Commit | Line | Data |
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3af9a47b | 1 | /* Mach-O support for BFD. |
4f608e79 | 2 | Copyright 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, |
4a97a0e5 | 3 | 2009, 2010, 2011 |
3af9a47b NC |
4 | Free Software Foundation, Inc. |
5 | ||
6 | This file is part of BFD, the Binary File Descriptor library. | |
7 | ||
8 | This program is free software; you can redistribute it and/or modify | |
9 | it under the terms of the GNU General Public License as published by | |
cd123cb7 | 10 | the Free Software Foundation; either version 3 of the License, or |
3af9a47b NC |
11 | (at your option) any later version. |
12 | ||
13 | This program is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
a95a4550 | 19 | along with this program; if not, write to the Free Software |
cd123cb7 NC |
20 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
21 | MA 02110-1301, USA. */ | |
3af9a47b | 22 | |
3db64b00 | 23 | #include "sysdep.h" |
3af9a47b NC |
24 | #include "mach-o.h" |
25 | #include "bfd.h" | |
3af9a47b NC |
26 | #include "libbfd.h" |
27 | #include "libiberty.h" | |
15e1c58a | 28 | #include "aout/stab_gnu.h" |
46d1c23b TG |
29 | #include "mach-o/reloc.h" |
30 | #include "mach-o/external.h" | |
3af9a47b NC |
31 | #include <ctype.h> |
32 | ||
154a1ee5 TG |
33 | #define bfd_mach_o_object_p bfd_mach_o_gen_object_p |
34 | #define bfd_mach_o_core_p bfd_mach_o_gen_core_p | |
42fa0891 | 35 | #define bfd_mach_o_mkobject bfd_mach_o_gen_mkobject |
116c20d2 | 36 | |
92bc0e80 TG |
37 | #define FILE_ALIGN(off, algn) \ |
38 | (((off) + ((file_ptr) 1 << (algn)) - 1) & ((file_ptr) -1 << (algn))) | |
39 | ||
ab273af8 | 40 | static int bfd_mach_o_read_symtab_symbols (bfd *); |
046b007d | 41 | |
c2f09c75 | 42 | unsigned int |
1e8a024a TG |
43 | bfd_mach_o_version (bfd *abfd) |
44 | { | |
45 | bfd_mach_o_data_struct *mdata = NULL; | |
46 | ||
47 | BFD_ASSERT (bfd_mach_o_valid (abfd)); | |
046b007d | 48 | mdata = bfd_mach_o_get_data (abfd); |
1e8a024a TG |
49 | |
50 | return mdata->header.version; | |
51 | } | |
52 | ||
b34976b6 | 53 | bfd_boolean |
116c20d2 | 54 | bfd_mach_o_valid (bfd *abfd) |
3af9a47b NC |
55 | { |
56 | if (abfd == NULL || abfd->xvec == NULL) | |
154a1ee5 | 57 | return FALSE; |
3af9a47b | 58 | |
154a1ee5 TG |
59 | if (abfd->xvec->flavour != bfd_target_mach_o_flavour) |
60 | return FALSE; | |
3af9a47b | 61 | |
046b007d | 62 | if (bfd_mach_o_get_data (abfd) == NULL) |
154a1ee5 TG |
63 | return FALSE; |
64 | return TRUE; | |
65 | } | |
66 | ||
c2f09c75 TG |
67 | static INLINE bfd_boolean |
68 | mach_o_wide_p (bfd_mach_o_header *header) | |
69 | { | |
70 | switch (header->version) | |
71 | { | |
72 | case 1: | |
73 | return FALSE; | |
74 | case 2: | |
75 | return TRUE; | |
76 | default: | |
77 | BFD_FAIL (); | |
78 | return FALSE; | |
79 | } | |
80 | } | |
81 | ||
82 | static INLINE bfd_boolean | |
83 | bfd_mach_o_wide_p (bfd *abfd) | |
84 | { | |
046b007d | 85 | return mach_o_wide_p (&bfd_mach_o_get_data (abfd)->header); |
c2f09c75 TG |
86 | } |
87 | ||
154a1ee5 TG |
88 | /* Tables to translate well known Mach-O segment/section names to bfd |
89 | names. Use of canonical names (such as .text or .debug_frame) is required | |
90 | by gdb. */ | |
91 | ||
92 | struct mach_o_section_name_xlat | |
93 | { | |
94 | const char *bfd_name; | |
95 | const char *mach_o_name; | |
8462aec7 | 96 | flagword flags; |
154a1ee5 TG |
97 | }; |
98 | ||
99 | static const struct mach_o_section_name_xlat dwarf_section_names_xlat[] = | |
100 | { | |
8462aec7 TG |
101 | { ".debug_frame", "__debug_frame", SEC_DEBUGGING }, |
102 | { ".debug_info", "__debug_info", SEC_DEBUGGING }, | |
103 | { ".debug_abbrev", "__debug_abbrev", SEC_DEBUGGING }, | |
104 | { ".debug_aranges", "__debug_aranges", SEC_DEBUGGING }, | |
105 | { ".debug_macinfo", "__debug_macinfo", SEC_DEBUGGING }, | |
106 | { ".debug_line", "__debug_line", SEC_DEBUGGING }, | |
107 | { ".debug_loc", "__debug_loc", SEC_DEBUGGING }, | |
108 | { ".debug_pubnames", "__debug_pubnames", SEC_DEBUGGING }, | |
109 | { ".debug_pubtypes", "__debug_pubtypes", SEC_DEBUGGING }, | |
110 | { ".debug_str", "__debug_str", SEC_DEBUGGING }, | |
111 | { ".debug_ranges", "__debug_ranges", SEC_DEBUGGING }, | |
112 | { NULL, NULL, 0} | |
154a1ee5 TG |
113 | }; |
114 | ||
115 | static const struct mach_o_section_name_xlat text_section_names_xlat[] = | |
116 | { | |
8462aec7 TG |
117 | { ".text", "__text", SEC_CODE | SEC_LOAD }, |
118 | { ".const", "__const", SEC_READONLY | SEC_DATA | SEC_LOAD }, | |
119 | { ".cstring", "__cstring", SEC_READONLY | SEC_DATA | SEC_LOAD }, | |
120 | { ".eh_frame", "__eh_frame", SEC_READONLY | SEC_LOAD }, | |
121 | { NULL, NULL, 0} | |
154a1ee5 TG |
122 | }; |
123 | ||
124 | static const struct mach_o_section_name_xlat data_section_names_xlat[] = | |
125 | { | |
8462aec7 TG |
126 | { ".data", "__data", SEC_DATA | SEC_LOAD }, |
127 | { ".const_data", "__const", SEC_DATA | SEC_LOAD }, | |
128 | { ".dyld", "__dyld", SEC_DATA | SEC_LOAD }, | |
129 | { ".lazy_symbol_ptr", "__la_symbol_ptr", SEC_DATA | SEC_LOAD }, | |
130 | { ".non_lazy_symbol_ptr", "__nl_symbol_ptr", SEC_DATA | SEC_LOAD }, | |
131 | { ".bss", "__bss", SEC_NO_FLAGS }, | |
132 | { NULL, NULL, 0} | |
154a1ee5 TG |
133 | }; |
134 | ||
135 | struct mach_o_segment_name_xlat | |
136 | { | |
5a5cbf72 | 137 | /* Segment name. */ |
154a1ee5 | 138 | const char *segname; |
5a5cbf72 TG |
139 | |
140 | /* List of known sections for the segment. */ | |
154a1ee5 TG |
141 | const struct mach_o_section_name_xlat *sections; |
142 | }; | |
143 | ||
5a5cbf72 TG |
144 | /* List of known segment names. */ |
145 | ||
c2f09c75 | 146 | static const struct mach_o_segment_name_xlat segsec_names_xlat[] = |
154a1ee5 | 147 | { |
154a1ee5 TG |
148 | { "__TEXT", text_section_names_xlat }, |
149 | { "__DATA", data_section_names_xlat }, | |
5a5cbf72 | 150 | { "__DWARF", dwarf_section_names_xlat }, |
154a1ee5 TG |
151 | { NULL, NULL } |
152 | }; | |
153 | ||
154a1ee5 TG |
154 | /* Mach-O to bfd names. */ |
155 | ||
53d58d96 TG |
156 | void |
157 | bfd_mach_o_normalize_section_name (const char *segname, const char *sectname, | |
158 | const char **name, flagword *flags) | |
154a1ee5 TG |
159 | { |
160 | const struct mach_o_segment_name_xlat *seg; | |
154a1ee5 | 161 | |
8462aec7 TG |
162 | *name = NULL; |
163 | *flags = SEC_NO_FLAGS; | |
164 | ||
154a1ee5 TG |
165 | for (seg = segsec_names_xlat; seg->segname; seg++) |
166 | { | |
f1bde64c | 167 | if (strncmp (seg->segname, segname, BFD_MACH_O_SEGNAME_SIZE) == 0) |
154a1ee5 TG |
168 | { |
169 | const struct mach_o_section_name_xlat *sec; | |
170 | ||
171 | for (sec = seg->sections; sec->mach_o_name; sec++) | |
172 | { | |
f1bde64c TG |
173 | if (strncmp (sec->mach_o_name, sectname, |
174 | BFD_MACH_O_SECTNAME_SIZE) == 0) | |
154a1ee5 | 175 | { |
53d58d96 | 176 | *name = sec->bfd_name; |
8462aec7 TG |
177 | *flags = sec->flags; |
178 | return; | |
154a1ee5 TG |
179 | } |
180 | } | |
53d58d96 | 181 | return; |
154a1ee5 TG |
182 | } |
183 | } | |
53d58d96 TG |
184 | } |
185 | ||
7ba695a9 TG |
186 | /* Convert Mach-O section name to BFD. Try to use standard names, otherwise |
187 | forge a new name. SEGNAME and SECTNAME are 16 bytes strings. */ | |
188 | ||
53d58d96 | 189 | static void |
f1bde64c TG |
190 | bfd_mach_o_convert_section_name_to_bfd |
191 | (bfd *abfd, const char *segname, const char *sectname, | |
192 | const char **name, flagword *flags) | |
53d58d96 TG |
193 | { |
194 | char *res; | |
195 | unsigned int len; | |
196 | const char *pfx = ""; | |
197 | ||
198 | /* First search for a canonical name. */ | |
f1bde64c | 199 | bfd_mach_o_normalize_section_name (segname, sectname, name, flags); |
53d58d96 TG |
200 | |
201 | /* Return now if found. */ | |
202 | if (*name) | |
203 | return; | |
154a1ee5 | 204 | |
7ba695a9 | 205 | len = 16 + 1 + 16 + 1; |
154a1ee5 | 206 | |
c2f09c75 TG |
207 | /* Put "LC_SEGMENT." prefix if the segment name is weird (ie doesn't start |
208 | with an underscore. */ | |
f1bde64c | 209 | if (segname[0] != '_') |
c2f09c75 TG |
210 | { |
211 | static const char seg_pfx[] = "LC_SEGMENT."; | |
212 | ||
213 | pfx = seg_pfx; | |
214 | len += sizeof (seg_pfx) - 1; | |
215 | } | |
216 | ||
154a1ee5 TG |
217 | res = bfd_alloc (abfd, len); |
218 | if (res == NULL) | |
8462aec7 | 219 | return; |
7ba695a9 | 220 | snprintf (res, len, "%s%.16s.%.16s", pfx, segname, sectname); |
8462aec7 | 221 | *name = res; |
53d58d96 | 222 | *flags = SEC_NO_FLAGS; |
154a1ee5 TG |
223 | } |
224 | ||
c2f09c75 | 225 | /* Convert a bfd section name to a Mach-O segment + section name. */ |
154a1ee5 TG |
226 | |
227 | static void | |
228 | bfd_mach_o_convert_section_name_to_mach_o (bfd *abfd ATTRIBUTE_UNUSED, | |
229 | asection *sect, | |
230 | bfd_mach_o_section *section) | |
231 | { | |
232 | const struct mach_o_segment_name_xlat *seg; | |
233 | const char *name = bfd_get_section_name (abfd, sect); | |
234 | const char *dot; | |
235 | unsigned int len; | |
236 | unsigned int seglen; | |
237 | unsigned int seclen; | |
238 | ||
c2f09c75 TG |
239 | /* List of well known names. They all start with a dot. */ |
240 | if (name[0] == '.') | |
241 | for (seg = segsec_names_xlat; seg->segname; seg++) | |
242 | { | |
243 | const struct mach_o_section_name_xlat *sec; | |
244 | ||
245 | for (sec = seg->sections; sec->mach_o_name; sec++) | |
246 | { | |
247 | if (strcmp (sec->bfd_name, name) == 0) | |
248 | { | |
249 | strcpy (section->segname, seg->segname); | |
250 | strcpy (section->sectname, sec->mach_o_name); | |
251 | return; | |
252 | } | |
253 | } | |
254 | } | |
154a1ee5 TG |
255 | |
256 | /* Strip LC_SEGMENT. prefix. */ | |
257 | if (strncmp (name, "LC_SEGMENT.", 11) == 0) | |
258 | name += 11; | |
259 | ||
260 | /* Find a dot. */ | |
261 | dot = strchr (name, '.'); | |
262 | len = strlen (name); | |
263 | ||
264 | /* Try to split name into segment and section names. */ | |
265 | if (dot && dot != name) | |
266 | { | |
267 | seglen = dot - name; | |
268 | seclen = len - (dot + 1 - name); | |
269 | ||
270 | if (seglen < 16 && seclen < 16) | |
271 | { | |
272 | memcpy (section->segname, name, seglen); | |
273 | section->segname[seglen] = 0; | |
274 | memcpy (section->sectname, dot + 1, seclen); | |
275 | section->sectname[seclen] = 0; | |
276 | return; | |
277 | } | |
278 | } | |
279 | ||
280 | if (len > 16) | |
281 | len = 16; | |
282 | memcpy (section->segname, name, len); | |
283 | section->segname[len] = 0; | |
284 | memcpy (section->sectname, name, len); | |
285 | section->sectname[len] = 0; | |
3af9a47b NC |
286 | } |
287 | ||
b2b62060 TG |
288 | /* Return the size of an entry for section SEC. |
289 | Must be called only for symbol pointer section and symbol stubs | |
290 | sections. */ | |
291 | ||
292 | static unsigned int | |
293 | bfd_mach_o_section_get_entry_size (bfd *abfd, bfd_mach_o_section *sec) | |
294 | { | |
295 | switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK) | |
296 | { | |
297 | case BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS: | |
298 | case BFD_MACH_O_S_LAZY_SYMBOL_POINTERS: | |
299 | return bfd_mach_o_wide_p (abfd) ? 8 : 4; | |
300 | case BFD_MACH_O_S_SYMBOL_STUBS: | |
301 | return sec->reserved2; | |
302 | default: | |
303 | BFD_FAIL (); | |
304 | return 0; | |
305 | } | |
306 | } | |
307 | ||
308 | /* Return the number of indirect symbols for a section. | |
309 | Must be called only for symbol pointer section and symbol stubs | |
310 | sections. */ | |
311 | ||
312 | static unsigned int | |
313 | bfd_mach_o_section_get_nbr_indirect (bfd *abfd, bfd_mach_o_section *sec) | |
314 | { | |
315 | unsigned int elsz; | |
316 | ||
317 | elsz = bfd_mach_o_section_get_entry_size (abfd, sec); | |
318 | if (elsz == 0) | |
319 | return 0; | |
320 | else | |
321 | return sec->size / elsz; | |
322 | } | |
323 | ||
324 | ||
3af9a47b NC |
325 | /* Copy any private info we understand from the input symbol |
326 | to the output symbol. */ | |
327 | ||
154a1ee5 | 328 | bfd_boolean |
116c20d2 NC |
329 | bfd_mach_o_bfd_copy_private_symbol_data (bfd *ibfd ATTRIBUTE_UNUSED, |
330 | asymbol *isymbol ATTRIBUTE_UNUSED, | |
331 | bfd *obfd ATTRIBUTE_UNUSED, | |
332 | asymbol *osymbol ATTRIBUTE_UNUSED) | |
3af9a47b | 333 | { |
b34976b6 | 334 | return TRUE; |
3af9a47b NC |
335 | } |
336 | ||
337 | /* Copy any private info we understand from the input section | |
338 | to the output section. */ | |
339 | ||
154a1ee5 | 340 | bfd_boolean |
116c20d2 NC |
341 | bfd_mach_o_bfd_copy_private_section_data (bfd *ibfd ATTRIBUTE_UNUSED, |
342 | asection *isection ATTRIBUTE_UNUSED, | |
343 | bfd *obfd ATTRIBUTE_UNUSED, | |
344 | asection *osection ATTRIBUTE_UNUSED) | |
3af9a47b | 345 | { |
b34976b6 | 346 | return TRUE; |
3af9a47b NC |
347 | } |
348 | ||
349 | /* Copy any private info we understand from the input bfd | |
350 | to the output bfd. */ | |
351 | ||
154a1ee5 | 352 | bfd_boolean |
116c20d2 | 353 | bfd_mach_o_bfd_copy_private_bfd_data (bfd *ibfd, bfd *obfd) |
3af9a47b | 354 | { |
154a1ee5 TG |
355 | if (bfd_get_flavour (ibfd) != bfd_target_mach_o_flavour |
356 | || bfd_get_flavour (obfd) != bfd_target_mach_o_flavour) | |
357 | return TRUE; | |
358 | ||
3af9a47b NC |
359 | BFD_ASSERT (bfd_mach_o_valid (ibfd)); |
360 | BFD_ASSERT (bfd_mach_o_valid (obfd)); | |
361 | ||
154a1ee5 TG |
362 | /* FIXME: copy commands. */ |
363 | ||
b34976b6 | 364 | return TRUE; |
3af9a47b NC |
365 | } |
366 | ||
046b007d | 367 | /* Count the total number of symbols. */ |
154a1ee5 | 368 | |
3af9a47b | 369 | static long |
116c20d2 | 370 | bfd_mach_o_count_symbols (bfd *abfd) |
3af9a47b | 371 | { |
046b007d | 372 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
3af9a47b | 373 | |
046b007d TG |
374 | if (mdata->symtab == NULL) |
375 | return 0; | |
376 | return mdata->symtab->nsyms; | |
3af9a47b NC |
377 | } |
378 | ||
154a1ee5 | 379 | long |
116c20d2 | 380 | bfd_mach_o_get_symtab_upper_bound (bfd *abfd) |
3af9a47b NC |
381 | { |
382 | long nsyms = bfd_mach_o_count_symbols (abfd); | |
383 | ||
3af9a47b NC |
384 | return ((nsyms + 1) * sizeof (asymbol *)); |
385 | } | |
386 | ||
154a1ee5 | 387 | long |
116c20d2 | 388 | bfd_mach_o_canonicalize_symtab (bfd *abfd, asymbol **alocation) |
3af9a47b | 389 | { |
046b007d | 390 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
3af9a47b | 391 | long nsyms = bfd_mach_o_count_symbols (abfd); |
046b007d TG |
392 | bfd_mach_o_symtab_command *sym = mdata->symtab; |
393 | unsigned long j; | |
3af9a47b NC |
394 | |
395 | if (nsyms < 0) | |
396 | return nsyms; | |
397 | ||
092d27ff TG |
398 | if (nsyms == 0) |
399 | { | |
400 | /* Do not try to read symbols if there are none. */ | |
401 | alocation[0] = NULL; | |
402 | return 0; | |
403 | } | |
404 | ||
ab273af8 | 405 | if (bfd_mach_o_read_symtab_symbols (abfd) != 0) |
3af9a47b | 406 | { |
4a97a0e5 | 407 | (*_bfd_error_handler) (_("bfd_mach_o_canonicalize_symtab: unable to load symbols")); |
046b007d TG |
408 | return 0; |
409 | } | |
3af9a47b | 410 | |
046b007d | 411 | BFD_ASSERT (sym->symbols != NULL); |
3af9a47b | 412 | |
046b007d TG |
413 | for (j = 0; j < sym->nsyms; j++) |
414 | alocation[j] = &sym->symbols[j].symbol; | |
3af9a47b | 415 | |
046b007d | 416 | alocation[j] = NULL; |
a95a4550 | 417 | |
3af9a47b NC |
418 | return nsyms; |
419 | } | |
420 | ||
b2b62060 TG |
421 | long |
422 | bfd_mach_o_get_synthetic_symtab (bfd *abfd, | |
423 | long symcount ATTRIBUTE_UNUSED, | |
424 | asymbol **syms ATTRIBUTE_UNUSED, | |
425 | long dynsymcount ATTRIBUTE_UNUSED, | |
426 | asymbol **dynsyms ATTRIBUTE_UNUSED, | |
427 | asymbol **ret) | |
428 | { | |
429 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
430 | bfd_mach_o_dysymtab_command *dysymtab = mdata->dysymtab; | |
431 | bfd_mach_o_symtab_command *symtab = mdata->symtab; | |
432 | asymbol *s; | |
433 | unsigned long count, i, j, n; | |
434 | size_t size; | |
435 | char *names; | |
436 | char *nul_name; | |
437 | ||
438 | *ret = NULL; | |
439 | ||
440 | if (dysymtab == NULL || symtab == NULL || symtab->symbols == NULL) | |
441 | return 0; | |
442 | ||
443 | if (dysymtab->nindirectsyms == 0) | |
444 | return 0; | |
445 | ||
446 | count = dysymtab->nindirectsyms; | |
447 | size = count * sizeof (asymbol) + 1; | |
448 | ||
449 | for (j = 0; j < count; j++) | |
450 | { | |
451 | unsigned int isym = dysymtab->indirect_syms[j]; | |
452 | ||
453 | if (isym < symtab->nsyms && symtab->symbols[isym].symbol.name) | |
454 | size += strlen (symtab->symbols[isym].symbol.name) + sizeof ("$stub"); | |
455 | } | |
456 | ||
457 | s = *ret = (asymbol *) bfd_malloc (size); | |
458 | if (s == NULL) | |
459 | return -1; | |
460 | names = (char *) (s + count); | |
461 | nul_name = names; | |
462 | *names++ = 0; | |
463 | ||
464 | n = 0; | |
465 | for (i = 0; i < mdata->nsects; i++) | |
466 | { | |
467 | bfd_mach_o_section *sec = mdata->sections[i]; | |
91d6fa6a | 468 | unsigned int first, last; |
b2b62060 TG |
469 | bfd_vma addr; |
470 | bfd_vma entry_size; | |
471 | ||
472 | switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK) | |
473 | { | |
474 | case BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS: | |
475 | case BFD_MACH_O_S_LAZY_SYMBOL_POINTERS: | |
476 | case BFD_MACH_O_S_SYMBOL_STUBS: | |
477 | first = sec->reserved1; | |
478 | last = first + bfd_mach_o_section_get_nbr_indirect (abfd, sec); | |
479 | addr = sec->addr; | |
480 | entry_size = bfd_mach_o_section_get_entry_size (abfd, sec); | |
481 | for (j = first; j < last; j++) | |
482 | { | |
483 | unsigned int isym = dysymtab->indirect_syms[j]; | |
484 | ||
485 | s->flags = BSF_GLOBAL | BSF_SYNTHETIC; | |
486 | s->section = sec->bfdsection; | |
487 | s->value = addr - sec->addr; | |
488 | s->udata.p = NULL; | |
489 | ||
490 | if (isym < symtab->nsyms | |
491 | && symtab->symbols[isym].symbol.name) | |
492 | { | |
493 | const char *sym = symtab->symbols[isym].symbol.name; | |
494 | size_t len; | |
495 | ||
496 | s->name = names; | |
497 | len = strlen (sym); | |
498 | memcpy (names, sym, len); | |
499 | names += len; | |
500 | memcpy (names, "$stub", sizeof ("$stub")); | |
501 | names += sizeof ("$stub"); | |
502 | } | |
503 | else | |
504 | s->name = nul_name; | |
505 | ||
506 | addr += entry_size; | |
507 | s++; | |
508 | n++; | |
509 | } | |
510 | break; | |
511 | default: | |
512 | break; | |
513 | } | |
514 | } | |
515 | ||
516 | return n; | |
517 | } | |
518 | ||
154a1ee5 | 519 | void |
116c20d2 NC |
520 | bfd_mach_o_get_symbol_info (bfd *abfd ATTRIBUTE_UNUSED, |
521 | asymbol *symbol, | |
522 | symbol_info *ret) | |
3af9a47b NC |
523 | { |
524 | bfd_symbol_info (symbol, ret); | |
525 | } | |
526 | ||
154a1ee5 | 527 | void |
116c20d2 | 528 | bfd_mach_o_print_symbol (bfd *abfd, |
91d6fa6a | 529 | void * afile, |
116c20d2 NC |
530 | asymbol *symbol, |
531 | bfd_print_symbol_type how) | |
3af9a47b NC |
532 | { |
533 | FILE *file = (FILE *) afile; | |
15e1c58a | 534 | const char *name; |
92bc0e80 | 535 | bfd_mach_o_asymbol *asym = (bfd_mach_o_asymbol *)symbol; |
3af9a47b NC |
536 | |
537 | switch (how) | |
538 | { | |
539 | case bfd_print_symbol_name: | |
540 | fprintf (file, "%s", symbol->name); | |
541 | break; | |
542 | default: | |
91d6fa6a | 543 | bfd_print_symbol_vandf (abfd, (void *) file, symbol); |
92bc0e80 TG |
544 | if (asym->n_type & BFD_MACH_O_N_STAB) |
545 | name = bfd_get_stab_name (asym->n_type); | |
15e1c58a | 546 | else |
92bc0e80 | 547 | switch (asym->n_type & BFD_MACH_O_N_TYPE) |
15e1c58a TG |
548 | { |
549 | case BFD_MACH_O_N_UNDF: | |
550 | name = "UND"; | |
551 | break; | |
552 | case BFD_MACH_O_N_ABS: | |
553 | name = "ABS"; | |
554 | break; | |
555 | case BFD_MACH_O_N_INDR: | |
556 | name = "INDR"; | |
557 | break; | |
558 | case BFD_MACH_O_N_PBUD: | |
559 | name = "PBUD"; | |
560 | break; | |
561 | case BFD_MACH_O_N_SECT: | |
562 | name = "SECT"; | |
563 | break; | |
564 | default: | |
565 | name = "???"; | |
566 | break; | |
567 | } | |
568 | if (name == NULL) | |
569 | name = ""; | |
92bc0e80 TG |
570 | fprintf (file, " %02x %-6s %02x %04x", |
571 | asym->n_type, name, asym->n_sect, asym->n_desc); | |
572 | if ((asym->n_type & BFD_MACH_O_N_STAB) == 0 | |
573 | && (asym->n_type & BFD_MACH_O_N_TYPE) == BFD_MACH_O_N_SECT) | |
15e1c58a TG |
574 | fprintf (file, " %-5s", symbol->section->name); |
575 | fprintf (file, " %s", symbol->name); | |
3af9a47b NC |
576 | } |
577 | } | |
578 | ||
579 | static void | |
116c20d2 NC |
580 | bfd_mach_o_convert_architecture (bfd_mach_o_cpu_type mtype, |
581 | bfd_mach_o_cpu_subtype msubtype ATTRIBUTE_UNUSED, | |
582 | enum bfd_architecture *type, | |
583 | unsigned long *subtype) | |
3af9a47b NC |
584 | { |
585 | *subtype = bfd_arch_unknown; | |
586 | ||
587 | switch (mtype) | |
588 | { | |
589 | case BFD_MACH_O_CPU_TYPE_VAX: *type = bfd_arch_vax; break; | |
590 | case BFD_MACH_O_CPU_TYPE_MC680x0: *type = bfd_arch_m68k; break; | |
1e8a024a TG |
591 | case BFD_MACH_O_CPU_TYPE_I386: |
