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Missing file from my previous commit.

This commit is contained in:
Tristan Gingold 2011-12-13 10:00:40 +00:00
parent c5012cd8d5
commit 12fa714fff
1 changed files with 798 additions and 0 deletions
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binutils/od-macho.c Normal file
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/* od-macho.c -- dump information about an Mach-O object file.
Copyright 2011 Free Software Foundation, Inc.
Written by Tristan Gingold, Adacore.
This file is part of GNU Binutils.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, 51 Franklin Street - Fifth Floor, Boston,
MA 02110-1301, USA. */
#include <stddef.h>
#include <time.h>
#include "sysdep.h"
#include "safe-ctype.h"
#include "bfd.h"
#include "objdump.h"
#include "bucomm.h"
#include "bfdlink.h"
#include "mach-o.h"
#include "mach-o/external.h"
/* Index of the options in the options[] array. */
#define OPT_HEADER 0
#define OPT_SECTION 1
#define OPT_MAP 2
#define OPT_LOAD 3
#define OPT_DYSYMTAB 4
/* List of actions. */
static struct objdump_private_option options[] =
{
{ "header", 0 },
{ "section", 0 },
{ "map", 0 },
{ "load", 0 },
{ "dysymtab", 0 },
{ NULL, 0 }
};
/* Display help. */
static void
mach_o_help (FILE *stream)
{
fprintf (stream, _("\
For Mach-O files:\n\
header Display the file header\n\
section Display the segments and sections commands\n\
map Display the section map\n\
load Display the load commands\n\
dysymtab Display the dynamic symbol table\n\
"));
}
/* Return TRUE if ABFD is handled. */
static int
mach_o_filter (bfd *abfd)
{
return bfd_get_flavour (abfd) == bfd_target_mach_o_flavour;
}
static const bfd_mach_o_xlat_name bfd_mach_o_cpu_name[] =
{
{ "vax", BFD_MACH_O_CPU_TYPE_VAX },
{ "mc680x0", BFD_MACH_O_CPU_TYPE_MC680x0 },
{ "i386", BFD_MACH_O_CPU_TYPE_I386 },
{ "mips", BFD_MACH_O_CPU_TYPE_MIPS },
{ "mc98000", BFD_MACH_O_CPU_TYPE_MC98000 },
{ "hppa", BFD_MACH_O_CPU_TYPE_HPPA },
{ "arm", BFD_MACH_O_CPU_TYPE_ARM },
{ "mc88000", BFD_MACH_O_CPU_TYPE_MC88000 },
{ "sparc", BFD_MACH_O_CPU_TYPE_SPARC },
{ "i860", BFD_MACH_O_CPU_TYPE_I860 },
{ "alpha", BFD_MACH_O_CPU_TYPE_ALPHA },
{ "powerpc", BFD_MACH_O_CPU_TYPE_POWERPC },
{ "powerpc_64", BFD_MACH_O_CPU_TYPE_POWERPC_64 },
{ "x86_64", BFD_MACH_O_CPU_TYPE_X86_64 },
{ NULL, 0}
};
static const bfd_mach_o_xlat_name bfd_mach_o_filetype_name[] =
{
{ "object", BFD_MACH_O_MH_OBJECT },
{ "execute", BFD_MACH_O_MH_EXECUTE },
{ "fvmlib", BFD_MACH_O_MH_FVMLIB },
{ "core", BFD_MACH_O_MH_CORE },
{ "preload", BFD_MACH_O_MH_PRELOAD },
{ "dylib", BFD_MACH_O_MH_DYLIB },
{ "dylinker", BFD_MACH_O_MH_DYLINKER },
{ "bundle", BFD_MACH_O_MH_BUNDLE },
{ "dylib_stub", BFD_MACH_O_MH_DYLIB_STUB },
{ "dym", BFD_MACH_O_MH_DSYM },
{ "kext_bundle", BFD_MACH_O_MH_KEXT_BUNDLE },
{ NULL, 0}
};
