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12fa714f | 1 | /* od-macho.c -- dump information about an Mach-O object file. |
219d1afa | 2 | Copyright (C) 2011-2018 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" | |
16412c3b | 29 | #include "dwarf.h" |
12fa714f TG |
30 | #include "bfdlink.h" |
31 | #include "mach-o.h" | |
32 | #include "mach-o/external.h" | |
2634e8c8 | 33 | #include "mach-o/codesign.h" |
167e1c1f | 34 | #include "mach-o/unwind.h" |
12fa714f TG |
35 | |
36 | /* Index of the options in the options[] array. */ | |
37 | #define OPT_HEADER 0 | |
38 | #define OPT_SECTION 1 | |
39 | #define OPT_MAP 2 | |
40 | #define OPT_LOAD 3 | |
41 | #define OPT_DYSYMTAB 4 | |
2634e8c8 | 42 | #define OPT_CODESIGN 5 |
2128eb39 | 43 | #define OPT_SEG_SPLIT_INFO 6 |
167e1c1f | 44 | #define OPT_COMPACT_UNWIND 7 |
3cc27770 | 45 | #define OPT_FUNCTION_STARTS 8 |
c275b681 | 46 | #define OPT_DATA_IN_CODE 9 |
7a79c514 | 47 | #define OPT_TWOLEVEL_HINTS 10 |
e89d3dee | 48 | #define OPT_DYLD_INFO 11 |
12fa714f TG |
49 | |
50 | /* List of actions. */ | |
51 | static struct objdump_private_option options[] = | |
52 | { | |
53 | { "header", 0 }, | |
54 | { "section", 0 }, | |
55 | { "map", 0 }, | |
56 | { "load", 0 }, | |
57 | { "dysymtab", 0 }, | |
2634e8c8 | 58 | { "codesign", 0 }, |
2128eb39 | 59 | { "seg_split_info", 0 }, |
167e1c1f | 60 | { "compact_unwind", 0 }, |
3cc27770 | 61 | { "function_starts", 0 }, |
c275b681 | 62 | { "data_in_code", 0 }, |
7a79c514 | 63 | { "twolevel_hints", 0 }, |
e89d3dee | 64 | { "dyld_info", 0 }, |
12fa714f TG |
65 | { NULL, 0 } |
66 | }; | |
67 | ||
68 | /* Display help. */ | |
69 | ||
70 | static void | |
71 | mach_o_help (FILE *stream) | |
72 | { | |
73 | fprintf (stream, _("\ | |
74 | For Mach-O files:\n\ | |
3cc27770 TG |
75 | header Display the file header\n\ |
76 | section Display the segments and sections commands\n\ | |
77 | map Display the section map\n\ | |
78 | load Display the load commands\n\ | |
79 | dysymtab Display the dynamic symbol table\n\ | |
80 | codesign Display code signature\n\ | |
81 | seg_split_info Display segment split info\n\ | |
82 | compact_unwind Display compact unwinding info\n\ | |
83 | function_starts Display start address of functions\n\ | |
c275b681 | 84 | data_in_code Display data in code entries\n\ |
7a79c514 | 85 | twolevel_hints Display the two-level namespace lookup hints table\n\ |
e89d3dee | 86 | dyld_info Display dyld information\n\ |
12fa714f TG |
87 | ")); |
88 | } | |
89 | ||
90 | /* Return TRUE if ABFD is handled. */ | |
91 | ||
92 | static int | |
93 | mach_o_filter (bfd *abfd) | |
94 | { | |
95 | return bfd_get_flavour (abfd) == bfd_target_mach_o_flavour; | |
96 | } | |
97 | \f | |
98 | static const bfd_mach_o_xlat_name bfd_mach_o_cpu_name[] = | |
99 | { | |
100 | { "vax", BFD_MACH_O_CPU_TYPE_VAX }, | |
101 | { "mc680x0", BFD_MACH_O_CPU_TYPE_MC680x0 }, | |
102 | { "i386", BFD_MACH_O_CPU_TYPE_I386 }, | |
103 | { "mips", BFD_MACH_O_CPU_TYPE_MIPS }, | |
104 | { "mc98000", BFD_MACH_O_CPU_TYPE_MC98000 }, | |
105 | { "hppa", BFD_MACH_O_CPU_TYPE_HPPA }, | |
106 | { "arm", BFD_MACH_O_CPU_TYPE_ARM }, | |
107 | { "mc88000", BFD_MACH_O_CPU_TYPE_MC88000 }, | |
108 | { "sparc", BFD_MACH_O_CPU_TYPE_SPARC }, | |
12fa714f TG |
109 | { "alpha", BFD_MACH_O_CPU_TYPE_ALPHA }, |
110 | { "powerpc", BFD_MACH_O_CPU_TYPE_POWERPC }, | |
111 | { "powerpc_64", BFD_MACH_O_CPU_TYPE_POWERPC_64 }, | |
112 | { "x86_64", BFD_MACH_O_CPU_TYPE_X86_64 }, | |
d8028530 | 113 | { "arm64", BFD_MACH_O_CPU_TYPE_ARM64 }, |
12fa714f TG |
114 | { NULL, 0} |
115 | }; | |
116 | ||
117 | static const bfd_mach_o_xlat_name bfd_mach_o_filetype_name[] = | |
118 | { | |
119 | { "object", BFD_MACH_O_MH_OBJECT }, | |
120 | { "execute", BFD_MACH_O_MH_EXECUTE }, | |
121 | { "fvmlib", BFD_MACH_O_MH_FVMLIB }, | |
122 | { "core", BFD_MACH_O_MH_CORE }, | |
123 | { "preload", BFD_MACH_O_MH_PRELOAD }, | |
124 | { "dylib", BFD_MACH_O_MH_DYLIB }, | |
125 | { "dylinker", BFD_MACH_O_MH_DYLINKER }, | |
126 | { "bundle", BFD_MACH_O_MH_BUNDLE }, | |
127 | { "dylib_stub", BFD_MACH_O_MH_DYLIB_STUB }, | |
128 | { "dym", BFD_MACH_O_MH_DSYM }, | |
129 | { "kext_bundle", BFD_MACH_O_MH_KEXT_BUNDLE }, | |
130 | { NULL, 0} | |
131 | }; | |
132 | ||
133 | static const bfd_mach_o_xlat_name bfd_mach_o_header_flags_name[] = | |
134 | { | |
135 | { "noundefs", BFD_MACH_O_MH_NOUNDEFS }, | |
136 | { "incrlink", BFD_MACH_O_MH_INCRLINK }, | |
137 | { "dyldlink", BFD_MACH_O_MH_DYLDLINK }, | |
138 | { "bindatload", BFD_MACH_O_MH_BINDATLOAD }, | |
139 | { "prebound", BFD_MACH_O_MH_PREBOUND }, | |
140 | { "split_segs", BFD_MACH_O_MH_SPLIT_SEGS }, | |
141 | { "lazy_init", BFD_MACH_O_MH_LAZY_INIT }, | |
142 | { "twolevel", BFD_MACH_O_MH_TWOLEVEL }, | |
143 | { "force_flat", BFD_MACH_O_MH_FORCE_FLAT }, | |
144 | { "nomultidefs", BFD_MACH_O_MH_NOMULTIDEFS }, | |
145 | { "nofixprebinding", BFD_MACH_O_MH_NOFIXPREBINDING }, | |
146 | { "prebindable", BFD_MACH_O_MH_PREBINDABLE }, | |
147 | { "allmodsbound", BFD_MACH_O_MH_ALLMODSBOUND }, | |
148 | { "subsections_via_symbols", BFD_MACH_O_MH_SUBSECTIONS_VIA_SYMBOLS }, | |
149 | { "canonical", BFD_MACH_O_MH_CANONICAL }, | |
150 | { "weak_defines", BFD_MACH_O_MH_WEAK_DEFINES }, | |
151 | { "binds_to_weak", BFD_MACH_O_MH_BINDS_TO_WEAK }, | |
152 | { "allow_stack_execution", BFD_MACH_O_MH_ALLOW_STACK_EXECUTION }, | |
153 | { "root_safe", BFD_MACH_O_MH_ROOT_SAFE }, | |
154 | { "setuid_safe", BFD_MACH_O_MH_SETUID_SAFE }, | |
155 | { "no_reexported_dylibs", BFD_MACH_O_MH_NO_REEXPORTED_DYLIBS }, | |
156 | { "pie", BFD_MACH_O_MH_PIE }, | |
b4687fcc TG |
157 | { "dead_strippable_dylib", BFD_MACH_O_MH_DEAD_STRIPPABLE_DYLIB }, |
158 | { "has_tlv", BFD_MACH_O_MH_HAS_TLV_DESCRIPTORS }, | |
159 | { "no_heap_execution", BFD_MACH_O_MH_NO_HEAP_EXECUTION }, | |
160 | { "app_extension_safe", BFD_MACH_O_MH_APP_EXTENSION_SAFE }, | |
12fa714f TG |
161 | { NULL, 0} |
162 | }; | |
163 | ||
164 | static const bfd_mach_o_xlat_name bfd_mach_o_load_command_name[] = | |
165 | { | |
166 | { "segment", BFD_MACH_O_LC_SEGMENT}, | |
167 | { "symtab", BFD_MACH_O_LC_SYMTAB}, | |
168 | { "symseg", BFD_MACH_O_LC_SYMSEG}, | |
169 | { "thread", BFD_MACH_O_LC_THREAD}, | |
170 | { "unixthread", BFD_MACH_O_LC_UNIXTHREAD}, | |
171 | { "loadfvmlib", BFD_MACH_O_LC_LOADFVMLIB}, | |
172 | { "idfvmlib", BFD_MACH_O_LC_IDFVMLIB}, | |
173 | { "ident", BFD_MACH_O_LC_IDENT}, | |
174 | { "fvmfile", BFD_MACH_O_LC_FVMFILE}, | |
175 | { "prepage", BFD_MACH_O_LC_PREPAGE}, | |
176 | { "dysymtab", BFD_MACH_O_LC_DYSYMTAB}, | |
177 | { "load_dylib", BFD_MACH_O_LC_LOAD_DYLIB}, | |
178 | { "id_dylib", BFD_MACH_O_LC_ID_DYLIB}, | |
179 | { "load_dylinker", BFD_MACH_O_LC_LOAD_DYLINKER}, | |
180 | { "id_dylinker", BFD_MACH_O_LC_ID_DYLINKER}, | |
181 | { "prebound_dylib", BFD_MACH_O_LC_PREBOUND_DYLIB}, | |
182 | { "routines", BFD_MACH_O_LC_ROUTINES}, | |
183 | { "sub_framework", BFD_MACH_O_LC_SUB_FRAMEWORK}, | |
184 | { "sub_umbrella", BFD_MACH_O_LC_SUB_UMBRELLA}, | |
185 | { "sub_client", BFD_MACH_O_LC_SUB_CLIENT}, | |
186 | { "sub_library", BFD_MACH_O_LC_SUB_LIBRARY}, | |
187 | { "twolevel_hints", BFD_MACH_O_LC_TWOLEVEL_HINTS}, | |
188 | { "prebind_cksum", BFD_MACH_O_LC_PREBIND_CKSUM}, | |
189 | { "load_weak_dylib", BFD_MACH_O_LC_LOAD_WEAK_DYLIB}, | |
190 | { "segment_64", BFD_MACH_O_LC_SEGMENT_64}, | |
191 | { "routines_64", BFD_MACH_O_LC_ROUTINES_64}, | |
192 | { "uuid", BFD_MACH_O_LC_UUID}, | |
193 | { "rpath", BFD_MACH_O_LC_RPATH}, | |
194 | { "code_signature", BFD_MACH_O_LC_CODE_SIGNATURE}, | |
195 | { "segment_split_info", BFD_MACH_O_LC_SEGMENT_SPLIT_INFO}, | |
196 | { "reexport_dylib", BFD_MACH_O_LC_REEXPORT_DYLIB}, | |
197 | { "lazy_load_dylib", BFD_MACH_O_LC_LAZY_LOAD_DYLIB}, | |
198 | { "encryption_info", BFD_MACH_O_LC_ENCRYPTION_INFO}, | |
199 | { "dyld_info", BFD_MACH_O_LC_DYLD_INFO}, | |
200 | { "load_upward_lib", BFD_MACH_O_LC_LOAD_UPWARD_DYLIB}, | |
201 | { "version_min_macosx", BFD_MACH_O_LC_VERSION_MIN_MACOSX}, | |
202 | { "version_min_iphoneos", BFD_MACH_O_LC_VERSION_MIN_IPHONEOS}, | |
203 | { "function_starts", BFD_MACH_O_LC_FUNCTION_STARTS}, | |
204 | { "dyld_environment", BFD_MACH_O_LC_DYLD_ENVIRONMENT}, | |
1778ad74 TG |
205 | { "main", BFD_MACH_O_LC_MAIN}, |
206 | { "data_in_code", BFD_MACH_O_LC_DATA_IN_CODE}, | |
207 | { "source_version", BFD_MACH_O_LC_SOURCE_VERSION}, | |
208 | { "dylib_code_sign_drs", BFD_MACH_O_LC_DYLIB_CODE_SIGN_DRS}, | |
b53e4c0e TG |
209 | { "encryption_info_64", BFD_MACH_O_LC_ENCRYPTION_INFO_64}, |
210 | { "linker_options", BFD_MACH_O_LC_LINKER_OPTIONS}, | |
211 | { "linker_optimization_hint", BFD_MACH_O_LC_LINKER_OPTIMIZATION_HINT}, | |
12fa714f TG |
212 | { NULL, 0} |
213 | }; | |
214 | ||
215 | static const bfd_mach_o_xlat_name bfd_mach_o_thread_x86_name[] = | |
216 | { | |
217 | { "thread_state32", BFD_MACH_O_x86_THREAD_STATE32}, | |
218 | { "float_state32", BFD_MACH_O_x86_FLOAT_STATE32}, | |
219 | { "exception_state32", BFD_MACH_O_x86_EXCEPTION_STATE32}, | |
220 | { "thread_state64", BFD_MACH_O_x86_THREAD_STATE64}, | |
221 | { "float_state64", BFD_MACH_O_x86_FLOAT_STATE64}, | |
222 | { "exception_state64", BFD_MACH_O_x86_EXCEPTION_STATE64}, | |
223 | { "thread_state", BFD_MACH_O_x86_THREAD_STATE}, | |
224 | { "float_state", BFD_MACH_O_x86_FLOAT_STATE}, | |
225 | { "exception_state", BFD_MACH_O_x86_EXCEPTION_STATE}, | |
226 | { "debug_state32", BFD_MACH_O_x86_DEBUG_STATE32}, | |
227 | { "debug_state64", BFD_MACH_O_x86_DEBUG_STATE64}, | |
228 | { "debug_state", BFD_MACH_O_x86_DEBUG_STATE}, | |
229 | { "state_none", BFD_MACH_O_x86_THREAD_STATE_NONE}, | |
230 | { NULL, 0 } | |
231 | }; | |
232 | \f | |
233 | static void | |
234 | bfd_mach_o_print_flags (const bfd_mach_o_xlat_name *table, | |
235 | unsigned long val) | |
236 | { | |
237 | int first = 1; | |
238 | ||
239 | for (; table->name; table++) | |
240 | { | |
241 | if (table->val & val) | |
242 | { | |
243 | if (!first) | |
244 | printf ("+"); | |
245 | printf ("%s", table->name); | |
246 | val &= ~table->val; | |
247 | first = 0; | |
248 | } | |
249 | } | |
250 | if (val) | |
251 | { | |
252 | if (!first) | |
253 | printf ("+"); | |
254 | printf ("0x%lx", val); | |
255 | return; | |
256 | } | |
257 | if (first) | |
258 | printf ("-"); | |
259 | } | |
260 | ||
222c2bf0 | 261 | /* Print a bfd_uint64_t, using a platform independent style. */ |
965b60c9 TG |
262 | |
263 | static void | |
264 | printf_uint64 (bfd_uint64_t v) | |
265 | { | |
266 | printf ("0x%08lx%08lx", | |
