1 /* od-macho.c -- dump information about an Mach-O object file.
2 Copyright (C) 2011-2018 Free Software Foundation, Inc.
3 Written by Tristan Gingold, Adacore.
5 This file is part of GNU Binutils.
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, or (at your option)
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, 51 Franklin Street - Fifth Floor, Boston,
20 MA 02110-1301, USA. */
25 #include "safe-ctype.h"
32 #include "mach-o/external.h"
33 #include "mach-o/codesign.h"
34 #include "mach-o/unwind.h"
36 /* Index of the options in the options[] array. */
41 #define OPT_DYSYMTAB 4
42 #define OPT_CODESIGN 5
43 #define OPT_SEG_SPLIT_INFO 6
44 #define OPT_COMPACT_UNWIND 7
45 #define OPT_FUNCTION_STARTS 8
46 #define OPT_DATA_IN_CODE 9
47 #define OPT_TWOLEVEL_HINTS 10
48 #define OPT_DYLD_INFO 11
50 /* List of actions. */
51 static struct objdump_private_option options[] =
59 { "seg_split_info", 0 },
60 { "compact_unwind", 0 },
61 { "function_starts", 0 },
62 { "data_in_code", 0 },
63 { "twolevel_hints", 0 },
71 mach_o_help (FILE *stream)
75 header Display the file header\n\
76 section Display the segments and sections commands\n\
77 map Display the section map\n\
78 load Display the load commands\n\
79 dysymtab Display the dynamic symbol table\n\
80 codesign Display code signature\n\
81 seg_split_info Display segment split info\n\
82 compact_unwind Display compact unwinding info\n\
83 function_starts Display start address of functions\n\
84 data_in_code Display data in code entries\n\
85 twolevel_hints Display the two-level namespace lookup hints table\n\
86 dyld_info Display dyld information\n\
90 /* Return TRUE if ABFD is handled. */
93 mach_o_filter (bfd *abfd)
95 return bfd_get_flavour (abfd) == bfd_target_mach_o_flavour;
98 static const bfd_mach_o_xlat_name bfd_mach_o_cpu_name[] =
100 { "vax", BFD_MACH_O_CPU_TYPE_VAX },
101 { "mc680x0", BFD_MACH_O_CPU_TYPE_MC680x0 },
102 { "i386", BFD_MACH_O_CPU_TYPE_I386 },
103 { "mips", BFD_MACH_O_CPU_TYPE_MIPS },
104 { "mc98000", BFD_MACH_O_CPU_TYPE_MC98000 },
105 { "hppa", BFD_MACH_O_CPU_TYPE_HPPA },
106 { "arm", BFD_MACH_O_CPU_TYPE_ARM },
107 { "mc88000", BFD_MACH_O_CPU_TYPE_MC88000 },
108 { "sparc", BFD_MACH_O_CPU_TYPE_SPARC },
109 { "alpha", BFD_MACH_O_CPU_TYPE_ALPHA },
110 { "powerpc", BFD_MACH_O_CPU_TYPE_POWERPC },
111 { "powerpc_64", BFD_MACH_O_CPU_TYPE_POWERPC_64 },
112 { "x86_64", BFD_MACH_O_CPU_TYPE_X86_64 },
113 { "arm64", BFD_MACH_O_CPU_TYPE_ARM64 },
117 static const bfd_mach_o_xlat_name bfd_mach_o_filetype_name[] =
119 { "object", BFD_MACH_O_MH_OBJECT },
120 { "execute", BFD_MACH_O_MH_EXECUTE },
121 { "fvmlib", BFD_MACH_O_MH_FVMLIB },
122 { "core", BFD_MACH_O_MH_CORE },
123 { "preload", BFD_MACH_O_MH_PRELOAD },
124 { "dylib", BFD_MACH_O_MH_DYLIB },
125 { "dylinker", BFD_MACH_O_MH_DYLINKER },
126 { "bundle", BFD_MACH_O_MH_BUNDLE },
127 { "dylib_stub", BFD_MACH_O_MH_DYLIB_STUB },
128 { "dym", BFD_MACH_O_MH_DSYM },
129 { "kext_bundle", BFD_MACH_O_MH_KEXT_BUNDLE },
133 static const bfd_mach_o_xlat_name bfd_mach_o_header_flags_name[] =
135 { "noundefs", BFD_MACH_O_MH_NOUNDEFS },
136 { "incrlink", BFD_MACH_O_MH_INCRLINK },
137 { "dyldlink", BFD_MACH_O_MH_DYLDLINK },
138 { "bindatload", BFD_MACH_O_MH_BINDATLOAD },
139 { "prebound", BFD_MACH_O_MH_PREBOUND },
140 { "split_segs", BFD_MACH_O_MH_SPLIT_SEGS },
141 { "lazy_init", BFD_MACH_O_MH_LAZY_INIT },
142 { "twolevel", BFD_MACH_O_MH_TWOLEVEL },
143 { "force_flat", BFD_MACH_O_MH_FORCE_FLAT },
144 { "nomultidefs", BFD_MACH_O_MH_NOMULTIDEFS },
145 { "nofixprebinding", BFD_MACH_O_MH_NOFIXPREBINDING },
146 { "prebindable", BFD_MACH_O_MH_PREBINDABLE },
147 { "allmodsbound", BFD_MACH_O_MH_ALLMODSBOUND },
148 { "subsections_via_symbols", BFD_MACH_O_MH_SUBSECTIONS_VIA_SYMBOLS },
149 { "canonical", BFD_MACH_O_MH_CANONICAL },
150 { "weak_defines", BFD_MACH_O_MH_WEAK_DEFINES },
151 { "binds_to_weak", BFD_MACH_O_MH_BINDS_TO_WEAK },
152 { "allow_stack_execution", BFD_MACH_O_MH_ALLOW_STACK_EXECUTION },
153 { "root_safe", BFD_MACH_O_MH_ROOT_SAFE },
154 { "setuid_safe", BFD_MACH_O_MH_SETUID_SAFE },
155 { "no_reexported_dylibs", BFD_MACH_O_MH_NO_REEXPORTED_DYLIBS },
156 { "pie", BFD_MACH_O_MH_PIE },
157 { "dead_strippable_dylib", BFD_MACH_O_MH_DEAD_STRIPPABLE_DYLIB },
158 { "has_tlv", BFD_MACH_O_MH_HAS_TLV_DESCRIPTORS },
159 { "no_heap_execution", BFD_MACH_O_MH_NO_HEAP_EXECUTION },
160 { "app_extension_safe", BFD_MACH_O_MH_APP_EXTENSION_SAFE },
164 static const bfd_mach_o_xlat_name bfd_mach_o_load_command_name[] =
166 { "segment", BFD_MACH_O_LC_SEGMENT},
167 { "symtab", BFD_MACH_O_LC_SYMTAB},
168 { "symseg", BFD_MACH_O_LC_SYMSEG},
169 { "thread", BFD_MACH_O_LC_THREAD},
170 { "unixthread", BFD_MACH_O_LC_UNIXTHREAD},
171 { "loadfvmlib", BFD_MACH_O_LC_LOADFVMLIB},
172 { "idfvmlib", BFD_MACH_O_LC_IDFVMLIB},
173 { "ident", BFD_MACH_O_LC_IDENT},
174 { "fvmfile", BFD_MACH_O_LC_FVMFILE},
175 { "prepage", BFD_MACH_O_LC_PREPAGE},
176 { "dysymtab", BFD_MACH_O_LC_DYSYMTAB},
177 { "load_dylib", BFD_MACH_O_LC_LOAD_DYLIB},
178 { "id_dylib", BFD_MACH_O_LC_ID_DYLIB},
179 { "load_dylinker", BFD_MACH_O_LC_LOAD_DYLINKER},
180 { "id_dylinker", BFD_MACH_O_LC_ID_DYLINKER},
181 { "prebound_dylib", BFD_MACH_O_LC_PREBOUND_DYLIB},
182 { "routines", BFD_MACH_O_LC_ROUTINES},
183 { "sub_framework", BFD_MACH_O_LC_SUB_FRAMEWORK},
184 { "sub_umbrella", BFD_MACH_O_LC_SUB_UMBRELLA},
185 { "sub_client", BFD_MACH_O_LC_SUB_CLIENT},
186 { "sub_library", BFD_MACH_O_LC_SUB_LIBRARY},
187 { "twolevel_hints", BFD_MACH_O_LC_TWOLEVEL_HINTS},
188 { "prebind_cksum", BFD_MACH_O_LC_PREBIND_CKSUM},
189 { "load_weak_dylib", BFD_MACH_O_LC_LOAD_WEAK_DYLIB},
190 { "segment_64", BFD_MACH_O_LC_SEGMENT_64},
191 { "routines_64", BFD_MACH_O_LC_ROUTINES_64},
192 { "uuid", BFD_MACH_O_LC_UUID},
193 { "rpath", BFD_MACH_O_LC_RPATH},
194 { "code_signature", BFD_MACH_O_LC_CODE_SIGNATURE},
195 { "segment_split_info", BFD_MACH_O_LC_SEGMENT_SPLIT_INFO},
196 { "reexport_dylib", BFD_MACH_O_LC_REEXPORT_DYLIB},
197 { "lazy_load_dylib", BFD_MACH_O_LC_LAZY_LOAD_DYLIB},
198 { "encryption_info", BFD_MACH_O_LC_ENCRYPTION_INFO},
199 { "dyld_info", BFD_MACH_O_LC_DYLD_INFO},
200 { "load_upward_lib", BFD_MACH_O_LC_LOAD_UPWARD_DYLIB},
201 { "version_min_macosx", BFD_MACH_O_LC_VERSION_MIN_MACOSX},
202 { "version_min_iphoneos", BFD_MACH_O_LC_VERSION_MIN_IPHONEOS},
203 { "function_starts", BFD_MACH_O_LC_FUNCTION_STARTS},
204 { "dyld_environment", BFD_MACH_O_LC_DYLD_ENVIRONMENT},
205 { "main", BFD_MACH_O_LC_MAIN},
206 { "data_in_code", BFD_MACH_O_LC_DATA_IN_CODE},
207 { "source_version", BFD_MACH_O_LC_SOURCE_VERSION},
208 { "dylib_code_sign_drs", BFD_MACH_O_LC_DYLIB_CODE_SIGN_DRS},
209 { "encryption_info_64", BFD_MACH_O_LC_ENCRYPTION_INFO_64},
210 { "linker_options", BFD_MACH_O_LC_LINKER_OPTIONS},
211 { "linker_optimization_hint", BFD_MACH_O_LC_LINKER_OPTIMIZATION_HINT},