static const bfd_mach_o_xlat_name bfd_mach_o_header_flags_name[] =
{
{ "noundefs", BFD_MACH_O_MH_NOUNDEFS },
{ "incrlink", BFD_MACH_O_MH_INCRLINK },
{ "dyldlink", BFD_MACH_O_MH_DYLDLINK },
{ "bindatload", BFD_MACH_O_MH_BINDATLOAD },
{ "prebound", BFD_MACH_O_MH_PREBOUND },
{ "split_segs", BFD_MACH_O_MH_SPLIT_SEGS },
{ "lazy_init", BFD_MACH_O_MH_LAZY_INIT },
{ "twolevel", BFD_MACH_O_MH_TWOLEVEL },
{ "force_flat", BFD_MACH_O_MH_FORCE_FLAT },
{ "nomultidefs", BFD_MACH_O_MH_NOMULTIDEFS },
{ "nofixprebinding", BFD_MACH_O_MH_NOFIXPREBINDING },
{ "prebindable", BFD_MACH_O_MH_PREBINDABLE },
{ "allmodsbound", BFD_MACH_O_MH_ALLMODSBOUND },
{ "subsections_via_symbols", BFD_MACH_O_MH_SUBSECTIONS_VIA_SYMBOLS },
{ "canonical", BFD_MACH_O_MH_CANONICAL },
{ "weak_defines", BFD_MACH_O_MH_WEAK_DEFINES },
{ "binds_to_weak", BFD_MACH_O_MH_BINDS_TO_WEAK },
{ "allow_stack_execution", BFD_MACH_O_MH_ALLOW_STACK_EXECUTION },
{ "root_safe", BFD_MACH_O_MH_ROOT_SAFE },
{ "setuid_safe", BFD_MACH_O_MH_SETUID_SAFE },
{ "no_reexported_dylibs", BFD_MACH_O_MH_NO_REEXPORTED_DYLIBS },
{ "pie", BFD_MACH_O_MH_PIE },
{ NULL, 0}
};
static const bfd_mach_o_xlat_name bfd_mach_o_load_command_name[] =
{
{ "segment", BFD_MACH_O_LC_SEGMENT},
{ "symtab", BFD_MACH_O_LC_SYMTAB},
{ "symseg", BFD_MACH_O_LC_SYMSEG},
{ "thread", BFD_MACH_O_LC_THREAD},
{ "unixthread", BFD_MACH_O_LC_UNIXTHREAD},
{ "loadfvmlib", BFD_MACH_O_LC_LOADFVMLIB},
{ "idfvmlib", BFD_MACH_O_LC_IDFVMLIB},
{ "ident", BFD_MACH_O_LC_IDENT},
{ "fvmfile", BFD_MACH_O_LC_FVMFILE},
{ "prepage", BFD_MACH_O_LC_PREPAGE},
{ "dysymtab", BFD_MACH_O_LC_DYSYMTAB},
{ "load_dylib", BFD_MACH_O_LC_LOAD_DYLIB},
{ "id_dylib", BFD_MACH_O_LC_ID_DYLIB},
{ "load_dylinker", BFD_MACH_O_LC_LOAD_DYLINKER},
{ "id_dylinker", BFD_MACH_O_LC_ID_DYLINKER},
{ "prebound_dylib", BFD_MACH_O_LC_PREBOUND_DYLIB},
{ "routines", BFD_MACH_O_LC_ROUTINES},
{ "sub_framework", BFD_MACH_O_LC_SUB_FRAMEWORK},
{ "sub_umbrella", BFD_MACH_O_LC_SUB_UMBRELLA},
{ "sub_client", BFD_MACH_O_LC_SUB_CLIENT},
{ "sub_library", BFD_MACH_O_LC_SUB_LIBRARY},
{ "twolevel_hints", BFD_MACH_O_LC_TWOLEVEL_HINTS},
{ "prebind_cksum", BFD_MACH_O_LC_PREBIND_CKSUM},
{ "load_weak_dylib", BFD_MACH_O_LC_LOAD_WEAK_DYLIB},
{ "segment_64", BFD_MACH_O_LC_SEGMENT_64},
{ "routines_64", BFD_MACH_O_LC_ROUTINES_64},
{ "uuid", BFD_MACH_O_LC_UUID},
{ "rpath", BFD_MACH_O_LC_RPATH},
{ "code_signature", BFD_MACH_O_LC_CODE_SIGNATURE},
{ "segment_split_info", BFD_MACH_O_LC_SEGMENT_SPLIT_INFO},
{ "reexport_dylib", BFD_MACH_O_LC_REEXPORT_DYLIB},
{ "lazy_load_dylib", BFD_MACH_O_LC_LAZY_LOAD_DYLIB},
{ "encryption_info", BFD_MACH_O_LC_ENCRYPTION_INFO},
{ "dyld_info", BFD_MACH_O_LC_DYLD_INFO},
{ "load_upward_lib", BFD_MACH_O_LC_LOAD_UPWARD_DYLIB},
{ "version_min_macosx", BFD_MACH_O_LC_VERSION_MIN_MACOSX},
{ "version_min_iphoneos", BFD_MACH_O_LC_VERSION_MIN_IPHONEOS},
