From f378ebf14df0952eae870c9865bab8326aa8f137 Mon Sep 17 00:00:00 2001 From: Dan Albert Date: Wed, 17 Jun 2015 11:09:54 -0700 Subject: Delete old versions of GCC. Change-Id: I710f125d905290e1024cbd67f48299861790c66c --- gcc-4.7/libobjc/ChangeLog | 3258 ------ gcc-4.7/libobjc/ChangeLog.x32 | 3 - gcc-4.7/libobjc/Makefile.in | 354 - gcc-4.7/libobjc/NXConstStr.m | 41 - gcc-4.7/libobjc/Object.m | 42 - gcc-4.7/libobjc/Protocol.m | 34 - gcc-4.7/libobjc/README | 104 - gcc-4.7/libobjc/THREADS | 339 - gcc-4.7/libobjc/accessors.m | 289 - gcc-4.7/libobjc/acinclude.m4 | 26 - gcc-4.7/libobjc/aclocal.m4 | 204 - gcc-4.7/libobjc/class.c | 1006 -- gcc-4.7/libobjc/config.h.in | 71 - gcc-4.7/libobjc/configure | 13753 -------------------------- gcc-4.7/libobjc/configure.ac | 288 - gcc-4.7/libobjc/encoding.c | 1249 --- gcc-4.7/libobjc/error.c | 43 - gcc-4.7/libobjc/exception.c | 521 - gcc-4.7/libobjc/gc.c | 460 - gcc-4.7/libobjc/hash.c | 295 - gcc-4.7/libobjc/init.c | 1044 -- gcc-4.7/libobjc/ivars.c | 376 - gcc-4.7/libobjc/libobjc.def | 101 - gcc-4.7/libobjc/linking.m | 36 - gcc-4.7/libobjc/memory.c | 135 - gcc-4.7/libobjc/methods.c | 177 - gcc-4.7/libobjc/nil_method.c | 56 - gcc-4.7/libobjc/objc-foreach.c | 51 - gcc-4.7/libobjc/objc-private/README | 4 - gcc-4.7/libobjc/objc-private/accessors.h | 32 - gcc-4.7/libobjc/objc-private/common.h | 44 - gcc-4.7/libobjc/objc-private/error.h | 38 - gcc-4.7/libobjc/objc-private/hash.h | 201 - gcc-4.7/libobjc/objc-private/module-abi-8.h | 308 - gcc-4.7/libobjc/objc-private/objc-list.h | 94 - gcc-4.7/libobjc/objc-private/objc-sync.h | 33 - gcc-4.7/libobjc/objc-private/protocols.h | 38 - gcc-4.7/libobjc/objc-private/runtime.h | 76 - gcc-4.7/libobjc/objc-private/sarray.h | 243 - gcc-4.7/libobjc/objc-private/selector.h | 75 - gcc-4.7/libobjc/objc-sync.c | 459 - gcc-4.7/libobjc/objc/NXConstStr.h | 51 - gcc-4.7/libobjc/objc/Object.h | 62 - gcc-4.7/libobjc/objc/Protocol.h | 54 - gcc-4.7/libobjc/objc/README | 2 - gcc-4.7/libobjc/objc/message.h | 120 - gcc-4.7/libobjc/objc/objc-decls.h | 46 - gcc-4.7/libobjc/objc/objc-exception.h | 109 - gcc-4.7/libobjc/objc/objc-sync.h | 69 - gcc-4.7/libobjc/objc/objc.h | 152 - gcc-4.7/libobjc/objc/runtime.h | 1143 --- gcc-4.7/libobjc/objc/thr.h | 117 - gcc-4.7/libobjc/objects.c | 118 - gcc-4.7/libobjc/protocols.c | 557 -- gcc-4.7/libobjc/sarray.c | 524 - gcc-4.7/libobjc/selector.c | 641 -- gcc-4.7/libobjc/sendmsg.c | 1171 --- gcc-4.7/libobjc/thr.c | 550 - 58 files changed, 31487 deletions(-) delete mode 100644 gcc-4.7/libobjc/ChangeLog delete mode 100644 gcc-4.7/libobjc/ChangeLog.x32 delete mode 100644 gcc-4.7/libobjc/Makefile.in delete mode 100644 gcc-4.7/libobjc/NXConstStr.m delete mode 100644 gcc-4.7/libobjc/Object.m delete mode 100644 gcc-4.7/libobjc/Protocol.m delete mode 100644 gcc-4.7/libobjc/README delete mode 100644 gcc-4.7/libobjc/THREADS delete mode 100644 gcc-4.7/libobjc/accessors.m delete mode 100644 gcc-4.7/libobjc/acinclude.m4 delete mode 100644 gcc-4.7/libobjc/aclocal.m4 delete mode 100644 gcc-4.7/libobjc/class.c delete mode 100644 gcc-4.7/libobjc/config.h.in delete mode 100755 gcc-4.7/libobjc/configure delete mode 100644 gcc-4.7/libobjc/configure.ac delete mode 100644 gcc-4.7/libobjc/encoding.c delete mode 100644 gcc-4.7/libobjc/error.c delete mode 100644 gcc-4.7/libobjc/exception.c delete mode 100644 gcc-4.7/libobjc/gc.c delete mode 100644 gcc-4.7/libobjc/hash.c delete mode 100644 gcc-4.7/libobjc/init.c delete mode 100644 gcc-4.7/libobjc/ivars.c delete mode 100644 gcc-4.7/libobjc/libobjc.def delete mode 100644 gcc-4.7/libobjc/linking.m delete mode 100644 gcc-4.7/libobjc/memory.c delete mode 100644 gcc-4.7/libobjc/methods.c delete mode 100644 gcc-4.7/libobjc/nil_method.c delete mode 100644 gcc-4.7/libobjc/objc-foreach.c delete mode 100644 gcc-4.7/libobjc/objc-private/README delete mode 100644 gcc-4.7/libobjc/objc-private/accessors.h delete mode 100644 gcc-4.7/libobjc/objc-private/common.h delete mode 100644 gcc-4.7/libobjc/objc-private/error.h delete mode 100644 gcc-4.7/libobjc/objc-private/hash.h delete mode 100644 gcc-4.7/libobjc/objc-private/module-abi-8.h delete mode 100644 gcc-4.7/libobjc/objc-private/objc-list.h delete mode 100644 gcc-4.7/libobjc/objc-private/objc-sync.h delete mode 100644 gcc-4.7/libobjc/objc-private/protocols.h delete mode 100644 gcc-4.7/libobjc/objc-private/runtime.h delete mode 100644 gcc-4.7/libobjc/objc-private/sarray.h delete mode 100644 gcc-4.7/libobjc/objc-private/selector.h delete mode 100644 gcc-4.7/libobjc/objc-sync.c delete mode 100644 gcc-4.7/libobjc/objc/NXConstStr.h delete mode 100644 gcc-4.7/libobjc/objc/Object.h delete mode 100644 gcc-4.7/libobjc/objc/Protocol.h delete mode 100644 gcc-4.7/libobjc/objc/README delete mode 100644 gcc-4.7/libobjc/objc/message.h delete mode 100644 gcc-4.7/libobjc/objc/objc-decls.h delete mode 100644 gcc-4.7/libobjc/objc/objc-exception.h delete mode 100644 gcc-4.7/libobjc/objc/objc-sync.h delete mode 100644 gcc-4.7/libobjc/objc/objc.h delete mode 100644 gcc-4.7/libobjc/objc/runtime.h delete mode 100644 gcc-4.7/libobjc/objc/thr.h delete mode 100644 gcc-4.7/libobjc/objects.c delete mode 100644 gcc-4.7/libobjc/protocols.c delete mode 100644 gcc-4.7/libobjc/sarray.c delete mode 100644 gcc-4.7/libobjc/selector.c delete mode 100644 gcc-4.7/libobjc/sendmsg.c delete mode 100644 gcc-4.7/libobjc/thr.c (limited to 'gcc-4.7/libobjc') diff --git a/gcc-4.7/libobjc/ChangeLog b/gcc-4.7/libobjc/ChangeLog deleted file mode 100644 index d2c4912a6..000000000 --- a/gcc-4.7/libobjc/ChangeLog +++ /dev/null @@ -1,3258 +0,0 @@ -2012-09-20 Release Manager - - * GCC 4.7.2 released. - -2012-06-14 Release Manager - - * GCC 4.7.1 released. - -2012-03-22 Release Manager - - * GCC 4.7.0 released. - -2011-11-21 Andreas Tobler - - * configure: Regenerate. - -2011-11-02 Rainer Orth - - * Makefile.in (INCLUDES): Add -I$(MULTIBUILDTOP)../libgcc. - * configure.ac (target_thread_file, HAVE_GTHR_DEFAULT): Remove. - * configure: Regenerate. - * config.h.in: Regenerate. - -2011-10-17 Paul Brook - Matthias Klose - - * exception.c (parse_lsda_header): hardcode ttype_encoding for older - ARM EABI toolchains. - (get_ttype_entry) Remove __ARM_EABI_UNWINDER__ variant. - -2011-10-09 Nicola Pero - - PR libobjc/49883 - * init.c (__objc_exec_class): Work around a bug in clang's code - generation. Clang sets the class->info field to values different - from 0x1 or 0x2 (the only allowed values in the traditional GNU - Objective-C runtime ABI) to store some additional information, but - this breaks backwards compatibility. Wipe out all the bits in the - fields other than the first two upon loading a class. - -2011-10-09 Nicola Pero - - * class.c (objc_lookup_class): Added back for compatibility with - clang which seems to emit calls to it. - -2011-10-08 Richard Frith-Macdonald - Nicola Pero - - PR libobjc/50428 - * sendmsg.c (__objc_send_initialize): If a class does not have an - +initialize method, search for an +initialize method in the - superclass and in the ancestor classes and execute the first one - that is found. This makes the GNU runtime behave in the same way - as the Apple/NeXT runtime with respect to +initialize methods and - subclassing. - -2011-08-06 Nicola Pero - - PR libobjc/50002 - * class.c (__objc_update_classes_with_methods): Iterate over meta - classes as well as normal classes when refreshing the method - implementations. This fixes replacing class methods. - -2011-08-06 Nicola Pero - - * class.c (class_getSuperclass): Fixed to work with meta classes - still in construction too. - -2011-08-06 Nicola Pero - - * class.c (class_getSuperclass): Fixed typo in comment. - -2011-08-06 Nicola Pero - - PR libobjc/49882 - * class.c (class_getSuperclass): Return the superclass if the - class is in construction. - * objc/runtime.h (class_getSuperclass): Updated documentation. - -2011-08-05 Rainer Orth - - * Makefile.in (INCLUDES): Search - $(srcdir)/$(MULTISRCTOP)../libgcc. - -2011-06-08 Nicola Pero - - * objc/objc.h (__GNU_LIBOBJC__): Bumped to 20110608. - -2011-06-08 Nicola Pero - - * configure.ac (VERSION): Bumped to 4:0:0. - * configure (VERSION): Likewise. - -2011-06-08 Nicola Pero - - * objc/README: Updated. - * objc-private/selector.h: Updated comments. - -2011-06-07 Nicola Pero - - * sendmsg.c (class_get_instance_method): Removed. - (class_get_class_method): Removed. - (objc_get_uninstalled_dtable): Removed. - -2011-06-07 Nicola Pero - - * objc-private/module-abi-8.h (class_get_instance_size): Removed. - * objects.c (class_create_instance): Removed. - * error.c (__USE_FIXED_PROTOTYPES__): Removed. - * gc.c (__objc_generate_gc_type_description): Use - class_getInstanceSize() instead of class_get_instance_size(). - * selector.c (sel_types_match): Made static. - (sel_get_typed_uid): Removed. - (sel_get_any_typed_uid): Removed. - (sel_get_name): Removed. - (sel_get_type): Removed. - (sel_register_name): Removed. - (sel_register_typed_name): Removed. - (sel_get_uid): Removed. - -2011-06-07 Nicola Pero - - * encoding.c (method_get_number_of_arguments): Removed. - (method_get_sizeof_arguments): Removed. - -2011-06-07 Nicola Pero - - * class.c (objc_next_class): Removed. - (class_pose_as): Removed. - (CLASSOF): Removed. - (class_table_replace): Removed. - (objc_lookup_class): Removed. - -2011-06-07 Nicola Pero - - Removed the Traditional Objective-C runtime public API. - * Makefile.in (OBJC_DEPRECATED_H): Variable removed. - (install-headers): Do not create the objc/deprecated directory and - do not install the deprecated headers. - (OBJC_H): Removed encoding.h and objc-api.h. - * Object.m: Removed all methods with the exception of -class and - -isEqual:. Updated includes. ([-class]): Use Modern API. - * objc/Object.h: Do not include deprecated/Object.h. - * objc/deprecated/Object.h: Removed. - * linking.m (__objc_linking): Call [Object class] instead of - [Object name]. - * Protocol.m: Removed all methods with the exception of -isEqual:. - Updated includes. - * objc/Protocol.h: Do not include deprecated/Protocol.h. - * objc/deprecated/Protocol.h: Removed. - * objc/deprecated/struct_objc_symtab.h: Removed. - * objc/deprecated/struct_objc_module.h: Removed. - * objc/deprecated/struct_objc_ivar.h: Removed. - * objc/deprecated/struct_objc_ivar_list.h: Removed. - * objc/deprecated/struct_objc_method.h: Removed. - * objc/deprecated/struct_objc_method_list.h: Removed. - * objc/deprecated/struct_objc_protocol_list.h: Removed. - * objc/deprecated/struct_objc_category.h: Removed. - * objc/deprecated/MetaClass.h: Removed. - * objc/deprecated/objc_msg_sendv.h: Removed. - * objc/deprecated/README: Removed. - * objc/deprecated/struct_objc_class.h: Removed. - * objc/deprecated/struct_objc_protocol.h: Removed. - * objc/deprecated/struct_objc_selector.h: Removed. - * objc/encoding.h: Removed. - * objc/message.h (struct objc_super): Removed the definition for - the Traditional Objective-C runtime API. - * objc/objc.h: Do not include objc/objc-decls.h. - deprecated/struct_objc_selector.h, deprecated/MetaClass.h, - deprecated/struct_objc_class.h, deprecated/struct_objc_protocol.h - and deprecated/objc_msg_sendv.h. Uncommented new definition of - Protocol *. - * objc/objc-api.h: Removed. - * objc/runtime.h: Updated comments. Removed check to detect - concurrent usage of Traditional and Modern APIs. - * objc-private/module-abi-8.h: Always define struct objc_class and - struct objc_protocol. (struct objc_protocol_list): Changed type - of 'list' argument from 'Protocol *' to 'struct objc_protocol *'. - (class_get_instance_size): Added. - * objc-private/protocols.h (__objc_protocols_add_protocol): Take a - 'struct objc_protocol *' as argument, not a 'Protocol *'. - * objc-private/runtime.h: Updated comments. - * objc-private/selector.h (struct objc_selector, sel_eq): Added. - * class.c: Include objc-private/selector.h. - (objc_get_meta_class): Return a Class instead of a MetaClass. - * encoding.c (method_get_next_argument): Removed. - (method_get_first_argument): Removed. - (method_get_nth_argument): Removed. - * gc.c: Include objc/runtime.h instead of objc/encoding.h. - Include objc-private/module-abi-8.h and ctype.h. - * protocols.c (__objc_protocols_add_protocol): Take a 'struct - objc_protocl *' as argument, not a 'Protocol *'. - (class_addProtocol): Added casts to 'struct objc_protocol *' and - 'Protocol *'. - (class_copyProtocolList): Likewise. - (protocol_conformsToProtocol): Likewise. - (protocol_copyProtocolList): Likewise. - * sarray.c: Include objc-private/module-abi-8.h. - * sendmsg.c (method_get_next_argument): Removed. - (method_get_first_argument): Removed. - (method_get_nth_argument): Removed. - (objc_msg_sendv): Removed. - (arglist_t, retval_t): New. (class_get_class_method): Take a - 'Class', not 'MetaClass', argument. - * thr.c: Include module-abi-8.h. - -2011-06-03 Nicola Pero - - * Makefile.in (OBJC_DEPRECATED_H): Removed struct_objc_static_instances.h - and objc_get_uninstalled_dtable.h. - * objc/deprecated/struct_objc_static_instances.h: Removed. - * objc/deprecated/objc_get_uninstalled_dtable.h: Removed. - * objc/objc-api.h: Do not include deprecated/objc_static_instances.h - and deprecated/objc_get_uninstalled_dtable.h. - -2011-06-03 Nicola Pero - - * Makefile.in (OBJC_DEPRECATED_H): Removed objc_object_alloc.h. - * objc/deprecated/objc_object_alloc.h: Removed. - * objc/objc-api.h: Do not include deprecated/objc_object_alloc.h. - * objects.c (_objc_object_alloc, _objc_object_dispose, - _objc_object_copy): Removed. - * libobjc.def (__objc_object_alloc, __objc_object_copy, - __objc_object_dispose): Removed. - -2011-06-03 Nicola Pero - - * Makefile.in (OBJC_DEPRECATED_H): Removed METHOD_NULL.h. - * objc/objc-api.h: Do not include deprecated/METHOD_NULL.h. - * objc/deprecated/METHOD_NULL.h: Removed. - -2011-06-03 Nicola Pero - - * Makefile.in (OBJC_DEPRECATED_H): Removed objc_valloc.h, - objc_malloc.h and objc_unexpected_exception.h. - (exception.lo): Do not use -Wno-deprecated-declarations. - (exception_gc.lo): Likewise. - * objc/objc-api.h: Do not include deprecated/objc_valloc.h, - deprecated/objc_malloc.h and - deprecated/objc_unexpected_exception.h. - * objc/deprecated/objc_valloc.h: Removed. - * objc/deprecated/objc_malloc.h: Removed. - * objc/deprecated/objc_unexpected_exception.h: Removed. - * exception.c (_objc_unexpected_exception): Removed. - (objc_exception_throw): Do not check for - _objc_unexpected_exception. - * memory.c (objc_valloc, _objc_malloc, _objc_atomic_malloc, - _objc_valloc, _objc_realloc, _objc_calloc, _objc_free): Removed. - * libobjc.def (_objc_unexpected_exception, objc_valloc): Removed. - -2011-06-03 Nicola Pero - - * objc/objc.h: Do not include deprecated/STR.h. - * objc/deprecated/STR.h: Removed. - * Makefile.in (OBJC_DEPRECATED_H): removed STR.h. - -2011-06-03 Nicola Pero - - * Makefile.in (OBJC_H): Removed hash.h and sarray.h. - (OBJC_DEPRECATED_H): Likewise. - * libobjc.def (objc_hash_new, objc_hash_delete, objc_hash_add, - objc_hash_remove, objc_hash_next, objc_hash_value_for_key, - objc_hash_is_key_in_hash, hash_add, hash_delete, hash_new, - hash_next, hash_remove, hash_value_for_key, hash_is_key_in_hash, - sarray_at_put, sarray_at_put_safe, sarray_free, sarray_lazy_copy, - sarray_new, sarray_realloc, sarray_remove_garbage): Removed. - * objc/sarray.h: Removed. - * objc/hash.h: Removed. - * objc/deprecated/sarray.h: Removed. - * objc/deprecated/hash.h: Removed. - * objc/Object.h: Do not include objc/deprecated/hash.h - * Object.m: Include string.h. - * objc/objc-api.h: Do not include objc/deprecated/hash.h. - * objc-private/common.h (GNU_LIBOBJC_COMPILING_LIBOBJC_ITSELF): - Removed. - -2011-06-03 Nicola Pero - - * Object.m ([-forward::]): Removed. - * objc/deprecated/Object.h ([-forward::]): Removed. - * sendmsg.c (__objc_forward): Updated comments. - -2011-06-03 Nicola Pero - - * Makefile.in (OBJC_H): Removed objc-list.h. - (OBJC_DEPRECATED_H): Removed objc-list.h. - * objc/objc-list.h: File removed. - * objc/deprecated/objc-list.h: File removed. - -2011-06-03 Nicola Pero - - * Makefile.in (OBJC_H): Removed typedstream.h. - (OBJC_DEPRECATED_H): Removed typedstream.h. - (C_SOURCE_FILES): Removed archive.c. - (Object.lo): Rule removed. - (Object_gc.lo): Likewise. - (archive.lo): Likewise. - (archive_gc.lo): Likewise. - * objc/deprecated/Object.h ([+streamVersion:], [-read], [-write], - [-awake]): Removed. - Do not include deprecated/typedstream.h. - * Object.m: Removed the same methods. - * archive.c: File removed. - * objc/typedstream.h: File removed. - * objc/deprecated/typedstream.h: File removed. - * libobjc.def (__objc_read_nbyte_uint, __objc_read_nbyte_ulong, - __objc_write_class, __objc_write_object, __objc_write_selector, - objc_close_typed_stream, objc_end_of_typed_stream, - objc_flush_typed_stream, objc_get_stream_class_version, - objc_open_typed_stream, objc_open_typed_stream_for_file, - objc_read_array, objc_read_char, objc_read_int, objc_read_long, - objc_read_object, objc_read_selector, objc_read_short, - objc_read_string, objc_read_type, objc_read_types, - objc_read_unsigned_char, objc_read_unsigned_int, - objc_read_unsigned_long, objc_read_unsigned_short, - objc_write_array, objc_write_char, objc_write_int, - objc_write_long, objc_write_object, objc_write_object_reference, - objc_write_root_object, objc_write_selector, objc_write_short, - objc_write_string, objc_write_string_atomic, objc_write_type, - objc_write_types, objc_write_unsigned_char, - objc_write_unsigned_int, objc_write_unsigned_long, - objc_write_unsigned_short): Removed. - -2011-06-02 Nicola Pero - - * Makefile.in (OBJC_DEPRECATED_H): Removed objc_error.h. - * objc/deprecated/objc_error.h: Removed. - * objc/objc-api.h: Do not include deprecated/objc_error.h. - * libobjc.def (objc_error, objc_verror): Removed. - * error.c (_objc_error_handler, objc_error, objc_verror, - objc_set_error_handler): Removed. - * Object.m ([-error:], [-perform:], [-perform:with:], - [-perform:with:with], [-subclassResponsibility:], - [-notImplemented:], [-shouldNotImplement:], [-doesNotRecognize:]): - Removed. - * objc/deprecated/Object.h: Removed the same methods. - * sendmsg.c (__objc_forward): Do not try to invoke the "error:" - method after trying to invoke the "doesNotRecognize:" method. - -2011-05-26 Nicola Pero - - * sendmsg.c: Reindented part of the file. No non-trivial changes - in code. - -2011-05-26 Nicola Pero - - * sendmsg.c (__objc_install_dtable_for_class): Use objc_getClass, - not objc_lookup_class. - -2011-05-25 Richard Frith-Macdonald - David Ayers - - PR libobjc/38307 - * sendmsg.c: Include objc/hash.h. - (get_implementation): New function, mostly with code from get_imp - updated to support the new +initialize dispatch table logic. - (get_imp): Use get_implementation. - (__objc_responds_to): Updated to support the new +initialize - dispatch table logic. - (class_respondsToSelector): Likewise. - (objc_msg_lookup): Use get_implementation. - (__objc_init_install_dtable): Removed. - (__objc_install_methods_in_dtable): Updated arguments. - (__objc_install_dispatch_table_for_class): Renamed to - __objc_install_dtable_for_class and updated to support the new - +initialize dispatch table logic. - (__objc_update_dispatch_table_for_class): Updated to support the - new +initialize dispatch table logic. - (__objc_forward): Call get_implementation instead of get_imp. - (prepared_dtable_table): New. - (__objc_prepare_dtable_for_class): New. - (__objc_prepared_dtable_for_class): New. - (__objc_get_prepared_imp): New. - (__objc_install_prepared_dtable_for_class): New. - -2011-05-24 Nicola Pero - - PR libobjc/48177 - * selector.c (__sel_register_typed_name): Use sel_types_match() - instead of strcmp() to compare selector types (Suggestion by - Richard Frith-Macdonald ). - -2011-04-15 Rainer Orth - - PR libobjc/32037 - * Makefile.in (OBJC_GCFLAGS): Move ... - * configure.ac (enable_objc_gc): ... here. - Add $(libsuffix) to OBJC_BOEHM_GC. - * configure: Regenerate. - -2011-02-28 Nicola Pero - - * selector.c (sel_getTypedSelector): Return NULL if there are - multiple selectors with conflicting types. - * objc/runtime.h (sel_getTypedSelector): Updated documentation. - -2011-02-28 Richard Frith-Macdonald - - PR libobjc/47922 - * gc.c (class_ivar_set_gcinvisible): Use _C_GCINVISIBLE instead of - a hardcoded "!". - -2011-02-13 Ralf Wildenhues - - * configure: Regenerate. - -2010-12-26 Nicola Pero - - * init.c (create_tree_of_subclasses_inherited_from): Use - class_superclass_of_class instead of assuming a class is - unresolved when it could be resolved. Tidied up assignment and - check. - (__objc_tree_insert_class): Enhanced DEBUG_PRINTF. - (objc_tree_insert_class): Tidied up loop; return immediately upon - inserting a class. - (__objc_exec_class): Do not set __objc_class_tree_list. - -2010-12-24 Nicola Pero - - * selector.c (sel_getTypedSelector): Return NULL if given a NULL - argument. - (sel_registerTypedName): Same. - (sel_registerName): Same. - * objc/runtime.h: Updated documentation. - -2010-12-24 Nicola Pero - - * objc/runtime.h (class_addIvar): Updated documentation. The - alignment is actually the log_2 of the alignment in bytes. - * ivars.c (class_addIvar): Corresponding change to the - implementation. - -2010-12-24 Nicola Pero - - * objc/runtime.h (sel_getType): Renamed to sel_getTypeEncoding to - be consistent with method_getTypeEncoding and - ivar_getTypeEncoding. - (sel_copyTypedSelectorList, sel_getTypedSelector): New. - * selector.c (sel_getType): Renamed to sel_getTypeEncoding. - (sel_copyTypedSelectorList, sel_getTypedSelector): New. - (sel_get_type): Updated call to sel_getType. - -2010-12-24 Nicola Pero - - * objc/runtime.h (class_conformsToProtocol, - class_copyProtocolList): Updated documentation. - -2010-12-23 Nicola Pero - - * init.c (create_tree_of_subclasses_inherited_from): Updated - DEBUG_PRINTF messages. - (__objc_tree_insert_class): Same. - (__objc_send_load_using_method_list): Same. - (__objc_send_load): Same. - (__objc_exec_class): Same. In particular, do not print the module - name since it is no longer used. - * sendmsg.c (__objc_send_initialize): Added DEBUG_PRINTFs for - tracking +initialize calls. - (__objc_update_dispatch_table_for_class): Added DEBUG_PRINTFs for - tracking updates of dispatch tables. - (__objc_install_dispatch_table_for_class): Same. - -2010-12-23 Rainer Orth - - * Makefile.in (libobjc$(libsuffix).la): Link with -Wc,-shared-libgcc. - (libobjc_gc$(libsuffix).la): Likewise. - -2010-12-23 Nicola Pero - - * sendmsg.c (class_addMethod): Return NO if the method already - exists in the class. - -2010-12-22 Nicola Pero - - * init.c (duplicate_classes): New. - (__objc_exec_class): Initialize duplicate_classes. - (__objc_create_classes_tree): Ignore classes in the - duplicate_classes table. - (__objc_call_load_callback): Same. - (__objc_init_class): If a duplicate class is found, add it to - duplicate_classes instead of aborting. Return YES if the class is - not a duplicate, and NO if it is. - * objc-private/runtime.h (__objc_init_class): Updated prototype. - -2010-12-22 Nicola Pero - - * objc-private/objc-list.h: Reindented file. No code changes. - * objc-private/sarray.h: Same change. - -2010-12-22 Nicola Pero - - * objc-private/accessors.h: Removed 'extern "C"' guards. This - file is never compiled with C++. - * objc-private/hash.h: Same change. - * objc-private/objc-list.h: Same change. - * objc-private/objc-sync.h: Same change. - * objc-private/protocols.h: Same change. - * objc-private/runtime.h: Same change. - * objc-private/sarray.h: Same change. - * objc-private/selector.h: Same change. - -2010-12-21 Nicola Pero - - PR libobjc/18764 - * class.c (__objc_add_class_to_hash): Return YES if the class was - added, and NO if it already existed. - * init.c (__objc_init_class): If __objc_add_class_to_hash returns - NO, then abort the program with an error message. - * objc-private/runtime.h (__objc_add_class_to_hash): Updated - declaration. - -2010-12-21 Nicola Pero - - * init.c (_objc_load_callback): Initialize with 0. - (__objc_call_callback): Renamed to __objc_call_load_callback. - Check _objc_load_callback only once, and if it is not set, return - immediately. - (objc_send_load): Updated call to __objc_call_callback. - -2010-12-21 Nicola Pero - - PR libobjc/16110 - * init.c (__objc_send_message_in_list): Renamed to - __objc_send_load_using_method_list. Do not take an 'op' argument. - Register the 'load' selector if needed. - (__objc_send_load): Do not register the 'load' selector. Updated - call to __objc_send_message_in_list. - (__objc_create_classes_tree): Add the class of any claimed - category that was loaded in the module to the list of classes for - which we try to execute +load. - -2010-12-21 Nicola Pero - - * objc-private/common.h: When DEBUG is defined, include . - Updated comments. - * init.c (__objc_tree_insert_class): Use %p, not %x, when printing - a pointer using DEBUG_PRINTF. - -2010-12-21 Nicola Pero - - PR libobjc/45953 - * selector.c (__sel_register_typed_name): When registering a new - selector with the same name as an existing one, reuse the existing - name string. Also updated types, casts and comments in the whole - function. - -2010-12-21 Nicola Pero - - * objc-private/module-abi-8.h (struct objc_symtab): Declare 'refs' - to be 'struct objc_selector *' and not 'SEL'. - * init.c (__objc_exec_class): Call - __objc_register_selectors_from_module instead of iterating over - each selector and calling __sel_register_typed_name for each. - * objc-private/selector.h: Declare - __objc_register_selectors_from_module instead of - __sel_register_typed_name. - * selector.c (__objc_register_selectors_from_module): New. - (__sel_register_typed_name): Made static. - -2010-12-21 Nicola Pero - - * linking.m: Do not include objc/NXConstStr.h. - -2010-12-21 Nicola Pero - - * objc-private/runtime.h (DEBUG_PRINTF): Moved from here ... - * objc-private/common.h (DEBUG_PRINTF): To here. - * hash.c: Do not include objc-private/runtime.h and objc/thr.h. - -2010-12-21 Nicola Pero - - * hash.c: Tidied up comments and indentation. No code changes. - -2010-12-19 Nicola Pero - - PR libobjc/47012 - * accessors.m (objc_getProperty): If not atomic, do not - retain/autorelease the returned value. - -2010-12-19 Nicola Pero - - * objc-private/runtime.h (__objc_selector_max_index, - __objc_init_selector_tables, __objc_register_selectors_from_class, - __objc_register_selectors_from_list, - __objc_register_selectors_from_description_list): Moved to ... - * objc-private/selector.h: ... here. - -2010-12-19 Nicola Pero - - * objc-private/runtime.h (__objc_class_links_resolved): Removed. - (__objc_print_dtable_stats): Removed. - (__sel_register_typed_name): Removed. - * sendmsg.c (__objc_print_dtable_stats): Use 'void' as argument. - -2010-12-19 Nicola Pero - - * init.c (__objc_exec_class): Call __objc_resolve_class_links (), - if appropriate, after loading the module. - -2010-12-19 Nicola Pero - - * sendmsg.c (method_setImplementation): Do not declare. - -2010-12-19 Nicola Pero - - * objc/message.h: Updated comments. - * objc/runtime.h: Updated comments. - -2010-12-19 Nicola Pero - - * class.c (objc_lookupClass): Renamed to objc_lookUpClass. - * protocols.c: Updated all calls to objc_lookupClass to call - objc_lookUpClass instead. - * sendmsg.c (objc_lookupClass): Do not declare. - (get_imp): Update call to objc_lookupClass to call - objc_lookUpClass instead. - * objc/runtime.h (objc_lookupClass): Renamed to objc_lookUpClass. - -2010-12-19 Nicola Pero - - * objc/runtime.h (class_ivar_set_gcinvisible): Declare. - * sendmsg.c (_CLS_IN_CONSTRUCTION, CLS_IS_IN_CONSTRUCTION): Do not - define. Updated comments. - -2010-12-19 Nicola Pero - - * objc/encoding.h: Updated comments. - * objc/runtime.h: Updated comments. - (objc_setGetUnknownClassHandler): Mark with objc_EXPORT. - (objc_sizeof_type): Same. - (objc_alignof_type): Same. - (objc_aligned_size): Same. - (objc_promoted_size): Same. - (objc_skip_type_qualifiers): Same. - (objc_skip_typespec): Same. - (objc_skip_offset): Same. - (objc_skip_argspec): Same. - (objc_get_type_qualifiers): Same. - (objc_layout_structure): Same. - (objc_layout_structure_next_member): Same. - (objc_layout_finish_structure): Same. - (objc_layout_structure_get_info): Same. - -2010-12-19 Nicola Pero - - * init.c: Updated comments. - * objc/objc-api.h: Updated comments. - * objc/runtime.h (_objc_load_callback): Declare. - -2010-12-19 Nicola Pero - - * objc/Object.h: Include deprecated/typedstream.h and - deprecated/hash.h instead of typedstream.h. Updated comments. - -2010-12-19 Nicola Pero - - * Makefile.in (OBJC_DEPRECATED_H): Added objc_msg_sendv.h. - * objc/deprecated/objc_msg_sendv.h: New. - * objc/message.h: Do not define retval_t, apply_t, arglist, - arglist_t, objc_msg_sendv, now in - objc/deprecated/objc_msg_sendv.h. - * objc/objc.h: Do not include message.h; include - objc/deprecated/objc_msg_sendv.h instead. Tidied up comments. - * sendmsg.c: Include objc/message.h. - * thr.c: Include objc/message.h. - -2010-12-19 Nicola Pero - - * objc/objc-exception.h: Include objc-decls.h. Mark all - functions with objc_EXPORT. - * objc/objc-sync.h: Same change. - -2010-12-19 Nicola Pero - - * Protocol.m: Moved all methods, with the exception of -isEqual:, - into the 'Deprecated' category. - * objc/Protocol.h: Removed all methods, moved to - objc/deprecated/Protocol.h. Include objc/deprecated/Protocol.h. - * objc/deprecated/Protocol.h: New. - * Makefile.in (OBJC_DEPRECATED_H): Added Protocol.h. - -2010-12-19 Nicola Pero - - * init.c: Include objc-private/selector.h. Do not declare - __sel_register_typed_name. - * objc-private/selector.h (__sel_register_typed_name): Declare. - * selector.c: Include objc-private/selector.h. - -2010-12-18 Nicola Pero - - * class.c: Tidied up comments and indentation. No code changes. - * error.c: Same. - * exception.c: Same. - * init.c: Same. - * ivars.c: Same. - * memory.c: Same. - * objc-foreach.c: Same. - * objc-sync.c: Same. - * objects.c: Same. - * protocols.c: Same. - * sarray.c: Same. - * thr.c: Same. - -2010-12-17 Nicola Pero - - * init.c: Include objc/runtime.h and objc-private/module-abi-8.h - instead of objc/objc-api.h. - (init_check_module_version): Take a 'struct objc_module *' - argument instead of 'Module_t'. Use 'struct objc_module *' - instead of 'Module_t'. - (__objc_created_classes_tree): Take a 'struct objc_module *' - argument instead of 'Module_t'; use 'struct objc_symtab *' instead - of 'Symtab_t'. - (__objc_call_callback): Take a 'struct objc_module *' argument - instead of 'Module_t'; use 'struct objc_symtab *' instead of - 'Symtab_t' and 'struct objc_category *' instead of 'Category_t'. - (_objc_load_callback): Take a 'struct objc_category *' argument - instead of 'Category *'. - (class_superclass_of_class): Use objc_getClass() instead of - objc_lookup_class(). - (create_tree_of_subclasses_inherited_from): Same change (also, use - an explicit 'if' instead of '?'). - (objc_init_statics): Same change. - (objc_send_load): Same change. - (__objc_init_protocol): same change. - (__objc_send_message_in_list): Take a 'struct objc_method_list *' - argument instead of 'MethodList_t'. Use 'struct objc_method *' - instead of 'Method_t'. - (__objc_send_load): Use 'struct objc_method_list *' instead of - 'MethodList_t'. Use sel_registerName() instead of - sel_register_name(). - (__objc_exec_class): Take a 'struct objc_module *' argument - instead of 'Module_t'. Use 'struct objc_symtab *' instead of - 'Symtab_t'. Use objc_getClass() instead of objc_lookup_class(). - Use 'struct objc_category *' instead of 'Category_t'. - -2010-12-16 Nicola Pero - - * sendmsg.c: Include objc/runtime.h instead of objc/objc-api.h. - Include objc-private/module-abi-8.h and objc-private/selector.h - instead of objc/encoding.h. - (objc_msg_lookup_super): Use super->super_class instead of - super->class. - (method_get_first_argument, method_get_next_argument): Declare - locally. - (class_get_instance_method): Declare before using. - (objc_msg_sendv): Use 'struct objc_method' instead of 'Method'. - (__objc_init_dispatch_tables, __objc_send_initialize): Use - sel_registerName() instead of sel_register_name(). - (__objc_forward): Use sel_getName() instead of sel_get_name(). - (objc_get_uninstalled_dtable): Use 'void' as argument. - * objc-private/selector.h: New. - -2010-12-15 Nicola Pero - - * objc/message.h (objc_super): When using the modern API, do not - define Super and Super_t, and always use 'super_class' for the - super class field. - (objc_msg_lookup_super): Updated prototype to use 'struct - objc_super *' instead of 'Super_t'. - * sendmsg.c (objc_msg_lookup_super): Updated prototype to use - 'struct objc_super *' instead of 'Super_t'. - -2010-12-15 Nicola Pero - - * objc/message.h: Update comments, reindented code and moved - deprecated types and functions at the end of the file. No code - changes. - -2010-12-15 Nicola Pero - - * ivars.c (class_addIvar): Use the 'size' argument instead of - trying to calculate it using objc_sizeof_type(). - * objc/runtime.h (class_addIvar): Updated comments. - -2010-12-15 Nicola Pero - - * sendmsg.c: Reindented some code and tidied up comments. No - actual code changes. - -2010-12-14 Nicola Pero - - * objc/Object.h: Moved all the methods, with the exception of - -class and -isEqual:, into ... - * objc/deprecated/Object.h: here. - * Object.m: Moved all the methods, with the exception of -class - and -isEqual: into the 'Deprecated' category. - -2010-12-14 Nicola Pero - - * objects.c (object_copy): Do not #undef as we are no longer - including objc/objc-api.h. - * selector.c: Include objc/runtime.h and - objc-private/module-abi-8.h. Do not include objc/objc-api.h and - objc/encoding.h. Updated - (__objc_register_selectors_from_class): Use struct - objc_method_list * instead of MethodList_t. - (__objc_register_selectors_from_list): Use Method instead of - Method_t. - (struct objc_method_description_list): Do not define here. - (__objc_register_instance_methods_to_class): Use struct - objc_method_list * instead of MethodList_t and Method instead of - Method_t. - -2010-12-14 Nicola Pero - - * selector.c: Reindented some code and tidied up comments. No - actual code changes. - -2010-12-13 Iain Sandoe - - * encoding.c (_darwin_rs6000_special_round_type_align): New. - (darwin_rs6000_special_round_type_align): Adjust to use new routine. - -2010-12-11 Nicola Pero - - * sendmsg.c (selector_resolveClassMethod): New. - (selector_resolveInstanceMethod): New. - (__objc_resolve_class_method): New. - (__objc_resolve_instance_method): New. - (get_imp): Call __objc_resolve_class_method or - __objc_resolve_instance_method at the appropriate time. - (objc_msg_lookup): Same. - (class_getClassMethod): Same. - (class_getInstanceMethod): Same. - (__objc_init_dispatch_tables): Initialize - selector_resolveClassMethod and selector_resolveInstanceMethod. - * objc/runtime.h: Updated documentation of class_getClassMethod, - class_getInstanceMethod and class_getMethodImplementation. - -2010-12-11 Nicola Pero - - * objc-private/module-abi-8.h (struct objc_symtab): Updated - description of sel_ref_cnt and refs. - * objc/deprecated/struct_objc_symtab.h (objc_symtab): Same change. - -2010-12-06 Dave Korn - - PR target/40125 - PR lto/46695 - * configure.ac (extra_ldflags_libobjc): Invoke ACX_LT_HOST_FLAGS. - * Makefile.in (lt_host_flags): Import AC_SUBST'd value. - * aclocal.m4: Regenerate. - * configure: Regenerate. - -2010-12-03 Matthias Klose - - * configure.ac (VERSION): Bump the version to 3:0:0. - * configure: Regenerate. - -2010-11-23 Richard Frith-Macdonald - - * sendmsg.c (get_imp): Fixed call to __objc_get_forward_imp to - pass nil as the receiver since we don't know the receiver at this - point. - -2010-11-18 Nicola Pero - - * ivars.c: Include stdlib.h. - * protocols.c: Same change. - -2010-10-24 Nicola Pero - - * Makefile.in (OBJC_SOURCE_FILES): Added accessors.m. - * accessors.m: New. - * init.c: Include objc-private/accessors.h. - (__objc_exec_class): Call __objc_accessors_init. - * objc-private/accessors.h: New. - -2010-10-17 Nicola Pero - - * objc/message.h: Moved initial includes outside of extern "C". - * objc/runtime.h: Add extern "C" for Objective-C++. - -2010-10-17 Nicola Pero - - * init.c (objc_send_load): Do not wait for NXConstantString to be - registered before executing +load. There is no point if - -fconstant-string-class=xxx is used when compiling all modules, - as is the case for almost all users. - * linking.m (__objc_linking): Do not try to forcefully link in - NXConstantString. - -2010-10-16 Nicola Pero - - * objc/runtime.h: Updated comments. - (class_addMethod): New. - (class_addIvar): New. - (class_replaceMethod): New. - (objc_allocateClassPair): New. - (objc_registerClassPair): New. - (objc_disposeClassPair): New. - * class.c (objc_allocateClassPair): New. - (objc_registerClassPair): New. - (objc_disposeClassPair): New. - (class_getSuperclass): Return Nil if a class is in construction. - * init.c (__objc_exec_class): Call __objc_init_class. - (__objc_init_class): New. - * ivars.c (class_copyIvarList): Return NULL if class is in - construction. Do not lock the runtime mutex. - (class_getInstanceVariable): Return NULL if class is in - construction. Do not lock the runtime mutex. - (class_addIvar): New. - * sendmsg.c (class_addMethod): New. - (class_replaceMethod): New. - * objc-private/module-abi-8.h (__CLS_SETNOTINFO): New. - (_CLS_IN_CONSTRUCTION): New. - (CLS_IS_IN_CONSTRUCTION): New. - (CLS_SET_IN_CONSTRUCTION): New. - (CLS_SET_NOT_IN_CONSTRUCTION): New. - * objc-private/runtime.h (__objc_init_class): New. - -2010-10-16 Nicola Pero - - * class.c (class_getSuperclass): Call __objc_resolve_class_links - if the class is not resolved yet. - * ivars.c (class_getInstanceVariable): Use class_getSuperclass. - -2010-10-16 Nicola Pero - - * objc/runtime.h (class_getIvarLayout): New. - (class_getWeakIvarLayout): New. - (class_setIvarLayout): New. - (class_setWeakIvarLayout): New. - * ivars.c (class_getIvarLayout): New. - (class_getWeakIvarLayout): New. - (class_setIvarLayout): New. - (class_setWeakIvarLayout): New. - -2010-10-15 Nicola Pero - - * objc/runtime.h (class_copyPropertyList): New. - (class_getProperty): New. - (property_getAttributes): New. - (property_getName): New. - * ivars.c (class_copyPropertyList): New. - (class_getProperty): New. - (property_getAttributes): New. - (property_getName): New. - -2010-10-15 Nicola Pero - - * objc-private/runtime.h (__objc_update_classes_with_methods): New. - * class.c (__objc_update_classes_with_methods): New. - (objc_getClassList): Do not lock the class lock. - * methods.c (method_exchangeImplementations): New. - (method_setImplementation): New. - * objc/runtime.h (method_setImplementation): New. - (method_exchangeImplementations): New. - -2010-10-15 Nicola Pero - - * Protocol.m: Include objc/runtime.h and - objc-private/module-abi-8.h instead of objc/objc-api.h. Do not - repeat Protocol's instance variables. - (struct objc_method_description_list): Do not define here. - ([-conformsTo:]): Reimplemented on top of protocol_conformsTo(). - ([descriptionForInstanceMethod:]): Use sel_isEqual() to compare - selectors directly instead of getting names and then using strcmp. - ([descriptionForClassMethod:]): Same change. - ([-isEqual:]): Reimplemented on top of protocol_isEqual(). - * protocols.c (protocol_getMethodDescription): Use sel_isEqual() - to compare selectors directly instead of getting names and then - using strcmp. - * objc/Protocol.h: Updated comments. - -2010-10-15 Nicola Pero - - * init.c (__objc_init_protocol): New function which fixes up a - protocol's class pointer, registers it with the runtime, register - all protocol selectors and registers associated protocols too. - (objc_init_statics): Detect if we are initializing protocols, and - if so, use __objc_init_protocol instead of only fixing up the - class pointer. - (__objc_init_protocls): Use __objc_init_protocol. - * objc-private/module-abi-8.h: Updated comments. - * objc-private/runtime.h - (__objc_register_selectors_from_description_list): New. - * selector.c (__objc_register_selectors_from_description_list): - New. (struct objc_method_description_list): Declare. - * Protocol.m ([-descriptionForInstanceMethod:]): Use sel_get_name - when accessing the name of a method, which is now correctly a SEL. - ([-descriptionForClassMethod:]): Same change. - * protocols.c (protocol_getMethodDescription): Same change. - * objc/runtime.h: Updated comments. - (sel_registerTypedName): Fixed typo in function name. - -2010-10-13 Nicola Pero - - PR libobjc/23214 - * init.c (objc_init_statics): Do not skip the initialization of a - statics list if the first object has already been initialized; in - the case of Protocols, while the first one may have been - initialized, some others may not have been initialized yet. - -2010-10-13 Nicola Pero - - * Makefile.in (OBJC_DEPRECATED_H): Added - objc_get_uninstalled_dtable, objc_object_alloc.h and - struct_objc_static_instances.h. - -2010-10-13 Nicola Pero - - * encoding.c (method_copyReturnType): New. - (method_copyArgumentType): New. - (method_getReturnType): New. - (method_getArgumentType): New. - * methods.c (method_getDescription): New. - * objc/runtime.h (method_copyReturnType): New. - (method_copyArgumentType): New. - (method_getReturnType): New. - (method_getArgumentType): New. - (method_getDescription): New. - -2010-10-12 Nicola Pero - - * encoding.c: Tidied up comments. - (objc_skip_variable_name): New static inline function. - (objc_sizeof_type): Use objc_skip_variable_name instead of copying - the same code over and over. - (objc_alignof_type): Same. - (objc_aligned_size): Same. - (objc_promoted_size): Same. - (objc_skip_typespec): Same. - (objc_layout_structure_next_member): Same. - (objc_skip_offset): Skip a '-' before the digits (if any). Fixed - historical bug where objc_skip_offset would skip one byte even if - there is no offset: check that the first offset digit is actually - a digit before skipping it. - (objc_skip_type_qualifiers): Mark as inline. - (objc_skip_typespec): Mark as inline. - -2010-10-12 Nicola Pero - - * Makefile.in (C_SOURCE_FILES): Added methods.c. - * encoding.c (method_getNumberOfArguments): New. - (method_get_number_of_arguments): Call - method_getNumberOfArguments. - * ivars.c (ivar_getName): Check for NULL variable argument. - (ivar_getOffset): Check for NULL variable argument. - (ivar_getTypeEncoding): Check for NULL variable argument. - (class_copyIvarList): New. - * methods.c: New. - * protocols.c (class_copyProtocolList): Check for Nil class_ - argument. - * sendmsg.c: Use 'struct objc_method *' instead of Method_t, and - 'struct objc_method_list *' instead of MethodList_t. - (class_getMethodImplementation): New. - (class_respondsToSelector): New. - (class_getInstanceMethod): New. - (class_getClassMethod): New. - * objc/runtime.h: Updated comments. - (class_copyIvarList): New. - (class_getInstanceMethod): New. - (class_getClassMethod): New. - (class_getMethodImplementation): New. - (class_respondsToSelector): New. - (method_getName): New. - (method_getImplementation): New. - (method_getTypeEncoding): New. - (class_copyMethodList): New. - (method_getNumberOfArguments): New. - -2010-10-12 Nicola Pero - - * class.c: Include objc/runtime.h and objc-private/module-abi-8.h - instead of objc/objc-api.h. - (objc_get_unknown_class_handler): Do not define. - (class_isMetaClass): New. - (class_getSuperclass): New. - (class_getVersion): New. - (class_setVersion): New. - (class_getInstanceSize): New. - * exceptions.c: Include objc/runtime.h instead of objc/objc-api.h. - (is_kind_of_exception_matcher): Use objc_getSuperclass instead of - objc_get_super_class. - (get_ttype_entry): Use objc_getRequiredClass instead of - objc_get_class. - * ivars.c (class_getClassVariable): New. - * objects.c: Include objc/runtime.h, objc/thr.h and - objc-private/module-abi-8.h instead of objc/objc-api.h - * objc/runtime.h (class_getClassVariable): New. - (class_isMetaClass): New. - (class_getSuperclass): New. - (class_getVersion): New. - (class_setVersion): New. - (class_getInstanceSize): New. - * objc-private/module-abi-8.h (HOST_BITS_PER_LONG): New (from - objc/objc-api.h) - (__CLS_INFO): Same. - (__CLS_ISINFO): Same. - (__CLS_SETINFO): Same. - (CLS_ISMETA): Same. - (CLS_ISCLASS): Same. - (CLS_ISRESOLV): Same. - (CLS_SETRESOLV): Same. - (CLS_ISINITIALIZED): Same. - (CLS_SETINITIALIZED): Same. - (CLS_GETNUMBER): Same. - (CLS_SETNUMBER): Same. - -2010-10-12 Nicola Pero - - * archive.c: Do not include objc/objc.h. - * class.c: Do not include objc/objc.h. - * encoding.c: Include objc/runtime.h, ctype.h and - objc-private/module-abi-8.h instead of objc/objc-api.h and - objc/encoding.h. - * error.c: Do not include objc/objc.h. - * gc.c: Include tconfig.h and objc/encoding.h only if - OBJC_WITH_GC. - * hash.c: Include objc/runtime.h and objc/thr.h instead of - objc/objc-api.h. Do not include objc/objc.h. - * init.c: Do not include objc/objc.h. - * ivars.c: Include objc/runtime.h, objc-private/module-abi-8.h and - objc/thr.h instead of objc/objc-api.h. Do not include - objc/objc.h. - * linking.m: Tidied comment. - * memory.c: Include objc/runtime.h instead of objc/objc-api.h. - Do not include objc/objc.h. - * objects.c: Do not include objc/objc.h. - * objc-sync.c: Include objc/runtime.h instead of objc/objc-api.h. - * protocols.c: Do not include objc/objc.h. - * sarray.c: Include objc/runtime.h instead of objc/objc-api.h. Do - not include objc/objc.h. - * selector.c: Do not include objc/objc.h. - * sendmsg.c: Do not include objc/objc.h. - * thr.c: Include objc/runtime.h instead of objc/objc-api.h. - Do not include objc/objc.h. - * objc/objc-decls.h: Reindented code. - * objc/runtime.h Include objc-decls.h. Updated comments. - (objc_malloc): New. - (objc_atomic_malloc): New. - (objc_calloc): New. - (objc_realloc): New. - (objc_free): New. - * objc-private/runtime.h: Updated comments. - -2010-10-12 Nicola Pero - - * Makefile.in (C_SOURCE_FILES): Added protocols.c. - * objc-private/protocols.h: New. - * protocols.c: New. - * init.c: Include objc-private/protocols.h. - (__objc_exec_class): Call __objc_protocols_init on startup. - (__objc_init_protocols): Call __objc_protocols_add_protocol. - * objc-private/runtime.h: Use (struct objc_method_list *) instead - of MethodList_t, and (struct objc_method *) instead of Method_t. - * objc/deprecated/struct_objc_class.h: Define - __objc_STRUCT_OBJC_CLASS_defined. - * objc-private/module-abi-8.h (struct - objc_method_description_list): New. - (struct objc_class): Only define if - __objc_STRUCT_OBJC_CLASS_defined is undefined. - * objc/runtime.h (class_getName): New. - (objc_getProtocol): New. - (objc_copyProtocolList): New. - (class_addProtocol): New. - (class_conformsToProtocol): New. - (class_copyProtocolList): New. - (protocol_conformsToProtocol): New. - (protocol_isEqual): New. - (protocol_getName): New. - (protocol_getMethodDescription): New. - (protocol_copyMethodDescriptionList): New. - (protocol_getProperty): New. - (protocol_copyPropertyList): New. - (protocol_copyProtocolList): New. - * class.c (class_getName): New. - * selector.c (sel_isEqual): New. - -2010-10-12 Nicola Pero - - * selector.c (sel_getName): Return "" for a NULL - argument. - (sel_get_name): Return 0 for a NULL argument. - * objc/runtime.h (sel_getName): Updated documentation. - - * objc-private/hash.h (class_hash_table): Unused declaration - removed. - (module_hash_table): Same. - * objc/deprecated/hash.h: Same changes. - -2010-10-11 Nicola Pero - - * class.c (objc_getClassList): New. - (objc_getRequiredClass): New. - (objc_getMetaClass): New. - (objc_lookupClass): New. - (objc_getClass): New. - (__objc_get_unknown_class_handler): New. - (objc_setGetUnknownClassHandler): New. - (objc_get_class): Use __objc_get_unknown_class_handler. - (objc_lookup_class): Call objc_getClass. - * objc/objc-api.h: Updated comment and copyright notice. - * objc/runtime.h: Updated comments. - (objc_getClass): New. - (objc_lookupClass): New. - (objc_getMetaClass): New. - (objc_getRequiredClass): New. - (objc_getClassList): New. - (objc_setGetUnknownClassHandler): New. - (objc_get_unknown_class_handler): New. - * objc-private/runtime.h: Use __objc_private_runtime_INCLUDE_GNU - instead of __objc_runtime_INCLUDE_GNU as include guard. - * objc-private/error.h (_objc_abort): Mark as noreturn. - -2010-10-11 Nicola Pero - - * Makefile.in (C_SOURCE_FILES): Added ivars.c. - * ivars.c: New. - * objc/objc.h: Updated comments. - * objc/runtime.h (object_getClass): New. - (object_getClassName): New. - (object_setClass): New. - (class_getInstanceVariable): New. - (object_getIndexedIvars): New. - (object_getInstanceVariable): New. - (object_setInstanceVariable): New. - (object_getIvar): New. - (object_setIvar): New. - (ivar_getName): New. - (ivar_getOffset): New. - (ivar_getTypeEncoding): New. - * objc-private/module-abi-8.h (struct objc_class): Added. - * objects.c (object_getClassName): New. - (object_setClass): New. - -2010-10-11 Nicola Pero - - * objc/objc.h: Updated comments. - * objc/objc-api.h: (object_copy): Added one argument; use a - #define to maintain backwards-compatibility. Moved - _objc_object_alloc, _objc_object_copy, _objc_object_dispose and - objc_get_uninstalled_dtable into - objc/deprecated/objc_get_uninstalled_dtable.h and - objc/deprecated/objc_object_alloc.h. Include these files. - * objc/deprecated/objc_get_uninstalled_dtable.h: New. - * objc/deprecated/objc_object_alloc.h: New. - * objc/runtime.h (set_getName): New. - (sel_getType): New. - (sel_getUid): New. - (sel_registerName): New. - (sel_registerTypedName): New. - (sel_isEqual): New. - (class_createInstance): New. - (object_copy): New. - (object_dispose): New. - * objects.c: Do not include tconfig.h. Include gc_typed.h if - building the garbage collection version. - (__objc_object_alloc): Removed. - (__objc_object_copy): Removed. - (__objc_object_dispose): Removed. - (class_createInstance): New from code in class_create_instance. - Cast second argument of GC_malloc_explicitly_typed. Use - objc_calloc. Do not call _objc_object_alloc. - (class_create_instance): Call class_createInstance. - (object_copy): Added extraBytes argument. Do not call - _objc_object_copy. - (object_dispose): Do not call _objc_object_dispose. - * memory.c (objc_free): When using garbage collection, mark the - argument as unused. - * selector.c (sel_getName): New. - (sel_get_name): Call sel_getName. - (sel_getType): New. - (sel_get_type): Call sel_getType. - (sel_registerName): New. - (sel_register_name): Call sel_registerName. - (sel_registerTypedName): New. - (sel_register_typed_name): Call sel_registerTypedName. - (sel_getUid): New. - (sel_get_uid): Call sel_getUid. - -2010-10-10 Nicola Pero - - * objc/objc-api.h: Define Method, Method_t, Category and - Category_t. Prevent including this file at the same time as - objc/runtime.h. Updated comments. - * objc/deprecated/struct_objc_method.h: Do not define Method, - Method_t. - * objc/deprecated/struct_objc_category.h: Do not define Category, - Category_t. - * objc-private/module-abi-8.h: New file containing a copy of all - the structure definitions. Not used yet. - * objc/encoding.h (objc_aligned_size): Removed duplicate - declaration. Updated comments. - * objc/runtime.h: Added Ivar, objc_property_t, Property, Method, - Category, struct objc_method_description, _C_ID and similar, - _C_CONST and similar and _F_CONST and similar. Added - objc_sizeof_type, objc_alignof_type, objc_aligned_size, - objc_promoted_size, objc_skip_type_qualifier, objc_skip_typespec, - objc_skip_offset, objc_skip_argspec, objc_get_type_qualifiers, - struct objc_struct_layout, objc_layout_structure, - objc_layout_structure_next_member, objc_layout_finish_structure, - objc_layout_structure_get_info. Prevent including this file at - the same time as objc/objc-api.h. - -2010-10-10 Nicola Pero - - * Makefile.in (OBJC_DEPRECATED_H): Added struct_objc_category.h, - struct_objc_ivar.h, struct_objc_ivar_list.h, struct_objc_method.h, - struct_objc_method_list.h, struct_objc_module.h, - struct_objc_protocol_list.h, struct_objc_symtab.h. - * objc/deprecated/struct_objc_category.h: New. - * objc/deprecated/struct_objc_ivar.h: New. - * objc/deprecated/struct_objc_ivar_list.h: New. - * objc/deprecated/struct_objc_method.h: New. - * objc/deprecated/struct_objc_method_list.h: New. - * objc/deprecated/struct_objc_module.h: New. - * objc/deprecated/struct_objc_protocol_list.h: New. - * objc/deprecated/struct_objc_symtab.h: New. - * objc/deprecated/struct_objc_static_instances.h: New. - * objc/objc-api.h: Definitions of deprecated structures moved into - the above header fragment files in objc/deprecated/. Include the - files instead of definition the structures here. Updated - comments. - * objc/runtime.h: Updated comments. Do not include objc-api.h. - (objc_set_enumeration_mutation_handler): Renamed to - objc_setEnumerationMutationHandler. - * objc-foreach.c (objc_set_enumeration_mutation_handler): Renamed - to objc_setEnumerationMutationHandler. - * objc/objc-exception.h (objc_set_exception_matcher): Renamed to - objc_setExceptionMatcher. - (objc_set_uncaught_exception_handler): Renamed to - objc_setUncaughtExceptionHandler. - * exception.c: Same changes. - -2010-10-10 Nicola Pero - - * objc-sync.c: Include objc-private/common.h. - -2010-10-10 Nicola Pero - - * objc-foreach.c: Include objc-private/common.h. - * objc/deprecated/METHOD_NULL.h: New file. - * objc/objc-api.h: Include deprecated/METHOD_NULL.h instead of - defining METHOD_NULL here. - * Makefile.in (OBJC_DEPRECATED_H): Added METHOD_NULL.h. - * Object.m ([+instancesRespondTo:]): Use (Method_t)0 instead of - METHOD_NULL. - ([-respondsTo:]): Same change. - * objc/objc-api.h (method_get_imp): Converted it into a normal - function so that we can hide the internals of struct objc_method. - * sendmsg.c (method_get_imp): Implemented. - -2010-10-09 Nicola Pero - - * objc/objc-api.h (struct objc_super, Super, Super_t, - objc_msg_lookup_super, objc_msg_sendv, objc_msg_forward, - objc_msg_forward2): Declarations moved to objc/message.h. Include - message.h here. - * objc/message.h: Added such declarations; updated comments. - -2010-10-06 Nicola Pero - - Implemented fast enumeration for Objective-C. - * Makefile.in (C_SOURCE_FILES): Added objc-foreach.c. - (OBJC_H): Added runtime.h - * objc-foreach.c: New file. - * objc/runtime.h: New file. - -2010-09-30 Kai Tietz - - * objc/deprecated/struct_objc_class.h: Add padding - to avoid warning with -Wpadded. - -2010-09-26 Nicola Pero - - * encoding.c (objc_sizeof_type): Added support for vector type and - for double long types. - (objc_alignof_type): Same change. - (objc_skip_typespec): Same change. - * objc/encoding.h (_C_GCINVISIBLE): Use '|' for _C_GCINVISIBLE - instead of '!' since '!' is already used for _C_VECTOR. - * objc/objc-api.h (_C_LNG_DBL): Added. - -2010-09-26 Nicola Pero - - * libobjc_entry.c: File removed. - -2010-09-26 Kai Tietz - - * sendmsg.c (objc_msg_lookup): Remove inline. - (objc_get_uninstalled_dtable): Likewise. - * encoding.c (objc_skip_type_qualifiers): Likewise. - (objc_skip_offset): Likewise. - * archive.c (__objc_write_object): Likewise - (__objc_write_class): - (__objc_write_selector): - (objc_read_char): - (objc_read_unsigned_char): - (objc_read_short): - (objc_read_unsigned_short): - (objc_read_int): - (objc_read_long): - (__objc_read_nbyte_uint): - (objc_read_unsigned_int): - (objc_read_unsigned_long): - * objc/objc-decls.h (obc_EXPORT): Remove dllexport for DLL_EXPORT case. - (objc_EXPORT): Likewise. - * objc/message.h (objc-decls.h): Add include. - * objc/objc-api.h: Mark API by objc_EXPORT. - * libobjc.def (__objc_responds_to): Removed. - -2010-09-18 Nicola Pero - - * hash.c: Include objc-private/hash.h instead of objc/hash.h. - - * objc/sarray.h: Moved into objc/deprecated/sarray.h; - objc/sarray.h replaced with a placeholder including the file from - the deprecated/ directory. - * objc-private/sarray.h: New file (private copy of sarray.h). - * hash.c: Include instead of "assert.h" - * sarray.c: Include instead of "assert.h". Include - objc-private/sarray.h instead of objc/sarray.h. - * selector.c: Include objc-private/sarray.h instead of - objc/sarray.h. - * sendmsg.c: Include . Include objc-private/sarray.h - instead of objc/sarray.h. - * Makefile.in (OBJC_DEPRECATED_H): Added sarray.h. - -2010-09-17 Nicola Pero - - * objc-private/objc-list.h (list_remove_elem): Unused function - removed. (list_nth): Unused function removed. (list_find): - Unused function removed. (list_lenght): Unused function removed. - -2010-09-17 Nicola Pero - - * objc/hash.h: Moved into objc/deprecated/hash.h; objc/hash.h - replaced with a placeholder including the file from the - deprecated/ directory. - * objc/objc-api.h: Updated includes. - * objc/typedstream.h: Updated includes. - * objc-private/hash.h: New file (private copy of hash.h). - * objc/objc-list.h: Moved into objc/deprecated/objc-list.h; - objc/objc-list.h replaced with a placeholder including the file - from the deprecated/ directory. - * objc-private/objc-list.h: New file (private copy of objc-list.h). - * init.c: Include objc-private/hash.h and objc-private/objc-list.h - instead of objc/hash.h and objc/objc-list.h. - * selector.c: Same change. - * class.c: Added include , which used to be implicitly included - when hash.h was included. - * exception.c: Same change. - * objects.c: Same change. - * sarray.c: Same change. - * sendmsg.c: Same change. - * Makefile.in (OBJC_DEPRECATED_H): Added hash.h and objc-list.h. - -2010-09-14 Nicola Pero - - Implemented objc_sync_enter() and objc_sync_exit(), which are - required by @synchronized() to work. - * objc-sync.c: New file. - * objc/objc-sync.h: New file. - * objc-private/objc-sync.h: New file. - * init.c (__objc_exec_class): Call __objc_sync_init() during the - Objective-C runtime startup. - * Makefile.in: Added objc-sync.c and objc-sync.h. - * configure.ac: Added GCC_CHECK_TLS. - * acinclude.m4: Include ../config/enable.m4 and ../config/tls.m4. - * configure: Regenerated. - * config.h.in: Regenerated. - -2010-09-12 Nicola Pero - - * Makefile.in (%_gc.lo): New pattern rules to build the - garbage-collected version of the library. Removed rules for - specific files that are no longer needed. Standardized all rules. - (C_SOURCE_FILES, OBJC_SOURCE_FILES): New variables. - (OBJS, OBJS_GC): Compute these from C_SOURCE_FILES and - OBJC_SOURCE_FILES. - (INCLUDES): Removed the unused include -I$(srcdir)/objc. - -2010-09-12 Nicola Pero - - * memory.c (objc_calloc): Fixed call to GC_malloc when building - with Garbage Colletion. - -2010-09-12 Nicola Pero - - * memory.c: Do not include objc-private/runtime.h. - -2010-09-12 Nicola Pero - - * objc/deprecated/objc_malloc.h: New file. - * objc/deprecated/objc_valloc.h: New file. - * objc/objc-api.h: Include the files instead of defining - objc_valloc, _objc_malloc() and similar. - * Makefile.in (OBJC_DEPRECATED_H): Added objc_valloc.h and - objc_malloc.h. - * memory.c: Removed the extra layer of indirection of _objc_malloc - and similar. - (objc_calloc): Use GC_malloc in the garbage-collected - implementation as GC_malloc returns memory that is already freed. - (objc_valloc): Deprecated. - -2010-09-12 Nicola Pero - - * objc/deprecated/objc_error.h: New file. - * objc/objc-api.h: Include deprecated/objc_error.h instead of - defining objc_error and related. - * error.c: New file. Added _objc_abort function which replaces - objc_error. No change in functionality as they both print an - error and abort. - * misc.c: File removed. Code moved into memory.c and error.c. - * memory.c: New file. - * objc-private/error.h: New file. - * archive.c: Include objc-private/error.h and use _objc_abort - instead of objc_error everywhere. - * class.c: Same change. - * encoding.c: Same change. - * init.c: Same change, and simplified init_check_module_version. - * memory.c: Same change. - * sendmsg.c: Same change. - * thr.c: Same change. - * Makefile.in (OBJ_DEPRECATED_H): Added objc_error.h. - (OBJ_H): Reordered list. - (OBJS): Removed misc.lo, added memory.lo and error.lo. - (OBJS_GC): Removed misc_gc.lo, added memory_gc.lo and error_gc.lo. - (misc_gc.lo): Rule removed. - (error_gc.lo): Rule added. - (memory_gc.lo): Rule added. - -2010-09-12 Nicola Pero - - * objc/objc.h (__GNU_LIBOBJC__): New #define providing an easy way - to check the API version. Added some comments. - - * objc-private/common.h: New file. - * NXConstStr.m: Include objc-private/common.h. - * Object.m: Same change. - * Protocol.m: Same change. - * archive.c: Same change. - * class.c: Same change. - * encoding.c: Same change. - * exception.c: Same change. - * gc.c: Same change. - * hash.c: Same change. - * init.c: Same change. - * libobjc_entry.c: Same change. - * linking.m: Same change. - * misc.c: Same change (and added a comment). - * nil_method.c: Same change. - * objects.c: Same change. - * sarray.c: Same change. - * selector.c: Same change. - * sendmsg.c: Same change. - * thr.c: Same change. - -2010-09-11 Nicola Pero - - * objc/objc-api.h: Removed obsolete #ifdef for NeXTSTEP. - -2010-09-11 Nicola Pero - - * archive.c: Removed not needed includes. - * class.c: Same change. - * hash.c: Same change. - * misc.c: Same change. - * nil_method.c: Same change. - * objects.c: Same change. - * sarray.c: Same change. - * sendmsg.c: Same change. - * thr.c: Same change. - -2010-09-11 Nicola Pero - - * objc/runtime.h: Moved to objc-private/runtime.h. Do not include - all the objc/*.h files. - * objc-private/runtime.h: New file. - * archive.c: Include objc-private/runtime.h (and required objc/*.h - files) instead of objc/runtime.h. - * class.c: Same change. - * hash.c: Same change. - * init.c: Same change. - * misc.c: Same change. - * nil_method.c: Same change. - * objects.c: Same change. - * sarray.c: Same change. - * selector.c: Same change. - * sendmsg.c: Same change. - * thr.c: Same change. - -2010-09-11 Nicola Pero - - * objc/deprecated/struct_objc_selector.h: New file. Definition of - 'struct objc_selector' and 'sel_eq' moved here. - * objc/deprecated/struct_objc_protocol.h: New file. Definition of - 'struct objc_procotol' moved here. - * objc/deprecated/struct_objc_class.h: New file. Definition of - 'struct objc_class' moved here. - * objc/deprecated/MetaClass.h: New file. Definition of MetClass - moved here. - * objc/deprecated/STR.h: New file. Definition of STR moved here. - * objc/message.h: New file. Definitions for relval_t, apply_t, - arglist, arglist_t and objc_msg_lookup were moved here. - * objc/objc.h: Include the above files instead of defining the - corresponding structs, types and functions here. Added new opaque - definitions for SEL and Class. Use Class and not 'struct - objc_class *' in the definition of 'struct objc_object'. - Commented all types defined in the file. Removed special - definition of BOOL as 'int' on __vxworks; use 'unsigned char' - there as well. - * objc/deprecated/objc-unexpected-exception.h: Renamed to - objc_unexpected_exception.h. - * objc/objc-api.h: Updated include of - objc-unexpetected-exception.h - * objc/objc-exception.h: Updated comments. - * Makefile.in (OBJC_H, OBJC_DEPRECATED_H): Added the new header - files. Reindented list of files. - -2010-09-10 Nicola Pero - - * objc/objc-api.h (objc_trace): Unused variable removed. - -2010-09-10 Nicola Pero - - * objc/deprecated: New directory. - * objc/deprecated/README: New file. - * objc/README: New file. - * objc/typedstream.h: Moved into objc/deprecated/typedstream.h; - objc/typedstream.h replaced with a placeholder including the file - from the deprecated/ directory. - * objc/deprecated/objc-unexpected-exception.h: New file with the - definition of _objc_unexpected_exception. - * objc/objc-api.h: Include deprecated/objc-unexcepted-exception.h - instead of defining _objc_unexpected_exception. - * objc/deprecated/Object.h: New file with the deprecated Object - methods in a 'Deprecated' category. - * objc/Object.h Include deprecated/Object.h instead of defining - the deprecated methods. - * Object.m: Moved deprecated methods into 'Deprecated' category. - * objc-private: New directory. - * objc-private/README: New file. - * Makefile.in (OBJC_DEPRECATED_H): New variable. - (install-headers): Create installation directory for - OBJC_DEPRECATED_H headers, and install them. - -2010-09-10 Nicola Pero - - * objc/objc-exception.h: Fixed include of objc.h. - -2010-09-08 Nicola Pero - - * objc/objc-exception.h: New file. - * exception.c (objc_set_uncaught_exception_handler): Implemented. - (objc_set_exception_matcher): Implemented. - (objc_exception_throw): Use the uncaught exception handler if set. - (PERSONALITY_FUNCTION): Use the exception matcher instead of the - hardcoded isKindOf. - (isKindOf): Renamed to is_kind_of_exception_matcher. Tidied code - up. Removed segmentation fault when value is 'nil'. - * objc/objc-api.h (_objc_unexpected_exception): Mark as - deprecated. - * Makefile.in (exception.lo, exception_gc.lo): Use - -Wno-deprecated-declarations when compiling. - (OBJC_H): Added objc-exception.h - -2010-09-08 Nicola Pero - - * objc/typedstream.h: Deprecate all functions in the file. This - file is obsolete. - * objc/Object.h ([+streamVersion:], [-read:], [-write:], - [-awake]): Documented that these methods are deprecated. Added a - brief description of the Object class and its relationship to the - NSObject class. - * Makefile.in: Compile archive.c and Object.m with - -Wno-deprecated-declarations. - -2010-09-08 Nicola Pero - - Removed obsolete intermediate threading layer. - * thr.c: Use __gthread_objc_xxx functions directly instead of - __objc_thread_xxx ones. - * objc/thr.h: Removed prototypes of no longer existing - __objc_thread_xxx functions. - * Makefile.in: Removed thr-objc.lo. - * thr-dce.c: File removed. - * thr-decosf1.c: File removed. - * thr-irix.c: File removed. - * thr-mach.c: File removed. - * thr-objc.c: File removed. - * thr-os2.c: File removed. - * thr-posix.c: File removed. - * thr-pthreads.c: File removed. - * thr-rtems.c: File removed. - * thr-single.c: File removed. - * thr-solaris.c: File removed. - * thr-vxworks.c: File removed. - * thr-win32.c: File removed. - * README.threads: File removed. - * THREADS.MACH: File removed. - * THREADS: Updated. - -2010-09-07 Nicola Pero - - * Object.m (MAX_CLASS_NAME_LEN): Unused define removed. - -2010-09-06 Iain Sandoe - - * encoding.c: Add TARGET_ALIGN_NATURAL definition for m64 powerpc darwin. - Add a comment as to why, update FIXME comments. - -2010-09-06 Nicola Pero - - * makefile.dos: Obsolete file removed. - -2010-04-02 Ralf Wildenhues - - * aclocal.m4: Regenerate. - -2010-03-23 Dave Korn - - PR libobjc/30445 - * configure.ac (extra_ldflags_libobjc): Define appropriately for - Cygwin and MinGW hosts. - * Makefile.am (libobjc_s.a): Remove dead pre-libtool target. - (libobjc.dll): Likewise. - * configure: Regenerate. - -2009-12-05 Ralf Wildenhues - - * configure: Regenerate. - -2009-11-28 Jakub Jelinek - - * sarray.c (sarray_free): Use old_buckets variable. - * encoding.c (objc_layout_structure_next_member): Remove unused - bfld_type_size variable. - -2009-08-24 Ralf Wildenhues - - * configure.ac (AC_PREREQ): Bump to 2.64. - -2009-08-22 Ralf Wildenhues - - * aclocal.m4: Regenerate. - * configure: Regenerate. - * config.h.in: Regenerate. - -2009-08-22 Ralf Wildenhues - - * Makefile.in (LIBTOOL): Add $(LIBTOOLFLAGS). - -2009-07-30 Ralf Wildenhues - - * Makefile.in (AUTOCONF, ACLOCAL, ACLOCAL_AMFLAGS, aclocal_deps): - New