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[/] [openrisc/] [trunk/] [gnu-src/] [binutils-2.20.1/] [bfd/] [mach-o.c] - Blame information for rev 252

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1 205 julius 
/* Mach-O support for BFD.
2 
   Copyright 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
3 
   Free Software Foundation, Inc.
4 
 
5 
   This file is part of BFD, the Binary File Descriptor library.
6 
 
7 
   This program is free software; you can redistribute it and/or modify
8 
   it under the terms of the GNU General Public License as published by
9 
   the Free Software Foundation; either version 3 of the License, or
10 
   (at your option) any later version.
11 
 
12 
   This program is distributed in the hope that it will be useful,
13 
   but WITHOUT ANY WARRANTY; without even the implied warranty of
14 
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 
   GNU General Public License for more details.
16 
 
17 
   You should have received a copy of the GNU General Public License
18 
   along with this program; if not, write to the Free Software
19 
   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
20 
   MA 02110-1301, USA.  */
21 
 
22 
#include "sysdep.h"
23 
#include "mach-o.h"
24 
#include "bfd.h"
25 
#include "libbfd.h"
26 
#include "libiberty.h"
27 
#include "aout/stab_gnu.h"
28 
#include <ctype.h>
29 
 
30 
#define bfd_mach_o_object_p bfd_mach_o_gen_object_p
31 
#define bfd_mach_o_core_p bfd_mach_o_gen_core_p
32 
#define bfd_mach_o_mkobject bfd_false
33 
 
34 
#define FILE_ALIGN(off, algn) \
35 
  (((off) + ((file_ptr) 1 << (algn)) - 1) & ((file_ptr) -1 << (algn)))
36 
 
37 
static int bfd_mach_o_scan_read_symtab_symbols (bfd *);
38 
 
39 
unsigned int
40 
bfd_mach_o_version (bfd *abfd)
41 
{
42 
  bfd_mach_o_data_struct *mdata = NULL;
43 
 
44 
  BFD_ASSERT (bfd_mach_o_valid (abfd));
45 
  mdata = bfd_mach_o_get_data (abfd);
46 
 
47 
  return mdata->header.version;
48 
}
49 
 
50 
bfd_boolean
51 
bfd_mach_o_valid (bfd *abfd)
52 
{
53 
  if (abfd == NULL || abfd->xvec == NULL)
54 
    return FALSE;
55 
 
56 
  if (abfd->xvec->flavour != bfd_target_mach_o_flavour)
57 
    return FALSE;
58 
 
59 
  if (bfd_mach_o_get_data (abfd) == NULL)
60 
    return FALSE;
61 
  return TRUE;
62 
}
63 
 
64 
static INLINE bfd_boolean
65 
mach_o_wide_p (bfd_mach_o_header *header)
66 
{
67 
  switch (header->version)
68 
    {
69 
    case 1:
70 
      return FALSE;
71 
    case 2:
72 
      return TRUE;
73 
    default:
74 
      BFD_FAIL ();
75 
      return FALSE;
76 
    }
77 
}
78 
 
79 
static INLINE bfd_boolean
80 
bfd_mach_o_wide_p (bfd *abfd)
81 
{
82 
  return mach_o_wide_p (&bfd_mach_o_get_data (abfd)->header);
83 
}
84 
 
85 
/* Tables to translate well known Mach-O segment/section names to bfd
86 
   names.  Use of canonical names (such as .text or .debug_frame) is required
87 
   by gdb.  */
88 
 
89 
struct mach_o_section_name_xlat
90 
{
91 
  const char *bfd_name;
92 
  const char *mach_o_name;
93 
};
94 
 
95 
static const struct mach_o_section_name_xlat dwarf_section_names_xlat[] =
96 
  {
97 
    { ".debug_frame", "__debug_frame" },
98 
    { ".debug_info", "__debug_info" },
99 
    { ".debug_abbrev", "__debug_abbrev" },
100 
    { ".debug_aranges", "__debug_aranges" },
101 
    { ".debug_macinfo", "__debug_macinfo" },
102 
    { ".debug_line", "__debug_line" },
103 
    { ".debug_loc", "__debug_loc" },
104 
    { ".debug_pubnames", "__debug_pubnames" },
105 
    { ".debug_pubtypes", "__debug_pubtypes" },
106 
    { ".debug_str", "__debug_str" },
107 
    { ".debug_ranges", "__debug_ranges" },
108 
    { NULL, NULL}
109 
  };
110 
 
111 
static const struct mach_o_section_name_xlat text_section_names_xlat[] =
112 
  {
113 
    { ".text", "__text" },
114 
    { ".const", "__const" },
115 
    { ".cstring", "__cstring" },
116 
    { ".eh_frame", "__eh_frame" },
117 
    { NULL, NULL}
118 
  };
119 
 
120 
static const struct mach_o_section_name_xlat data_section_names_xlat[] =
121 
  {
122 
    { ".data", "__data" },
123 
    { ".bss", "__bss" },
124 
    { NULL, NULL}
125 
  };
126 
 
127 
struct mach_o_segment_name_xlat
128 
{
129 
  const char *segname;
130 
  const struct mach_o_section_name_xlat *sections;
131 
};
132 
 
133 
static const struct mach_o_segment_name_xlat segsec_names_xlat[] =
134 
  {
135 
    { "__DWARF", dwarf_section_names_xlat },
136 
    { "__TEXT", text_section_names_xlat },
137 
    { "__DATA", data_section_names_xlat },
138 
    { NULL, NULL }
139 
  };
140 
 
141 
 
142 
/* Mach-O to bfd names.  */
143 
 
144 
static char *
145 
bfd_mach_o_convert_section_name_to_bfd (bfd *abfd, bfd_mach_o_section *section)
146 
{
147 
  const struct mach_o_segment_name_xlat *seg;
148 
  char *res;
149 
  unsigned int len;
150 
  const char *pfx = "";
151 
 
152 
  for (seg = segsec_names_xlat; seg->segname; seg++)
153 
    {
154 
      if (strcmp (seg->segname, section->segname) == 0)
155 
        {
156 
          const struct mach_o_section_name_xlat *sec;
157 
 
158 
          for (sec = seg->sections; sec->mach_o_name; sec++)
159 
            {
160 
              if (strcmp (sec->mach_o_name, section->sectname) == 0)
161 
                {
162 
                  len = strlen (sec->bfd_name);
163 
                  res = bfd_alloc (abfd, len + 1);
164 
 
165 
                  if (res == NULL)
166 
                    return NULL;
167 
                  strcpy (res, sec->bfd_name);
168 
                  return res;
169 
                }
170 
            }
171 
        }
172 
    }
173 
 
174 
  len = strlen (section->segname) + 1
175 
    + strlen (section->sectname) + 1;
176 
 
177 
  /* Put "LC_SEGMENT." prefix if the segment name is weird (ie doesn't start
178 
     with an underscore.  */
179 
  if (section->segname[0] != '_')
180 
    {
181 
      static const char seg_pfx[] = "LC_SEGMENT.";
182 
 
183 
      pfx = seg_pfx;
184 
      len += sizeof (seg_pfx) - 1;
185 
    }
186 
 
187 
  res = bfd_alloc (abfd, len);
188 
  if (res == NULL)
189 
    return NULL;
190 
  snprintf (res, len, "%s%s.%s", pfx, section->segname, section->sectname);
191 
  return res;
192 
}
193 
 
194 
/* Convert a bfd section name to a Mach-O segment + section name.  */
195 
 
196 
static void
197 
bfd_mach_o_convert_section_name_to_mach_o (bfd *abfd ATTRIBUTE_UNUSED,
198 
                                           asection *sect,
199 
                                           bfd_mach_o_section *section)
200 
{
201 
  const struct mach_o_segment_name_xlat *seg;
202 
  const char *name = bfd_get_section_name (abfd, sect);
203 
  const char *dot;
204 
  unsigned int len;
205 
  unsigned int seglen;
206 
  unsigned int seclen;
207 
 
208 
  /* List of well known names.  They all start with a dot.  */
209 
  if (name[0] == '.')
210 
    for (seg = segsec_names_xlat; seg->segname; seg++)
211 
      {
212 
        const struct mach_o_section_name_xlat *sec;
213 
 
214 
        for (sec = seg->sections; sec->mach_o_name; sec++)
215 
          {
216 
            if (strcmp (sec->bfd_name, name) == 0)
217 
              {
218 
                strcpy (section->segname, seg->segname);
219 
                strcpy (section->sectname, sec->mach_o_name);
220 
                return;
221 
              }
222 
          }
223 
      }
224 
 
225 
  /* Strip LC_SEGMENT. prefix.  */
226 
  if (strncmp (name, "LC_SEGMENT.", 11) == 0)
227 
    name += 11;
228 
 
229 
  /* Find a dot.  */
230 
  dot = strchr (name, '.');
231 
  len = strlen (name);
232 
 
233 
  /* Try to split name into segment and section names.  */
234 
  if (dot && dot != name)
235 
    {
236 
      seglen = dot - name;
237 
      seclen = len - (dot + 1 - name);
238 
 
239 
      if (seglen < 16 && seclen < 16)
240 
        {
241 
          memcpy (section->segname, name, seglen);
242 
          section->segname[seglen] = 0;
243 
          memcpy (section->sectname, dot + 1, seclen);
244 
          section->sectname[seclen] = 0;
245 
          return;
246 
        }
247 
    }
248 
 
249 
  if (len > 16)
250 
    len = 16;
251 
  memcpy (section->segname, name, len);
252 
  section->segname[len] = 0;
253 
  memcpy (section->sectname, name, len);
254 
  section->sectname[len] = 0;
255 
}
256 
 
257 
/* Copy any private info we understand from the input symbol
258 
   to the output symbol.  */
259 
 
260 
bfd_boolean
261 
bfd_mach_o_bfd_copy_private_symbol_data (bfd *ibfd ATTRIBUTE_UNUSED,
262 
                                         asymbol *isymbol ATTRIBUTE_UNUSED,
263 
                                         bfd *obfd ATTRIBUTE_UNUSED,
264 
                                         asymbol *osymbol ATTRIBUTE_UNUSED)
265 
{
266 
  return TRUE;
267 
}
268 
 
269 
/* Copy any private info we understand from the input section
270 
   to the output section.  */
271 
 
272 
bfd_boolean
273 
bfd_mach_o_bfd_copy_private_section_data (bfd *ibfd ATTRIBUTE_UNUSED,
274 
                                          asection *isection ATTRIBUTE_UNUSED,
275 
                                          bfd *obfd ATTRIBUTE_UNUSED,
276 
                                          asection *osection ATTRIBUTE_UNUSED)
277 
{
278 
  return TRUE;
279 
}
280 
 
281 
/* Copy any private info we understand from the input bfd
282 
   to the output bfd.  */
283 
 
284 
bfd_boolean
285 
bfd_mach_o_bfd_copy_private_bfd_data (bfd *ibfd, bfd *obfd)
286 
{
287 
  if (bfd_get_flavour (ibfd) != bfd_target_mach_o_flavour
288 
      || bfd_get_flavour (obfd) != bfd_target_mach_o_flavour)
289 
    return TRUE;
290 
 
291 
  BFD_ASSERT (bfd_mach_o_valid (ibfd));
292 
  BFD_ASSERT (bfd_mach_o_valid (obfd));
293 
 
294 
  /* FIXME: copy commands.  */
295 
 
296 
  return TRUE;
297 
}
298 
 
299 
/* Count the total number of symbols.  */
300 
 
301 
static long
302 
bfd_mach_o_count_symbols (bfd *abfd)
303 
{
304 
  bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
305 
 
306 
  if (mdata->symtab == NULL)
307 
    return 0;
308 
  return mdata->symtab->nsyms;
309 
}
310 
 
311 
long
312 
bfd_mach_o_get_symtab_upper_bound (bfd *abfd)
313 
{
314 
  long nsyms = bfd_mach_o_count_symbols (abfd);
315 
 
316 
  return ((nsyms + 1) * sizeof (asymbol *));
317 
}
318 
 
319 
long
320 
bfd_mach_o_canonicalize_symtab (bfd *abfd, asymbol **alocation)
321 
{
322 
  bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
323 
  long nsyms = bfd_mach_o_count_symbols (abfd);
324 
  bfd_mach_o_symtab_command *sym = mdata->symtab;
325 
  unsigned long j;
326 
 
327 
  if (nsyms < 0)
328 
    return nsyms;
329 
 
330 
  if (bfd_mach_o_scan_read_symtab_symbols (abfd) != 0)
331 
    {
332 
      fprintf (stderr,
333 
               "bfd_mach_o_canonicalize_symtab: unable to load symbols\n");
334 
      return 0;
335 
    }
336 
 
337 
  BFD_ASSERT (sym->symbols != NULL);
338 
 
339 
  for (j = 0; j < sym->nsyms; j++)
340 
    alocation[j] = &sym->symbols[j].symbol;
341 
 
342 
  alocation[j] = NULL;
343 
 
344 
  return nsyms;
345 
}
346 
 
347 
void
348 
bfd_mach_o_get_symbol_info (bfd *abfd ATTRIBUTE_UNUSED,
349 
                            asymbol *symbol,
350 
                            symbol_info *ret)
351 
{
352 
  bfd_symbol_info (symbol, ret);
353 
}
354 
 
355 
void
356 
bfd_mach_o_print_symbol (bfd *abfd,
357 
                         PTR afile,
358 
                         asymbol *symbol,
359 
                         bfd_print_symbol_type how)
360 
{
361 
  FILE *file = (FILE *) afile;
362 
  const char *name;
363 
  bfd_mach_o_asymbol *asym = (bfd_mach_o_asymbol *)symbol;
364 
 
365 
  switch (how)
366 
    {
367 
    case bfd_print_symbol_name:
368 
      fprintf (file, "%s", symbol->name);
369 
      break;
370 
    default:
371 
      bfd_print_symbol_vandf (abfd, (PTR) file, symbol);
372 
      if (asym->n_type & BFD_MACH_O_N_STAB)
373 
        name = bfd_get_stab_name (asym->n_type);
374 
      else
375 
        switch (asym->n_type & BFD_MACH_O_N_TYPE)
376 
          {
377 
          case BFD_MACH_O_N_UNDF:
378 
            name = "UND";
379 
            break;
380 
          case BFD_MACH_O_N_ABS:
381 
            name = "ABS";
382 
            break;
383 
          case BFD_MACH_O_N_INDR:
384 
            name = "INDR";
385 
            break;
386 
          case BFD_MACH_O_N_PBUD:
387 
            name = "PBUD";
388 
            break;
389 
          case BFD_MACH_O_N_SECT:
390 
            name = "SECT";
391 
            break;
392 
          default:
393 
            name = "???";
394 
            break;
395 
          }
396 
      if (name == NULL)
397 
        name = "";
398 
      fprintf (file, " %02x %-6s %02x %04x",
399 
               asym->n_type, name, asym->n_sect, asym->n_desc);
400 
      if ((asym->n_type & BFD_MACH_O_N_STAB) == 0
401 
          && (asym->n_type & BFD_MACH_O_N_TYPE) == BFD_MACH_O_N_SECT)
402 
        fprintf (file, " %-5s", symbol->section->name);
403 
      fprintf (file, " %s", symbol->name);
404 
    }
405 
}
406 
 
407 
static void
408 
bfd_mach_o_convert_architecture (bfd_mach_o_cpu_type mtype,
409 
                                 bfd_mach_o_cpu_subtype msubtype ATTRIBUTE_UNUSED,
410 
                                 enum bfd_architecture *type,
411 
                                 unsigned long *subtype)
412 
{
413 
  *subtype = bfd_arch_unknown;
414 
 
415 
  switch (mtype)
416 
    {
417 
    case BFD_MACH_O_CPU_TYPE_VAX: *type = bfd_arch_vax; break;
418 
    case BFD_MACH_O_CPU_TYPE_MC680x0: *type = bfd_arch_m68k; break;
419 
    case BFD_MACH_O_CPU_TYPE_I386:
420 
      *type = bfd_arch_i386;
421 
      *subtype = bfd_mach_i386_i386;
422 
      break;
423 
    case BFD_MACH_O_CPU_TYPE_X86_64:
424 
      *type = bfd_arch_i386;
425 
      *subtype = bfd_mach_x86_64;
426 
      break;
427 
    case BFD_MACH_O_CPU_TYPE_MIPS: *type = bfd_arch_mips; break;
428 
    case BFD_MACH_O_CPU_TYPE_MC98000: *type = bfd_arch_m98k; break;
429 
    case BFD_MACH_O_CPU_TYPE_HPPA: *type = bfd_arch_hppa; break;
430 
    case BFD_MACH_O_CPU_TYPE_ARM: *type = bfd_arch_arm; break;
431 
    case BFD_MACH_O_CPU_TYPE_MC88000: *type = bfd_arch_m88k; break;
432 
    case BFD_MACH_O_CPU_TYPE_SPARC:
433 
      *type = bfd_arch_sparc;
434 
      *subtype = bfd_mach_sparc;
435 
      break;
436 
    case BFD_MACH_O_CPU_TYPE_I860: *type = bfd_arch_i860; break;
437 
    case BFD_MACH_O_CPU_TYPE_ALPHA: *type = bfd_arch_alpha; break;
438 
    case BFD_MACH_O_CPU_TYPE_POWERPC:
439 
      *type = bfd_arch_powerpc;
440 
      *subtype = bfd_mach_ppc;
441 
      break;
442 
    case BFD_MACH_O_CPU_TYPE_POWERPC_64:
443 
      *type = bfd_arch_powerpc;
444 
      *subtype = bfd_mach_ppc64;
445 
      break;
446 
    default:
447 
      *type = bfd_arch_unknown;
448 
      break;
449 
    }
450 
}
451 
 
452 
static bfd_boolean
453 
bfd_mach_o_write_header (bfd *abfd, bfd_mach_o_header *header)
454 
{
455 
  unsigned char buf[32];
456 
  unsigned int size;
457 
 
458 
  size = mach_o_wide_p (header) ?
459 
    BFD_MACH_O_HEADER_64_SIZE : BFD_MACH_O_HEADER_SIZE;
460 
 
461 
  bfd_h_put_32 (abfd, header->magic, buf + 0);
462 
  bfd_h_put_32 (abfd, header->cputype, buf + 4);
463 
  bfd_h_put_32 (abfd, header->cpusubtype, buf + 8);
464 
  bfd_h_put_32 (abfd, header->filetype, buf + 12);
465 
  bfd_h_put_32 (abfd, header->ncmds, buf + 16);
466 
  bfd_h_put_32 (abfd, header->sizeofcmds, buf + 20);
467 
  bfd_h_put_32 (abfd, header->flags, buf + 24);
468 
 
469 
  if (mach_o_wide_p (header))
470 
    bfd_h_put_32 (abfd, header->reserved, buf + 28);
471 
 
472 
  if (bfd_seek (abfd, 0, SEEK_SET) != 0
473 
      || bfd_bwrite ((PTR) buf, size, abfd) != size)
474 
    return FALSE;
475 
 
476 
  return TRUE;
477 
}
478 
 
479 
static int
480 
bfd_mach_o_scan_write_thread (bfd *abfd, bfd_mach_o_load_command *command)
481 
{
482 
  bfd_mach_o_thread_command *cmd = &command->command.thread;
483 
  unsigned int i;
484 
  unsigned char buf[8];
485 
  unsigned int offset;
486 
  unsigned int nflavours;
487 
 
488 
  BFD_ASSERT ((command->type == BFD_MACH_O_LC_THREAD)
489 
              || (command->type == BFD_MACH_O_LC_UNIXTHREAD));
490 
 
491 
  offset = 8;
492 
  nflavours = 0;
493 
  for (i = 0; i < cmd->nflavours; i++)
494 
    {
495 
      BFD_ASSERT ((cmd->flavours[i].size % 4) == 0);
496 
      BFD_ASSERT (cmd->flavours[i].offset == (command->offset + offset + 8));
497 
 
498 
      bfd_h_put_32 (abfd, cmd->flavours[i].flavour, buf);
499 
      bfd_h_put_32 (abfd, (cmd->flavours[i].size / 4), buf + 4);
500 
 
501 
      if (bfd_seek (abfd, command->offset + offset, SEEK_SET) != 0
502 
          || bfd_bwrite ((PTR) buf, 8, abfd) != 8)
503 
        return -1;
504 
 
505 
      offset += cmd->flavours[i].size + 8;
506 
    }
507 
 
508 
  return 0;
509 
}
510 
 
511 
long
512 
bfd_mach_o_get_reloc_upper_bound (bfd *abfd ATTRIBUTE_UNUSED,
513 
                                  asection *asect)
514 
{
515 
  return (asect->reloc_count + 1) * sizeof (arelent *);
516 
}
517 
 
518 
static int
519 
bfd_mach_o_canonicalize_one_reloc (bfd *abfd, char *buf,
520 
                                   arelent *res, asymbol **syms)
521 
{
522 
  bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
523 
  bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd);
524 
  bfd_mach_o_reloc_info reloc;
525 
  bfd_vma addr;
526 
  bfd_vma symnum;
527 
  asymbol **sym;
528 
 
529 
  addr = bfd_get_32 (abfd, buf + 0);
530 
  symnum = bfd_get_32 (abfd, buf + 4);
531 
 
532 
  if (addr & BFD_MACH_O_SR_SCATTERED)
533 
    {
534 
      unsigned int j;
535 
 
