diff options
| author | Dan Albert <danalbert@google.com> | 2015-06-17 11:09:54 -0700 |
|---|---|---|
| committer | Dan Albert <danalbert@google.com> | 2015-06-17 14:15:22 -0700 |
| commit | f378ebf14df0952eae870c9865bab8326aa8f137 (patch) | |
| tree | 31794503eb2a8c64ea5f313b93100f1163afcffb /gcc-4.4.3/libobjc | |
| parent | 2c58169824949d3a597d9fa81931e001ef9b1bd0 (diff) | |
| download | toolchain_gcc-f378ebf14df0952eae870c9865bab8326aa8f137.tar.gz toolchain_gcc-f378ebf14df0952eae870c9865bab8326aa8f137.tar.bz2 toolchain_gcc-f378ebf14df0952eae870c9865bab8326aa8f137.zip | |
Delete old versions of GCC.
Change-Id: I710f125d905290e1024cbd67f48299861790c66c
Diffstat (limited to 'gcc-4.4.3/libobjc')
58 files changed, 0 insertions, 30943 deletions
diff --git a/gcc-4.4.3/libobjc/ChangeLog b/gcc-4.4.3/libobjc/ChangeLog deleted file mode 100644 index d2ea6d127..000000000 --- a/gcc-4.4.3/libobjc/ChangeLog +++ /dev/null @@ -1,1518 +0,0 @@ -2010-01-21 Release Manager - - * GCC 4.4.3 released. - -2009-10-15 Release Manager - - * GCC 4.4.2 released. - -2009-07-22 Release Manager - - * GCC 4.4.1 released. - -2009-04-21 Release Manager - - * GCC 4.4.0 released. - -2009-04-09 Nick Clifton <nickc@redhat.com> - - * 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 <jakub@redhat.com> - - * 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 <rfm@gnu.org> - David Ayers <ayers@fsfe.org> - - 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 <Ralf.Wildenhues@gmx.de> - - * configure: Regenerate. - -2008-12-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> - - * configure: Regenerate. - -2008-11-21 Kai Tietz <kai.tietz@onevision.com> - - * 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 <pogma@thewrittenword.com> - Steve Ellcey <sje@cup.hp.com> - - * configure: Regenerate for new libtool. - * config.h.in: Regenerate for new libtool. - -2008-07-18 Matthias Klose <doko@ubuntu.com> - - * Makefile.in: Ignore missing ../boehm-gc/threads.mk. - -2008-07-18 Matthias Klose <doko@ubuntu.com> - - * Makefile.in: Include ../boehm-gc/threads.mk. - (OBJC_BOEHM_GC_LIBS): Define, (libobjc_gc$(libsuffix).la): Use it. - -2008-07-06 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> - - * Makefile.in (install-info): New stub target. - -2008-06-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> - - * configure: Regenerate. - -2008-06-14 Kai Tietz <kai.tietz@onevision.com> - - * exception.c (PERSONALITY_FUNCTION): Remove extra decrement - if HAVE_GETIPINFO is not defined. - -2008-06-10 Kai Tietz <kai.tietz@onevision.com> - - * Object.m (compare): Add type id. - * objc/Object.h: Likewise. - * archive.c (objc_read_class): Use size_t to extend version to be - size of pointer scalar width. - * sendmsg.c (rtx): Undefine it before redefinition. - (__objc_print_dtable_stats): Cast arguments to long as intended. - -2008-05-30 Julian Brown <julian@codesourcery.com> - - * exception.c (__objc_exception_class): Initialise as constant - array for ARM EABI. Change macro to static const for non-ARM EABI. - (ObjcException): Add note about structure layout. Remove landingPad - and handlerSwitchValue for ARM EABI. - (get_ttype_entry): Add __ARM_EABI_UNWINDER__ version - of function. - (CONTINUE_UNWINDING): Define for ARM EABI/otherwise cases. - (PERSONALITY_FUNCTION): Use ARM EABI-specific arguments, and add - ARM EABI unwinding support. - (objc_exception_throw): Use memcpy to initialise exception class. - -2008-05-25 Alan Modra <amodra@bigpond.net.au> - - * encoding.c (strip_array_types): Rename from get_inner_array_type. - (rs6000_special_round_type_align): Update. - -2008-05-09 Julian Brown <julian@codesourcery.com> - - * Makefile.in (LTLDFLAGS): New. - (libobjc$(libsuffix).la, libobjc_gc$(libsuffix).la): Use above. - -2008-04-18 Paolo Bonzini <bonzini@gnu.org> - - PR bootstrap/35457 - * aclocal.m4: Regenerate. - * configure: Regenerate. - -2008-01-24 David Edelsohn <edelsohn@gnu.org> - - * configure: Regenerate. - -2007-10-14 H.J. Lu <hongjiu.lu@intel.com> - - * configure.ac: Don't run config-ml.in directly. - (multilib_arg): New. - * configure: Regenerated. - -2007-08-06 Andrew Pinski <pinskia@gmail.com> - - 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 <hongjiu.lu@intel.com> - - * aclocal.m4: Regenerated. - -2007-06-03 Andrew Pinski <andrew_pinski@playstation.sony.com> - - * configure.ac: Fix a typo in *-*-darwin clause. - * configure: Regenerated. - -2007-06-02 H.J. Lu <hongjiu.lu@intel.com> - - * configure.ac: Fix a typo. - * configure: Regenerated. - -2007-06-02 Paolo Bonzini <bonzini@gnu.org> - - * configure: Regenerate. - -2007-06-01 Andrew Pinski <andrew_pinski@playstation.sony.com> - - * 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 <andrew_pinski@playstation.sony.com> - - * Makefile.in: Remove all uses of $(libext). - -2007-05-23 Steve Ellcey <sje@cup.hp.com> - - * configure: Regenerate. - * aclocal.m4: Regenerate. - -2007-04-21 Andrew Ruder <andy@aeruder.net> - - * sendmsg.c (__objc_get_forward_imp): Call - __objc_msg_forward2 for real. - -2007-04-09 Andrew Ruder <andy@aeruder.net> - - * 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 <brooks.moses@codesourcery.com> - - * Makefile.in: Add dummy install-pdf target. - -2007-02-18 Manuel Lopez-Ibanez <manu@gcc.gnu.org> - - * objc/objc-list.h (list_free): Add keyword 'inline' to avoid - unused warning. - -2006-10-31 Geoffrey Keating <geoffk@apple.com> - - * encoding.c (darwin_rs6000_special_round_type_align): New. - -2006-10-14 Geoffrey Keating <geoffk@apple.com> - - * 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 <bmoses@stanford.edu> - - * Makefile.in: Added empty "pdf" target. - -2006-07-18 Paolo Bonzini <bonzini@gnu.org> - - * configure: Regenerate. - -2006-05-23 Carlos O'Donell <carlos@codesourcery.com> - - * Makefile.in: Add install-html target. Add install-html to .PHONY - -2006-02-21 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> - - PR libobjc/26309 - * thr-objc.c (_XOPEN_SOURCE): Don't define on Tru64 UNIX. - -2006-01-24 David Ayers <d.ayers@inode.at> - - 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 <d.ayers@inode.at> - - 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 <pinskia@physics.uc.edu> - - 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 <d.ayers@inode.at> - - PR libobjc/14382 - * README (+load,+initialize): Fix documentation to reflect - intended and implemented semantics for +load and +initialize. - -2005-12-12 Andrew Pinski <pinskia@physics.uc.edu> - - * 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 <pinskia@physics.uc.edu> - - 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 <pinskia@physics.uc.edu> - - 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 <d.ayers@inode.at> - - 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 <aoliva@redhat.com> - - PR other/4372 - * thr-objc.c (_XOPEN_SOURCE): Define. - -2005-10-07 Ulrich Weigand <uweigand@de.ibm.com> - - PR libobjc/23612 - * objc/objc-api.h (struct objc_ivar): Move definition to - global scope. - -2005-09-04 Andrew Pinski <pinskia@physics.uc.edu> - Rasmus Hahn <rassahah@neofonie.de> - - PR libobjc/23108 - * archive.c (objc_write_type): Correct the element offset. - (objc_read_type): Likewise. - -2005-08-17 Kelley Cook <kcook@gcc.gnu.org> - - * All files: Update FSF address. - -2005-08-13 Marcin Koziej <creep@desk.pl> - Andrew Pinski <pinskia@physics.uc.edu> - - PR libobjc/22492 - * exception.c (PERSONALITY_FUNCTION): Fix the PC with finally. - -2005-08-13 Andrew Pinski <pinskia@physics.uc.edu> - - * 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 <pinskia@physics.uc.edu> - - PR libobjc/22606 - * Makefile.in (ALL_CFLAGS): Add -fexceptions. - -2005-06-08 David Ayers <d.ayers@inode.at> - - * 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 <d.ayers@inode.at> - - * 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 <rth@redhat.com> - - * exception.c: Revert last change. - -2005-05-19 David Ayers <d.ayers@inode.at> - - * exception.c: Include tsystem.h for unwind.h. - -2005-05-09 Mike Stump <mrs@apple.com> - - * configure: Regenerate. - -2005-04-12 Mike Stump <mrs@apple.com> - - * configure: Regenerate. - -2005-03-21 Zack Weinberg <zack@codesourcery.com> - - * 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 <d.ayers@inode.at> - - * objc/hash.h (OBJC_IGNORE_DEPRECATED_API): Update deprecated - version reference. Correct typo. - -2005-03-02 David Ayers <d.ayers@inode.at> - - 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 <pinskia@physics.uc.edu> - - 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 <bonzini@gnu.org> - - 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 <pinskia@physics.uc.edu> - - 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 <alexander@malmberg.org> - - * selector.c (__objc_init_selector_tables): Add missing void to - definition. - -2004-12-02 Richard Sandiford <rsandifo@redhat.com> - - * configure.ac: Use TL_AC_GCC_VERSION to set gcc_version. - * configure, aclocal.m4: Regenerate. - -2004-11-29 Kelley Cook <kcook@gcc.gnu.org> - - * configure: Regenerate for libtool change. - -2004-11-25 Kelley Cook <kcook@gcc.gnu.org> - - * configure: Regenerate for libtool reversion. - -2004-11-24 Kelley Cook <kcook@gcc.gnu.org> - - * configure: Regenerate for libtool change. - -2004-11-24 Kelley Cook <kcook@gcc.gnu.org> - - * aclocal.m4, config.h.in: Regenerate. - -2004-10-08 Mike Stump <mrs@apple.com> - Andrew Pinski <pinskia@physics.uc.edu> - - * 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 <pinskia@physics.uc.edu> - - * archive.c: Fix all the warnings about passing unsigned char* - to char* and the other way too. - -2004-09-16 Andrew Pinski <pinskia@physics.uc.edu> - - 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 <apinski@apple.com> - - * encoding.c (ALTIVEC_VECTOR_MODE): Define a bogus macro. - -2004-08-28 Nathanael Nerode <neroden@gcc.gnu.org> - - * configure.ac: Switch from _GCC_TOPLEV_NONCANONICAL_TARGET to - ACX_NONCANONICAL_TARGET. - * configure: Regenerate. - -2004-08-13 Ziemowit Laski <zlaski@apple.com> - - * 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 <pinskia@physics.uc.edu> - - * 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 <zlaski@apple.com> - - * objc/NXConstStr.h: Update copyright date; bracket with - 'extern "C"' for C++ use; make include syntax consistent - by using <...> instead of "..."; hoist <objc/...> 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 <pinskia@physics.uc.edu> - - * thr.c (__objc_thread_detach_function): Do not mark as volatile - but instead use the attribute noreturn. - -2004-06-28 Zack Weinberg <zack@codesourcery.com> - - * encoding.c: Rename target_flags with a #define to avoid - conflict with a prior declaration. - -2004-06-24 Andrew Pinski <apinski@apple.com> - - * 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 <nickc@redhat.com> - - * encoding.c (BITS_PER_UNIT): Define if a definition is not - provided. - -2004-06-20 Alexander Malmberg <alexander@malmberg.org> - - * Makefile.in (exception.lo): Remove $(OBJC_GCFLAGS). - (exception_gc.lo): New. - (OBJS_GC): Add exception_gc.lo. - -2004-06-17 Richard Henderson <rth@redhat.com> - - * exception.c: New file. - * Makefile.in (exception.lo): New. - (OBJS): Add it. - -2004-06-14 Andrew Pinski <pinskia@physics.uc.edu> - - * linking.m (_objcInit): New empty function - for Darwin only. - -2004-06-11 Andrew Pinski <pinskia@physics.uc.edu> - - * configure.ac: Support --enable-shared=libobjc. - * configure: Regenerate. - - PR libobjc/15901 - * configure.ac: Do not disable shared by default. - * configure: Regenerate. - -2004-06-03 Nicola Pero <n.pero@mi.flashnet.it> - - * Protocol.m ([-isEqual:]): Small optimizations returning - immediately if the argument is equal to self, and accessing - the argument's name directly if it's a protocol. - -2004-06-03 David Ayers <d.ayers@inode.at> - - * Protocol.m ([-isEqual:]): Test the class of the argument. - -2004-05-25 Andrew Pinski <pinskia@physics.uc.edu> - - * configure.ac (includedir): Rename to ... - (includedirname). - * Makefile.in: s/includedir/includedirname/. - - PR target/11572 - * configure.ac (includedir): Set to "include" - except for Darwin. - (libext) Set to empty except for Darwin. - * configure: Regenerate - * Makefile.in: s/libobjc.la/libobjc$(libext).la/g. - s/include/$(includedir)/g. - -2004-05-25 Daniel Jacobowitz <drow@false.org> - - * Makefile.in: Add .NOEXPORT. - -2004-05-25 Andrew Pinski <pinskia@physics.uc.edu> - - Merge from the libobjc-branch - 2004-02-09 Andrew Pinski <pinskia@physics.uc.edu> - - * Makefile.in (OBJC_H): Change objc-deps.h to objc-decls.h. - - 2004-02-03 Andrew Pinski <pinskia@physics.uc.edu> - - * Makefile.in (OBJC_H): Add objc-deps.h. - - 2004-01-27 Nicola Pero <n.pero@mi.flashnet.it> - - * Protocol.m ([-conformsTo:]): If the argument is nil, return NO. - ([-hash], [-isEqual:]): New methods. - - 2004-01-27 Richard Frith-Macdonald <rfm@gnu.org> - - * sarray.c (sarray_free): Add a better comment. - - 2004-01-27 Adam Fedor <fedor@gnu.org> - - * hash.c (hash_add): Cast cachep to int. - * selector.c (__sel_register_typed_name): Cast - soffset_decode to int. - - 2004-01-27 Alexander Malmberg <alexander@malmberg.org> - - * 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 <fedor@gnu.org> - Nicola Pero <n.pero@mi.flashnet.it> - Andrew Pinski <pinskia@physics.uc.edu> - - * 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 <pinskia@physics.uc.edu> - - * 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 <pinskia@physics.uc.edu> - - * archive.c (objc_read_class): Initialize class_name. - (objc_read_selector): Initialize selector_name. - -2004-05-09 Richard Sandiford <rsandifo@redhat.com> - - * Makefile.in (toolexecdir): Remove trailing space. - -2004-04-15 Nathanael Nerode <neroden@gcc.gnu.org> - - PR libobjc/14948 - * configure.ac: De-precious CC so multilibs work. - * configure: Regenerate. - -2004-04-14 Nathanael Nerode <neroden@gcc.gnu.org> - - * configure.ac: Restore toolexecdir. - * Makefile.in: Restore toolexecdir. - * configure: Regenerate. - -2004-04-09 Nathanael Nerode <neroden@gcc.gnu.org> - - * 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 <mh@suse.com> - - * Makefile.in, configure.in, configure: Update copyright years. - -2004-03-15 Manfred Hollstein <mh@suse.com> - - * 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 <zlaski@apple.com> - - * 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 <matz@suse.de> - - * Makefile.in (ALL_CFLAGS): Add -fno-strict-aliasing. - -2004-02-06 Ziemowit Laski <zlaski@apple.com> - - * objc/objc-api.h (objc_super): The 'class' field shall - be named 'super_class' #ifdef __cplusplus. - -2004-01-17 Andrew Pinski <pinskia@physics.uc.edu> - - PR target/10781 - * encoding.c (rs6000_special_round_type_align): Define. - -2004-01-14 Adam Fedor <fedor@gnu.org> - - PR libobjc/12155 - * selector.c (__objc_register_instance_methods_to_class): Free - new_list if not used. - -2004-01-09 Andrew Ruder <aeruder@ksu.edu> - - PR libobjc/11904 - * sarray.c (sarray_free): Free array->is_copy_of latter. - -2003-12-01 Zack Weinberg <zack@codesourcery.com> - - PR 11433 - * Protocol.m (descriptionForInstanceMethod): Don't dereference - instance_methods if it's NULL. - (descriptionForClassMethod): Likewise for class_methods. - -2003-10-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> - - * Makefile.in (runtime-info.h): Remove -Wp. - -2003-10-21 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> - - * 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 <jsm@polyomino.org.uk> - - * objc/hash.h (hash_string): Don't use a cast as an lvalue. - -2003-10-17 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> - - * Makefile.in (runtime-info.h): Use MULTIFLAGS. - -2003-09-09 Alan Modra <amodra@bigpond.net.au> - - * configure: Regenerate. - -2003-08-27 Alexander Malmberg <alexander@malmberg.org> - - * 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 <n.pero@mi.flashnet.it> - - 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 <neroden@gcc.gnu.org> - - * 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 <rfm@gnu.org> - Nicola Pero <n.pero@mi.flashnet.it> - - 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 <davidc@freebsd.org> - Loren J. Rittle <ljrittle@acm.org> - - 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 <schwab@suse.de> - - * aclocal.m4 (GLIBCPP_EXPORT_INSTALL_INFO): Avoid trailing /. in - glibcpp_toolexeclibdir. - * configure: Rebuilt. - -2003-02-20 Alexandre Oliva <aoliva@redhat.com> - - * configure.in: Propagate ORIGINAL_LD_FOR_MULTILIBS to - config.status. - * configure: Rebuilt. - -2003-01-27 Alexandre Oliva <aoliva@redhat.com> - - * 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 <ccorn@cs.tu-berlin.de> - - * 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 <zack@codesourcery.com> - - * thr-objc.c: Include coretypes.h and tm.h. - -2002-12-01 Zack Weinberg <zack@codesourcery.com> - - * encoding.c, sendmsg.c: Include coretypes.h and tm.h. - -2002-11-26 Nathanael Nerode <neroden@gcc.gnu.org> - - * configure.in: Remove skip-this-dir support. - * configure: Regenerate. - -2002-09-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> - - * Makefile.in (all): Fix multilib parallel build. - -Thu Sep 12 12:44:37 2002 Nicola Pero <n.pero@mi.flashnet.it> - - * 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 <jh@suse.cz> - - * nil_method.c (nil_method): No longer defined with variable - arguments. - -2002-07-02 Rodney Brown <rbrown64@csc.com.au> - - * 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 <dj@redhat.com> - - * 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 <ghazi@caip.rutgers.edu> - - * Object.m (forward, read, write): Fix unused parameter warnings. - * encoding.c: Include <stdlib.h>. - (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 <n.pero@mi.flashnet.it> - - * 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 <ghazi@caip.rutgers.edu> - - * 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 <aj@suse.de> - - * encoding.c (objc_layout_structure_next_member): Remove unused - variable. - -2002-05-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> - - * Makefile.in (SHELL): Set to @SHELL@. - (WARN_CFLAGS): New. - (ALL_CFLAGS): Add $(WARN_CFLAGS). - -2002-05-16 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> - - * aclocal.m4: Allow for PWDCMD to override hardcoded pwd. - * configure: Regenerate. - -2002-05-08 Alexandre Oliva <aoliva@redhat.com> - - * 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 <obrien@FreeBSD.org> - - * encoding.c (MAX, MIN, ROUNDING): #undef before defining. - -2002-04-09 Hans-Peter Nilsson <hp@bitrange.com> - - 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 <Franz.Sirl-kernel@lauterbach.com> - - 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 <nicola@brainstorm.co.uk> - - * 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 <alexander@malmberg.org>). - -2001-11-14 Aldy Hernandez <aldyh@redhat.com> - - * encoding.c: Add target_flags. - -2001-11-07 Aldy Hernandez <aldyh@redhat.com> - - * objc/objc-api.h (_C_VECTOR): New. - - * encoding.c (VECTOR_TYPE): New. - -Mon Oct 29 21:29:21 2001 Nicola Pero <n.pero@mi.flashnet.it> - - * 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 <ovidiu@cup.hp.com> - - * gc.c: Removed the DEBUG declaration. - -Wed Jul 18 12:48:56 2001 Nicola Pero <n.pero@mi.flashnet.it> - - * 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 <n.pero@mi.flashnet.it> - - * 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 <aoliva@redhat.com>, Stephen L Moshier <moshier@mediaone.net> - - * 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 <n.pero@mi.flashnet.it> - - * 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 <rrfm@gnu.org> - - * 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 <ovidiu@cup.hp.com> - - * 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 <richard@brainstorm.co.uk>). - -2001-05-09 Joseph S. Myers <jsm28@cam.ac.uk> - - * 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 <mark@codesourcery.com> - - * fdl.texi: New file. - * objc-features.texi: Simplify. - * Makefile.in: Adjust accordingly. - -2001-04-30 Mark Mitchell <mark@codesourcery.com> - - * 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 <edelsohn@gnu.org> - - * encoding.c (TYPE_MODE): Define. - -2001-03-14 Nicola Pero <n.pero@mi.flashnet.it> - - * 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 <ovidiu@cup.hp.com> - - * objc-features.texi: Document the @compatibility_alias compiler - directive (description from Nicola Pero <n.pero@mi.flashnet.it>). - -Fri Feb 23 18:12:00 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> - - * sendmsg.c (__objc_forward): Delete strlen() declaration. - -2001-02-08 Geoffrey Keating <geoffk@redhat.com> - - * 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 <jsm28@cam.ac.uk> - - * objc-features.texi: Use @email. - -2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk> - - * sendmsg.c (__objc_print_dtable_stats): Don't use #ifdef inside - printf. - -2000-01-11 Richard Earnshaw <rearnsha@arm.com> - - * encoding.c (STRUCTURE_SIZE_BOUNDARY): Redefine in a way that - determines the value dynamically. - -Wed Jan 3 00:49:10 2001 Ovidiu Predescu <ovidiu@cup.hp.com> - - * 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 <corsepiu@faw.uni-ulm.de> - - * thr-rtems.c: New file. Stub to compile. - -2000-09-06 Alexandre Oliva <aoliva@redhat.com> - - * configure: Rebuilt with new libtool.m4. - -Tue Aug 15 00:38:56 2000 Ovidiu Predescu <ovidiu@cup.hp.com> - - * configure.in: Create a config.h file. Check for <sched.h>. - * configure: Regenerate. - - * config.h.in: Check for <sched.h>. - -2000-08-14 Zack Weinberg <zack@wolery.cumb.org> - - * configure: Regenerate after change to ../libtool.m4. - -2000-08-14 Andreas Schwab <schwab@suse.de> - - * objc-features.texi (Top): Move @menu at end of node. - -2000-08-11 Manfred Hollstein <manfredh@redhat.com> - - * objc-features.texi: Move @node Top before @menu. - -Sun Aug 6 23:27:49 2000 Ovidiu Predescu <ovidiu@cup.hp.com> - - * objc-features.texi: Documented the new -fconstant-string-class - option. - -Sun Aug 6 22:51:16 2000 Ovidiu Predescu <ovidiu@cup.hp.com> - - * thr-posix.c: Integrated Chris Ball's <cball@fmco.com> changes to - improve the Posix thread support for Objective-C. - -2000-08-04 Zack Weinberg <zack@wolery.cumb.org> - - * aclocal.m4: Replace copy of ../libtool.m4 with - sinclude(../libtool.m4). - -Fri Jul 28 08:58:02 2000 Nicola Pero <nicola@brainstorm.co.uk> - - * 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 <ovidiu@cup.hp.com> - - * sarray.c, Object.m: Removed the explicit prototypes for strlen - and memcpy on 64-bit platforms (Suggested by Rodney Brown - <rdb@cup.hp.com>). - -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 <ghazi@caip.rutgers.edu> - - * objc/hash.h: Include string.h. - -2000-04-15 David Edelsohn <edelsohn@gnu.org> - - * Object.m (strlen): 64-bit PowerPC is a 64bit platform as well. - -2000-04-12 Jakub Jelinek <jakub@redhat.com> - - * 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 <zack@wolery.cumb.org> - - * objc/Protocol.h, objc/objc-list.h: Change #endif labels to - comments. - -2000-02-23 Zack Weinberg <zack@wolery.cumb.org> - - * Makefile.in: Add -DIN_TARGET_LIBS to ALL_CFLAGS. - -Thu Sep 23 07:19:12 1999 Chris Ball <cball@fmco.com> - - * 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 <drow@drow.them.org> - - * Makefile.in (FLAGS_TO_PASS): Include prefix, exec_prefix, - libdir, libsubdir and tooldir. - -Mon Jun 21 05:40:15 1999 John David Anglin <dave@hiauly1> - - * 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 <khan@xraylith.wisc.edu> - - * Makefile.in (CC1OBJ): Define in terms of CC. - (runtime-info.h): Use. - -Fri April 8 08:21:07 1999 Ovidiu Predescu <ovidiu@cup.hp.com> - - * objc-features.texi: Updated the URL to Boehm's GC page. - -Fri Mar 26 23:41:07 1999 Ovidiu Predescu <ovidiu@cup.hp.com> - - * archive.c (__objc_code_char, __objc_write_char): Explicitly specify - the char as being signed (patch from Daniel Jacobowitz - <drow@false.org>). - -Wed Mar 24 22:41:28 1999 Mumit Khan <khan@xraylith.wisc.edu> - - * 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 <manfred@s-direktnet.de> - - * 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 <ghazi@caip.rutgers.edu> - - * 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 <ghazi@caip.rutgers.edu> - - * Makefile.in (INCLUDES): Add -I$(srcdir)/$(MULTISRCTOP)../include. - -Thu Oct 22 14:34:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> - - * configure.in: Use AC_CONFIG_AUX_DIR($topsrcdir). - -Sat Oct 17 05:21:31 1998 Ovidiu Predescu <ovidiu@slip.net> - - * 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 <ovidiu@slip.net> - - * 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 <richard@brainstorm.co.uk> - - * 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 <davem@pierdol.cobaltmicro.com> - - * 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 <oliva@dcc.unicamp.br> - - * 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 <robertl@dgii.com> - 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 <robertl@dgii.com> - - * 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 <bje@cygnus.com> - Jeff Law <law@cygnus.com> - - * 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 <ovidiu@slip.net> - - * encoding.c (TREE_TYPE, ARRAY_TYPE): Define. - (get_inner_array_type): Define. - -1998-09-21 Ben Elliston <bje@cygnus.com> - - * New directory. Moved files from ../gcc/objc. diff --git a/gcc-4.4.3/libobjc/Makefile.in b/gcc-4.4.3/libobjc/Makefile.in deleted file mode 100644 index 855500355..000000000 --- a/gcc-4.4.3/libobjc/Makefile.in +++ /dev/null @@ -1,384 +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 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 -#<http://www.gnu.org/licenses/>. - -#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@ - -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@ -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=-DOBJC_WITH_GC=1 -OBJC_THREAD_FILE=thr-objc -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)/objc -I$(srcdir)/$(MULTISRCTOP)../gcc \ - -I$(srcdir)/$(MULTISRCTOP)../gcc/config \ - -I$(MULTIBUILDTOP)../../$(host_subdir)/gcc \ - -I$(srcdir)/$(MULTISRCTOP)../include \ - $(OBJC_BOEHM_GC_INCLUDES) - - -.SUFFIXES: -.SUFFIXES: .c .m .lo - -.c.lo: - $(LIBTOOL_COMPILE) $(CC) -c $(ALL_CFLAGS) $(INCLUDES) $< - -.m.lo: - $(LIBTOOL_COMPILE) $(CC) -c $(ALL_CFLAGS) $(INCLUDES) $< - -# Flags to pass to a recursive make. -FLAGS_TO_PASS = \ - "AR=$(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=$(tooldir)" - -all: libobjc$(libsuffix).la $(OBJC_BOEHM_GC) - : $(MAKE) ; exec $(MULTIDO) $(FLAGS_TO_PASS) multi-do DO=all - -# User-visible header files. - -OBJC_H = hash.h objc-list.h sarray.h objc.h objc-api.h \ - NXConstStr.h Object.h Protocol.h encoding.h typedstream.h \ - thr.h objc-decls.h - -# Modules that comprise the runtime library. - -OBJS = archive.lo class.lo encoding.lo gc.lo hash.lo init.lo linking.lo \ - misc.lo nil_method.lo NXConstStr.lo Object.lo objects.lo \ - Protocol.lo sarray.lo selector.lo sendmsg.lo thr.lo \ - $(OBJC_THREAD_FILE).lo exception.lo - -OBJS_GC = archive_gc.lo class_gc.lo encoding_gc.lo gc_gc.lo hash_gc.lo \ - init_gc.lo linking_gc.lo misc_gc.lo nil_method_gc.lo \ - NXConstStr_gc.lo Object_gc.lo objects_gc.lo Protocol_gc.lo \ - sarray_gc.lo selector_gc.lo sendmsg_gc.lo thr_gc.lo \ - $(OBJC_THREAD_FILE)_gc.lo exception_gc.lo - -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 - -archive_gc.lo: archive.c - $(LIBTOOL_COMPILE) $(CC) -c -o $@ $(ALL_CFLAGS) $(OBJC_GCFLAGS) \ - $(INCLUDES) $< - -class_gc.lo: class.c - $(LIBTOOL_COMPILE) $(CC) -c -o $@ $(ALL_CFLAGS) $(OBJC_GCFLAGS) \ - $(INCLUDES) $< - -encoding_gc.lo: encoding.c - $(LIBTOOL_COMPILE) $(CC) -c -o $@ $(ALL_CFLAGS) $(OBJC_GCFLAGS) \ - $(INCLUDES) $< - -gc.lo: gc.c - $(LIBTOOL_COMPILE) $(CC) -c -o $@ $(ALL_CFLAGS) $(INCLUDES) $< - -gc_gc.lo: gc.c - $(LIBTOOL_COMPILE) $(CC) -c -o $@ $(ALL_CFLAGS) $(OBJC_GCFLAGS) \ - $(INCLUDES) $< - -hash_gc.lo: hash.c - $(LIBTOOL_COMPILE) $(CC) -c -o $@ $(ALL_CFLAGS) $(OBJC_GCFLAGS) \ - $(INCLUDES) $< - -init_gc.lo: init.c - $(LIBTOOL_COMPILE) $(CC) -c -o $@ $(ALL_CFLAGS) $(OBJC_GCFLAGS) \ - $(INCLUDES) $< - -linking.lo: linking.m - $(LIBTOOL_COMPILE) $(CC) -fgnu-runtime -c -o $@ $(ALL_CFLAGS) \ - $(INCLUDES) $< - -linking_gc.lo: linking.m - $(LIBTOOL_COMPILE) $(CC) -fgnu-runtime -c -o $@ $(ALL_CFLAGS) \ - $(OBJC_GCFLAGS) $(INCLUDES) $< - 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$(OBJC_GCFLAGS) $(INCLUDES) $< - -sarray_gc.lo: sarray.c - $(LIBTOOL_COMPILE) $(CC) -c -o $@ $(ALL_CFLAGS) $(OBJC_GCFLAGS) \ - $(INCLUDES) $< - -selector_gc.lo: selector.c - $(LIBTOOL_COMPILE) $(CC) -c -o $@ $(ALL_CFLAGS) $(OBJC_GCFLAGS) \ - $(INCLUDES) $< - -sendmsg.lo: sendmsg.c runtime-info.h - $(LIBTOOL_COMPILE) $(CC) -c -o $@ $(ALL_CFLAGS) $(INCLUDES) $< - -sendmsg_gc.lo: sendmsg.c runtime-info.h - $(LIBTOOL_COMPILE) $(CC) -c -o $@ $(ALL_CFLAGS) $(OBJC_GCFLAGS) \ - $(INCLUDES) $< - -thr_gc.lo: thr.c - $(LIBTOOL_COMPILE) $(CC) -c -o $@ $(ALL_CFLAGS) $(OBJC_GCFLAGS) \ - $(INCLUDES) $< - -$(OBJC_THREAD_FILE)_gc.lo: $(OBJC_THREAD_FILE).c - $(LIBTOOL_COMPILE) $(CC) -c -o $@ $(ALL_CFLAGS) $(OBJC_GCFLAGS) \ - $(INCLUDES) $< - -exception.lo: exception.c - $(LIBTOOL_COMPILE) $(CC) -c -o $@ $(ALL_CFLAGS) \ - -fexceptions $(INCLUDES) $< - -exception_gc.lo: exception.c - $(LIBTOOL_COMPILE) $(CC) -c -o $@ $(ALL_CFLAGS) $(OBJC_GCFLAGS) \ - -fexceptions $(INCLUDES) $< - -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) \ - -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) \ - -rpath $(toolexeclibdir) \ - -version-info $(LIBOBJC_GC_VERSION) $(extra_ldflags_libobjc) \ - $(LTLDFLAGS) - -# -# FIXME -- The following part does not fit in the libtool context. -# Libtool is supposed to [going to] be able to create a win 32 DLL -# without extra code but since I don't have a win machine to test -# if it already works, I leave the old code here. -# -libobjc_s.a: libobjc.la - mv libobjc.a libobjc_s.a - -# Create a relocatable DLL -libobjc.dll: libobjc_s.a libobjc_entry.o - $(CC) -mdll -Wl,--base-file -Wl,libobjc.base \ - -o libobjc.dll libobjc_s.a libobjc_entry.o -lkernel32 - $(DLLTOOL) --dllname libobjc.dll --def $(srcdir)/libobjc.def \ - --base-file libobjc.base --output-exp libobjc.exp - $(GCC_FOR_TARGET) -mdll -Wl,--base-file libobjc.base libobjc.exp \ - -o libobjc.dll libobjc_s.a libobjc_entry.o -lkernel32 - $(DLLTOOL) --dllname libobjc.dll --def $(srcdir)/libobjc.def \ - --base-file libobjc.base --output-exp libobjc.exp - $(GCC_FOR_TARGET) libobjc.exp -mdll \ - -o libobjc.dll libobjc_s.a libobjc_entry.o -lkernel32 - $(DLLTOOL) --dllname libobjc.dll --def $(srcdir)/libobjc.def \ - --output-lib libobjc.a -# -# -# -# -# - -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)' $(SHELL) config.status --recheck - -${srcdir}/configure: @MAINT@ configure.ac - rm -f config.cache - cd ${srcdir} && autoconf - -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-4.4.3/libobjc/NXConstStr.m b/gcc-4.4.3/libobjc/NXConstStr.m deleted file mode 100644 index 92281f618..000000000 --- a/gcc-4.4.3/libobjc/NXConstStr.m +++ /dev/null @@ -1,40 +0,0 @@ -/* Implementation of the NXConstantString class for Objective-C. - Copyright (C) 1995, 2009 Free Software Foundation, Inc. - Contributed by Pieter J. Schoenmakers <tiggr@es.ele.tue.nl> - -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 -<http://www.gnu.org/licenses/>. */ - -#include "objc/NXConstStr.h" - -@implementation NXConstantString - --(const char *) cString -{ - return (c_string); -} /* -cString */ - --(unsigned int) length -{ - return (len); -} /* -length */ - -@end diff --git a/gcc-4.4.3/libobjc/Object.m b/gcc-4.4.3/libobjc/Object.m deleted file mode 100644 index b9eb72afc..000000000 --- a/gcc-4.4.3/libobjc/Object.m +++ /dev/null @@ -1,383 +0,0 @@ -/* The implementation of class Object for Objective-C. - Copyright (C) 1993, 1994, 1995, 1997, 2002, 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 -<http://www.gnu.org/licenses/>. */ - -#include <stdarg.h> -#include <errno.h> -#include "objc/Object.h" -#include "objc/Protocol.h" -#include "objc/objc-api.h" - -#define MAX_CLASS_NAME_LEN 256 - -@implementation Object - -+ initialize -{ - return self; -} - -- init -{ - return self; -} - -+ new -{ - return [[self alloc] init]; -} - -+ alloc -{ - return class_create_instance(self); -} - -- free -{ - return object_dispose(self); -} - -- copy -{ - return [[self shallowCopy] deepen]; -} - -- shallowCopy -{ - return object_copy(self); -} - -- deepen -{ - return self; -} - -- deepCopy -{ - return [self copy]; -} - -- (Class)class -{ - return object_get_class(self); -} - -- (Class)superClass -{ - return object_get_super_class(self); -} - -- (MetaClass)metaClass -{ - return object_get_meta_class(self); -} - -- (const char *)name -{ - return object_get_class_name(self); -} - -- self -{ - return self; -} - -- (unsigned int)hash -{ - return (size_t)self; -} - -- (BOOL)isEqual:anObject -{ - return self==anObject; -} - -- (int)compare:(id)anotherObject; -{ - if ([self isEqual:anotherObject]) - return 0; - // Ordering objects by their address is pretty useless, - // so subclasses should override this is some useful way. - else if ((id)self > anotherObject) - return 1; - else - return -1; -} - -- (BOOL)isMetaClass -{ - return NO; -} - -- (BOOL)isClass -{ - return object_is_class(self); -} - -- (BOOL)isInstance -{ - return object_is_instance(self); -} - -- (BOOL)isKindOf:(Class)aClassObject -{ - Class class; - - for (class = self->isa; class!