variables. - ($(srcdir)/configure, $(srcdir)/aclocal.m4): New rules. - -2009-07-30 Ralf Wildenhues - - * configure.ac (_AC_ARG_VAR_PRECIOUS): Use m4_rename_force. - -2009-04-09 Nick Clifton - - * sendmsg.c: Change copyright header to refer to version 3 of - the GNU General Public License with version 3.1 of the GCC - Runtime Library Exception and to point readers at the COPYING3 - and COPYING3.RUNTIME files and the FSF's license web page. - * NXConstStr.m: Likewise. - * Object.m: Likewise. - * Protocol.m: Likewise. - * archive.c: Likewise. - * class.c: Likewise. - * encoding.c: Likewise. - * exception.c: Likewise. - * gc.c: Likewise. - * hash.c: Likewise. - * init.c: Likewise. - * libobjc_entry.c: Likewise. - * linking.m: Likewise. - * misc.c: Likewise. - * nil_method.c: Likewise. - * objc/NXConstStr.h: Likewise. - * objc/Object.h: Likewise. - * objc/Protocol.h: Likewise. - * objc/encoding.h: Likewise. - * objc/hash.h: Likewise. - * objc/objc-api.h: Likewise. - * objc/objc-decls.h: Likewise. - * objc/objc-list.h: Likewise. - * objc/objc.h: Likewise. - * objc/runtime.h: Likewise. - * objc/sarray.h: Likewise. - * objc/thr.h: Likewise. - * objc/typedstream.h: Likewise. - * objects.c: Likewise. - * sarray.c: Likewise. - * selector.c: Likewise. - * thr-dce.c: Likewise. - * thr-decosf1.c: Likewise. - * thr-irix.c: Likewise. - * thr-mach.c: Likewise. - * thr-objc.c: Likewise. - * thr-os2.c: Likewise. - * thr-posix.c: Likewise. - * thr-pthreads.c: Likewise. - * thr-rtems.c: Likewise. - * thr-single.c: Likewise. - * thr-solaris.c: Likewise. - * thr-vxworks.c: Likewise. - * thr-win32.c: Likewise. - * thr.c: Likewise. - * libobjc.def: Change copyright header to refer to version 3 of - the GNU General Public License and to point readers at the COPYING3 - file and the FSF's license web page. - * makefile.dos: Likewise. - -2009-04-09 Jakub Jelinek - - * Makefile.in: Change copyright header to refer to version - 3 of the GNU General Public License and to point readers at the - COPYING3 file and the FSF's license web page. - * configure.ac: Likewise. - -2009-03-12 Richard Frith-Macdonald - David Ayers - - PR libobjc/27466 - * objc/objc-api.h (_objc_unexpected_exception): Declare - new hook. Update copyright dates. - * exception.c (objc_exception_throw): Use hook. Update - copyright dates. - * libobjc.def (_objc_unexpected_exception): Export hook. - Update copyright dates. - -2009-03-01 Ralf Wildenhues - - * configure: Regenerate. - -2008-12-18 Ralf Wildenhues - - * configure: Regenerate. - -2008-11-21 Kai Tietz - - * Object.m (errno): Replaced by errno.h include. - (compare): Cast self to id to prevent warning on comparison. - * objc/objc.h (BOOL): Prevent redeclaration of BOOL, if it is - already there. - * sendmsg.c (__objc_print_dtable_stats): Remove type warnings. - * thr-win32.c (__objc_thread_detach): Remove type warning. - (__objc_thread_id): Likewise. - * thr.c (__objc_thread_detach_functiont): Add __builtin_trap () - for noreturn. - -2008-09-26 Peter O'Gorman - Steve Ellcey - - * configure: Regenerate for new libtool. - * config.h.in: Regenerate for new libtool. - -2008-07-18 Matthias Klose - - * Makefile.in: Ignore missing ../boehm-gc/threads.mk. - -2008-07-18 Matthias Klose - - * Makefile.in: Include ../boehm-gc/threads.mk. - (OBJC_BOEHM_GC_LIBS): Define, (libobjc_gc$(libsuffix).la): Use it. - -2008-07-06 Ralf Wildenhues - - * Makefile.in (install-info): New stub target. - -2008-06-17 Ralf Wildenhues - - * configure: Regenerate. - -2008-06-14 Kai Tietz - - * exception.c (PERSONALITY_FUNCTION): Remove extra decrement - if HAVE_GETIPINFO is not defined. - -2008-06-10 Kai Tietz - - * Object.m (compare): Add type id. - * objc/Object.h: Likewise. - * archive.c (objc_read_class): Use size_t to extend version to be - size of pointer scalar width. - * sendmsg.c (rtx): Undefine it before redefinition. - (__objc_print_dtable_stats): Cast arguments to long as intended. - -2008-05-30 Julian Brown - - * exception.c (__objc_exception_class): Initialise as constant - array for ARM EABI. Change macro to static const for non-ARM EABI. - (ObjcException): Add note about structure layout. Remove landingPad - and handlerSwitchValue for ARM EABI. - (get_ttype_entry): Add __ARM_EABI_UNWINDER__ version - of function. - (CONTINUE_UNWINDING): Define for ARM EABI/otherwise cases. - (PERSONALITY_FUNCTION): Use ARM EABI-specific arguments, and add - ARM EABI unwinding support. - (objc_exception_throw): Use memcpy to initialise exception class. - -2008-05-25 Alan Modra - - * encoding.c (strip_array_types): Rename from get_inner_array_type. - (rs6000_special_round_type_align): Update. - -2008-05-09 Julian Brown - - * Makefile.in (LTLDFLAGS): New. - (libobjc$(libsuffix).la, libobjc_gc$(libsuffix).la): Use above. - -2008-04-18 Paolo Bonzini - - PR bootstrap/35457 - * aclocal.m4: Regenerate. - * configure: Regenerate. - -2008-01-24 David Edelsohn - - * configure: Regenerate. - -2007-10-14 H.J. Lu - - * configure.ac: Don't run config-ml.in directly. - (multilib_arg): New. - * configure: Regenerated. - -2007-08-06 Andrew Pinski - - PR libobjc/30731 - * exception.c (parse_lsda_header): Use _uleb128_t/_sleb128_t instead - of _Unwind_Word for variables which are used in - read_uleb128/read_sleb128. - (PERSONALITY_FUNCTION): Likewise. - -2007-07-05 H.J. Lu - - * aclocal.m4: Regenerated. - -2007-06-03 Andrew Pinski - - * configure.ac: Fix a typo in *-*-darwin clause. - * configure: Regenerated. - -2007-06-02 H.J. Lu - - * configure.ac: Fix a typo. - * configure: Regenerated. - -2007-06-02 Paolo Bonzini - - * configure: Regenerate. - -2007-06-01 Andrew Pinski - - * Makefile.in: Replace all uses of libext with libsuffix. - * configure.ac: Likewise. - * configure: Regenerate. - - Revert: - * Makefile.in: Remove all uses of $(libext). - -2007-05-23 Andrew Pinski - - * Makefile.in: Remove all uses of $(libext). - -2007-05-23 Steve Ellcey - - * configure: Regenerate. - * aclocal.m4: Regenerate. - -2007-04-21 Andrew Ruder - - * sendmsg.c (__objc_get_forward_imp): Call - __objc_msg_forward2 for real. - -2007-04-09 Andrew Ruder - - * sendmsg.c: Added __objc_msg_forward2, a hook that allows - external libraries to provide a function that returns the real - forwarding function based on both the selector and the receiver. - * objc/objc-api.h: Define __objc_msg_forward2. - -2007-03-01 Brooks Moses - - * Makefile.in: Add dummy install-pdf target. - -2007-02-18 Manuel Lopez-Ibanez - - * objc/objc-list.h (list_free): Add keyword 'inline' to avoid - unused warning. - -2006-10-31 Geoffrey Keating - - * encoding.c (darwin_rs6000_special_round_type_align): New. - -2006-10-14 Geoffrey Keating - - * Makefile.in: Use multi_basedir instead of toplevel_srcdir. - * configure.ac: Use multi.m4 from aclocal rather than custom - code. Use multi_basedir instead of toplevel_srcdir. - * aclocal.m4: Regenerate. - * configure: Regenerate. - -2006-10-10 Brooks Moses - - * Makefile.in: Added empty "pdf" target. - -2006-07-18 Paolo Bonzini - - * configure: Regenerate. - -2006-05-23 Carlos O'Donell - - * Makefile.in: Add install-html target. Add install-html to .PHONY - -2006-02-21 Rainer Orth - - PR libobjc/26309 - * thr-objc.c (_XOPEN_SOURCE): Don't define on Tru64 UNIX. - -2006-01-24 David Ayers - - PR libobjc/9751 - * gc.c (class_ivar_set_gcinvisible): Replace strncpy with memcpy - and insure the new strings are '\0' termintated. - -2006-01-24 David Ayers - - PR libobjc/13946 - * configure.ac: Add include directives for --enable-objc-gc. - * Makefile.in: Ditto. - * configure: Regenerate. - - * gc.c (__objc_class_structure_encoding): Increment the used bytes - instead of the local pointer to them. - -2005-12-14 Andrew Pinski - - PR objc/25360 - * objc/objc-api.c (_C_COMPLEX): New define. - * encoding.c (objc_sizeof_type): Handle _C_Complex. - (objc_alignof_type): Likewise. - (objc_skip_typespec): Likewise. - -2005-12-15 David Ayers - - PR libobjc/14382 - * README (+load,+initialize): Fix documentation to reflect - intended and implemented semantics for +load and +initialize. - -2005-12-12 Andrew Pinski - - * encoding.c (TYPE_FIELDS): Fix to skip over just _C_STRUCT_B and - the name. - (get_inner_array_type): Fix to skip over _C_ARY_B and size. - (rs6000_special_round_type_align): Update for the ABI fix. - (objc_layout_finish_structure): Correct the encoding which is passed to - ROUND_TYPE_ALIGN. - -2005-12-11 Andrew Pinski - - PR libobjc/25347 - * encoding.c (objc_sizeof_type): Don't handle _C_UNION_B special - but use the struct layout functions. - (objc_alignof_type): Likewise. - (objc_layout_structure): Handle _C_UNION_B also. - (objc_layout_structure_next_member): Likewise. - (objc_layout_finish_structure): Likewise. - -2005-12-11 Andrew Pinski - - PR libobjc/25346 - * objc/objc-api.h (_C_BOOL): New define. - * encoding.c (objc_sizeof_type): Handle _C_BOOL. - (objc_alignof_type): Likewise. - (objc_skip_typespec): Likewise. - -2005-11-20 David Ayers - - PR libobjc/19024 - * objc/hash.h: Remove deprecated hash API. - * hash_compat.c: Remove. - * Makefile.in: Remove reference to hash_compat.c. - - * configure.ac (VERSION): Bump library version to 2:0:0. - * configure: Regenerate. - -2005-11-09 Alexandre Oliva - - PR other/4372 - * thr-objc.c (_XOPEN_SOURCE): Define. - -2005-10-07 Ulrich Weigand - - PR libobjc/23612 - * objc/objc-api.h (struct objc_ivar): Move definition to - global scope. - -2005-09-04 Andrew Pinski - Rasmus Hahn - - PR libobjc/23108 - * archive.c (objc_write_type): Correct the element offset. - (objc_read_type): Likewise. - -2005-08-17 Kelley Cook - - * All files: Update FSF address. - -2005-08-13 Marcin Koziej - Andrew Pinski - - PR libobjc/22492 - * exception.c (PERSONALITY_FUNCTION): Fix the PC with finally. - -2005-08-13 Andrew Pinski - - * Makefile.in (extra_ldflags_libobjc): New. - (libobjc$(libext).la): Add extra_ldflags_libobjc to the link line. - (libobjc_gc$(libext).la): Likewise. - * configure.ac (extra_ldflags_libgfortran): Set for *-darwin* to - "-Wl,-single_module". - * configure: Regenerate. - * linking.m (_objcInit): Remove. - -2005-07-26 Andrew Pinski - - PR libobjc/22606 - * Makefile.in (ALL_CFLAGS): Add -fexceptions. - -2005-06-08 David Ayers - - * objc/NXConstStr.h, objc/Object.h, objc/Protocol.h, - objc/encoding.h, objc/hash.h, objc/objc-api.h, - objc/runtime.h, objc/sarray.h, objc/thr.h, - objc/typedstream.h: Do not include Objective-C headers as - system headers. - -2005-06-07 David Ayers - - * archive.c, init.c, selector.c: Include hash.h. - * archive.c, class.c, encoding.c, gc.c, hash.c, hash_compat.c, - init.c, misc.c, nil_method.c, objects.c, sarray.c, selector.c, - sendmsg.c, thr-dce.c, thr-decosf1.c, thr-irix.c, thr-mach.c, - thr-objc.c, thr-os2.c, thr-posix.c, thr-pthreads.c, thr-rtems.c, - thr-single.c, thr-solaris.c, thr-vxworks.c, thr-win32.c, thr.c: - Include Objective-C headers with quotes and objc/ directory - prefix. - -2005-05-19 Richard Henderson - - * exception.c: Revert last change. - -2005-05-19 David Ayers - - * exception.c: Include tsystem.h for unwind.h. - -2005-05-09 Mike Stump - - * configure: Regenerate. - -2005-04-12 Mike Stump - - * configure: Regenerate. - -2005-03-21 Zack Weinberg - - * Makefile.in: Set gcc_version here. - * configure.ac: Do not invoke TL_AC_GCC_VERSION. Adjust quoting - in definition of toolexeclibdir so that $(gcc_version) is expanded - by the Makefile. - * aclocal.m4, configure: Regenerate. - -2005-03-03 David Ayers - - * objc/hash.h (OBJC_IGNORE_DEPRECATED_API): Update deprecated - version reference. Correct typo. - -2005-03-02 David Ayers - - PR libobjc/19024 - * Makefile.in (OBJS): Add hash_compat.lo. - (OBJS_GC): Add hash_compat_gc.lo. - (hash_compat_gc.lo): New target and rule. - * objc/hash.h (hash_new, hash_delete, hash_add, hash_remove) - (hash_next, hash_value_for_key, hash_is_key_in_hash) - (hash_ptr, hash_string, compare_ptrs, compare_strings): Prefix - with objc_. Add deprecated non prefixed inlined versions. - (OBJC_IGNORE_DEPRECATED_API): New macro to hide deprecated - declarations. - * hash.c (hash_new, hash_delete, hash_add, hash_remove, hash_next) - (hash_value_for_key, hash_is_key_in_hash): Prefix with objc_ and - update callers. - * hash_compat.c: New file. - * archive.c: Update callers. - * init.c: Likewise. - * selector.c: Likewise. - * libobjc.def: Add objc_ versions of hash functions. - -2005-02-28 Andrew Pinski - - PR libobjc/20252 - * Makefile.in (GTHREAD_FLAGS): Remove. - (ALL_CFLAGS): Remove usage of GTHREAD_FLAGS. - * thr-objc.c: Include config.h. - * configure.ac: Instead of looking at GCC's makefile, figure out if - GTHREAD_FLAGS should be defined by looking at the `thread model' - of the current gcc. - * configure: Regenerate. - * config.h.in: Regenerate. - -2005-02-28 Paolo Bonzini - - PR bootstrap/17383 - * configure.ac: Call GCC_TOPLEV_SUBDIRS. - (Determine CFLAGS for gthread): Use $host_subdir. - * configure: Regenerate. - * Makefile.in (host_subdir): New. - (INCLUDES): Use it. - -2004-12-20 Andrew Pinski - - PR libobjc/12035 - * gc.c: Remove definition of LOGWL, modWORDSZ, and divWORDSZ since - they are not used. - Include limits.h and stdlib.h. - Define BITS_PER_WORD. - -2004-12-12 Alexander Malmberg - - * selector.c (__objc_init_selector_tables): Add missing void to - definition. - -2004-12-02 Richard Sandiford - - * configure.ac: Use TL_AC_GCC_VERSION to set gcc_version. - * configure, aclocal.m4: Regenerate. - -2004-11-29 Kelley Cook - - * configure: Regenerate for libtool change. - -2004-11-25 Kelley Cook - - * configure: Regenerate for libtool reversion. - -2004-11-24 Kelley Cook - - * configure: Regenerate for libtool change. - -2004-11-24 Kelley Cook - - * aclocal.m4, config.h.in: Regenerate. - -2004-10-08 Mike Stump - Andrew Pinski - - * aclocal.m4: Rename to ... - * acinclude.m4: here and also use m4_include instead of sinclude. - * aclocal.m4: Regenerate. - * configure: Regenerate. - * configure.ac: Add AM_MAINTAINER_MODE and AM_PROG_CC_C_O. - * Makefile.in (configure): Add @MAINT@ infront of configure.ac - -2004-10-08 Andrew Pinski - - * archive.c: Fix all the warnings about passing unsigned char* - to char* and the other way too. - -2004-09-16 Andrew Pinski - - PR libobjc/16448 - * exception.c: Include config.h - (objc_exception_throw): Change _GLIBCXX_SJLJ_EXCEPTIONS to - SJLJ_EXCEPTIONS. - * configure.ac: Find out what exception handling code we use. - * configure: Regenerate. - * config.h.in: New file, regenerate. - -2004-09-16 Andrew Pinski - - * encoding.c (ALTIVEC_VECTOR_MODE): Define a bogus macro. - -2004-08-28 Nathanael Nerode - - * configure.ac: Switch from _GCC_TOPLEV_NONCANONICAL_TARGET to - ACX_NONCANONICAL_TARGET. - * configure: Regenerate. - -2004-08-13 Ziemowit Laski - - * objc/sarray.h: Hoist include of assert.h near the top of file, - and mark the remainder of the file 'extern "C"'. - -2004-08-13 Andrew Pinski - - * objc/Object.h: Move includes out of extern "C" blocks. - * objc/encoding.h: Likewise. - * objc/hash.h: Likewise. - * objc/objc-api.h: Likewise. - * objc/runtime.h: Likewise. - * objc/sarray.h: Likewise. - * objc/typedstream.h: Likewise. - -2004-08-12 Ziemowit Laski - - * objc/NXConstStr.h: Update copyright date; bracket with - 'extern "C"' for C++ use; make include syntax consistent - by using <...> instead of "..."; hoist includes - above the 'extern "C"' block. - * objc/Object.h: Likewise. - * objc/Protocol.h: Likewise. - * objc/encoding.h: Likewise. - * objc/hash.h: Likewise. - * objc/runtime.h: Likewise. - * objc/sarray.h: Likewise. - * objc/thr.h: Likewise. - * objc/typedstream.h: Likewise. - * objc/objc-api.h: Add 'extern "C"' block for C++ use. - (objc_static_instances): For C++ case, do away with - zero-sized array. - (objc_method): Hoist definition to file scope. - (_objc_load_callback, _objc_object_alloc, class_get_class_method, - class_get_instance_method, class_create_instance, - class_get_class_name, class_get_instance_size, - class_get_meta_class, class_get_super_class, class_get_version, - class_is_class, class_is_meta_class, class_set_version, - class_get_gc_object_type, class_ivar_set_gcinvisible, - get_imp): Rename 'class' parameter to '_class'. - * objc/objc-list.h: Add 'extern "C"' block for C++ use. - * objc/objc.h: Update copyright date. - (arglist_t): Provide a union tag. - -2004-07-22 Andrew Pinski - - * thr.c (__objc_thread_detach_function): Do not mark as volatile - but instead use the attribute noreturn. - -2004-06-28 Zack Weinberg - - * encoding.c: Rename target_flags with a #define to avoid - conflict with a prior declaration. - -2004-06-24 Andrew Pinski - - * objc/encoding.h: Wrap the functions with extern "C" for C++ - mode. - * objc/hash.h: Likewise. - * objc/objc-api.h: Likewise. - * objc/objc-list.h: Likewise. - * objc/runtime.h: Likewise. - * objc/sarray.h: Likewise. - * objc/thr.h: Likewise. - * objc/typedstream.h: Likewise. - - -2004-06-21 Nick Clifton - - * encoding.c (BITS_PER_UNIT): Define if a definition is not - provided. - -2004-06-20 Alexander Malmberg - - * Makefile.in (exception.lo): Remove $(OBJC_GCFLAGS). - (exception_gc.lo): New. - (OBJS_GC): Add exception_gc.lo. - -2004-06-17 Richard Henderson - - * exception.c: New file. - * Makefile.in (exception.lo): New. - (OBJS): Add it. - -2004-06-14 Andrew Pinski - - * linking.m (_objcInit): New empty function - for Darwin only. - -2004-06-11 Andrew Pinski - - * configure.ac: Support --enable-shared=libobjc. - * configure: Regenerate. - - PR libobjc/15901 - * configure.ac: Do not disable shared by default. - * configure: Regenerate. - -2004-06-03 Nicola Pero - - * Protocol.m ([-isEqual:]): Small optimizations returning - immediately if the argument is equal to self, and accessing - the argument's name directly if it's a protocol. - -2004-06-03 David Ayers - - * Protocol.m ([-isEqual:]): Test the class of the argument. - -2004-05-25 Andrew Pinski - - * configure.ac (includedir): Rename to ... - (includedirname). - * Makefile.in: s/includedir/includedirname/. - - PR target/11572 - * configure.ac (includedir): Set to "include" - except for Darwin. - (libext) Set to empty except for Darwin. - * configure: Regenerate - * Makefile.in: s/libobjc.la/libobjc$(libext).la/g. - s/include/$(includedir)/g. - -2004-05-25 Daniel Jacobowitz - - * Makefile.in: Add .NOEXPORT. - -2004-05-25 Andrew Pinski - - Merge from the libobjc-branch - 2004-02-09 Andrew Pinski - - * Makefile.in (OBJC_H): Change objc-deps.h to objc-decls.h. - - 2004-02-03 Andrew Pinski - - * Makefile.in (OBJC_H): Add objc-deps.h. - - 2004-01-27 Nicola Pero - - * Protocol.m ([-conformsTo:]): If the argument is nil, return NO. - ([-hash], [-isEqual:]): New methods. - - 2004-01-27 Richard Frith-Macdonald - - * sarray.c (sarray_free): Add a better comment. - - 2004-01-27 Adam Fedor - - * hash.c (hash_add): Cast cachep to int. - * selector.c (__sel_register_typed_name): Cast - soffset_decode to int. - - 2004-01-27 Alexander Malmberg - - * selector.c: Rename register_selectors_from_list to - __objc_register_selectors_from_list. Update caller. - (__objc_register_selectors_from_list): Lock __objc_runtime_mutex - while registering selectors. Use __sel_register_typed_name instead - of sel_register_typed_name. Check for NULL method_name:s. - (pool_alloc_selector): New function. - (__sel_register_typed_name): Use pool_alloc_selector to allocate - selector structures. - * sendmsg.c (class_add_method_list): Use - __objc_register_selectors_from_list. - * objc/runtime.h: Add __objc_register_selectors_from_list. - - 2004-01-25 Adam Fedor - Nicola Pero - Andrew Pinski - - * objc/objc-decls.h: New file. - * objc/objc-api.h (_objc_lookup_class): Mark as export. - (_objc_load_callback): Likewise. - (_objc_object_alloc): Likewise. - (_objc_object_copy): Likewise. - (_objc_object_dispose): Likewise. - - 2004-01-25 Andrew Pinski - - * archive.c: s/__inline__/inline - * sendmsg.c: Likewise. - - * encoding.c: Remove FIXME about the warning - about unused variable. - * sendmsg.c: Add a FIXME comment saying that - this should be using libffi. - - * Makefile.in (LIBTOOL): Use @LIBTOOL@ now as it works. - - -2004-05-13 Andrew Pinski - - * archive.c (objc_read_class): Initialize class_name. - (objc_read_selector): Initialize selector_name. - -2004-05-09 Richard Sandiford - - * Makefile.in (toolexecdir): Remove trailing space. - -2004-04-15 Nathanael Nerode - - PR libobjc/14948 - * configure.ac: De-precious CC so multilibs work. - * configure: Regenerate. - -2004-04-14 Nathanael Nerode - - * configure.ac: Restore toolexecdir. - * Makefile.in: Restore toolexecdir. - * configure: Regenerate. - -2004-04-09 Nathanael Nerode - - * configure.ac: Remove (unused) glibcpp_prefixdir. - * configure: Regenerate. - - * configure.in: Rename to configure.ac. - * Makefile.in: Update to match. - - * Makefile.in: Remove toolexecdir, glibcpp_toolexecdir (unused). - Replace glibcpp_toolexeclibdir with toolexeclibdir. - * configure.in: Remove glibcpp_toolexecdir (unused). - Replace glibcpp_toolexeclibdir with toolexeclibdir. Don't generate - config.h or stamp-h (unused). Move one comment to the right place. - * configure: Regenerate. - * config.h.in: Remove (unused). - - * config.h.in: Regenerate with autoheader. - - * Makefile.in: Remove (unused) gcc_version_trigger. - * configure.in: Remove (unused) glibcpp_builddir. Don't AC_SUBST - gcc_version_trigger. - * configure: Regenerate. - - * configure.in: Switch to modern style for AC_INIT, AC_OUTPUT. - Sort file into sections. Remove dnl where appropriate. Fix - other style issues. - * configure: Regenerate. - - * configure.in: Replace old AC_PROG_CC hack with new one. - Define toplevel_srcdir in terms of srcdir, not top_srcdir (there - are no subdirectory output files, so this is fine). Change prereq - to autoconf 2.59. - * aclocal.m4: Include ../config/no-executables.m4. - * configure: Regenerate with autoconf 2.59. - - * configure.in: Improve comments on gthread_cflags. Improve m4 - quotation, and replace 'if test' with 'case', for --enable-objc-gc. - * configure: Regenerate. - - * configure.in: Move PACKAGE and VERSION settings up top. Remove - unused call to AC_PROG_LN_S. Default RANLIB to ':'. Remove - redundant checks for values of RANLIB, AR, INSTALL. - * configure: Regenerate. - - * configure.in: Clean up handling of - --enable-version-specific-runtime-libs and related variables; - replace 'if test' with 'case' where reasonable. Fix comments. - Remove useless libstdcxx_interface. - * configure: Regenerate. - - * configure.in: Use _GCC_TOPLEV_NONCANONICAL_TARGET. - Replace uses of target_alias with target_noncanonical. - * aclocal.m4: Include ../config/acx.m4. - * configure: Regenerate. - * Makefile.in: Replace uses of target_alias with target_noncanonical. - Fix copyright statement. - - * configure.in: Hand-inline bulky, confusing macros from - aclocal.m4. Replace references to "GNU Objective C" with "GCC". - Update copyright notice. Remove stuff for automake, which isn't - used in this directory. Remove emacs local variables. - * aclocal.m4: Remove hand-inlined macros. Update copyright notice. - * configure: Regenerate. - -2004-03-16 Manfred Hollstein - - * Makefile.in, configure.in, configure: Update copyright years. - -2004-03-15 Manfred Hollstein - - * Makefile.in (LIBOBJC_VERSION, LIBOBJC_GC_VERSION): Use - definition from configure.in. - * configure.in (PACKAGE): Add definition. - (VERSION): Add definition; substitute it in output files. - * configure: Re-generate. - -2004-03-05 Ziemowit Laski - - * objc/hash.h (hash_string, compare_strings): - Add type-casts to make Objective-C++ happy. - * objc/typedstream.h (objc_get_stream_class_version): - Rename parameter from 'class' to 'class_name' to make - Objective-C++ happy. - -2004-03-01 Michael Matz - - * Makefile.in (ALL_CFLAGS): Add -fno-strict-aliasing. - -2004-02-06 Ziemowit Laski - - * objc/objc-api.h (objc_super): The 'class' field shall - be named 'super_class' #ifdef __cplusplus. - -2004-01-17 Andrew Pinski - - PR target/10781 - * encoding.c (rs6000_special_round_type_align): Define. - -2004-01-14 Adam Fedor - - PR libobjc/12155 - * selector.c (__objc_register_instance_methods_to_class): Free - new_list if not used. - -2004-01-09 Andrew Ruder - - PR libobjc/11904 - * sarray.c (sarray_free): Free array->is_copy_of latter. - -2003-12-01 Zack Weinberg - - PR 11433 - * Protocol.m (descriptionForInstanceMethod): Don't dereference - instance_methods if it's NULL. - (descriptionForClassMethod): Likewise for class_methods. - -2003-10-24 Rainer Orth - - * Makefile.in (runtime-info.h): Remove -Wp. - -2003-10-21 Rainer Orth - - * Makefile.in (CC1OBJ): Remove. - (runtime-info.h): Invoke $(CC) so all MULTIFLAGS are handled - correctly. - Use .m extension for temporary file. - Remove assembler temp file. - -2003-10-20 Joseph S. Myers - - * objc/hash.h (hash_string): Don't use a cast as an lvalue. - -2003-10-17 Rainer Orth - - * Makefile.in (runtime-info.h): Use MULTIFLAGS. - -2003-09-09 Alan Modra - - * configure: Regenerate. - -2003-08-27 Alexander Malmberg - - * Makefile.in, aclocal.m4: Update to $(libdir)/gcc/ instead of - (libdir)/gcc-lib/ when installing. - * configure: Regenerate. - -Thu Jul 10 10:27:43 2003 Nicola Pero - - libobjc/9969 - * sendmsg.c (get_imp): Fixed rare threading problem. - (__objc_responds_to): Similar fixes. - (objc_msg_lookup): Similar fixes. - (__objc_init_install_dtable): Lock the runtime before checking if the - table is installed. - -2003-05-23 Nathanael Nerode - - * hash.c, init.c, libobjc.def, libobjc_entry.c, linking.m, - makefile.dos, misc.c, nil_method.c, objects.c, sarray.c, - selector.c, sendmsg.c, thr-dce.c, thr-decosf1.c, thr-irix.c, - thr-mach.c, thr-objc.c, thr-os2.c, thr-posix.c, thr-pthreads.c, - thr-rtems.c, thr-single.c, thr-solaris.c, thr-vxworks.c, - thr-win32.c, thr.c: Replace "GNU CC" with "GCC". - * Makefile.in, NXConstStr.m, Object.m, Protocol.m, archive.c, - class.c, encoding.c, gc.c, objc/NXConstStr.h, objc/Object.h, - objc/Protocol.h, objc/encoding.h, objc/hash.h, objc/objc-api.h, - objc/objc-list.h, objc/objc.h, ocjc/runtime.h, objc/sarray.h, - objc/thr.h, objc/typedstream.h: Replace "GNU CC" with "GCC". - -Tue May 13 14:56:03 2003 Richard Frith-Macdonald - Nicola Pero - - libobjc/10742 - * init.c (class_superclass_of_class): New function. - (create_tree_of_subclasses_inherited_from): Use it. - (__objc_tree_insert_class): Likewise. - (class_is_subclass_of_class): Likewise. - -2003-04-11 David Chad - Loren J. Rittle - - libobjc/8562 - * objc/hash.h (hash_string): Constify correctly. - (compare_ptrs): Use direct compare. - * objc/objc-list.h (list_nth): Rename index to indx to avoid shadow. - * objc/sarray.h: Global rename index to indx to avoid shadow. - -2003-03-12 Andreas Schwab - - * aclocal.m4 (GLIBCPP_EXPORT_INSTALL_INFO): Avoid trailing /. in - glibcpp_toolexeclibdir. - * configure: Rebuilt. - -2003-02-20 Alexandre Oliva - - * configure.in: Propagate ORIGINAL_LD_FOR_MULTILIBS to - config.status. - * configure: Rebuilt. - -2003-01-27 Alexandre Oliva - - * aclocal.m4 (glibcpp_toolexeclibdir): Instead of - $(MULTISUBDIR), use `$CC -print-multi-os-directory`, unless - version_specific_libs is enabled. - * configure: Rebuilt. - -2003-01-09 Christian Cornelssen - - * Makefile.in (FLAGS_TO_PASS): Also pass DESTDIR. - (install-libs, install-headers): Prepend $(DESTDIR) to - destination paths in all (un)installation commands. - -2002-12-02 Zack Weinberg - - * thr-objc.c: Include coretypes.h and tm.h. - -2002-12-01 Zack Weinberg - - * encoding.c, sendmsg.c: Include coretypes.h and tm.h. - -2002-11-26 Nathanael Nerode - - * configure.in: Remove skip-this-dir support. - * configure: Regenerate. - -2002-09-22 Kaveh R. Ghazi - - * Makefile.in (all): Fix multilib parallel build. - -Thu Sep 12 12:44:37 2002 Nicola Pero - - * sendmsg.c (nil_method): Declare not to take a variable number of - args. - (objc_msg_lookup): Cast nil_method to IMP before returning it. - (objc_msg_lookup_super): The same. - -2002-09-10 Jan Hubicka - - * nil_method.c (nil_method): No longer defined with variable - arguments. - -2002-07-02 Rodney Brown - - * objc/encoding.h: Fix formatting. - * objc/hash.h: Likewise. - * objc/objc-api.h: Likewise. - * objc/runtime.h: Likewise. - * objc/thr.h: Likewise. - * archive.c: Likewise. - * class.c: Likewise. - * encoding.c: Likewise. - * gc.c: Likewise. - * hash.c: Likewise. - * init.c: Likewise. - * misc.c: Likewise. - * nil_method.c: Likewise. - * objects.c: Likewise. - * sarray.c: Likewise. - * selector.c: Likewise. - * sendmsg.c: Likewise. - * thr-mach.c: Likewise. - * thr.c: Likewise. - -2002-06-25 DJ Delorie - - * aclocal.m4 (GLIBCPP_CONFIGURE): Split out - GLIBCPP_TOPREL_CONFIGURE. - * configure.in: Call it before AC_CANONICAL_SYSTEM. - * configure: Regenerate. - -2002-06-21 Kaveh R. Ghazi - - * Object.m (forward, read, write): Fix unused parameter warnings. - * encoding.c: Include . - (target_flags): Mark with attribute unused. - (atoi): Delete. - * runtime.h (__objc_selector_max_index): Change to unsigned int. - (__objc_generate_gc_type_description): Prototype. - * selector.c (__objc_selector_max_index): Change to unsigned int. - -Mon Jun 17 18:37:42 2002 Nicola Pero - - * sendmsg.c (__objc_get_forward_imp): Fix warning by making sure - we always have a return value: if __objc_msg_forward does not - supply a forwarding implementation, return the default - __builtin_apply based one. - -2002-06-15 Kaveh R. Ghazi - - * Object.m: Fix signed/unsigned warning. - * Protocol.m: Likewise. - * archive.c: Always include stdlib.h. - (objc_read_short, objc_read_unsigned_short, objc_read_int, - objc_read_long, __objc_read_nbyte_uint, __objc_read_nbyte_ulong): - Fix signed/unsigned warning. - (objc_write_type, objc_read_type, objc_write_types, - objc_read_types): Ensure ctype 8-bit safety. - (__objc_no_write, __objc_no_read): Mark unused parameters. - * class.c (class_table_setup): Specify void arg. - * encoding.c (atoi, objc_sizeof_type, objc_alignof_type, - objc_skip_typespec, objc_skip_offset, - objc_layout_structure_next_member): Ensure ctype 8-bit safety. - (objc_layout_structure_next_member): Ensure variables are - initialized. - * gc.c (__objc_generate_gc_type_description, - class_ivar_set_gcinvisible): Mark unused parameters. - * init.c (__objc_send_load, __objc_destroy_class_tree_node): Mark - unused parameters. - (__objc_init_protocols) Fix signed/unsigned warning. - * nil_method.c (nil_method): Mark unused parameters. - * thr.h (objc_thread_callback): Specify void arg. - * sarray.c (sarray_new, sarray_realloc, sarray_free): Fix - signed/unsigned warning. - (sarray_free): Fix formatting. - * selector.c (sel_types_match): Ensure ctype 8-bit safety. - * sendmsg.c (__objc_init_install_dtable) Mark unused parameters. - -2002-06-09 Andreas Jaeger - - * encoding.c (objc_layout_structure_next_member): Remove unused - variable. - -2002-05-20 Kaveh R. Ghazi - - * Makefile.in (SHELL): Set to @SHELL@. - (WARN_CFLAGS): New. - (ALL_CFLAGS): Add $(WARN_CFLAGS). - -2002-05-16 Rainer Orth - - * aclocal.m4: Allow for PWDCMD to override hardcoded pwd. - * configure: Regenerate. - -2002-05-08 Alexandre Oliva - - * configure.in (ORIGINAL_LD_FOR_MULTILIBS): Preserve LD at - script entry, and set LD to it when configuring multilibs. - * configure: Rebuilt. - -2002-04-19 David O'Brien - - * encoding.c (MAX, MIN, ROUNDING): #undef before defining. - -2002-04-09 Hans-Peter Nilsson - - PR objc/6107 - * objc/objc-api.h (struct objc_protocol_list): Change type of - member count from int to size_t. - -2002-02-11 Franz Sirl - - PR libobjc/4039 - * aclocal.m4: Replace with version copied from libstdc++-v3. - * configure.in: Update for changes to aclocal and Makefile. - * configure: Regenerate. - * Makefile.in: Correct install of multilibs and shared libs, use - INSTALL_DATA for include files. - -Mon Dec 17 17:02:12 2001 Nicola Pero - - * init.c (__objc_exec_class): Fixed bug in the loop on unclaimed - categories - when an unclaimed category was found, the loop was - doing two steps forward instead of one, so that in certain cases - it was failing to properly load all the categories. (Reported - with fix by Alexander Malmberg ). - -2001-11-14 Aldy Hernandez - - * encoding.c: Add target_flags. - -2001-11-07 Aldy Hernandez - - * objc/objc-api.h (_C_VECTOR): New. - - * encoding.c (VECTOR_TYPE): New. - -Mon Oct 29 21:29:21 2001 Nicola Pero - - * class.c: Rewritten the class table to use optimized, lock-free - lookup. This more than doubles the speed of class method - invocations. (class_table_setup), (class_table_insert), - (class_table_replace), (class_table_get_safe), - (class_table_next), (class_table_print), - (class_table_print_histogram): New functions. - (__objc_init_class_tables): Use class_table_setup. - (__objc_add_class_to_hash): Use class_table_get_safe and - class_table_insert. (objc_lookup_class), (objc_get_class): Do not - assert the existence of the table; do not lock the runtime; use - class_table_get_safe. (objc_next_class): Use class_table_next. - (__objc_resolve_class_links): Use class_table_next. - (class_pose_as): Use class_table_replace. - -2001-09-10 Ovidiu Predescu - - * gc.c: Removed the DEBUG declaration. - -Wed Jul 18 12:48:56 2001 Nicola Pero - - * thr.c (objc_mutex_lock): Invoke __objc_thread_id directly, - rather than through objc_thread_id, to save a function call. - (objc_mutex_trylock, objc_mutex_unlock, objc_condition_wait): - Ditto. - -Mon Jul 16 12:15:00 2001 Nicola Pero - - * objc/objc-api.h (object_is_class): Fixed - buggy code was trying - to cast an id to a Class, which can not be done. Make the check - by using CLS_ISMETA on the class pointer instead. - (object_is_meta_class): Similar fix. - -2001-06-09 Alexandre Oliva , Stephen L Moshier - - * configure.in (AC_EXEEXT): Work around in case it expands to - nothing, as in autoconf 2.50. - * acinclude.m4: Likewise. - * configure: Rebuilt. - -2001-06-08 Nicola Pero - - * THREADS: Explain that when we compile libobjc inside GCC, we - always use thr-objc.c as a backend, which uses GCC's thread code. - -2001-06-06 Richard Frith-Macdonald - - * init.c (__objc_send_message_in_list): When setting a new entry - in __objc_load_methods use the method IMP as key, but check to see - if the method is in the hashtable by looking at the IMP also. - Also ... call the method after adding it to the hashtable rather - than before ... thus preventing an obscure possibility of infinite - recursion if a +load method itself loads a subclass. - -2001-05-25 Ovidiu Predescu - - * init.c (__objc_send_message_in_list): When setting a new entry - in __objc_load_methods use the method name as key, not the method - IMP (reported by Richard Frith-Macdonald ). - -2001-05-09 Joseph S. Myers - - * objc-features.texi: Move to ../gcc/objc.texi. - * fdl.texi: Remove. - * Makefile.in: Don't generate documentation from - objc-features.texi. - -2001-05-01 Mark Mitchell - - * fdl.texi: New file. - * objc-features.texi: Simplify. - * Makefile.in: Adjust accordingly. - -2001-04-30 Mark Mitchell - - * objc-features.texi: Use the GFDL. - -Wed Mar 21 04:44:58 EST 2001 John Wehle (john@feith.com) - - * encoding.c (REAL_TYPE): Define. - -2001-03-19 David Edelsohn - - * encoding.c (TYPE_MODE): Define. - -2001-03-14 Nicola Pero - - * thr.c (objc_thread_add): New function. - (objc_thread_remove): Ditto. - * objc/thr.h: Declare them. - * libobjc.def: Mention them. - -2001-02-28 Ovidiu Predescu - - * objc-features.texi: Document the @compatibility_alias compiler - directive (description from Nicola Pero ). - -Fri Feb 23 18:12:00 2001 Rainer Orth - - * sendmsg.c (__objc_forward): Delete strlen() declaration. - -2001-02-08 Geoffrey Keating - - * configure.in: Don't run AC_PROG_CC_WORKS or AC_EXEEXT, because - we're not interested in the result and they might fail. - * configure: Regenerated. - -2001-01-12 Joseph S. Myers - - * objc-features.texi: Use @email. - -2001-01-12 Joseph S. Myers - - * sendmsg.c (__objc_print_dtable_stats): Don't use #ifdef inside - printf. - -2000-01-11 Richard Earnshaw - - * encoding.c (STRUCTURE_SIZE_BOUNDARY): Redefine in a way that - determines the value dynamically. - -Wed Jan 3 00:49:10 2001 Ovidiu Predescu - - * sendmsg.c: Added __objc_msg_forward, a hook that allows external - libraries to provide a function that returns the real forwarding - function. This can alleviate problems __builtin_apply() and - friends have on various platforms. (Solution suggested by Helge - Hess.) - - * objc/objc-api.h: Define __objc_msg_forward. - - * sendmsg.c: Define gen_rtx_REG. - -2000-12-06 Ralf Corsepius - - * thr-rtems.c: New file. Stub to compile. - -2000-09-06 Alexandre Oliva - - * configure: Rebuilt with new libtool.m4. - -Tue Aug 15 00:38:56 2000 Ovidiu Predescu - - * configure.in: Create a config.h file. Check for . - * configure: Regenerate. - - * config.h.in: Check for . - -2000-08-14 Zack Weinberg - - * configure: Regenerate after change to ../libtool.m4. - -2000-08-14 Andreas Schwab - - * objc-features.texi (Top): Move @menu at end of node. - -2000-08-11 Manfred Hollstein - - * objc-features.texi: Move @node Top before @menu. - -Sun Aug 6 23:27:49 2000 Ovidiu Predescu - - * objc-features.texi: Documented the new -fconstant-string-class - option. - -Sun Aug 6 22:51:16 2000 Ovidiu Predescu - - * thr-posix.c: Integrated Chris Ball's changes to - improve the Posix thread support for Objective-C. - -2000-08-04 Zack Weinberg - - * aclocal.m4: Replace copy of ../libtool.m4 with - sinclude(../libtool.m4). - -Fri Jul 28 08:58:02 2000 Nicola Pero - - * configure.in: Added libtool support; build shared libraries - if --enable-shared was passed on command line. - * Makefile.in: Modified most compilation commands to use libtool. - * aclocal.m4: New symbolic link to the ../libtool.m4, from the - libtool distribution. - -Sat Jul 29 00:10:21 2000 Ovidiu Predescu - - * sarray.c, Object.m: Removed the explicit prototypes for strlen - and memcpy on 64-bit platforms (Suggested by Rodney Brown - ). - -2000-05-12 H.J. Lu (hjl@gnu.org) - - * Makefile.in (GTHREAD_FLAGS): New. - (ALL_CFLAGS): Add $(GTHREAD_FLAGS). - (OBJC_THREAD_FILE): Changed to thr-objc. - - * configure.in (GTHREAD_FLAGS): New, check and replace it for - Makefile. - (OBJC_THREAD_FILE): Removed. - - * thr-objc.c: New. - -2000-07-13 Kaveh R. Ghazi - - * objc/hash.h: Include string.h. - -2000-04-15 David Edelsohn - - * Object.m (strlen): 64-bit PowerPC is a 64bit platform as well. - -2000-04-12 Jakub Jelinek - - * Object.m (strlen): Provide prototype on all 64bit platforms, - not only alpha. - * sarray.c (memcpy): Likewise. - * encoding.c (objc_layout_finish_structure): Don't use - ROUND_TYPE_ALIGN on sparc. - - * encoding.c (objc_layout_structure_next_member): Do the whole - procedure even for the first member, so that we get correct - alignment. - -2000-03-29 Zack Weinberg - - * objc/Protocol.h, objc/objc-list.h: Change #endif labels to - comments. - -2000-02-23 Zack Weinberg - - * Makefile.in: Add -DIN_TARGET_LIBS to ALL_CFLAGS. - -Thu Sep 23 07:19:12 1999 Chris Ball - - * thr-posix.c (__objc_mutex_deallocate): made deallocate work. - -Tue Sep 21 07:47:10 1999 Jeffrey A Law (law@cygnus.com) - - * Makefile.in (gc.o, gc_gc.o): Do not pass -fgnu-runtime to - the compiler when building C code. - -Fri Aug 6 23:32:29 1999 Daniel Jacobowitz - - * Makefile.in (FLAGS_TO_PASS): Include prefix, exec_prefix, - libdir, libsubdir and tooldir. - -Mon Jun 21 05:40:15 1999 John David Anglin - - * init.c (__objc_force_linking): Make global. - -Thu May 20 03:20:59 1999 Jeffrey A Law (law@cygnus.com) - - * configure.in (AC_EXEEXT): Remove call. - (compiler_name): Explicitly check with no extension and .exe - extension. - * configure: Regenerate. - -Sun Apr 25 01:15:34 1999 Mumit Khan - - * Makefile.in (CC1OBJ): Define in terms of CC. - (runtime-info.h): Use. - -Fri April 8 08:21:07 1999 Ovidiu Predescu - - * objc-features.texi: Updated the URL to Boehm's GC page. - -Fri Mar 26 23:41:07 1999 Ovidiu Predescu - - * archive.c (__objc_code_char, __objc_write_char): Explicitly specify - the char as being signed (patch from Daniel Jacobowitz - ). - -Wed Mar 24 22:41:28 1999 Mumit Khan - - * configure.in (AC_PREREQ): Update to 2.13. - (AC_EXEEXT): Call to find possible file extension. - (compiler_name): Use. - * configure: Regenerate. - -Wed Jan 27 02:31:01 1999 Jeffrey A Law (law@cygnus.com) - - * Makefile.in (ALL_CFLAGS): Add -DIN_GCC. - -Tue Jan 5 01:38:53 1999 Jeffrey A Law (law@cygnus.com) - - * configure.in (thread_file): Correct and simplify code to find - the thread file. - * configure: Rebuilt. - -1998-11-26 Manfred Hollstein - - * configure.in (compiler_name): Add check to detect if this - language's compiler has been built. - * configure: Regenerate. - -Mon Nov 23 16:50:28 1998 Kaveh R. Ghazi - - * configure.in: Use AC_PREREQ(2.12.1). - -Thu Nov 19 20:33:37 1998 Jeffrey A Law (law@cygnus.com) - - * Makefile.in (runtime-info.h): Avoid GNU make extensions. - -Sun Nov 8 17:46:14 1998 Kaveh R. Ghazi - - * Makefile.in (INCLUDES): Add -I$(srcdir)/$(MULTISRCTOP)../include. - -Thu Oct 22 14:34:06 1998 Kaveh R. Ghazi - - * configure.in: Use AC_CONFIG_AUX_DIR($topsrcdir). - -Sat Oct 17 05:21:31 1998 Ovidiu Predescu - - * objc-features.texi (Top): Changed the email address. - * objc-features.texi (Garbage Collection): Use @uref instead of @url. - -Mon Oct 11 21:25:27 1998 Ovidiu Predescu - - * encoding.c: Redefine get_inner_array_type to get the first entry - in the structure. - -Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald - - * encoding.c (objc_skip_type_qualifiers): Handle _C_BYREF. - (objc_get_type_qualifiers): Similarly. - * objc/encoding.h (_C_BYREF): Define. - (_F_BYREF): Define. - -1998-10-07 David S. Miller - - * objc/sarray.h: Make boffset be an unsigned long when sparc so it - works out on 64-bit systems. - -Tue Oct 6 20:32:06 1998 Alexandre Oliva - - * Makefile.in (INCLUDES): Make it multilib-friendly. - -Fri Oct 2 07:12:14 1998 H.J. Lu (hjl@gnu.org) - - * Makefile.in (INCLUDES): Add -I$(srcdir)/../gcc. - -Thu Oct 1 22:33:03 1998 Robert Lipe - Jeffrey A Law (law@cygnus.com) - - * Makefile.in (INCLUDES): Reference gcc via $MULTIBUILDTOP. - (FLAGS_TO_PASS): Added. - (runtime-info.h): Reference cc1ibj via $MULTIBUILDTOP. - - * archive.c: Change config.h to tconfig.h. - - * configure.in: Find gcc's object directory even for multilibs. - -Wed Sep 30 18:17:17 1998 Robert Lipe - - * configure.in: Escape ^ in grep string. - * configure: Rebuilt. - -Wed Sep 30 09:14:52 1998 Jeffrey A Law (law@cygnus.com) - - * All .h files pushed down into the objc/ subdirectory. - * Makefile.in (copy_headers): Corresponding changes. - * configure.in (AC_INIT): Corresponding changes. - * configure: Rebuilt. - -1998-09-30 Ben Elliston - Jeff Law - - * Makefile.in: Rewrite. - - * configure.in: Likewise. - - * configure: Regenerate. - - * All .c files. Remove "objc" prefix when including objc header - files. Include tconfig.h, not ../tconfig.h. - -Mon Sep 21 23:27:10 1998 Ovidiu Predescu - - * encoding.c (TREE_TYPE, ARRAY_TYPE): Define. - (get_inner_array_type): Define. - -1998-09-21 Ben Elliston - - * New directory. Moved files from ../gcc/objc. diff --git a/gcc-4.7/libobjc/ChangeLog.x32 b/gcc-4.7/libobjc/ChangeLog.x32 deleted file mode 100644 index 9a0c1eb87..000000000 --- a/gcc-4.7/libobjc/ChangeLog.x32 +++ /dev/null @@ -1,3 +0,0 @@ -2012-05-16 H.J. Lu - - * configure: Regenerated. diff --git a/gcc-4.7/libobjc/Makefile.in b/gcc-4.7/libobjc/Makefile.in deleted file mode 100644 index 1427bac43..000000000 --- a/gcc-4.7/libobjc/Makefile.in +++ /dev/null @@ -1,354 +0,0 @@ -# Makefile for GNU Objective C runtime library. -# Copyright 1993, 1995, 1996, 1997, 1998, 1999, 2001, 2002, 2003, 2004, -# 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc. - -#This file is part of GCC. - -#GCC is free software; you can redistribute it and/or modify -#it under the terms of the GNU General Public License as published by -#the Free Software Foundation; either version 3, or (at your option) -#any later version. - -#GCC is distributed in the hope that it will be useful, -#but WITHOUT ANY WARRANTY; without even the implied warranty of -#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -#GNU General Public License for more details. - -#You should have received a copy of the GNU General Public License -#along with GCC; see the file COPYING3. If not see -#. - -#This was cribbed from the libchill, libiberty and libstdc++ -#Makefile.in files. Some of this stuff may be unnecessary and -#worthless. - -SHELL = @SHELL@ -MAKEOVERRIDES= - -#### Start of system configuration section. #### - -srcdir = @glibcpp_srcdir@ -VPATH = @glibcpp_srcdir@ -prefix = @prefix@ -exec_prefix = @exec_prefix@ -target_noncanonical = @target_noncanonical@ -gcc_version := $(shell cat $(srcdir)/../gcc/BASE-VER) -host_subdir = @host_subdir@ -top_srcdir = @top_srcdir@ -multi_basedir = @multi_basedir@ -toolexecdir = @toolexecdir@ -# Toolexecdir is used only by toolexeclibdir -toolexeclibdir = @toolexeclibdir@ - -includedirname = @includedirname@ -libsuffix = @libsuffix@ - -lt_host_flags = @lt_host_flags@ -extra_ldflags_libobjc = @extra_ldflags_libobjc@ - -top_builddir = . - --include ../boehm-gc/threads.mk - -libdir = $(exec_prefix)/lib -libsubdir = $(libdir)/gcc/$(target_noncanonical)/$(gcc_version) - -# Multilib support variables. -MULTISRCTOP = -MULTIBUILDTOP = -MULTIDIRS = -MULTISUBDIR = -MULTIDO = true -MULTICLEAN = true - -# Not configured per top-level version, since that doesn't get passed -# down at configure time, but overrridden by the top-level install -# target. -INSTALL = @INSTALL@ -INSTALL_PROGRAM = @INSTALL_PROGRAM@ -INSTALL_DATA = @INSTALL_DATA@ - -AR = @AR@ -AR_FLAGS = rc - -RANLIB = @RANLIB@ - -CC = @CC@ -CFLAGS = @CFLAGS@ -WARN_CFLAGS = -W -Wall -Wwrite-strings -Wstrict-prototypes -ALL_CFLAGS = -I. -I$(srcdir) $(CPPFLAGS) $(DEFS) $(CFLAGS) $(WARN_CFLAGS) \ - -DIN_GCC -DIN_TARGET_LIBS -fno-strict-aliasing -fexceptions - -# Libtool -# The following strings describe the version of the obj-C library -# begin compiled and compatibility issues. -# Please refer to Libtool documentation about how to manage these -# numbers. -LIBOBJC_VERSION = @VERSION@ -LIBOBJC_GC_VERSION = @VERSION@ -LIBTOOL = @LIBTOOL@ $(LIBTOOLFLAGS) -LIBTOOL_COMPILE = $(LIBTOOL) --mode=compile -LIBTOOL_LINK = $(LIBTOOL) --mode=link -LIBTOOL_INSTALL = $(LIBTOOL) --mode=install -LIBTOOL_CLEAN = $(LIBTOOL) --mode=clean -#LIBTOOL_UNINSTALL = $(LIBTOOL) --mode=uninstall - -OBJC_GCFLAGS=@OBJC_GCFLAGS@ -OBJC_BOEHM_GC=@OBJC_BOEHM_GC@ -OBJC_BOEHM_GC_INCLUDES=@OBJC_BOEHM_GC_INCLUDES@ -OBJC_BOEHM_GC_LIBS=../boehm-gc/libgcjgc_convenience.la $(thread_libs_and_flags) - -INCLUDES = -I$(srcdir)/$(MULTISRCTOP)../gcc \ - -I$(srcdir)/$(MULTISRCTOP)../gcc/config \ - -I$(MULTIBUILDTOP)../../$(host_subdir)/gcc \ - -I$(srcdir)/$(MULTISRCTOP)../libgcc \ - -I$(MULTIBUILDTOP)../libgcc \ - -I$(srcdir)/$(MULTISRCTOP)../include \ - $(OBJC_BOEHM_GC_INCLUDES) - -## -## The list of header/source files -## - -# User-visible header files, from the objc/ directory -OBJC_H = \ - objc.h \ - objc-exception.h \ - objc-sync.h \ - \ - NXConstStr.h \ - Object.h \ - Protocol.h \ - message.h \ - objc-decls.h \ - runtime.h \ - thr.h - -# Objective-C source files to compile -OBJC_SOURCE_FILES = \ - NXConstStr.m \ - Object.m \ - Protocol.m \ - accessors.m \ - linking.m - -# C source files to compile -C_SOURCE_FILES = \ - class.c \ - encoding.c \ - error.c \ - gc.c \ - hash.c \ - init.c \ - ivars.c \ - memory.c \ - methods.c \ - nil_method.c \ - objc-foreach.c \ - objc-sync.c \ - objects.c \ - protocols.c \ - sarray.c \ - selector.c \ - sendmsg.c \ - thr.c \ - exception.c - -# Object files to link (when the library is linked with no GC (Garbage Collection)) -OBJS = \ - $(patsubst %.m,%.lo,$(OBJC_SOURCE_FILES)) \ - $(patsubst %.c,%.lo,$(C_SOURCE_FILES)) - -# Object files to link (when the library is linked with GC (Garbage Collection)) -OBJS_GC = \ - $(patsubst %.m,%_gc.lo,$(OBJC_SOURCE_FILES)) \ - $(patsubst %.c,%_gc.lo,$(C_SOURCE_FILES)) - - -## -## The rules to build -## - -# Flags to pass to a recursive make. -FLAGS_TO_PASS = \ - "AR=$(AR)" \ - "AR_FLAGS=$(AR_FLAGS)" \ - "CC=$(CC)" \ - "CFLAGS=$(CFLAGS)" \ - "DESTDIR=$(DESTDIR)" \ - "LIBCFLAGS=$(LIBCFLAGS)" \ - "EXTRA_OFILES=$(EXTRA_OFILES)" \ - "HDEFINES=$(HDEFINES)" \ - "INSTALL=$(INSTALL)" \ - "INSTALL_DATA=$(INSTALL_DATA)" \ - "INSTALL_PROGRAM=$(INSTALL_PROGRAM)" \ - "LDFLAGS=$(LDFLAGS)" \ - "LIBTOOL=$(LIBTOOL)" \ - "LOADLIBES=$(LOADLIBES)" \ - "PICFLAG=$(PICFLAG)" \ - "RANLIB=$(RANLIB)" \ - "SHELL=$(SHELL)" \ - "prefix=$(prefix)" \ - "exec_prefix=$(exec_prefix)" \ - "libdir=$(libdir)" \ - "libsubdir=$(libsubdir)" \ - "tooldir=$(tooldir)" - -# The 'all' rule must be the first one so that it is executed if -# nothing is specified on the command-line. -all: libobjc$(libsuffix).la $(OBJC_BOEHM_GC) - : $(MAKE) ; exec $(MULTIDO) $(FLAGS_TO_PASS) multi-do DO=all - -.SUFFIXES: -.SUFFIXES: .c .m .lo - -%.lo: %.c - $(LIBTOOL_COMPILE) $(CC) $< -c \ - $(ALL_CFLAGS) $(INCLUDES) \ - -o $@ - -%_gc.lo: %.c - $(LIBTOOL_COMPILE) $(CC) $< -c \ - $(ALL_CFLAGS) $(INCLUDES) $(OBJC_GCFLAGS) \ - -o $@ - -%.lo: %.m - $(LIBTOOL_COMPILE) $(CC) $< -c \ - $(ALL_CFLAGS) $(INCLUDES) -fgnu-runtime \ - -o $@ - -%_gc.lo: %.m - $(LIBTOOL_COMPILE) $(CC) $< -c \ - $(ALL_CFLAGS) $(INCLUDES) $(OBJC_GCFLAGS) -fgnu-runtime \ - -o $@ - -# sendmsg has a special rule because it depends on runtime-info.h. -runtime-info.h: - echo "" > tmp-runtime.m - echo "/* This file is automatically generated */" > $@ - $(CC) $(MULTIFLAGS) -print-objc-runtime-info -S tmp-runtime.m >> $@ - rm -f tmp-runtime.m tmp-runtime.s - -sendmsg.lo: sendmsg.c runtime-info.h - $(LIBTOOL_COMPILE) $(CC) $< -c \ - $(ALL_CFLAGS) $(INCLUDES) \ - -o $@ - -sendmsg_gc.lo: sendmsg.c runtime-info.h - $(LIBTOOL_COMPILE) $(CC) $< -c \ - $(ALL_CFLAGS) $(INCLUDES) $(OBJC_GCFLAGS) \ - -o $@ - -# These files have separate rules because they require special -# compiler flags. - -exception.lo: exception.c - $(LIBTOOL_COMPILE) $(CC) $< -c \ - $(ALL_CFLAGS) $(INCLUDES) -fexceptions \ - -o $@ - -exception_gc.lo: exception.c - $(LIBTOOL_COMPILE) $(CC) $< -c \ - $(ALL_CFLAGS) $(INCLUDES) $(OBJC_GCFLAGS) -fexceptions \ - -o $@ - -doc: info dvi pdf html - -# No install-html or install-pdf support -.PHONY: install-html install-pdf install-info -install-html: -install-pdf: -install-info: - -LTLDFLAGS = $(shell $(SHELL) $(top_srcdir)/../libtool-ldflags $(LDFLAGS)) - -libobjc$(libsuffix).la: $(OBJS) - $(LIBTOOL_LINK) $(CC) -o $@ $(OBJS) \ - -Wc,-shared-libgcc -rpath $(toolexeclibdir) \ - -version-info $(LIBOBJC_VERSION) $(extra_ldflags_libobjc) \ - $(LTLDFLAGS) - -libobjc_gc$(libsuffix).la: $(OBJS_GC) - $(LIBTOOL_LINK) $(CC) -o $@ $(OBJS_GC) $(OBJC_BOEHM_GC_LIBS) \ - -Wc,-shared-libgcc -rpath $(toolexeclibdir) \ - -version-info $(LIBOBJC_GC_VERSION) $(extra_ldflags_libobjc) \ - $(LTLDFLAGS) - -info: -dvi: -pdf: -html: - -Makefile: Makefile.in config.status - $(SHELL) config.status - -config.status: configure - rm -f config.cache - CONFIG_SITE=no-such-file CC='$(CC)' AR='$(AR)' CFLAGS='$(CFLAGS)' \ - CPPFLAGS='$(CPPFLAGS)' $(SHELL) config.status --recheck - -AUTOCONF = autoconf -ACLOCAL = aclocal -ACLOCAL_AMFLAGS = -I ../config -I .. -aclocal_deps = \ - $(srcdir)/../config/multi.m4 \ - $(srcdir)/../config/override.m4 \ - $(srcdir)/../config/proginstall.m4 \ - $(srcdir)/../ltoptions.m4 \ - $(srcdir)/../ltsugar.m4 \ - $(srcdir)/../ltversion.m4 \ - $(srcdir)/../lt~obsolete.m4 \ - $(srcdir)/acinclude.m4 - -$(srcdir)/configure: @MAINT@ configure.ac $(srcdir)/aclocal.m4 - rm -f config.cache - cd $(srcdir) && $(AUTOCONF) - -$(srcdir)/aclocal.m4: @MAINT@ $(aclocal_deps) - cd $(srcdir) && $(ACLOCAL) $(ACLOCAL_AMFLAGS) - -install: install-libs install-headers - -install-libs: installdirs - $(SHELL) $(multi_basedir)/mkinstalldirs $(DESTDIR)$(toolexeclibdir) - $(LIBTOOL_INSTALL) $(INSTALL) libobjc$(libsuffix).la $(DESTDIR)$(toolexeclibdir); - if [ "$(OBJC_BOEHM_GC)" ]; then \ - $(LIBTOOL_INSTALL) $(INSTALL) libobjc_gc$(libsuffix).la \ - $(DESTDIR)$(toolexeclibdir);\ - fi - $(MULTIDO) $(FLAGS_TO_PASS) multi-do DO="$@" - @-$(LIBTOOL) --mode=finish $(DESTDIR)$(toolexeclibdir) - -# Copy Objective-C headers to installation include directory. -install-headers: - $(SHELL) $(multi_basedir)/mkinstalldirs $(DESTDIR)$(libsubdir)/$(includedirname)/objc - for file in $(OBJC_H); do \ - realfile=$(srcdir)/objc/$${file}; \ - $(INSTALL_DATA) $${realfile} $(DESTDIR)$(libsubdir)/$(includedirname)/objc; \ - done - -check uninstall install-strip dist installcheck installdirs: - -mostlyclean: - -$(LIBTOOL_CLEAN) rm -f libobjc$(libsuffix).la libobjc_gc$(libsuffix).la *.lo - -rm -f runtime-info.h tmp-runtime.s *.o *.lo libobjc* xforward \ - fflags *.aux *.cp *.dvi *.pdf *.fn *.info *.ky *.log *.pg \ - *.toc *.tp *.vr *.html libobj.exp - @$(MULTICLEAN) multi-clean DO=mostlyclean - -clean: mostlyclean - rm -f config.log - @$(MULTICLEAN) multi-clean DO=clean - -distclean: clean - @$(MULTICLEAN) multi-clean DO=distclean - rm -f config.cache config.status Makefile configure - -maintainer-clean realclean: distclean - -.PHONY: mostlyclean clean distclean maintainer-clean all check uninstall \ - install-strip dist installcheck installdirs - -# Don't export variables to the environment, in order to not confuse -# configure. -.NOEXPORT: diff --git a/gcc-4.7/libobjc/NXConstStr.m b/gcc-4.7/libobjc/NXConstStr.m deleted file mode 100644 index 1442ba6d3..000000000 --- a/gcc-4.7/libobjc/NXConstStr.m +++ /dev/null @@ -1,41 +0,0 @@ -/* Implementation of the NXConstantString class for Objective-C. - Copyright (C) 1995, 2009, 2010 Free Software Foundation, Inc. - Contributed by Pieter J. Schoenmakers - -This file is part of GCC. - -GCC is free software; you can redistribute it and/or modify it -under the terms of the GNU General Public License as published by the -Free Software Foundation; either version 3, or (at your option) any -later version. - -GCC is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or -FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public -License for more details. - -Under Section 7 of GPL version 3, you are granted additional -permissions described in the GCC Runtime Library Exception, version -3.1, as published by the Free Software Foundation. - -You should have received a copy of the GNU General Public License and -a copy of the GCC Runtime Library Exception along with this program; -see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -. */ - -#include "objc-private/common.h" -#include "objc/NXConstStr.h" - -@implementation NXConstantString - --(const char *) cString -{ - return (c_string); -} /* -cString */ - --(unsigned int) length -{ - return (len); -} /* -length */ - -@end diff --git a/gcc-4.7/libobjc/Object.m b/gcc-4.7/libobjc/Object.m deleted file mode 100644 index 552acb037..000000000 --- a/gcc-4.7/libobjc/Object.m +++ /dev/null @@ -1,42 +0,0 @@ -/* The implementation of class Object for Objective-C. - Copyright (C) 1993, 1994, 1995, 1997, 2002, 2009, 2010 - Free Software Foundation, Inc. - -This file is part of GCC. - -GCC is free software; you can redistribute it and/or modify it -under the terms of the GNU General Public License as published by the -Free Software Foundation; either version 3, or (at your option) any -later version. - -GCC is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or -FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public -License for more details. - -Under Section 7 of GPL version 3, you are granted additional -permissions described in the GCC Runtime Library Exception, version -3.1, as published by the Free Software Foundation. - -You should have received a copy of the GNU General Public License and -a copy of the GCC Runtime Library Exception along with this program; -see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -. */ - -#include "objc-private/common.h" -#include "objc/Object.h" -#include "objc/runtime.h" - -@implementation Object - -- (Class)class -{ - return object_getClass (self); -} - -- (BOOL)isEqual: (id)anObject -{ - return self == anObject; -} - -@end diff --git a/gcc-4.7/libobjc/Protocol.m b/gcc-4.7/libobjc/Protocol.m deleted file mode 100644 index 400f2a208..000000000 --- a/gcc-4.7/libobjc/Protocol.m +++ /dev/null @@ -1,34 +0,0 @@ -/* This file contains the implementation of class Protocol. - Copyright (C) 1993, 2004, 2009, 2010 Free Software Foundation, Inc. - -This file is part of GCC. - -GCC is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 3, or (at your option) -any later version. - -GCC is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -Under Section 7 of GPL version 3, you are granted additional -permissions described in the GCC Runtime Library Exception, version -3.1, as published by the Free Software Foundation. - -You should have received a copy of the GNU General Public License and -a copy of the GCC Runtime Library Exception along with this program; -see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -. */ - -#include "objc-private/common.h" -#include "objc/runtime.h" -#include "objc/Protocol.h" - -@implementation Protocol -- (BOOL) isEqual: (id)obj -{ - return protocol_isEqual (self, obj); -} -@end diff --git a/gcc-4.7/libobjc/README b/gcc-4.7/libobjc/README deleted file mode 100644 index 093116fd5..000000000 --- a/gcc-4.7/libobjc/README +++ /dev/null @@ -1,104 +0,0 @@ - -GNU Objective C notes -********************* - -This document is to explain what has been done, and a little about how -specific features differ from other implementations. The runtime has -been completely rewritten in gcc 2.4. The earlier runtime had several -severe bugs and was rather incomplete. The compiler has had several -new features added as well. - -This is not documentation for Objective C, it is usable to someone -who knows Objective C from somewhere else. - - -Runtime API functions -===================== - -The runtime is modeled after the NeXT Objective C runtime. That is, -most functions have semantics as it is known from the NeXT. The -names, however, have changed. All runtime API functions have names -of lowercase letters and underscores as opposed to the -`traditional' mixed case names. - The runtime api functions are not documented as of now. -Someone offered to write it, and did it, but we were not allowed to -use it by his university (Very sad story). We have started writing -the documentation over again. This will be announced in appropriate -places when it becomes available. - - -Protocols -========= - -Protocols are now fully supported. The semantics is exactly as on the -NeXT. There is a flag to specify how protocols should be typechecked -when adopted to classes. The normal typechecker requires that all -methods in a given protocol must be implemented in the class that -adopts it -- it is not enough to inherit them. The flag -`-Wno-protocol' causes it to allow inherited methods, while -`-Wprotocols' is the default which requires them defined. - - -+load -=========== -This method, if defined, is called for each class and category -implementation when the class is loaded into the runtime. This method -is not inherited, and is thus not called for a subclass that doesn't -define it itself. Thus, each +load method is called exactly once by -the runtime. The runtime invocation of this method is thread safe. - - -+initialize -=========== - -This method, if defined, is called before any other instance or class -methods of that particular class. For the GNU runtime, this method is -not inherited, and is thus not called as initializer for a subclass that -doesn't define it itself. Thus, each +initialize method is called exactly -once by the runtime (or never if no methods of that particular class is -never called). It is wise to guard against multiple invocations anyway -to remain portable with the NeXT runtime. The runtime invocation of -this method is thread safe. - - -Passivation/Activation/Typedstreams -=================================== - -This is supported in the style of NeXT TypedStream's. Consult the -headerfile Typedstreams.h for api functions. I (Kresten) have -rewritten it in Objective C, but this implementation is not part of -2.4, it is available from the GNU Objective C prerelease archive. - There is one difference worth noting concerning objects stored with -objc_write_object_reference (aka NXWriteObjectReference). When these -are read back in, their object is not guaranteed to be available until -the `-awake' method is called in the object that requests that object. -To objc_read_object you must pass a pointer to an id, which is valid -after exit from the function calling it (like e.g. an instance -variable). In general, you should not use objects read in until the --awake method is called. - - -Acknowledgements -================ - -The GNU Objective C team: Geoffrey Knauth (manager), -Tom Wood (compiler) and Kresten Krab Thorup - (runtime) would like to thank a some people for -participating in the development of the present GNU Objective C. - -Paul Burchard and Andrew McCallum - has been very helpful debugging the -runtime. Eric Herring has been very helpful -cleaning up after the documentation-copyright disaster and is now -helping with the new documentation. - -Steve Naroff and Richard Stallman - has been very helpful with implementation details -in the compiler. - - -Bug Reports -=========== - -Please read the section `Submitting Bugreports' of the gcc manual -before you submit any bugs. diff --git a/gcc-4.7/libobjc/THREADS b/gcc-4.7/libobjc/THREADS deleted file mode 100644 index 5004b2cbc..000000000 --- a/gcc-4.7/libobjc/THREADS +++ /dev/null @@ -1,339 +0,0 @@ -This file describes in little detail the modifications to the -Objective-C runtime needed to make it thread safe. - -First off, kudos to Galen Hunt who is the author of this great work. - -If you have an comments or just want to know where to -send me money to express your undying gratitude for threading the -Objective-C runtime you can reach Galen at: - - gchunt@cs.rochester.edu - -Any questions, comments, bug reports, etc. should send email either to the -GCC bug account or to: - - Scott Christley - -* Sarray Threading: - -The most critical component of the Objective-C runtime is the sparse array -structure (sarray). Sarrays store object selectors and implementations. -Following in the tradition of the Objective-C runtime, my threading -support assumes that fast message dispatching is far more important -than *ANY* and *ALL* other operations. The message dispatching thus -uses *NO* locks on any kind. In fact, if you look in sarray.h, you -will notice that the message dispatching has not been modified. -Instead, I have modified the sarray management functions so that all -updates to the sarray data structure can be made in parallel will -message dispatching. - -To support concurrent message dispatching, no dynamically allocated -sarray data structures are freed while more than one thread is -operational. Sarray data structures that are no longer in use are -kept in a linked list of garbage and are released whenever the program -is operating with a single thread. The programmer can also flush the -garbage list by calling sarray_remove_garbage when the programmer can -ensure that no message dispatching is taking place concurrently. The -amount of un-reclaimed sarray garbage should normally be extremely -small in a real program as sarray structures are freed only when using -the "poseAs" functionality and early in program initialization, which -normally occurs while the program is single threaded. - -****************************************************************************** -* Static Variables: - -The following variables are either statically or globally defined. This list -does not include variables which are internal to implementation dependent -versions of thread-*.c. - -The following threading designations are used: - SAFE : Implicitly thread safe. - SINGLE : Must only be used in single thread mode. - MUTEX : Protected by single global mutex objc_runtime_mutex. - UNUSED : Not used in the runtime. - -Variable Name: Usage: Defined: Also used in: -=========================== ====== ============ ===================== -__objc_class_hash MUTEX class.c -__objc_class_links_resolved UNUSED class.c runtime.h -__objc_class_number MUTEX class.c -__objc_dangling_categories UNUSED init.c -__objc_module_list MUTEX init.c -__objc_selector_array MUTEX selector.c -__objc_selector_hash MUTEX selector.c -__objc_selector_max_index MUTEX selector.c sendmsg.c runtime.h -__objc_selector_names MUTEX selector.c -__objc_thread_exit_status SAFE thread.c -__objc_uninstalled_dtable MUTEX sendmsg.c selector.c -_objc_load_callback SAFE init.c objc-api.h -_objc_lookup_class SAFE class.c objc-api.h -_objc_object_alloc SINGLE objects.c objc-api.h -_objc_object_copy SINGLE objects.c objc-api.h -_objc_object_dispose SINGLE objects.c objc-api.h -frwd_sel SAFE2 sendmsg.c -idxsize MUTEX sarray.c sendmsg.c sarray.h -initialize_sel SAFE2 sendmsg.c -narrays MUTEX sarray.c sendmsg.c sarray.h -nbuckets MUTEX sarray.c sendmsg.c sarray.h -nindices MUTEX sarray.c sarray.h -previous_constructors SAFE1 init.c -proto_class SAFE1 init.c -unclaimed_categories MUTEX init.c -unclaimed_proto_list MUTEX init.c -uninitialized_statics MUTEX init.c - -Notes: -1) Initialized once in unithread mode. -2) Initialized value will always be same, guaranteed by lock on selector - hash table. - - -****************************************************************************** -* Frontend/Backend design: - -The design of the Objective-C runtime thread and mutex functions utilizes a -frontend/backend implementation. - -The frontend, as characterized by the files thr.h and thr.c, is a set -of platform independent structures and functions which represent the -user interface. For example, objc_mutex_lock(). Objective-C programs -should use these structures and functions for their thread and mutex -work if they wish to maintain a high degree of portability across -platforms. - -The backend is currently GCC's gthread code (gthr.h and related). For -example, __gthread_objc_mutex_lock(). The thread system is -automatically configured when GCC is configured. On most platforms -this thread backend is able to automatically switch to non-multi-threaded -mode if the threading library is not linked in. - -If you want to compile libobjc standalone, then you would need to modify -the configure.in and makefiles for it and you need to import the -gthread code from GCC. - -****************************************************************************** -* Threads: - -The thread system attempts to create multiple threads using whatever -operating system or library thread support is available. It does -assume that all system functions are thread safe. Notably this means -that the system implementation of malloc and free must be thread safe. -If a system has multiple processors, the threads are configured for -full parallel processing. - -* Backend initialization functions - -__objc_init_thread_system(void), int - Initialize the thread subsystem. Called once by __objc_exec_class. - Return -1 if error otherwise return 0. - -__objc_close_thread_system(void), int - Closes the thread subsystem, not currently guaranteed to be called. - Return -1 if error otherwise return 0. - -***** -* Frontend thread functions -* User programs should use these functions. - -objc_thread_detach(SEL selector, id object, id argument), objc_thread_t - Creates and detaches a new thread. The new thread starts by - sending the given selector with a single argument to the - given