267 | (unsigned long)((v >> 16) >> 16), (unsigned long)(v & 0xffffffffUL)); | |
268 | } | |
269 | ||
12fa714f TG |
270 | static const char * |
271 | bfd_mach_o_get_name_or_null (const bfd_mach_o_xlat_name *table, | |
272 | unsigned long val) | |
273 | { | |
274 | for (; table->name; table++) | |
275 | if (table->val == val) | |
276 | return table->name; | |
277 | return NULL; | |
278 | } | |
279 | ||
280 | static const char * | |
281 | bfd_mach_o_get_name (const bfd_mach_o_xlat_name *table, unsigned long val) | |
282 | { | |
283 | const char *res = bfd_mach_o_get_name_or_null (table, val); | |
284 | ||
285 | if (res == NULL) | |
286 | return "*UNKNOWN*"; | |
287 | else | |
288 | return res; | |
289 | } | |
290 | ||
291 | static void | |
292 | dump_header (bfd *abfd) | |
293 | { | |
294 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
295 | bfd_mach_o_header *h = &mdata->header; | |
296 | ||
297 | fputs (_("Mach-O header:\n"), stdout); | |
298 | printf (_(" magic : %08lx\n"), h->magic); | |
299 | printf (_(" cputype : %08lx (%s)\n"), h->cputype, | |
2634e8c8 | 300 | bfd_mach_o_get_name (bfd_mach_o_cpu_name, h->cputype)); |
12fa714f TG |
301 | printf (_(" cpusubtype: %08lx\n"), h->cpusubtype); |
302 | printf (_(" filetype : %08lx (%s)\n"), | |
2634e8c8 TG |
303 | h->filetype, |
304 | bfd_mach_o_get_name (bfd_mach_o_filetype_name, h->filetype)); | |
12fa714f | 305 | printf (_(" ncmds : %08lx (%lu)\n"), h->ncmds, h->ncmds); |
47f8a107 | 306 | printf (_(" sizeofcmds: %08lx (%lu)\n"), h->sizeofcmds, h->sizeofcmds); |
12fa714f TG |
307 | printf (_(" flags : %08lx ("), h->flags); |
308 | bfd_mach_o_print_flags (bfd_mach_o_header_flags_name, h->flags); | |
309 | fputs (_(")\n"), stdout); | |
310 | printf (_(" reserved : %08x\n"), h->reserved); | |
c275b681 | 311 | putchar ('\n'); |
12fa714f TG |
312 | } |
313 | ||
3cc27770 TG |
314 | static void |
315 | disp_segment_prot (unsigned int prot) | |
316 | { | |
317 | putchar (prot & BFD_MACH_O_PROT_READ ? 'r' : '-'); | |
318 | putchar (prot & BFD_MACH_O_PROT_WRITE ? 'w' : '-'); | |
319 | putchar (prot & BFD_MACH_O_PROT_EXECUTE ? 'x' : '-'); | |
320 | } | |
321 | ||
12fa714f TG |
322 | static void |
323 | dump_section_map (bfd *abfd) | |
324 | { | |
325 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
c9ffd2ea | 326 | bfd_mach_o_load_command *cmd; |
12fa714f TG |
327 | unsigned int sec_nbr = 0; |
328 | ||
329 | fputs (_("Segments and Sections:\n"), stdout); | |
330 | fputs (_(" #: Segment name Section name Address\n"), stdout); | |
331 | ||
c9ffd2ea | 332 | for (cmd = mdata->first_command; cmd != NULL; cmd = cmd->next) |
12fa714f TG |
333 | { |
334 | bfd_mach_o_segment_command *seg; | |
335 | bfd_mach_o_section *sec; | |
336 | ||
c9ffd2ea TG |
337 | if (cmd->type != BFD_MACH_O_LC_SEGMENT |
338 | && cmd->type != BFD_MACH_O_LC_SEGMENT_64) | |
12fa714f TG |
339 | continue; |
340 | ||
c9ffd2ea | 341 | seg = &cmd->command.segment; |
12fa714f TG |
342 | |
343 | printf ("[Segment %-16s ", seg->segname); | |
344 | printf_vma (seg->vmaddr); | |
345 | putchar ('-'); | |
346 | printf_vma (seg->vmaddr + seg->vmsize - 1); | |
347 | putchar (' '); | |
3cc27770 | 348 | disp_segment_prot (seg->initprot); |
12fa714f TG |
349 | printf ("]\n"); |
350 | ||
351 | for (sec = seg->sect_head; sec != NULL; sec = sec->next) | |
352 | { | |
353 | printf ("%02u: %-16s %-16s ", ++sec_nbr, | |
354 | sec->segname, sec->sectname); | |
355 | printf_vma (sec->addr); | |
356 | putchar (' '); | |
357 | printf_vma (sec->size); | |
358 | printf (" %08lx\n", sec->flags); | |
359 | } | |
360 | } | |
361 | } | |
362 | ||
363 | static void | |
167e1c1f | 364 | dump_section_header (bfd *abfd ATTRIBUTE_UNUSED, bfd_mach_o_section *sec) |
12fa714f TG |
365 | { |
366 | printf (" Section: %-16s %-16s (bfdname: %s)\n", | |
367 | sec->sectname, sec->segname, sec->bfdsection->name); | |
368 | printf (" addr: "); | |
369 | printf_vma (sec->addr); | |
370 | printf (" size: "); | |
371 | printf_vma (sec->size); | |
372 | printf (" offset: "); | |
373 | printf_vma (sec->offset); | |
374 | printf ("\n"); | |
375 | printf (" align: %ld", sec->align); | |
376 | printf (" nreloc: %lu reloff: ", sec->nreloc); | |
377 | printf_vma (sec->reloff); | |
378 | printf ("\n"); | |
379 | printf (" flags: %08lx (type: %s", sec->flags, | |
380 | bfd_mach_o_get_name (bfd_mach_o_section_type_name, | |
381 | sec->flags & BFD_MACH_O_SECTION_TYPE_MASK)); | |
382 | printf (" attr: "); | |
383 | bfd_mach_o_print_flags (bfd_mach_o_section_attribute_name, | |
384 | sec->flags & BFD_MACH_O_SECTION_ATTRIBUTES_MASK); | |
385 | printf (")\n"); | |
386 | switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK) | |
387 | { | |
388 | case BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS: | |
389 | case BFD_MACH_O_S_LAZY_SYMBOL_POINTERS: | |
390 | case BFD_MACH_O_S_SYMBOL_STUBS: | |
391 | printf (" first indirect sym: %lu", sec->reserved1); | |
392 | printf (" (%u entries)", | |
393 | bfd_mach_o_section_get_nbr_indirect (abfd, sec)); | |
394 | break; | |
395 | default: | |
396 | printf (" reserved1: 0x%lx", sec->reserved1); | |
397 | break; | |
398 | } | |
399 | switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK) | |
400 | { | |
401 | case BFD_MACH_O_S_SYMBOL_STUBS: | |
402 | printf (" stub size: %lu", sec->reserved2); | |
403 | break; | |
404 | default: | |
405 | printf (" reserved2: 0x%lx", sec->reserved2); | |
406 | break; | |
407 | } | |
408 | printf (" reserved3: 0x%lx\n", sec->reserved3); | |
409 | } | |
410 | ||
411 | static void | |
412 | dump_segment (bfd *abfd ATTRIBUTE_UNUSED, bfd_mach_o_load_command *cmd) | |
413 | { | |
414 | bfd_mach_o_segment_command *seg = &cmd->command.segment; | |
415 | bfd_mach_o_section *sec; | |
416 | ||
47f8a107 TG |
417 | printf (" name: %16s", *seg->segname ? seg->segname : "*none*"); |
418 | printf (" nsects: %lu", seg->nsects); | |
419 | printf (" flags: %lx", seg->flags); | |
420 | printf (" initprot: "); | |
421 | disp_segment_prot (seg->initprot); | |
422 | printf (" maxprot: "); | |
423 | disp_segment_prot (seg->maxprot); | |
424 | printf ("\n"); | |
425 | printf (" vmaddr: "); | |
12fa714f TG |
426 | printf_vma (seg->vmaddr); |
427 | printf (" vmsize: "); | |
428 | printf_vma (seg->vmsize); | |
429 | printf ("\n"); | |
47f8a107 | 430 | printf (" fileoff: "); |
12fa714f TG |
431 | printf_vma (seg->fileoff); |
432 | printf (" filesize: "); | |
433 | printf_vma ((bfd_vma)seg->filesize); | |
434 | printf (" endoff: "); | |
435 | printf_vma ((bfd_vma)(seg->fileoff + seg->filesize)); | |
436 | printf ("\n"); | |
12fa714f | 437 | for (sec = seg->sect_head; sec != NULL; sec = sec->next) |
167e1c1f | 438 | dump_section_header (abfd, sec); |
12fa714f TG |
439 | } |
440 | ||
441 | static void | |
442 | dump_dysymtab (bfd *abfd, bfd_mach_o_load_command *cmd, bfd_boolean verbose) | |
443 | { | |
444 | bfd_mach_o_dysymtab_command *dysymtab = &cmd->command.dysymtab; | |
445 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
446 | unsigned int i; | |
447 | ||
448 | printf (" local symbols: idx: %10lu num: %-8lu", | |
449 | dysymtab->ilocalsym, dysymtab->nlocalsym); | |
450 | printf (" (nxtidx: %lu)\n", | |
451 | dysymtab->ilocalsym + dysymtab->nlocalsym); | |
452 | printf (" external symbols: idx: %10lu num: %-8lu", | |
453 | dysymtab->iextdefsym, dysymtab->nextdefsym); | |
454 | printf (" (nxtidx: %lu)\n", | |
455 | dysymtab->iextdefsym + dysymtab->nextdefsym); | |
456 | printf (" undefined symbols: idx: %10lu num: %-8lu", | |
457 | dysymtab->iundefsym, dysymtab->nundefsym); | |
458 | printf (" (nxtidx: %lu)\n", | |
459 | dysymtab->iundefsym + dysymtab->nundefsym); | |
460 | printf (" table of content: off: 0x%08lx num: %-8lu", | |
461 | dysymtab->tocoff, dysymtab->ntoc); | |
462 | printf (" (endoff: 0x%08lx)\n", | |
463 | dysymtab->tocoff + dysymtab->ntoc * BFD_MACH_O_TABLE_OF_CONTENT_SIZE); | |
464 | printf (" module table: off: 0x%08lx num: %-8lu", | |
465 | dysymtab->modtaboff, dysymtab->nmodtab); | |
466 | printf (" (endoff: 0x%08lx)\n", | |
467 | dysymtab->modtaboff + dysymtab->nmodtab | |
468 | * (mdata->header.version == 2 ? | |
469 | BFD_MACH_O_DYLIB_MODULE_64_SIZE : BFD_MACH_O_DYLIB_MODULE_SIZE)); | |
470 | printf (" external reference table: off: 0x%08lx num: %-8lu", | |
471 | dysymtab->extrefsymoff, dysymtab->nextrefsyms); | |
472 | printf (" (endoff: 0x%08lx)\n", | |
473 | dysymtab->extrefsymoff | |
474 | + dysymtab->nextrefsyms * BFD_MACH_O_REFERENCE_SIZE); | |
475 | printf (" indirect symbol table: off: 0x%08lx num: %-8lu", | |
476 | dysymtab->indirectsymoff, dysymtab->nindirectsyms); | |
477 | printf (" (endoff: 0x%08lx)\n", | |
478 | dysymtab->indirectsymoff | |
479 | + dysymtab->nindirectsyms * BFD_MACH_O_INDIRECT_SYMBOL_SIZE); | |
480 | printf (" external relocation table: off: 0x%08lx num: %-8lu", | |
481 | dysymtab->extreloff, dysymtab->nextrel); | |
482 | printf (" (endoff: 0x%08lx)\n", | |
483 | dysymtab->extreloff + dysymtab->nextrel * BFD_MACH_O_RELENT_SIZE); | |
484 | printf (" local relocation table: off: 0x%08lx num: %-8lu", | |
485 | dysymtab->locreloff, dysymtab->nlocrel); | |
486 | printf (" (endoff: 0x%08lx)\n", | |
487 | dysymtab->locreloff + dysymtab->nlocrel * BFD_MACH_O_RELENT_SIZE); | |
488 | ||
489 | if (!verbose) | |
490 | return; | |
491 | ||
492 | if (dysymtab->ntoc > 0 | |
493 | || dysymtab->nindirectsyms > 0 | |
494 | || dysymtab->nextrefsyms > 0) | |
495 | { | |
496 | /* Try to read the symbols to display the toc or indirect symbols. */ | |
497 | bfd_mach_o_read_symtab_symbols (abfd); | |
498 | } | |
499 | else if (dysymtab->nmodtab > 0) | |
500 | { | |
501 | /* Try to read the strtab to display modules name. */ | |
502 | bfd_mach_o_read_symtab_strtab (abfd); | |
503 | } | |
504 | ||
505 | for (i = 0; i < dysymtab->nmodtab; i++) | |
506 | { | |
507 | bfd_mach_o_dylib_module *module = &dysymtab->dylib_module[i]; | |
508 | printf (" module %u:\n", i); | |
509 | printf (" name: %lu", module->module_name_idx); | |
510 | if (mdata->symtab && mdata->symtab->strtab) | |
511 | printf (": %s", | |
512 | mdata->symtab->strtab + module->module_name_idx); | |
513 | printf ("\n"); | |
514 | printf (" extdefsym: idx: %8lu num: %lu\n", | |
515 | module->iextdefsym, module->nextdefsym); | |
516 | printf (" refsym: idx: %8lu num: %lu\n", | |
517 | module->irefsym, module->nrefsym); | |
518 | printf (" localsym: idx: %8lu num: %lu\n", | |
519 | module->ilocalsym, module->nlocalsym); | |
