Commit | Line | Data |
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12fa714f | 1 | /* od-macho.c -- dump information about an Mach-O object file. |
b3adc24a | 2 | Copyright (C) 2011-2020 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" | |
5ad87552 | 29 | #include "elfcomm.h" |
16412c3b | 30 | #include "dwarf.h" |
12fa714f TG |
31 | #include "bfdlink.h" |
32 | #include "mach-o.h" | |
33 | #include "mach-o/external.h" | |
2634e8c8 | 34 | #include "mach-o/codesign.h" |
167e1c1f | 35 | #include "mach-o/unwind.h" |
12fa714f TG |
36 | |
37 | /* Index of the options in the options[] array. */ | |
38 | #define OPT_HEADER 0 | |
39 | #define OPT_SECTION 1 | |
40 | #define OPT_MAP 2 | |
41 | #define OPT_LOAD 3 | |
42 | #define OPT_DYSYMTAB 4 | |
2634e8c8 | 43 | #define OPT_CODESIGN 5 |
2128eb39 | 44 | #define OPT_SEG_SPLIT_INFO 6 |
167e1c1f | 45 | #define OPT_COMPACT_UNWIND 7 |
3cc27770 | 46 | #define OPT_FUNCTION_STARTS 8 |
c275b681 | 47 | #define OPT_DATA_IN_CODE 9 |
7a79c514 | 48 | #define OPT_TWOLEVEL_HINTS 10 |
e89d3dee | 49 | #define OPT_DYLD_INFO 11 |
12fa714f TG |
50 | |
51 | /* List of actions. */ | |
52 | static struct objdump_private_option options[] = | |
53 | { | |
54 | { "header", 0 }, | |
55 | { "section", 0 }, | |
56 | { "map", 0 }, | |
57 | { "load", 0 }, | |
58 | { "dysymtab", 0 }, | |
2634e8c8 | 59 | { "codesign", 0 }, |
2128eb39 | 60 | { "seg_split_info", 0 }, |
167e1c1f | 61 | { "compact_unwind", 0 }, |
3cc27770 | 62 | { "function_starts", 0 }, |
c275b681 | 63 | { "data_in_code", 0 }, |
7a79c514 | 64 | { "twolevel_hints", 0 }, |
e89d3dee | 65 | { "dyld_info", 0 }, |
12fa714f TG |
66 | { NULL, 0 } |
67 | }; | |
68 | ||
69 | /* Display help. */ | |
70 | ||
71 | static void | |
72 | mach_o_help (FILE *stream) | |
73 | { | |
74 | fprintf (stream, _("\ | |
75 | For Mach-O files:\n\ | |
3cc27770 TG |
76 | header Display the file header\n\ |
77 | section Display the segments and sections commands\n\ | |
78 | map Display the section map\n\ | |
79 | load Display the load commands\n\ | |
80 | dysymtab Display the dynamic symbol table\n\ | |
81 | codesign Display code signature\n\ | |
82 | seg_split_info Display segment split info\n\ | |
83 | compact_unwind Display compact unwinding info\n\ | |
84 | function_starts Display start address of functions\n\ | |
c275b681 | 85 | data_in_code Display data in code entries\n\ |
7a79c514 | 86 | twolevel_hints Display the two-level namespace lookup hints table\n\ |
e89d3dee | 87 | dyld_info Display dyld information\n\ |
12fa714f TG |
88 | ")); |
89 | } | |
90 | ||
91 | /* Return TRUE if ABFD is handled. */ | |
92 | ||
93 | static int | |
94 | mach_o_filter (bfd *abfd) | |
95 | { | |
96 | return bfd_get_flavour (abfd) == bfd_target_mach_o_flavour; | |
97 | } | |
98 | \f | |
99 | static const bfd_mach_o_xlat_name bfd_mach_o_cpu_name[] = | |
100 | { | |
101 | { "vax", BFD_MACH_O_CPU_TYPE_VAX }, | |
102 | { "mc680x0", BFD_MACH_O_CPU_TYPE_MC680x0 }, | |
103 | { "i386", BFD_MACH_O_CPU_TYPE_I386 }, | |
104 | { "mips", BFD_MACH_O_CPU_TYPE_MIPS }, | |
105 | { "mc98000", BFD_MACH_O_CPU_TYPE_MC98000 }, | |
106 | { "hppa", BFD_MACH_O_CPU_TYPE_HPPA }, | |
107 | { "arm", BFD_MACH_O_CPU_TYPE_ARM }, | |
108 | { "mc88000", BFD_MACH_O_CPU_TYPE_MC88000 }, | |
109 | { "sparc", BFD_MACH_O_CPU_TYPE_SPARC }, | |
12fa714f TG |
110 | { "alpha", BFD_MACH_O_CPU_TYPE_ALPHA }, |
111 | { "powerpc", BFD_MACH_O_CPU_TYPE_POWERPC }, | |
112 | { "powerpc_64", BFD_MACH_O_CPU_TYPE_POWERPC_64 }, | |
113 | { "x86_64", BFD_MACH_O_CPU_TYPE_X86_64 }, | |
d8028530 | 114 | { "arm64", BFD_MACH_O_CPU_TYPE_ARM64 }, |
12fa714f TG |
115 | { NULL, 0} |
116 | }; | |
117 | ||
118 | static const bfd_mach_o_xlat_name bfd_mach_o_filetype_name[] = | |
119 | { | |
120 | { "object", BFD_MACH_O_MH_OBJECT }, | |
121 | { "execute", BFD_MACH_O_MH_EXECUTE }, | |
122 | { "fvmlib", BFD_MACH_O_MH_FVMLIB }, | |
123 | { "core", BFD_MACH_O_MH_CORE }, | |
124 | { "preload", BFD_MACH_O_MH_PRELOAD }, | |
125 | { "dylib", BFD_MACH_O_MH_DYLIB }, | |
126 | { "dylinker", BFD_MACH_O_MH_DYLINKER }, | |
127 | { "bundle", BFD_MACH_O_MH_BUNDLE }, | |
128 | { "dylib_stub", BFD_MACH_O_MH_DYLIB_STUB }, | |
129 | { "dym", BFD_MACH_O_MH_DSYM }, | |
130 | { "kext_bundle", BFD_MACH_O_MH_KEXT_BUNDLE }, | |
131 | { NULL, 0} | |
132 | }; | |
133 | ||
134 | static const bfd_mach_o_xlat_name bfd_mach_o_header_flags_name[] = | |
135 | { | |
136 | { "noundefs", BFD_MACH_O_MH_NOUNDEFS }, | |
137 | { "incrlink", BFD_MACH_O_MH_INCRLINK }, | |
138 | { "dyldlink", BFD_MACH_O_MH_DYLDLINK }, | |
139 | { "bindatload", BFD_MACH_O_MH_BINDATLOAD }, | |
140 | { "prebound", BFD_MACH_O_MH_PREBOUND }, | |
141 | { "split_segs", BFD_MACH_O_MH_SPLIT_SEGS }, | |
142 | { "lazy_init", BFD_MACH_O_MH_LAZY_INIT }, | |
143 | { "twolevel", BFD_MACH_O_MH_TWOLEVEL }, | |
144 | { "force_flat", BFD_MACH_O_MH_FORCE_FLAT }, | |
145 | { "nomultidefs", BFD_MACH_O_MH_NOMULTIDEFS }, | |
146 | { "nofixprebinding", BFD_MACH_O_MH_NOFIXPREBINDING }, | |
147 | { "prebindable", BFD_MACH_O_MH_PREBINDABLE }, | |
148 | { "allmodsbound", BFD_MACH_O_MH_ALLMODSBOUND }, | |
149 | { "subsections_via_symbols", BFD_MACH_O_MH_SUBSECTIONS_VIA_SYMBOLS }, | |
150 | { "canonical", BFD_MACH_O_MH_CANONICAL }, | |
151 | { "weak_defines", BFD_MACH_O_MH_WEAK_DEFINES }, | |
152 | { "binds_to_weak", BFD_MACH_O_MH_BINDS_TO_WEAK }, | |
153 | { "allow_stack_execution", BFD_MACH_O_MH_ALLOW_STACK_EXECUTION }, | |
154 | { "root_safe", BFD_MACH_O_MH_ROOT_SAFE }, | |
155 | { "setuid_safe", BFD_MACH_O_MH_SETUID_SAFE }, | |
156 | { "no_reexported_dylibs", BFD_MACH_O_MH_NO_REEXPORTED_DYLIBS }, | |
157 | { "pie", BFD_MACH_O_MH_PIE }, | |
b4687fcc TG |
158 | { "dead_strippable_dylib", BFD_MACH_O_MH_DEAD_STRIPPABLE_DYLIB }, |
159 | { "has_tlv", BFD_MACH_O_MH_HAS_TLV_DESCRIPTORS }, | |
160 | { "no_heap_execution", BFD_MACH_O_MH_NO_HEAP_EXECUTION }, | |
161 | { "app_extension_safe", BFD_MACH_O_MH_APP_EXTENSION_SAFE }, | |
12fa714f TG |
162 | { NULL, 0} |
163 | }; | |
164 | ||
165 | static const bfd_mach_o_xlat_name bfd_mach_o_load_command_name[] = | |
166 | { | |
167 | { "segment", BFD_MACH_O_LC_SEGMENT}, | |
168 | { "symtab", BFD_MACH_O_LC_SYMTAB}, | |
169 | { "symseg", BFD_MACH_O_LC_SYMSEG}, | |
170 | { "thread", BFD_MACH_O_LC_THREAD}, | |
171 | { "unixthread", BFD_MACH_O_LC_UNIXTHREAD}, | |
172 | { "loadfvmlib", BFD_MACH_O_LC_LOADFVMLIB}, | |
173 | { "idfvmlib", BFD_MACH_O_LC_IDFVMLIB}, | |
174 | { "ident", BFD_MACH_O_LC_IDENT}, | |
175 | { "fvmfile", BFD_MACH_O_LC_FVMFILE}, | |
176 | { "prepage", BFD_MACH_O_LC_PREPAGE}, | |
177 | { "dysymtab", BFD_MACH_O_LC_DYSYMTAB}, | |
178 | { "load_dylib", BFD_MACH_O_LC_LOAD_DYLIB}, | |
179 | { "id_dylib", BFD_MACH_O_LC_ID_DYLIB}, | |
180 | { "load_dylinker", BFD_MACH_O_LC_LOAD_DYLINKER}, | |
181 | { "id_dylinker", BFD_MACH_O_LC_ID_DYLINKER}, | |
182 | { "prebound_dylib", BFD_MACH_O_LC_PREBOUND_DYLIB}, | |
183 | { "routines", BFD_MACH_O_LC_ROUTINES}, | |
184 | { "sub_framework", BFD_MACH_O_LC_SUB_FRAMEWORK}, | |
185 | { "sub_umbrella", BFD_MACH_O_LC_SUB_UMBRELLA}, | |
186 | { "sub_client", BFD_MACH_O_LC_SUB_CLIENT}, | |
187 | { "sub_library", BFD_MACH_O_LC_SUB_LIBRARY}, | |
188 | { "twolevel_hints", BFD_MACH_O_LC_TWOLEVEL_HINTS}, | |
189 | { "prebind_cksum", BFD_MACH_O_LC_PREBIND_CKSUM}, | |
190 | { "load_weak_dylib", BFD_MACH_O_LC_LOAD_WEAK_DYLIB}, | |
191 | { "segment_64", BFD_MACH_O_LC_SEGMENT_64}, | |
192 | { "routines_64", BFD_MACH_O_LC_ROUTINES_64}, | |
193 | { "uuid", BFD_MACH_O_LC_UUID}, | |
194 | { "rpath", BFD_MACH_O_LC_RPATH}, | |
195 | { "code_signature", BFD_MACH_O_LC_CODE_SIGNATURE}, | |
196 | { "segment_split_info", BFD_MACH_O_LC_SEGMENT_SPLIT_INFO}, | |
197 | { "reexport_dylib", BFD_MACH_O_LC_REEXPORT_DYLIB}, | |
198 | { "lazy_load_dylib", BFD_MACH_O_LC_LAZY_LOAD_DYLIB}, | |
199 | { "encryption_info", BFD_MACH_O_LC_ENCRYPTION_INFO}, | |
200 | { "dyld_info", BFD_MACH_O_LC_DYLD_INFO}, | |
201 | { "load_upward_lib", BFD_MACH_O_LC_LOAD_UPWARD_DYLIB}, | |
202 | { "version_min_macosx", BFD_MACH_O_LC_VERSION_MIN_MACOSX}, | |
203 | { "version_min_iphoneos", BFD_MACH_O_LC_VERSION_MIN_IPHONEOS}, | |
204 | { "function_starts", BFD_MACH_O_LC_FUNCTION_STARTS}, | |
205 | { "dyld_environment", BFD_MACH_O_LC_DYLD_ENVIRONMENT}, | |
1778ad74 TG |
206 | { "main", BFD_MACH_O_LC_MAIN}, |
207 | { "data_in_code", BFD_MACH_O_LC_DATA_IN_CODE}, | |
208 | { "source_version", BFD_MACH_O_LC_SOURCE_VERSION}, | |
209 | { "dylib_code_sign_drs", BFD_MACH_O_LC_DYLIB_CODE_SIGN_DRS}, | |
b53e4c0e TG |
210 | { "encryption_info_64", BFD_MACH_O_LC_ENCRYPTION_INFO_64}, |
211 | { "linker_options", BFD_MACH_O_LC_LINKER_OPTIONS}, | |
212 | { "linker_optimization_hint", BFD_MACH_O_LC_LINKER_OPTIMIZATION_HINT}, | |
fc7b364a RB |
213 | { "version_min_tvos", BFD_MACH_O_LC_VERSION_MIN_TVOS}, |
214 | { "version_min_watchos", BFD_MACH_O_LC_VERSION_MIN_WATCHOS}, | |
215 | { "note", BFD_MACH_O_LC_NOTE}, | |
216 | { "build_version", BFD_MACH_O_LC_BUILD_VERSION}, | |
d768f160 SJ |
217 | { "exports_trie", BFD_MACH_O_LC_DYLD_EXPORTS_TRIE}, |
218 | { "chained_fixups", BFD_MACH_O_LC_DYLD_CHAINED_FIXUPS}, | |
12fa714f TG |
219 | { NULL, 0} |
220 | }; | |
221 | ||
222 | static const bfd_mach_o_xlat_name bfd_mach_o_thread_x86_name[] = | |
223 | { | |
224 | { "thread_state32", BFD_MACH_O_x86_THREAD_STATE32}, | |
225 | { "float_state32", BFD_MACH_O_x86_FLOAT_STATE32}, | |
226 | { "exception_state32", BFD_MACH_O_x86_EXCEPTION_STATE32}, | |
227 | { "thread_state64", BFD_MACH_O_x86_THREAD_STATE64}, | |
228 | { "float_state64", BFD_MACH_O_x86_FLOAT_STATE64}, | |
229 | { "exception_state64", BFD_MACH_O_x86_EXCEPTION_STATE64}, | |
230 | { "thread_state", BFD_MACH_O_x86_THREAD_STATE}, | |
231 | { "float_state", BFD_MACH_O_x86_FLOAT_STATE}, | |
232 | { "exception_state", BFD_MACH_O_x86_EXCEPTION_STATE}, | |
233 | { "debug_state32", BFD_MACH_O_x86_DEBUG_STATE32}, | |
234 | { "debug_state64", BFD_MACH_O_x86_DEBUG_STATE64}, | |
235 | { "debug_state", BFD_MACH_O_x86_DEBUG_STATE}, | |
236 | { "state_none", BFD_MACH_O_x86_THREAD_STATE_NONE}, | |
237 | { NULL, 0 } | |
238 | }; | |
fc7b364a RB |
239 | |
240 | static const bfd_mach_o_xlat_name bfd_mach_o_platform_name[] = | |
241 | { | |
242 | { "macos", BFD_MACH_O_PLATFORM_MACOS}, | |
243 | { "ios", BFD_MACH_O_PLATFORM_IOS}, | |
244 | { "tvos", BFD_MACH_O_PLATFORM_TVOS}, | |
245 | { "watchos", BFD_MACH_O_PLATFORM_WATCHOS}, | |
246 | { "bridgeos", BFD_MACH_O_PLATFORM_BRIDGEOS}, | |
247 | { NULL, 0 } | |
248 | }; | |
249 | ||
250 | static const bfd_mach_o_xlat_name bfd_mach_o_tool_name[] = | |
251 | { | |
252 | { "clang", BFD_MACH_O_TOOL_CLANG}, | |
253 | { "swift", BFD_MACH_O_TOOL_SWIFT}, | |
254 | { "ld", BFD_MACH_O_TOOL_LD}, | |
255 | { NULL, 0 } | |
256 | }; | |
257 | ||
12fa714f TG |
258 | static void |
259 | bfd_mach_o_print_flags (const bfd_mach_o_xlat_name *table, | |
260 | unsigned long val) | |
261 | { | |
262 | int first = 1; | |
263 | ||
264 | for (; table->name; table++) | |
265 | { | |
266 | if (table->val & val) | |
267 | { | |
268 | if (!first) | |