215 static const bfd_mach_o_xlat_name bfd_mach_o_thread_x86_name[] =
217 { "thread_state32", BFD_MACH_O_x86_THREAD_STATE32},
218 { "float_state32", BFD_MACH_O_x86_FLOAT_STATE32},
219 { "exception_state32", BFD_MACH_O_x86_EXCEPTION_STATE32},
220 { "thread_state64", BFD_MACH_O_x86_THREAD_STATE64},
221 { "float_state64", BFD_MACH_O_x86_FLOAT_STATE64},
222 { "exception_state64", BFD_MACH_O_x86_EXCEPTION_STATE64},
223 { "thread_state", BFD_MACH_O_x86_THREAD_STATE},
224 { "float_state", BFD_MACH_O_x86_FLOAT_STATE},
225 { "exception_state", BFD_MACH_O_x86_EXCEPTION_STATE},
226 { "debug_state32", BFD_MACH_O_x86_DEBUG_STATE32},
227 { "debug_state64", BFD_MACH_O_x86_DEBUG_STATE64},
228 { "debug_state", BFD_MACH_O_x86_DEBUG_STATE},
229 { "state_none", BFD_MACH_O_x86_THREAD_STATE_NONE},
234 bfd_mach_o_print_flags (const bfd_mach_o_xlat_name *table,
239 for (; table->name; table++)
241 if (table->val & val)
245 printf ("%s", table->name);
254 printf ("0x%lx", val);
261 /* Print a bfd_uint64_t, using a platform independent style. */
264 printf_uint64 (bfd_uint64_t v)
266 printf ("0x%08lx%08lx",
267 (unsigned long)((v >> 16) >> 16), (unsigned long)(v & 0xffffffffUL));
271 bfd_mach_o_get_name_or_null (const bfd_mach_o_xlat_name *table,
274 for (; table->name; table++)
275 if (table->val == val)
281 bfd_mach_o_get_name (const bfd_mach_o_xlat_name *table, unsigned long val)
283 const char *res = bfd_mach_o_get_name_or_null (table, val);
292 dump_header (bfd *abfd)
294 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
295 bfd_mach_o_header *h = &mdata->header;
297 fputs (_("Mach-O header:\n"), stdout);
298 printf (_(" magic : %08lx\n"), h->magic);
299 printf (_(" cputype : %08lx (%s)\n"), h->cputype,
300 bfd_mach_o_get_name (bfd_mach_o_cpu_name, h->cputype));
301 printf (_(" cpusubtype: %08lx\n"), h->cpusubtype);
302 printf (_(" filetype : %08lx (%s)\n"),
304 bfd_mach_o_get_name (bfd_mach_o_filetype_name, h->filetype));
305 printf (_(" ncmds : %08lx (%lu)\n"), h->ncmds, h->ncmds);
306 printf (_(" sizeofcmds: %08lx (%lu)\n"), h->sizeofcmds, h->sizeofcmds);
307 printf (_(" flags : %08lx ("), h->flags);
308 bfd_mach_o_print_flags (bfd_mach_o_header_flags_name, h->flags);
309 fputs (_(")\n"), stdout);
310 printf (_(" reserved : %08x\n"), h->reserved);
315 disp_segment_prot (unsigned int prot)
317 putchar (prot & BFD_MACH_O_PROT_READ ? 'r' : '-');
318 putchar (prot & BFD_MACH_O_PROT_WRITE ? 'w' : '-');
319 putchar (prot & BFD_MACH_O_PROT_EXECUTE ? 'x' : '-');
323 dump_section_map (bfd *abfd)
325 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
326 bfd_mach_o_load_command *cmd;
327 unsigned int sec_nbr = 0;
329 fputs (_("Segments and Sections:\n"), stdout);
330 fputs (_(" #: Segment name Section name Address\n"), stdout);
332 for (cmd = mdata->first_command; cmd != NULL; cmd = cmd->next)
334 bfd_mach_o_segment_command *seg;
335 bfd_mach_o_section *sec;
337 if (cmd->type != BFD_MACH_O_LC_SEGMENT
338 && cmd->type != BFD_MACH_O_LC_SEGMENT_64)
341 seg = &cmd->command.segment;
343 printf ("[Segment %-16s ", seg->segname);
344 printf_vma (seg->vmaddr);
346 printf_vma (seg->vmaddr + seg->vmsize - 1);
348 disp_segment_prot (seg->initprot);
351 for (sec = seg->sect_head; sec != NULL; sec = sec->next)
353 printf ("%02u: %-16s %-16s ", ++sec_nbr,
354 sec->segname, sec->sectname);
355 printf_vma (sec->addr);
357 printf_vma (sec->size);
358 printf (" %08lx\n", sec->flags);
364 dump_section_header (bfd *abfd ATTRIBUTE_UNUSED, bfd_mach_o_section *sec)
366 printf (" Section: %-16s %-16s (bfdname: %s)\n",
367 sec->sectname, sec->segname, sec->bfdsection->name);
369 printf_vma (sec->addr);
371 printf_vma (sec->size);
372 printf (" offset: ");
373 printf_vma (sec->offset);
375 printf (" align: %ld", sec->align);
376 printf (" nreloc: %lu reloff: ", sec->nreloc);
377 printf_vma (sec->reloff);
379 printf (" flags: %08lx (type: %s", sec->flags,
380 bfd_mach_o_get_name (bfd_mach_o_section_type_name,
381 sec->flags & BFD_MACH_O_SECTION_TYPE_MASK));
383 bfd_mach_o_print_flags (bfd_mach_o_section_attribute_name,
384 sec->flags & BFD_MACH_O_SECTION_ATTRIBUTES_MASK);
386 switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK)
388 case BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS:
389 case BFD_MACH_O_S_LAZY_SYMBOL_POINTERS:
390 case BFD_MACH_O_S_SYMBOL_STUBS:
391 printf (" first indirect sym: %lu", sec->reserved1);
392 printf (" (%u entries)",
393 bfd_mach_o_section_get_nbr_indirect (abfd, sec));
396 printf (" reserved1: 0x%lx", sec->reserved1);
399 switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK)
401 case BFD_MACH_O_S_SYMBOL_STUBS:
402 printf (" stub size: %lu", sec->reserved2);
405 printf (" reserved2: 0x%lx", sec->reserved2);
408 printf (" reserved3: 0x%lx\n", sec->reserved3);
412 dump_segment (bfd *abfd ATTRIBUTE_UNUSED, bfd_mach_o_load_command *cmd)
414 bfd_mach_o_segment_command *seg = &cmd->command.segment;
415 bfd_mach_o_section *sec;
417 printf (" name: %16s", *seg->segname ? seg->segname : "*none*");
418 printf (" nsects: %lu", seg->nsects);
419 printf (" flags: %lx", seg->flags);
420 printf (" initprot: ");
421 disp_segment_prot (seg->initprot);
422 printf (" maxprot: ");
423 disp_segment_prot (seg->maxprot);
425 printf (" vmaddr: ");
426 printf_vma (seg->vmaddr);
427 printf (" vmsize: ");
428 printf_vma (seg->vmsize);
430 printf (" fileoff: ");
431 printf_vma (seg->fileoff);
432 printf (" filesize: ");
433 printf_vma ((bfd_vma)seg->filesize);
434 printf (" endoff: ");
435 printf_vma ((bfd_vma)(seg->fileoff + seg->filesize));
437 for (sec = seg->sect_head; sec != NULL; sec = sec->next)
438 dump_section_header (abfd, sec);
442 dump_dysymtab (bfd *abfd, bfd_mach_o_load_command *cmd, bfd_boolean verbose)
444 bfd_mach_o_dysymtab_command *dysymtab = &cmd->command.dysymtab;
445 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
448 printf (" local symbols: idx: %10lu num: %-8lu",
449 dysymtab->ilocalsym, dysymtab->nlocalsym);
450 printf (" (nxtidx: %lu)\n",
451 dysymtab->ilocalsym + dysymtab->nlocalsym);
452 printf (" external symbols: idx: %10lu num: %-8lu",
453 dysymtab->iextdefsym, dysymtab->nextdefsym);
454 printf (" (nxtidx: %lu)\n",
455 dysymtab->iextdefsym + dysymtab->nextdefsym);
456 printf (" undefined symbols: idx: %10lu num: %-8lu",
457 dysymtab->iundefsym, dysymtab->nundefsym);
458 printf (" (nxtidx: %lu)\n",
459 dysymtab->iundefsym + dysymtab->nundefsym);
460 printf (" table of content: off: 0x%08lx num: %-8lu",
461 dysymtab->tocoff, dysymtab->ntoc);
462 printf (" (endoff: 0x%08lx)\n",
463 dysymtab->tocoff + dysymtab->ntoc * BFD_MACH_O_TABLE_OF_CONTENT_SIZE);
464 printf (" module table: off: 0x%08lx num: %-8lu",
465 dysymtab->modtaboff, dysymtab->nmodtab);
466 printf (" (endoff: 0x%08lx)\n",
467 dysymtab->modtaboff + dysymtab->nmodtab
468 * (mdata->header.version == 2 ?