520 | printf (" extrel: idx: %8lu num: %lu\n", | |
521 | module->iextrel, module->nextrel); | |
522 | printf (" init: idx: %8u num: %u\n", | |
523 | module->iinit, module->ninit); | |
524 | printf (" term: idx: %8u num: %u\n", | |
525 | module->iterm, module->nterm); | |
526 | printf (" objc_module_info: addr: "); | |
527 | printf_vma (module->objc_module_info_addr); | |
528 | printf (" size: %lu\n", module->objc_module_info_size); | |
529 | } | |
530 | ||
531 | if (dysymtab->ntoc > 0) | |
532 | { | |
533 | bfd_mach_o_symtab_command *symtab = mdata->symtab; | |
534 | ||
535 | printf (" table of content: (symbol/module)\n"); | |
536 | for (i = 0; i < dysymtab->ntoc; i++) | |
537 | { | |
538 | bfd_mach_o_dylib_table_of_content *toc = &dysymtab->dylib_toc[i]; | |
539 | ||
540 | printf (" %4u: ", i); | |
541 | if (symtab && symtab->symbols && toc->symbol_index < symtab->nsyms) | |
542 | { | |
543 | const char *name = symtab->symbols[toc->symbol_index].symbol.name; | |
544 | printf ("%s (%lu)", name ? name : "*invalid*", | |
545 | toc->symbol_index); | |
546 | } | |
547 | else | |
548 | printf ("%lu", toc->symbol_index); | |
549 | ||
550 | printf (" / "); | |
551 | if (symtab && symtab->strtab | |
552 | && toc->module_index < dysymtab->nmodtab) | |
553 | { | |
554 | bfd_mach_o_dylib_module *mod; | |
555 | mod = &dysymtab->dylib_module[toc->module_index]; | |
556 | printf ("%s (%lu)", | |
557 | symtab->strtab + mod->module_name_idx, | |
558 | toc->module_index); | |
559 | } | |
560 | else | |
561 | printf ("%lu", toc->module_index); | |
562 | ||
563 | printf ("\n"); | |
564 | } | |
565 | } | |
566 | ||
567 | if (dysymtab->nindirectsyms != 0) | |
568 | { | |
569 | printf (" indirect symbols:\n"); | |
570 | ||
571 | for (i = 0; i < mdata->nsects; i++) | |
572 | { | |
573 | bfd_mach_o_section *sec = mdata->sections[i]; | |
574 | unsigned int j, first, last; | |
575 | bfd_mach_o_symtab_command *symtab = mdata->symtab; | |
576 | bfd_vma addr; | |
577 | bfd_vma entry_size; | |
578 | ||
579 | switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK) | |
580 | { | |
581 | case BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS: | |
582 | case BFD_MACH_O_S_LAZY_SYMBOL_POINTERS: | |
583 | case BFD_MACH_O_S_SYMBOL_STUBS: | |
584 | first = sec->reserved1; | |
585 | last = first + bfd_mach_o_section_get_nbr_indirect (abfd, sec); | |
586 | addr = sec->addr; | |
587 | entry_size = bfd_mach_o_section_get_entry_size (abfd, sec); | |
588 | printf (" for section %s.%s:\n", | |
589 | sec->segname, sec->sectname); | |
590 | for (j = first; j < last; j++) | |
591 | { | |
592 | unsigned int isym = dysymtab->indirect_syms[j]; | |
593 | ||
594 | printf (" "); | |
595 | printf_vma (addr); | |
596 | printf (" %5u: 0x%08x", j, isym); | |
597 | if (isym & BFD_MACH_O_INDIRECT_SYMBOL_LOCAL) | |
598 | printf (" LOCAL"); | |
599 | if (isym & BFD_MACH_O_INDIRECT_SYMBOL_ABS) | |
600 | printf (" ABSOLUTE"); | |
601 | if (symtab && symtab->symbols | |
602 | && isym < symtab->nsyms | |
603 | && symtab->symbols[isym].symbol.name) | |
604 | printf (" %s", symtab->symbols[isym].symbol.name); | |
605 | printf ("\n"); | |
606 | addr += entry_size; | |
607 | } | |
608 | break; | |
609 | default: | |
610 | break; | |
611 | } | |
612 | } | |
613 | } | |
614 | if (dysymtab->nextrefsyms > 0) | |
615 | { | |
616 | bfd_mach_o_symtab_command *symtab = mdata->symtab; | |
617 | ||
618 | printf (" external reference table: (symbol flags)\n"); | |
619 | for (i = 0; i < dysymtab->nextrefsyms; i++) | |
620 | { | |
621 | bfd_mach_o_dylib_reference *ref = &dysymtab->ext_refs[i]; | |
622 | ||
623 | printf (" %4u: %5lu 0x%02lx", i, ref->isym, ref->flags); | |
624 | if (symtab && symtab->symbols | |
625 | && ref->isym < symtab->nsyms | |
626 | && symtab->symbols[ref->isym].symbol.name) | |
627 | printf (" %s", symtab->symbols[ref->isym].symbol.name); | |
628 | printf ("\n"); | |
629 | } | |
630 | } | |
631 | ||
632 | } | |
633 | ||
e89d3dee TG |
634 | static bfd_boolean |
635 | load_and_dump (bfd *abfd, ufile_ptr off, unsigned int len, | |
636 | void (*dump)(bfd *abfd, unsigned char *buf, unsigned int len, | |
637 | ufile_ptr off)) | |
638 | { | |
639 | unsigned char *buf; | |
640 | ||
641 | if (len == 0) | |
642 | return TRUE; | |
643 | ||
644 | buf = xmalloc (len); | |
645 | ||
646 | if (bfd_seek (abfd, off, SEEK_SET) == 0 | |
647 | && bfd_bread (buf, len, abfd) == len) | |
648 | dump (abfd, buf, len, off); | |
649 | else | |
650 | return FALSE; | |
651 | ||
652 | free (buf); | |
653 | return TRUE; | |
654 | } | |
655 | ||
656 | static const bfd_mach_o_xlat_name bfd_mach_o_dyld_rebase_type_name[] = | |
657 | { | |
658 | { "pointer", BFD_MACH_O_REBASE_TYPE_POINTER }, | |
659 | { "text_abs32", BFD_MACH_O_REBASE_TYPE_TEXT_ABSOLUTE32 }, | |
660 | { "text_pcrel32", BFD_MACH_O_REBASE_TYPE_TEXT_PCREL32 }, | |
661 | { NULL, 0 } | |
662 | }; | |
663 | ||
664 | static void | |
665 | dump_dyld_info_rebase (bfd *abfd, unsigned char *buf, unsigned int len, | |
666 | ufile_ptr off ATTRIBUTE_UNUSED) | |
667 | { | |
668 | unsigned int i; | |
669 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
670 | unsigned int ptrsize = mdata->header.version == 2 ? 8 : 4; | |
671 | ||
672 | for (i = 0; i < len; ) | |
673 | { | |
674 | unsigned char b = buf[i++]; | |
675 | unsigned char imm = b & BFD_MACH_O_REBASE_IMMEDIATE_MASK; | |
676 | bfd_vma leb; | |
677 | unsigned int leblen; | |
678 | ||
679 | printf (" [0x%04x] 0x%02x: ", i, b); | |
680 | switch (b & BFD_MACH_O_REBASE_OPCODE_MASK) | |
681 | { | |
682 | case BFD_MACH_O_REBASE_OPCODE_DONE: | |
683 | printf ("done\n"); | |
684 | return; | |
685 | case BFD_MACH_O_REBASE_OPCODE_SET_TYPE_IMM: | |
686 | printf ("set_type %s\n", | |
687 | bfd_mach_o_get_name (bfd_mach_o_dyld_rebase_type_name, imm)); | |
688 | break; | |
689 | case BFD_MACH_O_REBASE_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB: | |
16412c3b | 690 | leb = read_leb128 (buf + i, &leblen, 0, buf + len); |
e89d3dee TG |
691 | printf ("set segment: %u and offset: 0x%08x\n", |
692 | imm, (unsigned) leb); | |
693 | i += leblen; | |
694 | break; | |
695 | case BFD_MACH_O_REBASE_OPCODE_ADD_ADDR_ULEB: | |
16412c3b | 696 | leb = read_leb128 (buf + i, &leblen, 0, buf + len); |
e89d3dee TG |
697 | printf ("add addr uleb: 0x%08x\n", (unsigned) leb); |
698 | i += leblen; | |
699 | break; | |
700 | case BFD_MACH_O_REBASE_OPCODE_ADD_ADDR_IMM_SCALED: | |
701 | printf ("add addr imm scaled: %u\n", imm * ptrsize); | |
702 | break; | |
703 | case BFD_MACH_O_REBASE_OPCODE_DO_REBASE_IMM_TIMES: | |
704 | printf ("rebase imm times: %u\n", imm); | |
705 | break; | |
706 | case BFD_MACH_O_REBASE_OPCODE_DO_REBASE_ULEB_TIMES: | |
16412c3b | 707 | leb = read_leb128 (buf + i, &leblen, 0, buf + len); |
e89d3dee TG |
708 | printf ("rebase uleb times: %u\n", (unsigned) leb); |
709 | i += leblen; | |
710 | break; | |
711 | case BFD_MACH_O_REBASE_OPCODE_DO_REBASE_ADD_ADDR_ULEB: | |
16412c3b | 712 | leb = read_leb128 (buf + i, &leblen, 0, buf + len); |
e89d3dee TG |
713 | printf ("rebase add addr uleb: %u\n", (unsigned) leb); |
714 | i += leblen; | |
715 | break; | |
716 | case BFD_MACH_O_REBASE_OPCODE_DO_REBASE_ULEB_TIMES_SKIPPING_ULEB: | |
16412c3b | 717 | leb = read_leb128 (buf + i, &leblen, 0, buf + len); |
e89d3dee TG |
718 | printf ("rebase uleb times (%u)", (unsigned) leb); |
719 | i += leblen; | |
16412c3b | 720 | leb = read_leb128 (buf + i, &leblen, 0, buf + len); |
e89d3dee TG |
721 | printf (" skipping uleb (%u)\n", (unsigned) leb); |
722 | i += leblen; | |
723 | break; | |
724 | default: | |
725 | printf ("unknown\n"); | |
726 | return; | |
727 | } | |
728 | } | |
729 | printf (" rebase commands without end!\n"); | |
730 | } | |
731 | ||
732 | static void | |
733 | dump_dyld_info_bind (bfd *abfd, unsigned char *buf, unsigned int len, | |
734 | ufile_ptr off ATTRIBUTE_UNUSED) | |
735 | { | |
736 | unsigned int i; | |
737 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
738 | unsigned int ptrsize = mdata->header.version == 2 ? 8 : 4; | |
739 | ||
740 | for (i = 0; i < len; ) | |
741 | { | |
742 | unsigned char b = buf[i++]; | |
743 | unsigned char imm = b & BFD_MACH_O_BIND_IMMEDIATE_MASK; | |
744 | bfd_vma leb; | |
745 | unsigned int leblen; | |
746 | ||
747 | printf (" [0x%04x] 0x%02x: ", i, b); | |
748 | switch (b & BFD_MACH_O_BIND_OPCODE_MASK) | |
749 | { | |
750 | case BFD_MACH_O_BIND_OPCODE_DONE: | |
751 | printf ("done\n"); | |
752 | return; | |
753 | case BFD_MACH_O_BIND_OPCODE_SET_DYLIB_ORDINAL_IMM: | |
754 | printf ("set dylib ordinal imm: %u\n", imm); | |
755 | break; | |
756 | case BFD_MACH_O_BIND_OPCODE_SET_DYLIB_ORDINAL_ULEB: | |
16412c3b | 757 | leb = read_leb128 (buf + i, &leblen, 0, buf + len); |
e89d3dee TG |
758 | printf ("set dylib ordinal uleb: %u\n", imm); |
759 | i += leblen; | |
760 | break; | |
761 | case BFD_MACH_O_BIND_OPCODE_SET_DYLIB_SPECIAL_IMM: | |
762 | imm = (imm != 0) ? imm | BFD_MACH_O_BIND_OPCODE_MASK : imm; | |
763 | printf ("set dylib special imm: %d\n", imm); | |
764 | break; | |
765 | case BFD_MACH_O_BIND_OPCODE_SET_SYMBOL_TRAILING_FLAGS_IMM: | |
766 | printf ("set symbol trailing flags imm: 0x%02x, ", imm); | |
767 | for (; i < len && buf[i] != 0; i++) | |
768 | putchar (buf[i] >= ' ' && buf[i] < 0x7f ? buf[i] : '?'); | |
769 | putchar ('\n'); | |
770 | i++; | |
771 | break; | |
772 | case BFD_MACH_O_BIND_OPCODE_SET_TYPE_IMM: | |
773 | /* Kludge: use the same table as rebase type. */ | |
774 | printf ("set_type %s\n", | |
775 | bfd_mach_o_get_name (bfd_mach_o_dyld_rebase_type_name, imm)); | |
776 | break; | |
777 | case BFD_MACH_O_BIND_OPCODE_SET_ADDEND_SLEB: | |
778 | { | |
779 | bfd_signed_vma svma; | |
16412c3b | 780 | svma = read_leb128 (buf + i, &leblen, 0, buf + len); |
e89d3dee TG |
781 | printf ("set addend sleb: 0x%08x\n", (unsigned) svma); |
782 | i += leblen; | |
783 | } | |
784 | break; | |
785 | case BFD_MACH_O_BIND_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB: | |
16412c3b | 786 | leb = read_leb128 (buf + i, &leblen, 0, buf + len); |
e89d3dee TG |
787 | printf ("set segment: %u and offset: 0x%08x\n", |
788 | imm, (unsigned) leb); | |
789 | i += leblen; | |
790 | break; | |
791 | case BFD_MACH_O_BIND_OPCODE_ADD_ADDR_ULEB: | |
16412c3b | 792 | leb = read_leb128 (buf + i, &leblen, 0, buf + len); |
e89d3dee TG |
793 | printf ("add addr uleb: 0x%08x\n", (unsigned) leb); |
794 | i += leblen; | |
795 | break; | |
796 | case BFD_MACH_O_BIND_OPCODE_DO_BIND: | |
797 | printf ("do bind\n"); | |