269 | printf ("+"); | |
270 | printf ("%s", table->name); | |
271 | val &= ~table->val; | |
272 | first = 0; | |
273 | } | |
274 | } | |
275 | if (val) | |
276 | { | |
277 | if (!first) | |
278 | printf ("+"); | |
279 | printf ("0x%lx", val); | |
280 | return; | |
281 | } | |
282 | if (first) | |
283 | printf ("-"); | |
284 | } | |
285 | ||
222c2bf0 | 286 | /* Print a bfd_uint64_t, using a platform independent style. */ |
965b60c9 TG |
287 | |
288 | static void | |
289 | printf_uint64 (bfd_uint64_t v) | |
290 | { | |
291 | printf ("0x%08lx%08lx", | |
292 | (unsigned long)((v >> 16) >> 16), (unsigned long)(v & 0xffffffffUL)); | |
293 | } | |
294 | ||
12fa714f TG |
295 | static const char * |
296 | bfd_mach_o_get_name_or_null (const bfd_mach_o_xlat_name *table, | |
297 | unsigned long val) | |
298 | { | |
299 | for (; table->name; table++) | |
300 | if (table->val == val) | |
301 | return table->name; | |
302 | return NULL; | |
303 | } | |
304 | ||
305 | static const char * | |
306 | bfd_mach_o_get_name (const bfd_mach_o_xlat_name *table, unsigned long val) | |
307 | { | |
308 | const char *res = bfd_mach_o_get_name_or_null (table, val); | |
309 | ||
310 | if (res == NULL) | |
311 | return "*UNKNOWN*"; | |
312 | else | |
313 | return res; | |
314 | } | |
315 | ||
316 | static void | |
317 | dump_header (bfd *abfd) | |
318 | { | |
319 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
320 | bfd_mach_o_header *h = &mdata->header; | |
321 | ||
322 | fputs (_("Mach-O header:\n"), stdout); | |
323 | printf (_(" magic : %08lx\n"), h->magic); | |
324 | printf (_(" cputype : %08lx (%s)\n"), h->cputype, | |
2634e8c8 | 325 | bfd_mach_o_get_name (bfd_mach_o_cpu_name, h->cputype)); |
12fa714f TG |
326 | printf (_(" cpusubtype: %08lx\n"), h->cpusubtype); |
327 | printf (_(" filetype : %08lx (%s)\n"), | |
2634e8c8 TG |
328 | h->filetype, |
329 | bfd_mach_o_get_name (bfd_mach_o_filetype_name, h->filetype)); | |
12fa714f | 330 | printf (_(" ncmds : %08lx (%lu)\n"), h->ncmds, h->ncmds); |
47f8a107 | 331 | printf (_(" sizeofcmds: %08lx (%lu)\n"), h->sizeofcmds, h->sizeofcmds); |
12fa714f TG |
332 | printf (_(" flags : %08lx ("), h->flags); |
333 | bfd_mach_o_print_flags (bfd_mach_o_header_flags_name, h->flags); | |
334 | fputs (_(")\n"), stdout); | |
335 | printf (_(" reserved : %08x\n"), h->reserved); | |
c275b681 | 336 | putchar ('\n'); |
12fa714f TG |
337 | } |
338 | ||
3cc27770 TG |
339 | static void |
340 | disp_segment_prot (unsigned int prot) | |
341 | { | |
342 | putchar (prot & BFD_MACH_O_PROT_READ ? 'r' : '-'); | |
343 | putchar (prot & BFD_MACH_O_PROT_WRITE ? 'w' : '-'); | |
344 | putchar (prot & BFD_MACH_O_PROT_EXECUTE ? 'x' : '-'); | |
345 | } | |
346 | ||
12fa714f TG |
347 | static void |
348 | dump_section_map (bfd *abfd) | |
349 | { | |
350 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
c9ffd2ea | 351 | bfd_mach_o_load_command *cmd; |
12fa714f TG |
352 | unsigned int sec_nbr = 0; |
353 | ||
354 | fputs (_("Segments and Sections:\n"), stdout); | |
355 | fputs (_(" #: Segment name Section name Address\n"), stdout); | |
356 | ||
c9ffd2ea | 357 | for (cmd = mdata->first_command; cmd != NULL; cmd = cmd->next) |
12fa714f TG |
358 | { |
359 | bfd_mach_o_segment_command *seg; | |
360 | bfd_mach_o_section *sec; | |
361 | ||
c9ffd2ea TG |
362 | if (cmd->type != BFD_MACH_O_LC_SEGMENT |
363 | && cmd->type != BFD_MACH_O_LC_SEGMENT_64) | |
12fa714f TG |
364 | continue; |
365 | ||
c9ffd2ea | 366 | seg = &cmd->command.segment; |
12fa714f TG |
367 | |
368 | printf ("[Segment %-16s ", seg->segname); | |
369 | printf_vma (seg->vmaddr); | |
370 | putchar ('-'); | |
371 | printf_vma (seg->vmaddr + seg->vmsize - 1); | |
372 | putchar (' '); | |
3cc27770 | 373 | disp_segment_prot (seg->initprot); |
12fa714f TG |
374 | printf ("]\n"); |
375 | ||
376 | for (sec = seg->sect_head; sec != NULL; sec = sec->next) | |
377 | { | |
378 | printf ("%02u: %-16s %-16s ", ++sec_nbr, | |
379 | sec->segname, sec->sectname); | |
380 | printf_vma (sec->addr); | |
381 | putchar (' '); | |
382 | printf_vma (sec->size); | |
383 | printf (" %08lx\n", sec->flags); | |
384 | } | |
385 | } | |
386 | } | |
387 | ||
388 | static void | |
167e1c1f | 389 | dump_section_header (bfd *abfd ATTRIBUTE_UNUSED, bfd_mach_o_section *sec) |
12fa714f TG |
390 | { |
391 | printf (" Section: %-16s %-16s (bfdname: %s)\n", | |
392 | sec->sectname, sec->segname, sec->bfdsection->name); | |
393 | printf (" addr: "); | |
394 | printf_vma (sec->addr); | |
395 | printf (" size: "); | |
396 | printf_vma (sec->size); | |
397 | printf (" offset: "); | |
398 | printf_vma (sec->offset); | |
399 | printf ("\n"); | |
400 | printf (" align: %ld", sec->align); | |
401 | printf (" nreloc: %lu reloff: ", sec->nreloc); | |
402 | printf_vma (sec->reloff); | |
403 | printf ("\n"); | |
404 | printf (" flags: %08lx (type: %s", sec->flags, | |
405 | bfd_mach_o_get_name (bfd_mach_o_section_type_name, | |
406 | sec->flags & BFD_MACH_O_SECTION_TYPE_MASK)); | |
407 | printf (" attr: "); | |
408 | bfd_mach_o_print_flags (bfd_mach_o_section_attribute_name, | |
409 | sec->flags & BFD_MACH_O_SECTION_ATTRIBUTES_MASK); | |
410 | printf (")\n"); | |
411 | switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK) | |
412 | { | |
413 | case BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS: | |
414 | case BFD_MACH_O_S_LAZY_SYMBOL_POINTERS: | |
415 | case BFD_MACH_O_S_SYMBOL_STUBS: | |
416 | printf (" first indirect sym: %lu", sec->reserved1); | |
417 | printf (" (%u entries)", | |
418 | bfd_mach_o_section_get_nbr_indirect (abfd, sec)); | |
419 | break; | |
420 | default: | |
421 | printf (" reserved1: 0x%lx", sec->reserved1); | |
422 | break; | |
423 | } | |
424 | switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK) | |
425 | { | |
426 | case BFD_MACH_O_S_SYMBOL_STUBS: | |
427 | printf (" stub size: %lu", sec->reserved2); | |
428 | break; | |
429 | default: | |
430 | printf (" reserved2: 0x%lx", sec->reserved2); | |
431 | break; | |
432 | } | |
433 | printf (" reserved3: 0x%lx\n", sec->reserved3); | |
434 | } | |
435 | ||
436 | static void | |
437 | dump_segment (bfd *abfd ATTRIBUTE_UNUSED, bfd_mach_o_load_command *cmd) | |
438 | { | |
439 | bfd_mach_o_segment_command *seg = &cmd->command.segment; | |
440 | bfd_mach_o_section *sec; | |
441 | ||
47f8a107 TG |
442 | printf (" name: %16s", *seg->segname ? seg->segname : "*none*"); |
443 | printf (" nsects: %lu", seg->nsects); | |
444 | printf (" flags: %lx", seg->flags); | |
445 | printf (" initprot: "); | |
446 | disp_segment_prot (seg->initprot); | |
447 | printf (" maxprot: "); | |
448 | disp_segment_prot (seg->maxprot); | |
449 | printf ("\n"); | |
450 | printf (" vmaddr: "); | |
12fa714f TG |
451 | printf_vma (seg->vmaddr); |
452 | printf (" vmsize: "); | |
453 | printf_vma (seg->vmsize); | |
454 | printf ("\n"); | |
47f8a107 | 455 | printf (" fileoff: "); |
12fa714f TG |
456 | printf_vma (seg->fileoff); |
457 | printf (" filesize: "); | |
458 | printf_vma ((bfd_vma)seg->filesize); | |
459 | printf (" endoff: "); | |
460 | printf_vma ((bfd_vma)(seg->fileoff + seg->filesize)); | |
461 | printf ("\n"); | |
12fa714f | 462 | for (sec = seg->sect_head; sec != NULL; sec = sec->next) |
167e1c1f | 463 | dump_section_header (abfd, sec); |
12fa714f TG |
464 | } |
465 | ||
466 | static void | |
467 | dump_dysymtab (bfd *abfd, bfd_mach_o_load_command *cmd, bfd_boolean verbose) | |
468 | { | |
469 | bfd_mach_o_dysymtab_command *dysymtab = &cmd->command.dysymtab; | |
470 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
471 | unsigned int i; | |
472 | ||
473 | printf (" local symbols: idx: %10lu num: %-8lu", | |
474 | dysymtab->ilocalsym, dysymtab->nlocalsym); | |
475 | printf (" (nxtidx: %lu)\n", | |
476 | dysymtab->ilocalsym + dysymtab->nlocalsym); | |
477 | printf (" external symbols: idx: %10lu num: %-8lu", | |
478 | dysymtab->iextdefsym, dysymtab->nextdefsym); | |
479 | printf (" (nxtidx: %lu)\n", | |
480 | dysymtab->iextdefsym + dysymtab->nextdefsym); | |
481 | printf (" undefined symbols: idx: %10lu num: %-8lu", | |
482 | dysymtab->iundefsym, dysymtab->nundefsym); | |
483 | printf (" (nxtidx: %lu)\n", | |
484 | dysymtab->iundefsym + dysymtab->nundefsym); | |
485 | printf (" table of content: off: 0x%08lx num: %-8lu", | |
486 | dysymtab->tocoff, dysymtab->ntoc); | |
487 | printf (" (endoff: 0x%08lx)\n", | |
488 | dysymtab->tocoff + dysymtab->ntoc * BFD_MACH_O_TABLE_OF_CONTENT_SIZE); | |
489 | printf (" module table: off: 0x%08lx num: %-8lu", | |
490 | dysymtab->modtaboff, dysymtab->nmodtab); | |
491 | printf (" (endoff: 0x%08lx)\n", | |
492 | dysymtab->modtaboff + dysymtab->nmodtab | |
493 | * (mdata->header.version == 2 ? | |
494 | BFD_MACH_O_DYLIB_MODULE_64_SIZE : BFD_MACH_O_DYLIB_MODULE_SIZE)); | |
495 | printf (" external reference table: off: 0x%08lx num: %-8lu", | |
496 | dysymtab->extrefsymoff, dysymtab->nextrefsyms); | |
497 | printf (" (endoff: 0x%08lx)\n", | |
498 | dysymtab->extrefsymoff | |
499 | + dysymtab->nextrefsyms * BFD_MACH_O_REFERENCE_SIZE); | |
500 | printf (" indirect symbol table: off: 0x%08lx num: %-8lu", | |
501 | dysymtab->indirectsymoff, dysymtab->nindirectsyms); | |
502 | printf (" (endoff: 0x%08lx)\n", | |
503 | dysymtab->indirectsymoff | |
504 | + dysymtab->nindirectsyms * BFD_MACH_O_INDIRECT_SYMBOL_SIZE); | |
505 | printf (" external relocation table: off: 0x%08lx num: %-8lu", | |
506 | dysymtab->extreloff, dysymtab->nextrel); | |
507 | printf (" (endoff: 0x%08lx)\n", | |
508 | dysymtab->extreloff + dysymtab->nextrel * BFD_MACH_O_RELENT_SIZE); | |
509 | printf (" local relocation table: off: 0x%08lx num: %-8lu", | |
510 | dysymtab->locreloff, dysymtab->nlocrel); | |
511 | printf (" (endoff: 0x%08lx)\n", | |
512 | dysymtab->locreloff + dysymtab->nlocrel * BFD_MACH_O_RELENT_SIZE); | |
513 | ||
514 | if (!verbose) | |
515 | return; | |
516 | ||
517 | if (dysymtab->ntoc > 0 | |
518 | || dysymtab->nindirectsyms > 0 | |
519 | || dysymtab->nextrefsyms > 0) | |
520 | { | |
521 | /* Try to read the symbols to display the toc or indirect symbols. */ | |
522 | bfd_mach_o_read_symtab_symbols (abfd); | |
523 | } | |
524 | else if (dysymtab->nmodtab > 0) | |
525 | { | |
526 | /* Try to read the strtab to display modules name. */ | |
527 | bfd_mach_o_read_symtab_strtab (abfd); | |
528 | } | |
529 | ||
530 | for (i = 0; i < dysymtab->nmodtab; i++) | |
531 | { | |
532 | bfd_mach_o_dylib_module *module = &dysymtab->dylib_module[i]; | |
533 | printf (" module %u:\n", i); | |
534 | printf (" name: %lu", module->module_name_idx); | |
535 | if (mdata->symtab && mdata->symtab->strtab) | |
536 | printf (": %s", | |
537 | mdata->symtab->strtab + module->module_name_idx); | |
538 | printf ("\n"); | |
539 | printf (" extdefsym: idx: %8lu num: %lu\n", | |
540 | module->iextdefsym, module->nextdefsym); | |
541 | printf (" refsym: idx: %8lu num: %lu\n", | |
542 | module->irefsym, module->nrefsym); | |
543 | printf (" localsym: idx: %8lu num: %lu\n", | |
544 | module->ilocalsym, module->nlocalsym); | |
