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3af9a47b | 1 | /* Mach-O support for BFD. |
a253d456 | 2 | Copyright 1999-2013 Free Software Foundation, Inc. |
3af9a47b NC |
3 | |
4 | This file is part of BFD, the Binary File Descriptor library. | |
5 | ||
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 | |
cd123cb7 | 8 | the Free Software Foundation; either version 3 of the License, or |
3af9a47b NC |
9 | (at your option) any later version. |
10 | ||
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. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
a95a4550 | 17 | along with this program; if not, write to the Free Software |
cd123cb7 NC |
18 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
19 | MA 02110-1301, USA. */ | |
3af9a47b | 20 | |
3db64b00 | 21 | #include "sysdep.h" |
3af9a47b NC |
22 | #include "mach-o.h" |
23 | #include "bfd.h" | |
3af9a47b NC |
24 | #include "libbfd.h" |
25 | #include "libiberty.h" | |
15e1c58a | 26 | #include "aout/stab_gnu.h" |
46d1c23b TG |
27 | #include "mach-o/reloc.h" |
28 | #include "mach-o/external.h" | |
3af9a47b | 29 | #include <ctype.h> |
7f307238 IS |
30 | #include <stdlib.h> |
31 | #include <string.h> | |
3af9a47b | 32 | |
154a1ee5 TG |
33 | #define bfd_mach_o_object_p bfd_mach_o_gen_object_p |
34 | #define bfd_mach_o_core_p bfd_mach_o_gen_core_p | |
42fa0891 | 35 | #define bfd_mach_o_mkobject bfd_mach_o_gen_mkobject |
116c20d2 | 36 | |
92bc0e80 TG |
37 | #define FILE_ALIGN(off, algn) \ |
38 | (((off) + ((file_ptr) 1 << (algn)) - 1) & ((file_ptr) -1 << (algn))) | |
39 | ||
c2f09c75 | 40 | unsigned int |
1e8a024a TG |
41 | bfd_mach_o_version (bfd *abfd) |
42 | { | |
43 | bfd_mach_o_data_struct *mdata = NULL; | |
44 | ||
45 | BFD_ASSERT (bfd_mach_o_valid (abfd)); | |
046b007d | 46 | mdata = bfd_mach_o_get_data (abfd); |
1e8a024a TG |
47 | |
48 | return mdata->header.version; | |
49 | } | |
50 | ||
b34976b6 | 51 | bfd_boolean |
116c20d2 | 52 | bfd_mach_o_valid (bfd *abfd) |
3af9a47b NC |
53 | { |
54 | if (abfd == NULL || abfd->xvec == NULL) | |
154a1ee5 | 55 | return FALSE; |
3af9a47b | 56 | |
154a1ee5 TG |
57 | if (abfd->xvec->flavour != bfd_target_mach_o_flavour) |
58 | return FALSE; | |
3af9a47b | 59 | |
046b007d | 60 | if (bfd_mach_o_get_data (abfd) == NULL) |
154a1ee5 TG |
61 | return FALSE; |
62 | return TRUE; | |
63 | } | |
64 | ||
c2f09c75 TG |
65 | static INLINE bfd_boolean |
66 | mach_o_wide_p (bfd_mach_o_header *header) | |
67 | { | |
68 | switch (header->version) | |
69 | { | |
70 | case 1: | |
71 | return FALSE; | |
72 | case 2: | |
73 | return TRUE; | |
74 | default: | |
75 | BFD_FAIL (); | |
76 | return FALSE; | |
77 | } | |
78 | } | |
79 | ||
80 | static INLINE bfd_boolean | |
81 | bfd_mach_o_wide_p (bfd *abfd) | |
82 | { | |
046b007d | 83 | return mach_o_wide_p (&bfd_mach_o_get_data (abfd)->header); |
c2f09c75 | 84 | } |
68ffbac6 | 85 | |
154a1ee5 TG |
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 | |
88 | by gdb. */ | |
89 | ||
a4551119 TG |
90 | /* __TEXT Segment. */ |
91 | static const mach_o_section_name_xlat text_section_names_xlat[] = | |
154a1ee5 | 92 | { |
68ffbac6 | 93 | { ".text", "__text", |
a4551119 TG |
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", | |
632039e0 | 122 | SEC_READONLY | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_COALESCED, |
a4551119 TG |
123 | BFD_MACH_O_S_ATTR_LIVE_SUPPORT |
124 | | BFD_MACH_O_S_ATTR_STRIP_STATIC_SYMS | |
632039e0 | 125 | | BFD_MACH_O_S_ATTR_NO_TOC, 2}, |
a4551119 | 126 | { NULL, NULL, 0, 0, 0, 0} |
154a1ee5 TG |
127 | }; |
128 | ||
a4551119 TG |
129 | /* __DATA Segment. */ |
130 | static const mach_o_section_name_xlat data_section_names_xlat[] = | |
154a1ee5 | 131 | { |
a4551119 TG |
132 | { ".data", "__data", |
133 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
134 | BFD_MACH_O_S_ATTR_NONE, 0}, | |
135 | { ".bss", "__bss", | |
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}, | |
150 | { ".dyld", "__dyld", | |
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} | |
154a1ee5 TG |
157 | }; |
158 | ||
a4551119 TG |
159 | /* __DWARF Segment. */ |
160 | static const mach_o_section_name_xlat dwarf_section_names_xlat[] = | |
154a1ee5 | 161 | { |
a4551119 TG |
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 | { NULL, NULL, 0, 0, 0, 0} | |
154a1ee5 TG |
199 | }; |
200 | ||
a4551119 TG |
201 | /* __OBJC Segment. */ |
202 | static const mach_o_section_name_xlat objc_section_names_xlat[] = | |
203 | { | |
204 | { ".objc_class", "__class", | |
205 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
206 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
207 | { ".objc_meta_class", "__meta_class", | |
208 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
209 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
210 | { ".objc_cat_cls_meth", "__cat_cls_meth", | |
211 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
212 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
213 | { ".objc_cat_inst_meth", "__cat_inst_meth", | |
214 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
215 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
216 | { ".objc_protocol", "__protocol", | |
217 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
218 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
219 | { ".objc_string_object", "__string_object", | |
220 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
221 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
222 | { ".objc_cls_meth", "__cls_meth", | |
223 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
224 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
225 | { ".objc_inst_meth", "__inst_meth", | |
226 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
227 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
228 | { ".objc_cls_refs", "__cls_refs", | |
229 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_LITERAL_POINTERS, | |
230 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
231 | { ".objc_message_refs", "__message_refs", | |
232 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_LITERAL_POINTERS, | |
233 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
234 | { ".objc_symbols", "__symbols", | |
235 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
236 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
237 | { ".objc_category", "__category", | |
238 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
239 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
240 | { ".objc_class_vars", "__class_vars", | |
241 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
242 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
243 | { ".objc_instance_vars", "__instance_vars", | |
244 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
245 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
246 | { ".objc_module_info", "__module_info", | |
247 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
248 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
249 | { ".objc_selector_strs", "__selector_strs", | |
250 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_CSTRING_LITERALS, | |
251 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
252 | { ".objc_image_info", "__image_info", | |
253 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
254 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
255 | { ".objc_selector_fixup", "__sel_fixup", | |
256 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
257 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
258 | /* Objc V1 */ | |
259 | { ".objc1_class_ext", "__class_ext", | |
260 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
261 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
262 | { ".objc1_property_list", "__property", | |
263 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
264 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
265 | { ".objc1_protocol_ext", "__protocol_ext", | |
266 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
267 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
268 | { NULL, NULL, 0, 0, 0, 0} | |
269 | }; | |
5a5cbf72 | 270 | |
a4551119 | 271 | static const mach_o_segment_name_xlat segsec_names_xlat[] = |
154a1ee5 | 272 | { |
154a1ee5 TG |
273 | { "__TEXT", text_section_names_xlat }, |
274 | { "__DATA", data_section_names_xlat }, | |
5a5cbf72 | 275 | { "__DWARF", dwarf_section_names_xlat }, |
a4551119 | 276 | { "__OBJC", objc_section_names_xlat }, |
154a1ee5 TG |
277 | { NULL, NULL } |
278 | }; | |
279 | ||
2ca7691a TG |
280 | static const char dsym_subdir[] = ".dSYM/Contents/Resources/DWARF"; |
281 | ||
a4551119 TG |
282 | /* For both cases bfd-name => mach-o name and vice versa, the specific target |
283 | is checked before the generic. This allows a target (e.g. ppc for cstring) | |
284 | to override the generic definition with a more specific one. */ | |
154a1ee5 | 285 | |
a4551119 TG |
286 | /* Fetch the translation from a Mach-O section designation (segment, section) |
287 | as a bfd short name, if one exists. Otherwise return NULL. | |
68ffbac6 | 288 | |
a4551119 TG |
289 | Allow the segment and section names to be unterminated 16 byte arrays. */ |
290 | ||
291 | const mach_o_section_name_xlat * | |
292 | bfd_mach_o_section_data_for_mach_sect (bfd *abfd, const char *segname, | |
293 | const char *sectname) | |
154a1ee5 TG |
294 | { |
295 | const struct mach_o_segment_name_xlat *seg; | |
a4551119 TG |
296 | const mach_o_section_name_xlat *sec; |
297 | bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd); | |
154a1ee5 | 298 | |
a4551119 TG |
299 | /* First try any target-specific translations defined... */ |
300 | if (bed->segsec_names_xlat) | |
301 | for (seg = bed->segsec_names_xlat; seg->segname; seg++) | |
302 | if (strncmp (seg->segname, segname, BFD_MACH_O_SEGNAME_SIZE) == 0) | |
303 | for (sec = seg->sections; sec->mach_o_name; sec++) | |
304 | if (strncmp (sec->mach_o_name, sectname, | |
305 | BFD_MACH_O_SECTNAME_SIZE) == 0) | |
306 | return sec; | |
8462aec7 | 307 | |
a4551119 | 308 | /* ... and then the Mach-O generic ones. */ |
154a1ee5 | 309 | for (seg = segsec_names_xlat; seg->segname; seg++) |
a4551119 TG |
310 | if (strncmp (seg->segname, segname, BFD_MACH_O_SEGNAME_SIZE) == 0) |
311 | for (sec = seg->sections; sec->mach_o_name; sec++) | |
312 | if (strncmp (sec->mach_o_name, sectname, | |
313 | BFD_MACH_O_SECTNAME_SIZE) == 0) | |
314 | return sec; | |
154a1ee5 | 315 | |
68ffbac6 | 316 | return NULL; |
53d58d96 TG |
317 | } |
318 | ||
a4551119 | 319 | /* If the bfd_name for this section is a 'canonical' form for which we |
68ffbac6 | 320 | know the Mach-O data, return the segment name and the data for the |
a4551119 | 321 | Mach-O equivalent. Otherwise return NULL. */ |
7ba695a9 | 322 | |
a4551119 TG |
323 | const mach_o_section_name_xlat * |
324 | bfd_mach_o_section_data_for_bfd_name (bfd *abfd, const char *bfd_name, | |
325 | const char **segname) | |
53d58d96 | 326 | { |
a4551119 TG |
327 | const struct mach_o_segment_name_xlat *seg; |
328 | const mach_o_section_name_xlat *sec; | |
329 | bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd); | |
330 | *segname = NULL; | |
331 | ||
332 | if (bfd_name[0] != '.') | |
333 | return NULL; | |
334 | ||
335 | /* First try any target-specific translations defined... */ | |
336 | if (bed->segsec_names_xlat) | |
337 | for (seg = bed->segsec_names_xlat; seg->segname; seg++) | |
338 | for (sec = seg->sections; sec->bfd_name; sec++) | |
339 | if (strcmp (bfd_name, sec->bfd_name) == 0) | |
340 | { | |
341 | *segname = seg->segname; | |
342 | return sec; | |
343 | } | |
344 | ||
345 | /* ... and then the Mach-O generic ones. */ | |
346 | for (seg = segsec_names_xlat; seg->segname; seg++) | |
347 | for (sec = seg->sections; sec->bfd_name; sec++) | |
348 | if (strcmp (bfd_name, sec->bfd_name) == 0) | |
349 | { | |
350 | *segname = seg->segname; | |
351 | return sec; | |
352 | } | |
353 | ||
68ffbac6 | 354 | return NULL; |
a4551119 TG |
355 | } |
356 | ||
357 | /* Convert Mach-O section name to BFD. | |
358 | ||
68ffbac6 | 359 | Try to use standard/canonical names, for which we have tables including |
a4551119 TG |
360 | default flag settings - which are returned. Otherwise forge a new name |
361 | in the form "<segmentname>.<sectionname>" this will be prefixed with | |
362 | LC_SEGMENT. if the segment name does not begin with an underscore. | |
363 | ||
364 | SEGNAME and SECTNAME are 16 byte arrays (they do not need to be NUL- | |
365 | terminated if the name length is exactly 16 bytes - but must be if the name | |
366 | length is less than 16 characters). */ | |
367 | ||
368 | void | |
369 | bfd_mach_o_convert_section_name_to_bfd (bfd *abfd, const char *segname, | |
370 | const char *secname, const char **name, | |
371 | flagword *flags) | |
372 | { | |
373 | const mach_o_section_name_xlat *xlat; | |
53d58d96 TG |
374 | char *res; |
375 | unsigned int len; | |
376 | const char *pfx = ""; | |
377 | ||
a4551119 TG |
378 | *name = NULL; |
379 | *flags = SEC_NO_FLAGS; | |
53d58d96 | 380 | |
68ffbac6 | 381 | /* First search for a canonical name... |
a4551119 TG |
382 | xlat will be non-null if there is an entry for segname, secname. */ |
383 | xlat = bfd_mach_o_section_data_for_mach_sect (abfd, segname, secname); | |
384 | if (xlat) | |
385 | { | |
386 | len = strlen (xlat->bfd_name); | |
387 | res = bfd_alloc (abfd, len+1); | |
388 | if (res == NULL) | |
389 | return; | |
390 | memcpy (res, xlat->bfd_name, len+1); | |
391 | *name = res; | |
392 | *flags = xlat->bfd_flags; | |
393 | return; | |
394 | } | |
395 | ||
396 | /* ... else we make up a bfd name from the segment concatenated with the | |
397 | section. */ | |
154a1ee5 | 398 | |
7ba695a9 | 399 | len = 16 + 1 + 16 + 1; |
154a1ee5 | 400 | |
c2f09c75 TG |
401 | /* Put "LC_SEGMENT." prefix if the segment name is weird (ie doesn't start |
402 | with an underscore. */ | |
f1bde64c | 403 | if (segname[0] != '_') |
c2f09c75 TG |
404 | { |
405 | static const char seg_pfx[] = "LC_SEGMENT."; | |
406 | ||
407 | pfx = seg_pfx; | |
408 | len += sizeof (seg_pfx) - 1; | |
409 | } | |
410 | ||
154a1ee5 TG |
411 | res = bfd_alloc (abfd, len); |
412 | if (res == NULL) | |
8462aec7 | 413 | return; |
a4551119 | 414 | snprintf (res, len, "%s%.16s.%.16s", pfx, segname, secname); |
8462aec7 | 415 | *name = res; |
154a1ee5 TG |
416 | } |
417 | ||
a4551119 | 418 | /* Convert a bfd section name to a Mach-O segment + section name. |
154a1ee5 | 419 | |
a4551119 TG |
420 | If the name is a canonical one for which we have a Darwin match |
421 | return the translation table - which contains defaults for flags, | |
422 | type, attribute and default alignment data. | |
423 | ||
68ffbac6 | 424 | Otherwise, expand the bfd_name (assumed to be in the form |
a4551119 TG |
425 | "[LC_SEGMENT.]<segmentname>.<sectionname>") and return NULL. */ |
426 | ||
427 | static const mach_o_section_name_xlat * | |
154a1ee5 TG |
428 | bfd_mach_o_convert_section_name_to_mach_o (bfd *abfd ATTRIBUTE_UNUSED, |
429 | asection *sect, | |
430 | bfd_mach_o_section *section) | |
431 | { | |
a4551119 | 432 | const mach_o_section_name_xlat *xlat; |
154a1ee5 | 433 | const char *name = bfd_get_section_name (abfd, sect); |
a4551119 | 434 | const char *segname; |
154a1ee5 TG |
435 | const char *dot; |
436 | unsigned int len; | |
437 | unsigned int seglen; | |
438 | unsigned int seclen; | |
439 | ||
a4551119 TG |
440 | memset (section->segname, 0, BFD_MACH_O_SEGNAME_SIZE + 1); |
441 | memset (section->sectname, 0, BFD_MACH_O_SECTNAME_SIZE + 1); | |
442 | ||
443 | /* See if is a canonical name ... */ | |
444 | xlat = bfd_mach_o_section_data_for_bfd_name (abfd, name, &segname); | |
445 | if (xlat) | |
446 | { | |
447 | strcpy (section->segname, segname); | |
448 | strcpy (section->sectname, xlat->mach_o_name); | |
449 | return xlat; | |
450 | } | |
154a1ee5 | 451 | |
a4551119 TG |
452 | /* .. else we convert our constructed one back to Mach-O. |
453 | Strip LC_SEGMENT. prefix, if present. */ | |
154a1ee5 TG |
454 | if (strncmp (name, "LC_SEGMENT.", 11) == 0) |
455 | name += 11; | |
456 | ||
457 | /* Find a dot. */ | |
458 | dot = strchr (name, '.'); | |
459 | len = strlen (name); | |
460 | ||
461 | /* Try to split name into segment and section names. */ | |
462 | if (dot && dot != name) | |
463 | { | |
464 | seglen = dot - name; | |
465 | seclen = len - (dot + 1 - name); | |
466 | ||
467 | if (seglen < 16 && seclen < 16) | |
468 | { | |
469 | memcpy (section->segname, name, seglen); | |
470 | section->segname[seglen] = 0; | |
471 | memcpy (section->sectname, dot + 1, seclen); | |
472 | section->sectname[seclen] = 0; | |
a4551119 | 473 | return NULL; |
154a1ee5 TG |
474 | } |
475 | } | |
476 | ||
a4551119 TG |
477 | /* The segment and section names are both missing - don't make them |
478 | into dots. */ | |
479 | if (dot && dot == name) | |
480 | return NULL; | |
481 | ||
482 | /* Just duplicate the name into both segment and section. */ | |
154a1ee5 TG |
483 | if (len > 16) |
484 | len = 16; | |
485 | memcpy (section->segname, name, len); | |
486 | section->segname[len] = 0; | |
487 | memcpy (section->sectname, name, len); | |
488 | section->sectname[len] = 0; | |
a4551119 | 489 | return NULL; |
3af9a47b NC |
490 | } |
491 | ||
b2b62060 TG |
492 | /* Return the size of an entry for section SEC. |
493 | Must be called only for symbol pointer section and symbol stubs | |
494 | sections. */ | |
495 | ||
c5012cd8 | 496 | unsigned int |
b2b62060 TG |
497 | bfd_mach_o_section_get_entry_size (bfd *abfd, bfd_mach_o_section *sec) |
498 | { | |
499 | switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK) | |
500 | { | |
501 | case BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS: | |
502 | case BFD_MACH_O_S_LAZY_SYMBOL_POINTERS: | |
503 | return bfd_mach_o_wide_p (abfd) ? 8 : 4; | |
504 | case BFD_MACH_O_S_SYMBOL_STUBS: | |
505 | return sec->reserved2; | |
506 | default: | |
507 | BFD_FAIL (); | |
508 | return 0; | |
509 | } | |
510 | } | |
511 | ||
512 | /* Return the number of indirect symbols for a section. | |
513 | Must be called only for symbol pointer section and symbol stubs | |
514 | sections. */ | |
515 | ||
c5012cd8 | 516 | unsigned int |
b2b62060 TG |
517 | bfd_mach_o_section_get_nbr_indirect (bfd *abfd, bfd_mach_o_section *sec) |
518 | { | |
519 | unsigned int elsz; | |
520 | ||
521 | elsz = bfd_mach_o_section_get_entry_size (abfd, sec); | |
522 | if (elsz == 0) | |
523 | return 0; | |
524 | else | |
525 | return sec->size / elsz; | |
526 | } | |
527 | ||
528 | ||
3af9a47b NC |
529 | /* Copy any private info we understand from the input symbol |
530 | to the output symbol. */ | |
531 | ||
154a1ee5 | 532 | bfd_boolean |
116c20d2 | 533 | bfd_mach_o_bfd_copy_private_symbol_data (bfd *ibfd ATTRIBUTE_UNUSED, |
b22161d6 | 534 | asymbol *isymbol, |
116c20d2 | 535 | bfd *obfd ATTRIBUTE_UNUSED, |
b22161d6 IS |
536 | asymbol *osymbol) |
537 | { | |
538 | bfd_mach_o_asymbol *os, *is; | |
539 | os = (bfd_mach_o_asymbol *)osymbol; | |
540 | is = (bfd_mach_o_asymbol *)isymbol; | |
541 | os->n_type = is->n_type; | |
542 | os->n_sect = is->n_sect; | |
543 | os->n_desc = is->n_desc; | |
544 | os->symbol.udata.i = is->symbol.udata.i; | |
b34976b6 | 545 | return TRUE; |
3af9a47b NC |
546 | } |
547 | ||
548 | /* Copy any private info we understand from the input section | |
549 | to the output section. */ | |
550 | ||
154a1ee5 | 551 | bfd_boolean |
116c20d2 | 552 | bfd_mach_o_bfd_copy_private_section_data (bfd *ibfd ATTRIBUTE_UNUSED, |
a4551119 | 553 | asection *isection, |
116c20d2 | 554 | bfd *obfd ATTRIBUTE_UNUSED, |
a4551119 TG |
555 | asection *osection) |
556 | { | |
557 | if (osection->used_by_bfd == NULL) | |
558 | osection->used_by_bfd = isection->used_by_bfd; | |
68ffbac6 | 559 | else |
a4551119 | 560 | if (isection->used_by_bfd != NULL) |
68ffbac6 | 561 | memcpy (osection->used_by_bfd, isection->used_by_bfd, |
a4551119 | 562 | sizeof (bfd_mach_o_section)); |
68ffbac6 | 563 | |
a4551119 TG |
564 | if (osection->used_by_bfd != NULL) |
565 | ((bfd_mach_o_section *)osection->used_by_bfd)->bfdsection = osection; | |
566 | ||
b34976b6 | 567 | return TRUE; |
3af9a47b NC |
568 | } |
569 | ||
570 | /* Copy any private info we understand from the input bfd | |
571 | to the output bfd. */ | |
572 | ||
154a1ee5 | 573 | bfd_boolean |
116c20d2 | 574 | bfd_mach_o_bfd_copy_private_bfd_data (bfd *ibfd, bfd *obfd) |
3af9a47b | 575 | { |
154a1ee5 TG |
576 | if (bfd_get_flavour (ibfd) != bfd_target_mach_o_flavour |
577 | || bfd_get_flavour (obfd) != bfd_target_mach_o_flavour) | |
578 | return TRUE; | |
579 | ||
3af9a47b NC |
580 | BFD_ASSERT (bfd_mach_o_valid (ibfd)); |
581 | BFD_ASSERT (bfd_mach_o_valid (obfd)); | |
582 | ||
154a1ee5 TG |
583 | /* FIXME: copy commands. */ |
584 | ||
b34976b6 | 585 | return TRUE; |
3af9a47b NC |
586 | } |
587 | ||
0c9ef0f0 TG |
588 | /* This allows us to set up to 32 bits of flags (unless we invent some |
589 | fiendish scheme to subdivide). For now, we'll just set the file flags | |
590 | without error checking - just overwrite. */ | |
68ffbac6 | 591 | |
0c9ef0f0 TG |
592 | bfd_boolean |
593 | bfd_mach_o_bfd_set_private_flags (bfd *abfd, flagword flags) | |
594 | { | |
595 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
596 | ||
597 | if (!mdata) | |
598 | return FALSE; | |
599 | ||
600 | mdata->header.flags = flags; | |
601 | return TRUE; | |
602 | } | |
603 | ||
046b007d | 604 | /* Count the total number of symbols. */ |
154a1ee5 | 605 | |
3af9a47b | 606 | static long |
116c20d2 | 607 | bfd_mach_o_count_symbols (bfd *abfd) |
3af9a47b | 608 | { |
046b007d | 609 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
3af9a47b | 610 | |
046b007d TG |
611 | if (mdata->symtab == NULL) |
612 | return 0; | |
613 | return mdata->symtab->nsyms; | |
3af9a47b NC |
614 | } |
615 | ||
154a1ee5 | 616 | long |
116c20d2 | 617 | bfd_mach_o_get_symtab_upper_bound (bfd *abfd) |
3af9a47b NC |
618 | { |
619 | long nsyms = bfd_mach_o_count_symbols (abfd); | |
620 | ||
3af9a47b NC |
621 | return ((nsyms + 1) * sizeof (asymbol *)); |
622 | } | |
623 | ||
154a1ee5 | 624 | long |
116c20d2 | 625 | bfd_mach_o_canonicalize_symtab (bfd *abfd, asymbol **alocation) |
3af9a47b | 626 | { |
046b007d | 627 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
3af9a47b | 628 | long nsyms = bfd_mach_o_count_symbols (abfd); |
046b007d TG |
629 | bfd_mach_o_symtab_command *sym = mdata->symtab; |
630 | unsigned long j; | |
3af9a47b NC |
631 | |
632 | if (nsyms < 0) | |
633 | return nsyms; | |
634 | ||
092d27ff TG |
635 | if (nsyms == 0) |
636 | { | |
637 | /* Do not try to read symbols if there are none. */ | |
638 | alocation[0] = NULL; | |
639 | return 0; | |
640 | } | |
641 | ||
afbb9e17 | 642 | if (!bfd_mach_o_read_symtab_symbols (abfd)) |
3af9a47b | 643 | { |
afbb9e17 TG |
644 | (*_bfd_error_handler) |
645 | (_("bfd_mach_o_canonicalize_symtab: unable to load symbols")); | |
046b007d TG |
646 | return 0; |
647 | } | |
3af9a47b | 648 | |
046b007d | 649 | BFD_ASSERT (sym->symbols != NULL); |
3af9a47b | 650 | |
046b007d TG |
651 | for (j = 0; j < sym->nsyms; j++) |
652 | alocation[j] = &sym->symbols[j].symbol; | |
3af9a47b | 653 | |
046b007d | 654 | alocation[j] = NULL; |
a95a4550 | 655 | |
3af9a47b NC |
656 | return nsyms; |
657 | } | |
658 | ||
aeefa1c9 TG |
659 | /* Create synthetic symbols for indirect symbols. */ |
660 | ||
b2b62060 TG |
661 | long |
662 | bfd_mach_o_get_synthetic_symtab (bfd *abfd, | |
663 | long symcount ATTRIBUTE_UNUSED, | |
664 | asymbol **syms ATTRIBUTE_UNUSED, | |
665 | long dynsymcount ATTRIBUTE_UNUSED, | |
666 | asymbol **dynsyms ATTRIBUTE_UNUSED, | |
667 | asymbol **ret) | |
668 | { | |
669 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
670 | bfd_mach_o_dysymtab_command *dysymtab = mdata->dysymtab; | |
671 | bfd_mach_o_symtab_command *symtab = mdata->symtab; | |
672 | asymbol *s; | |
673 | unsigned long count, i, j, n; | |
674 | size_t size; | |
675 | char *names; | |
676 | char *nul_name; | |
677 | ||
678 | *ret = NULL; | |
679 | ||
aeefa1c9 | 680 | /* Stop now if no symbols or no indirect symbols. */ |
b2b62060 TG |
681 | if (dysymtab == NULL || symtab == NULL || symtab->symbols == NULL) |
682 | return 0; | |
683 | ||
684 | if (dysymtab->nindirectsyms == 0) | |
685 | return 0; | |
686 | ||
aeefa1c9 TG |
687 | /* We need to allocate a bfd symbol for every indirect symbol and to |
688 | allocate the memory for its name. */ | |
b2b62060 TG |
689 | count = dysymtab->nindirectsyms; |
690 | size = count * sizeof (asymbol) + 1; | |
691 | ||
692 | for (j = 0; j < count; j++) | |
