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12fa714f | 1 | /* od-macho.c -- dump information about an Mach-O object file. |
d87bef3a | 2 | Copyright (C) 2011-2023 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 | 25 | #include "safe-ctype.h" |
b6456e91 | 26 | #include "libiberty.h" |
12fa714f TG |
27 | #include "bfd.h" |
28 | #include "objdump.h" | |
29 | #include "bucomm.h" | |
5ad87552 | 30 | #include "elfcomm.h" |
16412c3b | 31 | #include "dwarf.h" |
12fa714f TG |
32 | #include "bfdlink.h" |
33 | #include "mach-o.h" | |
34 | #include "mach-o/external.h" | |
2634e8c8 | 35 | #include "mach-o/codesign.h" |
167e1c1f | 36 | #include "mach-o/unwind.h" |
12fa714f TG |
37 | |
38 | /* Index of the options in the options[] array. */ | |
39 | #define OPT_HEADER 0 | |
40 | #define OPT_SECTION 1 | |
41 | #define OPT_MAP 2 | |
42 | #define OPT_LOAD 3 | |
43 | #define OPT_DYSYMTAB 4 | |
2634e8c8 | 44 | #define OPT_CODESIGN 5 |
2128eb39 | 45 | #define OPT_SEG_SPLIT_INFO 6 |
167e1c1f | 46 | #define OPT_COMPACT_UNWIND 7 |
3cc27770 | 47 | #define OPT_FUNCTION_STARTS 8 |
c275b681 | 48 | #define OPT_DATA_IN_CODE 9 |
7a79c514 | 49 | #define OPT_TWOLEVEL_HINTS 10 |
e89d3dee | 50 | #define OPT_DYLD_INFO 11 |
12fa714f TG |
51 | |
52 | /* List of actions. */ | |
53 | static struct objdump_private_option options[] = | |
54 | { | |
55 | { "header", 0 }, | |
56 | { "section", 0 }, | |
57 | { "map", 0 }, | |
58 | { "load", 0 }, | |
59 | { "dysymtab", 0 }, | |
2634e8c8 | 60 | { "codesign", 0 }, |
2128eb39 | 61 | { "seg_split_info", 0 }, |
167e1c1f | 62 | { "compact_unwind", 0 }, |
3cc27770 | 63 | { "function_starts", 0 }, |
c275b681 | 64 | { "data_in_code", 0 }, |
7a79c514 | 65 | { "twolevel_hints", 0 }, |
e89d3dee | 66 | { "dyld_info", 0 }, |
12fa714f TG |
67 | { NULL, 0 } |
68 | }; | |
69 | ||
70 | /* Display help. */ | |
71 | ||
72 | static void | |
73 | mach_o_help (FILE *stream) | |
74 | { | |
75 | fprintf (stream, _("\ | |
76 | For Mach-O files:\n\ | |
3cc27770 TG |
77 | header Display the file header\n\ |
78 | section Display the segments and sections commands\n\ | |
79 | map Display the section map\n\ | |
80 | load Display the load commands\n\ | |
81 | dysymtab Display the dynamic symbol table\n\ | |
82 | codesign Display code signature\n\ | |
83 | seg_split_info Display segment split info\n\ | |
84 | compact_unwind Display compact unwinding info\n\ | |
85 | function_starts Display start address of functions\n\ | |
c275b681 | 86 | data_in_code Display data in code entries\n\ |
7a79c514 | 87 | twolevel_hints Display the two-level namespace lookup hints table\n\ |
e89d3dee | 88 | dyld_info Display dyld information\n\ |
12fa714f TG |
89 | ")); |
90 | } | |
91 | ||
92 | /* Return TRUE if ABFD is handled. */ | |
93 | ||
94 | static int | |
95 | mach_o_filter (bfd *abfd) | |
96 | { | |
97 | return bfd_get_flavour (abfd) == bfd_target_mach_o_flavour; | |
98 | } | |
99 | \f | |
100 | static const bfd_mach_o_xlat_name bfd_mach_o_cpu_name[] = | |
101 | { | |
102 | { "vax", BFD_MACH_O_CPU_TYPE_VAX }, | |
103 | { "mc680x0", BFD_MACH_O_CPU_TYPE_MC680x0 }, | |
104 | { "i386", BFD_MACH_O_CPU_TYPE_I386 }, | |
105 | { "mips", BFD_MACH_O_CPU_TYPE_MIPS }, | |
106 | { "mc98000", BFD_MACH_O_CPU_TYPE_MC98000 }, | |
107 | { "hppa", BFD_MACH_O_CPU_TYPE_HPPA }, | |
108 | { "arm", BFD_MACH_O_CPU_TYPE_ARM }, | |
109 | { "mc88000", BFD_MACH_O_CPU_TYPE_MC88000 }, | |
110 | { "sparc", BFD_MACH_O_CPU_TYPE_SPARC }, | |
12fa714f TG |
111 | { "alpha", BFD_MACH_O_CPU_TYPE_ALPHA }, |
112 | { "powerpc", BFD_MACH_O_CPU_TYPE_POWERPC }, | |
113 | { "powerpc_64", BFD_MACH_O_CPU_TYPE_POWERPC_64 }, | |
114 | { "x86_64", BFD_MACH_O_CPU_TYPE_X86_64 }, | |
d8028530 | 115 | { "arm64", BFD_MACH_O_CPU_TYPE_ARM64 }, |
12fa714f TG |
116 | { NULL, 0} |
117 | }; | |
118 | ||
119 | static const bfd_mach_o_xlat_name bfd_mach_o_filetype_name[] = | |
120 | { | |
121 | { "object", BFD_MACH_O_MH_OBJECT }, | |
122 | { "execute", BFD_MACH_O_MH_EXECUTE }, | |
123 | { "fvmlib", BFD_MACH_O_MH_FVMLIB }, | |
124 | { "core", BFD_MACH_O_MH_CORE }, | |
125 | { "preload", BFD_MACH_O_MH_PRELOAD }, | |
126 | { "dylib", BFD_MACH_O_MH_DYLIB }, | |
127 | { "dylinker", BFD_MACH_O_MH_DYLINKER }, | |
128 | { "bundle", BFD_MACH_O_MH_BUNDLE }, | |
129 | { "dylib_stub", BFD_MACH_O_MH_DYLIB_STUB }, | |
130 | { "dym", BFD_MACH_O_MH_DSYM }, | |
131 | { "kext_bundle", BFD_MACH_O_MH_KEXT_BUNDLE }, | |
132 | { NULL, 0} | |
133 | }; | |
134 | ||
135 | static const bfd_mach_o_xlat_name bfd_mach_o_header_flags_name[] = | |
136 | { | |
137 | { "noundefs", BFD_MACH_O_MH_NOUNDEFS }, | |
138 | { "incrlink", BFD_MACH_O_MH_INCRLINK }, | |
139 | { "dyldlink", BFD_MACH_O_MH_DYLDLINK }, | |
140 | { "bindatload", BFD_MACH_O_MH_BINDATLOAD }, | |
141 | { "prebound", BFD_MACH_O_MH_PREBOUND }, | |
142 | { "split_segs", BFD_MACH_O_MH_SPLIT_SEGS }, | |
143 | { "lazy_init", BFD_MACH_O_MH_LAZY_INIT }, | |
144 | { "twolevel", BFD_MACH_O_MH_TWOLEVEL }, | |
145 | { "force_flat", BFD_MACH_O_MH_FORCE_FLAT }, | |
146 | { "nomultidefs", BFD_MACH_O_MH_NOMULTIDEFS }, | |
147 | { "nofixprebinding", BFD_MACH_O_MH_NOFIXPREBINDING }, | |
148 | { "prebindable", BFD_MACH_O_MH_PREBINDABLE }, | |
149 | { "allmodsbound", BFD_MACH_O_MH_ALLMODSBOUND }, | |
150 | { "subsections_via_symbols", BFD_MACH_O_MH_SUBSECTIONS_VIA_SYMBOLS }, | |
151 | { "canonical", BFD_MACH_O_MH_CANONICAL }, | |
152 | { "weak_defines", BFD_MACH_O_MH_WEAK_DEFINES }, | |
153 | { "binds_to_weak", BFD_MACH_O_MH_BINDS_TO_WEAK }, | |
154 | { "allow_stack_execution", BFD_MACH_O_MH_ALLOW_STACK_EXECUTION }, | |
155 | { "root_safe", BFD_MACH_O_MH_ROOT_SAFE }, | |
156 | { "setuid_safe", BFD_MACH_O_MH_SETUID_SAFE }, | |
157 | { "no_reexported_dylibs", BFD_MACH_O_MH_NO_REEXPORTED_DYLIBS }, | |
158 | { "pie", BFD_MACH_O_MH_PIE }, | |
b4687fcc TG |
159 | { "dead_strippable_dylib", BFD_MACH_O_MH_DEAD_STRIPPABLE_DYLIB }, |
160 | { "has_tlv", BFD_MACH_O_MH_HAS_TLV_DESCRIPTORS }, | |
161 | { "no_heap_execution", BFD_MACH_O_MH_NO_HEAP_EXECUTION }, | |
162 | { "app_extension_safe", BFD_MACH_O_MH_APP_EXTENSION_SAFE }, | |
12fa714f TG |
163 | { NULL, 0} |
164 | }; | |
165 | ||
166 | static const bfd_mach_o_xlat_name bfd_mach_o_load_command_name[] = | |
167 | { | |
168 | { "segment", BFD_MACH_O_LC_SEGMENT}, | |
169 | { "symtab", BFD_MACH_O_LC_SYMTAB}, | |
170 | { "symseg", BFD_MACH_O_LC_SYMSEG}, | |
171 | { "thread", BFD_MACH_O_LC_THREAD}, | |
172 | { "unixthread", BFD_MACH_O_LC_UNIXTHREAD}, | |
173 | { "loadfvmlib", BFD_MACH_O_LC_LOADFVMLIB}, | |
174 | { "idfvmlib", BFD_MACH_O_LC_IDFVMLIB}, | |
175 | { "ident", BFD_MACH_O_LC_IDENT}, | |
176 | { "fvmfile", BFD_MACH_O_LC_FVMFILE}, | |
177 | { "prepage", BFD_MACH_O_LC_PREPAGE}, | |
178 | { "dysymtab", BFD_MACH_O_LC_DYSYMTAB}, | |
179 | { "load_dylib", BFD_MACH_O_LC_LOAD_DYLIB}, | |
180 | { "id_dylib", BFD_MACH_O_LC_ID_DYLIB}, | |
181 | { "load_dylinker", BFD_MACH_O_LC_LOAD_DYLINKER}, | |
182 | { "id_dylinker", BFD_MACH_O_LC_ID_DYLINKER}, | |
183 | { "prebound_dylib", BFD_MACH_O_LC_PREBOUND_DYLIB}, | |
184 | { "routines", BFD_MACH_O_LC_ROUTINES}, | |
185 | { "sub_framework", BFD_MACH_O_LC_SUB_FRAMEWORK}, | |
186 | { "sub_umbrella", BFD_MACH_O_LC_SUB_UMBRELLA}, | |
187 | { "sub_client", BFD_MACH_O_LC_SUB_CLIENT}, | |
188 | { "sub_library", BFD_MACH_O_LC_SUB_LIBRARY}, | |
189 | { "twolevel_hints", BFD_MACH_O_LC_TWOLEVEL_HINTS}, | |
190 | { "prebind_cksum", BFD_MACH_O_LC_PREBIND_CKSUM}, | |
191 | { "load_weak_dylib", BFD_MACH_O_LC_LOAD_WEAK_DYLIB}, | |
192 | { "segment_64", BFD_MACH_O_LC_SEGMENT_64}, | |
193 | { "routines_64", BFD_MACH_O_LC_ROUTINES_64}, | |
194 | { "uuid", BFD_MACH_O_LC_UUID}, | |
195 | { "rpath", BFD_MACH_O_LC_RPATH}, | |
196 | { "code_signature", BFD_MACH_O_LC_CODE_SIGNATURE}, | |
197 | { "segment_split_info", BFD_MACH_O_LC_SEGMENT_SPLIT_INFO}, | |
198 | { "reexport_dylib", BFD_MACH_O_LC_REEXPORT_DYLIB}, | |
199 | { "lazy_load_dylib", BFD_MACH_O_LC_LAZY_LOAD_DYLIB}, | |
200 | { "encryption_info", BFD_MACH_O_LC_ENCRYPTION_INFO}, | |
201 | { "dyld_info", BFD_MACH_O_LC_DYLD_INFO}, | |
202 | { "load_upward_lib", BFD_MACH_O_LC_LOAD_UPWARD_DYLIB}, | |
203 | { "version_min_macosx", BFD_MACH_O_LC_VERSION_MIN_MACOSX}, | |
204 | { "version_min_iphoneos", BFD_MACH_O_LC_VERSION_MIN_IPHONEOS}, | |
205 | { "function_starts", BFD_MACH_O_LC_FUNCTION_STARTS}, | |
206 | { "dyld_environment", BFD_MACH_O_LC_DYLD_ENVIRONMENT}, | |
1778ad74 TG |
207 | { "main", BFD_MACH_O_LC_MAIN}, |
208 | { "data_in_code", BFD_MACH_O_LC_DATA_IN_CODE}, | |
209 | { "source_version", BFD_MACH_O_LC_SOURCE_VERSION}, | |
210 | { "dylib_code_sign_drs", BFD_MACH_O_LC_DYLIB_CODE_SIGN_DRS}, | |
b53e4c0e TG |
211 | { "encryption_info_64", BFD_MACH_O_LC_ENCRYPTION_INFO_64}, |
212 | { "linker_options", BFD_MACH_O_LC_LINKER_OPTIONS}, | |
213 | { "linker_optimization_hint", BFD_MACH_O_LC_LINKER_OPTIMIZATION_HINT}, | |
fc7b364a RB |
214 | { "version_min_tvos", BFD_MACH_O_LC_VERSION_MIN_TVOS}, |
215 | { "version_min_watchos", BFD_MACH_O_LC_VERSION_MIN_WATCHOS}, | |
216 | { "note", BFD_MACH_O_LC_NOTE}, | |
217 | { "build_version", BFD_MACH_O_LC_BUILD_VERSION}, | |
d768f160 SJ |
218 | { "exports_trie", BFD_MACH_O_LC_DYLD_EXPORTS_TRIE}, |
219 | { "chained_fixups", BFD_MACH_O_LC_DYLD_CHAINED_FIXUPS}, | |
12fa714f TG |
220 | { NULL, 0} |
221 | }; | |
222 | ||
223 | static const bfd_mach_o_xlat_name bfd_mach_o_thread_x86_name[] = | |
224 | { | |
225 | { "thread_state32", BFD_MACH_O_x86_THREAD_STATE32}, | |
226 | { "float_state32", BFD_MACH_O_x86_FLOAT_STATE32}, | |
227 | { "exception_state32", BFD_MACH_O_x86_EXCEPTION_STATE32}, | |
228 | { "thread_state64", BFD_MACH_O_x86_THREAD_STATE64}, | |
229 | { "float_state64", BFD_MACH_O_x86_FLOAT_STATE64}, | |
230 | { "exception_state64", BFD_MACH_O_x86_EXCEPTION_STATE64}, | |
231 | { "thread_state", BFD_MACH_O_x86_THREAD_STATE}, | |
232 | { "float_state", BFD_MACH_O_x86_FLOAT_STATE}, | |
233 | { "exception_state", BFD_MACH_O_x86_EXCEPTION_STATE}, | |
234 | { "debug_state32", BFD_MACH_O_x86_DEBUG_STATE32}, | |
235 | { "debug_state64", BFD_MACH_O_x86_DEBUG_STATE64}, | |
236 | { "debug_state", BFD_MACH_O_x86_DEBUG_STATE}, | |
237 | { "state_none", BFD_MACH_O_x86_THREAD_STATE_NONE}, | |
238 | { NULL, 0 } | |
239 | }; | |
fc7b364a RB |
240 | |
241 | static const bfd_mach_o_xlat_name bfd_mach_o_platform_name[] = | |
242 | { | |
243 | { "macos", BFD_MACH_O_PLATFORM_MACOS}, | |
244 | { "ios", BFD_MACH_O_PLATFORM_IOS}, | |
245 | { "tvos", BFD_MACH_O_PLATFORM_TVOS}, | |
246 | { "watchos", BFD_MACH_O_PLATFORM_WATCHOS}, | |
247 | { "bridgeos", BFD_MACH_O_PLATFORM_BRIDGEOS}, | |
248 | { NULL, 0 } | |
249 | }; | |
250 | ||
251 | static const bfd_mach_o_xlat_name bfd_mach_o_tool_name[] = | |
252 | { | |
253 | { "clang", BFD_MACH_O_TOOL_CLANG}, | |
254 | { "swift", BFD_MACH_O_TOOL_SWIFT}, | |
255 | { "ld", BFD_MACH_O_TOOL_LD}, | |
256 | { NULL, 0 } | |
257 | }; | |
258 | ||
12fa714f TG |
259 | static void |
260 | bfd_mach_o_print_flags (const bfd_mach_o_xlat_name *table, | |
261 | unsigned long val) | |
262 | { | |
