diff options
Diffstat (limited to 'gcc-4.7/libiberty/simple-object-common.h')
| -rw-r--r-- | gcc-4.7/libiberty/simple-object-common.h | 355 |
1 files changed, 0 insertions, 355 deletions
diff --git a/gcc-4.7/libiberty/simple-object-common.h b/gcc-4.7/libiberty/simple-object-common.h deleted file mode 100644 index 264b17995..000000000 --- a/gcc-4.7/libiberty/simple-object-common.h +++ /dev/null @@ -1,355 +0,0 @@ -/* simple-object-common.h -- common structs for object file manipulation. - Copyright (C) 2010 Free Software Foundation, Inc. - -This file is part of the libiberty library. -Libiberty is free software; you can redistribute it and/or -modify it under the terms of the GNU Library General Public -License as published by the Free Software Foundation; either -version 2 of the License, or (at your option) any later version. - -Libiberty 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 -Library General Public License for more details. - -You should have received a copy of the GNU Library General Public -License along with libiberty; see the file COPYING.LIB. If not, -write to the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor, -Boston, MA 02110-1301, USA. */ - -/* Forward reference. */ -struct simple_object_functions; - -/* An object file opened for reading. */ - -struct simple_object_read_struct -{ - /* The file descriptor. */ - int descriptor; - /* The offset within the file. */ - off_t offset; - /* The functions which do the actual work. */ - const struct simple_object_functions *functions; - /* Private data for the object file format. */ - void *data; -}; - -/* Object file attributes. */ - -struct simple_object_attributes_struct -{ - /* The functions which do the actual work. */ - const struct simple_object_functions *functions; - /* Private data for the object file format. */ - void *data; -}; - -/* An object file being created. */ - -struct simple_object_write_struct -{ - /* The functions which do the actual work. */ - const struct simple_object_functions *functions; - /* The segment_name argument from the user. */ - char *segment_name; - /* The start of the list of sections. */ - simple_object_write_section *sections; - /* The last entry in the list of sections. */ - simple_object_write_section *last_section; - /* Private data for the object file format. */ - void *data; -}; - -/* A section in an object file being created. */ - -struct simple_object_write_section_struct -{ - /* Next in the list of sections attached to an - simple_object_write. */ - simple_object_write_section *next; - /* The name of this section. */ - char *name; - /* The required alignment. */ - unsigned int align; - /* The first data attached to this section. */ - struct simple_object_write_section_buffer *buffers; - /* The last data attached to this section. */ - struct simple_object_write_section_buffer *last_buffer; -}; - -/* Data attached to a section. */ - -struct simple_object_write_section_buffer -{ - /* The next data for this section. */ - struct simple_object_write_section_buffer *next; - /* The size of the buffer. */ - size_t size; - /* The actual bytes. */ - const void *buffer; - /* A buffer to free, or NULL. */ - void *free_buffer; -}; - -/* The number of bytes we read from the start of the file to pass to - the match function. */ -#define SIMPLE_OBJECT_MATCH_HEADER_LEN (16) - -/* Format-specific object file functions. */ - -struct simple_object_functions -{ - /* If this file matches these functions, return a new value for the - private data for an simple_object_read. HEADER is the first 16 - bytes of the file. DESCRIPTOR, OFFSET, SEGMENT_NAME, ERRMSG, and - ERR are as for simple_object_open_read. If this file does not - match, this function should return NULL with *ERRMSG set to - NULL. */ - void *(*match) (unsigned char header[SIMPLE_OBJECT_MATCH_HEADER_LEN], - int descriptor, off_t offset, const char *segment_name, - const char **errmsg, int *err); - - /* Implement simple_object_find_sections. */ - const char *(*find_sections) (simple_object_read *, - int (*pfn) (void *, const char *, - off_t offset, off_t length), - void *data, - int *err); - - /* Return the private data for the attributes for SOBJ. */ - void *(*fetch_attributes) (simple_object_read *sobj, const char **errmsg, - int *err); - - /* Release the private data for an simple_object_read. */ - void (*release_read) (void *); - - /* Merge the private data for the attributes of two files. If they - could be linked together, return NULL. Otherwise return an error - message. */ - const char *(*attributes_merge) (void *, void *, int *err); - - /* Release the private data for an simple_object_attributes. */ - void (*release_attributes) (void *); - - /* Start creating an object file. */ - void *(*start_write) (void *attributes_data, const char **errmsg, - int *err); - - /* Write the complete object file. */ - const char *(*write_to_file) (simple_object_write *sobj, int descriptor, - int *err); - - /* Release the private data for an simple_object_write. */ - void (*release_write) (void *); -}; - -/* The known object file formats. */ - -extern const struct simple_object_functions simple_object_coff_functions; -extern const struct simple_object_functions simple_object_elf_functions; -extern