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_mach_o_gen_mkobject
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)
714 BFD_ASSERT (num != 0);
715 BFD_ASSERT (num <= mdata->nsects);
716 sym = mdata->sections[num - 1]->bfdsection->symbol_ptr_ptr;
719 res->sym_ptr_ptr = sym;
720 reloc.r_type = BFD_MACH_O_GET_R_TYPE (symnum);
721 reloc.r_length = BFD_MACH_O_GET_R_LENGTH (symnum);
722 reloc.r_pcrel = (symnum & BFD_MACH_O_R_PCREL) ? 1 : 0;
723 reloc.r_scattered = 0;
726 if (!(*bed->_bfd_mach_o_swap_reloc_in)(res, &reloc))
732 bfd_mach_o_canonicalize_relocs (bfd *abfd, unsigned long filepos,
734 arelent *res, asymbol **syms)
738 bfd_size_type native_size;
740 /* Allocate and read relocs. */
741 native_size = count * BFD_MACH_O_RELENT_SIZE;
742 native_relocs = bfd_malloc (native_size);
743 if (native_relocs == NULL)
746 if (bfd_seek (abfd, filepos, SEEK_SET) != 0
747 || bfd_bread (native_relocs, native_size, abfd) != native_size)
750 for (i = 0; i < count; i++)
752 char *buf = native_relocs + BFD_MACH_O_RELENT_SIZE * i;
754 if (bfd_mach_o_canonicalize_one_reloc (abfd, buf, &res[i], syms) < 0)
757 free (native_relocs);
760 free (native_relocs);
765 bfd_mach_o_canonicalize_reloc (bfd *abfd, asection *asect,
766 arelent **rels, asymbol **syms)
768 bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd);
772 if (asect->reloc_count == 0)
775 /* No need to go further if we don't know how to read relocs. */
776 if (bed->_bfd_mach_o_swap_reloc_in == NULL)
779 res = bfd_malloc (asect->reloc_count * sizeof (arelent));
783 if (bfd_mach_o_canonicalize_relocs (abfd, asect->rel_filepos,
784 asect->reloc_count, res, syms) < 0)
790 for (i = 0; i < asect->reloc_count; i++)
793 asect->relocation = res;
799 bfd_mach_o_get_dynamic_reloc_upper_bound (bfd *abfd)
801 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
803 if (mdata->dysymtab == NULL)
805 return (mdata->dysymtab->nextrel + mdata->dysymtab->nlocrel)
806 * sizeof (arelent *);
810 bfd_mach_o_canonicalize_dynamic_reloc (bfd *abfd, arelent **rels,
811 struct bfd_symbol **syms)
813 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
814 bfd_mach_o_dysymtab_command *dysymtab = mdata->dysymtab;
815 bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd);
819 if (dysymtab == NULL)
821 if (dysymtab->nextrel == 0 && dysymtab->nlocrel == 0)
824 /* No need to go further if we don't know how to read relocs. */
825 if (bed->_bfd_mach_o_swap_reloc_in == NULL)
828 res = bfd_malloc ((dysymtab->nextrel + dysymtab->nlocrel) * sizeof (arelent));
832 if (bfd_mach_o_canonicalize_relocs (abfd, dysymtab->extreloff,
833 dysymtab->nextrel, res, syms) < 0)
839 if (bfd_mach_o_canonicalize_relocs (abfd, dysymtab->locreloff,
841 res + dysymtab->nextrel, syms) < 0)
847 for (i = 0; i < dysymtab->nextrel + dysymtab->nlocrel; i++)
854 bfd_mach_o_write_relocs (bfd *abfd, bfd_mach_o_section *section)
856 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
860 bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd);
862 sec = section->bfdsection;
863 if (sec->reloc_count == 0)
866 if (bed->_bfd_mach_o_swap_reloc_out == NULL)
869 /* Allocate relocation room. */
870 mdata->filelen = FILE_ALIGN(mdata->filelen, 2);
871 section->nreloc = sec->reloc_count;
872 sec->rel_filepos = mdata->filelen;
873 section->reloff = sec->rel_filepos;
874 mdata->filelen += sec->reloc_count * BFD_MACH_O_RELENT_SIZE;
876 if (bfd_seek (abfd, section->reloff, SEEK_SET) != 0)
879 /* Convert and write. */
880 entries = section->bfdsection->orelocation;
881 for (i = 0; i < section->nreloc; i++)
883 arelent *rel = entries[i];
885 bfd_mach_o_reloc_info info, *pinfo = &info;
887 /* Convert relocation to an intermediate representation. */
888 if (!(*bed->_bfd_mach_o_swap_reloc_out) (rel, pinfo))
891 /* Lower the relocation info. */
892 if (pinfo->r_scattered)
896 v = BFD_MACH_O_SR_SCATTERED
897 | (pinfo->r_pcrel ? BFD_MACH_O_SR_PCREL : 0)
898 | BFD_MACH_O_SET_SR_LENGTH(pinfo->r_length)
899 | BFD_MACH_O_SET_SR_TYPE(pinfo->r_type)
900 | BFD_MACH_O_SET_SR_ADDRESS(pinfo->r_address);
901 bfd_put_32 (abfd, v, buf);
902 bfd_put_32 (abfd, pinfo->r_value, buf + 4);
908 bfd_put_32 (abfd, pinfo->r_address, buf);
909 v = BFD_MACH_O_SET_R_SYMBOLNUM (pinfo->r_value)
910 | (pinfo->r_pcrel ? BFD_MACH_O_R_PCREL : 0)
911 | BFD_MACH_O_SET_R_LENGTH (pinfo->r_length)
912 | (pinfo->r_extern ? BFD_MACH_O_R_EXTERN : 0)
913 | BFD_MACH_O_SET_R_TYPE (pinfo->r_type);
914 bfd_put_32 (abfd, v, buf + 4);
917 if (bfd_bwrite ((void *) buf, BFD_MACH_O_RELENT_SIZE, abfd)
918 != BFD_MACH_O_RELENT_SIZE)
925 bfd_mach_o_write_section_32 (bfd *abfd, bfd_mach_o_section *section)
927 unsigned char buf[BFD_MACH_O_SECTION_SIZE];
929 memcpy (buf, section->sectname, 16);
930 memcpy (buf + 16, section->segname, 16);
931 bfd_h_put_32 (abfd, section->addr, buf + 32);
932 bfd_h_put_32 (abfd, section->size, buf + 36);
933 bfd_h_put_32 (abfd, section->offset, buf + 40);
934 bfd_h_put_32 (abfd, section->align, buf + 44);
935 bfd_h_put_32 (abfd, section->reloff, buf + 48);
936 bfd_h_put_32 (abfd, section->nreloc, buf + 52);
937 bfd_h_put_32 (abfd, section->flags, buf + 56);
938 bfd_h_put_32 (abfd, section->reserved1, buf + 60);
939 bfd_h_put_32 (abfd, section->reserved2, buf + 64);
941 if (bfd_bwrite ((void *) buf, BFD_MACH_O_SECTION_SIZE, abfd)
942 != BFD_MACH_O_SECTION_SIZE)
949 bfd_mach_o_write_section_64 (bfd *abfd, bfd_mach_o_section *section)
951 unsigned char buf[BFD_MACH_O_SECTION_64_SIZE];
953 memcpy (buf, section->sectname, 16);
954 memcpy (buf + 16, section->segname, 16);
955 bfd_h_put_64 (abfd, section->addr, buf + 32);
956 bfd_h_put_64 (abfd, section->size, buf + 40);
957 bfd_h_put_32 (abfd, section->offset, buf + 48);
958 bfd_h_put_32 (abfd, section->align, buf + 52);
959 bfd_h_put_32 (abfd, section->reloff, buf + 56);
960 bfd_h_put_32 (abfd, section->nreloc, buf + 60);
961 bfd_h_put_32 (abfd, section->flags, buf + 64);
962 bfd_h_put_32 (abfd, section->reserved1, buf + 68);
963 bfd_h_put_32 (abfd, section->reserved2, buf + 72);
964 bfd_h_put_32 (abfd, section->reserved3, buf + 76);
966 if (bfd_bwrite ((void *) buf, BFD_MACH_O_SECTION_64_SIZE, abfd)
967 != BFD_MACH_O_SECTION_64_SIZE)
974 bfd_mach_o_write_segment_32 (bfd *abfd, bfd_mach_o_load_command *command)
976 unsigned char buf[BFD_MACH_O_LC_SEGMENT_SIZE];
977 bfd_mach_o_segment_command *seg = &command->command.segment;
980 BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT);
982 for (i = 0; i < seg->nsects; i++)
983 if (!bfd_mach_o_write_relocs (abfd, &seg->sections[i]))
986 memcpy (buf, seg->segname, 16);
987 bfd_h_put_32 (abfd, seg->vmaddr, buf + 16);
988 bfd_h_put_32 (abfd, seg->vmsize, buf + 20);
989 bfd_h_put_32 (abfd, seg->fileoff, buf + 24);
990 bfd_h_put_32 (abfd, seg->filesize, buf + 28);
991 bfd_h_put_32 (abfd, seg->maxprot, buf + 32);
992 bfd_h_put_32 (abfd, seg->initprot, buf + 36);
993 bfd_h_put_32 (abfd, seg->nsects, buf + 40);
994 bfd_h_put_32 (abfd, seg->flags, buf + 44);
996 if (bfd_seek (abfd, command->offset + 8, SEEK_SET) != 0
997 || (bfd_bwrite ((void *) buf, BFD_MACH_O_LC_SEGMENT_SIZE - 8, abfd)
998 != BFD_MACH_O_LC_SEGMENT_SIZE - 8))
1001 for (i = 0; i < seg->nsects; i++)
1002 if (bfd_mach_o_write_section_32 (abfd, &seg->sections[i]))
1009 bfd_mach_o_write_segment_64 (bfd *abfd, bfd_mach_o_load_command *command)
1011 unsigned char buf[BFD_MACH_O_LC_SEGMENT_64_SIZE];
1012 bfd_mach_o_segment_command *seg = &command->command.segment;
1015 BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT_64);
1017 for (i = 0; i < seg->nsects; i++)
1018 if (!bfd_mach_o_write_relocs (abfd, &seg->sections[i]))
1021 memcpy (buf, seg->segname, 16);
1022 bfd_h_put_64 (abfd, seg->vmaddr, buf + 16);
1023 bfd_h_put_64 (abfd, seg->vmsize, buf + 24);
1024 bfd_h_put_64 (abfd, seg->fileoff, buf + 32);
1025 bfd_h_put_64 (abfd, seg->filesize, buf + 40);
1026 bfd_h_put_32 (abfd, seg->maxprot, buf + 48);
1027 bfd_h_put_32 (abfd, seg->initprot, buf + 52);
1028 bfd_h_put_32 (abfd, seg->nsects, buf + 56);
1029 bfd_h_put_32 (abfd, seg->flags, buf + 60);
1031 if (bfd_seek (abfd, command->offset + 8, SEEK_SET) != 0
1032 || (bfd_bwrite ((void *) buf, BFD_MACH_O_LC_SEGMENT_64_SIZE - 8, abfd)
1033 != BFD_MACH_O_LC_SEGMENT_64_SIZE - 8))
1036 for (i = 0; i < seg->nsects; i++)
1037 if (bfd_mach_o_write_section_64 (abfd, &seg->sections[i]))
1044 bfd_mach_o_write_symtab (bfd *abfd, bfd_mach_o_load_command *command)
1046 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
1047 bfd_mach_o_symtab_command *sym = &command->command.symtab;
1048 unsigned char buf[16];
1050 unsigned int wide = bfd_mach_o_wide_p (abfd);
1051 unsigned int symlen = wide ? BFD_MACH_O_NLIST_64_SIZE : BFD_MACH_O_NLIST_SIZE;
1052 struct bfd_strtab_hash *strtab;
1053 asymbol **symbols = bfd_get_outsymbols (abfd);
1055 BFD_ASSERT (command->type == BFD_MACH_O_LC_SYMTAB);
1057 /* Write the symbols first. */
1058 mdata->filelen = FILE_ALIGN(mdata->filelen, wide ? 3 : 2);
1059 sym->symoff = mdata->filelen;
1060 if (bfd_seek (abfd, sym->symoff, SEEK_SET) != 0)
1063 sym->nsyms = bfd_get_symcount (abfd);
1064 mdata->filelen += sym->nsyms * symlen;
1066 strtab = _bfd_stringtab_init ();
1070 for (i = 0; i < sym->nsyms; i++)
1072 bfd_size_type str_index;
1073 bfd_mach_o_asymbol *s = (bfd_mach_o_asymbol *)symbols[i];
1075 /* Compute name index. */
1076 /* An index of 0 always means the empty string. */
1077 if (s->symbol.name == 0 || s->symbol.name[0] == '\0')
1081 str_index = _bfd_stringtab_add (strtab, s->symbol.name, TRUE, FALSE);
1082 if (str_index == (bfd_size_type) -1)
1085 bfd_h_put_32 (abfd, str_index, buf);
1086 bfd_h_put_8 (abfd, s->n_type, buf + 4);
1087 bfd_h_put_8 (abfd, s->n_sect, buf + 5);
1088 bfd_h_put_16 (abfd, s->n_desc, buf + 6);
1090 bfd_h_put_64 (abfd, s->symbol.section->vma + s->symbol.value, buf + 8);
1092 bfd_h_put_32 (abfd, s->symbol.section->vma + s->symbol.value, buf + 8);
1094 if (bfd_bwrite ((void *) buf, symlen, abfd) != symlen)
1097 sym->strsize = _bfd_stringtab_size (strtab);
1098 sym->stroff = mdata->filelen;
1099 mdata->filelen += sym->strsize;
1101 if (_bfd_stringtab_emit (abfd, strtab) != TRUE)
1103 _bfd_stringtab_free (strtab);
1106 bfd_h_put_32 (abfd, sym->symoff, buf);
1107 bfd_h_put_32 (abfd, sym->nsyms, buf + 4);
1108 bfd_h_put_32 (abfd, sym->stroff, buf + 8);
1109 bfd_h_put_32 (abfd, sym->strsize, buf + 12);
1111 if (bfd_seek (abfd, command->offset + 8, SEEK_SET) != 0
1112 || bfd_bwrite ((void *) buf, 16, abfd) != 16)
1118 _bfd_stringtab_free (strtab);
1122 /* Process the symbols and generate Mach-O specific fields.