798 | break; | |
799 | case BFD_MACH_O_BIND_OPCODE_DO_BIND_ADD_ADDR_ULEB: | |
16412c3b | 800 | leb = read_leb128 (buf + i, &leblen, 0, buf + len); |
e89d3dee TG |
801 | printf ("do bind add addr uleb: 0x%08x\n", (unsigned) leb); |
802 | i += leblen; | |
803 | break; | |
804 | case BFD_MACH_O_BIND_OPCODE_DO_BIND_ADD_ADDR_IMM_SCALED: | |
805 | printf ("do bind add addr imm scaled: %u\n", imm * ptrsize); | |
806 | break; | |
807 | case BFD_MACH_O_BIND_OPCODE_DO_BIND_ULEB_TIMES_SKIPPING_ULEB: | |
16412c3b | 808 | leb = read_leb128 (buf + i, &leblen, 0, buf + len); |
e89d3dee TG |
809 | printf ("do bind uleb times (%u)", (unsigned) leb); |
810 | i += leblen; | |
16412c3b | 811 | leb = read_leb128 (buf + i, &leblen, 0, buf + len); |
e89d3dee TG |
812 | printf (" skipping uleb (%u)\n", (unsigned) leb); |
813 | i += leblen; | |
814 | break; | |
815 | default: | |
816 | printf ("unknown\n"); | |
817 | return; | |
818 | } | |
819 | } | |
820 | printf (" bind commands without end!\n"); | |
821 | } | |
822 | ||
823 | struct export_info_data | |
824 | { | |
825 | const unsigned char *name; | |
826 | struct export_info_data *next; | |
827 | }; | |
828 | ||
12fa714f | 829 | static void |
e89d3dee TG |
830 | dump_dyld_info_export_1 (bfd *abfd, unsigned char *buf, unsigned int len, |
831 | unsigned int off, struct export_info_data *parent, | |
832 | struct export_info_data *base) | |
833 | { | |
834 | bfd_vma size; | |
835 | unsigned int leblen; | |
836 | unsigned int child_count; | |
837 | unsigned int i; | |
838 | ||
16412c3b | 839 | size = read_leb128 (buf + off, &leblen, 0, buf + len); |
e89d3dee TG |
840 | off += leblen; |
841 | ||
842 | if (size != 0) | |
843 | { | |
844 | bfd_vma flags; | |
845 | struct export_info_data *d; | |
846 | ||
16412c3b | 847 | flags = read_leb128 (buf + off, &leblen, 0, buf + len); |
e89d3dee TG |
848 | off += leblen; |
849 | ||
850 | fputs (" ", stdout); | |
851 | switch (flags & BFD_MACH_O_EXPORT_SYMBOL_FLAGS_KIND_MASK) | |
852 | { | |
853 | case BFD_MACH_O_EXPORT_SYMBOL_FLAGS_KIND_REGULAR: | |
854 | putchar ('-'); | |
855 | break; | |
856 | case BFD_MACH_O_EXPORT_SYMBOL_FLAGS_KIND_THREAD_LOCAL: | |
857 | putchar ('T'); | |
858 | break; | |
859 | default: | |
860 | putchar ('?'); | |
861 | break; | |
862 | } | |
863 | putchar ((flags & BFD_MACH_O_EXPORT_SYMBOL_FLAGS_WEAK_DEFINITION) ? | |
864 | 'W' : '-'); | |
865 | ||
866 | if (flags & BFD_MACH_O_EXPORT_SYMBOL_FLAGS_REEXPORT) | |
867 | { | |
868 | bfd_vma lib; | |
869 | ||
16412c3b | 870 | lib = read_leb128 (buf + off, &leblen, 0, buf + len); |
e89d3dee TG |
871 | off += leblen; |
872 | ||
873 | fputs (" [reexport] ", stdout); | |
874 | for (d = base; d != NULL; d = d->next) | |
875 | printf ("%s", d->name); | |
876 | ||
877 | fputs (" (", stdout); | |
878 | if (buf[off] != 0) | |
879 | { | |
880 | fputs ((const char *)buf + off, stdout); | |
881 | putchar (' '); | |
882 | off += strlen ((const char *)buf + off); | |
883 | } | |
884 | printf ("from dylib %u)\n", (unsigned) lib); | |
885 | off++; | |
886 | } | |
887 | else | |
888 | { | |
889 | bfd_vma offset; | |
890 | bfd_vma resolv = 0; | |
891 | ||
16412c3b | 892 | offset = read_leb128 (buf + off, &leblen, 0, buf + len); |
e89d3dee TG |
893 | off += leblen; |
894 | ||
895 | if (flags & BFD_MACH_O_EXPORT_SYMBOL_FLAGS_STUB_AND_RESOLVER) | |
896 | { | |
16412c3b | 897 | resolv = read_leb128 (buf + off, &leblen, 0, buf + len); |
e89d3dee TG |
898 | off += leblen; |
899 | } | |
900 | ||
901 | printf (" 0x%08x ", (unsigned) offset); | |
902 | for (d = base; d != NULL; d = d->next) | |
903 | printf ("%s", d->name); | |
904 | if (flags & BFD_MACH_O_EXPORT_SYMBOL_FLAGS_STUB_AND_RESOLVER) | |
905 | printf (" [resolv: 0x%08x]", (unsigned) resolv); | |
906 | printf ("\n"); | |
907 | } | |
908 | } | |
909 | ||
16412c3b | 910 | child_count = read_leb128 (buf + off, &leblen, 0, buf + len); |
e89d3dee TG |
911 | off += leblen; |
912 | ||
913 | for (i = 0; i < child_count; i++) | |
914 | { | |
915 | struct export_info_data sub_data; | |
916 | bfd_vma sub_off; | |
917 | ||
918 | sub_data.name = buf + off; | |
919 | sub_data.next = NULL; | |
920 | parent->next = &sub_data; | |
921 | ||
922 | off += strlen ((const char *)buf + off) + 1; | |
923 | ||
16412c3b | 924 | sub_off = read_leb128 (buf + off, &leblen, 0, buf + len); |
e89d3dee TG |
925 | off += leblen; |
926 | ||
927 | dump_dyld_info_export_1 (abfd, buf, len, sub_off, &sub_data, base); | |
928 | } | |
929 | } | |
930 | ||
931 | static void | |
932 | dump_dyld_info_export (bfd *abfd, unsigned char *buf, unsigned int len, | |
933 | ufile_ptr off ATTRIBUTE_UNUSED) | |
934 | { | |
935 | struct export_info_data data; | |
936 | ||
937 | data.name = (const unsigned char *) ""; | |
938 | data.next = NULL; | |
939 | ||
940 | printf (" fl offset sym (Flags: Tls Weak)\n"); | |
941 | dump_dyld_info_export_1 (abfd, buf, len, 0, &data, &data); | |
942 | } | |
943 | ||
944 | static void | |
945 | dump_dyld_info (bfd *abfd, bfd_mach_o_load_command *cmd, | |
946 | bfd_boolean verbose) | |
12fa714f | 947 | { |
16412c3b | 948 | bfd_mach_o_dyld_info_command *dinfo = &cmd->command.dyld_info; |
12fa714f | 949 | |
47f8a107 | 950 | printf (" rebase: off: 0x%08x size: %-8u (endoff: 0x%08x)\n", |
16412c3b AM |
951 | dinfo->rebase_off, dinfo->rebase_size, |
952 | dinfo->rebase_off + dinfo->rebase_size); | |
47f8a107 | 953 | printf (" bind: off: 0x%08x size: %-8u (endoff: 0x%08x)\n", |
16412c3b AM |
954 | dinfo->bind_off, dinfo->bind_size, |
955 | dinfo->bind_off + dinfo->bind_size); | |
47f8a107 | 956 | printf (" weak bind: off: 0x%08x size: %-8u (endoff: 0x%08x)\n", |
16412c3b AM |
957 | dinfo->weak_bind_off, dinfo->weak_bind_size, |
958 | dinfo->weak_bind_off + dinfo->weak_bind_size); | |
47f8a107 | 959 | printf (" lazy bind: off: 0x%08x size: %-8u (endoff: 0x%08x)\n", |
16412c3b AM |
960 | dinfo->lazy_bind_off, dinfo->lazy_bind_size, |
961 | dinfo->lazy_bind_off + dinfo->lazy_bind_size); | |
47f8a107 | 962 | printf (" export: off: 0x%08x size: %-8u (endoff: 0x%08x)\n", |
16412c3b AM |
963 | dinfo->export_off, dinfo->export_size, |
964 | dinfo->export_off + dinfo->export_size); | |
e89d3dee TG |
965 | |
966 | if (!verbose) | |
967 | return; | |
968 | ||
969 | printf (" rebase:\n"); | |
16412c3b | 970 | if (!load_and_dump (abfd, dinfo->rebase_off, dinfo->rebase_size, |
e89d3dee TG |
971 | dump_dyld_info_rebase)) |
972 | non_fatal (_("cannot read rebase dyld info")); | |
973 | ||
974 | printf (" bind:\n"); | |
16412c3b | 975 | if (!load_and_dump (abfd, dinfo->bind_off, dinfo->bind_size, |
e89d3dee TG |
976 | dump_dyld_info_bind)) |
977 | non_fatal (_("cannot read bind dyld info")); | |
978 | ||
979 | printf (" weak bind:\n"); | |
16412c3b | 980 | if (!load_and_dump (abfd, dinfo->weak_bind_off, dinfo->weak_bind_size, |
e89d3dee TG |
981 | dump_dyld_info_bind)) |
982 | non_fatal (_("cannot read weak bind dyld info")); | |
983 | ||
984 | printf (" lazy bind:\n"); | |
16412c3b | 985 | if (!load_and_dump (abfd, dinfo->lazy_bind_off, dinfo->lazy_bind_size, |
e89d3dee TG |
986 | dump_dyld_info_bind)) |
987 | non_fatal (_("cannot read lazy bind dyld info")); | |
988 | ||
989 | printf (" exported symbols:\n"); | |
16412c3b | 990 | if (!load_and_dump (abfd, dinfo->export_off, dinfo->export_size, |
e89d3dee TG |
991 | dump_dyld_info_export)) |
992 | non_fatal (_("cannot read export symbols dyld info")); | |
12fa714f TG |
993 | } |
994 | ||
995 | static void | |
996 | dump_thread (bfd *abfd, bfd_mach_o_load_command *cmd) | |
997 | { | |
998 | bfd_mach_o_thread_command *thread = &cmd->command.thread; | |
999 | unsigned int j; | |
1000 | bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd); | |
1001 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
1002 | ||
1003 | printf (" nflavours: %lu\n", thread->nflavours); | |
1004 | for (j = 0; j < thread->nflavours; j++) | |
1005 | { | |
1006 | bfd_mach_o_thread_flavour *flavour = &thread->flavours[j]; | |
1007 | const bfd_mach_o_xlat_name *name_table; | |
1008 | ||
1009 | printf (" %2u: flavour: 0x%08lx", j, flavour->flavour); | |
1010 | switch (mdata->header.cputype) | |
1011 | { | |
1012 | case BFD_MACH_O_CPU_TYPE_I386: | |
1013 | case BFD_MACH_O_CPU_TYPE_X86_64: | |
1014 | name_table = bfd_mach_o_thread_x86_name; | |
1015 | break; | |
1016 | default: | |
1017 | name_table = NULL; | |
1018 | break; | |
1019 | } | |
1020 | if (name_table != NULL) | |
1021 | printf (": %s", bfd_mach_o_get_name (name_table, flavour->flavour)); | |
1022 | putchar ('\n'); | |
1023 | ||
1024 | printf (" offset: 0x%08lx size: 0x%08lx\n", | |
1025 | flavour->offset, flavour->size); | |
1026 | if (bed->_bfd_mach_o_print_thread) | |
1027 | { | |
1028 | char *buf = xmalloc (flavour->size); | |
1029 | ||
2634e8c8 TG |
1030 | if (bfd_seek (abfd, flavour->offset, SEEK_SET) == 0 |
1031 | && bfd_bread (buf, flavour->size, abfd) == flavour->size) | |
12fa714f | 1032 | (*bed->_bfd_mach_o_print_thread)(abfd, flavour, stdout, buf); |
2634e8c8 | 1033 | |
12fa714f TG |
1034 | free (buf); |
1035 | } | |
1036 | } | |
1037 | } | |
1038 | ||
2634e8c8 TG |
1039 | static const bfd_mach_o_xlat_name bfd_mach_o_cs_magic[] = |
1040 | { | |
1041 | { "embedded signature", BFD_MACH_O_CS_MAGIC_EMBEDDED_SIGNATURE }, | |
1042 | { "requirement", BFD_MACH_O_CS_MAGIC_REQUIREMENT }, | |
1043 | { "requirements", BFD_MACH_O_CS_MAGIC_REQUIREMENTS }, | |
1044 | { "code directory", BFD_MACH_O_CS_MAGIC_CODEDIRECTORY }, | |
1045 | { "embedded entitlements", BFD_MACH_O_CS_MAGIC_EMBEDDED_ENTITLEMENTS }, | |
1046 | { "blob wrapper", BFD_MACH_O_CS_MAGIC_BLOB_WRAPPER }, | |
1047 | { NULL, 0 } | |
1048 | }; | |
1049 | ||
1050 | static const bfd_mach_o_xlat_name bfd_mach_o_cs_hash_type[] = | |
1051 | { | |
1052 | { "no-hash", BFD_MACH_O_CS_NO_HASH }, | |
1053 | { "sha1", BFD_MACH_O_CS_HASH_SHA1 }, | |
1054 | { "sha256", BFD_MACH_O_CS_HASH_SHA256 }, | |
1055 | { "skein 160", BFD_MACH_O_CS_HASH_PRESTANDARD_SKEIN_160x256 }, | |
1056 | { "skein 256", BFD_MACH_O_CS_HASH_PRESTANDARD_SKEIN_256x512 }, | |
1057 | { NULL, 0 } | |
1058 | }; | |
1059 | ||
1060 | static unsigned int | |
1061 | dump_code_signature_blob (bfd *abfd, const unsigned char *buf, unsigned int len); | |
1062 | ||
1063 | static void | |
1064 | dump_code_signature_superblob (bfd *abfd ATTRIBUTE_UNUSED, | |
1065 | const unsigned char *buf, unsigned int len) | |
1066 | { | |
1067 | unsigned int count; | |
1068 | unsigned int i; | |
1069 | ||
1070 | if (len < 12) | |
