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3af9a47b | 1 | /* Mach-O support for BFD. |
a253d456 | 2 | Copyright 1999-2013 Free Software Foundation, Inc. |
3af9a47b NC |
3 | |
4 | This file is part of BFD, the Binary File Descriptor library. | |
5 | ||
6 | This program is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
cd123cb7 | 8 | the Free Software Foundation; either version 3 of the License, or |
3af9a47b NC |
9 | (at your option) any later version. |
10 | ||
11 | This program is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
a95a4550 | 17 | along with this program; if not, write to the Free Software |
cd123cb7 NC |
18 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
19 | MA 02110-1301, USA. */ | |
3af9a47b | 20 | |
3db64b00 | 21 | #include "sysdep.h" |
3af9a47b NC |
22 | #include "mach-o.h" |
23 | #include "bfd.h" | |
3af9a47b NC |
24 | #include "libbfd.h" |
25 | #include "libiberty.h" | |
15e1c58a | 26 | #include "aout/stab_gnu.h" |
46d1c23b TG |
27 | #include "mach-o/reloc.h" |
28 | #include "mach-o/external.h" | |
3af9a47b | 29 | #include <ctype.h> |
7f307238 IS |
30 | #include <stdlib.h> |
31 | #include <string.h> | |
3af9a47b | 32 | |
154a1ee5 TG |
33 | #define bfd_mach_o_object_p bfd_mach_o_gen_object_p |
34 | #define bfd_mach_o_core_p bfd_mach_o_gen_core_p | |
42fa0891 | 35 | #define bfd_mach_o_mkobject bfd_mach_o_gen_mkobject |
116c20d2 | 36 | |
92bc0e80 TG |
37 | #define FILE_ALIGN(off, algn) \ |
38 | (((off) + ((file_ptr) 1 << (algn)) - 1) & ((file_ptr) -1 << (algn))) | |
39 | ||
c2f09c75 | 40 | unsigned int |
1e8a024a TG |
41 | bfd_mach_o_version (bfd *abfd) |
42 | { | |
43 | bfd_mach_o_data_struct *mdata = NULL; | |
44 | ||
45 | BFD_ASSERT (bfd_mach_o_valid (abfd)); | |
046b007d | 46 | mdata = bfd_mach_o_get_data (abfd); |
1e8a024a TG |
47 | |
48 | return mdata->header.version; | |
49 | } | |
50 | ||
b34976b6 | 51 | bfd_boolean |
116c20d2 | 52 | bfd_mach_o_valid (bfd *abfd) |
3af9a47b NC |
53 | { |
54 | if (abfd == NULL || abfd->xvec == NULL) | |
154a1ee5 | 55 | return FALSE; |
3af9a47b | 56 | |
154a1ee5 TG |
57 | if (abfd->xvec->flavour != bfd_target_mach_o_flavour) |
58 | return FALSE; | |
3af9a47b | 59 | |
046b007d | 60 | if (bfd_mach_o_get_data (abfd) == NULL) |
154a1ee5 TG |
61 | return FALSE; |
62 | return TRUE; | |
63 | } | |
64 | ||
c2f09c75 TG |
65 | static INLINE bfd_boolean |
66 | mach_o_wide_p (bfd_mach_o_header *header) | |
67 | { | |
68 | switch (header->version) | |
69 | { | |
70 | case 1: | |
71 | return FALSE; | |
72 | case 2: | |
73 | return TRUE; | |
74 | default: | |
75 | BFD_FAIL (); | |
76 | return FALSE; | |
77 | } | |
78 | } | |
79 | ||
80 | static INLINE bfd_boolean | |
81 | bfd_mach_o_wide_p (bfd *abfd) | |
82 | { | |
046b007d | 83 | return mach_o_wide_p (&bfd_mach_o_get_data (abfd)->header); |
c2f09c75 | 84 | } |
68ffbac6 | 85 | |
154a1ee5 TG |
86 | /* Tables to translate well known Mach-O segment/section names to bfd |
87 | names. Use of canonical names (such as .text or .debug_frame) is required | |
88 | by gdb. */ | |
89 | ||
a4551119 TG |
90 | /* __TEXT Segment. */ |
91 | static const mach_o_section_name_xlat text_section_names_xlat[] = | |
154a1ee5 | 92 | { |
68ffbac6 | 93 | { ".text", "__text", |
a4551119 TG |
94 | SEC_CODE | SEC_LOAD, BFD_MACH_O_S_REGULAR, |
95 | BFD_MACH_O_S_ATTR_PURE_INSTRUCTIONS, 0}, | |
96 | { ".const", "__const", | |
97 | SEC_READONLY | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
98 | BFD_MACH_O_S_ATTR_NONE, 0}, | |
99 | { ".static_const", "__static_const", | |
100 | SEC_READONLY | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
101 | BFD_MACH_O_S_ATTR_NONE, 0}, | |
102 | { ".cstring", "__cstring", | |
103 | SEC_READONLY | SEC_DATA | SEC_LOAD | SEC_MERGE | SEC_STRINGS, | |
104 | BFD_MACH_O_S_CSTRING_LITERALS, | |
105 | BFD_MACH_O_S_ATTR_NONE, 0}, | |
106 | { ".literal4", "__literal4", | |
107 | SEC_READONLY | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_4BYTE_LITERALS, | |
108 | BFD_MACH_O_S_ATTR_NONE, 2}, | |
109 | { ".literal8", "__literal8", | |
110 | SEC_READONLY | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_8BYTE_LITERALS, | |
111 | BFD_MACH_O_S_ATTR_NONE, 3}, | |
112 | { ".literal16", "__literal16", | |
113 | SEC_READONLY | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_16BYTE_LITERALS, | |
114 | BFD_MACH_O_S_ATTR_NONE, 4}, | |
115 | { ".constructor", "__constructor", | |
116 | SEC_CODE | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
117 | BFD_MACH_O_S_ATTR_NONE, 0}, | |
118 | { ".destructor", "__destructor", | |
119 | SEC_CODE | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
120 | BFD_MACH_O_S_ATTR_NONE, 0}, | |
121 | { ".eh_frame", "__eh_frame", | |
632039e0 | 122 | SEC_READONLY | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_COALESCED, |
a4551119 TG |
123 | BFD_MACH_O_S_ATTR_LIVE_SUPPORT |
124 | | BFD_MACH_O_S_ATTR_STRIP_STATIC_SYMS | |
632039e0 | 125 | | BFD_MACH_O_S_ATTR_NO_TOC, 2}, |
a4551119 | 126 | { NULL, NULL, 0, 0, 0, 0} |
154a1ee5 TG |
127 | }; |
128 | ||
a4551119 TG |
129 | /* __DATA Segment. */ |
130 | static const mach_o_section_name_xlat data_section_names_xlat[] = | |
154a1ee5 | 131 | { |
a4551119 TG |
132 | { ".data", "__data", |
133 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
134 | BFD_MACH_O_S_ATTR_NONE, 0}, | |
135 | { ".bss", "__bss", | |
136 | SEC_NO_FLAGS, BFD_MACH_O_S_ZEROFILL, | |
137 | BFD_MACH_O_S_ATTR_NONE, 0}, | |
138 | { ".const_data", "__const", | |
139 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
140 | BFD_MACH_O_S_ATTR_NONE, 0}, | |
141 | { ".static_data", "__static_data", | |
142 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
143 | BFD_MACH_O_S_ATTR_NONE, 0}, | |
144 | { ".mod_init_func", "__mod_init_func", | |
145 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_MOD_INIT_FUNC_POINTERS, | |
146 | BFD_MACH_O_S_ATTR_NONE, 2}, | |
147 | { ".mod_term_func", "__mod_term_func", | |
148 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_MOD_FINI_FUNC_POINTERS, | |
149 | BFD_MACH_O_S_ATTR_NONE, 2}, | |
150 | { ".dyld", "__dyld", | |
151 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
152 | BFD_MACH_O_S_ATTR_NONE, 0}, | |
153 | { ".cfstring", "__cfstring", | |
154 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
155 | BFD_MACH_O_S_ATTR_NONE, 2}, | |
156 | { NULL, NULL, 0, 0, 0, 0} | |
154a1ee5 TG |
157 | }; |
158 | ||
a4551119 TG |
159 | /* __DWARF Segment. */ |
160 | static const mach_o_section_name_xlat dwarf_section_names_xlat[] = | |
154a1ee5 | 161 | { |
a4551119 TG |
162 | { ".debug_frame", "__debug_frame", |
163 | SEC_DEBUGGING, BFD_MACH_O_S_REGULAR, | |
164 | BFD_MACH_O_S_ATTR_DEBUG, 0}, | |
165 | { ".debug_info", "__debug_info", | |
166 | SEC_DEBUGGING, BFD_MACH_O_S_REGULAR, | |
167 | BFD_MACH_O_S_ATTR_DEBUG, 0}, | |
168 | { ".debug_abbrev", "__debug_abbrev", | |
169 | SEC_DEBUGGING, BFD_MACH_O_S_REGULAR, | |
170 | BFD_MACH_O_S_ATTR_DEBUG, 0}, | |
171 | { ".debug_aranges", "__debug_aranges", | |
172 | SEC_DEBUGGING, BFD_MACH_O_S_REGULAR, | |
173 | BFD_MACH_O_S_ATTR_DEBUG, 0}, | |
174 | { ".debug_macinfo", "__debug_macinfo", | |
175 | SEC_DEBUGGING, BFD_MACH_O_S_REGULAR, | |
176 | BFD_MACH_O_S_ATTR_DEBUG, 0}, | |
177 | { ".debug_line", "__debug_line", | |
178 | SEC_DEBUGGING, BFD_MACH_O_S_REGULAR, | |
179 | BFD_MACH_O_S_ATTR_DEBUG, 0}, | |
180 | { ".debug_loc", "__debug_loc", | |
181 | SEC_DEBUGGING, BFD_MACH_O_S_REGULAR, | |
182 | BFD_MACH_O_S_ATTR_DEBUG, 0}, | |
183 | { ".debug_pubnames", "__debug_pubnames", | |
184 | SEC_DEBUGGING, BFD_MACH_O_S_REGULAR, | |
185 | BFD_MACH_O_S_ATTR_DEBUG, 0}, | |
186 | { ".debug_pubtypes", "__debug_pubtypes", | |
187 | SEC_DEBUGGING, BFD_MACH_O_S_REGULAR, | |
188 | BFD_MACH_O_S_ATTR_DEBUG, 0}, | |
189 | { ".debug_str", "__debug_str", | |
190 | SEC_DEBUGGING, BFD_MACH_O_S_REGULAR, | |
191 | BFD_MACH_O_S_ATTR_DEBUG, 0}, | |
192 | { ".debug_ranges", "__debug_ranges", | |
193 | SEC_DEBUGGING, BFD_MACH_O_S_REGULAR, | |
194 | BFD_MACH_O_S_ATTR_DEBUG, 0}, | |
195 | { ".debug_macro", "__debug_macro", | |
196 | SEC_DEBUGGING, BFD_MACH_O_S_REGULAR, | |
197 | BFD_MACH_O_S_ATTR_DEBUG, 0}, | |
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; |
3af9a47b | 908 | default: |
1e8a024a TG |
909 | *type = bfd_arch_unknown; |
910 | break; | |
3af9a47b NC |
911 | } |
912 | } | |
a95a4550 | 913 | |
154a1ee5 | 914 | static bfd_boolean |
116c20d2 NC |
915 | bfd_mach_o_write_header (bfd *abfd, bfd_mach_o_header *header) |
916 | { | |
46d1c23b | 917 | struct mach_o_header_external raw; |
1e8a024a TG |
918 | unsigned int size; |
919 | ||
c2f09c75 | 920 | size = mach_o_wide_p (header) ? |
154a1ee5 | 921 | BFD_MACH_O_HEADER_64_SIZE : BFD_MACH_O_HEADER_SIZE; |
116c20d2 | 922 | |
46d1c23b TG |
923 | bfd_h_put_32 (abfd, header->magic, raw.magic); |
924 | bfd_h_put_32 (abfd, header->cputype, raw.cputype); | |
925 | bfd_h_put_32 (abfd, header->cpusubtype, raw.cpusubtype); | |
926 | bfd_h_put_32 (abfd, header->filetype, raw.filetype); | |
927 | bfd_h_put_32 (abfd, header->ncmds, raw.ncmds); | |
928 | bfd_h_put_32 (abfd, header->sizeofcmds, raw.sizeofcmds); | |
929 | bfd_h_put_32 (abfd, header->flags, raw.flags); | |
116c20d2 | 930 | |
c2f09c75 | 931 | if (mach_o_wide_p (header)) |
46d1c23b | 932 | bfd_h_put_32 (abfd, header->reserved, raw.reserved); |
1e8a024a | 933 | |
c2f09c75 | 934 | if (bfd_seek (abfd, 0, SEEK_SET) != 0 |
46d1c23b | 935 | || bfd_bwrite (&raw, size, abfd) != size) |
154a1ee5 | 936 | return FALSE; |
116c20d2 | 937 | |
154a1ee5 | 938 | return TRUE; |
116c20d2 NC |
939 | } |
940 | ||
941 | static int | |
ab273af8 | 942 | bfd_mach_o_write_thread (bfd *abfd, bfd_mach_o_load_command *command) |
116c20d2 NC |
943 | { |
944 | bfd_mach_o_thread_command *cmd = &command->command.thread; | |
945 | unsigned int i; | |
46d1c23b | 946 | struct mach_o_thread_command_external raw; |
92bc0e80 | 947 | unsigned int offset; |
116c20d2 NC |
948 | |
949 | BFD_ASSERT ((command->type == BFD_MACH_O_LC_THREAD) | |
950 | || (command->type == BFD_MACH_O_LC_UNIXTHREAD)); | |
951 | ||
952 | offset = 8; | |
116c20d2 NC |
953 | for (i = 0; i < cmd->nflavours; i++) |
954 | { | |
955 | BFD_ASSERT ((cmd->flavours[i].size % 4) == 0); | |
46d1c23b TG |
956 | BFD_ASSERT (cmd->flavours[i].offset == |
957 | (command->offset + offset + BFD_MACH_O_LC_SIZE)); | |
116c20d2 | 958 | |
46d1c23b TG |
959 | bfd_h_put_32 (abfd, cmd->flavours[i].flavour, raw.flavour); |
960 | bfd_h_put_32 (abfd, (cmd->flavours[i].size / 4), raw.count); | |
116c20d2 | 961 | |
c2f09c75 | 962 | if (bfd_seek (abfd, command->offset + offset, SEEK_SET) != 0 |
46d1c23b | 963 | || bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw)) |
116c20d2 NC |
964 | return -1; |
965 | ||
46d1c23b | 966 | offset += cmd->flavours[i].size + sizeof (raw); |
116c20d2 NC |
967 | } |
968 | ||
969 | return 0; | |
970 | } | |
971 | ||
92bc0e80 TG |
972 | long |
973 | bfd_mach_o_get_reloc_upper_bound (bfd *abfd ATTRIBUTE_UNUSED, | |
974 | asection *asect) | |
975 | { | |
976 | return (asect->reloc_count + 1) * sizeof (arelent *); | |
977 | } | |
978 | ||
19765f52 IS |
979 | /* In addition to the need to byte-swap the symbol number, the bit positions |
980 | of the fields in the relocation information vary per target endian-ness. */ | |
981 | ||
982 | static void | |
983 | bfd_mach_o_swap_in_non_scattered_reloc (bfd *abfd, bfd_mach_o_reloc_info *rel, | |
984 | unsigned char *fields) | |
985 | { | |
986 | unsigned char info = fields[3]; | |
987 | ||
988 | if (bfd_big_endian (abfd)) | |
989 | { | |
990 | rel->r_value = (fields[0] << 16) | (fields[1] << 8) | fields[2]; | |
991 | rel->r_type = (info >> BFD_MACH_O_BE_TYPE_SHIFT) & BFD_MACH_O_TYPE_MASK; | |
992 | rel->r_pcrel = (info & BFD_MACH_O_BE_PCREL) ? 1 : 0; | |
68ffbac6 | 993 | rel->r_length = (info >> BFD_MACH_O_BE_LENGTH_SHIFT) |
19765f52 IS |
994 | & BFD_MACH_O_LENGTH_MASK; |
995 | rel->r_extern = (info & BFD_MACH_O_BE_EXTERN) ? 1 : 0; | |
996 | } | |
997 | else | |
998 | { | |
999 | rel->r_value = (fields[2] << 16) | (fields[1] << 8) | fields[0]; | |
1000 | rel->r_type = (info >> BFD_MACH_O_LE_TYPE_SHIFT) & BFD_MACH_O_TYPE_MASK; | |
1001 | rel->r_pcrel = (info & BFD_MACH_O_LE_PCREL) ? 1 : 0; | |
68ffbac6 | 1002 | rel->r_length = (info >> BFD_MACH_O_LE_LENGTH_SHIFT) |
19765f52 IS |
1003 | & BFD_MACH_O_LENGTH_MASK; |
1004 | rel->r_extern = (info & BFD_MACH_O_LE_EXTERN) ? 1 : 0; | |
1005 | } | |
1006 | } | |
1007 | ||
b32e07d7 | 1008 | static int |
46d1c23b TG |
1009 | bfd_mach_o_canonicalize_one_reloc (bfd *abfd, |
1010 | struct mach_o_reloc_info_external *raw, | |
b32e07d7 | 1011 | arelent *res, asymbol **syms) |
92bc0e80 | 1012 | { |
046b007d | 1013 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
92bc0e80 | 1014 | bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd); |
b32e07d7 TG |
1015 | bfd_mach_o_reloc_info reloc; |
1016 | bfd_vma addr; | |
b32e07d7 TG |
1017 | asymbol **sym; |
1018 | ||
46d1c23b | 1019 | addr = bfd_get_32 (abfd, raw->r_address); |
19765f52 IS |
1020 | res->sym_ptr_ptr = NULL; |
1021 | res->addend = 0; | |
f4716ee2 | 1022 | |
b32e07d7 TG |
1023 | if (addr & BFD_MACH_O_SR_SCATTERED) |
1024 | { | |
1025 | unsigned int j; | |
19765f52 | 1026 | bfd_vma symnum = bfd_get_32 (abfd, raw->r_symbolnum); |
b32e07d7 | 1027 | |
19765f52 IS |
1028 | /* Scattered relocation, can't be extern. */ |
1029 | reloc.r_scattered = 1; | |
1030 | reloc.r_extern = 0; | |
1031 | ||
1032 | /* Extract section and offset from r_value (symnum). */ | |
1033 | reloc.r_value = symnum; | |
1034 | /* FIXME: This breaks when a symbol in a reloc exactly follows the | |
1035 | end of the data for the section (e.g. in a calculation of section | |
1036 | data length). At present, the symbol will end up associated with | |
1037 | the following section or, if it falls within alignment padding, as | |
1038 | null - which will assert later. */ | |
b32e07d7 TG |
1039 | for (j = 0; j < mdata->nsects; j++) |
1040 | { | |
1041 | bfd_mach_o_section *sect = mdata->sections[j]; | |
1042 | if (symnum >= sect->addr && symnum < sect->addr + sect->size) | |
1043 | { | |
1044 | res->sym_ptr_ptr = sect->bfdsection->symbol_ptr_ptr; | |
1045 | res->addend = symnum - sect->addr; | |
1046 | break; | |
1047 | } | |
1048 | } | |
19765f52 IS |
1049 | |
1050 | /* Extract the info and address fields from r_address. */ | |
b32e07d7 TG |
1051 | reloc.r_type = BFD_MACH_O_GET_SR_TYPE (addr); |
1052 | reloc.r_length = BFD_MACH_O_GET_SR_LENGTH (addr); | |
1053 | reloc.r_pcrel = addr & BFD_MACH_O_SR_PCREL; | |
19765f52 IS |
1054 | reloc.r_address = BFD_MACH_O_GET_SR_TYPE (addr); |
1055 | res->address = BFD_MACH_O_GET_SR_ADDRESS (addr); | |
b32e07d7 TG |
1056 | } |
1057 | else | |
1058 | { | |
19765f52 | 1059 | unsigned int num; |
f4716ee2 | 1060 | |
19765f52 IS |
1061 | /* Non-scattered relocation. */ |
1062 | reloc.r_scattered = 0; | |
f4716ee2 | 1063 | |
19765f52 IS |
1064 | /* The value and info fields have to be extracted dependent on target |
1065 | endian-ness. */ | |
1066 | bfd_mach_o_swap_in_non_scattered_reloc (abfd, &reloc, raw->r_symbolnum); | |
1067 | num = reloc.r_value; | |
1068 | ||
1069 | if (reloc.r_extern) | |
f4716ee2 TG |
1070 | { |
1071 | /* An external symbol number. */ | |
1072 | sym = syms + num; | |
1073 | } | |
1074 | else if (num == 0x00ffffff) | |
1075 | { | |
1076 | /* The 'symnum' in a non-scattered PAIR is 0x00ffffff. But as this | |
1077 | is generic code, we don't know wether this is really a PAIR. | |
1078 | This value is almost certainly not a valid section number, hence | |
1079 | this specific case to avoid an assertion failure. | |
1080 | Target specific swap_reloc_in routine should adjust that. */ | |
1081 | sym = bfd_abs_section_ptr->symbol_ptr_ptr; | |
1082 | } | |
1083 | else | |
b32e07d7 | 1084 | { |
f4716ee2 | 1085 | /* A section number. */ |
b32e07d7 TG |
1086 | BFD_ASSERT (num != 0); |
1087 | BFD_ASSERT (num <= mdata->nsects); | |
f4716ee2 | 1088 | |
b32e07d7 | 1089 | sym = mdata->sections[num - 1]->bfdsection->symbol_ptr_ptr; |
1523fa24 TG |
