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Commit | Line | Data |
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3af9a47b | 1 | /* Mach-O support for BFD. |
154a1ee5 | 2 | Copyright 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 |
3af9a47b NC |
3 | Free Software Foundation, Inc. |
4 | ||
5 | This file is part of BFD, the Binary File Descriptor library. | |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
cd123cb7 | 9 | the Free Software Foundation; either version 3 of the License, or |
3af9a47b NC |
10 | (at your option) any later version. |
11 | ||
12 | This program is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
a95a4550 | 18 | along with this program; if not, write to the Free Software |
cd123cb7 NC |
19 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
20 | MA 02110-1301, USA. */ | |
3af9a47b | 21 | |
3db64b00 | 22 | #include "sysdep.h" |
3af9a47b NC |
23 | #include "mach-o.h" |
24 | #include "bfd.h" | |
3af9a47b NC |
25 | #include "libbfd.h" |
26 | #include "libiberty.h" | |
15e1c58a | 27 | #include "aout/stab_gnu.h" |
3af9a47b NC |
28 | #include <ctype.h> |
29 | ||
154a1ee5 TG |
30 | #define bfd_mach_o_object_p bfd_mach_o_gen_object_p |
31 | #define bfd_mach_o_core_p bfd_mach_o_gen_core_p | |
32 | #define bfd_mach_o_mkobject bfd_false | |
116c20d2 | 33 | |
92bc0e80 TG |
34 | #define FILE_ALIGN(off, algn) \ |
35 | (((off) + ((file_ptr) 1 << (algn)) - 1) & ((file_ptr) -1 << (algn))) | |
36 | ||
c2f09c75 | 37 | unsigned int |
1e8a024a TG |
38 | bfd_mach_o_version (bfd *abfd) |
39 | { | |
40 | bfd_mach_o_data_struct *mdata = NULL; | |
41 | ||
42 | BFD_ASSERT (bfd_mach_o_valid (abfd)); | |
43 | mdata = abfd->tdata.mach_o_data; | |
44 | ||
45 | return mdata->header.version; | |
46 | } | |
47 | ||
b34976b6 | 48 | bfd_boolean |
116c20d2 | 49 | bfd_mach_o_valid (bfd *abfd) |
3af9a47b NC |
50 | { |
51 | if (abfd == NULL || abfd->xvec == NULL) | |
154a1ee5 | 52 | return FALSE; |
3af9a47b | 53 | |
154a1ee5 TG |
54 | if (abfd->xvec->flavour != bfd_target_mach_o_flavour) |
55 | return FALSE; | |
3af9a47b NC |
56 | |
57 | if (abfd->tdata.mach_o_data == NULL) | |
154a1ee5 TG |
58 | return FALSE; |
59 | return TRUE; | |
60 | } | |
61 | ||
c2f09c75 TG |
62 | static INLINE bfd_boolean |
63 | mach_o_wide_p (bfd_mach_o_header *header) | |
64 | { | |
65 | switch (header->version) | |
66 | { | |
67 | case 1: | |
68 | return FALSE; | |
69 | case 2: | |
70 | return TRUE; | |
71 | default: | |
72 | BFD_FAIL (); | |
73 | return FALSE; | |
74 | } | |
75 | } | |
76 | ||
77 | static INLINE bfd_boolean | |
78 | bfd_mach_o_wide_p (bfd *abfd) | |
79 | { | |
80 | return mach_o_wide_p (&abfd->tdata.mach_o_data->header); | |
81 | } | |
82 | ||
154a1ee5 TG |
83 | /* Tables to translate well known Mach-O segment/section names to bfd |
84 | names. Use of canonical names (such as .text or .debug_frame) is required | |
85 | by gdb. */ | |
86 | ||
87 | struct mach_o_section_name_xlat | |
88 | { | |
89 | const char *bfd_name; | |
90 | const char *mach_o_name; | |
91 | }; | |
92 | ||
93 | static const struct mach_o_section_name_xlat dwarf_section_names_xlat[] = | |
94 | { | |
95 | { ".debug_frame", "__debug_frame" }, | |
96 | { ".debug_info", "__debug_info" }, | |
97 | { ".debug_abbrev", "__debug_abbrev" }, | |
98 | { ".debug_aranges", "__debug_aranges" }, | |
99 | { ".debug_macinfo", "__debug_macinfo" }, | |
100 | { ".debug_line", "__debug_line" }, | |
101 | { ".debug_loc", "__debug_loc" }, | |
102 | { ".debug_pubnames", "__debug_pubnames" }, | |
103 | { ".debug_pubtypes", "__debug_pubtypes" }, | |
104 | { ".debug_str", "__debug_str" }, | |
105 | { ".debug_ranges", "__debug_ranges" }, | |
106 | { NULL, NULL} | |
107 | }; | |
108 | ||
109 | static const struct mach_o_section_name_xlat text_section_names_xlat[] = | |
110 | { | |
111 | { ".text", "__text" }, | |
112 | { ".cstring", "__cstring" }, | |
113 | { ".eh_frame", "__eh_frame" }, | |
114 | { NULL, NULL} | |
115 | }; | |
116 | ||
117 | static const struct mach_o_section_name_xlat data_section_names_xlat[] = | |
118 | { | |
119 | { ".data", "__data" }, | |
120 | { ".bss", "__bss" }, | |
121 | { NULL, NULL} | |
122 | }; | |
123 | ||
124 | struct mach_o_segment_name_xlat | |
125 | { | |
126 | const char *segname; | |
127 | const struct mach_o_section_name_xlat *sections; | |
128 | }; | |
129 | ||
c2f09c75 | 130 | static const struct mach_o_segment_name_xlat segsec_names_xlat[] = |
154a1ee5 TG |
131 | { |
132 | { "__DWARF", dwarf_section_names_xlat }, | |
133 | { "__TEXT", text_section_names_xlat }, | |
134 | { "__DATA", data_section_names_xlat }, | |
135 | { NULL, NULL } | |
136 | }; | |
137 | ||
138 | ||
139 | /* Mach-O to bfd names. */ | |
140 | ||
141 | static char * | |
142 | bfd_mach_o_convert_section_name_to_bfd (bfd *abfd, bfd_mach_o_section *section) | |
143 | { | |
144 | const struct mach_o_segment_name_xlat *seg; | |
145 | char *res; | |
146 | unsigned int len; | |
c2f09c75 | 147 | const char *pfx = ""; |
154a1ee5 TG |
148 | |
149 | for (seg = segsec_names_xlat; seg->segname; seg++) | |
150 | { | |
151 | if (strcmp (seg->segname, section->segname) == 0) | |
152 | { | |
153 | const struct mach_o_section_name_xlat *sec; | |
154 | ||
155 | for (sec = seg->sections; sec->mach_o_name; sec++) | |
156 | { | |
157 | if (strcmp (sec->mach_o_name, section->sectname) == 0) | |
158 | { | |
159 | len = strlen (sec->bfd_name); | |
160 | res = bfd_alloc (abfd, len + 1); | |
c2f09c75 | 161 | |
154a1ee5 TG |
162 | if (res == NULL) |
163 | return NULL; | |
164 | strcpy (res, sec->bfd_name); | |
165 | return res; | |
166 | } | |
167 | } | |
168 | } | |
169 | } | |
170 | ||
c2f09c75 | 171 | len = strlen (section->segname) + 1 |
154a1ee5 TG |
172 | + strlen (section->sectname) + 1; |
173 | ||
c2f09c75 TG |
174 | /* Put "LC_SEGMENT." prefix if the segment name is weird (ie doesn't start |
175 | with an underscore. */ | |
176 | if (section->segname[0] != '_') | |
177 | { | |
178 | static const char seg_pfx[] = "LC_SEGMENT."; | |
179 | ||
180 | pfx = seg_pfx; | |
181 | len += sizeof (seg_pfx) - 1; | |
182 | } | |
183 | ||
154a1ee5 TG |
184 | res = bfd_alloc (abfd, len); |
185 | if (res == NULL) | |
186 | return NULL; | |
c2f09c75 | 187 | snprintf (res, len, "%s%s.%s", pfx, section->segname, section->sectname); |
154a1ee5 TG |
188 | return res; |
189 | } | |
190 | ||
c2f09c75 | 191 | /* Convert a bfd section name to a Mach-O segment + section name. */ |
154a1ee5 TG |
192 | |
193 | static void | |
194 | bfd_mach_o_convert_section_name_to_mach_o (bfd *abfd ATTRIBUTE_UNUSED, | |
195 | asection *sect, | |
196 | bfd_mach_o_section *section) | |
197 | { | |
198 | const struct mach_o_segment_name_xlat *seg; | |
199 | const char *name = bfd_get_section_name (abfd, sect); | |
200 | const char *dot; | |
201 | unsigned int len; | |
202 | unsigned int seglen; | |
203 | unsigned int seclen; | |
204 | ||
c2f09c75 TG |
205 | /* List of well known names. They all start with a dot. */ |
206 | if (name[0] == '.') | |
207 | for (seg = segsec_names_xlat; seg->segname; seg++) | |
208 | { | |
209 | const struct mach_o_section_name_xlat *sec; | |
210 | ||
211 | for (sec = seg->sections; sec->mach_o_name; sec++) | |
212 | { | |
213 | if (strcmp (sec->bfd_name, name) == 0) | |
214 | { | |
215 | strcpy (section->segname, seg->segname); | |
216 | strcpy (section->sectname, sec->mach_o_name); | |
217 | return; | |
218 | } | |
219 | } | |
220 | } | |
154a1ee5 TG |
221 | |
222 | /* Strip LC_SEGMENT. prefix. */ | |
223 | if (strncmp (name, "LC_SEGMENT.", 11) == 0) | |
224 | name += 11; | |
225 | ||
226 | /* Find a dot. */ | |
227 | dot = strchr (name, '.'); | |
228 | len = strlen (name); | |
229 | ||
230 | /* Try to split name into segment and section names. */ | |
231 | if (dot && dot != name) | |
232 | { | |
233 | seglen = dot - name; | |
234 | seclen = len - (dot + 1 - name); | |
235 | ||
236 | if (seglen < 16 && seclen < 16) | |
237 | { | |
238 | memcpy (section->segname, name, seglen); | |
239 | section->segname[seglen] = 0; | |
240 | memcpy (section->sectname, dot + 1, seclen); | |
241 | section->sectname[seclen] = 0; | |
242 | return; | |
243 | } | |
244 | } | |
245 | ||
246 | if (len > 16) | |
247 | len = 16; | |
248 | memcpy (section->segname, name, len); | |
249 | section->segname[len] = 0; | |
250 | memcpy (section->sectname, name, len); | |
251 | section->sectname[len] = 0; | |
3af9a47b NC |
252 | } |
253 | ||
254 | /* Copy any private info we understand from the input symbol | |
255 | to the output symbol. */ | |
256 | ||
154a1ee5 | 257 | bfd_boolean |
116c20d2 NC |
258 | bfd_mach_o_bfd_copy_private_symbol_data (bfd *ibfd ATTRIBUTE_UNUSED, |
259 | asymbol *isymbol ATTRIBUTE_UNUSED, | |
260 | bfd *obfd ATTRIBUTE_UNUSED, | |
261 | asymbol *osymbol ATTRIBUTE_UNUSED) | |
3af9a47b | 262 | { |
b34976b6 | 263 | return TRUE; |
3af9a47b NC |
264 | } |
265 | ||
266 | /* Copy any private info we understand from the input section | |
267 | to the output section. */ | |
268 | ||
154a1ee5 | 269 | bfd_boolean |
116c20d2 NC |
270 | bfd_mach_o_bfd_copy_private_section_data (bfd *ibfd ATTRIBUTE_UNUSED, |
271 | asection *isection ATTRIBUTE_UNUSED, | |
272 | bfd *obfd ATTRIBUTE_UNUSED, | |
273 | asection *osection ATTRIBUTE_UNUSED) | |
3af9a47b | 274 | { |
b34976b6 | 275 | return TRUE; |
3af9a47b NC |
276 | } |
277 | ||
278 | /* Copy any private info we understand from the input bfd | |
279 | to the output bfd. */ | |
280 | ||
154a1ee5 | 281 | bfd_boolean |
116c20d2 | 282 | bfd_mach_o_bfd_copy_private_bfd_data (bfd *ibfd, bfd *obfd) |
3af9a47b | 283 | { |
154a1ee5 TG |
284 | if (bfd_get_flavour (ibfd) != bfd_target_mach_o_flavour |
285 | || bfd_get_flavour (obfd) != bfd_target_mach_o_flavour) | |
286 | return TRUE; | |
287 | ||
3af9a47b NC |
288 | BFD_ASSERT (bfd_mach_o_valid (ibfd)); |
289 | BFD_ASSERT (bfd_mach_o_valid (obfd)); | |
290 | ||
154a1ee5 TG |
291 | /* FIXME: copy commands. */ |
292 | ||
b34976b6 | 293 | return TRUE; |
3af9a47b NC |
294 | } |
295 | ||
154a1ee5 TG |
296 | /* Count the total number of symbols. Traverse all sections. */ |
297 | ||
3af9a47b | 298 | static long |
116c20d2 | 299 | bfd_mach_o_count_symbols (bfd *abfd) |
3af9a47b NC |
300 | { |
301 | bfd_mach_o_data_struct *mdata = NULL; | |
302 | long nsyms = 0; | |
303 | unsigned long i; | |
a95a4550 | 304 | |
3af9a47b NC |
305 | BFD_ASSERT (bfd_mach_o_valid (abfd)); |
306 | mdata = abfd->tdata.mach_o_data; | |
307 | ||
308 | for (i = 0; i < mdata->header.ncmds; i++) | |
309 | if (mdata->commands[i].type == BFD_MACH_O_LC_SYMTAB) | |
310 | { | |
311 | bfd_mach_o_symtab_command *sym = &mdata->commands[i].command.symtab; | |
312 | nsyms += sym->nsyms; | |
313 | } | |
314 | ||
315 | return nsyms; | |
316 | } | |
317 | ||
154a1ee5 | 318 | long |
116c20d2 | 319 | bfd_mach_o_get_symtab_upper_bound (bfd *abfd) |
3af9a47b NC |
320 | { |
321 | long nsyms = bfd_mach_o_count_symbols (abfd); | |
322 | ||
323 | if (nsyms < 0) | |
324 | return nsyms; | |
325 | ||
326 | return ((nsyms + 1) * sizeof (asymbol *)); | |
327 | } | |
328 | ||
154a1ee5 | 329 | long |
116c20d2 | 330 | bfd_mach_o_canonicalize_symtab (bfd *abfd, asymbol **alocation) |
3af9a47b NC |
331 | { |
332 | bfd_mach_o_data_struct *mdata = abfd->tdata.mach_o_data; | |
333 | long nsyms = bfd_mach_o_count_symbols (abfd); | |
334 | asymbol **csym = alocation; | |
335 | unsigned long i, j; | |
336 | ||
337 | if (nsyms < 0) | |
338 | return nsyms; | |
339 | ||
340 | for (i = 0; i < mdata->header.ncmds; i++) | |
341 | { | |
342 | if (mdata->commands[i].type == BFD_MACH_O_LC_SYMTAB) | |
343 | { | |
344 | bfd_mach_o_symtab_command *sym = &mdata->commands[i].command.symtab; | |
345 | ||
346 | if (bfd_mach_o_scan_read_symtab_symbols (abfd, &mdata->commands[i].command.symtab) != 0) | |
347 | { | |
6cee3f79 | 348 | fprintf (stderr, "bfd_mach_o_canonicalize_symtab: unable to load symbols for section %lu\n", i); |
3af9a47b NC |
349 | return 0; |
350 | } | |
351 | ||
352 | BFD_ASSERT (sym->symbols != NULL); | |
353 | ||
354 | for (j = 0; j < sym->nsyms; j++) | |
355 | { | |
356 | BFD_ASSERT (csym < (alocation + nsyms)); | |
92bc0e80 | 357 | *csym++ = &sym->symbols[j].symbol; |
3af9a47b NC |
358 | } |
359 | } | |
360 | } | |
361 | ||
362 | *csym++ = NULL; | |
a95a4550 | 363 | |
3af9a47b NC |
364 | return nsyms; |
365 | } | |
366 | ||
154a1ee5 | 367 | void |
116c20d2 NC |
368 | bfd_mach_o_get_symbol_info (bfd *abfd ATTRIBUTE_UNUSED, |
369 | asymbol *symbol, | |
370 | symbol_info *ret) | |
3af9a47b NC |
371 | { |
372 | bfd_symbol_info (symbol, ret); | |
373 | } | |
374 | ||
154a1ee5 | 375 | void |
116c20d2 NC |
376 | bfd_mach_o_print_symbol (bfd *abfd, |
377 | PTR afile, | |
378 | asymbol *symbol, | |
379 | bfd_print_symbol_type how) | |
3af9a47b NC |
380 | { |
381 | FILE *file = (FILE *) afile; | |
15e1c58a | 382 | const char *name; |
92bc0e80 | 383 | bfd_mach_o_asymbol *asym = (bfd_mach_o_asymbol *)symbol; |
3af9a47b NC |
384 | |
385 | switch (how) | |
386 | { | |
387 | case bfd_print_symbol_name: | |
388 | fprintf (file, "%s", symbol->name); | |
389 | break; | |
390 | default: | |
391 | bfd_print_symbol_vandf (abfd, (PTR) file, symbol); | |
92bc0e80 TG |
392 | if (asym->n_type & BFD_MACH_O_N_STAB) |
393 | name = bfd_get_stab_name (asym->n_type); | |
15e1c58a | 394 | else |
92bc0e80 | 395 | switch (asym->n_type & BFD_MACH_O_N_TYPE) |
15e1c58a TG |
396 | { |
397 | case BFD_MACH_O_N_UNDF: | |
398 | name = "UND"; | |
399 | break; | |
400 | case BFD_MACH_O_N_ABS: | |
401 | name = "ABS"; | |
402 | break; | |
403 | case BFD_MACH_O_N_INDR: | |
404 | name = "INDR"; | |
405 | break; | |
406 | case BFD_MACH_O_N_PBUD: | |
407 | name = "PBUD"; | |
408 | break; | |
409 | case BFD_MACH_O_N_SECT: | |
410 | name = "SECT"; | |
411 | break; | |
412 | default: | |
413 | name = "???"; | |
414 | break; | |
415 | } | |
416 | if (name == NULL) | |
417 | name = ""; | |
92bc0e80 TG |
418 | fprintf (file, " %02x %-6s %02x %04x", |
419 | asym->n_type, name, asym->n_sect, asym->n_desc); | |
420 | if ((asym->n_type & BFD_MACH_O_N_STAB) == 0 | |
421 | && (asym->n_type & BFD_MACH_O_N_TYPE) == BFD_MACH_O_N_SECT) | |
15e1c58a TG |
422 | fprintf (file, " %-5s", symbol->section->name); |
423 | fprintf (file, " %s", symbol->name); | |
3af9a47b NC |
424 | } |
425 | } | |
426 | ||
