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: | |
e0ce1005 TG |
550 | if (symbol->value == 0) |
551 | name = "UND"; | |
552 | else | |
553 | name = "COM"; | |
15e1c58a TG |
554 | break; |
555 | case BFD_MACH_O_N_ABS: | |
556 | name = "ABS"; | |
557 | break; | |
558 | case BFD_MACH_O_N_INDR: | |
559 | name = "INDR"; | |
560 | break; | |
561 | case BFD_MACH_O_N_PBUD: | |
562 | name = "PBUD"; | |
563 | break; | |
564 | case BFD_MACH_O_N_SECT: | |
565 | name = "SECT"; | |
566 | break; | |
567 | default: | |
568 | name = "???"; | |
569 | break; | |
570 | } | |
571 | if (name == NULL) | |
572 | name = ""; | |
92bc0e80 TG |
573 | fprintf (file, " %02x %-6s %02x %04x", |
574 | asym->n_type, name, asym->n_sect, asym->n_desc); | |
575 | if ((asym->n_type & BFD_MACH_O_N_STAB) == 0 | |
576 | && (asym->n_type & BFD_MACH_O_N_TYPE) == BFD_MACH_O_N_SECT) | |
e0ce1005 | 577 | fprintf (file, " [%s]", symbol->section->name); |
15e1c58a | 578 | fprintf (file, " %s", symbol->name); |
3af9a47b NC |
579 | } |
580 | } | |
581 | ||
582 | static void | |
116c20d2 NC |
583 | bfd_mach_o_convert_architecture (bfd_mach_o_cpu_type mtype, |
584 | bfd_mach_o_cpu_subtype msubtype ATTRIBUTE_UNUSED, | |
585 | enum bfd_architecture *type, | |
586 | unsigned long *subtype) | |
3af9a47b NC |
587 | { |
588 | *subtype = bfd_arch_unknown; | |
589 | ||
590 | switch (mtype) | |
591 | { | |
592 | case BFD_MACH_O_CPU_TYPE_VAX: *type = bfd_arch_vax; break; | |
593 | case BFD_MACH_O_CPU_TYPE_MC680x0: *type = bfd_arch_m68k; break; | |
1e8a024a TG |
594 | case BFD_MACH_O_CPU_TYPE_I386: |
595 | *type = bfd_arch_i386; | |
596 | *subtype = bfd_mach_i386_i386; | |
597 | break; | |
598 | case BFD_MACH_O_CPU_TYPE_X86_64: | |
599 | *type = bfd_arch_i386; | |
600 | *subtype = bfd_mach_x86_64; | |
601 | break; | |
3af9a47b NC |
602 | case BFD_MACH_O_CPU_TYPE_MIPS: *type = bfd_arch_mips; break; |
603 | case BFD_MACH_O_CPU_TYPE_MC98000: *type = bfd_arch_m98k; break; | |
604 | case BFD_MACH_O_CPU_TYPE_HPPA: *type = bfd_arch_hppa; break; | |
605 | case BFD_MACH_O_CPU_TYPE_ARM: *type = bfd_arch_arm; break; | |
606 | case BFD_MACH_O_CPU_TYPE_MC88000: *type = bfd_arch_m88k; break; | |
1e8a024a TG |
607 | case BFD_MACH_O_CPU_TYPE_SPARC: |
608 | *type = bfd_arch_sparc; | |
609 | *subtype = bfd_mach_sparc; | |
610 | break; | |
3af9a47b NC |
611 | case BFD_MACH_O_CPU_TYPE_I860: *type = bfd_arch_i860; break; |
612 | case BFD_MACH_O_CPU_TYPE_ALPHA: *type = bfd_arch_alpha; break; | |
1e8a024a TG |
613 | case BFD_MACH_O_CPU_TYPE_POWERPC: |
614 | *type = bfd_arch_powerpc; | |
c2f09c75 | 615 | *subtype = bfd_mach_ppc; |
1e8a024a TG |
616 | break; |
617 | case BFD_MACH_O_CPU_TYPE_POWERPC_64: | |
618 | *type = bfd_arch_powerpc; | |
c2f09c75 | 619 | *subtype = bfd_mach_ppc64; |
1e8a024a | 620 | break; |
3af9a47b | 621 | default: |
1e8a024a TG |
622 | *type = bfd_arch_unknown; |
623 | break; | |
3af9a47b NC |
624 | } |
625 | } | |
a95a4550 | 626 | |
154a1ee5 | 627 | static bfd_boolean |
116c20d2 NC |
628 | bfd_mach_o_write_header (bfd *abfd, bfd_mach_o_header *header) |
629 | { | |
46d1c23b | 630 | struct mach_o_header_external raw; |
1e8a024a TG |
631 | unsigned int size; |
632 | ||
c2f09c75 | 633 | size = mach_o_wide_p (header) ? |
154a1ee5 | 634 | BFD_MACH_O_HEADER_64_SIZE : BFD_MACH_O_HEADER_SIZE; |
116c20d2 | 635 | |
46d1c23b TG |
636 | bfd_h_put_32 (abfd, header->magic, raw.magic); |
637 | bfd_h_put_32 (abfd, header->cputype, raw.cputype); | |
638 | bfd_h_put_32 (abfd, header->cpusubtype, raw.cpusubtype); | |
639 | bfd_h_put_32 (abfd, header->filetype, raw.filetype); | |
640 | bfd_h_put_32 (abfd, header->ncmds, raw.ncmds); | |
641 | bfd_h_put_32 (abfd, header->sizeofcmds, raw.sizeofcmds); | |
642 | bfd_h_put_32 (abfd, header->flags, raw.flags); | |
116c20d2 | 643 | |
c2f09c75 | 644 | if (mach_o_wide_p (header)) |
46d1c23b | 645 | bfd_h_put_32 (abfd, header->reserved, raw.reserved); |
1e8a024a | 646 | |
c2f09c75 | 647 | if (bfd_seek (abfd, 0, SEEK_SET) != 0 |
46d1c23b | 648 | || bfd_bwrite (&raw, size, abfd) != size) |
154a1ee5 | 649 | return FALSE; |
116c20d2 | 650 | |
154a1ee5 | 651 | return TRUE; |
116c20d2 NC |
652 | } |
653 | ||
654 | static int | |
ab273af8 | 655 | bfd_mach_o_write_thread (bfd *abfd, bfd_mach_o_load_command *command) |
116c20d2 NC |
656 | { |
657 | bfd_mach_o_thread_command *cmd = &command->command.thread; | |
658 | unsigned int i; | |
46d1c23b | 659 | struct mach_o_thread_command_external raw; |
92bc0e80 | 660 | unsigned int offset; |
116c20d2 NC |
661 | |
662 | BFD_ASSERT ((command->type == BFD_MACH_O_LC_THREAD) | |
663 | || (command->type == BFD_MACH_O_LC_UNIXTHREAD)); | |
664 | ||
665 | offset = 8; | |
116c20d2 NC |
666 | for (i = 0; i < cmd->nflavours; i++) |
667 | { | |
668 | BFD_ASSERT ((cmd->flavours[i].size % 4) == 0); | |
46d1c23b TG |
669 | BFD_ASSERT (cmd->flavours[i].offset == |
670 | (command->offset + offset + BFD_MACH_O_LC_SIZE)); | |
116c20d2 | 671 | |
46d1c23b TG |
672 | bfd_h_put_32 (abfd, cmd->flavours[i].flavour, raw.flavour); |
673 | bfd_h_put_32 (abfd, (cmd->flavours[i].size / 4), raw.count); | |
116c20d2 | 674 | |
c2f09c75 | 675 | if (bfd_seek (abfd, command->offset + offset, SEEK_SET) != 0 |
46d1c23b | 676 | || bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw)) |
116c20d2 NC |
677 | return -1; |
678 | ||
46d1c23b | 679 | offset += cmd->flavours[i].size + sizeof (raw); |
116c20d2 NC |
680 | } |
681 | ||
682 | return 0; | |
683 | } | |
684 | ||
92bc0e80 TG |
685 | long |
686 | bfd_mach_o_get_reloc_upper_bound (bfd *abfd ATTRIBUTE_UNUSED, | |
687 | asection *asect) | |
688 | { | |
689 | return (asect->reloc_count + 1) * sizeof (arelent *); | |
690 | } | |
691 | ||
b32e07d7 | 692 | static int |
46d1c23b TG |
693 | bfd_mach_o_canonicalize_one_reloc (bfd *abfd, |
694 | struct mach_o_reloc_info_external *raw, | |
b32e07d7 | 695 | arelent *res, asymbol **syms) |
92bc0e80 | 696 | { |
046b007d | 697 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
92bc0e80 | 698 | bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd); |
b32e07d7 TG |
699 | bfd_mach_o_reloc_info reloc; |
700 | bfd_vma addr; | |
701 | bfd_vma symnum; | |
702 | asymbol **sym; | |
703 | ||
46d1c23b TG |
704 | addr = bfd_get_32 (abfd, raw->r_address); |
705 | symnum = bfd_get_32 (abfd, raw->r_symbolnum); | |
b32e07d7 TG |
706 | |
707 | if (addr & BFD_MACH_O_SR_SCATTERED) | |
708 | { | |
709 | unsigned int j; | |
710 | ||
711 | /* Scattered relocation. | |
712 | Extract section and offset from r_value. */ | |
713 | res->sym_ptr_ptr = NULL; | |
714 | res->addend = 0; | |
715 | for (j = 0; j < mdata->nsects; j++) | |
716 | { | |
717 | bfd_mach_o_section *sect = mdata->sections[j]; | |
718 | if (symnum >= sect->addr && symnum < sect->addr + sect->size) | |
719 | { | |
720 | res->sym_ptr_ptr = sect->bfdsection->symbol_ptr_ptr; | |
721 | res->addend = symnum - sect->addr; | |
722 | break; | |
723 | } | |
724 | } | |
725 | res->address = BFD_MACH_O_GET_SR_ADDRESS (addr); | |
726 | reloc.r_type = BFD_MACH_O_GET_SR_TYPE (addr); | |
727 | reloc.r_length = BFD_MACH_O_GET_SR_LENGTH (addr); | |
728 | reloc.r_pcrel = addr & BFD_MACH_O_SR_PCREL; | |
729 | reloc.r_scattered = 1; | |
730 | } | |
731 | else | |
732 | { | |
733 | unsigned int num = BFD_MACH_O_GET_R_SYMBOLNUM (symnum); | |
734 | res->addend = 0; | |
735 | res->address = addr; | |
736 | if (symnum & BFD_MACH_O_R_EXTERN) | |
06988dfc TG |
737 | { |
738 | sym = syms + num; | |
739 | reloc.r_extern = 1; | |
740 | } | |
b32e07d7 TG |
741 | else |
742 | { | |
743 | BFD_ASSERT (num != 0); | |
744 | BFD_ASSERT (num <= mdata->nsects); | |
745 | sym = mdata->sections[num - 1]->bfdsection->symbol_ptr_ptr; | |
1523fa24 TG |
746 | /* For a symbol defined in section S, the addend (stored in the |
747 | binary) contains the address of the section. To comply with | |
748 | bfd conventio, substract the section address. | |
749 | Use the address from the header, so that the user can modify | |
750 | the vma of the section. */ | |
751 | res->addend = -mdata->sections[num - 1]->addr; | |
06988dfc | 752 | reloc.r_extern = 0; |
b32e07d7 TG |
753 | } |
754 | res->sym_ptr_ptr = sym; | |
755 | reloc.r_type = BFD_MACH_O_GET_R_TYPE (symnum); | |
756 | reloc.r_length = BFD_MACH_O_GET_R_LENGTH (symnum); | |
757 | reloc.r_pcrel = (symnum & BFD_MACH_O_R_PCREL) ? 1 : 0; | |
758 | reloc.r_scattered = 0; | |
759 | } | |
760 | ||
761 | if (!(*bed->_bfd_mach_o_swap_reloc_in)(res, &reloc)) | |
762 | return -1; | |
763 | return 0; | |
764 | } | |
765 | ||
766 | static int | |
767 | bfd_mach_o_canonicalize_relocs (bfd *abfd, unsigned long filepos, | |
768 | unsigned long count, | |
769 | arelent *res, asymbol **syms) | |
770 | { | |
92bc0e80 | 771 | unsigned long i; |
46d1c23b | 772 | struct mach_o_reloc_info_external *native_relocs; |
92bc0e80 TG |
773 | bfd_size_type native_size; |
774 | ||
92bc0e80 | 775 | /* Allocate and read relocs. */ |
b32e07d7 | 776 | native_size = count * BFD_MACH_O_RELENT_SIZE; |
46d1c23b TG |
777 | native_relocs = |
778 | (struct mach_o_reloc_info_external *) bfd_malloc (native_size); | |
92bc0e80 TG |
779 | if (native_relocs == NULL) |
780 | return -1; | |
781 | ||
b32e07d7 | 782 | if (bfd_seek (abfd, filepos, SEEK_SET) != 0 |
92bc0e80 | 783 | || bfd_bread (native_relocs, native_size, abfd) != native_size) |
b32e07d7 TG |
784 | goto err; |
785 | ||
786 | for (i = 0; i < count; i++) | |
92bc0e80 | 787 | { |
46d1c23b TG |
788 | if (bfd_mach_o_canonicalize_one_reloc (abfd, &native_relocs[i], |
789 | &res[i], syms) < 0) | |
b32e07d7 | 790 | goto err; |
92bc0e80 | 791 | } |
b32e07d7 TG |
792 | free (native_relocs); |
793 | return i; | |
794 | err: | |
795 | free (native_relocs); | |
796 | return -1; | |
797 | } | |
798 | ||
799 | long | |
800 | bfd_mach_o_canonicalize_reloc (bfd *abfd, asection *asect, | |
801 | arelent **rels, asymbol **syms) | |
802 | { | |
803 | bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd); | |
804 | unsigned long i; | |
805 | arelent *res; | |
806 | ||
807 | if (asect->reloc_count == 0) | |
808 | return 0; | |
809 | ||
810 | /* No need to go further if we don't know how to read relocs. */ | |
811 | if (bed->_bfd_mach_o_swap_reloc_in == NULL) | |
812 | return 0; | |
92bc0e80 TG |
813 | |
814 | res = bfd_malloc (asect->reloc_count * sizeof (arelent)); | |
815 | if (res == NULL) | |
b32e07d7 TG |
816 | return -1; |
817 | ||
818 | if (bfd_mach_o_canonicalize_relocs (abfd, asect->rel_filepos, | |
819 | asect->reloc_count, res, syms) < 0) | |
92bc0e80 | 820 | { |
b32e07d7 | 821 | free (res); |
92bc0e80 TG |
822 | return -1; |
823 | } | |
824 | ||
825 | for (i = 0; i < asect->reloc_count; i++) | |
b32e07d7 TG |
826 | rels[i] = &res[i]; |
827 | rels[i] = NULL; | |
828 | asect->relocation = res; | |
92bc0e80 | 829 | |
b32e07d7 TG |
830 | return i; |
831 | } | |
92bc0e80 | 832 | |
b32e07d7 TG |
833 | long |
834 | bfd_mach_o_get_dynamic_reloc_upper_bound (bfd *abfd) | |
835 | { | |
836 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
92bc0e80 | 837 | |
b32e07d7 TG |
838 | if (mdata->dysymtab == NULL) |
839 | return 1; | |
840 | return (mdata->dysymtab->nextrel + mdata->dysymtab->nlocrel) | |
841 | * sizeof (arelent *); | |
842 | } | |
92bc0e80 | 843 | |
b32e07d7 TG |
844 | long |
845 | bfd_mach_o_canonicalize_dynamic_reloc (bfd *abfd, arelent **rels, | |
846 | struct bfd_symbol **syms) | |
847 | { | |
848 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
849 | bfd_mach_o_dysymtab_command *dysymtab = mdata->dysymtab; | |
850 | bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd); | |
851 | unsigned long i; | |
852 | arelent *res; | |
853 | ||
854 | if (dysymtab == NULL) | |
855 | return 0; | |
856 | if (dysymtab->nextrel == 0 && dysymtab->nlocrel == 0) | |
857 | return 0; | |
858 | ||
859 | /* No need to go further if we don't know how to read relocs. */ | |
860 | if (bed->_bfd_mach_o_swap_reloc_in == NULL) | |
861 | return 0; | |
862 | ||
863 | res = bfd_malloc ((dysymtab->nextrel + dysymtab->nlocrel) * sizeof (arelent)); | |
864 | if (res == NULL) | |
865 | return -1; | |
866 | ||
867 | if (bfd_mach_o_canonicalize_relocs (abfd, dysymtab->extreloff, | |
868 | dysymtab->nextrel, res, syms) < 0) | |
869 | { | |
870 | free (res); | |
871 | return -1; | |
92bc0e80 | 872 | } |
b32e07d7 TG |
873 | |
874 | if (bfd_mach_o_canonicalize_relocs (abfd, dysymtab->locreloff, | |
875 | dysymtab->nlocrel, | |
876 | res + dysymtab->nextrel, syms) < 0) | |
877 | { | |
878 | free (res); | |
879 | return -1; | |
880 | } | |
881 | ||
882 | for (i = 0; i < dysymtab->nextrel + dysymtab->nlocrel; i++) | |
883 | rels[i] = &res[i]; | |
884 | rels[i] = NULL; | |
92bc0e80 TG |
885 | return i; |
886 | } | |
887 | ||
888 | static bfd_boolean | |
ab273af8 | 889 | bfd_mach_o_write_relocs (bfd *abfd, bfd_mach_o_section *section) |
92bc0e80 | 890 | { |
046b007d | 891 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
92bc0e80 TG |
892 | unsigned int i; |
893 | arelent **entries; | |
894 | asection *sec; | |
895 | bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd); | |
896 | ||
897 | sec = section->bfdsection; | |
898 | if (sec->reloc_count == 0) | |
899 | return TRUE; | |
900 | ||
901 | if (bed->_bfd_mach_o_swap_reloc_out == NULL) | |
902 | return TRUE; | |
903 | ||
904 | /* Allocate relocation room. */ | |
905 | mdata->filelen = FILE_ALIGN(mdata->filelen, 2); | |
906 | section->nreloc = sec->reloc_count; | |
907 | sec->rel_filepos = mdata->filelen; | |
908 | section->reloff = sec->rel_filepos; | |
909 | mdata->filelen += sec->reloc_count * BFD_MACH_O_RELENT_SIZE; | |
910 | ||
911 | if (bfd_seek (abfd, section->reloff, SEEK_SET) != 0) | |
912 | return FALSE; | |
913 | ||
914 | /* Convert and write. */ | |
915 | entries = section->bfdsection->orelocation; | |
916 | for (i = 0; i < section->nreloc; i++) | |
917 | { | |
918 | arelent *rel = entries[i]; | |
46d1c23b | 919 | struct mach_o_reloc_info_external raw; |
92bc0e80 TG |
920 | bfd_mach_o_reloc_info info, *pinfo = &info; |
921 | ||
922 | /* Convert relocation to an intermediate representation. */ | |
923 | if (!(*bed->_bfd_mach_o_swap_reloc_out) (rel, pinfo)) | |
924 | return FALSE; | |
925 | ||
926 | /* Lower the relocation info. */ | |
927 | if (pinfo->r_scattered) | |
928 | { | |
929 | unsigned long v; | |
930 | ||
931 | v = BFD_MACH_O_SR_SCATTERED | |
932 | | (pinfo->r_pcrel ? BFD_MACH_O_SR_PCREL : 0) | |
933 | | BFD_MACH_O_SET_SR_LENGTH(pinfo->r_length) | |
934 | | BFD_MACH_O_SET_SR_TYPE(pinfo->r_type) | |
935 | | BFD_MACH_O_SET_SR_ADDRESS(pinfo->r_address); | |
46d1c23b TG |
936 | /* Note: scattered relocs have field in reverse order... */ |
937 | bfd_put_32 (abfd, v, raw.r_address); | |
938 | bfd_put_32 (abfd, pinfo->r_value, raw.r_symbolnum); | |
92bc0e80 TG |
939 | } |
940 | else | |
941 | { | |
942 | unsigned long v; | |
943 | ||
46d1c23b | 944 | bfd_put_32 (abfd, pinfo->r_address, raw.r_address); |
92bc0e80 TG |
945 | v = BFD_MACH_O_SET_R_SYMBOLNUM (pinfo->r_value) |
946 | | (pinfo->r_pcrel ? BFD_MACH_O_R_PCREL : 0) | |
947 | | BFD_MACH_O_SET_R_LENGTH (pinfo->r_length) | |
948 | | (pinfo->r_extern ? BFD_MACH_O_R_EXTERN : 0) | |
949 | | BFD_MACH_O_SET_R_TYPE (pinfo->r_type); | |
46d1c23b | 950 | bfd_put_32 (abfd, v, raw.r_symbolnum); |
92bc0e80 TG |
951 | } |
952 | ||
46d1c23b | 953 | if (bfd_bwrite (&raw, BFD_MACH_O_RELENT_SIZE, abfd) |
92bc0e80 TG |
954 | != BFD_MACH_O_RELENT_SIZE) |
955 | return FALSE; | |
956 | } | |
957 | return TRUE; | |
958 | } | |
959 | ||
116c20d2 | 960 | static int |
ab273af8 | 961 | bfd_mach_o_write_section_32 (bfd *abfd, bfd_mach_o_section *section) |
116c20d2 | 962 | { |
46d1c23b TG |
963 | struct mach_o_section_32_external raw; |
964 | ||
965 | memcpy (raw.sectname, section->sectname, 16); | |
72b5104c | 966 | memcpy (raw.segname, section->segname, 16); |
46d1c23b TG |
967 | bfd_h_put_32 (abfd, section->addr, raw.addr); |
968 | bfd_h_put_32 (abfd, section->size, raw.size); | |
969 | bfd_h_put_32 (abfd, section->offset, raw.offset); | |
970 | bfd_h_put_32 (abfd, section->align, raw.align); | |
971 | bfd_h_put_32 (abfd, section->reloff, raw.reloff); | |
972 | bfd_h_put_32 (abfd, section->nreloc, raw.nreloc); | |
973 | bfd_h_put_32 (abfd, section->flags, raw.flags); | |
974 | bfd_h_put_32 (abfd, section->reserved1, raw.reserved1); | |
975 | bfd_h_put_32 (abfd, section->reserved2, raw.reserved2); | |
976 | ||
977 | if (bfd_bwrite (&raw, BFD_MACH_O_SECTION_SIZE, abfd) | |
92bc0e80 | 978 | != BFD_MACH_O_SECTION_SIZE) |
116c20d2 NC |
979 | return -1; |
980 | ||
981 | return 0; | |
982 | } | |
983 | ||
984 | static int | |
ab273af8 | 985 | bfd_mach_o_write_section_64 (bfd *abfd, bfd_mach_o_section *section) |
116c20d2 | 986 | { |
46d1c23b TG |
987 | struct mach_o_section_64_external raw; |
988 | ||
989 | memcpy (raw.sectname, section->sectname, 16); | |
990 | memcpy (raw.segname, section->segname, 16); | |
991 | bfd_h_put_64 (abfd, section->addr, raw.addr); | |
992 | bfd_h_put_64 (abfd, section->size, raw.size); | |
993 | bfd_h_put_32 (abfd, section->offset, raw.offset); | |
994 | bfd_h_put_32 (abfd, section->align, raw.align); | |
995 | bfd_h_put_32 (abfd, section->reloff, raw.reloff); | |
996 | bfd_h_put_32 (abfd, section->nreloc, raw.nreloc); | |
997 | bfd_h_put_32 (abfd, section->flags, raw.flags); | |
998 | bfd_h_put_32 (abfd, section->reserved1, raw.reserved1); | |
999 | bfd_h_put_32 (abfd, section->reserved2, raw.reserved2); | |
1000 | bfd_h_put_32 (abfd, section->reserved3, raw.reserved3); | |
1001 | ||
1002 | if (bfd_bwrite (&raw, BFD_MACH_O_SECTION_64_SIZE, abfd) | |
92bc0e80 | 1003 | != BFD_MACH_O_SECTION_64_SIZE) |
116c20d2 NC |
1004 | return -1; |
1005 | ||
1e8a024a TG |
1006 | return 0; |
1007 | } | |
1008 | ||
1009 | static int | |
ab273af8 | 1010 | bfd_mach_o_write_segment_32 (bfd *abfd, bfd_mach_o_load_command *command) |
1e8a024a | 1011 | { |
46d1c23b | 1012 | struct mach_o_segment_command_32_external raw; |
1e8a024a | 1013 | bfd_mach_o_segment_command *seg = &command->command.segment; |
f1bde64c | 1014 | bfd_mach_o_section *sec; |
1e8a024a | 1015 | |
c2f09c75 TG |
1016 | BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT); |
1017 | ||
f1bde64c TG |
1018 | for (sec = seg->sect_head; sec != NULL; sec = sec->next) |
1019 | if (!bfd_mach_o_write_relocs (abfd, sec)) | |
92bc0e80 | 1020 | return -1; |
c2f09c75 | 1021 | |
46d1c23b TG |
1022 | memcpy (raw.segname, seg->segname, 16); |
1023 | bfd_h_put_32 (abfd, seg->vmaddr, raw.vmaddr); | |
1024 | bfd_h_put_32 (abfd, seg->vmsize, raw.vmsize); | |