1090 | /* For a symbol defined in section S, the addend (stored in the |
1091 | binary) contains the address of the section. To comply with | |
19765f52 | 1092 | bfd convention, subtract the section address. |
1523fa24 TG |
1093 | Use the address from the header, so that the user can modify |
1094 | the vma of the section. */ | |
1095 | res->addend = -mdata->sections[num - 1]->addr; | |
19765f52 | 1096 | } |
f4716ee2 TG |
1097 | /* Note: Pairs for PPC LO/HI/HA are not scattered, but contain the offset |
1098 | in the lower 16bits of the address value. So we have to find the | |
1099 | 'symbol' from the preceding reloc. We do this even though the | |
1100 | section symbol is probably not needed here, because NULL symbol | |
1101 | values cause an assert in generic BFD code. This must be done in | |
1102 | the PPC swap_reloc_in routine. */ | |
b32e07d7 | 1103 | res->sym_ptr_ptr = sym; |
f4716ee2 | 1104 | |
19765f52 IS |
1105 | /* The 'address' is just r_address. |
1106 | ??? maybe this should be masked with 0xffffff for safety. */ | |
1107 | res->address = addr; | |
1108 | reloc.r_address = addr; | |
b32e07d7 | 1109 | } |
f4716ee2 TG |
1110 | |
1111 | /* We have set up a reloc with all the information present, so the swapper | |
1112 | can modify address, value and addend fields, if necessary, to convey | |
1113 | information in the generic BFD reloc that is mach-o specific. */ | |
19765f52 | 1114 | |
b32e07d7 TG |
1115 | if (!(*bed->_bfd_mach_o_swap_reloc_in)(res, &reloc)) |
1116 | return -1; | |
1117 | return 0; | |
1118 | } | |
1119 | ||
1120 | static int | |
1121 | bfd_mach_o_canonicalize_relocs (bfd *abfd, unsigned long filepos, | |
1122 | unsigned long count, | |
1123 | arelent *res, asymbol **syms) | |
1124 | { | |
92bc0e80 | 1125 | unsigned long i; |
46d1c23b | 1126 | struct mach_o_reloc_info_external *native_relocs; |
92bc0e80 TG |
1127 | bfd_size_type native_size; |
1128 | ||
92bc0e80 | 1129 | /* Allocate and read relocs. */ |
b32e07d7 | 1130 | native_size = count * BFD_MACH_O_RELENT_SIZE; |
46d1c23b TG |
1131 | native_relocs = |
1132 | (struct mach_o_reloc_info_external *) bfd_malloc (native_size); | |
92bc0e80 TG |
1133 | if (native_relocs == NULL) |
1134 | return -1; | |
1135 | ||
b32e07d7 | 1136 | if (bfd_seek (abfd, filepos, SEEK_SET) != 0 |
92bc0e80 | 1137 | || bfd_bread (native_relocs, native_size, abfd) != native_size) |
b32e07d7 TG |
1138 | goto err; |
1139 | ||
1140 | for (i = 0; i < count; i++) | |
92bc0e80 | 1141 | { |
46d1c23b TG |
1142 | if (bfd_mach_o_canonicalize_one_reloc (abfd, &native_relocs[i], |
1143 | &res[i], syms) < 0) | |
b32e07d7 | 1144 | goto err; |
92bc0e80 | 1145 | } |
b32e07d7 TG |
1146 | free (native_relocs); |
1147 | return i; | |
1148 | err: | |
1149 | free (native_relocs); | |
1150 | return -1; | |
1151 | } | |
1152 | ||
1153 | long | |
1154 | bfd_mach_o_canonicalize_reloc (bfd *abfd, asection *asect, | |
1155 | arelent **rels, asymbol **syms) | |
1156 | { | |
1157 | bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd); | |
1158 | unsigned long i; | |
1159 | arelent *res; | |
1160 | ||
1161 | if (asect->reloc_count == 0) | |
1162 | return 0; | |
1163 | ||
1164 | /* No need to go further if we don't know how to read relocs. */ | |
1165 | if (bed->_bfd_mach_o_swap_reloc_in == NULL) | |
1166 | return 0; | |
92bc0e80 | 1167 | |
dff55db0 | 1168 | if (asect->relocation == NULL) |
92bc0e80 | 1169 | { |
dff55db0 TG |
1170 | res = bfd_malloc (asect->reloc_count * sizeof (arelent)); |
1171 | if (res == NULL) | |
1172 | return -1; | |
1173 | ||
1174 | if (bfd_mach_o_canonicalize_relocs (abfd, asect->rel_filepos, | |
1175 | asect->reloc_count, res, syms) < 0) | |
1176 | { | |
1177 | free (res); | |
1178 | return -1; | |
1179 | } | |
1180 | asect->relocation = res; | |
92bc0e80 TG |
1181 | } |
1182 | ||
dff55db0 | 1183 | res = asect->relocation; |
92bc0e80 | 1184 | for (i = 0; i < asect->reloc_count; i++) |
b32e07d7 TG |
1185 | rels[i] = &res[i]; |
1186 | rels[i] = NULL; | |
92bc0e80 | 1187 | |
b32e07d7 TG |
1188 | return i; |
1189 | } | |
92bc0e80 | 1190 | |
b32e07d7 TG |
1191 | long |
1192 | bfd_mach_o_get_dynamic_reloc_upper_bound (bfd *abfd) | |
1193 | { | |
1194 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
92bc0e80 | 1195 | |
b32e07d7 TG |
1196 | if (mdata->dysymtab == NULL) |
1197 | return 1; | |
dff55db0 | 1198 | return (mdata->dysymtab->nextrel + mdata->dysymtab->nlocrel + 1) |
b32e07d7 TG |
1199 | * sizeof (arelent *); |
1200 | } | |
92bc0e80 | 1201 | |
b32e07d7 TG |
1202 | long |
1203 | bfd_mach_o_canonicalize_dynamic_reloc (bfd *abfd, arelent **rels, | |
1204 | struct bfd_symbol **syms) | |
1205 | { | |
1206 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
1207 | bfd_mach_o_dysymtab_command *dysymtab = mdata->dysymtab; | |
1208 | bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd); | |
1209 | unsigned long i; | |
1210 | arelent *res; | |
1211 | ||
1212 | if (dysymtab == NULL) | |
1213 | return 0; | |
1214 | if (dysymtab->nextrel == 0 && dysymtab->nlocrel == 0) | |
1215 | return 0; | |
1216 | ||
1217 | /* No need to go further if we don't know how to read relocs. */ | |
1218 | if (bed->_bfd_mach_o_swap_reloc_in == NULL) | |
1219 | return 0; | |
1220 | ||
dff55db0 | 1221 | if (mdata->dyn_reloc_cache == NULL) |
b32e07d7 | 1222 | { |
dff55db0 TG |
1223 | res = bfd_malloc ((dysymtab->nextrel + dysymtab->nlocrel) |
1224 | * sizeof (arelent)); | |
1225 | if (res == NULL) | |
1226 | return -1; | |
b32e07d7 | 1227 | |
dff55db0 TG |
1228 | if (bfd_mach_o_canonicalize_relocs (abfd, dysymtab->extreloff, |
1229 | dysymtab->nextrel, res, syms) < 0) | |
1230 | { | |
1231 | free (res); | |
1232 | return -1; | |
1233 | } | |
1234 | ||
1235 | if (bfd_mach_o_canonicalize_relocs (abfd, dysymtab->locreloff, | |
1236 | dysymtab->nlocrel, | |
1237 | res + dysymtab->nextrel, syms) < 0) | |
1238 | { | |
1239 | free (res); | |
1240 | return -1; | |
1241 | } | |
1242 | ||
1243 | mdata->dyn_reloc_cache = res; | |
b32e07d7 TG |
1244 | } |
1245 | ||
dff55db0 | 1246 | res = mdata->dyn_reloc_cache; |
b32e07d7 TG |
1247 | for (i = 0; i < dysymtab->nextrel + dysymtab->nlocrel; i++) |
1248 | rels[i] = &res[i]; | |
1249 | rels[i] = NULL; | |
92bc0e80 TG |
1250 | return i; |
1251 | } | |
1252 | ||
19765f52 IS |
1253 | /* In addition to the need to byte-swap the symbol number, the bit positions |
1254 | of the fields in the relocation information vary per target endian-ness. */ | |
1255 | ||
1256 | static void | |
1257 | bfd_mach_o_swap_out_non_scattered_reloc (bfd *abfd, unsigned char *fields, | |
1258 | bfd_mach_o_reloc_info *rel) | |
1259 | { | |
1260 | unsigned char info = 0; | |
1261 | ||
1262 | BFD_ASSERT (rel->r_type <= 15); | |
1263 | BFD_ASSERT (rel->r_length <= 3); | |
1264 | ||
1265 | if (bfd_big_endian (abfd)) | |
1266 | { | |
1267 | fields[0] = (rel->r_value >> 16) & 0xff; | |
1268 | fields[1] = (rel->r_value >> 8) & 0xff; | |
1269 | fields[2] = rel->r_value & 0xff; | |
1270 | info |= rel->r_type << BFD_MACH_O_BE_TYPE_SHIFT; | |
1271 | info |= rel->r_pcrel ? BFD_MACH_O_BE_PCREL : 0; | |
1272 | info |= rel->r_length << BFD_MACH_O_BE_LENGTH_SHIFT; | |
1273 | info |= rel->r_extern ? BFD_MACH_O_BE_EXTERN : 0; | |
1274 | } | |
1275 | else | |
1276 | { | |
1277 | fields[2] = (rel->r_value >> 16) & 0xff; | |
1278 | fields[1] = (rel->r_value >> 8) & 0xff; | |
1279 | fields[0] = rel->r_value & 0xff; | |
1280 | info |= rel->r_type << BFD_MACH_O_LE_TYPE_SHIFT; | |
1281 | info |= rel->r_pcrel ? BFD_MACH_O_LE_PCREL : 0; | |
1282 | info |= rel->r_length << BFD_MACH_O_LE_LENGTH_SHIFT; | |
1283 | info |= rel->r_extern ? BFD_MACH_O_LE_EXTERN : 0; | |
1284 | } | |
1285 | fields[3] = info; | |
1286 | } | |
1287 | ||
92bc0e80 | 1288 | static bfd_boolean |
ab273af8 | 1289 | bfd_mach_o_write_relocs (bfd *abfd, bfd_mach_o_section *section) |
92bc0e80 | 1290 | { |
92bc0e80 TG |
1291 | unsigned int i; |
1292 | arelent **entries; | |
1293 | asection *sec; | |
1294 | bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd); | |
1295 | ||
1296 | sec = section->bfdsection; | |
1297 | if (sec->reloc_count == 0) | |
1298 | return TRUE; | |
1299 | ||
1300 | if (bed->_bfd_mach_o_swap_reloc_out == NULL) | |
1301 | return TRUE; | |
1302 | ||
92bc0e80 TG |
1303 | if (bfd_seek (abfd, section->reloff, SEEK_SET) != 0) |
1304 | return FALSE; | |
1305 | ||
1306 | /* Convert and write. */ | |
1307 | entries = section->bfdsection->orelocation; | |
1308 | for (i = 0; i < section->nreloc; i++) | |
1309 | { | |
1310 | arelent *rel = entries[i]; | |
46d1c23b | 1311 | struct mach_o_reloc_info_external raw; |
92bc0e80 TG |
1312 | bfd_mach_o_reloc_info info, *pinfo = &info; |
1313 | ||
1314 | /* Convert relocation to an intermediate representation. */ | |
1315 | if (!(*bed->_bfd_mach_o_swap_reloc_out) (rel, pinfo)) | |
1316 | return FALSE; | |
1317 | ||
1318 | /* Lower the relocation info. */ | |
1319 | if (pinfo->r_scattered) | |
1320 | { | |
1321 | unsigned long v; | |
1322 | ||
1323 | v = BFD_MACH_O_SR_SCATTERED | |
1324 | | (pinfo->r_pcrel ? BFD_MACH_O_SR_PCREL : 0) | |
1325 | | BFD_MACH_O_SET_SR_LENGTH(pinfo->r_length) | |
1326 | | BFD_MACH_O_SET_SR_TYPE(pinfo->r_type) | |
1327 | | BFD_MACH_O_SET_SR_ADDRESS(pinfo->r_address); | |
46d1c23b TG |
1328 | /* Note: scattered relocs have field in reverse order... */ |
1329 | bfd_put_32 (abfd, v, raw.r_address); | |
1330 | bfd_put_32 (abfd, pinfo->r_value, raw.r_symbolnum); | |
92bc0e80 TG |
1331 | } |
1332 | else | |
1333 | { | |
46d1c23b | 1334 | bfd_put_32 (abfd, pinfo->r_address, raw.r_address); |
19765f52 IS |
1335 | bfd_mach_o_swap_out_non_scattered_reloc (abfd, raw.r_symbolnum, |
1336 | pinfo); | |
92bc0e80 TG |
1337 | } |
1338 | ||
46d1c23b | 1339 | if (bfd_bwrite (&raw, BFD_MACH_O_RELENT_SIZE, abfd) |
92bc0e80 TG |
1340 | != BFD_MACH_O_RELENT_SIZE) |
1341 | return FALSE; | |
1342 | } | |
1343 | return TRUE; | |
1344 | } | |
1345 | ||
116c20d2 | 1346 | static int |
ab273af8 | 1347 | bfd_mach_o_write_section_32 (bfd *abfd, bfd_mach_o_section *section) |
116c20d2 | 1348 | { |
46d1c23b TG |
1349 | struct mach_o_section_32_external raw; |
1350 | ||
1351 | memcpy (raw.sectname, section->sectname, 16); | |
72b5104c | 1352 | memcpy (raw.segname, section->segname, 16); |
46d1c23b TG |
1353 | bfd_h_put_32 (abfd, section->addr, raw.addr); |
1354 | bfd_h_put_32 (abfd, section->size, raw.size); | |
1355 | bfd_h_put_32 (abfd, section->offset, raw.offset); | |
1356 | bfd_h_put_32 (abfd, section->align, raw.align); | |
1357 | bfd_h_put_32 (abfd, section->reloff, raw.reloff); | |
1358 | bfd_h_put_32 (abfd, section->nreloc, raw.nreloc); | |
1359 | bfd_h_put_32 (abfd, section->flags, raw.flags); | |
1360 | bfd_h_put_32 (abfd, section->reserved1, raw.reserved1); | |
1361 | bfd_h_put_32 (abfd, section->reserved2, raw.reserved2); | |
1362 | ||
1363 | if (bfd_bwrite (&raw, BFD_MACH_O_SECTION_SIZE, abfd) | |
92bc0e80 | 1364 | != BFD_MACH_O_SECTION_SIZE) |
116c20d2 NC |
1365 | return -1; |
1366 | ||
1367 | return 0; | |
1368 | } | |
1369 | ||
1370 | static int | |
ab273af8 | 1371 | bfd_mach_o_write_section_64 (bfd *abfd, bfd_mach_o_section *section) |
116c20d2 | 1372 | { |
46d1c23b TG |
1373 | struct mach_o_section_64_external raw; |
1374 | ||
1375 | memcpy (raw.sectname, section->sectname, 16); | |
1376 | memcpy (raw.segname, section->segname, 16); | |
1377 | bfd_h_put_64 (abfd, section->addr, raw.addr); | |
1378 | bfd_h_put_64 (abfd, section->size, raw.size); | |
1379 | bfd_h_put_32 (abfd, section->offset, raw.offset); | |
1380 | bfd_h_put_32 (abfd, section->align, raw.align); | |
1381 | bfd_h_put_32 (abfd, section->reloff, raw.reloff); | |
1382 | bfd_h_put_32 (abfd, section->nreloc, raw.nreloc); | |
1383 | bfd_h_put_32 (abfd, section->flags, raw.flags); | |
1384 | bfd_h_put_32 (abfd, section->reserved1, raw.reserved1); | |
1385 | bfd_h_put_32 (abfd, section->reserved2, raw.reserved2); | |
1386 | bfd_h_put_32 (abfd, section->reserved3, raw.reserved3); | |
1387 | ||
1388 | if (bfd_bwrite (&raw, BFD_MACH_O_SECTION_64_SIZE, abfd) | |
92bc0e80 | 1389 | != BFD_MACH_O_SECTION_64_SIZE) |
116c20d2 NC |
1390 | return -1; |
1391 | ||
1e8a024a TG |
1392 | return 0; |
1393 | } | |
1394 | ||
1395 | static int | |
ab273af8 | 1396 | bfd_mach_o_write_segment_32 (bfd *abfd, bfd_mach_o_load_command *command) |
1e8a024a | 1397 | { |
46d1c23b | 1398 | struct mach_o_segment_command_32_external raw; |
1e8a024a | 1399 | bfd_mach_o_segment_command *seg = &command->command.segment; |
f1bde64c | 1400 | bfd_mach_o_section *sec; |
1e8a024a | 1401 | |
c2f09c75 TG |
1402 | BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT); |
1403 | ||
f1bde64c TG |
1404 | for (sec = seg->sect_head; sec != NULL; sec = sec->next) |
1405 | if (!bfd_mach_o_write_relocs (abfd, sec)) | |
92bc0e80 | 1406 | return -1; |
c2f09c75 | 1407 | |
46d1c23b TG |
1408 | memcpy (raw.segname, seg->segname, 16); |
1409 | bfd_h_put_32 (abfd, seg->vmaddr, raw.vmaddr); | |
1410 | bfd_h_put_32 (abfd, seg->vmsize, raw.vmsize); | |
1411 | bfd_h_put_32 (abfd, seg->fileoff, raw.fileoff); | |
1412 | bfd_h_put_32 (abfd, seg->filesize, raw.filesize); | |
1413 | bfd_h_put_32 (abfd, seg->maxprot, raw.maxprot); | |
1414 | bfd_h_put_32 (abfd, seg->initprot, raw.initprot); | |
1415 | bfd_h_put_32 (abfd, seg->nsects, raw.nsects); | |
1416 | bfd_h_put_32 (abfd, seg->flags, raw.flags); | |
68ffbac6 | 1417 | |
46d1c23b TG |
1418 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 |
1419 | || bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
c2f09c75 | 1420 | return -1; |
1e8a024a | 1421 | |
f1bde64c TG |
1422 | for (sec = seg->sect_head; sec != NULL; sec = sec->next) |
1423 | if (bfd_mach_o_write_section_32 (abfd, sec)) | |
92bc0e80 | 1424 | return -1; |
1e8a024a | 1425 | |
116c20d2 NC |
1426 | return 0; |
1427 | } | |
1428 | ||
1e8a024a | 1429 | static int |
ab273af8 | 1430 | bfd_mach_o_write_segment_64 (bfd *abfd, bfd_mach_o_load_command *command) |
1e8a024a | 1431 | { |
46d1c23b | 1432 | struct mach_o_segment_command_64_external raw; |
c2f09c75 | 1433 | bfd_mach_o_segment_command *seg = &command->command.segment; |
f1bde64c | 1434 | bfd_mach_o_section *sec; |
c2f09c75 TG |
1435 | |
1436 | BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT_64); | |
1437 | ||
f1bde64c TG |
1438 | for (sec = seg->sect_head; sec != NULL; sec = sec->next) |
1439 | if (!bfd_mach_o_write_relocs (abfd, sec)) | |
92bc0e80 | 1440 | return -1; |
c2f09c75 | 1441 | |
46d1c23b TG |
1442 | memcpy (raw.segname, seg->segname, 16); |
1443 | bfd_h_put_64 (abfd, seg->vmaddr, raw.vmaddr); | |
1444 | bfd_h_put_64 (abfd, seg->vmsize, raw.vmsize); | |
1445 | bfd_h_put_64 (abfd, seg->fileoff, raw.fileoff); | |
1446 | bfd_h_put_64 (abfd, seg->filesize, raw.filesize); | |
1447 | bfd_h_put_32 (abfd, seg->maxprot, raw.maxprot); | |
1448 | bfd_h_put_32 (abfd, seg->initprot, raw.initprot); | |
1449 | bfd_h_put_32 (abfd, seg->nsects, raw.nsects); | |
1450 | bfd_h_put_32 (abfd, seg->flags, raw.flags); | |
1451 | ||
1452 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 | |
1453 | || bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
c2f09c75 TG |
1454 | return -1; |
1455 | ||
f1bde64c TG |
1456 | for (sec = seg->sect_head; sec != NULL; sec = sec->next) |
1457 | if (bfd_mach_o_write_section_64 (abfd, sec)) | |
92bc0e80 | 1458 | return -1; |
c2f09c75 | 1459 | |
c2f09c75 | 1460 | return 0; |
1e8a024a TG |
1461 | } |
1462 | ||
c2f09c75 | 1463 | static bfd_boolean |
ab273af8 | 1464 | bfd_mach_o_write_symtab (bfd *abfd, bfd_mach_o_load_command *command) |
116c20d2 | 1465 | { |
046b007d | 1466 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
116c20d2 | 1467 | bfd_mach_o_symtab_command *sym = &command->command.symtab; |
116c20d2 | 1468 | unsigned long i; |
c2f09c75 | 1469 | unsigned int wide = bfd_mach_o_wide_p (abfd); |
046b007d | 1470 | unsigned int symlen = wide ? BFD_MACH_O_NLIST_64_SIZE : BFD_MACH_O_NLIST_SIZE; |
c2f09c75 TG |
1471 | struct bfd_strtab_hash *strtab; |
1472 | asymbol **symbols = bfd_get_outsymbols (abfd); | |
1473 | ||
1474 | BFD_ASSERT (command->type == BFD_MACH_O_LC_SYMTAB); | |
1475 | ||