1071 | { | |
1072 | printf (_(" [bad block length]\n")); | |
1073 | return; | |
1074 | } | |
1075 | count = bfd_getb32 (buf + 8); | |
d3a49aa8 AM |
1076 | printf (ngettext (" %u index entry:\n", |
1077 | " %u index entries:\n", | |
1078 | count), | |
1079 | count); | |
2634e8c8 TG |
1080 | if (len < 12 + 8 * count) |
1081 | { | |
1082 | printf (_(" [bad block length]\n")); | |
1083 | return; | |
1084 | } | |
1085 | for (i = 0; i < count; i++) | |
1086 | { | |
1087 | unsigned int type; | |
1088 | unsigned int off; | |
1089 | ||
1090 | type = bfd_getb32 (buf + 12 + 8 * i); | |
1091 | off = bfd_getb32 (buf + 12 + 8 * i + 4); | |
1092 | printf (_(" index entry %u: type: %08x, offset: %08x\n"), | |
1093 | i, type, off); | |
1094 | ||
1095 | dump_code_signature_blob (abfd, buf + off, len - off); | |
1096 | } | |
1097 | } | |
1098 | ||
1099 | static void | |
1100 | swap_code_codedirectory_v1_in | |
1101 | (const struct mach_o_codesign_codedirectory_external_v1 *src, | |
1102 | struct mach_o_codesign_codedirectory_v1 *dst) | |
1103 | { | |
1104 | dst->version = bfd_getb32 (src->version); | |
1105 | dst->flags = bfd_getb32 (src->flags); | |
1106 | dst->hash_offset = bfd_getb32 (src->hash_offset); | |
1107 | dst->ident_offset = bfd_getb32 (src->ident_offset); | |
1108 | dst->nbr_special_slots = bfd_getb32 (src->nbr_special_slots); | |
1109 | dst->nbr_code_slots = bfd_getb32 (src->nbr_code_slots); | |
1110 | dst->code_limit = bfd_getb32 (src->code_limit); | |
1111 | dst->hash_size = src->hash_size[0]; | |
1112 | dst->hash_type = src->hash_type[0]; | |
1113 | dst->spare1 = src->spare1[0]; | |
1114 | dst->page_size = src->page_size[0]; | |
1115 | dst->spare2 = bfd_getb32 (src->spare2); | |
1116 | } | |
1117 | ||
1118 | static void | |
1119 | hexdump (unsigned int start, unsigned int len, | |
1120 | const unsigned char *buf) | |
1121 | { | |
1122 | unsigned int i, j; | |
1123 | ||
1124 | for (i = 0; i < len; i += 16) | |
1125 | { | |
1126 | printf ("%08x:", start + i); | |
1127 | for (j = 0; j < 16; j++) | |
1128 | { | |
1129 | fputc (j == 8 ? '-' : ' ', stdout); | |
1130 | if (i + j < len) | |
1131 | printf ("%02x", buf[i + j]); | |
1132 | else | |
1133 | fputs (" ", stdout); | |
1134 | } | |
1135 | fputc (' ', stdout); | |
1136 | for (j = 0; j < 16; j++) | |
1137 | { | |
1138 | if (i + j < len) | |
1139 | fputc (ISPRINT (buf[i + j]) ? buf[i + j] : '.', stdout); | |
1140 | else | |
1141 | fputc (' ', stdout); | |
1142 | } | |
1143 | fputc ('\n', stdout); | |
1144 | } | |
1145 | } | |
1146 | ||
1147 | static void | |
1148 | dump_code_signature_codedirectory (bfd *abfd ATTRIBUTE_UNUSED, | |
1149 | const unsigned char *buf, unsigned int len) | |
1150 | { | |
1151 | struct mach_o_codesign_codedirectory_v1 cd; | |
1152 | const char *id; | |
1153 | ||
1154 | if (len < sizeof (struct mach_o_codesign_codedirectory_external_v1)) | |
1155 | { | |
1156 | printf (_(" [bad block length]\n")); | |
1157 | return; | |
1158 | } | |
1159 | ||
1160 | swap_code_codedirectory_v1_in | |
1161 | ((const struct mach_o_codesign_codedirectory_external_v1 *) (buf + 8), &cd); | |
1162 | ||
1163 | printf (_(" version: %08x\n"), cd.version); | |
1164 | printf (_(" flags: %08x\n"), cd.flags); | |
1165 | printf (_(" hash offset: %08x\n"), cd.hash_offset); | |
1166 | id = (const char *) buf + cd.ident_offset; | |
1167 | printf (_(" ident offset: %08x (- %08x)\n"), | |
1168 | cd.ident_offset, cd.ident_offset + (unsigned) strlen (id) + 1); | |
1169 | printf (_(" identity: %s\n"), id); | |
1170 | printf (_(" nbr special slots: %08x (at offset %08x)\n"), | |
1171 | cd.nbr_special_slots, | |
1172 | cd.hash_offset - cd.nbr_special_slots * cd.hash_size); | |
1173 | printf (_(" nbr code slots: %08x\n"), cd.nbr_code_slots); | |
1174 | printf (_(" code limit: %08x\n"), cd.code_limit); | |
1175 | printf (_(" hash size: %02x\n"), cd.hash_size); | |
1176 | printf (_(" hash type: %02x (%s)\n"), | |
1177 | cd.hash_type, | |
1178 | bfd_mach_o_get_name (bfd_mach_o_cs_hash_type, cd.hash_type)); | |
1179 | printf (_(" spare1: %02x\n"), cd.spare1); | |
1180 | printf (_(" page size: %02x\n"), cd.page_size); | |
1181 | printf (_(" spare2: %08x\n"), cd.spare2); | |
1182 | if (cd.version >= 0x20100) | |
1183 | printf (_(" scatter offset: %08x\n"), | |
1184 | (unsigned) bfd_getb32 (buf + 44)); | |
1185 | } | |
1186 | ||
1187 | static unsigned int | |
1188 | dump_code_signature_blob (bfd *abfd, const unsigned char *buf, unsigned int len) | |
1189 | { | |
1190 | unsigned int magic; | |
1191 | unsigned int length; | |
1192 | ||
1193 | if (len < 8) | |
1194 | { | |
1195 | printf (_(" [truncated block]\n")); | |
1196 | return 0; | |
1197 | } | |
1198 | magic = bfd_getb32 (buf); | |
1199 | length = bfd_getb32 (buf + 4); | |
1200 | if (magic == 0 || length == 0) | |
1201 | return 0; | |
1202 | ||
1203 | printf (_(" magic : %08x (%s)\n"), magic, | |
1204 | bfd_mach_o_get_name (bfd_mach_o_cs_magic, magic)); | |
1205 | printf (_(" length: %08x\n"), length); | |
1206 | if (length > len) | |
1207 | { | |
1208 | printf (_(" [bad block length]\n")); | |
1209 | return 0; | |
1210 | } | |
1211 | ||
1212 | switch (magic) | |
1213 | { | |
1214 | case BFD_MACH_O_CS_MAGIC_EMBEDDED_SIGNATURE: | |
1215 | dump_code_signature_superblob (abfd, buf, length); | |
1216 | break; | |
1217 | case BFD_MACH_O_CS_MAGIC_CODEDIRECTORY: | |
1218 | dump_code_signature_codedirectory (abfd, buf, length); | |
1219 | break; | |
1220 | default: | |
1221 | hexdump (0, length - 8, buf + 8); | |
1222 | break; | |
1223 | } | |
1224 | return length; | |
1225 | } | |
1226 | ||
1227 | static void | |
1228 | dump_code_signature (bfd *abfd, bfd_mach_o_linkedit_command *cmd) | |
1229 | { | |
1230 | unsigned char *buf = xmalloc (cmd->datasize); | |
1231 | unsigned int off; | |
1232 | ||
1233 | if (bfd_seek (abfd, cmd->dataoff, SEEK_SET) != 0 | |
1234 | || bfd_bread (buf, cmd->datasize, abfd) != cmd->datasize) | |
1235 | { | |
1236 | non_fatal (_("cannot read code signature data")); | |
1237 | free (buf); | |
1238 | return; | |
1239 | } | |
1240 | for (off = 0; off < cmd->datasize;) | |
1241 | { | |
1242 | unsigned int len; | |
1243 | ||
1244 | len = dump_code_signature_blob (abfd, buf + off, cmd->datasize - off); | |
1245 | ||
1246 | if (len == 0) | |
1247 | break; | |
1248 | off += len; | |
1249 | } | |
1250 | free (buf); | |
1251 | } | |
1252 | ||
2128eb39 TG |
1253 | static void |
1254 | dump_segment_split_info (bfd *abfd, bfd_mach_o_linkedit_command *cmd) | |
1255 | { | |
1256 | unsigned char *buf = xmalloc (cmd->datasize); | |
1257 | unsigned char *p; | |
1258 | unsigned int len; | |
1259 | bfd_vma addr = 0; | |
1260 | ||
1261 | if (bfd_seek (abfd, cmd->dataoff, SEEK_SET) != 0 | |
1262 | || bfd_bread (buf, cmd->datasize, abfd) != cmd->datasize) | |
1263 | { | |
1264 | non_fatal (_("cannot read segment split info")); | |
1265 | free (buf); | |
1266 | return; | |
1267 | } | |
1268 | if (buf[cmd->datasize - 1] != 0) | |
1269 | { | |
1270 | non_fatal (_("segment split info is not nul terminated")); | |
1271 | free (buf); | |
1272 | return; | |
1273 | } | |
1274 | ||
1275 | switch (buf[0]) | |
1276 | { | |
1277 | case 0: | |
1278 | printf (_(" 32 bit pointers:\n")); | |
1279 | break; | |
1280 | case 1: | |
1281 | printf (_(" 64 bit pointers:\n")); | |
1282 | break; | |
1283 | case 2: | |
1284 | printf (_(" PPC hi-16:\n")); | |
1285 | break; | |
1286 | default: | |
1287 | printf (_(" Unhandled location type %u\n"), buf[0]); | |
1288 | break; | |
1289 | } | |
1290 | for (p = buf + 1; *p != 0; p += len) | |
1291 | { | |
16412c3b | 1292 | addr += read_leb128 (p, &len, 0, buf + cmd->datasize); |
2128eb39 TG |
1293 | fputs (" ", stdout); |
1294 | bfd_printf_vma (abfd, addr); | |
1295 | putchar ('\n'); | |
1296 | } | |
1297 | free (buf); | |
1298 | } | |
1299 | ||
3cc27770 TG |
1300 | static void |
1301 | dump_function_starts (bfd *abfd, bfd_mach_o_linkedit_command *cmd) | |
1302 | { | |
1303 | unsigned char *buf = xmalloc (cmd->datasize); | |
1304 | unsigned char *end_buf = buf + cmd->datasize; | |
1305 | unsigned char *p; | |
1306 | bfd_vma addr; | |
1307 | ||
1308 | if (bfd_seek (abfd, cmd->dataoff, SEEK_SET) != 0 | |
1309 | || bfd_bread (buf, cmd->datasize, abfd) != cmd->datasize) | |
1310 | { | |
1311 | non_fatal (_("cannot read function starts")); | |
1312 | free (buf); | |
1313 | return; | |
1314 | } | |
1315 | ||
1316 | /* Function starts are delta encoded, starting from the base address. */ | |
1317 | addr = bfd_mach_o_get_base_address (abfd); | |
1318 | ||
1319 | for (p = buf; ;) | |
1320 | { | |
1321 | bfd_vma delta = 0; | |
1322 | unsigned int shift = 0; | |
1323 | ||
1324 | if (*p == 0 || p == end_buf) | |
1325 | break; | |
1326 | while (1) | |
1327 | { | |
1328 | unsigned char b = *p++; | |
1329 | ||
1330 | delta |= (b & 0x7f) << shift; | |
1331 | if ((b & 0x80) == 0) | |
1332 | break; | |
1333 | if (p == end_buf) | |
1334 | { | |
1335 | fputs (" [truncated]\n", stdout); | |
1336 | break; | |
1337 | } | |
1338 | shift += 7; | |
1339 | } | |
1340 | ||
1341 | addr += delta; | |
1342 | fputs (" ", stdout); | |
1343 | bfd_printf_vma (abfd, addr); | |
1344 | putchar ('\n'); | |
1345 | } | |
1346 | free (buf); | |
1347 | } | |
1348 | ||
c275b681 TG |
1349 | static const bfd_mach_o_xlat_name data_in_code_kind_name[] = |
1350 | { | |
1351 | { "data", BFD_MACH_O_DICE_KIND_DATA }, | |
1352 | { "1 byte jump table", BFD_MACH_O_DICE_JUMP_TABLES8 }, | |
1353 | { "2 bytes jump table", BFD_MACH_O_DICE_JUMP_TABLES16 }, | |
1354 | { "4 bytes jump table", BFD_MACH_O_DICE_JUMP_TABLES32 }, | |
1355 | { "4 bytes abs jump table", BFD_MACH_O_DICE_ABS_JUMP_TABLES32 }, | |
1356 | { NULL, 0 } | |
1357 | }; | |
1358 | ||
1359 | static void | |
1360 | dump_data_in_code (bfd *abfd, bfd_mach_o_linkedit_command *cmd) | |
1361 | { | |
1362 | unsigned char *buf; | |
1363 | unsigned char *p; | |
1364 | ||
1365 | if (cmd->datasize == 0) | |
1366 | { | |
1367 | printf (" no data_in_code entries\n"); | |
1368 | return; | |
1369 | } | |
1370 | ||
1371 | buf = xmalloc (cmd->datasize); | |
1372 | if (bfd_seek (abfd, cmd->dataoff, SEEK_SET) != 0 | |
1373 | || bfd_bread (buf, cmd->datasize, abfd) != cmd->datasize) | |
1374 | { | |
7a79c514 | 1375 | non_fatal (_("cannot read data_in_code")); |
c275b681 TG |
1376 | free (buf); |
1377 | return; | |
1378 | } | |
1379 | ||
1380 | printf (" offset length kind\n"); | |
1381 | for (p = buf; p < buf + cmd->datasize; ) | |
1382 | { | |