592 | *type = bfd_arch_i386; | |
593 | *subtype = bfd_mach_i386_i386; | |
594 | break; | |
595 | case BFD_MACH_O_CPU_TYPE_X86_64: | |
596 | *type = bfd_arch_i386; | |
597 | *subtype = bfd_mach_x86_64; | |
598 | break; | |
3af9a47b NC |
599 | case BFD_MACH_O_CPU_TYPE_MIPS: *type = bfd_arch_mips; break; |
600 | case BFD_MACH_O_CPU_TYPE_MC98000: *type = bfd_arch_m98k; break; | |
601 | case BFD_MACH_O_CPU_TYPE_HPPA: *type = bfd_arch_hppa; break; | |
602 | case BFD_MACH_O_CPU_TYPE_ARM: *type = bfd_arch_arm; break; | |
603 | case BFD_MACH_O_CPU_TYPE_MC88000: *type = bfd_arch_m88k; break; | |
1e8a024a TG |
604 | case BFD_MACH_O_CPU_TYPE_SPARC: |
605 | *type = bfd_arch_sparc; | |
606 | *subtype = bfd_mach_sparc; | |
607 | break; | |
3af9a47b NC |
608 | case BFD_MACH_O_CPU_TYPE_I860: *type = bfd_arch_i860; break; |
609 | case BFD_MACH_O_CPU_TYPE_ALPHA: *type = bfd_arch_alpha; break; | |
1e8a024a TG |
610 | case BFD_MACH_O_CPU_TYPE_POWERPC: |
611 | *type = bfd_arch_powerpc; | |
c2f09c75 | 612 | *subtype = bfd_mach_ppc; |
1e8a024a TG |
613 | break; |
614 | case BFD_MACH_O_CPU_TYPE_POWERPC_64: | |
615 | *type = bfd_arch_powerpc; | |
c2f09c75 | 616 | *subtype = bfd_mach_ppc64; |
1e8a024a | 617 | break; |
3af9a47b | 618 | default: |
1e8a024a TG |
619 | *type = bfd_arch_unknown; |
620 | break; | |
3af9a47b NC |
621 | } |
622 | } | |
a95a4550 | 623 | |
154a1ee5 | 624 | static bfd_boolean |
116c20d2 NC |
625 | bfd_mach_o_write_header (bfd *abfd, bfd_mach_o_header *header) |
626 | { | |
46d1c23b | 627 | struct mach_o_header_external raw; |
1e8a024a TG |
628 | unsigned int size; |
629 | ||
c2f09c75 | 630 | size = mach_o_wide_p (header) ? |
154a1ee5 | 631 | BFD_MACH_O_HEADER_64_SIZE : BFD_MACH_O_HEADER_SIZE; |
116c20d2 | 632 | |
46d1c23b TG |
633 | bfd_h_put_32 (abfd, header->magic, raw.magic); |
634 | bfd_h_put_32 (abfd, header->cputype, raw.cputype); | |
635 | bfd_h_put_32 (abfd, header->cpusubtype, raw.cpusubtype); | |
636 | bfd_h_put_32 (abfd, header->filetype, raw.filetype); | |
637 | bfd_h_put_32 (abfd, header->ncmds, raw.ncmds); | |
638 | bfd_h_put_32 (abfd, header->sizeofcmds, raw.sizeofcmds); | |
639 | bfd_h_put_32 (abfd, header->flags, raw.flags); | |
116c20d2 | 640 | |
c2f09c75 | 641 | if (mach_o_wide_p (header)) |
46d1c23b | 642 | bfd_h_put_32 (abfd, header->reserved, raw.reserved); |
1e8a024a | 643 | |
c2f09c75 | 644 | if (bfd_seek (abfd, 0, SEEK_SET) != 0 |
46d1c23b | 645 | || bfd_bwrite (&raw, size, abfd) != size) |
154a1ee5 | 646 | return FALSE; |
116c20d2 | 647 | |
154a1ee5 | 648 | return TRUE; |
116c20d2 NC |
649 | } |
650 | ||
651 | static int | |
ab273af8 | 652 | bfd_mach_o_write_thread (bfd *abfd, bfd_mach_o_load_command *command) |
116c20d2 NC |
653 | { |
654 | bfd_mach_o_thread_command *cmd = &command->command.thread; | |
655 | unsigned int i; | |
46d1c23b | 656 | struct mach_o_thread_command_external raw; |
92bc0e80 | 657 | unsigned int offset; |
116c20d2 NC |
658 | |
659 | BFD_ASSERT ((command->type == BFD_MACH_O_LC_THREAD) | |
660 | || (command->type == BFD_MACH_O_LC_UNIXTHREAD)); | |
661 | ||
662 | offset = 8; | |
116c20d2 NC |
663 | for (i = 0; i < cmd->nflavours; i++) |
664 | { | |
665 | BFD_ASSERT ((cmd->flavours[i].size % 4) == 0); | |
46d1c23b TG |
666 | BFD_ASSERT (cmd->flavours[i].offset == |
667 | (command->offset + offset + BFD_MACH_O_LC_SIZE)); | |
116c20d2 | 668 | |
46d1c23b TG |
669 | bfd_h_put_32 (abfd, cmd->flavours[i].flavour, raw.flavour); |
670 | bfd_h_put_32 (abfd, (cmd->flavours[i].size / 4), raw.count); | |
116c20d2 | 671 | |
c2f09c75 | 672 | if (bfd_seek (abfd, command->offset + offset, SEEK_SET) != 0 |
46d1c23b | 673 | || bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw)) |
116c20d2 NC |
674 | return -1; |
675 | ||
46d1c23b | 676 | offset += cmd->flavours[i].size + sizeof (raw); |
116c20d2 NC |
677 | } |
678 | ||
679 | return 0; | |
680 | } | |
681 | ||
92bc0e80 TG |
682 | long |
683 | bfd_mach_o_get_reloc_upper_bound (bfd *abfd ATTRIBUTE_UNUSED, | |
684 | asection *asect) | |
685 | { | |
686 | return (asect->reloc_count + 1) * sizeof (arelent *); | |
687 | } | |
688 | ||
b32e07d7 | 689 | static int |
46d1c23b TG |
690 | bfd_mach_o_canonicalize_one_reloc (bfd *abfd, |
691 | struct mach_o_reloc_info_external *raw, | |
b32e07d7 | 692 | arelent *res, asymbol **syms) |
92bc0e80 | 693 | { |
046b007d | 694 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
92bc0e80 | 695 | bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd); |
b32e07d7 TG |
696 | bfd_mach_o_reloc_info reloc; |
697 | bfd_vma addr; | |
698 | bfd_vma symnum; | |
699 | asymbol **sym; | |
700 | ||
46d1c23b TG |
701 | addr = bfd_get_32 (abfd, raw->r_address); |
702 | symnum = bfd_get_32 (abfd, raw->r_symbolnum); | |
b32e07d7 TG |
703 | |
704 | if (addr & BFD_MACH_O_SR_SCATTERED) | |
705 | { | |
706 | unsigned int j; | |
707 | ||
708 | /* Scattered relocation. | |
709 | Extract section and offset from r_value. */ | |
710 | res->sym_ptr_ptr = NULL; | |
711 | res->addend = 0; | |
712 | for (j = 0; j < mdata->nsects; j++) | |
713 | { | |
714 | bfd_mach_o_section *sect = mdata->sections[j]; | |
715 | if (symnum >= sect->addr && symnum < sect->addr + sect->size) | |
716 | { | |
717 | res->sym_ptr_ptr = sect->bfdsection->symbol_ptr_ptr; | |
718 | res->addend = symnum - sect->addr; | |
719 | break; | |
720 | } | |
721 | } | |
722 | res->address = BFD_MACH_O_GET_SR_ADDRESS (addr); | |
723 | reloc.r_type = BFD_MACH_O_GET_SR_TYPE (addr); | |
724 | reloc.r_length = BFD_MACH_O_GET_SR_LENGTH (addr); | |
725 | reloc.r_pcrel = addr & BFD_MACH_O_SR_PCREL; | |
726 | reloc.r_scattered = 1; | |
727 | } | |
728 | else | |
729 | { | |
730 | unsigned int num = BFD_MACH_O_GET_R_SYMBOLNUM (symnum); | |
731 | res->addend = 0; | |
732 | res->address = addr; | |
733 | if (symnum & BFD_MACH_O_R_EXTERN) | |
06988dfc TG |
734 | { |
735 | sym = syms + num; | |
736 | reloc.r_extern = 1; | |
737 | } | |
b32e07d7 TG |
738 | else |
739 | { | |
740 | BFD_ASSERT (num != 0); | |
741 | BFD_ASSERT (num <= mdata->nsects); | |
742 | sym = mdata->sections[num - 1]->bfdsection->symbol_ptr_ptr; | |
1523fa24 TG |
743 | /* For a symbol defined in section S, the addend (stored in the |
744 | binary) contains the address of the section. To comply with | |
745 | bfd conventio, substract the section address. | |
746 | Use the address from the header, so that the user can modify | |
747 | the vma of the section. */ | |
748 | res->addend = -mdata->sections[num - 1]->addr; | |
06988dfc | 749 | reloc.r_extern = 0; |
b32e07d7 TG |
750 | } |
751 | res->sym_ptr_ptr = sym; | |
752 | reloc.r_type = BFD_MACH_O_GET_R_TYPE (symnum); | |
753 | reloc.r_length = BFD_MACH_O_GET_R_LENGTH (symnum); | |
754 | reloc.r_pcrel = (symnum & BFD_MACH_O_R_PCREL) ? 1 : 0; | |
755 | reloc.r_scattered = 0; | |
756 | } | |
757 | ||
758 | if (!(*bed->_bfd_mach_o_swap_reloc_in)(res, &reloc)) | |
759 | return -1; | |
760 | return 0; | |
761 | } | |
762 | ||
763 | static int | |
764 | bfd_mach_o_canonicalize_relocs (bfd *abfd, unsigned long filepos, | |
765 | unsigned long count, | |
766 | arelent *res, asymbol **syms) | |
767 | { | |
92bc0e80 | 768 | unsigned long i; |
46d1c23b | 769 | struct mach_o_reloc_info_external *native_relocs; |
92bc0e80 TG |
770 | bfd_size_type native_size; |
771 | ||
92bc0e80 | 772 | /* Allocate and read relocs. */ |
b32e07d7 | 773 | native_size = count * BFD_MACH_O_RELENT_SIZE; |
46d1c23b TG |
774 | native_relocs = |
775 | (struct mach_o_reloc_info_external *) bfd_malloc (native_size); | |
92bc0e80 TG |
776 | if (native_relocs == NULL) |
777 | return -1; | |
778 | ||
b32e07d7 | 779 | if (bfd_seek (abfd, filepos, SEEK_SET) != 0 |
92bc0e80 | 780 | || bfd_bread (native_relocs, native_size, abfd) != native_size) |
b32e07d7 TG |
781 | goto err; |
782 | ||
783 | for (i = 0; i < count; i++) | |
92bc0e80 | 784 | { |
46d1c23b TG |
785 | if (bfd_mach_o_canonicalize_one_reloc (abfd, &native_relocs[i], |
786 | &res[i], syms) < 0) | |
b32e07d7 | 787 | goto err; |
92bc0e80 | 788 | } |
b32e07d7 TG |
789 | free (native_relocs); |
790 | return i; | |
791 | err: | |
792 | free (native_relocs); | |
793 | return -1; | |
794 | } | |
795 | ||
796 | long | |
797 | bfd_mach_o_canonicalize_reloc (bfd *abfd, asection *asect, | |
798 | arelent **rels, asymbol **syms) | |
799 | { | |
800 | bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd); | |
801 | unsigned long i; | |
802 | arelent *res; | |
803 | ||
804 | if (asect->reloc_count == 0) | |
805 | return 0; | |
806 | ||
807 | /* No need to go further if we don't know how to read relocs. */ | |
808 | if (bed->_bfd_mach_o_swap_reloc_in == NULL) | |
809 | return 0; | |
92bc0e80 TG |
810 | |
811 | res = bfd_malloc (asect->reloc_count * sizeof (arelent)); | |
812 | if (res == NULL) | |
b32e07d7 TG |
813 | return -1; |
814 | ||
815 | if (bfd_mach_o_canonicalize_relocs (abfd, asect->rel_filepos, | |
816 | asect->reloc_count, res, syms) < 0) | |
92bc0e80 | 817 | { |
b32e07d7 | 818 | free (res); |
92bc0e80 TG |
819 | return -1; |
820 | } | |
821 | ||
822 | for (i = 0; i < asect->reloc_count; i++) | |
b32e07d7 TG |
823 | rels[i] = &res[i]; |
824 | rels[i] = NULL; | |
825 | asect->relocation = res; | |
92bc0e80 | 826 | |
b32e07d7 TG |
827 | return i; |
828 | } | |
92bc0e80 | 829 | |
b32e07d7 TG |
830 | long |
831 | bfd_mach_o_get_dynamic_reloc_upper_bound (bfd *abfd) | |
832 | { | |
833 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
92bc0e80 | 834 | |
b32e07d7 TG |
835 | if (mdata->dysymtab == NULL) |
836 | return 1; | |
837 | return (mdata->dysymtab->nextrel + mdata->dysymtab->nlocrel) | |
838 | * sizeof (arelent *); | |
839 | } | |
92bc0e80 | 840 | |
b32e07d7 TG |
841 | long |
842 | bfd_mach_o_canonicalize_dynamic_reloc (bfd *abfd, arelent **rels, | |
843 | struct bfd_symbol **syms) | |
844 | { | |
845 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
846 | bfd_mach_o_dysymtab_command *dysymtab = mdata->dysymtab; | |
847 | bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd); | |
848 | unsigned long i; | |
849 | arelent *res; | |
850 | ||
851 | if (dysymtab == NULL) | |
852 | return 0; | |
853 | if (dysymtab->nextrel == 0 && dysymtab->nlocrel == 0) | |
854 | return 0; | |
855 | ||
856 | /* No need to go further if we don't know how to read relocs. */ | |
857 | if (bed->_bfd_mach_o_swap_reloc_in == NULL) | |
858 | return 0; | |
859 | ||
860 | res = bfd_malloc ((dysymtab->nextrel + dysymtab->nlocrel) * sizeof (arelent)); | |
861 | if (res == NULL) | |
862 | return -1; | |
863 | ||
864 | if (bfd_mach_o_canonicalize_relocs (abfd, dysymtab->extreloff, | |
865 | dysymtab->nextrel, res, syms) < 0) | |
866 | { | |
867 | free (res); | |
868 | return -1; | |
92bc0e80 | 869 | } |
b32e07d7 TG |
870 | |
871 | if (bfd_mach_o_canonicalize_relocs (abfd, dysymtab->locreloff, | |
872 | dysymtab->nlocrel, | |
873 | res + dysymtab->nextrel, syms) < 0) | |
874 | { | |
875 | free (res); | |
876 | return -1; | |
877 | } | |
878 | ||
879 | for (i = 0; i < dysymtab->nextrel + dysymtab->nlocrel; i++) | |
880 | rels[i] = &res[i]; | |
881 | rels[i] = NULL; | |
92bc0e80 TG |
882 | return i; |
883 | } | |
884 | ||
885 | static bfd_boolean | |
ab273af8 | 886 | bfd_mach_o_write_relocs (bfd *abfd, bfd_mach_o_section *section) |
92bc0e80 | 887 | { |
046b007d | 888 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
92bc0e80 TG |
889 | unsigned int i; |
890 | arelent **entries; | |
891 | asection *sec; | |
892 | bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd); | |
893 | ||
894 | sec = section->bfdsection; | |
895 | if (sec->reloc_count == 0) | |
896 | return TRUE; | |
897 | ||
898 | if (bed->_bfd_mach_o_swap_reloc_out == NULL) | |
899 | return TRUE; | |
900 | ||
901 | /* Allocate relocation room. */ | |
902 | mdata->filelen = FILE_ALIGN(mdata->filelen, 2); | |
903 | section->nreloc = sec->reloc_count; | |
904 | sec->rel_filepos = mdata->filelen; | |
905 | section->reloff = sec->rel_filepos; | |
906 | mdata->filelen += sec->reloc_count * BFD_MACH_O_RELENT_SIZE; | |
907 | ||
908 | if (bfd_seek (abfd, section->reloff, SEEK_SET) != 0) | |
909 | return FALSE; | |
910 | ||
911 | /* Convert and write. */ | |
912 | entries = section->bfdsection->orelocation; | |
913 | for (i = 0; i < section->nreloc; i++) | |
914 | { | |
915 | arelent *rel = entries[i]; | |
46d1c23b | 916 | struct mach_o_reloc_info_external raw; |
92bc0e80 TG |
917 | bfd_mach_o_reloc_info info, *pinfo = &info; |
918 | ||
919 | /* Convert relocation to an intermediate representation. */ | |
920 | if (!(*bed->_bfd_mach_o_swap_reloc_out) (rel, pinfo)) | |
921 | return FALSE; | |
922 | ||
923 | /* Lower the relocation info. */ | |
924 | if (pinfo->r_scattered) | |
925 | { | |
926 | unsigned long v; | |
927 | ||
928 | v = BFD_MACH_O_SR_SCATTERED | |
929 | | (pinfo->r_pcrel ? BFD_MACH_O_SR_PCREL : 0) | |
930 | | BFD_MACH_O_SET_SR_LENGTH(pinfo->r_length) | |
931 | | BFD_MACH_O_SET_SR_TYPE(pinfo->r_type) | |
932 | | BFD_MACH_O_SET_SR_ADDRESS(pinfo->r_address); | |
46d1c23b TG |
933 | /* Note: scattered relocs have field in reverse order... */ |
934 | bfd_put_32 (abfd, v, raw.r_address); | |
935 | bfd_put_32 (abfd, pinfo->r_value, raw.r_symbolnum); | |
92bc0e80 TG |
936 | } |
937 | else | |
938 | { | |
939 | unsigned long v; | |
940 | ||
46d1c23b | 941 | bfd_put_32 (abfd, pinfo->r_address, raw.r_address); |
92bc0e80 TG |
942 | v = BFD_MACH_O_SET_R_SYMBOLNUM (pinfo->r_value) |
943 | | (pinfo->r_pcrel ? BFD_MACH_O_R_PCREL : 0) | |
944 | | BFD_MACH_O_SET_R_LENGTH (pinfo->r_length) | |
945 | | (pinfo->r_extern ? BFD_MACH_O_R_EXTERN : 0) | |
946 | | BFD_MACH_O_SET_R_TYPE (pinfo->r_type); | |
46d1c23b | 947 | bfd_put_32 (abfd, v, raw.r_symbolnum); |
92bc0e80 TG |
948 | } |
949 | ||
46d1c23b | 950 | if (bfd_bwrite (&raw, BFD_MACH_O_RELENT_SIZE, abfd) |
92bc0e80 TG |
951 | != BFD_MACH_O_RELENT_SIZE) |
952 | return FALSE; | |
953 | } | |
954 | return TRUE; | |
955 | } | |
956 | ||
116c20d2 | 957 | static int |
ab273af8 | 958 | bfd_mach_o_write_section_32 (bfd *abfd, bfd_mach_o_section *section) |
116c20d2 | 959 | { |
46d1c23b TG |
960 | struct mach_o_section_32_external raw; |
961 | ||
962 | memcpy (raw.sectname, section->sectname, 16); | |
72b5104c | 963 | memcpy (raw.segname, section->segname, 16); |
46d1c23b TG |
964 | bfd_h_put_32 (abfd, section->addr, raw.addr); |
965 | bfd_h_put_32 (abfd, section->size, raw.size); | |
966 | bfd_h_put_32 (abfd, section->offset, raw.offset); | |
967 | bfd_h_put_32 (abfd, section->align, raw.align); | |
968 | bfd_h_put_32 (abfd, section->reloff, raw.reloff); | |
969 | bfd_h_put_32 (abfd, section->nreloc, raw.nreloc); | |
970 | bfd_h_put_32 (abfd, section->flags, raw.flags); | |
971 | bfd_h_put_32 (abfd, section->reserved1, raw.reserved1); | |
972 | bfd_h_put_32 (abfd, section->reserved2, raw.reserved2); | |
973 | ||
974 | if (bfd_bwrite (&raw, BFD_MACH_O_SECTION_SIZE, abfd) | |
92bc0e80 | 975 | != BFD_MACH_O_SECTION_SIZE) |
116c20d2 NC |
976 | return -1; |
977 | ||
978 | return 0; | |
979 | } | |
980 | ||
981 | static int | |
ab273af8 | 982 | bfd_mach_o_write_section_64 (bfd *abfd, bfd_mach_o_section *section) |
116c20d2 | 983 | { |
46d1c23b TG |
984 | struct mach_o_section_64_external raw; |
985 | ||
986 | memcpy (raw.sectname, section->sectname, 16); | |
987 | memcpy (raw.segname, section->segname, 16); | |
988 | bfd_h_put_64 (abfd, section->addr, raw.addr); | |
989 | bfd_h_put_64 (abfd, section->size, raw.size); | |
990 | bfd_h_put_32 (abfd, section->offset, raw.offset); | |
991 | bfd_h_put_32 (abfd, section->align, raw.align); | |
992 | bfd_h_put_32 (abfd, section->reloff, raw.reloff); | |
993 | bfd_h_put_32 (abfd, section->nreloc, raw.nreloc); | |
994 | bfd_h_put_32 (abfd, section->flags, raw.flags); | |
995 | bfd_h_put_32 (abfd, section->reserved1, raw.reserved1); | |
996 | bfd_h_put_32 (abfd, section->reserved2, raw.reserved2); | |
997 | bfd_h_put_32 (abfd, section->reserved3, raw.reserved3); | |
998 | ||
999 | if (bfd_bwrite (&raw, BFD_MACH_O_SECTION_64_SIZE, abfd) | |
92bc0e80 | 1000 | != BFD_MACH_O_SECTION_64_SIZE) |
116c20d2 NC |
1001 | return -1; |
1002 | ||
1e8a024a TG |
1003 | return 0; |
1004 | } | |
1005 | ||
1006 | static int | |
ab273af8 | 1007 | bfd_mach_o_write_segment_32 (bfd *abfd, bfd_mach_o_load_command *command) |
1e8a024a | 1008 | { |
46d1c23b | 1009 | struct mach_o_segment_command_32_external raw; |
1e8a024a | 1010 | bfd_mach_o_segment_command *seg = &command->command.segment; |
f1bde64c | 1011 | bfd_mach_o_section *sec; |
1e8a024a | 1012 | |
c2f09c75 TG |
1013 | BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT); |
1014 | ||
f1bde64c TG |
1015 | for (sec = seg->sect_head; sec != NULL; sec = sec->next) |
1016 | if (!bfd_mach_o_write_relocs (abfd, sec)) | |
92bc0e80 | 1017 | return -1; |
c2f09c75 | 1018 | |
46d1c23b TG |
1019 | memcpy (raw.segname, seg->segname, 16); |
1020 | bfd_h_put_32 (abfd, seg->vmaddr, raw.vmaddr); | |
1021 | bfd_h_put_32 (abfd, seg->vmsize, raw.vmsize); | |
1022 | bfd_h_put_32 (abfd, seg->fileoff, raw.fileoff); | |
1023 | bfd_h_put_32 (abfd, seg->filesize, raw.filesize); | |
1024 | bfd_h_put_32 (abfd, seg->maxprot, raw.maxprot); | |
1025 | bfd_h_put_32 (abfd, seg->initprot, raw.initprot); | |
1026 | bfd_h_put_32 (abfd, seg->nsects, raw.nsects); | |
1027 | bfd_h_put_32 (abfd, seg->flags, raw.flags); | |
c2f09c75 | 1028 | |
46d1c23b TG |
1029 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 |
1030 | || bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
c2f09c75 | 1031 | return -1; |
1e8a024a | 1032 | |
f1bde64c TG |
1033 | for (sec = seg->sect_head; sec != NULL; sec = sec->next) |
1034 | if (bfd_mach_o_write_section_32 (abfd, sec)) | |
92bc0e80 | 1035 | return -1; |
1e8a024a | 1036 | |
116c20d2 NC |
1037 | return 0; |
1038 | } | |
1039 | ||
1e8a024a | 1040 | static int |
ab273af8 | 1041 | bfd_mach_o_write_segment_64 (bfd *abfd, bfd_mach_o_load_command *command) |
1e8a024a | 1042 | { |
46d1c23b | 1043 | struct mach_o_segment_command_64_external raw; |
c2f09c75 | 1044 | bfd_mach_o_segment_command *seg = &command->command.segment; |
f1bde64c | 1045 | bfd_mach_o_section *sec; |
c2f09c75 TG |
1046 | |
1047 | BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT_64); | |
1048 | ||
f1bde64c TG |
1049 | for (sec = seg->sect_head; sec != NULL; sec = sec->next) |
1050 | if (!bfd_mach_o_write_relocs (abfd, sec)) | |
92bc0e80 | 1051 | return -1; |
c2f09c75 | 1052 | |
46d1c23b TG |
1053 | memcpy (raw.segname, seg->segname, 16); |
1054 | bfd_h_put_64 (abfd, seg->vmaddr, raw.vmaddr); | |
1055 | bfd_h_put_64 (abfd, seg->vmsize, raw.vmsize); | |
1056 | bfd_h_put_64 (abfd, seg->fileoff, raw.fileoff); | |
1057 | bfd_h_put_64 (abfd, seg->filesize, raw.filesize); | |
1058 | bfd_h_put_32 (abfd, seg->maxprot, raw.maxprot); | |
1059 | bfd_h_put_32 (abfd, seg->initprot, raw.initprot); | |
1060 | bfd_h_put_32 (abfd, seg->nsects, raw.nsects); | |
1061 | bfd_h_put_32 (abfd, seg->flags, raw.flags); | |
1062 | ||
1063 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 | |
1064 | || bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
c2f09c75 TG |
1065 | return -1; |
1066 | ||
f1bde64c TG |
1067 | for (sec = seg->sect_head; sec != NULL; sec = sec->next) |
1068 | if (bfd_mach_o_write_section_64 (abfd, sec)) | |
92bc0e80 | 1069 | return -1; |
c2f09c75 | 1070 | |
c2f09c75 | 1071 | return 0; |
1e8a024a TG |
1072 | } |
1073 | ||
c2f09c75 | 1074 | static bfd_boolean |
ab273af8 | 1075 | bfd_mach_o_write_symtab (bfd *abfd, bfd_mach_o_load_command *command) |
116c20d2 | 1076 | { |
046b007d | 1077 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
116c20d2 | 1078 | bfd_mach_o_symtab_command *sym = &command->command.symtab; |
116c20d2 | 1079 | unsigned long i; |
c2f09c75 | 1080 | unsigned int wide = bfd_mach_o_wide_p (abfd); |
046b007d | 1081 | unsigned int symlen = wide ? BFD_MACH_O_NLIST_64_SIZE : BFD_MACH_O_NLIST_SIZE; |
c2f09c75 TG |
1082 | struct bfd_strtab_hash *strtab; |
1083 | asymbol **symbols = bfd_get_outsymbols (abfd); | |
1084 | ||
1085 | BFD_ASSERT (command->type == BFD_MACH_O_LC_SYMTAB); | |
1086 | ||
1087 | /* Write the symbols first. */ | |
92bc0e80 TG |
1088 | mdata->filelen = FILE_ALIGN(mdata->filelen, wide ? 3 : 2); |
1089 | sym->symoff = mdata->filelen; | |
c2f09c75 TG |
1090 | if (bfd_seek (abfd, sym->symoff, SEEK_SET) != 0) |
1091 | return FALSE; | |
1092 | ||
1093 | sym->nsyms = bfd_get_symcount (abfd); | |
92bc0e80 | 1094 | mdata->filelen += sym->nsyms * symlen; |
c2f09c75 TG |
1095 | |
1096 | strtab = _bfd_stringtab_init (); | |
1097 | if (strtab == NULL) | |
1098 | return FALSE; | |
116c20d2 NC |
1099 | |
1100 | for (i = 0; i < sym->nsyms; i++) | |
1101 | { | |
91d6fa6a | 1102 | bfd_size_type str_index; |
92bc0e80 | 1103 | bfd_mach_o_asymbol *s = (bfd_mach_o_asymbol *)symbols[i]; |
c2f09c75 | 1104 | |
92bc0e80 | 1105 | /* Compute name index. */ |
c2f09c75 | 1106 | /* An index of 0 always means the empty string. */ |
92bc0e80 | 1107 | if (s->symbol.name == 0 || s->symbol.name[0] == '\0') |