1025 | bfd_h_put_32 (abfd, seg->fileoff, raw.fileoff); | |
1026 | bfd_h_put_32 (abfd, seg->filesize, raw.filesize); | |
1027 | bfd_h_put_32 (abfd, seg->maxprot, raw.maxprot); | |
1028 | bfd_h_put_32 (abfd, seg->initprot, raw.initprot); | |
1029 | bfd_h_put_32 (abfd, seg->nsects, raw.nsects); | |
1030 | bfd_h_put_32 (abfd, seg->flags, raw.flags); | |
c2f09c75 | 1031 | |
46d1c23b TG |
1032 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 |
1033 | || bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
c2f09c75 | 1034 | return -1; |
1e8a024a | 1035 | |
f1bde64c TG |
1036 | for (sec = seg->sect_head; sec != NULL; sec = sec->next) |
1037 | if (bfd_mach_o_write_section_32 (abfd, sec)) | |
92bc0e80 | 1038 | return -1; |
1e8a024a | 1039 | |
116c20d2 NC |
1040 | return 0; |
1041 | } | |
1042 | ||
1e8a024a | 1043 | static int |
ab273af8 | 1044 | bfd_mach_o_write_segment_64 (bfd *abfd, bfd_mach_o_load_command *command) |
1e8a024a | 1045 | { |
46d1c23b | 1046 | struct mach_o_segment_command_64_external raw; |
c2f09c75 | 1047 | bfd_mach_o_segment_command *seg = &command->command.segment; |
f1bde64c | 1048 | bfd_mach_o_section *sec; |
c2f09c75 TG |
1049 | |
1050 | BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT_64); | |
1051 | ||
f1bde64c TG |
1052 | for (sec = seg->sect_head; sec != NULL; sec = sec->next) |
1053 | if (!bfd_mach_o_write_relocs (abfd, sec)) | |
92bc0e80 | 1054 | return -1; |
c2f09c75 | 1055 | |
46d1c23b TG |
1056 | memcpy (raw.segname, seg->segname, 16); |
1057 | bfd_h_put_64 (abfd, seg->vmaddr, raw.vmaddr); | |
1058 | bfd_h_put_64 (abfd, seg->vmsize, raw.vmsize); | |
1059 | bfd_h_put_64 (abfd, seg->fileoff, raw.fileoff); | |
1060 | bfd_h_put_64 (abfd, seg->filesize, raw.filesize); | |
1061 | bfd_h_put_32 (abfd, seg->maxprot, raw.maxprot); | |
1062 | bfd_h_put_32 (abfd, seg->initprot, raw.initprot); | |
1063 | bfd_h_put_32 (abfd, seg->nsects, raw.nsects); | |
1064 | bfd_h_put_32 (abfd, seg->flags, raw.flags); | |
1065 | ||
1066 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 | |
1067 | || bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
c2f09c75 TG |
1068 | return -1; |
1069 | ||
f1bde64c TG |
1070 | for (sec = seg->sect_head; sec != NULL; sec = sec->next) |
1071 | if (bfd_mach_o_write_section_64 (abfd, sec)) | |
92bc0e80 | 1072 | return -1; |
c2f09c75 | 1073 | |
c2f09c75 | 1074 | return 0; |
1e8a024a TG |
1075 | } |
1076 | ||
c2f09c75 | 1077 | static bfd_boolean |
ab273af8 | 1078 | bfd_mach_o_write_symtab (bfd *abfd, bfd_mach_o_load_command *command) |
116c20d2 | 1079 | { |
046b007d | 1080 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
116c20d2 | 1081 | bfd_mach_o_symtab_command *sym = &command->command.symtab; |
116c20d2 | 1082 | unsigned long i; |
c2f09c75 | 1083 | unsigned int wide = bfd_mach_o_wide_p (abfd); |
046b007d | 1084 | unsigned int symlen = wide ? BFD_MACH_O_NLIST_64_SIZE : BFD_MACH_O_NLIST_SIZE; |
c2f09c75 TG |
1085 | struct bfd_strtab_hash *strtab; |
1086 | asymbol **symbols = bfd_get_outsymbols (abfd); | |
1087 | ||
1088 | BFD_ASSERT (command->type == BFD_MACH_O_LC_SYMTAB); | |
1089 | ||
1090 | /* Write the symbols first. */ | |
92bc0e80 TG |
1091 | mdata->filelen = FILE_ALIGN(mdata->filelen, wide ? 3 : 2); |
1092 | sym->symoff = mdata->filelen; | |
c2f09c75 TG |
1093 | if (bfd_seek (abfd, sym->symoff, SEEK_SET) != 0) |
1094 | return FALSE; | |
1095 | ||
1096 | sym->nsyms = bfd_get_symcount (abfd); | |
92bc0e80 | 1097 | mdata->filelen += sym->nsyms * symlen; |
c2f09c75 TG |
1098 | |
1099 | strtab = _bfd_stringtab_init (); | |
1100 | if (strtab == NULL) | |
1101 | return FALSE; | |
116c20d2 NC |
1102 | |
1103 | for (i = 0; i < sym->nsyms; i++) | |
1104 | { | |
91d6fa6a | 1105 | bfd_size_type str_index; |
92bc0e80 | 1106 | bfd_mach_o_asymbol *s = (bfd_mach_o_asymbol *)symbols[i]; |
c2f09c75 | 1107 | |
92bc0e80 | 1108 | /* Compute name index. */ |
c2f09c75 | 1109 | /* An index of 0 always means the empty string. */ |
92bc0e80 | 1110 | if (s->symbol.name == 0 || s->symbol.name[0] == '\0') |
91d6fa6a | 1111 | str_index = 0; |
c2f09c75 TG |
1112 | else |
1113 | { | |
91d6fa6a NC |
1114 | str_index = _bfd_stringtab_add (strtab, s->symbol.name, TRUE, FALSE); |
1115 | if (str_index == (bfd_size_type) -1) | |
c2f09c75 TG |
1116 | goto err; |
1117 | } | |
46d1c23b | 1118 | |
c2f09c75 | 1119 | if (wide) |
46d1c23b TG |
1120 | { |
1121 | struct mach_o_nlist_64_external raw; | |
1122 | ||
1123 | bfd_h_put_32 (abfd, str_index, raw.n_strx); | |
1124 | bfd_h_put_8 (abfd, s->n_type, raw.n_type); | |
1125 | bfd_h_put_8 (abfd, s->n_sect, raw.n_sect); | |
1126 | bfd_h_put_16 (abfd, s->n_desc, raw.n_desc); | |
1127 | bfd_h_put_64 (abfd, s->symbol.section->vma + s->symbol.value, | |
1128 | raw.n_value); | |
1129 | ||
1130 | if (bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
1131 | goto err; | |
1132 | } | |
c2f09c75 | 1133 | else |
46d1c23b TG |
1134 | { |
1135 | struct mach_o_nlist_external raw; | |
116c20d2 | 1136 | |
46d1c23b TG |
1137 | bfd_h_put_32 (abfd, str_index, raw.n_strx); |
1138 | bfd_h_put_8 (abfd, s->n_type, raw.n_type); | |
1139 | bfd_h_put_8 (abfd, s->n_sect, raw.n_sect); | |
1140 | bfd_h_put_16 (abfd, s->n_desc, raw.n_desc); | |
1141 | bfd_h_put_32 (abfd, s->symbol.section->vma + s->symbol.value, | |
1142 | raw.n_value); | |
1143 | ||
1144 | if (bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
1145 | goto err; | |
1146 | } | |
116c20d2 | 1147 | } |
c2f09c75 | 1148 | sym->strsize = _bfd_stringtab_size (strtab); |
92bc0e80 TG |
1149 | sym->stroff = mdata->filelen; |
1150 | mdata->filelen += sym->strsize; | |
116c20d2 | 1151 | |
c2f09c75 TG |
1152 | if (_bfd_stringtab_emit (abfd, strtab) != TRUE) |
1153 | goto err; | |
1154 | _bfd_stringtab_free (strtab); | |
116c20d2 | 1155 | |
c2f09c75 | 1156 | /* The command. */ |
46d1c23b TG |
1157 | { |
1158 | struct mach_o_symtab_command_external raw; | |
116c20d2 | 1159 | |
46d1c23b TG |
1160 | bfd_h_put_32 (abfd, sym->symoff, raw.symoff); |
1161 | bfd_h_put_32 (abfd, sym->nsyms, raw.nsyms); | |
1162 | bfd_h_put_32 (abfd, sym->stroff, raw.stroff); | |
1163 | bfd_h_put_32 (abfd, sym->strsize, raw.strsize); | |
1164 | ||
1165 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 | |
1166 | || bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
1167 | return FALSE; | |
1168 | } | |
116c20d2 | 1169 | |
c2f09c75 | 1170 | return TRUE; |
116c20d2 | 1171 | |
c2f09c75 TG |
1172 | err: |
1173 | _bfd_stringtab_free (strtab); | |
1174 | return FALSE; | |
116c20d2 NC |
1175 | } |
1176 | ||
92bc0e80 TG |
1177 | /* Process the symbols and generate Mach-O specific fields. |
1178 | Number them. */ | |
1179 | ||
1180 | static bfd_boolean | |
1181 | bfd_mach_o_mangle_symbols (bfd *abfd) | |
1182 | { | |
1183 | unsigned long i; | |
1184 | asymbol **symbols = bfd_get_outsymbols (abfd); | |
1185 | ||
1186 | for (i = 0; i < bfd_get_symcount (abfd); i++) | |
1187 | { | |
1188 | bfd_mach_o_asymbol *s = (bfd_mach_o_asymbol *)symbols[i]; | |
1189 | ||
1190 | if (s->n_type == BFD_MACH_O_N_UNDF && !(s->symbol.flags & BSF_DEBUGGING)) | |
1191 | { | |
1192 | /* As genuine Mach-O symbols type shouldn't be N_UNDF (undefined | |
1193 | symbols should be N_UNDEF | N_EXT), we suppose the back-end | |
1194 | values haven't been set. */ | |
1195 | if (s->symbol.section == bfd_abs_section_ptr) | |
1196 | s->n_type = BFD_MACH_O_N_ABS; | |
1197 | else if (s->symbol.section == bfd_und_section_ptr) | |
1198 | { | |
1199 | s->n_type = BFD_MACH_O_N_UNDF; | |
1200 | if (s->symbol.flags & BSF_WEAK) | |
1201 | s->n_desc |= BFD_MACH_O_N_WEAK_REF; | |
1202 | } | |
1203 | else if (s->symbol.section == bfd_com_section_ptr) | |
1204 | s->n_type = BFD_MACH_O_N_UNDF | BFD_MACH_O_N_EXT; | |
1205 | else | |
1206 | s->n_type = BFD_MACH_O_N_SECT; | |
1207 | ||
1208 | if (s->symbol.flags & BSF_GLOBAL) | |
1209 | s->n_type |= BFD_MACH_O_N_EXT; | |
1210 | } | |
1211 | ||
1212 | /* Compute section index. */ | |
1213 | if (s->symbol.section != bfd_abs_section_ptr | |
1214 | && s->symbol.section != bfd_und_section_ptr | |
1215 | && s->symbol.section != bfd_com_section_ptr) | |
1216 | s->n_sect = s->symbol.section->target_index; | |
1217 | ||
1218 | /* Number symbols. */ | |
1219 | s->symbol.udata.i = i; | |
1220 | } | |
1221 | return TRUE; | |
1222 | } | |
1223 | ||
154a1ee5 | 1224 | bfd_boolean |
116c20d2 | 1225 | bfd_mach_o_write_contents (bfd *abfd) |
3af9a47b NC |
1226 | { |
1227 | unsigned int i; | |
046b007d | 1228 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
3af9a47b | 1229 | |
92bc0e80 TG |
1230 | if (mdata->header.ncmds == 0) |
1231 | if (!bfd_mach_o_build_commands (abfd)) | |
1232 | return FALSE; | |
1233 | ||
3af9a47b | 1234 | /* Now write header information. */ |
c2f09c75 TG |
1235 | if (mdata->header.filetype == 0) |
1236 | { | |
1237 | if (abfd->flags & EXEC_P) | |
1238 | mdata->header.filetype = BFD_MACH_O_MH_EXECUTE; | |
1239 | else if (abfd->flags & DYNAMIC) | |
1240 | mdata->header.filetype = BFD_MACH_O_MH_DYLIB; | |
1241 | else | |
1242 | mdata->header.filetype = BFD_MACH_O_MH_OBJECT; | |
1243 | } | |
154a1ee5 | 1244 | if (!bfd_mach_o_write_header (abfd, &mdata->header)) |
b34976b6 | 1245 | return FALSE; |
3af9a47b | 1246 | |
92bc0e80 TG |
1247 | /* Assign a number to each symbols. */ |
1248 | if (!bfd_mach_o_mangle_symbols (abfd)) | |
1249 | return FALSE; | |
1250 | ||
3af9a47b NC |
1251 | for (i = 0; i < mdata->header.ncmds; i++) |
1252 | { | |
46d1c23b | 1253 | struct mach_o_load_command_external raw; |
3af9a47b NC |
1254 | bfd_mach_o_load_command *cur = &mdata->commands[i]; |
1255 | unsigned long typeflag; | |
1256 | ||
154a1ee5 | 1257 | typeflag = cur->type | (cur->type_required ? BFD_MACH_O_LC_REQ_DYLD : 0); |
3af9a47b | 1258 | |
46d1c23b TG |
1259 | bfd_h_put_32 (abfd, typeflag, raw.cmd); |
1260 | bfd_h_put_32 (abfd, cur->len, raw.cmdsize); | |
3af9a47b | 1261 | |
c2f09c75 | 1262 | if (bfd_seek (abfd, cur->offset, SEEK_SET) != 0 |
46d1c23b | 1263 | || bfd_bwrite (&raw, BFD_MACH_O_LC_SIZE, abfd) != 8) |
b34976b6 | 1264 | return FALSE; |
3af9a47b NC |
1265 | |
1266 | switch (cur->type) | |
1267 | { | |
1268 | case BFD_MACH_O_LC_SEGMENT: | |
ab273af8 | 1269 | if (bfd_mach_o_write_segment_32 (abfd, cur) != 0) |
1e8a024a TG |
1270 | return FALSE; |
1271 | break; | |
1272 | case BFD_MACH_O_LC_SEGMENT_64: | |
ab273af8 | 1273 | if (bfd_mach_o_write_segment_64 (abfd, cur) != 0) |
b34976b6 | 1274 | return FALSE; |
3af9a47b NC |
1275 | break; |
1276 | case BFD_MACH_O_LC_SYMTAB: | |
ab273af8 | 1277 | if (!bfd_mach_o_write_symtab (abfd, cur)) |
b34976b6 | 1278 | return FALSE; |
3af9a47b NC |
1279 | break; |
1280 | case BFD_MACH_O_LC_SYMSEG: | |
1281 | break; | |
1282 | case BFD_MACH_O_LC_THREAD: | |
1283 | case BFD_MACH_O_LC_UNIXTHREAD: | |
ab273af8 | 1284 | if (bfd_mach_o_write_thread (abfd, cur) != 0) |
b34976b6 | 1285 | return FALSE; |
3af9a47b NC |
1286 | break; |
1287 | case BFD_MACH_O_LC_LOADFVMLIB: | |
1288 | case BFD_MACH_O_LC_IDFVMLIB: | |
1289 | case BFD_MACH_O_LC_IDENT: | |
1290 | case BFD_MACH_O_LC_FVMFILE: | |
1291 | case BFD_MACH_O_LC_PREPAGE: | |
1292 | case BFD_MACH_O_LC_DYSYMTAB: | |
1293 | case BFD_MACH_O_LC_LOAD_DYLIB: | |
1294 | case BFD_MACH_O_LC_LOAD_WEAK_DYLIB: | |
1295 | case BFD_MACH_O_LC_ID_DYLIB: | |
046b007d | 1296 | case BFD_MACH_O_LC_REEXPORT_DYLIB: |
3af9a47b NC |
1297 | case BFD_MACH_O_LC_LOAD_DYLINKER: |
1298 | case BFD_MACH_O_LC_ID_DYLINKER: | |
1299 | case BFD_MACH_O_LC_PREBOUND_DYLIB: | |
1300 | case BFD_MACH_O_LC_ROUTINES: | |
1301 | case BFD_MACH_O_LC_SUB_FRAMEWORK: | |
1302 | break; | |
1303 | default: | |
4a97a0e5 AM |
1304 | (*_bfd_error_handler) (_("unable to write unknown load command 0x%lx"), |
1305 | (unsigned long) cur->type); | |
b34976b6 | 1306 | return FALSE; |
3af9a47b NC |
1307 | } |
1308 | } | |
1309 | ||
b34976b6 | 1310 | return TRUE; |
3af9a47b NC |
1311 | } |
1312 | ||
f1bde64c TG |
1313 | static void |
1314 | bfd_mach_o_append_section_to_segment (bfd_mach_o_segment_command *seg, | |
1315 | asection *sec) | |
1316 | { | |
1317 | bfd_mach_o_section *s = (bfd_mach_o_section *)sec->used_by_bfd; | |
1318 | if (seg->sect_head == NULL) | |
1319 | seg->sect_head = s; | |
1320 | else | |
1321 | seg->sect_tail->next = s; | |
1322 | seg->sect_tail = s; | |
1323 | } | |
1324 | ||
1325 | /* Create section Mach-O flags from BFD flags. */ | |
1326 | ||
1327 | static void | |
1328 | bfd_mach_o_set_section_flags_from_bfd (bfd *abfd ATTRIBUTE_UNUSED, asection *sec) | |
1329 | { | |
1330 | flagword bfd_flags; | |
1331 | bfd_mach_o_section *s = bfd_mach_o_get_mach_o_section (sec); | |
1332 | ||
1333 | /* Create default flags. */ | |
1334 | bfd_flags = bfd_get_section_flags (abfd, sec); | |
1335 | if ((bfd_flags & SEC_CODE) == SEC_CODE) | |
1336 | s->flags = BFD_MACH_O_S_ATTR_PURE_INSTRUCTIONS | |
1337 | | BFD_MACH_O_S_ATTR_SOME_INSTRUCTIONS | |
1338 | | BFD_MACH_O_S_REGULAR; | |
1339 | else if ((bfd_flags & (SEC_ALLOC | SEC_LOAD)) == SEC_ALLOC) | |
1340 | s->flags = BFD_MACH_O_S_ZEROFILL; | |
1341 | else if (bfd_flags & SEC_DEBUGGING) | |
1342 | s->flags = BFD_MACH_O_S_REGULAR | BFD_MACH_O_S_ATTR_DEBUG; | |
1343 | else | |
1344 | s->flags = BFD_MACH_O_S_REGULAR; | |
1345 | } | |
1346 | ||
154a1ee5 TG |
1347 | /* Build Mach-O load commands from the sections. */ |
1348 | ||
1349 | bfd_boolean | |
1350 | bfd_mach_o_build_commands (bfd *abfd) | |
1351 | { | |
046b007d | 1352 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
c2f09c75 | 1353 | unsigned int wide = mach_o_wide_p (&mdata->header); |
154a1ee5 | 1354 | bfd_mach_o_segment_command *seg; |
154a1ee5 | 1355 | asection *sec; |
c2f09c75 TG |
1356 | bfd_mach_o_load_command *cmd; |
1357 | bfd_mach_o_load_command *symtab_cmd; | |
1358 | int target_index; | |
154a1ee5 TG |
1359 | |
1360 | /* Return now if commands are already built. */ | |
1361 | if (mdata->header.ncmds) | |
1362 | return FALSE; | |
1363 | ||
f1bde64c TG |
1364 | /* Very simple version: a command (segment) to contain all the sections and |
1365 | a command for the symbol table. */ | |
c2f09c75 TG |
1366 | mdata->header.ncmds = 2; |
1367 | mdata->commands = bfd_alloc (abfd, mdata->header.ncmds | |
154a1ee5 TG |
1368 | * sizeof (bfd_mach_o_load_command)); |
1369 | if (mdata->commands == NULL) | |
1370 | return FALSE; | |
c2f09c75 TG |
1371 | cmd = &mdata->commands[0]; |
1372 | seg = &cmd->command.segment; | |
1373 | ||
154a1ee5 | 1374 | seg->nsects = bfd_count_sections (abfd); |
154a1ee5 TG |
1375 | |
1376 | /* Set segment command. */ | |
1377 | if (wide) | |
1378 | { | |
c2f09c75 TG |
1379 | cmd->type = BFD_MACH_O_LC_SEGMENT_64; |
1380 | cmd->offset = BFD_MACH_O_HEADER_64_SIZE; | |
1381 | cmd->len = BFD_MACH_O_LC_SEGMENT_64_SIZE | |
154a1ee5 TG |
1382 | + BFD_MACH_O_SECTION_64_SIZE * seg->nsects; |
1383 | } | |
1384 | else | |
1385 | { | |
c2f09c75 TG |
1386 | cmd->type = BFD_MACH_O_LC_SEGMENT; |
1387 | cmd->offset = BFD_MACH_O_HEADER_SIZE; | |
1388 | cmd->len = BFD_MACH_O_LC_SEGMENT_SIZE | |
154a1ee5 TG |
1389 | + BFD_MACH_O_SECTION_SIZE * seg->nsects; |
1390 | } | |
c2f09c75 TG |
1391 | cmd->type_required = FALSE; |
1392 | mdata->header.sizeofcmds = cmd->len; | |
92bc0e80 | 1393 | mdata->filelen = cmd->offset + cmd->len; |
154a1ee5 | 1394 | |
c2f09c75 TG |
1395 | /* Set symtab command. */ |
1396 | symtab_cmd = &mdata->commands[1]; | |
1397 | ||
1398 | symtab_cmd->type = BFD_MACH_O_LC_SYMTAB; | |
1399 | symtab_cmd->offset = cmd->offset + cmd->len; | |
1400 | symtab_cmd->len = 6 * 4; | |
1401 | symtab_cmd->type_required = FALSE; | |
1402 | ||
1403 | mdata->header.sizeofcmds += symtab_cmd->len; | |
92bc0e80 | 1404 | mdata->filelen += symtab_cmd->len; |
c2f09c75 TG |
1405 | |
1406 | /* Fill segment command. */ | |
154a1ee5 TG |
1407 | memset (seg->segname, 0, sizeof (seg->segname)); |
1408 | seg->vmaddr = 0; | |
92bc0e80 | 1409 | seg->fileoff = mdata->filelen; |
154a1ee5 TG |
1410 | seg->filesize = 0; |
1411 | seg->maxprot = BFD_MACH_O_PROT_READ | BFD_MACH_O_PROT_WRITE | |
1412 | | BFD_MACH_O_PROT_EXECUTE; | |
1413 | seg->initprot = seg->maxprot; | |
1414 | seg->flags = 0; | |
7ba695a9 TG |
1415 | seg->sect_head = NULL; |
1416 | seg->sect_tail = NULL; | |
154a1ee5 TG |
1417 | |
1418 | /* Create Mach-O sections. */ | |
c2f09c75 | 1419 | target_index = 0; |
154a1ee5 TG |
1420 | for (sec = abfd->sections; sec; sec = sec->next) |
1421 | { | |
f1bde64c | 1422 | bfd_mach_o_section *msect = bfd_mach_o_get_mach_o_section (sec); |
c2f09c75 | 1423 | |
f1bde64c TG |
1424 | bfd_mach_o_append_section_to_segment (seg, sec); |
1425 | ||
1426 | if (msect->flags == 0) | |
92bc0e80 | 1427 | { |
f1bde64c TG |
1428 | /* We suppose it hasn't been set. Convert from BFD flags. */ |
1429 | bfd_mach_o_set_section_flags_from_bfd (abfd, sec); | |
1430 | } | |
1431 | msect->addr = bfd_get_section_vma (abfd, sec); | |
1432 | msect->size = bfd_get_section_size (sec); | |
1433 | msect->align = bfd_get_section_alignment (abfd, sec); | |
1434 | ||
1435 | if (msect->size != 0) | |
1436 | { | |
1437 | mdata->filelen = FILE_ALIGN (mdata->filelen, msect->align); | |
1438 | msect->offset = mdata->filelen; | |
92bc0e80 TG |
1439 | } |
1440 | else | |
f1bde64c TG |
1441 | msect->offset = 0; |
1442 | ||
1443 | sec->filepos = msect->offset; | |
c2f09c75 | 1444 | sec->target_index = ++target_index; |
154a1ee5 | 1445 | |
f1bde64c | 1446 | mdata->filelen += msect->size; |
154a1ee5 | 1447 | } |
92bc0e80 | 1448 | seg->filesize = mdata->filelen - seg->fileoff; |
154a1ee5 TG |
1449 | seg->vmsize = seg->filesize; |
1450 | ||
1451 | return TRUE; | |
1452 | } | |
1453 | ||
1454 | /* Set the contents of a section. */ | |
1455 | ||
1456 | bfd_boolean | |
1457 | bfd_mach_o_set_section_contents (bfd *abfd, | |
1458 | asection *section, | |
1459 | const void * location, | |
1460 | file_ptr offset, | |
1461 | bfd_size_type count) | |
1462 | { | |
1463 | file_ptr pos; | |
1464 | ||
1465 | /* This must be done first, because bfd_set_section_contents is | |
1466 | going to set output_has_begun to TRUE. */ | |
1467 | if (! abfd->output_has_begun && ! bfd_mach_o_build_commands (abfd)) | |
1468 | return FALSE; | |
1469 | ||
1470 | if (count == 0) | |
1471 | return TRUE; | |
1472 | ||
1473 | pos = section->filepos + offset; | |
1474 | if (bfd_seek (abfd, pos, SEEK_SET) != 0 | |
1475 | || bfd_bwrite (location, count, abfd) != count) | |
1476 | return FALSE; | |
1477 | ||
1478 | return TRUE; | |
1479 | } | |
1480 | ||
1481 | int | |
116c20d2 | 1482 | bfd_mach_o_sizeof_headers (bfd *a ATTRIBUTE_UNUSED, |
a6b96beb | 1483 | struct bfd_link_info *info ATTRIBUTE_UNUSED) |