469 BFD_MACH_O_DYLIB_MODULE_64_SIZE : BFD_MACH_O_DYLIB_MODULE_SIZE));
470 printf (" external reference table: off: 0x%08lx num: %-8lu",
471 dysymtab->extrefsymoff, dysymtab->nextrefsyms);
472 printf (" (endoff: 0x%08lx)\n",
473 dysymtab->extrefsymoff
474 + dysymtab->nextrefsyms * BFD_MACH_O_REFERENCE_SIZE);
475 printf (" indirect symbol table: off: 0x%08lx num: %-8lu",
476 dysymtab->indirectsymoff, dysymtab->nindirectsyms);
477 printf (" (endoff: 0x%08lx)\n",
478 dysymtab->indirectsymoff
479 + dysymtab->nindirectsyms * BFD_MACH_O_INDIRECT_SYMBOL_SIZE);
480 printf (" external relocation table: off: 0x%08lx num: %-8lu",
481 dysymtab->extreloff, dysymtab->nextrel);
482 printf (" (endoff: 0x%08lx)\n",
483 dysymtab->extreloff + dysymtab->nextrel * BFD_MACH_O_RELENT_SIZE);
484 printf (" local relocation table: off: 0x%08lx num: %-8lu",
485 dysymtab->locreloff, dysymtab->nlocrel);
486 printf (" (endoff: 0x%08lx)\n",
487 dysymtab->locreloff + dysymtab->nlocrel * BFD_MACH_O_RELENT_SIZE);
492 if (dysymtab->ntoc > 0
493 || dysymtab->nindirectsyms > 0
494 || dysymtab->nextrefsyms > 0)
496 /* Try to read the symbols to display the toc or indirect symbols. */
497 bfd_mach_o_read_symtab_symbols (abfd);
499 else if (dysymtab->nmodtab > 0)
501 /* Try to read the strtab to display modules name. */
502 bfd_mach_o_read_symtab_strtab (abfd);
505 for (i = 0; i < dysymtab->nmodtab; i++)
507 bfd_mach_o_dylib_module *module = &dysymtab->dylib_module[i];
508 printf (" module %u:\n", i);
509 printf (" name: %lu", module->module_name_idx);
510 if (mdata->symtab && mdata->symtab->strtab)
512 mdata->symtab->strtab + module->module_name_idx);
514 printf (" extdefsym: idx: %8lu num: %lu\n",
515 module->iextdefsym, module->nextdefsym);
516 printf (" refsym: idx: %8lu num: %lu\n",
517 module->irefsym, module->nrefsym);
518 printf (" localsym: idx: %8lu num: %lu\n",
519 module->ilocalsym, module->nlocalsym);
520 printf (" extrel: idx: %8lu num: %lu\n",
521 module->iextrel, module->nextrel);
522 printf (" init: idx: %8u num: %u\n",
523 module->iinit, module->ninit);
524 printf (" term: idx: %8u num: %u\n",
525 module->iterm, module->nterm);
526 printf (" objc_module_info: addr: ");
527 printf_vma (module->objc_module_info_addr);
528 printf (" size: %lu\n", module->objc_module_info_size);
531 if (dysymtab->ntoc > 0)
533 bfd_mach_o_symtab_command *symtab = mdata->symtab;
535 printf (" table of content: (symbol/module)\n");
536 for (i = 0; i < dysymtab->ntoc; i++)
538 bfd_mach_o_dylib_table_of_content *toc = &dysymtab->dylib_toc[i];
540 printf (" %4u: ", i);
541 if (symtab && symtab->symbols && toc->symbol_index < symtab->nsyms)
543 const char *name = symtab->symbols[toc->symbol_index].symbol.name;
544 printf ("%s (%lu)", name ? name : "*invalid*",
548 printf ("%lu", toc->symbol_index);
551 if (symtab && symtab->strtab
552 && toc->module_index < dysymtab->nmodtab)
554 bfd_mach_o_dylib_module *mod;
555 mod = &dysymtab->dylib_module[toc->module_index];
557 symtab->strtab + mod->module_name_idx,
561 printf ("%lu", toc->module_index);
567 if (dysymtab->nindirectsyms != 0)
569 printf (" indirect symbols:\n");
571 for (i = 0; i < mdata->nsects; i++)
573 bfd_mach_o_section *sec = mdata->sections[i];
574 unsigned int j, first, last;
575 bfd_mach_o_symtab_command *symtab = mdata->symtab;
579 switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK)
581 case BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS:
582 case BFD_MACH_O_S_LAZY_SYMBOL_POINTERS:
583 case BFD_MACH_O_S_SYMBOL_STUBS:
584 first = sec->reserved1;
585 last = first + bfd_mach_o_section_get_nbr_indirect (abfd, sec);
587 entry_size = bfd_mach_o_section_get_entry_size (abfd, sec);
588 printf (" for section %s.%s:\n",
589 sec->segname, sec->sectname);
590 for (j = first; j < last; j++)
592 unsigned int isym = dysymtab->indirect_syms[j];
596 printf (" %5u: 0x%08x", j, isym);
597 if (isym & BFD_MACH_O_INDIRECT_SYMBOL_LOCAL)
599 if (isym & BFD_MACH_O_INDIRECT_SYMBOL_ABS)
600 printf (" ABSOLUTE");
601 if (symtab && symtab->symbols
602 && isym < symtab->nsyms
603 && symtab->symbols[isym].symbol.name)
604 printf (" %s", symtab->symbols[isym].symbol.name);
614 if (dysymtab->nextrefsyms > 0)
616 bfd_mach_o_symtab_command *symtab = mdata->symtab;
618 printf (" external reference table: (symbol flags)\n");
619 for (i = 0; i < dysymtab->nextrefsyms; i++)
621 bfd_mach_o_dylib_reference *ref = &dysymtab->ext_refs[i];
623 printf (" %4u: %5lu 0x%02lx", i, ref->isym, ref->flags);
624 if (symtab && symtab->symbols
625 && ref->isym < symtab->nsyms
626 && symtab->symbols[ref->isym].symbol.name)
627 printf (" %s", symtab->symbols[ref->isym].symbol.name);
635 load_and_dump (bfd *abfd, ufile_ptr off, unsigned int len,
636 void (*dump)(bfd *abfd, unsigned char *buf, unsigned int len,
646 if (bfd_seek (abfd, off, SEEK_SET) == 0
647 && bfd_bread (buf, len, abfd) == len)
648 dump (abfd, buf, len, off);
656 static const bfd_mach_o_xlat_name bfd_mach_o_dyld_rebase_type_name[] =
658 { "pointer", BFD_MACH_O_REBASE_TYPE_POINTER },
659 { "text_abs32", BFD_MACH_O_REBASE_TYPE_TEXT_ABSOLUTE32 },
660 { "text_pcrel32", BFD_MACH_O_REBASE_TYPE_TEXT_PCREL32 },
665 dump_dyld_info_rebase (bfd *abfd, unsigned char *buf, unsigned int len,
666 ufile_ptr off ATTRIBUTE_UNUSED)
669 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
670 unsigned int ptrsize = mdata->header.version == 2 ? 8 : 4;
672 for (i = 0; i < len; )
674 unsigned char b = buf[i++];
675 unsigned char imm = b & BFD_MACH_O_REBASE_IMMEDIATE_MASK;
679 printf (" [0x%04x] 0x%02x: ", i, b);
680 switch (b & BFD_MACH_O_REBASE_OPCODE_MASK)
682 case BFD_MACH_O_REBASE_OPCODE_DONE:
685 case BFD_MACH_O_REBASE_OPCODE_SET_TYPE_IMM:
686 printf ("set_type %s\n",
687 bfd_mach_o_get_name (bfd_mach_o_dyld_rebase_type_name, imm));
689 case BFD_MACH_O_REBASE_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB:
690 leb = read_leb128 (buf + i, &leblen, 0, buf + len);
691 printf ("set segment: %u and offset: 0x%08x\n",
692 imm, (unsigned) leb);
695 case BFD_MACH_O_REBASE_OPCODE_ADD_ADDR_ULEB:
696 leb = read_leb128 (buf + i, &leblen, 0, buf + len);
697 printf ("add addr uleb: 0x%08x\n", (unsigned) leb);
700 case BFD_MACH_O_REBASE_OPCODE_ADD_ADDR_IMM_SCALED:
701 printf ("add addr imm scaled: %u\n", imm * ptrsize);
703 case BFD_MACH_O_REBASE_OPCODE_DO_REBASE_IMM_TIMES:
704 printf ("rebase imm times: %u\n", imm);
706 case BFD_MACH_O_REBASE_OPCODE_DO_REBASE_ULEB_TIMES:
707 leb = read_leb128 (buf + i, &leblen, 0, buf + len);
708 printf ("rebase uleb times: %u\n", (unsigned) leb);
711 case BFD_MACH_O_REBASE_OPCODE_DO_REBASE_ADD_ADDR_ULEB:
712 leb = read_leb128 (buf + i, &leblen, 0, buf + len);
713 printf ("rebase add addr uleb: %u\n", (unsigned) leb);
716 case BFD_MACH_O_REBASE_OPCODE_DO_REBASE_ULEB_TIMES_SKIPPING_ULEB:
717 leb = read_leb128 (buf + i, &leblen, 0, buf + len);
718 printf ("rebase uleb times (%u)", (unsigned) leb);
720 leb = read_leb128 (buf + i, &leblen, 0, buf + len);
721 printf (" skipping uleb (%u)\n", (unsigned) leb);
725 printf ("unknown\n");
729 printf (" rebase commands without end!\n");
733 dump_dyld_info_bind (bfd *abfd, unsigned char *buf, unsigned int len,
734 ufile_ptr off ATTRIBUTE_UNUSED)
737 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