263 | int first = 1; | |
264 | ||
265 | for (; table->name; table++) | |
266 | { | |
267 | if (table->val & val) | |
268 | { | |
269 | if (!first) | |
270 | printf ("+"); | |
271 | printf ("%s", table->name); | |
272 | val &= ~table->val; | |
273 | first = 0; | |
274 | } | |
275 | } | |
276 | if (val) | |
277 | { | |
278 | if (!first) | |
279 | printf ("+"); | |
280 | printf ("0x%lx", val); | |
281 | return; | |
282 | } | |
283 | if (first) | |
284 | printf ("-"); | |
285 | } | |
286 | ||
287 | static const char * | |
288 | bfd_mach_o_get_name_or_null (const bfd_mach_o_xlat_name *table, | |
289 | unsigned long val) | |
290 | { | |
291 | for (; table->name; table++) | |
292 | if (table->val == val) | |
293 | return table->name; | |
294 | return NULL; | |
295 | } | |
296 | ||
297 | static const char * | |
298 | bfd_mach_o_get_name (const bfd_mach_o_xlat_name *table, unsigned long val) | |
299 | { | |
300 | const char *res = bfd_mach_o_get_name_or_null (table, val); | |
301 | ||
302 | if (res == NULL) | |
303 | return "*UNKNOWN*"; | |
304 | else | |
305 | return res; | |
306 | } | |
307 | ||
308 | static void | |
309 | dump_header (bfd *abfd) | |
310 | { | |
311 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
312 | bfd_mach_o_header *h = &mdata->header; | |
313 | ||
314 | fputs (_("Mach-O header:\n"), stdout); | |
315 | printf (_(" magic : %08lx\n"), h->magic); | |
316 | printf (_(" cputype : %08lx (%s)\n"), h->cputype, | |
2634e8c8 | 317 | bfd_mach_o_get_name (bfd_mach_o_cpu_name, h->cputype)); |
12fa714f TG |
318 | printf (_(" cpusubtype: %08lx\n"), h->cpusubtype); |
319 | printf (_(" filetype : %08lx (%s)\n"), | |
2634e8c8 TG |
320 | h->filetype, |
321 | bfd_mach_o_get_name (bfd_mach_o_filetype_name, h->filetype)); | |
12fa714f | 322 | printf (_(" ncmds : %08lx (%lu)\n"), h->ncmds, h->ncmds); |
47f8a107 | 323 | printf (_(" sizeofcmds: %08lx (%lu)\n"), h->sizeofcmds, h->sizeofcmds); |
12fa714f TG |
324 | printf (_(" flags : %08lx ("), h->flags); |
325 | bfd_mach_o_print_flags (bfd_mach_o_header_flags_name, h->flags); | |
326 | fputs (_(")\n"), stdout); | |
327 | printf (_(" reserved : %08x\n"), h->reserved); | |
c275b681 | 328 | putchar ('\n'); |
12fa714f TG |
329 | } |
330 | ||
3cc27770 TG |
331 | static void |
332 | disp_segment_prot (unsigned int prot) | |
333 | { | |
334 | putchar (prot & BFD_MACH_O_PROT_READ ? 'r' : '-'); | |
335 | putchar (prot & BFD_MACH_O_PROT_WRITE ? 'w' : '-'); | |
336 | putchar (prot & BFD_MACH_O_PROT_EXECUTE ? 'x' : '-'); | |
337 | } | |
338 | ||
12fa714f TG |
339 | static void |
340 | dump_section_map (bfd *abfd) | |
341 | { | |
342 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
c9ffd2ea | 343 | bfd_mach_o_load_command *cmd; |
12fa714f TG |
344 | unsigned int sec_nbr = 0; |
345 | ||
346 | fputs (_("Segments and Sections:\n"), stdout); | |
347 | fputs (_(" #: Segment name Section name Address\n"), stdout); | |
348 | ||
c9ffd2ea | 349 | for (cmd = mdata->first_command; cmd != NULL; cmd = cmd->next) |
12fa714f TG |
350 | { |
351 | bfd_mach_o_segment_command *seg; | |
352 | bfd_mach_o_section *sec; | |
353 | ||
c9ffd2ea TG |
354 | if (cmd->type != BFD_MACH_O_LC_SEGMENT |
355 | && cmd->type != BFD_MACH_O_LC_SEGMENT_64) | |
12fa714f TG |
356 | continue; |
357 | ||
c9ffd2ea | 358 | seg = &cmd->command.segment; |
12fa714f TG |
359 | |
360 | printf ("[Segment %-16s ", seg->segname); | |
f493c217 | 361 | bfd_printf_vma (abfd, seg->vmaddr); |
12fa714f | 362 | putchar ('-'); |
f493c217 | 363 | bfd_printf_vma (abfd, seg->vmaddr + seg->vmsize - 1); |
12fa714f | 364 | putchar (' '); |
3cc27770 | 365 | disp_segment_prot (seg->initprot); |
12fa714f TG |
366 | printf ("]\n"); |
367 | ||
368 | for (sec = seg->sect_head; sec != NULL; sec = sec->next) | |
369 | { | |
370 | printf ("%02u: %-16s %-16s ", ++sec_nbr, | |
371 | sec->segname, sec->sectname); | |
f493c217 | 372 | bfd_printf_vma (abfd, sec->addr); |
12fa714f | 373 | putchar (' '); |
f493c217 | 374 | bfd_printf_vma (abfd, sec->size); |
12fa714f TG |
375 | printf (" %08lx\n", sec->flags); |
376 | } | |
377 | } | |
378 | } | |
379 | ||
380 | static void | |
f493c217 | 381 | dump_section_header (bfd *abfd, bfd_mach_o_section *sec) |
12fa714f TG |
382 | { |
383 | printf (" Section: %-16s %-16s (bfdname: %s)\n", | |
384 | sec->sectname, sec->segname, sec->bfdsection->name); | |
385 | printf (" addr: "); | |
f493c217 | 386 | bfd_printf_vma (abfd, sec->addr); |
12fa714f | 387 | printf (" size: "); |
f493c217 | 388 | bfd_printf_vma (abfd, sec->size); |
12fa714f | 389 | printf (" offset: "); |
f493c217 | 390 | bfd_printf_vma (abfd, sec->offset); |
12fa714f TG |
391 | printf ("\n"); |
392 | printf (" align: %ld", sec->align); | |
393 | printf (" nreloc: %lu reloff: ", sec->nreloc); | |
f493c217 | 394 | bfd_printf_vma (abfd, sec->reloff); |
12fa714f TG |
395 | printf ("\n"); |
396 | printf (" flags: %08lx (type: %s", sec->flags, | |
397 | bfd_mach_o_get_name (bfd_mach_o_section_type_name, | |
398 | sec->flags & BFD_MACH_O_SECTION_TYPE_MASK)); | |
399 | printf (" attr: "); | |
400 | bfd_mach_o_print_flags (bfd_mach_o_section_attribute_name, | |
401 | sec->flags & BFD_MACH_O_SECTION_ATTRIBUTES_MASK); | |
402 | printf (")\n"); | |
403 | switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK) | |
404 | { | |
405 | case BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS: | |
406 | case BFD_MACH_O_S_LAZY_SYMBOL_POINTERS: | |
407 | case BFD_MACH_O_S_SYMBOL_STUBS: | |
408 | printf (" first indirect sym: %lu", sec->reserved1); | |
409 | printf (" (%u entries)", | |
410 | bfd_mach_o_section_get_nbr_indirect (abfd, sec)); | |
411 | break; | |
412 | default: | |
413 | printf (" reserved1: 0x%lx", sec->reserved1); | |
414 | break; | |
415 | } | |
416 | switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK) | |
417 | { | |
418 | case BFD_MACH_O_S_SYMBOL_STUBS: | |
419 | printf (" stub size: %lu", sec->reserved2); | |
420 | break; | |
421 | default: | |
422 | printf (" reserved2: 0x%lx", sec->reserved2); | |
423 | break; | |
424 | } | |
425 | printf (" reserved3: 0x%lx\n", sec->reserved3); | |
426 | } | |
427 | ||
428 | static void | |
f493c217 | 429 | dump_segment (bfd *abfd, bfd_mach_o_load_command *cmd) |
12fa714f TG |
430 | { |
431 | bfd_mach_o_segment_command *seg = &cmd->command.segment; | |
432 | bfd_mach_o_section *sec; | |
433 | ||
47f8a107 TG |
434 | printf (" name: %16s", *seg->segname ? seg->segname : "*none*"); |
435 | printf (" nsects: %lu", seg->nsects); | |
436 | printf (" flags: %lx", seg->flags); | |
437 | printf (" initprot: "); | |
438 | disp_segment_prot (seg->initprot); | |
439 | printf (" maxprot: "); | |
440 | disp_segment_prot (seg->maxprot); | |
441 | printf ("\n"); | |
442 | printf (" vmaddr: "); | |
f493c217 | 443 | bfd_printf_vma (abfd, seg->vmaddr); |
12fa714f | 444 | printf (" vmsize: "); |
f493c217 | 445 | bfd_printf_vma (abfd, seg->vmsize); |
12fa714f | 446 | printf ("\n"); |
47f8a107 | 447 | printf (" fileoff: "); |
f493c217 | 448 | bfd_printf_vma (abfd, seg->fileoff); |
12fa714f | 449 | printf (" filesize: "); |
f493c217 | 450 | bfd_printf_vma (abfd, (bfd_vma) seg->filesize); |
12fa714f | 451 | printf (" endoff: "); |
f493c217 | 452 | bfd_printf_vma (abfd, (bfd_vma) (seg->fileoff + seg->filesize)); |
12fa714f | 453 | printf ("\n"); |
12fa714f | 454 | for (sec = seg->sect_head; sec != NULL; sec = sec->next) |
167e1c1f | 455 | dump_section_header (abfd, sec); |
12fa714f TG |
456 | } |
457 | ||
458 | static void | |
015dc7e1 | 459 | dump_dysymtab (bfd *abfd, bfd_mach_o_load_command *cmd, bool verbose) |
12fa714f TG |
460 | { |
461 | bfd_mach_o_dysymtab_command *dysymtab = &cmd->command.dysymtab; | |
462 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
463 | unsigned int i; | |
464 | ||
465 | printf (" local symbols: idx: %10lu num: %-8lu", | |
466 | dysymtab->ilocalsym, dysymtab->nlocalsym); | |
467 | printf (" (nxtidx: %lu)\n", | |
468 | dysymtab->ilocalsym + dysymtab->nlocalsym); | |
469 | printf (" external symbols: idx: %10lu num: %-8lu", | |
470 | dysymtab->iextdefsym, dysymtab->nextdefsym); | |
471 | printf (" (nxtidx: %lu)\n", | |
472 | dysymtab->iextdefsym + dysymtab->nextdefsym); | |
473 | printf (" undefined symbols: idx: %10lu num: %-8lu", | |
474 | dysymtab->iundefsym, dysymtab->nundefsym); | |
475 | printf (" (nxtidx: %lu)\n", | |
476 | dysymtab->iundefsym + dysymtab->nundefsym); | |
477 | printf (" table of content: off: 0x%08lx num: %-8lu", | |
478 | dysymtab->tocoff, dysymtab->ntoc); | |
479 | printf (" (endoff: 0x%08lx)\n", | |
480 | dysymtab->tocoff + dysymtab->ntoc * BFD_MACH_O_TABLE_OF_CONTENT_SIZE); | |
481 | printf (" module table: off: 0x%08lx num: %-8lu", | |
482 | dysymtab->modtaboff, dysymtab->nmodtab); | |
483 | printf (" (endoff: 0x%08lx)\n", | |
484 | dysymtab->modtaboff + dysymtab->nmodtab | |
485 | * (mdata->header.version == 2 ? | |
486 | BFD_MACH_O_DYLIB_MODULE_64_SIZE : BFD_MACH_O_DYLIB_MODULE_SIZE)); | |
487 | printf (" external reference table: off: 0x%08lx num: %-8lu", | |
488 | dysymtab->extrefsymoff, dysymtab->nextrefsyms); | |
489 | printf (" (endoff: 0x%08lx)\n", | |
490 | dysymtab->extrefsymoff | |
491 | + dysymtab->nextrefsyms * BFD_MACH_O_REFERENCE_SIZE); | |
492 | printf (" indirect symbol table: off: 0x%08lx num: %-8lu", | |
493 | dysymtab->indirectsymoff, dysymtab->nindirectsyms); | |
494 | printf (" (endoff: 0x%08lx)\n", | |
495 | dysymtab->indirectsymoff | |
496 | + dysymtab->nindirectsyms * BFD_MACH_O_INDIRECT_SYMBOL_SIZE); | |
497 | printf (" external relocation table: off: 0x%08lx num: %-8lu", | |
498 | dysymtab->extreloff, dysymtab->nextrel); | |
499 | printf (" (endoff: 0x%08lx)\n", | |
500 | dysymtab->extreloff + dysymtab->nextrel * BFD_MACH_O_RELENT_SIZE); | |
501 | printf (" local relocation table: off: 0x%08lx num: %-8lu", | |
502 | dysymtab->locreloff, dysymtab->nlocrel); | |
503 | printf (" (endoff: 0x%08lx)\n", | |
504 | dysymtab->locreloff + dysymtab->nlocrel * BFD_MACH_O_RELENT_SIZE); | |
505 | ||
506 | if (!verbose) | |
507 | return; | |
508 | ||
509 | if (dysymtab->ntoc > 0 | |
510 | || dysymtab->nindirectsyms > 0 | |
511 | || dysymtab->nextrefsyms > 0) | |
512 | { | |
513 | /* Try to read the symbols to display the toc or indirect symbols. */ | |
514 | bfd_mach_o_read_symtab_symbols (abfd); | |
515 | } | |
516 | else if (dysymtab->nmodtab > 0) | |
517 | { | |
518 | /* Try to read the strtab to display modules name. */ | |
519 | bfd_mach_o_read_symtab_strtab (abfd); | |
520 | } | |
521 | ||
522 | for (i = 0; i < dysymtab->nmodtab; i++) | |
523 | { | |
524 | bfd_mach_o_dylib_module *module = &dysymtab->dylib_module[i]; | |
525 | printf (" module %u:\n", i); | |
526 | printf (" name: %lu", module->module_name_idx); | |
527 | if (mdata->symtab && mdata->symtab->strtab) | |
528 | printf (": %s", | |
529 | mdata->symtab->strtab + module->module_name_idx); | |
530 | printf ("\n"); | |
531 | printf (" extdefsym: idx: %8lu num: %lu\n", | |
532 | module->iextdefsym, module->nextdefsym); | |
533 | printf (" refsym: idx: %8lu num: %lu\n", | |