1126 bfd_mach_o_mangle_symbols (bfd *abfd)
1129 asymbol **symbols = bfd_get_outsymbols (abfd);
1131 for (i = 0; i < bfd_get_symcount (abfd); i++)
1133 bfd_mach_o_asymbol *s = (bfd_mach_o_asymbol *)symbols[i];
1135 if (s->n_type == BFD_MACH_O_N_UNDF && !(s->symbol.flags & BSF_DEBUGGING))
1137 /* As genuine Mach-O symbols type shouldn't be N_UNDF (undefined
1138 symbols should be N_UNDEF | N_EXT), we suppose the back-end
1139 values haven't been set. */
1140 if (s->symbol.section == bfd_abs_section_ptr)
1141 s->n_type = BFD_MACH_O_N_ABS;
1142 else if (s->symbol.section == bfd_und_section_ptr)
1144 s->n_type = BFD_MACH_O_N_UNDF;
1145 if (s->symbol.flags & BSF_WEAK)
1146 s->n_desc |= BFD_MACH_O_N_WEAK_REF;
1148 else if (s->symbol.section == bfd_com_section_ptr)
1149 s->n_type = BFD_MACH_O_N_UNDF | BFD_MACH_O_N_EXT;
1151 s->n_type = BFD_MACH_O_N_SECT;
1153 if (s->symbol.flags & BSF_GLOBAL)
1154 s->n_type |= BFD_MACH_O_N_EXT;
1157 /* Compute section index. */
1158 if (s->symbol.section != bfd_abs_section_ptr
1159 && s->symbol.section != bfd_und_section_ptr
1160 && s->symbol.section != bfd_com_section_ptr)
1161 s->n_sect = s->symbol.section->target_index;
1163 /* Number symbols. */
1164 s->symbol.udata.i = i;
1170 bfd_mach_o_write_contents (bfd *abfd)
1173 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
1175 if (mdata->header.ncmds == 0)
1176 if (!bfd_mach_o_build_commands (abfd))
1179 /* Now write header information. */
1180 if (mdata->header.filetype == 0)
1182 if (abfd->flags & EXEC_P)
1183 mdata->header.filetype = BFD_MACH_O_MH_EXECUTE;
1184 else if (abfd->flags & DYNAMIC)
1185 mdata->header.filetype = BFD_MACH_O_MH_DYLIB;
1187 mdata->header.filetype = BFD_MACH_O_MH_OBJECT;
1189 if (!bfd_mach_o_write_header (abfd, &mdata->header))
1192 /* Assign a number to each symbols. */
1193 if (!bfd_mach_o_mangle_symbols (abfd))
1196 for (i = 0; i < mdata->header.ncmds; i++)
1198 unsigned char buf[8];
1199 bfd_mach_o_load_command *cur = &mdata->commands[i];
1200 unsigned long typeflag;
1202 typeflag = cur->type | (cur->type_required ? BFD_MACH_O_LC_REQ_DYLD : 0);
1204 bfd_h_put_32 (abfd, typeflag, buf);
1205 bfd_h_put_32 (abfd, cur->len, buf + 4);
1207 if (bfd_seek (abfd, cur->offset, SEEK_SET) != 0
1208 || bfd_bwrite ((void *) buf, 8, abfd) != 8)
1213 case BFD_MACH_O_LC_SEGMENT:
1214 if (bfd_mach_o_write_segment_32 (abfd, cur) != 0)
1217 case BFD_MACH_O_LC_SEGMENT_64:
1218 if (bfd_mach_o_write_segment_64 (abfd, cur) != 0)
1221 case BFD_MACH_O_LC_SYMTAB:
1222 if (!bfd_mach_o_write_symtab (abfd, cur))
1225 case BFD_MACH_O_LC_SYMSEG:
1227 case BFD_MACH_O_LC_THREAD:
1228 case BFD_MACH_O_LC_UNIXTHREAD:
1229 if (bfd_mach_o_write_thread (abfd, cur) != 0)
1232 case BFD_MACH_O_LC_LOADFVMLIB:
1233 case BFD_MACH_O_LC_IDFVMLIB:
1234 case BFD_MACH_O_LC_IDENT:
1235 case BFD_MACH_O_LC_FVMFILE:
1236 case BFD_MACH_O_LC_PREPAGE:
1237 case BFD_MACH_O_LC_DYSYMTAB:
1238 case BFD_MACH_O_LC_LOAD_DYLIB:
1239 case BFD_MACH_O_LC_LOAD_WEAK_DYLIB:
1240 case BFD_MACH_O_LC_ID_DYLIB:
1241 case BFD_MACH_O_LC_REEXPORT_DYLIB:
1242 case BFD_MACH_O_LC_LOAD_DYLINKER:
1243 case BFD_MACH_O_LC_ID_DYLINKER:
1244 case BFD_MACH_O_LC_PREBOUND_DYLIB:
1245 case BFD_MACH_O_LC_ROUTINES:
1246 case BFD_MACH_O_LC_SUB_FRAMEWORK:
1250 "unable to write unknown load command 0x%lx\n",
1251 (unsigned long) cur->type);
1259 /* Build Mach-O load commands from the sections. */
1262 bfd_mach_o_build_commands (bfd *abfd)
1264 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
1265 unsigned int wide = mach_o_wide_p (&mdata->header);
1266 bfd_mach_o_segment_command *seg;
1267 bfd_mach_o_section *sections;
1269 bfd_mach_o_load_command *cmd;
1270 bfd_mach_o_load_command *symtab_cmd;
1273 /* Return now if commands are already built. */
1274 if (mdata->header.ncmds)
1277 /* Very simple version: 1 command (segment) containing all sections. */
1278 mdata->header.ncmds = 2;
1279 mdata->commands = bfd_alloc (abfd, mdata->header.ncmds
1280 * sizeof (bfd_mach_o_load_command));
1281 if (mdata->commands == NULL)
1283 cmd = &mdata->commands[0];
1284 seg = &cmd->command.segment;
1286 seg->nsects = bfd_count_sections (abfd);
1287 sections = bfd_alloc (abfd, seg->nsects * sizeof (bfd_mach_o_section));
1288 if (sections == NULL)
1290 seg->sections = sections;
1292 /* Set segment command. */
1295 cmd->type = BFD_MACH_O_LC_SEGMENT_64;
1296 cmd->offset = BFD_MACH_O_HEADER_64_SIZE;
1297 cmd->len = BFD_MACH_O_LC_SEGMENT_64_SIZE
1298 + BFD_MACH_O_SECTION_64_SIZE * seg->nsects;
1302 cmd->type = BFD_MACH_O_LC_SEGMENT;
1303 cmd->offset = BFD_MACH_O_HEADER_SIZE;
1304 cmd->len = BFD_MACH_O_LC_SEGMENT_SIZE
1305 + BFD_MACH_O_SECTION_SIZE * seg->nsects;
1307 cmd->type_required = FALSE;
1308 mdata->header.sizeofcmds = cmd->len;
1309 mdata->filelen = cmd->offset + cmd->len;
1311 /* Set symtab command. */
1312 symtab_cmd = &mdata->commands[1];
1314 symtab_cmd->type = BFD_MACH_O_LC_SYMTAB;
1315 symtab_cmd->offset = cmd->offset + cmd->len;
1316 symtab_cmd->len = 6 * 4;
1317 symtab_cmd->type_required = FALSE;
1319 mdata->header.sizeofcmds += symtab_cmd->len;
1320 mdata->filelen += symtab_cmd->len;
1322 /* Fill segment command. */
1323 memset (seg->segname, 0, sizeof (seg->segname));
1325 seg->fileoff = mdata->filelen;
1327 seg->maxprot = BFD_MACH_O_PROT_READ | BFD_MACH_O_PROT_WRITE
1328 | BFD_MACH_O_PROT_EXECUTE;
1329 seg->initprot = seg->maxprot;
1332 /* Create Mach-O sections. */
1334 for (sec = abfd->sections; sec; sec = sec->next)
1336 sections->bfdsection = sec;
1337 bfd_mach_o_convert_section_name_to_mach_o (abfd, sec, sections);
1338 sections->addr = bfd_get_section_vma (abfd, sec);
1339 sections->size = bfd_get_section_size (sec);
1340 sections->align = bfd_get_section_alignment (abfd, sec);
1342 if (sections->size != 0)
1344 mdata->filelen = FILE_ALIGN (mdata->filelen, sections->align);
1345 sections->offset = mdata->filelen;
1348 sections->offset = 0;
1349 sections->reloff = 0;
1350 sections->nreloc = 0;
1351 sections->reserved1 = 0;
1352 sections->reserved2 = 0;
1353 sections->reserved3 = 0;
1355 sec->filepos = sections->offset;
1356 sec->target_index = ++target_index;
1358 mdata->filelen += sections->size;
1361 seg->filesize = mdata->filelen - seg->fileoff;
1362 seg->vmsize = seg->filesize;
1367 /* Set the contents of a section. */
1370 bfd_mach_o_set_section_contents (bfd *abfd,
1372 const void * location,
1374 bfd_size_type count)
1378 /* This must be done first, because bfd_set_section_contents is
1379 going to set output_has_begun to TRUE. */
1380 if (! abfd->output_has_begun && ! bfd_mach_o_build_commands (abfd))
1386 pos = section->filepos + offset;
1387 if (bfd_seek (abfd, pos, SEEK_SET) != 0
1388 || bfd_bwrite (location, count, abfd) != count)
1395 bfd_mach_o_sizeof_headers (bfd *a ATTRIBUTE_UNUSED,
1396 struct bfd_link_info *info ATTRIBUTE_UNUSED)
1401 /* Make an empty symbol. This is required only because
1402 bfd_make_section_anyway wants to create a symbol for the section. */
1405 bfd_mach_o_make_empty_symbol (bfd *abfd)
1407 asymbol *new_symbol;
1409 new_symbol = bfd_zalloc (abfd, sizeof (bfd_mach_o_asymbol));
1410 if (new_symbol == NULL)
1412 new_symbol->the_bfd = abfd;
1413 new_symbol->udata.i = 0;
1418 bfd_mach_o_read_header (bfd *abfd, bfd_mach_o_header *header)
1420 unsigned char buf[32];
1422 bfd_vma (*get32) (const void *) = NULL;
1424 /* Just read the magic number. */
1425 if (bfd_seek (abfd, 0, SEEK_SET) != 0
1426 || bfd_bread ((void *) buf, 4, abfd) != 4)
1429 if (bfd_getb32 (buf) == BFD_MACH_O_MH_MAGIC)
1431 header->byteorder = BFD_ENDIAN_BIG;
1432 header->magic = BFD_MACH_O_MH_MAGIC;
1433 header->version = 1;
1436 else if (bfd_getl32 (buf) == BFD_MACH_O_MH_MAGIC)
1438 header->byteorder = BFD_ENDIAN_LITTLE;
1439 header->magic = BFD_MACH_O_MH_MAGIC;
1440 header->version = 1;
1443 else if (bfd_getb32 (buf) == BFD_MACH_O_MH_MAGIC_64)
1445 header->byteorder = BFD_ENDIAN_BIG;
1446 header->magic = BFD_MACH_O_MH_MAGIC_64;
1447 header->version = 2;
1450 else if (bfd_getl32 (buf) == BFD_MACH_O_MH_MAGIC_64)
1452 header->byteorder = BFD_ENDIAN_LITTLE;
1453 header->magic = BFD_MACH_O_MH_MAGIC_64;
1454 header->version = 2;
1459 header->byteorder = BFD_ENDIAN_UNKNOWN;
1463 /* Once the size of the header is known, read the full header. */
1464 size = mach_o_wide_p (header) ?
