| 1 | /* od-macho.c -- dump information about an Mach-O object file. |
| 2 | Copyright 2011, 2012 Free Software Foundation, Inc. |
| 3 | Written by Tristan Gingold, Adacore. |
| 4 | |
| 5 | This file is part of GNU Binutils. |
| 6 | |
| 7 | This program is free software; you can redistribute it and/or modify |
| 8 | it under the terms of the GNU General Public License as published by |
| 9 | the Free Software Foundation; either version 3, or (at your option) |
| 10 | any later version. |
| 11 | |
| 12 | This program is distributed in the hope that it will be useful, |
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | GNU General Public License for more details. |
| 16 | |
| 17 | You should have received a copy of the GNU General Public License |
| 18 | along with this program; if not, write to the Free Software |
| 19 | Foundation, 51 Franklin Street - Fifth Floor, Boston, |
| 20 | MA 02110-1301, USA. */ |
| 21 | |
| 22 | #include "sysdep.h" |
| 23 | #include <stddef.h> |
| 24 | #include <time.h> |
| 25 | #include "safe-ctype.h" |
| 26 | #include "bfd.h" |
| 27 | #include "objdump.h" |
| 28 | #include "bucomm.h" |
| 29 | #include "bfdlink.h" |
| 30 | #include "libbfd.h" |
| 31 | #include "mach-o.h" |
| 32 | #include "mach-o/external.h" |
| 33 | #include "mach-o/codesign.h" |
| 34 | |
| 35 | /* Index of the options in the options[] array. */ |
| 36 | #define OPT_HEADER 0 |
| 37 | #define OPT_SECTION 1 |
| 38 | #define OPT_MAP 2 |
| 39 | #define OPT_LOAD 3 |
| 40 | #define OPT_DYSYMTAB 4 |
| 41 | #define OPT_CODESIGN 5 |
| 42 | #define OPT_SEG_SPLIT_INFO 6 |
| 43 | |
| 44 | /* List of actions. */ |
| 45 | static struct objdump_private_option options[] = |
| 46 | { |
| 47 | { "header", 0 }, |
| 48 | { "section", 0 }, |
| 49 | { "map", 0 }, |
| 50 | { "load", 0 }, |
| 51 | { "dysymtab", 0 }, |
| 52 | { "codesign", 0 }, |
| 53 | { "seg_split_info", 0 }, |
| 54 | { NULL, 0 } |
| 55 | }; |
| 56 | |
| 57 | /* Display help. */ |
| 58 | |
| 59 | static void |
| 60 | mach_o_help (FILE *stream) |
| 61 | { |
| 62 | fprintf (stream, _("\ |
| 63 | For Mach-O files:\n\ |
| 64 | header Display the file header\n\ |
| 65 | section Display the segments and sections commands\n\ |
| 66 | map Display the section map\n\ |
| 67 | load Display the load commands\n\ |
| 68 | dysymtab Display the dynamic symbol table\n\ |
| 69 | codesign Display code signature\n\ |
| 70 | seg_split_info Display segment split info\n\ |
| 71 | ")); |
| 72 | } |
| 73 | |
| 74 | /* Return TRUE if ABFD is handled. */ |
| 75 | |
| 76 | static int |
| 77 | mach_o_filter (bfd *abfd) |
| 78 | { |
| 79 | return bfd_get_flavour (abfd) == bfd_target_mach_o_flavour; |
| 80 | } |
| 81 | \f |
| 82 | static const bfd_mach_o_xlat_name bfd_mach_o_cpu_name[] = |
| 83 | { |
| 84 | { "vax", BFD_MACH_O_CPU_TYPE_VAX }, |
| 85 | { "mc680x0", BFD_MACH_O_CPU_TYPE_MC680x0 }, |
| 86 | { "i386", BFD_MACH_O_CPU_TYPE_I386 }, |
| 87 | { "mips", BFD_MACH_O_CPU_TYPE_MIPS }, |
| 88 | { "mc98000", BFD_MACH_O_CPU_TYPE_MC98000 }, |
| 89 | { "hppa", BFD_MACH_O_CPU_TYPE_HPPA }, |
| 90 | { "arm", BFD_MACH_O_CPU_TYPE_ARM }, |
| 91 | { "mc88000", BFD_MACH_O_CPU_TYPE_MC88000 }, |
| 92 | { "sparc", BFD_MACH_O_CPU_TYPE_SPARC }, |
| 93 | { "i860", BFD_MACH_O_CPU_TYPE_I860 }, |
| 94 | { "alpha", BFD_MACH_O_CPU_TYPE_ALPHA }, |
| 95 | { "powerpc", BFD_MACH_O_CPU_TYPE_POWERPC }, |
| 96 | { "powerpc_64", BFD_MACH_O_CPU_TYPE_POWERPC_64 }, |
| 97 | { "x86_64", BFD_MACH_O_CPU_TYPE_X86_64 }, |
| 98 | { NULL, 0} |
| 99 | }; |
| 100 | |
| 101 | static const bfd_mach_o_xlat_name bfd_mach_o_filetype_name[] = |
| 102 | { |
| 103 | { "object", BFD_MACH_O_MH_OBJECT }, |
| 104 | { "execute", BFD_MACH_O_MH_EXECUTE }, |
| 105 | { "fvmlib", BFD_MACH_O_MH_FVMLIB }, |
| 106 | { "core", BFD_MACH_O_MH_CORE }, |
| 107 | { "preload", BFD_MACH_O_MH_PRELOAD }, |
| 108 | { "dylib", BFD_MACH_O_MH_DYLIB }, |
| 109 | { "dylinker", BFD_MACH_O_MH_DYLINKER }, |
| 110 | { "bundle", BFD_MACH_O_MH_BUNDLE }, |
| 111 | { "dylib_stub", BFD_MACH_O_MH_DYLIB_STUB }, |
| 112 | { "dym", BFD_MACH_O_MH_DSYM }, |
| 113 | { "kext_bundle", BFD_MACH_O_MH_KEXT_BUNDLE }, |
| 114 | { NULL, 0} |
| 115 | }; |
| 116 | |
| 117 | static const bfd_mach_o_xlat_name bfd_mach_o_header_flags_name[] = |
| 118 | { |
| 119 | { "noundefs", BFD_MACH_O_MH_NOUNDEFS }, |
| 120 | { "incrlink", BFD_MACH_O_MH_INCRLINK }, |
| 121 | { "dyldlink", BFD_MACH_O_MH_DYLDLINK }, |
| 122 | { "bindatload", BFD_MACH_O_MH_BINDATLOAD }, |
| 123 | { "prebound", BFD_MACH_O_MH_PREBOUND }, |
| 124 | { "split_segs", BFD_MACH_O_MH_SPLIT_SEGS }, |
| 125 | { "lazy_init", BFD_MACH_O_MH_LAZY_INIT }, |
| 126 | { "twolevel", BFD_MACH_O_MH_TWOLEVEL }, |
| 127 | { "force_flat", BFD_MACH_O_MH_FORCE_FLAT }, |
| 128 | { "nomultidefs", BFD_MACH_O_MH_NOMULTIDEFS }, |
| 129 | { "nofixprebinding", BFD_MACH_O_MH_NOFIXPREBINDING }, |
| 130 | { "prebindable", BFD_MACH_O_MH_PREBINDABLE }, |
| 131 | { "allmodsbound", BFD_MACH_O_MH_ALLMODSBOUND }, |
| 132 | { "subsections_via_symbols", BFD_MACH_O_MH_SUBSECTIONS_VIA_SYMBOLS }, |
| 133 | { "canonical", BFD_MACH_O_MH_CANONICAL }, |
| 134 | { "weak_defines", BFD_MACH_O_MH_WEAK_DEFINES }, |