738 unsigned int ptrsize = mdata->header.version == 2 ? 8 : 4;
740 for (i = 0; i < len; )
742 unsigned char b = buf[i++];
743 unsigned char imm = b & BFD_MACH_O_BIND_IMMEDIATE_MASK;
747 printf (" [0x%04x] 0x%02x: ", i, b);
748 switch (b & BFD_MACH_O_BIND_OPCODE_MASK)
750 case BFD_MACH_O_BIND_OPCODE_DONE:
753 case BFD_MACH_O_BIND_OPCODE_SET_DYLIB_ORDINAL_IMM:
754 printf ("set dylib ordinal imm: %u\n", imm);
756 case BFD_MACH_O_BIND_OPCODE_SET_DYLIB_ORDINAL_ULEB:
757 leb = read_leb128 (buf + i, &leblen, 0, buf + len);
758 printf ("set dylib ordinal uleb: %u\n", imm);
761 case BFD_MACH_O_BIND_OPCODE_SET_DYLIB_SPECIAL_IMM:
762 imm = (imm != 0) ? imm | BFD_MACH_O_BIND_OPCODE_MASK : imm;
763 printf ("set dylib special imm: %d\n", imm);
765 case BFD_MACH_O_BIND_OPCODE_SET_SYMBOL_TRAILING_FLAGS_IMM:
766 printf ("set symbol trailing flags imm: 0x%02x, ", imm);
767 for (; i < len && buf[i] != 0; i++)
768 putchar (buf[i] >= ' ' && buf[i] < 0x7f ? buf[i] : '?');
772 case BFD_MACH_O_BIND_OPCODE_SET_TYPE_IMM:
773 /* Kludge: use the same table as rebase type. */
774 printf ("set_type %s\n",
775 bfd_mach_o_get_name (bfd_mach_o_dyld_rebase_type_name, imm));
777 case BFD_MACH_O_BIND_OPCODE_SET_ADDEND_SLEB:
780 svma = read_leb128 (buf + i, &leblen, 0, buf + len);
781 printf ("set addend sleb: 0x%08x\n", (unsigned) svma);
785 case BFD_MACH_O_BIND_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB:
786 leb = read_leb128 (buf + i, &leblen, 0, buf + len);
787 printf ("set segment: %u and offset: 0x%08x\n",
788 imm, (unsigned) leb);
791 case BFD_MACH_O_BIND_OPCODE_ADD_ADDR_ULEB:
792 leb = read_leb128 (buf + i, &leblen, 0, buf + len);
793 printf ("add addr uleb: 0x%08x\n", (unsigned) leb);
796 case BFD_MACH_O_BIND_OPCODE_DO_BIND:
797 printf ("do bind\n");
799 case BFD_MACH_O_BIND_OPCODE_DO_BIND_ADD_ADDR_ULEB:
800 leb = read_leb128 (buf + i, &leblen, 0, buf + len);
801 printf ("do bind add addr uleb: 0x%08x\n", (unsigned) leb);
804 case BFD_MACH_O_BIND_OPCODE_DO_BIND_ADD_ADDR_IMM_SCALED:
805 printf ("do bind add addr imm scaled: %u\n", imm * ptrsize);
807 case BFD_MACH_O_BIND_OPCODE_DO_BIND_ULEB_TIMES_SKIPPING_ULEB:
808 leb = read_leb128 (buf + i, &leblen, 0, buf + len);
809 printf ("do bind uleb times (%u)", (unsigned) leb);
811 leb = read_leb128 (buf + i, &leblen, 0, buf + len);
812 printf (" skipping uleb (%u)\n", (unsigned) leb);
816 printf ("unknown\n");
820 printf (" bind commands without end!\n");
823 struct export_info_data
825 const unsigned char *name;
826 struct export_info_data *next;
830 dump_dyld_info_export_1 (bfd *abfd, unsigned char *buf, unsigned int len,
831 unsigned int off, struct export_info_data *parent,
832 struct export_info_data *base)
836 unsigned int child_count;
839 size = read_leb128 (buf + off, &leblen, 0, buf + len);
845 struct export_info_data *d;
847 flags = read_leb128 (buf + off, &leblen, 0, buf + len);
851 switch (flags & BFD_MACH_O_EXPORT_SYMBOL_FLAGS_KIND_MASK)
853 case BFD_MACH_O_EXPORT_SYMBOL_FLAGS_KIND_REGULAR:
856 case BFD_MACH_O_EXPORT_SYMBOL_FLAGS_KIND_THREAD_LOCAL:
863 putchar ((flags & BFD_MACH_O_EXPORT_SYMBOL_FLAGS_WEAK_DEFINITION) ?
866 if (flags & BFD_MACH_O_EXPORT_SYMBOL_FLAGS_REEXPORT)
870 lib = read_leb128 (buf + off, &leblen, 0, buf + len);
873 fputs (" [reexport] ", stdout);
874 for (d = base; d != NULL; d = d->next)
875 printf ("%s", d->name);
877 fputs (" (", stdout);
880 fputs ((const char *)buf + off, stdout);
882 off += strlen ((const char *)buf + off);
884 printf ("from dylib %u)\n", (unsigned) lib);
892 offset = read_leb128 (buf + off, &leblen, 0, buf + len);
895 if (flags & BFD_MACH_O_EXPORT_SYMBOL_FLAGS_STUB_AND_RESOLVER)
897 resolv = read_leb128 (buf + off, &leblen, 0, buf + len);
901 printf (" 0x%08x ", (unsigned) offset);
902 for (d = base; d != NULL; d = d->next)
903 printf ("%s", d->name);
904 if (flags & BFD_MACH_O_EXPORT_SYMBOL_FLAGS_STUB_AND_RESOLVER)
905 printf (" [resolv: 0x%08x]", (unsigned) resolv);
910 child_count = read_leb128 (buf + off, &leblen, 0, buf + len);
913 for (i = 0; i < child_count; i++)
915 struct export_info_data sub_data;
918 sub_data.name = buf + off;
919 sub_data.next = NULL;
920 parent->next = &sub_data;
922 off += strlen ((const char *)buf + off) + 1;
924 sub_off = read_leb128 (buf + off, &leblen, 0, buf + len);
927 dump_dyld_info_export_1 (abfd, buf, len, sub_off, &sub_data, base);
932 dump_dyld_info_export (bfd *abfd, unsigned char *buf, unsigned int len,
933 ufile_ptr off ATTRIBUTE_UNUSED)
935 struct export_info_data data;
937 data.name = (const unsigned char *) "";
940 printf (" fl offset sym (Flags: Tls Weak)\n");
941 dump_dyld_info_export_1 (abfd, buf, len, 0, &data, &data);
945 dump_dyld_info (bfd *abfd, bfd_mach_o_load_command *cmd,
948 bfd_mach_o_dyld_info_command *dinfo = &cmd->command.dyld_info;
950 printf (" rebase: off: 0x%08x size: %-8u (endoff: 0x%08x)\n",
951 dinfo->rebase_off, dinfo->rebase_size,
952 dinfo->rebase_off + dinfo->rebase_size);
953 printf (" bind: off: 0x%08x size: %-8u (endoff: 0x%08x)\n",
954 dinfo->bind_off, dinfo->bind_size,
955 dinfo->bind_off + dinfo->bind_size);
956 printf (" weak bind: off: 0x%08x size: %-8u (endoff: 0x%08x)\n",
957 dinfo->weak_bind_off, dinfo->weak_bind_size,
958 dinfo->weak_bind_off + dinfo->weak_bind_size);
959 printf (" lazy bind: off: 0x%08x size: %-8u (endoff: 0x%08x)\n",
960 dinfo->lazy_bind_off, dinfo->lazy_bind_size,
961 dinfo->lazy_bind_off + dinfo->lazy_bind_size);
962 printf (" export: off: 0x%08x size: %-8u (endoff: 0x%08x)\n",
963 dinfo->export_off, dinfo->export_size,
964 dinfo->export_off + dinfo->export_size);
969 printf (" rebase:\n");
970 if (!load_and_dump (abfd, dinfo->rebase_off, dinfo->rebase_size,
971 dump_dyld_info_rebase))
972 non_fatal (_("cannot read rebase dyld info"));
975 if (!load_and_dump (abfd, dinfo->bind_off, dinfo->bind_size,
976 dump_dyld_info_bind))
977 non_fatal (_("cannot read bind dyld info"));
979 printf (" weak bind:\n");
980 if (!load_and_dump (abfd, dinfo->weak_bind_off, dinfo->weak_bind_size,
981 dump_dyld_info_bind))
982 non_fatal (_("cannot read weak bind dyld info"));
984 printf (" lazy bind:\n");
985 if (!load_and_dump (abfd, dinfo->lazy_bind_off, dinfo->lazy_bind_size,
986 dump_dyld_info_bind))
987 non_fatal (_("cannot read lazy bind dyld info"));
989 printf (" exported symbols:\n");
990 if (!load_and_dump (abfd, dinfo->export_off, dinfo->export_size,
991 dump_dyld_info_export))
992 non_fatal (_("cannot read export symbols dyld info"));
996 dump_thread (bfd *abfd, bfd_mach_o_load_command *cmd)
998 bfd_mach_o_thread_command *thread = &cmd->command.thread;
1000 bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd);
1001 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
1003 printf (" nflavours: %lu\n", thread->nflavours);
1004 for (j = 0; j < thread->nflavours; j++)
1006 bfd_mach_o_thread_flavour *flavour = &thread->flavours[j];
1007 const bfd_mach_o_xlat_name *name_table;
1009 printf (" %2u: flavour: 0x%08lx", j, flavour->flavour);
1010 switch (mdata->header.cputype)
1012 case BFD_MACH_O_CPU_TYPE_I386:
1013 case BFD_MACH_O_CPU_TYPE_X86_64:
1014 name_table = bfd_mach_o_thread_x86_name;
1020 if (name_table != NULL)
1021 printf (": %s", bfd_mach_o_get_name (name_table, flavour->flavour));
1024 printf (" offset: 0x%08lx size: 0x%08lx\n",