1383 | struct mach_o_data_in_code_entry_external *dice; | |
1384 | unsigned int offset; | |
1385 | unsigned int length; | |
1386 | unsigned int kind; | |
1387 | ||
1388 | dice = (struct mach_o_data_in_code_entry_external *) p; | |
1389 | ||
1390 | offset = bfd_get_32 (abfd, dice->offset); | |
1391 | length = bfd_get_16 (abfd, dice->length); | |
1392 | kind = bfd_get_16 (abfd, dice->kind); | |
1393 | ||
1394 | printf (" 0x%08x 0x%04x 0x%04x %s\n", offset, length, kind, | |
1395 | bfd_mach_o_get_name (data_in_code_kind_name, kind)); | |
1396 | ||
1397 | p += sizeof (*dice); | |
1398 | } | |
1399 | free (buf); | |
1400 | } | |
1401 | ||
7a79c514 TG |
1402 | static void |
1403 | dump_twolevel_hints (bfd *abfd, bfd_mach_o_twolevel_hints_command *cmd) | |
1404 | { | |
1405 | size_t sz = 4 * cmd->nhints; | |
1406 | unsigned char *buf; | |
1407 | unsigned char *p; | |
1408 | ||
1409 | buf = xmalloc (sz); | |
1410 | if (bfd_seek (abfd, cmd->offset, SEEK_SET) != 0 | |
1411 | || bfd_bread (buf, sz, abfd) != sz) | |
1412 | { | |
1413 | non_fatal (_("cannot read twolevel hints")); | |
1414 | free (buf); | |
1415 | return; | |
1416 | } | |
1417 | ||
1418 | for (p = buf; p < buf + sz; p += 4) | |
1419 | { | |
1420 | unsigned int v; | |
1421 | unsigned int isub_image; | |
1422 | unsigned int itoc; | |
1423 | ||
1424 | v = bfd_get_32 (abfd, p); | |
1425 | if (bfd_big_endian (abfd)) | |
1426 | { | |
1427 | isub_image = (v >> 24) & 0xff; | |
1428 | itoc = v & 0xffffff; | |
1429 | } | |
1430 | else | |
1431 | { | |
1432 | isub_image = v & 0xff; | |
1433 | itoc = (v >> 8) & 0xffffff; | |
1434 | } | |
1435 | ||
1436 | printf (" %3u %8u\n", isub_image, itoc); | |
1437 | } | |
1438 | free (buf); | |
1439 | } | |
1440 | ||
12fa714f TG |
1441 | static void |
1442 | dump_load_command (bfd *abfd, bfd_mach_o_load_command *cmd, | |
47f8a107 | 1443 | unsigned int idx, bfd_boolean verbose) |
12fa714f TG |
1444 | { |
1445 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
1446 | const char *cmd_name; | |
1447 | ||
1448 | cmd_name = bfd_mach_o_get_name_or_null | |
1449 | (bfd_mach_o_load_command_name, cmd->type); | |
47f8a107 TG |
1450 | printf ("Load command #%-2u (size: %3u, offset: %4u): ", |
1451 | idx, cmd->len, cmd->offset); | |
12fa714f | 1452 | if (cmd_name == NULL) |
47f8a107 | 1453 | printf ("0x%02x\n", cmd->type); |
12fa714f | 1454 | else |
47f8a107 | 1455 | printf ("%s\n", cmd_name); |
12fa714f TG |
1456 | |
1457 | switch (cmd->type) | |
1458 | { | |
1459 | case BFD_MACH_O_LC_SEGMENT: | |
1460 | case BFD_MACH_O_LC_SEGMENT_64: | |
1461 | dump_segment (abfd, cmd); | |
1462 | break; | |
1463 | case BFD_MACH_O_LC_UUID: | |
1464 | { | |
1465 | bfd_mach_o_uuid_command *uuid = &cmd->command.uuid; | |
1466 | unsigned int j; | |
1467 | ||
47f8a107 | 1468 | printf (" "); |
12fa714f TG |
1469 | for (j = 0; j < sizeof (uuid->uuid); j ++) |
1470 | printf (" %02x", uuid->uuid[j]); | |
1471 | putchar ('\n'); | |
1472 | } | |
1473 | break; | |
1474 | case BFD_MACH_O_LC_LOAD_DYLIB: | |
fbe383b9 | 1475 | case BFD_MACH_O_LC_LAZY_LOAD_DYLIB: |
12fa714f TG |
1476 | case BFD_MACH_O_LC_LOAD_WEAK_DYLIB: |
1477 | case BFD_MACH_O_LC_REEXPORT_DYLIB: | |
1478 | case BFD_MACH_O_LC_ID_DYLIB: | |
1479 | case BFD_MACH_O_LC_LOAD_UPWARD_DYLIB: | |
1480 | { | |
1481 | bfd_mach_o_dylib_command *dylib = &cmd->command.dylib; | |
47f8a107 | 1482 | printf (" name: %s\n", dylib->name_str); |
12fa714f TG |
1483 | printf (" time stamp: 0x%08lx\n", |
1484 | dylib->timestamp); | |
1485 | printf (" current version: 0x%08lx\n", | |
1486 | dylib->current_version); | |
1487 | printf (" comptibility version: 0x%08lx\n", | |
1488 | dylib->compatibility_version); | |
12fa714f | 1489 | } |
9f4a5bd1 | 1490 | break; |
12fa714f TG |
1491 | case BFD_MACH_O_LC_LOAD_DYLINKER: |
1492 | case BFD_MACH_O_LC_ID_DYLINKER: | |
47f8a107 | 1493 | printf (" %s\n", cmd->command.dylinker.name_str); |
12fa714f | 1494 | break; |
10be66a4 | 1495 | case BFD_MACH_O_LC_DYLD_ENVIRONMENT: |
47f8a107 | 1496 | printf (" %s\n", cmd->command.dylinker.name_str); |
10be66a4 | 1497 | break; |
12fa714f TG |
1498 | case BFD_MACH_O_LC_SYMTAB: |
1499 | { | |
1500 | bfd_mach_o_symtab_command *symtab = &cmd->command.symtab; | |
47f8a107 | 1501 | printf (" symoff: 0x%08x nsyms: %8u (endoff: 0x%08x)\n", |
12fa714f TG |
1502 | symtab->symoff, symtab->nsyms, |
1503 | symtab->symoff + symtab->nsyms | |
1504 | * (mdata->header.version == 2 | |
1505 | ? BFD_MACH_O_NLIST_64_SIZE : BFD_MACH_O_NLIST_SIZE)); | |
1506 | printf (" stroff: 0x%08x strsize: %8u (endoff: 0x%08x)\n", | |
1507 | symtab->stroff, symtab->strsize, | |
1508 | symtab->stroff + symtab->strsize); | |
1509 | break; | |
1510 | } | |
1511 | case BFD_MACH_O_LC_DYSYMTAB: | |
12fa714f TG |
1512 | dump_dysymtab (abfd, cmd, verbose); |
1513 | break; | |
9f4a5bd1 TG |
1514 | case BFD_MACH_O_LC_LOADFVMLIB: |
1515 | case BFD_MACH_O_LC_IDFVMLIB: | |
1516 | { | |
1517 | bfd_mach_o_fvmlib_command *fvmlib = &cmd->command.fvmlib; | |
47f8a107 | 1518 | printf (" fvmlib: %s\n", fvmlib->name_str); |
9f4a5bd1 TG |
1519 | printf (" minor version: 0x%08x\n", fvmlib->minor_version); |
1520 | printf (" header address: 0x%08x\n", fvmlib->header_addr); | |
1521 | } | |
1522 | break; | |
12fa714f TG |
1523 | case BFD_MACH_O_LC_CODE_SIGNATURE: |
1524 | case BFD_MACH_O_LC_SEGMENT_SPLIT_INFO: | |
1525 | case BFD_MACH_O_LC_FUNCTION_STARTS: | |
10be66a4 TG |
1526 | case BFD_MACH_O_LC_DATA_IN_CODE: |
1527 | case BFD_MACH_O_LC_DYLIB_CODE_SIGN_DRS: | |
12fa714f TG |
1528 | { |
1529 | bfd_mach_o_linkedit_command *linkedit = &cmd->command.linkedit; | |
1530 | printf | |
47f8a107 | 1531 | (" dataoff: 0x%08lx datasize: 0x%08lx (endoff: 0x%08lx)\n", |
12fa714f TG |
1532 | linkedit->dataoff, linkedit->datasize, |
1533 | linkedit->dataoff + linkedit->datasize); | |
2634e8c8 | 1534 | |
c275b681 TG |
1535 | if (verbose) |
1536 | switch (cmd->type) | |
1537 | { | |
1538 | case BFD_MACH_O_LC_CODE_SIGNATURE: | |
1539 | dump_code_signature (abfd, linkedit); | |
1540 | break; | |
1541 | case BFD_MACH_O_LC_SEGMENT_SPLIT_INFO: | |
1542 | dump_segment_split_info (abfd, linkedit); | |
1543 | break; | |
1544 | case BFD_MACH_O_LC_FUNCTION_STARTS: | |
1545 | dump_function_starts (abfd, linkedit); | |
1546 | break; | |
1547 | case BFD_MACH_O_LC_DATA_IN_CODE: | |
1548 | dump_data_in_code (abfd, linkedit); | |
1549 | break; | |
1550 | default: | |
1551 | break; | |
1552 | } | |
12fa714f | 1553 | } |
c275b681 | 1554 | break; |
12fa714f TG |
1555 | case BFD_MACH_O_LC_SUB_FRAMEWORK: |
1556 | case BFD_MACH_O_LC_SUB_UMBRELLA: | |
1557 | case BFD_MACH_O_LC_SUB_LIBRARY: | |
1558 | case BFD_MACH_O_LC_SUB_CLIENT: | |
1559 | case BFD_MACH_O_LC_RPATH: | |
1560 | { | |
16412c3b AM |
1561 | bfd_mach_o_str_command *strc = &cmd->command.str; |
1562 | printf (" %s\n", strc->str); | |
12fa714f TG |
1563 | break; |
1564 | } | |
1565 | case BFD_MACH_O_LC_THREAD: | |
1566 | case BFD_MACH_O_LC_UNIXTHREAD: | |
1567 | dump_thread (abfd, cmd); | |
1568 | break; | |
fc55a902 TG |
1569 | case BFD_MACH_O_LC_ENCRYPTION_INFO: |
1570 | { | |
1571 | bfd_mach_o_encryption_info_command *cryp = | |
1572 | &cmd->command.encryption_info; | |
e89d3dee TG |
1573 | printf (" cryptoff: 0x%08x cryptsize: 0x%08x (endoff 0x%08x)" |
1574 | " cryptid: %u\n", | |
1575 | cryp->cryptoff, cryp->cryptsize, | |
1576 | cryp->cryptoff + cryp->cryptsize, | |
1577 | cryp->cryptid); | |
fc55a902 TG |
1578 | } |
1579 | break; | |
12fa714f | 1580 | case BFD_MACH_O_LC_DYLD_INFO: |
e89d3dee | 1581 | dump_dyld_info (abfd, cmd, verbose); |
12fa714f TG |
1582 | break; |
1583 | case BFD_MACH_O_LC_VERSION_MIN_MACOSX: | |
1584 | case BFD_MACH_O_LC_VERSION_MIN_IPHONEOS: | |
1585 | { | |
1586 | bfd_mach_o_version_min_command *ver = &cmd->command.version_min; | |
1587 | ||
47f8a107 | 1588 | printf (" %u.%u.%u\n", ver->rel, ver->maj, ver->min); |
12fa714f TG |
1589 | } |
1590 | break; | |
1778ad74 TG |
1591 | case BFD_MACH_O_LC_SOURCE_VERSION: |
1592 | { | |
1593 | bfd_mach_o_source_version_command *version = | |
1594 | &cmd->command.source_version; | |
47f8a107 | 1595 | printf (" version a.b.c.d.e: %u.%u.%u.%u.%u\n", |
1778ad74 TG |
1596 | version->a, version->b, version->c, version->d, version->e); |
1597 | break; | |
1598 | } | |
7a79c514 TG |
1599 | case BFD_MACH_O_LC_PREBOUND_DYLIB: |
1600 | { | |
1601 | bfd_mach_o_prebound_dylib_command *pbdy = &cmd->command.prebound_dylib; | |
1602 | unsigned char *lm = pbdy->linked_modules; | |
1603 | unsigned int j; | |
1604 | unsigned int last; | |
1605 | ||
47f8a107 | 1606 | printf (" dylib: %s\n", pbdy->name_str); |
7a79c514 TG |
1607 | printf (" nmodules: %u\n", pbdy->nmodules); |
1608 | printf (" linked modules (at %u): ", | |
1609 | pbdy->linked_modules_offset - cmd->offset); | |
1610 | last = pbdy->nmodules > 32 ? 32 : pbdy->nmodules; | |
1611 | for (j = 0; j < last; j++) | |
1612 | printf ("%u", (lm[j >> 3] >> (j & 7)) & 1); | |
1613 | if (last < pbdy->nmodules) | |
1614 | printf ("..."); | |
1615 | putchar ('\n'); | |
1616 | break; | |
1617 | } | |
1618 | case BFD_MACH_O_LC_PREBIND_CKSUM: | |
1619 | { | |
1620 | bfd_mach_o_prebind_cksum_command *cksum = &cmd->command.prebind_cksum; | |
47f8a107 | 1621 | printf (" 0x%08x\n", cksum->cksum); |
7a79c514 TG |
1622 | break; |
1623 | } | |
1624 | case BFD_MACH_O_LC_TWOLEVEL_HINTS: | |
1625 | { | |
1626 | bfd_mach_o_twolevel_hints_command *hints = | |
1627 | &cmd->command.twolevel_hints; | |
1628 | ||
47f8a107 | 1629 | printf (" table offset: 0x%08x nbr hints: %u\n", |
7a79c514 TG |
1630 | hints->offset, hints->nhints); |
1631 | if (verbose) | |
1632 | dump_twolevel_hints (abfd, hints); | |
1633 | break; | |
1634 | } | |
1778ad74 TG |
1635 | case BFD_MACH_O_LC_MAIN: |
1636 | { | |
1637 | bfd_mach_o_main_command *entry = &cmd->command.main; | |
47f8a107 | 1638 | printf (" entry offset: "); |
965b60c9 | 1639 | printf_uint64 (entry->entryoff); |
1778ad74 TG |
1640 | printf ("\n" |
1641 | " stack size: "); | |
965b60c9 | 1642 | printf_uint64 (entry->stacksize); |
1778ad74 TG |
1643 | printf ("\n"); |
1644 | break; | |
1645 | } | |
12fa714f | 1646 | default: |
12fa714f TG |
1647 | break; |
1648 | } | |
1649 | putchar ('\n'); | |
1650 | } | |
1651 | ||
1652 | static void | |
1653 | dump_load_commands (bfd *abfd, unsigned int cmd32, unsigned int cmd64) | |
1654 | { | |
1655 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
c9ffd2ea | 1656 | bfd_mach_o_load_command *cmd; |
12fa714f TG |
1657 | unsigned int i; |
1658 | ||