536 
      /* Scattered relocation.
537 
         Extract section and offset from r_value.  */
538 
      res->sym_ptr_ptr = NULL;
539 
      res->addend = 0;
540 
      for (j = 0; j < mdata->nsects; j++)
541 
        {
542 
          bfd_mach_o_section *sect = mdata->sections[j];
543 
          if (symnum >= sect->addr && symnum < sect->addr + sect->size)
544 
            {
545 
              res->sym_ptr_ptr = sect->bfdsection->symbol_ptr_ptr;
546 
              res->addend = symnum - sect->addr;
547 
              break;
548 
            }
549 
        }
550 
      res->address = BFD_MACH_O_GET_SR_ADDRESS (addr);
551 
      reloc.r_type = BFD_MACH_O_GET_SR_TYPE (addr);
552 
      reloc.r_length = BFD_MACH_O_GET_SR_LENGTH (addr);
553 
      reloc.r_pcrel = addr & BFD_MACH_O_SR_PCREL;
554 
      reloc.r_scattered = 1;
555 
    }
556 
  else
557 
    {
558 
      unsigned int num = BFD_MACH_O_GET_R_SYMBOLNUM (symnum);
559 
      res->addend = 0;
560 
      res->address = addr;
561 
      if (symnum & BFD_MACH_O_R_EXTERN)
562 
        sym = syms + num;
563 
      else
564 
        {
565 
          BFD_ASSERT (num != 0);
566 
          BFD_ASSERT (num <= mdata->nsects);
567 
          sym = mdata->sections[num - 1]->bfdsection->symbol_ptr_ptr;
568 
        }
569 
      res->sym_ptr_ptr = sym;
570 
      reloc.r_type = BFD_MACH_O_GET_R_TYPE (symnum);
571 
      reloc.r_length = BFD_MACH_O_GET_R_LENGTH (symnum);
572 
      reloc.r_pcrel = (symnum & BFD_MACH_O_R_PCREL) ? 1 : 0;
573 
      reloc.r_scattered = 0;
574 
    }
575 
 
576 
  if (!(*bed->_bfd_mach_o_swap_reloc_in)(res, &reloc))
577 
    return -1;
578 
  return 0;
579 
}
580 
 
581 
static int
582 
bfd_mach_o_canonicalize_relocs (bfd *abfd, unsigned long filepos,
583 
                                unsigned long count,
584 
                                arelent *res, asymbol **syms)
585 
{
586 
  unsigned long i;
587 
  char *native_relocs;
588 
  bfd_size_type native_size;
589 
 
590 
  /* Allocate and read relocs.  */
591 
  native_size = count * BFD_MACH_O_RELENT_SIZE;
592 
  native_relocs = bfd_malloc (native_size);
593 
  if (native_relocs == NULL)
594 
    return -1;
595 
 
596 
  if (bfd_seek (abfd, filepos, SEEK_SET) != 0
597 
      || bfd_bread (native_relocs, native_size, abfd) != native_size)
598 
    goto err;
599 
 
600 
  for (i = 0; i < count; i++)
601 
    {
602 
      char *buf = native_relocs + BFD_MACH_O_RELENT_SIZE * i;
603 
 
604 
      if (bfd_mach_o_canonicalize_one_reloc (abfd, buf, &res[i], syms) < 0)
605 
        goto err;
606 
    }
607 
  free (native_relocs);
608 
  return i;
609 
 err:
610 
  free (native_relocs);
611 
  return -1;
612 
}
613 
 
614 
long
615 
bfd_mach_o_canonicalize_reloc (bfd *abfd, asection *asect,
616 
                               arelent **rels, asymbol **syms)
617 
{
618 
  bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd);
619 
  unsigned long i;
620 
  arelent *res;
621 
 
622 
  if (asect->reloc_count == 0)
623 
    return 0;
624 
 
625 
  /* No need to go further if we don't know how to read relocs.  */
626 
  if (bed->_bfd_mach_o_swap_reloc_in == NULL)
627 
    return 0;
628 
 
629 
  res = bfd_malloc (asect->reloc_count * sizeof (arelent));
630 
  if (res == NULL)
631 
    return -1;
632 
 
633 
  if (bfd_mach_o_canonicalize_relocs (abfd, asect->rel_filepos,
634 
                                      asect->reloc_count, res, syms) < 0)
635 
    {
636 
      free (res);
637 
      return -1;
638 
    }
639 
 
640 
  for (i = 0; i < asect->reloc_count; i++)
641 
    rels[i] = &res[i];
642 
  rels[i] = NULL;
643 
  asect->relocation = res;
644 
 
645 
  return i;
646 
}
647 
 
648 
long
649 
bfd_mach_o_get_dynamic_reloc_upper_bound (bfd *abfd)
650 
{
651 
  bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
652 
 
653 
  if (mdata->dysymtab == NULL)
654 
    return 1;
655 
  return (mdata->dysymtab->nextrel + mdata->dysymtab->nlocrel)
656 
    * sizeof (arelent *);
657 
}
658 
 
659 
long
660 
bfd_mach_o_canonicalize_dynamic_reloc (bfd *abfd, arelent **rels,
661 
                                       struct bfd_symbol **syms)
662 
{
663 
  bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
664 
  bfd_mach_o_dysymtab_command *dysymtab = mdata->dysymtab;
665 
  bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd);
666 
  unsigned long i;
667 
  arelent *res;
668 
 
669 
  if (dysymtab == NULL)
670 
    return 0;
671 
  if (dysymtab->nextrel == 0 && dysymtab->nlocrel == 0)
672 
    return 0;
673 
 
674 
  /* No need to go further if we don't know how to read relocs.  */
675 
  if (bed->_bfd_mach_o_swap_reloc_in == NULL)
676 
    return 0;
677 
 
678 
  res = bfd_malloc ((dysymtab->nextrel + dysymtab->nlocrel) * sizeof (arelent));
679 
  if (res == NULL)
680 
    return -1;
681 
 
682 
  if (bfd_mach_o_canonicalize_relocs (abfd, dysymtab->extreloff,
683 
                                      dysymtab->nextrel, res, syms) < 0)
684 
    {
685 
      free (res);
686 
      return -1;
687 
    }
688 
 
689 
  if (bfd_mach_o_canonicalize_relocs (abfd, dysymtab->locreloff,
690 
                                      dysymtab->nlocrel,
691 
                                      res + dysymtab->nextrel, syms) < 0)
692 
    {
693 
      free (res);
694 
      return -1;
695 
    }
696 
 
697 
  for (i = 0; i < dysymtab->nextrel + dysymtab->nlocrel; i++)
698 
    rels[i] = &res[i];
699 
  rels[i] = NULL;
700 
  return i;
701 
}
702 
 
703 
static bfd_boolean
704 
bfd_mach_o_scan_write_relocs (bfd *abfd, bfd_mach_o_section *section)
705 
{
706 
  bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
707 
  unsigned int i;
708 
  arelent **entries;
709 
  asection *sec;
710 
  bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd);
711 
 
712 
  sec = section->bfdsection;
713 
  if (sec->reloc_count == 0)
714 
    return TRUE;
715 
 
716 
  if (bed->_bfd_mach_o_swap_reloc_out == NULL)
717 
    return TRUE;
718 
 
719 
  /* Allocate relocation room.  */
720 
  mdata->filelen = FILE_ALIGN(mdata->filelen, 2);
721 
  section->nreloc = sec->reloc_count;
722 
  sec->rel_filepos = mdata->filelen;
723 
  section->reloff = sec->rel_filepos;
724 
  mdata->filelen += sec->reloc_count * BFD_MACH_O_RELENT_SIZE;
725 
 
726 
  if (bfd_seek (abfd, section->reloff, SEEK_SET) != 0)
727 
    return FALSE;
728 
 
729 
  /* Convert and write.  */
730 
  entries = section->bfdsection->orelocation;
731 
  for (i = 0; i < section->nreloc; i++)
732 
    {
733 
      arelent *rel = entries[i];
734 
      char buf[8];
735 
      bfd_mach_o_reloc_info info, *pinfo = &info;
736 
 
737 
      /* Convert relocation to an intermediate representation.  */
738 
      if (!(*bed->_bfd_mach_o_swap_reloc_out) (rel, pinfo))
739 
        return FALSE;
740 
 
741 
      /* Lower the relocation info.  */
742 
      if (pinfo->r_scattered)
743 
        {
744 
          unsigned long v;
745 
 
746 
          v = BFD_MACH_O_SR_SCATTERED
747 
            | (pinfo->r_pcrel ? BFD_MACH_O_SR_PCREL : 0)
748 
            | BFD_MACH_O_SET_SR_LENGTH(pinfo->r_length)
749 
            | BFD_MACH_O_SET_SR_TYPE(pinfo->r_type)
750 
            | BFD_MACH_O_SET_SR_ADDRESS(pinfo->r_address);
751 
          bfd_put_32 (abfd, v, buf);
752 
          bfd_put_32 (abfd, pinfo->r_value, buf + 4);
753 
        }
754 
      else
755 
        {
756 
          unsigned long v;
757 
 
758 
          bfd_put_32 (abfd, pinfo->r_address, buf);
759 
          v = BFD_MACH_O_SET_R_SYMBOLNUM (pinfo->r_value)
760 
            | (pinfo->r_pcrel ? BFD_MACH_O_R_PCREL : 0)
761 
            | BFD_MACH_O_SET_R_LENGTH (pinfo->r_length)
762 
            | (pinfo->r_extern ? BFD_MACH_O_R_EXTERN : 0)
763 
            | BFD_MACH_O_SET_R_TYPE (pinfo->r_type);
764 
          bfd_put_32 (abfd, v, buf + 4);
765 
        }
766 
 
767 
      if (bfd_bwrite ((PTR) buf, BFD_MACH_O_RELENT_SIZE, abfd)
768 
          != BFD_MACH_O_RELENT_SIZE)
769 
        return FALSE;
770 
    }
771 
  return TRUE;
772 
}
773 
 
774 
static int
775 
bfd_mach_o_scan_write_section_32 (bfd *abfd, bfd_mach_o_section *section)
776 
{
777 
  unsigned char buf[BFD_MACH_O_SECTION_SIZE];
778 
 
779 
  memcpy (buf, section->sectname, 16);
780 
  memcpy (buf + 16, section->segname, 16);
781 
  bfd_h_put_32 (abfd, section->addr, buf + 32);
782 
  bfd_h_put_32 (abfd, section->size, buf + 36);
783 
  bfd_h_put_32 (abfd, section->offset, buf + 40);
784 
  bfd_h_put_32 (abfd, section->align, buf + 44);
785 
  bfd_h_put_32 (abfd, section->reloff, buf + 48);
786 
  bfd_h_put_32 (abfd, section->nreloc, buf + 52);
787 
  bfd_h_put_32 (abfd, section->flags, buf + 56);
788 
  bfd_h_put_32 (abfd, section->reserved1, buf + 60);
789 
  bfd_h_put_32 (abfd, section->reserved2, buf + 64);
790 
 
791 
  if (bfd_bwrite ((PTR) buf, BFD_MACH_O_SECTION_SIZE, abfd)
792 
      != BFD_MACH_O_SECTION_SIZE)
793 
    return -1;
794 
 
795 
  return 0;
796 
}
797 
 
798 
static int
799 
bfd_mach_o_scan_write_section_64 (bfd *abfd, bfd_mach_o_section *section)
800 
{
801 
  unsigned char buf[BFD_MACH_O_SECTION_64_SIZE];
802 
 
803 
  memcpy (buf, section->sectname, 16);
804 
  memcpy (buf + 16, section->segname, 16);
805 
  bfd_h_put_64 (abfd, section->addr, buf + 32);
806 
  bfd_h_put_64 (abfd, section->size, buf + 40);
807 
  bfd_h_put_32 (abfd, section->offset, buf + 48);
808 
  bfd_h_put_32 (abfd, section->align, buf + 52);
809 
  bfd_h_put_32 (abfd, section->reloff, buf + 56);
810 
  bfd_h_put_32 (abfd, section->nreloc, buf + 60);
811 
  bfd_h_put_32 (abfd, section->flags, buf + 64);
812 
  bfd_h_put_32 (abfd, section->reserved1, buf + 68);
813 
  bfd_h_put_32 (abfd, section->reserved2, buf + 72);
814 
  bfd_h_put_32 (abfd, section->reserved3, buf + 76);
815 
 
816 
  if (bfd_bwrite ((PTR) buf, BFD_MACH_O_SECTION_64_SIZE, abfd)
817 
      != BFD_MACH_O_SECTION_64_SIZE)
818 
    return -1;
819 
 
820 
  return 0;
821 
}
822 
 
823 
static int
824 
bfd_mach_o_scan_write_segment_32 (bfd *abfd, bfd_mach_o_load_command *command)
825 
{
826 
  unsigned char buf[BFD_MACH_O_LC_SEGMENT_SIZE];
827 
  bfd_mach_o_segment_command *seg = &command->command.segment;
828 
  unsigned long i;
829 
 
830 
  BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT);
831 
 
832 
  for (i = 0; i < seg->nsects; i++)
833 
    if (!bfd_mach_o_scan_write_relocs (abfd, &seg->sections[i]))
834 
      return -1;
835 
 
836 
  memcpy (buf, seg->segname, 16);
837 
  bfd_h_put_32 (abfd, seg->vmaddr, buf + 16);
838 
  bfd_h_put_32 (abfd, seg->vmsize, buf + 20);
839 
  bfd_h_put_32 (abfd, seg->fileoff, buf + 24);
840 
  bfd_h_put_32 (abfd, seg->filesize, buf + 28);
841 
  bfd_h_put_32 (abfd, seg->maxprot, buf + 32);
842 
  bfd_h_put_32 (abfd, seg->initprot, buf + 36);
843 
  bfd_h_put_32 (abfd, seg->nsects, buf + 40);
844 
  bfd_h_put_32 (abfd, seg->flags, buf + 44);
845 
 
846 
  if (bfd_seek (abfd, command->offset + 8, SEEK_SET) != 0
847 
      || (bfd_bwrite ((PTR) buf, BFD_MACH_O_LC_SEGMENT_SIZE - 8, abfd)
848 
          != BFD_MACH_O_LC_SEGMENT_SIZE - 8))
849 
    return -1;
850 
 
851 
  for (i = 0; i < seg->nsects; i++)
852 
    if (bfd_mach_o_scan_write_section_32 (abfd, &seg->sections[i]))
853 
      return -1;
854 
 
855 
  return 0;
856 
}
857 
 
858 
static int
859 
bfd_mach_o_scan_write_segment_64 (bfd *abfd, bfd_mach_o_load_command *command)
860 
{
861 
  unsigned char buf[BFD_MACH_O_LC_SEGMENT_64_SIZE];
862 
  bfd_mach_o_segment_command *seg = &command->command.segment;
863 
  unsigned long i;
864 
 
865 
  BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT_64);
866 
 
867 
  for (i = 0; i < seg->nsects; i++)
868 
    if (!bfd_mach_o_scan_write_relocs (abfd, &seg->sections[i]))
869 
      return -1;
870 
 
871 
  memcpy (buf, seg->segname, 16);
872 
  bfd_h_put_64 (abfd, seg->vmaddr, buf + 16);
873 
  bfd_h_put_64 (abfd, seg->vmsize, buf + 24);
874 
  bfd_h_put_64 (abfd, seg->fileoff, buf + 32);
875 
  bfd_h_put_64 (abfd, seg->filesize, buf + 40);
876 
  bfd_h_put_32 (abfd, seg->maxprot, buf + 48);
877 
  bfd_h_put_32 (abfd, seg->initprot, buf + 52);
878 
  bfd_h_put_32 (abfd, seg->nsects, buf + 56);
879 
  bfd_h_put_32 (abfd, seg->flags, buf + 60);
880 
 
881 
  if (bfd_seek (abfd, command->offset + 8, SEEK_SET) != 0
882 
      || (bfd_bwrite ((PTR) buf, BFD_MACH_O_LC_SEGMENT_64_SIZE - 8, abfd)
883 
          != BFD_MACH_O_LC_SEGMENT_64_SIZE - 8))
884 
    return -1;
885 
 
886 
  for (i = 0; i < seg->nsects; i++)
887 
    if (bfd_mach_o_scan_write_section_64 (abfd, &seg->sections[i]))
888 
      return -1;
889 
 
890 
  return 0;
891 
}
892 
 
893 
static bfd_boolean
894 
bfd_mach_o_scan_write_symtab (bfd *abfd, bfd_mach_o_load_command *command)
895 
{
896 
  bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
897 
  bfd_mach_o_symtab_command *sym = &command->command.symtab;
898 
  unsigned char buf[16];
899 
  unsigned long i;
900 
  unsigned int wide = bfd_mach_o_wide_p (abfd);
901 
  unsigned int symlen = wide ? BFD_MACH_O_NLIST_64_SIZE : BFD_MACH_O_NLIST_SIZE;
902 
  struct bfd_strtab_hash *strtab;
903 
  asymbol **symbols = bfd_get_outsymbols (abfd);
904 
 
905 
  BFD_ASSERT (command->type == BFD_MACH_O_LC_SYMTAB);
906 
 
907 
  /* Write the symbols first.  */
908 
  mdata->filelen = FILE_ALIGN(mdata->filelen, wide ? 3 : 2);
909 
  sym->symoff = mdata->filelen;
910 
  if (bfd_seek (abfd, sym->symoff, SEEK_SET) != 0)
911 
    return FALSE;
912 
 
913 
  sym->nsyms = bfd_get_symcount (abfd);
914 
  mdata->filelen += sym->nsyms * symlen;
915 
 
916 
  strtab = _bfd_stringtab_init ();
917 
  if (strtab == NULL)
918 
    return FALSE;
919 
 
920 
  for (i = 0; i < sym->nsyms; i++)
921 
    {
922 
      unsigned char buf[16];
923 
      bfd_size_type index;
924 
      bfd_mach_o_asymbol *s = (bfd_mach_o_asymbol *)symbols[i];
925 
 
926 
      /* Compute name index.  */
927 
      /* An index of 0 always means the empty string.  */
928 
      if (s->symbol.name == 0 || s->symbol.name[0] == '\0')
929 
        index = 0;
930 
      else
931 
        {
932 
          index = _bfd_stringtab_add (strtab, s->symbol.name, TRUE, FALSE);
933 
          if (index == (bfd_size_type) -1)
934 
            goto err;
935 
        }
936 
      bfd_h_put_32 (abfd, index, buf);
937 
      bfd_h_put_8 (abfd, s->n_type, buf + 4);
938 
      bfd_h_put_8 (abfd, s->n_sect, buf + 5);
939 
      bfd_h_put_16 (abfd, s->n_desc, buf + 6);
940 
      if (wide)
941 
        bfd_h_put_64 (abfd, s->symbol.section->vma + s->symbol.value, buf + 8);
942 
      else
943 
        bfd_h_put_32 (abfd, s->symbol.section->vma + s->symbol.value, buf + 8);
944 
 
945 
      if (bfd_bwrite ((PTR) buf, symlen, abfd) != symlen)
946 
        goto err;
947 
    }
948 
  sym->strsize = _bfd_stringtab_size (strtab);
949 
  sym->stroff = mdata->filelen;
950 
  mdata->filelen += sym->strsize;
951 
 
952 
  if (_bfd_stringtab_emit (abfd, strtab) != TRUE)
953 
    goto err;
954 
  _bfd_stringtab_free (strtab);
955 
 
956 
  /* The command.  */
957 
  bfd_h_put_32 (abfd, sym->symoff, buf);
958 
  bfd_h_put_32 (abfd, sym->nsyms, buf + 4);
959 
  bfd_h_put_32 (abfd, sym->stroff, buf + 8);
960 
  bfd_h_put_32 (abfd, sym->strsize, buf + 12);
961 
 
962 
  if (bfd_seek (abfd, command->offset + 8, SEEK_SET) != 0
963 
      || bfd_bwrite ((PTR) buf, 16, abfd) != 16)
964 
    return FALSE;
965 
 
966 
  return TRUE;
967 
 
968 
 err:
969 
  _bfd_stringtab_free (strtab);
970 
  return FALSE;
971 
}
972 
 
973 
/* Process the symbols and generate Mach-O specific fields.
974 
   Number them.  */
975 
 
976 
static bfd_boolean
977 
bfd_mach_o_mangle_symbols (bfd *abfd)
978 
{
979 
  unsigned long i;
980 
  asymbol **symbols = bfd_get_outsymbols (abfd);
981 
 
982 
  for (i = 0; i < bfd_get_symcount (abfd); i++)
983 
    {
984 
      bfd_mach_o_asymbol *s = (bfd_mach_o_asymbol *)symbols[i];
985 
 
986 
      if (s->n_type == BFD_MACH_O_N_UNDF && !(s->symbol.flags & BSF_DEBUGGING))
987 
        {
988 
          /* As genuine Mach-O symbols type shouldn't be N_UNDF (undefined
989 
             symbols should be N_UNDEF | N_EXT), we suppose the back-end
990 
             values haven't been set.  */
991 
          if (s->symbol.section == bfd_abs_section_ptr)
992 
            s->n_type = BFD_MACH_O_N_ABS;
993 
          else if (s->symbol.section == bfd_und_section_ptr)
994 
            {
995 
              s->n_type = BFD_MACH_O_N_UNDF;
996 
              if (s->symbol.flags & BSF_WEAK)
997 
                s->n_desc |= BFD_MACH_O_N_WEAK_REF;
998 
            }
999 
          else if (s->symbol.section == bfd_com_section_ptr)
1000 
            s->n_type = BFD_MACH_O_N_UNDF | BFD_MACH_O_N_EXT;
1001 
          else
1002 
            s->n_type = BFD_MACH_O_N_SECT;
1003 
 
1004 
          if (s->symbol.flags & BSF_GLOBAL)
1005 
            s->n_type |= BFD_MACH_O_N_EXT;
1006 
        }
1007 
 
1008 
      /* Compute section index.  */
1009 
      if (s->symbol.section != bfd_abs_section_ptr
1010 
          && s->symbol.section != bfd_und_section_ptr
1011 
          && s->symbol.section != bfd_com_section_ptr)
1012 
        s->n_sect = s->symbol.section->target_index;
1013 
 
1014 
      /* Number symbols.  */
1015 
      s->symbol.udata.i = i;
1016 
    }
1017 
  return TRUE;
1018 
}
1019 
 
1020 
bfd_boolean
1021 
bfd_mach_o_write_contents (bfd *abfd)
1022 
{
1023 
  unsigned int i;
1024 
  bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
1025 
 
1026 
  if (mdata->header.ncmds == 0)
1027 
    if (!bfd_mach_o_build_commands (abfd))
1028 
      return FALSE;
1029 
 