427 | static void | |
116c20d2 NC |
428 | bfd_mach_o_convert_architecture (bfd_mach_o_cpu_type mtype, |
429 | bfd_mach_o_cpu_subtype msubtype ATTRIBUTE_UNUSED, | |
430 | enum bfd_architecture *type, | |
431 | unsigned long *subtype) | |
3af9a47b NC |
432 | { |
433 | *subtype = bfd_arch_unknown; | |
434 | ||
435 | switch (mtype) | |
436 | { | |
437 | case BFD_MACH_O_CPU_TYPE_VAX: *type = bfd_arch_vax; break; | |
438 | case BFD_MACH_O_CPU_TYPE_MC680x0: *type = bfd_arch_m68k; break; | |
1e8a024a TG |
439 | case BFD_MACH_O_CPU_TYPE_I386: |
440 | *type = bfd_arch_i386; | |
441 | *subtype = bfd_mach_i386_i386; | |
442 | break; | |
443 | case BFD_MACH_O_CPU_TYPE_X86_64: | |
444 | *type = bfd_arch_i386; | |
445 | *subtype = bfd_mach_x86_64; | |
446 | break; | |
3af9a47b NC |
447 | case BFD_MACH_O_CPU_TYPE_MIPS: *type = bfd_arch_mips; break; |
448 | case BFD_MACH_O_CPU_TYPE_MC98000: *type = bfd_arch_m98k; break; | |
449 | case BFD_MACH_O_CPU_TYPE_HPPA: *type = bfd_arch_hppa; break; | |
450 | case BFD_MACH_O_CPU_TYPE_ARM: *type = bfd_arch_arm; break; | |
451 | case BFD_MACH_O_CPU_TYPE_MC88000: *type = bfd_arch_m88k; break; | |
1e8a024a TG |
452 | case BFD_MACH_O_CPU_TYPE_SPARC: |
453 | *type = bfd_arch_sparc; | |
454 | *subtype = bfd_mach_sparc; | |
455 | break; | |
3af9a47b NC |
456 | case BFD_MACH_O_CPU_TYPE_I860: *type = bfd_arch_i860; break; |
457 | case BFD_MACH_O_CPU_TYPE_ALPHA: *type = bfd_arch_alpha; break; | |
1e8a024a TG |
458 | case BFD_MACH_O_CPU_TYPE_POWERPC: |
459 | *type = bfd_arch_powerpc; | |
c2f09c75 | 460 | *subtype = bfd_mach_ppc; |
1e8a024a TG |
461 | break; |
462 | case BFD_MACH_O_CPU_TYPE_POWERPC_64: | |
463 | *type = bfd_arch_powerpc; | |
c2f09c75 | 464 | *subtype = bfd_mach_ppc64; |
1e8a024a | 465 | break; |
3af9a47b | 466 | default: |
1e8a024a TG |
467 | *type = bfd_arch_unknown; |
468 | break; | |
3af9a47b NC |
469 | } |
470 | } | |
a95a4550 | 471 | |
154a1ee5 | 472 | static bfd_boolean |
116c20d2 NC |
473 | bfd_mach_o_write_header (bfd *abfd, bfd_mach_o_header *header) |
474 | { | |
1e8a024a TG |
475 | unsigned char buf[32]; |
476 | unsigned int size; | |
477 | ||
c2f09c75 | 478 | size = mach_o_wide_p (header) ? |
154a1ee5 | 479 | BFD_MACH_O_HEADER_64_SIZE : BFD_MACH_O_HEADER_SIZE; |
116c20d2 NC |
480 | |
481 | bfd_h_put_32 (abfd, header->magic, buf + 0); | |
482 | bfd_h_put_32 (abfd, header->cputype, buf + 4); | |
483 | bfd_h_put_32 (abfd, header->cpusubtype, buf + 8); | |
484 | bfd_h_put_32 (abfd, header->filetype, buf + 12); | |
485 | bfd_h_put_32 (abfd, header->ncmds, buf + 16); | |
486 | bfd_h_put_32 (abfd, header->sizeofcmds, buf + 20); | |
487 | bfd_h_put_32 (abfd, header->flags, buf + 24); | |
488 | ||
c2f09c75 | 489 | if (mach_o_wide_p (header)) |
1e8a024a TG |
490 | bfd_h_put_32 (abfd, header->reserved, buf + 28); |
491 | ||
c2f09c75 TG |
492 | if (bfd_seek (abfd, 0, SEEK_SET) != 0 |
493 | || bfd_bwrite ((PTR) buf, size, abfd) != size) | |
154a1ee5 | 494 | return FALSE; |
116c20d2 | 495 | |
154a1ee5 | 496 | return TRUE; |
116c20d2 NC |
497 | } |
498 | ||
499 | static int | |
1e8a024a | 500 | bfd_mach_o_scan_write_thread (bfd *abfd, bfd_mach_o_load_command *command) |
116c20d2 NC |
501 | { |
502 | bfd_mach_o_thread_command *cmd = &command->command.thread; | |
503 | unsigned int i; | |
504 | unsigned char buf[8]; | |
92bc0e80 | 505 | unsigned int offset; |
116c20d2 NC |
506 | unsigned int nflavours; |
507 | ||
508 | BFD_ASSERT ((command->type == BFD_MACH_O_LC_THREAD) | |
509 | || (command->type == BFD_MACH_O_LC_UNIXTHREAD)); | |
510 | ||
511 | offset = 8; | |
512 | nflavours = 0; | |
513 | for (i = 0; i < cmd->nflavours; i++) | |
514 | { | |
515 | BFD_ASSERT ((cmd->flavours[i].size % 4) == 0); | |
516 | BFD_ASSERT (cmd->flavours[i].offset == (command->offset + offset + 8)); | |
517 | ||
518 | bfd_h_put_32 (abfd, cmd->flavours[i].flavour, buf); | |
519 | bfd_h_put_32 (abfd, (cmd->flavours[i].size / 4), buf + 4); | |
520 | ||
c2f09c75 TG |
521 | if (bfd_seek (abfd, command->offset + offset, SEEK_SET) != 0 |
522 | || bfd_bwrite ((PTR) buf, 8, abfd) != 8) | |
116c20d2 NC |
523 | return -1; |
524 | ||
525 | offset += cmd->flavours[i].size + 8; | |
526 | } | |
527 | ||
528 | return 0; | |
529 | } | |
530 | ||
92bc0e80 TG |
531 | long |
532 | bfd_mach_o_get_reloc_upper_bound (bfd *abfd ATTRIBUTE_UNUSED, | |
533 | asection *asect) | |
534 | { | |
535 | return (asect->reloc_count + 1) * sizeof (arelent *); | |
536 | } | |
537 | ||
538 | long | |
539 | bfd_mach_o_canonicalize_reloc (bfd *abfd, asection *asect, | |
540 | arelent **rels, asymbol **syms) | |
541 | { | |
542 | bfd_mach_o_data_struct *mdata = abfd->tdata.mach_o_data; | |
543 | bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd); | |
544 | unsigned long i; | |
545 | arelent *res; | |
546 | char *native_relocs; | |
547 | bfd_size_type native_size; | |
548 | ||
549 | if (asect->reloc_count == 0) | |
550 | return 0; | |
551 | ||
552 | /* No need to go further if we don't know how to read relocs. */ | |
553 | if (bed->_bfd_mach_o_swap_reloc_in == NULL) | |
554 | return 0; | |
555 | ||
556 | /* Allocate and read relocs. */ | |
557 | native_size = asect->reloc_count * BFD_MACH_O_RELENT_SIZE; | |
558 | native_relocs = bfd_malloc (native_size); | |
559 | if (native_relocs == NULL) | |
560 | return -1; | |
561 | ||
562 | if (bfd_seek (abfd, asect->rel_filepos, SEEK_SET) != 0 | |
563 | || bfd_bread (native_relocs, native_size, abfd) != native_size) | |
564 | { | |
565 | free (native_relocs); | |
566 | return -1; | |
567 | } | |
568 | ||
569 | res = bfd_malloc (asect->reloc_count * sizeof (arelent)); | |
570 | if (res == NULL) | |
571 | { | |
572 | free (native_relocs); | |
573 | return -1; | |
574 | } | |
575 | ||
576 | for (i = 0; i < asect->reloc_count; i++) | |
577 | { | |
578 | char *buf = native_relocs + BFD_MACH_O_RELENT_SIZE * i; | |
579 | bfd_mach_o_reloc_info reloc; | |
580 | bfd_vma addr; | |
581 | bfd_vma symnum; | |
582 | asymbol **sym; | |
583 | ||
584 | addr = bfd_get_32 (abfd, buf + 0); | |
585 | symnum = bfd_get_32 (abfd, buf + 4); | |
586 | ||
587 | if (addr & BFD_MACH_O_SR_SCATTERED) | |
588 | { | |
589 | unsigned int j; | |
590 | ||
591 | /* Scattered relocation. | |
592 | Extract section and offset from r_value. */ | |
593 | res[i].sym_ptr_ptr = NULL; | |
594 | res[i].addend = 0; | |
595 | for (j = 0; j < mdata->nsects; j++) | |
596 | { | |
597 | bfd_mach_o_section *sect = mdata->sections[j]; | |
598 | if (symnum >= sect->addr && symnum < sect->addr + sect->size) | |
599 | { | |
600 | res[i].sym_ptr_ptr = sect->bfdsection->symbol_ptr_ptr; | |
601 | res[i].addend = symnum - sect->addr; | |
602 | break; | |
603 | } | |
604 | } | |
605 | res[i].address = BFD_MACH_O_GET_SR_ADDRESS (addr); | |
606 | reloc.r_type = BFD_MACH_O_GET_SR_TYPE (addr); | |
607 | reloc.r_length = BFD_MACH_O_GET_SR_LENGTH (addr); | |
608 | reloc.r_pcrel = addr & BFD_MACH_O_SR_PCREL; | |
609 | reloc.r_scattered = 1; | |
610 | } | |
611 | else | |
612 | { | |
613 | unsigned int num = BFD_MACH_O_GET_R_SYMBOLNUM (symnum); | |
614 | res[i].addend = 0; | |
615 | res[i].address = addr; | |
616 | if (symnum & BFD_MACH_O_R_EXTERN) | |
617 | sym = syms + num; | |
618 | else | |
619 | { | |
620 | BFD_ASSERT (num != 0); | |
621 | BFD_ASSERT (num <= mdata->nsects); | |
622 | sym = mdata->sections[num - 1]->bfdsection->symbol_ptr_ptr; | |
623 | } | |
624 | res[i].sym_ptr_ptr = sym; | |
625 | reloc.r_type = BFD_MACH_O_GET_R_TYPE (symnum); | |
626 | reloc.r_length = BFD_MACH_O_GET_R_LENGTH (symnum); | |
627 | reloc.r_pcrel = (symnum & BFD_MACH_O_R_PCREL) ? 1 : 0; | |
628 | reloc.r_scattered = 0; | |
629 | } | |
630 | ||
631 | if (!(*bed->_bfd_mach_o_swap_reloc_in)(&res[i], &reloc)) | |
632 | { | |
633 | free (res); | |
634 | free (native_relocs); | |
635 | return -1; | |
636 | } | |
637 | rels[i] = &res[i]; | |
638 | } | |
639 | asect->relocation = res; | |
640 | free (native_relocs); | |
641 | return i; | |
642 | } | |
643 | ||
644 | static bfd_boolean | |
645 | bfd_mach_o_scan_write_relocs (bfd *abfd, bfd_mach_o_section *section) | |
646 | { | |
647 | bfd_mach_o_data_struct *mdata = bfd_get_mach_o_data (abfd); | |
648 | unsigned int i; | |
649 | arelent **entries; | |
650 | asection *sec; | |
651 | bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd); | |
652 | ||
653 | sec = section->bfdsection; | |
654 | if (sec->reloc_count == 0) | |
655 | return TRUE; | |
656 | ||
657 | if (bed->_bfd_mach_o_swap_reloc_out == NULL) | |
658 | return TRUE; | |
659 | ||
660 | /* Allocate relocation room. */ | |
661 | mdata->filelen = FILE_ALIGN(mdata->filelen, 2); | |
662 | section->nreloc = sec->reloc_count; | |
663 | sec->rel_filepos = mdata->filelen; | |
664 | section->reloff = sec->rel_filepos; | |
665 | mdata->filelen += sec->reloc_count * BFD_MACH_O_RELENT_SIZE; | |
666 | ||
667 | if (bfd_seek (abfd, section->reloff, SEEK_SET) != 0) | |
668 | return FALSE; | |
669 | ||
670 | /* Convert and write. */ | |
671 | entries = section->bfdsection->orelocation; | |
672 | for (i = 0; i < section->nreloc; i++) | |
673 | { | |
674 | arelent *rel = entries[i]; | |
675 | char buf[8]; | |
676 | bfd_mach_o_reloc_info info, *pinfo = &info; | |
677 | ||
678 | /* Convert relocation to an intermediate representation. */ | |
679 | if (!(*bed->_bfd_mach_o_swap_reloc_out) (rel, pinfo)) | |
680 | return FALSE; | |
681 | ||
682 | /* Lower the relocation info. */ | |
683 | if (pinfo->r_scattered) | |
684 | { | |
685 | unsigned long v; | |
686 | ||
687 | v = BFD_MACH_O_SR_SCATTERED | |
688 | | (pinfo->r_pcrel ? BFD_MACH_O_SR_PCREL : 0) | |
689 | | BFD_MACH_O_SET_SR_LENGTH(pinfo->r_length) | |
690 | | BFD_MACH_O_SET_SR_TYPE(pinfo->r_type) | |
691 | | BFD_MACH_O_SET_SR_ADDRESS(pinfo->r_address); | |
692 | bfd_put_32 (abfd, v, buf); | |
693 | bfd_put_32 (abfd, pinfo->r_value, buf + 4); | |
694 | } | |
695 | else | |
696 | { | |
697 | unsigned long v; | |
698 | ||
699 | bfd_put_32 (abfd, pinfo->r_address, buf); | |
700 | v = BFD_MACH_O_SET_R_SYMBOLNUM (pinfo->r_value) | |
701 | | (pinfo->r_pcrel ? BFD_MACH_O_R_PCREL : 0) | |
702 | | BFD_MACH_O_SET_R_LENGTH (pinfo->r_length) | |
703 | | (pinfo->r_extern ? BFD_MACH_O_R_EXTERN : 0) | |
704 | | BFD_MACH_O_SET_R_TYPE (pinfo->r_type); | |
705 | bfd_put_32 (abfd, v, buf + 4); | |
706 | } | |
707 | ||
708 | if (bfd_bwrite ((PTR) buf, BFD_MACH_O_RELENT_SIZE, abfd) | |
709 | != BFD_MACH_O_RELENT_SIZE) | |
710 | return FALSE; | |
711 | } | |
712 | return TRUE; | |
713 | } | |
714 | ||
116c20d2 | 715 | static int |
92bc0e80 | 716 | bfd_mach_o_scan_write_section_32 (bfd *abfd, bfd_mach_o_section *section) |
116c20d2 | 717 | { |
154a1ee5 | 718 | unsigned char buf[BFD_MACH_O_SECTION_SIZE]; |
116c20d2 NC |
719 | |
720 | memcpy (buf, section->sectname, 16); | |
721 | memcpy (buf + 16, section->segname, 16); | |
722 | bfd_h_put_32 (abfd, section->addr, buf + 32); | |
723 | bfd_h_put_32 (abfd, section->size, buf + 36); | |
724 | bfd_h_put_32 (abfd, section->offset, buf + 40); | |
725 | bfd_h_put_32 (abfd, section->align, buf + 44); | |
726 | bfd_h_put_32 (abfd, section->reloff, buf + 48); | |
727 | bfd_h_put_32 (abfd, section->nreloc, buf + 52); | |
728 | bfd_h_put_32 (abfd, section->flags, buf + 56); | |
1e8a024a TG |
729 | bfd_h_put_32 (abfd, section->reserved1, buf + 60); |
730 | bfd_h_put_32 (abfd, section->reserved2, buf + 64); | |
116c20d2 | 731 | |
92bc0e80 TG |
732 | if (bfd_bwrite ((PTR) buf, BFD_MACH_O_SECTION_SIZE, abfd) |
733 | != BFD_MACH_O_SECTION_SIZE) | |
116c20d2 NC |
734 | return -1; |
735 | ||
736 | return 0; | |
737 | } | |
738 | ||
739 | static int | |
92bc0e80 | 740 | bfd_mach_o_scan_write_section_64 (bfd *abfd, bfd_mach_o_section *section) |
116c20d2 | 741 | { |
154a1ee5 | 742 | unsigned char buf[BFD_MACH_O_SECTION_64_SIZE]; |
116c20d2 | 743 | |
1e8a024a TG |
744 | memcpy (buf, section->sectname, 16); |
745 | memcpy (buf + 16, section->segname, 16); | |
746 | bfd_h_put_64 (abfd, section->addr, buf + 32); | |
747 | bfd_h_put_64 (abfd, section->size, buf + 40); | |
748 | bfd_h_put_32 (abfd, section->offset, buf + 48); | |
749 | bfd_h_put_32 (abfd, section->align, buf + 52); | |
750 | bfd_h_put_32 (abfd, section->reloff, buf + 56); | |
751 | bfd_h_put_32 (abfd, section->nreloc, buf + 60); | |
752 | bfd_h_put_32 (abfd, section->flags, buf + 64); | |
753 | bfd_h_put_32 (abfd, section->reserved1, buf + 68); | |
754 | bfd_h_put_32 (abfd, section->reserved2, buf + 72); | |
755 | bfd_h_put_32 (abfd, section->reserved3, buf + 76); | |
116c20d2 | 756 | |
92bc0e80 TG |
757 | if (bfd_bwrite ((PTR) buf, BFD_MACH_O_SECTION_64_SIZE, abfd) |
758 | != BFD_MACH_O_SECTION_64_SIZE) | |
116c20d2 NC |
759 | return -1; |
760 | ||
1e8a024a TG |
761 | return 0; |
762 | } | |
763 | ||
764 | static int | |
c2f09c75 | 765 | bfd_mach_o_scan_write_segment_32 (bfd *abfd, bfd_mach_o_load_command *command) |
1e8a024a | 766 | { |
c2f09c75 | 767 | unsigned char buf[BFD_MACH_O_LC_SEGMENT_SIZE]; |
1e8a024a TG |
768 | bfd_mach_o_segment_command *seg = &command->command.segment; |
769 | unsigned long i; | |
770 | ||
c2f09c75 TG |
771 | BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT); |
772 | ||
92bc0e80 TG |
773 | for (i = 0; i < seg->nsects; i++) |
774 | if (!bfd_mach_o_scan_write_relocs (abfd, &seg->sections[i])) | |
775 | return -1; | |
c2f09c75 | 776 | |
92bc0e80 | 777 | memcpy (buf, seg->segname, 16); |
c2f09c75 TG |
778 | bfd_h_put_32 (abfd, seg->vmaddr, buf + 16); |
779 | bfd_h_put_32 (abfd, seg->vmsize, buf + 20); | |
780 | bfd_h_put_32 (abfd, seg->fileoff, buf + 24); | |
781 | bfd_h_put_32 (abfd, seg->filesize, buf + 28); | |
782 | bfd_h_put_32 (abfd, seg->maxprot, buf + 32); | |
783 | bfd_h_put_32 (abfd, seg->initprot, buf + 36); | |
784 | bfd_h_put_32 (abfd, seg->nsects, buf + 40); | |
785 | bfd_h_put_32 (abfd, seg->flags, buf + 44); | |
786 | ||
787 | if (bfd_seek (abfd, command->offset + 8, SEEK_SET) != 0 | |
92bc0e80 TG |
788 | || (bfd_bwrite ((PTR) buf, BFD_MACH_O_LC_SEGMENT_SIZE - 8, abfd) |
789 | != BFD_MACH_O_LC_SEGMENT_SIZE - 8)) | |
c2f09c75 | 790 | return -1; |
1e8a024a | 791 | |
116c20d2 | 792 | for (i = 0; i < seg->nsects; i++) |
92bc0e80 TG |
793 | if (bfd_mach_o_scan_write_section_32 (abfd, &seg->sections[i])) |
794 | return -1; | |
1e8a024a | 795 | |
116c20d2 NC |
796 | return 0; |