c9ffd2ea | 1659 | for (cmd = mdata->first_command, i = 0; cmd != NULL; cmd = cmd->next, i++) |
12fa714f | 1660 | { |
12fa714f | 1661 | if (cmd32 == 0) |
47f8a107 | 1662 | dump_load_command (abfd, cmd, i, FALSE); |
12fa714f | 1663 | else if (cmd->type == cmd32 || cmd->type == cmd64) |
47f8a107 | 1664 | dump_load_command (abfd, cmd, i, TRUE); |
12fa714f TG |
1665 | } |
1666 | } | |
1667 | ||
167e1c1f TG |
1668 | static const char * const unwind_x86_64_regs[] = |
1669 | {"", "rbx", "r12", "r13", "r14", "r15", "rbp", "???" }; | |
1670 | ||
1671 | static const char * const unwind_x86_regs[] = | |
1672 | {"", "ebx", "ecx", "edx", "edi", "edi", "ebp", "???" }; | |
1673 | ||
1674 | /* Dump x86 or x86-64 compact unwind encoding. Works for both architecture, | |
1675 | as the encoding is the same (but not register names). */ | |
1676 | ||
1677 | static void | |
1678 | dump_unwind_encoding_x86 (unsigned int encoding, unsigned int sz, | |
1679 | const char * const regs_name[]) | |
1680 | { | |
1681 | unsigned int mode; | |
1682 | ||
1683 | mode = encoding & MACH_O_UNWIND_X86_64_MODE_MASK; | |
1684 | switch (mode) | |
1685 | { | |
1686 | case MACH_O_UNWIND_X86_64_MODE_RBP_FRAME: | |
1687 | { | |
1688 | unsigned int regs; | |
1689 | char pfx = sz == 8 ? 'R' : 'E'; | |
1690 | ||
60cb2c8a | 1691 | regs = encoding & MACH_O_UNWIND_X86_64_RBP_FRAME_REGISTERS; |
167e1c1f TG |
1692 | printf (" %cSP frame", pfx); |
1693 | if (regs != 0) | |
1694 | { | |
1695 | unsigned int offset; | |
1696 | int i; | |
1697 | ||
1698 | offset = (encoding & MACH_O_UNWIND_X86_64_RBP_FRAME_OFFSET) >> 16; | |
1699 | printf (" at %cBP-%u:", pfx, offset * sz); | |
1700 | for (i = 0; i < 5; i++) | |
1701 | { | |
1702 | unsigned int reg = (regs >> (i * 3)) & 0x7; | |
1703 | if (reg != MACH_O_UNWIND_X86_64_REG_NONE) | |
1704 | printf (" %s", regs_name[reg]); | |
1705 | } | |
1706 | } | |
1707 | } | |
1708 | break; | |
1709 | case MACH_O_UNWIND_X86_64_MODE_STACK_IMMD: | |
1710 | case MACH_O_UNWIND_X86_64_MODE_STACK_IND: | |
1711 | { | |
1712 | unsigned int stack_size; | |
1713 | unsigned int reg_count; | |
1714 | unsigned int reg_perm; | |
1715 | unsigned int regs[6]; | |
1716 | int i, j; | |
1717 | ||
1718 | printf (" frameless"); | |
1719 | stack_size = | |
1720 | (encoding & MACH_O_UNWIND_X86_64_FRAMELESS_STACK_SIZE) >> 16; | |
1721 | reg_count = | |
1722 | (encoding & MACH_O_UNWIND_X86_64_FRAMELESS_REG_COUNT) >> 10; | |
1723 | reg_perm = encoding & MACH_O_UNWIND_X86_64_FRAMELESS_REG_PERMUTATION; | |
1724 | ||
1725 | if (mode == MACH_O_UNWIND_X86_64_MODE_STACK_IMMD) | |
1726 | printf (" size: 0x%03x", stack_size * sz); | |
1727 | else | |
1728 | { | |
1729 | unsigned int stack_adj; | |
1730 | ||
1731 | stack_adj = | |
1732 | (encoding & MACH_O_UNWIND_X86_64_FRAMELESS_STACK_ADJUST) >> 13; | |
aa9fa1e2 | 1733 | printf (" size at 0x%03x + 0x%02x", stack_size, stack_adj * sz); |
167e1c1f TG |
1734 | } |
1735 | /* Registers are coded using arithmetic compression: the register | |
1736 | is indexed in range 0-6, the second in range 0-5, the third in | |
1737 | range 0-4, etc. Already used registers are removed in next | |
1738 | ranges. */ | |
1739 | #define DO_PERM(R, NUM) R = reg_perm / NUM; reg_perm -= R * NUM | |
1740 | switch (reg_count) | |
1741 | { | |
1742 | case 6: | |
1743 | case 5: | |
1744 | DO_PERM (regs[0], 120); | |
1745 | DO_PERM (regs[1], 24); | |
1746 | DO_PERM (regs[2], 6); | |
1747 | DO_PERM (regs[3], 2); | |
1748 | DO_PERM (regs[4], 1); | |
1749 | regs[5] = 0; /* Not used if reg_count = 5. */ | |
1750 | break; | |
1751 | case 4: | |
1752 | DO_PERM (regs[0], 60); | |
1753 | DO_PERM (regs[1], 12); | |
1754 | DO_PERM (regs[2], 3); | |
1755 | DO_PERM (regs[3], 1); | |
1756 | break; | |
1757 | case 3: | |
1758 | DO_PERM (regs[0], 20); | |
1759 | DO_PERM (regs[1], 4); | |
1760 | DO_PERM (regs[2], 1); | |
1761 | break; | |
1762 | case 2: | |
1763 | DO_PERM (regs[0], 5); | |
1764 | DO_PERM (regs[1], 1); | |
1765 | break; | |
1766 | case 1: | |
1767 | DO_PERM (regs[0], 1); | |
1768 | break; | |
1769 | case 0: | |
1770 | break; | |
1771 | default: | |
1772 | printf (" [bad reg count]"); | |
1773 | return; | |
1774 | } | |
1775 | #undef DO_PERM | |
1776 | /* Renumber. */ | |
1777 | for (i = reg_count - 1; i >= 0; i--) | |
1778 | { | |
1779 | unsigned int inc = 1; | |
1780 | for (j = 0; j < i; j++) | |
1781 | if (regs[i] >= regs[j]) | |
1782 | inc++; | |
1783 | regs[i] += inc; | |
1784 | } | |
1785 | /* Display. */ | |
1786 | for (i = 0; i < (int) reg_count; i++) | |
1787 | printf (" %s", regs_name[regs[i]]); | |
1788 | } | |
1789 | break; | |
1790 | case MACH_O_UNWIND_X86_64_MODE_DWARF: | |
1791 | printf (" Dwarf offset: 0x%06x", | |
1792 | encoding & MACH_O_UNWIND_X86_64_DWARF_SECTION_OFFSET); | |
1793 | break; | |
1794 | default: | |
1795 | printf (" [unhandled mode]"); | |
1796 | break; | |
1797 | } | |
1798 | } | |
1799 | ||
b53e4c0e TG |
1800 | /* Dump arm64 compact unwind entries. */ |
1801 | ||
1802 | static void | |
1803 | dump_unwind_encoding_arm64 (unsigned int encoding) | |
1804 | { | |
1805 | switch (encoding & MACH_O_UNWIND_ARM64_MODE_MASK) | |
1806 | { | |
1807 | case MACH_O_UNWIND_ARM64_MODE_FRAMELESS: | |
1808 | printf (" frameless"); | |
1809 | break; | |
1810 | case MACH_O_UNWIND_ARM64_MODE_DWARF: | |
1811 | printf (" Dwarf offset: 0x%06x", | |
1812 | encoding & MACH_O_UNWIND_ARM64_DWARF_SECTION_OFFSET); | |
1813 | return; | |
1814 | case MACH_O_UNWIND_ARM64_MODE_FRAME: | |
1815 | printf (" frame"); | |
1816 | break; | |
1817 | default: | |
1818 | printf (" [unhandled mode]"); | |
1819 | return; | |
1820 | } | |
1821 | switch (encoding & MACH_O_UNWIND_ARM64_MODE_MASK) | |
1822 | { | |
1823 | case MACH_O_UNWIND_ARM64_MODE_FRAMELESS: | |
1824 | case MACH_O_UNWIND_ARM64_MODE_FRAME: | |
1825 | if (encoding & MACH_O_UNWIND_ARM64_FRAME_X19_X20_PAIR) | |
1826 | printf (" x19-x20"); | |
1827 | if (encoding & MACH_O_UNWIND_ARM64_FRAME_X21_X22_PAIR) | |
1828 | printf (" x21-x22"); | |
1829 | if (encoding & MACH_O_UNWIND_ARM64_FRAME_X23_X24_PAIR) | |
1830 | printf (" x23-x24"); | |
1831 | if (encoding & MACH_O_UNWIND_ARM64_FRAME_X25_X26_PAIR) | |
1832 | printf (" x25-x26"); | |
1833 | if (encoding & MACH_O_UNWIND_ARM64_FRAME_X27_X28_PAIR) | |
1834 | printf (" x27-x28"); | |
1835 | break; | |
1836 | } | |
1837 | switch (encoding & MACH_O_UNWIND_ARM64_MODE_MASK) | |
1838 | { | |
1839 | case MACH_O_UNWIND_ARM64_MODE_FRAME: | |
1840 | if (encoding & MACH_O_UNWIND_ARM64_FRAME_D8_D9_PAIR) | |
1841 | printf (" d8-d9"); | |
1842 | if (encoding & MACH_O_UNWIND_ARM64_FRAME_D10_D11_PAIR) | |
1843 | printf (" d10-d11"); | |
1844 | if (encoding & MACH_O_UNWIND_ARM64_FRAME_D12_D13_PAIR) | |
1845 | printf (" d12-d13"); | |
1846 | if (encoding & MACH_O_UNWIND_ARM64_FRAME_D14_D15_PAIR) | |
1847 | printf (" d14-d15"); | |
1848 | break; | |
1849 | case MACH_O_UNWIND_ARM64_MODE_FRAMELESS: | |
1850 | printf (" size: %u", | |
1851 | (encoding & MACH_O_UNWIND_ARM64_FRAMELESS_STACK_SIZE_MASK) >> 8); | |
1852 | break; | |
1853 | } | |
1854 | } | |
1855 | ||
167e1c1f TG |
1856 | static void |
1857 | dump_unwind_encoding (bfd_mach_o_data_struct *mdata, unsigned int encoding) | |
1858 | { | |
1859 | printf ("0x%08x", encoding); | |
1860 | if (encoding == 0) | |
1861 | return; | |
1862 | ||
1863 | switch (mdata->header.cputype) | |
1864 | { | |
1865 | case BFD_MACH_O_CPU_TYPE_X86_64: | |
1866 | dump_unwind_encoding_x86 (encoding, 8, unwind_x86_64_regs); | |
1867 | break; | |
1868 | case BFD_MACH_O_CPU_TYPE_I386: | |
1869 | dump_unwind_encoding_x86 (encoding, 4, unwind_x86_regs); | |
1870 | break; | |
b53e4c0e TG |
1871 | case BFD_MACH_O_CPU_TYPE_ARM64: |
1872 | dump_unwind_encoding_arm64 (encoding); | |
1873 | break; | |
167e1c1f TG |
1874 | default: |
1875 | printf (" [unhandled cpu]"); | |
1876 | break; | |
1877 | } | |
1878 | if (encoding & MACH_O_UNWIND_HAS_LSDA) | |
1879 | printf (" LSDA"); | |
1880 | if (encoding & MACH_O_UNWIND_PERSONALITY_MASK) | |
1881 | printf (" PERS(%u)", | |
1882 | ((encoding & MACH_O_UNWIND_PERSONALITY_MASK) | |
1883 | >> MACH_O_UNWIND_PERSONALITY_SHIFT)); | |
1884 | } | |
1885 | ||
1886 | static void | |
1887 | dump_obj_compact_unwind (bfd *abfd, | |
1888 | const unsigned char *content, bfd_size_type size) | |
1889 | { | |
1890 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
1891 | int is_64 = mdata->header.version == 2; | |
1892 | const unsigned char *p; | |
1893 | ||
3cc27770 | 1894 | printf ("Compact unwind info:\n"); |
167e1c1f TG |
1895 | printf (" start length personality lsda\n"); |
1896 | ||
1897 | if (is_64) | |
1898 | { | |
1899 | struct mach_o_compact_unwind_64 *e = | |
1900 | (struct mach_o_compact_unwind_64 *) content; | |
1901 | ||
1902 | for (p = content; p < content + size; p += sizeof (*e)) | |
1903 | { | |
1904 | e = (struct mach_o_compact_unwind_64 *) p; | |
1905 | ||
1906 | putchar (' '); | |
965b60c9 | 1907 | printf_uint64 (bfd_get_64 (abfd, e->start)); |
167e1c1f TG |
1908 | printf (" %08lx", bfd_get_32 (abfd, e->length)); |
1909 | putchar (' '); | |
965b60c9 | 1910 | printf_uint64 (bfd_get_64 (abfd, e->personality)); |
167e1c1f | 1911 | putchar (' '); |
965b60c9 | 1912 | printf_uint64 (bfd_get_64 (abfd, e->lsda)); |
167e1c1f TG |
1913 | putchar ('\n'); |
1914 | ||
1915 | printf (" encoding: "); | |
1916 | dump_unwind_encoding (mdata, bfd_get_32 (abfd, e->encoding)); | |
1917 | putchar ('\n'); | |
1918 | } | |
1919 | } | |
1920 | else | |
1921 | { | |
1922 | printf ("unhandled\n"); | |
1923 | } | |
1924 | } | |
1925 | ||
1926 | static void | |
1927 | dump_exe_compact_unwind (bfd *abfd, | |
1928 | const unsigned char *content, bfd_size_type size) | |
1929 | { | |
1930 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
1931 | struct mach_o_unwind_info_header *hdr; | |
1932 | unsigned int version; | |
1933 | unsigned int encodings_offset; | |
1934 | unsigned int encodings_count; | |
1935 | unsigned int personality_offset; | |
1936 | unsigned int personality_count; | |
1937 | unsigned int index_offset; | |
1938 | unsigned int index_count; | |
1939 | struct mach_o_unwind_index_entry *index_entry; | |
1940 | unsigned int i; | |
1941 | ||
1942 | /* The header. */ | |
3cc27770 | 1943 | printf ("Compact unwind info:\n"); |
167e1c1f TG |
1944 | |
1945 | hdr = (struct mach_o_unwind_info_header *) content; | |
1946 | if (size < sizeof (*hdr)) | |
1947 | { | |
1948 | printf (" truncated!\n"); | |
1949 | return; | |
1950 | } | |
1951 | ||
1952 | version = bfd_get_32 (abfd, hdr->version); | |