545 | printf (" extrel: idx: %8lu num: %lu\n", | |
546 | module->iextrel, module->nextrel); | |
547 | printf (" init: idx: %8u num: %u\n", | |
548 | module->iinit, module->ninit); | |
549 | printf (" term: idx: %8u num: %u\n", | |
550 | module->iterm, module->nterm); | |
551 | printf (" objc_module_info: addr: "); | |
552 | printf_vma (module->objc_module_info_addr); | |
553 | printf (" size: %lu\n", module->objc_module_info_size); | |
554 | } | |
555 | ||
556 | if (dysymtab->ntoc > 0) | |
557 | { | |
558 | bfd_mach_o_symtab_command *symtab = mdata->symtab; | |
559 | ||
560 | printf (" table of content: (symbol/module)\n"); | |
561 | for (i = 0; i < dysymtab->ntoc; i++) | |
562 | { | |
563 | bfd_mach_o_dylib_table_of_content *toc = &dysymtab->dylib_toc[i]; | |
564 | ||
565 | printf (" %4u: ", i); | |
566 | if (symtab && symtab->symbols && toc->symbol_index < symtab->nsyms) | |
567 | { | |
568 | const char *name = symtab->symbols[toc->symbol_index].symbol.name; | |
569 | printf ("%s (%lu)", name ? name : "*invalid*", | |
570 | toc->symbol_index); | |
571 | } | |
572 | else | |
573 | printf ("%lu", toc->symbol_index); | |
574 | ||
575 | printf (" / "); | |
576 | if (symtab && symtab->strtab | |
577 | && toc->module_index < dysymtab->nmodtab) | |
578 | { | |
579 | bfd_mach_o_dylib_module *mod; | |
580 | mod = &dysymtab->dylib_module[toc->module_index]; | |
581 | printf ("%s (%lu)", | |
582 | symtab->strtab + mod->module_name_idx, | |
583 | toc->module_index); | |
584 | } | |
585 | else | |
586 | printf ("%lu", toc->module_index); | |
587 | ||
588 | printf ("\n"); | |
589 | } | |
590 | } | |
591 | ||
592 | if (dysymtab->nindirectsyms != 0) | |
593 | { | |
594 | printf (" indirect symbols:\n"); | |
595 | ||
596 | for (i = 0; i < mdata->nsects; i++) | |
597 | { | |
598 | bfd_mach_o_section *sec = mdata->sections[i]; | |
599 | unsigned int j, first, last; | |
600 | bfd_mach_o_symtab_command *symtab = mdata->symtab; | |
601 | bfd_vma addr; | |
602 | bfd_vma entry_size; | |
603 | ||
604 | switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK) | |
605 | { | |
606 | case BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS: | |
607 | case BFD_MACH_O_S_LAZY_SYMBOL_POINTERS: | |
608 | case BFD_MACH_O_S_SYMBOL_STUBS: | |
609 | first = sec->reserved1; | |
610 | last = first + bfd_mach_o_section_get_nbr_indirect (abfd, sec); | |
611 | addr = sec->addr; | |
612 | entry_size = bfd_mach_o_section_get_entry_size (abfd, sec); | |
613 | printf (" for section %s.%s:\n", | |
614 | sec->segname, sec->sectname); | |
615 | for (j = first; j < last; j++) | |
616 | { | |
617 | unsigned int isym = dysymtab->indirect_syms[j]; | |
618 | ||
619 | printf (" "); | |
620 | printf_vma (addr); | |
621 | printf (" %5u: 0x%08x", j, isym); | |
622 | if (isym & BFD_MACH_O_INDIRECT_SYMBOL_LOCAL) | |
623 | printf (" LOCAL"); | |
624 | if (isym & BFD_MACH_O_INDIRECT_SYMBOL_ABS) | |
625 | printf (" ABSOLUTE"); | |
626 | if (symtab && symtab->symbols | |
627 | && isym < symtab->nsyms | |
628 | && symtab->symbols[isym].symbol.name) | |
629 | printf (" %s", symtab->symbols[isym].symbol.name); | |
630 | printf ("\n"); | |
631 | addr += entry_size; | |
632 | } | |
633 | break; | |
634 | default: | |
635 | break; | |
636 | } | |
637 | } | |
638 | } | |
639 | if (dysymtab->nextrefsyms > 0) | |
640 | { | |
641 | bfd_mach_o_symtab_command *symtab = mdata->symtab; | |
642 | ||
643 | printf (" external reference table: (symbol flags)\n"); | |
644 | for (i = 0; i < dysymtab->nextrefsyms; i++) | |
645 | { | |
646 | bfd_mach_o_dylib_reference *ref = &dysymtab->ext_refs[i]; | |
647 | ||
648 | printf (" %4u: %5lu 0x%02lx", i, ref->isym, ref->flags); | |
649 | if (symtab && symtab->symbols | |
650 | && ref->isym < symtab->nsyms | |
651 | && symtab->symbols[ref->isym].symbol.name) | |
652 | printf (" %s", symtab->symbols[ref->isym].symbol.name); | |
653 | printf ("\n"); | |
654 | } | |
655 | } | |
656 | ||
657 | } | |
658 | ||
e89d3dee TG |
659 | static bfd_boolean |
660 | load_and_dump (bfd *abfd, ufile_ptr off, unsigned int len, | |
661 | void (*dump)(bfd *abfd, unsigned char *buf, unsigned int len, | |
662 | ufile_ptr off)) | |
663 | { | |
664 | unsigned char *buf; | |
665 | ||
666 | if (len == 0) | |
667 | return TRUE; | |
668 | ||
669 | buf = xmalloc (len); | |
670 | ||
671 | if (bfd_seek (abfd, off, SEEK_SET) == 0 | |
672 | && bfd_bread (buf, len, abfd) == len) | |
673 | dump (abfd, buf, len, off); | |
674 | else | |
675 | return FALSE; | |
676 | ||
677 | free (buf); | |
678 | return TRUE; | |
679 | } | |
680 | ||
681 | static const bfd_mach_o_xlat_name bfd_mach_o_dyld_rebase_type_name[] = | |
682 | { | |
683 | { "pointer", BFD_MACH_O_REBASE_TYPE_POINTER }, | |
684 | { "text_abs32", BFD_MACH_O_REBASE_TYPE_TEXT_ABSOLUTE32 }, | |
685 | { "text_pcrel32", BFD_MACH_O_REBASE_TYPE_TEXT_PCREL32 }, | |
686 | { NULL, 0 } | |
687 | }; | |
688 | ||
689 | static void | |
690 | dump_dyld_info_rebase (bfd *abfd, unsigned char *buf, unsigned int len, | |
691 | ufile_ptr off ATTRIBUTE_UNUSED) | |
692 | { | |
693 | unsigned int i; | |
694 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
695 | unsigned int ptrsize = mdata->header.version == 2 ? 8 : 4; | |
696 | ||
697 | for (i = 0; i < len; ) | |
698 | { | |
699 | unsigned char b = buf[i++]; | |
700 | unsigned char imm = b & BFD_MACH_O_REBASE_IMMEDIATE_MASK; | |
701 | bfd_vma leb; | |
702 | unsigned int leblen; | |
703 | ||
704 | printf (" [0x%04x] 0x%02x: ", i, b); | |
705 | switch (b & BFD_MACH_O_REBASE_OPCODE_MASK) | |
706 | { | |
707 | case BFD_MACH_O_REBASE_OPCODE_DONE: | |
708 | printf ("done\n"); | |
709 | return; | |
710 | case BFD_MACH_O_REBASE_OPCODE_SET_TYPE_IMM: | |
711 | printf ("set_type %s\n", | |
712 | bfd_mach_o_get_name (bfd_mach_o_dyld_rebase_type_name, imm)); | |
713 | break; | |
714 | case BFD_MACH_O_REBASE_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB: | |
5ad87552 | 715 | leb = read_leb128 (buf + i, buf + len, 0, &leblen, NULL); |
e89d3dee TG |
716 | printf ("set segment: %u and offset: 0x%08x\n", |
717 | imm, (unsigned) leb); | |
718 | i += leblen; | |
719 | break; | |
720 | case BFD_MACH_O_REBASE_OPCODE_ADD_ADDR_ULEB: | |
5ad87552 | 721 | leb = read_leb128 (buf + i, buf + len, 0, &leblen, NULL); |
e89d3dee TG |
722 | printf ("add addr uleb: 0x%08x\n", (unsigned) leb); |
723 | i += leblen; | |
724 | break; | |
725 | case BFD_MACH_O_REBASE_OPCODE_ADD_ADDR_IMM_SCALED: | |
726 | printf ("add addr imm scaled: %u\n", imm * ptrsize); | |
727 | break; | |
728 | case BFD_MACH_O_REBASE_OPCODE_DO_REBASE_IMM_TIMES: | |
729 | printf ("rebase imm times: %u\n", imm); | |
730 | break; | |
731 | case BFD_MACH_O_REBASE_OPCODE_DO_REBASE_ULEB_TIMES: | |
5ad87552 | 732 | leb = read_leb128 (buf + i, buf + len, 0, &leblen, NULL); |
e89d3dee TG |
733 | printf ("rebase uleb times: %u\n", (unsigned) leb); |
734 | i += leblen; | |
735 | break; | |
736 | case BFD_MACH_O_REBASE_OPCODE_DO_REBASE_ADD_ADDR_ULEB: | |
5ad87552 | 737 | leb = read_leb128 (buf + i, buf + len, 0, &leblen, NULL); |
e89d3dee TG |
738 | printf ("rebase add addr uleb: %u\n", (unsigned) leb); |
739 | i += leblen; | |
740 | break; | |
741 | case BFD_MACH_O_REBASE_OPCODE_DO_REBASE_ULEB_TIMES_SKIPPING_ULEB: | |
5ad87552 | 742 | leb = read_leb128 (buf + i, buf + len, 0, &leblen, NULL); |
e89d3dee TG |
743 | printf ("rebase uleb times (%u)", (unsigned) leb); |
744 | i += leblen; | |
5ad87552 | 745 | leb = read_leb128 (buf + i, buf + len, 0, &leblen, NULL); |
e89d3dee TG |
746 | printf (" skipping uleb (%u)\n", (unsigned) leb); |
747 | i += leblen; | |
748 | break; | |
749 | default: | |
750 | printf ("unknown\n"); | |
751 | return; | |
752 | } | |
753 | } | |
754 | printf (" rebase commands without end!\n"); | |
755 | } | |
756 | ||
757 | static void | |
758 | dump_dyld_info_bind (bfd *abfd, unsigned char *buf, unsigned int len, | |
759 | ufile_ptr off ATTRIBUTE_UNUSED) | |
760 | { | |
761 | unsigned int i; | |
762 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
763 | unsigned int ptrsize = mdata->header.version == 2 ? 8 : 4; | |
764 | ||
765 | for (i = 0; i < len; ) | |
766 | { | |
767 | unsigned char b = buf[i++]; | |
768 | unsigned char imm = b & BFD_MACH_O_BIND_IMMEDIATE_MASK; | |
769 | bfd_vma leb; | |
770 | unsigned int leblen; | |
771 | ||
772 | printf (" [0x%04x] 0x%02x: ", i, b); | |
773 | switch (b & BFD_MACH_O_BIND_OPCODE_MASK) | |
774 | { | |
775 | case BFD_MACH_O_BIND_OPCODE_DONE: | |
776 | printf ("done\n"); | |
777 | return; | |
778 | case BFD_MACH_O_BIND_OPCODE_SET_DYLIB_ORDINAL_IMM: | |
779 | printf ("set dylib ordinal imm: %u\n", imm); | |
780 | break; | |
781 | case BFD_MACH_O_BIND_OPCODE_SET_DYLIB_ORDINAL_ULEB: | |
5ad87552 | 782 | leb = read_leb128 (buf + i, buf + len, 0, &leblen, NULL); |
e89d3dee TG |
783 | printf ("set dylib ordinal uleb: %u\n", imm); |
784 | i += leblen; | |
785 | break; | |
786 | case BFD_MACH_O_BIND_OPCODE_SET_DYLIB_SPECIAL_IMM: | |
787 | imm = (imm != 0) ? imm | BFD_MACH_O_BIND_OPCODE_MASK : imm; | |
788 | printf ("set dylib special imm: %d\n", imm); | |
789 | break; | |
790 | case BFD_MACH_O_BIND_OPCODE_SET_SYMBOL_TRAILING_FLAGS_IMM: | |
791 | printf ("set symbol trailing flags imm: 0x%02x, ", imm); | |
792 | for (; i < len && buf[i] != 0; i++) | |
793 | putchar (buf[i] >= ' ' && buf[i] < 0x7f ? buf[i] : '?'); | |
794 | putchar ('\n'); | |
795 | i++; | |
796 | break; | |
797 | case BFD_MACH_O_BIND_OPCODE_SET_TYPE_IMM: | |
798 | /* Kludge: use the same table as rebase type. */ | |
799 | printf ("set_type %s\n", | |
800 | bfd_mach_o_get_name (bfd_mach_o_dyld_rebase_type_name, imm)); | |
801 | break; | |
802 | case BFD_MACH_O_BIND_OPCODE_SET_ADDEND_SLEB: | |
803 | { | |
804 | bfd_signed_vma svma; | |
5ad87552 | 805 | svma = read_leb128 (buf + i, buf + len, 0, &leblen, NULL); |
e89d3dee TG |
806 | printf ("set addend sleb: 0x%08x\n", (unsigned) svma); |
807 | i += leblen; | |
808 | } | |
809 | break; | |
810 | case BFD_MACH_O_BIND_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB: | |
5ad87552 | 811 | leb = read_leb128 (buf + i, buf + len, 0, &leblen, NULL); |
e89d3dee TG |
812 | printf ("set segment: %u and offset: 0x%08x\n", |
813 | imm, (unsigned) leb); | |
814 | i += leblen; | |
815 | break; | |
816 | case BFD_MACH_O_BIND_OPCODE_ADD_ADDR_ULEB: | |
5ad87552 | 817 | leb = read_leb128 (buf + i, buf + len, 0, &leblen, NULL); |
e89d3dee TG |
818 | printf ("add addr uleb: 0x%08x\n", (unsigned) leb); |
819 | i += leblen; | |
820 | break; | |
821 | case BFD_MACH_O_BIND_OPCODE_DO_BIND: | |
822 | printf ("do bind\n"); | |
823 | break; | |
824 | case BFD_MACH_O_BIND_OPCODE_DO_BIND_ADD_ADDR_ULEB: | |
5ad87552 | 825 | leb = read_leb128 (buf + i, buf + len, 0, &leblen, NULL); |
e89d3dee TG |
826 | printf ("do bind add addr uleb: 0x%08x\n", (unsigned) leb); |
827 | i += leblen; | |
828 | break; | |
829 | case BFD_MACH_O_BIND_OPCODE_DO_BIND_ADD_ADDR_IMM_SCALED: | |
830 | printf ("do bind add addr imm scaled: %u\n", imm * ptrsize); | |
831 | break; | |