object. - -objc_thread_set_priority(int priority), int - Sets a thread's relative priority within the program. Valid - options are: - - OBJC_THREAD_INTERACTIVE_PRIORITY - OBJC_THREAD_BACKGROUND_PRIORITY - OBJC_THREAD_LOW_PRIORITY - -objc_thread_get_priority(void), int - Query a thread's priority. - -objc_thread_yield(void), void - Yields processor to another thread with equal or higher - priority. It is up to the system scheduler to determine if - the processor is taken or not. - -objc_thread_exit(void), int - Terminates a thread. If this is the last thread executing - then the program will terminate. - -objc_thread_id(void), int - Returns the current thread's id. - -objc_thread_set_data(void *value), int - Set a pointer to the thread's local storage. Local storage is - thread specific. - -objc_thread_get_data(void), void * - Returns the pointer to the thread's local storage. - -***** -* Backend thread functions -* User programs should *NOT* directly call these functions. - -__gthr_objc_thread_detach(void (*func)(void *arg), void *arg), objc_thread_t - Spawns a new thread executing func, called by objc_thread_detach. - Return NULL if error otherwise return thread id. - -__gthr_objc_thread_set_priority(int priority), int - Set the thread's priority, called by objc_thread_set_priority. - Return -1 if error otherwise return 0. - -__gthr_objc_thread_get_priority(void), int - Query a thread's priority, called by objc_thread_get_priority. - Return -1 if error otherwise return the priority. - -__gthr_objc_thread_yield(void), void - Yields the processor, called by objc_thread_yield. - -__gthr_objc_thread_exit(void), int - Terminates the thread, called by objc_thread_exit. - Return -1 if error otherwise function does not return. - -__gthr_objc_thread_id(void), objc_thread_t - Returns the current thread's id, called by objc_thread_id. - Return -1 if error otherwise return thread id. - -__gthr_objc_thread_set_data(void *value), int - Set pointer for thread local storage, called by objc_thread_set_data. - Returns -1 if error otherwise return 0. - -__gthr_objc_thread_get_data(void), void * - Returns the pointer to the thread's local storage. - Returns NULL if error, called by objc_thread_get_data. - - -****************************************************************************** -* Mutexes: - -Mutexes can be locked recursively. Each locked mutex remembers -its owner (by thread id) and how many times it has been locked. The -last unlock on a mutex removes the system lock and allows other -threads to access the mutex. - -***** -* Frontend mutex functions -* User programs should use these functions. - -objc_mutex_allocate(void), objc_mutex_t - Allocates a new mutex. Mutex is initially unlocked. - Return NULL if error otherwise return mutex pointer. - -objc_mutex_deallocate(objc_mutex_t mutex), int - Free a mutex. Before freeing the mutex, makes sure that no - one else is using it. - Return -1 if error otherwise return 0. - -objc_mutex_lock(objc_mutex_t mutex), int - Locks a mutex. As mentioned earlier, the same thread may call - this routine repeatedly. - Return -1 if error otherwise return 0. - -objc_mutex_trylock(objc_mutex_t mutex), int - Attempts to lock a mutex. If lock on mutex can be acquired - then function operates exactly as objc_mutex_lock. - Return -1 if failed to acquire lock otherwise return 0. - -objc_mutex_unlock(objc_mutex_t mutex), int - Unlocks the mutex by one level. Other threads may not acquire - the mutex until this thread has released all locks on it. - Return -1 if error otherwise return 0. - -***** -* Backend mutex functions -* User programs should *NOT* directly call these functions. - -__gthr_objc_mutex_allocate(objc_mutex_t mutex), int - Allocates a new mutex, called by objc_mutex_allocate. - Return -1 if error otherwise return 0. - -__gthr_objc_mutex_deallocate(objc_mutex_t mutex), int - Free a mutex, called by objc_mutex_deallocate. - Return -1 if error otherwise return 0. - -__gthr_objc_mutex_lock(objc_mutex_t mutex), int - Locks a mutex, called by objc_mutex_lock. - Return -1 if error otherwise return 0. - -__gthr_objc_mutex_trylock(objc_mutex_t mutex), int - Attempts to lock a mutex, called by objc_mutex_trylock. - Return -1 if failed to acquire lock or error otherwise return 0. - -__gthr_objc_mutex_unlock(objc_mutex_t mutex), int - Unlocks the mutex, called by objc_mutex_unlock. - Return -1 if error otherwise return 0. - -****************************************************************************** -* Condition Mutexes: - -Mutexes can be locked recursively. Each locked mutex remembers -its owner (by thread id) and how many times it has been locked. The -last unlock on a mutex removes the system lock and allows other -threads to access the mutex. - -* -* Frontend condition mutex functions -* User programs should use these functions. -* - -objc_condition_allocate(void), objc_condition_t - Allocate a condition mutex. - Return NULL if error otherwise return condition pointer. - -objc_condition_deallocate(objc_condition_t condition), int - Deallocate a condition. Note that this includes an implicit - condition_broadcast to insure that waiting threads have the - opportunity to wake. It is legal to dealloc a condition only - if no other thread is/will be using it. Does NOT check for - other threads waiting but just wakes them up. - Return -1 if error otherwise return 0. - -objc_condition_wait(objc_condition_t condition, objc_mutex_t mutex), int - Wait on the condition unlocking the mutex until objc_condition_signal() - or objc_condition_broadcast() are called for the same condition. The - given mutex *must* have the depth 1 so that it can be unlocked - here, for someone else can lock it and signal/broadcast the condition. - The mutex is used to lock access to the shared data that make up the - "condition" predicate. - Return -1 if error otherwise return 0. - -objc_condition_broadcast(objc_condition_t condition), int - Wake up all threads waiting on this condition. It is recommended that - the called would lock the same mutex as the threads in - objc_condition_wait before changing the "condition predicate" - and make this call and unlock it right away after this call. - Return -1 if error otherwise return 0. - -objc_condition_signal(objc_condition_t condition), int - Wake up one thread waiting on this condition. - Return -1 if error otherwise return 0. - -* -* Backend condition mutex functions -* User programs should *NOT* directly call these functions. -* - -__gthr_objc_condition_allocate(objc_condition_t condition), int - Allocate a condition mutex, called by objc_condition_allocate. - Return -1 if error otherwise return 0. - -__gthr_objc_condition_deallocate(objc_condition_t condition), int - Deallocate a condition, called by objc_condition_deallocate. - Return -1 if error otherwise return 0. - -__gthr_objc_condition_wait(objc_condition_t condition, objc_mutex_t mutex), int - Wait on the condition, called by objc_condition_wait. - Return -1 if error otherwise return 0 when condition is met. - -__gthr_objc_condition_broadcast(objc_condition_t condition), int - Wake up all threads waiting on this condition. - Called by objc_condition_broadcast. - Return -1 if error otherwise return 0. - -__gthr_objc_condition_signal(objc_condition_t condition), int - Wake up one thread waiting on this condition. - Called by objc_condition_signal. - Return -1 if error otherwise return 0. diff --git a/gcc-4.7/libobjc/accessors.m b/gcc-4.7/libobjc/accessors.m deleted file mode 100644 index a47903a6c..000000000 --- a/gcc-4.7/libobjc/accessors.m +++ /dev/null @@ -1,289 +0,0 @@ -/* GNU Objective C Runtime accessors functions - Copyright (C) 2010 Free Software Foundation, Inc. - Contributed by Nicola Pero - -This file is part of GCC. - -GCC is free software; you can redistribute it and/or modify it under the -terms of the GNU General Public License as published by the Free Software -Foundation; either version 3, or (at your option) any later version. - -GCC is distributed in the hope that it will be useful, but WITHOUT ANY -WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more -details. - -Under Section 7 of GPL version 3, you are granted additional -permissions described in the GCC Runtime Library Exception, version -3.1, as published by the Free Software Foundation. - -You should have received a copy of the GNU General Public License and -a copy of the GCC Runtime Library Exception along with this program; -see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -. */ - -#include "objc-private/common.h" -#include "objc/objc.h" -#include "objc/thr.h" -#include /* For memcpy */ - -/* This file contains functions that the compiler uses when - synthesizing accessors (getters/setters) for properties. The - functions are part of the ABI, but are meant to be used by the - compiler and not by users; for this reason, they are not declared - in public header files. The compiler automatically generates - declarations for these functions. */ - -/* Properties can be "atomic", which requires protecting them from - concurrency issues using a lock. Unfortunately, we can't have a - lock for each property, so we'll go with a small pool of locks. - Any time a property is accessed in an "atomic" way, we pick a - random lock from the pool (random, but always the same one for the - same property of the same object) and use it to protect access to - the property. - - The size of the pool is currently 16. A bigger pool can help - reduce contention, ie, reduce the chances that two threads, - operating on unrelated properties, will have to wait for each other - because the properties use the same lock. 16 seems big enough at - the moment. */ -#define ACCESSORS_NUMBER_OF_LOCKS 16 - -#define ACCESSORS_HASH(POINTER) ((((size_t)POINTER >> 8) ^ (size_t)POINTER) & (ACCESSORS_NUMBER_OF_LOCKS - 1)) - -static objc_mutex_t accessors_locks[ACCESSORS_NUMBER_OF_LOCKS]; - -/* This is called at startup to setup the locks. */ -void -__objc_accessors_init (void) -{ - int i; - - for (i = 0; i < ACCESSORS_NUMBER_OF_LOCKS; i++) - accessors_locks[i] = objc_mutex_allocate (); -} - -/* The property accessors automatically call various methods from the - Foundation library (eg, GNUstep-base). These methods are not - implemented here, but we need to declare them so we can compile the - runtime. The Foundation library will need to provide - implementations of these methods (most likely in the root class, - eg, NSObject) as the accessors only work with objects of classes - that implement these methods. */ -@interface _libobjcNSObject -- (id) copyWithZone: (void *)zone; -- (id) mutableCopyWithZone: (void *)zone; -@end -#define COPY(X) [((_libobjcNSObject *)(X)) copyWithZone: NULL] -#define MUTABLE_COPY(X) [((_libobjcNSObject *)(X)) mutableCopyWithZone: NULL] - - -#if OBJC_WITH_GC - -# define AUTORELEASE(X) (X) -# define RELEASE(X) -# define RETAIN(X) (X) - -#else - -@interface _libobjcNSObject (RetainReleaseMethods) -- (id) autorelease; -- (oneway void) release; -- (id) retain; -@end -# define AUTORELEASE(X) [((_libobjcNSObject *)(X)) autorelease] -# define RELEASE(X) [((_libobjcNSObject *)(X)) release] -# define RETAIN(X) [((_libobjcNSObject *)(X)) retain] - -#endif - -/* The compiler uses this function when implementing some synthesized - getters for properties of type 'id'. */ -id -objc_getProperty (id self, SEL __attribute__((unused)) _cmd, ptrdiff_t offset, BOOL is_atomic) -{ - if (self != nil) - { - id *pointer_to_ivar = (id *)((char *)self + offset); - - - if (is_atomic == NO) - { - /* Note that in this case, we do not RETAIN/AUTORELEASE the - returned value. The programmer should do it if it is - needed. Since access is non-atomic, other threads can be - ignored and the caller has full control of what happens - to the object and whether it needs to be RETAINed or not, - so it makes sense to leave the decision to him/her. This - is also what the Apple/NeXT runtime does. */ - return *pointer_to_ivar; - } - else - { - objc_mutex_t lock = accessors_locks[ACCESSORS_HASH (pointer_to_ivar)]; - id result; - - objc_mutex_lock (lock); - result = RETAIN (*(pointer_to_ivar)); - objc_mutex_unlock (lock); - - return AUTORELEASE (result); - } - } - - return nil; -} - -/* The compiler uses this function when implementing some synthesized - setters for properties of type 'id'. - - PS: Note how 'should_copy' is declared 'BOOL' but then actually - takes values from 0 to 2. This hack was introduced by Apple; we - do the same for compatibility reasons. */ -void -objc_setProperty (id self, SEL __attribute__((unused)) _cmd, ptrdiff_t offset, id new_value, BOOL is_atomic, BOOL should_copy) -{ - if (self != nil) - { - id *pointer_to_ivar = (id *)((char *)self + offset); - id retained_value; -#if !OBJC_WITH_GC - id old_value; -#endif - - switch (should_copy) - { - case 0: /* retain */ - { - if (*pointer_to_ivar == new_value) - return; - retained_value = RETAIN (new_value); - break; - } - case 2: /* mutable copy */ - { - retained_value = MUTABLE_COPY (new_value); - break; - } - case 1: /* copy */ - default: - { - retained_value = COPY (new_value); - break; - } - } - - if (is_atomic == NO) - { -#if !OBJC_WITH_GC - old_value = *pointer_to_ivar; -#endif - *pointer_to_ivar = retained_value; - } - else - { - objc_mutex_t lock = accessors_locks[ACCESSORS_HASH (pointer_to_ivar)]; - - objc_mutex_lock (lock); -#if !OBJC_WITH_GC - old_value = *pointer_to_ivar; -#endif - *pointer_to_ivar = retained_value; - objc_mutex_unlock (lock); - } -#if !OBJC_WITH_GC - RELEASE (old_value); -#endif - } -} - -/* The compiler uses this function when implementing some synthesized - getters for properties of arbitrary C types. The data is just - copied. Compatibility Note: this function does not exist in the - Apple/NeXT runtime. */ -void -objc_getPropertyStruct (void *destination, const void *source, ptrdiff_t size, BOOL is_atomic, BOOL __attribute__((unused)) has_strong) -{ - if (is_atomic == NO) - memcpy (destination, source, size); - else - { - objc_mutex_t lock = accessors_locks[ACCESSORS_HASH (source)]; - - objc_mutex_lock (lock); - memcpy (destination, source, size); - objc_mutex_unlock (lock); - } -} - -/* The compiler uses this function when implementing some synthesized - setters for properties of arbitrary C types. The data is just - copied. Compatibility Note: this function does not exist in the - Apple/NeXT runtime. */ -void -objc_setPropertyStruct (void *destination, const void *source, ptrdiff_t size, BOOL is_atomic, BOOL __attribute__((unused)) has_strong) -{ - if (is_atomic == NO) - memcpy (destination, source, size); - else - { - objc_mutex_t lock = accessors_locks[ACCESSORS_HASH (destination)]; - - objc_mutex_lock (lock); - memcpy (destination, source, size); - objc_mutex_unlock (lock); - } -} - -/* This is the function that the Apple/NeXT runtime has instead of - objc_getPropertyStruct and objc_setPropertyStruct. We include it - for API compatibility (just for people who may have used - objc_copyStruct on the NeXT runtime thinking it was a public API); - the compiler never generates calls to it with the GNU runtime. - This function is clumsy because it requires two locks instead of - one. */ -void -objc_copyStruct (void *destination, const void *source, ptrdiff_t size, BOOL is_atomic, BOOL __attribute__((unused)) has_strong) -{ - if (is_atomic == NO) - memcpy (destination, source, size); - else - { - /* We don't know which one is the property, so we have to lock - both. One of them is most likely a temporary buffer in the - local stack and we really wouldn't want to lock it (our - objc_getPropertyStruct and objc_setPropertyStruct functions - don't lock it). Note that if we're locking more than one - accessor lock at once, we need to always lock them in the - same order to avoid deadlocks. */ - objc_mutex_t first_lock; - objc_mutex_t second_lock; - - if (ACCESSORS_HASH (source) == ACCESSORS_HASH (destination)) - { - /* A lucky collision. */ - first_lock = accessors_locks[ACCESSORS_HASH (source)]; - objc_mutex_lock (first_lock); - memcpy (destination, source, size); - objc_mutex_unlock (first_lock); - return; - } - - if (ACCESSORS_HASH (source) > ACCESSORS_HASH (destination)) - { - first_lock = accessors_locks[ACCESSORS_HASH (source)]; - second_lock = accessors_locks[ACCESSORS_HASH (destination)]; - } - else - { - first_lock = accessors_locks[ACCESSORS_HASH (destination)]; - second_lock = accessors_locks[ACCESSORS_HASH (source)]; - } - - objc_mutex_lock (first_lock); - objc_mutex_lock (second_lock); - memcpy (destination, source, size); - objc_mutex_unlock (second_lock); - objc_mutex_unlock (first_lock); - } -} diff --git a/gcc-4.7/libobjc/acinclude.m4 b/gcc-4.7/libobjc/acinclude.m4 deleted file mode 100644 index 581a5f272..000000000 --- a/gcc-4.7/libobjc/acinclude.m4 +++ /dev/null @@ -1,26 +0,0 @@ -dnl Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2001, 2010 -dnl Free Software Foundation, Inc. -dnl This file is free software; the Free Software Foundation -dnl gives unlimited permission to copy and/or distribute it, -dnl with or without modifications, as long as this notice is preserved. - -dnl This program is distributed in the hope that it will be useful, -dnl but WITHOUT ANY WARRANTY, to the extent permitted by law; without -dnl even the implied warranty of MERCHANTABILITY or FITNESS FOR A -dnl PARTICULAR PURPOSE. - -m4_include(../config/acx.m4) -m4_include(../config/no-executables.m4) -m4_include(../config/enable.m4) -m4_include(../config/tls.m4) - -m4_include(../libtool.m4) -dnl The lines below arrange for aclocal not to bring an installed -dnl libtool.m4 into aclocal.m4, while still arranging for automake to -dnl add a definition of LIBTOOL to Makefile.in. -ifelse(yes,no,[ -AC_DEFUN([AM_PROG_LIBTOOL],) -AC_DEFUN([AC_LIBTOOL_DLOPEN],) -AC_DEFUN([AC_LIBLTDL_CONVENIENCE],) -AC_SUBST(LIBTOOL) -]) diff --git a/gcc-4.7/libobjc/aclocal.m4 b/gcc-4.7/libobjc/aclocal.m4 deleted file mode 100644 index 93a97e31a..000000000 --- a/gcc-4.7/libobjc/aclocal.m4 +++ /dev/null @@ -1,204 +0,0 @@ -# generated automatically by aclocal 1.11.1 -*- Autoconf -*- - -# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, -# 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc. -# This file is free software; the Free Software Foundation -# gives unlimited permission to copy and/or distribute it, -# with or without modifications, as long as this notice is preserved. - -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY, to the extent permitted by law; without -# even the implied warranty of MERCHANTABILITY or FITNESS FOR A -# PARTICULAR PURPOSE. - -# AM_AUX_DIR_EXPAND -*- Autoconf -*- - -# Copyright (C) 2001, 2003, 2005 Free Software Foundation, Inc. -# -# This file is free software; the Free Software Foundation -# gives unlimited permission to copy and/or distribute it, -# with or without modifications, as long as this notice is preserved. - -# For projects using AC_CONFIG_AUX_DIR([foo]), Autoconf sets -# $ac_aux_dir to `$srcdir/foo'. 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See the GNU General Public License for more -details. - -Under Section 7 of GPL version 3, you are granted additional -permissions described in the GCC Runtime Library Exception, version -3.1, as published by the Free Software Foundation. - -You should have received a copy of the GNU General Public License and -a copy of the GCC Runtime Library Exception along with this program; -see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -. */ - -/* The code in this file critically affects class method invocation - speed. This long preamble comment explains why, and the issues - involved. - - One of the traditional weaknesses of the GNU Objective-C runtime is - that class method invocations are slow. The reason is that when you - write - - array = [NSArray new]; - - this gets basically compiled into the equivalent of - - array = [(objc_get_class ("NSArray")) new]; - - objc_get_class returns the class pointer corresponding to the string - `NSArray'; and because of the lookup, the operation is more - complicated and slow than a simple instance method invocation. - - Most high performance Objective-C code (using the GNU Objc runtime) - I had the opportunity to read (or write) work around this problem by - caching the class pointer: - - Class arrayClass = [NSArray class]; - - ... later on ... - - array = [arrayClass new]; - array = [arrayClass new]; - array = [arrayClass new]; - - In this case, you always perform a class lookup (the first one), but - then all the [arrayClass new] methods run exactly as fast as an - instance method invocation. It helps if you have many class method - invocations to the same class. - - The long-term solution to this problem would be to modify the - compiler to output tables of class pointers corresponding to all the - class method invocations, and to add code to the runtime to update - these tables - that should in the end allow class method invocations - to perform precisely as fast as instance method invocations, because - no class lookup would be involved. I think the Apple Objective-C - runtime uses this technique. Doing this involves synchronized - modifications in the runtime and in the compiler. - - As a first medicine to the problem, I [NP] have redesigned and - rewritten the way the runtime is performing class lookup. This - doesn't give as much speed as the other (definitive) approach, but - at least a class method invocation now takes approximately 4.5 times - an instance method invocation on my machine (it would take approx 12 - times before the rewriting), which is a lot better. - - One of the main reason the new class lookup is so faster is because - I implemented it in a way that can safely run multithreaded without - using locks - a so-called `lock-free' data structure. The atomic - operation is pointer assignment. The reason why in this problem - lock-free data structures work so well is that you never remove - classes from the table - and the difficult thing with lock-free data - structures is freeing data when is removed from the structures. */ - -#include "objc-private/common.h" -#include "objc-private/error.h" -#include "objc/runtime.h" -#include "objc/thr.h" -#include "objc-private/module-abi-8.h" /* For CLS_ISCLASS and similar. */ -#include "objc-private/runtime.h" /* the kitchen sink */ -#include "objc-private/sarray.h" /* For sarray_put_at_safe. */ -#include "objc-private/selector.h" /* For sarray_put_at_safe. */ -#include /* For memset */ - -/* We use a table which maps a class name to the corresponding class - pointer. The first part of this file defines this table, and - functions to do basic operations on the table. The second part of - the file implements some higher level Objective-C functionality for - classes by using the functions provided in the first part to manage - the table. */ - -/** - ** Class Table Internals - **/ - -/* A node holding a class */ -typedef struct class_node -{ - struct class_node *next; /* Pointer to next entry on the list. - NULL indicates end of list. */ - - const char *name; /* The class name string */ - int length; /* The class name string length */ - Class pointer; /* The Class pointer */ - -} *class_node_ptr; - -/* A table containing classes is a class_node_ptr (pointing to the - first entry in the table - if it is NULL, then the table is - empty). */ - -/* We have 1024 tables. Each table contains all class names which - have the same hash (which is a number between 0 and 1023). To look - up a class_name, we compute its hash, and get the corresponding - table. Once we have the table, we simply compare strings directly - till we find the one which we want (using the length first). The - number of tables is quite big on purpose (a normal big application - has less than 1000 classes), so that you shouldn't normally get any - collisions, and get away with a single comparison (which we can't - avoid since we need to know that you have got the right thing). */ -#define CLASS_TABLE_SIZE 1024 -#define CLASS_TABLE_MASK 1023 - -static class_node_ptr class_table_array[CLASS_TABLE_SIZE]; - -/* The table writing mutex - we lock on writing to avoid conflicts - between different writers, but we read without locks. That is - possible because we assume pointer assignment to be an atomic - operation. TODO: This is only true under certain circumstances, - which should be clarified. */ -static objc_mutex_t __class_table_lock = NULL; - -/* CLASS_TABLE_HASH is how we compute the hash of a class name. It is - a macro - *not* a function - arguments *are* modified directly. - - INDEX should be a variable holding an int; - HASH should be a variable holding an int; - CLASS_NAME should be a variable holding a (char *) to the class_name. - - After the macro is executed, INDEX contains the length of the - string, and HASH the computed hash of the string; CLASS_NAME is - untouched. */ - -#define CLASS_TABLE_HASH(INDEX, HASH, CLASS_NAME) \ - HASH = 0; \ - for (INDEX = 0; CLASS_NAME[INDEX] != '\0'; INDEX++) \ - { \ - HASH = (HASH << 4) ^ (HASH >> 28) ^ CLASS_NAME[INDEX]; \ - } \ - \ - HASH = (HASH ^ (HASH >> 10) ^ (HASH >> 20)) & CLASS_TABLE_MASK; - -/* Setup the table. */ -static void -class_table_setup (void) -{ - /* Start - nothing in the table. */ - memset (class_table_array, 0, sizeof (class_node_ptr) * CLASS_TABLE_SIZE); - - /* The table writing mutex. */ - __class_table_lock = objc_mutex_allocate (); -} - - -/* Insert a class in the table (used when a new class is - registered). */ -static void -class_table_insert (const char *class_name, Class class_pointer) -{ - int hash, length; - class_node_ptr new_node; - - /* Find out the class name's hash and length. */ - CLASS_TABLE_HASH (length, hash, class_name); - - /* Prepare the new node holding the class. */ - new_node = objc_malloc (sizeof (struct class_node)); - new_node->name = class_name; - new_node->length = length; - new_node->pointer = class_pointer; - - /* Lock the table for modifications. */ - objc_mutex_lock (__class_table_lock); - - /* Insert the new node in the table at the beginning of the table at - class_table_array[hash]. */ - new_node->next = class_table_array[hash]; - class_table_array[hash] = new_node; - - objc_mutex_unlock (__class_table_lock); -} - -/* Get a class from the table. This does not need mutex protection. - Currently, this function is called each time you call a static - method, this is why it must be very fast. */ -static inline Class -class_table_get_safe (const char *class_name) -{ - class_node_ptr node; - int length, hash; - - /* Compute length and hash. */ - CLASS_TABLE_HASH (length, hash, class_name); - - node = class_table_array[hash]; - - if (node != NULL) - { - do - { - if (node->length == length) - { - /* Compare the class names. */ - int i; - - for (i = 0; i < length; i++) - { - if ((node->name)[i] != class_name[i]) - break; - } - - if (i == length) - { - /* They are equal! */ - return node->pointer; - } - } - } - while ((node = node->next) != NULL); - } - - return Nil; -} - -/* Enumerate over the class table. */ -struct class_table_enumerator -{ - int hash; - class_node_ptr node; -}; - - -static Class -class_table_next (struct class_table_enumerator **e) -{ - struct class_table_enumerator *enumerator = *e; - class_node_ptr next; - - if (enumerator == NULL) - { - *e = objc_malloc (sizeof (struct class_table_enumerator)); - enumerator = *e; - enumerator->hash = 0; - enumerator->node = NULL; - - next = class_table_array[enumerator->hash]; - } - else - next = enumerator->node->next; - - if (next != NULL) - { - enumerator->node = next; - return enumerator->node->pointer; - } - else - { - enumerator->hash++; - - while (enumerator->hash < CLASS_TABLE_SIZE) - { - next = class_table_array[enumerator->hash]; - if (next != NULL) - { - enumerator->node = next; - return enumerator->node->pointer; - } - enumerator->hash++; - } - - /* Ok - table finished - done. */ - objc_free (enumerator); - return Nil; - } -} - -#if 0 /* DEBUGGING FUNCTIONS */ -/* Debugging function - print the class table. */ -void -class_table_print (void) -{ - int i; - - for (i = 0; i < CLASS_TABLE_SIZE; i++) - { - class_node_ptr node; - - printf ("%d:\n", i); - node = class_table_array[i]; - - while (node != NULL) - { - printf ("\t%s\n", node->name); - node = node->next; - } - } -} - -/* Debugging function - print an histogram of number of classes in - function of hash key values. Useful to evaluate the hash function - in real cases. */ -void -class_table_print_histogram (void) -{ - int i, j; - int counter = 0; - - for (i = 0; i < CLASS_TABLE_SIZE; i++) - { - class_node_ptr node; - - node = class_table_array[i]; - - while (node != NULL) - { - counter++; - node = node->next; - } - if (((i + 1) % 50) == 0) - { - printf ("%4d:", i + 1); - for (j = 0; j < counter; j++) - printf ("X"); - - printf ("\n"); - counter = 0; - } - } - printf ("%4d:", i + 1); - for (j = 0; j < counter; j++) - printf ("X"); - - printf ("\n"); -} -#endif /* DEBUGGING FUNCTIONS */ - -/** - ** Objective-C runtime functions - **/ - -/* From now on, the only access to the class table data structure - should be via the class_table_* functions. */ - -/* This is a hook which is called by objc_get_class and - objc_lookup_class if the runtime is not able to find the class. - This may e.g. try to load in the class using dynamic loading. - - This hook was a public, global variable in the Traditional GNU - Objective-C Runtime API (objc/objc-api.h). The modern GNU - Objective-C Runtime API (objc/runtime.h) provides the - objc_setGetUnknownClassHandler() function instead. -*/ -Class (*_objc_lookup_class) (const char *name) = 0; /* !T:SAFE */ - -/* The handler currently in use. PS: if both - __obj_get_unknown_class_handler and _objc_lookup_class are defined, - __objc_get_unknown_class_handler is called first. */ -static objc_get_unknown_class_handler -__objc_get_unknown_class_handler = NULL; - -objc_get_unknown_class_handler -objc_setGetUnknownClassHandler (objc_get_unknown_class_handler - new_handler) -{ - objc_get_unknown_class_handler old_handler - = __objc_get_unknown_class_handler; - __objc_get_unknown_class_handler = new_handler; - return old_handler; -} - - -/* True when class links has been resolved. */ -BOOL __objc_class_links_resolved = NO; /* !T:UNUSED */ - - -void -__objc_init_class_tables (void) -{ - /* Allocate the class hash table. */ - - if (__class_table_lock) - return; - - objc_mutex_lock (__objc_runtime_mutex); - - class_table_setup (); - - objc_mutex_unlock (__objc_runtime_mutex); -} - -/* This function adds a class to the class hash table, and assigns the - class a number, unless it's already known. Return 'YES' if the - class was added. Return 'NO' if the class was already known. */ -BOOL -__objc_add_class_to_hash (Class class) -{ - Class existing_class; - - objc_mutex_lock (__objc_runtime_mutex); - - /* Make sure the table is there. */ - assert (__class_table_lock); - - /* Make sure it's not a meta class. */ - assert (CLS_ISCLASS (class)); - - /* Check to see if the class is already in the hash table. */ - existing_class = class_table_get_safe (class->name); - - if (existing_class) - { - objc_mutex_unlock (__objc_runtime_mutex); - return NO; - } - else - { - /* The class isn't in the hash table. Add the class and assign - a class number. */ - static unsigned int class_number = 1; - - CLS_SETNUMBER (class, class_number); - CLS_SETNUMBER (class->class_pointer, class_number); - - ++class_number; - class_table_insert (class->name, class); - - objc_mutex_unlock (__objc_runtime_mutex); - return YES; - } -} - -Class -objc_getClass (const char *name) -{ - Class class; - - if (name == NULL) - return Nil; - - class = class_table_get_safe (name); - - if (class) - return class; - - if (__objc_get_unknown_class_handler) - return (*__objc_get_unknown_class_handler) (name); - - if (_objc_lookup_class) - return (*_objc_lookup_class) (name); - - return Nil; -} - -Class -objc_lookUpClass (const char *name) -{ - if (name == NULL) - return Nil; - else - return class_table_get_safe (name); -} - -Class -objc_getMetaClass (const char *name) -{ - Class class = objc_getClass (name); - - if (class) - return class->class_pointer; - else - return Nil; -} - -Class -objc_getRequiredClass (const char *name) -{ - Class class = objc_getClass (name); - - if (class) - return class; - else - _objc_abort ("objc_getRequiredClass ('%s') failed: class not found\n", name); -} - -int -objc_getClassList (Class *returnValue, int maxNumberOfClassesToReturn) -{ - /* Iterate over all entries in the table. */ - int hash, count = 0; - - for (hash = 0; hash < CLASS_TABLE_SIZE; hash++) - { - class_node_ptr node = class_table_array[hash]; - - while (node != NULL) - { - if (returnValue) - { - if (count < maxNumberOfClassesToReturn) - returnValue[count] = node->pointer; - else - return count; - } - count++; - node = node->next; - } - } - - return count; -} - -Class -objc_allocateClassPair (Class super_class, const char *class_name, size_t extraBytes) -{ - Class new_class; - Class new_meta_class; - - if (class_name == NULL) - return Nil; - - if (objc_getClass (class_name)) - return Nil; - - if (super_class) - { - /* If you want to build a hierarchy of classes, you need to - build and register them one at a time. The risk is that you - are able to cause confusion by registering a subclass before - the superclass or similar. */ - if (CLS_IS_IN_CONSTRUCTION (super_class)) - return Nil; - } - - /* Technically, we should create the metaclass first, then use - class_createInstance() to create the class. That complication - would be relevant if we had class variables, but we don't, so we - just ignore it and create everything directly and assume all - classes have the same size. */ - new_class = objc_calloc (1, sizeof (struct objc_class) + extraBytes); - new_meta_class = objc_calloc (1, sizeof (struct objc_class) + extraBytes); - - /* We create an unresolved class, similar to one generated by the - compiler. It will be resolved later when we register it. - - Note how the metaclass details are not that important; when the - class is resolved, the ones that matter will be fixed up. */ - new_class->class_pointer = new_meta_class; - new_meta_class->class_pointer = 0; - - if (super_class) - { - /* Force the name of the superclass in place of the link to the - actual superclass, which will be put there when the class is - resolved. */ - const char *super_class_name = class_getName (super_class); - new_class->super_class = (void *)super_class_name; - new_meta_class->super_class = (void *)super_class_name; - } - else - { - new_class->super_class = (void *)0; - new_meta_class->super_class = (void *)0; - } - - new_class->name = objc_malloc (strlen (class_name) + 1); - strcpy ((char*)new_class->name, class_name); - new_meta_class->name = new_class->name; - - new_class->version = 0; - new_meta_class->version = 0; - - new_class->info = _CLS_CLASS | _CLS_IN_CONSTRUCTION; - new_meta_class->info = _CLS_META | _CLS_IN_CONSTRUCTION; - - if (super_class) - new_class->instance_size = super_class->instance_size; - else - new_class->instance_size = 0; - new_meta_class->instance_size = sizeof (struct objc_class); - - return new_class; -} - -void -objc_registerClassPair (Class class_) -{ - if (class_ == Nil) - return; - - if ((! CLS_ISCLASS (class_)) || (! CLS_IS_IN_CONSTRUCTION (class_))) - return; - - if ((! CLS_ISMETA (class_->class_pointer)) || (! CLS_IS_IN_CONSTRUCTION (class_->class_pointer))) - return; - - objc_mutex_lock (__objc_runtime_mutex); - - if (objc_getClass (class_->name)) - { - objc_mutex_unlock (__objc_runtime_mutex); - return; - } - - CLS_SET_NOT_IN_CONSTRUCTION (class_); - CLS_SET_NOT_IN_CONSTRUCTION (class_->class_pointer); - - __objc_init_class (class_); - - /* Resolve class links immediately. No point in waiting. */ - __objc_resolve_class_links (); - - objc_mutex_unlock (__objc_runtime_mutex); -} - -void -objc_disposeClassPair (Class class_) -{ - if (class_ == Nil) - return; - - if ((! CLS_ISCLASS (class_)) || (! CLS_IS_IN_CONSTRUCTION (class_))) - return; - - if ((! CLS_ISMETA (class_->class_pointer)) || (! CLS_IS_IN_CONSTRUCTION (class_->class_pointer))) - return; - - /* Undo any class_addIvar(). */ - if (class_->ivars) - { - int i; - for (i = 0; i < class_->ivars->ivar_count; i++) - { - struct objc_ivar *ivar = &(class_->ivars->ivar_list[i]); - - objc_free ((char *)ivar->ivar_name); - objc_free ((char *)ivar->ivar_type); - } - - objc_free (class_->ivars); - } - - /* Undo any class_addMethod(). */ - if (class_->methods) - { - struct objc_method_list *list = class_->methods; - while (list) - { - int i; - struct objc_method_list *next = list->method_next; - - for (i = 0; i < list->method_count; i++) - { - struct objc_method *method = &(list->method_list[i]); - - objc_free ((char *)method->method_name); - objc_free ((char *)method->method_types); - } - - objc_free (list); - list = next; - } - } - - /* Undo any class_addProtocol(). */ - if (class_->protocols) - { - struct objc_protocol_list *list = class_->protocols; - while (list) - { - struct objc_protocol_list *next = list->next; - - objc_free (list); - list = next; - } - } - - /* Undo any class_addMethod() on the meta-class. */ - if (class_->class_pointer->methods) - { - struct objc_method_list *list = class_->class_pointer->methods; - while (list) - { - int i; - struct objc_method_list *next = list->method_next; - - for (i = 0; i < list->method_count; i++) - { - struct objc_method *method = &(list->method_list[i]); - - objc_free ((char *)method->method_name); - objc_free ((char *)method->method_types); - } - - objc_free (list); - list = next; - } - } - - /* Undo objc_allocateClassPair(). */ - objc_free ((char *)(class_->name)); - objc_free (class_->class_pointer); - objc_free (class_); -} - -/* Traditional GNU Objective-C Runtime API. Important: this method is - called automatically by the compiler while messaging (if using the - traditional ABI), so it is worth keeping it fast; don't make it - just a wrapper around objc_getClass(). */ -/* Note that this is roughly equivalent to objc_getRequiredClass(). */ -/* Get the class object for the class named NAME. If NAME does not - identify a known class, the hook _objc_lookup_class is called. If - this fails, an error message is issued and the system aborts. */ -Class -objc_get_class (const char *name) -{ - Class class; - - class = class_table_get_safe (name); - - if (class) - return class; - - if (__objc_get_unknown_class_handler) - class = (*__objc_get_unknown_class_handler) (name); - - if ((!class) && _objc_lookup_class) - class = (*_objc_lookup_class) (name); - - if (class) - return class; - - _objc_abort ("objc runtime: cannot find class %s\n", name); - - return 0; -} - -/* This is used by the compiler too. */ -Class -objc_get_meta_class (const char *name) -{ - return objc_get_class (name)->class_pointer; -} - -/* This is not used by GCC, but the clang compiler seems to use it - when targetting the GNU runtime. That's wrong, but we have it to - be compatible. */ -Class -objc_lookup_class (const char *name) -{ - return objc_getClass (name); -} - -/* This is used when the implementation of a method changes. It goes - through all classes, looking for the ones that have these methods - (either method_a or method_b; method_b can be NULL), and reloads - the implementation for these. You should call this with the - runtime mutex already locked. */ -void -__objc_update_classes_with_methods (struct objc_method *method_a, struct objc_method *method_b) -{ - int hash; - - /* Iterate over all classes. */ - for (hash = 0; hash < CLASS_TABLE_SIZE; hash++) - { - class_node_ptr node = class_table_array[hash]; - - while (node != NULL) - { - /* We execute this loop twice: the first time, we iterate - over all methods in the class (instance methods), while - the second time we iterate over all methods in the meta - class (class methods). */ - Class class = Nil; - BOOL done = NO; - - while (done == NO) - { - struct objc_method_list * method_list; - - if (class == Nil) - { - /* The first time, we work on the class. */ - class = node->pointer; - } - else - { - /* The second time, we work on the meta class. */ - class = class->class_pointer; - done = YES; - } - - method_list = class->methods; - - while (method_list) - { - int i; - - for (i = 0; i < method_list->method_count; ++i) - { - struct objc_method *method = &method_list->method_list[i]; - - /* If the method is one of the ones we are - looking for, update the implementation. */ - if (method == method_a) - sarray_at_put_safe (class->dtable, - (sidx) method_a->method_name->sel_id, - method_a->method_imp); - - if (method == method_b) - { - if (method_b != NULL) - sarray_at_put_safe (class->dtable, - (sidx) method_b->method_name->sel_id, - method_b->method_imp); - } - } - - method_list = method_list->method_next; - } - } - node = node->next; - } - } -} - -/* Resolve super/subclass links for all classes. The only thing we - can be sure of is that the class_pointer for class objects point to - the right meta class objects. */ -void -__objc_resolve_class_links (void) -{ - struct class_table_enumerator *es = NULL; - Class object_class = objc_get_class ("Object"); - Class class1; - - assert (object_class); - - objc_mutex_lock (__objc_runtime_mutex); - - /* Assign subclass links. */ - while ((class1 = class_table_next (&es))) - { - /* Make sure we have what we think we have. */ - assert (CLS_ISCLASS (class1)); - assert (CLS_ISMETA (class1->class_pointer)); - - /* The class_pointer of all meta classes point to Object's meta - class. */ - class1->class_pointer->class_pointer = object_class->class_pointer; - - if (! CLS_ISRESOLV (class1)) - { - CLS_SETRESOLV (class1); - CLS_SETRESOLV (class1->class_pointer); - - if (class1->super_class) - { - Class a_super_class - = objc_get_class ((char *) class1->super_class); - - assert (a_super_class); - - DEBUG_PRINTF ("making class connections for: %s\n", - class1->name); - - /* Assign subclass links for superclass. */ - class1->sibling_class = a_super_class->subclass_list; - a_super_class->subclass_list = class1; - - /* Assign subclass links for meta class of superclass. */ - if (a_super_class->class_pointer) - { - class1->class_pointer->sibling_class - = a_super_class->class_pointer->subclass_list; - a_super_class->class_pointer->subclass_list - = class1->class_pointer; - } - } - else /* A root class, make its meta object be a subclass of - Object. */ - { - class1->class_pointer->sibling_class - = object_class->subclass_list; - object_class->subclass_list = class1->class_pointer; - } - } - } - - /* Assign superclass links. */ - es = NULL; - while ((class1 = class_table_next (&es))) - { - Class sub_class; - for (sub_class = class1->subclass_list; sub_class; - sub_class = sub_class->sibling_class) - { - sub_class->super_class = class1; - if (CLS_ISCLASS (sub_class)) - sub_class->class_pointer->super_class = class1->class_pointer; - } - } - - objc_mutex_unlock (__objc_runtime_mutex); -} - -const char * -class_getName (Class class_) -{ - if (class_ == Nil) - return "nil"; - - return class_->name; -} - -BOOL -class_isMetaClass (Class class_) -{ - /* CLS_ISMETA includes the check for Nil class_. */ - return CLS_ISMETA (class_); -} - -/* Even inside libobjc it may be worth using class_getSuperclass - instead of accessing class_->super_class directly because it - resolves the class links if needed. If you access - class_->super_class directly, make sure to deal with the situation - where the class is not resolved yet! */ -Class -class_getSuperclass (Class class_) -{ - if (class_ == Nil) - return Nil; - - /* Classes that are in construction are not resolved, and still have - the class name (instead of a class pointer) in the - class_->super_class field. In that case we need to lookup the - superclass name to return the superclass. We can not resolve the - class until it is registered. */ - if (CLS_IS_IN_CONSTRUCTION (class_)) - { - if (CLS_ISMETA (class_)) - return object_getClass ((id)objc_lookUpClass ((const char *)(class_->super_class))); - else - return objc_lookUpClass ((const char *)(class_->super_class)); - } - - /* If the class is not resolved yet, super_class would point to a - string (the name of the super class) as opposed to the actual - super class. In that case, we need to resolve the class links - before we can return super_class. */ - if (! CLS_ISRESOLV (class_)) - __objc_resolve_class_links (); - - return class_->super_class; -} - -int -class_getVersion (Class class_) -{ - if (class_ == Nil) - return 0; - - return (int)(class_->version); -} - -void -class_setVersion (Class class_, int version) -{ - if (class_ == Nil) - return; - - class_->version = version; -} - -size_t -class_getInstanceSize (Class class_) -{ - if (class_ == Nil) - return 0; - - return class_->instance_size; -} - diff --git a/gcc-4.7/libobjc/config.h.in b/gcc-4.7/libobjc/config.h.in deleted file mode 100644 index c055e7c19..000000000 --- a/gcc-4.7/libobjc/config.h.in +++ /dev/null @@ -1,71 +0,0 @@ -/* config.h.in. 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See the -GNU General Public License for more details. - -Under Section 7 of GPL version 3, you are granted additional -permissions described in the GCC Runtime Library Exception, version -3.1, as published by the Free Software Foundation. - -You should have received a copy of the GNU General Public License and -a copy of the GCC Runtime Library Exception along with this program; -see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -. */ - -/* FIXME: This file has no business including tm.h. */ - -/* FIXME: This file contains functions that will abort the entire - program if they fail. Is that really needed ? */ - -#include "objc-private/common.h" -#include "objc-private/error.h" -#include "tconfig.h" -#include "coretypes.h" -#include "tm.h" -#include "objc/runtime.h" -#include "objc-private/module-abi-8.h" /* For struct objc_method */ -#include -#include -#include /* For memcpy. */ - -#undef MAX -#define MAX(X, Y) \ - ({ typeof (X) __x = (X), __y = (Y); \ - (__x > __y ? __x : __y); }) - -#undef MIN -#define MIN(X, Y) \ - ({ typeof (X) __x = (X), __y = (Y); \ - (__x < __y ? __x : __y); }) - -#undef ROUND -#define ROUND(V, A) \ - ({ typeof (V) __v = (V); typeof (A) __a = (A); \ - __a * ((__v+__a - 1)/__a); }) - - -/* Various hacks for objc_layout_record. These are used by the target - macros. */ - -#define TREE_CODE(TYPE) *(TYPE) -#define TREE_TYPE(TREE) (TREE) - -#define RECORD_TYPE _C_STRUCT_B -#define UNION_TYPE _C_UNION_B -#define QUAL_UNION_TYPE _C_UNION_B -#define ARRAY_TYPE _C_ARY_B - -#define REAL_TYPE _C_DBL - -#define VECTOR_TYPE _C_VECTOR - -#define TYPE_FIELDS(TYPE) ({const char *_field = (TYPE)+1; \ - while (*_field != _C_STRUCT_E && *_field != _C_STRUCT_B \ - && *_field != _C_UNION_B && *_field++ != '=') \ - /* do nothing */; \ - _field;}) - -#define DECL_MODE(TYPE) *(TYPE) -#define TYPE_MODE(TYPE) *(TYPE) - -#define DFmode _C_DBL - -#define strip_array_types(TYPE) ({const char *_field = (TYPE); \ - while (*_field == _C_ARY_B)\ - {\ - while (isdigit ((unsigned char)*++_field))\ - ;\ - }\ - _field;}) - -/* Some ports (eg ARM) allow the structure size boundary to be - selected at compile-time. We override the normal definition with - one that has a constant value for this compilation. */ -#ifndef BITS_PER_UNIT -#define BITS_PER_UNIT 8 -#endif -#undef STRUCTURE_SIZE_BOUNDARY -#define STRUCTURE_SIZE_BOUNDARY (BITS_PER_UNIT * sizeof (struct{char a;})) - -/* Some ROUND_TYPE_ALIGN macros use TARGET_foo, and consequently - target_flags. Define a dummy entry here to so we don't die. - We have to rename it because target_flags may already have been - declared extern. */ -#define target_flags not_target_flags -static int __attribute__ ((__unused__)) not_target_flags = 0; - -/* Some ROUND_TYPE_ALIGN use ALTIVEC_VECTOR_MODE (rs6000 darwin). - Define a dummy ALTIVEC_VECTOR_MODE so it will not die. */ -#undef ALTIVEC_VECTOR_MODE -#define ALTIVEC_VECTOR_MODE(MODE) (0) - -/* Furthermore, some (powerpc) targets also use TARGET_ALIGN_NATURAL - in their alignment macros. Currently[4.5/6], rs6000.h points this - to a static variable, initialized by target overrides. This is reset - in linux64.h but not in darwin64.h. The macro is not used by *86*. */ - -#if __MACH__ -# if __LP64__ -# undef TARGET_ALIGN_NATURAL -# define TARGET_ALIGN_NATURAL 1 -# endif - -/* On Darwin32, we need to recurse until we find the starting stuct type. */ -static int -_darwin_rs6000_special_round_type_align (const char *struc, int comp, int spec) -{ - const char *_stp , *_fields = TYPE_FIELDS (struc); - if (!_fields) - return MAX (comp, spec); - _stp = strip_array_types (_fields); - if (TYPE_MODE(_stp) == _C_COMPLEX) - _stp++; - switch (TYPE_MODE(_stp)) - { - case RECORD_TYPE: - case UNION_TYPE: - return MAX (MAX (comp, spec), objc_alignof_type (_stp) * BITS_PER_UNIT); - break; - case DFmode: - case _C_LNG_LNG: - case _C_ULNG_LNG: - return MAX (MAX (comp, spec), 64); - break; - - default: - return MAX (comp, spec); - break; - } -} - -/* See comment below. */ -#define darwin_rs6000_special_round_type_align(S,C,S2) \ - (_darwin_rs6000_special_round_type_align ((char*)(S), (int)(C), (int)(S2))) -#endif - -/* FIXME: while this file has no business including tm.h, this - definitely has no business defining this macro but it - is only way around without really rewritting this file, - should look after the branch of 3.4 to fix this. */ -#define rs6000_special_round_type_align(STRUCT, COMPUTED, SPECIFIED) \ - ({ const char *_fields = TYPE_FIELDS (STRUCT); \ - ((_fields != 0 \ - && TYPE_MODE (strip_array_types (TREE_TYPE (_fields))) == DFmode) \ - ? MAX (MAX (COMPUTED, SPECIFIED), 64) \ - : MAX (COMPUTED, SPECIFIED));}) - - -/* Skip a variable name, enclosed in quotes ("). */ -static inline -const char * -objc_skip_variable_name (const char *type) -{ - /* Skip the variable name if any. */ - if (*type == '"') - { - /* FIXME: How do we know we won't read beyond the end of the - string. Here and in the rest of the file! */ - /* Skip '"'. */ - type++; - /* Skip to the next '"'. */ - while (*type != '"') - type++; - /* Skip '"'. */ - type++; - } - - return type; -} - -int -objc_sizeof_type (const char *type) -{ - type = objc_skip_variable_name (type); - - switch (*type) { - case _C_BOOL: - return sizeof (_Bool); - break; - - case _C_ID: - return sizeof (id); - break; - - case _C_CLASS: - return sizeof (Class); - break; - - case _C_SEL: - return sizeof (SEL); - break; - - case _C_CHR: - return sizeof (char); - break; - - case _C_UCHR: - return sizeof (unsigned char); - break; - - case _C_SHT: - return sizeof (short); - break; - - case _C_USHT: - return sizeof (unsigned short); - break; - - case _C_INT: - return sizeof (int); - break; - - case _C_UINT: - return sizeof (unsigned int); - break; - - case _C_LNG: - return sizeof (long); - break; - - case _C_ULNG: - return sizeof (unsigned long); - break; - - case _C_LNG_LNG: - return sizeof (long long); - break; - - case _C_ULNG_LNG: - return sizeof (unsigned long long); - break; - - case _C_FLT: - return sizeof (float); - break; - - case _C_DBL: - return sizeof (double); - break; - - case _C_LNG_DBL: - return sizeof (long double); - break; - - case _C_VOID: - return sizeof (void); - break; - - case _C_PTR: - case _C_ATOM: - case _C_CHARPTR: - return sizeof (char *); - break; - - case _C_ARY_B: - { - int len = atoi (type + 1); - while (isdigit ((unsigned char)*++type)) - ; - return len * objc_aligned_size (type); - } - break; - - case _C_VECTOR: - { - /* Skip the '!'. */ - type++; - /* Skip the '['. */ - type++; - - /* The size in bytes is the following number. */ - int size = atoi (type); - return size; - } - break; - - case _C_BFLD: - { - /* The GNU encoding of bitfields is: b 'position' 'type' - 'size'. */ - int position, size; - int startByte, endByte; - - position = atoi (type + 1); - while (isdigit ((unsigned char)*++type)) - ; - size = atoi (type + 1); - - startByte = position / BITS_PER_UNIT; - endByte = (position + size) / BITS_PER_UNIT; - return endByte - startByte; - } - - case _C_UNION_B: - case _C_STRUCT_B: - { - struct objc_struct_layout layout; - unsigned int size; - - objc_layout_structure (type, &layout); - while (objc_layout_structure_next_member (&layout)) - /* do nothing */ ; - objc_layout_finish_structure (&layout, &size, NULL); - - return size; - } - - case _C_COMPLEX: - { - type++; /* Skip after the 'j'. */ - switch (*type) - { - case _C_CHR: - return sizeof (_Complex char); - break; - - case _C_UCHR: - return sizeof (_Complex unsigned char); - break; - - case _C_SHT: - return sizeof (_Complex short); - break; - - case _C_USHT: - return sizeof (_Complex unsigned short); - break; - - case _C_INT: - return sizeof (_Complex int); - break; - - case _C_UINT: - return sizeof (_Complex unsigned int); - break; - - case _C_LNG: - return sizeof (_Complex long); - break; - - case _C_ULNG: - return sizeof (_Complex unsigned long); - break; - - case _C_LNG_LNG: - return sizeof (_Complex long long); - break; - - case _C_ULNG_LNG: - return sizeof (_Complex unsigned long long); - break; - - case _C_FLT: - return sizeof (_Complex float); - break; - - case _C_DBL: - return sizeof (_Complex double); - break; - - case _C_LNG_DBL: - return sizeof (_Complex long double); - break; - - default: - { - /* FIXME: Is this so bad that we have to abort the - entire program ? (it applies to all the other - _objc_abort calls in this file). - */ - _objc_abort ("unknown complex type %s\n", type); - return 0; - } - } - } - - default: - { - _objc_abort ("unknown type %s\n", type); - return 0; - } - } -} - -int -objc_alignof_type (const char *type) -{ - type = objc_skip_variable_name (type); - - switch (*type) { - case _C_BOOL: - return __alignof__ (_Bool); - break; - - case _C_ID: - return __alignof__ (id); - break; - - case _C_CLASS: - return __alignof__ (Class); - break; - - case _C_SEL: - return __alignof__ (SEL); - break; - - case _C_CHR: - return __alignof__ (char); - break; - - case _C_UCHR: - return __alignof__ (unsigned char); - break; - - case _C_SHT: - return __alignof__ (short); - break; - - case _C_USHT: - return __alignof__ (unsigned short); - break; - - case _C_INT: - return __alignof__ (int); - break; - - case _C_UINT: - return __alignof__ (unsigned int); - break; - - case _C_LNG: - return __alignof__ (long); - break; - - case _C_ULNG: - return __alignof__ (unsigned long); - break; - - case _C_LNG_LNG: - return __alignof__ (long long); - break; - - case _C_ULNG_LNG: - return __alignof__ (unsigned long long); - break; - - case _C_FLT: - return __alignof__ (float); - break; - - case _C_DBL: - return __alignof__ (double); - break; - - case _C_LNG_DBL: - return __alignof__ (long double); - break; - - case _C_PTR: - case _C_ATOM: - case _C_CHARPTR: - return __alignof__ (char *); - break; - - case _C_ARY_B: - while (isdigit ((unsigned char)*++type)) - /* do nothing */; - return objc_alignof_type (type); - - case _C_VECTOR: - { - /* Skip the '!'. */ - type++; - /* Skip the '['. */ - type++; - - /* Skip the size. */ - while (isdigit ((unsigned char)*type)) - type++; - - /* Skip the ','. */ - type++; - - /* The alignment in bytes is the following number. */ - return atoi (type); - } - case _C_STRUCT_B: - case _C_UNION_B: - { - struct objc_struct_layout layout; - unsigned int align; - - objc_layout_structure (type, &layout); - while (objc_layout_structure_next_member (&layout)) - /* do nothing */; - objc_layout_finish_structure (&layout, NULL, &align); - - return align; - } - - - case _C_COMPLEX: - { - type++; /* Skip after the 'j'. */ - switch (*type) - { - case _C_CHR: - return __alignof__ (_Complex char); - break; - - case _C_UCHR: - return __alignof__ (_Complex unsigned char); - break; - - case _C_SHT: - return __alignof__ (_Complex short); - break; - - case _C_USHT: - return __alignof__ (_Complex unsigned short); - break; - - case _C_INT: - return __alignof__ (_Complex int); - break; - - case _C_UINT: - return __alignof__ (_Complex unsigned int); - break; - - case _C_LNG: - return __alignof__ (_Complex long); - break; - - case _C_ULNG: - return __alignof__ (_Complex unsigned long); - break; - - case _C_LNG_LNG: - return __alignof__ (_Complex long long); - break; - - case _C_ULNG_LNG: - return __alignof__ (_Complex unsigned long long); - break; - - case _C_FLT: - return __alignof__ (_Complex float); - break; - - case _C_DBL: - return __alignof__ (_Complex double); - break; - - case _C_LNG_DBL: - return __alignof__ (_Complex long double); - break; - - default: - { - _objc_abort ("unknown complex type %s\n", type); - return 0; - } - } - } - - default: - { - _objc_abort ("unknown type %s\n", type); - return 0; - } - } -} - -int -objc_aligned_size (const char *type) -{ - int size, align; - - type = objc_skip_variable_name (type); - size = objc_sizeof_type (type); - align = objc_alignof_type (type); - - return ROUND (size, align); -} - -int -objc_promoted_size (const char *type) -{ - int size, wordsize; - - type = objc_skip_variable_name (type); - size = objc_sizeof_type (type); - wordsize = sizeof (void *); - - return ROUND (size, wordsize); -} - -inline -const char * -objc_skip_type_qualifiers (const char *type) -{ - while (*type == _C_CONST - || *type == _C_IN - || *type == _C_INOUT - || *type == _C_OUT - || *type == _C_BYCOPY - || *type == _C_BYREF - || *type == _C_ONEWAY - || *type == _C_GCINVISIBLE) - { - type += 1; - } - return type; -} - -inline -const char * -objc_skip_typespec (const char *type) -{ - type = objc_skip_variable_name (type); - type = objc_skip_type_qualifiers (type); - - switch (*type) { - - case _C_ID: - /* An id may be annotated by the actual type if it is known - with the @"ClassName" syntax */ - - if (*++type != '"') - return type; - else - { - while (*++type != '"') - /* do nothing */; - return type + 1; - } - - /* The following are one character type codes */ - case _C_CLASS: - case _C_SEL: - case _C_CHR: - case _C_UCHR: - case _C_CHARPTR: - case _C_ATOM: - case _C_SHT: - case _C_USHT: - case _C_INT: - case _C_UINT: - case _C_LNG: - case _C_BOOL: - case _C_ULNG: - case _C_LNG_LNG: - case _C_ULNG_LNG: - case _C_FLT: - case _C_DBL: - case _C_LNG_DBL: - case _C_VOID: - case _C_UNDEF: - return ++type; - break; - - case _C_COMPLEX: - return type + 2; - break; - - case _C_ARY_B: - /* skip digits, typespec and closing ']' */ - while (isdigit ((unsigned char)*++type)) - ; - type = objc_skip_typespec (type); - if (*type == _C_ARY_E) - return ++type; - else - { - _objc_abort ("bad array type %s\n", type); - return 0; - } - - case _C_VECTOR: - /* Skip '!' */ - type++; - /* Skip '[' */ - type++; - /* Skip digits (size) */ - while (isdigit ((unsigned char)*type)) - type++; - /* Skip ',' */ - type++; - /* Skip digits (alignment) */ - while (isdigit ((unsigned char)*type)) - type++; - /* Skip typespec. */ - type = objc_skip_typespec (type); - /* Skip closing ']'. */ - if (*type == _C_ARY_E) - return ++type; - else - { - _objc_abort ("bad vector type %s\n", type); - return 0; - } - - case _C_BFLD: - /* The GNU encoding of bitfields is: b 'position' 'type' - 'size'. */ - while (isdigit ((unsigned char)*++type)) - ; /* skip position */ - while (isdigit ((unsigned char)*++type)) - ; /* skip type and size */ - return type; - - case _C_STRUCT_B: - /* skip name, and elements until closing '}' */ - - while (*type != _C_STRUCT_E && *type++ != '=') - ; - while (*type != _C_STRUCT_E) - { - type = objc_skip_typespec (type); - } - return ++type; - - case _C_UNION_B: - /* skip name, and elements until closing ')' */ - - while (*type != _C_UNION_E && *type++ != '=') - ; - while (*type != _C_UNION_E) - { - type = objc_skip_typespec (type); - } - return ++type; - - case _C_PTR: - /* Just skip the following typespec */ - - return objc_skip_typespec (++type); - - default: - { - _objc_abort ("unknown type %s\n", type); - return 0; - } - } -} - -inline -const char * -objc_skip_offset (const char *type) -{ - /* The offset is prepended by a '+' if the argument is passed in - registers. PS: The compiler stopped generating this '+' in - version 3.4. */ - if (*type == '+') - type++; - - /* Some people claim that on some platforms, where the stack grows - backwards, the compiler generates negative offsets (??). Skip a - '-' for such a negative offset. */ - if (*type == '-') - type++; - - /* Skip the digits that represent the offset. */ - while (isdigit ((unsigned char) *type)) - type++; - - return type; -} - -const char * -objc_skip_argspec (const char *type) -{ - type = objc_skip_typespec (type); - type = objc_skip_offset (type); - return type; -} - -char * -method_copyReturnType (struct objc_method *method) -{ - if (method == NULL) - return 0; - else - { - char *returnValue; - size_t returnValueSize; - - /* Determine returnValueSize. */ - { - /* Find the end of the first argument. We want to return the - first argument spec, plus 1 byte for the \0 at the end. */ - const char *type = method->method_types; - if (*type == '\0') - return NULL; - type = objc_skip_argspec (type); - returnValueSize = type - method->method_types + 1; - } - - /* Copy the first argument into returnValue. */ - returnValue = malloc (sizeof (char) * returnValueSize); - memcpy (returnValue, method->method_types, returnValueSize); - returnValue[returnValueSize - 1] = '\0'; - - return returnValue; - } -} - -char * -method_copyArgumentType (struct objc_method * method, unsigned int argumentNumber) -{ - if (method == NULL) - return 0; - else - { - char *returnValue; - const char *returnValueStart; - size_t returnValueSize; - - /* Determine returnValueStart and returnValueSize. */ - { - const char *type = method->method_types; - - /* Skip the first argument (return type). */ - type = objc_skip_argspec (type); - - /* Now keep skipping arguments until we get to - argumentNumber. */ - while (argumentNumber > 0) - { - /* We are supposed to skip an argument, but the string is - finished. This means we were asked for a non-existing - argument. */ - if (*type == '\0') - return NULL; - - type = objc_skip_argspec (type); - argumentNumber--; - } - - /* If the argument does not exist, return NULL. */ - if (*type == '\0') - return NULL; - - returnValueStart = type; - type = objc_skip_argspec (type); - returnValueSize = type - returnValueStart + 1; - } - - /* Copy the argument into returnValue. */ - returnValue = malloc (sizeof (char) * returnValueSize); - memcpy (returnValue, returnValueStart, returnValueSize); - returnValue[returnValueSize - 1] = '\0'; - - return returnValue; - } -} - -void method_getReturnType (struct objc_method * method, char *returnValue, - size_t returnValueSize) -{ - if (returnValue == NULL || returnValueSize == 0) - return; - - /* Zero the string; we'll then write the argument type at the - beginning of it, if needed. */ - memset (returnValue, 0, returnValueSize); - - if (method == NULL) - return; - else - { - size_t argumentTypeSize; - - /* Determine argumentTypeSize. */ - { - /* Find the end of the first argument. We want to return the - first argument spec. */ - const char *type = method->method_types; - if (*type == '\0') - return; - type = objc_skip_argspec (type); - argumentTypeSize = type - method->method_types; - if (argumentTypeSize > returnValueSize) - argumentTypeSize = returnValueSize; - } - /* Copy the argument at the beginning of the string. */ - memcpy (returnValue, method->method_types, argumentTypeSize); - } -} - -void method_getArgumentType (struct objc_method * method, unsigned int argumentNumber, - char *returnValue, size_t returnValueSize) -{ - if (returnValue == NULL || returnValueSize == 0) - return; - - /* Zero the string; we'll then write the argument type at the - beginning of it, if needed. */ - memset (returnValue, 0, returnValueSize); - - if (method == NULL) - return; - else - { - const char *returnValueStart; - size_t argumentTypeSize; - - /* Determine returnValueStart and argumentTypeSize. */ - { - const char *type = method->method_types; - - /* Skip the first argument (return type). */ - type = objc_skip_argspec (type); - - /* Now keep skipping arguments until we get to - argumentNumber. */ - while (argumentNumber > 0) - { - /* We are supposed to skip an argument, but the string is - finished. This means we were asked for a non-existing - argument. */ - if (*type == '\0') - return; - - type = objc_skip_argspec (type); - argumentNumber--; - } - - /* If the argument does not exist, it's game over. */ - if (*type == '\0') - return; - - returnValueStart = type; - type = objc_skip_argspec (type); - argumentTypeSize = type - returnValueStart; - if (argumentTypeSize > returnValueSize) - argumentTypeSize = returnValueSize; - } - /* Copy the argument at the beginning of the string. */ - memcpy (returnValue, returnValueStart, argumentTypeSize); - } -} - -unsigned int -method_getNumberOfArguments (struct objc_method *method) -{ - if (method == NULL) - return 0; - else - { - unsigned int i = 0; - const char *type = method->method_types; - while (*type) - { - type = objc_skip_argspec (type); - i += 1; - } - - if (i == 0) - { - /* This could only happen if method_types is invalid; in - that case, return 0. */ - return 0; - } - else - { - /* Remove the return type. */ - return (i - 1); - } - } -} - -unsigned -objc_get_type_qualifiers (const char *type) -{ - unsigned res = 0; - BOOL flag = YES; - - while (flag) - switch (*type++) - { - case _C_CONST: res |= _F_CONST; break; - case _C_IN: res |= _F_IN; break; - case _C_INOUT: res |= _F_INOUT; break; - case _C_OUT: res |= _F_OUT; break; - case _C_BYCOPY: res |= _F_BYCOPY; break; - case _C_BYREF: res |= _F_BYREF; break; - case _C_ONEWAY: res |= _F_ONEWAY; break; - case _C_GCINVISIBLE: res |= _F_GCINVISIBLE; break; - default: flag = NO; - } - - return res; -} - -/* The following three functions can be used to determine how a - structure is laid out by the compiler. For example: - - struct objc_struct_layout layout; - int i; - - objc_layout_structure (type, &layout); - while (objc_layout_structure_next_member (&layout)) - { - int position, align; - const char *type; - - objc_layout_structure_get_info (&layout, &position, &align, &type); - printf ("element %d has offset %d, alignment %d\n", - i++, position, align); - } - - These functions are used by objc_sizeof_type and objc_alignof_type - functions to compute the size and alignment of structures. The - previous method of computing the size and alignment of a structure - was not working on some architectures, particulary on AIX, and in - the presence of bitfields inside the structure. */ -void -objc_layout_structure (const char *type, - struct objc_struct_layout *layout) -{ - const char *ntype; - - if (*type != _C_UNION_B && *type != _C_STRUCT_B) - { - _objc_abort ("record (or union) type expected in objc_layout_structure, got %s\n", - type); - } - - type ++; - layout->original_type = type; - - /* Skip "=" if any. Avoid embedded structures and unions. */ - ntype = type; - while (*ntype != _C_STRUCT_E && *ntype != _C_STRUCT_B && *ntype != _C_UNION_B - && *ntype++ != '=') - /* do nothing */; - - /* If there's a "=", ntype - 1 points to '='; skip the the name */ - if (*(ntype - 1) == '=') - type = ntype; - - layout->type = type; - layout->prev_type = NULL; - layout->record_size = 0; - layout->record_align = BITS_PER_UNIT; - - layout->record_align = MAX (layout->record_align, STRUCTURE_SIZE_BOUNDARY); -} - -BOOL -objc_layout_structure_next_member (struct objc_struct_layout *layout) -{ - register int desired_align = 0; - - /* The following are used only if the field is a bitfield */ - register const char *bfld_type = 0; - register int bfld_type_align = 0, bfld_field_size = 0; - - /* The current type without the type qualifiers */ - const char *type; - BOOL unionp = layout->original_type[-1] == _C_UNION_B; - - /* Add the size of the previous field to the size of the record. */ - if (layout->prev_type) - { - type = objc_skip_type_qualifiers (layout->prev_type); - if (unionp) - layout->record_size = MAX (layout->record_size, - objc_sizeof_type (type) * BITS_PER_UNIT); - - else if (*type != _C_BFLD) - layout->record_size += objc_sizeof_type (type) * BITS_PER_UNIT; - else { - /* Get the bitfield's type */ - for (bfld_type = type + 1; - isdigit ((unsigned char)*bfld_type); - bfld_type++) - /* do nothing */; - - bfld_type_align = objc_alignof_type (bfld_type) * BITS_PER_UNIT; - bfld_field_size = atoi (objc_skip_typespec (bfld_type)); - layout->record_size += bfld_field_size; - } - } - - if ((unionp && *layout->type == _C_UNION_E) - || (!unionp && *layout->type == _C_STRUCT_E)) - return NO; - - /* Skip the variable name if any */ - layout->type = objc_skip_variable_name (layout->type); - type = objc_skip_type_qualifiers (layout->type); - - if (*type != _C_BFLD) - desired_align = objc_alignof_type (type) * BITS_PER_UNIT; - else - { - desired_align = 1; - /* Skip the bitfield's offset */ - for (bfld_type = type + 1; - isdigit ((unsigned char) *bfld_type); - bfld_type++) - /* do nothing */; - - bfld_type_align = objc_alignof_type (bfld_type) * BITS_PER_UNIT; - bfld_field_size = atoi (objc_skip_typespec (bfld_type)); - } - - /* The following won't work for vectors. */ -#ifdef BIGGEST_FIELD_ALIGNMENT - desired_align = MIN (desired_align, BIGGEST_FIELD_ALIGNMENT); -#endif -#ifdef ADJUST_FIELD_ALIGN - desired_align = ADJUST_FIELD_ALIGN (type, desired_align); -#endif - - /* Record must have at least as much alignment as any field. - Otherwise, the alignment of the field within the record - is meaningless. */ -#ifndef PCC_BITFIELD_TYPE_MATTERS - layout->record_align = MAX (layout->record_align, desired_align); -#else /* PCC_BITFIELD_TYPE_MATTERS */ - if (*type == _C_BFLD) - { - /* For these machines, a zero-length field does not - affect the alignment of the structure as a whole. - It does, however, affect the alignment of the next field - within the structure. */ - if (bfld_field_size) - layout->record_align = MAX (layout->record_align, desired_align); - else - desired_align = objc_alignof_type (bfld_type) * BITS_PER_UNIT; - - /* A named bit field of declared type `int' - forces the entire structure to have `int' alignment. - Q1: How is encoded this thing and how to check for it? - Q2: How to determine maximum_field_alignment at runtime? */ - -/* if (DECL_NAME (field) != 0) */ - { - int type_align = bfld_type_align; -#if 0 - if (maximum_field_alignment != 0) - type_align = MIN (type_align, maximum_field_alignment); - else if (DECL_PACKED (field)) - type_align = MIN (type_align, BITS_PER_UNIT); -#endif - - layout->record_align = MAX (layout->record_align, type_align); - } - } - else - layout->record_align = MAX (layout->record_align, desired_align); -#endif /* PCC_BITFIELD_TYPE_MATTERS */ - - /* Does this field automatically have alignment it needs - by virtue of the fields that precede it and the record's - own alignment? */ - - if (*type == _C_BFLD) - layout->record_size = atoi (type + 1); - else if (layout->record_size % desired_align != 0) - { - /* No, we need to skip space before this field. - Bump the cumulative size to multiple of field alignment. */ - layout->record_size = ROUND (layout->record_size, desired_align); - } - - /* Jump to the next field in record. */ - - layout->prev_type = layout->type; - layout->type = objc_skip_typespec (layout->type); /* skip component */ - - return YES; -} - -void objc_layout_finish_structure (struct objc_struct_layout *layout, - unsigned int *size, - unsigned int *align) -{ - BOOL unionp = layout->original_type[-1] == _C_UNION_B; - if (layout->type - && ((!unionp && *layout->type == _C_STRUCT_E) - || (unionp && *layout->type == _C_UNION_E))) - { - /* Work out the alignment of the record as one expression and store - in the record type. Round it up to a multiple of the record's - alignment. */ -#if defined (ROUND_TYPE_ALIGN) && ! defined (__sparc__) - layout->record_align = ROUND_TYPE_ALIGN (layout->original_type-1, - 1, - layout->record_align); -#else - layout->record_align = MAX (1, layout->record_align); -#endif - -#ifdef ROUND_TYPE_SIZE - layout->record_size = ROUND_TYPE_SIZE (layout->original_type, - layout->record_size, - layout->record_align); -#else - /* Round the size up to be a multiple of the required alignment */ - layout->record_size = ROUND (layout->record_size, layout->record_align); -#endif - - layout->type = NULL; - } - if (size) - *size = layout->record_size / BITS_PER_UNIT; - if (align) - *align = layout->record_align / BITS_PER_UNIT; -} - -void objc_layout_structure_get_info (struct objc_struct_layout *layout, - unsigned int *offset, - unsigned int *align, - const char **type) -{ - if (offset) - *offset = layout->record_size / BITS_PER_UNIT; - if (align) - *align = layout->record_align / BITS_PER_UNIT; - if (type) - *type = layout->prev_type; -} diff --git a/gcc-4.7/libobjc/error.c b/gcc-4.7/libobjc/error.c deleted file mode 100644 index b56aa4da6..000000000 --- a/gcc-4.7/libobjc/error.c +++ /dev/null @@ -1,43 +0,0 @@ -/* GNU Objective C Runtime Error Functions - Copyright (C) 1993, 1994, 1995, 1996, 1997, 2002, 2009, 2010 - Free Software Foundation, Inc. - -This file is part of GCC. - -GCC is free software; you can redistribute it and/or modify it -under the terms of the GNU General Public License as published by the -Free Software Foundation; either version 3, or (at your option) any -later version. - -GCC is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or -FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -for more details. - -Under Section 7 of GPL version 3, you are granted additional -permissions described in the GCC Runtime Library Exception, version -3.1, as published by the Free Software Foundation. - -You should have received a copy of the GNU General Public License and -a copy of the GCC Runtime Library Exception along with this program; -see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -. */ - -#include "objc-private/common.h" -#include "objc-private/error.h" - -#include -#include -#include - -/* Prints an error message and aborts the program. */ -void -_objc_abort (const char *fmt, ...) -{ - va_list ap; - - va_start (ap, fmt); - vfprintf (stderr, fmt, ap); - abort (); - va_end (ap); -} diff --git a/gcc-4.7/libobjc/exception.c b/gcc-4.7/libobjc/exception.c deleted file mode 100644 index 04308ce13..000000000 --- a/gcc-4.7/libobjc/exception.c +++ /dev/null @@ -1,521 +0,0 @@ -/* The implementation of exception handling primitives for Objective-C. - Copyright (C) 2004, 2005, 2007, 2008, 2009, 2010 Free Software Foundation, Inc. - -This file is part of GCC. - -GCC is free software; you can redistribute it and/or modify it -under the terms of the GNU General Public License as published by the -Free Software Foundation; either version 3, or (at your option) any -later version. - -GCC is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or -FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public -License for more details. - -Under Section 7 of GPL version 3, you are granted additional -permissions described in the GCC Runtime Library Exception, version -3.1, as published by the Free Software Foundation. - -You should have received a copy of the GNU General Public License and -a copy of the GCC Runtime Library Exception along with this program; -see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -. */ - -#include "objc-private/common.h" -#include -#include "config.h" -#include "objc/runtime.h" -#include "objc/objc-exception.h" -#include "unwind.h" -#include "unwind-pe.h" -#include /* For memcpy */ - -/* 'is_kind_of_exception_matcher' is our default exception matcher - - it determines if the object 'exception' is of class 'catch_class', - or of a subclass. */ -static int -is_kind_of_exception_matcher (Class catch_class, id exception) -{ - /* NULL catch_class is catch-all (eg, @catch (id object)). */ - if (catch_class == Nil) - return 1; - - /* If exception is nil (eg, @throw nil;), then it can only be - catched by a catch-all (eg, @catch (id object)). */ - if (exception != nil) - { - Class c; - - for (c = exception->class_pointer; c != Nil; - c = class_getSuperclass (c)) - if (c == catch_class) - return 1; - } - return 0; -} - -/* The exception matcher currently in use. */ -static objc_exception_matcher -__objc_exception_matcher = is_kind_of_exception_matcher; - -objc_exception_matcher -objc_setExceptionMatcher (objc_exception_matcher new_matcher) -{ - objc_exception_matcher old_matcher = __objc_exception_matcher; - __objc_exception_matcher = new_matcher; - return old_matcher; -} - -/* The uncaught exception handler currently in use. */ -static objc_uncaught_exception_handler -__objc_uncaught_exception_handler = NULL; - -objc_uncaught_exception_handler -objc_setUncaughtExceptionHandler (objc_uncaught_exception_handler - new_handler) -{ - objc_uncaught_exception_handler old_handler - = __objc_uncaught_exception_handler; - __objc_uncaught_exception_handler = new_handler; - return old_handler; -} - - - -#ifdef __ARM_EABI_UNWINDER__ - -const _Unwind_Exception_Class __objc_exception_class - = {'G', 'N', 'U', 'C', 'O', 'B', 'J', 'C'}; - -#else - -/* This is the exception class we report -- "GNUCOBJC". */ -static const _Unwind_Exception_Class __objc_exception_class - = ((((((((_Unwind_Exception_Class) 'G' - << 8 | (_Unwind_Exception_Class) 'N') - << 8 | (_Unwind_Exception_Class) 'U') - << 8 | (_Unwind_Exception_Class) 'C') - << 8 | (_Unwind_Exception_Class) 'O') - << 8 | (_Unwind_Exception_Class) 'B') - << 8 | (_Unwind_Exception_Class) 'J') - << 8 | (_Unwind_Exception_Class) 'C'); - -#endif - -/* This is the object that is passed around by the Objective C runtime - to represent the exception in flight. */ -struct ObjcException -{ - /* This bit is needed in order to interact with the unwind runtime. */ - struct _Unwind_Exception base; - - /* The actual object we want to throw. Note: must come immediately - after unwind header. */ - id value; - -#ifdef __ARM_EABI_UNWINDER__ - /* Note: we use the barrier cache defined in the unwind control - block for ARM EABI. */ -#else - /* Cache some internal unwind data between phase 1 and phase 2. */ - _Unwind_Ptr landingPad; - int handlerSwitchValue; -#endif -}; - - - -struct lsda_header_info -{ - _Unwind_Ptr Start; - _Unwind_Ptr LPStart; - _Unwind_Ptr ttype_base; - const unsigned char *TType; - const unsigned char *action_table; - unsigned char ttype_encoding; - unsigned char call_site_encoding; -}; - -static const unsigned char * -parse_lsda_header (struct _Unwind_Context *context, const unsigned char *p, - struct lsda_header_info *info) -{ - _uleb128_t tmp; - unsigned char lpstart_encoding; - - info->Start = (context ? _Unwind_GetRegionStart (context) : 0); - - /* Find @LPStart, the base to which landing pad offsets are - relative. */ - lpstart_encoding = *p++; - if (lpstart_encoding != DW_EH_PE_omit) - p = read_encoded_value (context, lpstart_encoding, p, &info->LPStart); - else - info->LPStart = info->Start; - - /* Find @TType, the base of the handler and exception spec type - data. */ - info->ttype_encoding = *p++; - if (info->ttype_encoding != DW_EH_PE_omit) - { -#if _GLIBCXX_OVERRIDE_TTYPE_ENCODING - /* Older ARM EABI toolchains set this value incorrectly, so use a - hardcoded OS-specific format. */ - info->ttype_encoding = _GLIBCXX_OVERRIDE_TTYPE_ENCODING; -#endif - p = read_uleb128 (p, &tmp); - info->TType = p + tmp; - } - else - info->TType = 0; - - /* The encoding and length of the call-site table; the action table - immediately follows. */ - info->call_site_encoding = *p++; - p = read_uleb128 (p, &tmp); - info->action_table = p + tmp; - - return p; -} - -static Class -get_ttype_entry (struct lsda_header_info *info, _Unwind_Word i) -{ - _Unwind_Ptr ptr; - - i *= size_of_encoded_value (info->ttype_encoding); - read_encoded_value_with_base (info->ttype_encoding, info->ttype_base, - info->TType - i, &ptr); - - /* NULL ptr means catch-all. Note that if the class is not found, - this will abort the program. */ - if (ptr) - return objc_getRequiredClass ((const char *) ptr); - else - return 0; -} - -/* Using a different personality function name causes link failures - when trying to mix code using different exception handling - models. */ -#ifdef SJLJ_EXCEPTIONS -#define PERSONALITY_FUNCTION __gnu_objc_personality_sj0 -#define __builtin_eh_return_data_regno(x) x -#else -#define PERSONALITY_FUNCTION __gnu_objc_personality_v0 -#endif - -#ifdef __ARM_EABI_UNWINDER__ - -#define CONTINUE_UNWINDING \ - do \ - { \ - if (__gnu_unwind_frame(ue_header, context) != _URC_OK) \ - return _URC_FAILURE; \ - return _URC_CONTINUE_UNWIND; \ - } \ - while (0) - -_Unwind_Reason_Code -PERSONALITY_FUNCTION (_Unwind_State state, - struct _Unwind_Exception *ue_header, - struct _Unwind_Context *context) -#else - -#define CONTINUE_UNWINDING return _URC_CONTINUE_UNWIND - -_Unwind_Reason_Code -PERSONALITY_FUNCTION (int version, - _Unwind_Action actions, - _Unwind_Exception_Class exception_class, - struct _Unwind_Exception *ue_header, - struct _Unwind_Context *context) -#endif -{ - struct ObjcException *xh = (struct ObjcException *) ue_header; - - struct lsda_header_info info; - const unsigned char *language_specific_data; - const unsigned char *action_record; - const unsigned char *p; - _Unwind_Ptr landing_pad, ip; - int handler_switch_value; - int saw_cleanup = 0, saw_handler, foreign_exception; - void *return_object; - int ip_before_insn = 0; - -#ifdef __ARM_EABI_UNWINDER__ - _Unwind_Action actions; - - switch (state & _US_ACTION_MASK) - { - case _US_VIRTUAL_UNWIND_FRAME: - actions = _UA_SEARCH_PHASE; - break; - - case _US_UNWIND_FRAME_STARTING: - actions = _UA_CLEANUP_PHASE; - if (!(state & _US_FORCE_UNWIND) - && ue_header->barrier_cache.sp == _Unwind_GetGR (context, 13)) - actions |= _UA_HANDLER_FRAME; - break; - - case _US_UNWIND_FRAME_RESUME: - CONTINUE_UNWINDING; - break; - - default: - abort(); - } - actions |= state & _US_FORCE_UNWIND; - - /* TODO: Foreign exceptions need some attention (e.g. rethrowing - doesn't work). */ - foreign_exception = 0; - - /* The dwarf unwinder assumes the context structure holds things - like the function and LSDA pointers. The ARM implementation - caches these in the exception header (UCB). To avoid rewriting - everything we make the virtual IP register point at the UCB. */ - ip = (_Unwind_Ptr) ue_header; - _Unwind_SetGR (context, 12, ip); - -#else /* !__ARM_EABI_UNWINDER. */ - /* Interface version check. */ - if (version != 1) - return _URC_FATAL_PHASE1_ERROR; - - foreign_exception = (exception_class != __objc_exception_class); -#endif - - /* Shortcut for phase 2 found handler for domestic exception. */ - if (actions == (_UA_CLEANUP_PHASE | _UA_HANDLER_FRAME) - && !foreign_exception) - { -#ifdef __ARM_EABI_UNWINDER__ - handler_switch_value = (int) ue_header->barrier_cache.bitpattern[1]; - landing_pad = (_Unwind_Ptr) ue_header->barrier_cache.bitpattern[3]; -#else - handler_switch_value = xh->handlerSwitchValue; - landing_pad = xh->landingPad; -#endif - goto install_context; - } - - language_specific_data = (const unsigned char *) - _Unwind_GetLanguageSpecificData (context); - - /* If no LSDA, then there are no handlers or cleanups. */ - if (! language_specific_data) - CONTINUE_UNWINDING; - - /* Parse the LSDA header. */ - p = parse_lsda_header (context, language_specific_data, &info); - info.ttype_base = base_of_encoded_value (info.ttype_encoding, context); -#ifdef HAVE_GETIPINFO - ip = _Unwind_GetIPInfo (context, &ip_before_insn); -#else - ip = _Unwind_GetIP (context); -#endif - if (!ip_before_insn) - --ip; - landing_pad = 0; - action_record = 0; - handler_switch_value = 0; - -#ifdef SJLJ_EXCEPTIONS - /* The given "IP" is an index into the call-site table, with two - exceptions -- -1 means no-action, and 0 means terminate. But - since we're using uleb128 values, we've not got random access to - the array. */ - if ((int) ip < 0) - return _URC_CONTINUE_UNWIND; - else - { - _uleb128_t cs_lp, cs_action; - do - { - p = read_uleb128 (p, &cs_lp); - p = read_uleb128 (p, &cs_action); - } - while (--ip); - - /* Can never have null landing pad for sjlj -- that would have - been indicated by a -1 call site index. */ - landing_pad = cs_lp + 1; - if (cs_action) - action_record = info.action_table + cs_action - 1; - goto found_something; - } -#else - /* Search the call-site table for the action associated with this - IP. */ - while (p < info.action_table) - { - _Unwind_Ptr cs_start, cs_len, cs_lp; - _uleb128_t cs_action; - - /* Note that all call-site encodings are "absolute" - displacements. */ - p = read_encoded_value (0, info.call_site_encoding, p, &cs_start); - p = read_encoded_value (0, info.call_site_encoding, p, &cs_len); - p = read_encoded_value (0, info.call_site_encoding, p, &cs_lp); - p = read_uleb128 (p, &cs_action); - - /* The table is sorted, so if we've passed the ip, stop. */ - if (ip < info.Start + cs_start) - p = info.action_table; - else if (ip < info.Start + cs_start + cs_len) - { - if (cs_lp) - landing_pad = info.LPStart + cs_lp; - if (cs_action) - action_record = info.action_table + cs_action - 1; - goto found_something; - } - } -#endif /* SJLJ_EXCEPTIONS */ - - /* If ip is not present in the table, C++ would call terminate. */ - /* ??? As with Java, it's perhaps better to tweek the LSDA to that - no-action is mapped to no-entry. */ - CONTINUE_UNWINDING; - - found_something: - saw_cleanup = 0; - saw_handler = 0; - - if (landing_pad == 0) - { - /* If ip is present, and has a null landing pad, there are no - cleanups or handlers to be run. */ - } - else if (action_record == 0) - { - /* If ip is present, has a non-null landing pad, and a null - action table offset, then there are only cleanups present. - Cleanups use a zero switch value, as set above. */ - saw_cleanup = 1; - } - else - { - /* Otherwise we have a catch handler. */ - _sleb128_t ar_filter, ar_disp; - - while (1) - { - p = action_record; - p = read_sleb128 (p, &ar_filter); - read_sleb128 (p, &ar_disp); - - if (ar_filter == 0) - { - /* Zero filter values are cleanups. */ - saw_cleanup = 1; - } - - /* During forced unwinding, we only run cleanups. With a - foreign exception class, we have no class info to - match. */ - else if ((actions & _UA_FORCE_UNWIND) || foreign_exception) - ; - - else if (ar_filter > 0) - { - /* Positive filter values are handlers. */ - Class catch_type = get_ttype_entry (&info, ar_filter); - - if ((*__objc_exception_matcher) (catch_type, xh->value)) - { - handler_switch_value = ar_filter; - saw_handler = 1; - break; - } - } - else - { - /* Negative filter values are exception specifications, - which Objective-C does not use. */ - abort (); - } - - if (ar_disp == 0) - break; - action_record = p + ar_disp; - } - } - - if (! saw_handler && ! saw_cleanup) - CONTINUE_UNWINDING; - - if (actions & _UA_SEARCH_PHASE) - { - if (!saw_handler) - CONTINUE_UNWINDING; - - /* For domestic exceptions, we cache data from phase 1 for phase - 2. */ - if (!foreign_exception) - { -#ifdef __ARM_EABI_UNWINDER__ - ue_header->barrier_cache.sp = _Unwind_GetGR (context, 13); - ue_header->barrier_cache.bitpattern[1] = (_uw) handler_switch_value; - ue_header->barrier_cache.bitpattern[3] = (_uw) landing_pad; -#else - xh->handlerSwitchValue = handler_switch_value; - xh->landingPad = landing_pad; -#endif - } - return _URC_HANDLER_FOUND; - } - - install_context: - if (saw_cleanup == 0) - { - return_object = xh->value; - if (!(actions & _UA_SEARCH_PHASE)) - _Unwind_DeleteException(&xh->base); - } - - _Unwind_SetGR (context, __builtin_eh_return_data_regno (0), - __builtin_extend_pointer (saw_cleanup ? xh : return_object)); - _Unwind_SetGR (context, __builtin_eh_return_data_regno (1), - handler_switch_value); - _Unwind_SetIP (context, landing_pad); - return _URC_INSTALL_CONTEXT; -} - -static void -__objc_exception_cleanup (_Unwind_Reason_Code code __attribute__((unused)), - struct _Unwind_Exception *exc) -{ - free (exc); -} - -void -objc_exception_throw (id exception) -{ - struct ObjcException *header = calloc (1, sizeof (*header)); - - memcpy (&header->base.exception_class, &__objc_exception_class, - sizeof (__objc_exception_class)); - header->base.exception_cleanup = __objc_exception_cleanup; - header->value = exception; - -#ifdef SJLJ_EXCEPTIONS - _Unwind_SjLj_RaiseException (&header->base); -#else - _Unwind_RaiseException (&header->base); -#endif - - /* No exception handler was installed. Call the uncaught exception - handler if any is defined. */ - if (__objc_uncaught_exception_handler != 0) - { - (*__objc_uncaught_exception_handler) (exception); - } - - abort (); -} - diff --git a/gcc-4.7/libobjc/gc.c b/gcc-4.7/libobjc/gc.c deleted file mode 100644 index d009230b7..000000000 --- a/gcc-4.7/libobjc/gc.c +++ /dev/null @@ -1,460 +0,0 @@ -/* Basic data types for Objective C. - Copyright (C) 1998, 2002, 2004, 2005, 2006, 2009, 2010 - Free Software Foundation, Inc. - Contributed by Ovidiu Predescu. - -This file is part of GCC. - -GCC is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 3, or (at your option) -any later version. - -GCC is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -Under Section 7 of GPL version 3, you are granted additional -permissions described in the GCC Runtime Library Exception, version -3.1, as published by the Free Software Foundation. - -You should have received a copy of the GNU General Public License and -a copy of the GCC Runtime Library Exception along with this program; -see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -. */ - -#include "objc-private/common.h" -#include "objc/objc.h" - -#if OBJC_WITH_GC - -#include "tconfig.h" -#include -#include /* For isdigit. */ -#include -#include -#include "objc/runtime.h" -#include "objc-private/module-abi-8.h" - -#include -#include - -/* gc_typed.h uses the following but doesn't declare them */ -typedef GC_word word; -typedef GC_signed_word signed_word; -#define BITS_PER_WORD (CHAR_BIT * sizeof (word)) - -#include - -/* The following functions set up in `mask` the corresponding pointers. - The offset is incremented with the size of the type. */ - -#define ROUND(V, A) \ - ({ typeof (V) __v = (V); typeof (A) __a = (A); \ - __a * ((__v+__a - 1)/__a); }) - -#define SET_BIT_FOR_OFFSET(mask, offset) \ - GC_set_bit (mask, offset / sizeof (void *)) - -/* Some prototypes */ -static void -__objc_gc_setup_struct (GC_bitmap mask, const char *type, int offset); -static void -__objc_gc_setup_union (GC_bitmap mask, const char *type, int offset); - - -static void -__objc_gc_setup_array (GC_bitmap mask, const char *type, int offset) -{ - int i, len = atoi (type + 1); - - while (isdigit (*++type)) - /* do nothing */; /* skip the size of the array */ - - switch (*type) { - case _C_ARY_B: - for (i = 0; i < len; i++) - __objc_gc_setup_array (mask, type, offset); - break; - - case _C_STRUCT_B: - for (i = 0; i < len; i++) - __objc_gc_setup_struct (mask, type, offset); - break; - - case _C_UNION_B: - for (i = 0; i < len; i++) - __objc_gc_setup_union (mask, type, offset); - break; - - default: - break; - } -} - -static void -__objc_gc_setup_struct (GC_bitmap mask, const char *type, int offset) -{ - struct objc_struct_layout layout; - unsigned int position; - const char *mtype; - - objc_layout_structure (type, &layout); - - while (objc_layout_structure_next_member (&layout)) - { - BOOL gc_invisible = NO; - - objc_layout_structure_get_info (&layout, &position, NULL, &mtype); - - /* Skip the variable name */ - if (*mtype == '"') - { - for (mtype++; *mtype++ != '"';) - /* do nothing */; - } - - if (*mtype == _C_GCINVISIBLE) - { - gc_invisible = YES; - mtype++; - } - - /* Add to position the offset of this structure */ - position += offset; - - switch (*mtype) { - case _C_ID: - case _C_CLASS: - case _C_SEL: - case _C_PTR: - case _C_CHARPTR: - case _C_ATOM: - if (! gc_invisible) - SET_BIT_FOR_OFFSET (mask, position); - break; - - case _C_ARY_B: - __objc_gc_setup_array (mask, mtype, position); - break; - - case _C_STRUCT_B: - __objc_gc_setup_struct (mask, mtype, position); - break; - - case _C_UNION_B: - __objc_gc_setup_union (mask, mtype, position); - break; - - default: - break; - } - } -} - -static void -__objc_gc_setup_union (GC_bitmap mask, const char *type, int offset) -{ - /* Sub-optimal, quick implementation: assume the union is made of - pointers, set up the mask accordingly. */ - - int i, size, align; - - /* Skip the variable name */ - if (*type == '"') - { - for (type++; *type++ != '"';) - /* do nothing */; - } - - size = objc_sizeof_type (type); - align = objc_alignof_type (type); - - offset = ROUND (offset, align); - for (i = 0; i < size; i += sizeof (void *)) - { - SET_BIT_FOR_OFFSET (mask, offset); - offset += sizeof (void *); - } -} - - -/* Iterates over the types in the structure that represents the class - encoding and sets the bits in mask according to each ivar type. */ -static void -__objc_gc_type_description_from_type (GC_bitmap mask, const char *type) -{ - struct objc_struct_layout layout; - unsigned int offset, align; - const char *ivar_type; - - objc_layout_structure (type, &layout); - - while (objc_layout_structure_next_member (&layout)) - { - BOOL gc_invisible = NO; - - objc_layout_structure_get_info (&layout, &offset, &align, &ivar_type); - - /* Skip the variable name */ - if (*ivar_type == '"') - { - for (ivar_type++; *ivar_type++ != '"';) - /* do nothing */; - } - - if (*ivar_type == _C_GCINVISIBLE) - { - gc_invisible = YES; - ivar_type++; - } - - switch (*ivar_type) { - case _C_ID: - case _C_CLASS: - case _C_SEL: - case _C_PTR: - case _C_CHARPTR: - if (! gc_invisible) - SET_BIT_FOR_OFFSET (mask, offset); - break; - - case _C_ARY_B: - __objc_gc_setup_array (mask, ivar_type, offset); - break; - - case _C_STRUCT_B: - __objc_gc_setup_struct (mask, ivar_type, offset); - break; - - case _C_UNION_B: - __objc_gc_setup_union (mask, ivar_type, offset); - break; - - default: - break; - } - } -} - -/* Computes in *type the full type encoding of this class including - its super classes. '*size' gives the total number of bytes allocated - into *type, '*current' the number of bytes used so far by the - encoding. */ -static void -__objc_class_structure_encoding (Class class, char **type, int *size, - int *current) -{ - int i, ivar_count; - struct objc_ivar_list *ivars; - - if (! class) - { - strcat (*type, "{"); - (*current)++; - return; - } - - /* Add the type encodings of the super classes */ - __objc_class_structure_encoding (class->super_class, type, size, current); - - ivars = class->ivars; - if (! ivars) - return; - - ivar_count = ivars->ivar_count; - - for (i = 0; i < ivar_count; i++) - { - struct objc_ivar *ivar = &(ivars->ivar_list[i]); - const char *ivar_type = ivar->ivar_type; - int len = strlen (ivar_type); - - if (*current + len + 1 >= *size) - { - /* Increase the size of the encoding string so that it - contains this ivar's type. */ - *size = ROUND (*current + len + 1, 10); - *type = objc_realloc (*type, *size); - } - strcat (*type + *current, ivar_type); - *current += len; - } -} - - -/* Allocates the memory that will hold the type description for class - and calls the __objc_class_structure_encoding that generates this - value. */ -void -__objc_generate_gc_type_description (Class class) -{ - GC_bitmap mask; - int bits_no, size; - int type_size = 10, current; - char *class_structure_type; - - if (! CLS_ISCLASS (class)) - return; - - /* We have to create a mask in which each bit counts for a pointer member. - We take into consideration all the non-pointer instance variables and we - round them up to the alignment. */ - - /* The number of bits in the mask is the size of an instance in bytes divided - by the size of a pointer. */ - bits_no = (ROUND (class_getInstanceSize (class), sizeof (void *)) - / sizeof (void *)); - size = ROUND (bits_no, BITS_PER_WORD) / BITS_PER_WORD; - mask = objc_atomic_malloc (size * sizeof (int)); - memset (mask, 0, size * sizeof (int)); - - class_structure_type = objc_atomic_malloc (type_size); - *class_structure_type = current = 0; - __objc_class_structure_encoding (class, &class_structure_type, - &type_size, ¤t); - if (current + 1 == type_size) - class_structure_type = objc_realloc (class_structure_type, ++type_size); - strcat (class_structure_type + current, "}"); -#ifdef DEBUG - printf ("type description for '%s' is %s\n", class->name, class_structure_type); -#endif - - __objc_gc_type_description_from_type (mask, class_structure_type); - objc_free (class_structure_type); - -#ifdef DEBUG - printf (" mask for '%s', type '%s' (bits %d, mask size %d) is:", - class_structure_type, class->name, bits_no, size); - { - int i; - for (i = 0; i < size; i++) - printf (" %lx", mask[i]); - } - puts (""); -#endif - - class->gc_object_type = (void *) GC_make_descriptor (mask, bits_no); -} - - -/* Returns YES if type denotes a pointer type, NO otherwise */ -static inline BOOL -__objc_ivar_pointer (const char *type) -{ - type = objc_skip_type_qualifiers (type); - - return (*type == _C_ID - || *type == _C_CLASS - || *type == _C_SEL - || *type == _C_PTR - || *type == _C_CHARPTR - || *type == _C_ATOM); -} - - -/* Mark the instance variable whose name is given by ivarname as a - weak pointer (a pointer hidden to the garbage collector) if - gc_invisible is true. If gc_invisible is false it unmarks the - instance variable and makes it a normal pointer, visible to the - garbage collector. - - This operation only makes sense on instance variables that are - pointers. */ -void -class_ivar_set_gcinvisible (Class class, const char *ivarname, - BOOL gc_invisible) -{ - int i, ivar_count; - struct objc_ivar_list *ivars; - - if (! class || ! ivarname) - return; - - ivars = class->ivars; - if (! ivars) - return; - - ivar_count = ivars->ivar_count; - - for (i = 0; i < ivar_count; i++) - { - struct objc_ivar *ivar = &(ivars->ivar_list[i]); - const char *type; - - if (! ivar->ivar_name || strcmp (ivar->ivar_name, ivarname)) - continue; - - assert (ivar->ivar_type); - type = ivar->ivar_type; - - /* Skip the variable name */ - if (*type == '"') - { - for (type++; *type++ != '"';) - /* do nothing */; - } - - if (*type == _C_GCINVISIBLE) - { - char *new_type; - size_t len; - - if (gc_invisible || ! __objc_ivar_pointer (type)) - return; /* The type of the variable already matches the - requested gc_invisible type */ - - /* The variable is gc_invisible so we make it gc visible. */ - new_type = objc_atomic_malloc (strlen(ivar->ivar_type)); - len = (type - ivar->ivar_type); - memcpy (new_type, ivar->ivar_type, len); - new_type[len] = 0; - strcat (new_type, type + 1); - ivar->ivar_type = new_type; - } - else - { - char *new_type; - size_t len; - - if (! gc_invisible || ! __objc_ivar_pointer (type)) - return; /* The type of the variable already matches the - requested gc_invisible type */ - - /* The variable is gc visible so we make it gc_invisible. */ - new_type = objc_malloc (strlen(ivar->ivar_type) + 2); - - /* Copy the variable name. */ - len = (type - ivar->ivar_type); - memcpy (new_type, ivar->ivar_type, len); - /* Add '!'. */ - new_type[len++] = _C_GCINVISIBLE; - /* Copy the original types. */ - strcpy (new_type + len, type); - - ivar->ivar_type = new_type; - } - - __objc_generate_gc_type_description (class); - return; - } - - /* Search the instance variable in the superclasses */ - class_ivar_set_gcinvisible (class->super_class, ivarname, gc_invisible); -} - -#else /* !OBJC_WITH_GC */ - -void -__objc_generate_gc_type_description (Class class __attribute__ ((__unused__))) -{ -} - -void class_ivar_set_gcinvisible (Class class __attribute__ ((__unused__)), - const char *ivarname __attribute__ ((__unused__)), - BOOL gc_invisible __attribute__ ((__unused__))) -{ -} - -#endif /* OBJC_WITH_GC */ diff --git a/gcc-4.7/libobjc/hash.c b/gcc-4.7/libobjc/hash.c deleted file mode 100644 index 733fc6501..000000000 --- a/gcc-4.7/libobjc/hash.c +++ /dev/null @@ -1,295 +0,0 @@ -/* Hash tables for Objective C internal structures - Copyright (C) 1993, 1996, 1997, 2004, 2009, 2010 - Free Software Foundation, Inc. - -This file is part of GCC. - -GCC is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 3, or (at your option) -any later version. - -GCC is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -Under Section 7 of GPL version 3, you are granted additional -permissions described in the GCC Runtime Library Exception, version -3.1, as published by the Free Software Foundation. - -You should have received a copy of the GNU General Public License and -a copy of the GCC Runtime Library Exception along with this program; -see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -. */ - -#include "objc-private/common.h" -#include /* For assert. */ - -#include "objc/runtime.h" /* For objc_calloc. */ -#include "objc-private/hash.h" - -/* These two macros determine when a hash table is full and - by how much it should be expanded respectively. - - These equations are percentages. */ -#define FULLNESS(cache) \ - ((((cache)->size * 75) / 100) <= (cache)->used) -#define EXPANSION(cache) \ - ((cache)->size * 2) - -cache_ptr -objc_hash_new (unsigned int size, hash_func_type hash_func, - compare_func_type compare_func) -{ - cache_ptr cache; - - /* Pass me a value greater than 0 and a power of 2. */ - assert (size); - assert (! (size & (size - 1))); - - /* Allocate the cache structure. calloc insures its initialization - for default values. */ - cache = (cache_ptr) objc_calloc (1, sizeof (struct cache)); - assert (cache); - - /* Allocate the array of buckets for the cache. calloc initializes - all of the pointers to NULL. */ - cache->node_table - = (node_ptr *) objc_calloc (size, sizeof (node_ptr)); - assert (cache->node_table); - - cache->size = size; - - /* This should work for all processor architectures (?). */ - cache->mask = (size - 1); - - /* Store the hashing function so that codes can be computed. */ - cache->hash_func = hash_func; - - /* Store the function that compares hash keys to determine if they - are equal. */ - cache->compare_func = compare_func; - - return cache; -} - - -void -objc_hash_delete (cache_ptr cache) -{ - node_ptr node; - node_ptr next_node; - unsigned int i; - - /* Purge all key/value pairs from the table. */ - /* Step through the nodes one by one and remove every node WITHOUT - using objc_hash_next. this makes objc_hash_delete much more - efficient. */ - for (i = 0; i < cache->size; i++) - { - if ((node = cache->node_table[i])) - { - /* An entry in the hash table has been found. Now step - through the nodes next in the list and free them. */ - while ((next_node = node->next)) - { - objc_hash_remove (cache,node->key); - node = next_node; - } - objc_hash_remove (cache,node->key); - } - } - - /* Release the array of nodes and the cache itself. */ - objc_free(cache->node_table); - objc_free(cache); -} - - -void -objc_hash_add (cache_ptr *cachep, const void *key, void *value) -{ - size_t indx = (*(*cachep)->hash_func) (*cachep, key); - node_ptr node = (node_ptr) objc_calloc (1, sizeof (struct cache_node)); - - assert (node); - - /* Initialize the new node. */ - node->key = key; - node->value = value; - node->next = (*cachep)->node_table[indx]; - - /* Debugging. Check the list for another key. */ -#ifdef DEBUG - { - node_ptr node1 = (*cachep)->node_table[indx]; - while (node1) - { - assert (node1->key != key); - node1 = node1->next; - } - } -#endif - - /* Install the node as the first element on the list. */ - (*cachep)->node_table[indx] = node; - - /* Bump the number of entries in the cache. */ - ++(*cachep)->used; - - /* Check the hash table's fullness. We're going to expand if it is - above the fullness level. */ - if (FULLNESS (*cachep)) - { - /* The hash table has reached its fullness level. Time to - expand it. - - I'm using a slow method here but is built on other primitive - functions thereby increasing its correctness. */ - node_ptr node1 = NULL; - cache_ptr new = objc_hash_new (EXPANSION (*cachep), - (*cachep)->hash_func, - (*cachep)->compare_func); - - DEBUG_PRINTF ("Expanding cache %#x from %d to %d\n", - (int) *cachep, (*cachep)->size, new->size); - - /* Copy the nodes from the first hash table to the new one. */ - while ((node1 = objc_hash_next (*cachep, node1))) - objc_hash_add (&new, node1->key, node1->value); - - /* Trash the old cache. */ - objc_hash_delete (*cachep); - - /* Return a pointer to the new hash table. */ - *cachep = new; - } -} - -void -objc_hash_remove (cache_ptr cache, const void *key) -{ - size_t indx = (*cache->hash_func) (cache, key); - node_ptr node = cache->node_table[indx]; - - /* We assume there is an entry in the table. Error if it is - not. */ - assert (node); - - /* Special case. First element is the key/value pair to be - removed. */ - if ((*cache->compare_func) (node->key, key)) - { - cache->node_table[indx] = node->next; - objc_free(node); - } - else - { - /* Otherwise, find the hash entry. */ - node_ptr prev = node; - BOOL removed = NO; - do - { - if ((*cache->compare_func) (node->key, key)) - { - prev->next = node->next, removed = YES; - objc_free(node); - } - else - prev = node, node = node->next; - } - while (!removed && node); - assert (removed); - } - - /* Decrement the number of entries in the hash table. */ - --cache->used; -} - - -node_ptr -objc_hash_next (cache_ptr cache, node_ptr node) -{ - /* If the scan is being started then reset the last node visitied - pointer and bucket index. */ - if (!node) - cache->last_bucket = 0; - - /* If there is a node visited last then check for another entry in - the same bucket. Otherwise step to the next bucket. */ - if (node) - { - if (node->next) - { - /* There is a node which follows the last node returned. - Step to that node and retun it. */ - return node->next; - } - else - ++cache->last_bucket; - } - - /* If the list isn't exhausted then search the buckets for other - nodes. */ - if (cache->last_bucket < cache->size) - { - /* Scan the remainder of the buckets looking for an entry at - the head of the list. Return the first item found. */ - while (cache->last_bucket < cache->size) - if (cache->node_table[cache->last_bucket]) - return cache->node_table[cache->last_bucket]; - else - ++cache->last_bucket; - - /* No further nodes were found in the hash table. */ - return NULL; - } - else - return NULL; -} - - -/* Given KEY, return corresponding value for it in CACHE. Return NULL - if the KEY is not recorded. */ -void * -objc_hash_value_for_key (cache_ptr cache, const void *key) -{ - node_ptr node = cache->node_table[(*cache->hash_func) (cache, key)]; - void *retval = NULL; - - if (node) - do - { - if ((*cache->compare_func) (node->key, key)) - { - retval = node->value; - break; - } - else - node = node->next; - } - while (! retval && node); - - return retval; -} - -/* Given KEY, return YES if it exists in the CACHE. Return NO if it - does not */ -BOOL -objc_hash_is_key_in_hash (cache_ptr cache, const void *key) -{ - node_ptr node = cache->node_table[(*cache->hash_func) (cache, key)]; - - if (node) - do - { - if ((*cache->compare_func)(node->key, key)) - return YES; - else - node = node->next; - } - while (node); - - return NO; -} diff --git a/gcc-4.7/libobjc/init.c b/gcc-4.7/libobjc/init.c deleted file mode 100644 index 23ba41ba1..000000000 --- a/gcc-4.7/libobjc/init.c +++ /dev/null @@ -1,1044 +0,0 @@ -/* GNU Objective C Runtime initialization - Copyright (C) 1993, 1995, 1996, 1997, 2002, 2009, 2010 - Free Software Foundation, Inc. - Contributed by Kresten Krab Thorup - +load support contributed by Ovidiu Predescu - -This file is part of GCC. - -GCC is free software; you can redistribute it and/or modify it under the -terms of the GNU General Public License as published by the Free Software -Foundation; either version 3, or (at your option) any later version. - -GCC is distributed in the hope that it will be useful, but WITHOUT ANY -WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more -details. - -Under Section 7 of GPL version 3, you are granted additional -permissions described in the GCC Runtime Library Exception, version -3.1, as published by the Free Software Foundation. - -You should have received a copy of the GNU General Public License and -a copy of the GCC Runtime Library Exception along with this program; -see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -. */ - -/* Uncommented the following line to enable debug logging. Use this - only while debugging the runtime. */ -/* #define DEBUG 1 */ - -#include "objc-private/common.h" -#include "objc-private/error.h" -#include "objc/runtime.h" -#include "objc/thr.h" -#include "objc-private/hash.h" -#include "objc-private/objc-list.h" -#include "objc-private/module-abi-8.h" -#include "objc-private/runtime.h" /* For __objc_resolve_class_links(). */ -#include "objc-private/selector.h" /* For __sel_register_typed_name(). */ -#include "objc-private/objc-sync.h" /* For __objc_sync_init() */ -#include "objc-private/protocols.h" /* For __objc_protocols_init(), - __objc_protocols_add_protocol() - __objc_protocols_register_selectors() */ -#include "objc-private/accessors.h" /* For __objc_accessors_init() */ - -/* The version number of this runtime. This must match the number - defined in gcc (objc-act.c). */ -#define OBJC_VERSION 8 -#define PROTOCOL_VERSION 2 - -/* This list contains modules currently loaded into the runtime and - for which the +load method (and the load callback, if any) has not - been called yet. */ -static struct objc_list *__objc_module_list = 0; /* !T:MUTEX */ - -/* This list contains all proto_list's not yet assigned class - links. */ -static struct objc_list *unclaimed_proto_list = 0; /* !T:MUTEX */ - -/* List of unresolved static instances. */ -static struct objc_list *uninitialized_statics = 0; /* !T:MUTEX */ - -/* List of duplicated classes found while loading modules. If we find - a class twice, we ignore it the second time. On some platforms, - where the order in which modules are loaded is well defined, this - allows you to replace a class in a shared library by linking in a - new implementation which is loaded in in the right order, and which - overrides the existing one. - - Protected by __objc_runtime_mutex. */ -static cache_ptr duplicate_classes = NULL; - -/* Global runtime "write" mutex. Having a single mutex prevents - deadlocks, but reduces concurrency. To improve concurrency, some - groups of functions in the runtime have their own separate mutex - (eg, __class_table_lock in class.c); to avoid deadlocks, these - routines must make sure that they never acquire any other lock - while holding their own local lock. Ie, they should lock, execute - some C code that does not perform any calls to other runtime - functions which may potentially lock different locks, then unlock. - If they need to perform any calls to other runtime functions that - may potentially lock other locks, then they should use the global - __objc_runtime_mutex. */ -objc_mutex_t __objc_runtime_mutex = 0; - -/* Number of threads that are alive. */ -int __objc_runtime_threads_alive = 1; /* !T:MUTEX */ - -/* Check compiler vs runtime version. */ -static void init_check_module_version (struct objc_module *); - -/* Assign isa links to protos. */ -static void __objc_init_protocols (struct objc_protocol_list *protos); - -/* Assign isa link to a protocol, and register it. */ -static void __objc_init_protocol (struct objc_protocol *protocol); - -/* Add protocol to class. */ -static void __objc_class_add_protocols (Class, struct objc_protocol_list *); - -/* Load callback hook. */ -void (*_objc_load_callback) (Class class, struct objc_category *category) = 0; /* !T:SAFE */ - -/* Are all categories/classes resolved ? */ -BOOL __objc_dangling_categories = NO; /* !T:UNUSED */ - -/* Sends +load to all classes and categories in certain - situations. */ -static void objc_send_load (void); - -/* Inserts all the classes defined in module in a tree of classes that - resembles the class hierarchy. This tree is traversed in preorder - and the classes in its nodes receive the +load message if these - methods were not executed before. The algorithm ensures that when - the +load method of a class is executed all the superclasses have - been already received the +load message. */ -static void __objc_create_classes_tree (struct objc_module *module); - -/* Calls the _objc_load_callback for each class and category in the - module (if _objc_load_callback is not NULL). */ -static void __objc_call_load_callback (struct objc_module *module); - -/* A special version that works only before the classes are completely - installed in the runtime. */ -static BOOL class_is_subclass_of_class (Class class, Class superclass); - -/* This is a node in the class tree hierarchy used to send +load - messages. */ -typedef struct objc_class_tree -{ - /* The class corresponding to the node. */ - Class class; - - /* This is a linked list of all the direct subclasses of this class. - 'head' points to a subclass node; 'tail' points to the next - objc_list node (whose 'head' points to another subclass node, - etc). */ - struct objc_list *subclasses; -} objc_class_tree; - -/* This is a linked list of objc_class_tree trees. The head of these - trees are root classes (their super class is Nil). These different - trees represent different class hierarchies. */ -static struct objc_list *__objc_class_tree_list = NULL; - -/* Keeps the +load methods who have been already executed. This hash - should not be destroyed during the execution of the program. */ -static cache_ptr __objc_load_methods = NULL; - -/* This function is used when building the class tree used to send - ordinately the +load message to all classes needing it. The tree - is really needed so that superclasses will get the message before - subclasses. - - This tree may contain classes which are being loaded (or have just - being loaded), and whose super_class pointers have not yet been - resolved. This implies that their super_class pointers point to a - string with the name of the superclass; when the first message is - sent to the class (/an object of that class) the class links will - be resolved, which will replace the super_class pointers with - pointers to the actual superclasses. - - Unfortunately, the tree might also contain classes which had been - loaded previously, and whose class links have already been - resolved. - - This function returns the superclass of a class in both cases, and - can be used to build the determine the class relationships while - building the tree. */ -static Class class_superclass_of_class (Class class) -{ - char *super_class_name; - - /* If the class links have been resolved, use the resolved - links. */ - if (CLS_ISRESOLV (class)) - return class->super_class; - - /* Else, 'class' has not yet been resolved. This means that its - super_class pointer is really the name of the super class (rather - than a pointer to the actual superclass). */ - super_class_name = (char *)class->super_class; - - /* Return Nil for a root class. */ - if (super_class_name == NULL) - return Nil; - - /* Lookup the superclass of non-root classes. */ - return objc_getClass (super_class_name); -} - - -/* Creates a tree of classes whose topmost class is directly inherited - from `upper' and the bottom class in this tree is `bottom_class'. - If `upper' is Nil, creates a class hierarchy up to a root class. - The classes in this tree are super classes of `bottom_class'. The - `subclasses' member of each tree node point to the list of - subclasses for the node. */ -static objc_class_tree * -create_tree_of_subclasses_inherited_from (Class bottom_class, Class upper) -{ - Class superclass; - objc_class_tree *tree, *prev; - - DEBUG_PRINTF ("create_tree_of_subclasses_inherited_from:"); - DEBUG_PRINTF (" bottom_class = %s, upper = %s\n", - (bottom_class ? bottom_class->name : NULL), - (upper ? upper->name : NULL)); - - superclass = class_superclass_of_class (bottom_class); - - prev = objc_calloc (1, sizeof (objc_class_tree)); - prev->class = bottom_class; - - if (superclass == upper) - return prev; - - while (superclass != upper) - { - tree = objc_calloc (1, sizeof (objc_class_tree)); - tree->class = superclass; - tree->subclasses = list_cons (prev, tree->subclasses); - superclass = class_superclass_of_class (superclass); - prev = tree; - } - - return tree; -} - -/* Insert the `class' into the proper place in the `tree' class - hierarchy. This function returns a new tree if the class has been - successfully inserted into the tree or NULL if the class is not - part of the classes hierarchy described by `tree'. This function - is private to objc_tree_insert_class (), you should not call it - directly. */ -static objc_class_tree * -__objc_tree_insert_class (objc_class_tree *tree, Class class) -{ - DEBUG_PRINTF ("__objc_tree_insert_class: tree = %p (root: %s), class = %s\n", - tree, ((tree && tree->class) ? tree->class->name : "Nil"), class->name); - - if (tree == NULL) - return create_tree_of_subclasses_inherited_from (class, NULL); - else if (class == tree->class) - { - /* `class' has been already inserted. */ - DEBUG_PRINTF (" 1. class %s was previously inserted\n", class->name); - return tree; - } - else if (class_superclass_of_class (class) == tree->class) - { - /* If class is a direct subclass of tree->class then add class - to the list of subclasses. First check to see if it wasn't - already inserted. */ - struct objc_list *list = tree->subclasses; - objc_class_tree *node; - - while (list) - { - /* Class has been already inserted; do nothing just return - the tree. */ - if (((objc_class_tree *) list->head)->class == class) - { - DEBUG_PRINTF (" 2. class %s was previously inserted\n", - class->name); - return tree; - } - list = list->tail; - } - - /* Create a new node class and insert it into the list of - subclasses. */ - node = objc_calloc (1, sizeof (objc_class_tree)); - node->class = class; - tree->subclasses = list_cons (node, tree->subclasses); - DEBUG_PRINTF (" 3. class %s inserted\n", class->name); - return tree; - } - else - { - /* The class is not a direct subclass of tree->class. Search - for class's superclasses in the list of subclasses. */ - struct objc_list *subclasses = tree->subclasses; - - /* Precondition: the class must be a subclass of tree->class; - otherwise return NULL to indicate our caller that it must - take the next tree. */ - if (! class_is_subclass_of_class (class, tree->class)) - return NULL; - - for (; subclasses != NULL; subclasses = subclasses->tail) - { - Class aClass = ((objc_class_tree *) (subclasses->head))->class; - - if (class_is_subclass_of_class (class, aClass)) - { - /* If we found one of class's superclasses we insert the - class into its subtree and return the original tree - since nothing has been changed. */ - subclasses->head - = __objc_tree_insert_class (subclasses->head, class); - DEBUG_PRINTF (" 4. class %s inserted\n", class->name); - return tree; - } - } - - /* We haven't found a subclass of `class' in the `subclasses' - list. Create a new tree of classes whose topmost class is a - direct subclass of tree->class. */ - { - objc_class_tree *new_tree - = create_tree_of_subclasses_inherited_from (class, tree->class); - tree->subclasses = list_cons (new_tree, tree->subclasses); - DEBUG_PRINTF (" 5. class %s inserted\n", class->name); - return tree; - } - } -} - -/* This function inserts `class' in the right tree hierarchy classes. */ -static void -objc_tree_insert_class (Class class) -{ - struct objc_list *list_node; - objc_class_tree *tree; - - list_node = __objc_class_tree_list; - while (list_node) - { - /* Try to insert the class in this class hierarchy. */ - tree = __objc_tree_insert_class (list_node->head, class); - if (tree) - { - list_node->head = tree; - return; - } - else - list_node = list_node->tail; - } - - /* If the list was finished but the class hasn't been inserted, we - don't have an existing class hierarchy that can accomodate it. - Create a new one. */ - __objc_class_tree_list = list_cons (NULL, __objc_class_tree_list); - __objc_class_tree_list->head = __objc_tree_insert_class (NULL, class); -} - -/* Traverse tree in preorder. Used to send +load. */ -static void -objc_preorder_traverse (objc_class_tree *tree, - int level, - void (*function) (objc_class_tree *, int)) -{ - struct objc_list *node; - - (*function) (tree, level); - for (node = tree->subclasses; node; node = node->tail) - objc_preorder_traverse (node->head, level + 1, function); -} - -/* Traverse tree in postorder. Used to destroy a tree. */ -static void -objc_postorder_traverse (objc_class_tree *tree, - int level, - void (*function) (objc_class_tree *, int)) -{ - struct objc_list *node; - - for (node = tree->subclasses; node; node = node->tail) - objc_postorder_traverse (node->head, level + 1, function); - (*function) (tree, level); -} - -/* Used to print a tree class hierarchy. */ -#ifdef DEBUG -static void -__objc_tree_print (objc_class_tree *tree, int level) -{ - int i; - - for (i = 0; i < level; i++) - printf (" "); - printf ("%s\n", tree->class->name); -} -#endif - -/* Walks on a linked list of methods in the reverse order and executes - all the methods corresponding to the `+load' selector. Walking in - the reverse order assures the +load of class is executed first and - then +load of categories because of the way in which categories are - added to the class methods. This function needs to be called with - the objc_runtime_mutex locked. */ -static void -__objc_send_load_using_method_list (struct objc_method_list *method_list, Class class) -{ - static SEL load_selector = 0; - int i; - - if (!method_list) - return; - - /* This needs no lock protection because we are called with the - objc_runtime_mutex locked. */ - if (!load_selector) - load_selector = sel_registerName ("load"); - - /* method_list is a linked list of method lists; since we're - executing in reverse order, we need to do the next list before we - do this one. */ - __objc_send_load_using_method_list (method_list->method_next, class); - - /* Search the method list. */ - for (i = 0; i < method_list->method_count; i++) - { - struct objc_method *mth = &method_list->method_list[i]; - - /* We are searching for +load methods that we haven't executed - yet. */ - if (mth->method_name && sel_eq (mth->method_name, load_selector) - && ! objc_hash_is_key_in_hash (__objc_load_methods, mth->method_imp)) - { - /* Add this method into the +load hash table, so we won't - execute it again next time. */ - objc_hash_add (&__objc_load_methods, - mth->method_imp, - mth->method_imp); - - /* Call +load. */ - DEBUG_PRINTF (" begin of [%s +load]\n", class->name); - (*mth->method_imp) ((id)class, mth->method_name); - DEBUG_PRINTF (" end of [%s +load]\n", class->name); - - break; - } - } -} - -/* This function needs to be called with the objc_runtime_mutex - locked. */ -static void -__objc_send_load (objc_class_tree *tree, - int level __attribute__ ((__unused__))) -{ - Class class = tree->class; - struct objc_method_list *method_list = class->class_pointer->methods; - - DEBUG_PRINTF ("+load: need to send load to class '%s'\n", class->name); - __objc_send_load_using_method_list (method_list, class); -} - -static void -__objc_destroy_class_tree_node (objc_class_tree *tree, - int level __attribute__ ((__unused__))) -{ - objc_free (tree); -} - -/* This is used to check if the relationship between two classes - before the runtime completely installs the classes. */ -static BOOL -class_is_subclass_of_class (Class class, Class superclass) -{ - for (; class != Nil;) - { - if (class == superclass) - return YES; - class = class_superclass_of_class (class); - } - - return NO; -} - -/* This list contains all the classes in the runtime system for whom - their superclasses are not yet known to the runtime. */ -static struct objc_list *unresolved_classes = 0; - -/* Extern function used to reference the Object class. */ -extern void __objc_force_linking (void); - -void -__objc_force_linking (void) -{ - extern void __objc_linking (void); - __objc_linking (); -} - -/* Run through the statics list, removing modules as soon as all its - statics have been initialized. */ -static void -objc_init_statics (void) -{ - struct objc_list **cell = &uninitialized_statics; - struct objc_static_instances **statics_in_module; - - objc_mutex_lock (__objc_runtime_mutex); - - while (*cell) - { - int module_initialized = 1; - - for (statics_in_module = (*cell)->head; - *statics_in_module; statics_in_module++) - { - struct objc_static_instances *statics = *statics_in_module; - Class class = objc_getClass (statics->class_name); - - if (! class) - { - /* It is unfortunate that this will cause all the - statics initialization to be done again (eg, if we - already initialized constant strings, and are now - initializing protocols, setting module_initialized to - 0 would cause constant strings to be initialized - again). It would be good to be able to track if we - have already initialized some of them. */ - module_initialized = 0; - } - else - { - /* Note that if this is a list of Protocol objects, some - of them may have been initialized already (because - they were attached to classes or categories, and the - class/category loading code automatically fixes them - up), and some of them may not. We really need to go - through the whole list to be sure! Protocols are - also special because we want to register them and - register all their selectors. */ - id *inst; - - if (strcmp (statics->class_name, "Protocol") == 0) - { - /* Protocols are special, because not only we want - to fix up their class pointers, but we also want - to register them and their selectors with the - runtime. */ - for (inst = &statics->instances[0]; *inst; inst++) - __objc_init_protocol ((struct objc_protocol *)*inst); - } - else - { - /* Other static instances (typically constant - strings) are easier as we just fix up their class - pointers. */ - for (inst = &statics->instances[0]; *inst; inst++) - (*inst)->class_pointer = class; - } - } - } - if (module_initialized) - { - /* Remove this module from the uninitialized list. */ - struct objc_list *this = *cell; - *cell = this->tail; - objc_free (this); - } - else - cell = &(*cell)->tail; - } - - objc_mutex_unlock (__objc_runtime_mutex); -} - -/* This function is called by constructor functions generated for each - module compiled. (_GLOBAL_$I$...) The purpose of this function is - to gather the module pointers so that they may be processed by the - initialization routines as soon as possible. */ -void -__objc_exec_class (struct objc_module *module) -{ - /* Have we processed any constructors previously? This flag is used - to indicate that some global data structures need to be - built. */ - static BOOL previous_constructors = 0; - - static struct objc_list *unclaimed_categories = 0; - - /* The symbol table (defined in objc-private/module-abi-8.h) - generated by gcc. */ - struct objc_symtab *symtab = module->symtab; - - /* The statics in this module. */ - struct objc_static_instances **statics - = symtab->defs[symtab->cls_def_cnt + symtab->cat_def_cnt]; - - /* Entry used to traverse hash lists. */ - struct objc_list **cell; - - /* The table of selector references for this module. */ - struct objc_selector *selectors = symtab->refs; - - int i; - - DEBUG_PRINTF ("\n__objc_exec_class (%p) - start processing module...\n", module); - - /* Check gcc version. */ - init_check_module_version (module); - - /* On the first call of this routine, initialize some data - structures. */ - if (! previous_constructors) - { - /* Initialize thread-safe system. */ - __objc_init_thread_system (); - __objc_runtime_threads_alive = 1; - __objc_runtime_mutex = objc_mutex_allocate (); - - __objc_init_selector_tables (); - __objc_init_class_tables (); - __objc_init_dispatch_tables (); - duplicate_classes = objc_hash_new (8, - (hash_func_type)objc_hash_ptr, - objc_compare_ptrs); - __objc_load_methods = objc_hash_new (128, - (hash_func_type)objc_hash_ptr, - objc_compare_ptrs); - __objc_protocols_init (); - __objc_accessors_init (); - __objc_sync_init (); - previous_constructors = 1; - } - - /* Save the module pointer so that later we remember to call +load - on all classes and categories on it. */ - objc_mutex_lock (__objc_runtime_mutex); - __objc_module_list = list_cons (module, __objc_module_list); - - /* Replace referenced selectors from names to SELs. */ - if (selectors) - { - DEBUG_PRINTF (" registering selectors\n"); - __objc_register_selectors_from_module (selectors); - } - - /* Parse the classes in the load module and gather selector - information. */ - for (i = 0; i < symtab->cls_def_cnt; ++i) - { - Class class = (Class) symtab->defs[i]; - const char *superclass = (char *) class->super_class; - - /* Make sure we have what we think. */ - assert (CLS_ISCLASS (class)); - assert (CLS_ISMETA (class->class_pointer)); - DEBUG_PRINTF (" installing class '%s'\n", class->name); - - /* Workaround for a bug in clang: Clang may set flags other than - _CLS_CLASS and _CLS_META even when compiling for the - traditional ABI (version 8), confusing our runtime. Try to - wipe these flags out. */ - if (CLS_ISCLASS (class)) - __CLS_INFO (class) = _CLS_CLASS; - else - __CLS_INFO (class) = _CLS_META; - - /* Initialize the subclass list to be NULL. In some cases it - isn't and this crashes the program. */ - class->subclass_list = NULL; - - if (__objc_init_class (class)) - { - /* Check to see if the superclass is known in this point. If - it's not add the class to the unresolved_classes list. */ - if (superclass && ! objc_getClass (superclass)) - unresolved_classes = list_cons (class, unresolved_classes); - } - } - - /* Process category information from the module. */ - for (i = 0; i < symtab->cat_def_cnt; ++i) - { - struct objc_category *category = symtab->defs[i + symtab->cls_def_cnt]; - Class class = objc_getClass (category->class_name); - - /* If the class for the category exists then append its - methods. */ - if (class) - { - DEBUG_PRINTF (" installing category '%s (%s)'\n", category->class_name, category->category_name); - /* Do instance methods. */ - if (category->instance_methods) - class_add_method_list (class, category->instance_methods); - - /* Do class methods. */ - if (category->class_methods) - class_add_method_list ((Class) class->class_pointer, - category->class_methods); - - if (category->protocols) - { - __objc_init_protocols (category->protocols); - __objc_class_add_protocols (class, category->protocols); - } - - /* Register the instance methods as class methods, this is - only done for root classes. */ - __objc_register_instance_methods_to_class (class); - } - else - { - DEBUG_PRINTF (" delaying installation of category '%s (%s)'\n", category->class_name, category->category_name); - /* The object to which the category methods belong can't be - found. Save the information. */ - unclaimed_categories = list_cons (category, unclaimed_categories); - } - } - - if (statics) - uninitialized_statics = list_cons (statics, uninitialized_statics); - if (uninitialized_statics) - objc_init_statics (); - - /* Scan the unclaimed category hash. Attempt to attach any - unclaimed categories to objects. */ - for (cell = &unclaimed_categories; *cell; ) - { - struct objc_category *category = (*cell)->head; - Class class = objc_getClass (category->class_name); - - if (class) - { - DEBUG_PRINTF (" installing (delayed) category '%s (%s)'\n", category->class_name, category->category_name); - list_remove_head (cell); - - if (category->instance_methods) - class_add_method_list (class, category->instance_methods); - - if (category->class_methods) - class_add_method_list ((Class) class->class_pointer, - category->class_methods); - - if (category->protocols) - { - __objc_init_protocols (category->protocols); - __objc_class_add_protocols (class, category->protocols); - } - - /* Register the instance methods as class methods, this is - only done for root classes. */ - __objc_register_instance_methods_to_class (class); - } - else - cell = &(*cell)->tail; - } - - if (unclaimed_proto_list && objc_getClass ("Protocol")) - { - list_mapcar (unclaimed_proto_list, - (void (*) (void *))__objc_init_protocols); - list_free (unclaimed_proto_list); - unclaimed_proto_list = 0; - } - - objc_send_load (); - - /* Check if there are no unresolved classes (ie, classes whose - superclass has not been loaded yet) and that the 'Object' class, - used as the class of classes, exist. If so, it is worth - "resolving the class links" at this point, which will setup all - the class/superclass pointers. */ - if (!unresolved_classes && objc_getClass ("Object")) - { - DEBUG_PRINTF (" resolving class links\n"); - __objc_resolve_class_links (); - } - - objc_mutex_unlock (__objc_runtime_mutex); - - DEBUG_PRINTF ("__objc_exec_class (%p) - finished processing module...\n\n", module); -} - -/* This function needs to be called with the objc_runtime_mutex - locked. */ -static void -objc_send_load (void) -{ - if (!