693 | { | |
694 | unsigned int isym = dysymtab->indirect_syms[j]; | |
aeefa1c9 TG |
695 | |
696 | /* Some indirect symbols are anonymous. */ | |
b2b62060 TG |
697 | if (isym < symtab->nsyms && symtab->symbols[isym].symbol.name) |
698 | size += strlen (symtab->symbols[isym].symbol.name) + sizeof ("$stub"); | |
699 | } | |
700 | ||
701 | s = *ret = (asymbol *) bfd_malloc (size); | |
702 | if (s == NULL) | |
703 | return -1; | |
704 | names = (char *) (s + count); | |
705 | nul_name = names; | |
706 | *names++ = 0; | |
68ffbac6 | 707 | |
b2b62060 TG |
708 | n = 0; |
709 | for (i = 0; i < mdata->nsects; i++) | |
710 | { | |
711 | bfd_mach_o_section *sec = mdata->sections[i]; | |
91d6fa6a | 712 | unsigned int first, last; |
b2b62060 TG |
713 | bfd_vma addr; |
714 | bfd_vma entry_size; | |
68ffbac6 | 715 | |
b2b62060 TG |
716 | switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK) |
717 | { | |
718 | case BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS: | |
719 | case BFD_MACH_O_S_LAZY_SYMBOL_POINTERS: | |
720 | case BFD_MACH_O_S_SYMBOL_STUBS: | |
aeefa1c9 | 721 | /* Only these sections have indirect symbols. */ |
b2b62060 TG |
722 | first = sec->reserved1; |
723 | last = first + bfd_mach_o_section_get_nbr_indirect (abfd, sec); | |
724 | addr = sec->addr; | |
725 | entry_size = bfd_mach_o_section_get_entry_size (abfd, sec); | |
726 | for (j = first; j < last; j++) | |
727 | { | |
728 | unsigned int isym = dysymtab->indirect_syms[j]; | |
729 | ||
730 | s->flags = BSF_GLOBAL | BSF_SYNTHETIC; | |
731 | s->section = sec->bfdsection; | |
732 | s->value = addr - sec->addr; | |
733 | s->udata.p = NULL; | |
68ffbac6 | 734 | |
b2b62060 TG |
735 | if (isym < symtab->nsyms |
736 | && symtab->symbols[isym].symbol.name) | |
737 | { | |
738 | const char *sym = symtab->symbols[isym].symbol.name; | |
739 | size_t len; | |
740 | ||
741 | s->name = names; | |
742 | len = strlen (sym); | |
743 | memcpy (names, sym, len); | |
744 | names += len; | |
745 | memcpy (names, "$stub", sizeof ("$stub")); | |
746 | names += sizeof ("$stub"); | |
747 | } | |
748 | else | |
749 | s->name = nul_name; | |
750 | ||
751 | addr += entry_size; | |
752 | s++; | |
753 | n++; | |
754 | } | |
755 | break; | |
756 | default: | |
757 | break; | |
758 | } | |
759 | } | |
760 | ||
761 | return n; | |
762 | } | |
763 | ||
154a1ee5 | 764 | void |
116c20d2 NC |
765 | bfd_mach_o_get_symbol_info (bfd *abfd ATTRIBUTE_UNUSED, |
766 | asymbol *symbol, | |
767 | symbol_info *ret) | |
3af9a47b NC |
768 | { |
769 | bfd_symbol_info (symbol, ret); | |
770 | } | |
771 | ||
154a1ee5 | 772 | void |
116c20d2 | 773 | bfd_mach_o_print_symbol (bfd *abfd, |
91d6fa6a | 774 | void * afile, |
116c20d2 NC |
775 | asymbol *symbol, |
776 | bfd_print_symbol_type how) | |
3af9a47b NC |
777 | { |
778 | FILE *file = (FILE *) afile; | |
15e1c58a | 779 | const char *name; |
92bc0e80 | 780 | bfd_mach_o_asymbol *asym = (bfd_mach_o_asymbol *)symbol; |
3af9a47b NC |
781 | |
782 | switch (how) | |
783 | { | |
784 | case bfd_print_symbol_name: | |
785 | fprintf (file, "%s", symbol->name); | |
786 | break; | |
787 | default: | |
91d6fa6a | 788 | bfd_print_symbol_vandf (abfd, (void *) file, symbol); |
92bc0e80 TG |
789 | if (asym->n_type & BFD_MACH_O_N_STAB) |
790 | name = bfd_get_stab_name (asym->n_type); | |
15e1c58a | 791 | else |
92bc0e80 | 792 | switch (asym->n_type & BFD_MACH_O_N_TYPE) |
15e1c58a TG |
793 | { |
794 | case BFD_MACH_O_N_UNDF: | |
e0ce1005 TG |
795 | if (symbol->value == 0) |
796 | name = "UND"; | |
797 | else | |
798 | name = "COM"; | |
15e1c58a TG |
799 | break; |
800 | case BFD_MACH_O_N_ABS: | |
801 | name = "ABS"; | |
802 | break; | |
803 | case BFD_MACH_O_N_INDR: | |
804 | name = "INDR"; | |
805 | break; | |
806 | case BFD_MACH_O_N_PBUD: | |
807 | name = "PBUD"; | |
808 | break; | |
809 | case BFD_MACH_O_N_SECT: | |
810 | name = "SECT"; | |
811 | break; | |
812 | default: | |
813 | name = "???"; | |
814 | break; | |
815 | } | |
816 | if (name == NULL) | |
817 | name = ""; | |
92bc0e80 TG |
818 | fprintf (file, " %02x %-6s %02x %04x", |
819 | asym->n_type, name, asym->n_sect, asym->n_desc); | |
820 | if ((asym->n_type & BFD_MACH_O_N_STAB) == 0 | |
821 | && (asym->n_type & BFD_MACH_O_N_TYPE) == BFD_MACH_O_N_SECT) | |
e0ce1005 | 822 | fprintf (file, " [%s]", symbol->section->name); |
15e1c58a | 823 | fprintf (file, " %s", symbol->name); |
3af9a47b NC |
824 | } |
825 | } | |
826 | ||
827 | static void | |
116c20d2 | 828 | bfd_mach_o_convert_architecture (bfd_mach_o_cpu_type mtype, |
0b2de107 | 829 | bfd_mach_o_cpu_subtype msubtype, |
116c20d2 NC |
830 | enum bfd_architecture *type, |
831 | unsigned long *subtype) | |
3af9a47b NC |
832 | { |
833 | *subtype = bfd_arch_unknown; | |
834 | ||
835 | switch (mtype) | |
836 | { | |
0b2de107 TG |
837 | case BFD_MACH_O_CPU_TYPE_VAX: |
838 | *type = bfd_arch_vax; | |
839 | break; | |
840 | case BFD_MACH_O_CPU_TYPE_MC680x0: | |
841 | *type = bfd_arch_m68k; | |
842 | break; | |
1e8a024a TG |
843 | case BFD_MACH_O_CPU_TYPE_I386: |
844 | *type = bfd_arch_i386; | |
845 | *subtype = bfd_mach_i386_i386; | |
846 | break; | |
847 | case BFD_MACH_O_CPU_TYPE_X86_64: | |
848 | *type = bfd_arch_i386; | |
849 | *subtype = bfd_mach_x86_64; | |
850 | break; | |
0b2de107 TG |
851 | case BFD_MACH_O_CPU_TYPE_MIPS: |
852 | *type = bfd_arch_mips; | |
853 | break; | |
854 | case BFD_MACH_O_CPU_TYPE_MC98000: | |
855 | *type = bfd_arch_m98k; | |
856 | break; | |
857 | case BFD_MACH_O_CPU_TYPE_HPPA: | |
858 | *type = bfd_arch_hppa; | |
859 | break; | |
860 | case BFD_MACH_O_CPU_TYPE_ARM: | |
861 | *type = bfd_arch_arm; | |
862 | switch (msubtype) | |
863 | { | |
864 | case BFD_MACH_O_CPU_SUBTYPE_ARM_V4T: | |
865 | *subtype = bfd_mach_arm_4T; | |
866 | break; | |
867 | case BFD_MACH_O_CPU_SUBTYPE_ARM_V6: | |
868 | *subtype = bfd_mach_arm_4T; /* Best fit ? */ | |
869 | break; | |
870 | case BFD_MACH_O_CPU_SUBTYPE_ARM_V5TEJ: | |
871 | *subtype = bfd_mach_arm_5TE; | |
872 | break; | |
873 | case BFD_MACH_O_CPU_SUBTYPE_ARM_XSCALE: | |
874 | *subtype = bfd_mach_arm_XScale; | |
875 | break; | |
876 | case BFD_MACH_O_CPU_SUBTYPE_ARM_V7: | |
877 | *subtype = bfd_mach_arm_5TE; /* Best fit ? */ | |
878 | break; | |
879 | case BFD_MACH_O_CPU_SUBTYPE_ARM_ALL: | |
880 | default: | |
881 | break; | |
882 | } | |
883 | break; | |
884 | case BFD_MACH_O_CPU_TYPE_MC88000: | |
885 | *type = bfd_arch_m88k; | |
886 | break; | |
1e8a024a TG |
887 | case BFD_MACH_O_CPU_TYPE_SPARC: |
888 | *type = bfd_arch_sparc; | |
889 | *subtype = bfd_mach_sparc; | |
890 | break; | |
0b2de107 TG |
891 | case BFD_MACH_O_CPU_TYPE_I860: |
892 | *type = bfd_arch_i860; | |
893 | break; | |
894 | case BFD_MACH_O_CPU_TYPE_ALPHA: | |
895 | *type = bfd_arch_alpha; | |
896 | break; | |
1e8a024a TG |
897 | case BFD_MACH_O_CPU_TYPE_POWERPC: |
898 | *type = bfd_arch_powerpc; | |
c2f09c75 | 899 | *subtype = bfd_mach_ppc; |
1e8a024a TG |
900 | break; |
901 | case BFD_MACH_O_CPU_TYPE_POWERPC_64: | |
902 | *type = bfd_arch_powerpc; | |
c2f09c75 | 903 | *subtype = bfd_mach_ppc64; |
1e8a024a | 904 | break; |
3af9a47b | 905 | default: |
1e8a024a TG |
906 | *type = bfd_arch_unknown; |
907 | break; | |
3af9a47b NC |
908 | } |
909 | } | |
a95a4550 | 910 | |
154a1ee5 | 911 | static bfd_boolean |
116c20d2 NC |
912 | bfd_mach_o_write_header (bfd *abfd, bfd_mach_o_header *header) |
913 | { | |
46d1c23b | 914 | struct mach_o_header_external raw; |
1e8a024a TG |
915 | unsigned int size; |
916 | ||
c2f09c75 | 917 | size = mach_o_wide_p (header) ? |
154a1ee5 | 918 | BFD_MACH_O_HEADER_64_SIZE : BFD_MACH_O_HEADER_SIZE; |
116c20d2 | 919 | |
46d1c23b TG |
920 | bfd_h_put_32 (abfd, header->magic, raw.magic); |
921 | bfd_h_put_32 (abfd, header->cputype, raw.cputype); | |
922 | bfd_h_put_32 (abfd, header->cpusubtype, raw.cpusubtype); | |
923 | bfd_h_put_32 (abfd, header->filetype, raw.filetype); | |
924 | bfd_h_put_32 (abfd, header->ncmds, raw.ncmds); | |
925 | bfd_h_put_32 (abfd, header->sizeofcmds, raw.sizeofcmds); | |
926 | bfd_h_put_32 (abfd, header->flags, raw.flags); | |
116c20d2 | 927 | |
c2f09c75 | 928 | if (mach_o_wide_p (header)) |
46d1c23b | 929 | bfd_h_put_32 (abfd, header->reserved, raw.reserved); |
1e8a024a | 930 | |
c2f09c75 | 931 | if (bfd_seek (abfd, 0, SEEK_SET) != 0 |
46d1c23b | 932 | || bfd_bwrite (&raw, size, abfd) != size) |
154a1ee5 | 933 | return FALSE; |
116c20d2 | 934 | |
154a1ee5 | 935 | return TRUE; |
116c20d2 NC |
936 | } |
937 | ||
938 | static int | |
ab273af8 | 939 | bfd_mach_o_write_thread (bfd *abfd, bfd_mach_o_load_command *command) |
116c20d2 NC |
940 | { |
941 | bfd_mach_o_thread_command *cmd = &command->command.thread; | |
942 | unsigned int i; | |
46d1c23b | 943 | struct mach_o_thread_command_external raw; |
92bc0e80 | 944 | unsigned int offset; |
116c20d2 NC |
945 | |
946 | BFD_ASSERT ((command->type == BFD_MACH_O_LC_THREAD) | |
947 | || (command->type == BFD_MACH_O_LC_UNIXTHREAD)); | |
948 | ||
949 | offset = 8; | |
116c20d2 NC |
950 | for (i = 0; i < cmd->nflavours; i++) |
951 | { | |
952 | BFD_ASSERT ((cmd->flavours[i].size % 4) == 0); | |
46d1c23b TG |
953 | BFD_ASSERT (cmd->flavours[i].offset == |
954 | (command->offset + offset + BFD_MACH_O_LC_SIZE)); | |
116c20d2 | 955 | |
46d1c23b TG |
956 | bfd_h_put_32 (abfd, cmd->flavours[i].flavour, raw.flavour); |
957 | bfd_h_put_32 (abfd, (cmd->flavours[i].size / 4), raw.count); | |
116c20d2 | 958 | |
c2f09c75 | 959 | if (bfd_seek (abfd, command->offset + offset, SEEK_SET) != 0 |
46d1c23b | 960 | || bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw)) |
116c20d2 NC |
961 | return -1; |
962 | ||
46d1c23b | 963 | offset += cmd->flavours[i].size + sizeof (raw); |
116c20d2 NC |
964 | } |
965 | ||
966 | return 0; | |
967 | } | |
968 | ||
92bc0e80 TG |
969 | long |
970 | bfd_mach_o_get_reloc_upper_bound (bfd *abfd ATTRIBUTE_UNUSED, | |
971 | asection *asect) | |
972 | { | |
973 | return (asect->reloc_count + 1) * sizeof (arelent *); | |
974 | } | |
975 | ||
19765f52 IS |
976 | /* In addition to the need to byte-swap the symbol number, the bit positions |
977 | of the fields in the relocation information vary per target endian-ness. */ | |
978 | ||
979 | static void | |
980 | bfd_mach_o_swap_in_non_scattered_reloc (bfd *abfd, bfd_mach_o_reloc_info *rel, | |
981 | unsigned char *fields) | |
982 | { | |
983 | unsigned char info = fields[3]; | |
984 | ||
985 | if (bfd_big_endian (abfd)) | |
986 | { | |
987 | rel->r_value = (fields[0] << 16) | (fields[1] << 8) | fields[2]; | |
988 | rel->r_type = (info >> BFD_MACH_O_BE_TYPE_SHIFT) & BFD_MACH_O_TYPE_MASK; | |
989 | rel->r_pcrel = (info & BFD_MACH_O_BE_PCREL) ? 1 : 0; | |
68ffbac6 | 990 | rel->r_length = (info >> BFD_MACH_O_BE_LENGTH_SHIFT) |
19765f52 IS |
991 | & BFD_MACH_O_LENGTH_MASK; |
992 | rel->r_extern = (info & BFD_MACH_O_BE_EXTERN) ? 1 : 0; | |
993 | } | |
994 | else | |
995 | { | |
996 | rel->r_value = (fields[2] << 16) | (fields[1] << 8) | fields[0]; | |
997 | rel->r_type = (info >> BFD_MACH_O_LE_TYPE_SHIFT) & BFD_MACH_O_TYPE_MASK; | |
998 | rel->r_pcrel = (info & BFD_MACH_O_LE_PCREL) ? 1 : 0; | |
68ffbac6 | 999 | rel->r_length = (info >> BFD_MACH_O_LE_LENGTH_SHIFT) |
19765f52 IS |
1000 | & BFD_MACH_O_LENGTH_MASK; |
1001 | rel->r_extern = (info & BFD_MACH_O_LE_EXTERN) ? 1 : 0; | |
1002 | } | |
1003 | } | |
1004 | ||
b32e07d7 | 1005 | static int |
46d1c23b TG |
1006 | bfd_mach_o_canonicalize_one_reloc (bfd *abfd, |
1007 | struct mach_o_reloc_info_external *raw, | |
b32e07d7 | 1008 | arelent *res, asymbol **syms) |
92bc0e80 | 1009 | { |
046b007d | 1010 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
92bc0e80 | 1011 | bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd); |
b32e07d7 TG |
1012 | bfd_mach_o_reloc_info reloc; |
1013 | bfd_vma addr; | |
b32e07d7 TG |
1014 | asymbol **sym; |
1015 | ||
46d1c23b | 1016 | addr = bfd_get_32 (abfd, raw->r_address); |
19765f52 IS |
1017 | res->sym_ptr_ptr = NULL; |
1018 | res->addend = 0; | |
f4716ee2 | 1019 | |
b32e07d7 TG |
1020 | if (addr & BFD_MACH_O_SR_SCATTERED) |
1021 | { | |
1022 | unsigned int j; | |
19765f52 | 1023 | bfd_vma symnum = bfd_get_32 (abfd, raw->r_symbolnum); |
b32e07d7 | 1024 | |
19765f52 IS |
1025 | /* Scattered relocation, can't be extern. */ |
1026 | reloc.r_scattered = 1; | |
1027 | reloc.r_extern = 0; | |
1028 | ||
1029 | /* Extract section and offset from r_value (symnum). */ | |
1030 | reloc.r_value = symnum; | |
1031 | /* FIXME: This breaks when a symbol in a reloc exactly follows the | |
1032 | end of the data for the section (e.g. in a calculation of section | |
1033 | data length). At present, the symbol will end up associated with | |
1034 | the following section or, if it falls within alignment padding, as | |
1035 | null - which will assert later. */ | |
b32e07d7 TG |
1036 | for (j = 0; j < mdata->nsects; j++) |
1037 | { | |
1038 | bfd_mach_o_section *sect = mdata->sections[j]; | |
1039 | if (symnum >= sect->addr && symnum < sect->addr + sect->size) | |
1040 | { | |
1041 | res->sym_ptr_ptr = sect->bfdsection->symbol_ptr_ptr; | |
1042 | res->addend = symnum - sect->addr; | |
1043 | break; | |
1044 | } | |
1045 | } | |
19765f52 IS |
1046 | |
1047 | /* Extract the info and address fields from r_address. */ | |
b32e07d7 TG |
1048 | reloc.r_type = BFD_MACH_O_GET_SR_TYPE (addr); |
1049 | reloc.r_length = BFD_MACH_O_GET_SR_LENGTH (addr); | |
1050 | reloc.r_pcrel = addr & BFD_MACH_O_SR_PCREL; | |
19765f52 IS |
1051 | reloc.r_address = BFD_MACH_O_GET_SR_TYPE (addr); |
1052 | res->address = BFD_MACH_O_GET_SR_ADDRESS (addr); | |
b32e07d7 TG |
1053 | } |
1054 | else | |
1055 | { | |
19765f52 | 1056 | unsigned int num; |
f4716ee2 | 1057 | |
19765f52 IS |
1058 | /* Non-scattered relocation. */ |
1059 | reloc.r_scattered = 0; | |
f4716ee2 | 1060 | |
19765f52 IS |
1061 | /* The value and info fields have to be extracted dependent on target |
1062 | endian-ness. */ | |
1063 | bfd_mach_o_swap_in_non_scattered_reloc (abfd, &reloc, raw->r_symbolnum); | |
1064 | num = reloc.r_value; | |
1065 | ||
1066 | if (reloc.r_extern) | |
f4716ee2 TG |
1067 | { |
1068 | /* An external symbol number. */ | |
1069 | sym = syms + num; | |
1070 | } | |
1071 | else if (num == 0x00ffffff) | |
1072 | { | |
1073 | /* The 'symnum' in a non-scattered PAIR is 0x00ffffff. But as this | |
1074 | is generic code, we don't know wether this is really a PAIR. | |
1075 | This value is almost certainly not a valid section number, hence | |
1076 | this specific case to avoid an assertion failure. | |
1077 | Target specific swap_reloc_in routine should adjust that. */ | |
1078 | sym = bfd_abs_section_ptr->symbol_ptr_ptr; | |
1079 | } | |
1080 | else | |
b32e07d7 | 1081 | { |
f4716ee2 | 1082 | /* A section number. */ |
b32e07d7 TG |
1083 | BFD_ASSERT (num != 0); |
1084 | BFD_ASSERT (num <= mdata->nsects); | |
f4716ee2 | 1085 | |
b32e07d7 | 1086 | sym = mdata->sections[num - 1]->bfdsection->symbol_ptr_ptr; |
1523fa24 TG |
1087 | /* For a symbol defined in section S, the addend (stored in the |
1088 | binary) contains the address of the section. To comply with | |
19765f52 | 1089 | bfd convention, subtract the section address. |
1523fa24 TG |
1090 | Use the address from the header, so that the user can modify |
1091 | the vma of the section. */ | |
1092 | res->addend = -mdata->sections[num - 1]->addr; | |
19765f52 | 1093 | } |
f4716ee2 TG |
1094 | /* Note: Pairs for PPC LO/HI/HA are not scattered, but contain the offset |
1095 | in the lower 16bits of the address value. So we have to find the | |
1096 | 'symbol' from the preceding reloc. We do this even though the | |
1097 | section symbol is probably not needed here, because NULL symbol | |
1098 | values cause an assert in generic BFD code. This must be done in | |
1099 | the PPC swap_reloc_in routine. */ | |
b32e07d7 | 1100 | res->sym_ptr_ptr = sym; |
f4716ee2 | 1101 | |
19765f52 IS |
1102 | /* The 'address' is just r_address. |
1103 | ??? maybe this should be masked with 0xffffff for safety. */ | |
1104 | res->address = addr; | |
1105 | reloc.r_address = addr; | |
b32e07d7 | 1106 | } |
f4716ee2 TG |
1107 | |
1108 | /* We have set up a reloc with all the information present, so the swapper | |
1109 | can modify address, value and addend fields, if necessary, to convey | |
1110 | information in the generic BFD reloc that is mach-o specific. */ | |
19765f52 | 1111 | |
b32e07d7 TG |
1112 | if (!(*bed->_bfd_mach_o_swap_reloc_in)(res, &reloc)) |
1113 | return -1; | |
1114 | return 0; | |
1115 | } | |
1116 | ||
1117 | static int | |
1118 | bfd_mach_o_canonicalize_relocs (bfd *abfd, unsigned long filepos, | |
1119 | unsigned long count, | |
1120 | arelent *res, asymbol **syms) | |
1121 | { | |
92bc0e80 | 1122 | unsigned long i; |
46d1c23b | 1123 | struct mach_o_reloc_info_external *native_relocs; |
92bc0e80 TG |
1124 | bfd_size_type native_size; |
1125 | ||
92bc0e80 | 1126 | /* Allocate and read relocs. */ |
b32e07d7 | 1127 | native_size = count * BFD_MACH_O_RELENT_SIZE; |
46d1c23b TG |
1128 | native_relocs = |
1129 | (struct mach_o_reloc_info_external *) bfd_malloc (native_size); | |
92bc0e80 TG |
1130 | if (native_relocs == NULL) |
1131 | return -1; | |
1132 | ||
b32e07d7 | 1133 | if (bfd_seek (abfd, filepos, SEEK_SET) != 0 |
92bc0e80 | 1134 | || bfd_bread (native_relocs, native_size, abfd) != native_size) |
b32e07d7 TG |
1135 | goto err; |
1136 | ||
1137 | for (i = 0; i < count; i++) | |
92bc0e80 | 1138 | { |
46d1c23b TG |
1139 | if (bfd_mach_o_canonicalize_one_reloc (abfd, &native_relocs[i], |
1140 | &res[i], syms) < 0) | |
b32e07d7 | 1141 | goto err; |
92bc0e80 | 1142 | } |
b32e07d7 TG |
1143 | free (native_relocs); |
1144 | return i; | |
1145 | err: | |
1146 | free (native_relocs); | |
1147 | return -1; | |
1148 | } | |
1149 | ||
1150 | long | |
1151 | bfd_mach_o_canonicalize_reloc (bfd *abfd, asection *asect, | |
1152 | arelent **rels, asymbol **syms) | |
1153 | { | |
1154 | bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd); | |
1155 | unsigned long i; | |
1156 | arelent *res; | |
1157 | ||
1158 | if (asect->reloc_count == 0) | |
1159 | return 0; | |
1160 | ||
1161 | /* No need to go further if we don't know how to read relocs. */ | |
1162 | if (bed->_bfd_mach_o_swap_reloc_in == NULL) | |
1163 | return 0; | |
92bc0e80 | 1164 | |
dff55db0 | 1165 | if (asect->relocation == NULL) |
92bc0e80 | 1166 | { |
dff55db0 TG |
1167 | res = bfd_malloc (asect->reloc_count * sizeof (arelent)); |
1168 | if (res == NULL) | |
1169 | return -1; | |
1170 | ||
1171 | if (bfd_mach_o_canonicalize_relocs (abfd, asect->rel_filepos, | |
1172 | asect->reloc_count, res, syms) < 0) | |
1173 | { | |
1174 | free (res); | |
1175 | return -1; | |
1176 | } | |
1177 | asect->relocation = res; | |
92bc0e80 TG |
1178 | } |
1179 | ||
dff55db0 | 1180 | res = asect->relocation; |
92bc0e80 | 1181 | for (i = 0; i < asect->reloc_count; i++) |
b32e07d7 TG |
1182 | rels[i] = &res[i]; |
1183 | rels[i] = NULL; | |
92bc0e80 | 1184 | |
b32e07d7 TG |
1185 | return i; |
1186 | } | |
92bc0e80 | 1187 | |
b32e07d7 TG |
1188 | long |
1189 | bfd_mach_o_get_dynamic_reloc_upper_bound (bfd *abfd) | |
1190 | { | |
1191 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
92bc0e80 | 1192 | |
b32e07d7 TG |
1193 | if (mdata->dysymtab == NULL) |
1194 | return 1; | |
dff55db0 | 1195 | return (mdata->dysymtab->nextrel + mdata->dysymtab->nlocrel + 1) |
b32e07d7 TG |
1196 | * sizeof (arelent *); |
1197 | } | |
92bc0e80 | 1198 | |
b32e07d7 TG |
1199 | long |
1200 | bfd_mach_o_canonicalize_dynamic_reloc (bfd *abfd, arelent **rels, | |
1201 | struct bfd_symbol **syms) | |
1202 | { | |
1203 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
1204 | bfd_mach_o_dysymtab_command *dysymtab = mdata->dysymtab; | |
1205 | bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd); | |
1206 | unsigned long i; | |
1207 | arelent *res; | |
1208 | ||
1209 | if (dysymtab == NULL) | |
1210 | return 0; | |
1211 | if (dysymtab->nextrel == 0 && dysymtab->nlocrel == 0) | |
1212 | return 0; | |
1213 | ||
1214 | /* No need to go further if we don't know how to read relocs. */ | |
1215 | if (bed->_bfd_mach_o_swap_reloc_in == NULL) | |
1216 | return 0; | |
1217 | ||
dff55db0 | 1218 | if (mdata->dyn_reloc_cache == NULL) |
b32e07d7 | 1219 | { |
dff55db0 TG |
1220 | res = bfd_malloc ((dysymtab->nextrel + dysymtab->nlocrel) |
1221 | * sizeof (arelent)); | |
1222 | if (res == NULL) | |
1223 | return -1; | |
b32e07d7 | 1224 | |
dff55db0 TG |
1225 | if (bfd_mach_o_canonicalize_relocs (abfd, dysymtab->extreloff, |
1226 | dysymtab->nextrel, res, syms) < 0) | |
1227 | { | |
1228 | free (res); | |
1229 | return -1; | |
1230 | } | |
1231 | ||
1232 | if (bfd_mach_o_canonicalize_relocs (abfd, dysymtab->locreloff, | |
1233 | dysymtab->nlocrel, | |
1234 | res + dysymtab->nextrel, syms) < 0) | |
1235 | { | |
1236 | free (res); | |
1237 | return -1; | |
1238 | } | |
1239 | ||
1240 | mdata->dyn_reloc_cache = res; | |
b32e07d7 TG |
1241 | } |
1242 | ||
dff55db0 | 1243 | res = mdata->dyn_reloc_cache; |
b32e07d7 TG |
1244 | for (i = 0; i < dysymtab->nextrel + dysymtab->nlocrel; i++) |
1245 | rels[i] = &res[i]; | |
1246 | rels[i] = NULL; | |
92bc0e80 TG |
1247 | return i; |
1248 | } | |
1249 | ||
19765f52 IS |
1250 | /* In addition to the need to byte-swap the symbol number, the bit positions |
1251 | of the fields in the relocation information vary per target endian-ness. */ | |
1252 | ||
1253 | static void | |
1254 | bfd_mach_o_swap_out_non_scattered_reloc (bfd *abfd, unsigned char *fields, | |
1255 | bfd_mach_o_reloc_info *rel) | |
1256 | { | |
1257 | unsigned char info = 0; | |
1258 | ||
1259 | BFD_ASSERT (rel->r_type <= 15); | |
1260 | BFD_ASSERT (rel->r_length <= 3); | |
1261 | ||
1262 | if (bfd_big_endian (abfd)) | |
1263 | { | |
1264 | fields[0] = (rel->r_value >> 16) & 0xff; | |
1265 | fields[1] = (rel->r_value >> 8) & 0xff; | |
1266 | fields[2] = rel->r_value & 0xff; | |
1267 | info |= rel->r_type << BFD_MACH_O_BE_TYPE_SHIFT; | |
1268 | info |= rel->r_pcrel ? BFD_MACH_O_BE_PCREL : 0; | |
1269 | info |= rel->r_length << BFD_MACH_O_BE_LENGTH_SHIFT; | |
1270 | info |= rel->r_extern ? BFD_MACH_O_BE_EXTERN : 0; | |
1271 | } | |
1272 | else | |
1273 | { | |
1274 | fields[2] = (rel->r_value >> 16) & 0xff; | |
1275 | fields[1] = (rel->r_value >> 8) & 0xff; | |
1276 | fields[0] = rel->r_value & 0xff; | |
1277 | info |= rel->r_type << BFD_MACH_O_LE_TYPE_SHIFT; | |
1278 | info |= rel->r_pcrel ? BFD_MACH_O_LE_PCREL : 0; | |
1279 | info |= rel->r_length << BFD_MACH_O_LE_LENGTH_SHIFT; | |
1280 | info |= rel->r_extern ? BFD_MACH_O_LE_EXTERN : 0; | |
1281 | } | |
1282 | fields[3] = info; | |
1283 | } | |
1284 | ||
92bc0e80 | 1285 | static bfd_boolean |
ab273af8 | 1286 | bfd_mach_o_write_relocs (bfd *abfd, bfd_mach_o_section *section) |
92bc0e80 | 1287 | { |
92bc0e80 TG |
1288 | unsigned int i; |
1289 | arelent **entries; | |
1290 | asection *sec; | |
1291 | bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd); | |
1292 | ||
1293 | sec = section->bfdsection; | |
1294 | if (sec->reloc_count == 0) | |
1295 | return TRUE; | |
1296 | ||
1297 | if (bed->_bfd_mach_o_swap_reloc_out == NULL) | |
1298 | return TRUE; | |
1299 | ||
92bc0e80 TG |
1300 | if (bfd_seek (abfd, section->reloff, SEEK_SET) != 0) |
1301 | return FALSE; | |
1302 | ||
1303 | /* Convert and write. */ | |
1304 | entries = section->bfdsection->orelocation; | |
1305 | for (i = 0; i < section->nreloc; i++) | |
1306 | { | |
1307 | arelent *rel = entries[i]; | |
46d1c23b | 1308 | struct mach_o_reloc_info_external raw; |
92bc0e80 TG |
1309 | bfd_mach_o_reloc_info info, *pinfo = &info; |
1310 | ||
1311 | /* Convert relocation to an intermediate representation. */ | |
1312 | if (!(*bed->_bfd_mach_o_swap_reloc_out) (rel, pinfo)) | |
1313 | return FALSE; | |
1314 | ||
1315 | /* Lower the relocation info. */ | |
1316 | if (pinfo->r_scattered) | |
1317 | { | |
1318 | unsigned long v; | |
1319 | ||
1320 | v = BFD_MACH_O_SR_SCATTERED | |
1321 | | (pinfo->r_pcrel ? BFD_MACH_O_SR_PCREL : 0) | |
1322 | | BFD_MACH_O_SET_SR_LENGTH(pinfo->r_length) | |
1323 | | BFD_MACH_O_SET_SR_TYPE(pinfo->r_type) | |
1324 | | BFD_MACH_O_SET_SR_ADDRESS(pinfo->r_address); | |
46d1c23b TG |
1325 | /* Note: scattered relocs have field in reverse order... */ |
1326 | bfd_put_32 (abfd, v, raw.r_address); | |
1327 | bfd_put_32 (abfd, pinfo->r_value, raw.r_symbolnum); | |
92bc0e80 TG |
1328 | } |
1329 | else | |
1330 | { | |
46d1c23b | 1331 | bfd_put_32 (abfd, pinfo->r_address, raw.r_address); |
19765f52 IS |
1332 | bfd_mach_o_swap_out_non_scattered_reloc (abfd, raw.r_symbolnum, |