1476 | /* Write the symbols first. */ | |
92bc0e80 TG |
1477 | mdata->filelen = FILE_ALIGN(mdata->filelen, wide ? 3 : 2); |
1478 | sym->symoff = mdata->filelen; | |
c2f09c75 TG |
1479 | if (bfd_seek (abfd, sym->symoff, SEEK_SET) != 0) |
1480 | return FALSE; | |
1481 | ||
1482 | sym->nsyms = bfd_get_symcount (abfd); | |
92bc0e80 | 1483 | mdata->filelen += sym->nsyms * symlen; |
c2f09c75 TG |
1484 | |
1485 | strtab = _bfd_stringtab_init (); | |
1486 | if (strtab == NULL) | |
1487 | return FALSE; | |
116c20d2 | 1488 | |
a4551119 TG |
1489 | if (sym->nsyms > 0) |
1490 | /* Although we don't strictly need to do this, for compatibility with | |
1491 | Darwin system tools, actually output an empty string for the index | |
1492 | 0 entry. */ | |
1493 | _bfd_stringtab_add (strtab, "", TRUE, FALSE); | |
1494 | ||
116c20d2 NC |
1495 | for (i = 0; i < sym->nsyms; i++) |
1496 | { | |
91d6fa6a | 1497 | bfd_size_type str_index; |
92bc0e80 | 1498 | bfd_mach_o_asymbol *s = (bfd_mach_o_asymbol *)symbols[i]; |
68ffbac6 | 1499 | |
92bc0e80 | 1500 | if (s->symbol.name == 0 || s->symbol.name[0] == '\0') |
7f307238 | 1501 | /* An index of 0 always means the empty string. */ |
91d6fa6a | 1502 | str_index = 0; |
c2f09c75 TG |
1503 | else |
1504 | { | |
91d6fa6a | 1505 | str_index = _bfd_stringtab_add (strtab, s->symbol.name, TRUE, FALSE); |
7f307238 | 1506 | |
91d6fa6a | 1507 | if (str_index == (bfd_size_type) -1) |
c2f09c75 TG |
1508 | goto err; |
1509 | } | |
46d1c23b | 1510 | |
c2f09c75 | 1511 | if (wide) |
46d1c23b TG |
1512 | { |
1513 | struct mach_o_nlist_64_external raw; | |
1514 | ||
1515 | bfd_h_put_32 (abfd, str_index, raw.n_strx); | |
1516 | bfd_h_put_8 (abfd, s->n_type, raw.n_type); | |
1517 | bfd_h_put_8 (abfd, s->n_sect, raw.n_sect); | |
1518 | bfd_h_put_16 (abfd, s->n_desc, raw.n_desc); | |
1519 | bfd_h_put_64 (abfd, s->symbol.section->vma + s->symbol.value, | |
1520 | raw.n_value); | |
1521 | ||
1522 | if (bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
1523 | goto err; | |
1524 | } | |
c2f09c75 | 1525 | else |
46d1c23b TG |
1526 | { |
1527 | struct mach_o_nlist_external raw; | |
116c20d2 | 1528 | |
46d1c23b TG |
1529 | bfd_h_put_32 (abfd, str_index, raw.n_strx); |
1530 | bfd_h_put_8 (abfd, s->n_type, raw.n_type); | |
1531 | bfd_h_put_8 (abfd, s->n_sect, raw.n_sect); | |
1532 | bfd_h_put_16 (abfd, s->n_desc, raw.n_desc); | |
1533 | bfd_h_put_32 (abfd, s->symbol.section->vma + s->symbol.value, | |
1534 | raw.n_value); | |
1535 | ||
1536 | if (bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
1537 | goto err; | |
1538 | } | |
116c20d2 | 1539 | } |
c2f09c75 | 1540 | sym->strsize = _bfd_stringtab_size (strtab); |
92bc0e80 TG |
1541 | sym->stroff = mdata->filelen; |
1542 | mdata->filelen += sym->strsize; | |
116c20d2 | 1543 | |
c2f09c75 TG |
1544 | if (_bfd_stringtab_emit (abfd, strtab) != TRUE) |
1545 | goto err; | |
1546 | _bfd_stringtab_free (strtab); | |
116c20d2 | 1547 | |
c2f09c75 | 1548 | /* The command. */ |
46d1c23b TG |
1549 | { |
1550 | struct mach_o_symtab_command_external raw; | |
116c20d2 | 1551 | |
46d1c23b TG |
1552 | bfd_h_put_32 (abfd, sym->symoff, raw.symoff); |
1553 | bfd_h_put_32 (abfd, sym->nsyms, raw.nsyms); | |
1554 | bfd_h_put_32 (abfd, sym->stroff, raw.stroff); | |
1555 | bfd_h_put_32 (abfd, sym->strsize, raw.strsize); | |
1556 | ||
1557 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 | |
1558 | || bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
1559 | return FALSE; | |
1560 | } | |
116c20d2 | 1561 | |
c2f09c75 | 1562 | return TRUE; |
116c20d2 | 1563 | |
c2f09c75 TG |
1564 | err: |
1565 | _bfd_stringtab_free (strtab); | |
1566 | return FALSE; | |
116c20d2 NC |
1567 | } |
1568 | ||
7f307238 IS |
1569 | /* Write a dysymtab command. |
1570 | TODO: Possibly coalesce writes of smaller objects. */ | |
1571 | ||
1572 | static bfd_boolean | |
1573 | bfd_mach_o_write_dysymtab (bfd *abfd, bfd_mach_o_load_command *command) | |
1574 | { | |
1575 | bfd_mach_o_dysymtab_command *cmd = &command->command.dysymtab; | |
1576 | ||
1577 | BFD_ASSERT (command->type == BFD_MACH_O_LC_DYSYMTAB); | |
1578 | ||
1579 | if (cmd->nmodtab != 0) | |
1580 | { | |
1581 | unsigned int i; | |
1582 | ||
1583 | if (bfd_seek (abfd, cmd->modtaboff, SEEK_SET) != 0) | |
1584 | return FALSE; | |
1585 | ||
1586 | for (i = 0; i < cmd->nmodtab; i++) | |
1587 | { | |
1588 | bfd_mach_o_dylib_module *module = &cmd->dylib_module[i]; | |
1589 | unsigned int iinit; | |
1590 | unsigned int ninit; | |
1591 | ||
1592 | iinit = module->iinit & 0xffff; | |
1593 | iinit |= ((module->iterm & 0xffff) << 16); | |
1594 | ||
1595 | ninit = module->ninit & 0xffff; | |
1596 | ninit |= ((module->nterm & 0xffff) << 16); | |
1597 | ||
1598 | if (bfd_mach_o_wide_p (abfd)) | |
1599 | { | |
1600 | struct mach_o_dylib_module_64_external w; | |
1601 | ||
1602 | bfd_h_put_32 (abfd, module->module_name_idx, &w.module_name); | |
1603 | bfd_h_put_32 (abfd, module->iextdefsym, &w.iextdefsym); | |
1604 | bfd_h_put_32 (abfd, module->nextdefsym, &w.nextdefsym); | |
1605 | bfd_h_put_32 (abfd, module->irefsym, &w.irefsym); | |
1606 | bfd_h_put_32 (abfd, module->nrefsym, &w.nrefsym); | |
1607 | bfd_h_put_32 (abfd, module->ilocalsym, &w.ilocalsym); | |
1608 | bfd_h_put_32 (abfd, module->nlocalsym, &w.nlocalsym); | |
1609 | bfd_h_put_32 (abfd, module->iextrel, &w.iextrel); | |
1610 | bfd_h_put_32 (abfd, module->nextrel, &w.nextrel); | |
1611 | bfd_h_put_32 (abfd, iinit, &w.iinit_iterm); | |
1612 | bfd_h_put_32 (abfd, ninit, &w.ninit_nterm); | |
1613 | bfd_h_put_64 (abfd, module->objc_module_info_addr, | |
1614 | &w.objc_module_info_addr); | |
1615 | bfd_h_put_32 (abfd, module->objc_module_info_size, | |
1616 | &w.objc_module_info_size); | |
1617 | ||
1618 | if (bfd_bwrite ((void *) &w, sizeof (w), abfd) != sizeof (w)) | |
1619 | return FALSE; | |
1620 | } | |
1621 | else | |
1622 | { | |
1623 | struct mach_o_dylib_module_external n; | |
1624 | ||
1625 | bfd_h_put_32 (abfd, module->module_name_idx, &n.module_name); | |
1626 | bfd_h_put_32 (abfd, module->iextdefsym, &n.iextdefsym); | |
1627 | bfd_h_put_32 (abfd, module->nextdefsym, &n.nextdefsym); | |
1628 | bfd_h_put_32 (abfd, module->irefsym, &n.irefsym); | |
1629 | bfd_h_put_32 (abfd, module->nrefsym, &n.nrefsym); | |
1630 | bfd_h_put_32 (abfd, module->ilocalsym, &n.ilocalsym); | |
1631 | bfd_h_put_32 (abfd, module->nlocalsym, &n.nlocalsym); | |
1632 | bfd_h_put_32 (abfd, module->iextrel, &n.iextrel); | |
1633 | bfd_h_put_32 (abfd, module->nextrel, &n.nextrel); | |
1634 | bfd_h_put_32 (abfd, iinit, &n.iinit_iterm); | |
1635 | bfd_h_put_32 (abfd, ninit, &n.ninit_nterm); | |
1636 | bfd_h_put_32 (abfd, module->objc_module_info_addr, | |
1637 | &n.objc_module_info_addr); | |
1638 | bfd_h_put_32 (abfd, module->objc_module_info_size, | |
1639 | &n.objc_module_info_size); | |
1640 | ||
1641 | if (bfd_bwrite ((void *) &n, sizeof (n), abfd) != sizeof (n)) | |
1642 | return FALSE; | |
1643 | } | |
1644 | } | |
1645 | } | |
1646 | ||
1647 | if (cmd->ntoc != 0) | |
1648 | { | |
1649 | unsigned int i; | |
1650 | ||
1651 | if (bfd_seek (abfd, cmd->tocoff, SEEK_SET) != 0) | |
1652 | return FALSE; | |
1653 | ||
1654 | for (i = 0; i < cmd->ntoc; i++) | |
1655 | { | |
1656 | struct mach_o_dylib_table_of_contents_external raw; | |
1657 | bfd_mach_o_dylib_table_of_content *toc = &cmd->dylib_toc[i]; | |
1658 | ||
1659 | bfd_h_put_32 (abfd, toc->symbol_index, &raw.symbol_index); | |
1660 | bfd_h_put_32 (abfd, toc->module_index, &raw.module_index); | |
1661 | ||
1662 | if (bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
1663 | return FALSE; | |
1664 | } | |
1665 | } | |
68ffbac6 | 1666 | |
7f307238 IS |
1667 | if (cmd->nindirectsyms > 0) |
1668 | { | |
1669 | unsigned int i; | |
1670 | ||
1671 | if (bfd_seek (abfd, cmd->indirectsymoff, SEEK_SET) != 0) | |
1672 | return FALSE; | |
1673 | ||
1674 | for (i = 0; i < cmd->nindirectsyms; ++i) | |
1675 | { | |
1676 | unsigned char raw[4]; | |
1677 | ||
1678 | bfd_h_put_32 (abfd, cmd->indirect_syms[i], &raw); | |
1679 | if (bfd_bwrite (raw, sizeof (raw), abfd) != sizeof (raw)) | |
1680 | return FALSE; | |
68ffbac6 | 1681 | } |
7f307238 IS |
1682 | } |
1683 | ||
1684 | if (cmd->nextrefsyms != 0) | |
1685 | { | |
1686 | unsigned int i; | |
1687 | ||
1688 | if (bfd_seek (abfd, cmd->extrefsymoff, SEEK_SET) != 0) | |
1689 | return FALSE; | |
1690 | ||
1691 | for (i = 0; i < cmd->nextrefsyms; i++) | |
1692 | { | |
1693 | unsigned long v; | |
1694 | unsigned char raw[4]; | |
1695 | bfd_mach_o_dylib_reference *ref = &cmd->ext_refs[i]; | |
1696 | ||
1697 | /* Fields isym and flags are written as bit-fields, thus we need | |
1698 | a specific processing for endianness. */ | |
1699 | ||
1700 | if (bfd_big_endian (abfd)) | |
1701 | { | |
1702 | v = ((ref->isym & 0xffffff) << 8); | |
1703 | v |= ref->flags & 0xff; | |
1704 | } | |
1705 | else | |
1706 | { | |
1707 | v = ref->isym & 0xffffff; | |
1708 | v |= ((ref->flags & 0xff) << 24); | |
1709 | } | |
1710 | ||
1711 | bfd_h_put_32 (abfd, v, raw); | |
1712 | if (bfd_bwrite (raw, sizeof (raw), abfd) != sizeof (raw)) | |
1713 | return FALSE; | |
1714 | } | |
1715 | } | |
1716 | ||
1717 | /* The command. */ | |
1718 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0) | |
1719 | return FALSE; | |
1720 | else | |
1721 | { | |
1722 | struct mach_o_dysymtab_command_external raw; | |
1723 | ||
1724 | bfd_h_put_32 (abfd, cmd->ilocalsym, &raw.ilocalsym); | |
1725 | bfd_h_put_32 (abfd, cmd->nlocalsym, &raw.nlocalsym); | |
1726 | bfd_h_put_32 (abfd, cmd->iextdefsym, &raw.iextdefsym); | |
1727 | bfd_h_put_32 (abfd, cmd->nextdefsym, &raw.nextdefsym); | |
1728 | bfd_h_put_32 (abfd, cmd->iundefsym, &raw.iundefsym); | |
1729 | bfd_h_put_32 (abfd, cmd->nundefsym, &raw.nundefsym); | |
1730 | bfd_h_put_32 (abfd, cmd->tocoff, &raw.tocoff); | |
1731 | bfd_h_put_32 (abfd, cmd->ntoc, &raw.ntoc); | |
1732 | bfd_h_put_32 (abfd, cmd->modtaboff, &raw.modtaboff); | |
1733 | bfd_h_put_32 (abfd, cmd->nmodtab, &raw.nmodtab); | |
1734 | bfd_h_put_32 (abfd, cmd->extrefsymoff, &raw.extrefsymoff); | |
1735 | bfd_h_put_32 (abfd, cmd->nextrefsyms, &raw.nextrefsyms); | |
1736 | bfd_h_put_32 (abfd, cmd->indirectsymoff, &raw.indirectsymoff); | |
1737 | bfd_h_put_32 (abfd, cmd->nindirectsyms, &raw.nindirectsyms); | |
1738 | bfd_h_put_32 (abfd, cmd->extreloff, &raw.extreloff); | |
1739 | bfd_h_put_32 (abfd, cmd->nextrel, &raw.nextrel); | |
1740 | bfd_h_put_32 (abfd, cmd->locreloff, &raw.locreloff); | |
1741 | bfd_h_put_32 (abfd, cmd->nlocrel, &raw.nlocrel); | |
1742 | ||
1743 | if (bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
1744 | return FALSE; | |
1745 | } | |
1746 | ||
1747 | return TRUE; | |
1748 | } | |
1749 | ||
1750 | static unsigned | |
b22161d6 | 1751 | bfd_mach_o_primary_symbol_sort_key (bfd_mach_o_asymbol *s) |
7f307238 | 1752 | { |
b22161d6 | 1753 | unsigned mtyp = s->n_type & BFD_MACH_O_N_TYPE; |
68588f95 IS |
1754 | |
1755 | /* Just leave debug symbols where they are (pretend they are local, and | |
1756 | then they will just be sorted on position). */ | |
b22161d6 | 1757 | if (s->n_type & BFD_MACH_O_N_STAB) |
68588f95 IS |
1758 | return 0; |
1759 | ||
7f307238 | 1760 | /* Local (we should never see an undefined local AFAICT). */ |
b22161d6 | 1761 | if (! (s->n_type & (BFD_MACH_O_N_EXT | BFD_MACH_O_N_PEXT))) |
7f307238 IS |
1762 | return 0; |
1763 | ||
1764 | /* Common symbols look like undefined externs. */ | |
68588f95 | 1765 | if (mtyp == BFD_MACH_O_N_UNDF) |
7f307238 IS |
1766 | return 2; |
1767 | ||
b22161d6 | 1768 | /* A defined non-local, non-debug symbol. */ |
7f307238 IS |
1769 | return 1; |
1770 | } | |
1771 | ||
1772 | static int | |
1773 | bfd_mach_o_cf_symbols (const void *a, const void *b) | |
1774 | { | |
1775 | bfd_mach_o_asymbol *sa = *(bfd_mach_o_asymbol **) a; | |
1776 | bfd_mach_o_asymbol *sb = *(bfd_mach_o_asymbol **) b; | |
1777 | unsigned int soa, sob; | |
1778 | ||
b22161d6 IS |
1779 | soa = bfd_mach_o_primary_symbol_sort_key (sa); |
1780 | sob = bfd_mach_o_primary_symbol_sort_key (sb); | |
7f307238 IS |
1781 | if (soa < sob) |
1782 | return -1; | |
1783 | ||
1784 | if (soa > sob) | |
1785 | return 1; | |
1786 | ||
68588f95 | 1787 | /* If it's local or stab, just preserve the input order. */ |
7f307238 IS |
1788 | if (soa == 0) |
1789 | { | |
1790 | if (sa->symbol.udata.i < sb->symbol.udata.i) | |
1791 | return -1; | |
1792 | if (sa->symbol.udata.i > sb->symbol.udata.i) | |
1793 | return 1; | |
b22161d6 IS |
1794 | |
1795 | /* This is probably an error. */ | |
7f307238 IS |
1796 | return 0; |
1797 | } | |
1798 | ||
b22161d6 IS |
1799 | /* The second sort key is name. */ |
1800 | return strcmp (sa->symbol.name, sb->symbol.name); | |
7f307238 IS |
1801 | } |
1802 | ||
1803 | /* Process the symbols. | |
1804 | ||
1805 | This should be OK for single-module files - but it is not likely to work | |
1806 | for multi-module shared libraries. | |
1807 | ||
1808 | (a) If the application has not filled in the relevant mach-o fields, make | |
1809 | an estimate. | |
1810 | ||
1811 | (b) Order them, like this: | |
1812 | ( i) local. | |
1813 | (unsorted) | |
1814 | ( ii) external defined | |
1815 | (by name) | |
b22161d6 | 1816 | (iii) external undefined/common |
7f307238 IS |
1817 | (by name) |
1818 | ( iv) common | |
1819 | (by name) | |
b22161d6 | 1820 | */ |
92bc0e80 TG |
1821 | |
1822 | static bfd_boolean | |
b22161d6 | 1823 | bfd_mach_o_mangle_symbols (bfd *abfd) |
92bc0e80 TG |
1824 | { |
1825 | unsigned long i; | |
1826 | asymbol **symbols = bfd_get_outsymbols (abfd); | |
1827 | ||
7f307238 IS |
1828 | if (symbols == NULL || bfd_get_symcount (abfd) == 0) |
1829 | return TRUE; | |
1830 | ||
92bc0e80 TG |
1831 | for (i = 0; i < bfd_get_symcount (abfd); i++) |
1832 | { | |
1833 | bfd_mach_o_asymbol *s = (bfd_mach_o_asymbol *)symbols[i]; | |
1834 | ||
b22161d6 IS |
1835 | /* We use this value, which is out-of-range as a symbol index, to signal |
1836 | that the mach-o-specific data are not filled in and need to be created | |
1837 | from the bfd values. It is much preferable for the application to do | |
1838 | this, since more meaningful diagnostics can be made that way. */ | |
1839 | ||
1840 | if (s->symbol.udata.i == SYM_MACHO_FIELDS_UNSET) | |
92bc0e80 | 1841 | { |
b22161d6 IS |
1842 | /* No symbol information has been set - therefore determine |
1843 | it from the bfd symbol flags/info. */ | |
92bc0e80 TG |
1844 | if (s->symbol.section == bfd_abs_section_ptr) |
1845 | s->n_type = BFD_MACH_O_N_ABS; | |
1846 | else if (s->symbol.section == bfd_und_section_ptr) | |
1847 | { | |
1848 | s->n_type = BFD_MACH_O_N_UNDF; | |
1849 | if (s->symbol.flags & BSF_WEAK) | |
1850 | s->n_desc |= BFD_MACH_O_N_WEAK_REF; | |
7f307238 IS |
1851 | /* mach-o automatically makes undefined symbols extern. */ |
1852 | s->n_type |= BFD_MACH_O_N_EXT; | |
b22161d6 | 1853 | s->symbol.flags |= BSF_GLOBAL; |
92bc0e80 TG |
1854 | } |
1855 | else if (s->symbol.section == bfd_com_section_ptr) | |
b22161d6 IS |
1856 | { |
1857 | s->n_type = BFD_MACH_O_N_UNDF | BFD_MACH_O_N_EXT; | |
1858 | s->symbol.flags |= BSF_GLOBAL; | |
1859 | } | |
92bc0e80 TG |
1860 | else |
1861 | s->n_type = BFD_MACH_O_N_SECT; | |
68ffbac6 | 1862 | |
92bc0e80 TG |
1863 | if (s->symbol.flags & BSF_GLOBAL) |
1864 | s->n_type |= BFD_MACH_O_N_EXT; | |
1865 | } | |
1866 | ||
7f307238 | 1867 | /* Put the section index in, where required. */ |
68588f95 | 1868 | if ((s->symbol.section != bfd_abs_section_ptr |
92bc0e80 TG |
1869 | && s->symbol.section != bfd_und_section_ptr |
1870 | && s->symbol.section != bfd_com_section_ptr) | |
68588f95 IS |
1871 | || ((s->n_type & BFD_MACH_O_N_STAB) != 0 |
1872 | && s->symbol.name == NULL)) | |
1873 | s->n_sect = s->symbol.section->target_index; | |
92bc0e80 | 1874 | |
b22161d6 IS |
1875 | /* Number to preserve order for local and debug syms. */ |
1876 | s->symbol.udata.i = i; | |
7f307238 IS |
1877 | } |
1878 | ||
b22161d6 IS |
1879 | /* Sort the symbols. */ |
1880 | qsort ((void *) symbols, (size_t) bfd_get_symcount (abfd), | |
1881 | sizeof (asymbol *), bfd_mach_o_cf_symbols); | |
