1 /* Mach-O support for BFD.
2 Copyright (C) 1999-2014 Free Software Foundation, Inc.
4 This file is part of BFD, the Binary File Descriptor library.
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
19 MA 02110-1301, USA. */
25 #include "libiberty.h"
26 #include "aout/stab_gnu.h"
27 #include "mach-o/reloc.h"
28 #include "mach-o/external.h"
33 #define bfd_mach_o_object_p bfd_mach_o_gen_object_p
34 #define bfd_mach_o_core_p bfd_mach_o_gen_core_p
35 #define bfd_mach_o_mkobject bfd_mach_o_gen_mkobject
37 #define FILE_ALIGN(off, algn) \
38 (((off) + ((file_ptr) 1 << (algn)) - 1) & ((file_ptr) -1 << (algn)))
41 bfd_mach_o_version (bfd *abfd)
43 bfd_mach_o_data_struct *mdata = NULL;
45 BFD_ASSERT (bfd_mach_o_valid (abfd));
46 mdata = bfd_mach_o_get_data (abfd);
48 return mdata->header.version;
52 bfd_mach_o_valid (bfd *abfd)
54 if (abfd == NULL || abfd->xvec == NULL)
57 if (abfd->xvec->flavour != bfd_target_mach_o_flavour)
60 if (bfd_mach_o_get_data (abfd) == NULL)
65 static INLINE bfd_boolean
66 mach_o_wide_p (bfd_mach_o_header *header)
68 switch (header->version)
80 static INLINE bfd_boolean
81 bfd_mach_o_wide_p (bfd *abfd)
83 return mach_o_wide_p (&bfd_mach_o_get_data (abfd)->header);
86 /* Tables to translate well known Mach-O segment/section names to bfd
87 names. Use of canonical names (such as .text or .debug_frame) is required
91 static const mach_o_section_name_xlat text_section_names_xlat[] =
94 SEC_CODE | SEC_LOAD, BFD_MACH_O_S_REGULAR,
95 BFD_MACH_O_S_ATTR_PURE_INSTRUCTIONS, 0},
96 { ".const", "__const",
97 SEC_READONLY | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR,
98 BFD_MACH_O_S_ATTR_NONE, 0},
99 { ".static_const", "__static_const",
100 SEC_READONLY | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR,
101 BFD_MACH_O_S_ATTR_NONE, 0},
102 { ".cstring", "__cstring",
103 SEC_READONLY | SEC_DATA | SEC_LOAD | SEC_MERGE | SEC_STRINGS,
104 BFD_MACH_O_S_CSTRING_LITERALS,
105 BFD_MACH_O_S_ATTR_NONE, 0},
106 { ".literal4", "__literal4",
107 SEC_READONLY | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_4BYTE_LITERALS,
108 BFD_MACH_O_S_ATTR_NONE, 2},
109 { ".literal8", "__literal8",
110 SEC_READONLY | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_8BYTE_LITERALS,
111 BFD_MACH_O_S_ATTR_NONE, 3},
112 { ".literal16", "__literal16",
113 SEC_READONLY | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_16BYTE_LITERALS,
114 BFD_MACH_O_S_ATTR_NONE, 4},
115 { ".constructor", "__constructor",
116 SEC_CODE | SEC_LOAD, BFD_MACH_O_S_REGULAR,
117 BFD_MACH_O_S_ATTR_NONE, 0},
118 { ".destructor", "__destructor",
119 SEC_CODE | SEC_LOAD, BFD_MACH_O_S_REGULAR,
120 BFD_MACH_O_S_ATTR_NONE, 0},
121 { ".eh_frame", "__eh_frame",
122 SEC_READONLY | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_COALESCED,
123 BFD_MACH_O_S_ATTR_LIVE_SUPPORT
124 | BFD_MACH_O_S_ATTR_STRIP_STATIC_SYMS
125 | BFD_MACH_O_S_ATTR_NO_TOC, 2},
126 { NULL, NULL, 0, 0, 0, 0}
129 /* __DATA Segment. */
130 static const mach_o_section_name_xlat data_section_names_xlat[] =
133 SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR,
134 BFD_MACH_O_S_ATTR_NONE, 0},
136 SEC_NO_FLAGS, BFD_MACH_O_S_ZEROFILL,
137 BFD_MACH_O_S_ATTR_NONE, 0},
138 { ".const_data", "__const",
139 SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR,
140 BFD_MACH_O_S_ATTR_NONE, 0},
141 { ".static_data", "__static_data",
142 SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR,
143 BFD_MACH_O_S_ATTR_NONE, 0},
144 { ".mod_init_func", "__mod_init_func",
145 SEC_DATA | SEC_LOAD, BFD_MACH_O_S_MOD_INIT_FUNC_POINTERS,
146 BFD_MACH_O_S_ATTR_NONE, 2},
147 { ".mod_term_func", "__mod_term_func",
148 SEC_DATA | SEC_LOAD, BFD_MACH_O_S_MOD_FINI_FUNC_POINTERS,
149 BFD_MACH_O_S_ATTR_NONE, 2},
151 SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR,
152 BFD_MACH_O_S_ATTR_NONE, 0},
153 { ".cfstring", "__cfstring",
154 SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR,
155 BFD_MACH_O_S_ATTR_NONE, 2},
156 { NULL, NULL, 0, 0, 0, 0}
159 /* __DWARF Segment. */
160 static const mach_o_section_name_xlat dwarf_section_names_xlat[] =
162 { ".debug_frame", "__debug_frame",
163 SEC_DEBUGGING, BFD_MACH_O_S_REGULAR,
164 BFD_MACH_O_S_ATTR_DEBUG, 0},
165 { ".debug_info", "__debug_info",
166 SEC_DEBUGGING, BFD_MACH_O_S_REGULAR,
167 BFD_MACH_O_S_ATTR_DEBUG, 0},
168 { ".debug_abbrev", "__debug_abbrev",
169 SEC_DEBUGGING, BFD_MACH_O_S_REGULAR,
170 BFD_MACH_O_S_ATTR_DEBUG, 0},
171 { ".debug_aranges", "__debug_aranges",
172 SEC_DEBUGGING, BFD_MACH_O_S_REGULAR,
173 BFD_MACH_O_S_ATTR_DEBUG, 0},
174 { ".debug_macinfo", "__debug_macinfo",
175 SEC_DEBUGGING, BFD_MACH_O_S_REGULAR,
176 BFD_MACH_O_S_ATTR_DEBUG, 0},
177 { ".debug_line", "__debug_line",
178 SEC_DEBUGGING, BFD_MACH_O_S_REGULAR,
179 BFD_MACH_O_S_ATTR_DEBUG, 0},
180 { ".debug_loc", "__debug_loc",
181 SEC_DEBUGGING, BFD_MACH_O_S_REGULAR,
182 BFD_MACH_O_S_ATTR_DEBUG, 0},
183 { ".debug_pubnames", "__debug_pubnames",
184 SEC_DEBUGGING, BFD_MACH_O_S_REGULAR,
185 BFD_MACH_O_S_ATTR_DEBUG, 0},
186 { ".debug_pubtypes", "__debug_pubtypes",
187 SEC_DEBUGGING, BFD_MACH_O_S_REGULAR,
188 BFD_MACH_O_S_ATTR_DEBUG, 0},
189 { ".debug_str", "__debug_str",
190 SEC_DEBUGGING, BFD_MACH_O_S_REGULAR,
191 BFD_MACH_O_S_ATTR_DEBUG, 0},
192 { ".debug_ranges", "__debug_ranges",
193 SEC_DEBUGGING, BFD_MACH_O_S_REGULAR,
194 BFD_MACH_O_S_ATTR_DEBUG, 0},
195 { ".debug_macro", "__debug_macro",
196 SEC_DEBUGGING, BFD_MACH_O_S_REGULAR,
197 BFD_MACH_O_S_ATTR_DEBUG, 0},
198 { ".debug_gdb_scripts", "__debug_gdb_scri",
199 SEC_DEBUGGING, BFD_MACH_O_S_REGULAR,
200 BFD_MACH_O_S_ATTR_DEBUG, 0},
201 { NULL, NULL, 0, 0, 0, 0}
204 /* __OBJC Segment. */
205 static const mach_o_section_name_xlat objc_section_names_xlat[] =
207 { ".objc_class", "__class",
208 SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR,
209 BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0},
210 { ".objc_meta_class", "__meta_class",
211 SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR,
212 BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0},
213 { ".objc_cat_cls_meth", "__cat_cls_meth",
214 SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR,
215 BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0},
216 { ".objc_cat_inst_meth", "__cat_inst_meth",
217 SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR,
218 BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0},
219 { ".objc_protocol", "__protocol",
220 SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR,
221 BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0},
222 { ".objc_string_object", "__string_object",
223 SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR,
224 BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0},
225 { ".objc_cls_meth", "__cls_meth",
226 SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR,
227 BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0},
228 { ".objc_inst_meth", "__inst_meth",
229 SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR,
230 BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0},
231 { ".objc_cls_refs", "__cls_refs",
232 SEC_DATA | SEC_LOAD, BFD_MACH_O_S_LITERAL_POINTERS,
233 BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0},
234 { ".objc_message_refs", "__message_refs",
235 SEC_DATA | SEC_LOAD, BFD_MACH_O_S_LITERAL_POINTERS,
236 BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0},
237 { ".objc_symbols", "__symbols",
238 SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR,
239 BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0},
240 { ".objc_category", "__category",
241 SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR,
242 BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0},
243 { ".objc_class_vars", "__class_vars",
244 SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR,
245 BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0},
246 { ".objc_instance_vars", "__instance_vars",
247 SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR,
248 BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0},
249 { ".objc_module_info", "__module_info",
250 SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR,
251 BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0},
252 { ".objc_selector_strs", "__selector_strs",
253 SEC_DATA | SEC_LOAD, BFD_MACH_O_S_CSTRING_LITERALS,
254 BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0},
255 { ".objc_image_info", "__image_info",
256 SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR,
257 BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0},
258 { ".objc_selector_fixup", "__sel_fixup",
259 SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR,
260 BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0},
262 { ".objc1_class_ext", "__class_ext",
263 SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR,
264 BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0},
265 { ".objc1_property_list", "__property",
266 SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR,
267 BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0},
268 { ".objc1_protocol_ext", "__protocol_ext",
269 SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR,
270 BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0},
271 { NULL, NULL, 0, 0, 0, 0}
274 static const mach_o_segment_name_xlat segsec_names_xlat[] =
276 { "__TEXT", text_section_names_xlat },
277 { "__DATA", data_section_names_xlat },
278 { "__DWARF", dwarf_section_names_xlat },
279 { "__OBJC", objc_section_names_xlat },
283 static const char dsym_subdir[] = ".dSYM/Contents/Resources/DWARF";
285 /* For both cases bfd-name => mach-o name and vice versa, the specific target
286 is checked before the generic. This allows a target (e.g. ppc for cstring)
287 to override the generic definition with a more specific one. */
289 /* Fetch the translation from a Mach-O section designation (segment, section)
290 as a bfd short name, if one exists. Otherwise return NULL.
292 Allow the segment and section names to be unterminated 16 byte arrays. */
294 const mach_o_section_name_xlat *
295 bfd_mach_o_section_data_for_mach_sect (bfd *abfd, const char *segname,
296 const char *sectname)
298 const struct mach_o_segment_name_xlat *seg;
299 const mach_o_section_name_xlat *sec;
300 bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd);
302 /* First try any target-specific translations defined... */
303 if (bed->segsec_names_xlat)
304 for (seg = bed->segsec_names_xlat; seg->segname; seg++)
305 if (strncmp (seg->segname, segname, BFD_MACH_O_SEGNAME_SIZE) == 0)
306 for (sec = seg->sections; sec->mach_o_name; sec++)
307 if (strncmp (sec->mach_o_name, sectname,
308 BFD_MACH_O_SECTNAME_SIZE) == 0)
311 /* ... and then the Mach-O generic ones. */
312 for (seg = segsec_names_xlat; seg->segname; seg++)
313 if (strncmp (seg->segname, segname, BFD_MACH_O_SEGNAME_SIZE) == 0)
314 for (sec = seg->sections; sec->mach_o_name; sec++)
315 if (strncmp (sec->mach_o_name, sectname,
316 BFD_MACH_O_SECTNAME_SIZE) == 0)
322 /* If the bfd_name for this section is a 'canonical' form for which we
323 know the Mach-O data, return the segment name and the data for the
324 Mach-O equivalent. Otherwise return NULL. */
326 const mach_o_section_name_xlat *
327 bfd_mach_o_section_data_for_bfd_name (bfd *abfd, const char *bfd_name,
328 const char **segname)
330 const struct mach_o_segment_name_xlat *seg;
331 const mach_o_section_name_xlat *sec;
332 bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd);
335 if (bfd_name[0] != '.')
338 /* First try any target-specific translations defined... */
339 if (bed->segsec_names_xlat)
340 for (seg = bed->segsec_names_xlat; seg->segname; seg++)
341 for (sec = seg->sections; sec->bfd_name; sec++)
342 if (strcmp (bfd_name, sec->bfd_name) == 0)
344 *segname = seg->segname;
348 /* ... and then the Mach-O generic ones. */
349 for (seg = segsec_names_xlat; seg->segname; seg++)
350 for (sec = seg->sections; sec->bfd_name; sec++)
351 if (strcmp (bfd_name, sec->bfd_name) == 0)
353 *segname = seg->segname;
360 /* Convert Mach-O section name to BFD.
362 Try to use standard/canonical names, for which we have tables including
363 default flag settings - which are returned. Otherwise forge a new name
364 in the form "<segmentname>.<sectionname>" this will be prefixed with
365 LC_SEGMENT. if the segment name does not begin with an underscore.
367 SEGNAME and SECTNAME are 16 byte arrays (they do not need to be NUL-
368 terminated if the name length is exactly 16 bytes - but must be if the name
369 length is less than 16 characters). */
372 bfd_mach_o_convert_section_name_to_bfd (bfd *abfd, const char *segname,
373 const char *secname, const char **name,
376 const mach_o_section_name_xlat *xlat;
379 const char *pfx = "";
382 *flags = SEC_NO_FLAGS;
384 /* First search for a canonical name...
385 xlat will be non-null if there is an entry for segname, secname. */
386 xlat = bfd_mach_o_section_data_for_mach_sect (abfd, segname, secname);
389 len = strlen (xlat->bfd_name);
390 res = bfd_alloc (abfd, len+1);
393 memcpy (res, xlat->bfd_name, len+1);
395 *flags = xlat->bfd_flags;
399 /* ... else we make up a bfd name from the segment concatenated with the
402 len = 16 + 1 + 16 + 1;
404 /* Put "LC_SEGMENT." prefix if the segment name is weird (ie doesn't start
405 with an underscore. */
406 if (segname[0] != '_')
408 static const char seg_pfx[] = "LC_SEGMENT.";
411 len += sizeof (seg_pfx) - 1;
414 res = bfd_alloc (abfd, len);
417 snprintf (res, len, "%s%.16s.%.16s", pfx, segname, secname);
421 /* Convert a bfd section name to a Mach-O segment + section name.
423 If the name is a canonical one for which we have a Darwin match
424 return the translation table - which contains defaults for flags,
425 type, attribute and default alignment data.
427 Otherwise, expand the bfd_name (assumed to be in the form
428 "[LC_SEGMENT.]<segmentname>.<sectionname>") and return NULL. */
430 static const mach_o_section_name_xlat *
431 bfd_mach_o_convert_section_name_to_mach_o (bfd *abfd ATTRIBUTE_UNUSED,
433 bfd_mach_o_section *section)
435 const mach_o_section_name_xlat *xlat;
436 const char *name = bfd_get_section_name (abfd, sect);
443 memset (section->segname, 0, BFD_MACH_O_SEGNAME_SIZE + 1);
444 memset (section->sectname, 0, BFD_MACH_O_SECTNAME_SIZE + 1);
446 /* See if is a canonical name ... */
447 xlat = bfd_mach_o_section_data_for_bfd_name (abfd, name, &segname);
450 strcpy (section->segname, segname);
451 strcpy (section->sectname, xlat->mach_o_name);
455 /* .. else we convert our constructed one back to Mach-O.
456 Strip LC_SEGMENT. prefix, if present. */
457 if (strncmp (name, "LC_SEGMENT.", 11) == 0)
461 dot = strchr (name, '.');
464 /* Try to split name into segment and section names. */
465 if (dot && dot != name)
468 seclen = len - (dot + 1 - name);
470 if (seglen < 16 && seclen < 16)
472 memcpy (section->segname, name, seglen);
473 section->segname[seglen] = 0;
474 memcpy (section->sectname, dot + 1, seclen);
475 section->sectname[seclen] = 0;
480 /* The segment and section names are both missing - don't make them
482 if (dot && dot == name)
485 /* Just duplicate the name into both segment and section. */
488 memcpy (section->segname, name, len);
489 section->segname[len] = 0;
490 memcpy (section->sectname, name, len);
491 section->sectname[len] = 0;
495 /* Return the size of an entry for section SEC.
496 Must be called only for symbol pointer section and symbol stubs
500 bfd_mach_o_section_get_entry_size (bfd *abfd, bfd_mach_o_section *sec)
502 switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK)
504 case BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS:
505 case BFD_MACH_O_S_LAZY_SYMBOL_POINTERS:
506 return bfd_mach_o_wide_p (abfd) ? 8 : 4;
507 case BFD_MACH_O_S_SYMBOL_STUBS:
508 return sec->reserved2;
515 /* Return the number of indirect symbols for a section.