1465 BFD_MACH_O_HEADER_64_SIZE : BFD_MACH_O_HEADER_SIZE;
1467 if (bfd_seek (abfd, 0, SEEK_SET) != 0
1468 || bfd_bread ((void *) buf, size, abfd) != size)
1471 header->cputype = (*get32) (buf + 4);
1472 header->cpusubtype = (*get32) (buf + 8);
1473 header->filetype = (*get32) (buf + 12);
1474 header->ncmds = (*get32) (buf + 16);
1475 header->sizeofcmds = (*get32) (buf + 20);
1476 header->flags = (*get32) (buf + 24);
1478 if (mach_o_wide_p (header))
1479 header->reserved = (*get32) (buf + 28);
1485 bfd_mach_o_make_bfd_section (bfd *abfd, bfd_mach_o_section *section,
1492 bfd_mach_o_convert_section_name_to_bfd (abfd, section, &sname, &flags);
1496 if (flags == SEC_NO_FLAGS)
1498 /* Try to guess flags. */
1499 if (section->flags & BFD_MACH_O_S_ATTR_DEBUG)
1500 flags = SEC_DEBUGGING;
1504 if ((section->flags & BFD_MACH_O_SECTION_TYPE_MASK)
1505 != BFD_MACH_O_S_ZEROFILL)
1508 if (prot & BFD_MACH_O_PROT_EXECUTE)
1510 if (prot & BFD_MACH_O_PROT_WRITE)
1512 else if (prot & BFD_MACH_O_PROT_READ)
1513 flags |= SEC_READONLY;
1519 if ((flags & SEC_DEBUGGING) == 0)
1523 if (section->offset != 0)
1524 flags |= SEC_HAS_CONTENTS;
1525 if (section->nreloc != 0)
1528 bfdsec = bfd_make_section_anyway_with_flags (abfd, sname, flags);
1532 bfdsec->vma = section->addr;
1533 bfdsec->lma = section->addr;
1534 bfdsec->size = section->size;
1535 bfdsec->filepos = section->offset;
1536 bfdsec->alignment_power = section->align;
1537 bfdsec->segment_mark = 0;
1538 bfdsec->reloc_count = section->nreloc;
1539 bfdsec->rel_filepos = section->reloff;
1545 bfd_mach_o_read_section_32 (bfd *abfd,
1546 bfd_mach_o_section *section,
1547 unsigned int offset,
1550 unsigned char buf[BFD_MACH_O_SECTION_SIZE];
1552 if (bfd_seek (abfd, offset, SEEK_SET) != 0
1553 || (bfd_bread ((void *) buf, BFD_MACH_O_SECTION_SIZE, abfd)
1554 != BFD_MACH_O_SECTION_SIZE))
1557 memcpy (section->sectname, buf, 16);
1558 section->sectname[16] = '\0';
1559 memcpy (section->segname, buf + 16, 16);
1560 section->segname[16] = '\0';
1561 section->addr = bfd_h_get_32 (abfd, buf + 32);
1562 section->size = bfd_h_get_32 (abfd, buf + 36);
1563 section->offset = bfd_h_get_32 (abfd, buf + 40);
1564 section->align = bfd_h_get_32 (abfd, buf + 44);
1565 section->reloff = bfd_h_get_32 (abfd, buf + 48);
1566 section->nreloc = bfd_h_get_32 (abfd, buf + 52);
1567 section->flags = bfd_h_get_32 (abfd, buf + 56);
1568 section->reserved1 = bfd_h_get_32 (abfd, buf + 60);
1569 section->reserved2 = bfd_h_get_32 (abfd, buf + 64);
1570 section->reserved3 = 0;
1571 section->bfdsection = bfd_mach_o_make_bfd_section (abfd, section, prot);
1573 if (section->bfdsection == NULL)
1580 bfd_mach_o_read_section_64 (bfd *abfd,
1581 bfd_mach_o_section *section,
1582 unsigned int offset,
1585 unsigned char buf[BFD_MACH_O_SECTION_64_SIZE];
1587 if (bfd_seek (abfd, offset, SEEK_SET) != 0
1588 || (bfd_bread ((void *) buf, BFD_MACH_O_SECTION_64_SIZE, abfd)
1589 != BFD_MACH_O_SECTION_64_SIZE))
1592 memcpy (section->sectname, buf, 16);
1593 section->sectname[16] = '\0';
1594 memcpy (section->segname, buf + 16, 16);
1595 section->segname[16] = '\0';
1596 section->addr = bfd_h_get_64 (abfd, buf + 32);
1597 section->size = bfd_h_get_64 (abfd, buf + 40);
1598 section->offset = bfd_h_get_32 (abfd, buf + 48);
1599 section->align = bfd_h_get_32 (abfd, buf + 52);
1600 section->reloff = bfd_h_get_32 (abfd, buf + 56);
1601 section->nreloc = bfd_h_get_32 (abfd, buf + 60);
1602 section->flags = bfd_h_get_32 (abfd, buf + 64);
1603 section->reserved1 = bfd_h_get_32 (abfd, buf + 68);
1604 section->reserved2 = bfd_h_get_32 (abfd, buf + 72);
1605 section->reserved3 = bfd_h_get_32 (abfd, buf + 76);
1606 section->bfdsection = bfd_mach_o_make_bfd_section (abfd, section, prot);
1608 if (section->bfdsection == NULL)
1615 bfd_mach_o_read_section (bfd *abfd,
1616 bfd_mach_o_section *section,
1617 unsigned int offset,
1622 return bfd_mach_o_read_section_64 (abfd, section, offset, prot);
1624 return bfd_mach_o_read_section_32 (abfd, section, offset, prot);
1628 bfd_mach_o_read_symtab_symbol (bfd *abfd,
1629 bfd_mach_o_symtab_command *sym,
1630 bfd_mach_o_asymbol *s,
1633 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
1634 unsigned int wide = mach_o_wide_p (&mdata->header);
1635 unsigned int symwidth =
1636 wide ? BFD_MACH_O_NLIST_64_SIZE : BFD_MACH_O_NLIST_SIZE;
1637 unsigned int symoff = sym->symoff + (i * symwidth);
1638 unsigned char buf[16];
1639 unsigned char type = -1;
1640 unsigned char section = -1;
1642 symvalue value = -1;
1643 unsigned long stroff = -1;
1644 unsigned int symtype = -1;
1646 BFD_ASSERT (sym->strtab != NULL);
1648 if (bfd_seek (abfd, symoff, SEEK_SET) != 0
1649 || bfd_bread ((void *) buf, symwidth, abfd) != symwidth)
1651 fprintf (stderr, "bfd_mach_o_read_symtab_symbol: unable to read %d bytes at %lu\n",
1652 symwidth, (unsigned long) symoff);
1656 stroff = bfd_h_get_32 (abfd, buf);
1657 type = bfd_h_get_8 (abfd, buf + 4);
1658 symtype = type & BFD_MACH_O_N_TYPE;
1659 section = bfd_h_get_8 (abfd, buf + 5);
1660 desc = bfd_h_get_16 (abfd, buf + 6);
1662 value = bfd_h_get_64 (abfd, buf + 8);
1664 value = bfd_h_get_32 (abfd, buf + 8);
1666 if (stroff >= sym->strsize)
1668 fprintf (stderr, "bfd_mach_o_read_symtab_symbol: symbol name out of range (%lu >= %lu)\n",
1669 (unsigned long) stroff, (unsigned long) sym->strsize);
1673 s->symbol.the_bfd = abfd;
1674 s->symbol.name = sym->strtab + stroff;
1675 s->symbol.value = value;
1676 s->symbol.flags = 0x0;
1677 s->symbol.udata.i = 0;
1679 s->n_sect = section;
1682 if (type & BFD_MACH_O_N_STAB)
1684 s->symbol.flags |= BSF_DEBUGGING;
1685 s->symbol.section = bfd_und_section_ptr;
1697 if ((section > 0) && (section <= mdata->nsects))
1699 s->symbol.section = mdata->sections[section - 1]->bfdsection;
1701 s->symbol.value - mdata->sections[section - 1]->addr;
1708 if (type & BFD_MACH_O_N_PEXT)
1709 s->symbol.flags |= BSF_GLOBAL;
1711 if (type & BFD_MACH_O_N_EXT)
1712 s->symbol.flags |= BSF_GLOBAL;
1714 if (!(type & (BFD_MACH_O_N_PEXT | BFD_MACH_O_N_EXT)))
1715 s->symbol.flags |= BSF_LOCAL;
1719 case BFD_MACH_O_N_UNDF:
1720 if (type == (BFD_MACH_O_N_UNDF | BFD_MACH_O_N_EXT)
1721 && s->symbol.value != 0)
1723 /* A common symbol. */
1724 s->symbol.section = bfd_com_section_ptr;
1725 s->symbol.flags = BSF_NO_FLAGS;
1729 s->symbol.section = bfd_und_section_ptr;
1730 if (s->n_desc & BFD_MACH_O_N_WEAK_REF)
1731 s->symbol.flags |= BSF_WEAK;
1734 case BFD_MACH_O_N_PBUD:
1735 s->symbol.section = bfd_und_section_ptr;
1737 case BFD_MACH_O_N_ABS:
1738 s->symbol.section = bfd_abs_section_ptr;
1740 case BFD_MACH_O_N_SECT:
1741 if ((section > 0) && (section <= mdata->nsects))
1743 s->symbol.section = mdata->sections[section - 1]->bfdsection;
1745 s->symbol.value - mdata->sections[section - 1]->addr;
1749 /* Mach-O uses 0 to mean "no section"; not an error. */
1752 fprintf (stderr, "bfd_mach_o_read_symtab_symbol: "
1753 "symbol \"%s\" specified invalid section %d (max %lu): setting to undefined\n",
1754 s->symbol.name, section, mdata->nsects);
1756 s->symbol.section = bfd_und_section_ptr;
1759 case BFD_MACH_O_N_INDR:
1760 fprintf (stderr, "bfd_mach_o_read_symtab_symbol: "
1761 "symbol \"%s\" is unsupported 'indirect' reference: setting to undefined\n",
1763 s->symbol.section = bfd_und_section_ptr;
1766 fprintf (stderr, "bfd_mach_o_read_symtab_symbol: "
1767 "symbol \"%s\" specified invalid type field 0x%x: setting to undefined\n",
1768 s->symbol.name, symtype);
1769 s->symbol.section = bfd_und_section_ptr;
1778 bfd_mach_o_read_symtab_strtab (bfd *abfd)
1780 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
1781 bfd_mach_o_symtab_command *sym = mdata->symtab;
1783 /* Fail if there is no symtab. */
1787 /* Success if already loaded. */
1791 if (abfd->flags & BFD_IN_MEMORY)
1793 struct bfd_in_memory *b;
1795 b = (struct bfd_in_memory *) abfd->iostream;
1797 if ((sym->stroff + sym->strsize) > b->size)
1799 bfd_set_error (bfd_error_file_truncated);
1802 sym->strtab = (char *) b->buffer + sym->stroff;
1806 sym->strtab = bfd_alloc (abfd, sym->strsize);
1807 if (sym->strtab == NULL)
1810 if (bfd_seek (abfd, sym->stroff, SEEK_SET) != 0
1811 || bfd_bread ((void *) sym->strtab, sym->strsize, abfd) != sym->strsize)
1813 bfd_set_error (bfd_error_file_truncated);
1822 bfd_mach_o_read_symtab_symbols (bfd *abfd)
1824 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
1825 bfd_mach_o_symtab_command *sym = mdata->symtab;
1832 sym->symbols = bfd_alloc (abfd, sym->nsyms * sizeof (bfd_mach_o_asymbol));
1834 if (sym->symbols == NULL)
1836 fprintf (stderr, "bfd_mach_o_read_symtab_symbols: unable to allocate memory for symbols\n");
1840 ret = bfd_mach_o_read_symtab_strtab (abfd);
1844 for (i = 0; i < sym->nsyms; i++)
1846 ret = bfd_mach_o_read_symtab_symbol (abfd, sym, &sym->symbols[i], i);
1855 bfd_mach_o_read_dysymtab_symbol (bfd *abfd,
1856 bfd_mach_o_dysymtab_command *dysym,
1857 bfd_mach_o_symtab_command *sym,
1858 bfd_mach_o_asymbol *s,
1861 unsigned long isymoff = dysym->indirectsymoff + (i * 4);
1862 unsigned long sym_index;
1863 unsigned char buf[4];
1865 BFD_ASSERT (i < dysym->nindirectsyms);
1867 if (bfd_seek (abfd, isymoff, SEEK_SET) != 0
1868 || bfd_bread ((void *) buf, 4, abfd) != 4)
1870 fprintf (stderr, "bfd_mach_o_read_dysymtab_symbol: unable to read %lu bytes at %lu\n",
1871 (unsigned long) 4, isymoff);
1874 sym_index = bfd_h_get_32 (abfd, buf);
1876 return bfd_mach_o_read_symtab_symbol (abfd, sym, s, sym_index);
1880 bfd_mach_o_i386_flavour_string (unsigned int flavour)
1882 switch ((int) flavour)
1884 case BFD_MACH_O_x86_THREAD_STATE32: return "x86_THREAD_STATE32";
1885 case BFD_MACH_O_x86_FLOAT_STATE32: return "x86_FLOAT_STATE32";
1886 case BFD_MACH_O_x86_EXCEPTION_STATE32: return "x86_EXCEPTION_STATE32";
1887 case BFD_MACH_O_x86_THREAD_STATE64: return "x86_THREAD_STATE64";
1888 case BFD_MACH_O_x86_FLOAT_STATE64: return "x86_FLOAT_STATE64";
1889 case BFD_MACH_O_x86_EXCEPTION_STATE64: return "x86_EXCEPTION_STATE64";
1890 case BFD_MACH_O_x86_THREAD_STATE: return "x86_THREAD_STATE";
1891 case BFD_MACH_O_x86_FLOAT_STATE: return "x86_FLOAT_STATE";
1892 case BFD_MACH_O_x86_EXCEPTION_STATE: return "x86_EXCEPTION_STATE";
1893 case BFD_MACH_O_x86_DEBUG_STATE32: return "x86_DEBUG_STATE32";
1894 case BFD_MACH_O_x86_DEBUG_STATE64: return "x86_DEBUG_STATE64";
1895 case BFD_MACH_O_x86_DEBUG_STATE: return "x86_DEBUG_STATE";
1896 case BFD_MACH_O_x86_THREAD_STATE_NONE: return "x86_THREAD_STATE_NONE";
1897 default: return "UNKNOWN";
1902 bfd_mach_o_ppc_flavour_string (unsigned int flavour)
1904 switch ((int) flavour)
1906 case BFD_MACH_O_PPC_THREAD_STATE: return "PPC_THREAD_STATE";
1907 case BFD_MACH_O_PPC_FLOAT_STATE: return "PPC_FLOAT_STATE";
1908 case BFD_MACH_O_PPC_EXCEPTION_STATE: return "PPC_EXCEPTION_STATE";
1909 case BFD_MACH_O_PPC_VECTOR_STATE: return "PPC_VECTOR_STATE";
1910 case BFD_MACH_O_PPC_THREAD_STATE64: return "PPC_THREAD_STATE64";
1911 case BFD_MACH_O_PPC_EXCEPTION_STATE64: return "PPC_EXCEPTION_STATE64";
1912 default: return "UNKNOWN";
1917 bfd_mach_o_read_dylinker (bfd *abfd, bfd_mach_o_load_command *command)
1919 bfd_mach_o_dylinker_command *cmd = &command->command.dylinker;
1920 unsigned char buf[4];
1921 unsigned int nameoff;
1923 BFD_ASSERT ((command->type == BFD_MACH_O_LC_ID_DYLINKER)
1924 || (command->type == BFD_MACH_O_LC_LOAD_DYLINKER));
1926 if (bfd_seek (abfd, command->offset + 8, SEEK_SET) != 0
1927 || bfd_bread ((void *) buf, 4, abfd) != 4)
1930 nameoff = bfd_h_get_32 (abfd, buf + 0);
1932 cmd->name_offset = command->offset + nameoff;
1933 cmd->name_len = command->len - nameoff;
1934 cmd->name_str = bfd_alloc (abfd, cmd->name_len);
1935 if (cmd->name_str == NULL)
1937 if (bfd_seek (abfd, cmd->name_offset, SEEK_SET) != 0
1938 || bfd_bread (cmd->name_str, cmd->name_len, abfd) != cmd->name_len)
