2011-12-13 18:00:40 +08:00
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/* od-macho.c -- dump information about an Mach-O object file.
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2012-01-04 17:58:55 +08:00
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Copyright 2011, 2012 Free Software Foundation, Inc.
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2011-12-13 18:00:40 +08:00
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Written by Tristan Gingold, Adacore.
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This file is part of GNU Binutils.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, 51 Franklin Street - Fifth Floor, Boston,
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MA 02110-1301, USA. */
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#include <stddef.h>
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#include <time.h>
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#include "sysdep.h"
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#include "safe-ctype.h"
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#include "bfd.h"
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#include "objdump.h"
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#include "bucomm.h"
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#include "bfdlink.h"
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#include "mach-o.h"
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#include "mach-o/external.h"
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2011-12-16 18:23:01 +08:00
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#include "mach-o/codesign.h"
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2011-12-13 18:00:40 +08:00
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/* Index of the options in the options[] array. */
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#define OPT_HEADER 0
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#define OPT_SECTION 1
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#define OPT_MAP 2
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#define OPT_LOAD 3
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#define OPT_DYSYMTAB 4
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2011-12-16 18:23:01 +08:00
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#define OPT_CODESIGN 5
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2011-12-13 18:00:40 +08:00
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/* List of actions. */
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static struct objdump_private_option options[] =
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{
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{ "header", 0 },
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{ "section", 0 },
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{ "map", 0 },
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{ "load", 0 },
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{ "dysymtab", 0 },
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2011-12-16 18:23:01 +08:00
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{ "codesign", 0 },
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2011-12-13 18:00:40 +08:00
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{ NULL, 0 }
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};
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/* Display help. */
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static void
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mach_o_help (FILE *stream)
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{
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fprintf (stream, _("\
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For Mach-O files:\n\
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header Display the file header\n\
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section Display the segments and sections commands\n\
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map Display the section map\n\
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load Display the load commands\n\
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dysymtab Display the dynamic symbol table\n\
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2011-12-16 18:23:01 +08:00