1030 
  /* Now write header information.  */
1031 
  if (mdata->header.filetype == 0)
1032 
    {
1033 
      if (abfd->flags & EXEC_P)
1034 
        mdata->header.filetype = BFD_MACH_O_MH_EXECUTE;
1035 
      else if (abfd->flags & DYNAMIC)
1036 
        mdata->header.filetype = BFD_MACH_O_MH_DYLIB;
1037 
      else
1038 
        mdata->header.filetype = BFD_MACH_O_MH_OBJECT;
1039 
    }
1040 
  if (!bfd_mach_o_write_header (abfd, &mdata->header))
1041 
    return FALSE;
1042 
 
1043 
  /* Assign a number to each symbols.  */
1044 
  if (!bfd_mach_o_mangle_symbols (abfd))
1045 
    return FALSE;
1046 
 
1047 
  for (i = 0; i < mdata->header.ncmds; i++)
1048 
    {
1049 
      unsigned char buf[8];
1050 
      bfd_mach_o_load_command *cur = &mdata->commands[i];
1051 
      unsigned long typeflag;
1052 
 
1053 
      typeflag = cur->type | (cur->type_required ? BFD_MACH_O_LC_REQ_DYLD : 0);
1054 
 
1055 
      bfd_h_put_32 (abfd, typeflag, buf);
1056 
      bfd_h_put_32 (abfd, cur->len, buf + 4);
1057 
 
1058 
      if (bfd_seek (abfd, cur->offset, SEEK_SET) != 0
1059 
          || bfd_bwrite ((PTR) buf, 8, abfd) != 8)
1060 
        return FALSE;
1061 
 
1062 
      switch (cur->type)
1063 
        {
1064 
        case BFD_MACH_O_LC_SEGMENT:
1065 
          if (bfd_mach_o_scan_write_segment_32 (abfd, cur) != 0)
1066 
            return FALSE;
1067 
          break;
1068 
        case BFD_MACH_O_LC_SEGMENT_64:
1069 
          if (bfd_mach_o_scan_write_segment_64 (abfd, cur) != 0)
1070 
            return FALSE;
1071 
          break;
1072 
        case BFD_MACH_O_LC_SYMTAB:
1073 
          if (!bfd_mach_o_scan_write_symtab (abfd, cur))
1074 
            return FALSE;
1075 
          break;
1076 
        case BFD_MACH_O_LC_SYMSEG:
1077 
          break;
1078 
        case BFD_MACH_O_LC_THREAD:
1079 
        case BFD_MACH_O_LC_UNIXTHREAD:
1080 
          if (bfd_mach_o_scan_write_thread (abfd, cur) != 0)
1081 
            return FALSE;
1082 
          break;
1083 
        case BFD_MACH_O_LC_LOADFVMLIB:
1084 
        case BFD_MACH_O_LC_IDFVMLIB:
1085 
        case BFD_MACH_O_LC_IDENT:
1086 
        case BFD_MACH_O_LC_FVMFILE:
1087 
        case BFD_MACH_O_LC_PREPAGE:
1088 
        case BFD_MACH_O_LC_DYSYMTAB:
1089 
        case BFD_MACH_O_LC_LOAD_DYLIB:
1090 
        case BFD_MACH_O_LC_LOAD_WEAK_DYLIB:
1091 
        case BFD_MACH_O_LC_ID_DYLIB:
1092 
        case BFD_MACH_O_LC_REEXPORT_DYLIB:
1093 
        case BFD_MACH_O_LC_LOAD_DYLINKER:
1094 
        case BFD_MACH_O_LC_ID_DYLINKER:
1095 
        case BFD_MACH_O_LC_PREBOUND_DYLIB:
1096 
        case BFD_MACH_O_LC_ROUTINES:
1097 
        case BFD_MACH_O_LC_SUB_FRAMEWORK:
1098 
          break;
1099 
        default:
1100 
          fprintf (stderr,
1101 
                   "unable to write unknown load command 0x%lx\n",
1102 
                   (unsigned long) cur->type);
1103 
          return FALSE;
1104 
        }
1105 
    }
1106 
 
1107 
  return TRUE;
1108 
}
1109 
 
1110 
/* Build Mach-O load commands from the sections.  */
1111 
 
1112 
bfd_boolean
1113 
bfd_mach_o_build_commands (bfd *abfd)
1114 
{
1115 
  bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
1116 
  unsigned int wide = mach_o_wide_p (&mdata->header);
1117 
  bfd_mach_o_segment_command *seg;
1118 
  bfd_mach_o_section *sections;
1119 
  asection *sec;
1120 
  bfd_mach_o_load_command *cmd;
1121 
  bfd_mach_o_load_command *symtab_cmd;
1122 
  int target_index;
1123 
 
1124 
  /* Return now if commands are already built.  */
1125 
  if (mdata->header.ncmds)
1126 
    return FALSE;
1127 
 
1128 
  /* Very simple version: 1 command (segment) containing all sections.  */
1129 
  mdata->header.ncmds = 2;
1130 
  mdata->commands = bfd_alloc (abfd, mdata->header.ncmds
1131 
                               * sizeof (bfd_mach_o_load_command));
1132 
  if (mdata->commands == NULL)
1133 
    return FALSE;
1134 
  cmd = &mdata->commands[0];
1135 
  seg = &cmd->command.segment;
1136 
 
1137 
  seg->nsects = bfd_count_sections (abfd);
1138 
  sections = bfd_alloc (abfd, seg->nsects * sizeof (bfd_mach_o_section));
1139 
  if (sections == NULL)
1140 
    return FALSE;
1141 
  seg->sections = sections;
1142 
 
1143 
  /* Set segment command.  */
1144 
  if (wide)
1145 
    {
1146 
      cmd->type = BFD_MACH_O_LC_SEGMENT_64;
1147 
      cmd->offset = BFD_MACH_O_HEADER_64_SIZE;
1148 
      cmd->len = BFD_MACH_O_LC_SEGMENT_64_SIZE
1149 
        + BFD_MACH_O_SECTION_64_SIZE * seg->nsects;
1150 
    }
1151 
  else
1152 
    {
1153 
      cmd->type = BFD_MACH_O_LC_SEGMENT;
1154 
      cmd->offset = BFD_MACH_O_HEADER_SIZE;
1155 
      cmd->len = BFD_MACH_O_LC_SEGMENT_SIZE
1156 
        + BFD_MACH_O_SECTION_SIZE * seg->nsects;
1157 
    }
1158 
  cmd->type_required = FALSE;
1159 
  mdata->header.sizeofcmds = cmd->len;
1160 
  mdata->filelen = cmd->offset + cmd->len;
1161 
 
1162 
  /* Set symtab command.  */
1163 
  symtab_cmd = &mdata->commands[1];
1164 
 
1165 
  symtab_cmd->type = BFD_MACH_O_LC_SYMTAB;
1166 
  symtab_cmd->offset = cmd->offset + cmd->len;
1167 
  symtab_cmd->len = 6 * 4;
1168 
  symtab_cmd->type_required = FALSE;
1169 
 
1170 
  mdata->header.sizeofcmds += symtab_cmd->len;
1171 
  mdata->filelen += symtab_cmd->len;
1172 
 
1173 
  /* Fill segment command.  */
1174 
  memset (seg->segname, 0, sizeof (seg->segname));
1175 
  seg->vmaddr = 0;
1176 
  seg->fileoff = mdata->filelen;
1177 
  seg->filesize = 0;
1178 
  seg->maxprot = BFD_MACH_O_PROT_READ | BFD_MACH_O_PROT_WRITE
1179 
    | BFD_MACH_O_PROT_EXECUTE;
1180 
  seg->initprot = seg->maxprot;
1181 
  seg->flags = 0;
1182 
 
1183 
  /* Create Mach-O sections.  */
1184 
  target_index = 0;
1185 
  for (sec = abfd->sections; sec; sec = sec->next)
1186 
    {
1187 
      sections->bfdsection = sec;
1188 
      bfd_mach_o_convert_section_name_to_mach_o (abfd, sec, sections);
1189 
      sections->addr = bfd_get_section_vma (abfd, sec);
1190 
      sections->size = bfd_get_section_size (sec);
1191 
      sections->align = bfd_get_section_alignment (abfd, sec);
1192 
 
1193 
      if (sections->size != 0)
1194 
        {
1195 
          mdata->filelen = FILE_ALIGN (mdata->filelen, sections->align);
1196 
          sections->offset = mdata->filelen;
1197 
        }
1198 
      else
1199 
        sections->offset = 0;
1200 
      sections->reloff = 0;
1201 
      sections->nreloc = 0;
1202 
      sections->reserved1 = 0;
1203 
      sections->reserved2 = 0;
1204 
      sections->reserved3 = 0;
1205 
 
1206 
      sec->filepos = sections->offset;
1207 
      sec->target_index = ++target_index;
1208 
 
1209 
      mdata->filelen += sections->size;
1210 
      sections++;
1211 
    }
1212 
  seg->filesize = mdata->filelen - seg->fileoff;
1213 
  seg->vmsize = seg->filesize;
1214 
 
1215 
  return TRUE;
1216 
}
1217 
 
1218 
/* Set the contents of a section.  */
1219 
 
1220 
bfd_boolean
1221 
bfd_mach_o_set_section_contents (bfd *abfd,
1222 
                                 asection *section,
1223 
                                 const void * location,
1224 
                                 file_ptr offset,
1225 
                                 bfd_size_type count)
1226 
{
1227 
  file_ptr pos;
1228 
 
1229 
  /* This must be done first, because bfd_set_section_contents is
1230 
     going to set output_has_begun to TRUE.  */
1231 
  if (! abfd->output_has_begun && ! bfd_mach_o_build_commands (abfd))
1232 
    return FALSE;
1233 
 
1234 
  if (count == 0)
1235 
    return TRUE;
1236 
 
1237 
  pos = section->filepos + offset;
1238 
  if (bfd_seek (abfd, pos, SEEK_SET) != 0
1239 
      || bfd_bwrite (location, count, abfd) != count)
1240 
    return FALSE;
1241 
 
1242 
  return TRUE;
1243 
}
1244 
 
1245 
int
1246 
bfd_mach_o_sizeof_headers (bfd *a ATTRIBUTE_UNUSED,
1247 
                           struct bfd_link_info *info ATTRIBUTE_UNUSED)
1248 
{
1249 
  return 0;
1250 
}
1251 
 
1252 
/* Make an empty symbol.  This is required only because
1253 
   bfd_make_section_anyway wants to create a symbol for the section.  */
1254 
 
1255 
asymbol *
1256 
bfd_mach_o_make_empty_symbol (bfd *abfd)
1257 
{
1258 
  asymbol *new_symbol;
1259 
 
1260 
  new_symbol = bfd_zalloc (abfd, sizeof (bfd_mach_o_asymbol));
1261 
  if (new_symbol == NULL)
1262 
    return new_symbol;
1263 
  new_symbol->the_bfd = abfd;
1264 
  new_symbol->udata.i = 0;
1265 
  return new_symbol;
1266 
}
1267 
 
1268 
static bfd_boolean
1269 
bfd_mach_o_read_header (bfd *abfd, bfd_mach_o_header *header)
1270 
{
1271 
  unsigned char buf[32];
1272 
  unsigned int size;
1273 
  bfd_vma (*get32) (const void *) = NULL;
1274 
 
1275 
  /* Just read the magic number.  */
1276 
  if (bfd_seek (abfd, 0, SEEK_SET) != 0
1277 
      || bfd_bread ((PTR) buf, 4, abfd) != 4)
1278 
    return FALSE;
1279 
 
1280 
  if (bfd_getb32 (buf) == BFD_MACH_O_MH_MAGIC)
1281 
    {
1282 
      header->byteorder = BFD_ENDIAN_BIG;
1283 
      header->magic = BFD_MACH_O_MH_MAGIC;
1284 
      header->version = 1;
1285 
      get32 = bfd_getb32;
1286 
    }
1287 
  else if (bfd_getl32 (buf) == BFD_MACH_O_MH_MAGIC)
1288 
    {
1289 
      header->byteorder = BFD_ENDIAN_LITTLE;
1290 
      header->magic = BFD_MACH_O_MH_MAGIC;
1291 
      header->version = 1;
1292 
      get32 = bfd_getl32;
1293 
    }
1294 
  else if (bfd_getb32 (buf) == BFD_MACH_O_MH_MAGIC_64)
1295 
    {
1296 
      header->byteorder = BFD_ENDIAN_BIG;
1297 
      header->magic = BFD_MACH_O_MH_MAGIC_64;
1298 
      header->version = 2;
1299 
      get32 = bfd_getb32;
1300 
    }
1301 
  else if (bfd_getl32 (buf) == BFD_MACH_O_MH_MAGIC_64)
1302 
    {
1303 
      header->byteorder = BFD_ENDIAN_LITTLE;
1304 
      header->magic = BFD_MACH_O_MH_MAGIC_64;
1305 
      header->version = 2;
1306 
      get32 = bfd_getl32;
1307 
    }
1308 
  else
1309 
    {
1310 
      header->byteorder = BFD_ENDIAN_UNKNOWN;
1311 
      return FALSE;
1312 
    }
1313 
 
1314 
  /* Once the size of the header is known, read the full header.  */
1315 
  size = mach_o_wide_p (header) ?
1316 
    BFD_MACH_O_HEADER_64_SIZE : BFD_MACH_O_HEADER_SIZE;
1317 
 
1318 
  if (bfd_seek (abfd, 0, SEEK_SET) != 0
1319 
      || bfd_bread ((PTR) buf, size, abfd) != size)
1320 
    return FALSE;
1321 
 
1322 
  header->cputype = (*get32) (buf + 4);
1323 
  header->cpusubtype = (*get32) (buf + 8);
1324 
  header->filetype = (*get32) (buf + 12);
1325 
  header->ncmds = (*get32) (buf + 16);
1326 
  header->sizeofcmds = (*get32) (buf + 20);
1327 
  header->flags = (*get32) (buf + 24);
1328 
 
1329 
  if (mach_o_wide_p (header))
1330 
    header->reserved = (*get32) (buf + 28);
1331 
 
1332 
  return TRUE;
1333 
}
1334 
 
1335 
static asection *
1336 
bfd_mach_o_make_bfd_section (bfd *abfd, bfd_mach_o_section *section,
1337 
                             unsigned long prot)
1338 
{
1339 
  asection *bfdsec;
1340 
  char *sname;
1341 
  flagword flags;
1342 
 
1343 
  sname = bfd_mach_o_convert_section_name_to_bfd (abfd, section);
1344 
  if (sname == NULL)
1345 
    return NULL;
1346 
 
1347 
  if (section->flags & BFD_MACH_O_S_ATTR_DEBUG)
1348 
    flags = SEC_HAS_CONTENTS | SEC_DEBUGGING;
1349 
  else
1350 
    {
1351 
      flags = SEC_ALLOC;
1352 
      if ((section->flags & BFD_MACH_O_SECTION_TYPE_MASK)
1353 
          != BFD_MACH_O_S_ZEROFILL)
1354 
        {
1355 
          flags |= SEC_HAS_CONTENTS | SEC_LOAD;
1356 
          if (prot & BFD_MACH_O_PROT_EXECUTE)
1357 
            flags |= SEC_CODE;
1358 
          if (prot & BFD_MACH_O_PROT_WRITE)
1359 
            flags |= SEC_DATA;
1360 
          else if (prot & BFD_MACH_O_PROT_READ)
1361 
            flags |= SEC_READONLY;
1362 
        }
1363 
    }
1364 
  if (section->nreloc != 0)
1365 
    flags |= SEC_RELOC;
1366 
 
1367 
  bfdsec = bfd_make_section_anyway_with_flags (abfd, sname, flags);
1368 
  if (bfdsec == NULL)
1369 
    return NULL;
1370 
 
1371 
  bfdsec->vma = section->addr;
1372 
  bfdsec->lma = section->addr;
1373 
  bfdsec->size = section->size;
1374 
  bfdsec->filepos = section->offset;
1375 
  bfdsec->alignment_power = section->align;
1376 
  bfdsec->segment_mark = 0;
1377 
  bfdsec->reloc_count = section->nreloc;
1378 
  bfdsec->rel_filepos = section->reloff;
1379 
 
1380 
  return bfdsec;
1381 
}
1382 
 
1383 
static int
1384 
bfd_mach_o_scan_read_section_32 (bfd *abfd,
1385 
                                 bfd_mach_o_section *section,
1386 
                                 unsigned int offset,
1387 
                                 unsigned long prot)
1388 
{
1389 
  unsigned char buf[BFD_MACH_O_SECTION_SIZE];
1390 
 
1391 
  if (bfd_seek (abfd, offset, SEEK_SET) != 0
1392 
      || (bfd_bread ((PTR) buf, BFD_MACH_O_SECTION_SIZE, abfd)
1393 
          != BFD_MACH_O_SECTION_SIZE))
1394 
    return -1;
1395 
 
1396 
  memcpy (section->sectname, buf, 16);
1397 
  section->sectname[16] = '\0';
1398 
  memcpy (section->segname, buf + 16, 16);
1399 
  section->segname[16] = '\0';
1400 
  section->addr = bfd_h_get_32 (abfd, buf + 32);
1401 
  section->size = bfd_h_get_32 (abfd, buf + 36);
1402 
  section->offset = bfd_h_get_32 (abfd, buf + 40);
1403 
  section->align = bfd_h_get_32 (abfd, buf + 44);
1404 
  section->reloff = bfd_h_get_32 (abfd, buf + 48);
1405 
  section->nreloc = bfd_h_get_32 (abfd, buf + 52);
1406 
  section->flags = bfd_h_get_32 (abfd, buf + 56);
1407 
  section->reserved1 = bfd_h_get_32 (abfd, buf + 60);
1408 
  section->reserved2 = bfd_h_get_32 (abfd, buf + 64);
1409 
  section->reserved3 = 0;
1410 
  section->bfdsection = bfd_mach_o_make_bfd_section (abfd, section, prot);
1411 
 
1412 
  if (section->bfdsection == NULL)
1413 
    return -1;
1414 
 
1415 
  return 0;
1416 
}
1417 
 
1418 
static int
1419 
bfd_mach_o_scan_read_section_64 (bfd *abfd,
1420 
                                 bfd_mach_o_section *section,
1421 
                                 unsigned int offset,
1422 
                                 unsigned long prot)
1423 
{
1424 
  unsigned char buf[BFD_MACH_O_SECTION_64_SIZE];
1425 
 
1426 
  if (bfd_seek (abfd, offset, SEEK_SET) != 0
1427 
      || (bfd_bread ((PTR) buf, BFD_MACH_O_SECTION_64_SIZE, abfd)
1428 
          != BFD_MACH_O_SECTION_64_SIZE))
1429 
    return -1;
1430 
 
1431 
  memcpy (section->sectname, buf, 16);
1432 
  section->sectname[16] = '\0';
1433 
  memcpy (section->segname, buf + 16, 16);
1434 
  section->segname[16] = '\0';
1435 
  section->addr = bfd_h_get_64 (abfd, buf + 32);
1436 
  section->size = bfd_h_get_64 (abfd, buf + 40);
1437 
  section->offset = bfd_h_get_32 (abfd, buf + 48);
1438 
  section->align = bfd_h_get_32 (abfd, buf + 52);
1439 
  section->reloff = bfd_h_get_32 (abfd, buf + 56);
1440 
  section->nreloc = bfd_h_get_32 (abfd, buf + 60);
1441 
  section->flags = bfd_h_get_32 (abfd, buf + 64);
1442 
  section->reserved1 = bfd_h_get_32 (abfd, buf + 68);
1443 
  section->reserved2 = bfd_h_get_32 (abfd, buf + 72);
1444 
  section->reserved3 = bfd_h_get_32 (abfd, buf + 76);
1445 
  section->bfdsection = bfd_mach_o_make_bfd_section (abfd, section, prot);
1446 
 
1447 
  if (section->bfdsection == NULL)
1448 
    return -1;
1449 
 
1450 
  return 0;
1451 
}
1452 
 
1453 
static int
1454 
bfd_mach_o_scan_read_section (bfd *abfd,
1455 
                              bfd_mach_o_section *section,
1456 
                              unsigned int offset,
1457 
                              unsigned long prot,
1458 
                              unsigned int wide)
1459 
{
1460 
  if (wide)
1461 
    return bfd_mach_o_scan_read_section_64 (abfd, section, offset, prot);
1462 
  else
1463 
    return bfd_mach_o_scan_read_section_32 (abfd, section, offset, prot);
1464 
}
1465 
 
1466 
static int
1467 
bfd_mach_o_scan_read_symtab_symbol (bfd *abfd,
1468 
                                    bfd_mach_o_symtab_command *sym,
1469 
                                    bfd_mach_o_asymbol *s,
1470 
                                    unsigned long i)
1471 
{
1472 
  bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
1473 
  unsigned int wide = mach_o_wide_p (&mdata->header);
1474 
  unsigned int symwidth =
1475 
    wide ? BFD_MACH_O_NLIST_64_SIZE : BFD_MACH_O_NLIST_SIZE;
1476 
  unsigned int symoff = sym->symoff + (i * symwidth);
1477 
  unsigned char buf[16];
1478 
  unsigned char type = -1;
1479 
  unsigned char section = -1;
1480 
  short desc = -1;
1481 
  symvalue value = -1;
1482 
  unsigned long stroff = -1;
1483 
  unsigned int symtype = -1;
1484 
 
1485 
  BFD_ASSERT (sym->strtab != NULL);
1486 
 
1487 
  if (bfd_seek (abfd, symoff, SEEK_SET) != 0
1488 
      || bfd_bread ((PTR) buf, symwidth, abfd) != symwidth)
1489 
    {
1490 
      fprintf (stderr, "bfd_mach_o_scan_read_symtab_symbol: unable to read %d bytes at %lu\n",
1491 
               symwidth, (unsigned long) symoff);
1492 
      return -1;
1493 
    }
1494 
 
1495 
  stroff = bfd_h_get_32 (abfd, buf);
1496 
  type = bfd_h_get_8 (abfd, buf + 4);
1497 
  symtype = type & BFD_MACH_O_N_TYPE;
1498 
  section = bfd_h_get_8 (abfd, buf + 5);
1499 
  desc = bfd_h_get_16 (abfd, buf + 6);
1500 
  if (wide)
1501 
    value = bfd_h_get_64 (abfd, buf + 8);
1502 
  else
1503 
    value = bfd_h_get_32 (abfd, buf + 8);
1504 
 
