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3af9a47b | 1 | /* Mach-O support for BFD. |
4b95cf5c | 2 | Copyright (C) 1999-2014 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}, | |
671a6cbe NC |
198 | { ".debug_gdb_scripts", "__debug_gdb_scri", |
199 | SEC_DEBUGGING, BFD_MACH_O_S_REGULAR, | |
200 | BFD_MACH_O_S_ATTR_DEBUG, 0}, | |
a4551119 | 201 | { NULL, NULL, 0, 0, 0, 0} |
154a1ee5 TG |
202 | }; |
203 | ||
a4551119 TG |
204 | /* __OBJC Segment. */ |
205 | static const mach_o_section_name_xlat objc_section_names_xlat[] = | |
206 | { | |
207 | { ".objc_class", "__class", | |
208 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
209 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
210 | { ".objc_meta_class", "__meta_class", | |
211 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
212 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
213 | { ".objc_cat_cls_meth", "__cat_cls_meth", | |
214 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
215 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
216 | { ".objc_cat_inst_meth", "__cat_inst_meth", | |
217 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
218 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
219 | { ".objc_protocol", "__protocol", | |
220 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
221 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
222 | { ".objc_string_object", "__string_object", | |
223 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
224 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
225 | { ".objc_cls_meth", "__cls_meth", | |
226 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
227 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
228 | { ".objc_inst_meth", "__inst_meth", | |
229 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
230 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
231 | { ".objc_cls_refs", "__cls_refs", | |
232 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_LITERAL_POINTERS, | |
233 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
234 | { ".objc_message_refs", "__message_refs", | |
235 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_LITERAL_POINTERS, | |
236 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
237 | { ".objc_symbols", "__symbols", | |
238 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
239 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
240 | { ".objc_category", "__category", | |
241 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
242 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
243 | { ".objc_class_vars", "__class_vars", | |
244 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
245 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
246 | { ".objc_instance_vars", "__instance_vars", | |
247 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
248 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
249 | { ".objc_module_info", "__module_info", | |
250 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
251 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
252 | { ".objc_selector_strs", "__selector_strs", | |
253 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_CSTRING_LITERALS, | |
254 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
255 | { ".objc_image_info", "__image_info", | |
256 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
257 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
258 | { ".objc_selector_fixup", "__sel_fixup", | |
259 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
260 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
261 | /* Objc V1 */ | |
262 | { ".objc1_class_ext", "__class_ext", | |
263 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
264 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
265 | { ".objc1_property_list", "__property", | |
266 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
267 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
268 | { ".objc1_protocol_ext", "__protocol_ext", | |
269 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
270 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
271 | { NULL, NULL, 0, 0, 0, 0} | |
272 | }; | |
5a5cbf72 | 273 | |
a4551119 | 274 | static const mach_o_segment_name_xlat segsec_names_xlat[] = |
154a1ee5 | 275 | { |
154a1ee5 TG |
276 | { "__TEXT", text_section_names_xlat }, |
277 | { "__DATA", data_section_names_xlat }, | |
5a5cbf72 | 278 | { "__DWARF", dwarf_section_names_xlat }, |
a4551119 | 279 | { "__OBJC", objc_section_names_xlat }, |
154a1ee5 TG |
280 | { NULL, NULL } |
281 | }; | |
282 | ||
2ca7691a TG |
283 | static const char dsym_subdir[] = ".dSYM/Contents/Resources/DWARF"; |
284 | ||
a4551119 TG |
285 | /* For both cases bfd-name => mach-o name and vice versa, the specific target |
286 | is checked before the generic. This allows a target (e.g. ppc for cstring) | |
287 | to override the generic definition with a more specific one. */ | |
154a1ee5 | 288 | |
a4551119 TG |
289 | /* Fetch the translation from a Mach-O section designation (segment, section) |
290 | as a bfd short name, if one exists. Otherwise return NULL. | |
68ffbac6 | 291 | |
a4551119 TG |
292 | Allow the segment and section names to be unterminated 16 byte arrays. */ |
293 | ||
294 | const mach_o_section_name_xlat * | |
295 | bfd_mach_o_section_data_for_mach_sect (bfd *abfd, const char *segname, | |
296 | const char *sectname) | |
154a1ee5 TG |
297 | { |
298 | const struct mach_o_segment_name_xlat *seg; | |
a4551119 TG |
299 | const mach_o_section_name_xlat *sec; |
300 | bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd); | |
154a1ee5 | 301 | |
a4551119 TG |
302 | /* First try any target-specific translations defined... */ |
303 | if (bed->segsec_names_xlat) | |
304 | for (seg = bed->segsec_names_xlat; seg->segname; seg++) | |
305 | if (strncmp (seg->segname, segname, BFD_MACH_O_SEGNAME_SIZE) == 0) | |
306 | for (sec = seg->sections; sec->mach_o_name; sec++) | |
307 | if (strncmp (sec->mach_o_name, sectname, | |
308 | BFD_MACH_O_SECTNAME_SIZE) == 0) | |
309 | return sec; | |
8462aec7 | 310 | |
a4551119 | 311 | /* ... and then the Mach-O generic ones. */ |
154a1ee5 | 312 | for (seg = segsec_names_xlat; seg->segname; seg++) |
a4551119 TG |
313 | if (strncmp (seg->segname, segname, BFD_MACH_O_SEGNAME_SIZE) == 0) |
314 | for (sec = seg->sections; sec->mach_o_name; sec++) | |
315 | if (strncmp (sec->mach_o_name, sectname, | |
316 | BFD_MACH_O_SECTNAME_SIZE) == 0) | |
317 | return sec; | |
154a1ee5 | 318 | |
68ffbac6 | 319 | return NULL; |
53d58d96 TG |
320 | } |
321 | ||
a4551119 | 322 | /* If the bfd_name for this section is a 'canonical' form for which we |
68ffbac6 | 323 | know the Mach-O data, return the segment name and the data for the |
a4551119 | 324 | Mach-O equivalent. Otherwise return NULL. */ |
7ba695a9 | 325 | |
a4551119 TG |
326 | const mach_o_section_name_xlat * |
327 | bfd_mach_o_section_data_for_bfd_name (bfd *abfd, const char *bfd_name, | |
328 | const char **segname) | |
53d58d96 | 329 | { |
a4551119 TG |
330 | const struct mach_o_segment_name_xlat *seg; |
331 | const mach_o_section_name_xlat *sec; | |
332 | bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd); | |
333 | *segname = NULL; | |
334 | ||
335 | if (bfd_name[0] != '.') | |
336 | return NULL; | |
337 | ||
338 | /* First try any target-specific translations defined... */ | |
339 | if (bed->segsec_names_xlat) | |
340 | for (seg = bed->segsec_names_xlat; seg->segname; seg++) | |
341 | for (sec = seg->sections; sec->bfd_name; sec++) | |
342 | if (strcmp (bfd_name, sec->bfd_name) == 0) | |
343 | { | |
344 | *segname = seg->segname; | |
345 | return sec; | |
346 | } | |
347 | ||
348 | /* ... and then the Mach-O generic ones. */ | |
349 | for (seg = segsec_names_xlat; seg->segname; seg++) | |
350 | for (sec = seg->sections; sec->bfd_name; sec++) | |
351 | if (strcmp (bfd_name, sec->bfd_name) == 0) | |
352 | { | |
353 | *segname = seg->segname; | |
354 | return sec; | |
355 | } | |
356 | ||
68ffbac6 | 357 | return NULL; |
a4551119 TG |
358 | } |
359 | ||
360 | /* Convert Mach-O section name to BFD. | |
361 | ||
68ffbac6 | 362 | Try to use standard/canonical names, for which we have tables including |
a4551119 TG |
363 | default flag settings - which are returned. Otherwise forge a new name |
364 | in the form "<segmentname>.<sectionname>" this will be prefixed with | |
365 | LC_SEGMENT. if the segment name does not begin with an underscore. | |
366 | ||
367 | SEGNAME and SECTNAME are 16 byte arrays (they do not need to be NUL- | |
368 | terminated if the name length is exactly 16 bytes - but must be if the name | |
369 | length is less than 16 characters). */ | |
370 | ||
371 | void | |
372 | bfd_mach_o_convert_section_name_to_bfd (bfd *abfd, const char *segname, | |
373 | const char *secname, const char **name, | |
374 | flagword *flags) | |
375 | { | |
376 | const mach_o_section_name_xlat *xlat; | |
53d58d96 TG |
377 | char *res; |
378 | unsigned int len; | |
379 | const char *pfx = ""; | |
380 | ||
a4551119 TG |
381 | *name = NULL; |
382 | *flags = SEC_NO_FLAGS; | |
53d58d96 | 383 | |
68ffbac6 | 384 | /* First search for a canonical name... |
a4551119 TG |
385 | xlat will be non-null if there is an entry for segname, secname. */ |
386 | xlat = bfd_mach_o_section_data_for_mach_sect (abfd, segname, secname); | |
387 | if (xlat) | |
388 | { | |
389 | len = strlen (xlat->bfd_name); | |
390 | res = bfd_alloc (abfd, len+1); | |
391 | if (res == NULL) | |
392 | return; | |
393 | memcpy (res, xlat->bfd_name, len+1); | |
394 | *name = res; | |
395 | *flags = xlat->bfd_flags; | |
396 | return; | |
397 | } | |
398 | ||
399 | /* ... else we make up a bfd name from the segment concatenated with the | |
400 | section. */ | |
154a1ee5 | 401 | |
7ba695a9 | 402 | len = 16 + 1 + 16 + 1; |
154a1ee5 | 403 | |
c2f09c75 TG |
404 | /* Put "LC_SEGMENT." prefix if the segment name is weird (ie doesn't start |
405 | with an underscore. */ | |
f1bde64c | 406 | if (segname[0] != '_') |
c2f09c75 TG |
407 | { |
408 | static const char seg_pfx[] = "LC_SEGMENT."; | |
409 | ||
410 | pfx = seg_pfx; | |
411 | len += sizeof (seg_pfx) - 1; | |
412 | } | |
413 | ||
154a1ee5 TG |
414 | res = bfd_alloc (abfd, len); |
415 | if (res == NULL) | |
8462aec7 | 416 | return; |
a4551119 | 417 | snprintf (res, len, "%s%.16s.%.16s", pfx, segname, secname); |
8462aec7 | 418 | *name = res; |
154a1ee5 TG |
419 | } |
420 | ||
a4551119 | 421 | /* Convert a bfd section name to a Mach-O segment + section name. |
154a1ee5 | 422 | |
a4551119 TG |
423 | If the name is a canonical one for which we have a Darwin match |
424 | return the translation table - which contains defaults for flags, | |
425 | type, attribute and default alignment data. | |
426 | ||
68ffbac6 | 427 | Otherwise, expand the bfd_name (assumed to be in the form |
a4551119 TG |
428 | "[LC_SEGMENT.]<segmentname>.<sectionname>") and return NULL. */ |
429 | ||
430 | static const mach_o_section_name_xlat * | |
154a1ee5 TG |
431 | bfd_mach_o_convert_section_name_to_mach_o (bfd *abfd ATTRIBUTE_UNUSED, |
432 | asection *sect, | |
433 | bfd_mach_o_section *section) | |
434 | { | |
a4551119 | 435 | const mach_o_section_name_xlat *xlat; |
154a1ee5 | 436 | const char *name = bfd_get_section_name (abfd, sect); |
a4551119 | 437 | const char *segname; |
154a1ee5 TG |
438 | const char *dot; |
439 | unsigned int len; | |
440 | unsigned int seglen; | |
441 | unsigned int seclen; | |
442 | ||
a4551119 TG |
443 | memset (section->segname, 0, BFD_MACH_O_SEGNAME_SIZE + 1); |
444 | memset (section->sectname, 0, BFD_MACH_O_SECTNAME_SIZE + 1); | |
445 | ||
446 | /* See if is a canonical name ... */ | |
447 | xlat = bfd_mach_o_section_data_for_bfd_name (abfd, name, &segname); | |
448 | if (xlat) | |
449 | { | |
450 | strcpy (section->segname, segname); | |
451 | strcpy (section->sectname, xlat->mach_o_name); | |
452 | return xlat; | |
453 | } | |
154a1ee5 | 454 | |
a4551119 TG |
455 | /* .. else we convert our constructed one back to Mach-O. |
456 | Strip LC_SEGMENT. prefix, if present. */ | |
154a1ee5 TG |
457 | if (strncmp (name, "LC_SEGMENT.", 11) == 0) |
458 | name += 11; | |
459 | ||
460 | /* Find a dot. */ | |
461 | dot = strchr (name, '.'); | |
462 | len = strlen (name); | |
463 | ||
464 | /* Try to split name into segment and section names. */ | |
465 | if (dot && dot != name) | |
466 | { | |
467 | seglen = dot - name; | |
468 | seclen = len - (dot + 1 - name); | |
469 | ||
470 | if (seglen < 16 && seclen < 16) | |
471 | { | |
472 | memcpy (section->segname, name, seglen); | |
473 | section->segname[seglen] = 0; | |
474 | memcpy (section->sectname, dot + 1, seclen); | |
475 | section->sectname[seclen] = 0; | |
a4551119 | 476 | return NULL; |
154a1ee5 TG |
477 | } |
478 | } | |
479 | ||
a4551119 TG |
480 | /* The segment and section names are both missing - don't make them |
481 | into dots. */ | |
482 | if (dot && dot == name) | |
483 | return NULL; | |
484 | ||
485 | /* Just duplicate the name into both segment and section. */ | |
154a1ee5 TG |
486 | if (len > 16) |
487 | len = 16; | |
488 | memcpy (section->segname, name, len); | |
489 | section->segname[len] = 0; | |
490 | memcpy (section->sectname, name, len); | |
491 | section->sectname[len] = 0; | |
a4551119 | 492 | return NULL; |
3af9a47b NC |
493 | } |
494 | ||
b2b62060 TG |
495 | /* Return the size of an entry for section SEC. |
496 | Must be called only for symbol pointer section and symbol stubs | |
497 | sections. */ | |
498 | ||
c5012cd8 | 499 | unsigned int |
b2b62060 TG |
500 | bfd_mach_o_section_get_entry_size (bfd *abfd, bfd_mach_o_section *sec) |
501 | { | |
502 | switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK) | |
503 | { | |
504 | case BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS: | |
505 | case BFD_MACH_O_S_LAZY_SYMBOL_POINTERS: | |
506 | return bfd_mach_o_wide_p (abfd) ? 8 : 4; | |
507 | case BFD_MACH_O_S_SYMBOL_STUBS: | |
508 | return sec->reserved2; | |
509 | default: | |
510 | BFD_FAIL (); | |
511 | return 0; | |
512 | } | |
513 | } | |
514 | ||
515 | /* Return the number of indirect symbols for a section. | |
516 | Must be called only for symbol pointer section and symbol stubs | |
517 | sections. */ | |
518 | ||
c5012cd8 | 519 | unsigned int |
b2b62060 TG |
520 | bfd_mach_o_section_get_nbr_indirect (bfd *abfd, bfd_mach_o_section *sec) |
521 | { | |
522 | unsigned int elsz; | |
523 | ||
524 | elsz = bfd_mach_o_section_get_entry_size (abfd, sec); | |
525 | if (elsz == 0) | |
526 | return 0; | |
527 | else | |
528 | return sec->size / elsz; | |
529 | } | |
530 | ||
531 | ||
3af9a47b NC |
532 | /* Copy any private info we understand from the input symbol |
533 | to the output symbol. */ | |
534 | ||
154a1ee5 | 535 | bfd_boolean |
116c20d2 | 536 | bfd_mach_o_bfd_copy_private_symbol_data (bfd *ibfd ATTRIBUTE_UNUSED, |
b22161d6 | 537 | asymbol *isymbol, |
116c20d2 | 538 | bfd *obfd ATTRIBUTE_UNUSED, |
b22161d6 IS |
539 | asymbol *osymbol) |
540 | { | |
541 | bfd_mach_o_asymbol *os, *is; | |
542 | os = (bfd_mach_o_asymbol *)osymbol; | |
543 | is = (bfd_mach_o_asymbol *)isymbol; | |
544 | os->n_type = is->n_type; | |
545 | os->n_sect = is->n_sect; | |
546 | os->n_desc = is->n_desc; | |
547 | os->symbol.udata.i = is->symbol.udata.i; | |
b34976b6 | 548 | return TRUE; |
3af9a47b NC |
549 | } |
550 | ||
551 | /* Copy any private info we understand from the input section | |
552 | to the output section. */ | |
553 | ||
154a1ee5 | 554 | bfd_boolean |
116c20d2 | 555 | bfd_mach_o_bfd_copy_private_section_data (bfd *ibfd ATTRIBUTE_UNUSED, |
a4551119 | 556 | asection *isection, |
116c20d2 | 557 | bfd *obfd ATTRIBUTE_UNUSED, |
a4551119 TG |
558 | asection *osection) |
559 | { | |
560 | if (osection->used_by_bfd == NULL) | |
561 | osection->used_by_bfd = isection->used_by_bfd; | |
68ffbac6 | 562 | else |
a4551119 | 563 | if (isection->used_by_bfd != NULL) |
68ffbac6 | 564 | memcpy (osection->used_by_bfd, isection->used_by_bfd, |
a4551119 | 565 | sizeof (bfd_mach_o_section)); |
68ffbac6 | 566 | |
a4551119 TG |
567 | if (osection->used_by_bfd != NULL) |
568 | ((bfd_mach_o_section *)osection->used_by_bfd)->bfdsection = osection; | |
569 | ||
b34976b6 | 570 | return TRUE; |
3af9a47b NC |
571 | } |
572 | ||
573 | /* Copy any private info we understand from the input bfd | |
574 | to the output bfd. */ | |
575 | ||
154a1ee5 | 576 | bfd_boolean |
116c20d2 | 577 | bfd_mach_o_bfd_copy_private_bfd_data (bfd *ibfd, bfd *obfd) |
3af9a47b | 578 | { |
154a1ee5 TG |
579 | if (bfd_get_flavour (ibfd) != bfd_target_mach_o_flavour |
580 | || bfd_get_flavour (obfd) != bfd_target_mach_o_flavour) | |
581 | return TRUE; | |
582 | ||
3af9a47b NC |
583 | BFD_ASSERT (bfd_mach_o_valid (ibfd)); |
584 | BFD_ASSERT (bfd_mach_o_valid (obfd)); | |
585 | ||
154a1ee5 TG |
586 | /* FIXME: copy commands. */ |
587 | ||
b34976b6 | 588 | return TRUE; |
3af9a47b NC |
589 | } |
590 | ||
0c9ef0f0 TG |
591 | /* This allows us to set up to 32 bits of flags (unless we invent some |
592 | fiendish scheme to subdivide). For now, we'll just set the file flags | |
593 | without error checking - just overwrite. */ | |
68ffbac6 | 594 | |
0c9ef0f0 TG |
595 | bfd_boolean |
596 | bfd_mach_o_bfd_set_private_flags (bfd *abfd, flagword flags) | |
597 | { | |
598 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
599 | ||
600 | if (!mdata) | |
601 | return FALSE; | |
602 | ||
603 | mdata->header.flags = flags; | |
604 | return TRUE; | |
605 | } | |
606 | ||
046b007d | 607 | /* Count the total number of symbols. */ |
154a1ee5 | 608 | |
3af9a47b | 609 | static long |
116c20d2 | 610 | bfd_mach_o_count_symbols (bfd *abfd) |
3af9a47b | 611 | { |
046b007d | 612 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
3af9a47b | 613 | |
046b007d TG |
614 | if (mdata->symtab == NULL) |
615 | return 0; | |
616 | return mdata->symtab->nsyms; | |
3af9a47b NC |
617 | } |
618 | ||
154a1ee5 | 619 | long |
116c20d2 | 620 | bfd_mach_o_get_symtab_upper_bound (bfd *abfd) |
3af9a47b NC |
621 | { |
622 | long nsyms = bfd_mach_o_count_symbols (abfd); | |
623 | ||
3af9a47b NC |
624 | return ((nsyms + 1) * sizeof (asymbol *)); |
625 | } | |
626 | ||
154a1ee5 | 627 | long |
116c20d2 | 628 | bfd_mach_o_canonicalize_symtab (bfd *abfd, asymbol **alocation) |
3af9a47b | 629 | { |
046b007d | 630 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
3af9a47b | 631 | long nsyms = bfd_mach_o_count_symbols (abfd); |
046b007d TG |
632 | bfd_mach_o_symtab_command *sym = mdata->symtab; |
633 | unsigned long j; | |
3af9a47b NC |
634 | |
635 | if (nsyms < 0) | |
636 | return nsyms; | |
637 | ||
092d27ff TG |
638 | if (nsyms == 0) |
639 | { | |
640 | /* Do not try to read symbols if there are none. */ | |
641 | alocation[0] = NULL; | |
642 | return 0; | |
643 | } | |
644 | ||
afbb9e17 | 645 | if (!bfd_mach_o_read_symtab_symbols (abfd)) |
3af9a47b | 646 | { |
afbb9e17 TG |
647 | (*_bfd_error_handler) |
648 | (_("bfd_mach_o_canonicalize_symtab: unable to load symbols")); | |
046b007d TG |
649 | return 0; |
650 | } | |
3af9a47b | 651 | |
046b007d | 652 | BFD_ASSERT (sym->symbols != NULL); |
3af9a47b | 653 | |
046b007d TG |
654 | for (j = 0; j < sym->nsyms; j++) |
655 | alocation[j] = &sym->symbols[j].symbol; | |
3af9a47b | 656 | |
046b007d | 657 | alocation[j] = NULL; |
a95a4550 | 658 | |
3af9a47b NC |
659 | return nsyms; |
660 | } | |
661 | ||
aeefa1c9 TG |
662 | /* Create synthetic symbols for indirect symbols. */ |
663 | ||
b2b62060 TG |
664 | long |
665 | bfd_mach_o_get_synthetic_symtab (bfd *abfd, | |
666 | long symcount ATTRIBUTE_UNUSED, | |
667 | asymbol **syms ATTRIBUTE_UNUSED, | |
668 | long dynsymcount ATTRIBUTE_UNUSED, | |
669 | asymbol **dynsyms ATTRIBUTE_UNUSED, | |
670 | asymbol **ret) | |
671 | { | |
672 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
673 | bfd_mach_o_dysymtab_command *dysymtab = mdata->dysymtab; | |
674 | bfd_mach_o_symtab_command *symtab = mdata->symtab; | |
675 | asymbol *s; | |
676 | unsigned long count, i, j, n; | |
677 | size_t size; | |
678 | char *names; | |
679 | char *nul_name; | |
680 | ||
681 | *ret = NULL; | |
682 | ||
aeefa1c9 | 683 | /* Stop now if no symbols or no indirect symbols. */ |
b2b62060 TG |
684 | if (dysymtab == NULL || symtab == NULL || symtab->symbols == NULL) |
685 | return 0; | |
686 | ||
687 | if (dysymtab->nindirectsyms == 0) | |
688 | return 0; | |
689 | ||
aeefa1c9 TG |
690 | /* We need to allocate a bfd symbol for every indirect symbol and to |
691 | allocate the memory for its name. */ | |
b2b62060 TG |
692 | count = dysymtab->nindirectsyms; |
693 | size = count * sizeof (asymbol) + 1; | |
694 | ||
695 | for (j = 0; j < count; j++) | |
696 | { | |
697 | unsigned int isym = dysymtab->indirect_syms[j]; | |
aeefa1c9 TG |
698 | |
699 | /* Some indirect symbols are anonymous. */ | |
b2b62060 TG |
700 | if (isym < symtab->nsyms && symtab->symbols[isym].symbol.name) |
701 | size += strlen (symtab->symbols[isym].symbol.name) + sizeof ("$stub"); | |
702 | } | |
703 | ||
704 | s = *ret = (asymbol *) bfd_malloc (size); | |
705 | if (s == NULL) | |
706 | return -1; | |
707 | names = (char *) (s + count); | |
708 | nul_name = names; | |
709 | *names++ = 0; | |
68ffbac6 | 710 | |
b2b62060 TG |
711 | n = 0; |
712 | for (i = 0; i < mdata->nsects; i++) | |
713 | { | |
714 | bfd_mach_o_section *sec = mdata->sections[i]; | |
91d6fa6a | 715 | unsigned int first, last; |
b2b62060 TG |
716 | bfd_vma addr; |
717 | bfd_vma entry_size; | |
68ffbac6 | 718 | |
b2b62060 TG |
719 | switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK) |
720 | { | |
721 | case BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS: | |
722 | case BFD_MACH_O_S_LAZY_SYMBOL_POINTERS: | |
723 | case BFD_MACH_O_S_SYMBOL_STUBS: | |
aeefa1c9 | 724 | /* Only these sections have indirect symbols. */ |
b2b62060 TG |
725 | first = sec->reserved1; |
726 | last = first + bfd_mach_o_section_get_nbr_indirect (abfd, sec); | |
727 | addr = sec->addr; | |
728 | entry_size = bfd_mach_o_section_get_entry_size (abfd, sec); | |
729 | for (j = first; j < last; j++) | |
730 | { | |
731 | unsigned int isym = dysymtab->indirect_syms[j]; | |
732 | ||
733 | s->flags = BSF_GLOBAL | BSF_SYNTHETIC; | |
734 | s->section = sec->bfdsection; | |
735 | s->value = addr - sec->addr; | |
736 | s->udata.p = NULL; | |
68ffbac6 | 737 | |
b2b62060 TG |
738 | if (isym < symtab->nsyms |
739 | && symtab->symbols[isym].symbol.name) | |
740 | { | |
741 | const char *sym = symtab->symbols[isym].symbol.name; | |
742 | size_t len; | |
743 | ||
744 | s->name = names; | |
745 | len = strlen (sym); | |
746 | memcpy (names, sym, len); | |
747 | names += len; | |
748 | memcpy (names, "$stub", sizeof ("$stub")); | |
749 | names += sizeof ("$stub"); | |
750 | } | |
751 | else | |
752 | s->name = nul_name; | |
753 | ||
754 | addr += entry_size; | |
755 | s++; | |
756 | n++; | |
757 | } | |
758 | break; | |
759 | default: | |
760 | break; | |
761 | } | |
762 | } | |
763 | ||
764 | return n; | |
765 | } | |
766 | ||
154a1ee5 | 767 | void |
116c20d2 NC |
768 | bfd_mach_o_get_symbol_info (bfd *abfd ATTRIBUTE_UNUSED, |
769 | asymbol *symbol, | |
770 | symbol_info *ret) | |
3af9a47b NC |
771 | { |
772 | bfd_symbol_info (symbol, ret); | |
773 | } | |
774 | ||
154a1ee5 | 775 | void |
116c20d2 | 776 | bfd_mach_o_print_symbol (bfd *abfd, |
91d6fa6a | 777 | void * afile, |
116c20d2 NC |
778 | asymbol *symbol, |
779 | bfd_print_symbol_type how) | |
3af9a47b NC |
780 | { |
781 | FILE *file = (FILE *) afile; | |
15e1c58a | 782 | const char *name; |
92bc0e80 | 783 | bfd_mach_o_asymbol *asym = (bfd_mach_o_asymbol *)symbol; |
3af9a47b NC |
784 | |
785 | switch (how) | |
786 | { | |
787 | case bfd_print_symbol_name: | |
788 | fprintf (file, "%s", symbol->name); | |
789 | break; | |
790 | default: | |
91d6fa6a | 791 | bfd_print_symbol_vandf (abfd, (void *) file, symbol); |
92bc0e80 TG |
792 | if (asym->n_type & BFD_MACH_O_N_STAB) |
793 | name = bfd_get_stab_name (asym->n_type); | |
15e1c58a | 794 | else |
92bc0e80 | 795 | switch (asym->n_type & BFD_MACH_O_N_TYPE) |
15e1c58a TG |
796 | { |
797 | case BFD_MACH_O_N_UNDF: | |
e0ce1005 TG |
798 | if (symbol->value == 0) |
799 | name = "UND"; | |
800 | else | |
801 | name = "COM"; | |
