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[deliverable/binutils-gdb.git] / bfd / mach-o.c
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3af9a47b 1/* Mach-O support for BFD.
4f608e79 2 Copyright 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008,
4a97a0e5 3 2009, 2010, 2011
3af9a47b
NC		 4 Free Software Foundation, Inc.
5
6 This file is part of BFD, the Binary File Descriptor library.
7
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
cd123cb7 10 the Free Software Foundation; either version 3 of the License, or
3af9a47b
NC		 11 (at your option) any later version.
12
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
17
18 You should have received a copy of the GNU General Public License
a95a4550 19 along with this program; if not, write to the Free Software
cd123cb7
NC		 20 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
21 MA 02110-1301, USA. */
3af9a47b 22
3db64b00 23#include "sysdep.h"
3af9a47b
NC		 24#include "mach-o.h"
25#include "bfd.h"
3af9a47b
NC		 26#include "libbfd.h"
27#include "libiberty.h"
15e1c58a 28#include "aout/stab_gnu.h"
46d1c23b
TG		 29#include "mach-o/reloc.h"
30#include "mach-o/external.h"
3af9a47b
NC		 31#include <ctype.h>
32
154a1ee5
TG		 33#define bfd_mach_o_object_p bfd_mach_o_gen_object_p
34#define bfd_mach_o_core_p bfd_mach_o_gen_core_p
42fa0891 35#define bfd_mach_o_mkobject bfd_mach_o_gen_mkobject
116c20d2 36
92bc0e80
TG		 37#define FILE_ALIGN(off, algn) \
38 (((off) + ((file_ptr) 1 << (algn)) - 1) & ((file_ptr) -1 << (algn)))
39
ab273af8 40static int bfd_mach_o_read_symtab_symbols (bfd *);
046b007d 41
c2f09c75 42unsigned int
1e8a024a
TG		 43bfd_mach_o_version (bfd *abfd)
44{
45 bfd_mach_o_data_struct *mdata = NULL;
46
47 BFD_ASSERT (bfd_mach_o_valid (abfd));
046b007d 48 mdata = bfd_mach_o_get_data (abfd);
1e8a024a
TG		 49
50 return mdata->header.version;
51}
52
b34976b6 53bfd_boolean
116c20d2 54bfd_mach_o_valid (bfd *abfd)
3af9a47b
NC		 55{
56 if (abfd == NULL || abfd->xvec == NULL)
154a1ee5 57 return FALSE;
3af9a47b 58
154a1ee5
TG		 59 if (abfd->xvec->flavour != bfd_target_mach_o_flavour)
60 return FALSE;
3af9a47b 61
046b007d 62 if (bfd_mach_o_get_data (abfd) == NULL)
154a1ee5
TG		 63 return FALSE;
64 return TRUE;
65}
66
c2f09c75
TG		 67static INLINE bfd_boolean
68mach_o_wide_p (bfd_mach_o_header *header)
69{
70 switch (header->version)
71 {
72 case 1:
73 return FALSE;
74 case 2:
75 return TRUE;
76 default:
77 BFD_FAIL ();
78 return FALSE;
79 }
80}
81
82static INLINE bfd_boolean
83bfd_mach_o_wide_p (bfd *abfd)
84{
046b007d 85 return mach_o_wide_p (&bfd_mach_o_get_data (abfd)->header);
c2f09c75
TG		 86}
87
154a1ee5
TG		 88/* Tables to translate well known Mach-O segment/section names to bfd
89 names. Use of canonical names (such as .text or .debug_frame) is required
90 by gdb. */
91
92struct mach_o_section_name_xlat
93{
94 const char *bfd_name;
95 const char *mach_o_name;
8462aec7 96 flagword flags;
154a1ee5
TG		 97};
98
99static const struct mach_o_section_name_xlat dwarf_section_names_xlat[] =
100 {
8462aec7
TG		 101 { ".debug_frame", "__debug_frame", SEC_DEBUGGING },
102 { ".debug_info", "__debug_info", SEC_DEBUGGING },
103 { ".debug_abbrev", "__debug_abbrev", SEC_DEBUGGING },
104 { ".debug_aranges", "__debug_aranges", SEC_DEBUGGING },
105 { ".debug_macinfo", "__debug_macinfo", SEC_DEBUGGING },
106 { ".debug_line", "__debug_line", SEC_DEBUGGING },
107 { ".debug_loc", "__debug_loc", SEC_DEBUGGING },
108 { ".debug_pubnames", "__debug_pubnames", SEC_DEBUGGING },
109 { ".debug_pubtypes", "__debug_pubtypes", SEC_DEBUGGING },
110 { ".debug_str", "__debug_str", SEC_DEBUGGING },
111 { ".debug_ranges", "__debug_ranges", SEC_DEBUGGING },
112 { NULL, NULL, 0}
154a1ee5
TG		 113 };
114
115static const struct mach_o_section_name_xlat text_section_names_xlat[] =
116 {
8462aec7
TG		 117 { ".text", "__text", SEC_CODE | SEC_LOAD },
118 { ".const", "__const", SEC_READONLY | SEC_DATA | SEC_LOAD },
119 { ".cstring", "__cstring", SEC_READONLY | SEC_DATA | SEC_LOAD },
120 { ".eh_frame", "__eh_frame", SEC_READONLY | SEC_LOAD },
121 { NULL, NULL, 0}
154a1ee5
TG		 122 };
123
124static const struct mach_o_section_name_xlat data_section_names_xlat[] =
125 {
8462aec7
TG		 126 { ".data", "__data", SEC_DATA | SEC_LOAD },
127 { ".const_data", "__const", SEC_DATA | SEC_LOAD },
128 { ".dyld", "__dyld", SEC_DATA | SEC_LOAD },
129 { ".lazy_symbol_ptr", "__la_symbol_ptr", SEC_DATA | SEC_LOAD },
130 { ".non_lazy_symbol_ptr", "__nl_symbol_ptr", SEC_DATA | SEC_LOAD },
131 { ".bss", "__bss", SEC_NO_FLAGS },
132 { NULL, NULL, 0}
154a1ee5
TG		 133 };
134
135struct mach_o_segment_name_xlat
136{
5a5cbf72 137 /* Segment name. */
154a1ee5 138 const char *segname;
5a5cbf72
TG		 139
140 /* List of known sections for the segment. */
154a1ee5
TG		 141 const struct mach_o_section_name_xlat *sections;
142};
143
5a5cbf72
TG		 144/* List of known segment names. */
145
c2f09c75 146static const struct mach_o_segment_name_xlat segsec_names_xlat[] =
154a1ee5 147 {
154a1ee5
TG		 148 { "__TEXT", text_section_names_xlat },
149 { "__DATA", data_section_names_xlat },
5a5cbf72 150 { "__DWARF", dwarf_section_names_xlat },
154a1ee5
TG		 151 { NULL, NULL }
152 };
153
154a1ee5
TG		 154/* Mach-O to bfd names. */
155
53d58d96
TG		 156void
157bfd_mach_o_normalize_section_name (const char *segname, const char *sectname,
158 const char **name, flagword *flags)
154a1ee5
TG		 159{
160 const struct mach_o_segment_name_xlat *seg;
154a1ee5 161
8462aec7
TG		 162 *name = NULL;
163 *flags = SEC_NO_FLAGS;
164
154a1ee5
TG		 165 for (seg = segsec_names_xlat; seg->segname; seg++)
166 {
f1bde64c 167 if (strncmp (seg->segname, segname, BFD_MACH_O_SEGNAME_SIZE) == 0)
154a1ee5
TG		 168 {
169 const struct mach_o_section_name_xlat *sec;
170
171 for (sec = seg->sections; sec->mach_o_name; sec++)
172 {
f1bde64c
TG		 173 if (strncmp (sec->mach_o_name, sectname,
174 BFD_MACH_O_SECTNAME_SIZE) == 0)
154a1ee5 175 {
53d58d96 176 *name = sec->bfd_name;
8462aec7
TG		 177 *flags = sec->flags;
178 return;
154a1ee5
TG		 179 }
180 }
53d58d96 181 return;
154a1ee5
TG		 182 }
183 }
53d58d96
TG		 184}
185
7ba695a9
TG		 186/* Convert Mach-O section name to BFD. Try to use standard names, otherwise
187 forge a new name. SEGNAME and SECTNAME are 16 bytes strings. */
188
53d58d96 189static void
f1bde64c
TG		 190bfd_mach_o_convert_section_name_to_bfd
191 (bfd *abfd, const char *segname, const char *sectname,
192 const char **name, flagword *flags)
53d58d96
TG		 193{
194 char *res;
195 unsigned int len;
196 const char *pfx = "";
197
198 /* First search for a canonical name. */
f1bde64c 199 bfd_mach_o_normalize_section_name (segname, sectname, name, flags);
53d58d96
TG		 200
201 /* Return now if found. */
202 if (*name)
203 return;
154a1ee5 204
7ba695a9 205 len = 16 + 1 + 16 + 1;
154a1ee5 206
c2f09c75
TG		 207 /* Put "LC_SEGMENT." prefix if the segment name is weird (ie doesn't start
208 with an underscore. */
f1bde64c 209 if (segname[0] != '_')
c2f09c75
TG		 210 {
211 static const char seg_pfx[] = "LC_SEGMENT.";
212
213 pfx = seg_pfx;
214 len += sizeof (seg_pfx) - 1;
215 }
216
154a1ee5
TG		 217 res = bfd_alloc (abfd, len);
218 if (res == NULL)
8462aec7 219 return;
7ba695a9 220 snprintf (res, len, "%s%.16s.%.16s", pfx, segname, sectname);
8462aec7 221 *name = res;
53d58d96 222 *flags = SEC_NO_FLAGS;
154a1ee5
TG		 223}
224
c2f09c75 225/* Convert a bfd section name to a Mach-O segment + section name. */
154a1ee5
TG		 226
227static void
228bfd_mach_o_convert_section_name_to_mach_o (bfd *abfd ATTRIBUTE_UNUSED,
229 asection *sect,
230 bfd_mach_o_section *section)
231{
232 const struct mach_o_segment_name_xlat *seg;
233 const char *name = bfd_get_section_name (abfd, sect);
234 const char *dot;
235 unsigned int len;
236 unsigned int seglen;
237 unsigned int seclen;
238
c2f09c75
TG		 239 /* List of well known names. They all start with a dot. */
240 if (name[0] == '.')
241 for (seg = segsec_names_xlat; seg->segname; seg++)
242 {
243 const struct mach_o_section_name_xlat *sec;
244
245 for (sec = seg->sections; sec->mach_o_name; sec++)
246 {
247 if (strcmp (sec->bfd_name, name) == 0)
248 {
249 strcpy (section->segname, seg->segname);
250 strcpy (section->sectname, sec->mach_o_name);
251 return;
252 }
253 }
254 }
154a1ee5
TG		 255
256 /* Strip LC_SEGMENT. prefix. */
257 if (strncmp (name, "LC_SEGMENT.", 11) == 0)
258 name += 11;
259
260 /* Find a dot. */
261 dot = strchr (name, '.');
262 len = strlen (name);
263
264 /* Try to split name into segment and section names. */
265 if (dot && dot != name)
266 {
267 seglen = dot - name;
268 seclen = len - (dot + 1 - name);
269
270 if (seglen < 16 && seclen < 16)
271 {
272 memcpy (section->segname, name, seglen);
273 section->segname[seglen] = 0;
274 memcpy (section->sectname, dot + 1, seclen);
275 section->sectname[seclen] = 0;
276 return;
277 }
278 }
279
280 if (len > 16)
281 len = 16;
282 memcpy (section->segname, name, len);
283 section->segname[len] = 0;
284 memcpy (section->sectname, name, len);
285 section->sectname[len] = 0;
3af9a47b
NC		 286}
287
b2b62060
TG		 288/* Return the size of an entry for section SEC.
289 Must be called only for symbol pointer section and symbol stubs
290 sections. */
291
292static unsigned int
293bfd_mach_o_section_get_entry_size (bfd *abfd, bfd_mach_o_section *sec)
294{
295 switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK)
296 {
297 case BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS:
298 case BFD_MACH_O_S_LAZY_SYMBOL_POINTERS:
299 return bfd_mach_o_wide_p (abfd) ? 8 : 4;
300 case BFD_MACH_O_S_SYMBOL_STUBS:
301 return sec->reserved2;
302 default:
303 BFD_FAIL ();
304 return 0;
305 }
306}
307
308/* Return the number of indirect symbols for a section.
309 Must be called only for symbol pointer section and symbol stubs
310 sections. */
311
312static unsigned int
313bfd_mach_o_section_get_nbr_indirect (bfd *abfd, bfd_mach_o_section *sec)
314{
315 unsigned int elsz;
316
317 elsz = bfd_mach_o_section_get_entry_size (abfd, sec);
318 if (elsz == 0)
319 return 0;
320 else
321 return sec->size / elsz;
322}
323
324
3af9a47b
NC		 325/* Copy any private info we understand from the input symbol
326 to the output symbol. */
327
154a1ee5 328bfd_boolean
116c20d2
NC		 329bfd_mach_o_bfd_copy_private_symbol_data (bfd *ibfd ATTRIBUTE_UNUSED,
330 asymbol *isymbol ATTRIBUTE_UNUSED,
331 bfd *obfd ATTRIBUTE_UNUSED,
332 asymbol *osymbol ATTRIBUTE_UNUSED)
3af9a47b 333{
b34976b6 334 return TRUE;
3af9a47b
NC		 335}
336
337/* Copy any private info we understand from the input section
338 to the output section. */
339
154a1ee5 340bfd_boolean
116c20d2
NC		 341bfd_mach_o_bfd_copy_private_section_data (bfd *ibfd ATTRIBUTE_UNUSED,
342 asection *isection ATTRIBUTE_UNUSED,
343 bfd *obfd ATTRIBUTE_UNUSED,
344 asection *osection ATTRIBUTE_UNUSED)
3af9a47b 345{
b34976b6 346 return TRUE;
3af9a47b
NC		 347}
348
349/* Copy any private info we understand from the input bfd
350 to the output bfd. */
351
154a1ee5 352bfd_boolean
116c20d2 353bfd_mach_o_bfd_copy_private_bfd_data (bfd *ibfd, bfd *obfd)
3af9a47b 354{
154a1ee5
TG		 355 if (bfd_get_flavour (ibfd) != bfd_target_mach_o_flavour
356 || bfd_get_flavour (obfd) != bfd_target_mach_o_flavour)
357 return TRUE;
358
3af9a47b
NC		 359 BFD_ASSERT (bfd_mach_o_valid (ibfd));
360 BFD_ASSERT (bfd_mach_o_valid (obfd));
361
154a1ee5
TG		 362 /* FIXME: copy commands. */
363
b34976b6 364 return TRUE;
3af9a47b
NC		 365}
366
046b007d 367/* Count the total number of symbols. */
154a1ee5 368
3af9a47b 369static long
116c20d2 370bfd_mach_o_count_symbols (bfd *abfd)
3af9a47b 371{
046b007d 372 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
3af9a47b 373
046b007d
TG		 374 if (mdata->symtab == NULL)
375 return 0;
376 return mdata->symtab->nsyms;
3af9a47b
NC		 377}
378
154a1ee5 379long
116c20d2 380bfd_mach_o_get_symtab_upper_bound (bfd *abfd)
3af9a47b
NC		 381{
382 long nsyms = bfd_mach_o_count_symbols (abfd);
383
3af9a47b
NC		 384 return ((nsyms + 1) * sizeof (asymbol *));
385}
386
154a1ee5 387long
116c20d2 388bfd_mach_o_canonicalize_symtab (bfd *abfd, asymbol **alocation)
3af9a47b 389{
046b007d 390 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
3af9a47b 391 long nsyms = bfd_mach_o_count_symbols (abfd);
046b007d
TG		 392 bfd_mach_o_symtab_command *sym = mdata->symtab;
393 unsigned long j;
3af9a47b
NC		 394
395 if (nsyms < 0)
396 return nsyms;
397
092d27ff
TG		 398 if (nsyms == 0)
399 {
400 /* Do not try to read symbols if there are none. */
401 alocation[0] = NULL;
402 return 0;
403 }
404
ab273af8 405 if (bfd_mach_o_read_symtab_symbols (abfd) != 0)
3af9a47b 406 {
4a97a0e5 407 (*_bfd_error_handler) (_("bfd_mach_o_canonicalize_symtab: unable to load symbols"));
046b007d
TG		 408 return 0;
409 }
3af9a47b 410
046b007d 411 BFD_ASSERT (sym->symbols != NULL);
3af9a47b 412
046b007d
TG		 413 for (j = 0; j < sym->nsyms; j++)
414 alocation[j] = &sym->symbols[j].symbol;
3af9a47b 415
046b007d 416 alocation[j] = NULL;
a95a4550 417
3af9a47b
NC		 418 return nsyms;
419}
420
b2b62060
TG		 421long
422bfd_mach_o_get_synthetic_symtab (bfd *abfd,
423 long symcount ATTRIBUTE_UNUSED,
424 asymbol **syms ATTRIBUTE_UNUSED,
425 long dynsymcount ATTRIBUTE_UNUSED,
426 asymbol **dynsyms ATTRIBUTE_UNUSED,
427 asymbol **ret)
428{
429 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
430 bfd_mach_o_dysymtab_command *dysymtab = mdata->dysymtab;
431 bfd_mach_o_symtab_command *symtab = mdata->symtab;
432 asymbol *s;
433 unsigned long count, i, j, n;
434 size_t size;
435 char *names;
436 char *nul_name;
437
438 *ret = NULL;
439
440 if (dysymtab == NULL || symtab == NULL || symtab->symbols == NULL)
441 return 0;
442
443 if (dysymtab->nindirectsyms == 0)
444 return 0;
445
446 count = dysymtab->nindirectsyms;
447 size = count * sizeof (asymbol) + 1;
448
449 for (j = 0; j < count; j++)
450 {
451 unsigned int isym = dysymtab->indirect_syms[j];
452
453 if (isym < symtab->nsyms && symtab->symbols[isym].symbol.name)
454 size += strlen (symtab->symbols[isym].symbol.name) + sizeof ("$stub");
455 }
456
457 s = *ret = (asymbol *) bfd_malloc (size);
458 if (s == NULL)
459 return -1;
460 names = (char *) (s + count);
461 nul_name = names;
462 *names++ = 0;
463
464 n = 0;
465 for (i = 0; i < mdata->nsects; i++)
466 {
467 bfd_mach_o_section *sec = mdata->sections[i];
91d6fa6a 468 unsigned int first, last;
b2b62060
TG		 469 bfd_vma addr;
470 bfd_vma entry_size;
471
472 switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK)
473 {
474 case BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS:
475 case BFD_MACH_O_S_LAZY_SYMBOL_POINTERS:
476 case BFD_MACH_O_S_SYMBOL_STUBS:
477 first = sec->reserved1;
478 last = first + bfd_mach_o_section_get_nbr_indirect (abfd, sec);
479 addr = sec->addr;
480 entry_size = bfd_mach_o_section_get_entry_size (abfd, sec);
481 for (j = first; j < last; j++)
482 {
483 unsigned int isym = dysymtab->indirect_syms[j];
484
485 s->flags = BSF_GLOBAL | BSF_SYNTHETIC;
486 s->section = sec->bfdsection;
487 s->value = addr - sec->addr;
488 s->udata.p = NULL;
489
490 if (isym < symtab->nsyms
491 && symtab->symbols[isym].symbol.name)
492 {
493 const char *sym = symtab->symbols[isym].symbol.name;
494 size_t len;
495
496 s->name = names;
497 len = strlen (sym);
498 memcpy (names, sym, len);
499 names += len;
500 memcpy (names, "$stub", sizeof ("$stub"));
501 names += sizeof ("$stub");
502 }
503 else
504 s->name = nul_name;
505
506 addr += entry_size;
507 s++;
508 n++;
509 }
510 break;
511 default:
512 break;
513 }
514 }
515
516 return n;
517}
518
154a1ee5 519void
116c20d2
NC		 520bfd_mach_o_get_symbol_info (bfd *abfd ATTRIBUTE_UNUSED,
521 asymbol *symbol,
522 symbol_info *ret)
3af9a47b
NC		 523{
524 bfd_symbol_info (symbol, ret);
525}
526
154a1ee5 527void
116c20d2 528bfd_mach_o_print_symbol (bfd *abfd,
91d6fa6a 529 void * afile,
116c20d2
NC		 530 asymbol *symbol,
531 bfd_print_symbol_type how)
3af9a47b
NC		 532{
533 FILE *file = (FILE *) afile;
15e1c58a 534 const char *name;
92bc0e80 535 bfd_mach_o_asymbol *asym = (bfd_mach_o_asymbol *)symbol;
3af9a47b
NC		 536
537 switch (how)
538 {
539 case bfd_print_symbol_name:
540 fprintf (file, "%s", symbol->name);
541 break;
542 default:
91d6fa6a 543 bfd_print_symbol_vandf (abfd, (void *) file, symbol);
92bc0e80
TG		 544 if (asym->n_type & BFD_MACH_O_N_STAB)
545 name = bfd_get_stab_name (asym->n_type);
15e1c58a 546 else
92bc0e80 547 switch (asym->n_type & BFD_MACH_O_N_TYPE)
15e1c58a
TG		 548 {
549 case BFD_MACH_O_N_UNDF:
e0ce1005
TG		 550 if (symbol->value == 0)
551 name = "UND";
552 else
553 name = "COM";
15e1c58a
TG		 554 break;
555 case BFD_MACH_O_N_ABS:
556 name = "ABS";
557 break;
558 case BFD_MACH_O_N_INDR:
559 name = "INDR";
560 break;
561 case BFD_MACH_O_N_PBUD:
562 name = "PBUD";
563 break;
564 case BFD_MACH_O_N_SECT:
565 name = "SECT";
566 break;
567 default:
568 name = "???";
569 break;
570 }
571 if (name == NULL)
572 name = "";
92bc0e80
TG		 573 fprintf (file, " %02x %-6s %02x %04x",
574 asym->n_type, name, asym->n_sect, asym->n_desc);
575 if ((asym->n_type & BFD_MACH_O_N_STAB) == 0
576 && (asym->n_type & BFD_MACH_O_N_TYPE) == BFD_MACH_O_N_SECT)
e0ce1005 577 fprintf (file, " [%s]", symbol->section->name);
15e1c58a 578 fprintf (file, " %s", symbol->name);
3af9a47b
NC		 579 }
580}
581
582static void
116c20d2
NC		 583bfd_mach_o_convert_architecture (bfd_mach_o_cpu_type mtype,
584 bfd_mach_o_cpu_subtype msubtype ATTRIBUTE_UNUSED,
585 enum bfd_architecture *type,
586 unsigned long *subtype)
3af9a47b
NC		 587{
588 *subtype = bfd_arch_unknown;
589
590 switch (mtype)
591 {
592 case BFD_MACH_O_CPU_TYPE_VAX: *type = bfd_arch_vax; break;
593 case BFD_MACH_O_CPU_TYPE_MC680x0: *type = bfd_arch_m68k; break;
1e8a024a
TG		 594 case BFD_MACH_O_CPU_TYPE_I386:
595 *type = bfd_arch_i386;
596 *subtype = bfd_mach_i386_i386;
597 break;
598 case BFD_MACH_O_CPU_TYPE_X86_64:
599 *type = bfd_arch_i386;
600 *subtype = bfd_mach_x86_64;
601 break;
3af9a47b
NC		 602 case BFD_MACH_O_CPU_TYPE_MIPS: *type = bfd_arch_mips; break;
603 case BFD_MACH_O_CPU_TYPE_MC98000: *type = bfd_arch_m98k; break;
604 case BFD_MACH_O_CPU_TYPE_HPPA: *type = bfd_arch_hppa; break;
605 case BFD_MACH_O_CPU_TYPE_ARM: *type = bfd_arch_arm; break;
606 case BFD_MACH_O_CPU_TYPE_MC88000: *type = bfd_arch_m88k; break;
1e8a024a
TG		 607 case BFD_MACH_O_CPU_TYPE_SPARC:
608 *type = bfd_arch_sparc;
609 *subtype = bfd_mach_sparc;
610 break;
3af9a47b
NC		 611 case BFD_MACH_O_CPU_TYPE_I860: *type = bfd_arch_i860; break;
612 case BFD_MACH_O_CPU_TYPE_ALPHA: *type = bfd_arch_alpha; break;
1e8a024a
TG		 613 case BFD_MACH_O_CPU_TYPE_POWERPC:
614 *type = bfd_arch_powerpc;
c2f09c75 615 *subtype = bfd_mach_ppc;
1e8a024a
TG		 616 break;
617 case BFD_MACH_O_CPU_TYPE_POWERPC_64:
618 *type = bfd_arch_powerpc;
c2f09c75 619 *subtype = bfd_mach_ppc64;
1e8a024a 620 break;
3af9a47b 621 default:
1e8a024a
TG		 622 *type = bfd_arch_unknown;
623 break;
3af9a47b
NC		 624 }
625}
a95a4550 626
154a1ee5 627static bfd_boolean
116c20d2
NC		 628bfd_mach_o_write_header (bfd *abfd, bfd_mach_o_header *header)
629{
46d1c23b 630 struct mach_o_header_external raw;
1e8a024a
TG		 631 unsigned int size;
632
c2f09c75 633 size = mach_o_wide_p (header) ?