7f307238 | 1882 | |
b22161d6 IS |
1883 | for (i = 0; i < bfd_get_symcount (abfd); ++i) |
1884 | { | |
1885 | bfd_mach_o_asymbol *s = (bfd_mach_o_asymbol *)symbols[i]; | |
1886 | s->symbol.udata.i = i; /* renumber. */ | |
7f307238 IS |
1887 | } |
1888 | ||
1889 | return TRUE; | |
1890 | } | |
1891 | ||
1892 | /* We build a flat table of sections, which can be re-ordered if necessary. | |
1893 | Fill in the section number and other mach-o-specific data. */ | |
1894 | ||
1895 | static bfd_boolean | |
1896 | bfd_mach_o_mangle_sections (bfd *abfd, bfd_mach_o_data_struct *mdata) | |
1897 | { | |
1898 | asection *sec; | |
1899 | unsigned target_index; | |
1900 | unsigned nsect; | |
1901 | ||
1902 | nsect = bfd_count_sections (abfd); | |
68ffbac6 | 1903 | |
7f307238 IS |
1904 | /* Don't do it if it's already set - assume the application knows what it's |
1905 | doing. */ | |
1906 | if (mdata->nsects == nsect | |
1907 | && (mdata->nsects == 0 || mdata->sections != NULL)) | |
1908 | return TRUE; | |
1909 | ||
1910 | mdata->nsects = nsect; | |
68ffbac6 | 1911 | mdata->sections = bfd_alloc (abfd, |
7f307238 IS |
1912 | mdata->nsects * sizeof (bfd_mach_o_section *)); |
1913 | if (mdata->sections == NULL) | |
1914 | return FALSE; | |
1915 | ||
1916 | /* We need to check that this can be done... */ | |
1917 | if (nsect > 255) | |
1918 | (*_bfd_error_handler) (_("mach-o: there are too many sections (%d)" | |
1919 | " maximum is 255,\n"), nsect); | |
1920 | ||
1921 | /* Create Mach-O sections. | |
68ffbac6 | 1922 | Section type, attribute and align should have been set when the |
7f307238 IS |
1923 | section was created - either read in or specified. */ |
1924 | target_index = 0; | |
1925 | for (sec = abfd->sections; sec; sec = sec->next) | |
1926 | { | |
1927 | unsigned bfd_align = bfd_get_section_alignment (abfd, sec); | |
1928 | bfd_mach_o_section *msect = bfd_mach_o_get_mach_o_section (sec); | |
1929 | ||
1930 | mdata->sections[target_index] = msect; | |
1931 | ||
1932 | msect->addr = bfd_get_section_vma (abfd, sec); | |
1933 | msect->size = bfd_get_section_size (sec); | |
1934 | ||
68ffbac6 | 1935 | /* Use the largest alignment set, in case it was bumped after the |
7f307238 IS |
1936 | section was created. */ |
1937 | msect->align = msect->align > bfd_align ? msect->align : bfd_align; | |
1938 | ||
1939 | msect->offset = 0; | |
1940 | sec->target_index = ++target_index; | |
92bc0e80 | 1941 | } |
7f307238 | 1942 | |
92bc0e80 TG |
1943 | return TRUE; |
1944 | } | |
1945 | ||
154a1ee5 | 1946 | bfd_boolean |
116c20d2 | 1947 | bfd_mach_o_write_contents (bfd *abfd) |
3af9a47b NC |
1948 | { |
1949 | unsigned int i; | |
046b007d | 1950 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
3af9a47b | 1951 | |
7f307238 | 1952 | /* Make the commands, if not already present. */ |
92bc0e80 TG |
1953 | if (mdata->header.ncmds == 0) |
1954 | if (!bfd_mach_o_build_commands (abfd)) | |
1955 | return FALSE; | |
1956 | ||
154a1ee5 | 1957 | if (!bfd_mach_o_write_header (abfd, &mdata->header)) |
b34976b6 | 1958 | return FALSE; |
3af9a47b NC |
1959 | |
1960 | for (i = 0; i < mdata->header.ncmds; i++) | |
1961 | { | |
46d1c23b | 1962 | struct mach_o_load_command_external raw; |
3af9a47b NC |
1963 | bfd_mach_o_load_command *cur = &mdata->commands[i]; |
1964 | unsigned long typeflag; | |
1965 | ||
154a1ee5 | 1966 | typeflag = cur->type | (cur->type_required ? BFD_MACH_O_LC_REQ_DYLD : 0); |
3af9a47b | 1967 | |
46d1c23b TG |
1968 | bfd_h_put_32 (abfd, typeflag, raw.cmd); |
1969 | bfd_h_put_32 (abfd, cur->len, raw.cmdsize); | |
3af9a47b | 1970 | |
c2f09c75 | 1971 | if (bfd_seek (abfd, cur->offset, SEEK_SET) != 0 |
46d1c23b | 1972 | || bfd_bwrite (&raw, BFD_MACH_O_LC_SIZE, abfd) != 8) |
b34976b6 | 1973 | return FALSE; |
3af9a47b NC |
1974 | |
1975 | switch (cur->type) | |
1976 | { | |
1977 | case BFD_MACH_O_LC_SEGMENT: | |
ab273af8 | 1978 | if (bfd_mach_o_write_segment_32 (abfd, cur) != 0) |
1e8a024a TG |
1979 | return FALSE; |
1980 | break; | |
1981 | case BFD_MACH_O_LC_SEGMENT_64: | |
ab273af8 | 1982 | if (bfd_mach_o_write_segment_64 (abfd, cur) != 0) |
b34976b6 | 1983 | return FALSE; |
3af9a47b NC |
1984 | break; |
1985 | case BFD_MACH_O_LC_SYMTAB: | |
ab273af8 | 1986 | if (!bfd_mach_o_write_symtab (abfd, cur)) |
b34976b6 | 1987 | return FALSE; |
3af9a47b | 1988 | break; |
7f307238 IS |
1989 | case BFD_MACH_O_LC_DYSYMTAB: |
1990 | if (!bfd_mach_o_write_dysymtab (abfd, cur)) | |
1991 | return FALSE; | |
1992 | break; | |
3af9a47b NC |
1993 | case BFD_MACH_O_LC_SYMSEG: |
1994 | break; | |
1995 | case BFD_MACH_O_LC_THREAD: | |
1996 | case BFD_MACH_O_LC_UNIXTHREAD: | |
ab273af8 | 1997 | if (bfd_mach_o_write_thread (abfd, cur) != 0) |
b34976b6 | 1998 | return FALSE; |
3af9a47b NC |
1999 | break; |
2000 | case BFD_MACH_O_LC_LOADFVMLIB: | |
2001 | case BFD_MACH_O_LC_IDFVMLIB: | |
2002 | case BFD_MACH_O_LC_IDENT: | |
2003 | case BFD_MACH_O_LC_FVMFILE: | |
2004 | case BFD_MACH_O_LC_PREPAGE: | |
3af9a47b NC |
2005 | case BFD_MACH_O_LC_LOAD_DYLIB: |
2006 | case BFD_MACH_O_LC_LOAD_WEAK_DYLIB: | |
2007 | case BFD_MACH_O_LC_ID_DYLIB: | |
046b007d | 2008 | case BFD_MACH_O_LC_REEXPORT_DYLIB: |
73017762 | 2009 | case BFD_MACH_O_LC_LOAD_UPWARD_DYLIB: |
3af9a47b NC |
2010 | case BFD_MACH_O_LC_LOAD_DYLINKER: |
2011 | case BFD_MACH_O_LC_ID_DYLINKER: | |
2012 | case BFD_MACH_O_LC_PREBOUND_DYLIB: | |
2013 | case BFD_MACH_O_LC_ROUTINES: | |
2014 | case BFD_MACH_O_LC_SUB_FRAMEWORK: | |
2015 | break; | |
2016 | default: | |
4a97a0e5 AM |
2017 | (*_bfd_error_handler) (_("unable to write unknown load command 0x%lx"), |
2018 | (unsigned long) cur->type); | |
b34976b6 | 2019 | return FALSE; |
3af9a47b NC |
2020 | } |
2021 | } | |
2022 | ||
b34976b6 | 2023 | return TRUE; |
3af9a47b NC |
2024 | } |
2025 | ||
f1bde64c TG |
2026 | static void |
2027 | bfd_mach_o_append_section_to_segment (bfd_mach_o_segment_command *seg, | |
2028 | asection *sec) | |
2029 | { | |
2030 | bfd_mach_o_section *s = (bfd_mach_o_section *)sec->used_by_bfd; | |
2031 | if (seg->sect_head == NULL) | |
2032 | seg->sect_head = s; | |
2033 | else | |
2034 | seg->sect_tail->next = s; | |
2035 | seg->sect_tail = s; | |
2036 | } | |
2037 | ||
2038 | /* Create section Mach-O flags from BFD flags. */ | |
2039 | ||
2040 | static void | |
2041 | bfd_mach_o_set_section_flags_from_bfd (bfd *abfd ATTRIBUTE_UNUSED, asection *sec) | |
2042 | { | |
2043 | flagword bfd_flags; | |
2044 | bfd_mach_o_section *s = bfd_mach_o_get_mach_o_section (sec); | |
2045 | ||
2046 | /* Create default flags. */ | |
2047 | bfd_flags = bfd_get_section_flags (abfd, sec); | |
2048 | if ((bfd_flags & SEC_CODE) == SEC_CODE) | |
2049 | s->flags = BFD_MACH_O_S_ATTR_PURE_INSTRUCTIONS | |
2050 | | BFD_MACH_O_S_ATTR_SOME_INSTRUCTIONS | |
2051 | | BFD_MACH_O_S_REGULAR; | |
2052 | else if ((bfd_flags & (SEC_ALLOC | SEC_LOAD)) == SEC_ALLOC) | |
2053 | s->flags = BFD_MACH_O_S_ZEROFILL; | |
2054 | else if (bfd_flags & SEC_DEBUGGING) | |
2055 | s->flags = BFD_MACH_O_S_REGULAR | BFD_MACH_O_S_ATTR_DEBUG; | |
2056 | else | |
2057 | s->flags = BFD_MACH_O_S_REGULAR; | |
2058 | } | |
2059 | ||
7f307238 IS |
2060 | /* Count the number of sections in the list for the segment named. |
2061 | ||
2062 | The special case of NULL or "" for the segment name is valid for | |
68ffbac6 L |
2063 | an MH_OBJECT file and means 'all sections available'. |
2064 | ||
2065 | Requires that the sections table in mdata be filled in. | |
7f307238 IS |
2066 | |
2067 | Returns the number of sections (0 is valid). | |
2068 | Any number > 255 signals an invalid section count, although we will, | |
2069 | perhaps, allow the file to be written (in line with Darwin tools up | |
68ffbac6 L |
2070 | to XCode 4). |
2071 | ||
7f307238 IS |
2072 | A section count of (unsigned long) -1 signals a definite error. */ |
2073 | ||
2074 | static unsigned long | |
2075 | bfd_mach_o_count_sections_for_seg (const char *segment, | |
2076 | bfd_mach_o_data_struct *mdata) | |
2077 | { | |
2078 | unsigned i,j; | |
2079 | if (mdata == NULL || mdata->sections == NULL) | |
2080 | return (unsigned long) -1; | |
2081 | ||
2082 | /* The MH_OBJECT case, all sections are considered; Although nsects is | |
2083 | is an unsigned long, the maximum valid section count is 255 and this | |
2084 | will have been checked already by mangle_sections. */ | |
2085 | if (segment == NULL || segment[0] == '\0') | |
2086 | return mdata->nsects; | |
2087 | ||
2088 | /* Count the number of sections we see in this segment. */ | |
2089 | j = 0; | |
2090 | for (i = 0; i < mdata->nsects; ++i) | |
2091 | { | |
2092 | bfd_mach_o_section *s = mdata->sections[i]; | |
2093 | if (strncmp (segment, s->segname, BFD_MACH_O_SEGNAME_SIZE) == 0) | |
2094 | j++; | |
2095 | } | |
2096 | return j; | |
2097 | } | |
2098 | ||
2099 | static bfd_boolean | |
2100 | bfd_mach_o_build_seg_command (const char *segment, | |
2101 | bfd_mach_o_data_struct *mdata, | |
2102 | bfd_mach_o_segment_command *seg) | |
2103 | { | |
2104 | unsigned i; | |
2105 | int is_mho = (segment == NULL || segment[0] == '\0'); | |
2106 | ||
2107 | /* Fill segment command. */ | |
2108 | if (is_mho) | |
2109 | memset (seg->segname, 0, sizeof (seg->segname)); | |
2110 | else | |
2111 | strncpy (seg->segname, segment, sizeof (seg->segname)); | |
2112 | ||
2113 | /* TODO: fix this up for non-MH_OBJECT cases. */ | |
2114 | seg->vmaddr = 0; | |
e5081f2f | 2115 | seg->vmsize = 0; |
7f307238 IS |
2116 | |
2117 | seg->fileoff = mdata->filelen; | |
2118 | seg->filesize = 0; | |
2119 | seg->maxprot = BFD_MACH_O_PROT_READ | BFD_MACH_O_PROT_WRITE | |
2120 | | BFD_MACH_O_PROT_EXECUTE; | |
2121 | seg->initprot = seg->maxprot; | |
2122 | seg->flags = 0; | |
2123 | seg->sect_head = NULL; | |
2124 | seg->sect_tail = NULL; | |
2125 | ||
68ffbac6 | 2126 | /* Append sections to the segment. |
09903f4b IS |
2127 | |
2128 | This is a little tedious, we have to honor the need to account zerofill | |
2129 | sections after all the rest. This forces us to do the calculation of | |
68ffbac6 | 2130 | total vmsize in three passes so that any alignment increments are |
09903f4b | 2131 | properly accounted. */ |
7f307238 IS |
2132 | |
2133 | for (i = 0; i < mdata->nsects; ++i) | |
2134 | { | |
2135 | bfd_mach_o_section *s = mdata->sections[i]; | |
2136 | asection *sec = s->bfdsection; | |
2137 | ||
2138 | /* If we're not making an MH_OBJECT, check whether this section is from | |
2139 | our segment, and skip if not. Otherwise, just add all sections. */ | |
68ffbac6 | 2140 | if (! is_mho |
7f307238 IS |
2141 | && strncmp (segment, s->segname, BFD_MACH_O_SEGNAME_SIZE) != 0) |
2142 | continue; | |
2143 | ||
09903f4b IS |
2144 | /* Although we account for zerofill section sizes in vm order, they are |
2145 | placed in the file in source sequence. */ | |
7f307238 | 2146 | bfd_mach_o_append_section_to_segment (seg, sec); |
e5081f2f | 2147 | s->offset = 0; |
68ffbac6 L |
2148 | |
2149 | /* Zerofill sections have zero file size & offset, | |
e5081f2f IS |
2150 | and are not written. */ |
2151 | if ((s->flags & BFD_MACH_O_SECTION_TYPE_MASK) == BFD_MACH_O_S_ZEROFILL | |
68ffbac6 | 2152 | || (s->flags & BFD_MACH_O_SECTION_TYPE_MASK) |
e5081f2f IS |
2153 | == BFD_MACH_O_S_GB_ZEROFILL) |
2154 | continue; | |
2155 | ||
2156 | if (s->size > 0) | |
7f307238 | 2157 | { |
09903f4b IS |
2158 | seg->vmsize = FILE_ALIGN (seg->vmsize, s->align); |
2159 | seg->vmsize += s->size; | |
2160 | ||
2161 | seg->filesize = FILE_ALIGN (seg->filesize, s->align); | |
2162 | seg->filesize += s->size; | |
2163 | ||
7f307238 IS |
2164 | mdata->filelen = FILE_ALIGN (mdata->filelen, s->align); |
2165 | s->offset = mdata->filelen; | |
2166 | } | |
2167 | ||
2168 | sec->filepos = s->offset; | |
7f307238 IS |
2169 | mdata->filelen += s->size; |
2170 | } | |
2171 | ||
09903f4b IS |
2172 | /* Now pass through again, for zerofill, only now we just update the vmsize. */ |
2173 | for (i = 0; i < mdata->nsects; ++i) | |
2174 | { | |
2175 | bfd_mach_o_section *s = mdata->sections[i]; | |
2176 | ||
2177 | if ((s->flags & BFD_MACH_O_SECTION_TYPE_MASK) != BFD_MACH_O_S_ZEROFILL) | |
2178 | continue; | |
2179 | ||
68ffbac6 | 2180 | if (! is_mho |
09903f4b IS |
2181 | && strncmp (segment, s->segname, BFD_MACH_O_SEGNAME_SIZE) != 0) |
2182 | continue; | |
2183 | ||
2184 | if (s->size > 0) | |
2185 | { | |
2186 | seg->vmsize = FILE_ALIGN (seg->vmsize, s->align); | |
2187 | seg->vmsize += s->size; | |
2188 | } | |
2189 | } | |
2190 | ||
2191 | /* Now pass through again, for zerofill_GB. */ | |
2192 | for (i = 0; i < mdata->nsects; ++i) | |
2193 | { | |
2194 | bfd_mach_o_section *s = mdata->sections[i]; | |
68ffbac6 | 2195 | |
09903f4b IS |
2196 | if ((s->flags & BFD_MACH_O_SECTION_TYPE_MASK) != BFD_MACH_O_S_GB_ZEROFILL) |
2197 | continue; | |
2198 | ||
68ffbac6 | 2199 | if (! is_mho |
09903f4b IS |
2200 | && strncmp (segment, s->segname, BFD_MACH_O_SEGNAME_SIZE) != 0) |
2201 | continue; | |
2202 | ||
2203 | if (s->size > 0) | |
2204 | { | |
2205 | seg->vmsize = FILE_ALIGN (seg->vmsize, s->align); | |
2206 | seg->vmsize += s->size; | |
2207 | } | |
2208 | } | |
bb76d940 | 2209 | |
09903f4b | 2210 | /* Allocate space for the relocations. */ |
bb76d940 IS |
2211 | mdata->filelen = FILE_ALIGN(mdata->filelen, 2); |
2212 | ||
2213 | for (i = 0; i < mdata->nsects; ++i) | |
2214 | { | |
2215 | bfd_mach_o_section *ms = mdata->sections[i]; | |
2216 | asection *sec = ms->bfdsection; | |
68ffbac6 | 2217 | |
bb76d940 IS |
2218 | if ((ms->nreloc = sec->reloc_count) == 0) |
2219 | { | |
2220 | ms->reloff = 0; | |
2221 | continue; | |
2222 | } | |
2223 | sec->rel_filepos = mdata->filelen; | |
2224 | ms->reloff = sec->rel_filepos; | |
2225 | mdata->filelen += sec->reloc_count * BFD_MACH_O_RELENT_SIZE; | |
2226 | } | |
7f307238 IS |
2227 | |
2228 | return TRUE; | |
2229 | } | |
2230 | ||
50d10658 IS |
2231 | /* Count the number of indirect symbols in the image. |
2232 | Requires that the sections are in their final order. */ | |
2233 | ||
2234 | static unsigned int | |
2235 | bfd_mach_o_count_indirect_symbols (bfd *abfd, bfd_mach_o_data_struct *mdata) | |
2236 | { | |
2237 | unsigned int i; | |
2238 | unsigned int nisyms = 0; | |
2239 | ||
2240 | for (i = 0; i < mdata->nsects; ++i) | |
2241 | { | |
2242 | bfd_mach_o_section *sec = mdata->sections[i]; | |
2243 | ||
2244 | switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK) | |
2245 | { | |
2246 | case BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS: | |
2247 | case BFD_MACH_O_S_LAZY_SYMBOL_POINTERS: | |
2248 | case BFD_MACH_O_S_SYMBOL_STUBS: | |
2249 | nisyms += bfd_mach_o_section_get_nbr_indirect (abfd, sec); | |
2250 | break; | |
2251 | default: | |
2252 | break; | |
2253 | } | |
2254 | } | |
2255 | return nisyms; | |
2256 | } | |
2257 | ||
7f307238 IS |
2258 | static bfd_boolean |
2259 | bfd_mach_o_build_dysymtab_command (bfd *abfd, | |
2260 | bfd_mach_o_data_struct *mdata, | |
2261 | bfd_mach_o_load_command *cmd) | |
2262 | { | |
2263 | bfd_mach_o_dysymtab_command *dsym = &cmd->command.dysymtab; | |
2264 | ||
2265 | /* TODO: | |
2266 | We are not going to try and fill these in yet and, moreover, we are | |
2267 | going to bail if they are already set. */ | |
2268 | if (dsym->nmodtab != 0 | |
2269 | || dsym->ntoc != 0 | |
2270 | || dsym->nextrefsyms != 0) | |
2271 | { | |
2272 | (*_bfd_error_handler) (_("sorry: modtab, toc and extrefsyms are not yet" | |
2273 | " implemented for dysymtab commands.")); | |
2274 | return FALSE; | |
2275 | } | |
2276 | ||
2277 | dsym->ilocalsym = 0; | |
7f307238 | 2278 | |
b22161d6 | 2279 | if (bfd_get_symcount (abfd) > 0) |
7f307238 | 2280 | { |
b22161d6 IS |
2281 | asymbol **symbols = bfd_get_outsymbols (abfd); |
2282 | unsigned long i; | |
2283 | ||
2284 | /* Count the number of each kind of symbol. */ | |
2285 | for (i = 0; i < bfd_get_symcount (abfd); ++i) | |
2286 | { | |
2287 | bfd_mach_o_asymbol *s = (bfd_mach_o_asymbol *)symbols[i]; | |
2288 | if (s->n_type & (BFD_MACH_O_N_EXT | BFD_MACH_O_N_PEXT)) | |
2289 | break; | |
2290 | } | |
2291 | dsym->nlocalsym = i; | |