{ "function_starts", BFD_MACH_O_LC_FUNCTION_STARTS},
{ "dyld_environment", BFD_MACH_O_LC_DYLD_ENVIRONMENT},
{ NULL, 0}
};
static const bfd_mach_o_xlat_name bfd_mach_o_thread_x86_name[] =
{
{ "thread_state32", BFD_MACH_O_x86_THREAD_STATE32},
{ "float_state32", BFD_MACH_O_x86_FLOAT_STATE32},
{ "exception_state32", BFD_MACH_O_x86_EXCEPTION_STATE32},
{ "thread_state64", BFD_MACH_O_x86_THREAD_STATE64},
{ "float_state64", BFD_MACH_O_x86_FLOAT_STATE64},
{ "exception_state64", BFD_MACH_O_x86_EXCEPTION_STATE64},
{ "thread_state", BFD_MACH_O_x86_THREAD_STATE},
{ "float_state", BFD_MACH_O_x86_FLOAT_STATE},
{ "exception_state", BFD_MACH_O_x86_EXCEPTION_STATE},
{ "debug_state32", BFD_MACH_O_x86_DEBUG_STATE32},
{ "debug_state64", BFD_MACH_O_x86_DEBUG_STATE64},
{ "debug_state", BFD_MACH_O_x86_DEBUG_STATE},
{ "state_none", BFD_MACH_O_x86_THREAD_STATE_NONE},
{ NULL, 0 }
};
static void
bfd_mach_o_print_flags (const bfd_mach_o_xlat_name *table,
unsigned long val)
{
int first = 1;
for (; table->name; table++)
{
if (table->val & val)
{
if (!first)
printf ("+");
printf ("%s", table->name);
val &= ~table->val;
first = 0;
}
}
if (val)
{
if (!first)
printf ("+");
printf ("0x%lx", val);
return;
}
if (first)
printf ("-");
}
static const char *
bfd_mach_o_get_name_or_null (const bfd_mach_o_xlat_name *table,
unsigned long val)
{
for (; table->name; table++)
if (table->val == val)
return table->name;
return NULL;
}
static const char *
bfd_mach_o_get_name (const bfd_mach_o_xlat_name *table, unsigned long val)
{
const char *res = bfd_mach_o_get_name_or_null (table, val);
if (res == NULL)
return "*UNKNOWN*";
else
return res;
}
static void
dump_header (bfd *abfd)
{
bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
bfd_mach_o_header *h = &mdata->header;
fputs (_("Mach-O header:\n"), stdout);
printf (_(" magic : %08lx\n"), h->magic);
printf (_(" cputype : %08lx (%s)\n"), h->cputype,
bfd_mach_o_get_name (bfd_mach_o_cpu_name, h->cputype));
printf (_(" cpusubtype: %08lx\n"), h->cpusubtype);
printf (_(" filetype : %08lx (%s)\n"),
h->filetype,
bfd_mach_o_get_name (bfd_mach_o_filetype_name, h->filetype));
printf (_(" ncmds : %08lx (%lu)\n"), h->ncmds, h->ncmds);
printf (_(" sizeofcmds: %08lx\n"), h->sizeofcmds);
printf (_(" flags : %08lx ("), h->flags);
bfd_mach_o_print_flags (bfd_mach_o_header_flags_name, h->flags);
fputs (_(")\n"), stdout);
printf (_(" reserved : %08x\n"), h->reserved);
}
static void
dump_section_map (bfd *abfd)
{
bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
unsigned int i;
unsigned int sec_nbr = 0;
fputs (_("Segments and Sections:\n"), stdout);
fputs (_(" #: Segment name Section name Address\n"), stdout);
for (i = 0; i < mdata->header.ncmds; i++)
{
bfd_mach_o_segment_command *seg;
bfd_mach_o_section *sec;
if (mdata->commands[i].type != BFD_MACH_O_LC_SEGMENT
&& mdata->commands[i].type != BFD_MACH_O_LC_SEGMENT_64)
