1 /* Mach-O support for BFD.
2 Copyright 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
3 Free Software Foundation, Inc.
5 This file is part of BFD, the Binary File Descriptor library.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
20 MA 02110-1301, USA. */
26 #include "libiberty.h"
27 #include "aout/stab_gnu.h"
30 #define bfd_mach_o_object_p bfd_mach_o_gen_object_p
31 #define bfd_mach_o_core_p bfd_mach_o_gen_core_p
32 #define bfd_mach_o_mkobject bfd_false
34 #define FILE_ALIGN(off, algn) \
35 (((off) + ((file_ptr) 1 << (algn)) - 1) & ((file_ptr) -1 << (algn)))
37 static int bfd_mach_o_read_symtab_symbols (bfd *);
40 bfd_mach_o_version (bfd *abfd)
42 bfd_mach_o_data_struct *mdata = NULL;
44 BFD_ASSERT (bfd_mach_o_valid (abfd));
45 mdata = bfd_mach_o_get_data (abfd);
47 return mdata->header.version;
51 bfd_mach_o_valid (bfd *abfd)
53 if (abfd == NULL || abfd->xvec == NULL)
56 if (abfd->xvec->flavour != bfd_target_mach_o_flavour)
59 if (bfd_mach_o_get_data (abfd) == NULL)
64 static INLINE bfd_boolean
65 mach_o_wide_p (bfd_mach_o_header *header)
67 switch (header->version)
79 static INLINE bfd_boolean
80 bfd_mach_o_wide_p (bfd *abfd)
82 return mach_o_wide_p (&bfd_mach_o_get_data (abfd)->header);
85 /* Tables to translate well known Mach-O segment/section names to bfd
86 names. Use of canonical names (such as .text or .debug_frame) is required
89 struct mach_o_section_name_xlat
92 const char *mach_o_name;
96 static const struct mach_o_section_name_xlat dwarf_section_names_xlat[] =
98 { ".debug_frame", "__debug_frame", SEC_DEBUGGING },
99 { ".debug_info", "__debug_info", SEC_DEBUGGING },
100 { ".debug_abbrev", "__debug_abbrev", SEC_DEBUGGING },
101 { ".debug_aranges", "__debug_aranges", SEC_DEBUGGING },
102 { ".debug_macinfo", "__debug_macinfo", SEC_DEBUGGING },
103 { ".debug_line", "__debug_line", SEC_DEBUGGING },
104 { ".debug_loc", "__debug_loc", SEC_DEBUGGING },
105 { ".debug_pubnames", "__debug_pubnames", SEC_DEBUGGING },
106 { ".debug_pubtypes", "__debug_pubtypes", SEC_DEBUGGING },
107 { ".debug_str", "__debug_str", SEC_DEBUGGING },
108 { ".debug_ranges", "__debug_ranges", SEC_DEBUGGING },
112 static const struct mach_o_section_name_xlat text_section_names_xlat[] =
114 { ".text", "__text", SEC_CODE | SEC_LOAD },
115 { ".const", "__const", SEC_READONLY | SEC_DATA | SEC_LOAD },
116 { ".cstring", "__cstring", SEC_READONLY | SEC_DATA | SEC_LOAD },
117 { ".eh_frame", "__eh_frame", SEC_READONLY | SEC_LOAD },
121 static const struct mach_o_section_name_xlat data_section_names_xlat[] =
123 { ".data", "__data", SEC_DATA | SEC_LOAD },
124 { ".const_data", "__const", SEC_DATA | SEC_LOAD },
125 { ".dyld", "__dyld", SEC_DATA | SEC_LOAD },
126 { ".lazy_symbol_ptr", "__la_symbol_ptr", SEC_DATA | SEC_LOAD },
127 { ".non_lazy_symbol_ptr", "__nl_symbol_ptr", SEC_DATA | SEC_LOAD },
128 { ".bss", "__bss", SEC_NO_FLAGS },
132 struct mach_o_segment_name_xlat
135 const struct mach_o_section_name_xlat *sections;
138 static const struct mach_o_segment_name_xlat segsec_names_xlat[] =
140 { "__DWARF", dwarf_section_names_xlat },
141 { "__TEXT", text_section_names_xlat },
142 { "__DATA", data_section_names_xlat },
147 /* Mach-O to bfd names. */
150 bfd_mach_o_convert_section_name_to_bfd (bfd *abfd, bfd_mach_o_section *section,
151 char **name, flagword *flags)
153 const struct mach_o_segment_name_xlat *seg;
156 const char *pfx = "";
159 *flags = SEC_NO_FLAGS;
161 for (seg = segsec_names_xlat; seg->segname; seg++)
163 if (strcmp (seg->segname, section->segname) == 0)
165 const struct mach_o_section_name_xlat *sec;
167 for (sec = seg->sections; sec->mach_o_name; sec++)
169 if (strcmp (sec->mach_o_name, section->sectname) == 0)
171 len = strlen (sec->bfd_name);
172 res = bfd_alloc (abfd, len + 1);
176 strcpy (res, sec->bfd_name);
185 len = strlen (section->segname) + 1
186 + strlen (section->sectname) + 1;
188 /* Put "LC_SEGMENT." prefix if the segment name is weird (ie doesn't start
189 with an underscore. */
190 if (section->segname[0] != '_')
192 static const char seg_pfx[] = "LC_SEGMENT.";
195 len += sizeof (seg_pfx) - 1;
198 res = bfd_alloc (abfd, len);
201 snprintf (res, len, "%s%s.%s", pfx, section->segname, section->sectname);
205 /* Convert a bfd section name to a Mach-O segment + section name. */
208 bfd_mach_o_convert_section_name_to_mach_o (bfd *abfd ATTRIBUTE_UNUSED,
210 bfd_mach_o_section *section)
212 const struct mach_o_segment_name_xlat *seg;
213 const char *name = bfd_get_section_name (abfd, sect);
219 /* List of well known names. They all start with a dot. */
221 for (seg = segsec_names_xlat; seg->segname; seg++)
223 const struct mach_o_section_name_xlat *sec;
225 for (sec = seg->sections; sec->mach_o_name; sec++)
227 if (strcmp (sec->bfd_name, name) == 0)
229 strcpy (section->segname, seg->segname);
230 strcpy (section->sectname, sec->mach_o_name);
236 /* Strip LC_SEGMENT. prefix. */
237 if (strncmp (name, "LC_SEGMENT.", 11) == 0)
241 dot = strchr (name, '.');
244 /* Try to split name into segment and section names. */
245 if (dot && dot != name)
248 seclen = len - (dot + 1 - name);
250 if (seglen < 16 && seclen < 16)
252 memcpy (section->segname, name, seglen);
253 section->segname[seglen] = 0;
254 memcpy (section->sectname, dot + 1, seclen);
255 section->sectname[seclen] = 0;
262 memcpy (section->segname, name, len);
263 section->segname[len] = 0;
264 memcpy (section->sectname, name, len);
265 section->sectname[len] = 0;
268 /* Return the size of an entry for section SEC.
269 Must be called only for symbol pointer section and symbol stubs
273 bfd_mach_o_section_get_entry_size (bfd *abfd, bfd_mach_o_section *sec)
275 switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK)
277 case BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS:
278 case BFD_MACH_O_S_LAZY_SYMBOL_POINTERS:
279 return bfd_mach_o_wide_p (abfd) ? 8 : 4;
280 case BFD_MACH_O_S_SYMBOL_STUBS:
281 return sec->reserved2;
288 /* Return the number of indirect symbols for a section.
289 Must be called only for symbol pointer section and symbol stubs
293 bfd_mach_o_section_get_nbr_indirect (bfd *abfd, bfd_mach_o_section *sec)
297 elsz = bfd_mach_o_section_get_entry_size (abfd, sec);
301 return sec->size / elsz;
305 /* Copy any private info we understand from the input symbol
306 to the output symbol. */
309 bfd_mach_o_bfd_copy_private_symbol_data (bfd *ibfd ATTRIBUTE_UNUSED,
310 asymbol *isymbol ATTRIBUTE_UNUSED,
311 bfd *obfd ATTRIBUTE_UNUSED,
312 asymbol *osymbol ATTRIBUTE_UNUSED)
317 /* Copy any private info we understand from the input section
318 to the output section. */
321 bfd_mach_o_bfd_copy_private_section_data (bfd *ibfd ATTRIBUTE_UNUSED,
322 asection *isection ATTRIBUTE_UNUSED,
323 bfd *obfd ATTRIBUTE_UNUSED,
324 asection *osection ATTRIBUTE_UNUSED)
329 /* Copy any private info we understand from the input bfd
330 to the output bfd. */
333 bfd_mach_o_bfd_copy_private_bfd_data (bfd *ibfd, bfd *obfd)
335 if (bfd_get_flavour (ibfd) != bfd_target_mach_o_flavour
336 || bfd_get_flavour (obfd) != bfd_target_mach_o_flavour)
339 BFD_ASSERT (bfd_mach_o_valid (ibfd));
340 BFD_ASSERT (bfd_mach_o_valid (obfd));
342 /* FIXME: copy commands. */
347 /* Count the total number of symbols. */
350 bfd_mach_o_count_symbols (bfd *abfd)
352 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
354 if (mdata->symtab == NULL)
356 return mdata->symtab->nsyms;
360 bfd_mach_o_get_symtab_upper_bound (bfd *abfd)
362 long nsyms = bfd_mach_o_count_symbols (abfd);
364 return ((nsyms + 1) * sizeof (asymbol *));
368 bfd_mach_o_canonicalize_symtab (bfd *abfd, asymbol **alocation)
370 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
371 long nsyms = bfd_mach_o_count_symbols (abfd);
372 bfd_mach_o_symtab_command *sym = mdata->symtab;
378 if (bfd_mach_o_read_symtab_symbols (abfd) != 0)
381 "bfd_mach_o_canonicalize_symtab: unable to load symbols\n");
385 BFD_ASSERT (sym->symbols != NULL);
387 for (j = 0; j < sym->nsyms; j++)
388 alocation[j] = &sym->symbols[j].symbol;
396 bfd_mach_o_get_synthetic_symtab (bfd *abfd,
397 long symcount ATTRIBUTE_UNUSED,
398 asymbol **syms ATTRIBUTE_UNUSED,
399 long dynsymcount ATTRIBUTE_UNUSED,
400 asymbol **dynsyms ATTRIBUTE_UNUSED,
403 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
404 bfd_mach_o_dysymtab_command *dysymtab = mdata->dysymtab;
405 bfd_mach_o_symtab_command *symtab = mdata->symtab;
407 unsigned long count, i, j, n;
414 if (dysymtab == NULL || symtab == NULL || symtab->symbols == NULL)
417 if (dysymtab->nindirectsyms == 0)
420 count = dysymtab->nindirectsyms;
421 size = count * sizeof (asymbol) + 1;
423 for (j = 0; j < count; j++)
425 unsigned int isym = dysymtab->indirect_syms[j];
427 if (isym < symtab->nsyms && symtab->symbols[isym].symbol.name)
428 size += strlen (symtab->symbols[isym].symbol.name) + sizeof ("$stub");
431 s = *ret = (asymbol *) bfd_malloc (size);
434 names = (char *) (s + count);
439 for (i = 0; i < mdata->nsects; i++)
441 bfd_mach_o_section *sec = mdata->sections[i];
442 unsigned int first, last;
446 switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK)
448 case BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS:
449 case BFD_MACH_O_S_LAZY_SYMBOL_POINTERS:
450 case BFD_MACH_O_S_SYMBOL_STUBS:
451 first = sec->reserved1;
452 last = first + bfd_mach_o_section_get_nbr_indirect (abfd, sec);
454 entry_size = bfd_mach_o_section_get_entry_size (abfd, sec);
455 for (j = first; j < last; j++)
457 unsigned int isym = dysymtab->indirect_syms[j];
459 s->flags = BSF_GLOBAL | BSF_SYNTHETIC;
460 s->section = sec->bfdsection;
461 s->value = addr - sec->addr;
464 if (isym < symtab->nsyms
465 && symtab->symbols[isym].symbol.name)
467 const char *sym = symtab->symbols[isym].symbol.name;
472 memcpy (names, sym, len);
474 memcpy (names, "$stub", sizeof ("$stub"));
475 names += sizeof ("$stub");
494 bfd_mach_o_get_symbol_info (bfd *abfd ATTRIBUTE_UNUSED,
498 bfd_symbol_info (symbol, ret);
502 bfd_mach_o_print_symbol (bfd *abfd,
505 bfd_print_symbol_type how)
507 FILE *file = (FILE *) afile;
509 bfd_mach_o_asymbol *asym = (bfd_mach_o_asymbol *)symbol;
513 case bfd_print_symbol_name:
514 fprintf (file, "%s", symbol->name);
517 bfd_print_symbol_vandf (abfd, (void *) file, symbol);
518 if (asym->n_type & BFD_MACH_O_N_STAB)
519 name = bfd_get_stab_name (asym->n_type);
521 switch (asym->n_type & BFD_MACH_O_N_TYPE)
523 case BFD_MACH_O_N_UNDF:
526 case BFD_MACH_O_N_ABS:
529 case BFD_MACH_O_N_INDR:
532 case BFD_MACH_O_N_PBUD:
535 case BFD_MACH_O_N_SECT:
544 fprintf (file, " %02x %-6s %02x %04x",
545 asym->n_type, name, asym->n_sect, asym->n_desc);
546 if ((asym->n_type & BFD_MACH_O_N_STAB) == 0
547 && (asym->n_type & BFD_MACH_O_N_TYPE) == BFD_MACH_O_N_SECT)
548 fprintf (file, " %-5s", symbol->section->name);
549 fprintf (file, " %s", symbol->name);
554 bfd_mach_o_convert_architecture (bfd_mach_o_cpu_type mtype,
555 bfd_mach_o_cpu_subtype msubtype ATTRIBUTE_UNUSED,
556 enum bfd_architecture *type,
557 unsigned long *subtype)
559 *subtype = bfd_arch_unknown;
563 case BFD_MACH_O_CPU_TYPE_VAX: *type = bfd_arch_vax; break;
564 case BFD_MACH_O_CPU_TYPE_MC680x0: *type = bfd_arch_m68k; break;
565 case BFD_MACH_O_CPU_TYPE_I386:
566 *type = bfd_arch_i386;
567 *subtype = bfd_mach_i386_i386;
569 case BFD_MACH_O_CPU_TYPE_X86_64:
570 *type = bfd_arch_i386;
571 *subtype = bfd_mach_x86_64;
573 case BFD_MACH_O_CPU_TYPE_MIPS: *type = bfd_arch_mips; break;
574 case BFD_MACH_O_CPU_TYPE_MC98000: *type = bfd_arch_m98k; break;
575 case BFD_MACH_O_CPU_TYPE_HPPA: *type = bfd_arch_hppa; break;
576 case BFD_MACH_O_CPU_TYPE_ARM: *type = bfd_arch_arm; break;
577 case BFD_MACH_O_CPU_TYPE_MC88000: *type = bfd_arch_m88k; break;
578 case BFD_MACH_O_CPU_TYPE_SPARC:
579 *type = bfd_arch_sparc;
580 *subtype = bfd_mach_sparc;
582 case BFD_MACH_O_CPU_TYPE_I860: *type = bfd_arch_i860; break;
583 case BFD_MACH_O_CPU_TYPE_ALPHA: *type = bfd_arch_alpha; break;
584 case BFD_MACH_O_CPU_TYPE_POWERPC:
585 *type = bfd_arch_powerpc;
586 *subtype = bfd_mach_ppc;
588 case BFD_MACH_O_CPU_TYPE_POWERPC_64:
589 *type = bfd_arch_powerpc;
590 *subtype = bfd_mach_ppc64;
593 *type = bfd_arch_unknown;
599 bfd_mach_o_write_header (bfd *abfd, bfd_mach_o_header *header)
601 unsigned char buf[32];
604 size = mach_o_wide_p (header) ?