91d6fa6a | 1108 | str_index = 0; |
c2f09c75 TG |
1109 | else |
1110 | { | |
91d6fa6a NC |
1111 | str_index = _bfd_stringtab_add (strtab, s->symbol.name, TRUE, FALSE); |
1112 | if (str_index == (bfd_size_type) -1) | |
c2f09c75 TG |
1113 | goto err; |
1114 | } | |
46d1c23b | 1115 | |
c2f09c75 | 1116 | if (wide) |
46d1c23b TG |
1117 | { |
1118 | struct mach_o_nlist_64_external raw; | |
1119 | ||
1120 | bfd_h_put_32 (abfd, str_index, raw.n_strx); | |
1121 | bfd_h_put_8 (abfd, s->n_type, raw.n_type); | |
1122 | bfd_h_put_8 (abfd, s->n_sect, raw.n_sect); | |
1123 | bfd_h_put_16 (abfd, s->n_desc, raw.n_desc); | |
1124 | bfd_h_put_64 (abfd, s->symbol.section->vma + s->symbol.value, | |
1125 | raw.n_value); | |
1126 | ||
1127 | if (bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
1128 | goto err; | |
1129 | } | |
c2f09c75 | 1130 | else |
46d1c23b TG |
1131 | { |
1132 | struct mach_o_nlist_external raw; | |
116c20d2 | 1133 | |
46d1c23b TG |
1134 | bfd_h_put_32 (abfd, str_index, raw.n_strx); |
1135 | bfd_h_put_8 (abfd, s->n_type, raw.n_type); | |
1136 | bfd_h_put_8 (abfd, s->n_sect, raw.n_sect); | |
1137 | bfd_h_put_16 (abfd, s->n_desc, raw.n_desc); | |
1138 | bfd_h_put_32 (abfd, s->symbol.section->vma + s->symbol.value, | |
1139 | raw.n_value); | |
1140 | ||
1141 | if (bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
1142 | goto err; | |
1143 | } | |
116c20d2 | 1144 | } |
c2f09c75 | 1145 | sym->strsize = _bfd_stringtab_size (strtab); |
92bc0e80 TG |
1146 | sym->stroff = mdata->filelen; |
1147 | mdata->filelen += sym->strsize; | |
116c20d2 | 1148 | |
c2f09c75 TG |
1149 | if (_bfd_stringtab_emit (abfd, strtab) != TRUE) |
1150 | goto err; | |
1151 | _bfd_stringtab_free (strtab); | |
116c20d2 | 1152 | |
c2f09c75 | 1153 | /* The command. */ |
46d1c23b TG |
1154 | { |
1155 | struct mach_o_symtab_command_external raw; | |
116c20d2 | 1156 | |
46d1c23b TG |
1157 | bfd_h_put_32 (abfd, sym->symoff, raw.symoff); |
1158 | bfd_h_put_32 (abfd, sym->nsyms, raw.nsyms); | |
1159 | bfd_h_put_32 (abfd, sym->stroff, raw.stroff); | |
1160 | bfd_h_put_32 (abfd, sym->strsize, raw.strsize); | |
1161 | ||
1162 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 | |
1163 | || bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
1164 | return FALSE; | |
1165 | } | |
116c20d2 | 1166 | |
c2f09c75 | 1167 | return TRUE; |
116c20d2 | 1168 | |
c2f09c75 TG |
1169 | err: |
1170 | _bfd_stringtab_free (strtab); | |
1171 | return FALSE; | |
116c20d2 NC |
1172 | } |
1173 | ||
92bc0e80 TG |
1174 | /* Process the symbols and generate Mach-O specific fields. |
1175 | Number them. */ | |
1176 | ||
1177 | static bfd_boolean | |
1178 | bfd_mach_o_mangle_symbols (bfd *abfd) | |
1179 | { | |
1180 | unsigned long i; | |
1181 | asymbol **symbols = bfd_get_outsymbols (abfd); | |
1182 | ||
1183 | for (i = 0; i < bfd_get_symcount (abfd); i++) | |
1184 | { | |
1185 | bfd_mach_o_asymbol *s = (bfd_mach_o_asymbol *)symbols[i]; | |
1186 | ||
1187 | if (s->n_type == BFD_MACH_O_N_UNDF && !(s->symbol.flags & BSF_DEBUGGING)) | |
1188 | { | |
1189 | /* As genuine Mach-O symbols type shouldn't be N_UNDF (undefined | |
1190 | symbols should be N_UNDEF | N_EXT), we suppose the back-end | |
1191 | values haven't been set. */ | |
1192 | if (s->symbol.section == bfd_abs_section_ptr) | |
1193 | s->n_type = BFD_MACH_O_N_ABS; | |
1194 | else if (s->symbol.section == bfd_und_section_ptr) | |
1195 | { | |
1196 | s->n_type = BFD_MACH_O_N_UNDF; | |
1197 | if (s->symbol.flags & BSF_WEAK) | |
1198 | s->n_desc |= BFD_MACH_O_N_WEAK_REF; | |
1199 | } | |
1200 | else if (s->symbol.section == bfd_com_section_ptr) | |
1201 | s->n_type = BFD_MACH_O_N_UNDF | BFD_MACH_O_N_EXT; | |
1202 | else | |
1203 | s->n_type = BFD_MACH_O_N_SECT; | |
1204 | ||
1205 | if (s->symbol.flags & BSF_GLOBAL) | |
1206 | s->n_type |= BFD_MACH_O_N_EXT; | |
1207 | } | |
1208 | ||
1209 | /* Compute section index. */ | |
1210 | if (s->symbol.section != bfd_abs_section_ptr | |
1211 | && s->symbol.section != bfd_und_section_ptr | |
1212 | && s->symbol.section != bfd_com_section_ptr) | |
1213 | s->n_sect = s->symbol.section->target_index; | |
1214 | ||
1215 | /* Number symbols. */ | |
1216 | s->symbol.udata.i = i; | |
1217 | } | |
1218 | return TRUE; | |
1219 | } | |
1220 | ||
154a1ee5 | 1221 | bfd_boolean |
116c20d2 | 1222 | bfd_mach_o_write_contents (bfd *abfd) |
3af9a47b NC |
1223 | { |
1224 | unsigned int i; | |
046b007d | 1225 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
3af9a47b | 1226 | |
92bc0e80 TG |
1227 | if (mdata->header.ncmds == 0) |
1228 | if (!bfd_mach_o_build_commands (abfd)) | |
1229 | return FALSE; | |
1230 | ||
3af9a47b | 1231 | /* Now write header information. */ |
c2f09c75 TG |
1232 | if (mdata->header.filetype == 0) |
1233 | { | |
1234 | if (abfd->flags & EXEC_P) | |
1235 | mdata->header.filetype = BFD_MACH_O_MH_EXECUTE; | |
1236 | else if (abfd->flags & DYNAMIC) | |
1237 | mdata->header.filetype = BFD_MACH_O_MH_DYLIB; | |
1238 | else | |
1239 | mdata->header.filetype = BFD_MACH_O_MH_OBJECT; | |
1240 | } | |
154a1ee5 | 1241 | if (!bfd_mach_o_write_header (abfd, &mdata->header)) |
b34976b6 | 1242 | return FALSE; |
3af9a47b | 1243 | |
92bc0e80 TG |
1244 | /* Assign a number to each symbols. */ |
1245 | if (!bfd_mach_o_mangle_symbols (abfd)) | |
1246 | return FALSE; | |
1247 | ||
3af9a47b NC |
1248 | for (i = 0; i < mdata->header.ncmds; i++) |
1249 | { | |
46d1c23b | 1250 | struct mach_o_load_command_external raw; |
3af9a47b NC |
1251 | bfd_mach_o_load_command *cur = &mdata->commands[i]; |
1252 | unsigned long typeflag; | |
1253 | ||
154a1ee5 | 1254 | typeflag = cur->type | (cur->type_required ? BFD_MACH_O_LC_REQ_DYLD : 0); |
3af9a47b | 1255 | |
46d1c23b TG |
1256 | bfd_h_put_32 (abfd, typeflag, raw.cmd); |
1257 | bfd_h_put_32 (abfd, cur->len, raw.cmdsize); | |
3af9a47b | 1258 | |
c2f09c75 | 1259 | if (bfd_seek (abfd, cur->offset, SEEK_SET) != 0 |
46d1c23b | 1260 | || bfd_bwrite (&raw, BFD_MACH_O_LC_SIZE, abfd) != 8) |
b34976b6 | 1261 | return FALSE; |
3af9a47b NC |
1262 | |
1263 | switch (cur->type) | |
1264 | { | |
1265 | case BFD_MACH_O_LC_SEGMENT: | |
ab273af8 | 1266 | if (bfd_mach_o_write_segment_32 (abfd, cur) != 0) |
1e8a024a TG |
1267 | return FALSE; |
1268 | break; | |
1269 | case BFD_MACH_O_LC_SEGMENT_64: | |
ab273af8 | 1270 | if (bfd_mach_o_write_segment_64 (abfd, cur) != 0) |
b34976b6 | 1271 | return FALSE; |
3af9a47b NC |
1272 | break; |
1273 | case BFD_MACH_O_LC_SYMTAB: | |
ab273af8 | 1274 | if (!bfd_mach_o_write_symtab (abfd, cur)) |
b34976b6 | 1275 | return FALSE; |
3af9a47b NC |
1276 | break; |
1277 | case BFD_MACH_O_LC_SYMSEG: | |
1278 | break; | |
1279 | case BFD_MACH_O_LC_THREAD: | |
1280 | case BFD_MACH_O_LC_UNIXTHREAD: | |
ab273af8 | 1281 | if (bfd_mach_o_write_thread (abfd, cur) != 0) |
b34976b6 | 1282 | return FALSE; |
3af9a47b NC |
1283 | break; |
1284 | case BFD_MACH_O_LC_LOADFVMLIB: | |
1285 | case BFD_MACH_O_LC_IDFVMLIB: | |
1286 | case BFD_MACH_O_LC_IDENT: | |
1287 | case BFD_MACH_O_LC_FVMFILE: | |
1288 | case BFD_MACH_O_LC_PREPAGE: | |
1289 | case BFD_MACH_O_LC_DYSYMTAB: | |
1290 | case BFD_MACH_O_LC_LOAD_DYLIB: | |
1291 | case BFD_MACH_O_LC_LOAD_WEAK_DYLIB: | |
1292 | case BFD_MACH_O_LC_ID_DYLIB: | |
046b007d | 1293 | case BFD_MACH_O_LC_REEXPORT_DYLIB: |
3af9a47b NC |
1294 | case BFD_MACH_O_LC_LOAD_DYLINKER: |
1295 | case BFD_MACH_O_LC_ID_DYLINKER: | |
1296 | case BFD_MACH_O_LC_PREBOUND_DYLIB: | |
1297 | case BFD_MACH_O_LC_ROUTINES: | |
1298 | case BFD_MACH_O_LC_SUB_FRAMEWORK: | |
1299 | break; | |
1300 | default: | |
4a97a0e5 AM |
1301 | (*_bfd_error_handler) (_("unable to write unknown load command 0x%lx"), |
1302 | (unsigned long) cur->type); | |
b34976b6 | 1303 | return FALSE; |
3af9a47b NC |
1304 | } |
1305 | } | |
1306 | ||
b34976b6 | 1307 | return TRUE; |
3af9a47b NC |
1308 | } |
1309 | ||
f1bde64c TG |
1310 | static void |
1311 | bfd_mach_o_append_section_to_segment (bfd_mach_o_segment_command *seg, | |
1312 | asection *sec) | |
1313 | { | |
1314 | bfd_mach_o_section *s = (bfd_mach_o_section *)sec->used_by_bfd; | |
1315 | if (seg->sect_head == NULL) | |
1316 | seg->sect_head = s; | |
1317 | else | |
1318 | seg->sect_tail->next = s; | |
1319 | seg->sect_tail = s; | |
1320 | } | |
1321 | ||
1322 | /* Create section Mach-O flags from BFD flags. */ | |
1323 | ||
1324 | static void | |
1325 | bfd_mach_o_set_section_flags_from_bfd (bfd *abfd ATTRIBUTE_UNUSED, asection *sec) | |
1326 | { | |
1327 | flagword bfd_flags; | |
1328 | bfd_mach_o_section *s = bfd_mach_o_get_mach_o_section (sec); | |
1329 | ||
1330 | /* Create default flags. */ | |
1331 | bfd_flags = bfd_get_section_flags (abfd, sec); | |
1332 | if ((bfd_flags & SEC_CODE) == SEC_CODE) | |
1333 | s->flags = BFD_MACH_O_S_ATTR_PURE_INSTRUCTIONS | |
1334 | | BFD_MACH_O_S_ATTR_SOME_INSTRUCTIONS | |
1335 | | BFD_MACH_O_S_REGULAR; | |
1336 | else if ((bfd_flags & (SEC_ALLOC | SEC_LOAD)) == SEC_ALLOC) | |
1337 | s->flags = BFD_MACH_O_S_ZEROFILL; | |
1338 | else if (bfd_flags & SEC_DEBUGGING) | |
1339 | s->flags = BFD_MACH_O_S_REGULAR | BFD_MACH_O_S_ATTR_DEBUG; | |
1340 | else | |
1341 | s->flags = BFD_MACH_O_S_REGULAR; | |
1342 | } | |
1343 | ||
154a1ee5 TG |
1344 | /* Build Mach-O load commands from the sections. */ |
1345 | ||
1346 | bfd_boolean | |
1347 | bfd_mach_o_build_commands (bfd *abfd) | |
1348 | { | |
046b007d | 1349 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
c2f09c75 | 1350 | unsigned int wide = mach_o_wide_p (&mdata->header); |
154a1ee5 | 1351 | bfd_mach_o_segment_command *seg; |
154a1ee5 | 1352 | asection *sec; |
c2f09c75 TG |
1353 | bfd_mach_o_load_command *cmd; |
1354 | bfd_mach_o_load_command *symtab_cmd; | |
1355 | int target_index; | |
154a1ee5 TG |
1356 | |
1357 | /* Return now if commands are already built. */ | |
1358 | if (mdata->header.ncmds) | |
1359 | return FALSE; | |
1360 | ||
f1bde64c TG |
1361 | /* Very simple version: a command (segment) to contain all the sections and |
1362 | a command for the symbol table. */ | |
c2f09c75 TG |
1363 | mdata->header.ncmds = 2; |
1364 | mdata->commands = bfd_alloc (abfd, mdata->header.ncmds | |
154a1ee5 TG |
1365 | * sizeof (bfd_mach_o_load_command)); |
1366 | if (mdata->commands == NULL) | |
1367 | return FALSE; | |
c2f09c75 TG |
1368 | cmd = &mdata->commands[0]; |
1369 | seg = &cmd->command.segment; | |
1370 | ||
154a1ee5 | 1371 | seg->nsects = bfd_count_sections (abfd); |
154a1ee5 TG |
1372 | |
1373 | /* Set segment command. */ | |
1374 | if (wide) | |
1375 | { | |
c2f09c75 TG |
1376 | cmd->type = BFD_MACH_O_LC_SEGMENT_64; |
1377 | cmd->offset = BFD_MACH_O_HEADER_64_SIZE; | |
1378 | cmd->len = BFD_MACH_O_LC_SEGMENT_64_SIZE | |
154a1ee5 TG |
1379 | + BFD_MACH_O_SECTION_64_SIZE * seg->nsects; |
1380 | } | |
1381 | else | |
1382 | { | |
c2f09c75 TG |
1383 | cmd->type = BFD_MACH_O_LC_SEGMENT; |
1384 | cmd->offset = BFD_MACH_O_HEADER_SIZE; | |
1385 | cmd->len = BFD_MACH_O_LC_SEGMENT_SIZE | |
154a1ee5 TG |
1386 | + BFD_MACH_O_SECTION_SIZE * seg->nsects; |
1387 | } | |
c2f09c75 TG |
1388 | cmd->type_required = FALSE; |
1389 | mdata->header.sizeofcmds = cmd->len; | |
92bc0e80 | 1390 | mdata->filelen = cmd->offset + cmd->len; |
154a1ee5 | 1391 | |
c2f09c75 TG |
1392 | /* Set symtab command. */ |
1393 | symtab_cmd = &mdata->commands[1]; | |
1394 | ||
1395 | symtab_cmd->type = BFD_MACH_O_LC_SYMTAB; | |
1396 | symtab_cmd->offset = cmd->offset + cmd->len; | |
1397 | symtab_cmd->len = 6 * 4; | |
1398 | symtab_cmd->type_required = FALSE; | |
1399 | ||
1400 | mdata->header.sizeofcmds += symtab_cmd->len; | |
92bc0e80 | 1401 | mdata->filelen += symtab_cmd->len; |
c2f09c75 TG |
1402 | |
1403 | /* Fill segment command. */ | |
154a1ee5 TG |
1404 | memset (seg->segname, 0, sizeof (seg->segname)); |
1405 | seg->vmaddr = 0; | |
92bc0e80 | 1406 | seg->fileoff = mdata->filelen; |
154a1ee5 TG |
1407 | seg->filesize = 0; |
1408 | seg->maxprot = BFD_MACH_O_PROT_READ | BFD_MACH_O_PROT_WRITE | |
1409 | | BFD_MACH_O_PROT_EXECUTE; | |
1410 | seg->initprot = seg->maxprot; | |
1411 | seg->flags = 0; | |
7ba695a9 TG |
1412 | seg->sect_head = NULL; |
1413 | seg->sect_tail = NULL; | |
154a1ee5 TG |
1414 | |
1415 | /* Create Mach-O sections. */ | |
c2f09c75 | 1416 | target_index = 0; |
154a1ee5 TG |
1417 | for (sec = abfd->sections; sec; sec = sec->next) |
1418 | { | |
f1bde64c | 1419 | bfd_mach_o_section *msect = bfd_mach_o_get_mach_o_section (sec); |
c2f09c75 | 1420 | |
f1bde64c TG |
1421 | bfd_mach_o_append_section_to_segment (seg, sec); |
1422 | ||
1423 | if (msect->flags == 0) | |
92bc0e80 | 1424 | { |
f1bde64c TG |
1425 | /* We suppose it hasn't been set. Convert from BFD flags. */ |
1426 | bfd_mach_o_set_section_flags_from_bfd (abfd, sec); | |
1427 | } | |
1428 | msect->addr = bfd_get_section_vma (abfd, sec); | |
1429 | msect->size = bfd_get_section_size (sec); | |
1430 | msect->align = bfd_get_section_alignment (abfd, sec); | |
1431 | ||
1432 | if (msect->size != 0) | |
1433 | { | |
1434 | mdata->filelen = FILE_ALIGN (mdata->filelen, msect->align); | |
1435 | msect->offset = mdata->filelen; | |
92bc0e80 TG |
1436 | } |
1437 | else | |
f1bde64c TG |
1438 | msect->offset = 0; |
1439 | ||
1440 | sec->filepos = msect->offset; | |
c2f09c75 | 1441 | sec->target_index = ++target_index; |
154a1ee5 | 1442 | |
f1bde64c | 1443 | mdata->filelen += msect->size; |
154a1ee5 | 1444 | } |
92bc0e80 | 1445 | seg->filesize = mdata->filelen - seg->fileoff; |
154a1ee5 TG |
1446 | seg->vmsize = seg->filesize; |
1447 | ||
1448 | return TRUE; | |
1449 | } | |
1450 | ||
1451 | /* Set the contents of a section. */ | |
1452 | ||
1453 | bfd_boolean | |
1454 | bfd_mach_o_set_section_contents (bfd *abfd, | |
1455 | asection *section, | |
1456 | const void * location, | |
1457 | file_ptr offset, | |
1458 | bfd_size_type count) | |
1459 | { | |
1460 | file_ptr pos; | |
1461 | ||
1462 | /* This must be done first, because bfd_set_section_contents is | |
1463 | going to set output_has_begun to TRUE. */ | |
1464 | if (! abfd->output_has_begun && ! bfd_mach_o_build_commands (abfd)) | |
1465 | return FALSE; | |
1466 | ||
1467 | if (count == 0) | |
1468 | return TRUE; | |
1469 | ||
1470 | pos = section->filepos + offset; | |
1471 | if (bfd_seek (abfd, pos, SEEK_SET) != 0 | |
1472 | || bfd_bwrite (location, count, abfd) != count) | |
1473 | return FALSE; | |
1474 | ||
1475 | return TRUE; | |
1476 | } | |
1477 | ||
1478 | int | |
116c20d2 | 1479 | bfd_mach_o_sizeof_headers (bfd *a ATTRIBUTE_UNUSED, |
a6b96beb | 1480 | struct bfd_link_info *info ATTRIBUTE_UNUSED) |
3af9a47b NC |
1481 | { |
1482 | return 0; | |
1483 | } | |
1484 | ||
1485 | /* Make an empty symbol. This is required only because | |
1486 | bfd_make_section_anyway wants to create a symbol for the section. */ | |
1487 | ||
154a1ee5 | 1488 | asymbol * |
116c20d2 | 1489 | bfd_mach_o_make_empty_symbol (bfd *abfd) |
3af9a47b | 1490 | { |
d3ce72d0 NC |
1491 | asymbol *new_symbol; |
1492 | ||
1493 | new_symbol = bfd_zalloc (abfd, sizeof (bfd_mach_o_asymbol)); | |
1494 | if (new_symbol == NULL) | |
1495 | return new_symbol; | |
1496 | new_symbol->the_bfd = abfd; | |
1497 | new_symbol->udata.i = 0; | |
1498 | return new_symbol; | |
3af9a47b NC |
1499 | } |
1500 | ||
154a1ee5 | 1501 | static bfd_boolean |
116c20d2 | 1502 | bfd_mach_o_read_header (bfd *abfd, bfd_mach_o_header *header) |
3af9a47b | 1503 | { |
46d1c23b | 1504 | struct mach_o_header_external raw; |
1e8a024a | 1505 | unsigned int size; |
edeb6e24 | 1506 | bfd_vma (*get32) (const void *) = NULL; |
3af9a47b | 1507 | |
1e8a024a | 1508 | /* Just read the magic number. */ |
c2f09c75 | 1509 | if (bfd_seek (abfd, 0, SEEK_SET) != 0 |
46d1c23b | 1510 | || bfd_bread (raw.magic, sizeof (raw.magic), abfd) != 4) |
154a1ee5 | 1511 | return FALSE; |
3af9a47b | 1512 | |
46d1c23b | 1513 | if (bfd_getb32 (raw.magic) == BFD_MACH_O_MH_MAGIC) |
3af9a47b NC |
1514 | { |
1515 | header->byteorder = BFD_ENDIAN_BIG; | |
154a1ee5 | 1516 | header->magic = BFD_MACH_O_MH_MAGIC; |
1e8a024a | 1517 | header->version = 1; |
3af9a47b NC |
1518 | get32 = bfd_getb32; |
1519 | } | |
46d1c23b | 1520 | else if (bfd_getl32 (raw.magic) == BFD_MACH_O_MH_MAGIC) |
3af9a47b | 1521 | { |
a95a4550 | 1522 | header->byteorder = BFD_ENDIAN_LITTLE; |
154a1ee5 | 1523 | header->magic = BFD_MACH_O_MH_MAGIC; |
1e8a024a TG |
1524 | header->version = 1; |
1525 | get32 = bfd_getl32; | |
1526 | } | |
46d1c23b | 1527 | else if (bfd_getb32 (raw.magic) == BFD_MACH_O_MH_MAGIC_64) |
1e8a024a TG |
1528 | { |
1529 | header->byteorder = BFD_ENDIAN_BIG; | |
154a1ee5 | 1530 | header->magic = BFD_MACH_O_MH_MAGIC_64; |
1e8a024a TG |
1531 | header->version = 2; |
1532 | get32 = bfd_getb32; | |
1533 | } | |
46d1c23b | 1534 | else if (bfd_getl32 (raw.magic) == BFD_MACH_O_MH_MAGIC_64) |
1e8a024a TG |
1535 | { |
1536 | header->byteorder = BFD_ENDIAN_LITTLE; | |
154a1ee5 | 1537 | header->magic = BFD_MACH_O_MH_MAGIC_64; |
1e8a024a | 1538 | header->version = 2; |
3af9a47b NC |
1539 | get32 = bfd_getl32; |
1540 | } | |
1541 | else | |
1542 | { | |
1543 | header->byteorder = BFD_ENDIAN_UNKNOWN; | |
154a1ee5 | 1544 | return FALSE; |
3af9a47b | 1545 | } |
a95a4550 | 1546 | |
1e8a024a | 1547 | /* Once the size of the header is known, read the full header. */ |
c2f09c75 | 1548 | size = mach_o_wide_p (header) ? |
154a1ee5 | 1549 | BFD_MACH_O_HEADER_64_SIZE : BFD_MACH_O_HEADER_SIZE; |
1e8a024a | 1550 | |
c2f09c75 | 1551 | if (bfd_seek (abfd, 0, SEEK_SET) != 0 |
46d1c23b | 1552 | || bfd_bread (&raw, size, abfd) != size) |
154a1ee5 | 1553 | return FALSE; |
1e8a024a | 1554 | |
46d1c23b TG |
1555 | header->cputype = (*get32) (raw.cputype); |
1556 | header->cpusubtype = (*get32) (raw.cpusubtype); | |
1557 | header->filetype = (*get32) (raw.filetype); | |
1558 | header->ncmds = (*get32) (raw.ncmds); | |
1559 | header->sizeofcmds = (*get32) (raw.sizeofcmds); | |
1560 | header->flags = (*get32) (raw.flags); | |
3af9a47b | 1561 | |
c2f09c75 | 1562 | if (mach_o_wide_p (header)) |
46d1c23b | 1563 | header->reserved = (*get32) (raw.reserved); |
1e8a024a | 1564 | |
154a1ee5 | 1565 | return TRUE; |
3af9a47b NC |
1566 | } |
1567 | ||
f1bde64c TG |
1568 | bfd_boolean |
1569 | bfd_mach_o_new_section_hook (bfd *abfd, asection *sec) | |
1570 | { | |
1571 | bfd_mach_o_section *s; | |
1572 | ||
1573 | s = bfd_mach_o_get_mach_o_section (sec); | |
1574 | if (s == NULL) | |
1575 | { | |
1576 | flagword bfd_flags; | |
1577 | ||
1578 | s = (bfd_mach_o_section *) bfd_zalloc (abfd, sizeof (*s)); | |
1579 | if (s == NULL) | |
1580 | return FALSE; | |
1581 | sec->used_by_bfd = s; | |
1582 | s->bfdsection = sec; | |
1583 | ||
1584 | /* Create default name. */ | |
1585 | bfd_mach_o_convert_section_name_to_mach_o (abfd, sec, s); | |
1586 | ||
1587 | /* Create default flags. */ | |
1588 | bfd_flags = bfd_get_section_flags (abfd, sec); | |
1589 | if ((bfd_flags & SEC_CODE) == SEC_CODE) | |
1590 | s->flags = BFD_MACH_O_S_ATTR_PURE_INSTRUCTIONS | |
1591 | | BFD_MACH_O_S_ATTR_SOME_INSTRUCTIONS | |
1592 | | BFD_MACH_O_S_REGULAR; | |
1593 | else if ((bfd_flags & (SEC_ALLOC | SEC_LOAD)) == SEC_ALLOC) | |
1594 | s->flags = BFD_MACH_O_S_ZEROFILL; | |
1595 | else if (bfd_flags & SEC_DEBUGGING) | |
1596 | s->flags = BFD_MACH_O_S_REGULAR | BFD_MACH_O_S_ATTR_DEBUG; | |
1597 | else | |
1598 | s->flags = BFD_MACH_O_S_REGULAR; | |
1599 | } | |
1600 | ||
1601 | return _bfd_generic_new_section_hook (abfd, sec); | |
1602 | } | |
1603 | ||
1604 | static void | |
1605 | bfd_mach_o_init_section_from_mach_o (bfd *abfd, asection *sec, | |
1606 | unsigned long prot) | |
3af9a47b | 1607 | { |
117ed4f8 | 1608 | flagword flags; |
f1bde64c | 1609 | bfd_mach_o_section *section; |
3af9a47b | 1610 | |
f1bde64c TG |
1611 | flags = bfd_get_section_flags (abfd, sec); |
1612 | section = bfd_mach_o_get_mach_o_section (sec); | |
3af9a47b | 1613 | |
8462aec7 | 1614 | if (flags == SEC_NO_FLAGS) |
ef17cb22 | 1615 | { |
8462aec7 TG |
1616 | /* Try to guess flags. */ |
1617 | if (section->flags & BFD_MACH_O_S_ATTR_DEBUG) | |
1618 | flags = SEC_DEBUGGING; | |
1619 | else | |
1620 | { | |
1621 | flags = SEC_ALLOC; | |
1622 | if ((section->flags & BFD_MACH_O_SECTION_TYPE_MASK) | |
1623 | != BFD_MACH_O_S_ZEROFILL) | |
1624 | { | |
1625 | flags |= SEC_LOAD; | |
1626 | if (prot & BFD_MACH_O_PROT_EXECUTE) | |
1627 | flags |= SEC_CODE; | |
1628 | if (prot & BFD_MACH_O_PROT_WRITE) | |
1629 | flags |= SEC_DATA; | |
1630 | else if (prot & BFD_MACH_O_PROT_READ) | |
1631 | flags |= SEC_READONLY; | |
1632 | } | |
1633 | } | |
ef17cb22 | 1634 | } |
15e1c58a TG |
1635 | else |
1636 | { | |
8462aec7 TG |
1637 | if ((flags & SEC_DEBUGGING) == 0) |
1638 | flags |= SEC_ALLOC; | |
15e1c58a | 1639 | } |
8462aec7 TG |
1640 | |
1641 | if (section->offset != 0) | |
1642 | flags |= SEC_HAS_CONTENTS; | |
92bc0e80 TG |
1643 | if (section->nreloc != 0) |
1644 | flags |= SEC_RELOC; | |
1645 | ||
f1bde64c TG |
1646 | bfd_set_section_flags (abfd, sec, flags); |
1647 | ||
1648 | sec->vma = section->addr; | |