| 135 | { "binds_to_weak", BFD_MACH_O_MH_BINDS_TO_WEAK }, |
| 136 | { "allow_stack_execution", BFD_MACH_O_MH_ALLOW_STACK_EXECUTION }, |
| 137 | { "root_safe", BFD_MACH_O_MH_ROOT_SAFE }, |
| 138 | { "setuid_safe", BFD_MACH_O_MH_SETUID_SAFE }, |
| 139 | { "no_reexported_dylibs", BFD_MACH_O_MH_NO_REEXPORTED_DYLIBS }, |
| 140 | { "pie", BFD_MACH_O_MH_PIE }, |
| 141 | { NULL, 0} |
| 142 | }; |
| 143 | |
| 144 | static const bfd_mach_o_xlat_name bfd_mach_o_load_command_name[] = |
| 145 | { |
| 146 | { "segment", BFD_MACH_O_LC_SEGMENT}, |
| 147 | { "symtab", BFD_MACH_O_LC_SYMTAB}, |
| 148 | { "symseg", BFD_MACH_O_LC_SYMSEG}, |
| 149 | { "thread", BFD_MACH_O_LC_THREAD}, |
| 150 | { "unixthread", BFD_MACH_O_LC_UNIXTHREAD}, |
| 151 | { "loadfvmlib", BFD_MACH_O_LC_LOADFVMLIB}, |
| 152 | { "idfvmlib", BFD_MACH_O_LC_IDFVMLIB}, |
| 153 | { "ident", BFD_MACH_O_LC_IDENT}, |
| 154 | { "fvmfile", BFD_MACH_O_LC_FVMFILE}, |
| 155 | { "prepage", BFD_MACH_O_LC_PREPAGE}, |
| 156 | { "dysymtab", BFD_MACH_O_LC_DYSYMTAB}, |
| 157 | { "load_dylib", BFD_MACH_O_LC_LOAD_DYLIB}, |
| 158 | { "id_dylib", BFD_MACH_O_LC_ID_DYLIB}, |
| 159 | { "load_dylinker", BFD_MACH_O_LC_LOAD_DYLINKER}, |
| 160 | { "id_dylinker", BFD_MACH_O_LC_ID_DYLINKER}, |
| 161 | { "prebound_dylib", BFD_MACH_O_LC_PREBOUND_DYLIB}, |
| 162 | { "routines", BFD_MACH_O_LC_ROUTINES}, |
| 163 | { "sub_framework", BFD_MACH_O_LC_SUB_FRAMEWORK}, |
| 164 | { "sub_umbrella", BFD_MACH_O_LC_SUB_UMBRELLA}, |
| 165 | { "sub_client", BFD_MACH_O_LC_SUB_CLIENT}, |
| 166 | { "sub_library", BFD_MACH_O_LC_SUB_LIBRARY}, |
| 167 | { "twolevel_hints", BFD_MACH_O_LC_TWOLEVEL_HINTS}, |
| 168 | { "prebind_cksum", BFD_MACH_O_LC_PREBIND_CKSUM}, |
| 169 | { "load_weak_dylib", BFD_MACH_O_LC_LOAD_WEAK_DYLIB}, |
| 170 | { "segment_64", BFD_MACH_O_LC_SEGMENT_64}, |
| 171 | { "routines_64", BFD_MACH_O_LC_ROUTINES_64}, |
| 172 | { "uuid", BFD_MACH_O_LC_UUID}, |
| 173 | { "rpath", BFD_MACH_O_LC_RPATH}, |
| 174 | { "code_signature", BFD_MACH_O_LC_CODE_SIGNATURE}, |
| 175 | { "segment_split_info", BFD_MACH_O_LC_SEGMENT_SPLIT_INFO}, |
| 176 | { "reexport_dylib", BFD_MACH_O_LC_REEXPORT_DYLIB}, |
| 177 | { "lazy_load_dylib", BFD_MACH_O_LC_LAZY_LOAD_DYLIB}, |
| 178 | { "encryption_info", BFD_MACH_O_LC_ENCRYPTION_INFO}, |
| 179 | { "dyld_info", BFD_MACH_O_LC_DYLD_INFO}, |
| 180 | { "load_upward_lib", BFD_MACH_O_LC_LOAD_UPWARD_DYLIB}, |
| 181 | { "version_min_macosx", BFD_MACH_O_LC_VERSION_MIN_MACOSX}, |
| 182 | { "version_min_iphoneos", BFD_MACH_O_LC_VERSION_MIN_IPHONEOS}, |
| 183 | { "function_starts", BFD_MACH_O_LC_FUNCTION_STARTS}, |
| 184 | { "dyld_environment", BFD_MACH_O_LC_DYLD_ENVIRONMENT}, |
| 185 | { NULL, 0} |
| 186 | }; |
| 187 | |
| 188 | static const bfd_mach_o_xlat_name bfd_mach_o_thread_x86_name[] = |
| 189 | { |
| 190 | { "thread_state32", BFD_MACH_O_x86_THREAD_STATE32}, |
| 191 | { "float_state32", BFD_MACH_O_x86_FLOAT_STATE32}, |
| 192 | { "exception_state32", BFD_MACH_O_x86_EXCEPTION_STATE32}, |
| 193 | { "thread_state64", BFD_MACH_O_x86_THREAD_STATE64}, |
| 194 | { "float_state64", BFD_MACH_O_x86_FLOAT_STATE64}, |
| 195 | { "exception_state64", BFD_MACH_O_x86_EXCEPTION_STATE64}, |
| 196 | { "thread_state", BFD_MACH_O_x86_THREAD_STATE}, |
| 197 | { "float_state", BFD_MACH_O_x86_FLOAT_STATE}, |
| 198 | { "exception_state", BFD_MACH_O_x86_EXCEPTION_STATE}, |
| 199 | { "debug_state32", BFD_MACH_O_x86_DEBUG_STATE32}, |
| 200 | { "debug_state64", BFD_MACH_O_x86_DEBUG_STATE64}, |
| 201 | { "debug_state", BFD_MACH_O_x86_DEBUG_STATE}, |
| 202 | { "state_none", BFD_MACH_O_x86_THREAD_STATE_NONE}, |
| 203 | { NULL, 0 } |
| 204 | }; |
| 205 | \f |
| 206 | static void |
| 207 | bfd_mach_o_print_flags (const bfd_mach_o_xlat_name *table, |
| 208 | unsigned long val) |
| 209 | { |
| 210 | int first = 1; |
| 211 | |
| 212 | for (; table->name; table++) |
| 213 | { |
| 214 | if (table->val & val) |
| 215 | { |
| 216 | if (!first) |
| 217 | printf ("+"); |
| 218 | printf ("%s", table->name); |
| 219 | val &= ~table->val; |
| 220 | first = 0; |
| 221 | } |
| 222 | } |
| 223 | if (val) |
| 224 | { |
| 225 | if (!first) |
| 226 | printf ("+"); |
| 227 | printf ("0x%lx", val); |
| 228 | return; |
| 229 | } |
| 230 | if (first) |
| 231 | printf ("-"); |
| 232 | } |
| 233 | |
| 234 | static const char * |
| 235 | bfd_mach_o_get_name_or_null (const bfd_mach_o_xlat_name *table, |
| 236 | unsigned long val) |
| 237 | { |
| 238 | for (; table->name; table++) |
| 239 | if (table->val == val) |
| 240 | return table->name; |
| 241 | return NULL; |
| 242 | } |
| 243 | |
| 244 | static const char * |
| 245 | bfd_mach_o_get_name (const bfd_mach_o_xlat_name *table, unsigned long val) |
| 246 | { |
| 247 | const char *res = bfd_mach_o_get_name_or_null (table, val); |
| 248 | |
| 249 | if (res == NULL) |
| 250 | return "*UNKNOWN*"; |
| 251 | else |
| 252 | return res; |
| 253 | } |
| 254 | |
| 255 | static void |
| 256 | dump_header (bfd *abfd) |
| 257 | { |
| 258 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
| 259 | bfd_mach_o_header *h = &mdata->header; |
| 260 | |
| 261 | fputs (_("Mach-O header:\n"), stdout); |