154a1ee5 634 BFD_MACH_O_HEADER_64_SIZE : BFD_MACH_O_HEADER_SIZE;
116c20d2 635
46d1c23b
TG		 636 bfd_h_put_32 (abfd, header->magic, raw.magic);
637 bfd_h_put_32 (abfd, header->cputype, raw.cputype);
638 bfd_h_put_32 (abfd, header->cpusubtype, raw.cpusubtype);
639 bfd_h_put_32 (abfd, header->filetype, raw.filetype);
640 bfd_h_put_32 (abfd, header->ncmds, raw.ncmds);
641 bfd_h_put_32 (abfd, header->sizeofcmds, raw.sizeofcmds);
642 bfd_h_put_32 (abfd, header->flags, raw.flags);
116c20d2 643
c2f09c75 644 if (mach_o_wide_p (header))
46d1c23b 645 bfd_h_put_32 (abfd, header->reserved, raw.reserved);
1e8a024a 646
c2f09c75 647 if (bfd_seek (abfd, 0, SEEK_SET) != 0
46d1c23b 648 || bfd_bwrite (&raw, size, abfd) != size)
154a1ee5 649 return FALSE;
116c20d2 650
154a1ee5 651 return TRUE;
116c20d2
NC		 652}
653
654static int
ab273af8 655bfd_mach_o_write_thread (bfd *abfd, bfd_mach_o_load_command *command)
116c20d2
NC		 656{
657 bfd_mach_o_thread_command *cmd = &command->command.thread;
658 unsigned int i;
46d1c23b 659 struct mach_o_thread_command_external raw;
92bc0e80 660 unsigned int offset;
116c20d2
NC		 661
662 BFD_ASSERT ((command->type == BFD_MACH_O_LC_THREAD)
663 || (command->type == BFD_MACH_O_LC_UNIXTHREAD));
664
665 offset = 8;
116c20d2
NC		 666 for (i = 0; i < cmd->nflavours; i++)
667 {
668 BFD_ASSERT ((cmd->flavours[i].size % 4) == 0);
46d1c23b
TG		 669 BFD_ASSERT (cmd->flavours[i].offset ==
670 (command->offset + offset + BFD_MACH_O_LC_SIZE));
116c20d2 671
46d1c23b
TG		 672 bfd_h_put_32 (abfd, cmd->flavours[i].flavour, raw.flavour);
673 bfd_h_put_32 (abfd, (cmd->flavours[i].size / 4), raw.count);
116c20d2 674
c2f09c75 675 if (bfd_seek (abfd, command->offset + offset, SEEK_SET) != 0
46d1c23b 676 || bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw))
116c20d2
NC		 677 return -1;
678
46d1c23b 679 offset += cmd->flavours[i].size + sizeof (raw);
116c20d2
NC		 680 }
681
682 return 0;
683}
684
92bc0e80
TG		 685long
686bfd_mach_o_get_reloc_upper_bound (bfd *abfd ATTRIBUTE_UNUSED,
687 asection *asect)
688{
689 return (asect->reloc_count + 1) * sizeof (arelent *);
690}
691
b32e07d7 692static int
46d1c23b
TG		 693bfd_mach_o_canonicalize_one_reloc (bfd *abfd,
694 struct mach_o_reloc_info_external *raw,
b32e07d7 695 arelent *res, asymbol **syms)
92bc0e80 696{
046b007d 697 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
92bc0e80 698 bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd);
b32e07d7
TG		 699 bfd_mach_o_reloc_info reloc;
700 bfd_vma addr;
701 bfd_vma symnum;
702 asymbol **sym;
703
46d1c23b
TG		 704 addr = bfd_get_32 (abfd, raw->r_address);
705 symnum = bfd_get_32 (abfd, raw->r_symbolnum);
b32e07d7
TG		 706
707 if (addr & BFD_MACH_O_SR_SCATTERED)
708 {
709 unsigned int j;
710
711 /* Scattered relocation.
712 Extract section and offset from r_value. */
713 res->sym_ptr_ptr = NULL;
714 res->addend = 0;
715 for (j = 0; j < mdata->nsects; j++)
716 {
717 bfd_mach_o_section *sect = mdata->sections[j];
718 if (symnum >= sect->addr && symnum < sect->addr + sect->size)
719 {
720 res->sym_ptr_ptr = sect->bfdsection->symbol_ptr_ptr;
721 res->addend = symnum - sect->addr;
722 break;
723 }
724 }
725 res->address = BFD_MACH_O_GET_SR_ADDRESS (addr);
726 reloc.r_type = BFD_MACH_O_GET_SR_TYPE (addr);
727 reloc.r_length = BFD_MACH_O_GET_SR_LENGTH (addr);
728 reloc.r_pcrel = addr & BFD_MACH_O_SR_PCREL;
729 reloc.r_scattered = 1;
730 }
731 else
732 {
733 unsigned int num = BFD_MACH_O_GET_R_SYMBOLNUM (symnum);
734 res->addend = 0;
735 res->address = addr;
736 if (symnum & BFD_MACH_O_R_EXTERN)
06988dfc
TG		 737 {
738 sym = syms + num;
739 reloc.r_extern = 1;
740 }
b32e07d7
TG		 741 else
742 {
743 BFD_ASSERT (num != 0);
744 BFD_ASSERT (num <= mdata->nsects);
745 sym = mdata->sections[num - 1]->bfdsection->symbol_ptr_ptr;
1523fa24
TG		 746 /* For a symbol defined in section S, the addend (stored in the
747 binary) contains the address of the section. To comply with
748 bfd conventio, substract the section address.
749 Use the address from the header, so that the user can modify
750 the vma of the section. */
751 res->addend = -mdata->sections[num - 1]->addr;
06988dfc 752 reloc.r_extern = 0;
b32e07d7
TG		 753 }
754 res->sym_ptr_ptr = sym;
755 reloc.r_type = BFD_MACH_O_GET_R_TYPE (symnum);
756 reloc.r_length = BFD_MACH_O_GET_R_LENGTH (symnum);
757 reloc.r_pcrel = (symnum & BFD_MACH_O_R_PCREL) ? 1 : 0;
758 reloc.r_scattered = 0;
759 }
760
761 if (!(*bed->_bfd_mach_o_swap_reloc_in)(res, &reloc))
762 return -1;
763 return 0;
764}
765
766static int
767bfd_mach_o_canonicalize_relocs (bfd *abfd, unsigned long filepos,
768 unsigned long count,
769 arelent *res, asymbol **syms)
770{
92bc0e80 771 unsigned long i;
46d1c23b 772 struct mach_o_reloc_info_external *native_relocs;
92bc0e80
TG		 773 bfd_size_type native_size;
774
92bc0e80 775 /* Allocate and read relocs. */
b32e07d7 776 native_size = count * BFD_MACH_O_RELENT_SIZE;
46d1c23b
TG		 777 native_relocs =
778 (struct mach_o_reloc_info_external *) bfd_malloc (native_size);
92bc0e80
TG		 779 if (native_relocs == NULL)
780 return -1;
781
b32e07d7 782 if (bfd_seek (abfd, filepos, SEEK_SET) != 0
92bc0e80 783 || bfd_bread (native_relocs, native_size, abfd) != native_size)
b32e07d7
TG		 784 goto err;
785
786 for (i = 0; i < count; i++)
92bc0e80 787 {
46d1c23b
TG		 788 if (bfd_mach_o_canonicalize_one_reloc (abfd, &native_relocs[i],
789 &res[i], syms) < 0)
b32e07d7 790 goto err;
92bc0e80 791 }
b32e07d7
TG		 792 free (native_relocs);
793 return i;
794 err:
795 free (native_relocs);
796 return -1;
797}
798
799long
800bfd_mach_o_canonicalize_reloc (bfd *abfd, asection *asect,
801 arelent **rels, asymbol **syms)
802{
803 bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd);
804 unsigned long i;
805 arelent *res;
806
807 if (asect->reloc_count == 0)
808 return 0;
809
810 /* No need to go further if we don't know how to read relocs. */
811 if (bed->_bfd_mach_o_swap_reloc_in == NULL)
812 return 0;
92bc0e80
TG		 813
814 res = bfd_malloc (asect->reloc_count * sizeof (arelent));
815 if (res == NULL)
b32e07d7
TG		 816 return -1;
817
818 if (bfd_mach_o_canonicalize_relocs (abfd, asect->rel_filepos,
819 asect->reloc_count, res, syms) < 0)
92bc0e80 820 {
b32e07d7 821 free (res);
92bc0e80
TG		 822 return -1;
823 }
824
825 for (i = 0; i < asect->reloc_count; i++)
b32e07d7
TG		 826 rels[i] = &res[i];
827 rels[i] = NULL;
828 asect->relocation = res;
92bc0e80 829
b32e07d7
TG		 830 return i;
831}
92bc0e80 832
b32e07d7
TG		 833long
834bfd_mach_o_get_dynamic_reloc_upper_bound (bfd *abfd)
835{
836 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
92bc0e80 837
b32e07d7
TG		 838 if (mdata->dysymtab == NULL)
839 return 1;
840 return (mdata->dysymtab->nextrel + mdata->dysymtab->nlocrel)
841 * sizeof (arelent *);
842}
92bc0e80 843
b32e07d7
TG		 844long
845bfd_mach_o_canonicalize_dynamic_reloc (bfd *abfd, arelent **rels,
846 struct bfd_symbol **syms)
847{
848 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
849 bfd_mach_o_dysymtab_command *dysymtab = mdata->dysymtab;
850 bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd);
851 unsigned long i;
852 arelent *res;
853
854 if (dysymtab == NULL)
855 return 0;
856 if (dysymtab->nextrel == 0 && dysymtab->nlocrel == 0)
857 return 0;
858
859 /* No need to go further if we don't know how to read relocs. */
860 if (bed->_bfd_mach_o_swap_reloc_in == NULL)
861 return 0;
862
863 res = bfd_malloc ((dysymtab->nextrel + dysymtab->nlocrel) * sizeof (arelent));
864 if (res == NULL)
865 return -1;
866
867 if (bfd_mach_o_canonicalize_relocs (abfd, dysymtab->extreloff,
868 dysymtab->nextrel, res, syms) < 0)
869 {
870 free (res);
871 return -1;
92bc0e80 872 }
b32e07d7
TG		 873
874 if (bfd_mach_o_canonicalize_relocs (abfd, dysymtab->locreloff,
875 dysymtab->nlocrel,
876 res + dysymtab->nextrel, syms) < 0)
877 {
878 free (res);
879 return -1;
880 }
881
882 for (i = 0; i < dysymtab->nextrel + dysymtab->nlocrel; i++)
883 rels[i] = &res[i];
884 rels[i] = NULL;
92bc0e80
TG		 885 return i;
886}
887
888static bfd_boolean
ab273af8 889bfd_mach_o_write_relocs (bfd *abfd, bfd_mach_o_section *section)
92bc0e80 890{
046b007d 891 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
92bc0e80
TG		 892 unsigned int i;
893 arelent **entries;
894 asection *sec;
895 bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd);
896
897 sec = section->bfdsection;
898 if (sec->reloc_count == 0)
899 return TRUE;
900
901 if (bed->_bfd_mach_o_swap_reloc_out == NULL)
902 return TRUE;
903
904 /* Allocate relocation room. */
905 mdata->filelen = FILE_ALIGN(mdata->filelen, 2);
906 section->nreloc = sec->reloc_count;
907 sec->rel_filepos = mdata->filelen;
908 section->reloff = sec->rel_filepos;
909 mdata->filelen += sec->reloc_count * BFD_MACH_O_RELENT_SIZE;
910
911 if (bfd_seek (abfd, section->reloff, SEEK_SET) != 0)
912 return FALSE;
913
914 /* Convert and write. */
915 entries = section->bfdsection->orelocation;
916 for (i = 0; i < section->nreloc; i++)
917 {
918 arelent *rel = entries[i];
46d1c23b 919 struct mach_o_reloc_info_external raw;
92bc0e80
TG		 920 bfd_mach_o_reloc_info info, *pinfo = &info;
921
922 /* Convert relocation to an intermediate representation. */
923 if (!(*bed->_bfd_mach_o_swap_reloc_out) (rel, pinfo))
924 return FALSE;
925
926 /* Lower the relocation info. */
927 if (pinfo->r_scattered)
928 {
929 unsigned long v;
930
931 v = BFD_MACH_O_SR_SCATTERED
932 | (pinfo->r_pcrel ? BFD_MACH_O_SR_PCREL : 0)
933 | BFD_MACH_O_SET_SR_LENGTH(pinfo->r_length)
934 | BFD_MACH_O_SET_SR_TYPE(pinfo->r_type)
935 | BFD_MACH_O_SET_SR_ADDRESS(pinfo->r_address);
46d1c23b
TG		 936 /* Note: scattered relocs have field in reverse order... */
937 bfd_put_32 (abfd, v, raw.r_address);
938 bfd_put_32 (abfd, pinfo->r_value, raw.r_symbolnum);
92bc0e80
TG		 939 }
940 else
941 {
942 unsigned long v;
943
46d1c23b 944 bfd_put_32 (abfd, pinfo->r_address, raw.r_address);
92bc0e80
TG		 945 v = BFD_MACH_O_SET_R_SYMBOLNUM (pinfo->r_value)
946 | (pinfo->r_pcrel ? BFD_MACH_O_R_PCREL : 0)
947 | BFD_MACH_O_SET_R_LENGTH (pinfo->r_length)
948 | (pinfo->r_extern ? BFD_MACH_O_R_EXTERN : 0)
949 | BFD_MACH_O_SET_R_TYPE (pinfo->r_type);
46d1c23b 950 bfd_put_32 (abfd, v, raw.r_symbolnum);
92bc0e80
TG		 951 }
952
46d1c23b 953 if (bfd_bwrite (&raw, BFD_MACH_O_RELENT_SIZE, abfd)
92bc0e80
TG		 954 != BFD_MACH_O_RELENT_SIZE)
955 return FALSE;
956 }
957 return TRUE;
958}
959
116c20d2 960static int
ab273af8 961bfd_mach_o_write_section_32 (bfd *abfd, bfd_mach_o_section *section)
116c20d2 962{
46d1c23b
TG		 963 struct mach_o_section_32_external raw;
964
965 memcpy (raw.sectname, section->sectname, 16);
72b5104c 966 memcpy (raw.segname, section->segname, 16);
46d1c23b
TG		 967 bfd_h_put_32 (abfd, section->addr, raw.addr);
968 bfd_h_put_32 (abfd, section->size, raw.size);
969 bfd_h_put_32 (abfd, section->offset, raw.offset);
970 bfd_h_put_32 (abfd, section->align, raw.align);
971 bfd_h_put_32 (abfd, section->reloff, raw.reloff);
972 bfd_h_put_32 (abfd, section->nreloc, raw.nreloc);
973 bfd_h_put_32 (abfd, section->flags, raw.flags);
974 bfd_h_put_32 (abfd, section->reserved1, raw.reserved1);
975 bfd_h_put_32 (abfd, section->reserved2, raw.reserved2);
976
977 if (bfd_bwrite (&raw, BFD_MACH_O_SECTION_SIZE, abfd)
92bc0e80 978 != BFD_MACH_O_SECTION_SIZE)
116c20d2
NC		 979 return -1;
980
981 return 0;
982}
983
984static int
ab273af8 985bfd_mach_o_write_section_64 (bfd *abfd, bfd_mach_o_section *section)
116c20d2 986{
46d1c23b
TG		 987 struct mach_o_section_64_external raw;
988
989 memcpy (raw.sectname, section->sectname, 16);
990 memcpy (raw.segname, section->segname, 16);
991 bfd_h_put_64 (abfd, section->addr, raw.addr);
992 bfd_h_put_64 (abfd, section->size, raw.size);
993 bfd_h_put_32 (abfd, section->offset, raw.offset);
994 bfd_h_put_32 (abfd, section->align, raw.align);
995 bfd_h_put_32 (abfd, section->reloff, raw.reloff);
996 bfd_h_put_32 (abfd, section->nreloc, raw.nreloc);
997 bfd_h_put_32 (abfd, section->flags, raw.flags);
998 bfd_h_put_32 (abfd, section->reserved1, raw.reserved1);
999 bfd_h_put_32 (abfd, section->reserved2, raw.reserved2);
1000 bfd_h_put_32 (abfd, section->reserved3, raw.reserved3);
1001
1002 if (bfd_bwrite (&raw, BFD_MACH_O_SECTION_64_SIZE, abfd)
92bc0e80 1003 != BFD_MACH_O_SECTION_64_SIZE)
116c20d2
NC		 1004 return -1;
1005
1e8a024a
TG		 1006 return 0;
1007}
1008
1009static int
ab273af8 1010bfd_mach_o_write_segment_32 (bfd *abfd, bfd_mach_o_load_command *command)
1e8a024a 1011{
46d1c23b 1012 struct mach_o_segment_command_32_external raw;
1e8a024a 1013 bfd_mach_o_segment_command *seg = &command->command.segment;
f1bde64c 1014 bfd_mach_o_section *sec;
1e8a024a 1015
c2f09c75
TG		 1016 BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT);
1017
f1bde64c
TG		 1018 for (sec = seg->sect_head; sec != NULL; sec = sec->next)
1019 if (!bfd_mach_o_write_relocs (abfd, sec))
92bc0e80 1020 return -1;
c2f09c75 1021
46d1c23b
TG		 1022 memcpy (raw.segname, seg->segname, 16);
1023 bfd_h_put_32 (abfd, seg->vmaddr, raw.vmaddr);
1024 bfd_h_put_32 (abfd, seg->vmsize, raw.vmsize);
1025 bfd_h_put_32 (abfd, seg->fileoff, raw.fileoff);
1026 bfd_h_put_32 (abfd, seg->filesize, raw.filesize);
1027 bfd_h_put_32 (abfd, seg->maxprot, raw.maxprot);
1028 bfd_h_put_32 (abfd, seg->initprot, raw.initprot);
1029 bfd_h_put_32 (abfd, seg->nsects, raw.nsects);
1030 bfd_h_put_32 (abfd, seg->flags, raw.flags);
c2f09c75 1031
46d1c23b
TG		 1032 if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0
1033 || bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw))
c2f09c75 1034 return -1;
1e8a024a 1035
f1bde64c
TG		 1036 for (sec = seg->sect_head; sec != NULL; sec = sec->next)
1037 if (bfd_mach_o_write_section_32 (abfd, sec))
92bc0e80 1038 return -1;
1e8a024a 1039
116c20d2
NC		 1040 return 0;
1041}
1042
1e8a024a 1043static int
ab273af8 1044bfd_mach_o_write_segment_64 (bfd *abfd, bfd_mach_o_load_command *command)
1e8a024a 1045{
46d1c23b 1046 struct mach_o_segment_command_64_external raw;
c2f09c75 1047 bfd_mach_o_segment_command *seg = &command->command.segment;
f1bde64c 1048 bfd_mach_o_section *sec;
c2f09c75
TG		 1049
1050 BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT_64);
1051
f1bde64c
TG		 1052 for (sec = seg->sect_head; sec != NULL; sec = sec->next)
1053 if (!bfd_mach_o_write_relocs (abfd, sec))
92bc0e80 1054 return -1;
c2f09c75 1055
46d1c23b
TG		 1056 memcpy (raw.segname, seg->segname, 16);
1057 bfd_h_put_64 (abfd, seg->vmaddr, raw.vmaddr);
1058 bfd_h_put_64 (abfd, seg->vmsize, raw.vmsize);
1059 bfd_h_put_64 (abfd, seg->fileoff, raw.fileoff);
1060 bfd_h_put_64 (abfd, seg->filesize, raw.filesize);
1061 bfd_h_put_32 (abfd, seg->maxprot, raw.maxprot);
1062 bfd_h_put_32 (abfd, seg->initprot, raw.initprot);
1063 bfd_h_put_32 (abfd, seg->nsects, raw.nsects);
1064 bfd_h_put_32 (abfd, seg->flags, raw.flags);
1065
1066 if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0
1067 || bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw))
c2f09c75
TG		 1068 return -1;
1069
f1bde64c
TG		 1070 for (sec = seg->sect_head; sec != NULL; sec = sec->next)
1071 if (bfd_mach_o_write_section_64 (abfd, sec))
92bc0e80 1072 return -1;
c2f09c75 1073
c2f09c75 1074 return 0;
1e8a024a
TG		 1075}
1076
c2f09c75 1077static bfd_boolean
ab273af8 1078bfd_mach_o_write_symtab (bfd *abfd, bfd_mach_o_load_command *command)
116c20d2 1079{
046b007d 1080 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
116c20d2 1081 bfd_mach_o_symtab_command *sym = &command->command.symtab;
116c20d2 1082 unsigned long i;
c2f09c75 1083 unsigned int wide = bfd_mach_o_wide_p (abfd);
046b007d 1084 unsigned int symlen = wide ? BFD_MACH_O_NLIST_64_SIZE : BFD_MACH_O_NLIST_SIZE;
c2f09c75
TG		 1085 struct bfd_strtab_hash *strtab;
1086 asymbol **symbols = bfd_get_outsymbols (abfd);
1087
1088 BFD_ASSERT (command->type == BFD_MACH_O_LC_SYMTAB);
1089
1090 /* Write the symbols first. */
92bc0e80
TG		 1091 mdata->filelen = FILE_ALIGN(mdata->filelen, wide ? 3 : 2);
1092 sym->symoff = mdata->filelen;
c2f09c75
TG		 1093 if (bfd_seek (abfd, sym->symoff, SEEK_SET) != 0)
1094 return FALSE;
1095
1096 sym->nsyms = bfd_get_symcount (abfd);
92bc0e80 1097 mdata->filelen += sym->nsyms * symlen;
c2f09c75
TG		 1098
1099 strtab = _bfd_stringtab_init ();
1100 if (strtab == NULL)
1101 return FALSE;
116c20d2
NC		 1102
1103 for (i = 0; i < sym->nsyms; i++)
1104 {
91d6fa6a 1105 bfd_size_type str_index;
92bc0e80 1106 bfd_mach_o_asymbol *s = (bfd_mach_o_asymbol *)symbols[i];
c2f09c75 1107
92bc0e80 1108 /* Compute name index. */
c2f09c75 1109 /* An index of 0 always means the empty string. */
92bc0e80 1110 if (s->symbol.name == 0 || s->symbol.name[0] == '\0')
91d6fa6a 1111 str_index = 0;
c2f09c75
TG		 1112 else
1113 {
91d6fa6a
NC		 1114 str_index = _bfd_stringtab_add (strtab, s->symbol.name, TRUE, FALSE);
1115 if (str_index == (bfd_size_type) -1)
c2f09c75
TG		 1116 goto err;
1117 }
46d1c23b 1118
c2f09c75 1119 if (wide)
46d1c23b
TG		 1120 {
1121 struct mach_o_nlist_64_external raw;
1122
1123 bfd_h_put_32 (abfd, str_index, raw.n_strx);
1124 bfd_h_put_8 (abfd, s->n_type, raw.n_type);
1125 bfd_h_put_8 (abfd, s->n_sect, raw.n_sect);
1126 bfd_h_put_16 (abfd, s->n_desc, raw.n_desc);
1127 bfd_h_put_64 (abfd, s->symbol.section->vma + s->symbol.value,
1128 raw.n_value);
1129
1130 if (bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw))
1131 goto err;
1132 }
c2f09c75 1133 else
46d1c23b
TG		 1134 {
1135 struct mach_o_nlist_external raw;
116c20d2 1136
46d1c23b
TG		 1137 bfd_h_put_32 (abfd, str_index, raw.n_strx);
1138 bfd_h_put_8 (abfd, s->n_type, raw.n_type);
1139 bfd_h_put_8 (abfd, s->n_sect, raw.n_sect);
1140 bfd_h_put_16 (abfd, s->n_desc, raw.n_desc);
1141 bfd_h_put_32 (abfd, s->symbol.section->vma + s->symbol.value,
1142 raw.n_value);
1143
1144 if (bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw))
1145 goto err;
1146 }
116c20d2 1147 }
c2f09c75 1148 sym->strsize = _bfd_stringtab_size (strtab);
92bc0e80
TG		 1149 sym->stroff = mdata->filelen;
1150 mdata->filelen += sym->strsize;
116c20d2 1151
c2f09c75
TG		 1152 if (_bfd_stringtab_emit (abfd, strtab) != TRUE)
1153 goto err;
1154 _bfd_stringtab_free (strtab);
116c20d2 1155
c2f09c75 1156 /* The command. */
46d1c23b
TG		 1157 {
1158 struct mach_o_symtab_command_external raw;
116c20d2 1159
46d1c23b
TG		 1160 bfd_h_put_32 (abfd, sym->symoff, raw.symoff);
1161 bfd_h_put_32 (abfd, sym->nsyms, raw.nsyms);
1162 bfd_h_put_32 (abfd, sym->stroff, raw.stroff);
1163 bfd_h_put_32 (abfd, sym->strsize, raw.strsize);
1164
1165 if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0
1166 || bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw))
1167 return FALSE;
1168 }
116c20d2 1169
c2f09c75 1170 return TRUE;
116c20d2 1171
c2f09c75
TG		 1172 err:
1173 _bfd_stringtab_free (strtab);
1174 return FALSE;
116c20d2
NC		 1175}
1176
92bc0e80
TG		 1177/* Process the symbols and generate Mach-O specific fields.