797 | } | |
798 | ||
1e8a024a TG |
799 | static int |
800 | bfd_mach_o_scan_write_segment_64 (bfd *abfd, bfd_mach_o_load_command *command) | |
801 | { | |
c2f09c75 TG |
802 | unsigned char buf[BFD_MACH_O_LC_SEGMENT_64_SIZE]; |
803 | bfd_mach_o_segment_command *seg = &command->command.segment; | |
804 | unsigned long i; | |
805 | ||
806 | BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT_64); | |
807 | ||
92bc0e80 TG |
808 | for (i = 0; i < seg->nsects; i++) |
809 | if (!bfd_mach_o_scan_write_relocs (abfd, &seg->sections[i])) | |
810 | return -1; | |
c2f09c75 | 811 | |
92bc0e80 | 812 | memcpy (buf, seg->segname, 16); |
c2f09c75 TG |
813 | bfd_h_put_64 (abfd, seg->vmaddr, buf + 16); |
814 | bfd_h_put_64 (abfd, seg->vmsize, buf + 24); | |
815 | bfd_h_put_64 (abfd, seg->fileoff, buf + 32); | |
816 | bfd_h_put_64 (abfd, seg->filesize, buf + 40); | |
817 | bfd_h_put_32 (abfd, seg->maxprot, buf + 48); | |
818 | bfd_h_put_32 (abfd, seg->initprot, buf + 52); | |
819 | bfd_h_put_32 (abfd, seg->nsects, buf + 56); | |
820 | bfd_h_put_32 (abfd, seg->flags, buf + 60); | |
821 | ||
822 | if (bfd_seek (abfd, command->offset + 8, SEEK_SET) != 0 | |
92bc0e80 TG |
823 | || (bfd_bwrite ((PTR) buf, BFD_MACH_O_LC_SEGMENT_64_SIZE - 8, abfd) |
824 | != BFD_MACH_O_LC_SEGMENT_64_SIZE - 8)) | |
c2f09c75 TG |
825 | return -1; |
826 | ||
827 | for (i = 0; i < seg->nsects; i++) | |
92bc0e80 TG |
828 | if (bfd_mach_o_scan_write_section_64 (abfd, &seg->sections[i])) |
829 | return -1; | |
c2f09c75 | 830 | |
c2f09c75 | 831 | return 0; |
1e8a024a TG |
832 | } |
833 | ||
c2f09c75 TG |
834 | static bfd_boolean |
835 | bfd_mach_o_scan_write_symtab (bfd *abfd, bfd_mach_o_load_command *command) | |
116c20d2 | 836 | { |
92bc0e80 | 837 | bfd_mach_o_data_struct *mdata = bfd_get_mach_o_data (abfd); |
116c20d2 | 838 | bfd_mach_o_symtab_command *sym = &command->command.symtab; |
c2f09c75 | 839 | unsigned char buf[16]; |
116c20d2 | 840 | unsigned long i; |
c2f09c75 TG |
841 | unsigned int wide = bfd_mach_o_wide_p (abfd); |
842 | unsigned int symlen = wide ? 16 : 12; | |
843 | struct bfd_strtab_hash *strtab; | |
844 | asymbol **symbols = bfd_get_outsymbols (abfd); | |
845 | ||
846 | BFD_ASSERT (command->type == BFD_MACH_O_LC_SYMTAB); | |
847 | ||
848 | /* Write the symbols first. */ | |
92bc0e80 TG |
849 | mdata->filelen = FILE_ALIGN(mdata->filelen, wide ? 3 : 2); |
850 | sym->symoff = mdata->filelen; | |
c2f09c75 TG |
851 | if (bfd_seek (abfd, sym->symoff, SEEK_SET) != 0) |
852 | return FALSE; | |
853 | ||
854 | sym->nsyms = bfd_get_symcount (abfd); | |
92bc0e80 | 855 | mdata->filelen += sym->nsyms * symlen; |
c2f09c75 TG |
856 | |
857 | strtab = _bfd_stringtab_init (); | |
858 | if (strtab == NULL) | |
859 | return FALSE; | |
116c20d2 NC |
860 | |
861 | for (i = 0; i < sym->nsyms; i++) | |
862 | { | |
c2f09c75 | 863 | unsigned char buf[16]; |
c2f09c75 | 864 | bfd_size_type index; |
92bc0e80 | 865 | bfd_mach_o_asymbol *s = (bfd_mach_o_asymbol *)symbols[i]; |
c2f09c75 | 866 | |
92bc0e80 | 867 | /* Compute name index. */ |
c2f09c75 | 868 | /* An index of 0 always means the empty string. */ |
92bc0e80 | 869 | if (s->symbol.name == 0 || s->symbol.name[0] == '\0') |
c2f09c75 TG |
870 | index = 0; |
871 | else | |
872 | { | |
92bc0e80 | 873 | index = _bfd_stringtab_add (strtab, s->symbol.name, TRUE, FALSE); |
c2f09c75 TG |
874 | if (index == (bfd_size_type) -1) |
875 | goto err; | |
876 | } | |
c2f09c75 | 877 | bfd_h_put_32 (abfd, index, buf); |
92bc0e80 TG |
878 | bfd_h_put_8 (abfd, s->n_type, buf + 4); |
879 | bfd_h_put_8 (abfd, s->n_sect, buf + 5); | |
880 | bfd_h_put_16 (abfd, s->n_desc, buf + 6); | |
c2f09c75 | 881 | if (wide) |
92bc0e80 | 882 | bfd_h_put_64 (abfd, s->symbol.section->vma + s->symbol.value, buf + 8); |
c2f09c75 | 883 | else |
92bc0e80 | 884 | bfd_h_put_32 (abfd, s->symbol.section->vma + s->symbol.value, buf + 8); |
116c20d2 | 885 | |
c2f09c75 TG |
886 | if (bfd_bwrite ((PTR) buf, symlen, abfd) != symlen) |
887 | goto err; | |
116c20d2 | 888 | } |
c2f09c75 | 889 | sym->strsize = _bfd_stringtab_size (strtab); |
92bc0e80 TG |
890 | sym->stroff = mdata->filelen; |
891 | mdata->filelen += sym->strsize; | |
116c20d2 | 892 | |
c2f09c75 TG |
893 | if (_bfd_stringtab_emit (abfd, strtab) != TRUE) |
894 | goto err; | |
895 | _bfd_stringtab_free (strtab); | |
116c20d2 | 896 | |
c2f09c75 TG |
897 | /* The command. */ |
898 | bfd_h_put_32 (abfd, sym->symoff, buf); | |
899 | bfd_h_put_32 (abfd, sym->nsyms, buf + 4); | |
900 | bfd_h_put_32 (abfd, sym->stroff, buf + 8); | |
901 | bfd_h_put_32 (abfd, sym->strsize, buf + 12); | |
116c20d2 | 902 | |
c2f09c75 TG |
903 | if (bfd_seek (abfd, command->offset + 8, SEEK_SET) != 0 |
904 | || bfd_bwrite ((PTR) buf, 16, abfd) != 16) | |
905 | return FALSE; | |
116c20d2 | 906 | |
c2f09c75 | 907 | return TRUE; |
116c20d2 | 908 | |
c2f09c75 TG |
909 | err: |
910 | _bfd_stringtab_free (strtab); | |
911 | return FALSE; | |
116c20d2 NC |
912 | } |
913 | ||
92bc0e80 TG |
914 | /* Process the symbols and generate Mach-O specific fields. |
915 | Number them. */ | |
916 | ||
917 | static bfd_boolean | |
918 | bfd_mach_o_mangle_symbols (bfd *abfd) | |
919 | { | |
920 | unsigned long i; | |
921 | asymbol **symbols = bfd_get_outsymbols (abfd); | |
922 | ||
923 | for (i = 0; i < bfd_get_symcount (abfd); i++) | |
924 | { | |
925 | bfd_mach_o_asymbol *s = (bfd_mach_o_asymbol *)symbols[i]; | |
926 | ||
927 | if (s->n_type == BFD_MACH_O_N_UNDF && !(s->symbol.flags & BSF_DEBUGGING)) | |
928 | { | |
929 | /* As genuine Mach-O symbols type shouldn't be N_UNDF (undefined | |
930 | symbols should be N_UNDEF | N_EXT), we suppose the back-end | |
931 | values haven't been set. */ | |
932 | if (s->symbol.section == bfd_abs_section_ptr) | |
933 | s->n_type = BFD_MACH_O_N_ABS; | |
934 | else if (s->symbol.section == bfd_und_section_ptr) | |
935 | { | |
936 | s->n_type = BFD_MACH_O_N_UNDF; | |
937 | if (s->symbol.flags & BSF_WEAK) | |
938 | s->n_desc |= BFD_MACH_O_N_WEAK_REF; | |
939 | } | |
940 | else if (s->symbol.section == bfd_com_section_ptr) | |
941 | s->n_type = BFD_MACH_O_N_UNDF | BFD_MACH_O_N_EXT; | |
942 | else | |
943 | s->n_type = BFD_MACH_O_N_SECT; | |
944 | ||
945 | if (s->symbol.flags & BSF_GLOBAL) | |
946 | s->n_type |= BFD_MACH_O_N_EXT; | |
947 | } | |
948 | ||
949 | /* Compute section index. */ | |
950 | if (s->symbol.section != bfd_abs_section_ptr | |
951 | && s->symbol.section != bfd_und_section_ptr | |
952 | && s->symbol.section != bfd_com_section_ptr) | |
953 | s->n_sect = s->symbol.section->target_index; | |
954 | ||
955 | /* Number symbols. */ | |
956 | s->symbol.udata.i = i; | |
957 | } | |
958 | return TRUE; | |
959 | } | |
960 | ||
154a1ee5 | 961 | bfd_boolean |
116c20d2 | 962 | bfd_mach_o_write_contents (bfd *abfd) |
3af9a47b NC |
963 | { |
964 | unsigned int i; | |
3af9a47b NC |
965 | bfd_mach_o_data_struct *mdata = abfd->tdata.mach_o_data; |
966 | ||
92bc0e80 TG |
967 | if (mdata->header.ncmds == 0) |
968 | if (!bfd_mach_o_build_commands (abfd)) | |
969 | return FALSE; | |
970 | ||
3af9a47b | 971 | /* Now write header information. */ |
c2f09c75 TG |
972 | if (mdata->header.filetype == 0) |
973 | { | |
974 | if (abfd->flags & EXEC_P) | |
975 | mdata->header.filetype = BFD_MACH_O_MH_EXECUTE; | |
976 | else if (abfd->flags & DYNAMIC) | |
977 | mdata->header.filetype = BFD_MACH_O_MH_DYLIB; | |
978 | else | |
979 | mdata->header.filetype = BFD_MACH_O_MH_OBJECT; | |
980 | } | |
154a1ee5 | 981 | if (!bfd_mach_o_write_header (abfd, &mdata->header)) |
b34976b6 | 982 | return FALSE; |
3af9a47b | 983 | |
92bc0e80 TG |
984 | /* Assign a number to each symbols. */ |
985 | if (!bfd_mach_o_mangle_symbols (abfd)) | |
986 | return FALSE; | |
987 | ||
3af9a47b NC |
988 | for (i = 0; i < mdata->header.ncmds; i++) |
989 | { | |
990 | unsigned char buf[8]; | |
991 | bfd_mach_o_load_command *cur = &mdata->commands[i]; | |
992 | unsigned long typeflag; | |
993 | ||
154a1ee5 | 994 | typeflag = cur->type | (cur->type_required ? BFD_MACH_O_LC_REQ_DYLD : 0); |
3af9a47b NC |
995 | |
996 | bfd_h_put_32 (abfd, typeflag, buf); | |
997 | bfd_h_put_32 (abfd, cur->len, buf + 4); | |
998 | ||
c2f09c75 TG |
999 | if (bfd_seek (abfd, cur->offset, SEEK_SET) != 0 |
1000 | || bfd_bwrite ((PTR) buf, 8, abfd) != 8) | |
b34976b6 | 1001 | return FALSE; |
3af9a47b NC |
1002 | |
1003 | switch (cur->type) | |
1004 | { | |
1005 | case BFD_MACH_O_LC_SEGMENT: | |
1e8a024a TG |
1006 | if (bfd_mach_o_scan_write_segment_32 (abfd, cur) != 0) |
1007 | return FALSE; | |
1008 | break; | |
1009 | case BFD_MACH_O_LC_SEGMENT_64: | |
1010 | if (bfd_mach_o_scan_write_segment_64 (abfd, cur) != 0) | |
b34976b6 | 1011 | return FALSE; |
3af9a47b NC |
1012 | break; |
1013 | case BFD_MACH_O_LC_SYMTAB: | |
c2f09c75 | 1014 | if (!bfd_mach_o_scan_write_symtab (abfd, cur)) |
b34976b6 | 1015 | return FALSE; |
3af9a47b NC |
1016 | break; |
1017 | case BFD_MACH_O_LC_SYMSEG: | |
1018 | break; | |
1019 | case BFD_MACH_O_LC_THREAD: | |
1020 | case BFD_MACH_O_LC_UNIXTHREAD: | |
1021 | if (bfd_mach_o_scan_write_thread (abfd, cur) != 0) | |
b34976b6 | 1022 | return FALSE; |
3af9a47b NC |
1023 | break; |
1024 | case BFD_MACH_O_LC_LOADFVMLIB: | |
1025 | case BFD_MACH_O_LC_IDFVMLIB: | |
1026 | case BFD_MACH_O_LC_IDENT: | |
1027 | case BFD_MACH_O_LC_FVMFILE: | |
1028 | case BFD_MACH_O_LC_PREPAGE: | |
1029 | case BFD_MACH_O_LC_DYSYMTAB: | |
1030 | case BFD_MACH_O_LC_LOAD_DYLIB: | |
1031 | case BFD_MACH_O_LC_LOAD_WEAK_DYLIB: | |
1032 | case BFD_MACH_O_LC_ID_DYLIB: | |
1033 | case BFD_MACH_O_LC_LOAD_DYLINKER: | |
1034 | case BFD_MACH_O_LC_ID_DYLINKER: | |
1035 | case BFD_MACH_O_LC_PREBOUND_DYLIB: | |
1036 | case BFD_MACH_O_LC_ROUTINES: | |
1037 | case BFD_MACH_O_LC_SUB_FRAMEWORK: | |
1038 | break; | |
1039 | default: | |
1040 | fprintf (stderr, | |
1041 | "unable to write unknown load command 0x%lx\n", | |
0af1713e | 1042 | (unsigned long) cur->type); |
b34976b6 | 1043 | return FALSE; |
3af9a47b NC |
1044 | } |
1045 | } | |
1046 | ||
b34976b6 | 1047 | return TRUE; |
3af9a47b NC |
1048 | } |
1049 | ||
154a1ee5 TG |
1050 | /* Build Mach-O load commands from the sections. */ |
1051 | ||
1052 | bfd_boolean | |
1053 | bfd_mach_o_build_commands (bfd *abfd) | |
1054 | { | |
1055 | bfd_mach_o_data_struct *mdata = bfd_get_mach_o_data (abfd); | |
c2f09c75 | 1056 | unsigned int wide = mach_o_wide_p (&mdata->header); |
154a1ee5 TG |
1057 | bfd_mach_o_segment_command *seg; |
1058 | bfd_mach_o_section *sections; | |
1059 | asection *sec; | |
c2f09c75 TG |
1060 | bfd_mach_o_load_command *cmd; |
1061 | bfd_mach_o_load_command *symtab_cmd; | |
1062 | int target_index; | |
154a1ee5 TG |
1063 | |
1064 | /* Return now if commands are already built. */ | |
1065 | if (mdata->header.ncmds) | |
1066 | return FALSE; | |
1067 | ||
1068 | /* Very simple version: 1 command (segment) containing all sections. */ | |
c2f09c75 TG |
1069 | mdata->header.ncmds = 2; |
1070 | mdata->commands = bfd_alloc (abfd, mdata->header.ncmds | |
154a1ee5 TG |
1071 | * sizeof (bfd_mach_o_load_command)); |
1072 | if (mdata->commands == NULL) | |
1073 | return FALSE; | |
c2f09c75 TG |
1074 | cmd = &mdata->commands[0]; |
1075 | seg = &cmd->command.segment; | |
1076 | ||
154a1ee5 TG |
1077 | seg->nsects = bfd_count_sections (abfd); |
1078 | sections = bfd_alloc (abfd, seg->nsects * sizeof (bfd_mach_o_section)); | |
1079 | if (sections == NULL) | |
1080 | return FALSE; | |
1081 | seg->sections = sections; | |
1082 | ||
1083 | /* Set segment command. */ | |
1084 | if (wide) | |
1085 | { | |
c2f09c75 TG |
1086 | cmd->type = BFD_MACH_O_LC_SEGMENT_64; |
1087 | cmd->offset = BFD_MACH_O_HEADER_64_SIZE; | |
1088 | cmd->len = BFD_MACH_O_LC_SEGMENT_64_SIZE | |
154a1ee5 TG |
1089 | + BFD_MACH_O_SECTION_64_SIZE * seg->nsects; |
1090 | } | |
1091 | else | |
1092 | { | |
c2f09c75 TG |
1093 | cmd->type = BFD_MACH_O_LC_SEGMENT; |
1094 | cmd->offset = BFD_MACH_O_HEADER_SIZE; | |
1095 | cmd->len = BFD_MACH_O_LC_SEGMENT_SIZE | |
154a1ee5 TG |
1096 | + BFD_MACH_O_SECTION_SIZE * seg->nsects; |
1097 | } | |
c2f09c75 TG |
1098 | cmd->type_required = FALSE; |
1099 | mdata->header.sizeofcmds = cmd->len; | |
92bc0e80 | 1100 | mdata->filelen = cmd->offset + cmd->len; |
154a1ee5 | 1101 | |
c2f09c75 TG |
1102 | /* Set symtab command. */ |
1103 | symtab_cmd = &mdata->commands[1]; | |
1104 | ||
1105 | symtab_cmd->type = BFD_MACH_O_LC_SYMTAB; | |
1106 | symtab_cmd->offset = cmd->offset + cmd->len; | |
1107 | symtab_cmd->len = 6 * 4; | |
1108 | symtab_cmd->type_required = FALSE; | |
1109 | ||
1110 | mdata->header.sizeofcmds += symtab_cmd->len; | |
92bc0e80 | 1111 | mdata->filelen += symtab_cmd->len; |
c2f09c75 TG |
1112 | |
1113 | /* Fill segment command. */ | |
154a1ee5 TG |
1114 | memset (seg->segname, 0, sizeof (seg->segname)); |
1115 | seg->vmaddr = 0; | |
92bc0e80 | 1116 | seg->fileoff = mdata->filelen; |
154a1ee5 TG |
1117 | seg->filesize = 0; |
1118 | seg->maxprot = BFD_MACH_O_PROT_READ | BFD_MACH_O_PROT_WRITE | |
1119 | | BFD_MACH_O_PROT_EXECUTE; | |
1120 | seg->initprot = seg->maxprot; | |
1121 | seg->flags = 0; | |
1122 | ||
1123 | /* Create Mach-O sections. */ | |
c2f09c75 | 1124 | target_index = 0; |
154a1ee5 TG |
1125 | for (sec = abfd->sections; sec; sec = sec->next) |
1126 | { | |
1127 | sections->bfdsection = sec; | |
1128 | bfd_mach_o_convert_section_name_to_mach_o (abfd, sec, sections); | |
1129 | sections->addr = bfd_get_section_vma (abfd, sec); | |
1130 | sections->size = bfd_get_section_size (sec); | |
1131 | sections->align = bfd_get_section_alignment (abfd, sec); | |
c2f09c75 | 1132 | |
92bc0e80 TG |
1133 | if (sections->size != 0) |
1134 | { | |
1135 | mdata->filelen = FILE_ALIGN (mdata->filelen, sections->align); | |
1136 | sections->offset = mdata->filelen; | |
1137 | } | |
1138 | else | |
1139 | sections->offset = 0; | |
154a1ee5 TG |
1140 | sections->reloff = 0; |
1141 | sections->nreloc = 0; | |
1142 | sections->reserved1 = 0; | |
1143 | sections->reserved2 = 0; | |
1144 | sections->reserved3 = 0; | |
1145 | ||
92bc0e80 | 1146 | sec->filepos = sections->offset; |
c2f09c75 | 1147 | sec->target_index = ++target_index; |
154a1ee5 | 1148 | |
92bc0e80 | 1149 | mdata->filelen += sections->size; |
154a1ee5 TG |
1150 | sections++; |
1151 | } | |
92bc0e80 | 1152 | seg->filesize = mdata->filelen - seg->fileoff; |