15e1c58a TG |
802 | break; |
803 | case BFD_MACH_O_N_ABS: | |
804 | name = "ABS"; | |
805 | break; | |
806 | case BFD_MACH_O_N_INDR: | |
807 | name = "INDR"; | |
808 | break; | |
809 | case BFD_MACH_O_N_PBUD: | |
810 | name = "PBUD"; | |
811 | break; | |
812 | case BFD_MACH_O_N_SECT: | |
813 | name = "SECT"; | |
814 | break; | |
815 | default: | |
816 | name = "???"; | |
817 | break; | |
818 | } | |
819 | if (name == NULL) | |
820 | name = ""; | |
92bc0e80 TG |
821 | fprintf (file, " %02x %-6s %02x %04x", |
822 | asym->n_type, name, asym->n_sect, asym->n_desc); | |
823 | if ((asym->n_type & BFD_MACH_O_N_STAB) == 0 | |
824 | && (asym->n_type & BFD_MACH_O_N_TYPE) == BFD_MACH_O_N_SECT) | |
e0ce1005 | 825 | fprintf (file, " [%s]", symbol->section->name); |
15e1c58a | 826 | fprintf (file, " %s", symbol->name); |
3af9a47b NC |
827 | } |
828 | } | |
829 | ||
830 | static void | |
116c20d2 | 831 | bfd_mach_o_convert_architecture (bfd_mach_o_cpu_type mtype, |
0b2de107 | 832 | bfd_mach_o_cpu_subtype msubtype, |
116c20d2 NC |
833 | enum bfd_architecture *type, |
834 | unsigned long *subtype) | |
3af9a47b NC |
835 | { |
836 | *subtype = bfd_arch_unknown; | |
837 | ||
838 | switch (mtype) | |
839 | { | |
0b2de107 TG |
840 | case BFD_MACH_O_CPU_TYPE_VAX: |
841 | *type = bfd_arch_vax; | |
842 | break; | |
843 | case BFD_MACH_O_CPU_TYPE_MC680x0: | |
844 | *type = bfd_arch_m68k; | |
845 | break; | |
1e8a024a TG |
846 | case BFD_MACH_O_CPU_TYPE_I386: |
847 | *type = bfd_arch_i386; | |
848 | *subtype = bfd_mach_i386_i386; | |
849 | break; | |
850 | case BFD_MACH_O_CPU_TYPE_X86_64: | |
851 | *type = bfd_arch_i386; | |
852 | *subtype = bfd_mach_x86_64; | |
853 | break; | |
0b2de107 TG |
854 | case BFD_MACH_O_CPU_TYPE_MIPS: |
855 | *type = bfd_arch_mips; | |
856 | break; | |
857 | case BFD_MACH_O_CPU_TYPE_MC98000: | |
858 | *type = bfd_arch_m98k; | |
859 | break; | |
860 | case BFD_MACH_O_CPU_TYPE_HPPA: | |
861 | *type = bfd_arch_hppa; | |
862 | break; | |
863 | case BFD_MACH_O_CPU_TYPE_ARM: | |
864 | *type = bfd_arch_arm; | |
865 | switch (msubtype) | |
866 | { | |
867 | case BFD_MACH_O_CPU_SUBTYPE_ARM_V4T: | |
868 | *subtype = bfd_mach_arm_4T; | |
869 | break; | |
870 | case BFD_MACH_O_CPU_SUBTYPE_ARM_V6: | |
871 | *subtype = bfd_mach_arm_4T; /* Best fit ? */ | |
872 | break; | |
873 | case BFD_MACH_O_CPU_SUBTYPE_ARM_V5TEJ: | |
874 | *subtype = bfd_mach_arm_5TE; | |
875 | break; | |
876 | case BFD_MACH_O_CPU_SUBTYPE_ARM_XSCALE: | |
877 | *subtype = bfd_mach_arm_XScale; | |
878 | break; | |
879 | case BFD_MACH_O_CPU_SUBTYPE_ARM_V7: | |
880 | *subtype = bfd_mach_arm_5TE; /* Best fit ? */ | |
881 | break; | |
882 | case BFD_MACH_O_CPU_SUBTYPE_ARM_ALL: | |
883 | default: | |
884 | break; | |
885 | } | |
886 | break; | |
887 | case BFD_MACH_O_CPU_TYPE_MC88000: | |
888 | *type = bfd_arch_m88k; | |
889 | break; | |
1e8a024a TG |
890 | case BFD_MACH_O_CPU_TYPE_SPARC: |
891 | *type = bfd_arch_sparc; | |
892 | *subtype = bfd_mach_sparc; | |
893 | break; | |
0b2de107 TG |
894 | case BFD_MACH_O_CPU_TYPE_I860: |
895 | *type = bfd_arch_i860; | |
896 | break; | |
897 | case BFD_MACH_O_CPU_TYPE_ALPHA: | |
898 | *type = bfd_arch_alpha; | |
899 | break; | |
1e8a024a TG |
900 | case BFD_MACH_O_CPU_TYPE_POWERPC: |
901 | *type = bfd_arch_powerpc; | |
c2f09c75 | 902 | *subtype = bfd_mach_ppc; |
1e8a024a TG |
903 | break; |
904 | case BFD_MACH_O_CPU_TYPE_POWERPC_64: | |
905 | *type = bfd_arch_powerpc; | |
c2f09c75 | 906 | *subtype = bfd_mach_ppc64; |
1e8a024a | 907 | break; |
d8028530 TG |
908 | case BFD_MACH_O_CPU_TYPE_ARM64: |
909 | *type = bfd_arch_aarch64; | |
910 | *subtype = bfd_mach_aarch64; | |
911 | break; | |
3af9a47b | 912 | default: |
1e8a024a TG |
913 | *type = bfd_arch_unknown; |
914 | break; | |
3af9a47b NC |
915 | } |
916 | } | |
a95a4550 | 917 | |
154a1ee5 | 918 | static bfd_boolean |
116c20d2 NC |
919 | bfd_mach_o_write_header (bfd *abfd, bfd_mach_o_header *header) |
920 | { | |
46d1c23b | 921 | struct mach_o_header_external raw; |
1e8a024a TG |
922 | unsigned int size; |
923 | ||
c2f09c75 | 924 | size = mach_o_wide_p (header) ? |
154a1ee5 | 925 | BFD_MACH_O_HEADER_64_SIZE : BFD_MACH_O_HEADER_SIZE; |
116c20d2 | 926 | |
46d1c23b TG |
927 | bfd_h_put_32 (abfd, header->magic, raw.magic); |
928 | bfd_h_put_32 (abfd, header->cputype, raw.cputype); | |
929 | bfd_h_put_32 (abfd, header->cpusubtype, raw.cpusubtype); | |
930 | bfd_h_put_32 (abfd, header->filetype, raw.filetype); | |
931 | bfd_h_put_32 (abfd, header->ncmds, raw.ncmds); | |
932 | bfd_h_put_32 (abfd, header->sizeofcmds, raw.sizeofcmds); | |
933 | bfd_h_put_32 (abfd, header->flags, raw.flags); | |
116c20d2 | 934 | |
c2f09c75 | 935 | if (mach_o_wide_p (header)) |
46d1c23b | 936 | bfd_h_put_32 (abfd, header->reserved, raw.reserved); |
1e8a024a | 937 | |
c2f09c75 | 938 | if (bfd_seek (abfd, 0, SEEK_SET) != 0 |
46d1c23b | 939 | || bfd_bwrite (&raw, size, abfd) != size) |
154a1ee5 | 940 | return FALSE; |
116c20d2 | 941 | |
154a1ee5 | 942 | return TRUE; |
116c20d2 NC |
943 | } |
944 | ||
945 | static int | |
ab273af8 | 946 | bfd_mach_o_write_thread (bfd *abfd, bfd_mach_o_load_command *command) |
116c20d2 NC |
947 | { |
948 | bfd_mach_o_thread_command *cmd = &command->command.thread; | |
949 | unsigned int i; | |
46d1c23b | 950 | struct mach_o_thread_command_external raw; |
92bc0e80 | 951 | unsigned int offset; |
116c20d2 NC |
952 | |
953 | BFD_ASSERT ((command->type == BFD_MACH_O_LC_THREAD) | |
954 | || (command->type == BFD_MACH_O_LC_UNIXTHREAD)); | |
955 | ||
956 | offset = 8; | |
116c20d2 NC |
957 | for (i = 0; i < cmd->nflavours; i++) |
958 | { | |
959 | BFD_ASSERT ((cmd->flavours[i].size % 4) == 0); | |
46d1c23b TG |
960 | BFD_ASSERT (cmd->flavours[i].offset == |
961 | (command->offset + offset + BFD_MACH_O_LC_SIZE)); | |
116c20d2 | 962 | |
46d1c23b TG |
963 | bfd_h_put_32 (abfd, cmd->flavours[i].flavour, raw.flavour); |
964 | bfd_h_put_32 (abfd, (cmd->flavours[i].size / 4), raw.count); | |
116c20d2 | 965 | |
c2f09c75 | 966 | if (bfd_seek (abfd, command->offset + offset, SEEK_SET) != 0 |
46d1c23b | 967 | || bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw)) |
116c20d2 NC |
968 | return -1; |
969 | ||
46d1c23b | 970 | offset += cmd->flavours[i].size + sizeof (raw); |
116c20d2 NC |
971 | } |
972 | ||
973 | return 0; | |
974 | } | |
975 | ||
92bc0e80 TG |
976 | long |
977 | bfd_mach_o_get_reloc_upper_bound (bfd *abfd ATTRIBUTE_UNUSED, | |
978 | asection *asect) | |
979 | { | |
980 | return (asect->reloc_count + 1) * sizeof (arelent *); | |
981 | } | |
982 | ||
19765f52 IS |
983 | /* In addition to the need to byte-swap the symbol number, the bit positions |
984 | of the fields in the relocation information vary per target endian-ness. */ | |
985 | ||
986 | static void | |
987 | bfd_mach_o_swap_in_non_scattered_reloc (bfd *abfd, bfd_mach_o_reloc_info *rel, | |
988 | unsigned char *fields) | |
989 | { | |
990 | unsigned char info = fields[3]; | |
991 | ||
992 | if (bfd_big_endian (abfd)) | |
993 | { | |
994 | rel->r_value = (fields[0] << 16) | (fields[1] << 8) | fields[2]; | |
995 | rel->r_type = (info >> BFD_MACH_O_BE_TYPE_SHIFT) & BFD_MACH_O_TYPE_MASK; | |
996 | rel->r_pcrel = (info & BFD_MACH_O_BE_PCREL) ? 1 : 0; | |
68ffbac6 | 997 | rel->r_length = (info >> BFD_MACH_O_BE_LENGTH_SHIFT) |
19765f52 IS |
998 | & BFD_MACH_O_LENGTH_MASK; |
999 | rel->r_extern = (info & BFD_MACH_O_BE_EXTERN) ? 1 : 0; | |
1000 | } | |
1001 | else | |
1002 | { | |
1003 | rel->r_value = (fields[2] << 16) | (fields[1] << 8) | fields[0]; | |
1004 | rel->r_type = (info >> BFD_MACH_O_LE_TYPE_SHIFT) & BFD_MACH_O_TYPE_MASK; | |
1005 | rel->r_pcrel = (info & BFD_MACH_O_LE_PCREL) ? 1 : 0; | |
68ffbac6 | 1006 | rel->r_length = (info >> BFD_MACH_O_LE_LENGTH_SHIFT) |
19765f52 IS |
1007 | & BFD_MACH_O_LENGTH_MASK; |
1008 | rel->r_extern = (info & BFD_MACH_O_LE_EXTERN) ? 1 : 0; | |
1009 | } | |
1010 | } | |
1011 | ||
b32e07d7 | 1012 | static int |
46d1c23b TG |
1013 | bfd_mach_o_canonicalize_one_reloc (bfd *abfd, |
1014 | struct mach_o_reloc_info_external *raw, | |
b32e07d7 | 1015 | arelent *res, asymbol **syms) |
92bc0e80 | 1016 | { |
046b007d | 1017 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
92bc0e80 | 1018 | bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd); |
b32e07d7 TG |
1019 | bfd_mach_o_reloc_info reloc; |
1020 | bfd_vma addr; | |
b32e07d7 TG |
1021 | asymbol **sym; |
1022 | ||
46d1c23b | 1023 | addr = bfd_get_32 (abfd, raw->r_address); |
19765f52 IS |
1024 | res->sym_ptr_ptr = NULL; |
1025 | res->addend = 0; | |
f4716ee2 | 1026 | |
b32e07d7 TG |
1027 | if (addr & BFD_MACH_O_SR_SCATTERED) |
1028 | { | |
1029 | unsigned int j; | |
19765f52 | 1030 | bfd_vma symnum = bfd_get_32 (abfd, raw->r_symbolnum); |
b32e07d7 | 1031 | |
19765f52 IS |
1032 | /* Scattered relocation, can't be extern. */ |
1033 | reloc.r_scattered = 1; | |
1034 | reloc.r_extern = 0; | |
1035 | ||
1036 | /* Extract section and offset from r_value (symnum). */ | |
1037 | reloc.r_value = symnum; | |
1038 | /* FIXME: This breaks when a symbol in a reloc exactly follows the | |
1039 | end of the data for the section (e.g. in a calculation of section | |
1040 | data length). At present, the symbol will end up associated with | |
1041 | the following section or, if it falls within alignment padding, as | |
1042 | null - which will assert later. */ | |
b32e07d7 TG |
1043 | for (j = 0; j < mdata->nsects; j++) |
1044 | { | |
1045 | bfd_mach_o_section *sect = mdata->sections[j]; | |
1046 | if (symnum >= sect->addr && symnum < sect->addr + sect->size) | |
1047 | { | |
1048 | res->sym_ptr_ptr = sect->bfdsection->symbol_ptr_ptr; | |
1049 | res->addend = symnum - sect->addr; | |
1050 | break; | |
1051 | } | |
1052 | } | |
19765f52 IS |
1053 | |
1054 | /* Extract the info and address fields from r_address. */ | |
b32e07d7 TG |
1055 | reloc.r_type = BFD_MACH_O_GET_SR_TYPE (addr); |
1056 | reloc.r_length = BFD_MACH_O_GET_SR_LENGTH (addr); | |
1057 | reloc.r_pcrel = addr & BFD_MACH_O_SR_PCREL; | |
19765f52 IS |
1058 | reloc.r_address = BFD_MACH_O_GET_SR_TYPE (addr); |
1059 | res->address = BFD_MACH_O_GET_SR_ADDRESS (addr); | |
b32e07d7 TG |
1060 | } |
1061 | else | |
1062 | { | |
19765f52 | 1063 | unsigned int num; |
f4716ee2 | 1064 | |
19765f52 IS |
1065 | /* Non-scattered relocation. */ |
1066 | reloc.r_scattered = 0; | |
f4716ee2 | 1067 | |
19765f52 IS |
1068 | /* The value and info fields have to be extracted dependent on target |
1069 | endian-ness. */ | |
1070 | bfd_mach_o_swap_in_non_scattered_reloc (abfd, &reloc, raw->r_symbolnum); | |
1071 | num = reloc.r_value; | |
1072 | ||
1073 | if (reloc.r_extern) | |
f4716ee2 TG |
1074 | { |
1075 | /* An external symbol number. */ | |
1076 | sym = syms + num; | |
1077 | } | |
23d72939 | 1078 | else if (num == 0x00ffffff || num == 0) |
f4716ee2 TG |
1079 | { |
1080 | /* The 'symnum' in a non-scattered PAIR is 0x00ffffff. But as this | |
1081 | is generic code, we don't know wether this is really a PAIR. | |
1082 | This value is almost certainly not a valid section number, hence | |
1083 | this specific case to avoid an assertion failure. | |
1084 | Target specific swap_reloc_in routine should adjust that. */ | |
1085 | sym = bfd_abs_section_ptr->symbol_ptr_ptr; | |
1086 | } | |
1087 | else | |
b32e07d7 | 1088 | { |
f4716ee2 | 1089 | /* A section number. */ |
b32e07d7 | 1090 | BFD_ASSERT (num <= mdata->nsects); |
f4716ee2 | 1091 | |
b32e07d7 | 1092 | sym = mdata->sections[num - 1]->bfdsection->symbol_ptr_ptr; |
1523fa24 TG |
1093 | /* For a symbol defined in section S, the addend (stored in the |
1094 | binary) contains the address of the section. To comply with | |
19765f52 | 1095 | bfd convention, subtract the section address. |
1523fa24 TG |
1096 | Use the address from the header, so that the user can modify |
1097 | the vma of the section. */ | |
1098 | res->addend = -mdata->sections[num - 1]->addr; | |
19765f52 | 1099 | } |
f4716ee2 TG |
1100 | /* Note: Pairs for PPC LO/HI/HA are not scattered, but contain the offset |
1101 | in the lower 16bits of the address value. So we have to find the | |
1102 | 'symbol' from the preceding reloc. We do this even though the | |
1103 | section symbol is probably not needed here, because NULL symbol | |
1104 | values cause an assert in generic BFD code. This must be done in | |
1105 | the PPC swap_reloc_in routine. */ | |
b32e07d7 | 1106 | res->sym_ptr_ptr = sym; |
f4716ee2 | 1107 | |
19765f52 IS |
1108 | /* The 'address' is just r_address. |
1109 | ??? maybe this should be masked with 0xffffff for safety. */ | |
1110 | res->address = addr; | |
1111 | reloc.r_address = addr; | |
b32e07d7 | 1112 | } |
f4716ee2 TG |
1113 | |
1114 | /* We have set up a reloc with all the information present, so the swapper | |
1115 | can modify address, value and addend fields, if necessary, to convey | |
1116 | information in the generic BFD reloc that is mach-o specific. */ | |
19765f52 | 1117 | |
b32e07d7 TG |
1118 | if (!(*bed->_bfd_mach_o_swap_reloc_in)(res, &reloc)) |
1119 | return -1; | |
1120 | return 0; | |
1121 | } | |
1122 | ||
1123 | static int | |
1124 | bfd_mach_o_canonicalize_relocs (bfd *abfd, unsigned long filepos, | |
1125 | unsigned long count, | |
1126 | arelent *res, asymbol **syms) | |
1127 | { | |
92bc0e80 | 1128 | unsigned long i; |
46d1c23b | 1129 | struct mach_o_reloc_info_external *native_relocs; |
92bc0e80 TG |
1130 | bfd_size_type native_size; |
1131 | ||
92bc0e80 | 1132 | /* Allocate and read relocs. */ |
b32e07d7 | 1133 | native_size = count * BFD_MACH_O_RELENT_SIZE; |
46d1c23b TG |
1134 | native_relocs = |
1135 | (struct mach_o_reloc_info_external *) bfd_malloc (native_size); | |
92bc0e80 TG |
1136 | if (native_relocs == NULL) |
1137 | return -1; | |
1138 | ||
b32e07d7 | 1139 | if (bfd_seek (abfd, filepos, SEEK_SET) != 0 |
92bc0e80 | 1140 | || bfd_bread (native_relocs, native_size, abfd) != native_size) |
b32e07d7 TG |
1141 | goto err; |
1142 | ||
1143 | for (i = 0; i < count; i++) | |
92bc0e80 | 1144 | { |
46d1c23b TG |
1145 | if (bfd_mach_o_canonicalize_one_reloc (abfd, &native_relocs[i], |
1146 | &res[i], syms) < 0) | |
b32e07d7 | 1147 | goto err; |
92bc0e80 | 1148 | } |
b32e07d7 TG |
1149 | free (native_relocs); |
1150 | return i; | |
1151 | err: | |
1152 | free (native_relocs); | |
1153 | return -1; | |
1154 | } | |
1155 | ||
1156 | long | |
1157 | bfd_mach_o_canonicalize_reloc (bfd *abfd, asection *asect, | |
1158 | arelent **rels, asymbol **syms) | |
1159 | { | |
1160 | bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd); | |
1161 | unsigned long i; | |
1162 | arelent *res; | |
1163 | ||
1164 | if (asect->reloc_count == 0) | |
1165 | return 0; | |
1166 | ||
1167 | /* No need to go further if we don't know how to read relocs. */ | |
1168 | if (bed->_bfd_mach_o_swap_reloc_in == NULL) | |
1169 | return 0; | |
92bc0e80 | 1170 | |
dff55db0 | 1171 | if (asect->relocation == NULL) |
92bc0e80 | 1172 | { |
dff55db0 TG |
1173 | res = bfd_malloc (asect->reloc_count * sizeof (arelent)); |
1174 | if (res == NULL) | |
1175 | return -1; | |
1176 | ||
1177 | if (bfd_mach_o_canonicalize_relocs (abfd, asect->rel_filepos, | |
1178 | asect->reloc_count, res, syms) < 0) | |
1179 | { | |
1180 | free (res); | |
1181 | return -1; | |
1182 | } | |
1183 | asect->relocation = res; | |
92bc0e80 TG |
1184 | } |
1185 | ||
dff55db0 | 1186 | res = asect->relocation; |
92bc0e80 | 1187 | for (i = 0; i < asect->reloc_count; i++) |
b32e07d7 TG |
1188 | rels[i] = &res[i]; |
1189 | rels[i] = NULL; | |
92bc0e80 | 1190 | |
b32e07d7 TG |
1191 | return i; |
1192 | } | |
92bc0e80 | 1193 | |
b32e07d7 TG |
1194 | long |
1195 | bfd_mach_o_get_dynamic_reloc_upper_bound (bfd *abfd) | |
1196 | { | |
1197 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
92bc0e80 | 1198 | |
b32e07d7 TG |
1199 | if (mdata->dysymtab == NULL) |
1200 | return 1; | |
dff55db0 | 1201 | return (mdata->dysymtab->nextrel + mdata->dysymtab->nlocrel + 1) |
b32e07d7 TG |
1202 | * sizeof (arelent *); |
1203 | } | |
92bc0e80 | 1204 | |
b32e07d7 TG |
1205 | long |
1206 | bfd_mach_o_canonicalize_dynamic_reloc (bfd *abfd, arelent **rels, | |
1207 | struct bfd_symbol **syms) | |
1208 | { | |
1209 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
1210 | bfd_mach_o_dysymtab_command *dysymtab = mdata->dysymtab; | |
1211 | bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd); | |
1212 | unsigned long i; | |
1213 | arelent *res; | |
1214 | ||
1215 | if (dysymtab == NULL) | |
1216 | return 0; | |
1217 | if (dysymtab->nextrel == 0 && dysymtab->nlocrel == 0) | |
1218 | return 0; | |
1219 | ||
1220 | /* No need to go further if we don't know how to read relocs. */ | |
1221 | if (bed->_bfd_mach_o_swap_reloc_in == NULL) | |
1222 | return 0; | |
1223 | ||
dff55db0 | 1224 | if (mdata->dyn_reloc_cache == NULL) |
b32e07d7 | 1225 | { |
dff55db0 TG |
1226 | res = bfd_malloc ((dysymtab->nextrel + dysymtab->nlocrel) |
1227 | * sizeof (arelent)); | |
1228 | if (res == NULL) | |
1229 | return -1; | |
b32e07d7 | 1230 | |
dff55db0 TG |
1231 | if (bfd_mach_o_canonicalize_relocs (abfd, dysymtab->extreloff, |
1232 | dysymtab->nextrel, res, syms) < 0) | |
1233 | { | |
1234 | free (res); | |
1235 | return -1; | |
1236 | } | |
1237 | ||
1238 | if (bfd_mach_o_canonicalize_relocs (abfd, dysymtab->locreloff, | |
1239 | dysymtab->nlocrel, | |
1240 | res + dysymtab->nextrel, syms) < 0) | |
1241 | { | |
1242 | free (res); | |
1243 | return -1; | |
1244 | } | |
1245 | ||
1246 | mdata->dyn_reloc_cache = res; | |
b32e07d7 TG |
1247 | } |
1248 | ||
dff55db0 | 1249 | res = mdata->dyn_reloc_cache; |
b32e07d7 TG |
1250 | for (i = 0; i < dysymtab->nextrel + dysymtab->nlocrel; i++) |
1251 | rels[i] = &res[i]; | |
1252 | rels[i] = NULL; | |
92bc0e80 TG |
1253 | return i; |
1254 | } | |
1255 | ||
19765f52 IS |
1256 | /* In addition to the need to byte-swap the symbol number, the bit positions |
1257 | of the fields in the relocation information vary per target endian-ness. */ | |
1258 | ||
1259 | static void | |
1260 | bfd_mach_o_swap_out_non_scattered_reloc (bfd *abfd, unsigned char *fields, | |
1261 | bfd_mach_o_reloc_info *rel) | |
1262 | { | |
1263 | unsigned char info = 0; | |
1264 | ||
1265 | BFD_ASSERT (rel->r_type <= 15); | |
1266 | BFD_ASSERT (rel->r_length <= 3); | |
1267 | ||
1268 | if (bfd_big_endian (abfd)) | |
1269 | { | |
1270 | fields[0] = (rel->r_value >> 16) & 0xff; | |
1271 | fields[1] = (rel->r_value >> 8) & 0xff; | |
1272 | fields[2] = rel->r_value & 0xff; | |
1273 | info |= rel->r_type << BFD_MACH_O_BE_TYPE_SHIFT; | |
1274 | info |= rel->r_pcrel ? BFD_MACH_O_BE_PCREL : 0; | |
1275 | info |= rel->r_length << BFD_MACH_O_BE_LENGTH_SHIFT; | |
1276 | info |= rel->r_extern ? BFD_MACH_O_BE_EXTERN : 0; | |
1277 | } | |
1278 | else | |
1279 | { | |
1280 | fields[2] = (rel->r_value >> 16) & 0xff; | |
1281 | fields[1] = (rel->r_value >> 8) & 0xff; | |
1282 | fields[0] = rel->r_value & 0xff; | |
1283 | info |= rel->r_type << BFD_MACH_O_LE_TYPE_SHIFT; | |
1284 | info |= rel->r_pcrel ? BFD_MACH_O_LE_PCREL : 0; | |
1285 | info |= rel->r_length << BFD_MACH_O_LE_LENGTH_SHIFT; | |
1286 | info |= rel->r_extern ? BFD_MACH_O_LE_EXTERN : 0; | |
1287 | } | |
1288 | fields[3] = info; | |
1289 | } | |
1290 | ||
92bc0e80 | 1291 | static bfd_boolean |
ab273af8 | 1292 | bfd_mach_o_write_relocs (bfd *abfd, bfd_mach_o_section *section) |
92bc0e80 | 1293 | { |
92bc0e80 TG |
1294 | unsigned int i; |
1295 | arelent **entries; | |
1296 | asection *sec; | |
1297 | bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd); | |
1298 | ||
1299 | sec = section->bfdsection; | |
1300 | if (sec->reloc_count == 0) | |
1301 | return TRUE; | |
1302 | ||
1303 | if (bed->_bfd_mach_o_swap_reloc_out == NULL) | |
1304 | return TRUE; | |
1305 | ||
92bc0e80 TG |
1306 | if (bfd_seek (abfd, section->reloff, SEEK_SET) != 0) |
1307 | return FALSE; | |
1308 | ||
1309 | /* Convert and write. */ | |
1310 | entries = section->bfdsection->orelocation; | |
1311 | for (i = 0; i < section->nreloc; i++) | |
1312 | { | |
1313 | arelent *rel = entries[i]; | |
46d1c23b | 1314 | struct mach_o_reloc_info_external raw; |
92bc0e80 TG |
1315 | bfd_mach_o_reloc_info info, *pinfo = &info; |
1316 | ||
1317 | /* Convert relocation to an intermediate representation. */ | |
1318 | if (!(*bed->_bfd_mach_o_swap_reloc_out) (rel, pinfo)) | |
1319 | return FALSE; | |
1320 | ||
1321 | /* Lower the relocation info. */ | |
1322 | if (pinfo->r_scattered) | |
1323 | { | |
1324 | unsigned long v; | |
1325 | ||
1326 | v = BFD_MACH_O_SR_SCATTERED | |
1327 | | (pinfo->r_pcrel ? BFD_MACH_O_SR_PCREL : 0) | |
1328 | | BFD_MACH_O_SET_SR_LENGTH(pinfo->r_length) | |
1329 | | BFD_MACH_O_SET_SR_TYPE(pinfo->r_type) | |
1330 | | BFD_MACH_O_SET_SR_ADDRESS(pinfo->r_address); | |
46d1c23b TG |
1331 | /* Note: scattered relocs have field in reverse order... */ |
1332 | bfd_put_32 (abfd, v, raw.r_address); | |
1333 | bfd_put_32 (abfd, pinfo->r_value, raw.r_symbolnum); | |
92bc0e80 TG |
1334 | } |
1335 | else | |
1336 | { | |
46d1c23b | 1337 | bfd_put_32 (abfd, pinfo->r_address, raw.r_address); |
19765f52 IS |
1338 | bfd_mach_o_swap_out_non_scattered_reloc (abfd, raw.r_symbolnum, |
1339 | pinfo); | |
92bc0e80 TG |
1340 | } |
1341 | ||
46d1c23b | 1342 | if (bfd_bwrite (&raw, BFD_MACH_O_RELENT_SIZE, abfd) |
92bc0e80 TG |
1343 | != BFD_MACH_O_RELENT_SIZE) |
1344 | return FALSE; | |
1345 | } | |
1346 | return TRUE; | |
1347 | } | |
1348 | ||
116c20d2 | 1349 | static int |
ab273af8 | 1350 | bfd_mach_o_write_section_32 (bfd *abfd, bfd_mach_o_section *section) |
116c20d2 | 1351 | { |
46d1c23b TG |
1352 | struct mach_o_section_32_external raw; |
1353 | ||
1354 | memcpy (raw.sectname, section->sectname, 16); | |
72b5104c | 1355 | memcpy (raw.segname, section->segname, 16); |
46d1c23b TG |
1356 | bfd_h_put_32 (abfd, section->addr, raw.addr); |
1357 | bfd_h_put_32 (abfd, section->size, raw.size); | |
1358 | bfd_h_put_32 (abfd, section->offset, raw.offset); | |
1359 | bfd_h_put_32 (abfd, section->align, raw.align); | |
1360 | bfd_h_put_32 (abfd, section->reloff, raw.reloff); | |
1361 | bfd_h_put_32 (abfd, section->nreloc, raw.nreloc); | |
1362 | bfd_h_put_32 (abfd, section->flags, raw.flags); | |
1363 | bfd_h_put_32 (abfd, section->reserved1, raw.reserved1); | |
1364 | bfd_h_put_32 (abfd, section->reserved2, raw.reserved2); | |
1365 | ||
1366 | if (bfd_bwrite (&raw, BFD_MACH_O_SECTION_SIZE, abfd) | |
92bc0e80 | 1367 | != BFD_MACH_O_SECTION_SIZE) |
116c20d2 NC |
1368 | return -1; |
1369 | ||
1370 | return 0; | |
1371 | } | |
1372 | ||
1373 | static int | |
ab273af8 | 1374 | bfd_mach_o_write_section_64 (bfd *abfd, bfd_mach_o_section *section) |
116c20d2 | 1375 | { |
46d1c23b TG |
1376 | struct mach_o_section_64_external raw; |
1377 | ||
1378 | memcpy (raw.sectname, section->sectname, 16); | |
1379 | memcpy (raw.segname, section->segname, 16); | |
1380 | bfd_h_put_64 (abfd, section->addr, raw.addr); | |
1381 | bfd_h_put_64 (abfd, section->size, raw.size); | |
1382 | bfd_h_put_32 (abfd, section->offset, raw.offset); | |
1383 | bfd_h_put_32 (abfd, section->align, raw.align); | |
1384 | bfd_h_put_32 (abfd, section->reloff, raw.reloff); | |
1385 | bfd_h_put_32 (abfd, section->nreloc, raw.nreloc); | |
1386 | bfd_h_put_32 (abfd, section->flags, raw.flags); | |
1387 | bfd_h_put_32 (abfd, section->reserved1, raw.reserved1); | |
1388 | bfd_h_put_32 (abfd, section->reserved2, raw.reserved2); | |
1389 | bfd_h_put_32 (abfd, section->reserved3, raw.reserved3); | |
1390 | ||
1391 | if (bfd_bwrite (&raw, BFD_MACH_O_SECTION_64_SIZE, abfd) | |
92bc0e80 | 1392 | != BFD_MACH_O_SECTION_64_SIZE) |
116c20d2 NC |
1393 | return -1; |
1394 | ||
1e8a024a TG |
1395 | return 0; |
1396 | } | |
1397 | ||
1398 | static int | |
ab273af8 | 1399 | bfd_mach_o_write_segment_32 (bfd *abfd, bfd_mach_o_load_command *command) |
1e8a024a | 1400 | { |
46d1c23b | 1401 | struct mach_o_segment_command_32_external raw; |
1e8a024a | 1402 | bfd_mach_o_segment_command *seg = &command->command.segment; |
f1bde64c | 1403 | bfd_mach_o_section *sec; |
1e8a024a | 1404 | |
c2f09c75 TG |
1405 | BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT); |
1406 | ||
f1bde64c TG |
1407 | for (sec = seg->sect_head; sec != NULL; sec = sec->next) |
1408 | if (!bfd_mach_o_write_relocs (abfd, sec)) | |
