diff options
Diffstat (limited to 'binutils/od-macho.c')
| -rw-r--r-- | binutils/od-macho.c | 83 |
1 files changed, 82 insertions, 1 deletions
diff --git a/binutils/od-macho.c b/binutils/od-macho.c index 31cce9d..d606a2b 100644 --- a/binutils/od-macho.c +++ b/binutils/od-macho.c @@ -44,6 +44,7 @@ #define OPT_COMPACT_UNWIND 7 #define OPT_FUNCTION_STARTS 8 #define OPT_DATA_IN_CODE 9 +#define OPT_TWOLEVEL_HINTS 10 /* List of actions. */ static struct objdump_private_option options[] = @@ -58,6 +59,7 @@ static struct objdump_private_option options[] = { "compact_unwind", 0 }, { "function_starts", 0 }, { "data_in_code", 0 }, + { "twolevel_hints", 0 }, { NULL, 0 } }; @@ -78,6 +80,7 @@ For Mach-O files:\n\ compact_unwind Display compact unwinding info\n\ function_starts Display start address of functions\n\ data_in_code Display data in code entries\n\ + twolevel_hints Display the two-level namespace lookup hints table\n\ ")); } @@ -1004,7 +1007,7 @@ dump_data_in_code (bfd *abfd, bfd_mach_o_linkedit_command *cmd) if (bfd_seek (abfd, cmd->dataoff, SEEK_SET) != 0 || bfd_bread (buf, cmd->datasize, abfd) != cmd->datasize) { - non_fatal (_("cannot read function starts")); + non_fatal (_("cannot read data_in_code")); free (buf); return; } @@ -1032,6 +1035,45 @@ dump_data_in_code (bfd *abfd, bfd_mach_o_linkedit_command *cmd) } static void +dump_twolevel_hints (bfd *abfd, bfd_mach_o_twolevel_hints_command *cmd) +{ + size_t sz = 4 * cmd->nhints; + unsigned char *buf; + unsigned char *p; + + buf = xmalloc (sz); + if (bfd_seek (abfd, cmd->offset, SEEK_SET) != 0 + || bfd_bread (buf, sz, abfd) != sz) + { + non_fatal (_("cannot read twolevel hints")); + free (buf); + return; + } + + for (p = buf; p < buf + sz; p += 4) + { + unsigned int v; + unsigned int isub_image; + unsigned int itoc; + + v = bfd_get_32 (abfd, p); + if (bfd_big_endian (abfd)) + { + isub_image = (v >> 24) & 0xff; + itoc = v & 0xffffff; + } + else + { + isub_image = v & 0xff; + itoc = (v >> 8) & 0xffffff; + } + + printf (" %3u %8u\n", isub_image, itoc); + } + free (buf); +} + +static void dump_load_command (bfd *abfd, bfd_mach_o_load_command *cmd, bfd_boolean verbose) { @@ -1195,6 +1237,43 @@ dump_load_command (bfd *abfd, bfd_mach_o_load_command *cmd, version->a, version->b, version->c, version->d, version->e); break; } + case BFD_MACH_O_LC_PREBOUND_DYLIB: + { + bfd_mach_o_prebound_dylib_command *pbdy = &cmd->command.prebound_dylib; + unsigned char *lm = pbdy->linked_modules; + unsigned int j; + unsigned int last; + + printf (" %s\n", pbdy->name_str); + printf (" nmodules: %u\n", pbdy->nmodules); + printf (" linked modules (at %u): ", + pbdy->linked_modules_offset - cmd->offset); + last = pbdy->nmodules > 32 ? 32 : pbdy->nmodules; + for (j = 0; j < last; j++) + printf ("%u", (lm[j >> 3] >> (j & 7)) & 1); + if (last < pbdy->nmodules) + printf ("..."); + putchar ('\n'); + break; + } + case BFD_MACH_O_LC_PREBIND_CKSUM: + { + bfd_mach_o_prebind_cksum_command *cksum = &cmd->command.prebind_cksum; + printf (" 0x%08x\n", cksum->cksum); + break; + } + case BFD_MACH_O_LC_TWOLEVEL_HINTS: + { + bfd_mach_o_twolevel_hints_command *hints = + &cmd->command.twolevel_hints; + + printf ("\n" + " table offset: 0x%08x nbr hints: %u\n", + hints->offset, hints->nhints); + if (verbose) + dump_twolevel_hints (abfd, hints); + break; + } case BFD_MACH_O_LC_MAIN: { bfd_mach_o_main_command *entry = &cmd->command.main; @@ -1688,6 +1767,8 @@ mach_o_dump (bfd *abfd) dump_load_commands (abfd, BFD_MACH_O_LC_FUNCTION_STARTS, 0); if (options[OPT_DATA_IN_CODE].selected) dump_load_commands (abfd, BFD_MACH_O_LC_DATA_IN_CODE, 0); + if (options[OPT_TWOLEVEL_HINTS].selected) + dump_load_commands (abfd, BFD_MACH_O_LC_TWOLEVEL_HINTS, 0); if (options[OPT_COMPACT_UNWIND].selected) { dump_section_content (abfd, "__LD", "__compact_unwind", |