534 | module->irefsym, module->nrefsym); | |
535 | printf (" localsym: idx: %8lu num: %lu\n", | |
536 | module->ilocalsym, module->nlocalsym); | |
537 | printf (" extrel: idx: %8lu num: %lu\n", | |
538 | module->iextrel, module->nextrel); | |
539 | printf (" init: idx: %8u num: %u\n", | |
540 | module->iinit, module->ninit); | |
541 | printf (" term: idx: %8u num: %u\n", | |
542 | module->iterm, module->nterm); | |
543 | printf (" objc_module_info: addr: "); | |
f493c217 | 544 | bfd_printf_vma (abfd, module->objc_module_info_addr); |
12fa714f TG |
545 | printf (" size: %lu\n", module->objc_module_info_size); |
546 | } | |
547 | ||
548 | if (dysymtab->ntoc > 0) | |
549 | { | |
550 | bfd_mach_o_symtab_command *symtab = mdata->symtab; | |
551 | ||
552 | printf (" table of content: (symbol/module)\n"); | |
553 | for (i = 0; i < dysymtab->ntoc; i++) | |
554 | { | |
555 | bfd_mach_o_dylib_table_of_content *toc = &dysymtab->dylib_toc[i]; | |
556 | ||
557 | printf (" %4u: ", i); | |
558 | if (symtab && symtab->symbols && toc->symbol_index < symtab->nsyms) | |
559 | { | |
560 | const char *name = symtab->symbols[toc->symbol_index].symbol.name; | |
561 | printf ("%s (%lu)", name ? name : "*invalid*", | |
562 | toc->symbol_index); | |
563 | } | |
564 | else | |
565 | printf ("%lu", toc->symbol_index); | |
566 | ||
567 | printf (" / "); | |
568 | if (symtab && symtab->strtab | |
569 | && toc->module_index < dysymtab->nmodtab) | |
570 | { | |
571 | bfd_mach_o_dylib_module *mod; | |
572 | mod = &dysymtab->dylib_module[toc->module_index]; | |
573 | printf ("%s (%lu)", | |
574 | symtab->strtab + mod->module_name_idx, | |
575 | toc->module_index); | |
576 | } | |
577 | else | |
578 | printf ("%lu", toc->module_index); | |
579 | ||
580 | printf ("\n"); | |
581 | } | |
582 | } | |
583 | ||
584 | if (dysymtab->nindirectsyms != 0) | |
585 | { | |
586 | printf (" indirect symbols:\n"); | |
587 | ||
588 | for (i = 0; i < mdata->nsects; i++) | |
589 | { | |
590 | bfd_mach_o_section *sec = mdata->sections[i]; | |
591 | unsigned int j, first, last; | |
592 | bfd_mach_o_symtab_command *symtab = mdata->symtab; | |
593 | bfd_vma addr; | |
594 | bfd_vma entry_size; | |
595 | ||
596 | switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK) | |
597 | { | |
598 | case BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS: | |
599 | case BFD_MACH_O_S_LAZY_SYMBOL_POINTERS: | |
600 | case BFD_MACH_O_S_SYMBOL_STUBS: | |
601 | first = sec->reserved1; | |
602 | last = first + bfd_mach_o_section_get_nbr_indirect (abfd, sec); | |
603 | addr = sec->addr; | |
604 | entry_size = bfd_mach_o_section_get_entry_size (abfd, sec); | |
605 | printf (" for section %s.%s:\n", | |
606 | sec->segname, sec->sectname); | |
607 | for (j = first; j < last; j++) | |
608 | { | |
609 | unsigned int isym = dysymtab->indirect_syms[j]; | |
610 | ||
611 | printf (" "); | |
f493c217 | 612 | bfd_printf_vma (abfd, addr); |
12fa714f TG |
613 | printf (" %5u: 0x%08x", j, isym); |
614 | if (isym & BFD_MACH_O_INDIRECT_SYMBOL_LOCAL) | |
615 | printf (" LOCAL"); | |
616 | if (isym & BFD_MACH_O_INDIRECT_SYMBOL_ABS) | |
617 | printf (" ABSOLUTE"); | |
618 | if (symtab && symtab->symbols | |
619 | && isym < symtab->nsyms | |
620 | && symtab->symbols[isym].symbol.name) | |
621 | printf (" %s", symtab->symbols[isym].symbol.name); | |
622 | printf ("\n"); | |
623 | addr += entry_size; | |
624 | } | |
625 | break; | |
626 | default: | |
627 | break; | |
628 | } | |
629 | } | |
630 | } | |
631 | if (dysymtab->nextrefsyms > 0) | |
632 | { | |
633 | bfd_mach_o_symtab_command *symtab = mdata->symtab; | |
634 | ||
635 | printf (" external reference table: (symbol flags)\n"); | |
636 | for (i = 0; i < dysymtab->nextrefsyms; i++) | |
637 | { | |
638 | bfd_mach_o_dylib_reference *ref = &dysymtab->ext_refs[i]; | |
639 | ||
640 | printf (" %4u: %5lu 0x%02lx", i, ref->isym, ref->flags); | |
641 | if (symtab && symtab->symbols | |
642 | && ref->isym < symtab->nsyms | |
643 | && symtab->symbols[ref->isym].symbol.name) | |
644 | printf (" %s", symtab->symbols[ref->isym].symbol.name); | |
645 | printf ("\n"); | |
646 | } | |
647 | } | |
648 | ||
649 | } | |
650 | ||
015dc7e1 | 651 | static bool |
e89d3dee TG |
652 | load_and_dump (bfd *abfd, ufile_ptr off, unsigned int len, |
653 | void (*dump)(bfd *abfd, unsigned char *buf, unsigned int len, | |
654 | ufile_ptr off)) | |
655 | { | |
656 | unsigned char *buf; | |
657 | ||
658 | if (len == 0) | |
015dc7e1 | 659 | return true; |
e89d3dee TG |
660 | |
661 | buf = xmalloc (len); | |
662 | ||
663 | if (bfd_seek (abfd, off, SEEK_SET) == 0 | |
664 | && bfd_bread (buf, len, abfd) == len) | |
665 | dump (abfd, buf, len, off); | |
666 | else | |
015dc7e1 | 667 | return false; |
e89d3dee TG |
668 | |
669 | free (buf); | |
015dc7e1 | 670 | return true; |
e89d3dee TG |
671 | } |
672 | ||
673 | static const bfd_mach_o_xlat_name bfd_mach_o_dyld_rebase_type_name[] = | |
674 | { | |
675 | { "pointer", BFD_MACH_O_REBASE_TYPE_POINTER }, | |
676 | { "text_abs32", BFD_MACH_O_REBASE_TYPE_TEXT_ABSOLUTE32 }, | |
677 | { "text_pcrel32", BFD_MACH_O_REBASE_TYPE_TEXT_PCREL32 }, | |
678 | { NULL, 0 } | |
679 | }; | |
680 | ||
681 | static void | |
682 | dump_dyld_info_rebase (bfd *abfd, unsigned char *buf, unsigned int len, | |
683 | ufile_ptr off ATTRIBUTE_UNUSED) | |
684 | { | |
685 | unsigned int i; | |
686 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
687 | unsigned int ptrsize = mdata->header.version == 2 ? 8 : 4; | |
688 | ||
689 | for (i = 0; i < len; ) | |
690 | { | |
691 | unsigned char b = buf[i++]; | |
692 | unsigned char imm = b & BFD_MACH_O_REBASE_IMMEDIATE_MASK; | |
693 | bfd_vma leb; | |
694 | unsigned int leblen; | |
695 | ||
696 | printf (" [0x%04x] 0x%02x: ", i, b); | |
697 | switch (b & BFD_MACH_O_REBASE_OPCODE_MASK) | |
698 | { | |
699 | case BFD_MACH_O_REBASE_OPCODE_DONE: | |
700 | printf ("done\n"); | |
701 | return; | |
702 | case BFD_MACH_O_REBASE_OPCODE_SET_TYPE_IMM: | |
703 | printf ("set_type %s\n", | |
704 | bfd_mach_o_get_name (bfd_mach_o_dyld_rebase_type_name, imm)); | |
705 | break; | |
706 | case BFD_MACH_O_REBASE_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB: | |
5ad87552 | 707 | leb = read_leb128 (buf + i, buf + len, 0, &leblen, NULL); |
e89d3dee TG |
708 | printf ("set segment: %u and offset: 0x%08x\n", |
709 | imm, (unsigned) leb); | |
710 | i += leblen; | |
711 | break; | |
712 | case BFD_MACH_O_REBASE_OPCODE_ADD_ADDR_ULEB: | |
5ad87552 | 713 | leb = read_leb128 (buf + i, buf + len, 0, &leblen, NULL); |
e89d3dee TG |
714 | printf ("add addr uleb: 0x%08x\n", (unsigned) leb); |
715 | i += leblen; | |
716 | break; | |
717 | case BFD_MACH_O_REBASE_OPCODE_ADD_ADDR_IMM_SCALED: | |
718 | printf ("add addr imm scaled: %u\n", imm * ptrsize); | |
719 | break; | |
720 | case BFD_MACH_O_REBASE_OPCODE_DO_REBASE_IMM_TIMES: | |
721 | printf ("rebase imm times: %u\n", imm); | |
722 | break; | |
723 | case BFD_MACH_O_REBASE_OPCODE_DO_REBASE_ULEB_TIMES: | |
5ad87552 | 724 | leb = read_leb128 (buf + i, buf + len, 0, &leblen, NULL); |
e89d3dee TG |
725 | printf ("rebase uleb times: %u\n", (unsigned) leb); |
726 | i += leblen; | |
727 | break; | |
728 | case BFD_MACH_O_REBASE_OPCODE_DO_REBASE_ADD_ADDR_ULEB: | |
5ad87552 | 729 | leb = read_leb128 (buf + i, buf + len, 0, &leblen, NULL); |
e89d3dee TG |
730 | printf ("rebase add addr uleb: %u\n", (unsigned) leb); |
731 | i += leblen; | |
732 | break; | |
733 | case BFD_MACH_O_REBASE_OPCODE_DO_REBASE_ULEB_TIMES_SKIPPING_ULEB: | |
5ad87552 | 734 | leb = read_leb128 (buf + i, buf + len, 0, &leblen, NULL); |
e89d3dee TG |
735 | printf ("rebase uleb times (%u)", (unsigned) leb); |
736 | i += leblen; | |
5ad87552 | 737 | leb = read_leb128 (buf + i, buf + len, 0, &leblen, NULL); |
e89d3dee TG |
738 | printf (" skipping uleb (%u)\n", (unsigned) leb); |
739 | i += leblen; | |
740 | break; | |
741 | default: | |
742 | printf ("unknown\n"); | |
743 | return; | |
744 | } | |
745 | } | |
746 | printf (" rebase commands without end!\n"); | |
747 | } | |
748 | ||
749 | static void | |
750 | dump_dyld_info_bind (bfd *abfd, unsigned char *buf, unsigned int len, | |
751 | ufile_ptr off ATTRIBUTE_UNUSED) | |
752 | { | |
753 | unsigned int i; | |
754 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
755 | unsigned int ptrsize = mdata->header.version == 2 ? 8 : 4; | |
756 | ||
757 | for (i = 0; i < len; ) | |
758 | { | |
759 | unsigned char b = buf[i++]; | |
760 | unsigned char imm = b & BFD_MACH_O_BIND_IMMEDIATE_MASK; | |
761 | bfd_vma leb; | |
762 | unsigned int leblen; | |
763 | ||
764 | printf (" [0x%04x] 0x%02x: ", i, b); | |
765 | switch (b & BFD_MACH_O_BIND_OPCODE_MASK) | |
766 | { | |
767 | case BFD_MACH_O_BIND_OPCODE_DONE: | |
768 | printf ("done\n"); | |
769 | return; | |
770 | case BFD_MACH_O_BIND_OPCODE_SET_DYLIB_ORDINAL_IMM: | |
771 | printf ("set dylib ordinal imm: %u\n", imm); | |
772 | break; | |
773 | case BFD_MACH_O_BIND_OPCODE_SET_DYLIB_ORDINAL_ULEB: | |
5ad87552 | 774 | leb = read_leb128 (buf + i, buf + len, 0, &leblen, NULL); |
e89d3dee TG |
775 | printf ("set dylib ordinal uleb: %u\n", imm); |
776 | i += leblen; | |
777 | break; | |
778 | case BFD_MACH_O_BIND_OPCODE_SET_DYLIB_SPECIAL_IMM: | |
779 | imm = (imm != 0) ? imm | BFD_MACH_O_BIND_OPCODE_MASK : imm; | |
780 | printf ("set dylib special imm: %d\n", imm); | |
781 | break; | |
782 | case BFD_MACH_O_BIND_OPCODE_SET_SYMBOL_TRAILING_FLAGS_IMM: | |
783 | printf ("set symbol trailing flags imm: 0x%02x, ", imm); | |
784 | for (; i < len && buf[i] != 0; i++) | |
785 | putchar (buf[i] >= ' ' && buf[i] < 0x7f ? buf[i] : '?'); | |
786 | putchar ('\n'); | |
787 | i++; | |
788 | break; | |
789 | case BFD_MACH_O_BIND_OPCODE_SET_TYPE_IMM: | |
790 | /* Kludge: use the same table as rebase type. */ | |
791 | printf ("set_type %s\n", | |
792 | bfd_mach_o_get_name (bfd_mach_o_dyld_rebase_type_name, imm)); | |
793 | break; | |
794 | case BFD_MACH_O_BIND_OPCODE_SET_ADDEND_SLEB: | |
795 | { | |
796 | bfd_signed_vma svma; | |
5ad87552 | 797 | svma = read_leb128 (buf + i, buf + len, 0, &leblen, NULL); |
e89d3dee TG |
798 | printf ("set addend sleb: 0x%08x\n", (unsigned) svma); |
799 | i += leblen; | |
800 | } | |
801 | break; | |
802 | case BFD_MACH_O_BIND_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB: | |
5ad87552 | 803 | leb = read_leb128 (buf + i, buf + len, 0, &leblen, NULL); |
e89d3dee TG |
804 | printf ("set segment: %u and offset: 0x%08x\n", |
805 | imm, (unsigned) leb); | |
806 | i += leblen; | |
807 | break; | |
808 | case BFD_MACH_O_BIND_OPCODE_ADD_ADDR_ULEB: | |
5ad87552 | 809 | leb = read_leb128 (buf + i, buf + len, 0, &leblen, NULL); |
e89d3dee TG |
810 | printf ("add addr uleb: 0x%08x\n", (unsigned) leb); |
811 | i += leblen; | |
812 | break; | |
813 | case BFD_MACH_O_BIND_OPCODE_DO_BIND: | |
814 | printf ("do bind\n"); | |
815 | break; | |
816 | case BFD_MACH_O_BIND_OPCODE_DO_BIND_ADD_ADDR_ULEB: | |
5ad87552 | 817 | leb = read_leb128 (buf + i, buf + len, 0, &leblen, NULL); |
