diff options
Diffstat (limited to 'bfd/mach-o.c')
| -rw-r--r-- | bfd/mach-o.c | 152 |
1 files changed, 67 insertions, 85 deletions
diff --git a/bfd/mach-o.c b/bfd/mach-o.c index 5b122c5..b1bac05 100644 --- a/bfd/mach-o.c +++ b/bfd/mach-o.c @@ -3260,14 +3260,14 @@ bfd_mach_o_make_empty_symbol (bfd *abfd) } static bfd_boolean -bfd_mach_o_read_header (bfd *abfd, bfd_mach_o_header *header) +bfd_mach_o_read_header (bfd *abfd, file_ptr hdr_off, bfd_mach_o_header *header) { struct mach_o_header_external raw; unsigned int size; bfd_vma (*get32) (const void *) = NULL; /* Just read the magic number. */ - if (bfd_seek (abfd, 0, SEEK_SET) != 0 + if (bfd_seek (abfd, hdr_off, SEEK_SET) != 0 || bfd_bread (raw.magic, sizeof (raw.magic), abfd) != 4) return FALSE; @@ -3309,7 +3309,7 @@ bfd_mach_o_read_header (bfd *abfd, bfd_mach_o_header *header) size = mach_o_wide_p (header) ? BFD_MACH_O_HEADER_64_SIZE : BFD_MACH_O_HEADER_SIZE; - if (bfd_seek (abfd, 0, SEEK_SET) != 0 + if (bfd_seek (abfd, hdr_off, SEEK_SET) != 0 || bfd_bread (&raw, size, abfd) != size) return FALSE; @@ -3443,17 +3443,14 @@ bfd_mach_o_make_bfd_section (bfd *abfd, } static asection * -bfd_mach_o_read_section_32 (bfd *abfd, - unsigned int offset, - unsigned long prot) +bfd_mach_o_read_section_32 (bfd *abfd, unsigned long prot) { struct mach_o_section_32_external raw; asection *sec; bfd_mach_o_section *section; - if (bfd_seek (abfd, offset, SEEK_SET) != 0 - || (bfd_bread (&raw, BFD_MACH_O_SECTION_SIZE, abfd) - != BFD_MACH_O_SECTION_SIZE)) + if (bfd_bread (&raw, BFD_MACH_O_SECTION_SIZE, abfd) + != BFD_MACH_O_SECTION_SIZE) return NULL; sec = bfd_mach_o_make_bfd_section (abfd, raw.segname, raw.sectname); @@ -3489,17 +3486,14 @@ bfd_mach_o_read_section_32 (bfd *abfd, } static asection * -bfd_mach_o_read_section_64 (bfd *abfd, - unsigned int offset, - unsigned long prot) +bfd_mach_o_read_section_64 (bfd *abfd, unsigned long prot) { struct mach_o_section_64_external raw; asection *sec; bfd_mach_o_section *section; - if (bfd_seek (abfd, offset, SEEK_SET) != 0 - || (bfd_bread (&raw, BFD_MACH_O_SECTION_64_SIZE, abfd) - != BFD_MACH_O_SECTION_64_SIZE)) + if (bfd_bread (&raw, BFD_MACH_O_SECTION_64_SIZE, abfd) + != BFD_MACH_O_SECTION_64_SIZE) return NULL; sec = bfd_mach_o_make_bfd_section (abfd, raw.segname, raw.sectname); @@ -3534,15 +3528,12 @@ bfd_mach_o_read_section_64 (bfd *abfd, } static asection * -bfd_mach_o_read_section (bfd *abfd, - unsigned int offset, - unsigned long prot, - unsigned int wide) +bfd_mach_o_read_section (bfd *abfd, unsigned long prot, unsigned int wide) { if (wide) - return bfd_mach_o_read_section_64 (abfd, offset, prot); + return bfd_mach_o_read_section_64 (abfd, prot); else - return bfd_mach_o_read_section_32 (abfd, offset, prot); + return bfd_mach_o_read_section_32 (abfd, prot); } static bfd_boolean @@ -3825,8 +3816,7 @@ bfd_mach_o_read_dylinker (bfd *abfd, bfd_mach_o_load_command *command) unsigned int nameoff; unsigned int namelen; - if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 - || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) + if (bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) return FALSE; nameoff = bfd_h_get_32 (abfd, raw.str); @@ -3846,6 +3836,7 @@ bfd_mach_o_read_dylinker (bfd *abfd, bfd_mach_o_load_command *command) static bfd_boolean bfd_mach_o_read_dylib (bfd *abfd, bfd_mach_o_load_command *command) { + bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); bfd_mach_o_dylib_command *cmd = &command->command.dylib; struct mach_o_dylib_command_external raw; unsigned int nameoff; @@ -3865,8 +3856,7 @@ bfd_mach_o_read_dylib (bfd *abfd, bfd_mach_o_load_command *command) return FALSE; } - if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 - || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) + if (bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) return FALSE; nameoff = bfd_h_get_32 (abfd, raw.name); @@ -3879,7 +3869,7 @@ bfd_mach_o_read_dylib (bfd *abfd, bfd_mach_o_load_command *command) cmd->name_str = bfd_alloc (abfd, namelen); if (cmd->name_str == NULL) return FALSE; - if (bfd_seek (abfd, cmd->name_offset, SEEK_SET) != 0 + if (bfd_seek (abfd, mdata->hdr_offset + cmd->name_offset, SEEK_SET) != 0 || bfd_bread (cmd->name_str, namelen, abfd) != namelen) return FALSE; return TRUE; @@ -3896,8 +3886,7 @@ bfd_mach_o_read_prebound_dylib (bfd *abfd, unsigned int str_len; unsigned char *str; - if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 - || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) + if (bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) return FALSE; nameoff = bfd_h_get_32 (abfd, raw.name); @@ -3928,8 +3917,7 @@ bfd_mach_o_read_prebind_cksum (bfd *abfd, bfd_mach_o_prebind_cksum_command *cmd = &command->command.prebind_cksum; struct mach_o_prebind_cksum_command_external raw; - if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 - || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) + if (bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) return FALSE; cmd->cksum = bfd_get_32 (abfd, raw.cksum); @@ -3943,8 +3931,7 @@ bfd_mach_o_read_twolevel_hints (bfd *abfd, bfd_mach_o_twolevel_hints_command *cmd = &command->command.twolevel_hints; struct mach_o_twolevel_hints_command_external raw; - if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 - || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) + if (bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) return FALSE; cmd->offset = bfd_get_32 (abfd, raw.offset); @@ -3960,8 +3947,7 @@ bfd_mach_o_read_fvmlib (bfd *abfd, bfd_mach_o_load_command *command) unsigned int nameoff; unsigned int namelen; - if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 - || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) + if (bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) return FALSE; nameoff = bfd_h_get_32 (abfd, raw.name); @@ -4103,8 +4089,7 @@ bfd_mach_o_read_dysymtab (bfd *abfd, bfd_mach_o_load_command *command) { struct mach_o_dysymtab_command_external raw; - if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 - || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) + if (bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) return FALSE; cmd->ilocalsym = bfd_h_get_32 (abfd, raw.ilocalsym); @@ -4280,8 +4265,7 @@ bfd_mach_o_read_symtab (bfd *abfd, bfd_mach_o_load_command *command) BFD_ASSERT (command->type == BFD_MACH_O_LC_SYMTAB); - if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 - || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) + if (bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) return FALSE; symtab->symoff = bfd_h_get_32 (abfd, raw.symoff); @@ -4307,8 +4291,7 @@ bfd_mach_o_read_uuid (bfd *abfd, bfd_mach_o_load_command *command) BFD_ASSERT (command->type == BFD_MACH_O_LC_UUID); - if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 - || bfd_bread (cmd->uuid, 16, abfd) != 16) + if (bfd_bread (cmd->uuid, 16, abfd) != 16) return FALSE; return TRUE; @@ -4320,8 +4303,7 @@ bfd_mach_o_read_linkedit (bfd *abfd, bfd_mach_o_load_command *command) bfd_mach_o_linkedit_command *cmd = &command->command.linkedit; struct mach_o_linkedit_data_command_external raw; - if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 - || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) + if (bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) return FALSE; cmd->dataoff = bfd_get_32 (abfd, raw.dataoff); @@ -4336,8 +4318,7 @@ bfd_mach_o_read_str (bfd *abfd, bfd_mach_o_load_command *command) struct mach_o_str_command_external raw; unsigned long off; - if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 - || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) + if (bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) return FALSE; off = bfd_get_32 (abfd, raw.str); @@ -4423,8 +4404,7 @@ bfd_mach_o_read_dyld_info (bfd *abfd, bfd_mach_o_load_command *command) bfd_mach_o_dyld_info_command *cmd = &command->command.dyld_info; struct mach_o_dyld_info_command_external raw; - if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 - || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) + if (bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) return FALSE; cmd->rebase_off = bfd_get_32 (abfd, raw.rebase_off); @@ -4452,8 +4432,7 @@ bfd_mach_o_read_version_min (bfd *abfd, bfd_mach_o_load_command *command) struct mach_o_version_min_command_external raw; unsigned int ver; - if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 - || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) + if (bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) return FALSE; ver = bfd_get_32 (abfd, raw.version); @@ -4470,8 +4449,22 @@ bfd_mach_o_read_encryption_info (bfd *abfd, bfd_mach_o_load_command *command) bfd_mach_o_encryption_info_command *cmd = &command->command.encryption_info; struct mach_o_encryption_info_command_external raw; - if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 - || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) + if (bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) + return FALSE; + + cmd->cryptoff = bfd_get_32 (abfd, raw.cryptoff); + cmd->cryptsize = bfd_get_32 (abfd, raw.cryptsize); + cmd->cryptid = bfd_get_32 (abfd, raw.cryptid); + return TRUE; +} + +static bfd_boolean +bfd_mach_o_read_encryption_info_64 (bfd *abfd, bfd_mach_o_load_command *command) +{ + bfd_mach_o_encryption_info_command *cmd = &command->command.encryption_info; + struct mach_o_encryption_info_64_command_external raw; + + if (bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) return FALSE; cmd->cryptoff = bfd_get_32 (abfd, raw.cryptoff); @@ -4486,8 +4479,7 @@ bfd_mach_o_read_main (bfd *abfd, bfd_mach_o_load_command *command) bfd_mach_o_main_command *cmd = &command->command.main; struct mach_o_entry_point_command_external raw; - if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 - || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) + if (bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) return FALSE; cmd->entryoff = bfd_get_64 (abfd, raw.entryoff); @@ -4502,8 +4494,7 @@ bfd_mach_o_read_source_version (bfd *abfd, bfd_mach_o_load_command *command) struct mach_o_source_version_command_external raw; bfd_uint64_t ver; - if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 - || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) + if (bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) return FALSE; ver = bfd_get_64 (abfd, raw.version); @@ -4536,8 +4527,7 @@ bfd_mach_o_read_segment (bfd *abfd, BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT_64); - if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 - || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) + if (bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) return FALSE; memcpy (seg->segname, raw.segname, 16); @@ -4558,8 +4548,7 @@ bfd_mach_o_read_segment (bfd *abfd, BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT); - if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 - || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) + if (bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) return FALSE; memcpy (seg->segname, raw.segname, 16); @@ -4579,17 +4568,9 @@ bfd_mach_o_read_segment (bfd *abfd, for (i = 0; i < seg->nsects; i++) { - bfd_vma segoff; asection *sec; - if (wide) - segoff = command->offset + BFD_MACH_O_LC_SEGMENT_64_SIZE - + (i * BFD_MACH_O_SECTION_64_SIZE); - else - segoff = command->offset + BFD_MACH_O_LC_SEGMENT_SIZE - + (i * BFD_MACH_O_SECTION_SIZE); - - sec = bfd_mach_o_read_section (abfd, segoff, seg->initprot, wide); + sec = bfd_mach_o_read_section (abfd, seg->initprot, wide); if (sec == NULL) return FALSE; @@ -4615,11 +4596,12 @@ bfd_mach_o_read_segment_64 (bfd *abfd, bfd_mach_o_load_command *command) static bfd_boolean bfd_mach_o_read_command (bfd *abfd, bfd_mach_o_load_command *command) { + bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); struct mach_o_load_command_external raw; unsigned int cmd; /* Read command type and length. */ - if (bfd_seek (abfd, command->offset, SEEK_SET) != 0 + if (bfd_seek (abfd, mdata->hdr_offset + command->offset, SEEK_SET) != 