const struct simple_object_functions simple_object_mach_o_functions; - -/* Read SIZE bytes from DESCRIPTOR at file offset OFFSET into BUFFER. - Return non-zero on success. On failure return 0 and set *ERRMSG - and *ERR. */ - -extern int -simple_object_internal_read (int descriptor, off_t offset, - unsigned char *buffer, size_t size, - const char **errmsg, int *err); - -/* Write SIZE bytes from BUFFER to DESCRIPTOR at file offset OFFSET. - Return non-zero on success. On failure return 0 and set *ERRMSG - and *ERR. */ - -extern int -simple_object_internal_write (int descriptor, off_t offset, - const unsigned char *buffer, size_t size, - const char **errmsg, int *err); - -/* Define ulong_type as an unsigned 64-bit type if available. - Otherwise just make it unsigned long. */ - -#ifdef UNSIGNED_64BIT_TYPE -__extension__ typedef UNSIGNED_64BIT_TYPE ulong_type; -#else -typedef unsigned long ulong_type; -#endif - -/* Fetch a big-endian 16-bit value. */ - -static inline unsigned short -simple_object_fetch_big_16 (const unsigned char *buf) -{ - return ((unsigned short) buf[0] << 8) | (unsigned short) buf[1]; -} - -/* Fetch a little-endian 16-bit value. */ - -static inline unsigned short -simple_object_fetch_little_16 (const unsigned char *buf) -{ - return ((unsigned short) buf[1] << 8) | (unsigned short) buf[0]; -} - -/* Fetch a big-endian 32-bit value. */ - -static inline unsigned int -simple_object_fetch_big_32 (const unsigned char *buf) -{ - return (((unsigned int) buf[0] << 24) - | ((unsigned int) buf[1] << 16) - | ((unsigned int) buf[2] << 8) - | (unsigned int) buf[3]); -} - -/* Fetch a little-endian 32-bit value. */ - -static inline unsigned int -simple_object_fetch_little_32 (const unsigned char *buf) -{ - return (((unsigned int) buf[3] << 24) - | ((unsigned int) buf[2] << 16) - | ((unsigned int) buf[1] << 8) - | (unsigned int) buf[0]); -} - -/* Fetch a big-endian 32-bit value as a ulong_type. */ - -static inline ulong_type -simple_object_fetch_big_32_ulong (const unsigned char *buf) -{ - return (ulong_type) simple_object_fetch_big_32 (buf); -} - -/* Fetch a little-endian 32-bit value as a ulong_type. */ - -static inline ulong_type -simple_object_fetch_little_32_ulong (const unsigned char *buf) -{ - return (ulong_type) simple_object_fetch_little_32 (buf); -} - -#ifdef UNSIGNED_64BIT_TYPE - -/* Fetch a big-endian 64-bit value. */ - -static inline ulong_type -simple_object_fetch_big_64 (const unsigned char *buf) -{ - return (((ulong_type) buf[0] << 56) - | ((ulong_type) buf[1] << 48) - | ((ulong_type) buf[2] << 40) - | ((ulong_type) buf[3] << 32) - | ((ulong_type) buf[4] << 24) - | ((ulong_type) buf[5] << 16) - | ((ulong_type) buf[6] << 8) - | (ulong_type) buf[7]); -} - -/* Fetch a little-endian 64-bit value. */ - -static inline ulong_type -simple_object_fetch_little_64 (const unsigned char *buf) -{ - return (((ulong_type) buf[7] << 56) - | ((ulong_type) buf[6] << 48) - | ((ulong_type) buf[5] << 40) - | ((ulong_type) buf[4] << 32) - | ((ulong_type) buf[3] << 24) - | ((ulong_type) buf[2] << 16) - | ((ulong_type) buf[1] << 8) - | (ulong_type) buf[0]); -} - -#endif - -/* Store a big-endian 16-bit value. */ - -static inline void -simple_object_set_big_16 (unsigned char *buf, unsigned short val) -{ - buf[0] = (val >> 8) & 0xff; - buf[1] = val & 0xff; -} - -/* Store a little-endian 16-bit value. */ - -static inline void -simple_object_set_little_16 (unsigned char *buf, unsigned short val) -{ - buf[1] = (val >> 8) & 0xff; - buf[0] = val & 0xff; -} - -/* Store a big-endian 32-bit value. */ - -static inline void -simple_object_set_big_32 (unsigned char *buf, unsigned int val) -{ - buf[0] = (val >> 24) & 0xff; - buf[1] = (val >> 16) & 0xff; - buf[2] = (val >> 8) & 0xff; - buf[3] = val & 0xff; -} - -/* Store a little-endian 32-bit value. */ - -static inline void -simple_object_set_little_32 (unsigned char *buf, unsigned int val) -{ - buf[3] = (val >> 24) & 0xff; - buf[2] = (val >> 16) & 0xff; - buf[1] = (val >> 8) & 0xff; - buf[0] = val & 0xff; -} - -/* Store a big-endian 32-bit value coming in as a ulong_type. */ - -static inline void -simple_object_set_big_32_ulong (unsigned char *buf, ulong_type val) -{ - simple_object_set_big_32 (buf, val); -} - -/* Store a little-endian 32-bit value coming in as a ulong_type. */ - -static inline void -simple_object_set_little_32_ulong (unsigned char *buf, ulong_type val) -{ - simple_object_set_little_32 (buf, val); -} - -#ifdef UNSIGNED_64BIT_TYPE - -/* Store a big-endian 64-bit value. */ - -static inline void -simple_object_set_big_64 (unsigned char *buf, ulong_type val) -{ - buf[0] = (val >> 56) & 0xff; - buf[1] = (val >> 48) & 0xff; - buf[2] = (val >> 40) & 0xff; - buf[3] = (val >> 32) & 0xff; - buf[4] = (val >> 24) & 0xff; - buf[5] = (val >> 16) & 0xff; - buf[6] = (val >> 8) & 0xff; - buf[7] = val & 0xff; -} - -/* Store a little-endian 64-bit value. */ - -static inline void -simple_object_set_little_64 (unsigned char *buf, ulong_type val) -{ - buf[7] = (val >> 56) & 0xff; - buf[6] = (val >> 48) & 0xff; - buf[5] = (val >> 40) & 0xff; - buf[4] = (val >> 32) & 0xff; - buf[3] = (val >> 24) & 0xff; - buf[2] = (val >> 16) & 0xff; - buf[1] = (val >> 8) & 0xff; - buf[0] = val & 0xff; -} - -#endif |