605 BFD_MACH_O_HEADER_64_SIZE : BFD_MACH_O_HEADER_SIZE;
607 bfd_h_put_32 (abfd, header->magic, buf + 0);
608 bfd_h_put_32 (abfd, header->cputype, buf + 4);
609 bfd_h_put_32 (abfd, header->cpusubtype, buf + 8);
610 bfd_h_put_32 (abfd, header->filetype, buf + 12);
611 bfd_h_put_32 (abfd, header->ncmds, buf + 16);
612 bfd_h_put_32 (abfd, header->sizeofcmds, buf + 20);
613 bfd_h_put_32 (abfd, header->flags, buf + 24);
615 if (mach_o_wide_p (header))
616 bfd_h_put_32 (abfd, header->reserved, buf + 28);
618 if (bfd_seek (abfd, 0, SEEK_SET) != 0
619 || bfd_bwrite ((void *) buf, size, abfd) != size)
626 bfd_mach_o_write_thread (bfd *abfd, bfd_mach_o_load_command *command)
628 bfd_mach_o_thread_command *cmd = &command->command.thread;
630 unsigned char buf[8];
632 unsigned int nflavours;
634 BFD_ASSERT ((command->type == BFD_MACH_O_LC_THREAD)
635 || (command->type == BFD_MACH_O_LC_UNIXTHREAD));
639 for (i = 0; i < cmd->nflavours; i++)
641 BFD_ASSERT ((cmd->flavours[i].size % 4) == 0);
642 BFD_ASSERT (cmd->flavours[i].offset == (command->offset + offset + 8));
644 bfd_h_put_32 (abfd, cmd->flavours[i].flavour, buf);
645 bfd_h_put_32 (abfd, (cmd->flavours[i].size / 4), buf + 4);
647 if (bfd_seek (abfd, command->offset + offset, SEEK_SET) != 0
648 || bfd_bwrite ((void *) buf, 8, abfd) != 8)
651 offset += cmd->flavours[i].size + 8;
658 bfd_mach_o_get_reloc_upper_bound (bfd *abfd ATTRIBUTE_UNUSED,
661 return (asect->reloc_count + 1) * sizeof (arelent *);
665 bfd_mach_o_canonicalize_one_reloc (bfd *abfd, char *buf,
666 arelent *res, asymbol **syms)
668 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
669 bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd);
670 bfd_mach_o_reloc_info reloc;
675 addr = bfd_get_32 (abfd, buf + 0);
676 symnum = bfd_get_32 (abfd, buf + 4);
678 if (addr & BFD_MACH_O_SR_SCATTERED)
682 /* Scattered relocation.
683 Extract section and offset from r_value. */
684 res->sym_ptr_ptr = NULL;
686 for (j = 0; j < mdata->nsects; j++)
688 bfd_mach_o_section *sect = mdata->sections[j];
689 if (symnum >= sect->addr && symnum < sect->addr + sect->size)
691 res->sym_ptr_ptr = sect->bfdsection->symbol_ptr_ptr;
692 res->addend = symnum - sect->addr;
696 res->address = BFD_MACH_O_GET_SR_ADDRESS (addr);
697 reloc.r_type = BFD_MACH_O_GET_SR_TYPE (addr);
698 reloc.r_length = BFD_MACH_O_GET_SR_LENGTH (addr);
699 reloc.r_pcrel = addr & BFD_MACH_O_SR_PCREL;
700 reloc.r_scattered = 1;
704 unsigned int num = BFD_MACH_O_GET_R_SYMBOLNUM (symnum);
707 if (symnum & BFD_MACH_O_R_EXTERN)
711 BFD_ASSERT (num != 0);
712 BFD_ASSERT (num <= mdata->nsects);
713 sym = mdata->sections[num - 1]->bfdsection->symbol_ptr_ptr;
715 res->sym_ptr_ptr = sym;
716 reloc.r_type = BFD_MACH_O_GET_R_TYPE (symnum);
717 reloc.r_length = BFD_MACH_O_GET_R_LENGTH (symnum);
718 reloc.r_pcrel = (symnum & BFD_MACH_O_R_PCREL) ? 1 : 0;
719 reloc.r_scattered = 0;
722 if (!(*bed->_bfd_mach_o_swap_reloc_in)(res, &reloc))
728 bfd_mach_o_canonicalize_relocs (bfd *abfd, unsigned long filepos,
730 arelent *res, asymbol **syms)
734 bfd_size_type native_size;
736 /* Allocate and read relocs. */
737 native_size = count * BFD_MACH_O_RELENT_SIZE;
738 native_relocs = bfd_malloc (native_size);
739 if (native_relocs == NULL)
742 if (bfd_seek (abfd, filepos, SEEK_SET) != 0
743 || bfd_bread (native_relocs, native_size, abfd) != native_size)
746 for (i = 0; i < count; i++)
748 char *buf = native_relocs + BFD_MACH_O_RELENT_SIZE * i;
750 if (bfd_mach_o_canonicalize_one_reloc (abfd, buf, &res[i], syms) < 0)
753 free (native_relocs);
756 free (native_relocs);
761 bfd_mach_o_canonicalize_reloc (bfd *abfd, asection *asect,
762 arelent **rels, asymbol **syms)
764 bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd);
768 if (asect->reloc_count == 0)
771 /* No need to go further if we don't know how to read relocs. */
772 if (bed->_bfd_mach_o_swap_reloc_in == NULL)
775 res = bfd_malloc (asect->reloc_count * sizeof (arelent));
779 if (bfd_mach_o_canonicalize_relocs (abfd, asect->rel_filepos,
780 asect->reloc_count, res, syms) < 0)
786 for (i = 0; i < asect->reloc_count; i++)
789 asect->relocation = res;
795 bfd_mach_o_get_dynamic_reloc_upper_bound (bfd *abfd)
797 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
799 if (mdata->dysymtab == NULL)
801 return (mdata->dysymtab->nextrel + mdata->dysymtab->nlocrel)
802 * sizeof (arelent *);
806 bfd_mach_o_canonicalize_dynamic_reloc (bfd *abfd, arelent **rels,
807 struct bfd_symbol **syms)
809 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
810 bfd_mach_o_dysymtab_command *dysymtab = mdata->dysymtab;
811 bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd);
815 if (dysymtab == NULL)
817 if (dysymtab->nextrel == 0 && dysymtab->nlocrel == 0)
820 /* No need to go further if we don't know how to read relocs. */
821 if (bed->_bfd_mach_o_swap_reloc_in == NULL)
824 res = bfd_malloc ((dysymtab->nextrel + dysymtab->nlocrel) * sizeof (arelent));
828 if (bfd_mach_o_canonicalize_relocs (abfd, dysymtab->extreloff,
829 dysymtab->nextrel, res, syms) < 0)
835 if (bfd_mach_o_canonicalize_relocs (abfd, dysymtab->locreloff,
837 res + dysymtab->nextrel, syms) < 0)
843 for (i = 0; i < dysymtab->nextrel + dysymtab->nlocrel; i++)
850 bfd_mach_o_write_relocs (bfd *abfd, bfd_mach_o_section *section)
852 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
856 bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd);
858 sec = section->bfdsection;
859 if (sec->reloc_count == 0)
862 if (bed->_bfd_mach_o_swap_reloc_out == NULL)
865 /* Allocate relocation room. */
866 mdata->filelen = FILE_ALIGN(mdata->filelen, 2);
867 section->nreloc = sec->reloc_count;
868 sec->rel_filepos = mdata->filelen;
869 section->reloff = sec->rel_filepos;
870 mdata->filelen += sec->reloc_count * BFD_MACH_O_RELENT_SIZE;
872 if (bfd_seek (abfd, section->reloff, SEEK_SET) != 0)
875 /* Convert and write. */
876 entries = section->bfdsection->orelocation;
877 for (i = 0; i < section->nreloc; i++)
879 arelent *rel = entries[i];
881 bfd_mach_o_reloc_info info, *pinfo = &info;
883 /* Convert relocation to an intermediate representation. */
884 if (!(*bed->_bfd_mach_o_swap_reloc_out) (rel, pinfo))
887 /* Lower the relocation info. */
888 if (pinfo->r_scattered)
892 v = BFD_MACH_O_SR_SCATTERED
893 | (pinfo->r_pcrel ? BFD_MACH_O_SR_PCREL : 0)
894 | BFD_MACH_O_SET_SR_LENGTH(pinfo->r_length)
895 | BFD_MACH_O_SET_SR_TYPE(pinfo->r_type)
896 | BFD_MACH_O_SET_SR_ADDRESS(pinfo->r_address);
897 bfd_put_32 (abfd, v, buf);
898 bfd_put_32 (abfd, pinfo->r_value, buf + 4);
904 bfd_put_32 (abfd, pinfo->r_address, buf);
905 v = BFD_MACH_O_SET_R_SYMBOLNUM (pinfo->r_value)
906 | (pinfo->r_pcrel ? BFD_MACH_O_R_PCREL : 0)
907 | BFD_MACH_O_SET_R_LENGTH (pinfo->r_length)
908 | (pinfo->r_extern ? BFD_MACH_O_R_EXTERN : 0)
909 | BFD_MACH_O_SET_R_TYPE (pinfo->r_type);
910 bfd_put_32 (abfd, v, buf + 4);
913 if (bfd_bwrite ((void *) buf, BFD_MACH_O_RELENT_SIZE, abfd)
914 != BFD_MACH_O_RELENT_SIZE)
921 bfd_mach_o_write_section_32 (bfd *abfd, bfd_mach_o_section *section)
923 unsigned char buf[BFD_MACH_O_SECTION_SIZE];
925 memcpy (buf, section->sectname, 16);
926 memcpy (buf + 16, section->segname, 16);
927 bfd_h_put_32 (abfd, section->addr, buf + 32);
928 bfd_h_put_32 (abfd, section->size, buf + 36);
929 bfd_h_put_32 (abfd, section->offset, buf + 40);
930 bfd_h_put_32 (abfd, section->align, buf + 44);
931 bfd_h_put_32 (abfd, section->reloff, buf + 48);
932 bfd_h_put_32 (abfd, section->nreloc, buf + 52);
933 bfd_h_put_32 (abfd, section->flags, buf + 56);
934 bfd_h_put_32 (abfd, section->reserved1, buf + 60);
935 bfd_h_put_32 (abfd, section->reserved2, buf + 64);
937 if (bfd_bwrite ((void *) buf, BFD_MACH_O_SECTION_SIZE, abfd)
938 != BFD_MACH_O_SECTION_SIZE)
945 bfd_mach_o_write_section_64 (bfd *abfd, bfd_mach_o_section *section)
947 unsigned char buf[BFD_MACH_O_SECTION_64_SIZE];
949 memcpy (buf, section->sectname, 16);
950 memcpy (buf + 16, section->segname, 16);
951 bfd_h_put_64 (abfd, section->addr, buf + 32);
952 bfd_h_put_64 (abfd, section->size, buf + 40);
953 bfd_h_put_32 (abfd, section->offset, buf + 48);
954 bfd_h_put_32 (abfd, section->align, buf + 52);
955 bfd_h_put_32 (abfd, section->reloff, buf + 56);
956 bfd_h_put_32 (abfd, section->nreloc, buf + 60);
957 bfd_h_put_32 (abfd, section->flags, buf + 64);
958 bfd_h_put_32 (abfd, section->reserved1, buf + 68);
959 bfd_h_put_32 (abfd, section->reserved2, buf + 72);
960 bfd_h_put_32 (abfd, section->reserved3, buf + 76);
962 if (bfd_bwrite ((void *) buf, BFD_MACH_O_SECTION_64_SIZE, abfd)
963 != BFD_MACH_O_SECTION_64_SIZE)
970 bfd_mach_o_write_segment_32 (bfd *abfd, bfd_mach_o_load_command *command)
972 unsigned char buf[BFD_MACH_O_LC_SEGMENT_SIZE];
973 bfd_mach_o_segment_command *seg = &command->command.segment;
976 BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT);
978 for (i = 0; i < seg->nsects; i++)
979 if (!bfd_mach_o_write_relocs (abfd, &seg->sections[i]))
982 memcpy (buf, seg->segname, 16);
983 bfd_h_put_32 (abfd, seg->vmaddr, buf + 16);
984 bfd_h_put_32 (abfd, seg->vmsize, buf + 20);
985 bfd_h_put_32 (abfd, seg->fileoff, buf + 24);
986 bfd_h_put_32 (abfd, seg->filesize, buf + 28);
987 bfd_h_put_32 (abfd, seg->maxprot, buf + 32);
988 bfd_h_put_32 (abfd, seg->initprot, buf + 36);
989 bfd_h_put_32 (abfd, seg->nsects, buf + 40);
990 bfd_h_put_32 (abfd, seg->flags, buf + 44);
992 if (bfd_seek (abfd, command->offset + 8, SEEK_SET) != 0
993 || (bfd_bwrite ((void *) buf, BFD_MACH_O_LC_SEGMENT_SIZE - 8, abfd)
994 != BFD_MACH_O_LC_SEGMENT_SIZE - 8))
997 for (i = 0; i < seg->nsects; i++)
998 if (bfd_mach_o_write_section_32 (abfd, &seg->sections[i]))
1005 bfd_mach_o_write_segment_64 (bfd *abfd, bfd_mach_o_load_command *command)
1007 unsigned char buf[BFD_MACH_O_LC_SEGMENT_64_SIZE];
1008 bfd_mach_o_segment_command *seg = &command->command.segment;
1011 BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT_64);
1013 for (i = 0; i < seg->nsects; i++)
1014 if (!bfd_mach_o_write_relocs (abfd, &seg->sections[i]))
1017 memcpy (buf, seg->segname, 16);
1018 bfd_h_put_64 (abfd, seg->vmaddr, buf + 16);
1019 bfd_h_put_64 (abfd, seg->vmsize, buf + 24);
1020 bfd_h_put_64 (abfd, seg->fileoff, buf + 32);
1021 bfd_h_put_64 (abfd, seg->filesize, buf + 40);
1022 bfd_h_put_32 (abfd, seg->maxprot, buf + 48);
1023 bfd_h_put_32 (abfd, seg->initprot, buf + 52);
1024 bfd_h_put_32 (abfd, seg->nsects, buf + 56);
1025 bfd_h_put_32 (abfd, seg->flags, buf + 60);
1027 if (bfd_seek (abfd, command->offset + 8, SEEK_SET) != 0
1028 || (bfd_bwrite ((void *) buf, BFD_MACH_O_LC_SEGMENT_64_SIZE - 8, abfd)
1029 != BFD_MACH_O_LC_SEGMENT_64_SIZE - 8))
1032 for (i = 0; i < seg->nsects; i++)
1033 if (bfd_mach_o_write_section_64 (abfd, &seg->sections[i]))
1040 bfd_mach_o_write_symtab (bfd *abfd, bfd_mach_o_load_command *command)
1042 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
1043 bfd_mach_o_symtab_command *sym = &command->command.symtab;
1044 unsigned char buf[16];
1046 unsigned int wide = bfd_mach_o_wide_p (abfd);
1047 unsigned int symlen = wide ? BFD_MACH_O_NLIST_64_SIZE : BFD_MACH_O_NLIST_SIZE;
1048 struct bfd_strtab_hash *strtab;
1049 asymbol **symbols = bfd_get_outsymbols (abfd);
1051 BFD_ASSERT (command->type == BFD_MACH_O_LC_SYMTAB);
1053 /* Write the symbols first. */
1054 mdata->filelen = FILE_ALIGN(mdata->filelen, wide ? 3 : 2);
1055 sym->symoff = mdata->filelen;
1056 if (bfd_seek (abfd, sym->symoff, SEEK_SET) != 0)
1059 sym->nsyms = bfd_get_symcount (abfd);
1060 mdata->filelen += sym->nsyms * symlen;
1062 strtab = _bfd_stringtab_init ();
1066 for (i = 0; i < sym->nsyms; i++)
1068 bfd_size_type str_index;
1069 bfd_mach_o_asymbol *s = (bfd_mach_o_asymbol *)symbols[i];
1071 /* Compute name index. */
1072 /* An index of 0 always means the empty string. */
1073 if (s->symbol.name == 0 || s->symbol.name[0] == '\0')
1077 str_index = _bfd_stringtab_add (strtab, s->symbol.name, TRUE, FALSE);
1078 if (str_index == (bfd_size_type) -1)
1081 bfd_h_put_32 (abfd, str_index, buf);
1082 bfd_h_put_8 (abfd, s->n_type, buf + 4);
1083 bfd_h_put_8 (abfd, s->n_sect, buf + 5);
1084 bfd_h_put_16 (abfd, s->n_desc, buf + 6);
1086 bfd_h_put_64 (abfd, s->symbol.section->vma + s->symbol.value, buf + 8);
1088 bfd_h_put_32 (abfd, s->symbol.section->vma + s->symbol.value, buf + 8);
1090 if (bfd_bwrite ((void *) buf, symlen, abfd) != symlen)
1093 sym->strsize = _bfd_stringtab_size (strtab);
1094 sym->stroff = mdata->filelen;
1095 mdata->filelen += sym->strsize;
1097 if (_bfd_stringtab_emit (abfd, strtab) != TRUE)
1099 _bfd_stringtab_free (strtab);
1102 bfd_h_put_32 (abfd, sym->symoff, buf);
1103 bfd_h_put_32 (abfd, sym->nsyms, buf + 4);
1104 bfd_h_put_32 (abfd, sym->stroff, buf + 8);
1105 bfd_h_put_32 (abfd, sym->strsize, buf + 12);
1107 if (bfd_seek (abfd, command->offset + 8, SEEK_SET) != 0
1108 || bfd_bwrite ((void *) buf, 16, abfd) != 16)
1114 _bfd_stringtab_free (strtab);
1118 /* Process the symbols and generate Mach-O specific fields.