continue;
seg = &mdata->commands[i].command.segment;
printf ("[Segment %-16s ", seg->segname);
printf_vma (seg->vmaddr);
putchar ('-');
printf_vma (seg->vmaddr + seg->vmsize - 1);
putchar (' ');
putchar (seg->initprot & BFD_MACH_O_PROT_READ ? 'r' : '-');
putchar (seg->initprot & BFD_MACH_O_PROT_WRITE ? 'w' : '-');
putchar (seg->initprot & BFD_MACH_O_PROT_EXECUTE ? 'x' : '-');
printf ("]\n");
for (sec = seg->sect_head; sec != NULL; sec = sec->next)
{
printf ("%02u: %-16s %-16s ", ++sec_nbr,
sec->segname, sec->sectname);
printf_vma (sec->addr);
putchar (' ');
printf_vma (sec->size);
printf (" %08lx\n", sec->flags);
}
}
}
static void
dump_section (bfd *abfd ATTRIBUTE_UNUSED, bfd_mach_o_section *sec)
{
printf (" Section: %-16s %-16s (bfdname: %s)\n",
sec->sectname, sec->segname, sec->bfdsection->name);
printf (" addr: ");
printf_vma (sec->addr);
printf (" size: ");
printf_vma (sec->size);
printf (" offset: ");
printf_vma (sec->offset);
printf ("\n");
printf (" align: %ld", sec->align);
printf (" nreloc: %lu reloff: ", sec->nreloc);
printf_vma (sec->reloff);
printf ("\n");
printf (" flags: %08lx (type: %s", sec->flags,
bfd_mach_o_get_name (bfd_mach_o_section_type_name,
sec->flags & BFD_MACH_O_SECTION_TYPE_MASK));
printf (" attr: ");
bfd_mach_o_print_flags (bfd_mach_o_section_attribute_name,
sec->flags & BFD_MACH_O_SECTION_ATTRIBUTES_MASK);
printf (")\n");
switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK)
{
case BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS:
case BFD_MACH_O_S_LAZY_SYMBOL_POINTERS:
case BFD_MACH_O_S_SYMBOL_STUBS:
printf (" first indirect sym: %lu", sec->reserved1);
printf (" (%u entries)",
bfd_mach_o_section_get_nbr_indirect (abfd, sec));
break;
default:
printf (" reserved1: 0x%lx", sec->reserved1);
break;
}
switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK)
{
case BFD_MACH_O_S_SYMBOL_STUBS:
printf (" stub size: %lu", sec->reserved2);
break;
default:
printf (" reserved2: 0x%lx", sec->reserved2);
break;
}
printf (" reserved3: 0x%lx\n", sec->reserved3);
}
static void
dump_segment (bfd *abfd ATTRIBUTE_UNUSED, bfd_mach_o_load_command *cmd)
{
bfd_mach_o_segment_command *seg = &cmd->command.segment;
bfd_mach_o_section *sec;
printf (" name: %s\n", *seg->segname ? seg->segname : "*none*");
printf (" vmaddr: ");
printf_vma (seg->vmaddr);
printf (" vmsize: ");
printf_vma (seg->vmsize);
printf ("\n");
printf (" fileoff: ");
printf_vma (seg->fileoff);
printf (" filesize: ");
printf_vma ((bfd_vma)seg->filesize);
printf (" endoff: ");
printf_vma ((bfd_vma)(seg->fileoff + seg->filesize));
printf ("\n");
printf (" nsects: %lu ", seg->nsects);
printf (" flags: %lx\n", seg->flags);
for (sec = seg->sect_head; sec != NULL; sec = sec->next)
dump_section (abfd, sec);
}
static void
dump_dysymtab (bfd *abfd, bfd_mach_o_load_command *cmd, bfd_boolean verbose)