e89d3dee TG |
818 | printf ("do bind add addr uleb: 0x%08x\n", (unsigned) leb); |
819 | i += leblen; | |
820 | break; | |
821 | case BFD_MACH_O_BIND_OPCODE_DO_BIND_ADD_ADDR_IMM_SCALED: | |
822 | printf ("do bind add addr imm scaled: %u\n", imm * ptrsize); | |
823 | break; | |
824 | case BFD_MACH_O_BIND_OPCODE_DO_BIND_ULEB_TIMES_SKIPPING_ULEB: | |
5ad87552 | 825 | leb = read_leb128 (buf + i, buf + len, 0, &leblen, NULL); |
e89d3dee TG |
826 | printf ("do bind uleb times (%u)", (unsigned) leb); |
827 | i += leblen; | |
5ad87552 | 828 | leb = read_leb128 (buf + i, buf + len, 0, &leblen, NULL); |
e89d3dee TG |
829 | printf (" skipping uleb (%u)\n", (unsigned) leb); |
830 | i += leblen; | |
831 | break; | |
832 | default: | |
833 | printf ("unknown\n"); | |
834 | return; | |
835 | } | |
836 | } | |
837 | printf (" bind commands without end!\n"); | |
838 | } | |
839 | ||
840 | struct export_info_data | |
841 | { | |
842 | const unsigned char *name; | |
843 | struct export_info_data *next; | |
844 | }; | |
845 | ||
12fa714f | 846 | static void |
e89d3dee TG |
847 | dump_dyld_info_export_1 (bfd *abfd, unsigned char *buf, unsigned int len, |
848 | unsigned int off, struct export_info_data *parent, | |
849 | struct export_info_data *base) | |
850 | { | |
851 | bfd_vma size; | |
852 | unsigned int leblen; | |
853 | unsigned int child_count; | |
854 | unsigned int i; | |
855 | ||
5ad87552 | 856 | size = read_leb128 (buf + off, buf + len, 0, &leblen, NULL); |
e89d3dee TG |
857 | off += leblen; |
858 | ||
859 | if (size != 0) | |
860 | { | |
861 | bfd_vma flags; | |
862 | struct export_info_data *d; | |
863 | ||
5ad87552 | 864 | flags = read_leb128 (buf + off, buf + len, 0, &leblen, NULL); |
e89d3dee TG |
865 | off += leblen; |
866 | ||
867 | fputs (" ", stdout); | |
868 | switch (flags & BFD_MACH_O_EXPORT_SYMBOL_FLAGS_KIND_MASK) | |
869 | { | |
870 | case BFD_MACH_O_EXPORT_SYMBOL_FLAGS_KIND_REGULAR: | |
871 | putchar ('-'); | |
872 | break; | |
873 | case BFD_MACH_O_EXPORT_SYMBOL_FLAGS_KIND_THREAD_LOCAL: | |
874 | putchar ('T'); | |
875 | break; | |
876 | default: | |
877 | putchar ('?'); | |
878 | break; | |
879 | } | |
880 | putchar ((flags & BFD_MACH_O_EXPORT_SYMBOL_FLAGS_WEAK_DEFINITION) ? | |
881 | 'W' : '-'); | |
882 | ||
883 | if (flags & BFD_MACH_O_EXPORT_SYMBOL_FLAGS_REEXPORT) | |
884 | { | |
885 | bfd_vma lib; | |
886 | ||
5ad87552 | 887 | lib = read_leb128 (buf + off, buf + len, 0, &leblen, NULL); |
e89d3dee TG |
888 | off += leblen; |
889 | ||
890 | fputs (" [reexport] ", stdout); | |
891 | for (d = base; d != NULL; d = d->next) | |
892 | printf ("%s", d->name); | |
893 | ||
894 | fputs (" (", stdout); | |
895 | if (buf[off] != 0) | |
896 | { | |
897 | fputs ((const char *)buf + off, stdout); | |
898 | putchar (' '); | |
899 | off += strlen ((const char *)buf + off); | |
900 | } | |
901 | printf ("from dylib %u)\n", (unsigned) lib); | |
902 | off++; | |
903 | } | |
904 | else | |
905 | { | |
906 | bfd_vma offset; | |
907 | bfd_vma resolv = 0; | |
908 | ||
5ad87552 | 909 | offset = read_leb128 (buf + off, buf + len, 0, &leblen, NULL); |
e89d3dee TG |
910 | off += leblen; |
911 | ||
912 | if (flags & BFD_MACH_O_EXPORT_SYMBOL_FLAGS_STUB_AND_RESOLVER) | |
913 | { | |
5ad87552 | 914 | resolv = read_leb128 (buf + off, buf + len, 0, &leblen, NULL); |
e89d3dee TG |
915 | off += leblen; |
916 | } | |
917 | ||
918 | printf (" 0x%08x ", (unsigned) offset); | |
919 | for (d = base; d != NULL; d = d->next) | |
920 | printf ("%s", d->name); | |
921 | if (flags & BFD_MACH_O_EXPORT_SYMBOL_FLAGS_STUB_AND_RESOLVER) | |
922 | printf (" [resolv: 0x%08x]", (unsigned) resolv); | |
923 | printf ("\n"); | |
924 | } | |
925 | } | |
926 | ||
5ad87552 | 927 | child_count = read_leb128 (buf + off, buf + len, 0, &leblen, NULL); |
e89d3dee TG |
928 | off += leblen; |
929 | ||
930 | for (i = 0; i < child_count; i++) | |
931 | { | |
932 | struct export_info_data sub_data; | |
933 | bfd_vma sub_off; | |
934 | ||
935 | sub_data.name = buf + off; | |
936 | sub_data.next = NULL; | |
937 | parent->next = &sub_data; | |
938 | ||
939 | off += strlen ((const char *)buf + off) + 1; | |
940 | ||
5ad87552 | 941 | sub_off = read_leb128 (buf + off, buf + len, 0, &leblen, NULL); |
e89d3dee TG |
942 | off += leblen; |
943 | ||
944 | dump_dyld_info_export_1 (abfd, buf, len, sub_off, &sub_data, base); | |
945 | } | |
946 | } | |
947 | ||
948 | static void | |
949 | dump_dyld_info_export (bfd *abfd, unsigned char *buf, unsigned int len, | |
950 | ufile_ptr off ATTRIBUTE_UNUSED) | |
951 | { | |
952 | struct export_info_data data; | |
953 | ||
954 | data.name = (const unsigned char *) ""; | |
955 | data.next = NULL; | |
956 | ||
957 | printf (" fl offset sym (Flags: Tls Weak)\n"); | |
958 | dump_dyld_info_export_1 (abfd, buf, len, 0, &data, &data); | |
959 | } | |
960 | ||
961 | static void | |
962 | dump_dyld_info (bfd *abfd, bfd_mach_o_load_command *cmd, | |
015dc7e1 | 963 | bool verbose) |
12fa714f | 964 | { |
16412c3b | 965 | bfd_mach_o_dyld_info_command *dinfo = &cmd->command.dyld_info; |
12fa714f | 966 | |
47f8a107 | 967 | printf (" rebase: off: 0x%08x size: %-8u (endoff: 0x%08x)\n", |
16412c3b AM |
968 | dinfo->rebase_off, dinfo->rebase_size, |
969 | dinfo->rebase_off + dinfo->rebase_size); | |
47f8a107 | 970 | printf (" bind: off: 0x%08x size: %-8u (endoff: 0x%08x)\n", |
16412c3b AM |
971 | dinfo->bind_off, dinfo->bind_size, |
972 | dinfo->bind_off + dinfo->bind_size); | |
47f8a107 | 973 | printf (" weak bind: off: 0x%08x size: %-8u (endoff: 0x%08x)\n", |
16412c3b AM |
974 | dinfo->weak_bind_off, dinfo->weak_bind_size, |
975 | dinfo->weak_bind_off + dinfo->weak_bind_size); | |
47f8a107 | 976 | printf (" lazy bind: off: 0x%08x size: %-8u (endoff: 0x%08x)\n", |
16412c3b AM |
977 | dinfo->lazy_bind_off, dinfo->lazy_bind_size, |
978 | dinfo->lazy_bind_off + dinfo->lazy_bind_size); | |
47f8a107 | 979 | printf (" export: off: 0x%08x size: %-8u (endoff: 0x%08x)\n", |
16412c3b AM |
980 | dinfo->export_off, dinfo->export_size, |
981 | dinfo->export_off + dinfo->export_size); | |
e89d3dee TG |
982 | |
983 | if (!verbose) | |
984 | return; | |
985 | ||
986 | printf (" rebase:\n"); | |
16412c3b | 987 | if (!load_and_dump (abfd, dinfo->rebase_off, dinfo->rebase_size, |
e89d3dee TG |
988 | dump_dyld_info_rebase)) |
989 | non_fatal (_("cannot read rebase dyld info")); | |
990 | ||
991 | printf (" bind:\n"); | |
16412c3b | 992 | if (!load_and_dump (abfd, dinfo->bind_off, dinfo->bind_size, |
e89d3dee TG |
993 | dump_dyld_info_bind)) |
994 | non_fatal (_("cannot read bind dyld info")); | |
995 | ||
996 | printf (" weak bind:\n"); | |
16412c3b | 997 | if (!load_and_dump (abfd, dinfo->weak_bind_off, dinfo->weak_bind_size, |
e89d3dee TG |
998 | dump_dyld_info_bind)) |
999 | non_fatal (_("cannot read weak bind dyld info")); | |
1000 | ||
1001 | printf (" lazy bind:\n"); | |
16412c3b | 1002 | if (!load_and_dump (abfd, dinfo->lazy_bind_off, dinfo->lazy_bind_size, |
e89d3dee TG |
1003 | dump_dyld_info_bind)) |
1004 | non_fatal (_("cannot read lazy bind dyld info")); | |
1005 | ||
1006 | printf (" exported symbols:\n"); | |
16412c3b | 1007 | if (!load_and_dump (abfd, dinfo->export_off, dinfo->export_size, |
e89d3dee TG |
1008 | dump_dyld_info_export)) |
1009 | non_fatal (_("cannot read export symbols dyld info")); | |
12fa714f TG |
1010 | } |
1011 | ||
1012 | static void | |
1013 | dump_thread (bfd *abfd, bfd_mach_o_load_command *cmd) | |
1014 | { | |
1015 | bfd_mach_o_thread_command *thread = &cmd->command.thread; | |
1016 | unsigned int j; | |
1017 | bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd); | |
1018 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
1019 | ||
1020 | printf (" nflavours: %lu\n", thread->nflavours); | |
1021 | for (j = 0; j < thread->nflavours; j++) | |
1022 | { | |
1023 | bfd_mach_o_thread_flavour *flavour = &thread->flavours[j]; | |
1024 | const bfd_mach_o_xlat_name *name_table; | |
1025 | ||
1026 | printf (" %2u: flavour: 0x%08lx", j, flavour->flavour); | |
1027 | switch (mdata->header.cputype) | |
1028 | { | |
1029 | case BFD_MACH_O_CPU_TYPE_I386: | |
1030 | case BFD_MACH_O_CPU_TYPE_X86_64: | |
1031 | name_table = bfd_mach_o_thread_x86_name; | |
1032 | break; | |
1033 | default: | |
1034 | name_table = NULL; | |
1035 | break; | |
1036 | } | |
1037 | if (name_table != NULL) | |
1038 | printf (": %s", bfd_mach_o_get_name (name_table, flavour->flavour)); | |
1039 | putchar ('\n'); | |
1040 | ||
1041 | printf (" offset: 0x%08lx size: 0x%08lx\n", | |
1042 | flavour->offset, flavour->size); | |
1043 | if (bed->_bfd_mach_o_print_thread) | |
1044 | { | |
1045 | char *buf = xmalloc (flavour->size); | |
1046 | ||
2634e8c8 TG |
1047 | if (bfd_seek (abfd, flavour->offset, SEEK_SET) == 0 |
1048 | && bfd_bread (buf, flavour->size, abfd) == flavour->size) | |
12fa714f | 1049 | (*bed->_bfd_mach_o_print_thread)(abfd, flavour, stdout, buf); |
2634e8c8 | 1050 | |
12fa714f TG |
1051 | free (buf); |
1052 | } | |
1053 | } | |
1054 | } | |
1055 | ||
2634e8c8 TG |
1056 | static const bfd_mach_o_xlat_name bfd_mach_o_cs_magic[] = |
1057 | { | |
1058 | { "embedded signature", BFD_MACH_O_CS_MAGIC_EMBEDDED_SIGNATURE }, | |
1059 | { "requirement", BFD_MACH_O_CS_MAGIC_REQUIREMENT }, | |
1060 | { "requirements", BFD_MACH_O_CS_MAGIC_REQUIREMENTS }, | |
1061 | { "code directory", BFD_MACH_O_CS_MAGIC_CODEDIRECTORY }, | |
1062 | { "embedded entitlements", BFD_MACH_O_CS_MAGIC_EMBEDDED_ENTITLEMENTS }, | |
1063 | { "blob wrapper", BFD_MACH_O_CS_MAGIC_BLOB_WRAPPER }, | |
1064 | { NULL, 0 } | |
1065 | }; | |
1066 | ||
1067 | static const bfd_mach_o_xlat_name bfd_mach_o_cs_hash_type[] = | |
1068 | { | |
1069 | { "no-hash", BFD_MACH_O_CS_NO_HASH }, | |
1070 | { "sha1", BFD_MACH_O_CS_HASH_SHA1 }, | |
1071 | { "sha256", BFD_MACH_O_CS_HASH_SHA256 }, | |
1072 | { "skein 160", BFD_MACH_O_CS_HASH_PRESTANDARD_SKEIN_160x256 }, | |
1073 | { "skein 256", BFD_MACH_O_CS_HASH_PRESTANDARD_SKEIN_256x512 }, | |
1074 | { NULL, 0 } | |
1075 | }; | |
1076 | ||
1077 | static unsigned int | |
1078 | dump_code_signature_blob (bfd *abfd, const unsigned char *buf, unsigned int len); | |
1079 | ||
1080 | static void | |
1081 | dump_code_signature_superblob (bfd *abfd ATTRIBUTE_UNUSED, | |
1082 | const unsigned char *buf, unsigned int len) | |
1083 | { | |
1084 | unsigned int count; | |
1085 | unsigned int i; | |
1086 | ||
1087 | if (len < 12) | |
1088 | { | |
1089 | printf (_(" [bad block length]\n")); | |
1090 | return; | |
1091 | } | |
1092 | count = bfd_getb32 (buf + 8); | |
d3a49aa8 AM |
1093 | printf (ngettext (" %u index entry:\n", |
1094 | " %u index entries:\n", | |
1095 | count), | |
1096 | count); | |
2634e8c8 TG |
1097 | if (len < 12 + 8 * count) |
1098 | { | |
1099 | printf (_(" [bad block length]\n")); | |
1100 | return; | |
1101 | } | |
1102 | for (i = 0; i < count; i++) | |
1103 | { | |
1104 | unsigned int type; | |
1105 | unsigned int off; | |
1106 | ||
1107 | type = bfd_getb32 (buf + 12 + 8 * i); | |
1108 | off = bfd_getb32 (buf + 12 + 8 * i + 4); | |