92bc0e80 | 1409 | return -1; |
c2f09c75 | 1410 | |
46d1c23b TG |
1411 | memcpy (raw.segname, seg->segname, 16); |
1412 | bfd_h_put_32 (abfd, seg->vmaddr, raw.vmaddr); | |
1413 | bfd_h_put_32 (abfd, seg->vmsize, raw.vmsize); | |
1414 | bfd_h_put_32 (abfd, seg->fileoff, raw.fileoff); | |
1415 | bfd_h_put_32 (abfd, seg->filesize, raw.filesize); | |
1416 | bfd_h_put_32 (abfd, seg->maxprot, raw.maxprot); | |
1417 | bfd_h_put_32 (abfd, seg->initprot, raw.initprot); | |
1418 | bfd_h_put_32 (abfd, seg->nsects, raw.nsects); | |
1419 | bfd_h_put_32 (abfd, seg->flags, raw.flags); | |
68ffbac6 | 1420 | |
46d1c23b TG |
1421 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 |
1422 | || bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
c2f09c75 | 1423 | return -1; |
1e8a024a | 1424 | |
f1bde64c TG |
1425 | for (sec = seg->sect_head; sec != NULL; sec = sec->next) |
1426 | if (bfd_mach_o_write_section_32 (abfd, sec)) | |
92bc0e80 | 1427 | return -1; |
1e8a024a | 1428 | |
116c20d2 NC |
1429 | return 0; |
1430 | } | |
1431 | ||
1e8a024a | 1432 | static int |
ab273af8 | 1433 | bfd_mach_o_write_segment_64 (bfd *abfd, bfd_mach_o_load_command *command) |
1e8a024a | 1434 | { |
46d1c23b | 1435 | struct mach_o_segment_command_64_external raw; |
c2f09c75 | 1436 | bfd_mach_o_segment_command *seg = &command->command.segment; |
f1bde64c | 1437 | bfd_mach_o_section *sec; |
c2f09c75 TG |
1438 | |
1439 | BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT_64); | |
1440 | ||
f1bde64c TG |
1441 | for (sec = seg->sect_head; sec != NULL; sec = sec->next) |
1442 | if (!bfd_mach_o_write_relocs (abfd, sec)) | |
92bc0e80 | 1443 | return -1; |
c2f09c75 | 1444 | |
46d1c23b TG |
1445 | memcpy (raw.segname, seg->segname, 16); |
1446 | bfd_h_put_64 (abfd, seg->vmaddr, raw.vmaddr); | |
1447 | bfd_h_put_64 (abfd, seg->vmsize, raw.vmsize); | |
1448 | bfd_h_put_64 (abfd, seg->fileoff, raw.fileoff); | |
1449 | bfd_h_put_64 (abfd, seg->filesize, raw.filesize); | |
1450 | bfd_h_put_32 (abfd, seg->maxprot, raw.maxprot); | |
1451 | bfd_h_put_32 (abfd, seg->initprot, raw.initprot); | |
1452 | bfd_h_put_32 (abfd, seg->nsects, raw.nsects); | |
1453 | bfd_h_put_32 (abfd, seg->flags, raw.flags); | |
1454 | ||
1455 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 | |
1456 | || bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
c2f09c75 TG |
1457 | return -1; |
1458 | ||
f1bde64c TG |
1459 | for (sec = seg->sect_head; sec != NULL; sec = sec->next) |
1460 | if (bfd_mach_o_write_section_64 (abfd, sec)) | |
92bc0e80 | 1461 | return -1; |
c2f09c75 | 1462 | |
c2f09c75 | 1463 | return 0; |
1e8a024a TG |
1464 | } |
1465 | ||
c2f09c75 | 1466 | static bfd_boolean |
ab273af8 | 1467 | bfd_mach_o_write_symtab (bfd *abfd, bfd_mach_o_load_command *command) |
116c20d2 | 1468 | { |
046b007d | 1469 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
116c20d2 | 1470 | bfd_mach_o_symtab_command *sym = &command->command.symtab; |
116c20d2 | 1471 | unsigned long i; |
c2f09c75 | 1472 | unsigned int wide = bfd_mach_o_wide_p (abfd); |
046b007d | 1473 | unsigned int symlen = wide ? BFD_MACH_O_NLIST_64_SIZE : BFD_MACH_O_NLIST_SIZE; |
c2f09c75 TG |
1474 | struct bfd_strtab_hash *strtab; |
1475 | asymbol **symbols = bfd_get_outsymbols (abfd); | |
1476 | ||
1477 | BFD_ASSERT (command->type == BFD_MACH_O_LC_SYMTAB); | |
1478 | ||
1479 | /* Write the symbols first. */ | |
3cc27770 | 1480 | mdata->filelen = FILE_ALIGN (mdata->filelen, wide ? 3 : 2); |
92bc0e80 | 1481 | sym->symoff = mdata->filelen; |
c2f09c75 TG |
1482 | if (bfd_seek (abfd, sym->symoff, SEEK_SET) != 0) |
1483 | return FALSE; | |
1484 | ||
1485 | sym->nsyms = bfd_get_symcount (abfd); | |
92bc0e80 | 1486 | mdata->filelen += sym->nsyms * symlen; |
c2f09c75 TG |
1487 | |
1488 | strtab = _bfd_stringtab_init (); | |
1489 | if (strtab == NULL) | |
1490 | return FALSE; | |
116c20d2 | 1491 | |
a4551119 TG |
1492 | if (sym->nsyms > 0) |
1493 | /* Although we don't strictly need to do this, for compatibility with | |
1494 | Darwin system tools, actually output an empty string for the index | |
1495 | 0 entry. */ | |
1496 | _bfd_stringtab_add (strtab, "", TRUE, FALSE); | |
1497 | ||
116c20d2 NC |
1498 | for (i = 0; i < sym->nsyms; i++) |
1499 | { | |
91d6fa6a | 1500 | bfd_size_type str_index; |
92bc0e80 | 1501 | bfd_mach_o_asymbol *s = (bfd_mach_o_asymbol *)symbols[i]; |
68ffbac6 | 1502 | |
92bc0e80 | 1503 | if (s->symbol.name == 0 || s->symbol.name[0] == '\0') |
7f307238 | 1504 | /* An index of 0 always means the empty string. */ |
91d6fa6a | 1505 | str_index = 0; |
c2f09c75 TG |
1506 | else |
1507 | { | |
91d6fa6a | 1508 | str_index = _bfd_stringtab_add (strtab, s->symbol.name, TRUE, FALSE); |
7f307238 | 1509 | |
91d6fa6a | 1510 | if (str_index == (bfd_size_type) -1) |
c2f09c75 TG |
1511 | goto err; |
1512 | } | |
46d1c23b | 1513 | |
c2f09c75 | 1514 | if (wide) |
46d1c23b TG |
1515 | { |
1516 | struct mach_o_nlist_64_external raw; | |
1517 | ||
1518 | bfd_h_put_32 (abfd, str_index, raw.n_strx); | |
1519 | bfd_h_put_8 (abfd, s->n_type, raw.n_type); | |
1520 | bfd_h_put_8 (abfd, s->n_sect, raw.n_sect); | |
1521 | bfd_h_put_16 (abfd, s->n_desc, raw.n_desc); | |
1522 | bfd_h_put_64 (abfd, s->symbol.section->vma + s->symbol.value, | |
1523 | raw.n_value); | |
1524 | ||
1525 | if (bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
1526 | goto err; | |
1527 | } | |
c2f09c75 | 1528 | else |
46d1c23b TG |
1529 | { |
1530 | struct mach_o_nlist_external raw; | |
116c20d2 | 1531 | |
46d1c23b TG |
1532 | bfd_h_put_32 (abfd, str_index, raw.n_strx); |
1533 | bfd_h_put_8 (abfd, s->n_type, raw.n_type); | |
1534 | bfd_h_put_8 (abfd, s->n_sect, raw.n_sect); | |
1535 | bfd_h_put_16 (abfd, s->n_desc, raw.n_desc); | |
1536 | bfd_h_put_32 (abfd, s->symbol.section->vma + s->symbol.value, | |
1537 | raw.n_value); | |
1538 | ||
1539 | if (bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
1540 | goto err; | |
1541 | } | |
116c20d2 | 1542 | } |
c2f09c75 | 1543 | sym->strsize = _bfd_stringtab_size (strtab); |
92bc0e80 TG |
1544 | sym->stroff = mdata->filelen; |
1545 | mdata->filelen += sym->strsize; | |
116c20d2 | 1546 | |
c2f09c75 TG |
1547 | if (_bfd_stringtab_emit (abfd, strtab) != TRUE) |
1548 | goto err; | |
1549 | _bfd_stringtab_free (strtab); | |
116c20d2 | 1550 | |
c2f09c75 | 1551 | /* The command. */ |
46d1c23b TG |
1552 | { |
1553 | struct mach_o_symtab_command_external raw; | |
116c20d2 | 1554 | |
46d1c23b TG |
1555 | bfd_h_put_32 (abfd, sym->symoff, raw.symoff); |
1556 | bfd_h_put_32 (abfd, sym->nsyms, raw.nsyms); | |
1557 | bfd_h_put_32 (abfd, sym->stroff, raw.stroff); | |
1558 | bfd_h_put_32 (abfd, sym->strsize, raw.strsize); | |
1559 | ||
1560 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 | |
1561 | || bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
1562 | return FALSE; | |
1563 | } | |
116c20d2 | 1564 | |
c2f09c75 | 1565 | return TRUE; |
116c20d2 | 1566 | |
c2f09c75 TG |
1567 | err: |
1568 | _bfd_stringtab_free (strtab); | |
1569 | return FALSE; | |
116c20d2 NC |
1570 | } |
1571 | ||
7f307238 IS |
1572 | /* Write a dysymtab command. |
1573 | TODO: Possibly coalesce writes of smaller objects. */ | |
1574 | ||
1575 | static bfd_boolean | |
1576 | bfd_mach_o_write_dysymtab (bfd *abfd, bfd_mach_o_load_command *command) | |
1577 | { | |
1578 | bfd_mach_o_dysymtab_command *cmd = &command->command.dysymtab; | |
1579 | ||
1580 | BFD_ASSERT (command->type == BFD_MACH_O_LC_DYSYMTAB); | |
1581 | ||
1582 | if (cmd->nmodtab != 0) | |
1583 | { | |
1584 | unsigned int i; | |
1585 | ||
1586 | if (bfd_seek (abfd, cmd->modtaboff, SEEK_SET) != 0) | |
1587 | return FALSE; | |
1588 | ||
1589 | for (i = 0; i < cmd->nmodtab; i++) | |
1590 | { | |
1591 | bfd_mach_o_dylib_module *module = &cmd->dylib_module[i]; | |
1592 | unsigned int iinit; | |
1593 | unsigned int ninit; | |
1594 | ||
1595 | iinit = module->iinit & 0xffff; | |
1596 | iinit |= ((module->iterm & 0xffff) << 16); | |
1597 | ||
1598 | ninit = module->ninit & 0xffff; | |
1599 | ninit |= ((module->nterm & 0xffff) << 16); | |
1600 | ||
1601 | if (bfd_mach_o_wide_p (abfd)) | |
1602 | { | |
1603 | struct mach_o_dylib_module_64_external w; | |
1604 | ||
1605 | bfd_h_put_32 (abfd, module->module_name_idx, &w.module_name); | |
1606 | bfd_h_put_32 (abfd, module->iextdefsym, &w.iextdefsym); | |
1607 | bfd_h_put_32 (abfd, module->nextdefsym, &w.nextdefsym); | |
1608 | bfd_h_put_32 (abfd, module->irefsym, &w.irefsym); | |
1609 | bfd_h_put_32 (abfd, module->nrefsym, &w.nrefsym); | |
1610 | bfd_h_put_32 (abfd, module->ilocalsym, &w.ilocalsym); | |
1611 | bfd_h_put_32 (abfd, module->nlocalsym, &w.nlocalsym); | |
1612 | bfd_h_put_32 (abfd, module->iextrel, &w.iextrel); | |
1613 | bfd_h_put_32 (abfd, module->nextrel, &w.nextrel); | |
1614 | bfd_h_put_32 (abfd, iinit, &w.iinit_iterm); | |
1615 | bfd_h_put_32 (abfd, ninit, &w.ninit_nterm); | |
1616 | bfd_h_put_64 (abfd, module->objc_module_info_addr, | |
1617 | &w.objc_module_info_addr); | |
1618 | bfd_h_put_32 (abfd, module->objc_module_info_size, | |
1619 | &w.objc_module_info_size); | |
1620 | ||
1621 | if (bfd_bwrite ((void *) &w, sizeof (w), abfd) != sizeof (w)) | |
1622 | return FALSE; | |
1623 | } | |
1624 | else | |
1625 | { | |
1626 | struct mach_o_dylib_module_external n; | |
1627 | ||
1628 | bfd_h_put_32 (abfd, module->module_name_idx, &n.module_name); | |
1629 | bfd_h_put_32 (abfd, module->iextdefsym, &n.iextdefsym); | |
1630 | bfd_h_put_32 (abfd, module->nextdefsym, &n.nextdefsym); | |
1631 | bfd_h_put_32 (abfd, module->irefsym, &n.irefsym); | |
1632 | bfd_h_put_32 (abfd, module->nrefsym, &n.nrefsym); | |
1633 | bfd_h_put_32 (abfd, module->ilocalsym, &n.ilocalsym); | |
1634 | bfd_h_put_32 (abfd, module->nlocalsym, &n.nlocalsym); | |
1635 | bfd_h_put_32 (abfd, module->iextrel, &n.iextrel); | |
1636 | bfd_h_put_32 (abfd, module->nextrel, &n.nextrel); | |
1637 | bfd_h_put_32 (abfd, iinit, &n.iinit_iterm); | |
1638 | bfd_h_put_32 (abfd, ninit, &n.ninit_nterm); | |
1639 | bfd_h_put_32 (abfd, module->objc_module_info_addr, | |
1640 | &n.objc_module_info_addr); | |
1641 | bfd_h_put_32 (abfd, module->objc_module_info_size, | |
1642 | &n.objc_module_info_size); | |
1643 | ||
1644 | if (bfd_bwrite ((void *) &n, sizeof (n), abfd) != sizeof (n)) | |
1645 | return FALSE; | |
1646 | } | |
1647 | } | |
1648 | } | |
1649 | ||
1650 | if (cmd->ntoc != 0) | |
1651 | { | |
1652 | unsigned int i; | |
1653 | ||
1654 | if (bfd_seek (abfd, cmd->tocoff, SEEK_SET) != 0) | |
1655 | return FALSE; | |
1656 | ||
1657 | for (i = 0; i < cmd->ntoc; i++) | |
1658 | { | |
1659 | struct mach_o_dylib_table_of_contents_external raw; | |
1660 | bfd_mach_o_dylib_table_of_content *toc = &cmd->dylib_toc[i]; | |
1661 | ||
1662 | bfd_h_put_32 (abfd, toc->symbol_index, &raw.symbol_index); | |
1663 | bfd_h_put_32 (abfd, toc->module_index, &raw.module_index); | |
1664 | ||
1665 | if (bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
1666 | return FALSE; | |
1667 | } | |
1668 | } | |
68ffbac6 | 1669 | |
7f307238 IS |
1670 | if (cmd->nindirectsyms > 0) |
1671 | { | |
1672 | unsigned int i; | |
1673 | ||
1674 | if (bfd_seek (abfd, cmd->indirectsymoff, SEEK_SET) != 0) | |
1675 | return FALSE; | |
1676 | ||
1677 | for (i = 0; i < cmd->nindirectsyms; ++i) | |
1678 | { | |
1679 | unsigned char raw[4]; | |
1680 | ||
1681 | bfd_h_put_32 (abfd, cmd->indirect_syms[i], &raw); | |
1682 | if (bfd_bwrite (raw, sizeof (raw), abfd) != sizeof (raw)) | |
1683 | return FALSE; | |
68ffbac6 | 1684 | } |
7f307238 IS |
1685 | } |
1686 | ||
1687 | if (cmd->nextrefsyms != 0) | |
1688 | { | |
1689 | unsigned int i; | |
1690 | ||
1691 | if (bfd_seek (abfd, cmd->extrefsymoff, SEEK_SET) != 0) | |
1692 | return FALSE; | |
1693 | ||
1694 | for (i = 0; i < cmd->nextrefsyms; i++) | |
1695 | { | |
1696 | unsigned long v; | |
1697 | unsigned char raw[4]; | |
1698 | bfd_mach_o_dylib_reference *ref = &cmd->ext_refs[i]; | |
1699 | ||
1700 | /* Fields isym and flags are written as bit-fields, thus we need | |
1701 | a specific processing for endianness. */ | |
1702 | ||
1703 | if (bfd_big_endian (abfd)) | |
1704 | { | |
1705 | v = ((ref->isym & 0xffffff) << 8); | |
1706 | v |= ref->flags & 0xff; | |
1707 | } | |
1708 | else | |
1709 | { | |
1710 | v = ref->isym & 0xffffff; | |
1711 | v |= ((ref->flags & 0xff) << 24); | |
1712 | } | |
1713 | ||
1714 | bfd_h_put_32 (abfd, v, raw); | |
1715 | if (bfd_bwrite (raw, sizeof (raw), abfd) != sizeof (raw)) | |
1716 | return FALSE; | |
1717 | } | |
1718 | } | |
1719 | ||
1720 | /* The command. */ | |
1721 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0) | |
1722 | return FALSE; | |
1723 | else | |
1724 | { | |
1725 | struct mach_o_dysymtab_command_external raw; | |
1726 | ||
1727 | bfd_h_put_32 (abfd, cmd->ilocalsym, &raw.ilocalsym); | |
1728 | bfd_h_put_32 (abfd, cmd->nlocalsym, &raw.nlocalsym); | |
1729 | bfd_h_put_32 (abfd, cmd->iextdefsym, &raw.iextdefsym); | |
1730 | bfd_h_put_32 (abfd, cmd->nextdefsym, &raw.nextdefsym); | |
1731 | bfd_h_put_32 (abfd, cmd->iundefsym, &raw.iundefsym); | |
1732 | bfd_h_put_32 (abfd, cmd->nundefsym, &raw.nundefsym); | |
1733 | bfd_h_put_32 (abfd, cmd->tocoff, &raw.tocoff); | |
1734 | bfd_h_put_32 (abfd, cmd->ntoc, &raw.ntoc); | |
1735 | bfd_h_put_32 (abfd, cmd->modtaboff, &raw.modtaboff); | |
1736 | bfd_h_put_32 (abfd, cmd->nmodtab, &raw.nmodtab); | |
1737 | bfd_h_put_32 (abfd, cmd->extrefsymoff, &raw.extrefsymoff); | |
1738 | bfd_h_put_32 (abfd, cmd->nextrefsyms, &raw.nextrefsyms); | |
1739 | bfd_h_put_32 (abfd, cmd->indirectsymoff, &raw.indirectsymoff); | |
1740 | bfd_h_put_32 (abfd, cmd->nindirectsyms, &raw.nindirectsyms); | |
1741 | bfd_h_put_32 (abfd, cmd->extreloff, &raw.extreloff); | |
1742 | bfd_h_put_32 (abfd, cmd->nextrel, &raw.nextrel); | |
1743 | bfd_h_put_32 (abfd, cmd->locreloff, &raw.locreloff); | |
1744 | bfd_h_put_32 (abfd, cmd->nlocrel, &raw.nlocrel); | |
1745 | ||
1746 | if (bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
1747 | return FALSE; | |
1748 | } | |
1749 | ||
1750 | return TRUE; | |
1751 | } | |
1752 | ||
1753 | static unsigned | |
b22161d6 | 1754 | bfd_mach_o_primary_symbol_sort_key (bfd_mach_o_asymbol *s) |
7f307238 | 1755 | { |
b22161d6 | 1756 | unsigned mtyp = s->n_type & BFD_MACH_O_N_TYPE; |
68588f95 IS |
1757 | |
1758 | /* Just leave debug symbols where they are (pretend they are local, and | |
1759 | then they will just be sorted on position). */ | |
b22161d6 | 1760 | if (s->n_type & BFD_MACH_O_N_STAB) |
68588f95 IS |
1761 | return 0; |
1762 | ||
7f307238 | 1763 | /* Local (we should never see an undefined local AFAICT). */ |
b22161d6 | 1764 | if (! (s->n_type & (BFD_MACH_O_N_EXT | BFD_MACH_O_N_PEXT))) |
7f307238 IS |
1765 | return 0; |
1766 | ||
1767 | /* Common symbols look like undefined externs. */ | |
68588f95 | 1768 | if (mtyp == BFD_MACH_O_N_UNDF) |
7f307238 IS |
1769 | return 2; |
1770 | ||
b22161d6 | 1771 | /* A defined non-local, non-debug symbol. */ |
7f307238 IS |
1772 | return 1; |
1773 | } | |
1774 | ||
1775 | static int | |
1776 | bfd_mach_o_cf_symbols (const void *a, const void *b) | |
1777 | { | |
1778 | bfd_mach_o_asymbol *sa = *(bfd_mach_o_asymbol **) a; | |
1779 | bfd_mach_o_asymbol *sb = *(bfd_mach_o_asymbol **) b; | |
1780 | unsigned int soa, sob; | |
1781 | ||
b22161d6 IS |
1782 | soa = bfd_mach_o_primary_symbol_sort_key (sa); |
1783 | sob = bfd_mach_o_primary_symbol_sort_key (sb); | |
7f307238 IS |
1784 | if (soa < sob) |
1785 | return -1; | |
1786 | ||
1787 | if (soa > sob) | |
1788 | return 1; | |
1789 | ||
68588f95 | 1790 | /* If it's local or stab, just preserve the input order. */ |
7f307238 IS |
1791 | if (soa == 0) |
1792 | { | |
1793 | if (sa->symbol.udata.i < sb->symbol.udata.i) | |
1794 | return -1; | |
1795 | if (sa->symbol.udata.i > sb->symbol.udata.i) | |
1796 | return 1; | |
b22161d6 IS |
1797 | |
1798 | /* This is probably an error. */ | |
7f307238 IS |
1799 | return 0; |
1800 | } | |
1801 | ||
b22161d6 IS |
1802 | /* The second sort key is name. */ |
1803 | return strcmp (sa->symbol.name, sb->symbol.name); | |
7f307238 IS |
1804 | } |
1805 | ||
1806 | /* Process the symbols. | |
1807 | ||
1808 | This should be OK for single-module files - but it is not likely to work | |
1809 | for multi-module shared libraries. | |
1810 | ||
1811 | (a) If the application has not filled in the relevant mach-o fields, make | |
1812 | an estimate. | |
1813 | ||
1814 | (b) Order them, like this: | |
1815 | ( i) local. | |
1816 | (unsorted) | |
1817 | ( ii) external defined | |
1818 | (by name) | |
b22161d6 | 1819 | (iii) external undefined/common |
7f307238 IS |
1820 | (by name) |
1821 | ( iv) common | |
1822 | (by name) | |
b22161d6 | 1823 | */ |
92bc0e80 TG |
1824 | |
1825 | static bfd_boolean | |
b22161d6 | 1826 | bfd_mach_o_mangle_symbols (bfd *abfd) |
92bc0e80 TG |
1827 | { |
1828 | unsigned long i; | |
1829 | asymbol **symbols = bfd_get_outsymbols (abfd); | |
1830 | ||
7f307238 IS |
1831 | if (symbols == NULL || bfd_get_symcount (abfd) == 0) |
1832 | return TRUE; | |
1833 | ||
92bc0e80 TG |
1834 | for (i = 0; i < bfd_get_symcount (abfd); i++) |
1835 | { | |
1836 | bfd_mach_o_asymbol *s = (bfd_mach_o_asymbol *)symbols[i]; | |
1837 | ||
b22161d6 IS |
1838 | /* We use this value, which is out-of-range as a symbol index, to signal |
1839 | that the mach-o-specific data are not filled in and need to be created | |
1840 | from the bfd values. It is much preferable for the application to do | |
1841 | this, since more meaningful diagnostics can be made that way. */ | |
1842 | ||
1843 | if (s->symbol.udata.i == SYM_MACHO_FIELDS_UNSET) | |
92bc0e80 | 1844 | { |
b22161d6 IS |
1845 | /* No symbol information has been set - therefore determine |
1846 | it from the bfd symbol flags/info. */ | |
92bc0e80 TG |
1847 | if (s->symbol.section == bfd_abs_section_ptr) |
1848 | s->n_type = BFD_MACH_O_N_ABS; | |
1849 | else if (s->symbol.section == bfd_und_section_ptr) | |
1850 | { | |
1851 | s->n_type = BFD_MACH_O_N_UNDF; | |
1852 | if (s->symbol.flags & BSF_WEAK) | |
1853 | s->n_desc |= BFD_MACH_O_N_WEAK_REF; | |
7f307238 IS |
1854 | /* mach-o automatically makes undefined symbols extern. */ |
1855 | s->n_type |= BFD_MACH_O_N_EXT; | |
b22161d6 | 1856 | s->symbol.flags |= BSF_GLOBAL; |
92bc0e80 TG |
1857 | } |
1858 | else if (s->symbol.section == bfd_com_section_ptr) | |
b22161d6 IS |
1859 | { |
1860 | s->n_type = BFD_MACH_O_N_UNDF | BFD_MACH_O_N_EXT; | |
1861 | s->symbol.flags |= BSF_GLOBAL; | |
1862 | } | |
92bc0e80 TG |
1863 | else |
1864 | s->n_type = BFD_MACH_O_N_SECT; | |
68ffbac6 | 1865 | |
92bc0e80 TG |
1866 | if (s->symbol.flags & BSF_GLOBAL) |
1867 | s->n_type |= BFD_MACH_O_N_EXT; | |
1868 | } | |
1869 | ||
7f307238 | 1870 | /* Put the section index in, where required. */ |
68588f95 | 1871 | if ((s->symbol.section != bfd_abs_section_ptr |
92bc0e80 TG |
1872 | && s->symbol.section != bfd_und_section_ptr |
1873 | && s->symbol.section != bfd_com_section_ptr) | |
68588f95 IS |
1874 | || ((s->n_type & BFD_MACH_O_N_STAB) != 0 |
1875 | && s->symbol.name == NULL)) | |
1876 | s->n_sect = s->symbol.section->target_index; | |
92bc0e80 | 1877 | |
b22161d6 IS |
1878 | /* Number to preserve order for local and debug syms. */ |
1879 | s->symbol.udata.i = i; | |
7f307238 IS |
1880 | } |
1881 | ||
b22161d6 IS |
1882 | /* Sort the symbols. */ |
1883 | qsort ((void *) symbols, (size_t) bfd_get_symcount (abfd), | |
1884 | sizeof (asymbol *), bfd_mach_o_cf_symbols); | |
7f307238 | 1885 | |
b22161d6 IS |
1886 | for (i = 0; i < bfd_get_symcount (abfd); ++i) |
1887 | { | |
1888 | bfd_mach_o_asymbol *s = (bfd_mach_o_asymbol *)symbols[i]; | |
1889 | s->symbol.udata.i = i; /* renumber. */ | |
7f307238 IS |
1890 | } |
1891 | ||
1892 | return TRUE; | |
1893 | } | |
1894 | ||
1895 | /* We build a flat table of sections, which can be re-ordered if necessary. | |
1896 | Fill in the section number and other mach-o-specific data. */ | |
1897 | ||
1898 | static bfd_boolean | |
1899 | bfd_mach_o_mangle_sections (bfd *abfd, bfd_mach_o_data_struct *mdata) | |
1900 | { | |
1901 | asection *sec; | |
1902 | unsigned target_index; | |
1903 | unsigned nsect; | |
1904 | ||
1905 | nsect = bfd_count_sections (abfd); | |
68ffbac6 | 1906 | |
7f307238 IS |
1907 | /* Don't do it if it's already set - assume the application knows what it's |
1908 | doing. */ | |
1909 | if (mdata->nsects == nsect | |
1910 | && (mdata->nsects == 0 || mdata->sections != NULL)) | |
1911 | return TRUE; | |
1912 | ||
1913 | mdata->nsects = nsect; | |
68ffbac6 | 1914 | mdata->sections = bfd_alloc (abfd, |
7f307238 IS |
1915 | mdata->nsects * sizeof (bfd_mach_o_section *)); |
1916 | if (mdata->sections == NULL) | |
1917 | return FALSE; | |
1918 | ||
1919 | /* We need to check that this can be done... */ | |
1920 | if (nsect > 255) | |
1921 | (*_bfd_error_handler) (_("mach-o: there are too many sections (%d)" | |
1922 | " maximum is 255,\n"), nsect); | |
1923 | ||
1924 | /* Create Mach-O sections. | |
68ffbac6 | 1925 | Section type, attribute and align should have been set when the |
7f307238 IS |
1926 | section was created - either read in or specified. */ |
1927 | target_index = 0; | |
1928 | for (sec = abfd->sections; sec; sec = sec->next) | |
1929 | { | |
1930 | unsigned bfd_align = bfd_get_section_alignment (abfd, sec); | |
1931 | bfd_mach_o_section *msect = bfd_mach_o_get_mach_o_section (sec); | |
1932 | ||
1933 | mdata->sections[target_index] = msect; | |
1934 | ||
1935 | msect->addr = bfd_get_section_vma (abfd, sec); | |
1936 | msect->size = bfd_get_section_size (sec); | |
1937 | ||
68ffbac6 | 1938 | /* Use the largest alignment set, in case it was bumped after the |
7f307238 IS |
1939 | section was created. */ |
1940 | msect->align = msect->align > bfd_align ? msect->align : bfd_align; | |
1941 | ||
1942 | msect->offset = 0; | |
1943 | sec->target_index = ++target_index; | |
92bc0e80 | 1944 | } |
7f307238 | 1945 | |
92bc0e80 TG |
1946 | return TRUE; |
1947 | } | |
1948 | ||
154a1ee5 | 1949 | bfd_boolean |
116c20d2 | 1950 | bfd_mach_o_write_contents (bfd *abfd) |
3af9a47b NC |
1951 | { |
1952 | unsigned int i; | |
046b007d | 1953 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
3af9a47b | 1954 | |
7f307238 | 1955 | /* Make the commands, if not already present. */ |
92bc0e80 TG |
1956 | if (mdata->header.ncmds == 0) |
1957 | if (!bfd_mach_o_build_commands (abfd)) | |
1958 | return FALSE; | |
1959 | ||
154a1ee5 | 1960 | if (!bfd_mach_o_write_header (abfd, &mdata->header)) |
b34976b6 | 1961 | return FALSE; |
3af9a47b NC |
1962 | |
1963 | for (i = 0; i < mdata->header.ncmds; i++) | |
1964 | { | |
46d1c23b | 1965 | struct mach_o_load_command_external raw; |
3af9a47b NC |
1966 | bfd_mach_o_load_command *cur = &mdata->commands[i]; |
1967 | unsigned long typeflag; | |
1968 | ||
154a1ee5 | 1969 | typeflag = cur->type | (cur->type_required ? BFD_MACH_O_LC_REQ_DYLD : 0); |
3af9a47b | 1970 | |
46d1c23b TG |
1971 | bfd_h_put_32 (abfd, typeflag, raw.cmd); |
1972 | bfd_h_put_32 (abfd, cur->len, raw.cmdsize); | |
3af9a47b | 1973 | |
c2f09c75 | 1974 | if (bfd_seek (abfd, cur->offset, SEEK_SET) != 0 |
46d1c23b | 1975 | || bfd_bwrite (&raw, BFD_MACH_O_LC_SIZE, abfd) != 8) |
b34976b6 | 1976 | return FALSE; |
3af9a47b NC |
1977 | |
1978 | switch (cur->type) | |
1979 | { | |
1980 | case BFD_MACH_O_LC_SEGMENT: | |
ab273af8 | 1981 | if (bfd_mach_o_write_segment_32 (abfd, cur) != 0) |
1e8a024a TG |
1982 | return FALSE; |
1983 | break; | |
1984 | case BFD_MACH_O_LC_SEGMENT_64: | |
ab273af8 | 1985 | if (bfd_mach_o_write_segment_64 (abfd, cur) != 0) |
b34976b6 | 1986 | return FALSE; |
3af9a47b NC |
1987 | break; |
1988 | case BFD_MACH_O_LC_SYMTAB: | |
ab273af8 | 1989 | if (!bfd_mach_o_write_symtab (abfd, cur)) |
b34976b6 | 1990 | return FALSE; |
3af9a47b | 1991 | break; |
7f307238 IS |
1992 | case BFD_MACH_O_LC_DYSYMTAB: |
1993 | if (!bfd_mach_o_write_dysymtab (abfd, cur)) | |
1994 | return FALSE; | |
1995 | break; | |
3af9a47b NC |
1996 | case BFD_MACH_O_LC_SYMSEG: |
1997 | break; | |
1998 | case BFD_MACH_O_LC_THREAD: | |
1999 | case BFD_MACH_O_LC_UNIXTHREAD: | |
ab273af8 | 2000 | if (bfd_mach_o_write_thread (abfd, cur) != 0) |
b34976b6 | 2001 | return FALSE; |
3af9a47b NC |
2002 | break; |
2003 | case BFD_MACH_O_LC_LOADFVMLIB: | |
