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12fa714f | 1 | /* od-macho.c -- dump information about an Mach-O object file. |
4b95cf5c | 2 | Copyright (C) 2011-2014 Free Software Foundation, Inc. |
12fa714f TG |
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 | ||
dbb7c441 | 22 | #include "sysdep.h" |
12fa714f TG |
23 | #include <stddef.h> |
24 | #include <time.h> | |
12fa714f TG |
25 | #include "safe-ctype.h" |
26 | #include "bfd.h" | |
27 | #include "objdump.h" | |
28 | #include "bucomm.h" | |
29 | #include "bfdlink.h" | |
2128eb39 | 30 | #include "libbfd.h" |
12fa714f TG |
31 | #include "mach-o.h" |
32 | #include "mach-o/external.h" | |
2634e8c8 | 33 | #include "mach-o/codesign.h" |
167e1c1f | 34 | #include "mach-o/unwind.h" |
12fa714f TG |
35 | |
36 | /* Index of the options in the options[] array. */ | |
37 | #define OPT_HEADER 0 | |
38 | #define OPT_SECTION 1 | |
39 | #define OPT_MAP 2 | |
40 | #define OPT_LOAD 3 | |
41 | #define OPT_DYSYMTAB 4 | |
2634e8c8 | 42 | #define OPT_CODESIGN 5 |
2128eb39 | 43 | #define OPT_SEG_SPLIT_INFO 6 |
167e1c1f | 44 | #define OPT_COMPACT_UNWIND 7 |
12fa714f TG |
45 | |
46 | /* List of actions. */ | |
47 | static struct objdump_private_option options[] = | |
48 | { | |
49 | { "header", 0 }, | |
50 | { "section", 0 }, | |
51 | { "map", 0 }, | |
52 | { "load", 0 }, | |
53 | { "dysymtab", 0 }, | |
2634e8c8 | 54 | { "codesign", 0 }, |
2128eb39 | 55 | { "seg_split_info", 0 }, |
167e1c1f | 56 | { "compact_unwind", 0 }, |
12fa714f TG |
57 | { NULL, 0 } |
58 | }; | |
59 | ||
60 | /* Display help. */ | |
61 | ||
62 | static void | |
63 | mach_o_help (FILE *stream) | |
64 | { | |
65 | fprintf (stream, _("\ | |
66 | For Mach-O files:\n\ | |
2128eb39 TG |
67 | header Display the file header\n\ |
68 | section Display the segments and sections commands\n\ | |
69 | map Display the section map\n\ | |
70 | load Display the load commands\n\ | |
71 | dysymtab Display the dynamic symbol table\n\ | |
72 | codesign Display code signature\n\ | |
73 | seg_split_info Display segment split info\n\ | |
167e1c1f | 74 | compact_unwind Display compact unwinding info\n\ |
12fa714f TG |
75 | ")); |
76 | } | |
77 | ||
78 | /* Return TRUE if ABFD is handled. */ | |
79 | ||
80 | static int | |
81 | mach_o_filter (bfd *abfd) | |
82 | { | |
83 | return bfd_get_flavour (abfd) == bfd_target_mach_o_flavour; | |
84 | } | |
85 | \f | |
86 | static const bfd_mach_o_xlat_name bfd_mach_o_cpu_name[] = | |
87 | { | |
88 | { "vax", BFD_MACH_O_CPU_TYPE_VAX }, | |
89 | { "mc680x0", BFD_MACH_O_CPU_TYPE_MC680x0 }, | |
90 | { "i386", BFD_MACH_O_CPU_TYPE_I386 }, | |
91 | { "mips", BFD_MACH_O_CPU_TYPE_MIPS }, | |
92 | { "mc98000", BFD_MACH_O_CPU_TYPE_MC98000 }, | |
93 | { "hppa", BFD_MACH_O_CPU_TYPE_HPPA }, | |
94 | { "arm", BFD_MACH_O_CPU_TYPE_ARM }, | |
95 | { "mc88000", BFD_MACH_O_CPU_TYPE_MC88000 }, | |
96 | { "sparc", BFD_MACH_O_CPU_TYPE_SPARC }, | |
97 | { "i860", BFD_MACH_O_CPU_TYPE_I860 }, | |
98 | { "alpha", BFD_MACH_O_CPU_TYPE_ALPHA }, | |
99 | { "powerpc", BFD_MACH_O_CPU_TYPE_POWERPC }, | |
100 | { "powerpc_64", BFD_MACH_O_CPU_TYPE_POWERPC_64 }, | |
101 | { "x86_64", BFD_MACH_O_CPU_TYPE_X86_64 }, | |
102 | { NULL, 0} | |
103 | }; | |
104 | ||
105 | static const bfd_mach_o_xlat_name bfd_mach_o_filetype_name[] = | |
106 | { | |
107 | { "object", BFD_MACH_O_MH_OBJECT }, | |
108 | { "execute", BFD_MACH_O_MH_EXECUTE }, | |
109 | { "fvmlib", BFD_MACH_O_MH_FVMLIB }, | |
110 | { "core", BFD_MACH_O_MH_CORE }, | |
111 | { "preload", BFD_MACH_O_MH_PRELOAD }, | |
112 | { "dylib", BFD_MACH_O_MH_DYLIB }, | |
113 | { "dylinker", BFD_MACH_O_MH_DYLINKER }, | |
114 | { "bundle", BFD_MACH_O_MH_BUNDLE }, | |
115 | { "dylib_stub", BFD_MACH_O_MH_DYLIB_STUB }, | |
116 | { "dym", BFD_MACH_O_MH_DSYM }, | |
117 | { "kext_bundle", BFD_MACH_O_MH_KEXT_BUNDLE }, | |
118 | { NULL, 0} | |
119 | }; | |
120 | ||
121 | static const bfd_mach_o_xlat_name bfd_mach_o_header_flags_name[] = | |
122 | { | |
123 | { "noundefs", BFD_MACH_O_MH_NOUNDEFS }, | |
124 | { "incrlink", BFD_MACH_O_MH_INCRLINK }, | |
125 | { "dyldlink", BFD_MACH_O_MH_DYLDLINK }, | |
126 | { "bindatload", BFD_MACH_O_MH_BINDATLOAD }, | |
127 | { "prebound", BFD_MACH_O_MH_PREBOUND }, | |
128 | { "split_segs", BFD_MACH_O_MH_SPLIT_SEGS }, | |
129 | { "lazy_init", BFD_MACH_O_MH_LAZY_INIT }, | |
130 | { "twolevel", BFD_MACH_O_MH_TWOLEVEL }, | |
131 | { "force_flat", BFD_MACH_O_MH_FORCE_FLAT }, | |
132 | { "nomultidefs", BFD_MACH_O_MH_NOMULTIDEFS }, | |
133 | { "nofixprebinding", BFD_MACH_O_MH_NOFIXPREBINDING }, | |
134 | { "prebindable", BFD_MACH_O_MH_PREBINDABLE }, | |
135 | { "allmodsbound", BFD_MACH_O_MH_ALLMODSBOUND }, | |
136 | { "subsections_via_symbols", BFD_MACH_O_MH_SUBSECTIONS_VIA_SYMBOLS }, | |
137 | { "canonical", BFD_MACH_O_MH_CANONICAL }, | |
138 | { "weak_defines", BFD_MACH_O_MH_WEAK_DEFINES }, | |
139 | { "binds_to_weak", BFD_MACH_O_MH_BINDS_TO_WEAK }, | |
140 | { "allow_stack_execution", BFD_MACH_O_MH_ALLOW_STACK_EXECUTION }, | |
141 | { "root_safe", BFD_MACH_O_MH_ROOT_SAFE }, | |
142 | { "setuid_safe", BFD_MACH_O_MH_SETUID_SAFE }, | |
143 | { "no_reexported_dylibs", BFD_MACH_O_MH_NO_REEXPORTED_DYLIBS }, | |
144 | { "pie", BFD_MACH_O_MH_PIE }, | |
145 | { NULL, 0} | |
146 | }; | |
147 | ||
148 | static const bfd_mach_o_xlat_name bfd_mach_o_load_command_name[] = | |
149 | { | |
150 | { "segment", BFD_MACH_O_LC_SEGMENT}, | |
151 | { "symtab", BFD_MACH_O_LC_SYMTAB}, | |
152 | { "symseg", BFD_MACH_O_LC_SYMSEG}, | |
153 | { "thread", BFD_MACH_O_LC_THREAD}, | |
154 | { "unixthread", BFD_MACH_O_LC_UNIXTHREAD}, | |
155 | { "loadfvmlib", BFD_MACH_O_LC_LOADFVMLIB}, | |
156 | { "idfvmlib", BFD_MACH_O_LC_IDFVMLIB}, | |
157 | { "ident", BFD_MACH_O_LC_IDENT}, | |
158 | { "fvmfile", BFD_MACH_O_LC_FVMFILE}, | |
159 | { "prepage", BFD_MACH_O_LC_PREPAGE}, | |
160 | { "dysymtab", BFD_MACH_O_LC_DYSYMTAB}, | |
161 | { "load_dylib", BFD_MACH_O_LC_LOAD_DYLIB}, | |
162 | { "id_dylib", BFD_MACH_O_LC_ID_DYLIB}, | |
163 | { "load_dylinker", BFD_MACH_O_LC_LOAD_DYLINKER}, | |
164 | { "id_dylinker", BFD_MACH_O_LC_ID_DYLINKER}, | |
165 | { "prebound_dylib", BFD_MACH_O_LC_PREBOUND_DYLIB}, | |
166 | { "routines", BFD_MACH_O_LC_ROUTINES}, | |
167 | { "sub_framework", BFD_MACH_O_LC_SUB_FRAMEWORK}, | |
168 | { "sub_umbrella", BFD_MACH_O_LC_SUB_UMBRELLA}, | |
169 | { "sub_client", BFD_MACH_O_LC_SUB_CLIENT}, | |
170 | { "sub_library", BFD_MACH_O_LC_SUB_LIBRARY}, | |
171 | { "twolevel_hints", BFD_MACH_O_LC_TWOLEVEL_HINTS}, | |
172 | { "prebind_cksum", BFD_MACH_O_LC_PREBIND_CKSUM}, | |
173 | { "load_weak_dylib", BFD_MACH_O_LC_LOAD_WEAK_DYLIB}, | |
174 | { "segment_64", BFD_MACH_O_LC_SEGMENT_64}, | |
175 | { "routines_64", BFD_MACH_O_LC_ROUTINES_64}, | |
176 | { "uuid", BFD_MACH_O_LC_UUID}, | |
177 | { "rpath", BFD_MACH_O_LC_RPATH}, | |
178 | { "code_signature", BFD_MACH_O_LC_CODE_SIGNATURE}, | |
179 | { "segment_split_info", BFD_MACH_O_LC_SEGMENT_SPLIT_INFO}, | |
180 | { "reexport_dylib", BFD_MACH_O_LC_REEXPORT_DYLIB}, | |
181 | { "lazy_load_dylib", BFD_MACH_O_LC_LAZY_LOAD_DYLIB}, | |
182 | { "encryption_info", BFD_MACH_O_LC_ENCRYPTION_INFO}, | |
183 | { "dyld_info", BFD_MACH_O_LC_DYLD_INFO}, | |
184 | { "load_upward_lib", BFD_MACH_O_LC_LOAD_UPWARD_DYLIB}, | |