1649 | sec->lma = section->addr; | |
1650 | sec->size = section->size; | |
1651 | sec->filepos = section->offset; | |
1652 | sec->alignment_power = section->align; | |
1653 | sec->segment_mark = 0; | |
1654 | sec->reloc_count = section->nreloc; | |
1655 | sec->rel_filepos = section->reloff; | |
1656 | } | |
1657 | ||
1658 | static asection * | |
1659 | bfd_mach_o_make_bfd_section (bfd *abfd, | |
1660 | const unsigned char *segname, | |
1661 | const unsigned char *sectname) | |
1662 | { | |
1663 | const char *sname; | |
1664 | flagword flags; | |
a95a4550 | 1665 | |
f1bde64c TG |
1666 | bfd_mach_o_convert_section_name_to_bfd |
1667 | (abfd, (const char *)segname, (const char *)sectname, &sname, &flags); | |
1668 | if (sname == NULL) | |
1669 | return NULL; | |
3af9a47b | 1670 | |
f1bde64c | 1671 | return bfd_make_section_anyway_with_flags (abfd, sname, flags); |
3af9a47b NC |
1672 | } |
1673 | ||
f1bde64c | 1674 | static asection * |
ab273af8 | 1675 | bfd_mach_o_read_section_32 (bfd *abfd, |
ab273af8 TG |
1676 | unsigned int offset, |
1677 | unsigned long prot) | |
3af9a47b | 1678 | { |
46d1c23b | 1679 | struct mach_o_section_32_external raw; |
f1bde64c TG |
1680 | asection *sec; |
1681 | bfd_mach_o_section *section; | |
3af9a47b | 1682 | |
c2f09c75 | 1683 | if (bfd_seek (abfd, offset, SEEK_SET) != 0 |
46d1c23b | 1684 | || (bfd_bread (&raw, BFD_MACH_O_SECTION_SIZE, abfd) |
c2f09c75 | 1685 | != BFD_MACH_O_SECTION_SIZE)) |
f1bde64c | 1686 | return NULL; |
a95a4550 | 1687 | |
5a5cbf72 | 1688 | sec = bfd_mach_o_make_bfd_section (abfd, raw.segname, raw.sectname); |
f1bde64c TG |
1689 | if (sec == NULL) |
1690 | return NULL; | |
1691 | ||
1692 | section = bfd_mach_o_get_mach_o_section (sec); | |
1693 | memcpy (section->segname, raw.segname, sizeof (raw.segname)); | |
1694 | section->segname[BFD_MACH_O_SEGNAME_SIZE] = 0; | |
1695 | memcpy (section->sectname, raw.sectname, sizeof (raw.sectname)); | |
1696 | section->segname[BFD_MACH_O_SECTNAME_SIZE] = 0; | |
46d1c23b TG |
1697 | section->addr = bfd_h_get_32 (abfd, raw.addr); |
1698 | section->size = bfd_h_get_32 (abfd, raw.size); | |
1699 | section->offset = bfd_h_get_32 (abfd, raw.offset); | |
1700 | section->align = bfd_h_get_32 (abfd, raw.align); | |
1701 | section->reloff = bfd_h_get_32 (abfd, raw.reloff); | |
1702 | section->nreloc = bfd_h_get_32 (abfd, raw.nreloc); | |
1703 | section->flags = bfd_h_get_32 (abfd, raw.flags); | |
1704 | section->reserved1 = bfd_h_get_32 (abfd, raw.reserved1); | |
1705 | section->reserved2 = bfd_h_get_32 (abfd, raw.reserved2); | |
1e8a024a | 1706 | section->reserved3 = 0; |
1e8a024a | 1707 | |
f1bde64c | 1708 | bfd_mach_o_init_section_from_mach_o (abfd, sec, prot); |
1e8a024a | 1709 | |
f1bde64c | 1710 | return sec; |
1e8a024a TG |
1711 | } |
1712 | ||
f1bde64c | 1713 | static asection * |
ab273af8 | 1714 | bfd_mach_o_read_section_64 (bfd *abfd, |
ab273af8 TG |
1715 | unsigned int offset, |
1716 | unsigned long prot) | |
1e8a024a | 1717 | { |
46d1c23b | 1718 | struct mach_o_section_64_external raw; |
f1bde64c TG |
1719 | asection *sec; |
1720 | bfd_mach_o_section *section; | |
1e8a024a | 1721 | |
c2f09c75 | 1722 | if (bfd_seek (abfd, offset, SEEK_SET) != 0 |
46d1c23b | 1723 | || (bfd_bread (&raw, BFD_MACH_O_SECTION_64_SIZE, abfd) |
c2f09c75 | 1724 | != BFD_MACH_O_SECTION_64_SIZE)) |
f1bde64c TG |
1725 | return NULL; |
1726 | ||
5a5cbf72 | 1727 | sec = bfd_mach_o_make_bfd_section (abfd, raw.segname, raw.sectname); |
f1bde64c TG |
1728 | if (sec == NULL) |
1729 | return NULL; | |
1e8a024a | 1730 | |
f1bde64c TG |
1731 | section = bfd_mach_o_get_mach_o_section (sec); |
1732 | memcpy (section->segname, raw.segname, sizeof (raw.segname)); | |
1733 | section->segname[BFD_MACH_O_SEGNAME_SIZE] = 0; | |
1734 | memcpy (section->sectname, raw.sectname, sizeof (raw.sectname)); | |
1735 | section->segname[BFD_MACH_O_SECTNAME_SIZE] = 0; | |
46d1c23b TG |
1736 | section->addr = bfd_h_get_64 (abfd, raw.addr); |
1737 | section->size = bfd_h_get_64 (abfd, raw.size); | |
1738 | section->offset = bfd_h_get_32 (abfd, raw.offset); | |
1739 | section->align = bfd_h_get_32 (abfd, raw.align); | |
1740 | section->reloff = bfd_h_get_32 (abfd, raw.reloff); | |
1741 | section->nreloc = bfd_h_get_32 (abfd, raw.nreloc); | |
1742 | section->flags = bfd_h_get_32 (abfd, raw.flags); | |
1743 | section->reserved1 = bfd_h_get_32 (abfd, raw.reserved1); | |
1744 | section->reserved2 = bfd_h_get_32 (abfd, raw.reserved2); | |
1745 | section->reserved3 = bfd_h_get_32 (abfd, raw.reserved3); | |
3af9a47b | 1746 | |
f1bde64c | 1747 | bfd_mach_o_init_section_from_mach_o (abfd, sec, prot); |
3af9a47b | 1748 | |
f1bde64c | 1749 | return sec; |
3af9a47b NC |
1750 | } |
1751 | ||
f1bde64c | 1752 | static asection * |
ab273af8 | 1753 | bfd_mach_o_read_section (bfd *abfd, |
ab273af8 TG |
1754 | unsigned int offset, |
1755 | unsigned long prot, | |
1756 | unsigned int wide) | |
1e8a024a TG |
1757 | { |
1758 | if (wide) | |
f1bde64c | 1759 | return bfd_mach_o_read_section_64 (abfd, offset, prot); |
1e8a024a | 1760 | else |
f1bde64c | 1761 | return bfd_mach_o_read_section_32 (abfd, offset, prot); |
1e8a024a TG |
1762 | } |
1763 | ||
046b007d | 1764 | static int |
ab273af8 TG |
1765 | bfd_mach_o_read_symtab_symbol (bfd *abfd, |
1766 | bfd_mach_o_symtab_command *sym, | |
1767 | bfd_mach_o_asymbol *s, | |
1768 | unsigned long i) | |
3af9a47b | 1769 | { |
046b007d | 1770 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
c2f09c75 | 1771 | unsigned int wide = mach_o_wide_p (&mdata->header); |
046b007d TG |
1772 | unsigned int symwidth = |
1773 | wide ? BFD_MACH_O_NLIST_64_SIZE : BFD_MACH_O_NLIST_SIZE; | |
92bc0e80 | 1774 | unsigned int symoff = sym->symoff + (i * symwidth); |
46d1c23b | 1775 | struct mach_o_nlist_64_external raw; |
3af9a47b NC |
1776 | unsigned char type = -1; |
1777 | unsigned char section = -1; | |
1778 | short desc = -1; | |
1e8a024a | 1779 | symvalue value = -1; |
3af9a47b NC |
1780 | unsigned long stroff = -1; |
1781 | unsigned int symtype = -1; | |
1782 | ||
1783 | BFD_ASSERT (sym->strtab != NULL); | |
1784 | ||
c2f09c75 | 1785 | if (bfd_seek (abfd, symoff, SEEK_SET) != 0 |
46d1c23b | 1786 | || bfd_bread (&raw, symwidth, abfd) != symwidth) |
3af9a47b | 1787 | { |
46d1c23b TG |
1788 | (*_bfd_error_handler) |
1789 | (_("bfd_mach_o_read_symtab_symbol: unable to read %d bytes at %lu"), | |
1790 | symwidth, (unsigned long) symoff); | |
3af9a47b NC |
1791 | return -1; |
1792 | } | |
1793 | ||
46d1c23b TG |
1794 | stroff = bfd_h_get_32 (abfd, raw.n_strx); |
1795 | type = bfd_h_get_8 (abfd, raw.n_type); | |
c2f09c75 | 1796 | symtype = type & BFD_MACH_O_N_TYPE; |
46d1c23b TG |
1797 | section = bfd_h_get_8 (abfd, raw.n_sect); |
1798 | desc = bfd_h_get_16 (abfd, raw.n_desc); | |
1e8a024a | 1799 | if (wide) |
46d1c23b | 1800 | value = bfd_h_get_64 (abfd, raw.n_value); |
1e8a024a | 1801 | else |
46d1c23b | 1802 | value = bfd_h_get_32 (abfd, raw.n_value); |
3af9a47b NC |
1803 | |
1804 | if (stroff >= sym->strsize) | |
1805 | { | |
46d1c23b TG |
1806 | (*_bfd_error_handler) |
1807 | (_("bfd_mach_o_read_symtab_symbol: name out of range (%lu >= %lu)"), | |
1808 | (unsigned long) stroff, | |
1809 | (unsigned long) sym->strsize); | |
a95a4550 | 1810 | return -1; |
3af9a47b NC |
1811 | } |
1812 | ||
92bc0e80 TG |
1813 | s->symbol.the_bfd = abfd; |
1814 | s->symbol.name = sym->strtab + stroff; | |
1815 | s->symbol.value = value; | |
1816 | s->symbol.flags = 0x0; | |
1817 | s->symbol.udata.i = 0; | |
1818 | s->n_type = type; | |
1819 | s->n_sect = section; | |
1820 | s->n_desc = desc; | |
3af9a47b NC |
1821 | |
1822 | if (type & BFD_MACH_O_N_STAB) | |
1823 | { | |
92bc0e80 TG |
1824 | s->symbol.flags |= BSF_DEBUGGING; |
1825 | s->symbol.section = bfd_und_section_ptr; | |
15e1c58a TG |
1826 | switch (type) |
1827 | { | |
1828 | case N_FUN: | |
1829 | case N_STSYM: | |
1830 | case N_LCSYM: | |
1831 | case N_BNSYM: | |
1832 | case N_SLINE: | |
1833 | case N_ENSYM: | |
1834 | case N_ECOMM: | |
1835 | case N_ECOML: | |
1836 | case N_GSYM: | |
1837 | if ((section > 0) && (section <= mdata->nsects)) | |
1838 | { | |
92bc0e80 TG |
1839 | s->symbol.section = mdata->sections[section - 1]->bfdsection; |
1840 | s->symbol.value = | |
1841 | s->symbol.value - mdata->sections[section - 1]->addr; | |
15e1c58a TG |
1842 | } |
1843 | break; | |
1844 | } | |
3af9a47b NC |
1845 | } |
1846 | else | |
1847 | { | |
1848 | if (type & BFD_MACH_O_N_PEXT) | |
92bc0e80 | 1849 | s->symbol.flags |= BSF_GLOBAL; |
c2f09c75 | 1850 | |
3af9a47b | 1851 | if (type & BFD_MACH_O_N_EXT) |
92bc0e80 | 1852 | s->symbol.flags |= BSF_GLOBAL; |
15e1c58a TG |
1853 | |
1854 | if (!(type & (BFD_MACH_O_N_PEXT | BFD_MACH_O_N_EXT))) | |
92bc0e80 | 1855 | s->symbol.flags |= BSF_LOCAL; |
3af9a47b NC |
1856 | |
1857 | switch (symtype) | |
1858 | { | |
1859 | case BFD_MACH_O_N_UNDF: | |
c2f09c75 | 1860 | if (type == (BFD_MACH_O_N_UNDF | BFD_MACH_O_N_EXT) |
92bc0e80 | 1861 | && s->symbol.value != 0) |
c2f09c75 TG |
1862 | { |
1863 | /* A common symbol. */ | |
92bc0e80 TG |
1864 | s->symbol.section = bfd_com_section_ptr; |
1865 | s->symbol.flags = BSF_NO_FLAGS; | |
c2f09c75 TG |
1866 | } |
1867 | else | |
92bc0e80 TG |
1868 | { |
1869 | s->symbol.section = bfd_und_section_ptr; | |
1870 | if (s->n_desc & BFD_MACH_O_N_WEAK_REF) | |
1871 | s->symbol.flags |= BSF_WEAK; | |
1872 | } | |
3af9a47b NC |
1873 | break; |
1874 | case BFD_MACH_O_N_PBUD: | |
92bc0e80 | 1875 | s->symbol.section = bfd_und_section_ptr; |
3af9a47b NC |
1876 | break; |
1877 | case BFD_MACH_O_N_ABS: | |
92bc0e80 | 1878 | s->symbol.section = bfd_abs_section_ptr; |
3af9a47b NC |
1879 | break; |
1880 | case BFD_MACH_O_N_SECT: | |
1881 | if ((section > 0) && (section <= mdata->nsects)) | |
1882 | { | |
92bc0e80 TG |
1883 | s->symbol.section = mdata->sections[section - 1]->bfdsection; |
1884 | s->symbol.value = | |
1885 | s->symbol.value - mdata->sections[section - 1]->addr; | |
3af9a47b NC |
1886 | } |
1887 | else | |
1888 | { | |
1889 | /* Mach-O uses 0 to mean "no section"; not an error. */ | |
1890 | if (section != 0) | |
1891 | { | |
4a97a0e5 AM |
1892 | (*_bfd_error_handler) (_("bfd_mach_o_read_symtab_symbol: " |
1893 | "symbol \"%s\" specified invalid section %d (max %lu): setting to undefined"), | |
1894 | s->symbol.name, section, mdata->nsects); | |
3af9a47b | 1895 | } |
92bc0e80 | 1896 | s->symbol.section = bfd_und_section_ptr; |
3af9a47b NC |
1897 | } |
1898 | break; | |
1899 | case BFD_MACH_O_N_INDR: | |
4a97a0e5 AM |
1900 | (*_bfd_error_handler) (_("bfd_mach_o_read_symtab_symbol: " |
1901 | "symbol \"%s\" is unsupported 'indirect' reference: setting to undefined"), | |
1902 | s->symbol.name); | |
92bc0e80 | 1903 | s->symbol.section = bfd_und_section_ptr; |
3af9a47b NC |
1904 | break; |
1905 | default: | |
4a97a0e5 AM |
1906 | (*_bfd_error_handler) (_("bfd_mach_o_read_symtab_symbol: " |
1907 | "symbol \"%s\" specified invalid type field 0x%x: setting to undefined"), | |
1908 | s->symbol.name, symtype); | |
92bc0e80 | 1909 | s->symbol.section = bfd_und_section_ptr; |
3af9a47b NC |
1910 | break; |
1911 | } | |
1912 | } | |
1913 | ||
1914 | return 0; | |
1915 | } | |
1916 | ||
046b007d | 1917 | static int |
ab273af8 | 1918 | bfd_mach_o_read_symtab_strtab (bfd *abfd) |
3af9a47b | 1919 | { |
046b007d TG |
1920 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
1921 | bfd_mach_o_symtab_command *sym = mdata->symtab; | |
1922 | ||
1923 | /* Fail if there is no symtab. */ | |
1924 | if (sym == NULL) | |
1925 | return -1; | |
1926 | ||
1927 | /* Success if already loaded. */ | |
1928 | if (sym->strtab) | |
1929 | return 0; | |
3af9a47b NC |
1930 | |
1931 | if (abfd->flags & BFD_IN_MEMORY) | |
1932 | { | |
1933 | struct bfd_in_memory *b; | |
1934 | ||
1935 | b = (struct bfd_in_memory *) abfd->iostream; | |
1936 | ||
1937 | if ((sym->stroff + sym->strsize) > b->size) | |
1938 | { | |
1939 | bfd_set_error (bfd_error_file_truncated); | |
1940 | return -1; | |
1941 | } | |
f075ee0c | 1942 | sym->strtab = (char *) b->buffer + sym->stroff; |
3af9a47b | 1943 | } |
046b007d | 1944 | else |
3af9a47b | 1945 | { |
046b007d TG |
1946 | sym->strtab = bfd_alloc (abfd, sym->strsize); |
1947 | if (sym->strtab == NULL) | |
1948 | return -1; | |
1949 | ||
1950 | if (bfd_seek (abfd, sym->stroff, SEEK_SET) != 0 | |
91d6fa6a | 1951 | || bfd_bread ((void *) sym->strtab, sym->strsize, abfd) != sym->strsize) |
046b007d TG |
1952 | { |
1953 | bfd_set_error (bfd_error_file_truncated); | |
1954 | return -1; | |
1955 | } | |
3af9a47b NC |
1956 | } |
1957 | ||
1958 | return 0; | |
1959 | } | |
1960 | ||
046b007d | 1961 | static int |
ab273af8 | 1962 | bfd_mach_o_read_symtab_symbols (bfd *abfd) |
3af9a47b | 1963 | { |
046b007d TG |
1964 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
1965 | bfd_mach_o_symtab_command *sym = mdata->symtab; | |
3af9a47b NC |
1966 | unsigned long i; |
1967 | int ret; | |
1968 | ||
092d27ff TG |
1969 | if (sym == NULL || sym->symbols) |
1970 | { | |
1971 | /* Return now if there are no symbols or if already loaded. */ | |
1972 | return 0; | |
1973 | } | |
046b007d | 1974 | |
92bc0e80 | 1975 | sym->symbols = bfd_alloc (abfd, sym->nsyms * sizeof (bfd_mach_o_asymbol)); |
3af9a47b NC |
1976 | |
1977 | if (sym->symbols == NULL) | |
1978 | { | |
4a97a0e5 | 1979 | (*_bfd_error_handler) (_("bfd_mach_o_read_symtab_symbols: unable to allocate memory for symbols")); |
a95a4550 | 1980 | return -1; |
3af9a47b | 1981 | } |
a95a4550 | 1982 | |
ab273af8 | 1983 | ret = bfd_mach_o_read_symtab_strtab (abfd); |
3af9a47b NC |
1984 | if (ret != 0) |
1985 | return ret; | |
1986 | ||
1987 | for (i = 0; i < sym->nsyms; i++) | |
1988 | { | |
ab273af8 | 1989 | ret = bfd_mach_o_read_symtab_symbol (abfd, sym, &sym->symbols[i], i); |
3af9a47b NC |
1990 | if (ret != 0) |
1991 | return ret; | |
1992 | } | |
a95a4550 | 1993 | |
3af9a47b NC |
1994 | return 0; |
1995 | } | |
1996 | ||
1997 | int | |
ab273af8 TG |
1998 | bfd_mach_o_read_dysymtab_symbol (bfd *abfd, |
1999 | bfd_mach_o_dysymtab_command *dysym, | |
2000 | bfd_mach_o_symtab_command *sym, | |
2001 | bfd_mach_o_asymbol *s, | |
2002 | unsigned long i) | |
3af9a47b NC |
2003 | { |
2004 | unsigned long isymoff = dysym->indirectsymoff + (i * 4); | |
91d6fa6a | 2005 | unsigned long sym_index; |
46d1c23b | 2006 | unsigned char raw[4]; |
3af9a47b NC |
2007 | |
2008 | BFD_ASSERT (i < dysym->nindirectsyms); | |
a95a4550 | 2009 | |
c2f09c75 | 2010 | if (bfd_seek (abfd, isymoff, SEEK_SET) != 0 |
46d1c23b | 2011 | || bfd_bread (raw, sizeof (raw), abfd) != sizeof (raw)) |
3af9a47b | 2012 | { |
46d1c23b TG |
2013 | (*_bfd_error_handler) |
2014 | (_("bfd_mach_o_read_dysymtab_symbol: unable to read %lu bytes at %lu"), | |
2015 | (unsigned long) sizeof (raw), isymoff); | |
3af9a47b NC |
2016 | return -1; |
2017 | } | |
46d1c23b | 2018 | sym_index = bfd_h_get_32 (abfd, raw); |
a95a4550 | 2019 | |
91d6fa6a | 2020 | return bfd_mach_o_read_symtab_symbol (abfd, sym, s, sym_index); |
3af9a47b NC |
2021 | } |
2022 | ||
2023 | static const char * | |
116c20d2 | 2024 | bfd_mach_o_i386_flavour_string (unsigned int flavour) |
3af9a47b NC |
2025 | { |
2026 | switch ((int) flavour) | |
2027 | { | |
15e1c58a TG |
2028 | case BFD_MACH_O_x86_THREAD_STATE32: return "x86_THREAD_STATE32"; |
2029 | case BFD_MACH_O_x86_FLOAT_STATE32: return "x86_FLOAT_STATE32"; | |
2030 | case BFD_MACH_O_x86_EXCEPTION_STATE32: return "x86_EXCEPTION_STATE32"; | |
2031 | case BFD_MACH_O_x86_THREAD_STATE64: return "x86_THREAD_STATE64"; | |
2032 | case BFD_MACH_O_x86_FLOAT_STATE64: return "x86_FLOAT_STATE64"; | |
2033 | case BFD_MACH_O_x86_EXCEPTION_STATE64: return "x86_EXCEPTION_STATE64"; | |
2034 | case BFD_MACH_O_x86_THREAD_STATE: return "x86_THREAD_STATE"; | |
2035 | case BFD_MACH_O_x86_FLOAT_STATE: return "x86_FLOAT_STATE"; | |
2036 | case BFD_MACH_O_x86_EXCEPTION_STATE: return "x86_EXCEPTION_STATE"; | |
2037 | case BFD_MACH_O_x86_DEBUG_STATE32: return "x86_DEBUG_STATE32"; | |
2038 | case BFD_MACH_O_x86_DEBUG_STATE64: return "x86_DEBUG_STATE64"; | |
2039 | case BFD_MACH_O_x86_DEBUG_STATE: return "x86_DEBUG_STATE"; | |
b32e07d7 | 2040 | case BFD_MACH_O_x86_THREAD_STATE_NONE: return "x86_THREAD_STATE_NONE"; |
3af9a47b NC |
2041 | default: return "UNKNOWN"; |
2042 | } | |
2043 | } | |
2044 | ||
2045 | static const char * | |
116c20d2 | 2046 | bfd_mach_o_ppc_flavour_string (unsigned int flavour) |
3af9a47b NC |
2047 | { |
2048 | switch ((int) flavour) | |
2049 | { | |
b32e07d7 TG |
2050 | case BFD_MACH_O_PPC_THREAD_STATE: return "PPC_THREAD_STATE"; |
2051 | case BFD_MACH_O_PPC_FLOAT_STATE: return "PPC_FLOAT_STATE"; | |
2052 | case BFD_MACH_O_PPC_EXCEPTION_STATE: return "PPC_EXCEPTION_STATE"; | |
2053 | case BFD_MACH_O_PPC_VECTOR_STATE: return "PPC_VECTOR_STATE"; | |
2054 | case BFD_MACH_O_PPC_THREAD_STATE64: return "PPC_THREAD_STATE64"; | |
2055 | case BFD_MACH_O_PPC_EXCEPTION_STATE64: return "PPC_EXCEPTION_STATE64"; | |
3af9a47b NC |
2056 | default: return "UNKNOWN"; |
2057 | } | |
2058 | } | |
2059 | ||
2060 | static int | |
ab273af8 | 2061 | bfd_mach_o_read_dylinker (bfd *abfd, bfd_mach_o_load_command *command) |
3af9a47b NC |
2062 | { |
2063 | bfd_mach_o_dylinker_command *cmd = &command->command.dylinker; | |
46d1c23b | 2064 | struct mach_o_str_command_external raw; |
3af9a47b | 2065 | unsigned int nameoff; |
3af9a47b NC |
2066 | |
2067 | BFD_ASSERT ((command->type == BFD_MACH_O_LC_ID_DYLINKER) | |
2068 | || (command->type == BFD_MACH_O_LC_LOAD_DYLINKER)); | |
2069 | ||
46d1c23b TG |
2070 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 |
2071 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
3af9a47b NC |
2072 | return -1; |
2073 | ||
46d1c23b | 2074 | nameoff = bfd_h_get_32 (abfd, raw.str); |
3af9a47b NC |
2075 | |
2076 | cmd->name_offset = command->offset + nameoff; | |
2077 | cmd->name_len = command->len - nameoff; | |
b32e07d7 TG |
2078 | cmd->name_str = bfd_alloc (abfd, cmd->name_len); |
2079 | if (cmd->name_str == NULL) | |
3af9a47b | 2080 | return -1; |
b32e07d7 TG |
2081 | if (bfd_seek (abfd, cmd->name_offset, SEEK_SET) != 0 |
2082 | || bfd_bread (cmd->name_str, cmd->name_len, abfd) != cmd->name_len) | |
3af9a47b | 2083 | return -1; |
3af9a47b NC |
2084 | return 0; |
2085 | } | |
2086 | ||
2087 | static int | |
ab273af8 | 2088 | bfd_mach_o_read_dylib (bfd *abfd, bfd_mach_o_load_command *command) |
3af9a47b NC |
2089 | { |
2090 | bfd_mach_o_dylib_command *cmd = &command->command.dylib; | |
46d1c23b | 2091 | struct mach_o_dylib_command_external raw; |
3af9a47b | 2092 | unsigned int nameoff; |
3af9a47b | 2093 | |
046b007d TG |
2094 | switch (command->type) |
2095 | { | |
2096 | case BFD_MACH_O_LC_LOAD_DYLIB: | |
046b007d | 2097 | case BFD_MACH_O_LC_LOAD_WEAK_DYLIB: |
046b007d | 2098 | case BFD_MACH_O_LC_ID_DYLIB: |
046b007d | 2099 | case BFD_MACH_O_LC_REEXPORT_DYLIB: |
046b007d TG |
2100 | break; |
2101 | default: | |
b32e07d7 TG |
2102 | BFD_FAIL (); |
2103 | return -1; | |
046b007d | 2104 | } |
3af9a47b | 2105 | |
46d1c23b TG |
2106 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 |
2107 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
3af9a47b NC |
2108 | return -1; |
2109 | ||
46d1c23b TG |
2110 | nameoff = bfd_h_get_32 (abfd, raw.name); |
2111 | cmd->timestamp = bfd_h_get_32 (abfd, raw.timestamp); | |
2112 | cmd->current_version = bfd_h_get_32 (abfd, raw.current_version); | |
2113 | cmd->compatibility_version = bfd_h_get_32 (abfd, raw.compatibility_version); | |
3af9a47b NC |
2114 | |
2115 | cmd->name_offset = command->offset + nameoff; | |
2116 | cmd->name_len = command->len - nameoff; | |
b32e07d7 TG |
2117 | cmd->name_str = bfd_alloc (abfd, cmd->name_len); |
2118 | if (cmd->name_str == NULL) | |
3af9a47b | 2119 | return -1; |
b32e07d7 TG |
2120 | if (bfd_seek (abfd, cmd->name_offset, SEEK_SET) != 0 |
2121 | || bfd_bread (cmd->name_str, cmd->name_len, abfd) != cmd->name_len) | |
3af9a47b | 2122 | return -1; |
3af9a47b NC |
2123 | return 0; |
2124 | } | |
2125 | ||
2126 | static int | |
ab273af8 TG |
2127 | bfd_mach_o_read_prebound_dylib (bfd *abfd ATTRIBUTE_UNUSED, |
2128 | bfd_mach_o_load_command *command ATTRIBUTE_UNUSED) | |
3af9a47b NC |
2129 | { |
2130 | /* bfd_mach_o_prebound_dylib_command *cmd = &command->command.prebound_dylib; */ | |
2131 | ||
2132 | BFD_ASSERT (command->type == BFD_MACH_O_LC_PREBOUND_DYLIB); | |
2133 | return 0; | |
2134 | } | |
2135 | ||
2136 | static int | |
ab273af8 | 2137 | bfd_mach_o_read_thread (bfd *abfd, bfd_mach_o_load_command *command) |
3af9a47b | 2138 | { |
b32e07d7 | 2139 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
3af9a47b | 2140 | bfd_mach_o_thread_command *cmd = &command->command.thread; |
92bc0e80 | 2141 | unsigned int offset; |
3af9a47b NC |
2142 | unsigned int nflavours; |
2143 | unsigned int i; | |
2144 | ||
2145 | BFD_ASSERT ((command->type == BFD_MACH_O_LC_THREAD) | |
2146 | || (command->type == BFD_MACH_O_LC_UNIXTHREAD)); | |
2147 | ||
b32e07d7 | 2148 | /* Count the number of threads. */ |