1025 flavour->offset, flavour->size);
1026 if (bed->_bfd_mach_o_print_thread)
1028 char *buf = xmalloc (flavour->size);
1030 if (bfd_seek (abfd, flavour->offset, SEEK_SET) == 0
1031 && bfd_bread (buf, flavour->size, abfd) == flavour->size)
1032 (*bed->_bfd_mach_o_print_thread)(abfd, flavour, stdout, buf);
1039 static const bfd_mach_o_xlat_name bfd_mach_o_cs_magic[] =
1041 { "embedded signature", BFD_MACH_O_CS_MAGIC_EMBEDDED_SIGNATURE },
1042 { "requirement", BFD_MACH_O_CS_MAGIC_REQUIREMENT },
1043 { "requirements", BFD_MACH_O_CS_MAGIC_REQUIREMENTS },
1044 { "code directory", BFD_MACH_O_CS_MAGIC_CODEDIRECTORY },
1045 { "embedded entitlements", BFD_MACH_O_CS_MAGIC_EMBEDDED_ENTITLEMENTS },
1046 { "blob wrapper", BFD_MACH_O_CS_MAGIC_BLOB_WRAPPER },
1050 static const bfd_mach_o_xlat_name bfd_mach_o_cs_hash_type[] =
1052 { "no-hash", BFD_MACH_O_CS_NO_HASH },
1053 { "sha1", BFD_MACH_O_CS_HASH_SHA1 },
1054 { "sha256", BFD_MACH_O_CS_HASH_SHA256 },
1055 { "skein 160", BFD_MACH_O_CS_HASH_PRESTANDARD_SKEIN_160x256 },
1056 { "skein 256", BFD_MACH_O_CS_HASH_PRESTANDARD_SKEIN_256x512 },
1061 dump_code_signature_blob (bfd *abfd, const unsigned char *buf, unsigned int len);
1064 dump_code_signature_superblob (bfd *abfd ATTRIBUTE_UNUSED,
1065 const unsigned char *buf, unsigned int len)
1072 printf (_(" [bad block length]\n"));
1075 count = bfd_getb32 (buf + 8);
1076 printf (ngettext (" %u index entry:\n",
1077 " %u index entries:\n",
1080 if (len < 12 + 8 * count)
1082 printf (_(" [bad block length]\n"));
1085 for (i = 0; i < count; i++)
1090 type = bfd_getb32 (buf + 12 + 8 * i);
1091 off = bfd_getb32 (buf + 12 + 8 * i + 4);
1092 printf (_(" index entry %u: type: %08x, offset: %08x\n"),
1095 dump_code_signature_blob (abfd, buf + off, len - off);
1100 swap_code_codedirectory_v1_in
1101 (const struct mach_o_codesign_codedirectory_external_v1 *src,
1102 struct mach_o_codesign_codedirectory_v1 *dst)
1104 dst->version = bfd_getb32 (src->version);
1105 dst->flags = bfd_getb32 (src->flags);
1106 dst->hash_offset = bfd_getb32 (src->hash_offset);
1107 dst->ident_offset = bfd_getb32 (src->ident_offset);
1108 dst->nbr_special_slots = bfd_getb32 (src->nbr_special_slots);
1109 dst->nbr_code_slots = bfd_getb32 (src->nbr_code_slots);
1110 dst->code_limit = bfd_getb32 (src->code_limit);
1111 dst->hash_size = src->hash_size[0];
1112 dst->hash_type = src->hash_type[0];
1113 dst->spare1 = src->spare1[0];
1114 dst->page_size = src->page_size[0];
1115 dst->spare2 = bfd_getb32 (src->spare2);
1119 hexdump (unsigned int start, unsigned int len,
1120 const unsigned char *buf)
1124 for (i = 0; i < len; i += 16)
1126 printf ("%08x:", start + i);
1127 for (j = 0; j < 16; j++)
1129 fputc (j == 8 ? '-' : ' ', stdout);
1131 printf ("%02x", buf[i + j]);
1133 fputs (" ", stdout);
1135 fputc (' ', stdout);
1136 for (j = 0; j < 16; j++)
1139 fputc (ISPRINT (buf[i + j]) ? buf[i + j] : '.', stdout);
1141 fputc (' ', stdout);
1143 fputc ('\n', stdout);
1148 dump_code_signature_codedirectory (bfd *abfd ATTRIBUTE_UNUSED,
1149 const unsigned char *buf, unsigned int len)
1151 struct mach_o_codesign_codedirectory_v1 cd;
1154 if (len < sizeof (struct mach_o_codesign_codedirectory_external_v1))
1156 printf (_(" [bad block length]\n"));
1160 swap_code_codedirectory_v1_in
1161 ((const struct mach_o_codesign_codedirectory_external_v1 *) (buf + 8), &cd);
1163 printf (_(" version: %08x\n"), cd.version);
1164 printf (_(" flags: %08x\n"), cd.flags);
1165 printf (_(" hash offset: %08x\n"), cd.hash_offset);
1166 id = (const char *) buf + cd.ident_offset;
1167 printf (_(" ident offset: %08x (- %08x)\n"),
1168 cd.ident_offset, cd.ident_offset + (unsigned) strlen (id) + 1);
1169 printf (_(" identity: %s\n"), id);
1170 printf (_(" nbr special slots: %08x (at offset %08x)\n"),
1171 cd.nbr_special_slots,
1172 cd.hash_offset - cd.nbr_special_slots * cd.hash_size);
1173 printf (_(" nbr code slots: %08x\n"), cd.nbr_code_slots);
1174 printf (_(" code limit: %08x\n"), cd.code_limit);
1175 printf (_(" hash size: %02x\n"), cd.hash_size);
1176 printf (_(" hash type: %02x (%s)\n"),
1178 bfd_mach_o_get_name (bfd_mach_o_cs_hash_type, cd.hash_type));
1179 printf (_(" spare1: %02x\n"), cd.spare1);
1180 printf (_(" page size: %02x\n"), cd.page_size);
1181 printf (_(" spare2: %08x\n"), cd.spare2);
1182 if (cd.version >= 0x20100)
1183 printf (_(" scatter offset: %08x\n"),
1184 (unsigned) bfd_getb32 (buf + 44));
1188 dump_code_signature_blob (bfd *abfd, const unsigned char *buf, unsigned int len)
1191 unsigned int length;
1195 printf (_(" [truncated block]\n"));
1198 magic = bfd_getb32 (buf);
1199 length = bfd_getb32 (buf + 4);
1200 if (magic == 0 || length == 0)
1203 printf (_(" magic : %08x (%s)\n"), magic,
1204 bfd_mach_o_get_name (bfd_mach_o_cs_magic, magic));
1205 printf (_(" length: %08x\n"), length);
1208 printf (_(" [bad block length]\n"));
1214 case BFD_MACH_O_CS_MAGIC_EMBEDDED_SIGNATURE:
1215 dump_code_signature_superblob (abfd, buf, length);
1217 case BFD_MACH_O_CS_MAGIC_CODEDIRECTORY:
1218 dump_code_signature_codedirectory (abfd, buf, length);
1221 hexdump (0, length - 8, buf + 8);
1228 dump_code_signature (bfd *abfd, bfd_mach_o_linkedit_command *cmd)
1230 unsigned char *buf = xmalloc (cmd->datasize);
1233 if (bfd_seek (abfd, cmd->dataoff, SEEK_SET) != 0
1234 || bfd_bread (buf, cmd->datasize, abfd) != cmd->datasize)
1236 non_fatal (_("cannot read code signature data"));
1240 for (off = 0; off < cmd->datasize;)
1244 len = dump_code_signature_blob (abfd, buf + off, cmd->datasize - off);
1254 dump_segment_split_info (bfd *abfd, bfd_mach_o_linkedit_command *cmd)
1256 unsigned char *buf = xmalloc (cmd->datasize);
1261 if (bfd_seek (abfd, cmd->dataoff, SEEK_SET) != 0
1262 || bfd_bread (buf, cmd->datasize, abfd) != cmd->datasize)
1264 non_fatal (_("cannot read segment split info"));
1268 if (buf[cmd->datasize - 1] != 0)
1270 non_fatal (_("segment split info is not nul terminated"));
1278 printf (_(" 32 bit pointers:\n"));
1281 printf (_(" 64 bit pointers:\n"));
1284 printf (_(" PPC hi-16:\n"));
1287 printf (_(" Unhandled location type %u\n"), buf[0]);
1290 for (p = buf + 1; *p != 0; p += len)
1292 addr += read_leb128 (p, &len, 0, buf + cmd->datasize);
1293 fputs (" ", stdout);
1294 bfd_printf_vma (abfd, addr);
1301 dump_function_starts (bfd *abfd, bfd_mach_o_linkedit_command *cmd)
1303 unsigned char *buf = xmalloc (cmd->datasize);
1304 unsigned char *end_buf = buf + cmd->datasize;
1308 if (bfd_seek (abfd, cmd->dataoff, SEEK_SET) != 0
1309 || bfd_bread (buf, cmd->datasize, abfd) != cmd->datasize)
1311 non_fatal (_("cannot read function starts"));
1316 /* Function starts are delta encoded, starting from the base address. */
1317 addr = bfd_mach_o_get_base_address (abfd);
1322 unsigned int shift = 0;
1324 if (*p == 0 || p == end_buf)
1328 unsigned char b = *p++;
1330 delta |= (b & 0x7f) << shift;
1331 if ((b & 0x80) == 0)
1335 fputs (" [truncated]\n", stdout);
1342 fputs (" ", stdout);
1343 bfd_printf_vma (abfd, addr);
1349 static const bfd_mach_o_xlat_name data_in_code_kind_name[] =
1351 { "data", BFD_MACH_O_DICE_KIND_DATA },
1352 { "1 byte jump table", BFD_MACH_O_DICE_JUMP_TABLES8 },
1353 { "2 bytes jump table", BFD_MACH_O_DICE_JUMP_TABLES16 },