3af9a47b NC |
1484 | { |
1485 | return 0; | |
1486 | } | |
1487 | ||
1488 | /* Make an empty symbol. This is required only because | |
1489 | bfd_make_section_anyway wants to create a symbol for the section. */ | |
1490 | ||
154a1ee5 | 1491 | asymbol * |
116c20d2 | 1492 | bfd_mach_o_make_empty_symbol (bfd *abfd) |
3af9a47b | 1493 | { |
d3ce72d0 NC |
1494 | asymbol *new_symbol; |
1495 | ||
1496 | new_symbol = bfd_zalloc (abfd, sizeof (bfd_mach_o_asymbol)); | |
1497 | if (new_symbol == NULL) | |
1498 | return new_symbol; | |
1499 | new_symbol->the_bfd = abfd; | |
1500 | new_symbol->udata.i = 0; | |
1501 | return new_symbol; | |
3af9a47b NC |
1502 | } |
1503 | ||
154a1ee5 | 1504 | static bfd_boolean |
116c20d2 | 1505 | bfd_mach_o_read_header (bfd *abfd, bfd_mach_o_header *header) |
3af9a47b | 1506 | { |
46d1c23b | 1507 | struct mach_o_header_external raw; |
1e8a024a | 1508 | unsigned int size; |
edeb6e24 | 1509 | bfd_vma (*get32) (const void *) = NULL; |
3af9a47b | 1510 | |
1e8a024a | 1511 | /* Just read the magic number. */ |
c2f09c75 | 1512 | if (bfd_seek (abfd, 0, SEEK_SET) != 0 |
46d1c23b | 1513 | || bfd_bread (raw.magic, sizeof (raw.magic), abfd) != 4) |
154a1ee5 | 1514 | return FALSE; |
3af9a47b | 1515 | |
46d1c23b | 1516 | if (bfd_getb32 (raw.magic) == BFD_MACH_O_MH_MAGIC) |
3af9a47b NC |
1517 | { |
1518 | header->byteorder = BFD_ENDIAN_BIG; | |
154a1ee5 | 1519 | header->magic = BFD_MACH_O_MH_MAGIC; |
1e8a024a | 1520 | header->version = 1; |
3af9a47b NC |
1521 | get32 = bfd_getb32; |
1522 | } | |
46d1c23b | 1523 | else if (bfd_getl32 (raw.magic) == BFD_MACH_O_MH_MAGIC) |
3af9a47b | 1524 | { |
a95a4550 | 1525 | header->byteorder = BFD_ENDIAN_LITTLE; |
154a1ee5 | 1526 | header->magic = BFD_MACH_O_MH_MAGIC; |
1e8a024a TG |
1527 | header->version = 1; |
1528 | get32 = bfd_getl32; | |
1529 | } | |
46d1c23b | 1530 | else if (bfd_getb32 (raw.magic) == BFD_MACH_O_MH_MAGIC_64) |
1e8a024a TG |
1531 | { |
1532 | header->byteorder = BFD_ENDIAN_BIG; | |
154a1ee5 | 1533 | header->magic = BFD_MACH_O_MH_MAGIC_64; |
1e8a024a TG |
1534 | header->version = 2; |
1535 | get32 = bfd_getb32; | |
1536 | } | |
46d1c23b | 1537 | else if (bfd_getl32 (raw.magic) == BFD_MACH_O_MH_MAGIC_64) |
1e8a024a TG |
1538 | { |
1539 | header->byteorder = BFD_ENDIAN_LITTLE; | |
154a1ee5 | 1540 | header->magic = BFD_MACH_O_MH_MAGIC_64; |
1e8a024a | 1541 | header->version = 2; |
3af9a47b NC |
1542 | get32 = bfd_getl32; |
1543 | } | |
1544 | else | |
1545 | { | |
1546 | header->byteorder = BFD_ENDIAN_UNKNOWN; | |
154a1ee5 | 1547 | return FALSE; |
3af9a47b | 1548 | } |
a95a4550 | 1549 | |
1e8a024a | 1550 | /* Once the size of the header is known, read the full header. */ |
c2f09c75 | 1551 | size = mach_o_wide_p (header) ? |
154a1ee5 | 1552 | BFD_MACH_O_HEADER_64_SIZE : BFD_MACH_O_HEADER_SIZE; |
1e8a024a | 1553 | |
c2f09c75 | 1554 | if (bfd_seek (abfd, 0, SEEK_SET) != 0 |
46d1c23b | 1555 | || bfd_bread (&raw, size, abfd) != size) |
154a1ee5 | 1556 | return FALSE; |
1e8a024a | 1557 | |
46d1c23b TG |
1558 | header->cputype = (*get32) (raw.cputype); |
1559 | header->cpusubtype = (*get32) (raw.cpusubtype); | |
1560 | header->filetype = (*get32) (raw.filetype); | |
1561 | header->ncmds = (*get32) (raw.ncmds); | |
1562 | header->sizeofcmds = (*get32) (raw.sizeofcmds); | |
1563 | header->flags = (*get32) (raw.flags); | |
3af9a47b | 1564 | |
c2f09c75 | 1565 | if (mach_o_wide_p (header)) |
46d1c23b | 1566 | header->reserved = (*get32) (raw.reserved); |
1e8a024a | 1567 | |
154a1ee5 | 1568 | return TRUE; |
3af9a47b NC |
1569 | } |
1570 | ||
f1bde64c TG |
1571 | bfd_boolean |
1572 | bfd_mach_o_new_section_hook (bfd *abfd, asection *sec) | |
1573 | { | |
1574 | bfd_mach_o_section *s; | |
1575 | ||
1576 | s = bfd_mach_o_get_mach_o_section (sec); | |
1577 | if (s == NULL) | |
1578 | { | |
1579 | flagword bfd_flags; | |
1580 | ||
1581 | s = (bfd_mach_o_section *) bfd_zalloc (abfd, sizeof (*s)); | |
1582 | if (s == NULL) | |
1583 | return FALSE; | |
1584 | sec->used_by_bfd = s; | |
1585 | s->bfdsection = sec; | |
1586 | ||
1587 | /* Create default name. */ | |
1588 | bfd_mach_o_convert_section_name_to_mach_o (abfd, sec, s); | |
1589 | ||
1590 | /* Create default flags. */ | |
1591 | bfd_flags = bfd_get_section_flags (abfd, sec); | |
1592 | if ((bfd_flags & SEC_CODE) == SEC_CODE) | |
1593 | s->flags = BFD_MACH_O_S_ATTR_PURE_INSTRUCTIONS | |
1594 | | BFD_MACH_O_S_ATTR_SOME_INSTRUCTIONS | |
1595 | | BFD_MACH_O_S_REGULAR; | |
1596 | else if ((bfd_flags & (SEC_ALLOC | SEC_LOAD)) == SEC_ALLOC) | |
1597 | s->flags = BFD_MACH_O_S_ZEROFILL; | |
1598 | else if (bfd_flags & SEC_DEBUGGING) | |
1599 | s->flags = BFD_MACH_O_S_REGULAR | BFD_MACH_O_S_ATTR_DEBUG; | |
1600 | else | |
1601 | s->flags = BFD_MACH_O_S_REGULAR; | |
1602 | } | |
1603 | ||
1604 | return _bfd_generic_new_section_hook (abfd, sec); | |
1605 | } | |
1606 | ||
1607 | static void | |
1608 | bfd_mach_o_init_section_from_mach_o (bfd *abfd, asection *sec, | |
1609 | unsigned long prot) | |
3af9a47b | 1610 | { |
117ed4f8 | 1611 | flagword flags; |
f1bde64c | 1612 | bfd_mach_o_section *section; |
3af9a47b | 1613 | |
f1bde64c TG |
1614 | flags = bfd_get_section_flags (abfd, sec); |
1615 | section = bfd_mach_o_get_mach_o_section (sec); | |
3af9a47b | 1616 | |
8462aec7 | 1617 | if (flags == SEC_NO_FLAGS) |
ef17cb22 | 1618 | { |
8462aec7 TG |
1619 | /* Try to guess flags. */ |
1620 | if (section->flags & BFD_MACH_O_S_ATTR_DEBUG) | |
1621 | flags = SEC_DEBUGGING; | |
1622 | else | |
1623 | { | |
1624 | flags = SEC_ALLOC; | |
1625 | if ((section->flags & BFD_MACH_O_SECTION_TYPE_MASK) | |
1626 | != BFD_MACH_O_S_ZEROFILL) | |
1627 | { | |
1628 | flags |= SEC_LOAD; | |
1629 | if (prot & BFD_MACH_O_PROT_EXECUTE) | |
1630 | flags |= SEC_CODE; | |
1631 | if (prot & BFD_MACH_O_PROT_WRITE) | |
1632 | flags |= SEC_DATA; | |
1633 | else if (prot & BFD_MACH_O_PROT_READ) | |
1634 | flags |= SEC_READONLY; | |
1635 | } | |
1636 | } | |
ef17cb22 | 1637 | } |
15e1c58a TG |
1638 | else |
1639 | { | |
8462aec7 TG |
1640 | if ((flags & SEC_DEBUGGING) == 0) |
1641 | flags |= SEC_ALLOC; | |
15e1c58a | 1642 | } |
8462aec7 TG |
1643 | |
1644 | if (section->offset != 0) | |
1645 | flags |= SEC_HAS_CONTENTS; | |
92bc0e80 TG |
1646 | if (section->nreloc != 0) |
1647 | flags |= SEC_RELOC; | |
1648 | ||
f1bde64c TG |
1649 | bfd_set_section_flags (abfd, sec, flags); |
1650 | ||
1651 | sec->vma = section->addr; | |
1652 | sec->lma = section->addr; | |
1653 | sec->size = section->size; | |
1654 | sec->filepos = section->offset; | |
1655 | sec->alignment_power = section->align; | |
1656 | sec->segment_mark = 0; | |
1657 | sec->reloc_count = section->nreloc; | |
1658 | sec->rel_filepos = section->reloff; | |
1659 | } | |
1660 | ||
1661 | static asection * | |
1662 | bfd_mach_o_make_bfd_section (bfd *abfd, | |
1663 | const unsigned char *segname, | |
1664 | const unsigned char *sectname) | |
1665 | { | |
1666 | const char *sname; | |
1667 | flagword flags; | |
a95a4550 | 1668 | |
f1bde64c TG |
1669 | bfd_mach_o_convert_section_name_to_bfd |
1670 | (abfd, (const char *)segname, (const char *)sectname, &sname, &flags); | |
1671 | if (sname == NULL) | |
1672 | return NULL; | |
3af9a47b | 1673 | |
f1bde64c | 1674 | return bfd_make_section_anyway_with_flags (abfd, sname, flags); |
3af9a47b NC |
1675 | } |
1676 | ||
f1bde64c | 1677 | static asection * |
ab273af8 | 1678 | bfd_mach_o_read_section_32 (bfd *abfd, |
ab273af8 TG |
1679 | unsigned int offset, |
1680 | unsigned long prot) | |
3af9a47b | 1681 | { |
46d1c23b | 1682 | struct mach_o_section_32_external raw; |
f1bde64c TG |
1683 | asection *sec; |
1684 | bfd_mach_o_section *section; | |
3af9a47b | 1685 | |
c2f09c75 | 1686 | if (bfd_seek (abfd, offset, SEEK_SET) != 0 |
46d1c23b | 1687 | || (bfd_bread (&raw, BFD_MACH_O_SECTION_SIZE, abfd) |
c2f09c75 | 1688 | != BFD_MACH_O_SECTION_SIZE)) |
f1bde64c | 1689 | return NULL; |
a95a4550 | 1690 | |
5a5cbf72 | 1691 | sec = bfd_mach_o_make_bfd_section (abfd, raw.segname, raw.sectname); |
f1bde64c TG |
1692 | if (sec == NULL) |
1693 | return NULL; | |
1694 | ||
1695 | section = bfd_mach_o_get_mach_o_section (sec); | |
1696 | memcpy (section->segname, raw.segname, sizeof (raw.segname)); | |
1697 | section->segname[BFD_MACH_O_SEGNAME_SIZE] = 0; | |
1698 | memcpy (section->sectname, raw.sectname, sizeof (raw.sectname)); | |
1699 | section->segname[BFD_MACH_O_SECTNAME_SIZE] = 0; | |
46d1c23b TG |
1700 | section->addr = bfd_h_get_32 (abfd, raw.addr); |
1701 | section->size = bfd_h_get_32 (abfd, raw.size); | |
1702 | section->offset = bfd_h_get_32 (abfd, raw.offset); | |
1703 | section->align = bfd_h_get_32 (abfd, raw.align); | |
1704 | section->reloff = bfd_h_get_32 (abfd, raw.reloff); | |
1705 | section->nreloc = bfd_h_get_32 (abfd, raw.nreloc); | |
1706 | section->flags = bfd_h_get_32 (abfd, raw.flags); | |
1707 | section->reserved1 = bfd_h_get_32 (abfd, raw.reserved1); | |
1708 | section->reserved2 = bfd_h_get_32 (abfd, raw.reserved2); | |
1e8a024a | 1709 | section->reserved3 = 0; |
1e8a024a | 1710 | |
f1bde64c | 1711 | bfd_mach_o_init_section_from_mach_o (abfd, sec, prot); |
1e8a024a | 1712 | |
f1bde64c | 1713 | return sec; |
1e8a024a TG |
1714 | } |
1715 | ||
f1bde64c | 1716 | static asection * |
ab273af8 | 1717 | bfd_mach_o_read_section_64 (bfd *abfd, |
ab273af8 TG |
1718 | unsigned int offset, |
1719 | unsigned long prot) | |
1e8a024a | 1720 | { |
46d1c23b | 1721 | struct mach_o_section_64_external raw; |
f1bde64c TG |
1722 | asection *sec; |
1723 | bfd_mach_o_section *section; | |
1e8a024a | 1724 | |
c2f09c75 | 1725 | if (bfd_seek (abfd, offset, SEEK_SET) != 0 |
46d1c23b | 1726 | || (bfd_bread (&raw, BFD_MACH_O_SECTION_64_SIZE, abfd) |
c2f09c75 | 1727 | != BFD_MACH_O_SECTION_64_SIZE)) |
f1bde64c TG |
1728 | return NULL; |
1729 | ||
5a5cbf72 | 1730 | sec = bfd_mach_o_make_bfd_section (abfd, raw.segname, raw.sectname); |
f1bde64c TG |
1731 | if (sec == NULL) |
1732 | return NULL; | |
1e8a024a | 1733 | |
f1bde64c TG |
1734 | section = bfd_mach_o_get_mach_o_section (sec); |
1735 | memcpy (section->segname, raw.segname, sizeof (raw.segname)); | |
1736 | section->segname[BFD_MACH_O_SEGNAME_SIZE] = 0; | |
1737 | memcpy (section->sectname, raw.sectname, sizeof (raw.sectname)); | |
1738 | section->segname[BFD_MACH_O_SECTNAME_SIZE] = 0; | |
46d1c23b TG |
1739 | section->addr = bfd_h_get_64 (abfd, raw.addr); |
1740 | section->size = bfd_h_get_64 (abfd, raw.size); | |
1741 | section->offset = bfd_h_get_32 (abfd, raw.offset); | |
1742 | section->align = bfd_h_get_32 (abfd, raw.align); | |
1743 | section->reloff = bfd_h_get_32 (abfd, raw.reloff); | |
1744 | section->nreloc = bfd_h_get_32 (abfd, raw.nreloc); | |
1745 | section->flags = bfd_h_get_32 (abfd, raw.flags); | |
1746 | section->reserved1 = bfd_h_get_32 (abfd, raw.reserved1); | |
1747 | section->reserved2 = bfd_h_get_32 (abfd, raw.reserved2); | |
1748 | section->reserved3 = bfd_h_get_32 (abfd, raw.reserved3); | |
3af9a47b | 1749 | |
f1bde64c | 1750 | bfd_mach_o_init_section_from_mach_o (abfd, sec, prot); |
3af9a47b | 1751 | |
f1bde64c | 1752 | return sec; |
3af9a47b NC |
1753 | } |
1754 | ||
f1bde64c | 1755 | static asection * |
ab273af8 | 1756 | bfd_mach_o_read_section (bfd *abfd, |
ab273af8 TG |
1757 | unsigned int offset, |
1758 | unsigned long prot, | |
1759 | unsigned int wide) | |
1e8a024a TG |
1760 | { |
1761 | if (wide) | |
f1bde64c | 1762 | return bfd_mach_o_read_section_64 (abfd, offset, prot); |
1e8a024a | 1763 | else |
f1bde64c | 1764 | return bfd_mach_o_read_section_32 (abfd, offset, prot); |
1e8a024a TG |
1765 | } |
1766 | ||
046b007d | 1767 | static int |
ab273af8 TG |
1768 | bfd_mach_o_read_symtab_symbol (bfd *abfd, |
1769 | bfd_mach_o_symtab_command *sym, | |
1770 | bfd_mach_o_asymbol *s, | |
1771 | unsigned long i) | |
3af9a47b | 1772 | { |
046b007d | 1773 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
c2f09c75 | 1774 | unsigned int wide = mach_o_wide_p (&mdata->header); |
046b007d TG |
1775 | unsigned int symwidth = |
1776 | wide ? BFD_MACH_O_NLIST_64_SIZE : BFD_MACH_O_NLIST_SIZE; | |
92bc0e80 | 1777 | unsigned int symoff = sym->symoff + (i * symwidth); |
46d1c23b | 1778 | struct mach_o_nlist_64_external raw; |
3af9a47b NC |
1779 | unsigned char type = -1; |
1780 | unsigned char section = -1; | |
1781 | short desc = -1; | |
1e8a024a | 1782 | symvalue value = -1; |
3af9a47b NC |
1783 | unsigned long stroff = -1; |
1784 | unsigned int symtype = -1; | |
1785 | ||
1786 | BFD_ASSERT (sym->strtab != NULL); | |
1787 | ||
c2f09c75 | 1788 | if (bfd_seek (abfd, symoff, SEEK_SET) != 0 |
46d1c23b | 1789 | || bfd_bread (&raw, symwidth, abfd) != symwidth) |
3af9a47b | 1790 | { |
46d1c23b TG |
1791 | (*_bfd_error_handler) |
1792 | (_("bfd_mach_o_read_symtab_symbol: unable to read %d bytes at %lu"), | |
1793 | symwidth, (unsigned long) symoff); | |
3af9a47b NC |
1794 | return -1; |
1795 | } | |
1796 | ||
46d1c23b TG |
1797 | stroff = bfd_h_get_32 (abfd, raw.n_strx); |
1798 | type = bfd_h_get_8 (abfd, raw.n_type); | |
c2f09c75 | 1799 | symtype = type & BFD_MACH_O_N_TYPE; |
46d1c23b TG |
1800 | section = bfd_h_get_8 (abfd, raw.n_sect); |
1801 | desc = bfd_h_get_16 (abfd, raw.n_desc); | |
1e8a024a | 1802 | if (wide) |
46d1c23b | 1803 | value = bfd_h_get_64 (abfd, raw.n_value); |
1e8a024a | 1804 | else |
46d1c23b | 1805 | value = bfd_h_get_32 (abfd, raw.n_value); |
3af9a47b NC |
1806 | |
1807 | if (stroff >= sym->strsize) | |
1808 | { | |
46d1c23b TG |
1809 | (*_bfd_error_handler) |
1810 | (_("bfd_mach_o_read_symtab_symbol: name out of range (%lu >= %lu)"), | |
1811 | (unsigned long) stroff, | |
1812 | (unsigned long) sym->strsize); | |
a95a4550 | 1813 | return -1; |
3af9a47b NC |
1814 | } |
1815 | ||
92bc0e80 TG |
1816 | s->symbol.the_bfd = abfd; |
1817 | s->symbol.name = sym->strtab + stroff; | |
1818 | s->symbol.value = value; | |
1819 | s->symbol.flags = 0x0; | |
1820 | s->symbol.udata.i = 0; | |
1821 | s->n_type = type; | |
1822 | s->n_sect = section; | |
1823 | s->n_desc = desc; | |
3af9a47b NC |
1824 | |
1825 | if (type & BFD_MACH_O_N_STAB) | |
1826 | { | |
92bc0e80 TG |
1827 | s->symbol.flags |= BSF_DEBUGGING; |
1828 | s->symbol.section = bfd_und_section_ptr; | |
15e1c58a TG |
1829 | switch (type) |
1830 | { | |
1831 | case N_FUN: | |
1832 | case N_STSYM: | |
1833 | case N_LCSYM: | |
1834 | case N_BNSYM: | |
1835 | case N_SLINE: | |
1836 | case N_ENSYM: | |
1837 | case N_ECOMM: | |
1838 | case N_ECOML: | |
1839 | case N_GSYM: | |
1840 | if ((section > 0) && (section <= mdata->nsects)) | |
1841 | { | |
92bc0e80 TG |
1842 | s->symbol.section = mdata->sections[section - 1]->bfdsection; |
1843 | s->symbol.value = | |
1844 | s->symbol.value - mdata->sections[section - 1]->addr; | |
15e1c58a TG |
1845 | } |
1846 | break; | |
1847 | } | |
3af9a47b NC |
1848 | } |
1849 | else | |
1850 | { | |
1851 | if (type & BFD_MACH_O_N_PEXT) | |
92bc0e80 | 1852 | s->symbol.flags |= BSF_GLOBAL; |
c2f09c75 | 1853 | |
3af9a47b | 1854 | if (type & BFD_MACH_O_N_EXT) |
92bc0e80 | 1855 | s->symbol.flags |= BSF_GLOBAL; |
15e1c58a TG |
1856 | |
1857 | if (!(type & (BFD_MACH_O_N_PEXT | BFD_MACH_O_N_EXT))) | |
92bc0e80 | 1858 | s->symbol.flags |= BSF_LOCAL; |
3af9a47b NC |
1859 | |
1860 | switch (symtype) | |
1861 | { | |
1862 | case BFD_MACH_O_N_UNDF: | |
c2f09c75 | 1863 | if (type == (BFD_MACH_O_N_UNDF | BFD_MACH_O_N_EXT) |
92bc0e80 | 1864 | && s->symbol.value != 0) |
c2f09c75 TG |
1865 | { |
1866 | /* A common symbol. */ | |
92bc0e80 TG |
1867 | s->symbol.section = bfd_com_section_ptr; |
1868 | s->symbol.flags = BSF_NO_FLAGS; | |
c2f09c75 TG |
1869 | } |
1870 | else | |
92bc0e80 TG |
1871 | { |
1872 | s->symbol.section = bfd_und_section_ptr; | |
1873 | if (s->n_desc & BFD_MACH_O_N_WEAK_REF) | |
1874 | s->symbol.flags |= BSF_WEAK; | |
1875 | } | |
3af9a47b NC |
1876 | break; |
1877 | case BFD_MACH_O_N_PBUD: | |
92bc0e80 | 1878 | s->symbol.section = bfd_und_section_ptr; |
3af9a47b NC |
1879 | break; |
1880 | case BFD_MACH_O_N_ABS: | |
92bc0e80 | 1881 | s->symbol.section = bfd_abs_section_ptr; |
3af9a47b NC |
1882 | break; |
1883 | case BFD_MACH_O_N_SECT: | |
1884 | if ((section > 0) && (section <= mdata->nsects)) | |
1885 | { | |
92bc0e80 TG |
1886 | s->symbol.section = mdata->sections[section - 1]->bfdsection; |
1887 | s->symbol.value = | |
1888 | s->symbol.value - mdata->sections[section - 1]->addr; | |
3af9a47b NC |
1889 | } |
1890 | else | |
1891 | { | |
1892 | /* Mach-O uses 0 to mean "no section"; not an error. */ | |
1893 | if (section != 0) | |
1894 | { | |
4a97a0e5 AM |
1895 | (*_bfd_error_handler) (_("bfd_mach_o_read_symtab_symbol: " |
1896 | "symbol \"%s\" specified invalid section %d (max %lu): setting to undefined"), | |
1897 | s->symbol.name, section, mdata->nsects); | |
3af9a47b | 1898 | } |
92bc0e80 | 1899 | s->symbol.section = bfd_und_section_ptr; |
3af9a47b NC |
1900 | } |
1901 | break; | |
1902 | case BFD_MACH_O_N_INDR: | |
4a97a0e5 AM |
1903 | (*_bfd_error_handler) (_("bfd_mach_o_read_symtab_symbol: " |
1904 | "symbol \"%s\" is unsupported 'indirect' reference: setting to undefined"), | |
1905 | s->symbol.name); | |
92bc0e80 | 1906 | s->symbol.section = bfd_und_section_ptr; |
3af9a47b NC |
1907 | break; |
1908 | default: | |
4a97a0e5 AM |
1909 | (*_bfd_error_handler) (_("bfd_mach_o_read_symtab_symbol: " |
1910 | "symbol \"%s\" specified invalid type field 0x%x: setting to undefined"), | |
1911 | s->symbol.name, symtype); | |
92bc0e80 | 1912 | s->symbol.section = bfd_und_section_ptr; |
3af9a47b NC |
1913 | break; |
1914 | } | |
1915 | } | |
1916 | ||
1917 | return 0; | |
1918 | } | |
1919 | ||
046b007d | 1920 | static int |
ab273af8 | 1921 | bfd_mach_o_read_symtab_strtab (bfd *abfd) |
3af9a47b | 1922 | { |
046b007d TG |
1923 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
1924 | bfd_mach_o_symtab_command *sym = mdata->symtab; | |
1925 | ||
1926 | /* Fail if there is no symtab. */ | |
1927 | if (sym == NULL) | |
1928 | return -1; | |
1929 | ||
1930 | /* Success if already loaded. */ | |
1931 | if (sym->strtab) | |
1932 | return 0; | |
3af9a47b NC |
1933 | |
1934 | if (abfd->flags & BFD_IN_MEMORY) | |
1935 | { | |
1936 | struct bfd_in_memory *b; | |
1937 | ||
1938 | b = (struct bfd_in_memory *) abfd->iostream; | |
1939 | ||
1940 | if ((sym->stroff + sym->strsize) > b->size) | |
1941 | { | |
1942 | bfd_set_error (bfd_error_file_truncated); | |
1943 | return -1; | |
1944 | } | |
f075ee0c | 1945 | sym->strtab = (char *) b->buffer + sym->stroff; |
3af9a47b | 1946 | } |
046b007d | 1947 | else |
3af9a47b | 1948 | { |