| 262 | printf (_(" magic : %08lx\n"), h->magic); |
| 263 | printf (_(" cputype : %08lx (%s)\n"), h->cputype, |
| 264 | bfd_mach_o_get_name (bfd_mach_o_cpu_name, h->cputype)); |
| 265 | printf (_(" cpusubtype: %08lx\n"), h->cpusubtype); |
| 266 | printf (_(" filetype : %08lx (%s)\n"), |
| 267 | h->filetype, |
| 268 | bfd_mach_o_get_name (bfd_mach_o_filetype_name, h->filetype)); |
| 269 | printf (_(" ncmds : %08lx (%lu)\n"), h->ncmds, h->ncmds); |
| 270 | printf (_(" sizeofcmds: %08lx\n"), h->sizeofcmds); |
| 271 | printf (_(" flags : %08lx ("), h->flags); |
| 272 | bfd_mach_o_print_flags (bfd_mach_o_header_flags_name, h->flags); |
| 273 | fputs (_(")\n"), stdout); |
| 274 | printf (_(" reserved : %08x\n"), h->reserved); |
| 275 | } |
| 276 | |
| 277 | static void |
| 278 | dump_section_map (bfd *abfd) |
| 279 | { |
| 280 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
| 281 | unsigned int i; |
| 282 | unsigned int sec_nbr = 0; |
| 283 | |
| 284 | fputs (_("Segments and Sections:\n"), stdout); |
| 285 | fputs (_(" #: Segment name Section name Address\n"), stdout); |
| 286 | |
| 287 | for (i = 0; i < mdata->header.ncmds; i++) |
| 288 | { |
| 289 | bfd_mach_o_segment_command *seg; |
| 290 | bfd_mach_o_section *sec; |
| 291 | |
| 292 | if (mdata->commands[i].type != BFD_MACH_O_LC_SEGMENT |
| 293 | && mdata->commands[i].type != BFD_MACH_O_LC_SEGMENT_64) |
| 294 | continue; |
| 295 | |
| 296 | seg = &mdata->commands[i].command.segment; |
| 297 | |
| 298 | printf ("[Segment %-16s ", seg->segname); |
| 299 | printf_vma (seg->vmaddr); |
| 300 | putchar ('-'); |
| 301 | printf_vma (seg->vmaddr + seg->vmsize - 1); |
| 302 | putchar (' '); |
| 303 | putchar (seg->initprot & BFD_MACH_O_PROT_READ ? 'r' : '-'); |
| 304 | putchar (seg->initprot & BFD_MACH_O_PROT_WRITE ? 'w' : '-'); |
| 305 | putchar (seg->initprot & BFD_MACH_O_PROT_EXECUTE ? 'x' : '-'); |
| 306 | printf ("]\n"); |
| 307 | |
| 308 | for (sec = seg->sect_head; sec != NULL; sec = sec->next) |
| 309 | { |
| 310 | printf ("%02u: %-16s %-16s ", ++sec_nbr, |
| 311 | sec->segname, sec->sectname); |
| 312 | printf_vma (sec->addr); |
| 313 | putchar (' '); |
| 314 | printf_vma (sec->size); |
| 315 | printf (" %08lx\n", sec->flags); |
| 316 | } |
| 317 | } |
| 318 | } |
| 319 | |
| 320 | static void |
| 321 | dump_section (bfd *abfd ATTRIBUTE_UNUSED, bfd_mach_o_section *sec) |
| 322 | { |
| 323 | printf (" Section: %-16s %-16s (bfdname: %s)\n", |
| 324 | sec->sectname, sec->segname, sec->bfdsection->name); |
| 325 | printf (" addr: "); |
| 326 | printf_vma (sec->addr); |
| 327 | printf (" size: "); |
| 328 | printf_vma (sec->size); |
| 329 | printf (" offset: "); |
| 330 | printf_vma (sec->offset); |
| 331 | printf ("\n"); |
| 332 | printf (" align: %ld", sec->align); |
| 333 | printf (" nreloc: %lu reloff: ", sec->nreloc); |
| 334 | printf_vma (sec->reloff); |
| 335 | printf ("\n"); |
| 336 | printf (" flags: %08lx (type: %s", sec->flags, |
| 337 | bfd_mach_o_get_name (bfd_mach_o_section_type_name, |
| 338 | sec->flags & BFD_MACH_O_SECTION_TYPE_MASK)); |
| 339 | printf (" attr: "); |
| 340 | bfd_mach_o_print_flags (bfd_mach_o_section_attribute_name, |
| 341 | sec->flags & BFD_MACH_O_SECTION_ATTRIBUTES_MASK); |
| 342 | printf (")\n"); |
| 343 | switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK) |
| 344 | { |
| 345 | case BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS: |
| 346 | case BFD_MACH_O_S_LAZY_SYMBOL_POINTERS: |
| 347 | case BFD_MACH_O_S_SYMBOL_STUBS: |
| 348 | printf (" first indirect sym: %lu", sec->reserved1); |
| 349 | printf (" (%u entries)", |
| 350 | bfd_mach_o_section_get_nbr_indirect (abfd, sec)); |
| 351 | break; |
| 352 | default: |
| 353 | printf (" reserved1: 0x%lx", sec->reserved1); |
| 354 | break; |
| 355 | } |
| 356 | switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK) |
| 357 | { |
| 358 | case BFD_MACH_O_S_SYMBOL_STUBS: |
| 359 | printf (" stub size: %lu", sec->reserved2); |
| 360 | break; |
| 361 | default: |
| 362 | printf (" reserved2: 0x%lx", sec->reserved2); |
| 363 | break; |
| 364 | } |
| 365 | printf (" reserved3: 0x%lx\n", sec->reserved3); |
| 366 | } |
| 367 | |
| 368 | static void |
| 369 | dump_segment (bfd *abfd ATTRIBUTE_UNUSED, bfd_mach_o_load_command *cmd) |
| 370 | { |
| 371 | bfd_mach_o_segment_command *seg = &cmd->command.segment; |
| 372 | bfd_mach_o_section *sec; |
| 373 | |
| 374 | printf (" name: %s\n", *seg->segname ? seg->segname : "*none*"); |
| 375 | printf (" vmaddr: "); |
| 376 | printf_vma (seg->vmaddr); |
| 377 | printf (" vmsize: "); |
| 378 | printf_vma (seg->vmsize); |
| 379 | printf ("\n"); |
| 380 | printf (" fileoff: "); |
| 381 | printf_vma (seg->fileoff); |
| 382 | printf (" filesize: "); |
| 383 | printf_vma ((bfd_vma)seg->filesize); |
| 384 | printf (" endoff: "); |
| 385 | printf_vma ((bfd_vma)(seg->fileoff + seg->filesize)); |
| 386 | printf ("\n"); |
| 387 | printf (" nsects: %lu ", seg->nsects); |
| 388 | printf (" flags: %lx\n", seg->flags); |
| 389 | for (sec = seg->sect_head; sec != NULL; sec = sec->next) |
| 390 | dump_section (abfd, sec); |
| 391 | } |
| 392 | |
| 393 | static void |