832 | case BFD_MACH_O_BIND_OPCODE_DO_BIND_ULEB_TIMES_SKIPPING_ULEB: | |
5ad87552 | 833 | leb = read_leb128 (buf + i, buf + len, 0, &leblen, NULL); |
e89d3dee TG |
834 | printf ("do bind uleb times (%u)", (unsigned) leb); |
835 | i += leblen; | |
5ad87552 | 836 | leb = read_leb128 (buf + i, buf + len, 0, &leblen, NULL); |
e89d3dee TG |
837 | printf (" skipping uleb (%u)\n", (unsigned) leb); |
838 | i += leblen; | |
839 | break; | |
840 | default: | |
841 | printf ("unknown\n"); | |
842 | return; | |
843 | } | |
844 | } | |
845 | printf (" bind commands without end!\n"); | |
846 | } | |
847 | ||
848 | struct export_info_data | |
849 | { | |
850 | const unsigned char *name; | |
851 | struct export_info_data *next; | |
852 | }; | |
853 | ||
12fa714f | 854 | static void |
e89d3dee TG |
855 | dump_dyld_info_export_1 (bfd *abfd, unsigned char *buf, unsigned int len, |
856 | unsigned int off, struct export_info_data *parent, | |
857 | struct export_info_data *base) | |
858 | { | |
859 | bfd_vma size; | |
860 | unsigned int leblen; | |
861 | unsigned int child_count; | |
862 | unsigned int i; | |
863 | ||
5ad87552 | 864 | size = read_leb128 (buf + off, buf + len, 0, &leblen, NULL); |
e89d3dee TG |
865 | off += leblen; |
866 | ||
867 | if (size != 0) | |
868 | { | |
869 | bfd_vma flags; | |
870 | struct export_info_data *d; | |
871 | ||
5ad87552 | 872 | flags = read_leb128 (buf + off, buf + len, 0, &leblen, NULL); |
e89d3dee TG |
873 | off += leblen; |
874 | ||
875 | fputs (" ", stdout); | |
876 | switch (flags & BFD_MACH_O_EXPORT_SYMBOL_FLAGS_KIND_MASK) | |
877 | { | |
878 | case BFD_MACH_O_EXPORT_SYMBOL_FLAGS_KIND_REGULAR: | |
879 | putchar ('-'); | |
880 | break; | |
881 | case BFD_MACH_O_EXPORT_SYMBOL_FLAGS_KIND_THREAD_LOCAL: | |
882 | putchar ('T'); | |
883 | break; | |
884 | default: | |
885 | putchar ('?'); | |
886 | break; | |
887 | } | |
888 | putchar ((flags & BFD_MACH_O_EXPORT_SYMBOL_FLAGS_WEAK_DEFINITION) ? | |
889 | 'W' : '-'); | |
890 | ||
891 | if (flags & BFD_MACH_O_EXPORT_SYMBOL_FLAGS_REEXPORT) | |
892 | { | |
893 | bfd_vma lib; | |
894 | ||
5ad87552 | 895 | lib = read_leb128 (buf + off, buf + len, 0, &leblen, NULL); |
e89d3dee TG |
896 | off += leblen; |
897 | ||
898 | fputs (" [reexport] ", stdout); | |
899 | for (d = base; d != NULL; d = d->next) | |
900 | printf ("%s", d->name); | |
901 | ||
902 | fputs (" (", stdout); | |
903 | if (buf[off] != 0) | |
904 | { | |
905 | fputs ((const char *)buf + off, stdout); | |
906 | putchar (' '); | |
907 | off += strlen ((const char *)buf + off); | |
908 | } | |
909 | printf ("from dylib %u)\n", (unsigned) lib); | |
910 | off++; | |
911 | } | |
912 | else | |
913 | { | |
914 | bfd_vma offset; | |
915 | bfd_vma resolv = 0; | |
916 | ||
5ad87552 | 917 | offset = read_leb128 (buf + off, buf + len, 0, &leblen, NULL); |
e89d3dee TG |
918 | off += leblen; |
919 | ||
920 | if (flags & BFD_MACH_O_EXPORT_SYMBOL_FLAGS_STUB_AND_RESOLVER) | |
921 | { | |
5ad87552 | 922 | resolv = read_leb128 (buf + off, buf + len, 0, &leblen, NULL); |
e89d3dee TG |
923 | off += leblen; |
924 | } | |
925 | ||
926 | printf (" 0x%08x ", (unsigned) offset); | |
927 | for (d = base; d != NULL; d = d->next) | |
928 | printf ("%s", d->name); | |
929 | if (flags & BFD_MACH_O_EXPORT_SYMBOL_FLAGS_STUB_AND_RESOLVER) | |
930 | printf (" [resolv: 0x%08x]", (unsigned) resolv); | |
931 | printf ("\n"); | |
932 | } | |
933 | } | |
934 | ||
5ad87552 | 935 | child_count = read_leb128 (buf + off, buf + len, 0, &leblen, NULL); |
e89d3dee TG |
936 | off += leblen; |
937 | ||
938 | for (i = 0; i < child_count; i++) | |
939 | { | |
940 | struct export_info_data sub_data; | |
941 | bfd_vma sub_off; | |
942 | ||
943 | sub_data.name = buf + off; | |
944 | sub_data.next = NULL; | |
945 | parent->next = &sub_data; | |
946 | ||
947 | off += strlen ((const char *)buf + off) + 1; | |
948 | ||
5ad87552 | 949 | sub_off = read_leb128 (buf + off, buf + len, 0, &leblen, NULL); |
e89d3dee TG |
950 | off += leblen; |
951 | ||
952 | dump_dyld_info_export_1 (abfd, buf, len, sub_off, &sub_data, base); | |
953 | } | |
954 | } | |
955 | ||
956 | static void | |
957 | dump_dyld_info_export (bfd *abfd, unsigned char *buf, unsigned int len, | |
958 | ufile_ptr off ATTRIBUTE_UNUSED) | |
959 | { | |
960 | struct export_info_data data; | |
961 | ||
962 | data.name = (const unsigned char *) ""; | |
963 | data.next = NULL; | |
964 | ||
965 | printf (" fl offset sym (Flags: Tls Weak)\n"); | |
966 | dump_dyld_info_export_1 (abfd, buf, len, 0, &data, &data); | |
967 | } | |
968 | ||
969 | static void | |
970 | dump_dyld_info (bfd *abfd, bfd_mach_o_load_command *cmd, | |
971 | bfd_boolean verbose) | |
12fa714f | 972 | { |
16412c3b | 973 | bfd_mach_o_dyld_info_command *dinfo = &cmd->command.dyld_info; |
12fa714f | 974 | |
47f8a107 | 975 | printf (" rebase: off: 0x%08x size: %-8u (endoff: 0x%08x)\n", |
16412c3b AM |
976 | dinfo->rebase_off, dinfo->rebase_size, |
977 | dinfo->rebase_off + dinfo->rebase_size); | |
47f8a107 | 978 | printf (" bind: off: 0x%08x size: %-8u (endoff: 0x%08x)\n", |
16412c3b AM |
979 | dinfo->bind_off, dinfo->bind_size, |
980 | dinfo->bind_off + dinfo->bind_size); | |
47f8a107 | 981 | printf (" weak bind: off: 0x%08x size: %-8u (endoff: 0x%08x)\n", |
16412c3b AM |
982 | dinfo->weak_bind_off, dinfo->weak_bind_size, |
983 | dinfo->weak_bind_off + dinfo->weak_bind_size); | |
47f8a107 | 984 | printf (" lazy bind: off: 0x%08x size: %-8u (endoff: 0x%08x)\n", |
16412c3b AM |
985 | dinfo->lazy_bind_off, dinfo->lazy_bind_size, |
986 | dinfo->lazy_bind_off + dinfo->lazy_bind_size); | |
47f8a107 | 987 | printf (" export: off: 0x%08x size: %-8u (endoff: 0x%08x)\n", |
16412c3b AM |
988 | dinfo->export_off, dinfo->export_size, |
989 | dinfo->export_off + dinfo->export_size); | |
e89d3dee TG |
990 | |
991 | if (!verbose) | |
992 | return; | |
993 | ||
994 | printf (" rebase:\n"); | |
16412c3b | 995 | if (!load_and_dump (abfd, dinfo->rebase_off, dinfo->rebase_size, |
e89d3dee TG |
996 | dump_dyld_info_rebase)) |
997 | non_fatal (_("cannot read rebase dyld info")); | |
998 | ||
999 | printf (" bind:\n"); | |
16412c3b | 1000 | if (!load_and_dump (abfd, dinfo->bind_off, dinfo->bind_size, |
e89d3dee TG |
1001 | dump_dyld_info_bind)) |
1002 | non_fatal (_("cannot read bind dyld info")); | |
1003 | ||
1004 | printf (" weak bind:\n"); | |
16412c3b | 1005 | if (!load_and_dump (abfd, dinfo->weak_bind_off, dinfo->weak_bind_size, |
e89d3dee TG |
1006 | dump_dyld_info_bind)) |
1007 | non_fatal (_("cannot read weak bind dyld info")); | |
1008 | ||
1009 | printf (" lazy bind:\n"); | |
16412c3b | 1010 | if (!load_and_dump (abfd, dinfo->lazy_bind_off, dinfo->lazy_bind_size, |
e89d3dee TG |
1011 | dump_dyld_info_bind)) |
1012 | non_fatal (_("cannot read lazy bind dyld info")); | |
1013 | ||
1014 | printf (" exported symbols:\n"); | |
16412c3b | 1015 | if (!load_and_dump (abfd, dinfo->export_off, dinfo->export_size, |
e89d3dee TG |
1016 | dump_dyld_info_export)) |
1017 | non_fatal (_("cannot read export symbols dyld info")); | |
12fa714f TG |
1018 | } |
1019 | ||
1020 | static void | |
1021 | dump_thread (bfd *abfd, bfd_mach_o_load_command *cmd) | |
1022 | { | |
1023 | bfd_mach_o_thread_command *thread = &cmd->command.thread; | |
1024 | unsigned int j; | |
1025 | bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd); | |
1026 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
1027 | ||
1028 | printf (" nflavours: %lu\n", thread->nflavours); | |
1029 | for (j = 0; j < thread->nflavours; j++) | |
1030 | { | |
1031 | bfd_mach_o_thread_flavour *flavour = &thread->flavours[j]; | |
1032 | const bfd_mach_o_xlat_name *name_table; | |
1033 | ||
1034 | printf (" %2u: flavour: 0x%08lx", j, flavour->flavour); | |
1035 | switch (mdata->header.cputype) | |
1036 | { | |
1037 | case BFD_MACH_O_CPU_TYPE_I386: | |
1038 | case BFD_MACH_O_CPU_TYPE_X86_64: | |
1039 | name_table = bfd_mach_o_thread_x86_name; | |
1040 | break; | |
1041 | default: | |
1042 | name_table = NULL; | |
1043 | break; | |
1044 | } | |
1045 | if (name_table != NULL) | |
1046 | printf (": %s", bfd_mach_o_get_name (name_table, flavour->flavour)); | |
1047 | putchar ('\n'); | |
1048 | ||
1049 | printf (" offset: 0x%08lx size: 0x%08lx\n", | |
1050 | flavour->offset, flavour->size); | |
1051 | if (bed->_bfd_mach_o_print_thread) | |
1052 | { | |
1053 | char *buf = xmalloc (flavour->size); | |
1054 | ||
2634e8c8 TG |
1055 | if (bfd_seek (abfd, flavour->offset, SEEK_SET) == 0 |
1056 | && bfd_bread (buf, flavour->size, abfd) == flavour->size) | |
12fa714f | 1057 | (*bed->_bfd_mach_o_print_thread)(abfd, flavour, stdout, buf); |
2634e8c8 | 1058 | |
12fa714f TG |
1059 | free (buf); |
1060 | } | |
1061 | } | |
1062 | } | |
1063 | ||
2634e8c8 TG |
1064 | static const bfd_mach_o_xlat_name bfd_mach_o_cs_magic[] = |
1065 | { | |
1066 | { "embedded signature", BFD_MACH_O_CS_MAGIC_EMBEDDED_SIGNATURE }, | |
1067 | { "requirement", BFD_MACH_O_CS_MAGIC_REQUIREMENT }, | |
1068 | { "requirements", BFD_MACH_O_CS_MAGIC_REQUIREMENTS }, | |
1069 | { "code directory", BFD_MACH_O_CS_MAGIC_CODEDIRECTORY }, | |
1070 | { "embedded entitlements", BFD_MACH_O_CS_MAGIC_EMBEDDED_ENTITLEMENTS }, | |
1071 | { "blob wrapper", BFD_MACH_O_CS_MAGIC_BLOB_WRAPPER }, | |
1072 | { NULL, 0 } | |
1073 | }; | |
1074 | ||
1075 | static const bfd_mach_o_xlat_name bfd_mach_o_cs_hash_type[] = | |
1076 | { | |
1077 | { "no-hash", BFD_MACH_O_CS_NO_HASH }, | |
1078 | { "sha1", BFD_MACH_O_CS_HASH_SHA1 }, | |
1079 | { "sha256", BFD_MACH_O_CS_HASH_SHA256 }, | |
1080 | { "skein 160", BFD_MACH_O_CS_HASH_PRESTANDARD_SKEIN_160x256 }, | |
1081 | { "skein 256", BFD_MACH_O_CS_HASH_PRESTANDARD_SKEIN_256x512 }, | |
1082 | { NULL, 0 } | |
1083 | }; | |
1084 | ||
1085 | static unsigned int | |
1086 | dump_code_signature_blob (bfd *abfd, const unsigned char *buf, unsigned int len); | |
1087 | ||
1088 | static void | |
1089 | dump_code_signature_superblob (bfd *abfd ATTRIBUTE_UNUSED, | |
1090 | const unsigned char *buf, unsigned int len) | |
1091 | { | |
1092 | unsigned int count; | |
1093 | unsigned int i; | |
1094 | ||
1095 | if (len < 12) | |
1096 | { | |
1097 | printf (_(" [bad block length]\n")); | |
1098 | return; | |
1099 | } | |
1100 | count = bfd_getb32 (buf + 8); | |
d3a49aa8 AM |
1101 | printf (ngettext (" %u index entry:\n", |
1102 | " %u index entries:\n", | |
1103 | count), | |
1104 | count); | |
2634e8c8 TG |
1105 | if (len < 12 + 8 * count) |
1106 | { | |
1107 | printf (_(" [bad block length]\n")); | |
1108 | return; | |
1109 | } | |
1110 | for (i = 0; i < count; i++) | |
1111 | { | |
1112 | unsigned int type; | |
1113 | unsigned int off; | |
1114 | ||
1115 | type = bfd_getb32 (buf + 12 + 8 * i); | |
1116 | off = bfd_getb32 (buf + 12 + 8 * i + 4); | |
1117 | printf (_(" index entry %u: type: %08x, offset: %08x\n"), | |
1118 | i, type, off); | |
1119 | ||
1120 | dump_code_signature_blob (abfd, buf + off, len - off); | |
1121 | } | |
1122 | } | |
1123 | ||
1124 | static void | |
1125 | swap_code_codedirectory_v1_in | |