1944 bfd_mach_o_read_dylib (bfd *abfd, bfd_mach_o_load_command *command)
1946 bfd_mach_o_dylib_command *cmd = &command->command.dylib;
1947 unsigned char buf[16];
1948 unsigned int nameoff;
1950 switch (command->type)
1952 case BFD_MACH_O_LC_LOAD_DYLIB:
1953 case BFD_MACH_O_LC_LOAD_WEAK_DYLIB:
1954 case BFD_MACH_O_LC_ID_DYLIB:
1955 case BFD_MACH_O_LC_REEXPORT_DYLIB:
1962 if (bfd_seek (abfd, command->offset + 8, SEEK_SET) != 0
1963 || bfd_bread ((void *) buf, 16, abfd) != 16)
1966 nameoff = bfd_h_get_32 (abfd, buf + 0);
1967 cmd->timestamp = bfd_h_get_32 (abfd, buf + 4);
1968 cmd->current_version = bfd_h_get_32 (abfd, buf + 8);
1969 cmd->compatibility_version = bfd_h_get_32 (abfd, buf + 12);
1971 cmd->name_offset = command->offset + nameoff;
1972 cmd->name_len = command->len - nameoff;
1973 cmd->name_str = bfd_alloc (abfd, cmd->name_len);
1974 if (cmd->name_str == NULL)
1976 if (bfd_seek (abfd, cmd->name_offset, SEEK_SET) != 0
1977 || bfd_bread (cmd->name_str, cmd->name_len, abfd) != cmd->name_len)
1983 bfd_mach_o_read_prebound_dylib (bfd *abfd ATTRIBUTE_UNUSED,
1984 bfd_mach_o_load_command *command ATTRIBUTE_UNUSED)
1986 /* bfd_mach_o_prebound_dylib_command *cmd = &command->command.prebound_dylib; */
1988 BFD_ASSERT (command->type == BFD_MACH_O_LC_PREBOUND_DYLIB);
1993 bfd_mach_o_read_thread (bfd *abfd, bfd_mach_o_load_command *command)
1995 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
1996 bfd_mach_o_thread_command *cmd = &command->command.thread;
1997 unsigned char buf[8];
1998 unsigned int offset;
1999 unsigned int nflavours;
2002 BFD_ASSERT ((command->type == BFD_MACH_O_LC_THREAD)
2003 || (command->type == BFD_MACH_O_LC_UNIXTHREAD));
2005 /* Count the number of threads. */
2008 while (offset != command->len)
2010 if (offset >= command->len)
2013 if (bfd_seek (abfd, command->offset + offset, SEEK_SET) != 0
2014 || bfd_bread ((void *) buf, 8, abfd) != 8)
2017 offset += 8 + bfd_h_get_32 (abfd, buf + 4) * 4;
2021 /* Allocate threads. */
2022 cmd->flavours = bfd_alloc
2023 (abfd, nflavours * sizeof (bfd_mach_o_thread_flavour));
2024 if (cmd->flavours == NULL)
2026 cmd->nflavours = nflavours;
2030 while (offset != command->len)
2032 if (offset >= command->len)
2035 if (nflavours >= cmd->nflavours)
2038 if (bfd_seek (abfd, command->offset + offset, SEEK_SET) != 0
2039 || bfd_bread ((void *) buf, 8, abfd) != 8)
2042 cmd->flavours[nflavours].flavour = bfd_h_get_32 (abfd, buf);
2043 cmd->flavours[nflavours].offset = command->offset + offset + 8;
2044 cmd->flavours[nflavours].size = bfd_h_get_32 (abfd, buf + 4) * 4;
2045 offset += cmd->flavours[nflavours].size + 8;
2049 for (i = 0; i < nflavours; i++)
2052 unsigned int snamelen;
2054 const char *flavourstr;
2055 const char *prefix = "LC_THREAD";
2058 switch (mdata->header.cputype)
2060 case BFD_MACH_O_CPU_TYPE_POWERPC:
2061 case BFD_MACH_O_CPU_TYPE_POWERPC_64:
2062 flavourstr = bfd_mach_o_ppc_flavour_string (cmd->flavours[i].flavour);
2064 case BFD_MACH_O_CPU_TYPE_I386:
2065 case BFD_MACH_O_CPU_TYPE_X86_64:
2066 flavourstr = bfd_mach_o_i386_flavour_string (cmd->flavours[i].flavour);
2069 flavourstr = "UNKNOWN_ARCHITECTURE";
2073 snamelen = strlen (prefix) + 1 + 20 + 1 + strlen (flavourstr) + 1;
2074 sname = bfd_alloc (abfd, snamelen);
2080 sprintf (sname, "%s.%s.%u", prefix, flavourstr, j);
2081 if (bfd_get_section_by_name (abfd, sname) == NULL)
2086 bfdsec = bfd_make_section_with_flags (abfd, sname, SEC_HAS_CONTENTS);
2090 bfdsec->size = cmd->flavours[i].size;
2091 bfdsec->filepos = cmd->flavours[i].offset;
2092 bfdsec->alignment_power = 0x0;
2094 cmd->section = bfdsec;
2101 bfd_mach_o_read_dysymtab (bfd *abfd, bfd_mach_o_load_command *command)
2103 bfd_mach_o_dysymtab_command *cmd = &command->command.dysymtab;
2104 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
2105 unsigned char buf[72];
2107 BFD_ASSERT (command->type == BFD_MACH_O_LC_DYSYMTAB);
2109 if (bfd_seek (abfd, command->offset + 8, SEEK_SET) != 0
2110 || bfd_bread ((void *) buf, 72, abfd) != 72)
2113 cmd->ilocalsym = bfd_h_get_32 (abfd, buf + 0);
2114 cmd->nlocalsym = bfd_h_get_32 (abfd, buf + 4);
2115 cmd->iextdefsym = bfd_h_get_32 (abfd, buf + 8);
2116 cmd->nextdefsym = bfd_h_get_32 (abfd, buf + 12);
2117 cmd->iundefsym = bfd_h_get_32 (abfd, buf + 16);
2118 cmd->nundefsym = bfd_h_get_32 (abfd, buf + 20);
2119 cmd->tocoff = bfd_h_get_32 (abfd, buf + 24);
2120 cmd->ntoc = bfd_h_get_32 (abfd, buf + 28);
2121 cmd->modtaboff = bfd_h_get_32 (abfd, buf + 32);
2122 cmd->nmodtab = bfd_h_get_32 (abfd, buf + 36);
2123 cmd->extrefsymoff = bfd_h_get_32 (abfd, buf + 40);
2124 cmd->nextrefsyms = bfd_h_get_32 (abfd, buf + 44);
2125 cmd->indirectsymoff = bfd_h_get_32 (abfd, buf + 48);
2126 cmd->nindirectsyms = bfd_h_get_32 (abfd, buf + 52);
2127 cmd->extreloff = bfd_h_get_32 (abfd, buf + 56);
2128 cmd->nextrel = bfd_h_get_32 (abfd, buf + 60);
2129 cmd->locreloff = bfd_h_get_32 (abfd, buf + 64);
2130 cmd->nlocrel = bfd_h_get_32 (abfd, buf + 68);
2132 if (cmd->nmodtab != 0)
2135 int wide = bfd_mach_o_wide_p (abfd);
2136 unsigned int module_len = wide ? 56 : 52;
2139 bfd_alloc (abfd, cmd->nmodtab * sizeof (bfd_mach_o_dylib_module));
2140 if (cmd->dylib_module == NULL)
2143 if (bfd_seek (abfd, cmd->modtaboff, SEEK_SET) != 0)
2146 for (i = 0; i < cmd->nmodtab; i++)
2148 bfd_mach_o_dylib_module *module = &cmd->dylib_module[i];
2151 if (bfd_bread ((void *) buf, module_len, abfd) != module_len)
2154 module->module_name_idx = bfd_h_get_32 (abfd, buf + 0);
2155 module->iextdefsym = bfd_h_get_32 (abfd, buf + 4);
2156 module->nextdefsym = bfd_h_get_32 (abfd, buf + 8);
2157 module->irefsym = bfd_h_get_32 (abfd, buf + 12);
2158 module->nrefsym = bfd_h_get_32 (abfd, buf + 16);
2159 module->ilocalsym = bfd_h_get_32 (abfd, buf + 20);
2160 module->nlocalsym = bfd_h_get_32 (abfd, buf + 24);
2161 module->iextrel = bfd_h_get_32 (abfd, buf + 28);
2162 module->nextrel = bfd_h_get_32 (abfd, buf + 32);
2163 v = bfd_h_get_32 (abfd, buf +36);
2164 module->iinit = v & 0xffff;
2165 module->iterm = (v >> 16) & 0xffff;
2166 v = bfd_h_get_32 (abfd, buf + 40);
2167 module->ninit = v & 0xffff;
2168 module->nterm = (v >> 16) & 0xffff;
2171 module->objc_module_info_size = bfd_h_get_32 (abfd, buf + 44);
2172 module->objc_module_info_addr = bfd_h_get_64 (abfd, buf + 48);
2176 module->objc_module_info_addr = bfd_h_get_32 (abfd, buf + 44);
2177 module->objc_module_info_size = bfd_h_get_32 (abfd, buf + 48);
2186 cmd->dylib_toc = bfd_alloc
2187 (abfd, cmd->ntoc * sizeof (bfd_mach_o_dylib_table_of_content));
2188 if (cmd->dylib_toc == NULL)
2191 if (bfd_seek (abfd, cmd->tocoff, SEEK_SET) != 0)
2194 for (i = 0; i < cmd->ntoc; i++)
2196 bfd_mach_o_dylib_table_of_content *toc = &cmd->dylib_toc[i];
2198 if (bfd_bread ((void *) buf, 8, abfd) != 8)
2201 toc->symbol_index = bfd_h_get_32 (abfd, buf + 0);
2202 toc->module_index = bfd_h_get_32 (abfd, buf + 4);
2206 if (cmd->nindirectsyms != 0)
2210 cmd->indirect_syms = bfd_alloc
2211 (abfd, cmd->nindirectsyms * sizeof (unsigned int));
2212 if (cmd->indirect_syms == NULL)
2215 if (bfd_seek (abfd, cmd->indirectsymoff, SEEK_SET) != 0)
2218 for (i = 0; i < cmd->nindirectsyms; i++)
2220 unsigned int *is = &cmd->indirect_syms[i];
2222 if (bfd_bread ((void *) buf, 4, abfd) != 4)
2225 *is = bfd_h_get_32 (abfd, buf + 0);
2229 if (cmd->nextrefsyms != 0)
2234 cmd->ext_refs = bfd_alloc
2235 (abfd, cmd->nextrefsyms * sizeof (bfd_mach_o_dylib_reference));
2236 if (cmd->ext_refs == NULL)
2239 if (bfd_seek (abfd, cmd->extrefsymoff, SEEK_SET) != 0)
2242 for (i = 0; i < cmd->nextrefsyms; i++)
2244 bfd_mach_o_dylib_reference *ref = &cmd->ext_refs[i];
2246 if (bfd_bread ((void *) buf, 4, abfd) != 4)
2249 /* Fields isym and flags are written as bit-fields, thus we need
2250 a specific processing for endianness. */
2251 v = bfd_h_get_32 (abfd, buf + 0);
2252 if (bfd_big_endian (abfd))
2254 ref->isym = (v >> 8) & 0xffffff;
2255 ref->flags = v & 0xff;
2259 ref->isym = v & 0xffffff;
2260 ref->flags = (v >> 24) & 0xff;
2265 if (mdata->dysymtab)
2267 mdata->dysymtab = cmd;
2273 bfd_mach_o_read_symtab (bfd *abfd, bfd_mach_o_load_command *command)
2275 bfd_mach_o_symtab_command *symtab = &command->command.symtab;
2276 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
2277 unsigned char buf[16];
2279 BFD_ASSERT (command->type == BFD_MACH_O_LC_SYMTAB);
2281 if (bfd_seek (abfd, command->offset + 8, SEEK_SET) != 0
2282 || bfd_bread ((void *) buf, 16, abfd) != 16)
2285 symtab->symoff = bfd_h_get_32 (abfd, buf);
2286 symtab->nsyms = bfd_h_get_32 (abfd, buf + 4);
2287 symtab->stroff = bfd_h_get_32 (abfd, buf + 8);
2288 symtab->strsize = bfd_h_get_32 (abfd, buf + 12);
2289 symtab->symbols = NULL;
2290 symtab->strtab = NULL;
2292 if (symtab->nsyms != 0)
2293 abfd->flags |= HAS_SYMS;
2297 mdata->symtab = symtab;
2302 bfd_mach_o_read_uuid (bfd *abfd, bfd_mach_o_load_command *command)
2304 bfd_mach_o_uuid_command *cmd = &command->command.uuid;
2306 BFD_ASSERT (command->type == BFD_MACH_O_LC_UUID);
2308 if (bfd_seek (abfd, command->offset + 8, SEEK_SET) != 0
2309 || bfd_bread ((void *) cmd->uuid, 16, abfd) != 16)
2316 bfd_mach_o_read_linkedit (bfd *abfd, bfd_mach_o_load_command *command)
2318 bfd_mach_o_linkedit_command *cmd = &command->command.linkedit;
2321 if (bfd_seek (abfd, command->offset + 8, SEEK_SET) != 0
2322 || bfd_bread ((void *) buf, 8, abfd) != 8)
2325 cmd->dataoff = bfd_get_32 (abfd, buf + 0);
2326 cmd->datasize = bfd_get_32 (abfd, buf + 4);
2331 bfd_mach_o_read_str (bfd *abfd, bfd_mach_o_load_command *command)
2333 bfd_mach_o_str_command *cmd = &command->command.str;
2337 if (bfd_seek (abfd, command->offset + 8, SEEK_SET) != 0
2338 || bfd_bread ((void *) buf, 4, abfd) != 4)
2341 off = bfd_get_32 (abfd, buf + 0);
2342 cmd->stroff = command->offset + off;
2343 cmd->str_len = command->len - off;
2344 cmd->str = bfd_alloc (abfd, cmd->str_len);
2345 if (cmd->str == NULL)
2347 if (bfd_seek (abfd, cmd->stroff, SEEK_SET) != 0
2348 || bfd_bread ((void *) cmd->str, cmd->str_len, abfd) != cmd->str_len)
2354 bfd_mach_o_read_dyld_info (bfd *abfd, bfd_mach_o_load_command *command)
2356 bfd_mach_o_dyld_info_command *cmd = &command->command.dyld_info;
2359 if (bfd_seek (abfd, command->offset + 8, SEEK_SET) != 0
2360 || bfd_bread ((void *) buf, sizeof (buf), abfd) != sizeof (buf))
2363 cmd->rebase_off = bfd_get_32 (abfd, buf + 0);
2364 cmd->rebase_size = bfd_get_32 (abfd, buf + 4);
2365 cmd->bind_off = bfd_get_32 (abfd, buf + 8);
2366 cmd->bind_size = bfd_get_32 (abfd, buf + 12);
2367 cmd->weak_bind_off = bfd_get_32 (abfd, buf + 16);
2368 cmd->weak_bind_size = bfd_get_32 (abfd, buf + 20);
2369 cmd->lazy_bind_off = bfd_get_32 (abfd, buf + 24);
2370 cmd->lazy_bind_size = bfd_get_32 (abfd, buf + 28);
2371 cmd->export_off = bfd_get_32 (abfd, buf + 32);
2372 cmd->export_size = bfd_get_32 (abfd, buf + 36);
2377 bfd_mach_o_read_segment (bfd *abfd,
2378 bfd_mach_o_load_command *command,
2381 unsigned char buf[64];
2382 bfd_mach_o_segment_command *seg = &command->command.segment;
2387 BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT_64);
2389 if (bfd_seek (abfd, command->offset + 8, SEEK_SET) != 0
2390 || bfd_bread ((void *) buf, 64, abfd) != 64)
2393 memcpy (seg->segname, buf, 16);
2394 seg->segname[16] = '\0';
2396 seg->vmaddr = bfd_h_get_64 (abfd, buf + 16);
2397 seg->vmsize = bfd_h_get_64 (abfd, buf + 24);
2398 seg->fileoff = bfd_h_get_64 (abfd, buf + 32);
2399 seg->filesize = bfd_h_get_64 (abfd, buf + 40);
2400 seg->maxprot = bfd_h_get_32 (abfd, buf + 48);
2401 seg->initprot = bfd_h_get_32 (abfd, buf + 52);
2402 seg->nsects = bfd_h_get_32 (abfd, buf + 56);
2403 seg->flags = bfd_h_get_32 (abfd, buf + 60);
2407 BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT);
2409 if (bfd_seek (abfd, command->offset + 8, SEEK_SET) != 0
2410 || bfd_bread ((void *) buf, 48, abfd) != 48)