1333 | pinfo); | |
92bc0e80 TG |
1334 | } |
1335 | ||
46d1c23b | 1336 | if (bfd_bwrite (&raw, BFD_MACH_O_RELENT_SIZE, abfd) |
92bc0e80 TG |
1337 | != BFD_MACH_O_RELENT_SIZE) |
1338 | return FALSE; | |
1339 | } | |
1340 | return TRUE; | |
1341 | } | |
1342 | ||
116c20d2 | 1343 | static int |
ab273af8 | 1344 | bfd_mach_o_write_section_32 (bfd *abfd, bfd_mach_o_section *section) |
116c20d2 | 1345 | { |
46d1c23b TG |
1346 | struct mach_o_section_32_external raw; |
1347 | ||
1348 | memcpy (raw.sectname, section->sectname, 16); | |
72b5104c | 1349 | memcpy (raw.segname, section->segname, 16); |
46d1c23b TG |
1350 | bfd_h_put_32 (abfd, section->addr, raw.addr); |
1351 | bfd_h_put_32 (abfd, section->size, raw.size); | |
1352 | bfd_h_put_32 (abfd, section->offset, raw.offset); | |
1353 | bfd_h_put_32 (abfd, section->align, raw.align); | |
1354 | bfd_h_put_32 (abfd, section->reloff, raw.reloff); | |
1355 | bfd_h_put_32 (abfd, section->nreloc, raw.nreloc); | |
1356 | bfd_h_put_32 (abfd, section->flags, raw.flags); | |
1357 | bfd_h_put_32 (abfd, section->reserved1, raw.reserved1); | |
1358 | bfd_h_put_32 (abfd, section->reserved2, raw.reserved2); | |
1359 | ||
1360 | if (bfd_bwrite (&raw, BFD_MACH_O_SECTION_SIZE, abfd) | |
92bc0e80 | 1361 | != BFD_MACH_O_SECTION_SIZE) |
116c20d2 NC |
1362 | return -1; |
1363 | ||
1364 | return 0; | |
1365 | } | |
1366 | ||
1367 | static int | |
ab273af8 | 1368 | bfd_mach_o_write_section_64 (bfd *abfd, bfd_mach_o_section *section) |
116c20d2 | 1369 | { |
46d1c23b TG |
1370 | struct mach_o_section_64_external raw; |
1371 | ||
1372 | memcpy (raw.sectname, section->sectname, 16); | |
1373 | memcpy (raw.segname, section->segname, 16); | |
1374 | bfd_h_put_64 (abfd, section->addr, raw.addr); | |
1375 | bfd_h_put_64 (abfd, section->size, raw.size); | |
1376 | bfd_h_put_32 (abfd, section->offset, raw.offset); | |
1377 | bfd_h_put_32 (abfd, section->align, raw.align); | |
1378 | bfd_h_put_32 (abfd, section->reloff, raw.reloff); | |
1379 | bfd_h_put_32 (abfd, section->nreloc, raw.nreloc); | |
1380 | bfd_h_put_32 (abfd, section->flags, raw.flags); | |
1381 | bfd_h_put_32 (abfd, section->reserved1, raw.reserved1); | |
1382 | bfd_h_put_32 (abfd, section->reserved2, raw.reserved2); | |
1383 | bfd_h_put_32 (abfd, section->reserved3, raw.reserved3); | |
1384 | ||
1385 | if (bfd_bwrite (&raw, BFD_MACH_O_SECTION_64_SIZE, abfd) | |
92bc0e80 | 1386 | != BFD_MACH_O_SECTION_64_SIZE) |
116c20d2 NC |
1387 | return -1; |
1388 | ||
1e8a024a TG |
1389 | return 0; |
1390 | } | |
1391 | ||
1392 | static int | |
ab273af8 | 1393 | bfd_mach_o_write_segment_32 (bfd *abfd, bfd_mach_o_load_command *command) |
1e8a024a | 1394 | { |
46d1c23b | 1395 | struct mach_o_segment_command_32_external raw; |
1e8a024a | 1396 | bfd_mach_o_segment_command *seg = &command->command.segment; |
f1bde64c | 1397 | bfd_mach_o_section *sec; |
1e8a024a | 1398 | |
c2f09c75 TG |
1399 | BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT); |
1400 | ||
f1bde64c TG |
1401 | for (sec = seg->sect_head; sec != NULL; sec = sec->next) |
1402 | if (!bfd_mach_o_write_relocs (abfd, sec)) | |
92bc0e80 | 1403 | return -1; |
c2f09c75 | 1404 | |
46d1c23b TG |
1405 | memcpy (raw.segname, seg->segname, 16); |
1406 | bfd_h_put_32 (abfd, seg->vmaddr, raw.vmaddr); | |
1407 | bfd_h_put_32 (abfd, seg->vmsize, raw.vmsize); | |
1408 | bfd_h_put_32 (abfd, seg->fileoff, raw.fileoff); | |
1409 | bfd_h_put_32 (abfd, seg->filesize, raw.filesize); | |
1410 | bfd_h_put_32 (abfd, seg->maxprot, raw.maxprot); | |
1411 | bfd_h_put_32 (abfd, seg->initprot, raw.initprot); | |
1412 | bfd_h_put_32 (abfd, seg->nsects, raw.nsects); | |
1413 | bfd_h_put_32 (abfd, seg->flags, raw.flags); | |
68ffbac6 | 1414 | |
46d1c23b TG |
1415 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 |
1416 | || bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
c2f09c75 | 1417 | return -1; |
1e8a024a | 1418 | |
f1bde64c TG |
1419 | for (sec = seg->sect_head; sec != NULL; sec = sec->next) |
1420 | if (bfd_mach_o_write_section_32 (abfd, sec)) | |
92bc0e80 | 1421 | return -1; |
1e8a024a | 1422 | |
116c20d2 NC |
1423 | return 0; |
1424 | } | |
1425 | ||
1e8a024a | 1426 | static int |
ab273af8 | 1427 | bfd_mach_o_write_segment_64 (bfd *abfd, bfd_mach_o_load_command *command) |
1e8a024a | 1428 | { |
46d1c23b | 1429 | struct mach_o_segment_command_64_external raw; |
c2f09c75 | 1430 | bfd_mach_o_segment_command *seg = &command->command.segment; |
f1bde64c | 1431 | bfd_mach_o_section *sec; |
c2f09c75 TG |
1432 | |
1433 | BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT_64); | |
1434 | ||
f1bde64c TG |
1435 | for (sec = seg->sect_head; sec != NULL; sec = sec->next) |
1436 | if (!bfd_mach_o_write_relocs (abfd, sec)) | |
92bc0e80 | 1437 | return -1; |
c2f09c75 | 1438 | |
46d1c23b TG |
1439 | memcpy (raw.segname, seg->segname, 16); |
1440 | bfd_h_put_64 (abfd, seg->vmaddr, raw.vmaddr); | |
1441 | bfd_h_put_64 (abfd, seg->vmsize, raw.vmsize); | |
1442 | bfd_h_put_64 (abfd, seg->fileoff, raw.fileoff); | |
1443 | bfd_h_put_64 (abfd, seg->filesize, raw.filesize); | |
1444 | bfd_h_put_32 (abfd, seg->maxprot, raw.maxprot); | |
1445 | bfd_h_put_32 (abfd, seg->initprot, raw.initprot); | |
1446 | bfd_h_put_32 (abfd, seg->nsects, raw.nsects); | |
1447 | bfd_h_put_32 (abfd, seg->flags, raw.flags); | |
1448 | ||
1449 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 | |
1450 | || bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
c2f09c75 TG |
1451 | return -1; |
1452 | ||
f1bde64c TG |
1453 | for (sec = seg->sect_head; sec != NULL; sec = sec->next) |
1454 | if (bfd_mach_o_write_section_64 (abfd, sec)) | |
92bc0e80 | 1455 | return -1; |
c2f09c75 | 1456 | |
c2f09c75 | 1457 | return 0; |
1e8a024a TG |
1458 | } |
1459 | ||
c2f09c75 | 1460 | static bfd_boolean |
ab273af8 | 1461 | bfd_mach_o_write_symtab (bfd *abfd, bfd_mach_o_load_command *command) |
116c20d2 | 1462 | { |
046b007d | 1463 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
116c20d2 | 1464 | bfd_mach_o_symtab_command *sym = &command->command.symtab; |
116c20d2 | 1465 | unsigned long i; |
c2f09c75 | 1466 | unsigned int wide = bfd_mach_o_wide_p (abfd); |
046b007d | 1467 | unsigned int symlen = wide ? BFD_MACH_O_NLIST_64_SIZE : BFD_MACH_O_NLIST_SIZE; |
c2f09c75 TG |
1468 | struct bfd_strtab_hash *strtab; |
1469 | asymbol **symbols = bfd_get_outsymbols (abfd); | |
1470 | ||
1471 | BFD_ASSERT (command->type == BFD_MACH_O_LC_SYMTAB); | |
1472 | ||
1473 | /* Write the symbols first. */ | |
92bc0e80 TG |
1474 | mdata->filelen = FILE_ALIGN(mdata->filelen, wide ? 3 : 2); |
1475 | sym->symoff = mdata->filelen; | |
c2f09c75 TG |
1476 | if (bfd_seek (abfd, sym->symoff, SEEK_SET) != 0) |
1477 | return FALSE; | |
1478 | ||
1479 | sym->nsyms = bfd_get_symcount (abfd); | |
92bc0e80 | 1480 | mdata->filelen += sym->nsyms * symlen; |
c2f09c75 TG |
1481 | |
1482 | strtab = _bfd_stringtab_init (); | |
1483 | if (strtab == NULL) | |
1484 | return FALSE; | |
116c20d2 | 1485 | |
a4551119 TG |
1486 | if (sym->nsyms > 0) |
1487 | /* Although we don't strictly need to do this, for compatibility with | |
1488 | Darwin system tools, actually output an empty string for the index | |
1489 | 0 entry. */ | |
1490 | _bfd_stringtab_add (strtab, "", TRUE, FALSE); | |
1491 | ||
116c20d2 NC |
1492 | for (i = 0; i < sym->nsyms; i++) |
1493 | { | |
91d6fa6a | 1494 | bfd_size_type str_index; |
92bc0e80 | 1495 | bfd_mach_o_asymbol *s = (bfd_mach_o_asymbol *)symbols[i]; |
68ffbac6 | 1496 | |
92bc0e80 | 1497 | if (s->symbol.name == 0 || s->symbol.name[0] == '\0') |
7f307238 | 1498 | /* An index of 0 always means the empty string. */ |
91d6fa6a | 1499 | str_index = 0; |
c2f09c75 TG |
1500 | else |
1501 | { | |
91d6fa6a | 1502 | str_index = _bfd_stringtab_add (strtab, s->symbol.name, TRUE, FALSE); |
7f307238 | 1503 | |
91d6fa6a | 1504 | if (str_index == (bfd_size_type) -1) |
c2f09c75 TG |
1505 | goto err; |
1506 | } | |
46d1c23b | 1507 | |
c2f09c75 | 1508 | if (wide) |
46d1c23b TG |
1509 | { |
1510 | struct mach_o_nlist_64_external raw; | |
1511 | ||
1512 | bfd_h_put_32 (abfd, str_index, raw.n_strx); | |
1513 | bfd_h_put_8 (abfd, s->n_type, raw.n_type); | |
1514 | bfd_h_put_8 (abfd, s->n_sect, raw.n_sect); | |
1515 | bfd_h_put_16 (abfd, s->n_desc, raw.n_desc); | |
1516 | bfd_h_put_64 (abfd, s->symbol.section->vma + s->symbol.value, | |
1517 | raw.n_value); | |
1518 | ||
1519 | if (bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
1520 | goto err; | |
1521 | } | |
c2f09c75 | 1522 | else |
46d1c23b TG |
1523 | { |
1524 | struct mach_o_nlist_external raw; | |
116c20d2 | 1525 | |
46d1c23b TG |
1526 | bfd_h_put_32 (abfd, str_index, raw.n_strx); |
1527 | bfd_h_put_8 (abfd, s->n_type, raw.n_type); | |
1528 | bfd_h_put_8 (abfd, s->n_sect, raw.n_sect); | |
1529 | bfd_h_put_16 (abfd, s->n_desc, raw.n_desc); | |
1530 | bfd_h_put_32 (abfd, s->symbol.section->vma + s->symbol.value, | |
1531 | raw.n_value); | |
1532 | ||
1533 | if (bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
1534 | goto err; | |
1535 | } | |
116c20d2 | 1536 | } |
c2f09c75 | 1537 | sym->strsize = _bfd_stringtab_size (strtab); |
92bc0e80 TG |
1538 | sym->stroff = mdata->filelen; |
1539 | mdata->filelen += sym->strsize; | |
116c20d2 | 1540 | |
c2f09c75 TG |
1541 | if (_bfd_stringtab_emit (abfd, strtab) != TRUE) |
1542 | goto err; | |
1543 | _bfd_stringtab_free (strtab); | |
116c20d2 | 1544 | |
c2f09c75 | 1545 | /* The command. */ |
46d1c23b TG |
1546 | { |
1547 | struct mach_o_symtab_command_external raw; | |
116c20d2 | 1548 | |
46d1c23b TG |
1549 | bfd_h_put_32 (abfd, sym->symoff, raw.symoff); |
1550 | bfd_h_put_32 (abfd, sym->nsyms, raw.nsyms); | |
1551 | bfd_h_put_32 (abfd, sym->stroff, raw.stroff); | |
1552 | bfd_h_put_32 (abfd, sym->strsize, raw.strsize); | |
1553 | ||
1554 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 | |
1555 | || bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
1556 | return FALSE; | |
1557 | } | |
116c20d2 | 1558 | |
c2f09c75 | 1559 | return TRUE; |
116c20d2 | 1560 | |
c2f09c75 TG |
1561 | err: |
1562 | _bfd_stringtab_free (strtab); | |
1563 | return FALSE; | |
116c20d2 NC |
1564 | } |
1565 | ||
7f307238 IS |
1566 | /* Write a dysymtab command. |
1567 | TODO: Possibly coalesce writes of smaller objects. */ | |
1568 | ||
1569 | static bfd_boolean | |
1570 | bfd_mach_o_write_dysymtab (bfd *abfd, bfd_mach_o_load_command *command) | |
1571 | { | |
1572 | bfd_mach_o_dysymtab_command *cmd = &command->command.dysymtab; | |
1573 | ||
1574 | BFD_ASSERT (command->type == BFD_MACH_O_LC_DYSYMTAB); | |
1575 | ||
1576 | if (cmd->nmodtab != 0) | |
1577 | { | |
1578 | unsigned int i; | |
1579 | ||
1580 | if (bfd_seek (abfd, cmd->modtaboff, SEEK_SET) != 0) | |
1581 | return FALSE; | |
1582 | ||
1583 | for (i = 0; i < cmd->nmodtab; i++) | |
1584 | { | |
1585 | bfd_mach_o_dylib_module *module = &cmd->dylib_module[i]; | |
1586 | unsigned int iinit; | |
1587 | unsigned int ninit; | |
1588 | ||
1589 | iinit = module->iinit & 0xffff; | |
1590 | iinit |= ((module->iterm & 0xffff) << 16); | |
1591 | ||
1592 | ninit = module->ninit & 0xffff; | |
1593 | ninit |= ((module->nterm & 0xffff) << 16); | |
1594 | ||
1595 | if (bfd_mach_o_wide_p (abfd)) | |
1596 | { | |
1597 | struct mach_o_dylib_module_64_external w; | |
1598 | ||
1599 | bfd_h_put_32 (abfd, module->module_name_idx, &w.module_name); | |
1600 | bfd_h_put_32 (abfd, module->iextdefsym, &w.iextdefsym); | |
1601 | bfd_h_put_32 (abfd, module->nextdefsym, &w.nextdefsym); | |
1602 | bfd_h_put_32 (abfd, module->irefsym, &w.irefsym); | |
1603 | bfd_h_put_32 (abfd, module->nrefsym, &w.nrefsym); | |
1604 | bfd_h_put_32 (abfd, module->ilocalsym, &w.ilocalsym); | |
1605 | bfd_h_put_32 (abfd, module->nlocalsym, &w.nlocalsym); | |
1606 | bfd_h_put_32 (abfd, module->iextrel, &w.iextrel); | |
1607 | bfd_h_put_32 (abfd, module->nextrel, &w.nextrel); | |
1608 | bfd_h_put_32 (abfd, iinit, &w.iinit_iterm); | |
1609 | bfd_h_put_32 (abfd, ninit, &w.ninit_nterm); | |
1610 | bfd_h_put_64 (abfd, module->objc_module_info_addr, | |
1611 | &w.objc_module_info_addr); | |
1612 | bfd_h_put_32 (abfd, module->objc_module_info_size, | |
1613 | &w.objc_module_info_size); | |
1614 | ||
1615 | if (bfd_bwrite ((void *) &w, sizeof (w), abfd) != sizeof (w)) | |
1616 | return FALSE; | |
1617 | } | |
1618 | else | |
1619 | { | |
1620 | struct mach_o_dylib_module_external n; | |
1621 | ||
1622 | bfd_h_put_32 (abfd, module->module_name_idx, &n.module_name); | |
1623 | bfd_h_put_32 (abfd, module->iextdefsym, &n.iextdefsym); | |
1624 | bfd_h_put_32 (abfd, module->nextdefsym, &n.nextdefsym); | |
1625 | bfd_h_put_32 (abfd, module->irefsym, &n.irefsym); | |
1626 | bfd_h_put_32 (abfd, module->nrefsym, &n.nrefsym); | |
1627 | bfd_h_put_32 (abfd, module->ilocalsym, &n.ilocalsym); | |
1628 | bfd_h_put_32 (abfd, module->nlocalsym, &n.nlocalsym); | |
1629 | bfd_h_put_32 (abfd, module->iextrel, &n.iextrel); | |
1630 | bfd_h_put_32 (abfd, module->nextrel, &n.nextrel); | |
1631 | bfd_h_put_32 (abfd, iinit, &n.iinit_iterm); | |
1632 | bfd_h_put_32 (abfd, ninit, &n.ninit_nterm); | |
1633 | bfd_h_put_32 (abfd, module->objc_module_info_addr, | |
1634 | &n.objc_module_info_addr); | |
1635 | bfd_h_put_32 (abfd, module->objc_module_info_size, | |
1636 | &n.objc_module_info_size); | |
1637 | ||
1638 | if (bfd_bwrite ((void *) &n, sizeof (n), abfd) != sizeof (n)) | |
1639 | return FALSE; | |
1640 | } | |
1641 | } | |
1642 | } | |
1643 | ||
1644 | if (cmd->ntoc != 0) | |
1645 | { | |
1646 | unsigned int i; | |
1647 | ||
1648 | if (bfd_seek (abfd, cmd->tocoff, SEEK_SET) != 0) | |
1649 | return FALSE; | |
1650 | ||
1651 | for (i = 0; i < cmd->ntoc; i++) | |
1652 | { | |
1653 | struct mach_o_dylib_table_of_contents_external raw; | |
1654 | bfd_mach_o_dylib_table_of_content *toc = &cmd->dylib_toc[i]; | |
1655 | ||
1656 | bfd_h_put_32 (abfd, toc->symbol_index, &raw.symbol_index); | |
1657 | bfd_h_put_32 (abfd, toc->module_index, &raw.module_index); | |
1658 | ||
1659 | if (bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
1660 | return FALSE; | |
1661 | } | |
1662 | } | |
68ffbac6 | 1663 | |
7f307238 IS |
1664 | if (cmd->nindirectsyms > 0) |
1665 | { | |
1666 | unsigned int i; | |
1667 | ||
1668 | if (bfd_seek (abfd, cmd->indirectsymoff, SEEK_SET) != 0) | |
1669 | return FALSE; | |
1670 | ||
1671 | for (i = 0; i < cmd->nindirectsyms; ++i) | |
1672 | { | |
1673 | unsigned char raw[4]; | |
1674 | ||
1675 | bfd_h_put_32 (abfd, cmd->indirect_syms[i], &raw); | |
1676 | if (bfd_bwrite (raw, sizeof (raw), abfd) != sizeof (raw)) | |
1677 | return FALSE; | |
68ffbac6 | 1678 | } |
7f307238 IS |
1679 | } |
1680 | ||
1681 | if (cmd->nextrefsyms != 0) | |
1682 | { | |
1683 | unsigned int i; | |
1684 | ||
1685 | if (bfd_seek (abfd, cmd->extrefsymoff, SEEK_SET) != 0) | |
1686 | return FALSE; | |
1687 | ||
1688 | for (i = 0; i < cmd->nextrefsyms; i++) | |
1689 | { | |
1690 | unsigned long v; | |
1691 | unsigned char raw[4]; | |
1692 | bfd_mach_o_dylib_reference *ref = &cmd->ext_refs[i]; | |
1693 | ||
1694 | /* Fields isym and flags are written as bit-fields, thus we need | |
1695 | a specific processing for endianness. */ | |
1696 | ||
1697 | if (bfd_big_endian (abfd)) | |
1698 | { | |
1699 | v = ((ref->isym & 0xffffff) << 8); | |
1700 | v |= ref->flags & 0xff; | |
1701 | } | |
1702 | else | |
1703 | { | |
1704 | v = ref->isym & 0xffffff; | |
1705 | v |= ((ref->flags & 0xff) << 24); | |
1706 | } | |
1707 | ||
1708 | bfd_h_put_32 (abfd, v, raw); | |
1709 | if (bfd_bwrite (raw, sizeof (raw), abfd) != sizeof (raw)) | |
1710 | return FALSE; | |
1711 | } | |
1712 | } | |
1713 | ||
1714 | /* The command. */ | |
1715 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0) | |
1716 | return FALSE; | |
1717 | else | |
1718 | { | |
1719 | struct mach_o_dysymtab_command_external raw; | |
1720 | ||
1721 | bfd_h_put_32 (abfd, cmd->ilocalsym, &raw.ilocalsym); | |
1722 | bfd_h_put_32 (abfd, cmd->nlocalsym, &raw.nlocalsym); | |
1723 | bfd_h_put_32 (abfd, cmd->iextdefsym, &raw.iextdefsym); | |
1724 | bfd_h_put_32 (abfd, cmd->nextdefsym, &raw.nextdefsym); | |
1725 | bfd_h_put_32 (abfd, cmd->iundefsym, &raw.iundefsym); | |
1726 | bfd_h_put_32 (abfd, cmd->nundefsym, &raw.nundefsym); | |
1727 | bfd_h_put_32 (abfd, cmd->tocoff, &raw.tocoff); | |
1728 | bfd_h_put_32 (abfd, cmd->ntoc, &raw.ntoc); | |
1729 | bfd_h_put_32 (abfd, cmd->modtaboff, &raw.modtaboff); | |
1730 | bfd_h_put_32 (abfd, cmd->nmodtab, &raw.nmodtab); | |
1731 | bfd_h_put_32 (abfd, cmd->extrefsymoff, &raw.extrefsymoff); | |
1732 | bfd_h_put_32 (abfd, cmd->nextrefsyms, &raw.nextrefsyms); | |
1733 | bfd_h_put_32 (abfd, cmd->indirectsymoff, &raw.indirectsymoff); | |
1734 | bfd_h_put_32 (abfd, cmd->nindirectsyms, &raw.nindirectsyms); | |
1735 | bfd_h_put_32 (abfd, cmd->extreloff, &raw.extreloff); | |
1736 | bfd_h_put_32 (abfd, cmd->nextrel, &raw.nextrel); | |
1737 | bfd_h_put_32 (abfd, cmd->locreloff, &raw.locreloff); | |
1738 | bfd_h_put_32 (abfd, cmd->nlocrel, &raw.nlocrel); | |
1739 | ||
1740 | if (bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
1741 | return FALSE; | |
1742 | } | |
1743 | ||
1744 | return TRUE; | |
1745 | } | |
1746 | ||
1747 | static unsigned | |
b22161d6 | 1748 | bfd_mach_o_primary_symbol_sort_key (bfd_mach_o_asymbol *s) |
7f307238 | 1749 | { |
b22161d6 | 1750 | unsigned mtyp = s->n_type & BFD_MACH_O_N_TYPE; |
68588f95 IS |
1751 | |
1752 | /* Just leave debug symbols where they are (pretend they are local, and | |
1753 | then they will just be sorted on position). */ | |
b22161d6 | 1754 | if (s->n_type & BFD_MACH_O_N_STAB) |
68588f95 IS |
1755 | return 0; |
1756 | ||
7f307238 | 1757 | /* Local (we should never see an undefined local AFAICT). */ |
b22161d6 | 1758 | if (! (s->n_type & (BFD_MACH_O_N_EXT | BFD_MACH_O_N_PEXT))) |
7f307238 IS |
1759 | return 0; |
1760 | ||
1761 | /* Common symbols look like undefined externs. */ | |
68588f95 | 1762 | if (mtyp == BFD_MACH_O_N_UNDF) |
7f307238 IS |
1763 | return 2; |
1764 | ||
b22161d6 | 1765 | /* A defined non-local, non-debug symbol. */ |
7f307238 IS |
1766 | return 1; |
1767 | } | |
1768 | ||
1769 | static int | |
1770 | bfd_mach_o_cf_symbols (const void *a, const void *b) | |
1771 | { | |
1772 | bfd_mach_o_asymbol *sa = *(bfd_mach_o_asymbol **) a; | |
1773 | bfd_mach_o_asymbol *sb = *(bfd_mach_o_asymbol **) b; | |
1774 | unsigned int soa, sob; | |
1775 | ||
b22161d6 IS |
1776 | soa = bfd_mach_o_primary_symbol_sort_key (sa); |
1777 | sob = bfd_mach_o_primary_symbol_sort_key (sb); | |
7f307238 IS |
1778 | if (soa < sob) |
1779 | return -1; | |
1780 | ||
1781 | if (soa > sob) | |
1782 | return 1; | |
1783 | ||
68588f95 | 1784 | /* If it's local or stab, just preserve the input order. */ |
7f307238 IS |
1785 | if (soa == 0) |
1786 | { | |
1787 | if (sa->symbol.udata.i < sb->symbol.udata.i) | |
1788 | return -1; | |
1789 | if (sa->symbol.udata.i > sb->symbol.udata.i) | |
1790 | return 1; | |
b22161d6 IS |
1791 | |
1792 | /* This is probably an error. */ | |
7f307238 IS |
1793 | return 0; |
1794 | } | |
1795 | ||
b22161d6 IS |
1796 | /* The second sort key is name. */ |
1797 | return strcmp (sa->symbol.name, sb->symbol.name); | |
7f307238 IS |
1798 | } |
1799 | ||
1800 | /* Process the symbols. | |
1801 | ||
1802 | This should be OK for single-module files - but it is not likely to work | |
1803 | for multi-module shared libraries. | |
1804 | ||
1805 | (a) If the application has not filled in the relevant mach-o fields, make | |
1806 | an estimate. | |
1807 | ||
1808 | (b) Order them, like this: | |
1809 | ( i) local. | |
1810 | (unsorted) | |
1811 | ( ii) external defined | |
1812 | (by name) | |
b22161d6 | 1813 | (iii) external undefined/common |
7f307238 IS |
1814 | (by name) |
1815 | ( iv) common | |
1816 | (by name) | |
b22161d6 | 1817 | */ |
92bc0e80 TG |
1818 | |
1819 | static bfd_boolean | |
b22161d6 | 1820 | bfd_mach_o_mangle_symbols (bfd *abfd) |
92bc0e80 TG |
1821 | { |
1822 | unsigned long i; | |
1823 | asymbol **symbols = bfd_get_outsymbols (abfd); | |
1824 | ||
7f307238 IS |
1825 | if (symbols == NULL || bfd_get_symcount (abfd) == 0) |
1826 | return TRUE; | |
1827 | ||
92bc0e80 TG |
1828 | for (i = 0; i < bfd_get_symcount (abfd); i++) |
1829 | { | |
1830 | bfd_mach_o_asymbol *s = (bfd_mach_o_asymbol *)symbols[i]; | |
1831 | ||
b22161d6 IS |
1832 | /* We use this value, which is out-of-range as a symbol index, to signal |
1833 | that the mach-o-specific data are not filled in and need to be created | |
1834 | from the bfd values. It is much preferable for the application to do | |
1835 | this, since more meaningful diagnostics can be made that way. */ | |
1836 | ||
1837 | if (s->symbol.udata.i == SYM_MACHO_FIELDS_UNSET) | |
92bc0e80 | 1838 | { |
b22161d6 IS |
1839 | /* No symbol information has been set - therefore determine |
1840 | it from the bfd symbol flags/info. */ | |
92bc0e80 TG |
1841 | if (s->symbol.section == bfd_abs_section_ptr) |
1842 | s->n_type = BFD_MACH_O_N_ABS; | |
1843 | else if (s->symbol.section == bfd_und_section_ptr) | |
1844 | { | |
1845 | s->n_type = BFD_MACH_O_N_UNDF; | |
1846 | if (s->symbol.flags & BSF_WEAK) | |
1847 | s->n_desc |= BFD_MACH_O_N_WEAK_REF; | |
7f307238 IS |
1848 | /* mach-o automatically makes undefined symbols extern. */ |
1849 | s->n_type |= BFD_MACH_O_N_EXT; | |
b22161d6 | 1850 | s->symbol.flags |= BSF_GLOBAL; |
92bc0e80 TG |
1851 | } |
1852 | else if (s->symbol.section == bfd_com_section_ptr) | |
b22161d6 IS |
1853 | { |
1854 | s->n_type = BFD_MACH_O_N_UNDF | BFD_MACH_O_N_EXT; | |
1855 | s->symbol.flags |= BSF_GLOBAL; | |
1856 | } | |
92bc0e80 TG |
1857 | else |
1858 | s->n_type = BFD_MACH_O_N_SECT; | |
68ffbac6 | 1859 | |
92bc0e80 TG |
1860 | if (s->symbol.flags & BSF_GLOBAL) |
1861 | s->n_type |= BFD_MACH_O_N_EXT; | |
1862 | } | |
1863 | ||
7f307238 | 1864 | /* Put the section index in, where required. */ |
68588f95 | 1865 | if ((s->symbol.section != bfd_abs_section_ptr |
92bc0e80 TG |
1866 | && s->symbol.section != bfd_und_section_ptr |
1867 | && s->symbol.section != bfd_com_section_ptr) | |
68588f95 IS |
1868 | || ((s->n_type & BFD_MACH_O_N_STAB) != 0 |
1869 | && s->symbol.name == NULL)) | |
1870 | s->n_sect = s->symbol.section->target_index; | |
92bc0e80 | 1871 | |
b22161d6 IS |
1872 | /* Number to preserve order for local and debug syms. */ |
1873 | s->symbol.udata.i = i; | |
7f307238 IS |
1874 | } |
1875 | ||
b22161d6 IS |
1876 | /* Sort the symbols. */ |
1877 | qsort ((void *) symbols, (size_t) bfd_get_symcount (abfd), | |
1878 | sizeof (asymbol *), bfd_mach_o_cf_symbols); | |
7f307238 | 1879 | |
b22161d6 IS |
1880 | for (i = 0; i < bfd_get_symcount (abfd); ++i) |
1881 | { | |
1882 | bfd_mach_o_asymbol *s = (bfd_mach_o_asymbol *)symbols[i]; | |
1883 | s->symbol.udata.i = i; /* renumber. */ | |
7f307238 IS |
1884 | } |
1885 | ||
1886 | return TRUE; | |
1887 | } | |
1888 | ||
1889 | /* We build a flat table of sections, which can be re-ordered if necessary. | |
1890 | Fill in the section number and other mach-o-specific data. */ | |
1891 | ||
1892 | static bfd_boolean | |
1893 | bfd_mach_o_mangle_sections (bfd *abfd, bfd_mach_o_data_struct *mdata) | |
1894 | { | |
1895 | asection *sec; | |
1896 | unsigned target_index; | |
1897 | unsigned nsect; | |
1898 | ||
1899 | nsect = bfd_count_sections (abfd); | |
68ffbac6 | 1900 | |
7f307238 IS |
1901 | /* Don't do it if it's already set - assume the application knows what it's |
1902 | doing. */ | |
1903 | if (mdata->nsects == nsect | |
1904 | && (mdata->nsects == 0 || mdata->sections != NULL)) | |
1905 | return TRUE; | |
1906 | ||
1907 | mdata->nsects = nsect; | |
68ffbac6 | 1908 | mdata->sections = bfd_alloc (abfd, |
7f307238 IS |
1909 | mdata->nsects * sizeof (bfd_mach_o_section *)); |
1910 | if (mdata->sections == NULL) | |
1911 | return FALSE; | |
1912 | ||
1913 | /* We need to check that this can be done... */ | |
1914 | if (nsect > 255) | |
1915 | (*_bfd_error_handler) (_("mach-o: there are too many sections (%d)" | |
1916 | " maximum is 255,\n"), nsect); | |
1917 | ||
1918 | /* Create Mach-O sections. | |
68ffbac6 | 1919 | Section type, attribute and align should have been set when the |
7f307238 IS |
1920 | section was created - either read in or specified. */ |
1921 | target_index = 0; | |
1922 | for (sec = abfd->sections; sec; sec = sec->next) | |
1923 | { | |
1924 | unsigned bfd_align = bfd_get_section_alignment (abfd, sec); | |
1925 | bfd_mach_o_section *msect = bfd_mach_o_get_mach_o_section (sec); | |
1926 | ||
1927 | mdata->sections[target_index] = msect; | |
1928 | ||
1929 | msect->addr = bfd_get_section_vma (abfd, sec); | |