516 Must be called only for symbol pointer section and symbol stubs
520 bfd_mach_o_section_get_nbr_indirect (bfd *abfd, bfd_mach_o_section *sec)
524 elsz = bfd_mach_o_section_get_entry_size (abfd, sec);
528 return sec->size / elsz;
532 /* Copy any private info we understand from the input symbol
533 to the output symbol. */
536 bfd_mach_o_bfd_copy_private_symbol_data (bfd *ibfd ATTRIBUTE_UNUSED,
538 bfd *obfd ATTRIBUTE_UNUSED,
541 bfd_mach_o_asymbol *os, *is;
542 os = (bfd_mach_o_asymbol *)osymbol;
543 is = (bfd_mach_o_asymbol *)isymbol;
544 os->n_type = is->n_type;
545 os->n_sect = is->n_sect;
546 os->n_desc = is->n_desc;
547 os->symbol.udata.i = is->symbol.udata.i;
551 /* Copy any private info we understand from the input section
552 to the output section. */
555 bfd_mach_o_bfd_copy_private_section_data (bfd *ibfd ATTRIBUTE_UNUSED,
557 bfd *obfd ATTRIBUTE_UNUSED,
560 if (osection->used_by_bfd == NULL)
561 osection->used_by_bfd = isection->used_by_bfd;
563 if (isection->used_by_bfd != NULL)
564 memcpy (osection->used_by_bfd, isection->used_by_bfd,
565 sizeof (bfd_mach_o_section));
567 if (osection->used_by_bfd != NULL)
568 ((bfd_mach_o_section *)osection->used_by_bfd)->bfdsection = osection;
573 /* Copy any private info we understand from the input bfd
574 to the output bfd. */
577 bfd_mach_o_bfd_copy_private_bfd_data (bfd *ibfd, bfd *obfd)
579 if (bfd_get_flavour (ibfd) != bfd_target_mach_o_flavour
580 || bfd_get_flavour (obfd) != bfd_target_mach_o_flavour)
583 BFD_ASSERT (bfd_mach_o_valid (ibfd));
584 BFD_ASSERT (bfd_mach_o_valid (obfd));
586 /* FIXME: copy commands. */
591 /* This allows us to set up to 32 bits of flags (unless we invent some
592 fiendish scheme to subdivide). For now, we'll just set the file flags
593 without error checking - just overwrite. */
596 bfd_mach_o_bfd_set_private_flags (bfd *abfd, flagword flags)
598 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
603 mdata->header.flags = flags;
607 /* Count the total number of symbols. */
610 bfd_mach_o_count_symbols (bfd *abfd)
612 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
614 if (mdata->symtab == NULL)
616 return mdata->symtab->nsyms;
620 bfd_mach_o_get_symtab_upper_bound (bfd *abfd)
622 long nsyms = bfd_mach_o_count_symbols (abfd);
624 return ((nsyms + 1) * sizeof (asymbol *));
628 bfd_mach_o_canonicalize_symtab (bfd *abfd, asymbol **alocation)
630 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
631 long nsyms = bfd_mach_o_count_symbols (abfd);
632 bfd_mach_o_symtab_command *sym = mdata->symtab;
640 /* Do not try to read symbols if there are none. */
645 if (!bfd_mach_o_read_symtab_symbols (abfd))
647 (*_bfd_error_handler)
648 (_("bfd_mach_o_canonicalize_symtab: unable to load symbols"));
652 BFD_ASSERT (sym->symbols != NULL);
654 for (j = 0; j < sym->nsyms; j++)
655 alocation[j] = &sym->symbols[j].symbol;
662 /* Create synthetic symbols for indirect symbols. */
665 bfd_mach_o_get_synthetic_symtab (bfd *abfd,
666 long symcount ATTRIBUTE_UNUSED,
667 asymbol **syms ATTRIBUTE_UNUSED,
668 long dynsymcount ATTRIBUTE_UNUSED,
669 asymbol **dynsyms ATTRIBUTE_UNUSED,
672 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
673 bfd_mach_o_dysymtab_command *dysymtab = mdata->dysymtab;
674 bfd_mach_o_symtab_command *symtab = mdata->symtab;
676 unsigned long count, i, j, n;
683 /* Stop now if no symbols or no indirect symbols. */
684 if (dysymtab == NULL || symtab == NULL || symtab->symbols == NULL)
687 if (dysymtab->nindirectsyms == 0)
690 /* We need to allocate a bfd symbol for every indirect symbol and to
691 allocate the memory for its name. */
692 count = dysymtab->nindirectsyms;
693 size = count * sizeof (asymbol) + 1;
695 for (j = 0; j < count; j++)
697 unsigned int isym = dysymtab->indirect_syms[j];
699 /* Some indirect symbols are anonymous. */
700 if (isym < symtab->nsyms && symtab->symbols[isym].symbol.name)
701 size += strlen (symtab->symbols[isym].symbol.name) + sizeof ("$stub");
704 s = *ret = (asymbol *) bfd_malloc (size);
707 names = (char *) (s + count);
712 for (i = 0; i < mdata->nsects; i++)
714 bfd_mach_o_section *sec = mdata->sections[i];
715 unsigned int first, last;
719 switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK)
721 case BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS:
722 case BFD_MACH_O_S_LAZY_SYMBOL_POINTERS:
723 case BFD_MACH_O_S_SYMBOL_STUBS:
724 /* Only these sections have indirect symbols. */
725 first = sec->reserved1;
726 last = first + bfd_mach_o_section_get_nbr_indirect (abfd, sec);
728 entry_size = bfd_mach_o_section_get_entry_size (abfd, sec);
729 for (j = first; j < last; j++)
731 unsigned int isym = dysymtab->indirect_syms[j];
733 s->flags = BSF_GLOBAL | BSF_SYNTHETIC;
734 s->section = sec->bfdsection;
735 s->value = addr - sec->addr;
738 if (isym < symtab->nsyms
739 && symtab->symbols[isym].symbol.name)
741 const char *sym = symtab->symbols[isym].symbol.name;
746 memcpy (names, sym, len);
748 memcpy (names, "$stub", sizeof ("$stub"));
749 names += sizeof ("$stub");
768 bfd_mach_o_get_symbol_info (bfd *abfd ATTRIBUTE_UNUSED,
772 bfd_symbol_info (symbol, ret);
776 bfd_mach_o_print_symbol (bfd *abfd,
779 bfd_print_symbol_type how)
781 FILE *file = (FILE *) afile;
783 bfd_mach_o_asymbol *asym = (bfd_mach_o_asymbol *)symbol;
787 case bfd_print_symbol_name:
788 fprintf (file, "%s", symbol->name);
791 bfd_print_symbol_vandf (abfd, (void *) file, symbol);
792 if (asym->n_type & BFD_MACH_O_N_STAB)
793 name = bfd_get_stab_name (asym->n_type);
795 switch (asym->n_type & BFD_MACH_O_N_TYPE)
797 case BFD_MACH_O_N_UNDF:
798 if (symbol->value == 0)
803 case BFD_MACH_O_N_ABS:
806 case BFD_MACH_O_N_INDR:
809 case BFD_MACH_O_N_PBUD:
812 case BFD_MACH_O_N_SECT:
821 fprintf (file, " %02x %-6s %02x %04x",
822 asym->n_type, name, asym->n_sect, asym->n_desc);
823 if ((asym->n_type & BFD_MACH_O_N_STAB) == 0
824 && (asym->n_type & BFD_MACH_O_N_TYPE) == BFD_MACH_O_N_SECT)
825 fprintf (file, " [%s]", symbol->section->name);
826 fprintf (file, " %s", symbol->name);
831 bfd_mach_o_convert_architecture (bfd_mach_o_cpu_type mtype,
832 bfd_mach_o_cpu_subtype msubtype,
833 enum bfd_architecture *type,
834 unsigned long *subtype)
836 *subtype = bfd_arch_unknown;
840 case BFD_MACH_O_CPU_TYPE_VAX:
841 *type = bfd_arch_vax;
843 case BFD_MACH_O_CPU_TYPE_MC680x0:
844 *type = bfd_arch_m68k;
846 case BFD_MACH_O_CPU_TYPE_I386:
847 *type = bfd_arch_i386;
848 *subtype = bfd_mach_i386_i386;
850 case BFD_MACH_O_CPU_TYPE_X86_64:
851 *type = bfd_arch_i386;
852 *subtype = bfd_mach_x86_64;
854 case BFD_MACH_O_CPU_TYPE_MIPS:
855 *type = bfd_arch_mips;
857 case BFD_MACH_O_CPU_TYPE_MC98000:
858 *type = bfd_arch_m98k;
860 case BFD_MACH_O_CPU_TYPE_HPPA:
861 *type = bfd_arch_hppa;
863 case BFD_MACH_O_CPU_TYPE_ARM:
864 *type = bfd_arch_arm;
867 case BFD_MACH_O_CPU_SUBTYPE_ARM_V4T:
868 *subtype = bfd_mach_arm_4T;
870 case BFD_MACH_O_CPU_SUBTYPE_ARM_V6:
871 *subtype = bfd_mach_arm_4T; /* Best fit ? */
873 case BFD_MACH_O_CPU_SUBTYPE_ARM_V5TEJ:
874 *subtype = bfd_mach_arm_5TE;
876 case BFD_MACH_O_CPU_SUBTYPE_ARM_XSCALE:
877 *subtype = bfd_mach_arm_XScale;
879 case BFD_MACH_O_CPU_SUBTYPE_ARM_V7:
880 *subtype = bfd_mach_arm_5TE; /* Best fit ? */
882 case BFD_MACH_O_CPU_SUBTYPE_ARM_ALL:
887 case BFD_MACH_O_CPU_TYPE_MC88000:
888 *type = bfd_arch_m88k;
890 case BFD_MACH_O_CPU_TYPE_SPARC:
891 *type = bfd_arch_sparc;
892 *subtype = bfd_mach_sparc;
894 case BFD_MACH_O_CPU_TYPE_I860:
895 *type = bfd_arch_i860;
897 case BFD_MACH_O_CPU_TYPE_ALPHA:
898 *type = bfd_arch_alpha;
900 case BFD_MACH_O_CPU_TYPE_POWERPC:
901 *type = bfd_arch_powerpc;
902 *subtype = bfd_mach_ppc;
904 case BFD_MACH_O_CPU_TYPE_POWERPC_64:
905 *type = bfd_arch_powerpc;
906 *subtype = bfd_mach_ppc64;
908 case BFD_MACH_O_CPU_TYPE_ARM64:
909 *type = bfd_arch_aarch64;
910 *subtype = bfd_mach_aarch64;
913 *type = bfd_arch_unknown;
919 bfd_mach_o_write_header (bfd *abfd, bfd_mach_o_header *header)
921 struct mach_o_header_external raw;
924 size = mach_o_wide_p (header) ?
925 BFD_MACH_O_HEADER_64_SIZE : BFD_MACH_O_HEADER_SIZE;
927 bfd_h_put_32 (abfd, header->magic, raw.magic);
928 bfd_h_put_32 (abfd, header->cputype, raw.cputype);
929 bfd_h_put_32 (abfd, header->cpusubtype, raw.cpusubtype);
930 bfd_h_put_32 (abfd, header->filetype, raw.filetype);
931 bfd_h_put_32 (abfd, header->ncmds, raw.ncmds);
932 bfd_h_put_32 (abfd, header->sizeofcmds, raw.sizeofcmds);
933 bfd_h_put_32 (abfd, header->flags, raw.flags);
935 if (mach_o_wide_p (header))
936 bfd_h_put_32 (abfd, header->reserved, raw.reserved);
938 if (bfd_seek (abfd, 0, SEEK_SET) != 0
939 || bfd_bwrite (&raw, size, abfd) != size)
946 bfd_mach_o_write_thread (bfd *abfd, bfd_mach_o_load_command *command)
948 bfd_mach_o_thread_command *cmd = &command->command.thread;
950 struct mach_o_thread_command_external raw;
953 BFD_ASSERT ((command->type == BFD_MACH_O_LC_THREAD)
954 || (command->type == BFD_MACH_O_LC_UNIXTHREAD));
957 for (i = 0; i < cmd->nflavours; i++)
959 BFD_ASSERT ((cmd->flavours[i].size % 4) == 0);
960 BFD_ASSERT (cmd->flavours[i].offset ==
961 (command->offset + offset + BFD_MACH_O_LC_SIZE));
963 bfd_h_put_32 (abfd, cmd->flavours[i].flavour, raw.flavour);
964 bfd_h_put_32 (abfd, (cmd->flavours[i].size / 4), raw.count);
966 if (bfd_seek (abfd, command->offset + offset, SEEK_SET) != 0
967 || bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw))
970 offset += cmd->flavours[i].size + sizeof (raw);
977 bfd_mach_o_get_reloc_upper_bound (bfd *abfd ATTRIBUTE_UNUSED,
980 return (asect->reloc_count + 1) * sizeof (arelent *);
983 /* In addition to the need to byte-swap the symbol number, the bit positions
984 of the fields in the relocation information vary per target endian-ness. */
987 bfd_mach_o_swap_in_non_scattered_reloc (bfd *abfd, bfd_mach_o_reloc_info *rel,
988 unsigned char *fields)
990 unsigned char info = fields[3];
992 if (bfd_big_endian (abfd))
994 rel->r_value = (fields[0] << 16) | (fields[1] << 8) | fields[2];
995 rel->r_type = (info >> BFD_MACH_O_BE_TYPE_SHIFT) & BFD_MACH_O_TYPE_MASK;
996 rel->r_pcrel = (info & BFD_MACH_O_BE_PCREL) ? 1 : 0;
997 rel->r_length = (info >> BFD_MACH_O_BE_LENGTH_SHIFT)
998 & BFD_MACH_O_LENGTH_MASK;
999 rel->r_extern = (info & BFD_MACH_O_BE_EXTERN) ? 1 : 0;
1003 rel->r_value = (fields[2] << 16) | (fields[1] << 8) | fields[0];
1004 rel->r_type = (info >> BFD_MACH_O_LE_TYPE_SHIFT) & BFD_MACH_O_TYPE_MASK;
1005 rel->r_pcrel = (info & BFD_MACH_O_LE_PCREL) ? 1 : 0;
1006 rel->r_length = (info >> BFD_MACH_O_LE_LENGTH_SHIFT)
1007 & BFD_MACH_O_LENGTH_MASK;
1008 rel->r_extern = (info & BFD_MACH_O_LE_EXTERN) ? 1 : 0;
1013 bfd_mach_o_canonicalize_one_reloc (bfd *abfd,
1014 struct mach_o_reloc_info_external *raw,
1015 arelent *res, asymbol **syms)
1017 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
1018 bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd);
1019 bfd_mach_o_reloc_info reloc;
1023 addr = bfd_get_32 (abfd, raw->r_address);
1024 res->sym_ptr_ptr = NULL;
1027 if (addr & BFD_MACH_O_SR_SCATTERED)
1030 bfd_vma symnum = bfd_get_32 (abfd, raw->r_symbolnum);
1032 /* Scattered relocation, can't be extern. */
1033 reloc.r_scattered = 1;
1036 /* Extract section and offset from r_value (symnum). */
1037 reloc.r_value = symnum;
1038 /* FIXME: This breaks when a symbol in a reloc exactly follows the
1039 end of the data for the section (e.g. in a calculation of section
1040 data length). At present, the symbol will end up associated with
1041 the following section or, if it falls within alignment padding, as
1042 null - which will assert later. */
1043 for (j = 0; j < mdata->nsects; j++)
1045 bfd_mach_o_section *sect = mdata->sections[j];
1046 if (symnum >= sect->addr && symnum < sect->addr + sect->size)
1048 res->sym_ptr_ptr = sect->bfdsection->symbol_ptr_ptr;
1049 res->addend = symnum - sect->addr;
1054 /* Extract the info and address fields from r_address. */
1055 reloc.r_type = BFD_MACH_O_GET_SR_TYPE (addr);
1056 reloc.r_length = BFD_MACH_O_GET_SR_LENGTH (addr);
1057 reloc.r_pcrel = addr & BFD_MACH_O_SR_PCREL;
1058 reloc.r_address = BFD_MACH_O_GET_SR_TYPE (addr);
1059 res->address = BFD_MACH_O_GET_SR_ADDRESS (addr);
1065 /* Non-scattered relocation. */
1066 reloc.r_scattered = 0;
1068 /* The value and info fields have to be extracted dependent on target
1070 bfd_mach_o_swap_in_non_scattered_reloc (abfd, &reloc, raw->r_symbolnum);
1071 num = reloc.r_value;
1075 /* An external symbol number. */
1078 else if (num == 0x00ffffff)
1080 /* The 'symnum' in a non-scattered PAIR is 0x00ffffff. But as this
1081 is generic code, we don't know wether this is really a PAIR.
1082 This value is almost certainly not a valid section number, hence
1083 this specific case to avoid an assertion failure.
1084 Target specific swap_reloc_in routine should adjust that. */
1085 sym = bfd_abs_section_ptr->symbol_ptr_ptr;
1089 /* A section number. */
1090 BFD_ASSERT (num != 0);
1091 BFD_ASSERT (num <= mdata->nsects);
1093 sym = mdata->sections[num - 1]->bfdsection->symbol_ptr_ptr;
1094 /* For a symbol defined in section S, the addend (stored in the
1095 binary) contains the address of the section. To comply with
1096 bfd convention, subtract the section address.
1097 Use the address from the header, so that the user can modify
1098 the vma of the section. */
1099 res->addend = -mdata->sections[num - 1]->addr;
1101 /* Note: Pairs for PPC LO/HI/HA are not scattered, but contain the offset
1102 in the lower 16bits of the address value. So we have to find the
1103 'symbol' from the preceding reloc. We do this even though the
1104 section symbol is probably not needed here, because NULL symbol
1105 values cause an assert in generic BFD code. This must be done in
1106 the PPC swap_reloc_in routine. */
1107 res->sym_ptr_ptr = sym;
1109 /* The 'address' is just r_address.
1110 ??? maybe this should be masked with 0xffffff for safety. */
1111 res->address = addr;
1112 reloc.r_address = addr;
1115 /* We have set up a reloc with all the information present, so the swapper
1116 can modify address, value and addend fields, if necessary, to convey
1117 information in the generic BFD reloc that is mach-o specific. */
1119 if (!(*bed->_bfd_mach_o_swap_reloc_in)(res, &reloc))
1125 bfd_mach_o_canonicalize_relocs (bfd *abfd, unsigned long filepos,
1126 unsigned long count,
1127 arelent *res, asymbol **syms)
1130 struct mach_o_reloc_info_external *native_relocs;
1131 bfd_size_type native_size;
1133 /* Allocate and read relocs. */
1134 native_size = count * BFD_MACH_O_RELENT_SIZE;
1136 (struct mach_o_reloc_info_external *) bfd_malloc (native_size);
1137 if (native_relocs == NULL)
1140 if (bfd_seek (abfd, filepos, SEEK_SET) != 0
1141 || bfd_bread (native_relocs, native_size, abfd) != native_size)
1144 for (i = 0; i < count; i++)
1146 if (bfd_mach_o_canonicalize_one_reloc (abfd, &native_relocs[i],
1150 free (native_relocs);
1153 free (native_relocs);
1158 bfd_mach_o_canonicalize_reloc (bfd *abfd, asection *asect,
1159 arelent **rels, asymbol **syms)
1161 bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd);
1165 if (asect->reloc_count == 0)
1168 /* No need to go further if we don't know how to read relocs. */
1169 if (bed->_bfd_mach_o_swap_reloc_in == NULL)
1172 if (asect->relocation == NULL)
1174 res = bfd_malloc (asect->reloc_count * sizeof (arelent));
1178 if (bfd_mach_o_canonicalize_relocs (abfd, asect->rel_filepos,
1179 asect->reloc_count, res, syms) < 0)
1184 asect->relocation = res;
1187 res = asect->relocation;
1188 for (i = 0; i < asect->reloc_count; i++)
1196 bfd_mach_o_get_dynamic_reloc_upper_bound (bfd *abfd)
1198 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
1200 if (mdata->dysymtab == NULL)
1202 return (mdata->dysymtab->nextrel + mdata->dysymtab->nlocrel + 1)
1203 * sizeof (arelent *);
1207 bfd_mach_o_canonicalize_dynamic_reloc (bfd *abfd, arelent **rels,
1208 struct bfd_symbol **syms)
1210 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
1211 bfd_mach_o_dysymtab_command *dysymtab = mdata->dysymtab;
1212 bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd);
1216 if (dysymtab == NULL)
1218 if (dysymtab->nextrel == 0 && dysymtab->nlocrel == 0)
1221 /* No need to go further if we don't know how to read relocs. */
1222 if (bed->_bfd_mach_o_swap_reloc_in == NULL)
1225 if (mdata->dyn_reloc_cache == NULL)
1227 res = bfd_malloc ((dysymtab->nextrel + dysymtab->nlocrel)
1228 * sizeof (arelent));
1232 if (bfd_mach_o_canonicalize_relocs (abfd, dysymtab->extreloff,
1233 dysymtab->nextrel, res, syms) < 0)
1239 if (bfd_mach_o_canonicalize_relocs (abfd, dysymtab->locreloff,
1241 res + dysymtab->nextrel, syms) < 0)
1247 mdata->dyn_reloc_cache = res;
1250 res = mdata->dyn_reloc_cache;
1251 for (i = 0; i < dysymtab->nextrel + dysymtab->nlocrel; i++)
1257 /* In addition to the need to byte-swap the symbol number, the bit positions
1258 of the fields in the relocation information vary per target endian-ness. */
1261 bfd_mach_o_swap_out_non_scattered_reloc (bfd *abfd, unsigned char *fields,
1262 bfd_mach_o_reloc_info *rel)
1264 unsigned char info = 0;
1266 BFD_ASSERT (rel->r_type <= 15);
1267 BFD_ASSERT (rel->r_length <= 3);
1269 if (bfd_big_endian (abfd))
1271 fields[0] = (rel->r_value >> 16) & 0xff;
1272 fields[1] = (rel->r_value >> 8) & 0xff;
1273 fields[2] = rel->r_value & 0xff;