2004 | case BFD_MACH_O_LC_IDFVMLIB: | |
2005 | case BFD_MACH_O_LC_IDENT: | |
2006 | case BFD_MACH_O_LC_FVMFILE: | |
2007 | case BFD_MACH_O_LC_PREPAGE: | |
3af9a47b NC |
2008 | case BFD_MACH_O_LC_LOAD_DYLIB: |
2009 | case BFD_MACH_O_LC_LOAD_WEAK_DYLIB: | |
2010 | case BFD_MACH_O_LC_ID_DYLIB: | |
046b007d | 2011 | case BFD_MACH_O_LC_REEXPORT_DYLIB: |
73017762 | 2012 | case BFD_MACH_O_LC_LOAD_UPWARD_DYLIB: |
3af9a47b NC |
2013 | case BFD_MACH_O_LC_LOAD_DYLINKER: |
2014 | case BFD_MACH_O_LC_ID_DYLINKER: | |
2015 | case BFD_MACH_O_LC_PREBOUND_DYLIB: | |
2016 | case BFD_MACH_O_LC_ROUTINES: | |
2017 | case BFD_MACH_O_LC_SUB_FRAMEWORK: | |
2018 | break; | |
2019 | default: | |
3cc27770 TG |
2020 | (*_bfd_error_handler) |
2021 | (_("unable to write unknown load command 0x%lx"), | |
2022 | (unsigned long) cur->type); | |
b34976b6 | 2023 | return FALSE; |
3af9a47b NC |
2024 | } |
2025 | } | |
2026 | ||
b34976b6 | 2027 | return TRUE; |
3af9a47b NC |
2028 | } |
2029 | ||
f1bde64c TG |
2030 | static void |
2031 | bfd_mach_o_append_section_to_segment (bfd_mach_o_segment_command *seg, | |
2032 | asection *sec) | |
2033 | { | |
2034 | bfd_mach_o_section *s = (bfd_mach_o_section *)sec->used_by_bfd; | |
2035 | if (seg->sect_head == NULL) | |
2036 | seg->sect_head = s; | |
2037 | else | |
2038 | seg->sect_tail->next = s; | |
2039 | seg->sect_tail = s; | |
2040 | } | |
2041 | ||
2042 | /* Create section Mach-O flags from BFD flags. */ | |
2043 | ||
2044 | static void | |
3cc27770 TG |
2045 | bfd_mach_o_set_section_flags_from_bfd (bfd *abfd ATTRIBUTE_UNUSED, |
2046 | asection *sec) | |
f1bde64c TG |
2047 | { |
2048 | flagword bfd_flags; | |
2049 | bfd_mach_o_section *s = bfd_mach_o_get_mach_o_section (sec); | |
2050 | ||
2051 | /* Create default flags. */ | |
2052 | bfd_flags = bfd_get_section_flags (abfd, sec); | |
2053 | if ((bfd_flags & SEC_CODE) == SEC_CODE) | |
2054 | s->flags = BFD_MACH_O_S_ATTR_PURE_INSTRUCTIONS | |
2055 | | BFD_MACH_O_S_ATTR_SOME_INSTRUCTIONS | |
2056 | | BFD_MACH_O_S_REGULAR; | |
2057 | else if ((bfd_flags & (SEC_ALLOC | SEC_LOAD)) == SEC_ALLOC) | |
2058 | s->flags = BFD_MACH_O_S_ZEROFILL; | |
2059 | else if (bfd_flags & SEC_DEBUGGING) | |
2060 | s->flags = BFD_MACH_O_S_REGULAR | BFD_MACH_O_S_ATTR_DEBUG; | |
2061 | else | |
2062 | s->flags = BFD_MACH_O_S_REGULAR; | |
2063 | } | |
2064 | ||
7f307238 IS |
2065 | /* Count the number of sections in the list for the segment named. |
2066 | ||
2067 | The special case of NULL or "" for the segment name is valid for | |
68ffbac6 L |
2068 | an MH_OBJECT file and means 'all sections available'. |
2069 | ||
2070 | Requires that the sections table in mdata be filled in. | |
7f307238 IS |
2071 | |
2072 | Returns the number of sections (0 is valid). | |
2073 | Any number > 255 signals an invalid section count, although we will, | |
2074 | perhaps, allow the file to be written (in line with Darwin tools up | |
68ffbac6 L |
2075 | to XCode 4). |
2076 | ||
7f307238 IS |
2077 | A section count of (unsigned long) -1 signals a definite error. */ |
2078 | ||
2079 | static unsigned long | |
2080 | bfd_mach_o_count_sections_for_seg (const char *segment, | |
2081 | bfd_mach_o_data_struct *mdata) | |
2082 | { | |
2083 | unsigned i,j; | |
2084 | if (mdata == NULL || mdata->sections == NULL) | |
2085 | return (unsigned long) -1; | |
2086 | ||
2087 | /* The MH_OBJECT case, all sections are considered; Although nsects is | |
2088 | is an unsigned long, the maximum valid section count is 255 and this | |
2089 | will have been checked already by mangle_sections. */ | |
2090 | if (segment == NULL || segment[0] == '\0') | |
2091 | return mdata->nsects; | |
2092 | ||
2093 | /* Count the number of sections we see in this segment. */ | |
2094 | j = 0; | |
2095 | for (i = 0; i < mdata->nsects; ++i) | |
2096 | { | |
2097 | bfd_mach_o_section *s = mdata->sections[i]; | |
2098 | if (strncmp (segment, s->segname, BFD_MACH_O_SEGNAME_SIZE) == 0) | |
2099 | j++; | |
2100 | } | |
2101 | return j; | |
2102 | } | |
2103 | ||
2104 | static bfd_boolean | |
2105 | bfd_mach_o_build_seg_command (const char *segment, | |
2106 | bfd_mach_o_data_struct *mdata, | |
2107 | bfd_mach_o_segment_command *seg) | |
2108 | { | |
2109 | unsigned i; | |
2110 | int is_mho = (segment == NULL || segment[0] == '\0'); | |
2111 | ||
2112 | /* Fill segment command. */ | |
2113 | if (is_mho) | |
2114 | memset (seg->segname, 0, sizeof (seg->segname)); | |
2115 | else | |
2116 | strncpy (seg->segname, segment, sizeof (seg->segname)); | |
2117 | ||
2118 | /* TODO: fix this up for non-MH_OBJECT cases. */ | |
2119 | seg->vmaddr = 0; | |
e5081f2f | 2120 | seg->vmsize = 0; |
7f307238 IS |
2121 | |
2122 | seg->fileoff = mdata->filelen; | |
2123 | seg->filesize = 0; | |
2124 | seg->maxprot = BFD_MACH_O_PROT_READ | BFD_MACH_O_PROT_WRITE | |
2125 | | BFD_MACH_O_PROT_EXECUTE; | |
2126 | seg->initprot = seg->maxprot; | |
2127 | seg->flags = 0; | |
2128 | seg->sect_head = NULL; | |
2129 | seg->sect_tail = NULL; | |
2130 | ||
68ffbac6 | 2131 | /* Append sections to the segment. |
09903f4b IS |
2132 | |
2133 | This is a little tedious, we have to honor the need to account zerofill | |
2134 | sections after all the rest. This forces us to do the calculation of | |
68ffbac6 | 2135 | total vmsize in three passes so that any alignment increments are |
09903f4b | 2136 | properly accounted. */ |
7f307238 IS |
2137 | |
2138 | for (i = 0; i < mdata->nsects; ++i) | |
2139 | { | |
2140 | bfd_mach_o_section *s = mdata->sections[i]; | |
2141 | asection *sec = s->bfdsection; | |
2142 | ||
2143 | /* If we're not making an MH_OBJECT, check whether this section is from | |
2144 | our segment, and skip if not. Otherwise, just add all sections. */ | |
68ffbac6 | 2145 | if (! is_mho |
7f307238 IS |
2146 | && strncmp (segment, s->segname, BFD_MACH_O_SEGNAME_SIZE) != 0) |
2147 | continue; | |
2148 | ||
09903f4b IS |
2149 | /* Although we account for zerofill section sizes in vm order, they are |
2150 | placed in the file in source sequence. */ | |
7f307238 | 2151 | bfd_mach_o_append_section_to_segment (seg, sec); |
e5081f2f | 2152 | s->offset = 0; |
68ffbac6 L |
2153 | |
2154 | /* Zerofill sections have zero file size & offset, | |
e5081f2f IS |
2155 | and are not written. */ |
2156 | if ((s->flags & BFD_MACH_O_SECTION_TYPE_MASK) == BFD_MACH_O_S_ZEROFILL | |
68ffbac6 | 2157 | || (s->flags & BFD_MACH_O_SECTION_TYPE_MASK) |
e5081f2f IS |
2158 | == BFD_MACH_O_S_GB_ZEROFILL) |
2159 | continue; | |
2160 | ||
2161 | if (s->size > 0) | |
7f307238 | 2162 | { |
09903f4b IS |
2163 | seg->vmsize = FILE_ALIGN (seg->vmsize, s->align); |
2164 | seg->vmsize += s->size; | |
2165 | ||
2166 | seg->filesize = FILE_ALIGN (seg->filesize, s->align); | |
2167 | seg->filesize += s->size; | |
2168 | ||
7f307238 IS |
2169 | mdata->filelen = FILE_ALIGN (mdata->filelen, s->align); |
2170 | s->offset = mdata->filelen; | |
2171 | } | |
2172 | ||
2173 | sec->filepos = s->offset; | |
7f307238 IS |
2174 | mdata->filelen += s->size; |
2175 | } | |
2176 | ||
3cc27770 TG |
2177 | /* Now pass through again, for zerofill, only now we just update the |
2178 | vmsize. */ | |
09903f4b IS |
2179 | for (i = 0; i < mdata->nsects; ++i) |
2180 | { | |
2181 | bfd_mach_o_section *s = mdata->sections[i]; | |
2182 | ||
2183 | if ((s->flags & BFD_MACH_O_SECTION_TYPE_MASK) != BFD_MACH_O_S_ZEROFILL) | |
2184 | continue; | |
2185 | ||
68ffbac6 | 2186 | if (! is_mho |
09903f4b IS |
2187 | && strncmp (segment, s->segname, BFD_MACH_O_SEGNAME_SIZE) != 0) |
2188 | continue; | |
2189 | ||
2190 | if (s->size > 0) | |
2191 | { | |
2192 | seg->vmsize = FILE_ALIGN (seg->vmsize, s->align); | |
2193 | seg->vmsize += s->size; | |
2194 | } | |
2195 | } | |
2196 | ||
2197 | /* Now pass through again, for zerofill_GB. */ | |
2198 | for (i = 0; i < mdata->nsects; ++i) | |
2199 | { | |
2200 | bfd_mach_o_section *s = mdata->sections[i]; | |
68ffbac6 | 2201 | |
09903f4b IS |
2202 | if ((s->flags & BFD_MACH_O_SECTION_TYPE_MASK) != BFD_MACH_O_S_GB_ZEROFILL) |
2203 | continue; | |
2204 | ||
68ffbac6 | 2205 | if (! is_mho |
09903f4b IS |
2206 | && strncmp (segment, s->segname, BFD_MACH_O_SEGNAME_SIZE) != 0) |
2207 | continue; | |
2208 | ||
2209 | if (s->size > 0) | |
2210 | { | |
2211 | seg->vmsize = FILE_ALIGN (seg->vmsize, s->align); | |
2212 | seg->vmsize += s->size; | |
2213 | } | |
2214 | } | |
bb76d940 | 2215 | |
09903f4b | 2216 | /* Allocate space for the relocations. */ |
bb76d940 IS |
2217 | mdata->filelen = FILE_ALIGN(mdata->filelen, 2); |
2218 | ||
2219 | for (i = 0; i < mdata->nsects; ++i) | |
2220 | { | |
2221 | bfd_mach_o_section *ms = mdata->sections[i]; | |
2222 | asection *sec = ms->bfdsection; | |
68ffbac6 | 2223 | |
bb76d940 IS |
2224 | if ((ms->nreloc = sec->reloc_count) == 0) |
2225 | { | |
2226 | ms->reloff = 0; | |
2227 | continue; | |
2228 | } | |
2229 | sec->rel_filepos = mdata->filelen; | |
2230 | ms->reloff = sec->rel_filepos; | |
2231 | mdata->filelen += sec->reloc_count * BFD_MACH_O_RELENT_SIZE; | |
2232 | } | |
7f307238 IS |
2233 | |
2234 | return TRUE; | |
2235 | } | |
2236 | ||
50d10658 IS |
2237 | /* Count the number of indirect symbols in the image. |
2238 | Requires that the sections are in their final order. */ | |
2239 | ||
2240 | static unsigned int | |
2241 | bfd_mach_o_count_indirect_symbols (bfd *abfd, bfd_mach_o_data_struct *mdata) | |
2242 | { | |
2243 | unsigned int i; | |
2244 | unsigned int nisyms = 0; | |
2245 | ||
2246 | for (i = 0; i < mdata->nsects; ++i) | |
2247 | { | |
2248 | bfd_mach_o_section *sec = mdata->sections[i]; | |
2249 | ||
2250 | switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK) | |
2251 | { | |
2252 | case BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS: | |
2253 | case BFD_MACH_O_S_LAZY_SYMBOL_POINTERS: | |
2254 | case BFD_MACH_O_S_SYMBOL_STUBS: | |
2255 | nisyms += bfd_mach_o_section_get_nbr_indirect (abfd, sec); | |
2256 | break; | |
2257 | default: | |
2258 | break; | |
2259 | } | |
2260 | } | |
2261 | return nisyms; | |
2262 | } | |
2263 | ||
7f307238 IS |
2264 | static bfd_boolean |
2265 | bfd_mach_o_build_dysymtab_command (bfd *abfd, | |
2266 | bfd_mach_o_data_struct *mdata, | |
2267 | bfd_mach_o_load_command *cmd) | |
2268 | { | |
2269 | bfd_mach_o_dysymtab_command *dsym = &cmd->command.dysymtab; | |
2270 | ||
2271 | /* TODO: | |
2272 | We are not going to try and fill these in yet and, moreover, we are | |
2273 | going to bail if they are already set. */ | |
2274 | if (dsym->nmodtab != 0 | |
2275 | || dsym->ntoc != 0 | |
2276 | || dsym->nextrefsyms != 0) | |
2277 | { | |
2278 | (*_bfd_error_handler) (_("sorry: modtab, toc and extrefsyms are not yet" | |
2279 | " implemented for dysymtab commands.")); | |
2280 | return FALSE; | |
2281 | } | |
2282 | ||
2283 | dsym->ilocalsym = 0; | |
7f307238 | 2284 | |
b22161d6 | 2285 | if (bfd_get_symcount (abfd) > 0) |
7f307238 | 2286 | { |
b22161d6 IS |
2287 | asymbol **symbols = bfd_get_outsymbols (abfd); |
2288 | unsigned long i; | |
2289 | ||
2290 | /* Count the number of each kind of symbol. */ | |
2291 | for (i = 0; i < bfd_get_symcount (abfd); ++i) | |
2292 | { | |
2293 | bfd_mach_o_asymbol *s = (bfd_mach_o_asymbol *)symbols[i]; | |
2294 | if (s->n_type & (BFD_MACH_O_N_EXT | BFD_MACH_O_N_PEXT)) | |
2295 | break; | |
2296 | } | |
2297 | dsym->nlocalsym = i; | |
2298 | dsym->iextdefsym = i; | |
2299 | for (; i < bfd_get_symcount (abfd); ++i) | |
2300 | { | |
2301 | bfd_mach_o_asymbol *s = (bfd_mach_o_asymbol *)symbols[i]; | |
2302 | if ((s->n_type & BFD_MACH_O_N_TYPE) == BFD_MACH_O_N_UNDF) | |
2303 | break; | |
2304 | } | |
2305 | dsym->nextdefsym = i - dsym->nlocalsym; | |
2306 | dsym->iundefsym = dsym->nextdefsym + dsym->iextdefsym; | |
68ffbac6 L |
2307 | dsym->nundefsym = bfd_get_symcount (abfd) |
2308 | - dsym->nlocalsym | |
b22161d6 IS |
2309 | - dsym->nextdefsym; |
2310 | } | |
2311 | else | |
2312 | { | |
2313 | dsym->nlocalsym = 0; | |
2314 | dsym->iextdefsym = 0; | |
2315 | dsym->nextdefsym = 0; | |
2316 | dsym->iundefsym = 0; | |
2317 | dsym->nundefsym = 0; | |
2318 | } | |
2319 | ||
50d10658 | 2320 | dsym->nindirectsyms = bfd_mach_o_count_indirect_symbols (abfd, mdata); |
b22161d6 IS |
2321 | if (dsym->nindirectsyms > 0) |
2322 | { | |
2323 | unsigned i; | |
50d10658 | 2324 | unsigned n; |
7f307238 IS |
2325 | |
2326 | mdata->filelen = FILE_ALIGN (mdata->filelen, 2); | |
2327 | dsym->indirectsymoff = mdata->filelen; | |
b22161d6 | 2328 | mdata->filelen += dsym->nindirectsyms * 4; |
68ffbac6 | 2329 | |
b22161d6 | 2330 | dsym->indirect_syms = bfd_zalloc (abfd, dsym->nindirectsyms * 4); |
7f307238 IS |
2331 | if (dsym->indirect_syms == NULL) |
2332 | return FALSE; | |
68ffbac6 | 2333 | |
50d10658 IS |
2334 | n = 0; |
2335 | for (i = 0; i < mdata->nsects; ++i) | |
7f307238 | 2336 | { |
50d10658 IS |
2337 | bfd_mach_o_section *sec = mdata->sections[i]; |
2338 | ||
2339 | switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK) | |
2340 | { | |
2341 | case BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS: | |
2342 | case BFD_MACH_O_S_LAZY_SYMBOL_POINTERS: | |
2343 | case BFD_MACH_O_S_SYMBOL_STUBS: | |
2344 | { | |
2345 | unsigned j, num; | |
2346 | bfd_mach_o_asymbol **isyms = sec->indirect_syms; | |
68ffbac6 | 2347 | |
50d10658 IS |
2348 | num = bfd_mach_o_section_get_nbr_indirect (abfd, sec); |
2349 | if (isyms == NULL || num == 0) | |
2350 | break; | |
2351 | /* Record the starting index in the reserved1 field. */ | |
2352 | sec->reserved1 = n; | |
2353 | for (j = 0; j < num; j++, n++) | |
2354 | { | |
2355 | if (isyms[j] == NULL) | |
2356 | dsym->indirect_syms[n] = BFD_MACH_O_INDIRECT_SYM_LOCAL; | |
687be931 IS |
2357 | else if (isyms[j]->symbol.section == bfd_abs_section_ptr |
2358 | && ! (isyms[j]->n_type & BFD_MACH_O_N_EXT)) | |
2359 | dsym->indirect_syms[n] = BFD_MACH_O_INDIRECT_SYM_LOCAL | |
2360 | | BFD_MACH_O_INDIRECT_SYM_ABS; | |
50d10658 IS |
2361 | else |
2362 | dsym->indirect_syms[n] = isyms[j]->symbol.udata.i; | |
2363 | } | |
2364 | } | |
2365 | break; | |
2366 | default: | |
2367 | break; | |
2368 | } | |
7f307238 IS |
2369 | } |
2370 | } | |
2371 | ||
2372 | return TRUE; | |
2373 | } | |
2374 | ||
2375 | /* Build Mach-O load commands (currently assuming an MH_OBJECT file). | |
2376 | TODO: Other file formats, rebuilding symtab/dysymtab commands for strip | |
2377 | and copy functionality. */ | |
154a1ee5 TG |
2378 | |
2379 | bfd_boolean | |
2380 | bfd_mach_o_build_commands (bfd *abfd) | |
2381 | { | |
046b007d | 2382 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
bbd56171 IS |
2383 | unsigned wide = mach_o_wide_p (&mdata->header); |
2384 | int segcmd_idx = -1; | |
2385 | int symtab_idx = -1; | |
2386 | int dysymtab_idx = -1; | |
2387 | unsigned long base_offset = 0; | |
154a1ee5 | 2388 | |
7f307238 | 2389 | /* Return now if commands are already present. */ |
154a1ee5 TG |
2390 | if (mdata->header.ncmds) |
2391 | return FALSE; | |
2392 | ||
7f307238 | 2393 | /* Fill in the file type, if not already set. */ |
154a1ee5 | 2394 | |
7f307238 | 2395 | if (mdata->header.filetype == 0) |
154a1ee5 | 2396 | { |
7f307238 IS |
2397 | if (abfd->flags & EXEC_P) |
2398 | mdata->header.filetype = BFD_MACH_O_MH_EXECUTE; | |
2399 | else if (abfd->flags & DYNAMIC) | |
2400 | mdata->header.filetype = BFD_MACH_O_MH_DYLIB; | |
2401 | else | |
2402 | mdata->header.filetype = BFD_MACH_O_MH_OBJECT; | |
154a1ee5 | 2403 | } |
7f307238 IS |
2404 | |
2405 | /* If hasn't already been done, flatten sections list, and sort | |
2406 | if/when required. Must be done before the symbol table is adjusted, | |
2407 | since that depends on properly numbered sections. */ | |
2408 | if (mdata->nsects == 0 || mdata->sections == NULL) | |
2409 | if (! bfd_mach_o_mangle_sections (abfd, mdata)) | |
2410 | return FALSE; | |
2411 | ||
2412 | /* Order the symbol table, fill-in/check mach-o specific fields and | |
2413 | partition out any indirect symbols. */ | |
b22161d6 | 2414 | if (!bfd_mach_o_mangle_symbols (abfd)) |
7f307238 IS |
2415 | return FALSE; |
2416 | ||
bbd56171 IS |
2417 | /* Very simple command set (only really applicable to MH_OBJECTs): |
2418 | All the commands are optional - present only when there is suitable data. | |
2419 | (i.e. it is valid to have an empty file) | |
2420 | ||
2421 | a command (segment) to contain all the sections, | |
2422 | command for the symbol table, | |
68ffbac6 | 2423 | a command for the dysymtab. |
bbd56171 IS |
2424 | |
2425 | ??? maybe we should assert that this is an MH_OBJECT? */ | |
2426 | ||
7f307238 | 2427 | if (mdata->nsects > 0) |
154a1ee5 | 2428 | { |
bbd56171 | 2429 | segcmd_idx = 0; |
7f307238 | 2430 | mdata->header.ncmds = 1; |
154a1ee5 | 2431 | } |
154a1ee5 | 2432 | |
7f307238 | 2433 | if (bfd_get_symcount (abfd) > 0) |
bbd56171 IS |
2434 | { |
2435 | mdata->header.ncmds++; | |
2436 | symtab_idx = segcmd_idx + 1; /* 0 if the seg command is absent. */ | |
2437 | } | |
c2f09c75 | 2438 | |
bbd56171 IS |
2439 | /* FIXME: |
2440 | This is a rather crude test for whether we should build a dysymtab. */ | |
2441 | if (bfd_mach_o_should_emit_dysymtab () | |
2442 | && bfd_get_symcount (abfd)) | |
2443 | { | |
2444 | mdata->header.ncmds++; | |
2445 | /* If there should be a case where a dysymtab could be emitted without | |
2446 | a symtab (seems improbable), this would need amending. */ | |
2447 | dysymtab_idx = symtab_idx + 1; | |
2448 | } | |
154a1ee5 | 2449 | |
bbd56171 IS |
2450 | if (wide) |
2451 | base_offset = BFD_MACH_O_HEADER_64_SIZE; | |
2452 | else | |
2453 | base_offset = BFD_MACH_O_HEADER_SIZE; | |
c2f09c75 | 2454 | |
bbd56171 IS |
2455 | /* Well, we must have a header, at least. */ |
2456 | mdata->filelen = base_offset; | |
f1bde64c | 2457 | |
bbd56171 | 2458 | /* A bit unusual, but no content is valid; |
7f307238 IS |
2459 | as -n empty.s -o empty.o */ |
2460 | if (mdata->header.ncmds == 0) | |
2461 | return TRUE; | |
f1bde64c | 2462 | |
7f307238 IS |
2463 | mdata->commands = bfd_zalloc (abfd, mdata->header.ncmds |
2464 | * sizeof (bfd_mach_o_load_command)); | |
2465 | if (mdata->commands == NULL) | |
2466 | return FALSE; | |
2467 | ||
bbd56171 | 2468 | if (segcmd_idx >= 0) |
68ffbac6 | 2469 | { |
bbd56171 IS |
2470 | bfd_mach_o_load_command *cmd = &mdata->commands[segcmd_idx]; |
2471 | bfd_mach_o_segment_command *seg = &cmd->command.segment; | |
7f307238 IS |
2472 | |
2473 | /* Count the segctions in the special blank segment used for MH_OBJECT. */ | |
2474 | seg->nsects = bfd_mach_o_count_sections_for_seg (NULL, mdata); | |
2475 | if (seg->nsects == (unsigned long) -1) | |
2476 | return FALSE; | |
2477 | ||
2478 | /* Init segment command. */ | |
bbd56171 | 2479 | cmd->offset = base_offset; |
7f307238 IS |
2480 | if (wide) |
2481 | { | |
2482 | cmd->type = BFD_MACH_O_LC_SEGMENT_64; | |
7f307238 IS |
2483 | cmd->len = BFD_MACH_O_LC_SEGMENT_64_SIZE |
2484 | + BFD_MACH_O_SECTION_64_SIZE * seg->nsects; | |
2485 | } | |
92bc0e80 | 2486 | else |
7f307238 IS |
2487 | { |
2488 | cmd->type = BFD_MACH_O_LC_SEGMENT; | |
7f307238 IS |
2489 | cmd->len = BFD_MACH_O_LC_SEGMENT_SIZE |
2490 | + BFD_MACH_O_SECTION_SIZE * seg->nsects; | |
2491 | } | |
bbd56171 | 2492 | |
7f307238 IS |
2493 | cmd->type_required = FALSE; |
2494 | mdata->header.sizeofcmds = cmd->len; | |
bbd56171 | 2495 | mdata->filelen += cmd->len; |
7f307238 | 2496 | } |
f1bde64c | 2497 | |
bbd56171 | 2498 | if (symtab_idx >= 0) |
7f307238 IS |
2499 | { |
2500 | /* Init symtab command. */ | |
bbd56171 | 2501 | bfd_mach_o_load_command *cmd = &mdata->commands[symtab_idx]; |
68ffbac6 | 2502 | |
bbd56171 IS |
2503 | cmd->type = BFD_MACH_O_LC_SYMTAB; |
2504 | cmd->offset = base_offset; | |
2505 | if (segcmd_idx >= 0) | |
2506 | cmd->offset += mdata->commands[segcmd_idx].len; | |
2507 | ||
2508 | cmd->len = sizeof (struct mach_o_symtab_command_external) | |
2509 | + BFD_MACH_O_LC_SIZE; | |
2510 | cmd->type_required = FALSE; | |
2511 | mdata->header.sizeofcmds += cmd->len; | |
2512 | mdata->filelen += cmd->len; | |
7f307238 | 2513 | } |
154a1ee5 | 2514 | |
bbd56171 IS |
2515 | /* If required, setup symtab command, see comment above about the quality |
2516 | of this test. */ | |
2517 | if (dysymtab_idx >= 0) | |
7f307238 | 2518 | { |
bbd56171 IS |
2519 | bfd_mach_o_load_command *cmd = &mdata->commands[dysymtab_idx]; |
2520 | ||
7f307238 | 2521 | cmd->type = BFD_MACH_O_LC_DYSYMTAB; |
bbd56171 | 2522 | if (symtab_idx >= 0) |
68ffbac6 | 2523 | cmd->offset = mdata->commands[symtab_idx].offset |
bbd56171 IS |
2524 | + mdata->commands[symtab_idx].len; |
2525 | else if (segcmd_idx >= 0) | |
68ffbac6 | 2526 | cmd->offset = mdata->commands[segcmd_idx].offset |
bbd56171 IS |
2527 | + mdata->commands[segcmd_idx].len; |
2528 | else | |
2529 | cmd->offset = base_offset; | |
2530 | ||
7f307238 | 2531 | cmd->type_required = FALSE; |
bbd56171 IS |
2532 | cmd->len = sizeof (struct mach_o_dysymtab_command_external) |
2533 | + BFD_MACH_O_LC_SIZE; | |
7f307238 IS |
2534 | |
2535 | mdata->header.sizeofcmds += cmd->len; | |
2536 | mdata->filelen += cmd->len; | |
154a1ee5 | 2537 | } |
154a1ee5 | 2538 | |
7f307238 IS |
2539 | /* So, now we have sized the commands and the filelen set to that. |
2540 | Now we can build the segment command and set the section file offsets. */ | |
bbd56171 | 2541 | if (segcmd_idx >= 0 |
68ffbac6 | 2542 | && ! bfd_mach_o_build_seg_command |
bbd56171 | 2543 | (NULL, mdata, &mdata->commands[segcmd_idx].command.segment)) |
7f307238 IS |
2544 | return FALSE; |
2545 | ||
2546 | /* If we're doing a dysymtab, cmd points to its load command. */ | |
bbd56171 | 2547 | if (dysymtab_idx >= 0 |
68ffbac6 | 2548 | && ! bfd_mach_o_build_dysymtab_command (abfd, mdata, |
bbd56171 | 2549 | &mdata->commands[dysymtab_idx])) |
7f307238 IS |
2550 | return FALSE; |
2551 | ||
2552 | /* The symtab command is filled in when the symtab is written. */ | |
154a1ee5 TG |
2553 | return TRUE; |
2554 | } | |
2555 | ||
2556 | /* Set the contents of a section. */ | |
2557 | ||
2558 | bfd_boolean | |
2559 | bfd_mach_o_set_section_contents (bfd *abfd, | |
2560 | asection *section, | |
2561 | const void * location, | |
2562 | file_ptr offset, | |
2563 | bfd_size_type count) | |
2564 | { | |
2565 | file_ptr pos; | |
2566 | ||
7f307238 IS |
2567 | /* Trying to write the first section contents will trigger the creation of |
2568 | the load commands if they are not already present. */ | |
154a1ee5 TG |
2569 | if (! abfd->output_has_begun && ! bfd_mach_o_build_commands (abfd)) |
2570 | return FALSE; | |
2571 | ||
2572 | if (count == 0) | |
2573 | return TRUE; | |
2574 | ||
2575 | pos = section->filepos + offset; | |
2576 | if (bfd_seek (abfd, pos, SEEK_SET) != 0 | |
2577 | || bfd_bwrite (location, count, abfd) != count) | |
2578 | return FALSE; | |
2579 | ||
2580 | return TRUE; | |
2581 | } | |
2582 | ||
2583 | int | |
116c20d2 | 2584 | bfd_mach_o_sizeof_headers (bfd *a ATTRIBUTE_UNUSED, |
a6b96beb | 2585 | struct bfd_link_info *info ATTRIBUTE_UNUSED) |
3af9a47b NC |
2586 | { |
2587 | return 0; | |
2588 | } | |
2589 | ||
2590 | /* Make an empty symbol. This is required only because | |
2591 | bfd_make_section_anyway wants to create a symbol for the section. */ | |
2592 | ||
154a1ee5 | 2593 | asymbol * |
116c20d2 | 2594 | bfd_mach_o_make_empty_symbol (bfd *abfd) |
3af9a47b | 2595 | { |
d3ce72d0 NC |
2596 | asymbol *new_symbol; |
2597 | ||
2598 | new_symbol = bfd_zalloc (abfd, sizeof (bfd_mach_o_asymbol)); | |
2599 | if (new_symbol == NULL) | |
2600 | return new_symbol; | |
2601 | new_symbol->the_bfd = abfd; | |
b22161d6 | 2602 | new_symbol->udata.i = SYM_MACHO_FIELDS_UNSET; |
d3ce72d0 | 2603 | return new_symbol; |
3af9a47b NC |
2604 | } |
2605 | ||
154a1ee5 | 2606 | static bfd_boolean |
116c20d2 | 2607 | bfd_mach_o_read_header (bfd *abfd, bfd_mach_o_header *header) |
3af9a47b | 2608 | { |
46d1c23b | 2609 | struct mach_o_header_external raw; |
1e8a024a | 2610 | unsigned int size; |
edeb6e24 | 2611 | bfd_vma (*get32) (const void *) = NULL; |
3af9a47b | 2612 | |
1e8a024a | 2613 | /* Just read the magic number. */ |
c2f09c75 | 2614 | if (bfd_seek (abfd, 0, SEEK_SET) != 0 |
46d1c23b | 2615 | || bfd_bread (raw.magic, sizeof (raw.magic), abfd) != 4) |
154a1ee5 | 2616 | return FALSE; |
3af9a47b | 2617 | |