1930 | msect->size = bfd_get_section_size (sec); | |
1931 | ||
68ffbac6 | 1932 | /* Use the largest alignment set, in case it was bumped after the |
7f307238 IS |
1933 | section was created. */ |
1934 | msect->align = msect->align > bfd_align ? msect->align : bfd_align; | |
1935 | ||
1936 | msect->offset = 0; | |
1937 | sec->target_index = ++target_index; | |
92bc0e80 | 1938 | } |
7f307238 | 1939 | |
92bc0e80 TG |
1940 | return TRUE; |
1941 | } | |
1942 | ||
154a1ee5 | 1943 | bfd_boolean |
116c20d2 | 1944 | bfd_mach_o_write_contents (bfd *abfd) |
3af9a47b NC |
1945 | { |
1946 | unsigned int i; | |
046b007d | 1947 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
3af9a47b | 1948 | |
7f307238 | 1949 | /* Make the commands, if not already present. */ |
92bc0e80 TG |
1950 | if (mdata->header.ncmds == 0) |
1951 | if (!bfd_mach_o_build_commands (abfd)) | |
1952 | return FALSE; | |
1953 | ||
154a1ee5 | 1954 | if (!bfd_mach_o_write_header (abfd, &mdata->header)) |
b34976b6 | 1955 | return FALSE; |
3af9a47b NC |
1956 | |
1957 | for (i = 0; i < mdata->header.ncmds; i++) | |
1958 | { | |
46d1c23b | 1959 | struct mach_o_load_command_external raw; |
3af9a47b NC |
1960 | bfd_mach_o_load_command *cur = &mdata->commands[i]; |
1961 | unsigned long typeflag; | |
1962 | ||
154a1ee5 | 1963 | typeflag = cur->type | (cur->type_required ? BFD_MACH_O_LC_REQ_DYLD : 0); |
3af9a47b | 1964 | |
46d1c23b TG |
1965 | bfd_h_put_32 (abfd, typeflag, raw.cmd); |
1966 | bfd_h_put_32 (abfd, cur->len, raw.cmdsize); | |
3af9a47b | 1967 | |
c2f09c75 | 1968 | if (bfd_seek (abfd, cur->offset, SEEK_SET) != 0 |
46d1c23b | 1969 | || bfd_bwrite (&raw, BFD_MACH_O_LC_SIZE, abfd) != 8) |
b34976b6 | 1970 | return FALSE; |
3af9a47b NC |
1971 | |
1972 | switch (cur->type) | |
1973 | { | |
1974 | case BFD_MACH_O_LC_SEGMENT: | |
ab273af8 | 1975 | if (bfd_mach_o_write_segment_32 (abfd, cur) != 0) |
1e8a024a TG |
1976 | return FALSE; |
1977 | break; | |
1978 | case BFD_MACH_O_LC_SEGMENT_64: | |
ab273af8 | 1979 | if (bfd_mach_o_write_segment_64 (abfd, cur) != 0) |
b34976b6 | 1980 | return FALSE; |
3af9a47b NC |
1981 | break; |
1982 | case BFD_MACH_O_LC_SYMTAB: | |
ab273af8 | 1983 | if (!bfd_mach_o_write_symtab (abfd, cur)) |
b34976b6 | 1984 | return FALSE; |
3af9a47b | 1985 | break; |
7f307238 IS |
1986 | case BFD_MACH_O_LC_DYSYMTAB: |
1987 | if (!bfd_mach_o_write_dysymtab (abfd, cur)) | |
1988 | return FALSE; | |
1989 | break; | |
3af9a47b NC |
1990 | case BFD_MACH_O_LC_SYMSEG: |
1991 | break; | |
1992 | case BFD_MACH_O_LC_THREAD: | |
1993 | case BFD_MACH_O_LC_UNIXTHREAD: | |
ab273af8 | 1994 | if (bfd_mach_o_write_thread (abfd, cur) != 0) |
b34976b6 | 1995 | return FALSE; |
3af9a47b NC |
1996 | break; |
1997 | case BFD_MACH_O_LC_LOADFVMLIB: | |
1998 | case BFD_MACH_O_LC_IDFVMLIB: | |
1999 | case BFD_MACH_O_LC_IDENT: | |
2000 | case BFD_MACH_O_LC_FVMFILE: | |
2001 | case BFD_MACH_O_LC_PREPAGE: | |
3af9a47b NC |
2002 | case BFD_MACH_O_LC_LOAD_DYLIB: |
2003 | case BFD_MACH_O_LC_LOAD_WEAK_DYLIB: | |
2004 | case BFD_MACH_O_LC_ID_DYLIB: | |
046b007d | 2005 | case BFD_MACH_O_LC_REEXPORT_DYLIB: |
73017762 | 2006 | case BFD_MACH_O_LC_LOAD_UPWARD_DYLIB: |
3af9a47b NC |
2007 | case BFD_MACH_O_LC_LOAD_DYLINKER: |
2008 | case BFD_MACH_O_LC_ID_DYLINKER: | |
2009 | case BFD_MACH_O_LC_PREBOUND_DYLIB: | |
2010 | case BFD_MACH_O_LC_ROUTINES: | |
2011 | case BFD_MACH_O_LC_SUB_FRAMEWORK: | |
2012 | break; | |
2013 | default: | |
4a97a0e5 AM |
2014 | (*_bfd_error_handler) (_("unable to write unknown load command 0x%lx"), |
2015 | (unsigned long) cur->type); | |
b34976b6 | 2016 | return FALSE; |
3af9a47b NC |
2017 | } |
2018 | } | |
2019 | ||
b34976b6 | 2020 | return TRUE; |
3af9a47b NC |
2021 | } |
2022 | ||
f1bde64c TG |
2023 | static void |
2024 | bfd_mach_o_append_section_to_segment (bfd_mach_o_segment_command *seg, | |
2025 | asection *sec) | |
2026 | { | |
2027 | bfd_mach_o_section *s = (bfd_mach_o_section *)sec->used_by_bfd; | |
2028 | if (seg->sect_head == NULL) | |
2029 | seg->sect_head = s; | |
2030 | else | |
2031 | seg->sect_tail->next = s; | |
2032 | seg->sect_tail = s; | |
2033 | } | |
2034 | ||
2035 | /* Create section Mach-O flags from BFD flags. */ | |
2036 | ||
2037 | static void | |
2038 | bfd_mach_o_set_section_flags_from_bfd (bfd *abfd ATTRIBUTE_UNUSED, asection *sec) | |
2039 | { | |
2040 | flagword bfd_flags; | |
2041 | bfd_mach_o_section *s = bfd_mach_o_get_mach_o_section (sec); | |
2042 | ||
2043 | /* Create default flags. */ | |
2044 | bfd_flags = bfd_get_section_flags (abfd, sec); | |
2045 | if ((bfd_flags & SEC_CODE) == SEC_CODE) | |
2046 | s->flags = BFD_MACH_O_S_ATTR_PURE_INSTRUCTIONS | |
2047 | | BFD_MACH_O_S_ATTR_SOME_INSTRUCTIONS | |
2048 | | BFD_MACH_O_S_REGULAR; | |
2049 | else if ((bfd_flags & (SEC_ALLOC | SEC_LOAD)) == SEC_ALLOC) | |
2050 | s->flags = BFD_MACH_O_S_ZEROFILL; | |
2051 | else if (bfd_flags & SEC_DEBUGGING) | |
2052 | s->flags = BFD_MACH_O_S_REGULAR | BFD_MACH_O_S_ATTR_DEBUG; | |
2053 | else | |
2054 | s->flags = BFD_MACH_O_S_REGULAR; | |
2055 | } | |
2056 | ||
7f307238 IS |
2057 | /* Count the number of sections in the list for the segment named. |
2058 | ||
2059 | The special case of NULL or "" for the segment name is valid for | |
68ffbac6 L |
2060 | an MH_OBJECT file and means 'all sections available'. |
2061 | ||
2062 | Requires that the sections table in mdata be filled in. | |
7f307238 IS |
2063 | |
2064 | Returns the number of sections (0 is valid). | |
2065 | Any number > 255 signals an invalid section count, although we will, | |
2066 | perhaps, allow the file to be written (in line with Darwin tools up | |
68ffbac6 L |
2067 | to XCode 4). |
2068 | ||
7f307238 IS |
2069 | A section count of (unsigned long) -1 signals a definite error. */ |
2070 | ||
2071 | static unsigned long | |
2072 | bfd_mach_o_count_sections_for_seg (const char *segment, | |
2073 | bfd_mach_o_data_struct *mdata) | |
2074 | { | |
2075 | unsigned i,j; | |
2076 | if (mdata == NULL || mdata->sections == NULL) | |
2077 | return (unsigned long) -1; | |
2078 | ||
2079 | /* The MH_OBJECT case, all sections are considered; Although nsects is | |
2080 | is an unsigned long, the maximum valid section count is 255 and this | |
2081 | will have been checked already by mangle_sections. */ | |
2082 | if (segment == NULL || segment[0] == '\0') | |
2083 | return mdata->nsects; | |
2084 | ||
2085 | /* Count the number of sections we see in this segment. */ | |
2086 | j = 0; | |
2087 | for (i = 0; i < mdata->nsects; ++i) | |
2088 | { | |
2089 | bfd_mach_o_section *s = mdata->sections[i]; | |
2090 | if (strncmp (segment, s->segname, BFD_MACH_O_SEGNAME_SIZE) == 0) | |
2091 | j++; | |
2092 | } | |
2093 | return j; | |
2094 | } | |
2095 | ||
2096 | static bfd_boolean | |
2097 | bfd_mach_o_build_seg_command (const char *segment, | |
2098 | bfd_mach_o_data_struct *mdata, | |
2099 | bfd_mach_o_segment_command *seg) | |
2100 | { | |
2101 | unsigned i; | |
2102 | int is_mho = (segment == NULL || segment[0] == '\0'); | |
2103 | ||
2104 | /* Fill segment command. */ | |
2105 | if (is_mho) | |
2106 | memset (seg->segname, 0, sizeof (seg->segname)); | |
2107 | else | |
2108 | strncpy (seg->segname, segment, sizeof (seg->segname)); | |
2109 | ||
2110 | /* TODO: fix this up for non-MH_OBJECT cases. */ | |
2111 | seg->vmaddr = 0; | |
e5081f2f | 2112 | seg->vmsize = 0; |
7f307238 IS |
2113 | |
2114 | seg->fileoff = mdata->filelen; | |
2115 | seg->filesize = 0; | |
2116 | seg->maxprot = BFD_MACH_O_PROT_READ | BFD_MACH_O_PROT_WRITE | |
2117 | | BFD_MACH_O_PROT_EXECUTE; | |
2118 | seg->initprot = seg->maxprot; | |
2119 | seg->flags = 0; | |
2120 | seg->sect_head = NULL; | |
2121 | seg->sect_tail = NULL; | |
2122 | ||
68ffbac6 | 2123 | /* Append sections to the segment. |
09903f4b IS |
2124 | |
2125 | This is a little tedious, we have to honor the need to account zerofill | |
2126 | sections after all the rest. This forces us to do the calculation of | |
68ffbac6 | 2127 | total vmsize in three passes so that any alignment increments are |
09903f4b | 2128 | properly accounted. */ |
7f307238 IS |
2129 | |
2130 | for (i = 0; i < mdata->nsects; ++i) | |
2131 | { | |
2132 | bfd_mach_o_section *s = mdata->sections[i]; | |
2133 | asection *sec = s->bfdsection; | |
2134 | ||
2135 | /* If we're not making an MH_OBJECT, check whether this section is from | |
2136 | our segment, and skip if not. Otherwise, just add all sections. */ | |
68ffbac6 | 2137 | if (! is_mho |
7f307238 IS |
2138 | && strncmp (segment, s->segname, BFD_MACH_O_SEGNAME_SIZE) != 0) |
2139 | continue; | |
2140 | ||
09903f4b IS |
2141 | /* Although we account for zerofill section sizes in vm order, they are |
2142 | placed in the file in source sequence. */ | |
7f307238 | 2143 | bfd_mach_o_append_section_to_segment (seg, sec); |
e5081f2f | 2144 | s->offset = 0; |
68ffbac6 L |
2145 | |
2146 | /* Zerofill sections have zero file size & offset, | |
e5081f2f IS |
2147 | and are not written. */ |
2148 | if ((s->flags & BFD_MACH_O_SECTION_TYPE_MASK) == BFD_MACH_O_S_ZEROFILL | |
68ffbac6 | 2149 | || (s->flags & BFD_MACH_O_SECTION_TYPE_MASK) |
e5081f2f IS |
2150 | == BFD_MACH_O_S_GB_ZEROFILL) |
2151 | continue; | |
2152 | ||
2153 | if (s->size > 0) | |
7f307238 | 2154 | { |
09903f4b IS |
2155 | seg->vmsize = FILE_ALIGN (seg->vmsize, s->align); |
2156 | seg->vmsize += s->size; | |
2157 | ||
2158 | seg->filesize = FILE_ALIGN (seg->filesize, s->align); | |
2159 | seg->filesize += s->size; | |
2160 | ||
7f307238 IS |
2161 | mdata->filelen = FILE_ALIGN (mdata->filelen, s->align); |
2162 | s->offset = mdata->filelen; | |
2163 | } | |
2164 | ||
2165 | sec->filepos = s->offset; | |
7f307238 IS |
2166 | mdata->filelen += s->size; |
2167 | } | |
2168 | ||
09903f4b IS |
2169 | /* Now pass through again, for zerofill, only now we just update the vmsize. */ |
2170 | for (i = 0; i < mdata->nsects; ++i) | |
2171 | { | |
2172 | bfd_mach_o_section *s = mdata->sections[i]; | |
2173 | ||
2174 | if ((s->flags & BFD_MACH_O_SECTION_TYPE_MASK) != BFD_MACH_O_S_ZEROFILL) | |
2175 | continue; | |
2176 | ||
68ffbac6 | 2177 | if (! is_mho |
09903f4b IS |
2178 | && strncmp (segment, s->segname, BFD_MACH_O_SEGNAME_SIZE) != 0) |
2179 | continue; | |
2180 | ||
2181 | if (s->size > 0) | |
2182 | { | |
2183 | seg->vmsize = FILE_ALIGN (seg->vmsize, s->align); | |
2184 | seg->vmsize += s->size; | |
2185 | } | |
2186 | } | |
2187 | ||
2188 | /* Now pass through again, for zerofill_GB. */ | |
2189 | for (i = 0; i < mdata->nsects; ++i) | |
2190 | { | |
2191 | bfd_mach_o_section *s = mdata->sections[i]; | |
68ffbac6 | 2192 | |
09903f4b IS |
2193 | if ((s->flags & BFD_MACH_O_SECTION_TYPE_MASK) != BFD_MACH_O_S_GB_ZEROFILL) |
2194 | continue; | |
2195 | ||
68ffbac6 | 2196 | if (! is_mho |
09903f4b IS |
2197 | && strncmp (segment, s->segname, BFD_MACH_O_SEGNAME_SIZE) != 0) |
2198 | continue; | |
2199 | ||
2200 | if (s->size > 0) | |
2201 | { | |
2202 | seg->vmsize = FILE_ALIGN (seg->vmsize, s->align); | |
2203 | seg->vmsize += s->size; | |
2204 | } | |
2205 | } | |
bb76d940 | 2206 | |
09903f4b | 2207 | /* Allocate space for the relocations. */ |
bb76d940 IS |
2208 | mdata->filelen = FILE_ALIGN(mdata->filelen, 2); |
2209 | ||
2210 | for (i = 0; i < mdata->nsects; ++i) | |
2211 | { | |
2212 | bfd_mach_o_section *ms = mdata->sections[i]; | |
2213 | asection *sec = ms->bfdsection; | |
68ffbac6 | 2214 | |
bb76d940 IS |
2215 | if ((ms->nreloc = sec->reloc_count) == 0) |
2216 | { | |
2217 | ms->reloff = 0; | |
2218 | continue; | |
2219 | } | |
2220 | sec->rel_filepos = mdata->filelen; | |
2221 | ms->reloff = sec->rel_filepos; | |
2222 | mdata->filelen += sec->reloc_count * BFD_MACH_O_RELENT_SIZE; | |
2223 | } | |
7f307238 IS |
2224 | |
2225 | return TRUE; | |
2226 | } | |
2227 | ||
50d10658 IS |
2228 | /* Count the number of indirect symbols in the image. |
2229 | Requires that the sections are in their final order. */ | |
2230 | ||
2231 | static unsigned int | |
2232 | bfd_mach_o_count_indirect_symbols (bfd *abfd, bfd_mach_o_data_struct *mdata) | |
2233 | { | |
2234 | unsigned int i; | |
2235 | unsigned int nisyms = 0; | |
2236 | ||
2237 | for (i = 0; i < mdata->nsects; ++i) | |
2238 | { | |
2239 | bfd_mach_o_section *sec = mdata->sections[i]; | |
2240 | ||
2241 | switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK) | |
2242 | { | |
2243 | case BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS: | |
2244 | case BFD_MACH_O_S_LAZY_SYMBOL_POINTERS: | |
2245 | case BFD_MACH_O_S_SYMBOL_STUBS: | |
2246 | nisyms += bfd_mach_o_section_get_nbr_indirect (abfd, sec); | |
2247 | break; | |
2248 | default: | |
2249 | break; | |
2250 | } | |
2251 | } | |
2252 | return nisyms; | |
2253 | } | |
2254 | ||
7f307238 IS |
2255 | static bfd_boolean |
2256 | bfd_mach_o_build_dysymtab_command (bfd *abfd, | |
2257 | bfd_mach_o_data_struct *mdata, | |
2258 | bfd_mach_o_load_command *cmd) | |
2259 | { | |
2260 | bfd_mach_o_dysymtab_command *dsym = &cmd->command.dysymtab; | |
2261 | ||
2262 | /* TODO: | |
2263 | We are not going to try and fill these in yet and, moreover, we are | |
2264 | going to bail if they are already set. */ | |
2265 | if (dsym->nmodtab != 0 | |
2266 | || dsym->ntoc != 0 | |
2267 | || dsym->nextrefsyms != 0) | |
2268 | { | |
2269 | (*_bfd_error_handler) (_("sorry: modtab, toc and extrefsyms are not yet" | |
2270 | " implemented for dysymtab commands.")); | |
2271 | return FALSE; | |
2272 | } | |
2273 | ||
2274 | dsym->ilocalsym = 0; | |
7f307238 | 2275 | |
b22161d6 | 2276 | if (bfd_get_symcount (abfd) > 0) |
7f307238 | 2277 | { |
b22161d6 IS |
2278 | asymbol **symbols = bfd_get_outsymbols (abfd); |
2279 | unsigned long i; | |
2280 | ||
2281 | /* Count the number of each kind of symbol. */ | |
2282 | for (i = 0; i < bfd_get_symcount (abfd); ++i) | |
2283 | { | |
2284 | bfd_mach_o_asymbol *s = (bfd_mach_o_asymbol *)symbols[i]; | |
2285 | if (s->n_type & (BFD_MACH_O_N_EXT | BFD_MACH_O_N_PEXT)) | |
2286 | break; | |
2287 | } | |
2288 | dsym->nlocalsym = i; | |
2289 | dsym->iextdefsym = i; | |
2290 | for (; i < bfd_get_symcount (abfd); ++i) | |
2291 | { | |
2292 | bfd_mach_o_asymbol *s = (bfd_mach_o_asymbol *)symbols[i]; | |
2293 | if ((s->n_type & BFD_MACH_O_N_TYPE) == BFD_MACH_O_N_UNDF) | |
2294 | break; | |
2295 | } | |
2296 | dsym->nextdefsym = i - dsym->nlocalsym; | |
2297 | dsym->iundefsym = dsym->nextdefsym + dsym->iextdefsym; | |
68ffbac6 L |
2298 | dsym->nundefsym = bfd_get_symcount (abfd) |
2299 | - dsym->nlocalsym | |
b22161d6 IS |
2300 | - dsym->nextdefsym; |
2301 | } | |
2302 | else | |
2303 | { | |
2304 | dsym->nlocalsym = 0; | |
2305 | dsym->iextdefsym = 0; | |
2306 | dsym->nextdefsym = 0; | |
2307 | dsym->iundefsym = 0; | |
2308 | dsym->nundefsym = 0; | |
2309 | } | |
2310 | ||
50d10658 | 2311 | dsym->nindirectsyms = bfd_mach_o_count_indirect_symbols (abfd, mdata); |
b22161d6 IS |
2312 | if (dsym->nindirectsyms > 0) |
2313 | { | |
2314 | unsigned i; | |
50d10658 | 2315 | unsigned n; |
7f307238 IS |
2316 | |
2317 | mdata->filelen = FILE_ALIGN (mdata->filelen, 2); | |
2318 | dsym->indirectsymoff = mdata->filelen; | |
b22161d6 | 2319 | mdata->filelen += dsym->nindirectsyms * 4; |
68ffbac6 | 2320 | |
b22161d6 | 2321 | dsym->indirect_syms = bfd_zalloc (abfd, dsym->nindirectsyms * 4); |
7f307238 IS |
2322 | if (dsym->indirect_syms == NULL) |
2323 | return FALSE; | |
68ffbac6 | 2324 | |
50d10658 IS |
2325 | n = 0; |
2326 | for (i = 0; i < mdata->nsects; ++i) | |
7f307238 | 2327 | { |
50d10658 IS |
2328 | bfd_mach_o_section *sec = mdata->sections[i]; |
2329 | ||
2330 | switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK) | |
2331 | { | |
2332 | case BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS: | |
2333 | case BFD_MACH_O_S_LAZY_SYMBOL_POINTERS: | |
2334 | case BFD_MACH_O_S_SYMBOL_STUBS: | |
2335 | { | |
2336 | unsigned j, num; | |
2337 | bfd_mach_o_asymbol **isyms = sec->indirect_syms; | |
68ffbac6 | 2338 | |
50d10658 IS |
2339 | num = bfd_mach_o_section_get_nbr_indirect (abfd, sec); |
2340 | if (isyms == NULL || num == 0) | |
2341 | break; | |
2342 | /* Record the starting index in the reserved1 field. */ | |
2343 | sec->reserved1 = n; | |
2344 | for (j = 0; j < num; j++, n++) | |
2345 | { | |
2346 | if (isyms[j] == NULL) | |
2347 | dsym->indirect_syms[n] = BFD_MACH_O_INDIRECT_SYM_LOCAL; | |
687be931 IS |
2348 | else if (isyms[j]->symbol.section == bfd_abs_section_ptr |
2349 | && ! (isyms[j]->n_type & BFD_MACH_O_N_EXT)) | |
2350 | dsym->indirect_syms[n] = BFD_MACH_O_INDIRECT_SYM_LOCAL | |
2351 | | BFD_MACH_O_INDIRECT_SYM_ABS; | |
50d10658 IS |
2352 | else |
2353 | dsym->indirect_syms[n] = isyms[j]->symbol.udata.i; | |
2354 | } | |
2355 | } | |
2356 | break; | |
2357 | default: | |
2358 | break; | |
2359 | } | |
7f307238 IS |
2360 | } |
2361 | } | |
2362 | ||
2363 | return TRUE; | |
2364 | } | |
2365 | ||
2366 | /* Build Mach-O load commands (currently assuming an MH_OBJECT file). | |
2367 | TODO: Other file formats, rebuilding symtab/dysymtab commands for strip | |
2368 | and copy functionality. */ | |
154a1ee5 TG |
2369 | |
2370 | bfd_boolean | |
2371 | bfd_mach_o_build_commands (bfd *abfd) | |
2372 | { | |
046b007d | 2373 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
bbd56171 IS |
2374 | unsigned wide = mach_o_wide_p (&mdata->header); |
2375 | int segcmd_idx = -1; | |
2376 | int symtab_idx = -1; | |
2377 | int dysymtab_idx = -1; | |
2378 | unsigned long base_offset = 0; | |
154a1ee5 | 2379 | |
7f307238 | 2380 | /* Return now if commands are already present. */ |
154a1ee5 TG |
2381 | if (mdata->header.ncmds) |
2382 | return FALSE; | |
2383 | ||
7f307238 | 2384 | /* Fill in the file type, if not already set. */ |
154a1ee5 | 2385 | |
7f307238 | 2386 | if (mdata->header.filetype == 0) |
154a1ee5 | 2387 | { |
7f307238 IS |
2388 | if (abfd->flags & EXEC_P) |
2389 | mdata->header.filetype = BFD_MACH_O_MH_EXECUTE; | |
2390 | else if (abfd->flags & DYNAMIC) | |
2391 | mdata->header.filetype = BFD_MACH_O_MH_DYLIB; | |
2392 | else | |
2393 | mdata->header.filetype = BFD_MACH_O_MH_OBJECT; | |
154a1ee5 | 2394 | } |
7f307238 IS |
2395 | |
2396 | /* If hasn't already been done, flatten sections list, and sort | |
2397 | if/when required. Must be done before the symbol table is adjusted, | |
2398 | since that depends on properly numbered sections. */ | |
2399 | if (mdata->nsects == 0 || mdata->sections == NULL) | |
2400 | if (! bfd_mach_o_mangle_sections (abfd, mdata)) | |
2401 | return FALSE; | |
2402 | ||
2403 | /* Order the symbol table, fill-in/check mach-o specific fields and | |
2404 | partition out any indirect symbols. */ | |
b22161d6 | 2405 | if (!bfd_mach_o_mangle_symbols (abfd)) |
7f307238 IS |
2406 | return FALSE; |
2407 | ||
bbd56171 IS |
2408 | /* Very simple command set (only really applicable to MH_OBJECTs): |
2409 | All the commands are optional - present only when there is suitable data. | |
2410 | (i.e. it is valid to have an empty file) | |
2411 | ||
2412 | a command (segment) to contain all the sections, | |
2413 | command for the symbol table, | |
68ffbac6 | 2414 | a command for the dysymtab. |
bbd56171 IS |
2415 | |
2416 | ??? maybe we should assert that this is an MH_OBJECT? */ | |
2417 | ||
7f307238 | 2418 | if (mdata->nsects > 0) |
154a1ee5 | 2419 | { |
bbd56171 | 2420 | segcmd_idx = 0; |
7f307238 | 2421 | mdata->header.ncmds = 1; |
154a1ee5 | 2422 | } |
154a1ee5 | 2423 | |
7f307238 | 2424 | if (bfd_get_symcount (abfd) > 0) |
bbd56171 IS |
2425 | { |
2426 | mdata->header.ncmds++; | |
2427 | symtab_idx = segcmd_idx + 1; /* 0 if the seg command is absent. */ | |
2428 | } | |
c2f09c75 | 2429 | |
bbd56171 IS |
2430 | /* FIXME: |
2431 | This is a rather crude test for whether we should build a dysymtab. */ | |
2432 | if (bfd_mach_o_should_emit_dysymtab () | |
2433 | && bfd_get_symcount (abfd)) | |
2434 | { | |
2435 | mdata->header.ncmds++; | |
2436 | /* If there should be a case where a dysymtab could be emitted without | |
2437 | a symtab (seems improbable), this would need amending. */ | |
2438 | dysymtab_idx = symtab_idx + 1; | |
2439 | } | |
154a1ee5 | 2440 | |
bbd56171 IS |
2441 | if (wide) |
2442 | base_offset = BFD_MACH_O_HEADER_64_SIZE; | |
2443 | else | |
2444 | base_offset = BFD_MACH_O_HEADER_SIZE; | |
c2f09c75 | 2445 | |
bbd56171 IS |
2446 | /* Well, we must have a header, at least. */ |
2447 | mdata->filelen = base_offset; | |
f1bde64c | 2448 | |
bbd56171 | 2449 | /* A bit unusual, but no content is valid; |
7f307238 IS |
2450 | as -n empty.s -o empty.o */ |
2451 | if (mdata->header.ncmds == 0) | |
2452 | return TRUE; | |
f1bde64c | 2453 | |
7f307238 IS |
2454 | mdata->commands = bfd_zalloc (abfd, mdata->header.ncmds |
2455 | * sizeof (bfd_mach_o_load_command)); | |
2456 | if (mdata->commands == NULL) | |
2457 | return FALSE; | |
2458 | ||
bbd56171 | 2459 | if (segcmd_idx >= 0) |
68ffbac6 | 2460 | { |
bbd56171 IS |
2461 | bfd_mach_o_load_command *cmd = &mdata->commands[segcmd_idx]; |
2462 | bfd_mach_o_segment_command *seg = &cmd->command.segment; | |
7f307238 IS |
2463 | |
2464 | /* Count the segctions in the special blank segment used for MH_OBJECT. */ | |
2465 | seg->nsects = bfd_mach_o_count_sections_for_seg (NULL, mdata); | |
2466 | if (seg->nsects == (unsigned long) -1) | |
2467 | return FALSE; | |
2468 | ||
2469 | /* Init segment command. */ | |
bbd56171 | 2470 | cmd->offset = base_offset; |
7f307238 IS |
2471 | if (wide) |
2472 | { | |
2473 | cmd->type = BFD_MACH_O_LC_SEGMENT_64; | |
7f307238 IS |
2474 | cmd->len = BFD_MACH_O_LC_SEGMENT_64_SIZE |
2475 | + BFD_MACH_O_SECTION_64_SIZE * seg->nsects; | |
2476 | } | |
92bc0e80 | 2477 | else |
7f307238 IS |
2478 | { |
2479 | cmd->type = BFD_MACH_O_LC_SEGMENT; | |
7f307238 IS |
2480 | cmd->len = BFD_MACH_O_LC_SEGMENT_SIZE |
2481 | + BFD_MACH_O_SECTION_SIZE * seg->nsects; | |
2482 | } | |
bbd56171 | 2483 | |
7f307238 IS |
2484 | cmd->type_required = FALSE; |
2485 | mdata->header.sizeofcmds = cmd->len; | |
bbd56171 | 2486 | mdata->filelen += cmd->len; |
7f307238 | 2487 | } |
f1bde64c | 2488 | |
bbd56171 | 2489 | if (symtab_idx >= 0) |
7f307238 IS |
2490 | { |
2491 | /* Init symtab command. */ | |
bbd56171 | 2492 | bfd_mach_o_load_command *cmd = &mdata->commands[symtab_idx]; |
68ffbac6 | 2493 | |
bbd56171 IS |
2494 | cmd->type = BFD_MACH_O_LC_SYMTAB; |
2495 | cmd->offset = base_offset; | |
2496 | if (segcmd_idx >= 0) | |
2497 | cmd->offset += mdata->commands[segcmd_idx].len; | |
2498 | ||
2499 | cmd->len = sizeof (struct mach_o_symtab_command_external) | |
2500 | + BFD_MACH_O_LC_SIZE; | |
2501 | cmd->type_required = FALSE; | |
2502 | mdata->header.sizeofcmds += cmd->len; | |
2503 | mdata->filelen += cmd->len; | |
7f307238 | 2504 | } |
154a1ee5 | 2505 | |
bbd56171 IS |
2506 | /* If required, setup symtab command, see comment above about the quality |
2507 | of this test. */ | |
2508 | if (dysymtab_idx >= 0) | |
7f307238 | 2509 | { |
bbd56171 IS |
2510 | bfd_mach_o_load_command *cmd = &mdata->commands[dysymtab_idx]; |
2511 | ||
7f307238 | 2512 | cmd->type = BFD_MACH_O_LC_DYSYMTAB; |
bbd56171 | 2513 | if (symtab_idx >= 0) |
68ffbac6 | 2514 | cmd->offset = mdata->commands[symtab_idx].offset |
bbd56171 IS |
2515 | + mdata->commands[symtab_idx].len; |
2516 | else if (segcmd_idx >= 0) | |
68ffbac6 | 2517 | cmd->offset = mdata->commands[segcmd_idx].offset |
bbd56171 IS |
2518 | + mdata->commands[segcmd_idx].len; |
2519 | else | |
2520 | cmd->offset = base_offset; | |
2521 | ||
7f307238 | 2522 | cmd->type_required = FALSE; |
bbd56171 IS |
2523 | cmd->len = sizeof (struct mach_o_dysymtab_command_external) |
2524 | + BFD_MACH_O_LC_SIZE; | |
7f307238 IS |
2525 | |
2526 | mdata->header.sizeofcmds += cmd->len; | |
2527 | mdata->filelen += cmd->len; | |
154a1ee5 | 2528 | } |
154a1ee5 | 2529 | |
7f307238 IS |
2530 | /* So, now we have sized the commands and the filelen set to that. |
2531 | Now we can build the segment command and set the section file offsets. */ | |
bbd56171 | 2532 | if (segcmd_idx >= 0 |
68ffbac6 | 2533 | && ! bfd_mach_o_build_seg_command |
bbd56171 | 2534 | (NULL, mdata, &mdata->commands[segcmd_idx].command.segment)) |
7f307238 IS |
2535 | return FALSE; |
2536 | ||
2537 | /* If we're doing a dysymtab, cmd points to its load command. */ | |
bbd56171 | 2538 | if (dysymtab_idx >= 0 |
68ffbac6 | 2539 | && ! bfd_mach_o_build_dysymtab_command (abfd, mdata, |
bbd56171 | 2540 | &mdata->commands[dysymtab_idx])) |
7f307238 IS |
2541 | return FALSE; |
2542 | ||
2543 | /* The symtab command is filled in when the symtab is written. */ | |
154a1ee5 TG |
2544 | return TRUE; |