1274 info |= rel->r_type << BFD_MACH_O_BE_TYPE_SHIFT;
1275 info |= rel->r_pcrel ? BFD_MACH_O_BE_PCREL : 0;
1276 info |= rel->r_length << BFD_MACH_O_BE_LENGTH_SHIFT;
1277 info |= rel->r_extern ? BFD_MACH_O_BE_EXTERN : 0;
1281 fields[2] = (rel->r_value >> 16) & 0xff;
1282 fields[1] = (rel->r_value >> 8) & 0xff;
1283 fields[0] = rel->r_value & 0xff;
1284 info |= rel->r_type << BFD_MACH_O_LE_TYPE_SHIFT;
1285 info |= rel->r_pcrel ? BFD_MACH_O_LE_PCREL : 0;
1286 info |= rel->r_length << BFD_MACH_O_LE_LENGTH_SHIFT;
1287 info |= rel->r_extern ? BFD_MACH_O_LE_EXTERN : 0;
1293 bfd_mach_o_write_relocs (bfd *abfd, bfd_mach_o_section *section)
1298 bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd);
1300 sec = section->bfdsection;
1301 if (sec->reloc_count == 0)
1304 if (bed->_bfd_mach_o_swap_reloc_out == NULL)
1307 if (bfd_seek (abfd, section->reloff, SEEK_SET) != 0)
1310 /* Convert and write. */
1311 entries = section->bfdsection->orelocation;
1312 for (i = 0; i < section->nreloc; i++)
1314 arelent *rel = entries[i];
1315 struct mach_o_reloc_info_external raw;
1316 bfd_mach_o_reloc_info info, *pinfo = &info;
1318 /* Convert relocation to an intermediate representation. */
1319 if (!(*bed->_bfd_mach_o_swap_reloc_out) (rel, pinfo))
1322 /* Lower the relocation info. */
1323 if (pinfo->r_scattered)
1327 v = BFD_MACH_O_SR_SCATTERED
1328 | (pinfo->r_pcrel ? BFD_MACH_O_SR_PCREL : 0)
1329 | BFD_MACH_O_SET_SR_LENGTH(pinfo->r_length)
1330 | BFD_MACH_O_SET_SR_TYPE(pinfo->r_type)
1331 | BFD_MACH_O_SET_SR_ADDRESS(pinfo->r_address);
1332 /* Note: scattered relocs have field in reverse order... */
1333 bfd_put_32 (abfd, v, raw.r_address);
1334 bfd_put_32 (abfd, pinfo->r_value, raw.r_symbolnum);
1338 bfd_put_32 (abfd, pinfo->r_address, raw.r_address);
1339 bfd_mach_o_swap_out_non_scattered_reloc (abfd, raw.r_symbolnum,
1343 if (bfd_bwrite (&raw, BFD_MACH_O_RELENT_SIZE, abfd)
1344 != BFD_MACH_O_RELENT_SIZE)
1351 bfd_mach_o_write_section_32 (bfd *abfd, bfd_mach_o_section *section)
1353 struct mach_o_section_32_external raw;
1355 memcpy (raw.sectname, section->sectname, 16);
1356 memcpy (raw.segname, section->segname, 16);
1357 bfd_h_put_32 (abfd, section->addr, raw.addr);
1358 bfd_h_put_32 (abfd, section->size, raw.size);
1359 bfd_h_put_32 (abfd, section->offset, raw.offset);
1360 bfd_h_put_32 (abfd, section->align, raw.align);
1361 bfd_h_put_32 (abfd, section->reloff, raw.reloff);
1362 bfd_h_put_32 (abfd, section->nreloc, raw.nreloc);
1363 bfd_h_put_32 (abfd, section->flags, raw.flags);
1364 bfd_h_put_32 (abfd, section->reserved1, raw.reserved1);
1365 bfd_h_put_32 (abfd, section->reserved2, raw.reserved2);
1367 if (bfd_bwrite (&raw, BFD_MACH_O_SECTION_SIZE, abfd)
1368 != BFD_MACH_O_SECTION_SIZE)
1375 bfd_mach_o_write_section_64 (bfd *abfd, bfd_mach_o_section *section)
1377 struct mach_o_section_64_external raw;
1379 memcpy (raw.sectname, section->sectname, 16);
1380 memcpy (raw.segname, section->segname, 16);
1381 bfd_h_put_64 (abfd, section->addr, raw.addr);
1382 bfd_h_put_64 (abfd, section->size, raw.size);
1383 bfd_h_put_32 (abfd, section->offset, raw.offset);
1384 bfd_h_put_32 (abfd, section->align, raw.align);
1385 bfd_h_put_32 (abfd, section->reloff, raw.reloff);
1386 bfd_h_put_32 (abfd, section->nreloc, raw.nreloc);
1387 bfd_h_put_32 (abfd, section->flags, raw.flags);
1388 bfd_h_put_32 (abfd, section->reserved1, raw.reserved1);
1389 bfd_h_put_32 (abfd, section->reserved2, raw.reserved2);
1390 bfd_h_put_32 (abfd, section->reserved3, raw.reserved3);
1392 if (bfd_bwrite (&raw, BFD_MACH_O_SECTION_64_SIZE, abfd)
1393 != BFD_MACH_O_SECTION_64_SIZE)
1400 bfd_mach_o_write_segment_32 (bfd *abfd, bfd_mach_o_load_command *command)
1402 struct mach_o_segment_command_32_external raw;
1403 bfd_mach_o_segment_command *seg = &command->command.segment;
1404 bfd_mach_o_section *sec;
1406 BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT);
1408 for (sec = seg->sect_head; sec != NULL; sec = sec->next)
1409 if (!bfd_mach_o_write_relocs (abfd, sec))
1412 memcpy (raw.segname, seg->segname, 16);
1413 bfd_h_put_32 (abfd, seg->vmaddr, raw.vmaddr);
1414 bfd_h_put_32 (abfd, seg->vmsize, raw.vmsize);
1415 bfd_h_put_32 (abfd, seg->fileoff, raw.fileoff);
1416 bfd_h_put_32 (abfd, seg->filesize, raw.filesize);
1417 bfd_h_put_32 (abfd, seg->maxprot, raw.maxprot);
1418 bfd_h_put_32 (abfd, seg->initprot, raw.initprot);
1419 bfd_h_put_32 (abfd, seg->nsects, raw.nsects);
1420 bfd_h_put_32 (abfd, seg->flags, raw.flags);
1422 if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0
1423 || bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw))
1426 for (sec = seg->sect_head; sec != NULL; sec = sec->next)
1427 if (bfd_mach_o_write_section_32 (abfd, sec))
1434 bfd_mach_o_write_segment_64 (bfd *abfd, bfd_mach_o_load_command *command)
1436 struct mach_o_segment_command_64_external raw;
1437 bfd_mach_o_segment_command *seg = &command->command.segment;
1438 bfd_mach_o_section *sec;
1440 BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT_64);
1442 for (sec = seg->sect_head; sec != NULL; sec = sec->next)
1443 if (!bfd_mach_o_write_relocs (abfd, sec))
1446 memcpy (raw.segname, seg->segname, 16);
1447 bfd_h_put_64 (abfd, seg->vmaddr, raw.vmaddr);
1448 bfd_h_put_64 (abfd, seg->vmsize, raw.vmsize);
1449 bfd_h_put_64 (abfd, seg->fileoff, raw.fileoff);
1450 bfd_h_put_64 (abfd, seg->filesize, raw.filesize);
1451 bfd_h_put_32 (abfd, seg->maxprot, raw.maxprot);
1452 bfd_h_put_32 (abfd, seg->initprot, raw.initprot);
1453 bfd_h_put_32 (abfd, seg->nsects, raw.nsects);
1454 bfd_h_put_32 (abfd, seg->flags, raw.flags);
1456 if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0
1457 || bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw))
1460 for (sec = seg->sect_head; sec != NULL; sec = sec->next)
1461 if (bfd_mach_o_write_section_64 (abfd, sec))
1468 bfd_mach_o_write_symtab (bfd *abfd, bfd_mach_o_load_command *command)
1470 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
1471 bfd_mach_o_symtab_command *sym = &command->command.symtab;
1473 unsigned int wide = bfd_mach_o_wide_p (abfd);
1474 unsigned int symlen = wide ? BFD_MACH_O_NLIST_64_SIZE : BFD_MACH_O_NLIST_SIZE;
1475 struct bfd_strtab_hash *strtab;
1476 asymbol **symbols = bfd_get_outsymbols (abfd);
1478 BFD_ASSERT (command->type == BFD_MACH_O_LC_SYMTAB);
1480 /* Write the symbols first. */
1481 mdata->filelen = FILE_ALIGN (mdata->filelen, wide ? 3 : 2);
1482 sym->symoff = mdata->filelen;
1483 if (bfd_seek (abfd, sym->symoff, SEEK_SET) != 0)
1486 sym->nsyms = bfd_get_symcount (abfd);
1487 mdata->filelen += sym->nsyms * symlen;
1489 strtab = _bfd_stringtab_init ();
1494 /* Although we don't strictly need to do this, for compatibility with
1495 Darwin system tools, actually output an empty string for the index
1497 _bfd_stringtab_add (strtab, "", TRUE, FALSE);
1499 for (i = 0; i < sym->nsyms; i++)
1501 bfd_size_type str_index;
1502 bfd_mach_o_asymbol *s = (bfd_mach_o_asymbol *)symbols[i];
1504 if (s->symbol.name == 0 || s->symbol.name[0] == '\0')
1505 /* An index of 0 always means the empty string. */
1509 str_index = _bfd_stringtab_add (strtab, s->symbol.name, TRUE, FALSE);
1511 if (str_index == (bfd_size_type) -1)
1517 struct mach_o_nlist_64_external raw;
1519 bfd_h_put_32 (abfd, str_index, raw.n_strx);
1520 bfd_h_put_8 (abfd, s->n_type, raw.n_type);
1521 bfd_h_put_8 (abfd, s->n_sect, raw.n_sect);
1522 bfd_h_put_16 (abfd, s->n_desc, raw.n_desc);
1523 bfd_h_put_64 (abfd, s->symbol.section->vma + s->symbol.value,
1526 if (bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw))
1531 struct mach_o_nlist_external raw;
1533 bfd_h_put_32 (abfd, str_index, raw.n_strx);
1534 bfd_h_put_8 (abfd, s->n_type, raw.n_type);
1535 bfd_h_put_8 (abfd, s->n_sect, raw.n_sect);
1536 bfd_h_put_16 (abfd, s->n_desc, raw.n_desc);
1537 bfd_h_put_32 (abfd, s->symbol.section->vma + s->symbol.value,
1540 if (bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw))
1544 sym->strsize = _bfd_stringtab_size (strtab);
1545 sym->stroff = mdata->filelen;
1546 mdata->filelen += sym->strsize;
1548 if (_bfd_stringtab_emit (abfd, strtab) != TRUE)
1550 _bfd_stringtab_free (strtab);
1554 struct mach_o_symtab_command_external raw;
1556 bfd_h_put_32 (abfd, sym->symoff, raw.symoff);
1557 bfd_h_put_32 (abfd, sym->nsyms, raw.nsyms);
1558 bfd_h_put_32 (abfd, sym->stroff, raw.stroff);
1559 bfd_h_put_32 (abfd, sym->strsize, raw.strsize);
1561 if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0
1562 || bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw))
1569 _bfd_stringtab_free (strtab);
1573 /* Write a dysymtab command.
1574 TODO: Possibly coalesce writes of smaller objects. */
1577 bfd_mach_o_write_dysymtab (bfd *abfd, bfd_mach_o_load_command *command)
1579 bfd_mach_o_dysymtab_command *cmd = &command->command.dysymtab;
1581 BFD_ASSERT (command->type == BFD_MACH_O_LC_DYSYMTAB);
1583 if (cmd->nmodtab != 0)
1587 if (bfd_seek (abfd, cmd->modtaboff, SEEK_SET) != 0)
1590 for (i = 0; i < cmd->nmodtab; i++)
1592 bfd_mach_o_dylib_module *module = &cmd->dylib_module[i];
1596 iinit = module->iinit & 0xffff;
1597 iinit |= ((module->iterm & 0xffff) << 16);
1599 ninit = module->ninit & 0xffff;
1600 ninit |= ((module->nterm & 0xffff) << 16);
1602 if (bfd_mach_o_wide_p (abfd))
1604 struct mach_o_dylib_module_64_external w;
1606 bfd_h_put_32 (abfd, module->module_name_idx, &w.module_name);
1607 bfd_h_put_32 (abfd, module->iextdefsym, &w.iextdefsym);
1608 bfd_h_put_32 (abfd, module->nextdefsym, &w.nextdefsym);
1609 bfd_h_put_32 (abfd, module->irefsym, &w.irefsym);
1610 bfd_h_put_32 (abfd, module->nrefsym, &w.nrefsym);
1611 bfd_h_put_32 (abfd, module->ilocalsym, &w.ilocalsym);
1612 bfd_h_put_32 (abfd, module->nlocalsym, &w.nlocalsym);
1613 bfd_h_put_32 (abfd, module->iextrel, &w.iextrel);
1614 bfd_h_put_32 (abfd, module->nextrel, &w.nextrel);
1615 bfd_h_put_32 (abfd, iinit, &w.iinit_iterm);
1616 bfd_h_put_32 (abfd, ninit, &w.ninit_nterm);
1617 bfd_h_put_64 (abfd, module->objc_module_info_addr,
1618 &w.objc_module_info_addr);
1619 bfd_h_put_32 (abfd, module->objc_module_info_size,
1620 &w.objc_module_info_size);
1622 if (bfd_bwrite ((void *) &w, sizeof (w), abfd) != sizeof (w))
1627 struct mach_o_dylib_module_external n;
1629 bfd_h_put_32 (abfd, module->module_name_idx, &n.module_name);
1630 bfd_h_put_32 (abfd, module->iextdefsym, &n.iextdefsym);
1631 bfd_h_put_32 (abfd, module->nextdefsym, &n.nextdefsym);
1632 bfd_h_put_32 (abfd, module->irefsym, &n.irefsym);
1633 bfd_h_put_32 (abfd, module->nrefsym, &n.nrefsym);
1634 bfd_h_put_32 (abfd, module->ilocalsym, &n.ilocalsym);
1635 bfd_h_put_32 (abfd, module->nlocalsym, &n.nlocalsym);
1636 bfd_h_put_32 (abfd, module->iextrel, &n.iextrel);
1637 bfd_h_put_32 (abfd, module->nextrel, &n.nextrel);
1638 bfd_h_put_32 (abfd, iinit, &n.iinit_iterm);
1639 bfd_h_put_32 (abfd, ninit, &n.ninit_nterm);
1640 bfd_h_put_32 (abfd, module->objc_module_info_addr,
1641 &n.objc_module_info_addr);
1642 bfd_h_put_32 (abfd, module->objc_module_info_size,
1643 &n.objc_module_info_size);
1645 if (bfd_bwrite ((void *) &n, sizeof (n), abfd) != sizeof (n))
1655 if (bfd_seek (abfd, cmd->tocoff, SEEK_SET) != 0)
1658 for (i = 0; i < cmd->ntoc; i++)
1660 struct mach_o_dylib_table_of_contents_external raw;
1661 bfd_mach_o_dylib_table_of_content *toc = &cmd->dylib_toc[i];
1663 bfd_h_put_32 (abfd, toc->symbol_index, &raw.symbol_index);
1664 bfd_h_put_32 (abfd, toc->module_index, &raw.module_index);
1666 if (bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw))
1671 if (cmd->nindirectsyms > 0)
1675 if (bfd_seek (abfd, cmd->indirectsymoff, SEEK_SET) != 0)
1678 for (i = 0; i < cmd->nindirectsyms; ++i)
1680 unsigned char raw[4];
1682 bfd_h_put_32 (abfd, cmd->indirect_syms[i], &raw);
1683 if (bfd_bwrite (raw, sizeof (raw), abfd) != sizeof (raw))
1688 if (cmd->nextrefsyms != 0)
1692 if (bfd_seek (abfd, cmd->extrefsymoff, SEEK_SET) != 0)
1695 for (i = 0; i < cmd->nextrefsyms; i++)
1698 unsigned char raw[4];
1699 bfd_mach_o_dylib_reference *ref = &cmd->ext_refs[i];
1701 /* Fields isym and flags are written as bit-fields, thus we need
1702 a specific processing for endianness. */
1704 if (bfd_big_endian (abfd))
1706 v = ((ref->isym & 0xffffff) << 8);
1707 v |= ref->flags & 0xff;
1711 v = ref->isym & 0xffffff;
1712 v |= ((ref->flags & 0xff) << 24);
1715 bfd_h_put_32 (abfd, v, raw);
1716 if (bfd_bwrite (raw, sizeof (raw), abfd) != sizeof (raw))
1722 if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0)
1726 struct mach_o_dysymtab_command_external raw;
1728 bfd_h_put_32 (abfd, cmd->ilocalsym, &raw.ilocalsym);
1729 bfd_h_put_32 (abfd, cmd->nlocalsym, &raw.nlocalsym);
1730 bfd_h_put_32 (abfd, cmd->iextdefsym, &raw.iextdefsym);
1731 bfd_h_put_32 (abfd, cmd->nextdefsym, &raw.nextdefsym);
1732 bfd_h_put_32 (abfd, cmd->iundefsym, &raw.iundefsym);
1733 bfd_h_put_32 (abfd, cmd->nundefsym, &raw.nundefsym);
1734 bfd_h_put_32 (abfd, cmd->tocoff, &raw.tocoff);
1735 bfd_h_put_32 (abfd, cmd->ntoc, &raw.ntoc);
1736 bfd_h_put_32 (abfd, cmd->modtaboff, &raw.modtaboff);
1737 bfd_h_put_32 (abfd, cmd->nmodtab, &raw.nmodtab);
1738 bfd_h_put_32 (abfd, cmd->extrefsymoff, &raw.extrefsymoff);
1739 bfd_h_put_32 (abfd, cmd->nextrefsyms, &raw.nextrefsyms);
1740 bfd_h_put_32 (abfd, cmd->indirectsymoff, &raw.indirectsymoff);
1741 bfd_h_put_32 (abfd, cmd->nindirectsyms, &raw.nindirectsyms);
1742 bfd_h_put_32 (abfd, cmd->extreloff, &raw.extreloff);
1743 bfd_h_put_32 (abfd, cmd->nextrel, &raw.nextrel);
1744 bfd_h_put_32 (abfd, cmd->locreloff, &raw.locreloff);
1745 bfd_h_put_32 (abfd, cmd->nlocrel, &raw.nlocrel);
1747 if (bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw))
1755 bfd_mach_o_primary_symbol_sort_key (bfd_mach_o_asymbol *s)
1757 unsigned mtyp = s->n_type & BFD_MACH_O_N_TYPE;
1759 /* Just leave debug symbols where they are (pretend they are local, and
1760 then they will just be sorted on position). */
1761 if (s->n_type & BFD_MACH_O_N_STAB)
1764 /* Local (we should never see an undefined local AFAICT). */
1765 if (! (s->n_type & (BFD_MACH_O_N_EXT | BFD_MACH_O_N_PEXT)))
1768 /* Common symbols look like undefined externs. */
1769 if (mtyp == BFD_MACH_O_N_UNDF)
1772 /* A defined non-local, non-debug symbol. */
1777 bfd_mach_o_cf_symbols (const void *a, const void *b)
1779 bfd_mach_o_asymbol *sa = *(bfd_mach_o_asymbol **) a;
1780 bfd_mach_o_asymbol *sb = *(bfd_mach_o_asymbol **) b;
1781 unsigned int soa, sob;
1783 soa = bfd_mach_o_primary_symbol_sort_key (sa);
1784 sob = bfd_mach_o_primary_symbol_sort_key (sb);
1791 /* If it's local or stab, just preserve the input order. */
1794 if (sa->symbol.udata.i < sb->symbol.udata.i)
1796 if (sa->symbol.udata.i > sb->symbol.udata.i)
1799 /* This is probably an error. */
1803 /* The second sort key is name. */
1804 return strcmp (sa->symbol.name, sb->symbol.name);
1807 /* Process the symbols.
1809 This should be OK for single-module files - but it is not likely to work
1810 for multi-module shared libraries.
1812 (a) If the application has not filled in the relevant mach-o fields, make
1815 (b) Order them, like this:
1818 ( ii) external defined
1820 (iii) external undefined/common
1827 bfd_mach_o_mangle_symbols (bfd *abfd)
1830 asymbol **symbols = bfd_get_outsymbols (abfd);
1832 if (symbols == NULL || bfd_get_symcount (abfd) == 0)
1835 for (i = 0; i < bfd_get_symcount (abfd); i++)
1837 bfd_mach_o_asymbol *s = (bfd_mach_o_asymbol *)symbols[i];
1839 /* We use this value, which is out-of-range as a symbol index, to signal
1840 that the mach-o-specific data are not filled in and need to be created
1841 from the bfd values. It is much preferable for the application to do
1842 this, since more meaningful diagnostics can be made that way. */
1844 if (s->symbol.udata.i == SYM_MACHO_FIELDS_UNSET)
1846 /* No symbol information has been set - therefore determine
1847 it from the bfd symbol flags/info. */
1848 if (s->symbol.section == bfd_abs_section_ptr)
1849 s->n_type = BFD_MACH_O_N_ABS;
1850 else if (s->symbol.section == bfd_und_section_ptr)
1852 s->n_type = BFD_MACH_O_N_UNDF;
1853 if (s->symbol.flags & BSF_WEAK)
1854 s->n_desc |= BFD_MACH_O_N_WEAK_REF;
1855 /* mach-o automatically makes undefined symbols extern. */
1856 s->n_type |= BFD_MACH_O_N_EXT;
1857 s->symbol.flags |= BSF_GLOBAL;
1859 else if (s->symbol.section == bfd_com_section_ptr)
1861 s->n_type = BFD_MACH_O_N_UNDF | BFD_MACH_O_N_EXT;
1862 s->symbol.flags |= BSF_GLOBAL;
1865 s->n_type = BFD_MACH_O_N_SECT;
1867 if (s->symbol.flags & BSF_GLOBAL)
1868 s->n_type |= BFD_MACH_O_N_EXT;
1871 /* Put the section index in, where required. */
1872 if ((s->symbol.section != bfd_abs_section_ptr
1873 && s->symbol.section != bfd_und_section_ptr
1874 && s->symbol.section != bfd_com_section_ptr)
1875 || ((s->n_type & BFD_MACH_O_N_STAB) != 0
1876 && s->symbol.name == NULL))
1877 s->n_sect = s->symbol.section->target_index;
1879 /* Number to preserve order for local and debug syms. */
1880 s->symbol.udata.i = i;
1883 /* Sort the symbols. */
1884 qsort ((void *) symbols, (size_t) bfd_get_symcount (abfd),
1885 sizeof (asymbol *), bfd_mach_o_cf_symbols);
1887 for (i = 0; i < bfd_get_symcount (abfd); ++i)
1889 bfd_mach_o_asymbol *s = (bfd_mach_o_asymbol *)symbols[i];
1890 s->symbol.udata.i = i; /* renumber. */
1896 /* We build a flat table of sections, which can be re-ordered if necessary.