1354 { "4 bytes jump table", BFD_MACH_O_DICE_JUMP_TABLES32 },
1355 { "4 bytes abs jump table", BFD_MACH_O_DICE_ABS_JUMP_TABLES32 },
1360 dump_data_in_code (bfd *abfd, bfd_mach_o_linkedit_command *cmd)
1365 if (cmd->datasize == 0)
1367 printf (" no data_in_code entries\n");
1371 buf = xmalloc (cmd->datasize);
1372 if (bfd_seek (abfd, cmd->dataoff, SEEK_SET) != 0
1373 || bfd_bread (buf, cmd->datasize, abfd) != cmd->datasize)
1375 non_fatal (_("cannot read data_in_code"));
1380 printf (" offset length kind\n");
1381 for (p = buf; p < buf + cmd->datasize; )
1383 struct mach_o_data_in_code_entry_external *dice;
1384 unsigned int offset;
1385 unsigned int length;
1388 dice = (struct mach_o_data_in_code_entry_external *) p;
1390 offset = bfd_get_32 (abfd, dice->offset);
1391 length = bfd_get_16 (abfd, dice->length);
1392 kind = bfd_get_16 (abfd, dice->kind);
1394 printf (" 0x%08x 0x%04x 0x%04x %s\n", offset, length, kind,
1395 bfd_mach_o_get_name (data_in_code_kind_name, kind));
1397 p += sizeof (*dice);
1403 dump_twolevel_hints (bfd *abfd, bfd_mach_o_twolevel_hints_command *cmd)
1405 size_t sz = 4 * cmd->nhints;
1410 if (bfd_seek (abfd, cmd->offset, SEEK_SET) != 0
1411 || bfd_bread (buf, sz, abfd) != sz)
1413 non_fatal (_("cannot read twolevel hints"));
1418 for (p = buf; p < buf + sz; p += 4)
1421 unsigned int isub_image;
1424 v = bfd_get_32 (abfd, p);
1425 if (bfd_big_endian (abfd))
1427 isub_image = (v >> 24) & 0xff;
1428 itoc = v & 0xffffff;
1432 isub_image = v & 0xff;
1433 itoc = (v >> 8) & 0xffffff;
1436 printf (" %3u %8u\n", isub_image, itoc);
1442 dump_load_command (bfd *abfd, bfd_mach_o_load_command *cmd,
1443 unsigned int idx, bfd_boolean verbose)
1445 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
1446 const char *cmd_name;
1448 cmd_name = bfd_mach_o_get_name_or_null
1449 (bfd_mach_o_load_command_name, cmd->type);
1450 printf ("Load command #%-2u (size: %3u, offset: %4u): ",
1451 idx, cmd->len, cmd->offset);
1452 if (cmd_name == NULL)
1453 printf ("0x%02x\n", cmd->type);
1455 printf ("%s\n", cmd_name);
1459 case BFD_MACH_O_LC_SEGMENT:
1460 case BFD_MACH_O_LC_SEGMENT_64:
1461 dump_segment (abfd, cmd);
1463 case BFD_MACH_O_LC_UUID:
1465 bfd_mach_o_uuid_command *uuid = &cmd->command.uuid;
1469 for (j = 0; j < sizeof (uuid->uuid); j ++)
1470 printf (" %02x", uuid->uuid[j]);
1474 case BFD_MACH_O_LC_LOAD_DYLIB:
1475 case BFD_MACH_O_LC_LAZY_LOAD_DYLIB:
1476 case BFD_MACH_O_LC_LOAD_WEAK_DYLIB:
1477 case BFD_MACH_O_LC_REEXPORT_DYLIB:
1478 case BFD_MACH_O_LC_ID_DYLIB:
1479 case BFD_MACH_O_LC_LOAD_UPWARD_DYLIB:
1481 bfd_mach_o_dylib_command *dylib = &cmd->command.dylib;
1482 printf (" name: %s\n", dylib->name_str);
1483 printf (" time stamp: 0x%08lx\n",
1485 printf (" current version: 0x%08lx\n",
1486 dylib->current_version);
1487 printf (" comptibility version: 0x%08lx\n",
1488 dylib->compatibility_version);
1491 case BFD_MACH_O_LC_LOAD_DYLINKER:
1492 case BFD_MACH_O_LC_ID_DYLINKER:
1493 printf (" %s\n", cmd->command.dylinker.name_str);
1495 case BFD_MACH_O_LC_DYLD_ENVIRONMENT:
1496 printf (" %s\n", cmd->command.dylinker.name_str);
1498 case BFD_MACH_O_LC_SYMTAB:
1500 bfd_mach_o_symtab_command *symtab = &cmd->command.symtab;
1501 printf (" symoff: 0x%08x nsyms: %8u (endoff: 0x%08x)\n",
1502 symtab->symoff, symtab->nsyms,
1503 symtab->symoff + symtab->nsyms
1504 * (mdata->header.version == 2
1505 ? BFD_MACH_O_NLIST_64_SIZE : BFD_MACH_O_NLIST_SIZE));
1506 printf (" stroff: 0x%08x strsize: %8u (endoff: 0x%08x)\n",
1507 symtab->stroff, symtab->strsize,
1508 symtab->stroff + symtab->strsize);
1511 case BFD_MACH_O_LC_DYSYMTAB:
1512 dump_dysymtab (abfd, cmd, verbose);
1514 case BFD_MACH_O_LC_LOADFVMLIB:
1515 case BFD_MACH_O_LC_IDFVMLIB:
1517 bfd_mach_o_fvmlib_command *fvmlib = &cmd->command.fvmlib;
1518 printf (" fvmlib: %s\n", fvmlib->name_str);
1519 printf (" minor version: 0x%08x\n", fvmlib->minor_version);
1520 printf (" header address: 0x%08x\n", fvmlib->header_addr);
1523 case BFD_MACH_O_LC_CODE_SIGNATURE:
1524 case BFD_MACH_O_LC_SEGMENT_SPLIT_INFO:
1525 case BFD_MACH_O_LC_FUNCTION_STARTS:
1526 case BFD_MACH_O_LC_DATA_IN_CODE:
1527 case BFD_MACH_O_LC_DYLIB_CODE_SIGN_DRS:
1529 bfd_mach_o_linkedit_command *linkedit = &cmd->command.linkedit;
1531 (" dataoff: 0x%08lx datasize: 0x%08lx (endoff: 0x%08lx)\n",
1532 linkedit->dataoff, linkedit->datasize,
1533 linkedit->dataoff + linkedit->datasize);
1538 case BFD_MACH_O_LC_CODE_SIGNATURE:
1539 dump_code_signature (abfd, linkedit);
1541 case BFD_MACH_O_LC_SEGMENT_SPLIT_INFO:
1542 dump_segment_split_info (abfd, linkedit);
1544 case BFD_MACH_O_LC_FUNCTION_STARTS:
1545 dump_function_starts (abfd, linkedit);
1547 case BFD_MACH_O_LC_DATA_IN_CODE:
1548 dump_data_in_code (abfd, linkedit);
1555 case BFD_MACH_O_LC_SUB_FRAMEWORK:
1556 case BFD_MACH_O_LC_SUB_UMBRELLA:
1557 case BFD_MACH_O_LC_SUB_LIBRARY:
1558 case BFD_MACH_O_LC_SUB_CLIENT:
1559 case BFD_MACH_O_LC_RPATH:
1561 bfd_mach_o_str_command *strc = &cmd->command.str;
1562 printf (" %s\n", strc->str);
1565 case BFD_MACH_O_LC_THREAD:
1566 case BFD_MACH_O_LC_UNIXTHREAD:
1567 dump_thread (abfd, cmd);
1569 case BFD_MACH_O_LC_ENCRYPTION_INFO:
1571 bfd_mach_o_encryption_info_command *cryp =
1572 &cmd->command.encryption_info;
1573 printf (" cryptoff: 0x%08x cryptsize: 0x%08x (endoff 0x%08x)"
1575 cryp->cryptoff, cryp->cryptsize,
1576 cryp->cryptoff + cryp->cryptsize,
1580 case BFD_MACH_O_LC_DYLD_INFO:
1581 dump_dyld_info (abfd, cmd, verbose);
1583 case BFD_MACH_O_LC_VERSION_MIN_MACOSX:
1584 case BFD_MACH_O_LC_VERSION_MIN_IPHONEOS:
1586 bfd_mach_o_version_min_command *ver = &cmd->command.version_min;
1588 printf (" %u.%u.%u\n", ver->rel, ver->maj, ver->min);
1591 case BFD_MACH_O_LC_SOURCE_VERSION:
1593 bfd_mach_o_source_version_command *version =
1594 &cmd->command.source_version;
1595 printf (" version a.b.c.d.e: %u.%u.%u.%u.%u\n",
1596 version->a, version->b, version->c, version->d, version->e);
1599 case BFD_MACH_O_LC_PREBOUND_DYLIB:
1601 bfd_mach_o_prebound_dylib_command *pbdy = &cmd->command.prebound_dylib;
1602 unsigned char *lm = pbdy->linked_modules;
1606 printf (" dylib: %s\n", pbdy->name_str);
1607 printf (" nmodules: %u\n", pbdy->nmodules);
1608 printf (" linked modules (at %u): ",
1609 pbdy->linked_modules_offset - cmd->offset);
1610 last = pbdy->nmodules > 32 ? 32 : pbdy->nmodules;
1611 for (j = 0; j < last; j++)
1612 printf ("%u", (lm[j >> 3] >> (j & 7)) & 1);
1613 if (last < pbdy->nmodules)
1618 case BFD_MACH_O_LC_PREBIND_CKSUM:
1620 bfd_mach_o_prebind_cksum_command *cksum = &cmd->command.prebind_cksum;
1621 printf (" 0x%08x\n", cksum->cksum);
1624 case BFD_MACH_O_LC_TWOLEVEL_HINTS:
1626 bfd_mach_o_twolevel_hints_command *hints =
1627 &cmd->command.twolevel_hints;
1629 printf (" table offset: 0x%08x nbr hints: %u\n",
1630 hints->offset, hints->nhints);
1632 dump_twolevel_hints (abfd, hints);
1635 case BFD_MACH_O_LC_MAIN:
1637 bfd_mach_o_main_command *entry = &cmd->command.main;
1638 printf (" entry offset: ");
1639 printf_uint64 (entry->entryoff);
1642 printf_uint64 (entry->stacksize);
1653 dump_load_commands (bfd *abfd, unsigned int cmd32, unsigned int cmd64)
1655 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
1656 bfd_mach_o_load_command *cmd;
1659 for (cmd = mdata->first_command, i = 0; cmd != NULL; cmd = cmd->next, i++)