__objc_module_list) - return; - - /* Try to find out if all the classes loaded so far also have their - superclasses known to the runtime. We suppose that the objects - that are allocated in the +load method are in general of a class - declared in the same module. */ - if (unresolved_classes) - { - Class class = unresolved_classes->head; - - while (objc_getClass ((char *) class->super_class)) - { - list_remove_head (&unresolved_classes); - if (unresolved_classes) - class = unresolved_classes->head; - else - break; - } - - /* If we still have classes for whom we don't have yet their - super classes known to the runtime we don't send the +load - messages (and call the load callback) yet. */ - if (unresolved_classes) - return; - } - - /* Special check. If 'Object', which is used by meta-classes, has - not been loaded yet, delay sending of +load. */ - if (! objc_getClass ("Object")) - return; - - /* Iterate over all modules in the __objc_module_list and call on - them the __objc_create_classes_tree function. This function - creates a tree of classes that resembles the class hierarchy. */ - list_mapcar (__objc_module_list, - (void (*) (void *)) __objc_create_classes_tree); - - while (__objc_class_tree_list) - { -#ifdef DEBUG - objc_preorder_traverse (__objc_class_tree_list->head, - 0, __objc_tree_print); -#endif - objc_preorder_traverse (__objc_class_tree_list->head, - 0, __objc_send_load); - objc_postorder_traverse (__objc_class_tree_list->head, - 0, __objc_destroy_class_tree_node); - list_remove_head (&__objc_class_tree_list); - } - - /* For each module, call the _objc_load_callback if any is - defined. */ - list_mapcar (__objc_module_list, (void (*) (void *)) __objc_call_load_callback); - - /* Empty the list of modules. */ - list_free (__objc_module_list); - __objc_module_list = NULL; -} - -static void -__objc_create_classes_tree (struct objc_module *module) -{ - /* The runtime mutex is locked at this point */ - struct objc_symtab *symtab = module->symtab; - int i; - - /* Iterate thru classes defined in this module and insert them in - the classes tree hierarchy. */ - for (i = 0; i < symtab->cls_def_cnt; i++) - { - Class class = (Class) symtab->defs[i]; - - if (!objc_hash_is_key_in_hash (duplicate_classes, class)) - objc_tree_insert_class (class); - } - - /* Now iterate over "claimed" categories too (ie, categories that - extend a class that has already been loaded by the runtime), and - insert them in the classes tree hiearchy too. Otherwise, if you - add a category, its +load method would not be called if the class - is already loaded in the runtime. It the category is - "unclaimed", ie, we haven't loaded the main class yet, postpone - sending +load as we want to execute +load from the class before - we execute the one from the category. */ - for (i = 0; i < symtab->cat_def_cnt; ++i) - { - struct objc_category *category = symtab->defs[i + symtab->cls_def_cnt]; - Class class = objc_getClass (category->class_name); - - /* If the class for the category exists then append its - methods. */ - if (class) - objc_tree_insert_class (class); - } -} - -static void -__objc_call_load_callback (struct objc_module *module) -{ - if (_objc_load_callback) - { - /* The runtime mutex is locked at this point. */ - struct objc_symtab *symtab = module->symtab; - int i; - - /* Iterate thru classes defined in this module and call the callback - for each one. */ - for (i = 0; i < symtab->cls_def_cnt; i++) - { - Class class = (Class) symtab->defs[i]; - - if (!objc_hash_is_key_in_hash (duplicate_classes, class)) - { - /* Call the _objc_load_callback for this class. */ - DEBUG_PRINTF (" calling the load callback for class '%s'\n", class->name); - _objc_load_callback (class, 0); - } - } - - /* Call the _objc_load_callback for categories. Don't register - the instance methods as class methods for categories to root - classes since they were already added in the class. */ - for (i = 0; i < symtab->cat_def_cnt; i++) - { - struct objc_category *category = symtab->defs[i + symtab->cls_def_cnt]; - Class class = objc_getClass (category->class_name); - - DEBUG_PRINTF (" calling the load callback for category '%s (%s)'\n", - category->class_name, category->category_name); - _objc_load_callback (class, category); - } - } -} - -/* Sanity check the version of gcc used to compile `module'. */ -static void -init_check_module_version (struct objc_module *module) -{ - if ((module->version != OBJC_VERSION) || (module->size != sizeof (struct objc_module))) - { - _objc_abort ("Module %s version %d doesn't match runtime %d\n", - module->name, (int)module->version, OBJC_VERSION); - } -} - -/* __objc_init_class must be called with __objc_runtime_mutex already - locked. Return YES if the class could be setup; return NO if the - class could not be setup because a class with the same name already - exists. */ -BOOL -__objc_init_class (Class class) -{ - /* Store the class in the class table and assign class numbers. */ - if (__objc_add_class_to_hash (class)) - { - /* Register all of the selectors in the class and meta class. */ - __objc_register_selectors_from_class (class); - __objc_register_selectors_from_class ((Class) class->class_pointer); - - /* Install the fake dispatch tables. */ - __objc_install_premature_dtable (class); - __objc_install_premature_dtable (class->class_pointer); - - /* Register the instance methods as class methods, this is only - done for root classes. */ - __objc_register_instance_methods_to_class (class); - - if (class->protocols) - __objc_init_protocols (class->protocols); - - return YES; - } - else - { - /* The module contains a duplicate class. Remember it so that - we will ignore it later. */ - DEBUG_PRINTF (" duplicate class '%s' - will be ignored\n", class->name); - objc_hash_add (&duplicate_classes, class, class); - return NO; - } -} - -/* __objc_init_protocol must be called with __objc_runtime_mutex - already locked, and the "Protocol" class already registered. */ -static void -__objc_init_protocol (struct objc_protocol *protocol) -{ - static Class proto_class = 0; - - if (! proto_class) - proto_class = objc_getClass ("Protocol"); - - if (((size_t)protocol->class_pointer) == PROTOCOL_VERSION) - { - /* Assign class pointer. */ - protocol->class_pointer = proto_class; - - /* Register all the selectors in the protocol with the runtime. - This both registers the selectors with the right types, and - it also fixes up the 'struct objc_method' structures inside - the protocol so that each method_name (a char * as compiled - by the compiler) is replaced with the appropriate runtime - SEL. */ - if (protocol->class_methods) - __objc_register_selectors_from_description_list (protocol->class_methods); - - if (protocol->instance_methods) - __objc_register_selectors_from_description_list (protocol->instance_methods); - - /* Register the protocol in the hashtable or protocols by - name. */ - __objc_protocols_add_protocol (protocol->protocol_name, protocol); - - /* Init super protocols. */ - __objc_init_protocols (protocol->protocol_list); - } - else if (protocol->class_pointer != proto_class) - { - _objc_abort ("Version %d doesn't match runtime protocol version %d\n", - (int) ((char *) protocol->class_pointer - - (char *) 0), - PROTOCOL_VERSION); - } -} - -static void -__objc_init_protocols (struct objc_protocol_list *protos) -{ - size_t i; - static Class proto_class = 0; - - if (! protos) - return; - - objc_mutex_lock (__objc_runtime_mutex); - - if (! proto_class) - proto_class = objc_getClass ("Protocol"); - - if (! proto_class) - { - unclaimed_proto_list = list_cons (protos, unclaimed_proto_list); - objc_mutex_unlock (__objc_runtime_mutex); - return; - } - -#if 0 - assert (protos->next == 0); /* Only single ones allowed. */ -#endif - - for (i = 0; i < protos->count; i++) - { - struct objc_protocol *aProto = protos->list[i]; - __objc_init_protocol (aProto); - } - - objc_mutex_unlock (__objc_runtime_mutex); -} - -static void -__objc_class_add_protocols (Class class, struct objc_protocol_list *protos) -{ - if (! protos) - return; - - protos->next = class->protocols; - class->protocols = protos; -} diff --git a/gcc-4.7/libobjc/ivars.c b/gcc-4.7/libobjc/ivars.c deleted file mode 100644 index 6111a03ea..000000000 --- a/gcc-4.7/libobjc/ivars.c +++ /dev/null @@ -1,376 +0,0 @@ -/* GNU Objective C Runtime ivar related functions. - Copyright (C) 2010 Free Software Foundation, Inc. - Contributed by Nicola Pero - -This file is part of GCC. - -GCC is free software; you can redistribute it and/or modify it under the -terms of the GNU General Public License as published by the Free Software -Foundation; either version 3, or (at your option) any later version. - -GCC is distributed in the hope that it will be useful, but WITHOUT ANY -WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more -details. - -Under Section 7 of GPL version 3, you are granted additional -permissions described in the GCC Runtime Library Exception, version -3.1, as published by the Free Software Foundation. - -You should have received a copy of the GNU General Public License and -a copy of the GCC Runtime Library Exception along with this program; -see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -. */ - -#include "objc-private/common.h" -#include "objc/runtime.h" -#include "objc-private/module-abi-8.h" /* For runtime structures */ -#include "objc/thr.h" -#include "objc-private/runtime.h" /* the kitchen sink */ -#include /* For strcmp. */ -#include /* For malloc. */ - -struct objc_ivar * -class_getInstanceVariable (Class class_, const char *name) -{ - if (class_ != Nil && name != NULL && ! CLS_IS_IN_CONSTRUCTION (class_)) - { - while (class_ != Nil) - { - struct objc_ivar_list *ivars = class_->ivars; - if (ivars != NULL) - { - int i; - - for (i = 0; i < ivars->ivar_count; i++) - { - struct objc_ivar *ivar = &(ivars->ivar_list[i]); - - if (!strcmp (ivar->ivar_name, name)) - return ivar; - } - } - class_ = class_getSuperclass (class_); - } - } - return NULL; -} - -struct objc_ivar * -class_getClassVariable (Class class_, const char *name) -{ - if (class_ == Nil) - return NULL; - - /* Logically, since a class is an instance of its meta-class, and - since its class methods are the instance methods of the - meta-class, class variables should be instance variables of the - meta-class. That is different from the normal use of having - 'static' variables in the class implementation file, because - every class would have its own variables. - - Anyway, it is all speculative at this stage, but if we get class - variables in Objective-C, it is conceivable that this - implementation should work. */ - return class_getInstanceVariable (class_->class_pointer, name); -} - -void * -object_getIndexedIvars (id object) -{ - if (object == nil) - return NULL; - else - return (void *)(((char *)object) - + object->class_pointer->instance_size); -} - -struct objc_ivar * -object_getInstanceVariable (id object, const char *name, void **returnValue) -{ - if (object == nil || name == NULL) - return NULL; - else - { - struct objc_ivar * variable = class_getInstanceVariable (object->class_pointer, name); - - if (variable != NULL && returnValue != NULL) - { - char *location = (char *)object + variable->ivar_offset; - - *returnValue = *((id *)location); - } - - return variable; - } -} - -struct objc_ivar * -object_setInstanceVariable (id object, const char *name, void *newValue) -{ - if (object == nil || name == NULL) - return NULL; - else - { - struct objc_ivar * variable = class_getInstanceVariable (object->class_pointer, name); - - if (variable != NULL) - { - char *location = (char *)object + variable->ivar_offset; - - *((id *)location) = (id)newValue; - } - - return variable; - } -} - -id object_getIvar (id object, struct objc_ivar * variable) -{ - if (object == nil || variable == NULL) - return nil; - else - { - char *location = (char *)object + variable->ivar_offset; - - return *((id *)location); - } -} - -void object_setIvar (id object, struct objc_ivar * variable, id value) -{ - if (object == nil || variable == NULL) - return; - else - { - char *location = (char *)object + variable->ivar_offset; - - *((id *)location) = value; - } -} - -const char * ivar_getName (struct objc_ivar * variable) -{ - if (variable == NULL) - return NULL; - - return variable->ivar_name; -} - -ptrdiff_t ivar_getOffset (struct objc_ivar * variable) -{ - if (variable == NULL) - return 0; - - return (ptrdiff_t)(variable->ivar_offset); -} - -const char * ivar_getTypeEncoding (struct objc_ivar * variable) -{ - if (variable == NULL) - return NULL; - - return variable->ivar_type; -} - -struct objc_ivar ** class_copyIvarList (Class class_, unsigned int *numberOfReturnedIvars) -{ - unsigned int count = 0; - struct objc_ivar **returnValue = NULL; - struct objc_ivar_list* ivar_list; - - if (class_ == Nil || CLS_IS_IN_CONSTRUCTION (class_)) - { - if (numberOfReturnedIvars) - *numberOfReturnedIvars = 0; - return NULL; - } - - /* Count how many ivars we have. */ - ivar_list = class_->ivars; - count = ivar_list->ivar_count; - - if (count != 0) - { - unsigned int i = 0; - - /* Allocate enough memory to hold them. */ - returnValue = (struct objc_ivar **)(malloc (sizeof (struct objc_ivar *) * (count + 1))); - - /* Copy the ivars. */ - for (i = 0; i < count; i++) - returnValue[i] = &(ivar_list->ivar_list[i]); - - returnValue[i] = NULL; - } - - if (numberOfReturnedIvars) - *numberOfReturnedIvars = count; - - return returnValue; -} - -BOOL -class_addIvar (Class class_, const char * ivar_name, size_t size, - unsigned char log_2_of_alignment, const char *type) -{ - struct objc_ivar_list *ivars; - - if (class_ == Nil - || (! CLS_IS_IN_CONSTRUCTION (class_)) - || ivar_name == NULL - || (strcmp (ivar_name, "") == 0) - || size == 0 - || type == NULL) - return NO; - - /* Check if the class has an instance variable with that name - already. */ - ivars = class_->ivars; - - if (ivars != NULL) - { - int i; - - for (i = 0; i < ivars->ivar_count; i++) - { - struct objc_ivar *ivar = &(ivars->ivar_list[i]); - - if (strcmp (ivar->ivar_name, ivar_name) == 0) - return NO; - } - } - - /* Ok, no direct ivars. Check superclasses. */ - if (class_getInstanceVariable (objc_getClass ((char *)(class_->super_class)), - ivar_name)) - return NO; - - /* Good. Create space for the new instance variable. */ - if (ivars) - { - int ivar_count = ivars->ivar_count + 1; - int new_size = sizeof (struct objc_ivar_list) - + (ivar_count - 1) * sizeof (struct objc_ivar); - - ivars = (struct objc_ivar_list*) objc_realloc (ivars, new_size); - ivars->ivar_count = ivar_count; - class_->ivars = ivars; - } - else - { - int new_size = sizeof (struct objc_ivar_list); - - ivars = (struct objc_ivar_list*) objc_malloc (new_size); - ivars->ivar_count = 1; - class_->ivars = ivars; - } - - /* Now ivars is set to a list of instance variables of the right - size. */ - { - struct objc_ivar *ivar = &(ivars->ivar_list[ivars->ivar_count - 1]); - unsigned int alignment = 1 << log_2_of_alignment; - int misalignment; - - ivar->ivar_name = objc_malloc (strlen (ivar_name) + 1); - strcpy ((char *)ivar->ivar_name, ivar_name); - - ivar->ivar_type = objc_malloc (strlen (type) + 1); - strcpy ((char *)ivar->ivar_type, type); - - /* The new instance variable is placed at the end of the existing - instance_size, at the first byte that is aligned with - alignment. */ - misalignment = class_->instance_size % alignment; - - if (misalignment == 0) - ivar->ivar_offset = class_->instance_size; - else - ivar->ivar_offset = class_->instance_size - misalignment + alignment; - - class_->instance_size = ivar->ivar_offset + size; - } - - return YES; -} - - -const char * -property_getName (struct objc_property * property __attribute__ ((__unused__))) -{ - if (property == NULL) - return NULL; - - /* TODO: New ABI. */ - /* The current ABI does not have any information on properties. */ - return NULL; -} - -const char * -property_getAttributes (struct objc_property * property __attribute__ ((__unused__))) -{ - if (property == NULL) - return NULL; - - /* TODO: New ABI. */ - /* The current ABI does not have any information on properties. */ - return NULL; -} - -struct objc_property * -class_getProperty (Class class_ __attribute__ ((__unused__)), - const char *propertyName __attribute__ ((__unused__))) -{ - if (class_ == NULL || propertyName == NULL) - return NULL; - - /* TODO: New ABI. */ - /* The current ABI does not have any information on class properties. */ - return NULL; -} - -struct objc_property ** -class_copyPropertyList (Class class_ __attribute__ ((__unused__)), - unsigned int *numberOfReturnedProperties __attribute__ ((__unused__))) -{ - if (class_ == Nil) - { - if (numberOfReturnedProperties) - *numberOfReturnedProperties = 0; - return NULL; - } - - /* TODO: New ABI. */ - /* The current ABI does not have any information on class properties. */ - if (numberOfReturnedProperties) - *numberOfReturnedProperties = 0; - - return NULL; -} - -const char * -class_getIvarLayout (Class class_ __attribute__ ((__unused__))) -{ - return NULL; -} - -const char * -class_getWeakIvarLayout (Class class_ __attribute__ ((__unused__))) -{ - return NULL; -} - -void -class_setIvarLayout (Class class_ __attribute__ ((__unused__)), - const char *layout __attribute__ ((__unused__))) -{ - return; -} - -void -class_setWeakIvarLayout (Class class_ __attribute__ ((__unused__)), - const char *layout __attribute__ ((__unused__))) -{ - return; -} diff --git a/gcc-4.7/libobjc/libobjc.def b/gcc-4.7/libobjc/libobjc.def deleted file mode 100644 index 8a295c824..000000000 --- a/gcc-4.7/libobjc/libobjc.def +++ /dev/null @@ -1,101 +0,0 @@ -; GNU Objective C Runtime DLL Export Definitions -; Copyright (C) 1997, 2001, 2003, 2005, 2009, 2010 -; Free Software Foundation, Inc. -; Contributed by Scott Christley -; -; This file is part of GCC. -; -; GCC is free software; you can redistribute it and/or modify it under the -; terms of the GNU General Public License as published by the Free Software -; Foundation; either version 3, or (at your option) any later version. -; -; GCC is distributed in the hope that it will be useful, but WITHOUT ANY -; WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -; FOR A PARTICULAR PURPOSE. See the GNU General Public License for more -; details. -; -; You should have received a copy of the GNU General Public License along with -; GCC; see the file COPYING3. If not, see . - -; FIXME: This file needs to be updated or removed - -LIBRARY libobjc -EXPORTS -search_for_method_in_list -objc_get_uninstalled_dtable -_objc_load_callback -objc_malloc -objc_atomic_malloc -objc_realloc -objc_calloc -objc_free -__objc_init_thread_system -objc_mutex_allocate -objc_mutex_deallocate -objc_mutex_lock -objc_mutex_trylock -objc_mutex_unlock -objc_thread_detach -objc_thread_exit -objc_thread_get_data -objc_thread_get_priority -objc_thread_id -objc_thread_set_data -objc_thread_set_priority -objc_thread_yield -objc_thread_add -objc_thread_remove -__objc_class_name_Object -__objc_class_name_Protocol -__objc_class_name_NXConstantString -class_create_instance -object_copy -object_dispose -__objc_init_selector_tables -__objc_register_selectors_from_class -__sel_register_typed_name -sel_get_any_typed_uid -sel_get_any_uid -sel_get_name -sel_get_type -sel_get_typed_uid -sel_get_uid -sel_is_mapped -sel_register_name -sel_register_typed_name -sel_types_match -method_get_first_argument -method_get_next_argument -method_get_nth_argument -method_get_number_of_arguments -method_get_sizeof_arguments -objc_aligned_size -objc_alignof_type -objc_get_type_qualifiers -objc_promoted_size -objc_sizeof_type -objc_skip_argspec -objc_skip_offset -objc_skip_type_qualifiers -objc_skip_typespec -__objc_exec_class -__objc_init_dispatch_tables -__objc_install_premature_dtable -__objc_print_dtable_stats -__objc_update_dispatch_table_for_class -class_add_method_list -class_get_class_method -class_get_instance_method -get_imp -nil_method -objc_msg_lookup -objc_msg_lookup_super -objc_msg_sendv -__objc_add_class_to_hash -__objc_init_class_tables -__objc_resolve_class_links -class_pose_as -objc_get_class -objc_get_meta_class -objc_lookup_class -objc_next_class diff --git a/gcc-4.7/libobjc/linking.m b/gcc-4.7/libobjc/linking.m deleted file mode 100644 index cf28e5696..000000000 --- a/gcc-4.7/libobjc/linking.m +++ /dev/null @@ -1,36 +0,0 @@ -/* Force linking of classes required by Objective C runtime. - Copyright (C) 1997, 2009, 2010 Free Software Foundation, Inc. - Contributed by Ovidiu Predescu (ovidiu@net-community.com). - -This file is part of GCC. - -GCC is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 3, or (at your option) -any later version. - -GCC is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -Under Section 7 of GPL version 3, you are granted additional -permissions described in the GCC Runtime Library Exception, version -3.1, as published by the Free Software Foundation. - -You should have received a copy of the GNU General Public License and -a copy of the GCC Runtime Library Exception along with this program; -see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -. */ - -#include "objc-private/common.h" -#include - -/* Generate references to Object class since it is needed by the - runtime system to run correctly. */ - -void __objc_linking (void) -{ - [Object class]; -} - diff --git a/gcc-4.7/libobjc/memory.c b/gcc-4.7/libobjc/memory.c deleted file mode 100644 index c02176ef8..000000000 --- a/gcc-4.7/libobjc/memory.c +++ /dev/null @@ -1,135 +0,0 @@ -/* GNU Objective C Runtime Memory allocation functions - Copyright (C) 1993, 1994, 1995, 1996, 1997, 2002, 2009, 2010 - Free Software Foundation, Inc. - Contributed by Kresten Krab Thorup - -This file is part of GCC. - -GCC is free software; you can redistribute it and/or modify it -under the terms of the GNU General Public License as published by the -Free Software Foundation; either version 3, or (at your option) any -later version. - -GCC is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or -FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -for more details. - -Under Section 7 of GPL version 3, you are granted additional -permissions described in the GCC Runtime Library Exception, version -3.1, as published by the Free Software Foundation. - -You should have received a copy of the GNU General Public License and -a copy of the GCC Runtime Library Exception along with this program; -see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -. */ - -/* This file includes the standard functions for memory allocation and - disposal. Users should use these functions in their ObjC programs - so that they work properly with garbage collectors. */ - -/* TODO: Turn these into macros or inline functions. */ - -#include "objc-private/common.h" -#include "objc-private/error.h" - -/* __USE_FIXED_PROTOTYPES__ used to be required to get prototypes for - malloc, free, etc. on some platforms. It is unclear if we still - need it, but it can't hurt. */ -#define __USE_FIXED_PROTOTYPES__ -#include - -#include "objc/runtime.h" - -#if OBJC_WITH_GC -#include - -void * -objc_malloc (size_t size) -{ - void *res = (void *)(GC_malloc (size)); - if (! res) - _objc_abort ("Virtual memory exhausted\n"); - return res; -} - -void * -objc_atomic_malloc (size_t size) -{ - void *res = (void *)(GC_malloc_atomic (size)); - if (! res) - _objc_abort ("Virtual memory exhausted\n"); - return res; -} - -void * -objc_realloc (void *mem, size_t size) -{ - void *res = (void *)(GC_realloc (mem, size)); - if (! res) - _objc_abort ("Virtual memory exhausted\n"); - return res; -} - -void * -objc_calloc (size_t nelem, size_t size) -{ - /* Note that GC_malloc returns cleared memory (see documentation) so - there is no need to clear it. */ - void *res = (void *)(GC_malloc (nelem * size)); - if (! res) - _objc_abort ("Virtual memory exhausted\n"); - return res; -} - -void -objc_free (void *mem __attribute__ ((__unused__))) -{ - return; -} - -#else - -void * -objc_malloc (size_t size) -{ - void *res = (void *)(malloc (size)); - if (! res) - _objc_abort ("Virtual memory exhausted\n"); - return res; -} - -void * -objc_atomic_malloc (size_t size) -{ - void *res = (void *)(malloc (size)); - if (! res) - _objc_abort ("Virtual memory exhausted\n"); - return res; -} - -void * -objc_realloc (void *mem, size_t size) -{ - void *res = (void *)(realloc (mem, size)); - if (! res) - _objc_abort ("Virtual memory exhausted\n"); - return res; -} - -void * -objc_calloc (size_t nelem, size_t size) -{ - void *res = (void *)(calloc (nelem, size)); - if (! res) - _objc_abort ("Virtual memory exhausted\n"); - return res; -} - -void -objc_free (void *mem) -{ - free (mem); -} - -#endif /* !OBJC_WITH_GC */ diff --git a/gcc-4.7/libobjc/methods.c b/gcc-4.7/libobjc/methods.c deleted file mode 100644 index b4faee533..000000000 --- a/gcc-4.7/libobjc/methods.c +++ /dev/null @@ -1,177 +0,0 @@ -/* GNU Objective C Runtime method related functions. - Copyright (C) 2010 Free Software Foundation, Inc. - Contributed by Nicola Pero - -This file is part of GCC. - -GCC is free software; you can redistribute it and/or modify it under the -terms of the GNU General Public License as published by the Free Software -Foundation; either version 3, or (at your option) any later version. - -GCC is distributed in the hope that it will be useful, but WITHOUT ANY -WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more -details. - -Under Section 7 of GPL version 3, you are granted additional -permissions described in the GCC Runtime Library Exception, version -3.1, as published by the Free Software Foundation. - -You should have received a copy of the GNU General Public License and -a copy of the GCC Runtime Library Exception along with this program; -see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -. */ - -#include "objc-private/common.h" -#include "objc/runtime.h" -#include "objc-private/module-abi-8.h" /* For runtime structures. */ -#include "objc/thr.h" -#include "objc-private/runtime.h" /* For __objc_runtime_mutex. */ -#include /* For malloc. */ - -SEL -method_getName (struct objc_method * method) -{ - if (method == NULL) - return NULL; - - return method->method_name; -} - -const char * -method_getTypeEncoding (struct objc_method * method) -{ - if (method == NULL) - return NULL; - - return method->method_types; -} - -IMP -method_getImplementation (struct objc_method * method) -{ - if (method == NULL) - return NULL; - - return method->method_imp; -} - -struct objc_method_description * -method_getDescription (struct objc_method * method) -{ - /* Note that the following returns NULL if method is NULL, which is - fine. */ - return (struct objc_method_description *)method; -} - -struct objc_method ** -class_copyMethodList (Class class_, unsigned int *numberOfReturnedMethods) -{ - unsigned int count = 0; - struct objc_method **returnValue = NULL; - struct objc_method_list* method_list; - - if (class_ == Nil) - { - if (numberOfReturnedMethods) - *numberOfReturnedMethods = 0; - return NULL; - } - - /* Lock the runtime mutex because the class methods may be - concurrently modified. */ - objc_mutex_lock (__objc_runtime_mutex); - - /* Count how many methods we have. */ - method_list = class_->methods; - - while (method_list) - { - count = count + method_list->method_count; - method_list = method_list->method_next; - } - - if (count != 0) - { - unsigned int i = 0; - - /* Allocate enough memory to hold them. */ - returnValue - = (struct objc_method **)(malloc (sizeof (struct objc_method *) - * (count + 1))); - - /* Copy the methods. */ - method_list = class_->methods; - - while (method_list) - { - int j; - for (j = 0; j < method_list->method_count; j++) - { - returnValue[i] = &(method_list->method_list[j]); - i++; - } - method_list = method_list->method_next; - } - - returnValue[i] = NULL; - } - - objc_mutex_unlock (__objc_runtime_mutex); - - if (numberOfReturnedMethods) - *numberOfReturnedMethods = count; - - return returnValue; -} - -IMP -method_setImplementation (struct objc_method * method, IMP implementation) -{ - IMP old_implementation; - - if (method == NULL || implementation == NULL) - return NULL; - - /* We lock the runtime mutex so that concurrent calls to change the - same method won't conflict with each other. */ - objc_mutex_lock (__objc_runtime_mutex); - - old_implementation = method->method_imp; - method->method_imp = implementation; - - /* That was easy :-). But now we need to find all classes that use - this method, and update the IMP in the dispatch tables. */ - __objc_update_classes_with_methods (method, NULL); - - objc_mutex_unlock (__objc_runtime_mutex); - - return old_implementation; -} - -void -method_exchangeImplementations (struct objc_method * method_a, struct objc_method * method_b) -{ - IMP old_implementation_a; - IMP old_implementation_b; - - if (method_a == NULL || method_b == NULL) - return; - - /* We lock the runtime mutex so that concurrent calls to exchange - similar methods won't conflict with each other. Each of them - should be atomic. */ - objc_mutex_lock (__objc_runtime_mutex); - - old_implementation_a = method_a->method_imp; - old_implementation_b = method_b->method_imp; - - method_a->method_imp = old_implementation_b; - method_b->method_imp = old_implementation_a; - - /* That was easy :-). But now we need to find all classes that use - these methods, and update the IMP in the dispatch tables. */ - __objc_update_classes_with_methods (method_a, method_b); - - objc_mutex_unlock (__objc_runtime_mutex); -} diff --git a/gcc-4.7/libobjc/nil_method.c b/gcc-4.7/libobjc/nil_method.c deleted file mode 100644 index 15e3d528c..000000000 --- a/gcc-4.7/libobjc/nil_method.c +++ /dev/null @@ -1,56 +0,0 @@ -/* GNU Objective C Runtime nil receiver function - Copyright (C) 1993, 1995, 1996, 2002, 2009, 2010 - Free Software Foundation, Inc. - Contributed by Kresten Krab Thorup - -This file is part of GCC. - -GCC is free software; you can redistribute it and/or modify it under the -terms of the GNU General Public License as published by the Free Software -Foundation; either version 3, or (at your option) any later version. - -GCC is distributed in the hope that it will be useful, but WITHOUT ANY -WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more -details. - -Under Section 7 of GPL version 3, you are granted additional -permissions described in the GCC Runtime Library Exception, version -3.1, as published by the Free Software Foundation. - -You should have received a copy of the GNU General Public License and -a copy of the GCC Runtime Library Exception along with this program; -see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -. */ - - -/* This is the nil method, the function that is called when the receiver - of a method is nil */ - -#include "objc-private/common.h" -#include "objc/objc.h" - -/* When the receiver of a method invocation is nil, the runtime - returns nil_method() as the method implementation. This function - will be casted to whatever function was supposed to be executed to - execute that method (that function will take an id, followed by a - SEL, followed by who knows what arguments, depends on the method), - and executed. - - For this reason, nil_method() should be a function which can be - called in place of any function taking an 'id' argument followed by - a 'SEL' argument, followed by zero, or one, or any number of - arguments (both a fixed number, or a variable number !). - - There is no "proper" implementation of such a nil_method function - in C, however in all existing implementations it does not matter - when extra arguments are present, so we can simply create a function - taking a receiver and a selector, and all other arguments will be - ignored. :-) -*/ - -id -nil_method (id receiver, SEL op __attribute__ ((__unused__))) -{ - return receiver; -} diff --git a/gcc-4.7/libobjc/objc-foreach.c b/gcc-4.7/libobjc/objc-foreach.c deleted file mode 100644 index 911206118..000000000 --- a/gcc-4.7/libobjc/objc-foreach.c +++ /dev/null @@ -1,51 +0,0 @@ -/* GNU Objective C Runtime 'fast enumeration' implementation - Copyright (C) 2010 Free Software Foundation, Inc. - Contributed by Nicola Pero - -This file is part of GCC. - -GCC is free software; you can redistribute it and/or modify it under the -terms of the GNU General Public License as published by the Free Software -Foundation; either version 3, or (at your option) any later version. - -GCC is distributed in the hope that it will be useful, but WITHOUT ANY -WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more -details. - -Under Section 7 of GPL version 3, you are granted additional -permissions described in the GCC Runtime Library Exception, version -3.1, as published by the Free Software Foundation. - -You should have received a copy of the GNU General Public License and -a copy of the GCC Runtime Library Exception along with this program; -see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -. */ - -/* This file implements objc_enumeration_mutation() and - objc_set_enumeration_mutation_handler(), the two functions required - to handle mutations during a fast enumeration. */ -#include "objc-private/common.h" -#include "objc-private/error.h" /* For _objc_abort() */ -#include "objc/runtime.h" /* For objc_enumerationMutation() and objc_set_enumeration_mutation_handler() */ - -/* The enumeration mutation handler currently in use. */ -static void (*__objc_enumeration_mutation_handler)(id) = NULL; - -void -objc_setEnumerationMutationHandler (void (*handler)(id)) -{ - __objc_enumeration_mutation_handler = handler; -} - -void -objc_enumerationMutation (id collection) -{ - if (__objc_enumeration_mutation_handler != NULL) - (*__objc_enumeration_mutation_handler) (collection); - - /* We always abort if we get here; there is no point in going on as - the next iteration in the fast enumeration would probably go - deeply wrong. */ - _objc_abort ("Collection %p mutated during fast enumeration", collection); -} diff --git a/gcc-4.7/libobjc/objc-private/README b/gcc-4.7/libobjc/objc-private/README deleted file mode 100644 index cce1d0416..000000000 --- a/gcc-4.7/libobjc/objc-private/README +++ /dev/null @@ -1,4 +0,0 @@ -This directory contains headers that are private to the runtime and -that are only included while the runtime is being compiled. They are -not installed, so developers using the library can't actually even see -them. diff --git a/gcc-4.7/libobjc/objc-private/accessors.h b/gcc-4.7/libobjc/objc-private/accessors.h deleted file mode 100644 index 570ae7a85..000000000 --- a/gcc-4.7/libobjc/objc-private/accessors.h +++ /dev/null @@ -1,32 +0,0 @@ -/* GNU Objective C Runtime accessors - Private Declarations - Copyright (C) 2010 Free Software Foundation, Inc. - Contributed by Nicola Pero - -This file is part of GCC. - -GCC is free software; you can redistribute it and/or modify it under the -terms of the GNU General Public License as published by the Free Software -Foundation; either version 3, or (at your option) any later version. - -GCC is distributed in the hope that it will be useful, but WITHOUT ANY -WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more -details. - -Under Section 7 of GPL version 3, you are granted additional -permissions described in the GCC Runtime Library Exception, version -3.1, as published by the Free Software Foundation. - -You should have received a copy of the GNU General Public License and -a copy of the GCC Runtime Library Exception along with this program; -see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -. */ - -#ifndef __objc_private_accessors_INCLUDE_GNU -#define __objc_private_accessors_INCLUDE_GNU - -/* This function needs to be called at startup by init.c. */ -void -__objc_accessors_init (void); - -#endif /* not __objc_private_accessors_INCLUDE_GNU */ diff --git a/gcc-4.7/libobjc/objc-private/common.h b/gcc-4.7/libobjc/objc-private/common.h deleted file mode 100644 index d1f071114..000000000 --- a/gcc-4.7/libobjc/objc-private/common.h +++ /dev/null @@ -1,44 +0,0 @@ -/* GNU Objective C Runtime Common Private Definitions - Copyright (C) 2010 Free Software Foundation, Inc. - Contributed by Nicola Pero - -This file is part of GCC. - -GCC is free software; you can redistribute it and/or modify it under the -terms of the GNU General Public License as published by the Free Software -Foundation; either version 3, or (at your option) any later version. - -GCC is distributed in the hope that it will be useful, but WITHOUT ANY -WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more -details. - -Under Section 7 of GPL version 3, you are granted additional -permissions described in the GCC Runtime Library Exception, version -3.1, as published by the Free Software Foundation. - -You should have received a copy of the GNU General Public License and -a copy of the GCC Runtime Library Exception along with this program; -see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -. */ - -#ifndef __objc_private_common_INCLUDE_GNU -#define __objc_private_common_INCLUDE_GNU - -/* This file contains definitions that should be included by all .c - and .m files in libobjc. */ - -/* When debugging libobjc, add - - #define DEBUG 1 - - at the very beginning of a file in libobjc (before including this file) to turn - on DEBUG_PRINTF(). */ -#ifdef DEBUG -#include -#define DEBUG_PRINTF(format, args...) printf (format, ## args) -#else -#define DEBUG_PRINTF(format, args...) -#endif - -#endif /* __objc_private_common_INCLUDE_GNU */ diff --git a/gcc-4.7/libobjc/objc-private/error.h b/gcc-4.7/libobjc/objc-private/error.h deleted file mode 100644 index e8673f722..000000000 --- a/gcc-4.7/libobjc/objc-private/error.h +++ /dev/null @@ -1,38 +0,0 @@ -/* GNU Objective C Runtime Common Private Definitions - Copyright (C) 2010 Free Software Foundation, Inc. - Contributed by Nicola Pero - -This file is part of GCC. - -GCC is free software; you can redistribute it and/or modify it under the -terms of the GNU General Public License as published by the Free Software -Foundation; either version 3, or (at your option) any later version. - -GCC is distributed in the hope that it will be useful, but WITHOUT ANY -WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more -details. - -Under Section 7 of GPL version 3, you are granted additional -permissions described in the GCC Runtime Library Exception, version -3.1, as published by the Free Software Foundation. - -You should have received a copy of the GNU General Public License and -a copy of the GCC Runtime Library Exception along with this program; -see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -. */ - -#ifndef __objc_private_error_INCLUDE_GNU -#define __objc_private_error_INCLUDE_GNU - -/* Prints an unrecoverable error to stderr, then aborts the program. - This should only be used for errors that really are unrecorevable: - failure to allocate memory, and failure to load an Objective-C - module. All other usages of this function should be converted into - some milder type of error (unless aborting is explicitly required - by the documentation/API). -*/ -void -_objc_abort (const char *fmt, ...) __attribute__ ((noreturn)); - -#endif /* __objc_private_error_INCLUDE_GNU */ diff --git a/gcc-4.7/libobjc/objc-private/hash.h b/gcc-4.7/libobjc/objc-private/hash.h deleted file mode 100644 index c330d618e..000000000 --- a/gcc-4.7/libobjc/objc-private/hash.h +++ /dev/null @@ -1,201 +0,0 @@ -/* Hash tables for Objective C method dispatch. - Copyright (C) 1993, 1995, 1996, 2004, 2009 Free Software Foundation, Inc. - -This file is part of GCC. - -GCC is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 3, or (at your option) -any later version. - -GCC is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -Under Section 7 of GPL version 3, you are granted additional -permissions described in the GCC Runtime Library Exception, version -3.1, as published by the Free Software Foundation. - -You should have received a copy of the GNU General Public License and -a copy of the GCC Runtime Library Exception along with this program; -see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -. */ - -/* You need to include this file after including objc.h */ - -#ifndef __hash_INCLUDE_GNU -#define __hash_INCLUDE_GNU - -#include -#include - -/* - * This data structure is used to hold items - * stored in a hash table. Each node holds - * a key/value pair. - * - * Items in the cache are really of type void *. - */ -typedef struct cache_node -{ - struct cache_node *next; /* Pointer to next entry on the list. - NULL indicates end of list. */ - const void *key; /* Key used to locate the value. Used - to locate value when more than one - key computes the same hash - value. */ - void *value; /* Value stored for the key. */ -} *node_ptr; - - -/* - * This data type is the function that computes a hash code given a key. - * Therefore, the key can be a pointer to anything and the function specific - * to the key type. - * - * Unfortunately there is a mutual data structure reference problem with this - * typedef. Therefore, to remove compiler warnings the functions passed to - * objc_hash_new will have to be casted to this type. - */ -typedef unsigned int (*hash_func_type) (void *, const void *); - -/* - * This data type is the function that compares two hash keys and returns an - * integer greater than, equal to, or less than 0, according as the first - * parameter is lexicographically greater than, equal to, or less than the - * second. - */ - -typedef int (*compare_func_type) (const void *, const void *); - - -/* - * This data structure is the cache. - * - * It must be passed to all of the hashing routines - * (except for new). - */ -typedef struct cache -{ - /* Variables used to implement the hash itself. */ - node_ptr *node_table; /* Pointer to an array of hash nodes. */ - /* Variables used to track the size of the hash table so to determine - when to resize it. */ - unsigned int size; /* Number of buckets allocated for the hash table - (number of array entries allocated for - "node_table"). Must be a power of two. */ - unsigned int used; /* Current number of entries in the hash table. */ - unsigned int mask; /* Precomputed mask. */ - - /* Variables used to implement indexing through the hash table. */ - - unsigned int last_bucket; /* Tracks which entry in the array where - the last value was returned. */ - /* Function used to compute a hash code given a key. - This function is specified when the hash table is created. */ - hash_func_type hash_func; - /* Function used to compare two hash keys to see if they are equal. */ - compare_func_type compare_func; -} *cache_ptr; - - -/* Allocate and initialize a hash table. */ - -cache_ptr objc_hash_new (unsigned int size, - hash_func_type hash_func, - compare_func_type compare_func); - -/* Deallocate all of the hash nodes and the cache itself. */ - -void objc_hash_delete (cache_ptr cache); - -/* Add the key/value pair to the hash table. If the - hash table reaches a level of fullness then it will be resized. - - assert if the key is already in the hash. */ - -void objc_hash_add (cache_ptr *cachep, const void *key, void *value); - -/* Remove the key/value pair from the hash table. - assert if the key isn't in the table. */ - -void objc_hash_remove (cache_ptr cache, const void *key); - -/* Used to index through the hash table. Start with NULL - to get the first entry. - - Successive calls pass the value returned previously. - ** Don't modify the hash during this operation *** - - Cache nodes are returned such that key or value can - be extracted. */ - -node_ptr objc_hash_next (cache_ptr cache, node_ptr node); - -/* Used to return a value from a hash table using a given key. */ - -void *objc_hash_value_for_key (cache_ptr cache, const void *key); - -/* Used to determine if the given key exists in the hash table */ - -BOOL objc_hash_is_key_in_hash (cache_ptr cache, const void *key); - -/************************************************ - - Useful hashing functions. - - Declared inline for your pleasure. - -************************************************/ - -/* Calculate a hash code by performing some - manipulation of the key pointer. (Use the lowest bits - except for those likely to be 0 due to alignment.) */ - -static inline unsigned int -objc_hash_ptr (cache_ptr cache, const void *key) -{ - return ((size_t)key / sizeof (void *)) & cache->mask; -} - - -/* Calculate a hash code by iterating over a NULL - terminate string. */ -static inline unsigned int -objc_hash_string (cache_ptr cache, const void *key) -{ - unsigned int ret = 0; - unsigned int ctr = 0; - const char *ckey = (const char *) key; - - while (*ckey) { - ret ^= *ckey++ << ctr; - ctr = (ctr + 1) % sizeof (void *); - } - - return ret & cache->mask; -} - - -/* Compare two pointers for equality. */ -static inline int -objc_compare_ptrs (const void *k1, const void *k2) -{ - return (k1 == k2); -} - - -/* Compare two strings. */ -static inline int -objc_compare_strings (const void *k1, const void *k2) -{ - if (k1 == k2) - return 1; - else if (k1 == 0 || k2 == 0) - return 0; - else - return ! strcmp ((const char *) k1, (const char *) k2); -} - -#endif /* not __hash_INCLUDE_GNU */ diff --git a/gcc-4.7/libobjc/objc-private/module-abi-8.h b/gcc-4.7/libobjc/objc-private/module-abi-8.h deleted file mode 100644 index 06846e796..000000000 --- a/gcc-4.7/libobjc/objc-private/module-abi-8.h +++ /dev/null @@ -1,308 +0,0 @@ -/* Definitions of Module Structures used by ABI version 8 - Copyright (C) 1993, 1995, 1996, 1997, 2001, 2002, 2003, 2004, 2005, - 2007, 2009, 2010 Free Software Foundation, Inc. - -This file is part of GCC. - -GCC is free software; you can redistribute it and/or modify it under the -terms of the GNU General Public License as published by the Free Software -Foundation; either version 3, or (at your option) any later version. - -GCC is distributed in the hope that it will be useful, but WITHOUT ANY -WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more -details. - -Under Section 7 of GPL version 3, you are granted additional -permissions described in the GCC Runtime Library Exception, version -3.1, as published by the Free Software Foundation. - -You should have received a copy of the GNU General Public License and -a copy of the GCC Runtime Library Exception along with this program; -see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -. */ - -#ifndef __objc_private_module_abi_8_INCLUDE_GNU -#define __objc_private_module_abi_8_INCLUDE_GNU - -/* For every class which happens to have statically allocated instances in - this module, one OBJC_STATIC_INSTANCES is allocated by the compiler. - INSTANCES is NULL terminated and points to all statically allocated - instances of this class. */ -struct objc_static_instances -{ - char *class_name; -#ifdef __cplusplus - id instances[1]; -#else - id instances[0]; -#endif -}; - -/* Whereas a Module (defined further down) is the root (typically) of a file, - a Symtab is the root of the class and category definitions within the - module. - - A Symtab contains a variable length array of pointers to classes and - categories defined in the module. */ -struct objc_symtab -{ - unsigned long sel_ref_cnt; /* Unused (always set to 0). */ - struct objc_selector *refs; /* The table of selectors referenced in - this module. This is terminated by a - selector with NULL sel_id and NULL - sel_types. Note that we use the type - 'struct objc_selector *' and not - 'SEL' (which is 'const struct - objc_selector *') because the sel_id - of these selectors is patched up by - the runtime when the module is - loaded. */ - unsigned short cls_def_cnt; /* Number of classes compiled (defined) - in the module. */ - unsigned short cat_def_cnt; /* Number of categories compiled - (defined) in the module. */ - void *defs[1]; /* Variable array of pointers. - cls_def_cnt of type Class followed by - cat_def_cnt of type Category_t, - followed by a NULL terminated array - of objc_static_instances. */ -}; - -/* The compiler generates one of these structures for each module that - composes the executable (eg main.m). - - This data structure is the root of the definition tree for the - module. - - A collect program runs between ld stages and creates a ObjC ctor - array. That array holds a pointer to each module structure of the - executable. */ -struct objc_module -{ - unsigned long version; /* Version of the Module data - structure. */ - unsigned long size; /* sizeof(Module) according to the - compiler - only used to sanity check - that it matches sizeof(Module) - according to the runtime. */ - const char* name; /* Name of the file used to compile the - module - not set by modern compilers - for security reasons. */ - struct objc_symtab *symtab; /* Pointer to the Symtab of the module. - The Symtab holds an array of pointers - to the classes and categories defined - in the module. */ -}; - -/* The compiler generates one of these structures for a class that has - instance variables defined in its specification. */ -struct objc_ivar -{ - const char* ivar_name; /* Name of the instance variable as entered - in the class definition. */ - const char* ivar_type; /* Description of the Ivar's type. Useful - for debuggers. */ - int ivar_offset; /* Byte offset from the base address of the - instance structure to the variable. */ -}; - -struct objc_ivar_list -{ - int ivar_count; /* Number of structures (Ivar) - contained in the list. One - structure per instance variable - defined in the class. */ - struct objc_ivar ivar_list[1]; /* Variable length structure. */ -}; - -/* The compiler generates one (or more) of these structures for a - class that has methods defined in its specification. - - The implementation of a class can be broken into separate pieces in - a file and categories can break them across modules. To handle this - problem is a singly linked list of methods. */ -struct objc_method -{ - SEL method_name; /* This variable is the method's name. - The compiler puts a char* here, and - it's replaced by a real SEL at runtime - when the method is registered. */ - const char* method_types; /* Description of the method's parameter - list. Used when registering the - selector with the runtime. When that - happens, method_name will contain the - method's parameter list. */ - IMP method_imp; /* Address of the method in the - executable. */ -}; - -struct objc_method_list -{ - struct objc_method_list* method_next; /* This variable is used to - link a method list to - another. It is a singly - linked list. */ - int method_count; /* Number of methods defined - in this structure. */ - struct objc_method method_list[1]; /* Variable length - structure. */ -}; - -/* Note that a 'struct objc_method_description' as embedded inside a - Protocol uses the same trick as a 'struct objc_method': the - method_name is a 'char *' according to the compiler, who puts the - method name as a string in there. At runtime, the selectors need - to be registered, and the method_name then becomes a SEL. */ -struct objc_method_description_list -{ - int count; - struct objc_method_description list[1]; -}; - -struct objc_protocol { - struct objc_class* class_pointer; - char *protocol_name; - struct objc_protocol_list *protocol_list; - struct objc_method_description_list *instance_methods, *class_methods; -}; - - -struct objc_protocol_list -{ - struct objc_protocol_list *next; - size_t count; - struct objc_protocol *list[1]; -}; - -/* - The compiler generates one of these structures for each class. - - This structure is the definition for classes. - - This structure is generated by the compiler in the executable and - used by the run-time during normal messaging operations. Therefore - some members change type. The compiler generates "char* const" and - places a string in the following member variables: super_class. -*/ -struct objc_class { - struct objc_class* class_pointer; /* Pointer to the class's meta - class. */ - struct objc_class* super_class; /* Pointer to the super - class. NULL for class - Object. */ - const char* name; /* Name of the class. */ - long version; /* Unknown. */ - unsigned long info; /* Bit mask. See class masks - defined below. */ - long instance_size; /* Size in bytes of the class. - The sum of the class - definition and all super - class definitions. */ -#ifdef _WIN64 - /* We pad the structure manually to prevent warning when -Wpadded is - used. The compiler automatically pads the structures that it - generates, so this manually padded structure still matches the - one generated by the compiler, but if we don't pad manually, - -Wpadded detects that padding is being added and generates - annoying warnings. This hack is necessary as on LLP64 targets - sizeof (long) isn't equal to sizeof (void *). */ - long pad; -#endif - struct objc_ivar_list* ivars; /* Pointer to a structure that - describes the instance - variables in the class - definition. NULL indicates - no instance variables. - Does not include super - class variables. */ - struct objc_method_list* methods; /* Linked list of instance - methods defined for the - class. */ - struct sarray * dtable; /* Pointer to instance method - dispatch table. */ - struct objc_class* subclass_list; /* Subclasses */ - struct objc_class* sibling_class; - - struct objc_protocol_list *protocols; /* Protocols conformed to */ - void* gc_object_type; -}; - -/* This is used to assure consistent access to the info field of - classes. */ -#ifndef HOST_BITS_PER_LONG -# define HOST_BITS_PER_LONG (sizeof(long)*8) -#endif - -#define __CLS_INFO(cls) ((cls)->info) -#define __CLS_ISINFO(cls, mask) ((__CLS_INFO(cls)&mask)==mask) -#define __CLS_SETINFO(cls, mask) (__CLS_INFO(cls) |= mask) -#define __CLS_SETNOTINFO(cls, mask) (__CLS_INFO(cls) &= ~mask) - -/* The structure is of type MetaClass */ -#define _CLS_META 0x2L -#define CLS_ISMETA(cls) ((cls)&&__CLS_ISINFO(cls, _CLS_META)) - -/* The structure is of type Class */ -#define _CLS_CLASS 0x1L -#define CLS_ISCLASS(cls) ((cls)&&__CLS_ISINFO(cls, _CLS_CLASS)) - -/* The class is initialized within the runtime. This means that it - has had correct super and sublinks assigned. */ -#define _CLS_RESOLV 0x8L -#define CLS_ISRESOLV(cls) __CLS_ISINFO(cls, _CLS_RESOLV) -#define CLS_SETRESOLV(cls) __CLS_SETINFO(cls, _CLS_RESOLV) - -/* The class has been send a +initialize message or a such is not - defined for this class. */ -#define _CLS_INITIALIZED 0x04L -#define CLS_ISINITIALIZED(cls) __CLS_ISINFO(cls, _CLS_INITIALIZED) -#define CLS_SETINITIALIZED(cls) __CLS_SETINFO(cls, _CLS_INITIALIZED) - -/* The class is being constructed; it has been allocated using - objc_allocateClassPair(), but has not been registered yet by using - objc_registerClassPair(). This means it is possible to freely add - instance variables to the class, but it can't be used for anything - yet. */ -#define _CLS_IN_CONSTRUCTION 0x10L -#define CLS_IS_IN_CONSTRUCTION(cls) __CLS_ISINFO(cls, _CLS_IN_CONSTRUCTION) -#define CLS_SET_IN_CONSTRUCTION(cls) __CLS_SETINFO(cls, _CLS_IN_CONSTRUCTION) -#define CLS_SET_NOT_IN_CONSTRUCTION(cls) __CLS_SETNOTINFO(cls, _CLS_IN_CONSTRUCTION) - -/* The class number of this class. This must be the same for both the - class and its meta class object. */ -#define CLS_GETNUMBER(cls) (__CLS_INFO(cls) >> (HOST_BITS_PER_LONG/2)) -#define CLS_SETNUMBER(cls, num) \ - ({ (cls)->info <<= (HOST_BITS_PER_LONG/2); \ - (cls)->info >>= (HOST_BITS_PER_LONG/2); \ - __CLS_SETINFO(cls, (((unsigned long)num) << (HOST_BITS_PER_LONG/2))); }) - -/* The compiler generates one of these structures for each category. - A class may have many categories and contain both instance and - factory methods. */ -struct objc_category -{ - const char* category_name; /* Name of the category. - Name contained in the - () of the category - definition. */ - const char* class_name; /* Name of the class to - which the category - belongs. */ - struct objc_method_list *instance_methods; /* Linked list of - instance methods - defined in the - category. NULL - indicates no instance - methods defined. */ - struct objc_method_list *class_methods; /* Linked list of - factory methods - defined in the - category. NULL - indicates no class - methods defined. */ - struct objc_protocol_list *protocols; /* List of Protocols - conformed to. */ -}; - -#endif /* __objc_private_module_abi_8_INCLUDE_GNU */ diff --git a/gcc-4.7/libobjc/objc-private/objc-list.h b/gcc-4.7/libobjc/objc-private/objc-list.h deleted file mode 100644 index 989b9c9d4..000000000 --- a/gcc-4.7/libobjc/objc-private/objc-list.h +++ /dev/null @@ -1,94 +0,0 @@ -/* Generic single linked list to keep various information - Copyright (C) 1993, 1994, 1996, 2009, 2010 Free Software Foundation, Inc. - Contributed by Kresten Krab Thorup. - -This file is part of GCC. - -GCC is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 3, or (at your option) -any later version. - -GCC is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -Under Section 7 of GPL version 3, you are granted additional -permissions described in the GCC Runtime Library Exception, version -3.1, as published by the Free Software Foundation. - -You should have received a copy of the GNU General Public License and -a copy of the GCC Runtime Library Exception along with this program; -see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -. */ - -#ifndef __GNU_OBJC_LIST_H -#define __GNU_OBJC_LIST_H - -struct objc_list -{ - void *head; - struct objc_list *tail; -}; - -/* Return a cons cell produced from (head . tail). */ -static inline struct objc_list* -list_cons (void* head, struct objc_list* tail) -{ - struct objc_list* cell; - - cell = (struct objc_list*)objc_malloc (sizeof (struct objc_list)); - cell->head = head; - cell->tail = tail; - return cell; -} - -/* Remove the element at the head by replacing it by its - successor. */ -static inline void -list_remove_head (struct objc_list** list) -{ - if ((*list)->tail) - { - /* Fetch next. */ - struct objc_list* tail = (*list)->tail; - - /* Copy next to list head. */ - *(*list) = *tail; - - /* Free next. */ - objc_free (tail); - } - else - { - /* Inly one element in list. */ - objc_free (*list); - (*list) = 0; - } -} - - -/* Map FUNCTION over all elements in LIST. */ -static inline void -list_mapcar (struct objc_list* list, void(*function)(void*)) -{ - while (list) - { - (*function) (list->head); - list = list->tail; - } -} - -/* Free list (backwards recursive). */ -static inline void -list_free (struct objc_list* list) -{ - if(list) - { - list_free (list->tail); - objc_free (list); - } -} - -#endif /* not __GNU_OBJC_LIST_H */ diff --git a/gcc-4.7/libobjc/objc-private/objc-sync.h b/gcc-4.7/libobjc/objc-private/objc-sync.h deleted file mode 100644 index 95eb28b30..000000000 --- a/gcc-4.7/libobjc/objc-private/objc-sync.h +++ /dev/null @@ -1,33 +0,0 @@ -/* GNU Objective C Runtime @synchronized implementation - Private functions - Copyright (C) 2010 Free Software Foundation, Inc. - Contributed by Nicola Pero - -This file is part of GCC. - -GCC is free software; you can redistribute it and/or modify it under the -terms of the GNU General Public License as published by the Free Software -Foundation; either version 3, or (at your option) any later version. - -GCC is distributed in the hope that it will be useful, but WITHOUT ANY -WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more -details. - -Under Section 7 of GPL version 3, you are granted additional -permissions described in the GCC Runtime Library Exception, version -3.1, as published by the Free Software Foundation. - -You should have received a copy of the GNU General Public License and -a copy of the GCC Runtime Library Exception along with this program; -see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -. */ - -#ifndef __objc_private_objc_sync_INCLUDE_GNU -#define __objc_private_objc_sync_INCLUDE_GNU - -/* This function needs to be called at startup before @synchronized() - can be used. */ -void -__objc_sync_init (void); - -#endif /* not __objc_private_objc_sync_INCLUDE_GNU */ diff --git a/gcc-4.7/libobjc/objc-private/protocols.h b/gcc-4.7/libobjc/objc-private/protocols.h deleted file mode 100644 index 3219ff289..000000000 --- a/gcc-4.7/libobjc/objc-private/protocols.h +++ /dev/null @@ -1,38 +0,0 @@ -/* GNU Objective C Runtime protocols - Private functions - Copyright (C) 2010 Free Software Foundation, Inc. - Contributed by Nicola Pero - -This file is part of GCC. - -GCC is free software; you can redistribute it and/or modify it under the -terms of the GNU General Public License as published by the Free Software -Foundation; either version 3, or (at your option) any later version. - -GCC is distributed in the hope that it will be useful, but WITHOUT ANY -WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more -details. - -Under Section 7 of GPL version 3, you are granted additional -permissions described in the GCC Runtime Library Exception, version -3.1, as published by the Free Software Foundation. - -You should have received a copy of the GNU General Public License and -a copy of the GCC Runtime Library Exception along with this program; -see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -. */ - -#ifndef __objc_private_protocols_INCLUDE_GNU -#define __objc_private_protocols_INCLUDE_GNU - -/* This function needs to be called at startup by init.c. */ -void -__objc_protocols_init (void); - -/* This function adds a protocol to the internal hashtable of - protocols by name, which allows objc_getProtocol(name) to be - implemented efficiently. */ -void -__objc_protocols_add_protocol (const char *name, struct objc_protocol *object); - -#endif /* not __objc_private_protocols_INCLUDE_GNU */ diff --git a/gcc-4.7/libobjc/objc-private/runtime.h b/gcc-4.7/libobjc/objc-private/runtime.h deleted file mode 100644 index bd11392eb..000000000 --- a/gcc-4.7/libobjc/objc-private/runtime.h +++ /dev/null @@ -1,76 +0,0 @@ -/* GNU Objective C Runtime internal declarations - Copyright (C) 1993, 1995, 1996, 1997, 2002, 2004, 2009 Free Software Foundation, Inc. - Contributed by Kresten Krab Thorup - -This file is part of GCC. - -GCC is free software; you can redistribute it and/or modify it under the -terms of the GNU General Public License as published by the Free Software -Foundation; either version 3, or (at your option) any later version. - -GCC is distributed in the hope that it will be useful, but WITHOUT ANY -WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more -details. - -Under Section 7 of GPL version 3, you are granted additional -permissions described in the GCC Runtime Library Exception, version -3.1, as published by the Free Software Foundation. - -You should have received a copy of the GNU General Public License and -a copy of the GCC Runtime Library Exception along with this program; -see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -. */ - -/* You need to include this file after including a number of standard ObjC files. - -The original list was: - -#include "objc/objc.h" -#include "objc/objc-api.h" -#include "objc/thr.h" -#include "objc/hash.h" -#include "objc/objc-list.h" - -but can almost certainly be shrinked down. */ - -#ifndef __objc_private_runtime_INCLUDE_GNU -#define __objc_private_runtime_INCLUDE_GNU - -#include /* for varargs and va_list's */ - -#include -#include - -#include /* so noone else will get system versions */ -#include - -extern BOOL __objc_add_class_to_hash (Class); /* (objc-class.c) */ -extern void __objc_init_class_tables (void); /* (objc-class.c) */ -extern void __objc_init_dispatch_tables (void); /* (objc-dispatch.c) */ -extern void __objc_install_premature_dtable (Class); /* (objc-dispatch.c) */ -extern void __objc_resolve_class_links (void); /* (objc-class.c) */ -extern void __objc_update_dispatch_table_for_class (Class);/* (objc-msg.c) */ - -extern int __objc_init_thread_system (void); /* thread.c */ -extern int __objc_fini_thread_system (void); /* thread.c */ -extern BOOL __objc_init_class (Class class); /* init.c */ -extern void class_add_method_list (Class, struct objc_method_list *); - -/* Registering instance methods as class methods for root classes */ -extern void __objc_register_instance_methods_to_class (Class); -extern struct objc_method * search_for_method_in_list (struct objc_method_list * list, SEL op); - -extern void -__objc_update_classes_with_methods (struct objc_method *method_a, struct objc_method *method_b); /* class.c */ - -/* Mutex locking __objc_selector_max_index and its arrays. */ -extern objc_mutex_t __objc_runtime_mutex; - -/* Number of threads which are alive. */ -extern int __objc_runtime_threads_alive; - -BOOL __objc_responds_to (id object, SEL sel); /* for internal use only! */ -extern void __objc_generate_gc_type_description (Class); - -#endif /* not __objc_private_runtime_INCLUDE_GNU */ diff --git a/gcc-4.7/libobjc/objc-private/sarray.h b/gcc-4.7/libobjc/objc-private/sarray.h deleted file mode 100644 index 12fad921f..000000000 --- a/gcc-4.7/libobjc/objc-private/sarray.h +++ /dev/null @@ -1,243 +0,0 @@ -/* Sparse Arrays for Objective C dispatch tables - Copyright (C) 1993, 1995, 1996, 2004, 2009, 2010 Free Software Foundation, Inc. - Contributed by Kresten Krab Thorup. - -This file is part of GCC. - -GCC is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 3, or (at your option) -any later version. - -GCC is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -Under Section 7 of GPL version 3, you are granted additional -permissions described in the GCC Runtime Library Exception, version -3.1, as published by the Free Software Foundation. - -You should have received a copy of the GNU General Public License and -a copy of the GCC Runtime Library Exception along with this program; -see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -. */ - -#ifndef __sarray_INCLUDE_GNU -#define __sarray_INCLUDE_GNU - -#define OBJC_SPARSE2 /* 2-level sparse array. */ -/* #define OBJC_SPARSE3 */ /* 3-level sparse array. */ - -#ifdef OBJC_SPARSE2 -extern const char* __objc_sparse2_id; -#endif - -#ifdef OBJC_SPARSE3 -extern const char* __objc_sparse3_id; -#endif - -#include - -extern int nbuckets; /* for stats */ -extern int nindices; -extern int narrays; -extern int idxsize; - -/* An unsigned integer of same size as a pointer. */ -#define SIZET_BITS (sizeof (size_t) * 8) - -#if defined (__sparc__) || defined (OBJC_SPARSE2) -#define PRECOMPUTE_SELECTORS -#endif - -#ifdef OBJC_SPARSE3 - -/* Buckets are 8 words each. */ -#define BUCKET_BITS 3 -#define BUCKET_SIZE (1 << BUCKET_BITS) -#define BUCKET_MASK (BUCKET_SIZE - 1) - -/* Indices are 16 words each. */ -#define INDEX_BITS 4 -#define INDEX_SIZE (1 << INDEX_BITS) -#define INDEX_MASK (INDEX_SIZE - 1) - -#define INDEX_CAPACITY (BUCKET_SIZE * INDEX_SIZE) - -#else /* OBJC_SPARSE2 */ - -/* Buckets are 32 words each. */ -#define BUCKET_BITS 5 -#define BUCKET_SIZE (1 << BUCKET_BITS) -#define BUCKET_MASK (BUCKET_SIZE - 1) - -#endif /* OBJC_SPARSE2 */ - -typedef size_t sidx; - -#ifdef PRECOMPUTE_SELECTORS - -struct soffset -{ -#ifdef OBJC_SPARSE3 - unsigned int unused : SIZET_BITS / 4; - unsigned int eoffset : SIZET_BITS / 4; - unsigned int boffset : SIZET_BITS / 4; - unsigned int ioffset : SIZET_BITS / 4; -#else /* OBJC_SPARSE2 */ -#ifdef __sparc__ - unsigned long boffset : (SIZET_BITS - 2) - BUCKET_BITS; - unsigned int eoffset : BUCKET_BITS; - unsigned int unused : 2; -#else - unsigned int boffset : SIZET_BITS / 2; - unsigned int eoffset : SIZET_BITS / 2; -#endif -#endif /* OBJC_SPARSE2 */ -}; - -union sofftype -{ - struct soffset off; - sidx idx; -}; - -#endif /* not PRECOMPUTE_SELECTORS */ - -union sversion -{ - int version; - void *next_free; -}; - -struct sbucket -{ - /* Elements stored in array. */ - void* elems[BUCKET_SIZE]; - - /* Used for copy-on-write. */ - union sversion version; -}; - -#ifdef OBJC_SPARSE3 - -struct sindex -{ - struct sbucket* buckets[INDEX_SIZE]; - - /* Used for copy-on-write. */ - union sversion version; -}; - -#endif /* OBJC_SPARSE3 */ - -struct sarray -{ -#ifdef OBJC_SPARSE3 - struct sindex** indices; - struct sindex* empty_index; -#else /* OBJC_SPARSE2 */ - struct sbucket** buckets; -#endif /* OBJC_SPARSE2 */ - struct sbucket* empty_bucket; - - /* Used for copy-on-write. */ - union sversion version; - - short ref_count; - struct sarray* is_copy_of; - size_t capacity; -}; - -struct sarray* sarray_new (int, void* default_element); -void sarray_free (struct sarray*); -struct sarray* sarray_lazy_copy (struct sarray*); -void sarray_realloc (struct sarray*, int new_size); -void sarray_at_put (struct sarray*, sidx indx, void* elem); -void sarray_at_put_safe (struct sarray*, sidx indx, void* elem); - -struct sarray* sarray_hard_copy (struct sarray*); /* ... like the name ? */ -void sarray_remove_garbage (void); - - -#ifdef PRECOMPUTE_SELECTORS -/* Transform soffset values to ints and vice versa. */ -static inline unsigned int -soffset_decode (sidx indx) -{ - union sofftype x; - x.idx = indx; -#ifdef OBJC_SPARSE3 - return x.off.eoffset - + (x.off.boffset * BUCKET_SIZE) - + (x.off.ioffset * INDEX_CAPACITY); -#else /* OBJC_SPARSE2 */ - return x.off.eoffset + (x.off.boffset * BUCKET_SIZE); -#endif /* OBJC_SPARSE2 */ -} - -static inline sidx -soffset_encode (size_t offset) -{ - union sofftype x; - x.off.eoffset = offset % BUCKET_SIZE; -#ifdef OBJC_SPARSE3 - x.off.boffset = (offset / BUCKET_SIZE) % INDEX_SIZE; - x.off.ioffset = offset / INDEX_CAPACITY; -#else /* OBJC_SPARSE2 */ - x.off.boffset = offset / BUCKET_SIZE; -#endif - return (sidx)x.idx; -} - -#else /* not PRECOMPUTE_SELECTORS */ - -static inline size_t -soffset_decode (sidx indx) -{ - return indx; -} - -static inline sidx -soffset_encode (size_t offset) -{ - return offset; -} -#endif /* not PRECOMPUTE_SELECTORS */ - -/* Get element from the Sparse array `array' at offset `indx'. */ -static inline void* sarray_get (struct sarray* array, sidx indx) -{ -#ifdef PRECOMPUTE_SELECTORS - union sofftype x; - x.idx = indx; -#ifdef OBJC_SPARSE3 - return array-> - indices[x.off.ioffset]-> - buckets[x.off.boffset]-> - elems[x.off.eoffset]; -#else /* OBJC_SPARSE2 */ - return array->buckets[x.off.boffset]->elems[x.off.eoffset]; -#endif /* OBJC_SPARSE2 */ -#else /* not PRECOMPUTE_SELECTORS */ -#ifdef OBJC_SPARSE3 - return array-> - indices[indx / INDEX_CAPACITY]-> - buckets[(indx / BUCKET_SIZE) % INDEX_SIZE]-> - elems[indx % BUCKET_SIZE]; -#else /* OBJC_SPARSE2 */ - return array->buckets[indx / BUCKET_SIZE]->elems[indx % BUCKET_SIZE]; -#endif /* not OBJC_SPARSE3 */ -#endif /* not PRECOMPUTE_SELECTORS */ -} - -static inline void* sarray_get_safe (struct sarray* array, sidx indx) -{ - if (soffset_decode (indx) < array->capacity) - return sarray_get (array, indx); - else - return (array->empty_bucket->elems[0]); -} - -#endif /* __sarray_INCLUDE_GNU */ diff --git a/gcc-4.7/libobjc/objc-private/selector.h b/gcc-4.7/libobjc/objc-private/selector.h deleted file mode 100644 index 32223b9d6..000000000 --- a/gcc-4.7/libobjc/objc-private/selector.h +++ /dev/null @@ -1,75 +0,0 @@ -/* GNU Objective C Runtime selector implementation - Private functions - Copyright (C) 2010 Free Software Foundation, Inc. - Contributed by Nicola Pero - -This file is part of GCC. - -GCC is free software; you can redistribute it and/or modify it under the -terms of the GNU General Public License as published by the Free Software -Foundation; either version 3, or (at your option) any later version. - -GCC is distributed in the hope that it will be useful, but WITHOUT ANY -WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more -details. - -Under Section 7 of GPL version 3, you are granted additional -permissions described in the GCC Runtime Library Exception, version -3.1, as published by the Free Software Foundation. - -You should have received a copy of the GNU General Public License and -a copy of the GCC Runtime Library Exception along with this program; -see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -. */ - -#ifndef __objc_private_selector_INCLUDE_GNU -#define __objc_private_selector_INCLUDE_GNU - -/* Private runtime functions that may go away or be rewritten or - replaced. */ - -/* Definition of a selector. Selectors themselves are not unique, but - the sel_id is a unique identifier. */ -struct objc_selector -{ - void *sel_id; - const char *sel_types; -}; - -/* An inline, fast version of sel_isEqual(). */ -inline static BOOL -sel_eq (SEL s1, SEL s2) -{ - if (s1 == 0 || s2 == 0) - return s1 == s2; - else - return s1->sel_id == s2->sel_id; -} - -/* Number of selectors stored in each of the selector tables. */ -extern unsigned int __objc_selector_max_index; - -/* Initialize the selector tables. This must be called by init.c. */ -void __objc_init_selector_tables(void); - -/* Various private functions to register selectors. */ -void __objc_register_selectors_from_class(Class); -void __objc_register_selectors_from_list (struct objc_method_list *); -void __objc_register_selectors_from_description_list -(struct objc_method_description_list *method_list); -void __objc_register_selectors_from_module (struct objc_selector *selectors); - -/* Return whether a selector is mapped or not ("mapped" meaning that - it has been inserted into the selector table). This is private as - only the runtime should ever encounter or need to know about - unmapped selectors. */ -BOOL sel_is_mapped (SEL aSel); - -/* Return selector representing name without registering it if it - doesn't exist. Typically used internally by the runtime when it's - looking up methods that may or may not exist (such as +initialize) - in the most efficient way. */ -SEL -sel_get_any_uid (const char *name); - -#endif /* not __objc_private_selector_INCLUDE_GNU */ diff --git a/gcc-4.7/libobjc/objc-sync.c b/gcc-4.7/libobjc/objc-sync.c deleted file mode 100644 index d685a3596..000000000 --- a/gcc-4.7/libobjc/objc-sync.c +++ /dev/null @@ -1,459 +0,0 @@ -/* GNU Objective C Runtime @synchronized implementation - Copyright (C) 2010 Free Software Foundation, Inc. - Contributed by Nicola Pero - -This file is part of GCC. - -GCC is free software; you can redistribute it and/or modify it under the -terms of the GNU General Public License as published by the Free Software -Foundation; either version 3, or (at your option) any later version. - -GCC is distributed in the hope that it will be useful, but WITHOUT ANY -WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more -details. - -Under Section 7 of GPL version 3, you are granted additional -permissions described in the GCC Runtime Library Exception, version -3.1, as published by the Free Software Foundation. - -You should have received a copy of the GNU General Public License and -a copy of the GCC Runtime Library Exception along with this program; -see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -. */ - -/* This file implements objc_sync_enter() and objc_sync_exit(), the - two functions required to support @synchronized(). - - objc_sync_enter(object) needs to get a recursive lock associated - with 'object', and lock it. - - objc_sync_exit(object) needs to get the recursive lock associated - with 'object', and unlock it. */ - -/* To avoid the overhead of continuously allocating and deallocating - locks, we implement a pool of locks. When a lock is needed for an - object, we get a lock from the pool and associate it with the - object. - - The lock pool need to be protected by its own lock (the - "protection" lock), which has to be locked then unlocked each time - objc_sync_enter() and objc_sync_exit() are called. To reduce the - contention on the protection lock, instead of a single pool with a - single (global) protection lock we use a number of smaller pools, - each with its own pool protection lock. To decide which lock pool - to use for each object, we compute a hash from the object pointer. - - The implementation of each lock pool uses a linked list of all the - locks in the pool (both unlocked, and locked); this works in the - assumption that the number of locks concurrently required is very - low. In practice, it seems that you rarely see more than a few - locks ever concurrently required. - - A standard case is a thread acquiring a lock recursively, over and - over again: for example when most methods of a class are protected - by @synchronized(self) but they also call each other. We use - thread-local storage to implement a cache and optimize this case. - The cache stores locks that the thread successfully acquired, - allowing objc_sync_enter() and objc_sync_exit() to locate a lock - which is already held by the current thread without having to use - any protection lock or synchronization mechanism. It can so detect - recursive locks/unlocks, and transform them into no-ops that - require no actual locking or synchronization mechanisms at all. */ - -/* You can disable the thread-local cache (most likely to benchmark - the code with and without it) by compiling with - -DSYNC_CACHE_DISABLE, or commenting out the following line. */ -/* #define SYNC_CACHE_DISABLE */ - -/* If thread-local storage is not available, automatically disable the - cache. */ -#ifndef HAVE_TLS -# define SYNC_CACHE_DISABLE -#endif - -#include "objc-private/common.h" -#include "objc/objc-sync.h" /* For objc_sync_enter(), objc_sync_exit() */ -#include "objc/runtime.h" /* For objc_malloc() */ -#include "objc/thr.h" /* For objc_mutex_loc() and similar */ -#include "objc-private/objc-sync.h" /* For __objc_sync_init() */ - -/* We have 32 pools of locks, each of them protected by its own - protection lock. It's tempting to increase this number to reduce - contention; but in our tests it is high enough. */ -#define SYNC_NUMBER_OF_POOLS 32 - -/* Given an object, it determines which pool contains the associated - lock. */ -#define SYNC_OBJECT_HASH(OBJECT) ((((size_t)OBJECT >> 8) ^ (size_t)OBJECT) & (SYNC_NUMBER_OF_POOLS - 1)) - -/* The locks protecting each pool. */ -static objc_mutex_t sync_pool_protection_locks[SYNC_NUMBER_OF_POOLS]; - -/* The data structure (linked list) holding the locks. */ -typedef struct lock_node -{ - /* Pointer to next entry on the list. NULL indicates end of list. - You need to hold the appropriate sync_pool_protection_locks[N] to - read or write this variable. */ - struct lock_node *next; - - /* The (recursive) lock. Allocated when the node is created, and - always not-NULL, and unchangeable, after that. */ - objc_mutex_t lock; - - /* This is how many times the objc_mutex_lock() has been called on - the lock (it is 0 when the lock is unused). Used to track when - the lock is no longer associated with an object and can be reused - for another object. It records "real" locks, potentially (but - not necessarily) by multiple threads. You need to hold the - appropriate sync_pool_protection_locks[N] to read or write this - variable. */ - unsigned int usage_count; - - /* The object that the lock is associated with. This variable can - only be written when holding the sync_pool_protection_locks[N] - and when node->usage_count == 0, ie, the lock is not being used. - You can read this variable either when you hold the - sync_pool_protection_locks[N] or when you hold node->lock, - because in that case you know that node->usage_count can't get to - zero until you release the lock. It is valid to have usage_count - == 0 and object != nil; in that case, the lock is not currently - being used, but is still currently associated with the - object. */ - id object; - - /* This is a counter reserved for use by the thread currently - holding the lock. So, you need to hold node->lock to read or - write this variable. It is normally 0, and if the cache is not - being used, it is kept at 0 (even if recursive locks are being - done; in that case, no difference is made between recursive and - non-recursive locks: they all increase usage_count, and call - objc_mutex_lock()). When the cache is being used, a thread may - be able to find a lock that it already holds using the cache; in - that case, to perform additional locks/unlocks it can - increase/decrease the recursive_usage_count (which does not - require any synchronization with other threads, since it's - protected by the node->lock itself) instead of the usage_count - (which requires locking the pool protection lock). And it can - skip the call to objc_mutex_lock/unlock too. */ - unsigned int recursive_usage_count; -} *lock_node_ptr; - - -/* The pools of locks. Each of them is a linked list of lock_nodes. - In the list we keep both unlocked and locked nodes. */ -static lock_node_ptr sync_pool_array[SYNC_NUMBER_OF_POOLS]; - -#ifndef SYNC_CACHE_DISABLE -/* We store a cache of locks acquired by each thread in thread-local - storage. */ -static __thread lock_node_ptr *lock_cache = NULL; - -/* This is a conservative implementation that uses a static array of - fixed size as cache. Because the cache is an array that we scan - linearly, the bigger it is, the slower it gets. This does not - matter much at small sizes (eg, the overhead of checking 8 cache - slots instead of 4 is very small compared to the other overheads - involved such as function calls and lock/unlock operations), but at - large sizes it becomes important as obviously there is a size over - which using the cache backfires: the lookup is so slow that the - cache slows down the software instead of speeding it up. In - practice, it seems that most threads use a small number of - concurrent locks, so we have a conservative implementation with a - fixed-size cache of 8 locks which gives a very predictable - behaviour. If a thread locks lots of different locks, only the - first 8 get the speed benefits of the cache, but the cache remains - always small, fast and predictable. - - SYNC_CACHE_SIZE is the size of the lock cache for each thread. */ -#define SYNC_CACHE_SIZE 8 -#endif /* SYNC_CACHE_DISABLE */ - -/* Called at startup by init.c. */ -void -__objc_sync_init (void) -{ - int i; - - for (i = 0; i < SYNC_NUMBER_OF_POOLS; i++) - { - lock_node_ptr new_node; - - /* Create a protection lock for each pool. */ - sync_pool_protection_locks[i] = objc_mutex_allocate (); - - /* Preallocate a lock per pool. */ - new_node = objc_malloc (sizeof (struct lock_node)); - new_node->lock = objc_mutex_allocate (); - new_node->object = nil; - new_node->usage_count = 0; - new_node->recursive_usage_count = 0; - new_node->next = NULL; - - sync_pool_array[i] = new_node; - } -} - -int -objc_sync_enter (id object) -{ -#ifndef SYNC_CACHE_DISABLE - int free_cache_slot; -#endif - int hash; - lock_node_ptr node; - lock_node_ptr unused_node; - - if (object == nil) - return OBJC_SYNC_SUCCESS; - -#ifndef SYNC_CACHE_DISABLE - if (lock_cache == NULL) - { - /* Note that this calloc only happen only once per thread, the - very first time a thread does a objc_sync_enter(). */ - lock_cache = objc_calloc (SYNC_CACHE_SIZE, sizeof (lock_node_ptr)); - } - - /* Check the cache to see if we have a record of having already - locked the lock corresponding to this object. While doing so, - keep track of the first free cache node in case we need it - later. */ - node = NULL; - free_cache_slot = -1; - - { - int i; - for (i = 0; i < SYNC_CACHE_SIZE; i++) - { - lock_node_ptr locked_node = lock_cache[i]; - - if (locked_node == NULL) - { - if (free_cache_slot == -1) - free_cache_slot = i; - } - else if (locked_node->object == object) - { - node = locked_node; - break; - } - } - } - - if (node != NULL) - { - /* We found the lock. Increase recursive_usage_count, which is - protected by node->lock, which we already hold. */ - node->recursive_usage_count++; - - /* There is no need to actually lock anything, since we already - hold the lock. Correspondingly, objc_sync_exit() will just - decrease recursive_usage_count and do nothing to unlock. */ - return OBJC_SYNC_SUCCESS; - } -#endif /* SYNC_CACHE_DISABLE */ - - /* The following is the standard lookup for the lock in the standard - pool lock. It requires a pool protection lock. */ - hash = SYNC_OBJECT_HASH(object); - - /* Search for an existing lock for 'object'. While searching, make - note of any unused lock if we find any. */ - unused_node = NULL; - - objc_mutex_lock (sync_pool_protection_locks[hash]); - - node = sync_pool_array[hash]; - - while (node != NULL) - { - if (node->object == object) - { - /* We found the lock. */ - node->usage_count++; - objc_mutex_unlock (sync_pool_protection_locks[hash]); - -#ifndef SYNC_CACHE_DISABLE - /* Put it in the cache. */ - if (free_cache_slot != -1) - lock_cache[free_cache_slot] = node; -#endif - - /* Lock it. */ - objc_mutex_lock (node->lock); - - return OBJC_SYNC_SUCCESS; - } - - if (unused_node == NULL && node->usage_count == 0) - { - /* We found the first unused node. Record it. */ - unused_node = node; - } - - node = node->next; - } - - /* An existing lock for 'object' could not be found. */ - if (unused_node != NULL) - { - /* But we found a unused lock; use it. */ - unused_node->object = object; - unused_node->usage_count = 1; - unused_node->recursive_usage_count = 0; - objc_mutex_unlock (sync_pool_protection_locks[hash]); - -#ifndef SYNC_CACHE_DISABLE - if (free_cache_slot != -1) - lock_cache[free_cache_slot] = unused_node; -#endif - - objc_mutex_lock (unused_node->lock); - - return OBJC_SYNC_SUCCESS; - } - else - { - /* There are no unused nodes; allocate a new node. */ - lock_node_ptr new_node; - - /* Create the node. */ - new_node = objc_malloc (sizeof (struct lock_node)); - new_node->lock = objc_mutex_allocate (); - new_node->object = object; - new_node->usage_count = 1; - new_node->recursive_usage_count = 0; - - /* Attach it at the beginning of the pool. */ - new_node->next = sync_pool_array[hash]; - sync_pool_array[hash] = new_node; - objc_mutex_unlock (sync_pool_protection_locks[hash]); - -#ifndef SYNC_CACHE_DISABLE - if (free_cache_slot != -1) - lock_cache[free_cache_slot] = new_node; -#endif - - objc_mutex_lock (new_node->lock); - - return OBJC_SYNC_SUCCESS; - } -} - -int -objc_sync_exit (id object) -{ - int hash; - lock_node_ptr node; - - if (object == nil) - return OBJC_SYNC_SUCCESS; - -#ifndef SYNC_CACHE_DISABLE - if (lock_cache != NULL) - { - int i; - - /* Find the lock in the cache. */ - node = NULL; - for (i = 0; i < SYNC_CACHE_SIZE; i++) - { - lock_node_ptr locked_node = lock_cache[i]; - - if (locked_node != NULL && locked_node->object == object) - { - node = locked_node; - break; - } - } - /* Note that, if a node was found in the cache, the variable i - now holds the index where it was found, which will be used to - remove it from the cache. */ - if (node != NULL) - { - if (node->recursive_usage_count > 0) - { - node->recursive_usage_count--; - return OBJC_SYNC_SUCCESS; - } - else - { - /* We need to do a real unlock. */ - hash = SYNC_OBJECT_HASH(object); - - /* TODO: If we had atomic increase/decrease operations - with memory barriers, we could avoid the lock - here! */ - objc_mutex_lock (sync_pool_protection_locks[hash]); - node->usage_count--; - /* Normally, we do not reset object to nil here. We'll - leave the lock associated with that object, at zero - usage count. This makes it slighly more efficient to - provide a lock for that object if (as likely) - requested again. If the object is deallocated, we - don't care. It will never match a new lock that is - requested, and the node will be reused at some point. - - But, if garbage collection is enabled, leaving a - pointer to the object in memory might prevent the - object from being released. In that case, we remove - it (TODO: maybe we should avoid using the garbage - collector at all ? Nothing is ever deallocated in - this file). */ -#if OBJC_WITH_GC - node->object = nil; -#endif - objc_mutex_unlock (sync_pool_protection_locks[hash]); - - /* PS: Between objc_mutex_unlock - (sync_pool_protection_locks[hash]) and - objc_mutex_unlock (node->lock), the pool is unlocked - so other threads may allocate this same lock to - another object (!). This is not a problem, but it is - curious. */ - objc_mutex_unlock (node->lock); - - /* Remove the node from the cache. */ - lock_cache[i] = NULL; - - return OBJC_SYNC_SUCCESS; - } - } - } -#endif - - /* The cache either wasn't there, or didn't work (eg, we overflowed - it at some point and stopped recording new locks in the cache). - Proceed with a full search of the lock pool. */ - hash = SYNC_OBJECT_HASH(object); - - objc_mutex_lock (sync_pool_protection_locks[hash]); - - /* Search for an existing lock for 'object'. */ - node = sync_pool_array[hash]; - - while (node != NULL) - { - if (node->object == object) - { - /* We found the lock. */ - node->usage_count--; - objc_mutex_unlock (sync_pool_protection_locks[hash]); - - objc_mutex_unlock (node->lock); - - /* No need to remove the node from the cache, since it - wasn't found in the cache when we looked for it! */ - return OBJC_SYNC_SUCCESS; - } - - node = node->next; - } - - objc_mutex_unlock (sync_pool_protection_locks[hash]); - - /* A lock for 'object' to unlock could not be found (!!). */ - return OBJC_SYNC_NOT_OWNING_THREAD_ERROR; -} diff --git a/gcc-4.7/libobjc/objc/NXConstStr.h b/gcc-4.7/libobjc/objc/NXConstStr.h deleted file mode 100644 index 40eb66e32..000000000 --- a/gcc-4.7/libobjc/objc/NXConstStr.h +++ /dev/null @@ -1,51 +0,0 @@ -/* Interface for the NXConstantString class for Objective-C. - Copyright (C) 1995, 2004, 2009 Free Software Foundation, Inc. - Contributed by Pieter J. Schoenmakers - -This file is part of GCC. - -GCC is free software; you can redistribute it and/or modify it -under the terms of the GNU General Public License as published by the -Free Software Foundation; either version 3, or (at your option) any -later version. - -GCC is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or -FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public -License for more details. - -Under Section 7 of GPL version 3, you are granted additional -permissions described in the GCC Runtime Library Exception, version -3.1, as published by the Free Software Foundation. - -You should have received a copy of the GNU General Public License and -a copy of the GCC Runtime Library Exception along with this program; -see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -. */ - - -#ifndef __nxconstantstring_INCLUDE_GNU -#define __nxconstantstring_INCLUDE_GNU - -#include "Object.h" - -#ifdef __cplusplus -extern "C" { -#endif - -@interface NXConstantString: Object -{ - char *c_string; - unsigned int len; -} - --(const char *) cString; --(unsigned int) length; - -@end - -#ifdef __cplusplus -} -#endif - -#endif diff --git a/gcc-4.7/libobjc/objc/Object.h b/gcc-4.7/libobjc/objc/Object.h deleted file mode 100644 index e2fa926e7..000000000 --- a/gcc-4.7/libobjc/objc/Object.h +++ /dev/null @@ -1,62 +0,0 @@ -/* Interface for the Object class for Objective-C. - Copyright (C) 1993, 1994, 1995, 2009, 2010 Free Software Foundation, Inc. - -This file is part of GCC. - -GCC is free software; you can redistribute it and/or modify it -under the terms of the GNU General Public License as published by the -Free Software Foundation; either version 3, or (at your option) any -later version. - -GCC is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or -FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public -License for more details. - -Under Section 7 of GPL version 3, you are granted additional -permissions described in the GCC Runtime Library Exception, version -3.1, as published by the Free Software Foundation. - -You should have received a copy of the GNU General Public License and -a copy of the GCC Runtime Library Exception along with this program; -see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -. */ - - -#ifndef __object_INCLUDE_GNU -#define __object_INCLUDE_GNU - -#include "objc.h" - -#ifdef __cplusplus -extern "C" { -#endif - -/* The Object class is a very minimal root class included with the - runtime. It is used as superclass for the two classes included - with the runtime, Protocol and NXConstantString. - - Because Objective-C allows multiple root classes, you can define - your own root class, different from Object. - - In particular, a Foundation library (such as GNUstep Base) is - expected to provide its own root class (typically called NSObject), - fully integrated with the library's own high-level features. It is - expected that you should always use and interact with NSObject, and - mostly ignore Object. */ - -/* All classes are derived from Object. As such, this is the overhead - tacked onto those objects. */ -@interface Object -{ - Class isa; /* A pointer to the instance's class structure. */ -} -- (Class)class; -- (BOOL)isEqual: (id)anObject; -@end - -#ifdef __cplusplus -} -#endif - -#endif diff --git a/gcc-4.7/libobjc/objc/Protocol.h b/gcc-4.7/libobjc/objc/Protocol.h deleted file mode 100644 index f2b7b7896..000000000 --- a/gcc-4.7/libobjc/objc/Protocol.h +++ /dev/null @@ -1,54 +0,0 @@ -/* Declare the class Protocol for Objective C programs. - Copyright (C) 1993, 2004, 2009, 2010 Free Software Foundation, Inc. - -This file is part of GCC. - -GCC is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 3, or (at your option) -any later version. - -GCC is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -Under Section 7 of GPL version 3, you are granted additional -permissions described in the GCC Runtime Library Exception, version -3.1, as published by the Free Software Foundation. - -You should have received a copy of the GNU General Public License and -a copy of the GCC Runtime Library Exception along with this program; -see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -. */ - - -#ifndef __Protocol_INCLUDE_GNU -#define __Protocol_INCLUDE_GNU - -#include "Object.h" - -#ifdef __cplusplus -extern "C" { -#endif - -@interface Protocol : Object -{ -@private - char *protocol_name; - struct objc_protocol_list *protocol_list; - struct objc_method_description_list *instance_methods, *class_methods; -} -@end - -/* The Protocol methods have been replaced by - protocol_getName() - protocol_conformsToProtocol() - protocol_getMethodDescription() -*/ - -#ifdef __cplusplus -} -#endif - -#endif /* not __Protocol_INCLUDE_GNU */ diff --git a/gcc-4.7/libobjc/objc/README b/gcc-4.7/libobjc/objc/README deleted file mode 100644 index 69f17e581..000000000 --- a/gcc-4.7/libobjc/objc/README +++ /dev/null @@ -1,2 +0,0 @@ -This directory contains the public headers that are installed when -libobjc is installed. diff --git a/gcc-4.7/libobjc/objc/message.h b/gcc-4.7/libobjc/objc/message.h deleted file mode 100644 index 92b52633a..000000000 --- a/gcc-4.7/libobjc/objc/message.h +++ /dev/null @@ -1,120 +0,0 @@ -/* GNU Objective C Runtime messaging declarations - Copyright (C) 1993, 1995, 1996, 2004, 2009, - 2010 Free Software Foundation, Inc. - -This file is part of GCC. - -GCC is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 3, or (at your option) -any later version. - -GCC is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -Under Section 7 of GPL version 3, you are granted additional -permissions described in the GCC Runtime Library Exception, version -3.1, as published by the Free Software Foundation. - -You should have received a copy of the GNU General Public License and -a copy of the GCC Runtime Library Exception along with this program; -see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -. */ - -#ifndef __objc_message_INCLUDE_GNU -#define __objc_message_INCLUDE_GNU - -#include "objc.h" -#include "objc-decls.h" - -#ifdef __cplusplus -extern "C" { -#endif - -/* This file includes declarations of the messaging functions and - types. */ - -/* Compatibility note: the messaging function is one area where the - GNU runtime and the Apple/NeXT runtime differ significantly. If - you can, it is recommended that you use higher-level facilities - (provided by a Foundation library such as GNUstep Base) to perform - forwarding or other advanced messaging tricks. */ - -/* This function returns the IMP (C function implementing a method) to - use to invoke the method with selector 'op' of receiver 'receiver'. - - This is the function used by the compiler when compiling method - invocations with the GNU runtime. For example, the method call - - result = [receiver method]; - - is compiled by the compiler (with the GNU runtime) into the - equivalent of: - - { - IMP function = objc_msg_lookup (receiver, @selector (method)); - result = function (receiver, @selector (method)); - } - - so, a call to objc_msg_lookup() determines the IMP (the C function - implementing the method) to call. Then, the function is called. - If the method takes or returns different arguments, the compiler - will cast 'function' to the right type before invoking it, making - sure arguments and return value are handled correctly. - - objc_msg_lookup() must always return a valid function that can be - called with the required method signature (otherwise the - compiler-generated code shown above could segfault). If 'receiver' - is NULL, objc_msg_lookup() returns a C function that does nothing, - ignores all its arguments, and returns NULL (see nil_method.c). If - 'receiver' does not respond to the selector 'op', objc_msg_lookup() - will try to call +resolveClassMethod: or resolveInstanceMethod: as - appropriate, and if they return YES, it will try the lookup again - (+resolveClassMethod: and +resolveInstanceMethod: can thus install - dynamically methods as they are requested). If - +resolveClassMethod: or +resolveInstanceMethod: are either not - available, or return NO, or return YES but 'receiver' still doesn't - implement the 'selector' after calling them, the runtime returns a - generic "forwarding" function that can be called with the required - method signature and which can process the method invocation - according to the forwarding API. There are two runtime hooks that - allow Foundation libraries (such as GNUstep-Base) to return their - own forwarding function in preference to the runtime ones. When - that happens, the Foundation library effectively takes complete - control of the forwarding process; any method invocation where the - selector is not implemented by the receiver will end up calling a - forwarding function chosen by the Foundation library. */ -objc_EXPORT IMP objc_msg_lookup (id receiver, SEL op); - -/* Structure used when a message is send to a class's super class. - The compiler generates one of these structures and passes it to - objc_msg_lookup_super() when a [super method] call is compiled. */ - -/* Modern API. */ -struct objc_super -{ - id self; /* The receiver of the message. */ - Class super_class; /* The superclass of the receiver. */ -}; - -/* This is used by the compiler instead of objc_msg_lookup () when - compiling a call to 'super', such as [super method]. This requires - sending a message to super->self, but looking up the method as if - super->self was in class super->super_class. */ -objc_EXPORT IMP objc_msg_lookup_super (struct objc_super *super, SEL sel); - -/* Hooks for method forwarding. They make it easy to substitute the - built-in forwarding with one based on a library, such as ffi, that - implement closures, thereby avoiding gcc's __builtin_apply - problems. __objc_msg_forward2's result will be preferred over that - of __objc_msg_forward if both are set and return non-NULL. */ -objc_EXPORT IMP (*__objc_msg_forward)(SEL); -objc_EXPORT IMP (*__objc_msg_forward2)(id, SEL); - -#ifdef __cplusplus -} -#endif - -#endif /* not __objc_message_INCLUDE_GNU */ diff --git a/gcc-4.7/libobjc/objc/objc-decls.h b/gcc-4.7/libobjc/objc/objc-decls.h deleted file mode 100644 index 44df64397..000000000 --- a/gcc-4.7/libobjc/objc/objc-decls.h +++ /dev/null @@ -1,46 +0,0 @@ -/* GNU Objective-C Extern helpers for Win32. - Copyright (C) 2004, 2009, 2010 Free Software Foundation, Inc. - -This file is part of GCC. - -GCC is free software; you can redistribute it and/or modify it -under the terms of the GNU General Public License as published by the -Free Software Foundation; either version 3, or (at your option) any -later version. - -GCC is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or -FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public -License for more details. - -Under Section 7 of GPL version 3, you are granted additional -permissions described in the GCC Runtime Library Exception, version -3.1, as published by the Free Software Foundation. - -You should have received a copy of the GNU General Public License and -a copy of the GCC Runtime Library Exception along with this program; -see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -. */ - - -#ifndef __objc_decls_INCLUDE_GNU -#define __objc_decls_INCLUDE_GNU - -#if defined (_WIN32) || defined (__WIN32__) || defined (WIN32) - -# ifdef DLL_EXPORT /* defined by libtool (if required) */ -# define objc_EXPORT -# define objc_DECLARE -# else -# define objc_EXPORT extern __declspec(dllimport) -# define objc_DECLARE extern __declspec(dllimport) -# endif - -#else - -# define objc_EXPORT extern -# define objc_DECLARE - -#endif - -#endif /* __objc_decls_INCLUDE_GNU */ diff --git a/gcc-4.7/libobjc/objc/objc-exception.h b/gcc-4.7/libobjc/objc/objc-exception.h deleted file mode 100644 index 4f3ee4fbf..000000000 --- a/gcc-4.7/libobjc/objc/objc-exception.h +++ /dev/null @@ -1,109 +0,0 @@ -/* GNU Objective C Runtime native exceptions - Copyright (C) 2010 Free Software Foundation, Inc. - Contributed by Nicola Pero - -This file is part of GCC. - -GCC is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 3, or (at your option) -any later version. - -GCC is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -Under Section 7 of GPL version 3, you are granted additional -permissions described in the GCC Runtime Library Exception, version -3.1, as published by the Free Software Foundation. - -You should have received a copy of the GNU General Public License and -a copy of the GCC Runtime Library Exception along with this program; -see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -. */ - -#ifndef __objc_exception_INCLUDE_GNU -#define __objc_exception_INCLUDE_GNU - -#include "objc.h" -#include "objc-decls.h" - -#ifdef __cplusplus -extern "C" { -#endif - -/* 'objc_exception_throw' throws the exception 'exception', which is - an exception object. - - Calls to 'objc_exception_throw' are automatically generated by the - compiler: an Objective-C "@throw exception;" statement gets - compiled into the equivalent of "objc_exception_throw - (exception);". - - 'objc_exception_throw' searches for a @catch() that can catch the - exception. By default, @catch (MyClass object) will catch all - exception objects that are of class MyClass or of a subclass of - MyClass; if the exception object is 'nil', then the exception can - only be caught with a catch-all exception handler where no - exception class is specified (such as @catch(id object)). This - behaviour can be customized by setting an 'objc_exception_matcher' - function (using objc_set_exception_matcher(), see below); if one is - set, it is used instead of the default one. - - If the exception is uncaught (there is no @catch() to catch it), - the program aborts. It is possible to customize this behaviour by - setting an 'objc_uncaught_exception_handler' function (using - objc_set_uncaught_exception_handler(), see below); if one is set, - it is executed before abort() is called. An uncaught exception - handler is expected to never return. */ -objc_EXPORT void objc_exception_throw (id exception); - -/* Compatibility note: the Apple/NeXT runtime seems to also have - objc_exception_rethrow(), objc_begin_catch() and objc_end_catch(). - Currently the GNU runtime does not use them. */ - -/* The following functions allow customizing to a certain extent the - exception handling. They are not thread safe and should be called - during the program initialization before threads are started. They - are mostly reserved for "Foundation" libraries; in the case of - GNUstep, GNUstep Base may be using these functions to improve the - standard exception handling. You probably shouldn't use these - functions unless you are writing your own Foundation library. */ - -/* Compatibility note: objc_set_exception_preprocessor() (available on - the Apple/NeXT runtime) is not available on the GNU runtime. */ - -/* An 'objc_exception_matcher' function is used to match an exception - to a @catch clause. 'catch_class' is the class of objects caught - by the @catch clause (for example, in "@catch (Object *o)", the - catch_class is Object). It should return 1 if the exception should - be caught by a @catch with a catch_class argument, and 0 if - not. */ -typedef int (*objc_exception_matcher)(Class catch_class, id exception); - -/* Sets a new exception matcher function, and returns the previous - exception matcher function. This function is not safe to call in a - multi-threaded environment because other threads may be trying to - invoke the exception matcher while you change it! */ -objc_EXPORT objc_exception_matcher -objc_setExceptionMatcher (objc_exception_matcher new_matcher); - - -/* An 'objc_uncaught_exception_handler' function is a function that - handles uncaught exceptions. It should never return. */ -typedef void (*objc_uncaught_exception_handler)(id exception); - -/* Sets a new uncaught exception handler function, and returns the - previous exception handler function. This function is not safe to - call in a multi-threaded environment because other threads may be - trying to invoke the uncaught exception handler while you change - it. */ -objc_EXPORT objc_uncaught_exception_handler -objc_setUncaughtExceptionHandler (objc_uncaught_exception_handler new_handler); - -#ifdef __cplusplus -} -#endif - -#endif /* not __objc_exception_INCLUDE_GNU */ diff --git a/gcc-4.7/libobjc/objc/objc-sync.h b/gcc-4.7/libobjc/objc/objc-sync.h deleted file mode 100644 index 04d1db653..000000000 --- a/gcc-4.7/libobjc/objc/objc-sync.h +++ /dev/null @@ -1,69 +0,0 @@ -/* GNU Objective C Runtime @synchronized implementation - Copyright (C) 2010 Free Software Foundation, Inc. - Contributed by Nicola Pero - -This file is part of GCC. - -GCC is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 3, or (at your option) -any later version. - -GCC is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -Under Section 7 of GPL version 3, you are granted additional -permissions described in the GCC Runtime Library Exception, version -3.1, as published by the Free Software Foundation. - -You should have received a copy of the GNU General Public License and -a copy of the GCC Runtime Library Exception along with this program; -see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -. */ - -#ifndef __objc_sync_INCLUDE_GNU -#define __objc_sync_INCLUDE_GNU - -#include "objc.h" -#include "objc-decls.h" - -#ifdef __cplusplus -extern "C" { -#endif - -/* These functions are automatically called by @synchronized(). */ - -/* 'objc_sync_enter' is automatically called when entering a - @synchronized() block. It locks the recursive lock associated with - 'object'. If 'object' is nil, it does nothing. It returns - OBJC_SYNC_SUCCESS on success; see the enumeration below for error - values. - - Note that you should not rely on the behaviour when 'object' is nil - because it could change. */ -objc_EXPORT int objc_sync_enter (id object); - -/* 'objc_sync_exit' is automatically called when exiting from a - @synchronized() block. It unlocks the recursive lock associated - with 'object'. If 'object' is nil, it does nothing. It returns - OBJC_SYNC_SUCCESS on success; see the enumeration below for error - values. */ -objc_EXPORT int objc_sync_exit (id object); - -/* All the possible return values for objc_sync_enter() and - objc_sync_exit(). - */ -enum { - OBJC_SYNC_SUCCESS = 0, - OBJC_SYNC_NOT_OWNING_THREAD_ERROR = -1, - OBJC_SYNC_TIMED_OUT = -2, - OBJC_SYNC_NOT_INITIALIZED = -3 -}; - -#ifdef __cplusplus -} -#endif - -#endif /* not __objc_sync_INCLUDE_GNU */ diff --git a/gcc-4.7/libobjc/objc/objc.h b/gcc-4.7/libobjc/objc/objc.h deleted file mode 100644 index 1fa43737e..000000000 --- a/gcc-4.7/libobjc/objc/objc.h +++ /dev/null @@ -1,152 +0,0 @@ -/* Basic data types for Objective C. - Copyright (C) 1993, 1995, 1996, 2004, 2009, - 2010 Free Software Foundation, Inc. - -This file is part of GCC. - -GCC is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 3, or (at your option) -any later version. - -GCC is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -Under Section 7 of GPL version 3, you are granted additional -permissions described in the GCC Runtime Library Exception, version -3.1, as published by the Free Software Foundation. - -You should have received a copy of the GNU General Public License and -a copy of the GCC Runtime Library Exception along with this program; -see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -. */ - -#ifndef __objc_INCLUDE_GNU -#define __objc_INCLUDE_GNU - -/* This file contains the definition of the basic types used by the - Objective-C language. It needs to be included to do almost - anything with Objective-C. */ - -#ifdef __cplusplus -extern "C" { -#endif - -#include - -/* The current version of the GNU Objective-C Runtime library in - compressed ISO date format. This should be updated any time a new - version is released with changes to the public API (there is no - need to update it if there were no API changes since the previous - release). This macro is only defined starting with the GNU - Objective-C Runtime shipped with GCC 4.6.0. If it is not defined, - it is either an older version of the runtime, or another runtime. */ -#define __GNU_LIBOBJC__ 20110608 - -/* Definition of the boolean type. - - Compatibility note: the Apple/NeXT runtime defines a BOOL as a - 'signed char'. The GNU runtime uses an 'unsigned char'. - - Important: this could change and we could switch to 'typedef bool - BOOL' in the future. Do not depend on the type of BOOL. */ -#undef BOOL -typedef unsigned char BOOL; - -#define YES (BOOL)1 -#define NO (BOOL)0 - -/* The basic Objective-C types (SEL, Class, id) are defined as pointer - to opaque structures. The details of the structures are private to - the runtime and may potentially change from one version to the - other. */ - -/* A SEL (selector) represents an abstract method (in the - object-oriented sense) and includes all the details of how to - invoke the method (which means its name, arguments and return - types) but provides no implementation of its own. You can check - whether a class implements a selector or not, and if you have a - selector and know that the class implements it, you can use it to - call the method for an object in the class. */ -typedef const struct objc_selector *SEL; - -/* A Class is a class (in the object-oriented sense). In Objective-C - there is the complication that each Class is an object itself, and - so belongs to a class too. This class that a class belongs to is - called its 'meta class'. */ -typedef struct objc_class *Class; - -/* An 'id' is an object of an unknown class. The way the object data - is stored inside the object is private and what you see here is - only the beginning of the actual struct. The first field is always - a pointer to the Class that the object belongs to. */ -typedef struct objc_object -{ - /* 'class_pointer' is the Class that the object belongs to. In case - of a Class object, this pointer points to the meta class. - - Compatibility Note: The Apple/NeXT runtime calls this field - 'isa'. To access this field, use object_getClass() from - runtime.h, which is an inline function so does not add any - overhead and is also portable to other runtimes. */ - Class class_pointer; -} *id; - -/* 'IMP' is a C function that implements a method. When retrieving - the implementation of a method from the runtime, this is the type - of the pointer returned. The idea of the definition of IMP is to - represent a 'pointer to a general function taking an id, a SEL, - followed by other unspecified arguments'. You must always cast an - IMP to a pointer to a function taking the appropriate, specific - types for that function, before calling it - to make sure the - appropriate arguments are passed to it. The code generated by the - compiler to perform method calls automatically does this cast - inside method calls. */ -typedef id (*IMP)(id, SEL, ...); - -/* 'nil' is the null object. Messages to nil do nothing and always - return 0. */ -#define nil (id)0 - -/* 'Nil' is the null class. Since classes are objects too, this is - actually the same object as 'nil' (and behaves in the same way), - but it has a type of Class, so it is good to use it instead of - 'nil' if you are comparing a Class object to nil as it enables the - compiler to do some type-checking. */ -#define Nil (Class)0 - -/* TODO: Move the 'Protocol' declaration into objc/runtime.h. A - Protocol is simply an object, not a basic Objective-C type. The - Apple runtime defines Protocol in objc/runtime.h too, so it's good - to move it there for API compatibility. */ - -/* A 'Protocol' is a formally defined list of selectors (normally - created using the @protocol Objective-C syntax). It is mostly used - at compile-time to check that classes implement all the methods - that they are supposed to. Protocols are also available in the - runtime system as Protocol objects. */ -#ifndef __OBJC__ - /* Once we stop including the deprecated struct_objc_protocol.h - there is no reason to even define a 'struct objc_protocol'. As - all the structure details will be hidden, a Protocol basically is - simply an object (as it should be). */ - typedef struct objc_object Protocol; -#else /* __OBJC__ */ - @class Protocol; -#endif - -/* Compatibility note: the Apple/NeXT runtime defines sel_getName(), - sel_registerName(), object_getClassName(), object_getIndexedIvars() - in this file while the GNU runtime defines them in runtime.h. - - The reason the GNU runtime does not define them here is that they - are not basic Objective-C types (defined in this file), but are - part of the runtime API (defined in runtime.h). */ - -#ifdef __cplusplus -} -#endif - -#endif /* not __objc_INCLUDE_GNU */ diff --git a/gcc-4.7/libobjc/objc/runtime.h b/gcc-4.7/libobjc/objc/runtime.h deleted file mode 100644 index c649e239d..000000000 --- a/gcc-4.7/libobjc/objc/runtime.h +++ /dev/null @@ -1,1143 +0,0 @@ -/* GNU Objective-C Runtime API - Modern API - Copyright (C) 2010 Free Software Foundation, Inc. - Contributed by Nicola Pero - -This file is part of GCC. - -GCC is free software; you can redistribute it and/or modify it -under the terms of the GNU General Public License as published by the -Free Software Foundation; either version 3, or (at your option) any -later version. - -GCC is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or -FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public -License for more details. - -Under Section 7 of GPL version 3, you are granted additional -permissions described in the GCC Runtime Library Exception, version -3.1, as published by the Free Software Foundation. - -You should have received a copy of the GNU General Public License and -a copy of the GCC Runtime Library Exception along with this program; -see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -. */ - -#ifndef __objc_runtime_INCLUDE_GNU -#define __objc_runtime_INCLUDE_GNU - -/* - This file declares the "modern" GNU Objective-C Runtime API. - - This API replaced the "traditional" GNU Objective-C Runtime API - (which used to be declared in objc/objc-api.h) which is the one - supported by older versions of the GNU Objective-C Runtime. The - "modern" API is very similar to the API used by the modern - Apple/NeXT runtime. -*/ -#include "objc.h" -#include "objc-decls.h" - -#ifdef __cplusplus -extern "C" { -#endif /* __cplusplus */ - -/* An 'Ivar' represents an instance variable. It holds information - about the name, type and offset of the instance variable. */ -typedef struct objc_ivar *Ivar; - -/* A 'Property' represents a property. It holds information about the - name of the property, and its attributes. - - Compatibility Note: the Apple/NeXT runtime defines this as - objc_property_t, so we define it that way as well, but obviously - Property is the right name. */ -typedef struct objc_property *Property; -typedef struct objc_property *objc_property_t; - -/* A 'Method' represents a method. It holds information about the - name, types and the IMP of the method. */ -typedef struct objc_method *Method; - -/* A 'Category' represents a category. It holds information about the - name of the category, the class it belongs to, and the methods, - protocols and such like provided by the category. */ -typedef struct objc_category *Category; - -/* 'Protocol' is defined in objc/objc.h (which is included by this - file). */ - -/* Method descriptor returned by introspective Object methods. At the - moment, this is really just the first part of the more complete - objc_method structure used internally by the runtime. (PS: In the - GNU Objective-C Runtime, selectors already include a type, so an - objc_method_description does not add much to a SEL. But in other - runtimes, that is not the case, which is why - objc_method_description exists). */ -struct objc_method_description -{ - SEL name; /* Selector (name and signature) */ - char *types; /* Type encoding */ -}; - -/* The following are used in encode strings to describe the type of - Ivars and Methods. */ -#define _C_ID '@' -#define _C_CLASS '#' -#define _C_SEL ':' -#define _C_CHR 'c' -#define _C_UCHR 'C' -#define _C_SHT 's' -#define _C_USHT 'S' -#define _C_INT 'i' -#define _C_UINT 'I' -#define _C_LNG 'l' -#define _C_ULNG 'L' -#define _C_LNG_LNG 'q' -#define _C_ULNG_LNG 'Q' -#define _C_FLT 'f' -#define _C_DBL 'd' -#define _C_LNG_DBL 'D' -#define _C_BFLD 'b' -#define _C_BOOL 'B' -#define _C_VOID 'v' -#define _C_UNDEF '?' -#define _C_PTR '^' -#define _C_CHARPTR '*' -#define _C_ARY_B '[' -#define _C_ARY_E ']' -#define _C_UNION_B '(' -#define _C_UNION_E ')' -#define _C_STRUCT_B '{' -#define _C_STRUCT_E '}' -#define _C_VECTOR '!' -#define _C_COMPLEX 'j' - -/* _C_ATOM is never generated by the compiler. You can treat it as - equivalent to "*". */ -#define _C_ATOM '%' - -/* The following are used in encode strings to describe some - qualifiers of method and ivar types. */ -#define _C_CONST 'r' -#define _C_IN 'n' -#define _C_INOUT 'N' -#define _C_OUT 'o' -#define _C_BYCOPY 'O' -#define _C_BYREF 'R' -#define _C_ONEWAY 'V' -#define _C_GCINVISIBLE '|' - -/* The same when used as flags. */ -#define _F_CONST 0x01 -#define _F_IN 0x01 -#define _F_OUT 0x02 -#define _F_INOUT 0x03 -#define _F_BYCOPY 0x04 -#define _F_BYREF 0x08 -#define _F_ONEWAY 0x10 -#define _F_GCINVISIBLE 0x20 - - -/** Implementation: the following functions are defined inline. */ - -/* Return the class of 'object', or Nil if the object is nil. If - 'object' is a class, the meta class is returned; if 'object' is a - meta class, the root meta class is returned (note that this is - different from the traditional GNU Objective-C Runtime API function - object_get_class(), which for a meta class would return the meta - class itself). This function is inline, so it is really fast and - should be used instead of accessing object->class_pointer - directly. */ -static inline Class -object_getClass (id object) -{ - if (object != nil) - return object->class_pointer; - else - return Nil; -} - - -/** Implementation: the following functions are in selector.c. */ - -/* Return the name of a given selector. If 'selector' is NULL, return - "". */ -objc_EXPORT const char *sel_getName (SEL selector); - -/* Return the type of a given selector. Return NULL if selector is - NULL. - - Compatibility Note: the Apple/NeXT runtime has untyped selectors, - so it does not have this function, which is specific to the GNU - Runtime. */ -objc_EXPORT const char *sel_getTypeEncoding (SEL selector); - -/* This is the same as sel_registerName (). Please use - sel_registerName () instead. */ -objc_EXPORT SEL sel_getUid (const char *name); - -/* Register a selector with a given name (but unspecified types). If - you know the types, it is better to call sel_registerTypedName(). - If a selector with this name and no types already exists, it is - returned. Note that this function should really be called - 'objc_registerSelector'. Return NULL if 'name' is NULL. */ -objc_EXPORT SEL sel_registerName (const char *name); - -/* Register a selector with a given name and types. If a selector - with this name and types already exists, it is returned. Note that - this function should really be called 'objc_registerTypedSelector', - and it's called 'sel_registerTypedName' only for consistency with - 'sel_registerName'. Return NULL if 'name' is NULL. - - Compatibility Note: the Apple/NeXT runtime has untyped selectors, - so it does not have this function, which is specific to the GNU - Runtime. */ -objc_EXPORT SEL sel_registerTypedName (const char *name, const char *type); - -/* Return YES if first_selector is the same as second_selector, and NO - if not. */ -objc_EXPORT BOOL sel_isEqual (SEL first_selector, SEL second_selector); - -/* Return all the selectors with the supplied name. In the GNU - runtime, selectors are typed and there may be multiple selectors - with the same name but a different type. The return value of the - function is a pointer to an area, allocated with malloc(), that - contains all the selectors with the supplier name known to the - runtime. The list is terminated by NULL. Optionally, if you pass - a non-NULL 'numberOfReturnedSelectors' pointer, the unsigned int - that it points to will be filled with the number of selectors - returned. - - Compatibility Note: the Apple/NeXT runtime has untyped selectors, - so it does not have this function, which is specific to the GNU - Runtime. */ -objc_EXPORT SEL * sel_copyTypedSelectorList (const char *name, - unsigned int *numberOfReturnedSelectors); - -/* Return a selector with name 'name' and a non-zero type encoding, if - there is a single selector with a type, and with that name, - registered with the runtime. If there is no such selector, or if - there are multiple selectors with the same name but conflicting - types, NULL is returned. Return NULL if 'name' is NULL. - - This is useful if you have the name of the selector, and would - really like to get a selector for it that includes the type - encoding. Unfortunately, if the program contains multiple selector - with the same name but different types, sel_getTypedSelector can - not possibly know which one you need, and so will return NULL. - - Compatibility Note: the Apple/NeXT runtime has untyped selectors, - so it does not have this function, which is specific to the GNU - Runtime. */ -objc_EXPORT SEL sel_getTypedSelector (const char *name); - - -/** Implementation: the following functions are in objects.c. */ - -/* Create an instance of class 'class_', adding extraBytes to the size - of the returned object. This method allocates the appropriate - amount of memory for the instance, initializes it to zero, then - calls all the C++ constructors on appropriate C++ instance - variables of the instance (if any) (TODO: The C++ constructors bit - is not implemented yet). */ -objc_EXPORT id class_createInstance (Class class_, size_t extraBytes); - -/* Copy an object and return the copy. extraBytes should be identical - to the extraBytes parameter that was passed when creating the - original object. */ -objc_EXPORT id object_copy (id object, size_t extraBytes); - -/* Dispose of an object. This method calls the appropriate C++ - destructors on appropriate C++ instance variables of the instance - (if any) (TODO: This is not implemented yet), then frees the memory - for the instance. */ -objc_EXPORT id object_dispose (id object); - -/* Return the name of the class of 'object'. If 'object' is 'nil', - returns "Nil". */ -objc_EXPORT const char * object_getClassName (id object); - -/* Change the class of object to be class_. Return the previous class - of object. This is currently not really thread-safe. */ -objc_EXPORT Class object_setClass (id object, Class class_); - - -/** Implementation: the following functions are in ivars.c. */ - -/* Return an instance variable given the class and the instance - variable name. This is an expensive function to call, so try to - reuse the returned Ivar if you can. */ -objc_EXPORT Ivar class_getInstanceVariable (Class class_, const char *name); - -/* Return a class variable given the class and the class variable - name. This is an expensive function to call, so try to reuse the - returned Ivar if you can. - - This function always returns NULL since class variables are - currently unavailable in Objective-C. */ -objc_EXPORT Ivar class_getClassVariable (Class class_, const char *name); - -/* If the object was created in class_createInstance() with some - extraBytes, returns a pointer to them. If it was not, then the - returned pointer may make no sense. */ -objc_EXPORT void * object_getIndexedIvars (id object); - -/* Get the value of an instance variable of type 'id'. The function - returns the instance variable. To get the value of the instance - variable, you should pass as 'returnValue' a pointer to an 'id'; - the value will be copied there. Note that 'returnValue' is really - a 'void *', not a 'void **'. This function really works only with - instance variables of type 'id'; for other types of instance - variables, access directly the data at (char *)object + - ivar_getOffset (ivar). */ -objc_EXPORT Ivar object_getInstanceVariable (id object, const char *name, void **returnValue); - -/* Set the value of an instance variable. The value to set is passed - in 'newValue' (which really is an 'id', not a 'void *'). The - function returns the instance variable. This function really works - only with instance variables of type 'id'; for other types of - instance variables, access directly the data at (char *)object + - ivar_getOffset (ivar). */ -objc_EXPORT Ivar object_setInstanceVariable (id object, const char *name, void *newValue); - -/* Get the value of an instance variable of type 'id' of the object - 'object'. This is faster than object_getInstanceVariable if you - already have the instance variable because it avoids the expensive - call to class_getInstanceVariable that is done by - object_getInstanceVariable. */ -objc_EXPORT id object_getIvar (id object, Ivar variable); - -/* Set the value of an instance variable of type 'id' of the object - 'object'. This is faster than object_setInstanceVariable if you - already have the instance variable because it avoids the expensive - call to class_getInstanceVariable that is done by - object_setInstanceVariable. */ -objc_EXPORT void object_setIvar (id object, Ivar variable, id value); - -/* Return the name of the instance variable. Return NULL if - 'variable' is NULL. */ -objc_EXPORT const char * ivar_getName (Ivar variable); - -/* Return the offset of the instance variable from the start of the - object data. Return 0 if 'variable' is NULL. */ -objc_EXPORT ptrdiff_t ivar_getOffset (Ivar variable); - -/* Return the type encoding of the variable. Return NULL if - 'variable' is NULL. */ -objc_EXPORT const char * ivar_getTypeEncoding (Ivar variable); - -/* Return all the instance variables of the class. The return value - of the function is a pointer to an area, allocated with malloc(), - that contains all the instance variables of the class. It does not - include instance variables of superclasses. The list is terminated - by NULL. Optionally, if you pass a non-NULL - 'numberOfReturnedIvars' pointer, the unsigned int that it points to - will be filled with the number of instance variables returned. - Return NULL for classes still in construction (ie, allocated using - objc_allocatedClassPair() but not yet registered with the runtime - using objc_registerClassPair()). */ -objc_EXPORT Ivar * class_copyIvarList (Class class_, unsigned int *numberOfReturnedIvars); - -/* Add an instance variable with name 'ivar_name' to class 'class_', - where 'class_' is a class in construction that has been created - using objc_allocateClassPair() and has not been registered with the - runtime using objc_registerClassPair() yet. You can not add - instance variables to classes already registered with the runtime. - 'size' is the size of the instance variable, 'log_2_of_alignment' - the alignment as a power of 2 (so 0 means alignment to a 1 byte - boundary, 1 means alignment to a 2 byte boundary, 2 means alignment - to a 4 byte boundary, etc), and 'type' the type encoding of the - variable type. You can use sizeof(), log2(__alignof__()) and - @encode() to determine the right 'size', 'alignment' and 'type' for - your instance variable. For example, to add an instance variable - name "my_variable" and of type 'id', you can use: - - class_addIvar (class, "my_variable", sizeof (id), log2 ( __alignof__ (id)), - @encode (id)); - - Return YES if the variable was added, and NO if not. In - particular, return NO if 'class_' is Nil, or a meta-class or a - class not in construction. Return Nil also if 'ivar_name' or - 'type' is NULL, or 'size' is 0. - */ -objc_EXPORT BOOL class_addIvar (Class class_, const char * ivar_name, size_t size, - unsigned char log_2_of_alignment, const char *type); - -/* Return the name of the property. Return NULL if 'property' is - NULL. */ -objc_EXPORT const char * property_getName (Property property); - -/* Return the attributes of the property as a string. Return NULL if - 'property' is NULL. */ -objc_EXPORT const char * property_getAttributes (Property property); - -/* Return the property with name 'propertyName' of the class 'class_'. - This function returns NULL if the required property can not be - found. Return NULL if 'class_' or 'propertyName' is NULL. - - Note that the traditional ABI does not store the list of properties - of a class in a compiled module, so the traditional ABI will always - return NULL. */ -objc_EXPORT Property class_getProperty (Class class_, const char *propertyName); - -/* Return all the properties of the class. The return value - of the function is a pointer to an area, allocated with malloc(), - that contains all the properties of the class. It does not - include properties of superclasses. The list is terminated - by NULL. Optionally, if you pass a non-NULL - 'numberOfReturnedIvars' pointer, the unsigned int that it points to - will be filled with the number of properties returned. - - Note that the traditional ABI does not store the list of properties - of a class in a compiled module, so the traditional ABI will always - return an empty list. */ -objc_EXPORT Property * class_copyPropertyList -(Class class_, unsigned int *numberOfReturnedProperties); - -/* Return the ivar layout for class 'class_'. - - At the moment this function always returns NULL. */ -objc_EXPORT const char * class_getIvarLayout (Class class_); - -/* Return the weak ivar layout for class 'class_'. - - At the moment this function always returns NULL. */ -objc_EXPORT const char * class_getWeakIvarLayout (Class class_); - -/* Set the ivar layout for class 'class_'. - - At the moment, this function does nothing. */ -objc_EXPORT void class_setIvarLayout (Class class_, const char *layout); - -/* Set the weak ivar layout for class 'class_'. - - At the moment, this function does nothing. With the GNU runtime, - you should use class_ivar_set_gcinvisible () to hide variables from - the Garbage Collector. */ -objc_EXPORT void class_setWeakIvarLayout (Class class_, const char *layout); - - -/** Implementation: the following functions are in class.c. */ - -/* Compatibility Note: The Apple/NeXT runtime does not have - objc_get_unknown_class_handler and - objc_setGetUnknownClassHandler(). They provide functionality that - the traditional GNU Objective-C Runtime API used to provide via the - _objc_lookup_class hook. */ - -/* An 'objc_get_unknown_class_handler' function is used by - objc_getClass() to get a class that is currently unknown to the - compiler. You could use it for example to have the class loaded by - dynamically loading a library. 'class_name' is the name of the - class. The function should return the Class object if it manages to - load the class, and Nil if not. */ -typedef Class (*objc_get_unknown_class_handler)(const char *class_name); - -/* Sets a new handler function for getting unknown classes (to be used - by objc_getClass () and related), and returns the previous one. - This function is not safe to call in a multi-threaded environment - because other threads may be trying to use the get unknown class - handler while you change it! */ -objc_EXPORT -objc_get_unknown_class_handler -objc_setGetUnknownClassHandler (objc_get_unknown_class_handler new_handler); - -/* Return the class with name 'name', if it is already registered with - the runtime. If it is not registered, and - objc_setGetUnknownClassHandler() has been called to set a handler - for unknown classes, the handler is called to give it a chance to - load the class in some other way. If the class is not known to the - runtime and the handler is not set or returns Nil, objc_getClass() - returns Nil. */ -objc_EXPORT Class objc_getClass (const char *name); - -/* Return the class with name 'name', if it is already registered with - the runtime. Return Nil if not. This function does not call the - objc_get_unknown_class_handler function if the class is not - found. */ -objc_EXPORT Class objc_lookUpClass (const char *name); - -/* Return the meta class associated to the class with name 'name', if - it is already registered with the runtime. First, it finds the - class using objc_getClass(). Then, it returns the associated meta - class. If the class could not be found using objc_getClass(), - returns Nil. */ -objc_EXPORT Class objc_getMetaClass (const char *name); - -/* This is identical to objc_getClass(), but if the class is not found, - it aborts the process instead of returning Nil. */ -objc_EXPORT Class objc_getRequiredClass (const char *name); - -/* If 'returnValue' is NULL, 'objc_getClassList' returns the number of - classes currently registered with the runtime. If 'returnValue' is - not NULL, it should be a (Class *) pointer to an area of memory - which can contain up to 'maxNumberOfClassesToReturn' Class records. - 'objc_getClassList' will fill the area pointed to by 'returnValue' - with all the Classes registered with the runtime (or up to - maxNumberOfClassesToReturn if there are more than - maxNumberOfClassesToReturn). The function return value is the - number of classes actually returned in 'returnValue'. */ -objc_EXPORT int objc_getClassList (Class *returnValue, int maxNumberOfClassesToReturn); - -/* Compatibility Note: The Apple/NeXT runtime also has - - Class objc_getFutureClass (const char *name); - void objc_setFutureClass (Class class_, const char *name); - - the documentation is unclear on what they are supposed to do, and - the GNU Objective-C Runtime currently does not provide them. */ - -/* Return the name of the class 'class_', or the string "nil" if the - class_ is Nil. */ -objc_EXPORT const char * class_getName (Class class_); - -/* Return YES if 'class_' is a meta class, and NO if not. If 'class_' - is Nil, return NO. */ -objc_EXPORT BOOL class_isMetaClass (Class class_); - -/* Return the superclass of 'class_'. If 'class_' is Nil, or it is a - root class, return Nil. This function also works if 'class_' is a - class being constructed, that is, a class returned by - objc_allocateClassPair() but before it has been registered with the - runtime using objc_registerClassPair(). */ -objc_EXPORT Class class_getSuperclass (Class class_); - -/* Return the 'version' number of the class, which is an integer that - can be used to track changes in the class API, methods and - variables. If class_ is Nil, return 0. If class_ is not Nil, the - version is 0 unless class_setVersion() has been called to set a - different one. - - Please note that internally the version is a long, but the API only - allows you to set and retrieve int values. */ -objc_EXPORT int class_getVersion (Class class_); - -/* Set the 'version' number of the class, which is an integer that can - be used to track changes in the class API, methods and variables. - If 'class_' is Nil, does nothing. - - This is typically used internally by "Foundation" libraries such as - GNUstep Base to support serialization / deserialization of objects - that work across changes in the classes. If you are using such a - library, you probably want to use their versioning API, which may - be based on this one, but is integrated with the rest of the - library. - - Please note that internally the version is a long, but the API only - allows you to set and retrieve int values. */ -objc_EXPORT void class_setVersion (Class class_, int version); - -/* Return the size in bytes (a byte is the size of a char) of an - instance of the class. If class_ is Nil, return 0; else it return - a non-zero number (since the 'isa' instance variable is required - for all classes). */ -objc_EXPORT size_t class_getInstanceSize (Class class_); - -/* Change the implementation of the method. It also searches all - classes for any class implementing the method, and replaces the - existing implementation with the new one. For that to work, - 'method' must be a method returned by class_getInstanceMethod() or - class_getClassMethod() as the matching is done by comparing the - pointers; in that case, only the implementation in the class is - modified. Return the previous implementation that has been - replaced. If method or implementation is NULL, do nothing and - return NULL. */ -objc_EXPORT IMP -method_setImplementation (Method method, IMP implementation); - -/* Swap the implementation of two methods in a single, atomic - operation. This is equivalent to getting the implementation of - each method and then calling method_setImplementation() on the - other one. For this to work, the two methods must have been - returned by class_getInstanceMethod() or class_getClassMethod(). - If 'method_a' or 'method_b' is NULL, do nothing. */ -objc_EXPORT void -method_exchangeImplementations (Method method_a, Method method_b); - -/* Create a new class/meta-class pair. This function is called to - create a new class at runtime. The class is created with - superclass 'superclass' (use 'Nil' to create a new root class) and - name 'class_name'. 