185 | { "version_min_macosx", BFD_MACH_O_LC_VERSION_MIN_MACOSX}, | |
186 | { "version_min_iphoneos", BFD_MACH_O_LC_VERSION_MIN_IPHONEOS}, | |
187 | { "function_starts", BFD_MACH_O_LC_FUNCTION_STARTS}, | |
188 | { "dyld_environment", BFD_MACH_O_LC_DYLD_ENVIRONMENT}, | |
1778ad74 TG |
189 | { "main", BFD_MACH_O_LC_MAIN}, |
190 | { "data_in_code", BFD_MACH_O_LC_DATA_IN_CODE}, | |
191 | { "source_version", BFD_MACH_O_LC_SOURCE_VERSION}, | |
192 | { "dylib_code_sign_drs", BFD_MACH_O_LC_DYLIB_CODE_SIGN_DRS}, | |
12fa714f TG |
193 | { NULL, 0} |
194 | }; | |
195 | ||
196 | static const bfd_mach_o_xlat_name bfd_mach_o_thread_x86_name[] = | |
197 | { | |
198 | { "thread_state32", BFD_MACH_O_x86_THREAD_STATE32}, | |
199 | { "float_state32", BFD_MACH_O_x86_FLOAT_STATE32}, | |
200 | { "exception_state32", BFD_MACH_O_x86_EXCEPTION_STATE32}, | |
201 | { "thread_state64", BFD_MACH_O_x86_THREAD_STATE64}, | |
202 | { "float_state64", BFD_MACH_O_x86_FLOAT_STATE64}, | |
203 | { "exception_state64", BFD_MACH_O_x86_EXCEPTION_STATE64}, | |
204 | { "thread_state", BFD_MACH_O_x86_THREAD_STATE}, | |
205 | { "float_state", BFD_MACH_O_x86_FLOAT_STATE}, | |
206 | { "exception_state", BFD_MACH_O_x86_EXCEPTION_STATE}, | |
207 | { "debug_state32", BFD_MACH_O_x86_DEBUG_STATE32}, | |
208 | { "debug_state64", BFD_MACH_O_x86_DEBUG_STATE64}, | |
209 | { "debug_state", BFD_MACH_O_x86_DEBUG_STATE}, | |
210 | { "state_none", BFD_MACH_O_x86_THREAD_STATE_NONE}, | |
211 | { NULL, 0 } | |
212 | }; | |
213 | \f | |
214 | static void | |
215 | bfd_mach_o_print_flags (const bfd_mach_o_xlat_name *table, | |
216 | unsigned long val) | |
217 | { | |
218 | int first = 1; | |
219 | ||
220 | for (; table->name; table++) | |
221 | { | |
222 | if (table->val & val) | |
223 | { | |
224 | if (!first) | |
225 | printf ("+"); | |
226 | printf ("%s", table->name); | |
227 | val &= ~table->val; | |
228 | first = 0; | |
229 | } | |
230 | } | |
231 | if (val) | |
232 | { | |
233 | if (!first) | |
234 | printf ("+"); | |
235 | printf ("0x%lx", val); | |
236 | return; | |
237 | } | |
238 | if (first) | |
239 | printf ("-"); | |
240 | } | |
241 | ||
242 | static const char * | |
243 | bfd_mach_o_get_name_or_null (const bfd_mach_o_xlat_name *table, | |
244 | unsigned long val) | |
245 | { | |
246 | for (; table->name; table++) | |
247 | if (table->val == val) | |
248 | return table->name; | |
249 | return NULL; | |
250 | } | |
251 | ||
252 | static const char * | |
253 | bfd_mach_o_get_name (const bfd_mach_o_xlat_name *table, unsigned long val) | |
254 | { | |
255 | const char *res = bfd_mach_o_get_name_or_null (table, val); | |
256 | ||
257 | if (res == NULL) | |
258 | return "*UNKNOWN*"; | |
259 | else | |
260 | return res; | |
261 | } | |
262 | ||
263 | static void | |
264 | dump_header (bfd *abfd) | |
265 | { | |
266 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
267 | bfd_mach_o_header *h = &mdata->header; | |
268 | ||
269 | fputs (_("Mach-O header:\n"), stdout); | |
270 | printf (_(" magic : %08lx\n"), h->magic); | |
271 | printf (_(" cputype : %08lx (%s)\n"), h->cputype, | |
2634e8c8 | 272 | bfd_mach_o_get_name (bfd_mach_o_cpu_name, h->cputype)); |
12fa714f TG |
273 | printf (_(" cpusubtype: %08lx\n"), h->cpusubtype); |
274 | printf (_(" filetype : %08lx (%s)\n"), | |
2634e8c8 TG |
275 | h->filetype, |
276 | bfd_mach_o_get_name (bfd_mach_o_filetype_name, h->filetype)); | |
12fa714f TG |
277 | printf (_(" ncmds : %08lx (%lu)\n"), h->ncmds, h->ncmds); |
278 | printf (_(" sizeofcmds: %08lx\n"), h->sizeofcmds); | |
279 | printf (_(" flags : %08lx ("), h->flags); | |
280 | bfd_mach_o_print_flags (bfd_mach_o_header_flags_name, h->flags); | |
281 | fputs (_(")\n"), stdout); | |
282 | printf (_(" reserved : %08x\n"), h->reserved); | |
283 | } | |
284 | ||
285 | static void | |
286 | dump_section_map (bfd *abfd) | |
287 | { | |
288 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
289 | unsigned int i; | |
290 | unsigned int sec_nbr = 0; | |
291 | ||
292 | fputs (_("Segments and Sections:\n"), stdout); | |
293 | fputs (_(" #: Segment name Section name Address\n"), stdout); | |
294 | ||
295 | for (i = 0; i < mdata->header.ncmds; i++) | |
296 | { | |
297 | bfd_mach_o_segment_command *seg; | |
298 | bfd_mach_o_section *sec; | |
299 | ||
300 | if (mdata->commands[i].type != BFD_MACH_O_LC_SEGMENT | |
301 | && mdata->commands[i].type != BFD_MACH_O_LC_SEGMENT_64) | |
302 | continue; | |
303 | ||
304 | seg = &mdata->commands[i].command.segment; | |
305 | ||
306 | printf ("[Segment %-16s ", seg->segname); | |
307 | printf_vma (seg->vmaddr); | |
308 | putchar ('-'); | |
309 | printf_vma (seg->vmaddr + seg->vmsize - 1); | |
310 | putchar (' '); | |
311 | putchar (seg->initprot & BFD_MACH_O_PROT_READ ? 'r' : '-'); | |
312 | putchar (seg->initprot & BFD_MACH_O_PROT_WRITE ? 'w' : '-'); | |
313 | putchar (seg->initprot & BFD_MACH_O_PROT_EXECUTE ? 'x' : '-'); | |
314 | printf ("]\n"); | |
315 | ||
316 | for (sec = seg->sect_head; sec != NULL; sec = sec->next) | |
317 | { | |
318 | printf ("%02u: %-16s %-16s ", ++sec_nbr, | |
319 | sec->segname, sec->sectname); | |
320 | printf_vma (sec->addr); | |
321 | putchar (' '); | |
322 | printf_vma (sec->size); | |
323 | printf (" %08lx\n", sec->flags); | |
324 | } | |
325 | } | |
326 | } | |
327 | ||
328 | static void | |
167e1c1f | 329 | dump_section_header (bfd *abfd ATTRIBUTE_UNUSED, bfd_mach_o_section *sec) |
12fa714f TG |
330 | { |
331 | printf (" Section: %-16s %-16s (bfdname: %s)\n", | |
332 | sec->sectname, sec->segname, sec->bfdsection->name); | |
333 | printf (" addr: "); | |
334 | printf_vma (sec->addr); | |
335 | printf (" size: "); | |
336 | printf_vma (sec->size); | |
337 | printf (" offset: "); | |
338 | printf_vma (sec->offset); | |
339 | printf ("\n"); | |
340 | printf (" align: %ld", sec->align); | |
341 | printf (" nreloc: %lu reloff: ", sec->nreloc); | |
342 | printf_vma (sec->reloff); | |
343 | printf ("\n"); | |
344 | printf (" flags: %08lx (type: %s", sec->flags, | |
345 | bfd_mach_o_get_name (bfd_mach_o_section_type_name, | |
346 | sec->flags & BFD_MACH_O_SECTION_TYPE_MASK)); | |
347 | printf (" attr: "); | |
348 | bfd_mach_o_print_flags (bfd_mach_o_section_attribute_name, | |
349 | sec->flags & BFD_MACH_O_SECTION_ATTRIBUTES_MASK); | |
350 | printf (")\n"); | |
351 | switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK) | |
352 | { | |
353 | case BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS: | |
354 | case BFD_MACH_O_S_LAZY_SYMBOL_POINTERS: | |
355 | case BFD_MACH_O_S_SYMBOL_STUBS: | |
356 | printf (" first indirect sym: %lu", sec->reserved1); | |
357 | printf (" (%u entries)", | |
358 | bfd_mach_o_section_get_nbr_indirect (abfd, sec)); | |
359 | break; | |
360 | default: | |
361 | printf (" reserved1: 0x%lx", sec->reserved1); | |
362 | break; | |
363 | } | |
364 | switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK) | |
365 | { | |
366 | case BFD_MACH_O_S_SYMBOL_STUBS: | |
367 | printf (" stub size: %lu", sec->reserved2); | |
368 | break; | |
369 | default: | |
370 | printf (" reserved2: 0x%lx", sec->reserved2); | |
371 | break; | |
372 | } | |
373 | printf (" reserved3: 0x%lx\n", sec->reserved3); | |
374 | } | |
375 | ||
376 | static void | |
377 | dump_segment (bfd *abfd ATTRIBUTE_UNUSED, bfd_mach_o_load_command *cmd) | |