2292 | dsym->iextdefsym = i; | |
2293 | for (; i < bfd_get_symcount (abfd); ++i) | |
2294 | { | |
2295 | bfd_mach_o_asymbol *s = (bfd_mach_o_asymbol *)symbols[i]; | |
2296 | if ((s->n_type & BFD_MACH_O_N_TYPE) == BFD_MACH_O_N_UNDF) | |
2297 | break; | |
2298 | } | |
2299 | dsym->nextdefsym = i - dsym->nlocalsym; | |
2300 | dsym->iundefsym = dsym->nextdefsym + dsym->iextdefsym; | |
68ffbac6 L |
2301 | dsym->nundefsym = bfd_get_symcount (abfd) |
2302 | - dsym->nlocalsym | |
b22161d6 IS |
2303 | - dsym->nextdefsym; |
2304 | } | |
2305 | else | |
2306 | { | |
2307 | dsym->nlocalsym = 0; | |
2308 | dsym->iextdefsym = 0; | |
2309 | dsym->nextdefsym = 0; | |
2310 | dsym->iundefsym = 0; | |
2311 | dsym->nundefsym = 0; | |
2312 | } | |
2313 | ||
50d10658 | 2314 | dsym->nindirectsyms = bfd_mach_o_count_indirect_symbols (abfd, mdata); |
b22161d6 IS |
2315 | if (dsym->nindirectsyms > 0) |
2316 | { | |
2317 | unsigned i; | |
50d10658 | 2318 | unsigned n; |
7f307238 IS |
2319 | |
2320 | mdata->filelen = FILE_ALIGN (mdata->filelen, 2); | |
2321 | dsym->indirectsymoff = mdata->filelen; | |
b22161d6 | 2322 | mdata->filelen += dsym->nindirectsyms * 4; |
68ffbac6 | 2323 | |
b22161d6 | 2324 | dsym->indirect_syms = bfd_zalloc (abfd, dsym->nindirectsyms * 4); |
7f307238 IS |
2325 | if (dsym->indirect_syms == NULL) |
2326 | return FALSE; | |
68ffbac6 | 2327 | |
50d10658 IS |
2328 | n = 0; |
2329 | for (i = 0; i < mdata->nsects; ++i) | |
7f307238 | 2330 | { |
50d10658 IS |
2331 | bfd_mach_o_section *sec = mdata->sections[i]; |
2332 | ||
2333 | switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK) | |
2334 | { | |
2335 | case BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS: | |
2336 | case BFD_MACH_O_S_LAZY_SYMBOL_POINTERS: | |
2337 | case BFD_MACH_O_S_SYMBOL_STUBS: | |
2338 | { | |
2339 | unsigned j, num; | |
2340 | bfd_mach_o_asymbol **isyms = sec->indirect_syms; | |
68ffbac6 | 2341 | |
50d10658 IS |
2342 | num = bfd_mach_o_section_get_nbr_indirect (abfd, sec); |
2343 | if (isyms == NULL || num == 0) | |
2344 | break; | |
2345 | /* Record the starting index in the reserved1 field. */ | |
2346 | sec->reserved1 = n; | |
2347 | for (j = 0; j < num; j++, n++) | |
2348 | { | |
2349 | if (isyms[j] == NULL) | |
2350 | dsym->indirect_syms[n] = BFD_MACH_O_INDIRECT_SYM_LOCAL; | |
687be931 IS |
2351 | else if (isyms[j]->symbol.section == bfd_abs_section_ptr |
2352 | && ! (isyms[j]->n_type & BFD_MACH_O_N_EXT)) | |
2353 | dsym->indirect_syms[n] = BFD_MACH_O_INDIRECT_SYM_LOCAL | |
2354 | | BFD_MACH_O_INDIRECT_SYM_ABS; | |
50d10658 IS |
2355 | else |
2356 | dsym->indirect_syms[n] = isyms[j]->symbol.udata.i; | |
2357 | } | |
2358 | } | |
2359 | break; | |
2360 | default: | |
2361 | break; | |
2362 | } | |
7f307238 IS |
2363 | } |
2364 | } | |
2365 | ||
2366 | return TRUE; | |
2367 | } | |
2368 | ||
2369 | /* Build Mach-O load commands (currently assuming an MH_OBJECT file). | |
2370 | TODO: Other file formats, rebuilding symtab/dysymtab commands for strip | |
2371 | and copy functionality. */ | |
154a1ee5 TG |
2372 | |
2373 | bfd_boolean | |
2374 | bfd_mach_o_build_commands (bfd *abfd) | |
2375 | { | |
046b007d | 2376 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
bbd56171 IS |
2377 | unsigned wide = mach_o_wide_p (&mdata->header); |
2378 | int segcmd_idx = -1; | |
2379 | int symtab_idx = -1; | |
2380 | int dysymtab_idx = -1; | |
2381 | unsigned long base_offset = 0; | |
154a1ee5 | 2382 | |
7f307238 | 2383 | /* Return now if commands are already present. */ |
154a1ee5 TG |
2384 | if (mdata->header.ncmds) |
2385 | return FALSE; | |
2386 | ||
7f307238 | 2387 | /* Fill in the file type, if not already set. */ |
154a1ee5 | 2388 | |
7f307238 | 2389 | if (mdata->header.filetype == 0) |
154a1ee5 | 2390 | { |
7f307238 IS |
2391 | if (abfd->flags & EXEC_P) |
2392 | mdata->header.filetype = BFD_MACH_O_MH_EXECUTE; | |
2393 | else if (abfd->flags & DYNAMIC) | |
2394 | mdata->header.filetype = BFD_MACH_O_MH_DYLIB; | |
2395 | else | |
2396 | mdata->header.filetype = BFD_MACH_O_MH_OBJECT; | |
154a1ee5 | 2397 | } |
7f307238 IS |
2398 | |
2399 | /* If hasn't already been done, flatten sections list, and sort | |
2400 | if/when required. Must be done before the symbol table is adjusted, | |
2401 | since that depends on properly numbered sections. */ | |
2402 | if (mdata->nsects == 0 || mdata->sections == NULL) | |
2403 | if (! bfd_mach_o_mangle_sections (abfd, mdata)) | |
2404 | return FALSE; | |
2405 | ||
2406 | /* Order the symbol table, fill-in/check mach-o specific fields and | |
2407 | partition out any indirect symbols. */ | |
b22161d6 | 2408 | if (!bfd_mach_o_mangle_symbols (abfd)) |
7f307238 IS |
2409 | return FALSE; |
2410 | ||
bbd56171 IS |
2411 | /* Very simple command set (only really applicable to MH_OBJECTs): |
2412 | All the commands are optional - present only when there is suitable data. | |
2413 | (i.e. it is valid to have an empty file) | |
2414 | ||
2415 | a command (segment) to contain all the sections, | |
2416 | command for the symbol table, | |
68ffbac6 | 2417 | a command for the dysymtab. |
bbd56171 IS |
2418 | |
2419 | ??? maybe we should assert that this is an MH_OBJECT? */ | |
2420 | ||
7f307238 | 2421 | if (mdata->nsects > 0) |
154a1ee5 | 2422 | { |
bbd56171 | 2423 | segcmd_idx = 0; |
7f307238 | 2424 | mdata->header.ncmds = 1; |
154a1ee5 | 2425 | } |
154a1ee5 | 2426 | |
7f307238 | 2427 | if (bfd_get_symcount (abfd) > 0) |
bbd56171 IS |
2428 | { |
2429 | mdata->header.ncmds++; | |
2430 | symtab_idx = segcmd_idx + 1; /* 0 if the seg command is absent. */ | |
2431 | } | |
c2f09c75 | 2432 | |
bbd56171 IS |
2433 | /* FIXME: |
2434 | This is a rather crude test for whether we should build a dysymtab. */ | |
2435 | if (bfd_mach_o_should_emit_dysymtab () | |
2436 | && bfd_get_symcount (abfd)) | |
2437 | { | |
2438 | mdata->header.ncmds++; | |
2439 | /* If there should be a case where a dysymtab could be emitted without | |
2440 | a symtab (seems improbable), this would need amending. */ | |
2441 | dysymtab_idx = symtab_idx + 1; | |
2442 | } | |
154a1ee5 | 2443 | |
bbd56171 IS |
2444 | if (wide) |
2445 | base_offset = BFD_MACH_O_HEADER_64_SIZE; | |
2446 | else | |
2447 | base_offset = BFD_MACH_O_HEADER_SIZE; | |
c2f09c75 | 2448 | |
bbd56171 IS |
2449 | /* Well, we must have a header, at least. */ |
2450 | mdata->filelen = base_offset; | |
f1bde64c | 2451 | |
bbd56171 | 2452 | /* A bit unusual, but no content is valid; |
7f307238 IS |
2453 | as -n empty.s -o empty.o */ |
2454 | if (mdata->header.ncmds == 0) | |
2455 | return TRUE; | |
f1bde64c | 2456 | |
7f307238 IS |
2457 | mdata->commands = bfd_zalloc (abfd, mdata->header.ncmds |
2458 | * sizeof (bfd_mach_o_load_command)); | |
2459 | if (mdata->commands == NULL) | |
2460 | return FALSE; | |
2461 | ||
bbd56171 | 2462 | if (segcmd_idx >= 0) |
68ffbac6 | 2463 | { |
bbd56171 IS |
2464 | bfd_mach_o_load_command *cmd = &mdata->commands[segcmd_idx]; |
2465 | bfd_mach_o_segment_command *seg = &cmd->command.segment; | |
7f307238 IS |
2466 | |
2467 | /* Count the segctions in the special blank segment used for MH_OBJECT. */ | |
2468 | seg->nsects = bfd_mach_o_count_sections_for_seg (NULL, mdata); | |
2469 | if (seg->nsects == (unsigned long) -1) | |
2470 | return FALSE; | |
2471 | ||
2472 | /* Init segment command. */ | |
bbd56171 | 2473 | cmd->offset = base_offset; |
7f307238 IS |
2474 | if (wide) |
2475 | { | |
2476 | cmd->type = BFD_MACH_O_LC_SEGMENT_64; | |
7f307238 IS |
2477 | cmd->len = BFD_MACH_O_LC_SEGMENT_64_SIZE |
2478 | + BFD_MACH_O_SECTION_64_SIZE * seg->nsects; | |
2479 | } | |
92bc0e80 | 2480 | else |
7f307238 IS |
2481 | { |
2482 | cmd->type = BFD_MACH_O_LC_SEGMENT; | |
7f307238 IS |
2483 | cmd->len = BFD_MACH_O_LC_SEGMENT_SIZE |
2484 | + BFD_MACH_O_SECTION_SIZE * seg->nsects; | |
2485 | } | |
bbd56171 | 2486 | |
7f307238 IS |
2487 | cmd->type_required = FALSE; |
2488 | mdata->header.sizeofcmds = cmd->len; | |
bbd56171 | 2489 | mdata->filelen += cmd->len; |
7f307238 | 2490 | } |
f1bde64c | 2491 | |
bbd56171 | 2492 | if (symtab_idx >= 0) |
7f307238 IS |
2493 | { |
2494 | /* Init symtab command. */ | |
bbd56171 | 2495 | bfd_mach_o_load_command *cmd = &mdata->commands[symtab_idx]; |
68ffbac6 | 2496 | |
bbd56171 IS |
2497 | cmd->type = BFD_MACH_O_LC_SYMTAB; |
2498 | cmd->offset = base_offset; | |
2499 | if (segcmd_idx >= 0) | |
2500 | cmd->offset += mdata->commands[segcmd_idx].len; | |
2501 | ||
2502 | cmd->len = sizeof (struct mach_o_symtab_command_external) | |
2503 | + BFD_MACH_O_LC_SIZE; | |
2504 | cmd->type_required = FALSE; | |
2505 | mdata->header.sizeofcmds += cmd->len; | |
2506 | mdata->filelen += cmd->len; | |
7f307238 | 2507 | } |
154a1ee5 | 2508 | |
bbd56171 IS |
2509 | /* If required, setup symtab command, see comment above about the quality |
2510 | of this test. */ | |
2511 | if (dysymtab_idx >= 0) | |
7f307238 | 2512 | { |
bbd56171 IS |
2513 | bfd_mach_o_load_command *cmd = &mdata->commands[dysymtab_idx]; |
2514 | ||
7f307238 | 2515 | cmd->type = BFD_MACH_O_LC_DYSYMTAB; |
bbd56171 | 2516 | if (symtab_idx >= 0) |
68ffbac6 | 2517 | cmd->offset = mdata->commands[symtab_idx].offset |
bbd56171 IS |
2518 | + mdata->commands[symtab_idx].len; |
2519 | else if (segcmd_idx >= 0) | |
68ffbac6 | 2520 | cmd->offset = mdata->commands[segcmd_idx].offset |
bbd56171 IS |
2521 | + mdata->commands[segcmd_idx].len; |
2522 | else | |
2523 | cmd->offset = base_offset; | |
2524 | ||
7f307238 | 2525 | cmd->type_required = FALSE; |
bbd56171 IS |
2526 | cmd->len = sizeof (struct mach_o_dysymtab_command_external) |
2527 | + BFD_MACH_O_LC_SIZE; | |
7f307238 IS |
2528 | |
2529 | mdata->header.sizeofcmds += cmd->len; | |
2530 | mdata->filelen += cmd->len; | |
154a1ee5 | 2531 | } |
154a1ee5 | 2532 | |
7f307238 IS |
2533 | /* So, now we have sized the commands and the filelen set to that. |
2534 | Now we can build the segment command and set the section file offsets. */ | |
bbd56171 | 2535 | if (segcmd_idx >= 0 |
68ffbac6 | 2536 | && ! bfd_mach_o_build_seg_command |
bbd56171 | 2537 | (NULL, mdata, &mdata->commands[segcmd_idx].command.segment)) |
7f307238 IS |
2538 | return FALSE; |
2539 | ||
2540 | /* If we're doing a dysymtab, cmd points to its load command. */ | |
bbd56171 | 2541 | if (dysymtab_idx >= 0 |
68ffbac6 | 2542 | && ! bfd_mach_o_build_dysymtab_command (abfd, mdata, |
bbd56171 | 2543 | &mdata->commands[dysymtab_idx])) |
7f307238 IS |
2544 | return FALSE; |
2545 | ||
2546 | /* The symtab command is filled in when the symtab is written. */ | |
154a1ee5 TG |
2547 | return TRUE; |
2548 | } | |
2549 | ||
2550 | /* Set the contents of a section. */ | |
2551 | ||
2552 | bfd_boolean | |
2553 | bfd_mach_o_set_section_contents (bfd *abfd, | |
2554 | asection *section, | |
2555 | const void * location, | |
2556 | file_ptr offset, | |
2557 | bfd_size_type count) | |
2558 | { | |
2559 | file_ptr pos; | |
2560 | ||
7f307238 IS |
2561 | /* Trying to write the first section contents will trigger the creation of |
2562 | the load commands if they are not already present. */ | |
154a1ee5 TG |
2563 | if (! abfd->output_has_begun && ! bfd_mach_o_build_commands (abfd)) |
2564 | return FALSE; | |
2565 | ||
2566 | if (count == 0) | |
2567 | return TRUE; | |
2568 | ||
2569 | pos = section->filepos + offset; | |
2570 | if (bfd_seek (abfd, pos, SEEK_SET) != 0 | |
2571 | || bfd_bwrite (location, count, abfd) != count) | |
2572 | return FALSE; | |
2573 | ||
2574 | return TRUE; | |
2575 | } | |
2576 | ||
2577 | int | |
116c20d2 | 2578 | bfd_mach_o_sizeof_headers (bfd *a ATTRIBUTE_UNUSED, |
a6b96beb | 2579 | struct bfd_link_info *info ATTRIBUTE_UNUSED) |
3af9a47b NC |
2580 | { |
2581 | return 0; | |
2582 | } | |
2583 | ||
2584 | /* Make an empty symbol. This is required only because | |
2585 | bfd_make_section_anyway wants to create a symbol for the section. */ | |
2586 | ||
154a1ee5 | 2587 | asymbol * |
116c20d2 | 2588 | bfd_mach_o_make_empty_symbol (bfd *abfd) |
3af9a47b | 2589 | { |
d3ce72d0 NC |
2590 | asymbol *new_symbol; |
2591 | ||
2592 | new_symbol = bfd_zalloc (abfd, sizeof (bfd_mach_o_asymbol)); | |
2593 | if (new_symbol == NULL) | |
2594 | return new_symbol; | |
2595 | new_symbol->the_bfd = abfd; | |
b22161d6 | 2596 | new_symbol->udata.i = SYM_MACHO_FIELDS_UNSET; |
d3ce72d0 | 2597 | return new_symbol; |
3af9a47b NC |
2598 | } |
2599 | ||
154a1ee5 | 2600 | static bfd_boolean |
116c20d2 | 2601 | bfd_mach_o_read_header (bfd *abfd, bfd_mach_o_header *header) |
3af9a47b | 2602 | { |
46d1c23b | 2603 | struct mach_o_header_external raw; |
1e8a024a | 2604 | unsigned int size; |
edeb6e24 | 2605 | bfd_vma (*get32) (const void *) = NULL; |
3af9a47b | 2606 | |
1e8a024a | 2607 | /* Just read the magic number. */ |
c2f09c75 | 2608 | if (bfd_seek (abfd, 0, SEEK_SET) != 0 |
46d1c23b | 2609 | || bfd_bread (raw.magic, sizeof (raw.magic), abfd) != 4) |
154a1ee5 | 2610 | return FALSE; |
3af9a47b | 2611 | |
46d1c23b | 2612 | if (bfd_getb32 (raw.magic) == BFD_MACH_O_MH_MAGIC) |
3af9a47b NC |
2613 | { |
2614 | header->byteorder = BFD_ENDIAN_BIG; | |
154a1ee5 | 2615 | header->magic = BFD_MACH_O_MH_MAGIC; |
1e8a024a | 2616 | header->version = 1; |
3af9a47b NC |
2617 | get32 = bfd_getb32; |
2618 | } | |
46d1c23b | 2619 | else if (bfd_getl32 (raw.magic) == BFD_MACH_O_MH_MAGIC) |
3af9a47b | 2620 | { |
a95a4550 | 2621 | header->byteorder = BFD_ENDIAN_LITTLE; |
154a1ee5 | 2622 | header->magic = BFD_MACH_O_MH_MAGIC; |
1e8a024a TG |
2623 | header->version = 1; |
2624 | get32 = bfd_getl32; | |
2625 | } | |
46d1c23b | 2626 | else if (bfd_getb32 (raw.magic) == BFD_MACH_O_MH_MAGIC_64) |
1e8a024a TG |
2627 | { |
2628 | header->byteorder = BFD_ENDIAN_BIG; | |
154a1ee5 | 2629 | header->magic = BFD_MACH_O_MH_MAGIC_64; |
1e8a024a TG |
2630 | header->version = 2; |
2631 | get32 = bfd_getb32; | |
2632 | } | |
46d1c23b | 2633 | else if (bfd_getl32 (raw.magic) == BFD_MACH_O_MH_MAGIC_64) |
1e8a024a TG |
2634 | { |
2635 | header->byteorder = BFD_ENDIAN_LITTLE; | |
154a1ee5 | 2636 | header->magic = BFD_MACH_O_MH_MAGIC_64; |
1e8a024a | 2637 | header->version = 2; |
3af9a47b NC |
2638 | get32 = bfd_getl32; |
2639 | } | |
2640 | else | |
2641 | { | |
2642 | header->byteorder = BFD_ENDIAN_UNKNOWN; | |
154a1ee5 | 2643 | return FALSE; |
3af9a47b | 2644 | } |
a95a4550 | 2645 | |
1e8a024a | 2646 | /* Once the size of the header is known, read the full header. */ |
c2f09c75 | 2647 | size = mach_o_wide_p (header) ? |
154a1ee5 | 2648 | BFD_MACH_O_HEADER_64_SIZE : BFD_MACH_O_HEADER_SIZE; |
1e8a024a | 2649 | |
c2f09c75 | 2650 | if (bfd_seek (abfd, 0, SEEK_SET) != 0 |
46d1c23b | 2651 | || bfd_bread (&raw, size, abfd) != size) |
154a1ee5 | 2652 | return FALSE; |
1e8a024a | 2653 | |
46d1c23b TG |
2654 | header->cputype = (*get32) (raw.cputype); |
2655 | header->cpusubtype = (*get32) (raw.cpusubtype); | |
2656 | header->filetype = (*get32) (raw.filetype); | |
2657 | header->ncmds = (*get32) (raw.ncmds); | |
2658 | header->sizeofcmds = (*get32) (raw.sizeofcmds); | |
2659 | header->flags = (*get32) (raw.flags); | |
3af9a47b | 2660 | |
c2f09c75 | 2661 | if (mach_o_wide_p (header)) |
46d1c23b | 2662 | header->reserved = (*get32) (raw.reserved); |
facf03f2 TG |
2663 | else |
2664 | header->reserved = 0; | |
1e8a024a | 2665 | |
154a1ee5 | 2666 | return TRUE; |
3af9a47b NC |
2667 | } |
2668 | ||
f1bde64c TG |
2669 | bfd_boolean |
2670 | bfd_mach_o_new_section_hook (bfd *abfd, asection *sec) | |
2671 | { | |
2672 | bfd_mach_o_section *s; | |
a4551119 | 2673 | unsigned bfdalign = bfd_get_section_alignment (abfd, sec); |
f1bde64c TG |
2674 | |
2675 | s = bfd_mach_o_get_mach_o_section (sec); | |
2676 | if (s == NULL) | |
2677 | { | |
2678 | flagword bfd_flags; | |
a4551119 | 2679 | static const mach_o_section_name_xlat * xlat; |
f1bde64c TG |
2680 | |
2681 | s = (bfd_mach_o_section *) bfd_zalloc (abfd, sizeof (*s)); | |
2682 | if (s == NULL) | |
2683 | return FALSE; | |
2684 | sec->used_by_bfd = s; | |
2685 | s->bfdsection = sec; | |
2686 | ||
a4551119 TG |
2687 | /* Create the Darwin seg/sect name pair from the bfd name. |
2688 | If this is a canonical name for which a specific paiting exists | |