1662 dump_load_command (abfd, cmd, i, FALSE);
1663 else if (cmd->type == cmd32 || cmd->type == cmd64)
1664 dump_load_command (abfd, cmd, i, TRUE);
1668 static const char * const unwind_x86_64_regs[] =
1669 {"", "rbx", "r12", "r13", "r14", "r15", "rbp", "???" };
1671 static const char * const unwind_x86_regs[] =
1672 {"", "ebx", "ecx", "edx", "edi", "edi", "ebp", "???" };
1674 /* Dump x86 or x86-64 compact unwind encoding. Works for both architecture,
1675 as the encoding is the same (but not register names). */
1678 dump_unwind_encoding_x86 (unsigned int encoding, unsigned int sz,
1679 const char * const regs_name[])
1683 mode = encoding & MACH_O_UNWIND_X86_64_MODE_MASK;
1686 case MACH_O_UNWIND_X86_64_MODE_RBP_FRAME:
1689 char pfx = sz == 8 ? 'R' : 'E';
1691 regs = encoding & MACH_O_UNWIND_X86_64_RBP_FRAME_REGSITERS;
1692 printf (" %cSP frame", pfx);
1695 unsigned int offset;
1698 offset = (encoding & MACH_O_UNWIND_X86_64_RBP_FRAME_OFFSET) >> 16;
1699 printf (" at %cBP-%u:", pfx, offset * sz);
1700 for (i = 0; i < 5; i++)
1702 unsigned int reg = (regs >> (i * 3)) & 0x7;
1703 if (reg != MACH_O_UNWIND_X86_64_REG_NONE)
1704 printf (" %s", regs_name[reg]);
1709 case MACH_O_UNWIND_X86_64_MODE_STACK_IMMD:
1710 case MACH_O_UNWIND_X86_64_MODE_STACK_IND:
1712 unsigned int stack_size;
1713 unsigned int reg_count;
1714 unsigned int reg_perm;
1715 unsigned int regs[6];
1718 printf (" frameless");
1720 (encoding & MACH_O_UNWIND_X86_64_FRAMELESS_STACK_SIZE) >> 16;
1722 (encoding & MACH_O_UNWIND_X86_64_FRAMELESS_REG_COUNT) >> 10;
1723 reg_perm = encoding & MACH_O_UNWIND_X86_64_FRAMELESS_REG_PERMUTATION;
1725 if (mode == MACH_O_UNWIND_X86_64_MODE_STACK_IMMD)
1726 printf (" size: 0x%03x", stack_size * sz);
1729 unsigned int stack_adj;
1732 (encoding & MACH_O_UNWIND_X86_64_FRAMELESS_STACK_ADJUST) >> 13;
1733 printf (" size at 0x%03x + 0x%02x", stack_size, stack_adj * sz);
1735 /* Registers are coded using arithmetic compression: the register
1736 is indexed in range 0-6, the second in range 0-5, the third in
1737 range 0-4, etc. Already used registers are removed in next
1739 #define DO_PERM(R, NUM) R = reg_perm / NUM; reg_perm -= R * NUM
1744 DO_PERM (regs[0], 120);
1745 DO_PERM (regs[1], 24);
1746 DO_PERM (regs[2], 6);
1747 DO_PERM (regs[3], 2);
1748 DO_PERM (regs[4], 1);
1749 regs[5] = 0; /* Not used if reg_count = 5. */
1752 DO_PERM (regs[0], 60);
1753 DO_PERM (regs[1], 12);
1754 DO_PERM (regs[2], 3);
1755 DO_PERM (regs[3], 1);
1758 DO_PERM (regs[0], 20);
1759 DO_PERM (regs[1], 4);
1760 DO_PERM (regs[2], 1);
1763 DO_PERM (regs[0], 5);
1764 DO_PERM (regs[1], 1);
1767 DO_PERM (regs[0], 1);
1772 printf (" [bad reg count]");
1777 for (i = reg_count - 1; i >= 0; i--)
1779 unsigned int inc = 1;
1780 for (j = 0; j < i; j++)
1781 if (regs[i] >= regs[j])
1786 for (i = 0; i < (int) reg_count; i++)
1787 printf (" %s", regs_name[regs[i]]);
1790 case MACH_O_UNWIND_X86_64_MODE_DWARF:
1791 printf (" Dwarf offset: 0x%06x",
1792 encoding & MACH_O_UNWIND_X86_64_DWARF_SECTION_OFFSET);
1795 printf (" [unhandled mode]");
1800 /* Dump arm64 compact unwind entries. */
1803 dump_unwind_encoding_arm64 (unsigned int encoding)
1805 switch (encoding & MACH_O_UNWIND_ARM64_MODE_MASK)
1807 case MACH_O_UNWIND_ARM64_MODE_FRAMELESS:
1808 printf (" frameless");
1810 case MACH_O_UNWIND_ARM64_MODE_DWARF:
1811 printf (" Dwarf offset: 0x%06x",
1812 encoding & MACH_O_UNWIND_ARM64_DWARF_SECTION_OFFSET);
1814 case MACH_O_UNWIND_ARM64_MODE_FRAME:
1818 printf (" [unhandled mode]");
1821 switch (encoding & MACH_O_UNWIND_ARM64_MODE_MASK)
1823 case MACH_O_UNWIND_ARM64_MODE_FRAMELESS:
1824 case MACH_O_UNWIND_ARM64_MODE_FRAME:
1825 if (encoding & MACH_O_UNWIND_ARM64_FRAME_X19_X20_PAIR)
1826 printf (" x19-x20");
1827 if (encoding & MACH_O_UNWIND_ARM64_FRAME_X21_X22_PAIR)
1828 printf (" x21-x22");
1829 if (encoding & MACH_O_UNWIND_ARM64_FRAME_X23_X24_PAIR)
1830 printf (" x23-x24");
1831 if (encoding & MACH_O_UNWIND_ARM64_FRAME_X25_X26_PAIR)
1832 printf (" x25-x26");
1833 if (encoding & MACH_O_UNWIND_ARM64_FRAME_X27_X28_PAIR)
1834 printf (" x27-x28");
1837 switch (encoding & MACH_O_UNWIND_ARM64_MODE_MASK)
1839 case MACH_O_UNWIND_ARM64_MODE_FRAME:
1840 if (encoding & MACH_O_UNWIND_ARM64_FRAME_D8_D9_PAIR)
1842 if (encoding & MACH_O_UNWIND_ARM64_FRAME_D10_D11_PAIR)
1843 printf (" d10-d11");
1844 if (encoding & MACH_O_UNWIND_ARM64_FRAME_D12_D13_PAIR)
1845 printf (" d12-d13");
1846 if (encoding & MACH_O_UNWIND_ARM64_FRAME_D14_D15_PAIR)
1847 printf (" d14-d15");
1849 case MACH_O_UNWIND_ARM64_MODE_FRAMELESS:
1850 printf (" size: %u",
1851 (encoding & MACH_O_UNWIND_ARM64_FRAMELESS_STACK_SIZE_MASK) >> 8);
1857 dump_unwind_encoding (bfd_mach_o_data_struct *mdata, unsigned int encoding)
1859 printf ("0x%08x", encoding);
1863 switch (mdata->header.cputype)
1865 case BFD_MACH_O_CPU_TYPE_X86_64:
1866 dump_unwind_encoding_x86 (encoding, 8, unwind_x86_64_regs);
1868 case BFD_MACH_O_CPU_TYPE_I386:
1869 dump_unwind_encoding_x86 (encoding, 4, unwind_x86_regs);
1871 case BFD_MACH_O_CPU_TYPE_ARM64:
1872 dump_unwind_encoding_arm64 (encoding);
1875 printf (" [unhandled cpu]");
1878 if (encoding & MACH_O_UNWIND_HAS_LSDA)
1880 if (encoding & MACH_O_UNWIND_PERSONALITY_MASK)
1881 printf (" PERS(%u)",
1882 ((encoding & MACH_O_UNWIND_PERSONALITY_MASK)
1883 >> MACH_O_UNWIND_PERSONALITY_SHIFT));
1887 dump_obj_compact_unwind (bfd *abfd,
1888 const unsigned char *content, bfd_size_type size)
1890 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
1891 int is_64 = mdata->header.version == 2;
1892 const unsigned char *p;
1894 printf ("Compact unwind info:\n");
1895 printf (" start length personality lsda\n");
1899 struct mach_o_compact_unwind_64 *e =
1900 (struct mach_o_compact_unwind_64 *) content;
1902 for (p = content; p < content + size; p += sizeof (*e))
1904 e = (struct mach_o_compact_unwind_64 *) p;
1907 printf_uint64 (bfd_get_64 (abfd, e->start));
1908 printf (" %08lx", bfd_get_32 (abfd, e->length));
1910 printf_uint64 (bfd_get_64 (abfd, e->personality));
1912 printf_uint64 (bfd_get_64 (abfd, e->lsda));
1915 printf (" encoding: ");
1916 dump_unwind_encoding (mdata, bfd_get_32 (abfd, e->encoding));
1922 printf ("unhandled\n");
1927 dump_exe_compact_unwind (bfd *abfd,
1928 const unsigned char *content, bfd_size_type size)
1930 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
1931 struct mach_o_unwind_info_header *hdr;
1932 unsigned int version;
1933 unsigned int encodings_offset;
1934 unsigned int encodings_count;
1935 unsigned int personality_offset;
1936 unsigned int personality_count;
1937 unsigned int index_offset;
1938 unsigned int index_count;
1939 struct mach_o_unwind_index_entry *index_entry;
1943 printf ("Compact unwind info:\n");
1945 hdr = (struct mach_o_unwind_info_header *) content;
1946 if (size < sizeof (*hdr))
1948 printf (" truncated!\n");
1952 version = bfd_get_32 (abfd, hdr->version);
1953 if (version != MACH_O_UNWIND_SECTION_VERSION)
1955 printf (" unknown version: %u\n", version);
1958 encodings_offset = bfd_get_32 (abfd, hdr->encodings_array_offset);
1959 encodings_count = bfd_get_32 (abfd, hdr->encodings_array_count);
1960 personality_offset = bfd_get_32 (abfd, hdr->personality_array_offset);
1961 personality_count = bfd_get_32 (abfd, hdr->personality_array_count);