046b007d TG |
1949 | sym->strtab = bfd_alloc (abfd, sym->strsize); |
1950 | if (sym->strtab == NULL) | |
1951 | return -1; | |
1952 | ||
1953 | if (bfd_seek (abfd, sym->stroff, SEEK_SET) != 0 | |
91d6fa6a | 1954 | || bfd_bread ((void *) sym->strtab, sym->strsize, abfd) != sym->strsize) |
046b007d TG |
1955 | { |
1956 | bfd_set_error (bfd_error_file_truncated); | |
1957 | return -1; | |
1958 | } | |
3af9a47b NC |
1959 | } |
1960 | ||
1961 | return 0; | |
1962 | } | |
1963 | ||
046b007d | 1964 | static int |
ab273af8 | 1965 | bfd_mach_o_read_symtab_symbols (bfd *abfd) |
3af9a47b | 1966 | { |
046b007d TG |
1967 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
1968 | bfd_mach_o_symtab_command *sym = mdata->symtab; | |
3af9a47b NC |
1969 | unsigned long i; |
1970 | int ret; | |
1971 | ||
092d27ff TG |
1972 | if (sym == NULL || sym->symbols) |
1973 | { | |
1974 | /* Return now if there are no symbols or if already loaded. */ | |
1975 | return 0; | |
1976 | } | |
046b007d | 1977 | |
92bc0e80 | 1978 | sym->symbols = bfd_alloc (abfd, sym->nsyms * sizeof (bfd_mach_o_asymbol)); |
3af9a47b NC |
1979 | |
1980 | if (sym->symbols == NULL) | |
1981 | { | |
4a97a0e5 | 1982 | (*_bfd_error_handler) (_("bfd_mach_o_read_symtab_symbols: unable to allocate memory for symbols")); |
a95a4550 | 1983 | return -1; |
3af9a47b | 1984 | } |
a95a4550 | 1985 | |
ab273af8 | 1986 | ret = bfd_mach_o_read_symtab_strtab (abfd); |
3af9a47b NC |
1987 | if (ret != 0) |
1988 | return ret; | |
1989 | ||
1990 | for (i = 0; i < sym->nsyms; i++) | |
1991 | { | |
ab273af8 | 1992 | ret = bfd_mach_o_read_symtab_symbol (abfd, sym, &sym->symbols[i], i); |
3af9a47b NC |
1993 | if (ret != 0) |
1994 | return ret; | |
1995 | } | |
a95a4550 | 1996 | |
3af9a47b NC |
1997 | return 0; |
1998 | } | |
1999 | ||
2000 | int | |
ab273af8 TG |
2001 | bfd_mach_o_read_dysymtab_symbol (bfd *abfd, |
2002 | bfd_mach_o_dysymtab_command *dysym, | |
2003 | bfd_mach_o_symtab_command *sym, | |
2004 | bfd_mach_o_asymbol *s, | |
2005 | unsigned long i) | |
3af9a47b NC |
2006 | { |
2007 | unsigned long isymoff = dysym->indirectsymoff + (i * 4); | |
91d6fa6a | 2008 | unsigned long sym_index; |
46d1c23b | 2009 | unsigned char raw[4]; |
3af9a47b NC |
2010 | |
2011 | BFD_ASSERT (i < dysym->nindirectsyms); | |
a95a4550 | 2012 | |
c2f09c75 | 2013 | if (bfd_seek (abfd, isymoff, SEEK_SET) != 0 |
46d1c23b | 2014 | || bfd_bread (raw, sizeof (raw), abfd) != sizeof (raw)) |
3af9a47b | 2015 | { |
46d1c23b TG |
2016 | (*_bfd_error_handler) |
2017 | (_("bfd_mach_o_read_dysymtab_symbol: unable to read %lu bytes at %lu"), | |
2018 | (unsigned long) sizeof (raw), isymoff); | |
3af9a47b NC |
2019 | return -1; |
2020 | } | |
46d1c23b | 2021 | sym_index = bfd_h_get_32 (abfd, raw); |
a95a4550 | 2022 | |
91d6fa6a | 2023 | return bfd_mach_o_read_symtab_symbol (abfd, sym, s, sym_index); |
3af9a47b NC |
2024 | } |
2025 | ||
2026 | static const char * | |
116c20d2 | 2027 | bfd_mach_o_i386_flavour_string (unsigned int flavour) |
3af9a47b NC |
2028 | { |
2029 | switch ((int) flavour) | |
2030 | { | |
15e1c58a TG |
2031 | case BFD_MACH_O_x86_THREAD_STATE32: return "x86_THREAD_STATE32"; |
2032 | case BFD_MACH_O_x86_FLOAT_STATE32: return "x86_FLOAT_STATE32"; | |
2033 | case BFD_MACH_O_x86_EXCEPTION_STATE32: return "x86_EXCEPTION_STATE32"; | |
2034 | case BFD_MACH_O_x86_THREAD_STATE64: return "x86_THREAD_STATE64"; | |
2035 | case BFD_MACH_O_x86_FLOAT_STATE64: return "x86_FLOAT_STATE64"; | |
2036 | case BFD_MACH_O_x86_EXCEPTION_STATE64: return "x86_EXCEPTION_STATE64"; | |
2037 | case BFD_MACH_O_x86_THREAD_STATE: return "x86_THREAD_STATE"; | |
2038 | case BFD_MACH_O_x86_FLOAT_STATE: return "x86_FLOAT_STATE"; | |
2039 | case BFD_MACH_O_x86_EXCEPTION_STATE: return "x86_EXCEPTION_STATE"; | |
2040 | case BFD_MACH_O_x86_DEBUG_STATE32: return "x86_DEBUG_STATE32"; | |
2041 | case BFD_MACH_O_x86_DEBUG_STATE64: return "x86_DEBUG_STATE64"; | |
2042 | case BFD_MACH_O_x86_DEBUG_STATE: return "x86_DEBUG_STATE"; | |
b32e07d7 | 2043 | case BFD_MACH_O_x86_THREAD_STATE_NONE: return "x86_THREAD_STATE_NONE"; |
3af9a47b NC |
2044 | default: return "UNKNOWN"; |
2045 | } | |
2046 | } | |
2047 | ||
2048 | static const char * | |
116c20d2 | 2049 | bfd_mach_o_ppc_flavour_string (unsigned int flavour) |
3af9a47b NC |
2050 | { |
2051 | switch ((int) flavour) | |
2052 | { | |
b32e07d7 TG |
2053 | case BFD_MACH_O_PPC_THREAD_STATE: return "PPC_THREAD_STATE"; |
2054 | case BFD_MACH_O_PPC_FLOAT_STATE: return "PPC_FLOAT_STATE"; | |
2055 | case BFD_MACH_O_PPC_EXCEPTION_STATE: return "PPC_EXCEPTION_STATE"; | |
2056 | case BFD_MACH_O_PPC_VECTOR_STATE: return "PPC_VECTOR_STATE"; | |
2057 | case BFD_MACH_O_PPC_THREAD_STATE64: return "PPC_THREAD_STATE64"; | |
2058 | case BFD_MACH_O_PPC_EXCEPTION_STATE64: return "PPC_EXCEPTION_STATE64"; | |
3af9a47b NC |
2059 | default: return "UNKNOWN"; |
2060 | } | |
2061 | } | |
2062 | ||
2063 | static int | |
ab273af8 | 2064 | bfd_mach_o_read_dylinker (bfd *abfd, bfd_mach_o_load_command *command) |
3af9a47b NC |
2065 | { |
2066 | bfd_mach_o_dylinker_command *cmd = &command->command.dylinker; | |
46d1c23b | 2067 | struct mach_o_str_command_external raw; |
3af9a47b | 2068 | unsigned int nameoff; |
3af9a47b NC |
2069 | |
2070 | BFD_ASSERT ((command->type == BFD_MACH_O_LC_ID_DYLINKER) | |
2071 | || (command->type == BFD_MACH_O_LC_LOAD_DYLINKER)); | |
2072 | ||
46d1c23b TG |
2073 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 |
2074 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
3af9a47b NC |
2075 | return -1; |
2076 | ||
46d1c23b | 2077 | nameoff = bfd_h_get_32 (abfd, raw.str); |
3af9a47b NC |
2078 | |
2079 | cmd->name_offset = command->offset + nameoff; | |
2080 | cmd->name_len = command->len - nameoff; | |
b32e07d7 TG |
2081 | cmd->name_str = bfd_alloc (abfd, cmd->name_len); |
2082 | if (cmd->name_str == NULL) | |
3af9a47b | 2083 | return -1; |
b32e07d7 TG |
2084 | if (bfd_seek (abfd, cmd->name_offset, SEEK_SET) != 0 |
2085 | || bfd_bread (cmd->name_str, cmd->name_len, abfd) != cmd->name_len) | |
3af9a47b | 2086 | return -1; |
3af9a47b NC |
2087 | return 0; |
2088 | } | |
2089 | ||
2090 | static int | |
ab273af8 | 2091 | bfd_mach_o_read_dylib (bfd *abfd, bfd_mach_o_load_command *command) |
3af9a47b NC |
2092 | { |
2093 | bfd_mach_o_dylib_command *cmd = &command->command.dylib; | |
46d1c23b | 2094 | struct mach_o_dylib_command_external raw; |
3af9a47b | 2095 | unsigned int nameoff; |
3af9a47b | 2096 | |
046b007d TG |
2097 | switch (command->type) |
2098 | { | |
2099 | case BFD_MACH_O_LC_LOAD_DYLIB: | |
046b007d | 2100 | case BFD_MACH_O_LC_LOAD_WEAK_DYLIB: |
046b007d | 2101 | case BFD_MACH_O_LC_ID_DYLIB: |
046b007d | 2102 | case BFD_MACH_O_LC_REEXPORT_DYLIB: |
046b007d TG |
2103 | break; |
2104 | default: | |
b32e07d7 TG |
2105 | BFD_FAIL (); |
2106 | return -1; | |
046b007d | 2107 | } |
3af9a47b | 2108 | |
46d1c23b TG |
2109 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 |
2110 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
3af9a47b NC |
2111 | return -1; |
2112 | ||
46d1c23b TG |
2113 | nameoff = bfd_h_get_32 (abfd, raw.name); |
2114 | cmd->timestamp = bfd_h_get_32 (abfd, raw.timestamp); | |
2115 | cmd->current_version = bfd_h_get_32 (abfd, raw.current_version); | |
2116 | cmd->compatibility_version = bfd_h_get_32 (abfd, raw.compatibility_version); | |
3af9a47b NC |
2117 | |
2118 | cmd->name_offset = command->offset + nameoff; | |
2119 | cmd->name_len = command->len - nameoff; | |
b32e07d7 TG |
2120 | cmd->name_str = bfd_alloc (abfd, cmd->name_len); |
2121 | if (cmd->name_str == NULL) | |
3af9a47b | 2122 | return -1; |
b32e07d7 TG |
2123 | if (bfd_seek (abfd, cmd->name_offset, SEEK_SET) != 0 |
2124 | || bfd_bread (cmd->name_str, cmd->name_len, abfd) != cmd->name_len) | |
3af9a47b | 2125 | return -1; |
3af9a47b NC |
2126 | return 0; |
2127 | } | |
2128 | ||
2129 | static int | |
ab273af8 TG |
2130 | bfd_mach_o_read_prebound_dylib (bfd *abfd ATTRIBUTE_UNUSED, |
2131 | bfd_mach_o_load_command *command ATTRIBUTE_UNUSED) | |
3af9a47b NC |
2132 | { |
2133 | /* bfd_mach_o_prebound_dylib_command *cmd = &command->command.prebound_dylib; */ | |
2134 | ||
2135 | BFD_ASSERT (command->type == BFD_MACH_O_LC_PREBOUND_DYLIB); | |
2136 | return 0; | |
2137 | } | |
2138 | ||
2139 | static int | |
ab273af8 | 2140 | bfd_mach_o_read_thread (bfd *abfd, bfd_mach_o_load_command *command) |
3af9a47b | 2141 | { |
b32e07d7 | 2142 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
3af9a47b | 2143 | bfd_mach_o_thread_command *cmd = &command->command.thread; |
92bc0e80 | 2144 | unsigned int offset; |
3af9a47b NC |
2145 | unsigned int nflavours; |
2146 | unsigned int i; | |
2147 | ||
2148 | BFD_ASSERT ((command->type == BFD_MACH_O_LC_THREAD) | |
2149 | || (command->type == BFD_MACH_O_LC_UNIXTHREAD)); | |
2150 | ||
b32e07d7 | 2151 | /* Count the number of threads. */ |
3af9a47b NC |
2152 | offset = 8; |
2153 | nflavours = 0; | |
2154 | while (offset != command->len) | |
2155 | { | |
46d1c23b TG |
2156 | struct mach_o_thread_command_external raw; |
2157 | ||
3af9a47b NC |
2158 | if (offset >= command->len) |
2159 | return -1; | |
2160 | ||
c2f09c75 | 2161 | if (bfd_seek (abfd, command->offset + offset, SEEK_SET) != 0 |
46d1c23b | 2162 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) |
3af9a47b NC |
2163 | return -1; |
2164 | ||
46d1c23b | 2165 | offset += sizeof (raw) + bfd_h_get_32 (abfd, raw.count) * 4; |
3af9a47b NC |
2166 | nflavours++; |
2167 | } | |
2168 | ||
b32e07d7 TG |
2169 | /* Allocate threads. */ |
2170 | cmd->flavours = bfd_alloc | |
2171 | (abfd, nflavours * sizeof (bfd_mach_o_thread_flavour)); | |
3af9a47b NC |
2172 | if (cmd->flavours == NULL) |
2173 | return -1; | |
2174 | cmd->nflavours = nflavours; | |
2175 | ||
2176 | offset = 8; | |
2177 | nflavours = 0; | |
2178 | while (offset != command->len) | |
2179 | { | |
46d1c23b TG |
2180 | struct mach_o_thread_command_external raw; |
2181 | ||
3af9a47b NC |
2182 | if (offset >= command->len) |
2183 | return -1; | |
2184 | ||
2185 | if (nflavours >= cmd->nflavours) | |
2186 | return -1; | |
2187 | ||
c2f09c75 | 2188 | if (bfd_seek (abfd, command->offset + offset, SEEK_SET) != 0 |
46d1c23b | 2189 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) |
3af9a47b NC |
2190 | return -1; |
2191 | ||
46d1c23b TG |
2192 | cmd->flavours[nflavours].flavour = bfd_h_get_32 (abfd, raw.flavour); |
2193 | cmd->flavours[nflavours].offset = command->offset + offset + sizeof (raw); | |
2194 | cmd->flavours[nflavours].size = bfd_h_get_32 (abfd, raw.count) * 4; | |
2195 | offset += cmd->flavours[nflavours].size + sizeof (raw); | |
3af9a47b NC |
2196 | nflavours++; |
2197 | } | |
2198 | ||
2199 | for (i = 0; i < nflavours; i++) | |
2200 | { | |
2201 | asection *bfdsec; | |
2202 | unsigned int snamelen; | |
2203 | char *sname; | |
2204 | const char *flavourstr; | |
2205 | const char *prefix = "LC_THREAD"; | |
a95a4550 AM |
2206 | unsigned int j = 0; |
2207 | ||
3af9a47b NC |
2208 | switch (mdata->header.cputype) |
2209 | { | |
2210 | case BFD_MACH_O_CPU_TYPE_POWERPC: | |
1e8a024a | 2211 | case BFD_MACH_O_CPU_TYPE_POWERPC_64: |
3af9a47b NC |
2212 | flavourstr = bfd_mach_o_ppc_flavour_string (cmd->flavours[i].flavour); |
2213 | break; | |
2214 | case BFD_MACH_O_CPU_TYPE_I386: | |
1e8a024a | 2215 | case BFD_MACH_O_CPU_TYPE_X86_64: |
3af9a47b NC |
2216 | flavourstr = bfd_mach_o_i386_flavour_string (cmd->flavours[i].flavour); |
2217 | break; | |
2218 | default: | |
2219 | flavourstr = "UNKNOWN_ARCHITECTURE"; | |
2220 | break; | |
2221 | } | |
a95a4550 | 2222 | |
3af9a47b | 2223 | snamelen = strlen (prefix) + 1 + 20 + 1 + strlen (flavourstr) + 1; |
116c20d2 | 2224 | sname = bfd_alloc (abfd, snamelen); |
3af9a47b NC |
2225 | if (sname == NULL) |
2226 | return -1; | |
2227 | ||
2228 | for (;;) | |
2229 | { | |
a95a4550 AM |
2230 | sprintf (sname, "%s.%s.%u", prefix, flavourstr, j); |
2231 | if (bfd_get_section_by_name (abfd, sname) == NULL) | |
3af9a47b | 2232 | break; |
a95a4550 | 2233 | j++; |
3af9a47b NC |
2234 | } |
2235 | ||
117ed4f8 | 2236 | bfdsec = bfd_make_section_with_flags (abfd, sname, SEC_HAS_CONTENTS); |
a95a4550 | 2237 | |
3af9a47b NC |
2238 | bfdsec->vma = 0; |
2239 | bfdsec->lma = 0; | |
eea6121a | 2240 | bfdsec->size = cmd->flavours[i].size; |
3af9a47b NC |
2241 | bfdsec->filepos = cmd->flavours[i].offset; |
2242 | bfdsec->alignment_power = 0x0; | |
3af9a47b NC |
2243 | |
2244 | cmd->section = bfdsec; | |
2245 | } | |
2246 | ||
2247 | return 0; | |
2248 | } | |
2249 | ||
a95a4550 | 2250 | static int |
ab273af8 | 2251 | bfd_mach_o_read_dysymtab (bfd *abfd, bfd_mach_o_load_command *command) |
3af9a47b | 2252 | { |
046b007d | 2253 | bfd_mach_o_dysymtab_command *cmd = &command->command.dysymtab; |
b32e07d7 | 2254 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
3af9a47b NC |
2255 | |
2256 | BFD_ASSERT (command->type == BFD_MACH_O_LC_DYSYMTAB); | |
2257 | ||
46d1c23b TG |
2258 | { |
2259 | struct mach_o_dysymtab_command_external raw; | |
2260 | ||
2261 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 | |
2262 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
2263 | return -1; | |
3af9a47b | 2264 | |
46d1c23b TG |
2265 | cmd->ilocalsym = bfd_h_get_32 (abfd, raw.ilocalsym); |
2266 | cmd->nlocalsym = bfd_h_get_32 (abfd, raw.nlocalsym); | |
2267 | cmd->iextdefsym = bfd_h_get_32 (abfd, raw.iextdefsym); | |
2268 | cmd->nextdefsym = bfd_h_get_32 (abfd, raw.nextdefsym); | |
2269 | cmd->iundefsym = bfd_h_get_32 (abfd, raw.iundefsym); | |
2270 | cmd->nundefsym = bfd_h_get_32 (abfd, raw.nundefsym); | |
2271 | cmd->tocoff = bfd_h_get_32 (abfd, raw.tocoff); | |
2272 | cmd->ntoc = bfd_h_get_32 (abfd, raw.ntoc); | |
2273 | cmd->modtaboff = bfd_h_get_32 (abfd, raw.modtaboff); | |
2274 | cmd->nmodtab = bfd_h_get_32 (abfd, raw.nmodtab); | |
2275 | cmd->extrefsymoff = bfd_h_get_32 (abfd, raw.extrefsymoff); | |
2276 | cmd->nextrefsyms = bfd_h_get_32 (abfd, raw.nextrefsyms); | |
2277 | cmd->indirectsymoff = bfd_h_get_32 (abfd, raw.indirectsymoff); | |
2278 | cmd->nindirectsyms = bfd_h_get_32 (abfd, raw.nindirectsyms); | |
2279 | cmd->extreloff = bfd_h_get_32 (abfd, raw.extreloff); | |
2280 | cmd->nextrel = bfd_h_get_32 (abfd, raw.nextrel); | |
2281 | cmd->locreloff = bfd_h_get_32 (abfd, raw.locreloff); | |
2282 | cmd->nlocrel = bfd_h_get_32 (abfd, raw.nlocrel); | |
2283 | } | |
046b007d TG |
2284 | |
2285 | if (cmd->nmodtab != 0) | |
2286 | { | |
046b007d TG |
2287 | unsigned int i; |
2288 | int wide = bfd_mach_o_wide_p (abfd); | |
2289 | unsigned int module_len = wide ? 56 : 52; | |
2290 | ||
2291 | cmd->dylib_module = | |
2292 | bfd_alloc (abfd, cmd->nmodtab * sizeof (bfd_mach_o_dylib_module)); | |
2293 | if (cmd->dylib_module == NULL) | |
2294 | return -1; | |
2295 | ||
2296 | if (bfd_seek (abfd, cmd->modtaboff, SEEK_SET) != 0) | |
2297 | return -1; | |
2298 | ||
2299 | for (i = 0; i < cmd->nmodtab; i++) | |
2300 | { | |
2301 | bfd_mach_o_dylib_module *module = &cmd->dylib_module[i]; | |
2302 | unsigned long v; | |
46d1c23b | 2303 | unsigned char buf[56]; |
046b007d | 2304 | |
91d6fa6a | 2305 | if (bfd_bread ((void *) buf, module_len, abfd) != module_len) |
046b007d TG |
2306 | return -1; |
2307 | ||
2308 | module->module_name_idx = bfd_h_get_32 (abfd, buf + 0); | |
2309 | module->iextdefsym = bfd_h_get_32 (abfd, buf + 4); | |
2310 | module->nextdefsym = bfd_h_get_32 (abfd, buf + 8); | |
2311 | module->irefsym = bfd_h_get_32 (abfd, buf + 12); | |
2312 | module->nrefsym = bfd_h_get_32 (abfd, buf + 16); | |
2313 | module->ilocalsym = bfd_h_get_32 (abfd, buf + 20); | |
2314 | module->nlocalsym = bfd_h_get_32 (abfd, buf + 24); | |
2315 | module->iextrel = bfd_h_get_32 (abfd, buf + 28); | |
2316 | module->nextrel = bfd_h_get_32 (abfd, buf + 32); | |
2317 | v = bfd_h_get_32 (abfd, buf +36); | |
2318 | module->iinit = v & 0xffff; | |
2319 | module->iterm = (v >> 16) & 0xffff; | |
2320 | v = bfd_h_get_32 (abfd, buf + 40); | |
2321 | module->ninit = v & 0xffff; | |
2322 | module->nterm = (v >> 16) & 0xffff; | |
2323 | if (wide) | |
2324 | { | |
2325 | module->objc_module_info_size = bfd_h_get_32 (abfd, buf + 44); | |
2326 | module->objc_module_info_addr = bfd_h_get_64 (abfd, buf + 48); | |
2327 | } | |
2328 | else | |
2329 | { | |
2330 | module->objc_module_info_addr = bfd_h_get_32 (abfd, buf + 44); | |
2331 | module->objc_module_info_size = bfd_h_get_32 (abfd, buf + 48); | |
2332 | } | |
2333 | } | |
2334 | } | |
2335 | ||
2336 | if (cmd->ntoc != 0) | |
2337 | { | |
046b007d TG |
2338 | unsigned int i; |
2339 | ||
2340 | cmd->dylib_toc = bfd_alloc | |
2341 | (abfd, cmd->ntoc * sizeof (bfd_mach_o_dylib_table_of_content)); | |
2342 | if (cmd->dylib_toc == NULL) | |
2343 | return -1; | |
2344 | ||
2345 | if (bfd_seek (abfd, cmd->tocoff, SEEK_SET) != 0) | |
2346 | return -1; | |
2347 | ||
2348 | for (i = 0; i < cmd->ntoc; i++) | |
2349 | { | |
46d1c23b | 2350 | struct mach_o_dylib_table_of_contents_external raw; |
046b007d TG |
2351 | bfd_mach_o_dylib_table_of_content *toc = &cmd->dylib_toc[i]; |
2352 | ||
46d1c23b | 2353 | if (bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) |
046b007d TG |
2354 | return -1; |
2355 | ||
46d1c23b TG |
2356 | toc->symbol_index = bfd_h_get_32 (abfd, raw.symbol_index); |
2357 | toc->module_index = bfd_h_get_32 (abfd, raw.module_index); | |
046b007d TG |
2358 | } |
2359 | } | |
2360 | ||
2361 | if (cmd->nindirectsyms != 0) | |
2362 | { | |
046b007d TG |
2363 | unsigned int i; |
2364 | ||
2365 | cmd->indirect_syms = bfd_alloc | |
2366 | (abfd, cmd->nindirectsyms * sizeof (unsigned int)); | |
2367 | if (cmd->indirect_syms == NULL) | |
2368 | return -1; | |
2369 | ||
2370 | if (bfd_seek (abfd, cmd->indirectsymoff, SEEK_SET) != 0) | |
2371 | return -1; | |
2372 | ||
2373 | for (i = 0; i < cmd->nindirectsyms; i++) | |
2374 | { | |
46d1c23b | 2375 | unsigned char raw[4]; |
046b007d TG |
2376 | unsigned int *is = &cmd->indirect_syms[i]; |
2377 | ||
46d1c23b | 2378 | if (bfd_bread (raw, sizeof (raw), abfd) != sizeof (raw)) |
046b007d TG |
2379 | return -1; |
2380 | ||
46d1c23b | 2381 | *is = bfd_h_get_32 (abfd, raw); |
046b007d TG |
2382 | } |
2383 | } | |
2384 | ||
2385 | if (cmd->nextrefsyms != 0) | |
2386 | { | |
046b007d TG |
2387 | unsigned long v; |
2388 | unsigned int i; | |
2389 | ||
2390 | cmd->ext_refs = bfd_alloc | |
2391 | (abfd, cmd->nextrefsyms * sizeof (bfd_mach_o_dylib_reference)); | |
2392 | if (cmd->ext_refs == NULL) | |
2393 | return -1; | |
2394 | ||
2395 | if (bfd_seek (abfd, cmd->extrefsymoff, SEEK_SET) != 0) | |