378 | { | |
379 | bfd_mach_o_segment_command *seg = &cmd->command.segment; | |
380 | bfd_mach_o_section *sec; | |
381 | ||
382 | printf (" name: %s\n", *seg->segname ? seg->segname : "*none*"); | |
383 | printf (" vmaddr: "); | |
384 | printf_vma (seg->vmaddr); | |
385 | printf (" vmsize: "); | |
386 | printf_vma (seg->vmsize); | |
387 | printf ("\n"); | |
388 | printf (" fileoff: "); | |
389 | printf_vma (seg->fileoff); | |
390 | printf (" filesize: "); | |
391 | printf_vma ((bfd_vma)seg->filesize); | |
392 | printf (" endoff: "); | |
393 | printf_vma ((bfd_vma)(seg->fileoff + seg->filesize)); | |
394 | printf ("\n"); | |
395 | printf (" nsects: %lu ", seg->nsects); | |
396 | printf (" flags: %lx\n", seg->flags); | |
397 | for (sec = seg->sect_head; sec != NULL; sec = sec->next) | |
167e1c1f | 398 | dump_section_header (abfd, sec); |
12fa714f TG |
399 | } |
400 | ||
401 | static void | |
402 | dump_dysymtab (bfd *abfd, bfd_mach_o_load_command *cmd, bfd_boolean verbose) | |
403 | { | |
404 | bfd_mach_o_dysymtab_command *dysymtab = &cmd->command.dysymtab; | |
405 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
406 | unsigned int i; | |
407 | ||
408 | printf (" local symbols: idx: %10lu num: %-8lu", | |
409 | dysymtab->ilocalsym, dysymtab->nlocalsym); | |
410 | printf (" (nxtidx: %lu)\n", | |
411 | dysymtab->ilocalsym + dysymtab->nlocalsym); | |
412 | printf (" external symbols: idx: %10lu num: %-8lu", | |
413 | dysymtab->iextdefsym, dysymtab->nextdefsym); | |
414 | printf (" (nxtidx: %lu)\n", | |
415 | dysymtab->iextdefsym + dysymtab->nextdefsym); | |
416 | printf (" undefined symbols: idx: %10lu num: %-8lu", | |
417 | dysymtab->iundefsym, dysymtab->nundefsym); | |
418 | printf (" (nxtidx: %lu)\n", | |
419 | dysymtab->iundefsym + dysymtab->nundefsym); | |
420 | printf (" table of content: off: 0x%08lx num: %-8lu", | |
421 | dysymtab->tocoff, dysymtab->ntoc); | |
422 | printf (" (endoff: 0x%08lx)\n", | |
423 | dysymtab->tocoff + dysymtab->ntoc * BFD_MACH_O_TABLE_OF_CONTENT_SIZE); | |
424 | printf (" module table: off: 0x%08lx num: %-8lu", | |
425 | dysymtab->modtaboff, dysymtab->nmodtab); | |
426 | printf (" (endoff: 0x%08lx)\n", | |
427 | dysymtab->modtaboff + dysymtab->nmodtab | |
428 | * (mdata->header.version == 2 ? | |
429 | BFD_MACH_O_DYLIB_MODULE_64_SIZE : BFD_MACH_O_DYLIB_MODULE_SIZE)); | |
430 | printf (" external reference table: off: 0x%08lx num: %-8lu", | |
431 | dysymtab->extrefsymoff, dysymtab->nextrefsyms); | |
432 | printf (" (endoff: 0x%08lx)\n", | |
433 | dysymtab->extrefsymoff | |
434 | + dysymtab->nextrefsyms * BFD_MACH_O_REFERENCE_SIZE); | |
435 | printf (" indirect symbol table: off: 0x%08lx num: %-8lu", | |
436 | dysymtab->indirectsymoff, dysymtab->nindirectsyms); | |
437 | printf (" (endoff: 0x%08lx)\n", | |
438 | dysymtab->indirectsymoff | |
439 | + dysymtab->nindirectsyms * BFD_MACH_O_INDIRECT_SYMBOL_SIZE); | |
440 | printf (" external relocation table: off: 0x%08lx num: %-8lu", | |
441 | dysymtab->extreloff, dysymtab->nextrel); | |
442 | printf (" (endoff: 0x%08lx)\n", | |
443 | dysymtab->extreloff + dysymtab->nextrel * BFD_MACH_O_RELENT_SIZE); | |
444 | printf (" local relocation table: off: 0x%08lx num: %-8lu", | |
445 | dysymtab->locreloff, dysymtab->nlocrel); | |
446 | printf (" (endoff: 0x%08lx)\n", | |
447 | dysymtab->locreloff + dysymtab->nlocrel * BFD_MACH_O_RELENT_SIZE); | |
448 | ||
449 | if (!verbose) | |
450 | return; | |
451 | ||
452 | if (dysymtab->ntoc > 0 | |
453 | || dysymtab->nindirectsyms > 0 | |
454 | || dysymtab->nextrefsyms > 0) | |
455 | { | |
456 | /* Try to read the symbols to display the toc or indirect symbols. */ | |
457 | bfd_mach_o_read_symtab_symbols (abfd); | |
458 | } | |
459 | else if (dysymtab->nmodtab > 0) | |
460 | { | |
461 | /* Try to read the strtab to display modules name. */ | |
462 | bfd_mach_o_read_symtab_strtab (abfd); | |
463 | } | |
464 | ||
465 | for (i = 0; i < dysymtab->nmodtab; i++) | |
466 | { | |
467 | bfd_mach_o_dylib_module *module = &dysymtab->dylib_module[i]; | |
468 | printf (" module %u:\n", i); | |
469 | printf (" name: %lu", module->module_name_idx); | |
470 | if (mdata->symtab && mdata->symtab->strtab) | |
471 | printf (": %s", | |
472 | mdata->symtab->strtab + module->module_name_idx); | |
473 | printf ("\n"); | |
474 | printf (" extdefsym: idx: %8lu num: %lu\n", | |
475 | module->iextdefsym, module->nextdefsym); | |
476 | printf (" refsym: idx: %8lu num: %lu\n", | |
477 | module->irefsym, module->nrefsym); | |
478 | printf (" localsym: idx: %8lu num: %lu\n", | |
479 | module->ilocalsym, module->nlocalsym); | |
480 | printf (" extrel: idx: %8lu num: %lu\n", | |
481 | module->iextrel, module->nextrel); | |
482 | printf (" init: idx: %8u num: %u\n", | |
483 | module->iinit, module->ninit); | |
484 | printf (" term: idx: %8u num: %u\n", | |
485 | module->iterm, module->nterm); | |
486 | printf (" objc_module_info: addr: "); | |
487 | printf_vma (module->objc_module_info_addr); | |
488 | printf (" size: %lu\n", module->objc_module_info_size); | |
489 | } | |
490 | ||
491 | if (dysymtab->ntoc > 0) | |
492 | { | |
493 | bfd_mach_o_symtab_command *symtab = mdata->symtab; | |
494 | ||
495 | printf (" table of content: (symbol/module)\n"); | |
496 | for (i = 0; i < dysymtab->ntoc; i++) | |
497 | { | |
498 | bfd_mach_o_dylib_table_of_content *toc = &dysymtab->dylib_toc[i]; | |
499 | ||
500 | printf (" %4u: ", i); | |
501 | if (symtab && symtab->symbols && toc->symbol_index < symtab->nsyms) | |
502 | { | |
503 | const char *name = symtab->symbols[toc->symbol_index].symbol.name; | |
504 | printf ("%s (%lu)", name ? name : "*invalid*", | |
505 | toc->symbol_index); | |
506 | } | |
507 | else | |
508 | printf ("%lu", toc->symbol_index); | |
509 | ||
510 | printf (" / "); | |
511 | if (symtab && symtab->strtab | |
512 | && toc->module_index < dysymtab->nmodtab) | |
513 | { | |
514 | bfd_mach_o_dylib_module *mod; | |
515 | mod = &dysymtab->dylib_module[toc->module_index]; | |
516 | printf ("%s (%lu)", | |
517 | symtab->strtab + mod->module_name_idx, | |
518 | toc->module_index); | |
519 | } | |
520 | else | |
521 | printf ("%lu", toc->module_index); | |
522 | ||
523 | printf ("\n"); | |
524 | } | |
525 | } | |
526 | ||
527 | if (dysymtab->nindirectsyms != 0) | |
528 | { | |
529 | printf (" indirect symbols:\n"); | |
530 | ||
531 | for (i = 0; i < mdata->nsects; i++) | |
532 | { | |
533 | bfd_mach_o_section *sec = mdata->sections[i]; | |
534 | unsigned int j, first, last; | |
535 | bfd_mach_o_symtab_command *symtab = mdata->symtab; | |
536 | bfd_vma addr; | |
537 | bfd_vma entry_size; | |
538 | ||
539 | switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK) | |
540 | { | |
541 | case BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS: | |
542 | case BFD_MACH_O_S_LAZY_SYMBOL_POINTERS: | |
543 | case BFD_MACH_O_S_SYMBOL_STUBS: | |
544 | first = sec->reserved1; | |
545 | last = first + bfd_mach_o_section_get_nbr_indirect (abfd, sec); | |
546 | addr = sec->addr; | |
547 | entry_size = bfd_mach_o_section_get_entry_size (abfd, sec); | |
548 | printf (" for section %s.%s:\n", | |
549 | sec->segname, sec->sectname); | |
550 | for (j = first; j < last; j++) | |
551 | { | |