3af9a47b NC |
2149 | offset = 8; |
2150 | nflavours = 0; | |
2151 | while (offset != command->len) | |
2152 | { | |
46d1c23b TG |
2153 | struct mach_o_thread_command_external raw; |
2154 | ||
3af9a47b NC |
2155 | if (offset >= command->len) |
2156 | return -1; | |
2157 | ||
c2f09c75 | 2158 | if (bfd_seek (abfd, command->offset + offset, SEEK_SET) != 0 |
46d1c23b | 2159 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) |
3af9a47b NC |
2160 | return -1; |
2161 | ||
46d1c23b | 2162 | offset += sizeof (raw) + bfd_h_get_32 (abfd, raw.count) * 4; |
3af9a47b NC |
2163 | nflavours++; |
2164 | } | |
2165 | ||
b32e07d7 TG |
2166 | /* Allocate threads. */ |
2167 | cmd->flavours = bfd_alloc | |
2168 | (abfd, nflavours * sizeof (bfd_mach_o_thread_flavour)); | |
3af9a47b NC |
2169 | if (cmd->flavours == NULL) |
2170 | return -1; | |
2171 | cmd->nflavours = nflavours; | |
2172 | ||
2173 | offset = 8; | |
2174 | nflavours = 0; | |
2175 | while (offset != command->len) | |
2176 | { | |
46d1c23b TG |
2177 | struct mach_o_thread_command_external raw; |
2178 | ||
3af9a47b NC |
2179 | if (offset >= command->len) |
2180 | return -1; | |
2181 | ||
2182 | if (nflavours >= cmd->nflavours) | |
2183 | return -1; | |
2184 | ||
c2f09c75 | 2185 | if (bfd_seek (abfd, command->offset + offset, SEEK_SET) != 0 |
46d1c23b | 2186 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) |
3af9a47b NC |
2187 | return -1; |
2188 | ||
46d1c23b TG |
2189 | cmd->flavours[nflavours].flavour = bfd_h_get_32 (abfd, raw.flavour); |
2190 | cmd->flavours[nflavours].offset = command->offset + offset + sizeof (raw); | |
2191 | cmd->flavours[nflavours].size = bfd_h_get_32 (abfd, raw.count) * 4; | |
2192 | offset += cmd->flavours[nflavours].size + sizeof (raw); | |
3af9a47b NC |
2193 | nflavours++; |
2194 | } | |
2195 | ||
2196 | for (i = 0; i < nflavours; i++) | |
2197 | { | |
2198 | asection *bfdsec; | |
2199 | unsigned int snamelen; | |
2200 | char *sname; | |
2201 | const char *flavourstr; | |
2202 | const char *prefix = "LC_THREAD"; | |
a95a4550 AM |
2203 | unsigned int j = 0; |
2204 | ||
3af9a47b NC |
2205 | switch (mdata->header.cputype) |
2206 | { | |
2207 | case BFD_MACH_O_CPU_TYPE_POWERPC: | |
1e8a024a | 2208 | case BFD_MACH_O_CPU_TYPE_POWERPC_64: |
3af9a47b NC |
2209 | flavourstr = bfd_mach_o_ppc_flavour_string (cmd->flavours[i].flavour); |
2210 | break; | |
2211 | case BFD_MACH_O_CPU_TYPE_I386: | |
1e8a024a | 2212 | case BFD_MACH_O_CPU_TYPE_X86_64: |
3af9a47b NC |
2213 | flavourstr = bfd_mach_o_i386_flavour_string (cmd->flavours[i].flavour); |
2214 | break; | |
2215 | default: | |
2216 | flavourstr = "UNKNOWN_ARCHITECTURE"; | |
2217 | break; | |
2218 | } | |
a95a4550 | 2219 | |
3af9a47b | 2220 | snamelen = strlen (prefix) + 1 + 20 + 1 + strlen (flavourstr) + 1; |
116c20d2 | 2221 | sname = bfd_alloc (abfd, snamelen); |
3af9a47b NC |
2222 | if (sname == NULL) |
2223 | return -1; | |
2224 | ||
2225 | for (;;) | |
2226 | { | |
a95a4550 AM |
2227 | sprintf (sname, "%s.%s.%u", prefix, flavourstr, j); |
2228 | if (bfd_get_section_by_name (abfd, sname) == NULL) | |
3af9a47b | 2229 | break; |
a95a4550 | 2230 | j++; |
3af9a47b NC |
2231 | } |
2232 | ||
117ed4f8 | 2233 | bfdsec = bfd_make_section_with_flags (abfd, sname, SEC_HAS_CONTENTS); |
a95a4550 | 2234 | |
3af9a47b NC |
2235 | bfdsec->vma = 0; |
2236 | bfdsec->lma = 0; | |
eea6121a | 2237 | bfdsec->size = cmd->flavours[i].size; |
3af9a47b NC |
2238 | bfdsec->filepos = cmd->flavours[i].offset; |
2239 | bfdsec->alignment_power = 0x0; | |
3af9a47b NC |
2240 | |
2241 | cmd->section = bfdsec; | |
2242 | } | |
2243 | ||
2244 | return 0; | |
2245 | } | |
2246 | ||
a95a4550 | 2247 | static int |
ab273af8 | 2248 | bfd_mach_o_read_dysymtab (bfd *abfd, bfd_mach_o_load_command *command) |
3af9a47b | 2249 | { |
046b007d | 2250 | bfd_mach_o_dysymtab_command *cmd = &command->command.dysymtab; |
b32e07d7 | 2251 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
3af9a47b NC |
2252 | |
2253 | BFD_ASSERT (command->type == BFD_MACH_O_LC_DYSYMTAB); | |
2254 | ||
46d1c23b TG |
2255 | { |
2256 | struct mach_o_dysymtab_command_external raw; | |
2257 | ||
2258 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 | |
2259 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
2260 | return -1; | |
3af9a47b | 2261 | |
46d1c23b TG |
2262 | cmd->ilocalsym = bfd_h_get_32 (abfd, raw.ilocalsym); |
2263 | cmd->nlocalsym = bfd_h_get_32 (abfd, raw.nlocalsym); | |
2264 | cmd->iextdefsym = bfd_h_get_32 (abfd, raw.iextdefsym); | |
2265 | cmd->nextdefsym = bfd_h_get_32 (abfd, raw.nextdefsym); | |
2266 | cmd->iundefsym = bfd_h_get_32 (abfd, raw.iundefsym); | |
2267 | cmd->nundefsym = bfd_h_get_32 (abfd, raw.nundefsym); | |
2268 | cmd->tocoff = bfd_h_get_32 (abfd, raw.tocoff); | |
2269 | cmd->ntoc = bfd_h_get_32 (abfd, raw.ntoc); | |
2270 | cmd->modtaboff = bfd_h_get_32 (abfd, raw.modtaboff); | |
2271 | cmd->nmodtab = bfd_h_get_32 (abfd, raw.nmodtab); | |
2272 | cmd->extrefsymoff = bfd_h_get_32 (abfd, raw.extrefsymoff); | |
2273 | cmd->nextrefsyms = bfd_h_get_32 (abfd, raw.nextrefsyms); | |
2274 | cmd->indirectsymoff = bfd_h_get_32 (abfd, raw.indirectsymoff); | |
2275 | cmd->nindirectsyms = bfd_h_get_32 (abfd, raw.nindirectsyms); | |
2276 | cmd->extreloff = bfd_h_get_32 (abfd, raw.extreloff); | |
2277 | cmd->nextrel = bfd_h_get_32 (abfd, raw.nextrel); | |
2278 | cmd->locreloff = bfd_h_get_32 (abfd, raw.locreloff); | |
2279 | cmd->nlocrel = bfd_h_get_32 (abfd, raw.nlocrel); | |
2280 | } | |
046b007d TG |
2281 | |
2282 | if (cmd->nmodtab != 0) | |
2283 | { | |
046b007d TG |
2284 | unsigned int i; |
2285 | int wide = bfd_mach_o_wide_p (abfd); | |
2286 | unsigned int module_len = wide ? 56 : 52; | |
2287 | ||
2288 | cmd->dylib_module = | |
2289 | bfd_alloc (abfd, cmd->nmodtab * sizeof (bfd_mach_o_dylib_module)); | |
2290 | if (cmd->dylib_module == NULL) | |
2291 | return -1; | |
2292 | ||
2293 | if (bfd_seek (abfd, cmd->modtaboff, SEEK_SET) != 0) | |
2294 | return -1; | |
2295 | ||
2296 | for (i = 0; i < cmd->nmodtab; i++) | |
2297 | { | |
2298 | bfd_mach_o_dylib_module *module = &cmd->dylib_module[i]; | |
2299 | unsigned long v; | |
46d1c23b | 2300 | unsigned char buf[56]; |
046b007d | 2301 | |
91d6fa6a | 2302 | if (bfd_bread ((void *) buf, module_len, abfd) != module_len) |
046b007d TG |
2303 | return -1; |
2304 | ||
2305 | module->module_name_idx = bfd_h_get_32 (abfd, buf + 0); | |
2306 | module->iextdefsym = bfd_h_get_32 (abfd, buf + 4); | |
2307 | module->nextdefsym = bfd_h_get_32 (abfd, buf + 8); | |
2308 | module->irefsym = bfd_h_get_32 (abfd, buf + 12); | |
2309 | module->nrefsym = bfd_h_get_32 (abfd, buf + 16); | |
2310 | module->ilocalsym = bfd_h_get_32 (abfd, buf + 20); | |
2311 | module->nlocalsym = bfd_h_get_32 (abfd, buf + 24); | |
2312 | module->iextrel = bfd_h_get_32 (abfd, buf + 28); | |
2313 | module->nextrel = bfd_h_get_32 (abfd, buf + 32); | |
2314 | v = bfd_h_get_32 (abfd, buf +36); | |
2315 | module->iinit = v & 0xffff; | |
2316 | module->iterm = (v >> 16) & 0xffff; | |
2317 | v = bfd_h_get_32 (abfd, buf + 40); | |
2318 | module->ninit = v & 0xffff; | |
2319 | module->nterm = (v >> 16) & 0xffff; | |
2320 | if (wide) | |
2321 | { | |
2322 | module->objc_module_info_size = bfd_h_get_32 (abfd, buf + 44); | |
2323 | module->objc_module_info_addr = bfd_h_get_64 (abfd, buf + 48); | |
2324 | } | |
2325 | else | |
2326 | { | |
2327 | module->objc_module_info_addr = bfd_h_get_32 (abfd, buf + 44); | |
2328 | module->objc_module_info_size = bfd_h_get_32 (abfd, buf + 48); | |
2329 | } | |
2330 | } | |
2331 | } | |
2332 | ||
2333 | if (cmd->ntoc != 0) | |
2334 | { | |
046b007d TG |
2335 | unsigned int i; |
2336 | ||
2337 | cmd->dylib_toc = bfd_alloc | |
2338 | (abfd, cmd->ntoc * sizeof (bfd_mach_o_dylib_table_of_content)); | |
2339 | if (cmd->dylib_toc == NULL) | |
2340 | return -1; | |
2341 | ||
2342 | if (bfd_seek (abfd, cmd->tocoff, SEEK_SET) != 0) | |
2343 | return -1; | |
2344 | ||
2345 | for (i = 0; i < cmd->ntoc; i++) | |
2346 | { | |
46d1c23b | 2347 | struct mach_o_dylib_table_of_contents_external raw; |
046b007d TG |
2348 | bfd_mach_o_dylib_table_of_content *toc = &cmd->dylib_toc[i]; |
2349 | ||
46d1c23b | 2350 | if (bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) |
046b007d TG |
2351 | return -1; |
2352 | ||
46d1c23b TG |
2353 | toc->symbol_index = bfd_h_get_32 (abfd, raw.symbol_index); |
2354 | toc->module_index = bfd_h_get_32 (abfd, raw.module_index); | |
046b007d TG |
2355 | } |
2356 | } | |
2357 | ||
2358 | if (cmd->nindirectsyms != 0) | |
2359 | { | |
046b007d TG |
2360 | unsigned int i; |
2361 | ||
2362 | cmd->indirect_syms = bfd_alloc | |
2363 | (abfd, cmd->nindirectsyms * sizeof (unsigned int)); | |
2364 | if (cmd->indirect_syms == NULL) | |
2365 | return -1; | |
2366 | ||
2367 | if (bfd_seek (abfd, cmd->indirectsymoff, SEEK_SET) != 0) | |
2368 | return -1; | |
2369 | ||
2370 | for (i = 0; i < cmd->nindirectsyms; i++) | |
2371 | { | |
46d1c23b | 2372 | unsigned char raw[4]; |
046b007d TG |
2373 | unsigned int *is = &cmd->indirect_syms[i]; |
2374 | ||
46d1c23b | 2375 | if (bfd_bread (raw, sizeof (raw), abfd) != sizeof (raw)) |
046b007d TG |
2376 | return -1; |
2377 | ||
46d1c23b | 2378 | *is = bfd_h_get_32 (abfd, raw); |
046b007d TG |
2379 | } |
2380 | } | |
2381 | ||
2382 | if (cmd->nextrefsyms != 0) | |
2383 | { | |
046b007d TG |
2384 | unsigned long v; |
2385 | unsigned int i; | |
2386 | ||
2387 | cmd->ext_refs = bfd_alloc | |
2388 | (abfd, cmd->nextrefsyms * sizeof (bfd_mach_o_dylib_reference)); | |
2389 | if (cmd->ext_refs == NULL) | |
2390 | return -1; | |
2391 | ||
2392 | if (bfd_seek (abfd, cmd->extrefsymoff, SEEK_SET) != 0) | |
2393 | return -1; | |
2394 | ||
2395 | for (i = 0; i < cmd->nextrefsyms; i++) | |
2396 | { | |
46d1c23b | 2397 | unsigned char raw[4]; |
046b007d TG |
2398 | bfd_mach_o_dylib_reference *ref = &cmd->ext_refs[i]; |
2399 | ||
46d1c23b | 2400 | if (bfd_bread (raw, sizeof (raw), abfd) != sizeof (raw)) |
046b007d TG |
2401 | return -1; |
2402 | ||
b32e07d7 TG |
2403 | /* Fields isym and flags are written as bit-fields, thus we need |
2404 | a specific processing for endianness. */ | |
46d1c23b | 2405 | v = bfd_h_get_32 (abfd, raw); |
b32e07d7 TG |
2406 | if (bfd_big_endian (abfd)) |
2407 | { | |
2408 | ref->isym = (v >> 8) & 0xffffff; | |
2409 | ref->flags = v & 0xff; | |
2410 | } | |
2411 | else | |
2412 | { | |
2413 | ref->isym = v & 0xffffff; | |
2414 | ref->flags = (v >> 24) & 0xff; | |
2415 | } | |
046b007d TG |
2416 | } |
2417 | } | |
3af9a47b | 2418 | |
b32e07d7 TG |
2419 | if (mdata->dysymtab) |
2420 | return -1; | |
2421 | mdata->dysymtab = cmd; | |
2422 | ||
3af9a47b NC |
2423 | return 0; |
2424 | } | |
2425 | ||
a95a4550 | 2426 | static int |
ab273af8 | 2427 | bfd_mach_o_read_symtab (bfd *abfd, bfd_mach_o_load_command *command) |
3af9a47b | 2428 | { |
046b007d TG |
2429 | bfd_mach_o_symtab_command *symtab = &command->command.symtab; |
2430 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
46d1c23b | 2431 | struct mach_o_symtab_command_external raw; |
3af9a47b NC |
2432 | |
2433 | BFD_ASSERT (command->type == BFD_MACH_O_LC_SYMTAB); | |
2434 | ||
46d1c23b TG |
2435 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 |
2436 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
3af9a47b | 2437 | return -1; |
a95a4550 | 2438 | |
46d1c23b TG |
2439 | symtab->symoff = bfd_h_get_32 (abfd, raw.symoff); |
2440 | symtab->nsyms = bfd_h_get_32 (abfd, raw.nsyms); | |
2441 | symtab->stroff = bfd_h_get_32 (abfd, raw.stroff); | |
2442 | symtab->strsize = bfd_h_get_32 (abfd, raw.strsize); | |
046b007d TG |
2443 | symtab->symbols = NULL; |
2444 | symtab->strtab = NULL; | |
3af9a47b | 2445 | |
046b007d | 2446 | if (symtab->nsyms != 0) |
15e1c58a TG |
2447 | abfd->flags |= HAS_SYMS; |
2448 | ||
046b007d TG |
2449 | if (mdata->symtab) |
2450 | return -1; | |
2451 | mdata->symtab = symtab; | |
3af9a47b NC |
2452 | return 0; |
2453 | } | |
2454 | ||
15e1c58a | 2455 | static int |
ab273af8 | 2456 | bfd_mach_o_read_uuid (bfd *abfd, bfd_mach_o_load_command *command) |
15e1c58a TG |
2457 | { |
2458 | bfd_mach_o_uuid_command *cmd = &command->command.uuid; | |
15e1c58a TG |
2459 | |
2460 | BFD_ASSERT (command->type == BFD_MACH_O_LC_UUID); | |
2461 | ||
46d1c23b TG |
2462 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 |
2463 | || bfd_bread (cmd->uuid, 16, abfd) != 16) | |
15e1c58a TG |
2464 | return -1; |
2465 | ||
15e1c58a TG |
2466 | return 0; |
2467 | } | |
2468 | ||
046b007d | 2469 | static int |
ab273af8 | 2470 | bfd_mach_o_read_linkedit (bfd *abfd, bfd_mach_o_load_command *command) |
046b007d TG |
2471 | { |
2472 | bfd_mach_o_linkedit_command *cmd = &command->command.linkedit; | |
46d1c23b | 2473 | struct mach_o_linkedit_data_command_external raw; |
046b007d | 2474 | |
46d1c23b TG |
2475 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 |
2476 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
046b007d TG |
2477 | return -1; |
2478 | ||
46d1c23b TG |
2479 | cmd->dataoff = bfd_get_32 (abfd, raw.dataoff); |
2480 | cmd->datasize = bfd_get_32 (abfd, raw.datasize); | |
046b007d TG |
2481 | return 0; |
2482 | } | |
2483 | ||
2484 | static int | |
ab273af8 | 2485 | bfd_mach_o_read_str (bfd *abfd, bfd_mach_o_load_command *command) |
046b007d TG |
2486 | { |
2487 | bfd_mach_o_str_command *cmd = &command->command.str; | |
46d1c23b | 2488 | struct mach_o_str_command_external raw; |
046b007d TG |
2489 | unsigned long off; |
2490 | ||
46d1c23b TG |
2491 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 |
2492 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
046b007d TG |
2493 | return -1; |
2494 | ||
46d1c23b | 2495 | off = bfd_get_32 (abfd, raw.str); |
046b007d TG |
2496 | cmd->stroff = command->offset + off; |
2497 | cmd->str_len = command->len - off; | |
2498 | cmd->str = bfd_alloc (abfd, cmd->str_len); | |
2499 | if (cmd->str == NULL) | |
2500 | return -1; | |
2501 | if (bfd_seek (abfd, cmd->stroff, SEEK_SET) != 0 | |
91d6fa6a | 2502 | || bfd_bread ((void *) cmd->str, cmd->str_len, abfd) != cmd->str_len) |
046b007d TG |
2503 | return -1; |
2504 | return 0; | |
2505 | } | |
2506 | ||
ad86f1fb | 2507 | static int |
ab273af8 | 2508 | bfd_mach_o_read_dyld_info (bfd *abfd, bfd_mach_o_load_command *command) |
ad86f1fb TG |
2509 | { |
2510 | bfd_mach_o_dyld_info_command *cmd = &command->command.dyld_info; | |
46d1c23b | 2511 | struct mach_o_dyld_info_command_external raw; |
ad86f1fb | 2512 | |
46d1c23b TG |
2513 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 |
2514 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
ad86f1fb TG |
2515 | return -1; |
2516 | ||
46d1c23b TG |
2517 | cmd->rebase_off = bfd_get_32 (abfd, raw.rebase_off); |
2518 | cmd->rebase_size = bfd_get_32 (abfd, raw.rebase_size); | |
2519 | cmd->bind_off = bfd_get_32 (abfd, raw.bind_off); | |
2520 | cmd->bind_size = bfd_get_32 (abfd, raw.bind_size); | |
2521 | cmd->weak_bind_off = bfd_get_32 (abfd, raw.weak_bind_off); | |
2522 | cmd->weak_bind_size = bfd_get_32 (abfd, raw.weak_bind_size); | |
2523 | cmd->lazy_bind_off = bfd_get_32 (abfd, raw.lazy_bind_off); | |
2524 | cmd->lazy_bind_size = bfd_get_32 (abfd, raw.lazy_bind_size); | |
2525 | cmd->export_off = bfd_get_32 (abfd, raw.export_off); | |
2526 | cmd->export_size = bfd_get_32 (abfd, raw.export_size); | |
ad86f1fb TG |
2527 | return 0; |
2528 | } | |
2529 | ||
edbdea0e TG |
2530 | static bfd_boolean |
2531 | bfd_mach_o_read_version_min (bfd *abfd, bfd_mach_o_load_command *command) | |
2532 | { | |
2533 | bfd_mach_o_version_min_command *cmd = &command->command.version_min; | |
2534 | struct mach_o_version_min_command_external raw; | |
2535 | unsigned int ver; | |
2536 | ||
2537 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 | |
2538 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
2539 | return FALSE; | |
2540 | ||
2541 | ver = bfd_get_32 (abfd, raw.version); | |
2542 | cmd->rel = ver >> 16; | |
2543 | cmd->maj = ver >> 8; | |
2544 | cmd->min = ver; | |
2545 | cmd->reserved = bfd_get_32 (abfd, raw.reserved); | |
2546 | return TRUE; | |
2547 | } | |
2548 | ||
3af9a47b | 2549 | static int |
ab273af8 TG |
2550 | bfd_mach_o_read_segment (bfd *abfd, |
2551 | bfd_mach_o_load_command *command, | |
2552 | unsigned int wide) | |
3af9a47b | 2553 | { |
3af9a47b NC |
2554 | bfd_mach_o_segment_command *seg = &command->command.segment; |
2555 | unsigned long i; | |
a95a4550 | 2556 | |
1e8a024a TG |
2557 | if (wide) |
2558 | { | |
46d1c23b TG |
2559 | struct mach_o_segment_command_64_external raw; |
2560 | ||
1e8a024a | 2561 | BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT_64); |
3af9a47b | 2562 | |
46d1c23b TG |
2563 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 |
2564 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
2565 | return -1; | |
3af9a47b | 2566 | |
46d1c23b | 2567 | memcpy (seg->segname, raw.segname, 16); |
15e1c58a | 2568 | seg->segname[16] = '\0'; |
1e8a024a | 2569 | |
46d1c23b TG |
2570 | seg->vmaddr = bfd_h_get_64 (abfd, raw.vmaddr); |
2571 | seg->vmsize = bfd_h_get_64 (abfd, raw.vmsize); | |
2572 | seg->fileoff = bfd_h_get_64 (abfd, raw.fileoff); | |
2573 | seg->filesize = bfd_h_get_64 (abfd, raw.filesize); | |
2574 | seg->maxprot = bfd_h_get_32 (abfd, raw.maxprot); | |
2575 | seg->initprot = bfd_h_get_32 (abfd, raw.initprot); | |
2576 | seg->nsects = bfd_h_get_32 (abfd, raw.nsects); | |
2577 | seg->flags = bfd_h_get_32 (abfd, raw.flags); | |
1e8a024a TG |
2578 | } |
2579 | else | |
2580 | { | |
46d1c23b TG |
2581 | struct mach_o_segment_command_32_external raw; |
2582 | ||
1e8a024a TG |
2583 | BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT); |
2584 | ||
46d1c23b TG |
2585 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 |
2586 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
2587 | return -1; | |
1e8a024a | 2588 | |
46d1c23b | 2589 | memcpy (seg->segname, raw.segname, 16); |
15e1c58a | 2590 | seg->segname[16] = '\0'; |
1e8a024a | 2591 | |
46d1c23b TG |
2592 | seg->vmaddr = bfd_h_get_32 (abfd, raw.vmaddr); |
2593 | seg->vmsize = bfd_h_get_32 (abfd, raw.vmsize); | |
2594 | seg->fileoff = bfd_h_get_32 (abfd, raw.fileoff); | |
2595 | seg->filesize = bfd_h_get_32 (abfd, raw.filesize); | |
2596 | seg->maxprot = bfd_h_get_32 (abfd, raw.maxprot); | |
2597 | seg->initprot = bfd_h_get_32 (abfd, raw.initprot); | |
2598 | seg->nsects = bfd_h_get_32 (abfd, raw.nsects); | |
2599 | seg->flags = bfd_h_get_32 (abfd, raw.flags); | |
1e8a024a | 2600 | } |
9d4b6009 TG |
2601 | seg->sect_head = NULL; |
2602 | seg->sect_tail = NULL; | |
3af9a47b | 2603 | |
f1bde64c | 2604 | for (i = 0; i < seg->nsects; i++) |
3af9a47b | 2605 | { |
f1bde64c TG |
2606 | bfd_vma segoff; |
2607 | asection *sec; | |
a95a4550 | 2608 | |
f1bde64c TG |
2609 | if (wide) |
2610 | segoff = command->offset + BFD_MACH_O_LC_SEGMENT_64_SIZE | |
2611 | + (i * BFD_MACH_O_SECTION_64_SIZE); | |
2612 | else | |
2613 | segoff = command->offset + BFD_MACH_O_LC_SEGMENT_SIZE | |
2614 | + (i * BFD_MACH_O_SECTION_SIZE); | |
3af9a47b | 2615 | |
f1bde64c TG |
2616 | sec = bfd_mach_o_read_section (abfd, segoff, seg->initprot, wide); |
2617 | if (sec == NULL) | |
2618 | return -1; | |
2619 | ||
2620 | bfd_mach_o_append_section_to_segment (seg, sec); | |
3af9a47b NC |
2621 | } |
2622 | ||
2623 | return 0; | |
2624 | } | |
2625 | ||
1e8a024a | 2626 | static int |
ab273af8 | 2627 | bfd_mach_o_read_segment_32 (bfd *abfd, bfd_mach_o_load_command *command) |
1e8a024a | 2628 | { |
ab273af8 | 2629 | return bfd_mach_o_read_segment (abfd, command, 0); |
1e8a024a TG |
2630 | } |
2631 | ||
2632 | static int | |
ab273af8 | 2633 | bfd_mach_o_read_segment_64 (bfd *abfd, bfd_mach_o_load_command *command) |
1e8a024a | 2634 | { |
ab273af8 | 2635 | return bfd_mach_o_read_segment (abfd, command, 1); |
1e8a024a TG |
2636 | } |
2637 | ||
3af9a47b | 2638 | static int |
ab273af8 | 2639 | bfd_mach_o_read_command (bfd *abfd, bfd_mach_o_load_command *command) |
3af9a47b | 2640 | { |
46d1c23b TG |
2641 | struct mach_o_load_command_external raw; |
2642 | unsigned int cmd; | |
3af9a47b | 2643 | |
046b007d | 2644 | /* Read command type and length. */ |
c2f09c75 | 2645 | if (bfd_seek (abfd, command->offset, SEEK_SET) != 0 |
46d1c23b | 2646 | || bfd_bread (&raw, BFD_MACH_O_LC_SIZE, abfd) != BFD_MACH_O_LC_SIZE) |
3af9a47b NC |
2647 | return -1; |
2648 | ||
46d1c23b TG |
2649 | cmd = bfd_h_get_32 (abfd, raw.cmd); |
2650 | command->type = cmd & ~BFD_MACH_O_LC_REQ_DYLD; | |
2651 | command->type_required = cmd & BFD_MACH_O_LC_REQ_DYLD ? TRUE : FALSE; | |
2652 | command->len = bfd_h_get_32 (abfd, raw.cmdsize); | |
3af9a47b NC |
2653 | |
2654 | switch (command->type) | |
2655 | { | |
2656 | case BFD_MACH_O_LC_SEGMENT: | |
ab273af8 | 2657 | if (bfd_mach_o_read_segment_32 (abfd, command) != 0) |
1e8a024a TG |
2658 | return -1; |
2659 | break; | |
2660 | case BFD_MACH_O_LC_SEGMENT_64: | |
ab273af8 | 2661 | if (bfd_mach_o_read_segment_64 (abfd, command) != 0) |