1953 | if (version != MACH_O_UNWIND_SECTION_VERSION) | |
1954 | { | |
1955 | printf (" unknown version: %u\n", version); | |
1956 | return; | |
1957 | } | |
1958 | encodings_offset = bfd_get_32 (abfd, hdr->encodings_array_offset); | |
1959 | encodings_count = bfd_get_32 (abfd, hdr->encodings_array_count); | |
1960 | personality_offset = bfd_get_32 (abfd, hdr->personality_array_offset); | |
1961 | personality_count = bfd_get_32 (abfd, hdr->personality_array_count); | |
1962 | index_offset = bfd_get_32 (abfd, hdr->index_offset); | |
1963 | index_count = bfd_get_32 (abfd, hdr->index_count); | |
1964 | printf (" %u encodings, %u personalities, %u level-1 indexes:\n", | |
1965 | encodings_count, personality_count, index_count); | |
1966 | ||
965b60c9 TG |
1967 | /* Personality. */ |
1968 | if (personality_count > 0) | |
1969 | { | |
1970 | const unsigned char *pers = content + personality_offset; | |
1971 | ||
1972 | printf (" personalities\n"); | |
1973 | for (i = 0; i < personality_count; i++) | |
1974 | printf (" %u: 0x%08x\n", i, | |
1975 | (unsigned) bfd_get_32 (abfd, pers + 4 * i)); | |
1976 | } | |
1977 | ||
167e1c1f TG |
1978 | /* Level-1 index. */ |
1979 | printf (" idx function level2 off lsda off\n"); | |
1980 | ||
1981 | index_entry = (struct mach_o_unwind_index_entry *) (content + index_offset); | |
1982 | for (i = 0; i < index_count; i++) | |
1983 | { | |
1984 | unsigned int func_offset; | |
1985 | unsigned int level2_offset; | |
1986 | unsigned int lsda_offset; | |
1987 | ||
1988 | func_offset = bfd_get_32 (abfd, index_entry->function_offset); | |
1989 | level2_offset = bfd_get_32 (abfd, index_entry->second_level_offset); | |
1990 | lsda_offset = bfd_get_32 (abfd, index_entry->lsda_index_offset); | |
1991 | printf (" %3u 0x%08x 0x%08x 0x%08x\n", | |
1992 | i, func_offset, level2_offset, lsda_offset); | |
1993 | index_entry++; | |
1994 | } | |
1995 | ||
1996 | /* Level-1 index. */ | |
1997 | index_entry = (struct mach_o_unwind_index_entry *) (content + index_offset); | |
1998 | for (i = 0; i < index_count; i++) | |
1999 | { | |
2000 | unsigned int func_offset; | |
2001 | unsigned int level2_offset; | |
2002 | const unsigned char *level2; | |
2003 | unsigned int kind; | |
2004 | ||
167e1c1f TG |
2005 | func_offset = bfd_get_32 (abfd, index_entry->function_offset); |
2006 | level2_offset = bfd_get_32 (abfd, index_entry->second_level_offset); | |
2007 | ||
aa9fa1e2 TG |
2008 | /* No level-2 for this index (should be the last index). */ |
2009 | if (level2_offset == 0) | |
2010 | continue; | |
2011 | ||
167e1c1f TG |
2012 | level2 = content + level2_offset; |
2013 | kind = bfd_get_32 (abfd, level2); | |
2014 | switch (kind) | |
2015 | { | |
2016 | case MACH_O_UNWIND_SECOND_LEVEL_COMPRESSED: | |
2017 | { | |
2018 | struct mach_o_unwind_compressed_second_level_page_header *l2; | |
2019 | unsigned int entry_offset; | |
2020 | unsigned int entry_count; | |
2021 | unsigned int l2_encodings_offset; | |
2022 | unsigned int l2_encodings_count; | |
2023 | const unsigned char *en; | |
2024 | unsigned int j; | |
2025 | ||
2026 | l2 = (struct mach_o_unwind_compressed_second_level_page_header *) | |
2027 | level2; | |
2028 | entry_offset = bfd_get_16 (abfd, l2->entry_page_offset); | |
2029 | entry_count = bfd_get_16 (abfd, l2->entry_count); | |
2030 | l2_encodings_offset = bfd_get_16 (abfd, l2->encodings_offset); | |
2031 | l2_encodings_count = bfd_get_16 (abfd, l2->encodings_count); | |
2032 | ||
2033 | printf (" index %2u: compressed second level: " | |
2034 | "%u entries, %u encodings (at 0x%08x)\n", | |
2035 | i, entry_count, l2_encodings_count, l2_encodings_offset); | |
2036 | printf (" # function eidx encoding\n"); | |
2037 | ||
2038 | en = level2 + entry_offset; | |
2039 | for (j = 0; j < entry_count; j++) | |
2040 | { | |
2041 | unsigned int entry; | |
2042 | unsigned int en_func; | |
2043 | unsigned int enc_idx; | |
2044 | unsigned int encoding; | |
2045 | const unsigned char *enc_addr; | |
2046 | ||
2047 | entry = bfd_get_32 (abfd, en); | |
2048 | en_func = | |
2049 | MACH_O_UNWIND_INFO_COMPRESSED_ENTRY_FUNC_OFFSET (entry); | |
2050 | enc_idx = | |
2051 | MACH_O_UNWIND_INFO_COMPRESSED_ENTRY_ENCODING_INDEX (entry); | |
2052 | if (enc_idx < encodings_count) | |
2053 | enc_addr = content + encodings_offset | |
2054 | + 4 * enc_idx; | |
2055 | else | |
2056 | enc_addr = level2 + l2_encodings_offset | |
2057 | + 4 * (enc_idx - encodings_count); | |
2058 | encoding = bfd_get_32 (abfd, enc_addr); | |
2059 | ||
965b60c9 | 2060 | printf (" %4u 0x%08x [%3u] ", j, |
167e1c1f TG |
2061 | func_offset + en_func, enc_idx); |
2062 | dump_unwind_encoding (mdata, encoding); | |
2063 | putchar ('\n'); | |
2064 | ||
2065 | en += 4; | |
2066 | } | |
2067 | } | |
2068 | break; | |
2069 | ||
2070 | case MACH_O_UNWIND_SECOND_LEVEL_REGULAR: | |
2071 | { | |
2072 | struct mach_o_unwind_regular_second_level_page_header *l2; | |
2073 | struct mach_o_unwind_regular_second_level_entry *en; | |
2074 | unsigned int entry_offset; | |
2075 | unsigned int entry_count; | |
2076 | unsigned int j; | |
2077 | ||
2078 | l2 = (struct mach_o_unwind_regular_second_level_page_header *) | |
2079 | level2; | |
2080 | ||
2081 | entry_offset = bfd_get_16 (abfd, l2->entry_page_offset); | |
2082 | entry_count = bfd_get_16 (abfd, l2->entry_count); | |
2083 | printf (" index %2u: regular level 2 at 0x%04x, %u entries\n", | |
2084 | i, entry_offset, entry_count); | |
2085 | printf (" # function encoding\n"); | |
2086 | ||
2087 | en = (struct mach_o_unwind_regular_second_level_entry *) | |
2088 | (level2 + entry_offset); | |
2089 | for (j = 0; j < entry_count; j++) | |
2090 | { | |
2091 | unsigned int en_func; | |
2092 | unsigned int encoding; | |
2093 | ||
2094 | en_func = bfd_get_32 (abfd, en->function_offset); | |
2095 | encoding = bfd_get_32 (abfd, en->encoding); | |
2096 | printf (" %-4u 0x%08x ", j, en_func); | |
2097 | dump_unwind_encoding (mdata, encoding); | |
2098 | putchar ('\n'); | |
2099 | en++; | |
2100 | } | |
2101 | } | |
2102 | break; | |
2103 | ||
2104 | default: | |
2105 | printf (" index %2u: unhandled second level format (%u)\n", | |
2106 | i, kind); | |
2107 | break; | |
2108 | } | |
2109 | ||
2110 | { | |
2111 | struct mach_o_unwind_lsda_index_entry *lsda; | |
2112 | unsigned int lsda_offset; | |
2113 | unsigned int next_lsda_offset; | |
2114 | unsigned int nbr_lsda; | |
2115 | unsigned int j; | |
2116 | ||
2117 | lsda_offset = bfd_get_32 (abfd, index_entry->lsda_index_offset); | |
2118 | next_lsda_offset = bfd_get_32 (abfd, index_entry[1].lsda_index_offset); | |
2119 | lsda = (struct mach_o_unwind_lsda_index_entry *) | |
2120 | (content + lsda_offset); | |
2121 | nbr_lsda = (next_lsda_offset - lsda_offset) / sizeof (*lsda); | |
2122 | for (j = 0; j < nbr_lsda; j++) | |
2123 | { | |
aa9fa1e2 | 2124 | printf (" lsda %3u: function 0x%08x lsda 0x%08x\n", |
167e1c1f TG |
2125 | j, (unsigned int) bfd_get_32 (abfd, lsda->function_offset), |
2126 | (unsigned int) bfd_get_32 (abfd, lsda->lsda_offset)); | |
2127 | lsda++; | |
2128 | } | |
2129 | } | |
2130 | index_entry++; | |
2131 | } | |
2132 | } | |
2133 | ||
2134 | static void | |
2135 | dump_section_content (bfd *abfd, | |
2136 | const char *segname, const char *sectname, | |
2137 | void (*dump)(bfd*, const unsigned char*, bfd_size_type)) | |
2138 | { | |
2139 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
c9ffd2ea | 2140 | bfd_mach_o_load_command *cmd; |
167e1c1f | 2141 | |
c9ffd2ea | 2142 | for (cmd = mdata->first_command; cmd != NULL; cmd = cmd->next) |
167e1c1f | 2143 | { |
167e1c1f TG |
2144 | if (cmd->type == BFD_MACH_O_LC_SEGMENT |
2145 | || cmd->type == BFD_MACH_O_LC_SEGMENT_64) | |
2146 | { | |
2147 | bfd_mach_o_segment_command *seg = &cmd->command.segment; | |
2148 | bfd_mach_o_section *sec; | |
2149 | for (sec = seg->sect_head; sec != NULL; sec = sec->next) | |
2150 | if (strcmp (sec->segname, segname) == 0 | |
2151 | && strcmp (sec->sectname, sectname) == 0) | |
2152 | { | |
2153 | bfd_size_type size; | |
2154 | asection *bfdsec = sec->bfdsection; | |
2155 | unsigned char *content; | |
2156 | ||
2157 | size = bfd_get_section_size (bfdsec); | |
2158 | content = (unsigned char *) xmalloc (size); | |
2159 | bfd_get_section_contents (abfd, bfdsec, content, 0, size); | |
2160 | ||
2161 | (*dump)(abfd, content, size); | |
2162 | ||
2163 | free (content); | |
2164 | } | |
2165 | } | |
2166 | } | |
2167 | } | |
2168 | ||
12fa714f TG |
2169 | /* Dump ABFD (according to the options[] array). */ |
2170 | ||
2171 | static void | |
2172 | mach_o_dump (bfd *abfd) | |
2173 | { | |
2174 | if (options[OPT_HEADER].selected) | |
2175 | dump_header (abfd); | |
2176 | if (options[OPT_SECTION].selected) | |
2177 | dump_load_commands (abfd, BFD_MACH_O_LC_SEGMENT, BFD_MACH_O_LC_SEGMENT_64); | |
2178 | if (options[OPT_MAP].selected) | |
2179 | dump_section_map (abfd); | |
2180 | if (options[OPT_LOAD].selected) | |
2181 | dump_load_commands (abfd, 0, 0); | |
2182 | if (options[OPT_DYSYMTAB].selected) | |
2183 | dump_load_commands (abfd, BFD_MACH_O_LC_DYSYMTAB, 0); | |
2634e8c8 TG |
2184 | if (options[OPT_CODESIGN].selected) |
2185 | dump_load_commands (abfd, BFD_MACH_O_LC_CODE_SIGNATURE, 0); | |
2128eb39 TG |
2186 | if (options[OPT_SEG_SPLIT_INFO].selected) |
2187 | dump_load_commands (abfd, BFD_MACH_O_LC_SEGMENT_SPLIT_INFO, 0); | |
3cc27770 TG |
2188 | if (options[OPT_FUNCTION_STARTS].selected) |
2189 | dump_load_commands (abfd, BFD_MACH_O_LC_FUNCTION_STARTS, 0); | |
c275b681 TG |
2190 | if (options[OPT_DATA_IN_CODE].selected) |
2191 | dump_load_commands (abfd, BFD_MACH_O_LC_DATA_IN_CODE, 0); | |
7a79c514 TG |
2192 | if (options[OPT_TWOLEVEL_HINTS].selected) |
2193 | dump_load_commands (abfd, BFD_MACH_O_LC_TWOLEVEL_HINTS, 0); | |
167e1c1f TG |
2194 | if (options[OPT_COMPACT_UNWIND].selected) |
2195 | { | |
2196 | dump_section_content (abfd, "__LD", "__compact_unwind", | |
2197 | dump_obj_compact_unwind); | |
2198 | dump_section_content (abfd, "__TEXT", "__unwind_info", | |
2199 | dump_exe_compact_unwind); | |
2200 | } | |
e89d3dee TG |
2201 | if (options[OPT_DYLD_INFO].selected) |
2202 | dump_load_commands (abfd, BFD_MACH_O_LC_DYLD_INFO, 0); | |
12fa714f TG |
2203 | } |
2204 | ||
2205 | /* Vector for Mach-O. */ | |
2206 | ||
2207 | const struct objdump_private_desc objdump_private_desc_mach_o = | |
2208 | { | |
2209 | mach_o_help, | |
2210 | mach_o_filter, | |
2211 | mach_o_dump, | |
2212 | options | |
2213 | }; |