2689 | there will also be defined flags, type, attribute and alignment | |
2690 | values. */ | |
2691 | xlat = bfd_mach_o_convert_section_name_to_mach_o (abfd, sec, s); | |
2692 | if (xlat != NULL) | |
2693 | { | |
2694 | s->flags = xlat->macho_sectype | xlat->macho_secattr; | |
68ffbac6 | 2695 | s->align = xlat->sectalign > bfdalign ? xlat->sectalign |
a4551119 | 2696 | : bfdalign; |
a253d456 | 2697 | (void) bfd_set_section_alignment (abfd, sec, s->align); |
a4551119 TG |
2698 | bfd_flags = bfd_get_section_flags (abfd, sec); |
2699 | if (bfd_flags == SEC_NO_FLAGS) | |
2700 | bfd_set_section_flags (abfd, sec, xlat->bfd_flags); | |
2701 | } | |
f1bde64c | 2702 | else |
a4551119 TG |
2703 | /* Create default flags. */ |
2704 | bfd_mach_o_set_section_flags_from_bfd (abfd, sec); | |
f1bde64c TG |
2705 | } |
2706 | ||
2707 | return _bfd_generic_new_section_hook (abfd, sec); | |
2708 | } | |
2709 | ||
2710 | static void | |
2711 | bfd_mach_o_init_section_from_mach_o (bfd *abfd, asection *sec, | |
2712 | unsigned long prot) | |
3af9a47b | 2713 | { |
117ed4f8 | 2714 | flagword flags; |
f1bde64c | 2715 | bfd_mach_o_section *section; |
3af9a47b | 2716 | |
f1bde64c TG |
2717 | flags = bfd_get_section_flags (abfd, sec); |
2718 | section = bfd_mach_o_get_mach_o_section (sec); | |
3af9a47b | 2719 | |
a4551119 TG |
2720 | /* TODO: see if we should use the xlat system for doing this by |
2721 | preference and fall back to this for unknown sections. */ | |
2722 | ||
8462aec7 | 2723 | if (flags == SEC_NO_FLAGS) |
ef17cb22 | 2724 | { |
8462aec7 TG |
2725 | /* Try to guess flags. */ |
2726 | if (section->flags & BFD_MACH_O_S_ATTR_DEBUG) | |
2727 | flags = SEC_DEBUGGING; | |
2728 | else | |
2729 | { | |
2730 | flags = SEC_ALLOC; | |
2731 | if ((section->flags & BFD_MACH_O_SECTION_TYPE_MASK) | |
2732 | != BFD_MACH_O_S_ZEROFILL) | |
2733 | { | |
2734 | flags |= SEC_LOAD; | |
2735 | if (prot & BFD_MACH_O_PROT_EXECUTE) | |
2736 | flags |= SEC_CODE; | |
2737 | if (prot & BFD_MACH_O_PROT_WRITE) | |
2738 | flags |= SEC_DATA; | |
2739 | else if (prot & BFD_MACH_O_PROT_READ) | |
2740 | flags |= SEC_READONLY; | |
2741 | } | |
2742 | } | |
ef17cb22 | 2743 | } |
15e1c58a TG |
2744 | else |
2745 | { | |
8462aec7 TG |
2746 | if ((flags & SEC_DEBUGGING) == 0) |
2747 | flags |= SEC_ALLOC; | |
15e1c58a | 2748 | } |
8462aec7 TG |
2749 | |
2750 | if (section->offset != 0) | |
2751 | flags |= SEC_HAS_CONTENTS; | |
92bc0e80 TG |
2752 | if (section->nreloc != 0) |
2753 | flags |= SEC_RELOC; | |
2754 | ||
f1bde64c TG |
2755 | bfd_set_section_flags (abfd, sec, flags); |
2756 | ||
2757 | sec->vma = section->addr; | |
2758 | sec->lma = section->addr; | |
2759 | sec->size = section->size; | |
2760 | sec->filepos = section->offset; | |
2761 | sec->alignment_power = section->align; | |
2762 | sec->segment_mark = 0; | |
2763 | sec->reloc_count = section->nreloc; | |
2764 | sec->rel_filepos = section->reloff; | |
2765 | } | |
2766 | ||
2767 | static asection * | |
2768 | bfd_mach_o_make_bfd_section (bfd *abfd, | |
2769 | const unsigned char *segname, | |
2770 | const unsigned char *sectname) | |
2771 | { | |
2772 | const char *sname; | |
2773 | flagword flags; | |
a95a4550 | 2774 | |
f1bde64c TG |
2775 | bfd_mach_o_convert_section_name_to_bfd |
2776 | (abfd, (const char *)segname, (const char *)sectname, &sname, &flags); | |
2777 | if (sname == NULL) | |
2778 | return NULL; | |
3af9a47b | 2779 | |
f1bde64c | 2780 | return bfd_make_section_anyway_with_flags (abfd, sname, flags); |
3af9a47b NC |
2781 | } |
2782 | ||
f1bde64c | 2783 | static asection * |
ab273af8 | 2784 | bfd_mach_o_read_section_32 (bfd *abfd, |
ab273af8 TG |
2785 | unsigned int offset, |
2786 | unsigned long prot) | |
3af9a47b | 2787 | { |
46d1c23b | 2788 | struct mach_o_section_32_external raw; |
f1bde64c TG |
2789 | asection *sec; |
2790 | bfd_mach_o_section *section; | |
3af9a47b | 2791 | |
c2f09c75 | 2792 | if (bfd_seek (abfd, offset, SEEK_SET) != 0 |
46d1c23b | 2793 | || (bfd_bread (&raw, BFD_MACH_O_SECTION_SIZE, abfd) |
c2f09c75 | 2794 | != BFD_MACH_O_SECTION_SIZE)) |
f1bde64c | 2795 | return NULL; |
a95a4550 | 2796 | |
5a5cbf72 | 2797 | sec = bfd_mach_o_make_bfd_section (abfd, raw.segname, raw.sectname); |
f1bde64c TG |
2798 | if (sec == NULL) |
2799 | return NULL; | |
2800 | ||
2801 | section = bfd_mach_o_get_mach_o_section (sec); | |
2802 | memcpy (section->segname, raw.segname, sizeof (raw.segname)); | |
2803 | section->segname[BFD_MACH_O_SEGNAME_SIZE] = 0; | |
2804 | memcpy (section->sectname, raw.sectname, sizeof (raw.sectname)); | |
69499dca | 2805 | section->sectname[BFD_MACH_O_SECTNAME_SIZE] = 0; |
46d1c23b TG |
2806 | section->addr = bfd_h_get_32 (abfd, raw.addr); |
2807 | section->size = bfd_h_get_32 (abfd, raw.size); | |
2808 | section->offset = bfd_h_get_32 (abfd, raw.offset); | |
2809 | section->align = bfd_h_get_32 (abfd, raw.align); | |
2810 | section->reloff = bfd_h_get_32 (abfd, raw.reloff); | |
2811 | section->nreloc = bfd_h_get_32 (abfd, raw.nreloc); | |
2812 | section->flags = bfd_h_get_32 (abfd, raw.flags); | |
2813 | section->reserved1 = bfd_h_get_32 (abfd, raw.reserved1); | |
2814 | section->reserved2 = bfd_h_get_32 (abfd, raw.reserved2); | |
1e8a024a | 2815 | section->reserved3 = 0; |
1e8a024a | 2816 | |
f1bde64c | 2817 | bfd_mach_o_init_section_from_mach_o (abfd, sec, prot); |
1e8a024a | 2818 | |
f1bde64c | 2819 | return sec; |
1e8a024a TG |
2820 | } |
2821 | ||
f1bde64c | 2822 | static asection * |
ab273af8 | 2823 | bfd_mach_o_read_section_64 (bfd *abfd, |
ab273af8 TG |
2824 | unsigned int offset, |
2825 | unsigned long prot) | |
1e8a024a | 2826 | { |
46d1c23b | 2827 | struct mach_o_section_64_external raw; |
f1bde64c TG |
2828 | asection *sec; |
2829 | bfd_mach_o_section *section; | |
1e8a024a | 2830 | |
c2f09c75 | 2831 | if (bfd_seek (abfd, offset, SEEK_SET) != 0 |
46d1c23b | 2832 | || (bfd_bread (&raw, BFD_MACH_O_SECTION_64_SIZE, abfd) |
c2f09c75 | 2833 | != BFD_MACH_O_SECTION_64_SIZE)) |
f1bde64c TG |
2834 | return NULL; |
2835 | ||
5a5cbf72 | 2836 | sec = bfd_mach_o_make_bfd_section (abfd, raw.segname, raw.sectname); |
f1bde64c TG |
2837 | if (sec == NULL) |
2838 | return NULL; | |
1e8a024a | 2839 | |
f1bde64c TG |
2840 | section = bfd_mach_o_get_mach_o_section (sec); |
2841 | memcpy (section->segname, raw.segname, sizeof (raw.segname)); | |
2842 | section->segname[BFD_MACH_O_SEGNAME_SIZE] = 0; | |
2843 | memcpy (section->sectname, raw.sectname, sizeof (raw.sectname)); | |
69499dca | 2844 | section->sectname[BFD_MACH_O_SECTNAME_SIZE] = 0; |
46d1c23b TG |
2845 | section->addr = bfd_h_get_64 (abfd, raw.addr); |
2846 | section->size = bfd_h_get_64 (abfd, raw.size); | |
2847 | section->offset = bfd_h_get_32 (abfd, raw.offset); | |
2848 | section->align = bfd_h_get_32 (abfd, raw.align); | |
2849 | section->reloff = bfd_h_get_32 (abfd, raw.reloff); | |
2850 | section->nreloc = bfd_h_get_32 (abfd, raw.nreloc); | |
2851 | section->flags = bfd_h_get_32 (abfd, raw.flags); | |
2852 | section->reserved1 = bfd_h_get_32 (abfd, raw.reserved1); | |
2853 | section->reserved2 = bfd_h_get_32 (abfd, raw.reserved2); | |
2854 | section->reserved3 = bfd_h_get_32 (abfd, raw.reserved3); | |
3af9a47b | 2855 | |
f1bde64c | 2856 | bfd_mach_o_init_section_from_mach_o (abfd, sec, prot); |
3af9a47b | 2857 | |
f1bde64c | 2858 | return sec; |
3af9a47b NC |
2859 | } |
2860 | ||
f1bde64c | 2861 | static asection * |
ab273af8 | 2862 | bfd_mach_o_read_section (bfd *abfd, |
ab273af8 TG |
2863 | unsigned int offset, |
2864 | unsigned long prot, | |
2865 | unsigned int wide) | |
1e8a024a TG |
2866 | { |
2867 | if (wide) | |
f1bde64c | 2868 | return bfd_mach_o_read_section_64 (abfd, offset, prot); |
1e8a024a | 2869 | else |
f1bde64c | 2870 | return bfd_mach_o_read_section_32 (abfd, offset, prot); |
1e8a024a TG |
2871 | } |
2872 | ||
afbb9e17 | 2873 | static bfd_boolean |
ab273af8 TG |
2874 | bfd_mach_o_read_symtab_symbol (bfd *abfd, |
2875 | bfd_mach_o_symtab_command *sym, | |
2876 | bfd_mach_o_asymbol *s, | |
2877 | unsigned long i) | |
3af9a47b | 2878 | { |
046b007d | 2879 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
c2f09c75 | 2880 | unsigned int wide = mach_o_wide_p (&mdata->header); |
046b007d TG |
2881 | unsigned int symwidth = |
2882 | wide ? BFD_MACH_O_NLIST_64_SIZE : BFD_MACH_O_NLIST_SIZE; | |
92bc0e80 | 2883 | unsigned int symoff = sym->symoff + (i * symwidth); |
46d1c23b | 2884 | struct mach_o_nlist_64_external raw; |
3af9a47b NC |
2885 | unsigned char type = -1; |
2886 | unsigned char section = -1; | |
2887 | short desc = -1; | |
1e8a024a | 2888 | symvalue value = -1; |
3af9a47b NC |
2889 | unsigned long stroff = -1; |
2890 | unsigned int symtype = -1; | |
2891 | ||
2892 | BFD_ASSERT (sym->strtab != NULL); | |
2893 | ||
c2f09c75 | 2894 | if (bfd_seek (abfd, symoff, SEEK_SET) != 0 |
46d1c23b | 2895 | || bfd_bread (&raw, symwidth, abfd) != symwidth) |
3af9a47b | 2896 | { |
46d1c23b TG |
2897 | (*_bfd_error_handler) |
2898 | (_("bfd_mach_o_read_symtab_symbol: unable to read %d bytes at %lu"), | |
2899 | symwidth, (unsigned long) symoff); | |
afbb9e17 | 2900 | return FALSE; |
3af9a47b NC |
2901 | } |
2902 | ||
46d1c23b TG |
2903 | stroff = bfd_h_get_32 (abfd, raw.n_strx); |
2904 | type = bfd_h_get_8 (abfd, raw.n_type); | |
c2f09c75 | 2905 | symtype = type & BFD_MACH_O_N_TYPE; |
46d1c23b TG |
2906 | section = bfd_h_get_8 (abfd, raw.n_sect); |
2907 | desc = bfd_h_get_16 (abfd, raw.n_desc); | |
1e8a024a | 2908 | if (wide) |
46d1c23b | 2909 | value = bfd_h_get_64 (abfd, raw.n_value); |
1e8a024a | 2910 | else |
46d1c23b | 2911 | value = bfd_h_get_32 (abfd, raw.n_value); |
3af9a47b NC |
2912 | |
2913 | if (stroff >= sym->strsize) | |
2914 | { | |
46d1c23b TG |
2915 | (*_bfd_error_handler) |
2916 | (_("bfd_mach_o_read_symtab_symbol: name out of range (%lu >= %lu)"), | |
2917 | (unsigned long) stroff, | |
2918 | (unsigned long) sym->strsize); | |
afbb9e17 | 2919 | return FALSE; |
3af9a47b NC |
2920 | } |
2921 | ||
92bc0e80 TG |
2922 | s->symbol.the_bfd = abfd; |
2923 | s->symbol.name = sym->strtab + stroff; | |
2924 | s->symbol.value = value; | |
2925 | s->symbol.flags = 0x0; | |
b22161d6 | 2926 | s->symbol.udata.i = i; |
92bc0e80 TG |
2927 | s->n_type = type; |
2928 | s->n_sect = section; | |
2929 | s->n_desc = desc; | |
3af9a47b NC |
2930 | |
2931 | if (type & BFD_MACH_O_N_STAB) | |
2932 | { | |
92bc0e80 TG |
2933 | s->symbol.flags |= BSF_DEBUGGING; |
2934 | s->symbol.section = bfd_und_section_ptr; | |
15e1c58a TG |
2935 | switch (type) |
2936 | { | |
2937 | case N_FUN: | |
2938 | case N_STSYM: | |
2939 | case N_LCSYM: | |
2940 | case N_BNSYM: | |
2941 | case N_SLINE: | |
2942 | case N_ENSYM: | |
2943 | case N_ECOMM: | |
2944 | case N_ECOML: | |
2945 | case N_GSYM: | |
2946 | if ((section > 0) && (section <= mdata->nsects)) | |
2947 | { | |
92bc0e80 TG |
2948 | s->symbol.section = mdata->sections[section - 1]->bfdsection; |
2949 | s->symbol.value = | |
2950 | s->symbol.value - mdata->sections[section - 1]->addr; | |
15e1c58a TG |
2951 | } |
2952 | break; | |
2953 | } | |
3af9a47b NC |
2954 | } |
2955 | else | |
2956 | { | |
b22161d6 | 2957 | if (type & (BFD_MACH_O_N_PEXT | BFD_MACH_O_N_EXT)) |
92bc0e80 | 2958 | s->symbol.flags |= BSF_GLOBAL; |
b22161d6 | 2959 | else |
92bc0e80 | 2960 | s->symbol.flags |= BSF_LOCAL; |
3af9a47b NC |
2961 | |
2962 | switch (symtype) | |
2963 | { | |
2964 | case BFD_MACH_O_N_UNDF: | |
c2f09c75 | 2965 | if (type == (BFD_MACH_O_N_UNDF | BFD_MACH_O_N_EXT) |
92bc0e80 | 2966 | && s->symbol.value != 0) |
c2f09c75 TG |
2967 | { |
2968 | /* A common symbol. */ | |
92bc0e80 TG |
2969 | s->symbol.section = bfd_com_section_ptr; |
2970 | s->symbol.flags = BSF_NO_FLAGS; | |
c2f09c75 TG |
2971 | } |
2972 | else | |
92bc0e80 TG |
2973 | { |
2974 | s->symbol.section = bfd_und_section_ptr; | |
2975 | if (s->n_desc & BFD_MACH_O_N_WEAK_REF) | |
2976 | s->symbol.flags |= BSF_WEAK; | |
2977 | } | |
3af9a47b NC |
2978 | break; |
2979 | case BFD_MACH_O_N_PBUD: | |
92bc0e80 | 2980 | s->symbol.section = bfd_und_section_ptr; |
3af9a47b NC |
2981 | break; |
2982 | case BFD_MACH_O_N_ABS: | |
92bc0e80 | 2983 | s->symbol.section = bfd_abs_section_ptr; |
3af9a47b NC |
2984 | break; |
2985 | case BFD_MACH_O_N_SECT: | |
2986 | if ((section > 0) && (section <= mdata->nsects)) | |
2987 | { | |
92bc0e80 TG |
2988 | s->symbol.section = mdata->sections[section - 1]->bfdsection; |
2989 | s->symbol.value = | |
2990 | s->symbol.value - mdata->sections[section - 1]->addr; | |
3af9a47b NC |
2991 | } |
2992 | else | |
2993 | { | |
2994 | /* Mach-O uses 0 to mean "no section"; not an error. */ | |
2995 | if (section != 0) | |
2996 | { | |
4a97a0e5 AM |
2997 | (*_bfd_error_handler) (_("bfd_mach_o_read_symtab_symbol: " |
2998 | "symbol \"%s\" specified invalid section %d (max %lu): setting to undefined"), | |
2999 | s->symbol.name, section, mdata->nsects); | |
3af9a47b | 3000 | } |
92bc0e80 | 3001 | s->symbol.section = bfd_und_section_ptr; |
3af9a47b NC |
3002 | } |
3003 | break; | |
3004 | case BFD_MACH_O_N_INDR: | |
0596a831 TG |
3005 | /* FIXME: we don't follow the BFD convention as this indirect symbol |
3006 | won't be followed by the referenced one. This looks harmless | |
3007 | unless we start using the linker. */ | |
3008 | s->symbol.flags |= BSF_INDIRECT; | |
3009 | s->symbol.section = bfd_ind_section_ptr; | |
3010 | s->symbol.value = 0; | |
3af9a47b NC |
3011 | break; |
3012 | default: | |
4a97a0e5 AM |
3013 | (*_bfd_error_handler) (_("bfd_mach_o_read_symtab_symbol: " |
3014 | "symbol \"%s\" specified invalid type field 0x%x: setting to undefined"), | |
3015 | s->symbol.name, symtype); | |
92bc0e80 | 3016 | s->symbol.section = bfd_und_section_ptr; |
3af9a47b NC |
3017 | break; |
3018 | } | |
3019 | } | |
3020 | ||
afbb9e17 | 3021 | return TRUE; |
3af9a47b NC |
3022 | } |
3023 | ||
c5012cd8 | 3024 | bfd_boolean |
ab273af8 | 3025 | bfd_mach_o_read_symtab_strtab (bfd *abfd) |
3af9a47b | 3026 | { |
046b007d TG |
3027 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
3028 | bfd_mach_o_symtab_command *sym = mdata->symtab; | |
3029 | ||
3030 | /* Fail if there is no symtab. */ | |
3031 | if (sym == NULL) | |
afbb9e17 | 3032 | return FALSE; |
046b007d TG |
3033 | |
3034 | /* Success if already loaded. */ | |
3035 | if (sym->strtab) | |
afbb9e17 | 3036 | return TRUE; |
3af9a47b NC |
3037 | |
3038 | if (abfd->flags & BFD_IN_MEMORY) | |
3039 | { | |
3040 | struct bfd_in_memory *b; | |
3041 | ||
3042 | b = (struct bfd_in_memory *) abfd->iostream; | |
3043 | ||
3044 | if ((sym->stroff + sym->strsize) > b->size) | |
3045 | { | |
3046 | bfd_set_error (bfd_error_file_truncated); | |
afbb9e17 | 3047 | return FALSE; |
3af9a47b | 3048 | } |
f075ee0c | 3049 | sym->strtab = (char *) b->buffer + sym->stroff; |
3af9a47b | 3050 | } |
046b007d | 3051 | else |
3af9a47b | 3052 | { |
046b007d TG |
3053 | sym->strtab = bfd_alloc (abfd, sym->strsize); |
3054 | if (sym->strtab == NULL) | |
afbb9e17 | 3055 | return FALSE; |
046b007d TG |
3056 | |
3057 | if (bfd_seek (abfd, sym->stroff, SEEK_SET) != 0 | |
afbb9e17 | 3058 | || bfd_bread (sym->strtab, sym->strsize, abfd) != sym->strsize) |
046b007d TG |
3059 | { |
3060 | bfd_set_error (bfd_error_file_truncated); | |
afbb9e17 | 3061 | return FALSE; |
046b007d | 3062 | } |
3af9a47b NC |
3063 | } |
3064 | ||
afbb9e17 | 3065 | return TRUE; |
3af9a47b NC |
3066 | } |
3067 | ||
c5012cd8 | 3068 | bfd_boolean |
ab273af8 | 3069 | bfd_mach_o_read_symtab_symbols (bfd *abfd) |
3af9a47b | 3070 | { |
046b007d TG |
3071 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
3072 | bfd_mach_o_symtab_command *sym = mdata->symtab; | |
3af9a47b | 3073 | unsigned long i; |
3af9a47b | 3074 | |
092d27ff TG |
3075 | if (sym == NULL || sym->symbols) |
3076 | { | |
3077 | /* Return now if there are no symbols or if already loaded. */ | |
afbb9e17 | 3078 | return TRUE; |
092d27ff | 3079 | } |
046b007d | 3080 | |
92bc0e80 | 3081 | sym->symbols = bfd_alloc (abfd, sym->nsyms * sizeof (bfd_mach_o_asymbol)); |
3af9a47b NC |
3082 | |
3083 | if (sym->symbols == NULL) | |