1178 Number them. */
1179
1180static bfd_boolean
1181bfd_mach_o_mangle_symbols (bfd *abfd)
1182{
1183 unsigned long i;
1184 asymbol **symbols = bfd_get_outsymbols (abfd);
1185
1186 for (i = 0; i < bfd_get_symcount (abfd); i++)
1187 {
1188 bfd_mach_o_asymbol *s = (bfd_mach_o_asymbol *)symbols[i];
1189
1190 if (s->n_type == BFD_MACH_O_N_UNDF && !(s->symbol.flags & BSF_DEBUGGING))
1191 {
1192 /* As genuine Mach-O symbols type shouldn't be N_UNDF (undefined
1193 symbols should be N_UNDEF | N_EXT), we suppose the back-end
1194 values haven't been set. */
1195 if (s->symbol.section == bfd_abs_section_ptr)
1196 s->n_type = BFD_MACH_O_N_ABS;
1197 else if (s->symbol.section == bfd_und_section_ptr)
1198 {
1199 s->n_type = BFD_MACH_O_N_UNDF;
1200 if (s->symbol.flags & BSF_WEAK)
1201 s->n_desc |= BFD_MACH_O_N_WEAK_REF;
1202 }
1203 else if (s->symbol.section == bfd_com_section_ptr)
1204 s->n_type = BFD_MACH_O_N_UNDF | BFD_MACH_O_N_EXT;
1205 else
1206 s->n_type = BFD_MACH_O_N_SECT;
1207
1208 if (s->symbol.flags & BSF_GLOBAL)
1209 s->n_type |= BFD_MACH_O_N_EXT;
1210 }
1211
1212 /* Compute section index. */
1213 if (s->symbol.section != bfd_abs_section_ptr
1214 && s->symbol.section != bfd_und_section_ptr
1215 && s->symbol.section != bfd_com_section_ptr)
1216 s->n_sect = s->symbol.section->target_index;
1217
1218 /* Number symbols. */
1219 s->symbol.udata.i = i;
1220 }
1221 return TRUE;
1222}
1223
154a1ee5 1224bfd_boolean
116c20d2 1225bfd_mach_o_write_contents (bfd *abfd)
3af9a47b
NC		 1226{
1227 unsigned int i;
046b007d 1228 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
3af9a47b 1229
92bc0e80
TG		 1230 if (mdata->header.ncmds == 0)
1231 if (!bfd_mach_o_build_commands (abfd))
1232 return FALSE;
1233
3af9a47b 1234 /* Now write header information. */
c2f09c75
TG		 1235 if (mdata->header.filetype == 0)
1236 {
1237 if (abfd->flags & EXEC_P)
1238 mdata->header.filetype = BFD_MACH_O_MH_EXECUTE;
1239 else if (abfd->flags & DYNAMIC)
1240 mdata->header.filetype = BFD_MACH_O_MH_DYLIB;
1241 else
1242 mdata->header.filetype = BFD_MACH_O_MH_OBJECT;
1243 }
154a1ee5 1244 if (!bfd_mach_o_write_header (abfd, &mdata->header))
b34976b6 1245 return FALSE;
3af9a47b 1246
92bc0e80
TG		 1247 /* Assign a number to each symbols. */
1248 if (!bfd_mach_o_mangle_symbols (abfd))
1249 return FALSE;
1250
3af9a47b
NC		 1251 for (i = 0; i < mdata->header.ncmds; i++)
1252 {
46d1c23b 1253 struct mach_o_load_command_external raw;
3af9a47b
NC		 1254 bfd_mach_o_load_command *cur = &mdata->commands[i];
1255 unsigned long typeflag;
1256
154a1ee5 1257 typeflag = cur->type | (cur->type_required ? BFD_MACH_O_LC_REQ_DYLD : 0);
3af9a47b 1258
46d1c23b
TG		 1259 bfd_h_put_32 (abfd, typeflag, raw.cmd);
1260 bfd_h_put_32 (abfd, cur->len, raw.cmdsize);
3af9a47b 1261
c2f09c75 1262 if (bfd_seek (abfd, cur->offset, SEEK_SET) != 0
46d1c23b 1263 || bfd_bwrite (&raw, BFD_MACH_O_LC_SIZE, abfd) != 8)
b34976b6 1264 return FALSE;
3af9a47b
NC		 1265
1266 switch (cur->type)
1267 {
1268 case BFD_MACH_O_LC_SEGMENT:
ab273af8 1269 if (bfd_mach_o_write_segment_32 (abfd, cur) != 0)
1e8a024a
TG		 1270 return FALSE;
1271 break;
1272 case BFD_MACH_O_LC_SEGMENT_64:
ab273af8 1273 if (bfd_mach_o_write_segment_64 (abfd, cur) != 0)
b34976b6 1274 return FALSE;
3af9a47b
NC		 1275 break;
1276 case BFD_MACH_O_LC_SYMTAB:
ab273af8 1277 if (!bfd_mach_o_write_symtab (abfd, cur))
b34976b6 1278 return FALSE;
3af9a47b
NC		 1279 break;
1280 case BFD_MACH_O_LC_SYMSEG:
1281 break;
1282 case BFD_MACH_O_LC_THREAD:
1283 case BFD_MACH_O_LC_UNIXTHREAD:
ab273af8 1284 if (bfd_mach_o_write_thread (abfd, cur) != 0)
b34976b6 1285 return FALSE;
3af9a47b
NC		 1286 break;
1287 case BFD_MACH_O_LC_LOADFVMLIB:
1288 case BFD_MACH_O_LC_IDFVMLIB:
1289 case BFD_MACH_O_LC_IDENT:
1290 case BFD_MACH_O_LC_FVMFILE:
1291 case BFD_MACH_O_LC_PREPAGE:
1292 case BFD_MACH_O_LC_DYSYMTAB:
1293 case BFD_MACH_O_LC_LOAD_DYLIB:
1294 case BFD_MACH_O_LC_LOAD_WEAK_DYLIB:
1295 case BFD_MACH_O_LC_ID_DYLIB:
046b007d 1296 case BFD_MACH_O_LC_REEXPORT_DYLIB:
73017762 1297 case BFD_MACH_O_LC_LOAD_UPWARD_DYLIB:
3af9a47b
NC		 1298 case BFD_MACH_O_LC_LOAD_DYLINKER:
1299 case BFD_MACH_O_LC_ID_DYLINKER:
1300 case BFD_MACH_O_LC_PREBOUND_DYLIB:
1301 case BFD_MACH_O_LC_ROUTINES:
1302 case BFD_MACH_O_LC_SUB_FRAMEWORK:
1303 break;
1304 default:
4a97a0e5
AM		 1305 (*_bfd_error_handler) (_("unable to write unknown load command 0x%lx"),
1306 (unsigned long) cur->type);
b34976b6 1307 return FALSE;
3af9a47b
NC		 1308 }
1309 }
1310
b34976b6 1311 return TRUE;
3af9a47b
NC		 1312}
1313
f1bde64c
TG		 1314static void
1315bfd_mach_o_append_section_to_segment (bfd_mach_o_segment_command *seg,
1316 asection *sec)
1317{
1318 bfd_mach_o_section *s = (bfd_mach_o_section *)sec->used_by_bfd;
1319 if (seg->sect_head == NULL)
1320 seg->sect_head = s;
1321 else
1322 seg->sect_tail->next = s;
1323 seg->sect_tail = s;
1324}
1325
1326/* Create section Mach-O flags from BFD flags. */
1327
1328static void
1329bfd_mach_o_set_section_flags_from_bfd (bfd *abfd ATTRIBUTE_UNUSED, asection *sec)
1330{
1331 flagword bfd_flags;
1332 bfd_mach_o_section *s = bfd_mach_o_get_mach_o_section (sec);
1333
1334 /* Create default flags. */
1335 bfd_flags = bfd_get_section_flags (abfd, sec);
1336 if ((bfd_flags & SEC_CODE) == SEC_CODE)
1337 s->flags = BFD_MACH_O_S_ATTR_PURE_INSTRUCTIONS
1338 | BFD_MACH_O_S_ATTR_SOME_INSTRUCTIONS
1339 | BFD_MACH_O_S_REGULAR;
1340 else if ((bfd_flags & (SEC_ALLOC | SEC_LOAD)) == SEC_ALLOC)
1341 s->flags = BFD_MACH_O_S_ZEROFILL;
1342 else if (bfd_flags & SEC_DEBUGGING)
1343 s->flags = BFD_MACH_O_S_REGULAR | BFD_MACH_O_S_ATTR_DEBUG;
1344 else
1345 s->flags = BFD_MACH_O_S_REGULAR;
1346}
1347
154a1ee5
TG		 1348/* Build Mach-O load commands from the sections. */
1349
1350bfd_boolean
1351bfd_mach_o_build_commands (bfd *abfd)
1352{
046b007d 1353 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
c2f09c75 1354 unsigned int wide = mach_o_wide_p (&mdata->header);
154a1ee5 1355 bfd_mach_o_segment_command *seg;
154a1ee5 1356 asection *sec;
c2f09c75
TG		 1357 bfd_mach_o_load_command *cmd;
1358 bfd_mach_o_load_command *symtab_cmd;
1359 int target_index;
154a1ee5
TG		 1360
1361 /* Return now if commands are already built. */
1362 if (mdata->header.ncmds)
1363 return FALSE;
1364
f1bde64c
TG		 1365 /* Very simple version: a command (segment) to contain all the sections and
1366 a command for the symbol table. */
c2f09c75
TG		 1367 mdata->header.ncmds = 2;
1368 mdata->commands = bfd_alloc (abfd, mdata->header.ncmds
154a1ee5
TG		 1369 * sizeof (bfd_mach_o_load_command));
1370 if (mdata->commands == NULL)
1371 return FALSE;
c2f09c75
TG		 1372 cmd = &mdata->commands[0];
1373 seg = &cmd->command.segment;
1374
154a1ee5 1375 seg->nsects = bfd_count_sections (abfd);
154a1ee5
TG		 1376
1377 /* Set segment command. */
1378 if (wide)
1379 {
c2f09c75
TG		 1380 cmd->type = BFD_MACH_O_LC_SEGMENT_64;
1381 cmd->offset = BFD_MACH_O_HEADER_64_SIZE;
1382 cmd->len = BFD_MACH_O_LC_SEGMENT_64_SIZE
154a1ee5
TG		 1383 + BFD_MACH_O_SECTION_64_SIZE * seg->nsects;
1384 }
1385 else
1386 {
c2f09c75
TG		 1387 cmd->type = BFD_MACH_O_LC_SEGMENT;
1388 cmd->offset = BFD_MACH_O_HEADER_SIZE;
1389 cmd->len = BFD_MACH_O_LC_SEGMENT_SIZE
154a1ee5
TG		 1390 + BFD_MACH_O_SECTION_SIZE * seg->nsects;
1391 }
c2f09c75
TG		 1392 cmd->type_required = FALSE;
1393 mdata->header.sizeofcmds = cmd->len;
92bc0e80 1394 mdata->filelen = cmd->offset + cmd->len;
154a1ee5 1395
c2f09c75
TG		 1396 /* Set symtab command. */
1397 symtab_cmd = &mdata->commands[1];
1398
1399 symtab_cmd->type = BFD_MACH_O_LC_SYMTAB;
1400 symtab_cmd->offset = cmd->offset + cmd->len;
1401 symtab_cmd->len = 6 * 4;
1402 symtab_cmd->type_required = FALSE;
1403
1404 mdata->header.sizeofcmds += symtab_cmd->len;
92bc0e80 1405 mdata->filelen += symtab_cmd->len;
c2f09c75
TG		 1406
1407 /* Fill segment command. */
154a1ee5
TG		 1408 memset (seg->segname, 0, sizeof (seg->segname));
1409 seg->vmaddr = 0;
92bc0e80 1410 seg->fileoff = mdata->filelen;
154a1ee5
TG		 1411 seg->filesize = 0;
1412 seg->maxprot = BFD_MACH_O_PROT_READ | BFD_MACH_O_PROT_WRITE
1413 | BFD_MACH_O_PROT_EXECUTE;
1414 seg->initprot = seg->maxprot;
1415 seg->flags = 0;
7ba695a9
TG		 1416 seg->sect_head = NULL;
1417 seg->sect_tail = NULL;
154a1ee5
TG		 1418
1419 /* Create Mach-O sections. */
c2f09c75 1420 target_index = 0;
154a1ee5
TG		 1421 for (sec = abfd->sections; sec; sec = sec->next)
1422 {
f1bde64c 1423 bfd_mach_o_section *msect = bfd_mach_o_get_mach_o_section (sec);
c2f09c75 1424
f1bde64c
TG		 1425 bfd_mach_o_append_section_to_segment (seg, sec);
1426
1427 if (msect->flags == 0)
92bc0e80 1428 {
f1bde64c
TG		 1429 /* We suppose it hasn't been set. Convert from BFD flags. */
1430 bfd_mach_o_set_section_flags_from_bfd (abfd, sec);
1431 }
1432 msect->addr = bfd_get_section_vma (abfd, sec);
1433 msect->size = bfd_get_section_size (sec);
1434 msect->align = bfd_get_section_alignment (abfd, sec);
1435
1436 if (msect->size != 0)
1437 {
1438 mdata->filelen = FILE_ALIGN (mdata->filelen, msect->align);
1439 msect->offset = mdata->filelen;
92bc0e80
TG		 1440 }
1441 else
f1bde64c
TG		 1442 msect->offset = 0;
1443
1444 sec->filepos = msect->offset;
c2f09c75 1445 sec->target_index = ++target_index;
154a1ee5 1446
f1bde64c 1447 mdata->filelen += msect->size;
154a1ee5 1448 }
92bc0e80 1449 seg->filesize = mdata->filelen - seg->fileoff;
154a1ee5
TG		 1450 seg->vmsize = seg->filesize;
1451
1452 return TRUE;
1453}
1454
1455/* Set the contents of a section. */
1456
1457bfd_boolean
1458bfd_mach_o_set_section_contents (bfd *abfd,
1459 asection *section,
1460 const void * location,
1461 file_ptr offset,
1462 bfd_size_type count)
1463{
1464 file_ptr pos;
1465
1466 /* This must be done first, because bfd_set_section_contents is
1467 going to set output_has_begun to TRUE. */
1468 if (! abfd->output_has_begun && ! bfd_mach_o_build_commands (abfd))
1469 return FALSE;
1470
1471 if (count == 0)
1472 return TRUE;
1473
1474 pos = section->filepos + offset;
1475 if (bfd_seek (abfd, pos, SEEK_SET) != 0
1476 || bfd_bwrite (location, count, abfd) != count)
1477 return FALSE;
1478
1479 return TRUE;
1480}
1481
1482int
116c20d2 1483bfd_mach_o_sizeof_headers (bfd *a ATTRIBUTE_UNUSED,
a6b96beb 1484 struct bfd_link_info *info ATTRIBUTE_UNUSED)
3af9a47b
NC		 1485{
1486 return 0;
1487}
1488
1489/* Make an empty symbol. This is required only because
1490 bfd_make_section_anyway wants to create a symbol for the section. */
1491
154a1ee5 1492asymbol *
116c20d2 1493bfd_mach_o_make_empty_symbol (bfd *abfd)
3af9a47b 1494{
d3ce72d0
NC		 1495 asymbol *new_symbol;
1496
1497 new_symbol = bfd_zalloc (abfd, sizeof (bfd_mach_o_asymbol));
1498 if (new_symbol == NULL)
1499 return new_symbol;
1500 new_symbol->the_bfd = abfd;
1501 new_symbol->udata.i = 0;
1502 return new_symbol;
3af9a47b
NC		 1503}
1504
154a1ee5 1505static bfd_boolean
116c20d2 1506bfd_mach_o_read_header (bfd *abfd, bfd_mach_o_header *header)
3af9a47b 1507{
46d1c23b 1508 struct mach_o_header_external raw;
1e8a024a 1509 unsigned int size;
edeb6e24 1510 bfd_vma (*get32) (const void *) = NULL;
3af9a47b 1511
1e8a024a 1512 /* Just read the magic number. */
c2f09c75 1513 if (bfd_seek (abfd, 0, SEEK_SET) != 0
46d1c23b 1514 || bfd_bread (raw.magic, sizeof (raw.magic), abfd) != 4)
154a1ee5 1515 return FALSE;
3af9a47b 1516
46d1c23b 1517 if (bfd_getb32 (raw.magic) == BFD_MACH_O_MH_MAGIC)
3af9a47b
NC		 1518 {
1519 header->byteorder = BFD_ENDIAN_BIG;
154a1ee5 1520 header->magic = BFD_MACH_O_MH_MAGIC;
1e8a024a 1521 header->version = 1;
3af9a47b
NC		 1522 get32 = bfd_getb32;
1523 }
46d1c23b 1524 else if (bfd_getl32 (raw.magic) == BFD_MACH_O_MH_MAGIC)
3af9a47b 1525 {
a95a4550 1526 header->byteorder = BFD_ENDIAN_LITTLE;
154a1ee5 1527 header->magic = BFD_MACH_O_MH_MAGIC;
1e8a024a
TG		 1528 header->version = 1;
1529 get32 = bfd_getl32;
1530 }
46d1c23b 1531 else if (bfd_getb32 (raw.magic) == BFD_MACH_O_MH_MAGIC_64)
1e8a024a
TG		 1532 {
1533 header->byteorder = BFD_ENDIAN_BIG;
154a1ee5 1534 header->magic = BFD_MACH_O_MH_MAGIC_64;
1e8a024a
TG		 1535 header->version = 2;
1536 get32 = bfd_getb32;
1537 }
46d1c23b 1538 else if (bfd_getl32 (raw.magic) == BFD_MACH_O_MH_MAGIC_64)
1e8a024a
TG		 1539 {
1540 header->byteorder = BFD_ENDIAN_LITTLE;
154a1ee5 1541 header->magic = BFD_MACH_O_MH_MAGIC_64;
1e8a024a 1542 header->version = 2;
3af9a47b
NC		 1543 get32 = bfd_getl32;
1544 }
1545 else
1546 {
1547 header->byteorder = BFD_ENDIAN_UNKNOWN;
154a1ee5 1548 return FALSE;
3af9a47b 1549 }
a95a4550 1550
1e8a024a 1551 /* Once the size of the header is known, read the full header. */
c2f09c75 1552 size = mach_o_wide_p (header) ?