| 394 | dump_dysymtab (bfd *abfd, bfd_mach_o_load_command *cmd, bfd_boolean verbose) |
| 395 | { |
| 396 | bfd_mach_o_dysymtab_command *dysymtab = &cmd->command.dysymtab; |
| 397 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
| 398 | unsigned int i; |
| 399 | |
| 400 | printf (" local symbols: idx: %10lu num: %-8lu", |
| 401 | dysymtab->ilocalsym, dysymtab->nlocalsym); |
| 402 | printf (" (nxtidx: %lu)\n", |
| 403 | dysymtab->ilocalsym + dysymtab->nlocalsym); |
| 404 | printf (" external symbols: idx: %10lu num: %-8lu", |
| 405 | dysymtab->iextdefsym, dysymtab->nextdefsym); |
| 406 | printf (" (nxtidx: %lu)\n", |
| 407 | dysymtab->iextdefsym + dysymtab->nextdefsym); |
| 408 | printf (" undefined symbols: idx: %10lu num: %-8lu", |
| 409 | dysymtab->iundefsym, dysymtab->nundefsym); |
| 410 | printf (" (nxtidx: %lu)\n", |
| 411 | dysymtab->iundefsym + dysymtab->nundefsym); |
| 412 | printf (" table of content: off: 0x%08lx num: %-8lu", |
| 413 | dysymtab->tocoff, dysymtab->ntoc); |
| 414 | printf (" (endoff: 0x%08lx)\n", |
| 415 | dysymtab->tocoff + dysymtab->ntoc * BFD_MACH_O_TABLE_OF_CONTENT_SIZE); |
| 416 | printf (" module table: off: 0x%08lx num: %-8lu", |
| 417 | dysymtab->modtaboff, dysymtab->nmodtab); |
| 418 | printf (" (endoff: 0x%08lx)\n", |
| 419 | dysymtab->modtaboff + dysymtab->nmodtab |
| 420 | * (mdata->header.version == 2 ? |
| 421 | BFD_MACH_O_DYLIB_MODULE_64_SIZE : BFD_MACH_O_DYLIB_MODULE_SIZE)); |
| 422 | printf (" external reference table: off: 0x%08lx num: %-8lu", |
| 423 | dysymtab->extrefsymoff, dysymtab->nextrefsyms); |
| 424 | printf (" (endoff: 0x%08lx)\n", |
| 425 | dysymtab->extrefsymoff |
| 426 | + dysymtab->nextrefsyms * BFD_MACH_O_REFERENCE_SIZE); |
| 427 | printf (" indirect symbol table: off: 0x%08lx num: %-8lu", |
| 428 | dysymtab->indirectsymoff, dysymtab->nindirectsyms); |
| 429 | printf (" (endoff: 0x%08lx)\n", |
| 430 | dysymtab->indirectsymoff |
| 431 | + dysymtab->nindirectsyms * BFD_MACH_O_INDIRECT_SYMBOL_SIZE); |
| 432 | printf (" external relocation table: off: 0x%08lx num: %-8lu", |
| 433 | dysymtab->extreloff, dysymtab->nextrel); |
| 434 | printf (" (endoff: 0x%08lx)\n", |
| 435 | dysymtab->extreloff + dysymtab->nextrel * BFD_MACH_O_RELENT_SIZE); |
| 436 | printf (" local relocation table: off: 0x%08lx num: %-8lu", |
| 437 | dysymtab->locreloff, dysymtab->nlocrel); |
| 438 | printf (" (endoff: 0x%08lx)\n", |
| 439 | dysymtab->locreloff + dysymtab->nlocrel * BFD_MACH_O_RELENT_SIZE); |
| 440 | |
| 441 | if (!verbose) |
| 442 | return; |
| 443 | |
| 444 | if (dysymtab->ntoc > 0 |
| 445 | || dysymtab->nindirectsyms > 0 |
| 446 | || dysymtab->nextrefsyms > 0) |
| 447 | { |
| 448 | /* Try to read the symbols to display the toc or indirect symbols. */ |
| 449 | bfd_mach_o_read_symtab_symbols (abfd); |
| 450 | } |
| 451 | else if (dysymtab->nmodtab > 0) |
| 452 | { |
| 453 | /* Try to read the strtab to display modules name. */ |
| 454 | bfd_mach_o_read_symtab_strtab (abfd); |
| 455 | } |
| 456 | |
| 457 | for (i = 0; i < dysymtab->nmodtab; i++) |
| 458 | { |
| 459 | bfd_mach_o_dylib_module *module = &dysymtab->dylib_module[i]; |
| 460 | printf (" module %u:\n", i); |
| 461 | printf (" name: %lu", module->module_name_idx); |
| 462 | if (mdata->symtab && mdata->symtab->strtab) |
| 463 | printf (": %s", |
| 464 | mdata->symtab->strtab + module->module_name_idx); |
| 465 | printf ("\n"); |
| 466 | printf (" extdefsym: idx: %8lu num: %lu\n", |
| 467 | module->iextdefsym, module->nextdefsym); |
| 468 | printf (" refsym: idx: %8lu num: %lu\n", |
| 469 | module->irefsym, module->nrefsym); |
| 470 | printf (" localsym: idx: %8lu num: %lu\n", |
| 471 | module->ilocalsym, module->nlocalsym); |
| 472 | printf (" extrel: idx: %8lu num: %lu\n", |
| 473 | module->iextrel, module->nextrel); |
| 474 | printf (" init: idx: %8u num: %u\n", |
| 475 | module->iinit, module->ninit); |
| 476 | printf (" term: idx: %8u num: %u\n", |
| 477 | module->iterm, module->nterm); |
| 478 | printf (" objc_module_info: addr: "); |
| 479 | printf_vma (module->objc_module_info_addr); |
| 480 | printf (" size: %lu\n", module->objc_module_info_size); |
| 481 | } |
| 482 | |
| 483 | if (dysymtab->ntoc > 0) |
| 484 | { |
| 485 | bfd_mach_o_symtab_command *symtab = mdata->symtab; |
| 486 | |
| 487 | printf (" table of content: (symbol/module)\n"); |
| 488 | for (i = 0; i < dysymtab->ntoc; i++) |
| 489 | { |
| 490 | bfd_mach_o_dylib_table_of_content *toc = &dysymtab->dylib_toc[i]; |
| 491 | |
| 492 | printf (" %4u: ", i); |
| 493 | if (symtab && symtab->symbols && toc->symbol_index < symtab->nsyms) |
| 494 | { |
| 495 | const char *name = symtab->symbols[toc->symbol_index].symbol.name; |
| 496 | printf ("%s (%lu)", name ? name : "*invalid*", |
| 497 | toc->symbol_index); |
| 498 | } |
| 499 | else |
| 500 | printf ("%lu", toc->symbol_index); |
| 501 | |
| 502 | printf (" / "); |
| 503 | if (symtab && symtab->strtab |
| 504 | && toc->module_index < dysymtab->nmodtab) |
| 505 | { |
| 506 | bfd_mach_o_dylib_module *mod; |
| 507 | mod = &dysymtab->dylib_module[toc->module_index]; |
| 508 | printf ("%s (%lu)", |
| 509 | symtab->strtab + mod->module_name_idx, |