3084 | { | |
4a97a0e5 | 3085 | (*_bfd_error_handler) (_("bfd_mach_o_read_symtab_symbols: unable to allocate memory for symbols")); |
afbb9e17 | 3086 | return FALSE; |
3af9a47b | 3087 | } |
a95a4550 | 3088 | |
afbb9e17 TG |
3089 | if (!bfd_mach_o_read_symtab_strtab (abfd)) |
3090 | return FALSE; | |
3af9a47b NC |
3091 | |
3092 | for (i = 0; i < sym->nsyms; i++) | |
3093 | { | |
afbb9e17 TG |
3094 | if (!bfd_mach_o_read_symtab_symbol (abfd, sym, &sym->symbols[i], i)) |
3095 | return FALSE; | |
3af9a47b | 3096 | } |
a95a4550 | 3097 | |
afbb9e17 | 3098 | return TRUE; |
3af9a47b NC |
3099 | } |
3100 | ||
3101 | static const char * | |
116c20d2 | 3102 | bfd_mach_o_i386_flavour_string (unsigned int flavour) |
3af9a47b NC |
3103 | { |
3104 | switch ((int) flavour) | |
3105 | { | |
15e1c58a TG |
3106 | case BFD_MACH_O_x86_THREAD_STATE32: return "x86_THREAD_STATE32"; |
3107 | case BFD_MACH_O_x86_FLOAT_STATE32: return "x86_FLOAT_STATE32"; | |
3108 | case BFD_MACH_O_x86_EXCEPTION_STATE32: return "x86_EXCEPTION_STATE32"; | |
3109 | case BFD_MACH_O_x86_THREAD_STATE64: return "x86_THREAD_STATE64"; | |
3110 | case BFD_MACH_O_x86_FLOAT_STATE64: return "x86_FLOAT_STATE64"; | |
3111 | case BFD_MACH_O_x86_EXCEPTION_STATE64: return "x86_EXCEPTION_STATE64"; | |
3112 | case BFD_MACH_O_x86_THREAD_STATE: return "x86_THREAD_STATE"; | |
3113 | case BFD_MACH_O_x86_FLOAT_STATE: return "x86_FLOAT_STATE"; | |
3114 | case BFD_MACH_O_x86_EXCEPTION_STATE: return "x86_EXCEPTION_STATE"; | |
3115 | case BFD_MACH_O_x86_DEBUG_STATE32: return "x86_DEBUG_STATE32"; | |
3116 | case BFD_MACH_O_x86_DEBUG_STATE64: return "x86_DEBUG_STATE64"; | |
3117 | case BFD_MACH_O_x86_DEBUG_STATE: return "x86_DEBUG_STATE"; | |
b32e07d7 | 3118 | case BFD_MACH_O_x86_THREAD_STATE_NONE: return "x86_THREAD_STATE_NONE"; |
3af9a47b NC |
3119 | default: return "UNKNOWN"; |
3120 | } | |
3121 | } | |
3122 | ||
3123 | static const char * | |
116c20d2 | 3124 | bfd_mach_o_ppc_flavour_string (unsigned int flavour) |
3af9a47b NC |
3125 | { |
3126 | switch ((int) flavour) | |
3127 | { | |
b32e07d7 TG |
3128 | case BFD_MACH_O_PPC_THREAD_STATE: return "PPC_THREAD_STATE"; |
3129 | case BFD_MACH_O_PPC_FLOAT_STATE: return "PPC_FLOAT_STATE"; | |
3130 | case BFD_MACH_O_PPC_EXCEPTION_STATE: return "PPC_EXCEPTION_STATE"; | |
3131 | case BFD_MACH_O_PPC_VECTOR_STATE: return "PPC_VECTOR_STATE"; | |
3132 | case BFD_MACH_O_PPC_THREAD_STATE64: return "PPC_THREAD_STATE64"; | |
3133 | case BFD_MACH_O_PPC_EXCEPTION_STATE64: return "PPC_EXCEPTION_STATE64"; | |
3af9a47b NC |
3134 | default: return "UNKNOWN"; |
3135 | } | |
3136 | } | |
3137 | ||
3138 | static int | |
ab273af8 | 3139 | bfd_mach_o_read_dylinker (bfd *abfd, bfd_mach_o_load_command *command) |
3af9a47b NC |
3140 | { |
3141 | bfd_mach_o_dylinker_command *cmd = &command->command.dylinker; | |
46d1c23b | 3142 | struct mach_o_str_command_external raw; |
3af9a47b | 3143 | unsigned int nameoff; |
3af9a47b NC |
3144 | |
3145 | BFD_ASSERT ((command->type == BFD_MACH_O_LC_ID_DYLINKER) | |
3146 | || (command->type == BFD_MACH_O_LC_LOAD_DYLINKER)); | |
3147 | ||
46d1c23b TG |
3148 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 |
3149 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
3af9a47b NC |
3150 | return -1; |
3151 | ||
46d1c23b | 3152 | nameoff = bfd_h_get_32 (abfd, raw.str); |
3af9a47b NC |
3153 | |
3154 | cmd->name_offset = command->offset + nameoff; | |
3155 | cmd->name_len = command->len - nameoff; | |
b32e07d7 TG |
3156 | cmd->name_str = bfd_alloc (abfd, cmd->name_len); |
3157 | if (cmd->name_str == NULL) | |
3af9a47b | 3158 | return -1; |
b32e07d7 TG |
3159 | if (bfd_seek (abfd, cmd->name_offset, SEEK_SET) != 0 |
3160 | || bfd_bread (cmd->name_str, cmd->name_len, abfd) != cmd->name_len) | |
3af9a47b | 3161 | return -1; |
3af9a47b NC |
3162 | return 0; |
3163 | } | |
3164 | ||
3165 | static int | |
ab273af8 | 3166 | bfd_mach_o_read_dylib (bfd *abfd, bfd_mach_o_load_command *command) |
3af9a47b NC |
3167 | { |
3168 | bfd_mach_o_dylib_command *cmd = &command->command.dylib; | |
46d1c23b | 3169 | struct mach_o_dylib_command_external raw; |
3af9a47b | 3170 | unsigned int nameoff; |
3af9a47b | 3171 | |
046b007d TG |
3172 | switch (command->type) |
3173 | { | |
3174 | case BFD_MACH_O_LC_LOAD_DYLIB: | |
046b007d | 3175 | case BFD_MACH_O_LC_LOAD_WEAK_DYLIB: |
046b007d | 3176 | case BFD_MACH_O_LC_ID_DYLIB: |
046b007d | 3177 | case BFD_MACH_O_LC_REEXPORT_DYLIB: |
73017762 | 3178 | case BFD_MACH_O_LC_LOAD_UPWARD_DYLIB: |
046b007d TG |
3179 | break; |
3180 | default: | |
b32e07d7 TG |
3181 | BFD_FAIL (); |
3182 | return -1; | |
046b007d | 3183 | } |
3af9a47b | 3184 | |
46d1c23b TG |
3185 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 |
3186 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
3af9a47b NC |
3187 | return -1; |
3188 | ||
46d1c23b TG |
3189 | nameoff = bfd_h_get_32 (abfd, raw.name); |
3190 | cmd->timestamp = bfd_h_get_32 (abfd, raw.timestamp); | |
3191 | cmd->current_version = bfd_h_get_32 (abfd, raw.current_version); | |
3192 | cmd->compatibility_version = bfd_h_get_32 (abfd, raw.compatibility_version); | |
3af9a47b NC |
3193 | |
3194 | cmd->name_offset = command->offset + nameoff; | |
3195 | cmd->name_len = command->len - nameoff; | |
b32e07d7 TG |
3196 | cmd->name_str = bfd_alloc (abfd, cmd->name_len); |
3197 | if (cmd->name_str == NULL) | |
3af9a47b | 3198 | return -1; |
b32e07d7 TG |
3199 | if (bfd_seek (abfd, cmd->name_offset, SEEK_SET) != 0 |
3200 | || bfd_bread (cmd->name_str, cmd->name_len, abfd) != cmd->name_len) | |
3af9a47b | 3201 | return -1; |
3af9a47b NC |
3202 | return 0; |
3203 | } | |
3204 | ||
3205 | static int | |
ab273af8 TG |
3206 | bfd_mach_o_read_prebound_dylib (bfd *abfd ATTRIBUTE_UNUSED, |
3207 | bfd_mach_o_load_command *command ATTRIBUTE_UNUSED) | |
3af9a47b NC |
3208 | { |
3209 | /* bfd_mach_o_prebound_dylib_command *cmd = &command->command.prebound_dylib; */ | |
3210 | ||
3211 | BFD_ASSERT (command->type == BFD_MACH_O_LC_PREBOUND_DYLIB); | |
3212 | return 0; | |
3213 | } | |
3214 | ||
9f4a5bd1 TG |
3215 | static int |
3216 | bfd_mach_o_read_fvmlib (bfd *abfd, bfd_mach_o_load_command *command) | |
3217 | { | |
3218 | bfd_mach_o_fvmlib_command *fvm = &command->command.fvmlib; | |
3219 | struct mach_o_fvmlib_command_external raw; | |
3220 | unsigned int nameoff; | |
3221 | ||
3222 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 | |
3223 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
3224 | return -1; | |
3225 | ||
3226 | nameoff = bfd_h_get_32 (abfd, raw.name); | |
3227 | fvm->minor_version = bfd_h_get_32 (abfd, raw.minor_version); | |
3228 | fvm->header_addr = bfd_h_get_32 (abfd, raw.header_addr); | |
3229 | ||
3230 | fvm->name_offset = command->offset + nameoff; | |
3231 | fvm->name_len = command->len - nameoff; | |
3232 | fvm->name_str = bfd_alloc (abfd, fvm->name_len); | |
3233 | if (fvm->name_str == NULL) | |
3234 | return -1; | |
3235 | if (bfd_seek (abfd, fvm->name_offset, SEEK_SET) != 0 | |
3236 | || bfd_bread (fvm->name_str, fvm->name_len, abfd) != fvm->name_len) | |
3237 | return -1; | |
3238 | return 0; | |
3239 | } | |
3240 | ||
3af9a47b | 3241 | static int |
ab273af8 | 3242 | bfd_mach_o_read_thread (bfd *abfd, bfd_mach_o_load_command *command) |
3af9a47b | 3243 | { |
b32e07d7 | 3244 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
3af9a47b | 3245 | bfd_mach_o_thread_command *cmd = &command->command.thread; |
92bc0e80 | 3246 | unsigned int offset; |
3af9a47b NC |
3247 | unsigned int nflavours; |
3248 | unsigned int i; | |
3249 | ||
3250 | BFD_ASSERT ((command->type == BFD_MACH_O_LC_THREAD) | |
3251 | || (command->type == BFD_MACH_O_LC_UNIXTHREAD)); | |
3252 | ||
b32e07d7 | 3253 | /* Count the number of threads. */ |
3af9a47b NC |
3254 | offset = 8; |
3255 | nflavours = 0; | |
3256 | while (offset != command->len) | |
3257 | { | |
46d1c23b TG |
3258 | struct mach_o_thread_command_external raw; |
3259 | ||
3af9a47b NC |
3260 | if (offset >= command->len) |
3261 | return -1; | |
3262 | ||
c2f09c75 | 3263 | if (bfd_seek (abfd, command->offset + offset, SEEK_SET) != 0 |
46d1c23b | 3264 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) |
3af9a47b NC |
3265 | return -1; |
3266 | ||
46d1c23b | 3267 | offset += sizeof (raw) + bfd_h_get_32 (abfd, raw.count) * 4; |
3af9a47b NC |
3268 | nflavours++; |
3269 | } | |
3270 | ||
b32e07d7 TG |
3271 | /* Allocate threads. */ |
3272 | cmd->flavours = bfd_alloc | |
3273 | (abfd, nflavours * sizeof (bfd_mach_o_thread_flavour)); | |
3af9a47b NC |
3274 | if (cmd->flavours == NULL) |
3275 | return -1; | |
3276 | cmd->nflavours = nflavours; | |
3277 | ||
3278 | offset = 8; | |
3279 | nflavours = 0; | |
3280 | while (offset != command->len) | |
3281 | { | |
46d1c23b TG |
3282 | struct mach_o_thread_command_external raw; |
3283 | ||
3af9a47b NC |
3284 | if (offset >= command->len) |
3285 | return -1; | |
3286 | ||
3287 | if (nflavours >= cmd->nflavours) | |
3288 | return -1; | |
3289 | ||
c2f09c75 | 3290 | if (bfd_seek (abfd, command->offset + offset, SEEK_SET) != 0 |
46d1c23b | 3291 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) |
3af9a47b NC |
3292 | return -1; |
3293 | ||
46d1c23b TG |
3294 | cmd->flavours[nflavours].flavour = bfd_h_get_32 (abfd, raw.flavour); |
3295 | cmd->flavours[nflavours].offset = command->offset + offset + sizeof (raw); | |
3296 | cmd->flavours[nflavours].size = bfd_h_get_32 (abfd, raw.count) * 4; | |
3297 | offset += cmd->flavours[nflavours].size + sizeof (raw); | |
3af9a47b NC |
3298 | nflavours++; |
3299 | } | |
3300 | ||
3301 | for (i = 0; i < nflavours; i++) | |
3302 | { | |
3303 | asection *bfdsec; | |
3304 | unsigned int snamelen; | |
3305 | char *sname; | |
3306 | const char *flavourstr; | |
3307 | const char *prefix = "LC_THREAD"; | |
a95a4550 AM |
3308 | unsigned int j = 0; |
3309 | ||
3af9a47b NC |
3310 | switch (mdata->header.cputype) |
3311 | { | |
3312 | case BFD_MACH_O_CPU_TYPE_POWERPC: | |
1e8a024a | 3313 | case BFD_MACH_O_CPU_TYPE_POWERPC_64: |
3af9a47b NC |
3314 | flavourstr = bfd_mach_o_ppc_flavour_string (cmd->flavours[i].flavour); |
3315 | break; | |
3316 | case BFD_MACH_O_CPU_TYPE_I386: | |
1e8a024a | 3317 | case BFD_MACH_O_CPU_TYPE_X86_64: |
3af9a47b NC |
3318 | flavourstr = bfd_mach_o_i386_flavour_string (cmd->flavours[i].flavour); |
3319 | break; | |
3320 | default: | |
3321 | flavourstr = "UNKNOWN_ARCHITECTURE"; | |
3322 | break; | |
3323 | } | |
a95a4550 | 3324 | |
3af9a47b | 3325 | snamelen = strlen (prefix) + 1 + 20 + 1 + strlen (flavourstr) + 1; |
116c20d2 | 3326 | sname = bfd_alloc (abfd, snamelen); |
3af9a47b NC |
3327 | if (sname == NULL) |
3328 | return -1; | |
3329 | ||
3330 | for (;;) | |
3331 | { | |
a95a4550 AM |
3332 | sprintf (sname, "%s.%s.%u", prefix, flavourstr, j); |
3333 | if (bfd_get_section_by_name (abfd, sname) == NULL) | |
3af9a47b | 3334 | break; |
a95a4550 | 3335 | j++; |
3af9a47b NC |
3336 | } |
3337 | ||
117ed4f8 | 3338 | bfdsec = bfd_make_section_with_flags (abfd, sname, SEC_HAS_CONTENTS); |
a95a4550 | 3339 | |
3af9a47b NC |
3340 | bfdsec->vma = 0; |
3341 | bfdsec->lma = 0; | |
eea6121a | 3342 | bfdsec->size = cmd->flavours[i].size; |
3af9a47b NC |
3343 | bfdsec->filepos = cmd->flavours[i].offset; |
3344 | bfdsec->alignment_power = 0x0; | |
3af9a47b NC |
3345 | |
3346 | cmd->section = bfdsec; | |
3347 | } | |
3348 | ||
3349 | return 0; | |
3350 | } | |
3351 | ||
a95a4550 | 3352 | static int |
ab273af8 | 3353 | bfd_mach_o_read_dysymtab (bfd *abfd, bfd_mach_o_load_command *command) |
3af9a47b | 3354 | { |
046b007d | 3355 | bfd_mach_o_dysymtab_command *cmd = &command->command.dysymtab; |
b32e07d7 | 3356 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
3af9a47b NC |
3357 | |
3358 | BFD_ASSERT (command->type == BFD_MACH_O_LC_DYSYMTAB); | |
3359 | ||
46d1c23b TG |
3360 | { |
3361 | struct mach_o_dysymtab_command_external raw; | |
3362 | ||
3363 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 | |
3364 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
3365 | return -1; | |
3af9a47b | 3366 | |
46d1c23b TG |
3367 | cmd->ilocalsym = bfd_h_get_32 (abfd, raw.ilocalsym); |
3368 | cmd->nlocalsym = bfd_h_get_32 (abfd, raw.nlocalsym); | |
3369 | cmd->iextdefsym = bfd_h_get_32 (abfd, raw.iextdefsym); | |
3370 | cmd->nextdefsym = bfd_h_get_32 (abfd, raw.nextdefsym); | |
3371 | cmd->iundefsym = bfd_h_get_32 (abfd, raw.iundefsym); | |
3372 | cmd->nundefsym = bfd_h_get_32 (abfd, raw.nundefsym); | |
3373 | cmd->tocoff = bfd_h_get_32 (abfd, raw.tocoff); | |
3374 | cmd->ntoc = bfd_h_get_32 (abfd, raw.ntoc); | |
3375 | cmd->modtaboff = bfd_h_get_32 (abfd, raw.modtaboff); | |
3376 | cmd->nmodtab = bfd_h_get_32 (abfd, raw.nmodtab); | |
3377 | cmd->extrefsymoff = bfd_h_get_32 (abfd, raw.extrefsymoff); | |
3378 | cmd->nextrefsyms = bfd_h_get_32 (abfd, raw.nextrefsyms); | |
3379 | cmd->indirectsymoff = bfd_h_get_32 (abfd, raw.indirectsymoff); | |
3380 | cmd->nindirectsyms = bfd_h_get_32 (abfd, raw.nindirectsyms); | |
3381 | cmd->extreloff = bfd_h_get_32 (abfd, raw.extreloff); | |
3382 | cmd->nextrel = bfd_h_get_32 (abfd, raw.nextrel); | |
3383 | cmd->locreloff = bfd_h_get_32 (abfd, raw.locreloff); | |
3384 | cmd->nlocrel = bfd_h_get_32 (abfd, raw.nlocrel); | |
3385 | } | |
046b007d TG |
3386 | |
3387 | if (cmd->nmodtab != 0) | |
3388 | { | |
046b007d TG |
3389 | unsigned int i; |
3390 | int wide = bfd_mach_o_wide_p (abfd); | |
3391 | unsigned int module_len = wide ? 56 : 52; | |
3392 | ||
3393 | cmd->dylib_module = | |
3394 | bfd_alloc (abfd, cmd->nmodtab * sizeof (bfd_mach_o_dylib_module)); | |
3395 | if (cmd->dylib_module == NULL) | |
3396 | return -1; | |
3397 | ||
3398 | if (bfd_seek (abfd, cmd->modtaboff, SEEK_SET) != 0) | |
3399 | return -1; | |
3400 | ||
3401 | for (i = 0; i < cmd->nmodtab; i++) | |
3402 | { | |
3403 | bfd_mach_o_dylib_module *module = &cmd->dylib_module[i]; | |
3404 | unsigned long v; | |
46d1c23b | 3405 | unsigned char buf[56]; |
046b007d | 3406 | |
91d6fa6a | 3407 | if (bfd_bread ((void *) buf, module_len, abfd) != module_len) |
046b007d TG |
3408 | return -1; |
3409 | ||
3410 | module->module_name_idx = bfd_h_get_32 (abfd, buf + 0); | |
3411 | module->iextdefsym = bfd_h_get_32 (abfd, buf + 4); | |
3412 | module->nextdefsym = bfd_h_get_32 (abfd, buf + 8); | |
3413 | module->irefsym = bfd_h_get_32 (abfd, buf + 12); | |
3414 | module->nrefsym = bfd_h_get_32 (abfd, buf + 16); | |
3415 | module->ilocalsym = bfd_h_get_32 (abfd, buf + 20); | |
3416 | module->nlocalsym = bfd_h_get_32 (abfd, buf + 24); | |
3417 | module->iextrel = bfd_h_get_32 (abfd, buf + 28); | |
3418 | module->nextrel = bfd_h_get_32 (abfd, buf + 32); | |
3419 | v = bfd_h_get_32 (abfd, buf +36); | |
3420 | module->iinit = v & 0xffff; | |
3421 | module->iterm = (v >> 16) & 0xffff; | |
3422 | v = bfd_h_get_32 (abfd, buf + 40); | |
3423 | module->ninit = v & 0xffff; | |
3424 | module->nterm = (v >> 16) & 0xffff; | |
3425 | if (wide) | |
3426 | { | |
3427 | module->objc_module_info_size = bfd_h_get_32 (abfd, buf + 44); | |
3428 | module->objc_module_info_addr = bfd_h_get_64 (abfd, buf + 48); | |
3429 | } | |
3430 | else | |
3431 | { | |
3432 | module->objc_module_info_addr = bfd_h_get_32 (abfd, buf + 44); | |
3433 | module->objc_module_info_size = bfd_h_get_32 (abfd, buf + 48); | |
3434 | } | |
3435 | } | |
3436 | } | |
afbb9e17 | 3437 | |
046b007d TG |
3438 | if (cmd->ntoc != 0) |
3439 | { | |
046b007d TG |
3440 | unsigned int i; |
3441 | ||
3442 | cmd->dylib_toc = bfd_alloc | |
3443 | (abfd, cmd->ntoc * sizeof (bfd_mach_o_dylib_table_of_content)); | |
3444 | if (cmd->dylib_toc == NULL) | |
3445 | return -1; | |
3446 | ||
3447 | if (bfd_seek (abfd, cmd->tocoff, SEEK_SET) != 0) | |
3448 | return -1; | |
3449 | ||
3450 | for (i = 0; i < cmd->ntoc; i++) | |
3451 | { | |
46d1c23b | 3452 | struct mach_o_dylib_table_of_contents_external raw; |
046b007d TG |
3453 | bfd_mach_o_dylib_table_of_content *toc = &cmd->dylib_toc[i]; |
3454 | ||
46d1c23b | 3455 | if (bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) |
046b007d TG |
3456 | return -1; |
3457 | ||
46d1c23b TG |