'extraBytes' can be used to specify some extra - space for indexed variables to be added at the end of the class and - meta-class objects (it is recommended that you set extraBytes to - 0). Once you have created the class, it is not usable yet. You - need to add any instance variables (by using class_addIvar()), any - instance methods (by using class_addMethod()) and any class methods - (by using class_addMethod() on the meta-class, as in - class_addMethod (object_getClass (class), method)) that are - required, and then you need to call objc_registerClassPair() to - activate the class. If you need to create a hierarchy of classes, - you need to create and register them one at a time. You can not - create a new class using another class in construction as - superclass. Return Nil if 'class-name' is NULL or if a class with - that name already exists or 'superclass' is a class still in - construction. - - Implementation Note: in the GNU runtime, allocating a class pair - only creates the structures for the class pair, but does not - register anything with the runtime. The class is registered with - the runtime only when objc_registerClassPair() is called. In - particular, if a class is in construction, objc_getClass() will not - find it, the superclass will not know about it, - class_getSuperclass() will return Nil and another thread may - allocate a class pair with the same name; the conflict will only be - detected when the classes are registered with the runtime. - */ -objc_EXPORT Class -objc_allocateClassPair (Class super_class, const char *class_name, - size_t extraBytes); - -/* Register a class pair that was created with - objc_allocateClassPair(). After you register a class, you can no - longer make changes to its instance variables, but you can start - creating instances of it. Do nothing if 'class_' is NULL or if it - is not a class allocated by objc_allocateClassPair() and still in - construction. */ -objc_EXPORT void -objc_registerClassPair (Class class_); - -/* Dispose of a class pair created using objc_allocateClassPair(). - Call this function if you started creating a new class with - objc_allocateClassPair() but then want to abort the process. You - should not access 'class_' after calling this method. Note that if - 'class_' has already been registered with the runtime via - objc_registerClassPair(), this function does nothing; you can only - dispose of class pairs that are still being constructed. Do - nothing if class is 'Nil' or if 'class_' is not a class being - constructed. */ -objc_EXPORT void -objc_disposeClassPair (Class class_); - -/* Compatibility Note: The Apple/NeXT runtime has the function - objc_duplicateClass () but it's undocumented. The GNU runtime does - not have it. */ - - -/** Implementation: the following functions are in sendmsg.c. */ - -/* Return the instance method with selector 'selector' of class - 'class_', or NULL if the class (or one of its superclasses) does - not implement the method. Return NULL if class_ is Nil or selector - is NULL. Calling this function may trigger a call to - +resolveInstanceMethod:, but does not return a forwarding - function. */ -objc_EXPORT Method class_getInstanceMethod (Class class_, SEL selector); - -/* Return the class method with selector 'selector' of class 'class_', - or NULL if the class (or one of its superclasses) does not - implement the method. Return NULL if class_ is Nil or selector is - NULL. Calling this function may trigger a call to - +resolveClassMethod:, but does not return a forwarding - function. */ -objc_EXPORT Method class_getClassMethod (Class class_, SEL selector); - -/* Return the IMP (pointer to the function implementing a method) for - the instance method with selector 'selector' in class 'class_'. - This is the same routine that is used while messaging, and should - be very fast. Note that you most likely would need to cast the - return function pointer to a function pointer with the appropriate - arguments and return type before calling it. To get a class - method, you can pass the meta-class as the class_ argument (ie, use - class_getMethodImplementation (object_getClass (class_), - selector)). Return NULL if class_ is Nil or selector is NULL. - This function first looks for an existing method; if it is not - found, it calls +resolveClassMethod: or +resolveInstanceMethod: - (depending on whether a class or instance method is being looked - up) if it is implemented. If the method returns YES, then it tries - the look up again (the assumption being that +resolveClassMethod: - or resolveInstanceMethod: will add the method using - class_addMethod()). If it is still not found, it returns a - forwarding function. */ -objc_EXPORT IMP class_getMethodImplementation (Class class_, SEL selector); - -/* Compatibility Note: the Apple/NeXT runtime has the function - class_getMethodImplementation_stret () which currently does not - exist on the GNU runtime because the messaging implementation is - different. */ - -/* Return YES if class 'class_' has an instance method implementing - selector 'selector', and NO if not. Return NO if class_ is Nil or - selector is NULL. If you need to check a class method, use the - meta-class as the class_ argument (ie, use class_respondsToSelector - (object_getClass (class_), selector)). */ -objc_EXPORT BOOL class_respondsToSelector (Class class_, SEL selector); - -/* Add a method to a class. Use this function to add a new method to - a class (potentially overriding a method with the same selector in - the superclass); if you want to modify an existing method, use - method_setImplementation() instead (or class_replaceMethod ()). - This method adds an instance method to 'class_'; to add a class - method, get the meta class first, then add the method to the meta - class, that is, use - - class_addMethod (object_getClass (class_), selector, - implementation, type); - - Return YES if the method was added, and NO if not. Do nothing if - one of the arguments is NULL. */ -objc_EXPORT BOOL class_addMethod (Class class_, SEL selector, IMP implementation, - const char *method_types); - -/* Replace a method in a class. If the class already have a method - with this 'selector', find it and use method_setImplementation() to - replace the implementation with 'implementation' (method_types is - ignored in that case). If the class does not already have a method - with this 'selector', call 'class_addMethod() to add it. - - Return the previous implementation of the method, or NULL if none - was found. Return NULL if any of the arguments is NULL. */ -objc_EXPORT IMP class_replaceMethod (Class class_, SEL selector, IMP implementation, - const char *method_types); - - -/** Implementation: the following functions are in methods.c. */ - -/* Return the selector for method 'method'. Return NULL if 'method' - is NULL. - - This function is misnamed; it should be called - 'method_getSelector'. To get the actual name, get the selector, - then the name from the selector (ie, use sel_getName - (method_getName (method))). */ -objc_EXPORT SEL method_getName (Method method); - -/* Return the IMP of the method. Return NULL if 'method' is NULL. */ -objc_EXPORT IMP method_getImplementation (Method method); - -/* Return the type encoding of the method. Return NULL if 'method' is - NULL. */ -objc_EXPORT const char * method_getTypeEncoding (Method method); - -/* Return a method description for the method. Return NULL if - 'method' is NULL. */ -objc_EXPORT struct objc_method_description * method_getDescription (Method method); - -/* Return all the instance methods of the class. The return value of - the function is a pointer to an area, allocated with malloc(), that - contains all the instance methods of the class. It does not - include instance methods of superclasses. The list is terminated - by NULL. Optionally, if you pass a non-NULL - 'numberOfReturnedMethods' pointer, the unsigned int that it points - to will be filled with the number of instance methods returned. To - get the list of class methods, pass the meta-class in the 'class_' - argument, (ie, use class_copyMethodList (object_getClass (class_), - &numberOfReturnedMethods)). */ -objc_EXPORT Method * class_copyMethodList (Class class_, unsigned int *numberOfReturnedMethods); - - -/** Implementation: the following functions are in encoding.c. */ - -/* Return the number of arguments that the method 'method' expects. - Note that all methods need two implicit arguments ('self' for the - receiver, and '_cmd' for the selector). Return 0 if 'method' is - NULL. */ -objc_EXPORT unsigned int method_getNumberOfArguments (Method method); - -/* Return the string encoding for the return type of method 'method'. - The string is a standard zero-terminated string in an area of - memory allocated with malloc(); you should free it with free() when - you finish using it. Return an empty string if method is NULL. */ -objc_EXPORT char * method_copyReturnType (Method method); - -/* Return the string encoding for the argument type of method - 'method', argument number 'argumentNumber' ('argumentNumber' is 0 - for self, 1 for _cmd, and 2 or more for the additional arguments if - any). The string is a standard zero-terminated string in an area - of memory allocated with malloc(); you should free it with free() - when you finish using it. Return an empty string if method is NULL - or if 'argumentNumber' refers to a non-existing argument. */ -objc_EXPORT char * method_copyArgumentType (Method method, unsigned int argumentNumber); - -/* Return the string encoding for the return type of method 'method'. - The string is returned by copying it into the supplied - 'returnValue' string, which is of size 'returnValueSize'. No more - than 'returnValueSize' characters are copied; if the encoding is - smaller than 'returnValueSize', the rest of 'returnValue' is filled - with zeros. If it is bigger, it is truncated (and would not be - zero-terminated). You should supply a big enough - 'returnValueSize'. If the method is NULL, returnValue is set to a - string of zeros. */ -objc_EXPORT void method_getReturnType (Method method, char *returnValue, - size_t returnValueSize); - -/* Return the string encoding for the argument type of method - 'method', argument number 'argumentNumber' ('argumentNumber' is 0 - for self, 1 for _cmd, and 2 or more for the additional arguments if - any). The string is returned by copying it into the supplied - 'returnValue' string, which is of size 'returnValueSize'. No more - than 'returnValueSize' characters are copied; if the encoding is - smaller than 'returnValueSize', the rest of 'returnValue' is filled - with zeros. If it is bigger, it is truncated (and would not be - zero-terminated). You should supply a big enough - 'returnValueSize'. If the method is NULL, returnValue is set to a - string of zeros. */ -objc_EXPORT void method_getArgumentType (Method method, unsigned int argumentNumber, - char *returnValue, size_t returnValueSize); - - -/** Implementation: the following functions are in protocols.c. */ - -/* Return the protocol with name 'name', or nil if it the protocol is - not known to the runtime. */ -objc_EXPORT Protocol *objc_getProtocol (const char *name); - -/* Return all the protocols known to the runtime. The return value of - the function is a pointer to an area, allocated with malloc(), that - contains all the protocols known to the runtime; the list is - terminated by NULL. You should free this area using free() once - you no longer need it. Optionally, if you pass a non-NULL - 'numberOfReturnedProtocols' pointer, the unsigned int that it - points to will be filled with the number of protocols returned. If - there are no protocols known to the runtime, NULL is returned. */ -objc_EXPORT Protocol **objc_copyProtocolList (unsigned int *numberOfReturnedProtocols); - -/* Add a protocol to a class, and return YES if it was done - succesfully, and NO if not. At the moment, NO should only happen - if class_ or protocol are nil, if the protocol is not a Protocol - object or if the class already conforms to the protocol. */ -objc_EXPORT BOOL class_addProtocol (Class class_, Protocol *protocol); - -/* Return YES if the class 'class_' conforms to Protocol 'protocol', - and NO if not. This function does not check superclasses; if you - want to check for superclasses (in the way that [NSObject - +conformsToProtocol:] does) you need to iterate over the class - hierarchy using class_getSuperclass(), and call - class_conformsToProtocol() for each of them. */ -objc_EXPORT BOOL class_conformsToProtocol (Class class_, Protocol *protocol); - -/* Return all the protocols that the class conforms to. The return - value of the function is a pointer to an area, allocated with - malloc(), that contains all the protocols formally adopted by the - class. It does not include protocols adopted by superclasses. The - list is terminated by NULL. Optionally, if you pass a non-NULL - 'numberOfReturnedProtocols' pointer, the unsigned int that it - points to will be filled with the number of protocols returned. - This function does not return protocols that superclasses conform - to. */ -objc_EXPORT Protocol **class_copyProtocolList (Class class_, unsigned int *numberOfReturnedProtocols); - -/* Return YES if protocol 'protocol' conforms to protocol - 'anotherProtocol', and NO if not. Note that if one of the two - protocols is nil, it returns NO. */ -objc_EXPORT BOOL protocol_conformsToProtocol (Protocol *protocol, Protocol *anotherProtocol); - -/* Return YES if protocol 'protocol' is the same as protocol - 'anotherProtocol', and 'NO' if not. Note that it returns YES if - the two protocols are both nil. */ -objc_EXPORT BOOL protocol_isEqual (Protocol *protocol, Protocol *anotherProtocol); - -/* Return the name of protocol 'protocol'. If 'protocol' is nil or is - not a Protocol, return NULL. */ -objc_EXPORT const char *protocol_getName (Protocol *protocol); - -/* Return the method description for the method with selector - 'selector' in protocol 'protocol'; if 'requiredMethod' is YES, the - function searches the list of required methods; if NO, the list of - optional methods. If 'instanceMethod' is YES, the function search - for an instance method; if NO, for a class method. If there is no - matching method, an objc_method_description structure with both - name and types set to NULL is returned. This function will only - find methods that are directly declared in the protocol itself, not - in other protocols that this protocol adopts. - - Note that the traditional ABI does not store the list of optional - methods of a protocol in a compiled module, so the traditional ABI - will always return (NULL, NULL) when requiredMethod == NO. */ -objc_EXPORT struct objc_method_description protocol_getMethodDescription (Protocol *protocol, - SEL selector, - BOOL requiredMethod, - BOOL instanceMethod); - -/* Return the method descriptions of all the methods of the protocol. - The return value of the function is a pointer to an area, allocated - with malloc(), that contains all the method descriptions of the - methods of the protocol. It does not recursively include methods - of the protocols adopted by this protocol. The list is terminated - by a NULL objc_method_description (one with both fields set to - NULL). Optionally, if you pass a non-NULL - 'numberOfReturnedMethods' pointer, the unsigned int that it points - to will be filled with the number of properties returned. - - Note that the traditional ABI does not store the list of optional - methods of a protocol in a compiled module, so the traditional ABI - will always return an empty list if requiredMethod is set to - NO. */ -objc_EXPORT struct objc_method_description *protocol_copyMethodDescriptionList (Protocol *protocol, - BOOL requiredMethod, - BOOL instanceMethod, - unsigned int *numberOfReturnedMethods); - -/* Return the property with name 'propertyName' of the protocol - 'protocol'. If 'requiredProperty' is YES, the function searches - the list of required properties; if NO, the list of optional - properties. If 'instanceProperty' is YES, the function searches - the list of instance properties; if NO, the list of class - properties. At the moment, optional properties and class - properties are not part of the Objective-C language, so both - 'requiredProperty' and 'instanceProperty' should be set to YES. - This function returns NULL if the required property can not be - found. - - Note that the traditional ABI does not store the list of properties - of a protocol in a compiled module, so the traditional ABI will - always return NULL. */ -objc_EXPORT Property protocol_getProperty (Protocol *protocol, const char *propertyName, - BOOL requiredProperty, BOOL instanceProperty); - -/* Return all the properties of the protocol. The return value of the - function is a pointer to an area, allocated with malloc(), that - contains all the properties of the protocol. It does not - recursively include properties of the protocols adopted by this - protocol. The list is terminated by NULL. Optionally, if you pass - a non-NULL 'numberOfReturnedProperties' pointer, the unsigned int - that it points to will be filled with the number of properties - returned. - - Note that the traditional ABI does not store the list of properties - of a protocol in a compiled module, so the traditional ABI will - always return NULL and store 0 in numberOfReturnedProperties. */ -objc_EXPORT Property *protocol_copyPropertyList (Protocol *protocol, unsigned int *numberOfReturnedProperties); - -/* Return all the protocols that the protocol conforms to. The return - value of the function is a pointer to an area, allocated with - malloc(), that contains all the protocols formally adopted by the - protocol. It does not recursively include protocols adopted by the - protocols adopted by this protocol. The list is terminated by - NULL. Optionally, if you pass a non-NULL - 'numberOfReturnedProtocols' pointer, the unsigned int that it - points to will be filled with the number of protocols returned. */ -objc_EXPORT Protocol **protocol_copyProtocolList (Protocol *protocol, unsigned int *numberOfReturnedProtocols); - - -/** Implementation: the following hook is in init.c. */ - -/* This is a hook which is called by __objc_exec_class every time a - class or a category is loaded into the runtime. This may e.g. help - a dynamic loader determine the classes that have been loaded when - an object file is dynamically linked in. */ -objc_EXPORT void (*_objc_load_callback)(Class _class, struct objc_category *category); - - -/** Implementation: the following functions are in objc-foreach.c. */ - -/* 'objc_enumerationMutation()' is called when a collection is - mutated while being "fast enumerated". That is a hard error, and - objc_enumerationMutation is called to deal with it. 'collection' - is the collection object that was mutated during an enumeration. - - objc_enumerationMutation() will invoke the mutation handler if any - is set. Then, it will abort the program. - - Compatibility note: the Apple runtime will not abort the program - after calling the mutation handler. */ -objc_EXPORT void objc_enumerationMutation (id collection); - -/* 'objc_set_enumeration_mutation_handler' can be used to set a - function that will be called (instead of aborting) when a fast - enumeration is mutated during enumeration. The handler will be - called with the 'collection' being mutated as the only argument and - it should not return; it should either exit the program, or could - throw an exception. The recommended implementation is to throw an - exception - the user can then use exception handlers to deal with - it. - - This function is not thread safe (other threads may be trying to - invoke the enumeration mutation handler while you are changing it!) - and should be called during during the program initialization - before threads are started. It is mostly reserved for "Foundation" - libraries; in the case of GNUstep, GNUstep Base may be using this - function to improve the standard enumeration mutation handling. - You probably shouldn't use this function unless you are writing - your own Foundation library. */ -objc_EXPORT void objc_setEnumerationMutationHandler (void (*handler)(id)); - -/* This structure (used during fast enumeration) is automatically - defined by the compiler (it is as if this definition was always - included in all Objective-C files). Note that it is usually - defined again with the name of NSFastEnumeration by "Foundation" - libraries such as GNUstep Base. And if NSFastEnumeration is - defined, the compiler will use it instead of - __objcFastEnumerationState when doing fast enumeration. */ -/* -struct __objcFastEnumerationState -{ - unsigned long state; - id *itemsPtr; - unsigned long *mutationsPtr; - unsigned long extra[5]; -}; -*/ - - -/* Compatibility Note: The Apple/NeXT runtime has the functions - objc_copyImageNames (), class_getImageName () and - objc_copyClassNamesForImage () but they are undocumented. The GNU - runtime does not have them at the moment. */ - -/* Compatibility Note: The Apple/NeXT runtime has the functions - objc_setAssociatedObject (), objc_getAssociatedObject (), - objc_removeAssociatedObjects () and the objc_AssociationPolicy type - and related enum. The GNU runtime does not have them yet. - TODO: Implement them. */ - -/* Compatibility Note: The Apple/NeXT runtime has the function - objc_setForwardHandler (). The GNU runtime does not have it - because messaging (and, in particular, forwarding) works in a - different (incompatible) way with the GNU runtime. If you need to - customize message forwarding at the Objective-C runtime level (that - is, if you are implementing your own "Foundation" library such as - GNUstep Base on top of the Objective-C runtime), in objc/message.h - there are hooks (that work in the framework of the GNU runtime) to - do so. */ - - -/** Implementation: the following functions are in memory.c. */ - -/* Traditional GNU Objective-C Runtime functions that are used for - memory allocation and disposal. These functions are used in the - same way as you use malloc, realloc, calloc and free and make sure - that memory allocation works properly with the garbage - collector. - - Compatibility Note: these functions are not available with the - Apple/NeXT runtime. */ - -objc_EXPORT void *objc_malloc(size_t size); - -/* FIXME: Shouldn't the following be called objc_malloc_atomic ? The - GC function is GC_malloc_atomic() which makes sense. - */ -objc_EXPORT void *objc_atomic_malloc(size_t size); - -objc_EXPORT void *objc_realloc(void *mem, size_t size); - -objc_EXPORT void *objc_calloc(size_t nelem, size_t size); - -objc_EXPORT void objc_free(void *mem); - - -/** Implementation: the following functions are in gc.c. */ - -/* The GNU Objective-C Runtime has a different implementation of - garbage collection. - - Compatibility Note: these functions are not available with the - Apple/NeXT runtime. */ - -/* Mark the instance variable as inaccessible to the garbage - collector. */ -objc_EXPORT void class_ivar_set_gcinvisible (Class _class, - const char* ivarname, - BOOL gcInvisible); - - -/** Implementation: the following functions are in encoding.c. */ - -/* Traditional GNU Objective-C Runtime functions that are currently - used to implement method forwarding. - - Compatibility Note: these functions are not available with the - Apple/NeXT runtime. */ - -/* Return the size of a variable which has the specified 'type' - encoding. */ -objc_EXPORT int objc_sizeof_type (const char *type); - -/* Return the align of a variable which has the specified 'type' - encoding. */ -objc_EXPORT int objc_alignof_type (const char *type); - -/* Return the aligned size of a variable which has the specified - 'type' encoding. The aligned size is the size rounded up to the - nearest alignment. */ -objc_EXPORT int objc_aligned_size (const char *type); - -/* Return the promoted size of a variable which has the specified - 'type' encoding. This is the size rounded up to the nearest - integral of the wordsize, taken to be the size of a void *. */ -objc_EXPORT int objc_promoted_size (const char *type); - - -/* The following functions are used when parsing the type encoding of - methods, to skip over parts that are ignored. They take as - argument a pointer to a location inside the type encoding of a - method (which is a string) and return a new pointer, pointing to a - new location inside the string after having skipped the unwanted - information. */ - -/* Skip some type qualifiers (_C_CONST, _C_IN, etc). These may - eventually precede typespecs occurring in method prototype - encodings. */ -objc_EXPORT const char *objc_skip_type_qualifiers (const char *type); - -/* Skip one typespec element (_C_CLASS, _C_SEL, etc). If the typespec - is prepended by type qualifiers, these are skipped as well. */ -objc_EXPORT const char *objc_skip_typespec (const char *type); - -/* Skip an offset. */ -objc_EXPORT const char *objc_skip_offset (const char *type); - -/* Skip an argument specification (ie, skipping a typespec, which may - include qualifiers, and an offset too). */ -objc_EXPORT const char *objc_skip_argspec (const char *type); - -/* Read type qualifiers (_C_CONST, _C_IN, etc) from string 'type' - (stopping at the first non-type qualifier found) and return an - unsigned int which is the logical OR of all the corresponding flags - (_F_CONST, _F_IN etc). */ -objc_EXPORT unsigned objc_get_type_qualifiers (const char *type); - - -/* Note that the following functions work for very simple structures, - but get easily confused by more complicated ones (for example, - containing vectors). A better solution is required. These - functions are likely to change in the next GCC release. */ - -/* The following three functions can be used to determine how a - structure is laid out by the compiler. For example: - - struct objc_struct_layout layout; - int i; - - objc_layout_structure (type, &layout); - while (objc_layout_structure_next_member (&layout)) - { - int position, align; - const char *type; - - objc_layout_structure_get_info (&layout, &position, &align, &type); - printf ("element %d has offset %d, alignment %d\n", - i++, position, align); - } - - These functions are used by objc_sizeof_type and objc_alignof_type - functions to compute the size and alignment of structures. The - previous method of computing the size and alignment of a structure - was not working on some architectures, particulary on AIX, and in - the presence of bitfields inside the structure. */ -struct objc_struct_layout -{ - const char *original_type; - const char *type; - const char *prev_type; - unsigned int record_size; - unsigned int record_align; -}; - -objc_EXPORT void objc_layout_structure (const char *type, - struct objc_struct_layout *layout); -objc_EXPORT BOOL objc_layout_structure_next_member (struct objc_struct_layout *layout); -objc_EXPORT void objc_layout_finish_structure (struct objc_struct_layout *layout, - unsigned int *size, - unsigned int *align); -objc_EXPORT void objc_layout_structure_get_info (struct objc_struct_layout *layout, - unsigned int *offset, - unsigned int *align, - const char **type); - -#ifdef __cplusplus -} -#endif /* __cplusplus */ - -#endif diff --git a/gcc-4.7/libobjc/objc/thr.h b/gcc-4.7/libobjc/objc/thr.h deleted file mode 100644 index d5ddf9b2f..000000000 --- a/gcc-4.7/libobjc/objc/thr.h +++ /dev/null @@ -1,117 +0,0 @@ -/* Thread and mutex controls for Objective C. - Copyright (C) 1996, 1997, 2002, 2004, 2009, 2010 - Free Software Foundation, Inc. - Contributed by Galen C. Hunt (gchunt@cs.rochester.edu) - -This file is part of GCC. - -GCC is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 3, or (at your option) -any later version. - -GCC is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -Under Section 7 of GPL version 3, you are granted additional -permissions described in the GCC Runtime Library Exception, version -3.1, as published by the Free Software Foundation. - -You should have received a copy of the GNU General Public License and -a copy of the GCC Runtime Library Exception along with this program; -see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -. */ - -#ifndef __thread_INCLUDE_GNU -#define __thread_INCLUDE_GNU - -#include "objc.h" - -#ifdef __cplusplus -extern "C" { -#endif /* __cplusplus */ - -/************************************************************************* - * Universal static variables: - */ -extern int __objc_thread_exit_status; /* Global exit status. */ - -/******** - * Thread safe implementation types and functions. - */ - -/* Thread priorities */ -#define OBJC_THREAD_INTERACTIVE_PRIORITY 2 -#define OBJC_THREAD_BACKGROUND_PRIORITY 1 -#define OBJC_THREAD_LOW_PRIORITY 0 - -/* A thread */ -typedef void * objc_thread_t; - -/* This structure represents a single mutual exclusion lock. */ -struct objc_mutex -{ - volatile objc_thread_t owner; /* Id of thread that owns. */ - volatile int depth; /* # of acquires. */ - void * backend; /* Specific to backend */ -}; -typedef struct objc_mutex *objc_mutex_t; - -/* This structure represents a single condition mutex */ -struct objc_condition -{ - void * backend; /* Specific to backend */ -}; -typedef struct objc_condition *objc_condition_t; - -/* Frontend mutex functions */ -objc_mutex_t objc_mutex_allocate (void); -int objc_mutex_deallocate (objc_mutex_t mutex); -int objc_mutex_lock (objc_mutex_t mutex); -int objc_mutex_unlock (objc_mutex_t mutex); -int objc_mutex_trylock (objc_mutex_t mutex); - -/* Frontend condition mutex functions */ -objc_condition_t objc_condition_allocate (void); -int objc_condition_deallocate (objc_condition_t condition); -int objc_condition_wait (objc_condition_t condition, objc_mutex_t mutex); -int objc_condition_signal (objc_condition_t condition); -int objc_condition_broadcast (objc_condition_t condition); - -/* Frontend thread functions */ -objc_thread_t objc_thread_detach (SEL selector, id object, id argument); -void objc_thread_yield (void); -int objc_thread_exit (void); -int objc_thread_set_priority (int priority); -int objc_thread_get_priority (void); -void * objc_thread_get_data (void); -int objc_thread_set_data (void *value); -objc_thread_t objc_thread_id (void); -void objc_thread_add (void); -void objc_thread_remove (void); - -/* - Use this to set the hook function that will be called when the - runtime initially becomes multi threaded. - The hook function is only called once, meaning only when the - 2nd thread is spawned, not for each and every thread. - - It returns the previous hook function or NULL if there is none. - - A program outside of the runtime could set this to some function so - it can be informed; for example, the GNUstep Base Library sets it - so it can implement the NSBecomingMultiThreaded notification. - */ -typedef void (*objc_thread_callback) (void); -objc_thread_callback objc_set_thread_callback (objc_thread_callback func); - -/* Backend initialization functions */ -int __objc_init_thread_system (void); - -#ifdef __cplusplus -} -#endif /* __cplusplus */ - -#endif /* not __thread_INCLUDE_GNU */ diff --git a/gcc-4.7/libobjc/objects.c b/gcc-4.7/libobjc/objects.c deleted file mode 100644 index fe1106283..000000000 --- a/gcc-4.7/libobjc/objects.c +++ /dev/null @@ -1,118 +0,0 @@ -/* GNU Objective C Runtime class related functions - Copyright (C) 1993, 1995, 1996, 2009, 2010 Free Software Foundation, Inc. - Contributed by Kresten Krab Thorup - -This file is part of GCC. - -GCC is free software; you can redistribute it and/or modify it under the -terms of the GNU General Public License as published by the Free Software -Foundation; either version 3, or (at your option) any later version. - -GCC is distributed in the hope that it will be useful, but WITHOUT ANY -WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more -details. - -Under Section 7 of GPL version 3, you are granted additional -permissions described in the GCC Runtime Library Exception, version -3.1, as published by the Free Software Foundation. - -You should have received a copy of the GNU General Public License and -a copy of the GCC Runtime Library Exception along with this program; -see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -. */ - -#include "objc-private/common.h" -#include "objc/runtime.h" -#include "objc/thr.h" /* Required by objc-private/runtime.h. */ -#include "objc-private/module-abi-8.h" /* For CLS_ISCLASS and similar. */ -#include "objc-private/runtime.h" /* the kitchen sink */ - -#include /* For memcpy() */ - -#if OBJC_WITH_GC -# include -# include -#endif - -/* FIXME: The semantics of extraBytes are not really clear. */ -inline -id -class_createInstance (Class class, size_t extraBytes) -{ - id new = nil; - -#if OBJC_WITH_GC - if (CLS_ISCLASS (class)) - new = (id) GC_malloc_explicitly_typed (class->instance_size + extraBytes, - (GC_descr)class->gc_object_type); -#else - if (CLS_ISCLASS (class)) - new = (id) objc_calloc (class->instance_size + extraBytes, 1); -#endif - - if (new != nil) - { - /* There is no need to zero the memory, since both - GC_malloc_explicitly_typed and objc_calloc return zeroed - memory. */ - new->class_pointer = class; - } - - /* TODO: Invoke C++ constructors on all appropriate C++ instance - variables of the new object. */ - - return new; -} - -/* Traditional GNU Objective-C Runtime API. */ -id -object_copy (id object, size_t extraBytes) -{ - if ((object != nil) && CLS_ISCLASS (object->class_pointer)) - { - /* TODO: How should it work with C++ constructors ? */ - id copy = class_createInstance (object->class_pointer, extraBytes); - memcpy (copy, object, object->class_pointer->instance_size + extraBytes); - return copy; - } - else - return nil; -} - -id -object_dispose (id object) -{ - if ((object != nil) && CLS_ISCLASS (object->class_pointer)) - { - /* TODO: Invoke C++ destructors on all appropriate C++ instance - variables. But what happens with the garbage collector ? - Would object_dispose() be ever called in that case ? */ - - objc_free (object); - } - return nil; -} - -const char * -object_getClassName (id object) -{ - if (object != nil) - return object->class_pointer->name; - else - return "Nil"; -} - -Class -object_setClass (id object, Class class_) -{ - if (object == nil) - return Nil; - else - { - Class old_class = object->class_pointer; - - object->class_pointer = class_; - return old_class; - } -} diff --git a/gcc-4.7/libobjc/protocols.c b/gcc-4.7/libobjc/protocols.c deleted file mode 100644 index a02f2cd99..000000000 --- a/gcc-4.7/libobjc/protocols.c +++ /dev/null @@ -1,557 +0,0 @@ -/* GNU Objective C Runtime protocol related functions. - Copyright (C) 2010 Free Software Foundation, Inc. - Contributed by Nicola Pero - -This file is part of GCC. - -GCC is free software; you can redistribute it and/or modify it under the -terms of the GNU General Public License as published by the Free Software -Foundation; either version 3, or (at your option) any later version. - -GCC is distributed in the hope that it will be useful, but WITHOUT ANY -WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more -details. - -Under Section 7 of GPL version 3, you are granted additional -permissions described in the GCC Runtime Library Exception, version -3.1, as published by the Free Software Foundation. - -You should have received a copy of the GNU General Public License and -a copy of the GCC Runtime Library Exception along with this program; -see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -. */ - -#include "objc-private/common.h" -#include "objc/runtime.h" -#include "objc-private/module-abi-8.h" /* For runtime structures */ -#include "objc/thr.h" -#include "objc-private/runtime.h" /* the kitchen sink */ -#include "objc-private/hash.h" /* For the hash table of protocols. */ -#include "objc-private/protocols.h" /* For __objc_protocols_init() and - __objc_protocols_add_protocol(). */ -#include /* For malloc. */ - -/* This is a table that maps a name to a Protocol instance with that - name. Because there may be multiple Protocol instances with the - same name (no harm in that) the table records only one - instance. */ -static cache_ptr __protocols_hashtable; - -/* A mutex protecting the protocol_hashtable. */ -static objc_mutex_t __protocols_hashtable_lock = NULL; - -/* Called at startup by init.c. */ -void -__objc_protocols_init (void) -{ - __protocols_hashtable_lock = objc_mutex_allocate (); - - /* The keys in the table are strings, and the values are Protocol - objects. */ - __protocols_hashtable = objc_hash_new (64, (hash_func_type) objc_hash_string, - (compare_func_type) objc_compare_strings); -} - -/* Add a protocol to the hashtable. */ -void -__objc_protocols_add_protocol (const char *name, struct objc_protocol *object) -{ - objc_mutex_lock (__protocols_hashtable_lock); - - /* If we find a protocol with the same name already in the - hashtable, we do not need to add the new one, because it will be - identical to it. This in the reasonable assumption that two - protocols with the same name are identical, which is expected in - any sane program. If we are really paranoid, we would compare - the protocols and abort if they are not identical. - Unfortunately, this would slow down the startup of all - Objective-C programs while trying to catch a problem that has - never been seen in practice, so we don't do it. */ - if (! objc_hash_is_key_in_hash (__protocols_hashtable, name)) - objc_hash_add (&__protocols_hashtable, name, object); - - objc_mutex_unlock (__protocols_hashtable_lock); -} - -Protocol * -objc_getProtocol (const char *name) -{ - Protocol *protocol; - - if (name == NULL) - return NULL; - - objc_mutex_lock (__protocols_hashtable_lock); - protocol = (Protocol *)(objc_hash_value_for_key (__protocols_hashtable, name)); - objc_mutex_unlock (__protocols_hashtable_lock); - - return protocol; -} - -Protocol ** -objc_copyProtocolList (unsigned int *numberOfReturnedProtocols) -{ - unsigned int count = 0; - Protocol **returnValue = NULL; - node_ptr node; - - objc_mutex_lock (__protocols_hashtable_lock); - - /* Count how many protocols we have. */ - node = objc_hash_next (__protocols_hashtable, NULL); - while (node) - { - count++; - node = objc_hash_next (__protocols_hashtable, node); - } - - if (count != 0) - { - unsigned int i = 0; - - /* Allocate enough memory to hold them. */ - returnValue = (Protocol **)(malloc (sizeof (Protocol *) * (count + 1))); - - /* Copy the protocols. */ - node = objc_hash_next (__protocols_hashtable, NULL); - while (node) - { - returnValue[i] = node->value; - i++; - node = objc_hash_next (__protocols_hashtable, node); - } - - returnValue[i] = NULL; - } - objc_mutex_unlock (__protocols_hashtable_lock); - - if (numberOfReturnedProtocols) - *numberOfReturnedProtocols = count; - - return returnValue; -} - -BOOL -class_addProtocol (Class class_, Protocol *protocol) -{ - struct objc_protocol_list *protocols; - - if (class_ == Nil || protocol == NULL) - return NO; - - if (class_conformsToProtocol (class_, protocol)) - return NO; - - /* Check that it is a Protocol object before casting it to (struct - objc_protocol *). */ - if (protocol->class_pointer != objc_lookUpClass ("Protocol")) - return NO; - - objc_mutex_lock (__objc_runtime_mutex); - - /* Create the objc_protocol_list. */ - protocols = malloc (sizeof (struct objc_protocol_list)); - protocols->count = 1; - protocols->list[0] = (struct objc_protocol *)protocol; - - /* Attach it to the list of class protocols. */ - protocols->next = class_->protocols; - class_->protocols = protocols; - - objc_mutex_unlock (__objc_runtime_mutex); - - return YES; -} - -BOOL -class_conformsToProtocol (Class class_, Protocol *protocol) -{ - struct objc_protocol_list* proto_list; - - if (class_ == Nil || protocol == NULL) - return NO; - - /* Check that it is a Protocol object before casting it to (struct - objc_protocol *). */ - if (protocol->class_pointer != objc_lookUpClass ("Protocol")) - return NO; - - /* Acquire the runtime lock because the list of protocols for a - class may be modified concurrently, for example if another thread - calls class_addProtocol(), or dynamically loads from a file a - category of the class. */ - objc_mutex_lock (__objc_runtime_mutex); - proto_list = class_->protocols; - - while (proto_list) - { - size_t i; - for (i = 0; i < proto_list->count; i++) - { - if (proto_list->list[i] == (struct objc_protocol *)protocol - || protocol_conformsToProtocol ((Protocol *)proto_list->list[i], - protocol)) - { - objc_mutex_unlock (__objc_runtime_mutex); - return YES; - } - } - proto_list = proto_list->next; - } - - objc_mutex_unlock (__objc_runtime_mutex); - return NO; -} - -Protocol ** -class_copyProtocolList (Class class_, unsigned int *numberOfReturnedProtocols) -{ - unsigned int count = 0; - Protocol **returnValue = NULL; - struct objc_protocol_list* proto_list; - - if (class_ == Nil) - { - if (numberOfReturnedProtocols) - *numberOfReturnedProtocols = 0; - return NULL; - } - - /* Lock the runtime mutex because the class protocols may be - concurrently modified. */ - objc_mutex_lock (__objc_runtime_mutex); - - /* Count how many protocols we have. */ - proto_list = class_->protocols; - - while (proto_list) - { - count = count + proto_list->count; - proto_list = proto_list->next; - } - - if (count != 0) - { - unsigned int i = 0; - - /* Allocate enough memory to hold them. */ - returnValue = (Protocol **)(malloc (sizeof (Protocol *) * (count + 1))); - - /* Copy the protocols. */ - proto_list = class_->protocols; - - while (proto_list) - { - size_t j; - for (j = 0; j < proto_list->count; j++) - { - returnValue[i] = (Protocol *)proto_list->list[j]; - i++; - } - proto_list = proto_list->next; - } - - returnValue[i] = NULL; - } - objc_mutex_unlock (__objc_runtime_mutex); - - if (numberOfReturnedProtocols) - *numberOfReturnedProtocols = count; - - return returnValue; -} - -BOOL -protocol_conformsToProtocol (Protocol *protocol, Protocol *anotherProtocol) -{ - struct objc_protocol_list* proto_list; - - if (protocol == NULL || anotherProtocol == NULL) - return NO; - - if (protocol == anotherProtocol) - return YES; - - /* Check that the objects are Protocol objects before casting them - to (struct objc_protocol *). */ - if (protocol->class_pointer != anotherProtocol->class_pointer) - return NO; - - if (protocol->class_pointer != objc_lookUpClass ("Protocol")) - return NO; - - if (strcmp (((struct objc_protocol *)protocol)->protocol_name, - ((struct objc_protocol *)anotherProtocol)->protocol_name) == 0) - return YES; - - /* We do not acquire any lock because protocols are currently - immutable. We can freely iterate over a protocol structure. */ - proto_list = ((struct objc_protocol *)protocol)->protocol_list; - while (proto_list) - { - size_t i; - - for (i = 0; i < proto_list->count; i++) - { - if (protocol_conformsToProtocol ((Protocol *)proto_list->list[i], anotherProtocol)) - return YES; - } - proto_list = proto_list->next; - } - - return NO; -} - -BOOL -protocol_isEqual (Protocol *protocol, Protocol *anotherProtocol) -{ - if (protocol == anotherProtocol) - return YES; - - if (protocol == NULL || anotherProtocol == NULL) - return NO; - - /* Check that the objects are Protocol objects before casting them - to (struct objc_protocol *). */ - if (protocol->class_pointer != anotherProtocol->class_pointer) - return NO; - - if (protocol->class_pointer != objc_lookUpClass ("Protocol")) - return NO; - - /* Equality between formal protocols is only formal (nothing to do - with actually checking the list of methods they have!). Two - formal Protocols are equal if and only if they have the same - name. - - Please note (for comparisons with other implementations) that - checking the names is equivalent to checking that Protocol A - conforms to Protocol B and Protocol B conforms to Protocol A, - because this happens iff they have the same name. If they have - different names, A conforms to B if and only if A includes B, but - the situation where A includes B and B includes A is a circular - dependency between Protocols which is forbidden by the compiler, - so A conforms to B and B conforms to A with A and B having - different names is an impossible case. */ - if (strcmp (((struct objc_protocol *)protocol)->protocol_name, - ((struct objc_protocol *)anotherProtocol)->protocol_name) == 0) - return YES; - - return NO; -} - -const char * -protocol_getName (Protocol *protocol) -{ - /* Check that it is a Protocol object before casting it to (struct - objc_protocol *). */ - if (protocol->class_pointer != objc_lookUpClass ("Protocol")) - return NULL; - - return ((struct objc_protocol *)protocol)->protocol_name; -} - -struct objc_method_description protocol_getMethodDescription (Protocol *protocol, - SEL selector, - BOOL requiredMethod, - BOOL instanceMethod) -{ - struct objc_method_description no_result = { NULL, NULL }; - struct objc_method_description_list *methods; - int i; - - /* TODO: New ABI. */ - /* The current ABI does not have any information on optional protocol methods. */ - if (! requiredMethod) - return no_result; - - /* Check that it is a Protocol object before casting it to (struct - objc_protocol *). */ - if (protocol->class_pointer != objc_lookUpClass ("Protocol")) - return no_result; - - if (instanceMethod) - methods = ((struct objc_protocol *)protocol)->instance_methods; - else - methods = ((struct objc_protocol *)protocol)->class_methods; - - if (methods) - { - for (i = 0; i < methods->count; i++) - { - if (sel_isEqual (methods->list[i].name, selector)) - return methods->list[i]; - /* - if (strcmp (sel_getName (methods->list[i].name), selector_name) == 0) - return methods->list[i]; - */ - } - } - - return no_result; -} - -struct objc_method_description *protocol_copyMethodDescriptionList (Protocol *protocol, - BOOL requiredMethod, - BOOL instanceMethod, - unsigned int *numberOfReturnedMethods) -{ - struct objc_method_description_list *methods; - unsigned int count = 0; - struct objc_method_description *returnValue = NULL; - - /* TODO: New ABI */ - /* The current ABI does not have any information on optional protocol methods. */ - if (! requiredMethod) - { - if (numberOfReturnedMethods) - *numberOfReturnedMethods = 0; - - return NULL; - } - - /* Check that it is a Protocol object before casting it to (struct - objc_protocol *). */ - if (protocol == NULL || protocol->class_pointer != objc_lookUpClass ("Protocol")) - { - if (numberOfReturnedMethods) - *numberOfReturnedMethods = 0; - - return NULL; - } - - /* We do not acquire any lock because protocols are currently - immutable. We can freely iterate over a protocol structure. */ - - if (instanceMethod) - methods = ((struct objc_protocol *)protocol)->instance_methods; - else - methods = ((struct objc_protocol *)protocol)->class_methods; - - if (methods) - { - unsigned int i; - count = methods->count; - - /* Allocate enough memory to hold them. */ - returnValue = (struct objc_method_description *)(malloc (sizeof (struct objc_method_description) * (count + 1))); - - /* Copy them. */ - for (i = 0; i < count; i++) - { - returnValue[i].name = methods->list[i].name; - returnValue[i].types = methods->list[i].types; - } - returnValue[i].name = NULL; - returnValue[i].types = NULL; - } - - if (numberOfReturnedMethods) - *numberOfReturnedMethods = count; - - return returnValue; -} - -Property protocol_getProperty (Protocol *protocol, const char *propertyName, - BOOL requiredProperty, BOOL instanceProperty) -{ - if (protocol == NULL || propertyName == NULL) - return NULL; - - if (!requiredProperty || !instanceProperty) - return NULL; - - /* Check that it is a Protocol object before casting it to (struct - objc_protocol *). */ - if (protocol->class_pointer != objc_lookUpClass ("Protocol")) - return NULL; - - /* TODO: New ABI. */ - /* The current ABI does not have any information on protocol properties. */ - return NULL; -} - -Property *protocol_copyPropertyList (Protocol *protocol, unsigned int *numberOfReturnedProperties) -{ - unsigned int count = 0; - Property *returnValue = NULL; - - /* Check that it is a Protocol object before casting it to (struct - objc_protocol *). */ - if (protocol == NULL || protocol->class_pointer != objc_lookUpClass ("Protocol")) - { - if (numberOfReturnedProperties) - *numberOfReturnedProperties = 0; - - return NULL; - } - - /* We do not acquire any lock because protocols are currently - immutable. We can freely iterate over a protocol structure. */ - - /* TODO: New ABI. */ - /* The current ABI does not have any information on protocol properties. */ - if (numberOfReturnedProperties) - *numberOfReturnedProperties = count; - - return returnValue; -} - -Protocol **protocol_copyProtocolList (Protocol *protocol, unsigned int *numberOfReturnedProtocols) -{ - unsigned int count = 0; - Protocol **returnValue = NULL; - struct objc_protocol_list* proto_list; - - /* Check that it is a Protocol object before casting it to (struct - objc_protocol *). */ - if (protocol == NULL || protocol->class_pointer != objc_lookUpClass ("Protocol")) - { - if (numberOfReturnedProtocols) - *numberOfReturnedProtocols = 0; - - return NULL; - } - - /* We do not acquire any lock because protocols are currently - immutable. We can freely iterate over a protocol structure. */ - - /* Count how many protocols we have. */ - proto_list = ((struct objc_protocol *)protocol)->protocol_list; - - while (proto_list) - { - count = count + proto_list->count; - proto_list = proto_list->next; - } - - if (count != 0) - { - unsigned int i = 0; - - /* Allocate enough memory to hold them. */ - returnValue = (Protocol **)(malloc (sizeof (Protocol *) * (count + 1))); - - /* Copy the protocols. */ - proto_list = ((struct objc_protocol *)protocol)->protocol_list; - - while (proto_list) - { - size_t j; - for (j = 0; j < proto_list->count; j++) - { - returnValue[i] = (Protocol *)proto_list->list[j]; - i++; - } - proto_list = proto_list->next; - } - - returnValue[i] = NULL; - } - - if (numberOfReturnedProtocols) - *numberOfReturnedProtocols = count; - - return returnValue; -} diff --git a/gcc-4.7/libobjc/sarray.c b/gcc-4.7/libobjc/sarray.c deleted file mode 100644 index f58c416a2..000000000 --- a/gcc-4.7/libobjc/sarray.c +++ /dev/null @@ -1,524 +0,0 @@ -/* Sparse Arrays for Objective C dispatch tables - Copyright (C) 1993, 1995, 1996, 2002, 2004, 2009, 2010 - Free Software Foundation, Inc. - -This file is part of GCC. - -GCC is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 3, or (at your option) -any later version. - -GCC is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -Under Section 7 of GPL version 3, you are granted additional -permissions described in the GCC Runtime Library Exception, version -3.1, as published by the Free Software Foundation. - -You should have received a copy of the GNU General Public License and -a copy of the GCC Runtime Library Exception along with this program; -see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -. */ - -#include "objc-private/common.h" -#include "objc-private/sarray.h" -#include "objc/runtime.h" /* For objc_malloc */ -#include "objc/thr.h" /* For objc_mutex_lock */ -#include "objc-private/module-abi-8.h" -#include "objc-private/runtime.h" -#include -#include /* For memset */ -#include /* For assert */ - -int nbuckets = 0; /* !T:MUTEX */ -int nindices = 0; /* !T:MUTEX */ -int narrays = 0; /* !T:MUTEX */ -int idxsize = 0; /* !T:MUTEX */ - -static void *first_free_data = NULL; /* !T:MUTEX */ - -#ifdef OBJC_SPARSE2 -const char *__objc_sparse2_id = "2 level sparse indices"; -#endif - -#ifdef OBJC_SPARSE3 -const char *__objc_sparse3_id = "3 level sparse indices"; -#endif - -/* This function removes any structures left over from free operations - that were not safe in a multi-threaded environment. */ -void -sarray_remove_garbage (void) -{ - void **vp; - void *np; - - objc_mutex_lock (__objc_runtime_mutex); - - vp = first_free_data; - first_free_data = NULL; - - while (vp) - { - np = *vp; - objc_free (vp); - vp = np; - } - - objc_mutex_unlock (__objc_runtime_mutex); -} - -/* Free a block of dynamically allocated memory. If we are in - multi-threaded mode, it is ok to free it. If not, we add it to the - garbage heap to be freed later. */ -static void -sarray_free_garbage (void *vp) -{ - objc_mutex_lock (__objc_runtime_mutex); - - if (__objc_runtime_threads_alive == 1) - { - objc_free (vp); - if (first_free_data) - sarray_remove_garbage (); - } - else - { - *(void **)vp = first_free_data; - first_free_data = vp; - } - - objc_mutex_unlock (__objc_runtime_mutex); -} - -/* sarray_at_put copies data in such a way as to be thread reader - safe. */ -void -sarray_at_put (struct sarray *array, sidx index, void *element) -{ -#ifdef OBJC_SPARSE3 - struct sindex **the_index; - struct sindex *new_index; -#endif - struct sbucket **the_bucket; - struct sbucket *new_bucket; -#ifdef OBJC_SPARSE3 - size_t ioffset; -#endif - size_t boffset; - size_t eoffset; -#ifdef PRECOMPUTE_SELECTORS - union sofftype xx; - xx.idx = index; -#ifdef OBJC_SPARSE3 - ioffset = xx.off.ioffset; -#endif - boffset = xx.off.boffset; - eoffset = xx.off.eoffset; -#else /* not PRECOMPUTE_SELECTORS */ -#ifdef OBJC_SPARSE3 - ioffset = index/INDEX_CAPACITY; - boffset = (index/BUCKET_SIZE)%INDEX_SIZE; - eoffset = index%BUCKET_SIZE; -#else - boffset = index/BUCKET_SIZE; - eoffset = index%BUCKET_SIZE; -#endif -#endif /* not PRECOMPUTE_SELECTORS */ - - assert (soffset_decode (index) < array->capacity); /* Range check */ - -#ifdef OBJC_SPARSE3 - the_index = &(array->indices[ioffset]); - the_bucket = &((*the_index)->buckets[boffset]); -#else - the_bucket = &(array->buckets[boffset]); -#endif - - if ((*the_bucket)->elems[eoffset] == element) - return; /* Great! we just avoided a lazy copy. */ - -#ifdef OBJC_SPARSE3 - - /* First, perform lazy copy/allocation of index if needed. */ - - if ((*the_index) == array->empty_index) - { - /* The index was previously empty, allocate a new. */ - new_index = (struct sindex *) objc_malloc (sizeof (struct sindex)); - memcpy (new_index, array->empty_index, sizeof (struct sindex)); - new_index->version.version = array->version.version; - *the_index = new_index; /* Prepared for install. */ - the_bucket = &((*the_index)->buckets[boffset]); - - nindices += 1; - } - else if ((*the_index)->version.version != array->version.version) - { - /* This index must be lazy copied. */ - struct sindex *old_index = *the_index; - new_index = (struct sindex *) objc_malloc (sizeof (struct sindex)); - memcpy (new_index, old_index, sizeof (struct sindex)); - new_index->version.version = array->version.version; - *the_index = new_index; /* Prepared for install. */ - the_bucket = &((*the_index)->buckets[boffset]); - - nindices += 1; - } - -#endif /* OBJC_SPARSE3 */ - - /* Next, perform lazy allocation/copy of the bucket if needed. */ - if ((*the_bucket) == array->empty_bucket) - { - /* The bucket was previously empty (or something like that), - allocate a new. This is the effect of `lazy' allocation. */ - new_bucket = (struct sbucket *) objc_malloc (sizeof (struct sbucket)); - memcpy ((void *) new_bucket, (const void *) array->empty_bucket, - sizeof (struct sbucket)); - new_bucket->version.version = array->version.version; - *the_bucket = new_bucket; /* Prepared for install. */ - - nbuckets += 1; - - } - else if ((*the_bucket)->version.version != array->version.version) - { - /* Perform lazy copy. */ - struct sbucket *old_bucket = *the_bucket; - new_bucket = (struct sbucket *) objc_malloc (sizeof (struct sbucket)); - memcpy (new_bucket, old_bucket, sizeof (struct sbucket)); - new_bucket->version.version = array->version.version; - *the_bucket = new_bucket; /* Prepared for install. */ - - nbuckets += 1; - } - (*the_bucket)->elems[eoffset] = element; -} - -void -sarray_at_put_safe (struct sarray *array, sidx index, void *element) -{ - if (soffset_decode (index) >= array->capacity) - sarray_realloc (array, soffset_decode (index) + 1); - sarray_at_put (array, index, element); -} - -struct sarray * -sarray_new (int size, void *default_element) -{ - struct sarray *arr; -#ifdef OBJC_SPARSE3 - size_t num_indices = ((size - 1)/(INDEX_CAPACITY)) + 1; - struct sindex **new_indices; -#else /* OBJC_SPARSE2 */ - size_t num_indices = ((size - 1)/BUCKET_SIZE) + 1; - struct sbucket **new_buckets; -#endif - size_t counter; - - assert (size > 0); - - /* Allocate core array. */ - arr = (struct sarray *) objc_malloc (sizeof (struct sarray)); - arr->version.version = 0; - - /* Initialize members. */ -#ifdef OBJC_SPARSE3 - arr->capacity = num_indices*INDEX_CAPACITY; - new_indices = (struct sindex **) - objc_malloc (sizeof (struct sindex *) * num_indices); - - arr->empty_index = (struct sindex *) objc_malloc (sizeof (struct sindex)); - arr->empty_index->version.version = 0; - - narrays += 1; - idxsize += num_indices; - nindices += 1; - -#else /* OBJC_SPARSE2 */ - arr->capacity = num_indices*BUCKET_SIZE; - new_buckets = (struct sbucket **) - objc_malloc (sizeof (struct sbucket *) * num_indices); - - narrays += 1; - idxsize += num_indices; - -#endif - - arr->empty_bucket = (struct sbucket *) objc_malloc (sizeof (struct sbucket)); - arr->empty_bucket->version.version = 0; - - nbuckets += 1; - - arr->ref_count = 1; - arr->is_copy_of = (struct sarray *) 0; - - for (counter = 0; counter < BUCKET_SIZE; counter++) - arr->empty_bucket->elems[counter] = default_element; - -#ifdef OBJC_SPARSE3 - for (counter = 0; counter < INDEX_SIZE; counter++) - arr->empty_index->buckets[counter] = arr->empty_bucket; - - for (counter = 0; counter < num_indices; counter++) - new_indices[counter] = arr->empty_index; - -#else /* OBJC_SPARSE2 */ - - for (counter = 0; counter < num_indices; counter++) - new_buckets[counter] = arr->empty_bucket; - -#endif - -#ifdef OBJC_SPARSE3 - arr->indices = new_indices; -#else /* OBJC_SPARSE2 */ - arr->buckets = new_buckets; -#endif - - return arr; -} - - -/* Reallocate the sparse array to hold `newsize' entries Note: We - really allocate and then free. We have to do this to ensure that - any concurrent readers notice the update. */ -void -sarray_realloc (struct sarray *array, int newsize) -{ -#ifdef OBJC_SPARSE3 - size_t old_max_index = (array->capacity - 1)/INDEX_CAPACITY; - size_t new_max_index = ((newsize - 1)/INDEX_CAPACITY); - size_t rounded_size = (new_max_index + 1) * INDEX_CAPACITY; - - struct sindex **new_indices; - struct sindex **old_indices; - -#else /* OBJC_SPARSE2 */ - size_t old_max_index = (array->capacity - 1)/BUCKET_SIZE; - size_t new_max_index = ((newsize - 1)/BUCKET_SIZE); - size_t rounded_size = (new_max_index + 1) * BUCKET_SIZE; - - struct sbucket **new_buckets; - struct sbucket **old_buckets; - -#endif - - size_t counter; - - assert (newsize > 0); - - /* The size is the same, just ignore the request. */ - if (rounded_size <= array->capacity) - return; - - assert (array->ref_count == 1); /* stop if lazy copied... */ - - /* We are asked to extend the array -- allocate new bucket table, - and insert empty_bucket in newly allocated places. */ - if (rounded_size > array->capacity) - { -#ifdef OBJC_SPARSE3 - new_max_index += 4; - rounded_size = (new_max_index + 1) * INDEX_CAPACITY; -#else /* OBJC_SPARSE2 */ - new_max_index += 4; - rounded_size = (new_max_index + 1) * BUCKET_SIZE; -#endif - - /* Update capacity. */ - array->capacity = rounded_size; - -#ifdef OBJC_SPARSE3 - /* Alloc to force re-read by any concurrent readers. */ - old_indices = array->indices; - new_indices = (struct sindex **) - objc_malloc ((new_max_index + 1) * sizeof (struct sindex *)); -#else /* OBJC_SPARSE2 */ - old_buckets = array->buckets; - new_buckets = (struct sbucket **) - objc_malloc ((new_max_index + 1) * sizeof (struct sbucket *)); -#endif - - /* Copy buckets below old_max_index (they are still valid). */ - for (counter = 0; counter <= old_max_index; counter++ ) - { -#ifdef OBJC_SPARSE3 - new_indices[counter] = old_indices[counter]; -#else /* OBJC_SPARSE2 */ - new_buckets[counter] = old_buckets[counter]; -#endif - } - -#ifdef OBJC_SPARSE3 - /* Reset entries above old_max_index to empty_bucket. */ - for (counter = old_max_index + 1; counter <= new_max_index; counter++) - new_indices[counter] = array->empty_index; -#else /* OBJC_SPARSE2 */ - /* Reset entries above old_max_index to empty_bucket. */ - for (counter = old_max_index + 1; counter <= new_max_index; counter++) - new_buckets[counter] = array->empty_bucket; -#endif - -#ifdef OBJC_SPARSE3 - /* Install the new indices. */ - array->indices = new_indices; -#else /* OBJC_SPARSE2 */ - array->buckets = new_buckets; -#endif - -#ifdef OBJC_SPARSE3 - /* Free the old indices. */ - sarray_free_garbage (old_indices); -#else /* OBJC_SPARSE2 */ - sarray_free_garbage (old_buckets); -#endif - - idxsize += (new_max_index-old_max_index); - return; - } -} - - -/* Free a sparse array allocated with sarray_new */ -void -sarray_free (struct sarray *array) { -#ifdef OBJC_SPARSE3 - size_t old_max_index = (array->capacity - 1)/INDEX_CAPACITY; - struct sindex **old_indices; -#else - size_t old_max_index = (array->capacity - 1)/BUCKET_SIZE; - struct sbucket **old_buckets; -#endif - size_t counter = 0; - - assert (array->ref_count != 0); /* Freed multiple times!!! */ - - if (--(array->ref_count) != 0) /* There exists copies of me */ - return; - -#ifdef OBJC_SPARSE3 - old_indices = array->indices; -#else - old_buckets = array->buckets; -#endif - - /* Free all entries that do not point to empty_bucket. */ - for (counter = 0; counter <= old_max_index; counter++ ) - { -#ifdef OBJC_SPARSE3 - struct sindex *idx = old_indices[counter]; - if ((idx != array->empty_index) - && (idx->version.version == array->version.version)) - { - int c2; - for (c2 = 0; c2 < INDEX_SIZE; c2++) - { - struct sbucket *bkt = idx->buckets[c2]; - if ((bkt != array->empty_bucket) - && (bkt->version.version == array->version.version)) - { - sarray_free_garbage (bkt); - nbuckets -= 1; - } - } - sarray_free_garbage (idx); - nindices -= 1; - } -#else /* OBJC_SPARSE2 */ - struct sbucket *bkt = old_buckets[counter]; - if ((bkt != array->empty_bucket) - && (bkt->version.version == array->version.version)) - { - sarray_free_garbage (bkt); - nbuckets -= 1; - } -#endif - } - -#ifdef OBJC_SPARSE3 - /* Free empty_index. */ - if (array->empty_index->version.version == array->version.version) - { - sarray_free_garbage (array->empty_index); - nindices -= 1; - } -#endif - - /* Free empty_bucket. */ - if (array->empty_bucket->version.version == array->version.version) - { - sarray_free_garbage (array->empty_bucket); - nbuckets -= 1; - } - idxsize -= (old_max_index + 1); - narrays -= 1; - -#ifdef OBJC_SPARSE3 - /* Free bucket table. */ - sarray_free_garbage (array->indices); -#else - /* Free bucket table. */ - sarray_free_garbage (array->buckets); -#endif - - /* If this is a copy of another array, we free it (which might just - decrement its reference count so it will be freed when no longer - in use). */ - if (array->is_copy_of) - sarray_free (array->is_copy_of); - - /* Free array. */ - sarray_free_garbage (array); -} - -/* This is a lazy copy. Only the core of the structure is actually - copied. */ -struct sarray * -sarray_lazy_copy (struct sarray *oarr) -{ - struct sarray *arr; - -#ifdef OBJC_SPARSE3 - size_t num_indices = ((oarr->capacity - 1)/INDEX_CAPACITY) + 1; - struct sindex **new_indices; -#else /* OBJC_SPARSE2 */ - size_t num_indices = ((oarr->capacity - 1)/BUCKET_SIZE) + 1; - struct sbucket **new_buckets; -#endif - - /* Allocate core array. */ - arr = (struct sarray *) objc_malloc (sizeof (struct sarray)); /* !!! */ - arr->version.version = oarr->version.version + 1; -#ifdef OBJC_SPARSE3 - arr->empty_index = oarr->empty_index; -#endif - arr->empty_bucket = oarr->empty_bucket; - arr->ref_count = 1; - oarr->ref_count += 1; - arr->is_copy_of = oarr; - arr->capacity = oarr->capacity; - -#ifdef OBJC_SPARSE3 - /* Copy bucket table. */ - new_indices = (struct sindex **) - objc_malloc (sizeof (struct sindex *) * num_indices); - memcpy (new_indices, oarr->indices, sizeof (struct sindex *) * num_indices); - arr->indices = new_indices; -#else - /* Copy bucket table. */ - new_buckets = (struct sbucket **) - objc_malloc (sizeof (struct sbucket *) * num_indices); - memcpy (new_buckets, oarr->buckets, sizeof (struct sbucket *) * num_indices); - arr->buckets = new_buckets; -#endif - - idxsize += num_indices; - narrays += 1; - - return arr; -} diff --git a/gcc-4.7/libobjc/selector.c b/gcc-4.7/libobjc/selector.c deleted file mode 100644 index 55ca7064b..000000000 --- a/gcc-4.7/libobjc/selector.c +++ /dev/null @@ -1,641 +0,0 @@ -/* GNU Objective C Runtime selector related functions - Copyright (C) 1993, 1995, 1996, 1997, 2002, 2004, 2009, 2010 - Free Software Foundation, Inc. - Contributed by Kresten Krab Thorup - -This file is part of GCC. - -GCC is free software; you can redistribute it and/or modify it under the -terms of the GNU General Public License as published by the Free Software -Foundation; either version 3, or (at your option) any later version. - -GCC is distributed in the hope that it will be useful, but WITHOUT ANY -WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more -details. - -Under Section 7 of GPL version 3, you are granted additional -permissions described in the GCC Runtime Library Exception, version -3.1, as published by the Free Software Foundation. - -You should have received a copy of the GNU General Public License and -a copy of the GCC Runtime Library Exception along with this program; -see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -. */ - -#include "objc-private/common.h" -#include "objc/runtime.h" -#include "objc/thr.h" -#include "objc-private/hash.h" -#include "objc-private/objc-list.h" -#include "objc-private/module-abi-8.h" -#include "objc-private/runtime.h" -#include "objc-private/sarray.h" -#include "objc-private/selector.h" -#include /* For malloc. */ - -/* Initial selector hash table size. Value doesn't matter much. */ -#define SELECTOR_HASH_SIZE 128 - -/* Tables mapping selector names to uid and opposite. */ -static struct sarray *__objc_selector_array = 0; /* uid -> sel !T:MUTEX */ -static struct sarray *__objc_selector_names = 0; /* uid -> name !T:MUTEX */ -static cache_ptr __objc_selector_hash = 0; /* name -> uid !T:MUTEX */ - -/* Number of selectors stored in each of the above tables. */ -unsigned int __objc_selector_max_index = 0; /* !T:MUTEX */ - -/* Forward-declare an internal function. */ -static SEL -__sel_register_typed_name (const char *name, const char *types, - struct objc_selector *orig, BOOL is_const); - -void __objc_init_selector_tables (void) -{ - __objc_selector_array = sarray_new (SELECTOR_HASH_SIZE, 0); - __objc_selector_names = sarray_new (SELECTOR_HASH_SIZE, 0); - __objc_selector_hash - = objc_hash_new (SELECTOR_HASH_SIZE, - (hash_func_type) objc_hash_string, - (compare_func_type) objc_compare_strings); -} - -/* Register a bunch of selectors from the table of selectors in a - module. 