46d1c23b | 2618 | if (bfd_getb32 (raw.magic) == BFD_MACH_O_MH_MAGIC) |
3af9a47b NC |
2619 | { |
2620 | header->byteorder = BFD_ENDIAN_BIG; | |
154a1ee5 | 2621 | header->magic = BFD_MACH_O_MH_MAGIC; |
1e8a024a | 2622 | header->version = 1; |
3af9a47b NC |
2623 | get32 = bfd_getb32; |
2624 | } | |
46d1c23b | 2625 | else if (bfd_getl32 (raw.magic) == BFD_MACH_O_MH_MAGIC) |
3af9a47b | 2626 | { |
a95a4550 | 2627 | header->byteorder = BFD_ENDIAN_LITTLE; |
154a1ee5 | 2628 | header->magic = BFD_MACH_O_MH_MAGIC; |
1e8a024a TG |
2629 | header->version = 1; |
2630 | get32 = bfd_getl32; | |
2631 | } | |
46d1c23b | 2632 | else if (bfd_getb32 (raw.magic) == BFD_MACH_O_MH_MAGIC_64) |
1e8a024a TG |
2633 | { |
2634 | header->byteorder = BFD_ENDIAN_BIG; | |
154a1ee5 | 2635 | header->magic = BFD_MACH_O_MH_MAGIC_64; |
1e8a024a TG |
2636 | header->version = 2; |
2637 | get32 = bfd_getb32; | |
2638 | } | |
46d1c23b | 2639 | else if (bfd_getl32 (raw.magic) == BFD_MACH_O_MH_MAGIC_64) |
1e8a024a TG |
2640 | { |
2641 | header->byteorder = BFD_ENDIAN_LITTLE; | |
154a1ee5 | 2642 | header->magic = BFD_MACH_O_MH_MAGIC_64; |
1e8a024a | 2643 | header->version = 2; |
3af9a47b NC |
2644 | get32 = bfd_getl32; |
2645 | } | |
2646 | else | |
2647 | { | |
2648 | header->byteorder = BFD_ENDIAN_UNKNOWN; | |
154a1ee5 | 2649 | return FALSE; |
3af9a47b | 2650 | } |
a95a4550 | 2651 | |
1e8a024a | 2652 | /* Once the size of the header is known, read the full header. */ |
c2f09c75 | 2653 | size = mach_o_wide_p (header) ? |
154a1ee5 | 2654 | BFD_MACH_O_HEADER_64_SIZE : BFD_MACH_O_HEADER_SIZE; |
1e8a024a | 2655 | |
c2f09c75 | 2656 | if (bfd_seek (abfd, 0, SEEK_SET) != 0 |
46d1c23b | 2657 | || bfd_bread (&raw, size, abfd) != size) |
154a1ee5 | 2658 | return FALSE; |
1e8a024a | 2659 | |
46d1c23b TG |
2660 | header->cputype = (*get32) (raw.cputype); |
2661 | header->cpusubtype = (*get32) (raw.cpusubtype); | |
2662 | header->filetype = (*get32) (raw.filetype); | |
2663 | header->ncmds = (*get32) (raw.ncmds); | |
2664 | header->sizeofcmds = (*get32) (raw.sizeofcmds); | |
2665 | header->flags = (*get32) (raw.flags); | |
3af9a47b | 2666 | |
c2f09c75 | 2667 | if (mach_o_wide_p (header)) |
46d1c23b | 2668 | header->reserved = (*get32) (raw.reserved); |
facf03f2 TG |
2669 | else |
2670 | header->reserved = 0; | |
1e8a024a | 2671 | |
154a1ee5 | 2672 | return TRUE; |
3af9a47b NC |
2673 | } |
2674 | ||
f1bde64c TG |
2675 | bfd_boolean |
2676 | bfd_mach_o_new_section_hook (bfd *abfd, asection *sec) | |
2677 | { | |
2678 | bfd_mach_o_section *s; | |
a4551119 | 2679 | unsigned bfdalign = bfd_get_section_alignment (abfd, sec); |
f1bde64c TG |
2680 | |
2681 | s = bfd_mach_o_get_mach_o_section (sec); | |
2682 | if (s == NULL) | |
2683 | { | |
2684 | flagword bfd_flags; | |
a4551119 | 2685 | static const mach_o_section_name_xlat * xlat; |
f1bde64c TG |
2686 | |
2687 | s = (bfd_mach_o_section *) bfd_zalloc (abfd, sizeof (*s)); | |
2688 | if (s == NULL) | |
2689 | return FALSE; | |
2690 | sec->used_by_bfd = s; | |
2691 | s->bfdsection = sec; | |
2692 | ||
a4551119 TG |
2693 | /* Create the Darwin seg/sect name pair from the bfd name. |
2694 | If this is a canonical name for which a specific paiting exists | |
2695 | there will also be defined flags, type, attribute and alignment | |
2696 | values. */ | |
2697 | xlat = bfd_mach_o_convert_section_name_to_mach_o (abfd, sec, s); | |
2698 | if (xlat != NULL) | |
2699 | { | |
2700 | s->flags = xlat->macho_sectype | xlat->macho_secattr; | |
68ffbac6 | 2701 | s->align = xlat->sectalign > bfdalign ? xlat->sectalign |
a4551119 | 2702 | : bfdalign; |
a253d456 | 2703 | (void) bfd_set_section_alignment (abfd, sec, s->align); |
a4551119 TG |
2704 | bfd_flags = bfd_get_section_flags (abfd, sec); |
2705 | if (bfd_flags == SEC_NO_FLAGS) | |
2706 | bfd_set_section_flags (abfd, sec, xlat->bfd_flags); | |
2707 | } | |
f1bde64c | 2708 | else |
a4551119 TG |
2709 | /* Create default flags. */ |
2710 | bfd_mach_o_set_section_flags_from_bfd (abfd, sec); | |
f1bde64c TG |
2711 | } |
2712 | ||
2713 | return _bfd_generic_new_section_hook (abfd, sec); | |
2714 | } | |
2715 | ||
2716 | static void | |
2717 | bfd_mach_o_init_section_from_mach_o (bfd *abfd, asection *sec, | |
2718 | unsigned long prot) | |
3af9a47b | 2719 | { |
117ed4f8 | 2720 | flagword flags; |
f1bde64c | 2721 | bfd_mach_o_section *section; |
3af9a47b | 2722 | |
f1bde64c TG |
2723 | flags = bfd_get_section_flags (abfd, sec); |
2724 | section = bfd_mach_o_get_mach_o_section (sec); | |
3af9a47b | 2725 | |
a4551119 TG |
2726 | /* TODO: see if we should use the xlat system for doing this by |
2727 | preference and fall back to this for unknown sections. */ | |
2728 | ||
8462aec7 | 2729 | if (flags == SEC_NO_FLAGS) |
ef17cb22 | 2730 | { |
8462aec7 TG |
2731 | /* Try to guess flags. */ |
2732 | if (section->flags & BFD_MACH_O_S_ATTR_DEBUG) | |
2733 | flags = SEC_DEBUGGING; | |
2734 | else | |
2735 | { | |
2736 | flags = SEC_ALLOC; | |
2737 | if ((section->flags & BFD_MACH_O_SECTION_TYPE_MASK) | |
2738 | != BFD_MACH_O_S_ZEROFILL) | |
2739 | { | |
2740 | flags |= SEC_LOAD; | |
2741 | if (prot & BFD_MACH_O_PROT_EXECUTE) | |
2742 | flags |= SEC_CODE; | |
2743 | if (prot & BFD_MACH_O_PROT_WRITE) | |
2744 | flags |= SEC_DATA; | |
2745 | else if (prot & BFD_MACH_O_PROT_READ) | |
2746 | flags |= SEC_READONLY; | |
2747 | } | |
2748 | } | |
ef17cb22 | 2749 | } |
15e1c58a TG |
2750 | else |
2751 | { | |
8462aec7 TG |
2752 | if ((flags & SEC_DEBUGGING) == 0) |
2753 | flags |= SEC_ALLOC; | |
15e1c58a | 2754 | } |
8462aec7 TG |
2755 | |
2756 | if (section->offset != 0) | |
2757 | flags |= SEC_HAS_CONTENTS; | |
92bc0e80 TG |
2758 | if (section->nreloc != 0) |
2759 | flags |= SEC_RELOC; | |
2760 | ||
f1bde64c TG |
2761 | bfd_set_section_flags (abfd, sec, flags); |
2762 | ||
2763 | sec->vma = section->addr; | |
2764 | sec->lma = section->addr; | |
2765 | sec->size = section->size; | |
2766 | sec->filepos = section->offset; | |
2767 | sec->alignment_power = section->align; | |
2768 | sec->segment_mark = 0; | |
2769 | sec->reloc_count = section->nreloc; | |
2770 | sec->rel_filepos = section->reloff; | |
2771 | } | |
2772 | ||
2773 | static asection * | |
2774 | bfd_mach_o_make_bfd_section (bfd *abfd, | |
2775 | const unsigned char *segname, | |
2776 | const unsigned char *sectname) | |
2777 | { | |
2778 | const char *sname; | |
2779 | flagword flags; | |
a95a4550 | 2780 | |
f1bde64c TG |
2781 | bfd_mach_o_convert_section_name_to_bfd |
2782 | (abfd, (const char *)segname, (const char *)sectname, &sname, &flags); | |
2783 | if (sname == NULL) | |
2784 | return NULL; | |
3af9a47b | 2785 | |
f1bde64c | 2786 | return bfd_make_section_anyway_with_flags (abfd, sname, flags); |
3af9a47b NC |
2787 | } |
2788 | ||
f1bde64c | 2789 | static asection * |
ab273af8 | 2790 | bfd_mach_o_read_section_32 (bfd *abfd, |
ab273af8 TG |
2791 | unsigned int offset, |
2792 | unsigned long prot) | |
3af9a47b | 2793 | { |
46d1c23b | 2794 | struct mach_o_section_32_external raw; |
f1bde64c TG |
2795 | asection *sec; |
2796 | bfd_mach_o_section *section; | |
3af9a47b | 2797 | |
c2f09c75 | 2798 | if (bfd_seek (abfd, offset, SEEK_SET) != 0 |
46d1c23b | 2799 | || (bfd_bread (&raw, BFD_MACH_O_SECTION_SIZE, abfd) |
c2f09c75 | 2800 | != BFD_MACH_O_SECTION_SIZE)) |
f1bde64c | 2801 | return NULL; |
a95a4550 | 2802 | |
5a5cbf72 | 2803 | sec = bfd_mach_o_make_bfd_section (abfd, raw.segname, raw.sectname); |
f1bde64c TG |
2804 | if (sec == NULL) |
2805 | return NULL; | |
2806 | ||
2807 | section = bfd_mach_o_get_mach_o_section (sec); | |
2808 | memcpy (section->segname, raw.segname, sizeof (raw.segname)); | |
2809 | section->segname[BFD_MACH_O_SEGNAME_SIZE] = 0; | |
2810 | memcpy (section->sectname, raw.sectname, sizeof (raw.sectname)); | |
69499dca | 2811 | section->sectname[BFD_MACH_O_SECTNAME_SIZE] = 0; |
46d1c23b TG |
2812 | section->addr = bfd_h_get_32 (abfd, raw.addr); |
2813 | section->size = bfd_h_get_32 (abfd, raw.size); | |
2814 | section->offset = bfd_h_get_32 (abfd, raw.offset); | |
2815 | section->align = bfd_h_get_32 (abfd, raw.align); | |
2816 | section->reloff = bfd_h_get_32 (abfd, raw.reloff); | |
2817 | section->nreloc = bfd_h_get_32 (abfd, raw.nreloc); | |
2818 | section->flags = bfd_h_get_32 (abfd, raw.flags); | |
2819 | section->reserved1 = bfd_h_get_32 (abfd, raw.reserved1); | |
2820 | section->reserved2 = bfd_h_get_32 (abfd, raw.reserved2); | |
1e8a024a | 2821 | section->reserved3 = 0; |
1e8a024a | 2822 | |
f1bde64c | 2823 | bfd_mach_o_init_section_from_mach_o (abfd, sec, prot); |
1e8a024a | 2824 | |
f1bde64c | 2825 | return sec; |
1e8a024a TG |
2826 | } |
2827 | ||
f1bde64c | 2828 | static asection * |
ab273af8 | 2829 | bfd_mach_o_read_section_64 (bfd *abfd, |
ab273af8 TG |
2830 | unsigned int offset, |
2831 | unsigned long prot) | |
1e8a024a | 2832 | { |
46d1c23b | 2833 | struct mach_o_section_64_external raw; |
f1bde64c TG |
2834 | asection *sec; |
2835 | bfd_mach_o_section *section; | |
1e8a024a | 2836 | |
c2f09c75 | 2837 | if (bfd_seek (abfd, offset, SEEK_SET) != 0 |
46d1c23b | 2838 | || (bfd_bread (&raw, BFD_MACH_O_SECTION_64_SIZE, abfd) |
c2f09c75 | 2839 | != BFD_MACH_O_SECTION_64_SIZE)) |
f1bde64c TG |
2840 | return NULL; |
2841 | ||
5a5cbf72 | 2842 | sec = bfd_mach_o_make_bfd_section (abfd, raw.segname, raw.sectname); |
f1bde64c TG |
2843 | if (sec == NULL) |
2844 | return NULL; | |
1e8a024a | 2845 | |
f1bde64c TG |
2846 | section = bfd_mach_o_get_mach_o_section (sec); |
2847 | memcpy (section->segname, raw.segname, sizeof (raw.segname)); | |
2848 | section->segname[BFD_MACH_O_SEGNAME_SIZE] = 0; | |
2849 | memcpy (section->sectname, raw.sectname, sizeof (raw.sectname)); | |
69499dca | 2850 | section->sectname[BFD_MACH_O_SECTNAME_SIZE] = 0; |
46d1c23b TG |
2851 | section->addr = bfd_h_get_64 (abfd, raw.addr); |
2852 | section->size = bfd_h_get_64 (abfd, raw.size); | |
2853 | section->offset = bfd_h_get_32 (abfd, raw.offset); | |
2854 | section->align = bfd_h_get_32 (abfd, raw.align); | |
2855 | section->reloff = bfd_h_get_32 (abfd, raw.reloff); | |
2856 | section->nreloc = bfd_h_get_32 (abfd, raw.nreloc); | |
2857 | section->flags = bfd_h_get_32 (abfd, raw.flags); | |
2858 | section->reserved1 = bfd_h_get_32 (abfd, raw.reserved1); | |
2859 | section->reserved2 = bfd_h_get_32 (abfd, raw.reserved2); | |
2860 | section->reserved3 = bfd_h_get_32 (abfd, raw.reserved3); | |
3af9a47b | 2861 | |
f1bde64c | 2862 | bfd_mach_o_init_section_from_mach_o (abfd, sec, prot); |
3af9a47b | 2863 | |
f1bde64c | 2864 | return sec; |
3af9a47b NC |
2865 | } |
2866 | ||
f1bde64c | 2867 | static asection * |
ab273af8 | 2868 | bfd_mach_o_read_section (bfd *abfd, |
ab273af8 TG |
2869 | unsigned int offset, |
2870 | unsigned long prot, | |
2871 | unsigned int wide) | |
1e8a024a TG |
2872 | { |
2873 | if (wide) | |
f1bde64c | 2874 | return bfd_mach_o_read_section_64 (abfd, offset, prot); |
1e8a024a | 2875 | else |
f1bde64c | 2876 | return bfd_mach_o_read_section_32 (abfd, offset, prot); |
1e8a024a TG |
2877 | } |
2878 | ||
afbb9e17 | 2879 | static bfd_boolean |
ab273af8 TG |
2880 | bfd_mach_o_read_symtab_symbol (bfd *abfd, |
2881 | bfd_mach_o_symtab_command *sym, | |
2882 | bfd_mach_o_asymbol *s, | |
2883 | unsigned long i) | |
3af9a47b | 2884 | { |
046b007d | 2885 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
c2f09c75 | 2886 | unsigned int wide = mach_o_wide_p (&mdata->header); |
046b007d TG |
2887 | unsigned int symwidth = |
2888 | wide ? BFD_MACH_O_NLIST_64_SIZE : BFD_MACH_O_NLIST_SIZE; | |
92bc0e80 | 2889 | unsigned int symoff = sym->symoff + (i * symwidth); |
46d1c23b | 2890 | struct mach_o_nlist_64_external raw; |
3af9a47b NC |
2891 | unsigned char type = -1; |
2892 | unsigned char section = -1; | |
2893 | short desc = -1; | |
1e8a024a | 2894 | symvalue value = -1; |
3af9a47b NC |
2895 | unsigned long stroff = -1; |
2896 | unsigned int symtype = -1; | |
2897 | ||
2898 | BFD_ASSERT (sym->strtab != NULL); | |
2899 | ||
c2f09c75 | 2900 | if (bfd_seek (abfd, symoff, SEEK_SET) != 0 |
46d1c23b | 2901 | || bfd_bread (&raw, symwidth, abfd) != symwidth) |
3af9a47b | 2902 | { |
46d1c23b TG |
2903 | (*_bfd_error_handler) |
2904 | (_("bfd_mach_o_read_symtab_symbol: unable to read %d bytes at %lu"), | |
2905 | symwidth, (unsigned long) symoff); | |
afbb9e17 | 2906 | return FALSE; |
3af9a47b NC |
2907 | } |
2908 | ||
46d1c23b TG |
2909 | stroff = bfd_h_get_32 (abfd, raw.n_strx); |
2910 | type = bfd_h_get_8 (abfd, raw.n_type); | |
c2f09c75 | 2911 | symtype = type & BFD_MACH_O_N_TYPE; |
46d1c23b TG |
2912 | section = bfd_h_get_8 (abfd, raw.n_sect); |
2913 | desc = bfd_h_get_16 (abfd, raw.n_desc); | |
1e8a024a | 2914 | if (wide) |
46d1c23b | 2915 | value = bfd_h_get_64 (abfd, raw.n_value); |
1e8a024a | 2916 | else |
46d1c23b | 2917 | value = bfd_h_get_32 (abfd, raw.n_value); |
3af9a47b NC |
2918 | |
2919 | if (stroff >= sym->strsize) | |
2920 | { | |
46d1c23b TG |
2921 | (*_bfd_error_handler) |
2922 | (_("bfd_mach_o_read_symtab_symbol: name out of range (%lu >= %lu)"), | |
2923 | (unsigned long) stroff, | |
2924 | (unsigned long) sym->strsize); | |
afbb9e17 | 2925 | return FALSE; |
3af9a47b NC |
2926 | } |
2927 | ||
92bc0e80 TG |
2928 | s->symbol.the_bfd = abfd; |
2929 | s->symbol.name = sym->strtab + stroff; | |
2930 | s->symbol.value = value; | |
2931 | s->symbol.flags = 0x0; | |
b22161d6 | 2932 | s->symbol.udata.i = i; |
92bc0e80 TG |
2933 | s->n_type = type; |
2934 | s->n_sect = section; | |
2935 | s->n_desc = desc; | |
3af9a47b NC |
2936 | |
2937 | if (type & BFD_MACH_O_N_STAB) | |
2938 | { | |
92bc0e80 TG |
2939 | s->symbol.flags |= BSF_DEBUGGING; |
2940 | s->symbol.section = bfd_und_section_ptr; | |
15e1c58a TG |
2941 | switch (type) |
2942 | { | |
2943 | case N_FUN: | |
2944 | case N_STSYM: | |
2945 | case N_LCSYM: | |
2946 | case N_BNSYM: | |
2947 | case N_SLINE: | |
2948 | case N_ENSYM: | |
2949 | case N_ECOMM: | |
2950 | case N_ECOML: | |
2951 | case N_GSYM: | |
2952 | if ((section > 0) && (section <= mdata->nsects)) | |
2953 | { | |
92bc0e80 TG |
2954 | s->symbol.section = mdata->sections[section - 1]->bfdsection; |
2955 | s->symbol.value = | |
2956 | s->symbol.value - mdata->sections[section - 1]->addr; | |
15e1c58a TG |
2957 | } |
2958 | break; | |
2959 | } | |
3af9a47b NC |
2960 | } |
2961 | else | |
2962 | { | |
b22161d6 | 2963 | if (type & (BFD_MACH_O_N_PEXT | BFD_MACH_O_N_EXT)) |
92bc0e80 | 2964 | s->symbol.flags |= BSF_GLOBAL; |
b22161d6 | 2965 | else |
92bc0e80 | 2966 | s->symbol.flags |= BSF_LOCAL; |
3af9a47b NC |
2967 | |
2968 | switch (symtype) | |
2969 | { | |
2970 | case BFD_MACH_O_N_UNDF: | |
c2f09c75 | 2971 | if (type == (BFD_MACH_O_N_UNDF | BFD_MACH_O_N_EXT) |
92bc0e80 | 2972 | && s->symbol.value != 0) |
c2f09c75 TG |
2973 | { |
2974 | /* A common symbol. */ | |
92bc0e80 TG |
2975 | s->symbol.section = bfd_com_section_ptr; |
2976 | s->symbol.flags = BSF_NO_FLAGS; | |
c2f09c75 TG |
2977 | } |
2978 | else | |
92bc0e80 TG |
2979 | { |
2980 | s->symbol.section = bfd_und_section_ptr; | |
2981 | if (s->n_desc & BFD_MACH_O_N_WEAK_REF) | |
2982 | s->symbol.flags |= BSF_WEAK; | |
2983 | } | |
3af9a47b NC |
2984 | break; |
2985 | case BFD_MACH_O_N_PBUD: | |
92bc0e80 | 2986 | s->symbol.section = bfd_und_section_ptr; |
3af9a47b NC |
2987 | break; |
2988 | case BFD_MACH_O_N_ABS: | |
92bc0e80 | 2989 | s->symbol.section = bfd_abs_section_ptr; |
3af9a47b NC |
2990 | break; |
2991 | case BFD_MACH_O_N_SECT: | |
2992 | if ((section > 0) && (section <= mdata->nsects)) | |
2993 | { | |
92bc0e80 TG |
2994 | s->symbol.section = mdata->sections[section - 1]->bfdsection; |
2995 | s->symbol.value = | |
2996 | s->symbol.value - mdata->sections[section - 1]->addr; | |
3af9a47b NC |
2997 | } |
2998 | else | |
2999 | { | |
3000 | /* Mach-O uses 0 to mean "no section"; not an error. */ | |
3001 | if (section != 0) | |
3002 | { | |
4a97a0e5 AM |
3003 | (*_bfd_error_handler) (_("bfd_mach_o_read_symtab_symbol: " |
3004 | "symbol \"%s\" specified invalid section %d (max %lu): setting to undefined"), | |
3005 | s->symbol.name, section, mdata->nsects); | |
3af9a47b | 3006 | } |
92bc0e80 | 3007 | s->symbol.section = bfd_und_section_ptr; |
3af9a47b NC |
3008 | } |
3009 | break; | |
3010 | case BFD_MACH_O_N_INDR: | |
0596a831 TG |
3011 | /* FIXME: we don't follow the BFD convention as this indirect symbol |
3012 | won't be followed by the referenced one. This looks harmless | |
3013 | unless we start using the linker. */ | |
3014 | s->symbol.flags |= BSF_INDIRECT; | |
3015 | s->symbol.section = bfd_ind_section_ptr; | |
3016 | s->symbol.value = 0; | |
3af9a47b NC |
3017 | break; |
3018 | default: | |
4a97a0e5 AM |
3019 | (*_bfd_error_handler) (_("bfd_mach_o_read_symtab_symbol: " |
3020 | "symbol \"%s\" specified invalid type field 0x%x: setting to undefined"), | |
3021 | s->symbol.name, symtype); | |
92bc0e80 | 3022 | s->symbol.section = bfd_und_section_ptr; |
3af9a47b NC |
3023 | break; |
3024 | } | |
3025 | } | |
3026 | ||
afbb9e17 | 3027 | return TRUE; |
3af9a47b NC |
3028 | } |
3029 | ||
c5012cd8 | 3030 | bfd_boolean |
ab273af8 | 3031 | bfd_mach_o_read_symtab_strtab (bfd *abfd) |
3af9a47b | 3032 | { |
046b007d TG |
3033 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
3034 | bfd_mach_o_symtab_command *sym = mdata->symtab; | |
3035 | ||
3036 | /* Fail if there is no symtab. */ | |
3037 | if (sym == NULL) | |
afbb9e17 | 3038 | return FALSE; |
046b007d TG |
3039 | |
3040 | /* Success if already loaded. */ | |
3041 | if (sym->strtab) | |
afbb9e17 | 3042 | return TRUE; |
3af9a47b NC |
3043 | |
3044 | if (abfd->flags & BFD_IN_MEMORY) | |
3045 | { | |
3046 | struct bfd_in_memory *b; | |
3047 | ||
3048 | b = (struct bfd_in_memory *) abfd->iostream; | |
3049 | ||
3050 | if ((sym->stroff + sym->strsize) > b->size) | |
3051 | { | |
3052 | bfd_set_error (bfd_error_file_truncated); | |
afbb9e17 | 3053 | return FALSE; |
3af9a47b | 3054 | } |
f075ee0c | 3055 | sym->strtab = (char *) b->buffer + sym->stroff; |
3af9a47b | 3056 | } |
046b007d | 3057 | else |
3af9a47b | 3058 | { |
046b007d TG |
3059 | sym->strtab = bfd_alloc (abfd, sym->strsize); |
3060 | if (sym->strtab == NULL) | |
afbb9e17 | 3061 | return FALSE; |
046b007d TG |
3062 | |
3063 | if (bfd_seek (abfd, sym->stroff, SEEK_SET) != 0 | |
afbb9e17 | 3064 | || bfd_bread (sym->strtab, sym->strsize, abfd) != sym->strsize) |
046b007d TG |
3065 | { |
3066 | bfd_set_error (bfd_error_file_truncated); | |
afbb9e17 | 3067 | return FALSE; |
046b007d | 3068 | } |
3af9a47b NC |
3069 | } |
3070 | ||
afbb9e17 | 3071 | return TRUE; |
3af9a47b NC |
3072 | } |
3073 | ||
c5012cd8 | 3074 | bfd_boolean |
ab273af8 | 3075 | bfd_mach_o_read_symtab_symbols (bfd *abfd) |
3af9a47b | 3076 | { |
046b007d TG |
3077 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
3078 | bfd_mach_o_symtab_command *sym = mdata->symtab; | |
3af9a47b | 3079 | unsigned long i; |
3af9a47b | 3080 | |
092d27ff TG |
3081 | if (sym == NULL || sym->symbols) |
3082 | { | |
3083 | /* Return now if there are no symbols or if already loaded. */ | |
afbb9e17 | 3084 | return TRUE; |
092d27ff | 3085 | } |
046b007d | 3086 | |
92bc0e80 | 3087 | sym->symbols = bfd_alloc (abfd, sym->nsyms * sizeof (bfd_mach_o_asymbol)); |
3af9a47b NC |
3088 | |
3089 | if (sym->symbols == NULL) | |
3090 | { | |
4a97a0e5 | 3091 | (*_bfd_error_handler) (_("bfd_mach_o_read_symtab_symbols: unable to allocate memory for symbols")); |
afbb9e17 | 3092 | return FALSE; |
3af9a47b | 3093 | } |
a95a4550 | 3094 | |
afbb9e17 TG |
3095 | if (!bfd_mach_o_read_symtab_strtab (abfd)) |
3096 | return FALSE; | |
3af9a47b NC |
3097 | |
3098 | for (i = 0; i < sym->nsyms; i++) | |
3099 | { | |
afbb9e17 TG |
3100 | if (!bfd_mach_o_read_symtab_symbol (abfd, sym, &sym->symbols[i], i)) |
3101 | return FALSE; | |
3af9a47b | 3102 | } |
a95a4550 | 3103 | |
afbb9e17 | 3104 | return TRUE; |
3af9a47b NC |
3105 | } |
3106 | ||
3107 | static const char * | |
116c20d2 | 3108 | bfd_mach_o_i386_flavour_string (unsigned int flavour) |
3af9a47b NC |
3109 | { |
3110 | switch ((int) flavour) | |
3111 | { | |
15e1c58a TG |
3112 | case BFD_MACH_O_x86_THREAD_STATE32: return "x86_THREAD_STATE32"; |
3113 | case BFD_MACH_O_x86_FLOAT_STATE32: return "x86_FLOAT_STATE32"; | |
3114 | case BFD_MACH_O_x86_EXCEPTION_STATE32: return "x86_EXCEPTION_STATE32"; | |
3115 | case BFD_MACH_O_x86_THREAD_STATE64: return "x86_THREAD_STATE64"; | |
3116 | case BFD_MACH_O_x86_FLOAT_STATE64: return "x86_FLOAT_STATE64"; | |
3117 | case BFD_MACH_O_x86_EXCEPTION_STATE64: return "x86_EXCEPTION_STATE64"; | |
3118 | case BFD_MACH_O_x86_THREAD_STATE: return "x86_THREAD_STATE"; | |
3119 | case BFD_MACH_O_x86_FLOAT_STATE: return "x86_FLOAT_STATE"; | |
3120 | case BFD_MACH_O_x86_EXCEPTION_STATE: return "x86_EXCEPTION_STATE"; | |
3121 | case BFD_MACH_O_x86_DEBUG_STATE32: return "x86_DEBUG_STATE32"; | |
3122 | case BFD_MACH_O_x86_DEBUG_STATE64: return "x86_DEBUG_STATE64"; | |
3123 | case BFD_MACH_O_x86_DEBUG_STATE: return "x86_DEBUG_STATE"; | |
b32e07d7 | 3124 | case BFD_MACH_O_x86_THREAD_STATE_NONE: return "x86_THREAD_STATE_NONE"; |
3af9a47b NC |
3125 | default: return "UNKNOWN"; |
3126 | } | |
3127 | } | |
3128 | ||
3129 | static const char * | |
116c20d2 | 3130 | bfd_mach_o_ppc_flavour_string (unsigned int flavour) |
3af9a47b NC |
3131 | { |
3132 | switch ((int) flavour) | |
3133 | { | |
b32e07d7 TG |
3134 | case BFD_MACH_O_PPC_THREAD_STATE: return "PPC_THREAD_STATE"; |
3135 | case BFD_MACH_O_PPC_FLOAT_STATE: return "PPC_FLOAT_STATE"; | |
3136 | case BFD_MACH_O_PPC_EXCEPTION_STATE: return "PPC_EXCEPTION_STATE"; | |
3137 | case BFD_MACH_O_PPC_VECTOR_STATE: return "PPC_VECTOR_STATE"; | |
3138 | case BFD_MACH_O_PPC_THREAD_STATE64: return "PPC_THREAD_STATE64"; | |
3139 | case BFD_MACH_O_PPC_EXCEPTION_STATE64: return "PPC_EXCEPTION_STATE64"; | |
3af9a47b NC |
3140 | default: return "UNKNOWN"; |
3141 | } | |
3142 | } | |
3143 | ||
3144 | static int | |
ab273af8 | 3145 | bfd_mach_o_read_dylinker (bfd *abfd, bfd_mach_o_load_command *command) |
3af9a47b NC |
3146 | { |
3147 | bfd_mach_o_dylinker_command *cmd = &command->command.dylinker; | |
46d1c23b | 3148 | struct mach_o_str_command_external raw; |
3af9a47b | 3149 | unsigned int nameoff; |
3af9a47b | 3150 | |
46d1c23b TG |
3151 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 |
3152 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
3af9a47b NC |
3153 | return -1; |
3154 | ||
46d1c23b | 3155 | nameoff = bfd_h_get_32 (abfd, raw.str); |
3af9a47b NC |
3156 | |
3157 | cmd->name_offset = command->offset + nameoff; | |
3158 | cmd->name_len = command->len - nameoff; | |
b32e07d7 TG |
3159 | cmd->name_str = bfd_alloc (abfd, cmd->name_len); |
3160 | if (cmd->name_str == NULL) | |
3af9a47b | 3161 | return -1; |
b32e07d7 TG |
3162 | if (bfd_seek (abfd, cmd->name_offset, SEEK_SET) != 0 |
3163 | || bfd_bread (cmd->name_str, cmd->name_len, abfd) != cmd->name_len) | |
3af9a47b | 3164 | return -1; |
3af9a47b NC |
3165 | return 0; |
3166 | } | |
3167 | ||
3168 | static int | |
ab273af8 | 3169 | bfd_mach_o_read_dylib (bfd *abfd, bfd_mach_o_load_command *command) |
3af9a47b NC |
3170 | { |
3171 | bfd_mach_o_dylib_command *cmd = &command->command.dylib; | |
46d1c23b | 3172 | struct mach_o_dylib_command_external raw; |
3af9a47b | 3173 | unsigned int nameoff; |
3af9a47b | 3174 | |
046b007d TG |
3175 | switch (command->type) |
3176 | { | |
3177 | case BFD_MACH_O_LC_LOAD_DYLIB: | |
fbe383b9 | 3178 | case BFD_MACH_O_LC_LAZY_LOAD_DYLIB: |
046b007d | 3179 | case BFD_MACH_O_LC_LOAD_WEAK_DYLIB: |
046b007d | 3180 | case BFD_MACH_O_LC_ID_DYLIB: |
046b007d | 3181 | case BFD_MACH_O_LC_REEXPORT_DYLIB: |
73017762 | 3182 | case BFD_MACH_O_LC_LOAD_UPWARD_DYLIB: |
046b007d TG |
3183 | break; |
3184 | default: | |
b32e07d7 TG |
3185 | BFD_FAIL (); |
3186 | return -1; | |
046b007d | 3187 | } |
3af9a47b | 3188 | |
46d1c23b TG |
3189 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 |
3190 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
3af9a47b NC |
3191 | return -1; |
3192 | ||
46d1c23b TG |
3193 | nameoff = bfd_h_get_32 (abfd, raw.name); |
3194 | cmd->timestamp = bfd_h_get_32 (abfd, raw.timestamp); | |
3195 | cmd->current_version = bfd_h_get_32 (abfd, raw.current_version); | |
3196 | cmd->compatibility_version = bfd_h_get_32 (abfd, raw.compatibility_version); | |