2545 | } | |
2546 | ||
2547 | /* Set the contents of a section. */ | |
2548 | ||
2549 | bfd_boolean | |
2550 | bfd_mach_o_set_section_contents (bfd *abfd, | |
2551 | asection *section, | |
2552 | const void * location, | |
2553 | file_ptr offset, | |
2554 | bfd_size_type count) | |
2555 | { | |
2556 | file_ptr pos; | |
2557 | ||
7f307238 IS |
2558 | /* Trying to write the first section contents will trigger the creation of |
2559 | the load commands if they are not already present. */ | |
154a1ee5 TG |
2560 | if (! abfd->output_has_begun && ! bfd_mach_o_build_commands (abfd)) |
2561 | return FALSE; | |
2562 | ||
2563 | if (count == 0) | |
2564 | return TRUE; | |
2565 | ||
2566 | pos = section->filepos + offset; | |
2567 | if (bfd_seek (abfd, pos, SEEK_SET) != 0 | |
2568 | || bfd_bwrite (location, count, abfd) != count) | |
2569 | return FALSE; | |
2570 | ||
2571 | return TRUE; | |
2572 | } | |
2573 | ||
2574 | int | |
116c20d2 | 2575 | bfd_mach_o_sizeof_headers (bfd *a ATTRIBUTE_UNUSED, |
a6b96beb | 2576 | struct bfd_link_info *info ATTRIBUTE_UNUSED) |
3af9a47b NC |
2577 | { |
2578 | return 0; | |
2579 | } | |
2580 | ||
2581 | /* Make an empty symbol. This is required only because | |
2582 | bfd_make_section_anyway wants to create a symbol for the section. */ | |
2583 | ||
154a1ee5 | 2584 | asymbol * |
116c20d2 | 2585 | bfd_mach_o_make_empty_symbol (bfd *abfd) |
3af9a47b | 2586 | { |
d3ce72d0 NC |
2587 | asymbol *new_symbol; |
2588 | ||
2589 | new_symbol = bfd_zalloc (abfd, sizeof (bfd_mach_o_asymbol)); | |
2590 | if (new_symbol == NULL) | |
2591 | return new_symbol; | |
2592 | new_symbol->the_bfd = abfd; | |
b22161d6 | 2593 | new_symbol->udata.i = SYM_MACHO_FIELDS_UNSET; |
d3ce72d0 | 2594 | return new_symbol; |
3af9a47b NC |
2595 | } |
2596 | ||
154a1ee5 | 2597 | static bfd_boolean |
116c20d2 | 2598 | bfd_mach_o_read_header (bfd *abfd, bfd_mach_o_header *header) |
3af9a47b | 2599 | { |
46d1c23b | 2600 | struct mach_o_header_external raw; |
1e8a024a | 2601 | unsigned int size; |
edeb6e24 | 2602 | bfd_vma (*get32) (const void *) = NULL; |
3af9a47b | 2603 | |
1e8a024a | 2604 | /* Just read the magic number. */ |
c2f09c75 | 2605 | if (bfd_seek (abfd, 0, SEEK_SET) != 0 |
46d1c23b | 2606 | || bfd_bread (raw.magic, sizeof (raw.magic), abfd) != 4) |
154a1ee5 | 2607 | return FALSE; |
3af9a47b | 2608 | |
46d1c23b | 2609 | if (bfd_getb32 (raw.magic) == BFD_MACH_O_MH_MAGIC) |
3af9a47b NC |
2610 | { |
2611 | header->byteorder = BFD_ENDIAN_BIG; | |
154a1ee5 | 2612 | header->magic = BFD_MACH_O_MH_MAGIC; |
1e8a024a | 2613 | header->version = 1; |
3af9a47b NC |
2614 | get32 = bfd_getb32; |
2615 | } | |
46d1c23b | 2616 | else if (bfd_getl32 (raw.magic) == BFD_MACH_O_MH_MAGIC) |
3af9a47b | 2617 | { |
a95a4550 | 2618 | header->byteorder = BFD_ENDIAN_LITTLE; |
154a1ee5 | 2619 | header->magic = BFD_MACH_O_MH_MAGIC; |
1e8a024a TG |
2620 | header->version = 1; |
2621 | get32 = bfd_getl32; | |
2622 | } | |
46d1c23b | 2623 | else if (bfd_getb32 (raw.magic) == BFD_MACH_O_MH_MAGIC_64) |
1e8a024a TG |
2624 | { |
2625 | header->byteorder = BFD_ENDIAN_BIG; | |
154a1ee5 | 2626 | header->magic = BFD_MACH_O_MH_MAGIC_64; |
1e8a024a TG |
2627 | header->version = 2; |
2628 | get32 = bfd_getb32; | |
2629 | } | |
46d1c23b | 2630 | else if (bfd_getl32 (raw.magic) == BFD_MACH_O_MH_MAGIC_64) |
1e8a024a TG |
2631 | { |
2632 | header->byteorder = BFD_ENDIAN_LITTLE; | |
154a1ee5 | 2633 | header->magic = BFD_MACH_O_MH_MAGIC_64; |
1e8a024a | 2634 | header->version = 2; |
3af9a47b NC |
2635 | get32 = bfd_getl32; |
2636 | } | |
2637 | else | |
2638 | { | |
2639 | header->byteorder = BFD_ENDIAN_UNKNOWN; | |
154a1ee5 | 2640 | return FALSE; |
3af9a47b | 2641 | } |
a95a4550 | 2642 | |
1e8a024a | 2643 | /* Once the size of the header is known, read the full header. */ |
c2f09c75 | 2644 | size = mach_o_wide_p (header) ? |
154a1ee5 | 2645 | BFD_MACH_O_HEADER_64_SIZE : BFD_MACH_O_HEADER_SIZE; |
1e8a024a | 2646 | |
c2f09c75 | 2647 | if (bfd_seek (abfd, 0, SEEK_SET) != 0 |
46d1c23b | 2648 | || bfd_bread (&raw, size, abfd) != size) |
154a1ee5 | 2649 | return FALSE; |
1e8a024a | 2650 | |
46d1c23b TG |
2651 | header->cputype = (*get32) (raw.cputype); |
2652 | header->cpusubtype = (*get32) (raw.cpusubtype); | |
2653 | header->filetype = (*get32) (raw.filetype); | |
2654 | header->ncmds = (*get32) (raw.ncmds); | |
2655 | header->sizeofcmds = (*get32) (raw.sizeofcmds); | |
2656 | header->flags = (*get32) (raw.flags); | |
3af9a47b | 2657 | |
c2f09c75 | 2658 | if (mach_o_wide_p (header)) |
46d1c23b | 2659 | header->reserved = (*get32) (raw.reserved); |
facf03f2 TG |
2660 | else |
2661 | header->reserved = 0; | |
1e8a024a | 2662 | |
154a1ee5 | 2663 | return TRUE; |
3af9a47b NC |
2664 | } |
2665 | ||
f1bde64c TG |
2666 | bfd_boolean |
2667 | bfd_mach_o_new_section_hook (bfd *abfd, asection *sec) | |
2668 | { | |
2669 | bfd_mach_o_section *s; | |
a4551119 | 2670 | unsigned bfdalign = bfd_get_section_alignment (abfd, sec); |
f1bde64c TG |
2671 | |
2672 | s = bfd_mach_o_get_mach_o_section (sec); | |
2673 | if (s == NULL) | |
2674 | { | |
2675 | flagword bfd_flags; | |
a4551119 | 2676 | static const mach_o_section_name_xlat * xlat; |
f1bde64c TG |
2677 | |
2678 | s = (bfd_mach_o_section *) bfd_zalloc (abfd, sizeof (*s)); | |
2679 | if (s == NULL) | |
2680 | return FALSE; | |
2681 | sec->used_by_bfd = s; | |
2682 | s->bfdsection = sec; | |
2683 | ||
a4551119 TG |
2684 | /* Create the Darwin seg/sect name pair from the bfd name. |
2685 | If this is a canonical name for which a specific paiting exists | |
2686 | there will also be defined flags, type, attribute and alignment | |
2687 | values. */ | |
2688 | xlat = bfd_mach_o_convert_section_name_to_mach_o (abfd, sec, s); | |
2689 | if (xlat != NULL) | |
2690 | { | |
2691 | s->flags = xlat->macho_sectype | xlat->macho_secattr; | |
68ffbac6 | 2692 | s->align = xlat->sectalign > bfdalign ? xlat->sectalign |
a4551119 | 2693 | : bfdalign; |
a253d456 | 2694 | (void) bfd_set_section_alignment (abfd, sec, s->align); |
a4551119 TG |
2695 | bfd_flags = bfd_get_section_flags (abfd, sec); |
2696 | if (bfd_flags == SEC_NO_FLAGS) | |
2697 | bfd_set_section_flags (abfd, sec, xlat->bfd_flags); | |
2698 | } | |
f1bde64c | 2699 | else |
a4551119 TG |
2700 | /* Create default flags. */ |
2701 | bfd_mach_o_set_section_flags_from_bfd (abfd, sec); | |
f1bde64c TG |
2702 | } |
2703 | ||
2704 | return _bfd_generic_new_section_hook (abfd, sec); | |
2705 | } | |
2706 | ||
2707 | static void | |
2708 | bfd_mach_o_init_section_from_mach_o (bfd *abfd, asection *sec, | |
2709 | unsigned long prot) | |
3af9a47b | 2710 | { |
117ed4f8 | 2711 | flagword flags; |
f1bde64c | 2712 | bfd_mach_o_section *section; |
3af9a47b | 2713 | |
f1bde64c TG |
2714 | flags = bfd_get_section_flags (abfd, sec); |
2715 | section = bfd_mach_o_get_mach_o_section (sec); | |
3af9a47b | 2716 | |
a4551119 TG |
2717 | /* TODO: see if we should use the xlat system for doing this by |
2718 | preference and fall back to this for unknown sections. */ | |
2719 | ||
8462aec7 | 2720 | if (flags == SEC_NO_FLAGS) |
ef17cb22 | 2721 | { |
8462aec7 TG |
2722 | /* Try to guess flags. */ |
2723 | if (section->flags & BFD_MACH_O_S_ATTR_DEBUG) | |
2724 | flags = SEC_DEBUGGING; | |
2725 | else | |
2726 | { | |
2727 | flags = SEC_ALLOC; | |
2728 | if ((section->flags & BFD_MACH_O_SECTION_TYPE_MASK) | |
2729 | != BFD_MACH_O_S_ZEROFILL) | |
2730 | { | |
2731 | flags |= SEC_LOAD; | |
2732 | if (prot & BFD_MACH_O_PROT_EXECUTE) | |
2733 | flags |= SEC_CODE; | |
2734 | if (prot & BFD_MACH_O_PROT_WRITE) | |
2735 | flags |= SEC_DATA; | |
2736 | else if (prot & BFD_MACH_O_PROT_READ) | |
2737 | flags |= SEC_READONLY; | |
2738 | } | |
2739 | } | |
ef17cb22 | 2740 | } |
15e1c58a TG |
2741 | else |
2742 | { | |
8462aec7 TG |
2743 | if ((flags & SEC_DEBUGGING) == 0) |
2744 | flags |= SEC_ALLOC; | |
15e1c58a | 2745 | } |
8462aec7 TG |
2746 | |
2747 | if (section->offset != 0) | |
2748 | flags |= SEC_HAS_CONTENTS; | |
92bc0e80 TG |
2749 | if (section->nreloc != 0) |
2750 | flags |= SEC_RELOC; | |
2751 | ||
f1bde64c TG |
2752 | bfd_set_section_flags (abfd, sec, flags); |
2753 | ||
2754 | sec->vma = section->addr; | |
2755 | sec->lma = section->addr; | |
2756 | sec->size = section->size; | |
2757 | sec->filepos = section->offset; | |
2758 | sec->alignment_power = section->align; | |
2759 | sec->segment_mark = 0; | |
2760 | sec->reloc_count = section->nreloc; | |
2761 | sec->rel_filepos = section->reloff; | |
2762 | } | |
2763 | ||
2764 | static asection * | |
2765 | bfd_mach_o_make_bfd_section (bfd *abfd, | |
2766 | const unsigned char *segname, | |
2767 | const unsigned char *sectname) | |
2768 | { | |
2769 | const char *sname; | |
2770 | flagword flags; | |
a95a4550 | 2771 | |
f1bde64c TG |
2772 | bfd_mach_o_convert_section_name_to_bfd |
2773 | (abfd, (const char *)segname, (const char *)sectname, &sname, &flags); | |
2774 | if (sname == NULL) | |
2775 | return NULL; | |
3af9a47b | 2776 | |
f1bde64c | 2777 | return bfd_make_section_anyway_with_flags (abfd, sname, flags); |
3af9a47b NC |
2778 | } |
2779 | ||
f1bde64c | 2780 | static asection * |
ab273af8 | 2781 | bfd_mach_o_read_section_32 (bfd *abfd, |
ab273af8 TG |
2782 | unsigned int offset, |
2783 | unsigned long prot) | |
3af9a47b | 2784 | { |
46d1c23b | 2785 | struct mach_o_section_32_external raw; |
f1bde64c TG |
2786 | asection *sec; |
2787 | bfd_mach_o_section *section; | |
3af9a47b | 2788 | |
c2f09c75 | 2789 | if (bfd_seek (abfd, offset, SEEK_SET) != 0 |
46d1c23b | 2790 | || (bfd_bread (&raw, BFD_MACH_O_SECTION_SIZE, abfd) |
c2f09c75 | 2791 | != BFD_MACH_O_SECTION_SIZE)) |
f1bde64c | 2792 | return NULL; |
a95a4550 | 2793 | |
5a5cbf72 | 2794 | sec = bfd_mach_o_make_bfd_section (abfd, raw.segname, raw.sectname); |
f1bde64c TG |
2795 | if (sec == NULL) |
2796 | return NULL; | |
2797 | ||
2798 | section = bfd_mach_o_get_mach_o_section (sec); | |
2799 | memcpy (section->segname, raw.segname, sizeof (raw.segname)); | |
2800 | section->segname[BFD_MACH_O_SEGNAME_SIZE] = 0; | |
2801 | memcpy (section->sectname, raw.sectname, sizeof (raw.sectname)); | |
69499dca | 2802 | section->sectname[BFD_MACH_O_SECTNAME_SIZE] = 0; |
46d1c23b TG |
2803 | section->addr = bfd_h_get_32 (abfd, raw.addr); |
2804 | section->size = bfd_h_get_32 (abfd, raw.size); | |
2805 | section->offset = bfd_h_get_32 (abfd, raw.offset); | |
2806 | section->align = bfd_h_get_32 (abfd, raw.align); | |
2807 | section->reloff = bfd_h_get_32 (abfd, raw.reloff); | |
2808 | section->nreloc = bfd_h_get_32 (abfd, raw.nreloc); | |
2809 | section->flags = bfd_h_get_32 (abfd, raw.flags); | |
2810 | section->reserved1 = bfd_h_get_32 (abfd, raw.reserved1); | |
2811 | section->reserved2 = bfd_h_get_32 (abfd, raw.reserved2); | |
1e8a024a | 2812 | section->reserved3 = 0; |
1e8a024a | 2813 | |
f1bde64c | 2814 | bfd_mach_o_init_section_from_mach_o (abfd, sec, prot); |
1e8a024a | 2815 | |
f1bde64c | 2816 | return sec; |
1e8a024a TG |
2817 | } |
2818 | ||
f1bde64c | 2819 | static asection * |
ab273af8 | 2820 | bfd_mach_o_read_section_64 (bfd *abfd, |
ab273af8 TG |
2821 | unsigned int offset, |
2822 | unsigned long prot) | |
1e8a024a | 2823 | { |
46d1c23b | 2824 | struct mach_o_section_64_external raw; |
f1bde64c TG |
2825 | asection *sec; |
2826 | bfd_mach_o_section *section; | |
1e8a024a | 2827 | |
c2f09c75 | 2828 | if (bfd_seek (abfd, offset, SEEK_SET) != 0 |
46d1c23b | 2829 | || (bfd_bread (&raw, BFD_MACH_O_SECTION_64_SIZE, abfd) |
c2f09c75 | 2830 | != BFD_MACH_O_SECTION_64_SIZE)) |
f1bde64c TG |
2831 | return NULL; |
2832 | ||
5a5cbf72 | 2833 | sec = bfd_mach_o_make_bfd_section (abfd, raw.segname, raw.sectname); |
f1bde64c TG |
2834 | if (sec == NULL) |
2835 | return NULL; | |
1e8a024a | 2836 | |
f1bde64c TG |
2837 | section = bfd_mach_o_get_mach_o_section (sec); |
2838 | memcpy (section->segname, raw.segname, sizeof (raw.segname)); | |
2839 | section->segname[BFD_MACH_O_SEGNAME_SIZE] = 0; | |
2840 | memcpy (section->sectname, raw.sectname, sizeof (raw.sectname)); | |
69499dca | 2841 | section->sectname[BFD_MACH_O_SECTNAME_SIZE] = 0; |
46d1c23b TG |
2842 | section->addr = bfd_h_get_64 (abfd, raw.addr); |
2843 | section->size = bfd_h_get_64 (abfd, raw.size); | |
2844 | section->offset = bfd_h_get_32 (abfd, raw.offset); | |
2845 | section->align = bfd_h_get_32 (abfd, raw.align); | |
2846 | section->reloff = bfd_h_get_32 (abfd, raw.reloff); | |
2847 | section->nreloc = bfd_h_get_32 (abfd, raw.nreloc); | |
2848 | section->flags = bfd_h_get_32 (abfd, raw.flags); | |
2849 | section->reserved1 = bfd_h_get_32 (abfd, raw.reserved1); | |
2850 | section->reserved2 = bfd_h_get_32 (abfd, raw.reserved2); | |
2851 | section->reserved3 = bfd_h_get_32 (abfd, raw.reserved3); | |
3af9a47b | 2852 | |
f1bde64c | 2853 | bfd_mach_o_init_section_from_mach_o (abfd, sec, prot); |
3af9a47b | 2854 | |
f1bde64c | 2855 | return sec; |
3af9a47b NC |
2856 | } |
2857 | ||
f1bde64c | 2858 | static asection * |
ab273af8 | 2859 | bfd_mach_o_read_section (bfd *abfd, |
ab273af8 TG |
2860 | unsigned int offset, |
2861 | unsigned long prot, | |
2862 | unsigned int wide) | |
1e8a024a TG |
2863 | { |
2864 | if (wide) | |
f1bde64c | 2865 | return bfd_mach_o_read_section_64 (abfd, offset, prot); |
1e8a024a | 2866 | else |
f1bde64c | 2867 | return bfd_mach_o_read_section_32 (abfd, offset, prot); |
1e8a024a TG |
2868 | } |
2869 | ||
afbb9e17 | 2870 | static bfd_boolean |
ab273af8 TG |
2871 | bfd_mach_o_read_symtab_symbol (bfd *abfd, |
2872 | bfd_mach_o_symtab_command *sym, | |
2873 | bfd_mach_o_asymbol *s, | |
2874 | unsigned long i) | |
3af9a47b | 2875 | { |
046b007d | 2876 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
c2f09c75 | 2877 | unsigned int wide = mach_o_wide_p (&mdata->header); |
046b007d TG |
2878 | unsigned int symwidth = |
2879 | wide ? BFD_MACH_O_NLIST_64_SIZE : BFD_MACH_O_NLIST_SIZE; | |
92bc0e80 | 2880 | unsigned int symoff = sym->symoff + (i * symwidth); |
46d1c23b | 2881 | struct mach_o_nlist_64_external raw; |
3af9a47b NC |
2882 | unsigned char type = -1; |
2883 | unsigned char section = -1; | |
2884 | short desc = -1; | |
1e8a024a | 2885 | symvalue value = -1; |
3af9a47b NC |
2886 | unsigned long stroff = -1; |
2887 | unsigned int symtype = -1; | |
2888 | ||
2889 | BFD_ASSERT (sym->strtab != NULL); | |
2890 | ||
c2f09c75 | 2891 | if (bfd_seek (abfd, symoff, SEEK_SET) != 0 |
46d1c23b | 2892 | || bfd_bread (&raw, symwidth, abfd) != symwidth) |
3af9a47b | 2893 | { |
46d1c23b TG |
2894 | (*_bfd_error_handler) |
2895 | (_("bfd_mach_o_read_symtab_symbol: unable to read %d bytes at %lu"), | |
2896 | symwidth, (unsigned long) symoff); | |
afbb9e17 | 2897 | return FALSE; |
3af9a47b NC |
2898 | } |
2899 | ||
46d1c23b TG |
2900 | stroff = bfd_h_get_32 (abfd, raw.n_strx); |
2901 | type = bfd_h_get_8 (abfd, raw.n_type); | |
c2f09c75 | 2902 | symtype = type & BFD_MACH_O_N_TYPE; |
46d1c23b TG |
2903 | section = bfd_h_get_8 (abfd, raw.n_sect); |
2904 | desc = bfd_h_get_16 (abfd, raw.n_desc); | |
1e8a024a | 2905 | if (wide) |
46d1c23b | 2906 | value = bfd_h_get_64 (abfd, raw.n_value); |
1e8a024a | 2907 | else |
46d1c23b | 2908 | value = bfd_h_get_32 (abfd, raw.n_value); |
3af9a47b NC |
2909 | |
2910 | if (stroff >= sym->strsize) | |
2911 | { | |
46d1c23b TG |
2912 | (*_bfd_error_handler) |
2913 | (_("bfd_mach_o_read_symtab_symbol: name out of range (%lu >= %lu)"), | |
2914 | (unsigned long) stroff, | |
2915 | (unsigned long) sym->strsize); | |
afbb9e17 | 2916 | return FALSE; |
3af9a47b NC |
2917 | } |
2918 | ||
92bc0e80 TG |
2919 | s->symbol.the_bfd = abfd; |
2920 | s->symbol.name = sym->strtab + stroff; | |
2921 | s->symbol.value = value; | |
2922 | s->symbol.flags = 0x0; | |
b22161d6 | 2923 | s->symbol.udata.i = i; |
92bc0e80 TG |
2924 | s->n_type = type; |
2925 | s->n_sect = section; | |
2926 | s->n_desc = desc; | |
3af9a47b NC |
2927 | |
2928 | if (type & BFD_MACH_O_N_STAB) | |
2929 | { | |
92bc0e80 TG |
2930 | s->symbol.flags |= BSF_DEBUGGING; |
2931 | s->symbol.section = bfd_und_section_ptr; | |
15e1c58a TG |
2932 | switch (type) |
2933 | { | |
2934 | case N_FUN: | |
2935 | case N_STSYM: | |
2936 | case N_LCSYM: | |
2937 | case N_BNSYM: | |
2938 | case N_SLINE: | |
2939 | case N_ENSYM: | |
2940 | case N_ECOMM: | |
2941 | case N_ECOML: | |
2942 | case N_GSYM: | |
2943 | if ((section > 0) && (section <= mdata->nsects)) | |
2944 | { | |
92bc0e80 TG |
2945 | s->symbol.section = mdata->sections[section - 1]->bfdsection; |
2946 | s->symbol.value = | |
2947 | s->symbol.value - mdata->sections[section - 1]->addr; | |
15e1c58a TG |
2948 | } |
2949 | break; | |
2950 | } | |
3af9a47b NC |
2951 | } |
2952 | else | |
2953 | { | |
b22161d6 | 2954 | if (type & (BFD_MACH_O_N_PEXT | BFD_MACH_O_N_EXT)) |
92bc0e80 | 2955 | s->symbol.flags |= BSF_GLOBAL; |
b22161d6 | 2956 | else |
92bc0e80 | 2957 | s->symbol.flags |= BSF_LOCAL; |
3af9a47b NC |
2958 | |
2959 | switch (symtype) | |
2960 | { | |
2961 | case BFD_MACH_O_N_UNDF: | |
c2f09c75 | 2962 | if (type == (BFD_MACH_O_N_UNDF | BFD_MACH_O_N_EXT) |
92bc0e80 | 2963 | && s->symbol.value != 0) |
c2f09c75 TG |
2964 | { |
2965 | /* A common symbol. */ | |
92bc0e80 TG |
2966 | s->symbol.section = bfd_com_section_ptr; |
2967 | s->symbol.flags = BSF_NO_FLAGS; | |
c2f09c75 TG |
2968 | } |
2969 | else | |
92bc0e80 TG |
2970 | { |
2971 | s->symbol.section = bfd_und_section_ptr; | |
2972 | if (s->n_desc & BFD_MACH_O_N_WEAK_REF) | |
2973 | s->symbol.flags |= BSF_WEAK; | |
2974 | } | |
3af9a47b NC |
2975 | break; |
2976 | case BFD_MACH_O_N_PBUD: | |
92bc0e80 | 2977 | s->symbol.section = bfd_und_section_ptr; |
3af9a47b NC |
2978 | break; |
2979 | case BFD_MACH_O_N_ABS: | |
92bc0e80 | 2980 | s->symbol.section = bfd_abs_section_ptr; |
3af9a47b NC |
2981 | break; |
2982 | case BFD_MACH_O_N_SECT: | |
2983 | if ((section > 0) && (section <= mdata->nsects)) | |
2984 | { | |
92bc0e80 TG |
2985 | s->symbol.section = mdata->sections[section - 1]->bfdsection; |
2986 | s->symbol.value = | |
2987 | s->symbol.value - mdata->sections[section - 1]->addr; | |
3af9a47b NC |
2988 | } |
2989 | else | |
2990 | { | |
2991 | /* Mach-O uses 0 to mean "no section"; not an error. */ | |
2992 | if (section != 0) | |
2993 | { | |
4a97a0e5 AM |
2994 | (*_bfd_error_handler) (_("bfd_mach_o_read_symtab_symbol: " |
2995 | "symbol \"%s\" specified invalid section %d (max %lu): setting to undefined"), | |
2996 | s->symbol.name, section, mdata->nsects); | |
3af9a47b | 2997 | } |
92bc0e80 | 2998 | s->symbol.section = bfd_und_section_ptr; |
3af9a47b NC |
2999 | } |
3000 | break; | |
3001 | case BFD_MACH_O_N_INDR: | |
0596a831 TG |
3002 | /* FIXME: we don't follow the BFD convention as this indirect symbol |
3003 | won't be followed by the referenced one. This looks harmless | |
3004 | unless we start using the linker. */ | |
3005 | s->symbol.flags |= BSF_INDIRECT; | |
3006 | s->symbol.section = bfd_ind_section_ptr; | |
3007 | s->symbol.value = 0; | |
3af9a47b NC |
3008 | break; |
3009 | default: | |
4a97a0e5 AM |
3010 | (*_bfd_error_handler) (_("bfd_mach_o_read_symtab_symbol: " |
3011 | "symbol \"%s\" specified invalid type field 0x%x: setting to undefined"), | |
3012 | s->symbol.name, symtype); | |
92bc0e80 | 3013 | s->symbol.section = bfd_und_section_ptr; |
3af9a47b NC |
3014 | break; |
3015 | } | |
3016 | } | |
3017 | ||
afbb9e17 | 3018 | return TRUE; |
3af9a47b NC |
3019 | } |
3020 | ||
c5012cd8 | 3021 | bfd_boolean |
ab273af8 | 3022 | bfd_mach_o_read_symtab_strtab (bfd *abfd) |
3af9a47b | 3023 | { |
046b007d TG |
3024 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
3025 | bfd_mach_o_symtab_command *sym = mdata->symtab; | |
3026 | ||
3027 | /* Fail if there is no symtab. */ | |
3028 | if (sym == NULL) | |
afbb9e17 | 3029 | return FALSE; |
046b007d TG |
3030 | |
3031 | /* Success if already loaded. */ | |
3032 | if (sym->strtab) | |
afbb9e17 | 3033 | return TRUE; |
3af9a47b NC |
3034 | |
3035 | if (abfd->flags & BFD_IN_MEMORY) | |
3036 | { | |
3037 | struct bfd_in_memory *b; | |
3038 | ||
3039 | b = (struct bfd_in_memory *) abfd->iostream; | |
3040 | ||
3041 | if ((sym->stroff + sym->strsize) > b->size) | |
3042 | { | |
3043 | bfd_set_error (bfd_error_file_truncated); | |
afbb9e17 | 3044 | return FALSE; |
3af9a47b | 3045 | } |
f075ee0c | 3046 | sym->strtab = (char *) b->buffer + sym->stroff; |
3af9a47b | 3047 | } |
046b007d | 3048 | else |
3af9a47b | 3049 | { |
046b007d TG |
3050 | sym->strtab = bfd_alloc (abfd, sym->strsize); |
3051 | if (sym->strtab == NULL) | |
afbb9e17 | 3052 | return FALSE; |
046b007d TG |
3053 | |
3054 | if (bfd_seek (abfd, sym->stroff, SEEK_SET) != 0 | |
afbb9e17 | 3055 | || bfd_bread (sym->strtab, sym->strsize, abfd) != sym->strsize) |
046b007d TG |
3056 | { |
3057 | bfd_set_error (bfd_error_file_truncated); | |
afbb9e17 | 3058 | return FALSE; |
046b007d | 3059 | } |
3af9a47b NC |
3060 | } |
3061 | ||
afbb9e17 | 3062 | return TRUE; |
3af9a47b NC |
3063 | } |
3064 | ||
c5012cd8 | 3065 | bfd_boolean |
ab273af8 | 3066 | bfd_mach_o_read_symtab_symbols (bfd *abfd) |
3af9a47b | 3067 | { |
046b007d TG |
3068 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
3069 | bfd_mach_o_symtab_command *sym = mdata->symtab; | |
3af9a47b | 3070 | unsigned long i; |
3af9a47b | 3071 | |
092d27ff TG |
3072 | if (sym == NULL || sym->symbols) |
3073 | { | |
3074 | /* Return now if there are no symbols or if already loaded. */ | |
afbb9e17 | 3075 | return TRUE; |
092d27ff | 3076 | } |
046b007d | 3077 | |
92bc0e80 | 3078 | sym->symbols = bfd_alloc (abfd, sym->nsyms * sizeof (bfd_mach_o_asymbol)); |
3af9a47b NC |
3079 | |
3080 | if (sym->symbols == NULL) | |
3081 | { | |
4a97a0e5 | 3082 | (*_bfd_error_handler) (_("bfd_mach_o_read_symtab_symbols: unable to allocate memory for symbols")); |
afbb9e17 | 3083 | return FALSE; |
3af9a47b | 3084 | } |
a95a4550 | 3085 | |
afbb9e17 TG |
3086 | if (!bfd_mach_o_read_symtab_strtab (abfd)) |
3087 | return FALSE; | |
3af9a47b NC |
3088 | |
3089 | for (i = 0; i < sym->nsyms; i++) | |
3090 | { | |
afbb9e17 TG |
3091 | if (!bfd_mach_o_read_symtab_symbol (abfd, sym, &sym->symbols[i], i)) |
3092 | return FALSE; | |
3af9a47b | 3093 | } |
a95a4550 | 3094 | |
afbb9e17 | 3095 | return TRUE; |
3af9a47b NC |
3096 | } |
3097 | ||
3098 | static const char * | |
116c20d2 | 3099 | bfd_mach_o_i386_flavour_string (unsigned int flavour) |
3af9a47b NC |
3100 | { |
3101 | switch ((int) flavour) | |
3102 | { | |
15e1c58a TG |
3103 | case BFD_MACH_O_x86_THREAD_STATE32: return "x86_THREAD_STATE32"; |
3104 | case BFD_MACH_O_x86_FLOAT_STATE32: return "x86_FLOAT_STATE32"; | |
3105 | case BFD_MACH_O_x86_EXCEPTION_STATE32: return "x86_EXCEPTION_STATE32"; | |
3106 | case BFD_MACH_O_x86_THREAD_STATE64: return "x86_THREAD_STATE64"; | |
3107 | case BFD_MACH_O_x86_FLOAT_STATE64: return "x86_FLOAT_STATE64"; | |
3108 | case BFD_MACH_O_x86_EXCEPTION_STATE64: return "x86_EXCEPTION_STATE64"; | |
3109 | case BFD_MACH_O_x86_THREAD_STATE: return "x86_THREAD_STATE"; | |
3110 | case BFD_MACH_O_x86_FLOAT_STATE: return "x86_FLOAT_STATE"; | |
3111 | case BFD_MACH_O_x86_EXCEPTION_STATE: return "x86_EXCEPTION_STATE"; | |
3112 | case BFD_MACH_O_x86_DEBUG_STATE32: return "x86_DEBUG_STATE32"; | |
3113 | case BFD_MACH_O_x86_DEBUG_STATE64: return "x86_DEBUG_STATE64"; | |
3114 | case BFD_MACH_O_x86_DEBUG_STATE: return "x86_DEBUG_STATE"; | |
b32e07d7 | 3115 | case BFD_MACH_O_x86_THREAD_STATE_NONE: return "x86_THREAD_STATE_NONE"; |
3af9a47b NC |
3116 | default: return "UNKNOWN"; |
3117 | } | |
3118 | } | |
3119 | ||
3120 | static const char * | |
116c20d2 | 3121 | bfd_mach_o_ppc_flavour_string (unsigned int flavour) |
3af9a47b NC |
3122 | { |
3123 | switch ((int) flavour) | |
3124 | { | |
b32e07d7 TG |
3125 | case BFD_MACH_O_PPC_THREAD_STATE: return "PPC_THREAD_STATE"; |
3126 | case BFD_MACH_O_PPC_FLOAT_STATE: return "PPC_FLOAT_STATE"; | |
3127 | case BFD_MACH_O_PPC_EXCEPTION_STATE: return "PPC_EXCEPTION_STATE"; | |
3128 | case BFD_MACH_O_PPC_VECTOR_STATE: return "PPC_VECTOR_STATE"; | |
3129 | case BFD_MACH_O_PPC_THREAD_STATE64: return "PPC_THREAD_STATE64"; | |
3130 | case BFD_MACH_O_PPC_EXCEPTION_STATE64: return "PPC_EXCEPTION_STATE64"; | |
3af9a47b NC |
3131 | default: return "UNKNOWN"; |
3132 | } | |
3133 | } | |
3134 | ||
3135 | static int | |
ab273af8 | 3136 | bfd_mach_o_read_dylinker (bfd *abfd, bfd_mach_o_load_command *command) |
3af9a47b NC |
3137 | { |
3138 | bfd_mach_o_dylinker_command *cmd = &command->command.dylinker; | |
46d1c23b | 3139 | struct mach_o_str_command_external raw; |
3af9a47b | 3140 | unsigned int nameoff; |
3af9a47b NC |
3141 | |
3142 | BFD_ASSERT ((command->type == BFD_MACH_O_LC_ID_DYLINKER) | |