2413 memcpy (seg->segname, buf, 16);
2414 seg->segname[16] = '\0';
2416 seg->vmaddr = bfd_h_get_32 (abfd, buf + 16);
2417 seg->vmsize = bfd_h_get_32 (abfd, buf + 20);
2418 seg->fileoff = bfd_h_get_32 (abfd, buf + 24);
2419 seg->filesize = bfd_h_get_32 (abfd, buf + 28);
2420 seg->maxprot = bfd_h_get_32 (abfd, buf + 32);
2421 seg->initprot = bfd_h_get_32 (abfd, buf + 36);
2422 seg->nsects = bfd_h_get_32 (abfd, buf + 40);
2423 seg->flags = bfd_h_get_32 (abfd, buf + 44);
2426 if (seg->nsects != 0)
2428 seg->sections = bfd_alloc (abfd, seg->nsects
2429 * sizeof (bfd_mach_o_section));
2430 if (seg->sections == NULL)
2433 for (i = 0; i < seg->nsects; i++)
2437 segoff = command->offset + BFD_MACH_O_LC_SEGMENT_64_SIZE
2438 + (i * BFD_MACH_O_SECTION_64_SIZE);
2440 segoff = command->offset + BFD_MACH_O_LC_SEGMENT_SIZE
2441 + (i * BFD_MACH_O_SECTION_SIZE);
2443 if (bfd_mach_o_read_section
2444 (abfd, &seg->sections[i], segoff, seg->initprot, wide) != 0)
2453 bfd_mach_o_read_segment_32 (bfd *abfd, bfd_mach_o_load_command *command)
2455 return bfd_mach_o_read_segment (abfd, command, 0);
2459 bfd_mach_o_read_segment_64 (bfd *abfd, bfd_mach_o_load_command *command)
2461 return bfd_mach_o_read_segment (abfd, command, 1);
2465 bfd_mach_o_read_command (bfd *abfd, bfd_mach_o_load_command *command)
2467 unsigned char buf[8];
2469 /* Read command type and length. */
2470 if (bfd_seek (abfd, command->offset, SEEK_SET) != 0
2471 || bfd_bread ((void *) buf, 8, abfd) != 8)
2474 command->type = bfd_h_get_32 (abfd, buf) & ~BFD_MACH_O_LC_REQ_DYLD;
2475 command->type_required = (bfd_h_get_32 (abfd, buf) & BFD_MACH_O_LC_REQ_DYLD
2477 command->len = bfd_h_get_32 (abfd, buf + 4);
2479 switch (command->type)
2481 case BFD_MACH_O_LC_SEGMENT:
2482 if (bfd_mach_o_read_segment_32 (abfd, command) != 0)
2485 case BFD_MACH_O_LC_SEGMENT_64:
2486 if (bfd_mach_o_read_segment_64 (abfd, command) != 0)
2489 case BFD_MACH_O_LC_SYMTAB:
2490 if (bfd_mach_o_read_symtab (abfd, command) != 0)
2493 case BFD_MACH_O_LC_SYMSEG:
2495 case BFD_MACH_O_LC_THREAD:
2496 case BFD_MACH_O_LC_UNIXTHREAD:
2497 if (bfd_mach_o_read_thread (abfd, command) != 0)
2500 case BFD_MACH_O_LC_LOAD_DYLINKER:
2501 case BFD_MACH_O_LC_ID_DYLINKER:
2502 if (bfd_mach_o_read_dylinker (abfd, command) != 0)
2505 case BFD_MACH_O_LC_LOAD_DYLIB:
2506 case BFD_MACH_O_LC_ID_DYLIB:
2507 case BFD_MACH_O_LC_LOAD_WEAK_DYLIB:
2508 case BFD_MACH_O_LC_REEXPORT_DYLIB:
2509 if (bfd_mach_o_read_dylib (abfd, command) != 0)
2512 case BFD_MACH_O_LC_PREBOUND_DYLIB:
2513 if (bfd_mach_o_read_prebound_dylib (abfd, command) != 0)
2516 case BFD_MACH_O_LC_LOADFVMLIB:
2517 case BFD_MACH_O_LC_IDFVMLIB:
2518 case BFD_MACH_O_LC_IDENT:
2519 case BFD_MACH_O_LC_FVMFILE:
2520 case BFD_MACH_O_LC_PREPAGE:
2521 case BFD_MACH_O_LC_ROUTINES:
2523 case BFD_MACH_O_LC_SUB_FRAMEWORK:
2524 case BFD_MACH_O_LC_SUB_UMBRELLA:
2525 case BFD_MACH_O_LC_SUB_LIBRARY:
2526 case BFD_MACH_O_LC_SUB_CLIENT:
2527 case BFD_MACH_O_LC_RPATH:
2528 if (bfd_mach_o_read_str (abfd, command) != 0)
2531 case BFD_MACH_O_LC_DYSYMTAB:
2532 if (bfd_mach_o_read_dysymtab (abfd, command) != 0)
2535 case BFD_MACH_O_LC_TWOLEVEL_HINTS:
2536 case BFD_MACH_O_LC_PREBIND_CKSUM:
2538 case BFD_MACH_O_LC_UUID:
2539 if (bfd_mach_o_read_uuid (abfd, command) != 0)
2542 case BFD_MACH_O_LC_CODE_SIGNATURE:
2543 case BFD_MACH_O_LC_SEGMENT_SPLIT_INFO:
2544 if (bfd_mach_o_read_linkedit (abfd, command) != 0)
2547 case BFD_MACH_O_LC_DYLD_INFO:
2548 if (bfd_mach_o_read_dyld_info (abfd, command) != 0)
2552 fprintf (stderr, "unable to read unknown load command 0x%lx\n",
2553 (unsigned long) command->type);
2561 bfd_mach_o_flatten_sections (bfd *abfd)
2563 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
2567 /* Count total number of sections. */
2570 for (i = 0; i < mdata->header.ncmds; i++)
2572 if (mdata->commands[i].type == BFD_MACH_O_LC_SEGMENT
2573 || mdata->commands[i].type == BFD_MACH_O_LC_SEGMENT_64)
2575 bfd_mach_o_segment_command *seg;
2577 seg = &mdata->commands[i].command.segment;
2578 mdata->nsects += seg->nsects;
2582 /* Allocate sections array. */
2583 mdata->sections = bfd_alloc (abfd,
2584 mdata->nsects * sizeof (bfd_mach_o_section *));
2586 /* Fill the array. */
2589 for (i = 0; i < mdata->header.ncmds; i++)
2591 if (mdata->commands[i].type == BFD_MACH_O_LC_SEGMENT
2592 || mdata->commands[i].type == BFD_MACH_O_LC_SEGMENT_64)
2594 bfd_mach_o_segment_command *seg;
2596 seg = &mdata->commands[i].command.segment;
2597 BFD_ASSERT (csect + seg->nsects <= mdata->nsects);
2599 for (j = 0; j < seg->nsects; j++)
2600 mdata->sections[csect++] = &seg->sections[j];
2606 bfd_mach_o_scan_start_address (bfd *abfd)
2608 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
2609 bfd_mach_o_thread_command *cmd = NULL;
2612 for (i = 0; i < mdata->header.ncmds; i++)
2614 if ((mdata->commands[i].type == BFD_MACH_O_LC_THREAD) ||
2615 (mdata->commands[i].type == BFD_MACH_O_LC_UNIXTHREAD))
2618 cmd = &mdata->commands[i].command.thread;
2627 for (i = 0; i < cmd->nflavours; i++)
2629 if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_I386)
2630 && (cmd->flavours[i].flavour
2631 == (unsigned long) BFD_MACH_O_x86_THREAD_STATE32))
2633 unsigned char buf[4];
2635 if (bfd_seek (abfd, cmd->flavours[i].offset + 40, SEEK_SET) != 0
2636 || bfd_bread (buf, 4, abfd) != 4)
2639 abfd->start_address = bfd_h_get_32 (abfd, buf);
2641 else if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_POWERPC)
2642 && (cmd->flavours[i].flavour == BFD_MACH_O_PPC_THREAD_STATE))
2644 unsigned char buf[4];
2646 if (bfd_seek (abfd, cmd->flavours[i].offset + 0, SEEK_SET) != 0
2647 || bfd_bread (buf, 4, abfd) != 4)
2650 abfd->start_address = bfd_h_get_32 (abfd, buf);
2652 else if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_POWERPC_64)
2653 && (cmd->flavours[i].flavour == BFD_MACH_O_PPC_THREAD_STATE64))
2655 unsigned char buf[8];
2657 if (bfd_seek (abfd, cmd->flavours[i].offset + 0, SEEK_SET) != 0
2658 || bfd_bread (buf, 8, abfd) != 8)
2661 abfd->start_address = bfd_h_get_64 (abfd, buf);
2663 else if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_X86_64)
2664 && (cmd->flavours[i].flavour == BFD_MACH_O_x86_THREAD_STATE64))
2666 unsigned char buf[8];
2668 if (bfd_seek (abfd, cmd->flavours[i].offset + (16 * 8), SEEK_SET) != 0
2669 || bfd_bread (buf, 8, abfd) != 8)
2672 abfd->start_address = bfd_h_get_64 (abfd, buf);
2680 bfd_mach_o_set_arch_mach (bfd *abfd,
2681 enum bfd_architecture arch,
2682 unsigned long machine)
2684 bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd);
2686 /* If this isn't the right architecture for this backend, and this
2687 isn't the generic backend, fail. */
2688 if (arch != bed->arch
2689 && arch != bfd_arch_unknown
2690 && bed->arch != bfd_arch_unknown)
2693 return bfd_default_set_arch_mach (abfd, arch, machine);
2697 bfd_mach_o_scan (bfd *abfd,
2698 bfd_mach_o_header *header,
2699 bfd_mach_o_data_struct *mdata)
2702 enum bfd_architecture cputype;
2703 unsigned long cpusubtype;
2704 unsigned int hdrsize;
2706 hdrsize = mach_o_wide_p (header) ?
2707 BFD_MACH_O_HEADER_64_SIZE : BFD_MACH_O_HEADER_SIZE;
2709 mdata->header = *header;
2711 abfd->flags = abfd->flags & BFD_IN_MEMORY;
2712 switch (header->filetype)
2714 case BFD_MACH_O_MH_OBJECT:
2715 abfd->flags |= HAS_RELOC;
2717 case BFD_MACH_O_MH_EXECUTE:
2718 abfd->flags |= EXEC_P;
2720 case BFD_MACH_O_MH_DYLIB:
2721 case BFD_MACH_O_MH_BUNDLE:
2722 abfd->flags |= DYNAMIC;
2726 abfd->tdata.mach_o_data = mdata;
2728 bfd_mach_o_convert_architecture (header->cputype, header->cpusubtype,
2729 &cputype, &cpusubtype);
2730 if (cputype == bfd_arch_unknown)
2732 fprintf (stderr, "bfd_mach_o_scan: unknown architecture 0x%lx/0x%lx\n",
2733 header->cputype, header->cpusubtype);
2737 bfd_set_arch_mach (abfd, cputype, cpusubtype);
2739 if (header->ncmds != 0)
2741 mdata->commands = bfd_alloc
2742 (abfd, header->ncmds * sizeof (bfd_mach_o_load_command));
2743 if (mdata->commands == NULL)
2746 for (i = 0; i < header->ncmds; i++)
2748 bfd_mach_o_load_command *cur = &mdata->commands[i];
2751 cur->offset = hdrsize;
2754 bfd_mach_o_load_command *prev = &mdata->commands[i - 1];
2755 cur->offset = prev->offset + prev->len;
2758 if (bfd_mach_o_read_command (abfd, cur) < 0)
2763 if (bfd_mach_o_scan_start_address (abfd) < 0)
2766 bfd_mach_o_flatten_sections (abfd);
2771 bfd_mach_o_mkobject_init (bfd *abfd)
2773 bfd_mach_o_data_struct *mdata = NULL;
2775 mdata = bfd_alloc (abfd, sizeof (bfd_mach_o_data_struct));
2778 abfd->tdata.mach_o_data = mdata;
2780 mdata->header.magic = 0;
2781 mdata->header.cputype = 0;
2782 mdata->header.cpusubtype = 0;
2783 mdata->header.filetype = 0;
2784 mdata->header.ncmds = 0;
2785 mdata->header.sizeofcmds = 0;
2786 mdata->header.flags = 0;
2787 mdata->header.byteorder = BFD_ENDIAN_UNKNOWN;
2788 mdata->commands = NULL;
2790 mdata->sections = NULL;
2796 bfd_mach_o_gen_mkobject (bfd *abfd)
2798 bfd_mach_o_data_struct *mdata;
2800 if (!bfd_mach_o_mkobject_init (abfd))
2803 mdata = bfd_mach_o_get_data (abfd);
2804 mdata->header.magic = BFD_MACH_O_MH_MAGIC;
2805 mdata->header.cputype = 0;
2806 mdata->header.cpusubtype = 0;
2807 mdata->header.byteorder = abfd->xvec->byteorder;
2808 mdata->header.version = 1;
2814 bfd_mach_o_header_p (bfd *abfd,
2815 bfd_mach_o_filetype filetype,
2816 bfd_mach_o_cpu_type cputype)
2818 struct bfd_preserve preserve;
2819 bfd_mach_o_header header;
2821 preserve.marker = NULL;
2822 if (!bfd_mach_o_read_header (abfd, &header))
2825 if (! (header.byteorder == BFD_ENDIAN_BIG
2826 || header.byteorder == BFD_ENDIAN_LITTLE))
2828 fprintf (stderr, "unknown header byte-order value 0x%lx\n",
2829 (unsigned long) header.byteorder);
2833 if (! ((header.byteorder == BFD_ENDIAN_BIG
2834 && abfd->xvec->byteorder == BFD_ENDIAN_BIG
2835 && abfd->xvec->header_byteorder == BFD_ENDIAN_BIG)
2836 || (header.byteorder == BFD_ENDIAN_LITTLE
2837 && abfd->xvec->byteorder == BFD_ENDIAN_LITTLE
2838 && abfd->xvec->header_byteorder == BFD_ENDIAN_LITTLE)))
2841 /* Check cputype and filetype.
2842 In case of wildcard, do not accept magics that are handled by existing
2846 if (header.cputype != cputype)
2851 switch (header.cputype)
2853 case BFD_MACH_O_CPU_TYPE_I386:
2854 /* Handled by mach-o-i386 */
2862 if (header.filetype != filetype)
2867 switch (header.filetype)
2869 case BFD_MACH_O_MH_CORE:
2870 /* Handled by core_p */
2877 preserve.marker = bfd_zalloc (abfd, sizeof (bfd_mach_o_data_struct));
2878 if (preserve.marker == NULL
2879 || !bfd_preserve_save (abfd, &preserve))
2882 if (bfd_mach_o_scan (abfd, &header,
2883 (bfd_mach_o_data_struct *) preserve.marker) != 0)
2886 bfd_preserve_finish (abfd, &preserve);
2890 bfd_set_error (bfd_error_wrong_format);
2893 if (preserve.marker != NULL)
2894 bfd_preserve_restore (abfd, &preserve);
2898 static const bfd_target *
2899 bfd_mach_o_gen_object_p (bfd *abfd)
2901 return bfd_mach_o_header_p (abfd, 0, 0);
2904 static const bfd_target *
2905 bfd_mach_o_gen_core_p (bfd *abfd)
2907 return bfd_mach_o_header_p (abfd, BFD_MACH_O_MH_CORE, 0);
2910 typedef struct mach_o_fat_archentry
2912 unsigned long cputype;
2913 unsigned long cpusubtype;
2914 unsigned long offset;
2916 unsigned long align;
2917 } mach_o_fat_archentry;
2919 typedef struct mach_o_fat_data_struct
2921 unsigned long magic;
2922 unsigned long nfat_arch;
2923 mach_o_fat_archentry *archentries;
2924 } mach_o_fat_data_struct;
2927 bfd_mach_o_archive_p (bfd *abfd)
2929 mach_o_fat_data_struct *adata = NULL;
2930 unsigned char buf[20];
2933 if (bfd_seek (abfd, 0, SEEK_SET) != 0
2934 || bfd_bread ((void *) buf, 8, abfd) != 8)
2937 adata = bfd_alloc (abfd, sizeof (mach_o_fat_data_struct));
2941 adata->magic = bfd_getb32 (buf);
2942 adata->nfat_arch = bfd_getb32 (buf + 4);
2943 if (adata->magic != 0xcafebabe)
2945 /* Avoid matching Java bytecode files, which have the same magic number.