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codesign Display code signature section\n\
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2011-12-13 18:00:40 +08:00
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"));
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}
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/* Return TRUE if ABFD is handled. */
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static int
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mach_o_filter (bfd *abfd)
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{
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return bfd_get_flavour (abfd) == bfd_target_mach_o_flavour;
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}
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static const bfd_mach_o_xlat_name bfd_mach_o_cpu_name[] =
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{
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{ "vax", BFD_MACH_O_CPU_TYPE_VAX },
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{ "mc680x0", BFD_MACH_O_CPU_TYPE_MC680x0 },
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{ "i386", BFD_MACH_O_CPU_TYPE_I386 },
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{ "mips", BFD_MACH_O_CPU_TYPE_MIPS },
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{ "mc98000", BFD_MACH_O_CPU_TYPE_MC98000 },
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{ "hppa", BFD_MACH_O_CPU_TYPE_HPPA },
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{ "arm", BFD_MACH_O_CPU_TYPE_ARM },
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{ "mc88000", BFD_MACH_O_CPU_TYPE_MC88000 },
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{ "sparc", BFD_MACH_O_CPU_TYPE_SPARC },
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{ "i860", BFD_MACH_O_CPU_TYPE_I860 },
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{ "alpha", BFD_MACH_O_CPU_TYPE_ALPHA },
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{ "powerpc", BFD_MACH_O_CPU_TYPE_POWERPC },
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{ "powerpc_64", BFD_MACH_O_CPU_TYPE_POWERPC_64 },
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{ "x86_64", BFD_MACH_O_CPU_TYPE_X86_64 },
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{ NULL, 0}
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};
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static const bfd_mach_o_xlat_name bfd_mach_o_filetype_name[] =
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{
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{ "object", BFD_MACH_O_MH_OBJECT },
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{ "execute", BFD_MACH_O_MH_EXECUTE },
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{ "fvmlib", BFD_MACH_O_MH_FVMLIB },
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{ "core", BFD_MACH_O_MH_CORE },
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{ "preload", BFD_MACH_O_MH_PRELOAD },
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{ "dylib", BFD_MACH_O_MH_DYLIB },
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{ "dylinker", BFD_MACH_O_MH_DYLINKER },
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{ "bundle", BFD_MACH_O_MH_BUNDLE },
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{ "dylib_stub", BFD_MACH_O_MH_DYLIB_STUB },
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{ "dym", BFD_MACH_O_MH_DSYM },
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{ "kext_bundle", BFD_MACH_O_MH_KEXT_BUNDLE },
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{ NULL, 0}
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};
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static const bfd_mach_o_xlat_name bfd_mach_o_header_flags_name[] =
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{
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{ "noundefs", BFD_MACH_O_MH_NOUNDEFS },
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{ "incrlink", BFD_MACH_O_MH_INCRLINK },
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{ "dyldlink", BFD_MACH_O_MH_DYLDLINK },
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{ "bindatload", BFD_MACH_O_MH_BINDATLOAD },
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{ "prebound", BFD_MACH_O_MH_PREBOUND },
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{ "split_segs", BFD_MACH_O_MH_SPLIT_SEGS },