2396 | return -1; | |
2397 | ||
2398 | for (i = 0; i < cmd->nextrefsyms; i++) | |
2399 | { | |
46d1c23b | 2400 | unsigned char raw[4]; |
046b007d TG |
2401 | bfd_mach_o_dylib_reference *ref = &cmd->ext_refs[i]; |
2402 | ||
46d1c23b | 2403 | if (bfd_bread (raw, sizeof (raw), abfd) != sizeof (raw)) |
046b007d TG |
2404 | return -1; |
2405 | ||
b32e07d7 TG |
2406 | /* Fields isym and flags are written as bit-fields, thus we need |
2407 | a specific processing for endianness. */ | |
46d1c23b | 2408 | v = bfd_h_get_32 (abfd, raw); |
b32e07d7 TG |
2409 | if (bfd_big_endian (abfd)) |
2410 | { | |
2411 | ref->isym = (v >> 8) & 0xffffff; | |
2412 | ref->flags = v & 0xff; | |
2413 | } | |
2414 | else | |
2415 | { | |
2416 | ref->isym = v & 0xffffff; | |
2417 | ref->flags = (v >> 24) & 0xff; | |
2418 | } | |
046b007d TG |
2419 | } |
2420 | } | |
3af9a47b | 2421 | |
b32e07d7 TG |
2422 | if (mdata->dysymtab) |
2423 | return -1; | |
2424 | mdata->dysymtab = cmd; | |
2425 | ||
3af9a47b NC |
2426 | return 0; |
2427 | } | |
2428 | ||
a95a4550 | 2429 | static int |
ab273af8 | 2430 | bfd_mach_o_read_symtab (bfd *abfd, bfd_mach_o_load_command *command) |
3af9a47b | 2431 | { |
046b007d TG |
2432 | bfd_mach_o_symtab_command *symtab = &command->command.symtab; |
2433 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
46d1c23b | 2434 | struct mach_o_symtab_command_external raw; |
3af9a47b NC |
2435 | |
2436 | BFD_ASSERT (command->type == BFD_MACH_O_LC_SYMTAB); | |
2437 | ||
46d1c23b TG |
2438 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 |
2439 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
3af9a47b | 2440 | return -1; |
a95a4550 | 2441 | |
46d1c23b TG |
2442 | symtab->symoff = bfd_h_get_32 (abfd, raw.symoff); |
2443 | symtab->nsyms = bfd_h_get_32 (abfd, raw.nsyms); | |
2444 | symtab->stroff = bfd_h_get_32 (abfd, raw.stroff); | |
2445 | symtab->strsize = bfd_h_get_32 (abfd, raw.strsize); | |
046b007d TG |
2446 | symtab->symbols = NULL; |
2447 | symtab->strtab = NULL; | |
3af9a47b | 2448 | |
046b007d | 2449 | if (symtab->nsyms != 0) |
15e1c58a TG |
2450 | abfd->flags |= HAS_SYMS; |
2451 | ||
046b007d TG |
2452 | if (mdata->symtab) |
2453 | return -1; | |
2454 | mdata->symtab = symtab; | |
3af9a47b NC |
2455 | return 0; |
2456 | } | |
2457 | ||
15e1c58a | 2458 | static int |
ab273af8 | 2459 | bfd_mach_o_read_uuid (bfd *abfd, bfd_mach_o_load_command *command) |
15e1c58a TG |
2460 | { |
2461 | bfd_mach_o_uuid_command *cmd = &command->command.uuid; | |
15e1c58a TG |
2462 | |
2463 | BFD_ASSERT (command->type == BFD_MACH_O_LC_UUID); | |
2464 | ||
46d1c23b TG |
2465 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 |
2466 | || bfd_bread (cmd->uuid, 16, abfd) != 16) | |
15e1c58a TG |
2467 | return -1; |
2468 | ||
15e1c58a TG |
2469 | return 0; |
2470 | } | |
2471 | ||
046b007d | 2472 | static int |
ab273af8 | 2473 | bfd_mach_o_read_linkedit (bfd *abfd, bfd_mach_o_load_command *command) |
046b007d TG |
2474 | { |
2475 | bfd_mach_o_linkedit_command *cmd = &command->command.linkedit; | |
46d1c23b | 2476 | struct mach_o_linkedit_data_command_external raw; |
046b007d | 2477 | |
46d1c23b TG |
2478 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 |
2479 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
046b007d TG |
2480 | return -1; |
2481 | ||
46d1c23b TG |
2482 | cmd->dataoff = bfd_get_32 (abfd, raw.dataoff); |
2483 | cmd->datasize = bfd_get_32 (abfd, raw.datasize); | |
046b007d TG |
2484 | return 0; |
2485 | } | |
2486 | ||
2487 | static int | |
ab273af8 | 2488 | bfd_mach_o_read_str (bfd *abfd, bfd_mach_o_load_command *command) |
046b007d TG |
2489 | { |
2490 | bfd_mach_o_str_command *cmd = &command->command.str; | |
46d1c23b | 2491 | struct mach_o_str_command_external raw; |
046b007d TG |
2492 | unsigned long off; |
2493 | ||
46d1c23b TG |
2494 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 |
2495 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
046b007d TG |
2496 | return -1; |
2497 | ||
46d1c23b | 2498 | off = bfd_get_32 (abfd, raw.str); |
046b007d TG |
2499 | cmd->stroff = command->offset + off; |
2500 | cmd->str_len = command->len - off; | |
2501 | cmd->str = bfd_alloc (abfd, cmd->str_len); | |
2502 | if (cmd->str == NULL) | |
2503 | return -1; | |
2504 | if (bfd_seek (abfd, cmd->stroff, SEEK_SET) != 0 | |
91d6fa6a | 2505 | || bfd_bread ((void *) cmd->str, cmd->str_len, abfd) != cmd->str_len) |
046b007d TG |
2506 | return -1; |
2507 | return 0; | |
2508 | } | |
2509 | ||
ad86f1fb | 2510 | static int |
ab273af8 | 2511 | bfd_mach_o_read_dyld_info (bfd *abfd, bfd_mach_o_load_command *command) |
ad86f1fb TG |
2512 | { |
2513 | bfd_mach_o_dyld_info_command *cmd = &command->command.dyld_info; | |
46d1c23b | 2514 | struct mach_o_dyld_info_command_external raw; |
ad86f1fb | 2515 | |
46d1c23b TG |
2516 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 |
2517 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
ad86f1fb TG |
2518 | return -1; |
2519 | ||
46d1c23b TG |
2520 | cmd->rebase_off = bfd_get_32 (abfd, raw.rebase_off); |
2521 | cmd->rebase_size = bfd_get_32 (abfd, raw.rebase_size); | |
2522 | cmd->bind_off = bfd_get_32 (abfd, raw.bind_off); | |
2523 | cmd->bind_size = bfd_get_32 (abfd, raw.bind_size); | |
2524 | cmd->weak_bind_off = bfd_get_32 (abfd, raw.weak_bind_off); | |
2525 | cmd->weak_bind_size = bfd_get_32 (abfd, raw.weak_bind_size); | |
2526 | cmd->lazy_bind_off = bfd_get_32 (abfd, raw.lazy_bind_off); | |
2527 | cmd->lazy_bind_size = bfd_get_32 (abfd, raw.lazy_bind_size); | |
2528 | cmd->export_off = bfd_get_32 (abfd, raw.export_off); | |
2529 | cmd->export_size = bfd_get_32 (abfd, raw.export_size); | |
ad86f1fb TG |
2530 | return 0; |
2531 | } | |
2532 | ||
edbdea0e TG |
2533 | static bfd_boolean |
2534 | bfd_mach_o_read_version_min (bfd *abfd, bfd_mach_o_load_command *command) | |
2535 | { | |
2536 | bfd_mach_o_version_min_command *cmd = &command->command.version_min; | |
2537 | struct mach_o_version_min_command_external raw; | |
2538 | unsigned int ver; | |
2539 | ||
2540 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 | |
2541 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
2542 | return FALSE; | |
2543 | ||
2544 | ver = bfd_get_32 (abfd, raw.version); | |
2545 | cmd->rel = ver >> 16; | |
2546 | cmd->maj = ver >> 8; | |
2547 | cmd->min = ver; | |
2548 | cmd->reserved = bfd_get_32 (abfd, raw.reserved); | |
2549 | return TRUE; | |
2550 | } | |
2551 | ||
3af9a47b | 2552 | static int |
ab273af8 TG |
2553 | bfd_mach_o_read_segment (bfd *abfd, |
2554 | bfd_mach_o_load_command *command, | |
2555 | unsigned int wide) | |
3af9a47b | 2556 | { |
3af9a47b NC |
2557 | bfd_mach_o_segment_command *seg = &command->command.segment; |
2558 | unsigned long i; | |
a95a4550 | 2559 | |
1e8a024a TG |
2560 | if (wide) |
2561 | { | |
46d1c23b TG |
2562 | struct mach_o_segment_command_64_external raw; |
2563 | ||
1e8a024a | 2564 | BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT_64); |
3af9a47b | 2565 | |
46d1c23b TG |
2566 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 |
2567 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
2568 | return -1; | |
3af9a47b | 2569 | |
46d1c23b | 2570 | memcpy (seg->segname, raw.segname, 16); |
15e1c58a | 2571 | seg->segname[16] = '\0'; |
1e8a024a | 2572 | |
46d1c23b TG |
2573 | seg->vmaddr = bfd_h_get_64 (abfd, raw.vmaddr); |
2574 | seg->vmsize = bfd_h_get_64 (abfd, raw.vmsize); | |
2575 | seg->fileoff = bfd_h_get_64 (abfd, raw.fileoff); | |
2576 | seg->filesize = bfd_h_get_64 (abfd, raw.filesize); | |
2577 | seg->maxprot = bfd_h_get_32 (abfd, raw.maxprot); | |
2578 | seg->initprot = bfd_h_get_32 (abfd, raw.initprot); | |
2579 | seg->nsects = bfd_h_get_32 (abfd, raw.nsects); | |
2580 | seg->flags = bfd_h_get_32 (abfd, raw.flags); | |
1e8a024a TG |
2581 | } |
2582 | else | |
2583 | { | |
46d1c23b TG |
2584 | struct mach_o_segment_command_32_external raw; |
2585 | ||
1e8a024a TG |
2586 | BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT); |
2587 | ||
46d1c23b TG |
2588 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 |
2589 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
2590 | return -1; | |
1e8a024a | 2591 | |
46d1c23b | 2592 | memcpy (seg->segname, raw.segname, 16); |
15e1c58a | 2593 | seg->segname[16] = '\0'; |
1e8a024a | 2594 | |
46d1c23b TG |
2595 | seg->vmaddr = bfd_h_get_32 (abfd, raw.vmaddr); |
2596 | seg->vmsize = bfd_h_get_32 (abfd, raw.vmsize); | |
2597 | seg->fileoff = bfd_h_get_32 (abfd, raw.fileoff); | |
2598 | seg->filesize = bfd_h_get_32 (abfd, raw.filesize); | |
2599 | seg->maxprot = bfd_h_get_32 (abfd, raw.maxprot); | |
2600 | seg->initprot = bfd_h_get_32 (abfd, raw.initprot); | |
2601 | seg->nsects = bfd_h_get_32 (abfd, raw.nsects); | |
2602 | seg->flags = bfd_h_get_32 (abfd, raw.flags); | |
1e8a024a | 2603 | } |
9d4b6009 TG |
2604 | seg->sect_head = NULL; |
2605 | seg->sect_tail = NULL; | |
3af9a47b | 2606 | |
f1bde64c | 2607 | for (i = 0; i < seg->nsects; i++) |
3af9a47b | 2608 | { |
f1bde64c TG |
2609 | bfd_vma segoff; |
2610 | asection *sec; | |
a95a4550 | 2611 | |
f1bde64c TG |
2612 | if (wide) |
2613 | segoff = command->offset + BFD_MACH_O_LC_SEGMENT_64_SIZE | |
2614 | + (i * BFD_MACH_O_SECTION_64_SIZE); | |
2615 | else | |
2616 | segoff = command->offset + BFD_MACH_O_LC_SEGMENT_SIZE | |
2617 | + (i * BFD_MACH_O_SECTION_SIZE); | |
3af9a47b | 2618 | |
f1bde64c TG |
2619 | sec = bfd_mach_o_read_section (abfd, segoff, seg->initprot, wide); |
2620 | if (sec == NULL) | |
2621 | return -1; | |
2622 | ||
2623 | bfd_mach_o_append_section_to_segment (seg, sec); | |
3af9a47b NC |
2624 | } |
2625 | ||
2626 | return 0; | |
2627 | } | |
2628 | ||
1e8a024a | 2629 | static int |
ab273af8 | 2630 | bfd_mach_o_read_segment_32 (bfd *abfd, bfd_mach_o_load_command *command) |
1e8a024a | 2631 | { |
ab273af8 | 2632 | return bfd_mach_o_read_segment (abfd, command, 0); |
1e8a024a TG |
2633 | } |
2634 | ||
2635 | static int | |
ab273af8 | 2636 | bfd_mach_o_read_segment_64 (bfd *abfd, bfd_mach_o_load_command *command) |
1e8a024a | 2637 | { |
ab273af8 | 2638 | return bfd_mach_o_read_segment (abfd, command, 1); |
1e8a024a TG |
2639 | } |
2640 | ||
3af9a47b | 2641 | static int |
ab273af8 | 2642 | bfd_mach_o_read_command (bfd *abfd, bfd_mach_o_load_command *command) |
3af9a47b | 2643 | { |
46d1c23b TG |
2644 | struct mach_o_load_command_external raw; |
2645 | unsigned int cmd; | |
3af9a47b | 2646 | |
046b007d | 2647 | /* Read command type and length. */ |
c2f09c75 | 2648 | if (bfd_seek (abfd, command->offset, SEEK_SET) != 0 |
46d1c23b | 2649 | || bfd_bread (&raw, BFD_MACH_O_LC_SIZE, abfd) != BFD_MACH_O_LC_SIZE) |
3af9a47b NC |
2650 | return -1; |
2651 | ||
46d1c23b TG |
2652 | cmd = bfd_h_get_32 (abfd, raw.cmd); |
2653 | command->type = cmd & ~BFD_MACH_O_LC_REQ_DYLD; | |
2654 | command->type_required = cmd & BFD_MACH_O_LC_REQ_DYLD ? TRUE : FALSE; | |
2655 | command->len = bfd_h_get_32 (abfd, raw.cmdsize); | |
3af9a47b NC |
2656 | |
2657 | switch (command->type) | |
2658 | { | |
2659 | case BFD_MACH_O_LC_SEGMENT: | |
ab273af8 | 2660 | if (bfd_mach_o_read_segment_32 (abfd, command) != 0) |
1e8a024a TG |
2661 | return -1; |
2662 | break; | |
2663 | case BFD_MACH_O_LC_SEGMENT_64: | |
ab273af8 | 2664 | if (bfd_mach_o_read_segment_64 (abfd, command) != 0) |
3af9a47b NC |
2665 | return -1; |
2666 | break; | |
2667 | case BFD_MACH_O_LC_SYMTAB: | |
ab273af8 | 2668 | if (bfd_mach_o_read_symtab (abfd, command) != 0) |
3af9a47b NC |
2669 | return -1; |
2670 | break; | |
2671 | case BFD_MACH_O_LC_SYMSEG: | |
2672 | break; | |
2673 | case BFD_MACH_O_LC_THREAD: | |
2674 | case BFD_MACH_O_LC_UNIXTHREAD: | |
ab273af8 | 2675 | if (bfd_mach_o_read_thread (abfd, command) != 0) |
3af9a47b NC |
2676 | return -1; |
2677 | break; | |
2678 | case BFD_MACH_O_LC_LOAD_DYLINKER: | |
2679 | case BFD_MACH_O_LC_ID_DYLINKER: | |
ab273af8 | 2680 | if (bfd_mach_o_read_dylinker (abfd, command) != 0) |
3af9a47b NC |
2681 | return -1; |
2682 | break; | |
2683 | case BFD_MACH_O_LC_LOAD_DYLIB: | |
2684 | case BFD_MACH_O_LC_ID_DYLIB: | |
2685 | case BFD_MACH_O_LC_LOAD_WEAK_DYLIB: | |
046b007d | 2686 | case BFD_MACH_O_LC_REEXPORT_DYLIB: |
ab273af8 | 2687 | if (bfd_mach_o_read_dylib (abfd, command) != 0) |
3af9a47b NC |
2688 | return -1; |
2689 | break; | |
2690 | case BFD_MACH_O_LC_PREBOUND_DYLIB: | |
ab273af8 | 2691 | if (bfd_mach_o_read_prebound_dylib (abfd, command) != 0) |
3af9a47b NC |
2692 | return -1; |
2693 | break; | |
2694 | case BFD_MACH_O_LC_LOADFVMLIB: | |
2695 | case BFD_MACH_O_LC_IDFVMLIB: | |
2696 | case BFD_MACH_O_LC_IDENT: | |
2697 | case BFD_MACH_O_LC_FVMFILE: | |
2698 | case BFD_MACH_O_LC_PREPAGE: | |
2699 | case BFD_MACH_O_LC_ROUTINES: | |
9b02d212 | 2700 | case BFD_MACH_O_LC_ROUTINES_64: |
046b007d | 2701 | break; |
3af9a47b | 2702 | case BFD_MACH_O_LC_SUB_FRAMEWORK: |
046b007d TG |
2703 | case BFD_MACH_O_LC_SUB_UMBRELLA: |
2704 | case BFD_MACH_O_LC_SUB_LIBRARY: | |
2705 | case BFD_MACH_O_LC_SUB_CLIENT: | |
0c9b2b4c | 2706 | case BFD_MACH_O_LC_RPATH: |
ab273af8 | 2707 | if (bfd_mach_o_read_str (abfd, command) != 0) |
046b007d | 2708 | return -1; |
3af9a47b NC |
2709 | break; |
2710 | case BFD_MACH_O_LC_DYSYMTAB: | |
ab273af8 | 2711 | if (bfd_mach_o_read_dysymtab (abfd, command) != 0) |
3af9a47b NC |
2712 | return -1; |
2713 | break; | |
3af9a47b NC |
2714 | case BFD_MACH_O_LC_TWOLEVEL_HINTS: |
2715 | case BFD_MACH_O_LC_PREBIND_CKSUM: | |
2716 | break; | |
15e1c58a | 2717 | case BFD_MACH_O_LC_UUID: |
ab273af8 | 2718 | if (bfd_mach_o_read_uuid (abfd, command) != 0) |
15e1c58a TG |
2719 | return -1; |
2720 | break; | |
2721 | case BFD_MACH_O_LC_CODE_SIGNATURE: | |
846b9259 | 2722 | case BFD_MACH_O_LC_SEGMENT_SPLIT_INFO: |
edbdea0e | 2723 | case BFD_MACH_O_LC_FUNCTION_STARTS: |
ab273af8 | 2724 | if (bfd_mach_o_read_linkedit (abfd, command) != 0) |
046b007d | 2725 | return -1; |
15e1c58a | 2726 | break; |
ad86f1fb | 2727 | case BFD_MACH_O_LC_DYLD_INFO: |
ab273af8 | 2728 | if (bfd_mach_o_read_dyld_info (abfd, command) != 0) |
ad86f1fb TG |
2729 | return -1; |
2730 | break; | |
edbdea0e TG |
2731 | case BFD_MACH_O_LC_VERSION_MIN_MACOSX: |
2732 | case BFD_MACH_O_LC_VERSION_MIN_IPHONEOS: | |
2733 | if (!bfd_mach_o_read_version_min (abfd, command)) | |
2734 | return -1; | |
2735 | break; | |
3af9a47b | 2736 | default: |
4a97a0e5 AM |
2737 | (*_bfd_error_handler) (_("unable to read unknown load command 0x%lx"), |
2738 | (unsigned long) command->type); | |
3af9a47b NC |
2739 | break; |
2740 | } | |
2741 | ||
2742 | return 0; | |
2743 | } | |
2744 | ||
2745 | static void | |
116c20d2 | 2746 | bfd_mach_o_flatten_sections (bfd *abfd) |
3af9a47b | 2747 | { |
046b007d | 2748 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
3af9a47b | 2749 | long csect = 0; |
f1bde64c | 2750 | unsigned long i; |
a95a4550 | 2751 | |
15e1c58a | 2752 | /* Count total number of sections. */ |
3af9a47b NC |
2753 | mdata->nsects = 0; |
2754 | ||
2755 | for (i = 0; i < mdata->header.ncmds; i++) | |
2756 | { | |
1e8a024a TG |
2757 | if (mdata->commands[i].type == BFD_MACH_O_LC_SEGMENT |
2758 | || mdata->commands[i].type == BFD_MACH_O_LC_SEGMENT_64) | |
3af9a47b | 2759 | { |
e84d6fca AM |
2760 | bfd_mach_o_segment_command *seg; |
2761 | ||
2762 | seg = &mdata->commands[i].command.segment; | |
3af9a47b NC |
2763 | mdata->nsects += seg->nsects; |
2764 | } | |
2765 | } | |
2766 | ||
15e1c58a | 2767 | /* Allocate sections array. */ |
e84d6fca AM |
2768 | mdata->sections = bfd_alloc (abfd, |
2769 | mdata->nsects * sizeof (bfd_mach_o_section *)); | |
15e1c58a TG |
2770 | |
2771 | /* Fill the array. */ | |
3af9a47b NC |
2772 | csect = 0; |
2773 | ||
2774 | for (i = 0; i < mdata->header.ncmds; i++) | |
2775 | { | |
1e8a024a TG |
2776 | if (mdata->commands[i].type == BFD_MACH_O_LC_SEGMENT |
2777 | || mdata->commands[i].type == BFD_MACH_O_LC_SEGMENT_64) | |
3af9a47b | 2778 | { |
e84d6fca | 2779 | bfd_mach_o_segment_command *seg; |
f1bde64c | 2780 | bfd_mach_o_section *sec; |
3af9a47b | 2781 | |
e84d6fca | 2782 | seg = &mdata->commands[i].command.segment; |
3af9a47b NC |
2783 | BFD_ASSERT (csect + seg->nsects <= mdata->nsects); |
2784 | ||
f1bde64c TG |
2785 | for (sec = seg->sect_head; sec != NULL; sec = sec->next) |
2786 | mdata->sections[csect++] = sec; | |
3af9a47b NC |
2787 | } |
2788 | } | |
2789 | } | |
2790 | ||
2791 | int | |
116c20d2 | 2792 | bfd_mach_o_scan_start_address (bfd *abfd) |
3af9a47b | 2793 | { |
046b007d | 2794 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
3af9a47b NC |
2795 | bfd_mach_o_thread_command *cmd = NULL; |
2796 | unsigned long i; | |
2797 | ||
2798 | for (i = 0; i < mdata->header.ncmds; i++) | |
2799 | { | |
2800 | if ((mdata->commands[i].type == BFD_MACH_O_LC_THREAD) || | |
2801 | (mdata->commands[i].type == BFD_MACH_O_LC_UNIXTHREAD)) | |
2802 | { | |
2803 | if (cmd == NULL) | |
2804 | cmd = &mdata->commands[i].command.thread; | |
2805 | else | |
2806 | return 0; | |
2807 | } | |
2808 | } | |
2809 | ||
2810 | if (cmd == NULL) | |
2811 | return 0; | |
2812 | ||
2813 | for (i = 0; i < cmd->nflavours; i++) | |
2814 | { | |
a95a4550 | 2815 | if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_I386) |
e84d6fca | 2816 | && (cmd->flavours[i].flavour |
15e1c58a | 2817 | == (unsigned long) BFD_MACH_O_x86_THREAD_STATE32)) |
3af9a47b NC |
2818 | { |
2819 | unsigned char buf[4]; | |
2820 | ||
c2f09c75 TG |
2821 | if (bfd_seek (abfd, cmd->flavours[i].offset + 40, SEEK_SET) != 0 |
2822 | || bfd_bread (buf, 4, abfd) != 4) | |
3af9a47b NC |
2823 | return -1; |
2824 | ||
2825 | abfd->start_address = bfd_h_get_32 (abfd, buf); | |
2826 | } | |
a95a4550 | 2827 | else if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_POWERPC) |
3af9a47b NC |
2828 | && (cmd->flavours[i].flavour == BFD_MACH_O_PPC_THREAD_STATE)) |
2829 | { | |
2830 | unsigned char buf[4]; | |
2831 | ||
c2f09c75 TG |
2832 | if (bfd_seek (abfd, cmd->flavours[i].offset + 0, SEEK_SET) != 0 |
2833 | || bfd_bread (buf, 4, abfd) != 4) | |
3af9a47b NC |
2834 | return -1; |
2835 | ||
2836 | abfd->start_address = bfd_h_get_32 (abfd, buf); | |
2837 | } | |
1e8a024a | 2838 | else if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_POWERPC_64) |
b32e07d7 | 2839 | && (cmd->flavours[i].flavour == BFD_MACH_O_PPC_THREAD_STATE64)) |
1e8a024a TG |
2840 | { |
2841 | unsigned char buf[8]; | |
2842 | ||
c2f09c75 TG |
2843 | if (bfd_seek (abfd, cmd->flavours[i].offset + 0, SEEK_SET) != 0 |
2844 | || bfd_bread (buf, 8, abfd) != 8) | |
1e8a024a TG |
2845 | return -1; |
2846 | ||
2847 | abfd->start_address = bfd_h_get_64 (abfd, buf); | |