3143 | || (command->type == BFD_MACH_O_LC_LOAD_DYLINKER)); | |
3144 | ||
46d1c23b TG |
3145 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 |
3146 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
3af9a47b NC |
3147 | return -1; |
3148 | ||
46d1c23b | 3149 | nameoff = bfd_h_get_32 (abfd, raw.str); |
3af9a47b NC |
3150 | |
3151 | cmd->name_offset = command->offset + nameoff; | |
3152 | cmd->name_len = command->len - nameoff; | |
b32e07d7 TG |
3153 | cmd->name_str = bfd_alloc (abfd, cmd->name_len); |
3154 | if (cmd->name_str == NULL) | |
3af9a47b | 3155 | return -1; |
b32e07d7 TG |
3156 | if (bfd_seek (abfd, cmd->name_offset, SEEK_SET) != 0 |
3157 | || bfd_bread (cmd->name_str, cmd->name_len, abfd) != cmd->name_len) | |
3af9a47b | 3158 | return -1; |
3af9a47b NC |
3159 | return 0; |
3160 | } | |
3161 | ||
3162 | static int | |
ab273af8 | 3163 | bfd_mach_o_read_dylib (bfd *abfd, bfd_mach_o_load_command *command) |
3af9a47b NC |
3164 | { |
3165 | bfd_mach_o_dylib_command *cmd = &command->command.dylib; | |
46d1c23b | 3166 | struct mach_o_dylib_command_external raw; |
3af9a47b | 3167 | unsigned int nameoff; |
3af9a47b | 3168 | |
046b007d TG |
3169 | switch (command->type) |
3170 | { | |
3171 | case BFD_MACH_O_LC_LOAD_DYLIB: | |
046b007d | 3172 | case BFD_MACH_O_LC_LOAD_WEAK_DYLIB: |
046b007d | 3173 | case BFD_MACH_O_LC_ID_DYLIB: |
046b007d | 3174 | case BFD_MACH_O_LC_REEXPORT_DYLIB: |
73017762 | 3175 | case BFD_MACH_O_LC_LOAD_UPWARD_DYLIB: |
046b007d TG |
3176 | break; |
3177 | default: | |
b32e07d7 TG |
3178 | BFD_FAIL (); |
3179 | return -1; | |
046b007d | 3180 | } |
3af9a47b | 3181 | |
46d1c23b TG |
3182 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 |
3183 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
3af9a47b NC |
3184 | return -1; |
3185 | ||
46d1c23b TG |
3186 | nameoff = bfd_h_get_32 (abfd, raw.name); |
3187 | cmd->timestamp = bfd_h_get_32 (abfd, raw.timestamp); | |
3188 | cmd->current_version = bfd_h_get_32 (abfd, raw.current_version); | |
3189 | cmd->compatibility_version = bfd_h_get_32 (abfd, raw.compatibility_version); | |
3af9a47b NC |
3190 | |
3191 | cmd->name_offset = command->offset + nameoff; | |
3192 | cmd->name_len = command->len - nameoff; | |
b32e07d7 TG |
3193 | cmd->name_str = bfd_alloc (abfd, cmd->name_len); |
3194 | if (cmd->name_str == NULL) | |
3af9a47b | 3195 | return -1; |
b32e07d7 TG |
3196 | if (bfd_seek (abfd, cmd->name_offset, SEEK_SET) != 0 |
3197 | || bfd_bread (cmd->name_str, cmd->name_len, abfd) != cmd->name_len) | |
3af9a47b | 3198 | return -1; |
3af9a47b NC |
3199 | return 0; |
3200 | } | |
3201 | ||
3202 | static int | |
ab273af8 TG |
3203 | bfd_mach_o_read_prebound_dylib (bfd *abfd ATTRIBUTE_UNUSED, |
3204 | bfd_mach_o_load_command *command ATTRIBUTE_UNUSED) | |
3af9a47b NC |
3205 | { |
3206 | /* bfd_mach_o_prebound_dylib_command *cmd = &command->command.prebound_dylib; */ | |
3207 | ||
3208 | BFD_ASSERT (command->type == BFD_MACH_O_LC_PREBOUND_DYLIB); | |
3209 | return 0; | |
3210 | } | |
3211 | ||
9f4a5bd1 TG |
3212 | static int |
3213 | bfd_mach_o_read_fvmlib (bfd *abfd, bfd_mach_o_load_command *command) | |
3214 | { | |
3215 | bfd_mach_o_fvmlib_command *fvm = &command->command.fvmlib; | |
3216 | struct mach_o_fvmlib_command_external raw; | |
3217 | unsigned int nameoff; | |
3218 | ||
3219 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 | |
3220 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
3221 | return -1; | |
3222 | ||
3223 | nameoff = bfd_h_get_32 (abfd, raw.name); | |
3224 | fvm->minor_version = bfd_h_get_32 (abfd, raw.minor_version); | |
3225 | fvm->header_addr = bfd_h_get_32 (abfd, raw.header_addr); | |
3226 | ||
3227 | fvm->name_offset = command->offset + nameoff; | |
3228 | fvm->name_len = command->len - nameoff; | |
3229 | fvm->name_str = bfd_alloc (abfd, fvm->name_len); | |
3230 | if (fvm->name_str == NULL) | |
3231 | return -1; | |
3232 | if (bfd_seek (abfd, fvm->name_offset, SEEK_SET) != 0 | |
3233 | || bfd_bread (fvm->name_str, fvm->name_len, abfd) != fvm->name_len) | |
3234 | return -1; | |
3235 | return 0; | |
3236 | } | |
3237 | ||
3af9a47b | 3238 | static int |
ab273af8 | 3239 | bfd_mach_o_read_thread (bfd *abfd, bfd_mach_o_load_command *command) |
3af9a47b | 3240 | { |
b32e07d7 | 3241 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
3af9a47b | 3242 | bfd_mach_o_thread_command *cmd = &command->command.thread; |
92bc0e80 | 3243 | unsigned int offset; |
3af9a47b NC |
3244 | unsigned int nflavours; |
3245 | unsigned int i; | |
3246 | ||
3247 | BFD_ASSERT ((command->type == BFD_MACH_O_LC_THREAD) | |
3248 | || (command->type == BFD_MACH_O_LC_UNIXTHREAD)); | |
3249 | ||
b32e07d7 | 3250 | /* Count the number of threads. */ |
3af9a47b NC |
3251 | offset = 8; |
3252 | nflavours = 0; | |
3253 | while (offset != command->len) | |
3254 | { | |
46d1c23b TG |
3255 | struct mach_o_thread_command_external raw; |
3256 | ||
3af9a47b NC |
3257 | if (offset >= command->len) |
3258 | return -1; | |
3259 | ||
c2f09c75 | 3260 | if (bfd_seek (abfd, command->offset + offset, SEEK_SET) != 0 |
46d1c23b | 3261 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) |
3af9a47b NC |
3262 | return -1; |
3263 | ||
46d1c23b | 3264 | offset += sizeof (raw) + bfd_h_get_32 (abfd, raw.count) * 4; |
3af9a47b NC |
3265 | nflavours++; |
3266 | } | |
3267 | ||
b32e07d7 TG |
3268 | /* Allocate threads. */ |
3269 | cmd->flavours = bfd_alloc | |
3270 | (abfd, nflavours * sizeof (bfd_mach_o_thread_flavour)); | |
3af9a47b NC |
3271 | if (cmd->flavours == NULL) |
3272 | return -1; | |
3273 | cmd->nflavours = nflavours; | |
3274 | ||
3275 | offset = 8; | |
3276 | nflavours = 0; | |
3277 | while (offset != command->len) | |
3278 | { | |
46d1c23b TG |
3279 | struct mach_o_thread_command_external raw; |
3280 | ||
3af9a47b NC |
3281 | if (offset >= command->len) |
3282 | return -1; | |
3283 | ||
3284 | if (nflavours >= cmd->nflavours) | |
3285 | return -1; | |
3286 | ||
c2f09c75 | 3287 | if (bfd_seek (abfd, command->offset + offset, SEEK_SET) != 0 |
46d1c23b | 3288 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) |
3af9a47b NC |
3289 | return -1; |
3290 | ||
46d1c23b TG |
3291 | cmd->flavours[nflavours].flavour = bfd_h_get_32 (abfd, raw.flavour); |
3292 | cmd->flavours[nflavours].offset = command->offset + offset + sizeof (raw); | |
3293 | cmd->flavours[nflavours].size = bfd_h_get_32 (abfd, raw.count) * 4; | |
3294 | offset += cmd->flavours[nflavours].size + sizeof (raw); | |
3af9a47b NC |
3295 | nflavours++; |
3296 | } | |
3297 | ||
3298 | for (i = 0; i < nflavours; i++) | |
3299 | { | |
3300 | asection *bfdsec; | |
3301 | unsigned int snamelen; | |
3302 | char *sname; | |
3303 | const char *flavourstr; | |
3304 | const char *prefix = "LC_THREAD"; | |
a95a4550 AM |
3305 | unsigned int j = 0; |
3306 | ||
3af9a47b NC |
3307 | switch (mdata->header.cputype) |
3308 | { | |
3309 | case BFD_MACH_O_CPU_TYPE_POWERPC: | |
1e8a024a | 3310 | case BFD_MACH_O_CPU_TYPE_POWERPC_64: |
3af9a47b NC |
3311 | flavourstr = bfd_mach_o_ppc_flavour_string (cmd->flavours[i].flavour); |
3312 | break; | |
3313 | case BFD_MACH_O_CPU_TYPE_I386: | |
1e8a024a | 3314 | case BFD_MACH_O_CPU_TYPE_X86_64: |
3af9a47b NC |
3315 | flavourstr = bfd_mach_o_i386_flavour_string (cmd->flavours[i].flavour); |
3316 | break; | |
3317 | default: | |
3318 | flavourstr = "UNKNOWN_ARCHITECTURE"; | |
3319 | break; | |
3320 | } | |
a95a4550 | 3321 | |
3af9a47b | 3322 | snamelen = strlen (prefix) + 1 + 20 + 1 + strlen (flavourstr) + 1; |
116c20d2 | 3323 | sname = bfd_alloc (abfd, snamelen); |
3af9a47b NC |
3324 | if (sname == NULL) |
3325 | return -1; | |
3326 | ||
3327 | for (;;) | |
3328 | { | |
a95a4550 AM |
3329 | sprintf (sname, "%s.%s.%u", prefix, flavourstr, j); |
3330 | if (bfd_get_section_by_name (abfd, sname) == NULL) | |
3af9a47b | 3331 | break; |
a95a4550 | 3332 | j++; |
3af9a47b NC |
3333 | } |
3334 | ||
117ed4f8 | 3335 | bfdsec = bfd_make_section_with_flags (abfd, sname, SEC_HAS_CONTENTS); |
a95a4550 | 3336 | |
3af9a47b NC |
3337 | bfdsec->vma = 0; |
3338 | bfdsec->lma = 0; | |
eea6121a | 3339 | bfdsec->size = cmd->flavours[i].size; |
3af9a47b NC |
3340 | bfdsec->filepos = cmd->flavours[i].offset; |
3341 | bfdsec->alignment_power = 0x0; | |
3af9a47b NC |
3342 | |
3343 | cmd->section = bfdsec; | |
3344 | } | |
3345 | ||
3346 | return 0; | |
3347 | } | |
3348 | ||
a95a4550 | 3349 | static int |
ab273af8 | 3350 | bfd_mach_o_read_dysymtab (bfd *abfd, bfd_mach_o_load_command *command) |
3af9a47b | 3351 | { |
046b007d | 3352 | bfd_mach_o_dysymtab_command *cmd = &command->command.dysymtab; |
b32e07d7 | 3353 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
3af9a47b NC |
3354 | |
3355 | BFD_ASSERT (command->type == BFD_MACH_O_LC_DYSYMTAB); | |
3356 | ||
46d1c23b TG |
3357 | { |
3358 | struct mach_o_dysymtab_command_external raw; | |
3359 | ||
3360 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 | |
3361 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
3362 | return -1; | |
3af9a47b | 3363 | |
46d1c23b TG |
3364 | cmd->ilocalsym = bfd_h_get_32 (abfd, raw.ilocalsym); |
3365 | cmd->nlocalsym = bfd_h_get_32 (abfd, raw.nlocalsym); | |
3366 | cmd->iextdefsym = bfd_h_get_32 (abfd, raw.iextdefsym); | |
3367 | cmd->nextdefsym = bfd_h_get_32 (abfd, raw.nextdefsym); | |
3368 | cmd->iundefsym = bfd_h_get_32 (abfd, raw.iundefsym); | |
3369 | cmd->nundefsym = bfd_h_get_32 (abfd, raw.nundefsym); | |
3370 | cmd->tocoff = bfd_h_get_32 (abfd, raw.tocoff); | |
3371 | cmd->ntoc = bfd_h_get_32 (abfd, raw.ntoc); | |
3372 | cmd->modtaboff = bfd_h_get_32 (abfd, raw.modtaboff); | |
3373 | cmd->nmodtab = bfd_h_get_32 (abfd, raw.nmodtab); | |
3374 | cmd->extrefsymoff = bfd_h_get_32 (abfd, raw.extrefsymoff); | |
3375 | cmd->nextrefsyms = bfd_h_get_32 (abfd, raw.nextrefsyms); | |
3376 | cmd->indirectsymoff = bfd_h_get_32 (abfd, raw.indirectsymoff); | |
3377 | cmd->nindirectsyms = bfd_h_get_32 (abfd, raw.nindirectsyms); | |
3378 | cmd->extreloff = bfd_h_get_32 (abfd, raw.extreloff); | |
3379 | cmd->nextrel = bfd_h_get_32 (abfd, raw.nextrel); | |
3380 | cmd->locreloff = bfd_h_get_32 (abfd, raw.locreloff); | |
3381 | cmd->nlocrel = bfd_h_get_32 (abfd, raw.nlocrel); | |
3382 | } | |
046b007d TG |
3383 | |
3384 | if (cmd->nmodtab != 0) | |
3385 | { | |
046b007d TG |
3386 | unsigned int i; |
3387 | int wide = bfd_mach_o_wide_p (abfd); | |
3388 | unsigned int module_len = wide ? 56 : 52; | |
3389 | ||
3390 | cmd->dylib_module = | |
3391 | bfd_alloc (abfd, cmd->nmodtab * sizeof (bfd_mach_o_dylib_module)); | |
3392 | if (cmd->dylib_module == NULL) | |
3393 | return -1; | |
3394 | ||
3395 | if (bfd_seek (abfd, cmd->modtaboff, SEEK_SET) != 0) | |
3396 | return -1; | |
3397 | ||
3398 | for (i = 0; i < cmd->nmodtab; i++) | |
3399 | { | |
3400 | bfd_mach_o_dylib_module *module = &cmd->dylib_module[i]; | |
3401 | unsigned long v; | |
46d1c23b | 3402 | unsigned char buf[56]; |
046b007d | 3403 | |
91d6fa6a | 3404 | if (bfd_bread ((void *) buf, module_len, abfd) != module_len) |
046b007d TG |
3405 | return -1; |
3406 | ||
3407 | module->module_name_idx = bfd_h_get_32 (abfd, buf + 0); | |
3408 | module->iextdefsym = bfd_h_get_32 (abfd, buf + 4); | |
3409 | module->nextdefsym = bfd_h_get_32 (abfd, buf + 8); | |
3410 | module->irefsym = bfd_h_get_32 (abfd, buf + 12); | |
3411 | module->nrefsym = bfd_h_get_32 (abfd, buf + 16); | |
3412 | module->ilocalsym = bfd_h_get_32 (abfd, buf + 20); | |
3413 | module->nlocalsym = bfd_h_get_32 (abfd, buf + 24); | |
3414 | module->iextrel = bfd_h_get_32 (abfd, buf + 28); | |
3415 | module->nextrel = bfd_h_get_32 (abfd, buf + 32); | |
3416 | v = bfd_h_get_32 (abfd, buf +36); | |
3417 | module->iinit = v & 0xffff; | |
3418 | module->iterm = (v >> 16) & 0xffff; | |
3419 | v = bfd_h_get_32 (abfd, buf + 40); | |
3420 | module->ninit = v & 0xffff; | |
3421 | module->nterm = (v >> 16) & 0xffff; | |
3422 | if (wide) | |
3423 | { | |
3424 | module->objc_module_info_size = bfd_h_get_32 (abfd, buf + 44); | |
3425 | module->objc_module_info_addr = bfd_h_get_64 (abfd, buf + 48); | |
3426 | } | |
3427 | else | |
3428 | { | |
3429 | module->objc_module_info_addr = bfd_h_get_32 (abfd, buf + 44); | |
3430 | module->objc_module_info_size = bfd_h_get_32 (abfd, buf + 48); | |
3431 | } | |
3432 | } | |
3433 | } | |
afbb9e17 | 3434 | |
046b007d TG |
3435 | if (cmd->ntoc != 0) |
3436 | { | |
046b007d TG |
3437 | unsigned int i; |
3438 | ||
3439 | cmd->dylib_toc = bfd_alloc | |
3440 | (abfd, cmd->ntoc * sizeof (bfd_mach_o_dylib_table_of_content)); | |
3441 | if (cmd->dylib_toc == NULL) | |
3442 | return -1; | |
3443 | ||
3444 | if (bfd_seek (abfd, cmd->tocoff, SEEK_SET) != 0) | |
3445 | return -1; | |
3446 | ||
3447 | for (i = 0; i < cmd->ntoc; i++) | |
3448 | { | |
46d1c23b | 3449 | struct mach_o_dylib_table_of_contents_external raw; |
046b007d TG |
3450 | bfd_mach_o_dylib_table_of_content *toc = &cmd->dylib_toc[i]; |
3451 | ||
46d1c23b | 3452 | if (bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) |
046b007d TG |
3453 | return -1; |
3454 | ||
46d1c23b TG |
3455 | toc->symbol_index = bfd_h_get_32 (abfd, raw.symbol_index); |
3456 | toc->module_index = bfd_h_get_32 (abfd, raw.module_index); | |
046b007d TG |
3457 | } |
3458 | } | |
3459 | ||
3460 | if (cmd->nindirectsyms != 0) | |
3461 | { | |
046b007d TG |
3462 | unsigned int i; |
3463 | ||
3464 | cmd->indirect_syms = bfd_alloc | |
3465 | (abfd, cmd->nindirectsyms * sizeof (unsigned int)); | |
3466 | if (cmd->indirect_syms == NULL) | |
3467 | return -1; | |
3468 | ||
3469 | if (bfd_seek (abfd, cmd->indirectsymoff, SEEK_SET) != 0) | |
3470 | return -1; | |
3471 | ||
3472 | for (i = 0; i < cmd->nindirectsyms; i++) | |
3473 | { | |
46d1c23b | 3474 | unsigned char raw[4]; |
046b007d TG |
3475 | unsigned int *is = &cmd->indirect_syms[i]; |
3476 | ||
46d1c23b | 3477 | if (bfd_bread (raw, sizeof (raw), abfd) != sizeof (raw)) |
046b007d TG |
3478 | return -1; |
3479 | ||
46d1c23b | 3480 | *is = bfd_h_get_32 (abfd, raw); |
046b007d TG |
3481 | } |
3482 | } | |
3483 | ||
3484 | if (cmd->nextrefsyms != 0) | |
3485 | { | |
046b007d TG |
3486 | unsigned long v; |
3487 | unsigned int i; | |
3488 | ||
3489 | cmd->ext_refs = bfd_alloc | |
3490 | (abfd, cmd->nextrefsyms * sizeof (bfd_mach_o_dylib_reference)); | |
3491 | if (cmd->ext_refs == NULL) | |
3492 | return -1; | |
3493 | ||
3494 | if (bfd_seek (abfd, cmd->extrefsymoff, SEEK_SET) != 0) | |
3495 | return -1; | |
3496 | ||
3497 | for (i = 0; i < cmd->nextrefsyms; i++) | |
3498 | { | |
46d1c23b | 3499 | unsigned char raw[4]; |
046b007d TG |
3500 | bfd_mach_o_dylib_reference *ref = &cmd->ext_refs[i]; |
3501 | ||
46d1c23b | 3502 | if (bfd_bread (raw, sizeof (raw), abfd) != sizeof (raw)) |
046b007d TG |
3503 | return -1; |
3504 | ||
b32e07d7 TG |
3505 | /* Fields isym and flags are written as bit-fields, thus we need |
3506 | a specific processing for endianness. */ | |
46d1c23b | 3507 | v = bfd_h_get_32 (abfd, raw); |
b32e07d7 TG |
3508 | if (bfd_big_endian (abfd)) |
3509 | { | |
3510 | ref->isym = (v >> 8) & 0xffffff; | |
3511 | ref->flags = v & 0xff; | |
3512 | } | |
3513 | else | |
3514 | { | |
3515 | ref->isym = v & 0xffffff; | |
3516 | ref->flags = (v >> 24) & 0xff; | |
3517 | } | |
046b007d TG |
3518 | } |
3519 | } | |
3af9a47b | 3520 | |
b32e07d7 TG |
3521 | if (mdata->dysymtab) |
3522 | return -1; | |
3523 | mdata->dysymtab = cmd; | |
3524 | ||
3af9a47b NC |
3525 | return 0; |
3526 | } | |
3527 | ||
a95a4550 | 3528 | static int |
ab273af8 | 3529 | bfd_mach_o_read_symtab (bfd *abfd, bfd_mach_o_load_command *command) |
3af9a47b | 3530 | { |
046b007d TG |
3531 | bfd_mach_o_symtab_command *symtab = &command->command.symtab; |
3532 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
46d1c23b | 3533 | struct mach_o_symtab_command_external raw; |
3af9a47b NC |
3534 | |
3535 | BFD_ASSERT (command->type == BFD_MACH_O_LC_SYMTAB); | |
3536 | ||
46d1c23b TG |
3537 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 |
3538 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
3af9a47b | 3539 | return -1; |
a95a4550 | 3540 | |
46d1c23b TG |
3541 | symtab->symoff = bfd_h_get_32 (abfd, raw.symoff); |
3542 | symtab->nsyms = bfd_h_get_32 (abfd, raw.nsyms); | |
3543 | symtab->stroff = bfd_h_get_32 (abfd, raw.stroff); | |
3544 | symtab->strsize = bfd_h_get_32 (abfd, raw.strsize); | |
046b007d TG |
3545 | symtab->symbols = NULL; |
3546 | symtab->strtab = NULL; | |
3af9a47b | 3547 | |
046b007d | 3548 | if (symtab->nsyms != 0) |
15e1c58a TG |
3549 | abfd->flags |= HAS_SYMS; |
3550 | ||
046b007d TG |
3551 | if (mdata->symtab) |
3552 | return -1; | |
3553 | mdata->symtab = symtab; | |
3af9a47b NC |
3554 | return 0; |
3555 | } | |
3556 | ||
15e1c58a | 3557 | static int |
ab273af8 | 3558 | bfd_mach_o_read_uuid (bfd *abfd, bfd_mach_o_load_command *command) |
15e1c58a TG |
3559 | { |
3560 | bfd_mach_o_uuid_command *cmd = &command->command.uuid; | |
15e1c58a TG |
3561 | |
3562 | BFD_ASSERT (command->type == BFD_MACH_O_LC_UUID); | |
3563 | ||
46d1c23b TG |
3564 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 |
3565 | || bfd_bread (cmd->uuid, 16, abfd) != 16) | |
15e1c58a TG |
3566 | return -1; |
3567 | ||
15e1c58a TG |
3568 | return 0; |
3569 | } | |
3570 | ||
046b007d | 3571 | static int |
ab273af8 | 3572 | bfd_mach_o_read_linkedit (bfd *abfd, bfd_mach_o_load_command *command) |
046b007d TG |
3573 | { |
3574 | bfd_mach_o_linkedit_command *cmd = &command->command.linkedit; | |
46d1c23b | 3575 | struct mach_o_linkedit_data_command_external raw; |
046b007d | 3576 | |
46d1c23b TG |
3577 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 |
3578 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
046b007d TG |
3579 | return -1; |
3580 | ||
46d1c23b TG |
3581 | cmd->dataoff = bfd_get_32 (abfd, raw.dataoff); |
3582 | cmd->datasize = bfd_get_32 (abfd, raw.datasize); | |
046b007d TG |
3583 | return 0; |
3584 | } | |
3585 | ||
3586 | static int | |
ab273af8 | 3587 | bfd_mach_o_read_str (bfd *abfd, bfd_mach_o_load_command *command) |
046b007d TG |
3588 | { |
3589 | bfd_mach_o_str_command *cmd = &command->command.str; | |
46d1c23b | 3590 | struct mach_o_str_command_external raw; |
046b007d TG |
3591 | unsigned long off; |
3592 | ||
46d1c23b TG |
3593 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 |
3594 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
046b007d TG |
3595 | return -1; |
3596 | ||
46d1c23b | 3597 | off = bfd_get_32 (abfd, raw.str); |
046b007d TG |
3598 | cmd->stroff = command->offset + off; |
3599 | cmd->str_len = command->len - off; | |
3600 | cmd->str = bfd_alloc (abfd, cmd->str_len); | |
3601 | if (cmd->str == NULL) | |
3602 | return -1; | |
3603 | if (bfd_seek (abfd, cmd->stroff, SEEK_SET) != 0 | |
91d6fa6a | 3604 | || bfd_bread ((void *) cmd->str, cmd->str_len, abfd) != cmd->str_len) |
046b007d TG |
3605 | return -1; |
3606 | return 0; | |
3607 | } | |
3608 | ||
ad86f1fb | 3609 | static int |
ab273af8 | 3610 | bfd_mach_o_read_dyld_info (bfd *abfd, bfd_mach_o_load_command *command) |
ad86f1fb TG |
3611 | { |
3612 | bfd_mach_o_dyld_info_command *cmd = &command->command.dyld_info; | |
46d1c23b | 3613 | struct mach_o_dyld_info_command_external raw; |
ad86f1fb | 3614 | |
46d1c23b TG |
3615 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 |
3616 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
ad86f1fb TG |
3617 | return -1; |
3618 | ||
46d1c23b TG |
3619 | cmd->rebase_off = bfd_get_32 (abfd, raw.rebase_off); |
3620 | cmd->rebase_size = bfd_get_32 (abfd, raw.rebase_size); | |
3621 | cmd->bind_off = bfd_get_32 (abfd, raw.bind_off); | |
3622 | cmd->bind_size = bfd_get_32 (abfd, raw.bind_size); | |
3623 | cmd->weak_bind_off = bfd_get_32 (abfd, raw.weak_bind_off); | |
3624 | cmd->weak_bind_size = bfd_get_32 (abfd, raw.weak_bind_size); | |
3625 | cmd->lazy_bind_off = bfd_get_32 (abfd, raw.lazy_bind_off); | |
3626 | cmd->lazy_bind_size = bfd_get_32 (abfd, raw.lazy_bind_size); | |
3627 | cmd->export_off = bfd_get_32 (abfd, raw.export_off); | |
3628 | cmd->export_size = bfd_get_32 (abfd, raw.export_size); | |
ad86f1fb TG |
3629 | return 0; |
3630 | } | |
3631 | ||
edbdea0e TG |
3632 | static bfd_boolean |
3633 | bfd_mach_o_read_version_min (bfd *abfd, bfd_mach_o_load_command *command) | |
3634 | { | |
3635 | bfd_mach_o_version_min_command *cmd = &command->command.version_min; | |
3636 | struct mach_o_version_min_command_external raw; | |
3637 | unsigned int ver; | |
3638 | ||
3639 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 | |
3640 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
3641 | return FALSE; | |
3642 | ||
3643 | ver = bfd_get_32 (abfd, raw.version); | |
3644 | cmd->rel = ver >> 16; | |
3645 | cmd->maj = ver >> 8; | |
3646 | cmd->min = ver; | |
3647 | cmd->reserved = bfd_get_32 (abfd, raw.reserved); | |
3648 | return TRUE; | |
3649 | } | |
3650 | ||
fc55a902 TG |
3651 | static bfd_boolean |
3652 | bfd_mach_o_read_encryption_info (bfd *abfd, bfd_mach_o_load_command *command) | |
3653 | { | |
3654 | bfd_mach_o_encryption_info_command *cmd = &command->command.encryption_info; | |
3655 | struct mach_o_encryption_info_command_external raw; | |
3656 | ||
3657 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 | |
3658 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
3659 | return FALSE; | |
3660 | ||
3661 | cmd->cryptoff = bfd_get_32 (abfd, raw.cryptoff); | |
3662 | cmd->cryptsize = bfd_get_32 (abfd, raw.cryptsize); | |
3663 | cmd->cryptid = bfd_get_32 (abfd, raw.cryptid); | |
3664 | return TRUE; | |
3665 | } | |
3666 | ||
1778ad74 TG |
3667 | static bfd_boolean |
3668 | bfd_mach_o_read_main (bfd *abfd, bfd_mach_o_load_command *command) | |
3669 | { | |
3670 | bfd_mach_o_main_command *cmd = &command->command.main; | |
3671 | struct mach_o_entry_point_command_external raw; | |
3672 | ||
3673 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 | |
3674 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
3675 | return FALSE; | |
3676 | ||
3677 | cmd->entryoff = bfd_get_64 (abfd, raw.entryoff); | |
3678 | cmd->stacksize = bfd_get_64 (abfd, raw.stacksize); | |
3679 | return TRUE; | |
3680 | } | |
3681 | ||
3682 | static bfd_boolean | |
3683 | bfd_mach_o_read_source_version (bfd *abfd, bfd_mach_o_load_command *command) | |
3684 | { | |
3685 | bfd_mach_o_source_version_command *cmd = &command->command.source_version; | |
3686 | struct mach_o_source_version_command_external raw; | |
3687 | bfd_uint64_t ver; | |
3688 | ||
3689 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 | |
3690 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
3691 | return FALSE; | |
3692 | ||
3693 | ver = bfd_get_64 (abfd, raw.version); | |
3694 | /* Note: we use a serie of shift to avoid shift > 32 (for which gcc | |
3695 | generates warnings) in case of the host doesn't support 64 bit | |
3696 | integers. */ | |
3697 | cmd->e = ver & 0x3ff; | |
3698 | ver >>= 10; | |
3699 | cmd->d = ver & 0x3ff; | |
3700 | ver >>= 10; | |
3701 | cmd->c = ver & 0x3ff; | |
3702 | ver >>= 10; | |
3703 | cmd->b = ver & 0x3ff; | |
3704 | ver >>= 10; | |
3705 | cmd->a = ver & 0xffffff; | |
3706 | return TRUE; | |
3707 | } | |
3708 | ||
3af9a47b | 3709 | static int |
ab273af8 TG |
3710 | bfd_mach_o_read_segment (bfd *abfd, |
3711 | bfd_mach_o_load_command *command, | |
3712 | unsigned int wide) | |
3af9a47b | 3713 | { |
3af9a47b NC |
3714 | bfd_mach_o_segment_command *seg = &command->command.segment; |
3715 | unsigned long i; | |
a95a4550 | 3716 | |
1e8a024a TG |
3717 | if (wide) |
3718 | { | |
46d1c23b TG |
3719 | struct mach_o_segment_command_64_external raw; |
3720 | ||
1e8a024a | 3721 | BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT_64); |
3af9a47b | 3722 | |
46d1c23b TG |
3723 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 |
3724 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
3725 | return -1; | |
3af9a47b | 3726 | |
46d1c23b | 3727 | memcpy (seg->segname, raw.segname, 16); |
15e1c58a | 3728 | seg->segname[16] = '\0'; |
1e8a024a | 3729 | |
46d1c23b TG |
3730 | seg->vmaddr = bfd_h_get_64 (abfd, raw.vmaddr); |
3731 | seg->vmsize = bfd_h_get_64 (abfd, raw.vmsize); | |
3732 | seg->fileoff = bfd_h_get_64 (abfd, raw.fileoff); | |
3733 | seg->filesize = bfd_h_get_64 (abfd, raw.filesize); | |
3734 | seg->maxprot = bfd_h_get_32 (abfd, raw.maxprot); | |
3735 | seg->initprot = bfd_h_get_32 (abfd, raw.initprot); | |
3736 | seg->nsects = bfd_h_get_32 (abfd, raw.nsects); | |
3737 | seg->flags = bfd_h_get_32 (abfd, raw.flags); | |
1e8a024a TG |
3738 | } |
3739 | else | |
3740 | { | |
46d1c23b TG |