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{ "lazy_init", BFD_MACH_O_MH_LAZY_INIT },
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{ "twolevel", BFD_MACH_O_MH_TWOLEVEL },
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{ "force_flat", BFD_MACH_O_MH_FORCE_FLAT },
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{ "nomultidefs", BFD_MACH_O_MH_NOMULTIDEFS },
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{ "nofixprebinding", BFD_MACH_O_MH_NOFIXPREBINDING },
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{ "prebindable", BFD_MACH_O_MH_PREBINDABLE },
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{ "allmodsbound", BFD_MACH_O_MH_ALLMODSBOUND },
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{ "subsections_via_symbols", BFD_MACH_O_MH_SUBSECTIONS_VIA_SYMBOLS },
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{ "canonical", BFD_MACH_O_MH_CANONICAL },
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{ "weak_defines", BFD_MACH_O_MH_WEAK_DEFINES },
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{ "binds_to_weak", BFD_MACH_O_MH_BINDS_TO_WEAK },
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{ "allow_stack_execution", BFD_MACH_O_MH_ALLOW_STACK_EXECUTION },
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{ "root_safe", BFD_MACH_O_MH_ROOT_SAFE },
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{ "setuid_safe", BFD_MACH_O_MH_SETUID_SAFE },
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{ "no_reexported_dylibs", BFD_MACH_O_MH_NO_REEXPORTED_DYLIBS },
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{ "pie", BFD_MACH_O_MH_PIE },
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{ NULL, 0}
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};
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static const bfd_mach_o_xlat_name bfd_mach_o_load_command_name[] =
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{
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{ "segment", BFD_MACH_O_LC_SEGMENT},
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{ "symtab", BFD_MACH_O_LC_SYMTAB},
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{ "symseg", BFD_MACH_O_LC_SYMSEG},
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{ "thread", BFD_MACH_O_LC_THREAD},
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{ "unixthread", BFD_MACH_O_LC_UNIXTHREAD},
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{ "loadfvmlib", BFD_MACH_O_LC_LOADFVMLIB},
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{ "idfvmlib", BFD_MACH_O_LC_IDFVMLIB},
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{ "ident", BFD_MACH_O_LC_IDENT},
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{ "fvmfile", BFD_MACH_O_LC_FVMFILE},
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{ "prepage", BFD_MACH_O_LC_PREPAGE},
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{ "dysymtab", BFD_MACH_O_LC_DYSYMTAB},
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{ "load_dylib", BFD_MACH_O_LC_LOAD_DYLIB},
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{ "id_dylib", BFD_MACH_O_LC_ID_DYLIB},
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{ "load_dylinker", BFD_MACH_O_LC_LOAD_DYLINKER},
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{ "id_dylinker", BFD_MACH_O_LC_ID_DYLINKER},
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{ "prebound_dylib", BFD_MACH_O_LC_PREBOUND_DYLIB},
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{ "routines", BFD_MACH_O_LC_ROUTINES},
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{ "sub_framework", BFD_MACH_O_LC_SUB_FRAMEWORK},
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{ "sub_umbrella", BFD_MACH_O_LC_SUB_UMBRELLA},
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{ "sub_client", BFD_MACH_O_LC_SUB_CLIENT},
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{ "sub_library", BFD_MACH_O_LC_SUB_LIBRARY},
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{ "twolevel_hints", BFD_MACH_O_LC_TWOLEVEL_HINTS},
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{ "prebind_cksum", BFD_MACH_O_LC_PREBIND_CKSUM},
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{ "load_weak_dylib", BFD_MACH_O_LC_LOAD_WEAK_DYLIB},
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{ "segment_64", BFD_MACH_O_LC_SEGMENT_64},
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{ "routines_64", BFD_MACH_O_LC_ROUTINES_64},