1897 Fill in the section number and other mach-o-specific data. */
1900 bfd_mach_o_mangle_sections (bfd *abfd, bfd_mach_o_data_struct *mdata)
1903 unsigned target_index;
1906 nsect = bfd_count_sections (abfd);
1908 /* Don't do it if it's already set - assume the application knows what it's
1910 if (mdata->nsects == nsect
1911 && (mdata->nsects == 0 || mdata->sections != NULL))
1914 mdata->nsects = nsect;
1915 mdata->sections = bfd_alloc (abfd,
1916 mdata->nsects * sizeof (bfd_mach_o_section *));
1917 if (mdata->sections == NULL)
1920 /* We need to check that this can be done... */
1922 (*_bfd_error_handler) (_("mach-o: there are too many sections (%d)"
1923 " maximum is 255,\n"), nsect);
1925 /* Create Mach-O sections.
1926 Section type, attribute and align should have been set when the
1927 section was created - either read in or specified. */
1929 for (sec = abfd->sections; sec; sec = sec->next)
1931 unsigned bfd_align = bfd_get_section_alignment (abfd, sec);
1932 bfd_mach_o_section *msect = bfd_mach_o_get_mach_o_section (sec);
1934 mdata->sections[target_index] = msect;
1936 msect->addr = bfd_get_section_vma (abfd, sec);
1937 msect->size = bfd_get_section_size (sec);
1939 /* Use the largest alignment set, in case it was bumped after the
1940 section was created. */
1941 msect->align = msect->align > bfd_align ? msect->align : bfd_align;
1944 sec->target_index = ++target_index;
1951 bfd_mach_o_write_contents (bfd *abfd)
1954 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
1956 /* Make the commands, if not already present. */
1957 if (mdata->header.ncmds == 0)
1958 if (!bfd_mach_o_build_commands (abfd))
1961 if (!bfd_mach_o_write_header (abfd, &mdata->header))
1964 for (i = 0; i < mdata->header.ncmds; i++)
1966 struct mach_o_load_command_external raw;
1967 bfd_mach_o_load_command *cur = &mdata->commands[i];
1968 unsigned long typeflag;
1970 typeflag = cur->type | (cur->type_required ? BFD_MACH_O_LC_REQ_DYLD : 0);
1972 bfd_h_put_32 (abfd, typeflag, raw.cmd);
1973 bfd_h_put_32 (abfd, cur->len, raw.cmdsize);
1975 if (bfd_seek (abfd, cur->offset, SEEK_SET) != 0
1976 || bfd_bwrite (&raw, BFD_MACH_O_LC_SIZE, abfd) != 8)
1981 case BFD_MACH_O_LC_SEGMENT:
1982 if (bfd_mach_o_write_segment_32 (abfd, cur) != 0)
1985 case BFD_MACH_O_LC_SEGMENT_64:
1986 if (bfd_mach_o_write_segment_64 (abfd, cur) != 0)
1989 case BFD_MACH_O_LC_SYMTAB:
1990 if (!bfd_mach_o_write_symtab (abfd, cur))
1993 case BFD_MACH_O_LC_DYSYMTAB:
1994 if (!bfd_mach_o_write_dysymtab (abfd, cur))
1997 case BFD_MACH_O_LC_SYMSEG:
1999 case BFD_MACH_O_LC_THREAD:
2000 case BFD_MACH_O_LC_UNIXTHREAD:
2001 if (bfd_mach_o_write_thread (abfd, cur) != 0)
2004 case BFD_MACH_O_LC_LOADFVMLIB:
2005 case BFD_MACH_O_LC_IDFVMLIB:
2006 case BFD_MACH_O_LC_IDENT:
2007 case BFD_MACH_O_LC_FVMFILE:
2008 case BFD_MACH_O_LC_PREPAGE:
2009 case BFD_MACH_O_LC_LOAD_DYLIB:
2010 case BFD_MACH_O_LC_LOAD_WEAK_DYLIB:
2011 case BFD_MACH_O_LC_ID_DYLIB:
2012 case BFD_MACH_O_LC_REEXPORT_DYLIB:
2013 case BFD_MACH_O_LC_LOAD_UPWARD_DYLIB:
2014 case BFD_MACH_O_LC_LOAD_DYLINKER:
2015 case BFD_MACH_O_LC_ID_DYLINKER:
2016 case BFD_MACH_O_LC_PREBOUND_DYLIB:
2017 case BFD_MACH_O_LC_ROUTINES:
2018 case BFD_MACH_O_LC_SUB_FRAMEWORK:
2021 (*_bfd_error_handler)
2022 (_("unable to write unknown load command 0x%lx"),
2023 (unsigned long) cur->type);
2032 bfd_mach_o_append_section_to_segment (bfd_mach_o_segment_command *seg,
2035 bfd_mach_o_section *s = (bfd_mach_o_section *)sec->used_by_bfd;
2036 if (seg->sect_head == NULL)
2039 seg->sect_tail->next = s;
2043 /* Create section Mach-O flags from BFD flags. */
2046 bfd_mach_o_set_section_flags_from_bfd (bfd *abfd ATTRIBUTE_UNUSED,
2050 bfd_mach_o_section *s = bfd_mach_o_get_mach_o_section (sec);
2052 /* Create default flags. */
2053 bfd_flags = bfd_get_section_flags (abfd, sec);
2054 if ((bfd_flags & SEC_CODE) == SEC_CODE)
2055 s->flags = BFD_MACH_O_S_ATTR_PURE_INSTRUCTIONS
2056 | BFD_MACH_O_S_ATTR_SOME_INSTRUCTIONS
2057 | BFD_MACH_O_S_REGULAR;
2058 else if ((bfd_flags & (SEC_ALLOC | SEC_LOAD)) == SEC_ALLOC)
2059 s->flags = BFD_MACH_O_S_ZEROFILL;
2060 else if (bfd_flags & SEC_DEBUGGING)
2061 s->flags = BFD_MACH_O_S_REGULAR | BFD_MACH_O_S_ATTR_DEBUG;
2063 s->flags = BFD_MACH_O_S_REGULAR;
2066 /* Count the number of sections in the list for the segment named.
2068 The special case of NULL or "" for the segment name is valid for
2069 an MH_OBJECT file and means 'all sections available'.
2071 Requires that the sections table in mdata be filled in.
2073 Returns the number of sections (0 is valid).
2074 Any number > 255 signals an invalid section count, although we will,
2075 perhaps, allow the file to be written (in line with Darwin tools up
2078 A section count of (unsigned long) -1 signals a definite error. */
2080 static unsigned long
2081 bfd_mach_o_count_sections_for_seg (const char *segment,
2082 bfd_mach_o_data_struct *mdata)
2085 if (mdata == NULL || mdata->sections == NULL)
2086 return (unsigned long) -1;
2088 /* The MH_OBJECT case, all sections are considered; Although nsects is
2089 is an unsigned long, the maximum valid section count is 255 and this
2090 will have been checked already by mangle_sections. */
2091 if (segment == NULL || segment[0] == '\0')
2092 return mdata->nsects;
2094 /* Count the number of sections we see in this segment. */
2096 for (i = 0; i < mdata->nsects; ++i)
2098 bfd_mach_o_section *s = mdata->sections[i];
2099 if (strncmp (segment, s->segname, BFD_MACH_O_SEGNAME_SIZE) == 0)
2106 bfd_mach_o_build_seg_command (const char *segment,
2107 bfd_mach_o_data_struct *mdata,
2108 bfd_mach_o_segment_command *seg)
2111 int is_mho = (segment == NULL || segment[0] == '\0');
2113 /* Fill segment command. */
2115 memset (seg->segname, 0, sizeof (seg->segname));
2117 strncpy (seg->segname, segment, sizeof (seg->segname));
2119 /* TODO: fix this up for non-MH_OBJECT cases. */
2123 seg->fileoff = mdata->filelen;
2125 seg->maxprot = BFD_MACH_O_PROT_READ | BFD_MACH_O_PROT_WRITE
2126 | BFD_MACH_O_PROT_EXECUTE;
2127 seg->initprot = seg->maxprot;
2129 seg->sect_head = NULL;
2130 seg->sect_tail = NULL;
2132 /* Append sections to the segment.
2134 This is a little tedious, we have to honor the need to account zerofill
2135 sections after all the rest. This forces us to do the calculation of
2136 total vmsize in three passes so that any alignment increments are
2137 properly accounted. */
2139 for (i = 0; i < mdata->nsects; ++i)
2141 bfd_mach_o_section *s = mdata->sections[i];
2142 asection *sec = s->bfdsection;
2144 /* If we're not making an MH_OBJECT, check whether this section is from
2145 our segment, and skip if not. Otherwise, just add all sections. */
2147 && strncmp (segment, s->segname, BFD_MACH_O_SEGNAME_SIZE) != 0)
2150 /* Although we account for zerofill section sizes in vm order, they are
2151 placed in the file in source sequence. */
2152 bfd_mach_o_append_section_to_segment (seg, sec);
2155 /* Zerofill sections have zero file size & offset,
2156 and are not written. */
2157 if ((s->flags & BFD_MACH_O_SECTION_TYPE_MASK) == BFD_MACH_O_S_ZEROFILL
2158 || (s->flags & BFD_MACH_O_SECTION_TYPE_MASK)
2159 == BFD_MACH_O_S_GB_ZEROFILL)
2164 seg->vmsize = FILE_ALIGN (seg->vmsize, s->align);
2165 seg->vmsize += s->size;
2167 seg->filesize = FILE_ALIGN (seg->filesize, s->align);
2168 seg->filesize += s->size;
2170 mdata->filelen = FILE_ALIGN (mdata->filelen, s->align);
2171 s->offset = mdata->filelen;
2174 sec->filepos = s->offset;
2175 mdata->filelen += s->size;
2178 /* Now pass through again, for zerofill, only now we just update the
2180 for (i = 0; i < mdata->nsects; ++i)
2182 bfd_mach_o_section *s = mdata->sections[i];
2184 if ((s->flags & BFD_MACH_O_SECTION_TYPE_MASK) != BFD_MACH_O_S_ZEROFILL)
2188 && strncmp (segment, s->segname, BFD_MACH_O_SEGNAME_SIZE) != 0)
2193 seg->vmsize = FILE_ALIGN (seg->vmsize, s->align);
2194 seg->vmsize += s->size;
2198 /* Now pass through again, for zerofill_GB. */
2199 for (i = 0; i < mdata->nsects; ++i)
2201 bfd_mach_o_section *s = mdata->sections[i];
2203 if ((s->flags & BFD_MACH_O_SECTION_TYPE_MASK) != BFD_MACH_O_S_GB_ZEROFILL)
2207 && strncmp (segment, s->segname, BFD_MACH_O_SEGNAME_SIZE) != 0)
2212 seg->vmsize = FILE_ALIGN (seg->vmsize, s->align);
2213 seg->vmsize += s->size;
2217 /* Allocate space for the relocations. */
2218 mdata->filelen = FILE_ALIGN(mdata->filelen, 2);
2220 for (i = 0; i < mdata->nsects; ++i)
2222 bfd_mach_o_section *ms = mdata->sections[i];
2223 asection *sec = ms->bfdsection;
2225 if ((ms->nreloc = sec->reloc_count) == 0)
2230 sec->rel_filepos = mdata->filelen;
2231 ms->reloff = sec->rel_filepos;
2232 mdata->filelen += sec->reloc_count * BFD_MACH_O_RELENT_SIZE;
2238 /* Count the number of indirect symbols in the image.
2239 Requires that the sections are in their final order. */
2242 bfd_mach_o_count_indirect_symbols (bfd *abfd, bfd_mach_o_data_struct *mdata)
2245 unsigned int nisyms = 0;
2247 for (i = 0; i < mdata->nsects; ++i)
2249 bfd_mach_o_section *sec = mdata->sections[i];
2251 switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK)
2253 case BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS:
2254 case BFD_MACH_O_S_LAZY_SYMBOL_POINTERS:
2255 case BFD_MACH_O_S_SYMBOL_STUBS:
2256 nisyms += bfd_mach_o_section_get_nbr_indirect (abfd, sec);
2266 bfd_mach_o_build_dysymtab_command (bfd *abfd,
2267 bfd_mach_o_data_struct *mdata,
2268 bfd_mach_o_load_command *cmd)
2270 bfd_mach_o_dysymtab_command *dsym = &cmd->command.dysymtab;
2273 We are not going to try and fill these in yet and, moreover, we are
2274 going to bail if they are already set. */
2275 if (dsym->nmodtab != 0
2277 || dsym->nextrefsyms != 0)
2279 (*_bfd_error_handler) (_("sorry: modtab, toc and extrefsyms are not yet"
2280 " implemented for dysymtab commands."));
2284 dsym->ilocalsym = 0;
2286 if (bfd_get_symcount (abfd) > 0)
2288 asymbol **symbols = bfd_get_outsymbols (abfd);
2291 /* Count the number of each kind of symbol. */
2292 for (i = 0; i < bfd_get_symcount (abfd); ++i)
2294 bfd_mach_o_asymbol *s = (bfd_mach_o_asymbol *)symbols[i];
2295 if (s->n_type & (BFD_MACH_O_N_EXT | BFD_MACH_O_N_PEXT))
2298 dsym->nlocalsym = i;
2299 dsym->iextdefsym = i;
2300 for (; i < bfd_get_symcount (abfd); ++i)
2302 bfd_mach_o_asymbol *s = (bfd_mach_o_asymbol *)symbols[i];
2303 if ((s->n_type & BFD_MACH_O_N_TYPE) == BFD_MACH_O_N_UNDF)
2306 dsym->nextdefsym = i - dsym->nlocalsym;
2307 dsym->iundefsym = dsym->nextdefsym + dsym->iextdefsym;
2308 dsym->nundefsym = bfd_get_symcount (abfd)
2314 dsym->nlocalsym = 0;
2315 dsym->iextdefsym = 0;
2316 dsym->nextdefsym = 0;
2317 dsym->iundefsym = 0;
2318 dsym->nundefsym = 0;
2321 dsym->nindirectsyms = bfd_mach_o_count_indirect_symbols (abfd, mdata);
2322 if (dsym->nindirectsyms > 0)
2327 mdata->filelen = FILE_ALIGN (mdata->filelen, 2);
2328 dsym->indirectsymoff = mdata->filelen;
2329 mdata->filelen += dsym->nindirectsyms * 4;
2331 dsym->indirect_syms = bfd_zalloc (abfd, dsym->nindirectsyms * 4);
2332 if (dsym->indirect_syms == NULL)
2336 for (i = 0; i < mdata->nsects; ++i)
2338 bfd_mach_o_section *sec = mdata->sections[i];
2340 switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK)
2342 case BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS:
2343 case BFD_MACH_O_S_LAZY_SYMBOL_POINTERS:
2344 case BFD_MACH_O_S_SYMBOL_STUBS:
2347 bfd_mach_o_asymbol **isyms = sec->indirect_syms;
2349 num = bfd_mach_o_section_get_nbr_indirect (abfd, sec);
2350 if (isyms == NULL || num == 0)
2352 /* Record the starting index in the reserved1 field. */
2354 for (j = 0; j < num; j++, n++)
2356 if (isyms[j] == NULL)
2357 dsym->indirect_syms[n] = BFD_MACH_O_INDIRECT_SYM_LOCAL;
2358 else if (isyms[j]->symbol.section == bfd_abs_section_ptr
2359 && ! (isyms[j]->n_type & BFD_MACH_O_N_EXT))
2360 dsym->indirect_syms[n] = BFD_MACH_O_INDIRECT_SYM_LOCAL
2361 | BFD_MACH_O_INDIRECT_SYM_ABS;
2363 dsym->indirect_syms[n] = isyms[j]->symbol.udata.i;
2376 /* Build Mach-O load commands (currently assuming an MH_OBJECT file).
2377 TODO: Other file formats, rebuilding symtab/dysymtab commands for strip
2378 and copy functionality. */
2381 bfd_mach_o_build_commands (bfd *abfd)
2383 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
2384 unsigned wide = mach_o_wide_p (&mdata->header);
2385 int segcmd_idx = -1;
2386 int symtab_idx = -1;
2387 int dysymtab_idx = -1;
2388 unsigned long base_offset = 0;
2390 /* Return now if commands are already present. */
2391 if (mdata->header.ncmds)
2394 /* Fill in the file type, if not already set. */
2396 if (mdata->header.filetype == 0)
2398 if (abfd->flags & EXEC_P)
2399 mdata->header.filetype = BFD_MACH_O_MH_EXECUTE;
2400 else if (abfd->flags & DYNAMIC)
2401 mdata->header.filetype = BFD_MACH_O_MH_DYLIB;
2403 mdata->header.filetype = BFD_MACH_O_MH_OBJECT;
2406 /* If hasn't already been done, flatten sections list, and sort
2407 if/when required. Must be done before the symbol table is adjusted,
2408 since that depends on properly numbered sections. */
2409 if (mdata->nsects == 0 || mdata->sections == NULL)
2410 if (! bfd_mach_o_mangle_sections (abfd, mdata))
2413 /* Order the symbol table, fill-in/check mach-o specific fields and
2414 partition out any indirect symbols. */
2415 if (!bfd_mach_o_mangle_symbols (abfd))
2418 /* Very simple command set (only really applicable to MH_OBJECTs):
2419 All the commands are optional - present only when there is suitable data.
2420 (i.e. it is valid to have an empty file)
2422 a command (segment) to contain all the sections,
2423 command for the symbol table,
2424 a command for the dysymtab.
2426 ??? maybe we should assert that this is an MH_OBJECT? */
2428 if (mdata->nsects > 0)
2431 mdata->header.ncmds = 1;
2434 if (bfd_get_symcount (abfd) > 0)
2436 mdata->header.ncmds++;
2437 symtab_idx = segcmd_idx + 1; /* 0 if the seg command is absent. */
2441 This is a rather crude test for whether we should build a dysymtab. */
2442 if (bfd_mach_o_should_emit_dysymtab ()
2443 && bfd_get_symcount (abfd))
2445 mdata->header.ncmds++;
2446 /* If there should be a case where a dysymtab could be emitted without
2447 a symtab (seems improbable), this would need amending. */
2448 dysymtab_idx = symtab_idx + 1;
2452 base_offset = BFD_MACH_O_HEADER_64_SIZE;
2454 base_offset = BFD_MACH_O_HEADER_SIZE;
2456 /* Well, we must have a header, at least. */
2457 mdata->filelen = base_offset;
2459 /* A bit unusual, but no content is valid;
2460 as -n empty.s -o empty.o */
2461 if (mdata->header.ncmds == 0)
2464 mdata->commands = bfd_zalloc (abfd, mdata->header.ncmds
2465 * sizeof (bfd_mach_o_load_command));
2466 if (mdata->commands == NULL)
2469 if (segcmd_idx >= 0)
2471 bfd_mach_o_load_command *cmd = &mdata->commands[segcmd_idx];
2472 bfd_mach_o_segment_command *seg = &cmd->command.segment;
2474 /* Count the segctions in the special blank segment used for MH_OBJECT. */
2475 seg->nsects = bfd_mach_o_count_sections_for_seg (NULL, mdata);
2476 if (seg->nsects == (unsigned long) -1)
2479 /* Init segment command. */
2480 cmd->offset = base_offset;
2483 cmd->type = BFD_MACH_O_LC_SEGMENT_64;
2484 cmd->len = BFD_MACH_O_LC_SEGMENT_64_SIZE
2485 + BFD_MACH_O_SECTION_64_SIZE * seg->nsects;
2489 cmd->type = BFD_MACH_O_LC_SEGMENT;
2490 cmd->len = BFD_MACH_O_LC_SEGMENT_SIZE
2491 + BFD_MACH_O_SECTION_SIZE * seg->nsects;
2494 cmd->type_required = FALSE;
2495 mdata->header.sizeofcmds = cmd->len;
2496 mdata->filelen += cmd->len;
2499 if (symtab_idx >= 0)
2501 /* Init symtab command. */
2502 bfd_mach_o_load_command *cmd = &mdata->commands[symtab_idx];
2504 cmd->type = BFD_MACH_O_LC_SYMTAB;
2505 cmd->offset = base_offset;
2506 if (segcmd_idx >= 0)
2507 cmd->offset += mdata->commands[segcmd_idx].len;
2509 cmd->len = sizeof (struct mach_o_symtab_command_external)
2510 + BFD_MACH_O_LC_SIZE;
2511 cmd->type_required = FALSE;
2512 mdata->header.sizeofcmds += cmd->len;
2513 mdata->filelen += cmd->len;
2516 /* If required, setup symtab command, see comment above about the quality
2518 if (dysymtab_idx >= 0)
2520 bfd_mach_o_load_command *cmd = &mdata->commands[dysymtab_idx];
2522 cmd->type = BFD_MACH_O_LC_DYSYMTAB;
2523 if (symtab_idx >= 0)
2524 cmd->offset = mdata->commands[symtab_idx].offset
2525 + mdata->commands[symtab_idx].len;
2526 else if (segcmd_idx >= 0)
2527 cmd->offset = mdata->commands[segcmd_idx].offset
2528 + mdata->commands[segcmd_idx].len;
2530 cmd->offset = base_offset;
2532 cmd->type_required = FALSE;
2533 cmd->len = sizeof (struct mach_o_dysymtab_command_external)
2534 + BFD_MACH_O_LC_SIZE;
2536 mdata->header.sizeofcmds += cmd->len;
2537 mdata->filelen += cmd->len;
2540 /* So, now we have sized the commands and the filelen set to that.