1122 bfd_mach_o_mangle_symbols (bfd *abfd)
1125 asymbol **symbols = bfd_get_outsymbols (abfd);
1127 for (i = 0; i < bfd_get_symcount (abfd); i++)
1129 bfd_mach_o_asymbol *s = (bfd_mach_o_asymbol *)symbols[i];
1131 if (s->n_type == BFD_MACH_O_N_UNDF && !(s->symbol.flags & BSF_DEBUGGING))
1133 /* As genuine Mach-O symbols type shouldn't be N_UNDF (undefined
1134 symbols should be N_UNDEF | N_EXT), we suppose the back-end
1135 values haven't been set. */
1136 if (s->symbol.section == bfd_abs_section_ptr)
1137 s->n_type = BFD_MACH_O_N_ABS;
1138 else if (s->symbol.section == bfd_und_section_ptr)
1140 s->n_type = BFD_MACH_O_N_UNDF;
1141 if (s->symbol.flags & BSF_WEAK)
1142 s->n_desc |= BFD_MACH_O_N_WEAK_REF;
1144 else if (s->symbol.section == bfd_com_section_ptr)
1145 s->n_type = BFD_MACH_O_N_UNDF | BFD_MACH_O_N_EXT;
1147 s->n_type = BFD_MACH_O_N_SECT;
1149 if (s->symbol.flags & BSF_GLOBAL)
1150 s->n_type |= BFD_MACH_O_N_EXT;
1153 /* Compute section index. */
1154 if (s->symbol.section != bfd_abs_section_ptr
1155 && s->symbol.section != bfd_und_section_ptr
1156 && s->symbol.section != bfd_com_section_ptr)
1157 s->n_sect = s->symbol.section->target_index;
1159 /* Number symbols. */
1160 s->symbol.udata.i = i;
1166 bfd_mach_o_write_contents (bfd *abfd)
1169 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
1171 if (mdata->header.ncmds == 0)
1172 if (!bfd_mach_o_build_commands (abfd))
1175 /* Now write header information. */
1176 if (mdata->header.filetype == 0)
1178 if (abfd->flags & EXEC_P)
1179 mdata->header.filetype = BFD_MACH_O_MH_EXECUTE;
1180 else if (abfd->flags & DYNAMIC)
1181 mdata->header.filetype = BFD_MACH_O_MH_DYLIB;
1183 mdata->header.filetype = BFD_MACH_O_MH_OBJECT;
1185 if (!bfd_mach_o_write_header (abfd, &mdata->header))
1188 /* Assign a number to each symbols. */
1189 if (!bfd_mach_o_mangle_symbols (abfd))
1192 for (i = 0; i < mdata->header.ncmds; i++)
1194 unsigned char buf[8];
1195 bfd_mach_o_load_command *cur = &mdata->commands[i];
1196 unsigned long typeflag;
1198 typeflag = cur->type | (cur->type_required ? BFD_MACH_O_LC_REQ_DYLD : 0);
1200 bfd_h_put_32 (abfd, typeflag, buf);
1201 bfd_h_put_32 (abfd, cur->len, buf + 4);
1203 if (bfd_seek (abfd, cur->offset, SEEK_SET) != 0
1204 || bfd_bwrite ((void *) buf, 8, abfd) != 8)
1209 case BFD_MACH_O_LC_SEGMENT:
1210 if (bfd_mach_o_write_segment_32 (abfd, cur) != 0)
1213 case BFD_MACH_O_LC_SEGMENT_64:
1214 if (bfd_mach_o_write_segment_64 (abfd, cur) != 0)
1217 case BFD_MACH_O_LC_SYMTAB:
1218 if (!bfd_mach_o_write_symtab (abfd, cur))
1221 case BFD_MACH_O_LC_SYMSEG:
1223 case BFD_MACH_O_LC_THREAD:
1224 case BFD_MACH_O_LC_UNIXTHREAD:
1225 if (bfd_mach_o_write_thread (abfd, cur) != 0)
1228 case BFD_MACH_O_LC_LOADFVMLIB:
1229 case BFD_MACH_O_LC_IDFVMLIB:
1230 case BFD_MACH_O_LC_IDENT:
1231 case BFD_MACH_O_LC_FVMFILE:
1232 case BFD_MACH_O_LC_PREPAGE:
1233 case BFD_MACH_O_LC_DYSYMTAB:
1234 case BFD_MACH_O_LC_LOAD_DYLIB:
1235 case BFD_MACH_O_LC_LOAD_WEAK_DYLIB:
1236 case BFD_MACH_O_LC_ID_DYLIB:
1237 case BFD_MACH_O_LC_REEXPORT_DYLIB:
1238 case BFD_MACH_O_LC_LOAD_DYLINKER:
1239 case BFD_MACH_O_LC_ID_DYLINKER:
1240 case BFD_MACH_O_LC_PREBOUND_DYLIB:
1241 case BFD_MACH_O_LC_ROUTINES:
1242 case BFD_MACH_O_LC_SUB_FRAMEWORK:
1246 "unable to write unknown load command 0x%lx\n",
1247 (unsigned long) cur->type);
1255 /* Build Mach-O load commands from the sections. */
1258 bfd_mach_o_build_commands (bfd *abfd)
1260 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
1261 unsigned int wide = mach_o_wide_p (&mdata->header);
1262 bfd_mach_o_segment_command *seg;
1263 bfd_mach_o_section *sections;
1265 bfd_mach_o_load_command *cmd;
1266 bfd_mach_o_load_command *symtab_cmd;
1269 /* Return now if commands are already built. */
1270 if (mdata->header.ncmds)
1273 /* Very simple version: 1 command (segment) containing all sections. */
1274 mdata->header.ncmds = 2;
1275 mdata->commands = bfd_alloc (abfd, mdata->header.ncmds
1276 * sizeof (bfd_mach_o_load_command));
1277 if (mdata->commands == NULL)
1279 cmd = &mdata->commands[0];
1280 seg = &cmd->command.segment;
1282 seg->nsects = bfd_count_sections (abfd);
1283 sections = bfd_alloc (abfd, seg->nsects * sizeof (bfd_mach_o_section));
1284 if (sections == NULL)
1286 seg->sections = sections;
1288 /* Set segment command. */
1291 cmd->type = BFD_MACH_O_LC_SEGMENT_64;
1292 cmd->offset = BFD_MACH_O_HEADER_64_SIZE;
1293 cmd->len = BFD_MACH_O_LC_SEGMENT_64_SIZE
1294 + BFD_MACH_O_SECTION_64_SIZE * seg->nsects;
1298 cmd->type = BFD_MACH_O_LC_SEGMENT;
1299 cmd->offset = BFD_MACH_O_HEADER_SIZE;
1300 cmd->len = BFD_MACH_O_LC_SEGMENT_SIZE
1301 + BFD_MACH_O_SECTION_SIZE * seg->nsects;
1303 cmd->type_required = FALSE;
1304 mdata->header.sizeofcmds = cmd->len;
1305 mdata->filelen = cmd->offset + cmd->len;
1307 /* Set symtab command. */
1308 symtab_cmd = &mdata->commands[1];
1310 symtab_cmd->type = BFD_MACH_O_LC_SYMTAB;
1311 symtab_cmd->offset = cmd->offset + cmd->len;
1312 symtab_cmd->len = 6 * 4;
1313 symtab_cmd->type_required = FALSE;
1315 mdata->header.sizeofcmds += symtab_cmd->len;
1316 mdata->filelen += symtab_cmd->len;
1318 /* Fill segment command. */
1319 memset (seg->segname, 0, sizeof (seg->segname));
1321 seg->fileoff = mdata->filelen;
1323 seg->maxprot = BFD_MACH_O_PROT_READ | BFD_MACH_O_PROT_WRITE
1324 | BFD_MACH_O_PROT_EXECUTE;
1325 seg->initprot = seg->maxprot;
1328 /* Create Mach-O sections. */
1330 for (sec = abfd->sections; sec; sec = sec->next)
1332 sections->bfdsection = sec;
1333 bfd_mach_o_convert_section_name_to_mach_o (abfd, sec, sections);
1334 sections->addr = bfd_get_section_vma (abfd, sec);
1335 sections->size = bfd_get_section_size (sec);
1336 sections->align = bfd_get_section_alignment (abfd, sec);
1338 if (sections->size != 0)
1340 mdata->filelen = FILE_ALIGN (mdata->filelen, sections->align);
1341 sections->offset = mdata->filelen;
1344 sections->offset = 0;
1345 sections->reloff = 0;
1346 sections->nreloc = 0;
1347 sections->reserved1 = 0;
1348 sections->reserved2 = 0;
1349 sections->reserved3 = 0;
1351 sec->filepos = sections->offset;
1352 sec->target_index = ++target_index;
1354 mdata->filelen += sections->size;
1357 seg->filesize = mdata->filelen - seg->fileoff;
1358 seg->vmsize = seg->filesize;
1363 /* Set the contents of a section. */
1366 bfd_mach_o_set_section_contents (bfd *abfd,
1368 const void * location,
1370 bfd_size_type count)
1374 /* This must be done first, because bfd_set_section_contents is
1375 going to set output_has_begun to TRUE. */
1376 if (! abfd->output_has_begun && ! bfd_mach_o_build_commands (abfd))
1382 pos = section->filepos + offset;
1383 if (bfd_seek (abfd, pos, SEEK_SET) != 0
1384 || bfd_bwrite (location, count, abfd) != count)
1391 bfd_mach_o_sizeof_headers (bfd *a ATTRIBUTE_UNUSED,
1392 struct bfd_link_info *info ATTRIBUTE_UNUSED)
1397 /* Make an empty symbol. This is required only because
1398 bfd_make_section_anyway wants to create a symbol for the section. */
1401 bfd_mach_o_make_empty_symbol (bfd *abfd)
1403 asymbol *new_symbol;
1405 new_symbol = bfd_zalloc (abfd, sizeof (bfd_mach_o_asymbol));
1406 if (new_symbol == NULL)
1408 new_symbol->the_bfd = abfd;
1409 new_symbol->udata.i = 0;
1414 bfd_mach_o_read_header (bfd *abfd, bfd_mach_o_header *header)
1416 unsigned char buf[32];
1418 bfd_vma (*get32) (const void *) = NULL;
1420 /* Just read the magic number. */
1421 if (bfd_seek (abfd, 0, SEEK_SET) != 0
1422 || bfd_bread ((void *) buf, 4, abfd) != 4)
1425 if (bfd_getb32 (buf) == BFD_MACH_O_MH_MAGIC)
1427 header->byteorder = BFD_ENDIAN_BIG;
1428 header->magic = BFD_MACH_O_MH_MAGIC;
1429 header->version = 1;
1432 else if (bfd_getl32 (buf) == BFD_MACH_O_MH_MAGIC)
1434 header->byteorder = BFD_ENDIAN_LITTLE;
1435 header->magic = BFD_MACH_O_MH_MAGIC;
1436 header->version = 1;
1439 else if (bfd_getb32 (buf) == BFD_MACH_O_MH_MAGIC_64)
1441 header->byteorder = BFD_ENDIAN_BIG;
1442 header->magic = BFD_MACH_O_MH_MAGIC_64;
1443 header->version = 2;
1446 else if (bfd_getl32 (buf) == BFD_MACH_O_MH_MAGIC_64)
1448 header->byteorder = BFD_ENDIAN_LITTLE;
1449 header->magic = BFD_MACH_O_MH_MAGIC_64;
1450 header->version = 2;
1455 header->byteorder = BFD_ENDIAN_UNKNOWN;
1459 /* Once the size of the header is known, read the full header. */
1460 size = mach_o_wide_p (header) ?
1461 BFD_MACH_O_HEADER_64_SIZE : BFD_MACH_O_HEADER_SIZE;
1463 if (bfd_seek (abfd, 0, SEEK_SET) != 0
1464 || bfd_bread ((void *) buf, size, abfd) != size)
1467 header->cputype = (*get32) (buf + 4);
1468 header->cpusubtype = (*get32) (buf + 8);
1469 header->filetype = (*get32) (buf + 12);
1470 header->ncmds = (*get32) (buf + 16);
1471 header->sizeofcmds = (*get32) (buf + 20);
1472 header->flags = (*get32) (buf + 24);
1474 if (mach_o_wide_p (header))
1475 header->reserved = (*get32) (buf + 28);
1481 bfd_mach_o_make_bfd_section (bfd *abfd, bfd_mach_o_section *section,
1488 bfd_mach_o_convert_section_name_to_bfd (abfd, section, &sname, &flags);
1492 if (flags == SEC_NO_FLAGS)
1494 /* Try to guess flags. */
1495 if (section->flags & BFD_MACH_O_S_ATTR_DEBUG)
1496 flags = SEC_DEBUGGING;
1500 if ((section->flags & BFD_MACH_O_SECTION_TYPE_MASK)
1501 != BFD_MACH_O_S_ZEROFILL)
1504 if (prot & BFD_MACH_O_PROT_EXECUTE)
1506 if (prot & BFD_MACH_O_PROT_WRITE)
1508 else if (prot & BFD_MACH_O_PROT_READ)
1509 flags |= SEC_READONLY;
1515 if ((flags & SEC_DEBUGGING) == 0)
1519 if (section->offset != 0)
1520 flags |= SEC_HAS_CONTENTS;
1521 if (section->nreloc != 0)
1524 bfdsec = bfd_make_section_anyway_with_flags (abfd, sname, flags);
1528 bfdsec->vma = section->addr;
1529 bfdsec->lma = section->addr;
1530 bfdsec->size = section->size;
1531 bfdsec->filepos = section->offset;
1532 bfdsec->alignment_power = section->align;
1533 bfdsec->segment_mark = 0;
1534 bfdsec->reloc_count = section->nreloc;
1535 bfdsec->rel_filepos = section->reloff;
1541 bfd_mach_o_read_section_32 (bfd *abfd,
1542 bfd_mach_o_section *section,
1543 unsigned int offset,
1546 unsigned char buf[BFD_MACH_O_SECTION_SIZE];
1548 if (bfd_seek (abfd, offset, SEEK_SET) != 0
1549 || (bfd_bread ((void *) buf, BFD_MACH_O_SECTION_SIZE, abfd)
1550 != BFD_MACH_O_SECTION_SIZE))
1553 memcpy (section->sectname, buf, 16);
1554 section->sectname[16] = '\0';
1555 memcpy (section->segname, buf + 16, 16);
1556 section->segname[16] = '\0';
1557 section->addr = bfd_h_get_32 (abfd, buf + 32);
1558 section->size = bfd_h_get_32 (abfd, buf + 36);
1559 section->offset = bfd_h_get_32 (abfd, buf + 40);
1560 section->align = bfd_h_get_32 (abfd, buf + 44);
1561 section->reloff = bfd_h_get_32 (abfd, buf + 48);
1562 section->nreloc = bfd_h_get_32 (abfd, buf + 52);
1563 section->flags = bfd_h_get_32 (abfd, buf + 56);
1564 section->reserved1 = bfd_h_get_32 (abfd, buf + 60);
1565 section->reserved2 = bfd_h_get_32 (abfd, buf + 64);
1566 section->reserved3 = 0;
1567 section->bfdsection = bfd_mach_o_make_bfd_section (abfd, section, prot);
1569 if (section->bfdsection == NULL)
1576 bfd_mach_o_read_section_64 (bfd *abfd,
1577 bfd_mach_o_section *section,
1578 unsigned int offset,
1581 unsigned char buf[BFD_MACH_O_SECTION_64_SIZE];
1583 if (bfd_seek (abfd, offset, SEEK_SET) != 0
1584 || (bfd_bread ((void *) buf, BFD_MACH_O_SECTION_64_SIZE, abfd)
1585 != BFD_MACH_O_SECTION_64_SIZE))
1588 memcpy (section->sectname, buf, 16);
1589 section->sectname[16] = '\0';
1590 memcpy (section->segname, buf + 16, 16);
1591 section->segname[16] = '\0';
1592 section->addr = bfd_h_get_64 (abfd, buf + 32);
1593 section->size = bfd_h_get_64 (abfd, buf + 40);
1594 section->offset = bfd_h_get_32 (abfd, buf + 48);
1595 section->align = bfd_h_get_32 (abfd, buf + 52);
1596 section->reloff = bfd_h_get_32 (abfd, buf + 56);
1597 section->nreloc = bfd_h_get_32 (abfd, buf + 60);
1598 section->flags = bfd_h_get_32 (abfd, buf + 64);
1599 section->reserved1 = bfd_h_get_32 (abfd, buf + 68);
1600 section->reserved2 = bfd_h_get_32 (abfd, buf + 72);
1601 section->reserved3 = bfd_h_get_32 (abfd, buf + 76);
1602 section->bfdsection = bfd_mach_o_make_bfd_section (abfd, section, prot);
1604 if (section->bfdsection == NULL)
1611 bfd_mach_o_read_section (bfd *abfd,
1612 bfd_mach_o_section *section,
1613 unsigned int offset,
1618 return bfd_mach_o_read_section_64 (abfd, section, offset, prot);
1620 return bfd_mach_o_read_section_32 (abfd, section, offset, prot);
1624 bfd_mach_o_read_symtab_symbol (bfd *abfd,
1625 bfd_mach_o_symtab_command *sym,
1626 bfd_mach_o_asymbol *s,
1629 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
1630 unsigned int wide = mach_o_wide_p (&mdata->header);
1631 unsigned int symwidth =
1632 wide ? BFD_MACH_O_NLIST_64_SIZE : BFD_MACH_O_NLIST_SIZE;
1633 unsigned int symoff = sym->symoff + (i * symwidth);
1634 unsigned char buf[16];
1635 unsigned char type = -1;
1636 unsigned char section = -1;
1638 symvalue value = -1;
1639 unsigned long stroff = -1;
1640 unsigned int symtype = -1;
1642 BFD_ASSERT (sym->strtab != NULL);
1644 if (bfd_seek (abfd, symoff, SEEK_SET) != 0