3741 | struct mach_o_segment_command_32_external raw; |
3742 | ||
1e8a024a TG |
3743 | BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT); |
3744 | ||
46d1c23b TG |
3745 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 |
3746 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
3747 | return -1; | |
1e8a024a | 3748 | |
46d1c23b | 3749 | memcpy (seg->segname, raw.segname, 16); |
15e1c58a | 3750 | seg->segname[16] = '\0'; |
1e8a024a | 3751 | |
46d1c23b TG |
3752 | seg->vmaddr = bfd_h_get_32 (abfd, raw.vmaddr); |
3753 | seg->vmsize = bfd_h_get_32 (abfd, raw.vmsize); | |
3754 | seg->fileoff = bfd_h_get_32 (abfd, raw.fileoff); | |
3755 | seg->filesize = bfd_h_get_32 (abfd, raw.filesize); | |
3756 | seg->maxprot = bfd_h_get_32 (abfd, raw.maxprot); | |
3757 | seg->initprot = bfd_h_get_32 (abfd, raw.initprot); | |
3758 | seg->nsects = bfd_h_get_32 (abfd, raw.nsects); | |
3759 | seg->flags = bfd_h_get_32 (abfd, raw.flags); | |
1e8a024a | 3760 | } |
9d4b6009 TG |
3761 | seg->sect_head = NULL; |
3762 | seg->sect_tail = NULL; | |
3af9a47b | 3763 | |
f1bde64c | 3764 | for (i = 0; i < seg->nsects; i++) |
3af9a47b | 3765 | { |
f1bde64c TG |
3766 | bfd_vma segoff; |
3767 | asection *sec; | |
a95a4550 | 3768 | |
f1bde64c TG |
3769 | if (wide) |
3770 | segoff = command->offset + BFD_MACH_O_LC_SEGMENT_64_SIZE | |
3771 | + (i * BFD_MACH_O_SECTION_64_SIZE); | |
3772 | else | |
3773 | segoff = command->offset + BFD_MACH_O_LC_SEGMENT_SIZE | |
3774 | + (i * BFD_MACH_O_SECTION_SIZE); | |
3af9a47b | 3775 | |
f1bde64c TG |
3776 | sec = bfd_mach_o_read_section (abfd, segoff, seg->initprot, wide); |
3777 | if (sec == NULL) | |
3778 | return -1; | |
3779 | ||
3780 | bfd_mach_o_append_section_to_segment (seg, sec); | |
3af9a47b NC |
3781 | } |
3782 | ||
3783 | return 0; | |
3784 | } | |
3785 | ||
1e8a024a | 3786 | static int |
ab273af8 | 3787 | bfd_mach_o_read_segment_32 (bfd *abfd, bfd_mach_o_load_command *command) |
1e8a024a | 3788 | { |
ab273af8 | 3789 | return bfd_mach_o_read_segment (abfd, command, 0); |
1e8a024a TG |
3790 | } |
3791 | ||
3792 | static int | |
ab273af8 | 3793 | bfd_mach_o_read_segment_64 (bfd *abfd, bfd_mach_o_load_command *command) |
1e8a024a | 3794 | { |
ab273af8 | 3795 | return bfd_mach_o_read_segment (abfd, command, 1); |
1e8a024a TG |
3796 | } |
3797 | ||
3af9a47b | 3798 | static int |
ab273af8 | 3799 | bfd_mach_o_read_command (bfd *abfd, bfd_mach_o_load_command *command) |
3af9a47b | 3800 | { |
46d1c23b TG |
3801 | struct mach_o_load_command_external raw; |
3802 | unsigned int cmd; | |
3af9a47b | 3803 | |
046b007d | 3804 | /* Read command type and length. */ |
c2f09c75 | 3805 | if (bfd_seek (abfd, command->offset, SEEK_SET) != 0 |
46d1c23b | 3806 | || bfd_bread (&raw, BFD_MACH_O_LC_SIZE, abfd) != BFD_MACH_O_LC_SIZE) |
3af9a47b NC |
3807 | return -1; |
3808 | ||
46d1c23b TG |
3809 | cmd = bfd_h_get_32 (abfd, raw.cmd); |
3810 | command->type = cmd & ~BFD_MACH_O_LC_REQ_DYLD; | |
3811 | command->type_required = cmd & BFD_MACH_O_LC_REQ_DYLD ? TRUE : FALSE; | |
3812 | command->len = bfd_h_get_32 (abfd, raw.cmdsize); | |
3af9a47b NC |
3813 | |
3814 | switch (command->type) | |
3815 | { | |
3816 | case BFD_MACH_O_LC_SEGMENT: | |
ab273af8 | 3817 | if (bfd_mach_o_read_segment_32 (abfd, command) != 0) |
1e8a024a TG |
3818 | return -1; |
3819 | break; | |
3820 | case BFD_MACH_O_LC_SEGMENT_64: | |
ab273af8 | 3821 | if (bfd_mach_o_read_segment_64 (abfd, command) != 0) |
3af9a47b NC |
3822 | return -1; |
3823 | break; | |
3824 | case BFD_MACH_O_LC_SYMTAB: | |
ab273af8 | 3825 | if (bfd_mach_o_read_symtab (abfd, command) != 0) |
3af9a47b NC |
3826 | return -1; |
3827 | break; | |
3828 | case BFD_MACH_O_LC_SYMSEG: | |
3829 | break; | |
3830 | case BFD_MACH_O_LC_THREAD: | |
3831 | case BFD_MACH_O_LC_UNIXTHREAD: | |
ab273af8 | 3832 | if (bfd_mach_o_read_thread (abfd, command) != 0) |
3af9a47b NC |
3833 | return -1; |
3834 | break; | |
3835 | case BFD_MACH_O_LC_LOAD_DYLINKER: | |
3836 | case BFD_MACH_O_LC_ID_DYLINKER: | |
ab273af8 | 3837 | if (bfd_mach_o_read_dylinker (abfd, command) != 0) |
3af9a47b NC |
3838 | return -1; |
3839 | break; | |
3840 | case BFD_MACH_O_LC_LOAD_DYLIB: | |
3841 | case BFD_MACH_O_LC_ID_DYLIB: | |
3842 | case BFD_MACH_O_LC_LOAD_WEAK_DYLIB: | |
046b007d | 3843 | case BFD_MACH_O_LC_REEXPORT_DYLIB: |
73017762 | 3844 | case BFD_MACH_O_LC_LOAD_UPWARD_DYLIB: |
ab273af8 | 3845 | if (bfd_mach_o_read_dylib (abfd, command) != 0) |
3af9a47b NC |
3846 | return -1; |
3847 | break; | |
3848 | case BFD_MACH_O_LC_PREBOUND_DYLIB: | |
ab273af8 | 3849 | if (bfd_mach_o_read_prebound_dylib (abfd, command) != 0) |
3af9a47b NC |
3850 | return -1; |
3851 | break; | |
3852 | case BFD_MACH_O_LC_LOADFVMLIB: | |
3853 | case BFD_MACH_O_LC_IDFVMLIB: | |
9f4a5bd1 TG |
3854 | if (bfd_mach_o_read_fvmlib (abfd, command) != 0) |
3855 | return -1; | |
3856 | break; | |
3af9a47b NC |
3857 | case BFD_MACH_O_LC_IDENT: |
3858 | case BFD_MACH_O_LC_FVMFILE: | |
3859 | case BFD_MACH_O_LC_PREPAGE: | |
3860 | case BFD_MACH_O_LC_ROUTINES: | |
9b02d212 | 3861 | case BFD_MACH_O_LC_ROUTINES_64: |
046b007d | 3862 | break; |
3af9a47b | 3863 | case BFD_MACH_O_LC_SUB_FRAMEWORK: |
046b007d TG |
3864 | case BFD_MACH_O_LC_SUB_UMBRELLA: |
3865 | case BFD_MACH_O_LC_SUB_LIBRARY: | |
3866 | case BFD_MACH_O_LC_SUB_CLIENT: | |
0c9b2b4c | 3867 | case BFD_MACH_O_LC_RPATH: |
ab273af8 | 3868 | if (bfd_mach_o_read_str (abfd, command) != 0) |
046b007d | 3869 | return -1; |
3af9a47b NC |
3870 | break; |
3871 | case BFD_MACH_O_LC_DYSYMTAB: | |
ab273af8 | 3872 | if (bfd_mach_o_read_dysymtab (abfd, command) != 0) |
3af9a47b NC |
3873 | return -1; |
3874 | break; | |
3af9a47b NC |
3875 | case BFD_MACH_O_LC_TWOLEVEL_HINTS: |
3876 | case BFD_MACH_O_LC_PREBIND_CKSUM: | |
3877 | break; | |
15e1c58a | 3878 | case BFD_MACH_O_LC_UUID: |
ab273af8 | 3879 | if (bfd_mach_o_read_uuid (abfd, command) != 0) |
15e1c58a TG |
3880 | return -1; |
3881 | break; | |
3882 | case BFD_MACH_O_LC_CODE_SIGNATURE: | |
846b9259 | 3883 | case BFD_MACH_O_LC_SEGMENT_SPLIT_INFO: |
edbdea0e | 3884 | case BFD_MACH_O_LC_FUNCTION_STARTS: |
1778ad74 TG |
3885 | case BFD_MACH_O_LC_DATA_IN_CODE: |
3886 | case BFD_MACH_O_LC_DYLIB_CODE_SIGN_DRS: | |
ab273af8 | 3887 | if (bfd_mach_o_read_linkedit (abfd, command) != 0) |
046b007d | 3888 | return -1; |
15e1c58a | 3889 | break; |
fc55a902 TG |
3890 | case BFD_MACH_O_LC_ENCRYPTION_INFO: |
3891 | if (!bfd_mach_o_read_encryption_info (abfd, command)) | |
3892 | return -1; | |
3893 | break; | |
ad86f1fb | 3894 | case BFD_MACH_O_LC_DYLD_INFO: |
ab273af8 | 3895 | if (bfd_mach_o_read_dyld_info (abfd, command) != 0) |
ad86f1fb TG |
3896 | return -1; |
3897 | break; | |
edbdea0e TG |
3898 | case BFD_MACH_O_LC_VERSION_MIN_MACOSX: |
3899 | case BFD_MACH_O_LC_VERSION_MIN_IPHONEOS: | |
3900 | if (!bfd_mach_o_read_version_min (abfd, command)) | |
3901 | return -1; | |
3902 | break; | |
1778ad74 TG |
3903 | case BFD_MACH_O_LC_MAIN: |
3904 | if (!bfd_mach_o_read_main (abfd, command)) | |
3905 | return -1; | |
3906 | break; | |
3907 | case BFD_MACH_O_LC_SOURCE_VERSION: | |
3908 | if (!bfd_mach_o_read_source_version (abfd, command)) | |
3909 | return -1; | |
3910 | break; | |
3af9a47b | 3911 | default: |
fc55a902 | 3912 | (*_bfd_error_handler)(_("%B: unknown load command 0x%lx"), |
c0d9d051 | 3913 | abfd, (unsigned long) command->type); |
3af9a47b NC |
3914 | break; |
3915 | } | |
3916 | ||
3917 | return 0; | |
3918 | } | |
3919 | ||
3920 | static void | |
116c20d2 | 3921 | bfd_mach_o_flatten_sections (bfd *abfd) |
3af9a47b | 3922 | { |
046b007d | 3923 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
3af9a47b | 3924 | long csect = 0; |
f1bde64c | 3925 | unsigned long i; |
a95a4550 | 3926 | |
15e1c58a | 3927 | /* Count total number of sections. */ |
3af9a47b NC |
3928 | mdata->nsects = 0; |
3929 | ||
3930 | for (i = 0; i < mdata->header.ncmds; i++) | |
3931 | { | |
1e8a024a TG |
3932 | if (mdata->commands[i].type == BFD_MACH_O_LC_SEGMENT |
3933 | || mdata->commands[i].type == BFD_MACH_O_LC_SEGMENT_64) | |
3af9a47b | 3934 | { |
e84d6fca AM |
3935 | bfd_mach_o_segment_command *seg; |
3936 | ||
3937 | seg = &mdata->commands[i].command.segment; | |
3af9a47b NC |
3938 | mdata->nsects += seg->nsects; |
3939 | } | |
3940 | } | |
3941 | ||
15e1c58a | 3942 | /* Allocate sections array. */ |
e84d6fca AM |
3943 | mdata->sections = bfd_alloc (abfd, |
3944 | mdata->nsects * sizeof (bfd_mach_o_section *)); | |
15e1c58a TG |
3945 | |
3946 | /* Fill the array. */ | |
3af9a47b NC |
3947 | csect = 0; |
3948 | ||
3949 | for (i = 0; i < mdata->header.ncmds; i++) | |
3950 | { | |
1e8a024a TG |
3951 | if (mdata->commands[i].type == BFD_MACH_O_LC_SEGMENT |
3952 | || mdata->commands[i].type == BFD_MACH_O_LC_SEGMENT_64) | |
3af9a47b | 3953 | { |
e84d6fca | 3954 | bfd_mach_o_segment_command *seg; |
f1bde64c | 3955 | bfd_mach_o_section *sec; |
3af9a47b | 3956 | |
e84d6fca | 3957 | seg = &mdata->commands[i].command.segment; |
3af9a47b NC |
3958 | BFD_ASSERT (csect + seg->nsects <= mdata->nsects); |
3959 | ||
f1bde64c TG |
3960 | for (sec = seg->sect_head; sec != NULL; sec = sec->next) |
3961 | mdata->sections[csect++] = sec; | |
3af9a47b NC |
3962 | } |
3963 | } | |
3964 | } | |
3965 | ||
afbb9e17 | 3966 | static bfd_boolean |
116c20d2 | 3967 | bfd_mach_o_scan_start_address (bfd *abfd) |
3af9a47b | 3968 | { |
046b007d | 3969 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
3af9a47b NC |
3970 | bfd_mach_o_thread_command *cmd = NULL; |
3971 | unsigned long i; | |
3972 | ||
3973 | for (i = 0; i < mdata->header.ncmds; i++) | |
afbb9e17 TG |
3974 | if ((mdata->commands[i].type == BFD_MACH_O_LC_THREAD) || |
3975 | (mdata->commands[i].type == BFD_MACH_O_LC_UNIXTHREAD)) | |
3976 | { | |
3977 | cmd = &mdata->commands[i].command.thread; | |
3978 | break; | |
3979 | } | |
c0fd7846 TG |
3980 | else if (mdata->commands[i].type == BFD_MACH_O_LC_MAIN |
3981 | && mdata->nsects > 1) | |
3982 | { | |
3983 | bfd_mach_o_main_command *main_cmd = &mdata->commands[i].command.main; | |
3984 | bfd_mach_o_section *text_sect = mdata->sections[0]; | |
3985 | if (text_sect) | |
3986 | { | |
3987 | abfd->start_address = main_cmd->entryoff | |
3988 | + (text_sect->addr - text_sect->offset); | |
3989 | return TRUE; | |
3990 | } | |
3991 | } | |
3af9a47b | 3992 | |
5ee43bc4 | 3993 | /* An object file has no start address, so do not fail if not found. */ |
3af9a47b | 3994 | if (cmd == NULL) |
5ee43bc4 | 3995 | return TRUE; |
3af9a47b | 3996 | |
afbb9e17 | 3997 | /* FIXME: create a subtarget hook ? */ |
3af9a47b NC |
3998 | for (i = 0; i < cmd->nflavours; i++) |
3999 | { | |
a95a4550 | 4000 | if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_I386) |
e84d6fca | 4001 | && (cmd->flavours[i].flavour |
15e1c58a | 4002 | == (unsigned long) BFD_MACH_O_x86_THREAD_STATE32)) |
3af9a47b NC |
4003 | { |
4004 | unsigned char buf[4]; | |
4005 | ||
c2f09c75 TG |
4006 | if (bfd_seek (abfd, cmd->flavours[i].offset + 40, SEEK_SET) != 0 |
4007 | || bfd_bread (buf, 4, abfd) != 4) | |
afbb9e17 | 4008 | return FALSE; |
3af9a47b NC |
4009 | |
4010 | abfd->start_address = bfd_h_get_32 (abfd, buf); | |
4011 | } | |
a95a4550 | 4012 | else if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_POWERPC) |
3af9a47b NC |
4013 | && (cmd->flavours[i].flavour == BFD_MACH_O_PPC_THREAD_STATE)) |
4014 | { | |
4015 | unsigned char buf[4]; | |
4016 | ||
c2f09c75 TG |
4017 | if (bfd_seek (abfd, cmd->flavours[i].offset + 0, SEEK_SET) != 0 |
4018 | || bfd_bread (buf, 4, abfd) != 4) | |
afbb9e17 | 4019 | return FALSE; |
3af9a47b NC |
4020 | |
4021 | abfd->start_address = bfd_h_get_32 (abfd, buf); | |
4022 | } | |
1e8a024a | 4023 | else if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_POWERPC_64) |
b32e07d7 | 4024 | && (cmd->flavours[i].flavour == BFD_MACH_O_PPC_THREAD_STATE64)) |
1e8a024a TG |
4025 | { |
4026 | unsigned char buf[8]; | |
4027 | ||
c2f09c75 TG |
4028 | if (bfd_seek (abfd, cmd->flavours[i].offset + 0, SEEK_SET) != 0 |
4029 | || bfd_bread (buf, 8, abfd) != 8) | |
afbb9e17 | 4030 | return FALSE; |
1e8a024a TG |
4031 | |
4032 | abfd->start_address = bfd_h_get_64 (abfd, buf); | |
4033 | } | |
4034 | else if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_X86_64) | |
4035 | && (cmd->flavours[i].flavour == BFD_MACH_O_x86_THREAD_STATE64)) | |
4036 | { | |
4037 | unsigned char buf[8]; | |
4038 | ||
c2f09c75 TG |
4039 | if (bfd_seek (abfd, cmd->flavours[i].offset + (16 * 8), SEEK_SET) != 0 |
4040 | || bfd_bread (buf, 8, abfd) != 8) | |
afbb9e17 | 4041 | return FALSE; |
1e8a024a TG |
4042 | |
4043 | abfd->start_address = bfd_h_get_64 (abfd, buf); | |
4044 | } | |
3af9a47b NC |
4045 | } |
4046 | ||
afbb9e17 | 4047 | return TRUE; |
3af9a47b NC |
4048 | } |
4049 | ||
42fa0891 TG |
4050 | bfd_boolean |
4051 | bfd_mach_o_set_arch_mach (bfd *abfd, | |
4052 | enum bfd_architecture arch, | |
4053 | unsigned long machine) | |
4054 | { | |
4055 | bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd); | |
4056 | ||
4057 | /* If this isn't the right architecture for this backend, and this | |
4058 | isn't the generic backend, fail. */ | |
4059 | if (arch != bed->arch | |
4060 | && arch != bfd_arch_unknown | |
4061 | && bed->arch != bfd_arch_unknown) | |
4062 | return FALSE; | |
4063 | ||
4064 | return bfd_default_set_arch_mach (abfd, arch, machine); | |
4065 | } | |
4066 | ||
afbb9e17 | 4067 | static bfd_boolean |
116c20d2 NC |
4068 | bfd_mach_o_scan (bfd *abfd, |
4069 | bfd_mach_o_header *header, | |
4070 | bfd_mach_o_data_struct *mdata) | |
3af9a47b NC |
4071 | { |
4072 | unsigned int i; | |
3af9a47b NC |
4073 | enum bfd_architecture cputype; |
4074 | unsigned long cpusubtype; | |
1e8a024a TG |
4075 | unsigned int hdrsize; |
4076 | ||
c2f09c75 | 4077 | hdrsize = mach_o_wide_p (header) ? |
154a1ee5 | 4078 | BFD_MACH_O_HEADER_64_SIZE : BFD_MACH_O_HEADER_SIZE; |
3af9a47b | 4079 | |
3af9a47b | 4080 | mdata->header = *header; |
3af9a47b | 4081 | |
154a1ee5 | 4082 | abfd->flags = abfd->flags & BFD_IN_MEMORY; |
15e1c58a TG |
4083 | switch (header->filetype) |
4084 | { | |
4085 | case BFD_MACH_O_MH_OBJECT: | |
4086 | abfd->flags |= HAS_RELOC; | |
4087 | break; | |
4088 | case BFD_MACH_O_MH_EXECUTE: | |
4089 | abfd->flags |= EXEC_P; | |
4090 | break; | |
4091 | case BFD_MACH_O_MH_DYLIB: | |
4092 | case BFD_MACH_O_MH_BUNDLE: | |
4093 | abfd->flags |= DYNAMIC; | |
4094 | break; | |
4095 | } | |
4096 | ||
3af9a47b NC |
4097 | abfd->tdata.mach_o_data = mdata; |
4098 | ||
e84d6fca AM |
4099 | bfd_mach_o_convert_architecture (header->cputype, header->cpusubtype, |
4100 | &cputype, &cpusubtype); | |
3af9a47b NC |
4101 | if (cputype == bfd_arch_unknown) |
4102 | { | |
afbb9e17 TG |
4103 | (*_bfd_error_handler) |
4104 | (_("bfd_mach_o_scan: unknown architecture 0x%lx/0x%lx"), | |
4105 | header->cputype, header->cpusubtype); | |
4106 | return FALSE; | |
3af9a47b NC |
4107 | } |
4108 | ||
4109 | bfd_set_arch_mach (abfd, cputype, cpusubtype); | |
a95a4550 | 4110 | |
3af9a47b NC |
4111 | if (header->ncmds != 0) |
4112 | { | |
046b007d TG |
4113 | mdata->commands = bfd_alloc |
4114 | (abfd, header->ncmds * sizeof (bfd_mach_o_load_command)); | |
3af9a47b | 4115 | if (mdata->commands == NULL) |
afbb9e17 | 4116 | return FALSE; |
a95a4550 | 4117 | |
3af9a47b NC |
4118 | for (i = 0; i < header->ncmds; i++) |
4119 | { | |
4120 | bfd_mach_o_load_command *cur = &mdata->commands[i]; | |
4121 | ||
4122 | if (i == 0) | |
1e8a024a | 4123 | cur->offset = hdrsize; |
3af9a47b NC |
4124 | else |
4125 | { | |
4126 | bfd_mach_o_load_command *prev = &mdata->commands[i - 1]; | |
4127 | cur->offset = prev->offset + prev->len; | |
4128 | } | |
4129 | ||
ab273af8 | 4130 | if (bfd_mach_o_read_command (abfd, cur) < 0) |
afbb9e17 | 4131 | return FALSE; |
a95a4550 | 4132 | } |
3af9a47b NC |
4133 | } |
4134 | ||
c0fd7846 TG |
4135 | /* Sections should be flatten before scanning start address. */ |
4136 | bfd_mach_o_flatten_sections (abfd); | |
4137 | if (!bfd_mach_o_scan_start_address (abfd)) | |
afbb9e17 | 4138 | return FALSE; |
3af9a47b | 4139 | |
afbb9e17 | 4140 | return TRUE; |
3af9a47b NC |
4141 | } |
4142 | ||
b34976b6 | 4143 | bfd_boolean |
154a1ee5 | 4144 | bfd_mach_o_mkobject_init (bfd *abfd) |
3af9a47b NC |
4145 | { |
4146 | bfd_mach_o_data_struct *mdata = NULL; | |
4147 | ||
116c20d2 | 4148 | mdata = bfd_alloc (abfd, sizeof (bfd_mach_o_data_struct)); |
3af9a47b | 4149 | if (mdata == NULL) |
b34976b6 | 4150 | return FALSE; |
3af9a47b NC |
4151 | abfd->tdata.mach_o_data = mdata; |
4152 | ||
4153 | mdata->header.magic = 0; | |
4154 | mdata->header.cputype = 0; | |
4155 | mdata->header.cpusubtype = 0; | |
4156 | mdata->header.filetype = 0; | |
4157 | mdata->header.ncmds = 0; | |
4158 | mdata->header.sizeofcmds = 0; | |
4159 | mdata->header.flags = 0; | |
4160 | mdata->header.byteorder = BFD_ENDIAN_UNKNOWN; | |
4161 | mdata->commands = NULL; | |
3af9a47b NC |
4162 | mdata->nsects = 0; |
4163 | mdata->sections = NULL; | |
4434114c | 4164 | mdata->dyn_reloc_cache = NULL; |
3af9a47b | 4165 | |
b34976b6 | 4166 | return TRUE; |
3af9a47b NC |
4167 | } |
4168 | ||
42fa0891 TG |
4169 | static bfd_boolean |
4170 | bfd_mach_o_gen_mkobject (bfd *abfd) | |
4171 | { | |
4172 | bfd_mach_o_data_struct *mdata; | |
4173 | ||
4174 | if (!bfd_mach_o_mkobject_init (abfd)) | |
4175 | return FALSE; | |
4176 | ||
4177 | mdata = bfd_mach_o_get_data (abfd); | |
4178 | mdata->header.magic = BFD_MACH_O_MH_MAGIC; | |
4179 | mdata->header.cputype = 0; | |
4180 | mdata->header.cpusubtype = 0; | |
4181 | mdata->header.byteorder = abfd->xvec->byteorder; | |
4182 | mdata->header.version = 1; | |
4183 | ||
4184 | return TRUE; | |
4185 | } | |
4186 | ||
3af9a47b | 4187 | const bfd_target * |
154a1ee5 TG |
4188 | bfd_mach_o_header_p (bfd *abfd, |
4189 | bfd_mach_o_filetype filetype, | |
4190 | bfd_mach_o_cpu_type cputype) | |
3af9a47b NC |
4191 | { |
4192 | bfd_mach_o_header header; | |
c9ba0c87 | 4193 | bfd_mach_o_data_struct *mdata; |
3af9a47b | 4194 | |
154a1ee5 | 4195 | if (!bfd_mach_o_read_header (abfd, &header)) |
e84d6fca | 4196 | goto wrong; |
3af9a47b | 4197 | |
e84d6fca AM |
4198 | if (! (header.byteorder == BFD_ENDIAN_BIG |
4199 | || header.byteorder == BFD_ENDIAN_LITTLE)) | |
3af9a47b | 4200 | { |
4a97a0e5 AM |
4201 | (*_bfd_error_handler) (_("unknown header byte-order value 0x%lx"), |
4202 | (unsigned long) header.byteorder); | |
e84d6fca | 4203 | goto wrong; |
3af9a47b NC |
4204 | } |
4205 | ||
e84d6fca AM |
4206 | if (! ((header.byteorder == BFD_ENDIAN_BIG |
4207 | && abfd->xvec->byteorder == BFD_ENDIAN_BIG | |
4208 | && abfd->xvec->header_byteorder == BFD_ENDIAN_BIG) | |
4209 | || (header.byteorder == BFD_ENDIAN_LITTLE | |
4210 | && abfd->xvec->byteorder == BFD_ENDIAN_LITTLE | |
4211 | && abfd->xvec->header_byteorder == BFD_ENDIAN_LITTLE))) | |
4212 | goto wrong; | |
3af9a47b | 4213 | |
154a1ee5 TG |
4214 | /* Check cputype and filetype. |
4215 | In case of wildcard, do not accept magics that are handled by existing | |
4216 | targets. */ | |
4217 | if (cputype) | |
4218 | { | |
4219 | if (header.cputype != cputype) | |
4220 | goto wrong; | |
4221 | } | |
b22161d6 | 4222 | |
154a1ee5 TG |
4223 | if (filetype) |
4224 | { | |
4225 | if (header.filetype != filetype) | |
4226 | goto wrong; | |
4227 | } | |
4228 | else | |
4229 | { | |
4230 | switch (header.filetype) | |
4231 | { | |
4232 | case BFD_MACH_O_MH_CORE: | |
4233 | /* Handled by core_p */ | |
4234 | goto wrong; | |
4235 | default: | |
4236 | break; | |
4237 | } | |
4238 | } | |
4239 | ||
c9ba0c87 AM |
4240 | mdata = (bfd_mach_o_data_struct *) bfd_zalloc (abfd, sizeof (*mdata)); |
4241 | if (mdata == NULL) | |
e84d6fca | 4242 | goto fail; |
3af9a47b | 4243 | |
c9ba0c87 | 4244 | if (!bfd_mach_o_scan (abfd, &header, mdata)) |
e84d6fca | 4245 | goto wrong; |
a95a4550 | 4246 | |
3af9a47b | 4247 | return abfd->xvec; |
e84d6fca AM |
4248 | |
4249 | wrong: | |
4250 | bfd_set_error (bfd_error_wrong_format); | |
4251 | ||
4252 | fail: | |
e84d6fca | 4253 | return NULL; |
3af9a47b NC |
4254 | } |
4255 | ||
154a1ee5 TG |
4256 | static const bfd_target * |
4257 | bfd_mach_o_gen_object_p (bfd *abfd) | |
3af9a47b | 4258 | { |
154a1ee5 TG |
4259 | return bfd_mach_o_header_p (abfd, 0, 0); |
4260 | } | |
e84d6fca | 4261 | |
154a1ee5 TG |
4262 | static const bfd_target * |
4263 | bfd_mach_o_gen_core_p (bfd *abfd) | |
4264 | { | |
4265 | return bfd_mach_o_header_p (abfd, BFD_MACH_O_MH_CORE, 0); | |
3af9a47b NC |
4266 | } |
4267 | ||
4268 | typedef struct mach_o_fat_archentry | |
4269 | { | |
4270 | unsigned long cputype; | |
4271 | unsigned long cpusubtype; | |
4272 | unsigned long offset; | |
4273 | unsigned long size; | |
4274 | unsigned long align; | |
3af9a47b NC |
4275 | } mach_o_fat_archentry; |
4276 | ||
4277 | typedef struct mach_o_fat_data_struct | |
4278 | { | |
4279 | unsigned long magic; | |
4280 | unsigned long nfat_arch; | |
4281 | mach_o_fat_archentry *archentries; | |
4282 | } mach_o_fat_data_struct; | |
4283 | ||
4284 | const bfd_target * | |
116c20d2 | 4285 | bfd_mach_o_archive_p (bfd *abfd) |
3af9a47b | 4286 | { |
e84d6fca | 4287 | mach_o_fat_data_struct *adata = NULL; |
46d1c23b | 4288 | struct mach_o_fat_header_external hdr; |
3af9a47b NC |
4289 | unsigned long i; |
4290 | ||
c2f09c75 | 4291 | if (bfd_seek (abfd, 0, SEEK_SET) != 0 |
46d1c23b | 4292 | || bfd_bread (&hdr, sizeof (hdr), abfd) != sizeof (hdr)) |
e84d6fca | 4293 | goto error; |
3af9a47b | 4294 | |
116c20d2 | 4295 | adata = bfd_alloc (abfd, sizeof (mach_o_fat_data_struct)); |
3af9a47b | 4296 | if (adata == NULL) |
e84d6fca | 4297 | goto error; |
a95a4550 | 4298 | |
46d1c23b TG |
4299 | adata->magic = bfd_getb32 (hdr.magic); |
4300 | adata->nfat_arch = bfd_getb32 (hdr.nfat_arch); | |
3af9a47b | 4301 | if (adata->magic != 0xcafebabe) |
e84d6fca | 4302 | goto error; |
27cc28f9 AS |
4303 | /* Avoid matching Java bytecode files, which have the same magic number. |
4304 | In the Java bytecode file format this field contains the JVM version, | |
4305 | which starts at 43.0. */ | |
4306 | if (adata->nfat_arch > 30) | |
4307 | goto error; | |
3af9a47b | 4308 | |
c2f09c75 | 4309 | adata->archentries = |
3af9a47b NC |
4310 | bfd_alloc (abfd, adata->nfat_arch * sizeof (mach_o_fat_archentry)); |
4311 | if (adata->archentries == NULL) | |
e84d6fca | 4312 | goto error; |
3af9a47b NC |
4313 | |
4314 | for (i = 0; i < adata->nfat_arch; i++) | |
4315 | { | |
46d1c23b TG |
4316 | struct mach_o_fat_arch_external arch; |
4317 | if (bfd_bread (&arch, sizeof (arch), abfd) != sizeof (arch)) | |
e84d6fca | 4318 | goto error; |
46d1c23b TG |
4319 | adata->archentries[i].cputype = bfd_getb32 (arch.cputype); |
4320 | adata->archentries[i].cpusubtype = bfd_getb32 (arch.cpusubtype); | |
4321 | adata->archentries[i].offset = bfd_getb32 (arch.offset); | |
4322 | adata->archentries[i].size = bfd_getb32 (arch.size); | |
4323 | adata->archentries[i].align = bfd_getb32 (arch.align); | |
3af9a47b NC |
4324 | } |
4325 | ||
4326 | abfd->tdata.mach_o_fat_data = adata; | |
4327 | return abfd->xvec; | |
e84d6fca AM |
4328 | |
4329 | error: | |
4330 | if (adata != NULL) | |
4331 | bfd_release (abfd, adata); | |
4332 | bfd_set_error (bfd_error_wrong_format); | |
4333 | return NULL; | |
3af9a47b NC |
4334 | } |
4335 | ||
a4e241ca TG |
4336 | /* Set the filename for a fat binary member ABFD, whose bfd architecture is |
4337 | ARCH_TYPE/ARCH_SUBTYPE and corresponding entry in header is ENTRY. | |
4338 | Set arelt_data and origin fields too. */ | |
4339 | ||
4340 | static void | |
4341 | bfd_mach_o_fat_member_init (bfd *abfd, | |
4342 | enum bfd_architecture arch_type, | |
4343 | unsigned long arch_subtype, | |
4344 | mach_o_fat_archentry *entry) | |
4345 | { | |
4346 | struct areltdata *areltdata; | |
4347 | /* Create the member filename. Use ARCH_NAME. */ | |
4348 | const bfd_arch_info_type *ap = bfd_lookup_arch (arch_type, arch_subtype); | |
4349 | ||
4350 | if (ap) | |
4351 | { | |
4352 | /* Use the architecture name if known. */ | |
4353 | abfd->filename = ap->printable_name; | |
4354 | } | |
4355 | else | |
4356 | { | |
4357 | /* Forge a uniq id. */ | |
4358 | const size_t namelen = 2 + 8 + 1 + 2 + 8 + 1; | |
4359 | char *name = bfd_alloc (abfd, namelen); | |
4360 | snprintf (name, namelen, "0x%lx-0x%lx", | |
4361 | entry->cputype, entry->cpusubtype); | |
4362 | abfd->filename = name; | |
4363 | } | |
4364 | ||
06e7acd7 | 4365 | areltdata = bfd_zmalloc (sizeof (struct areltdata)); |
a4e241ca TG |
4366 | areltdata->parsed_size = entry->size; |
4367 | abfd->arelt_data = areltdata; | |
4368 | abfd->iostream = NULL; | |
4369 | abfd->origin = entry->offset; | |