| 510 | toc->module_index); |
| 511 | } |
| 512 | else |
| 513 | printf ("%lu", toc->module_index); |
| 514 | |
| 515 | printf ("\n"); |
| 516 | } |
| 517 | } |
| 518 | |
| 519 | if (dysymtab->nindirectsyms != 0) |
| 520 | { |
| 521 | printf (" indirect symbols:\n"); |
| 522 | |
| 523 | for (i = 0; i < mdata->nsects; i++) |
| 524 | { |
| 525 | bfd_mach_o_section *sec = mdata->sections[i]; |
| 526 | unsigned int j, first, last; |
| 527 | bfd_mach_o_symtab_command *symtab = mdata->symtab; |
| 528 | bfd_vma addr; |
| 529 | bfd_vma entry_size; |
| 530 | |
| 531 | switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK) |
| 532 | { |
| 533 | case BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS: |
| 534 | case BFD_MACH_O_S_LAZY_SYMBOL_POINTERS: |
| 535 | case BFD_MACH_O_S_SYMBOL_STUBS: |
| 536 | first = sec->reserved1; |
| 537 | last = first + bfd_mach_o_section_get_nbr_indirect (abfd, sec); |
| 538 | addr = sec->addr; |
| 539 | entry_size = bfd_mach_o_section_get_entry_size (abfd, sec); |
| 540 | printf (" for section %s.%s:\n", |
| 541 | sec->segname, sec->sectname); |
| 542 | for (j = first; j < last; j++) |
| 543 | { |
| 544 | unsigned int isym = dysymtab->indirect_syms[j]; |
| 545 | |
| 546 | printf (" "); |
| 547 | printf_vma (addr); |
| 548 | printf (" %5u: 0x%08x", j, isym); |
| 549 | if (isym & BFD_MACH_O_INDIRECT_SYMBOL_LOCAL) |
| 550 | printf (" LOCAL"); |
| 551 | if (isym & BFD_MACH_O_INDIRECT_SYMBOL_ABS) |
| 552 | printf (" ABSOLUTE"); |
| 553 | if (symtab && symtab->symbols |
| 554 | && isym < symtab->nsyms |
| 555 | && symtab->symbols[isym].symbol.name) |
| 556 | printf (" %s", symtab->symbols[isym].symbol.name); |
| 557 | printf ("\n"); |
| 558 | addr += entry_size; |
| 559 | } |
| 560 | break; |
| 561 | default: |
| 562 | break; |
| 563 | } |
| 564 | } |
| 565 | } |
| 566 | if (dysymtab->nextrefsyms > 0) |
| 567 | { |
| 568 | bfd_mach_o_symtab_command *symtab = mdata->symtab; |
| 569 | |
| 570 | printf (" external reference table: (symbol flags)\n"); |
| 571 | for (i = 0; i < dysymtab->nextrefsyms; i++) |
| 572 | { |
| 573 | bfd_mach_o_dylib_reference *ref = &dysymtab->ext_refs[i]; |
| 574 | |
| 575 | printf (" %4u: %5lu 0x%02lx", i, ref->isym, ref->flags); |
| 576 | if (symtab && symtab->symbols |
| 577 | && ref->isym < symtab->nsyms |
| 578 | && symtab->symbols[ref->isym].symbol.name) |
| 579 | printf (" %s", symtab->symbols[ref->isym].symbol.name); |
| 580 | printf ("\n"); |
| 581 | } |
| 582 | } |
| 583 | |
| 584 | } |
| 585 | |
| 586 | static void |
| 587 | dump_dyld_info (bfd *abfd ATTRIBUTE_UNUSED, bfd_mach_o_load_command *cmd) |
| 588 | { |
| 589 | bfd_mach_o_dyld_info_command *info = &cmd->command.dyld_info; |
| 590 | |
| 591 | printf (" rebase: off: 0x%08x size: %-8u\n", |
| 592 | info->rebase_off, info->rebase_size); |
| 593 | printf (" bind: off: 0x%08x size: %-8u\n", |
| 594 | info->bind_off, info->bind_size); |
| 595 | printf (" weak bind: off: 0x%08x size: %-8u\n", |
| 596 | info->weak_bind_off, info->weak_bind_size); |
| 597 | printf (" lazy bind: off: 0x%08x size: %-8u\n", |
| 598 | info->lazy_bind_off, info->lazy_bind_size); |
| 599 | printf (" export: off: 0x%08x size: %-8u\n", |
| 600 | info->export_off, info->export_size); |
| 601 | } |
| 602 | |
| 603 | static void |
| 604 | dump_thread (bfd *abfd, bfd_mach_o_load_command *cmd) |
| 605 | { |
| 606 | bfd_mach_o_thread_command *thread = &cmd->command.thread; |
| 607 | unsigned int j; |
| 608 | bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd); |
| 609 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
| 610 | |
| 611 | printf (" nflavours: %lu\n", thread->nflavours); |
| 612 | for (j = 0; j < thread->nflavours; j++) |
| 613 | { |
| 614 | bfd_mach_o_thread_flavour *flavour = &thread->flavours[j]; |
| 615 | const bfd_mach_o_xlat_name *name_table; |
| 616 | |
| 617 | printf (" %2u: flavour: 0x%08lx", j, flavour->flavour); |
| 618 | switch (mdata->header.cputype) |
| 619 | { |
| 620 | case BFD_MACH_O_CPU_TYPE_I386: |
| 621 | case BFD_MACH_O_CPU_TYPE_X86_64: |
| 622 | name_table = bfd_mach_o_thread_x86_name; |
| 623 | break; |
| 624 | default: |
| 625 | name_table = NULL; |
| 626 | break; |
| 627 | } |
| 628 | if (name_table != NULL) |
| 629 | printf (": %s", bfd_mach_o_get_name (name_table, flavour->flavour)); |
| 630 | putchar ('\n'); |
| 631 | |
| 632 | printf (" offset: 0x%08lx size: 0x%08lx\n", |
| 633 | flavour->offset, flavour->size); |
| 634 | if (bed->_bfd_mach_o_print_thread) |
| 635 | { |
| 636 | char *buf = xmalloc (flavour->size); |
| 637 | |
| 638 | if (bfd_seek (abfd, flavour->offset, SEEK_SET) == 0 |
| 639 | && bfd_bread (buf, flavour->size, abfd) == flavour->size) |
| 640 | (*bed->_bfd_mach_o_print_thread)(abfd, flavour, stdout, buf); |
| 641 | |
| 642 | free (buf); |
| 643 | } |
| 644 | } |
| 645 | } |
| 646 | |
| 647 | static const bfd_mach_o_xlat_name bfd_mach_o_cs_magic[] = |
| 648 | { |
| 649 | { "embedded signature", BFD_MACH_O_CS_MAGIC_EMBEDDED_SIGNATURE }, |
| 650 | { "requirement", BFD_MACH_O_CS_MAGIC_REQUIREMENT }, |
| 651 | { "requirements", BFD_MACH_O_CS_MAGIC_REQUIREMENTS }, |