3af9a47b NC |
2662 | return -1; |
2663 | break; | |
2664 | case BFD_MACH_O_LC_SYMTAB: | |
ab273af8 | 2665 | if (bfd_mach_o_read_symtab (abfd, command) != 0) |
3af9a47b NC |
2666 | return -1; |
2667 | break; | |
2668 | case BFD_MACH_O_LC_SYMSEG: | |
2669 | break; | |
2670 | case BFD_MACH_O_LC_THREAD: | |
2671 | case BFD_MACH_O_LC_UNIXTHREAD: | |
ab273af8 | 2672 | if (bfd_mach_o_read_thread (abfd, command) != 0) |
3af9a47b NC |
2673 | return -1; |
2674 | break; | |
2675 | case BFD_MACH_O_LC_LOAD_DYLINKER: | |
2676 | case BFD_MACH_O_LC_ID_DYLINKER: | |
ab273af8 | 2677 | if (bfd_mach_o_read_dylinker (abfd, command) != 0) |
3af9a47b NC |
2678 | return -1; |
2679 | break; | |
2680 | case BFD_MACH_O_LC_LOAD_DYLIB: | |
2681 | case BFD_MACH_O_LC_ID_DYLIB: | |
2682 | case BFD_MACH_O_LC_LOAD_WEAK_DYLIB: | |
046b007d | 2683 | case BFD_MACH_O_LC_REEXPORT_DYLIB: |
ab273af8 | 2684 | if (bfd_mach_o_read_dylib (abfd, command) != 0) |
3af9a47b NC |
2685 | return -1; |
2686 | break; | |
2687 | case BFD_MACH_O_LC_PREBOUND_DYLIB: | |
ab273af8 | 2688 | if (bfd_mach_o_read_prebound_dylib (abfd, command) != 0) |
3af9a47b NC |
2689 | return -1; |
2690 | break; | |
2691 | case BFD_MACH_O_LC_LOADFVMLIB: | |
2692 | case BFD_MACH_O_LC_IDFVMLIB: | |
2693 | case BFD_MACH_O_LC_IDENT: | |
2694 | case BFD_MACH_O_LC_FVMFILE: | |
2695 | case BFD_MACH_O_LC_PREPAGE: | |
2696 | case BFD_MACH_O_LC_ROUTINES: | |
9b02d212 | 2697 | case BFD_MACH_O_LC_ROUTINES_64: |
046b007d | 2698 | break; |
3af9a47b | 2699 | case BFD_MACH_O_LC_SUB_FRAMEWORK: |
046b007d TG |
2700 | case BFD_MACH_O_LC_SUB_UMBRELLA: |
2701 | case BFD_MACH_O_LC_SUB_LIBRARY: | |
2702 | case BFD_MACH_O_LC_SUB_CLIENT: | |
0c9b2b4c | 2703 | case BFD_MACH_O_LC_RPATH: |
ab273af8 | 2704 | if (bfd_mach_o_read_str (abfd, command) != 0) |
046b007d | 2705 | return -1; |
3af9a47b NC |
2706 | break; |
2707 | case BFD_MACH_O_LC_DYSYMTAB: | |
ab273af8 | 2708 | if (bfd_mach_o_read_dysymtab (abfd, command) != 0) |
3af9a47b NC |
2709 | return -1; |
2710 | break; | |
3af9a47b NC |
2711 | case BFD_MACH_O_LC_TWOLEVEL_HINTS: |
2712 | case BFD_MACH_O_LC_PREBIND_CKSUM: | |
2713 | break; | |
15e1c58a | 2714 | case BFD_MACH_O_LC_UUID: |
ab273af8 | 2715 | if (bfd_mach_o_read_uuid (abfd, command) != 0) |
15e1c58a TG |
2716 | return -1; |
2717 | break; | |
2718 | case BFD_MACH_O_LC_CODE_SIGNATURE: | |
846b9259 | 2719 | case BFD_MACH_O_LC_SEGMENT_SPLIT_INFO: |
edbdea0e | 2720 | case BFD_MACH_O_LC_FUNCTION_STARTS: |
ab273af8 | 2721 | if (bfd_mach_o_read_linkedit (abfd, command) != 0) |
046b007d | 2722 | return -1; |
15e1c58a | 2723 | break; |
ad86f1fb | 2724 | case BFD_MACH_O_LC_DYLD_INFO: |
ab273af8 | 2725 | if (bfd_mach_o_read_dyld_info (abfd, command) != 0) |
ad86f1fb TG |
2726 | return -1; |
2727 | break; | |
edbdea0e TG |
2728 | case BFD_MACH_O_LC_VERSION_MIN_MACOSX: |
2729 | case BFD_MACH_O_LC_VERSION_MIN_IPHONEOS: | |
2730 | if (!bfd_mach_o_read_version_min (abfd, command)) | |
2731 | return -1; | |
2732 | break; | |
3af9a47b | 2733 | default: |
4a97a0e5 AM |
2734 | (*_bfd_error_handler) (_("unable to read unknown load command 0x%lx"), |
2735 | (unsigned long) command->type); | |
3af9a47b NC |
2736 | break; |
2737 | } | |
2738 | ||
2739 | return 0; | |
2740 | } | |
2741 | ||
2742 | static void | |
116c20d2 | 2743 | bfd_mach_o_flatten_sections (bfd *abfd) |
3af9a47b | 2744 | { |
046b007d | 2745 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
3af9a47b | 2746 | long csect = 0; |
f1bde64c | 2747 | unsigned long i; |
a95a4550 | 2748 | |
15e1c58a | 2749 | /* Count total number of sections. */ |
3af9a47b NC |
2750 | mdata->nsects = 0; |
2751 | ||
2752 | for (i = 0; i < mdata->header.ncmds; i++) | |
2753 | { | |
1e8a024a TG |
2754 | if (mdata->commands[i].type == BFD_MACH_O_LC_SEGMENT |
2755 | || mdata->commands[i].type == BFD_MACH_O_LC_SEGMENT_64) | |
3af9a47b | 2756 | { |
e84d6fca AM |
2757 | bfd_mach_o_segment_command *seg; |
2758 | ||
2759 | seg = &mdata->commands[i].command.segment; | |
3af9a47b NC |
2760 | mdata->nsects += seg->nsects; |
2761 | } | |
2762 | } | |
2763 | ||
15e1c58a | 2764 | /* Allocate sections array. */ |
e84d6fca AM |
2765 | mdata->sections = bfd_alloc (abfd, |
2766 | mdata->nsects * sizeof (bfd_mach_o_section *)); | |
15e1c58a TG |
2767 | |
2768 | /* Fill the array. */ | |
3af9a47b NC |
2769 | csect = 0; |
2770 | ||
2771 | for (i = 0; i < mdata->header.ncmds; i++) | |
2772 | { | |
1e8a024a TG |
2773 | if (mdata->commands[i].type == BFD_MACH_O_LC_SEGMENT |
2774 | || mdata->commands[i].type == BFD_MACH_O_LC_SEGMENT_64) | |
3af9a47b | 2775 | { |
e84d6fca | 2776 | bfd_mach_o_segment_command *seg; |
f1bde64c | 2777 | bfd_mach_o_section *sec; |
3af9a47b | 2778 | |
e84d6fca | 2779 | seg = &mdata->commands[i].command.segment; |
3af9a47b NC |
2780 | BFD_ASSERT (csect + seg->nsects <= mdata->nsects); |
2781 | ||
f1bde64c TG |
2782 | for (sec = seg->sect_head; sec != NULL; sec = sec->next) |
2783 | mdata->sections[csect++] = sec; | |
3af9a47b NC |
2784 | } |
2785 | } | |
2786 | } | |
2787 | ||
2788 | int | |
116c20d2 | 2789 | bfd_mach_o_scan_start_address (bfd *abfd) |
3af9a47b | 2790 | { |
046b007d | 2791 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
3af9a47b NC |
2792 | bfd_mach_o_thread_command *cmd = NULL; |
2793 | unsigned long i; | |
2794 | ||
2795 | for (i = 0; i < mdata->header.ncmds; i++) | |
2796 | { | |
2797 | if ((mdata->commands[i].type == BFD_MACH_O_LC_THREAD) || | |
2798 | (mdata->commands[i].type == BFD_MACH_O_LC_UNIXTHREAD)) | |
2799 | { | |
2800 | if (cmd == NULL) | |
2801 | cmd = &mdata->commands[i].command.thread; | |
2802 | else | |
2803 | return 0; | |
2804 | } | |
2805 | } | |
2806 | ||
2807 | if (cmd == NULL) | |
2808 | return 0; | |
2809 | ||
2810 | for (i = 0; i < cmd->nflavours; i++) | |
2811 | { | |
a95a4550 | 2812 | if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_I386) |
e84d6fca | 2813 | && (cmd->flavours[i].flavour |
15e1c58a | 2814 | == (unsigned long) BFD_MACH_O_x86_THREAD_STATE32)) |
3af9a47b NC |
2815 | { |
2816 | unsigned char buf[4]; | |
2817 | ||
c2f09c75 TG |
2818 | if (bfd_seek (abfd, cmd->flavours[i].offset + 40, SEEK_SET) != 0 |
2819 | || bfd_bread (buf, 4, abfd) != 4) | |
3af9a47b NC |
2820 | return -1; |
2821 | ||
2822 | abfd->start_address = bfd_h_get_32 (abfd, buf); | |
2823 | } | |
a95a4550 | 2824 | else if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_POWERPC) |
3af9a47b NC |
2825 | && (cmd->flavours[i].flavour == BFD_MACH_O_PPC_THREAD_STATE)) |
2826 | { | |
2827 | unsigned char buf[4]; | |
2828 | ||
c2f09c75 TG |
2829 | if (bfd_seek (abfd, cmd->flavours[i].offset + 0, SEEK_SET) != 0 |
2830 | || bfd_bread (buf, 4, abfd) != 4) | |
3af9a47b NC |
2831 | return -1; |
2832 | ||
2833 | abfd->start_address = bfd_h_get_32 (abfd, buf); | |
2834 | } | |
1e8a024a | 2835 | else if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_POWERPC_64) |
b32e07d7 | 2836 | && (cmd->flavours[i].flavour == BFD_MACH_O_PPC_THREAD_STATE64)) |
1e8a024a TG |
2837 | { |
2838 | unsigned char buf[8]; | |
2839 | ||
c2f09c75 TG |
2840 | if (bfd_seek (abfd, cmd->flavours[i].offset + 0, SEEK_SET) != 0 |
2841 | || bfd_bread (buf, 8, abfd) != 8) | |
1e8a024a TG |
2842 | return -1; |
2843 | ||
2844 | abfd->start_address = bfd_h_get_64 (abfd, buf); | |
2845 | } | |
2846 | else if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_X86_64) | |
2847 | && (cmd->flavours[i].flavour == BFD_MACH_O_x86_THREAD_STATE64)) | |
2848 | { | |
2849 | unsigned char buf[8]; | |
2850 | ||
c2f09c75 TG |
2851 | if (bfd_seek (abfd, cmd->flavours[i].offset + (16 * 8), SEEK_SET) != 0 |
2852 | || bfd_bread (buf, 8, abfd) != 8) | |
1e8a024a TG |
2853 | return -1; |
2854 | ||
2855 | abfd->start_address = bfd_h_get_64 (abfd, buf); | |
2856 | } | |
3af9a47b NC |
2857 | } |
2858 | ||
2859 | return 0; | |
2860 | } | |
2861 | ||
42fa0891 TG |
2862 | bfd_boolean |
2863 | bfd_mach_o_set_arch_mach (bfd *abfd, | |
2864 | enum bfd_architecture arch, | |
2865 | unsigned long machine) | |
2866 | { | |
2867 | bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd); | |
2868 | ||
2869 | /* If this isn't the right architecture for this backend, and this | |
2870 | isn't the generic backend, fail. */ | |
2871 | if (arch != bed->arch | |
2872 | && arch != bfd_arch_unknown | |
2873 | && bed->arch != bfd_arch_unknown) | |
2874 | return FALSE; | |
2875 | ||
2876 | return bfd_default_set_arch_mach (abfd, arch, machine); | |
2877 | } | |
2878 | ||
3af9a47b | 2879 | int |
116c20d2 NC |
2880 | bfd_mach_o_scan (bfd *abfd, |
2881 | bfd_mach_o_header *header, | |
2882 | bfd_mach_o_data_struct *mdata) | |
3af9a47b NC |
2883 | { |
2884 | unsigned int i; | |
3af9a47b NC |
2885 | enum bfd_architecture cputype; |
2886 | unsigned long cpusubtype; | |
1e8a024a TG |
2887 | unsigned int hdrsize; |
2888 | ||
c2f09c75 | 2889 | hdrsize = mach_o_wide_p (header) ? |
154a1ee5 | 2890 | BFD_MACH_O_HEADER_64_SIZE : BFD_MACH_O_HEADER_SIZE; |
3af9a47b | 2891 | |
3af9a47b | 2892 | mdata->header = *header; |
3af9a47b | 2893 | |
154a1ee5 | 2894 | abfd->flags = abfd->flags & BFD_IN_MEMORY; |
15e1c58a TG |
2895 | switch (header->filetype) |
2896 | { | |
2897 | case BFD_MACH_O_MH_OBJECT: | |
2898 | abfd->flags |= HAS_RELOC; | |
2899 | break; | |
2900 | case BFD_MACH_O_MH_EXECUTE: | |
2901 | abfd->flags |= EXEC_P; | |
2902 | break; | |
2903 | case BFD_MACH_O_MH_DYLIB: | |
2904 | case BFD_MACH_O_MH_BUNDLE: | |
2905 | abfd->flags |= DYNAMIC; | |
2906 | break; | |
2907 | } | |
2908 | ||
3af9a47b NC |
2909 | abfd->tdata.mach_o_data = mdata; |
2910 | ||
e84d6fca AM |
2911 | bfd_mach_o_convert_architecture (header->cputype, header->cpusubtype, |
2912 | &cputype, &cpusubtype); | |
3af9a47b NC |
2913 | if (cputype == bfd_arch_unknown) |
2914 | { | |
4a97a0e5 AM |
2915 | (*_bfd_error_handler) (_("bfd_mach_o_scan: unknown architecture 0x%lx/0x%lx"), |
2916 | header->cputype, header->cpusubtype); | |
3af9a47b NC |
2917 | return -1; |
2918 | } | |
2919 | ||
2920 | bfd_set_arch_mach (abfd, cputype, cpusubtype); | |
a95a4550 | 2921 | |
3af9a47b NC |
2922 | if (header->ncmds != 0) |
2923 | { | |
046b007d TG |
2924 | mdata->commands = bfd_alloc |
2925 | (abfd, header->ncmds * sizeof (bfd_mach_o_load_command)); | |
3af9a47b NC |
2926 | if (mdata->commands == NULL) |
2927 | return -1; | |
a95a4550 | 2928 | |
3af9a47b NC |
2929 | for (i = 0; i < header->ncmds; i++) |
2930 | { | |
2931 | bfd_mach_o_load_command *cur = &mdata->commands[i]; | |
2932 | ||
2933 | if (i == 0) | |
1e8a024a | 2934 | cur->offset = hdrsize; |
3af9a47b NC |
2935 | else |
2936 | { | |
2937 | bfd_mach_o_load_command *prev = &mdata->commands[i - 1]; | |
2938 | cur->offset = prev->offset + prev->len; | |
2939 | } | |
2940 | ||
ab273af8 | 2941 | if (bfd_mach_o_read_command (abfd, cur) < 0) |
3af9a47b | 2942 | return -1; |
a95a4550 | 2943 | } |
3af9a47b NC |
2944 | } |
2945 | ||
2946 | if (bfd_mach_o_scan_start_address (abfd) < 0) | |
7e3102a7 | 2947 | return -1; |
3af9a47b NC |
2948 | |
2949 | bfd_mach_o_flatten_sections (abfd); | |
3af9a47b NC |
2950 | return 0; |
2951 | } | |
2952 | ||
b34976b6 | 2953 | bfd_boolean |
154a1ee5 | 2954 | bfd_mach_o_mkobject_init (bfd *abfd) |
3af9a47b NC |
2955 | { |
2956 | bfd_mach_o_data_struct *mdata = NULL; | |
2957 | ||
116c20d2 | 2958 | mdata = bfd_alloc (abfd, sizeof (bfd_mach_o_data_struct)); |
3af9a47b | 2959 | if (mdata == NULL) |
b34976b6 | 2960 | return FALSE; |
3af9a47b NC |
2961 | abfd->tdata.mach_o_data = mdata; |
2962 | ||
2963 | mdata->header.magic = 0; | |
2964 | mdata->header.cputype = 0; | |
2965 | mdata->header.cpusubtype = 0; | |
2966 | mdata->header.filetype = 0; | |
2967 | mdata->header.ncmds = 0; | |
2968 | mdata->header.sizeofcmds = 0; | |
2969 | mdata->header.flags = 0; | |
2970 | mdata->header.byteorder = BFD_ENDIAN_UNKNOWN; | |
2971 | mdata->commands = NULL; | |
3af9a47b NC |
2972 | mdata->nsects = 0; |
2973 | mdata->sections = NULL; | |
3af9a47b | 2974 | |
b34976b6 | 2975 | return TRUE; |
3af9a47b NC |
2976 | } |
2977 | ||
42fa0891 TG |
2978 | static bfd_boolean |
2979 | bfd_mach_o_gen_mkobject (bfd *abfd) | |
2980 | { | |
2981 | bfd_mach_o_data_struct *mdata; | |
2982 | ||
2983 | if (!bfd_mach_o_mkobject_init (abfd)) | |
2984 | return FALSE; | |
2985 | ||
2986 | mdata = bfd_mach_o_get_data (abfd); | |
2987 | mdata->header.magic = BFD_MACH_O_MH_MAGIC; | |
2988 | mdata->header.cputype = 0; | |
2989 | mdata->header.cpusubtype = 0; | |
2990 | mdata->header.byteorder = abfd->xvec->byteorder; | |
2991 | mdata->header.version = 1; | |
2992 | ||
2993 | return TRUE; | |
2994 | } | |
2995 | ||
3af9a47b | 2996 | const bfd_target * |
154a1ee5 TG |
2997 | bfd_mach_o_header_p (bfd *abfd, |
2998 | bfd_mach_o_filetype filetype, | |
2999 | bfd_mach_o_cpu_type cputype) | |
3af9a47b | 3000 | { |
e84d6fca | 3001 | struct bfd_preserve preserve; |
3af9a47b NC |
3002 | bfd_mach_o_header header; |
3003 | ||
e84d6fca | 3004 | preserve.marker = NULL; |
154a1ee5 | 3005 | if (!bfd_mach_o_read_header (abfd, &header)) |
e84d6fca | 3006 | goto wrong; |
3af9a47b | 3007 | |
e84d6fca AM |
3008 | if (! (header.byteorder == BFD_ENDIAN_BIG |
3009 | || header.byteorder == BFD_ENDIAN_LITTLE)) | |
3af9a47b | 3010 | { |
4a97a0e5 AM |
3011 | (*_bfd_error_handler) (_("unknown header byte-order value 0x%lx"), |
3012 | (unsigned long) header.byteorder); | |
e84d6fca | 3013 | goto wrong; |
3af9a47b NC |
3014 | } |
3015 | ||
e84d6fca AM |
3016 | if (! ((header.byteorder == BFD_ENDIAN_BIG |
3017 | && abfd->xvec->byteorder == BFD_ENDIAN_BIG | |
3018 | && abfd->xvec->header_byteorder == BFD_ENDIAN_BIG) | |
3019 | || (header.byteorder == BFD_ENDIAN_LITTLE | |
3020 | && abfd->xvec->byteorder == BFD_ENDIAN_LITTLE | |
3021 | && abfd->xvec->header_byteorder == BFD_ENDIAN_LITTLE))) | |
3022 | goto wrong; | |
3af9a47b | 3023 | |
154a1ee5 TG |
3024 | /* Check cputype and filetype. |
3025 | In case of wildcard, do not accept magics that are handled by existing | |
3026 | targets. */ | |
3027 | if (cputype) | |
3028 | { | |
3029 | if (header.cputype != cputype) | |
3030 | goto wrong; | |
3031 | } | |
3032 | else | |
3033 | { | |
3034 | switch (header.cputype) | |
3035 | { | |
3036 | case BFD_MACH_O_CPU_TYPE_I386: | |
3037 | /* Handled by mach-o-i386 */ | |
3038 | goto wrong; | |
3039 | default: | |
3040 | break; | |
3041 | } | |
3042 | } | |
3043 | if (filetype) | |
3044 | { | |
3045 | if (header.filetype != filetype) | |
3046 | goto wrong; | |
3047 | } | |
3048 | else | |
3049 | { | |
3050 | switch (header.filetype) | |
3051 | { | |
3052 | case BFD_MACH_O_MH_CORE: | |
3053 | /* Handled by core_p */ | |
3054 | goto wrong; | |
3055 | default: | |
3056 | break; | |
3057 | } | |
3058 | } | |
3059 | ||
e84d6fca AM |
3060 | preserve.marker = bfd_zalloc (abfd, sizeof (bfd_mach_o_data_struct)); |
3061 | if (preserve.marker == NULL | |
3062 | || !bfd_preserve_save (abfd, &preserve)) | |
3063 | goto fail; | |
3af9a47b | 3064 | |
e84d6fca AM |
3065 | if (bfd_mach_o_scan (abfd, &header, |
3066 | (bfd_mach_o_data_struct *) preserve.marker) != 0) | |
3067 | goto wrong; | |
a95a4550 | 3068 | |
e84d6fca | 3069 | bfd_preserve_finish (abfd, &preserve); |
3af9a47b | 3070 | return abfd->xvec; |
e84d6fca AM |
3071 | |
3072 | wrong: | |
3073 | bfd_set_error (bfd_error_wrong_format); | |
3074 | ||
3075 | fail: | |
3076 | if (preserve.marker != NULL) | |
3077 | bfd_preserve_restore (abfd, &preserve); | |
3078 | return NULL; | |
3af9a47b NC |
3079 | } |
3080 | ||
154a1ee5 TG |
3081 | static const bfd_target * |
3082 | bfd_mach_o_gen_object_p (bfd *abfd) | |
3af9a47b | 3083 | { |
154a1ee5 TG |
3084 | return bfd_mach_o_header_p (abfd, 0, 0); |
3085 | } | |
e84d6fca | 3086 | |
154a1ee5 TG |
3087 | static const bfd_target * |
3088 | bfd_mach_o_gen_core_p (bfd *abfd) | |
3089 | { | |
3090 | return bfd_mach_o_header_p (abfd, BFD_MACH_O_MH_CORE, 0); | |
3af9a47b NC |
3091 | } |
3092 | ||
3093 | typedef struct mach_o_fat_archentry | |
3094 | { | |
3095 | unsigned long cputype; | |
3096 | unsigned long cpusubtype; | |
3097 | unsigned long offset; | |
3098 | unsigned long size; | |
3099 | unsigned long align; | |
3af9a47b NC |
3100 | } mach_o_fat_archentry; |
3101 | ||
3102 | typedef struct mach_o_fat_data_struct | |
3103 | { | |
3104 | unsigned long magic; | |
3105 | unsigned long nfat_arch; | |
3106 | mach_o_fat_archentry *archentries; | |
3107 | } mach_o_fat_data_struct; | |
3108 | ||
3109 | const bfd_target * | |
116c20d2 | 3110 | bfd_mach_o_archive_p (bfd *abfd) |
3af9a47b | 3111 | { |
e84d6fca | 3112 | mach_o_fat_data_struct *adata = NULL; |
46d1c23b | 3113 | struct mach_o_fat_header_external hdr; |
3af9a47b NC |
3114 | unsigned long i; |
3115 | ||
c2f09c75 | 3116 | if (bfd_seek (abfd, 0, SEEK_SET) != 0 |
46d1c23b | 3117 | || bfd_bread (&hdr, sizeof (hdr), abfd) != sizeof (hdr)) |
e84d6fca | 3118 | goto error; |
3af9a47b | 3119 | |
116c20d2 | 3120 | adata = bfd_alloc (abfd, sizeof (mach_o_fat_data_struct)); |
3af9a47b | 3121 | if (adata == NULL) |
e84d6fca | 3122 | goto error; |
a95a4550 | 3123 | |
46d1c23b TG |
3124 | adata->magic = bfd_getb32 (hdr.magic); |
3125 | adata->nfat_arch = bfd_getb32 (hdr.nfat_arch); | |
3af9a47b | 3126 | if (adata->magic != 0xcafebabe) |
e84d6fca | 3127 | goto error; |
27cc28f9 AS |
3128 | /* Avoid matching Java bytecode files, which have the same magic number. |
3129 | In the Java bytecode file format this field contains the JVM version, | |
3130 | which starts at 43.0. */ | |
3131 | if (adata->nfat_arch > 30) | |
3132 | goto error; | |
3af9a47b | 3133 | |
c2f09c75 | 3134 | adata->archentries = |
3af9a47b NC |
3135 | bfd_alloc (abfd, adata->nfat_arch * sizeof (mach_o_fat_archentry)); |
3136 | if (adata->archentries == NULL) | |
e84d6fca | 3137 | goto error; |
3af9a47b NC |
3138 | |
3139 | for (i = 0; i < adata->nfat_arch; i++) | |
3140 | { | |
46d1c23b TG |
3141 | struct mach_o_fat_arch_external arch; |
3142 | if (bfd_bread (&arch, sizeof (arch), abfd) != sizeof (arch)) | |
e84d6fca | 3143 | goto error; |
46d1c23b TG |
3144 | adata->archentries[i].cputype = bfd_getb32 (arch.cputype); |
3145 | adata->archentries[i].cpusubtype = bfd_getb32 (arch.cpusubtype); | |
3146 | adata->archentries[i].offset = bfd_getb32 (arch.offset); | |
3147 | adata->archentries[i].size = bfd_getb32 (arch.size); | |
3148 | adata->archentries[i].align = bfd_getb32 (arch.align); | |
3af9a47b NC |
3149 | } |
3150 | ||
3151 | abfd->tdata.mach_o_fat_data = adata; | |
3152 | return abfd->xvec; | |
e84d6fca AM |
3153 | |
3154 | error: | |
3155 | if (adata != NULL) | |
3156 | bfd_release (abfd, adata); | |
3157 | bfd_set_error (bfd_error_wrong_format); | |
3158 | return NULL; | |
3af9a47b NC |
3159 | } |
3160 | ||
3161 | bfd * | |
116c20d2 | 3162 | bfd_mach_o_openr_next_archived_file (bfd *archive, bfd *prev) |
3af9a47b | 3163 | { |
e84d6fca | 3164 | mach_o_fat_data_struct *adata; |
3af9a47b NC |
3165 | mach_o_fat_archentry *entry = NULL; |
3166 | unsigned long i; | |
15e1c58a | 3167 | bfd *nbfd; |
15e1c58a TG |
3168 | enum bfd_architecture arch_type; |
3169 | unsigned long arch_subtype; | |
3af9a47b | 3170 | |
e84d6fca | 3171 | adata = (mach_o_fat_data_struct *) archive->tdata.mach_o_fat_data; |
3af9a47b NC |
3172 | BFD_ASSERT (adata != NULL); |
3173 | ||
3174 | /* Find index of previous entry. */ | |
3175 | if (prev == NULL) | |
3176 | i = 0; /* Start at first one. */ | |
3177 | else | |
3178 | { | |
3179 | for (i = 0; i < adata->nfat_arch; i++) | |
3180 | { | |
15e1c58a | 3181 | if (adata->archentries[i].offset == prev->origin) |
3af9a47b NC |
3182 | break; |
3183 | } | |
3184 | ||
3185 | if (i == adata->nfat_arch) | |
3186 | { | |
3187 | /* Not found. */ | |
3188 | bfd_set_error (bfd_error_bad_value); | |
a95a4550 | 3189 | return NULL; |
3af9a47b NC |
3190 | } |
3191 | i++; /* Get next entry. */ | |
3192 | } | |
a95a4550 | 3193 | |
3af9a47b NC |
3194 | if (i >= adata->nfat_arch) |
3195 | { | |
3196 | bfd_set_error (bfd_error_no_more_archived_files); | |
3197 | return NULL; | |
3198 | } | |
3199 | ||
3200 | entry = &adata->archentries[i]; | |
15e1c58a TG |
3201 | nbfd = _bfd_new_bfd_contained_in (archive); |
3202 | if (nbfd == NULL) | |
3203 | return NULL; | |
3204 | ||
3205 | nbfd->origin = entry->offset; | |
3206 | ||
3207 | bfd_mach_o_convert_architecture (entry->cputype, entry->cpusubtype, | |
3208 | &arch_type, &arch_subtype); | |
846b9259 TG |
3209 | /* Create the member filename. |
3210 | Use FILENAME:ARCH_NAME. */ | |
3211 | { | |
3212 | char *s = NULL; | |
3213 | const char *arch_name; | |
3214 | size_t arch_file_len = strlen (bfd_get_filename (archive)); | |
3215 | ||
3216 | arch_name = bfd_printable_arch_mach (arch_type, arch_subtype); | |
3217 | s = bfd_malloc (arch_file_len + 1 + strlen (arch_name) + 1); | |
3218 | if (s == NULL) | |
3219 | return NULL; | |
3220 | memcpy (s, bfd_get_filename (archive), arch_file_len); | |
3221 | s[arch_file_len] = ':'; | |
3222 | strcpy (s + arch_file_len + 1, arch_name); | |
3223 | nbfd->filename = s; | |