3af9a47b NC |
3197 | |
3198 | cmd->name_offset = command->offset + nameoff; | |
3199 | cmd->name_len = command->len - nameoff; | |
b32e07d7 TG |
3200 | cmd->name_str = bfd_alloc (abfd, cmd->name_len); |
3201 | if (cmd->name_str == NULL) | |
3af9a47b | 3202 | return -1; |
b32e07d7 TG |
3203 | if (bfd_seek (abfd, cmd->name_offset, SEEK_SET) != 0 |
3204 | || bfd_bread (cmd->name_str, cmd->name_len, abfd) != cmd->name_len) | |
3af9a47b | 3205 | return -1; |
3af9a47b NC |
3206 | return 0; |
3207 | } | |
3208 | ||
3209 | static int | |
ab273af8 TG |
3210 | bfd_mach_o_read_prebound_dylib (bfd *abfd ATTRIBUTE_UNUSED, |
3211 | bfd_mach_o_load_command *command ATTRIBUTE_UNUSED) | |
3af9a47b NC |
3212 | { |
3213 | /* bfd_mach_o_prebound_dylib_command *cmd = &command->command.prebound_dylib; */ | |
3214 | ||
3215 | BFD_ASSERT (command->type == BFD_MACH_O_LC_PREBOUND_DYLIB); | |
3216 | return 0; | |
3217 | } | |
3218 | ||
9f4a5bd1 TG |
3219 | static int |
3220 | bfd_mach_o_read_fvmlib (bfd *abfd, bfd_mach_o_load_command *command) | |
3221 | { | |
3222 | bfd_mach_o_fvmlib_command *fvm = &command->command.fvmlib; | |
3223 | struct mach_o_fvmlib_command_external raw; | |
3224 | unsigned int nameoff; | |
3225 | ||
3226 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 | |
3227 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
3228 | return -1; | |
3229 | ||
3230 | nameoff = bfd_h_get_32 (abfd, raw.name); | |
3231 | fvm->minor_version = bfd_h_get_32 (abfd, raw.minor_version); | |
3232 | fvm->header_addr = bfd_h_get_32 (abfd, raw.header_addr); | |
3233 | ||
3234 | fvm->name_offset = command->offset + nameoff; | |
3235 | fvm->name_len = command->len - nameoff; | |
3236 | fvm->name_str = bfd_alloc (abfd, fvm->name_len); | |
3237 | if (fvm->name_str == NULL) | |
3238 | return -1; | |
3239 | if (bfd_seek (abfd, fvm->name_offset, SEEK_SET) != 0 | |
3240 | || bfd_bread (fvm->name_str, fvm->name_len, abfd) != fvm->name_len) | |
3241 | return -1; | |
3242 | return 0; | |
3243 | } | |
3244 | ||
3af9a47b | 3245 | static int |
ab273af8 | 3246 | bfd_mach_o_read_thread (bfd *abfd, bfd_mach_o_load_command *command) |
3af9a47b | 3247 | { |
b32e07d7 | 3248 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
3af9a47b | 3249 | bfd_mach_o_thread_command *cmd = &command->command.thread; |
92bc0e80 | 3250 | unsigned int offset; |
3af9a47b NC |
3251 | unsigned int nflavours; |
3252 | unsigned int i; | |
3253 | ||
3254 | BFD_ASSERT ((command->type == BFD_MACH_O_LC_THREAD) | |
3255 | || (command->type == BFD_MACH_O_LC_UNIXTHREAD)); | |
3256 | ||
b32e07d7 | 3257 | /* Count the number of threads. */ |
3af9a47b NC |
3258 | offset = 8; |
3259 | nflavours = 0; | |
3260 | while (offset != command->len) | |
3261 | { | |
46d1c23b TG |
3262 | struct mach_o_thread_command_external raw; |
3263 | ||
3af9a47b NC |
3264 | if (offset >= command->len) |
3265 | return -1; | |
3266 | ||
c2f09c75 | 3267 | if (bfd_seek (abfd, command->offset + offset, SEEK_SET) != 0 |
46d1c23b | 3268 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) |
3af9a47b NC |
3269 | return -1; |
3270 | ||
46d1c23b | 3271 | offset += sizeof (raw) + bfd_h_get_32 (abfd, raw.count) * 4; |
3af9a47b NC |
3272 | nflavours++; |
3273 | } | |
3274 | ||
b32e07d7 TG |
3275 | /* Allocate threads. */ |
3276 | cmd->flavours = bfd_alloc | |
3277 | (abfd, nflavours * sizeof (bfd_mach_o_thread_flavour)); | |
3af9a47b NC |
3278 | if (cmd->flavours == NULL) |
3279 | return -1; | |
3280 | cmd->nflavours = nflavours; | |
3281 | ||
3282 | offset = 8; | |
3283 | nflavours = 0; | |
3284 | while (offset != command->len) | |
3285 | { | |
46d1c23b TG |
3286 | struct mach_o_thread_command_external raw; |
3287 | ||
3af9a47b NC |
3288 | if (offset >= command->len) |
3289 | return -1; | |
3290 | ||
3291 | if (nflavours >= cmd->nflavours) | |
3292 | return -1; | |
3293 | ||
c2f09c75 | 3294 | if (bfd_seek (abfd, command->offset + offset, SEEK_SET) != 0 |
46d1c23b | 3295 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) |
3af9a47b NC |
3296 | return -1; |
3297 | ||
46d1c23b TG |
3298 | cmd->flavours[nflavours].flavour = bfd_h_get_32 (abfd, raw.flavour); |
3299 | cmd->flavours[nflavours].offset = command->offset + offset + sizeof (raw); | |
3300 | cmd->flavours[nflavours].size = bfd_h_get_32 (abfd, raw.count) * 4; | |
3301 | offset += cmd->flavours[nflavours].size + sizeof (raw); | |
3af9a47b NC |
3302 | nflavours++; |
3303 | } | |
3304 | ||
3305 | for (i = 0; i < nflavours; i++) | |
3306 | { | |
3307 | asection *bfdsec; | |
3308 | unsigned int snamelen; | |
3309 | char *sname; | |
3310 | const char *flavourstr; | |
3311 | const char *prefix = "LC_THREAD"; | |
a95a4550 AM |
3312 | unsigned int j = 0; |
3313 | ||
3af9a47b NC |
3314 | switch (mdata->header.cputype) |
3315 | { | |
3316 | case BFD_MACH_O_CPU_TYPE_POWERPC: | |
1e8a024a | 3317 | case BFD_MACH_O_CPU_TYPE_POWERPC_64: |
3af9a47b NC |
3318 | flavourstr = bfd_mach_o_ppc_flavour_string (cmd->flavours[i].flavour); |
3319 | break; | |
3320 | case BFD_MACH_O_CPU_TYPE_I386: | |
1e8a024a | 3321 | case BFD_MACH_O_CPU_TYPE_X86_64: |
3af9a47b NC |
3322 | flavourstr = bfd_mach_o_i386_flavour_string (cmd->flavours[i].flavour); |
3323 | break; | |
3324 | default: | |
3325 | flavourstr = "UNKNOWN_ARCHITECTURE"; | |
3326 | break; | |
3327 | } | |
a95a4550 | 3328 | |
3af9a47b | 3329 | snamelen = strlen (prefix) + 1 + 20 + 1 + strlen (flavourstr) + 1; |
116c20d2 | 3330 | sname = bfd_alloc (abfd, snamelen); |
3af9a47b NC |
3331 | if (sname == NULL) |
3332 | return -1; | |
3333 | ||
3334 | for (;;) | |
3335 | { | |
a95a4550 AM |
3336 | sprintf (sname, "%s.%s.%u", prefix, flavourstr, j); |
3337 | if (bfd_get_section_by_name (abfd, sname) == NULL) | |
3af9a47b | 3338 | break; |
a95a4550 | 3339 | j++; |
3af9a47b NC |
3340 | } |
3341 | ||
117ed4f8 | 3342 | bfdsec = bfd_make_section_with_flags (abfd, sname, SEC_HAS_CONTENTS); |
a95a4550 | 3343 | |
3af9a47b NC |
3344 | bfdsec->vma = 0; |
3345 | bfdsec->lma = 0; | |
eea6121a | 3346 | bfdsec->size = cmd->flavours[i].size; |
3af9a47b NC |
3347 | bfdsec->filepos = cmd->flavours[i].offset; |
3348 | bfdsec->alignment_power = 0x0; | |
3af9a47b NC |
3349 | |
3350 | cmd->section = bfdsec; | |
3351 | } | |
3352 | ||
3353 | return 0; | |
3354 | } | |
3355 | ||
a95a4550 | 3356 | static int |
ab273af8 | 3357 | bfd_mach_o_read_dysymtab (bfd *abfd, bfd_mach_o_load_command *command) |
3af9a47b | 3358 | { |
046b007d | 3359 | bfd_mach_o_dysymtab_command *cmd = &command->command.dysymtab; |
b32e07d7 | 3360 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
3af9a47b NC |
3361 | |
3362 | BFD_ASSERT (command->type == BFD_MACH_O_LC_DYSYMTAB); | |
3363 | ||
46d1c23b TG |
3364 | { |
3365 | struct mach_o_dysymtab_command_external raw; | |
3366 | ||
3367 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 | |
3368 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
3369 | return -1; | |
3af9a47b | 3370 | |
46d1c23b TG |
3371 | cmd->ilocalsym = bfd_h_get_32 (abfd, raw.ilocalsym); |
3372 | cmd->nlocalsym = bfd_h_get_32 (abfd, raw.nlocalsym); | |
3373 | cmd->iextdefsym = bfd_h_get_32 (abfd, raw.iextdefsym); | |
3374 | cmd->nextdefsym = bfd_h_get_32 (abfd, raw.nextdefsym); | |
3375 | cmd->iundefsym = bfd_h_get_32 (abfd, raw.iundefsym); | |
3376 | cmd->nundefsym = bfd_h_get_32 (abfd, raw.nundefsym); | |
3377 | cmd->tocoff = bfd_h_get_32 (abfd, raw.tocoff); | |
3378 | cmd->ntoc = bfd_h_get_32 (abfd, raw.ntoc); | |
3379 | cmd->modtaboff = bfd_h_get_32 (abfd, raw.modtaboff); | |
3380 | cmd->nmodtab = bfd_h_get_32 (abfd, raw.nmodtab); | |
3381 | cmd->extrefsymoff = bfd_h_get_32 (abfd, raw.extrefsymoff); | |
3382 | cmd->nextrefsyms = bfd_h_get_32 (abfd, raw.nextrefsyms); | |
3383 | cmd->indirectsymoff = bfd_h_get_32 (abfd, raw.indirectsymoff); | |
3384 | cmd->nindirectsyms = bfd_h_get_32 (abfd, raw.nindirectsyms); | |
3385 | cmd->extreloff = bfd_h_get_32 (abfd, raw.extreloff); | |
3386 | cmd->nextrel = bfd_h_get_32 (abfd, raw.nextrel); | |
3387 | cmd->locreloff = bfd_h_get_32 (abfd, raw.locreloff); | |
3388 | cmd->nlocrel = bfd_h_get_32 (abfd, raw.nlocrel); | |
3389 | } | |
046b007d TG |
3390 | |
3391 | if (cmd->nmodtab != 0) | |
3392 | { | |
046b007d TG |
3393 | unsigned int i; |
3394 | int wide = bfd_mach_o_wide_p (abfd); | |
3395 | unsigned int module_len = wide ? 56 : 52; | |
3396 | ||
3397 | cmd->dylib_module = | |
3398 | bfd_alloc (abfd, cmd->nmodtab * sizeof (bfd_mach_o_dylib_module)); | |
3399 | if (cmd->dylib_module == NULL) | |
3400 | return -1; | |
3401 | ||
3402 | if (bfd_seek (abfd, cmd->modtaboff, SEEK_SET) != 0) | |
3403 | return -1; | |
3404 | ||
3405 | for (i = 0; i < cmd->nmodtab; i++) | |
3406 | { | |
3407 | bfd_mach_o_dylib_module *module = &cmd->dylib_module[i]; | |
3408 | unsigned long v; | |
46d1c23b | 3409 | unsigned char buf[56]; |
046b007d | 3410 | |
91d6fa6a | 3411 | if (bfd_bread ((void *) buf, module_len, abfd) != module_len) |
046b007d TG |
3412 | return -1; |
3413 | ||
3414 | module->module_name_idx = bfd_h_get_32 (abfd, buf + 0); | |
3415 | module->iextdefsym = bfd_h_get_32 (abfd, buf + 4); | |
3416 | module->nextdefsym = bfd_h_get_32 (abfd, buf + 8); | |
3417 | module->irefsym = bfd_h_get_32 (abfd, buf + 12); | |
3418 | module->nrefsym = bfd_h_get_32 (abfd, buf + 16); | |
3419 | module->ilocalsym = bfd_h_get_32 (abfd, buf + 20); | |
3420 | module->nlocalsym = bfd_h_get_32 (abfd, buf + 24); | |
3421 | module->iextrel = bfd_h_get_32 (abfd, buf + 28); | |
3422 | module->nextrel = bfd_h_get_32 (abfd, buf + 32); | |
3423 | v = bfd_h_get_32 (abfd, buf +36); | |
3424 | module->iinit = v & 0xffff; | |
3425 | module->iterm = (v >> 16) & 0xffff; | |
3426 | v = bfd_h_get_32 (abfd, buf + 40); | |
3427 | module->ninit = v & 0xffff; | |
3428 | module->nterm = (v >> 16) & 0xffff; | |
3429 | if (wide) | |
3430 | { | |
3431 | module->objc_module_info_size = bfd_h_get_32 (abfd, buf + 44); | |
3432 | module->objc_module_info_addr = bfd_h_get_64 (abfd, buf + 48); | |
3433 | } | |
3434 | else | |
3435 | { | |
3436 | module->objc_module_info_addr = bfd_h_get_32 (abfd, buf + 44); | |
3437 | module->objc_module_info_size = bfd_h_get_32 (abfd, buf + 48); | |
3438 | } | |
3439 | } | |
3440 | } | |
afbb9e17 | 3441 | |
046b007d TG |
3442 | if (cmd->ntoc != 0) |
3443 | { | |
046b007d TG |
3444 | unsigned int i; |
3445 | ||
3446 | cmd->dylib_toc = bfd_alloc | |
3447 | (abfd, cmd->ntoc * sizeof (bfd_mach_o_dylib_table_of_content)); | |
3448 | if (cmd->dylib_toc == NULL) | |
3449 | return -1; | |
3450 | ||
3451 | if (bfd_seek (abfd, cmd->tocoff, SEEK_SET) != 0) | |
3452 | return -1; | |
3453 | ||
3454 | for (i = 0; i < cmd->ntoc; i++) | |
3455 | { | |
46d1c23b | 3456 | struct mach_o_dylib_table_of_contents_external raw; |
046b007d TG |
3457 | bfd_mach_o_dylib_table_of_content *toc = &cmd->dylib_toc[i]; |
3458 | ||
46d1c23b | 3459 | if (bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) |
046b007d TG |
3460 | return -1; |
3461 | ||
46d1c23b TG |
3462 | toc->symbol_index = bfd_h_get_32 (abfd, raw.symbol_index); |
3463 | toc->module_index = bfd_h_get_32 (abfd, raw.module_index); | |
046b007d TG |
3464 | } |
3465 | } | |
3466 | ||
3467 | if (cmd->nindirectsyms != 0) | |
3468 | { | |
046b007d TG |
3469 | unsigned int i; |
3470 | ||
3471 | cmd->indirect_syms = bfd_alloc | |
3472 | (abfd, cmd->nindirectsyms * sizeof (unsigned int)); | |
3473 | if (cmd->indirect_syms == NULL) | |
3474 | return -1; | |
3475 | ||
3476 | if (bfd_seek (abfd, cmd->indirectsymoff, SEEK_SET) != 0) | |
3477 | return -1; | |
3478 | ||
3479 | for (i = 0; i < cmd->nindirectsyms; i++) | |
3480 | { | |
46d1c23b | 3481 | unsigned char raw[4]; |
046b007d TG |
3482 | unsigned int *is = &cmd->indirect_syms[i]; |
3483 | ||
46d1c23b | 3484 | if (bfd_bread (raw, sizeof (raw), abfd) != sizeof (raw)) |
046b007d TG |
3485 | return -1; |
3486 | ||
46d1c23b | 3487 | *is = bfd_h_get_32 (abfd, raw); |
046b007d TG |
3488 | } |
3489 | } | |
3490 | ||
3491 | if (cmd->nextrefsyms != 0) | |
3492 | { | |
046b007d TG |
3493 | unsigned long v; |
3494 | unsigned int i; | |
3495 | ||
3496 | cmd->ext_refs = bfd_alloc | |
3497 | (abfd, cmd->nextrefsyms * sizeof (bfd_mach_o_dylib_reference)); | |
3498 | if (cmd->ext_refs == NULL) | |
3499 | return -1; | |
3500 | ||
3501 | if (bfd_seek (abfd, cmd->extrefsymoff, SEEK_SET) != 0) | |
3502 | return -1; | |
3503 | ||
3504 | for (i = 0; i < cmd->nextrefsyms; i++) | |
3505 | { | |
46d1c23b | 3506 | unsigned char raw[4]; |
046b007d TG |
3507 | bfd_mach_o_dylib_reference *ref = &cmd->ext_refs[i]; |
3508 | ||
46d1c23b | 3509 | if (bfd_bread (raw, sizeof (raw), abfd) != sizeof (raw)) |
046b007d TG |
3510 | return -1; |
3511 | ||
b32e07d7 TG |
3512 | /* Fields isym and flags are written as bit-fields, thus we need |
3513 | a specific processing for endianness. */ | |
46d1c23b | 3514 | v = bfd_h_get_32 (abfd, raw); |
b32e07d7 TG |
3515 | if (bfd_big_endian (abfd)) |
3516 | { | |
3517 | ref->isym = (v >> 8) & 0xffffff; | |
3518 | ref->flags = v & 0xff; | |
3519 | } | |
3520 | else | |
3521 | { | |
3522 | ref->isym = v & 0xffffff; | |
3523 | ref->flags = (v >> 24) & 0xff; | |
3524 | } | |
046b007d TG |
3525 | } |
3526 | } | |
3af9a47b | 3527 | |
b32e07d7 TG |
3528 | if (mdata->dysymtab) |
3529 | return -1; | |
3530 | mdata->dysymtab = cmd; | |
3531 | ||
3af9a47b NC |
3532 | return 0; |
3533 | } | |
3534 | ||
a95a4550 | 3535 | static int |
ab273af8 | 3536 | bfd_mach_o_read_symtab (bfd *abfd, bfd_mach_o_load_command *command) |
3af9a47b | 3537 | { |
046b007d TG |
3538 | bfd_mach_o_symtab_command *symtab = &command->command.symtab; |
3539 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
46d1c23b | 3540 | struct mach_o_symtab_command_external raw; |
3af9a47b NC |
3541 | |
3542 | BFD_ASSERT (command->type == BFD_MACH_O_LC_SYMTAB); | |
3543 | ||
46d1c23b TG |
3544 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 |
3545 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
3af9a47b | 3546 | return -1; |
a95a4550 | 3547 | |
46d1c23b TG |
3548 | symtab->symoff = bfd_h_get_32 (abfd, raw.symoff); |
3549 | symtab->nsyms = bfd_h_get_32 (abfd, raw.nsyms); | |
3550 | symtab->stroff = bfd_h_get_32 (abfd, raw.stroff); | |
3551 | symtab->strsize = bfd_h_get_32 (abfd, raw.strsize); | |
046b007d TG |
3552 | symtab->symbols = NULL; |
3553 | symtab->strtab = NULL; | |
3af9a47b | 3554 | |
046b007d | 3555 | if (symtab->nsyms != 0) |
15e1c58a TG |
3556 | abfd->flags |= HAS_SYMS; |
3557 | ||
046b007d TG |
3558 | if (mdata->symtab) |
3559 | return -1; | |
3560 | mdata->symtab = symtab; | |
3af9a47b NC |
3561 | return 0; |
3562 | } | |
3563 | ||
15e1c58a | 3564 | static int |
ab273af8 | 3565 | bfd_mach_o_read_uuid (bfd *abfd, bfd_mach_o_load_command *command) |
15e1c58a TG |
3566 | { |
3567 | bfd_mach_o_uuid_command *cmd = &command->command.uuid; | |
15e1c58a TG |
3568 | |
3569 | BFD_ASSERT (command->type == BFD_MACH_O_LC_UUID); | |
3570 | ||
46d1c23b TG |
3571 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 |
3572 | || bfd_bread (cmd->uuid, 16, abfd) != 16) | |
15e1c58a TG |
3573 | return -1; |
3574 | ||
15e1c58a TG |
3575 | return 0; |
3576 | } | |
3577 | ||
046b007d | 3578 | static int |
ab273af8 | 3579 | bfd_mach_o_read_linkedit (bfd *abfd, bfd_mach_o_load_command *command) |
046b007d TG |
3580 | { |
3581 | bfd_mach_o_linkedit_command *cmd = &command->command.linkedit; | |
46d1c23b | 3582 | struct mach_o_linkedit_data_command_external raw; |
046b007d | 3583 | |
46d1c23b TG |
3584 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 |
3585 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
046b007d TG |
3586 | return -1; |
3587 | ||
46d1c23b TG |
3588 | cmd->dataoff = bfd_get_32 (abfd, raw.dataoff); |
3589 | cmd->datasize = bfd_get_32 (abfd, raw.datasize); | |
046b007d TG |
3590 | return 0; |
3591 | } | |
3592 | ||
3593 | static int | |
ab273af8 | 3594 | bfd_mach_o_read_str (bfd *abfd, bfd_mach_o_load_command *command) |
046b007d TG |
3595 | { |
3596 | bfd_mach_o_str_command *cmd = &command->command.str; | |
46d1c23b | 3597 | struct mach_o_str_command_external raw; |
046b007d TG |
3598 | unsigned long off; |
3599 | ||
46d1c23b TG |
3600 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 |
3601 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
046b007d TG |
3602 | return -1; |
3603 | ||
46d1c23b | 3604 | off = bfd_get_32 (abfd, raw.str); |
046b007d TG |
3605 | cmd->stroff = command->offset + off; |
3606 | cmd->str_len = command->len - off; | |
3607 | cmd->str = bfd_alloc (abfd, cmd->str_len); | |
3608 | if (cmd->str == NULL) | |
3609 | return -1; | |
3610 | if (bfd_seek (abfd, cmd->stroff, SEEK_SET) != 0 | |
91d6fa6a | 3611 | || bfd_bread ((void *) cmd->str, cmd->str_len, abfd) != cmd->str_len) |
046b007d TG |
3612 | return -1; |
3613 | return 0; | |
3614 | } | |
3615 | ||
ad86f1fb | 3616 | static int |
ab273af8 | 3617 | bfd_mach_o_read_dyld_info (bfd *abfd, bfd_mach_o_load_command *command) |
ad86f1fb TG |
3618 | { |
3619 | bfd_mach_o_dyld_info_command *cmd = &command->command.dyld_info; | |
46d1c23b | 3620 | struct mach_o_dyld_info_command_external raw; |
ad86f1fb | 3621 | |
46d1c23b TG |
3622 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 |
3623 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
ad86f1fb TG |
3624 | return -1; |
3625 | ||
46d1c23b TG |
3626 | cmd->rebase_off = bfd_get_32 (abfd, raw.rebase_off); |
3627 | cmd->rebase_size = bfd_get_32 (abfd, raw.rebase_size); | |
3628 | cmd->bind_off = bfd_get_32 (abfd, raw.bind_off); | |
3629 | cmd->bind_size = bfd_get_32 (abfd, raw.bind_size); | |
3630 | cmd->weak_bind_off = bfd_get_32 (abfd, raw.weak_bind_off); | |
3631 | cmd->weak_bind_size = bfd_get_32 (abfd, raw.weak_bind_size); | |
3632 | cmd->lazy_bind_off = bfd_get_32 (abfd, raw.lazy_bind_off); | |
3633 | cmd->lazy_bind_size = bfd_get_32 (abfd, raw.lazy_bind_size); | |
3634 | cmd->export_off = bfd_get_32 (abfd, raw.export_off); | |
3635 | cmd->export_size = bfd_get_32 (abfd, raw.export_size); | |
ad86f1fb TG |
3636 | return 0; |
3637 | } | |
3638 | ||
edbdea0e TG |
3639 | static bfd_boolean |
3640 | bfd_mach_o_read_version_min (bfd *abfd, bfd_mach_o_load_command *command) | |
3641 | { | |
3642 | bfd_mach_o_version_min_command *cmd = &command->command.version_min; | |
3643 | struct mach_o_version_min_command_external raw; | |
3644 | unsigned int ver; | |
3645 | ||
3646 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 | |
3647 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
3648 | return FALSE; | |
3649 | ||
3650 | ver = bfd_get_32 (abfd, raw.version); | |
3651 | cmd->rel = ver >> 16; | |
3652 | cmd->maj = ver >> 8; | |
3653 | cmd->min = ver; | |
3654 | cmd->reserved = bfd_get_32 (abfd, raw.reserved); | |
3655 | return TRUE; | |
3656 | } | |
3657 | ||
fc55a902 TG |
3658 | static bfd_boolean |
3659 | bfd_mach_o_read_encryption_info (bfd *abfd, bfd_mach_o_load_command *command) | |
3660 | { | |
3661 | bfd_mach_o_encryption_info_command *cmd = &command->command.encryption_info; | |
3662 | struct mach_o_encryption_info_command_external raw; | |
3663 | ||
3664 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 | |
3665 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
3666 | return FALSE; | |
3667 | ||
3668 | cmd->cryptoff = bfd_get_32 (abfd, raw.cryptoff); | |
3669 | cmd->cryptsize = bfd_get_32 (abfd, raw.cryptsize); | |
3670 | cmd->cryptid = bfd_get_32 (abfd, raw.cryptid); | |
3671 | return TRUE; | |
3672 | } | |
3673 | ||
1778ad74 TG |
3674 | static bfd_boolean |
3675 | bfd_mach_o_read_main (bfd *abfd, bfd_mach_o_load_command *command) | |
3676 | { | |
3677 | bfd_mach_o_main_command *cmd = &command->command.main; | |
3678 | struct mach_o_entry_point_command_external raw; | |
3679 | ||
3680 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 | |
3681 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
3682 | return FALSE; | |
3683 | ||
3684 | cmd->entryoff = bfd_get_64 (abfd, raw.entryoff); | |
3685 | cmd->stacksize = bfd_get_64 (abfd, raw.stacksize); | |
3686 | return TRUE; | |
3687 | } | |
3688 | ||
3689 | static bfd_boolean | |
3690 | bfd_mach_o_read_source_version (bfd *abfd, bfd_mach_o_load_command *command) | |
3691 | { | |
3692 | bfd_mach_o_source_version_command *cmd = &command->command.source_version; | |
3693 | struct mach_o_source_version_command_external raw; | |
3694 | bfd_uint64_t ver; | |
3695 | ||
3696 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 | |
3697 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
3698 | return FALSE; | |
3699 | ||
3700 | ver = bfd_get_64 (abfd, raw.version); | |
3701 | /* Note: we use a serie of shift to avoid shift > 32 (for which gcc | |
3702 | generates warnings) in case of the host doesn't support 64 bit | |
3703 | integers. */ | |
3704 | cmd->e = ver & 0x3ff; | |
3705 | ver >>= 10; | |
3706 | cmd->d = ver & 0x3ff; | |
3707 | ver >>= 10; | |
3708 | cmd->c = ver & 0x3ff; | |
3709 | ver >>= 10; | |
3710 | cmd->b = ver & 0x3ff; | |
3711 | ver >>= 10; | |
3712 | cmd->a = ver & 0xffffff; | |
3713 | return TRUE; | |
3714 | } | |
3715 | ||
3af9a47b | 3716 | static int |
ab273af8 TG |
3717 | bfd_mach_o_read_segment (bfd *abfd, |
3718 | bfd_mach_o_load_command *command, | |
3719 | unsigned int wide) | |
3af9a47b | 3720 | { |
3af9a47b NC |
3721 | bfd_mach_o_segment_command *seg = &command->command.segment; |
3722 | unsigned long i; | |
a95a4550 | 3723 | |
1e8a024a TG |
3724 | if (wide) |
3725 | { | |
46d1c23b TG |
3726 | struct mach_o_segment_command_64_external raw; |
3727 | ||
1e8a024a | 3728 | BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT_64); |
3af9a47b | 3729 | |
46d1c23b TG |
3730 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 |
3731 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
3732 | return -1; | |
3af9a47b | 3733 | |
46d1c23b | 3734 | memcpy (seg->segname, raw.segname, 16); |
15e1c58a | 3735 | seg->segname[16] = '\0'; |
1e8a024a | 3736 | |
46d1c23b TG |
3737 | seg->vmaddr = bfd_h_get_64 (abfd, raw.vmaddr); |
3738 | seg->vmsize = bfd_h_get_64 (abfd, raw.vmsize); | |
3739 | seg->fileoff = bfd_h_get_64 (abfd, raw.fileoff); | |
3740 | seg->filesize = bfd_h_get_64 (abfd, raw.filesize); | |
3741 | seg->maxprot = bfd_h_get_32 (abfd, raw.maxprot); | |
3742 | seg->initprot = bfd_h_get_32 (abfd, raw.initprot); | |
3743 | seg->nsects = bfd_h_get_32 (abfd, raw.nsects); | |
3744 | seg->flags = bfd_h_get_32 (abfd, raw.flags); | |
1e8a024a TG |
3745 | } |
3746 | else | |
3747 | { | |
46d1c23b TG |
3748 | struct mach_o_segment_command_32_external raw; |
3749 | ||
1e8a024a TG |
3750 | BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT); |
3751 | ||
46d1c23b TG |
3752 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 |
3753 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
3754 | return -1; | |
1e8a024a | 3755 | |
46d1c23b | 3756 | memcpy (seg->segname, raw.segname, 16); |
15e1c58a | 3757 | seg->segname[16] = '\0'; |
1e8a024a | 3758 | |
46d1c23b TG |
3759 | seg->vmaddr = bfd_h_get_32 (abfd, raw.vmaddr); |
3760 | seg->vmsize = bfd_h_get_32 (abfd, raw.vmsize); | |
3761 | seg->fileoff = bfd_h_get_32 (abfd, raw.fileoff); | |
3762 | seg->filesize = bfd_h_get_32 (abfd, raw.filesize); | |
3763 | seg->maxprot = bfd_h_get_32 (abfd, raw.maxprot); | |
3764 | seg->initprot = bfd_h_get_32 (abfd, raw.initprot); | |
3765 | seg->nsects = bfd_h_get_32 (abfd, raw.nsects); | |
3766 | seg->flags = bfd_h_get_32 (abfd, raw.flags); | |
1e8a024a | 3767 | } |
9d4b6009 TG |
3768 | seg->sect_head = NULL; |
3769 | seg->sect_tail = NULL; | |
3af9a47b | 3770 | |
f1bde64c | 3771 | for (i = 0; i < seg->nsects; i++) |
3af9a47b | 3772 | { |
f1bde64c TG |
3773 | bfd_vma segoff; |
3774 | asection *sec; | |
a95a4550 | 3775 | |
f1bde64c TG |
3776 | if (wide) |
3777 | segoff = command->offset + BFD_MACH_O_LC_SEGMENT_64_SIZE | |
3778 | + (i * BFD_MACH_O_SECTION_64_SIZE); | |
3779 | else | |
3780 | segoff = command->offset + BFD_MACH_O_LC_SEGMENT_SIZE | |
3781 | + (i * BFD_MACH_O_SECTION_SIZE); | |
3af9a47b | 3782 | |
f1bde64c TG |
3783 | sec = bfd_mach_o_read_section (abfd, segoff, seg->initprot, wide); |
3784 | if (sec == NULL) | |
3785 | return -1; | |
3786 | ||
3787 | bfd_mach_o_append_section_to_segment (seg, sec); | |
3af9a47b NC |
3788 | } |
3789 | ||
3790 | return 0; | |
3791 | } | |