552 | unsigned int isym = dysymtab->indirect_syms[j]; | |
553 | ||
554 | printf (" "); | |
555 | printf_vma (addr); | |
556 | printf (" %5u: 0x%08x", j, isym); | |
557 | if (isym & BFD_MACH_O_INDIRECT_SYMBOL_LOCAL) | |
558 | printf (" LOCAL"); | |
559 | if (isym & BFD_MACH_O_INDIRECT_SYMBOL_ABS) | |
560 | printf (" ABSOLUTE"); | |
561 | if (symtab && symtab->symbols | |
562 | && isym < symtab->nsyms | |
563 | && symtab->symbols[isym].symbol.name) | |
564 | printf (" %s", symtab->symbols[isym].symbol.name); | |
565 | printf ("\n"); | |
566 | addr += entry_size; | |
567 | } | |
568 | break; | |
569 | default: | |
570 | break; | |
571 | } | |
572 | } | |
573 | } | |
574 | if (dysymtab->nextrefsyms > 0) | |
575 | { | |
576 | bfd_mach_o_symtab_command *symtab = mdata->symtab; | |
577 | ||
578 | printf (" external reference table: (symbol flags)\n"); | |
579 | for (i = 0; i < dysymtab->nextrefsyms; i++) | |
580 | { | |
581 | bfd_mach_o_dylib_reference *ref = &dysymtab->ext_refs[i]; | |
582 | ||
583 | printf (" %4u: %5lu 0x%02lx", i, ref->isym, ref->flags); | |
584 | if (symtab && symtab->symbols | |
585 | && ref->isym < symtab->nsyms | |
586 | && symtab->symbols[ref->isym].symbol.name) | |
587 | printf (" %s", symtab->symbols[ref->isym].symbol.name); | |
588 | printf ("\n"); | |
589 | } | |
590 | } | |
591 | ||
592 | } | |
593 | ||
594 | static void | |
595 | dump_dyld_info (bfd *abfd ATTRIBUTE_UNUSED, bfd_mach_o_load_command *cmd) | |
596 | { | |
597 | bfd_mach_o_dyld_info_command *info = &cmd->command.dyld_info; | |
598 | ||
599 | printf (" rebase: off: 0x%08x size: %-8u\n", | |
600 | info->rebase_off, info->rebase_size); | |
601 | printf (" bind: off: 0x%08x size: %-8u\n", | |
602 | info->bind_off, info->bind_size); | |
603 | printf (" weak bind: off: 0x%08x size: %-8u\n", | |
604 | info->weak_bind_off, info->weak_bind_size); | |
605 | printf (" lazy bind: off: 0x%08x size: %-8u\n", | |
606 | info->lazy_bind_off, info->lazy_bind_size); | |
607 | printf (" export: off: 0x%08x size: %-8u\n", | |
608 | info->export_off, info->export_size); | |
609 | } | |
610 | ||
611 | static void | |
612 | dump_thread (bfd *abfd, bfd_mach_o_load_command *cmd) | |
613 | { | |
614 | bfd_mach_o_thread_command *thread = &cmd->command.thread; | |
615 | unsigned int j; | |
616 | bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd); | |
617 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
618 | ||
619 | printf (" nflavours: %lu\n", thread->nflavours); | |
620 | for (j = 0; j < thread->nflavours; j++) | |
621 | { | |
622 | bfd_mach_o_thread_flavour *flavour = &thread->flavours[j]; | |
623 | const bfd_mach_o_xlat_name *name_table; | |
624 | ||
625 | printf (" %2u: flavour: 0x%08lx", j, flavour->flavour); | |
626 | switch (mdata->header.cputype) | |
627 | { | |
628 | case BFD_MACH_O_CPU_TYPE_I386: | |
629 | case BFD_MACH_O_CPU_TYPE_X86_64: | |
630 | name_table = bfd_mach_o_thread_x86_name; | |
631 | break; | |
632 | default: | |
633 | name_table = NULL; | |
634 | break; | |
635 | } | |
636 | if (name_table != NULL) | |
637 | printf (": %s", bfd_mach_o_get_name (name_table, flavour->flavour)); | |
638 | putchar ('\n'); | |
639 | ||
640 | printf (" offset: 0x%08lx size: 0x%08lx\n", | |
641 | flavour->offset, flavour->size); | |
642 | if (bed->_bfd_mach_o_print_thread) | |
643 | { | |
644 | char *buf = xmalloc (flavour->size); | |
645 | ||
2634e8c8 TG |
646 | if (bfd_seek (abfd, flavour->offset, SEEK_SET) == 0 |
647 | && bfd_bread (buf, flavour->size, abfd) == flavour->size) | |
12fa714f | 648 | (*bed->_bfd_mach_o_print_thread)(abfd, flavour, stdout, buf); |
2634e8c8 | 649 | |
12fa714f TG |
650 | free (buf); |
651 | } | |
652 | } | |
653 | } | |
654 | ||
2634e8c8 TG |
655 | static const bfd_mach_o_xlat_name bfd_mach_o_cs_magic[] = |
656 | { | |
657 | { "embedded signature", BFD_MACH_O_CS_MAGIC_EMBEDDED_SIGNATURE }, | |
658 | { "requirement", BFD_MACH_O_CS_MAGIC_REQUIREMENT }, | |
659 | { "requirements", BFD_MACH_O_CS_MAGIC_REQUIREMENTS }, | |
660 | { "code directory", BFD_MACH_O_CS_MAGIC_CODEDIRECTORY }, | |
661 | { "embedded entitlements", BFD_MACH_O_CS_MAGIC_EMBEDDED_ENTITLEMENTS }, | |
662 | { "blob wrapper", BFD_MACH_O_CS_MAGIC_BLOB_WRAPPER }, | |
663 | { NULL, 0 } | |
664 | }; | |
665 | ||
666 | static const bfd_mach_o_xlat_name bfd_mach_o_cs_hash_type[] = | |
667 | { | |
668 | { "no-hash", BFD_MACH_O_CS_NO_HASH }, | |
669 | { "sha1", BFD_MACH_O_CS_HASH_SHA1 }, | |
670 | { "sha256", BFD_MACH_O_CS_HASH_SHA256 }, | |
671 | { "skein 160", BFD_MACH_O_CS_HASH_PRESTANDARD_SKEIN_160x256 }, | |
672 | { "skein 256", BFD_MACH_O_CS_HASH_PRESTANDARD_SKEIN_256x512 }, | |
673 | { NULL, 0 } | |
674 | }; | |
675 | ||
676 | static unsigned int | |
677 | dump_code_signature_blob (bfd *abfd, const unsigned char *buf, unsigned int len); | |
678 | ||
679 | static void | |
680 | dump_code_signature_superblob (bfd *abfd ATTRIBUTE_UNUSED, | |
681 | const unsigned char *buf, unsigned int len) | |
682 | { | |
683 | unsigned int count; | |
684 | unsigned int i; | |
685 | ||
686 | if (len < 12) | |
687 | { | |
688 | printf (_(" [bad block length]\n")); | |
689 | return; | |
690 | } | |
691 | count = bfd_getb32 (buf + 8); | |
692 | printf (_(" %u index entries:\n"), count); | |
693 | if (len < 12 + 8 * count) | |
694 | { | |
695 | printf (_(" [bad block length]\n")); | |
696 | return; | |
697 | } | |
698 | for (i = 0; i < count; i++) | |
699 | { | |
700 | unsigned int type; | |
701 | unsigned int off; | |
702 | ||
703 | type = bfd_getb32 (buf + 12 + 8 * i); | |
704 | off = bfd_getb32 (buf + 12 + 8 * i + 4); | |
705 | printf (_(" index entry %u: type: %08x, offset: %08x\n"), | |
706 | i, type, off); | |
707 | ||
708 | dump_code_signature_blob (abfd, buf + off, len - off); | |
709 | } | |
710 | } | |
711 | ||
712 | static void | |
713 | swap_code_codedirectory_v1_in | |
714 | (const struct mach_o_codesign_codedirectory_external_v1 *src, | |
715 | struct mach_o_codesign_codedirectory_v1 *dst) | |
716 | { | |
717 | dst->version = bfd_getb32 (src->version); | |
718 | dst->flags = bfd_getb32 (src->flags); | |
719 | dst->hash_offset = bfd_getb32 (src->hash_offset); | |
720 | dst->ident_offset = bfd_getb32 (src->ident_offset); | |
721 | dst->nbr_special_slots = bfd_getb32 (src->nbr_special_slots); | |
722 | dst->nbr_code_slots = bfd_getb32 (src->nbr_code_slots); | |
723 | dst->code_limit = bfd_getb32 (src->code_limit); | |
724 | dst->hash_size = src->hash_size[0]; | |
725 | dst->hash_type = src->hash_type[0]; | |
726 | dst->spare1 = src->spare1[0]; | |
727 | dst->page_size = src->page_size[0]; | |
728 | dst->spare2 = bfd_getb32 (src->spare2); | |
729 | } | |
730 | ||
731 | static void | |
732 | hexdump (unsigned int start, unsigned int len, | |
733 | const unsigned char *buf) | |
734 | { | |
735 | unsigned int i, j; | |
736 | ||
737 | for (i = 0; i < len; i += 16) | |
738 | { | |
739 | printf ("%08x:", start + i); | |
740 | for (j = 0; j < 16; j++) | |
741 | { | |
742 | fputc (j == 8 ? '-' : ' ', stdout); | |
743 | if (i + j < len) | |
744 | printf ("%02x", buf[i + j]); | |
745 | else | |
746 | fputs (" ", stdout); | |
747 | } | |
748 | fputc (' ', stdout); | |
749 | for (j = 0; j < 16; j++) | |
750 | { | |
751 | if (i + j < len) | |