154a1ee5 1553 BFD_MACH_O_HEADER_64_SIZE : BFD_MACH_O_HEADER_SIZE;
1e8a024a 1554
c2f09c75 1555 if (bfd_seek (abfd, 0, SEEK_SET) != 0
46d1c23b 1556 || bfd_bread (&raw, size, abfd) != size)
154a1ee5 1557 return FALSE;
1e8a024a 1558
46d1c23b
TG		 1559 header->cputype = (*get32) (raw.cputype);
1560 header->cpusubtype = (*get32) (raw.cpusubtype);
1561 header->filetype = (*get32) (raw.filetype);
1562 header->ncmds = (*get32) (raw.ncmds);
1563 header->sizeofcmds = (*get32) (raw.sizeofcmds);
1564 header->flags = (*get32) (raw.flags);
3af9a47b 1565
c2f09c75 1566 if (mach_o_wide_p (header))
46d1c23b 1567 header->reserved = (*get32) (raw.reserved);
1e8a024a 1568
154a1ee5 1569 return TRUE;
3af9a47b
NC		 1570}
1571
f1bde64c
TG		 1572bfd_boolean
1573bfd_mach_o_new_section_hook (bfd *abfd, asection *sec)
1574{
1575 bfd_mach_o_section *s;
1576
1577 s = bfd_mach_o_get_mach_o_section (sec);
1578 if (s == NULL)
1579 {
1580 flagword bfd_flags;
1581
1582 s = (bfd_mach_o_section *) bfd_zalloc (abfd, sizeof (*s));
1583 if (s == NULL)
1584 return FALSE;
1585 sec->used_by_bfd = s;
1586 s->bfdsection = sec;
1587
1588 /* Create default name. */
1589 bfd_mach_o_convert_section_name_to_mach_o (abfd, sec, s);
1590
1591 /* Create default flags. */
1592 bfd_flags = bfd_get_section_flags (abfd, sec);
1593 if ((bfd_flags & SEC_CODE) == SEC_CODE)
1594 s->flags = BFD_MACH_O_S_ATTR_PURE_INSTRUCTIONS
1595 | BFD_MACH_O_S_ATTR_SOME_INSTRUCTIONS
1596 | BFD_MACH_O_S_REGULAR;
1597 else if ((bfd_flags & (SEC_ALLOC | SEC_LOAD)) == SEC_ALLOC)
1598 s->flags = BFD_MACH_O_S_ZEROFILL;
1599 else if (bfd_flags & SEC_DEBUGGING)
1600 s->flags = BFD_MACH_O_S_REGULAR | BFD_MACH_O_S_ATTR_DEBUG;
1601 else
1602 s->flags = BFD_MACH_O_S_REGULAR;
1603 }
1604
1605 return _bfd_generic_new_section_hook (abfd, sec);
1606}
1607
1608static void
1609bfd_mach_o_init_section_from_mach_o (bfd *abfd, asection *sec,
1610 unsigned long prot)
3af9a47b 1611{
117ed4f8 1612 flagword flags;
f1bde64c 1613 bfd_mach_o_section *section;
3af9a47b 1614
f1bde64c
TG		 1615 flags = bfd_get_section_flags (abfd, sec);
1616 section = bfd_mach_o_get_mach_o_section (sec);
3af9a47b 1617
8462aec7 1618 if (flags == SEC_NO_FLAGS)
ef17cb22 1619 {
8462aec7
TG		 1620 /* Try to guess flags. */
1621 if (section->flags & BFD_MACH_O_S_ATTR_DEBUG)
1622 flags = SEC_DEBUGGING;
1623 else
1624 {
1625 flags = SEC_ALLOC;
1626 if ((section->flags & BFD_MACH_O_SECTION_TYPE_MASK)
1627 != BFD_MACH_O_S_ZEROFILL)
1628 {
1629 flags |= SEC_LOAD;
1630 if (prot & BFD_MACH_O_PROT_EXECUTE)
1631 flags |= SEC_CODE;
1632 if (prot & BFD_MACH_O_PROT_WRITE)
1633 flags |= SEC_DATA;
1634 else if (prot & BFD_MACH_O_PROT_READ)
1635 flags |= SEC_READONLY;
1636 }
1637 }
ef17cb22 1638 }
15e1c58a
TG		 1639 else
1640 {
8462aec7
TG		 1641 if ((flags & SEC_DEBUGGING) == 0)
1642 flags |= SEC_ALLOC;
15e1c58a 1643 }
8462aec7
TG		 1644
1645 if (section->offset != 0)
1646 flags |= SEC_HAS_CONTENTS;
92bc0e80
TG		 1647 if (section->nreloc != 0)
1648 flags |= SEC_RELOC;
1649
f1bde64c
TG		 1650 bfd_set_section_flags (abfd, sec, flags);
1651
1652 sec->vma = section->addr;
1653 sec->lma = section->addr;
1654 sec->size = section->size;
1655 sec->filepos = section->offset;
1656 sec->alignment_power = section->align;
1657 sec->segment_mark = 0;
1658 sec->reloc_count = section->nreloc;
1659 sec->rel_filepos = section->reloff;
1660}
1661
1662static asection *
1663bfd_mach_o_make_bfd_section (bfd *abfd,
1664 const unsigned char *segname,
1665 const unsigned char *sectname)
1666{
1667 const char *sname;
1668 flagword flags;
a95a4550 1669
f1bde64c
TG		 1670 bfd_mach_o_convert_section_name_to_bfd
1671 (abfd, (const char *)segname, (const char *)sectname, &sname, &flags);
1672 if (sname == NULL)
1673 return NULL;
3af9a47b 1674
f1bde64c 1675 return bfd_make_section_anyway_with_flags (abfd, sname, flags);
3af9a47b
NC		 1676}
1677
f1bde64c 1678static asection *
ab273af8 1679bfd_mach_o_read_section_32 (bfd *abfd,
ab273af8
TG		 1680 unsigned int offset,
1681 unsigned long prot)
3af9a47b 1682{
46d1c23b 1683 struct mach_o_section_32_external raw;
f1bde64c
TG		 1684 asection *sec;
1685 bfd_mach_o_section *section;
3af9a47b 1686
c2f09c75 1687 if (bfd_seek (abfd, offset, SEEK_SET) != 0
46d1c23b 1688 || (bfd_bread (&raw, BFD_MACH_O_SECTION_SIZE, abfd)
c2f09c75 1689 != BFD_MACH_O_SECTION_SIZE))
f1bde64c 1690 return NULL;
a95a4550 1691
5a5cbf72 1692 sec = bfd_mach_o_make_bfd_section (abfd, raw.segname, raw.sectname);
f1bde64c
TG		 1693 if (sec == NULL)
1694 return NULL;
1695
1696 section = bfd_mach_o_get_mach_o_section (sec);
1697 memcpy (section->segname, raw.segname, sizeof (raw.segname));
1698 section->segname[BFD_MACH_O_SEGNAME_SIZE] = 0;
1699 memcpy (section->sectname, raw.sectname, sizeof (raw.sectname));
1700 section->segname[BFD_MACH_O_SECTNAME_SIZE] = 0;
46d1c23b
TG		 1701 section->addr = bfd_h_get_32 (abfd, raw.addr);
1702 section->size = bfd_h_get_32 (abfd, raw.size);
1703 section->offset = bfd_h_get_32 (abfd, raw.offset);
1704 section->align = bfd_h_get_32 (abfd, raw.align);
1705 section->reloff = bfd_h_get_32 (abfd, raw.reloff);
1706 section->nreloc = bfd_h_get_32 (abfd, raw.nreloc);
1707 section->flags = bfd_h_get_32 (abfd, raw.flags);
1708 section->reserved1 = bfd_h_get_32 (abfd, raw.reserved1);
1709 section->reserved2 = bfd_h_get_32 (abfd, raw.reserved2);
1e8a024a 1710 section->reserved3 = 0;
1e8a024a 1711
f1bde64c 1712 bfd_mach_o_init_section_from_mach_o (abfd, sec, prot);
1e8a024a 1713
f1bde64c 1714 return sec;
1e8a024a
TG		 1715}
1716
f1bde64c 1717static asection *
ab273af8 1718bfd_mach_o_read_section_64 (bfd *abfd,
ab273af8
TG		 1719 unsigned int offset,
1720 unsigned long prot)
1e8a024a 1721{
46d1c23b 1722 struct mach_o_section_64_external raw;
f1bde64c
TG		 1723 asection *sec;
1724 bfd_mach_o_section *section;
1e8a024a 1725
c2f09c75 1726 if (bfd_seek (abfd, offset, SEEK_SET) != 0
46d1c23b 1727 || (bfd_bread (&raw, BFD_MACH_O_SECTION_64_SIZE, abfd)
c2f09c75 1728 != BFD_MACH_O_SECTION_64_SIZE))
f1bde64c
TG		 1729 return NULL;
1730
5a5cbf72 1731 sec = bfd_mach_o_make_bfd_section (abfd, raw.segname, raw.sectname);
f1bde64c
TG		 1732 if (sec == NULL)
1733 return NULL;
1e8a024a 1734
f1bde64c
TG		 1735 section = bfd_mach_o_get_mach_o_section (sec);
1736 memcpy (section->segname, raw.segname, sizeof (raw.segname));
1737 section->segname[BFD_MACH_O_SEGNAME_SIZE] = 0;
1738 memcpy (section->sectname, raw.sectname, sizeof (raw.sectname));
1739 section->segname[BFD_MACH_O_SECTNAME_SIZE] = 0;
46d1c23b
TG		 1740 section->addr = bfd_h_get_64 (abfd, raw.addr);
1741 section->size = bfd_h_get_64 (abfd, raw.size);
1742 section->offset = bfd_h_get_32 (abfd, raw.offset);
1743 section->align = bfd_h_get_32 (abfd, raw.align);
1744 section->reloff = bfd_h_get_32 (abfd, raw.reloff);
1745 section->nreloc = bfd_h_get_32 (abfd, raw.nreloc);
1746 section->flags = bfd_h_get_32 (abfd, raw.flags);
1747 section->reserved1 = bfd_h_get_32 (abfd, raw.reserved1);
1748 section->reserved2 = bfd_h_get_32 (abfd, raw.reserved2);
1749 section->reserved3 = bfd_h_get_32 (abfd, raw.reserved3);
3af9a47b 1750
f1bde64c 1751 bfd_mach_o_init_section_from_mach_o (abfd, sec, prot);
3af9a47b 1752
f1bde64c 1753 return sec;
3af9a47b
NC		 1754}
1755
f1bde64c 1756static asection *
ab273af8 1757bfd_mach_o_read_section (bfd *abfd,
ab273af8
TG		 1758 unsigned int offset,
1759 unsigned long prot,
1760 unsigned int wide)
1e8a024a
TG		 1761{
1762 if (wide)
f1bde64c 1763 return bfd_mach_o_read_section_64 (abfd, offset, prot);
1e8a024a 1764 else
f1bde64c 1765 return bfd_mach_o_read_section_32 (abfd, offset, prot);
1e8a024a
TG		 1766}
1767
046b007d 1768static int
ab273af8
TG		 1769bfd_mach_o_read_symtab_symbol (bfd *abfd,
1770 bfd_mach_o_symtab_command *sym,
1771 bfd_mach_o_asymbol *s,
1772 unsigned long i)
3af9a47b 1773{
046b007d 1774 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
c2f09c75 1775 unsigned int wide = mach_o_wide_p (&mdata->header);
046b007d
TG		 1776 unsigned int symwidth =
1777 wide ? BFD_MACH_O_NLIST_64_SIZE : BFD_MACH_O_NLIST_SIZE;
92bc0e80 1778 unsigned int symoff = sym->symoff + (i * symwidth);
46d1c23b 1779 struct mach_o_nlist_64_external raw;
3af9a47b
NC		 1780 unsigned char type = -1;
1781 unsigned char section = -1;
1782 short desc = -1;
1e8a024a 1783 symvalue value = -1;
3af9a47b
NC		 1784 unsigned long stroff = -1;
1785 unsigned int symtype = -1;
1786
1787 BFD_ASSERT (sym->strtab != NULL);
1788
c2f09c75 1789 if (bfd_seek (abfd, symoff, SEEK_SET) != 0
46d1c23b 1790 || bfd_bread (&raw, symwidth, abfd) != symwidth)
3af9a47b 1791 {
46d1c23b
TG		 1792 (*_bfd_error_handler)
1793 (_("bfd_mach_o_read_symtab_symbol: unable to read %d bytes at %lu"),
1794 symwidth, (unsigned long) symoff);
3af9a47b
NC		 1795 return -1;
1796 }
1797
46d1c23b
TG		 1798 stroff = bfd_h_get_32 (abfd, raw.n_strx);
1799 type = bfd_h_get_8 (abfd, raw.n_type);
c2f09c75 1800 symtype = type & BFD_MACH_O_N_TYPE;
46d1c23b
TG		 1801 section = bfd_h_get_8 (abfd, raw.n_sect);
1802 desc = bfd_h_get_16 (abfd, raw.n_desc);
1e8a024a 1803 if (wide)
46d1c23b 1804 value = bfd_h_get_64 (abfd, raw.n_value);
1e8a024a 1805 else
46d1c23b 1806 value = bfd_h_get_32 (abfd, raw.n_value);
3af9a47b
NC		 1807
1808 if (stroff >= sym->strsize)
1809 {
46d1c23b
TG		 1810 (*_bfd_error_handler)
1811 (_("bfd_mach_o_read_symtab_symbol: name out of range (%lu >= %lu)"),
1812 (unsigned long) stroff,
1813 (unsigned long) sym->strsize);
a95a4550 1814 return -1;
3af9a47b
NC		 1815 }
1816
92bc0e80
TG		 1817 s->symbol.the_bfd = abfd;
1818 s->symbol.name = sym->strtab + stroff;
1819 s->symbol.value = value;
1820 s->symbol.flags = 0x0;
1821 s->symbol.udata.i = 0;
1822 s->n_type = type;
1823 s->n_sect = section;
1824 s->n_desc = desc;
3af9a47b
NC		 1825
1826 if (type & BFD_MACH_O_N_STAB)
1827 {
92bc0e80
TG		 1828 s->symbol.flags |= BSF_DEBUGGING;
1829 s->symbol.section = bfd_und_section_ptr;
15e1c58a
TG		 1830 switch (type)
1831 {
1832 case N_FUN:
1833 case N_STSYM:
1834 case N_LCSYM:
1835 case N_BNSYM:
1836 case N_SLINE:
1837 case N_ENSYM:
1838 case N_ECOMM:
1839 case N_ECOML:
1840 case N_GSYM:
1841 if ((section > 0) && (section <= mdata->nsects))
1842 {
92bc0e80
TG		 1843 s->symbol.section = mdata->sections[section - 1]->bfdsection;
1844 s->symbol.value =
1845 s->symbol.value - mdata->sections[section - 1]->addr;
15e1c58a
TG		 1846 }
1847 break;
1848 }
3af9a47b
NC		 1849 }
1850 else
1851 {
1852 if (type & BFD_MACH_O_N_PEXT)
92bc0e80 1853 s->symbol.flags |= BSF_GLOBAL;
c2f09c75 1854
3af9a47b 1855 if (type & BFD_MACH_O_N_EXT)
92bc0e80 1856 s->symbol.flags |= BSF_GLOBAL;
15e1c58a
TG		 1857
1858 if (!(type & (BFD_MACH_O_N_PEXT | BFD_MACH_O_N_EXT)))
92bc0e80 1859 s->symbol.flags |= BSF_LOCAL;
3af9a47b
NC		 1860
1861 switch (symtype)
1862 {
1863 case BFD_MACH_O_N_UNDF:
c2f09c75 1864 if (type == (BFD_MACH_O_N_UNDF | BFD_MACH_O_N_EXT)
92bc0e80 1865 && s->symbol.value != 0)
c2f09c75
TG		 1866 {
1867 /* A common symbol. */
92bc0e80
TG		 1868 s->symbol.section = bfd_com_section_ptr;
1869 s->symbol.flags = BSF_NO_FLAGS;
c2f09c75
TG		 1870 }
1871 else
92bc0e80
TG		 1872 {
1873 s->symbol.section = bfd_und_section_ptr;
1874 if (s->n_desc & BFD_MACH_O_N_WEAK_REF)
1875 s->symbol.flags |= BSF_WEAK;
1876 }
3af9a47b
NC		 1877 break;
1878 case BFD_MACH_O_N_PBUD:
92bc0e80 1879 s->symbol.section = bfd_und_section_ptr;
3af9a47b
NC		 1880 break;
1881 case BFD_MACH_O_N_ABS:
92bc0e80 1882 s->symbol.section = bfd_abs_section_ptr;
3af9a47b
NC		 1883 break;
1884 case BFD_MACH_O_N_SECT:
1885 if ((section > 0) && (section <= mdata->nsects))
1886 {
92bc0e80
TG		 1887 s->symbol.section = mdata->sections[section - 1]->bfdsection;
1888 s->symbol.value =
1889 s->symbol.value - mdata->sections[section - 1]->addr;
3af9a47b
NC		 1890 }
1891 else
1892 {
1893 /* Mach-O uses 0 to mean "no section"; not an error. */
1894 if (section != 0)
1895 {
4a97a0e5
AM		 1896 (*_bfd_error_handler) (_("bfd_mach_o_read_symtab_symbol: "
1897 "symbol \"%s\" specified invalid section %d (max %lu): setting to undefined"),
1898 s->symbol.name, section, mdata->nsects);
3af9a47b 1899 }
92bc0e80 1900 s->symbol.section = bfd_und_section_ptr;
3af9a47b
NC		 1901 }
1902 break;
1903 case BFD_MACH_O_N_INDR:
4a97a0e5
AM		 1904 (*_bfd_error_handler) (_("bfd_mach_o_read_symtab_symbol: "
1905 "symbol \"%s\" is unsupported 'indirect' reference: setting to undefined"),
1906 s->symbol.name);
92bc0e80 1907 s->symbol.section = bfd_und_section_ptr;
3af9a47b
NC		 1908 break;
1909 default:
4a97a0e5
AM		 1910 (*_bfd_error_handler) (_("bfd_mach_o_read_symtab_symbol: "
1911 "symbol \"%s\" specified invalid type field 0x%x: setting to undefined"),
1912 s->symbol.name, symtype);
92bc0e80 1913 s->symbol.section = bfd_und_section_ptr;
3af9a47b
NC		 1914 break;
1915 }
1916 }
1917
1918 return 0;
1919}
1920
046b007d 1921static int
ab273af8 1922bfd_mach_o_read_symtab_strtab (bfd *abfd)
3af9a47b 1923{
046b007d
TG		 1924 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
1925 bfd_mach_o_symtab_command *sym = mdata->symtab;
1926
1927 /* Fail if there is no symtab. */
1928 if (sym == NULL)
1929 return -1;
1930
1931 /* Success if already loaded. */
1932 if (sym->strtab)
1933 return 0;
3af9a47b
NC		 1934
1935 if (abfd->flags & BFD_IN_MEMORY)
1936 {
1937 struct bfd_in_memory *b;
1938
1939 b = (struct bfd_in_memory *) abfd->iostream;
1940
1941 if ((sym->stroff + sym->strsize) > b->size)
1942 {
1943 bfd_set_error (bfd_error_file_truncated);
1944 return -1;
1945 }
f075ee0c 1946 sym->strtab = (char *) b->buffer + sym->stroff;
3af9a47b 1947 }
046b007d 1948 else
3af9a47b 1949 {
046b007d
TG		 1950 sym->strtab = bfd_alloc (abfd, sym->strsize);
1951 if (sym->strtab == NULL)
1952 return -1;
1953
1954 if (bfd_seek (abfd, sym->stroff, SEEK_SET) != 0
91d6fa6a 1955 || bfd_bread ((void *) sym->strtab, sym->strsize, abfd) != sym->strsize)
046b007d
TG		 1956 {
1957 bfd_set_error (bfd_error_file_truncated);
1958 return -1;
1959 }
3af9a47b
NC		 1960 }
1961
1962 return 0;
1963}
1964
046b007d 1965static int
ab273af8 1966bfd_mach_o_read_symtab_symbols (bfd *abfd)
3af9a47b 1967{
046b007d
TG		 1968 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
1969 bfd_mach_o_symtab_command *sym = mdata->symtab;
3af9a47b
NC		 1970 unsigned long i;
1971 int ret;
1972
092d27ff
TG		 1973 if (sym == NULL || sym->symbols)
1974 {
1975 /* Return now if there are no symbols or if already loaded. */
1976 return 0;
1977 }
046b007d 1978
92bc0e80 1979 sym->symbols = bfd_alloc (abfd, sym->nsyms * sizeof (bfd_mach_o_asymbol));
3af9a47b
NC		 1980
1981 if (sym->symbols == NULL)
1982 {
4a97a0e5 1983 (*_bfd_error_handler) (_("bfd_mach_o_read_symtab_symbols: unable to allocate memory for symbols"));
a95a4550 1984 return -1;
3af9a47b 1985 }
a95a4550 1986
ab273af8 1987 ret = bfd_mach_o_read_symtab_strtab (abfd);
3af9a47b
NC		 1988 if (ret != 0)
1989 return ret;
1990
1991 for (i = 0; i < sym->nsyms; i++)
1992 {
ab273af8 1993 ret = bfd_mach_o_read_symtab_symbol (abfd, sym, &sym->symbols[i], i);
3af9a47b
NC		 1994 if (ret != 0)
1995 return ret;
1996 }
a95a4550 1997
3af9a47b
NC		 1998 return 0;
1999}
2000
2001int
ab273af8
TG		 2002bfd_mach_o_read_dysymtab_symbol (bfd *abfd,
2003 bfd_mach_o_dysymtab_command *dysym,
2004 bfd_mach_o_symtab_command *sym,
2005 bfd_mach_o_asymbol *s,
2006 unsigned long i)
3af9a47b
NC		 2007{
2008 unsigned long isymoff = dysym->indirectsymoff + (i * 4);
91d6fa6a 2009 unsigned long sym_index;
46d1c23b 2010 unsigned char raw[4];
3af9a47b
NC		 2011
2012 BFD_ASSERT (i < dysym->nindirectsyms);
a95a4550 2013
c2f09c75 2014 if (bfd_seek (abfd, isymoff, SEEK_SET) != 0
46d1c23b 2015 || bfd_bread (raw, sizeof (raw), abfd) != sizeof (raw))
3af9a47b 2016 {
46d1c23b
TG		 2017 (*_bfd_error_handler)
2018 (_("bfd_mach_o_read_dysymtab_symbol: unable to read %lu bytes at %lu"),
2019 (unsigned long) sizeof (raw), isymoff);
3af9a47b
NC		 2020 return -1;
2021 }
46d1c23b 2022 sym_index = bfd_h_get_32 (abfd, raw);
a95a4550 2023
91d6fa6a 2024 return bfd_mach_o_read_symtab_symbol (abfd, sym, s, sym_index);
3af9a47b
NC		 2025}
2026
2027static const char *
116c20d2 2028bfd_mach_o_i386_flavour_string (unsigned int flavour)
3af9a47b
NC		 2029{
2030 switch ((int) flavour)
2031 {
15e1c58a
TG		 2032 case BFD_MACH_O_x86_THREAD_STATE32: return "x86_THREAD_STATE32";
2033 case BFD_MACH_O_x86_FLOAT_STATE32: return "x86_FLOAT_STATE32";
2034 case BFD_MACH_O_x86_EXCEPTION_STATE32: return "x86_EXCEPTION_STATE32";
2035 case BFD_MACH_O_x86_THREAD_STATE64: return "x86_THREAD_STATE64";
2036 case BFD_MACH_O_x86_FLOAT_STATE64: return "x86_FLOAT_STATE64";
2037 case BFD_MACH_O_x86_EXCEPTION_STATE64: return "x86_EXCEPTION_STATE64";
2038 case BFD_MACH_O_x86_THREAD_STATE: return "x86_THREAD_STATE";
2039 case BFD_MACH_O_x86_FLOAT_STATE: return "x86_FLOAT_STATE";
2040 case BFD_MACH_O_x86_EXCEPTION_STATE: return "x86_EXCEPTION_STATE";
2041 case BFD_MACH_O_x86_DEBUG_STATE32: return "x86_DEBUG_STATE32";
2042 case BFD_MACH_O_x86_DEBUG_STATE64: return "x86_DEBUG_STATE64";
2043 case BFD_MACH_O_x86_DEBUG_STATE: return "x86_DEBUG_STATE";
b32e07d7 2044 case BFD_MACH_O_x86_THREAD_STATE_NONE: return "x86_THREAD_STATE_NONE";
3af9a47b
NC		 2045 default: return "UNKNOWN";
2046 }
2047}
2048
2049static const char *
116c20d2 2050bfd_mach_o_ppc_flavour_string (unsigned int flavour)
3af9a47b
NC		 2051{
2052 switch ((int) flavour)
2053 {
b32e07d7
TG		 2054 case BFD_MACH_O_PPC_THREAD_STATE: return "PPC_THREAD_STATE";
2055 case BFD_MACH_O_PPC_FLOAT_STATE: return "PPC_FLOAT_STATE";
2056 case BFD_MACH_O_PPC_EXCEPTION_STATE: return "PPC_EXCEPTION_STATE";
2057 case BFD_MACH_O_PPC_VECTOR_STATE: return "PPC_VECTOR_STATE";
2058 case BFD_MACH_O_PPC_THREAD_STATE64: return "PPC_THREAD_STATE64";
2059 case BFD_MACH_O_PPC_EXCEPTION_STATE64: return "PPC_EXCEPTION_STATE64";
3af9a47b
NC		 2060 default: return "UNKNOWN";
2061 }
2062}
2063
2064static int
ab273af8 2065bfd_mach_o_read_dylinker (bfd *abfd, bfd_mach_o_load_command *command)
3af9a47b
NC		 2066{
2067 bfd_mach_o_dylinker_command *cmd = &command->command.dylinker;
46d1c23b 2068 struct mach_o_str_command_external raw;
3af9a47b 2069 unsigned int nameoff;
3af9a47b
NC		 2070
2071 BFD_ASSERT ((command->type == BFD_MACH_O_LC_ID_DYLINKER)
2072 || (command->type == BFD_MACH_O_LC_LOAD_DYLINKER));
2073
46d1c23b
TG		 2074 if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0
2075 || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw))
3af9a47b
NC		 2076 return -1;
2077
46d1c23b 2078 nameoff = bfd_h_get_32 (abfd, raw.str);
3af9a47b
NC		 2079
2080 cmd->name_offset = command->offset + nameoff;
2081 cmd->name_len = command->len - nameoff;
b32e07d7
TG		 2082 cmd->name_str = bfd_alloc (abfd, cmd->name_len);
2083 if (cmd->name_str == NULL)
3af9a47b 2084 return -1;
b32e07d7
TG		 2085 if (bfd_seek (abfd, cmd->name_offset, SEEK_SET) != 0
2086 || bfd_bread (cmd->name_str, cmd->name_len, abfd) != cmd->name_len)
3af9a47b 2087 return -1;
3af9a47b
NC		 2088 return 0;
2089}
2090
2091static int
ab273af8 2092bfd_mach_o_read_dylib (bfd *abfd, bfd_mach_o_load_command *command)
3af9a47b
NC		 2093{
2094 bfd_mach_o_dylib_command *cmd = &command->command.dylib;
46d1c23b 2095 struct mach_o_dylib_command_external raw;