2541 Now we can build the segment command and set the section file offsets. */
2543 && ! bfd_mach_o_build_seg_command
2544 (NULL, mdata, &mdata->commands[segcmd_idx].command.segment))
2547 /* If we're doing a dysymtab, cmd points to its load command. */
2548 if (dysymtab_idx >= 0
2549 && ! bfd_mach_o_build_dysymtab_command (abfd, mdata,
2550 &mdata->commands[dysymtab_idx]))
2553 /* The symtab command is filled in when the symtab is written. */
2557 /* Set the contents of a section. */
2560 bfd_mach_o_set_section_contents (bfd *abfd,
2562 const void * location,
2564 bfd_size_type count)
2568 /* Trying to write the first section contents will trigger the creation of
2569 the load commands if they are not already present. */
2570 if (! abfd->output_has_begun && ! bfd_mach_o_build_commands (abfd))
2576 pos = section->filepos + offset;
2577 if (bfd_seek (abfd, pos, SEEK_SET) != 0
2578 || bfd_bwrite (location, count, abfd) != count)
2585 bfd_mach_o_sizeof_headers (bfd *a ATTRIBUTE_UNUSED,
2586 struct bfd_link_info *info ATTRIBUTE_UNUSED)
2591 /* Make an empty symbol. This is required only because
2592 bfd_make_section_anyway wants to create a symbol for the section. */
2595 bfd_mach_o_make_empty_symbol (bfd *abfd)
2597 asymbol *new_symbol;
2599 new_symbol = bfd_zalloc (abfd, sizeof (bfd_mach_o_asymbol));
2600 if (new_symbol == NULL)
2602 new_symbol->the_bfd = abfd;
2603 new_symbol->udata.i = SYM_MACHO_FIELDS_UNSET;
2608 bfd_mach_o_read_header (bfd *abfd, bfd_mach_o_header *header)
2610 struct mach_o_header_external raw;
2612 bfd_vma (*get32) (const void *) = NULL;
2614 /* Just read the magic number. */
2615 if (bfd_seek (abfd, 0, SEEK_SET) != 0
2616 || bfd_bread (raw.magic, sizeof (raw.magic), abfd) != 4)
2619 if (bfd_getb32 (raw.magic) == BFD_MACH_O_MH_MAGIC)
2621 header->byteorder = BFD_ENDIAN_BIG;
2622 header->magic = BFD_MACH_O_MH_MAGIC;
2623 header->version = 1;
2626 else if (bfd_getl32 (raw.magic) == BFD_MACH_O_MH_MAGIC)
2628 header->byteorder = BFD_ENDIAN_LITTLE;
2629 header->magic = BFD_MACH_O_MH_MAGIC;
2630 header->version = 1;
2633 else if (bfd_getb32 (raw.magic) == BFD_MACH_O_MH_MAGIC_64)
2635 header->byteorder = BFD_ENDIAN_BIG;
2636 header->magic = BFD_MACH_O_MH_MAGIC_64;
2637 header->version = 2;
2640 else if (bfd_getl32 (raw.magic) == BFD_MACH_O_MH_MAGIC_64)
2642 header->byteorder = BFD_ENDIAN_LITTLE;
2643 header->magic = BFD_MACH_O_MH_MAGIC_64;
2644 header->version = 2;
2649 header->byteorder = BFD_ENDIAN_UNKNOWN;
2653 /* Once the size of the header is known, read the full header. */
2654 size = mach_o_wide_p (header) ?
2655 BFD_MACH_O_HEADER_64_SIZE : BFD_MACH_O_HEADER_SIZE;
2657 if (bfd_seek (abfd, 0, SEEK_SET) != 0
2658 || bfd_bread (&raw, size, abfd) != size)
2661 header->cputype = (*get32) (raw.cputype);
2662 header->cpusubtype = (*get32) (raw.cpusubtype);
2663 header->filetype = (*get32) (raw.filetype);
2664 header->ncmds = (*get32) (raw.ncmds);
2665 header->sizeofcmds = (*get32) (raw.sizeofcmds);
2666 header->flags = (*get32) (raw.flags);
2668 if (mach_o_wide_p (header))
2669 header->reserved = (*get32) (raw.reserved);
2671 header->reserved = 0;
2677 bfd_mach_o_new_section_hook (bfd *abfd, asection *sec)
2679 bfd_mach_o_section *s;
2680 unsigned bfdalign = bfd_get_section_alignment (abfd, sec);
2682 s = bfd_mach_o_get_mach_o_section (sec);
2686 static const mach_o_section_name_xlat * xlat;
2688 s = (bfd_mach_o_section *) bfd_zalloc (abfd, sizeof (*s));
2691 sec->used_by_bfd = s;
2692 s->bfdsection = sec;
2694 /* Create the Darwin seg/sect name pair from the bfd name.
2695 If this is a canonical name for which a specific paiting exists
2696 there will also be defined flags, type, attribute and alignment
2698 xlat = bfd_mach_o_convert_section_name_to_mach_o (abfd, sec, s);
2701 s->flags = xlat->macho_sectype | xlat->macho_secattr;
2702 s->align = xlat->sectalign > bfdalign ? xlat->sectalign
2704 (void) bfd_set_section_alignment (abfd, sec, s->align);
2705 bfd_flags = bfd_get_section_flags (abfd, sec);
2706 if (bfd_flags == SEC_NO_FLAGS)
2707 bfd_set_section_flags (abfd, sec, xlat->bfd_flags);
2710 /* Create default flags. */
2711 bfd_mach_o_set_section_flags_from_bfd (abfd, sec);
2714 return _bfd_generic_new_section_hook (abfd, sec);
2718 bfd_mach_o_init_section_from_mach_o (bfd *abfd, asection *sec,
2722 bfd_mach_o_section *section;
2724 flags = bfd_get_section_flags (abfd, sec);
2725 section = bfd_mach_o_get_mach_o_section (sec);
2727 /* TODO: see if we should use the xlat system for doing this by
2728 preference and fall back to this for unknown sections. */
2730 if (flags == SEC_NO_FLAGS)
2732 /* Try to guess flags. */
2733 if (section->flags & BFD_MACH_O_S_ATTR_DEBUG)
2734 flags = SEC_DEBUGGING;
2738 if ((section->flags & BFD_MACH_O_SECTION_TYPE_MASK)
2739 != BFD_MACH_O_S_ZEROFILL)
2742 if (prot & BFD_MACH_O_PROT_EXECUTE)
2744 if (prot & BFD_MACH_O_PROT_WRITE)
2746 else if (prot & BFD_MACH_O_PROT_READ)
2747 flags |= SEC_READONLY;
2753 if ((flags & SEC_DEBUGGING) == 0)
2757 if (section->offset != 0)
2758 flags |= SEC_HAS_CONTENTS;
2759 if (section->nreloc != 0)
2762 bfd_set_section_flags (abfd, sec, flags);
2764 sec->vma = section->addr;
2765 sec->lma = section->addr;
2766 sec->size = section->size;
2767 sec->filepos = section->offset;
2768 sec->alignment_power = section->align;
2769 sec->segment_mark = 0;
2770 sec->reloc_count = section->nreloc;
2771 sec->rel_filepos = section->reloff;
2775 bfd_mach_o_make_bfd_section (bfd *abfd,
2776 const unsigned char *segname,
2777 const unsigned char *sectname)
2782 bfd_mach_o_convert_section_name_to_bfd
2783 (abfd, (const char *)segname, (const char *)sectname, &sname, &flags);
2787 return bfd_make_section_anyway_with_flags (abfd, sname, flags);
2791 bfd_mach_o_read_section_32 (bfd *abfd,
2792 unsigned int offset,
2795 struct mach_o_section_32_external raw;
2797 bfd_mach_o_section *section;
2799 if (bfd_seek (abfd, offset, SEEK_SET) != 0
2800 || (bfd_bread (&raw, BFD_MACH_O_SECTION_SIZE, abfd)
2801 != BFD_MACH_O_SECTION_SIZE))
2804 sec = bfd_mach_o_make_bfd_section (abfd, raw.segname, raw.sectname);
2808 section = bfd_mach_o_get_mach_o_section (sec);
2809 memcpy (section->segname, raw.segname, sizeof (raw.segname));
2810 section->segname[BFD_MACH_O_SEGNAME_SIZE] = 0;
2811 memcpy (section->sectname, raw.sectname, sizeof (raw.sectname));
2812 section->sectname[BFD_MACH_O_SECTNAME_SIZE] = 0;
2813 section->addr = bfd_h_get_32 (abfd, raw.addr);
2814 section->size = bfd_h_get_32 (abfd, raw.size);
2815 section->offset = bfd_h_get_32 (abfd, raw.offset);
2816 section->align = bfd_h_get_32 (abfd, raw.align);
2817 section->reloff = bfd_h_get_32 (abfd, raw.reloff);
2818 section->nreloc = bfd_h_get_32 (abfd, raw.nreloc);
2819 section->flags = bfd_h_get_32 (abfd, raw.flags);
2820 section->reserved1 = bfd_h_get_32 (abfd, raw.reserved1);
2821 section->reserved2 = bfd_h_get_32 (abfd, raw.reserved2);
2822 section->reserved3 = 0;
2824 bfd_mach_o_init_section_from_mach_o (abfd, sec, prot);
2830 bfd_mach_o_read_section_64 (bfd *abfd,
2831 unsigned int offset,
2834 struct mach_o_section_64_external raw;
2836 bfd_mach_o_section *section;
2838 if (bfd_seek (abfd, offset, SEEK_SET) != 0
2839 || (bfd_bread (&raw, BFD_MACH_O_SECTION_64_SIZE, abfd)
2840 != BFD_MACH_O_SECTION_64_SIZE))
2843 sec = bfd_mach_o_make_bfd_section (abfd, raw.segname, raw.sectname);
2847 section = bfd_mach_o_get_mach_o_section (sec);
2848 memcpy (section->segname, raw.segname, sizeof (raw.segname));
2849 section->segname[BFD_MACH_O_SEGNAME_SIZE] = 0;
2850 memcpy (section->sectname, raw.sectname, sizeof (raw.sectname));
2851 section->sectname[BFD_MACH_O_SECTNAME_SIZE] = 0;
2852 section->addr = bfd_h_get_64 (abfd, raw.addr);
2853 section->size = bfd_h_get_64 (abfd, raw.size);
2854 section->offset = bfd_h_get_32 (abfd, raw.offset);
2855 section->align = bfd_h_get_32 (abfd, raw.align);
2856 section->reloff = bfd_h_get_32 (abfd, raw.reloff);
2857 section->nreloc = bfd_h_get_32 (abfd, raw.nreloc);
2858 section->flags = bfd_h_get_32 (abfd, raw.flags);
2859 section->reserved1 = bfd_h_get_32 (abfd, raw.reserved1);
2860 section->reserved2 = bfd_h_get_32 (abfd, raw.reserved2);
2861 section->reserved3 = bfd_h_get_32 (abfd, raw.reserved3);
2863 bfd_mach_o_init_section_from_mach_o (abfd, sec, prot);
2869 bfd_mach_o_read_section (bfd *abfd,
2870 unsigned int offset,
2875 return bfd_mach_o_read_section_64 (abfd, offset, prot);
2877 return bfd_mach_o_read_section_32 (abfd, offset, prot);
2881 bfd_mach_o_read_symtab_symbol (bfd *abfd,
2882 bfd_mach_o_symtab_command *sym,
2883 bfd_mach_o_asymbol *s,
2886 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
2887 unsigned int wide = mach_o_wide_p (&mdata->header);
2888 unsigned int symwidth =
2889 wide ? BFD_MACH_O_NLIST_64_SIZE : BFD_MACH_O_NLIST_SIZE;
2890 unsigned int symoff = sym->symoff + (i * symwidth);
2891 struct mach_o_nlist_64_external raw;
2892 unsigned char type = -1;
2893 unsigned char section = -1;
2895 symvalue value = -1;
2896 unsigned long stroff = -1;
2897 unsigned int symtype = -1;
2899 BFD_ASSERT (sym->strtab != NULL);
2901 if (bfd_seek (abfd, symoff, SEEK_SET) != 0
2902 || bfd_bread (&raw, symwidth, abfd) != symwidth)
2904 (*_bfd_error_handler)
2905 (_("bfd_mach_o_read_symtab_symbol: unable to read %d bytes at %lu"),
2906 symwidth, (unsigned long) symoff);
2910 stroff = bfd_h_get_32 (abfd, raw.n_strx);
2911 type = bfd_h_get_8 (abfd, raw.n_type);
2912 symtype = type & BFD_MACH_O_N_TYPE;
2913 section = bfd_h_get_8 (abfd, raw.n_sect);
2914 desc = bfd_h_get_16 (abfd, raw.n_desc);
2916 value = bfd_h_get_64 (abfd, raw.n_value);
2918 value = bfd_h_get_32 (abfd, raw.n_value);
2920 if (stroff >= sym->strsize)
2922 (*_bfd_error_handler)
2923 (_("bfd_mach_o_read_symtab_symbol: name out of range (%lu >= %lu)"),
2924 (unsigned long) stroff,
2925 (unsigned long) sym->strsize);
2929 s->symbol.the_bfd = abfd;
2930 s->symbol.name = sym->strtab + stroff;
2931 s->symbol.value = value;
2932 s->symbol.flags = 0x0;
2933 s->symbol.udata.i = i;
2935 s->n_sect = section;
2938 if (type & BFD_MACH_O_N_STAB)
2940 s->symbol.flags |= BSF_DEBUGGING;
2941 s->symbol.section = bfd_und_section_ptr;
2953 if ((section > 0) && (section <= mdata->nsects))
2955 s->symbol.section = mdata->sections[section - 1]->bfdsection;
2957 s->symbol.value - mdata->sections[section - 1]->addr;
2964 if (type & (BFD_MACH_O_N_PEXT | BFD_MACH_O_N_EXT))
2965 s->symbol.flags |= BSF_GLOBAL;
2967 s->symbol.flags |= BSF_LOCAL;
2971 case BFD_MACH_O_N_UNDF:
2972 if (type == (BFD_MACH_O_N_UNDF | BFD_MACH_O_N_EXT)
2973 && s->symbol.value != 0)
2975 /* A common symbol. */
2976 s->symbol.section = bfd_com_section_ptr;
2977 s->symbol.flags = BSF_NO_FLAGS;
2981 s->symbol.section = bfd_und_section_ptr;
2982 if (s->n_desc & BFD_MACH_O_N_WEAK_REF)
2983 s->symbol.flags |= BSF_WEAK;
2986 case BFD_MACH_O_N_PBUD:
2987 s->symbol.section = bfd_und_section_ptr;
2989 case BFD_MACH_O_N_ABS:
2990 s->symbol.section = bfd_abs_section_ptr;
2992 case BFD_MACH_O_N_SECT:
2993 if ((section > 0) && (section <= mdata->nsects))
2995 s->symbol.section = mdata->sections[section - 1]->bfdsection;
2997 s->symbol.value - mdata->sections[section - 1]->addr;
3001 /* Mach-O uses 0 to mean "no section"; not an error. */
3004 (*_bfd_error_handler) (_("bfd_mach_o_read_symtab_symbol: "
3005 "symbol \"%s\" specified invalid section %d (max %lu): setting to undefined"),
3006 s->symbol.name, section, mdata->nsects);
3008 s->symbol.section = bfd_und_section_ptr;
3011 case BFD_MACH_O_N_INDR:
3012 /* FIXME: we don't follow the BFD convention as this indirect symbol
3013 won't be followed by the referenced one. This looks harmless
3014 unless we start using the linker. */
3015 s->symbol.flags |= BSF_INDIRECT;
3016 s->symbol.section = bfd_ind_section_ptr;
3017 s->symbol.value = 0;
3020 (*_bfd_error_handler) (_("bfd_mach_o_read_symtab_symbol: "
3021 "symbol \"%s\" specified invalid type field 0x%x: setting to undefined"),
3022 s->symbol.name, symtype);
3023 s->symbol.section = bfd_und_section_ptr;
3032 bfd_mach_o_read_symtab_strtab (bfd *abfd)
3034 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
3035 bfd_mach_o_symtab_command *sym = mdata->symtab;
3037 /* Fail if there is no symtab. */
3041 /* Success if already loaded. */
3045 if (abfd->flags & BFD_IN_MEMORY)
3047 struct bfd_in_memory *b;
3049 b = (struct bfd_in_memory *) abfd->iostream;
3051 if ((sym->stroff + sym->strsize) > b->size)
3053 bfd_set_error (bfd_error_file_truncated);
3056 sym->strtab = (char *) b->buffer + sym->stroff;
3060 sym->strtab = bfd_alloc (abfd, sym->strsize);
3061 if (sym->strtab == NULL)
3064 if (bfd_seek (abfd, sym->stroff, SEEK_SET) != 0
3065 || bfd_bread (sym->strtab, sym->strsize, abfd) != sym->strsize)
3067 bfd_set_error (bfd_error_file_truncated);
3076 bfd_mach_o_read_symtab_symbols (bfd *abfd)
3078 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
3079 bfd_mach_o_symtab_command *sym = mdata->symtab;
3082 if (sym == NULL || sym->symbols)
3084 /* Return now if there are no symbols or if already loaded. */
3088 sym->symbols = bfd_alloc (abfd, sym->nsyms * sizeof (bfd_mach_o_asymbol));
3090 if (sym->symbols == NULL)
3092 (*_bfd_error_handler) (_("bfd_mach_o_read_symtab_symbols: unable to allocate memory for symbols"));
3096 if (!bfd_mach_o_read_symtab_strtab (abfd))
3099 for (i = 0; i < sym->nsyms; i++)
3101 if (!bfd_mach_o_read_symtab_symbol (abfd, sym, &sym->symbols[i], i))
3109 bfd_mach_o_i386_flavour_string (unsigned int flavour)
3111 switch ((int) flavour)
3113 case BFD_MACH_O_x86_THREAD_STATE32: return "x86_THREAD_STATE32";
3114 case BFD_MACH_O_x86_FLOAT_STATE32: return "x86_FLOAT_STATE32";
3115 case BFD_MACH_O_x86_EXCEPTION_STATE32: return "x86_EXCEPTION_STATE32";
3116 case BFD_MACH_O_x86_THREAD_STATE64: return "x86_THREAD_STATE64";
3117 case BFD_MACH_O_x86_FLOAT_STATE64: return "x86_FLOAT_STATE64";
3118 case BFD_MACH_O_x86_EXCEPTION_STATE64: return "x86_EXCEPTION_STATE64";
3119 case BFD_MACH_O_x86_THREAD_STATE: return "x86_THREAD_STATE";
3120 case BFD_MACH_O_x86_FLOAT_STATE: return "x86_FLOAT_STATE";
3121 case BFD_MACH_O_x86_EXCEPTION_STATE: return "x86_EXCEPTION_STATE";
3122 case BFD_MACH_O_x86_DEBUG_STATE32: return "x86_DEBUG_STATE32";
3123 case BFD_MACH_O_x86_DEBUG_STATE64: return "x86_DEBUG_STATE64";
3124 case BFD_MACH_O_x86_DEBUG_STATE: return "x86_DEBUG_STATE";
3125 case BFD_MACH_O_x86_THREAD_STATE_NONE: return "x86_THREAD_STATE_NONE";
3126 default: return "UNKNOWN";
3131 bfd_mach_o_ppc_flavour_string (unsigned int flavour)
3133 switch ((int) flavour)
3135 case BFD_MACH_O_PPC_THREAD_STATE: return "PPC_THREAD_STATE";
3136 case BFD_MACH_O_PPC_FLOAT_STATE: return "PPC_FLOAT_STATE";
3137 case BFD_MACH_O_PPC_EXCEPTION_STATE: return "PPC_EXCEPTION_STATE";
3138 case BFD_MACH_O_PPC_VECTOR_STATE: return "PPC_VECTOR_STATE";
3139 case BFD_MACH_O_PPC_THREAD_STATE64: return "PPC_THREAD_STATE64";
3140 case BFD_MACH_O_PPC_EXCEPTION_STATE64: return "PPC_EXCEPTION_STATE64";
3141 default: return "UNKNOWN";
3146 bfd_mach_o_read_dylinker (bfd *abfd, bfd_mach_o_load_command *command)
3148 bfd_mach_o_dylinker_command *cmd = &command->command.dylinker;
3149 struct mach_o_str_command_external raw;
3150 unsigned int nameoff;
3152 BFD_ASSERT ((command->type == BFD_MACH_O_LC_ID_DYLINKER)
3153 || (command->type == BFD_MACH_O_LC_LOAD_DYLINKER));
3155 if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0
3156 || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw))
3159 nameoff = bfd_h_get_32 (abfd, raw.str);
3161 cmd->name_offset = command->offset + nameoff;
3162 cmd->name_len = command->len - nameoff;
3163 cmd->name_str = bfd_alloc (abfd, cmd->name_len);
3164 if (cmd->name_str == NULL)
3166 if (bfd_seek (abfd, cmd->name_offset, SEEK_SET) != 0
3167 || bfd_bread (cmd->name_str, cmd->name_len, abfd) != cmd->name_len)
3173 bfd_mach_o_read_dylib (bfd *abfd, bfd_mach_o_load_command *command)
3175 bfd_mach_o_dylib_command *cmd = &command->command.dylib;
3176 struct mach_o_dylib_command_external raw;
3177 unsigned int nameoff;
3179 switch (command->type)
3181 case BFD_MACH_O_LC_LOAD_DYLIB:
3182 case BFD_MACH_O_LC_LAZY_LOAD_DYLIB:
3183 case BFD_MACH_O_LC_LOAD_WEAK_DYLIB:
3184 case BFD_MACH_O_LC_ID_DYLIB:
3185 case BFD_MACH_O_LC_REEXPORT_DYLIB:
3186 case BFD_MACH_O_LC_LOAD_UPWARD_DYLIB:
3193 if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0
3194 || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw))
3197 nameoff = bfd_h_get_32 (abfd, raw.name);
3198 cmd->timestamp = bfd_h_get_32 (abfd, raw.timestamp);
3199 cmd->current_version = bfd_h_get_32 (abfd, raw.current_version);
3200 cmd->compatibility_version = bfd_h_get_32 (abfd, raw.compatibility_version);
3202 cmd->name_offset = command->offset + nameoff;
3203 cmd->name_len = command->len - nameoff;
3204 cmd->name_str = bfd_alloc (abfd, cmd->name_len);
3205 if (cmd->name_str == NULL)
3207 if (bfd_seek (abfd, cmd->name_offset, SEEK_SET) != 0
3208 || bfd_bread (cmd->name_str, cmd->name_len, abfd) != cmd->name_len)
3214 bfd_mach_o_read_prebound_dylib (bfd *abfd ATTRIBUTE_UNUSED,
3215 bfd_mach_o_load_command *command ATTRIBUTE_UNUSED)
3217 /* bfd_mach_o_prebound_dylib_command *cmd = &command->command.prebound_dylib; */
3219 BFD_ASSERT (command->type == BFD_MACH_O_LC_PREBOUND_DYLIB);
3224 bfd_mach_o_read_fvmlib (bfd *abfd, bfd_mach_o_load_command *command)
3226 bfd_mach_o_fvmlib_command *fvm = &command->command.fvmlib;
3227 struct mach_o_fvmlib_command_external raw;
3228 unsigned int nameoff;
3230 if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0
3231 || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw))
3234 nameoff = bfd_h_get_32 (abfd, raw.name);
3235 fvm->minor_version = bfd_h_get_32 (abfd, raw.minor_version);
3236 fvm->header_addr = bfd_h_get_32 (abfd, raw.header_addr);
3238 fvm->name_offset = command->offset + nameoff;
3239 fvm->name_len = command->len - nameoff;
3240 fvm->name_str = bfd_alloc (abfd, fvm->name_len);
3241 if (fvm->name_str == NULL)
3243 if (bfd_seek (abfd, fvm->name_offset, SEEK_SET) != 0
3244 || bfd_bread (fvm->name_str, fvm->name_len, abfd) != fvm->name_len)
3250 bfd_mach_o_read_thread (bfd *abfd, bfd_mach_o_load_command *command)
3252 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
3253 bfd_mach_o_thread_command *cmd = &command->command.thread;
3254 unsigned int offset;
3255 unsigned int nflavours;
3258 BFD_ASSERT ((command->type == BFD_MACH_O_LC_THREAD)
3259 || (command->type == BFD_MACH_O_LC_UNIXTHREAD));
3261 /* Count the number of threads. */
3264 while (offset != command->len)
3266 struct mach_o_thread_command_external raw;
3268 if (offset >= command->len)
3271 if (bfd_seek (abfd, command->offset + offset, SEEK_SET) != 0
3272 || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw))
3275 offset += sizeof (raw) + bfd_h_get_32 (abfd, raw.count) * 4;
3279 /* Allocate threads. */
3280 cmd->flavours = bfd_alloc
3281 (abfd, nflavours * sizeof (bfd_mach_o_thread_flavour));
3282 if (cmd->flavours == NULL)
3284 cmd->nflavours = nflavours;
3288 while (offset != command->len)
3290 struct mach_o_thread_command_external raw;
3292 if (offset >= command->len)
3295 if (nflavours >= cmd->nflavours)
3298 if (bfd_seek (abfd, command->offset + offset, SEEK_SET) != 0
3299 || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw))
3302 cmd->flavours[nflavours].flavour = bfd_h_get_32 (abfd, raw.flavour);
3303 cmd->flavours[nflavours].offset = command->offset + offset + sizeof (raw);
3304 cmd->flavours[nflavours].size = bfd_h_get_32 (abfd, raw.count) * 4;
3305 offset += cmd->flavours[nflavours].size + sizeof (raw);
3309 for (i = 0; i < nflavours; i++)
3312 unsigned int snamelen;
3314 const char *flavourstr;
3315 const char *prefix = "LC_THREAD";
3318 switch (mdata->header.cputype)
3320 case BFD_MACH_O_CPU_TYPE_POWERPC:
3321 case BFD_MACH_O_CPU_TYPE_POWERPC_64:
3322 flavourstr = bfd_mach_o_ppc_flavour_string (cmd->flavours[i].flavour);
3324 case BFD_MACH_O_CPU_TYPE_I386:
3325 case BFD_MACH_O_CPU_TYPE_X86_64:
3326 flavourstr = bfd_mach_o_i386_flavour_string (cmd->flavours[i].flavour);
3329 flavourstr = "UNKNOWN_ARCHITECTURE";
3333 snamelen = strlen (prefix) + 1 + 20 + 1 + strlen (flavourstr) + 1;
3334 sname = bfd_alloc (abfd, snamelen);
3340 sprintf (sname, "%s.%s.%u", prefix, flavourstr, j);
3341 if (bfd_get_section_by_name (abfd, sname) == NULL)
3346 bfdsec = bfd_make_section_with_flags (abfd, sname, SEC_HAS_CONTENTS);
3350 bfdsec->size = cmd->flavours[i].size;
3351 bfdsec->filepos = cmd->flavours[i].offset;
3352 bfdsec->alignment_power = 0x0;
3354 cmd->section = bfdsec;
3361 bfd_mach_o_read_dysymtab (bfd *abfd, bfd_mach_o_load_command *command)
3363 bfd_mach_o_dysymtab_command *cmd = &command->command.dysymtab;
3364 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
3366 BFD_ASSERT (command->type == BFD_MACH_O_LC_DYSYMTAB);
3369 struct mach_o_dysymtab_command_external raw;
3371 if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0
3372 || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw))
3375 cmd->ilocalsym = bfd_h_get_32 (abfd, raw.ilocalsym);
3376 cmd->nlocalsym = bfd_h_get_32 (abfd, raw.nlocalsym);
3377 cmd->iextdefsym = bfd_h_get_32 (abfd, raw.iextdefsym);
3378 cmd->nextdefsym = bfd_h_get_32 (abfd, raw.nextdefsym);
3379 cmd->iundefsym = bfd_h_get_32 (abfd, raw.iundefsym);
3380 cmd->nundefsym = bfd_h_get_32 (abfd, raw.nundefsym);
3381 cmd->tocoff = bfd_h_get_32 (abfd, raw.tocoff);
3382 cmd->ntoc = bfd_h_get_32 (abfd, raw.ntoc);
3383 cmd->modtaboff = bfd_h_get_32 (abfd, raw.modtaboff);
3384 cmd->nmodtab = bfd_h_get_32 (abfd, raw.nmodtab);
3385 cmd->extrefsymoff = bfd_h_get_32 (abfd, raw.extrefsymoff);
3386 cmd->nextrefsyms = bfd_h_get_32 (abfd, raw.nextrefsyms);
3387 cmd->indirectsymoff = bfd_h_get_32 (abfd, raw.indirectsymoff);
3388 cmd->nindirectsyms = bfd_h_get_32 (abfd, raw.nindirectsyms);
3389 cmd->extreloff = bfd_h_get_32 (abfd, raw.extreloff);
3390 cmd->nextrel = bfd_h_get_32 (abfd, raw.nextrel);
3391 cmd->locreloff = bfd_h_get_32 (abfd, raw.locreloff);
3392 cmd->nlocrel = bfd_h_get_32 (abfd, raw.nlocrel);
3395 if (cmd->nmodtab != 0)
3398 int wide = bfd_mach_o_wide_p (abfd);
3399 unsigned int module_len = wide ? 56 : 52;
3402 bfd_alloc (abfd, cmd->nmodtab * sizeof (bfd_mach_o_dylib_module));
3403 if (cmd->dylib_module == NULL)
3406 if (bfd_seek (abfd, cmd->modtaboff, SEEK_SET) != 0)
3409 for (i = 0; i < cmd->nmodtab; i++)
3411 bfd_mach_o_dylib_module *module = &cmd->dylib_module[i];
3413 unsigned char buf[56];
3415 if (bfd_bread ((void *) buf, module_len, abfd) != module_len)
3418 module->module_name_idx = bfd_h_get_32 (abfd, buf + 0);
3419 module->iextdefsym = bfd_h_get_32 (abfd, buf + 4);
3420 module->nextdefsym = bfd_h_get_32 (abfd, buf + 8);
3421 module->irefsym = bfd_h_get_32 (abfd, buf + 12);
3422 module->nrefsym = bfd_h_get_32 (abfd, buf + 16);
3423 module->ilocalsym = bfd_h_get_32 (abfd, buf + 20);
3424 module->nlocalsym = bfd_h_get_32 (abfd, buf + 24);
3425 module->iextrel = bfd_h_get_32 (abfd, buf + 28);
3426 module->nextrel = bfd_h_get_32 (abfd, buf + 32);
3427 v = bfd_h_get_32 (abfd, buf +36);
3428 module->iinit = v & 0xffff;
3429 module->iterm = (v >> 16) & 0xffff;
3430 v = bfd_h_get_32 (abfd, buf + 40);
3431 module->ninit = v & 0xffff;
3432 module->nterm = (v >> 16) & 0xffff;
3435 module->objc_module_info_size = bfd_h_get_32 (abfd, buf + 44);
3436 module->objc_module_info_addr = bfd_h_get_64 (abfd, buf + 48);
3440 module->objc_module_info_addr = bfd_h_get_32 (abfd, buf + 44);
3441 module->objc_module_info_size = bfd_h_get_32 (abfd, buf + 48);
3450 cmd->dylib_toc = bfd_alloc
3451 (abfd, cmd->ntoc * sizeof (bfd_mach_o_dylib_table_of_content));
3452 if (cmd->dylib_toc == NULL)
3455 if (bfd_seek (abfd, cmd->tocoff, SEEK_SET) != 0)
3458 for (i = 0; i < cmd->ntoc; i++)
3460 struct mach_o_dylib_table_of_contents_external raw;
3461 bfd_mach_o_dylib_table_of_content *toc = &cmd->dylib_toc[i];
3463 if (bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw))
3466 toc->symbol_index = bfd_h_get_32 (abfd, raw.symbol_index);
3467 toc->module_index = bfd_h_get_32 (abfd, raw.module_index);
3471 if (cmd->nindirectsyms != 0)
3475 cmd->indirect_syms = bfd_alloc
3476 (abfd, cmd->nindirectsyms * sizeof (unsigned int));
3477 if (cmd->indirect_syms == NULL)
3480 if (bfd_seek (abfd, cmd->indirectsymoff, SEEK_SET) != 0)
3483 for (i = 0; i < cmd->nindirectsyms; i++)
3485 unsigned char raw[4];
3486 unsigned int *is = &cmd->indirect_syms[i];
3488 if (bfd_bread (raw, sizeof (raw), abfd) != sizeof (raw))
3491 *is = bfd_h_get_32 (abfd, raw);
3495 if (cmd->nextrefsyms != 0)
3500 cmd->ext_refs = bfd_alloc
3501 (abfd, cmd->nextrefsyms * sizeof (bfd_mach_o_dylib_reference));
3502 if (cmd->ext_refs == NULL)
3505 if (bfd_seek (abfd, cmd->extrefsymoff, SEEK_SET) != 0)
3508 for (i = 0; i < cmd->nextrefsyms; i++)
3510 unsigned char raw[4];
3511 bfd_mach_o_dylib_reference *ref = &cmd->ext_refs[i];
3513 if (bfd_bread (raw, sizeof (raw), abfd) != sizeof (raw))
3516 /* Fields isym and flags are written as bit-fields, thus we need
3517 a specific processing for endianness. */
3518 v = bfd_h_get_32 (abfd, raw);
3519 if (bfd_big_endian (abfd))
3521 ref->isym = (v >> 8) & 0xffffff;
3522 ref->flags = v & 0xff;
3526 ref->isym = v & 0xffffff;
3527 ref->flags = (v >> 24) & 0xff;
3532 if (mdata->dysymtab)
3534 mdata->dysymtab = cmd;
3540 bfd_mach_o_read_symtab (bfd *abfd, bfd_mach_o_load_command *command)
3542 bfd_mach_o_symtab_command *symtab = &command->command.symtab;
3543 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
3544 struct mach_o_symtab_command_external raw;
3546 BFD_ASSERT (command->type == BFD_MACH_O_LC_SYMTAB);
3548 if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0
3549 || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw))
3552 symtab->symoff = bfd_h_get_32 (abfd, raw.symoff);
3553 symtab->nsyms = bfd_h_get_32 (abfd, raw.nsyms);
3554 symtab->stroff = bfd_h_get_32 (abfd, raw.stroff);
3555 symtab->strsize = bfd_h_get_32 (abfd, raw.strsize);
3556 symtab->symbols = NULL;
3557 symtab->strtab = NULL;
3559 if (symtab->nsyms != 0)
3560 abfd->flags |= HAS_SYMS;
3564 mdata->symtab = symtab;
3569 bfd_mach_o_read_uuid (bfd *abfd, bfd_mach_o_load_command *command)
3571 bfd_mach_o_uuid_command *cmd = &command->command.uuid;
3573 BFD_ASSERT (command->type == BFD_MACH_O_LC_UUID);
3575 if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0
3576 || bfd_bread (cmd->uuid, 16, abfd) != 16)
3583 bfd_mach_o_read_linkedit (bfd *abfd, bfd_mach_o_load_command *command)
3585 bfd_mach_o_linkedit_command *cmd = &command->command.linkedit;
3586 struct mach_o_linkedit_data_command_external raw;
3588 if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0
3589 || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw))
3592 cmd->dataoff = bfd_get_32 (abfd, raw.dataoff);
3593 cmd->datasize = bfd_get_32 (abfd, raw.datasize);
3598 bfd_mach_o_read_str (bfd *abfd, bfd_mach_o_load_command *command)
3600 bfd_mach_o_str_command *cmd = &command->command.str;
3601 struct mach_o_str_command_external raw;
3604 if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0
3605 || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw))
3608 off = bfd_get_32 (abfd, raw.str);
3609 cmd->stroff = command->offset + off;
3610 cmd->str_len = command->len - off;
3611 cmd->str = bfd_alloc (abfd, cmd->str_len);
3612 if (cmd->str == NULL)
3614 if (bfd_seek (abfd, cmd->stroff, SEEK_SET) != 0
3615 || bfd_bread ((void *) cmd->str, cmd->str_len, abfd) != cmd->str_len)
3621 bfd_mach_o_read_dyld_info (bfd *abfd, bfd_mach_o_load_command *command)
3623 bfd_mach_o_dyld_info_command *cmd = &command->command.dyld_info;
3624 struct mach_o_dyld_info_command_external raw;
3626 if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0
3627 || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw))
3630 cmd->rebase_off = bfd_get_32 (abfd, raw.rebase_off);
3631 cmd->rebase_size = bfd_get_32 (abfd, raw.rebase_size);
3632 cmd->bind_off = bfd_get_32 (abfd, raw.bind_off);
3633 cmd->bind_size = bfd_get_32 (abfd, raw.bind_size);
3634 cmd->weak_bind_off = bfd_get_32 (abfd, raw.weak_bind_off);
3635 cmd->weak_bind_size = bfd_get_32 (abfd, raw.weak_bind_size);
3636 cmd->lazy_bind_off = bfd_get_32 (abfd, raw.lazy_bind_off);
3637 cmd->lazy_bind_size = bfd_get_32 (abfd, raw.lazy_bind_size);
3638 cmd->export_off = bfd_get_32 (abfd, raw.export_off);
3639 cmd->export_size = bfd_get_32 (abfd, raw.export_size);
3644 bfd_mach_o_read_version_min (bfd *abfd, bfd_mach_o_load_command *command)
3646 bfd_mach_o_version_min_command *cmd = &command->command.version_min;
3647 struct mach_o_version_min_command_external raw;
3650 if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0
3651 || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw))
3654 ver = bfd_get_32 (abfd, raw.version);
3655 cmd->rel = ver >> 16;
3656 cmd->maj = ver >> 8;
3658 cmd->reserved = bfd_get_32 (abfd, raw.reserved);
3663 bfd_mach_o_read_encryption_info (bfd *abfd, bfd_mach_o_load_command *command)
3665 bfd_mach_o_encryption_info_command *cmd = &command->command.encryption_info;
3666 struct mach_o_encryption_info_command_external raw;
3668 if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0
3669 || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw))
3672 cmd->cryptoff = bfd_get_32 (abfd, raw.cryptoff);
3673 cmd->cryptsize = bfd_get_32 (abfd, raw.cryptsize);
3674 cmd->cryptid = bfd_get_32 (abfd, raw.cryptid);
3679 bfd_mach_o_read_main (bfd *abfd, bfd_mach_o_load_command *command)
3681 bfd_mach_o_main_command *cmd = &command->command.main;
3682 struct mach_o_entry_point_command_external raw;
3684 if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0
3685 || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw))
3688 cmd->entryoff = bfd_get_64 (abfd, raw.entryoff);
3689 cmd->stacksize = bfd_get_64 (abfd, raw.stacksize);
3694 bfd_mach_o_read_source_version (bfd *abfd, bfd_mach_o_load_command *command)
3696 bfd_mach_o_source_version_command *cmd = &command->command.source_version;
3697 struct mach_o_source_version_command_external raw;
3700 if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0
3701 || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw))
3704 ver = bfd_get_64 (abfd, raw.version);
3705 /* Note: we use a serie of shift to avoid shift > 32 (for which gcc
3706 generates warnings) in case of the host doesn't support 64 bit
3708 cmd->e = ver & 0x3ff;
3710 cmd->d = ver & 0x3ff;
3712 cmd->c = ver & 0x3ff;
3714 cmd->b = ver & 0x3ff;
3716 cmd->a = ver & 0xffffff;
3721 bfd_mach_o_read_segment (bfd *abfd,
3722 bfd_mach_o_load_command *command,
3725 bfd_mach_o_segment_command *seg = &command->command.segment;
3730 struct mach_o_segment_command_64_external raw;
3732 BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT_64);
3734 if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0
3735 || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw))
3738 memcpy (seg->segname, raw.segname, 16);
3739 seg->segname[16] = '\0';
3741 seg->vmaddr = bfd_h_get_64 (abfd, raw.vmaddr);
3742 seg->vmsize = bfd_h_get_64 (abfd, raw.vmsize);
3743 seg->fileoff = bfd_h_get_64 (abfd, raw.fileoff);
3744 seg->filesize = bfd_h_get_64 (abfd, raw.filesize);
3745 seg->maxprot = bfd_h_get_32 (abfd, raw.maxprot);
3746 seg->initprot = bfd_h_get_32 (abfd, raw.initprot);
3747 seg->nsects = bfd_h_get_32 (abfd, raw.nsects);
3748 seg->flags = bfd_h_get_32 (abfd, raw.flags);
3752 struct mach_o_segment_command_32_external raw;
3754 BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT);
3756 if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0
3757 || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw))
3760 memcpy (seg->segname, raw.segname, 16);
3761 seg->segname[16] = '\0';
3763 seg->vmaddr = bfd_h_get_32 (abfd, raw.vmaddr);
3764 seg->vmsize = bfd_h_get_32 (abfd, raw.vmsize);
3765 seg->fileoff = bfd_h_get_32 (abfd, raw.fileoff);
3766 seg->filesize = bfd_h_get_32 (abfd, raw.filesize);
3767 seg->maxprot = bfd_h_get_32 (abfd, raw.maxprot);
3768 seg->initprot = bfd_h_get_32 (abfd, raw.initprot);
3769 seg->nsects = bfd_h_get_32 (abfd, raw.nsects);
3770 seg->flags = bfd_h_get_32 (abfd, raw.flags);
3772 seg->sect_head = NULL;
3773 seg->sect_tail = NULL;
3775 for (i = 0; i < seg->nsects; i++)
3781 segoff = command->offset + BFD_MACH_O_LC_SEGMENT_64_SIZE