1962 index_offset = bfd_get_32 (abfd, hdr->index_offset);
1963 index_count = bfd_get_32 (abfd, hdr->index_count);
1964 printf (" %u encodings, %u personalities, %u level-1 indexes:\n",
1965 encodings_count, personality_count, index_count);
1968 if (personality_count > 0)
1970 const unsigned char *pers = content + personality_offset;
1972 printf (" personalities\n");
1973 for (i = 0; i < personality_count; i++)
1974 printf (" %u: 0x%08x\n", i,
1975 (unsigned) bfd_get_32 (abfd, pers + 4 * i));
1978 /* Level-1 index. */
1979 printf (" idx function level2 off lsda off\n");
1981 index_entry = (struct mach_o_unwind_index_entry *) (content + index_offset);
1982 for (i = 0; i < index_count; i++)
1984 unsigned int func_offset;
1985 unsigned int level2_offset;
1986 unsigned int lsda_offset;
1988 func_offset = bfd_get_32 (abfd, index_entry->function_offset);
1989 level2_offset = bfd_get_32 (abfd, index_entry->second_level_offset);
1990 lsda_offset = bfd_get_32 (abfd, index_entry->lsda_index_offset);
1991 printf (" %3u 0x%08x 0x%08x 0x%08x\n",
1992 i, func_offset, level2_offset, lsda_offset);
1996 /* Level-1 index. */
1997 index_entry = (struct mach_o_unwind_index_entry *) (content + index_offset);
1998 for (i = 0; i < index_count; i++)
2000 unsigned int func_offset;
2001 unsigned int level2_offset;
2002 const unsigned char *level2;
2005 func_offset = bfd_get_32 (abfd, index_entry->function_offset);
2006 level2_offset = bfd_get_32 (abfd, index_entry->second_level_offset);
2008 /* No level-2 for this index (should be the last index). */
2009 if (level2_offset == 0)
2012 level2 = content + level2_offset;
2013 kind = bfd_get_32 (abfd, level2);
2016 case MACH_O_UNWIND_SECOND_LEVEL_COMPRESSED:
2018 struct mach_o_unwind_compressed_second_level_page_header *l2;
2019 unsigned int entry_offset;
2020 unsigned int entry_count;
2021 unsigned int l2_encodings_offset;
2022 unsigned int l2_encodings_count;
2023 const unsigned char *en;
2026 l2 = (struct mach_o_unwind_compressed_second_level_page_header *)
2028 entry_offset = bfd_get_16 (abfd, l2->entry_page_offset);
2029 entry_count = bfd_get_16 (abfd, l2->entry_count);
2030 l2_encodings_offset = bfd_get_16 (abfd, l2->encodings_offset);
2031 l2_encodings_count = bfd_get_16 (abfd, l2->encodings_count);
2033 printf (" index %2u: compressed second level: "
2034 "%u entries, %u encodings (at 0x%08x)\n",
2035 i, entry_count, l2_encodings_count, l2_encodings_offset);
2036 printf (" # function eidx encoding\n");
2038 en = level2 + entry_offset;
2039 for (j = 0; j < entry_count; j++)
2042 unsigned int en_func;
2043 unsigned int enc_idx;
2044 unsigned int encoding;
2045 const unsigned char *enc_addr;
2047 entry = bfd_get_32 (abfd, en);
2049 MACH_O_UNWIND_INFO_COMPRESSED_ENTRY_FUNC_OFFSET (entry);
2051 MACH_O_UNWIND_INFO_COMPRESSED_ENTRY_ENCODING_INDEX (entry);
2052 if (enc_idx < encodings_count)
2053 enc_addr = content + encodings_offset
2056 enc_addr = level2 + l2_encodings_offset
2057 + 4 * (enc_idx - encodings_count);
2058 encoding = bfd_get_32 (abfd, enc_addr);
2060 printf (" %4u 0x%08x [%3u] ", j,
2061 func_offset + en_func, enc_idx);
2062 dump_unwind_encoding (mdata, encoding);
2070 case MACH_O_UNWIND_SECOND_LEVEL_REGULAR:
2072 struct mach_o_unwind_regular_second_level_page_header *l2;
2073 struct mach_o_unwind_regular_second_level_entry *en;
2074 unsigned int entry_offset;
2075 unsigned int entry_count;
2078 l2 = (struct mach_o_unwind_regular_second_level_page_header *)
2081 entry_offset = bfd_get_16 (abfd, l2->entry_page_offset);
2082 entry_count = bfd_get_16 (abfd, l2->entry_count);
2083 printf (" index %2u: regular level 2 at 0x%04x, %u entries\n",
2084 i, entry_offset, entry_count);
2085 printf (" # function encoding\n");
2087 en = (struct mach_o_unwind_regular_second_level_entry *)
2088 (level2 + entry_offset);
2089 for (j = 0; j < entry_count; j++)
2091 unsigned int en_func;
2092 unsigned int encoding;
2094 en_func = bfd_get_32 (abfd, en->function_offset);
2095 encoding = bfd_get_32 (abfd, en->encoding);
2096 printf (" %-4u 0x%08x ", j, en_func);
2097 dump_unwind_encoding (mdata, encoding);
2105 printf (" index %2u: unhandled second level format (%u)\n",
2111 struct mach_o_unwind_lsda_index_entry *lsda;
2112 unsigned int lsda_offset;
2113 unsigned int next_lsda_offset;
2114 unsigned int nbr_lsda;
2117 lsda_offset = bfd_get_32 (abfd, index_entry->lsda_index_offset);
2118 next_lsda_offset = bfd_get_32 (abfd, index_entry[1].lsda_index_offset);
2119 lsda = (struct mach_o_unwind_lsda_index_entry *)
2120 (content + lsda_offset);
2121 nbr_lsda = (next_lsda_offset - lsda_offset) / sizeof (*lsda);
2122 for (j = 0; j < nbr_lsda; j++)
2124 printf (" lsda %3u: function 0x%08x lsda 0x%08x\n",
2125 j, (unsigned int) bfd_get_32 (abfd, lsda->function_offset),
2126 (unsigned int) bfd_get_32 (abfd, lsda->lsda_offset));
2135 dump_section_content (bfd *abfd,
2136 const char *segname, const char *sectname,
2137 void (*dump)(bfd*, const unsigned char*, bfd_size_type))
2139 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
2140 bfd_mach_o_load_command *cmd;
2142 for (cmd = mdata->first_command; cmd != NULL; cmd = cmd->next)
2144 if (cmd->type == BFD_MACH_O_LC_SEGMENT
2145 || cmd->type == BFD_MACH_O_LC_SEGMENT_64)
2147 bfd_mach_o_segment_command *seg = &cmd->command.segment;
2148 bfd_mach_o_section *sec;
2149 for (sec = seg->sect_head; sec != NULL; sec = sec->next)
2150 if (strcmp (sec->segname, segname) == 0
2151 && strcmp (sec->sectname, sectname) == 0)
2154 asection *bfdsec = sec->bfdsection;
2155 unsigned char *content;
2157 size = bfd_get_section_size (bfdsec);
2158 content = (unsigned char *) xmalloc (size);
2159 bfd_get_section_contents (abfd, bfdsec, content, 0, size);
2161 (*dump)(abfd, content, size);
2169 /* Dump ABFD (according to the options[] array). */
2172 mach_o_dump (bfd *abfd)
2174 if (options[OPT_HEADER].selected)
2176 if (options[OPT_SECTION].selected)
2177 dump_load_commands (abfd, BFD_MACH_O_LC_SEGMENT, BFD_MACH_O_LC_SEGMENT_64);
2178 if (options[OPT_MAP].selected)
2179 dump_section_map (abfd);
2180 if (options[OPT_LOAD].selected)
2181 dump_load_commands (abfd, 0, 0);
2182 if (options[OPT_DYSYMTAB].selected)
2183 dump_load_commands (abfd, BFD_MACH_O_LC_DYSYMTAB, 0);
2184 if (options[OPT_CODESIGN].selected)
2185 dump_load_commands (abfd, BFD_MACH_O_LC_CODE_SIGNATURE, 0);
2186 if (options[OPT_SEG_SPLIT_INFO].selected)
2187 dump_load_commands (abfd, BFD_MACH_O_LC_SEGMENT_SPLIT_INFO, 0);
2188 if (options[OPT_FUNCTION_STARTS].selected)
2189 dump_load_commands (abfd, BFD_MACH_O_LC_FUNCTION_STARTS, 0);
2190 if (options[OPT_DATA_IN_CODE].selected)
2191 dump_load_commands (abfd, BFD_MACH_O_LC_DATA_IN_CODE, 0);
2192 if (options[OPT_TWOLEVEL_HINTS].selected)
2193 dump_load_commands (abfd, BFD_MACH_O_LC_TWOLEVEL_HINTS, 0);
2194 if (options[OPT_COMPACT_UNWIND].selected)
2196 dump_section_content (abfd, "__LD", "__compact_unwind",
2197 dump_obj_compact_unwind);
2198 dump_section_content (abfd, "__TEXT", "__unwind_info",
2199 dump_exe_compact_unwind);
2201 if (options[OPT_DYLD_INFO].selected)
2202 dump_load_commands (abfd, BFD_MACH_O_LC_DYLD_INFO, 0);
2205 /* Vector for Mach-O. */
2207 const struct objdump_private_desc objdump_private_desc_mach_o =