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{ "uuid", BFD_MACH_O_LC_UUID},
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{ "rpath", BFD_MACH_O_LC_RPATH},
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{ "code_signature", BFD_MACH_O_LC_CODE_SIGNATURE},
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{ "segment_split_info", BFD_MACH_O_LC_SEGMENT_SPLIT_INFO},
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{ "reexport_dylib", BFD_MACH_O_LC_REEXPORT_DYLIB},
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{ "lazy_load_dylib", BFD_MACH_O_LC_LAZY_LOAD_DYLIB},
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{ "encryption_info", BFD_MACH_O_LC_ENCRYPTION_INFO},
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{ "dyld_info", BFD_MACH_O_LC_DYLD_INFO},
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{ "load_upward_lib", BFD_MACH_O_LC_LOAD_UPWARD_DYLIB},
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{ "version_min_macosx", BFD_MACH_O_LC_VERSION_MIN_MACOSX},
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{ "version_min_iphoneos", BFD_MACH_O_LC_VERSION_MIN_IPHONEOS},
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{ "function_starts", BFD_MACH_O_LC_FUNCTION_STARTS},
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{ "dyld_environment", BFD_MACH_O_LC_DYLD_ENVIRONMENT},
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{ NULL, 0}
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};
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static const bfd_mach_o_xlat_name bfd_mach_o_thread_x86_name[] =
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{
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{ "thread_state32", BFD_MACH_O_x86_THREAD_STATE32},
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{ "float_state32", BFD_MACH_O_x86_FLOAT_STATE32},
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{ "exception_state32", BFD_MACH_O_x86_EXCEPTION_STATE32},
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{ "thread_state64", BFD_MACH_O_x86_THREAD_STATE64},
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{ "float_state64", BFD_MACH_O_x86_FLOAT_STATE64},
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{ "exception_state64", BFD_MACH_O_x86_EXCEPTION_STATE64},
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{ "thread_state", BFD_MACH_O_x86_THREAD_STATE},
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{ "float_state", BFD_MACH_O_x86_FLOAT_STATE},
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{ "exception_state", BFD_MACH_O_x86_EXCEPTION_STATE},
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{ "debug_state32", BFD_MACH_O_x86_DEBUG_STATE32},
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{ "debug_state64", BFD_MACH_O_x86_DEBUG_STATE64},
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{ "debug_state", BFD_MACH_O_x86_DEBUG_STATE},
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{ "state_none", BFD_MACH_O_x86_THREAD_STATE_NONE},
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{ NULL, 0 }
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};
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static void
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bfd_mach_o_print_flags (const bfd_mach_o_xlat_name *table,
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unsigned long val)
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{
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int first = 1;
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for (; table->name; table++)
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{
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if (table->val & val)
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{
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if (!first)
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printf ("+");
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printf ("%s", table->name);
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val &= ~table->val;
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first = 0;
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}
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}
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if (val)
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{
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if (!first)