=Nil; class = class_get_super_class(class)) - if (class==aClassObject) - return YES; - return NO; -} - -- (BOOL)isMemberOf:(Class)aClassObject -{ - return self->isa==aClassObject; -} - -- (BOOL)isKindOfClassNamed:(const char *)aClassName -{ - Class class; - - if (aClassName!=NULL) - for (class = self->isa; class!=Nil; class = class_get_super_class(class)) - if (!strcmp(class_get_class_name(class), aClassName)) - return YES; - return NO; -} - -- (BOOL)isMemberOfClassNamed:(const char *)aClassName -{ - return ((aClassName!=NULL) - &&!strcmp(class_get_class_name(self->isa), aClassName)); -} - -+ (BOOL)instancesRespondTo:(SEL)aSel -{ - return class_get_instance_method(self, aSel)!=METHOD_NULL; -} - -- (BOOL)respondsTo:(SEL)aSel -{ - return ((object_is_instance(self) - ?class_get_instance_method(self->isa, aSel) - :class_get_class_method(self->isa, aSel))!=METHOD_NULL); -} - -+ (IMP)instanceMethodFor:(SEL)aSel -{ - return method_get_imp(class_get_instance_method(self, aSel)); -} - -// Indicates if the receiving class or instance conforms to the given protocol -// not usually overridden by subclasses -// -// Modified 9/5/94 to always search the class object's protocol list, rather -// than the meta class. - -+ (BOOL) conformsTo: (Protocol*)aProtocol -{ - size_t i; - struct objc_protocol_list* proto_list; - id parent; - - for (proto_list = ((Class)self)->protocols; - proto_list; proto_list = proto_list->next) - { - for (i=0; i < proto_list->count; i++) - { - if ([proto_list->list[i] conformsTo: aProtocol]) - return YES; - } - } - - if ((parent = [self superClass])) - return [parent conformsTo: aProtocol]; - else - return NO; -} - -- (BOOL) conformsTo: (Protocol*)aProtocol -{ - return [[self class] conformsTo:aProtocol]; -} - -- (IMP)methodFor:(SEL)aSel -{ - return (method_get_imp(object_is_instance(self) - ?class_get_instance_method(self->isa, aSel) - :class_get_class_method(self->isa, aSel))); -} - -+ (struct objc_method_description *)descriptionForInstanceMethod:(SEL)aSel -{ - return ((struct objc_method_description *) - class_get_instance_method(self, aSel)); -} - -- (struct objc_method_description *)descriptionForMethod:(SEL)aSel -{ - return ((struct objc_method_description *) - (object_is_instance(self) - ?class_get_instance_method(self->isa, aSel) - :class_get_class_method(self->isa, aSel))); -} - -- perform:(SEL)aSel -{ - IMP msg = objc_msg_lookup(self, aSel); - if (!msg) - return [self error:"invalid selector passed to %s", sel_get_name(_cmd)]; - return (*msg)(self, aSel); -} - -- perform:(SEL)aSel with:anObject -{ - IMP msg = objc_msg_lookup(self, aSel); - if (!msg) - return [self error:"invalid selector passed to %s", sel_get_name(_cmd)]; - return (*msg)(self, aSel, anObject); -} - -- perform:(SEL)aSel with:anObject1 with:anObject2 -{ - IMP msg = objc_msg_lookup(self, aSel); - if (!msg) - return [self error:"invalid selector passed to %s", sel_get_name(_cmd)]; - return (*msg)(self, aSel, anObject1, anObject2); -} - -- (retval_t)forward:(SEL)aSel :(arglist_t)argFrame -{ - (void) argFrame; /* UNUSED */ - return (retval_t)[self doesNotRecognize: aSel]; -} - -- (retval_t)performv:(SEL)aSel :(arglist_t)argFrame -{ - return objc_msg_sendv(self, aSel, argFrame); -} - -+ poseAs:(Class)aClassObject -{ - return class_pose_as(self, aClassObject); -} - -- (Class)transmuteClassTo:(Class)aClassObject -{ - if (object_is_instance(self)) - if (class_is_class(aClassObject)) - if (class_get_instance_size(aClassObject)==class_get_instance_size(isa)) - if ([self isKindOf:aClassObject]) - { - Class old_isa = isa; - isa = aClassObject; - return old_isa; - } - return nil; -} - -- subclassResponsibility:(SEL)aSel -{ - return [self error:"subclass should override %s", sel_get_name(aSel)]; -} - -- notImplemented:(SEL)aSel -{ - return [self error:"method %s not implemented", sel_get_name(aSel)]; -} - -- shouldNotImplement:(SEL)aSel -{ - return [self error:"%s should not implement %s", - object_get_class_name(self), sel_get_name(aSel)]; -} - -- doesNotRecognize:(SEL)aSel -{ - return [self error:"%s does not recognize %s", - object_get_class_name(self), sel_get_name(aSel)]; -} - -- error:(const char *)aString, ... -{ -#define FMT "error: %s (%s)\n%s\n" - char fmt[(strlen((char*)FMT)+strlen((char*)object_get_class_name(self)) - +((aString!=NULL)?strlen((char*)aString):0)+8)]; - va_list ap; - - sprintf(fmt, FMT, object_get_class_name(self), - object_is_instance(self)?"instance":"class", - (aString!=NULL)?aString:""); - va_start(ap, aString); - objc_verror(self, OBJC_ERR_UNKNOWN, fmt, ap); - va_end(ap); - return nil; -#undef FMT -} - -+ (int)version -{ - return class_get_version(self); -} - -+ setVersion:(int)aVersion -{ - class_set_version(self, aVersion); - return self; -} - -+ (int)streamVersion: (TypedStream*)aStream -{ - if (aStream->mode == OBJC_READONLY) - return objc_get_stream_class_version (aStream, self); - else - return class_get_version (self); -} - -// These are used to write or read the instance variables -// declared in this particular part of the object. Subclasses -// should extend these, by calling [super read/write: aStream] -// before doing their own archiving. These methods are private, in -// the sense that they should only be called from subclasses. - -- read: (TypedStream*)aStream -{ - (void) aStream; /* UNUSED */ - // [super read: aStream]; - return self; -} - -- write: (TypedStream*)aStream -{ - (void) aStream; /* UNUSED */ - // [super write: aStream]; - return self; -} - -- awake -{ - // [super awake]; - return self; -} - -@end diff --git a/gcc-4.4.3/libobjc/Protocol.m b/gcc-4.4.3/libobjc/Protocol.m deleted file mode 100644 index 9fa7f9258..000000000 --- a/gcc-4.4.3/libobjc/Protocol.m +++ /dev/null @@ -1,180 +0,0 @@ -/* This file contains the implementation of class Protocol. - Copyright (C) 1993, 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 -<http://www.gnu.org/licenses/>. */ - -#include "objc/Protocol.h" -#include "objc/objc-api.h" - -/* Method description list */ -struct objc_method_description_list { - int count; - struct objc_method_description list[1]; -}; - - -@implementation Protocol -{ -@private - char *protocol_name; - struct objc_protocol_list *protocol_list; - struct objc_method_description_list *instance_methods, *class_methods; -} - -/* Obtaining attributes intrinsic to the protocol */ - -- (const char *)name -{ - return protocol_name; -} - -/* Testing protocol conformance */ - -- (BOOL) conformsTo: (Protocol *)aProtocolObject -{ - size_t i; - struct objc_protocol_list* proto_list; - - if (aProtocolObject == nil) - return NO; - - if (!strcmp(aProtocolObject->protocol_name, self->protocol_name)) - return YES; - - for (proto_list = protocol_list; proto_list; proto_list = proto_list->next) - { - for (i=0; i < proto_list->count; i++) - { - if ([proto_list->list[i] conformsTo: aProtocolObject]) - return YES; - } - } - - return NO; -} - -/* Looking up information specific to a protocol */ - -- (struct objc_method_description *) descriptionForInstanceMethod:(SEL)aSel -{ - int i; - struct objc_protocol_list* proto_list; - const char* name = sel_get_name (aSel); - struct objc_method_description *result; - - if (instance_methods) - for (i = 0; i < instance_methods->count; i++) - { - if (!strcmp ((char*)instance_methods->list[i].name, name)) - return &(instance_methods->list[i]); - } - - for (proto_list = protocol_list; proto_list; proto_list = proto_list->next) - { - size_t j; - for (j=0; j < proto_list->count; j++) - { - if ((result = [proto_list->list[j] - descriptionForInstanceMethod: aSel])) - return result; - } - } - - return NULL; -} - -- (struct objc_method_description *) descriptionForClassMethod:(SEL)aSel; -{ - int i; - struct objc_protocol_list* proto_list; - const char* name = sel_get_name (aSel); - struct objc_method_description *result; - - if (class_methods) - for (i = 0; i < class_methods->count; i++) - { - if (!strcmp ((char*)class_methods->list[i].name, name)) - return &(class_methods->list[i]); - } - - for (proto_list = protocol_list; proto_list; proto_list = proto_list->next) - { - size_t j; - for (j=0; j < proto_list->count; j++) - { - if ((result = [proto_list->list[j] - descriptionForClassMethod: aSel])) - return result; - } - } - - return NULL; -} - -- (unsigned) hash -{ - /* Compute a hash of the protocol_name; use the same hash algorithm - * that we use for class names; protocol names and class names are - * somewhat similar types of string spaces. - */ - int hash = 0, index; - - for (index = 0; protocol_name[index] != '\0'; index++) - { - hash = (hash << 4) ^ (hash >> 28) ^ protocol_name[index]; - } - - hash = (hash ^ (hash >> 10) ^ (hash >> 20)); - - return hash; -} - -/* - * 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. - */ -- (BOOL) isEqual: (id)obj -{ - if (obj == self) - return YES; - - if ([obj isKindOf: [Protocol class]]) - { - if (strcmp (protocol_name, ((Protocol *)obj)->protocol_name) == 0) - return YES; - } - - return NO; -} -@end - diff --git a/gcc-4.4.3/libobjc/README b/gcc-4.4.3/libobjc/README deleted file mode 100644 index 093116fd5..000000000 --- a/gcc-4.4.3/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 <gsk@marble.com> (manager), -Tom Wood <wood@next.com> (compiler) and Kresten Krab Thorup -<krab@iesd.auc.dk> (runtime) would like to thank a some people for -participating in the development of the present GNU Objective C. - -Paul Burchard <burchard@geom.umn.edu> and Andrew McCallum -<mccallum@cs.rochester.edu> has been very helpful debugging the -runtime. Eric Herring <herring@iesd.auc.dk> has been very helpful -cleaning up after the documentation-copyright disaster and is now -helping with the new documentation. - -Steve Naroff <snaroff@next.com> and Richard Stallman -<rms@gnu.ai.mit.edu> 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-4.4.3/libobjc/README.threads b/gcc-4.4.3/libobjc/README.threads deleted file mode 100644 index 5f15bd9cb..000000000 --- a/gcc-4.4.3/libobjc/README.threads +++ /dev/null @@ -1,50 +0,0 @@ -============================================================================== -README.threads - Wed Nov 29 15:16:24 EST 1995 ------------------------------------------------------------------------------- - -Limited documentation is available in the THREADS file. - -This version has been tested on Sun Solaris, SGI Irix, and Windows NT. -It should also work on any single threaded system. - -Thanks go to the following people for help test and debug the library: - - Scott Christley, scottc@ocbi.com - Andrew McCallum, mccallum@cs.rochester.edu - -galen -gchunt@cs.rochester.edu - -Any questions, bug reports, etc should be directed to: - -Scott Christley, scottc@ocbi.com - -Please do not bug Galen with email as he no longer supports the code. - -============================================================================== -Changes from prior releases (in revered chronological order): ------------------------------------------------------------------------------- - -* Fixed bug in copy part of sarray_realloc. I had an < which should - have been <=. (Bug report from Scott). - ------------------------------------------------------------------------------- - -* Support for DEC OSF/1 is definitely broken. My programs always - seg-fault when I link with libpthreads.a. - -* Thread id's are no longer int's, but are instead of type - _objc_thread_t which is typedef'ed from a void *. An invalid thread - id is denoted by NULL and not -1 as before. - ------------------------------------------------------------------------------- - -* Renamed thread-winnt.c to thread-win32.c to better reflect support - for the API on both Windows NT and Windows 95 platforms. - (Who knows, maybe even Win32s :-). - -* Fixed bugs in Win32 support as per report from Scott Christley. - -* Fixed bug in sarray_get as per report from Scott Christley. - - diff --git a/gcc-4.4.3/libobjc/THREADS b/gcc-4.4.3/libobjc/THREADS deleted file mode 100644 index 8a436832f..000000000 --- a/gcc-4.4.3/libobjc/THREADS +++ /dev/null @@ -1,377 +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 <scottc@net-community.com> - -* 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. 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 composed of a file with the necessary code to map the ObjC -thread and mutex to a platform specific implementation. For example, the -file thr-solaris.c contains the implementation for Solaris. - -If you are compiling libobjc as part of GCC, the thr-objc.c backend is -always used; this backend uses GCC's gthread code. The thread system -is automatically configured when GCC is configured. Important: make -sure you configure GCC using `--enable-threads' if you want threads ! - -If you want to compile libobjc standalone, then you would need to -modify the configure.in and makefiles for it; and you need to pick an -appropriate backend file for the target platform; you make this choice -by assigning the OBJC_THREAD_FILE make variable to the basename of the -backend file. For example, OBJC_THREAD_FILE=thr-posix would indicate -that the generic posix backend file, thr-posix.c, should be compiled -with the ObjC runtime library. If your platform does not support -threads then you should specify the OBJC_THREAD_FILE=thr-single -backend file to compile the ObjC runtime library without thread or -mutex support; note that programs which rely upon the ObjC thread and -mutex functions will compile and link correctly but attempting to -create a thread or mutex will result in an error. - -It is questionable whether it is really necessary to have both a -frontend and backend function for all available functionality. On the -one hand, it provides a clear, consistent differentiation between what -is public and what is private with the downside of having the overhead -of multiple functions calls. For example, the function to have a -thread yield the processor is objc_thread_yield; in the current -implementation this produces a function call set: - -objc_thread_yield() -> __objc_thread_yield() -> system yield function - -This has two extra function calls over calling the platform specific function -explicitly, but the issue is whether only the overhead of a single function -is necessary. - -objc_thread_yield() -> system yield function - -This breaks the public/private dichotomy between the frontend/backend -for the sake of efficiency. It is possible to just use a preprocessor -define so as to eliminate the extra function call: - -#define objc_thread_yield() __objc_thread_yield() - -This has the undesirable effect that if objc_thread_yield is actually -turned into a function based upon future need; then ObjC programs which -access the thread functions would need to be recompiled versus just -being relinked. - -****************************************************************************** -* 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. - -__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. - -__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. - -__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. - -__objc_thread_yield(void), void - Yields the processor, called by objc_thread_yield. - -__objc_thread_exit(void), int - Terminates the thread, called by objc_thread_exit. - Return -1 if error otherwise function does not return. - -__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. - -__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. - -__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. - -__objc_mutex_allocate(objc_mutex_t mutex), int - Allocates a new mutex, called by objc_mutex_allocate. - Return -1 if error otherwise return 0. - -__objc_mutex_deallocate(objc_mutex_t mutex), int - Free a mutex, called by objc_mutex_deallocate. - Return -1 if error otherwise return 0. - -__objc_mutex_lock(objc_mutex_t mutex), int - Locks a mutex, called by objc_mutex_lock. - Return -1 if error otherwise return 0. - -__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. - -__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. -* - -__objc_condition_allocate(objc_condition_t condition), int - Allocate a condition mutex, called by objc_condition_allocate. - Return -1 if error otherwise return 0. - -__objc_condition_deallocate(objc_condition_t condition), int - Deallocate a condition, called by objc_condition_deallocate. - Return -1 if error otherwise return 0. - -__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. - -__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. - -__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-4.4.3/libobjc/THREADS.MACH b/gcc-4.4.3/libobjc/THREADS.MACH deleted file mode 100644 index 55de66378..000000000 --- a/gcc-4.4.3/libobjc/THREADS.MACH +++ /dev/null @@ -1,23 +0,0 @@ -This readme refers to the file thr-mach.c. - -Under mach, thread priorities are kinda strange-- any given thread has -a MAXIMUM priority and a BASE priority. The BASE priority is the -current priority of the thread and the MAXIMUM is the maximum possible -priority the thread can assume. The developer can lower, but never -raise the maximum priority. - -The gcc concept of thread priorities is that they run at one of three -levels; interactive, background, and low. - -Under mach, this is translated to: - -interactive -- set priority to maximum -background -- set priority to 2/3 of maximum -low -- set priority to 1/3 of maximum - -This means that it is possible for a thread with the priority of -interactive to actually run at a lower priority than another thread -with a background, or even low, priority if the developer has modified -the maximum priority. - - diff --git a/gcc-4.4.3/libobjc/acinclude.m4 b/gcc-4.4.3/libobjc/acinclude.m4 deleted file mode 100644 index 6a0bbc4b8..000000000 --- a/gcc-4.4.3/libobjc/acinclude.m4 +++ /dev/null @@ -1,24 +0,0 @@ -dnl Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2001, 2004 -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(../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-4.4.3/libobjc/aclocal.m4 b/gcc-4.4.3/libobjc/aclocal.m4 deleted file mode 100644 index 0b3d8b741..000000000 --- a/gcc-4.4.3/libobjc/aclocal.m4 +++ /dev/null @@ -1,164 +0,0 @@ -# generated automatically by aclocal 1.9.6 -*- Autoconf -*- - -# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, -# 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. - -# 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 -<http://www.gnu.org/licenses/>. */ - -#include "tconfig.h" -#include "objc/runtime.h" -#include "objc/typedstream.h" -#include "objc/encoding.h" -#include <stdlib.h> - -extern int fflush (FILE *); - -#define ROUND(V, A) \ - ({ typeof (V) __v = (V); typeof (A) __a = (A); \ - __a * ((__v + __a - 1)/__a); }) - -#define PTR2LONG(P) (((char *) (P))-(char *) 0) -#define LONG2PTR(L) (((char *) 0) + (L)) - -/* Declare some functions... */ - -static int -objc_read_class (struct objc_typed_stream *stream, Class *class); - -int objc_sizeof_type (const char *type); - -static int -objc_write_use_common (struct objc_typed_stream *stream, unsigned long key); - -static int -objc_write_register_common (struct objc_typed_stream *stream, - unsigned long key); - -static int -objc_write_class (struct objc_typed_stream *stream, - struct objc_class *class); - -const char *objc_skip_type (const char *type); - -static void __objc_finish_write_root_object (struct objc_typed_stream *); -static void __objc_finish_read_root_object (struct objc_typed_stream *); - -static inline int -__objc_code_unsigned_char (unsigned char *buf, unsigned char val) -{ - if ((val&_B_VALUE) == val) - { - buf[0] = val|_B_SINT; - return 1; - } - else - { - buf[0] = _B_NINT|0x01; - buf[1] = val; - return 2; - } -} - -int -objc_write_unsigned_char (struct objc_typed_stream *stream, - unsigned char value) -{ - unsigned char buf[sizeof (unsigned char) + 1]; - int len = __objc_code_unsigned_char (buf, value); - return (*stream->write) (stream->physical, (char*)buf, len); -} - -static inline int -__objc_code_char (unsigned char *buf, signed char val) -{ - if (val >= 0) - return __objc_code_unsigned_char (buf, val); - else - { - buf[0] = _B_NINT|_B_SIGN|0x01; - buf[1] = -val; - return 2; - } -} - -int -objc_write_char (struct objc_typed_stream *stream, signed char value) -{ - unsigned char buf[sizeof (char) + 1]; - int len = __objc_code_char (buf, value); - return (*stream->write) (stream->physical, (char*)buf, len); -} - -static inline int -__objc_code_unsigned_short (unsigned char *buf, unsigned short val) -{ - if ((val&_B_VALUE) == val) - { - buf[0] = val|_B_SINT; - return 1; - } - else - { - int c, b; - - buf[0] = _B_NINT; - - for (c = sizeof (short); c != 0; c -= 1) - if (((val >> (8*(c - 1)))%0x100) != 0) - break; - - buf[0] |= c; - - for (b = 1; c != 0; c--, b++) - { - buf[b] = (val >> (8*(c - 1)))%0x100; - } - - return b; - } -} - -int -objc_write_unsigned_short (struct objc_typed_stream *stream, - unsigned short value) -{ - unsigned char buf[sizeof (unsigned short) + 1]; - int len = __objc_code_unsigned_short (buf, value); - return (*stream->write) (stream->physical, (char*)buf, len); -} - -static inline int -__objc_code_short (unsigned char *buf, short val) -{ - int sign = (val < 0); - int size = __objc_code_unsigned_short (buf, sign ? -val : val); - if (sign) - buf[0] |= _B_SIGN; - return size; -} - -int -objc_write_short (struct objc_typed_stream *stream, short value) -{ - unsigned char buf[sizeof (short) + 1]; - int len = __objc_code_short (buf, value); - return (*stream->write) (stream->physical, (char*)buf, len); -} - - -static inline int -__objc_code_unsigned_int (unsigned char *buf, unsigned int val) -{ - if ((val&_B_VALUE) == val) - { - buf[0] = val|_B_SINT; - return 1; - } - else - { - int c, b; - - buf[0] = _B_NINT; - - for (c = sizeof (int); c != 0; c -= 1) - if (((val >> (8*(c - 1)))%0x100) != 0) - break; - - buf[0] |= c; - - for (b = 1; c != 0; c--, b++) - { - buf[b] = (val >> (8*(c-1)))%0x100; - } - - return b; - } -} - -int -objc_write_unsigned_int (struct objc_typed_stream *stream, unsigned int value) -{ - unsigned char buf[sizeof (unsigned int) + 1]; - int len = __objc_code_unsigned_int (buf, value); - return (*stream->write) (stream->physical, (char*)buf, len); -} - -static inline int -__objc_code_int (unsigned char *buf, int val) -{ - int sign = (val < 0); - int size = __objc_code_unsigned_int (buf, sign ? -val : val); - if (sign) - buf[0] |= _B_SIGN; - return size; -} - -int -objc_write_int (struct objc_typed_stream *stream, int value) -{ - unsigned char buf[sizeof (int) + 1]; - int len = __objc_code_int (buf, value); - return (*stream->write) (stream->physical, (char*)buf, len); -} - -static inline int -__objc_code_unsigned_long (unsigned char *buf, unsigned long val) -{ - if ((val&_B_VALUE) == val) - { - buf[0] = val|_B_SINT; - return 1; - } - else - { - int c, b; - - buf[0] = _B_NINT; - - for (c = sizeof (long); c != 0; c -= 1) - if (((val >> (8*(c - 1)))%0x100) != 0) - break; - - buf[0] |= c; - - for (b = 1; c != 0; c--, b++) - { - buf[b] = (val >> (8*(c - 1)))%0x100; - } - - return b; - } -} - -int -objc_write_unsigned_long (struct objc_typed_stream *stream, - unsigned long value) -{ - unsigned char buf[sizeof (unsigned long) + 1]; - int len = __objc_code_unsigned_long (buf, value); - return (*stream->write) (stream->physical, (char*)buf, len); -} - -static inline int -__objc_code_long (unsigned char *buf, long val) -{ - int sign = (val < 0); - int size = __objc_code_unsigned_long (buf, sign ? -val : val); - if (sign) - buf[0] |= _B_SIGN; - return size; -} - -int -objc_write_long (struct objc_typed_stream *stream, long value) -{ - unsigned char buf[sizeof (long) + 1]; - int len = __objc_code_long (buf, value); - return (*stream->write) (stream->physical, (char*)buf, len); -} - - -int -objc_write_string (struct objc_typed_stream *stream, - const unsigned char *string, unsigned int nbytes) -{ - unsigned char buf[sizeof (unsigned int) + 1]; - int len = __objc_code_unsigned_int (buf, nbytes); - - if ((buf[0]&_B_CODE) == _B_SINT) - buf[0] = (buf[0]&_B_VALUE)|_B_SSTR; - - else /* _B_NINT */ - buf[0] = (buf[0]&_B_VALUE)|_B_NSTR; - - if ((*stream->write) (stream->physical, (char*)buf, len) != 0) - return (*stream->write) (stream->physical, (char*)string, nbytes); - else - return 0; -} - -int -objc_write_string_atomic (struct objc_typed_stream *stream, - unsigned char *string, unsigned int nbytes) -{ - unsigned long key; - if ((key = PTR2LONG(objc_hash_value_for_key (stream->stream_table, string)))) - return objc_write_use_common (stream, key); - else - { - int length; - objc_hash_add (&stream->stream_table, - LONG2PTR(key=PTR2LONG(string)), string); - if ((length = objc_write_register_common (stream, key))) - return objc_write_string (stream, string, nbytes); - return length; - } -} - -static int -objc_write_register_common (struct objc_typed_stream *stream, - unsigned long key) -{ - unsigned char buf[sizeof (unsigned long)+2]; - int len = __objc_code_unsigned_long (buf + 1, key); - if (len == 1) - { - buf[0] = _B_RCOMM|0x01; - buf[1] &= _B_VALUE; - return (*stream->write) (stream->physical, (char*)buf, len + 1); - } - else - { - buf[1] = (buf[1]&_B_VALUE)|_B_RCOMM; - return (*stream->write) (stream->physical, (char*)buf + 1, len); - } -} - -static int -objc_write_use_common (struct objc_typed_stream *stream, unsigned long key) -{ - unsigned char buf[sizeof (unsigned long)+2]; - int len = __objc_code_unsigned_long (buf + 1, key); - if (len == 1) - { - buf[0] = _B_UCOMM|0x01; - buf[1] &= _B_VALUE; - return (*stream->write) (stream->physical, (char*)buf, 2); - } - else - { - buf[1] = (buf[1]&_B_VALUE)|_B_UCOMM; - return (*stream->write) (stream->physical, (char*)buf + 1, len); - } -} - -static inline int -__objc_write_extension (struct objc_typed_stream *stream, unsigned char code) -{ - if (code <= _B_VALUE) - { - unsigned char buf = code|_B_EXT; - return (*stream->write) (stream->physical, (char*)&buf, 1); - } - else - { - objc_error (nil, OBJC_ERR_BAD_OPCODE, - "__objc_write_extension: bad opcode %c\n", code); - return -1; - } -} - -inline int -__objc_write_object (struct objc_typed_stream *stream, id object) -{ - unsigned char buf = '\0'; - SEL write_sel = sel_get_any_uid ("write:"); - if (object) - { - __objc_write_extension (stream, _BX_OBJECT); - objc_write_class (stream, object->class_pointer); - (*objc_msg_lookup (object, write_sel)) (object, write_sel, stream); - return (*stream->write) (stream->physical, (char*)&buf, 1); - } - else - return objc_write_use_common (stream, 0); -} - -int -objc_write_object_reference (struct objc_typed_stream *stream, id object) -{ - unsigned long key; - if ((key = PTR2LONG(objc_hash_value_for_key (stream->object_table, object)))) - return objc_write_use_common (stream, key); - - __objc_write_extension (stream, _BX_OBJREF); - return objc_write_unsigned_long (stream, PTR2LONG (object)); -} - -int -objc_write_root_object (struct objc_typed_stream *stream, id object) -{ - int len = 0; - if (stream->writing_root_p) - objc_error (nil, OBJC_ERR_RECURSE_ROOT, - "objc_write_root_object called recursively"); - else - { - stream->writing_root_p = 1; - __objc_write_extension (stream, _BX_OBJROOT); - if ((len = objc_write_object (stream, object))) - __objc_finish_write_root_object (stream); - stream->writing_root_p = 0; - } - return len; -} - -int -objc_write_object (struct objc_typed_stream *stream, id object) -{ - unsigned long key; - if ((key = PTR2LONG(objc_hash_value_for_key (stream->object_table, object)))) - return objc_write_use_common (stream, key); - - else if (object == nil) - return objc_write_use_common (stream, 0); - - else - { - int length; - objc_hash_add (&stream->object_table, - LONG2PTR(key=PTR2LONG(object)), object); - if ((length = objc_write_register_common (stream, key))) - return __objc_write_object (stream, object); - return length; - } -} - -inline int -__objc_write_class (struct objc_typed_stream *stream, struct objc_class *class) -{ - __objc_write_extension (stream, _BX_CLASS); - objc_write_string_atomic (stream, (unsigned char *) class->name, - strlen ((char *) class->name)); - return objc_write_unsigned_long (stream, class->version); -} - - -static int -objc_write_class (struct objc_typed_stream *stream, - struct objc_class *class) -{ - unsigned long key; - if ((key = PTR2LONG(objc_hash_value_for_key (stream->stream_table, class)))) - return objc_write_use_common (stream, key); - else - { - int length; - objc_hash_add (&stream->stream_table, - LONG2PTR(key = PTR2LONG(class)), class); - if ((length = objc_write_register_common (stream, key))) - return __objc_write_class (stream, class); - return length; - } -} - - -inline int -__objc_write_selector (struct objc_typed_stream *stream, SEL selector) -{ - const char *sel_name; - __objc_write_extension (stream, _BX_SEL); - /* to handle NULL selectors */ - if ((SEL)0 == selector) - return objc_write_string (stream, (unsigned char*)"", 0); - sel_name = sel_get_name (selector); - return objc_write_string (stream, (unsigned char*)sel_name, strlen ((char*)sel_name)); -} - -int -objc_write_selector (struct objc_typed_stream *stream, SEL selector) -{ - const char *sel_name; - unsigned long key; - - /* to handle NULL selectors */ - if ((SEL)0 == selector) - return __objc_write_selector (stream, selector); - - sel_name = sel_get_name (selector); - if ((key = PTR2LONG(objc_hash_value_for_key (stream->stream_table, - sel_name)))) - return objc_write_use_common (stream, key); - else - { - int length; - objc_hash_add (&stream->stream_table, - LONG2PTR(key = PTR2LONG(sel_name)), (char *) sel_name); - if ((length = objc_write_register_common (stream, key))) - return __objc_write_selector (stream, selector); - return length; - } -} - - - -/* -** Read operations -*/ - -inline int -objc_read_char (struct objc_typed_stream *stream, char *val) -{ - unsigned char buf; - int len; - len = (*stream->read) (stream->physical, (char*)&buf, 1); - if (len != 0) - { - if ((buf & _B_CODE) == _B_SINT) - (*val) = (buf & _B_VALUE); - - else if ((buf & _B_NUMBER) == 1) - { - len = (*stream->read) (stream->physical, val, 1); - if (buf&_B_SIGN) - (*val) = -1 * (*val); - } - - else - objc_error (nil, OBJC_ERR_BAD_DATA, - "expected 8bit signed int, got %dbit int", - (int) (buf&_B_NUMBER)*8); - } - return len; -} - - -inline int -objc_read_unsigned_char (struct objc_typed_stream *stream, unsigned char *val) -{ - unsigned char buf; - int len; - if ((len = (*stream->read) (stream->physical, (char*)&buf, 1))) - { - if ((buf & _B_CODE) == _B_SINT) - (*val) = (buf & _B_VALUE); - - else if ((buf & _B_NUMBER) == 1) - len = (*stream->read) (stream->physical, (char*)val, 1); - - else - objc_error (nil, OBJC_ERR_BAD_DATA, - "expected 8bit unsigned int, got %dbit int", - (int) (buf&_B_NUMBER)*8); - } - return len; -} - -inline int -objc_read_short (struct objc_typed_stream *stream, short *value) -{ - unsigned char buf[sizeof (short) + 1]; - int len; - if ((len = (*stream->read) (stream->physical, (char*)buf, 1))) - { - if ((buf[0] & _B_CODE) == _B_SINT) - (*value) = (buf[0] & _B_VALUE); - - else - { - int pos = 1; - int nbytes = buf[0] & _B_NUMBER; - if (nbytes > (int) sizeof (short)) - objc_error (nil, OBJC_ERR_BAD_DATA, - "expected short, got bigger (%dbits)", nbytes*8); - len = (*stream->read) (stream->physical, (char*)buf + 1, nbytes); - (*value) = 0; - while (pos <= nbytes) - (*value) = ((*value)*0x100) + buf[pos++]; - if (buf[0] & _B_SIGN) - (*value) = -(*value); - } - } - return len; -} - -inline int -objc_read_unsigned_short (struct objc_typed_stream *stream, - unsigned short *value) -{ - unsigned char buf[sizeof (unsigned short) + 1]; - int len; - if ((len = (*stream->read) (stream->physical, (char*)buf, 1))) - { - if ((buf[0] & _B_CODE) == _B_SINT) - (*value) = (buf[0] & _B_VALUE); - - else - { - int pos = 1; - int nbytes = buf[0] & _B_NUMBER; - if (nbytes > (int) sizeof (short)) - objc_error (nil, OBJC_ERR_BAD_DATA, - "expected short, got int or bigger"); - len = (*stream->read) (stream->physical, (char*)buf + 1, nbytes); - (*value) = 0; - while (pos <= nbytes) - (*value) = ((*value)*0x100) + buf[pos++]; - } - } - return len; -} - - -inline int -objc_read_int (struct objc_typed_stream *stream, int *value) -{ - unsigned char buf[sizeof (int) + 1]; - int len; - if ((len = (*stream->read) (stream->physical, (char*)buf, 1))) - { - if ((buf[0] & _B_CODE) == _B_SINT) - (*value) = (buf[0] & _B_VALUE); - - else - { - int pos = 1; - int nbytes = buf[0] & _B_NUMBER; - if (nbytes > (int) sizeof (int)) - objc_error (nil, OBJC_ERR_BAD_DATA, "expected int, got bigger"); - len = (*stream->read) (stream->physical, (char*)buf + 1, nbytes); - (*value) = 0; - while (pos <= nbytes) - (*value) = ((*value)*0x100) + buf[pos++]; - if (buf[0] & _B_SIGN) - (*value) = -(*value); - } - } - return len; -} - -inline int -objc_read_long (struct objc_typed_stream *stream, long *value) -{ - unsigned char buf[sizeof (long) + 1]; - int len; - if ((len = (*stream->read) (stream->physical, (char*)buf, 1))) - { - if ((buf[0] & _B_CODE) == _B_SINT) - (*value) = (buf[0] & _B_VALUE); - - else - { - int pos = 1; - int nbytes = buf[0] & _B_NUMBER; - if (nbytes > (int) sizeof (long)) - objc_error (nil, OBJC_ERR_BAD_DATA, "expected long, got bigger"); - len = (*stream->read) (stream->physical, (char*)buf + 1, nbytes); - (*value) = 0; - while (pos <= nbytes) - (*value) = ((*value)*0x100) + buf[pos++]; - if (buf[0] & _B_SIGN) - (*value) = -(*value); - } - } - return len; -} - -inline int -__objc_read_nbyte_uint (struct objc_typed_stream *stream, - unsigned int nbytes, unsigned int *val) -{ - int len; - unsigned int pos = 0; - unsigned char buf[sizeof (unsigned int) + 1]; - - if (nbytes > sizeof (int)) - objc_error (nil, OBJC_ERR_BAD_DATA, "expected int, got bigger"); - - len = (*stream->read) (stream->physical, (char*)buf, nbytes); - (*val) = 0; - while (pos < nbytes) - (*val) = ((*val)*0x100) + buf[pos++]; - return len; -} - - -inline int -objc_read_unsigned_int (struct objc_typed_stream *stream, - unsigned int *value) -{ - unsigned char buf[sizeof (unsigned int) + 1]; - int len; - if ((len = (*stream->read) (stream->physical, (char*)buf, 1))) - { - if ((buf[0] & _B_CODE) == _B_SINT) - (*value) = (buf[0] & _B_VALUE); - - else - len = __objc_read_nbyte_uint (stream, (buf[0] & _B_VALUE), value); - - } - return len; -} - -int -__objc_read_nbyte_ulong (struct objc_typed_stream *stream, - unsigned int nbytes, unsigned long *val) -{ - int len; - unsigned int pos = 0; - unsigned char buf[sizeof (unsigned long) + 1]; - - if (nbytes > sizeof (long)) - objc_error (nil, OBJC_ERR_BAD_DATA, "expected long, got bigger"); - - len = (*stream->read) (stream->physical, (char*)buf, nbytes); - (*val) = 0; - while (pos < nbytes) - (*val) = ((*val)*0x100) + buf[pos++]; - return len; -} - - -inline int -objc_read_unsigned_long (struct objc_typed_stream *stream, - unsigned long *value) -{ - unsigned char buf[sizeof (unsigned long) + 1]; - int len; - if ((len = (*stream->read) (stream->physical, (char*)buf, 1))) - { - if ((buf[0] & _B_CODE) == _B_SINT) - (*value) = (buf[0] & _B_VALUE); - - else - len = __objc_read_nbyte_ulong (stream, (buf[0] & _B_VALUE), value); - - } - return len; -} - -inline int -objc_read_string (struct objc_typed_stream *stream, - char **string) -{ - unsigned char buf[sizeof (unsigned int) + 1]; - int len; - if ((len = (*stream->read) (stream->physical, (char*)buf, 1))) - { - unsigned long key = 0; - - if ((buf[0]&_B_CODE) == _B_RCOMM) /* register following */ - { - len = __objc_read_nbyte_ulong (stream, (buf[0] & _B_VALUE), &key); - len = (*stream->read) (stream->physical, (char*)buf, 1); - } - - switch (buf[0]&_B_CODE) { - case _B_SSTR: - { - int length = buf[0]&_B_VALUE; - (*string) = (char*)objc_malloc (length + 1); - if (key) - objc_hash_add (&stream->stream_table, LONG2PTR(key), *string); - len = (*stream->read) (stream->physical, *string, length); - (*string)[length] = '\0'; - } - break; - - case _B_UCOMM: - { - char *tmp; - len = __objc_read_nbyte_ulong (stream, (buf[0] & _B_VALUE), &key); - tmp = objc_hash_value_for_key (stream->stream_table, LONG2PTR (key)); - *string = objc_malloc (strlen (tmp) + 1); - strcpy (*string, tmp); - } - break; - - case _B_NSTR: - { - unsigned int nbytes = buf[0]&_B_VALUE; - len = __objc_read_nbyte_uint (stream, nbytes, &nbytes); - if (len) { - (*string) = (char*)objc_malloc (nbytes + 1); - if (key) - objc_hash_add (&stream->stream_table, LONG2PTR(key), *string); - len = (*stream->read) (stream->physical, *string, nbytes); - (*string)[nbytes] = '\0'; - } - } - break; - - default: - objc_error (nil, OBJC_ERR_BAD_DATA, - "expected string, got opcode %c\n", (buf[0]&_B_CODE)); - } - } - - return len; -} - - -int -objc_read_object (struct objc_typed_stream *stream, id *object) -{ - unsigned char buf[sizeof (unsigned int)]; - int len; - if ((len = (*stream->read) (stream->physical, (char*)buf, 1))) - { - SEL read_sel = sel_get_any_uid ("read:"); - unsigned long key = 0; - - if ((buf[0]&_B_CODE) == _B_RCOMM) /* register common */ - { - len = __objc_read_nbyte_ulong (stream, (buf[0] & _B_VALUE), &key); - len = (*stream->read) (stream->physical, (char*)buf, 1); - } - - if (buf[0] == (_B_EXT | _BX_OBJECT)) - { - Class class; - - /* get class */ - len = objc_read_class (stream, &class); - - /* create instance */ - (*object) = class_create_instance (class); - - /* register? */ - if (key) - objc_hash_add (&stream->object_table, LONG2PTR(key), *object); - - /* send -read: */ - if (__objc_responds_to (*object, read_sel)) - (*get_imp (class, read_sel)) (*object, read_sel, stream); - - /* check null-byte */ - len = (*stream->read) (stream->physical, (char*)buf, 1); - if (buf[0] != '\0') - objc_error (nil, OBJC_ERR_BAD_DATA, - "expected null-byte, got opcode %c", buf[0]); - } - - else if ((buf[0]&_B_CODE) == _B_UCOMM) - { - if (key) - objc_error (nil, OBJC_ERR_BAD_KEY, "cannot register use upcode..."); - len = __objc_read_nbyte_ulong (stream, (buf[0] & _B_VALUE), &key); - (*object) = objc_hash_value_for_key (stream->object_table, - LONG2PTR(key)); - } - - else if (buf[0] == (_B_EXT | _BX_OBJREF)) /* a forward reference */ - { - struct objc_list *other; - len = objc_read_unsigned_long (stream, &key); - other - = (struct objc_list *) objc_hash_value_for_key (stream->object_refs, - LONG2PTR(key)); - objc_hash_add (&stream->object_refs, LONG2PTR(key), - (void *)list_cons (object, other)); - } - - else if (buf[0] == (_B_EXT | _BX_OBJROOT)) /* a root object */ - { - if (key) - objc_error (nil, OBJC_ERR_BAD_KEY, - "cannot register root object..."); - len = objc_read_object (stream, object); - __objc_finish_read_root_object (stream); - } - - else - objc_error (nil, OBJC_ERR_BAD_DATA, - "expected object, got opcode %c", buf[0]); - } - return len; -} - -static int -objc_read_class (struct objc_typed_stream *stream, Class *class) -{ - unsigned char buf[sizeof (unsigned int)]; - int len; - if ((len = (*stream->read) (stream->physical, (char*)buf, 1))) - { - unsigned long key = 0; - - if ((buf[0]&_B_CODE) == _B_RCOMM) /* register following */ - { - len = __objc_read_nbyte_ulong (stream, (buf[0] & _B_VALUE), &key); - len = (*stream->read) (stream->physical, (char*)buf, 1); - } - - if (buf[0] == (_B_EXT | _BX_CLASS)) - { - char temp[1] = ""; - char *class_name = temp; - unsigned long version; - - /* get class */ - len = objc_read_string (stream, &class_name); - (*class) = objc_get_class (class_name); - objc_free (class_name); - - /* register */ - if (key) - objc_hash_add (&stream->stream_table, LONG2PTR(key), *class); - - objc_read_unsigned_long (stream, &version); - objc_hash_add (&stream->class_table, - (*class)->name, (void *) ((size_t) version)); - } - - else if ((buf[0]&_B_CODE) == _B_UCOMM) - { - if (key) - objc_error (nil, OBJC_ERR_BAD_KEY, "cannot register use upcode..."); - len = __objc_read_nbyte_ulong (stream, (buf[0] & _B_VALUE), &key); - *class = objc_hash_value_for_key (stream->stream_table, - LONG2PTR(key)); - if (! *class) - objc_error (nil, OBJC_ERR_BAD_CLASS, - "cannot find class for key %lu", key); - } - - else - objc_error (nil, OBJC_ERR_BAD_DATA, - "expected class, got opcode %c", buf[0]); - } - return len; -} - -int -objc_read_selector (struct objc_typed_stream *stream, SEL* selector) -{ - unsigned char buf[sizeof (unsigned int)]; - int len; - if ((len = (*stream->read) (stream->physical, (char*)buf, 1))) - { - unsigned long key = 0; - - if ((buf[0]&_B_CODE) == _B_RCOMM) /* register following */ - { - len = __objc_read_nbyte_ulong (stream, (buf[0] & _B_VALUE), &key); - len = (*stream->read) (stream->physical, (char*)buf, 1); - } - - if (buf[0] == (_B_EXT|_BX_SEL)) /* selector! */ - { - char temp[1] = ""; - char *selector_name = temp; - - /* get selector */ - len = objc_read_string (stream, &selector_name); - /* To handle NULL selectors */ - if (0 == strlen (selector_name)) - { - (*selector) = (SEL)0; - return 0; - } - else - (*selector) = sel_get_any_uid (selector_name); - objc_free (selector_name); - - /* register */ - if (key) - objc_hash_add (&stream->stream_table, - LONG2PTR(key), (void *) *selector); - } - - else if ((buf[0]&_B_CODE) == _B_UCOMM) - { - if (key) - objc_error (nil, OBJC_ERR_BAD_KEY, "cannot register use upcode..."); - len = __objc_read_nbyte_ulong (stream, (buf[0] & _B_VALUE), &key); - (*selector) = objc_hash_value_for_key (stream->stream_table, - LONG2PTR(key)); - } - - else - objc_error (nil, OBJC_ERR_BAD_DATA, - "expected selector, got opcode %c", buf[0]); - } - return len; -} - -/* -** USER LEVEL FUNCTIONS -*/ - -/* -** Write one object, encoded in TYPE and pointed to by DATA to the -** typed stream STREAM. -*/ - -int -objc_write_type (TypedStream *stream, const char *type, const void *data) -{ - switch (*type) { - case _C_ID: - return objc_write_object (stream, *(id *) data); - break; - - case _C_CLASS: - return objc_write_class (stream, *(Class *) data); - break; - - case _C_SEL: - return objc_write_selector (stream, *(SEL *) data); - break; - - case _C_CHR: - return objc_write_char (stream, *(signed char *) data); - break; - - case _C_UCHR: - return objc_write_unsigned_char (stream, *(unsigned char *) data); - break; - - case _C_SHT: - return objc_write_short (stream, *(short *) data); - break; - - case _C_USHT: - return objc_write_unsigned_short (stream, *(unsigned short *) data); - break; - - case _C_INT: - return objc_write_int (stream, *(int *) data); - break; - - case _C_UINT: - return objc_write_unsigned_int (stream, *(unsigned int *) data); - break; - - case _C_LNG: - return objc_write_long (stream, *(long *) data); - break; - - case _C_ULNG: - return objc_write_unsigned_long (stream, *(unsigned long *) data); - break; - - case _C_CHARPTR: - return objc_write_string (stream, - *(unsigned char **) data, strlen (*(char **) data)); - break; - - case _C_ATOM: - return objc_write_string_atomic (stream, *(unsigned char **) data, - strlen (*(char **) data)); - break; - - case _C_ARY_B: - { - int len = atoi (type + 1); - while (isdigit ((unsigned char) *++type)) - ; - return objc_write_array (stream, type, len, data); - } - break; - - case _C_STRUCT_B: - { - int acc_size = 0; - int align; - while (*type != _C_STRUCT_E && *type++ != '=') - ; /* skip "<name>=" */ - while (*type != _C_STRUCT_E) - { - align = objc_alignof_type (type); /* padd to alignment */ - acc_size = ROUND (acc_size, align); - objc_write_type (stream, type, ((char *) data) + acc_size); - acc_size += objc_sizeof_type (type); /* add component size */ - type = objc_skip_typespec (type); /* skip component */ - } - return 1; - } - - default: - { - objc_error (nil, OBJC_ERR_BAD_TYPE, - "objc_write_type: cannot parse typespec: %s\n", type); - return 0; - } - } -} - -/* -** Read one object, encoded in TYPE and pointed to by DATA to the -** typed stream STREAM. DATA specifies the address of the types to -** read. Expected type is checked against the type actually present -** on the stream. -*/ - -int -objc_read_type(TypedStream *stream, const char *type, void *data) -{ - char c; - switch (c = *type) { - case _C_ID: - return objc_read_object (stream, (id*)data); - break; - - case _C_CLASS: - return objc_read_class (stream, (Class*)data); - break; - - case _C_SEL: - return objc_read_selector (stream, (SEL*)data); - break; - - case _C_CHR: - return objc_read_char (stream, (char*)data); - break; - - case _C_UCHR: - return objc_read_unsigned_char (stream, (unsigned char*)data); - break; - - case _C_SHT: - return objc_read_short (stream, (short*)data); - break; - - case _C_USHT: - return objc_read_unsigned_short (stream, (unsigned short*)data); - break; - - case _C_INT: - return objc_read_int (stream, (int*)data); - break; - - case _C_UINT: - return objc_read_unsigned_int (stream, (unsigned int*)data); - break; - - case _C_LNG: - return objc_read_long (stream, (long*)data); - break; - - case _C_ULNG: - return objc_read_unsigned_long (stream, (unsigned long*)data); - break; - - case _C_CHARPTR: - case _C_ATOM: - return objc_read_string (stream, (char**)data); - break; - - case _C_ARY_B: - { - int len = atoi (type + 1); - while (isdigit ((unsigned char) *++type)) - ; - return objc_read_array (stream, type, len, data); - } - break; - - case _C_STRUCT_B: - { - int acc_size = 0; - int align; - while (*type != _C_STRUCT_E && *type++ != '=') - ; /* skip "<name>=" */ - while (*type != _C_STRUCT_E) - { - align = objc_alignof_type (type); /* padd to alignment */ - acc_size = ROUND (acc_size, align); - objc_read_type (stream, type, ((char*)data)+acc_size); - acc_size += objc_sizeof_type (type); /* add component size */ - type = objc_skip_typespec (type); /* skip component */ - } - return 1; - } - - default: - { - objc_error (nil, OBJC_ERR_BAD_TYPE, - "objc_read_type: cannot parse typespec: %s\n", type); - return 0; - } - } -} - -/* -** Write the object specified by the template TYPE to STREAM. Last -** arguments specify addresses of values to be written. It might -** seem surprising to specify values by address, but this is extremely -** convenient for copy-paste with objc_read_types calls. A more -** down-to-the-earth cause for this passing of addresses is that values -** of arbitrary size is not well supported in ANSI C for functions with -** variable number of arguments. -*/ - -int -objc_write_types (TypedStream *stream, const char *type, ...) -{ - va_list args; - const char *c; - int res = 0; - - va_start(args, type); - - for (c = type; *c; c = objc_skip_typespec (c)) - { - switch (*c) { - case _C_ID: - res = objc_write_object (stream, *va_arg (args, id*)); - break; - - case _C_CLASS: - res = objc_write_class (stream, *va_arg (args, Class*)); - break; - - case _C_SEL: - res = objc_write_selector (stream, *va_arg (args, SEL*)); - break; - - case _C_CHR: - res = objc_write_char (stream, *va_arg (args, char*)); - break; - - case _C_UCHR: - res = objc_write_unsigned_char (stream, - *va_arg (args, unsigned char*)); - break; - - case _C_SHT: - res = objc_write_short (stream, *va_arg (args, short*)); - break; - - case _C_USHT: - res = objc_write_unsigned_short (stream, - *va_arg (args, unsigned short*)); - break; - - case _C_INT: - res = objc_write_int(stream, *va_arg (args, int*)); - break; - - case _C_UINT: - res = objc_write_unsigned_int(stream, *va_arg (args, unsigned int*)); - break; - - case _C_LNG: - res = objc_write_long(stream, *va_arg (args, long*)); - break; - - case _C_ULNG: - res = objc_write_unsigned_long(stream, *va_arg (args, unsigned long*)); - break; - - case _C_CHARPTR: - { - unsigned char **str = va_arg (args, unsigned char **); - res = objc_write_string (stream, *str, strlen ((char*)*str)); - } - break; - - case _C_ATOM: - { - unsigned char **str = va_arg (args, unsigned char **); - res = objc_write_string_atomic (stream, *str, strlen ((char*)*str)); - } - break; - - case _C_ARY_B: - { - int len = atoi (c + 1); - const char *t = c; - while (isdigit ((unsigned char) *++t)) - ; - res = objc_write_array (stream, t, len, va_arg (args, void *)); - t = objc_skip_typespec (t); - if (*t != _C_ARY_E) - objc_error (nil, OBJC_ERR_BAD_TYPE, "expected `]', got: %s", t); - } - break; - - default: - objc_error (nil, OBJC_ERR_BAD_TYPE, - "objc_write_types: cannot parse typespec: %s\n", type); - } - } - va_end(args); - return res; -} - - -/* -** Last arguments specify addresses of values to be read. Expected -** type is checked against the type actually present on the stream. -*/ - -int -objc_read_types(TypedStream *stream, const char *type, ...) -{ - va_list args; - const char *c; - int res = 0; - - va_start (args, type); - - for (c = type; *c; c = objc_skip_typespec(c)) - { - switch (*c) { - case _C_ID: - res = objc_read_object(stream, va_arg (args, id*)); - break; - - case _C_CLASS: - res = objc_read_class(stream, va_arg (args, Class*)); - break; - - case _C_SEL: - res = objc_read_selector(stream, va_arg (args, SEL*)); - break; - - case _C_CHR: - res = objc_read_char(stream, va_arg (args, char*)); - break; - - case _C_UCHR: - res = objc_read_unsigned_char(stream, va_arg (args, unsigned char*)); - break; - - case _C_SHT: - res = objc_read_short(stream, va_arg (args, short*)); - break; - - case _C_USHT: - res = objc_read_unsigned_short(stream, va_arg (args, unsigned short*)); - break; - - case _C_INT: - res = objc_read_int(stream, va_arg (args, int*)); - break; - - case _C_UINT: - res = objc_read_unsigned_int(stream, va_arg (args, unsigned int*)); - break; - - case _C_LNG: - res = objc_read_long(stream, va_arg (args, long*)); - break; - - case _C_ULNG: - res = objc_read_unsigned_long(stream, va_arg (args, unsigned long*)); - break; - - case _C_CHARPTR: - case _C_ATOM: - { - char **str = va_arg (args, char **); - res = objc_read_string (stream, str); - } - break; - - case _C_ARY_B: - { - int len = atoi (c + 1); - const char *t = c; - while (isdigit ((unsigned char) *++t)) - ; - res = objc_read_array (stream, t, len, va_arg (args, void *)); - t = objc_skip_typespec (t); - if (*t != _C_ARY_E) - objc_error (nil, OBJC_ERR_BAD_TYPE, "expected `]', got: %s", t); - } - break; - - default: - objc_error (nil, OBJC_ERR_BAD_TYPE, - "objc_read_types: cannot parse typespec: %s\n", type); - } - } - va_end (args); - return res; -} - -/* -** Write an array of COUNT elements of TYPE from the memory address DATA. -** This is equivalent of objc_write_type (stream, "[N<type>]", data) -*/ - -int -objc_write_array (TypedStream *stream, const char *type, - int count, const void *data) -{ - int off = objc_sizeof_type(type); - const char *where = data; - - while (count-- > 0) - { - objc_write_type(stream, type, where); - where += off; - } - return 1; -} - -/* -** Read an array of COUNT elements of TYPE into the memory address -** DATA. The memory pointed to by data is supposed to be allocated -** by the callee. This is equivalent of -** objc_read_type (stream, "[N<type>]", data) -*/ - -int -objc_read_array (TypedStream *stream, const char *type, - int count, void *data) -{ - int off = objc_sizeof_type(type); - char *where = (char*)data; - - while (count-- > 0) - { - objc_read_type(stream, type, where); - where += off; - } - return 1; -} - -static int -__objc_fread (FILE *file, char *data, int len) -{ - return fread(data, len, 1, file); -} - -static int -__objc_fwrite (FILE *file, char *data, int len) -{ - return fwrite(data, len, 1, file); -} - -static int -__objc_feof (FILE *file) -{ - return feof(file); -} - -static int -__objc_no_write (FILE *file __attribute__ ((__unused__)), - const char *data __attribute__ ((__unused__)), - int len __attribute__ ((__unused__))) -{ - objc_error (nil, OBJC_ERR_NO_WRITE, "TypedStream not open for writing"); - return 0; -} - -static int -__objc_no_read (FILE *file __attribute__ ((__unused__)), - const char *data __attribute__ ((__unused__)), - int len __attribute__ ((__unused__))) -{ - objc_error (nil, OBJC_ERR_NO_READ, "TypedStream not open for reading"); - return 0; -} - -static int -__objc_read_typed_stream_signature (TypedStream *stream) -{ - char buffer[80]; - int pos = 0; - do - (*stream->read) (stream->physical, buffer+pos, 1); - while (buffer[pos++] != '\0') - ; - sscanf (buffer, "GNU TypedStream %d", &stream->version); - if (stream->version != OBJC_TYPED_STREAM_VERSION) - objc_error (nil, OBJC_ERR_STREAM_VERSION, - "cannot handle TypedStream version %d", stream->version); - return 1; -} - -static int -__objc_write_typed_stream_signature (TypedStream *stream) -{ - char buffer[80]; - sprintf(buffer, "GNU TypedStream %d", OBJC_TYPED_STREAM_VERSION); - stream->version = OBJC_TYPED_STREAM_VERSION; - (*stream->write) (stream->physical, buffer, strlen (buffer) + 1); - return 1; -} - -static void __objc_finish_write_root_object(struct objc_typed_stream *stream) -{ - objc_hash_delete (stream->object_table); - stream->object_table = objc_hash_new (64, - (hash_func_type) objc_hash_ptr, - (compare_func_type) objc_compare_ptrs); -} - -static void __objc_finish_read_root_object(struct objc_typed_stream *stream) -{ - node_ptr node; - SEL awake_sel = sel_get_any_uid ("awake"); - cache_ptr free_list = objc_hash_new (64, - (hash_func_type) objc_hash_ptr, - (compare_func_type) objc_compare_ptrs); - - /* resolve object forward references */ - for (node = objc_hash_next (stream->object_refs, NULL); node; - node = objc_hash_next (stream->object_refs, node)) - { - struct objc_list *reflist = node->value; - const void *key = node->key; - id object = objc_hash_value_for_key (stream->object_table, key); - while (reflist) - { - *((id*) reflist->head) = object; - if (objc_hash_value_for_key (free_list,reflist) == NULL) - objc_hash_add (&free_list,reflist,reflist); - - reflist = reflist->tail; - } - } - - /* apply __objc_free to all objects stored in free_list */ - for (node = objc_hash_next (free_list, NULL); node; - node = objc_hash_next (free_list, node)) - objc_free ((void *) node->key); - - objc_hash_delete (free_list); - - /* empty object reference table */ - objc_hash_delete (stream->object_refs); - stream->object_refs = objc_hash_new (8, (hash_func_type) objc_hash_ptr, - (compare_func_type) objc_compare_ptrs); - - /* call -awake for all objects read */ - if (awake_sel) - { - for (node = objc_hash_next (stream->object_table, NULL); node; - node = objc_hash_next (stream->object_table, node)) - { - id object = node->value; - if (__objc_responds_to (object, awake_sel)) - (*objc_msg_lookup (object, awake_sel)) (object, awake_sel); - } - } - - /* empty object table */ - objc_hash_delete (stream->object_table); - stream->object_table = objc_hash_new(64, - (hash_func_type)objc_hash_ptr, - (compare_func_type)objc_compare_ptrs); -} - -/* -** Open the stream PHYSICAL in MODE -*/ - -TypedStream * -objc_open_typed_stream (FILE *physical, int mode) -{ - TypedStream *s = (TypedStream *) objc_malloc (sizeof (TypedStream)); - - s->mode = mode; - s->physical = physical; - s->stream_table = objc_hash_new (64, - (hash_func_type) objc_hash_ptr, - (compare_func_type) objc_compare_ptrs); - s->object_table = objc_hash_new (64, - (hash_func_type) objc_hash_ptr, - (compare_func_type) objc_compare_ptrs); - s->eof = (objc_typed_eof_func) __objc_feof; - s->flush = (objc_typed_flush_func) fflush; - s->writing_root_p = 0; - if (mode == OBJC_READONLY) - { - s->class_table - = objc_hash_new (8, (hash_func_type) objc_hash_string, - (compare_func_type) objc_compare_strings); - s->object_refs = objc_hash_new (8, (hash_func_type) objc_hash_ptr, - (compare_func_type) objc_compare_ptrs); - s->read = (objc_typed_read_func) __objc_fread; - s->write = (objc_typed_write_func) __objc_no_write; - __objc_read_typed_stream_signature (s); - } - else if (mode == OBJC_WRITEONLY) - { - s->class_table = 0; - s->object_refs = 0; - s->read = (objc_typed_read_func) __objc_no_read; - s->write = (objc_typed_write_func) __objc_fwrite; - __objc_write_typed_stream_signature (s); - } - else - { - objc_close_typed_stream (s); - return NULL; - } - s->type = OBJC_FILE_STREAM; - return s; -} - -/* -** Open the file named by FILE_NAME in MODE -*/ - -TypedStream* -objc_open_typed_stream_for_file (const char *file_name, int mode) -{ - FILE *file = NULL; - TypedStream *s; - - if (mode == OBJC_READONLY) - file = fopen (file_name, "r"); - else - file = fopen (file_name, "w"); - - if (file) - { - s = objc_open_typed_stream (file, mode); - if (s) - s->type |= OBJC_MANAGED_STREAM; - return s; - } - else - return NULL; -} - -/* -** Close STREAM freeing the structure it self. If it was opened with -** objc_open_typed_stream_for_file, the file will also be closed. -*/ - -void -objc_close_typed_stream (TypedStream *stream) -{ - if (stream->mode == OBJC_READONLY) - { - __objc_finish_read_root_object (stream); /* Just in case... */ - objc_hash_delete (stream->class_table); - objc_hash_delete (stream->object_refs); - } - - objc_hash_delete (stream->stream_table); - objc_hash_delete (stream->object_table); - - if (stream->type == (OBJC_MANAGED_STREAM | OBJC_FILE_STREAM)) - fclose ((FILE *)stream->physical); - - objc_free(stream); -} - -BOOL -objc_end_of_typed_stream (TypedStream *stream) -{ - return (*stream->eof) (stream->physical); -} - -void -objc_flush_typed_stream (TypedStream *stream) -{ - (*stream->flush) (stream->physical); -} - -long -objc_get_stream_class_version (TypedStream *stream, Class class) -{ - if (stream->class_table) - return PTR2LONG(objc_hash_value_for_key (stream->class_table, - class->name)); - else - return class_get_version (class); -} - diff --git a/gcc-4.4.3/libobjc/class.c b/gcc-4.4.3/libobjc/class.c deleted file mode 100644 index 58f23194a..000000000 --- a/gcc-4.4.3/libobjc/class.c +++ /dev/null @@ -1,702 +0,0 @@ -/* GNU Objective C Runtime class related functions - Copyright (C) 1993, 1995, 1996, 1997, 2001, 2002, 2009 - Free Software Foundation, Inc. - Contributed by Kresten Krab Thorup and Dennis Glatting. - - Lock-free class table code designed and written from scratch by - Nicola Pero, 2001. - -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 -<http://www.gnu.org/licenses/>. */ - -/* - 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/runtime.h" /* the kitchen sink */ -#include "objc/sarray.h" - -#include "objc/objc.h" -#include "objc/objc-api.h" -#include "objc/thr.h" - -/* 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. */ -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); -} - -/* Replace a class in the table (used only by poseAs:). */ -static void -class_table_replace (Class old_class_pointer, Class new_class_pointer) -{ - int hash; - class_node_ptr node; - - objc_mutex_lock (__class_table_lock); - - hash = 0; - node = class_table_array[hash]; - - while (hash < CLASS_TABLE_SIZE) - { - if (node == NULL) - { - hash++; - if (hash < CLASS_TABLE_SIZE) - { - node = class_table_array[hash]; - } - } - else - { - Class class1 = node->pointer; - - if (class1 == old_class_pointer) - { - node->pointer = new_class_pointer; - } - node = node->next; - } - } - - 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. */ -Class (*_objc_lookup_class) (const char *name) = 0; /* !T:SAFE */ - - -/* 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. */ -void -__objc_add_class_to_hash (Class class) -{ - Class h_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. */ - h_class = class_table_get_safe (class->name); - if (! h_class) - { - /* 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); -} - -/* 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, nil is returned. */ -Class -objc_lookup_class (const char *name) -{ - Class class; - - class = class_table_get_safe (name); - - if (class) - return class; - - if (_objc_lookup_class) - return (*_objc_lookup_class) (name); - else - return 0; -} - -/* 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_lookup_class) - class = (*_objc_lookup_class) (name); - - if (class) - return class; - - objc_error (nil, OBJC_ERR_BAD_CLASS, - "objc runtime: cannot find class %s\n", name); - return 0; -} - -MetaClass -objc_get_meta_class (const char *name) -{ - return objc_get_class (name)->class_pointer; -} - -/* This function provides a way to enumerate all the classes in the - executable. Pass *ENUM_STATE == NULL to start the enumeration. The - function will return 0 when there are no more classes. - For example: - id class; - void *es = NULL; - while ((class = objc_next_class (&es))) - ... do something with class; -*/ -Class -objc_next_class (void **enum_state) -{ - Class class; - - objc_mutex_lock (__objc_runtime_mutex); - - /* Make sure the table is there. */ - assert (__class_table_lock); - - class = class_table_next ((struct class_table_enumerator **) enum_state); - - objc_mutex_unlock (__objc_runtime_mutex); - - return class; -} - -/* 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); -} - - - -#define CLASSOF(c) ((c)->class_pointer) - -Class -class_pose_as (Class impostor, Class super_class) -{ - if (! CLS_ISRESOLV (impostor)) - __objc_resolve_class_links (); - - /* Preconditions */ - assert (impostor); - assert (super_class); - assert (impostor->super_class == super_class); - assert (CLS_ISCLASS (impostor)); - assert (CLS_ISCLASS (super_class)); - assert (impostor->instance_size == super_class->instance_size); - - { - Class *subclass = &(super_class->subclass_list); - - /* Move subclasses of super_class to impostor. */ - while (*subclass) - { - Class nextSub = (*subclass)->sibling_class; - - if (*subclass != impostor) - { - Class sub = *subclass; - - /* Classes */ - sub->sibling_class = impostor->subclass_list; - sub->super_class = impostor; - impostor->subclass_list = sub; - - /* It will happen that SUB is not a class object if it is - the top of the meta class hierarchy chain (root - meta-class objects inherit their class object). If - that is the case... don't mess with the meta-meta - class. */ - if (CLS_ISCLASS (sub)) - { - /* Meta classes */ - CLASSOF (sub)->sibling_class = - CLASSOF (impostor)->subclass_list; - CLASSOF (sub)->super_class = CLASSOF (impostor); - CLASSOF (impostor)->subclass_list = CLASSOF (sub); - } - } - - *subclass = nextSub; - } - - /* Set subclasses of superclass to be impostor only. */ - super_class->subclass_list = impostor; - CLASSOF (super_class)->subclass_list = CLASSOF (impostor); - - /* Set impostor to have no sibling classes. */ - impostor->sibling_class = 0; - CLASSOF (impostor)->sibling_class = 0; - } - - /* Check relationship of impostor and super_class is kept. */ - assert (impostor->super_class == super_class); - assert (CLASSOF (impostor)->super_class == CLASSOF (super_class)); - - /* This is how to update the lookup table. Regardless of what the - keys of the hashtable is, change all values that are superclass - into impostor. */ - - objc_mutex_lock (__objc_runtime_mutex); - - class_table_replace (super_class, impostor); - - objc_mutex_unlock (__objc_runtime_mutex); - - /* Next, we update the dispatch tables... */ - __objc_update_dispatch_table_for_class (CLASSOF (impostor)); - __objc_update_dispatch_table_for_class (impostor); - - return impostor; -} diff --git a/gcc-4.4.3/libobjc/config.h.in b/gcc-4.4.3/libobjc/config.h.in deleted file mode 100644 index ab710ac1a..000000000 --- a/gcc-4.4.3/libobjc/config.h.in +++ /dev/null @@ -1,65 +0,0 @@ -/* config.h.in. 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- void *address; -} -lt__PROGRAM__LTX_preloaded_symbols[] = -{ - { "@PROGRAM@", (void *) 0 }, -_LT_EOF - $SED "s/^$symcode$symcode* \(.*\) \(.*\)$/ {\"\2\", (void *) \&\2},/" < "$nlist" | $GREP -v main >> conftest.$ac_ext - cat <<\_LT_EOF >> conftest.$ac_ext - {0, (void *) 0} -}; - -/* This works around a problem in FreeBSD linker */ -#ifdef FREEBSD_WORKAROUND -static const void *lt_preloaded_setup() { - return lt__PROGRAM__LTX_preloaded_symbols; -} -#endif - -#ifdef __cplusplus -} -#endif -_LT_EOF - # Now try linking the two files. - mv conftest.$ac_objext conftstm.$ac_objext - lt_save_LIBS="$LIBS" - lt_save_CFLAGS="$CFLAGS" - LIBS="conftstm.$ac_objext" - CFLAGS="$CFLAGS$lt_prog_compiler_no_builtin_flag" - if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 - (eval $ac_link) 2>&5 - ac_status=$? - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } && test -s conftest${ac_exeext}; then - pipe_works=yes - fi - LIBS="$lt_save_LIBS" - CFLAGS="$lt_save_CFLAGS" - else - echo "cannot find nm_test_func in $nlist" >&5 - fi - else - echo "cannot find nm_test_var in $nlist" >&5 - fi - else - echo "cannot run $lt_cv_sys_global_symbol_pipe" >&5 - fi - else - echo "$progname: failed program was:" >&5 - cat conftest.$ac_ext >&5 - fi - rm -rf conftest* conftst* - - # Do not use the global_symbol_pipe unless it works. - if test "$pipe_works" = yes; 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}; then - case `/usr/bin/file conftest.$ac_objext` in - *ELF-32*) - HPUX_IA64_MODE="32" - ;; - *ELF-64*) - HPUX_IA64_MODE="64" - ;; - esac - fi - rm -rf conftest* - ;; -*-*-irix6*) - # Find out which ABI we are using. - echo '#line 5016 "configure"' > conftest.