2946 In the Java bytecode file format this field contains the JVM version,
2947 which starts at 43.0. */
2948 if (adata->nfat_arch > 30)
2951 adata->archentries =
2952 bfd_alloc (abfd, adata->nfat_arch * sizeof (mach_o_fat_archentry));
2953 if (adata->archentries == NULL)
2956 for (i = 0; i < adata->nfat_arch; i++)
2958 if (bfd_seek (abfd, 8 + 20 * i, SEEK_SET) != 0
2959 || bfd_bread ((void *) buf, 20, abfd) != 20)
2961 adata->archentries[i].cputype = bfd_getb32 (buf);
2962 adata->archentries[i].cpusubtype = bfd_getb32 (buf + 4);
2963 adata->archentries[i].offset = bfd_getb32 (buf + 8);
2964 adata->archentries[i].size = bfd_getb32 (buf + 12);
2965 adata->archentries[i].align = bfd_getb32 (buf + 16);
2968 abfd->tdata.mach_o_fat_data = adata;
2973 bfd_release (abfd, adata);
2974 bfd_set_error (bfd_error_wrong_format);
2979 bfd_mach_o_openr_next_archived_file (bfd *archive, bfd *prev)
2981 mach_o_fat_data_struct *adata;
2982 mach_o_fat_archentry *entry = NULL;
2985 enum bfd_architecture arch_type;
2986 unsigned long arch_subtype;
2988 adata = (mach_o_fat_data_struct *) archive->tdata.mach_o_fat_data;
2989 BFD_ASSERT (adata != NULL);
2991 /* Find index of previous entry. */
2993 i = 0; /* Start at first one. */
2996 for (i = 0; i < adata->nfat_arch; i++)
2998 if (adata->archentries[i].offset == prev->origin)
3002 if (i == adata->nfat_arch)
3005 bfd_set_error (bfd_error_bad_value);
3008 i++; /* Get next entry. */
3011 if (i >= adata->nfat_arch)
3013 bfd_set_error (bfd_error_no_more_archived_files);
3017 entry = &adata->archentries[i];
3018 nbfd = _bfd_new_bfd_contained_in (archive);
3022 nbfd->origin = entry->offset;
3024 bfd_mach_o_convert_architecture (entry->cputype, entry->cpusubtype,
3025 &arch_type, &arch_subtype);
3026 /* Create the member filename.
3027 Use FILENAME:ARCH_NAME. */
3030 const char *arch_name;
3031 size_t arch_file_len = strlen (bfd_get_filename (archive));
3033 arch_name = bfd_printable_arch_mach (arch_type, arch_subtype);
3034 s = bfd_malloc (arch_file_len + 1 + strlen (arch_name) + 1);
3037 memcpy (s, bfd_get_filename (archive), arch_file_len);
3038 s[arch_file_len] = ':';
3039 strcpy (s + arch_file_len + 1, arch_name);
3042 nbfd->iostream = NULL;
3043 bfd_set_arch_mach (nbfd, arch_type, arch_subtype);
3048 /* If ABFD format is FORMAT and architecture is ARCH, return it.
3049 If ABFD is a fat image containing a member that corresponds to FORMAT
3050 and ARCH, returns it.
3051 In other case, returns NULL.
3052 This function allows transparent uses of fat images. */
3054 bfd_mach_o_fat_extract (bfd *abfd,
3056 const bfd_arch_info_type *arch)
3059 mach_o_fat_data_struct *adata;
3062 if (bfd_check_format (abfd, format))
3064 if (bfd_get_arch_info (abfd) == arch)
3068 if (!bfd_check_format (abfd, bfd_archive)
3069 || abfd->xvec != &mach_o_fat_vec)
3072 /* This is a Mach-O fat image. */
3073 adata = (mach_o_fat_data_struct *) abfd->tdata.mach_o_fat_data;
3074 BFD_ASSERT (adata != NULL);
3076 for (i = 0; i < adata->nfat_arch; i++)
3078 struct mach_o_fat_archentry *e = &adata->archentries[i];
3079 enum bfd_architecture cpu_type;
3080 unsigned long cpu_subtype;
3082 bfd_mach_o_convert_architecture (e->cputype, e->cpusubtype,
3083 &cpu_type, &cpu_subtype);
3084 if (cpu_type != arch->arch || cpu_subtype != arch->mach)
3087 /* The architecture is found. */
3088 res = _bfd_new_bfd_contained_in (abfd);
3092 res->origin = e->offset;
3094 res->filename = strdup (abfd->filename);
3095 res->iostream = NULL;
3097 if (bfd_check_format (res, format))
3099 BFD_ASSERT (bfd_get_arch_info (res) == arch);
3110 bfd_mach_o_lookup_section (bfd *abfd,
3112 bfd_mach_o_load_command **mcommand,
3113 bfd_mach_o_section **msection)
3115 struct mach_o_data_struct *md = bfd_mach_o_get_data (abfd);
3116 unsigned int i, j, num;
3118 bfd_mach_o_load_command *ncmd = NULL;
3119 bfd_mach_o_section *nsect = NULL;
3121 BFD_ASSERT (mcommand != NULL);
3122 BFD_ASSERT (msection != NULL);
3125 for (i = 0; i < md->header.ncmds; i++)
3127 struct bfd_mach_o_load_command *cmd = &md->commands[i];
3128 struct bfd_mach_o_segment_command *seg = NULL;
3130 if (cmd->type != BFD_MACH_O_LC_SEGMENT
3131 || cmd->type != BFD_MACH_O_LC_SEGMENT_64)
3133 seg = &cmd->command.segment;
3135 for (j = 0; j < seg->nsects; j++)
3137 struct bfd_mach_o_section *sect = &seg->sections[j];
3139 if (sect->bfdsection == section)
3157 bfd_mach_o_lookup_command (bfd *abfd,
3158 bfd_mach_o_load_command_type type,
3159 bfd_mach_o_load_command **mcommand)
3161 struct mach_o_data_struct *md = bfd_mach_o_get_data (abfd);
3162 bfd_mach_o_load_command *ncmd = NULL;
3163 unsigned int i, num;
3165 BFD_ASSERT (md != NULL);
3166 BFD_ASSERT (mcommand != NULL);
3169 for (i = 0; i < md->header.ncmds; i++)
3171 struct bfd_mach_o_load_command *cmd = &md->commands[i];
3173 if (cmd->type != type)
3186 bfd_mach_o_stack_addr (enum bfd_mach_o_cpu_type type)
3190 case BFD_MACH_O_CPU_TYPE_MC680x0:
3192 case BFD_MACH_O_CPU_TYPE_MC88000:
3194 case BFD_MACH_O_CPU_TYPE_POWERPC:
3196 case BFD_MACH_O_CPU_TYPE_I386:
3198 case BFD_MACH_O_CPU_TYPE_SPARC:
3200 case BFD_MACH_O_CPU_TYPE_I860:
3202 case BFD_MACH_O_CPU_TYPE_HPPA:
3203 return 0xc0000000 - 0x04000000;
3209 typedef struct bfd_mach_o_xlat_name
3214 bfd_mach_o_xlat_name;
3217 bfd_mach_o_print_flags (const bfd_mach_o_xlat_name *table,
3223 for (; table->name; table++)
3225 if (table->val & val)
3228 fprintf (file, "+");
3229 fprintf (file, "%s", table->name);
3237 fprintf (file, "+");
3238 fprintf (file, "0x%lx", val);
3242 fprintf (file, "-");
3246 bfd_mach_o_get_name (const bfd_mach_o_xlat_name *table, unsigned long val)
3248 for (; table->name; table++)
3249 if (table->val == val)
3254 static bfd_mach_o_xlat_name bfd_mach_o_cpu_name[] =
3256 { "vax", BFD_MACH_O_CPU_TYPE_VAX },
3257 { "mc680x0", BFD_MACH_O_CPU_TYPE_MC680x0 },
3258 { "i386", BFD_MACH_O_CPU_TYPE_I386 },
3259 { "mips", BFD_MACH_O_CPU_TYPE_MIPS },
3260 { "mc98000", BFD_MACH_O_CPU_TYPE_MC98000 },
3261 { "hppa", BFD_MACH_O_CPU_TYPE_HPPA },
3262 { "arm", BFD_MACH_O_CPU_TYPE_ARM },
3263 { "mc88000", BFD_MACH_O_CPU_TYPE_MC88000 },
3264 { "sparc", BFD_MACH_O_CPU_TYPE_SPARC },
3265 { "i860", BFD_MACH_O_CPU_TYPE_I860 },
3266 { "alpha", BFD_MACH_O_CPU_TYPE_ALPHA },
3267 { "powerpc", BFD_MACH_O_CPU_TYPE_POWERPC },
3268 { "powerpc_64", BFD_MACH_O_CPU_TYPE_POWERPC_64 },
3269 { "x86_64", BFD_MACH_O_CPU_TYPE_X86_64 },
3273 static bfd_mach_o_xlat_name bfd_mach_o_filetype_name[] =
3275 { "object", BFD_MACH_O_MH_OBJECT },
3276 { "execute", BFD_MACH_O_MH_EXECUTE },
3277 { "fvmlib", BFD_MACH_O_MH_FVMLIB },
3278 { "core", BFD_MACH_O_MH_CORE },
3279 { "preload", BFD_MACH_O_MH_PRELOAD },
3280 { "dylib", BFD_MACH_O_MH_DYLIB },
3281 { "dylinker", BFD_MACH_O_MH_DYLINKER },
3282 { "bundle", BFD_MACH_O_MH_BUNDLE },
3283 { "dylib_stub", BFD_MACH_O_MH_DYLIB_STUB },
3284 { "dym", BFD_MACH_O_MH_DSYM },
3285 { "kext_bundle", BFD_MACH_O_MH_KEXT_BUNDLE },
3289 static bfd_mach_o_xlat_name bfd_mach_o_header_flags_name[] =
3291 { "noundefs", BFD_MACH_O_MH_NOUNDEFS },
3292 { "incrlink", BFD_MACH_O_MH_INCRLINK },
3293 { "dyldlink", BFD_MACH_O_MH_DYLDLINK },
3294 { "bindatload", BFD_MACH_O_MH_BINDATLOAD },
3295 { "prebound", BFD_MACH_O_MH_PREBOUND },
3296 { "split_segs", BFD_MACH_O_MH_SPLIT_SEGS },
3297 { "lazy_init", BFD_MACH_O_MH_LAZY_INIT },
3298 { "twolevel", BFD_MACH_O_MH_TWOLEVEL },
3299 { "force_flat", BFD_MACH_O_MH_FORCE_FLAT },
3300 { "nomultidefs", BFD_MACH_O_MH_NOMULTIDEFS },
3301 { "nofixprebinding", BFD_MACH_O_MH_NOFIXPREBINDING },
3302 { "prebindable", BFD_MACH_O_MH_PREBINDABLE },
3303 { "allmodsbound", BFD_MACH_O_MH_ALLMODSBOUND },
3304 { "subsections_via_symbols", BFD_MACH_O_MH_SUBSECTIONS_VIA_SYMBOLS },
3305 { "canonical", BFD_MACH_O_MH_CANONICAL },
3306 { "weak_defines", BFD_MACH_O_MH_WEAK_DEFINES },
3307 { "binds_to_weak", BFD_MACH_O_MH_BINDS_TO_WEAK },
3308 { "allow_stack_execution", BFD_MACH_O_MH_ALLOW_STACK_EXECUTION },
3309 { "root_safe", BFD_MACH_O_MH_ROOT_SAFE },
3310 { "setuid_safe", BFD_MACH_O_MH_SETUID_SAFE },
3311 { "no_reexported_dylibs", BFD_MACH_O_MH_NO_REEXPORTED_DYLIBS },
3312 { "pie", BFD_MACH_O_MH_PIE },
3316 static bfd_mach_o_xlat_name bfd_mach_o_section_type_name[] =
3318 { "regular", BFD_MACH_O_S_REGULAR},
3319 { "zerofill", BFD_MACH_O_S_ZEROFILL},
3320 { "cstring_literals", BFD_MACH_O_S_CSTRING_LITERALS},
3321 { "4byte_literals", BFD_MACH_O_S_4BYTE_LITERALS},
3322 { "8byte_literals", BFD_MACH_O_S_8BYTE_LITERALS},
3323 { "literal_pointers", BFD_MACH_O_S_LITERAL_POINTERS},
3324 { "non_lazy_symbol_pointers", BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS},
3325 { "lazy_symbol_pointers", BFD_MACH_O_S_LAZY_SYMBOL_POINTERS},
3326 { "symbol_stubs", BFD_MACH_O_S_SYMBOL_STUBS},
3327 { "mod_init_func_pointers", BFD_MACH_O_S_MOD_INIT_FUNC_POINTERS},