3224 | } | |
15e1c58a | 3225 | nbfd->iostream = NULL; |
846b9259 | 3226 | bfd_set_arch_mach (nbfd, arch_type, arch_subtype); |
3af9a47b | 3227 | |
15e1c58a | 3228 | return nbfd; |
3af9a47b NC |
3229 | } |
3230 | ||
846b9259 TG |
3231 | /* If ABFD format is FORMAT and architecture is ARCH, return it. |
3232 | If ABFD is a fat image containing a member that corresponds to FORMAT | |
3233 | and ARCH, returns it. | |
3234 | In other case, returns NULL. | |
3235 | This function allows transparent uses of fat images. */ | |
3236 | bfd * | |
3237 | bfd_mach_o_fat_extract (bfd *abfd, | |
3238 | bfd_format format, | |
3239 | const bfd_arch_info_type *arch) | |
3240 | { | |
3241 | bfd *res; | |
3242 | mach_o_fat_data_struct *adata; | |
3243 | unsigned int i; | |
3244 | ||
3245 | if (bfd_check_format (abfd, format)) | |
3246 | { | |
3247 | if (bfd_get_arch_info (abfd) == arch) | |
3248 | return abfd; | |
3249 | return NULL; | |
3250 | } | |
3251 | if (!bfd_check_format (abfd, bfd_archive) | |
3252 | || abfd->xvec != &mach_o_fat_vec) | |
3253 | return NULL; | |
c2f09c75 | 3254 | |
846b9259 TG |
3255 | /* This is a Mach-O fat image. */ |
3256 | adata = (mach_o_fat_data_struct *) abfd->tdata.mach_o_fat_data; | |
3257 | BFD_ASSERT (adata != NULL); | |
3258 | ||
3259 | for (i = 0; i < adata->nfat_arch; i++) | |
3260 | { | |
3261 | struct mach_o_fat_archentry *e = &adata->archentries[i]; | |
3262 | enum bfd_architecture cpu_type; | |
3263 | unsigned long cpu_subtype; | |
3264 | ||
3265 | bfd_mach_o_convert_architecture (e->cputype, e->cpusubtype, | |
3266 | &cpu_type, &cpu_subtype); | |
3267 | if (cpu_type != arch->arch || cpu_subtype != arch->mach) | |
3268 | continue; | |
3269 | ||
3270 | /* The architecture is found. */ | |
3271 | res = _bfd_new_bfd_contained_in (abfd); | |
3272 | if (res == NULL) | |
3273 | return NULL; | |
3274 | ||
3275 | res->origin = e->offset; | |
3276 | ||
3277 | res->filename = strdup (abfd->filename); | |
3278 | res->iostream = NULL; | |
3279 | ||
3280 | if (bfd_check_format (res, format)) | |
3281 | { | |
3282 | BFD_ASSERT (bfd_get_arch_info (res) == arch); | |
3283 | return res; | |
3284 | } | |
3285 | bfd_close (res); | |
3286 | return NULL; | |
3287 | } | |
3288 | ||
3289 | return NULL; | |
3290 | } | |
3291 | ||
3af9a47b | 3292 | int |
116c20d2 NC |
3293 | bfd_mach_o_lookup_command (bfd *abfd, |
3294 | bfd_mach_o_load_command_type type, | |
3295 | bfd_mach_o_load_command **mcommand) | |
3af9a47b | 3296 | { |
046b007d | 3297 | struct mach_o_data_struct *md = bfd_mach_o_get_data (abfd); |
3af9a47b NC |
3298 | bfd_mach_o_load_command *ncmd = NULL; |
3299 | unsigned int i, num; | |
3300 | ||
3af9a47b NC |
3301 | BFD_ASSERT (md != NULL); |
3302 | BFD_ASSERT (mcommand != NULL); | |
3303 | ||
3304 | num = 0; | |
3305 | for (i = 0; i < md->header.ncmds; i++) | |
3306 | { | |
3307 | struct bfd_mach_o_load_command *cmd = &md->commands[i]; | |
3308 | ||
3309 | if (cmd->type != type) | |
3310 | continue; | |
3311 | ||
3312 | if (num == 0) | |
3313 | ncmd = cmd; | |
3314 | num++; | |
3315 | } | |
3316 | ||
3317 | *mcommand = ncmd; | |
3318 | return num; | |
3319 | } | |
3320 | ||
3321 | unsigned long | |
116c20d2 | 3322 | bfd_mach_o_stack_addr (enum bfd_mach_o_cpu_type type) |
3af9a47b NC |
3323 | { |
3324 | switch (type) | |
3325 | { | |
3326 | case BFD_MACH_O_CPU_TYPE_MC680x0: | |
3327 | return 0x04000000; | |
3328 | case BFD_MACH_O_CPU_TYPE_MC88000: | |
3329 | return 0xffffe000; | |
3330 | case BFD_MACH_O_CPU_TYPE_POWERPC: | |
3331 | return 0xc0000000; | |
3332 | case BFD_MACH_O_CPU_TYPE_I386: | |
3333 | return 0xc0000000; | |
3334 | case BFD_MACH_O_CPU_TYPE_SPARC: | |
3335 | return 0xf0000000; | |
3336 | case BFD_MACH_O_CPU_TYPE_I860: | |
3337 | return 0; | |
3338 | case BFD_MACH_O_CPU_TYPE_HPPA: | |
e84d6fca | 3339 | return 0xc0000000 - 0x04000000; |
3af9a47b NC |
3340 | default: |
3341 | return 0; | |
3342 | } | |
3343 | } | |
3344 | ||
046b007d | 3345 | typedef struct bfd_mach_o_xlat_name |
15e1c58a | 3346 | { |
046b007d TG |
3347 | const char *name; |
3348 | unsigned long val; | |
3349 | } | |
3350 | bfd_mach_o_xlat_name; | |
3351 | ||
3352 | static void | |
3353 | bfd_mach_o_print_flags (const bfd_mach_o_xlat_name *table, | |
3354 | unsigned long val, | |
3355 | FILE *file) | |
3356 | { | |
3357 | int first = 1; | |
3358 | ||
3359 | for (; table->name; table++) | |
3360 | { | |
3361 | if (table->val & val) | |
3362 | { | |
3363 | if (!first) | |
3364 | fprintf (file, "+"); | |
3365 | fprintf (file, "%s", table->name); | |
3366 | val &= ~table->val; | |
3367 | first = 0; | |
3368 | } | |
3369 | } | |
3370 | if (val) | |
3371 | { | |
3372 | if (!first) | |
3373 | fprintf (file, "+"); | |
3374 | fprintf (file, "0x%lx", val); | |
3375 | return; | |
3376 | } | |
3377 | if (first) | |
3378 | fprintf (file, "-"); | |
3379 | } | |
3380 | ||
3381 | static const char * | |
edbdea0e TG |
3382 | bfd_mach_o_get_name_or_null (const bfd_mach_o_xlat_name *table, |
3383 | unsigned long val) | |
046b007d TG |
3384 | { |
3385 | for (; table->name; table++) | |
3386 | if (table->val == val) | |
3387 | return table->name; | |
edbdea0e TG |
3388 | return NULL; |
3389 | } | |
3390 | ||
3391 | static const char * | |
3392 | bfd_mach_o_get_name (const bfd_mach_o_xlat_name *table, unsigned long val) | |
3393 | { | |
3394 | const char *res = bfd_mach_o_get_name_or_null (table, val); | |
3395 | ||
3396 | if (res == NULL) | |
3397 | return "*UNKNOWN*"; | |
3398 | else | |
3399 | return res; | |
046b007d TG |
3400 | } |
3401 | ||
3402 | static bfd_mach_o_xlat_name bfd_mach_o_cpu_name[] = | |
3403 | { | |
afecc97c TG |
3404 | { "vax", BFD_MACH_O_CPU_TYPE_VAX }, |
3405 | { "mc680x0", BFD_MACH_O_CPU_TYPE_MC680x0 }, | |
3406 | { "i386", BFD_MACH_O_CPU_TYPE_I386 }, | |
3407 | { "mips", BFD_MACH_O_CPU_TYPE_MIPS }, | |
3408 | { "mc98000", BFD_MACH_O_CPU_TYPE_MC98000 }, | |
3409 | { "hppa", BFD_MACH_O_CPU_TYPE_HPPA }, | |
3410 | { "arm", BFD_MACH_O_CPU_TYPE_ARM }, | |
3411 | { "mc88000", BFD_MACH_O_CPU_TYPE_MC88000 }, | |
3412 | { "sparc", BFD_MACH_O_CPU_TYPE_SPARC }, | |
3413 | { "i860", BFD_MACH_O_CPU_TYPE_I860 }, | |
3414 | { "alpha", BFD_MACH_O_CPU_TYPE_ALPHA }, | |
3415 | { "powerpc", BFD_MACH_O_CPU_TYPE_POWERPC }, | |
3416 | { "powerpc_64", BFD_MACH_O_CPU_TYPE_POWERPC_64 }, | |
3417 | { "x86_64", BFD_MACH_O_CPU_TYPE_X86_64 }, | |
046b007d TG |
3418 | { NULL, 0} |
3419 | }; | |
3420 | ||
3421 | static bfd_mach_o_xlat_name bfd_mach_o_filetype_name[] = | |
3422 | { | |
afecc97c TG |
3423 | { "object", BFD_MACH_O_MH_OBJECT }, |
3424 | { "execute", BFD_MACH_O_MH_EXECUTE }, | |
3425 | { "fvmlib", BFD_MACH_O_MH_FVMLIB }, | |
3426 | { "core", BFD_MACH_O_MH_CORE }, | |
3427 | { "preload", BFD_MACH_O_MH_PRELOAD }, | |
3428 | { "dylib", BFD_MACH_O_MH_DYLIB }, | |
3429 | { "dylinker", BFD_MACH_O_MH_DYLINKER }, | |
3430 | { "bundle", BFD_MACH_O_MH_BUNDLE }, | |
3431 | { "dylib_stub", BFD_MACH_O_MH_DYLIB_STUB }, | |
3432 | { "dym", BFD_MACH_O_MH_DSYM }, | |
3433 | { "kext_bundle", BFD_MACH_O_MH_KEXT_BUNDLE }, | |
046b007d TG |
3434 | { NULL, 0} |
3435 | }; | |
3436 | ||
3437 | static bfd_mach_o_xlat_name bfd_mach_o_header_flags_name[] = | |
3438 | { | |
3439 | { "noundefs", BFD_MACH_O_MH_NOUNDEFS }, | |
3440 | { "incrlink", BFD_MACH_O_MH_INCRLINK }, | |
3441 | { "dyldlink", BFD_MACH_O_MH_DYLDLINK }, | |
3442 | { "bindatload", BFD_MACH_O_MH_BINDATLOAD }, | |
3443 | { "prebound", BFD_MACH_O_MH_PREBOUND }, | |
3444 | { "split_segs", BFD_MACH_O_MH_SPLIT_SEGS }, | |
3445 | { "lazy_init", BFD_MACH_O_MH_LAZY_INIT }, | |
3446 | { "twolevel", BFD_MACH_O_MH_TWOLEVEL }, | |
3447 | { "force_flat", BFD_MACH_O_MH_FORCE_FLAT }, | |
3448 | { "nomultidefs", BFD_MACH_O_MH_NOMULTIDEFS }, | |
3449 | { "nofixprebinding", BFD_MACH_O_MH_NOFIXPREBINDING }, | |
3450 | { "prebindable", BFD_MACH_O_MH_PREBINDABLE }, | |
3451 | { "allmodsbound", BFD_MACH_O_MH_ALLMODSBOUND }, | |
3452 | { "subsections_via_symbols", BFD_MACH_O_MH_SUBSECTIONS_VIA_SYMBOLS }, | |
3453 | { "canonical", BFD_MACH_O_MH_CANONICAL }, | |
3454 | { "weak_defines", BFD_MACH_O_MH_WEAK_DEFINES }, | |
3455 | { "binds_to_weak", BFD_MACH_O_MH_BINDS_TO_WEAK }, | |
3456 | { "allow_stack_execution", BFD_MACH_O_MH_ALLOW_STACK_EXECUTION }, | |
3457 | { "root_safe", BFD_MACH_O_MH_ROOT_SAFE }, | |
3458 | { "setuid_safe", BFD_MACH_O_MH_SETUID_SAFE }, | |
3459 | { "no_reexported_dylibs", BFD_MACH_O_MH_NO_REEXPORTED_DYLIBS }, | |
3460 | { "pie", BFD_MACH_O_MH_PIE }, | |
3461 | { NULL, 0} | |
3462 | }; | |
3463 | ||
3464 | static bfd_mach_o_xlat_name bfd_mach_o_section_type_name[] = | |
3465 | { | |
3466 | { "regular", BFD_MACH_O_S_REGULAR}, | |
3467 | { "zerofill", BFD_MACH_O_S_ZEROFILL}, | |
3468 | { "cstring_literals", BFD_MACH_O_S_CSTRING_LITERALS}, | |
3469 | { "4byte_literals", BFD_MACH_O_S_4BYTE_LITERALS}, | |
3470 | { "8byte_literals", BFD_MACH_O_S_8BYTE_LITERALS}, | |
3471 | { "literal_pointers", BFD_MACH_O_S_LITERAL_POINTERS}, | |
3472 | { "non_lazy_symbol_pointers", BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS}, | |
3473 | { "lazy_symbol_pointers", BFD_MACH_O_S_LAZY_SYMBOL_POINTERS}, | |
3474 | { "symbol_stubs", BFD_MACH_O_S_SYMBOL_STUBS}, | |
3475 | { "mod_init_func_pointers", BFD_MACH_O_S_MOD_INIT_FUNC_POINTERS}, | |
3476 | { "mod_fini_func_pointers", BFD_MACH_O_S_MOD_FINI_FUNC_POINTERS}, | |
3477 | { "coalesced", BFD_MACH_O_S_COALESCED}, | |
3478 | { "gb_zerofill", BFD_MACH_O_S_GB_ZEROFILL}, | |
3479 | { "interposing", BFD_MACH_O_S_INTERPOSING}, | |
3480 | { "16byte_literals", BFD_MACH_O_S_16BYTE_LITERALS}, | |
3481 | { "dtrace_dof", BFD_MACH_O_S_DTRACE_DOF}, | |
3482 | { "lazy_dylib_symbol_pointers", BFD_MACH_O_S_LAZY_DYLIB_SYMBOL_POINTERS}, | |
3483 | { NULL, 0} | |
3484 | }; | |
3485 | ||
3486 | static bfd_mach_o_xlat_name bfd_mach_o_section_attribute_name[] = | |
3487 | { | |
3488 | { "loc_reloc", BFD_MACH_O_S_ATTR_LOC_RELOC }, | |
3489 | { "ext_reloc", BFD_MACH_O_S_ATTR_EXT_RELOC }, | |
3490 | { "some_instructions", BFD_MACH_O_S_ATTR_SOME_INSTRUCTIONS }, | |
3491 | { "debug", BFD_MACH_O_S_ATTR_DEBUG }, | |
3492 | { "modifying_code", BFD_MACH_O_S_SELF_MODIFYING_CODE }, | |
3493 | { "live_support", BFD_MACH_O_S_ATTR_LIVE_SUPPORT }, | |
3494 | { "no_dead_strip", BFD_MACH_O_S_ATTR_NO_DEAD_STRIP }, | |
3495 | { "strip_static_syms", BFD_MACH_O_S_ATTR_STRIP_STATIC_SYMS }, | |
3496 | { "no_toc", BFD_MACH_O_S_ATTR_NO_TOC }, | |
3497 | { "pure_instructions", BFD_MACH_O_S_ATTR_PURE_INSTRUCTIONS }, | |
3498 | { NULL, 0} | |
3499 | }; | |
3500 | ||
3501 | static bfd_mach_o_xlat_name bfd_mach_o_load_command_name[] = | |
3502 | { | |
3503 | { "segment", BFD_MACH_O_LC_SEGMENT}, | |
3504 | { "symtab", BFD_MACH_O_LC_SYMTAB}, | |
3505 | { "symseg", BFD_MACH_O_LC_SYMSEG}, | |
3506 | { "thread", BFD_MACH_O_LC_THREAD}, | |
3507 | { "unixthread", BFD_MACH_O_LC_UNIXTHREAD}, | |
3508 | { "loadfvmlib", BFD_MACH_O_LC_LOADFVMLIB}, | |
3509 | { "idfvmlib", BFD_MACH_O_LC_IDFVMLIB}, | |
3510 | { "ident", BFD_MACH_O_LC_IDENT}, | |
3511 | { "fvmfile", BFD_MACH_O_LC_FVMFILE}, | |
3512 | { "prepage", BFD_MACH_O_LC_PREPAGE}, | |
3513 | { "dysymtab", BFD_MACH_O_LC_DYSYMTAB}, | |
3514 | { "load_dylib", BFD_MACH_O_LC_LOAD_DYLIB}, | |
3515 | { "id_dylib", BFD_MACH_O_LC_ID_DYLIB}, | |
3516 | { "load_dylinker", BFD_MACH_O_LC_LOAD_DYLINKER}, | |
3517 | { "id_dylinker", BFD_MACH_O_LC_ID_DYLINKER}, | |
3518 | { "prebound_dylib", BFD_MACH_O_LC_PREBOUND_DYLIB}, | |
3519 | { "routines", BFD_MACH_O_LC_ROUTINES}, | |
3520 | { "sub_framework", BFD_MACH_O_LC_SUB_FRAMEWORK}, | |
3521 | { "sub_umbrella", BFD_MACH_O_LC_SUB_UMBRELLA}, | |
3522 | { "sub_client", BFD_MACH_O_LC_SUB_CLIENT}, | |
3523 | { "sub_library", BFD_MACH_O_LC_SUB_LIBRARY}, | |
3524 | { "twolevel_hints", BFD_MACH_O_LC_TWOLEVEL_HINTS}, | |
3525 | { "prebind_cksum", BFD_MACH_O_LC_PREBIND_CKSUM}, | |
3526 | { "load_weak_dylib", BFD_MACH_O_LC_LOAD_WEAK_DYLIB}, | |
3527 | { "segment_64", BFD_MACH_O_LC_SEGMENT_64}, | |
3528 | { "routines_64", BFD_MACH_O_LC_ROUTINES_64}, | |
3529 | { "uuid", BFD_MACH_O_LC_UUID}, | |
3530 | { "rpath", BFD_MACH_O_LC_RPATH}, | |
3531 | { "code_signature", BFD_MACH_O_LC_CODE_SIGNATURE}, | |
3532 | { "segment_split_info", BFD_MACH_O_LC_SEGMENT_SPLIT_INFO}, | |
3533 | { "reexport_dylib", BFD_MACH_O_LC_REEXPORT_DYLIB}, | |
3534 | { "lazy_load_dylib", BFD_MACH_O_LC_LAZY_LOAD_DYLIB}, | |
3535 | { "encryption_info", BFD_MACH_O_LC_ENCRYPTION_INFO}, | |
ad86f1fb | 3536 | { "dyld_info", BFD_MACH_O_LC_DYLD_INFO}, |
edbdea0e TG |
3537 | { "load_upward_lib", BFD_MACH_O_LC_LOAD_UPWARD_DYLIB}, |
3538 | { "version_min_macosx", BFD_MACH_O_LC_VERSION_MIN_MACOSX}, | |
3539 | { "version_min_iphoneos", BFD_MACH_O_LC_VERSION_MIN_IPHONEOS}, | |
3540 | { "function_starts", BFD_MACH_O_LC_FUNCTION_STARTS}, | |
3541 | { "dyld_environment", BFD_MACH_O_LC_DYLD_ENVIRONMENT}, | |
046b007d TG |
3542 | { NULL, 0} |
3543 | }; | |
3544 | ||
53d58d96 TG |
3545 | /* Get the section type from NAME. Return -1 if NAME is unknown. */ |
3546 | ||
3547 | unsigned int | |
3548 | bfd_mach_o_get_section_type_from_name (const char *name) | |
3549 | { | |
3550 | bfd_mach_o_xlat_name *x; | |
3551 | ||
3552 | for (x = bfd_mach_o_section_type_name; x->name; x++) | |
3553 | if (strcmp (x->name, name) == 0) | |
3554 | return x->val; | |
3555 | return (unsigned int)-1; | |
3556 | } | |
3557 | ||
3558 | /* Get the section attribute from NAME. Return -1 if NAME is unknown. */ | |
3559 | ||
3560 | unsigned int | |
3561 | bfd_mach_o_get_section_attribute_from_name (const char *name) | |
3562 | { | |
3563 | bfd_mach_o_xlat_name *x; | |
3564 | ||
3565 | for (x = bfd_mach_o_section_attribute_name; x->name; x++) | |
3566 | if (strcmp (x->name, name) == 0) | |
3567 | return x->val; | |
3568 | return (unsigned int)-1; | |
3569 | } | |
3570 | ||
046b007d TG |
3571 | static void |
3572 | bfd_mach_o_print_private_header (bfd *abfd, FILE *file) | |
3573 | { | |
3574 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
3575 | bfd_mach_o_header *h = &mdata->header; | |
3576 | ||
afecc97c | 3577 | fputs (_("Mach-O header:\n"), file); |
046b007d TG |
3578 | fprintf (file, _(" magic : %08lx\n"), h->magic); |
3579 | fprintf (file, _(" cputype : %08lx (%s)\n"), h->cputype, | |
3580 | bfd_mach_o_get_name (bfd_mach_o_cpu_name, h->cputype)); | |
3581 | fprintf (file, _(" cpusubtype: %08lx\n"), h->cpusubtype); | |
3582 | fprintf (file, _(" filetype : %08lx (%s)\n"), | |
3583 | h->filetype, | |
3584 | bfd_mach_o_get_name (bfd_mach_o_filetype_name, h->filetype)); | |
b2b62060 | 3585 | fprintf (file, _(" ncmds : %08lx (%lu)\n"), h->ncmds, h->ncmds); |
046b007d TG |
3586 | fprintf (file, _(" sizeofcmds: %08lx\n"), h->sizeofcmds); |
3587 | fprintf (file, _(" flags : %08lx ("), h->flags); | |
3588 | bfd_mach_o_print_flags (bfd_mach_o_header_flags_name, h->flags, file); | |
afecc97c | 3589 | fputs (_(")\n"), file); |
b8674692 | 3590 | fprintf (file, _(" reserved : %08x\n"), h->reserved); |
046b007d TG |
3591 | } |
3592 | ||
3593 | static void | |
3594 | bfd_mach_o_print_section_map (bfd *abfd, FILE *file) | |
3595 | { | |
3596 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
f1bde64c | 3597 | unsigned int i; |
15e1c58a TG |
3598 | unsigned int sec_nbr = 0; |
3599 | ||
afecc97c TG |
3600 | fputs (_("Segments and Sections:\n"), file); |
3601 | fputs (_(" #: Segment name Section name Address\n"), file); | |
15e1c58a TG |
3602 | |
3603 | for (i = 0; i < mdata->header.ncmds; i++) | |
3604 | { | |
3605 | bfd_mach_o_segment_command *seg; | |
f1bde64c | 3606 | bfd_mach_o_section *sec; |
15e1c58a TG |
3607 | |
3608 | if (mdata->commands[i].type != BFD_MACH_O_LC_SEGMENT | |
3609 | && mdata->commands[i].type != BFD_MACH_O_LC_SEGMENT_64) | |
3610 | continue; | |
3611 | ||
3612 | seg = &mdata->commands[i].command.segment; | |
3613 | ||
3614 | fprintf (file, "[Segment %-16s ", seg->segname); | |
3615 | fprintf_vma (file, seg->vmaddr); | |
3616 | fprintf (file, "-"); | |
3617 | fprintf_vma (file, seg->vmaddr + seg->vmsize - 1); | |
3618 | fputc (' ', file); | |
3619 | fputc (seg->initprot & BFD_MACH_O_PROT_READ ? 'r' : '-', file); | |
3620 | fputc (seg->initprot & BFD_MACH_O_PROT_WRITE ? 'w' : '-', file); | |
3621 | fputc (seg->initprot & BFD_MACH_O_PROT_EXECUTE ? 'x' : '-', file); | |
3622 | fprintf (file, "]\n"); | |
f1bde64c TG |
3623 | |
3624 | for (sec = seg->sect_head; sec != NULL; sec = sec->next) | |
15e1c58a | 3625 | { |
15e1c58a TG |
3626 | fprintf (file, "%02u: %-16s %-16s ", ++sec_nbr, |
3627 | sec->segname, sec->sectname); | |
3628 | fprintf_vma (file, sec->addr); | |
3629 | fprintf (file, " "); | |
3630 | fprintf_vma (file, sec->size); | |
3631 | fprintf (file, " %08lx\n", sec->flags); | |
3632 | } | |
3633 | } | |
046b007d TG |
3634 | } |
3635 | ||
046b007d TG |
3636 | static void |
3637 | bfd_mach_o_print_section (bfd *abfd ATTRIBUTE_UNUSED, | |
3638 | bfd_mach_o_section *sec, FILE *file) | |
3639 | { | |
b32e07d7 TG |
3640 | fprintf (file, " Section: %-16s %-16s (bfdname: %s)\n", |
3641 | sec->sectname, sec->segname, sec->bfdsection->name); | |
046b007d TG |
3642 | fprintf (file, " addr: "); |
3643 | fprintf_vma (file, sec->addr); | |
3644 | fprintf (file, " size: "); | |
3645 | fprintf_vma (file, sec->size); | |
3646 | fprintf (file, " offset: "); | |
3647 | fprintf_vma (file, sec->offset); | |
3648 | fprintf (file, "\n"); | |
3649 | fprintf (file, " align: %ld", sec->align); | |
3650 | fprintf (file, " nreloc: %lu reloff: ", sec->nreloc); | |
3651 | fprintf_vma (file, sec->reloff); | |
3652 | fprintf (file, "\n"); | |
3653 | fprintf (file, " flags: %08lx (type: %s", sec->flags, | |
3654 | bfd_mach_o_get_name (bfd_mach_o_section_type_name, | |
3655 | sec->flags & BFD_MACH_O_SECTION_TYPE_MASK)); | |
3656 | fprintf (file, " attr: "); | |
3657 | bfd_mach_o_print_flags (bfd_mach_o_section_attribute_name, | |
3658 | sec->flags & BFD_MACH_O_SECTION_ATTRIBUTES_MASK, | |
3659 | file); | |
3660 | fprintf (file, ")\n"); | |
3661 | switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK) | |
3662 | { | |
3663 | case BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS: | |
3664 | case BFD_MACH_O_S_LAZY_SYMBOL_POINTERS: | |
3665 | case BFD_MACH_O_S_SYMBOL_STUBS: | |
3666 | fprintf (file, " first indirect sym: %lu", sec->reserved1); | |
3667 | fprintf (file, " (%u entries)", | |
3668 | bfd_mach_o_section_get_nbr_indirect (abfd, sec)); | |
3669 | break; | |
3670 | default: | |
3671 | fprintf (file, " reserved1: 0x%lx", sec->reserved1); | |
3672 | break; | |
3673 | } | |
3674 | switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK) | |
3675 | { | |
3676 | case BFD_MACH_O_S_SYMBOL_STUBS: | |
3677 | fprintf (file, " stub size: %lu", sec->reserved2); | |
3678 | break; | |
3679 | default: | |
3680 | fprintf (file, " reserved2: 0x%lx", sec->reserved2); | |
3681 | break; | |
3682 | } | |
3683 | fprintf (file, " reserved3: 0x%lx\n", sec->reserved3); | |
3684 | } | |
3685 | ||
3686 | static void | |
3687 | bfd_mach_o_print_segment (bfd *abfd ATTRIBUTE_UNUSED, | |
3688 | bfd_mach_o_load_command *cmd, FILE *file) | |
3689 | { | |
3690 | bfd_mach_o_segment_command *seg = &cmd->command.segment; | |
f1bde64c | 3691 | bfd_mach_o_section *sec; |
046b007d | 3692 | |
b32e07d7 | 3693 | fprintf (file, " name: %s\n", *seg->segname ? seg->segname : "*none*"); |
046b007d TG |
3694 | fprintf (file, " vmaddr: "); |
3695 | fprintf_vma (file, seg->vmaddr); | |
3696 | fprintf (file, " vmsize: "); | |
3697 | fprintf_vma (file, seg->vmsize); | |
3698 | fprintf (file, "\n"); | |
3699 | fprintf (file, " fileoff: "); | |
3700 | fprintf_vma (file, seg->fileoff); | |
3701 | fprintf (file, " filesize: "); | |
3702 | fprintf_vma (file, (bfd_vma)seg->filesize); | |
3703 | fprintf (file, " endoff: "); | |
3704 | fprintf_vma (file, (bfd_vma)(seg->fileoff + seg->filesize)); | |
3705 | fprintf (file, "\n"); | |
3706 | fprintf (file, " nsects: %lu ", seg->nsects); | |
3707 | fprintf (file, " flags: %lx\n", seg->flags); | |
f1bde64c TG |
3708 | for (sec = seg->sect_head; sec != NULL; sec = sec->next) |
3709 | bfd_mach_o_print_section (abfd, sec, file); | |
046b007d TG |
3710 | } |
3711 | ||
3712 | static void | |
3713 | bfd_mach_o_print_dysymtab (bfd *abfd ATTRIBUTE_UNUSED, | |
3714 | bfd_mach_o_load_command *cmd, FILE *file) | |
3715 | { | |
3716 | bfd_mach_o_dysymtab_command *dysymtab = &cmd->command.dysymtab; | |
3717 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
3718 | unsigned int i; | |
3719 | ||
b32e07d7 | 3720 | fprintf (file, " local symbols: idx: %10lu num: %-8lu", |
046b007d | 3721 | dysymtab->ilocalsym, dysymtab->nlocalsym); |
b32e07d7 TG |
3722 | fprintf (file, " (nxtidx: %lu)\n", |
3723 | dysymtab->ilocalsym + dysymtab->nlocalsym); | |
3724 | fprintf (file, " external symbols: idx: %10lu num: %-8lu", | |
046b007d | 3725 | dysymtab->iextdefsym, dysymtab->nextdefsym); |
b32e07d7 TG |
3726 | fprintf (file, " (nxtidx: %lu)\n", |
3727 | dysymtab->iextdefsym + dysymtab->nextdefsym); | |