752 | fputc (ISPRINT (buf[i + j]) ? buf[i + j] : '.', stdout); | |
753 | else | |
754 | fputc (' ', stdout); | |
755 | } | |
756 | fputc ('\n', stdout); | |
757 | } | |
758 | } | |
759 | ||
760 | static void | |
761 | dump_code_signature_codedirectory (bfd *abfd ATTRIBUTE_UNUSED, | |
762 | const unsigned char *buf, unsigned int len) | |
763 | { | |
764 | struct mach_o_codesign_codedirectory_v1 cd; | |
765 | const char *id; | |
766 | ||
767 | if (len < sizeof (struct mach_o_codesign_codedirectory_external_v1)) | |
768 | { | |
769 | printf (_(" [bad block length]\n")); | |
770 | return; | |
771 | } | |
772 | ||
773 | swap_code_codedirectory_v1_in | |
774 | ((const struct mach_o_codesign_codedirectory_external_v1 *) (buf + 8), &cd); | |
775 | ||
776 | printf (_(" version: %08x\n"), cd.version); | |
777 | printf (_(" flags: %08x\n"), cd.flags); | |
778 | printf (_(" hash offset: %08x\n"), cd.hash_offset); | |
779 | id = (const char *) buf + cd.ident_offset; | |
780 | printf (_(" ident offset: %08x (- %08x)\n"), | |
781 | cd.ident_offset, cd.ident_offset + (unsigned) strlen (id) + 1); | |
782 | printf (_(" identity: %s\n"), id); | |
783 | printf (_(" nbr special slots: %08x (at offset %08x)\n"), | |
784 | cd.nbr_special_slots, | |
785 | cd.hash_offset - cd.nbr_special_slots * cd.hash_size); | |
786 | printf (_(" nbr code slots: %08x\n"), cd.nbr_code_slots); | |
787 | printf (_(" code limit: %08x\n"), cd.code_limit); | |
788 | printf (_(" hash size: %02x\n"), cd.hash_size); | |
789 | printf (_(" hash type: %02x (%s)\n"), | |
790 | cd.hash_type, | |
791 | bfd_mach_o_get_name (bfd_mach_o_cs_hash_type, cd.hash_type)); | |
792 | printf (_(" spare1: %02x\n"), cd.spare1); | |
793 | printf (_(" page size: %02x\n"), cd.page_size); | |
794 | printf (_(" spare2: %08x\n"), cd.spare2); | |
795 | if (cd.version >= 0x20100) | |
796 | printf (_(" scatter offset: %08x\n"), | |
797 | (unsigned) bfd_getb32 (buf + 44)); | |
798 | } | |
799 | ||
800 | static unsigned int | |
801 | dump_code_signature_blob (bfd *abfd, const unsigned char *buf, unsigned int len) | |
802 | { | |
803 | unsigned int magic; | |
804 | unsigned int length; | |
805 | ||
806 | if (len < 8) | |
807 | { | |
808 | printf (_(" [truncated block]\n")); | |
809 | return 0; | |
810 | } | |
811 | magic = bfd_getb32 (buf); | |
812 | length = bfd_getb32 (buf + 4); | |
813 | if (magic == 0 || length == 0) | |
814 | return 0; | |
815 | ||
816 | printf (_(" magic : %08x (%s)\n"), magic, | |
817 | bfd_mach_o_get_name (bfd_mach_o_cs_magic, magic)); | |
818 | printf (_(" length: %08x\n"), length); | |
819 | if (length > len) | |
820 | { | |
821 | printf (_(" [bad block length]\n")); | |
822 | return 0; | |
823 | } | |
824 | ||
825 | switch (magic) | |
826 | { | |
827 | case BFD_MACH_O_CS_MAGIC_EMBEDDED_SIGNATURE: | |
828 | dump_code_signature_superblob (abfd, buf, length); | |
829 | break; | |
830 | case BFD_MACH_O_CS_MAGIC_CODEDIRECTORY: | |
831 | dump_code_signature_codedirectory (abfd, buf, length); | |
832 | break; | |
833 | default: | |
834 | hexdump (0, length - 8, buf + 8); | |
835 | break; | |
836 | } | |
837 | return length; | |
838 | } | |
839 | ||
840 | static void | |
841 | dump_code_signature (bfd *abfd, bfd_mach_o_linkedit_command *cmd) | |
842 | { | |
843 | unsigned char *buf = xmalloc (cmd->datasize); | |
844 | unsigned int off; | |
845 | ||
846 | if (bfd_seek (abfd, cmd->dataoff, SEEK_SET) != 0 | |
847 | || bfd_bread (buf, cmd->datasize, abfd) != cmd->datasize) | |
848 | { | |
849 | non_fatal (_("cannot read code signature data")); | |
850 | free (buf); | |
851 | return; | |
852 | } | |
853 | for (off = 0; off < cmd->datasize;) | |
854 | { | |
855 | unsigned int len; | |
856 | ||
857 | len = dump_code_signature_blob (abfd, buf + off, cmd->datasize - off); | |
858 | ||
859 | if (len == 0) | |
860 | break; | |
861 | off += len; | |
862 | } | |
863 | free (buf); | |
864 | } | |
865 | ||
2128eb39 TG |
866 | static void |
867 | dump_segment_split_info (bfd *abfd, bfd_mach_o_linkedit_command *cmd) | |
868 | { | |
869 | unsigned char *buf = xmalloc (cmd->datasize); | |
870 | unsigned char *p; | |
871 | unsigned int len; | |
872 | bfd_vma addr = 0; | |
873 | ||
874 | if (bfd_seek (abfd, cmd->dataoff, SEEK_SET) != 0 | |
875 | || bfd_bread (buf, cmd->datasize, abfd) != cmd->datasize) | |
876 | { | |
877 | non_fatal (_("cannot read segment split info")); | |
878 | free (buf); | |
879 | return; | |
880 | } | |
881 | if (buf[cmd->datasize - 1] != 0) | |
882 | { | |
883 | non_fatal (_("segment split info is not nul terminated")); | |
884 | free (buf); | |
885 | return; | |
886 | } | |
887 | ||
888 | switch (buf[0]) | |
889 | { | |
890 | case 0: | |
891 | printf (_(" 32 bit pointers:\n")); | |
892 | break; | |
893 | case 1: | |
894 | printf (_(" 64 bit pointers:\n")); | |
895 | break; | |
896 | case 2: | |
897 | printf (_(" PPC hi-16:\n")); | |
898 | break; | |
899 | default: | |
900 | printf (_(" Unhandled location type %u\n"), buf[0]); | |
901 | break; | |
902 | } | |
903 | for (p = buf + 1; *p != 0; p += len) | |
904 | { | |
905 | addr += read_unsigned_leb128 (abfd, p, &len); | |
906 | fputs (" ", stdout); | |
907 | bfd_printf_vma (abfd, addr); | |
908 | putchar ('\n'); | |
909 | } | |
910 | free (buf); | |
911 | } | |
912 | ||
12fa714f TG |
913 | static void |
914 | dump_load_command (bfd *abfd, bfd_mach_o_load_command *cmd, | |
915 | bfd_boolean verbose) | |
916 | { | |
917 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
918 | const char *cmd_name; | |
919 | ||
920 | cmd_name = bfd_mach_o_get_name_or_null | |
921 | (bfd_mach_o_load_command_name, cmd->type); | |
922 | printf ("Load command "); | |
923 | if (cmd_name == NULL) | |
924 | printf ("0x%02x:", cmd->type); | |
925 | else | |
926 | printf ("%s:", cmd_name); | |
927 | ||
928 | switch (cmd->type) | |
929 | { | |
930 | case BFD_MACH_O_LC_SEGMENT: | |
931 | case BFD_MACH_O_LC_SEGMENT_64: | |
932 | dump_segment (abfd, cmd); | |
933 | break; | |
934 | case BFD_MACH_O_LC_UUID: | |
935 | { | |
936 | bfd_mach_o_uuid_command *uuid = &cmd->command.uuid; | |
937 | unsigned int j; | |
938 | ||
939 | for (j = 0; j < sizeof (uuid->uuid); j ++) | |
940 | printf (" %02x", uuid->uuid[j]); | |
941 | putchar ('\n'); | |
942 | } | |
943 | break; | |
944 | case BFD_MACH_O_LC_LOAD_DYLIB: | |
fbe383b9 | 945 | case BFD_MACH_O_LC_LAZY_LOAD_DYLIB: |
12fa714f TG |
946 | case BFD_MACH_O_LC_LOAD_WEAK_DYLIB: |
947 | case BFD_MACH_O_LC_REEXPORT_DYLIB: | |
948 | case BFD_MACH_O_LC_ID_DYLIB: | |
949 | case BFD_MACH_O_LC_LOAD_UPWARD_DYLIB: | |
950 | { | |
951 | bfd_mach_o_dylib_command *dylib = &cmd->command.dylib; | |
952 | printf (" %s\n", dylib->name_str); | |
953 | printf (" time stamp: 0x%08lx\n", | |
954 | dylib->timestamp); | |
955 | printf (" current version: 0x%08lx\n", | |
956 | dylib->current_version); | |
957 | printf (" comptibility version: 0x%08lx\n", | |
958 | dylib->compatibility_version); | |
12fa714f | 959 | } |
9f4a5bd1 | 960 | break; |
12fa714f TG |
961 | case BFD_MACH_O_LC_LOAD_DYLINKER: |
962 | case BFD_MACH_O_LC_ID_DYLINKER: | |
963 | printf (" %s\n", cmd->command.dylinker.name_str); | |
964 | break; | |
965 | case BFD_MACH_O_LC_SYMTAB: | |
966 | { | |
967 | bfd_mach_o_symtab_command *symtab = &cmd->command.symtab; | |