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printf ("+");
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printf ("0x%lx", val);
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return;
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}
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if (first)
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printf ("-");
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}
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static const char *
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bfd_mach_o_get_name_or_null (const bfd_mach_o_xlat_name *table,
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unsigned long val)
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{
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for (; table->name; table++)
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if (table->val == val)
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return table->name;
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return NULL;
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}
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static const char *
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bfd_mach_o_get_name (const bfd_mach_o_xlat_name *table, unsigned long val)
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{
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const char *res = bfd_mach_o_get_name_or_null (table, val);
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if (res == NULL)
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return "*UNKNOWN*";
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else
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return res;
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}
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static void
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dump_header (bfd *abfd)
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{
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bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
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bfd_mach_o_header *h = &mdata->header;
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fputs (_("Mach-O header:\n"), stdout);
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printf (_(" magic : %08lx\n"), h->magic);
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printf (_(" cputype : %08lx (%s)\n"), h->cputype,
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2011-12-16 18:23:01 +08:00
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bfd_mach_o_get_name (bfd_mach_o_cpu_name, h->cputype));
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2011-12-13 18:00:40 +08:00
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printf (_(" cpusubtype: %08lx\n"), h->cpusubtype);
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printf (_(" filetype : %08lx (%s)\n"),
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2011-12-16 18:23:01 +08:00
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h->filetype,
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bfd_mach_o_get_name (bfd_mach_o_filetype_name, h->filetype));
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2011-12-13 18:00:40 +08:00
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printf (_(" ncmds : %08lx (%lu)\n"), h->ncmds, h->ncmds);
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printf (_(" sizeofcmds: %08lx\n"), h->sizeofcmds);
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printf (_(" flags : %08lx ("), h->flags);
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|
|
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);
|
|
|
|
|
|
2011-12-16 18:23:01 +08:00
|
|
|
|
if (bfd_seek (abfd, flavour->offset, SEEK_SET) == 0
|
|
|
|
|
&& bfd_bread (buf, flavour->size, abfd) == flavour->size)
|
2011-12-13 18:00:40 +08:00
|
|
|
|
(*bed->_bfd_mach_o_print_thread)(abfd, flavour, stdout, buf);
|
2011-12-16 18:23:01 +08:00
|
|
|
|
|
2011-12-13 18:00:40 +08:00
|
|
|
|
free (buf);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
2011-12-16 18:23:01 +08:00
|
|
|
|
static const bfd_mach_o_xlat_name bfd_mach_o_cs_magic[] =
|
|
|
|
|
{
|
|
|
|
|
{ "embedded signature", BFD_MACH_O_CS_MAGIC_EMBEDDED_SIGNATURE },
|
|
|
|
|
{ "requirement", BFD_MACH_O_CS_MAGIC_REQUIREMENT },