1505 
  if (stroff >= sym->strsize)
1506 
    {
1507 
      fprintf (stderr, "bfd_mach_o_scan_read_symtab_symbol: symbol name out of range (%lu >= %lu)\n",
1508 
               (unsigned long) stroff, (unsigned long) sym->strsize);
1509 
      return -1;
1510 
    }
1511 
 
1512 
  s->symbol.the_bfd = abfd;
1513 
  s->symbol.name = sym->strtab + stroff;
1514 
  s->symbol.value = value;
1515 
  s->symbol.flags = 0x0;
1516 
  s->symbol.udata.i = 0;
1517 
  s->n_type = type;
1518 
  s->n_sect = section;
1519 
  s->n_desc = desc;
1520 
 
1521 
  if (type & BFD_MACH_O_N_STAB)
1522 
    {
1523 
      s->symbol.flags |= BSF_DEBUGGING;
1524 
      s->symbol.section = bfd_und_section_ptr;
1525 
      switch (type)
1526 
        {
1527 
        case N_FUN:
1528 
        case N_STSYM:
1529 
        case N_LCSYM:
1530 
        case N_BNSYM:
1531 
        case N_SLINE:
1532 
        case N_ENSYM:
1533 
        case N_ECOMM:
1534 
        case N_ECOML:
1535 
        case N_GSYM:
1536 
          if ((section > 0) && (section <= mdata->nsects))
1537 
            {
1538 
              s->symbol.section = mdata->sections[section - 1]->bfdsection;
1539 
              s->symbol.value =
1540 
                s->symbol.value - mdata->sections[section - 1]->addr;
1541 
            }
1542 
          break;
1543 
        }
1544 
    }
1545 
  else
1546 
    {
1547 
      if (type & BFD_MACH_O_N_PEXT)
1548 
        s->symbol.flags |= BSF_GLOBAL;
1549 
 
1550 
      if (type & BFD_MACH_O_N_EXT)
1551 
        s->symbol.flags |= BSF_GLOBAL;
1552 
 
1553 
      if (!(type & (BFD_MACH_O_N_PEXT | BFD_MACH_O_N_EXT)))
1554 
        s->symbol.flags |= BSF_LOCAL;
1555 
 
1556 
      switch (symtype)
1557 
        {
1558 
        case BFD_MACH_O_N_UNDF:
1559 
          if (type == (BFD_MACH_O_N_UNDF | BFD_MACH_O_N_EXT)
1560 
              && s->symbol.value != 0)
1561 
            {
1562 
              /* A common symbol.  */
1563 
              s->symbol.section = bfd_com_section_ptr;
1564 
              s->symbol.flags = BSF_NO_FLAGS;
1565 
            }
1566 
          else
1567 
            {
1568 
              s->symbol.section = bfd_und_section_ptr;
1569 
              if (s->n_desc & BFD_MACH_O_N_WEAK_REF)
1570 
                s->symbol.flags |= BSF_WEAK;
1571 
            }
1572 
          break;
1573 
        case BFD_MACH_O_N_PBUD:
1574 
          s->symbol.section = bfd_und_section_ptr;
1575 
          break;
1576 
        case BFD_MACH_O_N_ABS:
1577 
          s->symbol.section = bfd_abs_section_ptr;
1578 
          break;
1579 
        case BFD_MACH_O_N_SECT:
1580 
          if ((section > 0) && (section <= mdata->nsects))
1581 
            {
1582 
              s->symbol.section = mdata->sections[section - 1]->bfdsection;
1583 
              s->symbol.value =
1584 
                s->symbol.value - mdata->sections[section - 1]->addr;
1585 
            }
1586 
          else
1587 
            {
1588 
              /* Mach-O uses 0 to mean "no section"; not an error.  */
1589 
              if (section != 0)
1590 
                {
1591 
                  fprintf (stderr, "bfd_mach_o_scan_read_symtab_symbol: "
1592 
                           "symbol \"%s\" specified invalid section %d (max %lu): setting to undefined\n",
1593 
                           s->symbol.name, section, mdata->nsects);
1594 
                }
1595 
              s->symbol.section = bfd_und_section_ptr;
1596 
            }
1597 
          break;
1598 
        case BFD_MACH_O_N_INDR:
1599 
          fprintf (stderr, "bfd_mach_o_scan_read_symtab_symbol: "
1600 
                   "symbol \"%s\" is unsupported 'indirect' reference: setting to undefined\n",
1601 
                   s->symbol.name);
1602 
          s->symbol.section = bfd_und_section_ptr;
1603 
          break;
1604 
        default:
1605 
          fprintf (stderr, "bfd_mach_o_scan_read_symtab_symbol: "
1606 
                   "symbol \"%s\" specified invalid type field 0x%x: setting to undefined\n",
1607 
                   s->symbol.name, symtype);
1608 
          s->symbol.section = bfd_und_section_ptr;
1609 
          break;
1610 
        }
1611 
    }
1612 
 
1613 
  return 0;
1614 
}
1615 
 
1616 
static int
1617 
bfd_mach_o_scan_read_symtab_strtab (bfd *abfd)
1618 
{
1619 
  bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
1620 
  bfd_mach_o_symtab_command *sym = mdata->symtab;
1621 
 
1622 
  /* Fail if there is no symtab.  */
1623 
  if (sym == NULL)
1624 
    return -1;
1625 
 
1626 
  /* Success if already loaded.  */
1627 
  if (sym->strtab)
1628 
    return 0;
1629 
 
1630 
  if (abfd->flags & BFD_IN_MEMORY)
1631 
    {
1632 
      struct bfd_in_memory *b;
1633 
 
1634 
      b = (struct bfd_in_memory *) abfd->iostream;
1635 
 
1636 
      if ((sym->stroff + sym->strsize) > b->size)
1637 
        {
1638 
          bfd_set_error (bfd_error_file_truncated);
1639 
          return -1;
1640 
        }
1641 
      sym->strtab = (char *) b->buffer + sym->stroff;
1642 
    }
1643 
  else
1644 
    {
1645 
      sym->strtab = bfd_alloc (abfd, sym->strsize);
1646 
      if (sym->strtab == NULL)
1647 
        return -1;
1648 
 
1649 
      if (bfd_seek (abfd, sym->stroff, SEEK_SET) != 0
1650 
          || bfd_bread ((PTR) sym->strtab, sym->strsize, abfd) != sym->strsize)
1651 
        {
1652 
          bfd_set_error (bfd_error_file_truncated);
1653 
          return -1;
1654 
        }
1655 
    }
1656 
 
1657 
  return 0;
1658 
}
1659 
 
1660 
static int
1661 
bfd_mach_o_scan_read_symtab_symbols (bfd *abfd)
1662 
{
1663 
  bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
1664 
  bfd_mach_o_symtab_command *sym = mdata->symtab;
1665 
  unsigned long i;
1666 
  int ret;
1667 
 
1668 
  if (sym->symbols)
1669 
    return 0;
1670 
 
1671 
  sym->symbols = bfd_alloc (abfd, sym->nsyms * sizeof (bfd_mach_o_asymbol));
1672 
 
1673 
  if (sym->symbols == NULL)
1674 
    {
1675 
      fprintf (stderr, "bfd_mach_o_scan_read_symtab_symbols: unable to allocate memory for symbols\n");
1676 
      return -1;
1677 
    }
1678 
 
1679 
  ret = bfd_mach_o_scan_read_symtab_strtab (abfd);
1680 
  if (ret != 0)
1681 
    return ret;
1682 
 
1683 
  for (i = 0; i < sym->nsyms; i++)
1684 
    {
1685 
      ret = bfd_mach_o_scan_read_symtab_symbol (abfd, sym, &sym->symbols[i], i);
1686 
      if (ret != 0)
1687 
        return ret;
1688 
    }
1689 
 
1690 
  return 0;
1691 
}
1692 
 
1693 
int
1694 
bfd_mach_o_scan_read_dysymtab_symbol (bfd *abfd,
1695 
                                      bfd_mach_o_dysymtab_command *dysym,
1696 
                                      bfd_mach_o_symtab_command *sym,
1697 
                                      bfd_mach_o_asymbol *s,
1698 
                                      unsigned long i)
1699 
{
1700 
  unsigned long isymoff = dysym->indirectsymoff + (i * 4);
1701 
  unsigned long symindex;
1702 
  unsigned char buf[4];
1703 
 
1704 
  BFD_ASSERT (i < dysym->nindirectsyms);
1705 
 
1706 
  if (bfd_seek (abfd, isymoff, SEEK_SET) != 0
1707 
      || bfd_bread ((PTR) buf, 4, abfd) != 4)
1708 
    {
1709 
      fprintf (stderr, "bfd_mach_o_scan_read_dysymtab_symbol: unable to read %lu bytes at %lu\n",
1710 
               (unsigned long) 4, isymoff);
1711 
      return -1;
1712 
    }
1713 
  symindex = bfd_h_get_32 (abfd, buf);
1714 
 
1715 
  return bfd_mach_o_scan_read_symtab_symbol (abfd, sym, s, symindex);
1716 
}
1717 
 
1718 
static const char *
1719 
bfd_mach_o_i386_flavour_string (unsigned int flavour)
1720 
{
1721 
  switch ((int) flavour)
1722 
    {
1723 
    case BFD_MACH_O_x86_THREAD_STATE32:    return "x86_THREAD_STATE32";
1724 
    case BFD_MACH_O_x86_FLOAT_STATE32:     return "x86_FLOAT_STATE32";
1725 
    case BFD_MACH_O_x86_EXCEPTION_STATE32: return "x86_EXCEPTION_STATE32";
1726 
    case BFD_MACH_O_x86_THREAD_STATE64:    return "x86_THREAD_STATE64";
1727 
    case BFD_MACH_O_x86_FLOAT_STATE64:     return "x86_FLOAT_STATE64";
1728 
    case BFD_MACH_O_x86_EXCEPTION_STATE64: return "x86_EXCEPTION_STATE64";
1729 
    case BFD_MACH_O_x86_THREAD_STATE:      return "x86_THREAD_STATE";
1730 
    case BFD_MACH_O_x86_FLOAT_STATE:       return "x86_FLOAT_STATE";
1731 
    case BFD_MACH_O_x86_EXCEPTION_STATE:   return "x86_EXCEPTION_STATE";
1732 
    case BFD_MACH_O_x86_DEBUG_STATE32:     return "x86_DEBUG_STATE32";
1733 
    case BFD_MACH_O_x86_DEBUG_STATE64:     return "x86_DEBUG_STATE64";
1734 
    case BFD_MACH_O_x86_DEBUG_STATE:       return "x86_DEBUG_STATE";
1735 
    case BFD_MACH_O_x86_THREAD_STATE_NONE: return "x86_THREAD_STATE_NONE";
1736 
    default: return "UNKNOWN";
1737 
    }
1738 
}
1739 
 
1740 
static const char *
1741 
bfd_mach_o_ppc_flavour_string (unsigned int flavour)
1742 
{
1743 
  switch ((int) flavour)
1744 
    {
1745 
    case BFD_MACH_O_PPC_THREAD_STATE:      return "PPC_THREAD_STATE";
1746 
    case BFD_MACH_O_PPC_FLOAT_STATE:       return "PPC_FLOAT_STATE";
1747 
    case BFD_MACH_O_PPC_EXCEPTION_STATE:   return "PPC_EXCEPTION_STATE";
1748 
    case BFD_MACH_O_PPC_VECTOR_STATE:      return "PPC_VECTOR_STATE";
1749 
    case BFD_MACH_O_PPC_THREAD_STATE64:    return "PPC_THREAD_STATE64";
1750 
    case BFD_MACH_O_PPC_EXCEPTION_STATE64: return "PPC_EXCEPTION_STATE64";
1751 
    default: return "UNKNOWN";
1752 
    }
1753 
}
1754 
 
1755 
static int
1756 
bfd_mach_o_scan_read_dylinker (bfd *abfd,
1757 
                               bfd_mach_o_load_command *command)
1758 
{
1759 
  bfd_mach_o_dylinker_command *cmd = &command->command.dylinker;
1760 
  unsigned char buf[4];
1761 
  unsigned int nameoff;
1762 
 
1763 
  BFD_ASSERT ((command->type == BFD_MACH_O_LC_ID_DYLINKER)
1764 
              || (command->type == BFD_MACH_O_LC_LOAD_DYLINKER));
1765 
 
1766 
  if (bfd_seek (abfd, command->offset + 8, SEEK_SET) != 0
1767 
      || bfd_bread ((PTR) buf, 4, abfd) != 4)
1768 
    return -1;
1769 
 
1770 
  nameoff = bfd_h_get_32 (abfd, buf + 0);
1771 
 
1772 
  cmd->name_offset = command->offset + nameoff;
1773 
  cmd->name_len = command->len - nameoff;
1774 
  cmd->name_str = bfd_alloc (abfd, cmd->name_len);
1775 
  if (cmd->name_str == NULL)
1776 
    return -1;
1777 
  if (bfd_seek (abfd, cmd->name_offset, SEEK_SET) != 0
1778 
      || bfd_bread (cmd->name_str, cmd->name_len, abfd) != cmd->name_len)
1779 
    return -1;
1780 
  return 0;
1781 
}
1782 
 
1783 
static int
1784 
bfd_mach_o_scan_read_dylib (bfd *abfd, bfd_mach_o_load_command *command)
1785 
{
1786 
  bfd_mach_o_dylib_command *cmd = &command->command.dylib;
1787 
  unsigned char buf[16];
1788 
  unsigned int nameoff;
1789 
 
1790 
  switch (command->type)
1791 
    {
1792 
    case BFD_MACH_O_LC_LOAD_DYLIB:
1793 
    case BFD_MACH_O_LC_LOAD_WEAK_DYLIB:
1794 
    case BFD_MACH_O_LC_ID_DYLIB:
1795 
    case BFD_MACH_O_LC_REEXPORT_DYLIB:
1796 
      break;
1797 
    default:
1798 
      BFD_FAIL ();
1799 
      return -1;
1800 
    }
1801 
 
1802 
  if (bfd_seek (abfd, command->offset + 8, SEEK_SET) != 0
1803 
      || bfd_bread ((PTR) buf, 16, abfd) != 16)
1804 
    return -1;
1805 
 
1806 
  nameoff = bfd_h_get_32 (abfd, buf + 0);
1807 
  cmd->timestamp = bfd_h_get_32 (abfd, buf + 4);
1808 
  cmd->current_version = bfd_h_get_32 (abfd, buf + 8);
1809 
  cmd->compatibility_version = bfd_h_get_32 (abfd, buf + 12);
1810 
 
1811 
  cmd->name_offset = command->offset + nameoff;
1812 
  cmd->name_len = command->len - nameoff;
1813 
  cmd->name_str = bfd_alloc (abfd, cmd->name_len);
1814 
  if (cmd->name_str == NULL)
1815 
    return -1;
1816 
  if (bfd_seek (abfd, cmd->name_offset, SEEK_SET) != 0
1817 
      || bfd_bread (cmd->name_str, cmd->name_len, abfd) != cmd->name_len)
1818 
    return -1;
1819 
  return 0;
1820 
}
1821 
 
1822 
static int
1823 
bfd_mach_o_scan_read_prebound_dylib (bfd *abfd ATTRIBUTE_UNUSED,
1824 
                                     bfd_mach_o_load_command *command ATTRIBUTE_UNUSED)
1825 
{
1826 
  /* bfd_mach_o_prebound_dylib_command *cmd = &command->command.prebound_dylib; */
1827 
 
1828 
  BFD_ASSERT (command->type == BFD_MACH_O_LC_PREBOUND_DYLIB);
1829 
  return 0;
1830 
}
1831 
 
1832 
static int
1833 
bfd_mach_o_scan_read_thread (bfd *abfd, bfd_mach_o_load_command *command)
1834 
{
1835 
  bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
1836 
  bfd_mach_o_thread_command *cmd = &command->command.thread;
1837 
  unsigned char buf[8];
1838 
  unsigned int offset;
1839 
  unsigned int nflavours;
1840 
  unsigned int i;
1841 
 
1842 
  BFD_ASSERT ((command->type == BFD_MACH_O_LC_THREAD)
1843 
              || (command->type == BFD_MACH_O_LC_UNIXTHREAD));
1844 
 
1845 
  /* Count the number of threads.  */
1846 
  offset = 8;
1847 
  nflavours = 0;
1848 
  while (offset != command->len)
1849 
    {
1850 
      if (offset >= command->len)
1851 
        return -1;
1852 
 
1853 
      if (bfd_seek (abfd, command->offset + offset, SEEK_SET) != 0
1854 
          || bfd_bread ((PTR) buf, 8, abfd) != 8)
1855 
        return -1;
1856 
 
1857 
      offset += 8 + bfd_h_get_32 (abfd, buf + 4) * 4;
1858 
      nflavours++;
1859 
    }
1860 
 
1861 
  /* Allocate threads.  */
1862 
  cmd->flavours = bfd_alloc
1863 
    (abfd, nflavours * sizeof (bfd_mach_o_thread_flavour));
1864 
  if (cmd->flavours == NULL)
1865 
    return -1;
1866 
  cmd->nflavours = nflavours;
1867 
 
1868 
  offset = 8;
1869 
  nflavours = 0;
1870 
  while (offset != command->len)
1871 
    {
1872 
      if (offset >= command->len)
1873 
        return -1;
1874 
 
1875 
      if (nflavours >= cmd->nflavours)
1876 
        return -1;
1877 
 
1878 
      if (bfd_seek (abfd, command->offset + offset, SEEK_SET) != 0
1879 
          || bfd_bread ((PTR) buf, 8, abfd) != 8)
1880 
        return -1;
1881 
 
1882 
      cmd->flavours[nflavours].flavour = bfd_h_get_32 (abfd, buf);
1883 
      cmd->flavours[nflavours].offset = command->offset + offset + 8;
1884 
      cmd->flavours[nflavours].size = bfd_h_get_32 (abfd, buf + 4) * 4;
1885 
      offset += cmd->flavours[nflavours].size + 8;
1886 
      nflavours++;
1887 
    }
1888 
 
1889 
  for (i = 0; i < nflavours; i++)
1890 
    {
1891 
      asection *bfdsec;
1892 
      unsigned int snamelen;
1893 
      char *sname;
1894 
      const char *flavourstr;
1895 
      const char *prefix = "LC_THREAD";
1896 
      unsigned int j = 0;
1897 
 
1898 
      switch (mdata->header.cputype)
1899 
        {
1900 
        case BFD_MACH_O_CPU_TYPE_POWERPC:
1901 
        case BFD_MACH_O_CPU_TYPE_POWERPC_64:
1902 
          flavourstr = bfd_mach_o_ppc_flavour_string (cmd->flavours[i].flavour);
1903 
          break;
1904 
        case BFD_MACH_O_CPU_TYPE_I386:
1905 
        case BFD_MACH_O_CPU_TYPE_X86_64:
1906 
          flavourstr = bfd_mach_o_i386_flavour_string (cmd->flavours[i].flavour);
1907 
          break;
1908 
        default:
1909 
          flavourstr = "UNKNOWN_ARCHITECTURE";
1910 
          break;
1911 
        }
1912 
 
1913 
      snamelen = strlen (prefix) + 1 + 20 + 1 + strlen (flavourstr) + 1;
1914 
      sname = bfd_alloc (abfd, snamelen);
1915 
      if (sname == NULL)
1916 
        return -1;
1917 
 
1918 
      for (;;)
1919 
        {
1920 
          sprintf (sname, "%s.%s.%u", prefix, flavourstr, j);
1921 
          if (bfd_get_section_by_name (abfd, sname) == NULL)
1922 
            break;
1923 
          j++;
1924 
        }
1925 
 
1926 
      bfdsec = bfd_make_section_with_flags (abfd, sname, SEC_HAS_CONTENTS);
1927 
 
1928 
      bfdsec->vma = 0;
1929 
      bfdsec->lma = 0;
1930 
      bfdsec->size = cmd->flavours[i].size;
1931 
      bfdsec->filepos = cmd->flavours[i].offset;
1932 
      bfdsec->alignment_power = 0x0;
1933 
 
1934 
      cmd->section = bfdsec;
1935 
    }
1936 
 
1937 
  return 0;
1938 
}
1939 
 
1940 
static int
1941 
bfd_mach_o_scan_read_dysymtab (bfd *abfd, bfd_mach_o_load_command *command)
1942 
{
1943 
  bfd_mach_o_dysymtab_command *cmd = &command->command.dysymtab;
1944 
  bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
1945 
  unsigned char buf[72];
1946 
 
1947 
  BFD_ASSERT (command->type == BFD_MACH_O_LC_DYSYMTAB);
1948 
 
1949 
  if (bfd_seek (abfd, command->offset + 8, SEEK_SET) != 0
1950 
      || bfd_bread ((PTR) buf, 72, abfd) != 72)
1951 
    return -1;
1952 
 
1953 
  cmd->ilocalsym = bfd_h_get_32 (abfd, buf + 0);
1954 
  cmd->nlocalsym = bfd_h_get_32 (abfd, buf + 4);
1955 
  cmd->iextdefsym = bfd_h_get_32 (abfd, buf + 8);
1956 
  cmd->nextdefsym = bfd_h_get_32 (abfd, buf + 12);
1957 
  cmd->iundefsym = bfd_h_get_32 (abfd, buf + 16);
1958 
  cmd->nundefsym = bfd_h_get_32 (abfd, buf + 20);
1959 
  cmd->tocoff = bfd_h_get_32 (abfd, buf + 24);
1960 
  cmd->ntoc = bfd_h_get_32 (abfd, buf + 28);
1961 
  cmd->modtaboff = bfd_h_get_32 (abfd, buf + 32);
1962 
  cmd->nmodtab = bfd_h_get_32 (abfd, buf + 36);
1963 
  cmd->extrefsymoff = bfd_h_get_32 (abfd, buf + 40);
1964 
  cmd->nextrefsyms = bfd_h_get_32 (abfd, buf + 44);
1965 
  cmd->indirectsymoff = bfd_h_get_32 (abfd, buf + 48);
1966 
  cmd->nindirectsyms = bfd_h_get_32 (abfd, buf + 52);
1967 
  cmd->extreloff = bfd_h_get_32 (abfd, buf + 56);
1968 
  cmd->nextrel = bfd_h_get_32 (abfd, buf + 60);
1969 
  cmd->locreloff = bfd_h_get_32 (abfd, buf + 64);
1970 
  cmd->nlocrel = bfd_h_get_32 (abfd, buf + 68);
1971 
 