968 | printf ("\n" | |
969 | " symoff: 0x%08x nsyms: %8u (endoff: 0x%08x)\n", | |
970 | symtab->symoff, symtab->nsyms, | |
971 | symtab->symoff + symtab->nsyms | |
972 | * (mdata->header.version == 2 | |
973 | ? BFD_MACH_O_NLIST_64_SIZE : BFD_MACH_O_NLIST_SIZE)); | |
974 | printf (" stroff: 0x%08x strsize: %8u (endoff: 0x%08x)\n", | |
975 | symtab->stroff, symtab->strsize, | |
976 | symtab->stroff + symtab->strsize); | |
977 | break; | |
978 | } | |
979 | case BFD_MACH_O_LC_DYSYMTAB: | |
980 | putchar ('\n'); | |
981 | dump_dysymtab (abfd, cmd, verbose); | |
982 | break; | |
9f4a5bd1 TG |
983 | case BFD_MACH_O_LC_LOADFVMLIB: |
984 | case BFD_MACH_O_LC_IDFVMLIB: | |
985 | { | |
986 | bfd_mach_o_fvmlib_command *fvmlib = &cmd->command.fvmlib; | |
987 | printf (" %s\n", fvmlib->name_str); | |
988 | printf (" minor version: 0x%08x\n", fvmlib->minor_version); | |
989 | printf (" header address: 0x%08x\n", fvmlib->header_addr); | |
990 | } | |
991 | break; | |
12fa714f TG |
992 | case BFD_MACH_O_LC_CODE_SIGNATURE: |
993 | case BFD_MACH_O_LC_SEGMENT_SPLIT_INFO: | |
994 | case BFD_MACH_O_LC_FUNCTION_STARTS: | |
995 | { | |
996 | bfd_mach_o_linkedit_command *linkedit = &cmd->command.linkedit; | |
997 | printf | |
998 | ("\n" | |
999 | " dataoff: 0x%08lx datasize: 0x%08lx (endoff: 0x%08lx)\n", | |
1000 | linkedit->dataoff, linkedit->datasize, | |
1001 | linkedit->dataoff + linkedit->datasize); | |
2634e8c8 TG |
1002 | |
1003 | if (verbose && cmd->type == BFD_MACH_O_LC_CODE_SIGNATURE) | |
1004 | dump_code_signature (abfd, linkedit); | |
2128eb39 TG |
1005 | else if (verbose && cmd->type == BFD_MACH_O_LC_SEGMENT_SPLIT_INFO) |
1006 | dump_segment_split_info (abfd, linkedit); | |
12fa714f TG |
1007 | break; |
1008 | } | |
1009 | case BFD_MACH_O_LC_SUB_FRAMEWORK: | |
1010 | case BFD_MACH_O_LC_SUB_UMBRELLA: | |
1011 | case BFD_MACH_O_LC_SUB_LIBRARY: | |
1012 | case BFD_MACH_O_LC_SUB_CLIENT: | |
1013 | case BFD_MACH_O_LC_RPATH: | |
1014 | { | |
1015 | bfd_mach_o_str_command *str = &cmd->command.str; | |
1016 | printf (" %s\n", str->str); | |
1017 | break; | |
1018 | } | |
1019 | case BFD_MACH_O_LC_THREAD: | |
1020 | case BFD_MACH_O_LC_UNIXTHREAD: | |
1021 | dump_thread (abfd, cmd); | |
1022 | break; | |
fc55a902 TG |
1023 | case BFD_MACH_O_LC_ENCRYPTION_INFO: |
1024 | { | |
1025 | bfd_mach_o_encryption_info_command *cryp = | |
1026 | &cmd->command.encryption_info; | |
1027 | printf | |
1028 | ("\n" | |
1029 | " cryptoff: 0x%08x cryptsize: 0x%08x (endoff 0x%08x)" | |
1030 | " cryptid: %u\n", | |
1031 | cryp->cryptoff, cryp->cryptsize, | |
1032 | cryp->cryptoff + cryp->cryptsize, | |
1033 | cryp->cryptid); | |
1034 | } | |
1035 | break; | |
12fa714f TG |
1036 | case BFD_MACH_O_LC_DYLD_INFO: |
1037 | putchar ('\n'); | |
1038 | dump_dyld_info (abfd, cmd); | |
1039 | break; | |
1040 | case BFD_MACH_O_LC_VERSION_MIN_MACOSX: | |
1041 | case BFD_MACH_O_LC_VERSION_MIN_IPHONEOS: | |
1042 | { | |
1043 | bfd_mach_o_version_min_command *ver = &cmd->command.version_min; | |
1044 | ||
1045 | printf (" %u.%u.%u\n", ver->rel, ver->maj, ver->min); | |
1046 | } | |
1047 | break; | |
1778ad74 TG |
1048 | case BFD_MACH_O_LC_SOURCE_VERSION: |
1049 | { | |
1050 | bfd_mach_o_source_version_command *version = | |
1051 | &cmd->command.source_version; | |
1052 | printf ("\n" | |
1053 | " version a.b.c.d.e: %u.%u.%u.%u.%u\n", | |
1054 | version->a, version->b, version->c, version->d, version->e); | |
1055 | break; | |
1056 | } | |
1057 | case BFD_MACH_O_LC_MAIN: | |
1058 | { | |
1059 | bfd_mach_o_main_command *entry = &cmd->command.main; | |
1060 | printf ("\n" | |
1061 | " entry offset: "); | |
1062 | printf_vma (entry->entryoff); | |
1063 | printf ("\n" | |
1064 | " stack size: "); | |
1065 | printf_vma (entry->stacksize); | |
1066 | printf ("\n"); | |
1067 | break; | |
1068 | } | |
12fa714f TG |
1069 | default: |
1070 | putchar ('\n'); | |
1071 | printf (" offset: 0x%08lx\n", (unsigned long)cmd->offset); | |
1072 | printf (" size: 0x%08lx\n", (unsigned long)cmd->len); | |
1073 | break; | |
1074 | } | |
1075 | putchar ('\n'); | |
1076 | } | |
1077 | ||
1078 | static void | |
1079 | dump_load_commands (bfd *abfd, unsigned int cmd32, unsigned int cmd64) | |
1080 | { | |
1081 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
1082 | unsigned int i; | |
1083 | ||
1084 | for (i = 0; i < mdata->header.ncmds; i++) | |
1085 | { | |
1086 | bfd_mach_o_load_command *cmd = &mdata->commands[i]; | |
1087 | ||
1088 | if (cmd32 == 0) | |
1089 | dump_load_command (abfd, cmd, FALSE); | |
1090 | else if (cmd->type == cmd32 || cmd->type == cmd64) | |
1091 | dump_load_command (abfd, cmd, TRUE); | |
1092 | } | |
1093 | } | |
1094 | ||
167e1c1f TG |
1095 | static const char * const unwind_x86_64_regs[] = |
1096 | {"", "rbx", "r12", "r13", "r14", "r15", "rbp", "???" }; | |
1097 | ||
1098 | static const char * const unwind_x86_regs[] = | |
1099 | {"", "ebx", "ecx", "edx", "edi", "edi", "ebp", "???" }; | |
1100 | ||
1101 | /* Dump x86 or x86-64 compact unwind encoding. Works for both architecture, | |
1102 | as the encoding is the same (but not register names). */ | |
1103 | ||
1104 | static void | |
1105 | dump_unwind_encoding_x86 (unsigned int encoding, unsigned int sz, | |
1106 | const char * const regs_name[]) | |
1107 | { | |
1108 | unsigned int mode; | |
1109 | ||
1110 | mode = encoding & MACH_O_UNWIND_X86_64_MODE_MASK; | |
1111 | switch (mode) | |
1112 | { | |
1113 | case MACH_O_UNWIND_X86_64_MODE_RBP_FRAME: | |
1114 | { | |
1115 | unsigned int regs; | |
1116 | char pfx = sz == 8 ? 'R' : 'E'; | |
1117 | ||
1118 | regs = encoding & MACH_O_UNWIND_X86_64_RBP_FRAME_REGSITERS; | |
1119 | printf (" %cSP frame", pfx); | |
1120 | if (regs != 0) | |
1121 | { | |
1122 | unsigned int offset; | |
1123 | int i; | |
1124 | ||
1125 | offset = (encoding & MACH_O_UNWIND_X86_64_RBP_FRAME_OFFSET) >> 16; | |
1126 | printf (" at %cBP-%u:", pfx, offset * sz); | |
1127 | for (i = 0; i < 5; i++) | |
1128 | { | |
1129 | unsigned int reg = (regs >> (i * 3)) & 0x7; | |
1130 | if (reg != MACH_O_UNWIND_X86_64_REG_NONE) | |
1131 | printf (" %s", regs_name[reg]); | |
1132 | } | |
1133 | } | |
1134 | } | |
1135 | break; | |
1136 | case MACH_O_UNWIND_X86_64_MODE_STACK_IMMD: | |
1137 | case MACH_O_UNWIND_X86_64_MODE_STACK_IND: | |
1138 | { | |
1139 | unsigned int stack_size; | |
1140 | unsigned int reg_count; | |
1141 | unsigned int reg_perm; | |
1142 | unsigned int regs[6]; | |
1143 | int i, j; | |
1144 | ||
1145 | printf (" frameless"); | |
1146 | stack_size = | |
1147 | (encoding & MACH_O_UNWIND_X86_64_FRAMELESS_STACK_SIZE) >> 16; | |
1148 | reg_count = | |
1149 | (encoding & MACH_O_UNWIND_X86_64_FRAMELESS_REG_COUNT) >> 10; | |
1150 | reg_perm = encoding & MACH_O_UNWIND_X86_64_FRAMELESS_REG_PERMUTATION; | |
1151 | ||
1152 | if (mode == MACH_O_UNWIND_X86_64_MODE_STACK_IMMD) | |
1153 | printf (" size: 0x%03x", stack_size * sz); | |
1154 | else | |
1155 | { | |
1156 | unsigned int stack_adj; | |
1157 | ||
1158 | stack_adj = | |
1159 | (encoding & MACH_O_UNWIND_X86_64_FRAMELESS_STACK_ADJUST) >> 13; | |
1160 | printf (" size at 0x%03x + 0x%02x", stack_size, stack_adj); | |
1161 | } | |
1162 | /* Registers are coded using arithmetic compression: the register | |