3782 + (i * BFD_MACH_O_SECTION_64_SIZE);
3784 segoff = command->offset + BFD_MACH_O_LC_SEGMENT_SIZE
3785 + (i * BFD_MACH_O_SECTION_SIZE);
3787 sec = bfd_mach_o_read_section (abfd, segoff, seg->initprot, wide);
3791 bfd_mach_o_append_section_to_segment (seg, sec);
3798 bfd_mach_o_read_segment_32 (bfd *abfd, bfd_mach_o_load_command *command)
3800 return bfd_mach_o_read_segment (abfd, command, 0);
3804 bfd_mach_o_read_segment_64 (bfd *abfd, bfd_mach_o_load_command *command)
3806 return bfd_mach_o_read_segment (abfd, command, 1);
3810 bfd_mach_o_read_command (bfd *abfd, bfd_mach_o_load_command *command)
3812 struct mach_o_load_command_external raw;
3815 /* Read command type and length. */
3816 if (bfd_seek (abfd, command->offset, SEEK_SET) != 0
3817 || bfd_bread (&raw, BFD_MACH_O_LC_SIZE, abfd) != BFD_MACH_O_LC_SIZE)
3820 cmd = bfd_h_get_32 (abfd, raw.cmd);
3821 command->type = cmd & ~BFD_MACH_O_LC_REQ_DYLD;
3822 command->type_required = cmd & BFD_MACH_O_LC_REQ_DYLD ? TRUE : FALSE;
3823 command->len = bfd_h_get_32 (abfd, raw.cmdsize);
3825 switch (command->type)
3827 case BFD_MACH_O_LC_SEGMENT:
3828 if (bfd_mach_o_read_segment_32 (abfd, command) != 0)
3831 case BFD_MACH_O_LC_SEGMENT_64:
3832 if (bfd_mach_o_read_segment_64 (abfd, command) != 0)
3835 case BFD_MACH_O_LC_SYMTAB:
3836 if (bfd_mach_o_read_symtab (abfd, command) != 0)
3839 case BFD_MACH_O_LC_SYMSEG:
3841 case BFD_MACH_O_LC_THREAD:
3842 case BFD_MACH_O_LC_UNIXTHREAD:
3843 if (bfd_mach_o_read_thread (abfd, command) != 0)
3846 case BFD_MACH_O_LC_LOAD_DYLINKER:
3847 case BFD_MACH_O_LC_ID_DYLINKER:
3848 if (bfd_mach_o_read_dylinker (abfd, command) != 0)
3851 case BFD_MACH_O_LC_LOAD_DYLIB:
3852 case BFD_MACH_O_LC_LAZY_LOAD_DYLIB:
3853 case BFD_MACH_O_LC_ID_DYLIB:
3854 case BFD_MACH_O_LC_LOAD_WEAK_DYLIB:
3855 case BFD_MACH_O_LC_REEXPORT_DYLIB:
3856 case BFD_MACH_O_LC_LOAD_UPWARD_DYLIB:
3857 if (bfd_mach_o_read_dylib (abfd, command) != 0)
3860 case BFD_MACH_O_LC_PREBOUND_DYLIB:
3861 if (bfd_mach_o_read_prebound_dylib (abfd, command) != 0)
3864 case BFD_MACH_O_LC_LOADFVMLIB:
3865 case BFD_MACH_O_LC_IDFVMLIB:
3866 if (bfd_mach_o_read_fvmlib (abfd, command) != 0)
3869 case BFD_MACH_O_LC_IDENT:
3870 case BFD_MACH_O_LC_FVMFILE:
3871 case BFD_MACH_O_LC_PREPAGE:
3872 case BFD_MACH_O_LC_ROUTINES:
3873 case BFD_MACH_O_LC_ROUTINES_64:
3875 case BFD_MACH_O_LC_SUB_FRAMEWORK:
3876 case BFD_MACH_O_LC_SUB_UMBRELLA:
3877 case BFD_MACH_O_LC_SUB_LIBRARY:
3878 case BFD_MACH_O_LC_SUB_CLIENT:
3879 case BFD_MACH_O_LC_RPATH:
3880 if (bfd_mach_o_read_str (abfd, command) != 0)
3883 case BFD_MACH_O_LC_DYSYMTAB:
3884 if (bfd_mach_o_read_dysymtab (abfd, command) != 0)
3887 case BFD_MACH_O_LC_TWOLEVEL_HINTS:
3888 case BFD_MACH_O_LC_PREBIND_CKSUM:
3890 case BFD_MACH_O_LC_UUID:
3891 if (bfd_mach_o_read_uuid (abfd, command) != 0)
3894 case BFD_MACH_O_LC_CODE_SIGNATURE:
3895 case BFD_MACH_O_LC_SEGMENT_SPLIT_INFO:
3896 case BFD_MACH_O_LC_FUNCTION_STARTS:
3897 case BFD_MACH_O_LC_DATA_IN_CODE:
3898 case BFD_MACH_O_LC_DYLIB_CODE_SIGN_DRS:
3899 if (bfd_mach_o_read_linkedit (abfd, command) != 0)
3902 case BFD_MACH_O_LC_ENCRYPTION_INFO:
3903 if (!bfd_mach_o_read_encryption_info (abfd, command))
3906 case BFD_MACH_O_LC_DYLD_INFO:
3907 if (bfd_mach_o_read_dyld_info (abfd, command) != 0)
3910 case BFD_MACH_O_LC_VERSION_MIN_MACOSX:
3911 case BFD_MACH_O_LC_VERSION_MIN_IPHONEOS:
3912 if (!bfd_mach_o_read_version_min (abfd, command))
3915 case BFD_MACH_O_LC_MAIN:
3916 if (!bfd_mach_o_read_main (abfd, command))
3919 case BFD_MACH_O_LC_SOURCE_VERSION:
3920 if (!bfd_mach_o_read_source_version (abfd, command))
3924 (*_bfd_error_handler)(_("%B: unknown load command 0x%lx"),
3925 abfd, (unsigned long) command->type);
3933 bfd_mach_o_flatten_sections (bfd *abfd)
3935 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
3939 /* Count total number of sections. */
3942 for (i = 0; i < mdata->header.ncmds; i++)
3944 if (mdata->commands[i].type == BFD_MACH_O_LC_SEGMENT
3945 || mdata->commands[i].type == BFD_MACH_O_LC_SEGMENT_64)
3947 bfd_mach_o_segment_command *seg;
3949 seg = &mdata->commands[i].command.segment;
3950 mdata->nsects += seg->nsects;
3954 /* Allocate sections array. */
3955 mdata->sections = bfd_alloc (abfd,
3956 mdata->nsects * sizeof (bfd_mach_o_section *));
3958 /* Fill the array. */
3961 for (i = 0; i < mdata->header.ncmds; i++)
3963 if (mdata->commands[i].type == BFD_MACH_O_LC_SEGMENT
3964 || mdata->commands[i].type == BFD_MACH_O_LC_SEGMENT_64)
3966 bfd_mach_o_segment_command *seg;
3967 bfd_mach_o_section *sec;
3969 seg = &mdata->commands[i].command.segment;
3970 BFD_ASSERT (csect + seg->nsects <= mdata->nsects);
3972 for (sec = seg->sect_head; sec != NULL; sec = sec->next)
3973 mdata->sections[csect++] = sec;
3979 bfd_mach_o_scan_start_address (bfd *abfd)
3981 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
3982 bfd_mach_o_thread_command *cmd = NULL;
3985 for (i = 0; i < mdata->header.ncmds; i++)
3986 if ((mdata->commands[i].type == BFD_MACH_O_LC_THREAD) ||
3987 (mdata->commands[i].type == BFD_MACH_O_LC_UNIXTHREAD))
3989 cmd = &mdata->commands[i].command.thread;
3992 else if (mdata->commands[i].type == BFD_MACH_O_LC_MAIN
3993 && mdata->nsects > 1)
3995 bfd_mach_o_main_command *main_cmd = &mdata->commands[i].command.main;
3996 bfd_mach_o_section *text_sect = mdata->sections[0];
3999 abfd->start_address = main_cmd->entryoff
4000 + (text_sect->addr - text_sect->offset);
4005 /* An object file has no start address, so do not fail if not found. */
4009 /* FIXME: create a subtarget hook ? */
4010 for (i = 0; i < cmd->nflavours; i++)
4012 if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_I386)
4013 && (cmd->flavours[i].flavour
4014 == (unsigned long) BFD_MACH_O_x86_THREAD_STATE32))
4016 unsigned char buf[4];
4018 if (bfd_seek (abfd, cmd->flavours[i].offset + 40, SEEK_SET) != 0
4019 || bfd_bread (buf, 4, abfd) != 4)
4022 abfd->start_address = bfd_h_get_32 (abfd, buf);
4024 else if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_POWERPC)
4025 && (cmd->flavours[i].flavour == BFD_MACH_O_PPC_THREAD_STATE))
4027 unsigned char buf[4];
4029 if (bfd_seek (abfd, cmd->flavours[i].offset + 0, SEEK_SET) != 0
4030 || bfd_bread (buf, 4, abfd) != 4)
4033 abfd->start_address = bfd_h_get_32 (abfd, buf);
4035 else if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_POWERPC_64)
4036 && (cmd->flavours[i].flavour == BFD_MACH_O_PPC_THREAD_STATE64))
4038 unsigned char buf[8];
4040 if (bfd_seek (abfd, cmd->flavours[i].offset + 0, SEEK_SET) != 0
4041 || bfd_bread (buf, 8, abfd) != 8)
4044 abfd->start_address = bfd_h_get_64 (abfd, buf);
4046 else if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_X86_64)
4047 && (cmd->flavours[i].flavour == BFD_MACH_O_x86_THREAD_STATE64))
4049 unsigned char buf[8];
4051 if (bfd_seek (abfd, cmd->flavours[i].offset + (16 * 8), SEEK_SET) != 0
4052 || bfd_bread (buf, 8, abfd) != 8)
4055 abfd->start_address = bfd_h_get_64 (abfd, buf);
4063 bfd_mach_o_set_arch_mach (bfd *abfd,
4064 enum bfd_architecture arch,
4065 unsigned long machine)
4067 bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd);
4069 /* If this isn't the right architecture for this backend, and this
4070 isn't the generic backend, fail. */
4071 if (arch != bed->arch
4072 && arch != bfd_arch_unknown
4073 && bed->arch != bfd_arch_unknown)
4076 return bfd_default_set_arch_mach (abfd, arch, machine);
4080 bfd_mach_o_scan (bfd *abfd,
4081 bfd_mach_o_header *header,
4082 bfd_mach_o_data_struct *mdata)
4085 enum bfd_architecture cputype;
4086 unsigned long cpusubtype;
4087 unsigned int hdrsize;
4089 hdrsize = mach_o_wide_p (header) ?
4090 BFD_MACH_O_HEADER_64_SIZE : BFD_MACH_O_HEADER_SIZE;
4092 mdata->header = *header;
4094 abfd->flags = abfd->flags & BFD_IN_MEMORY;
4095 switch (header->filetype)
4097 case BFD_MACH_O_MH_OBJECT:
4098 abfd->flags |= HAS_RELOC;
4100 case BFD_MACH_O_MH_EXECUTE:
4101 abfd->flags |= EXEC_P;
4103 case BFD_MACH_O_MH_DYLIB:
4104 case BFD_MACH_O_MH_BUNDLE:
4105 abfd->flags |= DYNAMIC;
4109 abfd->tdata.mach_o_data = mdata;
4111 bfd_mach_o_convert_architecture (header->cputype, header->cpusubtype,
4112 &cputype, &cpusubtype);
4113 if (cputype == bfd_arch_unknown)
4115 (*_bfd_error_handler)
4116 (_("bfd_mach_o_scan: unknown architecture 0x%lx/0x%lx"),
4117 header->cputype, header->cpusubtype);
4121 bfd_set_arch_mach (abfd, cputype, cpusubtype);
4123 if (header->ncmds != 0)
4125 mdata->commands = bfd_alloc
4126 (abfd, header->ncmds * sizeof (bfd_mach_o_load_command));
4127 if (mdata->commands == NULL)
4130 for (i = 0; i < header->ncmds; i++)
4132 bfd_mach_o_load_command *cur = &mdata->commands[i];
4135 cur->offset = hdrsize;
4138 bfd_mach_o_load_command *prev = &mdata->commands[i - 1];
4139 cur->offset = prev->offset + prev->len;
4142 if (bfd_mach_o_read_command (abfd, cur) < 0)
4147 /* Sections should be flatten before scanning start address. */
4148 bfd_mach_o_flatten_sections (abfd);
4149 if (!bfd_mach_o_scan_start_address (abfd))
4156 bfd_mach_o_mkobject_init (bfd *abfd)
4158 bfd_mach_o_data_struct *mdata = NULL;
4160 mdata = bfd_zalloc (abfd, sizeof (bfd_mach_o_data_struct));
4163 abfd->tdata.mach_o_data = mdata;
4165 mdata->header.magic = 0;
4166 mdata->header.cputype = 0;
4167 mdata->header.cpusubtype = 0;
4168 mdata->header.filetype = 0;
4169 mdata->header.ncmds = 0;
4170 mdata->header.sizeofcmds = 0;
4171 mdata->header.flags = 0;
4172 mdata->header.byteorder = BFD_ENDIAN_UNKNOWN;
4173 mdata->commands = NULL;
4175 mdata->sections = NULL;
4176 mdata->dyn_reloc_cache = NULL;
4182 bfd_mach_o_gen_mkobject (bfd *abfd)
4184 bfd_mach_o_data_struct *mdata;
4186 if (!bfd_mach_o_mkobject_init (abfd))
4189 mdata = bfd_mach_o_get_data (abfd);
4190 mdata->header.magic = BFD_MACH_O_MH_MAGIC;
4191 mdata->header.cputype = 0;
4192 mdata->header.cpusubtype = 0;
4193 mdata->header.byteorder = abfd->xvec->byteorder;
4194 mdata->header.version = 1;
4200 bfd_mach_o_header_p (bfd *abfd,
4201 bfd_mach_o_filetype filetype,
4202 bfd_mach_o_cpu_type cputype)
4204 bfd_mach_o_header header;
4205 bfd_mach_o_data_struct *mdata;
4207 if (!bfd_mach_o_read_header (abfd, &header))
4210 if (! (header.byteorder == BFD_ENDIAN_BIG
4211 || header.byteorder == BFD_ENDIAN_LITTLE))
4213 (*_bfd_error_handler) (_("unknown header byte-order value 0x%lx"),
4214 (unsigned long) header.byteorder);
4218 if (! ((header.byteorder == BFD_ENDIAN_BIG
4219 && abfd->xvec->byteorder == BFD_ENDIAN_BIG
4220 && abfd->xvec->header_byteorder == BFD_ENDIAN_BIG)
4221 || (header.byteorder == BFD_ENDIAN_LITTLE
4222 && abfd->xvec->byteorder == BFD_ENDIAN_LITTLE
4223 && abfd->xvec->header_byteorder == BFD_ENDIAN_LITTLE)))
4226 /* Check cputype and filetype.
4227 In case of wildcard, do not accept magics that are handled by existing
4231 if (header.cputype != cputype)
4237 if (header.filetype != filetype)
4242 switch (header.filetype)
4244 case BFD_MACH_O_MH_CORE:
4245 /* Handled by core_p */
4252 mdata = (bfd_mach_o_data_struct *) bfd_zalloc (abfd, sizeof (*mdata));
4256 if (!bfd_mach_o_scan (abfd, &header, mdata))
4262 bfd_set_error (bfd_error_wrong_format);
4268 static const bfd_target *
4269 bfd_mach_o_gen_object_p (bfd *abfd)
4271 return bfd_mach_o_header_p (abfd, 0, 0);
4274 static const bfd_target *
4275 bfd_mach_o_gen_core_p (bfd *abfd)
4277 return bfd_mach_o_header_p (abfd, BFD_MACH_O_MH_CORE, 0);
4280 /* Return the base address of ABFD, ie the address at which the image is
4281 mapped. The possible initial pagezero is ignored. */
4284 bfd_mach_o_get_base_address (bfd *abfd)
4286 bfd_mach_o_data_struct *mdata;
4289 /* Check for Mach-O. */
4290 if (!bfd_mach_o_valid (abfd))
4292 mdata = bfd_mach_o_get_data (abfd);
4294 for (i = 0; i < mdata->header.ncmds; i++)
4296 bfd_mach_o_load_command *cmd = &mdata->commands[i];
4297 if ((cmd->type == BFD_MACH_O_LC_SEGMENT
4298 || cmd->type == BFD_MACH_O_LC_SEGMENT_64))
4300 struct bfd_mach_o_segment_command *segcmd = &cmd->command.segment;
4302 if (segcmd->initprot != 0)
4303 return segcmd->vmaddr;
4309 typedef struct mach_o_fat_archentry
4311 unsigned long cputype;
4312 unsigned long cpusubtype;
4313 unsigned long offset;
4315 unsigned long align;
4316 } mach_o_fat_archentry;
4318 typedef struct mach_o_fat_data_struct
4320 unsigned long magic;
4321 unsigned long nfat_arch;
4322 mach_o_fat_archentry *archentries;
4323 } mach_o_fat_data_struct;
4326 bfd_mach_o_archive_p (bfd *abfd)
4328 mach_o_fat_data_struct *adata = NULL;
4329 struct mach_o_fat_header_external hdr;
4332 if (bfd_seek (abfd, 0, SEEK_SET) != 0
4333 || bfd_bread (&hdr, sizeof (hdr), abfd) != sizeof (hdr))
4336 adata = bfd_alloc (abfd, sizeof (mach_o_fat_data_struct));
4340 adata->magic = bfd_getb32 (hdr.magic);
4341 adata->nfat_arch = bfd_getb32 (hdr.nfat_arch);
4342 if (adata->magic != 0xcafebabe)
4344 /* Avoid matching Java bytecode files, which have the same magic number.
4345 In the Java bytecode file format this field contains the JVM version,
4346 which starts at 43.0. */
4347 if (adata->nfat_arch > 30)
4350 adata->archentries =
4351 bfd_alloc (abfd, adata->nfat_arch * sizeof (mach_o_fat_archentry));
4352 if (adata->archentries == NULL)
4355 for (i = 0; i < adata->nfat_arch; i++)
4357 struct mach_o_fat_arch_external arch;
4358 if (bfd_bread (&arch, sizeof (arch), abfd) != sizeof (arch))
4360 adata->archentries[i].cputype = bfd_getb32 (arch.cputype);
4361 adata->archentries[i].cpusubtype = bfd_getb32 (arch.cpusubtype);
4362 adata->archentries[i].offset = bfd_getb32 (arch.offset);
4363 adata->archentries[i].size = bfd_getb32 (arch.size);
4364 adata->archentries[i].align = bfd_getb32 (arch.align);
4367 abfd->tdata.mach_o_fat_data = adata;
4372 bfd_release (abfd, adata);
4373 bfd_set_error (bfd_error_wrong_format);
4377 /* Set the filename for a fat binary member ABFD, whose bfd architecture is
4378 ARCH_TYPE/ARCH_SUBTYPE and corresponding entry in header is ENTRY.
4379 Set arelt_data and origin fields too. */
4382 bfd_mach_o_fat_member_init (bfd *abfd,
4383 enum bfd_architecture arch_type,
4384 unsigned long arch_subtype,
4385 mach_o_fat_archentry *entry)
4387 struct areltdata *areltdata;
4388 /* Create the member filename. Use ARCH_NAME. */
4389 const bfd_arch_info_type *ap = bfd_lookup_arch (arch_type, arch_subtype);
4393 /* Use the architecture name if known. */
4394 abfd->filename = xstrdup (ap->printable_name);
4398 /* Forge a uniq id. */
4399 const size_t namelen = 2 + 8 + 1 + 2 + 8 + 1;
4400 char *name = xmalloc (namelen);
4401 snprintf (name, namelen, "0x%lx-0x%lx",
4402 entry->cputype, entry->cpusubtype);
4403 abfd->filename = name;
4406 areltdata = bfd_zmalloc (sizeof (struct areltdata));
4407 areltdata->parsed_size = entry->size;
4408 abfd->arelt_data = areltdata;
4409 abfd->iostream = NULL;
4410 abfd->origin = entry->offset;
4414 bfd_mach_o_openr_next_archived_file (bfd *archive, bfd *prev)
4416 mach_o_fat_data_struct *adata;
4417 mach_o_fat_archentry *entry = NULL;
4420 enum bfd_architecture arch_type;
4421 unsigned long arch_subtype;
4423 adata = (mach_o_fat_data_struct *) archive->tdata.mach_o_fat_data;
4424 BFD_ASSERT (adata != NULL);
4426 /* Find index of previous entry. */
4429 /* Start at first one. */
4434 /* Find index of PREV. */
4435 for (i = 0; i < adata->nfat_arch; i++)
4437 if (adata->archentries[i].offset == prev->origin)
4441 if (i == adata->nfat_arch)
4444 bfd_set_error (bfd_error_bad_value);
4448 /* Get next entry. */
4452 if (i >= adata->nfat_arch)
4454 bfd_set_error (bfd_error_no_more_archived_files);
4458 entry = &adata->archentries[i];
4459 nbfd = _bfd_new_bfd_contained_in (archive);
4463 bfd_mach_o_convert_architecture (entry->cputype, entry->cpusubtype,
4464 &arch_type, &arch_subtype);
4466 bfd_mach_o_fat_member_init (nbfd, arch_type, arch_subtype, entry);
4468 bfd_set_arch_mach (nbfd, arch_type, arch_subtype);
4473 /* Analogous to stat call. */
4476 bfd_mach_o_fat_stat_arch_elt (bfd *abfd, struct stat *buf)
4478 if (abfd->arelt_data == NULL)
4480 bfd_set_error (bfd_error_invalid_operation);
4487 buf->st_mode = 0644;
4488 buf->st_size = arelt_size (abfd);
4493 /* If ABFD format is FORMAT and architecture is ARCH, return it.