1645 || bfd_bread ((void *) buf, symwidth, abfd) != symwidth)
1647 fprintf (stderr, "bfd_mach_o_read_symtab_symbol: unable to read %d bytes at %lu\n",
1648 symwidth, (unsigned long) symoff);
1652 stroff = bfd_h_get_32 (abfd, buf);
1653 type = bfd_h_get_8 (abfd, buf + 4);
1654 symtype = type & BFD_MACH_O_N_TYPE;
1655 section = bfd_h_get_8 (abfd, buf + 5);
1656 desc = bfd_h_get_16 (abfd, buf + 6);
1658 value = bfd_h_get_64 (abfd, buf + 8);
1660 value = bfd_h_get_32 (abfd, buf + 8);
1662 if (stroff >= sym->strsize)
1664 fprintf (stderr, "bfd_mach_o_read_symtab_symbol: symbol name out of range (%lu >= %lu)\n",
1665 (unsigned long) stroff, (unsigned long) sym->strsize);
1669 s->symbol.the_bfd = abfd;
1670 s->symbol.name = sym->strtab + stroff;
1671 s->symbol.value = value;
1672 s->symbol.flags = 0x0;
1673 s->symbol.udata.i = 0;
1675 s->n_sect = section;
1678 if (type & BFD_MACH_O_N_STAB)
1680 s->symbol.flags |= BSF_DEBUGGING;
1681 s->symbol.section = bfd_und_section_ptr;
1693 if ((section > 0) && (section <= mdata->nsects))
1695 s->symbol.section = mdata->sections[section - 1]->bfdsection;
1697 s->symbol.value - mdata->sections[section - 1]->addr;
1704 if (type & BFD_MACH_O_N_PEXT)
1705 s->symbol.flags |= BSF_GLOBAL;
1707 if (type & BFD_MACH_O_N_EXT)
1708 s->symbol.flags |= BSF_GLOBAL;
1710 if (!(type & (BFD_MACH_O_N_PEXT | BFD_MACH_O_N_EXT)))
1711 s->symbol.flags |= BSF_LOCAL;
1715 case BFD_MACH_O_N_UNDF:
1716 if (type == (BFD_MACH_O_N_UNDF | BFD_MACH_O_N_EXT)
1717 && s->symbol.value != 0)
1719 /* A common symbol. */
1720 s->symbol.section = bfd_com_section_ptr;
1721 s->symbol.flags = BSF_NO_FLAGS;
1725 s->symbol.section = bfd_und_section_ptr;
1726 if (s->n_desc & BFD_MACH_O_N_WEAK_REF)
1727 s->symbol.flags |= BSF_WEAK;
1730 case BFD_MACH_O_N_PBUD:
1731 s->symbol.section = bfd_und_section_ptr;
1733 case BFD_MACH_O_N_ABS:
1734 s->symbol.section = bfd_abs_section_ptr;
1736 case BFD_MACH_O_N_SECT:
1737 if ((section > 0) && (section <= mdata->nsects))
1739 s->symbol.section = mdata->sections[section - 1]->bfdsection;
1741 s->symbol.value - mdata->sections[section - 1]->addr;
1745 /* Mach-O uses 0 to mean "no section"; not an error. */
1748 fprintf (stderr, "bfd_mach_o_read_symtab_symbol: "
1749 "symbol \"%s\" specified invalid section %d (max %lu): setting to undefined\n",
1750 s->symbol.name, section, mdata->nsects);
1752 s->symbol.section = bfd_und_section_ptr;
1755 case BFD_MACH_O_N_INDR:
1756 fprintf (stderr, "bfd_mach_o_read_symtab_symbol: "
1757 "symbol \"%s\" is unsupported 'indirect' reference: setting to undefined\n",
1759 s->symbol.section = bfd_und_section_ptr;
1762 fprintf (stderr, "bfd_mach_o_read_symtab_symbol: "
1763 "symbol \"%s\" specified invalid type field 0x%x: setting to undefined\n",
1764 s->symbol.name, symtype);
1765 s->symbol.section = bfd_und_section_ptr;
1774 bfd_mach_o_read_symtab_strtab (bfd *abfd)
1776 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
1777 bfd_mach_o_symtab_command *sym = mdata->symtab;
1779 /* Fail if there is no symtab. */
1783 /* Success if already loaded. */
1787 if (abfd->flags & BFD_IN_MEMORY)
1789 struct bfd_in_memory *b;
1791 b = (struct bfd_in_memory *) abfd->iostream;
1793 if ((sym->stroff + sym->strsize) > b->size)
1795 bfd_set_error (bfd_error_file_truncated);
1798 sym->strtab = (char *) b->buffer + sym->stroff;
1802 sym->strtab = bfd_alloc (abfd, sym->strsize);
1803 if (sym->strtab == NULL)
1806 if (bfd_seek (abfd, sym->stroff, SEEK_SET) != 0
1807 || bfd_bread ((void *) sym->strtab, sym->strsize, abfd) != sym->strsize)
1809 bfd_set_error (bfd_error_file_truncated);
1818 bfd_mach_o_read_symtab_symbols (bfd *abfd)
1820 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
1821 bfd_mach_o_symtab_command *sym = mdata->symtab;
1828 sym->symbols = bfd_alloc (abfd, sym->nsyms * sizeof (bfd_mach_o_asymbol));
1830 if (sym->symbols == NULL)
1832 fprintf (stderr, "bfd_mach_o_read_symtab_symbols: unable to allocate memory for symbols\n");
1836 ret = bfd_mach_o_read_symtab_strtab (abfd);
1840 for (i = 0; i < sym->nsyms; i++)
1842 ret = bfd_mach_o_read_symtab_symbol (abfd, sym, &sym->symbols[i], i);
1851 bfd_mach_o_read_dysymtab_symbol (bfd *abfd,
1852 bfd_mach_o_dysymtab_command *dysym,
1853 bfd_mach_o_symtab_command *sym,
1854 bfd_mach_o_asymbol *s,
1857 unsigned long isymoff = dysym->indirectsymoff + (i * 4);
1858 unsigned long sym_index;
1859 unsigned char buf[4];
1861 BFD_ASSERT (i < dysym->nindirectsyms);
1863 if (bfd_seek (abfd, isymoff, SEEK_SET) != 0
1864 || bfd_bread ((void *) buf, 4, abfd) != 4)
1866 fprintf (stderr, "bfd_mach_o_read_dysymtab_symbol: unable to read %lu bytes at %lu\n",
1867 (unsigned long) 4, isymoff);
1870 sym_index = bfd_h_get_32 (abfd, buf);
1872 return bfd_mach_o_read_symtab_symbol (abfd, sym, s, sym_index);
1876 bfd_mach_o_i386_flavour_string (unsigned int flavour)
1878 switch ((int) flavour)
1880 case BFD_MACH_O_x86_THREAD_STATE32: return "x86_THREAD_STATE32";
1881 case BFD_MACH_O_x86_FLOAT_STATE32: return "x86_FLOAT_STATE32";
1882 case BFD_MACH_O_x86_EXCEPTION_STATE32: return "x86_EXCEPTION_STATE32";
1883 case BFD_MACH_O_x86_THREAD_STATE64: return "x86_THREAD_STATE64";
1884 case BFD_MACH_O_x86_FLOAT_STATE64: return "x86_FLOAT_STATE64";
1885 case BFD_MACH_O_x86_EXCEPTION_STATE64: return "x86_EXCEPTION_STATE64";
1886 case BFD_MACH_O_x86_THREAD_STATE: return "x86_THREAD_STATE";
1887 case BFD_MACH_O_x86_FLOAT_STATE: return "x86_FLOAT_STATE";
1888 case BFD_MACH_O_x86_EXCEPTION_STATE: return "x86_EXCEPTION_STATE";
1889 case BFD_MACH_O_x86_DEBUG_STATE32: return "x86_DEBUG_STATE32";
1890 case BFD_MACH_O_x86_DEBUG_STATE64: return "x86_DEBUG_STATE64";
1891 case BFD_MACH_O_x86_DEBUG_STATE: return "x86_DEBUG_STATE";
1892 case BFD_MACH_O_x86_THREAD_STATE_NONE: return "x86_THREAD_STATE_NONE";
1893 default: return "UNKNOWN";
1898 bfd_mach_o_ppc_flavour_string (unsigned int flavour)
1900 switch ((int) flavour)
1902 case BFD_MACH_O_PPC_THREAD_STATE: return "PPC_THREAD_STATE";
1903 case BFD_MACH_O_PPC_FLOAT_STATE: return "PPC_FLOAT_STATE";
1904 case BFD_MACH_O_PPC_EXCEPTION_STATE: return "PPC_EXCEPTION_STATE";
1905 case BFD_MACH_O_PPC_VECTOR_STATE: return "PPC_VECTOR_STATE";
1906 case BFD_MACH_O_PPC_THREAD_STATE64: return "PPC_THREAD_STATE64";
1907 case BFD_MACH_O_PPC_EXCEPTION_STATE64: return "PPC_EXCEPTION_STATE64";
1908 default: return "UNKNOWN";
1913 bfd_mach_o_read_dylinker (bfd *abfd, bfd_mach_o_load_command *command)
1915 bfd_mach_o_dylinker_command *cmd = &command->command.dylinker;
1916 unsigned char buf[4];
1917 unsigned int nameoff;
1919 BFD_ASSERT ((command->type == BFD_MACH_O_LC_ID_DYLINKER)
1920 || (command->type == BFD_MACH_O_LC_LOAD_DYLINKER));
1922 if (bfd_seek (abfd, command->offset + 8, SEEK_SET) != 0
1923 || bfd_bread ((void *) buf, 4, abfd) != 4)
1926 nameoff = bfd_h_get_32 (abfd, buf + 0);
1928 cmd->name_offset = command->offset + nameoff;
1929 cmd->name_len = command->len - nameoff;
1930 cmd->name_str = bfd_alloc (abfd, cmd->name_len);
1931 if (cmd->name_str == NULL)
1933 if (bfd_seek (abfd, cmd->name_offset, SEEK_SET) != 0
1934 || bfd_bread (cmd->name_str, cmd->name_len, abfd) != cmd->name_len)
1940 bfd_mach_o_read_dylib (bfd *abfd, bfd_mach_o_load_command *command)
1942 bfd_mach_o_dylib_command *cmd = &command->command.dylib;
1943 unsigned char buf[16];
1944 unsigned int nameoff;
1946 switch (command->type)
1948 case BFD_MACH_O_LC_LOAD_DYLIB:
1949 case BFD_MACH_O_LC_LOAD_WEAK_DYLIB:
1950 case BFD_MACH_O_LC_ID_DYLIB:
1951 case BFD_MACH_O_LC_REEXPORT_DYLIB:
1958 if (bfd_seek (abfd, command->offset + 8, SEEK_SET) != 0
1959 || bfd_bread ((void *) buf, 16, abfd) != 16)
1962 nameoff = bfd_h_get_32 (abfd, buf + 0);
1963 cmd->timestamp = bfd_h_get_32 (abfd, buf + 4);
1964 cmd->current_version = bfd_h_get_32 (abfd, buf + 8);
1965 cmd->compatibility_version = bfd_h_get_32 (abfd, buf + 12);
1967 cmd->name_offset = command->offset + nameoff;
1968 cmd->name_len = command->len - nameoff;
1969 cmd->name_str = bfd_alloc (abfd, cmd->name_len);
1970 if (cmd->name_str == NULL)
1972 if (bfd_seek (abfd, cmd->name_offset, SEEK_SET) != 0
1973 || bfd_bread (cmd->name_str, cmd->name_len, abfd) != cmd->name_len)
1979 bfd_mach_o_read_prebound_dylib (bfd *abfd ATTRIBUTE_UNUSED,
1980 bfd_mach_o_load_command *command ATTRIBUTE_UNUSED)
1982 /* bfd_mach_o_prebound_dylib_command *cmd = &command->command.prebound_dylib; */
1984 BFD_ASSERT (command->type == BFD_MACH_O_LC_PREBOUND_DYLIB);
1989 bfd_mach_o_read_thread (bfd *abfd, bfd_mach_o_load_command *command)
1991 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
1992 bfd_mach_o_thread_command *cmd = &command->command.thread;
1993 unsigned char buf[8];
1994 unsigned int offset;
1995 unsigned int nflavours;
1998 BFD_ASSERT ((command->type == BFD_MACH_O_LC_THREAD)
1999 || (command->type == BFD_MACH_O_LC_UNIXTHREAD));
2001 /* Count the number of threads. */
2004 while (offset != command->len)
2006 if (offset >= command->len)
2009 if (bfd_seek (abfd, command->offset + offset, SEEK_SET) != 0
2010 || bfd_bread ((void *) buf, 8, abfd) != 8)
2013 offset += 8 + bfd_h_get_32 (abfd, buf + 4) * 4;
2017 /* Allocate threads. */
2018 cmd->flavours = bfd_alloc
2019 (abfd, nflavours * sizeof (bfd_mach_o_thread_flavour));
2020 if (cmd->flavours == NULL)
2022 cmd->nflavours = nflavours;
2026 while (offset != command->len)
2028 if (offset >= command->len)
2031 if (nflavours >= cmd->nflavours)
2034 if (bfd_seek (abfd, command->offset + offset, SEEK_SET) != 0
2035 || bfd_bread ((void *) buf, 8, abfd) != 8)
2038 cmd->flavours[nflavours].flavour = bfd_h_get_32 (abfd, buf);
2039 cmd->flavours[nflavours].offset = command->offset + offset + 8;
2040 cmd->flavours[nflavours].size = bfd_h_get_32 (abfd, buf + 4) * 4;
2041 offset += cmd->flavours[nflavours].size + 8;
2045 for (i = 0; i < nflavours; i++)
2048 unsigned int snamelen;
2050 const char *flavourstr;
2051 const char *prefix = "LC_THREAD";
2054 switch (mdata->header.cputype)
2056 case BFD_MACH_O_CPU_TYPE_POWERPC:
2057 case BFD_MACH_O_CPU_TYPE_POWERPC_64:
2058 flavourstr = bfd_mach_o_ppc_flavour_string (cmd->flavours[i].flavour);
2060 case BFD_MACH_O_CPU_TYPE_I386:
2061 case BFD_MACH_O_CPU_TYPE_X86_64:
2062 flavourstr = bfd_mach_o_i386_flavour_string (cmd->flavours[i].flavour);
2065 flavourstr = "UNKNOWN_ARCHITECTURE";
2069 snamelen = strlen (prefix) + 1 + 20 + 1 + strlen (flavourstr) + 1;
2070 sname = bfd_alloc (abfd, snamelen);
2076 sprintf (sname, "%s.%s.%u", prefix, flavourstr, j);
2077 if (bfd_get_section_by_name (abfd, sname) == NULL)
2082 bfdsec = bfd_make_section_with_flags (abfd, sname, SEC_HAS_CONTENTS);
2086 bfdsec->size = cmd->flavours[i].size;
2087 bfdsec->filepos = cmd->flavours[i].offset;
2088 bfdsec->alignment_power = 0x0;
2090 cmd->section = bfdsec;
2097 bfd_mach_o_read_dysymtab (bfd *abfd, bfd_mach_o_load_command *command)
2099 bfd_mach_o_dysymtab_command *cmd = &command->command.dysymtab;
2100 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
2101 unsigned char buf[72];
2103 BFD_ASSERT (command->type == BFD_MACH_O_LC_DYSYMTAB);
2105 if (bfd_seek (abfd, command->offset + 8, SEEK_SET) != 0
2106 || bfd_bread ((void *) buf, 72, abfd) != 72)
2109 cmd->ilocalsym = bfd_h_get_32 (abfd, buf + 0);
2110 cmd->nlocalsym = bfd_h_get_32 (abfd, buf + 4);
2111 cmd->iextdefsym = bfd_h_get_32 (abfd, buf + 8);
2112 cmd->nextdefsym = bfd_h_get_32 (abfd, buf + 12);
2113 cmd->iundefsym = bfd_h_get_32 (abfd, buf + 16);
2114 cmd->nundefsym = bfd_h_get_32 (abfd, buf + 20);
2115 cmd->tocoff = bfd_h_get_32 (abfd, buf + 24);
2116 cmd->ntoc = bfd_h_get_32 (abfd, buf + 28);
2117 cmd->modtaboff = bfd_h_get_32 (abfd, buf + 32);
2118 cmd->nmodtab = bfd_h_get_32 (abfd, buf + 36);
2119 cmd->extrefsymoff = bfd_h_get_32 (abfd, buf + 40);
2120 cmd->nextrefsyms = bfd_h_get_32 (abfd, buf + 44);
2121 cmd->indirectsymoff = bfd_h_get_32 (abfd, buf + 48);
2122 cmd->nindirectsyms = bfd_h_get_32 (abfd, buf + 52);
2123 cmd->extreloff = bfd_h_get_32 (abfd, buf + 56);
2124 cmd->nextrel = bfd_h_get_32 (abfd, buf + 60);
2125 cmd->locreloff = bfd_h_get_32 (abfd, buf + 64);
2126 cmd->nlocrel = bfd_h_get_32 (abfd, buf + 68);
2128 if (cmd->nmodtab != 0)
2131 int wide = bfd_mach_o_wide_p (abfd);
2132 unsigned int module_len = wide ? 56 : 52;
2135 bfd_alloc (abfd, cmd->nmodtab * sizeof (bfd_mach_o_dylib_module));
2136 if (cmd->dylib_module == NULL)
2139 if (bfd_seek (abfd, cmd->modtaboff, SEEK_SET) != 0)
2142 for (i = 0; i < cmd->nmodtab; i++)
2144 bfd_mach_o_dylib_module *module = &cmd->dylib_module[i];
2147 if (bfd_bread ((void *) buf, module_len, abfd) != module_len)
2150 module->module_name_idx = bfd_h_get_32 (abfd, buf + 0);
2151 module->iextdefsym = bfd_h_get_32 (abfd, buf + 4);
2152 module->nextdefsym = bfd_h_get_32 (abfd, buf + 8);
2153 module->irefsym = bfd_h_get_32 (abfd, buf + 12);
2154 module->nrefsym = bfd_h_get_32 (abfd, buf + 16);
2155 module->ilocalsym = bfd_h_get_32 (abfd, buf + 20);
2156 module->nlocalsym = bfd_h_get_32 (abfd, buf + 24);