1126 | (const struct mach_o_codesign_codedirectory_external_v1 *src, | |
1127 | struct mach_o_codesign_codedirectory_v1 *dst) | |
1128 | { | |
1129 | dst->version = bfd_getb32 (src->version); | |
1130 | dst->flags = bfd_getb32 (src->flags); | |
1131 | dst->hash_offset = bfd_getb32 (src->hash_offset); | |
1132 | dst->ident_offset = bfd_getb32 (src->ident_offset); | |
1133 | dst->nbr_special_slots = bfd_getb32 (src->nbr_special_slots); | |
1134 | dst->nbr_code_slots = bfd_getb32 (src->nbr_code_slots); | |
1135 | dst->code_limit = bfd_getb32 (src->code_limit); | |
1136 | dst->hash_size = src->hash_size[0]; | |
1137 | dst->hash_type = src->hash_type[0]; | |
1138 | dst->spare1 = src->spare1[0]; | |
1139 | dst->page_size = src->page_size[0]; | |
1140 | dst->spare2 = bfd_getb32 (src->spare2); | |
1141 | } | |
1142 | ||
1143 | static void | |
1144 | hexdump (unsigned int start, unsigned int len, | |
1145 | const unsigned char *buf) | |
1146 | { | |
1147 | unsigned int i, j; | |
1148 | ||
1149 | for (i = 0; i < len; i += 16) | |
1150 | { | |
1151 | printf ("%08x:", start + i); | |
1152 | for (j = 0; j < 16; j++) | |
1153 | { | |
1154 | fputc (j == 8 ? '-' : ' ', stdout); | |
1155 | if (i + j < len) | |
1156 | printf ("%02x", buf[i + j]); | |
1157 | else | |
1158 | fputs (" ", stdout); | |
1159 | } | |
1160 | fputc (' ', stdout); | |
1161 | for (j = 0; j < 16; j++) | |
1162 | { | |
1163 | if (i + j < len) | |
1164 | fputc (ISPRINT (buf[i + j]) ? buf[i + j] : '.', stdout); | |
1165 | else | |
1166 | fputc (' ', stdout); | |
1167 | } | |
1168 | fputc ('\n', stdout); | |
1169 | } | |
1170 | } | |
1171 | ||
1172 | static void | |
1173 | dump_code_signature_codedirectory (bfd *abfd ATTRIBUTE_UNUSED, | |
1174 | const unsigned char *buf, unsigned int len) | |
1175 | { | |
1176 | struct mach_o_codesign_codedirectory_v1 cd; | |
1177 | const char *id; | |
1178 | ||
1179 | if (len < sizeof (struct mach_o_codesign_codedirectory_external_v1)) | |
1180 | { | |
1181 | printf (_(" [bad block length]\n")); | |
1182 | return; | |
1183 | } | |
1184 | ||
1185 | swap_code_codedirectory_v1_in | |
1186 | ((const struct mach_o_codesign_codedirectory_external_v1 *) (buf + 8), &cd); | |
1187 | ||
1188 | printf (_(" version: %08x\n"), cd.version); | |
1189 | printf (_(" flags: %08x\n"), cd.flags); | |
1190 | printf (_(" hash offset: %08x\n"), cd.hash_offset); | |
1191 | id = (const char *) buf + cd.ident_offset; | |
1192 | printf (_(" ident offset: %08x (- %08x)\n"), | |
1193 | cd.ident_offset, cd.ident_offset + (unsigned) strlen (id) + 1); | |
1194 | printf (_(" identity: %s\n"), id); | |
1195 | printf (_(" nbr special slots: %08x (at offset %08x)\n"), | |
1196 | cd.nbr_special_slots, | |
1197 | cd.hash_offset - cd.nbr_special_slots * cd.hash_size); | |
1198 | printf (_(" nbr code slots: %08x\n"), cd.nbr_code_slots); | |
1199 | printf (_(" code limit: %08x\n"), cd.code_limit); | |
1200 | printf (_(" hash size: %02x\n"), cd.hash_size); | |
1201 | printf (_(" hash type: %02x (%s)\n"), | |
1202 | cd.hash_type, | |
1203 | bfd_mach_o_get_name (bfd_mach_o_cs_hash_type, cd.hash_type)); | |
1204 | printf (_(" spare1: %02x\n"), cd.spare1); | |
1205 | printf (_(" page size: %02x\n"), cd.page_size); | |
1206 | printf (_(" spare2: %08x\n"), cd.spare2); | |
1207 | if (cd.version >= 0x20100) | |
1208 | printf (_(" scatter offset: %08x\n"), | |
1209 | (unsigned) bfd_getb32 (buf + 44)); | |
1210 | } | |
1211 | ||
1212 | static unsigned int | |
1213 | dump_code_signature_blob (bfd *abfd, const unsigned char *buf, unsigned int len) | |
1214 | { | |
1215 | unsigned int magic; | |
1216 | unsigned int length; | |
1217 | ||
1218 | if (len < 8) | |
1219 | { | |
1220 | printf (_(" [truncated block]\n")); | |
1221 | return 0; | |
1222 | } | |
1223 | magic = bfd_getb32 (buf); | |
1224 | length = bfd_getb32 (buf + 4); | |
1225 | if (magic == 0 || length == 0) | |
1226 | return 0; | |
1227 | ||
1228 | printf (_(" magic : %08x (%s)\n"), magic, | |
1229 | bfd_mach_o_get_name (bfd_mach_o_cs_magic, magic)); | |
1230 | printf (_(" length: %08x\n"), length); | |
1231 | if (length > len) | |
1232 | { | |
1233 | printf (_(" [bad block length]\n")); | |
1234 | return 0; | |
1235 | } | |
1236 | ||
1237 | switch (magic) | |
1238 | { | |
1239 | case BFD_MACH_O_CS_MAGIC_EMBEDDED_SIGNATURE: | |
1240 | dump_code_signature_superblob (abfd, buf, length); | |
1241 | break; | |
1242 | case BFD_MACH_O_CS_MAGIC_CODEDIRECTORY: | |
1243 | dump_code_signature_codedirectory (abfd, buf, length); | |
1244 | break; | |
1245 | default: | |
1246 | hexdump (0, length - 8, buf + 8); | |
1247 | break; | |
1248 | } | |
1249 | return length; | |
1250 | } | |
1251 | ||
1252 | static void | |
1253 | dump_code_signature (bfd *abfd, bfd_mach_o_linkedit_command *cmd) | |
1254 | { | |
1255 | unsigned char *buf = xmalloc (cmd->datasize); | |
1256 | unsigned int off; | |
1257 | ||
1258 | if (bfd_seek (abfd, cmd->dataoff, SEEK_SET) != 0 | |
1259 | || bfd_bread (buf, cmd->datasize, abfd) != cmd->datasize) | |
1260 | { | |
1261 | non_fatal (_("cannot read code signature data")); | |
1262 | free (buf); | |
1263 | return; | |
1264 | } | |
1265 | for (off = 0; off < cmd->datasize;) | |
1266 | { | |
1267 | unsigned int len; | |
1268 | ||
1269 | len = dump_code_signature_blob (abfd, buf + off, cmd->datasize - off); | |
1270 | ||
1271 | if (len == 0) | |
1272 | break; | |
1273 | off += len; | |
1274 | } | |
1275 | free (buf); | |
1276 | } | |
1277 | ||
2128eb39 TG |
1278 | static void |
1279 | dump_segment_split_info (bfd *abfd, bfd_mach_o_linkedit_command *cmd) | |
1280 | { | |
1281 | unsigned char *buf = xmalloc (cmd->datasize); | |
1282 | unsigned char *p; | |
1283 | unsigned int len; | |
1284 | bfd_vma addr = 0; | |
1285 | ||
1286 | if (bfd_seek (abfd, cmd->dataoff, SEEK_SET) != 0 | |
1287 | || bfd_bread (buf, cmd->datasize, abfd) != cmd->datasize) | |
1288 | { | |
1289 | non_fatal (_("cannot read segment split info")); | |
1290 | free (buf); | |
1291 | return; | |
1292 | } | |
1293 | if (buf[cmd->datasize - 1] != 0) | |
1294 | { | |
1295 | non_fatal (_("segment split info is not nul terminated")); | |
1296 | free (buf); | |
1297 | return; | |
1298 | } | |
1299 | ||
1300 | switch (buf[0]) | |
1301 | { | |
1302 | case 0: | |
1303 | printf (_(" 32 bit pointers:\n")); | |
1304 | break; | |
1305 | case 1: | |
1306 | printf (_(" 64 bit pointers:\n")); | |
1307 | break; | |
1308 | case 2: | |
1309 | printf (_(" PPC hi-16:\n")); | |
1310 | break; | |
1311 | default: | |
1312 | printf (_(" Unhandled location type %u\n"), buf[0]); | |
1313 | break; | |
1314 | } | |
1315 | for (p = buf + 1; *p != 0; p += len) | |
1316 | { | |
5ad87552 | 1317 | addr += read_leb128 (p, buf + cmd->datasize, 0, &len, NULL); |
2128eb39 TG |
1318 | fputs (" ", stdout); |
1319 | bfd_printf_vma (abfd, addr); | |
1320 | putchar ('\n'); | |
1321 | } | |
1322 | free (buf); | |
1323 | } | |
1324 | ||
3cc27770 TG |
1325 | static void |
1326 | dump_function_starts (bfd *abfd, bfd_mach_o_linkedit_command *cmd) | |
1327 | { | |
1328 | unsigned char *buf = xmalloc (cmd->datasize); | |
1329 | unsigned char *end_buf = buf + cmd->datasize; | |
1330 | unsigned char *p; | |
1331 | bfd_vma addr; | |
1332 | ||
1333 | if (bfd_seek (abfd, cmd->dataoff, SEEK_SET) != 0 | |
1334 | || bfd_bread (buf, cmd->datasize, abfd) != cmd->datasize) | |
1335 | { | |
1336 | non_fatal (_("cannot read function starts")); | |
1337 | free (buf); | |
1338 | return; | |
1339 | } | |
1340 | ||
1341 | /* Function starts are delta encoded, starting from the base address. */ | |
1342 | addr = bfd_mach_o_get_base_address (abfd); | |
1343 | ||
1344 | for (p = buf; ;) | |
1345 | { | |
1346 | bfd_vma delta = 0; | |
1347 | unsigned int shift = 0; | |
1348 | ||
1349 | if (*p == 0 || p == end_buf) | |
1350 | break; | |
1351 | while (1) | |
1352 | { | |
1353 | unsigned char b = *p++; | |
1354 | ||
1355 | delta |= (b & 0x7f) << shift; | |
1356 | if ((b & 0x80) == 0) | |
1357 | break; | |
1358 | if (p == end_buf) | |
1359 | { | |
1360 | fputs (" [truncated]\n", stdout); | |
1361 | break; | |
1362 | } | |
1363 | shift += 7; | |
1364 | } | |
1365 | ||
1366 | addr += delta; | |
1367 | fputs (" ", stdout); | |
1368 | bfd_printf_vma (abfd, addr); | |
1369 | putchar ('\n'); | |
1370 | } | |
1371 | free (buf); | |
1372 | } | |
1373 | ||
c275b681 TG |
1374 | static const bfd_mach_o_xlat_name data_in_code_kind_name[] = |
1375 | { | |
1376 | { "data", BFD_MACH_O_DICE_KIND_DATA }, | |
1377 | { "1 byte jump table", BFD_MACH_O_DICE_JUMP_TABLES8 }, | |
1378 | { "2 bytes jump table", BFD_MACH_O_DICE_JUMP_TABLES16 }, | |
1379 | { "4 bytes jump table", BFD_MACH_O_DICE_JUMP_TABLES32 }, | |
1380 | { "4 bytes abs jump table", BFD_MACH_O_DICE_ABS_JUMP_TABLES32 }, | |
1381 | { NULL, 0 } | |
1382 | }; | |
1383 | ||
1384 | static void | |
1385 | dump_data_in_code (bfd *abfd, bfd_mach_o_linkedit_command *cmd) | |
1386 | { | |
1387 | unsigned char *buf; | |
1388 | unsigned char *p; | |
1389 | ||
1390 | if (cmd->datasize == 0) | |
1391 | { | |
1392 | printf (" no data_in_code entries\n"); | |
1393 | return; | |
1394 | } | |
1395 | ||
1396 | buf = xmalloc (cmd->datasize); | |
1397 | if (bfd_seek (abfd, cmd->dataoff, SEEK_SET) != 0 | |
1398 | || bfd_bread (buf, cmd->datasize, abfd) != cmd->datasize) | |
1399 | { | |
7a79c514 | 1400 | non_fatal (_("cannot read data_in_code")); |
c275b681 TG |
1401 | free (buf); |
1402 | return; | |
1403 | } | |
1404 | ||
1405 | printf (" offset length kind\n"); | |
1406 | for (p = buf; p < buf + cmd->datasize; ) | |
1407 | { | |
1408 | struct mach_o_data_in_code_entry_external *dice; | |
1409 | unsigned int offset; | |
1410 | unsigned int length; | |
1411 | unsigned int kind; | |
1412 | ||
1413 | dice = (struct mach_o_data_in_code_entry_external *) p; | |
1414 | ||
1415 | offset = bfd_get_32 (abfd, dice->offset); | |
1416 | length = bfd_get_16 (abfd, dice->length); | |
1417 | kind = bfd_get_16 (abfd, dice->kind); | |
1418 | ||
1419 | printf (" 0x%08x 0x%04x 0x%04x %s\n", offset, length, kind, | |
1420 | bfd_mach_o_get_name (data_in_code_kind_name, kind)); | |
1421 | ||
1422 | p += sizeof (*dice); | |
1423 | } | |
1424 | free (buf); | |
1425 | } | |
1426 | ||
7a79c514 TG |
1427 | static void |
1428 | dump_twolevel_hints (bfd *abfd, bfd_mach_o_twolevel_hints_command *cmd) | |
1429 | { | |
1430 | size_t sz = 4 * cmd->nhints; | |
1431 | unsigned char *buf; | |
1432 | unsigned char *p; | |
1433 | ||
1434 | buf = xmalloc (sz); | |
1435 | if (bfd_seek (abfd, cmd->offset, SEEK_SET) != 0 | |
1436 | || bfd_bread (buf, sz, abfd) != sz) | |
1437 | { | |
1438 | non_fatal (_("cannot read twolevel hints")); | |
1439 | free (buf); | |
1440 | return; | |
1441 | } | |
1442 | ||
1443 | for (p = buf; p < buf + sz; p += 4) | |
1444 | { | |
1445 | unsigned int v; | |
1446 | unsigned int isub_image; | |
1447 | unsigned int itoc; | |
1448 | ||
1449 | v = bfd_get_32 (abfd, p); | |
1450 | if (bfd_big_endian (abfd)) | |
1451 | { | |
1452 | isub_image = (v >> 24) & 0xff; | |