| 652 | { "code directory", BFD_MACH_O_CS_MAGIC_CODEDIRECTORY }, |
| 653 | { "embedded entitlements", BFD_MACH_O_CS_MAGIC_EMBEDDED_ENTITLEMENTS }, |
| 654 | { "blob wrapper", BFD_MACH_O_CS_MAGIC_BLOB_WRAPPER }, |
| 655 | { NULL, 0 } |
| 656 | }; |
| 657 | |
| 658 | static const bfd_mach_o_xlat_name bfd_mach_o_cs_hash_type[] = |
| 659 | { |
| 660 | { "no-hash", BFD_MACH_O_CS_NO_HASH }, |
| 661 | { "sha1", BFD_MACH_O_CS_HASH_SHA1 }, |
| 662 | { "sha256", BFD_MACH_O_CS_HASH_SHA256 }, |
| 663 | { "skein 160", BFD_MACH_O_CS_HASH_PRESTANDARD_SKEIN_160x256 }, |
| 664 | { "skein 256", BFD_MACH_O_CS_HASH_PRESTANDARD_SKEIN_256x512 }, |
| 665 | { NULL, 0 } |
| 666 | }; |
| 667 | |
| 668 | static unsigned int |
| 669 | dump_code_signature_blob (bfd *abfd, const unsigned char *buf, unsigned int len); |
| 670 | |
| 671 | static void |
| 672 | dump_code_signature_superblob (bfd *abfd ATTRIBUTE_UNUSED, |
| 673 | const unsigned char *buf, unsigned int len) |
| 674 | { |
| 675 | unsigned int count; |
| 676 | unsigned int i; |
| 677 | |
| 678 | if (len < 12) |
| 679 | { |
| 680 | printf (_(" [bad block length]\n")); |
| 681 | return; |
| 682 | } |
| 683 | count = bfd_getb32 (buf + 8); |
| 684 | printf (_(" %u index entries:\n"), count); |
| 685 | if (len < 12 + 8 * count) |
| 686 | { |
| 687 | printf (_(" [bad block length]\n")); |
| 688 | return; |
| 689 | } |
| 690 | for (i = 0; i < count; i++) |
| 691 | { |
| 692 | unsigned int type; |
| 693 | unsigned int off; |
| 694 | |
| 695 | type = bfd_getb32 (buf + 12 + 8 * i); |
| 696 | off = bfd_getb32 (buf + 12 + 8 * i + 4); |
| 697 | printf (_(" index entry %u: type: %08x, offset: %08x\n"), |
| 698 | i, type, off); |
| 699 | |
| 700 | dump_code_signature_blob (abfd, buf + off, len - off); |
| 701 | } |
| 702 | } |
| 703 | |
| 704 | static void |
| 705 | swap_code_codedirectory_v1_in |
| 706 | (const struct mach_o_codesign_codedirectory_external_v1 *src, |
| 707 | struct mach_o_codesign_codedirectory_v1 *dst) |
| 708 | { |
| 709 | dst->version = bfd_getb32 (src->version); |
| 710 | dst->flags = bfd_getb32 (src->flags); |
| 711 | dst->hash_offset = bfd_getb32 (src->hash_offset); |
| 712 | dst->ident_offset = bfd_getb32 (src->ident_offset); |
| 713 | dst->nbr_special_slots = bfd_getb32 (src->nbr_special_slots); |
| 714 | dst->nbr_code_slots = bfd_getb32 (src->nbr_code_slots); |
| 715 | dst->code_limit = bfd_getb32 (src->code_limit); |
| 716 | dst->hash_size = src->hash_size[0]; |
| 717 | dst->hash_type = src->hash_type[0]; |
| 718 | dst->spare1 = src->spare1[0]; |
| 719 | dst->page_size = src->page_size[0]; |
| 720 | dst->spare2 = bfd_getb32 (src->spare2); |
| 721 | } |
| 722 | |
| 723 | static void |
| 724 | hexdump (unsigned int start, unsigned int len, |
| 725 | const unsigned char *buf) |
| 726 | { |
| 727 | unsigned int i, j; |
| 728 | |
| 729 | for (i = 0; i < len; i += 16) |
| 730 | { |
| 731 | printf ("%08x:", start + i); |
| 732 | for (j = 0; j < 16; j++) |
| 733 | { |
| 734 | fputc (j == 8 ? '-' : ' ', stdout); |
| 735 | if (i + j < len) |
| 736 | printf ("%02x", buf[i + j]); |
| 737 | else |
| 738 | fputs (" ", stdout); |
| 739 | } |
| 740 | fputc (' ', stdout); |
| 741 | for (j = 0; j < 16; j++) |
| 742 | { |
| 743 | if (i + j < len) |
| 744 | fputc (ISPRINT (buf[i + j]) ? buf[i + j] : '.', stdout); |
| 745 | else |
| 746 | fputc (' ', stdout); |
| 747 | } |
| 748 | fputc ('\n', stdout); |
| 749 | } |
| 750 | } |
| 751 | |
| 752 | static void |
| 753 | dump_code_signature_codedirectory (bfd *abfd ATTRIBUTE_UNUSED, |
| 754 | const unsigned char *buf, unsigned int len) |
| 755 | { |
| 756 | struct mach_o_codesign_codedirectory_v1 cd; |
| 757 | const char *id; |
| 758 | |
| 759 | if (len < sizeof (struct mach_o_codesign_codedirectory_external_v1)) |
| 760 | { |
| 761 | printf (_(" [bad block length]\n")); |
| 762 | return; |
| 763 | } |
| 764 | |
| 765 | swap_code_codedirectory_v1_in |
| 766 | ((const struct mach_o_codesign_codedirectory_external_v1 *) (buf + 8), &cd); |
| 767 | |
| 768 | printf (_(" version: %08x\n"), cd.version); |
| 769 | printf (_(" flags: %08x\n"), cd.flags); |
| 770 | printf (_(" hash offset: %08x\n"), cd.hash_offset); |
| 771 | id = (const char *) buf + cd.ident_offset; |
| 772 | printf (_(" ident offset: %08x (- %08x)\n"), |
| 773 | cd.ident_offset, cd.ident_offset + (unsigned) strlen (id) + 1); |
| 774 | printf (_(" identity: %s\n"), id); |
| 775 | printf (_(" nbr special slots: %08x (at offset %08x)\n"), |
| 776 | cd.nbr_special_slots, |
| 777 | cd.hash_offset - cd.nbr_special_slots * cd.hash_size); |
| 778 | printf (_(" nbr code slots: %08x\n"), cd.nbr_code_slots); |
| 779 | printf (_(" code limit: %08x\n"), cd.code_limit); |
| 780 | printf (_(" hash size: %02x\n"), cd.hash_size); |
| 781 | printf (_(" hash type: %02x (%s)\n"), |
| 782 | cd.hash_type, |
| 783 | bfd_mach_o_get_name (bfd_mach_o_cs_hash_type, cd.hash_type)); |
| 784 | printf (_(" spare1: %02x\n"), cd.spare1); |
| 785 | printf (_(" page size: %02x\n"), cd.page_size); |
| 786 | printf (_(" spare2: %08x\n"), cd.spare2); |
| 787 | if (cd.version >= 0x20100) |
| 788 | printf (_(" scatter offset: %08x\n"), |