|
|
|
|
|
{ "requirements", BFD_MACH_O_CS_MAGIC_REQUIREMENTS },
|
|
|
|
|
{ "code directory", BFD_MACH_O_CS_MAGIC_CODEDIRECTORY },
|
|
|
|
|
{ "embedded entitlements", BFD_MACH_O_CS_MAGIC_EMBEDDED_ENTITLEMENTS },
|
|
|
|
|
{ "blob wrapper", BFD_MACH_O_CS_MAGIC_BLOB_WRAPPER },
|
|
|
|
|
{ NULL, 0 }
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
static const bfd_mach_o_xlat_name bfd_mach_o_cs_hash_type[] =
|
|
|
|
|
{
|
|
|
|
|
{ "no-hash", BFD_MACH_O_CS_NO_HASH },
|
|
|
|
|
{ "sha1", BFD_MACH_O_CS_HASH_SHA1 },
|
|
|
|
|
{ "sha256", BFD_MACH_O_CS_HASH_SHA256 },
|
|
|
|
|
{ "skein 160", BFD_MACH_O_CS_HASH_PRESTANDARD_SKEIN_160x256 },
|
|
|
|
|
{ "skein 256", BFD_MACH_O_CS_HASH_PRESTANDARD_SKEIN_256x512 },
|
|
|
|
|
{ NULL, 0 }
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
static unsigned int
|
|
|
|
|
dump_code_signature_blob (bfd *abfd, const unsigned char *buf, unsigned int len);
|
|
|
|
|
|
|
|
|
|
static void
|
|
|
|
|
dump_code_signature_superblob (bfd *abfd ATTRIBUTE_UNUSED,
|
|
|
|
|
const unsigned char *buf, unsigned int len)
|
|
|
|
|
{
|
|
|
|
|
unsigned int count;
|
|
|
|
|
unsigned int i;
|
|
|
|
|
|
|
|
|
|
if (len < 12)
|
|
|
|
|
{
|
|
|
|
|
printf (_(" [bad block length]\n"));
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
count = bfd_getb32 (buf + 8);
|
|
|
|
|
printf (_(" %u index entries:\n"), count);
|
|
|
|
|
if (len < 12 + 8 * count)
|
|
|
|
|
{
|
|
|
|
|
printf (_(" [bad block length]\n"));
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
for (i = 0; i < count; i++)
|
|
|
|
|
{
|
|
|
|
|
unsigned int type;
|
|
|
|
|
unsigned int off;
|
|
|
|
|
|
|
|
|
|
type = bfd_getb32 (buf + 12 + 8 * i);
|
|
|
|
|
off = bfd_getb32 (buf + 12 + 8 * i + 4);
|
|
|
|
|
printf (_(" index entry %u: type: %08x, offset: %08x\n"),
|
|
|
|
|
i, type, off);
|
|
|
|
|
|
|
|
|
|
dump_code_signature_blob (abfd, buf + off, len - off);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static void
|
|
|
|
|
swap_code_codedirectory_v1_in
|
|
|
|
|
(const struct mach_o_codesign_codedirectory_external_v1 *src,
|
|
|
|
|
struct mach_o_codesign_codedirectory_v1 *dst)
|
|
|
|
|
{
|
|
|
|
|
dst->version = bfd_getb32 (src->version);
|
|
|
|
|
dst->flags = bfd_getb32 (src->flags);
|
|
|
|
|
dst->hash_offset = bfd_getb32 (src->hash_offset);
|
|
|
|
|
dst->ident_offset = bfd_getb32 (src->ident_offset);
|
|
|
|
|
dst->nbr_special_slots = bfd_getb32 (src->nbr_special_slots);
|
|
|
|
|
dst->nbr_code_slots = bfd_getb32 (src->nbr_code_slots);
|
|
|
|
|
dst->code_limit = bfd_getb32 (src->code_limit);
|
|
|
|
|
dst->hash_size = src->hash_size[0];
|
|
|
|
|
dst->hash_type = src->hash_type[0];
|
|
|
|
|
dst->spare1 = src->spare1[0];
|
|
|
|
|
dst->page_size = src->page_size[0];
|
|
|
|
|
dst->spare2 = bfd_getb32 (src->spare2);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static void
|
|
|
|
|
hexdump (unsigned int start, unsigned int len,
|
|
|
|
|
const unsigned char *buf)
|
|
|
|
|
{
|
|
|
|
|
unsigned int i, j;
|
|
|
|
|
|
|
|
|
|
for (i = 0; i < len; i += 16)
|
|
|
|
|
{
|
|
|
|
|
printf ("%08x:", start + i);
|
|
|
|
|
for (j = 0; j < 16; j++)
|
|
|
|
|
{
|
|
|
|
|
fputc (j == 8 ? '-' : ' ', stdout);
|
|
|
|
|
if (i + j < len)
|
|
|
|
|
printf ("%02x", buf[i + j]);
|
|
|
|
|
else
|
|
|
|
|
fputs (" ", stdout);
|
|
|
|
|
}
|
|
|
|
|
fputc (' ', stdout);
|
|
|
|
|
for (j = 0; j < 16; j++)
|
|
|
|
|
{
|
|
|
|
|
if (i + j < len)
|
|
|
|
|
fputc (ISPRINT (buf[i + j]) ? buf[i + j] : '.', stdout);
|
|
|
|
|
else
|
|
|
|
|
fputc (' ', stdout);
|
|
|
|
|
}
|
|
|
|
|
fputc ('\n', stdout);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static void
|
|
|
|
|
dump_code_signature_codedirectory (bfd *abfd ATTRIBUTE_UNUSED,
|
|
|
|
|
const unsigned char *buf, unsigned int len)
|
|
|
|
|
{
|
|
|
|
|
struct mach_o_codesign_codedirectory_v1 cd;
|
|
|
|
|
const char *id;
|
|
|
|
|
|
|
|
|
|
if (len < sizeof (struct mach_o_codesign_codedirectory_external_v1))
|
|
|
|
|
{
|
|
|
|
|
printf (_(" [bad block length]\n"));
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
swap_code_codedirectory_v1_in
|
|
|
|
|
((const struct mach_o_codesign_codedirectory_external_v1 *) (buf + 8), &cd);
|
|
|
|
|
|
|
|
|
|
printf (_(" version: %08x\n"), cd.version);
|
|
|
|
|
printf (_(" flags: %08x\n"), cd.flags);
|
|
|
|
|
printf (_(" hash offset: %08x\n"), cd.hash_offset);
|
|
|
|
|
id = (const char *) buf + cd.ident_offset;