1453 | itoc = v & 0xffffff; | |
1454 | } | |
1455 | else | |
1456 | { | |
1457 | isub_image = v & 0xff; | |
1458 | itoc = (v >> 8) & 0xffffff; | |
1459 | } | |
1460 | ||
1461 | printf (" %3u %8u\n", isub_image, itoc); | |
1462 | } | |
1463 | free (buf); | |
1464 | } | |
1465 | ||
fc7b364a RB |
1466 | static void |
1467 | printf_version (uint32_t version) | |
1468 | { | |
1469 | uint32_t maj, min, upd; | |
1470 | ||
1471 | maj = (version >> 16) & 0xffff; | |
1472 | min = (version >> 8) & 0xff; | |
1473 | upd = version & 0xff; | |
1474 | ||
1475 | printf ("%u.%u.%u", maj, min, upd); | |
1476 | } | |
1477 | ||
1478 | static void | |
1479 | dump_build_version (bfd *abfd, bfd_mach_o_load_command *cmd) | |
1480 | { | |
1481 | const char *platform_name; | |
1482 | size_t tools_len, tools_offset; | |
1483 | bfd_mach_o_build_version_tool *tools, *tool; | |
1484 | bfd_mach_o_build_version_command *ver = &cmd->command.build_version; | |
1485 | uint32_t i; | |
1486 | ||
1487 | platform_name = bfd_mach_o_get_name_or_null | |
1488 | (bfd_mach_o_platform_name, ver->platform); | |
1489 | if (platform_name == NULL) | |
1490 | printf (" platform: 0x%08x\n", ver->platform); | |
1491 | else | |
1492 | printf (" platform: %s\n", platform_name); | |
1493 | printf (" os: "); | |
1494 | printf_version (ver->minos); | |
1495 | printf ("\n sdk: "); | |
1496 | printf_version (ver->sdk); | |
1497 | printf ("\n ntools: %u\n", ver->ntools); | |
1498 | ||
1499 | tools_len = sizeof (bfd_mach_o_build_version_tool) * ver->ntools; | |
1500 | tools_offset = cmd->offset + cmd->len - tools_len; | |
1501 | ||
1502 | tools = xmalloc (tools_len); | |
1503 | if (bfd_seek (abfd, tools_offset, SEEK_SET) != 0 | |
1504 | || bfd_bread (tools, tools_len, abfd) != tools_len) | |
1505 | { | |
1506 | non_fatal (_("cannot read build tools")); | |
1507 | free (tools); | |
1508 | return; | |
1509 | } | |
1510 | ||
1511 | for (i = 0, tool = tools; i < ver->ntools; i++, tool++) | |
1512 | { | |
1513 | const char * tool_name; | |
1514 | ||
1515 | tool_name = bfd_mach_o_get_name_or_null | |
1516 | (bfd_mach_o_tool_name, tool->tool); | |
1517 | if (tool_name == NULL) | |
1518 | printf (" tool: 0x%08x\n", tool->tool); | |
1519 | else | |
1520 | printf (" tool: %s\n", tool_name); | |
1521 | printf (" version: "); | |
1522 | printf_version (tool->version); | |
1523 | printf ("\n"); | |
1524 | } | |
1525 | free (tools); | |
1526 | } | |
1527 | ||
12fa714f TG |
1528 | static void |
1529 | dump_load_command (bfd *abfd, bfd_mach_o_load_command *cmd, | |
47f8a107 | 1530 | unsigned int idx, bfd_boolean verbose) |
12fa714f TG |
1531 | { |
1532 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
1533 | const char *cmd_name; | |
1534 | ||
1535 | cmd_name = bfd_mach_o_get_name_or_null | |
1536 | (bfd_mach_o_load_command_name, cmd->type); | |
47f8a107 TG |
1537 | printf ("Load command #%-2u (size: %3u, offset: %4u): ", |
1538 | idx, cmd->len, cmd->offset); | |
12fa714f | 1539 | if (cmd_name == NULL) |
47f8a107 | 1540 | printf ("0x%02x\n", cmd->type); |
12fa714f | 1541 | else |
47f8a107 | 1542 | printf ("%s\n", cmd_name); |
12fa714f TG |
1543 | |
1544 | switch (cmd->type) | |
1545 | { | |
1546 | case BFD_MACH_O_LC_SEGMENT: | |
1547 | case BFD_MACH_O_LC_SEGMENT_64: | |
1548 | dump_segment (abfd, cmd); | |
1549 | break; | |
1550 | case BFD_MACH_O_LC_UUID: | |
1551 | { | |
1552 | bfd_mach_o_uuid_command *uuid = &cmd->command.uuid; | |
1553 | unsigned int j; | |
1554 | ||
47f8a107 | 1555 | printf (" "); |
12fa714f TG |
1556 | for (j = 0; j < sizeof (uuid->uuid); j ++) |
1557 | printf (" %02x", uuid->uuid[j]); | |
1558 | putchar ('\n'); | |
1559 | } | |
1560 | break; | |
1561 | case BFD_MACH_O_LC_LOAD_DYLIB: | |
fbe383b9 | 1562 | case BFD_MACH_O_LC_LAZY_LOAD_DYLIB: |
12fa714f TG |
1563 | case BFD_MACH_O_LC_LOAD_WEAK_DYLIB: |
1564 | case BFD_MACH_O_LC_REEXPORT_DYLIB: | |
1565 | case BFD_MACH_O_LC_ID_DYLIB: | |
1566 | case BFD_MACH_O_LC_LOAD_UPWARD_DYLIB: | |
1567 | { | |
1568 | bfd_mach_o_dylib_command *dylib = &cmd->command.dylib; | |
47f8a107 | 1569 | printf (" name: %s\n", dylib->name_str); |
12fa714f TG |
1570 | printf (" time stamp: 0x%08lx\n", |
1571 | dylib->timestamp); | |
1572 | printf (" current version: 0x%08lx\n", | |
1573 | dylib->current_version); | |
1574 | printf (" comptibility version: 0x%08lx\n", | |
1575 | dylib->compatibility_version); | |
12fa714f | 1576 | } |
9f4a5bd1 | 1577 | break; |
12fa714f TG |
1578 | case BFD_MACH_O_LC_LOAD_DYLINKER: |
1579 | case BFD_MACH_O_LC_ID_DYLINKER: | |
47f8a107 | 1580 | printf (" %s\n", cmd->command.dylinker.name_str); |
12fa714f | 1581 | break; |
10be66a4 | 1582 | case BFD_MACH_O_LC_DYLD_ENVIRONMENT: |
47f8a107 | 1583 | printf (" %s\n", cmd->command.dylinker.name_str); |
10be66a4 | 1584 | break; |
12fa714f TG |
1585 | case BFD_MACH_O_LC_SYMTAB: |
1586 | { | |
1587 | bfd_mach_o_symtab_command *symtab = &cmd->command.symtab; | |
47f8a107 | 1588 | printf (" symoff: 0x%08x nsyms: %8u (endoff: 0x%08x)\n", |
12fa714f TG |
1589 | symtab->symoff, symtab->nsyms, |
1590 | symtab->symoff + symtab->nsyms | |
1591 | * (mdata->header.version == 2 | |
1592 | ? BFD_MACH_O_NLIST_64_SIZE : BFD_MACH_O_NLIST_SIZE)); | |
1593 | printf (" stroff: 0x%08x strsize: %8u (endoff: 0x%08x)\n", | |
1594 | symtab->stroff, symtab->strsize, | |
1595 | symtab->stroff + symtab->strsize); | |
1596 | break; | |
1597 | } | |
1598 | case BFD_MACH_O_LC_DYSYMTAB: | |
12fa714f TG |
1599 | dump_dysymtab (abfd, cmd, verbose); |
1600 | break; | |
9f4a5bd1 TG |
1601 | case BFD_MACH_O_LC_LOADFVMLIB: |
1602 | case BFD_MACH_O_LC_IDFVMLIB: | |
1603 | { | |
1604 | bfd_mach_o_fvmlib_command *fvmlib = &cmd->command.fvmlib; | |
47f8a107 | 1605 | printf (" fvmlib: %s\n", fvmlib->name_str); |
9f4a5bd1 TG |
1606 | printf (" minor version: 0x%08x\n", fvmlib->minor_version); |
1607 | printf (" header address: 0x%08x\n", fvmlib->header_addr); | |
1608 | } | |
1609 | break; | |
12fa714f TG |
1610 | case BFD_MACH_O_LC_CODE_SIGNATURE: |
1611 | case BFD_MACH_O_LC_SEGMENT_SPLIT_INFO: | |
1612 | case BFD_MACH_O_LC_FUNCTION_STARTS: | |
10be66a4 TG |
1613 | case BFD_MACH_O_LC_DATA_IN_CODE: |
1614 | case BFD_MACH_O_LC_DYLIB_CODE_SIGN_DRS: | |
d768f160 SJ |
1615 | case BFD_MACH_O_LC_DYLD_EXPORTS_TRIE: |
1616 | case BFD_MACH_O_LC_DYLD_CHAINED_FIXUPS: | |
12fa714f TG |
1617 | { |
1618 | bfd_mach_o_linkedit_command *linkedit = &cmd->command.linkedit; | |
1619 | printf | |
47f8a107 | 1620 | (" dataoff: 0x%08lx datasize: 0x%08lx (endoff: 0x%08lx)\n", |
12fa714f TG |
1621 | linkedit->dataoff, linkedit->datasize, |
1622 | linkedit->dataoff + linkedit->datasize); | |
2634e8c8 | 1623 | |
c275b681 TG |
1624 | if (verbose) |
1625 | switch (cmd->type) | |
1626 | { | |
1627 | case BFD_MACH_O_LC_CODE_SIGNATURE: | |
1628 | dump_code_signature (abfd, linkedit); | |
1629 | break; | |
1630 | case BFD_MACH_O_LC_SEGMENT_SPLIT_INFO: | |
1631 | dump_segment_split_info (abfd, linkedit); | |
1632 | break; | |
1633 | case BFD_MACH_O_LC_FUNCTION_STARTS: | |
1634 | dump_function_starts (abfd, linkedit); | |
1635 | break; | |
1636 | case BFD_MACH_O_LC_DATA_IN_CODE: | |
1637 | dump_data_in_code (abfd, linkedit); | |
1638 | break; | |
1639 | default: | |
1640 | break; | |
1641 | } | |
12fa714f | 1642 | } |
c275b681 | 1643 | break; |
12fa714f TG |
1644 | case BFD_MACH_O_LC_SUB_FRAMEWORK: |
1645 | case BFD_MACH_O_LC_SUB_UMBRELLA: | |
1646 | case BFD_MACH_O_LC_SUB_LIBRARY: | |
1647 | case BFD_MACH_O_LC_SUB_CLIENT: | |
1648 | case BFD_MACH_O_LC_RPATH: | |
1649 | { | |
16412c3b AM |
1650 | bfd_mach_o_str_command *strc = &cmd->command.str; |
1651 | printf (" %s\n", strc->str); | |
12fa714f TG |
1652 | break; |
1653 | } | |
1654 | case BFD_MACH_O_LC_THREAD: | |
1655 | case BFD_MACH_O_LC_UNIXTHREAD: | |
1656 | dump_thread (abfd, cmd); | |
1657 | break; | |
fc55a902 TG |
1658 | case BFD_MACH_O_LC_ENCRYPTION_INFO: |
1659 | { | |
1660 | bfd_mach_o_encryption_info_command *cryp = | |
1661 | &cmd->command.encryption_info; | |
e89d3dee TG |
1662 | printf (" cryptoff: 0x%08x cryptsize: 0x%08x (endoff 0x%08x)" |
1663 | " cryptid: %u\n", | |
1664 | cryp->cryptoff, cryp->cryptsize, | |
1665 | cryp->cryptoff + cryp->cryptsize, | |
1666 | cryp->cryptid); | |
fc55a902 TG |
1667 | } |
1668 | break; | |
12fa714f | 1669 | case BFD_MACH_O_LC_DYLD_INFO: |
e89d3dee | 1670 | dump_dyld_info (abfd, cmd, verbose); |
12fa714f TG |
1671 | break; |
1672 | case BFD_MACH_O_LC_VERSION_MIN_MACOSX: | |
1673 | case BFD_MACH_O_LC_VERSION_MIN_IPHONEOS: | |
fc7b364a RB |
1674 | case BFD_MACH_O_LC_VERSION_MIN_WATCHOS: |
1675 | case BFD_MACH_O_LC_VERSION_MIN_TVOS: | |
12fa714f TG |
1676 | { |
1677 | bfd_mach_o_version_min_command *ver = &cmd->command.version_min; | |
1678 | ||
fc7b364a RB |
1679 | printf (" os: "); |
1680 | printf_version (ver->version); | |
1681 | printf ("\n sdk: "); | |
1682 | printf_version (ver->sdk); | |
1683 | printf ("\n"); | |
12fa714f TG |
1684 | } |
1685 | break; | |
1778ad74 TG |
1686 | case BFD_MACH_O_LC_SOURCE_VERSION: |
1687 | { | |
1688 | bfd_mach_o_source_version_command *version = | |
1689 | &cmd->command.source_version; | |
47f8a107 | 1690 | printf (" version a.b.c.d.e: %u.%u.%u.%u.%u\n", |
1778ad74 TG |
1691 | version->a, version->b, version->c, version->d, version->e); |
1692 | break; | |
1693 | } | |
7a79c514 TG |
1694 | case BFD_MACH_O_LC_PREBOUND_DYLIB: |
1695 | { | |
1696 | bfd_mach_o_prebound_dylib_command *pbdy = &cmd->command.prebound_dylib; | |
1697 | unsigned char *lm = pbdy->linked_modules; | |
1698 | unsigned int j; | |
1699 | unsigned int last; | |
1700 | ||
47f8a107 | 1701 | printf (" dylib: %s\n", pbdy->name_str); |
7a79c514 TG |
1702 | printf (" nmodules: %u\n", pbdy->nmodules); |
1703 | printf (" linked modules (at %u): ", | |
1704 | pbdy->linked_modules_offset - cmd->offset); | |
1705 | last = pbdy->nmodules > 32 ? 32 : pbdy->nmodules; | |
1706 | for (j = 0; j < last; j++) | |
1707 | printf ("%u", (lm[j >> 3] >> (j & 7)) & 1); | |
1708 | if (last < pbdy->nmodules) | |
1709 | printf ("..."); | |
1710 | putchar ('\n'); | |
1711 | break; | |
1712 | } | |
1713 | case BFD_MACH_O_LC_PREBIND_CKSUM: | |
1714 | { | |
1715 | bfd_mach_o_prebind_cksum_command *cksum = &cmd->command.prebind_cksum; | |
47f8a107 | 1716 | printf (" 0x%08x\n", cksum->cksum); |
7a79c514 TG |
1717 | break; |
1718 | } | |
1719 | case BFD_MACH_O_LC_TWOLEVEL_HINTS: | |
1720 | { | |
1721 | bfd_mach_o_twolevel_hints_command *hints = | |
1722 | &cmd->command.twolevel_hints; | |
1723 | ||
47f8a107 | 1724 | printf (" table offset: 0x%08x nbr hints: %u\n", |
7a79c514 TG |
1725 | hints->offset, hints->nhints); |
1726 | if (verbose) | |
1727 | dump_twolevel_hints (abfd, hints); | |
1728 | break; | |
1729 | } | |
1778ad74 TG |
1730 | case BFD_MACH_O_LC_MAIN: |
1731 | { | |
1732 | bfd_mach_o_main_command *entry = &cmd->command.main; | |
47f8a107 | 1733 | printf (" entry offset: "); |
965b60c9 | 1734 | printf_uint64 (entry->entryoff); |
1778ad74 TG |
1735 | printf ("\n" |
1736 | " stack size: "); | |
965b60c9 | 1737 | printf_uint64 (entry->stacksize); |