3328 { "mod_fini_func_pointers", BFD_MACH_O_S_MOD_FINI_FUNC_POINTERS},
3329 { "coalesced", BFD_MACH_O_S_COALESCED},
3330 { "gb_zerofill", BFD_MACH_O_S_GB_ZEROFILL},
3331 { "interposing", BFD_MACH_O_S_INTERPOSING},
3332 { "16byte_literals", BFD_MACH_O_S_16BYTE_LITERALS},
3333 { "dtrace_dof", BFD_MACH_O_S_DTRACE_DOF},
3334 { "lazy_dylib_symbol_pointers", BFD_MACH_O_S_LAZY_DYLIB_SYMBOL_POINTERS},
3338 static bfd_mach_o_xlat_name bfd_mach_o_section_attribute_name[] =
3340 { "loc_reloc", BFD_MACH_O_S_ATTR_LOC_RELOC },
3341 { "ext_reloc", BFD_MACH_O_S_ATTR_EXT_RELOC },
3342 { "some_instructions", BFD_MACH_O_S_ATTR_SOME_INSTRUCTIONS },
3343 { "debug", BFD_MACH_O_S_ATTR_DEBUG },
3344 { "modifying_code", BFD_MACH_O_S_SELF_MODIFYING_CODE },
3345 { "live_support", BFD_MACH_O_S_ATTR_LIVE_SUPPORT },
3346 { "no_dead_strip", BFD_MACH_O_S_ATTR_NO_DEAD_STRIP },
3347 { "strip_static_syms", BFD_MACH_O_S_ATTR_STRIP_STATIC_SYMS },
3348 { "no_toc", BFD_MACH_O_S_ATTR_NO_TOC },
3349 { "pure_instructions", BFD_MACH_O_S_ATTR_PURE_INSTRUCTIONS },
3353 static bfd_mach_o_xlat_name bfd_mach_o_load_command_name[] =
3355 { "segment", BFD_MACH_O_LC_SEGMENT},
3356 { "symtab", BFD_MACH_O_LC_SYMTAB},
3357 { "symseg", BFD_MACH_O_LC_SYMSEG},
3358 { "thread", BFD_MACH_O_LC_THREAD},
3359 { "unixthread", BFD_MACH_O_LC_UNIXTHREAD},
3360 { "loadfvmlib", BFD_MACH_O_LC_LOADFVMLIB},
3361 { "idfvmlib", BFD_MACH_O_LC_IDFVMLIB},
3362 { "ident", BFD_MACH_O_LC_IDENT},
3363 { "fvmfile", BFD_MACH_O_LC_FVMFILE},
3364 { "prepage", BFD_MACH_O_LC_PREPAGE},
3365 { "dysymtab", BFD_MACH_O_LC_DYSYMTAB},
3366 { "load_dylib", BFD_MACH_O_LC_LOAD_DYLIB},
3367 { "id_dylib", BFD_MACH_O_LC_ID_DYLIB},
3368 { "load_dylinker", BFD_MACH_O_LC_LOAD_DYLINKER},
3369 { "id_dylinker", BFD_MACH_O_LC_ID_DYLINKER},
3370 { "prebound_dylib", BFD_MACH_O_LC_PREBOUND_DYLIB},
3371 { "routines", BFD_MACH_O_LC_ROUTINES},
3372 { "sub_framework", BFD_MACH_O_LC_SUB_FRAMEWORK},
3373 { "sub_umbrella", BFD_MACH_O_LC_SUB_UMBRELLA},
3374 { "sub_client", BFD_MACH_O_LC_SUB_CLIENT},
3375 { "sub_library", BFD_MACH_O_LC_SUB_LIBRARY},
3376 { "twolevel_hints", BFD_MACH_O_LC_TWOLEVEL_HINTS},
3377 { "prebind_cksum", BFD_MACH_O_LC_PREBIND_CKSUM},
3378 { "load_weak_dylib", BFD_MACH_O_LC_LOAD_WEAK_DYLIB},
3379 { "segment_64", BFD_MACH_O_LC_SEGMENT_64},
3380 { "routines_64", BFD_MACH_O_LC_ROUTINES_64},
3381 { "uuid", BFD_MACH_O_LC_UUID},
3382 { "rpath", BFD_MACH_O_LC_RPATH},
3383 { "code_signature", BFD_MACH_O_LC_CODE_SIGNATURE},
3384 { "segment_split_info", BFD_MACH_O_LC_SEGMENT_SPLIT_INFO},
3385 { "reexport_dylib", BFD_MACH_O_LC_REEXPORT_DYLIB},
3386 { "lazy_load_dylib", BFD_MACH_O_LC_LAZY_LOAD_DYLIB},
3387 { "encryption_info", BFD_MACH_O_LC_ENCRYPTION_INFO},
3388 { "dyld_info", BFD_MACH_O_LC_DYLD_INFO},
3393 bfd_mach_o_print_private_header (bfd *abfd, FILE *file)
3395 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
3396 bfd_mach_o_header *h = &mdata->header;
3398 fputs (_("Mach-O header:\n"), file);
3399 fprintf (file, _(" magic : %08lx\n"), h->magic);
3400 fprintf (file, _(" cputype : %08lx (%s)\n"), h->cputype,
3401 bfd_mach_o_get_name (bfd_mach_o_cpu_name, h->cputype));
3402 fprintf (file, _(" cpusubtype: %08lx\n"), h->cpusubtype);
3403 fprintf (file, _(" filetype : %08lx (%s)\n"),
3405 bfd_mach_o_get_name (bfd_mach_o_filetype_name, h->filetype));
3406 fprintf (file, _(" ncmds : %08lx (%lu)\n"), h->ncmds, h->ncmds);
3407 fprintf (file, _(" sizeofcmds: %08lx\n"), h->sizeofcmds);
3408 fprintf (file, _(" flags : %08lx ("), h->flags);
3409 bfd_mach_o_print_flags (bfd_mach_o_header_flags_name, h->flags, file);
3410 fputs (_(")\n"), file);
3411 fprintf (file, _(" reserved : %08x\n"), h->reserved);
3415 bfd_mach_o_print_section_map (bfd *abfd, FILE *file)
3417 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
3419 unsigned int sec_nbr = 0;
3421 fputs (_("Segments and Sections:\n"), file);
3422 fputs (_(" #: Segment name Section name Address\n"), file);
3424 for (i = 0; i < mdata->header.ncmds; i++)
3426 bfd_mach_o_segment_command *seg;
3428 if (mdata->commands[i].type != BFD_MACH_O_LC_SEGMENT
3429 && mdata->commands[i].type != BFD_MACH_O_LC_SEGMENT_64)
3432 seg = &mdata->commands[i].command.segment;
3434 fprintf (file, "[Segment %-16s ", seg->segname);
3435 fprintf_vma (file, seg->vmaddr);
3436 fprintf (file, "-");
3437 fprintf_vma (file, seg->vmaddr + seg->vmsize - 1);
3439 fputc (seg->initprot & BFD_MACH_O_PROT_READ ? 'r' : '-', file);
3440 fputc (seg->initprot & BFD_MACH_O_PROT_WRITE ? 'w' : '-', file);
3441 fputc (seg->initprot & BFD_MACH_O_PROT_EXECUTE ? 'x' : '-', file);
3442 fprintf (file, "]\n");
3443 for (j = 0; j < seg->nsects; j++)
3445 bfd_mach_o_section *sec = &seg->sections[j];
3446 fprintf (file, "%02u: %-16s %-16s ", ++sec_nbr,
3447 sec->segname, sec->sectname);
3448 fprintf_vma (file, sec->addr);
3449 fprintf (file, " ");
3450 fprintf_vma (file, sec->size);
3451 fprintf (file, " %08lx\n", sec->flags);
3457 bfd_mach_o_print_section (bfd *abfd ATTRIBUTE_UNUSED,
3458 bfd_mach_o_section *sec, FILE *file)
3460 fprintf (file, " Section: %-16s %-16s (bfdname: %s)\n",
3461 sec->sectname, sec->segname, sec->bfdsection->name);
3462 fprintf (file, " addr: ");
3463 fprintf_vma (file, sec->addr);
3464 fprintf (file, " size: ");
3465 fprintf_vma (file, sec->size);
3466 fprintf (file, " offset: ");
3467 fprintf_vma (file, sec->offset);
3468 fprintf (file, "\n");
3469 fprintf (file, " align: %ld", sec->align);
3470 fprintf (file, " nreloc: %lu reloff: ", sec->nreloc);
3471 fprintf_vma (file, sec->reloff);
3472 fprintf (file, "\n");
3473 fprintf (file, " flags: %08lx (type: %s", sec->flags,
3474 bfd_mach_o_get_name (bfd_mach_o_section_type_name,
3475 sec->flags & BFD_MACH_O_SECTION_TYPE_MASK));
3476 fprintf (file, " attr: ");
3477 bfd_mach_o_print_flags (bfd_mach_o_section_attribute_name,
3478 sec->flags & BFD_MACH_O_SECTION_ATTRIBUTES_MASK,
3480 fprintf (file, ")\n");
3481 switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK)
3483 case BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS:
3484 case BFD_MACH_O_S_LAZY_SYMBOL_POINTERS:
3485 case BFD_MACH_O_S_SYMBOL_STUBS:
3486 fprintf (file, " first indirect sym: %lu", sec->reserved1);
3487 fprintf (file, " (%u entries)",
3488 bfd_mach_o_section_get_nbr_indirect (abfd, sec));
3491 fprintf (file, " reserved1: 0x%lx", sec->reserved1);
3494 switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK)
3496 case BFD_MACH_O_S_SYMBOL_STUBS:
3497 fprintf (file, " stub size: %lu", sec->reserved2);
3500 fprintf (file, " reserved2: 0x%lx", sec->reserved2);
3503 fprintf (file, " reserved3: 0x%lx\n", sec->reserved3);
3507 bfd_mach_o_print_segment (bfd *abfd ATTRIBUTE_UNUSED,
3508 bfd_mach_o_load_command *cmd, FILE *file)
3510 bfd_mach_o_segment_command *seg = &cmd->command.segment;
3513 fprintf (file, " name: %s\n", *seg->segname ? seg->segname : "*none*");
3514 fprintf (file, " vmaddr: ");
3515 fprintf_vma (file, seg->vmaddr);
3516 fprintf (file, " vmsize: ");
3517 fprintf_vma (file, seg->vmsize);
3518 fprintf (file, "\n");
3519 fprintf (file, " fileoff: ");
3520 fprintf_vma (file, seg->fileoff);
3521 fprintf (file, " filesize: ");
3522 fprintf_vma (file, (bfd_vma)seg->filesize);
3523 fprintf (file, " endoff: ");
3524 fprintf_vma (file, (bfd_vma)(seg->fileoff + seg->filesize));
3525 fprintf (file, "\n");
3526 fprintf (file, " nsects: %lu ", seg->nsects);
3527 fprintf (file, " flags: %lx\n", seg->flags);
3528 for (i = 0; i < seg->nsects; i++)
3529 bfd_mach_o_print_section (abfd, &seg->sections[i], file);
3533 bfd_mach_o_print_dysymtab (bfd *abfd ATTRIBUTE_UNUSED,
3534 bfd_mach_o_load_command *cmd, FILE *file)
3536 bfd_mach_o_dysymtab_command *dysymtab = &cmd->command.dysymtab;
3537 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
3540 fprintf (file, " local symbols: idx: %10lu num: %-8lu",
3541 dysymtab->ilocalsym, dysymtab->nlocalsym);
3542 fprintf (file, " (nxtidx: %lu)\n",
3543 dysymtab->ilocalsym + dysymtab->nlocalsym);
3544 fprintf (file, " external symbols: idx: %10lu num: %-8lu",
3545 dysymtab->iextdefsym, dysymtab->nextdefsym);
3546 fprintf (file, " (nxtidx: %lu)\n",
3547 dysymtab->iextdefsym + dysymtab->nextdefsym);
3548 fprintf (file, " undefined symbols: idx: %10lu num: %-8lu",
3549 dysymtab->iundefsym, dysymtab->nundefsym);
3550 fprintf (file, " (nxtidx: %lu)\n",
3551 dysymtab->iundefsym + dysymtab->nundefsym);
3552 fprintf (file, " table of content: off: 0x%08lx num: %-8lu",
3553 dysymtab->tocoff, dysymtab->ntoc);
3554 fprintf (file, " (endoff: 0x%08lx)\n",
3556 + dysymtab->ntoc * BFD_MACH_O_TABLE_OF_CONTENT_SIZE);
3557 fprintf (file, " module table: off: 0x%08lx num: %-8lu",
3558 dysymtab->modtaboff, dysymtab->nmodtab);
3559 fprintf (file, " (endoff: 0x%08lx)\n",
3560 dysymtab->modtaboff + dysymtab->nmodtab
3561 * (mach_o_wide_p (&mdata->header) ?