0 || bfd_bread (&raw, BFD_MACH_O_LC_SIZE, abfd) != BFD_MACH_O_LC_SIZE) return FALSE; @@ -4708,6 +4690,7 @@ bfd_mach_o_read_command (bfd *abfd, bfd_mach_o_load_command *command) case BFD_MACH_O_LC_FUNCTION_STARTS: case BFD_MACH_O_LC_DATA_IN_CODE: case BFD_MACH_O_LC_DYLIB_CODE_SIGN_DRS: + case BFD_MACH_O_LC_LINKER_OPTIMIZATION_HINT: if (!bfd_mach_o_read_linkedit (abfd, command)) return FALSE; break; @@ -4715,12 +4698,17 @@ bfd_mach_o_read_command (bfd *abfd, bfd_mach_o_load_command *command) if (!bfd_mach_o_read_encryption_info (abfd, command)) return FALSE; break; + case BFD_MACH_O_LC_ENCRYPTION_INFO_64: + if (!bfd_mach_o_read_encryption_info_64 (abfd, command)) + return FALSE; + break; case BFD_MACH_O_LC_DYLD_INFO: if (!bfd_mach_o_read_dyld_info (abfd, command)) return FALSE; break; case BFD_MACH_O_LC_VERSION_MIN_MACOSX: case BFD_MACH_O_LC_VERSION_MIN_IPHONEOS: + case BFD_MACH_O_LC_VERSION_MIN_WATCHOS: if (!bfd_mach_o_read_version_min (abfd, command)) return FALSE; break; @@ -5016,13 +5004,14 @@ bfd_mach_o_gen_mkobject (bfd *abfd) const bfd_target * bfd_mach_o_header_p (bfd *abfd, + file_ptr hdr_off, bfd_mach_o_filetype filetype, bfd_mach_o_cpu_type cputype) { bfd_mach_o_header header; bfd_mach_o_data_struct *mdata; - if (!bfd_mach_o_read_header (abfd, &header)) + if (!bfd_mach_o_read_header (abfd, hdr_off, &header)) goto wrong; if (! (header.byteorder == BFD_ENDIAN_BIG @@ -5079,6 +5068,7 @@ bfd_mach_o_header_p (bfd *abfd, mdata = (bfd_mach_o_data_struct *) bfd_zalloc (abfd, sizeof (*mdata)); if (mdata == NULL) goto fail; + mdata->hdr_offset = hdr_off; if (!bfd_mach_o_scan (abfd, &header, mdata)) goto wrong; @@ -5095,13 +5085,13 @@ bfd_mach_o_header_p (bfd *abfd, static const bfd_target * bfd_mach_o_gen_object_p (bfd *abfd) { - return bfd_mach_o_header_p (abfd, 0, 0); + return bfd_mach_o_header_p (abfd, 0, 0, 0); } static const bfd_target * bfd_mach_o_gen_core_p (bfd *abfd) { - return bfd_mach_o_header_p (abfd, BFD_MACH_O_MH_CORE, 0); + return bfd_mach_o_header_p (abfd, 0, BFD_MACH_O_MH_CORE, 0); } /* Return the base address of ABFD, ie the address at which the image is @@ -5149,7 +5139,7 @@ typedef struct mach_o_fat_data_struct } mach_o_fat_data_struct; const bfd_target * -bfd_mach_o_archive_p (bfd *abfd) +bfd_mach_o_fat_archive_p (bfd *abfd) { mach_o_fat_data_struct *adata = NULL; struct mach_o_fat_header_external hdr; @@ -5238,7 +5228,7 @@ bfd_mach_o_fat_member_init (bfd *abfd, } bfd * -bfd_mach_o_openr_next_archived_file (bfd *archive, bfd *prev) +bfd_mach_o_fat_openr_next_archived_file (bfd *archive, bfd *prev) { mach_o_fat_data_struct *adata; mach_o_fat_archentry *entry = NULL; @@ -5796,9 +5786,6 @@ bfd_mach_o_close_and_cleanup (bfd *abfd) } } - if (bfd_get_format (abfd) == bfd_archive - && abfd->xvec == &mach_o_fat_vec) - return TRUE; return _bfd_generic_close_and_cleanup (abfd); } @@ -5864,17 +5851,12 @@ bfd_boolean bfd_mach_o_free_cached_info (bfd *abfd) /* Not yet handled: creating an archive. */ #define bfd_mach_o_mkarchive _bfd_noarchive_mkarchive +#define bfd_mach_o_close_and_cleanup bfd_true + /* Not used. */ -#define bfd_mach_o_read_ar_hdr _bfd_noarchive_read_ar_hdr -#define bfd_mach_o_write_ar_hdr _bfd_noarchive_write_ar_hdr -#define bfd_mach_o_slurp_armap _bfd_noarchive_slurp_armap -#define bfd_mach_o_slurp_extended_name_table _bfd_noarchive_slurp_extended_name_table -#define bfd_mach_o_construct_extended_name_table _bfd_noarchive_construct_extended_name_table -#define bfd_mach_o_truncate_arname _bfd_noarchive_truncate_arname -#define bfd_mach_o_write_armap _bfd_noarchive_write_armap -#define bfd_mach_o_get_elt_at_index _bfd_noarchive_get_elt_at_index #define bfd_mach_o_generic_stat_arch_elt bfd_mach_o_fat_stat_arch_elt -#define bfd_mach_o_update_armap_timestamp _bfd_noarchive_update_armap_timestamp +#define bfd_mach_o_openr_next_archived_file bfd_mach_o_fat_openr_next_archived_file +#define bfd_mach_o_archive_p bfd_mach_o_fat_archive_p #define TARGET_NAME mach_o_fat_vec #define TARGET_STRING "mach-o-fat" |