1109 | printf (_(" index entry %u: type: %08x, offset: %08x\n"), | |
1110 | i, type, off); | |
1111 | ||
1112 | dump_code_signature_blob (abfd, buf + off, len - off); | |
1113 | } | |
1114 | } | |
1115 | ||
1116 | static void | |
1117 | swap_code_codedirectory_v1_in | |
1118 | (const struct mach_o_codesign_codedirectory_external_v1 *src, | |
1119 | struct mach_o_codesign_codedirectory_v1 *dst) | |
1120 | { | |
1121 | dst->version = bfd_getb32 (src->version); | |
1122 | dst->flags = bfd_getb32 (src->flags); | |
1123 | dst->hash_offset = bfd_getb32 (src->hash_offset); | |
1124 | dst->ident_offset = bfd_getb32 (src->ident_offset); | |
1125 | dst->nbr_special_slots = bfd_getb32 (src->nbr_special_slots); | |
1126 | dst->nbr_code_slots = bfd_getb32 (src->nbr_code_slots); | |
1127 | dst->code_limit = bfd_getb32 (src->code_limit); | |
1128 | dst->hash_size = src->hash_size[0]; | |
1129 | dst->hash_type = src->hash_type[0]; | |
1130 | dst->spare1 = src->spare1[0]; | |
1131 | dst->page_size = src->page_size[0]; | |
1132 | dst->spare2 = bfd_getb32 (src->spare2); | |
1133 | } | |
1134 | ||
1135 | static void | |
1136 | hexdump (unsigned int start, unsigned int len, | |
1137 | const unsigned char *buf) | |
1138 | { | |
1139 | unsigned int i, j; | |
1140 | ||
1141 | for (i = 0; i < len; i += 16) | |
1142 | { | |
1143 | printf ("%08x:", start + i); | |
1144 | for (j = 0; j < 16; j++) | |
1145 | { | |
1146 | fputc (j == 8 ? '-' : ' ', stdout); | |
1147 | if (i + j < len) | |
1148 | printf ("%02x", buf[i + j]); | |
1149 | else | |
1150 | fputs (" ", stdout); | |
1151 | } | |
1152 | fputc (' ', stdout); | |
1153 | for (j = 0; j < 16; j++) | |
1154 | { | |
1155 | if (i + j < len) | |
1156 | fputc (ISPRINT (buf[i + j]) ? buf[i + j] : '.', stdout); | |
1157 | else | |
1158 | fputc (' ', stdout); | |
1159 | } | |
1160 | fputc ('\n', stdout); | |
1161 | } | |
1162 | } | |
1163 | ||
1164 | static void | |
1165 | dump_code_signature_codedirectory (bfd *abfd ATTRIBUTE_UNUSED, | |
1166 | const unsigned char *buf, unsigned int len) | |
1167 | { | |
1168 | struct mach_o_codesign_codedirectory_v1 cd; | |
1169 | const char *id; | |
1170 | ||
1171 | if (len < sizeof (struct mach_o_codesign_codedirectory_external_v1)) | |
1172 | { | |
1173 | printf (_(" [bad block length]\n")); | |
1174 | return; | |
1175 | } | |
1176 | ||
1177 | swap_code_codedirectory_v1_in | |
1178 | ((const struct mach_o_codesign_codedirectory_external_v1 *) (buf + 8), &cd); | |
1179 | ||
1180 | printf (_(" version: %08x\n"), cd.version); | |
1181 | printf (_(" flags: %08x\n"), cd.flags); | |
1182 | printf (_(" hash offset: %08x\n"), cd.hash_offset); | |
1183 | id = (const char *) buf + cd.ident_offset; | |
1184 | printf (_(" ident offset: %08x (- %08x)\n"), | |
1185 | cd.ident_offset, cd.ident_offset + (unsigned) strlen (id) + 1); | |
1186 | printf (_(" identity: %s\n"), id); | |
1187 | printf (_(" nbr special slots: %08x (at offset %08x)\n"), | |
1188 | cd.nbr_special_slots, | |
1189 | cd.hash_offset - cd.nbr_special_slots * cd.hash_size); | |
1190 | printf (_(" nbr code slots: %08x\n"), cd.nbr_code_slots); | |
1191 | printf (_(" code limit: %08x\n"), cd.code_limit); | |
1192 | printf (_(" hash size: %02x\n"), cd.hash_size); | |
1193 | printf (_(" hash type: %02x (%s)\n"), | |
1194 | cd.hash_type, | |
1195 | bfd_mach_o_get_name (bfd_mach_o_cs_hash_type, cd.hash_type)); | |
1196 | printf (_(" spare1: %02x\n"), cd.spare1); | |
1197 | printf (_(" page size: %02x\n"), cd.page_size); | |
1198 | printf (_(" spare2: %08x\n"), cd.spare2); | |
1199 | if (cd.version >= 0x20100) | |
1200 | printf (_(" scatter offset: %08x\n"), | |
1201 | (unsigned) bfd_getb32 (buf + 44)); | |
1202 | } | |
1203 | ||
1204 | static unsigned int | |
1205 | dump_code_signature_blob (bfd *abfd, const unsigned char *buf, unsigned int len) | |
1206 | { | |
1207 | unsigned int magic; | |
1208 | unsigned int length; | |
1209 | ||
1210 | if (len < 8) | |
1211 | { | |
1212 | printf (_(" [truncated block]\n")); | |
1213 | return 0; | |
1214 | } | |
1215 | magic = bfd_getb32 (buf); | |
1216 | length = bfd_getb32 (buf + 4); | |
1217 | if (magic == 0 || length == 0) | |
1218 | return 0; | |
1219 | ||
1220 | printf (_(" magic : %08x (%s)\n"), magic, | |
1221 | bfd_mach_o_get_name (bfd_mach_o_cs_magic, magic)); | |
1222 | printf (_(" length: %08x\n"), length); | |
1223 | if (length > len) | |
1224 | { | |
1225 | printf (_(" [bad block length]\n")); | |
1226 | return 0; | |
1227 | } | |
1228 | ||
1229 | switch (magic) | |
1230 | { | |
1231 | case BFD_MACH_O_CS_MAGIC_EMBEDDED_SIGNATURE: | |
1232 | dump_code_signature_superblob (abfd, buf, length); | |
1233 | break; | |
1234 | case BFD_MACH_O_CS_MAGIC_CODEDIRECTORY: | |
1235 | dump_code_signature_codedirectory (abfd, buf, length); | |
1236 | break; | |
1237 | default: | |
1238 | hexdump (0, length - 8, buf + 8); | |
1239 | break; | |
1240 | } | |
1241 | return length; | |
1242 | } | |
1243 | ||
1244 | static void | |
1245 | dump_code_signature (bfd *abfd, bfd_mach_o_linkedit_command *cmd) | |
1246 | { | |
1247 | unsigned char *buf = xmalloc (cmd->datasize); | |
1248 | unsigned int off; | |
1249 | ||
1250 | if (bfd_seek (abfd, cmd->dataoff, SEEK_SET) != 0 | |
1251 | || bfd_bread (buf, cmd->datasize, abfd) != cmd->datasize) | |
1252 | { | |
1253 | non_fatal (_("cannot read code signature data")); | |
1254 | free (buf); | |
1255 | return; | |
1256 | } | |
1257 | for (off = 0; off < cmd->datasize;) | |
1258 | { | |
1259 | unsigned int len; | |
1260 | ||
1261 | len = dump_code_signature_blob (abfd, buf + off, cmd->datasize - off); | |
1262 | ||
1263 | if (len == 0) | |
1264 | break; | |
1265 | off += len; | |
1266 | } | |
1267 | free (buf); | |
1268 | } | |
1269 | ||
2128eb39 TG |
1270 | static void |
1271 | dump_segment_split_info (bfd *abfd, bfd_mach_o_linkedit_command *cmd) | |
1272 | { | |
1273 | unsigned char *buf = xmalloc (cmd->datasize); | |
1274 | unsigned char *p; | |
1275 | unsigned int len; | |
1276 | bfd_vma addr = 0; | |
1277 | ||
1278 | if (bfd_seek (abfd, cmd->dataoff, SEEK_SET) != 0 | |
1279 | || bfd_bread (buf, cmd->datasize, abfd) != cmd->datasize) | |
1280 | { | |
1281 | non_fatal (_("cannot read segment split info")); | |
1282 | free (buf); | |
1283 | return; | |
1284 | } | |
1285 | if (buf[cmd->datasize - 1] != 0) | |
1286 | { | |
1287 | non_fatal (_("segment split info is not nul terminated")); | |
1288 | free (buf); | |
1289 | return; | |
1290 | } | |
1291 | ||
1292 | switch (buf[0]) | |
1293 | { | |
1294 | case 0: | |
1295 | printf (_(" 32 bit pointers:\n")); | |
1296 | break; | |
1297 | case 1: | |
1298 | printf (_(" 64 bit pointers:\n")); | |
1299 | break; | |
1300 | case 2: | |
1301 | printf (_(" PPC hi-16:\n")); | |
1302 | break; | |
1303 | default: | |
1304 | printf (_(" Unhandled location type %u\n"), buf[0]); | |
1305 | break; | |
1306 | } | |
1307 | for (p = buf + 1; *p != 0; p += len) | |
1308 | { | |
5ad87552 | 1309 | addr += read_leb128 (p, buf + cmd->datasize, 0, &len, NULL); |
2128eb39 TG |
1310 | fputs (" ", stdout); |
1311 | bfd_printf_vma (abfd, addr); | |
1312 | putchar ('\n'); | |
1313 | } | |
1314 | free (buf); | |
1315 | } | |
1316 | ||
3cc27770 TG |
1317 | static void |
1318 | dump_function_starts (bfd *abfd, bfd_mach_o_linkedit_command *cmd) | |
1319 | { | |
1320 | unsigned char *buf = xmalloc (cmd->datasize); | |
1321 | unsigned char *end_buf = buf + cmd->datasize; | |
1322 | unsigned char *p; | |
1323 | bfd_vma addr; | |
1324 | ||
1325 | if (bfd_seek (abfd, cmd->dataoff, SEEK_SET) != 0 | |
1326 | || bfd_bread (buf, cmd->datasize, abfd) != cmd->datasize) | |
1327 | { | |
1328 | non_fatal (_("cannot read function starts")); | |
1329 | free (buf); | |
1330 | return; | |
1331 | } | |
1332 | ||
1333 | /* Function starts are delta encoded, starting from the base address. */ | |
1334 | addr = bfd_mach_o_get_base_address (abfd); | |
1335 | ||
1336 | for (p = buf; ;) | |
1337 | { | |
1338 | bfd_vma delta = 0; | |
1339 | unsigned int shift = 0; | |
1340 | ||
1341 | if (*p == 0 || p == end_buf) | |
1342 | break; | |
1343 | while (1) | |
1344 | { | |
1345 | unsigned char b = *p++; | |
1346 | ||
1347 | delta |= (b & 0x7f) << shift; | |
1348 | if ((b & 0x80) == 0) | |
1349 | break; | |
1350 | if (p == end_buf) | |
1351 | { | |
1352 | fputs (" [truncated]\n", stdout); | |
1353 | break; | |
1354 | } | |
1355 | shift += 7; | |
1356 | } | |
1357 | ||
1358 | addr += delta; | |
1359 | fputs (" ", stdout); | |
1360 | bfd_printf_vma (abfd, addr); | |
1361 | putchar ('\n'); | |
1362 | } | |
1363 | free (buf); | |
1364 | } | |
1365 | ||
c275b681 TG |
1366 | static const bfd_mach_o_xlat_name data_in_code_kind_name[] = |
1367 | { | |
1368 | { "data", BFD_MACH_O_DICE_KIND_DATA }, | |
1369 | { "1 byte jump table", BFD_MACH_O_DICE_JUMP_TABLES8 }, | |
1370 | { "2 bytes jump table", BFD_MACH_O_DICE_JUMP_TABLES16 }, | |
1371 | { "4 bytes jump table", BFD_MACH_O_DICE_JUMP_TABLES32 }, | |
1372 | { "4 bytes abs jump table", BFD_MACH_O_DICE_ABS_JUMP_TABLES32 }, | |
1373 | { NULL, 0 } | |
1374 | }; | |
1375 | ||
1376 | static void | |
1377 | dump_data_in_code (bfd *abfd, bfd_mach_o_linkedit_command *cmd) | |
1378 | { | |
1379 | unsigned char *buf; | |
1380 | unsigned char *p; | |
1381 | ||
1382 | if (cmd->datasize == 0) | |
1383 | { | |
1384 | printf (" no data_in_code entries\n"); | |
1385 | return; | |
1386 | } | |
1387 | ||
1388 | buf = xmalloc (cmd->datasize); | |
1389 | if (bfd_seek (abfd, cmd->dataoff, SEEK_SET) != 0 | |
1390 | || bfd_bread (buf, cmd->datasize, abfd) != cmd->datasize) | |
1391 | { | |
7a79c514 | 1392 | non_fatal (_("cannot read data_in_code")); |
c275b681 TG |
1393 | free (buf); |
1394 | return; | |
1395 | } | |
1396 | ||
1397 | printf (" offset length kind\n"); | |
1398 | for (p = buf; p < buf + cmd->datasize; ) | |
1399 | { | |
1400 | struct mach_o_data_in_code_entry_external *dice; | |
1401 | unsigned int offset; | |
1402 | unsigned int length; | |
1403 | unsigned int kind; | |
1404 | ||
1405 | dice = (struct mach_o_data_in_code_entry_external *) p; | |
1406 | ||
1407 | offset = bfd_get_32 (abfd, dice->offset); | |
1408 | length = bfd_get_16 (abfd, dice->length); | |
1409 | kind = bfd_get_16 (abfd, dice->kind); | |
1410 | ||
1411 | printf (" 0x%08x 0x%04x 0x%04x %s\n", offset, length, kind, | |
1412 | bfd_mach_o_get_name (data_in_code_kind_name, kind)); | |
1413 | ||
1414 | p += sizeof (*dice); | |
1415 | } | |
1416 | free (buf); | |
1417 | } | |
1418 | ||
7a79c514 TG |
1419 | static void |
1420 | dump_twolevel_hints (bfd *abfd, bfd_mach_o_twolevel_hints_command *cmd) | |
1421 | { | |
1422 | size_t sz = 4 * cmd->nhints; | |
1423 | unsigned char *buf; | |
1424 | unsigned char *p; | |
1425 | ||
1426 | buf = xmalloc (sz); | |
1427 | if (bfd_seek (abfd, cmd->offset, SEEK_SET) != 0 | |
1428 | || bfd_bread (buf, sz, abfd) != sz) | |
1429 | { | |
1430 | non_fatal (_("cannot read twolevel hints")); | |
1431 | free (buf); | |
1432 | return; | |
1433 | } | |
1434 | ||
1435 | for (p = buf; p < buf + sz; p += 4) | |