1778ad74 TG |
1738 | printf ("\n"); |
1739 | break; | |
1740 | } | |
fc7b364a RB |
1741 | case BFD_MACH_O_LC_NOTE: |
1742 | { | |
1743 | bfd_mach_o_note_command *note = &cmd->command.note; | |
1744 | printf (" data owner: %.16s\n", note->data_owner); | |
1745 | printf (" offset: "); | |
1746 | printf_uint64 (note->offset); | |
1747 | printf ("\n" | |
1748 | " size: "); | |
1749 | printf_uint64 (note->size); | |
1750 | printf ("\n"); | |
1751 | break; | |
1752 | } | |
1753 | case BFD_MACH_O_LC_BUILD_VERSION: | |
1754 | dump_build_version (abfd, cmd); | |
1755 | break; | |
12fa714f | 1756 | default: |
12fa714f TG |
1757 | break; |
1758 | } | |
1759 | putchar ('\n'); | |
1760 | } | |
1761 | ||
1762 | static void | |
1763 | dump_load_commands (bfd *abfd, unsigned int cmd32, unsigned int cmd64) | |
1764 | { | |
1765 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
c9ffd2ea | 1766 | bfd_mach_o_load_command *cmd; |
12fa714f TG |
1767 | unsigned int i; |
1768 | ||
c9ffd2ea | 1769 | for (cmd = mdata->first_command, i = 0; cmd != NULL; cmd = cmd->next, i++) |
12fa714f | 1770 | { |
12fa714f | 1771 | if (cmd32 == 0) |
47f8a107 | 1772 | dump_load_command (abfd, cmd, i, FALSE); |
12fa714f | 1773 | else if (cmd->type == cmd32 || cmd->type == cmd64) |
47f8a107 | 1774 | dump_load_command (abfd, cmd, i, TRUE); |
12fa714f TG |
1775 | } |
1776 | } | |
1777 | ||
167e1c1f TG |
1778 | static const char * const unwind_x86_64_regs[] = |
1779 | {"", "rbx", "r12", "r13", "r14", "r15", "rbp", "???" }; | |
1780 | ||
1781 | static const char * const unwind_x86_regs[] = | |
1782 | {"", "ebx", "ecx", "edx", "edi", "edi", "ebp", "???" }; | |
1783 | ||
1784 | /* Dump x86 or x86-64 compact unwind encoding. Works for both architecture, | |
1785 | as the encoding is the same (but not register names). */ | |
1786 | ||
1787 | static void | |
1788 | dump_unwind_encoding_x86 (unsigned int encoding, unsigned int sz, | |
1789 | const char * const regs_name[]) | |
1790 | { | |
1791 | unsigned int mode; | |
1792 | ||
1793 | mode = encoding & MACH_O_UNWIND_X86_64_MODE_MASK; | |
1794 | switch (mode) | |
1795 | { | |
1796 | case MACH_O_UNWIND_X86_64_MODE_RBP_FRAME: | |
1797 | { | |
1798 | unsigned int regs; | |
1799 | char pfx = sz == 8 ? 'R' : 'E'; | |
1800 | ||
60cb2c8a | 1801 | regs = encoding & MACH_O_UNWIND_X86_64_RBP_FRAME_REGISTERS; |
167e1c1f TG |
1802 | printf (" %cSP frame", pfx); |
1803 | if (regs != 0) | |
1804 | { | |
1805 | unsigned int offset; | |
1806 | int i; | |
1807 | ||
1808 | offset = (encoding & MACH_O_UNWIND_X86_64_RBP_FRAME_OFFSET) >> 16; | |
1809 | printf (" at %cBP-%u:", pfx, offset * sz); | |
1810 | for (i = 0; i < 5; i++) | |
1811 | { | |
1812 | unsigned int reg = (regs >> (i * 3)) & 0x7; | |
1813 | if (reg != MACH_O_UNWIND_X86_64_REG_NONE) | |
1814 | printf (" %s", regs_name[reg]); | |
1815 | } | |
1816 | } | |
1817 | } | |
1818 | break; | |
1819 | case MACH_O_UNWIND_X86_64_MODE_STACK_IMMD: | |
1820 | case MACH_O_UNWIND_X86_64_MODE_STACK_IND: | |
1821 | { | |
1822 | unsigned int stack_size; | |
1823 | unsigned int reg_count; | |
1824 | unsigned int reg_perm; | |
1825 | unsigned int regs[6]; | |
1826 | int i, j; | |
1827 | ||
1828 | printf (" frameless"); | |
1829 | stack_size = | |
1830 | (encoding & MACH_O_UNWIND_X86_64_FRAMELESS_STACK_SIZE) >> 16; | |
1831 | reg_count = | |
1832 | (encoding & MACH_O_UNWIND_X86_64_FRAMELESS_REG_COUNT) >> 10; | |
1833 | reg_perm = encoding & MACH_O_UNWIND_X86_64_FRAMELESS_REG_PERMUTATION; | |
1834 | ||
1835 | if (mode == MACH_O_UNWIND_X86_64_MODE_STACK_IMMD) | |
1836 | printf (" size: 0x%03x", stack_size * sz); | |
1837 | else | |
1838 | { | |
1839 | unsigned int stack_adj; | |
1840 | ||
1841 | stack_adj = | |
1842 | (encoding & MACH_O_UNWIND_X86_64_FRAMELESS_STACK_ADJUST) >> 13; | |
aa9fa1e2 | 1843 | printf (" size at 0x%03x + 0x%02x", stack_size, stack_adj * sz); |
167e1c1f TG |
1844 | } |
1845 | /* Registers are coded using arithmetic compression: the register | |
1846 | is indexed in range 0-6, the second in range 0-5, the third in | |
1847 | range 0-4, etc. Already used registers are removed in next | |
1848 | ranges. */ | |
1849 | #define DO_PERM(R, NUM) R = reg_perm / NUM; reg_perm -= R * NUM | |
1850 | switch (reg_count) | |
1851 | { | |
1852 | case 6: | |
1853 | case 5: | |
1854 | DO_PERM (regs[0], 120); | |
1855 | DO_PERM (regs[1], 24); | |
1856 | DO_PERM (regs[2], 6); | |
1857 | DO_PERM (regs[3], 2); | |
1858 | DO_PERM (regs[4], 1); | |
1859 | regs[5] = 0; /* Not used if reg_count = 5. */ | |
1860 | break; | |
1861 | case 4: | |
1862 | DO_PERM (regs[0], 60); | |
1863 | DO_PERM (regs[1], 12); | |
1864 | DO_PERM (regs[2], 3); | |
1865 | DO_PERM (regs[3], 1); | |
1866 | break; | |
1867 | case 3: | |
1868 | DO_PERM (regs[0], 20); | |
1869 | DO_PERM (regs[1], 4); | |
1870 | DO_PERM (regs[2], 1); | |
1871 | break; | |
1872 | case 2: | |
1873 | DO_PERM (regs[0], 5); | |
1874 | DO_PERM (regs[1], 1); | |
1875 | break; | |
1876 | case 1: | |
1877 | DO_PERM (regs[0], 1); | |
1878 | break; | |
1879 | case 0: | |
1880 | break; | |
1881 | default: | |
1882 | printf (" [bad reg count]"); | |
1883 | return; | |
1884 | } | |
1885 | #undef DO_PERM | |
1886 | /* Renumber. */ | |
1887 | for (i = reg_count - 1; i >= 0; i--) | |
1888 | { | |
1889 | unsigned int inc = 1; | |
1890 | for (j = 0; j < i; j++) | |
1891 | if (regs[i] >= regs[j]) | |
1892 | inc++; | |
1893 | regs[i] += inc; | |
1894 | } | |
1895 | /* Display. */ | |
1896 | for (i = 0; i < (int) reg_count; i++) | |
1897 | printf (" %s", regs_name[regs[i]]); | |
1898 | } | |
1899 | break; | |
1900 | case MACH_O_UNWIND_X86_64_MODE_DWARF: | |
1901 | printf (" Dwarf offset: 0x%06x", | |
1902 | encoding & MACH_O_UNWIND_X86_64_DWARF_SECTION_OFFSET); | |
1903 | break; | |
1904 | default: | |
1905 | printf (" [unhandled mode]"); | |
1906 | break; | |
1907 | } | |
1908 | } | |
1909 | ||
b53e4c0e TG |
1910 | /* Dump arm64 compact unwind entries. */ |
1911 | ||
1912 | static void | |
1913 | dump_unwind_encoding_arm64 (unsigned int encoding) | |
1914 | { | |
1915 | switch (encoding & MACH_O_UNWIND_ARM64_MODE_MASK) | |
1916 | { | |
1917 | case MACH_O_UNWIND_ARM64_MODE_FRAMELESS: | |
1918 | printf (" frameless"); | |
1919 | break; | |
1920 | case MACH_O_UNWIND_ARM64_MODE_DWARF: | |
1921 | printf (" Dwarf offset: 0x%06x", | |
1922 | encoding & MACH_O_UNWIND_ARM64_DWARF_SECTION_OFFSET); | |
1923 | return; | |
1924 | case MACH_O_UNWIND_ARM64_MODE_FRAME: | |
1925 | printf (" frame"); | |
1926 | break; | |
1927 | default: | |
1928 | printf (" [unhandled mode]"); | |
1929 | return; | |
1930 | } | |
1931 | switch (encoding & MACH_O_UNWIND_ARM64_MODE_MASK) | |
1932 | { | |
1933 | case MACH_O_UNWIND_ARM64_MODE_FRAMELESS: | |
1934 | case MACH_O_UNWIND_ARM64_MODE_FRAME: | |
1935 | if (encoding & MACH_O_UNWIND_ARM64_FRAME_X19_X20_PAIR) | |
1936 | printf (" x19-x20"); | |
1937 | if (encoding & MACH_O_UNWIND_ARM64_FRAME_X21_X22_PAIR) | |
1938 | printf (" x21-x22"); | |
1939 | if (encoding & MACH_O_UNWIND_ARM64_FRAME_X23_X24_PAIR) | |
1940 | printf (" x23-x24"); | |
1941 | if (encoding & MACH_O_UNWIND_ARM64_FRAME_X25_X26_PAIR) | |
1942 | printf (" x25-x26"); | |
1943 | if (encoding & MACH_O_UNWIND_ARM64_FRAME_X27_X28_PAIR) | |
1944 | printf (" x27-x28"); | |
1945 | break; | |
1946 | } | |
1947 | switch (encoding & MACH_O_UNWIND_ARM64_MODE_MASK) | |
1948 | { | |
1949 | case MACH_O_UNWIND_ARM64_MODE_FRAME: | |
1950 | if (encoding & MACH_O_UNWIND_ARM64_FRAME_D8_D9_PAIR) | |
1951 | printf (" d8-d9"); | |
1952 | if (encoding & MACH_O_UNWIND_ARM64_FRAME_D10_D11_PAIR) | |
1953 | printf (" d10-d11"); | |
1954 | if (encoding & MACH_O_UNWIND_ARM64_FRAME_D12_D13_PAIR) | |
1955 | printf (" d12-d13"); | |
1956 | if (encoding & MACH_O_UNWIND_ARM64_FRAME_D14_D15_PAIR) | |
1957 | printf (" d14-d15"); | |
1958 | break; | |
1959 | case MACH_O_UNWIND_ARM64_MODE_FRAMELESS: | |
1960 | printf (" size: %u", | |
1961 | (encoding & MACH_O_UNWIND_ARM64_FRAMELESS_STACK_SIZE_MASK) >> 8); | |
1962 | break; | |
1963 | } | |
1964 | } | |
1965 | ||
167e1c1f TG |
1966 | static void |
1967 | dump_unwind_encoding (bfd_mach_o_data_struct *mdata, unsigned int encoding) | |
1968 | { | |
1969 | printf ("0x%08x", encoding); | |
1970 | if (encoding == 0) | |
1971 | return; | |
1972 | ||
1973 | switch (mdata->header.cputype) | |
1974 | { | |
1975 | case BFD_MACH_O_CPU_TYPE_X86_64: | |
1976 | dump_unwind_encoding_x86 (encoding, 8, unwind_x86_64_regs); | |
1977 | break; | |
1978 | case BFD_MACH_O_CPU_TYPE_I386: | |
1979 | dump_unwind_encoding_x86 (encoding, 4, unwind_x86_regs); | |
1980 | break; | |
b53e4c0e TG |
1981 | case BFD_MACH_O_CPU_TYPE_ARM64: |
1982 | dump_unwind_encoding_arm64 (encoding); | |
1983 | break; | |
167e1c1f TG |
1984 | default: |
1985 | printf (" [unhandled cpu]"); | |
1986 | break; | |
1987 | } | |
1988 | if (encoding & MACH_O_UNWIND_HAS_LSDA) | |
1989 | printf (" LSDA"); | |
1990 | if (encoding & MACH_O_UNWIND_PERSONALITY_MASK) | |
1991 | printf (" PERS(%u)", | |
1992 | ((encoding & MACH_O_UNWIND_PERSONALITY_MASK) | |
1993 | >> MACH_O_UNWIND_PERSONALITY_SHIFT)); | |
1994 | } | |
1995 | ||
1996 | static void | |
1997 | dump_obj_compact_unwind (bfd *abfd, | |
1998 | const unsigned char *content, bfd_size_type size) | |
1999 | { | |
2000 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
2001 | int is_64 = mdata->header.version == 2; | |
2002 | const unsigned char *p; | |
2003 | ||
3cc27770 | 2004 | printf ("Compact unwind info:\n"); |
167e1c1f TG |
2005 | printf (" start length personality lsda\n"); |
2006 | ||
2007 | if (is_64) | |
2008 | { | |
2009 | struct mach_o_compact_unwind_64 *e = | |
2010 | (struct mach_o_compact_unwind_64 *) content; | |
2011 | ||
2012 | for (p = content; p < content + size; p += sizeof (*e)) | |
2013 | { | |
2014 | e = (struct mach_o_compact_unwind_64 *) p; | |
2015 | ||
2016 | putchar (' '); | |
965b60c9 | 2017 | printf_uint64 (bfd_get_64 (abfd, e->start)); |
4bb7a87e | 2018 | printf (" %08lx", (unsigned long)bfd_get_32 (abfd, e->length)); |
167e1c1f | 2019 | putchar (' '); |
965b60c9 | 2020 | printf_uint64 (bfd_get_64 (abfd, e->personality)); |
167e1c1f | 2021 | putchar (' '); |
965b60c9 | 2022 | printf_uint64 (bfd_get_64 (abfd, e->lsda)); |
167e1c1f TG |
2023 | putchar ('\n'); |
2024 | ||
2025 | printf (" encoding: "); | |
2026 | dump_unwind_encoding (mdata, bfd_get_32 (abfd, e->encoding)); | |
2027 | putchar ('\n'); | |
2028 | } | |
2029 | } | |
2030 | else | |
2031 | { | |
2032 | printf ("unhandled\n"); | |
2033 | } | |
2034 | } | |
2035 | ||
2036 | static void | |
2037 | dump_exe_compact_unwind (bfd *abfd, | |
2038 | const unsigned char *content, bfd_size_type size) | |
2039 | { | |
2040 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
2041 | struct mach_o_unwind_info_header *hdr; | |
2042 | unsigned int version; | |
2043 | unsigned int encodings_offset; | |
2044 | unsigned int encodings_count; | |
2045 | unsigned int personality_offset; | |
2046 | unsigned int personality_count; | |