$ac_ext - if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 - (eval $ac_compile) 2>&5 - ac_status=$? - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); }; then - if test "$lt_cv_prog_gnu_ld" = yes; then - case `/usr/bin/file conftest.$ac_objext` in - *32-bit*) - LD="${LD-ld} -melf32bsmip" - ;; - *N32*) - LD="${LD-ld} -melf32bmipn32" - ;; - *64-bit*) - LD="${LD-ld} -melf64bmip" - ;; - esac - else - case `/usr/bin/file conftest.$ac_objext` in - *32-bit*) - LD="${LD-ld} -32" - ;; - *N32*) - LD="${LD-ld} -n32" - ;; - *64-bit*) - LD="${LD-ld} -64" - ;; - esac - fi - fi - rm -rf conftest* - ;; - -x86_64-*kfreebsd*-gnu|x86_64-*linux*|ppc*-*linux*|powerpc*-*linux*| \ -s390*-*linux*|s390*-*tpf*|sparc*-*linux*) - # Find out which ABI we are using. - echo 'int i;' > conftest.$ac_ext - if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 - (eval $ac_compile) 2>&5 - ac_status=$? - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); }; then - case `/usr/bin/file conftest.o` in - *32-bit*) - case $host in - x86_64-*kfreebsd*-gnu) - LD="${LD-ld} -m elf_i386_fbsd" - ;; - x86_64-*linux*) - LD="${LD-ld} -m elf_i386" - ;; - ppc64-*linux*|powerpc64-*linux*) - LD="${LD-ld} -m elf32ppclinux" - ;; - s390x-*linux*) - LD="${LD-ld} -m elf_s390" - ;; - sparc64-*linux*) - LD="${LD-ld} -m elf32_sparc" - ;; - esac - ;; - *64-bit*) - case $host in - x86_64-*kfreebsd*-gnu) - LD="${LD-ld} -m elf_x86_64_fbsd" - ;; - x86_64-*linux*) - LD="${LD-ld} -m elf_x86_64" - ;; - ppc*-*linux*|powerpc*-*linux*) - LD="${LD-ld} -m elf64ppc" - ;; - s390*-*linux*|s390*-*tpf*) - LD="${LD-ld} -m elf64_s390" - ;; - sparc*-*linux*) - LD="${LD-ld} -m elf64_sparc" - ;; - esac - ;; - esac - fi - rm -rf conftest* - ;; - -*-*-sco3.2v5*) - # On SCO OpenServer 5, we need -belf to get full-featured binaries. - SAVE_CFLAGS="$CFLAGS" - CFLAGS="$CFLAGS -belf" - echo "$as_me:$LINENO: checking whether the C compiler needs -belf" >&5 -echo $ECHO_N "checking whether the C compiler needs -belf... $ECHO_C" >&6 -if test "${lt_cv_cc_needs_belf+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 -else - ac_ext=c -ac_cpp='$CPP $CPPFLAGS' -ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' -ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' -ac_compiler_gnu=$ac_cv_c_compiler_gnu - - if test x$gcc_no_link = xyes; then - { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5 -echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;} - { (exit 1); exit 1; }; } -fi -cat >conftest.$ac_ext <<_ACEOF -/* confdefs.h. */ -_ACEOF -cat confdefs.h >>conftest.$ac_ext -cat >>conftest.$ac_ext <<_ACEOF -/* end confdefs.h. */ - -int -main () -{ - - ; - return 0; -} -_ACEOF -rm -f conftest.$ac_objext conftest$ac_exeext -if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 - (eval $ac_link) 2>conftest.er1 - ac_status=$? - grep -v '^ *+' conftest.er1 >conftest.err - rm -f conftest.er1 - cat conftest.err >&5 - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' - { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 - (eval $ac_try) 2>&5 - ac_status=$? - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); }; } && - { ac_try='test -s conftest$ac_exeext' - { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 - (eval $ac_try) 2>&5 - ac_status=$? - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); }; }; then - lt_cv_cc_needs_belf=yes -else - echo "$as_me: failed program was:" >&5 -sed 's/^/| /' conftest.$ac_ext >&5 - -lt_cv_cc_needs_belf=no -fi -rm -f conftest.err conftest.$ac_objext \ - conftest$ac_exeext conftest.$ac_ext - ac_ext=c -ac_cpp='$CPP $CPPFLAGS' -ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' -ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' -ac_compiler_gnu=$ac_cv_c_compiler_gnu - -fi -echo "$as_me:$LINENO: result: $lt_cv_cc_needs_belf" >&5 -echo "${ECHO_T}$lt_cv_cc_needs_belf" >&6 - if test x"$lt_cv_cc_needs_belf" != x"yes"; then - # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf - CFLAGS="$SAVE_CFLAGS" - fi - ;; -sparc*-*solaris*) - # Find out which ABI we are using. - echo 'int i;' > conftest.$ac_ext - if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 - (eval $ac_compile) 2>&5 - ac_status=$? - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); }; then - case `/usr/bin/file conftest.o` in - *64-bit*) - case $lt_cv_prog_gnu_ld in - yes*) LD="${LD-ld} -m elf64_sparc" ;; - *) - if ${LD-ld} -64 -r -o conftest2.o conftest.o >/dev/null 2>&1; then - LD="${LD-ld} -64" - fi - ;; - esac - ;; - esac - fi - rm -rf conftest* - ;; -esac - -need_locks="$enable_libtool_lock" - - - case $host_os in - rhapsody* | darwin*) - if test -n "$ac_tool_prefix"; then - # Extract the first word of "${ac_tool_prefix}dsymutil", so it can be a program name with args. -set dummy ${ac_tool_prefix}dsymutil; ac_word=$2 -echo "$as_me:$LINENO: checking for $ac_word" >&5 -echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 -if test "${ac_cv_prog_DSYMUTIL+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 -else - if test -n "$DSYMUTIL"; then - ac_cv_prog_DSYMUTIL="$DSYMUTIL" # Let the user override the test. -else -as_save_IFS=$IFS; IFS=$PATH_SEPARATOR -for as_dir in $PATH -do - IFS=$as_save_IFS - test -z "$as_dir" && as_dir=. - for ac_exec_ext in '' $ac_executable_extensions; do - if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then - ac_cv_prog_DSYMUTIL="${ac_tool_prefix}dsymutil" - echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 - break 2 - fi -done -done - -fi -fi -DSYMUTIL=$ac_cv_prog_DSYMUTIL -if test -n "$DSYMUTIL"; then - echo "$as_me:$LINENO: result: $DSYMUTIL" >&5 -echo "${ECHO_T}$DSYMUTIL" >&6 -else - echo "$as_me:$LINENO: result: no" >&5 -echo "${ECHO_T}no" >&6 -fi - -fi -if test -z "$ac_cv_prog_DSYMUTIL"; then - ac_ct_DSYMUTIL=$DSYMUTIL - # Extract the first word of "dsymutil", so it can be a program name with args. -set dummy dsymutil; ac_word=$2 -echo "$as_me:$LINENO: checking for $ac_word" >&5 -echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 -if test "${ac_cv_prog_ac_ct_DSYMUTIL+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 -else - if test -n "$ac_ct_DSYMUTIL"; then - ac_cv_prog_ac_ct_DSYMUTIL="$ac_ct_DSYMUTIL" # Let the user override the test. -else -as_save_IFS=$IFS; IFS=$PATH_SEPARATOR -for as_dir in $PATH -do - IFS=$as_save_IFS - test -z "$as_dir" && as_dir=. - for ac_exec_ext in '' $ac_executable_extensions; do - if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then - ac_cv_prog_ac_ct_DSYMUTIL="dsymutil" - echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 - break 2 - fi -done -done - - test -z "$ac_cv_prog_ac_ct_DSYMUTIL" && ac_cv_prog_ac_ct_DSYMUTIL=":" -fi -fi -ac_ct_DSYMUTIL=$ac_cv_prog_ac_ct_DSYMUTIL -if test -n "$ac_ct_DSYMUTIL"; then - echo "$as_me:$LINENO: result: $ac_ct_DSYMUTIL" >&5 -echo "${ECHO_T}$ac_ct_DSYMUTIL" >&6 -else - echo "$as_me:$LINENO: result: no" >&5 -echo "${ECHO_T}no" >&6 -fi - - DSYMUTIL=$ac_ct_DSYMUTIL -else - DSYMUTIL="$ac_cv_prog_DSYMUTIL" -fi - - if test -n "$ac_tool_prefix"; then - # Extract the first word of "${ac_tool_prefix}nmedit", so it can be a program name with args. -set dummy ${ac_tool_prefix}nmedit; ac_word=$2 -echo "$as_me:$LINENO: checking for $ac_word" >&5 -echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 -if test "${ac_cv_prog_NMEDIT+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 -else - if test -n "$NMEDIT"; then - ac_cv_prog_NMEDIT="$NMEDIT" # Let the user override the test. -else -as_save_IFS=$IFS; IFS=$PATH_SEPARATOR -for as_dir in $PATH -do - IFS=$as_save_IFS - test -z "$as_dir" && as_dir=. - for ac_exec_ext in '' $ac_executable_extensions; do - if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then - ac_cv_prog_NMEDIT="${ac_tool_prefix}nmedit" - echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 - break 2 - fi -done -done - -fi -fi -NMEDIT=$ac_cv_prog_NMEDIT -if test -n "$NMEDIT"; then - echo "$as_me:$LINENO: result: $NMEDIT" >&5 -echo "${ECHO_T}$NMEDIT" >&6 -else - echo "$as_me:$LINENO: result: no" >&5 -echo "${ECHO_T}no" >&6 -fi - -fi -if test -z "$ac_cv_prog_NMEDIT"; then - ac_ct_NMEDIT=$NMEDIT - # Extract the first word of "nmedit", so it can be a program name with args. -set dummy nmedit; ac_word=$2 -echo "$as_me:$LINENO: checking for $ac_word" >&5 -echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 -if test "${ac_cv_prog_ac_ct_NMEDIT+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 -else - if test -n "$ac_ct_NMEDIT"; then - ac_cv_prog_ac_ct_NMEDIT="$ac_ct_NMEDIT" # Let the user override the test. -else -as_save_IFS=$IFS; IFS=$PATH_SEPARATOR -for as_dir in $PATH -do - IFS=$as_save_IFS - test -z "$as_dir" && as_dir=. - for ac_exec_ext in '' $ac_executable_extensions; do - if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then - ac_cv_prog_ac_ct_NMEDIT="nmedit" - echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 - break 2 - fi -done -done - - test -z "$ac_cv_prog_ac_ct_NMEDIT" && ac_cv_prog_ac_ct_NMEDIT=":" -fi -fi -ac_ct_NMEDIT=$ac_cv_prog_ac_ct_NMEDIT -if test -n "$ac_ct_NMEDIT"; then - echo "$as_me:$LINENO: result: $ac_ct_NMEDIT" >&5 -echo "${ECHO_T}$ac_ct_NMEDIT" >&6 -else - echo "$as_me:$LINENO: result: no" >&5 -echo "${ECHO_T}no" >&6 -fi - - NMEDIT=$ac_ct_NMEDIT -else - NMEDIT="$ac_cv_prog_NMEDIT" -fi - - if test -n "$ac_tool_prefix"; then - # Extract the first word of "${ac_tool_prefix}lipo", so it can be a program name with args. -set dummy ${ac_tool_prefix}lipo; ac_word=$2 -echo "$as_me:$LINENO: checking for $ac_word" >&5 -echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 -if test "${ac_cv_prog_LIPO+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 -else - if test -n "$LIPO"; then - ac_cv_prog_LIPO="$LIPO" # Let the user override the test. -else -as_save_IFS=$IFS; IFS=$PATH_SEPARATOR -for as_dir in $PATH -do - IFS=$as_save_IFS - test -z "$as_dir" && as_dir=. - for ac_exec_ext in '' $ac_executable_extensions; do - if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then - ac_cv_prog_LIPO="${ac_tool_prefix}lipo" - echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 - break 2 - fi -done -done - -fi -fi -LIPO=$ac_cv_prog_LIPO -if test -n "$LIPO"; then - echo "$as_me:$LINENO: result: $LIPO" >&5 -echo "${ECHO_T}$LIPO" >&6 -else - echo "$as_me:$LINENO: result: no" >&5 -echo "${ECHO_T}no" >&6 -fi - -fi -if test -z "$ac_cv_prog_LIPO"; then - ac_ct_LIPO=$LIPO - # Extract the first word of "lipo", so it can be a program name with args. -set dummy lipo; ac_word=$2 -echo "$as_me:$LINENO: checking for $ac_word" >&5 -echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 -if test "${ac_cv_prog_ac_ct_LIPO+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 -else - if test -n "$ac_ct_LIPO"; then - ac_cv_prog_ac_ct_LIPO="$ac_ct_LIPO" # Let the user override the test. -else -as_save_IFS=$IFS; IFS=$PATH_SEPARATOR -for as_dir in $PATH -do - IFS=$as_save_IFS - test -z "$as_dir" && as_dir=. - for ac_exec_ext in '' $ac_executable_extensions; do - if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then - ac_cv_prog_ac_ct_LIPO="lipo" - echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 - break 2 - fi -done -done - - test -z "$ac_cv_prog_ac_ct_LIPO" && ac_cv_prog_ac_ct_LIPO=":" -fi -fi -ac_ct_LIPO=$ac_cv_prog_ac_ct_LIPO -if test -n "$ac_ct_LIPO"; then - echo "$as_me:$LINENO: result: $ac_ct_LIPO" >&5 -echo "${ECHO_T}$ac_ct_LIPO" >&6 -else - echo "$as_me:$LINENO: result: no" >&5 -echo "${ECHO_T}no" >&6 -fi - - LIPO=$ac_ct_LIPO -else - LIPO="$ac_cv_prog_LIPO" -fi - - if test -n "$ac_tool_prefix"; then - # Extract the first word of "${ac_tool_prefix}otool", so it can be a program name with args. -set dummy ${ac_tool_prefix}otool; ac_word=$2 -echo "$as_me:$LINENO: checking for $ac_word" >&5 -echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 -if test "${ac_cv_prog_OTOOL+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 -else - if test -n "$OTOOL"; then - ac_cv_prog_OTOOL="$OTOOL" # Let the user override the test. -else -as_save_IFS=$IFS; IFS=$PATH_SEPARATOR -for as_dir in $PATH -do - IFS=$as_save_IFS - test -z "$as_dir" && as_dir=. - for ac_exec_ext in '' $ac_executable_extensions; do - if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then - ac_cv_prog_OTOOL="${ac_tool_prefix}otool" - echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 - break 2 - fi -done -done - -fi -fi -OTOOL=$ac_cv_prog_OTOOL -if test -n "$OTOOL"; then - echo "$as_me:$LINENO: result: $OTOOL" >&5 -echo "${ECHO_T}$OTOOL" >&6 -else - echo "$as_me:$LINENO: result: no" >&5 -echo "${ECHO_T}no" >&6 -fi - -fi -if test -z "$ac_cv_prog_OTOOL"; then - ac_ct_OTOOL=$OTOOL - # Extract the first word of "otool", so it can be a program name with args. -set dummy otool; ac_word=$2 -echo "$as_me:$LINENO: checking for $ac_word" >&5 -echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 -if test "${ac_cv_prog_ac_ct_OTOOL+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 -else - if test -n "$ac_ct_OTOOL"; then - ac_cv_prog_ac_ct_OTOOL="$ac_ct_OTOOL" # Let the user override the test. -else -as_save_IFS=$IFS; IFS=$PATH_SEPARATOR -for as_dir in $PATH -do - IFS=$as_save_IFS - test -z "$as_dir" && as_dir=. - for ac_exec_ext in '' $ac_executable_extensions; do - if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then - ac_cv_prog_ac_ct_OTOOL="otool" - echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 - break 2 - fi -done -done - - test -z "$ac_cv_prog_ac_ct_OTOOL" && ac_cv_prog_ac_ct_OTOOL=":" -fi -fi -ac_ct_OTOOL=$ac_cv_prog_ac_ct_OTOOL -if test -n "$ac_ct_OTOOL"; then - echo "$as_me:$LINENO: result: $ac_ct_OTOOL" >&5 -echo "${ECHO_T}$ac_ct_OTOOL" >&6 -else - echo "$as_me:$LINENO: result: no" >&5 -echo "${ECHO_T}no" >&6 -fi - - OTOOL=$ac_ct_OTOOL -else - OTOOL="$ac_cv_prog_OTOOL" -fi - - if test -n "$ac_tool_prefix"; then - # Extract the first word of "${ac_tool_prefix}otool64", so it can be a program name with args. -set dummy ${ac_tool_prefix}otool64; ac_word=$2 -echo "$as_me:$LINENO: checking for $ac_word" >&5 -echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 -if test "${ac_cv_prog_OTOOL64+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 -else - if test -n "$OTOOL64"; then - ac_cv_prog_OTOOL64="$OTOOL64" # Let the user override the test. -else -as_save_IFS=$IFS; IFS=$PATH_SEPARATOR -for as_dir in $PATH -do - IFS=$as_save_IFS - test -z "$as_dir" && as_dir=. - for ac_exec_ext in '' $ac_executable_extensions; do - if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then - ac_cv_prog_OTOOL64="${ac_tool_prefix}otool64" - echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 - break 2 - fi -done -done - -fi -fi -OTOOL64=$ac_cv_prog_OTOOL64 -if test -n "$OTOOL64"; then - echo "$as_me:$LINENO: result: $OTOOL64" >&5 -echo "${ECHO_T}$OTOOL64" >&6 -else - echo "$as_me:$LINENO: result: no" >&5 -echo "${ECHO_T}no" >&6 -fi - -fi -if test -z "$ac_cv_prog_OTOOL64"; 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If necessary, install gcc now with -\`LANGUAGES=c', then the target library, then build with \`LANGUAGES=objc'.])]) - -AC_HEADER_STDC - -AC_CHECK_HEADERS(sched.h) - -# ----------- -# Miscellanea -# ----------- - -AC_MSG_CHECKING([for thread model used by GCC]) -target_thread_file=`$CC -v 2>&1 | sed -n 's/^Thread model: //p'` -AC_MSG_RESULT([$target_thread_file]) - -if test $target_thread_file != single; then - AC_DEFINE(HAVE_GTHR_DEFAULT, 1, - [Define if the compiler has a thread header that is non single.]) -fi - - -AC_MSG_CHECKING([for exception model to use]) -AC_LANG_PUSH(C) -AC_ARG_ENABLE(sjlj-exceptions, - AS_HELP_STRING([--enable-sjlj-exceptions], - [force use of builtin_setjmp for exceptions]), -[:], -[dnl Botheration. 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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 -<http://www.gnu.org/licenses/>. */ - -/* FIXME: This file has no business including tm.h. */ - -#include "tconfig.h" -#include "coretypes.h" -#include "tm.h" -#include "objc/objc-api.h" -#include "objc/encoding.h" -#include <stdlib.h> - -#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) - - -/* 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));}) -/* FIXME: The word 'fixme' is insufficient to explain the wrong-ness - of this next macro definition. */ -#define darwin_rs6000_special_round_type_align(S,C,S2) \ - rs6000_special_round_type_align(S,C,S2) - -/* - return the size of an object specified by type -*/ - -int -objc_sizeof_type (const char *type) -{ - /* Skip the variable name if any */ - if (*type == '"') - { - for (type++; *type++ != '"';) - /* do nothing */; - } - - 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_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_BFLD: - { - /* The new 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; - - default: - { - objc_error (nil, OBJC_ERR_BAD_TYPE, "unknown complex type %s\n", - type); - return 0; - } - } - } - - default: - { - objc_error (nil, OBJC_ERR_BAD_TYPE, "unknown type %s\n", type); - return 0; - } - } -} - - -/* - Return the alignment of an object specified by type -*/ - -int -objc_alignof_type (const char *type) -{ - /* Skip the variable name if any */ - if (*type == '"') - { - for (type++; *type++ != '"';) - /* do nothing */; - } - 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_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_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; - - default: - { - objc_error (nil, OBJC_ERR_BAD_TYPE, "unknown complex type %s\n", - type); - return 0; - } - } - } - - default: - { - objc_error (nil, OBJC_ERR_BAD_TYPE, "unknown type %s\n", type); - return 0; - } - } -} - -/* - The aligned size if the size rounded up to the nearest alignment. -*/ - -int -objc_aligned_size (const char *type) -{ - int size, align; - - /* Skip the variable name */ - if (*type == '"') - { - for (type++; *type++ != '"';) - /* do nothing */; - } - - size = objc_sizeof_type (type); - align = objc_alignof_type (type); - - return ROUND (size, align); -} - -/* - The size rounded up to the nearest integral of the wordsize, taken - to be the size of a void *. -*/ - -int -objc_promoted_size (const char *type) -{ - int size, wordsize; - - /* Skip the variable name */ - if (*type == '"') - { - for (type++; *type++ != '"';) - /* do nothing */; - } - - size = objc_sizeof_type (type); - wordsize = sizeof (void *); - - return ROUND (size, wordsize); -} - -/* - Skip type qualifiers. These may eventually precede typespecs - occurring in method prototype encodings. -*/ - -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; -} - - -/* - Skip one typespec element. If the typespec is prepended by type - qualifiers, these are skipped as well. -*/ - -const char * -objc_skip_typespec (const char *type) -{ - /* Skip the variable name if any */ - if (*type == '"') - { - for (type++; *type++ != '"';) - /* do nothing */; - } - - 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_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_error (nil, OBJC_ERR_BAD_TYPE, "bad array type %s\n", type); - return 0; - } - - case _C_BFLD: - /* The new 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_error (nil, OBJC_ERR_BAD_TYPE, "unknown type %s\n", type); - return 0; - } - } -} - -/* - Skip an offset as part of a method encoding. This is prepended by a - '+' if the argument is passed in registers. -*/ -inline const char * -objc_skip_offset (const char *type) -{ - if (*type == '+') - type++; - while (isdigit ((unsigned char) *++type)) - ; - return type; -} - -/* - Skip an argument specification of a method encoding. -*/ -const char * -objc_skip_argspec (const char *type) -{ - type = objc_skip_typespec (type); - type = objc_skip_offset (type); - return type; -} - -/* - Return the number of arguments that the method MTH expects. - Note that all methods need two implicit arguments `self' and - `_cmd'. -*/ -int -method_get_number_of_arguments (struct objc_method *mth) -{ - int i = 0; - const char *type = mth->method_types; - while (*type) - { - type = objc_skip_argspec (type); - i += 1; - } - return i - 1; -} - -/* - Return the size of the argument block needed on the stack to invoke - the method MTH. This may be zero, if all arguments are passed in - registers. -*/ - -int -method_get_sizeof_arguments (struct objc_method *mth) -{ - const char *type = objc_skip_typespec (mth->method_types); - return atoi (type); -} - -/* - Return a pointer to the next argument of ARGFRAME. type points to - the last argument. Typical use of this look like: - - { - char *datum, *type; - for (datum = method_get_first_argument (method, argframe, &type); - datum; datum = method_get_next_argument (argframe, &type)) - { - unsigned flags = objc_get_type_qualifiers (type); - type = objc_skip_type_qualifiers (type); - if (*type != _C_PTR) - [portal encodeData: datum ofType: type]; - else - { - if ((flags & _F_IN) == _F_IN) - [portal encodeData: *(char **) datum ofType: ++type]; - } - } - } -*/ - -char * -method_get_next_argument (arglist_t argframe, const char **type) -{ - const char *t = objc_skip_argspec (*type); - - if (*t == '\0') - return 0; - - *type = t; - t = objc_skip_typespec (t); - - if (*t == '+') - return argframe->arg_regs + atoi (++t); - else - return argframe->arg_ptr + atoi (t); -} - -/* - Return a pointer to the value of the first argument of the method - described in M with the given argumentframe ARGFRAME. The type - is returned in TYPE. type must be passed to successive calls of - method_get_next_argument. -*/ -char * -method_get_first_argument (struct objc_method *m, - arglist_t argframe, - const char **type) -{ - *type = m->method_types; - return method_get_next_argument (argframe, type); -} - -/* - Return a pointer to the ARGth argument of the method - M from the frame ARGFRAME. The type of the argument - is returned in the value-result argument TYPE -*/ - -char * -method_get_nth_argument (struct objc_method *m, - arglist_t argframe, int arg, - const char **type) -{ - const char *t = objc_skip_argspec (m->method_types); - - if (arg > method_get_number_of_arguments (m)) - return 0; - - while (arg--) - t = objc_skip_argspec (t); - - *type = t; - t = objc_skip_typespec (t); - - if (*t == '+') - return argframe->arg_regs + atoi (++t); - else - return argframe->arg_ptr + atoi (t); -} - -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_error (nil, OBJC_ERR_BAD_TYPE, - "record (or union) type expected in objc_layout_structure, got %s\n", - type); - } - - type ++; - layout->original_type = type; - - /* Skip "<name>=" 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 "<name>=", 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_size, 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_size = objc_sizeof_type (bfld_type) * BITS_PER_UNIT; - 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 */ - if (*layout->type == '"') - { - for (layout->type++; *layout->type++ != '"';) - /* do nothing */; - } - - 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_size = objc_sizeof_type (bfld_type) * BITS_PER_UNIT; - bfld_type_align = objc_alignof_type (bfld_type) * BITS_PER_UNIT; - bfld_field_size = atoi (objc_skip_typespec (bfld_type)); - } - -#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-4.4.3/libobjc/exception.c b/gcc-4.4.3/libobjc/exception.c deleted file mode 100644 index 0ac0b6662..000000000 --- a/gcc-4.4.3/libobjc/exception.c +++ /dev/null @@ -1,497 +0,0 @@ -/* The implementation of exception handling primitives for Objective-C. - Copyright (C) 2004, 2005, 2007, 2008, 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 -<http://www.gnu.org/licenses/>. */ - -#include <stdlib.h> -#include "config.h" -#include "objc/objc-api.h" -#include "unwind.h" -#include "unwind-pe.h" - - -#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; -}; - -/* This hook allows libraries to sepecify special actions when an - exception is thrown without a handler in place. - */ -void (*_objc_unexpected_exception) (id exception); /* !T:SAFE */ - -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) - { - 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; -} - -#ifdef __ARM_EABI_UNWINDER__ - -static Class -get_ttype_entry (struct lsda_header_info *info, _uleb128_t i) -{ - _Unwind_Ptr ptr; - - ptr = (_Unwind_Ptr) (info->TType - (i * 4)); - ptr = _Unwind_decode_target2 (ptr); - - if (ptr) - return objc_get_class ((const char *) ptr); - else - return 0; -} - -#else - -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. */ - if (ptr) - return objc_get_class ((const char *) ptr); - else - return 0; -} - -#endif - -/* Like unto the method of the same name on Object, but takes an id. */ -/* ??? Does this bork the meta-type system? Can/should we look up an - isKindOf method on the id? */ - -static int -isKindOf (id value, Class target) -{ - Class c; - - /* NULL target is catch-all. */ - if (target == 0) - return 1; - - for (c = value->class_pointer; c; c = class_get_super_class (c)) - if (c == target) - return 1; - 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 (isKindOf (xh->value, catch_type)) - { - 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 value) -{ - 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 = value; - -#ifdef SJLJ_EXCEPTIONS - _Unwind_SjLj_RaiseException (&header->base); -#else - _Unwind_RaiseException (&header->base); -#endif - - /* Some sort of unwinding error. */ - if (_objc_unexpected_exception != 0) - { - (*_objc_unexpected_exception) (value); - } - abort (); -} diff --git a/gcc-4.4.3/libobjc/gc.c b/gcc-4.4.3/libobjc/gc.c deleted file mode 100644 index 70b3af4d9..000000000 --- a/gcc-4.4.3/libobjc/gc.c +++ /dev/null @@ -1,452 +0,0 @@ -/* Basic data types for Objective C. - Copyright (C) 1998, 2002, 2004, 2005, 2006, 2009 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 -<http://www.gnu.org/licenses/>. */ - -#include "tconfig.h" -#include "objc/objc.h" -#include "objc/encoding.h" - -#include <assert.h> -#include <string.h> -#include <stdlib.h> - -#if OBJC_WITH_GC - -#include <gc.h> -#include <limits.h> - -/* 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 <gc_typed.h> - -/* 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_get_instance_size (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); - len = (type - ivar->ivar_type); - memcpy (new_type, ivar->ivar_type, len); - new_type[len] = 0; - strcat (new_type, "!"); - strcat (new_type, 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-4.4.3/libobjc/hash.c b/gcc-4.4.3/libobjc/hash.c deleted file mode 100644 index 21d9458c8..000000000 --- a/gcc-4.4.3/libobjc/hash.c +++ /dev/null @@ -1,281 +0,0 @@ -/* Hash tables for Objective C internal structures - Copyright (C) 1993, 1996, 1997, 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 -<http://www.gnu.org/licenses/>. */ - -#include "assert.h" - -#include "objc/hash.h" - -#include "objc/runtime.h" /* for DEBUG_PRINTF */ - -/* 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-4.4.3/libobjc/init.c b/gcc-4.4.3/libobjc/init.c deleted file mode 100644 index 138f90774..000000000 --- a/gcc-4.4.3/libobjc/init.c +++ /dev/null @@ -1,894 +0,0 @@ -/* GNU Objective C Runtime initialization - Copyright (C) 1993, 1995, 1996, 1997, 2002, 2009 - Free Software Foundation, Inc. - Contributed by Kresten Krab Thorup - +load support 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 -<http://www.gnu.org/licenses/>. */ - -#include "objc/runtime.h" - -/* 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 all modules currently loaded into the runtime. */ -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 */ - -/* Global runtime "write" 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 (Module_t); - -/* Assign isa links to protos. */ -static void __objc_init_protocols (struct objc_protocol_list *protos); - -/* Add protocol to class. */ -static void __objc_class_add_protocols (Class, struct objc_protocol_list *); - -/* 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. */ -void (*_objc_load_callback) (Class class, Category *category); /* !T:SAFE */ - -/* Is all categories/classes resolved? */ -BOOL __objc_dangling_categories = NO; /* !T:UNUSED */ - -extern SEL -__sel_register_typed_name (const char *name, const char *types, - struct objc_selector *orig, BOOL is_const); - -/* 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 (Module_t module); - -static void __objc_call_callback (Module_t 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); - -typedef struct objc_class_tree { - Class class; - struct objc_list *subclasses; /* `head' is pointer to an objc_class_tree */ -} 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 will 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_lookup_class (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'. The classes in this tree are super classes of - `bottom_class'. `subclasses' member of each tree node point to the - next subclass tree node. */ - -static objc_class_tree * -create_tree_of_subclasses_inherited_from (Class bottom_class, Class upper) -{ - Class superclass = bottom_class->super_class ? - objc_lookup_class ((char *) bottom_class->super_class) - : Nil; - - 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)); - - tree = prev = objc_calloc (1, sizeof (objc_class_tree)); - prev->class = bottom_class; - - 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 = %x, class = %s\n", - tree, 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) - { - tree = __objc_tree_insert_class (list_node->head, class); - if (tree) - { - list_node->head = tree; - break; - } - else - list_node = list_node->tail; - } - - /* If the list was finished but the class hasn't been inserted, - insert it here. */ - if (! list_node) - { - __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 `op' 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. */ - -static void -__objc_send_message_in_list (MethodList_t method_list, Class class, SEL op) -{ - int i; - - if (! method_list) - return; - - /* First execute the `op' message in the following method lists */ - __objc_send_message_in_list (method_list->method_next, class, op); - - /* Search the method list. */ - for (i = 0; i < method_list->method_count; i++) - { - Method_t mth = &method_list->method_list[i]; - - if (mth->method_name && sel_eq (mth->method_name, op) - && ! objc_hash_is_key_in_hash (__objc_load_methods, mth->method_imp)) - { - /* Add this method into the +load hash table */ - objc_hash_add (&__objc_load_methods, - mth->method_imp, - mth->method_imp); - - DEBUG_PRINTF ("sending +load in class: %s\n", class->name); - - /* The method was found and wasn't previously executed. */ - (*mth->method_imp) ((id)class, mth->method_name); - - break; - } - } -} - -static void -__objc_send_load (objc_class_tree *tree, - int level __attribute__ ((__unused__))) -{ - static SEL load_sel = 0; - Class class = tree->class; - MethodList_t method_list = class->class_pointer->methods; - - if (! load_sel) - load_sel = sel_register_name ("load"); - - __objc_send_message_in_list (method_list, class, load_sel); -} - -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 and NXConstantString - classes. */ - -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_lookup_class (statics->class_name); - - if (! class) - module_initialized = 0; - /* Actually, the static's class_pointer will be NULL when we - haven't been here before. However, the comparison is to be - reminded of taking into account class posing and to think about - possible semantics... */ - else if (class != statics->instances[0]->class_pointer) - { - id *inst; - - for (inst = &statics->instances[0]; *inst; inst++) - { - (*inst)->class_pointer = class; - - /* ??? Make sure the object will not be freed. With - refcounting, invoke `-retain'. Without refcounting, do - nothing and hope that `-free' will never be invoked. */ - - /* ??? Send the object an `-initStatic' or something to - that effect now or later on? What are the semantics of - statically allocated instances, besides the trivial - NXConstantString, anyway? */ - } - } - } - 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); -} /* objc_init_statics */ - -/* 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 (Module_t 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-api.h) generated by gcc */ - Symtab_t 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 */ - SEL selectors = symtab->refs; - - /* dummy counter */ - int i; - - DEBUG_PRINTF ("received module: %s\n", module->name); - - /* 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 (); - __objc_class_tree_list = list_cons (NULL, __objc_class_tree_list); - __objc_load_methods = objc_hash_new (128, - (hash_func_type)objc_hash_ptr, - objc_compare_ptrs); - previous_constructors = 1; - } - - /* Save the module pointer for later processing. (not currently used) */ - objc_mutex_lock (__objc_runtime_mutex); - __objc_module_list = list_cons (module, __objc_module_list); - - /* Replace referenced selectors from names to SEL's. */ - if (selectors) - { - 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 so we can safely store - pointers to them in the runtime structures. is_const == YES */ - __sel_register_typed_name (name, type, - (struct objc_selector *) &(selectors[i]), - YES); - } - } - - /* Parse the classes in the load module and gather selector information. */ - DEBUG_PRINTF ("gathering selectors from module: %s\n", module->name); - 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 ("phase 1, processing class: %s\n", class->name); - - /* Initialize the subclass list to be NULL. - In some cases it isn't and this crashes the program. */ - class->subclass_list = NULL; - - /* Store the class in the class table and assign class numbers. */ - __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); - - /* 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_lookup_class (superclass)) - unresolved_classes = list_cons (class, unresolved_classes); - } - - /* Process category information from the module. */ - for (i = 0; i < symtab->cat_def_cnt; ++i) - { - Category_t category = symtab->defs[i + symtab->cls_def_cnt]; - Class class = objc_lookup_class (category->class_name); - - /* If the class for the category exists then append its methods. */ - if (class) - { - - DEBUG_PRINTF ("processing categories from (module,object): %s, %s\n", - module->name, - class->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 - { - /* 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; ) - { - Category_t category = (*cell)->head; - Class class = objc_lookup_class (category->class_name); - - if (class) - { - DEBUG_PRINTF ("attaching stored categories to object: %s\n", - class->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_lookup_class ("Protocol")) - { - list_mapcar (unclaimed_proto_list, - (void (*) (void *))__objc_init_protocols); - list_free (unclaimed_proto_list); - unclaimed_proto_list = 0; - } - - objc_send_load (); - - objc_mutex_unlock (__objc_runtime_mutex); -} - -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_lookup_class ((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. */ - if (unresolved_classes) - return; - } - - /* Special check to allow creating and sending messages to constant - strings in +load methods. If these classes are not yet known, - even if all the other classes are known, delay sending of +load. */ - if (! objc_lookup_class ("NXConstantString") || - ! objc_lookup_class ("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); - } - - list_mapcar (__objc_module_list, (void (*) (void *)) __objc_call_callback); - list_free (__objc_module_list); - __objc_module_list = NULL; -} - -static void -__objc_create_classes_tree (Module_t module) -{ - /* The runtime mutex is locked in this point */ - - Symtab_t 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]; - - objc_tree_insert_class (class); - } -} - -static void -__objc_call_callback (Module_t module) -{ - /* The runtime mutex is locked in this point. */ - - Symtab_t 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]; - - /* Call the _objc_load_callback for this class. */ - if (_objc_load_callback) - _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++) - { - Category_t category = symtab->defs[i + symtab->cls_def_cnt]; - Class class = objc_lookup_class (category->class_name); - - if (_objc_load_callback) - _objc_load_callback (class, category); - } -} - -/* Sanity check the version of gcc used to compile `module'. */ - -static void -init_check_module_version (Module_t module) -{ - if ((module->version != OBJC_VERSION) || (module->size != sizeof (Module))) - { - int code; - - if (module->version > OBJC_VERSION) - code = OBJC_ERR_OBJC_VERSION; - else if (module->version < OBJC_VERSION) - code = OBJC_ERR_GCC_VERSION; - else - code = OBJC_ERR_MODULE_SIZE; - - objc_error (nil, code, "Module %s version %d doesn't match runtime %d\n", - module->name, (int)module->version, OBJC_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_lookup_class ("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]; - if (((size_t)aProto->class_pointer) == PROTOCOL_VERSION) - { - /* assign class pointer */ - aProto->class_pointer = proto_class; - - /* init super protocols */ - __objc_init_protocols (aProto->protocol_list); - } - else if (protos->list[i]->class_pointer != proto_class) - { - objc_error (nil, OBJC_ERR_PROTOCOL_VERSION, - "Version %d doesn't match runtime protocol version %d\n", - (int) ((char *) protos->list[i]->class_pointer - - (char *) 0), - PROTOCOL_VERSION); - } - } - - objc_mutex_unlock (__objc_runtime_mutex); -} - -static void -__objc_class_add_protocols (Class class, struct objc_protocol_list *protos) -{ - /* Well... */ - if (! protos) - return; - - /* Add it... */ - protos->next = class->protocols; - class->protocols = protos; -} diff --git a/gcc-4.4.3/libobjc/libobjc.def b/gcc-4.4.3/libobjc/libobjc.def deleted file mode 100644 index 27be47e0c..000000000 --- a/gcc-4.4.3/libobjc/libobjc.def +++ /dev/null @@ -1,169 +0,0 @@ -; GNU Objective C Runtime DLL Export Definitions -; Copyright (C) 1997, 2001, 2003, 2005, 2009 Free Software Foundation, Inc. -; Contributed by Scott Christley <scottc@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. -; -; You should have received a copy of the GNU General Public License along with -; GCC; see the file COPYING3. If not, see <http://www.gnu.org/licenses/>. - -LIBRARY libobjc -EXPORTS -search_for_method_in_list -objc_get_uninstalled_dtable -objc_hash_is_key_in_hash -hash_is_key_in_hash -objc_verror -_objc_load_callback -objc_malloc -objc_atomic_malloc -objc_valloc -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_unexpected_exception -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 -objc_error -__objc_object_alloc -__objc_object_copy -__objc_object_dispose -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_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 -__objc_exec_class -__objc_init_dispatch_tables -__objc_install_premature_dtable -__objc_print_dtable_stats -__objc_responds_to -__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 -sarray_at_put -sarray_at_put_safe -sarray_free -sarray_lazy_copy -sarray_new -sarray_realloc -sarray_remove_garbage -objc_hash_add -hash_add -objc_hash_delete -hash_delete -objc_hash_new -hash_new -objc_hash_next -hash_next -objc_hash_remove -hash_remove -objc_hash_value_for_key -hash_value_for_key diff --git a/gcc-4.4.3/libobjc/libobjc_entry.c b/gcc-4.4.3/libobjc/libobjc_entry.c deleted file mode 100644 index 13e474921..000000000 --- a/gcc-4.4.3/libobjc/libobjc_entry.c +++ /dev/null @@ -1,54 +0,0 @@ -/* GNU Objective C Runtime DLL Entry - Copyright (C) 1997, 2009 Free Software Foundation, Inc. - Contributed by Scott Christley <scottc@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 -<http://www.gnu.org/licenses/>. */ - - -#include <windows.h> - -/* - DLL entry function for Objective-C Runtime library - This function gets called everytime a process/thread attaches to DLL - */ -WINBOOL WINAPI DllMain(HANDLE hInst, ULONG ul_reason_for_call, - LPVOID lpReserved) -{ - switch(ul_reason_for_call) - { - case DLL_PROCESS_ATTACH: - break; - case DLL_PROCESS_DETACH: - break; - case DLL_THREAD_ATTACH: - break; - case DLL_THREAD_DETACH: - break; - } - return TRUE; -} - -/* - This section terminates the list of imports under GCC. If you do not - include this then you will have problems when linking with DLLs. - */ -asm (".section .idata$3\n" ".long 0,0,0,0,0,0,0,0"); diff --git a/gcc-4.4.3/libobjc/linking.m b/gcc-4.4.3/libobjc/linking.m deleted file mode 100644 index fa31bdf3c..000000000 --- a/gcc-4.4.3/libobjc/linking.m +++ /dev/null @@ -1,39 +0,0 @@ -/* Force linking of classes required by Objective C runtime. - Copyright (C) 1997, 2009 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 -<http://www.gnu.org/licenses/>. */ - - -#include <objc/Object.h> -#include <objc/NXConstStr.h> - -/* Generate references to Object and NXConstanstString classes since they are - needed by the runtime system to run correctly. */ - - -void __objc_linking (void) -{ - [Object name]; - [NXConstantString name]; -} - diff --git a/gcc-4.4.3/libobjc/makefile.dos b/gcc-4.4.3/libobjc/makefile.dos deleted file mode 100644 index aa3d83c5a..000000000 --- a/gcc-4.4.3/libobjc/makefile.dos +++ /dev/null @@ -1,55 +0,0 @@ -# GNU Objective C Runtime Makefile for compiling with djgpp -# Copyright (C) 1993, 1994, 1996, 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. -# -# You should have received a copy of the GNU General Public License -# along with GCC; see the file COPYING3. If not see -# <http://www.gnu.org/licenses/>. - -# This Makefile is configured for GnuMAKE - -GCC_FOR_TARGET=gcc - -.SUFFIXES: .o .m - -OPTIMIZE = -O2 - -# Always search these dirs when compiling. -SUBDIR_INCLUDES = -I. -I.. -I../config - -.c.o: - $(GCC_FOR_TARGET) $(OPTIMIZE) \ - -c $(GCC_CFLAGS) $(SUBDIR_INCLUDES) $< - -.m.o: - $(GCC_FOR_TARGET) $(OPTIMIZE) -fgnu-runtime \ - -c $(GCC_CFLAGS) $(SUBDIR_INCLUDES) $< - -OBJC_O = hash.o sarray.o class.o sendmsg.o init.o archive.o \ - selector.o objects.o misc.o object.o protocol.o encoding.o thread.o - -libobjc.a: $(OBJC_O) - -rm -f libobjc.a - ar rc libobjc.a $(OBJC_O) - ranlib libobjc.a - -OBJC_H = hash.h objc-list.h sarray.h objc.h \ - objc-api.h \ - object.h protocol.h mutex.h \ - typedstream.h thread.h - -mostlyclean: - -rm -f *.o libobjc.a xforward fflags -clean: mostlyclean -distclean: mostlyclean -extraclean: mostlyclean diff --git a/gcc-4.4.3/libobjc/misc.c b/gcc-4.4.3/libobjc/misc.c deleted file mode 100644 index ab7f568eb..000000000 --- a/gcc-4.4.3/libobjc/misc.c +++ /dev/null @@ -1,184 +0,0 @@ -/* GNU Objective C Runtime Miscellaneous - Copyright (C) 1993, 1994, 1995, 1996, 1997, 2002, 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 -<http://www.gnu.org/licenses/>. */ - - -#define __USE_FIXED_PROTOTYPES__ -#include <stdlib.h> -#include "objc/runtime.h" - -/* -** Error handler function -** NULL so that default is to just print to stderr -*/ -static objc_error_handler _objc_error_handler = NULL; - -/* Trigger an objc error */ -void -objc_error (id object, int code, const char *fmt, ...) -{ - va_list ap; - - va_start (ap, fmt); - objc_verror (object, code, fmt, ap); - va_end (ap); -} - -/* Trigger an objc error */ -void -objc_verror (id object, int code, const char *fmt, va_list ap) -{ - BOOL result = NO; - - /* Call the error handler if its there - Otherwise print to stderr */ - if (_objc_error_handler) - result = (*_objc_error_handler) (object, code, fmt, ap); - else - vfprintf (stderr, fmt, ap); - - /* Continue if the error handler says its ok - Otherwise abort the program */ - if (result) - return; - else - abort (); -} - -/* Set the error handler */ -objc_error_handler -objc_set_error_handler (objc_error_handler func) -{ - objc_error_handler temp = _objc_error_handler; - _objc_error_handler = func; - return temp; -} - -/* -** Standard functions for memory allocation and disposal. -** Users should use these functions in their ObjC programs so -** that they work properly with garbage collectors as well as -** can take advantage of the exception/error handling available. -*/ - -void * -objc_malloc (size_t size) -{ - void *res = (void *) (*_objc_malloc) (size); - if (! res) - objc_error (nil, OBJC_ERR_MEMORY, "Virtual memory exhausted\n"); - return res; -} - -void * -objc_atomic_malloc (size_t size) -{ - void *res = (void *) (*_objc_atomic_malloc) (size); - if (! res) - objc_error (nil, OBJC_ERR_MEMORY, "Virtual memory exhausted\n"); - return res; -} - -void * -objc_valloc (size_t size) -{ - void *res = (void *) (*_objc_valloc) (size); - if (! res) - objc_error (nil, OBJC_ERR_MEMORY, "Virtual memory exhausted\n"); - return res; -} - -void * -objc_realloc (void *mem, size_t size) -{ - void *res = (void *) (*_objc_realloc) (mem, size); - if (! res) - objc_error (nil, OBJC_ERR_MEMORY, "Virtual memory exhausted\n"); - return res; -} - -void * -objc_calloc (size_t nelem, size_t size) -{ - void *res = (void *) (*_objc_calloc) (nelem, size); - if (! res) - objc_error (nil, OBJC_ERR_MEMORY, "Virtual memory exhausted\n"); - return res; -} - -void -objc_free (void *mem) -{ - (*_objc_free) (mem); -} - -/* -** Hook functions for memory allocation and disposal. -** This makes it easy to substitute garbage collection systems -** such as Boehm's GC by assigning these function pointers -** to the GC's allocation routines. By default these point -** to the ANSI standard malloc, realloc, free, etc. -** -** Users should call the normal objc routines above for -** memory allocation and disposal within their programs. -*/ - -#if OBJC_WITH_GC -#include <gc.h> - -static void * -GC_calloc (size_t nelem, size_t size) -{ - void *p = GC_malloc (nelem * size); - if (! p) - objc_error (nil, OBJC_ERR_MEMORY, "Virtual memory exhausted!\n"); - - memset (p, 0, nelem * size); - return p; -} - -static void -noFree (void *p) -{ -} - -void *(*_objc_malloc) (size_t) = GC_malloc; -void *(*_objc_atomic_malloc) (size_t) = GC_malloc_atomic; -void *(*_objc_valloc) (size_t) = GC_malloc; -void *(*_objc_realloc) (void *, size_t) = GC_realloc; -void *(*_objc_calloc) (size_t, size_t) = GC_calloc; -void (*_objc_free) (void *) = noFree; - -#else /* !OBJC_WITH_GC */ - -void *(*_objc_malloc) (size_t) = malloc; -void *(*_objc_atomic_malloc) (size_t) = malloc; -void *(*_objc_valloc) (size_t) = malloc; -void *(*_objc_realloc) (void *, size_t) = realloc; -void *(*_objc_calloc) (size_t, size_t) = calloc; -void (*_objc_free) (void *) = free; - - -#endif /* !OBJC_WITH_GC */ diff --git a/gcc-4.4.3/libobjc/nil_method.c b/gcc-4.4.3/libobjc/nil_method.c deleted file mode 100644 index f73505cab..000000000 --- a/gcc-4.4.3/libobjc/nil_method.c +++ /dev/null @@ -1,54 +0,0 @@ -/* GNU Objective C Runtime nil receiver function - Copyright (C) 1993, 1995, 1996, 2002, 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 -<http://www.gnu.org/licenses/>. */ - - -/* This is the nil method, the function that is called when the receiver - of a method is nil */ - -#include "objc/runtime.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-4.4.3/libobjc/objc/NXConstStr.h b/gcc-4.4.3/libobjc/objc/NXConstStr.h deleted file mode 100644 index 40eb66e32..000000000 --- a/gcc-4.4.3/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 <tiggr@es.ele.tue.nl> - -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 -<http://www.gnu.org/licenses/>. */ - - -#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-4.4.3/libobjc/objc/Object.h b/gcc-4.4.3/libobjc/objc/Object.h deleted file mode 100644 index 6b8c6f16f..000000000 --- a/gcc-4.4.3/libobjc/objc/Object.h +++ /dev/null @@ -1,131 +0,0 @@ -/* Interface for the Object class for Objective-C. - Copyright (C) 1993, 1994, 1995, 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 -<http://www.gnu.org/licenses/>. */ - - -#ifndef __object_INCLUDE_GNU -#define __object_INCLUDE_GNU - -#include "objc.h" -#include "typedstream.h" - -#ifdef __cplusplus -extern "C" { -#endif - -/* - * 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 */ -} - - /* Initializing classes and instances */ -+ initialize; -- init; - - /* Creating, freeing, and copying instances */ -+ new; -+ alloc; -- free; -- copy; -- shallowCopy; -- deepen; -- deepCopy; - - /* Identifying classes */ -- (Class)class; -- (Class)superClass; -- (MetaClass)metaClass; -- (const char *)name; - - /* Identifying and comparing objects */ -- self; -- (unsigned int)hash; -- (BOOL)isEqual:anObject; -- (int)compare:(id)anotherObject; - - /* Testing object type */ -- (BOOL)isMetaClass; -- (BOOL)isClass; -- (BOOL)isInstance; - - /* Testing inheritance relationships */ -- (BOOL)isKindOf:(Class)aClassObject; -- (BOOL)isMemberOf:(Class)aClassObject; -- (BOOL)isKindOfClassNamed:(const char *)aClassName; -- (BOOL)isMemberOfClassNamed:(const char *)aClassName; - - /* Testing class functionality */ -+ (BOOL)instancesRespondTo:(SEL)aSel; -- (BOOL)respondsTo:(SEL)aSel; - - /* Testing protocol conformance */ -- (BOOL)conformsTo:(Protocol*)aProtocol; - - /* Introspection */ -+ (IMP)instanceMethodFor:(SEL)aSel; -- (IMP)methodFor:(SEL)aSel; -+ (struct objc_method_description *)descriptionForInstanceMethod:(SEL)aSel; -- (struct objc_method_description *)descriptionForMethod:(SEL)aSel; - - /* Sending messages determined at run time */ -- perform:(SEL)aSel; -- perform:(SEL)aSel with:anObject; -- perform:(SEL)aSel with:anObject1 with:anObject2; - - /* Forwarding */ -- (retval_t)forward:(SEL)aSel :(arglist_t)argFrame; -- (retval_t)performv:(SEL)aSel :(arglist_t)argFrame; - - /* Posing */ -+ poseAs:(Class)aClassObject; -- (Class)transmuteClassTo:(Class)aClassObject; - - /* Enforcing intentions */ -- subclassResponsibility:(SEL)aSel; -- notImplemented:(SEL)aSel; -- shouldNotImplement:(SEL)aSel; - - /* Error handling */ -- doesNotRecognize:(SEL)aSel; -- error:(const char *)aString, ...; - - /* Archiving */ -+ (int)version; -+ setVersion:(int)aVersion; -+ (int)streamVersion: (TypedStream*)aStream; - -- read: (TypedStream*)aStream; -- write: (TypedStream*)aStream; -- awake; - -@end - -#ifdef __cplusplus -} -#endif - -#endif diff --git a/gcc-4.4.3/libobjc/objc/Protocol.h b/gcc-4.4.3/libobjc/objc/Protocol.h deleted file mode 100644 index 1f6040544..000000000 --- a/gcc-4.4.3/libobjc/objc/Protocol.h +++ /dev/null @@ -1,62 +0,0 @@ -/* Declare the class Protocol for Objective C programs. - Copyright (C) 1993, 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 -<http://www.gnu.org/licenses/>. */ - - -#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; -} - -/* Obtaining attributes intrinsic to the protocol */ - -- (const char *)name; - -/* Testing protocol conformance */ - -- (BOOL) conformsTo: (Protocol *)aProtocolObject; - -/* Looking up information specific to a protocol */ - -- (struct objc_method_description *) descriptionForInstanceMethod:(SEL)aSel; -- (struct objc_method_description *) descriptionForClassMethod:(SEL)aSel; - -@end - -#ifdef __cplusplus -} -#endif - -#endif /* not __Protocol_INCLUDE_GNU */ diff --git a/gcc-4.4.3/libobjc/objc/encoding.h b/gcc-4.4.3/libobjc/objc/encoding.h deleted file mode 100644 index 0deae5f7f..000000000 --- a/gcc-4.4.3/libobjc/objc/encoding.h +++ /dev/null @@ -1,106 +0,0 @@ -/* Encoding of types for Objective C. - Copyright (C) 1993, 1997, 2002, 2004, 2009 Free Software Foundation, Inc. - -Author: 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 -<http://www.gnu.org/licenses/>. */ - - -#ifndef __encoding_INCLUDE_GNU -#define __encoding_INCLUDE_GNU - -#include "objc-api.h" -#include <ctype.h> - -#ifdef __cplusplus -extern "C" { -#endif /* __cplusplus */ - -#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 '!' - -#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 - -int objc_aligned_size (const char *type); -int objc_sizeof_type (const char *type); -int objc_alignof_type (const char *type); -int objc_aligned_size (const char *type); -int objc_promoted_size (const char *type); - -const char *objc_skip_type_qualifiers (const char *type); -const char *objc_skip_typespec (const char *type); -const char *objc_skip_offset (const char *type); -const char *objc_skip_argspec (const char *type); -int method_get_number_of_arguments (struct objc_method *); -int method_get_sizeof_arguments (struct objc_method *); - -char *method_get_first_argument (struct objc_method *, - arglist_t argframe, - const char **type); -char *method_get_next_argument (arglist_t argframe, - const char **type); -char *method_get_nth_argument (struct objc_method *m, - arglist_t argframe, - int arg, - const char **type); - -unsigned objc_get_type_qualifiers (const char *type); - - -struct objc_struct_layout -{ - const char *original_type; - const char *type; - const char *prev_type; - unsigned int record_size; - unsigned int record_align; -}; - -void objc_layout_structure (const char *type, - struct objc_struct_layout *layout); -BOOL objc_layout_structure_next_member (struct objc_struct_layout *layout); -void objc_layout_finish_structure (struct objc_struct_layout *layout, - unsigned int *size, - unsigned int *align); -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 /* __encoding_INCLUDE_GNU */ diff --git a/gcc-4.4.3/libobjc/objc/hash.h b/gcc-4.4.3/libobjc/objc/hash.h deleted file mode 100644 index 146abd97f..000000000 --- a/gcc-4.4.3/libobjc/objc/hash.h +++ /dev/null @@ -1,215 +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 -<http://www.gnu.org/licenses/>. */ - - - -#ifndef __hash_INCLUDE_GNU -#define __hash_INCLUDE_GNU - -#include <stddef.h> -#include <string.h> -#include "objc.h" - -#ifdef __cplusplus -extern "C" { -#endif /* __cplusplus */ - -/* - * 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; - - -/* Two important hash tables. */ -extern cache_ptr module_hash_table, class_hash_table; - -/* 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); -} - - -#ifdef __cplusplus -} -#endif /* __cplusplus */ - - -#endif /* not __hash_INCLUDE_GNU */ diff --git a/gcc-4.4.3/libobjc/objc/objc-api.h b/gcc-4.4.3/libobjc/objc/objc-api.h deleted file mode 100644 index 30984b1d1..000000000 --- a/gcc-4.4.3/libobjc/objc/objc-api.h +++ /dev/null @@ -1,628 +0,0 @@ -/* GNU Objective-C Runtime API. - Copyright (C) 1993, 1995, 1996, 1997, 2001, 2002, 2003, 2004, 2005, - 2007, 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 -<http://www.gnu.org/licenses/>. */ - - -#ifndef __objc_api_INCLUDE_GNU -#define __objc_api_INCLUDE_GNU - -#include "objc.h" -#include "hash.h" -#include "thr.h" -#include "objc-decls.h" -#include <stdio.h> -#include <stdarg.h> - -#ifdef __cplusplus -extern "C" { -#endif /* __cplusplus */ - -/* For functions which return Method_t */ -#define METHOD_NULL (Method_t)0 - /* Boolean typedefs */ -/* Method descriptor returned by introspective Object methods. - This is really just the first part of the more complete objc_method - structure defined below and used internally by the runtime. */ -struct objc_method_description -{ - SEL name; /* this is a selector, not a string */ - char *types; /* type encoding */ -}; - -/* Filer types used to describe 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_BFLD 'b' -#define _C_BOOL 'B' -#define _C_VOID 'v' -#define _C_UNDEF '?' -#define _C_PTR '^' -#define _C_CHARPTR '*' -#define _C_ATOM '%' -#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' - - -/* Error handling - - Call objc_error() or objc_verror() to record an error; this error - routine will generally exit the program but not necessarily if the - user has installed his own error handler. - - Call objc_set_error_handler to assign your own function for - handling errors. The function should return YES if it is ok - to continue execution, or return NO or just abort if the - program should be stopped. The default error handler is just to - print a message on stderr. - - The error handler function should be of type objc_error_handler - The first parameter is an object instance of relevance. - The second parameter is an error code. - The third parameter is a format string in the printf style. - The fourth parameter is a variable list of arguments. */ -extern void objc_error(id object, int code, const char* fmt, ...); -extern void objc_verror(id object, int code, const char* fmt, va_list ap); -typedef BOOL (*objc_error_handler)(id, int code, const char *fmt, va_list ap); -extern objc_error_handler objc_set_error_handler(objc_error_handler func); - -/* Error codes - These are used by the runtime library, and your - error handling may use them to determine if the error is - hard or soft thus whether execution can continue or abort. */ -#define OBJC_ERR_UNKNOWN 0 /* Generic error */ - -#define OBJC_ERR_OBJC_VERSION 1 /* Incorrect runtime version */ -#define OBJC_ERR_GCC_VERSION 2 /* Incorrect compiler version */ -#define OBJC_ERR_MODULE_SIZE 3 /* Bad module size */ -#define OBJC_ERR_PROTOCOL_VERSION 4 /* Incorrect protocol version */ - -#define OBJC_ERR_MEMORY 10 /* Out of memory */ - -#define OBJC_ERR_RECURSE_ROOT 20 /* Attempt to archive the root - object more than once. */ -#define OBJC_ERR_BAD_DATA 21 /* Didn't read expected data */ -#define OBJC_ERR_BAD_KEY 22 /* Bad key for object */ -#define OBJC_ERR_BAD_CLASS 23 /* Unknown class */ -#define OBJC_ERR_BAD_TYPE 24 /* Bad type specification */ -#define OBJC_ERR_NO_READ 25 /* Cannot read stream */ -#define OBJC_ERR_NO_WRITE 26 /* Cannot write stream */ -#define OBJC_ERR_STREAM_VERSION 27 /* Incorrect stream version */ -#define OBJC_ERR_BAD_OPCODE 28 /* Bad opcode */ - -#define OBJC_ERR_UNIMPLEMENTED 30 /* Method is not implemented */ - -#define OBJC_ERR_BAD_STATE 40 /* Bad thread state */ - -/* Set this variable nonzero to print a line describing each - message that is sent. (this is currently disabled) */ -extern BOOL objc_trace; - - -/* 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. */ -typedef struct objc_symtab { - unsigned long sel_ref_cnt; /* Unknown. */ - SEL refs; /* Unknown. */ - 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. */ -} Symtab, *Symtab_t; - - -/* -** 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. -*/ -typedef struct objc_module { - unsigned long version; /* Compiler revision. */ - unsigned long size; /* sizeof(Module). */ - const char* name; /* Name of the file where the - module was generated. The - name includes the path. */ - - Symtab_t symtab; /* Pointer to the Symtab of - the module. The Symtab - holds an array of - pointers to - the classes and categories - defined in the module. */ -} Module, *Module_t; - - -/* -** The compiler generates one of these structures for a class that has -** instance variables defined in its specification. -*/ -typedef 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. */ -} *Ivar_t; - -typedef 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. */ -} IvarList, *IvarList_t; - - -/* -** 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. -*/ -typedef struct objc_method { - SEL method_name; /* This variable is the method's - name. It is a char*. - The unique integer passed to - objc_msg_send is a char* too. - It is compared against - method_name using strcmp. */ - const char* method_types; /* Description of the method's - parameter list. Useful for - debuggers. */ - IMP method_imp; /* Address of the method in the - executable. */ -} Method, *Method_t; - -typedef 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. */ - Method method_list[1]; /* Variable length - structure. */ -} MethodList, *MethodList_t; - -struct objc_protocol_list { - struct objc_protocol_list *next; - size_t count; - Protocol *list[1]; -}; - -/* -** 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) - -/* 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 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. -*/ -typedef 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. */ - MethodList_t instance_methods; /* Linked list of instance - methods defined in the - category. NULL indicates no - instance methods defined. */ - MethodList_t 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 */ -} Category, *Category_t; - -/* -** 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_super. -*/ -typedef struct objc_super { - id self; /* Id of the object sending - the message. */ -#ifdef __cplusplus - Class super_class; -#else - Class class; /* Object's super class. */ -#endif -} Super, *Super_t; - -IMP objc_msg_lookup_super(Super_t super, SEL sel); - -retval_t objc_msg_sendv(id, SEL, arglist_t); - - - -/* -** This is a hook which is called by objc_lookup_class and -** objc_get_class if the runtime is not able to find the class. -** This may e.g. try to load in the class using dynamic loading. -** The function is guaranteed to be passed a non-NULL name string. -*/ -objc_EXPORT Class (*_objc_lookup_class)(const char *name); - -/* -** 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, Category* category); - -/* -** Hook functions for allocating, copying and disposing of instances -*/ -objc_EXPORT id (*_objc_object_alloc)(Class _class); -objc_EXPORT id (*_objc_object_copy)(id object); -objc_EXPORT id (*_objc_object_dispose)(id object); - -/* -** Standard functions for memory allocation and disposal. -** Users should use these functions in their ObjC programs so -** that they work properly with garbage collectors as well as -** can take advantage of the exception/error handling available. -*/ -void * -objc_malloc(size_t size); - -void * -objc_atomic_malloc(size_t size); - -void * -objc_valloc(size_t size); - -void * -objc_realloc(void *mem, size_t size); - -void * -objc_calloc(size_t nelem, size_t size); - -void -objc_free(void *mem); - -/* -** Hook functions for memory allocation and disposal. -** This makes it easy to substitute garbage collection systems -** such as Boehm's GC by assigning these function pointers -** to the GC's allocation routines. By default these point -** to the ANSI standard malloc, realloc, free, etc. -** -** Users should call the normal objc routines above for -** memory allocation and disposal within their programs. -*/ -objc_EXPORT void *(*_objc_malloc)(size_t); -objc_EXPORT void *(*_objc_atomic_malloc)(size_t); -objc_EXPORT void *(*_objc_valloc)(size_t); -objc_EXPORT void *(*_objc_realloc)(void *, size_t); -objc_EXPORT void *(*_objc_calloc)(size_t, size_t); -objc_EXPORT void (*_objc_free)(void *); - -/* -** Hooks for method forwarding. This makes it easy to substitute a -** library, such as ffcall, that implements 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); - -/* -** Hook for uncaught exceptions. This hook is called when an exception -** is thrown and no valid exception handler is in place. The function -** is expected never to return. If the function returns the result is -** currently undefined. -*/ -objc_EXPORT void (*_objc_unexpected_exception)(id); - - -Method_t class_get_class_method(MetaClass _class, SEL aSel); - -Method_t class_get_instance_method(Class _class, SEL aSel); - -Class class_pose_as(Class impostor, Class superclass); - -Class objc_get_class(const char *name); - -Class objc_lookup_class(const char *name); - -Class objc_next_class(void **enum_state); - -const char *sel_get_name(SEL selector); - -const char *sel_get_type(SEL selector); - -SEL sel_get_uid(const char *name); - -SEL sel_get_any_uid(const char *name); - -SEL sel_get_any_typed_uid(const char *name); - -SEL sel_get_typed_uid(const char *name, const char*); - -SEL sel_register_name(const char *name); - -SEL sel_register_typed_name(const char *name, const char*type); - - -BOOL sel_is_mapped (SEL aSel); - -extern id class_create_instance(Class _class); - -static inline const char * -class_get_class_name(Class _class) -{ - return CLS_ISCLASS(_class)?_class->name:((_class==Nil)?"Nil":0); -} - -static inline long -class_get_instance_size(Class _class) -{ - return CLS_ISCLASS(_class)?_class->instance_size:0; -} - -static inline MetaClass -class_get_meta_class(Class _class) -{ - return CLS_ISCLASS(_class)?_class->class_pointer:Nil; -} - -static inline Class -class_get_super_class(Class _class) -{ - return CLS_ISCLASS(_class)?_class->super_class:Nil; -} - -static inline int -class_get_version(Class _class) -{ - return CLS_ISCLASS(_class)?_class->version:-1; -} - -static inline BOOL -class_is_class(Class _class) -{ - return CLS_ISCLASS(_class); -} - -static inline BOOL -class_is_meta_class(Class _class) -{ - return CLS_ISMETA(_class); -} - - -static inline void -class_set_version(Class _class, long version) -{ - if (CLS_ISCLASS(_class)) - _class->version = version; -} - -static inline void * -class_get_gc_object_type (Class _class) -{ - return CLS_ISCLASS(_class) ? _class->gc_object_type : NULL; -} - -/* Mark the instance variable as innaccessible to the garbage collector */ -extern void class_ivar_set_gcinvisible (Class _class, - const char* ivarname, - BOOL gcInvisible); - -static inline IMP -method_get_imp(Method_t method) -{ - return (method!=METHOD_NULL)?method->method_imp:(IMP)0; -} - -IMP get_imp (Class _class, SEL sel); - -/* Redefine on NeXTSTEP so as not to conflict with system function */ -#ifdef __NeXT__ -#define object_copy gnu_object_copy -#define object_dispose gnu_object_dispose -#endif - -id object_copy(id object); - -id object_dispose(id object); - -static inline Class -object_get_class(id object) -{ - return ((object!=nil) - ? (CLS_ISCLASS(object->class_pointer) - ? object->class_pointer - : (CLS_ISMETA(object->class_pointer) - ? (Class)object - : Nil)) - : Nil); -} - -static inline const char * -object_get_class_name(id object) -{ - return ((object!=nil)?(CLS_ISCLASS(object->class_pointer) - ?object->class_pointer->name - :((Class)object)->name) - :"Nil"); -} - -static inline MetaClass -object_get_meta_class(id object) -{ - return ((object!=nil)?