1972 
  if (cmd->nmodtab != 0)
1973 
    {
1974 
      char buf[56];
1975 
      unsigned int i;
1976 
      int wide = bfd_mach_o_wide_p (abfd);
1977 
      unsigned int module_len = wide ? 56 : 52;
1978 
 
1979 
      cmd->dylib_module =
1980 
        bfd_alloc (abfd, cmd->nmodtab * sizeof (bfd_mach_o_dylib_module));
1981 
      if (cmd->dylib_module == NULL)
1982 
        return -1;
1983 
 
1984 
      if (bfd_seek (abfd, cmd->modtaboff, SEEK_SET) != 0)
1985 
        return -1;
1986 
 
1987 
      for (i = 0; i < cmd->nmodtab; i++)
1988 
        {
1989 
          bfd_mach_o_dylib_module *module = &cmd->dylib_module[i];
1990 
          unsigned long v;
1991 
 
1992 
          if (bfd_bread ((PTR) buf, module_len, abfd) != module_len)
1993 
            return -1;
1994 
 
1995 
          module->module_name_idx = bfd_h_get_32 (abfd, buf + 0);
1996 
          module->iextdefsym = bfd_h_get_32 (abfd, buf + 4);
1997 
          module->nextdefsym = bfd_h_get_32 (abfd, buf + 8);
1998 
          module->irefsym = bfd_h_get_32 (abfd, buf + 12);
1999 
          module->nrefsym = bfd_h_get_32 (abfd, buf + 16);
2000 
          module->ilocalsym = bfd_h_get_32 (abfd, buf + 20);
2001 
          module->nlocalsym = bfd_h_get_32 (abfd, buf + 24);
2002 
          module->iextrel = bfd_h_get_32 (abfd, buf + 28);
2003 
          module->nextrel = bfd_h_get_32 (abfd, buf + 32);
2004 
          v = bfd_h_get_32 (abfd, buf +36);
2005 
          module->iinit = v & 0xffff;
2006 
          module->iterm = (v >> 16) & 0xffff;
2007 
          v = bfd_h_get_32 (abfd, buf + 40);
2008 
          module->ninit = v & 0xffff;
2009 
          module->nterm = (v >> 16) & 0xffff;
2010 
          if (wide)
2011 
            {
2012 
              module->objc_module_info_size = bfd_h_get_32 (abfd, buf + 44);
2013 
              module->objc_module_info_addr = bfd_h_get_64 (abfd, buf + 48);
2014 
            }
2015 
          else
2016 
            {
2017 
              module->objc_module_info_addr = bfd_h_get_32 (abfd, buf + 44);
2018 
              module->objc_module_info_size = bfd_h_get_32 (abfd, buf + 48);
2019 
            }
2020 
        }
2021 
    }
2022 
 
2023 
  if (cmd->ntoc != 0)
2024 
    {
2025 
      char buf[8];
2026 
      unsigned int i;
2027 
 
2028 
      cmd->dylib_toc = bfd_alloc
2029 
        (abfd, cmd->ntoc * sizeof (bfd_mach_o_dylib_table_of_content));
2030 
      if (cmd->dylib_toc == NULL)
2031 
        return -1;
2032 
 
2033 
      if (bfd_seek (abfd, cmd->tocoff, SEEK_SET) != 0)
2034 
        return -1;
2035 
 
2036 
      for (i = 0; i < cmd->ntoc; i++)
2037 
        {
2038 
          bfd_mach_o_dylib_table_of_content *toc = &cmd->dylib_toc[i];
2039 
 
2040 
          if (bfd_bread ((PTR) buf, 8, abfd) != 8)
2041 
            return -1;
2042 
 
2043 
          toc->symbol_index = bfd_h_get_32 (abfd, buf + 0);
2044 
          toc->module_index = bfd_h_get_32 (abfd, buf + 4);
2045 
        }
2046 
    }
2047 
 
2048 
  if (cmd->nindirectsyms != 0)
2049 
    {
2050 
      char buf[4];
2051 
      unsigned int i;
2052 
 
2053 
      cmd->indirect_syms = bfd_alloc
2054 
        (abfd, cmd->nindirectsyms * sizeof (unsigned int));
2055 
      if (cmd->indirect_syms == NULL)
2056 
        return -1;
2057 
 
2058 
      if (bfd_seek (abfd, cmd->indirectsymoff, SEEK_SET) != 0)
2059 
        return -1;
2060 
 
2061 
      for (i = 0; i < cmd->nindirectsyms; i++)
2062 
        {
2063 
          unsigned int *is = &cmd->indirect_syms[i];
2064 
 
2065 
          if (bfd_bread ((PTR) buf, 4, abfd) != 4)
2066 
            return -1;
2067 
 
2068 
          *is = bfd_h_get_32 (abfd, buf + 0);
2069 
        }
2070 
    }
2071 
 
2072 
  if (cmd->nextrefsyms != 0)
2073 
    {
2074 
      char buf[4];
2075 
      unsigned long v;
2076 
      unsigned int i;
2077 
 
2078 
      cmd->ext_refs = bfd_alloc
2079 
        (abfd, cmd->nextrefsyms * sizeof (bfd_mach_o_dylib_reference));
2080 
      if (cmd->ext_refs == NULL)
2081 
        return -1;
2082 
 
2083 
      if (bfd_seek (abfd, cmd->extrefsymoff, SEEK_SET) != 0)
2084 
        return -1;
2085 
 
2086 
      for (i = 0; i < cmd->nextrefsyms; i++)
2087 
        {
2088 
          bfd_mach_o_dylib_reference *ref = &cmd->ext_refs[i];
2089 
 
2090 
          if (bfd_bread ((PTR) buf, 4, abfd) != 4)
2091 
            return -1;
2092 
 
2093 
          /* Fields isym and flags are written as bit-fields, thus we need
2094 
             a specific processing for endianness.  */
2095 
          v = bfd_h_get_32 (abfd, buf + 0);
2096 
          if (bfd_big_endian (abfd))
2097 
            {
2098 
              ref->isym = (v >> 8) & 0xffffff;
2099 
              ref->flags = v & 0xff;
2100 
            }
2101 
          else
2102 
            {
2103 
              ref->isym = v & 0xffffff;
2104 
              ref->flags = (v >> 24) & 0xff;
2105 
            }
2106 
        }
2107 
    }
2108 
 
2109 
  if (mdata->dysymtab)
2110 
    return -1;
2111 
  mdata->dysymtab = cmd;
2112 
 
2113 
  return 0;
2114 
}
2115 
 
2116 
static int
2117 
bfd_mach_o_scan_read_symtab (bfd *abfd, bfd_mach_o_load_command *command)
2118 
{
2119 
  bfd_mach_o_symtab_command *symtab = &command->command.symtab;
2120 
  bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
2121 
  unsigned char buf[16];
2122 
 
2123 
  BFD_ASSERT (command->type == BFD_MACH_O_LC_SYMTAB);
2124 
 
2125 
  if (bfd_seek (abfd, command->offset + 8, SEEK_SET) != 0
2126 
      || bfd_bread ((PTR) buf, 16, abfd) != 16)
2127 
    return -1;
2128 
 
2129 
  symtab->symoff = bfd_h_get_32 (abfd, buf);
2130 
  symtab->nsyms = bfd_h_get_32 (abfd, buf + 4);
2131 
  symtab->stroff = bfd_h_get_32 (abfd, buf + 8);
2132 
  symtab->strsize = bfd_h_get_32 (abfd, buf + 12);
2133 
  symtab->symbols = NULL;
2134 
  symtab->strtab = NULL;
2135 
 
2136 
  if (symtab->nsyms != 0)
2137 
    abfd->flags |= HAS_SYMS;
2138 
 
2139 
  if (mdata->symtab)
2140 
    return -1;
2141 
  mdata->symtab = symtab;
2142 
  return 0;
2143 
}
2144 
 
2145 
static int
2146 
bfd_mach_o_scan_read_uuid (bfd *abfd, bfd_mach_o_load_command *command)
2147 
{
2148 
  bfd_mach_o_uuid_command *cmd = &command->command.uuid;
2149 
  asection *bfdsec;
2150 
  char *sname;
2151 
  static const char prefix[] = "LC_UUID";
2152 
 
2153 
  BFD_ASSERT (command->type == BFD_MACH_O_LC_UUID);
2154 
 
2155 
  if (bfd_seek (abfd, command->offset + 8, SEEK_SET) != 0
2156 
      || bfd_bread ((PTR) cmd->uuid, 16, abfd) != 16)
2157 
    return -1;
2158 
 
2159 
  sname = bfd_alloc (abfd, strlen (prefix) + 1);
2160 
  if (sname == NULL)
2161 
    return -1;
2162 
  strcpy (sname, prefix);
2163 
 
2164 
  bfdsec = bfd_make_section_anyway_with_flags (abfd, sname, SEC_HAS_CONTENTS);
2165 
  if (bfdsec == NULL)
2166 
    return -1;
2167 
 
2168 
  bfdsec->vma = 0;
2169 
  bfdsec->lma = 0;
2170 
  bfdsec->size = command->len - 8;
2171 
  bfdsec->filepos = command->offset + 8;
2172 
  bfdsec->alignment_power = 0;
2173 
 
2174 
  cmd->section = bfdsec;
2175 
 
2176 
  return 0;
2177 
}
2178 
 
2179 
static int
2180 
bfd_mach_o_scan_read_linkedit (bfd *abfd, bfd_mach_o_load_command *command)
2181 
{
2182 
  bfd_mach_o_linkedit_command *cmd = &command->command.linkedit;
2183 
  char buf[8];
2184 
 
2185 
  if (bfd_seek (abfd, command->offset + 8, SEEK_SET) != 0
2186 
      || bfd_bread ((PTR) buf, 8, abfd) != 8)
2187 
    return -1;
2188 
 
2189 
  cmd->dataoff = bfd_get_32 (abfd, buf + 0);
2190 
  cmd->datasize = bfd_get_32 (abfd, buf + 4);
2191 
  return 0;
2192 
}
2193 
 
2194 
static int
2195 
bfd_mach_o_scan_read_str (bfd *abfd, bfd_mach_o_load_command *command)
2196 
{
2197 
  bfd_mach_o_str_command *cmd = &command->command.str;
2198 
  char buf[8];
2199 
  unsigned long off;
2200 
 
2201 
  if (bfd_seek (abfd, command->offset + 8, SEEK_SET) != 0
2202 
      || bfd_bread ((PTR) buf, 4, abfd) != 4)
2203 
    return -1;
2204 
 
2205 
  off = bfd_get_32 (abfd, buf + 0);
2206 
  cmd->stroff = command->offset + off;
2207 
  cmd->str_len = command->len - off;
2208 
  cmd->str = bfd_alloc (abfd, cmd->str_len);
2209 
  if (cmd->str == NULL)
2210 
    return -1;
2211 
  if (bfd_seek (abfd, cmd->stroff, SEEK_SET) != 0
2212 
      || bfd_bread ((PTR) cmd->str, cmd->str_len, abfd) != cmd->str_len)
2213 
    return -1;
2214 
  return 0;
2215 
}
2216 
 
2217 
static int
2218 
bfd_mach_o_scan_read_segment (bfd *abfd,
2219 
                              bfd_mach_o_load_command *command,
2220 
                              unsigned int wide)
2221 
{
2222 
  unsigned char buf[64];
2223 
  bfd_mach_o_segment_command *seg = &command->command.segment;
2224 
  unsigned long i;
2225 
 
2226 
  if (wide)
2227 
    {
2228 
      BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT_64);
2229 
 
2230 
      if (bfd_seek (abfd, command->offset + 8, SEEK_SET) != 0
2231 
          || bfd_bread ((PTR) buf, 64, abfd) != 64)
2232 
        return -1;
2233 
 
2234 
      memcpy (seg->segname, buf, 16);
2235 
      seg->segname[16] = '\0';
2236 
 
2237 
      seg->vmaddr = bfd_h_get_64 (abfd, buf + 16);
2238 
      seg->vmsize = bfd_h_get_64 (abfd, buf + 24);
2239 
      seg->fileoff = bfd_h_get_64 (abfd, buf + 32);
2240 
      seg->filesize = bfd_h_get_64 (abfd, buf + 40);
2241 
      seg->maxprot = bfd_h_get_32 (abfd, buf + 48);
2242 
      seg->initprot = bfd_h_get_32 (abfd, buf + 52);
2243 
      seg->nsects = bfd_h_get_32 (abfd, buf + 56);
2244 
      seg->flags = bfd_h_get_32 (abfd, buf + 60);
2245 
    }
2246 
  else
2247 
    {
2248 
      BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT);
2249 
 
2250 
      if (bfd_seek (abfd, command->offset + 8, SEEK_SET) != 0
2251 
          || bfd_bread ((PTR) buf, 48, abfd) != 48)
2252 
        return -1;
2253 
 
2254 
      memcpy (seg->segname, buf, 16);
2255 
      seg->segname[16] = '\0';
2256 
 
2257 
      seg->vmaddr = bfd_h_get_32 (abfd, buf + 16);
2258 
      seg->vmsize = bfd_h_get_32 (abfd, buf + 20);
2259 
      seg->fileoff = bfd_h_get_32 (abfd, buf + 24);
2260 
      seg->filesize = bfd_h_get_32 (abfd, buf +  28);
2261 
      seg->maxprot = bfd_h_get_32 (abfd, buf + 32);
2262 
      seg->initprot = bfd_h_get_32 (abfd, buf + 36);
2263 
      seg->nsects = bfd_h_get_32 (abfd, buf + 40);
2264 
      seg->flags = bfd_h_get_32 (abfd, buf + 44);
2265 
    }
2266 
 
2267 
  if (seg->nsects != 0)
2268 
    {
2269 
      seg->sections = bfd_alloc (abfd, seg->nsects
2270 
                                 * sizeof (bfd_mach_o_section));
2271 
      if (seg->sections == NULL)
2272 
        return -1;
2273 
 
2274 
      for (i = 0; i < seg->nsects; i++)
2275 
        {
2276 
          bfd_vma segoff;
2277 
          if (wide)
2278 
            segoff = command->offset + BFD_MACH_O_LC_SEGMENT_64_SIZE
2279 
              + (i * BFD_MACH_O_SECTION_64_SIZE);
2280 
          else
2281 
            segoff = command->offset + BFD_MACH_O_LC_SEGMENT_SIZE
2282 
              + (i * BFD_MACH_O_SECTION_SIZE);
2283 
 
2284 
          if (bfd_mach_o_scan_read_section
2285 
              (abfd, &seg->sections[i], segoff, seg->initprot, wide) != 0)
2286 
            return -1;
2287 
        }
2288 
    }
2289 
 
2290 
  return 0;
2291 
}
2292 
 
2293 
static int
2294 
bfd_mach_o_scan_read_segment_32 (bfd *abfd, bfd_mach_o_load_command *command)
2295 
{
2296 
  return bfd_mach_o_scan_read_segment (abfd, command, 0);
2297 
}
2298 
 
2299 
static int
2300 
bfd_mach_o_scan_read_segment_64 (bfd *abfd, bfd_mach_o_load_command *command)
2301 
{
2302 
  return bfd_mach_o_scan_read_segment (abfd, command, 1);
2303 
}
2304 
 
2305 
static int
2306 
bfd_mach_o_scan_read_command (bfd *abfd, bfd_mach_o_load_command *command)
2307 
{
2308 
  unsigned char buf[8];
2309 
 
2310 
  /* Read command type and length.  */
2311 
  if (bfd_seek (abfd, command->offset, SEEK_SET) != 0
2312 
      || bfd_bread ((PTR) buf, 8, abfd) != 8)
2313 
    return -1;
2314 
 
2315 
  command->type = bfd_h_get_32 (abfd, buf) & ~BFD_MACH_O_LC_REQ_DYLD;
2316 
  command->type_required = (bfd_h_get_32 (abfd, buf) & BFD_MACH_O_LC_REQ_DYLD
2317 
                            ? TRUE : FALSE);
2318 
  command->len = bfd_h_get_32 (abfd, buf + 4);
2319 
 
2320 
  switch (command->type)
2321 
    {
2322 
    case BFD_MACH_O_LC_SEGMENT:
2323 
      if (bfd_mach_o_scan_read_segment_32 (abfd, command) != 0)
2324 
        return -1;
2325 
      break;
2326 
    case BFD_MACH_O_LC_SEGMENT_64:
2327 
      if (bfd_mach_o_scan_read_segment_64 (abfd, command) != 0)
2328 
        return -1;
2329 
      break;
2330 
    case BFD_MACH_O_LC_SYMTAB:
2331 
      if (bfd_mach_o_scan_read_symtab (abfd, command) != 0)
2332 
        return -1;
2333 
      break;
2334 
    case BFD_MACH_O_LC_SYMSEG:
2335 
      break;
2336 
    case BFD_MACH_O_LC_THREAD:
2337 
    case BFD_MACH_O_LC_UNIXTHREAD:
2338 
      if (bfd_mach_o_scan_read_thread (abfd, command) != 0)
2339 
        return -1;
2340 
      break;
2341 
    case BFD_MACH_O_LC_LOAD_DYLINKER:
2342 
    case BFD_MACH_O_LC_ID_DYLINKER:
2343 
      if (bfd_mach_o_scan_read_dylinker (abfd, command) != 0)
2344 
        return -1;
2345 
      break;
2346 
    case BFD_MACH_O_LC_LOAD_DYLIB:
2347 
    case BFD_MACH_O_LC_ID_DYLIB:
2348 
    case BFD_MACH_O_LC_LOAD_WEAK_DYLIB:
2349 
    case BFD_MACH_O_LC_REEXPORT_DYLIB:
2350 
      if (bfd_mach_o_scan_read_dylib (abfd, command) != 0)
2351 
        return -1;
2352 
      break;
2353 
    case BFD_MACH_O_LC_PREBOUND_DYLIB:
2354 
      if (bfd_mach_o_scan_read_prebound_dylib (abfd, command) != 0)
2355 
        return -1;
2356 
      break;
2357 
    case BFD_MACH_O_LC_LOADFVMLIB:
2358 
    case BFD_MACH_O_LC_IDFVMLIB:
2359 
    case BFD_MACH_O_LC_IDENT:
2360 
    case BFD_MACH_O_LC_FVMFILE:
2361 
    case BFD_MACH_O_LC_PREPAGE:
2362 
    case BFD_MACH_O_LC_ROUTINES:
2363 
      break;
2364 
    case BFD_MACH_O_LC_SUB_FRAMEWORK:
2365 
    case BFD_MACH_O_LC_SUB_UMBRELLA:
2366 
    case BFD_MACH_O_LC_SUB_LIBRARY:
2367 
    case BFD_MACH_O_LC_SUB_CLIENT:
2368 
      if (bfd_mach_o_scan_read_str (abfd, command) != 0)
2369 
        return -1;
2370 
      break;
2371 
    case BFD_MACH_O_LC_DYSYMTAB:
2372 
      if (bfd_mach_o_scan_read_dysymtab (abfd, command) != 0)
2373 
        return -1;
2374 
      break;
2375 
    case BFD_MACH_O_LC_TWOLEVEL_HINTS:
2376 
    case BFD_MACH_O_LC_PREBIND_CKSUM:
2377 
      break;
2378 
    case BFD_MACH_O_LC_UUID:
2379 
      if (bfd_mach_o_scan_read_uuid (abfd, command) != 0)
2380 
        return -1;
2381 
      break;
2382 
    case BFD_MACH_O_LC_CODE_SIGNATURE:
2383 
    case BFD_MACH_O_LC_SEGMENT_SPLIT_INFO:
2384 
      if (bfd_mach_o_scan_read_linkedit (abfd, command) != 0)
2385 
        return -1;
2386 
      break;
2387 
    default:
2388 
      fprintf (stderr, "unable to read unknown load command 0x%lx\n",
2389 
               (unsigned long) command->type);
2390 
      break;
2391 
    }
2392 
 
2393 
  return 0;
2394 
}
2395 
 
2396 
static void
2397 
bfd_mach_o_flatten_sections (bfd *abfd)
2398 
{
2399 
  bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
2400 
  long csect = 0;
2401 
  unsigned long i, j;
2402 
 
2403 
  /* Count total number of sections.  */
2404 
  mdata->nsects = 0;
2405 
 
2406 
  for (i = 0; i < mdata->header.ncmds; i++)
2407 
    {
2408 
      if (mdata->commands[i].type == BFD_MACH_O_LC_SEGMENT
2409 
          || mdata->commands[i].type == BFD_MACH_O_LC_SEGMENT_64)
2410 
        {
2411 
          bfd_mach_o_segment_command *seg;
2412 
 
2413 
          seg = &mdata->commands[i].command.segment;
2414 
          mdata->nsects += seg->nsects;
2415 
        }
2416 
    }
2417 
 
2418 
  /* Allocate sections array.  */
2419 
  mdata->sections = bfd_alloc (abfd,
2420 
                               mdata->nsects * sizeof (bfd_mach_o_section *));
2421 
 
2422 
  /* Fill the array.  */
2423 
  csect = 0;
2424 
 
2425 
  for (i = 0; i < mdata->header.ncmds; i++)
2426 
    {
2427 
      if (mdata->commands[i].type == BFD_MACH_O_LC_SEGMENT
2428 
          || mdata->commands[i].type == BFD_MACH_O_LC_SEGMENT_64)
2429 
        {
2430 
          bfd_mach_o_segment_command *seg;
2431 
 
2432 
          seg = &mdata->commands[i].command.segment;
2433 
          BFD_ASSERT (csect + seg->nsects <= mdata->nsects);
2434 
 