2157 module->iextrel = bfd_h_get_32 (abfd, buf + 28);
2158 module->nextrel = bfd_h_get_32 (abfd, buf + 32);
2159 v = bfd_h_get_32 (abfd, buf +36);
2160 module->iinit = v & 0xffff;
2161 module->iterm = (v >> 16) & 0xffff;
2162 v = bfd_h_get_32 (abfd, buf + 40);
2163 module->ninit = v & 0xffff;
2164 module->nterm = (v >> 16) & 0xffff;
2167 module->objc_module_info_size = bfd_h_get_32 (abfd, buf + 44);
2168 module->objc_module_info_addr = bfd_h_get_64 (abfd, buf + 48);
2172 module->objc_module_info_addr = bfd_h_get_32 (abfd, buf + 44);
2173 module->objc_module_info_size = bfd_h_get_32 (abfd, buf + 48);
2182 cmd->dylib_toc = bfd_alloc
2183 (abfd, cmd->ntoc * sizeof (bfd_mach_o_dylib_table_of_content));
2184 if (cmd->dylib_toc == NULL)
2187 if (bfd_seek (abfd, cmd->tocoff, SEEK_SET) != 0)
2190 for (i = 0; i < cmd->ntoc; i++)
2192 bfd_mach_o_dylib_table_of_content *toc = &cmd->dylib_toc[i];
2194 if (bfd_bread ((void *) buf, 8, abfd) != 8)
2197 toc->symbol_index = bfd_h_get_32 (abfd, buf + 0);
2198 toc->module_index = bfd_h_get_32 (abfd, buf + 4);
2202 if (cmd->nindirectsyms != 0)
2206 cmd->indirect_syms = bfd_alloc
2207 (abfd, cmd->nindirectsyms * sizeof (unsigned int));
2208 if (cmd->indirect_syms == NULL)
2211 if (bfd_seek (abfd, cmd->indirectsymoff, SEEK_SET) != 0)
2214 for (i = 0; i < cmd->nindirectsyms; i++)
2216 unsigned int *is = &cmd->indirect_syms[i];
2218 if (bfd_bread ((void *) buf, 4, abfd) != 4)
2221 *is = bfd_h_get_32 (abfd, buf + 0);
2225 if (cmd->nextrefsyms != 0)
2230 cmd->ext_refs = bfd_alloc
2231 (abfd, cmd->nextrefsyms * sizeof (bfd_mach_o_dylib_reference));
2232 if (cmd->ext_refs == NULL)
2235 if (bfd_seek (abfd, cmd->extrefsymoff, SEEK_SET) != 0)
2238 for (i = 0; i < cmd->nextrefsyms; i++)
2240 bfd_mach_o_dylib_reference *ref = &cmd->ext_refs[i];
2242 if (bfd_bread ((void *) buf, 4, abfd) != 4)
2245 /* Fields isym and flags are written as bit-fields, thus we need
2246 a specific processing for endianness. */
2247 v = bfd_h_get_32 (abfd, buf + 0);
2248 if (bfd_big_endian (abfd))
2250 ref->isym = (v >> 8) & 0xffffff;
2251 ref->flags = v & 0xff;
2255 ref->isym = v & 0xffffff;
2256 ref->flags = (v >> 24) & 0xff;
2261 if (mdata->dysymtab)
2263 mdata->dysymtab = cmd;
2269 bfd_mach_o_read_symtab (bfd *abfd, bfd_mach_o_load_command *command)
2271 bfd_mach_o_symtab_command *symtab = &command->command.symtab;
2272 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
2273 unsigned char buf[16];
2275 BFD_ASSERT (command->type == BFD_MACH_O_LC_SYMTAB);
2277 if (bfd_seek (abfd, command->offset + 8, SEEK_SET) != 0
2278 || bfd_bread ((void *) buf, 16, abfd) != 16)
2281 symtab->symoff = bfd_h_get_32 (abfd, buf);
2282 symtab->nsyms = bfd_h_get_32 (abfd, buf + 4);
2283 symtab->stroff = bfd_h_get_32 (abfd, buf + 8);
2284 symtab->strsize = bfd_h_get_32 (abfd, buf + 12);
2285 symtab->symbols = NULL;
2286 symtab->strtab = NULL;
2288 if (symtab->nsyms != 0)
2289 abfd->flags |= HAS_SYMS;
2293 mdata->symtab = symtab;
2298 bfd_mach_o_read_uuid (bfd *abfd, bfd_mach_o_load_command *command)
2300 bfd_mach_o_uuid_command *cmd = &command->command.uuid;
2303 static const char prefix[] = "LC_UUID";
2305 BFD_ASSERT (command->type == BFD_MACH_O_LC_UUID);
2307 if (bfd_seek (abfd, command->offset + 8, SEEK_SET) != 0
2308 || bfd_bread ((void *) cmd->uuid, 16, abfd) != 16)
2311 sname = bfd_alloc (abfd, strlen (prefix) + 1);
2314 strcpy (sname, prefix);
2316 bfdsec = bfd_make_section_anyway_with_flags (abfd, sname, SEC_HAS_CONTENTS);
2322 bfdsec->size = command->len - 8;
2323 bfdsec->filepos = command->offset + 8;
2324 bfdsec->alignment_power = 0;
2326 cmd->section = bfdsec;
2332 bfd_mach_o_read_linkedit (bfd *abfd, bfd_mach_o_load_command *command)
2334 bfd_mach_o_linkedit_command *cmd = &command->command.linkedit;
2337 if (bfd_seek (abfd, command->offset + 8, SEEK_SET) != 0
2338 || bfd_bread ((void *) buf, 8, abfd) != 8)
2341 cmd->dataoff = bfd_get_32 (abfd, buf + 0);
2342 cmd->datasize = bfd_get_32 (abfd, buf + 4);
2347 bfd_mach_o_read_str (bfd *abfd, bfd_mach_o_load_command *command)
2349 bfd_mach_o_str_command *cmd = &command->command.str;
2353 if (bfd_seek (abfd, command->offset + 8, SEEK_SET) != 0
2354 || bfd_bread ((void *) buf, 4, abfd) != 4)
2357 off = bfd_get_32 (abfd, buf + 0);
2358 cmd->stroff = command->offset + off;
2359 cmd->str_len = command->len - off;
2360 cmd->str = bfd_alloc (abfd, cmd->str_len);
2361 if (cmd->str == NULL)
2363 if (bfd_seek (abfd, cmd->stroff, SEEK_SET) != 0
2364 || bfd_bread ((void *) cmd->str, cmd->str_len, abfd) != cmd->str_len)
2370 bfd_mach_o_read_dyld_info (bfd *abfd, bfd_mach_o_load_command *command)
2372 bfd_mach_o_dyld_info_command *cmd = &command->command.dyld_info;
2375 if (bfd_seek (abfd, command->offset + 8, SEEK_SET) != 0
2376 || bfd_bread ((void *) buf, sizeof (buf), abfd) != sizeof (buf))
2379 cmd->rebase_off = bfd_get_32 (abfd, buf + 0);
2380 cmd->rebase_size = bfd_get_32 (abfd, buf + 4);
2381 cmd->bind_off = bfd_get_32 (abfd, buf + 8);
2382 cmd->bind_size = bfd_get_32 (abfd, buf + 12);
2383 cmd->weak_bind_off = bfd_get_32 (abfd, buf + 16);
2384 cmd->weak_bind_size = bfd_get_32 (abfd, buf + 20);
2385 cmd->lazy_bind_off = bfd_get_32 (abfd, buf + 24);
2386 cmd->lazy_bind_size = bfd_get_32 (abfd, buf + 28);
2387 cmd->export_off = bfd_get_32 (abfd, buf + 32);
2388 cmd->export_size = bfd_get_32 (abfd, buf + 36);
2393 bfd_mach_o_read_segment (bfd *abfd,
2394 bfd_mach_o_load_command *command,
2397 unsigned char buf[64];
2398 bfd_mach_o_segment_command *seg = &command->command.segment;
2403 BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT_64);
2405 if (bfd_seek (abfd, command->offset + 8, SEEK_SET) != 0
2406 || bfd_bread ((void *) buf, 64, abfd) != 64)
2409 memcpy (seg->segname, buf, 16);
2410 seg->segname[16] = '\0';
2412 seg->vmaddr = bfd_h_get_64 (abfd, buf + 16);
2413 seg->vmsize = bfd_h_get_64 (abfd, buf + 24);
2414 seg->fileoff = bfd_h_get_64 (abfd, buf + 32);
2415 seg->filesize = bfd_h_get_64 (abfd, buf + 40);
2416 seg->maxprot = bfd_h_get_32 (abfd, buf + 48);
2417 seg->initprot = bfd_h_get_32 (abfd, buf + 52);
2418 seg->nsects = bfd_h_get_32 (abfd, buf + 56);
2419 seg->flags = bfd_h_get_32 (abfd, buf + 60);
2423 BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT);
2425 if (bfd_seek (abfd, command->offset + 8, SEEK_SET) != 0
2426 || bfd_bread ((void *) buf, 48, abfd) != 48)
2429 memcpy (seg->segname, buf, 16);
2430 seg->segname[16] = '\0';
2432 seg->vmaddr = bfd_h_get_32 (abfd, buf + 16);
2433 seg->vmsize = bfd_h_get_32 (abfd, buf + 20);
2434 seg->fileoff = bfd_h_get_32 (abfd, buf + 24);
2435 seg->filesize = bfd_h_get_32 (abfd, buf + 28);
2436 seg->maxprot = bfd_h_get_32 (abfd, buf + 32);
2437 seg->initprot = bfd_h_get_32 (abfd, buf + 36);
2438 seg->nsects = bfd_h_get_32 (abfd, buf + 40);
2439 seg->flags = bfd_h_get_32 (abfd, buf + 44);
2442 if (seg->nsects != 0)
2444 seg->sections = bfd_alloc (abfd, seg->nsects
2445 * sizeof (bfd_mach_o_section));
2446 if (seg->sections == NULL)
2449 for (i = 0; i < seg->nsects; i++)
2453 segoff = command->offset + BFD_MACH_O_LC_SEGMENT_64_SIZE
2454 + (i * BFD_MACH_O_SECTION_64_SIZE);
2456 segoff = command->offset + BFD_MACH_O_LC_SEGMENT_SIZE
2457 + (i * BFD_MACH_O_SECTION_SIZE);
2459 if (bfd_mach_o_read_section
2460 (abfd, &seg->sections[i], segoff, seg->initprot, wide) != 0)
2469 bfd_mach_o_read_segment_32 (bfd *abfd, bfd_mach_o_load_command *command)
2471 return bfd_mach_o_read_segment (abfd, command, 0);
2475 bfd_mach_o_read_segment_64 (bfd *abfd, bfd_mach_o_load_command *command)
2477 return bfd_mach_o_read_segment (abfd, command, 1);
2481 bfd_mach_o_read_command (bfd *abfd, bfd_mach_o_load_command *command)
2483 unsigned char buf[8];
2485 /* Read command type and length. */
2486 if (bfd_seek (abfd, command->offset, SEEK_SET) != 0
2487 || bfd_bread ((void *) buf, 8, abfd) != 8)
2490 command->type = bfd_h_get_32 (abfd, buf) & ~BFD_MACH_O_LC_REQ_DYLD;
2491 command->type_required = (bfd_h_get_32 (abfd, buf) & BFD_MACH_O_LC_REQ_DYLD
2493 command->len = bfd_h_get_32 (abfd, buf + 4);
2495 switch (command->type)
2497 case BFD_MACH_O_LC_SEGMENT:
2498 if (bfd_mach_o_read_segment_32 (abfd, command) != 0)
2501 case BFD_MACH_O_LC_SEGMENT_64:
2502 if (bfd_mach_o_read_segment_64 (abfd, command) != 0)
2505 case BFD_MACH_O_LC_SYMTAB:
2506 if (bfd_mach_o_read_symtab (abfd, command) != 0)
2509 case BFD_MACH_O_LC_SYMSEG:
2511 case BFD_MACH_O_LC_THREAD:
2512 case BFD_MACH_O_LC_UNIXTHREAD:
2513 if (bfd_mach_o_read_thread (abfd, command) != 0)
2516 case BFD_MACH_O_LC_LOAD_DYLINKER:
2517 case BFD_MACH_O_LC_ID_DYLINKER:
2518 if (bfd_mach_o_read_dylinker (abfd, command) != 0)
2521 case BFD_MACH_O_LC_LOAD_DYLIB:
2522 case BFD_MACH_O_LC_ID_DYLIB:
2523 case BFD_MACH_O_LC_LOAD_WEAK_DYLIB:
2524 case BFD_MACH_O_LC_REEXPORT_DYLIB:
2525 if (bfd_mach_o_read_dylib (abfd, command) != 0)
2528 case BFD_MACH_O_LC_PREBOUND_DYLIB:
2529 if (bfd_mach_o_read_prebound_dylib (abfd, command) != 0)
2532 case BFD_MACH_O_LC_LOADFVMLIB:
2533 case BFD_MACH_O_LC_IDFVMLIB:
2534 case BFD_MACH_O_LC_IDENT:
2535 case BFD_MACH_O_LC_FVMFILE:
2536 case BFD_MACH_O_LC_PREPAGE:
2537 case BFD_MACH_O_LC_ROUTINES:
2539 case BFD_MACH_O_LC_SUB_FRAMEWORK:
2540 case BFD_MACH_O_LC_SUB_UMBRELLA:
2541 case BFD_MACH_O_LC_SUB_LIBRARY:
2542 case BFD_MACH_O_LC_SUB_CLIENT:
2543 case BFD_MACH_O_LC_RPATH:
2544 if (bfd_mach_o_read_str (abfd, command) != 0)
2547 case BFD_MACH_O_LC_DYSYMTAB:
2548 if (bfd_mach_o_read_dysymtab (abfd, command) != 0)
2551 case BFD_MACH_O_LC_TWOLEVEL_HINTS:
2552 case BFD_MACH_O_LC_PREBIND_CKSUM:
2554 case BFD_MACH_O_LC_UUID:
2555 if (bfd_mach_o_read_uuid (abfd, command) != 0)
2558 case BFD_MACH_O_LC_CODE_SIGNATURE:
2559 case BFD_MACH_O_LC_SEGMENT_SPLIT_INFO:
2560 if (bfd_mach_o_read_linkedit (abfd, command) != 0)
2563 case BFD_MACH_O_LC_DYLD_INFO:
2564 if (bfd_mach_o_read_dyld_info (abfd, command) != 0)
2568 fprintf (stderr, "unable to read unknown load command 0x%lx\n",
2569 (unsigned long) command->type);
2577 bfd_mach_o_flatten_sections (bfd *abfd)
2579 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
2583 /* Count total number of sections. */
2586 for (i = 0; i < mdata->header.ncmds; i++)
2588 if (mdata->commands[i].type == BFD_MACH_O_LC_SEGMENT
2589 || mdata->commands[i].type == BFD_MACH_O_LC_SEGMENT_64)
2591 bfd_mach_o_segment_command *seg;
2593 seg = &mdata->commands[i].command.segment;
2594 mdata->nsects += seg->nsects;
2598 /* Allocate sections array. */
2599 mdata->sections = bfd_alloc (abfd,
2600 mdata->nsects * sizeof (bfd_mach_o_section *));
2602 /* Fill the array. */
2605 for (i = 0; i < mdata->header.ncmds; i++)
2607 if (mdata->commands[i].type == BFD_MACH_O_LC_SEGMENT
2608 || mdata->commands[i].type == BFD_MACH_O_LC_SEGMENT_64)
2610 bfd_mach_o_segment_command *seg;
2612 seg = &mdata->commands[i].command.segment;
2613 BFD_ASSERT (csect + seg->nsects <= mdata->nsects);
2615 for (j = 0; j < seg->nsects; j++)
2616 mdata->sections[csect++] = &seg->sections[j];
2622 bfd_mach_o_scan_start_address (bfd *abfd)
2624 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
2625 bfd_mach_o_thread_command *cmd = NULL;
2628 for (i = 0; i < mdata->header.ncmds; i++)
2630 if ((mdata->commands[i].type == BFD_MACH_O_LC_THREAD) ||
2631 (mdata->commands[i].type == BFD_MACH_O_LC_UNIXTHREAD))
2634 cmd = &mdata->commands[i].command.thread;
2643 for (i = 0; i < cmd->nflavours; i++)
2645 if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_I386)
2646 && (cmd->flavours[i].flavour
2647 == (unsigned long) BFD_MACH_O_x86_THREAD_STATE32))
2649 unsigned char buf[4];
2651 if (bfd_seek (abfd, cmd->flavours[i].offset + 40, SEEK_SET) != 0
2652 || bfd_bread (buf, 4, abfd) != 4)
2655 abfd->start_address = bfd_h_get_32 (abfd, buf);
2657 else if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_POWERPC)
2658 && (cmd->flavours[i].flavour == BFD_MACH_O_PPC_THREAD_STATE))
2660 unsigned char buf[4];
2662 if (bfd_seek (abfd, cmd->flavours[i].offset + 0, SEEK_SET) != 0
2663 || bfd_bread (buf, 4, abfd) != 4)
2666 abfd->start_address = bfd_h_get_32 (abfd, buf);
2668 else if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_POWERPC_64)
2669 && (cmd->flavours[i].flavour == BFD_MACH_O_PPC_THREAD_STATE64))
2671 unsigned char buf[8];
2673 if (bfd_seek (abfd, cmd->flavours[i].offset + 0, SEEK_SET) != 0
2674 || bfd_bread (buf, 8, abfd) != 8)
2677 abfd->start_address = bfd_h_get_64 (abfd, buf);
2679 else if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_X86_64)
2680 && (cmd->flavours[i].flavour == BFD_MACH_O_x86_THREAD_STATE64))
2682 unsigned char buf[8];
2684 if (bfd_seek (abfd, cmd->flavours[i].offset + (16 * 8), SEEK_SET) != 0
2685 || bfd_bread (buf, 8, abfd) != 8)
2688 abfd->start_address = bfd_h_get_64 (abfd, buf);
2696 bfd_mach_o_scan (bfd *abfd,
2697 bfd_mach_o_header *header,
2698 bfd_mach_o_data_struct *mdata)
2701 enum bfd_architecture cputype;
2702 unsigned long cpusubtype;
2703 unsigned int hdrsize;
2705 hdrsize = mach_o_wide_p (header) ?