154a1ee5 TG |
1153 | seg->vmsize = seg->filesize; |
1154 | ||
1155 | return TRUE; | |
1156 | } | |
1157 | ||
1158 | /* Set the contents of a section. */ | |
1159 | ||
1160 | bfd_boolean | |
1161 | bfd_mach_o_set_section_contents (bfd *abfd, | |
1162 | asection *section, | |
1163 | const void * location, | |
1164 | file_ptr offset, | |
1165 | bfd_size_type count) | |
1166 | { | |
1167 | file_ptr pos; | |
1168 | ||
1169 | /* This must be done first, because bfd_set_section_contents is | |
1170 | going to set output_has_begun to TRUE. */ | |
1171 | if (! abfd->output_has_begun && ! bfd_mach_o_build_commands (abfd)) | |
1172 | return FALSE; | |
1173 | ||
1174 | if (count == 0) | |
1175 | return TRUE; | |
1176 | ||
1177 | pos = section->filepos + offset; | |
1178 | if (bfd_seek (abfd, pos, SEEK_SET) != 0 | |
1179 | || bfd_bwrite (location, count, abfd) != count) | |
1180 | return FALSE; | |
1181 | ||
1182 | return TRUE; | |
1183 | } | |
1184 | ||
1185 | int | |
116c20d2 | 1186 | bfd_mach_o_sizeof_headers (bfd *a ATTRIBUTE_UNUSED, |
a6b96beb | 1187 | struct bfd_link_info *info ATTRIBUTE_UNUSED) |
3af9a47b NC |
1188 | { |
1189 | return 0; | |
1190 | } | |
1191 | ||
1192 | /* Make an empty symbol. This is required only because | |
1193 | bfd_make_section_anyway wants to create a symbol for the section. */ | |
1194 | ||
154a1ee5 | 1195 | asymbol * |
116c20d2 | 1196 | bfd_mach_o_make_empty_symbol (bfd *abfd) |
3af9a47b NC |
1197 | { |
1198 | asymbol *new; | |
1199 | ||
92bc0e80 | 1200 | new = bfd_zalloc (abfd, sizeof (bfd_mach_o_asymbol)); |
3af9a47b NC |
1201 | if (new == NULL) |
1202 | return new; | |
1203 | new->the_bfd = abfd; | |
92bc0e80 | 1204 | new->udata.i = 0; |
3af9a47b NC |
1205 | return new; |
1206 | } | |
1207 | ||
154a1ee5 | 1208 | static bfd_boolean |
116c20d2 | 1209 | bfd_mach_o_read_header (bfd *abfd, bfd_mach_o_header *header) |
3af9a47b | 1210 | { |
1e8a024a TG |
1211 | unsigned char buf[32]; |
1212 | unsigned int size; | |
edeb6e24 | 1213 | bfd_vma (*get32) (const void *) = NULL; |
3af9a47b | 1214 | |
1e8a024a | 1215 | /* Just read the magic number. */ |
c2f09c75 TG |
1216 | if (bfd_seek (abfd, 0, SEEK_SET) != 0 |
1217 | || bfd_bread ((PTR) buf, 4, abfd) != 4) | |
154a1ee5 | 1218 | return FALSE; |
3af9a47b | 1219 | |
154a1ee5 | 1220 | if (bfd_getb32 (buf) == BFD_MACH_O_MH_MAGIC) |
3af9a47b NC |
1221 | { |
1222 | header->byteorder = BFD_ENDIAN_BIG; | |
154a1ee5 | 1223 | header->magic = BFD_MACH_O_MH_MAGIC; |
1e8a024a | 1224 | header->version = 1; |
3af9a47b NC |
1225 | get32 = bfd_getb32; |
1226 | } | |
154a1ee5 | 1227 | else if (bfd_getl32 (buf) == BFD_MACH_O_MH_MAGIC) |
3af9a47b | 1228 | { |
a95a4550 | 1229 | header->byteorder = BFD_ENDIAN_LITTLE; |
154a1ee5 | 1230 | header->magic = BFD_MACH_O_MH_MAGIC; |
1e8a024a TG |
1231 | header->version = 1; |
1232 | get32 = bfd_getl32; | |
1233 | } | |
154a1ee5 | 1234 | else if (bfd_getb32 (buf) == BFD_MACH_O_MH_MAGIC_64) |
1e8a024a TG |
1235 | { |
1236 | header->byteorder = BFD_ENDIAN_BIG; | |
154a1ee5 | 1237 | header->magic = BFD_MACH_O_MH_MAGIC_64; |
1e8a024a TG |
1238 | header->version = 2; |
1239 | get32 = bfd_getb32; | |
1240 | } | |
154a1ee5 | 1241 | else if (bfd_getl32 (buf) == BFD_MACH_O_MH_MAGIC_64) |
1e8a024a TG |
1242 | { |
1243 | header->byteorder = BFD_ENDIAN_LITTLE; | |
154a1ee5 | 1244 | header->magic = BFD_MACH_O_MH_MAGIC_64; |
1e8a024a | 1245 | header->version = 2; |
3af9a47b NC |
1246 | get32 = bfd_getl32; |
1247 | } | |
1248 | else | |
1249 | { | |
1250 | header->byteorder = BFD_ENDIAN_UNKNOWN; | |
154a1ee5 | 1251 | return FALSE; |
3af9a47b | 1252 | } |
a95a4550 | 1253 | |
1e8a024a | 1254 | /* Once the size of the header is known, read the full header. */ |
c2f09c75 | 1255 | size = mach_o_wide_p (header) ? |
154a1ee5 | 1256 | BFD_MACH_O_HEADER_64_SIZE : BFD_MACH_O_HEADER_SIZE; |
1e8a024a | 1257 | |
c2f09c75 TG |
1258 | if (bfd_seek (abfd, 0, SEEK_SET) != 0 |
1259 | || bfd_bread ((PTR) buf, size, abfd) != size) | |
154a1ee5 | 1260 | return FALSE; |
1e8a024a | 1261 | |
3af9a47b NC |
1262 | header->cputype = (*get32) (buf + 4); |
1263 | header->cpusubtype = (*get32) (buf + 8); | |
1264 | header->filetype = (*get32) (buf + 12); | |
1265 | header->ncmds = (*get32) (buf + 16); | |
1266 | header->sizeofcmds = (*get32) (buf + 20); | |
1267 | header->flags = (*get32) (buf + 24); | |
1268 | ||
c2f09c75 | 1269 | if (mach_o_wide_p (header)) |
1e8a024a TG |
1270 | header->reserved = (*get32) (buf + 28); |
1271 | ||
154a1ee5 | 1272 | return TRUE; |
3af9a47b NC |
1273 | } |
1274 | ||
1275 | static asection * | |
15e1c58a TG |
1276 | bfd_mach_o_make_bfd_section (bfd *abfd, bfd_mach_o_section *section, |
1277 | unsigned long prot) | |
3af9a47b NC |
1278 | { |
1279 | asection *bfdsec; | |
1280 | char *sname; | |
117ed4f8 | 1281 | flagword flags; |
3af9a47b | 1282 | |
154a1ee5 | 1283 | sname = bfd_mach_o_convert_section_name_to_bfd (abfd, section); |
3af9a47b NC |
1284 | if (sname == NULL) |
1285 | return NULL; | |
3af9a47b | 1286 | |
15e1c58a TG |
1287 | if (section->flags & BFD_MACH_O_S_ATTR_DEBUG) |
1288 | flags = SEC_HAS_CONTENTS | SEC_DEBUGGING; | |
1289 | else | |
1290 | { | |
1291 | flags = SEC_ALLOC; | |
1292 | if ((section->flags & BFD_MACH_O_SECTION_TYPE_MASK) | |
1293 | != BFD_MACH_O_S_ZEROFILL) | |
1294 | { | |
1295 | flags |= SEC_HAS_CONTENTS | SEC_LOAD; | |
1296 | if (prot & BFD_MACH_O_PROT_EXECUTE) | |
1297 | flags |= SEC_CODE; | |
1298 | if (prot & BFD_MACH_O_PROT_WRITE) | |
1299 | flags |= SEC_DATA; | |
1300 | else if (prot & BFD_MACH_O_PROT_READ) | |
1301 | flags |= SEC_READONLY; | |
1302 | } | |
1303 | } | |
92bc0e80 TG |
1304 | if (section->nreloc != 0) |
1305 | flags |= SEC_RELOC; | |
1306 | ||
117ed4f8 | 1307 | bfdsec = bfd_make_section_anyway_with_flags (abfd, sname, flags); |
3af9a47b NC |
1308 | if (bfdsec == NULL) |
1309 | return NULL; | |
a95a4550 | 1310 | |
3af9a47b NC |
1311 | bfdsec->vma = section->addr; |
1312 | bfdsec->lma = section->addr; | |
eea6121a | 1313 | bfdsec->size = section->size; |
3af9a47b NC |
1314 | bfdsec->filepos = section->offset; |
1315 | bfdsec->alignment_power = section->align; | |
1e8a024a | 1316 | bfdsec->segment_mark = 0; |
92bc0e80 TG |
1317 | bfdsec->reloc_count = section->nreloc; |
1318 | bfdsec->rel_filepos = section->reloff; | |
3af9a47b | 1319 | |
3af9a47b NC |
1320 | return bfdsec; |
1321 | } | |
1322 | ||
1323 | static int | |
1e8a024a TG |
1324 | bfd_mach_o_scan_read_section_32 (bfd *abfd, |
1325 | bfd_mach_o_section *section, | |
92bc0e80 | 1326 | unsigned int offset, |
15e1c58a | 1327 | unsigned long prot) |
3af9a47b | 1328 | { |
154a1ee5 | 1329 | unsigned char buf[BFD_MACH_O_SECTION_SIZE]; |
3af9a47b | 1330 | |
c2f09c75 TG |
1331 | if (bfd_seek (abfd, offset, SEEK_SET) != 0 |
1332 | || (bfd_bread ((PTR) buf, BFD_MACH_O_SECTION_SIZE, abfd) | |
1333 | != BFD_MACH_O_SECTION_SIZE)) | |
3af9a47b | 1334 | return -1; |
a95a4550 | 1335 | |
3af9a47b NC |
1336 | memcpy (section->sectname, buf, 16); |
1337 | section->sectname[16] = '\0'; | |
1338 | memcpy (section->segname, buf + 16, 16); | |
1339 | section->segname[16] = '\0'; | |
1340 | section->addr = bfd_h_get_32 (abfd, buf + 32); | |
1341 | section->size = bfd_h_get_32 (abfd, buf + 36); | |
1342 | section->offset = bfd_h_get_32 (abfd, buf + 40); | |
1343 | section->align = bfd_h_get_32 (abfd, buf + 44); | |
1344 | section->reloff = bfd_h_get_32 (abfd, buf + 48); | |
1345 | section->nreloc = bfd_h_get_32 (abfd, buf + 52); | |
1346 | section->flags = bfd_h_get_32 (abfd, buf + 56); | |
1347 | section->reserved1 = bfd_h_get_32 (abfd, buf + 60); | |
1348 | section->reserved2 = bfd_h_get_32 (abfd, buf + 64); | |
1e8a024a | 1349 | section->reserved3 = 0; |
15e1c58a | 1350 | section->bfdsection = bfd_mach_o_make_bfd_section (abfd, section, prot); |
1e8a024a TG |
1351 | |
1352 | if (section->bfdsection == NULL) | |
1353 | return -1; | |
1354 | ||
1355 | return 0; | |
1356 | } | |
1357 | ||
1358 | static int | |
1359 | bfd_mach_o_scan_read_section_64 (bfd *abfd, | |
1360 | bfd_mach_o_section *section, | |
92bc0e80 | 1361 | unsigned int offset, |
15e1c58a | 1362 | unsigned long prot) |
1e8a024a | 1363 | { |
154a1ee5 | 1364 | unsigned char buf[BFD_MACH_O_SECTION_64_SIZE]; |
1e8a024a | 1365 | |
c2f09c75 TG |
1366 | if (bfd_seek (abfd, offset, SEEK_SET) != 0 |
1367 | || (bfd_bread ((PTR) buf, BFD_MACH_O_SECTION_64_SIZE, abfd) | |
1368 | != BFD_MACH_O_SECTION_64_SIZE)) | |
1e8a024a TG |
1369 | return -1; |
1370 | ||
1371 | memcpy (section->sectname, buf, 16); | |
1372 | section->sectname[16] = '\0'; | |
1373 | memcpy (section->segname, buf + 16, 16); | |
1374 | section->segname[16] = '\0'; | |
1375 | section->addr = bfd_h_get_64 (abfd, buf + 32); | |
1376 | section->size = bfd_h_get_64 (abfd, buf + 40); | |
1377 | section->offset = bfd_h_get_32 (abfd, buf + 48); | |
1378 | section->align = bfd_h_get_32 (abfd, buf + 52); | |
1379 | section->reloff = bfd_h_get_32 (abfd, buf + 56); | |
1380 | section->nreloc = bfd_h_get_32 (abfd, buf + 60); | |
1381 | section->flags = bfd_h_get_32 (abfd, buf + 64); | |
1382 | section->reserved1 = bfd_h_get_32 (abfd, buf + 68); | |
1383 | section->reserved2 = bfd_h_get_32 (abfd, buf + 72); | |
1384 | section->reserved3 = bfd_h_get_32 (abfd, buf + 76); | |
15e1c58a | 1385 | section->bfdsection = bfd_mach_o_make_bfd_section (abfd, section, prot); |
3af9a47b NC |
1386 | |
1387 | if (section->bfdsection == NULL) | |
1388 | return -1; | |
1389 | ||
1390 | return 0; | |
1391 | } | |
1392 | ||
1e8a024a TG |
1393 | static int |
1394 | bfd_mach_o_scan_read_section (bfd *abfd, | |
1395 | bfd_mach_o_section *section, | |
92bc0e80 | 1396 | unsigned int offset, |
15e1c58a | 1397 | unsigned long prot, |
1e8a024a TG |
1398 | unsigned int wide) |
1399 | { | |
1400 | if (wide) | |
15e1c58a | 1401 | return bfd_mach_o_scan_read_section_64 (abfd, section, offset, prot); |
1e8a024a | 1402 | else |
15e1c58a | 1403 | return bfd_mach_o_scan_read_section_32 (abfd, section, offset, prot); |
1e8a024a TG |
1404 | } |
1405 | ||
3af9a47b | 1406 | int |
116c20d2 NC |
1407 | bfd_mach_o_scan_read_symtab_symbol (bfd *abfd, |
1408 | bfd_mach_o_symtab_command *sym, | |
92bc0e80 | 1409 | bfd_mach_o_asymbol *s, |
116c20d2 | 1410 | unsigned long i) |
3af9a47b NC |
1411 | { |
1412 | bfd_mach_o_data_struct *mdata = abfd->tdata.mach_o_data; | |
c2f09c75 | 1413 | unsigned int wide = mach_o_wide_p (&mdata->header); |
1e8a024a | 1414 | unsigned int symwidth = wide ? 16 : 12; |
92bc0e80 | 1415 | unsigned int symoff = sym->symoff + (i * symwidth); |
1e8a024a | 1416 | unsigned char buf[16]; |
3af9a47b NC |
1417 | unsigned char type = -1; |
1418 | unsigned char section = -1; | |
1419 | short desc = -1; | |
1e8a024a | 1420 | symvalue value = -1; |
3af9a47b NC |
1421 | unsigned long stroff = -1; |
1422 | unsigned int symtype = -1; | |
1423 | ||
1424 | BFD_ASSERT (sym->strtab != NULL); | |
1425 | ||
c2f09c75 TG |
1426 | if (bfd_seek (abfd, symoff, SEEK_SET) != 0 |
1427 | || bfd_bread ((PTR) buf, symwidth, abfd) != symwidth) | |
3af9a47b NC |
1428 | { |
1429 | fprintf (stderr, "bfd_mach_o_scan_read_symtab_symbol: unable to read %d bytes at %lu\n", | |
1e8a024a | 1430 | symwidth, (unsigned long) symoff); |
3af9a47b NC |
1431 | return -1; |
1432 | } | |
1433 | ||
1434 | stroff = bfd_h_get_32 (abfd, buf); | |
1435 | type = bfd_h_get_8 (abfd, buf + 4); | |
c2f09c75 | 1436 | symtype = type & BFD_MACH_O_N_TYPE; |
15e1c58a | 1437 | section = bfd_h_get_8 (abfd, buf + 5); |
3af9a47b | 1438 | desc = bfd_h_get_16 (abfd, buf + 6); |
1e8a024a TG |
1439 | if (wide) |
1440 | value = bfd_h_get_64 (abfd, buf + 8); | |
1441 | else | |
1442 | value = bfd_h_get_32 (abfd, buf + 8); | |
3af9a47b NC |
1443 | |
1444 | if (stroff >= sym->strsize) | |
1445 | { | |
1446 | fprintf (stderr, "bfd_mach_o_scan_read_symtab_symbol: symbol name out of range (%lu >= %lu)\n", | |
1447 | (unsigned long) stroff, (unsigned long) sym->strsize); | |
a95a4550 | 1448 | return -1; |
3af9a47b NC |
1449 | } |
1450 | ||
92bc0e80 TG |
1451 | s->symbol.the_bfd = abfd; |
1452 | s->symbol.name = sym->strtab + stroff; | |
1453 | s->symbol.value = value; | |
1454 | s->symbol.flags = 0x0; | |
1455 | s->symbol.udata.i = 0; | |
1456 | s->n_type = type; | |
1457 | s->n_sect = section; | |
1458 | s->n_desc = desc; | |
3af9a47b NC |
1459 | |
1460 | if (type & BFD_MACH_O_N_STAB) | |
1461 | { | |
92bc0e80 TG |
1462 | s->symbol.flags |= BSF_DEBUGGING; |
1463 | s->symbol.section = bfd_und_section_ptr; | |
15e1c58a TG |
1464 | switch (type) |
1465 | { | |
1466 | case N_FUN: | |
1467 | case N_STSYM: | |
1468 | case N_LCSYM: | |
1469 | case N_BNSYM: | |
1470 | case N_SLINE: | |
1471 | case N_ENSYM: | |
1472 | case N_ECOMM: | |
1473 | case N_ECOML: | |
1474 | case N_GSYM: | |
1475 | if ((section > 0) && (section <= mdata->nsects)) | |
1476 | { | |
92bc0e80 TG |
1477 | s->symbol.section = mdata->sections[section - 1]->bfdsection; |
1478 | s->symbol.value = | |
1479 | s->symbol.value - mdata->sections[section - 1]->addr; | |
15e1c58a TG |
1480 | } |
1481 | break; | |
1482 | } | |
3af9a47b NC |
1483 | } |
1484 | else | |
1485 | { | |
1486 | if (type & BFD_MACH_O_N_PEXT) | |
92bc0e80 | 1487 | s->symbol.flags |= BSF_GLOBAL; |
c2f09c75 | 1488 | |
3af9a47b | 1489 | if (type & BFD_MACH_O_N_EXT) |
92bc0e80 | 1490 | s->symbol.flags |= BSF_GLOBAL; |
15e1c58a TG |
1491 | |
1492 | if (!(type & (BFD_MACH_O_N_PEXT | BFD_MACH_O_N_EXT))) | |
92bc0e80 | 1493 | s->symbol.flags |= BSF_LOCAL; |
3af9a47b NC |
1494 | |
1495 | switch (symtype) | |
1496 | { | |
1497 | case BFD_MACH_O_N_UNDF: | |
c2f09c75 | 1498 | if (type == (BFD_MACH_O_N_UNDF | BFD_MACH_O_N_EXT) |
92bc0e80 | 1499 | && s->symbol.value != 0) |
c2f09c75 TG |
1500 | { |
1501 | /* A common symbol. */ | |
92bc0e80 TG |
1502 | s->symbol.section = bfd_com_section_ptr; |
1503 | s->symbol.flags = BSF_NO_FLAGS; | |
c2f09c75 TG |
1504 | } |
1505 | else | |
92bc0e80 TG |
1506 | { |
1507 | s->symbol.section = bfd_und_section_ptr; | |
1508 | if (s->n_desc & BFD_MACH_O_N_WEAK_REF) | |
1509 | s->symbol.flags |= BSF_WEAK; | |
1510 | } | |
3af9a47b NC |
1511 | break; |
1512 | case BFD_MACH_O_N_PBUD: | |
92bc0e80 | 1513 | s->symbol.section = bfd_und_section_ptr; |
3af9a47b NC |
1514 | break; |
1515 | case BFD_MACH_O_N_ABS: | |
92bc0e80 | 1516 | s->symbol.section = bfd_abs_section_ptr; |