3562 BFD_MACH_O_DYLIB_MODULE_64_SIZE : BFD_MACH_O_DYLIB_MODULE_SIZE));
3563 fprintf (file, " external reference table: off: 0x%08lx num: %-8lu",
3564 dysymtab->extrefsymoff, dysymtab->nextrefsyms);
3565 fprintf (file, " (endoff: 0x%08lx)\n",
3566 dysymtab->extrefsymoff
3567 + dysymtab->nextrefsyms * BFD_MACH_O_REFERENCE_SIZE);
3568 fprintf (file, " indirect symbol table: off: 0x%08lx num: %-8lu",
3569 dysymtab->indirectsymoff, dysymtab->nindirectsyms);
3570 fprintf (file, " (endoff: 0x%08lx)\n",
3571 dysymtab->indirectsymoff
3572 + dysymtab->nindirectsyms * BFD_MACH_O_INDIRECT_SYMBOL_SIZE);
3573 fprintf (file, " external relocation table: off: 0x%08lx num: %-8lu",
3574 dysymtab->extreloff, dysymtab->nextrel);
3575 fprintf (file, " (endoff: 0x%08lx)\n",
3576 dysymtab->extreloff + dysymtab->nextrel * BFD_MACH_O_RELENT_SIZE);
3577 fprintf (file, " local relocation table: off: 0x%08lx num: %-8lu",
3578 dysymtab->locreloff, dysymtab->nlocrel);
3579 fprintf (file, " (endoff: 0x%08lx)\n",
3580 dysymtab->locreloff + dysymtab->nlocrel * BFD_MACH_O_RELENT_SIZE);
3582 if (dysymtab->ntoc > 0
3583 || dysymtab->nindirectsyms > 0
3584 || dysymtab->nextrefsyms > 0)
3586 /* Try to read the symbols to display the toc or indirect symbols. */
3587 bfd_mach_o_read_symtab_symbols (abfd);
3589 else if (dysymtab->nmodtab > 0)
3591 /* Try to read the strtab to display modules name. */
3592 bfd_mach_o_read_symtab_strtab (abfd);
3595 for (i = 0; i < dysymtab->nmodtab; i++)
3597 bfd_mach_o_dylib_module *module = &dysymtab->dylib_module[i];
3598 fprintf (file, " module %u:\n", i);
3599 fprintf (file, " name: %lu", module->module_name_idx);
3600 if (mdata->symtab && mdata->symtab->strtab)
3601 fprintf (file, ": %s",
3602 mdata->symtab->strtab + module->module_name_idx);
3603 fprintf (file, "\n");
3604 fprintf (file, " extdefsym: idx: %8lu num: %lu\n",
3605 module->iextdefsym, module->nextdefsym);
3606 fprintf (file, " refsym: idx: %8lu num: %lu\n",
3607 module->irefsym, module->nrefsym);
3608 fprintf (file, " localsym: idx: %8lu num: %lu\n",
3609 module->ilocalsym, module->nlocalsym);
3610 fprintf (file, " extrel: idx: %8lu num: %lu\n",
3611 module->iextrel, module->nextrel);
3612 fprintf (file, " init: idx: %8u num: %u\n",
3613 module->iinit, module->ninit);
3614 fprintf (file, " term: idx: %8u num: %u\n",
3615 module->iterm, module->nterm);
3616 fprintf (file, " objc_module_info: addr: ");
3617 fprintf_vma (file, module->objc_module_info_addr);
3618 fprintf (file, " size: %lu\n", module->objc_module_info_size);
3621 if (dysymtab->ntoc > 0)
3623 bfd_mach_o_symtab_command *symtab = mdata->symtab;
3625 fprintf (file, " table of content: (symbol/module)\n");
3626 for (i = 0; i < dysymtab->ntoc; i++)
3628 bfd_mach_o_dylib_table_of_content *toc = &dysymtab->dylib_toc[i];
3630 fprintf (file, " %4u: ", i);
3631 if (symtab && symtab->symbols && toc->symbol_index < symtab->nsyms)
3633 const char *name = symtab->symbols[toc->symbol_index].symbol.name;
3634 fprintf (file, "%s (%lu)", name ? name : "*invalid*",
3638 fprintf (file, "%lu", toc->symbol_index);
3640 fprintf (file, " / ");
3641 if (symtab && symtab->strtab
3642 && toc->module_index < dysymtab->nmodtab)
3644 bfd_mach_o_dylib_module *mod;
3645 mod = &dysymtab->dylib_module[toc->module_index];
3646 fprintf (file, "%s (%lu)",
3647 symtab->strtab + mod->module_name_idx,
3651 fprintf (file, "%lu", toc->module_index);
3653 fprintf (file, "\n");
3657 if (dysymtab->nindirectsyms != 0)
3659 fprintf (file, " indirect symbols:\n");
3661 for (i = 0; i < mdata->nsects; i++)
3663 bfd_mach_o_section *sec = mdata->sections[i];
3664 unsigned int j, first, last;
3665 bfd_mach_o_symtab_command *symtab = mdata->symtab;
3669 switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK)
3671 case BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS:
3672 case BFD_MACH_O_S_LAZY_SYMBOL_POINTERS:
3673 case BFD_MACH_O_S_SYMBOL_STUBS:
3674 first = sec->reserved1;
3675 last = first + bfd_mach_o_section_get_nbr_indirect (abfd, sec);
3677 entry_size = bfd_mach_o_section_get_entry_size (abfd, sec);
3678 fprintf (file, " for section %s.%s:\n",
3679 sec->segname, sec->sectname);
3680 for (j = first; j < last; j++)
3682 unsigned int isym = dysymtab->indirect_syms[j];
3684 fprintf (file, " ");
3685 fprintf_vma (file, addr);
3686 fprintf (file, " %5u: 0x%08x", j, isym);
3687 if (isym & BFD_MACH_O_INDIRECT_SYMBOL_LOCAL)
3688 fprintf (file, " LOCAL");
3689 if (isym & BFD_MACH_O_INDIRECT_SYMBOL_ABS)
3690 fprintf (file, " ABSOLUTE");
3691 if (symtab && symtab->symbols
3692 && isym < symtab->nsyms
3693 && symtab->symbols[isym].symbol.name)
3694 fprintf (file, " %s", symtab->symbols[isym].symbol.name);
3695 fprintf (file, "\n");
3704 if (dysymtab->nextrefsyms > 0)
3706 bfd_mach_o_symtab_command *symtab = mdata->symtab;
3708 fprintf (file, " external reference table: (symbol flags)\n");
3709 for (i = 0; i < dysymtab->nextrefsyms; i++)
3711 bfd_mach_o_dylib_reference *ref = &dysymtab->ext_refs[i];
3713 fprintf (file, " %4u: %5lu 0x%02lx", i, ref->isym, ref->flags);
3714 if (symtab && symtab->symbols
3715 && ref->isym < symtab->nsyms
3716 && symtab->symbols[ref->isym].symbol.name)
3717 fprintf (file, " %s", symtab->symbols[ref->isym].symbol.name);
3718 fprintf (file, "\n");
3725 bfd_mach_o_print_dyld_info (bfd *abfd ATTRIBUTE_UNUSED,
3726 bfd_mach_o_load_command *cmd, FILE *file)
3728 bfd_mach_o_dyld_info_command *info = &cmd->command.dyld_info;
3730 fprintf (file, " rebase: off: 0x%08x size: %-8u\n",
3731 info->rebase_off, info->rebase_size);
3732 fprintf (file, " bind: off: 0x%08x size: %-8u\n",
3733 info->bind_off, info->bind_size);
3734 fprintf (file, " weak bind: off: 0x%08x size: %-8u\n",
3735 info->weak_bind_off, info->weak_bind_size);
3736 fprintf (file, " lazy bind: off: 0x%08x size: %-8u\n",
3737 info->lazy_bind_off, info->lazy_bind_size);
3738 fprintf (file, " export: off: 0x%08x size: %-8u\n",
3739 info->export_off, info->export_size);
3743 bfd_mach_o_bfd_print_private_bfd_data (bfd *abfd, void * ptr)
3745 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
3746 FILE *file = (FILE *) ptr;
3749 bfd_mach_o_print_private_header (abfd, file);
3752 for (i = 0; i < mdata->header.ncmds; i++)
3754 bfd_mach_o_load_command *cmd = &mdata->commands[i];
3756 fprintf (file, "Load command %s:",
3757 bfd_mach_o_get_name (bfd_mach_o_load_command_name, cmd->type));
3760 case BFD_MACH_O_LC_SEGMENT:
3761 case BFD_MACH_O_LC_SEGMENT_64:
3762 bfd_mach_o_print_segment (abfd, cmd, file);
3764 case BFD_MACH_O_LC_UUID:
3766 bfd_mach_o_uuid_command *uuid = &cmd->command.uuid;
3769 for (j = 0; j < sizeof (uuid->uuid); j ++)
3770 fprintf (file, " %02x", uuid->uuid[j]);
3774 case BFD_MACH_O_LC_LOAD_DYLIB:
3775 case BFD_MACH_O_LC_LOAD_WEAK_DYLIB:
3776 case BFD_MACH_O_LC_REEXPORT_DYLIB:
3777 case BFD_MACH_O_LC_ID_DYLIB:
3779 bfd_mach_o_dylib_command *dylib = &cmd->command.dylib;
3780 fprintf (file, " %s\n", dylib->name_str);
3781 fprintf (file, " time stamp: 0x%08lx\n",
3783 fprintf (file, " current version: 0x%08lx\n",
3784 dylib->current_version);
3785 fprintf (file, " comptibility version: 0x%08lx\n",
3786 dylib->compatibility_version);
3789 case BFD_MACH_O_LC_LOAD_DYLINKER:
3790 case BFD_MACH_O_LC_ID_DYLINKER:
3791 fprintf (file, " %s\n", cmd->command.dylinker.name_str);
3793 case BFD_MACH_O_LC_SYMTAB:
3795 bfd_mach_o_symtab_command *symtab = &cmd->command.symtab;
3798 " symoff: 0x%08x nsyms: %8u (endoff: 0x%08x)\n",
3799 symtab->symoff, symtab->nsyms,
3800 symtab->symoff + symtab->nsyms
3801 * (mach_o_wide_p (&mdata->header)
3802 ? BFD_MACH_O_NLIST_64_SIZE : BFD_MACH_O_NLIST_SIZE));
3804 " stroff: 0x%08x strsize: %8u (endoff: 0x%08x)\n",
3805 symtab->stroff, symtab->strsize,
3806 symtab->stroff + symtab->strsize);
3809 case BFD_MACH_O_LC_DYSYMTAB:
3810 fprintf (file, "\n");
3811 bfd_mach_o_print_dysymtab (abfd, cmd, file);
3813 case BFD_MACH_O_LC_CODE_SIGNATURE:
3814 case BFD_MACH_O_LC_SEGMENT_SPLIT_INFO:
3816 bfd_mach_o_linkedit_command *linkedit = &cmd->command.linkedit;
3819 " dataoff: 0x%08lx datasize: 0x%08lx (endoff: 0x%08lx)\n",
3820 linkedit->dataoff, linkedit->datasize,
3821 linkedit->dataoff + linkedit->datasize);
3824 case BFD_MACH_O_LC_SUB_FRAMEWORK:
3825 case BFD_MACH_O_LC_SUB_UMBRELLA:
3826 case BFD_MACH_O_LC_SUB_LIBRARY:
3827 case BFD_MACH_O_LC_SUB_CLIENT:
3828 case BFD_MACH_O_LC_RPATH:
3830 bfd_mach_o_str_command *str = &cmd->command.str;
3831 fprintf (file, " %s\n", str->str);
3834 case BFD_MACH_O_LC_THREAD:
3835 case BFD_MACH_O_LC_UNIXTHREAD:
3837 bfd_mach_o_thread_command *thread = &cmd->command.thread;
3839 bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd);
3841 fprintf (file, " nflavours: %lu\n", thread->nflavours);
3842 for (j = 0; j < thread->nflavours; j++)
3844 bfd_mach_o_thread_flavour *flavour = &thread->flavours[j];
3846 fprintf (file, " %2u: flavour: 0x%08lx offset: 0x%08lx"
3848 j, flavour->flavour, flavour->offset,
3850 if (bed->_bfd_mach_o_print_thread)
3852 char *buf = bfd_malloc (flavour->size);
3855 && bfd_seek (abfd, flavour->offset, SEEK_SET) == 0
3856 && (bfd_bread (buf, flavour->size, abfd)
3858 (*bed->_bfd_mach_o_print_thread)(abfd, flavour,
3865 case BFD_MACH_O_LC_DYLD_INFO:
3866 fprintf (file, "\n");
3867 bfd_mach_o_print_dyld_info (abfd, cmd, file);
3870 fprintf (file, "\n");
3876 bfd_mach_o_print_section_map (abfd, file);
3882 bfd_mach_o_core_fetch_environment (bfd *abfd,
3883 unsigned char **rbuf,
3886 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
3887 unsigned long stackaddr = bfd_mach_o_stack_addr (mdata->header.cputype);
3890 for (i = 0; i < mdata->header.ncmds; i++)
3892 bfd_mach_o_load_command *cur = &mdata->commands[i];
3893 bfd_mach_o_segment_command *seg = NULL;
3895 if (cur->type != BFD_MACH_O_LC_SEGMENT)
3898 seg = &cur->command.segment;
3900 if ((seg->vmaddr + seg->vmsize) == stackaddr)
3902 unsigned long start = seg->fileoff;
3903 unsigned long end = seg->fileoff + seg->filesize;
3904 unsigned char *buf = bfd_malloc (1024);
3905 unsigned long size = 1024;
3909 bfd_size_type nread = 0;
3910 unsigned long offset;
3911 int found_nonnull = 0;
3913 if (size > (end - start))
3914 size = (end - start);
3916 buf = bfd_realloc_or_free (buf, size);
3920 if (bfd_seek (abfd, end - size, SEEK_SET) != 0)
3926 nread = bfd_bread (buf, size, abfd);
3934 for (offset = 4; offset <= size; offset += 4)
3938 val = *((unsigned long *) (buf + size - offset));
3939 if (! found_nonnull)
3944 else if (val == 0x0)
3946 unsigned long bottom;
3949 bottom = seg->fileoff + seg->filesize - offset;
3950 top = seg->fileoff + seg->filesize - 4;
3951 *rbuf = bfd_malloc (top - bottom);
3952 *rlen = top - bottom;
3954 memcpy (*rbuf, buf + size - *rlen, *rlen);
3960 if (size == (end - start))
3974 bfd_mach_o_core_file_failing_command (bfd *abfd)
3976 unsigned char *buf = NULL;
3977 unsigned int len = 0;
3980 ret = bfd_mach_o_core_fetch_environment (abfd, &buf, &len);
3984 return (char *) buf;
3988 bfd_mach_o_core_file_failing_signal (bfd *abfd ATTRIBUTE_UNUSED)
3993 #define bfd_mach_o_bfd_reloc_type_lookup _bfd_norelocs_bfd_reloc_type_lookup
3994 #define bfd_mach_o_bfd_reloc_name_lookup _bfd_norelocs_bfd_reloc_name_lookup
3996 #define bfd_mach_o_swap_reloc_in NULL
3997 #define bfd_mach_o_swap_reloc_out NULL
3998 #define bfd_mach_o_print_thread NULL
4000 #define TARGET_NAME mach_o_be_vec
4001 #define TARGET_STRING "mach-o-be"
4002 #define TARGET_ARCHITECTURE bfd_arch_unknown
4003 #define TARGET_BIG_ENDIAN 1
4004 #define TARGET_ARCHIVE 0
4005 #include "mach-o-target.c"
4008 #undef TARGET_STRING
4009 #undef TARGET_ARCHITECTURE
4010 #undef TARGET_BIG_ENDIAN
4011 #undef TARGET_ARCHIVE
4013 #define TARGET_NAME mach_o_le_vec
4014 #define TARGET_STRING "mach-o-le"
4015 #define TARGET_ARCHITECTURE bfd_arch_unknown
4016 #define TARGET_BIG_ENDIAN 0
4017 #define TARGET_ARCHIVE 0
4019 #include "mach-o-target.c"
4022 #undef TARGET_STRING
4023 #undef TARGET_ARCHITECTURE
4024 #undef TARGET_BIG_ENDIAN
4025 #undef TARGET_ARCHIVE
4027 /* Not yet handled: creating an archive. */
4028 #define bfd_mach_o_mkarchive _bfd_noarchive_mkarchive
4031 #define bfd_mach_o_read_ar_hdr _bfd_noarchive_read_ar_hdr
4032 #define bfd_mach_o_write_ar_hdr _bfd_noarchive_write_ar_hdr
4033 #define bfd_mach_o_slurp_armap _bfd_noarchive_slurp_armap
4034 #define bfd_mach_o_slurp_extended_name_table _bfd_noarchive_slurp_extended_name_table
4035 #define bfd_mach_o_construct_extended_name_table _bfd_noarchive_construct_extended_name_table
4036 #define bfd_mach_o_truncate_arname _bfd_noarchive_truncate_arname
4037 #define bfd_mach_o_write_armap _bfd_noarchive_write_armap
4038 #define bfd_mach_o_get_elt_at_index _bfd_noarchive_get_elt_at_index
4039 #define bfd_mach_o_generic_stat_arch_elt _bfd_noarchive_generic_stat_arch_elt
4040 #define bfd_mach_o_update_armap_timestamp _bfd_noarchive_update_armap_timestamp
4042 #define TARGET_NAME mach_o_fat_vec
4043 #define TARGET_STRING "mach-o-fat"
4044 #define TARGET_ARCHITECTURE bfd_arch_unknown
4045 #define TARGET_BIG_ENDIAN 1
4046 #define TARGET_ARCHIVE 1
4048 #include "mach-o-target.c"
4051 #undef TARGET_STRING
4052 #undef TARGET_ARCHITECTURE
4053 #undef TARGET_BIG_ENDIAN
4054 #undef TARGET_ARCHIVE