2706 BFD_MACH_O_HEADER_64_SIZE : BFD_MACH_O_HEADER_SIZE;
2708 mdata->header = *header;
2710 abfd->flags = abfd->flags & BFD_IN_MEMORY;
2711 switch (header->filetype)
2713 case BFD_MACH_O_MH_OBJECT:
2714 abfd->flags |= HAS_RELOC;
2716 case BFD_MACH_O_MH_EXECUTE:
2717 abfd->flags |= EXEC_P;
2719 case BFD_MACH_O_MH_DYLIB:
2720 case BFD_MACH_O_MH_BUNDLE:
2721 abfd->flags |= DYNAMIC;
2725 abfd->tdata.mach_o_data = mdata;
2727 bfd_mach_o_convert_architecture (header->cputype, header->cpusubtype,
2728 &cputype, &cpusubtype);
2729 if (cputype == bfd_arch_unknown)
2731 fprintf (stderr, "bfd_mach_o_scan: unknown architecture 0x%lx/0x%lx\n",
2732 header->cputype, header->cpusubtype);
2736 bfd_set_arch_mach (abfd, cputype, cpusubtype);
2738 if (header->ncmds != 0)
2740 mdata->commands = bfd_alloc
2741 (abfd, header->ncmds * sizeof (bfd_mach_o_load_command));
2742 if (mdata->commands == NULL)
2745 for (i = 0; i < header->ncmds; i++)
2747 bfd_mach_o_load_command *cur = &mdata->commands[i];
2750 cur->offset = hdrsize;
2753 bfd_mach_o_load_command *prev = &mdata->commands[i - 1];
2754 cur->offset = prev->offset + prev->len;
2757 if (bfd_mach_o_read_command (abfd, cur) < 0)
2762 if (bfd_mach_o_scan_start_address (abfd) < 0)
2765 bfd_mach_o_flatten_sections (abfd);
2770 bfd_mach_o_mkobject_init (bfd *abfd)
2772 bfd_mach_o_data_struct *mdata = NULL;
2774 mdata = bfd_alloc (abfd, sizeof (bfd_mach_o_data_struct));
2777 abfd->tdata.mach_o_data = mdata;
2779 mdata->header.magic = 0;
2780 mdata->header.cputype = 0;
2781 mdata->header.cpusubtype = 0;
2782 mdata->header.filetype = 0;
2783 mdata->header.ncmds = 0;
2784 mdata->header.sizeofcmds = 0;
2785 mdata->header.flags = 0;
2786 mdata->header.byteorder = BFD_ENDIAN_UNKNOWN;
2787 mdata->commands = NULL;
2789 mdata->sections = NULL;
2795 bfd_mach_o_header_p (bfd *abfd,
2796 bfd_mach_o_filetype filetype,
2797 bfd_mach_o_cpu_type cputype)
2799 struct bfd_preserve preserve;
2800 bfd_mach_o_header header;
2802 preserve.marker = NULL;
2803 if (!bfd_mach_o_read_header (abfd, &header))
2806 if (! (header.byteorder == BFD_ENDIAN_BIG
2807 || header.byteorder == BFD_ENDIAN_LITTLE))
2809 fprintf (stderr, "unknown header byte-order value 0x%lx\n",
2810 (unsigned long) header.byteorder);
2814 if (! ((header.byteorder == BFD_ENDIAN_BIG
2815 && abfd->xvec->byteorder == BFD_ENDIAN_BIG
2816 && abfd->xvec->header_byteorder == BFD_ENDIAN_BIG)
2817 || (header.byteorder == BFD_ENDIAN_LITTLE
2818 && abfd->xvec->byteorder == BFD_ENDIAN_LITTLE
2819 && abfd->xvec->header_byteorder == BFD_ENDIAN_LITTLE)))
2822 /* Check cputype and filetype.
2823 In case of wildcard, do not accept magics that are handled by existing
2827 if (header.cputype != cputype)
2832 switch (header.cputype)
2834 case BFD_MACH_O_CPU_TYPE_I386:
2835 /* Handled by mach-o-i386 */
2843 if (header.filetype != filetype)
2848 switch (header.filetype)
2850 case BFD_MACH_O_MH_CORE:
2851 /* Handled by core_p */
2858 preserve.marker = bfd_zalloc (abfd, sizeof (bfd_mach_o_data_struct));
2859 if (preserve.marker == NULL
2860 || !bfd_preserve_save (abfd, &preserve))
2863 if (bfd_mach_o_scan (abfd, &header,
2864 (bfd_mach_o_data_struct *) preserve.marker) != 0)
2867 bfd_preserve_finish (abfd, &preserve);
2871 bfd_set_error (bfd_error_wrong_format);
2874 if (preserve.marker != NULL)
2875 bfd_preserve_restore (abfd, &preserve);
2879 static const bfd_target *
2880 bfd_mach_o_gen_object_p (bfd *abfd)
2882 return bfd_mach_o_header_p (abfd, 0, 0);
2885 static const bfd_target *
2886 bfd_mach_o_gen_core_p (bfd *abfd)
2888 return bfd_mach_o_header_p (abfd, BFD_MACH_O_MH_CORE, 0);
2891 typedef struct mach_o_fat_archentry
2893 unsigned long cputype;
2894 unsigned long cpusubtype;
2895 unsigned long offset;
2897 unsigned long align;
2898 } mach_o_fat_archentry;
2900 typedef struct mach_o_fat_data_struct
2902 unsigned long magic;
2903 unsigned long nfat_arch;
2904 mach_o_fat_archentry *archentries;
2905 } mach_o_fat_data_struct;
2908 bfd_mach_o_archive_p (bfd *abfd)
2910 mach_o_fat_data_struct *adata = NULL;
2911 unsigned char buf[20];
2914 if (bfd_seek (abfd, 0, SEEK_SET) != 0
2915 || bfd_bread ((void *) buf, 8, abfd) != 8)
2918 adata = bfd_alloc (abfd, sizeof (mach_o_fat_data_struct));
2922 adata->magic = bfd_getb32 (buf);
2923 adata->nfat_arch = bfd_getb32 (buf + 4);
2924 if (adata->magic != 0xcafebabe)
2926 /* Avoid matching Java bytecode files, which have the same magic number.
2927 In the Java bytecode file format this field contains the JVM version,
2928 which starts at 43.0. */
2929 if (adata->nfat_arch > 30)
2932 adata->archentries =
2933 bfd_alloc (abfd, adata->nfat_arch * sizeof (mach_o_fat_archentry));
2934 if (adata->archentries == NULL)
2937 for (i = 0; i < adata->nfat_arch; i++)
2939 if (bfd_seek (abfd, 8 + 20 * i, SEEK_SET) != 0
2940 || bfd_bread ((void *) buf, 20, abfd) != 20)
2942 adata->archentries[i].cputype = bfd_getb32 (buf);
2943 adata->archentries[i].cpusubtype = bfd_getb32 (buf + 4);
2944 adata->archentries[i].offset = bfd_getb32 (buf + 8);
2945 adata->archentries[i].size = bfd_getb32 (buf + 12);
2946 adata->archentries[i].align = bfd_getb32 (buf + 16);
2949 abfd->tdata.mach_o_fat_data = adata;
2954 bfd_release (abfd, adata);
2955 bfd_set_error (bfd_error_wrong_format);
2960 bfd_mach_o_openr_next_archived_file (bfd *archive, bfd *prev)
2962 mach_o_fat_data_struct *adata;
2963 mach_o_fat_archentry *entry = NULL;
2966 enum bfd_architecture arch_type;
2967 unsigned long arch_subtype;
2969 adata = (mach_o_fat_data_struct *) archive->tdata.mach_o_fat_data;
2970 BFD_ASSERT (adata != NULL);
2972 /* Find index of previous entry. */
2974 i = 0; /* Start at first one. */
2977 for (i = 0; i < adata->nfat_arch; i++)
2979 if (adata->archentries[i].offset == prev->origin)
2983 if (i == adata->nfat_arch)
2986 bfd_set_error (bfd_error_bad_value);
2989 i++; /* Get next entry. */
2992 if (i >= adata->nfat_arch)
2994 bfd_set_error (bfd_error_no_more_archived_files);
2998 entry = &adata->archentries[i];
2999 nbfd = _bfd_new_bfd_contained_in (archive);
3003 nbfd->origin = entry->offset;
3005 bfd_mach_o_convert_architecture (entry->cputype, entry->cpusubtype,
3006 &arch_type, &arch_subtype);
3007 /* Create the member filename.
3008 Use FILENAME:ARCH_NAME. */
3011 const char *arch_name;
3012 size_t arch_file_len = strlen (bfd_get_filename (archive));
3014 arch_name = bfd_printable_arch_mach (arch_type, arch_subtype);
3015 s = bfd_malloc (arch_file_len + 1 + strlen (arch_name) + 1);
3018 memcpy (s, bfd_get_filename (archive), arch_file_len);
3019 s[arch_file_len] = ':';
3020 strcpy (s + arch_file_len + 1, arch_name);
3023 nbfd->iostream = NULL;
3024 bfd_set_arch_mach (nbfd, arch_type, arch_subtype);
3029 /* If ABFD format is FORMAT and architecture is ARCH, return it.
3030 If ABFD is a fat image containing a member that corresponds to FORMAT
3031 and ARCH, returns it.