|
|
|
|
|
printf (_(" ident offset: %08x (- %08x)\n"),
|
|
|
|
|
cd.ident_offset, cd.ident_offset + (unsigned) strlen (id) + 1);
|
|
|
|
|
printf (_(" identity: %s\n"), id);
|
|
|
|
|
printf (_(" nbr special slots: %08x (at offset %08x)\n"),
|
|
|
|
|
cd.nbr_special_slots,
|
|
|
|
|
cd.hash_offset - cd.nbr_special_slots * cd.hash_size);
|
|
|
|
|
printf (_(" nbr code slots: %08x\n"), cd.nbr_code_slots);
|
|
|
|
|
printf (_(" code limit: %08x\n"), cd.code_limit);
|
|
|
|
|
printf (_(" hash size: %02x\n"), cd.hash_size);
|
|
|
|
|
printf (_(" hash type: %02x (%s)\n"),
|
|
|
|
|
cd.hash_type,
|
|
|
|
|
bfd_mach_o_get_name (bfd_mach_o_cs_hash_type, cd.hash_type));
|
|
|
|
|
printf (_(" spare1: %02x\n"), cd.spare1);
|
|
|
|
|
printf (_(" page size: %02x\n"), cd.page_size);
|
|
|
|
|
printf (_(" spare2: %08x\n"), cd.spare2);
|
|
|
|
|
if (cd.version >= 0x20100)
|
|
|
|
|
printf (_(" scatter offset: %08x\n"),
|
|
|
|
|
(unsigned) bfd_getb32 (buf + 44));
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static unsigned int
|
|
|
|
|
dump_code_signature_blob (bfd *abfd, const unsigned char *buf, unsigned int len)
|
|
|
|
|
{
|
|
|
|
|
unsigned int magic;
|
|
|
|
|
unsigned int length;
|
|
|
|
|
|
|
|
|
|
if (len < 8)
|
|
|
|
|
{
|
|
|
|
|
printf (_(" [truncated block]\n"));
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
magic = bfd_getb32 (buf);
|
|
|
|
|
length = bfd_getb32 (buf + 4);
|
|
|
|
|
if (magic == 0 || length == 0)
|
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
|
|
printf (_(" magic : %08x (%s)\n"), magic,
|
|
|
|
|
bfd_mach_o_get_name (bfd_mach_o_cs_magic, magic));
|
|
|
|
|
printf (_(" length: %08x\n"), length);
|
|
|
|
|
if (length > len)
|
|
|
|
|
{
|
|
|
|
|
printf (_(" [bad block length]\n"));
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
switch (magic)
|
|
|
|
|
{
|
|
|
|
|
case BFD_MACH_O_CS_MAGIC_EMBEDDED_SIGNATURE:
|
|
|
|
|
dump_code_signature_superblob (abfd, buf, length);
|
|
|
|
|
break;
|
|
|
|
|
case BFD_MACH_O_CS_MAGIC_CODEDIRECTORY:
|
|
|
|
|
dump_code_signature_codedirectory (abfd, buf, length);
|
|
|
|
|
break;
|
|
|
|
|
default:
|
|
|
|
|
hexdump (0, length - 8, buf + 8);
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
return length;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static void
|
|
|
|
|
dump_code_signature (bfd *abfd, bfd_mach_o_linkedit_command *cmd)
|
|
|
|
|
{
|
|
|
|
|
unsigned char *buf = xmalloc (cmd->datasize);
|
|
|
|
|
unsigned int off;
|
|
|
|
|
|
|
|
|
|
if (bfd_seek (abfd, cmd->dataoff, SEEK_SET) != 0
|
|
|
|
|
|| bfd_bread (buf, cmd->datasize, abfd) != cmd->datasize)
|
|
|
|
|
{
|
|
|
|
|
non_fatal (_("cannot read code signature data"));
|
|
|
|
|
free (buf);
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
for (off = 0; off < cmd->datasize;)
|
|
|
|
|
{
|
|
|
|
|
unsigned int len;
|
|
|
|
|
|
|
|
|
|
len = dump_code_signature_blob (abfd, buf + off, cmd->datasize - off);
|
|
|
|
|
|
|
|
|
|
if (len == 0)
|
|
|
|
|
break;
|
|
|
|
|
off += len;
|
|
|
|
|
}
|
|
|
|
|
free (buf);
|
|
|
|
|
}
|
|
|
|
|
|
2011-12-13 18:00:40 +08:00
|
|
|
|
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);
|
2011-12-16 18:23:01 +08:00
|
|
|
|
|
|
|
|
|
if (verbose && cmd->type == BFD_MACH_O_LC_CODE_SIGNATURE)
|
|
|
|
|
dump_code_signature (abfd, linkedit);
|
2011-12-13 18:00:40 +08:00
|
|
|
|
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;
|
2012-01-04 17:58:55 +08:00
|
|
|
|
case BFD_MACH_O_LC_ENCRYPTION_INFO:
|
|
|
|
|
{
|
|
|
|
|
bfd_mach_o_encryption_info_command *cryp =
|
|
|
|
|
&cmd->command.encryption_info;
|
|
|
|
|
printf
|
|
|
|
|
("\n"
|
|
|
|
|
" cryptoff: 0x%08x cryptsize: 0x%08x (endoff 0x%08x)"
|
|
|
|
|
" cryptid: %u\n",
|
|
|
|
|
cryp->cryptoff, cryp->cryptsize,
|
|
|
|
|
cryp->cryptoff + cryp->cryptsize,
|
|
|
|
|
cryp->cryptid);
|
|
|
|
|
}
|
|
|
|
|
break;
|
2011-12-13 18:00:40 +08:00
|
|
|
|
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);
|
2011-12-16 18:23:01 +08:00
|
|
|
|
if (options[OPT_CODESIGN].selected)
|
|
|
|
|
dump_load_commands (abfd, BFD_MACH_O_LC_CODE_SIGNATURE, 0);
|
2011-12-13 18:00:40 +08:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Vector for Mach-O. */
|
|
|
|
|
|
|
|
|
|
const struct objdump_private_desc objdump_private_desc_mach_o =
|
|
|
|
|
{
|
|
|
|
|
mach_o_help,
|
|
|
|
|
mach_o_filter,
|
|
|
|
|
mach_o_dump,
|
|
|
|
|
options
|
|
|
|
|
};
|