(CLS_ISCLASS(object->class_pointer) - ?object->class_pointer->class_pointer - :(CLS_ISMETA(object->class_pointer) - ?object->class_pointer - :Nil)) - :Nil); -} - -static inline Class -object_get_super_class -(id object) -{ - return ((object!=nil)?(CLS_ISCLASS(object->class_pointer) - ?object->class_pointer->super_class - :(CLS_ISMETA(object->class_pointer) - ?((Class)object)->super_class - :Nil)) - :Nil); -} - -static inline BOOL -object_is_class (id object) -{ - return ((object != nil) && CLS_ISMETA (object->class_pointer)); -} - -static inline BOOL -object_is_instance (id object) -{ - return ((object != nil) && CLS_ISCLASS (object->class_pointer)); -} - -static inline BOOL -object_is_meta_class (id object) -{ - return ((object != nil) - && !object_is_instance (object) - && !object_is_class (object)); -} - -struct sarray* -objc_get_uninstalled_dtable(void); - -#ifdef __cplusplus -} -#endif /* __cplusplus */ - -#endif /* not __objc_api_INCLUDE_GNU */ - - - diff --git a/gcc-4.4.3/libobjc/objc/objc-decls.h b/gcc-4.4.3/libobjc/objc/objc-decls.h deleted file mode 100644 index 6054237af..000000000 --- a/gcc-4.4.3/libobjc/objc/objc-decls.h +++ /dev/null @@ -1,46 +0,0 @@ -/* GNU Objective-C Extern helpers for Win32. - Copyright (C) 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 -<http://www.gnu.org/licenses/>. */ - - -#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 __declspec(dllexport) -# define objc_DECLARE __declspec(dllexport) -#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-4.4.3/libobjc/objc/objc-list.h b/gcc-4.4.3/libobjc/objc/objc-list.h deleted file mode 100644 index e542bfc04..000000000 --- a/gcc-4.4.3/libobjc/objc/objc-list.h +++ /dev/null @@ -1,155 +0,0 @@ -/* Generic single linked list to keep various information - Copyright (C) 1993, 1994, 1996, 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 -<http://www.gnu.org/licenses/>. */ - - -#ifndef __GNU_OBJC_LIST_H -#define __GNU_OBJC_LIST_H - -#ifdef __cplusplus -extern "C" { -#endif /* __cplusplus */ - -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; -} - -/* Return the length of a list, list_length(NULL) returns zero */ - -static inline int -list_length(struct objc_list* list) -{ - int i = 0; - while(list) - { - i += 1; - list = list->tail; - } - return i; -} - -/* Return the Nth element of LIST, where N count from zero. If N - larger than the list length, NULL is returned */ - -static inline void* -list_nth(int indx, struct objc_list* list) -{ - while(indx-- != 0) - { - if(list->tail) - list = list->tail; - else - return 0; - } - return list->head; -} - -/* 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) - { - struct objc_list* tail = (*list)->tail; /* fetch next */ - *(*list) = *tail; /* copy next to list head */ - objc_free(tail); /* free next */ - } - else /* only one element in list */ - { - objc_free(*list); - (*list) = 0; - } -} - - -/* Remove the element with `car' set to ELEMENT */ - -static inline void -list_remove_elem(struct objc_list** list, void* elem) -{ - while (*list) { - if ((*list)->head == elem) - list_remove_head(list); - list = &((*list)->tail); - } -} - -/* 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; - } -} - -/* Return element that has ELEM as car */ - -static inline struct objc_list** -list_find(struct objc_list** list, void* elem) -{ - while(*list) - { - if ((*list)->head == elem) - return list; - list = &((*list)->tail); - } - return NULL; -} - -/* Free list (backwards recursive) */ - -static inline void -list_free(struct objc_list* list) -{ - if(list) - { - list_free(list->tail); - objc_free(list); - } -} - -#ifdef __cplusplus -} -#endif /* __cplusplus */ - -#endif /* not __GNU_OBJC_LIST_H */ diff --git a/gcc-4.4.3/libobjc/objc/objc.h b/gcc-4.4.3/libobjc/objc/objc.h deleted file mode 100644 index 08f977dbf..000000000 --- a/gcc-4.4.3/libobjc/objc/objc.h +++ /dev/null @@ -1,165 +0,0 @@ -/* Basic data types for Objective C. - 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 -<http://www.gnu.org/licenses/>. */ - - -#ifndef __objc_INCLUDE_GNU -#define __objc_INCLUDE_GNU - -#ifdef __cplusplus -extern "C" { -#endif - -#include <stddef.h> - -/* -** Definition of the boolean type. -*/ -#ifdef __vxworks -typedef int BOOL; -#else -#undef BOOL -typedef unsigned char BOOL; -#endif -#define YES (BOOL)1 -#define NO (BOOL)0 - -/* -** Definition of a selector. Selectors themselves are not unique, but -** the sel_id is a unique identifier. -*/ -typedef const struct objc_selector -{ - void *sel_id; - const char *sel_types; -} *SEL; - -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; -} - - -/* -** ObjC uses this typedef for untyped instances. -*/ -typedef struct objc_object { - struct objc_class* class_pointer; -} *id; - -/* -** Definition of method type. When retrieving the implementation of a -** method, this is 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, ...); - -/* -** More simple types... -*/ -#define nil (id)0 /* id of Nil instance */ -#define Nil (Class)0 /* id of Nil class */ -typedef char *STR; /* String alias */ - -/* -** 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. -*/ -typedef struct objc_class *MetaClass; -typedef struct objc_class *Class; -struct objc_class { - MetaClass 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 above. */ - long instance_size; /* Size in bytes of the class. - The sum of the class - definition and all super - class definitions. */ - 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; -}; - -#ifndef __OBJC__ -typedef 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; -} Protocol; - -#else /* __OBJC__ */ -@class Protocol; -#endif - -typedef void* retval_t; /* return value */ -typedef void(*apply_t)(void); /* function pointer */ -typedef union arglist { - char *arg_ptr; - char arg_regs[sizeof (char*)]; -} *arglist_t; /* argument frame */ - - -IMP objc_msg_lookup(id receiver, SEL op); - -#ifdef __cplusplus -} -#endif - -#endif /* not __objc_INCLUDE_GNU */ diff --git a/gcc-4.4.3/libobjc/objc/runtime.h b/gcc-4.4.3/libobjc/objc/runtime.h deleted file mode 100644 index 190d7efb6..000000000 --- a/gcc-4.4.3/libobjc/objc/runtime.h +++ /dev/null @@ -1,96 +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 -<http://www.gnu.org/licenses/>. */ - - -#ifndef __objc_runtime_INCLUDE_GNU -#define __objc_runtime_INCLUDE_GNU - -#include <stdarg.h> /* for varargs and va_list's */ - -#include <stdio.h> -#include <ctype.h> - -#include <stddef.h> /* so noone else will get system versions */ -#include <assert.h> - -#include "objc.h" /* core data types */ -#include "objc-api.h" /* runtime api functions */ - -#include "thr.h" /* thread and mutex support */ - -#include "hash.h" /* hash structures */ -#include "objc-list.h" /* linear lists */ - -#ifdef __cplusplus -extern "C" { -#endif /* __cplusplus */ - -extern void __objc_add_class_to_hash(Class); /* (objc-class.c) */ -extern void __objc_init_selector_tables(void); /* (objc-sel.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_register_selectors_from_class(Class); /* (objc-sel.c) */ -extern void __objc_register_selectors_from_list (MethodList_t); /* (selector.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 void __objc_print_dtable_stats(void); /* sendmsg.c */ - -extern void class_add_method_list(Class, MethodList_t); - -/* Registering instance methods as class methods for root classes */ -extern void __objc_register_instance_methods_to_class(Class); -extern Method_t search_for_method_in_list(MethodList_t list, SEL op); - -/* True when class links has been resolved */ -extern BOOL __objc_class_links_resolved; - -/* Number of selectors stored in each of the selector tables */ -extern unsigned int __objc_selector_max_index; - -/* 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; - -#ifdef DEBUG -#define DEBUG_PRINTF(format, args...) printf (format, ## args) -#else -#define DEBUG_PRINTF(format, args...) -#endif - -BOOL __objc_responds_to (id object, SEL sel); /* for internal use only! */ -SEL __sel_register_typed_name (const char*, const char*, - struct objc_selector*, BOOL is_const); -extern void __objc_generate_gc_type_description (Class); - -#ifdef __cplusplus -} -#endif /* __cplusplus */ - -#endif /* not __objc_runtime_INCLUDE_GNU */ diff --git a/gcc-4.4.3/libobjc/objc/sarray.h b/gcc-4.4.3/libobjc/objc/sarray.h deleted file mode 100644 index 32a7ef2aa..000000000 --- a/gcc-4.4.3/libobjc/objc/sarray.h +++ /dev/null @@ -1,243 +0,0 @@ -/* Sparse Arrays for Objective C dispatch tables - Copyright (C) 1993, 1995, 1996, 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 -<http://www.gnu.org/licenses/>. */ - - -#ifndef __sarray_INCLUDE_GNU -#define __sarray_INCLUDE_GNU - -#include "thr.h" - -#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 <stddef.h> -#include <assert.h> - -#ifdef __cplusplus -extern "C" { -#endif /* __cplusplus */ - -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 { - void* elems[BUCKET_SIZE]; /* elements stored in array */ - union sversion version; /* used for copy-on-write */ -}; - -#ifdef OBJC_SPARSE3 - -struct sindex { - struct sbucket* buckets[INDEX_SIZE]; - union sversion version; /* used for copy-on-write */ -}; - -#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; - union sversion version; /* used for copy-on-write */ - 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 vica verca */ -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]); -} - -#ifdef __cplusplus -} -#endif /* __cplusplus */ - -#endif /* __sarray_INCLUDE_GNU */ diff --git a/gcc-4.4.3/libobjc/objc/thr.h b/gcc-4.4.3/libobjc/objc/thr.h deleted file mode 100644 index 997fb3abb..000000000 --- a/gcc-4.4.3/libobjc/objc/thr.h +++ /dev/null @@ -1,141 +0,0 @@ -/* Thread and mutex controls for Objective C. - Copyright (C) 1996, 1997, 2002, 2004, 2009 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 -<http://www.gnu.org/licenses/>. */ - -#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); -int __objc_fini_thread_system (void); - -/* Backend mutex functions */ -int __objc_mutex_allocate (objc_mutex_t mutex); -int __objc_mutex_deallocate (objc_mutex_t mutex); -int __objc_mutex_lock (objc_mutex_t mutex); -int __objc_mutex_trylock (objc_mutex_t mutex); -int __objc_mutex_unlock (objc_mutex_t mutex); - -/* Backend condition mutex functions */ -int __objc_condition_allocate (objc_condition_t condition); -int __objc_condition_deallocate (objc_condition_t condition); -int __objc_condition_wait (objc_condition_t condition, objc_mutex_t mutex); -int __objc_condition_broadcast (objc_condition_t condition); -int __objc_condition_signal (objc_condition_t condition); - -/* Backend thread functions */ -objc_thread_t __objc_thread_detach (void (*func) (void *arg), void *arg); -int __objc_thread_set_priority (int priority); -int __objc_thread_get_priority (void); -void __objc_thread_yield (void); -int __objc_thread_exit (void); -objc_thread_t __objc_thread_id (void); -int __objc_thread_set_data (void *value); -void * __objc_thread_get_data (void); - -#ifdef __cplusplus -} -#endif /* __cplusplus */ - -#endif /* not __thread_INCLUDE_GNU */ diff --git a/gcc-4.4.3/libobjc/objc/typedstream.h b/gcc-4.4.3/libobjc/objc/typedstream.h deleted file mode 100644 index 0d7643fbb..000000000 --- a/gcc-4.4.3/libobjc/objc/typedstream.h +++ /dev/null @@ -1,140 +0,0 @@ -/* GNU Objective-C Typed Streams interface. - Copyright (C) 1993, 1995, 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 -<http://www.gnu.org/licenses/>. */ - - -#ifndef __typedstream_INCLUDE_GNU -#define __typedstream_INCLUDE_GNU - -#include "objc.h" -#include "hash.h" - -#include <stdio.h> - -#ifdef __cplusplus -extern "C" { -#endif /* __cplusplus */ - -typedef int (*objc_typed_read_func)(void*, char*, int); -typedef int (*objc_typed_write_func)(void*, const char*, int); -typedef int (*objc_typed_flush_func)(void*); -typedef int (*objc_typed_eof_func)(void*); - -#define OBJC_READONLY 0x01 -#define OBJC_WRITEONLY 0x02 - -#define OBJC_MANAGED_STREAM 0x01 -#define OBJC_FILE_STREAM 0x02 -#define OBJC_MEMORY_STREAM 0x04 - -#define OBJC_TYPED_STREAM_VERSION 0x01 - -typedef struct objc_typed_stream { - void* physical; - cache_ptr object_table; /* read/written objects */ - cache_ptr stream_table; /* other read/written but shared things.. */ - cache_ptr class_table; /* class version mapping */ - cache_ptr object_refs; /* forward references */ - int mode; /* OBJC_READONLY or OBJC_WRITEONLY */ - int type; /* MANAGED, FILE, MEMORY etc bit string */ - int version; /* version used when writing */ - int writing_root_p; - objc_typed_read_func read; - objc_typed_write_func write; - objc_typed_eof_func eof; - objc_typed_flush_func flush; -} TypedStream; - -/* opcode masks */ -#define _B_VALUE 0x1fU -#define _B_CODE 0xe0U -#define _B_SIGN 0x10U -#define _B_NUMBER 0x0fU - -/* standard opcodes */ -#define _B_INVALID 0x00U -#define _B_SINT 0x20U -#define _B_NINT 0x40U -#define _B_SSTR 0x60U -#define _B_NSTR 0x80U -#define _B_RCOMM 0xa0U -#define _B_UCOMM 0xc0U -#define _B_EXT 0xe0U - -/* eXtension opcodes */ -#define _BX_OBJECT 0x00U -#define _BX_CLASS 0x01U -#define _BX_SEL 0x02U -#define _BX_OBJREF 0x03U -#define _BX_OBJROOT 0x04U -#define _BX_EXT 0x1fU - -/* -** Read and write objects as specified by TYPE. All the `last' -** arguments are pointers to the objects to read/write. -*/ - -int objc_write_type (TypedStream* stream, const char* type, const void* data); -int objc_read_type (TypedStream* stream, const char* type, void* data); - -int objc_write_types (TypedStream* stream, const char* type, ...); -int objc_read_types (TypedStream* stream, const char* type, ...); - -int objc_write_object_reference (TypedStream* stream, id object); -int objc_write_root_object (TypedStream* stream, id object); - -long objc_get_stream_class_version (TypedStream* stream, Class class_type); - - -/* -** Convenience functions -*/ - -int objc_write_array (TypedStream* stream, const char* type, - int count, const void* data); -int objc_read_array (TypedStream* stream, const char* type, - int count, void* data); - -int objc_write_object (TypedStream* stream, id object); -int objc_read_object (TypedStream* stream, id* object); - - - -/* -** Open a typed stream for reading or writing. MODE may be either of -** OBJC_READONLY or OBJC_WRITEONLY. -*/ - -TypedStream* objc_open_typed_stream (FILE* physical, int mode); -TypedStream* objc_open_typed_stream_for_file (const char* file_name, int mode); - -void objc_close_typed_stream (TypedStream* stream); - -BOOL objc_end_of_typed_stream (TypedStream* stream); -void objc_flush_typed_stream (TypedStream* stream); - -#ifdef __cplusplus -} -#endif /* __cplusplus */ - -#endif /* not __typedstream_INCLUDE_GNU */ diff --git a/gcc-4.4.3/libobjc/objects.c b/gcc-4.4.3/libobjc/objects.c deleted file mode 100644 index 36ff8675a..000000000 --- a/gcc-4.4.3/libobjc/objects.c +++ /dev/null @@ -1,102 +0,0 @@ -/* GNU Objective C Runtime class related functions - Copyright (C) 1993, 1995, 1996, 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 -<http://www.gnu.org/licenses/>. */ - - -#include "tconfig.h" /* include defs of bzero for target */ -#include "objc/objc.h" -#include "objc/runtime.h" /* the kitchen sink */ - -#if OBJC_WITH_GC -# include <gc.h> -#endif - -id __objc_object_alloc (Class); -id __objc_object_dispose (id); -id __objc_object_copy (id); - -id (*_objc_object_alloc) (Class) = __objc_object_alloc; /* !T:SINGLE */ -id (*_objc_object_dispose) (id) = __objc_object_dispose; /* !T:SINGLE */ -id (*_objc_object_copy) (id) = __objc_object_copy; /* !T:SINGLE */ - -id -class_create_instance (Class class) -{ - id new = nil; - -#if OBJC_WITH_GC - if (CLS_ISCLASS (class)) - new = (id) GC_malloc_explicitly_typed (class->instance_size, - class->gc_object_type); -#else - if (CLS_ISCLASS (class)) - new = (*_objc_object_alloc) (class); -#endif - - if (new != nil) - { - memset (new, 0, class->instance_size); - new->class_pointer = class; - } - return new; -} - -id -object_copy (id object) -{ - if ((object != nil) && CLS_ISCLASS (object->class_pointer)) - return (*_objc_object_copy) (object); - else - return nil; -} - -id -object_dispose (id object) -{ - if ((object != nil) && CLS_ISCLASS (object->class_pointer)) - { - if (_objc_object_dispose) - (*_objc_object_dispose) (object); - else - objc_free (object); - } - return nil; -} - -id __objc_object_alloc (Class class) -{ - return (id) objc_malloc (class->instance_size); -} - -id __objc_object_dispose (id object) -{ - objc_free (object); - return 0; -} - -id __objc_object_copy (id object) -{ - id copy = class_create_instance (object->class_pointer); - memcpy (copy, object, object->class_pointer->instance_size); - return copy; -} diff --git a/gcc-4.4.3/libobjc/sarray.c b/gcc-4.4.3/libobjc/sarray.c deleted file mode 100644 index 147fd4333..000000000 --- a/gcc-4.4.3/libobjc/sarray.c +++ /dev/null @@ -1,517 +0,0 @@ -/* Sparse Arrays for Objective C dispatch tables - Copyright (C) 1993, 1995, 1996, 2002, 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 -<http://www.gnu.org/licenses/>. */ - - -#include "objc/sarray.h" -#include "objc/runtime.h" -#include <stdio.h> -#include "assert.h" - -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 = array->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-4.4.3/libobjc/selector.c b/gcc-4.4.3/libobjc/selector.c deleted file mode 100644 index 226ef7db3..000000000 --- a/gcc-4.4.3/libobjc/selector.c +++ /dev/null @@ -1,490 +0,0 @@ -/* GNU Objective C Runtime selector related functions - 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 -<http://www.gnu.org/licenses/>. */ - - -#include "objc/runtime.h" -#include "objc/sarray.h" -#include "objc/encoding.h" - -/* 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 */ - -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); -} - -/* 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) -{ - MethodList_t 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 (MethodList_t method_list) -{ - int i = 0; - - objc_mutex_lock (__objc_runtime_mutex); - while (i < method_list->method_count) - { - Method_t 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); -} - - -/* Register instance methods as class methods for root classes */ -void __objc_register_instance_methods_to_class (Class class) -{ - MethodList_t method_list; - MethodList_t class_method_list; - int max_methods_no = 16; - MethodList_t new_list; - Method_t 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_t 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); -} - - -/* Returns YES iff t1 and t2 have same method types, but we ignore - the argframe layout */ -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_typed_uid (const char *name, const char *types) -{ - struct objc_list *l; - sidx i; - - objc_mutex_lock (__objc_runtime_mutex); - - i = (sidx) objc_hash_value_for_key (__objc_selector_hash, name); - if (i == 0) - { - objc_mutex_unlock (__objc_runtime_mutex); - return 0; - } - - 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) - { - objc_mutex_unlock (__objc_runtime_mutex); - return s; - } - } - else if (sel_types_match (s->sel_types, types)) - { - objc_mutex_unlock (__objc_runtime_mutex); - return s; - } - } - - objc_mutex_unlock (__objc_runtime_mutex); - return 0; -} - -/* Return selector representing name; prefer a selector with non-NULL type */ -SEL -sel_get_any_typed_uid (const char *name) -{ - struct objc_list *l; - sidx i; - SEL s = NULL; - - objc_mutex_lock (__objc_runtime_mutex); - - i = (sidx) objc_hash_value_for_key (__objc_selector_hash, name); - if (i == 0) - { - objc_mutex_unlock (__objc_runtime_mutex); - return 0; - } - - for (l = (struct objc_list *) sarray_get_safe (__objc_selector_array, i); - l; l = l->tail) - { - s = (SEL) l->head; - if (s->sel_types) - { - objc_mutex_unlock (__objc_runtime_mutex); - return s; - } - } - - objc_mutex_unlock (__objc_runtime_mutex); - return s; -} - -/* 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; -} - -/* return selector representing name */ -SEL -sel_get_uid (const char *name) -{ - return sel_register_typed_name (name, 0); -} - -/* Get name of selector. If selector is unknown, the empty string "" - is returned */ -const char *sel_get_name (SEL selector) -{ - const char *ret; - - 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_get_type (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). - Assumes that the calling function has locked down __objc_runtime_mutex. */ -/* 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. */ -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) - { - 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 (! strcmp (s->sel_types, types)) - { - if (orig) - { - orig->sel_id = (void *) i; - return orig; - } - else - return s; - } - } - if (orig) - j = orig; - else - j = pool_alloc_selector (); - - j->sel_id = (void *) i; - /* Can we use the pointer or must copy types? Don't copy if NULL */ - if ((is_const) || (types == 0)) - j->sel_types = (const char *) 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 - { - __objc_selector_max_index += 1; - i = soffset_encode (__objc_selector_max_index); - if (orig) - j = orig; - else - j = pool_alloc_selector (); - - j->sel_id = (void *) i; - /* Can we use the pointer or must copy types? Don't copy if NULL */ - if ((is_const) || (types == 0)) - j->sel_types = (const char *) types; - else { - j->sel_types = (char *) objc_malloc (strlen (types) + 1); - strcpy ((char *) j->sel_types, types); - } - l = 0; - } - - DEBUG_PRINTF ("Record selector %s[%s] as: %ld\n", name, types, - (long) soffset_decode (i)); - - { - int is_new = (l == 0); - const char *new_name; - - /* Can we use the pointer or must copy name? Don't copy if NULL */ - if ((is_const) || (name == 0)) - new_name = name; - else { - new_name = (char *) objc_malloc (strlen (name) + 1); - strcpy ((char *) new_name, name); - } - - l = list_cons ((void *) j, l); - sarray_at_put_safe (__objc_selector_names, i, (void *) new_name); - sarray_at_put_safe (__objc_selector_array, i, (void *) l); - if (is_new) - objc_hash_add (&__objc_selector_hash, (void *) new_name, (void *) i); - } - - sarray_realloc (__objc_uninstalled_dtable, __objc_selector_max_index + 1); - - return (SEL) j; -} - -SEL -sel_register_name (const char *name) -{ - SEL ret; - - 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_register_typed_name (const char *name, const char *type) -{ - SEL ret; - - 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; -} diff --git a/gcc-4.4.3/libobjc/sendmsg.c b/gcc-4.4.3/libobjc/sendmsg.c deleted file mode 100644 index 8b1845104..000000000 --- a/gcc-4.4.3/libobjc/sendmsg.c +++ /dev/null @@ -1,713 +0,0 @@ -/* GNU Objective C Runtime message lookup - Copyright (C) 1993, 1995, 1996, 1997, 1998, - 2001, 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 -<http://www.gnu.org/licenses/>. */ - - -/* FIXME: This file has no business including tm.h. */ -/* FIXME: This should be using libffi instead of __builtin_apply - and friends. */ - -#include "tconfig.h" -#include "coretypes.h" -#include "tm.h" -#include "objc/runtime.h" -#include "objc/sarray.h" -#include "objc/encoding.h" -#include "runtime-info.h" - -/* 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 -/* Alread 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 */ -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); - -static void __objc_install_dispatch_table_for_class (Class); - -/* Forward declare some functions */ -static void __objc_init_install_dtable (id, 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 Method_t search_for_method_in_hierarchy (Class class, SEL sel); -Method_t search_for_method_in_list (MethodList_t 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; - } -} - -/* Given a class and selector, return the selector's implementation. */ -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) - { - /* Not a valid method */ - 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_dispatch_table_for_class (class); - } - - objc_mutex_unlock (__objc_runtime_mutex); - /* Call ourselves with the installed dispatch table - and get the real method */ - res = get_imp (class, sel); - } - else - { - /* The dispatch table has been installed. */ - - /* Get the method from the dispatch table (we try to get it - again in case another thread has installed the dtable just - after we invoked sarray_get_safe, but before we checked - class->dtable == __objc_uninstalled_dtable). - */ - 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. Return the forwarding - implementation. */ - res = __objc_get_forward_imp ((id)class, sel); - } - } - } - return res; -} - -/* 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. */ -inline -BOOL -__objc_responds_to (id object, SEL sel) -{ - void *res; - - /* Install dispatch table if need be */ - if (object->class_pointer->dtable == __objc_uninstalled_dtable) - { - objc_mutex_lock (__objc_runtime_mutex); - if (object->class_pointer->dtable == __objc_uninstalled_dtable) - { - __objc_install_dispatch_table_for_class (object->class_pointer); - } - objc_mutex_unlock (__objc_runtime_mutex); - } - - /* Get the method from the dispatch table */ - res = sarray_get_safe (object->class_pointer->dtable, (size_t) sel->sel_id); - return (res != 0); -} - -/* 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. */ -inline -IMP -objc_msg_lookup (id receiver, SEL op) -{ - IMP result; - if (receiver) - { - result = sarray_get_safe (receiver->class_pointer->dtable, - (sidx)op->sel_id); - if (result == 0) - { - /* Not a valid method */ - if (receiver->class_pointer->dtable == __objc_uninstalled_dtable) - { - /* The dispatch table needs to be installed. - This happens on the very first method call to the class. */ - __objc_init_install_dtable (receiver, op); - - /* Get real method for this in newly installed dtable */ - result = get_imp (receiver->class_pointer, op); - } - else - { - /* The dispatch table has been installed. Check again - if the method exists (just in case the dispatch table - has been installed by another thread after we did the - previous check that the method exists). - */ - result = sarray_get_safe (receiver->class_pointer->dtable, - (sidx)op->sel_id); - if (result == 0) - { - /* If the method still just doesn't exist for the - class, attempt to forward the method. */ - result = __objc_get_forward_imp (receiver, op); - } - } - } - return result; - } - else - return (IMP)nil_method; -} - -IMP -objc_msg_lookup_super (Super_t super, SEL sel) -{ - if (super->self) - return get_imp (super->class, sel); - else - return (IMP)nil_method; -} - -int method_get_sizeof_arguments (Method *); - -retval_t -objc_msg_sendv (id object, SEL op, arglist_t arg_frame) -{ - Method *m = class_get_instance_method (object->class_pointer, op); - const char *type; - *((id *) method_get_first_argument (m, arg_frame, &type)) = object; - *((SEL *) method_get_next_argument (arg_frame, &type)) = op; - return __builtin_apply ((apply_t) m->method_imp, - arg_frame, - method_get_sizeof_arguments (m)); -} - -void -__objc_init_dispatch_tables () -{ - __objc_uninstalled_dtable = sarray_new (200, 0); -} - -/* This function is called by objc_msg_lookup when the - dispatch table needs to be installed; thus it is called once - for each class, namely when the very first message is sent to it. */ -static void -__objc_init_install_dtable (id receiver, SEL op __attribute__ ((__unused__))) -{ - objc_mutex_lock (__objc_runtime_mutex); - - /* This may happen, if the programmer has taken the address of a - method before the dtable was initialized... too bad for him! */ - if (receiver->class_pointer->dtable != __objc_uninstalled_dtable) - { - objc_mutex_unlock (__objc_runtime_mutex); - return; - } - - if (CLS_ISCLASS (receiver->class_pointer)) - { - /* receiver is an ordinary object */ - assert (CLS_ISCLASS (receiver->class_pointer)); - - /* install instance methods table */ - __objc_install_dispatch_table_for_class (receiver->class_pointer); - - /* call +initialize -- this will in turn install the factory - dispatch table if not already done :-) */ - __objc_send_initialize (receiver->class_pointer); - } - else - { - /* receiver is a class object */ - assert (CLS_ISCLASS ((Class)receiver)); - assert (CLS_ISMETA (receiver->class_pointer)); - - /* Install real dtable for factory methods */ - __objc_install_dispatch_table_for_class (receiver->class_pointer); - - __objc_send_initialize ((Class)receiver); - } - objc_mutex_unlock (__objc_runtime_mutex); -} - -/* 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)); - - if (! CLS_ISINITIALIZED (class)) - { - 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_register_name ("initialize"); - IMP imp = 0; - MethodList_t method_list = class->class_pointer->methods; - - while (method_list) { - int i; - Method_t method; - - for (i = 0; i < method_list->method_count; i++) { - method = &(method_list->method_list[i]); - if (method->method_name - && method->method_name->sel_id == op->sel_id) { - imp = method->method_imp; - break; - } - } - - if (imp) - break; - - method_list = method_list->method_next; - - } - if (imp) - (*imp) ((id) class, op); - - } - } -} - -/* 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 (Class class, MethodList_t method_list) -{ - int i; - - if (! method_list) - return; - - if (method_list->method_next) - __objc_install_methods_in_dtable (class, method_list->method_next); - - for (i = 0; i < method_list->method_count; i++) - { - Method_t method = &(method_list->method_list[i]); - sarray_at_put_safe (class->dtable, - (sidx) method->method_name->sel_id, - method->method_imp); - } -} - -/* Assumes that __objc_runtime_mutex is locked down. */ -static void -__objc_install_dispatch_table_for_class (Class class) -{ - Class super; - - /* If the class has not yet had its class links resolved, we must - re-compute all class links */ - if (! CLS_ISRESOLV (class)) - __objc_resolve_class_links (); - - super = class->super_class; - - if (super != 0 && (super->dtable == __objc_uninstalled_dtable)) - __objc_install_dispatch_table_for_class (super); - - /* Allocate dtable if necessary */ - if (super == 0) - { - objc_mutex_lock (__objc_runtime_mutex); - class->dtable = sarray_new (__objc_selector_max_index, 0); - objc_mutex_unlock (__objc_runtime_mutex); - } - else - class->dtable = sarray_lazy_copy (super->dtable); - - __objc_install_methods_in_dtable (class, class->methods); -} - -void -__objc_update_dispatch_table_for_class (Class class) -{ - Class next; - struct sarray *arr; - - /* not yet installed -- skip it */ - if (class->dtable == __objc_uninstalled_dtable) - return; - - objc_mutex_lock (__objc_runtime_mutex); - - arr = class->dtable; - __objc_install_premature_dtable (class); /* someone might require it... */ - sarray_free (arr); /* release memory */ - - /* could have been lazy... */ - __objc_install_dispatch_table_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, MethodList_t 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); -} - -Method_t -class_get_instance_method (Class class, SEL op) -{ - return search_for_method_in_hierarchy (class, op); -} - -Method_t -class_get_class_method (MetaClass class, SEL op) -{ - return search_for_method_in_hierarchy (class, op); -} - - -/* 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 Method_t -search_for_method_in_hierarchy (Class cls, SEL sel) -{ - Method_t 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. */ -Method_t -search_for_method_in_list (MethodList_t list, SEL op) -{ - MethodList_t 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) - { - Method_t 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; -} - -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 installed in the dispatch table for all methods which are - not implemented. Thus, it 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_imp (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_imp (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_get_name (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_get_name (sel)); - - err_sel = sel_get_any_uid ("error:"); - if (__objc_responds_to (object, err_sel)) - { - imp = get_imp (object->class_pointer, err_sel); - return (*imp) (object, sel_get_any_uid ("error:"), msg); - } - - /* The object doesn't respond to doesNotRecognize: or error:; Therefore, - a default action is taken. */ - objc_error (object, OBJC_ERR_UNIMPLEMENTED, "%s\n", msg); - - return 0; - } -} - -void -__objc_print_dtable_stats () -{ - 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); -} - -/* Returns the uninstalled dispatch table indicator. - If a class' dispatch table points to __objc_uninstalled_dtable - then that means it needs its dispatch table to be installed. */ -inline -struct sarray * -objc_get_uninstalled_dtable () -{ - return __objc_uninstalled_dtable; -} diff --git a/gcc-4.4.3/libobjc/thr-dce.c b/gcc-4.4.3/libobjc/thr-dce.c deleted file mode 100644 index ad31c8b1f..000000000 --- a/gcc-4.4.3/libobjc/thr-dce.c +++ /dev/null @@ -1,280 +0,0 @@ -/* GNU Objective C Runtime Thread Interface - Copyright (C) 1996, 1997, 2009 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 -<http://www.gnu.org/licenses/>. */ - - -#include <pthread.h> -#include "objc/thr.h" -#include "objc/runtime.h" - -/* Key structure for maintaining thread specific storage */ -static pthread_key_t _objc_thread_storage; - -/* Backend initialization functions */ - -/* Initialize the threads subsystem. */ -int -__objc_init_thread_system(void) -{ - /* Initialize the thread storage key */ - return pthread_keycreate(&_objc_thread_storage, NULL); -} - -/* Close the threads subsystem. */ -int -__objc_close_thread_system(void) -{ - /* Destroy the thread storage key */ - /* Not implemented yet */ - /* return pthread_key_delete(&_objc_thread_storage); */ - return 0; -} - -/* Backend thread functions */ - -/* Create a new thread of execution. */ -objc_thread_t -__objc_thread_detach(void (*func)(void *arg), void *arg) -{ - objc_thread_t thread_id; - pthread_t new_thread_handle; - - if (pthread_create(&new_thread_handle, pthread_attr_default, - (void *)func, arg) == 0) - { - /* ??? May not work! (64bit) */ - thread_id = *(objc_thread_t *)&new_thread_handle; - pthread_detach(&new_thread_handle); /* Fully detach thread. */ - } - else - thread_id = NULL; - - return thread_id; -} - -/* Set the current thread's priority. */ -int -__objc_thread_set_priority(int priority) -{ - int sys_priority = 0; - - switch (priority) - { - case OBJC_THREAD_INTERACTIVE_PRIORITY: - sys_priority = (PRI_FG_MIN_NP + PRI_FG_MAX_NP) / 2; - break; - default: - case OBJC_THREAD_BACKGROUND_PRIORITY: - sys_priority = (PRI_BG_MIN_NP + PRI_BG_MAX_NP) / 2; - break; - case OBJC_THREAD_LOW_PRIORITY: - sys_priority = (PRI_BG_MIN_NP + PRI_BG_MAX_NP) / 2; - break; - } - - /* Change the priority. */ - if (pthread_setprio(pthread_self(), sys_priority) >= 0) - return 0; - else - /* Failed */ - return -1; -} - -/* Return the current thread's priority. */ -int -__objc_thread_get_priority(void) -{ - int sys_priority; - - if ((sys_priority = pthread_getprio(pthread_self())) >= 0) { - if (sys_priority >= PRI_FG_MIN_NP && sys_priority <= PRI_FG_MAX_NP) - return OBJC_THREAD_INTERACTIVE_PRIORITY; - if (sys_priority >= PRI_BG_MIN_NP && sys_priority <= PRI_BG_MAX_NP) - return OBJC_THREAD_BACKGROUND_PRIORITY; - return OBJC_THREAD_LOW_PRIORITY; - } - - /* Failed */ - return -1; -} - -/* Yield our process time to another thread. */ -void -__objc_thread_yield(void) -{ - pthread_yield(); -} - -/* Terminate the current thread. */ -int -__objc_thread_exit(void) -{ - /* exit the thread */ - pthread_exit(&__objc_thread_exit_status); - - /* Failed if we reached here */ - return -1; -} - -/* Returns an integer value which uniquely describes a thread. */ -objc_thread_t -__objc_thread_id(void) -{ - pthread_t self = pthread_self(); - - return (objc_thread_t) pthread_getunique_np (&self); -} - -/* Sets the thread's local storage pointer. */ -int -__objc_thread_set_data(void *value) -{ - return pthread_setspecific(_objc_thread_storage, value); -} - -/* Returns the thread's local storage pointer. */ -void * -__objc_thread_get_data(void) -{ - void *value = NULL; - - if ( !