3af9a47b NC |
1517 | break; |
1518 | case BFD_MACH_O_N_SECT: | |
1519 | if ((section > 0) && (section <= mdata->nsects)) | |
1520 | { | |
92bc0e80 TG |
1521 | s->symbol.section = mdata->sections[section - 1]->bfdsection; |
1522 | s->symbol.value = | |
1523 | s->symbol.value - mdata->sections[section - 1]->addr; | |
3af9a47b NC |
1524 | } |
1525 | else | |
1526 | { | |
1527 | /* Mach-O uses 0 to mean "no section"; not an error. */ | |
1528 | if (section != 0) | |
1529 | { | |
1530 | fprintf (stderr, "bfd_mach_o_scan_read_symtab_symbol: " | |
a95a4550 | 1531 | "symbol \"%s\" specified invalid section %d (max %lu): setting to undefined\n", |
92bc0e80 | 1532 | s->symbol.name, section, mdata->nsects); |
3af9a47b | 1533 | } |
92bc0e80 | 1534 | s->symbol.section = bfd_und_section_ptr; |
3af9a47b NC |
1535 | } |
1536 | break; | |
1537 | case BFD_MACH_O_N_INDR: | |
1538 | fprintf (stderr, "bfd_mach_o_scan_read_symtab_symbol: " | |
a95a4550 | 1539 | "symbol \"%s\" is unsupported 'indirect' reference: setting to undefined\n", |
92bc0e80 TG |
1540 | s->symbol.name); |
1541 | s->symbol.section = bfd_und_section_ptr; | |
3af9a47b NC |
1542 | break; |
1543 | default: | |
1544 | fprintf (stderr, "bfd_mach_o_scan_read_symtab_symbol: " | |
a95a4550 | 1545 | "symbol \"%s\" specified invalid type field 0x%x: setting to undefined\n", |
92bc0e80 TG |
1546 | s->symbol.name, symtype); |
1547 | s->symbol.section = bfd_und_section_ptr; | |
3af9a47b NC |
1548 | break; |
1549 | } | |
1550 | } | |
1551 | ||
1552 | return 0; | |
1553 | } | |
1554 | ||
1555 | int | |
116c20d2 NC |
1556 | bfd_mach_o_scan_read_symtab_strtab (bfd *abfd, |
1557 | bfd_mach_o_symtab_command *sym) | |
3af9a47b NC |
1558 | { |
1559 | BFD_ASSERT (sym->strtab == NULL); | |
1560 | ||
1561 | if (abfd->flags & BFD_IN_MEMORY) | |
1562 | { | |
1563 | struct bfd_in_memory *b; | |
1564 | ||
1565 | b = (struct bfd_in_memory *) abfd->iostream; | |
1566 | ||
1567 | if ((sym->stroff + sym->strsize) > b->size) | |
1568 | { | |
1569 | bfd_set_error (bfd_error_file_truncated); | |
1570 | return -1; | |
1571 | } | |
f075ee0c | 1572 | sym->strtab = (char *) b->buffer + sym->stroff; |
3af9a47b NC |
1573 | return 0; |
1574 | } | |
1575 | ||
1576 | sym->strtab = bfd_alloc (abfd, sym->strsize); | |
1577 | if (sym->strtab == NULL) | |
1578 | return -1; | |
1579 | ||
c2f09c75 TG |
1580 | if (bfd_seek (abfd, sym->stroff, SEEK_SET) != 0 |
1581 | || bfd_bread ((PTR) sym->strtab, sym->strsize, abfd) != sym->strsize) | |
3af9a47b | 1582 | { |
92bc0e80 | 1583 | bfd_set_error (bfd_error_file_truncated); |
a95a4550 | 1584 | return -1; |
3af9a47b NC |
1585 | } |
1586 | ||
1587 | return 0; | |
1588 | } | |
1589 | ||
a95a4550 | 1590 | int |
116c20d2 NC |
1591 | bfd_mach_o_scan_read_symtab_symbols (bfd *abfd, |
1592 | bfd_mach_o_symtab_command *sym) | |
3af9a47b NC |
1593 | { |
1594 | unsigned long i; | |
1595 | int ret; | |
1596 | ||
1597 | BFD_ASSERT (sym->symbols == NULL); | |
92bc0e80 | 1598 | sym->symbols = bfd_alloc (abfd, sym->nsyms * sizeof (bfd_mach_o_asymbol)); |
3af9a47b NC |
1599 | |
1600 | if (sym->symbols == NULL) | |
1601 | { | |
1602 | fprintf (stderr, "bfd_mach_o_scan_read_symtab_symbols: unable to allocate memory for symbols\n"); | |
a95a4550 | 1603 | return -1; |
3af9a47b | 1604 | } |
a95a4550 | 1605 | |
3af9a47b NC |
1606 | ret = bfd_mach_o_scan_read_symtab_strtab (abfd, sym); |
1607 | if (ret != 0) | |
1608 | return ret; | |
1609 | ||
1610 | for (i = 0; i < sym->nsyms; i++) | |
1611 | { | |
1612 | ret = bfd_mach_o_scan_read_symtab_symbol (abfd, sym, &sym->symbols[i], i); | |
1613 | if (ret != 0) | |
1614 | return ret; | |
1615 | } | |
a95a4550 | 1616 | |
3af9a47b NC |
1617 | return 0; |
1618 | } | |
1619 | ||
1620 | int | |
116c20d2 NC |
1621 | bfd_mach_o_scan_read_dysymtab_symbol (bfd *abfd, |
1622 | bfd_mach_o_dysymtab_command *dysym, | |
1623 | bfd_mach_o_symtab_command *sym, | |
92bc0e80 | 1624 | bfd_mach_o_asymbol *s, |
116c20d2 | 1625 | unsigned long i) |
3af9a47b NC |
1626 | { |
1627 | unsigned long isymoff = dysym->indirectsymoff + (i * 4); | |
1628 | unsigned long symindex; | |
1629 | unsigned char buf[4]; | |
1630 | ||
1631 | BFD_ASSERT (i < dysym->nindirectsyms); | |
a95a4550 | 1632 | |
c2f09c75 TG |
1633 | if (bfd_seek (abfd, isymoff, SEEK_SET) != 0 |
1634 | || bfd_bread ((PTR) buf, 4, abfd) != 4) | |
3af9a47b NC |
1635 | { |
1636 | fprintf (stderr, "bfd_mach_o_scan_read_dysymtab_symbol: unable to read %lu bytes at %lu\n", | |
1637 | (unsigned long) 4, isymoff); | |
1638 | return -1; | |
1639 | } | |
1640 | symindex = bfd_h_get_32 (abfd, buf); | |
a95a4550 | 1641 | |
3af9a47b NC |
1642 | return bfd_mach_o_scan_read_symtab_symbol (abfd, sym, s, symindex); |
1643 | } | |
1644 | ||
1645 | static const char * | |
116c20d2 | 1646 | bfd_mach_o_i386_flavour_string (unsigned int flavour) |
3af9a47b NC |
1647 | { |
1648 | switch ((int) flavour) | |
1649 | { | |
15e1c58a TG |
1650 | case BFD_MACH_O_x86_THREAD_STATE32: return "x86_THREAD_STATE32"; |
1651 | case BFD_MACH_O_x86_FLOAT_STATE32: return "x86_FLOAT_STATE32"; | |
1652 | case BFD_MACH_O_x86_EXCEPTION_STATE32: return "x86_EXCEPTION_STATE32"; | |
1653 | case BFD_MACH_O_x86_THREAD_STATE64: return "x86_THREAD_STATE64"; | |
1654 | case BFD_MACH_O_x86_FLOAT_STATE64: return "x86_FLOAT_STATE64"; | |
1655 | case BFD_MACH_O_x86_EXCEPTION_STATE64: return "x86_EXCEPTION_STATE64"; | |
1656 | case BFD_MACH_O_x86_THREAD_STATE: return "x86_THREAD_STATE"; | |
1657 | case BFD_MACH_O_x86_FLOAT_STATE: return "x86_FLOAT_STATE"; | |
1658 | case BFD_MACH_O_x86_EXCEPTION_STATE: return "x86_EXCEPTION_STATE"; | |
1659 | case BFD_MACH_O_x86_DEBUG_STATE32: return "x86_DEBUG_STATE32"; | |
1660 | case BFD_MACH_O_x86_DEBUG_STATE64: return "x86_DEBUG_STATE64"; | |
1661 | case BFD_MACH_O_x86_DEBUG_STATE: return "x86_DEBUG_STATE"; | |
1662 | case BFD_MACH_O_THREAD_STATE_NONE: return "THREAD_STATE_NONE"; | |
3af9a47b NC |
1663 | default: return "UNKNOWN"; |
1664 | } | |
1665 | } | |
1666 | ||
1667 | static const char * | |
116c20d2 | 1668 | bfd_mach_o_ppc_flavour_string (unsigned int flavour) |
3af9a47b NC |
1669 | { |
1670 | switch ((int) flavour) | |
1671 | { | |
1672 | case BFD_MACH_O_PPC_THREAD_STATE: return "PPC_THREAD_STATE"; | |
1673 | case BFD_MACH_O_PPC_FLOAT_STATE: return "PPC_FLOAT_STATE"; | |
1674 | case BFD_MACH_O_PPC_EXCEPTION_STATE: return "PPC_EXCEPTION_STATE"; | |
1675 | case BFD_MACH_O_PPC_VECTOR_STATE: return "PPC_VECTOR_STATE"; | |
1676 | default: return "UNKNOWN"; | |
1677 | } | |
1678 | } | |
1679 | ||
1680 | static int | |
116c20d2 NC |
1681 | bfd_mach_o_scan_read_dylinker (bfd *abfd, |
1682 | bfd_mach_o_load_command *command) | |
3af9a47b NC |
1683 | { |
1684 | bfd_mach_o_dylinker_command *cmd = &command->command.dylinker; | |
1685 | unsigned char buf[4]; | |
1686 | unsigned int nameoff; | |
1687 | asection *bfdsec; | |
1688 | char *sname; | |
1689 | const char *prefix; | |
1690 | ||
1691 | BFD_ASSERT ((command->type == BFD_MACH_O_LC_ID_DYLINKER) | |
1692 | || (command->type == BFD_MACH_O_LC_LOAD_DYLINKER)); | |
1693 | ||
c2f09c75 TG |
1694 | if (bfd_seek (abfd, command->offset + 8, SEEK_SET) != 0 |
1695 | || bfd_bread ((PTR) buf, 4, abfd) != 4) | |
3af9a47b NC |
1696 | return -1; |
1697 | ||
1698 | nameoff = bfd_h_get_32 (abfd, buf + 0); | |
1699 | ||
1700 | cmd->name_offset = command->offset + nameoff; | |
1701 | cmd->name_len = command->len - nameoff; | |
1702 | ||
1703 | if (command->type == BFD_MACH_O_LC_LOAD_DYLINKER) | |
1704 | prefix = "LC_LOAD_DYLINKER"; | |
1705 | else if (command->type == BFD_MACH_O_LC_ID_DYLINKER) | |
1706 | prefix = "LC_ID_DYLINKER"; | |
1707 | else | |
1708 | abort (); | |
1709 | ||
116c20d2 | 1710 | sname = bfd_alloc (abfd, strlen (prefix) + 1); |
3af9a47b NC |
1711 | if (sname == NULL) |
1712 | return -1; | |
1713 | strcpy (sname, prefix); | |
1714 | ||
117ed4f8 | 1715 | bfdsec = bfd_make_section_anyway_with_flags (abfd, sname, SEC_HAS_CONTENTS); |
3af9a47b NC |
1716 | if (bfdsec == NULL) |
1717 | return -1; | |
a95a4550 | 1718 | |
3af9a47b NC |
1719 | bfdsec->vma = 0; |
1720 | bfdsec->lma = 0; | |
846b9259 TG |
1721 | bfdsec->size = command->len - nameoff; |
1722 | bfdsec->filepos = command->offset + nameoff; | |
3af9a47b | 1723 | bfdsec->alignment_power = 0; |
3af9a47b NC |
1724 | |
1725 | cmd->section = bfdsec; | |
1726 | ||
1727 | return 0; | |
1728 | } | |
1729 | ||
1730 | static int | |
116c20d2 | 1731 | bfd_mach_o_scan_read_dylib (bfd *abfd, bfd_mach_o_load_command *command) |
3af9a47b NC |
1732 | { |
1733 | bfd_mach_o_dylib_command *cmd = &command->command.dylib; | |
1734 | unsigned char buf[16]; | |
1735 | unsigned int nameoff; | |
1736 | asection *bfdsec; | |
1737 | char *sname; | |
1738 | const char *prefix; | |
1739 | ||
1740 | BFD_ASSERT ((command->type == BFD_MACH_O_LC_ID_DYLIB) | |
1741 | || (command->type == BFD_MACH_O_LC_LOAD_DYLIB) | |
1742 | || (command->type == BFD_MACH_O_LC_LOAD_WEAK_DYLIB)); | |
1743 | ||
c2f09c75 TG |
1744 | if (bfd_seek (abfd, command->offset + 8, SEEK_SET) != 0 |
1745 | || bfd_bread ((PTR) buf, 16, abfd) != 16) | |
3af9a47b NC |
1746 | return -1; |
1747 | ||
1748 | nameoff = bfd_h_get_32 (abfd, buf + 0); | |
1749 | cmd->timestamp = bfd_h_get_32 (abfd, buf + 4); | |
1750 | cmd->current_version = bfd_h_get_32 (abfd, buf + 8); | |
1751 | cmd->compatibility_version = bfd_h_get_32 (abfd, buf + 12); | |
1752 | ||
1753 | cmd->name_offset = command->offset + nameoff; | |
1754 | cmd->name_len = command->len - nameoff; | |
1755 | ||
1756 | if (command->type == BFD_MACH_O_LC_LOAD_DYLIB) | |
1757 | prefix = "LC_LOAD_DYLIB"; | |
1758 | else if (command->type == BFD_MACH_O_LC_LOAD_WEAK_DYLIB) | |
1759 | prefix = "LC_LOAD_WEAK_DYLIB"; | |
1760 | else if (command->type == BFD_MACH_O_LC_ID_DYLIB) | |
1761 | prefix = "LC_ID_DYLIB"; | |
1762 | else | |
1763 | abort (); | |
1764 | ||
116c20d2 | 1765 | sname = bfd_alloc (abfd, strlen (prefix) + 1); |
3af9a47b NC |
1766 | if (sname == NULL) |
1767 | return -1; | |
1768 | strcpy (sname, prefix); | |
1769 | ||
117ed4f8 | 1770 | bfdsec = bfd_make_section_anyway_with_flags (abfd, sname, SEC_HAS_CONTENTS); |
3af9a47b NC |
1771 | if (bfdsec == NULL) |
1772 | return -1; | |
a95a4550 | 1773 | |
3af9a47b NC |
1774 | bfdsec->vma = 0; |
1775 | bfdsec->lma = 0; | |
eea6121a | 1776 | bfdsec->size = command->len - 8; |
3af9a47b NC |
1777 | bfdsec->filepos = command->offset + 8; |
1778 | bfdsec->alignment_power = 0; | |
3af9a47b NC |
1779 | |
1780 | cmd->section = bfdsec; | |
1781 | ||
1782 | return 0; | |
1783 | } | |
1784 | ||
1785 | static int | |
116c20d2 NC |
1786 | bfd_mach_o_scan_read_prebound_dylib (bfd *abfd ATTRIBUTE_UNUSED, |
1787 | bfd_mach_o_load_command *command ATTRIBUTE_UNUSED) | |
3af9a47b NC |
1788 | { |
1789 | /* bfd_mach_o_prebound_dylib_command *cmd = &command->command.prebound_dylib; */ | |
1790 | ||
1791 | BFD_ASSERT (command->type == BFD_MACH_O_LC_PREBOUND_DYLIB); | |
1792 | return 0; | |
1793 | } | |
1794 | ||
1795 | static int | |
116c20d2 | 1796 | bfd_mach_o_scan_read_thread (bfd *abfd, bfd_mach_o_load_command *command) |
3af9a47b NC |
1797 | { |
1798 | bfd_mach_o_data_struct *mdata = NULL; | |
1799 | bfd_mach_o_thread_command *cmd = &command->command.thread; | |
1800 | unsigned char buf[8]; | |
92bc0e80 | 1801 | unsigned int offset; |
3af9a47b NC |
1802 | unsigned int nflavours; |
1803 | unsigned int i; | |
1804 | ||
1805 | BFD_ASSERT ((command->type == BFD_MACH_O_LC_THREAD) | |
1806 | || (command->type == BFD_MACH_O_LC_UNIXTHREAD)); | |
1807 | ||
1808 | BFD_ASSERT (bfd_mach_o_valid (abfd)); | |
1809 | mdata = abfd->tdata.mach_o_data; | |
a95a4550 | 1810 | |
3af9a47b NC |
1811 | offset = 8; |
1812 | nflavours = 0; | |
1813 | while (offset != command->len) | |
1814 | { | |
1815 | if (offset >= command->len) | |
1816 | return -1; | |
1817 | ||
c2f09c75 TG |
1818 | if (bfd_seek (abfd, command->offset + offset, SEEK_SET) != 0 |
1819 | || bfd_bread ((PTR) buf, 8, abfd) != 8) | |
3af9a47b NC |
1820 | return -1; |
1821 | ||
1822 | offset += 8 + bfd_h_get_32 (abfd, buf + 4) * 4; | |
1823 | nflavours++; | |
1824 | } | |
1825 | ||
116c20d2 | 1826 | cmd->flavours = bfd_alloc (abfd, nflavours * sizeof (bfd_mach_o_thread_flavour)); |
3af9a47b NC |
1827 | if (cmd->flavours == NULL) |
1828 | return -1; | |
1829 | cmd->nflavours = nflavours; | |
1830 | ||
1831 | offset = 8; | |
1832 | nflavours = 0; | |
1833 | while (offset != command->len) | |
1834 | { | |
1835 | if (offset >= command->len) | |
1836 | return -1; | |
1837 | ||
1838 | if (nflavours >= cmd->nflavours) | |
1839 | return -1; | |
1840 | ||
c2f09c75 TG |
1841 | if (bfd_seek (abfd, command->offset + offset, SEEK_SET) != 0 |
1842 | || bfd_bread ((PTR) buf, 8, abfd) != 8) | |
3af9a47b NC |
1843 | return -1; |
1844 | ||
1845 | cmd->flavours[nflavours].flavour = bfd_h_get_32 (abfd, buf); | |
1846 | cmd->flavours[nflavours].offset = command->offset + offset + 8; | |
1847 | cmd->flavours[nflavours].size = bfd_h_get_32 (abfd, buf + 4) * 4; | |
1848 | offset += cmd->flavours[nflavours].size + 8; | |
1849 | nflavours++; | |
1850 | } | |
1851 | ||
1852 | for (i = 0; i < nflavours; i++) | |
1853 | { | |
1854 | asection *bfdsec; | |
1855 | unsigned int snamelen; | |
1856 | char *sname; | |
1857 | const char *flavourstr; | |
1858 | const char *prefix = "LC_THREAD"; | |
a95a4550 AM |
1859 | unsigned int j = 0; |
1860 | ||
3af9a47b NC |
1861 | switch (mdata->header.cputype) |
1862 | { | |
1863 | case BFD_MACH_O_CPU_TYPE_POWERPC: | |
1e8a024a | 1864 | case BFD_MACH_O_CPU_TYPE_POWERPC_64: |
3af9a47b NC |
1865 | flavourstr = bfd_mach_o_ppc_flavour_string (cmd->flavours[i].flavour); |
1866 | break; | |
1867 | case BFD_MACH_O_CPU_TYPE_I386: | |
1e8a024a | 1868 | case BFD_MACH_O_CPU_TYPE_X86_64: |
3af9a47b NC |
1869 | flavourstr = bfd_mach_o_i386_flavour_string (cmd->flavours[i].flavour); |
1870 | break; | |
1871 | default: | |
1872 | flavourstr = "UNKNOWN_ARCHITECTURE"; | |
1873 | break; | |
1874 | } | |
a95a4550 | 1875 | |
3af9a47b | 1876 | snamelen = strlen (prefix) + 1 + 20 + 1 + strlen (flavourstr) + 1; |
116c20d2 | 1877 | sname = bfd_alloc (abfd, snamelen); |
3af9a47b NC |
1878 | if (sname == NULL) |
1879 | return -1; | |
1880 | ||
1881 | for (;;) | |
1882 | { | |
a95a4550 AM |