3af9a47b 2096 unsigned int nameoff;
3af9a47b 2097
046b007d
TG		 2098 switch (command->type)
2099 {
2100 case BFD_MACH_O_LC_LOAD_DYLIB:
046b007d 2101 case BFD_MACH_O_LC_LOAD_WEAK_DYLIB:
046b007d 2102 case BFD_MACH_O_LC_ID_DYLIB:
046b007d 2103 case BFD_MACH_O_LC_REEXPORT_DYLIB:
73017762 2104 case BFD_MACH_O_LC_LOAD_UPWARD_DYLIB:
046b007d
TG		 2105 break;
2106 default:
b32e07d7
TG		 2107 BFD_FAIL ();
2108 return -1;
046b007d 2109 }
3af9a47b 2110
46d1c23b
TG		 2111 if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0
2112 || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw))
3af9a47b
NC		 2113 return -1;
2114
46d1c23b
TG		 2115 nameoff = bfd_h_get_32 (abfd, raw.name);
2116 cmd->timestamp = bfd_h_get_32 (abfd, raw.timestamp);
2117 cmd->current_version = bfd_h_get_32 (abfd, raw.current_version);
2118 cmd->compatibility_version = bfd_h_get_32 (abfd, raw.compatibility_version);
3af9a47b
NC		 2119
2120 cmd->name_offset = command->offset + nameoff;
2121 cmd->name_len = command->len - nameoff;
b32e07d7
TG		 2122 cmd->name_str = bfd_alloc (abfd, cmd->name_len);
2123 if (cmd->name_str == NULL)
3af9a47b 2124 return -1;
b32e07d7
TG		 2125 if (bfd_seek (abfd, cmd->name_offset, SEEK_SET) != 0
2126 || bfd_bread (cmd->name_str, cmd->name_len, abfd) != cmd->name_len)
3af9a47b 2127 return -1;
3af9a47b
NC		 2128 return 0;
2129}
2130
2131static int
ab273af8
TG		 2132bfd_mach_o_read_prebound_dylib (bfd *abfd ATTRIBUTE_UNUSED,
2133 bfd_mach_o_load_command *command ATTRIBUTE_UNUSED)
3af9a47b
NC		 2134{
2135 /* bfd_mach_o_prebound_dylib_command *cmd = &command->command.prebound_dylib; */
2136
2137 BFD_ASSERT (command->type == BFD_MACH_O_LC_PREBOUND_DYLIB);
2138 return 0;
2139}
2140
2141static int
ab273af8 2142bfd_mach_o_read_thread (bfd *abfd, bfd_mach_o_load_command *command)
3af9a47b 2143{
b32e07d7 2144 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
3af9a47b 2145 bfd_mach_o_thread_command *cmd = &command->command.thread;
92bc0e80 2146 unsigned int offset;
3af9a47b
NC		 2147 unsigned int nflavours;
2148 unsigned int i;
2149
2150 BFD_ASSERT ((command->type == BFD_MACH_O_LC_THREAD)
2151 || (command->type == BFD_MACH_O_LC_UNIXTHREAD));
2152
b32e07d7 2153 /* Count the number of threads. */
3af9a47b
NC		 2154 offset = 8;
2155 nflavours = 0;
2156 while (offset != command->len)
2157 {
46d1c23b
TG		 2158 struct mach_o_thread_command_external raw;
2159
3af9a47b
NC		 2160 if (offset >= command->len)
2161 return -1;
2162
c2f09c75 2163 if (bfd_seek (abfd, command->offset + offset, SEEK_SET) != 0
46d1c23b 2164 || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw))
3af9a47b
NC		 2165 return -1;
2166
46d1c23b 2167 offset += sizeof (raw) + bfd_h_get_32 (abfd, raw.count) * 4;
3af9a47b
NC		 2168 nflavours++;
2169 }
2170
b32e07d7
TG		 2171 /* Allocate threads. */
2172 cmd->flavours = bfd_alloc
2173 (abfd, nflavours * sizeof (bfd_mach_o_thread_flavour));
3af9a47b
NC		 2174 if (cmd->flavours == NULL)
2175 return -1;
2176 cmd->nflavours = nflavours;
2177
2178 offset = 8;
2179 nflavours = 0;
2180 while (offset != command->len)
2181 {
46d1c23b
TG		 2182 struct mach_o_thread_command_external raw;
2183
3af9a47b
NC		 2184 if (offset >= command->len)
2185 return -1;
2186
2187 if (nflavours >= cmd->nflavours)
2188 return -1;
2189
c2f09c75 2190 if (bfd_seek (abfd, command->offset + offset, SEEK_SET) != 0
46d1c23b 2191 || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw))
3af9a47b
NC		 2192 return -1;
2193
46d1c23b
TG		 2194 cmd->flavours[nflavours].flavour = bfd_h_get_32 (abfd, raw.flavour);
2195 cmd->flavours[nflavours].offset = command->offset + offset + sizeof (raw);
2196 cmd->flavours[nflavours].size = bfd_h_get_32 (abfd, raw.count) * 4;
2197 offset += cmd->flavours[nflavours].size + sizeof (raw);
3af9a47b
NC		 2198 nflavours++;
2199 }
2200
2201 for (i = 0; i < nflavours; i++)
2202 {
2203 asection *bfdsec;
2204 unsigned int snamelen;
2205 char *sname;
2206 const char *flavourstr;
2207 const char *prefix = "LC_THREAD";
a95a4550
AM		 2208 unsigned int j = 0;
2209
3af9a47b
NC		 2210 switch (mdata->header.cputype)
2211 {
2212 case BFD_MACH_O_CPU_TYPE_POWERPC:
1e8a024a 2213 case BFD_MACH_O_CPU_TYPE_POWERPC_64:
3af9a47b
NC		 2214 flavourstr = bfd_mach_o_ppc_flavour_string (cmd->flavours[i].flavour);
2215 break;
2216 case BFD_MACH_O_CPU_TYPE_I386:
1e8a024a 2217 case BFD_MACH_O_CPU_TYPE_X86_64:
3af9a47b
NC		 2218 flavourstr = bfd_mach_o_i386_flavour_string (cmd->flavours[i].flavour);
2219 break;
2220 default:
2221 flavourstr = "UNKNOWN_ARCHITECTURE";
2222 break;
2223 }
a95a4550 2224
3af9a47b 2225 snamelen = strlen (prefix) + 1 + 20 + 1 + strlen (flavourstr) + 1;
116c20d2 2226 sname = bfd_alloc (abfd, snamelen);
3af9a47b
NC		 2227 if (sname == NULL)
2228 return -1;
2229
2230 for (;;)
2231 {
a95a4550
AM		 2232 sprintf (sname, "%s.%s.%u", prefix, flavourstr, j);
2233 if (bfd_get_section_by_name (abfd, sname) == NULL)
3af9a47b 2234 break;
a95a4550 2235 j++;
3af9a47b
NC		 2236 }
2237
117ed4f8 2238 bfdsec = bfd_make_section_with_flags (abfd, sname, SEC_HAS_CONTENTS);
a95a4550 2239
3af9a47b
NC		 2240 bfdsec->vma = 0;
2241 bfdsec->lma = 0;
eea6121a 2242 bfdsec->size = cmd->flavours[i].size;
3af9a47b
NC		 2243 bfdsec->filepos = cmd->flavours[i].offset;
2244 bfdsec->alignment_power = 0x0;
3af9a47b
NC		 2245
2246 cmd->section = bfdsec;
2247 }
2248
2249 return 0;
2250}
2251
a95a4550 2252static int
ab273af8 2253bfd_mach_o_read_dysymtab (bfd *abfd, bfd_mach_o_load_command *command)
3af9a47b 2254{
046b007d 2255 bfd_mach_o_dysymtab_command *cmd = &command->command.dysymtab;
b32e07d7 2256 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
3af9a47b
NC		 2257
2258 BFD_ASSERT (command->type == BFD_MACH_O_LC_DYSYMTAB);
2259
46d1c23b
TG		 2260 {
2261 struct mach_o_dysymtab_command_external raw;
2262
2263 if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0
2264 || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw))
2265 return -1;
3af9a47b 2266
46d1c23b
TG		 2267 cmd->ilocalsym = bfd_h_get_32 (abfd, raw.ilocalsym);
2268 cmd->nlocalsym = bfd_h_get_32 (abfd, raw.nlocalsym);
2269 cmd->iextdefsym = bfd_h_get_32 (abfd, raw.iextdefsym);
2270 cmd->nextdefsym = bfd_h_get_32 (abfd, raw.nextdefsym);
2271 cmd->iundefsym = bfd_h_get_32 (abfd, raw.iundefsym);
2272 cmd->nundefsym = bfd_h_get_32 (abfd, raw.nundefsym);
2273 cmd->tocoff = bfd_h_get_32 (abfd, raw.tocoff);
2274 cmd->ntoc = bfd_h_get_32 (abfd, raw.ntoc);
2275 cmd->modtaboff = bfd_h_get_32 (abfd, raw.modtaboff);
2276 cmd->nmodtab = bfd_h_get_32 (abfd, raw.nmodtab);
2277 cmd->extrefsymoff = bfd_h_get_32 (abfd, raw.extrefsymoff);
2278 cmd->nextrefsyms = bfd_h_get_32 (abfd, raw.nextrefsyms);
2279 cmd->indirectsymoff = bfd_h_get_32 (abfd, raw.indirectsymoff);
2280 cmd->nindirectsyms = bfd_h_get_32 (abfd, raw.nindirectsyms);
2281 cmd->extreloff = bfd_h_get_32 (abfd, raw.extreloff);
2282 cmd->nextrel = bfd_h_get_32 (abfd, raw.nextrel);
2283 cmd->locreloff = bfd_h_get_32 (abfd, raw.locreloff);
2284 cmd->nlocrel = bfd_h_get_32 (abfd, raw.nlocrel);
2285 }
046b007d
TG		 2286
2287 if (cmd->nmodtab != 0)
2288 {
046b007d
TG		 2289 unsigned int i;
2290 int wide = bfd_mach_o_wide_p (abfd);
2291 unsigned int module_len = wide ? 56 : 52;
2292
2293 cmd->dylib_module =
2294 bfd_alloc (abfd, cmd->nmodtab * sizeof (bfd_mach_o_dylib_module));
2295 if (cmd->dylib_module == NULL)
2296 return -1;
2297
2298 if (bfd_seek (abfd, cmd->modtaboff, SEEK_SET) != 0)
2299 return -1;
2300
2301 for (i = 0; i < cmd->nmodtab; i++)
2302 {
2303 bfd_mach_o_dylib_module *module = &cmd->dylib_module[i];
2304 unsigned long v;
46d1c23b 2305 unsigned char buf[56];
046b007d 2306
91d6fa6a 2307 if (bfd_bread ((void *) buf, module_len, abfd) != module_len)
046b007d
TG		 2308 return -1;
2309
2310 module->module_name_idx = bfd_h_get_32 (abfd, buf + 0);
2311 module->iextdefsym = bfd_h_get_32 (abfd, buf + 4);
2312 module->nextdefsym = bfd_h_get_32 (abfd, buf + 8);
2313 module->irefsym = bfd_h_get_32 (abfd, buf + 12);
2314 module->nrefsym = bfd_h_get_32 (abfd, buf + 16);
2315 module->ilocalsym = bfd_h_get_32 (abfd, buf + 20);
2316 module->nlocalsym = bfd_h_get_32 (abfd, buf + 24);
2317 module->iextrel = bfd_h_get_32 (abfd, buf + 28);
2318 module->nextrel = bfd_h_get_32 (abfd, buf + 32);
2319 v = bfd_h_get_32 (abfd, buf +36);
2320 module->iinit = v & 0xffff;
2321 module->iterm = (v >> 16) & 0xffff;
2322 v = bfd_h_get_32 (abfd, buf + 40);
2323 module->ninit = v & 0xffff;
2324 module->nterm = (v >> 16) & 0xffff;
2325 if (wide)
2326 {
2327 module->objc_module_info_size = bfd_h_get_32 (abfd, buf + 44);
2328 module->objc_module_info_addr = bfd_h_get_64 (abfd, buf + 48);
2329 }
2330 else
2331 {
2332 module->objc_module_info_addr = bfd_h_get_32 (abfd, buf + 44);
2333 module->objc_module_info_size = bfd_h_get_32 (abfd, buf + 48);
2334 }
2335 }
2336 }
2337
2338 if (cmd->ntoc != 0)
2339 {
046b007d
TG		 2340 unsigned int i;
2341
2342 cmd->dylib_toc = bfd_alloc
2343 (abfd, cmd->ntoc * sizeof (bfd_mach_o_dylib_table_of_content));
2344 if (cmd->dylib_toc == NULL)
2345 return -1;
2346
2347 if (bfd_seek (abfd, cmd->tocoff, SEEK_SET) != 0)
2348 return -1;
2349
2350 for (i = 0; i < cmd->ntoc; i++)
2351 {
46d1c23b 2352 struct mach_o_dylib_table_of_contents_external raw;
046b007d
TG		 2353 bfd_mach_o_dylib_table_of_content *toc = &cmd->dylib_toc[i];
2354
46d1c23b 2355 if (bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw))
046b007d
TG		 2356 return -1;
2357
46d1c23b
TG		 2358 toc->symbol_index = bfd_h_get_32 (abfd, raw.symbol_index);
2359 toc->module_index = bfd_h_get_32 (abfd, raw.module_index);
046b007d
TG		 2360 }
2361 }
2362
2363 if (cmd->nindirectsyms != 0)
2364 {
046b007d
TG		 2365 unsigned int i;
2366
2367 cmd->indirect_syms = bfd_alloc
2368 (abfd, cmd->nindirectsyms * sizeof (unsigned int));
2369 if (cmd->indirect_syms == NULL)
2370 return -1;
2371
2372 if (bfd_seek (abfd, cmd->indirectsymoff, SEEK_SET) != 0)
2373 return -1;
2374
2375 for (i = 0; i < cmd->nindirectsyms; i++)
2376 {
46d1c23b 2377 unsigned char raw[4];
046b007d
TG		 2378 unsigned int *is = &cmd->indirect_syms[i];
2379
46d1c23b 2380 if (bfd_bread (raw, sizeof (raw), abfd) != sizeof (raw))
046b007d
TG		 2381 return -1;
2382
46d1c23b 2383 *is = bfd_h_get_32 (abfd, raw);
046b007d
TG		 2384 }
2385 }
2386
2387 if (cmd->nextrefsyms != 0)
2388 {
046b007d
TG		 2389 unsigned long v;
2390 unsigned int i;
2391
2392 cmd->ext_refs = bfd_alloc
2393 (abfd, cmd->nextrefsyms * sizeof (bfd_mach_o_dylib_reference));
2394 if (cmd->ext_refs == NULL)
2395 return -1;
2396
2397 if (bfd_seek (abfd, cmd->extrefsymoff, SEEK_SET) != 0)
2398 return -1;
2399
2400 for (i = 0; i < cmd->nextrefsyms; i++)
2401 {
46d1c23b 2402 unsigned char raw[4];
046b007d
TG		 2403 bfd_mach_o_dylib_reference *ref = &cmd->ext_refs[i];
2404
46d1c23b 2405 if (bfd_bread (raw, sizeof (raw), abfd) != sizeof (raw))
046b007d
TG		 2406 return -1;
2407
b32e07d7
TG		 2408 /* Fields isym and flags are written as bit-fields, thus we need
2409 a specific processing for endianness. */
46d1c23b 2410 v = bfd_h_get_32 (abfd, raw);
b32e07d7
TG		 2411 if (bfd_big_endian (abfd))
2412 {
2413 ref->isym = (v >> 8) & 0xffffff;
2414 ref->flags = v & 0xff;
2415 }
2416 else
2417 {
2418 ref->isym = v & 0xffffff;
2419 ref->flags = (v >> 24) & 0xff;
2420 }
046b007d
TG		 2421 }
2422 }
3af9a47b 2423
b32e07d7
TG		 2424 if (mdata->dysymtab)
2425 return -1;
2426 mdata->dysymtab = cmd;
2427
3af9a47b
NC		 2428 return 0;
2429}
2430
a95a4550 2431static int
ab273af8 2432bfd_mach_o_read_symtab (bfd *abfd, bfd_mach_o_load_command *command)
3af9a47b 2433{
046b007d
TG		 2434 bfd_mach_o_symtab_command *symtab = &command->command.symtab;
2435 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
46d1c23b 2436 struct mach_o_symtab_command_external raw;
3af9a47b
NC		 2437
2438 BFD_ASSERT (command->type == BFD_MACH_O_LC_SYMTAB);
2439
46d1c23b
TG		 2440 if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0
2441 || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw))
3af9a47b 2442 return -1;
a95a4550 2443
46d1c23b
TG		 2444 symtab->symoff = bfd_h_get_32 (abfd, raw.symoff);
2445 symtab->nsyms = bfd_h_get_32 (abfd, raw.nsyms);
2446 symtab->stroff = bfd_h_get_32 (abfd, raw.stroff);
2447 symtab->strsize = bfd_h_get_32 (abfd, raw.strsize);
046b007d
TG		 2448 symtab->symbols = NULL;
2449 symtab->strtab = NULL;
3af9a47b 2450
046b007d 2451 if (symtab->nsyms != 0)
15e1c58a
TG		 2452 abfd->flags |= HAS_SYMS;
2453
046b007d
TG		 2454 if (mdata->symtab)
2455 return -1;
2456 mdata->symtab = symtab;
3af9a47b
NC		 2457 return 0;
2458}
2459
15e1c58a 2460static int
ab273af8 2461bfd_mach_o_read_uuid (bfd *abfd, bfd_mach_o_load_command *command)
15e1c58a
TG		 2462{
2463 bfd_mach_o_uuid_command *cmd = &command->command.uuid;
15e1c58a
TG		 2464
2465 BFD_ASSERT (command->type == BFD_MACH_O_LC_UUID);
2466
46d1c23b
TG		 2467 if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0
2468 || bfd_bread (cmd->uuid, 16, abfd) != 16)
15e1c58a
TG		 2469 return -1;
2470
15e1c58a
TG		 2471 return 0;
2472}
2473
046b007d 2474static int
ab273af8 2475bfd_mach_o_read_linkedit (bfd *abfd, bfd_mach_o_load_command *command)
046b007d
TG		 2476{
2477 bfd_mach_o_linkedit_command *cmd = &command->command.linkedit;
46d1c23b 2478 struct mach_o_linkedit_data_command_external raw;
046b007d 2479
46d1c23b
TG		 2480 if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0
2481 || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw))
046b007d
TG		 2482 return -1;
2483
46d1c23b
TG		 2484 cmd->dataoff = bfd_get_32 (abfd, raw.dataoff);
2485 cmd->datasize = bfd_get_32 (abfd, raw.datasize);
046b007d
TG		 2486 return 0;
2487}
2488
2489static int
ab273af8 2490bfd_mach_o_read_str (bfd *abfd, bfd_mach_o_load_command *command)
046b007d
TG		 2491{
2492 bfd_mach_o_str_command *cmd = &command->command.str;
46d1c23b 2493 struct mach_o_str_command_external raw;
046b007d
TG		 2494 unsigned long off;
2495
46d1c23b
TG		 2496 if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0
2497 || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw))
046b007d
TG		 2498 return -1;
2499
46d1c23b 2500 off = bfd_get_32 (abfd, raw.str);
046b007d
TG		 2501 cmd->stroff = command->offset + off;
2502 cmd->str_len = command->len - off;
2503 cmd->str = bfd_alloc (abfd, cmd->str_len);
2504 if (cmd->str == NULL)
2505 return -1;
2506 if (bfd_seek (abfd, cmd->stroff, SEEK_SET) != 0
91d6fa6a 2507 || bfd_bread ((void *) cmd->str, cmd->str_len, abfd) != cmd->str_len)
046b007d
TG		 2508 return -1;
2509 return 0;
2510}
2511
ad86f1fb 2512static int
ab273af8 2513bfd_mach_o_read_dyld_info (bfd *abfd, bfd_mach_o_load_command *command)
ad86f1fb
TG		 2514{
2515 bfd_mach_o_dyld_info_command *cmd = &command->command.dyld_info;
46d1c23b 2516 struct mach_o_dyld_info_command_external raw;
ad86f1fb 2517
46d1c23b
TG		 2518 if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0
2519 || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw))
ad86f1fb
TG		 2520 return -1;
2521
46d1c23b
TG		 2522 cmd->rebase_off = bfd_get_32 (abfd, raw.rebase_off);
2523 cmd->rebase_size = bfd_get_32 (abfd, raw.rebase_size);
2524 cmd->bind_off = bfd_get_32 (abfd, raw.bind_off);
2525 cmd->bind_size = bfd_get_32 (abfd, raw.bind_size);
2526 cmd->weak_bind_off = bfd_get_32 (abfd, raw.weak_bind_off);
2527 cmd->weak_bind_size = bfd_get_32 (abfd, raw.weak_bind_size);
2528 cmd->lazy_bind_off = bfd_get_32 (abfd, raw.lazy_bind_off);
2529 cmd->lazy_bind_size = bfd_get_32 (abfd, raw.lazy_bind_size);
2530 cmd->export_off = bfd_get_32 (abfd, raw.export_off);
2531 cmd->export_size = bfd_get_32 (abfd, raw.export_size);
ad86f1fb
TG		 2532 return 0;
2533}
2534
edbdea0e
TG		 2535static bfd_boolean
2536bfd_mach_o_read_version_min (bfd *abfd, bfd_mach_o_load_command *command)
2537{
2538 bfd_mach_o_version_min_command *cmd = &command->command.version_min;
2539 struct mach_o_version_min_command_external raw;
2540 unsigned int ver;
2541
2542 if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0
2543 || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw))
2544 return FALSE;
2545
2546 ver = bfd_get_32 (abfd, raw.version);
2547 cmd->rel = ver >> 16;
2548 cmd->maj = ver >> 8;
2549 cmd->min = ver;
2550 cmd->reserved = bfd_get_32 (abfd, raw.reserved);
2551 return TRUE;
2552}
2553
3af9a47b 2554static int
ab273af8
TG		 2555bfd_mach_o_read_segment (bfd *abfd,
2556 bfd_mach_o_load_command *command,
2557 unsigned int wide)
3af9a47b 2558{
3af9a47b
NC		 2559 bfd_mach_o_segment_command *seg = &command->command.segment;
2560 unsigned long i;
a95a4550 2561
1e8a024a
TG		 2562 if (wide)
2563 {
46d1c23b
TG		 2564 struct mach_o_segment_command_64_external raw;
2565
1e8a024a 2566 BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT_64);
3af9a47b 2567
46d1c23b
TG		 2568 if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0
2569 || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw))
2570 return -1;
3af9a47b 2571
46d1c23b 2572 memcpy (seg->segname, raw.segname, 16);
15e1c58a 2573 seg->segname[16] = '\0';
1e8a024a 2574
46d1c23b
TG		 2575 seg->vmaddr = bfd_h_get_64 (abfd, raw.vmaddr);
2576 seg->vmsize = bfd_h_get_64 (abfd, raw.vmsize);
2577 seg->fileoff = bfd_h_get_64 (abfd, raw.fileoff);
2578 seg->filesize = bfd_h_get_64 (abfd, raw.filesize);
2579 seg->maxprot = bfd_h_get_32 (abfd, raw.maxprot);
2580 seg->initprot = bfd_h_get_32 (abfd, raw.initprot);
2581 seg->nsects = bfd_h_get_32 (abfd, raw.nsects);
2582 seg->flags = bfd_h_get_32 (abfd, raw.flags);
1e8a024a
TG		 2583 }
2584 else
2585 {
46d1c23b
TG		 2586 struct mach_o_segment_command_32_external raw;
2587
1e8a024a
TG		 2588 BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT);
2589
46d1c23b
TG		 2590 if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0
2591 || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw))
2592 return -1;
1e8a024a 2593
46d1c23b 2594 memcpy (seg->segname, raw.segname, 16);
15e1c58a 2595 seg->segname[16] = '\0';
1e8a024a 2596
46d1c23b
TG		 2597 seg->vmaddr = bfd_h_get_32 (abfd, raw.vmaddr);
2598 seg->vmsize = bfd_h_get_32 (abfd, raw.vmsize);
2599 seg->fileoff = bfd_h_get_32 (abfd, raw.fileoff);
2600 seg->filesize = bfd_h_get_32 (abfd, raw.filesize);
2601 seg->maxprot = bfd_h_get_32 (abfd, raw.maxprot);
2602 seg->initprot = bfd_h_get_32 (abfd, raw.initprot);
2603 seg->nsects = bfd_h_get_32 (abfd, raw.nsects);
2604 seg->flags = bfd_h_get_32 (abfd, raw.flags);
1e8a024a 2605 }
9d4b6009
TG		 2606 seg->sect_head = NULL;
2607 seg->sect_tail = NULL;
3af9a47b 2608
f1bde64c 2609 for (i = 0; i < seg->nsects; i++)
3af9a47b 2610 {
f1bde64c
TG		 2611 bfd_vma segoff;
2612 asection *sec;
a95a4550 2613
f1bde64c
TG		 2614 if (wide)
2615 segoff = command->offset + BFD_MACH_O_LC_SEGMENT_64_SIZE
2616 + (i * BFD_MACH_O_SECTION_64_SIZE);
2617 else
2618 segoff = command->offset + BFD_MACH_O_LC_SEGMENT_SIZE
2619 + (i * BFD_MACH_O_SECTION_SIZE);
3af9a47b 2620
f1bde64c
TG		 2621 sec = bfd_mach_o_read_section (abfd, segoff, seg->initprot, wide);
2622 if (sec == NULL)
2623 return -1;
2624
2625 bfd_mach_o_append_section_to_segment (seg, sec);
3af9a47b
NC		 2626 }
2627
2628 return 0;
2629}
2630
1e8a024a 2631static int
ab273af8 2632bfd_mach_o_read_segment_32 (bfd *abfd, bfd_mach_o_load_command *command)