{
bfd_mach_o_dysymtab_command *dysymtab = &cmd->command.dysymtab;
bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
unsigned int i;
printf (" local symbols: idx: %10lu num: %-8lu",
dysymtab->ilocalsym, dysymtab->nlocalsym);
printf (" (nxtidx: %lu)\n",
dysymtab->ilocalsym + dysymtab->nlocalsym);
printf (" external symbols: idx: %10lu num: %-8lu",
dysymtab->iextdefsym, dysymtab->nextdefsym);
printf (" (nxtidx: %lu)\n",
dysymtab->iextdefsym + dysymtab->nextdefsym);
printf (" undefined symbols: idx: %10lu num: %-8lu",
dysymtab->iundefsym, dysymtab->nundefsym);
printf (" (nxtidx: %lu)\n",
dysymtab->iundefsym + dysymtab->nundefsym);
printf (" table of content: off: 0x%08lx num: %-8lu",
dysymtab->tocoff, dysymtab->ntoc);
printf (" (endoff: 0x%08lx)\n",
dysymtab->tocoff + dysymtab->ntoc * BFD_MACH_O_TABLE_OF_CONTENT_SIZE);
printf (" module table: off: 0x%08lx num: %-8lu",
dysymtab->modtaboff, dysymtab->nmodtab);
printf (" (endoff: 0x%08lx)\n",
dysymtab->modtaboff + dysymtab->nmodtab
* (mdata->header.version == 2 ?
BFD_MACH_O_DYLIB_MODULE_64_SIZE : BFD_MACH_O_DYLIB_MODULE_SIZE));
printf (" external reference table: off: 0x%08lx num: %-8lu",
dysymtab->extrefsymoff, dysymtab->nextrefsyms);
printf (" (endoff: 0x%08lx)\n",
dysymtab->extrefsymoff
+ dysymtab->nextrefsyms * BFD_MACH_O_REFERENCE_SIZE);
printf (" indirect symbol table: off: 0x%08lx num: %-8lu",
dysymtab->indirectsymoff, dysymtab->nindirectsyms);
printf (" (endoff: 0x%08lx)\n",
dysymtab->indirectsymoff
+ dysymtab->nindirectsyms * BFD_MACH_O_INDIRECT_SYMBOL_SIZE);
printf (" external relocation table: off: 0x%08lx num: %-8lu",
dysymtab->extreloff, dysymtab->nextrel);
printf (" (endoff: 0x%08lx)\n",
dysymtab->extreloff + dysymtab->nextrel * BFD_MACH_O_RELENT_SIZE);
printf (" local relocation table: off: 0x%08lx num: %-8lu",
dysymtab->locreloff, dysymtab->nlocrel);
printf (" (endoff: 0x%08lx)\n",
dysymtab->locreloff + dysymtab->nlocrel * BFD_MACH_O_RELENT_SIZE);
if (!verbose)
return;
if (dysymtab->ntoc > 0
|| dysymtab->nindirectsyms > 0
|| dysymtab->nextrefsyms > 0)
{
/* Try to read the symbols to display the toc or indirect symbols. */
bfd_mach_o_read_symtab_symbols (abfd);
}
else if (dysymtab->nmodtab > 0)
{
/* Try to read the strtab to display modules name. */
bfd_mach_o_read_symtab_strtab (abfd);
}
for (i = 0; i < dysymtab->nmodtab; i++)
{
bfd_mach_o_dylib_module *module = &dysymtab->dylib_module[i];
printf (" module %u:\n", i);
printf (" name: %lu", module->module_name_idx);
if (mdata->symtab && mdata->symtab->strtab)
printf (": %s",
mdata->symtab->strtab + module->module_name_idx);
printf ("\n");
printf (" extdefsym: idx: %8lu num: %lu\n",
module->iextdefsym, module->nextdefsym);
printf (" refsym: idx: %8lu num: %lu\n",
module->irefsym, module->nrefsym);
printf (" localsym: idx: %8lu num: %lu\n",