1163 | is indexed in range 0-6, the second in range 0-5, the third in | |
1164 | range 0-4, etc. Already used registers are removed in next | |
1165 | ranges. */ | |
1166 | #define DO_PERM(R, NUM) R = reg_perm / NUM; reg_perm -= R * NUM | |
1167 | switch (reg_count) | |
1168 | { | |
1169 | case 6: | |
1170 | case 5: | |
1171 | DO_PERM (regs[0], 120); | |
1172 | DO_PERM (regs[1], 24); | |
1173 | DO_PERM (regs[2], 6); | |
1174 | DO_PERM (regs[3], 2); | |
1175 | DO_PERM (regs[4], 1); | |
1176 | regs[5] = 0; /* Not used if reg_count = 5. */ | |
1177 | break; | |
1178 | case 4: | |
1179 | DO_PERM (regs[0], 60); | |
1180 | DO_PERM (regs[1], 12); | |
1181 | DO_PERM (regs[2], 3); | |
1182 | DO_PERM (regs[3], 1); | |
1183 | break; | |
1184 | case 3: | |
1185 | DO_PERM (regs[0], 20); | |
1186 | DO_PERM (regs[1], 4); | |
1187 | DO_PERM (regs[2], 1); | |
1188 | break; | |
1189 | case 2: | |
1190 | DO_PERM (regs[0], 5); | |
1191 | DO_PERM (regs[1], 1); | |
1192 | break; | |
1193 | case 1: | |
1194 | DO_PERM (regs[0], 1); | |
1195 | break; | |
1196 | case 0: | |
1197 | break; | |
1198 | default: | |
1199 | printf (" [bad reg count]"); | |
1200 | return; | |
1201 | } | |
1202 | #undef DO_PERM | |
1203 | /* Renumber. */ | |
1204 | for (i = reg_count - 1; i >= 0; i--) | |
1205 | { | |
1206 | unsigned int inc = 1; | |
1207 | for (j = 0; j < i; j++) | |
1208 | if (regs[i] >= regs[j]) | |
1209 | inc++; | |
1210 | regs[i] += inc; | |
1211 | } | |
1212 | /* Display. */ | |
1213 | for (i = 0; i < (int) reg_count; i++) | |
1214 | printf (" %s", regs_name[regs[i]]); | |
1215 | } | |
1216 | break; | |
1217 | case MACH_O_UNWIND_X86_64_MODE_DWARF: | |
1218 | printf (" Dwarf offset: 0x%06x", | |
1219 | encoding & MACH_O_UNWIND_X86_64_DWARF_SECTION_OFFSET); | |
1220 | break; | |
1221 | default: | |
1222 | printf (" [unhandled mode]"); | |
1223 | break; | |
1224 | } | |
1225 | } | |
1226 | ||
1227 | static void | |
1228 | dump_unwind_encoding (bfd_mach_o_data_struct *mdata, unsigned int encoding) | |
1229 | { | |
1230 | printf ("0x%08x", encoding); | |
1231 | if (encoding == 0) | |
1232 | return; | |
1233 | ||
1234 | switch (mdata->header.cputype) | |
1235 | { | |
1236 | case BFD_MACH_O_CPU_TYPE_X86_64: | |
1237 | dump_unwind_encoding_x86 (encoding, 8, unwind_x86_64_regs); | |
1238 | break; | |
1239 | case BFD_MACH_O_CPU_TYPE_I386: | |
1240 | dump_unwind_encoding_x86 (encoding, 4, unwind_x86_regs); | |
1241 | break; | |
1242 | default: | |
1243 | printf (" [unhandled cpu]"); | |
1244 | break; | |
1245 | } | |
1246 | if (encoding & MACH_O_UNWIND_HAS_LSDA) | |
1247 | printf (" LSDA"); | |
1248 | if (encoding & MACH_O_UNWIND_PERSONALITY_MASK) | |
1249 | printf (" PERS(%u)", | |
1250 | ((encoding & MACH_O_UNWIND_PERSONALITY_MASK) | |
1251 | >> MACH_O_UNWIND_PERSONALITY_SHIFT)); | |
1252 | } | |
1253 | ||
1254 | static void | |
1255 | dump_obj_compact_unwind (bfd *abfd, | |
1256 | const unsigned char *content, bfd_size_type size) | |
1257 | { | |
1258 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
1259 | int is_64 = mdata->header.version == 2; | |
1260 | const unsigned char *p; | |
1261 | ||
1262 | printf (" compact unwind info:\n"); | |
1263 | printf (" start length personality lsda\n"); | |
1264 | ||
1265 | if (is_64) | |
1266 | { | |
1267 | struct mach_o_compact_unwind_64 *e = | |
1268 | (struct mach_o_compact_unwind_64 *) content; | |
1269 | ||
1270 | for (p = content; p < content + size; p += sizeof (*e)) | |
1271 | { | |
1272 | e = (struct mach_o_compact_unwind_64 *) p; | |
1273 | ||
1274 | putchar (' '); | |
1275 | fprintf_vma (stdout, bfd_get_64 (abfd, e->start)); | |
1276 | printf (" %08lx", bfd_get_32 (abfd, e->length)); | |
1277 | putchar (' '); | |
1278 | fprintf_vma (stdout, bfd_get_64 (abfd, e->personnality)); | |
1279 | putchar (' '); | |
1280 | fprintf_vma (stdout, bfd_get_64 (abfd, e->lsda)); | |
1281 | putchar ('\n'); | |
1282 | ||
1283 | printf (" encoding: "); | |
1284 | dump_unwind_encoding (mdata, bfd_get_32 (abfd, e->encoding)); | |
1285 | putchar ('\n'); | |
1286 | } | |
1287 | } | |
1288 | else | |
1289 | { | |
1290 | printf ("unhandled\n"); | |
1291 | } | |
1292 | } | |
1293 | ||
1294 | static void | |
1295 | dump_exe_compact_unwind (bfd *abfd, | |
1296 | const unsigned char *content, bfd_size_type size) | |
1297 | { | |
1298 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
1299 | struct mach_o_unwind_info_header *hdr; | |
1300 | unsigned int version; | |
1301 | unsigned int encodings_offset; | |
1302 | unsigned int encodings_count; | |
1303 | unsigned int personality_offset; | |
1304 | unsigned int personality_count; | |
1305 | unsigned int index_offset; | |
1306 | unsigned int index_count; | |
1307 | struct mach_o_unwind_index_entry *index_entry; | |
1308 | unsigned int i; | |
1309 | ||
1310 | /* The header. */ | |
1311 | printf (" compact unwind info:\n"); | |
1312 | ||
1313 | hdr = (struct mach_o_unwind_info_header *) content; | |
1314 | if (size < sizeof (*hdr)) | |
1315 | { | |
1316 | printf (" truncated!\n"); | |
1317 | return; | |
1318 | } | |
1319 | ||
1320 | version = bfd_get_32 (abfd, hdr->version); | |
1321 | if (version != MACH_O_UNWIND_SECTION_VERSION) | |
1322 | { | |
1323 | printf (" unknown version: %u\n", version); | |
1324 | return; | |
1325 | } | |
1326 | encodings_offset = bfd_get_32 (abfd, hdr->encodings_array_offset); | |
1327 | encodings_count = bfd_get_32 (abfd, hdr->encodings_array_count); | |
1328 | personality_offset = bfd_get_32 (abfd, hdr->personality_array_offset); | |
1329 | personality_count = bfd_get_32 (abfd, hdr->personality_array_count); | |
1330 | index_offset = bfd_get_32 (abfd, hdr->index_offset); | |
1331 | index_count = bfd_get_32 (abfd, hdr->index_count); | |
1332 | printf (" %u encodings, %u personalities, %u level-1 indexes:\n", | |
1333 | encodings_count, personality_count, index_count); | |
1334 | ||
1335 | /* Level-1 index. */ | |
1336 | printf (" idx function level2 off lsda off\n"); | |
1337 | ||
1338 | index_entry = (struct mach_o_unwind_index_entry *) (content + index_offset); | |
1339 | for (i = 0; i < index_count; i++) | |
1340 | { | |
1341 | unsigned int func_offset; | |
1342 | unsigned int level2_offset; | |
1343 | unsigned int lsda_offset; | |
1344 | ||
1345 | func_offset = bfd_get_32 (abfd, index_entry->function_offset); | |
1346 | level2_offset = bfd_get_32 (abfd, index_entry->second_level_offset); | |
1347 | lsda_offset = bfd_get_32 (abfd, index_entry->lsda_index_offset); | |
1348 | printf (" %3u 0x%08x 0x%08x 0x%08x\n", | |
1349 | i, func_offset, level2_offset, lsda_offset); | |
1350 | index_entry++; | |
1351 | } | |
1352 | ||
1353 | /* Level-1 index. */ | |
1354 | index_entry = (struct mach_o_unwind_index_entry *) (content + index_offset); | |
1355 | for (i = 0; i < index_count; i++) | |
1356 | { | |
1357 | unsigned int func_offset; | |
1358 | unsigned int level2_offset; | |
1359 | const unsigned char *level2; | |
1360 | unsigned int kind; | |
1361 | ||
1362 | if (i == index_count - 1) | |
1363 | break; | |
1364 | ||
1365 | func_offset = bfd_get_32 (abfd, index_entry->function_offset); | |
1366 | level2_offset = bfd_get_32 (abfd, index_entry->second_level_offset); | |
1367 | ||
1368 | level2 = content + level2_offset; | |