1e8a024a 2633{
ab273af8 2634 return bfd_mach_o_read_segment (abfd, command, 0);
1e8a024a
TG		 2635}
2636
2637static int
ab273af8 2638bfd_mach_o_read_segment_64 (bfd *abfd, bfd_mach_o_load_command *command)
1e8a024a 2639{
ab273af8 2640 return bfd_mach_o_read_segment (abfd, command, 1);
1e8a024a
TG		 2641}
2642
3af9a47b 2643static int
ab273af8 2644bfd_mach_o_read_command (bfd *abfd, bfd_mach_o_load_command *command)
3af9a47b 2645{
46d1c23b
TG		 2646 struct mach_o_load_command_external raw;
2647 unsigned int cmd;
3af9a47b 2648
046b007d 2649 /* Read command type and length. */
c2f09c75 2650 if (bfd_seek (abfd, command->offset, SEEK_SET) != 0
46d1c23b 2651 || bfd_bread (&raw, BFD_MACH_O_LC_SIZE, abfd) != BFD_MACH_O_LC_SIZE)
3af9a47b
NC		 2652 return -1;
2653
46d1c23b
TG		 2654 cmd = bfd_h_get_32 (abfd, raw.cmd);
2655 command->type = cmd & ~BFD_MACH_O_LC_REQ_DYLD;
2656 command->type_required = cmd & BFD_MACH_O_LC_REQ_DYLD ? TRUE : FALSE;
2657 command->len = bfd_h_get_32 (abfd, raw.cmdsize);
3af9a47b
NC		 2658
2659 switch (command->type)
2660 {
2661 case BFD_MACH_O_LC_SEGMENT:
ab273af8 2662 if (bfd_mach_o_read_segment_32 (abfd, command) != 0)
1e8a024a
TG		 2663 return -1;
2664 break;
2665 case BFD_MACH_O_LC_SEGMENT_64:
ab273af8 2666 if (bfd_mach_o_read_segment_64 (abfd, command) != 0)
3af9a47b
NC		 2667 return -1;
2668 break;
2669 case BFD_MACH_O_LC_SYMTAB:
ab273af8 2670 if (bfd_mach_o_read_symtab (abfd, command) != 0)
3af9a47b
NC		 2671 return -1;
2672 break;
2673 case BFD_MACH_O_LC_SYMSEG:
2674 break;
2675 case BFD_MACH_O_LC_THREAD:
2676 case BFD_MACH_O_LC_UNIXTHREAD:
ab273af8 2677 if (bfd_mach_o_read_thread (abfd, command) != 0)
3af9a47b
NC		 2678 return -1;
2679 break;
2680 case BFD_MACH_O_LC_LOAD_DYLINKER:
2681 case BFD_MACH_O_LC_ID_DYLINKER:
ab273af8 2682 if (bfd_mach_o_read_dylinker (abfd, command) != 0)
3af9a47b
NC		 2683 return -1;
2684 break;
2685 case BFD_MACH_O_LC_LOAD_DYLIB:
2686 case BFD_MACH_O_LC_ID_DYLIB:
2687 case BFD_MACH_O_LC_LOAD_WEAK_DYLIB:
046b007d 2688 case BFD_MACH_O_LC_REEXPORT_DYLIB:
73017762 2689 case BFD_MACH_O_LC_LOAD_UPWARD_DYLIB:
ab273af8 2690 if (bfd_mach_o_read_dylib (abfd, command) != 0)
3af9a47b
NC		 2691 return -1;
2692 break;
2693 case BFD_MACH_O_LC_PREBOUND_DYLIB:
ab273af8 2694 if (bfd_mach_o_read_prebound_dylib (abfd, command) != 0)
3af9a47b
NC		 2695 return -1;
2696 break;
2697 case BFD_MACH_O_LC_LOADFVMLIB:
2698 case BFD_MACH_O_LC_IDFVMLIB:
2699 case BFD_MACH_O_LC_IDENT:
2700 case BFD_MACH_O_LC_FVMFILE:
2701 case BFD_MACH_O_LC_PREPAGE:
2702 case BFD_MACH_O_LC_ROUTINES:
9b02d212 2703 case BFD_MACH_O_LC_ROUTINES_64:
046b007d 2704 break;
3af9a47b 2705 case BFD_MACH_O_LC_SUB_FRAMEWORK:
046b007d
TG		 2706 case BFD_MACH_O_LC_SUB_UMBRELLA:
2707 case BFD_MACH_O_LC_SUB_LIBRARY:
2708 case BFD_MACH_O_LC_SUB_CLIENT:
0c9b2b4c 2709 case BFD_MACH_O_LC_RPATH:
ab273af8 2710 if (bfd_mach_o_read_str (abfd, command) != 0)
046b007d 2711 return -1;
3af9a47b
NC		 2712 break;
2713 case BFD_MACH_O_LC_DYSYMTAB:
ab273af8 2714 if (bfd_mach_o_read_dysymtab (abfd, command) != 0)
3af9a47b
NC		 2715 return -1;
2716 break;
3af9a47b
NC		 2717 case BFD_MACH_O_LC_TWOLEVEL_HINTS:
2718 case BFD_MACH_O_LC_PREBIND_CKSUM:
2719 break;
15e1c58a 2720 case BFD_MACH_O_LC_UUID:
ab273af8 2721 if (bfd_mach_o_read_uuid (abfd, command) != 0)
15e1c58a
TG		 2722 return -1;
2723 break;
2724 case BFD_MACH_O_LC_CODE_SIGNATURE:
846b9259 2725 case BFD_MACH_O_LC_SEGMENT_SPLIT_INFO:
edbdea0e 2726 case BFD_MACH_O_LC_FUNCTION_STARTS:
ab273af8 2727 if (bfd_mach_o_read_linkedit (abfd, command) != 0)
046b007d 2728 return -1;
15e1c58a 2729 break;
ad86f1fb 2730 case BFD_MACH_O_LC_DYLD_INFO:
ab273af8 2731 if (bfd_mach_o_read_dyld_info (abfd, command) != 0)
ad86f1fb
TG		 2732 return -1;
2733 break;
edbdea0e
TG		 2734 case BFD_MACH_O_LC_VERSION_MIN_MACOSX:
2735 case BFD_MACH_O_LC_VERSION_MIN_IPHONEOS:
2736 if (!bfd_mach_o_read_version_min (abfd, command))
2737 return -1;
2738 break;
3af9a47b 2739 default:
c0d9d051
TG		 2740 (*_bfd_error_handler)(_("%B: unable to read unknown load command 0x%lx"),
2741 abfd, (unsigned long) command->type);
3af9a47b
NC		 2742 break;
2743 }
2744
2745 return 0;
2746}
2747
2748static void
116c20d2 2749bfd_mach_o_flatten_sections (bfd *abfd)
3af9a47b 2750{
046b007d 2751 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
3af9a47b 2752 long csect = 0;
f1bde64c 2753 unsigned long i;
a95a4550 2754
15e1c58a 2755 /* Count total number of sections. */
3af9a47b
NC		 2756 mdata->nsects = 0;
2757
2758 for (i = 0; i < mdata->header.ncmds; i++)
2759 {
1e8a024a
TG		 2760 if (mdata->commands[i].type == BFD_MACH_O_LC_SEGMENT
2761 || mdata->commands[i].type == BFD_MACH_O_LC_SEGMENT_64)
3af9a47b 2762 {
e84d6fca
AM		 2763 bfd_mach_o_segment_command *seg;
2764
2765 seg = &mdata->commands[i].command.segment;
3af9a47b
NC		 2766 mdata->nsects += seg->nsects;
2767 }
2768 }
2769
15e1c58a 2770 /* Allocate sections array. */
e84d6fca
AM		 2771 mdata->sections = bfd_alloc (abfd,
2772 mdata->nsects * sizeof (bfd_mach_o_section *));
15e1c58a
TG		 2773
2774 /* Fill the array. */
3af9a47b
NC		 2775 csect = 0;
2776
2777 for (i = 0; i < mdata->header.ncmds; i++)
2778 {
1e8a024a
TG		 2779 if (mdata->commands[i].type == BFD_MACH_O_LC_SEGMENT
2780 || mdata->commands[i].type == BFD_MACH_O_LC_SEGMENT_64)
3af9a47b 2781 {
e84d6fca 2782 bfd_mach_o_segment_command *seg;
f1bde64c 2783 bfd_mach_o_section *sec;
3af9a47b 2784
e84d6fca 2785 seg = &mdata->commands[i].command.segment;
3af9a47b
NC		 2786 BFD_ASSERT (csect + seg->nsects <= mdata->nsects);
2787
f1bde64c
TG		 2788 for (sec = seg->sect_head; sec != NULL; sec = sec->next)
2789 mdata->sections[csect++] = sec;
3af9a47b
NC		 2790 }
2791 }
2792}
2793
2794int
116c20d2 2795bfd_mach_o_scan_start_address (bfd *abfd)
3af9a47b 2796{
046b007d 2797 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
3af9a47b
NC		 2798 bfd_mach_o_thread_command *cmd = NULL;
2799 unsigned long i;
2800
2801 for (i = 0; i < mdata->header.ncmds; i++)
2802 {
2803 if ((mdata->commands[i].type == BFD_MACH_O_LC_THREAD) ||
2804 (mdata->commands[i].type == BFD_MACH_O_LC_UNIXTHREAD))
2805 {
2806 if (cmd == NULL)
2807 cmd = &mdata->commands[i].command.thread;
2808 else
2809 return 0;
2810 }
2811 }
2812
2813 if (cmd == NULL)
2814 return 0;
2815
2816 for (i = 0; i < cmd->nflavours; i++)
2817 {
a95a4550 2818 if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_I386)
e84d6fca 2819 && (cmd->flavours[i].flavour
15e1c58a 2820 == (unsigned long) BFD_MACH_O_x86_THREAD_STATE32))
3af9a47b
NC		 2821 {
2822 unsigned char buf[4];
2823
c2f09c75
TG		 2824 if (bfd_seek (abfd, cmd->flavours[i].offset + 40, SEEK_SET) != 0
2825 || bfd_bread (buf, 4, abfd) != 4)
3af9a47b
NC		 2826 return -1;
2827
2828 abfd->start_address = bfd_h_get_32 (abfd, buf);
2829 }
a95a4550 2830 else if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_POWERPC)
3af9a47b
NC		 2831 && (cmd->flavours[i].flavour == BFD_MACH_O_PPC_THREAD_STATE))
2832 {
2833 unsigned char buf[4];
2834
c2f09c75
TG		 2835 if (bfd_seek (abfd, cmd->flavours[i].offset + 0, SEEK_SET) != 0
2836 || bfd_bread (buf, 4, abfd) != 4)
3af9a47b
NC		 2837 return -1;
2838
2839 abfd->start_address = bfd_h_get_32 (abfd, buf);
2840 }
1e8a024a 2841 else if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_POWERPC_64)
b32e07d7 2842 && (cmd->flavours[i].flavour == BFD_MACH_O_PPC_THREAD_STATE64))
1e8a024a
TG		 2843 {
2844 unsigned char buf[8];
2845
c2f09c75
TG		 2846 if (bfd_seek (abfd, cmd->flavours[i].offset + 0, SEEK_SET) != 0
2847 || bfd_bread (buf, 8, abfd) != 8)
1e8a024a
TG		 2848 return -1;
2849
2850 abfd->start_address = bfd_h_get_64 (abfd, buf);
2851 }
2852 else if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_X86_64)
2853 && (cmd->flavours[i].flavour == BFD_MACH_O_x86_THREAD_STATE64))
2854 {
2855 unsigned char buf[8];
2856
c2f09c75
TG		 2857 if (bfd_seek (abfd, cmd->flavours[i].offset + (16 * 8), SEEK_SET) != 0
2858 || bfd_bread (buf, 8, abfd) != 8)
1e8a024a
TG		 2859 return -1;
2860
2861 abfd->start_address = bfd_h_get_64 (abfd, buf);
2862 }
3af9a47b
NC		 2863 }
2864
2865 return 0;
2866}
2867
42fa0891
TG		 2868bfd_boolean
2869bfd_mach_o_set_arch_mach (bfd *abfd,
2870 enum bfd_architecture arch,
2871 unsigned long machine)
2872{
2873 bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd);
2874
2875 /* If this isn't the right architecture for this backend, and this
2876 isn't the generic backend, fail. */
2877 if (arch != bed->arch
2878 && arch != bfd_arch_unknown
2879 && bed->arch != bfd_arch_unknown)
2880 return FALSE;
2881
2882 return bfd_default_set_arch_mach (abfd, arch, machine);
2883}
2884
3af9a47b 2885int
116c20d2
NC		 2886bfd_mach_o_scan (bfd *abfd,
2887 bfd_mach_o_header *header,
2888 bfd_mach_o_data_struct *mdata)
3af9a47b
NC		 2889{
2890 unsigned int i;
3af9a47b
NC		 2891 enum bfd_architecture cputype;
2892 unsigned long cpusubtype;
1e8a024a
TG		 2893 unsigned int hdrsize;
2894
c2f09c75 2895 hdrsize = mach_o_wide_p (header) ?
154a1ee5 2896 BFD_MACH_O_HEADER_64_SIZE : BFD_MACH_O_HEADER_SIZE;
3af9a47b 2897
3af9a47b 2898 mdata->header = *header;
3af9a47b 2899
154a1ee5 2900 abfd->flags = abfd->flags & BFD_IN_MEMORY;
15e1c58a
TG		 2901 switch (header->filetype)
2902 {
2903 case BFD_MACH_O_MH_OBJECT:
2904 abfd->flags |= HAS_RELOC;
2905 break;
2906 case BFD_MACH_O_MH_EXECUTE:
2907 abfd->flags |= EXEC_P;
2908 break;
2909 case BFD_MACH_O_MH_DYLIB:
2910 case BFD_MACH_O_MH_BUNDLE:
2911 abfd->flags |= DYNAMIC;
2912 break;
2913 }
2914
3af9a47b
NC		 2915 abfd->tdata.mach_o_data = mdata;
2916
e84d6fca
AM		 2917 bfd_mach_o_convert_architecture (header->cputype, header->cpusubtype,
2918 &cputype, &cpusubtype);
3af9a47b
NC		 2919 if (cputype == bfd_arch_unknown)
2920 {
4a97a0e5
AM		 2921 (*_bfd_error_handler) (_("bfd_mach_o_scan: unknown architecture 0x%lx/0x%lx"),
2922 header->cputype, header->cpusubtype);
3af9a47b
NC		 2923 return -1;
2924 }
2925
2926 bfd_set_arch_mach (abfd, cputype, cpusubtype);
a95a4550 2927
3af9a47b
NC		 2928 if (header->ncmds != 0)
2929 {
046b007d
TG		 2930 mdata->commands = bfd_alloc
2931 (abfd, header->ncmds * sizeof (bfd_mach_o_load_command));
3af9a47b
NC		 2932 if (mdata->commands == NULL)
2933 return -1;
a95a4550 2934
3af9a47b
NC		 2935 for (i = 0; i < header->ncmds; i++)
2936 {
2937 bfd_mach_o_load_command *cur = &mdata->commands[i];
2938
2939 if (i == 0)
1e8a024a 2940 cur->offset = hdrsize;
3af9a47b
NC		 2941 else
2942 {
2943 bfd_mach_o_load_command *prev = &mdata->commands[i - 1];
2944 cur->offset = prev->offset + prev->len;
2945 }
2946
ab273af8 2947 if (bfd_mach_o_read_command (abfd, cur) < 0)
3af9a47b 2948 return -1;
a95a4550 2949 }
3af9a47b
NC		 2950 }
2951
2952 if (bfd_mach_o_scan_start_address (abfd) < 0)
7e3102a7 2953 return -1;
3af9a47b
NC		 2954
2955 bfd_mach_o_flatten_sections (abfd);
3af9a47b
NC		 2956 return 0;
2957}
2958
b34976b6 2959bfd_boolean
154a1ee5 2960bfd_mach_o_mkobject_init (bfd *abfd)
3af9a47b
NC		 2961{
2962 bfd_mach_o_data_struct *mdata = NULL;
2963
116c20d2 2964 mdata = bfd_alloc (abfd, sizeof (bfd_mach_o_data_struct));
3af9a47b 2965 if (mdata == NULL)
b34976b6 2966 return FALSE;
3af9a47b
NC		 2967 abfd->tdata.mach_o_data = mdata;
2968
2969 mdata->header.magic = 0;
2970 mdata->header.cputype = 0;
2971 mdata->header.cpusubtype = 0;
2972 mdata->header.filetype = 0;
2973 mdata->header.ncmds = 0;
2974 mdata->header.sizeofcmds = 0;
2975 mdata->header.flags = 0;
2976 mdata->header.byteorder = BFD_ENDIAN_UNKNOWN;
2977 mdata->commands = NULL;
3af9a47b
NC		 2978 mdata->nsects = 0;
2979 mdata->sections = NULL;
3af9a47b 2980
b34976b6 2981 return TRUE;
3af9a47b
NC		 2982}
2983
42fa0891
TG		 2984static bfd_boolean
2985bfd_mach_o_gen_mkobject (bfd *abfd)
2986{
2987 bfd_mach_o_data_struct *mdata;
2988
2989 if (!bfd_mach_o_mkobject_init (abfd))
2990 return FALSE;
2991
2992 mdata = bfd_mach_o_get_data (abfd);
2993 mdata->header.magic = BFD_MACH_O_MH_MAGIC;
2994 mdata->header.cputype = 0;
2995 mdata->header.cpusubtype = 0;
2996 mdata->header.byteorder = abfd->xvec->byteorder;
2997 mdata->header.version = 1;
2998
2999 return TRUE;
3000}
3001
3af9a47b 3002const bfd_target *
154a1ee5
TG		 3003bfd_mach_o_header_p (bfd *abfd,
3004 bfd_mach_o_filetype filetype,
3005 bfd_mach_o_cpu_type cputype)
3af9a47b 3006{
e84d6fca 3007 struct bfd_preserve preserve;
3af9a47b
NC		 3008 bfd_mach_o_header header;
3009
e84d6fca 3010 preserve.marker = NULL;
154a1ee5 3011 if (!bfd_mach_o_read_header (abfd, &header))
e84d6fca 3012 goto wrong;
3af9a47b 3013
e84d6fca
AM		 3014 if (! (header.byteorder == BFD_ENDIAN_BIG
3015 || header.byteorder == BFD_ENDIAN_LITTLE))
3af9a47b 3016 {
4a97a0e5
AM		 3017 (*_bfd_error_handler) (_("unknown header byte-order value 0x%lx"),
3018 (unsigned long) header.byteorder);
e84d6fca 3019 goto wrong;
3af9a47b
NC		 3020 }
3021
e84d6fca
AM		 3022 if (! ((header.byteorder == BFD_ENDIAN_BIG
3023 && abfd->xvec->byteorder == BFD_ENDIAN_BIG
3024 && abfd->xvec->header_byteorder == BFD_ENDIAN_BIG)
3025 || (header.byteorder == BFD_ENDIAN_LITTLE
3026 && abfd->xvec->byteorder == BFD_ENDIAN_LITTLE
3027 && abfd->xvec->header_byteorder == BFD_ENDIAN_LITTLE)))
3028 goto wrong;
3af9a47b 3029
154a1ee5
TG		 3030 /* Check cputype and filetype.
3031 In case of wildcard, do not accept magics that are handled by existing
3032 targets. */
3033 if (cputype)
3034 {
3035 if (header.cputype != cputype)
3036 goto wrong;
3037 }
3038 else
3039 {
3040 switch (header.cputype)
3041 {
3042 case BFD_MACH_O_CPU_TYPE_I386:
3043 /* Handled by mach-o-i386 */
3044 goto wrong;
3045 default:
3046 break;
3047 }
3048 }
3049 if (filetype)
3050 {
3051 if (header.filetype != filetype)
3052 goto wrong;
3053 }
3054 else
3055 {
3056 switch (header.filetype)
3057 {
3058 case BFD_MACH_O_MH_CORE:
3059 /* Handled by core_p */
3060 goto wrong;
3061 default:
3062 break;
3063 }
3064 }
3065
e84d6fca
AM		 3066 preserve.marker = bfd_zalloc (abfd, sizeof (bfd_mach_o_data_struct));
3067 if (preserve.marker == NULL
3068 || !bfd_preserve_save (abfd, &preserve))
3069 goto fail;
3af9a47b 3070
e84d6fca
AM		 3071 if (bfd_mach_o_scan (abfd, &header,
3072 (bfd_mach_o_data_struct *) preserve.marker) != 0)
3073 goto wrong;
a95a4550 3074
e84d6fca 3075 bfd_preserve_finish (abfd, &preserve);
3af9a47b 3076 return abfd->xvec;
e84d6fca
AM		 3077
3078 wrong:
3079 bfd_set_error (bfd_error_wrong_format);
3080
3081 fail:
3082 if (preserve.marker != NULL)
3083 bfd_preserve_restore (abfd, &preserve);
3084 return NULL;
3af9a47b
NC		 3085}
3086
154a1ee5
TG		 3087static const bfd_target *
3088bfd_mach_o_gen_object_p (bfd *abfd)
3af9a47b 3089{
154a1ee5
TG		 3090 return bfd_mach_o_header_p (abfd, 0, 0);
3091}
e84d6fca 3092
154a1ee5
TG		 3093static const bfd_target *
3094bfd_mach_o_gen_core_p (bfd *abfd)
3095{
3096 return bfd_mach_o_header_p (abfd, BFD_MACH_O_MH_CORE, 0);
3af9a47b
NC		 3097}
3098
3099typedef struct mach_o_fat_archentry
3100{
3101 unsigned long cputype;
3102 unsigned long cpusubtype;
3103 unsigned long offset;
3104 unsigned long size;
3105 unsigned long align;
3af9a47b
NC		 3106} mach_o_fat_archentry;
3107
3108typedef struct mach_o_fat_data_struct
3109{
3110 unsigned long magic;
3111 unsigned long nfat_arch;
3112 mach_o_fat_archentry *archentries;
3113} mach_o_fat_data_struct;
3114
3115const bfd_target *
116c20d2 3116bfd_mach_o_archive_p (bfd *abfd)
3af9a47b 3117{
e84d6fca 3118 mach_o_fat_data_struct *adata = NULL;
46d1c23b 3119 struct mach_o_fat_header_external hdr;
3af9a47b
NC		 3120 unsigned long i;
3121
c2f09c75 3122 if (bfd_seek (abfd, 0, SEEK_SET) != 0
46d1c23b 3123 || bfd_bread (&hdr, sizeof (hdr), abfd) != sizeof (hdr))
e84d6fca 3124 goto error;
3af9a47b 3125
116c20d2 3126 adata = bfd_alloc (abfd, sizeof (mach_o_fat_data_struct));
3af9a47b 3127 if (adata == NULL)
e84d6fca 3128 goto error;
a95a4550 3129
46d1c23b
TG		 3130 adata->magic = bfd_getb32 (hdr.magic);
3131 adata->nfat_arch = bfd_getb32 (hdr.nfat_arch);
3af9a47b 3132 if (adata->magic != 0xcafebabe)
e84d6fca 3133 goto error;
27cc28f9
AS		 3134 /* Avoid matching Java bytecode files, which have the same magic number.
3135 In the Java bytecode file format this field contains the JVM version,
3136 which starts at 43.0. */
3137 if (adata->nfat_arch > 30)
3138 goto error;
3af9a47b 3139
c2f09c75 3140 adata->archentries =
3af9a47b
NC		 3141 bfd_alloc (abfd, adata->nfat_arch * sizeof (mach_o_fat_archentry));
3142 if (adata->archentries == NULL)
e84d6fca 3143 goto error;
3af9a47b
NC		 3144
3145 for (i = 0; i < adata->nfat_arch; i++)
3146 {
46d1c23b
TG		 3147 struct mach_o_fat_arch_external arch;
3148 if (bfd_bread (&arch, sizeof (arch), abfd) != sizeof (arch))
e84d6fca 3149 goto error;
46d1c23b
TG		 3150 adata->archentries[i].cputype = bfd_getb32 (arch.cputype);
3151 adata->archentries[i].cpusubtype = bfd_getb32 (arch.cpusubtype);
3152 adata->archentries[i].offset = bfd_getb32 (arch.offset);
3153 adata->archentries[i].size = bfd_getb32 (arch.size);
3154 adata->archentries[i].align = bfd_getb32 (arch.align);
3af9a47b
NC		 3155 }
3156
3157 abfd->tdata.mach_o_fat_data = adata;
3158 return abfd->xvec;
e84d6fca
AM		 3159
3160 error:
3161 if (adata != NULL)
3162 bfd_release (abfd, adata);
3163 bfd_set_error (bfd_error_wrong_format);
3164 return NULL;
3af9a47b
NC		 3165}
3166
3167bfd *
116c20d2 3168bfd_mach_o_openr_next_archived_file (bfd *archive, bfd *prev)
3af9a47b 3169{
e84d6fca 3170 mach_o_fat_data_struct *adata;
3af9a47b
NC		 3171 mach_o_fat_archentry *entry = NULL;
3172 unsigned long i;
15e1c58a 3173 bfd *nbfd;
15e1c58a
TG		 3174 enum bfd_architecture arch_type;
3175 unsigned long arch_subtype;
3af9a47b 3176
e84d6fca 3177 adata = (mach_o_fat_data_struct *) archive->tdata.mach_o_fat_data;
3af9a47b
NC		 3178 BFD_ASSERT (adata != NULL);
3179
3180 /* Find index of previous entry. */
3181 if (prev == NULL)
3182 i = 0; /* Start at first one. */
3183 else
3184 {
3185 for (i = 0; i < adata->nfat_arch; i++)
3186 {
15e1c58a 3187 if (adata->archentries[i].offset == prev->origin)
3af9a47b
NC		 3188 break;
3189 }
3190
3191 if (i == adata->nfat_arch)
3192 {
3193 /* Not found. */
3194 bfd_set_error (bfd_error_bad_value);
a95a4550 3195 return NULL;
3af9a47b
NC		 3196 }
3197 i++; /* Get next entry. */
3198 }
a95a4550 3199
3af9a47b
NC		 3200 if (i >= adata->nfat_arch)
3201 {
3202 bfd_set_error (bfd_error_no_more_archived_files);
3203 return NULL;
3204 }
3205
3206 entry = &adata->archentries[i];
15e1c58a
TG		 3207 nbfd = _bfd_new_bfd_contained_in (archive);
3208 if (nbfd == NULL)
3209 return NULL;
3210
3211 nbfd->origin = entry->offset;
3212
3213 bfd_mach_o_convert_architecture (entry->cputype, entry->cpusubtype,
3214 &arch_type, &arch_subtype);
846b9259 3215
c0d9d051
TG		 3216 /* Create the member filename. Use ARCH_NAME. */
3217 nbfd->filename = bfd_printable_arch_mach (arch_type, arch_subtype);
15e1c58a 3218 nbfd->iostream = NULL;
846b9259 3219 bfd_set_arch_mach (nbfd, arch_type, arch_subtype);
3af9a47b 3220
15e1c58a 3221 return nbfd;
3af9a47b
NC		 3222}
3223
846b9259
TG		 3224/* If ABFD format is FORMAT and architecture is ARCH, return it.
3225 If ABFD is a fat image containing a member that corresponds to FORMAT
3226 and ARCH, returns it.