3792 | ||
1e8a024a | 3793 | static int |
ab273af8 | 3794 | bfd_mach_o_read_segment_32 (bfd *abfd, bfd_mach_o_load_command *command) |
1e8a024a | 3795 | { |
ab273af8 | 3796 | return bfd_mach_o_read_segment (abfd, command, 0); |
1e8a024a TG |
3797 | } |
3798 | ||
3799 | static int | |
ab273af8 | 3800 | bfd_mach_o_read_segment_64 (bfd *abfd, bfd_mach_o_load_command *command) |
1e8a024a | 3801 | { |
ab273af8 | 3802 | return bfd_mach_o_read_segment (abfd, command, 1); |
1e8a024a TG |
3803 | } |
3804 | ||
3af9a47b | 3805 | static int |
ab273af8 | 3806 | bfd_mach_o_read_command (bfd *abfd, bfd_mach_o_load_command *command) |
3af9a47b | 3807 | { |
46d1c23b TG |
3808 | struct mach_o_load_command_external raw; |
3809 | unsigned int cmd; | |
3af9a47b | 3810 | |
046b007d | 3811 | /* Read command type and length. */ |
c2f09c75 | 3812 | if (bfd_seek (abfd, command->offset, SEEK_SET) != 0 |
46d1c23b | 3813 | || bfd_bread (&raw, BFD_MACH_O_LC_SIZE, abfd) != BFD_MACH_O_LC_SIZE) |
3af9a47b NC |
3814 | return -1; |
3815 | ||
46d1c23b TG |
3816 | cmd = bfd_h_get_32 (abfd, raw.cmd); |
3817 | command->type = cmd & ~BFD_MACH_O_LC_REQ_DYLD; | |
3818 | command->type_required = cmd & BFD_MACH_O_LC_REQ_DYLD ? TRUE : FALSE; | |
3819 | command->len = bfd_h_get_32 (abfd, raw.cmdsize); | |
3af9a47b NC |
3820 | |
3821 | switch (command->type) | |
3822 | { | |
3823 | case BFD_MACH_O_LC_SEGMENT: | |
ab273af8 | 3824 | if (bfd_mach_o_read_segment_32 (abfd, command) != 0) |
1e8a024a TG |
3825 | return -1; |
3826 | break; | |
3827 | case BFD_MACH_O_LC_SEGMENT_64: | |
ab273af8 | 3828 | if (bfd_mach_o_read_segment_64 (abfd, command) != 0) |
3af9a47b NC |
3829 | return -1; |
3830 | break; | |
3831 | case BFD_MACH_O_LC_SYMTAB: | |
ab273af8 | 3832 | if (bfd_mach_o_read_symtab (abfd, command) != 0) |
3af9a47b NC |
3833 | return -1; |
3834 | break; | |
3835 | case BFD_MACH_O_LC_SYMSEG: | |
3836 | break; | |
3837 | case BFD_MACH_O_LC_THREAD: | |
3838 | case BFD_MACH_O_LC_UNIXTHREAD: | |
ab273af8 | 3839 | if (bfd_mach_o_read_thread (abfd, command) != 0) |
3af9a47b NC |
3840 | return -1; |
3841 | break; | |
3842 | case BFD_MACH_O_LC_LOAD_DYLINKER: | |
3843 | case BFD_MACH_O_LC_ID_DYLINKER: | |
10be66a4 | 3844 | case BFD_MACH_O_LC_DYLD_ENVIRONMENT: |
ab273af8 | 3845 | if (bfd_mach_o_read_dylinker (abfd, command) != 0) |
3af9a47b NC |
3846 | return -1; |
3847 | break; | |
3848 | case BFD_MACH_O_LC_LOAD_DYLIB: | |
fbe383b9 | 3849 | case BFD_MACH_O_LC_LAZY_LOAD_DYLIB: |
3af9a47b NC |
3850 | case BFD_MACH_O_LC_ID_DYLIB: |
3851 | case BFD_MACH_O_LC_LOAD_WEAK_DYLIB: | |
046b007d | 3852 | case BFD_MACH_O_LC_REEXPORT_DYLIB: |
73017762 | 3853 | case BFD_MACH_O_LC_LOAD_UPWARD_DYLIB: |
ab273af8 | 3854 | if (bfd_mach_o_read_dylib (abfd, command) != 0) |
3af9a47b NC |
3855 | return -1; |
3856 | break; | |
3857 | case BFD_MACH_O_LC_PREBOUND_DYLIB: | |
ab273af8 | 3858 | if (bfd_mach_o_read_prebound_dylib (abfd, command) != 0) |
3af9a47b NC |
3859 | return -1; |
3860 | break; | |
3861 | case BFD_MACH_O_LC_LOADFVMLIB: | |
3862 | case BFD_MACH_O_LC_IDFVMLIB: | |
9f4a5bd1 TG |
3863 | if (bfd_mach_o_read_fvmlib (abfd, command) != 0) |
3864 | return -1; | |
3865 | break; | |
3af9a47b NC |
3866 | case BFD_MACH_O_LC_IDENT: |
3867 | case BFD_MACH_O_LC_FVMFILE: | |
3868 | case BFD_MACH_O_LC_PREPAGE: | |
3869 | case BFD_MACH_O_LC_ROUTINES: | |
9b02d212 | 3870 | case BFD_MACH_O_LC_ROUTINES_64: |
046b007d | 3871 | break; |
3af9a47b | 3872 | case BFD_MACH_O_LC_SUB_FRAMEWORK: |
046b007d TG |
3873 | case BFD_MACH_O_LC_SUB_UMBRELLA: |
3874 | case BFD_MACH_O_LC_SUB_LIBRARY: | |
3875 | case BFD_MACH_O_LC_SUB_CLIENT: | |
0c9b2b4c | 3876 | case BFD_MACH_O_LC_RPATH: |
ab273af8 | 3877 | if (bfd_mach_o_read_str (abfd, command) != 0) |
046b007d | 3878 | return -1; |
3af9a47b NC |
3879 | break; |
3880 | case BFD_MACH_O_LC_DYSYMTAB: | |
ab273af8 | 3881 | if (bfd_mach_o_read_dysymtab (abfd, command) != 0) |
3af9a47b NC |
3882 | return -1; |
3883 | break; | |
3af9a47b NC |
3884 | case BFD_MACH_O_LC_TWOLEVEL_HINTS: |
3885 | case BFD_MACH_O_LC_PREBIND_CKSUM: | |
3886 | break; | |
15e1c58a | 3887 | case BFD_MACH_O_LC_UUID: |
ab273af8 | 3888 | if (bfd_mach_o_read_uuid (abfd, command) != 0) |
15e1c58a TG |
3889 | return -1; |
3890 | break; | |
3891 | case BFD_MACH_O_LC_CODE_SIGNATURE: | |
846b9259 | 3892 | case BFD_MACH_O_LC_SEGMENT_SPLIT_INFO: |
edbdea0e | 3893 | case BFD_MACH_O_LC_FUNCTION_STARTS: |
1778ad74 TG |
3894 | case BFD_MACH_O_LC_DATA_IN_CODE: |
3895 | case BFD_MACH_O_LC_DYLIB_CODE_SIGN_DRS: | |
ab273af8 | 3896 | if (bfd_mach_o_read_linkedit (abfd, command) != 0) |
046b007d | 3897 | return -1; |
15e1c58a | 3898 | break; |
fc55a902 TG |
3899 | case BFD_MACH_O_LC_ENCRYPTION_INFO: |
3900 | if (!bfd_mach_o_read_encryption_info (abfd, command)) | |
3901 | return -1; | |
3902 | break; | |
ad86f1fb | 3903 | case BFD_MACH_O_LC_DYLD_INFO: |
ab273af8 | 3904 | if (bfd_mach_o_read_dyld_info (abfd, command) != 0) |
ad86f1fb TG |
3905 | return -1; |
3906 | break; | |
edbdea0e TG |
3907 | case BFD_MACH_O_LC_VERSION_MIN_MACOSX: |
3908 | case BFD_MACH_O_LC_VERSION_MIN_IPHONEOS: | |
3909 | if (!bfd_mach_o_read_version_min (abfd, command)) | |
3910 | return -1; | |
3911 | break; | |
1778ad74 TG |
3912 | case BFD_MACH_O_LC_MAIN: |
3913 | if (!bfd_mach_o_read_main (abfd, command)) | |
3914 | return -1; | |
3915 | break; | |
3916 | case BFD_MACH_O_LC_SOURCE_VERSION: | |
3917 | if (!bfd_mach_o_read_source_version (abfd, command)) | |
3918 | return -1; | |
3919 | break; | |
3af9a47b | 3920 | default: |
fc55a902 | 3921 | (*_bfd_error_handler)(_("%B: unknown load command 0x%lx"), |
c0d9d051 | 3922 | abfd, (unsigned long) command->type); |
3af9a47b NC |
3923 | break; |
3924 | } | |
3925 | ||
3926 | return 0; | |
3927 | } | |
3928 | ||
3929 | static void | |
116c20d2 | 3930 | bfd_mach_o_flatten_sections (bfd *abfd) |
3af9a47b | 3931 | { |
046b007d | 3932 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
3af9a47b | 3933 | long csect = 0; |
f1bde64c | 3934 | unsigned long i; |
a95a4550 | 3935 | |
15e1c58a | 3936 | /* Count total number of sections. */ |
3af9a47b NC |
3937 | mdata->nsects = 0; |
3938 | ||
3939 | for (i = 0; i < mdata->header.ncmds; i++) | |
3940 | { | |
1e8a024a TG |
3941 | if (mdata->commands[i].type == BFD_MACH_O_LC_SEGMENT |
3942 | || mdata->commands[i].type == BFD_MACH_O_LC_SEGMENT_64) | |
3af9a47b | 3943 | { |
e84d6fca AM |
3944 | bfd_mach_o_segment_command *seg; |
3945 | ||
3946 | seg = &mdata->commands[i].command.segment; | |
3af9a47b NC |
3947 | mdata->nsects += seg->nsects; |
3948 | } | |
3949 | } | |
3950 | ||
15e1c58a | 3951 | /* Allocate sections array. */ |
e84d6fca AM |
3952 | mdata->sections = bfd_alloc (abfd, |
3953 | mdata->nsects * sizeof (bfd_mach_o_section *)); | |
15e1c58a TG |
3954 | |
3955 | /* Fill the array. */ | |
3af9a47b NC |
3956 | csect = 0; |
3957 | ||
3958 | for (i = 0; i < mdata->header.ncmds; i++) | |
3959 | { | |
1e8a024a TG |
3960 | if (mdata->commands[i].type == BFD_MACH_O_LC_SEGMENT |
3961 | || mdata->commands[i].type == BFD_MACH_O_LC_SEGMENT_64) | |
3af9a47b | 3962 | { |
e84d6fca | 3963 | bfd_mach_o_segment_command *seg; |
f1bde64c | 3964 | bfd_mach_o_section *sec; |
3af9a47b | 3965 | |
e84d6fca | 3966 | seg = &mdata->commands[i].command.segment; |
3af9a47b NC |
3967 | BFD_ASSERT (csect + seg->nsects <= mdata->nsects); |
3968 | ||
f1bde64c TG |
3969 | for (sec = seg->sect_head; sec != NULL; sec = sec->next) |
3970 | mdata->sections[csect++] = sec; | |
3af9a47b NC |
3971 | } |
3972 | } | |
3973 | } | |
3974 | ||
afbb9e17 | 3975 | static bfd_boolean |
116c20d2 | 3976 | bfd_mach_o_scan_start_address (bfd *abfd) |
3af9a47b | 3977 | { |
046b007d | 3978 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
3af9a47b NC |
3979 | bfd_mach_o_thread_command *cmd = NULL; |
3980 | unsigned long i; | |
3981 | ||
3982 | for (i = 0; i < mdata->header.ncmds; i++) | |
afbb9e17 TG |
3983 | if ((mdata->commands[i].type == BFD_MACH_O_LC_THREAD) || |
3984 | (mdata->commands[i].type == BFD_MACH_O_LC_UNIXTHREAD)) | |
3985 | { | |
3986 | cmd = &mdata->commands[i].command.thread; | |
3987 | break; | |
3988 | } | |
c0fd7846 TG |
3989 | else if (mdata->commands[i].type == BFD_MACH_O_LC_MAIN |
3990 | && mdata->nsects > 1) | |
3991 | { | |
3992 | bfd_mach_o_main_command *main_cmd = &mdata->commands[i].command.main; | |
3993 | bfd_mach_o_section *text_sect = mdata->sections[0]; | |
3994 | if (text_sect) | |
3995 | { | |
3996 | abfd->start_address = main_cmd->entryoff | |
3997 | + (text_sect->addr - text_sect->offset); | |
3998 | return TRUE; | |
3999 | } | |
4000 | } | |
3af9a47b | 4001 | |
5ee43bc4 | 4002 | /* An object file has no start address, so do not fail if not found. */ |
3af9a47b | 4003 | if (cmd == NULL) |
5ee43bc4 | 4004 | return TRUE; |
3af9a47b | 4005 | |
afbb9e17 | 4006 | /* FIXME: create a subtarget hook ? */ |
3af9a47b NC |
4007 | for (i = 0; i < cmd->nflavours; i++) |
4008 | { | |
a95a4550 | 4009 | if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_I386) |
e84d6fca | 4010 | && (cmd->flavours[i].flavour |
15e1c58a | 4011 | == (unsigned long) BFD_MACH_O_x86_THREAD_STATE32)) |
3af9a47b NC |
4012 | { |
4013 | unsigned char buf[4]; | |
4014 | ||
c2f09c75 TG |
4015 | if (bfd_seek (abfd, cmd->flavours[i].offset + 40, SEEK_SET) != 0 |
4016 | || bfd_bread (buf, 4, abfd) != 4) | |
afbb9e17 | 4017 | return FALSE; |
3af9a47b NC |
4018 | |
4019 | abfd->start_address = bfd_h_get_32 (abfd, buf); | |
4020 | } | |
a95a4550 | 4021 | else if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_POWERPC) |
3af9a47b NC |
4022 | && (cmd->flavours[i].flavour == BFD_MACH_O_PPC_THREAD_STATE)) |
4023 | { | |
4024 | unsigned char buf[4]; | |
4025 | ||
c2f09c75 TG |
4026 | if (bfd_seek (abfd, cmd->flavours[i].offset + 0, SEEK_SET) != 0 |
4027 | || bfd_bread (buf, 4, abfd) != 4) | |
afbb9e17 | 4028 | return FALSE; |
3af9a47b NC |
4029 | |
4030 | abfd->start_address = bfd_h_get_32 (abfd, buf); | |
4031 | } | |
1e8a024a | 4032 | else if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_POWERPC_64) |
b32e07d7 | 4033 | && (cmd->flavours[i].flavour == BFD_MACH_O_PPC_THREAD_STATE64)) |
1e8a024a TG |
4034 | { |
4035 | unsigned char buf[8]; | |
4036 | ||
c2f09c75 TG |
4037 | if (bfd_seek (abfd, cmd->flavours[i].offset + 0, SEEK_SET) != 0 |
4038 | || bfd_bread (buf, 8, abfd) != 8) | |
afbb9e17 | 4039 | return FALSE; |
1e8a024a TG |
4040 | |
4041 | abfd->start_address = bfd_h_get_64 (abfd, buf); | |
4042 | } | |
4043 | else if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_X86_64) | |
4044 | && (cmd->flavours[i].flavour == BFD_MACH_O_x86_THREAD_STATE64)) | |
4045 | { | |
4046 | unsigned char buf[8]; | |
4047 | ||
c2f09c75 TG |
4048 | if (bfd_seek (abfd, cmd->flavours[i].offset + (16 * 8), SEEK_SET) != 0 |
4049 | || bfd_bread (buf, 8, abfd) != 8) | |
afbb9e17 | 4050 | return FALSE; |
1e8a024a TG |
4051 | |
4052 | abfd->start_address = bfd_h_get_64 (abfd, buf); | |
4053 | } | |
3af9a47b NC |
4054 | } |
4055 | ||
afbb9e17 | 4056 | return TRUE; |
3af9a47b NC |
4057 | } |
4058 | ||
42fa0891 TG |
4059 | bfd_boolean |
4060 | bfd_mach_o_set_arch_mach (bfd *abfd, | |
4061 | enum bfd_architecture arch, | |
4062 | unsigned long machine) | |
4063 | { | |
4064 | bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd); | |
4065 | ||
4066 | /* If this isn't the right architecture for this backend, and this | |
4067 | isn't the generic backend, fail. */ | |
4068 | if (arch != bed->arch | |
4069 | && arch != bfd_arch_unknown | |
4070 | && bed->arch != bfd_arch_unknown) | |
4071 | return FALSE; | |
4072 | ||
4073 | return bfd_default_set_arch_mach (abfd, arch, machine); | |
4074 | } | |
4075 | ||
afbb9e17 | 4076 | static bfd_boolean |
116c20d2 NC |
4077 | bfd_mach_o_scan (bfd *abfd, |
4078 | bfd_mach_o_header *header, | |
4079 | bfd_mach_o_data_struct *mdata) | |
3af9a47b NC |
4080 | { |
4081 | unsigned int i; | |
3af9a47b NC |
4082 | enum bfd_architecture cputype; |
4083 | unsigned long cpusubtype; | |
1e8a024a TG |
4084 | unsigned int hdrsize; |
4085 | ||
c2f09c75 | 4086 | hdrsize = mach_o_wide_p (header) ? |
154a1ee5 | 4087 | BFD_MACH_O_HEADER_64_SIZE : BFD_MACH_O_HEADER_SIZE; |
3af9a47b | 4088 | |
3af9a47b | 4089 | mdata->header = *header; |
3af9a47b | 4090 | |
154a1ee5 | 4091 | abfd->flags = abfd->flags & BFD_IN_MEMORY; |
15e1c58a TG |
4092 | switch (header->filetype) |
4093 | { | |
4094 | case BFD_MACH_O_MH_OBJECT: | |
4095 | abfd->flags |= HAS_RELOC; | |
4096 | break; | |
4097 | case BFD_MACH_O_MH_EXECUTE: | |
4098 | abfd->flags |= EXEC_P; | |
4099 | break; | |
4100 | case BFD_MACH_O_MH_DYLIB: | |
4101 | case BFD_MACH_O_MH_BUNDLE: | |
4102 | abfd->flags |= DYNAMIC; | |
4103 | break; | |
4104 | } | |
4105 | ||
3af9a47b NC |
4106 | abfd->tdata.mach_o_data = mdata; |
4107 | ||
e84d6fca AM |
4108 | bfd_mach_o_convert_architecture (header->cputype, header->cpusubtype, |
4109 | &cputype, &cpusubtype); | |
3af9a47b NC |
4110 | if (cputype == bfd_arch_unknown) |
4111 | { | |
afbb9e17 TG |
4112 | (*_bfd_error_handler) |
4113 | (_("bfd_mach_o_scan: unknown architecture 0x%lx/0x%lx"), | |
4114 | header->cputype, header->cpusubtype); | |
4115 | return FALSE; | |
3af9a47b NC |
4116 | } |
4117 | ||
4118 | bfd_set_arch_mach (abfd, cputype, cpusubtype); | |
a95a4550 | 4119 | |
3af9a47b NC |
4120 | if (header->ncmds != 0) |
4121 | { | |
046b007d TG |
4122 | mdata->commands = bfd_alloc |
4123 | (abfd, header->ncmds * sizeof (bfd_mach_o_load_command)); | |
3af9a47b | 4124 | if (mdata->commands == NULL) |
afbb9e17 | 4125 | return FALSE; |
a95a4550 | 4126 | |
3af9a47b NC |
4127 | for (i = 0; i < header->ncmds; i++) |
4128 | { | |
4129 | bfd_mach_o_load_command *cur = &mdata->commands[i]; | |
4130 | ||
4131 | if (i == 0) | |
1e8a024a | 4132 | cur->offset = hdrsize; |
3af9a47b NC |
4133 | else |
4134 | { | |
4135 | bfd_mach_o_load_command *prev = &mdata->commands[i - 1]; | |
4136 | cur->offset = prev->offset + prev->len; | |
4137 | } | |
4138 | ||
ab273af8 | 4139 | if (bfd_mach_o_read_command (abfd, cur) < 0) |
afbb9e17 | 4140 | return FALSE; |
a95a4550 | 4141 | } |
3af9a47b NC |
4142 | } |
4143 | ||
c0fd7846 TG |
4144 | /* Sections should be flatten before scanning start address. */ |
4145 | bfd_mach_o_flatten_sections (abfd); | |
4146 | if (!bfd_mach_o_scan_start_address (abfd)) | |
afbb9e17 | 4147 | return FALSE; |
3af9a47b | 4148 | |
afbb9e17 | 4149 | return TRUE; |
3af9a47b NC |
4150 | } |
4151 | ||
b34976b6 | 4152 | bfd_boolean |
154a1ee5 | 4153 | bfd_mach_o_mkobject_init (bfd *abfd) |
3af9a47b NC |
4154 | { |
4155 | bfd_mach_o_data_struct *mdata = NULL; | |
4156 | ||
b30a5d18 | 4157 | mdata = bfd_zalloc (abfd, sizeof (bfd_mach_o_data_struct)); |
3af9a47b | 4158 | if (mdata == NULL) |
b34976b6 | 4159 | return FALSE; |
3af9a47b NC |
4160 | abfd->tdata.mach_o_data = mdata; |
4161 | ||
4162 | mdata->header.magic = 0; | |
4163 | mdata->header.cputype = 0; | |
4164 | mdata->header.cpusubtype = 0; | |
4165 | mdata->header.filetype = 0; | |
4166 | mdata->header.ncmds = 0; | |
4167 | mdata->header.sizeofcmds = 0; | |
4168 | mdata->header.flags = 0; | |
4169 | mdata->header.byteorder = BFD_ENDIAN_UNKNOWN; | |
4170 | mdata->commands = NULL; | |
3af9a47b NC |
4171 | mdata->nsects = 0; |
4172 | mdata->sections = NULL; | |
4434114c | 4173 | mdata->dyn_reloc_cache = NULL; |
3af9a47b | 4174 | |
b34976b6 | 4175 | return TRUE; |
3af9a47b NC |
4176 | } |
4177 | ||
42fa0891 TG |
4178 | static bfd_boolean |
4179 | bfd_mach_o_gen_mkobject (bfd *abfd) | |
4180 | { | |
4181 | bfd_mach_o_data_struct *mdata; | |
4182 | ||
4183 | if (!bfd_mach_o_mkobject_init (abfd)) | |
4184 | return FALSE; | |
4185 | ||
4186 | mdata = bfd_mach_o_get_data (abfd); | |
4187 | mdata->header.magic = BFD_MACH_O_MH_MAGIC; | |
4188 | mdata->header.cputype = 0; | |
4189 | mdata->header.cpusubtype = 0; | |
4190 | mdata->header.byteorder = abfd->xvec->byteorder; | |
4191 | mdata->header.version = 1; | |
4192 | ||
4193 | return TRUE; | |
4194 | } | |
4195 | ||
3af9a47b | 4196 | const bfd_target * |
154a1ee5 TG |
4197 | bfd_mach_o_header_p (bfd *abfd, |
4198 | bfd_mach_o_filetype filetype, | |
4199 | bfd_mach_o_cpu_type cputype) | |
3af9a47b NC |
4200 | { |
4201 | bfd_mach_o_header header; | |
c9ba0c87 | 4202 | bfd_mach_o_data_struct *mdata; |
3af9a47b | 4203 | |
154a1ee5 | 4204 | if (!bfd_mach_o_read_header (abfd, &header)) |
e84d6fca | 4205 | goto wrong; |
3af9a47b | 4206 | |
e84d6fca AM |
4207 | if (! (header.byteorder == BFD_ENDIAN_BIG |
4208 | || header.byteorder == BFD_ENDIAN_LITTLE)) | |
3af9a47b | 4209 | { |
4a97a0e5 AM |
4210 | (*_bfd_error_handler) (_("unknown header byte-order value 0x%lx"), |
4211 | (unsigned long) header.byteorder); | |
e84d6fca | 4212 | goto wrong; |
3af9a47b NC |
4213 | } |
4214 | ||
e84d6fca AM |
4215 | if (! ((header.byteorder == BFD_ENDIAN_BIG |
4216 | && abfd->xvec->byteorder == BFD_ENDIAN_BIG | |
4217 | && abfd->xvec->header_byteorder == BFD_ENDIAN_BIG) | |
4218 | || (header.byteorder == BFD_ENDIAN_LITTLE | |
4219 | && abfd->xvec->byteorder == BFD_ENDIAN_LITTLE | |
4220 | && abfd->xvec->header_byteorder == BFD_ENDIAN_LITTLE))) | |
4221 | goto wrong; | |
3af9a47b | 4222 | |
154a1ee5 TG |
4223 | /* Check cputype and filetype. |
4224 | In case of wildcard, do not accept magics that are handled by existing | |
4225 | targets. */ | |
4226 | if (cputype) | |
4227 | { | |
4228 | if (header.cputype != cputype) | |
4229 | goto wrong; | |
4230 | } | |
b22161d6 | 4231 | |
154a1ee5 TG |
4232 | if (filetype) |
4233 | { | |
4234 | if (header.filetype != filetype) | |
4235 | goto wrong; | |
4236 | } | |
4237 | else | |
4238 | { | |
4239 | switch (header.filetype) | |
4240 | { | |
4241 | case BFD_MACH_O_MH_CORE: | |
4242 | /* Handled by core_p */ | |
4243 | goto wrong; | |
4244 | default: | |
4245 | break; | |
4246 | } | |
4247 | } | |
4248 | ||
c9ba0c87 AM |
4249 | mdata = (bfd_mach_o_data_struct *) bfd_zalloc (abfd, sizeof (*mdata)); |
4250 | if (mdata == NULL) | |
e84d6fca | 4251 | goto fail; |
3af9a47b | 4252 | |
c9ba0c87 | 4253 | if (!bfd_mach_o_scan (abfd, &header, mdata)) |
e84d6fca | 4254 | goto wrong; |
a95a4550 | 4255 | |
3af9a47b | 4256 | return abfd->xvec; |
e84d6fca AM |
4257 | |
4258 | wrong: | |
4259 | bfd_set_error (bfd_error_wrong_format); | |
4260 | ||
4261 | fail: | |
e84d6fca | 4262 | return NULL; |
3af9a47b NC |
4263 | } |
4264 | ||
154a1ee5 TG |
4265 | static const bfd_target * |
4266 | bfd_mach_o_gen_object_p (bfd *abfd) | |
3af9a47b | 4267 | { |
154a1ee5 TG |
4268 | return bfd_mach_o_header_p (abfd, 0, 0); |
4269 | } | |
e84d6fca | 4270 | |
154a1ee5 TG |
4271 | static const bfd_target * |
4272 | bfd_mach_o_gen_core_p (bfd *abfd) | |
4273 | { | |
4274 | return bfd_mach_o_header_p (abfd, BFD_MACH_O_MH_CORE, 0); | |
3af9a47b NC |
4275 | } |
4276 | ||
3cc27770 TG |
4277 | /* Return the base address of ABFD, ie the address at which the image is |
4278 | mapped. The possible initial pagezero is ignored. */ | |
4279 | ||
4280 | bfd_vma | |
4281 | bfd_mach_o_get_base_address (bfd *abfd) | |
4282 | { | |
4283 | bfd_mach_o_data_struct *mdata; | |
4284 | unsigned int i; | |
4285 | ||
4286 | /* Check for Mach-O. */ | |
4287 | if (!bfd_mach_o_valid (abfd)) | |
4288 | return 0; | |
4289 | mdata = bfd_mach_o_get_data (abfd); | |
4290 | ||
4291 | for (i = 0; i < mdata->header.ncmds; i++) | |
4292 | { | |
4293 | bfd_mach_o_load_command *cmd = &mdata->commands[i]; | |
4294 | if ((cmd->type == BFD_MACH_O_LC_SEGMENT | |
4295 | || cmd->type == BFD_MACH_O_LC_SEGMENT_64)) | |
4296 | { | |
4297 | struct bfd_mach_o_segment_command *segcmd = &cmd->command.segment; | |
4298 | ||
4299 | if (segcmd->initprot != 0) | |
4300 | return segcmd->vmaddr; | |
4301 | } | |
4302 | } | |
4303 | return 0; | |
4304 | } | |
4305 | ||
3af9a47b NC |
4306 | typedef struct mach_o_fat_archentry |
4307 | { | |
4308 | unsigned long cputype; | |
4309 | unsigned long cpusubtype; | |
4310 | unsigned long offset; | |
4311 | unsigned long size; | |
4312 | unsigned long align; | |
3af9a47b NC |
4313 | } mach_o_fat_archentry; |
4314 | ||
4315 | typedef struct mach_o_fat_data_struct | |
4316 | { | |
4317 | unsigned long magic; | |
4318 | unsigned long nfat_arch; | |
4319 | mach_o_fat_archentry *archentries; | |
4320 | } mach_o_fat_data_struct; | |
4321 | ||
4322 | const bfd_target * | |
116c20d2 | 4323 | bfd_mach_o_archive_p (bfd *abfd) |
3af9a47b | 4324 | { |
e84d6fca | 4325 | mach_o_fat_data_struct *adata = NULL; |
46d1c23b | 4326 | struct mach_o_fat_header_external hdr; |
3af9a47b NC |
4327 | unsigned long i; |
4328 | ||
c2f09c75 | 4329 | if (bfd_seek (abfd, 0, SEEK_SET) != 0 |
46d1c23b | 4330 | || bfd_bread (&hdr, sizeof (hdr), abfd) != sizeof (hdr)) |
e84d6fca | 4331 | goto error; |
3af9a47b | 4332 | |
116c20d2 | 4333 | adata = bfd_alloc (abfd, sizeof (mach_o_fat_data_struct)); |
3af9a47b | 4334 | if (adata == NULL) |
e84d6fca | 4335 | goto error; |
a95a4550 | 4336 | |
46d1c23b TG |
4337 | adata->magic = bfd_getb32 (hdr.magic); |
4338 | adata->nfat_arch = bfd_getb32 (hdr.nfat_arch); | |
3af9a47b | 4339 | if (adata->magic != 0xcafebabe) |
e84d6fca | 4340 | goto error; |
27cc28f9 AS |
4341 | /* Avoid matching Java bytecode files, which have the same magic number. |
4342 | In the Java bytecode file format this field contains the JVM version, | |
4343 | which starts at 43.0. */ | |
4344 | if (adata->nfat_arch > 30) | |
4345 | goto error; | |
3af9a47b | 4346 | |
c2f09c75 | 4347 | adata->archentries = |
3af9a47b NC |
4348 | bfd_alloc (abfd, adata->nfat_arch * sizeof (mach_o_fat_archentry)); |
4349 | if (adata->archentries == NULL) | |
e84d6fca | 4350 | goto error; |
3af9a47b NC |
4351 | |
4352 | for (i = 0; i < adata->nfat_arch; i++) | |
4353 | { | |
46d1c23b TG |
4354 | struct mach_o_fat_arch_external arch; |
4355 | if (bfd_bread (&arch, sizeof (arch), abfd) != sizeof (arch)) | |
e84d6fca | 4356 | goto error; |
46d1c23b TG |
4357 | adata->archentries[i].cputype = bfd_getb32 (arch.cputype); |
4358 | adata->archentries[i].cpusubtype = bfd_getb32 (arch.cpusubtype); | |
4359 | adata->archentries[i].offset = bfd_getb32 (arch.offset); | |
4360 | adata->archentries[i].size = bfd_getb32 (arch.size); | |
4361 | adata->archentries[i].align = bfd_getb32 (arch.align); | |
3af9a47b NC |
4362 | } |
4363 | ||
4364 | abfd->tdata.mach_o_fat_data = adata; | |
4365 | return abfd->xvec; | |
e84d6fca AM |
4366 | |
4367 | error: | |
4368 | if (adata != NULL) | |
4369 | bfd_release (abfd, adata); | |
4370 | bfd_set_error (bfd_error_wrong_format); | |
4371 | return NULL; | |
3af9a47b NC |
4372 | } |
4373 | ||
a4e241ca TG |
4374 | /* Set the filename for a fat binary member ABFD, whose bfd architecture is |
4375 | ARCH_TYPE/ARCH_SUBTYPE and corresponding entry in header is ENTRY. | |
4376 | Set arelt_data and origin fields too. */ | |
4377 | ||
4378 | static void | |
4379 | bfd_mach_o_fat_member_init (bfd *abfd, | |
4380 | enum bfd_architecture arch_type, | |
4381 | unsigned long arch_subtype, | |
4382 | mach_o_fat_archentry *entry) | |
4383 | { | |
4384 | struct areltdata *areltdata; | |
4385 | /* Create the member filename. Use ARCH_NAME. */ | |
4386 | const bfd_arch_info_type *ap = bfd_lookup_arch (arch_type, arch_subtype); | |
4387 | ||
4388 | if (ap) | |
4389 | { | |
4390 | /* Use the architecture name if known. */ | |
1be5090b | 4391 | abfd->filename = xstrdup (ap->printable_name); |
a4e241ca TG |
4392 | } |
4393 | else | |
4394 | { | |
4395 | /* Forge a uniq id. */ | |
4396 | const size_t namelen = 2 + 8 + 1 + 2 + 8 + 1; | |
1be5090b | 4397 | char *name = xmalloc (namelen); |
a4e241ca TG |
4398 | snprintf (name, namelen, "0x%lx-0x%lx", |
4399 | entry->cputype, entry->cpusubtype); | |
4400 | abfd->filename = name; | |
4401 | } | |
4402 | ||
06e7acd7 | 4403 | areltdata = bfd_zmalloc (sizeof (struct areltdata)); |
a4e241ca TG |
4404 | areltdata->parsed_size = entry->size; |
4405 | abfd->arelt_data = areltdata; | |
4406 | abfd->iostream = NULL; | |
4407 | abfd->origin = entry->offset; | |
4408 | } | |
4409 | ||
3af9a47b | 4410 | bfd * |
116c20d2 | 4411 | bfd_mach_o_openr_next_archived_file (bfd *archive, bfd *prev) |
3af9a47b | 4412 | { |
e84d6fca | 4413 | mach_o_fat_data_struct *adata; |
3af9a47b NC |
4414 | mach_o_fat_archentry *entry = NULL; |
4415 | unsigned long i; | |
15e1c58a | 4416 | bfd *nbfd; |