2047 | unsigned int index_offset; | |
2048 | unsigned int index_count; | |
2049 | struct mach_o_unwind_index_entry *index_entry; | |
2050 | unsigned int i; | |
2051 | ||
2052 | /* The header. */ | |
3cc27770 | 2053 | printf ("Compact unwind info:\n"); |
167e1c1f TG |
2054 | |
2055 | hdr = (struct mach_o_unwind_info_header *) content; | |
2056 | if (size < sizeof (*hdr)) | |
2057 | { | |
2058 | printf (" truncated!\n"); | |
2059 | return; | |
2060 | } | |
2061 | ||
2062 | version = bfd_get_32 (abfd, hdr->version); | |
2063 | if (version != MACH_O_UNWIND_SECTION_VERSION) | |
2064 | { | |
2065 | printf (" unknown version: %u\n", version); | |
2066 | return; | |
2067 | } | |
2068 | encodings_offset = bfd_get_32 (abfd, hdr->encodings_array_offset); | |
2069 | encodings_count = bfd_get_32 (abfd, hdr->encodings_array_count); | |
2070 | personality_offset = bfd_get_32 (abfd, hdr->personality_array_offset); | |
2071 | personality_count = bfd_get_32 (abfd, hdr->personality_array_count); | |
2072 | index_offset = bfd_get_32 (abfd, hdr->index_offset); | |
2073 | index_count = bfd_get_32 (abfd, hdr->index_count); | |
2074 | printf (" %u encodings, %u personalities, %u level-1 indexes:\n", | |
2075 | encodings_count, personality_count, index_count); | |
2076 | ||
965b60c9 TG |
2077 | /* Personality. */ |
2078 | if (personality_count > 0) | |
2079 | { | |
2080 | const unsigned char *pers = content + personality_offset; | |
2081 | ||
2082 | printf (" personalities\n"); | |
2083 | for (i = 0; i < personality_count; i++) | |
2084 | printf (" %u: 0x%08x\n", i, | |
2085 | (unsigned) bfd_get_32 (abfd, pers + 4 * i)); | |
2086 | } | |
2087 | ||
167e1c1f TG |
2088 | /* Level-1 index. */ |
2089 | printf (" idx function level2 off lsda off\n"); | |
2090 | ||
2091 | index_entry = (struct mach_o_unwind_index_entry *) (content + index_offset); | |
2092 | for (i = 0; i < index_count; i++) | |
2093 | { | |
2094 | unsigned int func_offset; | |
2095 | unsigned int level2_offset; | |
2096 | unsigned int lsda_offset; | |
2097 | ||
2098 | func_offset = bfd_get_32 (abfd, index_entry->function_offset); | |
2099 | level2_offset = bfd_get_32 (abfd, index_entry->second_level_offset); | |
2100 | lsda_offset = bfd_get_32 (abfd, index_entry->lsda_index_offset); | |
2101 | printf (" %3u 0x%08x 0x%08x 0x%08x\n", | |
2102 | i, func_offset, level2_offset, lsda_offset); | |
2103 | index_entry++; | |
2104 | } | |
2105 | ||
2106 | /* Level-1 index. */ | |
2107 | index_entry = (struct mach_o_unwind_index_entry *) (content + index_offset); | |
2108 | for (i = 0; i < index_count; i++) | |
2109 | { | |
2110 | unsigned int func_offset; | |
2111 | unsigned int level2_offset; | |
2112 | const unsigned char *level2; | |
2113 | unsigned int kind; | |
2114 | ||
167e1c1f TG |
2115 | func_offset = bfd_get_32 (abfd, index_entry->function_offset); |
2116 | level2_offset = bfd_get_32 (abfd, index_entry->second_level_offset); | |
2117 | ||
aa9fa1e2 TG |
2118 | /* No level-2 for this index (should be the last index). */ |
2119 | if (level2_offset == 0) | |
2120 | continue; | |
2121 | ||
167e1c1f TG |
2122 | level2 = content + level2_offset; |
2123 | kind = bfd_get_32 (abfd, level2); | |
2124 | switch (kind) | |
2125 | { | |
2126 | case MACH_O_UNWIND_SECOND_LEVEL_COMPRESSED: | |
2127 | { | |
2128 | struct mach_o_unwind_compressed_second_level_page_header *l2; | |
2129 | unsigned int entry_offset; | |
2130 | unsigned int entry_count; | |
2131 | unsigned int l2_encodings_offset; | |
2132 | unsigned int l2_encodings_count; | |
2133 | const unsigned char *en; | |
2134 | unsigned int j; | |
2135 | ||
2136 | l2 = (struct mach_o_unwind_compressed_second_level_page_header *) | |
2137 | level2; | |
2138 | entry_offset = bfd_get_16 (abfd, l2->entry_page_offset); | |
2139 | entry_count = bfd_get_16 (abfd, l2->entry_count); | |
2140 | l2_encodings_offset = bfd_get_16 (abfd, l2->encodings_offset); | |
2141 | l2_encodings_count = bfd_get_16 (abfd, l2->encodings_count); | |
2142 | ||
2143 | printf (" index %2u: compressed second level: " | |
2144 | "%u entries, %u encodings (at 0x%08x)\n", | |
2145 | i, entry_count, l2_encodings_count, l2_encodings_offset); | |
2146 | printf (" # function eidx encoding\n"); | |
2147 | ||
2148 | en = level2 + entry_offset; | |
2149 | for (j = 0; j < entry_count; j++) | |
2150 | { | |
2151 | unsigned int entry; | |
2152 | unsigned int en_func; | |
2153 | unsigned int enc_idx; | |
2154 | unsigned int encoding; | |
2155 | const unsigned char *enc_addr; | |
2156 | ||
2157 | entry = bfd_get_32 (abfd, en); | |
2158 | en_func = | |
2159 | MACH_O_UNWIND_INFO_COMPRESSED_ENTRY_FUNC_OFFSET (entry); | |
2160 | enc_idx = | |
2161 | MACH_O_UNWIND_INFO_COMPRESSED_ENTRY_ENCODING_INDEX (entry); | |
2162 | if (enc_idx < encodings_count) | |
2163 | enc_addr = content + encodings_offset | |
2164 | + 4 * enc_idx; | |
2165 | else | |
2166 | enc_addr = level2 + l2_encodings_offset | |
2167 | + 4 * (enc_idx - encodings_count); | |
2168 | encoding = bfd_get_32 (abfd, enc_addr); | |
2169 | ||
965b60c9 | 2170 | printf (" %4u 0x%08x [%3u] ", j, |
167e1c1f TG |
2171 | func_offset + en_func, enc_idx); |
2172 | dump_unwind_encoding (mdata, encoding); | |
2173 | putchar ('\n'); | |
2174 | ||
2175 | en += 4; | |
2176 | } | |
2177 | } | |
2178 | break; | |
2179 | ||
2180 | case MACH_O_UNWIND_SECOND_LEVEL_REGULAR: | |
2181 | { | |
2182 | struct mach_o_unwind_regular_second_level_page_header *l2; | |
2183 | struct mach_o_unwind_regular_second_level_entry *en; | |
2184 | unsigned int entry_offset; | |
2185 | unsigned int entry_count; | |
2186 | unsigned int j; | |
2187 | ||
2188 | l2 = (struct mach_o_unwind_regular_second_level_page_header *) | |
2189 | level2; | |
2190 | ||
2191 | entry_offset = bfd_get_16 (abfd, l2->entry_page_offset); | |
2192 | entry_count = bfd_get_16 (abfd, l2->entry_count); | |
2193 | printf (" index %2u: regular level 2 at 0x%04x, %u entries\n", | |
2194 | i, entry_offset, entry_count); | |
2195 | printf (" # function encoding\n"); | |
2196 | ||
2197 | en = (struct mach_o_unwind_regular_second_level_entry *) | |
2198 | (level2 + entry_offset); | |
2199 | for (j = 0; j < entry_count; j++) | |
2200 | { | |
2201 | unsigned int en_func; | |
2202 | unsigned int encoding; | |
2203 | ||
2204 | en_func = bfd_get_32 (abfd, en->function_offset); | |
2205 | encoding = bfd_get_32 (abfd, en->encoding); | |
2206 | printf (" %-4u 0x%08x ", j, en_func); | |
2207 | dump_unwind_encoding (mdata, encoding); | |
2208 | putchar ('\n'); | |
2209 | en++; | |
2210 | } | |
2211 | } | |
2212 | break; | |
2213 | ||
2214 | default: | |
2215 | printf (" index %2u: unhandled second level format (%u)\n", | |
2216 | i, kind); | |
2217 | break; | |
2218 | } | |
2219 | ||
2220 | { | |
2221 | struct mach_o_unwind_lsda_index_entry *lsda; | |
2222 | unsigned int lsda_offset; | |
2223 | unsigned int next_lsda_offset; | |
2224 | unsigned int nbr_lsda; | |
2225 | unsigned int j; | |
2226 | ||
2227 | lsda_offset = bfd_get_32 (abfd, index_entry->lsda_index_offset); | |
2228 | next_lsda_offset = bfd_get_32 (abfd, index_entry[1].lsda_index_offset); | |
2229 | lsda = (struct mach_o_unwind_lsda_index_entry *) | |
2230 | (content + lsda_offset); | |
2231 | nbr_lsda = (next_lsda_offset - lsda_offset) / sizeof (*lsda); | |
2232 | for (j = 0; j < nbr_lsda; j++) | |
2233 | { | |
aa9fa1e2 | 2234 | printf (" lsda %3u: function 0x%08x lsda 0x%08x\n", |
167e1c1f TG |
2235 | j, (unsigned int) bfd_get_32 (abfd, lsda->function_offset), |
2236 | (unsigned int) bfd_get_32 (abfd, lsda->lsda_offset)); | |
2237 | lsda++; | |
2238 | } | |
2239 | } | |
2240 | index_entry++; | |
2241 | } | |
2242 | } | |
2243 | ||
2244 | static void | |
2245 | dump_section_content (bfd *abfd, | |
2246 | const char *segname, const char *sectname, | |
2247 | void (*dump)(bfd*, const unsigned char*, bfd_size_type)) | |
2248 | { | |
2249 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
c9ffd2ea | 2250 | bfd_mach_o_load_command *cmd; |
167e1c1f | 2251 | |
c9ffd2ea | 2252 | for (cmd = mdata->first_command; cmd != NULL; cmd = cmd->next) |
167e1c1f | 2253 | { |
167e1c1f TG |
2254 | if (cmd->type == BFD_MACH_O_LC_SEGMENT |
2255 | || cmd->type == BFD_MACH_O_LC_SEGMENT_64) | |
2256 | { | |
2257 | bfd_mach_o_segment_command *seg = &cmd->command.segment; | |
2258 | bfd_mach_o_section *sec; | |
2259 | for (sec = seg->sect_head; sec != NULL; sec = sec->next) | |
2260 | if (strcmp (sec->segname, segname) == 0 | |
2261 | && strcmp (sec->sectname, sectname) == 0) | |
2262 | { | |
2263 | bfd_size_type size; | |
2264 | asection *bfdsec = sec->bfdsection; | |
2265 | unsigned char *content; | |
2266 | ||
fd361982 | 2267 | size = bfd_section_size (bfdsec); |
167e1c1f TG |
2268 | content = (unsigned char *) xmalloc (size); |
2269 | bfd_get_section_contents (abfd, bfdsec, content, 0, size); | |
2270 | ||
2271 | (*dump)(abfd, content, size); | |
2272 | ||
2273 | free (content); | |
2274 | } | |
2275 | } | |
2276 | } | |
2277 | } | |
2278 | ||
12fa714f TG |
2279 | /* Dump ABFD (according to the options[] array). */ |
2280 | ||
2281 | static void | |
2282 | mach_o_dump (bfd *abfd) | |
2283 | { | |
2284 | if (options[OPT_HEADER].selected) | |
2285 | dump_header (abfd); | |
2286 | if (options[OPT_SECTION].selected) | |
2287 | dump_load_commands (abfd, BFD_MACH_O_LC_SEGMENT, BFD_MACH_O_LC_SEGMENT_64); | |
2288 | if (options[OPT_MAP].selected) | |
2289 | dump_section_map (abfd); | |
2290 | if (options[OPT_LOAD].selected) | |
2291 | dump_load_commands (abfd, 0, 0); | |
2292 | if (options[OPT_DYSYMTAB].selected) | |
2293 | dump_load_commands (abfd, BFD_MACH_O_LC_DYSYMTAB, 0); | |
2634e8c8 TG |
2294 | if (options[OPT_CODESIGN].selected) |
2295 | dump_load_commands (abfd, BFD_MACH_O_LC_CODE_SIGNATURE, 0); | |
2128eb39 TG |
2296 | if (options[OPT_SEG_SPLIT_INFO].selected) |
2297 | dump_load_commands (abfd, BFD_MACH_O_LC_SEGMENT_SPLIT_INFO, 0); | |
3cc27770 TG |
2298 | if (options[OPT_FUNCTION_STARTS].selected) |
2299 | dump_load_commands (abfd, BFD_MACH_O_LC_FUNCTION_STARTS, 0); | |
c275b681 TG |
2300 | if (options[OPT_DATA_IN_CODE].selected) |
2301 | dump_load_commands (abfd, BFD_MACH_O_LC_DATA_IN_CODE, 0); | |
7a79c514 TG |
2302 | if (options[OPT_TWOLEVEL_HINTS].selected) |
2303 | dump_load_commands (abfd, BFD_MACH_O_LC_TWOLEVEL_HINTS, 0); | |
167e1c1f TG |
2304 | if (options[OPT_COMPACT_UNWIND].selected) |
2305 | { | |
2306 | dump_section_content (abfd, "__LD", "__compact_unwind", | |
2307 | dump_obj_compact_unwind); | |
2308 | dump_section_content (abfd, "__TEXT", "__unwind_info", | |
2309 | dump_exe_compact_unwind); | |
2310 | } | |
e89d3dee TG |
2311 | if (options[OPT_DYLD_INFO].selected) |
2312 | dump_load_commands (abfd, BFD_MACH_O_LC_DYLD_INFO, 0); | |
12fa714f TG |
2313 | } |
2314 | ||
2315 | /* Vector for Mach-O. */ | |
2316 | ||
2317 | const struct objdump_private_desc objdump_private_desc_mach_o = | |
fc7b364a RB |
2318 | { |
2319 | mach_o_help, | |
2320 | mach_o_filter, | |
2321 | mach_o_dump, | |
2322 | options | |
2323 | }; |