| 789 | (unsigned) bfd_getb32 (buf + 44)); |
| 790 | } |
| 791 | |
| 792 | static unsigned int |
| 793 | dump_code_signature_blob (bfd *abfd, const unsigned char *buf, unsigned int len) |
| 794 | { |
| 795 | unsigned int magic; |
| 796 | unsigned int length; |
| 797 | |
| 798 | if (len < 8) |
| 799 | { |
| 800 | printf (_(" [truncated block]\n")); |
| 801 | return 0; |
| 802 | } |
| 803 | magic = bfd_getb32 (buf); |
| 804 | length = bfd_getb32 (buf + 4); |
| 805 | if (magic == 0 || length == 0) |
| 806 | return 0; |
| 807 | |
| 808 | printf (_(" magic : %08x (%s)\n"), magic, |
| 809 | bfd_mach_o_get_name (bfd_mach_o_cs_magic, magic)); |
| 810 | printf (_(" length: %08x\n"), length); |
| 811 | if (length > len) |
| 812 | { |
| 813 | printf (_(" [bad block length]\n")); |
| 814 | return 0; |
| 815 | } |
| 816 | |
| 817 | switch (magic) |
| 818 | { |
| 819 | case BFD_MACH_O_CS_MAGIC_EMBEDDED_SIGNATURE: |
| 820 | dump_code_signature_superblob (abfd, buf, length); |
| 821 | break; |
| 822 | case BFD_MACH_O_CS_MAGIC_CODEDIRECTORY: |
| 823 | dump_code_signature_codedirectory (abfd, buf, length); |
| 824 | break; |
| 825 | default: |
| 826 | hexdump (0, length - 8, buf + 8); |
| 827 | break; |
| 828 | } |
| 829 | return length; |
| 830 | } |
| 831 | |
| 832 | static void |
| 833 | dump_code_signature (bfd *abfd, bfd_mach_o_linkedit_command *cmd) |
| 834 | { |
| 835 | unsigned char *buf = xmalloc (cmd->datasize); |
| 836 | unsigned int off; |
| 837 | |
| 838 | if (bfd_seek (abfd, cmd->dataoff, SEEK_SET) != 0 |
| 839 | || bfd_bread (buf, cmd->datasize, abfd) != cmd->datasize) |
| 840 | { |
| 841 | non_fatal (_("cannot read code signature data")); |
| 842 | free (buf); |
| 843 | return; |
| 844 | } |
| 845 | for (off = 0; off < cmd->datasize;) |
| 846 | { |
| 847 | unsigned int len; |
| 848 | |
| 849 | len = dump_code_signature_blob (abfd, buf + off, cmd->datasize - off); |
| 850 | |
| 851 | if (len == 0) |
| 852 | break; |
| 853 | off += len; |
| 854 | } |
| 855 | free (buf); |
| 856 | } |
| 857 | |
| 858 | static void |
| 859 | dump_segment_split_info (bfd *abfd, bfd_mach_o_linkedit_command *cmd) |
| 860 | { |
| 861 | unsigned char *buf = xmalloc (cmd->datasize); |
| 862 | unsigned char *p; |
| 863 | unsigned int len; |
| 864 | bfd_vma addr = 0; |
| 865 | |
| 866 | if (bfd_seek (abfd, cmd->dataoff, SEEK_SET) != 0 |
| 867 | || bfd_bread (buf, cmd->datasize, abfd) != cmd->datasize) |
| 868 | { |
| 869 | non_fatal (_("cannot read segment split info")); |
| 870 | free (buf); |
| 871 | return; |
| 872 | } |
| 873 | if (buf[cmd->datasize - 1] != 0) |
| 874 | { |
| 875 | non_fatal (_("segment split info is not nul terminated")); |
| 876 | free (buf); |
| 877 | return; |
| 878 | } |
| 879 | |
| 880 | switch (buf[0]) |
| 881 | { |
| 882 | case 0: |
| 883 | printf (_(" 32 bit pointers:\n")); |
| 884 | break; |
| 885 | case 1: |
| 886 | printf (_(" 64 bit pointers:\n")); |
| 887 | break; |
| 888 | case 2: |
| 889 | printf (_(" PPC hi-16:\n")); |
| 890 | break; |
| 891 | default: |
| 892 | printf (_(" Unhandled location type %u\n"), buf[0]); |
| 893 | break; |
| 894 | } |
| 895 | for (p = buf + 1; *p != 0; p += len) |
| 896 | { |
| 897 | addr += read_unsigned_leb128 (abfd, p, &len); |
| 898 | fputs (" ", stdout); |
| 899 | bfd_printf_vma (abfd, addr); |
| 900 | putchar ('\n'); |
| 901 | } |
| 902 | free (buf); |
| 903 | } |
| 904 | |
| 905 | static void |
| 906 | dump_load_command (bfd *abfd, bfd_mach_o_load_command *cmd, |
| 907 | bfd_boolean verbose) |
| 908 | { |
| 909 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
| 910 | const char *cmd_name; |
| 911 | |
| 912 | cmd_name = bfd_mach_o_get_name_or_null |
| 913 | (bfd_mach_o_load_command_name, cmd->type); |
| 914 | printf ("Load command "); |
| 915 | if (cmd_name == NULL) |
| 916 | printf ("0x%02x:", cmd->type); |
| 917 | else |
| 918 | printf ("%s:", cmd_name); |
| 919 | |
| 920 | switch (cmd->type) |
| 921 | { |
| 922 | case BFD_MACH_O_LC_SEGMENT: |
| 923 | case BFD_MACH_O_LC_SEGMENT_64: |
| 924 | dump_segment (abfd, cmd); |
| 925 | break; |
| 926 | case BFD_MACH_O_LC_UUID: |
| 927 | { |
| 928 | bfd_mach_o_uuid_command *uuid = &cmd->command.uuid; |
| 929 | unsigned int j; |
| 930 | |
| 931 | for (j = 0; j < sizeof (uuid->uuid); j ++) |
| 932 | printf (" %02x", uuid->uuid[j]); |
| 933 | putchar ('\n'); |
| 934 | } |
| 935 | break; |
| 936 | case BFD_MACH_O_LC_LOAD_DYLIB: |
| 937 | case BFD_MACH_O_LC_LOAD_WEAK_DYLIB: |
| 938 | case BFD_MACH_O_LC_REEXPORT_DYLIB: |
| 939 | case BFD_MACH_O_LC_ID_DYLIB: |
| 940 | case BFD_MACH_O_LC_LOAD_UPWARD_DYLIB: |
| 941 | { |
| 942 | bfd_mach_o_dylib_command *dylib = &cmd->command.dylib; |
| 943 | printf (" %s\n", dylib->name_str); |
| 944 | printf (" time stamp: 0x%08lx\n", |
| 945 | dylib->timestamp); |
| 946 | printf (" current version: 0x%08lx\n", |
| 947 | dylib->current_version); |
| 948 | printf (" comptibility version: 0x%08lx\n", |
| 949 | dylib->compatibility_version); |
| 950 | } |
| 951 | break; |
| 952 | case BFD_MACH_O_LC_LOAD_DYLINKER: |
| 953 | case BFD_MACH_O_LC_ID_DYLINKER: |
| 954 | printf (" %s\n", cmd->command.dylinker.name_str); |
| 955 | break; |