2435 
          for (j = 0; j < seg->nsects; j++)
2436 
            mdata->sections[csect++] = &seg->sections[j];
2437 
        }
2438 
    }
2439 
}
2440 
 
2441 
int
2442 
bfd_mach_o_scan_start_address (bfd *abfd)
2443 
{
2444 
  bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
2445 
  bfd_mach_o_thread_command *cmd = NULL;
2446 
  unsigned long i;
2447 
 
2448 
  for (i = 0; i < mdata->header.ncmds; i++)
2449 
    {
2450 
      if ((mdata->commands[i].type == BFD_MACH_O_LC_THREAD) ||
2451 
          (mdata->commands[i].type == BFD_MACH_O_LC_UNIXTHREAD))
2452 
        {
2453 
          if (cmd == NULL)
2454 
            cmd = &mdata->commands[i].command.thread;
2455 
          else
2456 
            return 0;
2457 
        }
2458 
    }
2459 
 
2460 
  if (cmd == NULL)
2461 
    return 0;
2462 
 
2463 
  for (i = 0; i < cmd->nflavours; i++)
2464 
    {
2465 
      if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_I386)
2466 
          && (cmd->flavours[i].flavour
2467 
              == (unsigned long) BFD_MACH_O_x86_THREAD_STATE32))
2468 
        {
2469 
          unsigned char buf[4];
2470 
 
2471 
          if (bfd_seek (abfd, cmd->flavours[i].offset + 40, SEEK_SET) != 0
2472 
              || bfd_bread (buf, 4, abfd) != 4)
2473 
            return -1;
2474 
 
2475 
          abfd->start_address = bfd_h_get_32 (abfd, buf);
2476 
        }
2477 
      else if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_POWERPC)
2478 
               && (cmd->flavours[i].flavour == BFD_MACH_O_PPC_THREAD_STATE))
2479 
        {
2480 
          unsigned char buf[4];
2481 
 
2482 
          if (bfd_seek (abfd, cmd->flavours[i].offset + 0, SEEK_SET) != 0
2483 
              || bfd_bread (buf, 4, abfd) != 4)
2484 
            return -1;
2485 
 
2486 
          abfd->start_address = bfd_h_get_32 (abfd, buf);
2487 
        }
2488 
      else if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_POWERPC_64)
2489 
               && (cmd->flavours[i].flavour == BFD_MACH_O_PPC_THREAD_STATE64))
2490 
        {
2491 
          unsigned char buf[8];
2492 
 
2493 
          if (bfd_seek (abfd, cmd->flavours[i].offset + 0, SEEK_SET) != 0
2494 
              || bfd_bread (buf, 8, abfd) != 8)
2495 
            return -1;
2496 
 
2497 
          abfd->start_address = bfd_h_get_64 (abfd, buf);
2498 
        }
2499 
      else if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_X86_64)
2500 
               && (cmd->flavours[i].flavour == BFD_MACH_O_x86_THREAD_STATE64))
2501 
        {
2502 
          unsigned char buf[8];
2503 
 
2504 
          if (bfd_seek (abfd, cmd->flavours[i].offset + (16 * 8), SEEK_SET) != 0
2505 
              || bfd_bread (buf, 8, abfd) != 8)
2506 
            return -1;
2507 
 
2508 
          abfd->start_address = bfd_h_get_64 (abfd, buf);
2509 
        }
2510 
    }
2511 
 
2512 
  return 0;
2513 
}
2514 
 
2515 
int
2516 
bfd_mach_o_scan (bfd *abfd,
2517 
                 bfd_mach_o_header *header,
2518 
                 bfd_mach_o_data_struct *mdata)
2519 
{
2520 
  unsigned int i;
2521 
  enum bfd_architecture cputype;
2522 
  unsigned long cpusubtype;
2523 
  unsigned int hdrsize;
2524 
 
2525 
  hdrsize = mach_o_wide_p (header) ?
2526 
    BFD_MACH_O_HEADER_64_SIZE : BFD_MACH_O_HEADER_SIZE;
2527 
 
2528 
  mdata->header = *header;
2529 
 
2530 
  abfd->flags = abfd->flags & BFD_IN_MEMORY;
2531 
  switch (header->filetype)
2532 
    {
2533 
    case BFD_MACH_O_MH_OBJECT:
2534 
      abfd->flags |= HAS_RELOC;
2535 
      break;
2536 
    case BFD_MACH_O_MH_EXECUTE:
2537 
      abfd->flags |= EXEC_P;
2538 
      break;
2539 
    case BFD_MACH_O_MH_DYLIB:
2540 
    case BFD_MACH_O_MH_BUNDLE:
2541 
      abfd->flags |= DYNAMIC;
2542 
      break;
2543 
    }
2544 
 
2545 
  abfd->tdata.mach_o_data = mdata;
2546 
 
2547 
  bfd_mach_o_convert_architecture (header->cputype, header->cpusubtype,
2548 
                                   &cputype, &cpusubtype);
2549 
  if (cputype == bfd_arch_unknown)
2550 
    {
2551 
      fprintf (stderr, "bfd_mach_o_scan: unknown architecture 0x%lx/0x%lx\n",
2552 
               header->cputype, header->cpusubtype);
2553 
      return -1;
2554 
    }
2555 
 
2556 
  bfd_set_arch_mach (abfd, cputype, cpusubtype);
2557 
 
2558 
  if (header->ncmds != 0)
2559 
    {
2560 
      mdata->commands = bfd_alloc
2561 
        (abfd, header->ncmds * sizeof (bfd_mach_o_load_command));
2562 
      if (mdata->commands == NULL)
2563 
        return -1;
2564 
 
2565 
      for (i = 0; i < header->ncmds; i++)
2566 
        {
2567 
          bfd_mach_o_load_command *cur = &mdata->commands[i];
2568 
 
2569 
          if (i == 0)
2570 
            cur->offset = hdrsize;
2571 
          else
2572 
            {
2573 
              bfd_mach_o_load_command *prev = &mdata->commands[i - 1];
2574 
              cur->offset = prev->offset + prev->len;
2575 
            }
2576 
 
2577 
          if (bfd_mach_o_scan_read_command (abfd, cur) < 0)
2578 
            return -1;
2579 
        }
2580 
    }
2581 
 
2582 
  if (bfd_mach_o_scan_start_address (abfd) < 0)
2583 
    return -1;
2584 
 
2585 
  bfd_mach_o_flatten_sections (abfd);
2586 
  return 0;
2587 
}
2588 
 
2589 
bfd_boolean
2590 
bfd_mach_o_mkobject_init (bfd *abfd)
2591 
{
2592 
  bfd_mach_o_data_struct *mdata = NULL;
2593 
 
2594 
  mdata = bfd_alloc (abfd, sizeof (bfd_mach_o_data_struct));
2595 
  if (mdata == NULL)
2596 
    return FALSE;
2597 
  abfd->tdata.mach_o_data = mdata;
2598 
 
2599 
  mdata->header.magic = 0;
2600 
  mdata->header.cputype = 0;
2601 
  mdata->header.cpusubtype = 0;
2602 
  mdata->header.filetype = 0;
2603 
  mdata->header.ncmds = 0;
2604 
  mdata->header.sizeofcmds = 0;
2605 
  mdata->header.flags = 0;
2606 
  mdata->header.byteorder = BFD_ENDIAN_UNKNOWN;
2607 
  mdata->commands = NULL;
2608 
  mdata->nsects = 0;
2609 
  mdata->sections = NULL;
2610 
 
2611 
  return TRUE;
2612 
}
2613 
 
2614 
const bfd_target *
2615 
bfd_mach_o_header_p (bfd *abfd,
2616 
                     bfd_mach_o_filetype filetype,
2617 
                     bfd_mach_o_cpu_type cputype)
2618 
{
2619 
  struct bfd_preserve preserve;
2620 
  bfd_mach_o_header header;
2621 
 
2622 
  preserve.marker = NULL;
2623 
  if (!bfd_mach_o_read_header (abfd, &header))
2624 
    goto wrong;
2625 
 
2626 
  if (! (header.byteorder == BFD_ENDIAN_BIG
2627 
         || header.byteorder == BFD_ENDIAN_LITTLE))
2628 
    {
2629 
      fprintf (stderr, "unknown header byte-order value 0x%lx\n",
2630 
               (unsigned long) header.byteorder);
2631 
      goto wrong;
2632 
    }
2633 
 
2634 
  if (! ((header.byteorder == BFD_ENDIAN_BIG
2635 
          && abfd->xvec->byteorder == BFD_ENDIAN_BIG
2636 
          && abfd->xvec->header_byteorder == BFD_ENDIAN_BIG)
2637 
         || (header.byteorder == BFD_ENDIAN_LITTLE
2638 
             && abfd->xvec->byteorder == BFD_ENDIAN_LITTLE
2639 
             && abfd->xvec->header_byteorder == BFD_ENDIAN_LITTLE)))
2640 
    goto wrong;
2641 
 
2642 
  /* Check cputype and filetype.
2643 
     In case of wildcard, do not accept magics that are handled by existing
2644 
     targets.  */
2645 
  if (cputype)
2646 
    {
2647 
      if (header.cputype != cputype)
2648 
        goto wrong;
2649 
    }
2650 
  else
2651 
    {
2652 
      switch (header.cputype)
2653 
        {
2654 
        case BFD_MACH_O_CPU_TYPE_I386:
2655 
          /* Handled by mach-o-i386 */
2656 
          goto wrong;
2657 
        default:
2658 
          break;
2659 
        }
2660 
    }
2661 
  if (filetype)
2662 
    {
2663 
      if (header.filetype != filetype)
2664 
        goto wrong;
2665 
    }
2666 
  else
2667 
    {
2668 
      switch (header.filetype)
2669 
        {
2670 
        case BFD_MACH_O_MH_CORE:
2671 
          /* Handled by core_p */
2672 
          goto wrong;
2673 
        default:
2674 
          break;
2675 
        }
2676 
    }
2677 
 
2678 
  preserve.marker = bfd_zalloc (abfd, sizeof (bfd_mach_o_data_struct));
2679 
  if (preserve.marker == NULL
2680 
      || !bfd_preserve_save (abfd, &preserve))
2681 
    goto fail;
2682 
 
2683 
  if (bfd_mach_o_scan (abfd, &header,
2684 
                       (bfd_mach_o_data_struct *) preserve.marker) != 0)
2685 
    goto wrong;
2686 
 
2687 
  bfd_preserve_finish (abfd, &preserve);
2688 
  return abfd->xvec;
2689 
 
2690 
 wrong:
2691 
  bfd_set_error (bfd_error_wrong_format);
2692 
 
2693 
 fail:
2694 
  if (preserve.marker != NULL)
2695 
    bfd_preserve_restore (abfd, &preserve);
2696 
  return NULL;
2697 
}
2698 
 
2699 
static const bfd_target *
2700 
bfd_mach_o_gen_object_p (bfd *abfd)
2701 
{
2702 
  return bfd_mach_o_header_p (abfd, 0, 0);
2703 
}
2704 
 
2705 
static const bfd_target *
2706 
bfd_mach_o_gen_core_p (bfd *abfd)
2707 
{
2708 
  return bfd_mach_o_header_p (abfd, BFD_MACH_O_MH_CORE, 0);
2709 
}
2710 
 
2711 
typedef struct mach_o_fat_archentry
2712 
{
2713 
  unsigned long cputype;
2714 
  unsigned long cpusubtype;
2715 
  unsigned long offset;
2716 
  unsigned long size;
2717 
  unsigned long align;
2718 
} mach_o_fat_archentry;
2719 
 
2720 
typedef struct mach_o_fat_data_struct
2721 
{
2722 
  unsigned long magic;
2723 
  unsigned long nfat_arch;
2724 
  mach_o_fat_archentry *archentries;
2725 
} mach_o_fat_data_struct;
2726 
 
2727 
const bfd_target *
2728 
bfd_mach_o_archive_p (bfd *abfd)
2729 
{
2730 
  mach_o_fat_data_struct *adata = NULL;
2731 
  unsigned char buf[20];
2732 
  unsigned long i;
2733 
 
2734 
  if (bfd_seek (abfd, 0, SEEK_SET) != 0
2735 
      || bfd_bread ((PTR) buf, 8, abfd) != 8)
2736 
    goto error;
2737 
 
2738 
  adata = bfd_alloc (abfd, sizeof (mach_o_fat_data_struct));
2739 
  if (adata == NULL)
2740 
    goto error;
2741 
 
2742 
  adata->magic = bfd_getb32 (buf);
2743 
  adata->nfat_arch = bfd_getb32 (buf + 4);
2744 
  if (adata->magic != 0xcafebabe)
2745 
    goto error;
2746 
  /* Avoid matching Java bytecode files, which have the same magic number.
2747 
     In the Java bytecode file format this field contains the JVM version,
2748 
     which starts at 43.0.  */
2749 
  if (adata->nfat_arch > 30)
2750 
    goto error;
2751 
 
2752 
  adata->archentries =
2753 
    bfd_alloc (abfd, adata->nfat_arch * sizeof (mach_o_fat_archentry));
2754 
  if (adata->archentries == NULL)
2755 
    goto error;
2756 
 
2757 
  for (i = 0; i < adata->nfat_arch; i++)
2758 
    {
2759 
      if (bfd_seek (abfd, 8 + 20 * i, SEEK_SET) != 0
2760 
          || bfd_bread ((PTR) buf, 20, abfd) != 20)
2761 
        goto error;
2762 
      adata->archentries[i].cputype = bfd_getb32 (buf);
2763 
      adata->archentries[i].cpusubtype = bfd_getb32 (buf + 4);
2764 
      adata->archentries[i].offset = bfd_getb32 (buf + 8);
2765 
      adata->archentries[i].size = bfd_getb32 (buf + 12);
2766 
      adata->archentries[i].align = bfd_getb32 (buf + 16);
2767 
    }
2768 
 
2769 
  abfd->tdata.mach_o_fat_data = adata;
2770 
  return abfd->xvec;
2771 
 
2772 
 error:
2773 
  if (adata != NULL)
2774 
    bfd_release (abfd, adata);
2775 
  bfd_set_error (bfd_error_wrong_format);
2776 
  return NULL;
2777 
}
2778 
 
2779 
bfd *
2780 
bfd_mach_o_openr_next_archived_file (bfd *archive, bfd *prev)
2781 
{
2782 
  mach_o_fat_data_struct *adata;
2783 
  mach_o_fat_archentry *entry = NULL;
2784 
  unsigned long i;
2785 
  bfd *nbfd;
2786 
  enum bfd_architecture arch_type;
2787 
  unsigned long arch_subtype;
2788 
 
2789 
  adata = (mach_o_fat_data_struct *) archive->tdata.mach_o_fat_data;
2790 
  BFD_ASSERT (adata != NULL);
2791 
 
2792 
  /* Find index of previous entry.  */
2793 
  if (prev == NULL)
2794 
    i = 0;       /* Start at first one.  */
2795 
  else
2796 
    {
2797 
      for (i = 0; i < adata->nfat_arch; i++)
2798 
        {
2799 
          if (adata->archentries[i].offset == prev->origin)
2800 
            break;
2801 
        }
2802 
 
2803 
      if (i == adata->nfat_arch)
2804 
        {
2805 
          /* Not found.  */
2806 
          bfd_set_error (bfd_error_bad_value);
2807 
          return NULL;
2808 
        }
2809 
    i++;        /* Get next entry.  */
2810 
  }
2811 
 
2812 
  if (i >= adata->nfat_arch)
2813 
    {
2814 
      bfd_set_error (bfd_error_no_more_archived_files);
2815 
      return NULL;
2816 
    }
2817 
 
2818 
  entry = &adata->archentries[i];
2819 
  nbfd = _bfd_new_bfd_contained_in (archive);
2820 
  if (nbfd == NULL)
2821 
    return NULL;
2822 
 
2823 
  nbfd->origin = entry->offset;
2824 
 
2825 
  bfd_mach_o_convert_architecture (entry->cputype, entry->cpusubtype,
2826 
                                   &arch_type, &arch_subtype);
2827 
  /* Create the member filename.
2828 
     Use FILENAME:ARCH_NAME.  */
2829 
  {
2830 
    char *s = NULL;
2831 
    const char *arch_name;
2832 
    size_t arch_file_len = strlen (bfd_get_filename (archive));
2833 
 
2834 
    arch_name = bfd_printable_arch_mach (arch_type, arch_subtype);
2835 
    s = bfd_malloc (arch_file_len + 1 + strlen (arch_name) + 1);
2836 
    if (s == NULL)
2837 
      return NULL;
2838 
    memcpy (s, bfd_get_filename (archive), arch_file_len);
2839 
    s[arch_file_len] = ':';
2840 
    strcpy (s + arch_file_len + 1, arch_name);
2841 
    nbfd->filename = s;
2842 
  }
2843 
  nbfd->iostream = NULL;
2844 
  bfd_set_arch_mach (nbfd, arch_type, arch_subtype);
2845 
 
2846 
  return nbfd;
2847 
}
2848 
 
2849 
/* If ABFD format is FORMAT and architecture is ARCH, return it.
2850 
   If ABFD is a fat image containing a member that corresponds to FORMAT
2851 
   and ARCH, returns it.
2852 
   In other case, returns NULL.
2853 
   This function allows transparent uses of fat images.  */
2854 
bfd *
2855 
bfd_mach_o_fat_extract (bfd *abfd,
2856 
                        bfd_format format,
2857 
                        const bfd_arch_info_type *arch)
2858 
{
2859 
  bfd *res;
2860 
  mach_o_fat_data_struct *adata;
2861 
  unsigned int i;
2862 
 
2863 
  if (bfd_check_format (abfd, format))
2864 
    {
2865 
      if (bfd_get_arch_info (abfd) == arch)
2866 
        return abfd;
2867 
      return NULL;
2868 
    }
2869 
  if (!bfd_check_format (abfd, bfd_archive)
2870 
      || abfd->xvec != &mach_o_fat_vec)
2871 
    return NULL;
2872 
 
2873 
  /* This is a Mach-O fat image.  */
2874 
  adata = (mach_o_fat_data_struct *) abfd->tdata.mach_o_fat_data;
2875 
  BFD_ASSERT (adata != NULL);
2876 
 
2877 
  for (i = 0; i < adata->nfat_arch; i++)
2878 
    {
2879 
      struct mach_o_fat_archentry *e = &adata->archentries[i];
2880 
      enum bfd_architecture cpu_type;
2881 
      unsigned long cpu_subtype;
2882 
 
2883 
      bfd_mach_o_convert_architecture (e->cputype, e->cpusubtype,
2884 
                                       &cpu_type, &cpu_subtype);
2885 
      if (cpu_type != arch->arch || cpu_subtype != arch->mach)
2886 
        continue;
2887 
 
2888 
      /* The architecture is found.  */
2889 
      res = _bfd_new_bfd_contained_in (abfd);
2890 
      if (res == NULL)
2891 
        return NULL;
2892 
 
2893 
      res->origin = e->offset;
2894 
 
2895 
      res->filename = strdup (abfd->filename);
2896 
      res->iostream = NULL;
2897 
 
2898 
      if (bfd_check_format (res, format))
2899 
        {
2900 
          BFD_ASSERT (bfd_get_arch_info (res) == arch);
2901 
          return res;
2902 
        }
2903 
      bfd_close (res);
2904 
      return NULL;
2905 
    }
2906 
 
2907 
  return NULL;
2908 
}
2909 
 
2910 
int
2911 
bfd_mach_o_lookup_section (bfd *abfd,
2912 
                           asection *section,
2913 
                           bfd_mach_o_load_command **mcommand,
2914 
                           bfd_mach_o_section **msection)
2915 
{
2916 
  struct mach_o_data_struct *md = bfd_mach_o_get_data (abfd);
2917 
  unsigned int i, j, num;
2918 
 
2919 
  bfd_mach_o_load_command *ncmd = NULL;
2920 
  bfd_mach_o_section *nsect = NULL;
2921 
 
2922 
  BFD_ASSERT (mcommand != NULL);
2923 
  BFD_ASSERT (msection != NULL);
2924 
 
2925 
  num = 0;
2926 
  for (i = 0; i < md->header.ncmds; i++)
2927 
    {
2928 
      struct bfd_mach_o_load_command *cmd = &md->commands[i];
2929 
      struct bfd_mach_o_segment_command *seg = NULL;
2930 
 
2931 
      if (cmd->type != BFD_MACH_O_LC_SEGMENT
2932 
          || cmd->type != BFD_MACH_O_LC_SEGMENT_64)
2933 
        continue;
2934 
      seg = &cmd->command.segment;
2935 
 
2936 
      for (j = 0; j < seg->nsects; j++)
2937 
        {
2938 
          struct bfd_mach_o_section *sect = &seg->sections[j];
2939 
 
2940 
          if (sect->bfdsection == section)
2941 
            {
2942 
              if (num == 0)
2943 
                {
2944 
                  nsect = sect;
2945 
                  ncmd = cmd;
2946 
                }
2947 
              num++;
2948 
            }
2949 
        }
2950 
    }
2951 
 
2952 
  *mcommand = ncmd;
2953 
  *msection = nsect;
2954 
  return num;
2955 
}
2956 
 
2957 
int
2958 
bfd_mach_o_lookup_command (bfd *abfd,
2959 
                           bfd_mach_o_load_command_type type,
2960 
                           bfd_mach_o_load_command **mcommand)
2961 
{
2962 
  struct mach_o_data_struct *md = bfd_mach_o_get_data (abfd);
2963 
  bfd_mach_o_load_command *ncmd = NULL;
2964 
  unsigned int i, num;
2965 
 
2966 
  BFD_ASSERT (md != NULL);
2967 
  BFD_ASSERT (mcommand != NULL);
2968 
 
2969 
  num = 0;
2970 
  for (i = 0; i < md->header.ncmds; i++)
2971 
    {
2972 
      struct bfd_mach_o_load_command *cmd = &md->commands[i];
2973 
 
2974 
      if (cmd->type != type)
2975 
        continue;
2976 
 
2977 
      if (num == 0)
2978 
        ncmd = cmd;
2979 
      num++;
2980 
    }
2981 
 