module->ilocalsym, module->nlocalsym);
printf (" extrel: idx: %8lu num: %lu\n",
module->iextrel, module->nextrel);
printf (" init: idx: %8u num: %u\n",
module->iinit, module->ninit);
printf (" term: idx: %8u num: %u\n",
module->iterm, module->nterm);
printf (" objc_module_info: addr: ");
printf_vma (module->objc_module_info_addr);
printf (" size: %lu\n", module->objc_module_info_size);
}
if (dysymtab->ntoc > 0)
{
bfd_mach_o_symtab_command *symtab = mdata->symtab;
printf (" table of content: (symbol/module)\n");
for (i = 0; i < dysymtab->ntoc; i++)
{
bfd_mach_o_dylib_table_of_content *toc = &dysymtab->dylib_toc[i];
printf (" %4u: ", i);
if (symtab && symtab->symbols && toc->symbol_index < symtab->nsyms)
{
const char *name = symtab->symbols[toc->symbol_index].symbol.name;
printf ("%s (%lu)", name ? name : "*invalid*",
toc->symbol_index);
}
else
printf ("%lu", toc->symbol_index);
printf (" / ");
if (symtab && symtab->strtab
&& toc->module_index < dysymtab->nmodtab)
{
bfd_mach_o_dylib_module *mod;
mod = &dysymtab->dylib_module[toc->module_index];
printf ("%s (%lu)",
symtab->strtab + mod->module_name_idx,
toc->module_index);
}
else
printf ("%lu", toc->module_index);
printf ("\n");
}
}
if (dysymtab->nindirectsyms != 0)
{
printf (" indirect symbols:\n");
for (i = 0; i < mdata->nsects; i++)
{
bfd_mach_o_section *sec = mdata->sections[i];
unsigned int j, first, last;
bfd_mach_o_symtab_command *symtab = mdata->symtab;
bfd_vma addr;
bfd_vma entry_size;
switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK)
{
case BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS:
case BFD_MACH_O_S_LAZY_SYMBOL_POINTERS:
case BFD_MACH_O_S_SYMBOL_STUBS:
first = sec->reserved1;
last = first + bfd_mach_o_section_get_nbr_indirect (abfd, sec);
addr = sec->addr;
entry_size = bfd_mach_o_section_get_entry_size (abfd, sec);
printf (" for section %s.%s:\n",
sec->segname, sec->sectname);
for (j = first; j < last; j++)
{
unsigned int isym = dysymtab->indirect_syms[j];
printf (" ");
printf_vma (addr);
printf (" %5u: 0x%08x", j, isym);
if (isym & BFD_MACH_O_INDIRECT_SYMBOL_LOCAL)
printf (" LOCAL");
if (isym & BFD_MACH_O_INDIRECT_SYMBOL_ABS)
printf (" ABSOLUTE");
if (symtab && symtab->symbols
&& isym < symtab->nsyms
&& symtab->symbols[isym].symbol.name)
printf (" %s", symtab->symbols[isym].symbol.name);
printf ("\n");
addr += entry_size;
}
break;
default:
break;
}
}
}
if (dysymtab->nextrefsyms > 0)
{
bfd_mach_o_symtab_command *symtab = mdata->symtab;
printf (" external reference table: (symbol flags)\n");
for (i = 0; i < dysymtab->nextrefsyms; i++)
{
bfd_mach_o_dylib_reference *ref = &dysymtab->ext_refs[i];
printf (" %4u: %5lu 0x%02lx", i, ref->isym, ref->flags);
if (symtab && symtab->symbols
&& ref->isym < symtab->nsyms
&& symtab->symbols[ref->isym].symbol.name)
printf (" %s", symtab->symbols[ref->isym].symbol.name);