2848 | } | |
2849 | else if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_X86_64) | |
2850 | && (cmd->flavours[i].flavour == BFD_MACH_O_x86_THREAD_STATE64)) | |
2851 | { | |
2852 | unsigned char buf[8]; | |
2853 | ||
c2f09c75 TG |
2854 | if (bfd_seek (abfd, cmd->flavours[i].offset + (16 * 8), SEEK_SET) != 0 |
2855 | || bfd_bread (buf, 8, abfd) != 8) | |
1e8a024a TG |
2856 | return -1; |
2857 | ||
2858 | abfd->start_address = bfd_h_get_64 (abfd, buf); | |
2859 | } | |
3af9a47b NC |
2860 | } |
2861 | ||
2862 | return 0; | |
2863 | } | |
2864 | ||
42fa0891 TG |
2865 | bfd_boolean |
2866 | bfd_mach_o_set_arch_mach (bfd *abfd, | |
2867 | enum bfd_architecture arch, | |
2868 | unsigned long machine) | |
2869 | { | |
2870 | bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd); | |
2871 | ||
2872 | /* If this isn't the right architecture for this backend, and this | |
2873 | isn't the generic backend, fail. */ | |
2874 | if (arch != bed->arch | |
2875 | && arch != bfd_arch_unknown | |
2876 | && bed->arch != bfd_arch_unknown) | |
2877 | return FALSE; | |
2878 | ||
2879 | return bfd_default_set_arch_mach (abfd, arch, machine); | |
2880 | } | |
2881 | ||
3af9a47b | 2882 | int |
116c20d2 NC |
2883 | bfd_mach_o_scan (bfd *abfd, |
2884 | bfd_mach_o_header *header, | |
2885 | bfd_mach_o_data_struct *mdata) | |
3af9a47b NC |
2886 | { |
2887 | unsigned int i; | |
3af9a47b NC |
2888 | enum bfd_architecture cputype; |
2889 | unsigned long cpusubtype; | |
1e8a024a TG |
2890 | unsigned int hdrsize; |
2891 | ||
c2f09c75 | 2892 | hdrsize = mach_o_wide_p (header) ? |
154a1ee5 | 2893 | BFD_MACH_O_HEADER_64_SIZE : BFD_MACH_O_HEADER_SIZE; |
3af9a47b | 2894 | |
3af9a47b | 2895 | mdata->header = *header; |
3af9a47b | 2896 | |
154a1ee5 | 2897 | abfd->flags = abfd->flags & BFD_IN_MEMORY; |
15e1c58a TG |
2898 | switch (header->filetype) |
2899 | { | |
2900 | case BFD_MACH_O_MH_OBJECT: | |
2901 | abfd->flags |= HAS_RELOC; | |
2902 | break; | |
2903 | case BFD_MACH_O_MH_EXECUTE: | |
2904 | abfd->flags |= EXEC_P; | |
2905 | break; | |
2906 | case BFD_MACH_O_MH_DYLIB: | |
2907 | case BFD_MACH_O_MH_BUNDLE: | |
2908 | abfd->flags |= DYNAMIC; | |
2909 | break; | |
2910 | } | |
2911 | ||
3af9a47b NC |
2912 | abfd->tdata.mach_o_data = mdata; |
2913 | ||
e84d6fca AM |
2914 | bfd_mach_o_convert_architecture (header->cputype, header->cpusubtype, |
2915 | &cputype, &cpusubtype); | |
3af9a47b NC |
2916 | if (cputype == bfd_arch_unknown) |
2917 | { | |
4a97a0e5 AM |
2918 | (*_bfd_error_handler) (_("bfd_mach_o_scan: unknown architecture 0x%lx/0x%lx"), |
2919 | header->cputype, header->cpusubtype); | |
3af9a47b NC |
2920 | return -1; |
2921 | } | |
2922 | ||
2923 | bfd_set_arch_mach (abfd, cputype, cpusubtype); | |
a95a4550 | 2924 | |
3af9a47b NC |
2925 | if (header->ncmds != 0) |
2926 | { | |
046b007d TG |
2927 | mdata->commands = bfd_alloc |
2928 | (abfd, header->ncmds * sizeof (bfd_mach_o_load_command)); | |
3af9a47b NC |
2929 | if (mdata->commands == NULL) |
2930 | return -1; | |
a95a4550 | 2931 | |
3af9a47b NC |
2932 | for (i = 0; i < header->ncmds; i++) |
2933 | { | |
2934 | bfd_mach_o_load_command *cur = &mdata->commands[i]; | |
2935 | ||
2936 | if (i == 0) | |
1e8a024a | 2937 | cur->offset = hdrsize; |
3af9a47b NC |
2938 | else |
2939 | { | |
2940 | bfd_mach_o_load_command *prev = &mdata->commands[i - 1]; | |
2941 | cur->offset = prev->offset + prev->len; | |
2942 | } | |
2943 | ||
ab273af8 | 2944 | if (bfd_mach_o_read_command (abfd, cur) < 0) |
3af9a47b | 2945 | return -1; |
a95a4550 | 2946 | } |
3af9a47b NC |
2947 | } |
2948 | ||
2949 | if (bfd_mach_o_scan_start_address (abfd) < 0) | |
7e3102a7 | 2950 | return -1; |
3af9a47b NC |
2951 | |
2952 | bfd_mach_o_flatten_sections (abfd); | |
3af9a47b NC |
2953 | return 0; |
2954 | } | |
2955 | ||
b34976b6 | 2956 | bfd_boolean |
154a1ee5 | 2957 | bfd_mach_o_mkobject_init (bfd *abfd) |
3af9a47b NC |
2958 | { |
2959 | bfd_mach_o_data_struct *mdata = NULL; | |
2960 | ||
116c20d2 | 2961 | mdata = bfd_alloc (abfd, sizeof (bfd_mach_o_data_struct)); |
3af9a47b | 2962 | if (mdata == NULL) |
b34976b6 | 2963 | return FALSE; |
3af9a47b NC |
2964 | abfd->tdata.mach_o_data = mdata; |
2965 | ||
2966 | mdata->header.magic = 0; | |
2967 | mdata->header.cputype = 0; | |
2968 | mdata->header.cpusubtype = 0; | |
2969 | mdata->header.filetype = 0; | |
2970 | mdata->header.ncmds = 0; | |
2971 | mdata->header.sizeofcmds = 0; | |
2972 | mdata->header.flags = 0; | |
2973 | mdata->header.byteorder = BFD_ENDIAN_UNKNOWN; | |
2974 | mdata->commands = NULL; | |
3af9a47b NC |
2975 | mdata->nsects = 0; |
2976 | mdata->sections = NULL; | |
3af9a47b | 2977 | |
b34976b6 | 2978 | return TRUE; |
3af9a47b NC |
2979 | } |
2980 | ||
42fa0891 TG |
2981 | static bfd_boolean |
2982 | bfd_mach_o_gen_mkobject (bfd *abfd) | |
2983 | { | |
2984 | bfd_mach_o_data_struct *mdata; | |
2985 | ||
2986 | if (!bfd_mach_o_mkobject_init (abfd)) | |
2987 | return FALSE; | |
2988 | ||
2989 | mdata = bfd_mach_o_get_data (abfd); | |
2990 | mdata->header.magic = BFD_MACH_O_MH_MAGIC; | |
2991 | mdata->header.cputype = 0; | |
2992 | mdata->header.cpusubtype = 0; | |
2993 | mdata->header.byteorder = abfd->xvec->byteorder; | |
2994 | mdata->header.version = 1; | |
2995 | ||
2996 | return TRUE; | |
2997 | } | |
2998 | ||
3af9a47b | 2999 | const bfd_target * |
154a1ee5 TG |
3000 | bfd_mach_o_header_p (bfd *abfd, |
3001 | bfd_mach_o_filetype filetype, | |
3002 | bfd_mach_o_cpu_type cputype) | |
3af9a47b | 3003 | { |
e84d6fca | 3004 | struct bfd_preserve preserve; |
3af9a47b NC |
3005 | bfd_mach_o_header header; |
3006 | ||
e84d6fca | 3007 | preserve.marker = NULL; |
154a1ee5 | 3008 | if (!bfd_mach_o_read_header (abfd, &header)) |
e84d6fca | 3009 | goto wrong; |
3af9a47b | 3010 | |
e84d6fca AM |
3011 | if (! (header.byteorder == BFD_ENDIAN_BIG |
3012 | || header.byteorder == BFD_ENDIAN_LITTLE)) | |
3af9a47b | 3013 | { |
4a97a0e5 AM |
3014 | (*_bfd_error_handler) (_("unknown header byte-order value 0x%lx"), |
3015 | (unsigned long) header.byteorder); | |
e84d6fca | 3016 | goto wrong; |
3af9a47b NC |
3017 | } |
3018 | ||
e84d6fca AM |
3019 | if (! ((header.byteorder == BFD_ENDIAN_BIG |
3020 | && abfd->xvec->byteorder == BFD_ENDIAN_BIG | |
3021 | && abfd->xvec->header_byteorder == BFD_ENDIAN_BIG) | |
3022 | || (header.byteorder == BFD_ENDIAN_LITTLE | |
3023 | && abfd->xvec->byteorder == BFD_ENDIAN_LITTLE | |
3024 | && abfd->xvec->header_byteorder == BFD_ENDIAN_LITTLE))) | |
3025 | goto wrong; | |
3af9a47b | 3026 | |
154a1ee5 TG |
3027 | /* Check cputype and filetype. |
3028 | In case of wildcard, do not accept magics that are handled by existing | |
3029 | targets. */ | |
3030 | if (cputype) | |
3031 | { | |
3032 | if (header.cputype != cputype) | |
3033 | goto wrong; | |
3034 | } | |
3035 | else | |
3036 | { | |
3037 | switch (header.cputype) | |
3038 | { | |
3039 | case BFD_MACH_O_CPU_TYPE_I386: | |
3040 | /* Handled by mach-o-i386 */ | |
3041 | goto wrong; | |
3042 | default: | |
3043 | break; | |
3044 | } | |
3045 | } | |
3046 | if (filetype) | |
3047 | { | |
3048 | if (header.filetype != filetype) | |
3049 | goto wrong; | |
3050 | } | |
3051 | else | |
3052 | { | |
3053 | switch (header.filetype) | |
3054 | { | |
3055 | case BFD_MACH_O_MH_CORE: | |
3056 | /* Handled by core_p */ | |
3057 | goto wrong; | |
3058 | default: | |
3059 | break; | |
3060 | } | |
3061 | } | |
3062 | ||
e84d6fca AM |
3063 | preserve.marker = bfd_zalloc (abfd, sizeof (bfd_mach_o_data_struct)); |
3064 | if (preserve.marker == NULL | |
3065 | || !bfd_preserve_save (abfd, &preserve)) | |
3066 | goto fail; | |
3af9a47b | 3067 | |
e84d6fca AM |
3068 | if (bfd_mach_o_scan (abfd, &header, |
3069 | (bfd_mach_o_data_struct *) preserve.marker) != 0) | |
3070 | goto wrong; | |
a95a4550 | 3071 | |
e84d6fca | 3072 | bfd_preserve_finish (abfd, &preserve); |
3af9a47b | 3073 | return abfd->xvec; |
e84d6fca AM |
3074 | |
3075 | wrong: | |
3076 | bfd_set_error (bfd_error_wrong_format); | |
3077 | ||
3078 | fail: | |
3079 | if (preserve.marker != NULL) | |
3080 | bfd_preserve_restore (abfd, &preserve); | |
3081 | return NULL; | |
3af9a47b NC |
3082 | } |
3083 | ||
154a1ee5 TG |
3084 | static const bfd_target * |
3085 | bfd_mach_o_gen_object_p (bfd *abfd) | |
3af9a47b | 3086 | { |
154a1ee5 TG |
3087 | return bfd_mach_o_header_p (abfd, 0, 0); |
3088 | } | |
e84d6fca | 3089 | |
154a1ee5 TG |
3090 | static const bfd_target * |
3091 | bfd_mach_o_gen_core_p (bfd *abfd) | |
3092 | { | |
3093 | return bfd_mach_o_header_p (abfd, BFD_MACH_O_MH_CORE, 0); | |
3af9a47b NC |
3094 | } |
3095 | ||
3096 | typedef struct mach_o_fat_archentry | |
3097 | { | |
3098 | unsigned long cputype; | |
3099 | unsigned long cpusubtype; | |
3100 | unsigned long offset; | |
3101 | unsigned long size; | |
3102 | unsigned long align; | |
3af9a47b NC |
3103 | } mach_o_fat_archentry; |
3104 | ||
3105 | typedef struct mach_o_fat_data_struct | |
3106 | { | |
3107 | unsigned long magic; | |
3108 | unsigned long nfat_arch; | |
3109 | mach_o_fat_archentry *archentries; | |
3110 | } mach_o_fat_data_struct; | |
3111 | ||
3112 | const bfd_target * | |
116c20d2 | 3113 | bfd_mach_o_archive_p (bfd *abfd) |
3af9a47b | 3114 | { |
e84d6fca | 3115 | mach_o_fat_data_struct *adata = NULL; |
46d1c23b | 3116 | struct mach_o_fat_header_external hdr; |
3af9a47b NC |
3117 | unsigned long i; |
3118 | ||
c2f09c75 | 3119 | if (bfd_seek (abfd, 0, SEEK_SET) != 0 |
46d1c23b | 3120 | || bfd_bread (&hdr, sizeof (hdr), abfd) != sizeof (hdr)) |
e84d6fca | 3121 | goto error; |
3af9a47b | 3122 | |
116c20d2 | 3123 | adata = bfd_alloc (abfd, sizeof (mach_o_fat_data_struct)); |
3af9a47b | 3124 | if (adata == NULL) |
e84d6fca | 3125 | goto error; |
a95a4550 | 3126 | |
46d1c23b TG |
3127 | adata->magic = bfd_getb32 (hdr.magic); |
3128 | adata->nfat_arch = bfd_getb32 (hdr.nfat_arch); | |
3af9a47b | 3129 | if (adata->magic != 0xcafebabe) |
e84d6fca | 3130 | goto error; |
27cc28f9 AS |
3131 | /* Avoid matching Java bytecode files, which have the same magic number. |
3132 | In the Java bytecode file format this field contains the JVM version, | |
3133 | which starts at 43.0. */ | |
3134 | if (adata->nfat_arch > 30) | |
3135 | goto error; | |
3af9a47b | 3136 | |
c2f09c75 | 3137 | adata->archentries = |
3af9a47b NC |
3138 | bfd_alloc (abfd, adata->nfat_arch * sizeof (mach_o_fat_archentry)); |
3139 | if (adata->archentries == NULL) | |
e84d6fca | 3140 | goto error; |
3af9a47b NC |
3141 | |
3142 | for (i = 0; i < adata->nfat_arch; i++) | |
3143 | { | |
46d1c23b TG |
3144 | struct mach_o_fat_arch_external arch; |
3145 | if (bfd_bread (&arch, sizeof (arch), abfd) != sizeof (arch)) | |
e84d6fca | 3146 | goto error; |
46d1c23b TG |
3147 | adata->archentries[i].cputype = bfd_getb32 (arch.cputype); |
3148 | adata->archentries[i].cpusubtype = bfd_getb32 (arch.cpusubtype); | |
3149 | adata->archentries[i].offset = bfd_getb32 (arch.offset); | |
3150 | adata->archentries[i].size = bfd_getb32 (arch.size); | |
3151 | adata->archentries[i].align = bfd_getb32 (arch.align); | |
3af9a47b NC |
3152 | } |
3153 | ||
3154 | abfd->tdata.mach_o_fat_data = adata; | |
3155 | return abfd->xvec; | |
e84d6fca AM |
3156 | |
3157 | error: | |
3158 | if (adata != NULL) | |
3159 | bfd_release (abfd, adata); | |
3160 | bfd_set_error (bfd_error_wrong_format); | |
3161 | return NULL; | |
3af9a47b NC |
3162 | } |
3163 | ||
3164 | bfd * | |
116c20d2 | 3165 | bfd_mach_o_openr_next_archived_file (bfd *archive, bfd *prev) |
3af9a47b | 3166 | { |
e84d6fca | 3167 | mach_o_fat_data_struct *adata; |
3af9a47b NC |
3168 | mach_o_fat_archentry *entry = NULL; |
3169 | unsigned long i; | |
15e1c58a | 3170 | bfd *nbfd; |
15e1c58a TG |
3171 | enum bfd_architecture arch_type; |
3172 | unsigned long arch_subtype; | |
3af9a47b | 3173 | |
e84d6fca | 3174 | adata = (mach_o_fat_data_struct *) archive->tdata.mach_o_fat_data; |
3af9a47b NC |
3175 | BFD_ASSERT (adata != NULL); |
3176 | ||
3177 | /* Find index of previous entry. */ | |
3178 | if (prev == NULL) | |
3179 | i = 0; /* Start at first one. */ | |
3180 | else | |
3181 | { | |
3182 | for (i = 0; i < adata->nfat_arch; i++) | |
3183 | { | |
15e1c58a | 3184 | if (adata->archentries[i].offset == prev->origin) |
3af9a47b NC |
3185 | break; |
3186 | } | |
3187 | ||
3188 | if (i == adata->nfat_arch) | |
3189 | { | |
3190 | /* Not found. */ | |
3191 | bfd_set_error (bfd_error_bad_value); | |
a95a4550 | 3192 | return NULL; |
3af9a47b NC |
3193 | } |
3194 | i++; /* Get next entry. */ | |
3195 | } | |
a95a4550 | 3196 | |
3af9a47b NC |
3197 | if (i >= adata->nfat_arch) |
3198 | { | |
3199 | bfd_set_error (bfd_error_no_more_archived_files); | |
3200 | return NULL; | |
3201 | } | |
3202 | ||
3203 | entry = &adata->archentries[i]; | |
15e1c58a TG |
3204 | nbfd = _bfd_new_bfd_contained_in (archive); |
3205 | if (nbfd == NULL) | |
3206 | return NULL; | |
3207 | ||
3208 | nbfd->origin = entry->offset; | |
3209 | ||
3210 | bfd_mach_o_convert_architecture (entry->cputype, entry->cpusubtype, | |
3211 | &arch_type, &arch_subtype); | |
846b9259 TG |
3212 | /* Create the member filename. |
3213 | Use FILENAME:ARCH_NAME. */ | |
3214 | { | |
3215 | char *s = NULL; | |
3216 | const char *arch_name; | |
3217 | size_t arch_file_len = strlen (bfd_get_filename (archive)); | |
3218 | ||
3219 | arch_name = bfd_printable_arch_mach (arch_type, arch_subtype); | |
3220 | s = bfd_malloc (arch_file_len + 1 + strlen (arch_name) + 1); | |
3221 | if (s == NULL) | |
3222 | return NULL; | |
3223 | memcpy (s, bfd_get_filename (archive), arch_file_len); | |
3224 | s[arch_file_len] = ':'; | |
3225 | strcpy (s + arch_file_len + 1, arch_name); | |
3226 | nbfd->filename = s; | |
3227 | } | |
15e1c58a | 3228 | nbfd->iostream = NULL; |
846b9259 | 3229 | bfd_set_arch_mach (nbfd, arch_type, arch_subtype); |
3af9a47b | 3230 | |
15e1c58a | 3231 | return nbfd; |
3af9a47b NC |
3232 | } |
3233 | ||
846b9259 TG |
3234 | /* If ABFD format is FORMAT and architecture is ARCH, return it. |
3235 | If ABFD is a fat image containing a member that corresponds to FORMAT | |
3236 | and ARCH, returns it. | |
3237 | In other case, returns NULL. | |
3238 | This function allows transparent uses of fat images. */ | |
3239 | bfd * | |
3240 | bfd_mach_o_fat_extract (bfd *abfd, | |
3241 | bfd_format format, | |
3242 | const bfd_arch_info_type *arch) | |
3243 | { | |
3244 | bfd *res; | |
3245 | mach_o_fat_data_struct *adata; | |
3246 | unsigned int i; | |
3247 | ||
3248 | if (bfd_check_format (abfd, format)) | |
3249 | { | |
3250 | if (bfd_get_arch_info (abfd) == arch) | |
3251 | return abfd; | |
3252 | return NULL; | |
3253 | } | |
3254 | if (!bfd_check_format (abfd, bfd_archive) | |
3255 | || abfd->xvec != &mach_o_fat_vec) | |
3256 | return NULL; | |
c2f09c75 | 3257 | |
846b9259 TG |
3258 | /* This is a Mach-O fat image. */ |
3259 | adata = (mach_o_fat_data_struct *) abfd->tdata.mach_o_fat_data; | |
3260 | BFD_ASSERT (adata != NULL); | |
3261 | ||
3262 | for (i = 0; i < adata->nfat_arch; i++) | |
3263 | { | |
3264 | struct mach_o_fat_archentry *e = &adata->archentries[i]; | |
3265 | enum bfd_architecture cpu_type; | |
3266 | unsigned long cpu_subtype; | |
3267 | ||
3268 | bfd_mach_o_convert_architecture (e->cputype, e->cpusubtype, | |
3269 | &cpu_type, &cpu_subtype); | |
3270 | if (cpu_type != arch->arch || cpu_subtype != arch->mach) | |
3271 | continue; | |
3272 | ||
3273 | /* The architecture is found. */ | |
3274 | res = _bfd_new_bfd_contained_in (abfd); | |
3275 | if (res == NULL) | |
3276 | return NULL; | |
3277 | ||
3278 | res->origin = e->offset; | |
3279 | ||
3280 | res->filename = strdup (abfd->filename); | |
3281 | res->iostream = NULL; | |
3282 | ||
3283 | if (bfd_check_format (res, format)) | |
3284 | { | |
3285 | BFD_ASSERT (bfd_get_arch_info (res) == arch); | |
3286 | return res; | |
3287 | } | |
3288 | bfd_close (res); | |
3289 | return NULL; | |
3290 | } | |
3291 | ||
3292 | return NULL; | |
3293 | } | |
3294 | ||
3af9a47b | 3295 | int |
116c20d2 NC |
3296 | bfd_mach_o_lookup_command (bfd *abfd, |
3297 | bfd_mach_o_load_command_type type, | |
3298 | bfd_mach_o_load_command **mcommand) | |
3af9a47b | 3299 | { |
046b007d | 3300 | struct mach_o_data_struct *md = bfd_mach_o_get_data (abfd); |
3af9a47b NC |
3301 | bfd_mach_o_load_command *ncmd = NULL; |
3302 | unsigned int i, num; | |
3303 | ||
3af9a47b NC |
3304 | BFD_ASSERT (md != NULL); |
3305 | BFD_ASSERT (mcommand != NULL); | |
3306 | ||
3307 | num = 0; | |
3308 | for (i = 0; i < md->header.ncmds; i++) | |
3309 | { | |
3310 | struct bfd_mach_o_load_command *cmd = &md->commands[i]; | |
3311 | ||
3312 | if (cmd->type != type) | |
3313 | continue; | |
3314 | ||
3315 | if (num == 0) | |
3316 | ncmd = cmd; | |
3317 | num++; | |
3318 | } | |
3319 | ||
3320 | *mcommand = ncmd; | |
3321 | return num; | |
3322 | } | |
3323 | ||
3324 | unsigned long | |
116c20d2 | 3325 | bfd_mach_o_stack_addr (enum bfd_mach_o_cpu_type type) |
3af9a47b NC |
3326 | { |
3327 | switch (type) | |
3328 | { | |
3329 | case BFD_MACH_O_CPU_TYPE_MC680x0: | |
3330 | return 0x04000000; | |
3331 | case BFD_MACH_O_CPU_TYPE_MC88000: | |
3332 | return 0xffffe000; | |
3333 | case BFD_MACH_O_CPU_TYPE_POWERPC: | |
3334 | return 0xc0000000; | |
3335 | case BFD_MACH_O_CPU_TYPE_I386: | |
3336 | return 0xc0000000; | |
3337 | case BFD_MACH_O_CPU_TYPE_SPARC: | |
3338 | return 0xf0000000; | |
3339 | case BFD_MACH_O_CPU_TYPE_I860: | |
3340 | return 0; | |
3341 | case BFD_MACH_O_CPU_TYPE_HPPA: | |
e84d6fca | 3342 | return 0xc0000000 - 0x04000000; |
3af9a47b NC |
3343 | default: |
3344 | return 0; | |
3345 | } | |
3346 | } | |
3347 | ||
046b007d | 3348 | typedef struct bfd_mach_o_xlat_name |
15e1c58a | 3349 | { |
046b007d TG |
3350 | const char *name; |
3351 | unsigned long val; | |
3352 | } | |
3353 | bfd_mach_o_xlat_name; | |
3354 | ||
3355 | static void | |
3356 | bfd_mach_o_print_flags (const bfd_mach_o_xlat_name *table, | |
3357 | unsigned long val, | |
3358 | FILE *file) | |
3359 | { | |
3360 | int first = 1; | |
3361 | ||
3362 | for (; table->name; table++) | |
3363 | { | |
3364 | if (table->val & val) | |
3365 | { | |
3366 | if (!first) | |
3367 | fprintf (file, "+"); | |
3368 | fprintf (file, "%s", table->name); | |
3369 | val &= ~table->val; | |
3370 | first = 0; | |
3371 | } | |
3372 | } | |
3373 | if (val) | |
3374 | { | |
3375 | if (!first) | |
3376 | fprintf (file, "+"); | |
3377 | fprintf (file, "0x%lx", val); | |
3378 | return; | |
3379 | } | |
3380 | if (first) | |
3381 | fprintf (file, "-"); | |
3382 | } | |