1883 | sprintf (sname, "%s.%s.%u", prefix, flavourstr, j); |
1884 | if (bfd_get_section_by_name (abfd, sname) == NULL) | |
3af9a47b | 1885 | break; |
a95a4550 | 1886 | j++; |
3af9a47b NC |
1887 | } |
1888 | ||
117ed4f8 | 1889 | bfdsec = bfd_make_section_with_flags (abfd, sname, SEC_HAS_CONTENTS); |
a95a4550 | 1890 | |
3af9a47b NC |
1891 | bfdsec->vma = 0; |
1892 | bfdsec->lma = 0; | |
eea6121a | 1893 | bfdsec->size = cmd->flavours[i].size; |
3af9a47b NC |
1894 | bfdsec->filepos = cmd->flavours[i].offset; |
1895 | bfdsec->alignment_power = 0x0; | |
3af9a47b NC |
1896 | |
1897 | cmd->section = bfdsec; | |
1898 | } | |
1899 | ||
1900 | return 0; | |
1901 | } | |
1902 | ||
a95a4550 | 1903 | static int |
116c20d2 | 1904 | bfd_mach_o_scan_read_dysymtab (bfd *abfd, bfd_mach_o_load_command *command) |
3af9a47b NC |
1905 | { |
1906 | bfd_mach_o_dysymtab_command *seg = &command->command.dysymtab; | |
1907 | unsigned char buf[72]; | |
1908 | ||
1909 | BFD_ASSERT (command->type == BFD_MACH_O_LC_DYSYMTAB); | |
1910 | ||
c2f09c75 TG |
1911 | if (bfd_seek (abfd, command->offset + 8, SEEK_SET) != 0 |
1912 | || bfd_bread ((PTR) buf, 72, abfd) != 72) | |
3af9a47b NC |
1913 | return -1; |
1914 | ||
1915 | seg->ilocalsym = bfd_h_get_32 (abfd, buf + 0); | |
1916 | seg->nlocalsym = bfd_h_get_32 (abfd, buf + 4); | |
1917 | seg->iextdefsym = bfd_h_get_32 (abfd, buf + 8); | |
1918 | seg->nextdefsym = bfd_h_get_32 (abfd, buf + 12); | |
1919 | seg->iundefsym = bfd_h_get_32 (abfd, buf + 16); | |
1920 | seg->nundefsym = bfd_h_get_32 (abfd, buf + 20); | |
1921 | seg->tocoff = bfd_h_get_32 (abfd, buf + 24); | |
1922 | seg->ntoc = bfd_h_get_32 (abfd, buf + 28); | |
1923 | seg->modtaboff = bfd_h_get_32 (abfd, buf + 32); | |
1924 | seg->nmodtab = bfd_h_get_32 (abfd, buf + 36); | |
1925 | seg->extrefsymoff = bfd_h_get_32 (abfd, buf + 40); | |
1926 | seg->nextrefsyms = bfd_h_get_32 (abfd, buf + 44); | |
1927 | seg->indirectsymoff = bfd_h_get_32 (abfd, buf + 48); | |
1928 | seg->nindirectsyms = bfd_h_get_32 (abfd, buf + 52); | |
1929 | seg->extreloff = bfd_h_get_32 (abfd, buf + 56); | |
1930 | seg->nextrel = bfd_h_get_32 (abfd, buf + 60); | |
1931 | seg->locreloff = bfd_h_get_32 (abfd, buf + 64); | |
1932 | seg->nlocrel = bfd_h_get_32 (abfd, buf + 68); | |
1933 | ||
1934 | return 0; | |
1935 | } | |
1936 | ||
a95a4550 | 1937 | static int |
116c20d2 | 1938 | bfd_mach_o_scan_read_symtab (bfd *abfd, bfd_mach_o_load_command *command) |
3af9a47b NC |
1939 | { |
1940 | bfd_mach_o_symtab_command *seg = &command->command.symtab; | |
1941 | unsigned char buf[16]; | |
3af9a47b NC |
1942 | |
1943 | BFD_ASSERT (command->type == BFD_MACH_O_LC_SYMTAB); | |
1944 | ||
c2f09c75 TG |
1945 | if (bfd_seek (abfd, command->offset + 8, SEEK_SET) != 0 |
1946 | || bfd_bread ((PTR) buf, 16, abfd) != 16) | |
3af9a47b | 1947 | return -1; |
a95a4550 | 1948 | |
3af9a47b NC |
1949 | seg->symoff = bfd_h_get_32 (abfd, buf); |
1950 | seg->nsyms = bfd_h_get_32 (abfd, buf + 4); | |
1951 | seg->stroff = bfd_h_get_32 (abfd, buf + 8); | |
1952 | seg->strsize = bfd_h_get_32 (abfd, buf + 12); | |
1953 | seg->symbols = NULL; | |
1954 | seg->strtab = NULL; | |
1955 | ||
15e1c58a TG |
1956 | if (seg->nsyms != 0) |
1957 | abfd->flags |= HAS_SYMS; | |
1958 | ||
3af9a47b NC |
1959 | return 0; |
1960 | } | |
1961 | ||
15e1c58a TG |
1962 | static int |
1963 | bfd_mach_o_scan_read_uuid (bfd *abfd, bfd_mach_o_load_command *command) | |
1964 | { | |
1965 | bfd_mach_o_uuid_command *cmd = &command->command.uuid; | |
1966 | asection *bfdsec; | |
1967 | char *sname; | |
1968 | static const char prefix[] = "LC_UUID"; | |
1969 | ||
1970 | BFD_ASSERT (command->type == BFD_MACH_O_LC_UUID); | |
1971 | ||
c2f09c75 TG |
1972 | if (bfd_seek (abfd, command->offset + 8, SEEK_SET) != 0 |
1973 | || bfd_bread ((PTR) cmd->uuid, 16, abfd) != 16) | |
15e1c58a TG |
1974 | return -1; |
1975 | ||
1976 | sname = bfd_alloc (abfd, strlen (prefix) + 1); | |
1977 | if (sname == NULL) | |
1978 | return -1; | |
1979 | strcpy (sname, prefix); | |
1980 | ||
1981 | bfdsec = bfd_make_section_anyway_with_flags (abfd, sname, SEC_HAS_CONTENTS); | |
1982 | if (bfdsec == NULL) | |
1983 | return -1; | |
1984 | ||
1985 | bfdsec->vma = 0; | |
1986 | bfdsec->lma = 0; | |
1987 | bfdsec->size = command->len - 8; | |
1988 | bfdsec->filepos = command->offset + 8; | |
1989 | bfdsec->alignment_power = 0; | |
1990 | ||
1991 | cmd->section = bfdsec; | |
1992 | ||
1993 | return 0; | |
1994 | } | |
1995 | ||
3af9a47b | 1996 | static int |
1e8a024a TG |
1997 | bfd_mach_o_scan_read_segment (bfd *abfd, |
1998 | bfd_mach_o_load_command *command, | |
1999 | unsigned int wide) | |
3af9a47b | 2000 | { |
1e8a024a | 2001 | unsigned char buf[64]; |
3af9a47b NC |
2002 | bfd_mach_o_segment_command *seg = &command->command.segment; |
2003 | unsigned long i; | |
a95a4550 | 2004 | |
1e8a024a TG |
2005 | if (wide) |
2006 | { | |
2007 | BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT_64); | |
3af9a47b | 2008 | |
c2f09c75 TG |
2009 | if (bfd_seek (abfd, command->offset + 8, SEEK_SET) != 0 |
2010 | || bfd_bread ((PTR) buf, 64, abfd) != 64) | |
1e8a024a | 2011 | return -1; |
3af9a47b | 2012 | |
1e8a024a | 2013 | memcpy (seg->segname, buf, 16); |
15e1c58a | 2014 | seg->segname[16] = '\0'; |
1e8a024a TG |
2015 | |
2016 | seg->vmaddr = bfd_h_get_64 (abfd, buf + 16); | |
2017 | seg->vmsize = bfd_h_get_64 (abfd, buf + 24); | |
2018 | seg->fileoff = bfd_h_get_64 (abfd, buf + 32); | |
2019 | seg->filesize = bfd_h_get_64 (abfd, buf + 40); | |
2020 | seg->maxprot = bfd_h_get_32 (abfd, buf + 48); | |
2021 | seg->initprot = bfd_h_get_32 (abfd, buf + 52); | |
2022 | seg->nsects = bfd_h_get_32 (abfd, buf + 56); | |
2023 | seg->flags = bfd_h_get_32 (abfd, buf + 60); | |
2024 | } | |
2025 | else | |
2026 | { | |
2027 | BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT); | |
2028 | ||
c2f09c75 TG |
2029 | if (bfd_seek (abfd, command->offset + 8, SEEK_SET) != 0 |
2030 | || bfd_bread ((PTR) buf, 48, abfd) != 48) | |
1e8a024a TG |
2031 | return -1; |
2032 | ||
2033 | memcpy (seg->segname, buf, 16); | |
15e1c58a | 2034 | seg->segname[16] = '\0'; |
1e8a024a TG |
2035 | |
2036 | seg->vmaddr = bfd_h_get_32 (abfd, buf + 16); | |
2037 | seg->vmsize = bfd_h_get_32 (abfd, buf + 20); | |
2038 | seg->fileoff = bfd_h_get_32 (abfd, buf + 24); | |
2039 | seg->filesize = bfd_h_get_32 (abfd, buf + 28); | |
2040 | seg->maxprot = bfd_h_get_32 (abfd, buf + 32); | |
2041 | seg->initprot = bfd_h_get_32 (abfd, buf + 36); | |
2042 | seg->nsects = bfd_h_get_32 (abfd, buf + 40); | |
2043 | seg->flags = bfd_h_get_32 (abfd, buf + 44); | |
2044 | } | |
3af9a47b | 2045 | |
3af9a47b NC |
2046 | if (seg->nsects != 0) |
2047 | { | |
154a1ee5 TG |
2048 | seg->sections = bfd_alloc (abfd, seg->nsects |
2049 | * sizeof (bfd_mach_o_section)); | |
3af9a47b NC |
2050 | if (seg->sections == NULL) |
2051 | return -1; | |
a95a4550 | 2052 | |
3af9a47b NC |
2053 | for (i = 0; i < seg->nsects; i++) |
2054 | { | |
1e8a024a | 2055 | bfd_vma segoff; |
154a1ee5 | 2056 | if (wide) |
c2f09c75 | 2057 | segoff = command->offset + BFD_MACH_O_LC_SEGMENT_64_SIZE |
154a1ee5 TG |
2058 | + (i * BFD_MACH_O_SECTION_64_SIZE); |
2059 | else | |
c2f09c75 | 2060 | segoff = command->offset + BFD_MACH_O_LC_SEGMENT_SIZE |
154a1ee5 | 2061 | + (i * BFD_MACH_O_SECTION_SIZE); |
3af9a47b | 2062 | |
1e8a024a | 2063 | if (bfd_mach_o_scan_read_section |
15e1c58a | 2064 | (abfd, &seg->sections[i], segoff, seg->initprot, wide) != 0) |
3af9a47b | 2065 | return -1; |
a95a4550 | 2066 | } |
3af9a47b NC |
2067 | } |
2068 | ||
2069 | return 0; | |
2070 | } | |
2071 | ||
1e8a024a TG |
2072 | static int |
2073 | bfd_mach_o_scan_read_segment_32 (bfd *abfd, bfd_mach_o_load_command *command) | |
2074 | { | |
2075 | return bfd_mach_o_scan_read_segment (abfd, command, 0); | |
2076 | } | |
2077 | ||
2078 | static int | |
2079 | bfd_mach_o_scan_read_segment_64 (bfd *abfd, bfd_mach_o_load_command *command) | |
2080 | { | |
2081 | return bfd_mach_o_scan_read_segment (abfd, command, 1); | |
2082 | } | |
2083 | ||
3af9a47b | 2084 | static int |
116c20d2 | 2085 | bfd_mach_o_scan_read_command (bfd *abfd, bfd_mach_o_load_command *command) |
3af9a47b NC |
2086 | { |
2087 | unsigned char buf[8]; | |
2088 | ||
c2f09c75 TG |
2089 | if (bfd_seek (abfd, command->offset, SEEK_SET) != 0 |
2090 | || bfd_bread ((PTR) buf, 8, abfd) != 8) | |
3af9a47b NC |
2091 | return -1; |
2092 | ||
154a1ee5 | 2093 | command->type = bfd_h_get_32 (abfd, buf) & ~BFD_MACH_O_LC_REQ_DYLD; |
e84d6fca | 2094 | command->type_required = (bfd_h_get_32 (abfd, buf) & BFD_MACH_O_LC_REQ_DYLD |
154a1ee5 | 2095 | ? TRUE : FALSE); |
3af9a47b NC |
2096 | command->len = bfd_h_get_32 (abfd, buf + 4); |
2097 | ||
2098 | switch (command->type) | |
2099 | { | |
2100 | case BFD_MACH_O_LC_SEGMENT: | |
1e8a024a TG |
2101 | if (bfd_mach_o_scan_read_segment_32 (abfd, command) != 0) |
2102 | return -1; | |
2103 | break; | |
2104 | case BFD_MACH_O_LC_SEGMENT_64: | |
2105 | if (bfd_mach_o_scan_read_segment_64 (abfd, command) != 0) | |
3af9a47b NC |
2106 | return -1; |
2107 | break; | |
2108 | case BFD_MACH_O_LC_SYMTAB: | |
2109 | if (bfd_mach_o_scan_read_symtab (abfd, command) != 0) | |
2110 | return -1; | |
2111 | break; | |
2112 | case BFD_MACH_O_LC_SYMSEG: | |
2113 | break; | |
2114 | case BFD_MACH_O_LC_THREAD: | |
2115 | case BFD_MACH_O_LC_UNIXTHREAD: | |
2116 | if (bfd_mach_o_scan_read_thread (abfd, command) != 0) | |
2117 | return -1; | |
2118 | break; | |
2119 | case BFD_MACH_O_LC_LOAD_DYLINKER: | |
2120 | case BFD_MACH_O_LC_ID_DYLINKER: | |
2121 | if (bfd_mach_o_scan_read_dylinker (abfd, command) != 0) | |
2122 | return -1; | |
2123 | break; | |
2124 | case BFD_MACH_O_LC_LOAD_DYLIB: | |
2125 | case BFD_MACH_O_LC_ID_DYLIB: | |
2126 | case BFD_MACH_O_LC_LOAD_WEAK_DYLIB: | |
2127 | if (bfd_mach_o_scan_read_dylib (abfd, command) != 0) | |
2128 | return -1; | |
2129 | break; | |
2130 | case BFD_MACH_O_LC_PREBOUND_DYLIB: | |
2131 | if (bfd_mach_o_scan_read_prebound_dylib (abfd, command) != 0) | |
2132 | return -1; | |
2133 | break; | |
2134 | case BFD_MACH_O_LC_LOADFVMLIB: | |
2135 | case BFD_MACH_O_LC_IDFVMLIB: | |
2136 | case BFD_MACH_O_LC_IDENT: | |
2137 | case BFD_MACH_O_LC_FVMFILE: | |
2138 | case BFD_MACH_O_LC_PREPAGE: | |
2139 | case BFD_MACH_O_LC_ROUTINES: | |
2140 | case BFD_MACH_O_LC_SUB_FRAMEWORK: | |
2141 | break; | |
2142 | case BFD_MACH_O_LC_DYSYMTAB: | |
2143 | if (bfd_mach_o_scan_read_dysymtab (abfd, command) != 0) | |
2144 | return -1; | |
2145 | break; | |
2146 | case BFD_MACH_O_LC_SUB_UMBRELLA: | |
2147 | case BFD_MACH_O_LC_SUB_CLIENT: | |
2148 | case BFD_MACH_O_LC_SUB_LIBRARY: | |
2149 | case BFD_MACH_O_LC_TWOLEVEL_HINTS: | |
2150 | case BFD_MACH_O_LC_PREBIND_CKSUM: | |
2151 | break; | |
15e1c58a TG |
2152 | case BFD_MACH_O_LC_UUID: |
2153 | if (bfd_mach_o_scan_read_uuid (abfd, command) != 0) | |
2154 | return -1; | |
2155 | break; | |
2156 | case BFD_MACH_O_LC_CODE_SIGNATURE: | |
846b9259 TG |
2157 | case BFD_MACH_O_LC_SEGMENT_SPLIT_INFO: |
2158 | case BFD_MACH_O_LC_REEXPORT_DYLIB: | |
15e1c58a | 2159 | break; |
3af9a47b NC |
2160 | default: |
2161 | fprintf (stderr, "unable to read unknown load command 0x%lx\n", | |
2162 | (unsigned long) command->type); | |
2163 | break; | |
2164 | } | |
2165 | ||
2166 | return 0; | |
2167 | } | |
2168 | ||
2169 | static void | |
116c20d2 | 2170 | bfd_mach_o_flatten_sections (bfd *abfd) |
3af9a47b NC |
2171 | { |
2172 | bfd_mach_o_data_struct *mdata = abfd->tdata.mach_o_data; | |
2173 | long csect = 0; | |
2174 | unsigned long i, j; | |
a95a4550 | 2175 | |
15e1c58a | 2176 | /* Count total number of sections. */ |
3af9a47b NC |
2177 | mdata->nsects = 0; |
2178 | ||
2179 | for (i = 0; i < mdata->header.ncmds; i++) | |
2180 | { | |
1e8a024a TG |
2181 | if (mdata->commands[i].type == BFD_MACH_O_LC_SEGMENT |
2182 | || mdata->commands[i].type == BFD_MACH_O_LC_SEGMENT_64) | |
3af9a47b | 2183 | { |
e84d6fca AM |
2184 | bfd_mach_o_segment_command *seg; |
2185 | ||
2186 | seg = &mdata->commands[i].command.segment; | |
3af9a47b NC |
2187 | mdata->nsects += seg->nsects; |
2188 | } | |
2189 | } | |
2190 | ||
15e1c58a | 2191 | /* Allocate sections array. */ |
e84d6fca AM |
2192 | mdata->sections = bfd_alloc (abfd, |
2193 | mdata->nsects * sizeof (bfd_mach_o_section *)); | |
15e1c58a TG |
2194 | |
2195 | /* Fill the array. */ | |
3af9a47b NC |
2196 | csect = 0; |
2197 | ||
2198 | for (i = 0; i < mdata->header.ncmds; i++) | |
2199 | { | |
1e8a024a TG |
2200 | if (mdata->commands[i].type == BFD_MACH_O_LC_SEGMENT |
2201 | || mdata->commands[i].type == BFD_MACH_O_LC_SEGMENT_64) | |
3af9a47b | 2202 | { |
e84d6fca | 2203 | bfd_mach_o_segment_command *seg; |
3af9a47b | 2204 | |
e84d6fca | 2205 | seg = &mdata->commands[i].command.segment; |
3af9a47b NC |
2206 | BFD_ASSERT (csect + seg->nsects <= mdata->nsects); |
2207 | ||
2208 | for (j = 0; j < seg->nsects; j++) | |
2209 | mdata->sections[csect++] = &seg->sections[j]; | |
2210 | } | |
2211 | } | |
2212 | } | |
2213 | ||
2214 | int | |
116c20d2 | 2215 | bfd_mach_o_scan_start_address (bfd *abfd) |
3af9a47b NC |
2216 | { |
2217 | bfd_mach_o_data_struct *mdata = abfd->tdata.mach_o_data; | |
2218 | bfd_mach_o_thread_command *cmd = NULL; | |
2219 | unsigned long i; | |
2220 | ||
2221 | for (i = 0; i < mdata->header.ncmds; i++) | |
2222 | { | |
2223 | if ((mdata->commands[i].type == BFD_MACH_O_LC_THREAD) || | |
2224 | (mdata->commands[i].type == BFD_MACH_O_LC_UNIXTHREAD)) | |
2225 | { | |
2226 | if (cmd == NULL) | |
2227 | cmd = &mdata->commands[i].command.thread; | |
2228 | else | |
2229 | return 0; | |
2230 | } | |
2231 | } | |
2232 | ||
2233 | if (cmd == NULL) | |
2234 | return 0; | |
2235 | ||
2236 | for (i = 0; i < cmd->nflavours; i++) | |
2237 | { | |
a95a4550 | 2238 | if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_I386) |
e84d6fca | 2239 | && (cmd->flavours[i].flavour |
15e1c58a | 2240 | == (unsigned long) BFD_MACH_O_x86_THREAD_STATE32)) |
3af9a47b NC |
2241 | { |
2242 | unsigned char buf[4]; | |
2243 | ||
c2f09c75 TG |
2244 | if (bfd_seek (abfd, cmd->flavours[i].offset + 40, SEEK_SET) != 0 |
2245 | || bfd_bread (buf, 4, abfd) != 4) | |
3af9a47b NC |
2246 | return -1; |
2247 | ||
2248 | abfd->start_address = bfd_h_get_32 (abfd, buf); | |
2249 | } | |