1436 | { | |
1437 | unsigned int v; | |
1438 | unsigned int isub_image; | |
1439 | unsigned int itoc; | |
1440 | ||
1441 | v = bfd_get_32 (abfd, p); | |
1442 | if (bfd_big_endian (abfd)) | |
1443 | { | |
1444 | isub_image = (v >> 24) & 0xff; | |
1445 | itoc = v & 0xffffff; | |
1446 | } | |
1447 | else | |
1448 | { | |
1449 | isub_image = v & 0xff; | |
1450 | itoc = (v >> 8) & 0xffffff; | |
1451 | } | |
1452 | ||
1453 | printf (" %3u %8u\n", isub_image, itoc); | |
1454 | } | |
1455 | free (buf); | |
1456 | } | |
1457 | ||
fc7b364a RB |
1458 | static void |
1459 | printf_version (uint32_t version) | |
1460 | { | |
1461 | uint32_t maj, min, upd; | |
1462 | ||
1463 | maj = (version >> 16) & 0xffff; | |
1464 | min = (version >> 8) & 0xff; | |
1465 | upd = version & 0xff; | |
1466 | ||
1467 | printf ("%u.%u.%u", maj, min, upd); | |
1468 | } | |
1469 | ||
1470 | static void | |
1471 | dump_build_version (bfd *abfd, bfd_mach_o_load_command *cmd) | |
1472 | { | |
1473 | const char *platform_name; | |
1474 | size_t tools_len, tools_offset; | |
1475 | bfd_mach_o_build_version_tool *tools, *tool; | |
1476 | bfd_mach_o_build_version_command *ver = &cmd->command.build_version; | |
1477 | uint32_t i; | |
1478 | ||
1479 | platform_name = bfd_mach_o_get_name_or_null | |
1480 | (bfd_mach_o_platform_name, ver->platform); | |
1481 | if (platform_name == NULL) | |
1482 | printf (" platform: 0x%08x\n", ver->platform); | |
1483 | else | |
1484 | printf (" platform: %s\n", platform_name); | |
1485 | printf (" os: "); | |
1486 | printf_version (ver->minos); | |
1487 | printf ("\n sdk: "); | |
1488 | printf_version (ver->sdk); | |
1489 | printf ("\n ntools: %u\n", ver->ntools); | |
1490 | ||
1491 | tools_len = sizeof (bfd_mach_o_build_version_tool) * ver->ntools; | |
1492 | tools_offset = cmd->offset + cmd->len - tools_len; | |
1493 | ||
1494 | tools = xmalloc (tools_len); | |
1495 | if (bfd_seek (abfd, tools_offset, SEEK_SET) != 0 | |
1496 | || bfd_bread (tools, tools_len, abfd) != tools_len) | |
1497 | { | |
1498 | non_fatal (_("cannot read build tools")); | |
1499 | free (tools); | |
1500 | return; | |
1501 | } | |
1502 | ||
1503 | for (i = 0, tool = tools; i < ver->ntools; i++, tool++) | |
1504 | { | |
1505 | const char * tool_name; | |
1506 | ||
1507 | tool_name = bfd_mach_o_get_name_or_null | |
1508 | (bfd_mach_o_tool_name, tool->tool); | |
1509 | if (tool_name == NULL) | |
1510 | printf (" tool: 0x%08x\n", tool->tool); | |
1511 | else | |
1512 | printf (" tool: %s\n", tool_name); | |
1513 | printf (" version: "); | |
1514 | printf_version (tool->version); | |
1515 | printf ("\n"); | |
1516 | } | |
1517 | free (tools); | |
1518 | } | |
1519 | ||
12fa714f TG |
1520 | static void |
1521 | dump_load_command (bfd *abfd, bfd_mach_o_load_command *cmd, | |
015dc7e1 | 1522 | unsigned int idx, bool verbose) |
12fa714f TG |
1523 | { |
1524 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
1525 | const char *cmd_name; | |
1526 | ||
1527 | cmd_name = bfd_mach_o_get_name_or_null | |
1528 | (bfd_mach_o_load_command_name, cmd->type); | |
47f8a107 TG |
1529 | printf ("Load command #%-2u (size: %3u, offset: %4u): ", |
1530 | idx, cmd->len, cmd->offset); | |
12fa714f | 1531 | if (cmd_name == NULL) |
47f8a107 | 1532 | printf ("0x%02x\n", cmd->type); |
12fa714f | 1533 | else |
47f8a107 | 1534 | printf ("%s\n", cmd_name); |
12fa714f TG |
1535 | |
1536 | switch (cmd->type) | |
1537 | { | |
1538 | case BFD_MACH_O_LC_SEGMENT: | |
1539 | case BFD_MACH_O_LC_SEGMENT_64: | |
1540 | dump_segment (abfd, cmd); | |
1541 | break; | |
1542 | case BFD_MACH_O_LC_UUID: | |
1543 | { | |
1544 | bfd_mach_o_uuid_command *uuid = &cmd->command.uuid; | |
1545 | unsigned int j; | |
1546 | ||
47f8a107 | 1547 | printf (" "); |
12fa714f TG |
1548 | for (j = 0; j < sizeof (uuid->uuid); j ++) |
1549 | printf (" %02x", uuid->uuid[j]); | |
1550 | putchar ('\n'); | |
1551 | } | |
1552 | break; | |
1553 | case BFD_MACH_O_LC_LOAD_DYLIB: | |
fbe383b9 | 1554 | case BFD_MACH_O_LC_LAZY_LOAD_DYLIB: |
12fa714f TG |
1555 | case BFD_MACH_O_LC_LOAD_WEAK_DYLIB: |
1556 | case BFD_MACH_O_LC_REEXPORT_DYLIB: | |
1557 | case BFD_MACH_O_LC_ID_DYLIB: | |
1558 | case BFD_MACH_O_LC_LOAD_UPWARD_DYLIB: | |
1559 | { | |
1560 | bfd_mach_o_dylib_command *dylib = &cmd->command.dylib; | |
47f8a107 | 1561 | printf (" name: %s\n", dylib->name_str); |
12fa714f TG |
1562 | printf (" time stamp: 0x%08lx\n", |
1563 | dylib->timestamp); | |
1564 | printf (" current version: 0x%08lx\n", | |
1565 | dylib->current_version); | |
1566 | printf (" comptibility version: 0x%08lx\n", | |
1567 | dylib->compatibility_version); | |
12fa714f | 1568 | } |
9f4a5bd1 | 1569 | break; |
12fa714f TG |
1570 | case BFD_MACH_O_LC_LOAD_DYLINKER: |
1571 | case BFD_MACH_O_LC_ID_DYLINKER: | |
47f8a107 | 1572 | printf (" %s\n", cmd->command.dylinker.name_str); |
12fa714f | 1573 | break; |
10be66a4 | 1574 | case BFD_MACH_O_LC_DYLD_ENVIRONMENT: |
47f8a107 | 1575 | printf (" %s\n", cmd->command.dylinker.name_str); |
10be66a4 | 1576 | break; |
12fa714f TG |
1577 | case BFD_MACH_O_LC_SYMTAB: |
1578 | { | |
1579 | bfd_mach_o_symtab_command *symtab = &cmd->command.symtab; | |
47f8a107 | 1580 | printf (" symoff: 0x%08x nsyms: %8u (endoff: 0x%08x)\n", |
12fa714f TG |
1581 | symtab->symoff, symtab->nsyms, |
1582 | symtab->symoff + symtab->nsyms | |
1583 | * (mdata->header.version == 2 | |
1584 | ? BFD_MACH_O_NLIST_64_SIZE : BFD_MACH_O_NLIST_SIZE)); | |
1585 | printf (" stroff: 0x%08x strsize: %8u (endoff: 0x%08x)\n", | |
1586 | symtab->stroff, symtab->strsize, | |
1587 | symtab->stroff + symtab->strsize); | |
1588 | break; | |
1589 | } | |
1590 | case BFD_MACH_O_LC_DYSYMTAB: | |
12fa714f TG |
1591 | dump_dysymtab (abfd, cmd, verbose); |
1592 | break; | |
9f4a5bd1 TG |
1593 | case BFD_MACH_O_LC_LOADFVMLIB: |
1594 | case BFD_MACH_O_LC_IDFVMLIB: | |
1595 | { | |
1596 | bfd_mach_o_fvmlib_command *fvmlib = &cmd->command.fvmlib; | |
47f8a107 | 1597 | printf (" fvmlib: %s\n", fvmlib->name_str); |
9f4a5bd1 TG |
1598 | printf (" minor version: 0x%08x\n", fvmlib->minor_version); |
1599 | printf (" header address: 0x%08x\n", fvmlib->header_addr); | |
1600 | } | |
1601 | break; | |
12fa714f TG |
1602 | case BFD_MACH_O_LC_CODE_SIGNATURE: |
1603 | case BFD_MACH_O_LC_SEGMENT_SPLIT_INFO: | |
1604 | case BFD_MACH_O_LC_FUNCTION_STARTS: | |
10be66a4 TG |
1605 | case BFD_MACH_O_LC_DATA_IN_CODE: |
1606 | case BFD_MACH_O_LC_DYLIB_CODE_SIGN_DRS: | |
d768f160 SJ |
1607 | case BFD_MACH_O_LC_DYLD_EXPORTS_TRIE: |
1608 | case BFD_MACH_O_LC_DYLD_CHAINED_FIXUPS: | |
12fa714f TG |
1609 | { |
1610 | bfd_mach_o_linkedit_command *linkedit = &cmd->command.linkedit; | |
1611 | printf | |
47f8a107 | 1612 | (" dataoff: 0x%08lx datasize: 0x%08lx (endoff: 0x%08lx)\n", |
12fa714f TG |
1613 | linkedit->dataoff, linkedit->datasize, |
1614 | linkedit->dataoff + linkedit->datasize); | |
2634e8c8 | 1615 | |
c275b681 TG |
1616 | if (verbose) |
1617 | switch (cmd->type) | |
1618 | { | |
1619 | case BFD_MACH_O_LC_CODE_SIGNATURE: | |
1620 | dump_code_signature (abfd, linkedit); | |
1621 | break; | |
1622 | case BFD_MACH_O_LC_SEGMENT_SPLIT_INFO: | |
1623 | dump_segment_split_info (abfd, linkedit); | |
1624 | break; | |
1625 | case BFD_MACH_O_LC_FUNCTION_STARTS: | |
1626 | dump_function_starts (abfd, linkedit); | |
1627 | break; | |
1628 | case BFD_MACH_O_LC_DATA_IN_CODE: | |
1629 | dump_data_in_code (abfd, linkedit); | |
1630 | break; | |
1631 | default: | |
1632 | break; | |
1633 | } | |
12fa714f | 1634 | } |
c275b681 | 1635 | break; |
12fa714f TG |
1636 | case BFD_MACH_O_LC_SUB_FRAMEWORK: |
1637 | case BFD_MACH_O_LC_SUB_UMBRELLA: | |
1638 | case BFD_MACH_O_LC_SUB_LIBRARY: | |
1639 | case BFD_MACH_O_LC_SUB_CLIENT: | |
1640 | case BFD_MACH_O_LC_RPATH: | |
1641 | { | |
16412c3b AM |
1642 | bfd_mach_o_str_command *strc = &cmd->command.str; |
1643 | printf (" %s\n", strc->str); | |
12fa714f TG |
1644 | break; |
1645 | } | |
1646 | case BFD_MACH_O_LC_THREAD: | |
1647 | case BFD_MACH_O_LC_UNIXTHREAD: | |
1648 | dump_thread (abfd, cmd); | |
1649 | break; | |
fc55a902 TG |
1650 | case BFD_MACH_O_LC_ENCRYPTION_INFO: |
1651 | { | |
1652 | bfd_mach_o_encryption_info_command *cryp = | |
1653 | &cmd->command.encryption_info; | |
e89d3dee TG |
1654 | printf (" cryptoff: 0x%08x cryptsize: 0x%08x (endoff 0x%08x)" |
1655 | " cryptid: %u\n", | |
1656 | cryp->cryptoff, cryp->cryptsize, | |
1657 | cryp->cryptoff + cryp->cryptsize, | |
1658 | cryp->cryptid); | |
fc55a902 TG |
1659 | } |
1660 | break; | |
12fa714f | 1661 | case BFD_MACH_O_LC_DYLD_INFO: |
e89d3dee | 1662 | dump_dyld_info (abfd, cmd, verbose); |
12fa714f TG |
1663 | break; |
1664 | case BFD_MACH_O_LC_VERSION_MIN_MACOSX: | |
1665 | case BFD_MACH_O_LC_VERSION_MIN_IPHONEOS: | |
fc7b364a RB |
1666 | case BFD_MACH_O_LC_VERSION_MIN_WATCHOS: |
1667 | case BFD_MACH_O_LC_VERSION_MIN_TVOS: | |
12fa714f TG |
1668 | { |
1669 | bfd_mach_o_version_min_command *ver = &cmd->command.version_min; | |
1670 | ||
fc7b364a RB |
1671 | printf (" os: "); |
1672 | printf_version (ver->version); | |
1673 | printf ("\n sdk: "); | |
1674 | printf_version (ver->sdk); | |
1675 | printf ("\n"); | |
12fa714f TG |
1676 | } |
1677 | break; | |
1778ad74 TG |
1678 | case BFD_MACH_O_LC_SOURCE_VERSION: |
1679 | { | |
1680 | bfd_mach_o_source_version_command *version = | |
1681 | &cmd->command.source_version; | |
47f8a107 | 1682 | printf (" version a.b.c.d.e: %u.%u.%u.%u.%u\n", |
1778ad74 TG |
1683 | version->a, version->b, version->c, version->d, version->e); |
1684 | break; | |
1685 | } | |
7a79c514 TG |
1686 | case BFD_MACH_O_LC_PREBOUND_DYLIB: |
1687 | { | |
1688 | bfd_mach_o_prebound_dylib_command *pbdy = &cmd->command.prebound_dylib; | |
1689 | unsigned char *lm = pbdy->linked_modules; | |
1690 | unsigned int j; | |
1691 | unsigned int last; | |
1692 | ||
47f8a107 | 1693 | printf (" dylib: %s\n", pbdy->name_str); |
7a79c514 TG |
1694 | printf (" nmodules: %u\n", pbdy->nmodules); |
1695 | printf (" linked modules (at %u): ", | |
1696 | pbdy->linked_modules_offset - cmd->offset); | |
1697 | last = pbdy->nmodules > 32 ? 32 : pbdy->nmodules; | |
1698 | for (j = 0; j < last; j++) | |
1699 | printf ("%u", (lm[j >> 3] >> (j & 7)) & 1); | |
1700 | if (last < pbdy->nmodules) | |
1701 | printf ("..."); | |
1702 | putchar ('\n'); | |
1703 | break; | |
1704 | } | |
1705 | case BFD_MACH_O_LC_PREBIND_CKSUM: | |
1706 | { | |
1707 | bfd_mach_o_prebind_cksum_command *cksum = &cmd->command.prebind_cksum; | |
47f8a107 | 1708 | printf (" 0x%08x\n", cksum->cksum); |
7a79c514 TG |
1709 | break; |
1710 | } | |
1711 | case BFD_MACH_O_LC_TWOLEVEL_HINTS: | |
1712 | { | |
1713 | bfd_mach_o_twolevel_hints_command *hints = | |
1714 | &cmd->command.twolevel_hints; | |
1715 | ||
47f8a107 | 1716 | printf (" table offset: 0x%08x nbr hints: %u\n", |
7a79c514 TG |
1717 | hints->offset, hints->nhints); |
1718 | if (verbose) | |
1719 | dump_twolevel_hints (abfd, hints); | |
1720 | break; | |
1721 | } | |
1778ad74 TG |
1722 | case BFD_MACH_O_LC_MAIN: |
1723 | { | |
0e3c1eeb AM |