3383 | ||
3384 | static const char * | |
edbdea0e TG |
3385 | bfd_mach_o_get_name_or_null (const bfd_mach_o_xlat_name *table, |
3386 | unsigned long val) | |
046b007d TG |
3387 | { |
3388 | for (; table->name; table++) | |
3389 | if (table->val == val) | |
3390 | return table->name; | |
edbdea0e TG |
3391 | return NULL; |
3392 | } | |
3393 | ||
3394 | static const char * | |
3395 | bfd_mach_o_get_name (const bfd_mach_o_xlat_name *table, unsigned long val) | |
3396 | { | |
3397 | const char *res = bfd_mach_o_get_name_or_null (table, val); | |
3398 | ||
3399 | if (res == NULL) | |
3400 | return "*UNKNOWN*"; | |
3401 | else | |
3402 | return res; | |
046b007d TG |
3403 | } |
3404 | ||
3405 | static bfd_mach_o_xlat_name bfd_mach_o_cpu_name[] = | |
3406 | { | |
afecc97c TG |
3407 | { "vax", BFD_MACH_O_CPU_TYPE_VAX }, |
3408 | { "mc680x0", BFD_MACH_O_CPU_TYPE_MC680x0 }, | |
3409 | { "i386", BFD_MACH_O_CPU_TYPE_I386 }, | |
3410 | { "mips", BFD_MACH_O_CPU_TYPE_MIPS }, | |
3411 | { "mc98000", BFD_MACH_O_CPU_TYPE_MC98000 }, | |
3412 | { "hppa", BFD_MACH_O_CPU_TYPE_HPPA }, | |
3413 | { "arm", BFD_MACH_O_CPU_TYPE_ARM }, | |
3414 | { "mc88000", BFD_MACH_O_CPU_TYPE_MC88000 }, | |
3415 | { "sparc", BFD_MACH_O_CPU_TYPE_SPARC }, | |
3416 | { "i860", BFD_MACH_O_CPU_TYPE_I860 }, | |
3417 | { "alpha", BFD_MACH_O_CPU_TYPE_ALPHA }, | |
3418 | { "powerpc", BFD_MACH_O_CPU_TYPE_POWERPC }, | |
3419 | { "powerpc_64", BFD_MACH_O_CPU_TYPE_POWERPC_64 }, | |
3420 | { "x86_64", BFD_MACH_O_CPU_TYPE_X86_64 }, | |
046b007d TG |
3421 | { NULL, 0} |
3422 | }; | |
3423 | ||
3424 | static bfd_mach_o_xlat_name bfd_mach_o_filetype_name[] = | |
3425 | { | |
afecc97c TG |
3426 | { "object", BFD_MACH_O_MH_OBJECT }, |
3427 | { "execute", BFD_MACH_O_MH_EXECUTE }, | |
3428 | { "fvmlib", BFD_MACH_O_MH_FVMLIB }, | |
3429 | { "core", BFD_MACH_O_MH_CORE }, | |
3430 | { "preload", BFD_MACH_O_MH_PRELOAD }, | |
3431 | { "dylib", BFD_MACH_O_MH_DYLIB }, | |
3432 | { "dylinker", BFD_MACH_O_MH_DYLINKER }, | |
3433 | { "bundle", BFD_MACH_O_MH_BUNDLE }, | |
3434 | { "dylib_stub", BFD_MACH_O_MH_DYLIB_STUB }, | |
3435 | { "dym", BFD_MACH_O_MH_DSYM }, | |
3436 | { "kext_bundle", BFD_MACH_O_MH_KEXT_BUNDLE }, | |
046b007d TG |
3437 | { NULL, 0} |
3438 | }; | |
3439 | ||
3440 | static bfd_mach_o_xlat_name bfd_mach_o_header_flags_name[] = | |
3441 | { | |
3442 | { "noundefs", BFD_MACH_O_MH_NOUNDEFS }, | |
3443 | { "incrlink", BFD_MACH_O_MH_INCRLINK }, | |
3444 | { "dyldlink", BFD_MACH_O_MH_DYLDLINK }, | |
3445 | { "bindatload", BFD_MACH_O_MH_BINDATLOAD }, | |
3446 | { "prebound", BFD_MACH_O_MH_PREBOUND }, | |
3447 | { "split_segs", BFD_MACH_O_MH_SPLIT_SEGS }, | |
3448 | { "lazy_init", BFD_MACH_O_MH_LAZY_INIT }, | |
3449 | { "twolevel", BFD_MACH_O_MH_TWOLEVEL }, | |
3450 | { "force_flat", BFD_MACH_O_MH_FORCE_FLAT }, | |
3451 | { "nomultidefs", BFD_MACH_O_MH_NOMULTIDEFS }, | |
3452 | { "nofixprebinding", BFD_MACH_O_MH_NOFIXPREBINDING }, | |
3453 | { "prebindable", BFD_MACH_O_MH_PREBINDABLE }, | |
3454 | { "allmodsbound", BFD_MACH_O_MH_ALLMODSBOUND }, | |
3455 | { "subsections_via_symbols", BFD_MACH_O_MH_SUBSECTIONS_VIA_SYMBOLS }, | |
3456 | { "canonical", BFD_MACH_O_MH_CANONICAL }, | |
3457 | { "weak_defines", BFD_MACH_O_MH_WEAK_DEFINES }, | |
3458 | { "binds_to_weak", BFD_MACH_O_MH_BINDS_TO_WEAK }, | |
3459 | { "allow_stack_execution", BFD_MACH_O_MH_ALLOW_STACK_EXECUTION }, | |
3460 | { "root_safe", BFD_MACH_O_MH_ROOT_SAFE }, | |
3461 | { "setuid_safe", BFD_MACH_O_MH_SETUID_SAFE }, | |
3462 | { "no_reexported_dylibs", BFD_MACH_O_MH_NO_REEXPORTED_DYLIBS }, | |
3463 | { "pie", BFD_MACH_O_MH_PIE }, | |
3464 | { NULL, 0} | |
3465 | }; | |
3466 | ||
3467 | static bfd_mach_o_xlat_name bfd_mach_o_section_type_name[] = | |
3468 | { | |
3469 | { "regular", BFD_MACH_O_S_REGULAR}, | |
3470 | { "zerofill", BFD_MACH_O_S_ZEROFILL}, | |
3471 | { "cstring_literals", BFD_MACH_O_S_CSTRING_LITERALS}, | |
3472 | { "4byte_literals", BFD_MACH_O_S_4BYTE_LITERALS}, | |
3473 | { "8byte_literals", BFD_MACH_O_S_8BYTE_LITERALS}, | |
3474 | { "literal_pointers", BFD_MACH_O_S_LITERAL_POINTERS}, | |
3475 | { "non_lazy_symbol_pointers", BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS}, | |
3476 | { "lazy_symbol_pointers", BFD_MACH_O_S_LAZY_SYMBOL_POINTERS}, | |
3477 | { "symbol_stubs", BFD_MACH_O_S_SYMBOL_STUBS}, | |
3478 | { "mod_init_func_pointers", BFD_MACH_O_S_MOD_INIT_FUNC_POINTERS}, | |
3479 | { "mod_fini_func_pointers", BFD_MACH_O_S_MOD_FINI_FUNC_POINTERS}, | |
3480 | { "coalesced", BFD_MACH_O_S_COALESCED}, | |
3481 | { "gb_zerofill", BFD_MACH_O_S_GB_ZEROFILL}, | |
3482 | { "interposing", BFD_MACH_O_S_INTERPOSING}, | |
3483 | { "16byte_literals", BFD_MACH_O_S_16BYTE_LITERALS}, | |
3484 | { "dtrace_dof", BFD_MACH_O_S_DTRACE_DOF}, | |
3485 | { "lazy_dylib_symbol_pointers", BFD_MACH_O_S_LAZY_DYLIB_SYMBOL_POINTERS}, | |
3486 | { NULL, 0} | |
3487 | }; | |
3488 | ||
3489 | static bfd_mach_o_xlat_name bfd_mach_o_section_attribute_name[] = | |
3490 | { | |
3491 | { "loc_reloc", BFD_MACH_O_S_ATTR_LOC_RELOC }, | |
3492 | { "ext_reloc", BFD_MACH_O_S_ATTR_EXT_RELOC }, | |
3493 | { "some_instructions", BFD_MACH_O_S_ATTR_SOME_INSTRUCTIONS }, | |
3494 | { "debug", BFD_MACH_O_S_ATTR_DEBUG }, | |
3495 | { "modifying_code", BFD_MACH_O_S_SELF_MODIFYING_CODE }, | |
3496 | { "live_support", BFD_MACH_O_S_ATTR_LIVE_SUPPORT }, | |
3497 | { "no_dead_strip", BFD_MACH_O_S_ATTR_NO_DEAD_STRIP }, | |
3498 | { "strip_static_syms", BFD_MACH_O_S_ATTR_STRIP_STATIC_SYMS }, | |
3499 | { "no_toc", BFD_MACH_O_S_ATTR_NO_TOC }, | |
3500 | { "pure_instructions", BFD_MACH_O_S_ATTR_PURE_INSTRUCTIONS }, | |
3501 | { NULL, 0} | |
3502 | }; | |
3503 | ||
3504 | static bfd_mach_o_xlat_name bfd_mach_o_load_command_name[] = | |
3505 | { | |
3506 | { "segment", BFD_MACH_O_LC_SEGMENT}, | |
3507 | { "symtab", BFD_MACH_O_LC_SYMTAB}, | |
3508 | { "symseg", BFD_MACH_O_LC_SYMSEG}, | |
3509 | { "thread", BFD_MACH_O_LC_THREAD}, | |
3510 | { "unixthread", BFD_MACH_O_LC_UNIXTHREAD}, | |
3511 | { "loadfvmlib", BFD_MACH_O_LC_LOADFVMLIB}, | |
3512 | { "idfvmlib", BFD_MACH_O_LC_IDFVMLIB}, | |
3513 | { "ident", BFD_MACH_O_LC_IDENT}, | |
3514 | { "fvmfile", BFD_MACH_O_LC_FVMFILE}, | |
3515 | { "prepage", BFD_MACH_O_LC_PREPAGE}, | |
3516 | { "dysymtab", BFD_MACH_O_LC_DYSYMTAB}, | |
3517 | { "load_dylib", BFD_MACH_O_LC_LOAD_DYLIB}, | |
3518 | { "id_dylib", BFD_MACH_O_LC_ID_DYLIB}, | |
3519 | { "load_dylinker", BFD_MACH_O_LC_LOAD_DYLINKER}, | |
3520 | { "id_dylinker", BFD_MACH_O_LC_ID_DYLINKER}, | |
3521 | { "prebound_dylib", BFD_MACH_O_LC_PREBOUND_DYLIB}, | |
3522 | { "routines", BFD_MACH_O_LC_ROUTINES}, | |
3523 | { "sub_framework", BFD_MACH_O_LC_SUB_FRAMEWORK}, | |
3524 | { "sub_umbrella", BFD_MACH_O_LC_SUB_UMBRELLA}, | |
3525 | { "sub_client", BFD_MACH_O_LC_SUB_CLIENT}, | |
3526 | { "sub_library", BFD_MACH_O_LC_SUB_LIBRARY}, | |
3527 | { "twolevel_hints", BFD_MACH_O_LC_TWOLEVEL_HINTS}, | |
3528 | { "prebind_cksum", BFD_MACH_O_LC_PREBIND_CKSUM}, | |
3529 | { "load_weak_dylib", BFD_MACH_O_LC_LOAD_WEAK_DYLIB}, | |
3530 | { "segment_64", BFD_MACH_O_LC_SEGMENT_64}, | |
3531 | { "routines_64", BFD_MACH_O_LC_ROUTINES_64}, | |
3532 | { "uuid", BFD_MACH_O_LC_UUID}, | |
3533 | { "rpath", BFD_MACH_O_LC_RPATH}, | |
3534 | { "code_signature", BFD_MACH_O_LC_CODE_SIGNATURE}, | |
3535 | { "segment_split_info", BFD_MACH_O_LC_SEGMENT_SPLIT_INFO}, | |
3536 | { "reexport_dylib", BFD_MACH_O_LC_REEXPORT_DYLIB}, | |
3537 | { "lazy_load_dylib", BFD_MACH_O_LC_LAZY_LOAD_DYLIB}, | |
3538 | { "encryption_info", BFD_MACH_O_LC_ENCRYPTION_INFO}, | |
ad86f1fb | 3539 | { "dyld_info", BFD_MACH_O_LC_DYLD_INFO}, |
edbdea0e TG |
3540 | { "load_upward_lib", BFD_MACH_O_LC_LOAD_UPWARD_DYLIB}, |
3541 | { "version_min_macosx", BFD_MACH_O_LC_VERSION_MIN_MACOSX}, | |
3542 | { "version_min_iphoneos", BFD_MACH_O_LC_VERSION_MIN_IPHONEOS}, | |
3543 | { "function_starts", BFD_MACH_O_LC_FUNCTION_STARTS}, | |
3544 | { "dyld_environment", BFD_MACH_O_LC_DYLD_ENVIRONMENT}, | |
046b007d TG |
3545 | { NULL, 0} |
3546 | }; | |
3547 | ||
53d58d96 TG |
3548 | /* Get the section type from NAME. Return -1 if NAME is unknown. */ |
3549 | ||
3550 | unsigned int | |
3551 | bfd_mach_o_get_section_type_from_name (const char *name) | |
3552 | { | |
3553 | bfd_mach_o_xlat_name *x; | |
3554 | ||
3555 | for (x = bfd_mach_o_section_type_name; x->name; x++) | |
3556 | if (strcmp (x->name, name) == 0) | |
3557 | return x->val; | |
3558 | return (unsigned int)-1; | |
3559 | } | |
3560 | ||
3561 | /* Get the section attribute from NAME. Return -1 if NAME is unknown. */ | |
3562 | ||
3563 | unsigned int | |
3564 | bfd_mach_o_get_section_attribute_from_name (const char *name) | |
3565 | { | |
3566 | bfd_mach_o_xlat_name *x; | |
3567 | ||
3568 | for (x = bfd_mach_o_section_attribute_name; x->name; x++) | |
3569 | if (strcmp (x->name, name) == 0) | |
3570 | return x->val; | |
3571 | return (unsigned int)-1; | |
3572 | } | |
3573 | ||
046b007d TG |
3574 | static void |
3575 | bfd_mach_o_print_private_header (bfd *abfd, FILE *file) | |
3576 | { | |
3577 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
3578 | bfd_mach_o_header *h = &mdata->header; | |
3579 | ||
afecc97c | 3580 | fputs (_("Mach-O header:\n"), file); |
046b007d TG |
3581 | fprintf (file, _(" magic : %08lx\n"), h->magic); |
3582 | fprintf (file, _(" cputype : %08lx (%s)\n"), h->cputype, | |
3583 | bfd_mach_o_get_name (bfd_mach_o_cpu_name, h->cputype)); | |
3584 | fprintf (file, _(" cpusubtype: %08lx\n"), h->cpusubtype); | |
3585 | fprintf (file, _(" filetype : %08lx (%s)\n"), | |
3586 | h->filetype, | |
3587 | bfd_mach_o_get_name (bfd_mach_o_filetype_name, h->filetype)); | |
b2b62060 | 3588 | fprintf (file, _(" ncmds : %08lx (%lu)\n"), h->ncmds, h->ncmds); |
046b007d TG |
3589 | fprintf (file, _(" sizeofcmds: %08lx\n"), h->sizeofcmds); |
3590 | fprintf (file, _(" flags : %08lx ("), h->flags); | |
3591 | bfd_mach_o_print_flags (bfd_mach_o_header_flags_name, h->flags, file); | |
afecc97c | 3592 | fputs (_(")\n"), file); |
b8674692 | 3593 | fprintf (file, _(" reserved : %08x\n"), h->reserved); |
046b007d TG |
3594 | } |
3595 | ||
3596 | static void | |
3597 | bfd_mach_o_print_section_map (bfd *abfd, FILE *file) | |
3598 | { | |
3599 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
f1bde64c | 3600 | unsigned int i; |
15e1c58a TG |
3601 | unsigned int sec_nbr = 0; |
3602 | ||
afecc97c TG |
3603 | fputs (_("Segments and Sections:\n"), file); |
3604 | fputs (_(" #: Segment name Section name Address\n"), file); | |
15e1c58a TG |
3605 | |
3606 | for (i = 0; i < mdata->header.ncmds; i++) | |
3607 | { | |
3608 | bfd_mach_o_segment_command *seg; | |
f1bde64c | 3609 | bfd_mach_o_section *sec; |
15e1c58a TG |
3610 | |
3611 | if (mdata->commands[i].type != BFD_MACH_O_LC_SEGMENT | |
3612 | && mdata->commands[i].type != BFD_MACH_O_LC_SEGMENT_64) | |
3613 | continue; | |
3614 | ||
3615 | seg = &mdata->commands[i].command.segment; | |
3616 | ||
3617 | fprintf (file, "[Segment %-16s ", seg->segname); | |
3618 | fprintf_vma (file, seg->vmaddr); | |
3619 | fprintf (file, "-"); | |
3620 | fprintf_vma (file, seg->vmaddr + seg->vmsize - 1); | |
3621 | fputc (' ', file); | |
3622 | fputc (seg->initprot & BFD_MACH_O_PROT_READ ? 'r' : '-', file); | |
3623 | fputc (seg->initprot & BFD_MACH_O_PROT_WRITE ? 'w' : '-', file); | |
3624 | fputc (seg->initprot & BFD_MACH_O_PROT_EXECUTE ? 'x' : '-', file); | |
3625 | fprintf (file, "]\n"); | |
f1bde64c TG |
3626 | |
3627 | for (sec = seg->sect_head; sec != NULL; sec = sec->next) | |
15e1c58a | 3628 | { |
15e1c58a TG |
3629 | fprintf (file, "%02u: %-16s %-16s ", ++sec_nbr, |
3630 | sec->segname, sec->sectname); | |
3631 | fprintf_vma (file, sec->addr); | |
3632 | fprintf (file, " "); | |
3633 | fprintf_vma (file, sec->size); | |
3634 | fprintf (file, " %08lx\n", sec->flags); | |
3635 | } | |
3636 | } | |
046b007d TG |
3637 | } |
3638 | ||
046b007d TG |
3639 | static void |
3640 | bfd_mach_o_print_section (bfd *abfd ATTRIBUTE_UNUSED, | |
3641 | bfd_mach_o_section *sec, FILE *file) | |
3642 | { | |
b32e07d7 TG |
3643 | fprintf (file, " Section: %-16s %-16s (bfdname: %s)\n", |
3644 | sec->sectname, sec->segname, sec->bfdsection->name); | |
046b007d TG |
3645 | fprintf (file, " addr: "); |
3646 | fprintf_vma (file, sec->addr); | |
3647 | fprintf (file, " size: "); | |
3648 | fprintf_vma (file, sec->size); | |
3649 | fprintf (file, " offset: "); | |
3650 | fprintf_vma (file, sec->offset); | |
3651 | fprintf (file, "\n"); | |
3652 | fprintf (file, " align: %ld", sec->align); | |
3653 | fprintf (file, " nreloc: %lu reloff: ", sec->nreloc); | |
3654 | fprintf_vma (file, sec->reloff); | |
3655 | fprintf (file, "\n"); | |
3656 | fprintf (file, " flags: %08lx (type: %s", sec->flags, | |
3657 | bfd_mach_o_get_name (bfd_mach_o_section_type_name, | |
3658 | sec->flags & BFD_MACH_O_SECTION_TYPE_MASK)); | |
3659 | fprintf (file, " attr: "); | |
3660 | bfd_mach_o_print_flags (bfd_mach_o_section_attribute_name, | |
3661 | sec->flags & BFD_MACH_O_SECTION_ATTRIBUTES_MASK, | |
3662 | file); | |
3663 | fprintf (file, ")\n"); | |
3664 | switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK) | |
3665 | { | |
3666 | case BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS: | |
3667 | case BFD_MACH_O_S_LAZY_SYMBOL_POINTERS: | |
3668 | case BFD_MACH_O_S_SYMBOL_STUBS: | |
3669 | fprintf (file, " first indirect sym: %lu", sec->reserved1); | |
3670 | fprintf (file, " (%u entries)", | |
3671 | bfd_mach_o_section_get_nbr_indirect (abfd, sec)); | |
3672 | break; | |
3673 | default: | |
3674 | fprintf (file, " reserved1: 0x%lx", sec->reserved1); | |
3675 | break; | |
3676 | } | |
3677 | switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK) | |
3678 | { | |
3679 | case BFD_MACH_O_S_SYMBOL_STUBS: | |
3680 | fprintf (file, " stub size: %lu", sec->reserved2); | |
3681 | break; | |
3682 | default: | |
3683 | fprintf (file, " reserved2: 0x%lx", sec->reserved2); | |
3684 | break; | |
3685 | } | |
3686 | fprintf (file, " reserved3: 0x%lx\n", sec->reserved3); | |
3687 | } | |
3688 | ||
3689 | static void | |
3690 | bfd_mach_o_print_segment (bfd *abfd ATTRIBUTE_UNUSED, | |
3691 | bfd_mach_o_load_command *cmd, FILE *file) | |
3692 | { | |
3693 | bfd_mach_o_segment_command *seg = &cmd->command.segment; | |
f1bde64c | 3694 | bfd_mach_o_section *sec; |
046b007d | 3695 | |
b32e07d7 | 3696 | fprintf (file, " name: %s\n", *seg->segname ? seg->segname : "*none*"); |
046b007d TG |
3697 | fprintf (file, " vmaddr: "); |
3698 | fprintf_vma (file, seg->vmaddr); | |
3699 | fprintf (file, " vmsize: "); | |
3700 | fprintf_vma (file, seg->vmsize); | |
3701 | fprintf (file, "\n"); | |
3702 | fprintf (file, " fileoff: "); | |
3703 | fprintf_vma (file, seg->fileoff); | |
3704 | fprintf (file, " filesize: "); | |
3705 | fprintf_vma (file, (bfd_vma)seg->filesize); | |
3706 | fprintf (file, " endoff: "); | |
3707 | fprintf_vma (file, (bfd_vma)(seg->fileoff + seg->filesize)); | |
3708 | fprintf (file, "\n"); | |
3709 | fprintf (file, " nsects: %lu ", seg->nsects); | |
3710 | fprintf (file, " flags: %lx\n", seg->flags); | |
f1bde64c TG |
3711 | for (sec = seg->sect_head; sec != NULL; sec = sec->next) |
3712 | bfd_mach_o_print_section (abfd, sec, file); | |
046b007d TG |
3713 | } |
3714 | ||
3715 | static void | |
3716 | bfd_mach_o_print_dysymtab (bfd *abfd ATTRIBUTE_UNUSED, | |
3717 | bfd_mach_o_load_command *cmd, FILE *file) | |
3718 | { | |
3719 | bfd_mach_o_dysymtab_command *dysymtab = &cmd->command.dysymtab; | |
3720 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
3721 | unsigned int i; | |
3722 | ||
b32e07d7 | 3723 | fprintf (file, " local symbols: idx: %10lu num: %-8lu", |
046b007d | 3724 | dysymtab->ilocalsym, dysymtab->nlocalsym); |
b32e07d7 TG |
3725 | fprintf (file, " (nxtidx: %lu)\n", |
3726 | dysymtab->ilocalsym + dysymtab->nlocalsym); | |
3727 | fprintf (file, " external symbols: idx: %10lu num: %-8lu", | |
046b007d | 3728 | dysymtab->iextdefsym, dysymtab->nextdefsym); |
b32e07d7 TG |
3729 | fprintf (file, " (nxtidx: %lu)\n", |
3730 | dysymtab->iextdefsym + dysymtab->nextdefsym); | |
3731 | fprintf (file, " undefined symbols: idx: %10lu num: %-8lu", | |
046b007d | 3732 | dysymtab->iundefsym, dysymtab->nundefsym); |
b32e07d7 TG |
3733 | fprintf (file, " (nxtidx: %lu)\n", |
3734 | dysymtab->iundefsym + dysymtab->nundefsym); | |
046b007d TG |
3735 | fprintf (file, " table of content: off: 0x%08lx num: %-8lu", |
3736 | dysymtab->tocoff, dysymtab->ntoc); | |
3737 | fprintf (file, " (endoff: 0x%08lx)\n", | |
3738 | dysymtab->tocoff | |
3739 | + dysymtab->ntoc * BFD_MACH_O_TABLE_OF_CONTENT_SIZE); | |
3740 | fprintf (file, " module table: off: 0x%08lx num: %-8lu", | |
3741 | dysymtab->modtaboff, dysymtab->nmodtab); | |
3742 | fprintf (file, " (endoff: 0x%08lx)\n", | |
3743 | dysymtab->modtaboff + dysymtab->nmodtab | |
3744 | * (mach_o_wide_p (&mdata->header) ? | |
3745 | BFD_MACH_O_DYLIB_MODULE_64_SIZE : BFD_MACH_O_DYLIB_MODULE_SIZE)); | |
3746 | fprintf (file, " external reference table: off: 0x%08lx num: %-8lu", | |
3747 | dysymtab->extrefsymoff, dysymtab->nextrefsyms); | |
3748 | fprintf (file, " (endoff: 0x%08lx)\n", | |
3749 | dysymtab->extrefsymoff | |
3750 | + dysymtab->nextrefsyms * BFD_MACH_O_REFERENCE_SIZE); | |
3751 | fprintf (file, " indirect symbol table: off: 0x%08lx num: %-8lu", | |
3752 | dysymtab->indirectsymoff, dysymtab->nindirectsyms); | |
3753 | fprintf (file, " (endoff: 0x%08lx)\n", | |
3754 | dysymtab->indirectsymoff | |
3755 | + dysymtab->nindirectsyms * BFD_MACH_O_INDIRECT_SYMBOL_SIZE); | |
3756 | fprintf (file, " external relocation table: off: 0x%08lx num: %-8lu", | |
3757 | dysymtab->extreloff, dysymtab->nextrel); | |
3758 | fprintf (file, " (endoff: 0x%08lx)\n", | |
3759 | dysymtab->extreloff + dysymtab->nextrel * BFD_MACH_O_RELENT_SIZE); | |
3760 | fprintf (file, " local relocation table: off: 0x%08lx num: %-8lu", | |
3761 | dysymtab->locreloff, dysymtab->nlocrel); | |
3762 | fprintf (file, " (endoff: 0x%08lx)\n", | |
3763 | dysymtab->locreloff + dysymtab->nlocrel * BFD_MACH_O_RELENT_SIZE); | |
3764 | ||
3765 | if (dysymtab->ntoc > 0 | |
3766 | || dysymtab->nindirectsyms > 0 | |
3767 | || dysymtab->nextrefsyms > 0) | |
3768 | { | |
3769 | /* Try to read the symbols to display the toc or indirect symbols. */ | |
ab273af8 | 3770 | bfd_mach_o_read_symtab_symbols (abfd); |
046b007d TG |
3771 | } |
3772 | else if (dysymtab->nmodtab > 0) | |
3773 | { | |
3774 | /* Try to read the strtab to display modules name. */ | |
ab273af8 | 3775 | bfd_mach_o_read_symtab_strtab (abfd); |