a95a4550 | 2250 | else if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_POWERPC) |
3af9a47b NC |
2251 | && (cmd->flavours[i].flavour == BFD_MACH_O_PPC_THREAD_STATE)) |
2252 | { | |
2253 | unsigned char buf[4]; | |
2254 | ||
c2f09c75 TG |
2255 | if (bfd_seek (abfd, cmd->flavours[i].offset + 0, SEEK_SET) != 0 |
2256 | || bfd_bread (buf, 4, abfd) != 4) | |
3af9a47b NC |
2257 | return -1; |
2258 | ||
2259 | abfd->start_address = bfd_h_get_32 (abfd, buf); | |
2260 | } | |
1e8a024a TG |
2261 | else if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_POWERPC_64) |
2262 | && (cmd->flavours[i].flavour == BFD_MACH_O_PPC_THREAD_STATE_64)) | |
2263 | { | |
2264 | unsigned char buf[8]; | |
2265 | ||
c2f09c75 TG |
2266 | if (bfd_seek (abfd, cmd->flavours[i].offset + 0, SEEK_SET) != 0 |
2267 | || bfd_bread (buf, 8, abfd) != 8) | |
1e8a024a TG |
2268 | return -1; |
2269 | ||
2270 | abfd->start_address = bfd_h_get_64 (abfd, buf); | |
2271 | } | |
2272 | else if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_X86_64) | |
2273 | && (cmd->flavours[i].flavour == BFD_MACH_O_x86_THREAD_STATE64)) | |
2274 | { | |
2275 | unsigned char buf[8]; | |
2276 | ||
c2f09c75 TG |
2277 | if (bfd_seek (abfd, cmd->flavours[i].offset + (16 * 8), SEEK_SET) != 0 |
2278 | || bfd_bread (buf, 8, abfd) != 8) | |
1e8a024a TG |
2279 | return -1; |
2280 | ||
2281 | abfd->start_address = bfd_h_get_64 (abfd, buf); | |
2282 | } | |
3af9a47b NC |
2283 | } |
2284 | ||
2285 | return 0; | |
2286 | } | |
2287 | ||
2288 | int | |
116c20d2 NC |
2289 | bfd_mach_o_scan (bfd *abfd, |
2290 | bfd_mach_o_header *header, | |
2291 | bfd_mach_o_data_struct *mdata) | |
3af9a47b NC |
2292 | { |
2293 | unsigned int i; | |
3af9a47b NC |
2294 | enum bfd_architecture cputype; |
2295 | unsigned long cpusubtype; | |
1e8a024a TG |
2296 | unsigned int hdrsize; |
2297 | ||
c2f09c75 | 2298 | hdrsize = mach_o_wide_p (header) ? |
154a1ee5 | 2299 | BFD_MACH_O_HEADER_64_SIZE : BFD_MACH_O_HEADER_SIZE; |
3af9a47b | 2300 | |
3af9a47b | 2301 | mdata->header = *header; |
3af9a47b | 2302 | |
154a1ee5 | 2303 | abfd->flags = abfd->flags & BFD_IN_MEMORY; |
15e1c58a TG |
2304 | switch (header->filetype) |
2305 | { | |
2306 | case BFD_MACH_O_MH_OBJECT: | |
2307 | abfd->flags |= HAS_RELOC; | |
2308 | break; | |
2309 | case BFD_MACH_O_MH_EXECUTE: | |
2310 | abfd->flags |= EXEC_P; | |
2311 | break; | |
2312 | case BFD_MACH_O_MH_DYLIB: | |
2313 | case BFD_MACH_O_MH_BUNDLE: | |
2314 | abfd->flags |= DYNAMIC; | |
2315 | break; | |
2316 | } | |
2317 | ||
3af9a47b NC |
2318 | abfd->tdata.mach_o_data = mdata; |
2319 | ||
e84d6fca AM |
2320 | bfd_mach_o_convert_architecture (header->cputype, header->cpusubtype, |
2321 | &cputype, &cpusubtype); | |
3af9a47b NC |
2322 | if (cputype == bfd_arch_unknown) |
2323 | { | |
2324 | fprintf (stderr, "bfd_mach_o_scan: unknown architecture 0x%lx/0x%lx\n", | |
2325 | header->cputype, header->cpusubtype); | |
2326 | return -1; | |
2327 | } | |
2328 | ||
2329 | bfd_set_arch_mach (abfd, cputype, cpusubtype); | |
a95a4550 | 2330 | |
3af9a47b NC |
2331 | if (header->ncmds != 0) |
2332 | { | |
116c20d2 | 2333 | mdata->commands = bfd_alloc (abfd, header->ncmds * sizeof (bfd_mach_o_load_command)); |
3af9a47b NC |
2334 | if (mdata->commands == NULL) |
2335 | return -1; | |
a95a4550 | 2336 | |
3af9a47b NC |
2337 | for (i = 0; i < header->ncmds; i++) |
2338 | { | |
2339 | bfd_mach_o_load_command *cur = &mdata->commands[i]; | |
2340 | ||
2341 | if (i == 0) | |
1e8a024a | 2342 | cur->offset = hdrsize; |
3af9a47b NC |
2343 | else |
2344 | { | |
2345 | bfd_mach_o_load_command *prev = &mdata->commands[i - 1]; | |
2346 | cur->offset = prev->offset + prev->len; | |
2347 | } | |
2348 | ||
2349 | if (bfd_mach_o_scan_read_command (abfd, cur) < 0) | |
2350 | return -1; | |
a95a4550 | 2351 | } |
3af9a47b NC |
2352 | } |
2353 | ||
2354 | if (bfd_mach_o_scan_start_address (abfd) < 0) | |
7e3102a7 | 2355 | return -1; |
3af9a47b NC |
2356 | |
2357 | bfd_mach_o_flatten_sections (abfd); | |
3af9a47b NC |
2358 | return 0; |
2359 | } | |
2360 | ||
b34976b6 | 2361 | bfd_boolean |
154a1ee5 | 2362 | bfd_mach_o_mkobject_init (bfd *abfd) |
3af9a47b NC |
2363 | { |
2364 | bfd_mach_o_data_struct *mdata = NULL; | |
2365 | ||
116c20d2 | 2366 | mdata = bfd_alloc (abfd, sizeof (bfd_mach_o_data_struct)); |
3af9a47b | 2367 | if (mdata == NULL) |
b34976b6 | 2368 | return FALSE; |
3af9a47b NC |
2369 | abfd->tdata.mach_o_data = mdata; |
2370 | ||
2371 | mdata->header.magic = 0; | |
2372 | mdata->header.cputype = 0; | |
2373 | mdata->header.cpusubtype = 0; | |
2374 | mdata->header.filetype = 0; | |
2375 | mdata->header.ncmds = 0; | |
2376 | mdata->header.sizeofcmds = 0; | |
2377 | mdata->header.flags = 0; | |
2378 | mdata->header.byteorder = BFD_ENDIAN_UNKNOWN; | |
2379 | mdata->commands = NULL; | |
3af9a47b NC |
2380 | mdata->nsects = 0; |
2381 | mdata->sections = NULL; | |
3af9a47b | 2382 | |
b34976b6 | 2383 | return TRUE; |
3af9a47b NC |
2384 | } |
2385 | ||
2386 | const bfd_target * | |
154a1ee5 TG |
2387 | bfd_mach_o_header_p (bfd *abfd, |
2388 | bfd_mach_o_filetype filetype, | |
2389 | bfd_mach_o_cpu_type cputype) | |
3af9a47b | 2390 | { |
e84d6fca | 2391 | struct bfd_preserve preserve; |
3af9a47b NC |
2392 | bfd_mach_o_header header; |
2393 | ||
e84d6fca | 2394 | preserve.marker = NULL; |
154a1ee5 | 2395 | if (!bfd_mach_o_read_header (abfd, &header)) |
e84d6fca | 2396 | goto wrong; |
3af9a47b | 2397 | |
e84d6fca AM |
2398 | if (! (header.byteorder == BFD_ENDIAN_BIG |
2399 | || header.byteorder == BFD_ENDIAN_LITTLE)) | |
3af9a47b | 2400 | { |
e84d6fca | 2401 | fprintf (stderr, "unknown header byte-order value 0x%lx\n", |
0af1713e | 2402 | (unsigned long) header.byteorder); |
e84d6fca | 2403 | goto wrong; |
3af9a47b NC |
2404 | } |
2405 | ||
e84d6fca AM |
2406 | if (! ((header.byteorder == BFD_ENDIAN_BIG |
2407 | && abfd->xvec->byteorder == BFD_ENDIAN_BIG | |
2408 | && abfd->xvec->header_byteorder == BFD_ENDIAN_BIG) | |
2409 | || (header.byteorder == BFD_ENDIAN_LITTLE | |
2410 | && abfd->xvec->byteorder == BFD_ENDIAN_LITTLE | |
2411 | && abfd->xvec->header_byteorder == BFD_ENDIAN_LITTLE))) | |
2412 | goto wrong; | |
3af9a47b | 2413 | |
154a1ee5 TG |
2414 | /* Check cputype and filetype. |
2415 | In case of wildcard, do not accept magics that are handled by existing | |
2416 | targets. */ | |
2417 | if (cputype) | |
2418 | { | |
2419 | if (header.cputype != cputype) | |
2420 | goto wrong; | |
2421 | } | |
2422 | else | |
2423 | { | |
2424 | switch (header.cputype) | |
2425 | { | |
2426 | case BFD_MACH_O_CPU_TYPE_I386: | |
2427 | /* Handled by mach-o-i386 */ | |
2428 | goto wrong; | |
2429 | default: | |
2430 | break; | |
2431 | } | |
2432 | } | |
2433 | if (filetype) | |
2434 | { | |
2435 | if (header.filetype != filetype) | |
2436 | goto wrong; | |
2437 | } | |
2438 | else | |
2439 | { | |
2440 | switch (header.filetype) | |
2441 | { | |
2442 | case BFD_MACH_O_MH_CORE: | |
2443 | /* Handled by core_p */ | |
2444 | goto wrong; | |
2445 | default: | |
2446 | break; | |
2447 | } | |
2448 | } | |
2449 | ||
e84d6fca AM |
2450 | preserve.marker = bfd_zalloc (abfd, sizeof (bfd_mach_o_data_struct)); |
2451 | if (preserve.marker == NULL | |
2452 | || !bfd_preserve_save (abfd, &preserve)) | |
2453 | goto fail; | |
3af9a47b | 2454 | |
e84d6fca AM |
2455 | if (bfd_mach_o_scan (abfd, &header, |
2456 | (bfd_mach_o_data_struct *) preserve.marker) != 0) | |
2457 | goto wrong; | |
a95a4550 | 2458 | |
e84d6fca | 2459 | bfd_preserve_finish (abfd, &preserve); |
3af9a47b | 2460 | return abfd->xvec; |
e84d6fca AM |
2461 | |
2462 | wrong: | |
2463 | bfd_set_error (bfd_error_wrong_format); | |
2464 | ||
2465 | fail: | |
2466 | if (preserve.marker != NULL) | |
2467 | bfd_preserve_restore (abfd, &preserve); | |
2468 | return NULL; | |
3af9a47b NC |
2469 | } |
2470 | ||
154a1ee5 TG |
2471 | static const bfd_target * |
2472 | bfd_mach_o_gen_object_p (bfd *abfd) | |
3af9a47b | 2473 | { |
154a1ee5 TG |
2474 | return bfd_mach_o_header_p (abfd, 0, 0); |
2475 | } | |
e84d6fca | 2476 | |
154a1ee5 TG |
2477 | static const bfd_target * |
2478 | bfd_mach_o_gen_core_p (bfd *abfd) | |
2479 | { | |
2480 | return bfd_mach_o_header_p (abfd, BFD_MACH_O_MH_CORE, 0); | |
3af9a47b NC |
2481 | } |
2482 | ||
2483 | typedef struct mach_o_fat_archentry | |
2484 | { | |
2485 | unsigned long cputype; | |
2486 | unsigned long cpusubtype; | |
2487 | unsigned long offset; | |
2488 | unsigned long size; | |
2489 | unsigned long align; | |
3af9a47b NC |
2490 | } mach_o_fat_archentry; |
2491 | ||
2492 | typedef struct mach_o_fat_data_struct | |
2493 | { | |
2494 | unsigned long magic; | |
2495 | unsigned long nfat_arch; | |
2496 | mach_o_fat_archentry *archentries; | |
2497 | } mach_o_fat_data_struct; | |
2498 | ||
2499 | const bfd_target * | |
116c20d2 | 2500 | bfd_mach_o_archive_p (bfd *abfd) |
3af9a47b | 2501 | { |
e84d6fca | 2502 | mach_o_fat_data_struct *adata = NULL; |
3af9a47b NC |
2503 | unsigned char buf[20]; |
2504 | unsigned long i; | |
2505 | ||
c2f09c75 TG |
2506 | if (bfd_seek (abfd, 0, SEEK_SET) != 0 |
2507 | || bfd_bread ((PTR) buf, 8, abfd) != 8) | |
e84d6fca | 2508 | goto error; |
3af9a47b | 2509 | |
116c20d2 | 2510 | adata = bfd_alloc (abfd, sizeof (mach_o_fat_data_struct)); |
3af9a47b | 2511 | if (adata == NULL) |
e84d6fca | 2512 | goto error; |
a95a4550 | 2513 | |
3af9a47b NC |
2514 | adata->magic = bfd_getb32 (buf); |
2515 | adata->nfat_arch = bfd_getb32 (buf + 4); | |
2516 | if (adata->magic != 0xcafebabe) | |
e84d6fca | 2517 | goto error; |
27cc28f9 AS |
2518 | /* Avoid matching Java bytecode files, which have the same magic number. |
2519 | In the Java bytecode file format this field contains the JVM version, | |
2520 | which starts at 43.0. */ | |
2521 | if (adata->nfat_arch > 30) | |
2522 | goto error; | |
3af9a47b | 2523 | |
c2f09c75 | 2524 | adata->archentries = |
3af9a47b NC |
2525 | bfd_alloc (abfd, adata->nfat_arch * sizeof (mach_o_fat_archentry)); |
2526 | if (adata->archentries == NULL) | |
e84d6fca | 2527 | goto error; |
3af9a47b NC |
2528 | |
2529 | for (i = 0; i < adata->nfat_arch; i++) | |
2530 | { | |
c2f09c75 TG |
2531 | if (bfd_seek (abfd, 8 + 20 * i, SEEK_SET) != 0 |
2532 | || bfd_bread ((PTR) buf, 20, abfd) != 20) | |
e84d6fca | 2533 | goto error; |
3af9a47b NC |
2534 | adata->archentries[i].cputype = bfd_getb32 (buf); |
2535 | adata->archentries[i].cpusubtype = bfd_getb32 (buf + 4); | |
2536 | adata->archentries[i].offset = bfd_getb32 (buf + 8); | |
2537 | adata->archentries[i].size = bfd_getb32 (buf + 12); | |
2538 | adata->archentries[i].align = bfd_getb32 (buf + 16); | |
3af9a47b NC |
2539 | } |
2540 | ||
2541 | abfd->tdata.mach_o_fat_data = adata; | |
2542 | return abfd->xvec; | |
e84d6fca AM |
2543 | |
2544 | error: | |
2545 | if (adata != NULL) | |
2546 | bfd_release (abfd, adata); | |
2547 | bfd_set_error (bfd_error_wrong_format); | |
2548 | return NULL; | |
3af9a47b NC |
2549 | } |
2550 | ||
2551 | bfd * | |
116c20d2 | 2552 | bfd_mach_o_openr_next_archived_file (bfd *archive, bfd *prev) |
3af9a47b | 2553 | { |
e84d6fca | 2554 | mach_o_fat_data_struct *adata; |
3af9a47b NC |
2555 | mach_o_fat_archentry *entry = NULL; |
2556 | unsigned long i; | |
15e1c58a | 2557 | bfd *nbfd; |
15e1c58a TG |
2558 | enum bfd_architecture arch_type; |
2559 | unsigned long arch_subtype; | |
3af9a47b | 2560 | |
e84d6fca | 2561 | adata = (mach_o_fat_data_struct *) archive->tdata.mach_o_fat_data; |
3af9a47b NC |
2562 | BFD_ASSERT (adata != NULL); |
2563 | ||
2564 | /* Find index of previous entry. */ | |
2565 | if (prev == NULL) | |
2566 | i = 0; /* Start at first one. */ | |
2567 | else | |
2568 | { | |
2569 | for (i = 0; i < adata->nfat_arch; i++) | |
2570 | { | |
15e1c58a | 2571 | if (adata->archentries[i].offset == prev->origin) |
3af9a47b NC |
2572 | break; |
2573 | } | |
2574 | ||
2575 | if (i == adata->nfat_arch) | |
2576 | { | |
2577 | /* Not found. */ | |
2578 | bfd_set_error (bfd_error_bad_value); | |
a95a4550 | 2579 | return NULL; |
3af9a47b NC |
2580 | } |
2581 | i++; /* Get next entry. */ | |
2582 | } | |
a95a4550 | 2583 | |
3af9a47b NC |
2584 | if (i >= adata->nfat_arch) |
2585 | { | |
2586 | bfd_set_error (bfd_error_no_more_archived_files); | |
2587 | return NULL; | |
2588 | } | |
2589 | ||
2590 | entry = &adata->archentries[i]; | |
15e1c58a TG |
2591 | nbfd = _bfd_new_bfd_contained_in (archive); |
2592 | if (nbfd == NULL) | |
2593 | return NULL; | |
2594 | ||
2595 | nbfd->origin = entry->offset; | |
2596 | ||
2597 | bfd_mach_o_convert_architecture (entry->cputype, entry->cpusubtype, | |
2598 | &arch_type, &arch_subtype); | |
846b9259 TG |
2599 | /* Create the member filename. |
2600 | Use FILENAME:ARCH_NAME. */ | |
2601 | { | |
2602 | char *s = NULL; | |
2603 | const char *arch_name; | |
2604 | size_t arch_file_len = strlen (bfd_get_filename (archive)); | |
2605 | ||
2606 | arch_name = bfd_printable_arch_mach (arch_type, arch_subtype); | |
2607 | s = bfd_malloc (arch_file_len + 1 + strlen (arch_name) + 1); | |
2608 | if (s == NULL) | |
2609 | return NULL; | |
2610 | memcpy (s, bfd_get_filename (archive), arch_file_len); | |
2611 | s[arch_file_len] = ':'; | |
2612 | strcpy (s + arch_file_len + 1, arch_name); | |
2613 | nbfd->filename = s; | |
2614 | } | |
15e1c58a | 2615 | nbfd->iostream = NULL; |
846b9259 | 2616 | bfd_set_arch_mach (nbfd, arch_type, arch_subtype); |
3af9a47b | 2617 | |
15e1c58a | 2618 | return nbfd; |
3af9a47b NC |
2619 | } |
2620 | ||
846b9259 TG |
2621 | /* If ABFD format is FORMAT and architecture is ARCH, return it. |
2622 | If ABFD is a fat image containing a member that corresponds to FORMAT | |
2623 | and ARCH, returns it. | |
2624 | In other case, returns NULL. | |
2625 | This function allows transparent uses of fat images. */ | |
2626 | bfd * | |
2627 | bfd_mach_o_fat_extract (bfd *abfd, | |
2628 | bfd_format format, | |
2629 | const bfd_arch_info_type *arch) | |
2630 | { | |
2631 | bfd *res; | |
2632 | mach_o_fat_data_struct *adata; | |
2633 | unsigned int i; | |
2634 | ||
2635 | if (bfd_check_format (abfd, format)) | |
2636 | { | |
2637 | if (bfd_get_arch_info (abfd) == arch) | |
2638 | return abfd; | |
2639 | return NULL; | |
2640 | } | |
2641 | if (!bfd_check_format (abfd, bfd_archive) | |
2642 | || abfd->xvec != &mach_o_fat_vec) | |
2643 | return NULL; | |