3728 | fprintf (file, " undefined symbols: idx: %10lu num: %-8lu", | |
046b007d | 3729 | dysymtab->iundefsym, dysymtab->nundefsym); |
b32e07d7 TG |
3730 | fprintf (file, " (nxtidx: %lu)\n", |
3731 | dysymtab->iundefsym + dysymtab->nundefsym); | |
046b007d TG |
3732 | fprintf (file, " table of content: off: 0x%08lx num: %-8lu", |
3733 | dysymtab->tocoff, dysymtab->ntoc); | |
3734 | fprintf (file, " (endoff: 0x%08lx)\n", | |
3735 | dysymtab->tocoff | |
3736 | + dysymtab->ntoc * BFD_MACH_O_TABLE_OF_CONTENT_SIZE); | |
3737 | fprintf (file, " module table: off: 0x%08lx num: %-8lu", | |
3738 | dysymtab->modtaboff, dysymtab->nmodtab); | |
3739 | fprintf (file, " (endoff: 0x%08lx)\n", | |
3740 | dysymtab->modtaboff + dysymtab->nmodtab | |
3741 | * (mach_o_wide_p (&mdata->header) ? | |
3742 | BFD_MACH_O_DYLIB_MODULE_64_SIZE : BFD_MACH_O_DYLIB_MODULE_SIZE)); | |
3743 | fprintf (file, " external reference table: off: 0x%08lx num: %-8lu", | |
3744 | dysymtab->extrefsymoff, dysymtab->nextrefsyms); | |
3745 | fprintf (file, " (endoff: 0x%08lx)\n", | |
3746 | dysymtab->extrefsymoff | |
3747 | + dysymtab->nextrefsyms * BFD_MACH_O_REFERENCE_SIZE); | |
3748 | fprintf (file, " indirect symbol table: off: 0x%08lx num: %-8lu", | |
3749 | dysymtab->indirectsymoff, dysymtab->nindirectsyms); | |
3750 | fprintf (file, " (endoff: 0x%08lx)\n", | |
3751 | dysymtab->indirectsymoff | |
3752 | + dysymtab->nindirectsyms * BFD_MACH_O_INDIRECT_SYMBOL_SIZE); | |
3753 | fprintf (file, " external relocation table: off: 0x%08lx num: %-8lu", | |
3754 | dysymtab->extreloff, dysymtab->nextrel); | |
3755 | fprintf (file, " (endoff: 0x%08lx)\n", | |
3756 | dysymtab->extreloff + dysymtab->nextrel * BFD_MACH_O_RELENT_SIZE); | |
3757 | fprintf (file, " local relocation table: off: 0x%08lx num: %-8lu", | |
3758 | dysymtab->locreloff, dysymtab->nlocrel); | |
3759 | fprintf (file, " (endoff: 0x%08lx)\n", | |
3760 | dysymtab->locreloff + dysymtab->nlocrel * BFD_MACH_O_RELENT_SIZE); | |
3761 | ||
3762 | if (dysymtab->ntoc > 0 | |
3763 | || dysymtab->nindirectsyms > 0 | |
3764 | || dysymtab->nextrefsyms > 0) | |
3765 | { | |
3766 | /* Try to read the symbols to display the toc or indirect symbols. */ | |
ab273af8 | 3767 | bfd_mach_o_read_symtab_symbols (abfd); |
046b007d TG |
3768 | } |
3769 | else if (dysymtab->nmodtab > 0) | |
3770 | { | |
3771 | /* Try to read the strtab to display modules name. */ | |
ab273af8 | 3772 | bfd_mach_o_read_symtab_strtab (abfd); |
046b007d TG |
3773 | } |
3774 | ||
3775 | for (i = 0; i < dysymtab->nmodtab; i++) | |
3776 | { | |
3777 | bfd_mach_o_dylib_module *module = &dysymtab->dylib_module[i]; | |
3778 | fprintf (file, " module %u:\n", i); | |
3779 | fprintf (file, " name: %lu", module->module_name_idx); | |
3780 | if (mdata->symtab && mdata->symtab->strtab) | |
3781 | fprintf (file, ": %s", | |
3782 | mdata->symtab->strtab + module->module_name_idx); | |
3783 | fprintf (file, "\n"); | |
3784 | fprintf (file, " extdefsym: idx: %8lu num: %lu\n", | |
3785 | module->iextdefsym, module->nextdefsym); | |
3786 | fprintf (file, " refsym: idx: %8lu num: %lu\n", | |
3787 | module->irefsym, module->nrefsym); | |
3788 | fprintf (file, " localsym: idx: %8lu num: %lu\n", | |
3789 | module->ilocalsym, module->nlocalsym); | |
3790 | fprintf (file, " extrel: idx: %8lu num: %lu\n", | |
3791 | module->iextrel, module->nextrel); | |
3792 | fprintf (file, " init: idx: %8u num: %u\n", | |
3793 | module->iinit, module->ninit); | |
3794 | fprintf (file, " term: idx: %8u num: %u\n", | |
3795 | module->iterm, module->nterm); | |
3796 | fprintf (file, " objc_module_info: addr: "); | |
3797 | fprintf_vma (file, module->objc_module_info_addr); | |
3798 | fprintf (file, " size: %lu\n", module->objc_module_info_size); | |
3799 | } | |
3800 | ||
3801 | if (dysymtab->ntoc > 0) | |
3802 | { | |
3803 | bfd_mach_o_symtab_command *symtab = mdata->symtab; | |
3804 | ||
3805 | fprintf (file, " table of content: (symbol/module)\n"); | |
3806 | for (i = 0; i < dysymtab->ntoc; i++) | |
3807 | { | |
3808 | bfd_mach_o_dylib_table_of_content *toc = &dysymtab->dylib_toc[i]; | |
3809 | ||
3810 | fprintf (file, " %4u: ", i); | |
3811 | if (symtab && symtab->symbols && toc->symbol_index < symtab->nsyms) | |
3812 | { | |
3813 | const char *name = symtab->symbols[toc->symbol_index].symbol.name; | |
3814 | fprintf (file, "%s (%lu)", name ? name : "*invalid*", | |
3815 | toc->symbol_index); | |
3816 | } | |
3817 | else | |
3818 | fprintf (file, "%lu", toc->symbol_index); | |
3819 | ||
3820 | fprintf (file, " / "); | |
3821 | if (symtab && symtab->strtab | |
3822 | && toc->module_index < dysymtab->nmodtab) | |
3823 | { | |
3824 | bfd_mach_o_dylib_module *mod; | |
3825 | mod = &dysymtab->dylib_module[toc->module_index]; | |
3826 | fprintf (file, "%s (%lu)", | |
3827 | symtab->strtab + mod->module_name_idx, | |
3828 | toc->module_index); | |
3829 | } | |
3830 | else | |
3831 | fprintf (file, "%lu", toc->module_index); | |
3832 | ||
3833 | fprintf (file, "\n"); | |
3834 | } | |
3835 | } | |
3836 | ||
3837 | if (dysymtab->nindirectsyms != 0) | |
3838 | { | |
3839 | fprintf (file, " indirect symbols:\n"); | |
3840 | ||
3841 | for (i = 0; i < mdata->nsects; i++) | |
3842 | { | |
3843 | bfd_mach_o_section *sec = mdata->sections[i]; | |
3844 | unsigned int j, first, last; | |
3845 | bfd_mach_o_symtab_command *symtab = mdata->symtab; | |
afecc97c TG |
3846 | bfd_vma addr; |
3847 | bfd_vma entry_size; | |
046b007d TG |
3848 | |
3849 | switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK) | |
3850 | { | |
3851 | case BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS: | |
3852 | case BFD_MACH_O_S_LAZY_SYMBOL_POINTERS: | |
3853 | case BFD_MACH_O_S_SYMBOL_STUBS: | |
3854 | first = sec->reserved1; | |
3855 | last = first + bfd_mach_o_section_get_nbr_indirect (abfd, sec); | |
afecc97c TG |
3856 | addr = sec->addr; |
3857 | entry_size = bfd_mach_o_section_get_entry_size (abfd, sec); | |
046b007d TG |
3858 | fprintf (file, " for section %s.%s:\n", |
3859 | sec->segname, sec->sectname); | |
3860 | for (j = first; j < last; j++) | |
3861 | { | |
3862 | unsigned int isym = dysymtab->indirect_syms[j]; | |
3863 | ||
afecc97c TG |
3864 | fprintf (file, " "); |
3865 | fprintf_vma (file, addr); | |
3866 | fprintf (file, " %5u: 0x%08x", j, isym); | |
046b007d TG |
3867 | if (isym & BFD_MACH_O_INDIRECT_SYMBOL_LOCAL) |
3868 | fprintf (file, " LOCAL"); | |
3869 | if (isym & BFD_MACH_O_INDIRECT_SYMBOL_ABS) | |
3870 | fprintf (file, " ABSOLUTE"); | |
3871 | if (symtab && symtab->symbols | |
3872 | && isym < symtab->nsyms | |
3873 | && symtab->symbols[isym].symbol.name) | |
3874 | fprintf (file, " %s", symtab->symbols[isym].symbol.name); | |
3875 | fprintf (file, "\n"); | |
afecc97c | 3876 | addr += entry_size; |
046b007d TG |
3877 | } |
3878 | break; | |
3879 | default: | |
3880 | break; | |
3881 | } | |
3882 | } | |
3883 | } | |
3884 | if (dysymtab->nextrefsyms > 0) | |
3885 | { | |
3886 | bfd_mach_o_symtab_command *symtab = mdata->symtab; | |
3887 | ||
3888 | fprintf (file, " external reference table: (symbol flags)\n"); | |
3889 | for (i = 0; i < dysymtab->nextrefsyms; i++) | |
3890 | { | |
3891 | bfd_mach_o_dylib_reference *ref = &dysymtab->ext_refs[i]; | |
3892 | ||
3893 | fprintf (file, " %4u: %5lu 0x%02lx", i, ref->isym, ref->flags); | |
3894 | if (symtab && symtab->symbols | |
3895 | && ref->isym < symtab->nsyms | |
3896 | && symtab->symbols[ref->isym].symbol.name) | |
3897 | fprintf (file, " %s", symtab->symbols[ref->isym].symbol.name); | |
3898 | fprintf (file, "\n"); | |
3899 | } | |
3900 | } | |
3901 | ||
3902 | } | |
3903 | ||
ad86f1fb TG |
3904 | static void |
3905 | bfd_mach_o_print_dyld_info (bfd *abfd ATTRIBUTE_UNUSED, | |
3906 | bfd_mach_o_load_command *cmd, FILE *file) | |
3907 | { | |
3908 | bfd_mach_o_dyld_info_command *info = &cmd->command.dyld_info; | |
3909 | ||
3910 | fprintf (file, " rebase: off: 0x%08x size: %-8u\n", | |
3911 | info->rebase_off, info->rebase_size); | |
3912 | fprintf (file, " bind: off: 0x%08x size: %-8u\n", | |
3913 | info->bind_off, info->bind_size); | |
3914 | fprintf (file, " weak bind: off: 0x%08x size: %-8u\n", | |
3915 | info->weak_bind_off, info->weak_bind_size); | |
3916 | fprintf (file, " lazy bind: off: 0x%08x size: %-8u\n", | |
3917 | info->lazy_bind_off, info->lazy_bind_size); | |
3918 | fprintf (file, " export: off: 0x%08x size: %-8u\n", | |
3919 | info->export_off, info->export_size); | |
3920 | } | |
3921 | ||
046b007d | 3922 | bfd_boolean |
91d6fa6a | 3923 | bfd_mach_o_bfd_print_private_bfd_data (bfd *abfd, void * ptr) |
046b007d TG |
3924 | { |
3925 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
3926 | FILE *file = (FILE *) ptr; | |
3927 | unsigned int i; | |
3928 | ||
3929 | bfd_mach_o_print_private_header (abfd, file); | |
3930 | fputc ('\n', file); | |
15e1c58a TG |
3931 | |
3932 | for (i = 0; i < mdata->header.ncmds; i++) | |
3933 | { | |
3934 | bfd_mach_o_load_command *cmd = &mdata->commands[i]; | |
edbdea0e | 3935 | const char *cmd_name; |
046b007d | 3936 | |
edbdea0e TG |
3937 | cmd_name = bfd_mach_o_get_name_or_null |
3938 | (bfd_mach_o_load_command_name, cmd->type); | |
3939 | fprintf (file, "Load command "); | |
3940 | if (cmd_name == NULL) | |
3941 | fprintf (file, "0x%02x:", cmd->type); | |
3942 | else | |
3943 | fprintf (file, "%s:", cmd_name); | |
3944 | ||
15e1c58a TG |
3945 | switch (cmd->type) |
3946 | { | |
3947 | case BFD_MACH_O_LC_SEGMENT: | |
3948 | case BFD_MACH_O_LC_SEGMENT_64: | |
046b007d | 3949 | bfd_mach_o_print_segment (abfd, cmd, file); |
15e1c58a TG |
3950 | break; |
3951 | case BFD_MACH_O_LC_UUID: | |
3952 | { | |
3953 | bfd_mach_o_uuid_command *uuid = &cmd->command.uuid; | |
91d6fa6a | 3954 | unsigned int j; |
15e1c58a | 3955 | |
91d6fa6a NC |
3956 | for (j = 0; j < sizeof (uuid->uuid); j ++) |
3957 | fprintf (file, " %02x", uuid->uuid[j]); | |
15e1c58a TG |
3958 | fputc ('\n', file); |
3959 | } | |
3960 | break; | |
3961 | case BFD_MACH_O_LC_LOAD_DYLIB: | |
046b007d TG |
3962 | case BFD_MACH_O_LC_LOAD_WEAK_DYLIB: |
3963 | case BFD_MACH_O_LC_REEXPORT_DYLIB: | |
3964 | case BFD_MACH_O_LC_ID_DYLIB: | |
15e1c58a TG |
3965 | { |
3966 | bfd_mach_o_dylib_command *dylib = &cmd->command.dylib; | |
b32e07d7 | 3967 | fprintf (file, " %s\n", dylib->name_str); |
15e1c58a TG |
3968 | fprintf (file, " time stamp: 0x%08lx\n", |
3969 | dylib->timestamp); | |
3970 | fprintf (file, " current version: 0x%08lx\n", | |
3971 | dylib->current_version); | |
3972 | fprintf (file, " comptibility version: 0x%08lx\n", | |
3973 | dylib->compatibility_version); | |
15e1c58a TG |
3974 | break; |
3975 | } | |
3976 | case BFD_MACH_O_LC_LOAD_DYLINKER: | |
b32e07d7 TG |
3977 | case BFD_MACH_O_LC_ID_DYLINKER: |
3978 | fprintf (file, " %s\n", cmd->command.dylinker.name_str); | |
3979 | break; | |
15e1c58a TG |
3980 | case BFD_MACH_O_LC_SYMTAB: |
3981 | { | |
3982 | bfd_mach_o_symtab_command *symtab = &cmd->command.symtab; | |
15e1c58a | 3983 | fprintf (file, |
046b007d TG |
3984 | "\n" |
3985 | " symoff: 0x%08x nsyms: %8u (endoff: 0x%08x)\n", | |
3986 | symtab->symoff, symtab->nsyms, | |
3987 | symtab->symoff + symtab->nsyms | |
3988 | * (mach_o_wide_p (&mdata->header) | |
3989 | ? BFD_MACH_O_NLIST_64_SIZE : BFD_MACH_O_NLIST_SIZE)); | |
15e1c58a | 3990 | fprintf (file, |
046b007d TG |
3991 | " stroff: 0x%08x strsize: %8u (endoff: 0x%08x)\n", |
3992 | symtab->stroff, symtab->strsize, | |
3993 | symtab->stroff + symtab->strsize); | |
15e1c58a TG |
3994 | break; |
3995 | } | |
046b007d TG |
3996 | case BFD_MACH_O_LC_DYSYMTAB: |
3997 | fprintf (file, "\n"); | |
3998 | bfd_mach_o_print_dysymtab (abfd, cmd, file); | |
3999 | break; | |
4000 | case BFD_MACH_O_LC_CODE_SIGNATURE: | |
4001 | case BFD_MACH_O_LC_SEGMENT_SPLIT_INFO: | |
edbdea0e | 4002 | case BFD_MACH_O_LC_FUNCTION_STARTS: |
046b007d TG |
4003 | { |
4004 | bfd_mach_o_linkedit_command *linkedit = &cmd->command.linkedit; | |
4005 | fprintf | |
4006 | (file, "\n" | |
4007 | " dataoff: 0x%08lx datasize: 0x%08lx (endoff: 0x%08lx)\n", | |
4008 | linkedit->dataoff, linkedit->datasize, | |
4009 | linkedit->dataoff + linkedit->datasize); | |
4010 | break; | |
4011 | } | |
4012 | case BFD_MACH_O_LC_SUB_FRAMEWORK: | |
4013 | case BFD_MACH_O_LC_SUB_UMBRELLA: | |
4014 | case BFD_MACH_O_LC_SUB_LIBRARY: | |
4015 | case BFD_MACH_O_LC_SUB_CLIENT: | |
0c9b2b4c | 4016 | case BFD_MACH_O_LC_RPATH: |
046b007d TG |
4017 | { |
4018 | bfd_mach_o_str_command *str = &cmd->command.str; | |
4019 | fprintf (file, " %s\n", str->str); | |
4020 | break; | |
4021 | } | |
b32e07d7 TG |
4022 | case BFD_MACH_O_LC_THREAD: |
4023 | case BFD_MACH_O_LC_UNIXTHREAD: | |
4024 | { | |
4025 | bfd_mach_o_thread_command *thread = &cmd->command.thread; | |
4026 | unsigned int j; | |
4027 | bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd); | |
4028 | ||
4029 | fprintf (file, " nflavours: %lu\n", thread->nflavours); | |
4030 | for (j = 0; j < thread->nflavours; j++) | |
4031 | { | |
4032 | bfd_mach_o_thread_flavour *flavour = &thread->flavours[j]; | |
4033 | ||
4034 | fprintf (file, " %2u: flavour: 0x%08lx offset: 0x%08lx" | |
4035 | " size: 0x%08lx\n", | |
4036 | j, flavour->flavour, flavour->offset, | |
4037 | flavour->size); | |
4038 | if (bed->_bfd_mach_o_print_thread) | |
4039 | { | |
4040 | char *buf = bfd_malloc (flavour->size); | |
4041 | ||
4042 | if (buf | |
4043 | && bfd_seek (abfd, flavour->offset, SEEK_SET) == 0 | |
4044 | && (bfd_bread (buf, flavour->size, abfd) | |
4045 | == flavour->size)) | |
4046 | (*bed->_bfd_mach_o_print_thread)(abfd, flavour, | |
4047 | file, buf); | |
4048 | free (buf); | |
4049 | } | |
4050 | } | |
4051 | break; | |
4052 | } | |
ad86f1fb TG |
4053 | case BFD_MACH_O_LC_DYLD_INFO: |
4054 | fprintf (file, "\n"); | |
4055 | bfd_mach_o_print_dyld_info (abfd, cmd, file); | |
4056 | break; | |
edbdea0e TG |
4057 | case BFD_MACH_O_LC_VERSION_MIN_MACOSX: |
4058 | case BFD_MACH_O_LC_VERSION_MIN_IPHONEOS: | |
4059 | { | |
4060 | bfd_mach_o_version_min_command *ver = &cmd->command.version_min; | |
4061 | ||
4062 | fprintf (file, " %u.%u.%u\n", ver->rel, ver->maj, ver->min); | |
4063 | } | |
4064 | break; | |
15e1c58a | 4065 | default: |
046b007d | 4066 | fprintf (file, "\n"); |
edbdea0e TG |
4067 | fprintf (file, " offset: 0x%08lx\n", (unsigned long)cmd->offset); |
4068 | fprintf (file, " size: 0x%08lx\n", (unsigned long)cmd->len); | |
15e1c58a TG |
4069 | break; |
4070 | } | |
046b007d | 4071 | fputc ('\n', file); |
15e1c58a TG |
4072 | } |
4073 | ||
046b007d TG |
4074 | bfd_mach_o_print_section_map (abfd, file); |
4075 | ||
15e1c58a TG |
4076 | return TRUE; |
4077 | } | |
4078 | ||
3af9a47b | 4079 | int |
116c20d2 NC |
4080 | bfd_mach_o_core_fetch_environment (bfd *abfd, |
4081 | unsigned char **rbuf, | |
4082 | unsigned int *rlen) | |
3af9a47b | 4083 | { |
046b007d | 4084 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
3af9a47b NC |
4085 | unsigned long stackaddr = bfd_mach_o_stack_addr (mdata->header.cputype); |
4086 | unsigned int i = 0; | |
4087 | ||
4088 | for (i = 0; i < mdata->header.ncmds; i++) | |
4089 | { | |
4090 | bfd_mach_o_load_command *cur = &mdata->commands[i]; | |
4091 | bfd_mach_o_segment_command *seg = NULL; | |
4092 | ||
4093 | if (cur->type != BFD_MACH_O_LC_SEGMENT) | |
4094 | continue; | |
4095 | ||
4096 | seg = &cur->command.segment; | |
4097 | ||
4098 | if ((seg->vmaddr + seg->vmsize) == stackaddr) | |
4099 | { | |
4100 | unsigned long start = seg->fileoff; | |
4101 | unsigned long end = seg->fileoff + seg->filesize; | |
4102 | unsigned char *buf = bfd_malloc (1024); | |
4103 | unsigned long size = 1024; | |
4104 | ||
4105 | for (;;) | |
4106 | { | |
4107 | bfd_size_type nread = 0; | |
4108 | unsigned long offset; | |
4109 | int found_nonnull = 0; | |
4110 | ||
4111 | if (size > (end - start)) | |
4112 | size = (end - start); | |
4113 | ||
515ef31d NC |
4114 | buf = bfd_realloc_or_free (buf, size); |
4115 | if (buf == NULL) | |
4116 | return -1; | |
c2f09c75 TG |
4117 | |
4118 | if (bfd_seek (abfd, end - size, SEEK_SET) != 0) | |
4119 | { | |
4120 | free (buf); | |
4121 | return -1; | |
4122 | } | |
4123 | ||
3af9a47b | 4124 | nread = bfd_bread (buf, size, abfd); |
a95a4550 | 4125 | |
3af9a47b | 4126 | if (nread != size) |
515ef31d NC |
4127 | { |
4128 | free (buf); | |
4129 | return -1; | |
4130 | } | |
a95a4550 | 4131 | |
3af9a47b NC |
4132 | for (offset = 4; offset <= size; offset += 4) |
4133 | { | |
e84d6fca | 4134 | unsigned long val; |
3af9a47b | 4135 | |
e84d6fca | 4136 | val = *((unsigned long *) (buf + size - offset)); |
3af9a47b NC |
4137 | if (! found_nonnull) |
4138 | { | |
4139 | if (val != 0) | |
4140 | found_nonnull = 1; | |
4141 | } | |
4142 | else if (val == 0x0) | |
4143 | { | |
e84d6fca AM |
4144 | unsigned long bottom; |
4145 | unsigned long top; | |
3af9a47b | 4146 | |
e84d6fca AM |
4147 | bottom = seg->fileoff + seg->filesize - offset; |
4148 | top = seg->fileoff + seg->filesize - 4; | |
3af9a47b NC |
4149 | *rbuf = bfd_malloc (top - bottom); |
4150 | *rlen = top - bottom; | |
4151 | ||
4152 | memcpy (*rbuf, buf + size - *rlen, *rlen); | |
515ef31d | 4153 | free (buf); |
3af9a47b NC |
4154 | return 0; |
4155 | } | |
4156 | } | |
4157 | ||
4158 | if (size == (end - start)) | |
4159 | break; | |
4160 | ||
4161 | size *= 2; | |
4162 | } | |
515ef31d NC |
4163 | |
4164 | free (buf); | |
3af9a47b NC |
4165 | } |
4166 | } | |
4167 | ||
4168 | return -1; | |
4169 | } | |
4170 | ||
4171 | char * | |
116c20d2 | 4172 | bfd_mach_o_core_file_failing_command (bfd *abfd) |
3af9a47b NC |
4173 | { |
4174 | unsigned char *buf = NULL; | |
4175 | unsigned int len = 0; | |
4176 | int ret = -1; | |
4177 | ||
4178 | ret = bfd_mach_o_core_fetch_environment (abfd, &buf, &len); | |
4179 | if (ret < 0) | |
4180 | return NULL; | |
4181 | ||
f075ee0c | 4182 | return (char *) buf; |
3af9a47b NC |
4183 | } |
4184 | ||
4185 | int | |
116c20d2 | 4186 | bfd_mach_o_core_file_failing_signal (bfd *abfd ATTRIBUTE_UNUSED) |
3af9a47b NC |
4187 | { |
4188 | return 0; | |
4189 | } | |
4190 | ||
92bc0e80 TG |
4191 | #define bfd_mach_o_bfd_reloc_type_lookup _bfd_norelocs_bfd_reloc_type_lookup |
4192 | #define bfd_mach_o_bfd_reloc_name_lookup _bfd_norelocs_bfd_reloc_name_lookup | |
4193 | ||
4194 | #define bfd_mach_o_swap_reloc_in NULL | |
4195 | #define bfd_mach_o_swap_reloc_out NULL | |
b32e07d7 | 4196 | #define bfd_mach_o_print_thread NULL |
92bc0e80 | 4197 | |
116c20d2 NC |
4198 | #define TARGET_NAME mach_o_be_vec |
4199 | #define TARGET_STRING "mach-o-be" | |
42fa0891 | 4200 | #define TARGET_ARCHITECTURE bfd_arch_unknown |
116c20d2 NC |
4201 | #define TARGET_BIG_ENDIAN 1 |
4202 | #define TARGET_ARCHIVE 0 | |
3af9a47b NC |
4203 | #include "mach-o-target.c" |
4204 | ||
4205 | #undef TARGET_NAME | |
4206 | #undef TARGET_STRING | |
42fa0891 | 4207 | #undef TARGET_ARCHITECTURE |
3af9a47b NC |
4208 | #undef TARGET_BIG_ENDIAN |
4209 | #undef TARGET_ARCHIVE | |
4210 | ||
116c20d2 NC |
4211 | #define TARGET_NAME mach_o_le_vec |
4212 | #define TARGET_STRING "mach-o-le" | |
42fa0891 | 4213 | #define TARGET_ARCHITECTURE bfd_arch_unknown |
116c20d2 NC |
4214 | #define TARGET_BIG_ENDIAN 0 |
4215 | #define TARGET_ARCHIVE 0 | |
3af9a47b NC |
4216 | |
4217 | #include "mach-o-target.c" | |
4218 | ||
4219 | #undef TARGET_NAME | |
4220 | #undef TARGET_STRING | |
42fa0891 | 4221 | #undef TARGET_ARCHITECTURE |
3af9a47b NC |
4222 | #undef TARGET_BIG_ENDIAN |
4223 | #undef TARGET_ARCHIVE | |
4224 | ||
8f95b6e4 TG |
4225 | /* Not yet handled: creating an archive. */ |
4226 | #define bfd_mach_o_mkarchive _bfd_noarchive_mkarchive | |
4227 | ||
4228 | /* Not used. */ | |
4229 | #define bfd_mach_o_read_ar_hdr _bfd_noarchive_read_ar_hdr | |
4230 | #define bfd_mach_o_write_ar_hdr _bfd_noarchive_write_ar_hdr | |
4231 | #define bfd_mach_o_slurp_armap _bfd_noarchive_slurp_armap | |
4232 | #define bfd_mach_o_slurp_extended_name_table _bfd_noarchive_slurp_extended_name_table | |
4233 | #define bfd_mach_o_construct_extended_name_table _bfd_noarchive_construct_extended_name_table | |
4234 | #define bfd_mach_o_truncate_arname _bfd_noarchive_truncate_arname | |
4235 | #define bfd_mach_o_write_armap _bfd_noarchive_write_armap | |
4236 | #define bfd_mach_o_get_elt_at_index _bfd_noarchive_get_elt_at_index | |
4237 | #define bfd_mach_o_generic_stat_arch_elt _bfd_noarchive_generic_stat_arch_elt | |
4238 | #define bfd_mach_o_update_armap_timestamp _bfd_noarchive_update_armap_timestamp | |
4239 | ||
116c20d2 NC |
4240 | #define TARGET_NAME mach_o_fat_vec |
4241 | #define TARGET_STRING "mach-o-fat" | |
42fa0891 | 4242 | #define TARGET_ARCHITECTURE bfd_arch_unknown |
116c20d2 NC |
4243 | #define TARGET_BIG_ENDIAN 1 |
4244 | #define TARGET_ARCHIVE 1 | |
3af9a47b NC |
4245 | |
4246 | #include "mach-o-target.c" | |
4247 | ||
4248 | #undef TARGET_NAME | |
4249 | #undef TARGET_STRING | |
42fa0891 | 4250 | #undef TARGET_ARCHITECTURE |
3af9a47b NC |
4251 | #undef TARGET_BIG_ENDIAN |
4252 | #undef TARGET_ARCHIVE |