2982 
  *mcommand = ncmd;
2983 
  return num;
2984 
}
2985 
 
2986 
unsigned long
2987 
bfd_mach_o_stack_addr (enum bfd_mach_o_cpu_type type)
2988 
{
2989 
  switch (type)
2990 
    {
2991 
    case BFD_MACH_O_CPU_TYPE_MC680x0:
2992 
      return 0x04000000;
2993 
    case BFD_MACH_O_CPU_TYPE_MC88000:
2994 
      return 0xffffe000;
2995 
    case BFD_MACH_O_CPU_TYPE_POWERPC:
2996 
      return 0xc0000000;
2997 
    case BFD_MACH_O_CPU_TYPE_I386:
2998 
      return 0xc0000000;
2999 
    case BFD_MACH_O_CPU_TYPE_SPARC:
3000 
      return 0xf0000000;
3001 
    case BFD_MACH_O_CPU_TYPE_I860:
3002 
      return 0;
3003 
    case BFD_MACH_O_CPU_TYPE_HPPA:
3004 
      return 0xc0000000 - 0x04000000;
3005 
    default:
3006 
      return 0;
3007 
    }
3008 
}
3009 
 
3010 
typedef struct bfd_mach_o_xlat_name
3011 
{
3012 
  const char *name;
3013 
  unsigned long val;
3014 
}
3015 
bfd_mach_o_xlat_name;
3016 
 
3017 
static void
3018 
bfd_mach_o_print_flags (const bfd_mach_o_xlat_name *table,
3019 
                        unsigned long val,
3020 
                        FILE *file)
3021 
{
3022 
  int first = 1;
3023 
 
3024 
  for (; table->name; table++)
3025 
    {
3026 
      if (table->val & val)
3027 
        {
3028 
          if (!first)
3029 
            fprintf (file, "+");
3030 
          fprintf (file, "%s", table->name);
3031 
          val &= ~table->val;
3032 
          first = 0;
3033 
        }
3034 
    }
3035 
  if (val)
3036 
    {
3037 
      if (!first)
3038 
        fprintf (file, "+");
3039 
      fprintf (file, "0x%lx", val);
3040 
      return;
3041 
    }
3042 
  if (first)
3043 
    fprintf (file, "-");
3044 
}
3045 
 
3046 
static const char *
3047 
bfd_mach_o_get_name (const bfd_mach_o_xlat_name *table, unsigned long val)
3048 
{
3049 
  for (; table->name; table++)
3050 
    if (table->val == val)
3051 
      return table->name;
3052 
  return "*UNKNOWN*";
3053 
}
3054 
 
3055 
static bfd_mach_o_xlat_name bfd_mach_o_cpu_name[] =
3056 
{
3057 
  { "vax", BFD_MACH_O_CPU_TYPE_VAX},
3058 
  { "mc680x0", BFD_MACH_O_CPU_TYPE_MC680x0},
3059 
  { "i386", BFD_MACH_O_CPU_TYPE_I386},
3060 
  { "mips", BFD_MACH_O_CPU_TYPE_MIPS},
3061 
  { "mc98000", BFD_MACH_O_CPU_TYPE_MC98000},
3062 
  { "hppa", BFD_MACH_O_CPU_TYPE_HPPA},
3063 
  { "arm", BFD_MACH_O_CPU_TYPE_ARM},
3064 
  { "mc88000", BFD_MACH_O_CPU_TYPE_MC88000},
3065 
  { "sparc", BFD_MACH_O_CPU_TYPE_SPARC},
3066 
  { "i860", BFD_MACH_O_CPU_TYPE_I860},
3067 
  { "alpha", BFD_MACH_O_CPU_TYPE_ALPHA},
3068 
  { "powerpc", BFD_MACH_O_CPU_TYPE_POWERPC},
3069 
  { "powerpc_64", BFD_MACH_O_CPU_TYPE_POWERPC_64},
3070 
  { "x86_64", BFD_MACH_O_CPU_TYPE_X86_64},
3071 
  { NULL, 0}
3072 
};
3073 
 
3074 
static bfd_mach_o_xlat_name bfd_mach_o_filetype_name[] =
3075 
{
3076 
  { "object", BFD_MACH_O_MH_OBJECT},
3077 
  { "execute", BFD_MACH_O_MH_EXECUTE},
3078 
  { "fvmlib", BFD_MACH_O_MH_FVMLIB},
3079 
  { "core", BFD_MACH_O_MH_CORE},
3080 
  { "preload", BFD_MACH_O_MH_PRELOAD},
3081 
  { "dylib", BFD_MACH_O_MH_DYLIB},
3082 
  { "dylinker", BFD_MACH_O_MH_DYLINKER},
3083 
  { "bundle", BFD_MACH_O_MH_BUNDLE},
3084 
  { NULL, 0}
3085 
};
3086 
 
3087 
static bfd_mach_o_xlat_name bfd_mach_o_header_flags_name[] =
3088 
{
3089 
  { "noundefs", BFD_MACH_O_MH_NOUNDEFS },
3090 
  { "incrlink", BFD_MACH_O_MH_INCRLINK },
3091 
  { "dyldlink", BFD_MACH_O_MH_DYLDLINK },
3092 
  { "bindatload", BFD_MACH_O_MH_BINDATLOAD },
3093 
  { "prebound", BFD_MACH_O_MH_PREBOUND },
3094 
  { "split_segs", BFD_MACH_O_MH_SPLIT_SEGS },
3095 
  { "lazy_init", BFD_MACH_O_MH_LAZY_INIT },
3096 
  { "twolevel", BFD_MACH_O_MH_TWOLEVEL },
3097 
  { "force_flat", BFD_MACH_O_MH_FORCE_FLAT },
3098 
  { "nomultidefs", BFD_MACH_O_MH_NOMULTIDEFS },
3099 
  { "nofixprebinding", BFD_MACH_O_MH_NOFIXPREBINDING },
3100 
  { "prebindable", BFD_MACH_O_MH_PREBINDABLE },
3101 
  { "allmodsbound", BFD_MACH_O_MH_ALLMODSBOUND },
3102 
  { "subsections_via_symbols", BFD_MACH_O_MH_SUBSECTIONS_VIA_SYMBOLS },
3103 
  { "canonical", BFD_MACH_O_MH_CANONICAL },
3104 
  { "weak_defines", BFD_MACH_O_MH_WEAK_DEFINES },
3105 
  { "binds_to_weak", BFD_MACH_O_MH_BINDS_TO_WEAK },
3106 
  { "allow_stack_execution", BFD_MACH_O_MH_ALLOW_STACK_EXECUTION },
3107 
  { "root_safe", BFD_MACH_O_MH_ROOT_SAFE },
3108 
  { "setuid_safe", BFD_MACH_O_MH_SETUID_SAFE },
3109 
  { "no_reexported_dylibs", BFD_MACH_O_MH_NO_REEXPORTED_DYLIBS },
3110 
  { "pie", BFD_MACH_O_MH_PIE },
3111 
  { NULL, 0}
3112 
};
3113 
 
3114 
static bfd_mach_o_xlat_name bfd_mach_o_section_type_name[] =
3115 
{
3116 
  { "regular", BFD_MACH_O_S_REGULAR},
3117 
  { "zerofill", BFD_MACH_O_S_ZEROFILL},
3118 
  { "cstring_literals", BFD_MACH_O_S_CSTRING_LITERALS},
3119 
  { "4byte_literals", BFD_MACH_O_S_4BYTE_LITERALS},
3120 
  { "8byte_literals", BFD_MACH_O_S_8BYTE_LITERALS},
3121 
  { "literal_pointers", BFD_MACH_O_S_LITERAL_POINTERS},
3122 
  { "non_lazy_symbol_pointers", BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS},
3123 
  { "lazy_symbol_pointers", BFD_MACH_O_S_LAZY_SYMBOL_POINTERS},
3124 
  { "symbol_stubs", BFD_MACH_O_S_SYMBOL_STUBS},
3125 
  { "mod_init_func_pointers", BFD_MACH_O_S_MOD_INIT_FUNC_POINTERS},
3126 
  { "mod_fini_func_pointers", BFD_MACH_O_S_MOD_FINI_FUNC_POINTERS},
3127 
  { "coalesced", BFD_MACH_O_S_COALESCED},
3128 
  { "gb_zerofill", BFD_MACH_O_S_GB_ZEROFILL},
3129 
  { "interposing", BFD_MACH_O_S_INTERPOSING},
3130 
  { "16byte_literals", BFD_MACH_O_S_16BYTE_LITERALS},
3131 
  { "dtrace_dof", BFD_MACH_O_S_DTRACE_DOF},
3132 
  { "lazy_dylib_symbol_pointers", BFD_MACH_O_S_LAZY_DYLIB_SYMBOL_POINTERS},
3133 
  { NULL, 0}
3134 
};
3135 
 
3136 
static bfd_mach_o_xlat_name bfd_mach_o_section_attribute_name[] =
3137 
{
3138 
  { "loc_reloc", BFD_MACH_O_S_ATTR_LOC_RELOC },
3139 
  { "ext_reloc", BFD_MACH_O_S_ATTR_EXT_RELOC },
3140 
  { "some_instructions", BFD_MACH_O_S_ATTR_SOME_INSTRUCTIONS },
3141 
  { "debug", BFD_MACH_O_S_ATTR_DEBUG },
3142 
  { "modifying_code", BFD_MACH_O_S_SELF_MODIFYING_CODE },
3143 
  { "live_support", BFD_MACH_O_S_ATTR_LIVE_SUPPORT },
3144 
  { "no_dead_strip", BFD_MACH_O_S_ATTR_NO_DEAD_STRIP },
3145 
  { "strip_static_syms", BFD_MACH_O_S_ATTR_STRIP_STATIC_SYMS },
3146 
  { "no_toc", BFD_MACH_O_S_ATTR_NO_TOC },
3147 
  { "pure_instructions", BFD_MACH_O_S_ATTR_PURE_INSTRUCTIONS },
3148 
  { NULL, 0}
3149 
};
3150 
 
3151 
static bfd_mach_o_xlat_name bfd_mach_o_load_command_name[] =
3152 
{
3153 
  { "segment", BFD_MACH_O_LC_SEGMENT},
3154 
  { "symtab", BFD_MACH_O_LC_SYMTAB},
3155 
  { "symseg", BFD_MACH_O_LC_SYMSEG},
3156 
  { "thread", BFD_MACH_O_LC_THREAD},
3157 
  { "unixthread", BFD_MACH_O_LC_UNIXTHREAD},
3158 
  { "loadfvmlib", BFD_MACH_O_LC_LOADFVMLIB},
3159 
  { "idfvmlib", BFD_MACH_O_LC_IDFVMLIB},
3160 
  { "ident", BFD_MACH_O_LC_IDENT},
3161 
  { "fvmfile", BFD_MACH_O_LC_FVMFILE},
3162 
  { "prepage", BFD_MACH_O_LC_PREPAGE},
3163 
  { "dysymtab", BFD_MACH_O_LC_DYSYMTAB},
3164 
  { "load_dylib", BFD_MACH_O_LC_LOAD_DYLIB},
3165 
  { "id_dylib", BFD_MACH_O_LC_ID_DYLIB},
3166 
  { "load_dylinker", BFD_MACH_O_LC_LOAD_DYLINKER},
3167 
  { "id_dylinker", BFD_MACH_O_LC_ID_DYLINKER},
3168 
  { "prebound_dylib", BFD_MACH_O_LC_PREBOUND_DYLIB},
3169 
  { "routines", BFD_MACH_O_LC_ROUTINES},
3170 
  { "sub_framework", BFD_MACH_O_LC_SUB_FRAMEWORK},
3171 
  { "sub_umbrella", BFD_MACH_O_LC_SUB_UMBRELLA},
3172 
  { "sub_client", BFD_MACH_O_LC_SUB_CLIENT},
3173 
  { "sub_library", BFD_MACH_O_LC_SUB_LIBRARY},
3174 
  { "twolevel_hints", BFD_MACH_O_LC_TWOLEVEL_HINTS},
3175 
  { "prebind_cksum", BFD_MACH_O_LC_PREBIND_CKSUM},
3176 
  { "load_weak_dylib", BFD_MACH_O_LC_LOAD_WEAK_DYLIB},
3177 
  { "segment_64", BFD_MACH_O_LC_SEGMENT_64},
3178 
  { "routines_64", BFD_MACH_O_LC_ROUTINES_64},
3179 
  { "uuid", BFD_MACH_O_LC_UUID},
3180 
  { "rpath", BFD_MACH_O_LC_RPATH},
3181 
  { "code_signature", BFD_MACH_O_LC_CODE_SIGNATURE},
3182 
  { "segment_split_info", BFD_MACH_O_LC_SEGMENT_SPLIT_INFO},
3183 
  { "reexport_dylib", BFD_MACH_O_LC_REEXPORT_DYLIB},
3184 
  { "lazy_load_dylib", BFD_MACH_O_LC_LAZY_LOAD_DYLIB},
3185 
  { "encryption_info", BFD_MACH_O_LC_ENCRYPTION_INFO},
3186 
  { NULL, 0}
3187 
};
3188 
 
3189 
static void
3190 
bfd_mach_o_print_private_header (bfd *abfd, FILE *file)
3191 
{
3192 
  bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
3193 
  bfd_mach_o_header *h = &mdata->header;
3194 
 
3195 
  fprintf (file, _("Mach-O header:\n"));
3196 
  fprintf (file, _(" magic     : %08lx\n"), h->magic);
3197 
  fprintf (file, _(" cputype   : %08lx (%s)\n"), h->cputype,
3198 
           bfd_mach_o_get_name (bfd_mach_o_cpu_name, h->cputype));
3199 
  fprintf (file, _(" cpusubtype: %08lx\n"), h->cpusubtype);
3200 
  fprintf (file, _(" filetype  : %08lx (%s)\n"),
3201 
           h->filetype,
3202 
           bfd_mach_o_get_name (bfd_mach_o_filetype_name, h->filetype));
3203 
  fprintf (file, _(" ncmds     : %08lx\n"), h->ncmds);
3204 
  fprintf (file, _(" sizeofcmds: %08lx\n"), h->sizeofcmds);
3205 
  fprintf (file, _(" flags     : %08lx ("), h->flags);
3206 
  bfd_mach_o_print_flags (bfd_mach_o_header_flags_name, h->flags, file);
3207 
  fprintf (file, _(")\n"));
3208 
  fprintf (file, _(" reserved  : %08x\n"), h->reserved);
3209 
}
3210 
 
3211 
static void
3212 
bfd_mach_o_print_section_map (bfd *abfd, FILE *file)
3213 
{
3214 
  bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
3215 
  unsigned int i, j;
3216 
  unsigned int sec_nbr = 0;
3217 
 
3218 
  fprintf (file, _("Segments and Sections:\n"));
3219 
  fprintf (file, _(" #: Segment name     Section name     Address\n"));
3220 
 
3221 
  for (i = 0; i < mdata->header.ncmds; i++)
3222 
    {
3223 
      bfd_mach_o_segment_command *seg;
3224 
 
3225 
      if (mdata->commands[i].type != BFD_MACH_O_LC_SEGMENT
3226 
          && mdata->commands[i].type != BFD_MACH_O_LC_SEGMENT_64)
3227 
        continue;
3228 
 
3229 
      seg = &mdata->commands[i].command.segment;
3230 
 
3231 
      fprintf (file, "[Segment %-16s ", seg->segname);
3232 
      fprintf_vma (file, seg->vmaddr);
3233 
      fprintf (file, "-");
3234 
      fprintf_vma  (file, seg->vmaddr + seg->vmsize - 1);
3235 
      fputc (' ', file);
3236 
      fputc (seg->initprot & BFD_MACH_O_PROT_READ ? 'r' : '-', file);
3237 
      fputc (seg->initprot & BFD_MACH_O_PROT_WRITE ? 'w' : '-', file);
3238 
      fputc (seg->initprot & BFD_MACH_O_PROT_EXECUTE ? 'x' : '-', file);
3239 
      fprintf (file, "]\n");
3240 
      for (j = 0; j < seg->nsects; j++)
3241 
        {
3242 
          bfd_mach_o_section *sec = &seg->sections[j];
3243 
          fprintf (file, "%02u: %-16s %-16s ", ++sec_nbr,
3244 
                   sec->segname, sec->sectname);
3245 
          fprintf_vma (file, sec->addr);
3246 
          fprintf (file, " ");
3247 
          fprintf_vma  (file, sec->size);
3248 
          fprintf (file, " %08lx\n", sec->flags);
3249 
        }
3250 
    }
3251 
}
3252 
 
3253 
/* Return the number of indirect symbols for a section.
3254 
   Must be called only for symbol pointer section and symbol stubs
3255 
   sections.  */
3256 
 
3257 
static unsigned int
3258 
bfd_mach_o_section_get_nbr_indirect (bfd *abfd, bfd_mach_o_section *sec)
3259 
{
3260 
  unsigned int elsz;
3261 
 
3262 
  switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK)
3263 
    {
3264 
    case BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS:
3265 
    case BFD_MACH_O_S_LAZY_SYMBOL_POINTERS:
3266 
      elsz = bfd_mach_o_wide_p (abfd) ? 8 : 4;
3267 
      return sec->size / elsz;
3268 
    case BFD_MACH_O_S_SYMBOL_STUBS:
3269 
      elsz = sec->reserved2;
3270 
      if (elsz)
3271 
        return sec->size / elsz;
3272 
      else
3273 
        return 0;
3274 
    default:
3275 
      BFD_FAIL ();
3276 
      return 0;
3277 
    }
3278 
}
3279 
 
3280 
static void
3281 
bfd_mach_o_print_section (bfd *abfd ATTRIBUTE_UNUSED,
3282 
                          bfd_mach_o_section *sec, FILE *file)
3283 
{
3284 
  fprintf (file, " Section: %-16s %-16s (bfdname: %s)\n",
3285 
           sec->sectname, sec->segname, sec->bfdsection->name);
3286 
  fprintf (file, "  addr: ");
3287 
  fprintf_vma (file, sec->addr);
3288 
  fprintf (file, " size: ");
3289 
  fprintf_vma  (file, sec->size);
3290 
  fprintf (file, " offset: ");
3291 
  fprintf_vma (file, sec->offset);
3292 
  fprintf (file, "\n");
3293 
  fprintf (file, "  align: %ld", sec->align);
3294 
  fprintf (file, "  nreloc: %lu  reloff: ", sec->nreloc);
3295 
  fprintf_vma (file, sec->reloff);
3296 
  fprintf (file, "\n");
3297 
  fprintf (file, "  flags: %08lx (type: %s", sec->flags,
3298 
           bfd_mach_o_get_name (bfd_mach_o_section_type_name,
3299 
                                sec->flags & BFD_MACH_O_SECTION_TYPE_MASK));
3300 
  fprintf (file, " attr: ");
3301 
  bfd_mach_o_print_flags (bfd_mach_o_section_attribute_name,
3302 
                          sec->flags & BFD_MACH_O_SECTION_ATTRIBUTES_MASK,
3303 
                          file);
3304 
  fprintf (file, ")\n");
3305 
  switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK)
3306 
    {
3307 
    case BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS:
3308 
    case BFD_MACH_O_S_LAZY_SYMBOL_POINTERS:
3309 
    case BFD_MACH_O_S_SYMBOL_STUBS:
3310 
      fprintf (file, "  first indirect sym: %lu", sec->reserved1);
3311 
      fprintf (file, " (%u entries)",
3312 
               bfd_mach_o_section_get_nbr_indirect (abfd, sec));
3313 
      break;
3314 
    default:
3315 
      fprintf (file, "  reserved1: 0x%lx", sec->reserved1);
3316 
      break;
3317 
    }
3318 
  switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK)
3319 
    {
3320 
    case BFD_MACH_O_S_SYMBOL_STUBS:
3321 
      fprintf (file, "  stub size: %lu", sec->reserved2);
3322 
      break;
3323 
    default:
3324 
      fprintf (file, "  reserved2: 0x%lx", sec->reserved2);
3325 
      break;
3326 
    }
3327 
  fprintf (file, "  reserved3: 0x%lx\n", sec->reserved3);
3328 
}
3329 
 
3330 
static void
3331 
bfd_mach_o_print_segment (bfd *abfd ATTRIBUTE_UNUSED,
3332 
                          bfd_mach_o_load_command *cmd, FILE *file)
3333 
{
3334 
  bfd_mach_o_segment_command *seg = &cmd->command.segment;
3335 
  unsigned int i;
3336 
 
3337 
  fprintf (file, " name: %s\n", *seg->segname ? seg->segname : "*none*");
3338 
  fprintf (file, "    vmaddr: ");
3339 
  fprintf_vma (file, seg->vmaddr);
3340 
  fprintf (file, "   vmsize: ");
3341 
  fprintf_vma  (file, seg->vmsize);
3342 
  fprintf (file, "\n");
3343 
  fprintf (file, "   fileoff: ");
3344 
  fprintf_vma (file, seg->fileoff);
3345 
  fprintf (file, " filesize: ");
3346 
  fprintf_vma (file, (bfd_vma)seg->filesize);
3347 
  fprintf (file, " endoff: ");
3348 
  fprintf_vma (file, (bfd_vma)(seg->fileoff + seg->filesize));
3349 
  fprintf (file, "\n");
3350 
  fprintf (file, "   nsects: %lu  ", seg->nsects);
3351 
  fprintf (file, " flags: %lx\n", seg->flags);
3352 
  for (i = 0; i < seg->nsects; i++)
3353 
    bfd_mach_o_print_section (abfd, &seg->sections[i], file);
3354 
}
3355 
 
3356 
static void
3357 
bfd_mach_o_print_dysymtab (bfd *abfd ATTRIBUTE_UNUSED,
3358 
                           bfd_mach_o_load_command *cmd, FILE *file)
3359 
{
3360 
  bfd_mach_o_dysymtab_command *dysymtab = &cmd->command.dysymtab;
3361 
  bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
3362 
  unsigned int i;
3363 
 