046b007d TG |
3776 | } |
3777 | ||
3778 | for (i = 0; i < dysymtab->nmodtab; i++) | |
3779 | { | |
3780 | bfd_mach_o_dylib_module *module = &dysymtab->dylib_module[i]; | |
3781 | fprintf (file, " module %u:\n", i); | |
3782 | fprintf (file, " name: %lu", module->module_name_idx); | |
3783 | if (mdata->symtab && mdata->symtab->strtab) | |
3784 | fprintf (file, ": %s", | |
3785 | mdata->symtab->strtab + module->module_name_idx); | |
3786 | fprintf (file, "\n"); | |
3787 | fprintf (file, " extdefsym: idx: %8lu num: %lu\n", | |
3788 | module->iextdefsym, module->nextdefsym); | |
3789 | fprintf (file, " refsym: idx: %8lu num: %lu\n", | |
3790 | module->irefsym, module->nrefsym); | |
3791 | fprintf (file, " localsym: idx: %8lu num: %lu\n", | |
3792 | module->ilocalsym, module->nlocalsym); | |
3793 | fprintf (file, " extrel: idx: %8lu num: %lu\n", | |
3794 | module->iextrel, module->nextrel); | |
3795 | fprintf (file, " init: idx: %8u num: %u\n", | |
3796 | module->iinit, module->ninit); | |
3797 | fprintf (file, " term: idx: %8u num: %u\n", | |
3798 | module->iterm, module->nterm); | |
3799 | fprintf (file, " objc_module_info: addr: "); | |
3800 | fprintf_vma (file, module->objc_module_info_addr); | |
3801 | fprintf (file, " size: %lu\n", module->objc_module_info_size); | |
3802 | } | |
3803 | ||
3804 | if (dysymtab->ntoc > 0) | |
3805 | { | |
3806 | bfd_mach_o_symtab_command *symtab = mdata->symtab; | |
3807 | ||
3808 | fprintf (file, " table of content: (symbol/module)\n"); | |
3809 | for (i = 0; i < dysymtab->ntoc; i++) | |
3810 | { | |
3811 | bfd_mach_o_dylib_table_of_content *toc = &dysymtab->dylib_toc[i]; | |
3812 | ||
3813 | fprintf (file, " %4u: ", i); | |
3814 | if (symtab && symtab->symbols && toc->symbol_index < symtab->nsyms) | |
3815 | { | |
3816 | const char *name = symtab->symbols[toc->symbol_index].symbol.name; | |
3817 | fprintf (file, "%s (%lu)", name ? name : "*invalid*", | |
3818 | toc->symbol_index); | |
3819 | } | |
3820 | else | |
3821 | fprintf (file, "%lu", toc->symbol_index); | |
3822 | ||
3823 | fprintf (file, " / "); | |
3824 | if (symtab && symtab->strtab | |
3825 | && toc->module_index < dysymtab->nmodtab) | |
3826 | { | |
3827 | bfd_mach_o_dylib_module *mod; | |
3828 | mod = &dysymtab->dylib_module[toc->module_index]; | |
3829 | fprintf (file, "%s (%lu)", | |
3830 | symtab->strtab + mod->module_name_idx, | |
3831 | toc->module_index); | |
3832 | } | |
3833 | else | |
3834 | fprintf (file, "%lu", toc->module_index); | |
3835 | ||
3836 | fprintf (file, "\n"); | |
3837 | } | |
3838 | } | |
3839 | ||
3840 | if (dysymtab->nindirectsyms != 0) | |
3841 | { | |
3842 | fprintf (file, " indirect symbols:\n"); | |
3843 | ||
3844 | for (i = 0; i < mdata->nsects; i++) | |
3845 | { | |
3846 | bfd_mach_o_section *sec = mdata->sections[i]; | |
3847 | unsigned int j, first, last; | |
3848 | bfd_mach_o_symtab_command *symtab = mdata->symtab; | |
afecc97c TG |
3849 | bfd_vma addr; |
3850 | bfd_vma entry_size; | |
046b007d TG |
3851 | |
3852 | switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK) | |
3853 | { | |
3854 | case BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS: | |
3855 | case BFD_MACH_O_S_LAZY_SYMBOL_POINTERS: | |
3856 | case BFD_MACH_O_S_SYMBOL_STUBS: | |
3857 | first = sec->reserved1; | |
3858 | last = first + bfd_mach_o_section_get_nbr_indirect (abfd, sec); | |
afecc97c TG |
3859 | addr = sec->addr; |
3860 | entry_size = bfd_mach_o_section_get_entry_size (abfd, sec); | |
046b007d TG |
3861 | fprintf (file, " for section %s.%s:\n", |
3862 | sec->segname, sec->sectname); | |
3863 | for (j = first; j < last; j++) | |
3864 | { | |
3865 | unsigned int isym = dysymtab->indirect_syms[j]; | |
3866 | ||
afecc97c TG |
3867 | fprintf (file, " "); |
3868 | fprintf_vma (file, addr); | |
3869 | fprintf (file, " %5u: 0x%08x", j, isym); | |
046b007d TG |
3870 | if (isym & BFD_MACH_O_INDIRECT_SYMBOL_LOCAL) |
3871 | fprintf (file, " LOCAL"); | |
3872 | if (isym & BFD_MACH_O_INDIRECT_SYMBOL_ABS) | |
3873 | fprintf (file, " ABSOLUTE"); | |
3874 | if (symtab && symtab->symbols | |
3875 | && isym < symtab->nsyms | |
3876 | && symtab->symbols[isym].symbol.name) | |
3877 | fprintf (file, " %s", symtab->symbols[isym].symbol.name); | |
3878 | fprintf (file, "\n"); | |
afecc97c | 3879 | addr += entry_size; |
046b007d TG |
3880 | } |
3881 | break; | |
3882 | default: | |
3883 | break; | |
3884 | } | |
3885 | } | |
3886 | } | |
3887 | if (dysymtab->nextrefsyms > 0) | |
3888 | { | |
3889 | bfd_mach_o_symtab_command *symtab = mdata->symtab; | |
3890 | ||
3891 | fprintf (file, " external reference table: (symbol flags)\n"); | |
3892 | for (i = 0; i < dysymtab->nextrefsyms; i++) | |
3893 | { | |
3894 | bfd_mach_o_dylib_reference *ref = &dysymtab->ext_refs[i]; | |
3895 | ||
3896 | fprintf (file, " %4u: %5lu 0x%02lx", i, ref->isym, ref->flags); | |
3897 | if (symtab && symtab->symbols | |
3898 | && ref->isym < symtab->nsyms | |
3899 | && symtab->symbols[ref->isym].symbol.name) | |
3900 | fprintf (file, " %s", symtab->symbols[ref->isym].symbol.name); | |
3901 | fprintf (file, "\n"); | |
3902 | } | |
3903 | } | |
3904 | ||
3905 | } | |
3906 | ||
ad86f1fb TG |
3907 | static void |
3908 | bfd_mach_o_print_dyld_info (bfd *abfd ATTRIBUTE_UNUSED, | |
3909 | bfd_mach_o_load_command *cmd, FILE *file) | |
3910 | { | |
3911 | bfd_mach_o_dyld_info_command *info = &cmd->command.dyld_info; | |
3912 | ||
3913 | fprintf (file, " rebase: off: 0x%08x size: %-8u\n", | |
3914 | info->rebase_off, info->rebase_size); | |
3915 | fprintf (file, " bind: off: 0x%08x size: %-8u\n", | |
3916 | info->bind_off, info->bind_size); | |
3917 | fprintf (file, " weak bind: off: 0x%08x size: %-8u\n", | |
3918 | info->weak_bind_off, info->weak_bind_size); | |
3919 | fprintf (file, " lazy bind: off: 0x%08x size: %-8u\n", | |
3920 | info->lazy_bind_off, info->lazy_bind_size); | |
3921 | fprintf (file, " export: off: 0x%08x size: %-8u\n", | |
3922 | info->export_off, info->export_size); | |
3923 | } | |
3924 | ||
046b007d | 3925 | bfd_boolean |
91d6fa6a | 3926 | bfd_mach_o_bfd_print_private_bfd_data (bfd *abfd, void * ptr) |
046b007d TG |
3927 | { |
3928 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
3929 | FILE *file = (FILE *) ptr; | |
3930 | unsigned int i; | |
3931 | ||
3932 | bfd_mach_o_print_private_header (abfd, file); | |
3933 | fputc ('\n', file); | |
15e1c58a TG |
3934 | |
3935 | for (i = 0; i < mdata->header.ncmds; i++) | |
3936 | { | |
3937 | bfd_mach_o_load_command *cmd = &mdata->commands[i]; | |
edbdea0e | 3938 | const char *cmd_name; |
046b007d | 3939 | |
edbdea0e TG |
3940 | cmd_name = bfd_mach_o_get_name_or_null |
3941 | (bfd_mach_o_load_command_name, cmd->type); | |
3942 | fprintf (file, "Load command "); | |
3943 | if (cmd_name == NULL) | |
3944 | fprintf (file, "0x%02x:", cmd->type); | |
3945 | else | |
3946 | fprintf (file, "%s:", cmd_name); | |
3947 | ||
15e1c58a TG |
3948 | switch (cmd->type) |
3949 | { | |
3950 | case BFD_MACH_O_LC_SEGMENT: | |
3951 | case BFD_MACH_O_LC_SEGMENT_64: | |
046b007d | 3952 | bfd_mach_o_print_segment (abfd, cmd, file); |
15e1c58a TG |
3953 | break; |
3954 | case BFD_MACH_O_LC_UUID: | |
3955 | { | |
3956 | bfd_mach_o_uuid_command *uuid = &cmd->command.uuid; | |
91d6fa6a | 3957 | unsigned int j; |
15e1c58a | 3958 | |
91d6fa6a NC |
3959 | for (j = 0; j < sizeof (uuid->uuid); j ++) |
3960 | fprintf (file, " %02x", uuid->uuid[j]); | |
15e1c58a TG |
3961 | fputc ('\n', file); |
3962 | } | |
3963 | break; | |
3964 | case BFD_MACH_O_LC_LOAD_DYLIB: | |
046b007d TG |
3965 | case BFD_MACH_O_LC_LOAD_WEAK_DYLIB: |
3966 | case BFD_MACH_O_LC_REEXPORT_DYLIB: | |
3967 | case BFD_MACH_O_LC_ID_DYLIB: | |
15e1c58a TG |
3968 | { |
3969 | bfd_mach_o_dylib_command *dylib = &cmd->command.dylib; | |
b32e07d7 | 3970 | fprintf (file, " %s\n", dylib->name_str); |
15e1c58a TG |
3971 | fprintf (file, " time stamp: 0x%08lx\n", |
3972 | dylib->timestamp); | |
3973 | fprintf (file, " current version: 0x%08lx\n", | |
3974 | dylib->current_version); | |
3975 | fprintf (file, " comptibility version: 0x%08lx\n", | |
3976 | dylib->compatibility_version); | |
15e1c58a TG |
3977 | break; |
3978 | } | |
3979 | case BFD_MACH_O_LC_LOAD_DYLINKER: | |
b32e07d7 TG |
3980 | case BFD_MACH_O_LC_ID_DYLINKER: |
3981 | fprintf (file, " %s\n", cmd->command.dylinker.name_str); | |
3982 | break; | |
15e1c58a TG |
3983 | case BFD_MACH_O_LC_SYMTAB: |
3984 | { | |
3985 | bfd_mach_o_symtab_command *symtab = &cmd->command.symtab; | |
15e1c58a | 3986 | fprintf (file, |
046b007d TG |
3987 | "\n" |
3988 | " symoff: 0x%08x nsyms: %8u (endoff: 0x%08x)\n", | |
3989 | symtab->symoff, symtab->nsyms, | |
3990 | symtab->symoff + symtab->nsyms | |
3991 | * (mach_o_wide_p (&mdata->header) | |
3992 | ? BFD_MACH_O_NLIST_64_SIZE : BFD_MACH_O_NLIST_SIZE)); | |
15e1c58a | 3993 | fprintf (file, |
046b007d TG |
3994 | " stroff: 0x%08x strsize: %8u (endoff: 0x%08x)\n", |
3995 | symtab->stroff, symtab->strsize, | |
3996 | symtab->stroff + symtab->strsize); | |
15e1c58a TG |
3997 | break; |
3998 | } | |
046b007d TG |
3999 | case BFD_MACH_O_LC_DYSYMTAB: |
4000 | fprintf (file, "\n"); | |
4001 | bfd_mach_o_print_dysymtab (abfd, cmd, file); | |
4002 | break; | |
4003 | case BFD_MACH_O_LC_CODE_SIGNATURE: | |
4004 | case BFD_MACH_O_LC_SEGMENT_SPLIT_INFO: | |
edbdea0e | 4005 | case BFD_MACH_O_LC_FUNCTION_STARTS: |
046b007d TG |
4006 | { |
4007 | bfd_mach_o_linkedit_command *linkedit = &cmd->command.linkedit; | |
4008 | fprintf | |
4009 | (file, "\n" | |
4010 | " dataoff: 0x%08lx datasize: 0x%08lx (endoff: 0x%08lx)\n", | |
4011 | linkedit->dataoff, linkedit->datasize, | |
4012 | linkedit->dataoff + linkedit->datasize); | |
4013 | break; | |
4014 | } | |
4015 | case BFD_MACH_O_LC_SUB_FRAMEWORK: | |
4016 | case BFD_MACH_O_LC_SUB_UMBRELLA: | |
4017 | case BFD_MACH_O_LC_SUB_LIBRARY: | |
4018 | case BFD_MACH_O_LC_SUB_CLIENT: | |
0c9b2b4c | 4019 | case BFD_MACH_O_LC_RPATH: |
046b007d TG |
4020 | { |
4021 | bfd_mach_o_str_command *str = &cmd->command.str; | |
4022 | fprintf (file, " %s\n", str->str); | |
4023 | break; | |
4024 | } | |
b32e07d7 TG |
4025 | case BFD_MACH_O_LC_THREAD: |
4026 | case BFD_MACH_O_LC_UNIXTHREAD: | |
4027 | { | |
4028 | bfd_mach_o_thread_command *thread = &cmd->command.thread; | |
4029 | unsigned int j; | |
4030 | bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd); | |
4031 | ||
4032 | fprintf (file, " nflavours: %lu\n", thread->nflavours); | |
4033 | for (j = 0; j < thread->nflavours; j++) | |
4034 | { | |
4035 | bfd_mach_o_thread_flavour *flavour = &thread->flavours[j]; | |
4036 | ||
4037 | fprintf (file, " %2u: flavour: 0x%08lx offset: 0x%08lx" | |
4038 | " size: 0x%08lx\n", | |
4039 | j, flavour->flavour, flavour->offset, | |
4040 | flavour->size); | |
4041 | if (bed->_bfd_mach_o_print_thread) | |
4042 | { | |
4043 | char *buf = bfd_malloc (flavour->size); | |
4044 | ||
4045 | if (buf | |
4046 | && bfd_seek (abfd, flavour->offset, SEEK_SET) == 0 | |
4047 | && (bfd_bread (buf, flavour->size, abfd) | |
4048 | == flavour->size)) | |
4049 | (*bed->_bfd_mach_o_print_thread)(abfd, flavour, | |
4050 | file, buf); | |
4051 | free (buf); | |
4052 | } | |
4053 | } | |
4054 | break; | |
4055 | } | |
ad86f1fb TG |
4056 | case BFD_MACH_O_LC_DYLD_INFO: |
4057 | fprintf (file, "\n"); | |
4058 | bfd_mach_o_print_dyld_info (abfd, cmd, file); | |
4059 | break; | |
edbdea0e TG |
4060 | case BFD_MACH_O_LC_VERSION_MIN_MACOSX: |
4061 | case BFD_MACH_O_LC_VERSION_MIN_IPHONEOS: | |
4062 | { | |
4063 | bfd_mach_o_version_min_command *ver = &cmd->command.version_min; | |
4064 | ||
4065 | fprintf (file, " %u.%u.%u\n", ver->rel, ver->maj, ver->min); | |
4066 | } | |
4067 | break; | |
15e1c58a | 4068 | default: |
046b007d | 4069 | fprintf (file, "\n"); |
edbdea0e TG |
4070 | fprintf (file, " offset: 0x%08lx\n", (unsigned long)cmd->offset); |
4071 | fprintf (file, " size: 0x%08lx\n", (unsigned long)cmd->len); | |
15e1c58a TG |
4072 | break; |
4073 | } | |
046b007d | 4074 | fputc ('\n', file); |
15e1c58a TG |
4075 | } |
4076 | ||
046b007d TG |
4077 | bfd_mach_o_print_section_map (abfd, file); |
4078 | ||
15e1c58a TG |
4079 | return TRUE; |
4080 | } | |
4081 | ||
3af9a47b | 4082 | int |
116c20d2 NC |
4083 | bfd_mach_o_core_fetch_environment (bfd *abfd, |
4084 | unsigned char **rbuf, | |
4085 | unsigned int *rlen) | |
3af9a47b | 4086 | { |
046b007d | 4087 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
3af9a47b NC |
4088 | unsigned long stackaddr = bfd_mach_o_stack_addr (mdata->header.cputype); |
4089 | unsigned int i = 0; | |
4090 | ||
4091 | for (i = 0; i < mdata->header.ncmds; i++) | |
4092 | { | |
4093 | bfd_mach_o_load_command *cur = &mdata->commands[i]; | |
4094 | bfd_mach_o_segment_command *seg = NULL; | |
4095 | ||
4096 | if (cur->type != BFD_MACH_O_LC_SEGMENT) | |
4097 | continue; | |
4098 | ||
4099 | seg = &cur->command.segment; | |
4100 | ||
4101 | if ((seg->vmaddr + seg->vmsize) == stackaddr) | |
4102 | { | |
4103 | unsigned long start = seg->fileoff; | |
4104 | unsigned long end = seg->fileoff + seg->filesize; | |
4105 | unsigned char *buf = bfd_malloc (1024); | |
4106 | unsigned long size = 1024; | |
4107 | ||
4108 | for (;;) | |
4109 | { | |
4110 | bfd_size_type nread = 0; | |
4111 | unsigned long offset; | |
4112 | int found_nonnull = 0; | |
4113 | ||
4114 | if (size > (end - start)) | |
4115 | size = (end - start); | |
4116 | ||
515ef31d NC |
4117 | buf = bfd_realloc_or_free (buf, size); |
4118 | if (buf == NULL) | |
4119 | return -1; | |
c2f09c75 TG |
4120 | |
4121 | if (bfd_seek (abfd, end - size, SEEK_SET) != 0) | |
4122 | { | |
4123 | free (buf); | |
4124 | return -1; | |
4125 | } | |
4126 | ||
3af9a47b | 4127 | nread = bfd_bread (buf, size, abfd); |
a95a4550 | 4128 | |
3af9a47b | 4129 | if (nread != size) |
515ef31d NC |
4130 | { |
4131 | free (buf); | |
4132 | return -1; | |
4133 | } | |
a95a4550 | 4134 | |
3af9a47b NC |
4135 | for (offset = 4; offset <= size; offset += 4) |
4136 | { | |
e84d6fca | 4137 | unsigned long val; |
3af9a47b | 4138 | |
e84d6fca | 4139 | val = *((unsigned long *) (buf + size - offset)); |
3af9a47b NC |
4140 | if (! found_nonnull) |
4141 | { | |
4142 | if (val != 0) | |
4143 | found_nonnull = 1; | |
4144 | } | |
4145 | else if (val == 0x0) | |
4146 | { | |
e84d6fca AM |
4147 | unsigned long bottom; |
4148 | unsigned long top; | |
3af9a47b | 4149 | |
e84d6fca AM |
4150 | bottom = seg->fileoff + seg->filesize - offset; |
4151 | top = seg->fileoff + seg->filesize - 4; | |
3af9a47b NC |
4152 | *rbuf = bfd_malloc (top - bottom); |
4153 | *rlen = top - bottom; | |
4154 | ||
4155 | memcpy (*rbuf, buf + size - *rlen, *rlen); | |
515ef31d | 4156 | free (buf); |
3af9a47b NC |
4157 | return 0; |
4158 | } | |
4159 | } | |
4160 | ||
4161 | if (size == (end - start)) | |
4162 | break; | |
4163 | ||
4164 | size *= 2; | |
4165 | } | |
515ef31d NC |
4166 | |
4167 | free (buf); | |
3af9a47b NC |
4168 | } |
4169 | } | |
4170 | ||
4171 | return -1; | |
4172 | } | |
4173 | ||
4174 | char * | |
116c20d2 | 4175 | bfd_mach_o_core_file_failing_command (bfd *abfd) |
3af9a47b NC |
4176 | { |
4177 | unsigned char *buf = NULL; | |
4178 | unsigned int len = 0; | |
4179 | int ret = -1; | |
4180 | ||
4181 | ret = bfd_mach_o_core_fetch_environment (abfd, &buf, &len); | |
4182 | if (ret < 0) | |
4183 | return NULL; | |
4184 | ||
f075ee0c | 4185 | return (char *) buf; |
3af9a47b NC |
4186 | } |
4187 | ||
4188 | int | |
116c20d2 | 4189 | bfd_mach_o_core_file_failing_signal (bfd *abfd ATTRIBUTE_UNUSED) |
3af9a47b NC |
4190 | { |
4191 | return 0; | |
4192 | } | |
4193 | ||
92bc0e80 TG |
4194 | #define bfd_mach_o_bfd_reloc_type_lookup _bfd_norelocs_bfd_reloc_type_lookup |
4195 | #define bfd_mach_o_bfd_reloc_name_lookup _bfd_norelocs_bfd_reloc_name_lookup | |
4196 | ||
4197 | #define bfd_mach_o_swap_reloc_in NULL | |
4198 | #define bfd_mach_o_swap_reloc_out NULL | |
b32e07d7 | 4199 | #define bfd_mach_o_print_thread NULL |
92bc0e80 | 4200 | |
116c20d2 NC |
4201 | #define TARGET_NAME mach_o_be_vec |
4202 | #define TARGET_STRING "mach-o-be" | |
42fa0891 | 4203 | #define TARGET_ARCHITECTURE bfd_arch_unknown |
116c20d2 NC |
4204 | #define TARGET_BIG_ENDIAN 1 |
4205 | #define TARGET_ARCHIVE 0 | |
3af9a47b NC |
4206 | #include "mach-o-target.c" |
4207 | ||
4208 | #undef TARGET_NAME | |
4209 | #undef TARGET_STRING | |
42fa0891 | 4210 | #undef TARGET_ARCHITECTURE |
3af9a47b NC |
4211 | #undef TARGET_BIG_ENDIAN |
4212 | #undef TARGET_ARCHIVE | |
4213 | ||
116c20d2 NC |
4214 | #define TARGET_NAME mach_o_le_vec |
4215 | #define TARGET_STRING "mach-o-le" | |
42fa0891 | 4216 | #define TARGET_ARCHITECTURE bfd_arch_unknown |
116c20d2 NC |
4217 | #define TARGET_BIG_ENDIAN 0 |
4218 | #define TARGET_ARCHIVE 0 | |
3af9a47b NC |
4219 | |
4220 | #include "mach-o-target.c" | |
4221 | ||
4222 | #undef TARGET_NAME | |
4223 | #undef TARGET_STRING | |
42fa0891 | 4224 | #undef TARGET_ARCHITECTURE |
3af9a47b NC |
4225 | #undef TARGET_BIG_ENDIAN |
4226 | #undef TARGET_ARCHIVE | |
4227 | ||
8f95b6e4 TG |
4228 | /* Not yet handled: creating an archive. */ |
4229 | #define bfd_mach_o_mkarchive _bfd_noarchive_mkarchive | |
4230 | ||
4231 | /* Not used. */ | |
4232 | #define bfd_mach_o_read_ar_hdr _bfd_noarchive_read_ar_hdr | |
4233 | #define bfd_mach_o_write_ar_hdr _bfd_noarchive_write_ar_hdr | |
4234 | #define bfd_mach_o_slurp_armap _bfd_noarchive_slurp_armap | |
4235 | #define bfd_mach_o_slurp_extended_name_table _bfd_noarchive_slurp_extended_name_table | |
4236 | #define bfd_mach_o_construct_extended_name_table _bfd_noarchive_construct_extended_name_table | |
4237 | #define bfd_mach_o_truncate_arname _bfd_noarchive_truncate_arname | |
4238 | #define bfd_mach_o_write_armap _bfd_noarchive_write_armap | |
4239 | #define bfd_mach_o_get_elt_at_index _bfd_noarchive_get_elt_at_index | |
4240 | #define bfd_mach_o_generic_stat_arch_elt _bfd_noarchive_generic_stat_arch_elt | |
4241 | #define bfd_mach_o_update_armap_timestamp _bfd_noarchive_update_armap_timestamp | |
4242 | ||
116c20d2 NC |
4243 | #define TARGET_NAME mach_o_fat_vec |
4244 | #define TARGET_STRING "mach-o-fat" | |
42fa0891 | 4245 | #define TARGET_ARCHITECTURE bfd_arch_unknown |
116c20d2 NC |
4246 | #define TARGET_BIG_ENDIAN 1 |
4247 | #define TARGET_ARCHIVE 1 | |
3af9a47b NC |
4248 | |
4249 | #include "mach-o-target.c" | |
4250 | ||
4251 | #undef TARGET_NAME | |
4252 | #undef TARGET_STRING | |
42fa0891 | 4253 | #undef TARGET_ARCHITECTURE |
3af9a47b NC |
4254 | #undef TARGET_BIG_ENDIAN |
4255 | #undef TARGET_ARCHIVE |