3032 In other case, returns NULL.
3033 This function allows transparent uses of fat images. */
3035 bfd_mach_o_fat_extract (bfd *abfd,
3037 const bfd_arch_info_type *arch)
3040 mach_o_fat_data_struct *adata;
3043 if (bfd_check_format (abfd, format))
3045 if (bfd_get_arch_info (abfd) == arch)
3049 if (!bfd_check_format (abfd, bfd_archive)
3050 || abfd->xvec != &mach_o_fat_vec)
3053 /* This is a Mach-O fat image. */
3054 adata = (mach_o_fat_data_struct *) abfd->tdata.mach_o_fat_data;
3055 BFD_ASSERT (adata != NULL);
3057 for (i = 0; i < adata->nfat_arch; i++)
3059 struct mach_o_fat_archentry *e = &adata->archentries[i];
3060 enum bfd_architecture cpu_type;
3061 unsigned long cpu_subtype;
3063 bfd_mach_o_convert_architecture (e->cputype, e->cpusubtype,
3064 &cpu_type, &cpu_subtype);
3065 if (cpu_type != arch->arch || cpu_subtype != arch->mach)
3068 /* The architecture is found. */
3069 res = _bfd_new_bfd_contained_in (abfd);
3073 res->origin = e->offset;
3075 res->filename = strdup (abfd->filename);
3076 res->iostream = NULL;
3078 if (bfd_check_format (res, format))
3080 BFD_ASSERT (bfd_get_arch_info (res) == arch);
3091 bfd_mach_o_lookup_section (bfd *abfd,
3093 bfd_mach_o_load_command **mcommand,
3094 bfd_mach_o_section **msection)
3096 struct mach_o_data_struct *md = bfd_mach_o_get_data (abfd);
3097 unsigned int i, j, num;
3099 bfd_mach_o_load_command *ncmd = NULL;
3100 bfd_mach_o_section *nsect = NULL;
3102 BFD_ASSERT (mcommand != NULL);
3103 BFD_ASSERT (msection != NULL);
3106 for (i = 0; i < md->header.ncmds; i++)
3108 struct bfd_mach_o_load_command *cmd = &md->commands[i];
3109 struct bfd_mach_o_segment_command *seg = NULL;
3111 if (cmd->type != BFD_MACH_O_LC_SEGMENT
3112 || cmd->type != BFD_MACH_O_LC_SEGMENT_64)
3114 seg = &cmd->command.segment;
3116 for (j = 0; j < seg->nsects; j++)
3118 struct bfd_mach_o_section *sect = &seg->sections[j];
3120 if (sect->bfdsection == section)
3138 bfd_mach_o_lookup_command (bfd *abfd,
3139 bfd_mach_o_load_command_type type,
3140 bfd_mach_o_load_command **mcommand)
3142 struct mach_o_data_struct *md = bfd_mach_o_get_data (abfd);
3143 bfd_mach_o_load_command *ncmd = NULL;
3144 unsigned int i, num;
3146 BFD_ASSERT (md != NULL);
3147 BFD_ASSERT (mcommand != NULL);
3150 for (i = 0; i < md->header.ncmds; i++)
3152 struct bfd_mach_o_load_command *cmd = &md->commands[i];
3154 if (cmd->type != type)
3167 bfd_mach_o_stack_addr (enum bfd_mach_o_cpu_type type)
3171 case BFD_MACH_O_CPU_TYPE_MC680x0:
3173 case BFD_MACH_O_CPU_TYPE_MC88000:
3175 case BFD_MACH_O_CPU_TYPE_POWERPC:
3177 case BFD_MACH_O_CPU_TYPE_I386:
3179 case BFD_MACH_O_CPU_TYPE_SPARC:
3181 case BFD_MACH_O_CPU_TYPE_I860:
3183 case BFD_MACH_O_CPU_TYPE_HPPA:
3184 return 0xc0000000 - 0x04000000;
3190 typedef struct bfd_mach_o_xlat_name
3195 bfd_mach_o_xlat_name;
3198 bfd_mach_o_print_flags (const bfd_mach_o_xlat_name *table,
3204 for (; table->name; table++)
3206 if (table->val & val)
3209 fprintf (file, "+");
3210 fprintf (file, "%s", table->name);
3218 fprintf (file, "+");
3219 fprintf (file, "0x%lx", val);
3223 fprintf (file, "-");
3227 bfd_mach_o_get_name (const bfd_mach_o_xlat_name *table, unsigned long val)
3229 for (; table->name; table++)
3230 if (table->val == val)
3235 static bfd_mach_o_xlat_name bfd_mach_o_cpu_name[] =
3237 { "vax", BFD_MACH_O_CPU_TYPE_VAX },
3238 { "mc680x0", BFD_MACH_O_CPU_TYPE_MC680x0 },
3239 { "i386", BFD_MACH_O_CPU_TYPE_I386 },
3240 { "mips", BFD_MACH_O_CPU_TYPE_MIPS },
3241 { "mc98000", BFD_MACH_O_CPU_TYPE_MC98000 },
3242 { "hppa", BFD_MACH_O_CPU_TYPE_HPPA },
3243 { "arm", BFD_MACH_O_CPU_TYPE_ARM },
3244 { "mc88000", BFD_MACH_O_CPU_TYPE_MC88000 },
3245 { "sparc", BFD_MACH_O_CPU_TYPE_SPARC },
3246 { "i860", BFD_MACH_O_CPU_TYPE_I860 },
3247 { "alpha", BFD_MACH_O_CPU_TYPE_ALPHA },
3248 { "powerpc", BFD_MACH_O_CPU_TYPE_POWERPC },
3249 { "powerpc_64", BFD_MACH_O_CPU_TYPE_POWERPC_64 },
3250 { "x86_64", BFD_MACH_O_CPU_TYPE_X86_64 },
3254 static bfd_mach_o_xlat_name bfd_mach_o_filetype_name[] =
3256 { "object", BFD_MACH_O_MH_OBJECT },
3257 { "execute", BFD_MACH_O_MH_EXECUTE },
3258 { "fvmlib", BFD_MACH_O_MH_FVMLIB },
3259 { "core", BFD_MACH_O_MH_CORE },
3260 { "preload", BFD_MACH_O_MH_PRELOAD },
3261 { "dylib", BFD_MACH_O_MH_DYLIB },
3262 { "dylinker", BFD_MACH_O_MH_DYLINKER },
3263 { "bundle", BFD_MACH_O_MH_BUNDLE },
3264 { "dylib_stub", BFD_MACH_O_MH_DYLIB_STUB },
3265 { "dym", BFD_MACH_O_MH_DSYM },
3266 { "kext_bundle", BFD_MACH_O_MH_KEXT_BUNDLE },
3270 static bfd_mach_o_xlat_name bfd_mach_o_header_flags_name[] =
3272 { "noundefs", BFD_MACH_O_MH_NOUNDEFS },
3273 { "incrlink", BFD_MACH_O_MH_INCRLINK },
3274 { "dyldlink", BFD_MACH_O_MH_DYLDLINK },
3275 { "bindatload", BFD_MACH_O_MH_BINDATLOAD },
3276 { "prebound", BFD_MACH_O_MH_PREBOUND },
3277 { "split_segs", BFD_MACH_O_MH_SPLIT_SEGS },
3278 { "lazy_init", BFD_MACH_O_MH_LAZY_INIT },
3279 { "twolevel", BFD_MACH_O_MH_TWOLEVEL },
3280 { "force_flat", BFD_MACH_O_MH_FORCE_FLAT },
3281 { "nomultidefs", BFD_MACH_O_MH_NOMULTIDEFS },
3282 { "nofixprebinding", BFD_MACH_O_MH_NOFIXPREBINDING },
3283 { "prebindable", BFD_MACH_O_MH_PREBINDABLE },
3284 { "allmodsbound", BFD_MACH_O_MH_ALLMODSBOUND },
3285 { "subsections_via_symbols", BFD_MACH_O_MH_SUBSECTIONS_VIA_SYMBOLS },
3286 { "canonical", BFD_MACH_O_MH_CANONICAL },
3287 { "weak_defines", BFD_MACH_O_MH_WEAK_DEFINES },
3288 { "binds_to_weak", BFD_MACH_O_MH_BINDS_TO_WEAK },
3289 { "allow_stack_execution", BFD_MACH_O_MH_ALLOW_STACK_EXECUTION },
3290 { "root_safe", BFD_MACH_O_MH_ROOT_SAFE },
3291 { "setuid_safe", BFD_MACH_O_MH_SETUID_SAFE },
3292 { "no_reexported_dylibs", BFD_MACH_O_MH_NO_REEXPORTED_DYLIBS },
3293 { "pie", BFD_MACH_O_MH_PIE },
3297 static bfd_mach_o_xlat_name bfd_mach_o_section_type_name[] =
3299 { "regular", BFD_MACH_O_S_REGULAR},
3300 { "zerofill", BFD_MACH_O_S_ZEROFILL},
3301 { "cstring_literals", BFD_MACH_O_S_CSTRING_LITERALS},
3302 { "4byte_literals", BFD_MACH_O_S_4BYTE_LITERALS},
3303 { "8byte_literals", BFD_MACH_O_S_8BYTE_LITERALS},
3304 { "literal_pointers", BFD_MACH_O_S_LITERAL_POINTERS},
3305 { "non_lazy_symbol_pointers", BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS},
3306 { "lazy_symbol_pointers", BFD_MACH_O_S_LAZY_SYMBOL_POINTERS},
3307 { "symbol_stubs", BFD_MACH_O_S_SYMBOL_STUBS},
3308 { "mod_init_func_pointers", BFD_MACH_O_S_MOD_INIT_FUNC_POINTERS},
3309 { "mod_fini_func_pointers", BFD_MACH_O_S_MOD_FINI_FUNC_POINTERS},
3310 { "coalesced", BFD_MACH_O_S_COALESCED},
3311 { "gb_zerofill", BFD_MACH_O_S_GB_ZEROFILL},
3312 { "interposing", BFD_MACH_O_S_INTERPOSING},
3313 { "16byte_literals", BFD_MACH_O_S_16BYTE_LITERALS},
3314 { "dtrace_dof", BFD_MACH_O_S_DTRACE_DOF},
3315 { "lazy_dylib_symbol_pointers", BFD_MACH_O_S_LAZY_DYLIB_SYMBOL_POINTERS},
3319 static bfd_mach_o_xlat_name bfd_mach_o_section_attribute_name[] =
3321 { "loc_reloc", BFD_MACH_O_S_ATTR_LOC_RELOC },
3322 { "ext_reloc", BFD_MACH_O_S_ATTR_EXT_RELOC },
3323 { "some_instructions", BFD_MACH_O_S_ATTR_SOME_INSTRUCTIONS },
3324 { "debug", BFD_MACH_O_S_ATTR_DEBUG },
3325 { "modifying_code", BFD_MACH_O_S_SELF_MODIFYING_CODE },
3326 { "live_support", BFD_MACH_O_S_ATTR_LIVE_SUPPORT },
3327 { "no_dead_strip", BFD_MACH_O_S_ATTR_NO_DEAD_STRIP },
3328 { "strip_static_syms", BFD_MACH_O_S_ATTR_STRIP_STATIC_SYMS },
3329 { "no_toc", BFD_MACH_O_S_ATTR_NO_TOC },
3330 { "pure_instructions", BFD_MACH_O_S_ATTR_PURE_INSTRUCTIONS },
3334 static bfd_mach_o_xlat_name bfd_mach_o_load_command_name[] =
3336 { "segment", BFD_MACH_O_LC_SEGMENT},
3337 { "symtab", BFD_MACH_O_LC_SYMTAB},
3338 { "symseg", BFD_MACH_O_LC_SYMSEG},
3339 { "thread", BFD_MACH_O_LC_THREAD},
3340 { "unixthread", BFD_MACH_O_LC_UNIXTHREAD},
3341 { "loadfvmlib", BFD_MACH_O_LC_LOADFVMLIB},
3342 { "idfvmlib", BFD_MACH_O_LC_IDFVMLIB},
3343 { "ident", BFD_MACH_O_LC_IDENT},
3344 { "fvmfile", BFD_MACH_O_LC_FVMFILE},
3345 { "prepage", BFD_MACH_O_LC_PREPAGE},
3346 { "dysymtab", BFD_MACH_O_LC_DYSYMTAB},
3347 { "load_dylib", BFD_MACH_O_LC_LOAD_DYLIB},
3348 { "id_dylib", BFD_MACH_O_LC_ID_DYLIB},
3349 { "load_dylinker", BFD_MACH_O_LC_LOAD_DYLINKER},
3350 { "id_dylinker", BFD_MACH_O_LC_ID_DYLINKER},
3351 { "prebound_dylib", BFD_MACH_O_LC_PREBOUND_DYLIB},
3352 { "routines", BFD_MACH_O_LC_ROUTINES},
3353 { "sub_framework", BFD_MACH_O_LC_SUB_FRAMEWORK},
3354 { "sub_umbrella", BFD_MACH_O_LC_SUB_UMBRELLA},
3355 { "sub_client", BFD_MACH_O_LC_SUB_CLIENT},
3356 { "sub_library", BFD_MACH_O_LC_SUB_LIBRARY},
3357 { "twolevel_hints", BFD_MACH_O_LC_TWOLEVEL_HINTS},
3358 { "prebind_cksum", BFD_MACH_O_LC_PREBIND_CKSUM},
3359 { "load_weak_dylib", BFD_MACH_O_LC_LOAD_WEAK_DYLIB},
3360 { "segment_64", BFD_MACH_O_LC_SEGMENT_64},
3361 { "routines_64", BFD_MACH_O_LC_ROUTINES_64},
3362 { "uuid", BFD_MACH_O_LC_UUID},
3363 { "rpath", BFD_MACH_O_LC_RPATH},
3364 { "code_signature", BFD_MACH_O_LC_CODE_SIGNATURE},
3365 { "segment_split_info", BFD_MACH_O_LC_SEGMENT_SPLIT_INFO},
3366 { "reexport_dylib", BFD_MACH_O_LC_REEXPORT_DYLIB},
3367 { "lazy_load_dylib", BFD_MACH_O_LC_LAZY_LOAD_DYLIB},
3368 { "encryption_info", BFD_MACH_O_LC_ENCRYPTION_INFO},
3369 { "dyld_info", BFD_MACH_O_LC_DYLD_INFO},
3374 bfd_mach_o_print_private_header (bfd *abfd, FILE *file)
3376 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
3377 bfd_mach_o_header *h = &mdata->header;
3379 fputs (_("Mach-O header:\n"), file);
3380 fprintf (file, _(" magic : %08lx\n"), h->magic);
3381 fprintf (file, _(" cputype : %08lx (%s)\n"), h->cputype,
3382 bfd_mach_o_get_name (bfd_mach_o_cpu_name, h->cputype));
3383 fprintf (file, _(" cpusubtype: %08lx\n"), h->cpusubtype);
3384 fprintf (file, _(" filetype : %08lx (%s)\n"),
3386 bfd_mach_o_get_name (bfd_mach_o_filetype_name, h->filetype));
3387 fprintf (file, _(" ncmds : %08lx (%lu)\n"), h->ncmds, h->ncmds);
3388 fprintf (file, _(" sizeofcmds: %08lx\n"), h->sizeofcmds);
3389 fprintf (file, _(" flags : %08lx ("), h->flags);
3390 bfd_mach_o_print_flags (bfd_mach_o_header_flags_name, h->flags, file);
3391 fputs (_(")\n"), file);
3392 fprintf (file, _(" reserved : %08x\n"), h->reserved);
3396 bfd_mach_o_print_section_map (bfd *abfd, FILE *file)
3398 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
3400 unsigned int sec_nbr = 0;
3402 fputs (_("Segments and Sections:\n"), file);
3403 fputs (_(" #: Segment name Section name Address\n"), file);
3405 for (i = 0; i < mdata->header.ncmds; i++)
3407 bfd_mach_o_segment_command *seg;
3409 if (mdata->commands[i].type != BFD_MACH_O_LC_SEGMENT
3410 && mdata->commands[i].type != BFD_MACH_O_LC_SEGMENT_64)
3413 seg = &mdata->commands[i].command.segment;
3415 fprintf (file, "[Segment %-16s ", seg->segname);
3416 fprintf_vma (file, seg->vmaddr);
3417 fprintf (file, "-");
3418 fprintf_vma (file, seg->vmaddr + seg->vmsize - 1);
3420 fputc (seg->initprot & BFD_MACH_O_PROT_READ ? 'r' : '-', file);
3421 fputc (seg->initprot & BFD_MACH_O_PROT_WRITE ? 'w' : '-', file);
3422 fputc (seg->initprot & BFD_MACH_O_PROT_EXECUTE ? 'x' : '-', file);
3423 fprintf (file, "]\n");
3424 for (j = 0; j < seg->nsects; j++)
3426 bfd_mach_o_section *sec = &seg->sections[j];
3427 fprintf (file, "%02u: %-16s %-16s ", ++sec_nbr,
3428 sec->segname, sec->sectname);
3429 fprintf_vma (file, sec->addr);
3430 fprintf (file, " ");
3431 fprintf_vma (file, sec->size);
3432 fprintf (file, " %08lx\n", sec->flags);
3438 bfd_mach_o_print_section (bfd *abfd ATTRIBUTE_UNUSED,
3439 bfd_mach_o_section *sec, FILE *file)
3441 fprintf (file, " Section: %-16s %-16s (bfdname: %s)\n",
3442 sec->sectname, sec->segname, sec->bfdsection->name);
3443 fprintf (file, " addr: ");
3444 fprintf_vma (file, sec->addr);
3445 fprintf (file, " size: ");
3446 fprintf_vma (file, sec->size);
3447 fprintf (file, " offset: ");
3448 fprintf_vma (file, sec->offset);
3449 fprintf (file, "\n");
3450 fprintf (file, " align: %ld", sec->align);
3451 fprintf (file, " nreloc: %lu reloff: ", sec->nreloc);
3452 fprintf_vma (file, sec->reloff);
3453 fprintf (file, "\n");
3454 fprintf (file, " flags: %08lx (type: %s", sec->flags,
3455 bfd_mach_o_get_name (bfd_mach_o_section_type_name,
3456 sec->flags & BFD_MACH_O_SECTION_TYPE_MASK));
3457 fprintf (file, " attr: ");
3458 bfd_mach_o_print_flags (bfd_mach_o_section_attribute_name,
3459 sec->flags & BFD_MACH_O_SECTION_ATTRIBUTES_MASK,
3461 fprintf (file, ")\n");
3462 switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK)
3464 case BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS:
3465 case BFD_MACH_O_S_LAZY_SYMBOL_POINTERS:
3466 case BFD_MACH_O_S_SYMBOL_STUBS:
3467 fprintf (file, " first indirect sym: %lu", sec->reserved1);
3468 fprintf (file, " (%u entries)",
3469 bfd_mach_o_section_get_nbr_indirect (abfd, sec));
3472 fprintf (file, " reserved1: 0x%lx", sec->reserved1);
3475 switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK)
3477 case BFD_MACH_O_S_SYMBOL_STUBS:
3478 fprintf (file, " stub size: %lu", sec->reserved2);
3481 fprintf (file, " reserved2: 0x%lx", sec->reserved2);
3484 fprintf (file, " reserved3: 0x%lx\n", sec->reserved3);
3488 bfd_mach_o_print_segment (bfd *abfd ATTRIBUTE_UNUSED,
3489 bfd_mach_o_load_command *cmd, FILE *file)
3491 bfd_mach_o_segment_command *seg = &cmd->command.segment;
3494 fprintf (file, " name: %s\n", *seg->segname ? seg->segname : "*none*");
3495 fprintf (file, " vmaddr: ");
3496 fprintf_vma (file, seg->vmaddr);
3497 fprintf (file, " vmsize: ");
3498 fprintf_vma (file, seg->vmsize);
3499 fprintf (file, "\n");
3500 fprintf (file, " fileoff: ");
3501 fprintf_vma (file, seg->fileoff);
3502 fprintf (file, " filesize: ");
3503 fprintf_vma (file, (bfd_vma)seg->filesize);
3504 fprintf (file, " endoff: ");
3505 fprintf_vma (file, (bfd_vma)(seg->fileoff + seg->filesize));
3506 fprintf (file, "\n");
3507 fprintf (file, " nsects: %lu ", seg->nsects);
3508 fprintf (file, " flags: %lx\n", seg->flags);
3509 for (i = 0; i < seg->nsects; i++)
3510 bfd_mach_o_print_section (abfd, &seg->sections[i], file);
3514 bfd_mach_o_print_dysymtab (bfd *abfd ATTRIBUTE_UNUSED,
3515 bfd_mach_o_load_command *cmd, FILE *file)
3517 bfd_mach_o_dysymtab_command *dysymtab = &cmd->command.dysymtab;
3518 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
3521 fprintf (file, " local symbols: idx: %10lu num: %-8lu",
3522 dysymtab->ilocalsym, dysymtab->nlocalsym);
3523 fprintf (file, " (nxtidx: %lu)\n",
3524 dysymtab->ilocalsym + dysymtab->nlocalsym);
3525 fprintf (file, " external symbols: idx: %10lu num: %-8lu",
3526 dysymtab->iextdefsym, dysymtab->nextdefsym);
3527 fprintf (file, " (nxtidx: %lu)\n",
3528 dysymtab->iextdefsym + dysymtab->nextdefsym);
3529 fprintf (file, " undefined symbols: idx: %10lu num: %-8lu",
3530 dysymtab->iundefsym, dysymtab->nundefsym);
3531 fprintf (file, " (nxtidx: %lu)\n",
3532 dysymtab->iundefsym + dysymtab->nundefsym);
3533 fprintf (file, " table of content: off: 0x%08lx num: %-8lu",
3534 dysymtab->tocoff, dysymtab->ntoc);
3535 fprintf (file, " (endoff: 0x%08lx)\n",
3537 + dysymtab->ntoc * BFD_MACH_O_TABLE_OF_CONTENT_SIZE);
3538 fprintf (file, " module table: off: 0x%08lx num: %-8lu",
3539 dysymtab->modtaboff, dysymtab->nmodtab);
3540 fprintf (file, " (endoff: 0x%08lx)\n",
3541 dysymtab->modtaboff + dysymtab->nmodtab
3542 * (mach_o_wide_p (&mdata->header) ?