4494 If ABFD is a fat image containing a member that corresponds to FORMAT
4495 and ARCH, returns it.
4496 In other case, returns NULL.
4497 This function allows transparent uses of fat images. */
4500 bfd_mach_o_fat_extract (bfd *abfd,
4502 const bfd_arch_info_type *arch)
4505 mach_o_fat_data_struct *adata;
4508 if (bfd_check_format (abfd, format))
4510 if (bfd_get_arch_info (abfd) == arch)
4514 if (!bfd_check_format (abfd, bfd_archive)
4515 || abfd->xvec != &mach_o_fat_vec)
4518 /* This is a Mach-O fat image. */
4519 adata = (mach_o_fat_data_struct *) abfd->tdata.mach_o_fat_data;
4520 BFD_ASSERT (adata != NULL);
4522 for (i = 0; i < adata->nfat_arch; i++)
4524 struct mach_o_fat_archentry *e = &adata->archentries[i];
4525 enum bfd_architecture cpu_type;
4526 unsigned long cpu_subtype;
4528 bfd_mach_o_convert_architecture (e->cputype, e->cpusubtype,
4529 &cpu_type, &cpu_subtype);
4530 if (cpu_type != arch->arch || cpu_subtype != arch->mach)
4533 /* The architecture is found. */
4534 res = _bfd_new_bfd_contained_in (abfd);
4538 bfd_mach_o_fat_member_init (res, cpu_type, cpu_subtype, e);
4540 if (bfd_check_format (res, format))
4542 BFD_ASSERT (bfd_get_arch_info (res) == arch);
4553 bfd_mach_o_lookup_command (bfd *abfd,
4554 bfd_mach_o_load_command_type type,
4555 bfd_mach_o_load_command **mcommand)
4557 struct mach_o_data_struct *md = bfd_mach_o_get_data (abfd);
4558 bfd_mach_o_load_command *ncmd = NULL;
4559 unsigned int i, num;
4561 BFD_ASSERT (md != NULL);
4562 BFD_ASSERT (mcommand != NULL);
4565 for (i = 0; i < md->header.ncmds; i++)
4567 struct bfd_mach_o_load_command *cmd = &md->commands[i];
4569 if (cmd->type != type)
4582 bfd_mach_o_stack_addr (enum bfd_mach_o_cpu_type type)
4586 case BFD_MACH_O_CPU_TYPE_MC680x0:
4588 case BFD_MACH_O_CPU_TYPE_MC88000:
4590 case BFD_MACH_O_CPU_TYPE_POWERPC:
4592 case BFD_MACH_O_CPU_TYPE_I386:
4594 case BFD_MACH_O_CPU_TYPE_SPARC:
4596 case BFD_MACH_O_CPU_TYPE_I860:
4598 case BFD_MACH_O_CPU_TYPE_HPPA:
4599 return 0xc0000000 - 0x04000000;
4605 /* The following two tables should be kept, as far as possible, in order of
4606 most frequently used entries to optimize their use from gas. */
4608 const bfd_mach_o_xlat_name bfd_mach_o_section_type_name[] =
4610 { "regular", BFD_MACH_O_S_REGULAR},
4611 { "coalesced", BFD_MACH_O_S_COALESCED},
4612 { "zerofill", BFD_MACH_O_S_ZEROFILL},
4613 { "cstring_literals", BFD_MACH_O_S_CSTRING_LITERALS},
4614 { "4byte_literals", BFD_MACH_O_S_4BYTE_LITERALS},
4615 { "8byte_literals", BFD_MACH_O_S_8BYTE_LITERALS},
4616 { "16byte_literals", BFD_MACH_O_S_16BYTE_LITERALS},
4617 { "literal_pointers", BFD_MACH_O_S_LITERAL_POINTERS},
4618 { "mod_init_func_pointers", BFD_MACH_O_S_MOD_INIT_FUNC_POINTERS},
4619 { "mod_fini_func_pointers", BFD_MACH_O_S_MOD_FINI_FUNC_POINTERS},
4620 { "gb_zerofill", BFD_MACH_O_S_GB_ZEROFILL},
4621 { "interposing", BFD_MACH_O_S_INTERPOSING},
4622 { "dtrace_dof", BFD_MACH_O_S_DTRACE_DOF},
4623 { "non_lazy_symbol_pointers", BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS},
4624 { "lazy_symbol_pointers", BFD_MACH_O_S_LAZY_SYMBOL_POINTERS},
4625 { "symbol_stubs", BFD_MACH_O_S_SYMBOL_STUBS},
4626 { "lazy_dylib_symbol_pointers", BFD_MACH_O_S_LAZY_DYLIB_SYMBOL_POINTERS},
4630 const bfd_mach_o_xlat_name bfd_mach_o_section_attribute_name[] =
4632 { "pure_instructions", BFD_MACH_O_S_ATTR_PURE_INSTRUCTIONS },
4633 { "some_instructions", BFD_MACH_O_S_ATTR_SOME_INSTRUCTIONS },
4634 { "loc_reloc", BFD_MACH_O_S_ATTR_LOC_RELOC },
4635 { "ext_reloc", BFD_MACH_O_S_ATTR_EXT_RELOC },
4636 { "debug", BFD_MACH_O_S_ATTR_DEBUG },
4637 { "live_support", BFD_MACH_O_S_ATTR_LIVE_SUPPORT },
4638 { "no_dead_strip", BFD_MACH_O_S_ATTR_NO_DEAD_STRIP },
4639 { "strip_static_syms", BFD_MACH_O_S_ATTR_STRIP_STATIC_SYMS },
4640 { "no_toc", BFD_MACH_O_S_ATTR_NO_TOC },
4641 { "self_modifying_code", BFD_MACH_O_S_SELF_MODIFYING_CODE },
4642 { "modifying_code", BFD_MACH_O_S_SELF_MODIFYING_CODE },
4646 /* Get the section type from NAME. Return 256 if NAME is unknown. */
4649 bfd_mach_o_get_section_type_from_name (bfd *abfd, const char *name)
4651 const bfd_mach_o_xlat_name *x;
4652 bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd);
4654 for (x = bfd_mach_o_section_type_name; x->name; x++)
4655 if (strcmp (x->name, name) == 0)
4657 /* We found it... does the target support it? */
4658 if (bed->bfd_mach_o_section_type_valid_for_target == NULL
4659 || bed->bfd_mach_o_section_type_valid_for_target (x->val))
4660 return x->val; /* OK. */
4662 break; /* Not supported. */
4664 /* Maximum section ID = 0xff. */
4668 /* Get the section attribute from NAME. Return -1 if NAME is unknown. */
4671 bfd_mach_o_get_section_attribute_from_name (const char *name)
4673 const bfd_mach_o_xlat_name *x;
4675 for (x = bfd_mach_o_section_attribute_name; x->name; x++)
4676 if (strcmp (x->name, name) == 0)
4678 return (unsigned int)-1;
4682 bfd_mach_o_core_fetch_environment (bfd *abfd,
4683 unsigned char **rbuf,
4686 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
4687 unsigned long stackaddr = bfd_mach_o_stack_addr (mdata->header.cputype);
4690 for (i = 0; i < mdata->header.ncmds; i++)
4692 bfd_mach_o_load_command *cur = &mdata->commands[i];
4693 bfd_mach_o_segment_command *seg = NULL;
4695 if (cur->type != BFD_MACH_O_LC_SEGMENT)
4698 seg = &cur->command.segment;
4700 if ((seg->vmaddr + seg->vmsize) == stackaddr)
4702 unsigned long start = seg->fileoff;
4703 unsigned long end = seg->fileoff + seg->filesize;
4704 unsigned char *buf = bfd_malloc (1024);
4705 unsigned long size = 1024;
4709 bfd_size_type nread = 0;
4710 unsigned long offset;
4711 int found_nonnull = 0;
4713 if (size > (end - start))
4714 size = (end - start);
4716 buf = bfd_realloc_or_free (buf, size);
4720 if (bfd_seek (abfd, end - size, SEEK_SET) != 0)
4726 nread = bfd_bread (buf, size, abfd);
4734 for (offset = 4; offset <= size; offset += 4)
4738 val = *((unsigned long *) (buf + size - offset));
4739 if (! found_nonnull)
4744 else if (val == 0x0)
4746 unsigned long bottom;
4749 bottom = seg->fileoff + seg->filesize - offset;
4750 top = seg->fileoff + seg->filesize - 4;
4751 *rbuf = bfd_malloc (top - bottom);
4752 *rlen = top - bottom;
4754 memcpy (*rbuf, buf + size - *rlen, *rlen);
4760 if (size == (end - start))
4774 bfd_mach_o_core_file_failing_command (bfd *abfd)
4776 unsigned char *buf = NULL;
4777 unsigned int len = 0;
4780 ret = bfd_mach_o_core_fetch_environment (abfd, &buf, &len);
4784 return (char *) buf;
4788 bfd_mach_o_core_file_failing_signal (bfd *abfd ATTRIBUTE_UNUSED)
4793 static bfd_mach_o_uuid_command *
4794 bfd_mach_o_lookup_uuid_command (bfd *abfd)
4796 bfd_mach_o_load_command *uuid_cmd;
4797 int ncmd = bfd_mach_o_lookup_command (abfd, BFD_MACH_O_LC_UUID, &uuid_cmd);
4800 return &uuid_cmd->command.uuid;
4803 /* Return true if ABFD is a dSYM file and its UUID matches UUID_CMD. */
4806 bfd_mach_o_dsym_for_uuid_p (bfd *abfd, const bfd_mach_o_uuid_command *uuid_cmd)
4808 bfd_mach_o_uuid_command *dsym_uuid_cmd;
4811 BFD_ASSERT (uuid_cmd);
4813 if (!bfd_check_format (abfd, bfd_object))
4816 if (bfd_get_flavour (abfd) != bfd_target_mach_o_flavour
4817 || bfd_mach_o_get_data (abfd) == NULL
4818 || bfd_mach_o_get_data (abfd)->header.filetype != BFD_MACH_O_MH_DSYM)
4821 dsym_uuid_cmd = bfd_mach_o_lookup_uuid_command (abfd);
4822 if (dsym_uuid_cmd == NULL)
4825 if (memcmp (uuid_cmd->uuid, dsym_uuid_cmd->uuid,
4826 sizeof (uuid_cmd->uuid)) != 0)
4832 /* Find a BFD in DSYM_FILENAME which matches ARCH and UUID_CMD.
4833 The caller is responsible for closing the returned BFD object and
4834 its my_archive if the returned BFD is in a fat dSYM. */
4837 bfd_mach_o_find_dsym (const char *dsym_filename,
4838 const bfd_mach_o_uuid_command *uuid_cmd,
4839 const bfd_arch_info_type *arch)
4841 bfd *base_dsym_bfd, *dsym_bfd;
4843 BFD_ASSERT (uuid_cmd);
4845 base_dsym_bfd = bfd_openr (dsym_filename, NULL);
4846 if (base_dsym_bfd == NULL)
4849 dsym_bfd = bfd_mach_o_fat_extract (base_dsym_bfd, bfd_object, arch);
4850 if (bfd_mach_o_dsym_for_uuid_p (dsym_bfd, uuid_cmd))
4853 bfd_close (dsym_bfd);
4854 if (base_dsym_bfd != dsym_bfd)
4855 bfd_close (base_dsym_bfd);
4860 /* Return a BFD created from a dSYM file for ABFD.
4861 The caller is responsible for closing the returned BFD object, its
4862 filename, and its my_archive if the returned BFD is in a fat dSYM. */
4865 bfd_mach_o_follow_dsym (bfd *abfd)
4867 char *dsym_filename;
4868 bfd_mach_o_uuid_command *uuid_cmd;
4869 bfd *dsym_bfd, *base_bfd = abfd;
4870 const char *base_basename;
4872 if (abfd == NULL || bfd_get_flavour (abfd) != bfd_target_mach_o_flavour)
4875 if (abfd->my_archive)
4876 base_bfd = abfd->my_archive;
4877 /* BFD may have been opened from a stream. */
4878 if (base_bfd->filename == NULL)
4880 bfd_set_error (bfd_error_invalid_operation);
4883 base_basename = lbasename (base_bfd->filename);
4885 uuid_cmd = bfd_mach_o_lookup_uuid_command (abfd);
4886 if (uuid_cmd == NULL)
4889 /* TODO: We assume the DWARF file has the same as the binary's.
4890 It seems apple's GDB checks all files in the dSYM bundle directory.
4891 http://opensource.apple.com/source/gdb/gdb-1708/src/gdb/macosx/macosx-tdep.c
4893 dsym_filename = (char *)bfd_malloc (strlen (base_bfd->filename)
4894 + strlen (dsym_subdir) + 1
4895 + strlen (base_basename) + 1);
4896 sprintf (dsym_filename, "%s%s/%s",
4897 base_bfd->filename, dsym_subdir, base_basename);
4899 dsym_bfd = bfd_mach_o_find_dsym (dsym_filename, uuid_cmd,
4900 bfd_get_arch_info (abfd));
4901 if (dsym_bfd == NULL)
4902 free (dsym_filename);
4908 bfd_mach_o_find_nearest_line (bfd *abfd,
4912 const char **filename_ptr,
4913 const char **functionname_ptr,
4914 unsigned int *line_ptr)
4916 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
4919 switch (mdata->header.filetype)
4921 case BFD_MACH_O_MH_OBJECT:
4923 case BFD_MACH_O_MH_EXECUTE:
4924 case BFD_MACH_O_MH_DYLIB:
4925 case BFD_MACH_O_MH_BUNDLE:
4926 case BFD_MACH_O_MH_KEXT_BUNDLE:
4927 if (mdata->dwarf2_find_line_info == NULL)
4929 mdata->dsym_bfd = bfd_mach_o_follow_dsym (abfd);
4930 /* When we couldn't find dSYM for this binary, we look for
4931 the debug information in the binary itself. In this way,
4932 we won't try finding separated dSYM again because
4933 mdata->dwarf2_find_line_info will be filled. */
4934 if (! mdata->dsym_bfd)
4936 if (! _bfd_dwarf2_slurp_debug_info (abfd, mdata->dsym_bfd,
4937 dwarf_debug_sections, symbols,
4938 &mdata->dwarf2_find_line_info))
4945 if (_bfd_dwarf2_find_nearest_line (abfd, dwarf_debug_sections,
4946 section, symbols, offset,
4947 filename_ptr, functionname_ptr,
4949 &mdata->dwarf2_find_line_info))
4955 bfd_mach_o_close_and_cleanup (bfd *abfd)
4957 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
4958 if (bfd_get_format (abfd) == bfd_object && mdata != NULL)
4960 _bfd_dwarf2_cleanup_debug_info (abfd, &mdata->dwarf2_find_line_info);
4961 bfd_mach_o_free_cached_info (abfd);
4962 if (mdata->dsym_bfd != NULL)
4964 bfd *fat_bfd = mdata->dsym_bfd->my_archive;
4965 char *dsym_filename = (char *)(fat_bfd
4967 : mdata->dsym_bfd->filename);
4968 bfd_close (mdata->dsym_bfd);
4969 mdata->dsym_bfd = NULL;
4971 bfd_close (fat_bfd);
4972 free (dsym_filename);
4976 if (bfd_get_format (abfd) == bfd_archive
4977 && abfd->xvec == &mach_o_fat_vec)
4979 return _bfd_generic_close_and_cleanup (abfd);
4982 bfd_boolean bfd_mach_o_free_cached_info (bfd *abfd)
4984 bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
4986 free (mdata->dyn_reloc_cache);
4987 mdata->dyn_reloc_cache = NULL;
4988 for (asect = abfd->sections; asect != NULL; asect = asect->next)
4990 free (asect->relocation);
4991 asect->relocation = NULL;
4997 #define bfd_mach_o_bfd_reloc_type_lookup _bfd_norelocs_bfd_reloc_type_lookup
4998 #define bfd_mach_o_bfd_reloc_name_lookup _bfd_norelocs_bfd_reloc_name_lookup
5000 #define bfd_mach_o_swap_reloc_in NULL
5001 #define bfd_mach_o_swap_reloc_out NULL
5002 #define bfd_mach_o_print_thread NULL
5003 #define bfd_mach_o_tgt_seg_table NULL
5004 #define bfd_mach_o_section_type_valid_for_tgt NULL
5006 #define TARGET_NAME mach_o_be_vec
5007 #define TARGET_STRING "mach-o-be"
5008 #define TARGET_ARCHITECTURE bfd_arch_unknown
5009 #define TARGET_BIG_ENDIAN 1
5010 #define TARGET_ARCHIVE 0
5011 #define TARGET_PRIORITY 1
5012 #include "mach-o-target.c"
5015 #undef TARGET_STRING
5016 #undef TARGET_ARCHITECTURE
5017 #undef TARGET_BIG_ENDIAN
5018 #undef TARGET_ARCHIVE
5019 #undef TARGET_PRIORITY
5021 #define TARGET_NAME mach_o_le_vec
5022 #define TARGET_STRING "mach-o-le"
5023 #define TARGET_ARCHITECTURE bfd_arch_unknown
5024 #define TARGET_BIG_ENDIAN 0
5025 #define TARGET_ARCHIVE 0
5026 #define TARGET_PRIORITY 1
5028 #include "mach-o-target.c"
5031 #undef TARGET_STRING
5032 #undef TARGET_ARCHITECTURE
5033 #undef TARGET_BIG_ENDIAN
5034 #undef TARGET_ARCHIVE
5035 #undef TARGET_PRIORITY
5037 /* Not yet handled: creating an archive. */
5038 #define bfd_mach_o_mkarchive _bfd_noarchive_mkarchive
5041 #define bfd_mach_o_read_ar_hdr _bfd_noarchive_read_ar_hdr
5042 #define bfd_mach_o_write_ar_hdr _bfd_noarchive_write_ar_hdr
5043 #define bfd_mach_o_slurp_armap _bfd_noarchive_slurp_armap
5044 #define bfd_mach_o_slurp_extended_name_table _bfd_noarchive_slurp_extended_name_table
5045 #define bfd_mach_o_construct_extended_name_table _bfd_noarchive_construct_extended_name_table
5046 #define bfd_mach_o_truncate_arname _bfd_noarchive_truncate_arname
5047 #define bfd_mach_o_write_armap _bfd_noarchive_write_armap
5048 #define bfd_mach_o_get_elt_at_index _bfd_noarchive_get_elt_at_index
5049 #define bfd_mach_o_generic_stat_arch_elt bfd_mach_o_fat_stat_arch_elt
5050 #define bfd_mach_o_update_armap_timestamp _bfd_noarchive_update_armap_timestamp
5052 #define TARGET_NAME mach_o_fat_vec
5053 #define TARGET_STRING "mach-o-fat"
5054 #define TARGET_ARCHITECTURE bfd_arch_unknown
5055 #define TARGET_BIG_ENDIAN 1
5056 #define TARGET_ARCHIVE 1
5057 #define TARGET_PRIORITY 0
5059 #include "mach-o-target.c"
5062 #undef TARGET_STRING
5063 #undef TARGET_ARCHITECTURE
5064 #undef TARGET_BIG_ENDIAN
5065 #undef TARGET_ARCHIVE
5066 #undef TARGET_PRIORITY