| 956 | case BFD_MACH_O_LC_SYMTAB: |
| 957 | { |
| 958 | bfd_mach_o_symtab_command *symtab = &cmd->command.symtab; |
| 959 | printf ("\n" |
| 960 | " symoff: 0x%08x nsyms: %8u (endoff: 0x%08x)\n", |
| 961 | symtab->symoff, symtab->nsyms, |
| 962 | symtab->symoff + symtab->nsyms |
| 963 | * (mdata->header.version == 2 |
| 964 | ? BFD_MACH_O_NLIST_64_SIZE : BFD_MACH_O_NLIST_SIZE)); |
| 965 | printf (" stroff: 0x%08x strsize: %8u (endoff: 0x%08x)\n", |
| 966 | symtab->stroff, symtab->strsize, |
| 967 | symtab->stroff + symtab->strsize); |
| 968 | break; |
| 969 | } |
| 970 | case BFD_MACH_O_LC_DYSYMTAB: |
| 971 | putchar ('\n'); |
| 972 | dump_dysymtab (abfd, cmd, verbose); |
| 973 | break; |
| 974 | case BFD_MACH_O_LC_LOADFVMLIB: |
| 975 | case BFD_MACH_O_LC_IDFVMLIB: |
| 976 | { |
| 977 | bfd_mach_o_fvmlib_command *fvmlib = &cmd->command.fvmlib; |
| 978 | printf (" %s\n", fvmlib->name_str); |
| 979 | printf (" minor version: 0x%08x\n", fvmlib->minor_version); |
| 980 | printf (" header address: 0x%08x\n", fvmlib->header_addr); |
| 981 | } |
| 982 | break; |
| 983 | case BFD_MACH_O_LC_CODE_SIGNATURE: |
| 984 | case BFD_MACH_O_LC_SEGMENT_SPLIT_INFO: |
| 985 | case BFD_MACH_O_LC_FUNCTION_STARTS: |
| 986 | { |
| 987 | bfd_mach_o_linkedit_command *linkedit = &cmd->command.linkedit; |
| 988 | printf |
| 989 | ("\n" |
| 990 | " dataoff: 0x%08lx datasize: 0x%08lx (endoff: 0x%08lx)\n", |
| 991 | linkedit->dataoff, linkedit->datasize, |
| 992 | linkedit->dataoff + linkedit->datasize); |
| 993 | |
| 994 | if (verbose && cmd->type == BFD_MACH_O_LC_CODE_SIGNATURE) |
| 995 | dump_code_signature (abfd, linkedit); |
| 996 | else if (verbose && cmd->type == BFD_MACH_O_LC_SEGMENT_SPLIT_INFO) |
| 997 | dump_segment_split_info (abfd, linkedit); |
| 998 | break; |
| 999 | } |
| 1000 | case BFD_MACH_O_LC_SUB_FRAMEWORK: |
| 1001 | case BFD_MACH_O_LC_SUB_UMBRELLA: |
| 1002 | case BFD_MACH_O_LC_SUB_LIBRARY: |
| 1003 | case BFD_MACH_O_LC_SUB_CLIENT: |
| 1004 | case BFD_MACH_O_LC_RPATH: |
| 1005 | { |
| 1006 | bfd_mach_o_str_command *str = &cmd->command.str; |
| 1007 | printf (" %s\n", str->str); |
| 1008 | break; |
| 1009 | } |
| 1010 | case BFD_MACH_O_LC_THREAD: |
| 1011 | case BFD_MACH_O_LC_UNIXTHREAD: |
| 1012 | dump_thread (abfd, cmd); |
| 1013 | break; |
| 1014 | case BFD_MACH_O_LC_ENCRYPTION_INFO: |
| 1015 | { |
| 1016 | bfd_mach_o_encryption_info_command *cryp = |
| 1017 | &cmd->command.encryption_info; |
| 1018 | printf |
| 1019 | ("\n" |
| 1020 | " cryptoff: 0x%08x cryptsize: 0x%08x (endoff 0x%08x)" |
| 1021 | " cryptid: %u\n", |
| 1022 | cryp->cryptoff, cryp->cryptsize, |
| 1023 | cryp->cryptoff + cryp->cryptsize, |
| 1024 | cryp->cryptid); |
| 1025 | } |
| 1026 | break; |
| 1027 | case BFD_MACH_O_LC_DYLD_INFO: |
| 1028 | putchar ('\n'); |
| 1029 | dump_dyld_info (abfd, cmd); |
| 1030 | break; |
| 1031 | case BFD_MACH_O_LC_VERSION_MIN_MACOSX: |
| 1032 | case BFD_MACH_O_LC_VERSION_MIN_IPHONEOS: |
| 1033 | { |
| 1034 | bfd_mach_o_version_min_command *ver = &cmd->command.version_min; |
| 1035 | |
| 1036 | printf (" %u.%u.%u\n", ver->rel, ver->maj, ver->min); |
| 1037 | } |
| 1038 | break; |
| 1039 | default: |
| 1040 | putchar ('\n'); |
| 1041 | printf (" offset: 0x%08lx\n", (unsigned long)cmd->offset); |
| 1042 | printf (" size: 0x%08lx\n", (unsigned long)cmd->len); |
| 1043 | break; |
| 1044 | } |
| 1045 | putchar ('\n'); |
| 1046 | } |
| 1047 | |
| 1048 | static void |
| 1049 | dump_load_commands (bfd *abfd, unsigned int cmd32, unsigned int cmd64) |
| 1050 | { |
| 1051 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
| 1052 | unsigned int i; |
| 1053 | |
| 1054 | for (i = 0; i < mdata->header.ncmds; i++) |
| 1055 | { |
| 1056 | bfd_mach_o_load_command *cmd = &mdata->commands[i]; |
| 1057 | |
| 1058 | if (cmd32 == 0) |
| 1059 | dump_load_command (abfd, cmd, FALSE); |
| 1060 | else if (cmd->type == cmd32 || cmd->type == cmd64) |
| 1061 | dump_load_command (abfd, cmd, TRUE); |
| 1062 | } |
| 1063 | } |
| 1064 | |
| 1065 | /* Dump ABFD (according to the options[] array). */ |
| 1066 | |
| 1067 | static void |
| 1068 | mach_o_dump (bfd *abfd) |
| 1069 | { |
| 1070 | if (options[OPT_HEADER].selected) |
| 1071 | dump_header (abfd); |
| 1072 | if (options[OPT_SECTION].selected) |
| 1073 | dump_load_commands (abfd, BFD_MACH_O_LC_SEGMENT, BFD_MACH_O_LC_SEGMENT_64); |
| 1074 | if (options[OPT_MAP].selected) |
| 1075 | dump_section_map (abfd); |
| 1076 | if (options[OPT_LOAD].selected) |
| 1077 | dump_load_commands (abfd, 0, 0); |
| 1078 | if (options[OPT_DYSYMTAB].selected) |
| 1079 | dump_load_commands (abfd, BFD_MACH_O_LC_DYSYMTAB, 0); |
| 1080 | if (options[OPT_CODESIGN].selected) |
| 1081 | dump_load_commands (abfd, BFD_MACH_O_LC_CODE_SIGNATURE, 0); |
| 1082 | if (options[OPT_SEG_SPLIT_INFO].selected) |
| 1083 | dump_load_commands (abfd, BFD_MACH_O_LC_SEGMENT_SPLIT_INFO, 0); |
| 1084 | } |
| 1085 | |
| 1086 | /* Vector for Mach-O. */ |
| 1087 | |
| 1088 | const struct objdump_private_desc objdump_private_desc_mach_o = |
| 1089 | { |
| 1090 | mach_o_help, |
| 1091 | mach_o_filter, |
| 1092 | mach_o_dump, |
| 1093 | options |
| 1094 | }; |