1724 | bfd_mach_o_main_command *entry = &cmd->command.main; |
1725 | printf (" entry offset: %#016" PRIx64 "\n" | |
1726 | " stack size: %#016" PRIx64 "\n", | |
1727 | entry->entryoff, entry->stacksize); | |
1728 | break; | |
1778ad74 | 1729 | } |
fc7b364a RB |
1730 | case BFD_MACH_O_LC_NOTE: |
1731 | { | |
0e3c1eeb AM |
1732 | bfd_mach_o_note_command *note = &cmd->command.note; |
1733 | printf (" data owner: %.16s\n" | |
1734 | " offset: %#016" PRIx64 "\n" | |
1735 | " size: %#016" PRIx64 "\n", | |
1736 | note->data_owner, note->offset, note->size); | |
1737 | break; | |
fc7b364a RB |
1738 | } |
1739 | case BFD_MACH_O_LC_BUILD_VERSION: | |
1740 | dump_build_version (abfd, cmd); | |
1741 | break; | |
12fa714f | 1742 | default: |
12fa714f TG |
1743 | break; |
1744 | } | |
1745 | putchar ('\n'); | |
1746 | } | |
1747 | ||
1748 | static void | |
1749 | dump_load_commands (bfd *abfd, unsigned int cmd32, unsigned int cmd64) | |
1750 | { | |
1751 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
c9ffd2ea | 1752 | bfd_mach_o_load_command *cmd; |
12fa714f TG |
1753 | unsigned int i; |
1754 | ||
c9ffd2ea | 1755 | for (cmd = mdata->first_command, i = 0; cmd != NULL; cmd = cmd->next, i++) |
12fa714f | 1756 | { |
12fa714f | 1757 | if (cmd32 == 0) |
015dc7e1 | 1758 | dump_load_command (abfd, cmd, i, false); |
12fa714f | 1759 | else if (cmd->type == cmd32 || cmd->type == cmd64) |
015dc7e1 | 1760 | dump_load_command (abfd, cmd, i, true); |
12fa714f TG |
1761 | } |
1762 | } | |
1763 | ||
167e1c1f TG |
1764 | static const char * const unwind_x86_64_regs[] = |
1765 | {"", "rbx", "r12", "r13", "r14", "r15", "rbp", "???" }; | |
1766 | ||
1767 | static const char * const unwind_x86_regs[] = | |
1768 | {"", "ebx", "ecx", "edx", "edi", "edi", "ebp", "???" }; | |
1769 | ||
1770 | /* Dump x86 or x86-64 compact unwind encoding. Works for both architecture, | |
1771 | as the encoding is the same (but not register names). */ | |
1772 | ||
1773 | static void | |
1774 | dump_unwind_encoding_x86 (unsigned int encoding, unsigned int sz, | |
1775 | const char * const regs_name[]) | |
1776 | { | |
1777 | unsigned int mode; | |
1778 | ||
1779 | mode = encoding & MACH_O_UNWIND_X86_64_MODE_MASK; | |
1780 | switch (mode) | |
1781 | { | |
1782 | case MACH_O_UNWIND_X86_64_MODE_RBP_FRAME: | |
1783 | { | |
1784 | unsigned int regs; | |
1785 | char pfx = sz == 8 ? 'R' : 'E'; | |
1786 | ||
60cb2c8a | 1787 | regs = encoding & MACH_O_UNWIND_X86_64_RBP_FRAME_REGISTERS; |
167e1c1f TG |
1788 | printf (" %cSP frame", pfx); |
1789 | if (regs != 0) | |
1790 | { | |
1791 | unsigned int offset; | |
1792 | int i; | |
1793 | ||
1794 | offset = (encoding & MACH_O_UNWIND_X86_64_RBP_FRAME_OFFSET) >> 16; | |
1795 | printf (" at %cBP-%u:", pfx, offset * sz); | |
1796 | for (i = 0; i < 5; i++) | |
1797 | { | |
1798 | unsigned int reg = (regs >> (i * 3)) & 0x7; | |
1799 | if (reg != MACH_O_UNWIND_X86_64_REG_NONE) | |
1800 | printf (" %s", regs_name[reg]); | |
1801 | } | |
1802 | } | |
1803 | } | |
1804 | break; | |
1805 | case MACH_O_UNWIND_X86_64_MODE_STACK_IMMD: | |
1806 | case MACH_O_UNWIND_X86_64_MODE_STACK_IND: | |
1807 | { | |
1808 | unsigned int stack_size; | |
1809 | unsigned int reg_count; | |
1810 | unsigned int reg_perm; | |
1811 | unsigned int regs[6]; | |
1812 | int i, j; | |
1813 | ||
1814 | printf (" frameless"); | |
1815 | stack_size = | |
1816 | (encoding & MACH_O_UNWIND_X86_64_FRAMELESS_STACK_SIZE) >> 16; | |
1817 | reg_count = | |
1818 | (encoding & MACH_O_UNWIND_X86_64_FRAMELESS_REG_COUNT) >> 10; | |
1819 | reg_perm = encoding & MACH_O_UNWIND_X86_64_FRAMELESS_REG_PERMUTATION; | |
1820 | ||
1821 | if (mode == MACH_O_UNWIND_X86_64_MODE_STACK_IMMD) | |
1822 | printf (" size: 0x%03x", stack_size * sz); | |
1823 | else | |
1824 | { | |
1825 | unsigned int stack_adj; | |
1826 | ||
1827 | stack_adj = | |
1828 | (encoding & MACH_O_UNWIND_X86_64_FRAMELESS_STACK_ADJUST) >> 13; | |
aa9fa1e2 | 1829 | printf (" size at 0x%03x + 0x%02x", stack_size, stack_adj * sz); |
167e1c1f TG |
1830 | } |
1831 | /* Registers are coded using arithmetic compression: the register | |
1832 | is indexed in range 0-6, the second in range 0-5, the third in | |
1833 | range 0-4, etc. Already used registers are removed in next | |
1834 | ranges. */ | |
1835 | #define DO_PERM(R, NUM) R = reg_perm / NUM; reg_perm -= R * NUM | |
1836 | switch (reg_count) | |
1837 | { | |
1838 | case 6: | |
1839 | case 5: | |
1840 | DO_PERM (regs[0], 120); | |
1841 | DO_PERM (regs[1], 24); | |
1842 | DO_PERM (regs[2], 6); | |
1843 | DO_PERM (regs[3], 2); | |
1844 | DO_PERM (regs[4], 1); | |
1845 | regs[5] = 0; /* Not used if reg_count = 5. */ | |
1846 | break; | |
1847 | case 4: | |
1848 | DO_PERM (regs[0], 60); | |
1849 | DO_PERM (regs[1], 12); | |
1850 | DO_PERM (regs[2], 3); | |
1851 | DO_PERM (regs[3], 1); | |
1852 | break; | |
1853 | case 3: | |
1854 | DO_PERM (regs[0], 20); | |
1855 | DO_PERM (regs[1], 4); | |
1856 | DO_PERM (regs[2], 1); | |
1857 | break; | |
1858 | case 2: | |
1859 | DO_PERM (regs[0], 5); | |
1860 | DO_PERM (regs[1], 1); | |
1861 | break; | |
1862 | case 1: | |
1863 | DO_PERM (regs[0], 1); | |
1864 | break; | |
1865 | case 0: | |
1866 | break; | |
1867 | default: | |
1868 | printf (" [bad reg count]"); | |
1869 | return; | |
1870 | } | |
1871 | #undef DO_PERM | |
1872 | /* Renumber. */ | |
1873 | for (i = reg_count - 1; i >= 0; i--) | |
1874 | { | |
1875 | unsigned int inc = 1; | |
1876 | for (j = 0; j < i; j++) | |
1877 | if (regs[i] >= regs[j]) | |
1878 | inc++; | |
1879 | regs[i] += inc; | |
1880 | } | |
1881 | /* Display. */ | |
1882 | for (i = 0; i < (int) reg_count; i++) | |
1883 | printf (" %s", regs_name[regs[i]]); | |
1884 | } | |
1885 | break; | |
1886 | case MACH_O_UNWIND_X86_64_MODE_DWARF: | |
1887 | printf (" Dwarf offset: 0x%06x", | |
1888 | encoding & MACH_O_UNWIND_X86_64_DWARF_SECTION_OFFSET); | |
1889 | break; | |
1890 | default: | |
1891 | printf (" [unhandled mode]"); | |
1892 | break; | |
1893 | } | |
1894 | } | |
1895 | ||
b53e4c0e TG |
1896 | /* Dump arm64 compact unwind entries. */ |
1897 | ||
1898 | static void | |
1899 | dump_unwind_encoding_arm64 (unsigned int encoding) | |
1900 | { | |
1901 | switch (encoding & MACH_O_UNWIND_ARM64_MODE_MASK) | |
1902 | { | |
1903 | case MACH_O_UNWIND_ARM64_MODE_FRAMELESS: | |
1904 | printf (" frameless"); | |
1905 | break; | |
1906 | case MACH_O_UNWIND_ARM64_MODE_DWARF: | |
1907 | printf (" Dwarf offset: 0x%06x", | |
1908 | encoding & MACH_O_UNWIND_ARM64_DWARF_SECTION_OFFSET); | |
1909 | return; | |
1910 | case MACH_O_UNWIND_ARM64_MODE_FRAME: | |
1911 | printf (" frame"); | |
1912 | break; | |
1913 | default: | |
1914 | printf (" [unhandled mode]"); | |
1915 | return; | |
1916 | } | |
1917 | switch (encoding & MACH_O_UNWIND_ARM64_MODE_MASK) | |
1918 | { | |
1919 | case MACH_O_UNWIND_ARM64_MODE_FRAMELESS: | |
1920 | case MACH_O_UNWIND_ARM64_MODE_FRAME: | |
1921 | if (encoding & MACH_O_UNWIND_ARM64_FRAME_X19_X20_PAIR) | |
1922 | printf (" x19-x20"); | |
1923 | if (encoding & MACH_O_UNWIND_ARM64_FRAME_X21_X22_PAIR) | |
1924 | printf (" x21-x22"); | |
1925 | if (encoding & MACH_O_UNWIND_ARM64_FRAME_X23_X24_PAIR) | |
1926 | printf (" x23-x24"); | |
1927 | if (encoding & MACH_O_UNWIND_ARM64_FRAME_X25_X26_PAIR) | |
1928 | printf (" x25-x26"); | |
1929 | if (encoding & MACH_O_UNWIND_ARM64_FRAME_X27_X28_PAIR) | |
1930 | printf (" x27-x28"); | |
1931 | break; | |
1932 | } | |
1933 | switch (encoding & MACH_O_UNWIND_ARM64_MODE_MASK) | |
1934 | { | |
1935 | case MACH_O_UNWIND_ARM64_MODE_FRAME: | |
1936 | if (encoding & MACH_O_UNWIND_ARM64_FRAME_D8_D9_PAIR) | |
1937 | printf (" d8-d9"); | |
1938 | if (encoding & MACH_O_UNWIND_ARM64_FRAME_D10_D11_PAIR) | |
1939 | printf (" d10-d11"); | |
1940 | if (encoding & MACH_O_UNWIND_ARM64_FRAME_D12_D13_PAIR) | |
1941 | printf (" d12-d13"); | |
1942 | if (encoding & MACH_O_UNWIND_ARM64_FRAME_D14_D15_PAIR) | |
1943 | printf (" d14-d15"); | |
1944 | break; | |
1945 | case MACH_O_UNWIND_ARM64_MODE_FRAMELESS: | |
1946 | printf (" size: %u", | |
1947 | (encoding & MACH_O_UNWIND_ARM64_FRAMELESS_STACK_SIZE_MASK) >> 8); | |
1948 | break; | |
1949 | } | |
1950 | } | |
1951 | ||
167e1c1f TG |
1952 | static void |
1953 | dump_unwind_encoding (bfd_mach_o_data_struct *mdata, unsigned int encoding) | |
1954 | { | |
1955 | printf ("0x%08x", encoding); | |
1956 | if (encoding == 0) | |
1957 | return; | |
1958 | ||
1959 | switch (mdata->header.cputype) | |
1960 | { | |
1961 | case BFD_MACH_O_CPU_TYPE_X86_64: | |
1962 | dump_unwind_encoding_x86 (encoding, 8, unwind_x86_64_regs); | |
1963 | break; | |
1964 | case BFD_MACH_O_CPU_TYPE_I386: | |
1965 | dump_unwind_encoding_x86 (encoding, 4, unwind_x86_regs); | |
1966 | break; | |
b53e4c0e TG |
1967 | case BFD_MACH_O_CPU_TYPE_ARM64: |
1968 | dump_unwind_encoding_arm64 (encoding); | |
1969 | break; | |
167e1c1f TG |
1970 | default: |
1971 | printf (" [unhandled cpu]"); | |
1972 | break; | |
1973 | } | |
1974 | if (encoding & MACH_O_UNWIND_HAS_LSDA) | |
1975 | printf (" LSDA"); | |
1976 | if (encoding & MACH_O_UNWIND_PERSONALITY_MASK) | |
1977 | printf (" PERS(%u)", | |
1978 | ((encoding & MACH_O_UNWIND_PERSONALITY_MASK) | |
1979 | >> MACH_O_UNWIND_PERSONALITY_SHIFT)); | |
1980 | } | |
1981 | ||
1982 | static void | |
1983 | dump_obj_compact_unwind (bfd *abfd, | |
1984 | const unsigned char *content, bfd_size_type size) | |
1985 | { | |
1986 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
1987 | int is_64 = mdata->header.version == 2; | |
1988 | const unsigned char *p; | |
1989 | ||
3cc27770 | 1990 | printf ("Compact unwind info:\n"); |
167e1c1f TG |
1991 | printf (" start length personality lsda\n"); |
1992 | ||
1993 | if (is_64) | |
1994 | { | |
1995 | struct mach_o_compact_unwind_64 *e = | |
1996 | (struct mach_o_compact_unwind_64 *) content; | |
1997 | ||
1998 | for (p = content; p < content + size; p += sizeof (*e)) | |
1999 | { | |
2000 | e = (struct mach_o_compact_unwind_64 *) p; | |
2001 | ||
0e3c1eeb AM |
2002 | printf (" %#016" PRIx64 " %#08x %#016" PRIx64 " %#016" PRIx64 "\n", |
2003 | (uint64_t) bfd_get_64 (abfd, e->start), | |
2004 | (unsigned int) bfd_get_32 (abfd, e->length), | |
2005 | (uint64_t) bfd_get_64 (abfd, e->personality), | |
2006 | (uint64_t) bfd_get_64 (abfd, e->lsda)); | |
167e1c1f TG |
2007 | |
2008 | printf (" encoding: "); | |
2009 | dump_unwind_encoding (mdata, bfd_get_32 (abfd, e->encoding)); | |
2010 | putchar ('\n'); | |
2011 | } | |
2012 | } | |
2013 | else | |
2014 | { | |
2015 | printf ("unhandled\n"); | |
2016 | } | |
2017 | } | |
2018 | ||
2019 | static void | |
2020 | dump_exe_compact_unwind (bfd *abfd, | |
2021 | const unsigned char *content, bfd_size_type size) | |
2022 | { | |
2023 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
2024 | struct mach_o_unwind_info_header *hdr; | |
2025 | unsigned int version; | |
2026 | unsigned int encodings_offset; | |
2027 | unsigned int encodings_count; | |
2028 | unsigned int personality_offset; | |
2029 | unsigned int personality_count; | |