c2f09c75 | 2644 | |
846b9259 TG |
2645 | /* This is a Mach-O fat image. */ |
2646 | adata = (mach_o_fat_data_struct *) abfd->tdata.mach_o_fat_data; | |
2647 | BFD_ASSERT (adata != NULL); | |
2648 | ||
2649 | for (i = 0; i < adata->nfat_arch; i++) | |
2650 | { | |
2651 | struct mach_o_fat_archentry *e = &adata->archentries[i]; | |
2652 | enum bfd_architecture cpu_type; | |
2653 | unsigned long cpu_subtype; | |
2654 | ||
2655 | bfd_mach_o_convert_architecture (e->cputype, e->cpusubtype, | |
2656 | &cpu_type, &cpu_subtype); | |
2657 | if (cpu_type != arch->arch || cpu_subtype != arch->mach) | |
2658 | continue; | |
2659 | ||
2660 | /* The architecture is found. */ | |
2661 | res = _bfd_new_bfd_contained_in (abfd); | |
2662 | if (res == NULL) | |
2663 | return NULL; | |
2664 | ||
2665 | res->origin = e->offset; | |
2666 | ||
2667 | res->filename = strdup (abfd->filename); | |
2668 | res->iostream = NULL; | |
2669 | ||
2670 | if (bfd_check_format (res, format)) | |
2671 | { | |
2672 | BFD_ASSERT (bfd_get_arch_info (res) == arch); | |
2673 | return res; | |
2674 | } | |
2675 | bfd_close (res); | |
2676 | return NULL; | |
2677 | } | |
2678 | ||
2679 | return NULL; | |
2680 | } | |
2681 | ||
e84d6fca | 2682 | int |
116c20d2 NC |
2683 | bfd_mach_o_lookup_section (bfd *abfd, |
2684 | asection *section, | |
2685 | bfd_mach_o_load_command **mcommand, | |
2686 | bfd_mach_o_section **msection) | |
3af9a47b NC |
2687 | { |
2688 | struct mach_o_data_struct *md = abfd->tdata.mach_o_data; | |
2689 | unsigned int i, j, num; | |
2690 | ||
2691 | bfd_mach_o_load_command *ncmd = NULL; | |
2692 | bfd_mach_o_section *nsect = NULL; | |
2693 | ||
2694 | BFD_ASSERT (mcommand != NULL); | |
2695 | BFD_ASSERT (msection != NULL); | |
2696 | ||
2697 | num = 0; | |
2698 | for (i = 0; i < md->header.ncmds; i++) | |
2699 | { | |
2700 | struct bfd_mach_o_load_command *cmd = &md->commands[i]; | |
2701 | struct bfd_mach_o_segment_command *seg = NULL; | |
2702 | ||
1e8a024a TG |
2703 | if (cmd->type != BFD_MACH_O_LC_SEGMENT |
2704 | || cmd->type != BFD_MACH_O_LC_SEGMENT_64) | |
3af9a47b NC |
2705 | continue; |
2706 | seg = &cmd->command.segment; | |
a95a4550 | 2707 | |
3af9a47b NC |
2708 | if (seg->segment == section) |
2709 | { | |
2710 | if (num == 0) | |
2711 | ncmd = cmd; | |
2712 | num++; | |
2713 | } | |
2714 | ||
2715 | for (j = 0; j < seg->nsects; j++) | |
2716 | { | |
2717 | struct bfd_mach_o_section *sect = &seg->sections[j]; | |
2718 | ||
2719 | if (sect->bfdsection == section) | |
2720 | { | |
2721 | if (num == 0) | |
2722 | nsect = sect; | |
2723 | num++; | |
2724 | } | |
2725 | } | |
2726 | } | |
a95a4550 | 2727 | |
3af9a47b NC |
2728 | *mcommand = ncmd; |
2729 | *msection = nsect; | |
2730 | return num; | |
2731 | } | |
2732 | ||
2733 | int | |
116c20d2 NC |
2734 | bfd_mach_o_lookup_command (bfd *abfd, |
2735 | bfd_mach_o_load_command_type type, | |
2736 | bfd_mach_o_load_command **mcommand) | |
3af9a47b NC |
2737 | { |
2738 | struct mach_o_data_struct *md = NULL; | |
2739 | bfd_mach_o_load_command *ncmd = NULL; | |
2740 | unsigned int i, num; | |
2741 | ||
2742 | md = abfd->tdata.mach_o_data; | |
2743 | ||
2744 | BFD_ASSERT (md != NULL); | |
2745 | BFD_ASSERT (mcommand != NULL); | |
2746 | ||
2747 | num = 0; | |
2748 | for (i = 0; i < md->header.ncmds; i++) | |
2749 | { | |
2750 | struct bfd_mach_o_load_command *cmd = &md->commands[i]; | |
2751 | ||
2752 | if (cmd->type != type) | |
2753 | continue; | |
2754 | ||
2755 | if (num == 0) | |
2756 | ncmd = cmd; | |
2757 | num++; | |
2758 | } | |
2759 | ||
2760 | *mcommand = ncmd; | |
2761 | return num; | |
2762 | } | |
2763 | ||
2764 | unsigned long | |
116c20d2 | 2765 | bfd_mach_o_stack_addr (enum bfd_mach_o_cpu_type type) |
3af9a47b NC |
2766 | { |
2767 | switch (type) | |
2768 | { | |
2769 | case BFD_MACH_O_CPU_TYPE_MC680x0: | |
2770 | return 0x04000000; | |
2771 | case BFD_MACH_O_CPU_TYPE_MC88000: | |
2772 | return 0xffffe000; | |
2773 | case BFD_MACH_O_CPU_TYPE_POWERPC: | |
2774 | return 0xc0000000; | |
2775 | case BFD_MACH_O_CPU_TYPE_I386: | |
2776 | return 0xc0000000; | |
2777 | case BFD_MACH_O_CPU_TYPE_SPARC: | |
2778 | return 0xf0000000; | |
2779 | case BFD_MACH_O_CPU_TYPE_I860: | |
2780 | return 0; | |
2781 | case BFD_MACH_O_CPU_TYPE_HPPA: | |
e84d6fca | 2782 | return 0xc0000000 - 0x04000000; |
3af9a47b NC |
2783 | default: |
2784 | return 0; | |
2785 | } | |
2786 | } | |
2787 | ||
154a1ee5 | 2788 | bfd_boolean |
15e1c58a TG |
2789 | bfd_mach_o_bfd_print_private_bfd_data (bfd *abfd, PTR ptr) |
2790 | { | |
2791 | bfd_mach_o_data_struct *mdata = abfd->tdata.mach_o_data; | |
2792 | FILE *file = (FILE *) ptr; | |
2793 | unsigned int i, j; | |
2794 | unsigned int sec_nbr = 0; | |
2795 | ||
2796 | fprintf (file, _("Segments and Sections:\n")); | |
2797 | fprintf (file, _(" #: Segment name Section name Address\n")); | |
2798 | ||
2799 | for (i = 0; i < mdata->header.ncmds; i++) | |
2800 | { | |
2801 | bfd_mach_o_segment_command *seg; | |
2802 | ||
2803 | if (mdata->commands[i].type != BFD_MACH_O_LC_SEGMENT | |
2804 | && mdata->commands[i].type != BFD_MACH_O_LC_SEGMENT_64) | |
2805 | continue; | |
2806 | ||
2807 | seg = &mdata->commands[i].command.segment; | |
2808 | ||
2809 | fprintf (file, "[Segment %-16s ", seg->segname); | |
2810 | fprintf_vma (file, seg->vmaddr); | |
2811 | fprintf (file, "-"); | |
2812 | fprintf_vma (file, seg->vmaddr + seg->vmsize - 1); | |
2813 | fputc (' ', file); | |
2814 | fputc (seg->initprot & BFD_MACH_O_PROT_READ ? 'r' : '-', file); | |
2815 | fputc (seg->initprot & BFD_MACH_O_PROT_WRITE ? 'w' : '-', file); | |
2816 | fputc (seg->initprot & BFD_MACH_O_PROT_EXECUTE ? 'x' : '-', file); | |
2817 | fprintf (file, "]\n"); | |
2818 | for (j = 0; j < seg->nsects; j++) | |
2819 | { | |
2820 | bfd_mach_o_section *sec = &seg->sections[j]; | |
2821 | fprintf (file, "%02u: %-16s %-16s ", ++sec_nbr, | |
2822 | sec->segname, sec->sectname); | |
2823 | fprintf_vma (file, sec->addr); | |
2824 | fprintf (file, " "); | |
2825 | fprintf_vma (file, sec->size); | |
2826 | fprintf (file, " %08lx\n", sec->flags); | |
2827 | } | |
2828 | } | |
2829 | ||
2830 | for (i = 0; i < mdata->header.ncmds; i++) | |
2831 | { | |
2832 | bfd_mach_o_load_command *cmd = &mdata->commands[i]; | |
2833 | ||
2834 | switch (cmd->type) | |
2835 | { | |
2836 | case BFD_MACH_O_LC_SEGMENT: | |
2837 | case BFD_MACH_O_LC_SEGMENT_64: | |
2838 | break; | |
2839 | case BFD_MACH_O_LC_UUID: | |
2840 | { | |
2841 | bfd_mach_o_uuid_command *uuid = &cmd->command.uuid; | |
2842 | unsigned int i; | |
2843 | ||
2844 | fprintf (file, "\n" | |
2845 | "UUID:"); | |
2846 | for (i = 0; i < sizeof (uuid->uuid); i++) | |
2847 | fprintf (file, " %02x", uuid->uuid[i]); | |
2848 | fputc ('\n', file); | |
2849 | } | |
2850 | break; | |
2851 | case BFD_MACH_O_LC_LOAD_DYLIB: | |
2852 | { | |
2853 | bfd_mach_o_dylib_command *dylib = &cmd->command.dylib; | |
2854 | bfd_byte *data = NULL; | |
2855 | ||
2856 | if (! bfd_malloc_and_get_section (abfd, dylib->section, &data)) | |
2857 | { | |
2858 | if (data != NULL) | |
2859 | free (data); | |
2860 | break; | |
2861 | } | |
2862 | fprintf (file, "\n" | |
2863 | "LOAD_DYLIB: %s\n", | |
2864 | data + dylib->name_offset - cmd->offset - 8); | |
2865 | fprintf (file, " time stamp: 0x%08lx\n", | |
2866 | dylib->timestamp); | |
2867 | fprintf (file, " current version: 0x%08lx\n", | |
2868 | dylib->current_version); | |
2869 | fprintf (file, " comptibility version: 0x%08lx\n", | |
2870 | dylib->compatibility_version); | |
2871 | free (data); | |
2872 | break; | |
2873 | } | |
2874 | case BFD_MACH_O_LC_LOAD_DYLINKER: | |
2875 | { | |
2876 | bfd_mach_o_dylinker_command *linker = &cmd->command.dylinker; | |
2877 | bfd_byte *data = NULL; | |
2878 | ||
2879 | if (! bfd_malloc_and_get_section (abfd, linker->section, &data)) | |
2880 | { | |
2881 | if (data != NULL) | |
2882 | free (data); | |
2883 | break; | |
2884 | } | |
2885 | fprintf (file, "\n" | |
2886 | "LOAD_DYLINKER: %s\n", | |
2887 | data + linker->name_offset - cmd->offset - 8); | |
2888 | free (data); | |
2889 | break; | |
2890 | } | |
2891 | case BFD_MACH_O_LC_SYMTAB: | |
2892 | { | |
2893 | bfd_mach_o_symtab_command *symtab = &cmd->command.symtab; | |
2894 | fprintf (file, "\n" | |
92bc0e80 | 2895 | "LC_SYMTAB: nsyms: %u, strsize: %u\n", |
15e1c58a TG |
2896 | symtab->nsyms, symtab->strsize); |
2897 | break; | |
2898 | } | |
2899 | case BFD_MACH_O_LC_DYSYMTAB: | |
2900 | { | |
2901 | bfd_mach_o_dysymtab_command *dysymtab = &cmd->command.dysymtab; | |
2902 | fprintf (file, "\n" | |
2903 | "LC_DYSYMTAB:\n" | |
2904 | " local symbols: index: %lu number: %lu\n", | |
2905 | dysymtab->ilocalsym, dysymtab->nlocalsym); | |
2906 | fprintf (file, | |
2907 | " external symbols: index: %lu number: %lu\n", | |
2908 | dysymtab->iextdefsym, dysymtab->nextdefsym); | |
2909 | fprintf (file, | |
2910 | " undefined symbols: index: %lu number: %lu\n", | |
2911 | dysymtab->iundefsym, dysymtab->nundefsym); | |
2912 | fprintf (file, | |
2913 | " ntoc: offset: %lu number: %lu\n", | |
2914 | dysymtab->tocoff, dysymtab->ntoc); | |
2915 | fprintf (file, | |
2916 | " module table: offset: %lu number: %lu\n", | |
2917 | dysymtab->modtaboff, dysymtab->nmodtab); | |
2918 | break; | |
2919 | } | |
2920 | default: | |
2921 | fprintf (file, "LC_%d\n", cmd->type); | |
2922 | break; | |
2923 | } | |
2924 | } | |
2925 | ||
2926 | return TRUE; | |
2927 | } | |
2928 | ||
3af9a47b | 2929 | int |
116c20d2 NC |
2930 | bfd_mach_o_core_fetch_environment (bfd *abfd, |
2931 | unsigned char **rbuf, | |
2932 | unsigned int *rlen) | |
3af9a47b NC |
2933 | { |
2934 | bfd_mach_o_data_struct *mdata = abfd->tdata.mach_o_data; | |
2935 | unsigned long stackaddr = bfd_mach_o_stack_addr (mdata->header.cputype); | |
2936 | unsigned int i = 0; | |
2937 | ||
2938 | for (i = 0; i < mdata->header.ncmds; i++) | |
2939 | { | |
2940 | bfd_mach_o_load_command *cur = &mdata->commands[i]; | |
2941 | bfd_mach_o_segment_command *seg = NULL; | |
2942 | ||
2943 | if (cur->type != BFD_MACH_O_LC_SEGMENT) | |
2944 | continue; | |
2945 | ||
2946 | seg = &cur->command.segment; | |
2947 | ||
2948 | if ((seg->vmaddr + seg->vmsize) == stackaddr) | |
2949 | { | |
2950 | unsigned long start = seg->fileoff; | |
2951 | unsigned long end = seg->fileoff + seg->filesize; | |
2952 | unsigned char *buf = bfd_malloc (1024); | |
2953 | unsigned long size = 1024; | |
2954 | ||
2955 | for (;;) | |
2956 | { | |
2957 | bfd_size_type nread = 0; | |
2958 | unsigned long offset; | |
2959 | int found_nonnull = 0; | |
2960 | ||
2961 | if (size > (end - start)) | |
2962 | size = (end - start); | |
2963 | ||
515ef31d NC |
2964 | buf = bfd_realloc_or_free (buf, size); |
2965 | if (buf == NULL) | |
2966 | return -1; | |
c2f09c75 TG |
2967 | |
2968 | if (bfd_seek (abfd, end - size, SEEK_SET) != 0) | |
2969 | { | |
2970 | free (buf); | |
2971 | return -1; | |
2972 | } | |
2973 | ||
3af9a47b | 2974 | nread = bfd_bread (buf, size, abfd); |
a95a4550 | 2975 | |
3af9a47b | 2976 | if (nread != size) |
515ef31d NC |
2977 | { |
2978 | free (buf); | |
2979 | return -1; | |
2980 | } | |
a95a4550 | 2981 | |
3af9a47b NC |
2982 | for (offset = 4; offset <= size; offset += 4) |
2983 | { | |
e84d6fca | 2984 | unsigned long val; |
3af9a47b | 2985 | |
e84d6fca | 2986 | val = *((unsigned long *) (buf + size - offset)); |
3af9a47b NC |
2987 | if (! found_nonnull) |
2988 | { | |
2989 | if (val != 0) | |
2990 | found_nonnull = 1; | |
2991 | } | |
2992 | else if (val == 0x0) | |
2993 | { | |
e84d6fca AM |
2994 | unsigned long bottom; |
2995 | unsigned long top; | |
3af9a47b | 2996 | |
e84d6fca AM |
2997 | bottom = seg->fileoff + seg->filesize - offset; |
2998 | top = seg->fileoff + seg->filesize - 4; | |
3af9a47b NC |
2999 | *rbuf = bfd_malloc (top - bottom); |
3000 | *rlen = top - bottom; | |
3001 | ||
3002 | memcpy (*rbuf, buf + size - *rlen, *rlen); | |
515ef31d | 3003 | free (buf); |
3af9a47b NC |
3004 | return 0; |
3005 | } | |
3006 | } | |
3007 | ||
3008 | if (size == (end - start)) | |
3009 | break; | |
3010 | ||
3011 | size *= 2; | |
3012 | } | |
515ef31d NC |
3013 | |
3014 | free (buf); | |
3af9a47b NC |
3015 | } |
3016 | } | |
3017 | ||
3018 | return -1; | |
3019 | } | |
3020 | ||
3021 | char * | |
116c20d2 | 3022 | bfd_mach_o_core_file_failing_command (bfd *abfd) |
3af9a47b NC |
3023 | { |
3024 | unsigned char *buf = NULL; | |
3025 | unsigned int len = 0; | |
3026 | int ret = -1; | |
3027 | ||
3028 | ret = bfd_mach_o_core_fetch_environment (abfd, &buf, &len); | |
3029 | if (ret < 0) | |
3030 | return NULL; | |
3031 | ||
f075ee0c | 3032 | return (char *) buf; |
3af9a47b NC |
3033 | } |
3034 | ||
3035 | int | |
116c20d2 | 3036 | bfd_mach_o_core_file_failing_signal (bfd *abfd ATTRIBUTE_UNUSED) |
3af9a47b NC |
3037 | { |
3038 | return 0; | |
3039 | } | |
3040 | ||
92bc0e80 TG |
3041 | #define bfd_mach_o_bfd_reloc_type_lookup _bfd_norelocs_bfd_reloc_type_lookup |
3042 | #define bfd_mach_o_bfd_reloc_name_lookup _bfd_norelocs_bfd_reloc_name_lookup | |
3043 | ||
3044 | #define bfd_mach_o_swap_reloc_in NULL | |
3045 | #define bfd_mach_o_swap_reloc_out NULL | |
3046 | ||
116c20d2 NC |
3047 | #define TARGET_NAME mach_o_be_vec |
3048 | #define TARGET_STRING "mach-o-be" | |
3049 | #define TARGET_BIG_ENDIAN 1 | |
3050 | #define TARGET_ARCHIVE 0 | |
3af9a47b NC |
3051 | #include "mach-o-target.c" |
3052 | ||
3053 | #undef TARGET_NAME | |
3054 | #undef TARGET_STRING | |
3055 | #undef TARGET_BIG_ENDIAN | |
3056 | #undef TARGET_ARCHIVE | |
3057 | ||
116c20d2 NC |
3058 | #define TARGET_NAME mach_o_le_vec |
3059 | #define TARGET_STRING "mach-o-le" | |
3060 | #define TARGET_BIG_ENDIAN 0 | |
3061 | #define TARGET_ARCHIVE 0 | |
3af9a47b NC |
3062 | |
3063 | #include "mach-o-target.c" | |
3064 | ||
3065 | #undef TARGET_NAME | |
3066 | #undef TARGET_STRING | |
3067 | #undef TARGET_BIG_ENDIAN | |
3068 | #undef TARGET_ARCHIVE | |
3069 | ||
116c20d2 NC |
3070 | #define TARGET_NAME mach_o_fat_vec |
3071 | #define TARGET_STRING "mach-o-fat" | |
3072 | #define TARGET_BIG_ENDIAN 1 | |
3073 | #define TARGET_ARCHIVE 1 | |
3af9a47b NC |
3074 | |
3075 | #include "mach-o-target.c" | |
3076 | ||
3077 | #undef TARGET_NAME | |
3078 | #undef TARGET_STRING | |
3079 | #undef TARGET_BIG_ENDIAN | |
3080 | #undef TARGET_ARCHIVE |