printf ("\n");
}
}
}
static void
dump_dyld_info (bfd *abfd ATTRIBUTE_UNUSED, bfd_mach_o_load_command *cmd)
{
bfd_mach_o_dyld_info_command *info = &cmd->command.dyld_info;
printf (" rebase: off: 0x%08x size: %-8u\n",
info->rebase_off, info->rebase_size);
printf (" bind: off: 0x%08x size: %-8u\n",
info->bind_off, info->bind_size);
printf (" weak bind: off: 0x%08x size: %-8u\n",
info->weak_bind_off, info->weak_bind_size);
printf (" lazy bind: off: 0x%08x size: %-8u\n",
info->lazy_bind_off, info->lazy_bind_size);
printf (" export: off: 0x%08x size: %-8u\n",
info->export_off, info->export_size);
}
static void
dump_thread (bfd *abfd, bfd_mach_o_load_command *cmd)
{
bfd_mach_o_thread_command *thread = &cmd->command.thread;
unsigned int j;
bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd);
bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
printf (" nflavours: %lu\n", thread->nflavours);
for (j = 0; j < thread->nflavours; j++)
{
bfd_mach_o_thread_flavour *flavour = &thread->flavours[j];
const bfd_mach_o_xlat_name *name_table;
printf (" %2u: flavour: 0x%08lx", j, flavour->flavour);
switch (mdata->header.cputype)
{
case BFD_MACH_O_CPU_TYPE_I386:
case BFD_MACH_O_CPU_TYPE_X86_64:
name_table = bfd_mach_o_thread_x86_name;
break;
default:
name_table = NULL;
break;
}
if (name_table != NULL)
printf (": %s", bfd_mach_o_get_name (name_table, flavour->flavour));
putchar ('\n');
printf (" offset: 0x%08lx size: 0x%08lx\n",
flavour->offset, flavour->size);
if (bed->_bfd_mach_o_print_thread)
{
char *buf = xmalloc (flavour->size);
if (buf
&& bfd_seek (abfd, flavour->offset, SEEK_SET) == 0
&& (bfd_bread (buf, flavour->size, abfd)
== flavour->size))
(*bed->_bfd_mach_o_print_thread)(abfd, flavour, stdout, buf);
free (buf);
}
}
}
static void
dump_load_command (bfd *abfd, bfd_mach_o_load_command *cmd,
bfd_boolean verbose)
{
bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
const char *cmd_name;
cmd_name = bfd_mach_o_get_name_or_null
(bfd_mach_o_load_command_name, cmd->type);
printf ("Load command ");
if (cmd_name == NULL)
printf ("0x%02x:", cmd->type);
else
printf ("%s:", cmd_name);
switch (cmd->type)
{
case BFD_MACH_O_LC_SEGMENT:
case BFD_MACH_O_LC_SEGMENT_64:
dump_segment (abfd, cmd);
break;
case BFD_MACH_O_LC_UUID:
{
bfd_mach_o_uuid_command *uuid = &cmd->command.uuid;
unsigned int j;
for (j = 0; j < sizeof (uuid->uuid); j ++)
printf (" %02x", uuid->uuid[j]);
putchar ('\n');
}
break;
case BFD_MACH_O_LC_LOAD_DYLIB:
case BFD_MACH_O_LC_LOAD_WEAK_DYLIB:
case BFD_MACH_O_LC_REEXPORT_DYLIB:
case BFD_MACH_O_LC_ID_DYLIB:
case BFD_MACH_O_LC_LOAD_UPWARD_DYLIB:
{
bfd_mach_o_dylib_command *dylib = &cmd->command.dylib;
printf (" %s\n", dylib->name_str);
printf (" time stamp: 0x%08lx\n",
dylib->timestamp);
printf (" current version: 0x%08lx\n",
dylib->current_version);
printf (" comptibility version: 0x%08lx\n",