3543 BFD_MACH_O_DYLIB_MODULE_64_SIZE : BFD_MACH_O_DYLIB_MODULE_SIZE));
3544 fprintf (file, " external reference table: off: 0x%08lx num: %-8lu",
3545 dysymtab->extrefsymoff, dysymtab->nextrefsyms);
3546 fprintf (file, " (endoff: 0x%08lx)\n",
3547 dysymtab->extrefsymoff
3548 + dysymtab->nextrefsyms * BFD_MACH_O_REFERENCE_SIZE);
3549 fprintf (file, " indirect symbol table: off: 0x%08lx num: %-8lu",
3550 dysymtab->indirectsymoff, dysymtab->nindirectsyms);
3551 fprintf (file, " (endoff: 0x%08lx)\n",
3552 dysymtab->indirectsymoff
3553 + dysymtab->nindirectsyms * BFD_MACH_O_INDIRECT_SYMBOL_SIZE);
3554 fprintf (file, " external relocation table: off: 0x%08lx num: %-8lu",
3555 dysymtab->extreloff, dysymtab->nextrel);
3556 fprintf (file, " (endoff: 0x%08lx)\n",
3557 dysymtab->extreloff + dysymtab->nextrel * BFD_MACH_O_RELENT_SIZE);
3558 fprintf (file, " local relocation table: off: 0x%08lx num: %-8lu",
3559 dysymtab->locreloff, dysymtab->nlocrel);
3560 fprintf (file, " (endoff: 0x%08lx)\n",
3561 dysymtab->locreloff + dysymtab->nlocrel * BFD_MACH_O_RELENT_SIZE);
3563 if (dysymtab->ntoc > 0
3564 || dysymtab->nindirectsyms > 0
3565 || dysymtab->nextrefsyms > 0)
3567 /* Try to read the symbols to display the toc or indirect symbols. */
3568 bfd_mach_o_read_symtab_symbols (abfd);
3570 else if (dysymtab->nmodtab > 0)
3572 /* Try to read the strtab to display modules name. */
3573 bfd_mach_o_read_symtab_strtab (abfd);
3576 for (i = 0; i < dysymtab->nmodtab; i++)
3578 bfd_mach_o_dylib_module *module = &dysymtab->dylib_module[i];
3579 fprintf (file, " module %u:\n", i);
3580 fprintf (file, " name: %lu", module->module_name_idx);
3581 if (mdata->symtab && mdata->symtab->strtab)
3582 fprintf (file, ": %s",
3583 mdata->symtab->strtab + module->module_name_idx);
3584 fprintf (file, "\n");
3585 fprintf (file, " extdefsym: idx: %8lu num: %lu\n",
3586 module->iextdefsym, module->nextdefsym);
3587 fprintf (file, " refsym: idx: %8lu num: %lu\n",
3588 module->irefsym, module->nrefsym);
3589 fprintf (file, " localsym: idx: %8lu num: %lu\n",
3590 module->ilocalsym, module->nlocalsym);
3591 fprintf (file, " extrel: idx: %8lu num: %lu\n",
3592 module->iextrel, module->nextrel);
3593 fprintf (file, " init: idx: %8u num: %u\n",
3594 module->iinit, module->ninit);
3595 fprintf (file, " term: idx: %8u num: %u\n",
3596 module->iterm, module->nterm);
3597 fprintf (file, " objc_module_info: addr: ");
3598 fprintf_vma (file, module->objc_module_info_addr);
3599 fprintf (file, " size: %lu\n", module->objc_module_info_size);
3602 if (dysymtab->ntoc > 0)
3604 bfd_mach_o_symtab_command *symtab = mdata->symtab;
3606 fprintf (file, " table of content: (symbol/module)\n");
3607 for (i = 0; i < dysymtab->ntoc; i++)
3609 bfd_mach_o_dylib_table_of_content *toc = &dysymtab->dylib_toc[i];
3611 fprintf (file, " %4u: ", i);
3612 if (symtab && symtab->symbols && toc->symbol_index < symtab->nsyms)
3614 const char *name = symtab->symbols[toc->symbol_index].symbol.name;
3615 fprintf (file, "%s (%lu)", name ? name : "*invalid*",
3619 fprintf (file, "%lu", toc->symbol_index);
3621 fprintf (file, " / ");
3622 if (symtab && symtab->strtab
3623 && toc->module_index < dysymtab->nmodtab)
3625 bfd_mach_o_dylib_module *mod;
3626 mod = &dysymtab->dylib_module[toc->module_index];
3627 fprintf (file, "%s (%lu)",
3628 symtab->strtab + mod->module_name_idx,
3632 fprintf (file, "%lu", toc->module_index);
3634 fprintf (file, "\n");
3638 if (dysymtab->nindirectsyms != 0)
3640 fprintf (file, " indirect symbols:\n");
3642 for (i = 0; i < mdata->nsects; i++)
3644 bfd_mach_o_section *sec = mdata->sections[i];
3645 unsigned int j, first, last;
3646 bfd_mach_o_symtab_command *symtab = mdata->symtab;
3650 switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK)
3652 case BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS:
3653 case BFD_MACH_O_S_LAZY_SYMBOL_POINTERS:
3654 case BFD_MACH_O_S_SYMBOL_STUBS:
3655 first = sec->reserved1;
3656 last = first + bfd_mach_o_section_get_nbr_indirect (abfd, sec);
3658 entry_size = bfd_mach_o_section_get_entry_size (abfd, sec);
3659 fprintf (file, " for section %s.%s:\n",
3660 sec->segname, sec->sectname);
3661 for (j = first; j < last; j++)
3663 unsigned int isym = dysymtab->indirect_syms[j];
3665 fprintf (file, " ");
3666 fprintf_vma (file, addr);
3667 fprintf (file, " %5u: 0x%08x", j, isym);
3668 if (isym & BFD_MACH_O_INDIRECT_SYMBOL_LOCAL)
3669 fprintf (file, " LOCAL");
3670 if (isym & BFD_MACH_O_INDIRECT_SYMBOL_ABS)
3671 fprintf (file, " ABSOLUTE");
3672 if (symtab && symtab->symbols
3673 && isym < symtab->nsyms
3674 && symtab->symbols[isym].symbol.name)
3675 fprintf (file, " %s", symtab->symbols[isym].symbol.name);
3676 fprintf (file, "\n");
3685 if (dysymtab->nextrefsyms > 0)
3687 bfd_mach_o_symtab_command *symtab = mdata->symtab;
3689 fprintf (file, " external reference table: (symbol flags)\n");
3690 for (i = 0; i < dysymtab->nextrefsyms; i++)
3692 bfd_mach_o_dylib_reference *ref = &dysymtab->ext_refs[i];
3694 fprintf (file, " %4u: %5lu 0x%02lx", i, ref->isym, ref->flags);
3695 if (symtab && symtab->symbols
3696 && ref->isym < symtab->nsyms
3697 && symtab->symbols[ref->isym].symbol.name)
3698 fprintf (file, " %s", symtab->symbols[ref->isym].symbol.name);
3699 fprintf (file, "\n");
3706 bfd_mach_o_print_dyld_info (bfd *abfd ATTRIBUTE_UNUSED,
3707 bfd_mach_o_load_command *cmd, FILE *file)
3709 bfd_mach_o_dyld_info_command *info = &cmd->command.dyld_info;
3711 fprintf (file, " rebase: off: 0x%08x size: %-8u\n",
3712 info->rebase_off, info->rebase_size);
3713 fprintf (file, " bind: off: 0x%08x size: %-8u\n",
3714 info->bind_off, info->bind_size);
3715 fprintf (file, " weak bind: off: 0x%08x size: %-8u\n",
3716 info->weak_bind_off, info->weak_bind_size);
3717 fprintf (file, " lazy bind: off: 0x%08x size: %-8u\n",
3718 info->lazy_bind_off, info->lazy_bind_size);
3719 fprintf (file, " export: off: 0x%08x size: %-8u\n",
3720 info->export_off, info->export_size);
3724 bfd_mach_o_bfd_print_private_bfd_data (bfd *abfd, void * ptr)
3726 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
3727 FILE *file = (FILE *) ptr;
3730 bfd_mach_o_print_private_header (abfd, file);
3733 for (i = 0; i < mdata->header.ncmds; i++)
3735 bfd_mach_o_load_command *cmd = &mdata->commands[i];
3737 fprintf (file, "Load command %s:",
3738 bfd_mach_o_get_name (bfd_mach_o_load_command_name, cmd->type));
3741 case BFD_MACH_O_LC_SEGMENT:
3742 case BFD_MACH_O_LC_SEGMENT_64:
3743 bfd_mach_o_print_segment (abfd, cmd, file);
3745 case BFD_MACH_O_LC_UUID:
3747 bfd_mach_o_uuid_command *uuid = &cmd->command.uuid;
3750 for (j = 0; j < sizeof (uuid->uuid); j ++)
3751 fprintf (file, " %02x", uuid->uuid[j]);
3755 case BFD_MACH_O_LC_LOAD_DYLIB:
3756 case BFD_MACH_O_LC_LOAD_WEAK_DYLIB:
3757 case BFD_MACH_O_LC_REEXPORT_DYLIB:
3758 case BFD_MACH_O_LC_ID_DYLIB:
3760 bfd_mach_o_dylib_command *dylib = &cmd->command.dylib;
3761 fprintf (file, " %s\n", dylib->name_str);
3762 fprintf (file, " time stamp: 0x%08lx\n",
3764 fprintf (file, " current version: 0x%08lx\n",
3765 dylib->current_version);
3766 fprintf (file, " comptibility version: 0x%08lx\n",
3767 dylib->compatibility_version);
3770 case BFD_MACH_O_LC_LOAD_DYLINKER:
3771 case BFD_MACH_O_LC_ID_DYLINKER:
3772 fprintf (file, " %s\n", cmd->command.dylinker.name_str);
3774 case BFD_MACH_O_LC_SYMTAB:
3776 bfd_mach_o_symtab_command *symtab = &cmd->command.symtab;
3779 " symoff: 0x%08x nsyms: %8u (endoff: 0x%08x)\n",
3780 symtab->symoff, symtab->nsyms,
3781 symtab->symoff + symtab->nsyms
3782 * (mach_o_wide_p (&mdata->header)
3783 ? BFD_MACH_O_NLIST_64_SIZE : BFD_MACH_O_NLIST_SIZE));
3785 " stroff: 0x%08x strsize: %8u (endoff: 0x%08x)\n",
3786 symtab->stroff, symtab->strsize,
3787 symtab->stroff + symtab->strsize);
3790 case BFD_MACH_O_LC_DYSYMTAB:
3791 fprintf (file, "\n");
3792 bfd_mach_o_print_dysymtab (abfd, cmd, file);
3794 case BFD_MACH_O_LC_CODE_SIGNATURE:
3795 case BFD_MACH_O_LC_SEGMENT_SPLIT_INFO:
3797 bfd_mach_o_linkedit_command *linkedit = &cmd->command.linkedit;
3800 " dataoff: 0x%08lx datasize: 0x%08lx (endoff: 0x%08lx)\n",
3801 linkedit->dataoff, linkedit->datasize,
3802 linkedit->dataoff + linkedit->datasize);
3805 case BFD_MACH_O_LC_SUB_FRAMEWORK:
3806 case BFD_MACH_O_LC_SUB_UMBRELLA:
3807 case BFD_MACH_O_LC_SUB_LIBRARY:
3808 case BFD_MACH_O_LC_SUB_CLIENT:
3809 case BFD_MACH_O_LC_RPATH:
3811 bfd_mach_o_str_command *str = &cmd->command.str;
3812 fprintf (file, " %s\n", str->str);
3815 case BFD_MACH_O_LC_THREAD:
3816 case BFD_MACH_O_LC_UNIXTHREAD:
3818 bfd_mach_o_thread_command *thread = &cmd->command.thread;
3820 bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd);
3822 fprintf (file, " nflavours: %lu\n", thread->nflavours);
3823 for (j = 0; j < thread->nflavours; j++)
3825 bfd_mach_o_thread_flavour *flavour = &thread->flavours[j];
3827 fprintf (file, " %2u: flavour: 0x%08lx offset: 0x%08lx"
3829 j, flavour->flavour, flavour->offset,
3831 if (bed->_bfd_mach_o_print_thread)
3833 char *buf = bfd_malloc (flavour->size);
3836 && bfd_seek (abfd, flavour->offset, SEEK_SET) == 0
3837 && (bfd_bread (buf, flavour->size, abfd)
3839 (*bed->_bfd_mach_o_print_thread)(abfd, flavour,
3846 case BFD_MACH_O_LC_DYLD_INFO:
3847 fprintf (file, "\n");
3848 bfd_mach_o_print_dyld_info (abfd, cmd, file);
3851 fprintf (file, "\n");
3857 bfd_mach_o_print_section_map (abfd, file);
3863 bfd_mach_o_core_fetch_environment (bfd *abfd,
3864 unsigned char **rbuf,
3867 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
3868 unsigned long stackaddr = bfd_mach_o_stack_addr (mdata->header.cputype);
3871 for (i = 0; i < mdata->header.ncmds; i++)
3873 bfd_mach_o_load_command *cur = &mdata->commands[i];
3874 bfd_mach_o_segment_command *seg = NULL;
3876 if (cur->type != BFD_MACH_O_LC_SEGMENT)
3879 seg = &cur->command.segment;
3881 if ((seg->vmaddr + seg->vmsize) == stackaddr)
3883 unsigned long start = seg->fileoff;
3884 unsigned long end = seg->fileoff + seg->filesize;
3885 unsigned char *buf = bfd_malloc (1024);
3886 unsigned long size = 1024;
3890 bfd_size_type nread = 0;
3891 unsigned long offset;
3892 int found_nonnull = 0;
3894 if (size > (end - start))
3895 size = (end - start);
3897 buf = bfd_realloc_or_free (buf, size);
3901 if (bfd_seek (abfd, end - size, SEEK_SET) != 0)
3907 nread = bfd_bread (buf, size, abfd);
3915 for (offset = 4; offset <= size; offset += 4)
3919 val = *((unsigned long *) (buf + size - offset));
3920 if (! found_nonnull)
3925 else if (val == 0x0)
3927 unsigned long bottom;
3930 bottom = seg->fileoff + seg->filesize - offset;
3931 top = seg->fileoff + seg->filesize - 4;
3932 *rbuf = bfd_malloc (top - bottom);
3933 *rlen = top - bottom;
3935 memcpy (*rbuf, buf + size - *rlen, *rlen);
3941 if (size == (end - start))
3955 bfd_mach_o_core_file_failing_command (bfd *abfd)
3957 unsigned char *buf = NULL;
3958 unsigned int len = 0;
3961 ret = bfd_mach_o_core_fetch_environment (abfd, &buf, &len);
3965 return (char *) buf;
3969 bfd_mach_o_core_file_failing_signal (bfd *abfd ATTRIBUTE_UNUSED)
3974 #define bfd_mach_o_bfd_reloc_type_lookup _bfd_norelocs_bfd_reloc_type_lookup
3975 #define bfd_mach_o_bfd_reloc_name_lookup _bfd_norelocs_bfd_reloc_name_lookup
3977 #define bfd_mach_o_swap_reloc_in NULL
3978 #define bfd_mach_o_swap_reloc_out NULL
3979 #define bfd_mach_o_print_thread NULL
3981 #define TARGET_NAME mach_o_be_vec
3982 #define TARGET_STRING "mach-o-be"
3983 #define TARGET_BIG_ENDIAN 1
3984 #define TARGET_ARCHIVE 0
3985 #include "mach-o-target.c"
3988 #undef TARGET_STRING
3989 #undef TARGET_BIG_ENDIAN
3990 #undef TARGET_ARCHIVE
3992 #define TARGET_NAME mach_o_le_vec
3993 #define TARGET_STRING "mach-o-le"
3994 #define TARGET_BIG_ENDIAN 0
3995 #define TARGET_ARCHIVE 0
3997 #include "mach-o-target.c"
4000 #undef TARGET_STRING
4001 #undef TARGET_BIG_ENDIAN
4002 #undef TARGET_ARCHIVE
4004 #define TARGET_NAME mach_o_fat_vec
4005 #define TARGET_STRING "mach-o-fat"
4006 #define TARGET_BIG_ENDIAN 1
4007 #define TARGET_ARCHIVE 1
4009 #include "mach-o-target.c"
4012 #undef TARGET_STRING
4013 #undef TARGET_BIG_ENDIAN
4014 #undef TARGET_ARCHIVE