(pthread_getspecific(_objc_thread_storage, &value)) ) - return value; - - return NULL; -} - -/* Backend mutex functions */ - -/* Allocate a mutex. */ -int -__objc_mutex_allocate(objc_mutex_t mutex) -{ - if (pthread_mutex_init((pthread_mutex_t *)(&(mutex->backend)), - pthread_mutexattr_default)) - return -1; - else - return 0; -} - -/* Deallocate a mutex. */ -int -__objc_mutex_deallocate(objc_mutex_t mutex) -{ - if (pthread_mutex_destroy((pthread_mutex_t *)(&(mutex->backend)))) - return -1; - else - return 0; -} - -/* Grab a lock on a mutex. */ -int -__objc_mutex_lock(objc_mutex_t mutex) -{ - return pthread_mutex_lock((pthread_mutex_t *)(&(mutex->backend))); -} - -/* Try to grab a lock on a mutex. */ -int -__objc_mutex_trylock(objc_mutex_t mutex) -{ - if (pthread_mutex_trylock((pthread_mutex_t *)(&(mutex->backend))) != 1) - return -1; - else - return 0; -} - -/* Unlock the mutex */ -int -__objc_mutex_unlock(objc_mutex_t mutex) -{ - return pthread_mutex_unlock((pthread_mutex_t *)(&(mutex->backend))); -} - -/* Backend condition mutex functions */ - -/* Allocate a condition. */ -int -__objc_condition_allocate(objc_condition_t condition) -{ - /* Unimplemented. */ - return -1; - - /* - if (pthread_cond_init((pthread_cond_t *)(&(condition->backend)), NULL)) - return -1; - else - return 0; - */ -} - -/* Deallocate a condition. */ -int -__objc_condition_deallocate(objc_condition_t condition) -{ - /* Unimplemented. */ - return -1; - - /* - return pthread_cond_destroy((pthread_cond_t *)(&(condition->backend))); - */ -} - -/* Wait on the condition */ -int -__objc_condition_wait(objc_condition_t condition, objc_mutex_t mutex) -{ - /* Unimplemented. */ - return -1; - - /* - return pthread_cond_wait((pthread_cond_t *)(&(condition->backend)), - (pthread_mutex_t *)(&(mutex->backend))); - */ -} - -/* Wake up all threads waiting on this condition. */ -int -__objc_condition_broadcast(objc_condition_t condition) -{ - /* Unimplemented. */ - return -1; - - /* - return pthread_cond_broadcast((pthread_cond_t *)(&(condition->backend))); - */ -} - -/* Wake up one thread waiting on this condition. */ -int -__objc_condition_signal(objc_condition_t condition) -{ - /* Unimplemented. */ - return -1; - - /* - return pthread_cond_signal((pthread_cond_t *)(&(condition->backend))); - */ -} - -/* End of File */ diff --git a/gcc-4.4.3/libobjc/thr-decosf1.c b/gcc-4.4.3/libobjc/thr-decosf1.c deleted file mode 100644 index ad31c8b1f..000000000 --- a/gcc-4.4.3/libobjc/thr-decosf1.c +++ /dev/null @@ -1,280 +0,0 @@ -/* GNU Objective C Runtime Thread Interface - Copyright (C) 1996, 1997, 2009 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 -<http://www.gnu.org/licenses/>. */ - - -#include <pthread.h> -#include "objc/thr.h" -#include "objc/runtime.h" - -/* Key structure for maintaining thread specific storage */ -static pthread_key_t _objc_thread_storage; - -/* Backend initialization functions */ - -/* Initialize the threads subsystem. */ -int -__objc_init_thread_system(void) -{ - /* Initialize the thread storage key */ - return pthread_keycreate(&_objc_thread_storage, NULL); -} - -/* Close the threads subsystem. */ -int -__objc_close_thread_system(void) -{ - /* Destroy the thread storage key */ - /* Not implemented yet */ - /* return pthread_key_delete(&_objc_thread_storage); */ - return 0; -} - -/* Backend thread functions */ - -/* Create a new thread of execution. */ -objc_thread_t -__objc_thread_detach(void (*func)(void *arg), void *arg) -{ - objc_thread_t thread_id; - pthread_t new_thread_handle; - - if (pthread_create(&new_thread_handle, pthread_attr_default, - (void *)func, arg) == 0) - { - /* ??? May not work! (64bit) */ - thread_id = *(objc_thread_t *)&new_thread_handle; - pthread_detach(&new_thread_handle); /* Fully detach thread. */ - } - else - thread_id = NULL; - - return thread_id; -} - -/* Set the current thread's priority. */ -int -__objc_thread_set_priority(int priority) -{ - int sys_priority = 0; - - switch (priority) - { - case OBJC_THREAD_INTERACTIVE_PRIORITY: - sys_priority = (PRI_FG_MIN_NP + PRI_FG_MAX_NP) / 2; - break; - default: - case OBJC_THREAD_BACKGROUND_PRIORITY: - sys_priority = (PRI_BG_MIN_NP + PRI_BG_MAX_NP) / 2; - break; - case OBJC_THREAD_LOW_PRIORITY: - sys_priority = (PRI_BG_MIN_NP + PRI_BG_MAX_NP) / 2; - break; - } - - /* Change the priority. */ - if (pthread_setprio(pthread_self(), sys_priority) >= 0) - return 0; - else - /* Failed */ - return -1; -} - -/* Return the current thread's priority. */ -int -__objc_thread_get_priority(void) -{ - int sys_priority; - - if ((sys_priority = pthread_getprio(pthread_self())) >= 0) { - if (sys_priority >= PRI_FG_MIN_NP && sys_priority <= PRI_FG_MAX_NP) - return OBJC_THREAD_INTERACTIVE_PRIORITY; - if (sys_priority >= PRI_BG_MIN_NP && sys_priority <= PRI_BG_MAX_NP) - return OBJC_THREAD_BACKGROUND_PRIORITY; - return OBJC_THREAD_LOW_PRIORITY; - } - - /* Failed */ - return -1; -} - -/* Yield our process time to another thread. */ -void -__objc_thread_yield(void) -{ - pthread_yield(); -} - -/* Terminate the current thread. */ -int -__objc_thread_exit(void) -{ - /* exit the thread */ - pthread_exit(&__objc_thread_exit_status); - - /* Failed if we reached here */ - return -1; -} - -/* Returns an integer value which uniquely describes a thread. */ -objc_thread_t -__objc_thread_id(void) -{ - pthread_t self = pthread_self(); - - return (objc_thread_t) pthread_getunique_np (&self); -} - -/* Sets the thread's local storage pointer. */ -int -__objc_thread_set_data(void *value) -{ - return pthread_setspecific(_objc_thread_storage, value); -} - -/* Returns the thread's local storage pointer. */ -void * -__objc_thread_get_data(void) -{ - void *value = NULL; - - if ( !(pthread_getspecific(_objc_thread_storage, &value)) ) - return value; - - return NULL; -} - -/* Backend mutex functions */ - -/* Allocate a mutex. */ -int -__objc_mutex_allocate(objc_mutex_t mutex) -{ - if (pthread_mutex_init((pthread_mutex_t *)(&(mutex->backend)), - pthread_mutexattr_default)) - return -1; - else - return 0; -} - -/* Deallocate a mutex. */ -int -__objc_mutex_deallocate(objc_mutex_t mutex) -{ - if (pthread_mutex_destroy((pthread_mutex_t *)(&(mutex->backend)))) - return -1; - else - return 0; -} - -/* Grab a lock on a mutex. */ -int -__objc_mutex_lock(objc_mutex_t mutex) -{ - return pthread_mutex_lock((pthread_mutex_t *)(&(mutex->backend))); -} - -/* Try to grab a lock on a mutex. */ -int -__objc_mutex_trylock(objc_mutex_t mutex) -{ - if (pthread_mutex_trylock((pthread_mutex_t *)(&(mutex->backend))) != 1) - return -1; - else - return 0; -} - -/* Unlock the mutex */ -int -__objc_mutex_unlock(objc_mutex_t mutex) -{ - return pthread_mutex_unlock((pthread_mutex_t *)(&(mutex->backend))); -} - -/* Backend condition mutex functions */ - -/* Allocate a condition. */ -int -__objc_condition_allocate(objc_condition_t condition) -{ - /* Unimplemented. */ - return -1; - - /* - if (pthread_cond_init((pthread_cond_t *)(&(condition->backend)), NULL)) - return -1; - else - return 0; - */ -} - -/* Deallocate a condition. */ -int -__objc_condition_deallocate(objc_condition_t condition) -{ - /* Unimplemented. */ - return -1; - - /* - return pthread_cond_destroy((pthread_cond_t *)(&(condition->backend))); - */ -} - -/* Wait on the condition */ -int -__objc_condition_wait(objc_condition_t condition, objc_mutex_t mutex) -{ - /* Unimplemented. */ - return -1; - - /* - return pthread_cond_wait((pthread_cond_t *)(&(condition->backend)), - (pthread_mutex_t *)(&(mutex->backend))); - */ -} - -/* Wake up all threads waiting on this condition. */ -int -__objc_condition_broadcast(objc_condition_t condition) -{ - /* Unimplemented. */ - return -1; - - /* - return pthread_cond_broadcast((pthread_cond_t *)(&(condition->backend))); - */ -} - -/* Wake up one thread waiting on this condition. */ -int -__objc_condition_signal(objc_condition_t condition) -{ - /* Unimplemented. */ - return -1; - - /* - return pthread_cond_signal((pthread_cond_t *)(&(condition->backend))); - */ -} - -/* End of File */ diff --git a/gcc-4.4.3/libobjc/thr-irix.c b/gcc-4.4.3/libobjc/thr-irix.c deleted file mode 100644 index 84a5fc1da..000000000 --- a/gcc-4.4.3/libobjc/thr-irix.c +++ /dev/null @@ -1,234 +0,0 @@ -/* GNU Objective C Runtime Thread Interface - SGI IRIX Implementation - Copyright (C) 1996, 1997, 2009 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 -<http://www.gnu.org/licenses/>. */ - - -#include <stdlib.h> -#include <sys/types.h> -#include <sys/sysmp.h> -#include <sys/prctl.h> -#include <ulocks.h> -#include "objc/thr.h" -#include "objc/runtime.h" - -/* Key structure for maintaining thread specific storage */ -static void * __objc_shared_arena_handle = NULL; - -/* Backend initialization functions */ - -/* Initialize the threads subsystem. */ -int -__objc_init_thread_system(void) -{ - /* Name of IRIX arena. */ - char arena_name[64]; - - DEBUG_PRINTF("__objc_init_thread_system\n"); - - /* Construct a temporary name for arena. */ - sprintf(arena_name, "/usr/tmp/objc_%05u", (unsigned)getpid()); - - /* Up to 256 threads. Arena only for threads. */ - usconfig(CONF_INITUSERS, 256); - usconfig(CONF_ARENATYPE, US_SHAREDONLY); - - /* Initialize the arena */ - if (!(__objc_shared_arena_handle = usinit(arena_name))) - /* Failed */ - return -1; - - return 0; -} - -/* Close the threads subsystem. */ -int -__objc_close_thread_system(void) -{ - return 0; -} - -/* Backend thread functions */ - -/* Create a new thread of execution. */ -objc_thread_t -__objc_thread_detach(void (*func)(void *arg), void *arg) -{ - objc_thread_t thread_id; - int sys_id; - - if ((sys_id = sproc((void *)func, PR_SALL, arg)) >= 0) - thread_id = (objc_thread_t)sys_id; - else - thread_id = NULL; - - return thread_id; -} - -/* Set the current thread's priority. */ -int -__objc_thread_set_priority(int priority) -{ - /* Not implemented yet */ - return -1; -} - -/* Return the current thread's priority. */ -int -__objc_thread_get_priority(void) -{ - /* Not implemented yet */ - return OBJC_THREAD_INTERACTIVE_PRIORITY; -} - -/* Yield our process time to another thread. */ -void -__objc_thread_yield(void) -{ - sginap(0); -} - -/* Terminate the current thread. */ -int -__objc_thread_exit(void) -{ - /* IRIX only has exit. */ - exit(__objc_thread_exit_status); - - /* Failed if we reached here */ - return -1; -} - -/* Returns an integer value which uniquely describes a thread. */ -objc_thread_t -__objc_thread_id(void) -{ - /* Threads are processes. */ - return (objc_thread_t)get_pid(); -} - -/* Sets the thread's local storage pointer. */ -int -__objc_thread_set_data(void *value) -{ - *((void **)&PRDA->usr_prda) = value; - return 0; -} - -/* Returns the thread's local storage pointer. */ -void * -__objc_thread_get_data(void) -{ - return *((void **)&PRDA->usr_prda); -} - -/* Backend mutex functions */ - -/* Allocate a mutex. */ -int -__objc_mutex_allocate(objc_mutex_t mutex) -{ - if (!( (ulock_t)(mutex->backend) = usnewlock(__objc_shared_arena_handle) )) - return -1; - else - return 0; -} - -/* Deallocate a mutex. */ -int -__objc_mutex_deallocate(objc_mutex_t mutex) -{ - usfreelock((ulock_t)(mutex->backend), __objc_shared_arena_handle); - return 0; -} - -/* Grab a lock on a mutex. */ -int -__objc_mutex_lock(objc_mutex_t mutex) -{ - if (ussetlock((ulock_t)(mutex->backend)) == 0) - return -1; - else - return 0; -} - -/* Try to grab a lock on a mutex. */ -int -__objc_mutex_trylock(objc_mutex_t mutex) -{ - if (ustestlock((ulock_t)(mutex->backend)) == 0) - return -1; - else - return 0; -} - -/* Unlock the mutex */ -int -__objc_mutex_unlock(objc_mutex_t mutex) -{ - usunsetlock((ulock_t)(mutex->backend)); - return 0; -} - -/* Backend condition mutex functions */ - -/* Allocate a condition. */ -int -__objc_condition_allocate(objc_condition_t condition) -{ - /* Unimplemented. */ - return -1; -} - -/* Deallocate a condition. */ -int -__objc_condition_deallocate(objc_condition_t condition) -{ - /* Unimplemented. */ - return -1; -} - -/* Wait on the condition */ -int -__objc_condition_wait(objc_condition_t condition, objc_mutex_t mutex) -{ - /* Unimplemented. */ - return -1; -} - -/* Wake up all threads waiting on this condition. */ -int -__objc_condition_broadcast(objc_condition_t condition) -{ - /* Unimplemented. */ - return -1; -} - -/* Wake up one thread waiting on this condition. */ -int -__objc_condition_signal(objc_condition_t condition) -{ - /* Unimplemented. */ - return -1; -} - -/* End of File */ diff --git a/gcc-4.4.3/libobjc/thr-mach.c b/gcc-4.4.3/libobjc/thr-mach.c deleted file mode 100644 index 19b95db68..000000000 --- a/gcc-4.4.3/libobjc/thr-mach.c +++ /dev/null @@ -1,312 +0,0 @@ -/* GNU Objective C Runtime Thread Implementation - Copyright (C) 1996, 1997, 2002, 2009 Free Software Foundation, Inc. - Contributed by Galen C. Hunt (gchunt@cs.rochester.edu) - Modified for Mach threads by Bill Bumgarner <bbum@friday.com> - Condition functions added by Mircea Oancea <mircea@first.elcom.pub.ro> - -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 -<http://www.gnu.org/licenses/>. */ - - -#include <mach/mach.h> -#include <mach/cthreads.h> -#include "objc/thr.h" -#include "objc/runtime.h" - -/* - Obtain the maximum thread priority that can set for t. Under the - mach threading model, it is possible for the developer to adjust the - maximum priority downward only-- cannot be raised without superuser - privileges. Once lowered, it cannot be raised. - */ -static int -__mach_get_max_thread_priority (cthread_t t, int *base) -{ - thread_t threadP; - kern_return_t error; - struct thread_sched_info info; - unsigned int info_count=THREAD_SCHED_INFO_COUNT; - - if (t == NULL) - return -1; - - threadP = cthread_thread (t); /* get thread underlying */ - - error = thread_info (threadP, THREAD_SCHED_INFO, - (thread_info_t) &info, &info_count); - - if (error != KERN_SUCCESS) - return -1; - - if (base != NULL) - *base = info.base_priority; - - return info.max_priority; -} - -/* Backend initialization functions */ - -/* Initialize the threads subsystem. */ -int -__objc_init_thread_system (void) -{ - return 0; -} - -/* Close the threads subsystem. */ -int -__objc_close_thread_system (void) -{ - return 0; -} - -/* Backend thread functions */ - -/* Create a new thread of execution. */ -objc_thread_t -__objc_thread_detach (void (*func) (void *arg), void *arg) -{ - objc_thread_t thread_id; - cthread_t new_thread_handle; - - /* create thread */ - new_thread_handle = cthread_fork ((cthread_fn_t) func, arg); - - if (new_thread_handle) - { - /* this is not terribly portable */ - thread_id = *(objc_thread_t *) &new_thread_handle; - cthread_detach (new_thread_handle); - } - else - thread_id = NULL; - - return thread_id; -} - -/* Set the current thread's priority. */ -int -__objc_thread_set_priority (int priority) -{ - objc_thread_t *t = objc_thread_id (); - cthread_t cT = (cthread_t) t; - int maxPriority = __mach_get_max_thread_priority (cT, NULL); - int sys_priority = 0; - - if (maxPriority == -1) - return -1; - - switch (priority) - { - case OBJC_THREAD_INTERACTIVE_PRIORITY: - sys_priority = maxPriority; - break; - case OBJC_THREAD_BACKGROUND_PRIORITY: - sys_priority = (maxPriority * 2) / 3; - break; - case OBJC_THREAD_LOW_PRIORITY: - sys_priority = maxPriority / 3; - break; - default: - return -1; - } - - if (sys_priority == 0) - return -1; - - /* Change the priority */ - if (cthread_priority (cT, sys_priority, 0) == KERN_SUCCESS) - return 0; - else - return -1; -} - -/* Return the current thread's priority. */ -int -__objc_thread_get_priority (void) -{ - objc_thread_t *t = objc_thread_id (); - cthread_t cT = (cthread_t) t; /* see objc_thread_id () */ - int basePriority; - int maxPriority; - int sys_priority = 0; - - int interactiveT, backgroundT, lowT; /* thresholds */ - - maxPriority = __mach_get_max_thread_priority (cT, &basePriority); - - if (maxPriority == -1) - return -1; - - if (basePriority > ( (maxPriority * 2) / 3)) - return OBJC_THREAD_INTERACTIVE_PRIORITY; - - if (basePriority > ( maxPriority / 3)) - return OBJC_THREAD_BACKGROUND_PRIORITY; - - return OBJC_THREAD_LOW_PRIORITY; -} - -/* Yield our process time to another thread. */ -void -__objc_thread_yield (void) -{ - cthread_yield (); -} - -/* Terminate the current thread. */ -int -__objc_thread_exit (void) -{ - /* exit the thread */ - cthread_exit (&__objc_thread_exit_status); - - /* Failed if we reached here */ - return -1; -} - -/* Returns an integer value which uniquely describes a thread. */ -objc_thread_t -__objc_thread_id (void) -{ - cthread_t self = cthread_self (); - - return *(objc_thread_t *) &self; -} - -/* Sets the thread's local storage pointer. */ -int -__objc_thread_set_data (void *value) -{ - cthread_set_data (cthread_self (), (any_t) value); - return 0; -} - -/* Returns the thread's local storage pointer. */ -void * -__objc_thread_get_data (void) -{ - return (void *) cthread_data (cthread_self ()); -} - -/* Backend mutex functions */ - -/* Allocate a mutex. */ -int -__objc_mutex_allocate (objc_mutex_t mutex) -{ - int err = 0; - mutex->backend = objc_malloc (sizeof (struct mutex)); - - err = mutex_init ((mutex_t) (mutex->backend)); - - if (err != 0) - { - objc_free (mutex->backend); - return -1; - } - else - return 0; -} - -/* Deallocate a mutex. */ -int -__objc_mutex_deallocate (objc_mutex_t mutex) -{ - mutex_clear ((mutex_t) (mutex->backend)); - - objc_free (mutex->backend); - mutex->backend = NULL; - return 0; -} - -/* Grab a lock on a mutex. */ -int -__objc_mutex_lock (objc_mutex_t mutex) -{ - mutex_lock ((mutex_t) (mutex->backend)); - return 0; -} - -/* Try to grab a lock on a mutex. */ -int -__objc_mutex_trylock (objc_mutex_t mutex) -{ - if (mutex_try_lock ((mutex_t) (mutex->backend)) == 0) - return -1; - else - return 0; -} - -/* Unlock the mutex */ -int -__objc_mutex_unlock (objc_mutex_t mutex) -{ - mutex_unlock ((mutex_t) (mutex->backend)); - return 0; -} - -/* Backend condition mutex functions */ - -/* Allocate a condition. */ -int -__objc_condition_allocate (objc_condition_t condition) -{ - condition->backend = objc_malloc (sizeof (struct condition)); - condition_init ((condition_t) (condition->backend)); - return 0; -} - -/* Deallocate a condition. */ -int -__objc_condition_deallocate (objc_condition_t condition) -{ - condition_clear ((condition_t) (condition->backend)); - objc_free (condition->backend); - condition->backend = NULL; - return 0; -} - -/* Wait on the condition */ -int -__objc_condition_wait (objc_condition_t condition, objc_mutex_t mutex) -{ - condition_wait ((condition_t) (condition->backend), - (mutex_t) (mutex->backend)); - return 0; -} - -/* Wake up all threads waiting on this condition. */ -int -__objc_condition_broadcast (objc_condition_t condition) -{ - condition_broadcast ((condition_t) (condition->backend)); - return 0; -} - -/* Wake up one thread waiting on this condition. */ -int -__objc_condition_signal (objc_condition_t condition) -{ - condition_signal ((condition_t) (condition->backend)); - return 0; -} - -/* End of File */ diff --git a/gcc-4.4.3/libobjc/thr-objc.c b/gcc-4.4.3/libobjc/thr-objc.c deleted file mode 100644 index 5cc6433c6..000000000 --- a/gcc-4.4.3/libobjc/thr-objc.c +++ /dev/null @@ -1,191 +0,0 @@ -/* GNU Objective C Runtime Thread Interface. - Copyright (C) 1999, 2000, 2001, 2002, 2003, 2005, 2006, 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 -<http://www.gnu.org/licenses/>. */ - - -#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/runtime.h" -#include <gthr.h> - -/* Backend initialization functions */ - -/* Initialize the threads subsystem. */ -int -__objc_init_thread_system(void) -{ - return __gthread_objc_init_thread_system (); -} - -/* Close the threads subsystem. */ -int -__objc_close_thread_system(void) -{ - return __gthread_objc_close_thread_system (); -} - -/* Backend thread functions */ - -/* Create a new thread of execution. */ -objc_thread_t -__objc_thread_detach(void (*func)(void *), void *arg) -{ - return __gthread_objc_thread_detach (func, arg); -} - -/* 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. */ -void -__objc_thread_yield(void) -{ - __gthread_objc_thread_yield (); -} - -/* Terminate the current thread. */ -int -__objc_thread_exit(void) -{ - return __gthread_objc_thread_exit (); -} - -/* Returns an integer value which uniquely describes a thread. */ -objc_thread_t -__objc_thread_id(void) -{ - return __gthread_objc_thread_id (); -} - -/* Sets the thread's local storage pointer. */ -int -__objc_thread_set_data(void *value) -{ - return __gthread_objc_thread_set_data (value); -} - -/* Returns the thread's local storage pointer. */ -void * -__objc_thread_get_data(void) -{ - return __gthread_objc_thread_get_data (); -} - -/* Backend mutex functions */ - -/* Allocate a mutex. */ -int -__objc_mutex_allocate(objc_mutex_t mutex) -{ - return __gthread_objc_mutex_allocate (mutex); -} - -/* Deallocate a mutex. */ -int -__objc_mutex_deallocate(objc_mutex_t mutex) -{ - return __gthread_objc_mutex_deallocate (mutex); -} - -/* Grab a lock on a mutex. */ -int -__objc_mutex_lock(objc_mutex_t mutex) -{ - return __gthread_objc_mutex_lock (mutex); -} - -/* Try to grab a lock on a mutex. */ -int -__objc_mutex_trylock(objc_mutex_t mutex) -{ - return __gthread_objc_mutex_trylock (mutex); -} - -/* Unlock the mutex */ -int -__objc_mutex_unlock(objc_mutex_t mutex) -{ - return __gthread_objc_mutex_unlock (mutex); -} - -/* Backend condition mutex functions */ - -/* Allocate a condition. */ -int -__objc_condition_allocate(objc_condition_t condition) -{ - return __gthread_objc_condition_allocate (condition); -} - -/* Deallocate a condition. */ -int -__objc_condition_deallocate(objc_condition_t condition) -{ - return __gthread_objc_condition_deallocate (condition); -} - -/* Wait on the condition */ -int -__objc_condition_wait(objc_condition_t condition, objc_mutex_t mutex) -{ - return __gthread_objc_condition_wait (condition, mutex); -} - -/* Wake up all threads waiting on this condition. */ -int -__objc_condition_broadcast(objc_condition_t condition) -{ - return __gthread_objc_condition_broadcast (condition); -} - -/* Wake up one thread waiting on this condition. */ -int -__objc_condition_signal(objc_condition_t condition) -{ - return __gthread_objc_condition_signal (condition); -} - -/* End of File */ diff --git a/gcc-4.4.3/libobjc/thr-os2.c b/gcc-4.4.3/libobjc/thr-os2.c deleted file mode 100644 index 1f9e3ae5c..000000000 --- a/gcc-4.4.3/libobjc/thr-os2.c +++ /dev/null @@ -1,266 +0,0 @@ -/* GNU Objective C Runtime Thread Interface - OS/2 emx Implementation - Copyright (C) 1996, 1997, 2009 Free Software Foundation, Inc. - Contributed by Thomas Baier (baier@ci.tuwien.ac.at) - -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 -<http://www.gnu.org/licenses/>. */ - - -#include "objc/thr.h" -#include "objc/runtime.h" - -#define INCL_DOSSEMAPHORES -#define INCL_DOSPROCESS - -/* - * conflicts with objc.h: SEL, BOOL, id - * solution: prefixing those with _OS2_ before including <os2.h> - */ -#define SEL _OS2_SEL -#define BOOL _OS2_BOOL -#define id _OS2_id -#include <os2.h> -#undef id -#undef SEL -#undef BOOL - -#include <stdlib.h> - -/* Backend initialization functions */ - -/* Initialize the threads subsystem. */ -int -__objc_init_thread_system(void) -{ - return 0; -} - -/* Close the threads subsystem. */ -int -__objc_close_thread_system(void) -{ - return 0; -} - -/* Backend thread functions */ - -/* Create a new thread of execution. */ -objc_thread_t -__objc_thread_detach(void (*func)(void *arg), void *arg) -{ - int thread_id = 0; - - if ((thread_id = _beginthread (func,NULL,32768,arg)) < 0) - thread_id = 0; - - return (objc_thread_t)thread_id; -} - -/* Set the current thread's priority. */ -int -__objc_thread_set_priority(int priority) -{ - ULONG sys_class = 0; - ULONG sys_priority = 0; - - /* OBJC_THREAD_INTERACTIVE_PRIORITY -> PRTYC_FOREGROUNDSERVER - * OBJC_THREAD_BACKGROUND_PRIORITY -> PRTYC_REGULAR - * OBJC_THREAD_LOW_PRIORITY -> PRTYC_IDLETIME */ - - switch (priority) { - case OBJC_THREAD_INTERACTIVE_PRIORITY: - sys_class = PRTYC_REGULAR; - sys_priority = 10; - break; - default: - case OBJC_THREAD_BACKGROUND_PRIORITY: - sys_class = PRTYC_IDLETIME; - sys_priority = 25; - break; - case OBJC_THREAD_LOW_PRIORITY: - sys_class = PRTYC_IDLETIME; - sys_priority = 0; - break; - } - - /* Change priority */ - if (!DosSetPriority (PRTYS_THREAD,sys_class,sys_priority,*_threadid)) - return 0; - else - return -1; -} - -/* Return the current thread's priority. */ -int -__objc_thread_get_priority(void) -{ - PTIB ptib; - PPIB ppib; - - /* get information about current thread */ - DosGetInfoBlocks (&ptib,&ppib); - - switch (ptib->tib_ptib2->tib2_ulpri) - { - case PRTYC_IDLETIME: - case PRTYC_REGULAR: - case PRTYC_TIMECRITICAL: - case PRTYC_FOREGROUNDSERVER: - default: - return OBJC_THREAD_INTERACTIVE_PRIORITY; - } - - return -1; -} - -/* Yield our process time to another thread. */ -void -__objc_thread_yield(void) -{ - DosSleep (0); -} - -/* Terminate the current thread. */ -int -__objc_thread_exit(void) -{ - /* terminate the thread, NEVER use DosExit () */ - _endthread (); - - /* Failed if we reached here */ - return -1; -} - -/* Returns an integer value which uniquely describes a thread. */ -objc_thread_t -__objc_thread_id(void) -{ - return (objc_thread_t) *_threadid; -} - -/* Sets the thread's local storage pointer. */ -int -__objc_thread_set_data(void *value) -{ - *_threadstore () = value; - - return 0; -} - -/* Returns the thread's local storage pointer. */ -void * -__objc_thread_get_data(void) -{ - return *_threadstore (); -} - -/* Backend mutex functions */ - -/* Allocate a mutex. */ -int -__objc_mutex_allocate(objc_mutex_t mutex) -{ - if (DosCreateMutexSem (NULL, (HMTX)(&(mutex->backend)),0L,0) > 0) - return -1; - else - return 0; -} - -/* Deallocate a mutex. */ -int -__objc_mutex_deallocate(objc_mutex_t mutex) -{ - DosCloseMutexSem ((HMTX)(mutex->backend)); - return 0; -} - -/* Grab a lock on a mutex. */ -int -__objc_mutex_lock(objc_mutex_t mutex) -{ - if (DosRequestMutexSem ((HMTX)(mutex->backend),-1L) != 0) - return -1; - else - return 0; -} - -/* Try to grab a lock on a mutex. */ -int -__objc_mutex_trylock(objc_mutex_t mutex) -{ - if (DosRequestMutexSem ((HMTX)(mutex->backend),0L) != 0) - return -1; - else - return 0; -} - -/* Unlock the mutex */ -int -__objc_mutex_unlock(objc_mutex_t mutex) -{ - if (DosReleaseMutexSem((HMTX)(mutex->backend)) != 0) - return -1; - else - return 0; -} - -/* Backend condition mutex functions */ - -/* Allocate a condition. */ -int -__objc_condition_allocate(objc_condition_t condition) -{ - /* Unimplemented. */ - return -1; -} - -/* Deallocate a condition. */ -int -__objc_condition_deallocate(objc_condition_t condition) -{ - /* Unimplemented. */ - return -1; -} - -/* Wait on the condition */ -int -__objc_condition_wait(objc_condition_t condition, objc_mutex_t mutex) -{ - /* Unimplemented. */ - return -1; -} - -/* Wake up all threads waiting on this condition. */ -int -__objc_condition_broadcast(objc_condition_t condition) -{ - /* Unimplemented. */ - return -1; -} - -/* Wake up one thread waiting on this condition. */ -int -__objc_condition_signal(objc_condition_t condition) -{ - /* Unimplemented. */ - return -1; -} - -/* End of File */ diff --git a/gcc-4.4.3/libobjc/thr-posix.c b/gcc-4.4.3/libobjc/thr-posix.c deleted file mode 100644 index 6e6061457..000000000 --- a/gcc-4.4.3/libobjc/thr-posix.c +++ /dev/null @@ -1,317 +0,0 @@ -/* GNU Objective C Runtime Thread Interface for POSIX compliant threads - Copyright (C) 1996, 1997, 2009 Free Software Foundation, Inc. - Contributed by Galen C. Hunt (gchunt@cs.rochester.edu) - Modified for Linux/Pthreads by Kai-Uwe Sattler (kus@iti.cs.uni-magdeburg.de) - Modified for posix compliance by Chris Ball (cball@fmco.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 -<http://www.gnu.org/licenses/>. */ - - -#include "objc/thr.h" -#include "objc/runtime.h" -#include <pthread.h> - -/* Key structure for maintaining thread specific storage */ -static pthread_key_t _objc_thread_storage; -static pthread_attr_t _objc_thread_attribs; - -/* Backend initialization functions */ - -/* Initialize the threads subsystem. */ -int -__objc_init_thread_system(void) -{ - /* Initialize the thread storage key */ - if (pthread_key_create(&_objc_thread_storage, NULL) == 0) - { - /* - * The normal default detach state for threads is PTHREAD_CREATE_JOINABLE - * which causes threads to not die when you think they should. - */ - if (pthread_attr_init(&_objc_thread_attribs) == 0) - { - if (pthread_attr_setdetachstate(&_objc_thread_attribs, - PTHREAD_CREATE_DETACHED) == 0) - return 0; - } - } - - return -1; -} - -/* Close the threads subsystem. */ -int -__objc_close_thread_system(void) -{ - if (pthread_key_delete(_objc_thread_storage) == 0) - { - if (pthread_attr_destroy(&_objc_thread_attribs) == 0) - return 0; - } - - return -1; -} - -/* Backend thread functions */ - -/* Create a new thread of execution. */ -objc_thread_t -__objc_thread_detach(void (*func)(void *arg), void *arg) -{ - objc_thread_t thread_id; - pthread_t new_thread_handle; - - if (!