dylib->compatibility_version);
break;
}
case BFD_MACH_O_LC_LOAD_DYLINKER:
case BFD_MACH_O_LC_ID_DYLINKER:
printf (" %s\n", cmd->command.dylinker.name_str);
break;
case BFD_MACH_O_LC_SYMTAB:
{
bfd_mach_o_symtab_command *symtab = &cmd->command.symtab;
printf ("\n"
" symoff: 0x%08x nsyms: %8u (endoff: 0x%08x)\n",
symtab->symoff, symtab->nsyms,
symtab->symoff + symtab->nsyms
* (mdata->header.version == 2
? BFD_MACH_O_NLIST_64_SIZE : BFD_MACH_O_NLIST_SIZE));
printf (" stroff: 0x%08x strsize: %8u (endoff: 0x%08x)\n",
symtab->stroff, symtab->strsize,
symtab->stroff + symtab->strsize);
break;
}
case BFD_MACH_O_LC_DYSYMTAB:
putchar ('\n');
dump_dysymtab (abfd, cmd, verbose);
break;
case BFD_MACH_O_LC_CODE_SIGNATURE:
case BFD_MACH_O_LC_SEGMENT_SPLIT_INFO:
case BFD_MACH_O_LC_FUNCTION_STARTS:
{
bfd_mach_o_linkedit_command *linkedit = &cmd->command.linkedit;
printf
("\n"
" dataoff: 0x%08lx datasize: 0x%08lx (endoff: 0x%08lx)\n",
linkedit->dataoff, linkedit->datasize,
linkedit->dataoff + linkedit->datasize);
break;
}
case BFD_MACH_O_LC_SUB_FRAMEWORK:
case BFD_MACH_O_LC_SUB_UMBRELLA:
case BFD_MACH_O_LC_SUB_LIBRARY:
case BFD_MACH_O_LC_SUB_CLIENT:
case BFD_MACH_O_LC_RPATH:
{
bfd_mach_o_str_command *str = &cmd->command.str;
printf (" %s\n", str->str);
break;
}
case BFD_MACH_O_LC_THREAD:
case BFD_MACH_O_LC_UNIXTHREAD:
dump_thread (abfd, cmd);
break;
case BFD_MACH_O_LC_DYLD_INFO:
putchar ('\n');
dump_dyld_info (abfd, cmd);
break;
case BFD_MACH_O_LC_VERSION_MIN_MACOSX:
case BFD_MACH_O_LC_VERSION_MIN_IPHONEOS:
{
bfd_mach_o_version_min_command *ver = &cmd->command.version_min;
printf (" %u.%u.%u\n", ver->rel, ver->maj, ver->min);
}
break;
default:
putchar ('\n');
printf (" offset: 0x%08lx\n", (unsigned long)cmd->offset);
printf (" size: 0x%08lx\n", (unsigned long)cmd->len);
break;
}
putchar ('\n');
}
static void
dump_load_commands (bfd *abfd, unsigned int cmd32, unsigned int cmd64)
{
bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
unsigned int i;
for (i = 0; i < mdata->header.ncmds; i++)
{
bfd_mach_o_load_command *cmd = &mdata->commands[i];
if (cmd32 == 0)
dump_load_command (abfd, cmd, FALSE);
else if (cmd->type == cmd32 || cmd->type == cmd64)
dump_load_command (abfd, cmd, TRUE);
}
}
/* Dump ABFD (according to the options[] array). */
static void
mach_o_dump (bfd *abfd)
{
if (options[OPT_HEADER].selected)
dump_header (abfd);
if (options[OPT_SECTION].selected)
dump_load_commands (abfd, BFD_MACH_O_LC_SEGMENT, BFD_MACH_O_LC_SEGMENT_64);
if (options[OPT_MAP].selected)
dump_section_map (abfd);
if (options[OPT_LOAD].selected)
dump_load_commands (abfd, 0, 0);
if (options[OPT_DYSYMTAB].selected)
dump_load_commands (abfd, BFD_MACH_O_LC_DYSYMTAB, 0);
}
/* Vector for Mach-O. */
const struct objdump_private_desc objdump_private_desc_mach_o =
{
mach_o_help,
mach_o_filter,
mach_o_dump,
options
};