3227 In other case, returns NULL.
3228 This function allows transparent uses of fat images. */
3229bfd *
3230bfd_mach_o_fat_extract (bfd *abfd,
3231 bfd_format format,
3232 const bfd_arch_info_type *arch)
3233{
3234 bfd *res;
3235 mach_o_fat_data_struct *adata;
3236 unsigned int i;
3237
3238 if (bfd_check_format (abfd, format))
3239 {
3240 if (bfd_get_arch_info (abfd) == arch)
3241 return abfd;
3242 return NULL;
3243 }
3244 if (!bfd_check_format (abfd, bfd_archive)
3245 || abfd->xvec != &mach_o_fat_vec)
3246 return NULL;
c2f09c75 3247
846b9259
TG		 3248 /* This is a Mach-O fat image. */
3249 adata = (mach_o_fat_data_struct *) abfd->tdata.mach_o_fat_data;
3250 BFD_ASSERT (adata != NULL);
3251
3252 for (i = 0; i < adata->nfat_arch; i++)
3253 {
3254 struct mach_o_fat_archentry *e = &adata->archentries[i];
3255 enum bfd_architecture cpu_type;
3256 unsigned long cpu_subtype;
3257
3258 bfd_mach_o_convert_architecture (e->cputype, e->cpusubtype,
3259 &cpu_type, &cpu_subtype);
3260 if (cpu_type != arch->arch || cpu_subtype != arch->mach)
3261 continue;
3262
3263 /* The architecture is found. */
3264 res = _bfd_new_bfd_contained_in (abfd);
3265 if (res == NULL)
3266 return NULL;
3267
3268 res->origin = e->offset;
3269
c0d9d051 3270 res->filename = bfd_printable_arch_mach (cpu_type, cpu_subtype);
846b9259
TG		 3271 res->iostream = NULL;
3272
3273 if (bfd_check_format (res, format))
3274 {
3275 BFD_ASSERT (bfd_get_arch_info (res) == arch);
3276 return res;
3277 }
3278 bfd_close (res);
3279 return NULL;
3280 }
3281
3282 return NULL;
3283}
3284
3af9a47b 3285int
116c20d2
NC		 3286bfd_mach_o_lookup_command (bfd *abfd,
3287 bfd_mach_o_load_command_type type,
3288 bfd_mach_o_load_command **mcommand)
3af9a47b 3289{
046b007d 3290 struct mach_o_data_struct *md = bfd_mach_o_get_data (abfd);
3af9a47b
NC		 3291 bfd_mach_o_load_command *ncmd = NULL;
3292 unsigned int i, num;
3293
3af9a47b
NC		 3294 BFD_ASSERT (md != NULL);
3295 BFD_ASSERT (mcommand != NULL);
3296
3297 num = 0;
3298 for (i = 0; i < md->header.ncmds; i++)
3299 {
3300 struct bfd_mach_o_load_command *cmd = &md->commands[i];
3301
3302 if (cmd->type != type)
3303 continue;
3304
3305 if (num == 0)
3306 ncmd = cmd;
3307 num++;
3308 }
3309
3310 *mcommand = ncmd;
3311 return num;
3312}
3313
3314unsigned long
116c20d2 3315bfd_mach_o_stack_addr (enum bfd_mach_o_cpu_type type)
3af9a47b
NC		 3316{
3317 switch (type)
3318 {
3319 case BFD_MACH_O_CPU_TYPE_MC680x0:
3320 return 0x04000000;
3321 case BFD_MACH_O_CPU_TYPE_MC88000:
3322 return 0xffffe000;
3323 case BFD_MACH_O_CPU_TYPE_POWERPC:
3324 return 0xc0000000;
3325 case BFD_MACH_O_CPU_TYPE_I386:
3326 return 0xc0000000;
3327 case BFD_MACH_O_CPU_TYPE_SPARC:
3328 return 0xf0000000;
3329 case BFD_MACH_O_CPU_TYPE_I860:
3330 return 0;
3331 case BFD_MACH_O_CPU_TYPE_HPPA:
e84d6fca 3332 return 0xc0000000 - 0x04000000;
3af9a47b
NC		 3333 default:
3334 return 0;
3335 }
3336}
3337
046b007d 3338typedef struct bfd_mach_o_xlat_name
15e1c58a 3339{
046b007d
TG		 3340 const char *name;
3341 unsigned long val;
3342}
3343bfd_mach_o_xlat_name;
3344
3345static void
3346bfd_mach_o_print_flags (const bfd_mach_o_xlat_name *table,
3347 unsigned long val,
3348 FILE *file)
3349{
3350 int first = 1;
3351
3352 for (; table->name; table++)
3353 {
3354 if (table->val & val)
3355 {
3356 if (!first)
3357 fprintf (file, "+");
3358 fprintf (file, "%s", table->name);
3359 val &= ~table->val;
3360 first = 0;
3361 }
3362 }
3363 if (val)
3364 {
3365 if (!first)
3366 fprintf (file, "+");
3367 fprintf (file, "0x%lx", val);
3368 return;
3369 }
3370 if (first)
3371 fprintf (file, "-");
3372}
3373
3374static const char *
edbdea0e
TG		 3375bfd_mach_o_get_name_or_null (const bfd_mach_o_xlat_name *table,
3376 unsigned long val)
046b007d
TG		 3377{
3378 for (; table->name; table++)
3379 if (table->val == val)
3380 return table->name;
edbdea0e
TG		 3381 return NULL;
3382}
3383
3384static const char *
3385bfd_mach_o_get_name (const bfd_mach_o_xlat_name *table, unsigned long val)
3386{
3387 const char *res = bfd_mach_o_get_name_or_null (table, val);
3388
3389 if (res == NULL)
3390 return "*UNKNOWN*";
3391 else
3392 return res;
046b007d
TG		 3393}
3394
3395static bfd_mach_o_xlat_name bfd_mach_o_cpu_name[] =
3396{
afecc97c
TG		 3397 { "vax", BFD_MACH_O_CPU_TYPE_VAX },
3398 { "mc680x0", BFD_MACH_O_CPU_TYPE_MC680x0 },
3399 { "i386", BFD_MACH_O_CPU_TYPE_I386 },
3400 { "mips", BFD_MACH_O_CPU_TYPE_MIPS },
3401 { "mc98000", BFD_MACH_O_CPU_TYPE_MC98000 },
3402 { "hppa", BFD_MACH_O_CPU_TYPE_HPPA },
3403 { "arm", BFD_MACH_O_CPU_TYPE_ARM },
3404 { "mc88000", BFD_MACH_O_CPU_TYPE_MC88000 },
3405 { "sparc", BFD_MACH_O_CPU_TYPE_SPARC },
3406 { "i860", BFD_MACH_O_CPU_TYPE_I860 },
3407 { "alpha", BFD_MACH_O_CPU_TYPE_ALPHA },
3408 { "powerpc", BFD_MACH_O_CPU_TYPE_POWERPC },
3409 { "powerpc_64", BFD_MACH_O_CPU_TYPE_POWERPC_64 },
3410 { "x86_64", BFD_MACH_O_CPU_TYPE_X86_64 },
046b007d
TG		 3411 { NULL, 0}
3412};
3413
3414static bfd_mach_o_xlat_name bfd_mach_o_filetype_name[] =
3415{
afecc97c
TG		 3416 { "object", BFD_MACH_O_MH_OBJECT },
3417 { "execute", BFD_MACH_O_MH_EXECUTE },
3418 { "fvmlib", BFD_MACH_O_MH_FVMLIB },
3419 { "core", BFD_MACH_O_MH_CORE },
3420 { "preload", BFD_MACH_O_MH_PRELOAD },
3421 { "dylib", BFD_MACH_O_MH_DYLIB },
3422 { "dylinker", BFD_MACH_O_MH_DYLINKER },
3423 { "bundle", BFD_MACH_O_MH_BUNDLE },
3424 { "dylib_stub", BFD_MACH_O_MH_DYLIB_STUB },
3425 { "dym", BFD_MACH_O_MH_DSYM },
3426 { "kext_bundle", BFD_MACH_O_MH_KEXT_BUNDLE },
046b007d
TG		 3427 { NULL, 0}
3428};
3429
3430static bfd_mach_o_xlat_name bfd_mach_o_header_flags_name[] =
3431{
3432 { "noundefs", BFD_MACH_O_MH_NOUNDEFS },
3433 { "incrlink", BFD_MACH_O_MH_INCRLINK },
3434 { "dyldlink", BFD_MACH_O_MH_DYLDLINK },
3435 { "bindatload", BFD_MACH_O_MH_BINDATLOAD },
3436 { "prebound", BFD_MACH_O_MH_PREBOUND },
3437 { "split_segs", BFD_MACH_O_MH_SPLIT_SEGS },
3438 { "lazy_init", BFD_MACH_O_MH_LAZY_INIT },
3439 { "twolevel", BFD_MACH_O_MH_TWOLEVEL },
3440 { "force_flat", BFD_MACH_O_MH_FORCE_FLAT },
3441 { "nomultidefs", BFD_MACH_O_MH_NOMULTIDEFS },
3442 { "nofixprebinding", BFD_MACH_O_MH_NOFIXPREBINDING },
3443 { "prebindable", BFD_MACH_O_MH_PREBINDABLE },
3444 { "allmodsbound", BFD_MACH_O_MH_ALLMODSBOUND },
3445 { "subsections_via_symbols", BFD_MACH_O_MH_SUBSECTIONS_VIA_SYMBOLS },
3446 { "canonical", BFD_MACH_O_MH_CANONICAL },
3447 { "weak_defines", BFD_MACH_O_MH_WEAK_DEFINES },
3448 { "binds_to_weak", BFD_MACH_O_MH_BINDS_TO_WEAK },
3449 { "allow_stack_execution", BFD_MACH_O_MH_ALLOW_STACK_EXECUTION },
3450 { "root_safe", BFD_MACH_O_MH_ROOT_SAFE },
3451 { "setuid_safe", BFD_MACH_O_MH_SETUID_SAFE },
3452 { "no_reexported_dylibs", BFD_MACH_O_MH_NO_REEXPORTED_DYLIBS },
3453 { "pie", BFD_MACH_O_MH_PIE },
3454 { NULL, 0}
3455};
3456
3457static bfd_mach_o_xlat_name bfd_mach_o_section_type_name[] =
3458{
3459 { "regular", BFD_MACH_O_S_REGULAR},
3460 { "zerofill", BFD_MACH_O_S_ZEROFILL},
3461 { "cstring_literals", BFD_MACH_O_S_CSTRING_LITERALS},
3462 { "4byte_literals", BFD_MACH_O_S_4BYTE_LITERALS},
3463 { "8byte_literals", BFD_MACH_O_S_8BYTE_LITERALS},
3464 { "literal_pointers", BFD_MACH_O_S_LITERAL_POINTERS},
3465 { "non_lazy_symbol_pointers", BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS},
3466 { "lazy_symbol_pointers", BFD_MACH_O_S_LAZY_SYMBOL_POINTERS},
3467 { "symbol_stubs", BFD_MACH_O_S_SYMBOL_STUBS},
3468 { "mod_init_func_pointers", BFD_MACH_O_S_MOD_INIT_FUNC_POINTERS},
3469 { "mod_fini_func_pointers", BFD_MACH_O_S_MOD_FINI_FUNC_POINTERS},
3470 { "coalesced", BFD_MACH_O_S_COALESCED},
3471 { "gb_zerofill", BFD_MACH_O_S_GB_ZEROFILL},
3472 { "interposing", BFD_MACH_O_S_INTERPOSING},
3473 { "16byte_literals", BFD_MACH_O_S_16BYTE_LITERALS},
3474 { "dtrace_dof", BFD_MACH_O_S_DTRACE_DOF},
3475 { "lazy_dylib_symbol_pointers", BFD_MACH_O_S_LAZY_DYLIB_SYMBOL_POINTERS},
3476 { NULL, 0}
3477};
3478
3479static bfd_mach_o_xlat_name bfd_mach_o_section_attribute_name[] =
3480{
3481 { "loc_reloc", BFD_MACH_O_S_ATTR_LOC_RELOC },
3482 { "ext_reloc", BFD_MACH_O_S_ATTR_EXT_RELOC },
3483 { "some_instructions", BFD_MACH_O_S_ATTR_SOME_INSTRUCTIONS },
3484 { "debug", BFD_MACH_O_S_ATTR_DEBUG },
3485 { "modifying_code", BFD_MACH_O_S_SELF_MODIFYING_CODE },
3486 { "live_support", BFD_MACH_O_S_ATTR_LIVE_SUPPORT },
3487 { "no_dead_strip", BFD_MACH_O_S_ATTR_NO_DEAD_STRIP },
3488 { "strip_static_syms", BFD_MACH_O_S_ATTR_STRIP_STATIC_SYMS },
3489 { "no_toc", BFD_MACH_O_S_ATTR_NO_TOC },
3490 { "pure_instructions", BFD_MACH_O_S_ATTR_PURE_INSTRUCTIONS },
3491 { NULL, 0}
3492};
3493
3494static bfd_mach_o_xlat_name bfd_mach_o_load_command_name[] =
3495{
3496 { "segment", BFD_MACH_O_LC_SEGMENT},
3497 { "symtab", BFD_MACH_O_LC_SYMTAB},
3498 { "symseg", BFD_MACH_O_LC_SYMSEG},
3499 { "thread", BFD_MACH_O_LC_THREAD},
3500 { "unixthread", BFD_MACH_O_LC_UNIXTHREAD},
3501 { "loadfvmlib", BFD_MACH_O_LC_LOADFVMLIB},
3502 { "idfvmlib", BFD_MACH_O_LC_IDFVMLIB},
3503 { "ident", BFD_MACH_O_LC_IDENT},
3504 { "fvmfile", BFD_MACH_O_LC_FVMFILE},
3505 { "prepage", BFD_MACH_O_LC_PREPAGE},
3506 { "dysymtab", BFD_MACH_O_LC_DYSYMTAB},
3507 { "load_dylib", BFD_MACH_O_LC_LOAD_DYLIB},
3508 { "id_dylib", BFD_MACH_O_LC_ID_DYLIB},
3509 { "load_dylinker", BFD_MACH_O_LC_LOAD_DYLINKER},
3510 { "id_dylinker", BFD_MACH_O_LC_ID_DYLINKER},
3511 { "prebound_dylib", BFD_MACH_O_LC_PREBOUND_DYLIB},
3512 { "routines", BFD_MACH_O_LC_ROUTINES},
3513 { "sub_framework", BFD_MACH_O_LC_SUB_FRAMEWORK},
3514 { "sub_umbrella", BFD_MACH_O_LC_SUB_UMBRELLA},
3515 { "sub_client", BFD_MACH_O_LC_SUB_CLIENT},
3516 { "sub_library", BFD_MACH_O_LC_SUB_LIBRARY},
3517 { "twolevel_hints", BFD_MACH_O_LC_TWOLEVEL_HINTS},
3518 { "prebind_cksum", BFD_MACH_O_LC_PREBIND_CKSUM},
3519 { "load_weak_dylib", BFD_MACH_O_LC_LOAD_WEAK_DYLIB},
3520 { "segment_64", BFD_MACH_O_LC_SEGMENT_64},
3521 { "routines_64", BFD_MACH_O_LC_ROUTINES_64},
3522 { "uuid", BFD_MACH_O_LC_UUID},
3523 { "rpath", BFD_MACH_O_LC_RPATH},
3524 { "code_signature", BFD_MACH_O_LC_CODE_SIGNATURE},
3525 { "segment_split_info", BFD_MACH_O_LC_SEGMENT_SPLIT_INFO},
3526 { "reexport_dylib", BFD_MACH_O_LC_REEXPORT_DYLIB},
3527 { "lazy_load_dylib", BFD_MACH_O_LC_LAZY_LOAD_DYLIB},
3528 { "encryption_info", BFD_MACH_O_LC_ENCRYPTION_INFO},
ad86f1fb 3529 { "dyld_info", BFD_MACH_O_LC_DYLD_INFO},
edbdea0e
TG		 3530 { "load_upward_lib", BFD_MACH_O_LC_LOAD_UPWARD_DYLIB},
3531 { "version_min_macosx", BFD_MACH_O_LC_VERSION_MIN_MACOSX},
3532 { "version_min_iphoneos", BFD_MACH_O_LC_VERSION_MIN_IPHONEOS},
3533 { "function_starts", BFD_MACH_O_LC_FUNCTION_STARTS},
3534 { "dyld_environment", BFD_MACH_O_LC_DYLD_ENVIRONMENT},
046b007d
TG		 3535 { NULL, 0}
3536};
3537
53d58d96
TG		 3538/* Get the section type from NAME. Return -1 if NAME is unknown. */
3539
3540unsigned int
3541bfd_mach_o_get_section_type_from_name (const char *name)
3542{
3543 bfd_mach_o_xlat_name *x;
3544
3545 for (x = bfd_mach_o_section_type_name; x->name; x++)
3546 if (strcmp (x->name, name) == 0)
3547 return x->val;
3548 return (unsigned int)-1;
3549}
3550
3551/* Get the section attribute from NAME. Return -1 if NAME is unknown. */
3552
3553unsigned int
3554bfd_mach_o_get_section_attribute_from_name (const char *name)
3555{
3556 bfd_mach_o_xlat_name *x;
3557
3558 for (x = bfd_mach_o_section_attribute_name; x->name; x++)
3559 if (strcmp (x->name, name) == 0)
3560 return x->val;
3561 return (unsigned int)-1;
3562}
3563
046b007d
TG		 3564static void
3565bfd_mach_o_print_private_header (bfd *abfd, FILE *file)
3566{
3567 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
3568 bfd_mach_o_header *h = &mdata->header;
3569
afecc97c 3570 fputs (_("Mach-O header:\n"), file);
046b007d
TG		 3571 fprintf (file, _(" magic : %08lx\n"), h->magic);
3572 fprintf (file, _(" cputype : %08lx (%s)\n"), h->cputype,
3573 bfd_mach_o_get_name (bfd_mach_o_cpu_name, h->cputype));
3574 fprintf (file, _(" cpusubtype: %08lx\n"), h->cpusubtype);
3575 fprintf (file, _(" filetype : %08lx (%s)\n"),
3576 h->filetype,
3577 bfd_mach_o_get_name (bfd_mach_o_filetype_name, h->filetype));
b2b62060 3578 fprintf (file, _(" ncmds : %08lx (%lu)\n"), h->ncmds, h->ncmds);
046b007d
TG		 3579 fprintf (file, _(" sizeofcmds: %08lx\n"), h->sizeofcmds);
3580 fprintf (file, _(" flags : %08lx ("), h->flags);
3581 bfd_mach_o_print_flags (bfd_mach_o_header_flags_name, h->flags, file);
afecc97c 3582 fputs (_(")\n"), file);
b8674692 3583 fprintf (file, _(" reserved : %08x\n"), h->reserved);
046b007d
TG		 3584}
3585
3586static void
3587bfd_mach_o_print_section_map (bfd *abfd, FILE *file)
3588{
3589 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
f1bde64c 3590 unsigned int i;
15e1c58a
TG		 3591 unsigned int sec_nbr = 0;
3592
afecc97c
TG		 3593 fputs (_("Segments and Sections:\n"), file);
3594 fputs (_(" #: Segment name Section name Address\n"), file);
15e1c58a
TG		 3595
3596 for (i = 0; i < mdata->header.ncmds; i++)
3597 {
3598 bfd_mach_o_segment_command *seg;
f1bde64c 3599 bfd_mach_o_section *sec;
15e1c58a
TG		 3600
3601 if (mdata->commands[i].type != BFD_MACH_O_LC_SEGMENT
3602 && mdata->commands[i].type != BFD_MACH_O_LC_SEGMENT_64)
3603 continue;
3604
3605 seg = &mdata->commands[i].command.segment;
3606
3607 fprintf (file, "[Segment %-16s ", seg->segname);
3608 fprintf_vma (file, seg->vmaddr);
3609 fprintf (file, "-");
3610 fprintf_vma (file, seg->vmaddr + seg->vmsize - 1);
3611 fputc (' ', file);
3612 fputc (seg->initprot & BFD_MACH_O_PROT_READ ? 'r' : '-', file);
3613 fputc (seg->initprot & BFD_MACH_O_PROT_WRITE ? 'w' : '-', file);
3614 fputc (seg->initprot & BFD_MACH_O_PROT_EXECUTE ? 'x' : '-', file);
3615 fprintf (file, "]\n");
f1bde64c
TG		 3616
3617 for (sec = seg->sect_head; sec != NULL; sec = sec->next)
15e1c58a 3618 {
15e1c58a
TG		 3619 fprintf (file, "%02u: %-16s %-16s ", ++sec_nbr,
3620 sec->segname, sec->sectname);
3621 fprintf_vma (file, sec->addr);
3622 fprintf (file, " ");
3623 fprintf_vma (file, sec->size);
3624 fprintf (file, " %08lx\n", sec->flags);
3625 }
3626 }
046b007d
TG		 3627}
3628
046b007d
TG		 3629static void
3630bfd_mach_o_print_section (bfd *abfd ATTRIBUTE_UNUSED,
3631 bfd_mach_o_section *sec, FILE *file)
3632{
b32e07d7
TG		 3633 fprintf (file, " Section: %-16s %-16s (bfdname: %s)\n",
3634 sec->sectname, sec->segname, sec->bfdsection->name);
046b007d
TG		 3635 fprintf (file, " addr: ");
3636 fprintf_vma (file, sec->addr);
3637 fprintf (file, " size: ");
3638 fprintf_vma (file, sec->size);
3639 fprintf (file, " offset: ");
3640 fprintf_vma (file, sec->offset);
3641 fprintf (file, "\n");
3642 fprintf (file, " align: %ld", sec->align);
3643 fprintf (file, " nreloc: %lu reloff: ", sec->nreloc);
3644 fprintf_vma (file, sec->reloff);
3645 fprintf (file, "\n");
3646 fprintf (file, " flags: %08lx (type: %s", sec->flags,
3647 bfd_mach_o_get_name (bfd_mach_o_section_type_name,
3648 sec->flags & BFD_MACH_O_SECTION_TYPE_MASK));
3649 fprintf (file, " attr: ");
3650 bfd_mach_o_print_flags (bfd_mach_o_section_attribute_name,
3651 sec->flags & BFD_MACH_O_SECTION_ATTRIBUTES_MASK,
3652 file);
3653 fprintf (file, ")\n");
3654 switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK)
3655 {
3656 case BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS:
3657 case BFD_MACH_O_S_LAZY_SYMBOL_POINTERS:
3658 case BFD_MACH_O_S_SYMBOL_STUBS:
3659 fprintf (file, " first indirect sym: %lu", sec->reserved1);
3660 fprintf (file, " (%u entries)",
3661 bfd_mach_o_section_get_nbr_indirect (abfd, sec));
3662 break;
3663 default:
3664 fprintf (file, " reserved1: 0x%lx", sec->reserved1);
3665 break;
3666 }
3667 switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK)
3668 {
3669 case BFD_MACH_O_S_SYMBOL_STUBS:
3670 fprintf (file, " stub size: %lu", sec->reserved2);
3671 break;
3672 default:
3673 fprintf (file, " reserved2: 0x%lx", sec->reserved2);
3674 break;
3675 }
3676 fprintf (file, " reserved3: 0x%lx\n", sec->reserved3);
3677}
3678
3679static void
3680bfd_mach_o_print_segment (bfd *abfd ATTRIBUTE_UNUSED,
3681 bfd_mach_o_load_command *cmd, FILE *file)
3682{
3683 bfd_mach_o_segment_command *seg = &cmd->command.segment;
f1bde64c 3684 bfd_mach_o_section *sec;
046b007d 3685
b32e07d7 3686 fprintf (file, " name: %s\n", *seg->segname ? seg->segname : "*none*");
046b007d
TG		 3687 fprintf (file, " vmaddr: ");
3688 fprintf_vma (file, seg->vmaddr);
3689 fprintf (file, " vmsize: ");
3690 fprintf_vma (file, seg->vmsize);
3691 fprintf (file, "\n");
3692 fprintf (file, " fileoff: ");
3693 fprintf_vma (file, seg->fileoff);
3694 fprintf (file, " filesize: ");
3695 fprintf_vma (file, (bfd_vma)seg->filesize);
3696 fprintf (file, " endoff: ");
3697 fprintf_vma (file, (bfd_vma)(seg->fileoff + seg->filesize));
3698 fprintf (file, "\n");
3699 fprintf (file, " nsects: %lu ", seg->nsects);
3700 fprintf (file, " flags: %lx\n", seg->flags);
f1bde64c
TG		 3701 for (sec = seg->sect_head; sec != NULL; sec = sec->next)
3702 bfd_mach_o_print_section (abfd, sec, file);
046b007d
TG		 3703}
3704
3705static void
3706bfd_mach_o_print_dysymtab (bfd *abfd ATTRIBUTE_UNUSED,
3707 bfd_mach_o_load_command *cmd, FILE *file)
3708{
3709 bfd_mach_o_dysymtab_command *dysymtab = &cmd->command.dysymtab;
3710 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
3711 unsigned int i;
3712
b32e07d7 3713 fprintf (file, " local symbols: idx: %10lu num: %-8lu",
046b007d 3714 dysymtab->ilocalsym, dysymtab->nlocalsym);
b32e07d7
TG		 3715 fprintf (file, " (nxtidx: %lu)\n",
3716 dysymtab->ilocalsym + dysymtab->nlocalsym);
3717 fprintf (file, " external symbols: idx: %10lu num: %-8lu",
046b007d 3718 dysymtab->iextdefsym, dysymtab->nextdefsym);
b32e07d7
TG		 3719 fprintf (file, " (nxtidx: %lu)\n",
3720 dysymtab->iextdefsym + dysymtab->nextdefsym);
3721 fprintf (file, " undefined symbols: idx: %10lu num: %-8lu",
046b007d 3722 dysymtab->iundefsym, dysymtab->nundefsym);
b32e07d7
TG		 3723 fprintf (file, " (nxtidx: %lu)\n",
3724 dysymtab->iundefsym + dysymtab->nundefsym);
046b007d
TG		 3725 fprintf (file, " table of content: off: 0x%08lx num: %-8lu",
3726 dysymtab->tocoff, dysymtab->ntoc);
3727 fprintf (file, " (endoff: 0x%08lx)\n",
3728 dysymtab->tocoff
3729 + dysymtab->ntoc * BFD_MACH_O_TABLE_OF_CONTENT_SIZE);
3730 fprintf (file, " module table: off: 0x%08lx num: %-8lu",
3731 dysymtab->modtaboff, dysymtab->nmodtab);
3732 fprintf (file, " (endoff: 0x%08lx)\n",
3733 dysymtab->modtaboff + dysymtab->nmodtab
3734 * (mach_o_wide_p (&mdata->header) ?
