--- /dev/null
+/* 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;
+}
+\f
+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 }
+};
+\f
+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
+ };
projects / deliverable / binutils-gdb.git / commitdiff