4370 | } | |
4371 | ||
3af9a47b | 4372 | bfd * |
116c20d2 | 4373 | bfd_mach_o_openr_next_archived_file (bfd *archive, bfd *prev) |
3af9a47b | 4374 | { |
e84d6fca | 4375 | mach_o_fat_data_struct *adata; |
3af9a47b NC |
4376 | mach_o_fat_archentry *entry = NULL; |
4377 | unsigned long i; | |
15e1c58a | 4378 | bfd *nbfd; |
15e1c58a TG |
4379 | enum bfd_architecture arch_type; |
4380 | unsigned long arch_subtype; | |
3af9a47b | 4381 | |
e84d6fca | 4382 | adata = (mach_o_fat_data_struct *) archive->tdata.mach_o_fat_data; |
3af9a47b NC |
4383 | BFD_ASSERT (adata != NULL); |
4384 | ||
4385 | /* Find index of previous entry. */ | |
4386 | if (prev == NULL) | |
a4e241ca TG |
4387 | { |
4388 | /* Start at first one. */ | |
4389 | i = 0; | |
4390 | } | |
3af9a47b NC |
4391 | else |
4392 | { | |
a4e241ca | 4393 | /* Find index of PREV. */ |
3af9a47b NC |
4394 | for (i = 0; i < adata->nfat_arch; i++) |
4395 | { | |
15e1c58a | 4396 | if (adata->archentries[i].offset == prev->origin) |
3af9a47b NC |
4397 | break; |
4398 | } | |
4399 | ||
4400 | if (i == adata->nfat_arch) | |
4401 | { | |
4402 | /* Not found. */ | |
4403 | bfd_set_error (bfd_error_bad_value); | |
a95a4550 | 4404 | return NULL; |
3af9a47b | 4405 | } |
a4e241ca TG |
4406 | |
4407 | /* Get next entry. */ | |
4408 | i++; | |
4409 | } | |
a95a4550 | 4410 | |
3af9a47b NC |
4411 | if (i >= adata->nfat_arch) |
4412 | { | |
4413 | bfd_set_error (bfd_error_no_more_archived_files); | |
4414 | return NULL; | |
4415 | } | |
4416 | ||
4417 | entry = &adata->archentries[i]; | |
15e1c58a TG |
4418 | nbfd = _bfd_new_bfd_contained_in (archive); |
4419 | if (nbfd == NULL) | |
4420 | return NULL; | |
4421 | ||
15e1c58a TG |
4422 | bfd_mach_o_convert_architecture (entry->cputype, entry->cpusubtype, |
4423 | &arch_type, &arch_subtype); | |
846b9259 | 4424 | |
a4e241ca TG |
4425 | bfd_mach_o_fat_member_init (nbfd, arch_type, arch_subtype, entry); |
4426 | ||
846b9259 | 4427 | bfd_set_arch_mach (nbfd, arch_type, arch_subtype); |
3af9a47b | 4428 | |
15e1c58a | 4429 | return nbfd; |
3af9a47b NC |
4430 | } |
4431 | ||
15bbba8d TG |
4432 | /* Analogous to stat call. */ |
4433 | ||
4434 | static int | |
4435 | bfd_mach_o_fat_stat_arch_elt (bfd *abfd, struct stat *buf) | |
4436 | { | |
4437 | if (abfd->arelt_data == NULL) | |
4438 | { | |
4439 | bfd_set_error (bfd_error_invalid_operation); | |
4440 | return -1; | |
4441 | } | |
4442 | ||
4443 | buf->st_mtime = 0; | |
4444 | buf->st_uid = 0; | |
4445 | buf->st_gid = 0; | |
4446 | buf->st_mode = 0644; | |
4447 | buf->st_size = arelt_size (abfd); | |
4448 | ||
4449 | return 0; | |
4450 | } | |
4451 | ||
846b9259 TG |
4452 | /* If ABFD format is FORMAT and architecture is ARCH, return it. |
4453 | If ABFD is a fat image containing a member that corresponds to FORMAT | |
4454 | and ARCH, returns it. | |
4455 | In other case, returns NULL. | |
4456 | This function allows transparent uses of fat images. */ | |
a4e241ca | 4457 | |
846b9259 TG |
4458 | bfd * |
4459 | bfd_mach_o_fat_extract (bfd *abfd, | |
4460 | bfd_format format, | |
4461 | const bfd_arch_info_type *arch) | |
4462 | { | |
4463 | bfd *res; | |
4464 | mach_o_fat_data_struct *adata; | |
4465 | unsigned int i; | |
4466 | ||
4467 | if (bfd_check_format (abfd, format)) | |
4468 | { | |
4469 | if (bfd_get_arch_info (abfd) == arch) | |
4470 | return abfd; | |
4471 | return NULL; | |
4472 | } | |
4473 | if (!bfd_check_format (abfd, bfd_archive) | |
4474 | || abfd->xvec != &mach_o_fat_vec) | |
4475 | return NULL; | |
c2f09c75 | 4476 | |
846b9259 TG |
4477 | /* This is a Mach-O fat image. */ |
4478 | adata = (mach_o_fat_data_struct *) abfd->tdata.mach_o_fat_data; | |
4479 | BFD_ASSERT (adata != NULL); | |
4480 | ||
4481 | for (i = 0; i < adata->nfat_arch; i++) | |
4482 | { | |
4483 | struct mach_o_fat_archentry *e = &adata->archentries[i]; | |
4484 | enum bfd_architecture cpu_type; | |
4485 | unsigned long cpu_subtype; | |
4486 | ||
4487 | bfd_mach_o_convert_architecture (e->cputype, e->cpusubtype, | |
4488 | &cpu_type, &cpu_subtype); | |
4489 | if (cpu_type != arch->arch || cpu_subtype != arch->mach) | |
4490 | continue; | |
4491 | ||
4492 | /* The architecture is found. */ | |
4493 | res = _bfd_new_bfd_contained_in (abfd); | |
4494 | if (res == NULL) | |
4495 | return NULL; | |
4496 | ||
a4e241ca | 4497 | bfd_mach_o_fat_member_init (res, cpu_type, cpu_subtype, e); |
846b9259 TG |
4498 | |
4499 | if (bfd_check_format (res, format)) | |
4500 | { | |
4501 | BFD_ASSERT (bfd_get_arch_info (res) == arch); | |
4502 | return res; | |
4503 | } | |
4504 | bfd_close (res); | |
4505 | return NULL; | |
4506 | } | |
4507 | ||
4508 | return NULL; | |
4509 | } | |
4510 | ||
3af9a47b | 4511 | int |
116c20d2 NC |
4512 | bfd_mach_o_lookup_command (bfd *abfd, |
4513 | bfd_mach_o_load_command_type type, | |
4514 | bfd_mach_o_load_command **mcommand) | |
3af9a47b | 4515 | { |
046b007d | 4516 | struct mach_o_data_struct *md = bfd_mach_o_get_data (abfd); |
3af9a47b NC |
4517 | bfd_mach_o_load_command *ncmd = NULL; |
4518 | unsigned int i, num; | |
4519 | ||
3af9a47b NC |
4520 | BFD_ASSERT (md != NULL); |
4521 | BFD_ASSERT (mcommand != NULL); | |
4522 | ||
4523 | num = 0; | |
4524 | for (i = 0; i < md->header.ncmds; i++) | |
4525 | { | |
4526 | struct bfd_mach_o_load_command *cmd = &md->commands[i]; | |
4527 | ||
4528 | if (cmd->type != type) | |
4529 | continue; | |
4530 | ||
4531 | if (num == 0) | |
4532 | ncmd = cmd; | |
4533 | num++; | |
4534 | } | |
4535 | ||
4536 | *mcommand = ncmd; | |
4537 | return num; | |
4538 | } | |
4539 | ||
4540 | unsigned long | |
116c20d2 | 4541 | bfd_mach_o_stack_addr (enum bfd_mach_o_cpu_type type) |
3af9a47b NC |
4542 | { |
4543 | switch (type) | |
4544 | { | |
4545 | case BFD_MACH_O_CPU_TYPE_MC680x0: | |
4546 | return 0x04000000; | |
4547 | case BFD_MACH_O_CPU_TYPE_MC88000: | |
4548 | return 0xffffe000; | |
4549 | case BFD_MACH_O_CPU_TYPE_POWERPC: | |
4550 | return 0xc0000000; | |
4551 | case BFD_MACH_O_CPU_TYPE_I386: | |
4552 | return 0xc0000000; | |
4553 | case BFD_MACH_O_CPU_TYPE_SPARC: | |
4554 | return 0xf0000000; | |
4555 | case BFD_MACH_O_CPU_TYPE_I860: | |
4556 | return 0; | |
4557 | case BFD_MACH_O_CPU_TYPE_HPPA: | |
e84d6fca | 4558 | return 0xc0000000 - 0x04000000; |
3af9a47b NC |
4559 | default: |
4560 | return 0; | |
4561 | } | |
4562 | } | |
4563 | ||
ab76eeaf IS |
4564 | /* The following two tables should be kept, as far as possible, in order of |
4565 | most frequently used entries to optimize their use from gas. */ | |
4566 | ||
c5012cd8 | 4567 | const bfd_mach_o_xlat_name bfd_mach_o_section_type_name[] = |
046b007d TG |
4568 | { |
4569 | { "regular", BFD_MACH_O_S_REGULAR}, | |
ab76eeaf | 4570 | { "coalesced", BFD_MACH_O_S_COALESCED}, |
046b007d TG |
4571 | { "zerofill", BFD_MACH_O_S_ZEROFILL}, |
4572 | { "cstring_literals", BFD_MACH_O_S_CSTRING_LITERALS}, | |
4573 | { "4byte_literals", BFD_MACH_O_S_4BYTE_LITERALS}, | |
4574 | { "8byte_literals", BFD_MACH_O_S_8BYTE_LITERALS}, | |
ab76eeaf | 4575 | { "16byte_literals", BFD_MACH_O_S_16BYTE_LITERALS}, |
046b007d | 4576 | { "literal_pointers", BFD_MACH_O_S_LITERAL_POINTERS}, |
046b007d TG |
4577 | { "mod_init_func_pointers", BFD_MACH_O_S_MOD_INIT_FUNC_POINTERS}, |
4578 | { "mod_fini_func_pointers", BFD_MACH_O_S_MOD_FINI_FUNC_POINTERS}, | |
046b007d TG |
4579 | { "gb_zerofill", BFD_MACH_O_S_GB_ZEROFILL}, |
4580 | { "interposing", BFD_MACH_O_S_INTERPOSING}, | |
046b007d | 4581 | { "dtrace_dof", BFD_MACH_O_S_DTRACE_DOF}, |
ab76eeaf IS |
4582 | { "non_lazy_symbol_pointers", BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS}, |
4583 | { "lazy_symbol_pointers", BFD_MACH_O_S_LAZY_SYMBOL_POINTERS}, | |
a4551119 | 4584 | { "symbol_stubs", BFD_MACH_O_S_SYMBOL_STUBS}, |
046b007d TG |
4585 | { "lazy_dylib_symbol_pointers", BFD_MACH_O_S_LAZY_DYLIB_SYMBOL_POINTERS}, |
4586 | { NULL, 0} | |
4587 | }; | |
4588 | ||
c5012cd8 | 4589 | const bfd_mach_o_xlat_name bfd_mach_o_section_attribute_name[] = |
046b007d | 4590 | { |
ab76eeaf IS |
4591 | { "pure_instructions", BFD_MACH_O_S_ATTR_PURE_INSTRUCTIONS }, |
4592 | { "some_instructions", BFD_MACH_O_S_ATTR_SOME_INSTRUCTIONS }, | |
046b007d TG |
4593 | { "loc_reloc", BFD_MACH_O_S_ATTR_LOC_RELOC }, |
4594 | { "ext_reloc", BFD_MACH_O_S_ATTR_EXT_RELOC }, | |
046b007d | 4595 | { "debug", BFD_MACH_O_S_ATTR_DEBUG }, |
046b007d TG |
4596 | { "live_support", BFD_MACH_O_S_ATTR_LIVE_SUPPORT }, |
4597 | { "no_dead_strip", BFD_MACH_O_S_ATTR_NO_DEAD_STRIP }, | |
4598 | { "strip_static_syms", BFD_MACH_O_S_ATTR_STRIP_STATIC_SYMS }, | |
4599 | { "no_toc", BFD_MACH_O_S_ATTR_NO_TOC }, | |
a4551119 | 4600 | { "self_modifying_code", BFD_MACH_O_S_SELF_MODIFYING_CODE }, |
ab76eeaf | 4601 | { "modifying_code", BFD_MACH_O_S_SELF_MODIFYING_CODE }, |
046b007d TG |
4602 | { NULL, 0} |
4603 | }; | |
4604 | ||
a4551119 | 4605 | /* Get the section type from NAME. Return 256 if NAME is unknown. */ |
53d58d96 TG |
4606 | |
4607 | unsigned int | |
ab76eeaf | 4608 | bfd_mach_o_get_section_type_from_name (bfd *abfd, const char *name) |
53d58d96 | 4609 | { |
afbb9e17 | 4610 | const bfd_mach_o_xlat_name *x; |
ab76eeaf | 4611 | bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd); |
53d58d96 TG |
4612 | |
4613 | for (x = bfd_mach_o_section_type_name; x->name; x++) | |
4614 | if (strcmp (x->name, name) == 0) | |
ab76eeaf IS |
4615 | { |
4616 | /* We found it... does the target support it? */ | |
4617 | if (bed->bfd_mach_o_section_type_valid_for_target == NULL | |
4618 | || bed->bfd_mach_o_section_type_valid_for_target (x->val)) | |
4619 | return x->val; /* OK. */ | |
4620 | else | |
4621 | break; /* Not supported. */ | |
4622 | } | |
a4551119 TG |
4623 | /* Maximum section ID = 0xff. */ |
4624 | return 256; | |
53d58d96 TG |
4625 | } |
4626 | ||
4627 | /* Get the section attribute from NAME. Return -1 if NAME is unknown. */ | |
4628 | ||
4629 | unsigned int | |
4630 | bfd_mach_o_get_section_attribute_from_name (const char *name) | |
4631 | { | |
afbb9e17 | 4632 | const bfd_mach_o_xlat_name *x; |
53d58d96 TG |
4633 | |
4634 | for (x = bfd_mach_o_section_attribute_name; x->name; x++) | |
4635 | if (strcmp (x->name, name) == 0) | |
4636 | return x->val; | |
4637 | return (unsigned int)-1; | |
4638 | } | |
4639 | ||
3af9a47b | 4640 | int |
116c20d2 NC |
4641 | bfd_mach_o_core_fetch_environment (bfd *abfd, |
4642 | unsigned char **rbuf, | |
4643 | unsigned int *rlen) | |
3af9a47b | 4644 | { |
046b007d | 4645 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
3af9a47b NC |
4646 | unsigned long stackaddr = bfd_mach_o_stack_addr (mdata->header.cputype); |
4647 | unsigned int i = 0; | |
4648 | ||
4649 | for (i = 0; i < mdata->header.ncmds; i++) | |
4650 | { | |
4651 | bfd_mach_o_load_command *cur = &mdata->commands[i]; | |
4652 | bfd_mach_o_segment_command *seg = NULL; | |
4653 | ||
4654 | if (cur->type != BFD_MACH_O_LC_SEGMENT) | |
4655 | continue; | |
4656 | ||
4657 | seg = &cur->command.segment; | |
4658 | ||
4659 | if ((seg->vmaddr + seg->vmsize) == stackaddr) | |
4660 | { | |
4661 | unsigned long start = seg->fileoff; | |
4662 | unsigned long end = seg->fileoff + seg->filesize; | |
4663 | unsigned char *buf = bfd_malloc (1024); | |
4664 | unsigned long size = 1024; | |
4665 | ||
4666 | for (;;) | |
4667 | { | |
4668 | bfd_size_type nread = 0; | |
4669 | unsigned long offset; | |
4670 | int found_nonnull = 0; | |
4671 | ||
4672 | if (size > (end - start)) | |
4673 | size = (end - start); | |
4674 | ||
515ef31d NC |
4675 | buf = bfd_realloc_or_free (buf, size); |
4676 | if (buf == NULL) | |
4677 | return -1; | |
c2f09c75 TG |
4678 | |
4679 | if (bfd_seek (abfd, end - size, SEEK_SET) != 0) | |
4680 | { | |
4681 | free (buf); | |
4682 | return -1; | |
4683 | } | |
4684 | ||
3af9a47b | 4685 | nread = bfd_bread (buf, size, abfd); |
a95a4550 | 4686 | |
3af9a47b | 4687 | if (nread != size) |
515ef31d NC |
4688 | { |
4689 | free (buf); | |
4690 | return -1; | |
4691 | } | |
a95a4550 | 4692 | |
3af9a47b NC |
4693 | for (offset = 4; offset <= size; offset += 4) |
4694 | { | |
e84d6fca | 4695 | unsigned long val; |
3af9a47b | 4696 | |
e84d6fca | 4697 | val = *((unsigned long *) (buf + size - offset)); |
3af9a47b NC |
4698 | if (! found_nonnull) |
4699 | { | |
4700 | if (val != 0) | |
4701 | found_nonnull = 1; | |
4702 | } | |
4703 | else if (val == 0x0) | |
4704 | { | |
e84d6fca AM |
4705 | unsigned long bottom; |
4706 | unsigned long top; | |
3af9a47b | 4707 | |
e84d6fca AM |
4708 | bottom = seg->fileoff + seg->filesize - offset; |
4709 | top = seg->fileoff + seg->filesize - 4; | |
3af9a47b NC |
4710 | *rbuf = bfd_malloc (top - bottom); |
4711 | *rlen = top - bottom; | |
4712 | ||
4713 | memcpy (*rbuf, buf + size - *rlen, *rlen); | |
515ef31d | 4714 | free (buf); |
3af9a47b NC |
4715 | return 0; |
4716 | } | |
4717 | } | |
4718 | ||
4719 | if (size == (end - start)) | |
4720 | break; | |
4721 | ||
4722 | size *= 2; | |
4723 | } | |
515ef31d NC |
4724 | |
4725 | free (buf); | |
3af9a47b NC |
4726 | } |
4727 | } | |
4728 | ||
4729 | return -1; | |
4730 | } | |
4731 | ||
4732 | char * | |
116c20d2 | 4733 | bfd_mach_o_core_file_failing_command (bfd *abfd) |
3af9a47b NC |
4734 | { |
4735 | unsigned char *buf = NULL; | |
4736 | unsigned int len = 0; | |
4737 | int ret = -1; | |
4738 | ||
4739 | ret = bfd_mach_o_core_fetch_environment (abfd, &buf, &len); | |
4740 | if (ret < 0) | |
4741 | return NULL; | |
4742 | ||
f075ee0c | 4743 | return (char *) buf; |
3af9a47b NC |
4744 | } |
4745 | ||
4746 | int | |
116c20d2 | 4747 | bfd_mach_o_core_file_failing_signal (bfd *abfd ATTRIBUTE_UNUSED) |
3af9a47b NC |
4748 | { |
4749 | return 0; | |
4750 | } | |
4751 | ||
2ca7691a TG |
4752 | static bfd_mach_o_uuid_command * |
4753 | bfd_mach_o_lookup_uuid_command (bfd *abfd) | |
4754 | { | |
4755 | bfd_mach_o_load_command *uuid_cmd; | |
4756 | int ncmd = bfd_mach_o_lookup_command (abfd, BFD_MACH_O_LC_UUID, &uuid_cmd); | |
4757 | if (ncmd != 1) | |
4758 | return FALSE; | |
4759 | return &uuid_cmd->command.uuid; | |
4760 | } | |
4761 | ||
4762 | /* Return true if ABFD is a dSYM file and its UUID matches UUID_CMD. */ | |
4763 | ||
4764 | static bfd_boolean | |
4765 | bfd_mach_o_dsym_for_uuid_p (bfd *abfd, const bfd_mach_o_uuid_command *uuid_cmd) | |
4766 | { | |
4767 | bfd_mach_o_uuid_command *dsym_uuid_cmd; | |
4768 | ||
4769 | BFD_ASSERT (abfd); | |
4770 | BFD_ASSERT (uuid_cmd); | |
4771 | ||
4772 | if (!bfd_check_format (abfd, bfd_object)) | |
4773 | return FALSE; | |
4774 | ||
4775 | if (bfd_get_flavour (abfd) != bfd_target_mach_o_flavour | |
4776 | || bfd_mach_o_get_data (abfd) == NULL | |
4777 | || bfd_mach_o_get_data (abfd)->header.filetype != BFD_MACH_O_MH_DSYM) | |
4778 | return FALSE; | |
4779 | ||
4780 | dsym_uuid_cmd = bfd_mach_o_lookup_uuid_command (abfd); | |
4781 | if (dsym_uuid_cmd == NULL) | |
4782 | return FALSE; | |
4783 | ||
4784 | if (memcmp (uuid_cmd->uuid, dsym_uuid_cmd->uuid, | |
4785 | sizeof (uuid_cmd->uuid)) != 0) | |
4786 | return FALSE; | |
4787 | ||
4788 | return TRUE; | |
4789 | } | |
4790 | ||
4791 | /* Find a BFD in DSYM_FILENAME which matches ARCH and UUID_CMD. | |
4792 | The caller is responsible for closing the returned BFD object and | |
4793 | its my_archive if the returned BFD is in a fat dSYM. */ | |
4794 | ||
4795 | static bfd * | |
4796 | bfd_mach_o_find_dsym (const char *dsym_filename, | |
4797 | const bfd_mach_o_uuid_command *uuid_cmd, | |
4798 | const bfd_arch_info_type *arch) | |
4799 | { | |
4800 | bfd *base_dsym_bfd, *dsym_bfd; | |
4801 | ||
4802 | BFD_ASSERT (uuid_cmd); | |
4803 | ||
4804 | base_dsym_bfd = bfd_openr (dsym_filename, NULL); | |
4805 | if (base_dsym_bfd == NULL) | |
4806 | return NULL; | |
4807 | ||
4808 | dsym_bfd = bfd_mach_o_fat_extract (base_dsym_bfd, bfd_object, arch); | |
4809 | if (bfd_mach_o_dsym_for_uuid_p (dsym_bfd, uuid_cmd)) | |
4810 | return dsym_bfd; | |
4811 | ||
4812 | bfd_close (dsym_bfd); | |
4813 | if (base_dsym_bfd != dsym_bfd) | |
4814 | bfd_close (base_dsym_bfd); | |
4815 | ||
4816 | return NULL; | |
4817 | } | |
4818 | ||
4819 | /* Return a BFD created from a dSYM file for ABFD. | |
4820 | The caller is responsible for closing the returned BFD object, its | |
4821 | filename, and its my_archive if the returned BFD is in a fat dSYM. */ | |
4822 | ||
4823 | static bfd * | |
4824 | bfd_mach_o_follow_dsym (bfd *abfd) | |
4825 | { | |
4826 | char *dsym_filename; | |
4827 | bfd_mach_o_uuid_command *uuid_cmd; | |
4828 | bfd *dsym_bfd, *base_bfd = abfd; | |
4829 | const char *base_basename; | |
4830 | ||
4831 | if (abfd == NULL || bfd_get_flavour (abfd) != bfd_target_mach_o_flavour) | |
4832 | return NULL; | |
4833 | ||
4834 | if (abfd->my_archive) | |
4835 | base_bfd = abfd->my_archive; | |
4836 | /* BFD may have been opened from a stream. */ | |
4837 | if (base_bfd->filename == NULL) | |
4838 | { | |
4839 | bfd_set_error (bfd_error_invalid_operation); | |
4840 | return NULL; | |
4841 | } | |
4842 | base_basename = lbasename (base_bfd->filename); | |
4843 | ||
4844 | uuid_cmd = bfd_mach_o_lookup_uuid_command (abfd); | |
4845 | if (uuid_cmd == NULL) | |
4846 | return NULL; | |
4847 | ||
4848 | /* TODO: We assume the DWARF file has the same as the binary's. | |
4849 | It seems apple's GDB checks all files in the dSYM bundle directory. | |
4850 | http://opensource.apple.com/source/gdb/gdb-1708/src/gdb/macosx/macosx-tdep.c | |
4851 | */ | |
4852 | dsym_filename = (char *)bfd_malloc (strlen (base_bfd->filename) | |
4853 | + strlen (dsym_subdir) + 1 | |
4854 | + strlen (base_basename) + 1); | |
4855 | sprintf (dsym_filename, "%s%s/%s", | |
4856 | base_bfd->filename, dsym_subdir, base_basename); | |
4857 | ||
4858 | dsym_bfd = bfd_mach_o_find_dsym (dsym_filename, uuid_cmd, | |
4859 | bfd_get_arch_info (abfd)); | |
4860 | if (dsym_bfd == NULL) | |
4861 | free (dsym_filename); | |
4862 | ||
4863 | return dsym_bfd; | |
4864 | } | |
4865 | ||
d9071b0c TG |
4866 | bfd_boolean |
4867 | bfd_mach_o_find_nearest_line (bfd *abfd, | |
4868 | asection *section, | |
4869 | asymbol **symbols, | |
4870 | bfd_vma offset, | |
4871 | const char **filename_ptr, | |
4872 | const char **functionname_ptr, | |
4873 | unsigned int *line_ptr) | |
4874 | { | |
4875 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
2ca7691a | 4876 | if (mdata == NULL) |
d9071b0c | 4877 | return FALSE; |
2ca7691a TG |
4878 | switch (mdata->header.filetype) |
4879 | { | |
4880 | case BFD_MACH_O_MH_OBJECT: | |
4881 | break; | |
4882 | case BFD_MACH_O_MH_EXECUTE: | |
4883 | case BFD_MACH_O_MH_DYLIB: | |
4884 | case BFD_MACH_O_MH_BUNDLE: | |
4885 | case BFD_MACH_O_MH_KEXT_BUNDLE: | |
4886 | if (mdata->dwarf2_find_line_info == NULL) | |
4887 | { | |
4888 | mdata->dsym_bfd = bfd_mach_o_follow_dsym (abfd); | |
4889 | /* When we couldn't find dSYM for this binary, we look for | |
4890 | the debug information in the binary itself. In this way, | |
4891 | we won't try finding separated dSYM again because | |
4892 | mdata->dwarf2_find_line_info will be filled. */ | |
4893 | if (! mdata->dsym_bfd) | |
4894 | break; | |
4895 | if (! _bfd_dwarf2_slurp_debug_info (abfd, mdata->dsym_bfd, | |
4896 | dwarf_debug_sections, symbols, | |
4897 | &mdata->dwarf2_find_line_info)) | |
4898 | return FALSE; | |
4899 | } | |
4900 | break; | |
4901 | default: | |
4902 | return FALSE; | |
4903 | } | |
d9071b0c TG |
4904 | if (_bfd_dwarf2_find_nearest_line (abfd, dwarf_debug_sections, |
4905 | section, symbols, offset, | |
4906 | filename_ptr, functionname_ptr, | |
9b8d1a36 | 4907 | line_ptr, NULL, 0, |
d9071b0c TG |
4908 | &mdata->dwarf2_find_line_info)) |
4909 | return TRUE; | |
4910 | return FALSE; | |
4911 | } | |
4912 | ||
4913 | bfd_boolean | |
4914 | bfd_mach_o_close_and_cleanup (bfd *abfd) | |
4915 | { | |
4916 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
4917 | if (bfd_get_format (abfd) == bfd_object && mdata != NULL) | |
4434114c TG |
4918 | { |
4919 | _bfd_dwarf2_cleanup_debug_info (abfd, &mdata->dwarf2_find_line_info); | |
4920 | bfd_mach_o_free_cached_info (abfd); | |
2ca7691a TG |
4921 | if (mdata->dsym_bfd != NULL) |
4922 | { | |
4923 | bfd *fat_bfd = mdata->dsym_bfd->my_archive; | |
4924 | char *dsym_filename = (char *)(fat_bfd | |
4925 | ? fat_bfd->filename | |
4926 | : mdata->dsym_bfd->filename); | |
4927 | bfd_close (mdata->dsym_bfd); | |
4928 | mdata->dsym_bfd = NULL; | |
4929 | if (fat_bfd) | |
4930 | bfd_close (fat_bfd); | |
4931 | free (dsym_filename); | |
4932 | } | |
4434114c | 4933 | } |
dff55db0 | 4934 | |
8c746b96 AM |
4935 | if (bfd_get_format (abfd) == bfd_archive |
4936 | && abfd->xvec == &mach_o_fat_vec) | |
4937 | return TRUE; | |
d9071b0c TG |
4938 | return _bfd_generic_close_and_cleanup (abfd); |
4939 | } | |
4940 | ||
dff55db0 TG |
4941 | bfd_boolean bfd_mach_o_free_cached_info (bfd *abfd) |
4942 | { | |
4943 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
4944 | asection *asect; | |
4945 | free (mdata->dyn_reloc_cache); | |
4946 | mdata->dyn_reloc_cache = NULL; | |
4947 | for (asect = abfd->sections; asect != NULL; asect = asect->next) | |
4948 | { | |
4949 | free (asect->relocation); | |
4950 | asect->relocation = NULL; | |
4951 | } | |
4952 | ||
4953 | return TRUE; | |
4954 | } | |
4955 | ||
68ffbac6 | 4956 | #define bfd_mach_o_bfd_reloc_type_lookup _bfd_norelocs_bfd_reloc_type_lookup |
92bc0e80 TG |
4957 | #define bfd_mach_o_bfd_reloc_name_lookup _bfd_norelocs_bfd_reloc_name_lookup |
4958 | ||
4959 | #define bfd_mach_o_swap_reloc_in NULL | |
4960 | #define bfd_mach_o_swap_reloc_out NULL | |
b32e07d7 | 4961 | #define bfd_mach_o_print_thread NULL |
a4551119 | 4962 | #define bfd_mach_o_tgt_seg_table NULL |
ab76eeaf | 4963 | #define bfd_mach_o_section_type_valid_for_tgt NULL |
92bc0e80 | 4964 | |
116c20d2 NC |
4965 | #define TARGET_NAME mach_o_be_vec |
4966 | #define TARGET_STRING "mach-o-be" | |
42fa0891 | 4967 | #define TARGET_ARCHITECTURE bfd_arch_unknown |
116c20d2 NC |
4968 | #define TARGET_BIG_ENDIAN 1 |
4969 | #define TARGET_ARCHIVE 0 | |
b93a1992 | 4970 | #define TARGET_PRIORITY 1 |
3af9a47b NC |
4971 | #include "mach-o-target.c" |
4972 | ||
4973 | #undef TARGET_NAME | |
4974 | #undef TARGET_STRING | |
42fa0891 | 4975 | #undef TARGET_ARCHITECTURE |
3af9a47b NC |
4976 | #undef TARGET_BIG_ENDIAN |
4977 | #undef TARGET_ARCHIVE | |
b93a1992 | 4978 | #undef TARGET_PRIORITY |
3af9a47b | 4979 | |
116c20d2 NC |
4980 | #define TARGET_NAME mach_o_le_vec |
4981 | #define TARGET_STRING "mach-o-le" | |
42fa0891 | 4982 | #define TARGET_ARCHITECTURE bfd_arch_unknown |
116c20d2 NC |
4983 | #define TARGET_BIG_ENDIAN 0 |
4984 | #define TARGET_ARCHIVE 0 | |
b93a1992 | 4985 | #define TARGET_PRIORITY 1 |
3af9a47b NC |
4986 | |
4987 | #include "mach-o-target.c" | |
4988 | ||
4989 | #undef TARGET_NAME | |
4990 | #undef TARGET_STRING | |
42fa0891 | 4991 | #undef TARGET_ARCHITECTURE |
3af9a47b NC |
4992 | #undef TARGET_BIG_ENDIAN |
4993 | #undef TARGET_ARCHIVE | |
b93a1992 | 4994 | #undef TARGET_PRIORITY |
3af9a47b | 4995 | |
8f95b6e4 TG |
4996 | /* Not yet handled: creating an archive. */ |
4997 | #define bfd_mach_o_mkarchive _bfd_noarchive_mkarchive | |
4998 | ||
4999 | /* Not used. */ | |
5000 | #define bfd_mach_o_read_ar_hdr _bfd_noarchive_read_ar_hdr | |
5001 | #define bfd_mach_o_write_ar_hdr _bfd_noarchive_write_ar_hdr | |
5002 | #define bfd_mach_o_slurp_armap _bfd_noarchive_slurp_armap | |
5003 | #define bfd_mach_o_slurp_extended_name_table _bfd_noarchive_slurp_extended_name_table | |
5004 | #define bfd_mach_o_construct_extended_name_table _bfd_noarchive_construct_extended_name_table | |
5005 | #define bfd_mach_o_truncate_arname _bfd_noarchive_truncate_arname | |
5006 | #define bfd_mach_o_write_armap _bfd_noarchive_write_armap | |
5007 | #define bfd_mach_o_get_elt_at_index _bfd_noarchive_get_elt_at_index | |
15bbba8d | 5008 | #define bfd_mach_o_generic_stat_arch_elt bfd_mach_o_fat_stat_arch_elt |
8f95b6e4 TG |
5009 | #define bfd_mach_o_update_armap_timestamp _bfd_noarchive_update_armap_timestamp |
5010 | ||
116c20d2 NC |
5011 | #define TARGET_NAME mach_o_fat_vec |
5012 | #define TARGET_STRING "mach-o-fat" | |
42fa0891 | 5013 | #define TARGET_ARCHITECTURE bfd_arch_unknown |
116c20d2 NC |
5014 | #define TARGET_BIG_ENDIAN 1 |
5015 | #define TARGET_ARCHIVE 1 | |
b93a1992 | 5016 | #define TARGET_PRIORITY 0 |
3af9a47b NC |
5017 | |
5018 | #include "mach-o-target.c" | |
5019 | ||
5020 | #undef TARGET_NAME | |
5021 | #undef TARGET_STRING | |
42fa0891 | 5022 | #undef TARGET_ARCHITECTURE |
3af9a47b NC |
5023 | #undef TARGET_BIG_ENDIAN |
5024 | #undef TARGET_ARCHIVE | |
b93a1992 | 5025 | #undef TARGET_PRIORITY |