'selectors' should not be NULL. The list is terminated by - a selectors with a NULL sel_id. The selectors are assumed to - contain the 'name' in the sel_id field; this is replaced with the - final selector id after they are registered. */ -void -__objc_register_selectors_from_module (struct objc_selector *selectors) -{ - int i; - - for (i = 0; selectors[i].sel_id; ++i) - { - const char *name, *type; - name = (char *) selectors[i].sel_id; - type = (char *) selectors[i].sel_types; - /* Constructors are constant static data and we can safely store - pointers to them in the runtime structures, so we set - is_const == YES. */ - __sel_register_typed_name (name, type, (struct objc_selector *) &(selectors[i]), - /* is_const */ YES); - } -} - -/* This routine is given a class and records all of the methods in its - class structure in the record table. */ -void -__objc_register_selectors_from_class (Class class) -{ - struct objc_method_list * method_list; - - method_list = class->methods; - while (method_list) - { - __objc_register_selectors_from_list (method_list); - method_list = method_list->method_next; - } -} - - -/* This routine is given a list of methods and records each of the - methods in the record table. This is the routine that does the - actual recording work. - - The name and type pointers in the method list must be permanent and - immutable. */ -void -__objc_register_selectors_from_list (struct objc_method_list *method_list) -{ - int i = 0; - - objc_mutex_lock (__objc_runtime_mutex); - while (i < method_list->method_count) - { - Method method = &method_list->method_list[i]; - if (method->method_name) - { - method->method_name - = __sel_register_typed_name ((const char *) method->method_name, - method->method_types, 0, YES); - } - i += 1; - } - objc_mutex_unlock (__objc_runtime_mutex); -} - -/* The same as __objc_register_selectors_from_list, but works on a - struct objc_method_description_list* instead of a struct - objc_method_list*. This is only used for protocols, which have - lists of method descriptions, not methods. */ -void -__objc_register_selectors_from_description_list -(struct objc_method_description_list *method_list) -{ - int i = 0; - - objc_mutex_lock (__objc_runtime_mutex); - while (i < method_list->count) - { - struct objc_method_description *method = &method_list->list[i]; - if (method->name) - { - method->name - = __sel_register_typed_name ((const char *) method->name, - method->types, 0, YES); - } - i += 1; - } - objc_mutex_unlock (__objc_runtime_mutex); -} - -/* Register instance methods as class methods for root classes. */ -void __objc_register_instance_methods_to_class (Class class) -{ - struct objc_method_list *method_list; - struct objc_method_list *class_method_list; - int max_methods_no = 16; - struct objc_method_list *new_list; - Method curr_method; - - /* Only if a root class. */ - if (class->super_class) - return; - - /* Allocate a method list to hold the new class methods. */ - new_list = objc_calloc (sizeof (struct objc_method_list) - + sizeof (struct objc_method[max_methods_no]), 1); - method_list = class->methods; - class_method_list = class->class_pointer->methods; - curr_method = &new_list->method_list[0]; - - /* Iterate through the method lists for the class. */ - while (method_list) - { - int i; - - /* Iterate through the methods from this method list. */ - for (i = 0; i < method_list->method_count; i++) - { - Method mth = &method_list->method_list[i]; - if (mth->method_name - && ! search_for_method_in_list (class_method_list, - mth->method_name)) - { - /* This instance method isn't a class method. Add it - into the new_list. */ - *curr_method = *mth; - - /* Reallocate the method list if necessary. */ - if (++new_list->method_count == max_methods_no) - new_list = - objc_realloc (new_list, sizeof (struct objc_method_list) - + sizeof (struct - objc_method[max_methods_no += 16])); - curr_method = &new_list->method_list[new_list->method_count]; - } - } - - method_list = method_list->method_next; - } - - /* If we created any new class methods then attach the method list - to the class. */ - if (new_list->method_count) - { - new_list = - objc_realloc (new_list, sizeof (struct objc_method_list) - + sizeof (struct objc_method[new_list->method_count])); - new_list->method_next = class->class_pointer->methods; - class->class_pointer->methods = new_list; - } - else - objc_free(new_list); - - __objc_update_dispatch_table_for_class (class->class_pointer); -} - -BOOL -sel_isEqual (SEL s1, SEL s2) -{ - if (s1 == 0 || s2 == 0) - return s1 == s2; - else - return s1->sel_id == s2->sel_id; -} - -/* Return YES iff t1 and t2 have same method types. Ignore the - argframe layout. */ -static BOOL -sel_types_match (const char *t1, const char *t2) -{ - if (! t1 || ! t2) - return NO; - while (*t1 && *t2) - { - if (*t1 == '+') t1++; - if (*t2 == '+') t2++; - while (isdigit ((unsigned char) *t1)) t1++; - while (isdigit ((unsigned char) *t2)) t2++; - /* xxx Remove these next two lines when qualifiers are put in - all selectors, not just Protocol selectors. */ - t1 = objc_skip_type_qualifiers (t1); - t2 = objc_skip_type_qualifiers (t2); - if (! *t1 && ! *t2) - return YES; - if (*t1 != *t2) - return NO; - t1++; - t2++; - } - return NO; -} - -/* Return selector representing name. */ -SEL -sel_get_any_uid (const char *name) -{ - struct objc_list *l; - sidx i; - - objc_mutex_lock (__objc_runtime_mutex); - - i = (sidx) objc_hash_value_for_key (__objc_selector_hash, name); - if (soffset_decode (i) == 0) - { - objc_mutex_unlock (__objc_runtime_mutex); - return 0; - } - - l = (struct objc_list *) sarray_get_safe (__objc_selector_array, i); - objc_mutex_unlock (__objc_runtime_mutex); - - if (l == 0) - return 0; - - return (SEL) l->head; -} - -SEL -sel_getTypedSelector (const char *name) -{ - sidx i; - - if (name == NULL) - return NULL; - - objc_mutex_lock (__objc_runtime_mutex); - - /* Look for a typed selector. */ - i = (sidx) objc_hash_value_for_key (__objc_selector_hash, name); - if (i != 0) - { - struct objc_list *l; - SEL returnValue = NULL; - - for (l = (struct objc_list *) sarray_get_safe (__objc_selector_array, i); - l; l = l->tail) - { - SEL s = (SEL) l->head; - if (s->sel_types) - { - if (returnValue == NULL) - { - /* First typed selector that we find. Keep it in - returnValue, but keep checking as we want to - detect conflicts. */ - returnValue = s; - } - else - { - /* We had already found a typed selectors, so we - have multiple ones. Double-check that they have - different types, just in case for some reason we - got duplicates with the same types. If so, it's - OK, we'll ignore the duplicate. */ - if (returnValue->sel_types == s->sel_types) - continue; - else if (sel_types_match (returnValue->sel_types, s->sel_types)) - continue; - else - { - /* The types of the two selectors are different; - it's a conflict. Too bad. Return NULL. */ - objc_mutex_unlock (__objc_runtime_mutex); - return NULL; - } - } - } - } - - if (returnValue != NULL) - { - objc_mutex_unlock (__objc_runtime_mutex); - return returnValue; - } - } - - /* No typed selector found. Return NULL. */ - objc_mutex_unlock (__objc_runtime_mutex); - return 0; -} - -SEL * -sel_copyTypedSelectorList (const char *name, unsigned int *numberOfReturnedSelectors) -{ - unsigned int count = 0; - SEL *returnValue = NULL; - sidx i; - - if (name == NULL) - { - if (numberOfReturnedSelectors) - *numberOfReturnedSelectors = 0; - return NULL; - } - - objc_mutex_lock (__objc_runtime_mutex); - - /* Count how many selectors we have. */ - i = (sidx) objc_hash_value_for_key (__objc_selector_hash, name); - if (i != 0) - { - struct objc_list *selector_list = NULL; - selector_list = (struct objc_list *) sarray_get_safe (__objc_selector_array, i); - - /* Count how many selectors we have. */ - { - struct objc_list *l; - for (l = selector_list; l; l = l->tail) - count++; - } - - if (count != 0) - { - /* Allocate enough memory to hold them. */ - returnValue = (SEL *)(malloc (sizeof (SEL) * (count + 1))); - - /* Copy the selectors. */ - { - unsigned int j; - for (j = 0; j < count; j++) - { - returnValue[j] = (SEL)(selector_list->head); - selector_list = selector_list->tail; - } - returnValue[j] = NULL; - } - } - } - - objc_mutex_unlock (__objc_runtime_mutex); - - if (numberOfReturnedSelectors) - *numberOfReturnedSelectors = count; - - return returnValue; -} - -/* Get the name of a selector. If the selector is unknown, the empty - string "" is returned. */ -const char *sel_getName (SEL selector) -{ - const char *ret; - - if (selector == NULL) - return ""; - - objc_mutex_lock (__objc_runtime_mutex); - if ((soffset_decode ((sidx)selector->sel_id) > 0) - && (soffset_decode ((sidx)selector->sel_id) <= __objc_selector_max_index)) - ret = sarray_get_safe (__objc_selector_names, (sidx) selector->sel_id); - else - ret = 0; - objc_mutex_unlock (__objc_runtime_mutex); - return ret; -} - -BOOL -sel_is_mapped (SEL selector) -{ - unsigned int idx = soffset_decode ((sidx)selector->sel_id); - return ((idx > 0) && (idx <= __objc_selector_max_index)); -} - -const char *sel_getTypeEncoding (SEL selector) -{ - if (selector) - return selector->sel_types; - else - return 0; -} - -/* The uninstalled dispatch table. */ -extern struct sarray *__objc_uninstalled_dtable; - -/* __sel_register_typed_name allocates lots of struct objc_selector:s - of 8 (16, if pointers are 64 bits) bytes at startup. To reduce the - number of malloc calls and memory lost to malloc overhead, we - allocate objc_selector:s in blocks here. This is only called from - __sel_register_typed_name, and __sel_register_typed_name may only - be called when __objc_runtime_mutex is locked. - - Note that the objc_selector:s allocated from - __sel_register_typed_name are never freed. - - 62 because 62 * sizeof (struct objc_selector) = 496 (992). This - should let malloc add some overhead and use a nice, round 512 - (1024) byte chunk. */ -#define SELECTOR_POOL_SIZE 62 -static struct objc_selector *selector_pool; -static int selector_pool_left; - -static struct objc_selector * -pool_alloc_selector(void) -{ - if (!selector_pool_left) - { - selector_pool = objc_malloc (sizeof (struct objc_selector) - * SELECTOR_POOL_SIZE); - selector_pool_left = SELECTOR_POOL_SIZE; - } - return &selector_pool[--selector_pool_left]; -} - -/* Store the passed selector name in the selector record and return - its selector value (value returned by sel_get_uid). Assume that - the calling function has locked down __objc_runtime_mutex. The - 'is_const' parameter tells us if the name and types parameters are - really constant or not. If YES then they are constant and we can - just store the pointers. If NO then we need to copy name and types - because the pointers may disappear later on. If the 'orig' - parameter is not NULL, then we are registering a selector from a - module, and 'orig' is that selector. In this case, we can put the - selector in the tables if needed, and orig->sel_id is updated with - the selector ID of the registered selector, and 'orig' is - returned. */ -static SEL -__sel_register_typed_name (const char *name, const char *types, - struct objc_selector *orig, BOOL is_const) -{ - struct objc_selector *j; - sidx i; - struct objc_list *l; - - i = (sidx) objc_hash_value_for_key (__objc_selector_hash, name); - if (soffset_decode (i) != 0) - { - /* There are already selectors with that name. Examine them to - see if the one we're registering already exists. */ - for (l = (struct objc_list *)sarray_get_safe (__objc_selector_array, i); - l; l = l->tail) - { - SEL s = (SEL)l->head; - if (types == 0 || s->sel_types == 0) - { - if (s->sel_types == types) - { - if (orig) - { - orig->sel_id = (void *)i; - return orig; - } - else - return s; - } - } - else if (sel_types_match (s->sel_types, types)) - { - if (orig) - { - orig->sel_id = (void *)i; - return orig; - } - else - return s; - } - } - /* A selector with this specific name/type combination does not - exist yet. We need to register it. */ - if (orig) - j = orig; - else - j = pool_alloc_selector (); - - j->sel_id = (void *)i; - /* Can we use the pointer or must we copy types ? Don't copy if - NULL. */ - if ((is_const) || (types == 0)) - j->sel_types = types; - else - { - j->sel_types = (char *)objc_malloc (strlen (types) + 1); - strcpy ((char *)j->sel_types, types); - } - l = (struct objc_list *)sarray_get_safe (__objc_selector_array, i); - } - else - { - /* There are no other selectors with this name registered in the - runtime tables. */ - const char *new_name; - - /* Determine i. */ - __objc_selector_max_index += 1; - i = soffset_encode (__objc_selector_max_index); - - /* Prepare the selector. */ - if (orig) - j = orig; - else - j = pool_alloc_selector (); - - j->sel_id = (void *)i; - /* Can we use the pointer or must we copy types ? Don't copy if - NULL. */ - if (is_const || (types == 0)) - j->sel_types = types; - else - { - j->sel_types = (char *)objc_malloc (strlen (types) + 1); - strcpy ((char *)j->sel_types, types); - } - - /* Since this is the first selector with this name, we need to - register the correspondence between 'i' (the sel_id) and - 'name' (the actual string) in __objc_selector_names and - __objc_selector_hash. */ - - /* Can we use the pointer or must we copy name ? Don't copy if - NULL. (FIXME: Can the name really be NULL here ?) */ - if (is_const || (name == 0)) - new_name = name; - else - { - new_name = (char *)objc_malloc (strlen (name) + 1); - strcpy ((char *)new_name, name); - } - - /* This maps the sel_id to the name. */ - sarray_at_put_safe (__objc_selector_names, i, (void *)new_name); - - /* This maps the name to the sel_id. */ - objc_hash_add (&__objc_selector_hash, (void *)new_name, (void *)i); - - l = 0; - } - - DEBUG_PRINTF ("Record selector %s[%s] as: %ld\n", name, types, - (long)soffset_decode (i)); - - /* Now add the selector to the list of selectors with that id. */ - l = list_cons ((void *)j, l); - sarray_at_put_safe (__objc_selector_array, i, (void *)l); - - sarray_realloc (__objc_uninstalled_dtable, __objc_selector_max_index + 1); - - return (SEL)j; -} - -SEL -sel_registerName (const char *name) -{ - SEL ret; - - if (name == NULL) - return NULL; - - objc_mutex_lock (__objc_runtime_mutex); - /* Assume that name is not constant static memory and needs to be - copied before put into a runtime structure. is_const == NO. */ - ret = __sel_register_typed_name (name, 0, 0, NO); - objc_mutex_unlock (__objc_runtime_mutex); - - return ret; -} - -SEL -sel_registerTypedName (const char *name, const char *type) -{ - SEL ret; - - if (name == NULL) - return NULL; - - objc_mutex_lock (__objc_runtime_mutex); - /* Assume that name and type are not constant static memory and need - to be copied before put into a runtime structure. is_const == - NO. */ - ret = __sel_register_typed_name (name, type, 0, NO); - objc_mutex_unlock (__objc_runtime_mutex); - - return ret; -} - -/* Return the selector representing name. */ -SEL -sel_getUid (const char *name) -{ - return sel_registerTypedName (name, 0); -} diff --git a/gcc-4.7/libobjc/sendmsg.c b/gcc-4.7/libobjc/sendmsg.c deleted file mode 100644 index ea8ea9702..000000000 --- a/gcc-4.7/libobjc/sendmsg.c +++ /dev/null @@ -1,1171 +0,0 @@ -/* GNU Objective C Runtime message lookup - Copyright (C) 1993, 1995, 1996, 1997, 1998, - 2001, 2002, 2004, 2009, 2010 Free Software Foundation, Inc. - Contributed by Kresten Krab Thorup - -This file is part of GCC. - -GCC is free software; you can redistribute it and/or modify it under the -terms of the GNU General Public License as published by the Free Software -Foundation; either version 3, or (at your option) any later version. - -GCC is distributed in the hope that it will be useful, but WITHOUT ANY -WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more -details. - -Under Section 7 of GPL version 3, you are granted additional -permissions described in the GCC Runtime Library Exception, version -3.1, as published by the Free Software Foundation. - -You should have received a copy of the GNU General Public License and -a copy of the GCC Runtime Library Exception along with this program; -see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -. */ - -/* Uncommented the following line to enable debug logging. Use this - only while debugging the runtime. */ -/* #define DEBUG 1 */ - -/* FIXME: This file has no business including tm.h. */ -/* FIXME: This should be using libffi instead of __builtin_apply - and friends. */ - -#include "objc-private/common.h" -#include "objc-private/error.h" -#include "tconfig.h" -#include "coretypes.h" -#include "tm.h" -#include "objc/runtime.h" -#include "objc/message.h" /* For objc_msg_lookup(), objc_msg_lookup_super(). */ -#include "objc/thr.h" -#include "objc-private/module-abi-8.h" -#include "objc-private/runtime.h" -#include "objc-private/hash.h" -#include "objc-private/sarray.h" -#include "objc-private/selector.h" /* For sel_is_mapped() */ -#include "runtime-info.h" -#include /* For assert */ -#include /* For strlen */ - -/* This is how we hack STRUCT_VALUE to be 1 or 0. */ -#define gen_rtx(args...) 1 -#define gen_rtx_MEM(args...) 1 -#define gen_rtx_REG(args...) 1 -/* Already defined in gcc/coretypes.h. So prevent double definition warning. */ -#undef rtx -#define rtx int - -#if ! defined (STRUCT_VALUE) || STRUCT_VALUE == 0 -#define INVISIBLE_STRUCT_RETURN 1 -#else -#define INVISIBLE_STRUCT_RETURN 0 -#endif - -/* The uninstalled dispatch table. If a class' dispatch table points - to __objc_uninstalled_dtable then that means it needs its dispatch - table to be installed. */ -struct sarray *__objc_uninstalled_dtable = 0; /* !T:MUTEX */ - -/* Two hooks for method forwarding. If either is set, it is invoked to - * return a function that performs the real forwarding. If both are - * set, the result of __objc_msg_forward2 will be preferred over that - * of __objc_msg_forward. If both return NULL or are unset, the - * libgcc based functions (__builtin_apply and friends) are used. */ -IMP (*__objc_msg_forward) (SEL) = NULL; -IMP (*__objc_msg_forward2) (id, SEL) = NULL; - -/* Send +initialize to class. */ -static void __objc_send_initialize (Class); - -/* Forward declare some functions */ -static void __objc_install_dtable_for_class (Class cls); -static void __objc_prepare_dtable_for_class (Class cls); -static void __objc_install_prepared_dtable_for_class (Class cls); - -static struct sarray *__objc_prepared_dtable_for_class (Class cls); -static IMP __objc_get_prepared_imp (Class cls,SEL sel); - - -/* Various forwarding functions that are used based upon the - return type for the selector. - __objc_block_forward for structures. - __objc_double_forward for floats/doubles. - __objc_word_forward for pointers or types that fit in registers. */ -static double __objc_double_forward (id, SEL, ...); -static id __objc_word_forward (id, SEL, ...); -typedef struct { id many[8]; } __big; -#if INVISIBLE_STRUCT_RETURN -static __big -#else -static id -#endif -__objc_block_forward (id, SEL, ...); -static struct objc_method * search_for_method_in_hierarchy (Class class, SEL sel); -struct objc_method * search_for_method_in_list (struct objc_method_list * list, SEL op); -id nil_method (id, SEL); - -/* Given a selector, return the proper forwarding implementation. */ -inline -IMP -__objc_get_forward_imp (id rcv, SEL sel) -{ - /* If a custom forwarding hook was registered, try getting a - forwarding function from it. There are two forward routine hooks, - one that takes the receiver as an argument and one that does - not. */ - if (__objc_msg_forward2) - { - IMP result; - if ((result = __objc_msg_forward2 (rcv, sel)) != NULL) - return result; - } - if (__objc_msg_forward) - { - IMP result; - if ((result = __objc_msg_forward (sel)) != NULL) - return result; - } - - /* In all other cases, use the default forwarding functions built - using __builtin_apply and friends. */ - { - const char *t = sel->sel_types; - - if (t && (*t == '[' || *t == '(' || *t == '{') -#ifdef OBJC_MAX_STRUCT_BY_VALUE - && objc_sizeof_type (t) > OBJC_MAX_STRUCT_BY_VALUE -#endif - ) - return (IMP)__objc_block_forward; - else if (t && (*t == 'f' || *t == 'd')) - return (IMP)__objc_double_forward; - else - return (IMP)__objc_word_forward; - } -} - -/* Selectors for +resolveClassMethod: and +resolveInstanceMethod:. - These are set up at startup. */ -static SEL selector_resolveClassMethod = NULL; -static SEL selector_resolveInstanceMethod = NULL; - -/* Internal routines use to resolve a class method using - +resolveClassMethod:. 'class' is always a non-Nil class (*not* a - meta-class), and 'sel' is the selector that we are trying to - resolve. This must be called when class is not Nil, and the - dispatch table for class methods has already been installed. - - This routine tries to call +resolveClassMethod: to give an - opportunity to resolve the method. If +resolveClassMethod: returns - YES, it tries looking up the method again, and if found, it returns - it. Else, it returns NULL. */ -static inline -IMP -__objc_resolve_class_method (Class class, SEL sel) -{ - /* We need to lookup +resolveClassMethod:. */ - BOOL (*resolveMethodIMP) (id, SEL, SEL); - - /* The dispatch table for class methods is already installed and we - don't want any forwarding to happen when looking up this method, - so we just look it up directly. Note that if 'sel' is precisely - +resolveClassMethod:, this would look it up yet again and find - nothing. That's no problem and there's no recursion. */ - resolveMethodIMP = (BOOL (*) (id, SEL, SEL))sarray_get_safe - (class->class_pointer->dtable, (size_t) selector_resolveClassMethod->sel_id); - - if (resolveMethodIMP && resolveMethodIMP ((id)class, selector_resolveClassMethod, sel)) - { - /* +resolveClassMethod: returned YES. Look the method up again. - We already know the dtable is installed. */ - - /* TODO: There is the case where +resolveClassMethod: is buggy - and returned YES without actually adding the method. We - could maybe print an error message. */ - return sarray_get_safe (class->class_pointer->dtable, (size_t) sel->sel_id); - } - - return NULL; -} - -/* Internal routines use to resolve a instance method using - +resolveInstanceMethod:. 'class' is always a non-Nil class, and - 'sel' is the selector that we are trying to resolve. This must be - called when class is not Nil, and the dispatch table for instance - methods has already been installed. - - This routine tries to call +resolveInstanceMethod: to give an - opportunity to resolve the method. If +resolveInstanceMethod: - returns YES, it tries looking up the method again, and if found, it - returns it. Else, it returns NULL. */ -static inline -IMP -__objc_resolve_instance_method (Class class, SEL sel) -{ - /* We need to lookup +resolveInstanceMethod:. */ - BOOL (*resolveMethodIMP) (id, SEL, SEL); - - /* The dispatch table for class methods may not be already installed - so we have to install it if needed. */ - resolveMethodIMP = sarray_get_safe (class->class_pointer->dtable, - (size_t) selector_resolveInstanceMethod->sel_id); - if (resolveMethodIMP == 0) - { - /* Try again after installing the dtable. */ - if (class->class_pointer->dtable == __objc_uninstalled_dtable) - { - objc_mutex_lock (__objc_runtime_mutex); - if (class->class_pointer->dtable == __objc_uninstalled_dtable) - __objc_install_dtable_for_class (class->class_pointer); - objc_mutex_unlock (__objc_runtime_mutex); - } - resolveMethodIMP = sarray_get_safe (class->class_pointer->dtable, - (size_t) selector_resolveInstanceMethod->sel_id); - } - - if (resolveMethodIMP && resolveMethodIMP ((id)class, selector_resolveInstanceMethod, sel)) - { - /* +resolveInstanceMethod: returned YES. Look the method up - again. We already know the dtable is installed. */ - - /* TODO: There is the case where +resolveInstanceMethod: is - buggy and returned YES without actually adding the method. - We could maybe print an error message. */ - return sarray_get_safe (class->dtable, (size_t) sel->sel_id); - } - - return NULL; -} - -/* Given a CLASS and selector, return the implementation corresponding - to the method of the selector. - - If CLASS is a class, the instance method is returned. - If CLASS is a meta class, the class method is returned. - - Since this requires the dispatch table to be installed, this function - will implicitly invoke +initialize for CLASS if it hasn't been - invoked yet. This also insures that +initialize has been invoked - when the returned implementation is called directly. - - The forwarding hooks require the receiver as an argument (if they are to - perform dynamic lookup in proxy objects etc), so this function has a - receiver argument to be used with those hooks. */ -static inline -IMP -get_implementation (id receiver, Class class, SEL sel) -{ - void *res; - - if (class->dtable == __objc_uninstalled_dtable) - { - /* The dispatch table needs to be installed. */ - objc_mutex_lock (__objc_runtime_mutex); - - /* Double-checked locking pattern: Check - __objc_uninstalled_dtable again in case another thread - installed the dtable while we were waiting for the lock to be - released. */ - if (class->dtable == __objc_uninstalled_dtable) - __objc_install_dtable_for_class (class); - - /* If the dispatch table is not yet installed, we are still in - the process of executing +initialize. But the implementation - pointer should be available in the prepared ispatch table if - it exists at all. */ - if (class->dtable == __objc_uninstalled_dtable) - { - assert (__objc_prepared_dtable_for_class (class) != 0); - res = __objc_get_prepared_imp (class, sel); - } - else - res = 0; - - objc_mutex_unlock (__objc_runtime_mutex); - /* Call ourselves with the installed dispatch table and get the - real method. */ - if (!res) - res = get_implementation (receiver, class, sel); - } - else - { - /* The dispatch table has been installed. */ - res = sarray_get_safe (class->dtable, (size_t) sel->sel_id); - if (res == 0) - { - /* The dispatch table has been installed, and the method is - not in the dispatch table. So the method just doesn't - exist for the class. */ - - /* Try going through the +resolveClassMethod: or - +resolveInstanceMethod: process. */ - if (CLS_ISMETA (class)) - { - /* We have the meta class, but we need to invoke the - +resolveClassMethod: method on the class. So, we - need to obtain the class from the meta class, which - we do using the fact that both the class and the - meta-class have the same name. */ - Class realClass = objc_lookUpClass (class->name); - if (realClass) - res = __objc_resolve_class_method (realClass, sel); - } - else - res = __objc_resolve_instance_method (class, sel); - - if (res == 0) - res = __objc_get_forward_imp (receiver, sel); - } - } - return res; -} - -inline -IMP -get_imp (Class class, SEL sel) -{ - /* In a vanilla implementation we would first check if the dispatch - table is installed. Here instead, to get more speed in the - standard case (that the dispatch table is installed) we first try - to get the imp using brute force. Only if that fails, we do what - we should have been doing from the very beginning, that is, check - if the dispatch table needs to be installed, install it if it's - not installed, and retrieve the imp from the table if it's - installed. */ - void *res = sarray_get_safe (class->dtable, (size_t) sel->sel_id); - if (res == 0) - { - res = get_implementation(nil, class, sel); - } - return res; -} - -/* The new name of get_imp(). */ -IMP -class_getMethodImplementation (Class class_, SEL selector) -{ - if (class_ == Nil || selector == NULL) - return NULL; - - /* get_imp is inlined, so we're good. */ - return get_imp (class_, selector); -} - -/* Given a method, return its implementation. This has been replaced - by method_getImplementation() in the modern API. */ -IMP -method_get_imp (struct objc_method * method) -{ - return (method != (struct objc_method *)0) ? method->method_imp : (IMP)0; -} - -/* Query if an object can respond to a selector, returns YES if the - object implements the selector otherwise NO. Does not check if the - method can be forwarded. Since this requires the dispatch table to - installed, this function will implicitly invoke +initialize for the - class of OBJECT if it hasn't been invoked yet. */ -inline -BOOL -__objc_responds_to (id object, SEL sel) -{ - void *res; - struct sarray *dtable; - - /* Install dispatch table if need be */ - dtable = object->class_pointer->dtable; - if (dtable == __objc_uninstalled_dtable) - { - objc_mutex_lock (__objc_runtime_mutex); - if (object->class_pointer->dtable == __objc_uninstalled_dtable) - __objc_install_dtable_for_class (object->class_pointer); - - /* If the dispatch table is not yet installed, we are still in - the process of executing +initialize. Yet the dispatch table - should be available. */ - if (object->class_pointer->dtable == __objc_uninstalled_dtable) - { - dtable = __objc_prepared_dtable_for_class (object->class_pointer); - assert (dtable); - } - else - dtable = object->class_pointer->dtable; - - objc_mutex_unlock (__objc_runtime_mutex); - } - - /* Get the method from the dispatch table. */ - res = sarray_get_safe (dtable, (size_t) sel->sel_id); - return (res != 0) ? YES : NO; -} - -BOOL -class_respondsToSelector (Class class_, SEL selector) -{ - struct sarray *dtable; - void *res; - - if (class_ == Nil || selector == NULL) - return NO; - - /* Install dispatch table if need be. */ - dtable = class_->dtable; - if (dtable == __objc_uninstalled_dtable) - { - objc_mutex_lock (__objc_runtime_mutex); - if (class_->dtable == __objc_uninstalled_dtable) - __objc_install_dtable_for_class (class_); - - /* If the dispatch table is not yet installed, - we are still in the process of executing +initialize. - Yet the dispatch table should be available. */ - if (class_->dtable == __objc_uninstalled_dtable) - { - dtable = __objc_prepared_dtable_for_class (class_); - assert (dtable); - } - else - dtable = class_->dtable; - - objc_mutex_unlock (__objc_runtime_mutex); - } - - /* Get the method from the dispatch table. */ - res = sarray_get_safe (dtable, (size_t) selector->sel_id); - return (res != 0) ? YES : NO; -} - -/* This is the lookup function. All entries in the table are either a - valid method *or* zero. If zero then either the dispatch table - needs to be installed or it doesn't exist and forwarding is - attempted. */ -IMP -objc_msg_lookup (id receiver, SEL op) -{ - IMP result; - if (receiver) - { - /* First try a quick lookup assuming the dispatch table exists. */ - result = sarray_get_safe (receiver->class_pointer->dtable, - (sidx)op->sel_id); - if (result == 0) - { - /* Not found ... call get_implementation () to install the - dispatch table and call +initialize as required, - providing the method implementation or a forwarding - function. */ - result = get_implementation (receiver, receiver->class_pointer, op); - } - return result; - } - else - return (IMP)nil_method; -} - -IMP -objc_msg_lookup_super (struct objc_super *super, SEL sel) -{ - if (super->self) - return get_imp (super->super_class, sel); - else - return (IMP)nil_method; -} - -void -__objc_init_dispatch_tables () -{ - __objc_uninstalled_dtable = sarray_new (200, 0); - - /* TODO: It would be cool to register typed selectors here. */ - selector_resolveClassMethod = sel_registerName ("resolveClassMethod:"); - selector_resolveInstanceMethod = sel_registerName ("resolveInstanceMethod:"); -} - - -/* Install dummy table for class which causes the first message to - that class (or instances hereof) to be initialized properly. */ -void -__objc_install_premature_dtable (Class class) -{ - assert (__objc_uninstalled_dtable); - class->dtable = __objc_uninstalled_dtable; -} - -/* Send +initialize to class if not already done. */ -static void -__objc_send_initialize (Class class) -{ - /* This *must* be a class object. */ - assert (CLS_ISCLASS (class)); - assert (! CLS_ISMETA (class)); - - /* class_add_method_list/__objc_update_dispatch_table_for_class may - have reset the dispatch table. The canonical way to insure that - we send +initialize just once, is this flag. */ - if (! CLS_ISINITIALIZED (class)) - { - DEBUG_PRINTF ("+initialize: need to initialize class '%s'\n", class->name); - CLS_SETINITIALIZED (class); - CLS_SETINITIALIZED (class->class_pointer); - - /* Create the garbage collector type memory description. */ - __objc_generate_gc_type_description (class); - - if (class->super_class) - __objc_send_initialize (class->super_class); - - { - SEL op = sel_registerName ("initialize"); - struct objc_method *method = search_for_method_in_hierarchy (class->class_pointer, - op); - - if (method) - { - DEBUG_PRINTF (" begin of [%s +initialize]\n", class->name); - (*method->method_imp) ((id)class, op); - DEBUG_PRINTF (" end of [%s +initialize]\n", class->name); - } -#ifdef DEBUG - else - { - DEBUG_PRINTF (" class '%s' has no +initialize method\n", class->name); - } -#endif - } - } -} - -/* Walk on the methods list of class and install the methods in the - reverse order of the lists. Since methods added by categories are - before the methods of class in the methods list, this allows - categories to substitute methods declared in class. However if - more than one category replaces the same method nothing is - guaranteed about what method will be used. Assumes that - __objc_runtime_mutex is locked down. */ -static void -__objc_install_methods_in_dtable (struct sarray *dtable, struct objc_method_list * method_list) -{ - int i; - - if (! method_list) - return; - - if (method_list->method_next) - __objc_install_methods_in_dtable (dtable, method_list->method_next); - - for (i = 0; i < method_list->method_count; i++) - { - struct objc_method * method = &(method_list->method_list[i]); - sarray_at_put_safe (dtable, - (sidx) method->method_name->sel_id, - method->method_imp); - } -} - -void -__objc_update_dispatch_table_for_class (Class class) -{ - Class next; - struct sarray *arr; - - DEBUG_PRINTF (" _objc_update_dtable_for_class (%s)\n", class->name); - - objc_mutex_lock (__objc_runtime_mutex); - - /* Not yet installed -- skip it unless in +initialize. */ - if (class->dtable == __objc_uninstalled_dtable) - { - if (__objc_prepared_dtable_for_class (class)) - { - /* There is a prepared table so we must be initialising this - class ... we must re-do the table preparation. */ - __objc_prepare_dtable_for_class (class); - } - objc_mutex_unlock (__objc_runtime_mutex); - return; - } - - arr = class->dtable; - __objc_install_premature_dtable (class); /* someone might require it... */ - sarray_free (arr); /* release memory */ - - /* Could have been lazy... */ - __objc_install_dtable_for_class (class); - - if (class->subclass_list) /* Traverse subclasses. */ - for (next = class->subclass_list; next; next = next->sibling_class) - __objc_update_dispatch_table_for_class (next); - - objc_mutex_unlock (__objc_runtime_mutex); -} - -/* This function adds a method list to a class. This function is - typically called by another function specific to the run-time. As - such this function does not worry about thread safe issues. - - This one is only called for categories. Class objects have their - methods installed right away, and their selectors are made into - SEL's by the function __objc_register_selectors_from_class. */ -void -class_add_method_list (Class class, struct objc_method_list * list) -{ - /* Passing of a linked list is not allowed. Do multiple calls. */ - assert (! list->method_next); - - __objc_register_selectors_from_list(list); - - /* Add the methods to the class's method list. */ - list->method_next = class->methods; - class->methods = list; - - /* Update the dispatch table of class. */ - __objc_update_dispatch_table_for_class (class); -} - -struct objc_method * -class_getInstanceMethod (Class class_, SEL selector) -{ - struct objc_method *m; - - if (class_ == Nil || selector == NULL) - return NULL; - - m = search_for_method_in_hierarchy (class_, selector); - if (m) - return m; - - /* Try going through +resolveInstanceMethod:, and do the search - again if successful. */ - if (__objc_resolve_instance_method (class_, selector)) - return search_for_method_in_hierarchy (class_, selector); - - return NULL; -} - -struct objc_method * -class_getClassMethod (Class class_, SEL selector) -{ - struct objc_method *m; - - if (class_ == Nil || selector == NULL) - return NULL; - - m = search_for_method_in_hierarchy (class_->class_pointer, - selector); - if (m) - return m; - - /* Try going through +resolveClassMethod:, and do the search again - if successful. */ - if (__objc_resolve_class_method (class_, selector)) - return search_for_method_in_hierarchy (class_->class_pointer, - selector); - - return NULL; -} - -BOOL -class_addMethod (Class class_, SEL selector, IMP implementation, - const char *method_types) -{ - struct objc_method_list *method_list; - struct objc_method *method; - const char *method_name; - - if (class_ == Nil || selector == NULL || implementation == NULL - || method_types == NULL || (strcmp (method_types, "") == 0)) - return NO; - - method_name = sel_getName (selector); - if (method_name == NULL) - return NO; - - /* If the method already exists in the class, return NO. It is fine - if the method already exists in the superclass; in that case, we - are overriding it. */ - if (CLS_IS_IN_CONSTRUCTION (class_)) - { - /* The class only contains a list of methods; they have not been - registered yet, ie, the method_name of each of them is still - a string, not a selector. Iterate manually over them to - check if we have already added the method. */ - struct objc_method_list * method_list = class_->methods; - while (method_list) - { - int i; - - /* Search the method list. */ - for (i = 0; i < method_list->method_count; ++i) - { - struct objc_method * method = &method_list->method_list[i]; - - if (method->method_name - && strcmp ((char *)method->method_name, method_name) == 0) - return NO; - } - - /* The method wasn't found. Follow the link to the next list of - methods. */ - method_list = method_list->method_next; - } - /* The method wasn't found. It's a new one. Go ahead and add - it. */ - } - else - { - /* Do the standard lookup. This assumes the selectors are - mapped. */ - if (search_for_method_in_list (class_->methods, selector)) - return NO; - } - - method_list = (struct objc_method_list *)objc_calloc (1, sizeof (struct objc_method_list)); - method_list->method_count = 1; - - method = &(method_list->method_list[0]); - method->method_name = objc_malloc (strlen (method_name) + 1); - strcpy ((char *)method->method_name, method_name); - - method->method_types = objc_malloc (strlen (method_types) + 1); - strcpy ((char *)method->method_types, method_types); - - method->method_imp = implementation; - - if (CLS_IS_IN_CONSTRUCTION (class_)) - { - /* We only need to add the method to the list. It will be - registered with the runtime when the class pair is registered - (if ever). */ - method_list->method_next = class_->methods; - class_->methods = method_list; - } - else - { - /* Add the method to a live class. */ - objc_mutex_lock (__objc_runtime_mutex); - class_add_method_list (class_, method_list); - objc_mutex_unlock (__objc_runtime_mutex); - } - - return YES; -} - -IMP -class_replaceMethod (Class class_, SEL selector, IMP implementation, - const char *method_types) -{ - struct objc_method * method; - - if (class_ == Nil || selector == NULL || implementation == NULL - || method_types == NULL) - return NULL; - - method = search_for_method_in_hierarchy (class_, selector); - - if (method) - { - return method_setImplementation (method, implementation); - } - else - { - class_addMethod (class_, selector, implementation, method_types); - return NULL; - } -} - -/* Search for a method starting from the current class up its - hierarchy. Return a pointer to the method's method structure if - found. NULL otherwise. */ -static struct objc_method * -search_for_method_in_hierarchy (Class cls, SEL sel) -{ - struct objc_method * method = NULL; - Class class; - - if (! sel_is_mapped (sel)) - return NULL; - - /* Scan the method list of the class. If the method isn't found in - the list then step to its super class. */ - for (class = cls; ((! method) && class); class = class->super_class) - method = search_for_method_in_list (class->methods, sel); - - return method; -} - - - -/* Given a linked list of method and a method's name. Search for the - named method's method structure. Return a pointer to the method's - method structure if found. NULL otherwise. */ -struct objc_method * -search_for_method_in_list (struct objc_method_list * list, SEL op) -{ - struct objc_method_list * method_list = list; - - if (! sel_is_mapped (op)) - return NULL; - - /* If not found then we'll search the list. */ - while (method_list) - { - int i; - - /* Search the method list. */ - for (i = 0; i < method_list->method_count; ++i) - { - struct objc_method * method = &method_list->method_list[i]; - - if (method->method_name) - if (method->method_name->sel_id == op->sel_id) - return method; - } - - /* The method wasn't found. Follow the link to the next list of - methods. */ - method_list = method_list->method_next; - } - - return NULL; -} - -typedef void * retval_t; -typedef void * arglist_t; - -static retval_t __objc_forward (id object, SEL sel, arglist_t args); - -/* Forwarding pointers/integers through the normal registers. */ -static id -__objc_word_forward (id rcv, SEL op, ...) -{ - void *args, *res; - - args = __builtin_apply_args (); - res = __objc_forward (rcv, op, args); - if (res) - __builtin_return (res); - else - return res; -} - -/* Specific routine for forwarding floats/double because of - architectural differences on some processors. i386s for example - which uses a floating point stack versus general registers for - floating point numbers. This forward routine makes sure that GCC - restores the proper return values. */ -static double -__objc_double_forward (id rcv, SEL op, ...) -{ - void *args, *res; - - args = __builtin_apply_args (); - res = __objc_forward (rcv, op, args); - __builtin_return (res); -} - -#if INVISIBLE_STRUCT_RETURN -static __big -#else -static id -#endif -__objc_block_forward (id rcv, SEL op, ...) -{ - void *args, *res; - - args = __builtin_apply_args (); - res = __objc_forward (rcv, op, args); - if (res) - __builtin_return (res); - else -#if INVISIBLE_STRUCT_RETURN - return (__big) {{0, 0, 0, 0, 0, 0, 0, 0}}; -#else - return nil; -#endif -} - - -/* This function is called for methods which are not implemented, - unless a custom forwarding routine has been installed. Please note - that most serious users of libobjc (eg, GNUstep base) do install - their own forwarding routines, and hence this is never actually - used. But, if no custom forwarding routine is installed, this is - called when a selector is not recognized. */ -static retval_t -__objc_forward (id object, SEL sel, arglist_t args) -{ - IMP imp; - static SEL frwd_sel = 0; /* !T:SAFE2 */ - SEL err_sel; - - /* First try if the object understands forward::. */ - if (! frwd_sel) - frwd_sel = sel_get_any_uid ("forward::"); - - if (__objc_responds_to (object, frwd_sel)) - { - imp = get_implementation (object, object->class_pointer, frwd_sel); - return (*imp) (object, frwd_sel, sel, args); - } - - /* If the object recognizes the doesNotRecognize: method then we're - going to send it. */ - err_sel = sel_get_any_uid ("doesNotRecognize:"); - if (__objc_responds_to (object, err_sel)) - { - imp = get_implementation (object, object->class_pointer, err_sel); - return (*imp) (object, err_sel, sel); - } - - /* The object doesn't recognize the method. Check for responding to - error:. If it does then sent it. */ - { - char msg[256 + strlen ((const char *) sel_getName (sel)) - + strlen ((const char *) object->class_pointer->name)]; - - sprintf (msg, "(%s) %s does not recognize %s", - (CLS_ISMETA (object->class_pointer) - ? "class" - : "instance" ), - object->class_pointer->name, sel_getName (sel)); - - /* The object doesn't respond to doesNotRecognize:. Therefore, a - default action is taken. */ - _objc_abort ("%s\n", msg); - - return 0; - } -} - -void -__objc_print_dtable_stats (void) -{ - int total = 0; - - objc_mutex_lock (__objc_runtime_mutex); - -#ifdef OBJC_SPARSE2 - printf ("memory usage: (%s)\n", "2-level sparse arrays"); -#else - printf ("memory usage: (%s)\n", "3-level sparse arrays"); -#endif - - printf ("arrays: %d = %ld bytes\n", narrays, - (long) ((size_t) narrays * sizeof (struct sarray))); - total += narrays * sizeof (struct sarray); - printf ("buckets: %d = %ld bytes\n", nbuckets, - (long) ((size_t) nbuckets * sizeof (struct sbucket))); - total += nbuckets * sizeof (struct sbucket); - - printf ("idxtables: %d = %ld bytes\n", - idxsize, (long) ((size_t) idxsize * sizeof (void *))); - total += idxsize * sizeof (void *); - printf ("-----------------------------------\n"); - printf ("total: %d bytes\n", total); - printf ("===================================\n"); - - objc_mutex_unlock (__objc_runtime_mutex); -} - -static cache_ptr prepared_dtable_table = 0; - -/* This function is called by: objc_msg_lookup, get_imp and - __objc_responds_to (and the dispatch table installation functions - themselves) to install a dispatch table for a class. - - If CLS is a class, it installs instance methods. - If CLS is a meta class, it installs class methods. - - In either case +initialize is invoked for the corresponding class. - - The implementation must insure that the dispatch table is not - installed until +initialize completes. Otherwise it opens a - potential race since the installation of the dispatch table is used - as gate in regular method dispatch and we need to guarantee that - +initialize is the first method invoked an that no other thread my - dispatch messages to the class before +initialize completes. */ -static void -__objc_install_dtable_for_class (Class cls) -{ - /* If the class has not yet had its class links resolved, we must - re-compute all class links. */ - if (! CLS_ISRESOLV (cls)) - __objc_resolve_class_links (); - - /* Make sure the super class has its dispatch table installed or is - at least preparing. We do not need to send initialize for the - super class since __objc_send_initialize will insure that. */ - if (cls->super_class - && cls->super_class->dtable == __objc_uninstalled_dtable - && !__objc_prepared_dtable_for_class (cls->super_class)) - { - __objc_install_dtable_for_class (cls->super_class); - /* The superclass initialisation may have also initialised the - current class, in which case there is no more to do. */ - if (cls->dtable != __objc_uninstalled_dtable) - return; - } - - /* We have already been prepared but +initialize hasn't completed. - The +initialize implementation is probably sending 'self' - messages. We rely on _objc_get_prepared_imp to retrieve the - implementation pointers. */ - if (__objc_prepared_dtable_for_class (cls)) - return; - - /* We have this function cache the implementation pointers for - _objc_get_prepared_imp but the dispatch table won't be initilized - until __objc_send_initialize completes. */ - __objc_prepare_dtable_for_class (cls); - - /* We may have already invoked +initialize but - __objc_update_dispatch_table_for_class invoked by - class_add_method_list may have reset dispatch table. */ - - /* Call +initialize. If we are a real class, we are installing - instance methods. If we are a meta class, we are installing - class methods. The __objc_send_initialize itself will insure - that the message is called only once per class. */ - if (CLS_ISCLASS (cls)) - __objc_send_initialize (cls); - else - { - /* Retrieve the class from the meta class. */ - Class c = objc_getClass (cls->name); - assert (CLS_ISMETA (cls)); - assert (c); - __objc_send_initialize (c); - } - - /* We install the dispatch table correctly when +initialize completed. */ - __objc_install_prepared_dtable_for_class (cls); -} - -/* Builds the dispatch table for the class CLS and stores it in a - place where it can be retrieved by __objc_get_prepared_imp until - __objc_install_prepared_dtable_for_class installs it into the - class. The dispatch table should not be installed into the class - until +initialize has completed. */ -static void -__objc_prepare_dtable_for_class (Class cls) -{ - struct sarray *dtable; - struct sarray *super_dtable; - - /* This table could be initialized in init.c. We can not use the - class name since the class maintains the instance methods and the - meta class maintains the the class methods yet both share the - same name. Classes should be unique in any program. */ - if (! prepared_dtable_table) - prepared_dtable_table - = objc_hash_new (32, - (hash_func_type) objc_hash_ptr, - (compare_func_type) objc_compare_ptrs); - - /* If the class has not yet had its class links resolved, we must - re-compute all class links. */ - if (! CLS_ISRESOLV (cls)) - __objc_resolve_class_links (); - - assert (cls); - assert (cls->dtable == __objc_uninstalled_dtable); - - /* If there is already a prepared dtable for this class, we must - replace it with a new version (since there must have been methods - added to or otherwise modified in the class while executing - +initialize, and the table needs to be recomputed. */ - dtable = __objc_prepared_dtable_for_class (cls); - if (dtable != 0) - { - objc_hash_remove (prepared_dtable_table, cls); - sarray_free (dtable); - } - - /* Now prepare the dtable for population. */ - assert (cls != cls->super_class); - if (cls->super_class) - { - /* Inherit the method list from the super class. Yet the super - class may still be initializing in the case when a class - cluster sub class initializes its super classes. */ - if (cls->super_class->dtable == __objc_uninstalled_dtable) - __objc_install_dtable_for_class (cls->super_class); - - super_dtable = cls->super_class->dtable; - /* If the dispatch table is not yet installed, we are still in - the process of executing +initialize. Yet the dispatch table - should be available. */ - if (super_dtable == __objc_uninstalled_dtable) - super_dtable = __objc_prepared_dtable_for_class (cls->super_class); - - assert (super_dtable); - dtable = sarray_lazy_copy (super_dtable); - } - else - dtable = sarray_new (__objc_selector_max_index, 0); - - __objc_install_methods_in_dtable (dtable, cls->methods); - - objc_hash_add (&prepared_dtable_table, - cls, - dtable); -} - -/* This wrapper only exists to allow an easy replacement of the lookup - implementation and it is expected that the compiler will optimize - it away. */ -static struct sarray * -__objc_prepared_dtable_for_class (Class cls) -{ - struct sarray *dtable = 0; - assert (cls); - if (prepared_dtable_table) - dtable = objc_hash_value_for_key (prepared_dtable_table, cls); - /* dtable my be nil, since we call this to check whether we are - currently preparing before we start preparing. */ - return dtable; -} - -/* Helper function for messages sent to CLS or implementation pointers - retrieved from CLS during +initialize before the dtable is - installed. When a class implicitly initializes another class which - in turn implicitly invokes methods in this class, before the - implementation of +initialize of CLS completes, this returns the - expected implementation. Forwarding remains the responsibility of - objc_msg_lookup. This function should only be called under the - global lock. */ -static IMP -__objc_get_prepared_imp (Class cls,SEL sel) -{ - struct sarray *dtable; - IMP imp; - - assert (cls); - assert (sel); - assert (cls->dtable == __objc_uninstalled_dtable); - dtable = __objc_prepared_dtable_for_class (cls); - - assert (dtable); - assert (dtable != __objc_uninstalled_dtable); - imp = sarray_get_safe (dtable, (size_t) sel->sel_id); - - /* imp may be Nil if the method does not exist and we may fallback - to the forwarding implementation later. */ - return imp; -} - -/* When this function is called +initialize should be completed. So - now we are safe to install the dispatch table for the class so that - they become available for other threads that may be waiting in the - lock. */ -static void -__objc_install_prepared_dtable_for_class (Class cls) -{ - assert (cls); - assert (cls->dtable == __objc_uninstalled_dtable); - cls->dtable = __objc_prepared_dtable_for_class (cls); - - assert (cls->dtable); - assert (cls->dtable != __objc_uninstalled_dtable); - objc_hash_remove (prepared_dtable_table, cls); -} diff --git a/gcc-4.7/libobjc/thr.c b/gcc-4.7/libobjc/thr.c deleted file mode 100644 index 095b9403a..000000000 --- a/gcc-4.7/libobjc/thr.c +++ /dev/null @@ -1,550 +0,0 @@ -/* GNU Objective C Runtime Thread Interface - Copyright (C) 1996, 1997, 2009, 2010 Free Software Foundation, Inc. - Contributed by Galen C. Hunt (gchunt@cs.rochester.edu) - -This file is part of GCC. - -GCC is free software; you can redistribute it and/or modify it under the -terms of the GNU General Public License as published by the Free Software -Foundation; either version 3, or (at your option) any later version. - -GCC is distributed in the hope that it will be useful, but WITHOUT ANY -WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more -details. - -Under Section 7 of GPL version 3, you are granted additional -permissions described in the GCC Runtime Library Exception, version -3.1, as published by the Free Software Foundation. - -You should have received a copy of the GNU General Public License and -a copy of the GCC Runtime Library Exception along with this program; -see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -. */ - -#include "objc-private/common.h" -#include "objc-private/error.h" -#define _LIBOBJC -/* The line below is needed for declarations of functions such as - pthread_mutexattr_settype, without which gthr-posix.h may fail to - compile within libobjc. Unfortunately, this breaks compilation on - Tru64 UNIX V4.0F, so disable it there. */ -#ifndef __osf__ -#define _XOPEN_SOURCE 500 -#endif -#include "config.h" -#include "tconfig.h" -#include "coretypes.h" -#include "tm.h" -#include "defaults.h" -#include "objc/thr.h" -#include "objc/message.h" /* For objc_msg_lookup(). */ -#include "objc/runtime.h" -#include "objc-private/module-abi-8.h" -#include "objc-private/runtime.h" -#include - -#include - -/* Global exit status. */ -int __objc_thread_exit_status = 0; - -/* Flag which lets us know if we ever became multi threaded. */ -int __objc_is_multi_threaded = 0; - -/* The hook function called when the runtime becomes multi - threaded. */ -objc_thread_callback _objc_became_multi_threaded = NULL; - -/* Use this to set the hook function that will be called when the - runtime initially becomes multi threaded. The hook function is - only called once, meaning only when the 2nd thread is spawned, not - for each and every thread. - - It returns the previous hook function or NULL if there is none. - - A program outside of the runtime could set this to some function so - it can be informed; for example, the GNUstep Base Library sets it - so it can implement the NSBecomingMultiThreaded notification. */ -objc_thread_callback objc_set_thread_callback (objc_thread_callback func) -{ - objc_thread_callback temp = _objc_became_multi_threaded; - _objc_became_multi_threaded = func; - return temp; -} - -/* Private functions. - - These functions are utilized by the runtime, but they are not - considered part of the public interface. */ - -/* Initialize the threads subsystem. */ -int -__objc_init_thread_system(void) -{ - return __gthread_objc_init_thread_system (); -} - -/* First function called in a thread, starts everything else. - - This function is passed to the backend by objc_thread_detach as the - starting function for a new thread. */ -struct __objc_thread_start_state -{ - SEL selector; - id object; - id argument; -}; - -static void __attribute__((noreturn)) -__objc_thread_detach_function (struct __objc_thread_start_state *istate) -{ - /* Valid state? */ - if (istate) - { - id (*imp) (id, SEL, id); - SEL selector = istate->selector; - id object = istate->object; - id argument = istate->argument; - - /* Don't need anymore so free it. */ - objc_free (istate); - - /* Clear out the thread local storage. */ - objc_thread_set_data (NULL); - - /* Check to see if we just became multi threaded. */ - if (! __objc_is_multi_threaded) - { - __objc_is_multi_threaded = 1; - - /* Call the hook function. */ - if (_objc_became_multi_threaded != NULL) - (*_objc_became_multi_threaded) (); - } - - /* Call the method. */ - if ((imp = (id (*) (id, SEL, id))objc_msg_lookup (object, selector))) - (*imp) (object, selector, argument); - else - { - /* FIXME: Should we abort here ? */ - _objc_abort ("objc_thread_detach called with bad selector.\n"); - } - } - else - { - /* FIXME: Should we abort here ? */ - _objc_abort ("objc_thread_detach called with NULL state.\n"); - } - - /* Exit the thread. */ - objc_thread_exit (); - - /* Make sure compiler detects no return. */ - __builtin_trap (); -} - -/* Public functions. - - These functions constitute the public interface to the Objective-C - thread and mutex functionality. */ - -/* Detach a new thread of execution and return its id. Returns NULL - if fails. Thread is started by sending message with selector to - object. Message takes a single argument. */ -objc_thread_t -objc_thread_detach (SEL selector, id object, id argument) -{ - struct __objc_thread_start_state *istate; - objc_thread_t thread_id = NULL; - - /* Allocate the state structure. */ - if (!(istate = (struct __objc_thread_start_state *)objc_malloc - (sizeof (*istate)))) - return NULL; - - /* Initialize the state structure. */ - istate->selector = selector; - istate->object = object; - istate->argument = argument; - - /* Lock access. */ - objc_mutex_lock (__objc_runtime_mutex); - - /* Call the backend to spawn the thread. */ - if ((thread_id = __gthread_objc_thread_detach ((void *)__objc_thread_detach_function, - istate)) == NULL) - { - /* Failed! */ - objc_mutex_unlock (__objc_runtime_mutex); - objc_free (istate); - return NULL; - } - - /* Increment our thread counter. */ - __objc_runtime_threads_alive++; - objc_mutex_unlock (__objc_runtime_mutex); - - return thread_id; -} - -/* Set the current thread's priority. */ -int -objc_thread_set_priority (int priority) -{ - return __gthread_objc_thread_set_priority (priority); -} - -/* Return the current thread's priority. */ -int -objc_thread_get_priority (void) -{ - return __gthread_objc_thread_get_priority (); -} - -/* Yield our process time to another thread. Any BUSY waiting that is - done by a thread should use this function to make sure that other - threads can make progress even on a lazy uniprocessor system. */ -void -objc_thread_yield (void) -{ - __gthread_objc_thread_yield (); -} - -/* Terminate the current tread. Doesn't return. Actually, if it - failed returns -1. */ -int -objc_thread_exit (void) -{ - /* Decrement our counter of the number of threads alive. */ - objc_mutex_lock (__objc_runtime_mutex); - __objc_runtime_threads_alive--; - objc_mutex_unlock (__objc_runtime_mutex); - - /* Call the backend to terminate the thread. */ - return __gthread_objc_thread_exit (); -} - -/* Returns an integer value which uniquely describes a thread. Must - not be NULL which is reserved as a marker for "no thread". */ -objc_thread_t -objc_thread_id (void) -{ - return __gthread_objc_thread_id (); -} - -/* Sets the thread's local storage pointer. Returns 0 if successful - or -1 if failed. */ -int -objc_thread_set_data (void *value) -{ - return __gthread_objc_thread_set_data (value); -} - -/* Returns the thread's local storage pointer. Returns NULL on - failure. */ -void * -objc_thread_get_data (void) -{ - return __gthread_objc_thread_get_data (); -} - -/* Public mutex functions */ - -/* Allocate a mutex. Return the mutex pointer if successful or NULL - if the allocation failed for any reason. */ -objc_mutex_t -objc_mutex_allocate (void) -{ - objc_mutex_t mutex; - - /* Allocate the mutex structure. */ - if (! (mutex = (objc_mutex_t)objc_malloc (sizeof (struct objc_mutex)))) - return NULL; - - /* Call backend to create the mutex. */ - if (__gthread_objc_mutex_allocate (mutex)) - { - /* Failed! */ - objc_free (mutex); - return NULL; - } - - /* Initialize mutex. */ - mutex->owner = NULL; - mutex->depth = 0; - return mutex; -} - -/* Deallocate a mutex. Note that this includes an implicit mutex_lock - to insure that no one else is using the lock. It is legal to - deallocate a lock if we have a lock on it, but illegal to - deallocate a lock held by anyone else. Returns the number of locks - on the thread. (1 for deallocate). */ -int -objc_mutex_deallocate (objc_mutex_t mutex) -{ - int depth; - - /* Valid mutex? */ - if (! mutex) - return -1; - - /* Acquire lock on mutex. */ - depth = objc_mutex_lock (mutex); - - /* Call backend to destroy mutex. */ - if (__gthread_objc_mutex_deallocate (mutex)) - return -1; - - /* Free the mutex structure. */ - objc_free (mutex); - - /* Return last depth. */ - return depth; -} - -/* Grab a lock on a mutex. If this thread already has a lock on this - mutex then we increment the lock count. If another thread has a - lock on the mutex we block and wait for the thread to release the - lock. Returns the lock count on the mutex held by this thread. */ -int -objc_mutex_lock (objc_mutex_t mutex) -{ - objc_thread_t thread_id; - int status; - - /* Valid mutex? */ - if (! mutex) - return -1; - - /* If we already own the lock then increment depth. */ - thread_id = __gthread_objc_thread_id (); - if (mutex->owner == thread_id) - return ++mutex->depth; - - /* Call the backend to lock the mutex. */ - status = __gthread_objc_mutex_lock (mutex); - - /* Failed? */ - if (status) - return status; - - /* Successfully locked the thread. */ - mutex->owner = thread_id; - return mutex->depth = 1; -} - -/* Try to grab a lock on a mutex. If this thread already has a lock - on this mutex then we increment the lock count and return it. If - another thread has a lock on the mutex returns -1. */ -int -objc_mutex_trylock (objc_mutex_t mutex) -{ - objc_thread_t thread_id; - int status; - - /* Valid mutex? */ - if (! mutex) - return -1; - - /* If we already own the lock then increment depth. */ - thread_id = __gthread_objc_thread_id (); - if (mutex->owner == thread_id) - return ++mutex->depth; - - /* Call the backend to try to lock the mutex. */ - status = __gthread_objc_mutex_trylock (mutex); - - /* Failed? */ - if (status) - return status; - - /* Successfully locked the thread. */ - mutex->owner = thread_id; - return mutex->depth = 1; -} - -/* Unlocks the mutex by one level. Decrements the lock count on this - mutex by one. If the lock count reaches zero, release the lock on - the mutex. Returns the lock count on the mutex. It is an error to - attempt to unlock a mutex which this thread doesn't hold in which - case return -1 and the mutex is unaffected. */ -int -objc_mutex_unlock (objc_mutex_t mutex) -{ - objc_thread_t thread_id; - int status; - - /* Valid mutex? */ - if (! mutex) - return -1; - - /* If another thread owns the lock then abort. */ - thread_id = __gthread_objc_thread_id (); - if (mutex->owner != thread_id) - return -1; - - /* Decrement depth and return. */ - if (mutex->depth > 1) - return --mutex->depth; - - /* Depth down to zero so we are no longer the owner. */ - mutex->depth = 0; - mutex->owner = NULL; - - /* Have the backend unlock the mutex. */ - status = __gthread_objc_mutex_unlock (mutex); - - /* Failed? */ - if (status) - return status; - - return 0; -} - -/* Public condition mutex functions */ - -/* Allocate a condition. Return the condition pointer if successful - or NULL if the allocation failed for any reason. */ -objc_condition_t -objc_condition_allocate (void) -{ - objc_condition_t condition; - - /* Allocate the condition mutex structure. */ - if (! (condition = - (objc_condition_t) objc_malloc (sizeof (struct objc_condition)))) - return NULL; - - /* Call the backend to create the condition mutex. */ - if (__gthread_objc_condition_allocate (condition)) - { - /* Failed! */ - objc_free (condition); - return NULL; - } - - /* Success! */ - return condition; -} - -/* Deallocate a condition. Note that this includes an implicit - condition_broadcast to insure that waiting threads have the - opportunity to wake. It is legal to dealloc a condition only if no - other thread is/will be using it. Here we do NOT check for other - threads waiting but just wake them up. */ -int -objc_condition_deallocate (objc_condition_t condition) -{ - /* Broadcast the condition. */ - if (objc_condition_broadcast (condition)) - return -1; - - /* Call the backend to destroy. */ - if (__gthread_objc_condition_deallocate (condition)) - return -1; - - /* Free the condition mutex structure. */ - objc_free (condition); - - return 0; -} - -/* Wait on the condition unlocking the mutex until - objc_condition_signal () or objc_condition_broadcast () are called - for the same condition. The given mutex *must* have the depth set - to 1 so that it can be unlocked here, so that someone else can lock - it and signal/broadcast the condition. The mutex is used to lock - access to the shared data that make up the "condition" - predicate. */ -int -objc_condition_wait (objc_condition_t condition, objc_mutex_t mutex) -{ - objc_thread_t thread_id; - - /* Valid arguments? */ - if (! mutex || ! condition) - return -1; - - /* Make sure we are owner of mutex. */ - thread_id = __gthread_objc_thread_id (); - if (mutex->owner != thread_id) - return -1; - - /* Cannot be locked more than once. */ - if (mutex->depth > 1) - return -1; - - /* Virtually unlock the mutex. */ - mutex->depth = 0; - mutex->owner = (objc_thread_t)NULL; - - /* Call the backend to wait. */ - __gthread_objc_condition_wait (condition, mutex); - - /* Make ourselves owner of the mutex. */ - mutex->owner = thread_id; - mutex->depth = 1; - - return 0; -} - -/* Wake up all threads waiting on this condition. It is recommended - that the called would lock the same mutex as the threads in - objc_condition_wait before changing the "condition predicate" and - make this call and unlock it right away after this call. */ -int -objc_condition_broadcast (objc_condition_t condition) -{ - /* Valid condition mutex? */ - if (! condition) - return -1; - - return __gthread_objc_condition_broadcast (condition); -} - -/* Wake up one thread waiting on this condition. It is recommended - that the called would lock the same mutex as the threads in - objc_condition_wait before changing the "condition predicate" and - make this call and unlock it right away after this call. */ -int -objc_condition_signal (objc_condition_t condition) -{ - /* Valid condition mutex? */ - if (! condition) - return -1; - - return __gthread_objc_condition_signal (condition); -} - -/* Make the objc thread system aware that a thread which is managed - (started, stopped) by external code could access objc facilities - from now on. This is used when you are interfacing with some - external non-objc-based environment/system - you must call - objc_thread_add () before an alien thread makes any calls to - Objective-C. Do not cause the _objc_became_multi_threaded hook to - be executed. */ -void -objc_thread_add (void) -{ - objc_mutex_lock (__objc_runtime_mutex); - __objc_is_multi_threaded = 1; - __objc_runtime_threads_alive++; - objc_mutex_unlock (__objc_runtime_mutex); -} - -/* Make the objc thread system aware that a thread managed (started, - stopped) by some external code will no longer access objc and thus - can be forgotten by the objc thread system. Call - objc_thread_remove () when your alien thread is done with making - calls to Objective-C. */ -void -objc_thread_remove (void) -{ - objc_mutex_lock (__objc_runtime_mutex); - __objc_runtime_threads_alive--; - objc_mutex_unlock (__objc_runtime_mutex); -} - -- cgit v1.2.3