3735 BFD_MACH_O_DYLIB_MODULE_64_SIZE : BFD_MACH_O_DYLIB_MODULE_SIZE));
3736 fprintf (file, " external reference table: off: 0x%08lx num: %-8lu",
3737 dysymtab->extrefsymoff, dysymtab->nextrefsyms);
3738 fprintf (file, " (endoff: 0x%08lx)\n",
3739 dysymtab->extrefsymoff
3740 + dysymtab->nextrefsyms * BFD_MACH_O_REFERENCE_SIZE);
3741 fprintf (file, " indirect symbol table: off: 0x%08lx num: %-8lu",
3742 dysymtab->indirectsymoff, dysymtab->nindirectsyms);
3743 fprintf (file, " (endoff: 0x%08lx)\n",
3744 dysymtab->indirectsymoff
3745 + dysymtab->nindirectsyms * BFD_MACH_O_INDIRECT_SYMBOL_SIZE);
3746 fprintf (file, " external relocation table: off: 0x%08lx num: %-8lu",
3747 dysymtab->extreloff, dysymtab->nextrel);
3748 fprintf (file, " (endoff: 0x%08lx)\n",
3749 dysymtab->extreloff + dysymtab->nextrel * BFD_MACH_O_RELENT_SIZE);
3750 fprintf (file, " local relocation table: off: 0x%08lx num: %-8lu",
3751 dysymtab->locreloff, dysymtab->nlocrel);
3752 fprintf (file, " (endoff: 0x%08lx)\n",
3753 dysymtab->locreloff + dysymtab->nlocrel * BFD_MACH_O_RELENT_SIZE);
3754
3755 if (dysymtab->ntoc > 0
3756 || dysymtab->nindirectsyms > 0
3757 || dysymtab->nextrefsyms > 0)
3758 {
3759 /* Try to read the symbols to display the toc or indirect symbols. */
ab273af8 3760 bfd_mach_o_read_symtab_symbols (abfd);
046b007d
TG		 3761 }
3762 else if (dysymtab->nmodtab > 0)
3763 {
3764 /* Try to read the strtab to display modules name. */
ab273af8 3765 bfd_mach_o_read_symtab_strtab (abfd);
046b007d
TG		 3766 }
3767
3768 for (i = 0; i < dysymtab->nmodtab; i++)
3769 {
3770 bfd_mach_o_dylib_module *module = &dysymtab->dylib_module[i];
3771 fprintf (file, " module %u:\n", i);
3772 fprintf (file, " name: %lu", module->module_name_idx);
3773 if (mdata->symtab && mdata->symtab->strtab)
3774 fprintf (file, ": %s",
3775 mdata->symtab->strtab + module->module_name_idx);
3776 fprintf (file, "\n");
3777 fprintf (file, " extdefsym: idx: %8lu num: %lu\n",
3778 module->iextdefsym, module->nextdefsym);
3779 fprintf (file, " refsym: idx: %8lu num: %lu\n",
3780 module->irefsym, module->nrefsym);
3781 fprintf (file, " localsym: idx: %8lu num: %lu\n",
3782 module->ilocalsym, module->nlocalsym);
3783 fprintf (file, " extrel: idx: %8lu num: %lu\n",
3784 module->iextrel, module->nextrel);
3785 fprintf (file, " init: idx: %8u num: %u\n",
3786 module->iinit, module->ninit);
3787 fprintf (file, " term: idx: %8u num: %u\n",
3788 module->iterm, module->nterm);
3789 fprintf (file, " objc_module_info: addr: ");
3790 fprintf_vma (file, module->objc_module_info_addr);
3791 fprintf (file, " size: %lu\n", module->objc_module_info_size);
3792 }
3793
3794 if (dysymtab->ntoc > 0)
3795 {
3796 bfd_mach_o_symtab_command *symtab = mdata->symtab;
3797
3798 fprintf (file, " table of content: (symbol/module)\n");
3799 for (i = 0; i < dysymtab->ntoc; i++)
3800 {
3801 bfd_mach_o_dylib_table_of_content *toc = &dysymtab->dylib_toc[i];
3802
3803 fprintf (file, " %4u: ", i);
3804 if (symtab && symtab->symbols && toc->symbol_index < symtab->nsyms)
3805 {
3806 const char *name = symtab->symbols[toc->symbol_index].symbol.name;
3807 fprintf (file, "%s (%lu)", name ? name : "*invalid*",
3808 toc->symbol_index);
3809 }
3810 else
3811 fprintf (file, "%lu", toc->symbol_index);
3812
3813 fprintf (file, " / ");
3814 if (symtab && symtab->strtab
3815 && toc->module_index < dysymtab->nmodtab)
3816 {
3817 bfd_mach_o_dylib_module *mod;
3818 mod = &dysymtab->dylib_module[toc->module_index];
3819 fprintf (file, "%s (%lu)",
3820 symtab->strtab + mod->module_name_idx,
3821 toc->module_index);
3822 }
3823 else
3824 fprintf (file, "%lu", toc->module_index);
3825
3826 fprintf (file, "\n");
3827 }
3828 }
3829
3830 if (dysymtab->nindirectsyms != 0)
3831 {
3832 fprintf (file, " indirect symbols:\n");
3833
3834 for (i = 0; i < mdata->nsects; i++)
3835 {
3836 bfd_mach_o_section *sec = mdata->sections[i];
3837 unsigned int j, first, last;
3838 bfd_mach_o_symtab_command *symtab = mdata->symtab;
afecc97c
TG		 3839 bfd_vma addr;
3840 bfd_vma entry_size;
046b007d
TG		 3841
3842 switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK)
3843 {
3844 case BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS:
3845 case BFD_MACH_O_S_LAZY_SYMBOL_POINTERS:
3846 case BFD_MACH_O_S_SYMBOL_STUBS:
3847 first = sec->reserved1;
3848 last = first + bfd_mach_o_section_get_nbr_indirect (abfd, sec);
afecc97c
TG		 3849 addr = sec->addr;
3850 entry_size = bfd_mach_o_section_get_entry_size (abfd, sec);
046b007d
TG		 3851 fprintf (file, " for section %s.%s:\n",
3852 sec->segname, sec->sectname);
3853 for (j = first; j < last; j++)
3854 {
3855 unsigned int isym = dysymtab->indirect_syms[j];
3856
afecc97c
TG		 3857 fprintf (file, " ");
3858 fprintf_vma (file, addr);
3859 fprintf (file, " %5u: 0x%08x", j, isym);
046b007d
TG		 3860 if (isym & BFD_MACH_O_INDIRECT_SYMBOL_LOCAL)
3861 fprintf (file, " LOCAL");
3862 if (isym & BFD_MACH_O_INDIRECT_SYMBOL_ABS)
3863 fprintf (file, " ABSOLUTE");
3864 if (symtab && symtab->symbols
3865 && isym < symtab->nsyms
3866 && symtab->symbols[isym].symbol.name)
3867 fprintf (file, " %s", symtab->symbols[isym].symbol.name);
3868 fprintf (file, "\n");
afecc97c 3869 addr += entry_size;
046b007d
TG		 3870 }
3871 break;
3872 default:
3873 break;
3874 }
3875 }
3876 }
3877 if (dysymtab->nextrefsyms > 0)
3878 {
3879 bfd_mach_o_symtab_command *symtab = mdata->symtab;
3880
3881 fprintf (file, " external reference table: (symbol flags)\n");
3882 for (i = 0; i < dysymtab->nextrefsyms; i++)
3883 {
3884 bfd_mach_o_dylib_reference *ref = &dysymtab->ext_refs[i];
3885
3886 fprintf (file, " %4u: %5lu 0x%02lx", i, ref->isym, ref->flags);
3887 if (symtab && symtab->symbols
3888 && ref->isym < symtab->nsyms
3889 && symtab->symbols[ref->isym].symbol.name)
3890 fprintf (file, " %s", symtab->symbols[ref->isym].symbol.name);
3891 fprintf (file, "\n");
3892 }
3893 }
3894
3895}
3896
ad86f1fb
TG		 3897static void
3898bfd_mach_o_print_dyld_info (bfd *abfd ATTRIBUTE_UNUSED,
3899 bfd_mach_o_load_command *cmd, FILE *file)
3900{
3901 bfd_mach_o_dyld_info_command *info = &cmd->command.dyld_info;
3902
3903 fprintf (file, " rebase: off: 0x%08x size: %-8u\n",
3904 info->rebase_off, info->rebase_size);
3905 fprintf (file, " bind: off: 0x%08x size: %-8u\n",
3906 info->bind_off, info->bind_size);
3907 fprintf (file, " weak bind: off: 0x%08x size: %-8u\n",
3908 info->weak_bind_off, info->weak_bind_size);
3909 fprintf (file, " lazy bind: off: 0x%08x size: %-8u\n",
3910 info->lazy_bind_off, info->lazy_bind_size);
3911 fprintf (file, " export: off: 0x%08x size: %-8u\n",
3912 info->export_off, info->export_size);
3913}
3914
046b007d 3915bfd_boolean
91d6fa6a 3916bfd_mach_o_bfd_print_private_bfd_data (bfd *abfd, void * ptr)
046b007d
TG		 3917{
3918 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
3919 FILE *file = (FILE *) ptr;
3920 unsigned int i;
3921
3922 bfd_mach_o_print_private_header (abfd, file);
3923 fputc ('\n', file);
15e1c58a
TG		 3924
3925 for (i = 0; i < mdata->header.ncmds; i++)
3926 {
3927 bfd_mach_o_load_command *cmd = &mdata->commands[i];
edbdea0e 3928 const char *cmd_name;
046b007d 3929
edbdea0e
TG		 3930 cmd_name = bfd_mach_o_get_name_or_null
3931 (bfd_mach_o_load_command_name, cmd->type);
3932 fprintf (file, "Load command ");
3933 if (cmd_name == NULL)
3934 fprintf (file, "0x%02x:", cmd->type);
3935 else
3936 fprintf (file, "%s:", cmd_name);
3937
15e1c58a
TG		 3938 switch (cmd->type)
3939 {
3940 case BFD_MACH_O_LC_SEGMENT:
3941 case BFD_MACH_O_LC_SEGMENT_64:
046b007d 3942 bfd_mach_o_print_segment (abfd, cmd, file);
15e1c58a
TG		 3943 break;
3944 case BFD_MACH_O_LC_UUID:
3945 {
3946 bfd_mach_o_uuid_command *uuid = &cmd->command.uuid;
91d6fa6a 3947 unsigned int j;
15e1c58a 3948
91d6fa6a
NC		 3949 for (j = 0; j < sizeof (uuid->uuid); j ++)
3950 fprintf (file, " %02x", uuid->uuid[j]);
15e1c58a
TG		 3951 fputc ('\n', file);
3952 }
3953 break;
3954 case BFD_MACH_O_LC_LOAD_DYLIB:
046b007d
TG		 3955 case BFD_MACH_O_LC_LOAD_WEAK_DYLIB:
3956 case BFD_MACH_O_LC_REEXPORT_DYLIB:
73017762 3957 case BFD_MACH_O_LC_LOAD_UPWARD_DYLIB:
046b007d 3958 case BFD_MACH_O_LC_ID_DYLIB:
15e1c58a
TG		 3959 {
3960 bfd_mach_o_dylib_command *dylib = &cmd->command.dylib;
b32e07d7 3961 fprintf (file, " %s\n", dylib->name_str);
15e1c58a
TG		 3962 fprintf (file, " time stamp: 0x%08lx\n",
3963 dylib->timestamp);
3964 fprintf (file, " current version: 0x%08lx\n",
3965 dylib->current_version);
3966 fprintf (file, " comptibility version: 0x%08lx\n",
3967 dylib->compatibility_version);
15e1c58a
TG		 3968 break;
3969 }
3970 case BFD_MACH_O_LC_LOAD_DYLINKER:
b32e07d7
TG		 3971 case BFD_MACH_O_LC_ID_DYLINKER:
3972 fprintf (file, " %s\n", cmd->command.dylinker.name_str);
3973 break;
15e1c58a
TG		 3974 case BFD_MACH_O_LC_SYMTAB:
3975 {
3976 bfd_mach_o_symtab_command *symtab = &cmd->command.symtab;
15e1c58a 3977 fprintf (file,
046b007d
TG		 3978 "\n"
3979 " symoff: 0x%08x nsyms: %8u (endoff: 0x%08x)\n",
3980 symtab->symoff, symtab->nsyms,
3981 symtab->symoff + symtab->nsyms
3982 * (mach_o_wide_p (&mdata->header)
3983 ? BFD_MACH_O_NLIST_64_SIZE : BFD_MACH_O_NLIST_SIZE));
15e1c58a 3984 fprintf (file,
046b007d
TG		 3985 " stroff: 0x%08x strsize: %8u (endoff: 0x%08x)\n",
3986 symtab->stroff, symtab->strsize,
3987 symtab->stroff + symtab->strsize);
15e1c58a
TG		 3988 break;
3989 }
046b007d
TG		 3990 case BFD_MACH_O_LC_DYSYMTAB:
3991 fprintf (file, "\n");
3992 bfd_mach_o_print_dysymtab (abfd, cmd, file);
3993 break;
3994 case BFD_MACH_O_LC_CODE_SIGNATURE:
3995 case BFD_MACH_O_LC_SEGMENT_SPLIT_INFO:
edbdea0e 3996 case BFD_MACH_O_LC_FUNCTION_STARTS:
046b007d
TG		 3997 {
3998 bfd_mach_o_linkedit_command *linkedit = &cmd->command.linkedit;
3999 fprintf
4000 (file, "\n"
4001 " dataoff: 0x%08lx datasize: 0x%08lx (endoff: 0x%08lx)\n",
4002 linkedit->dataoff, linkedit->datasize,
4003 linkedit->dataoff + linkedit->datasize);
4004 break;
4005 }
4006 case BFD_MACH_O_LC_SUB_FRAMEWORK:
4007 case BFD_MACH_O_LC_SUB_UMBRELLA:
4008 case BFD_MACH_O_LC_SUB_LIBRARY:
4009 case BFD_MACH_O_LC_SUB_CLIENT:
0c9b2b4c 4010 case BFD_MACH_O_LC_RPATH:
046b007d
TG		 4011 {
4012 bfd_mach_o_str_command *str = &cmd->command.str;
4013 fprintf (file, " %s\n", str->str);
4014 break;
4015 }
b32e07d7
TG		 4016 case BFD_MACH_O_LC_THREAD:
4017 case BFD_MACH_O_LC_UNIXTHREAD:
4018 {
4019 bfd_mach_o_thread_command *thread = &cmd->command.thread;
4020 unsigned int j;
4021 bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd);
4022
4023 fprintf (file, " nflavours: %lu\n", thread->nflavours);
4024 for (j = 0; j < thread->nflavours; j++)
4025 {
4026 bfd_mach_o_thread_flavour *flavour = &thread->flavours[j];
4027
4028 fprintf (file, " %2u: flavour: 0x%08lx offset: 0x%08lx"
4029 " size: 0x%08lx\n",
4030 j, flavour->flavour, flavour->offset,
4031 flavour->size);
4032 if (bed->_bfd_mach_o_print_thread)
4033 {
4034 char *buf = bfd_malloc (flavour->size);
4035
4036 if (buf
4037 && bfd_seek (abfd, flavour->offset, SEEK_SET) == 0
4038 && (bfd_bread (buf, flavour->size, abfd)
4039 == flavour->size))
4040 (*bed->_bfd_mach_o_print_thread)(abfd, flavour,
4041 file, buf);
4042 free (buf);
4043 }
4044 }
4045 break;
4046 }
ad86f1fb
TG		 4047 case BFD_MACH_O_LC_DYLD_INFO:
4048 fprintf (file, "\n");
4049 bfd_mach_o_print_dyld_info (abfd, cmd, file);
4050 break;
edbdea0e
TG		 4051 case BFD_MACH_O_LC_VERSION_MIN_MACOSX:
4052 case BFD_MACH_O_LC_VERSION_MIN_IPHONEOS:
4053 {
4054 bfd_mach_o_version_min_command *ver = &cmd->command.version_min;
4055
4056 fprintf (file, " %u.%u.%u\n", ver->rel, ver->maj, ver->min);
4057 }
4058 break;
15e1c58a 4059 default:
046b007d 4060 fprintf (file, "\n");
edbdea0e
TG		 4061 fprintf (file, " offset: 0x%08lx\n", (unsigned long)cmd->offset);
4062 fprintf (file, " size: 0x%08lx\n", (unsigned long)cmd->len);
15e1c58a
TG		 4063 break;
4064 }
046b007d 4065 fputc ('\n', file);
15e1c58a
TG		 4066 }
4067
046b007d
TG		 4068 bfd_mach_o_print_section_map (abfd, file);
4069
15e1c58a
TG		 4070 return TRUE;
4071}
4072
3af9a47b 4073int
116c20d2
NC		 4074bfd_mach_o_core_fetch_environment (bfd *abfd,
4075 unsigned char **rbuf,
4076 unsigned int *rlen)
3af9a47b 4077{
046b007d 4078 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
3af9a47b
NC		 4079 unsigned long stackaddr = bfd_mach_o_stack_addr (mdata->header.cputype);
4080 unsigned int i = 0;
4081
4082 for (i = 0; i < mdata->header.ncmds; i++)
4083 {
4084 bfd_mach_o_load_command *cur = &mdata->commands[i];
4085 bfd_mach_o_segment_command *seg = NULL;
4086
4087 if (cur->type != BFD_MACH_O_LC_SEGMENT)
4088 continue;
4089
4090 seg = &cur->command.segment;
4091
4092 if ((seg->vmaddr + seg->vmsize) == stackaddr)
4093 {
4094 unsigned long start = seg->fileoff;
4095 unsigned long end = seg->fileoff + seg->filesize;
4096 unsigned char *buf = bfd_malloc (1024);
4097 unsigned long size = 1024;
4098
4099 for (;;)
4100 {
4101 bfd_size_type nread = 0;
4102 unsigned long offset;
4103 int found_nonnull = 0;
4104
4105 if (size > (end - start))
4106 size = (end - start);
4107
515ef31d
NC		 4108 buf = bfd_realloc_or_free (buf, size);
4109 if (buf == NULL)
4110 return -1;
c2f09c75
TG		 4111
4112 if (bfd_seek (abfd, end - size, SEEK_SET) != 0)
4113 {
4114 free (buf);
4115 return -1;
4116 }
4117
3af9a47b 4118 nread = bfd_bread (buf, size, abfd);
a95a4550 4119
3af9a47b 4120 if (nread != size)
515ef31d
NC		 4121 {
4122 free (buf);
4123 return -1;
4124 }
a95a4550 4125
3af9a47b
NC		 4126 for (offset = 4; offset <= size; offset += 4)
4127 {
e84d6fca 4128 unsigned long val;
3af9a47b 4129
e84d6fca 4130 val = *((unsigned long *) (buf + size - offset));
3af9a47b
NC		 4131 if (! found_nonnull)
4132 {
4133 if (val != 0)
4134 found_nonnull = 1;
4135 }
4136 else if (val == 0x0)
4137 {
e84d6fca
AM		 4138 unsigned long bottom;
4139 unsigned long top;
3af9a47b 4140
e84d6fca
AM		 4141 bottom = seg->fileoff + seg->filesize - offset;
4142 top = seg->fileoff + seg->filesize - 4;
3af9a47b
NC		 4143 *rbuf = bfd_malloc (top - bottom);
4144 *rlen = top - bottom;
4145
4146 memcpy (*rbuf, buf + size - *rlen, *rlen);
515ef31d 4147 free (buf);
3af9a47b
NC		 4148 return 0;
4149 }
4150 }
4151
4152 if (size == (end - start))
4153 break;
4154
4155 size *= 2;
4156 }
515ef31d
NC		 4157
4158 free (buf);
3af9a47b
NC		 4159 }
4160 }
4161
4162 return -1;
4163}
4164
4165char *
116c20d2 4166bfd_mach_o_core_file_failing_command (bfd *abfd)
3af9a47b
NC		 4167{
4168 unsigned char *buf = NULL;
4169 unsigned int len = 0;
4170 int ret = -1;
4171
4172 ret = bfd_mach_o_core_fetch_environment (abfd, &buf, &len);
4173 if (ret < 0)
4174 return NULL;
4175
f075ee0c 4176 return (char *) buf;
3af9a47b
NC		 4177}
4178
4179int
116c20d2 4180bfd_mach_o_core_file_failing_signal (bfd *abfd ATTRIBUTE_UNUSED)
3af9a47b
NC		 4181{
4182 return 0;
4183}
4184
92bc0e80
TG		 4185#define bfd_mach_o_bfd_reloc_type_lookup _bfd_norelocs_bfd_reloc_type_lookup
4186#define bfd_mach_o_bfd_reloc_name_lookup _bfd_norelocs_bfd_reloc_name_lookup
4187
4188#define bfd_mach_o_swap_reloc_in NULL
4189#define bfd_mach_o_swap_reloc_out NULL
b32e07d7 4190#define bfd_mach_o_print_thread NULL
92bc0e80 4191
116c20d2
NC		 4192#define TARGET_NAME mach_o_be_vec
4193#define TARGET_STRING "mach-o-be"
42fa0891 4194#define TARGET_ARCHITECTURE bfd_arch_unknown
116c20d2
NC		 4195#define TARGET_BIG_ENDIAN 1
4196#define TARGET_ARCHIVE 0
3af9a47b
NC		 4197#include "mach-o-target.c"
4198
4199#undef TARGET_NAME
4200#undef TARGET_STRING
42fa0891 4201#undef TARGET_ARCHITECTURE
3af9a47b
NC		 4202#undef TARGET_BIG_ENDIAN
4203#undef TARGET_ARCHIVE
4204
116c20d2
NC		 4205#define TARGET_NAME mach_o_le_vec
4206#define TARGET_STRING "mach-o-le"
42fa0891 4207#define TARGET_ARCHITECTURE bfd_arch_unknown
116c20d2
NC		 4208#define TARGET_BIG_ENDIAN 0
4209#define TARGET_ARCHIVE 0
3af9a47b
NC		 4210
4211#include "mach-o-target.c"
4212
4213#undef TARGET_NAME
4214#undef TARGET_STRING
42fa0891 4215#undef TARGET_ARCHITECTURE
3af9a47b
NC		 4216#undef TARGET_BIG_ENDIAN
4217#undef TARGET_ARCHIVE
4218
8f95b6e4
TG		 4219/* Not yet handled: creating an archive. */
4220#define bfd_mach_o_mkarchive _bfd_noarchive_mkarchive
4221
4222/* Not used. */
4223#define bfd_mach_o_read_ar_hdr _bfd_noarchive_read_ar_hdr
4224#define bfd_mach_o_write_ar_hdr _bfd_noarchive_write_ar_hdr
4225#define bfd_mach_o_slurp_armap _bfd_noarchive_slurp_armap
4226#define bfd_mach_o_slurp_extended_name_table _bfd_noarchive_slurp_extended_name_table
4227#define bfd_mach_o_construct_extended_name_table _bfd_noarchive_construct_extended_name_table
4228#define bfd_mach_o_truncate_arname _bfd_noarchive_truncate_arname
4229#define bfd_mach_o_write_armap _bfd_noarchive_write_armap
4230#define bfd_mach_o_get_elt_at_index _bfd_noarchive_get_elt_at_index
4231#define bfd_mach_o_generic_stat_arch_elt _bfd_noarchive_generic_stat_arch_elt
4232#define bfd_mach_o_update_armap_timestamp _bfd_noarchive_update_armap_timestamp
4233
116c20d2
NC		 4234#define TARGET_NAME mach_o_fat_vec
4235#define TARGET_STRING "mach-o-fat"
42fa0891 4236#define TARGET_ARCHITECTURE bfd_arch_unknown
116c20d2
NC		 4237#define TARGET_BIG_ENDIAN 1
4238#define TARGET_ARCHIVE 1
3af9a47b
NC		 4239
4240#include "mach-o-target.c"
4241
4242#undef TARGET_NAME
4243#undef TARGET_STRING
42fa0891 4244#undef TARGET_ARCHITECTURE
3af9a47b
NC		 4245#undef TARGET_BIG_ENDIAN
4246#undef TARGET_ARCHIVE
GDB Binutils - Deliverables
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