1369 | kind = bfd_get_32 (abfd, level2); | |
1370 | switch (kind) | |
1371 | { | |
1372 | case MACH_O_UNWIND_SECOND_LEVEL_COMPRESSED: | |
1373 | { | |
1374 | struct mach_o_unwind_compressed_second_level_page_header *l2; | |
1375 | unsigned int entry_offset; | |
1376 | unsigned int entry_count; | |
1377 | unsigned int l2_encodings_offset; | |
1378 | unsigned int l2_encodings_count; | |
1379 | const unsigned char *en; | |
1380 | unsigned int j; | |
1381 | ||
1382 | l2 = (struct mach_o_unwind_compressed_second_level_page_header *) | |
1383 | level2; | |
1384 | entry_offset = bfd_get_16 (abfd, l2->entry_page_offset); | |
1385 | entry_count = bfd_get_16 (abfd, l2->entry_count); | |
1386 | l2_encodings_offset = bfd_get_16 (abfd, l2->encodings_offset); | |
1387 | l2_encodings_count = bfd_get_16 (abfd, l2->encodings_count); | |
1388 | ||
1389 | printf (" index %2u: compressed second level: " | |
1390 | "%u entries, %u encodings (at 0x%08x)\n", | |
1391 | i, entry_count, l2_encodings_count, l2_encodings_offset); | |
1392 | printf (" # function eidx encoding\n"); | |
1393 | ||
1394 | en = level2 + entry_offset; | |
1395 | for (j = 0; j < entry_count; j++) | |
1396 | { | |
1397 | unsigned int entry; | |
1398 | unsigned int en_func; | |
1399 | unsigned int enc_idx; | |
1400 | unsigned int encoding; | |
1401 | const unsigned char *enc_addr; | |
1402 | ||
1403 | entry = bfd_get_32 (abfd, en); | |
1404 | en_func = | |
1405 | MACH_O_UNWIND_INFO_COMPRESSED_ENTRY_FUNC_OFFSET (entry); | |
1406 | enc_idx = | |
1407 | MACH_O_UNWIND_INFO_COMPRESSED_ENTRY_ENCODING_INDEX (entry); | |
1408 | if (enc_idx < encodings_count) | |
1409 | enc_addr = content + encodings_offset | |
1410 | + 4 * enc_idx; | |
1411 | else | |
1412 | enc_addr = level2 + l2_encodings_offset | |
1413 | + 4 * (enc_idx - encodings_count); | |
1414 | encoding = bfd_get_32 (abfd, enc_addr); | |
1415 | ||
1416 | printf (" %-4u 0x%08x [%3u] ", j, | |
1417 | func_offset + en_func, enc_idx); | |
1418 | dump_unwind_encoding (mdata, encoding); | |
1419 | putchar ('\n'); | |
1420 | ||
1421 | en += 4; | |
1422 | } | |
1423 | } | |
1424 | break; | |
1425 | ||
1426 | case MACH_O_UNWIND_SECOND_LEVEL_REGULAR: | |
1427 | { | |
1428 | struct mach_o_unwind_regular_second_level_page_header *l2; | |
1429 | struct mach_o_unwind_regular_second_level_entry *en; | |
1430 | unsigned int entry_offset; | |
1431 | unsigned int entry_count; | |
1432 | unsigned int j; | |
1433 | ||
1434 | l2 = (struct mach_o_unwind_regular_second_level_page_header *) | |
1435 | level2; | |
1436 | ||
1437 | entry_offset = bfd_get_16 (abfd, l2->entry_page_offset); | |
1438 | entry_count = bfd_get_16 (abfd, l2->entry_count); | |
1439 | printf (" index %2u: regular level 2 at 0x%04x, %u entries\n", | |
1440 | i, entry_offset, entry_count); | |
1441 | printf (" # function encoding\n"); | |
1442 | ||
1443 | en = (struct mach_o_unwind_regular_second_level_entry *) | |
1444 | (level2 + entry_offset); | |
1445 | for (j = 0; j < entry_count; j++) | |
1446 | { | |
1447 | unsigned int en_func; | |
1448 | unsigned int encoding; | |
1449 | ||
1450 | en_func = bfd_get_32 (abfd, en->function_offset); | |
1451 | encoding = bfd_get_32 (abfd, en->encoding); | |
1452 | printf (" %-4u 0x%08x ", j, en_func); | |
1453 | dump_unwind_encoding (mdata, encoding); | |
1454 | putchar ('\n'); | |
1455 | en++; | |
1456 | } | |
1457 | } | |
1458 | break; | |
1459 | ||
1460 | default: | |
1461 | printf (" index %2u: unhandled second level format (%u)\n", | |
1462 | i, kind); | |
1463 | break; | |
1464 | } | |
1465 | ||
1466 | { | |
1467 | struct mach_o_unwind_lsda_index_entry *lsda; | |
1468 | unsigned int lsda_offset; | |
1469 | unsigned int next_lsda_offset; | |
1470 | unsigned int nbr_lsda; | |
1471 | unsigned int j; | |
1472 | ||
1473 | lsda_offset = bfd_get_32 (abfd, index_entry->lsda_index_offset); | |
1474 | next_lsda_offset = bfd_get_32 (abfd, index_entry[1].lsda_index_offset); | |
1475 | lsda = (struct mach_o_unwind_lsda_index_entry *) | |
1476 | (content + lsda_offset); | |
1477 | nbr_lsda = (next_lsda_offset - lsda_offset) / sizeof (*lsda); | |
1478 | for (j = 0; j < nbr_lsda; j++) | |
1479 | { | |
1480 | printf (" lsda %-3u: function 0x%08x lsda 0x%08x\n", | |
1481 | j, (unsigned int) bfd_get_32 (abfd, lsda->function_offset), | |
1482 | (unsigned int) bfd_get_32 (abfd, lsda->lsda_offset)); | |
1483 | lsda++; | |
1484 | } | |
1485 | } | |
1486 | index_entry++; | |
1487 | } | |
1488 | } | |
1489 | ||
1490 | static void | |
1491 | dump_section_content (bfd *abfd, | |
1492 | const char *segname, const char *sectname, | |
1493 | void (*dump)(bfd*, const unsigned char*, bfd_size_type)) | |
1494 | { | |
1495 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
1496 | unsigned int i; | |
1497 | ||
1498 | for (i = 0; i < mdata->header.ncmds; i++) | |
1499 | { | |
1500 | bfd_mach_o_load_command *cmd = &mdata->commands[i]; | |
1501 | if (cmd->type == BFD_MACH_O_LC_SEGMENT | |
1502 | || cmd->type == BFD_MACH_O_LC_SEGMENT_64) | |
1503 | { | |
1504 | bfd_mach_o_segment_command *seg = &cmd->command.segment; | |
1505 | bfd_mach_o_section *sec; | |
1506 | for (sec = seg->sect_head; sec != NULL; sec = sec->next) | |
1507 | if (strcmp (sec->segname, segname) == 0 | |
1508 | && strcmp (sec->sectname, sectname) == 0) | |
1509 | { | |
1510 | bfd_size_type size; | |
1511 | asection *bfdsec = sec->bfdsection; | |
1512 | unsigned char *content; | |
1513 | ||
1514 | size = bfd_get_section_size (bfdsec); | |
1515 | content = (unsigned char *) xmalloc (size); | |
1516 | bfd_get_section_contents (abfd, bfdsec, content, 0, size); | |
1517 | ||
1518 | (*dump)(abfd, content, size); | |
1519 | ||
1520 | free (content); | |
1521 | } | |
1522 | } | |
1523 | } | |
1524 | } | |
1525 | ||
12fa714f TG |
1526 | /* Dump ABFD (according to the options[] array). */ |
1527 | ||
1528 | static void | |
1529 | mach_o_dump (bfd *abfd) | |
1530 | { | |
1531 | if (options[OPT_HEADER].selected) | |
1532 | dump_header (abfd); | |
1533 | if (options[OPT_SECTION].selected) | |
1534 | dump_load_commands (abfd, BFD_MACH_O_LC_SEGMENT, BFD_MACH_O_LC_SEGMENT_64); | |
1535 | if (options[OPT_MAP].selected) | |
1536 | dump_section_map (abfd); | |
1537 | if (options[OPT_LOAD].selected) | |
1538 | dump_load_commands (abfd, 0, 0); | |
1539 | if (options[OPT_DYSYMTAB].selected) | |
1540 | dump_load_commands (abfd, BFD_MACH_O_LC_DYSYMTAB, 0); | |
2634e8c8 TG |
1541 | if (options[OPT_CODESIGN].selected) |
1542 | dump_load_commands (abfd, BFD_MACH_O_LC_CODE_SIGNATURE, 0); | |
2128eb39 TG |
1543 | if (options[OPT_SEG_SPLIT_INFO].selected) |
1544 | dump_load_commands (abfd, BFD_MACH_O_LC_SEGMENT_SPLIT_INFO, 0); | |
167e1c1f TG |
1545 | if (options[OPT_COMPACT_UNWIND].selected) |
1546 | { | |
1547 | dump_section_content (abfd, "__LD", "__compact_unwind", | |
1548 | dump_obj_compact_unwind); | |
1549 | dump_section_content (abfd, "__TEXT", "__unwind_info", | |
1550 | dump_exe_compact_unwind); | |
1551 | } | |
12fa714f TG |
1552 | } |
1553 | ||
1554 | /* Vector for Mach-O. */ | |
1555 | ||
1556 | const struct objdump_private_desc objdump_private_desc_mach_o = | |
1557 | { | |
1558 | mach_o_help, | |
1559 | mach_o_filter, | |
1560 | mach_o_dump, | |
1561 | options | |
1562 | }; |