15e1c58a TG |
4417 | enum bfd_architecture arch_type; |
4418 | unsigned long arch_subtype; | |
3af9a47b | 4419 | |
e84d6fca | 4420 | adata = (mach_o_fat_data_struct *) archive->tdata.mach_o_fat_data; |
3af9a47b NC |
4421 | BFD_ASSERT (adata != NULL); |
4422 | ||
4423 | /* Find index of previous entry. */ | |
4424 | if (prev == NULL) | |
a4e241ca TG |
4425 | { |
4426 | /* Start at first one. */ | |
4427 | i = 0; | |
4428 | } | |
3af9a47b NC |
4429 | else |
4430 | { | |
a4e241ca | 4431 | /* Find index of PREV. */ |
3af9a47b NC |
4432 | for (i = 0; i < adata->nfat_arch; i++) |
4433 | { | |
15e1c58a | 4434 | if (adata->archentries[i].offset == prev->origin) |
3af9a47b NC |
4435 | break; |
4436 | } | |
4437 | ||
4438 | if (i == adata->nfat_arch) | |
4439 | { | |
4440 | /* Not found. */ | |
4441 | bfd_set_error (bfd_error_bad_value); | |
a95a4550 | 4442 | return NULL; |
3af9a47b | 4443 | } |
a4e241ca TG |
4444 | |
4445 | /* Get next entry. */ | |
4446 | i++; | |
4447 | } | |
a95a4550 | 4448 | |
3af9a47b NC |
4449 | if (i >= adata->nfat_arch) |
4450 | { | |
4451 | bfd_set_error (bfd_error_no_more_archived_files); | |
4452 | return NULL; | |
4453 | } | |
4454 | ||
4455 | entry = &adata->archentries[i]; | |
15e1c58a TG |
4456 | nbfd = _bfd_new_bfd_contained_in (archive); |
4457 | if (nbfd == NULL) | |
4458 | return NULL; | |
4459 | ||
15e1c58a TG |
4460 | bfd_mach_o_convert_architecture (entry->cputype, entry->cpusubtype, |
4461 | &arch_type, &arch_subtype); | |
846b9259 | 4462 | |
a4e241ca TG |
4463 | bfd_mach_o_fat_member_init (nbfd, arch_type, arch_subtype, entry); |
4464 | ||
846b9259 | 4465 | bfd_set_arch_mach (nbfd, arch_type, arch_subtype); |
3af9a47b | 4466 | |
15e1c58a | 4467 | return nbfd; |
3af9a47b NC |
4468 | } |
4469 | ||
15bbba8d TG |
4470 | /* Analogous to stat call. */ |
4471 | ||
4472 | static int | |
4473 | bfd_mach_o_fat_stat_arch_elt (bfd *abfd, struct stat *buf) | |
4474 | { | |
4475 | if (abfd->arelt_data == NULL) | |
4476 | { | |
4477 | bfd_set_error (bfd_error_invalid_operation); | |
4478 | return -1; | |
4479 | } | |
4480 | ||
4481 | buf->st_mtime = 0; | |
4482 | buf->st_uid = 0; | |
4483 | buf->st_gid = 0; | |
4484 | buf->st_mode = 0644; | |
4485 | buf->st_size = arelt_size (abfd); | |
4486 | ||
4487 | return 0; | |
4488 | } | |
4489 | ||
846b9259 TG |
4490 | /* If ABFD format is FORMAT and architecture is ARCH, return it. |
4491 | If ABFD is a fat image containing a member that corresponds to FORMAT | |
4492 | and ARCH, returns it. | |
4493 | In other case, returns NULL. | |
4494 | This function allows transparent uses of fat images. */ | |
a4e241ca | 4495 | |
846b9259 TG |
4496 | bfd * |
4497 | bfd_mach_o_fat_extract (bfd *abfd, | |
4498 | bfd_format format, | |
4499 | const bfd_arch_info_type *arch) | |
4500 | { | |
4501 | bfd *res; | |
4502 | mach_o_fat_data_struct *adata; | |
4503 | unsigned int i; | |
4504 | ||
4505 | if (bfd_check_format (abfd, format)) | |
4506 | { | |
4507 | if (bfd_get_arch_info (abfd) == arch) | |
4508 | return abfd; | |
4509 | return NULL; | |
4510 | } | |
4511 | if (!bfd_check_format (abfd, bfd_archive) | |
4512 | || abfd->xvec != &mach_o_fat_vec) | |
4513 | return NULL; | |
c2f09c75 | 4514 | |
846b9259 TG |
4515 | /* This is a Mach-O fat image. */ |
4516 | adata = (mach_o_fat_data_struct *) abfd->tdata.mach_o_fat_data; | |
4517 | BFD_ASSERT (adata != NULL); | |
4518 | ||
4519 | for (i = 0; i < adata->nfat_arch; i++) | |
4520 | { | |
4521 | struct mach_o_fat_archentry *e = &adata->archentries[i]; | |
4522 | enum bfd_architecture cpu_type; | |
4523 | unsigned long cpu_subtype; | |
4524 | ||
4525 | bfd_mach_o_convert_architecture (e->cputype, e->cpusubtype, | |
4526 | &cpu_type, &cpu_subtype); | |
4527 | if (cpu_type != arch->arch || cpu_subtype != arch->mach) | |
4528 | continue; | |
4529 | ||
4530 | /* The architecture is found. */ | |
4531 | res = _bfd_new_bfd_contained_in (abfd); | |
4532 | if (res == NULL) | |
4533 | return NULL; | |
4534 | ||
a4e241ca | 4535 | bfd_mach_o_fat_member_init (res, cpu_type, cpu_subtype, e); |
846b9259 TG |
4536 | |
4537 | if (bfd_check_format (res, format)) | |
4538 | { | |
4539 | BFD_ASSERT (bfd_get_arch_info (res) == arch); | |
4540 | return res; | |
4541 | } | |
4542 | bfd_close (res); | |
4543 | return NULL; | |
4544 | } | |
4545 | ||
4546 | return NULL; | |
4547 | } | |
4548 | ||
3af9a47b | 4549 | int |
116c20d2 NC |
4550 | bfd_mach_o_lookup_command (bfd *abfd, |
4551 | bfd_mach_o_load_command_type type, | |
4552 | bfd_mach_o_load_command **mcommand) | |
3af9a47b | 4553 | { |
046b007d | 4554 | struct mach_o_data_struct *md = bfd_mach_o_get_data (abfd); |
3af9a47b NC |
4555 | bfd_mach_o_load_command *ncmd = NULL; |
4556 | unsigned int i, num; | |
4557 | ||
3af9a47b NC |
4558 | BFD_ASSERT (md != NULL); |
4559 | BFD_ASSERT (mcommand != NULL); | |
4560 | ||
4561 | num = 0; | |
4562 | for (i = 0; i < md->header.ncmds; i++) | |
4563 | { | |
4564 | struct bfd_mach_o_load_command *cmd = &md->commands[i]; | |
4565 | ||
4566 | if (cmd->type != type) | |
4567 | continue; | |
4568 | ||
4569 | if (num == 0) | |
4570 | ncmd = cmd; | |
4571 | num++; | |
4572 | } | |
4573 | ||
4574 | *mcommand = ncmd; | |
4575 | return num; | |
4576 | } | |
4577 | ||
4578 | unsigned long | |
116c20d2 | 4579 | bfd_mach_o_stack_addr (enum bfd_mach_o_cpu_type type) |
3af9a47b NC |
4580 | { |
4581 | switch (type) | |
4582 | { | |
4583 | case BFD_MACH_O_CPU_TYPE_MC680x0: | |
4584 | return 0x04000000; | |
4585 | case BFD_MACH_O_CPU_TYPE_MC88000: | |
4586 | return 0xffffe000; | |
4587 | case BFD_MACH_O_CPU_TYPE_POWERPC: | |
4588 | return 0xc0000000; | |
4589 | case BFD_MACH_O_CPU_TYPE_I386: | |
4590 | return 0xc0000000; | |
4591 | case BFD_MACH_O_CPU_TYPE_SPARC: | |
4592 | return 0xf0000000; | |
4593 | case BFD_MACH_O_CPU_TYPE_I860: | |
4594 | return 0; | |
4595 | case BFD_MACH_O_CPU_TYPE_HPPA: | |
e84d6fca | 4596 | return 0xc0000000 - 0x04000000; |
3af9a47b NC |
4597 | default: |
4598 | return 0; | |
4599 | } | |
4600 | } | |
4601 | ||
ab76eeaf IS |
4602 | /* The following two tables should be kept, as far as possible, in order of |
4603 | most frequently used entries to optimize their use from gas. */ | |
4604 | ||
c5012cd8 | 4605 | const bfd_mach_o_xlat_name bfd_mach_o_section_type_name[] = |
046b007d TG |
4606 | { |
4607 | { "regular", BFD_MACH_O_S_REGULAR}, | |
ab76eeaf | 4608 | { "coalesced", BFD_MACH_O_S_COALESCED}, |
046b007d TG |
4609 | { "zerofill", BFD_MACH_O_S_ZEROFILL}, |
4610 | { "cstring_literals", BFD_MACH_O_S_CSTRING_LITERALS}, | |
4611 | { "4byte_literals", BFD_MACH_O_S_4BYTE_LITERALS}, | |
4612 | { "8byte_literals", BFD_MACH_O_S_8BYTE_LITERALS}, | |
ab76eeaf | 4613 | { "16byte_literals", BFD_MACH_O_S_16BYTE_LITERALS}, |
046b007d | 4614 | { "literal_pointers", BFD_MACH_O_S_LITERAL_POINTERS}, |
046b007d TG |
4615 | { "mod_init_func_pointers", BFD_MACH_O_S_MOD_INIT_FUNC_POINTERS}, |
4616 | { "mod_fini_func_pointers", BFD_MACH_O_S_MOD_FINI_FUNC_POINTERS}, | |
046b007d TG |
4617 | { "gb_zerofill", BFD_MACH_O_S_GB_ZEROFILL}, |
4618 | { "interposing", BFD_MACH_O_S_INTERPOSING}, | |
046b007d | 4619 | { "dtrace_dof", BFD_MACH_O_S_DTRACE_DOF}, |
ab76eeaf IS |
4620 | { "non_lazy_symbol_pointers", BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS}, |
4621 | { "lazy_symbol_pointers", BFD_MACH_O_S_LAZY_SYMBOL_POINTERS}, | |
a4551119 | 4622 | { "symbol_stubs", BFD_MACH_O_S_SYMBOL_STUBS}, |
046b007d TG |
4623 | { "lazy_dylib_symbol_pointers", BFD_MACH_O_S_LAZY_DYLIB_SYMBOL_POINTERS}, |
4624 | { NULL, 0} | |
4625 | }; | |
4626 | ||
c5012cd8 | 4627 | const bfd_mach_o_xlat_name bfd_mach_o_section_attribute_name[] = |
046b007d | 4628 | { |
ab76eeaf IS |
4629 | { "pure_instructions", BFD_MACH_O_S_ATTR_PURE_INSTRUCTIONS }, |
4630 | { "some_instructions", BFD_MACH_O_S_ATTR_SOME_INSTRUCTIONS }, | |
046b007d TG |
4631 | { "loc_reloc", BFD_MACH_O_S_ATTR_LOC_RELOC }, |
4632 | { "ext_reloc", BFD_MACH_O_S_ATTR_EXT_RELOC }, | |
046b007d | 4633 | { "debug", BFD_MACH_O_S_ATTR_DEBUG }, |
046b007d TG |
4634 | { "live_support", BFD_MACH_O_S_ATTR_LIVE_SUPPORT }, |
4635 | { "no_dead_strip", BFD_MACH_O_S_ATTR_NO_DEAD_STRIP }, | |
4636 | { "strip_static_syms", BFD_MACH_O_S_ATTR_STRIP_STATIC_SYMS }, | |
4637 | { "no_toc", BFD_MACH_O_S_ATTR_NO_TOC }, | |
a4551119 | 4638 | { "self_modifying_code", BFD_MACH_O_S_SELF_MODIFYING_CODE }, |
ab76eeaf | 4639 | { "modifying_code", BFD_MACH_O_S_SELF_MODIFYING_CODE }, |
046b007d TG |
4640 | { NULL, 0} |
4641 | }; | |
4642 | ||
a4551119 | 4643 | /* Get the section type from NAME. Return 256 if NAME is unknown. */ |
53d58d96 TG |
4644 | |
4645 | unsigned int | |
ab76eeaf | 4646 | bfd_mach_o_get_section_type_from_name (bfd *abfd, const char *name) |
53d58d96 | 4647 | { |
afbb9e17 | 4648 | const bfd_mach_o_xlat_name *x; |
ab76eeaf | 4649 | bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd); |
53d58d96 TG |
4650 | |
4651 | for (x = bfd_mach_o_section_type_name; x->name; x++) | |
4652 | if (strcmp (x->name, name) == 0) | |
ab76eeaf IS |
4653 | { |
4654 | /* We found it... does the target support it? */ | |
4655 | if (bed->bfd_mach_o_section_type_valid_for_target == NULL | |
4656 | || bed->bfd_mach_o_section_type_valid_for_target (x->val)) | |
4657 | return x->val; /* OK. */ | |
4658 | else | |
4659 | break; /* Not supported. */ | |
4660 | } | |
a4551119 TG |
4661 | /* Maximum section ID = 0xff. */ |
4662 | return 256; | |
53d58d96 TG |
4663 | } |
4664 | ||
4665 | /* Get the section attribute from NAME. Return -1 if NAME is unknown. */ | |
4666 | ||
4667 | unsigned int | |
4668 | bfd_mach_o_get_section_attribute_from_name (const char *name) | |
4669 | { | |
afbb9e17 | 4670 | const bfd_mach_o_xlat_name *x; |
53d58d96 TG |
4671 | |
4672 | for (x = bfd_mach_o_section_attribute_name; x->name; x++) | |
4673 | if (strcmp (x->name, name) == 0) | |
4674 | return x->val; | |
4675 | return (unsigned int)-1; | |
4676 | } | |
4677 | ||
3af9a47b | 4678 | int |
116c20d2 NC |
4679 | bfd_mach_o_core_fetch_environment (bfd *abfd, |
4680 | unsigned char **rbuf, | |
4681 | unsigned int *rlen) | |
3af9a47b | 4682 | { |
046b007d | 4683 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
3af9a47b NC |
4684 | unsigned long stackaddr = bfd_mach_o_stack_addr (mdata->header.cputype); |
4685 | unsigned int i = 0; | |
4686 | ||
4687 | for (i = 0; i < mdata->header.ncmds; i++) | |
4688 | { | |
4689 | bfd_mach_o_load_command *cur = &mdata->commands[i]; | |
4690 | bfd_mach_o_segment_command *seg = NULL; | |
4691 | ||
4692 | if (cur->type != BFD_MACH_O_LC_SEGMENT) | |
4693 | continue; | |
4694 | ||
4695 | seg = &cur->command.segment; | |
4696 | ||
4697 | if ((seg->vmaddr + seg->vmsize) == stackaddr) | |
4698 | { | |
4699 | unsigned long start = seg->fileoff; | |
4700 | unsigned long end = seg->fileoff + seg->filesize; | |
4701 | unsigned char *buf = bfd_malloc (1024); | |
4702 | unsigned long size = 1024; | |
4703 | ||
4704 | for (;;) | |
4705 | { | |
4706 | bfd_size_type nread = 0; | |
4707 | unsigned long offset; | |
4708 | int found_nonnull = 0; | |
4709 | ||
4710 | if (size > (end - start)) | |
4711 | size = (end - start); | |
4712 | ||
515ef31d NC |
4713 | buf = bfd_realloc_or_free (buf, size); |
4714 | if (buf == NULL) | |
4715 | return -1; | |
c2f09c75 TG |
4716 | |
4717 | if (bfd_seek (abfd, end - size, SEEK_SET) != 0) | |
4718 | { | |
4719 | free (buf); | |
4720 | return -1; | |
4721 | } | |
4722 | ||
3af9a47b | 4723 | nread = bfd_bread (buf, size, abfd); |
a95a4550 | 4724 | |
3af9a47b | 4725 | if (nread != size) |
515ef31d NC |
4726 | { |
4727 | free (buf); | |
4728 | return -1; | |
4729 | } | |
a95a4550 | 4730 | |
3af9a47b NC |
4731 | for (offset = 4; offset <= size; offset += 4) |
4732 | { | |
e84d6fca | 4733 | unsigned long val; |
3af9a47b | 4734 | |
e84d6fca | 4735 | val = *((unsigned long *) (buf + size - offset)); |
3af9a47b NC |
4736 | if (! found_nonnull) |
4737 | { | |
4738 | if (val != 0) | |
4739 | found_nonnull = 1; | |
4740 | } | |
4741 | else if (val == 0x0) | |
4742 | { | |
e84d6fca AM |
4743 | unsigned long bottom; |
4744 | unsigned long top; | |
3af9a47b | 4745 | |
e84d6fca AM |
4746 | bottom = seg->fileoff + seg->filesize - offset; |
4747 | top = seg->fileoff + seg->filesize - 4; | |
3af9a47b NC |
4748 | *rbuf = bfd_malloc (top - bottom); |
4749 | *rlen = top - bottom; | |
4750 | ||
4751 | memcpy (*rbuf, buf + size - *rlen, *rlen); | |
515ef31d | 4752 | free (buf); |
3af9a47b NC |
4753 | return 0; |
4754 | } | |
4755 | } | |
4756 | ||
4757 | if (size == (end - start)) | |
4758 | break; | |
4759 | ||
4760 | size *= 2; | |
4761 | } | |
515ef31d NC |
4762 | |
4763 | free (buf); | |
3af9a47b NC |
4764 | } |
4765 | } | |
4766 | ||
4767 | return -1; | |
4768 | } | |
4769 | ||
4770 | char * | |
116c20d2 | 4771 | bfd_mach_o_core_file_failing_command (bfd *abfd) |
3af9a47b NC |
4772 | { |
4773 | unsigned char *buf = NULL; | |
4774 | unsigned int len = 0; | |
4775 | int ret = -1; | |
4776 | ||
4777 | ret = bfd_mach_o_core_fetch_environment (abfd, &buf, &len); | |
4778 | if (ret < 0) | |
4779 | return NULL; | |
4780 | ||
f075ee0c | 4781 | return (char *) buf; |
3af9a47b NC |
4782 | } |
4783 | ||
4784 | int | |
116c20d2 | 4785 | bfd_mach_o_core_file_failing_signal (bfd *abfd ATTRIBUTE_UNUSED) |
3af9a47b NC |
4786 | { |
4787 | return 0; | |
4788 | } | |
4789 | ||
2ca7691a TG |
4790 | static bfd_mach_o_uuid_command * |
4791 | bfd_mach_o_lookup_uuid_command (bfd *abfd) | |
4792 | { | |
4793 | bfd_mach_o_load_command *uuid_cmd; | |
4794 | int ncmd = bfd_mach_o_lookup_command (abfd, BFD_MACH_O_LC_UUID, &uuid_cmd); | |
4795 | if (ncmd != 1) | |
4796 | return FALSE; | |
4797 | return &uuid_cmd->command.uuid; | |
4798 | } | |
4799 | ||
4800 | /* Return true if ABFD is a dSYM file and its UUID matches UUID_CMD. */ | |
4801 | ||
4802 | static bfd_boolean | |
4803 | bfd_mach_o_dsym_for_uuid_p (bfd *abfd, const bfd_mach_o_uuid_command *uuid_cmd) | |
4804 | { | |
4805 | bfd_mach_o_uuid_command *dsym_uuid_cmd; | |
4806 | ||
4807 | BFD_ASSERT (abfd); | |
4808 | BFD_ASSERT (uuid_cmd); | |
4809 | ||
4810 | if (!bfd_check_format (abfd, bfd_object)) | |
4811 | return FALSE; | |
4812 | ||
4813 | if (bfd_get_flavour (abfd) != bfd_target_mach_o_flavour | |
4814 | || bfd_mach_o_get_data (abfd) == NULL | |
4815 | || bfd_mach_o_get_data (abfd)->header.filetype != BFD_MACH_O_MH_DSYM) | |
4816 | return FALSE; | |
4817 | ||
4818 | dsym_uuid_cmd = bfd_mach_o_lookup_uuid_command (abfd); | |
4819 | if (dsym_uuid_cmd == NULL) | |
4820 | return FALSE; | |
4821 | ||
4822 | if (memcmp (uuid_cmd->uuid, dsym_uuid_cmd->uuid, | |
4823 | sizeof (uuid_cmd->uuid)) != 0) | |
4824 | return FALSE; | |
4825 | ||
4826 | return TRUE; | |
4827 | } | |
4828 | ||
4829 | /* Find a BFD in DSYM_FILENAME which matches ARCH and UUID_CMD. | |
4830 | The caller is responsible for closing the returned BFD object and | |
4831 | its my_archive if the returned BFD is in a fat dSYM. */ | |
4832 | ||
4833 | static bfd * | |
4834 | bfd_mach_o_find_dsym (const char *dsym_filename, | |
4835 | const bfd_mach_o_uuid_command *uuid_cmd, | |
4836 | const bfd_arch_info_type *arch) | |
4837 | { | |
4838 | bfd *base_dsym_bfd, *dsym_bfd; | |
4839 | ||
4840 | BFD_ASSERT (uuid_cmd); | |
4841 | ||
4842 | base_dsym_bfd = bfd_openr (dsym_filename, NULL); | |
4843 | if (base_dsym_bfd == NULL) | |
4844 | return NULL; | |
4845 | ||
4846 | dsym_bfd = bfd_mach_o_fat_extract (base_dsym_bfd, bfd_object, arch); | |
4847 | if (bfd_mach_o_dsym_for_uuid_p (dsym_bfd, uuid_cmd)) | |
4848 | return dsym_bfd; | |
4849 | ||
4850 | bfd_close (dsym_bfd); | |
4851 | if (base_dsym_bfd != dsym_bfd) | |
4852 | bfd_close (base_dsym_bfd); | |
4853 | ||
4854 | return NULL; | |
4855 | } | |
4856 | ||
4857 | /* Return a BFD created from a dSYM file for ABFD. | |
4858 | The caller is responsible for closing the returned BFD object, its | |
4859 | filename, and its my_archive if the returned BFD is in a fat dSYM. */ | |
4860 | ||
4861 | static bfd * | |
4862 | bfd_mach_o_follow_dsym (bfd *abfd) | |
4863 | { | |
4864 | char *dsym_filename; | |
4865 | bfd_mach_o_uuid_command *uuid_cmd; | |
4866 | bfd *dsym_bfd, *base_bfd = abfd; | |
4867 | const char *base_basename; | |
4868 | ||
4869 | if (abfd == NULL || bfd_get_flavour (abfd) != bfd_target_mach_o_flavour) | |
4870 | return NULL; | |
4871 | ||
4872 | if (abfd->my_archive) | |
4873 | base_bfd = abfd->my_archive; | |
4874 | /* BFD may have been opened from a stream. */ | |
4875 | if (base_bfd->filename == NULL) | |
4876 | { | |
4877 | bfd_set_error (bfd_error_invalid_operation); | |
4878 | return NULL; | |
4879 | } | |
4880 | base_basename = lbasename (base_bfd->filename); | |
4881 | ||
4882 | uuid_cmd = bfd_mach_o_lookup_uuid_command (abfd); | |
4883 | if (uuid_cmd == NULL) | |
4884 | return NULL; | |
4885 | ||
4886 | /* TODO: We assume the DWARF file has the same as the binary's. | |
4887 | It seems apple's GDB checks all files in the dSYM bundle directory. | |
4888 | http://opensource.apple.com/source/gdb/gdb-1708/src/gdb/macosx/macosx-tdep.c | |
4889 | */ | |
4890 | dsym_filename = (char *)bfd_malloc (strlen (base_bfd->filename) | |
4891 | + strlen (dsym_subdir) + 1 | |
4892 | + strlen (base_basename) + 1); | |
4893 | sprintf (dsym_filename, "%s%s/%s", | |
4894 | base_bfd->filename, dsym_subdir, base_basename); | |
4895 | ||
4896 | dsym_bfd = bfd_mach_o_find_dsym (dsym_filename, uuid_cmd, | |
4897 | bfd_get_arch_info (abfd)); | |
4898 | if (dsym_bfd == NULL) | |
4899 | free (dsym_filename); | |
4900 | ||
4901 | return dsym_bfd; | |
4902 | } | |
4903 | ||
d9071b0c TG |
4904 | bfd_boolean |
4905 | bfd_mach_o_find_nearest_line (bfd *abfd, | |
4906 | asection *section, | |
4907 | asymbol **symbols, | |
4908 | bfd_vma offset, | |
4909 | const char **filename_ptr, | |
4910 | const char **functionname_ptr, | |
4911 | unsigned int *line_ptr) | |
4912 | { | |
4913 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
2ca7691a | 4914 | if (mdata == NULL) |
d9071b0c | 4915 | return FALSE; |
2ca7691a TG |
4916 | switch (mdata->header.filetype) |
4917 | { | |
4918 | case BFD_MACH_O_MH_OBJECT: | |
4919 | break; | |
4920 | case BFD_MACH_O_MH_EXECUTE: | |
4921 | case BFD_MACH_O_MH_DYLIB: | |
4922 | case BFD_MACH_O_MH_BUNDLE: | |
4923 | case BFD_MACH_O_MH_KEXT_BUNDLE: | |
4924 | if (mdata->dwarf2_find_line_info == NULL) | |
4925 | { | |
4926 | mdata->dsym_bfd = bfd_mach_o_follow_dsym (abfd); | |
4927 | /* When we couldn't find dSYM for this binary, we look for | |
4928 | the debug information in the binary itself. In this way, | |
4929 | we won't try finding separated dSYM again because | |
4930 | mdata->dwarf2_find_line_info will be filled. */ | |
4931 | if (! mdata->dsym_bfd) | |
4932 | break; | |
4933 | if (! _bfd_dwarf2_slurp_debug_info (abfd, mdata->dsym_bfd, | |
4934 | dwarf_debug_sections, symbols, | |
4935 | &mdata->dwarf2_find_line_info)) | |
4936 | return FALSE; | |
4937 | } | |
4938 | break; | |
4939 | default: | |
4940 | return FALSE; | |
4941 | } | |
d9071b0c TG |
4942 | if (_bfd_dwarf2_find_nearest_line (abfd, dwarf_debug_sections, |
4943 | section, symbols, offset, | |
4944 | filename_ptr, functionname_ptr, | |
9b8d1a36 | 4945 | line_ptr, NULL, 0, |
d9071b0c TG |
4946 | &mdata->dwarf2_find_line_info)) |
4947 | return TRUE; | |
4948 | return FALSE; | |
4949 | } | |
4950 | ||
4951 | bfd_boolean | |
4952 | bfd_mach_o_close_and_cleanup (bfd *abfd) | |
4953 | { | |
4954 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
4955 | if (bfd_get_format (abfd) == bfd_object && mdata != NULL) | |
4434114c TG |
4956 | { |
4957 | _bfd_dwarf2_cleanup_debug_info (abfd, &mdata->dwarf2_find_line_info); | |
4958 | bfd_mach_o_free_cached_info (abfd); | |
2ca7691a TG |
4959 | if (mdata->dsym_bfd != NULL) |
4960 | { | |
4961 | bfd *fat_bfd = mdata->dsym_bfd->my_archive; | |
4962 | char *dsym_filename = (char *)(fat_bfd | |
4963 | ? fat_bfd->filename | |
4964 | : mdata->dsym_bfd->filename); | |
4965 | bfd_close (mdata->dsym_bfd); | |
4966 | mdata->dsym_bfd = NULL; | |
4967 | if (fat_bfd) | |
4968 | bfd_close (fat_bfd); | |
4969 | free (dsym_filename); | |
4970 | } | |
4434114c | 4971 | } |
dff55db0 | 4972 | |
8c746b96 AM |
4973 | if (bfd_get_format (abfd) == bfd_archive |
4974 | && abfd->xvec == &mach_o_fat_vec) | |
4975 | return TRUE; | |
d9071b0c TG |
4976 | return _bfd_generic_close_and_cleanup (abfd); |
4977 | } | |
4978 | ||
dff55db0 TG |
4979 | bfd_boolean bfd_mach_o_free_cached_info (bfd *abfd) |
4980 | { | |
4981 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
4982 | asection *asect; | |
4983 | free (mdata->dyn_reloc_cache); | |
4984 | mdata->dyn_reloc_cache = NULL; | |
4985 | for (asect = abfd->sections; asect != NULL; asect = asect->next) | |
4986 | { | |
4987 | free (asect->relocation); | |
4988 | asect->relocation = NULL; | |
4989 | } | |
4990 | ||
4991 | return TRUE; | |
4992 | } | |
4993 | ||
68ffbac6 | 4994 | #define bfd_mach_o_bfd_reloc_type_lookup _bfd_norelocs_bfd_reloc_type_lookup |
92bc0e80 TG |
4995 | #define bfd_mach_o_bfd_reloc_name_lookup _bfd_norelocs_bfd_reloc_name_lookup |
4996 | ||
4997 | #define bfd_mach_o_swap_reloc_in NULL | |
4998 | #define bfd_mach_o_swap_reloc_out NULL | |
b32e07d7 | 4999 | #define bfd_mach_o_print_thread NULL |
a4551119 | 5000 | #define bfd_mach_o_tgt_seg_table NULL |
ab76eeaf | 5001 | #define bfd_mach_o_section_type_valid_for_tgt NULL |
92bc0e80 | 5002 | |
116c20d2 NC |
5003 | #define TARGET_NAME mach_o_be_vec |
5004 | #define TARGET_STRING "mach-o-be" | |
42fa0891 | 5005 | #define TARGET_ARCHITECTURE bfd_arch_unknown |
116c20d2 NC |
5006 | #define TARGET_BIG_ENDIAN 1 |
5007 | #define TARGET_ARCHIVE 0 | |
b93a1992 | 5008 | #define TARGET_PRIORITY 1 |
3af9a47b NC |
5009 | #include "mach-o-target.c" |
5010 | ||
5011 | #undef TARGET_NAME | |
5012 | #undef TARGET_STRING | |
42fa0891 | 5013 | #undef TARGET_ARCHITECTURE |
3af9a47b NC |
5014 | #undef TARGET_BIG_ENDIAN |
5015 | #undef TARGET_ARCHIVE | |
b93a1992 | 5016 | #undef TARGET_PRIORITY |
3af9a47b | 5017 | |
116c20d2 NC |
5018 | #define TARGET_NAME mach_o_le_vec |
5019 | #define TARGET_STRING "mach-o-le" | |
42fa0891 | 5020 | #define TARGET_ARCHITECTURE bfd_arch_unknown |
116c20d2 NC |
5021 | #define TARGET_BIG_ENDIAN 0 |
5022 | #define TARGET_ARCHIVE 0 | |
b93a1992 | 5023 | #define TARGET_PRIORITY 1 |
3af9a47b NC |
5024 | |
5025 | #include "mach-o-target.c" | |
5026 | ||
5027 | #undef TARGET_NAME | |
5028 | #undef TARGET_STRING | |
42fa0891 | 5029 | #undef TARGET_ARCHITECTURE |
3af9a47b NC |
5030 | #undef TARGET_BIG_ENDIAN |
5031 | #undef TARGET_ARCHIVE | |
b93a1992 | 5032 | #undef TARGET_PRIORITY |
3af9a47b | 5033 | |
8f95b6e4 TG |
5034 | /* Not yet handled: creating an archive. */ |
5035 | #define bfd_mach_o_mkarchive _bfd_noarchive_mkarchive | |
5036 | ||
5037 | /* Not used. */ | |
5038 | #define bfd_mach_o_read_ar_hdr _bfd_noarchive_read_ar_hdr | |
5039 | #define bfd_mach_o_write_ar_hdr _bfd_noarchive_write_ar_hdr | |
5040 | #define bfd_mach_o_slurp_armap _bfd_noarchive_slurp_armap | |
5041 | #define bfd_mach_o_slurp_extended_name_table _bfd_noarchive_slurp_extended_name_table | |
5042 | #define bfd_mach_o_construct_extended_name_table _bfd_noarchive_construct_extended_name_table | |
5043 | #define bfd_mach_o_truncate_arname _bfd_noarchive_truncate_arname | |
5044 | #define bfd_mach_o_write_armap _bfd_noarchive_write_armap | |
5045 | #define bfd_mach_o_get_elt_at_index _bfd_noarchive_get_elt_at_index | |
15bbba8d | 5046 | #define bfd_mach_o_generic_stat_arch_elt bfd_mach_o_fat_stat_arch_elt |
8f95b6e4 TG |
5047 | #define bfd_mach_o_update_armap_timestamp _bfd_noarchive_update_armap_timestamp |
5048 | ||
116c20d2 NC |
5049 | #define TARGET_NAME mach_o_fat_vec |
5050 | #define TARGET_STRING "mach-o-fat" | |
42fa0891 | 5051 | #define TARGET_ARCHITECTURE bfd_arch_unknown |
116c20d2 NC |
5052 | #define TARGET_BIG_ENDIAN 1 |
5053 | #define TARGET_ARCHIVE 1 | |
b93a1992 | 5054 | #define TARGET_PRIORITY 0 |
3af9a47b NC |
5055 | |
5056 | #include "mach-o-target.c" | |
5057 | ||
5058 | #undef TARGET_NAME | |
5059 | #undef TARGET_STRING | |
42fa0891 | 5060 | #undef TARGET_ARCHITECTURE |
3af9a47b NC |
5061 | #undef TARGET_BIG_ENDIAN |
5062 | #undef TARGET_ARCHIVE | |
b93a1992 | 5063 | #undef TARGET_PRIORITY |