2030 | unsigned int index_offset; | |
2031 | unsigned int index_count; | |
2032 | struct mach_o_unwind_index_entry *index_entry; | |
2033 | unsigned int i; | |
2034 | ||
2035 | /* The header. */ | |
3cc27770 | 2036 | printf ("Compact unwind info:\n"); |
167e1c1f TG |
2037 | |
2038 | hdr = (struct mach_o_unwind_info_header *) content; | |
2039 | if (size < sizeof (*hdr)) | |
2040 | { | |
2041 | printf (" truncated!\n"); | |
2042 | return; | |
2043 | } | |
2044 | ||
2045 | version = bfd_get_32 (abfd, hdr->version); | |
2046 | if (version != MACH_O_UNWIND_SECTION_VERSION) | |
2047 | { | |
2048 | printf (" unknown version: %u\n", version); | |
2049 | return; | |
2050 | } | |
2051 | encodings_offset = bfd_get_32 (abfd, hdr->encodings_array_offset); | |
2052 | encodings_count = bfd_get_32 (abfd, hdr->encodings_array_count); | |
2053 | personality_offset = bfd_get_32 (abfd, hdr->personality_array_offset); | |
2054 | personality_count = bfd_get_32 (abfd, hdr->personality_array_count); | |
2055 | index_offset = bfd_get_32 (abfd, hdr->index_offset); | |
2056 | index_count = bfd_get_32 (abfd, hdr->index_count); | |
2057 | printf (" %u encodings, %u personalities, %u level-1 indexes:\n", | |
2058 | encodings_count, personality_count, index_count); | |
2059 | ||
965b60c9 TG |
2060 | /* Personality. */ |
2061 | if (personality_count > 0) | |
2062 | { | |
2063 | const unsigned char *pers = content + personality_offset; | |
2064 | ||
2065 | printf (" personalities\n"); | |
2066 | for (i = 0; i < personality_count; i++) | |
2067 | printf (" %u: 0x%08x\n", i, | |
2068 | (unsigned) bfd_get_32 (abfd, pers + 4 * i)); | |
2069 | } | |
2070 | ||
167e1c1f TG |
2071 | /* Level-1 index. */ |
2072 | printf (" idx function level2 off lsda off\n"); | |
2073 | ||
2074 | index_entry = (struct mach_o_unwind_index_entry *) (content + index_offset); | |
2075 | for (i = 0; i < index_count; i++) | |
2076 | { | |
2077 | unsigned int func_offset; | |
2078 | unsigned int level2_offset; | |
2079 | unsigned int lsda_offset; | |
2080 | ||
2081 | func_offset = bfd_get_32 (abfd, index_entry->function_offset); | |
2082 | level2_offset = bfd_get_32 (abfd, index_entry->second_level_offset); | |
2083 | lsda_offset = bfd_get_32 (abfd, index_entry->lsda_index_offset); | |
2084 | printf (" %3u 0x%08x 0x%08x 0x%08x\n", | |
2085 | i, func_offset, level2_offset, lsda_offset); | |
2086 | index_entry++; | |
2087 | } | |
2088 | ||
2089 | /* Level-1 index. */ | |
2090 | index_entry = (struct mach_o_unwind_index_entry *) (content + index_offset); | |
2091 | for (i = 0; i < index_count; i++) | |
2092 | { | |
2093 | unsigned int func_offset; | |
2094 | unsigned int level2_offset; | |
2095 | const unsigned char *level2; | |
2096 | unsigned int kind; | |
2097 | ||
167e1c1f TG |
2098 | func_offset = bfd_get_32 (abfd, index_entry->function_offset); |
2099 | level2_offset = bfd_get_32 (abfd, index_entry->second_level_offset); | |
2100 | ||
aa9fa1e2 TG |
2101 | /* No level-2 for this index (should be the last index). */ |
2102 | if (level2_offset == 0) | |
2103 | continue; | |
2104 | ||
167e1c1f TG |
2105 | level2 = content + level2_offset; |
2106 | kind = bfd_get_32 (abfd, level2); | |
2107 | switch (kind) | |
2108 | { | |
2109 | case MACH_O_UNWIND_SECOND_LEVEL_COMPRESSED: | |
2110 | { | |
2111 | struct mach_o_unwind_compressed_second_level_page_header *l2; | |
2112 | unsigned int entry_offset; | |
2113 | unsigned int entry_count; | |
2114 | unsigned int l2_encodings_offset; | |
2115 | unsigned int l2_encodings_count; | |
2116 | const unsigned char *en; | |
2117 | unsigned int j; | |
2118 | ||
2119 | l2 = (struct mach_o_unwind_compressed_second_level_page_header *) | |
2120 | level2; | |
2121 | entry_offset = bfd_get_16 (abfd, l2->entry_page_offset); | |
2122 | entry_count = bfd_get_16 (abfd, l2->entry_count); | |
2123 | l2_encodings_offset = bfd_get_16 (abfd, l2->encodings_offset); | |
2124 | l2_encodings_count = bfd_get_16 (abfd, l2->encodings_count); | |
2125 | ||
2126 | printf (" index %2u: compressed second level: " | |
2127 | "%u entries, %u encodings (at 0x%08x)\n", | |
2128 | i, entry_count, l2_encodings_count, l2_encodings_offset); | |
2129 | printf (" # function eidx encoding\n"); | |
2130 | ||
2131 | en = level2 + entry_offset; | |
2132 | for (j = 0; j < entry_count; j++) | |
2133 | { | |
2134 | unsigned int entry; | |
2135 | unsigned int en_func; | |
2136 | unsigned int enc_idx; | |
2137 | unsigned int encoding; | |
2138 | const unsigned char *enc_addr; | |
2139 | ||
2140 | entry = bfd_get_32 (abfd, en); | |
2141 | en_func = | |
2142 | MACH_O_UNWIND_INFO_COMPRESSED_ENTRY_FUNC_OFFSET (entry); | |
2143 | enc_idx = | |
2144 | MACH_O_UNWIND_INFO_COMPRESSED_ENTRY_ENCODING_INDEX (entry); | |
2145 | if (enc_idx < encodings_count) | |
2146 | enc_addr = content + encodings_offset | |
2147 | + 4 * enc_idx; | |
2148 | else | |
2149 | enc_addr = level2 + l2_encodings_offset | |
2150 | + 4 * (enc_idx - encodings_count); | |
2151 | encoding = bfd_get_32 (abfd, enc_addr); | |
2152 | ||
965b60c9 | 2153 | printf (" %4u 0x%08x [%3u] ", j, |
167e1c1f TG |
2154 | func_offset + en_func, enc_idx); |
2155 | dump_unwind_encoding (mdata, encoding); | |
2156 | putchar ('\n'); | |
2157 | ||
2158 | en += 4; | |
2159 | } | |
2160 | } | |
2161 | break; | |
2162 | ||
2163 | case MACH_O_UNWIND_SECOND_LEVEL_REGULAR: | |
2164 | { | |
2165 | struct mach_o_unwind_regular_second_level_page_header *l2; | |
2166 | struct mach_o_unwind_regular_second_level_entry *en; | |
2167 | unsigned int entry_offset; | |
2168 | unsigned int entry_count; | |
2169 | unsigned int j; | |
2170 | ||
2171 | l2 = (struct mach_o_unwind_regular_second_level_page_header *) | |
2172 | level2; | |
2173 | ||
2174 | entry_offset = bfd_get_16 (abfd, l2->entry_page_offset); | |
2175 | entry_count = bfd_get_16 (abfd, l2->entry_count); | |
2176 | printf (" index %2u: regular level 2 at 0x%04x, %u entries\n", | |
2177 | i, entry_offset, entry_count); | |
2178 | printf (" # function encoding\n"); | |
2179 | ||
2180 | en = (struct mach_o_unwind_regular_second_level_entry *) | |
2181 | (level2 + entry_offset); | |
2182 | for (j = 0; j < entry_count; j++) | |
2183 | { | |
2184 | unsigned int en_func; | |
2185 | unsigned int encoding; | |
2186 | ||
2187 | en_func = bfd_get_32 (abfd, en->function_offset); | |
2188 | encoding = bfd_get_32 (abfd, en->encoding); | |
2189 | printf (" %-4u 0x%08x ", j, en_func); | |
2190 | dump_unwind_encoding (mdata, encoding); | |
2191 | putchar ('\n'); | |
2192 | en++; | |
2193 | } | |
2194 | } | |
2195 | break; | |
2196 | ||
2197 | default: | |
2198 | printf (" index %2u: unhandled second level format (%u)\n", | |
2199 | i, kind); | |
2200 | break; | |
2201 | } | |
2202 | ||
2203 | { | |
2204 | struct mach_o_unwind_lsda_index_entry *lsda; | |
2205 | unsigned int lsda_offset; | |
2206 | unsigned int next_lsda_offset; | |
2207 | unsigned int nbr_lsda; | |
2208 | unsigned int j; | |
2209 | ||
2210 | lsda_offset = bfd_get_32 (abfd, index_entry->lsda_index_offset); | |
2211 | next_lsda_offset = bfd_get_32 (abfd, index_entry[1].lsda_index_offset); | |
2212 | lsda = (struct mach_o_unwind_lsda_index_entry *) | |
2213 | (content + lsda_offset); | |
2214 | nbr_lsda = (next_lsda_offset - lsda_offset) / sizeof (*lsda); | |
2215 | for (j = 0; j < nbr_lsda; j++) | |
2216 | { | |
aa9fa1e2 | 2217 | printf (" lsda %3u: function 0x%08x lsda 0x%08x\n", |
167e1c1f TG |
2218 | j, (unsigned int) bfd_get_32 (abfd, lsda->function_offset), |
2219 | (unsigned int) bfd_get_32 (abfd, lsda->lsda_offset)); | |
2220 | lsda++; | |
2221 | } | |
2222 | } | |
2223 | index_entry++; | |
2224 | } | |
2225 | } | |
2226 | ||
2227 | static void | |
2228 | dump_section_content (bfd *abfd, | |
2229 | const char *segname, const char *sectname, | |
2230 | void (*dump)(bfd*, const unsigned char*, bfd_size_type)) | |
2231 | { | |
2232 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
c9ffd2ea | 2233 | bfd_mach_o_load_command *cmd; |
167e1c1f | 2234 | |
c9ffd2ea | 2235 | for (cmd = mdata->first_command; cmd != NULL; cmd = cmd->next) |
167e1c1f | 2236 | { |
167e1c1f TG |
2237 | if (cmd->type == BFD_MACH_O_LC_SEGMENT |
2238 | || cmd->type == BFD_MACH_O_LC_SEGMENT_64) | |
2239 | { | |
2240 | bfd_mach_o_segment_command *seg = &cmd->command.segment; | |
2241 | bfd_mach_o_section *sec; | |
2242 | for (sec = seg->sect_head; sec != NULL; sec = sec->next) | |
2243 | if (strcmp (sec->segname, segname) == 0 | |
2244 | && strcmp (sec->sectname, sectname) == 0) | |
2245 | { | |
2246 | bfd_size_type size; | |
2247 | asection *bfdsec = sec->bfdsection; | |
2248 | unsigned char *content; | |
2249 | ||
fd361982 | 2250 | size = bfd_section_size (bfdsec); |
167e1c1f TG |
2251 | content = (unsigned char *) xmalloc (size); |
2252 | bfd_get_section_contents (abfd, bfdsec, content, 0, size); | |
2253 | ||
2254 | (*dump)(abfd, content, size); | |
2255 | ||
2256 | free (content); | |
2257 | } | |
2258 | } | |
2259 | } | |
2260 | } | |
2261 | ||
12fa714f TG |
2262 | /* Dump ABFD (according to the options[] array). */ |
2263 | ||
2264 | static void | |
2265 | mach_o_dump (bfd *abfd) | |
2266 | { | |
2267 | if (options[OPT_HEADER].selected) | |
2268 | dump_header (abfd); | |
2269 | if (options[OPT_SECTION].selected) | |
2270 | dump_load_commands (abfd, BFD_MACH_O_LC_SEGMENT, BFD_MACH_O_LC_SEGMENT_64); | |
2271 | if (options[OPT_MAP].selected) | |
2272 | dump_section_map (abfd); | |
2273 | if (options[OPT_LOAD].selected) | |
2274 | dump_load_commands (abfd, 0, 0); | |
2275 | if (options[OPT_DYSYMTAB].selected) | |
2276 | dump_load_commands (abfd, BFD_MACH_O_LC_DYSYMTAB, 0); | |
2634e8c8 TG |
2277 | if (options[OPT_CODESIGN].selected) |
2278 | dump_load_commands (abfd, BFD_MACH_O_LC_CODE_SIGNATURE, 0); | |
2128eb39 TG |
2279 | if (options[OPT_SEG_SPLIT_INFO].selected) |
2280 | dump_load_commands (abfd, BFD_MACH_O_LC_SEGMENT_SPLIT_INFO, 0); | |
3cc27770 TG |
2281 | if (options[OPT_FUNCTION_STARTS].selected) |
2282 | dump_load_commands (abfd, BFD_MACH_O_LC_FUNCTION_STARTS, 0); | |
c275b681 TG |
2283 | if (options[OPT_DATA_IN_CODE].selected) |
2284 | dump_load_commands (abfd, BFD_MACH_O_LC_DATA_IN_CODE, 0); | |
7a79c514 TG |
2285 | if (options[OPT_TWOLEVEL_HINTS].selected) |
2286 | dump_load_commands (abfd, BFD_MACH_O_LC_TWOLEVEL_HINTS, 0); | |
167e1c1f TG |
2287 | if (options[OPT_COMPACT_UNWIND].selected) |
2288 | { | |
2289 | dump_section_content (abfd, "__LD", "__compact_unwind", | |
2290 | dump_obj_compact_unwind); | |
2291 | dump_section_content (abfd, "__TEXT", "__unwind_info", | |
2292 | dump_exe_compact_unwind); | |
2293 | } | |
e89d3dee TG |
2294 | if (options[OPT_DYLD_INFO].selected) |
2295 | dump_load_commands (abfd, BFD_MACH_O_LC_DYLD_INFO, 0); | |
12fa714f TG |
2296 | } |
2297 | ||
2298 | /* Vector for Mach-O. */ | |
2299 | ||
2300 | const struct objdump_private_desc objdump_private_desc_mach_o = | |
fc7b364a RB |
2301 | { |
2302 | mach_o_help, | |
2303 | mach_o_filter, | |
2304 | mach_o_dump, | |
2305 | options | |
2306 | }; |