3364 
  fprintf (file, "              local symbols: idx: %10lu  num: %-8lu",
3365 
           dysymtab->ilocalsym, dysymtab->nlocalsym);
3366 
  fprintf (file, " (nxtidx: %lu)\n",
3367 
           dysymtab->ilocalsym + dysymtab->nlocalsym);
3368 
  fprintf (file, "           external symbols: idx: %10lu  num: %-8lu",
3369 
           dysymtab->iextdefsym, dysymtab->nextdefsym);
3370 
  fprintf (file, " (nxtidx: %lu)\n",
3371 
           dysymtab->iextdefsym + dysymtab->nextdefsym);
3372 
  fprintf (file, "          undefined symbols: idx: %10lu  num: %-8lu",
3373 
           dysymtab->iundefsym, dysymtab->nundefsym);
3374 
  fprintf (file, " (nxtidx: %lu)\n",
3375 
           dysymtab->iundefsym + dysymtab->nundefsym);
3376 
  fprintf (file, "           table of content: off: 0x%08lx  num: %-8lu",
3377 
           dysymtab->tocoff, dysymtab->ntoc);
3378 
  fprintf (file, " (endoff: 0x%08lx)\n",
3379 
           dysymtab->tocoff
3380 
           + dysymtab->ntoc * BFD_MACH_O_TABLE_OF_CONTENT_SIZE);
3381 
  fprintf (file, "               module table: off: 0x%08lx  num: %-8lu",
3382 
           dysymtab->modtaboff, dysymtab->nmodtab);
3383 
  fprintf (file, " (endoff: 0x%08lx)\n",
3384 
           dysymtab->modtaboff + dysymtab->nmodtab
3385 
           * (mach_o_wide_p (&mdata->header) ?
3386 
              BFD_MACH_O_DYLIB_MODULE_64_SIZE : BFD_MACH_O_DYLIB_MODULE_SIZE));
3387 
  fprintf (file, "   external reference table: off: 0x%08lx  num: %-8lu",
3388 
           dysymtab->extrefsymoff, dysymtab->nextrefsyms);
3389 
  fprintf (file, " (endoff: 0x%08lx)\n",
3390 
           dysymtab->extrefsymoff
3391 
           + dysymtab->nextrefsyms * BFD_MACH_O_REFERENCE_SIZE);
3392 
  fprintf (file, "      indirect symbol table: off: 0x%08lx  num: %-8lu",
3393 
           dysymtab->indirectsymoff, dysymtab->nindirectsyms);
3394 
  fprintf (file, " (endoff: 0x%08lx)\n",
3395 
           dysymtab->indirectsymoff
3396 
           + dysymtab->nindirectsyms * BFD_MACH_O_INDIRECT_SYMBOL_SIZE);
3397 
  fprintf (file, "  external relocation table: off: 0x%08lx  num: %-8lu",
3398 
           dysymtab->extreloff, dysymtab->nextrel);
3399 
  fprintf (file, " (endoff: 0x%08lx)\n",
3400 
           dysymtab->extreloff + dysymtab->nextrel * BFD_MACH_O_RELENT_SIZE);
3401 
  fprintf (file, "     local relocation table: off: 0x%08lx  num: %-8lu",
3402 
           dysymtab->locreloff, dysymtab->nlocrel);
3403 
  fprintf (file, " (endoff: 0x%08lx)\n",
3404 
           dysymtab->locreloff + dysymtab->nlocrel * BFD_MACH_O_RELENT_SIZE);
3405 
 
3406 
  if (dysymtab->ntoc > 0
3407 
      || dysymtab->nindirectsyms > 0
3408 
      || dysymtab->nextrefsyms > 0)
3409 
    {
3410 
      /* Try to read the symbols to display the toc or indirect symbols.  */
3411 
      bfd_mach_o_scan_read_symtab_symbols (abfd);
3412 
    }
3413 
  else if (dysymtab->nmodtab > 0)
3414 
    {
3415 
      /* Try to read the strtab to display modules name.  */
3416 
      bfd_mach_o_scan_read_symtab_strtab (abfd);
3417 
    }
3418 
 
3419 
  for (i = 0; i < dysymtab->nmodtab; i++)
3420 
    {
3421 
      bfd_mach_o_dylib_module *module = &dysymtab->dylib_module[i];
3422 
      fprintf (file, "  module %u:\n", i);
3423 
      fprintf (file, "   name: %lu", module->module_name_idx);
3424 
      if (mdata->symtab && mdata->symtab->strtab)
3425 
        fprintf (file, ": %s",
3426 
                 mdata->symtab->strtab + module->module_name_idx);
3427 
      fprintf (file, "\n");
3428 
      fprintf (file, "   extdefsym: idx: %8lu  num: %lu\n",
3429 
               module->iextdefsym, module->nextdefsym);
3430 
      fprintf (file, "      refsym: idx: %8lu  num: %lu\n",
3431 
               module->irefsym, module->nrefsym);
3432 
      fprintf (file, "    localsym: idx: %8lu  num: %lu\n",
3433 
               module->ilocalsym, module->nlocalsym);
3434 
      fprintf (file, "      extrel: idx: %8lu  num: %lu\n",
3435 
               module->iextrel, module->nextrel);
3436 
      fprintf (file, "        init: idx: %8u  num: %u\n",
3437 
               module->iinit, module->ninit);
3438 
      fprintf (file, "        term: idx: %8u  num: %u\n",
3439 
               module->iterm, module->nterm);
3440 
      fprintf (file, "   objc_module_info: addr: ");
3441 
      fprintf_vma (file, module->objc_module_info_addr);
3442 
      fprintf (file, "  size: %lu\n", module->objc_module_info_size);
3443 
    }
3444 
 
3445 
  if (dysymtab->ntoc > 0)
3446 
    {
3447 
      bfd_mach_o_symtab_command *symtab = mdata->symtab;
3448 
 
3449 
      fprintf (file, "  table of content: (symbol/module)\n");
3450 
      for (i = 0; i < dysymtab->ntoc; i++)
3451 
        {
3452 
          bfd_mach_o_dylib_table_of_content *toc = &dysymtab->dylib_toc[i];
3453 
 
3454 
          fprintf (file, "   %4u: ", i);
3455 
          if (symtab && symtab->symbols && toc->symbol_index < symtab->nsyms)
3456 
            {
3457 
              const char *name = symtab->symbols[toc->symbol_index].symbol.name;
3458 
              fprintf (file, "%s (%lu)", name ? name : "*invalid*",
3459 
                       toc->symbol_index);
3460 
            }
3461 
          else
3462 
            fprintf (file, "%lu", toc->symbol_index);
3463 
 
3464 
          fprintf (file, " / ");
3465 
          if (symtab && symtab->strtab
3466 
              && toc->module_index < dysymtab->nmodtab)
3467 
            {
3468 
              bfd_mach_o_dylib_module *mod;
3469 
              mod = &dysymtab->dylib_module[toc->module_index];
3470 
              fprintf (file, "%s (%lu)",
3471 
                       symtab->strtab + mod->module_name_idx,
3472 
                       toc->module_index);
3473 
            }
3474 
          else
3475 
            fprintf (file, "%lu", toc->module_index);
3476 
 
3477 
          fprintf (file, "\n");
3478 
        }
3479 
    }
3480 
 
3481 
  if (dysymtab->nindirectsyms != 0)
3482 
    {
3483 
      fprintf (file, "  indirect symbols:\n");
3484 
 
3485 
      for (i = 0; i < mdata->nsects; i++)
3486 
        {
3487 
          bfd_mach_o_section *sec = mdata->sections[i];
3488 
          unsigned int j, first, last;
3489 
          bfd_mach_o_symtab_command *symtab = mdata->symtab;
3490 
 
3491 
          switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK)
3492 
            {
3493 
            case BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS:
3494 
            case BFD_MACH_O_S_LAZY_SYMBOL_POINTERS:
3495 
            case BFD_MACH_O_S_SYMBOL_STUBS:
3496 
              first = sec->reserved1;
3497 
              last = first + bfd_mach_o_section_get_nbr_indirect (abfd, sec);
3498 
              fprintf (file, "  for section %s.%s:\n",
3499 
                       sec->segname, sec->sectname);
3500 
              for (j = first; j < last; j++)
3501 
                {
3502 
                  unsigned int isym = dysymtab->indirect_syms[j];
3503 
 
3504 
                  fprintf (file, "  %5u: 0x%08x (%u)", j, isym, isym);
3505 
                  if (isym & BFD_MACH_O_INDIRECT_SYMBOL_LOCAL)
3506 
                    fprintf (file, " LOCAL");
3507 
                  if (isym & BFD_MACH_O_INDIRECT_SYMBOL_ABS)
3508 
                    fprintf (file, " ABSOLUTE");
3509 
                  if (symtab && symtab->symbols
3510 
                      && isym < symtab->nsyms
3511 
                      && symtab->symbols[isym].symbol.name)
3512 
                    fprintf (file, " %s", symtab->symbols[isym].symbol.name);
3513 
                  fprintf (file, "\n");
3514 
                }
3515 
              break;
3516 
            default:
3517 
              break;
3518 
            }
3519 
        }
3520 
    }
3521 
  if (dysymtab->nextrefsyms > 0)
3522 
    {
3523 
      bfd_mach_o_symtab_command *symtab = mdata->symtab;
3524 
 
3525 
      fprintf (file, "  external reference table: (symbol flags)\n");
3526 
      for (i = 0; i < dysymtab->nextrefsyms; i++)
3527 
        {
3528 
          bfd_mach_o_dylib_reference *ref = &dysymtab->ext_refs[i];
3529 
 
3530 
          fprintf (file, "   %4u: %5lu 0x%02lx", i, ref->isym, ref->flags);
3531 
          if (symtab && symtab->symbols
3532 
              && ref->isym < symtab->nsyms
3533 
              && symtab->symbols[ref->isym].symbol.name)
3534 
            fprintf (file, " %s", symtab->symbols[ref->isym].symbol.name);
3535 
          fprintf (file, "\n");
3536 
        }
3537 
    }
3538 
 
3539 
}
3540 
 
3541 
bfd_boolean
3542 
bfd_mach_o_bfd_print_private_bfd_data (bfd *abfd, PTR ptr)
3543 
{
3544 
  bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
3545 
  FILE *file = (FILE *) ptr;
3546 
  unsigned int i;
3547 
 
3548 
  bfd_mach_o_print_private_header (abfd, file);
3549 
  fputc ('\n', file);
3550 
 
3551 
  for (i = 0; i < mdata->header.ncmds; i++)
3552 
    {
3553 
      bfd_mach_o_load_command *cmd = &mdata->commands[i];
3554 
 
3555 
      fprintf (file, "Load command %s:",
3556 
               bfd_mach_o_get_name (bfd_mach_o_load_command_name, cmd->type));
3557 
      switch (cmd->type)
3558 
        {
3559 
        case BFD_MACH_O_LC_SEGMENT:
3560 
        case BFD_MACH_O_LC_SEGMENT_64:
3561 
          bfd_mach_o_print_segment (abfd, cmd, file);
3562 
          break;
3563 
        case BFD_MACH_O_LC_UUID:
3564 
          {
3565 
            bfd_mach_o_uuid_command *uuid = &cmd->command.uuid;
3566 
            unsigned int i;
3567 
 
3568 
            for (i = 0; i < sizeof (uuid->uuid); i++)
3569 
              fprintf (file, " %02x", uuid->uuid[i]);
3570 
            fputc ('\n', file);
3571 
          }
3572 
          break;
3573 
        case BFD_MACH_O_LC_LOAD_DYLIB:
3574 
        case BFD_MACH_O_LC_LOAD_WEAK_DYLIB:
3575 
        case BFD_MACH_O_LC_REEXPORT_DYLIB:
3576 
        case BFD_MACH_O_LC_ID_DYLIB:
3577 
          {
3578 
            bfd_mach_o_dylib_command *dylib = &cmd->command.dylib;
3579 
            fprintf (file, " %s\n", dylib->name_str);
3580 
            fprintf (file, "            time stamp: 0x%08lx\n",
3581 
                     dylib->timestamp);
3582 
            fprintf (file, "       current version: 0x%08lx\n",
3583 
                     dylib->current_version);
3584 
            fprintf (file, "  comptibility version: 0x%08lx\n",
3585 
                     dylib->compatibility_version);
3586 
            break;
3587 
          }
3588 
        case BFD_MACH_O_LC_LOAD_DYLINKER:
3589 
        case BFD_MACH_O_LC_ID_DYLINKER:
3590 
          fprintf (file, " %s\n", cmd->command.dylinker.name_str);
3591 
          break;
3592 
        case BFD_MACH_O_LC_SYMTAB:
3593 
          {
3594 
            bfd_mach_o_symtab_command *symtab = &cmd->command.symtab;
3595 
            fprintf (file,
3596 
                     "\n"
3597 
                     "   symoff: 0x%08x    nsyms: %8u  (endoff: 0x%08x)\n",
3598 
                     symtab->symoff, symtab->nsyms,
3599 
                     symtab->symoff + symtab->nsyms
3600 
                     * (mach_o_wide_p (&mdata->header)
3601 
                        ? BFD_MACH_O_NLIST_64_SIZE : BFD_MACH_O_NLIST_SIZE));
3602 
            fprintf (file,
3603 
                     "   stroff: 0x%08x  strsize: %8u  (endoff: 0x%08x)\n",
3604 
                     symtab->stroff, symtab->strsize,
3605 
                     symtab->stroff + symtab->strsize);
3606 
            break;
3607 
          }
3608 
        case BFD_MACH_O_LC_DYSYMTAB:
3609 
          fprintf (file, "\n");
3610 
          bfd_mach_o_print_dysymtab (abfd, cmd, file);
3611 
          break;
3612 
        case BFD_MACH_O_LC_CODE_SIGNATURE:
3613 
        case BFD_MACH_O_LC_SEGMENT_SPLIT_INFO:
3614 
          {
3615 
            bfd_mach_o_linkedit_command *linkedit = &cmd->command.linkedit;
3616 
            fprintf
3617 
              (file, "\n"
3618 
               "  dataoff: 0x%08lx  datasize: 0x%08lx  (endoff: 0x%08lx)\n",
3619 
               linkedit->dataoff, linkedit->datasize,
3620 
               linkedit->dataoff + linkedit->datasize);
3621 
            break;
3622 
          }
3623 
        case BFD_MACH_O_LC_SUB_FRAMEWORK:
3624 
        case BFD_MACH_O_LC_SUB_UMBRELLA:
3625 
        case BFD_MACH_O_LC_SUB_LIBRARY:
3626 
        case BFD_MACH_O_LC_SUB_CLIENT:
3627 
          {
3628 
            bfd_mach_o_str_command *str = &cmd->command.str;
3629 
            fprintf (file, " %s\n", str->str);
3630 
            break;
3631 
          }
3632 
        case BFD_MACH_O_LC_THREAD:
3633 
        case BFD_MACH_O_LC_UNIXTHREAD:
3634 
          {
3635 
            bfd_mach_o_thread_command *thread = &cmd->command.thread;
3636 
            unsigned int j;
3637 
            bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd);
3638 
 
3639 
            fprintf (file, " nflavours: %lu\n", thread->nflavours);
3640 
            for (j = 0; j < thread->nflavours; j++)
3641 
              {
3642 
                bfd_mach_o_thread_flavour *flavour = &thread->flavours[j];
3643 
 
3644 
                fprintf (file, "  %2u: flavour: 0x%08lx  offset: 0x%08lx"
3645 
                         "  size: 0x%08lx\n",
3646 
                         j, flavour->flavour, flavour->offset,
3647 
                         flavour->size);
3648 
                if (bed->_bfd_mach_o_print_thread)
3649 
                  {
3650 
                    char *buf = bfd_malloc (flavour->size);
3651 
 
3652 
                    if (buf
3653 
                        && bfd_seek (abfd, flavour->offset, SEEK_SET) == 0
3654 
                        && (bfd_bread (buf, flavour->size, abfd)
3655 
                            == flavour->size))
3656 
                      (*bed->_bfd_mach_o_print_thread)(abfd, flavour,
3657 
                                                       file, buf);
3658 
                    free (buf);
3659 
                  }
3660 
              }
3661 
            break;
3662 
          }
3663 
        default:
3664 
          fprintf (file, "\n");
3665 
          break;
3666 
        }
3667 
      fputc ('\n', file);
3668 
    }
3669 
 
3670 
  bfd_mach_o_print_section_map (abfd, file);
3671 
 
3672 
  return TRUE;
3673 
}
3674 
 
3675 
int
3676 
bfd_mach_o_core_fetch_environment (bfd *abfd,
3677 
                                   unsigned char **rbuf,
3678 
                                   unsigned int *rlen)
3679 
{
3680 
  bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
3681 
  unsigned long stackaddr = bfd_mach_o_stack_addr (mdata->header.cputype);
3682 
  unsigned int i = 0;
3683 
 
3684 
  for (i = 0; i < mdata->header.ncmds; i++)
3685 
    {
3686 
      bfd_mach_o_load_command *cur = &mdata->commands[i];
3687 
      bfd_mach_o_segment_command *seg = NULL;
3688 
 
3689 
      if (cur->type != BFD_MACH_O_LC_SEGMENT)
3690 
        continue;
3691 
 
3692 
      seg = &cur->command.segment;
3693 
 
3694 
      if ((seg->vmaddr + seg->vmsize) == stackaddr)
3695 
        {
3696 
          unsigned long start = seg->fileoff;
3697 
          unsigned long end = seg->fileoff + seg->filesize;
3698 
          unsigned char *buf = bfd_malloc (1024);
3699 
          unsigned long size = 1024;
3700 
 
3701 
          for (;;)
3702 
            {
3703 
              bfd_size_type nread = 0;
3704 
              unsigned long offset;
3705 
              int found_nonnull = 0;
3706 
 
3707 
              if (size > (end - start))
3708 
                size = (end - start);
3709 
 
3710 
              buf = bfd_realloc_or_free (buf, size);
3711 
              if (buf == NULL)
3712 
                return -1;
3713 
 
3714 
              if (bfd_seek (abfd, end - size, SEEK_SET) != 0)
3715 
                {
3716 
                  free (buf);
3717 
                  return -1;
3718 
                }
3719 
 
3720 
              nread = bfd_bread (buf, size, abfd);
3721 
 
3722 
              if (nread != size)
3723 
                {
3724 
                  free (buf);
3725 
                  return -1;
3726 
                }
3727 
 
3728 
              for (offset = 4; offset <= size; offset += 4)
3729 
                {
3730 
                  unsigned long val;
3731 
 
3732 
                  val = *((unsigned long *) (buf + size - offset));
3733 
                  if (! found_nonnull)
3734 
                    {
3735 
                      if (val != 0)
3736 
                        found_nonnull = 1;
3737 
                    }
3738 
                  else if (val == 0x0)
3739 
                    {
3740 
                      unsigned long bottom;
3741 
                      unsigned long top;
3742 
 
3743 
                      bottom = seg->fileoff + seg->filesize - offset;
3744 
                      top = seg->fileoff + seg->filesize - 4;
3745 
                      *rbuf = bfd_malloc (top - bottom);
3746 
                      *rlen = top - bottom;
3747 
 
3748 
                      memcpy (*rbuf, buf + size - *rlen, *rlen);
3749 
                      free (buf);
3750 
                      return 0;
3751 
                    }
3752 
                }
3753 
 
3754 
              if (size == (end - start))
3755 
                break;
3756 
 
3757 
              size *= 2;
3758 
            }
3759 
 
3760 
          free (buf);
3761 
        }
3762 
    }
3763 
 
3764 
  return -1;
3765 
}
3766 
 
3767 
char *
3768 
bfd_mach_o_core_file_failing_command (bfd *abfd)
3769 
{
3770 
  unsigned char *buf = NULL;
3771 
  unsigned int len = 0;
3772 
  int ret = -1;
3773 
 
3774 
  ret = bfd_mach_o_core_fetch_environment (abfd, &buf, &len);
3775 
  if (ret < 0)
3776 
    return NULL;
3777 
 
3778 
  return (char *) buf;
3779 
}
3780 
 
3781 
int
3782 
bfd_mach_o_core_file_failing_signal (bfd *abfd ATTRIBUTE_UNUSED)
3783 
{
3784 
  return 0;
3785 
}
3786 
 
3787 
#define bfd_mach_o_bfd_reloc_type_lookup _bfd_norelocs_bfd_reloc_type_lookup
3788 
#define bfd_mach_o_bfd_reloc_name_lookup _bfd_norelocs_bfd_reloc_name_lookup
3789 
 
3790 
#define bfd_mach_o_swap_reloc_in NULL
3791 
#define bfd_mach_o_swap_reloc_out NULL
3792 
#define bfd_mach_o_print_thread NULL
3793 
 
3794 
#define TARGET_NAME             mach_o_be_vec
3795 
#define TARGET_STRING           "mach-o-be"
3796 
#define TARGET_BIG_ENDIAN       1
3797 
#define TARGET_ARCHIVE          0
3798 
#include "mach-o-target.c"
3799 
 
3800 
#undef TARGET_NAME
3801 
#undef TARGET_STRING
3802 
#undef TARGET_BIG_ENDIAN
3803 
#undef TARGET_ARCHIVE
3804 
 
3805 
#define TARGET_NAME             mach_o_le_vec
3806 
#define TARGET_STRING           "mach-o-le"
3807 
#define TARGET_BIG_ENDIAN       0
3808 
#define TARGET_ARCHIVE          0
3809 
 
3810 
#include "mach-o-target.c"
3811 
 
3812 
#undef TARGET_NAME
3813 
#undef TARGET_STRING
3814 
#undef TARGET_BIG_ENDIAN
3815 
#undef TARGET_ARCHIVE
3816 
 
3817 
#define TARGET_NAME             mach_o_fat_vec
3818 
#define TARGET_STRING           "mach-o-fat"
3819 
#define TARGET_BIG_ENDIAN       1
3820 
#define TARGET_ARCHIVE          1
3821 
 
3822 
#include "mach-o-target.c"
3823 
 
3824 
#undef TARGET_NAME
3825 
#undef TARGET_STRING
3826 
#undef TARGET_BIG_ENDIAN
3827 
#undef TARGET_ARCHIVE

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