(pthread_create(&new_thread_handle, &_objc_thread_attribs, - (void *)func, arg))) - thread_id = *(objc_thread_t *)&new_thread_handle; - else - thread_id = NULL; - - return thread_id; -} - -/* Set the current thread's priority. - * - * Be aware that the default schedpolicy often disallows thread priorities. - */ -int -__objc_thread_set_priority(int priority) -{ - pthread_t thread_id = pthread_self(); - int policy; - struct sched_param params; - int priority_min, priority_max; - - if (pthread_getschedparam(thread_id, &policy, ¶ms) == 0) - { - if ((priority_max = sched_get_priority_max(policy)) != 0) - return -1; - - if ((priority_min = sched_get_priority_min(policy)) != 0) - return -1; - - if (priority > priority_max) - priority = priority_max; - else if (priority < priority_min) - priority = priority_min; - params.sched_priority = priority; - - /* - * The solaris 7 and several other man pages incorrectly state that - * this should be a pointer to policy but pthread.h is universally - * at odds with this. - */ - if (pthread_setschedparam(thread_id, policy, ¶ms) == 0) - return 0; - } - return -1; -} - -/* Return the current thread's priority. */ -int -__objc_thread_get_priority(void) -{ - int policy; - struct sched_param params; - - if (pthread_getschedparam(pthread_self(), &policy, ¶ms) == 0) - return params.sched_priority; - else - return -1; -} - -/* Yield our process time to another thread. */ -void -__objc_thread_yield(void) -{ - sched_yield(); -} - -/* Terminate the current thread. */ -int -__objc_thread_exit(void) -{ - /* exit the thread */ - pthread_exit(&__objc_thread_exit_status); - - /* Failed if we reached here */ - return -1; -} - -/* Returns an integer value which uniquely describes a thread. */ -objc_thread_t -__objc_thread_id(void) -{ - pthread_t self = pthread_self(); - - return *(objc_thread_t *)&self; -} - -/* Sets the thread's local storage pointer. */ -int -__objc_thread_set_data(void *value) -{ - if (pthread_setspecific(_objc_thread_storage, value) == 0) - return 0; - else - return -1; -} - -/* Returns the thread's local storage pointer. */ -void * -__objc_thread_get_data(void) -{ - return pthread_getspecific(_objc_thread_storage); -} - -/* Backend mutex functions */ - -/* Allocate a mutex. */ -int -__objc_mutex_allocate(objc_mutex_t mutex) -{ - mutex->backend = objc_malloc(sizeof(pthread_mutex_t)); - - if (pthread_mutex_init((pthread_mutex_t *)mutex->backend, NULL)) - { - objc_free(mutex->backend); - mutex->backend = NULL; - return -1; - } - - return 0; -} - -/* Deallocate a mutex. */ -int -__objc_mutex_deallocate(objc_mutex_t mutex) -{ - int count = 1; - - /* - * Posix Threads specifically require that the thread be unlocked for - * pthread_mutex_destroy to work. - */ - - while (count) - { - if ((count = pthread_mutex_unlock((pthread_mutex_t*)mutex->backend)) < 0) - return -1; - } - - if (pthread_mutex_destroy((pthread_mutex_t *)mutex->backend)) - return -1; - - objc_free(mutex->backend); - mutex->backend = NULL; - return 0; -} - -/* Grab a lock on a mutex. */ -int -__objc_mutex_lock(objc_mutex_t mutex) -{ - if (pthread_mutex_lock((pthread_mutex_t *)mutex->backend) == 0) - return 0; - else - return -1; -} - -/* Try to grab a lock on a mutex. */ -int -__objc_mutex_trylock(objc_mutex_t mutex) -{ - if (pthread_mutex_trylock((pthread_mutex_t *)mutex->backend) == 0) - return 0; - else - return -1; -} - -/* Unlock the mutex */ -int -__objc_mutex_unlock(objc_mutex_t mutex) -{ - if (pthread_mutex_unlock((pthread_mutex_t *)mutex->backend) == 0) - return 0; - else - return -1; -} - -/* Backend condition mutex functions */ - -/* Allocate a condition. */ -int -__objc_condition_allocate(objc_condition_t condition) -{ - condition->backend = objc_malloc(sizeof(pthread_cond_t)); - - if (pthread_cond_init((pthread_cond_t *)condition->backend, NULL)) - { - objc_free(condition->backend); - condition->backend = NULL; - return -1; - } - - return 0; -} - -/* Deallocate a condition. */ -int -__objc_condition_deallocate(objc_condition_t condition) -{ - if (pthread_cond_destroy((pthread_cond_t *)condition->backend)) - return -1; - - objc_free(condition->backend); - condition->backend = NULL; - return 0; -} - -/* Wait on the condition */ -int -__objc_condition_wait(objc_condition_t condition, objc_mutex_t mutex) -{ - if (pthread_cond_wait((pthread_cond_t *)condition->backend, - (pthread_mutex_t *)mutex->backend) == 0) - return 0; - else - return -1; -} - -/* Wake up all threads waiting on this condition. */ -int -__objc_condition_broadcast(objc_condition_t condition) -{ - if (pthread_cond_broadcast((pthread_cond_t *)condition->backend) == 0) - return 0; - else - return -1; -} - -/* Wake up one thread waiting on this condition. */ -int -__objc_condition_signal(objc_condition_t condition) -{ - if (pthread_cond_signal((pthread_cond_t *)condition->backend) == 0) - return 0; - else - return -1; -} diff --git a/gcc-4.4.3/libobjc/thr-pthreads.c b/gcc-4.4.3/libobjc/thr-pthreads.c deleted file mode 100644 index d0a46f864..000000000 --- a/gcc-4.4.3/libobjc/thr-pthreads.c +++ /dev/null @@ -1,217 +0,0 @@ -/* GNU Objective C Runtime Thread Implementation for PCThreads under GNU/Linux. - Copyright (C) 1996, 1997, 2009 Free Software Foundation, Inc. - Contributed by Scott Christley <scottc@net-community.com> - Condition functions added by: Mircea Oancea <mircea@first.elcom.pub.ro> - -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 -<http://www.gnu.org/licenses/>. */ - - -#include <pcthread.h> -#include "objc/thr.h" -#include "objc/runtime.h" - -/* Key structure for maintaining thread specific storage */ -static pthread_key_t _objc_thread_storage; - -/* Backend initialization functions */ - -/* Initialize the threads subsystem. */ -int -__objc_init_thread_system(void) -{ - /* Initialize the thread storage key */ - return pthread_key_create(&_objc_thread_storage, NULL); -} - -/* Close the threads subsystem. */ -int -__objc_close_thread_system(void) -{ - /* Destroy the thread storage key */ - /* Not implemented yet */ - /* return pthread_key_delete(&_objc_thread_storage); */ - return 0; -} - -/* Backend thread functions */ - -/* Create a new thread of execution. */ -objc_thread_t -__objc_thread_detach(void (*func)(void *arg), void *arg) -{ - objc_thread_t thread_id; - pthread_t new_thread_handle; - - if ( !(pthread_create(&new_thread_handle, NULL, (void *)func, arg)) ) - thread_id = *(objc_thread_t *)&new_thread_handle; - else - thread_id = NULL; - - return thread_id; -} - -/* Set the current thread's priority. */ -int -__objc_thread_set_priority(int priority) -{ - /* Not implemented yet */ - return -1; -} - -/* Return the current thread's priority. */ -int -__objc_thread_get_priority(void) -{ - /* Not implemented yet */ - return OBJC_THREAD_INTERACTIVE_PRIORITY; -} - -/* Yield our process time to another thread. */ -void -__objc_thread_yield(void) -{ - pthread_yield(NULL); -} - -/* Terminate the current thread. */ -int -__objc_thread_exit(void) -{ - /* exit the thread */ - pthread_exit(&__objc_thread_exit_status); - - /* Failed if we reached here */ - return -1; -} - -/* Returns an integer value which uniquely describes a thread. */ -objc_thread_t -__objc_thread_id(void) -{ - pthread_t self = pthread_self(); - - return *(objc_thread_t *)&self; -} - -/* Sets the thread's local storage pointer. */ -int -__objc_thread_set_data(void *value) -{ - return pthread_setspecific(_objc_thread_storage, value); -} - -/* Returns the thread's local storage pointer. */ -void * -__objc_thread_get_data(void) -{ - void *value = NULL; - - if ( !(pthread_getspecific(_objc_thread_storage, &value)) ) - return value; - - return NULL; -} - -/* Backend mutex functions */ - -/* Allocate a mutex. */ -int -__objc_mutex_allocate(objc_mutex_t mutex) -{ - if (pthread_mutex_init((pthread_mutex_t *)(&(mutex->backend)), NULL)) - return -1; - else - return 0; -} - -/* Deallocate a mutex. */ -int -__objc_mutex_deallocate(objc_mutex_t mutex) -{ - if (pthread_mutex_destroy((pthread_mutex_t *)(&(mutex->backend)))) - return -1; - else - return 0; -} - -/* Grab a lock on a mutex. */ -int -__objc_mutex_lock(objc_mutex_t mutex) -{ - return pthread_mutex_lock((pthread_mutex_t *)(&(mutex->backend))); -} - -/* Try to grab a lock on a mutex. */ -int -__objc_mutex_trylock(objc_mutex_t mutex) -{ - return pthread_mutex_trylock((pthread_mutex_t *)(&(mutex->backend))); -} - -/* Unlock the mutex */ -int -__objc_mutex_unlock(objc_mutex_t mutex) -{ - return pthread_mutex_unlock((pthread_mutex_t *)(&(mutex->backend))); -} - -/* Backend condition mutex functions */ - -/* Allocate a condition. */ -int -__objc_condition_allocate(objc_condition_t condition) -{ - if (pthread_cond_init((pthread_cond_t *)(&(condition->backend)), NULL)) - return -1; - else - return 0; -} - -/* Deallocate a condition. */ -int -__objc_condition_deallocate(objc_condition_t condition) -{ - return pthread_cond_destroy((pthread_cond_t *)(&(condition->backend))); -} - -/* Wait on the condition */ -int -__objc_condition_wait(objc_condition_t condition, objc_mutex_t mutex) -{ - return pthread_cond_wait((pthread_cond_t *)(&(condition->backend)), - (pthread_mutex_t *)(&(mutex->backend))); -} - -/* Wake up all threads waiting on this condition. */ -int -__objc_condition_broadcast(objc_condition_t condition) -{ - return pthread_cond_broadcast((pthread_cond_t *)(&(condition->backend))); -} - -/* Wake up one thread waiting on this condition. */ -int -__objc_condition_signal(objc_condition_t condition) -{ - return pthread_cond_signal((pthread_cond_t *)(&(condition->backend))); -} - -/* End of File */ diff --git a/gcc-4.4.3/libobjc/thr-rtems.c b/gcc-4.4.3/libobjc/thr-rtems.c deleted file mode 100644 index cb2e68d96..000000000 --- a/gcc-4.4.3/libobjc/thr-rtems.c +++ /dev/null @@ -1,193 +0,0 @@ -/* GNU Objective C Runtime Thread Implementation - Copyright (C) 1996, 1997, 2009 Free Software Foundation, Inc. - Contributed by Galen C. Hunt (gchunt@cs.rochester.edu) - Renamed from thr-vxworks.c to thr-rtems.c by - Ralf Corsepius (corsepiu@faw.uni-ulm.de) - -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 -<http://www.gnu.org/licenses/>. */ - - -#include "objc/thr.h" -#include "objc/runtime.h" - -/* Thread local storage for a single thread */ -static void *thread_local_storage = NULL; - -/* Backend initialization functions */ - -/* Initialize the threads subsystem. */ -int -__objc_init_thread_system(void) -{ - /* No thread support available */ - return -1; -} - -/* Close the threads subsystem. */ -int -__objc_close_thread_system(void) -{ - /* No thread support available */ - return -1; -} - -/* Backend thread functions */ - -/* Create a new thread of execution. */ -objc_thread_t -__objc_thread_detach(void (*func)(void *arg), void *arg) -{ - /* No thread support available */ - return NULL; -} - -/* Set the current thread's priority. */ -int -__objc_thread_set_priority(int priority) -{ - /* No thread support available */ - return -1; -} - -/* Return the current thread's priority. */ -int -__objc_thread_get_priority(void) -{ - return OBJC_THREAD_INTERACTIVE_PRIORITY; -} - -/* Yield our process time to another thread. */ -void -__objc_thread_yield(void) -{ - return; -} - -/* Terminate the current thread. */ -int -__objc_thread_exit(void) -{ - /* No thread support available */ - /* Should we really exit the program */ - /* exit(&__objc_thread_exit_status); */ - return -1; -} - -/* Returns an integer value which uniquely describes a thread. */ -objc_thread_t -__objc_thread_id(void) -{ - /* No thread support, use 1. */ - return (objc_thread_t)1; -} - -/* Sets the thread's local storage pointer. */ -int -__objc_thread_set_data(void *value) -{ - thread_local_storage = value; - return 0; -} - -/* Returns the thread's local storage pointer. */ -void * -__objc_thread_get_data(void) -{ - return thread_local_storage; -} - -/* Backend mutex functions */ - -/* Allocate a mutex. */ -int -__objc_mutex_allocate(objc_mutex_t mutex) -{ - return 0; -} - -/* Deallocate a mutex. */ -int -__objc_mutex_deallocate(objc_mutex_t mutex) -{ - return 0; -} - -/* Grab a lock on a mutex. */ -int -__objc_mutex_lock(objc_mutex_t mutex) -{ - /* There can only be one thread, so we always get the lock */ - return 0; -} - -/* Try to grab a lock on a mutex. */ -int -__objc_mutex_trylock(objc_mutex_t mutex) -{ - /* There can only be one thread, so we always get the lock */ - return 0; -} - -/* Unlock the mutex */ -int -__objc_mutex_unlock(objc_mutex_t mutex) -{ - return 0; -} - -/* Backend condition mutex functions */ - -/* Allocate a condition. */ -int -__objc_condition_allocate(objc_condition_t condition) -{ - return 0; -} - -/* Deallocate a condition. */ -int -__objc_condition_deallocate(objc_condition_t condition) -{ - return 0; -} - -/* Wait on the condition */ -int -__objc_condition_wait(objc_condition_t condition, objc_mutex_t mutex) -{ - return 0; -} - -/* Wake up all threads waiting on this condition. */ -int -__objc_condition_broadcast(objc_condition_t condition) -{ - return 0; -} - -/* Wake up one thread waiting on this condition. */ -int -__objc_condition_signal(objc_condition_t condition) -{ - return 0; -} - -/* End of File */ diff --git a/gcc-4.4.3/libobjc/thr-single.c b/gcc-4.4.3/libobjc/thr-single.c deleted file mode 100644 index 0074c6916..000000000 --- a/gcc-4.4.3/libobjc/thr-single.c +++ /dev/null @@ -1,191 +0,0 @@ -/* GNU Objective C Runtime Thread Implementation - Copyright (C) 1996, 1997, 2009 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 -<http://www.gnu.org/licenses/>. */ - - -#include "objc/thr.h" -#include "objc/runtime.h" - -/* Thread local storage for a single thread */ -static void *thread_local_storage = NULL; - -/* Backend initialization functions */ - -/* Initialize the threads subsystem. */ -int -__objc_init_thread_system(void) -{ - /* No thread support available */ - return -1; -} - -/* Close the threads subsystem. */ -int -__objc_close_thread_system(void) -{ - /* No thread support available */ - return -1; -} - -/* Backend thread functions */ - -/* Create a new thread of execution. */ -objc_thread_t -__objc_thread_detach(void (*func)(void *arg), void *arg) -{ - /* No thread support available */ - return NULL; -} - -/* Set the current thread's priority. */ -int -__objc_thread_set_priority(int priority) -{ - /* No thread support available */ - return -1; -} - -/* Return the current thread's priority. */ -int -__objc_thread_get_priority(void) -{ - return OBJC_THREAD_INTERACTIVE_PRIORITY; -} - -/* Yield our process time to another thread. */ -void -__objc_thread_yield(void) -{ - return; -} - -/* Terminate the current thread. */ -int -__objc_thread_exit(void) -{ - /* No thread support available */ - /* Should we really exit the program */ - /* exit(&__objc_thread_exit_status); */ - return -1; -} - -/* Returns an integer value which uniquely describes a thread. */ -objc_thread_t -__objc_thread_id(void) -{ - /* No thread support, use 1. */ - return (objc_thread_t)1; -} - -/* Sets the thread's local storage pointer. */ -int -__objc_thread_set_data(void *value) -{ - thread_local_storage = value; - return 0; -} - -/* Returns the thread's local storage pointer. */ -void * -__objc_thread_get_data(void) -{ - return thread_local_storage; -} - -/* Backend mutex functions */ - -/* Allocate a mutex. */ -int -__objc_mutex_allocate(objc_mutex_t mutex) -{ - return 0; -} - -/* Deallocate a mutex. */ -int -__objc_mutex_deallocate(objc_mutex_t mutex) -{ - return 0; -} - -/* Grab a lock on a mutex. */ -int -__objc_mutex_lock(objc_mutex_t mutex) -{ - /* There can only be one thread, so we always get the lock */ - return 0; -} - -/* Try to grab a lock on a mutex. */ -int -__objc_mutex_trylock(objc_mutex_t mutex) -{ - /* There can only be one thread, so we always get the lock */ - return 0; -} - -/* Unlock the mutex */ -int -__objc_mutex_unlock(objc_mutex_t mutex) -{ - return 0; -} - -/* Backend condition mutex functions */ - -/* Allocate a condition. */ -int -__objc_condition_allocate(objc_condition_t condition) -{ - return 0; -} - -/* Deallocate a condition. */ -int -__objc_condition_deallocate(objc_condition_t condition) -{ - return 0; -} - -/* Wait on the condition */ -int -__objc_condition_wait(objc_condition_t condition, objc_mutex_t mutex) -{ - return 0; -} - -/* Wake up all threads waiting on this condition. */ -int -__objc_condition_broadcast(objc_condition_t condition) -{ - return 0; -} - -/* Wake up one thread waiting on this condition. */ -int -__objc_condition_signal(objc_condition_t condition) -{ - return 0; -} - -/* End of File */ diff --git a/gcc-4.4.3/libobjc/thr-solaris.c b/gcc-4.4.3/libobjc/thr-solaris.c deleted file mode 100644 index a08dabe7e..000000000 --- a/gcc-4.4.3/libobjc/thr-solaris.c +++ /dev/null @@ -1,258 +0,0 @@ -/* GNU Objective C Runtime Thread Interface - Copyright (C) 1996, 1997, 2009 Free Software Foundation, Inc. - Contributed by Galen C. Hunt (gchunt@cs.rochester.edu) - Conditions added by Mircea Oancea (mircea@first.elcom.pub.ro) - -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 -<http://www.gnu.org/licenses/>. */ - - -#include "objc/thr.h" -#include "objc/runtime.h" - -#include <thread.h> -#include <synch.h> -#include <errno.h> - -/* Key structure for maintaining thread specific storage */ -static thread_key_t __objc_thread_data_key; - -/* Backend initialization functions */ - -/* Initialize the threads subsystem. */ -int -__objc_init_thread_system(void) -{ - /* Initialize the thread storage key */ - if (thr_keycreate(&__objc_thread_data_key, NULL) == 0) - return 0; - else - return -1; -} - -/* Close the threads subsystem. */ -int -__objc_close_thread_system(void) -{ - return 0; -} - -/* Backend thread functions */ - -/* Create a new thread of execution. */ -objc_thread_t -__objc_thread_detach(void (*func)(void *arg), void *arg) -{ - objc_thread_t thread_id; - thread_t new_thread_id = 0; - - if (thr_create(NULL, 0, (void *)func, arg, - THR_DETACHED | THR_NEW_LWP, - &new_thread_id) == 0) - thread_id = *(objc_thread_t *)&new_thread_id; - else - thread_id = NULL; - - return thread_id; -} - -/* Set the current thread's priority. */ -int -__objc_thread_set_priority(int priority) -{ - int sys_priority = 0; - - switch (priority) - { - case OBJC_THREAD_INTERACTIVE_PRIORITY: - sys_priority = 300; - break; - default: - case OBJC_THREAD_BACKGROUND_PRIORITY: - sys_priority = 200; - break; - case OBJC_THREAD_LOW_PRIORITY: - sys_priority = 1000; - break; - } - - /* Change priority */ - if (thr_setprio(thr_self(), sys_priority) == 0) - return 0; - else - return -1; -} - -/* Return the current thread's priority. */ -int -__objc_thread_get_priority(void) -{ - int sys_priority; - - if (thr_getprio(thr_self(), &sys_priority) == 0) - { - if (sys_priority >= 250) - return OBJC_THREAD_INTERACTIVE_PRIORITY; - else if (sys_priority >= 150) - return OBJC_THREAD_BACKGROUND_PRIORITY; - return OBJC_THREAD_LOW_PRIORITY; - } - - /* Couldn't get priority. */ - return -1; -} - -/* Yield our process time to another thread. */ -void -__objc_thread_yield(void) -{ - thr_yield(); -} - -/* Terminate the current thread. */ -int -__objc_thread_exit(void) -{ - /* exit the thread */ - thr_exit(&__objc_thread_exit_status); - - /* Failed if we reached here */ - return -1; -} - -/* Returns an integer value which uniquely describes a thread. */ -objc_thread_t -__objc_thread_id(void) -{ - return (objc_thread_t)thr_self(); -} - -/* Sets the thread's local storage pointer. */ -int -__objc_thread_set_data(void *value) -{ - if (thr_setspecific(__objc_thread_data_key, value) == 0) - return 0; - else - return -1; -} - -/* Returns the thread's local storage pointer. */ -void * -__objc_thread_get_data(void) -{ - void *value = NULL; - - if (thr_getspecific(__objc_thread_data_key, &value) == 0) - return value; - - return NULL; -} - -/* Backend mutex functions */ - -/* Allocate a mutex. */ -int -__objc_mutex_allocate(objc_mutex_t mutex) -{ - if (mutex_init( (mutex_t *)(&(mutex->backend)), USYNC_THREAD, 0)) - return -1; - else - return 0; -} - - -/* Deallocate a mutex. */ -int -__objc_mutex_deallocate(objc_mutex_t mutex) -{ - mutex_destroy((mutex_t *)(&(mutex->backend))); - return 0; -} - -/* Grab a lock on a mutex. */ -int -__objc_mutex_lock(objc_mutex_t mutex) -{ - if (mutex_lock((mutex_t *)(&(mutex->backend))) != 0) - return -1; - else - return 0; -} - -/* Try to grab a lock on a mutex. */ -int -__objc_mutex_trylock(objc_mutex_t mutex) -{ - if (mutex_trylock((mutex_t *)(&(mutex->backend))) != 0) - return -1; - else - return 0; -} - -/* Unlock the mutex */ -int -__objc_mutex_unlock(objc_mutex_t mutex) -{ - if (mutex_unlock((mutex_t *)(&(mutex->backend))) != 0) - return -1; - else - return 0; -} - -/* Backend condition mutex functions */ - -/* Allocate a condition. */ -int -__objc_condition_allocate(objc_condition_t condition) -{ - return cond_init((cond_t *)(&(condition->backend)), USYNC_THREAD, NULL); -} - -/* Deallocate a condition. */ -int -__objc_condition_deallocate(objc_condition_t condition) -{ - return cond_destroy((cond_t *)(&(condition->backend))); -} - -/* Wait on the condition */ -int -__objc_condition_wait(objc_condition_t condition, objc_mutex_t mutex) -{ - return cond_wait((cond_t *)(&(condition->backend)), - (mutex_t *)(&(mutex->backend))); -} - -/* Wake up all threads waiting on this condition. */ -int -__objc_condition_broadcast(objc_condition_t condition) -{ - return cond_broadcast((cond_t *)(&(condition->backend))); -} - -/* Wake up one thread waiting on this condition. */ -int -__objc_condition_signal(objc_condition_t condition) -{ - return cond_signal((cond_t *)(&(condition->backend))); -} - -/* End of File */ diff --git a/gcc-4.4.3/libobjc/thr-vxworks.c b/gcc-4.4.3/libobjc/thr-vxworks.c deleted file mode 100644 index 0074c6916..000000000 --- a/gcc-4.4.3/libobjc/thr-vxworks.c +++ /dev/null @@ -1,191 +0,0 @@ -/* GNU Objective C Runtime Thread Implementation - Copyright (C) 1996, 1997, 2009 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 -<http://www.gnu.org/licenses/>. */ - - -#include "objc/thr.h" -#include "objc/runtime.h" - -/* Thread local storage for a single thread */ -static void *thread_local_storage = NULL; - -/* Backend initialization functions */ - -/* Initialize the threads subsystem. */ -int -__objc_init_thread_system(void) -{ - /* No thread support available */ - return -1; -} - -/* Close the threads subsystem. */ -int -__objc_close_thread_system(void) -{ - /* No thread support available */ - return -1; -} - -/* Backend thread functions */ - -/* Create a new thread of execution. */ -objc_thread_t -__objc_thread_detach(void (*func)(void *arg), void *arg) -{ - /* No thread support available */ - return NULL; -} - -/* Set the current thread's priority. */ -int -__objc_thread_set_priority(int priority) -{ - /* No thread support available */ - return -1; -} - -/* Return the current thread's priority. */ -int -__objc_thread_get_priority(void) -{ - return OBJC_THREAD_INTERACTIVE_PRIORITY; -} - -/* Yield our process time to another thread. */ -void -__objc_thread_yield(void) -{ - return; -} - -/* Terminate the current thread. */ -int -__objc_thread_exit(void) -{ - /* No thread support available */ - /* Should we really exit the program */ - /* exit(&__objc_thread_exit_status); */ - return -1; -} - -/* Returns an integer value which uniquely describes a thread. */ -objc_thread_t -__objc_thread_id(void) -{ - /* No thread support, use 1. */ - return (objc_thread_t)1; -} - -/* Sets the thread's local storage pointer. */ -int -__objc_thread_set_data(void *value) -{ - thread_local_storage = value; - return 0; -} - -/* Returns the thread's local storage pointer. */ -void * -__objc_thread_get_data(void) -{ - return thread_local_storage; -} - -/* Backend mutex functions */ - -/* Allocate a mutex. */ -int -__objc_mutex_allocate(objc_mutex_t mutex) -{ - return 0; -} - -/* Deallocate a mutex. */ -int -__objc_mutex_deallocate(objc_mutex_t mutex) -{ - return 0; -} - -/* Grab a lock on a mutex. */ -int -__objc_mutex_lock(objc_mutex_t mutex) -{ - /* There can only be one thread, so we always get the lock */ - return 0; -} - -/* Try to grab a lock on a mutex. */ -int -__objc_mutex_trylock(objc_mutex_t mutex) -{ - /* There can only be one thread, so we always get the lock */ - return 0; -} - -/* Unlock the mutex */ -int -__objc_mutex_unlock(objc_mutex_t mutex) -{ - return 0; -} - -/* Backend condition mutex functions */ - -/* Allocate a condition. */ -int -__objc_condition_allocate(objc_condition_t condition) -{ - return 0; -} - -/* Deallocate a condition. */ -int -__objc_condition_deallocate(objc_condition_t condition) -{ - return 0; -} - -/* Wait on the condition */ -int -__objc_condition_wait(objc_condition_t condition, objc_mutex_t mutex) -{ - return 0; -} - -/* Wake up all threads waiting on this condition. */ -int -__objc_condition_broadcast(objc_condition_t condition) -{ - return 0; -} - -/* Wake up one thread waiting on this condition. */ -int -__objc_condition_signal(objc_condition_t condition) -{ - return 0; -} - -/* End of File */ diff --git a/gcc-4.4.3/libobjc/thr-win32.c b/gcc-4.4.3/libobjc/thr-win32.c deleted file mode 100644 index 2d2f31e88..000000000 --- a/gcc-4.4.3/libobjc/thr-win32.c +++ /dev/null @@ -1,271 +0,0 @@ -/* GNU Objective C Runtime Thread Interface - Win32 Implementation - Copyright (C) 1996, 1997, 2009 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 -<http://www.gnu.org/licenses/>. */ - - -#include "objc/thr.h" -#include "objc/runtime.h" - -#ifndef __OBJC__ -#define __OBJC__ -#endif -#include <windows.h> - -/* Key structure for maintaining thread specific storage */ -static DWORD __objc_data_tls = (DWORD)-1; - -/* Backend initialization functions */ - -/* Initialize the threads subsystem. */ -int -__objc_init_thread_system(void) -{ - /* Initialize the thread storage key */ - if ((__objc_data_tls = TlsAlloc()) != (DWORD)-1) - return 0; - else - return -1; -} - -/* Close the threads subsystem. */ -int -__objc_close_thread_system(void) -{ - if (__objc_data_tls != (DWORD)-1) - TlsFree(__objc_data_tls); - return 0; -} - -/* Backend thread functions */ - -/* Create a new thread of execution. */ -objc_thread_t -__objc_thread_detach(void (*func)(void *arg), void *arg) -{ - DWORD thread_id = 0; - HANDLE win32_handle; - - if (!(win32_handle = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)func, - arg, 0, &thread_id))) - thread_id = 0; - - return (objc_thread_t)(size_t) thread_id; -} - -/* Set the current thread's priority. */ -int -__objc_thread_set_priority(int priority) -{ - int sys_priority = 0; - - switch (priority) - { - case OBJC_THREAD_INTERACTIVE_PRIORITY: - sys_priority = THREAD_PRIORITY_NORMAL; - break; - default: - case OBJC_THREAD_BACKGROUND_PRIORITY: - sys_priority = THREAD_PRIORITY_BELOW_NORMAL; - break; - case OBJC_THREAD_LOW_PRIORITY: - sys_priority = THREAD_PRIORITY_LOWEST; - break; - } - - /* Change priority */ - if (SetThreadPriority(GetCurrentThread(), sys_priority)) - return 0; - else - return -1; -} - -/* Return the current thread's priority. */ -int -__objc_thread_get_priority(void) -{ - int sys_priority; - - sys_priority = GetThreadPriority(GetCurrentThread()); - - switch (sys_priority) - { - case THREAD_PRIORITY_HIGHEST: - case THREAD_PRIORITY_TIME_CRITICAL: - case THREAD_PRIORITY_ABOVE_NORMAL: - case THREAD_PRIORITY_NORMAL: - return OBJC_THREAD_INTERACTIVE_PRIORITY; - - default: - case THREAD_PRIORITY_BELOW_NORMAL: - return OBJC_THREAD_BACKGROUND_PRIORITY; - - case THREAD_PRIORITY_IDLE: - case THREAD_PRIORITY_LOWEST: - return OBJC_THREAD_LOW_PRIORITY; - } - - /* Couldn't get priority. */ - return -1; -} - -/* Yield our process time to another thread. */ -void -__objc_thread_yield(void) -{ - Sleep(0); -} - -/* Terminate the current thread. */ -int -__objc_thread_exit(void) -{ - /* exit the thread */ - ExitThread(__objc_thread_exit_status); - - /* Failed if we reached here */ - return -1; -} - -/* Returns an integer value which uniquely describes a thread. */ -objc_thread_t -__objc_thread_id(void) -{ - return (objc_thread_t)(size_t) GetCurrentThreadId(); -} - -/* Sets the thread's local storage pointer. */ -int -__objc_thread_set_data(void *value) -{ - if (TlsSetValue(__objc_data_tls, value)) - return 0; - else - return -1; -} - -/* Returns the thread's local storage pointer. */ -void * -__objc_thread_get_data(void) -{ - return TlsGetValue(__objc_data_tls); /* Return thread data. */ -} - -/* Backend mutex functions */ - -/* Allocate a mutex. */ -int -__objc_mutex_allocate(objc_mutex_t mutex) -{ - if ((mutex->backend = (void *)CreateMutex(NULL, 0, NULL)) == NULL) - return -1; - else - return 0; -} - -/* Deallocate a mutex. */ -int -__objc_mutex_deallocate(objc_mutex_t mutex) -{ - CloseHandle((HANDLE)(mutex->backend)); - return 0; -} - -/* Grab a lock on a mutex. */ -int -__objc_mutex_lock(objc_mutex_t mutex) -{ - int status; - - status = WaitForSingleObject((HANDLE)(mutex->backend), INFINITE); - if (status != WAIT_OBJECT_0 && status != WAIT_ABANDONED) - return -1; - else - return 0; -} - -/* Try to grab a lock on a mutex. */ -int -__objc_mutex_trylock(objc_mutex_t mutex) -{ - int status; - - status = WaitForSingleObject((HANDLE)(mutex->backend), 0); - if (status != WAIT_OBJECT_0 && status != WAIT_ABANDONED) - return -1; - else - return 0; -} - -/* Unlock the mutex */ -int -__objc_mutex_unlock(objc_mutex_t mutex) -{ - if (ReleaseMutex((HANDLE)(mutex->backend)) == 0) - return -1; - else - return 0; -} - -/* Backend condition mutex functions */ - -/* Allocate a condition. */ -int -__objc_condition_allocate(objc_condition_t condition) -{ - /* Unimplemented. */ - return -1; -} - -/* Deallocate a condition. */ -int -__objc_condition_deallocate(objc_condition_t condition) -{ - /* Unimplemented. */ - return -1; -} - -/* Wait on the condition */ -int -__objc_condition_wait(objc_condition_t condition, objc_mutex_t mutex) -{ - /* Unimplemented. */ - return -1; -} - -/* Wake up all threads waiting on this condition. */ -int -__objc_condition_broadcast(objc_condition_t condition) -{ - /* Unimplemented. */ - return -1; -} - -/* Wake up one thread waiting on this condition. */ -int -__objc_condition_signal(objc_condition_t condition) -{ - /* Unimplemented. */ - return -1; -} - -/* End of File */ diff --git a/gcc-4.4.3/libobjc/thr.c b/gcc-4.4.3/libobjc/thr.c deleted file mode 100644 index a12aa2da0..000000000 --- a/gcc-4.4.3/libobjc/thr.c +++ /dev/null @@ -1,565 +0,0 @@ -/* GNU Objective C Runtime Thread Interface - Copyright (C) 1996, 1997, 2009 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 -<http://www.gnu.org/licenses/>. */ - - -#include <stdlib.h> -#include "objc/runtime.h" - -/* 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 frontend, but they are not - considered part of the public interface. - */ - -/* - 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 - objc_error (object, OBJC_ERR_UNIMPLEMENTED, - "objc_thread_detach called with bad selector.\n"); - } - else - objc_error (nil, OBJC_ERR_BAD_STATE, - "objc_thread_detach called with NULL state.\n"); - - /* Exit the thread */ - objc_thread_exit (); - - /* Make sure compiler detects no return. */ - __builtin_trap (); -} - -/* - Frontend functions - - These functions constitute the public interface to the Objective-C thread - and mutex functionality. - */ - -/* Frontend thread functions */ - -/* - 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 = __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) -{ - /* Call the backend */ - return __objc_thread_set_priority (priority); -} - -/* Return the current thread's priority. */ -int -objc_thread_get_priority (void) -{ - /* Call the backend */ - return __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) -{ - /* Call the backend */ - __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 __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) -{ - /* Call the backend */ - return __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) -{ - /* Call the backend */ - return __objc_thread_set_data (value); -} - -/* - Returns the thread's local storage pointer. Returns NULL on failure. - */ -void * -objc_thread_get_data (void) -{ - /* Call the backend */ - return __objc_thread_get_data (); -} - -/* Frontend 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 (__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 (__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 = __objc_thread_id (); - if (mutex->owner == thread_id) - return ++mutex->depth; - - /* Call the backend to lock the mutex */ - status = __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 = __objc_thread_id (); - if (mutex->owner == thread_id) - return ++mutex->depth; - - /* Call the backend to try to lock the mutex */ - status = __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 = __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 = __objc_mutex_unlock (mutex); - - /* Failed? */ - if (status) - return status; - - return 0; -} - -/* Frontend 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 (__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 (__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 = __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 */ - __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 __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 __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); -} - -/* End of File */ |