3458 | toc->symbol_index = bfd_h_get_32 (abfd, raw.symbol_index); |
3459 | toc->module_index = bfd_h_get_32 (abfd, raw.module_index); | |
046b007d TG |
3460 | } |
3461 | } | |
3462 | ||
3463 | if (cmd->nindirectsyms != 0) | |
3464 | { | |
046b007d TG |
3465 | unsigned int i; |
3466 | ||
3467 | cmd->indirect_syms = bfd_alloc | |
3468 | (abfd, cmd->nindirectsyms * sizeof (unsigned int)); | |
3469 | if (cmd->indirect_syms == NULL) | |
3470 | return -1; | |
3471 | ||
3472 | if (bfd_seek (abfd, cmd->indirectsymoff, SEEK_SET) != 0) | |
3473 | return -1; | |
3474 | ||
3475 | for (i = 0; i < cmd->nindirectsyms; i++) | |
3476 | { | |
46d1c23b | 3477 | unsigned char raw[4]; |
046b007d TG |
3478 | unsigned int *is = &cmd->indirect_syms[i]; |
3479 | ||
46d1c23b | 3480 | if (bfd_bread (raw, sizeof (raw), abfd) != sizeof (raw)) |
046b007d TG |
3481 | return -1; |
3482 | ||
46d1c23b | 3483 | *is = bfd_h_get_32 (abfd, raw); |
046b007d TG |
3484 | } |
3485 | } | |
3486 | ||
3487 | if (cmd->nextrefsyms != 0) | |
3488 | { | |
046b007d TG |
3489 | unsigned long v; |
3490 | unsigned int i; | |
3491 | ||
3492 | cmd->ext_refs = bfd_alloc | |
3493 | (abfd, cmd->nextrefsyms * sizeof (bfd_mach_o_dylib_reference)); | |
3494 | if (cmd->ext_refs == NULL) | |
3495 | return -1; | |
3496 | ||
3497 | if (bfd_seek (abfd, cmd->extrefsymoff, SEEK_SET) != 0) | |
3498 | return -1; | |
3499 | ||
3500 | for (i = 0; i < cmd->nextrefsyms; i++) | |
3501 | { | |
46d1c23b | 3502 | unsigned char raw[4]; |
046b007d TG |
3503 | bfd_mach_o_dylib_reference *ref = &cmd->ext_refs[i]; |
3504 | ||
46d1c23b | 3505 | if (bfd_bread (raw, sizeof (raw), abfd) != sizeof (raw)) |
046b007d TG |
3506 | return -1; |
3507 | ||
b32e07d7 TG |
3508 | /* Fields isym and flags are written as bit-fields, thus we need |
3509 | a specific processing for endianness. */ | |
46d1c23b | 3510 | v = bfd_h_get_32 (abfd, raw); |
b32e07d7 TG |
3511 | if (bfd_big_endian (abfd)) |
3512 | { | |
3513 | ref->isym = (v >> 8) & 0xffffff; | |
3514 | ref->flags = v & 0xff; | |
3515 | } | |
3516 | else | |
3517 | { | |
3518 | ref->isym = v & 0xffffff; | |
3519 | ref->flags = (v >> 24) & 0xff; | |
3520 | } | |
046b007d TG |
3521 | } |
3522 | } | |
3af9a47b | 3523 | |
b32e07d7 TG |
3524 | if (mdata->dysymtab) |
3525 | return -1; | |
3526 | mdata->dysymtab = cmd; | |
3527 | ||
3af9a47b NC |
3528 | return 0; |
3529 | } | |
3530 | ||
a95a4550 | 3531 | static int |
ab273af8 | 3532 | bfd_mach_o_read_symtab (bfd *abfd, bfd_mach_o_load_command *command) |
3af9a47b | 3533 | { |
046b007d TG |
3534 | bfd_mach_o_symtab_command *symtab = &command->command.symtab; |
3535 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
46d1c23b | 3536 | struct mach_o_symtab_command_external raw; |
3af9a47b NC |
3537 | |
3538 | BFD_ASSERT (command->type == BFD_MACH_O_LC_SYMTAB); | |
3539 | ||
46d1c23b TG |
3540 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 |
3541 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
3af9a47b | 3542 | return -1; |
a95a4550 | 3543 | |
46d1c23b TG |
3544 | symtab->symoff = bfd_h_get_32 (abfd, raw.symoff); |
3545 | symtab->nsyms = bfd_h_get_32 (abfd, raw.nsyms); | |
3546 | symtab->stroff = bfd_h_get_32 (abfd, raw.stroff); | |
3547 | symtab->strsize = bfd_h_get_32 (abfd, raw.strsize); | |
046b007d TG |
3548 | symtab->symbols = NULL; |
3549 | symtab->strtab = NULL; | |
3af9a47b | 3550 | |
046b007d | 3551 | if (symtab->nsyms != 0) |
15e1c58a TG |
3552 | abfd->flags |= HAS_SYMS; |
3553 | ||
046b007d TG |
3554 | if (mdata->symtab) |
3555 | return -1; | |
3556 | mdata->symtab = symtab; | |
3af9a47b NC |
3557 | return 0; |
3558 | } | |
3559 | ||
15e1c58a | 3560 | static int |
ab273af8 | 3561 | bfd_mach_o_read_uuid (bfd *abfd, bfd_mach_o_load_command *command) |
15e1c58a TG |
3562 | { |
3563 | bfd_mach_o_uuid_command *cmd = &command->command.uuid; | |
15e1c58a TG |
3564 | |
3565 | BFD_ASSERT (command->type == BFD_MACH_O_LC_UUID); | |
3566 | ||
46d1c23b TG |
3567 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 |
3568 | || bfd_bread (cmd->uuid, 16, abfd) != 16) | |
15e1c58a TG |
3569 | return -1; |
3570 | ||
15e1c58a TG |
3571 | return 0; |
3572 | } | |
3573 | ||
046b007d | 3574 | static int |
ab273af8 | 3575 | bfd_mach_o_read_linkedit (bfd *abfd, bfd_mach_o_load_command *command) |
046b007d TG |
3576 | { |
3577 | bfd_mach_o_linkedit_command *cmd = &command->command.linkedit; | |
46d1c23b | 3578 | struct mach_o_linkedit_data_command_external raw; |
046b007d | 3579 | |
46d1c23b TG |
3580 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 |
3581 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
046b007d TG |
3582 | return -1; |
3583 | ||
46d1c23b TG |
3584 | cmd->dataoff = bfd_get_32 (abfd, raw.dataoff); |
3585 | cmd->datasize = bfd_get_32 (abfd, raw.datasize); | |
046b007d TG |
3586 | return 0; |
3587 | } | |
3588 | ||
3589 | static int | |
ab273af8 | 3590 | bfd_mach_o_read_str (bfd *abfd, bfd_mach_o_load_command *command) |
046b007d TG |
3591 | { |
3592 | bfd_mach_o_str_command *cmd = &command->command.str; | |
46d1c23b | 3593 | struct mach_o_str_command_external raw; |
046b007d TG |
3594 | unsigned long off; |
3595 | ||
46d1c23b TG |
3596 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 |
3597 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
046b007d TG |
3598 | return -1; |
3599 | ||
46d1c23b | 3600 | off = bfd_get_32 (abfd, raw.str); |
046b007d TG |
3601 | cmd->stroff = command->offset + off; |
3602 | cmd->str_len = command->len - off; | |
3603 | cmd->str = bfd_alloc (abfd, cmd->str_len); | |
3604 | if (cmd->str == NULL) | |
3605 | return -1; | |
3606 | if (bfd_seek (abfd, cmd->stroff, SEEK_SET) != 0 | |
91d6fa6a | 3607 | || bfd_bread ((void *) cmd->str, cmd->str_len, abfd) != cmd->str_len) |
046b007d TG |
3608 | return -1; |
3609 | return 0; | |
3610 | } | |
3611 | ||
ad86f1fb | 3612 | static int |
ab273af8 | 3613 | bfd_mach_o_read_dyld_info (bfd *abfd, bfd_mach_o_load_command *command) |
ad86f1fb TG |
3614 | { |
3615 | bfd_mach_o_dyld_info_command *cmd = &command->command.dyld_info; | |
46d1c23b | 3616 | struct mach_o_dyld_info_command_external raw; |
ad86f1fb | 3617 | |
46d1c23b TG |
3618 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 |
3619 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
ad86f1fb TG |
3620 | return -1; |
3621 | ||
46d1c23b TG |
3622 | cmd->rebase_off = bfd_get_32 (abfd, raw.rebase_off); |
3623 | cmd->rebase_size = bfd_get_32 (abfd, raw.rebase_size); | |
3624 | cmd->bind_off = bfd_get_32 (abfd, raw.bind_off); | |
3625 | cmd->bind_size = bfd_get_32 (abfd, raw.bind_size); | |
3626 | cmd->weak_bind_off = bfd_get_32 (abfd, raw.weak_bind_off); | |
3627 | cmd->weak_bind_size = bfd_get_32 (abfd, raw.weak_bind_size); | |
3628 | cmd->lazy_bind_off = bfd_get_32 (abfd, raw.lazy_bind_off); | |
3629 | cmd->lazy_bind_size = bfd_get_32 (abfd, raw.lazy_bind_size); | |
3630 | cmd->export_off = bfd_get_32 (abfd, raw.export_off); | |
3631 | cmd->export_size = bfd_get_32 (abfd, raw.export_size); | |
ad86f1fb TG |
3632 | return 0; |
3633 | } | |
3634 | ||
edbdea0e TG |
3635 | static bfd_boolean |
3636 | bfd_mach_o_read_version_min (bfd *abfd, bfd_mach_o_load_command *command) | |
3637 | { | |
3638 | bfd_mach_o_version_min_command *cmd = &command->command.version_min; | |
3639 | struct mach_o_version_min_command_external raw; | |
3640 | unsigned int ver; | |
3641 | ||
3642 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 | |
3643 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
3644 | return FALSE; | |
3645 | ||
3646 | ver = bfd_get_32 (abfd, raw.version); | |
3647 | cmd->rel = ver >> 16; | |
3648 | cmd->maj = ver >> 8; | |
3649 | cmd->min = ver; | |
3650 | cmd->reserved = bfd_get_32 (abfd, raw.reserved); | |
3651 | return TRUE; | |
3652 | } | |
3653 | ||
fc55a902 TG |
3654 | static bfd_boolean |
3655 | bfd_mach_o_read_encryption_info (bfd *abfd, bfd_mach_o_load_command *command) | |
3656 | { | |
3657 | bfd_mach_o_encryption_info_command *cmd = &command->command.encryption_info; | |
3658 | struct mach_o_encryption_info_command_external raw; | |
3659 | ||
3660 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 | |
3661 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
3662 | return FALSE; | |
3663 | ||
3664 | cmd->cryptoff = bfd_get_32 (abfd, raw.cryptoff); | |
3665 | cmd->cryptsize = bfd_get_32 (abfd, raw.cryptsize); | |
3666 | cmd->cryptid = bfd_get_32 (abfd, raw.cryptid); | |
3667 | return TRUE; | |
3668 | } | |
3669 | ||
1778ad74 TG |
3670 | static bfd_boolean |
3671 | bfd_mach_o_read_main (bfd *abfd, bfd_mach_o_load_command *command) | |
3672 | { | |
3673 | bfd_mach_o_main_command *cmd = &command->command.main; | |
3674 | struct mach_o_entry_point_command_external raw; | |
3675 | ||
3676 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 | |
3677 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
3678 | return FALSE; | |
3679 | ||
3680 | cmd->entryoff = bfd_get_64 (abfd, raw.entryoff); | |
3681 | cmd->stacksize = bfd_get_64 (abfd, raw.stacksize); | |
3682 | return TRUE; | |
3683 | } | |
3684 | ||
3685 | static bfd_boolean | |
3686 | bfd_mach_o_read_source_version (bfd *abfd, bfd_mach_o_load_command *command) | |
3687 | { | |
3688 | bfd_mach_o_source_version_command *cmd = &command->command.source_version; | |
3689 | struct mach_o_source_version_command_external raw; | |
3690 | bfd_uint64_t ver; | |
3691 | ||
3692 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 | |
3693 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
3694 | return FALSE; | |
3695 | ||
3696 | ver = bfd_get_64 (abfd, raw.version); | |
3697 | /* Note: we use a serie of shift to avoid shift > 32 (for which gcc | |
3698 | generates warnings) in case of the host doesn't support 64 bit | |
3699 | integers. */ | |
3700 | cmd->e = ver & 0x3ff; | |
3701 | ver >>= 10; | |
3702 | cmd->d = ver & 0x3ff; | |
3703 | ver >>= 10; | |
3704 | cmd->c = ver & 0x3ff; | |
3705 | ver >>= 10; | |
3706 | cmd->b = ver & 0x3ff; | |
3707 | ver >>= 10; | |
3708 | cmd->a = ver & 0xffffff; | |
3709 | return TRUE; | |
3710 | } | |
3711 | ||
3af9a47b | 3712 | static int |
ab273af8 TG |
3713 | bfd_mach_o_read_segment (bfd *abfd, |
3714 | bfd_mach_o_load_command *command, | |
3715 | unsigned int wide) | |
3af9a47b | 3716 | { |
3af9a47b NC |
3717 | bfd_mach_o_segment_command *seg = &command->command.segment; |
3718 | unsigned long i; | |
a95a4550 | 3719 | |
1e8a024a TG |
3720 | if (wide) |
3721 | { | |
46d1c23b TG |
3722 | struct mach_o_segment_command_64_external raw; |
3723 | ||
1e8a024a | 3724 | BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT_64); |
3af9a47b | 3725 | |
46d1c23b TG |
3726 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 |
3727 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
3728 | return -1; | |
3af9a47b | 3729 | |
46d1c23b | 3730 | memcpy (seg->segname, raw.segname, 16); |
15e1c58a | 3731 | seg->segname[16] = '\0'; |
1e8a024a | 3732 | |
46d1c23b TG |
3733 | seg->vmaddr = bfd_h_get_64 (abfd, raw.vmaddr); |
3734 | seg->vmsize = bfd_h_get_64 (abfd, raw.vmsize); | |
3735 | seg->fileoff = bfd_h_get_64 (abfd, raw.fileoff); | |
3736 | seg->filesize = bfd_h_get_64 (abfd, raw.filesize); | |
3737 | seg->maxprot = bfd_h_get_32 (abfd, raw.maxprot); | |
3738 | seg->initprot = bfd_h_get_32 (abfd, raw.initprot); | |
3739 | seg->nsects = bfd_h_get_32 (abfd, raw.nsects); | |
3740 | seg->flags = bfd_h_get_32 (abfd, raw.flags); | |
1e8a024a TG |
3741 | } |
3742 | else | |
3743 | { | |
46d1c23b TG |
3744 | struct mach_o_segment_command_32_external raw; |
3745 | ||
1e8a024a TG |
3746 | BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT); |
3747 | ||
46d1c23b TG |
3748 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 |
3749 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
3750 | return -1; | |
1e8a024a | 3751 | |
46d1c23b | 3752 | memcpy (seg->segname, raw.segname, 16); |
15e1c58a | 3753 | seg->segname[16] = '\0'; |
1e8a024a | 3754 | |
46d1c23b TG |
3755 | seg->vmaddr = bfd_h_get_32 (abfd, raw.vmaddr); |
3756 | seg->vmsize = bfd_h_get_32 (abfd, raw.vmsize); | |
3757 | seg->fileoff = bfd_h_get_32 (abfd, raw.fileoff); | |
3758 | seg->filesize = bfd_h_get_32 (abfd, raw.filesize); | |
3759 | seg->maxprot = bfd_h_get_32 (abfd, raw.maxprot); | |
3760 | seg->initprot = bfd_h_get_32 (abfd, raw.initprot); | |
3761 | seg->nsects = bfd_h_get_32 (abfd, raw.nsects); | |
3762 | seg->flags = bfd_h_get_32 (abfd, raw.flags); | |
1e8a024a | 3763 | } |
9d4b6009 TG |
3764 | seg->sect_head = NULL; |
3765 | seg->sect_tail = NULL; | |
3af9a47b | 3766 | |
f1bde64c | 3767 | for (i = 0; i < seg->nsects; i++) |
3af9a47b | 3768 | { |
f1bde64c TG |
3769 | bfd_vma segoff; |
3770 | asection *sec; | |
a95a4550 | 3771 | |
f1bde64c TG |
3772 | if (wide) |
3773 | segoff = command->offset + BFD_MACH_O_LC_SEGMENT_64_SIZE | |
3774 | + (i * BFD_MACH_O_SECTION_64_SIZE); | |
3775 | else | |
3776 | segoff = command->offset + BFD_MACH_O_LC_SEGMENT_SIZE | |
3777 | + (i * BFD_MACH_O_SECTION_SIZE); | |
3af9a47b | 3778 | |
f1bde64c TG |
3779 | sec = bfd_mach_o_read_section (abfd, segoff, seg->initprot, wide); |
3780 | if (sec == NULL) | |
3781 | return -1; | |
3782 | ||
3783 | bfd_mach_o_append_section_to_segment (seg, sec); | |
3af9a47b NC |
3784 | } |
3785 | ||
3786 | return 0; | |
3787 | } | |
3788 | ||
1e8a024a | 3789 | static int |
ab273af8 | 3790 | bfd_mach_o_read_segment_32 (bfd *abfd, bfd_mach_o_load_command *command) |
1e8a024a | 3791 | { |
ab273af8 | 3792 | return bfd_mach_o_read_segment (abfd, command, 0); |
1e8a024a TG |
3793 | } |
3794 | ||
3795 | static int | |
ab273af8 | 3796 | bfd_mach_o_read_segment_64 (bfd *abfd, bfd_mach_o_load_command *command) |
1e8a024a | 3797 | { |
ab273af8 | 3798 | return bfd_mach_o_read_segment (abfd, command, 1); |
1e8a024a TG |
3799 | } |
3800 | ||
3af9a47b | 3801 | static int |
ab273af8 | 3802 | bfd_mach_o_read_command (bfd *abfd, bfd_mach_o_load_command *command) |
3af9a47b | 3803 | { |
46d1c23b TG |
3804 | struct mach_o_load_command_external raw; |
3805 | unsigned int cmd; | |
3af9a47b | 3806 | |
046b007d | 3807 | /* Read command type and length. */ |
c2f09c75 | 3808 | if (bfd_seek (abfd, command->offset, SEEK_SET) != 0 |
46d1c23b | 3809 | || bfd_bread (&raw, BFD_MACH_O_LC_SIZE, abfd) != BFD_MACH_O_LC_SIZE) |
3af9a47b NC |
3810 | return -1; |
3811 | ||
46d1c23b TG |
3812 | cmd = bfd_h_get_32 (abfd, raw.cmd); |
3813 | command->type = cmd & ~BFD_MACH_O_LC_REQ_DYLD; | |
3814 | command->type_required = cmd & BFD_MACH_O_LC_REQ_DYLD ? TRUE : FALSE; | |
3815 | command->len = bfd_h_get_32 (abfd, raw.cmdsize); | |
3af9a47b NC |
3816 | |
3817 | switch (command->type) | |
3818 | { | |
3819 | case BFD_MACH_O_LC_SEGMENT: | |
ab273af8 | 3820 | if (bfd_mach_o_read_segment_32 (abfd, command) != 0) |
1e8a024a TG |
3821 | return -1; |
3822 | break; | |
3823 | case BFD_MACH_O_LC_SEGMENT_64: | |
ab273af8 | 3824 | if (bfd_mach_o_read_segment_64 (abfd, command) != 0) |
3af9a47b NC |
3825 | return -1; |
3826 | break; | |
3827 | case BFD_MACH_O_LC_SYMTAB: | |
ab273af8 | 3828 | if (bfd_mach_o_read_symtab (abfd, command) != 0) |
3af9a47b NC |
3829 | return -1; |
3830 | break; | |
3831 | case BFD_MACH_O_LC_SYMSEG: | |
3832 | break; | |
3833 | case BFD_MACH_O_LC_THREAD: | |
3834 | case BFD_MACH_O_LC_UNIXTHREAD: | |
ab273af8 | 3835 | if (bfd_mach_o_read_thread (abfd, command) != 0) |
3af9a47b NC |
3836 | return -1; |
3837 | break; | |
3838 | case BFD_MACH_O_LC_LOAD_DYLINKER: | |
3839 | case BFD_MACH_O_LC_ID_DYLINKER: | |
ab273af8 | 3840 | if (bfd_mach_o_read_dylinker (abfd, command) != 0) |
3af9a47b NC |
3841 | return -1; |
3842 | break; | |
3843 | case BFD_MACH_O_LC_LOAD_DYLIB: | |
3844 | case BFD_MACH_O_LC_ID_DYLIB: | |
3845 | case BFD_MACH_O_LC_LOAD_WEAK_DYLIB: | |
046b007d | 3846 | case BFD_MACH_O_LC_REEXPORT_DYLIB: |
73017762 | 3847 | case BFD_MACH_O_LC_LOAD_UPWARD_DYLIB: |
ab273af8 | 3848 | if (bfd_mach_o_read_dylib (abfd, command) != 0) |
3af9a47b NC |
3849 | return -1; |
3850 | break; | |
3851 | case BFD_MACH_O_LC_PREBOUND_DYLIB: | |
ab273af8 | 3852 | if (bfd_mach_o_read_prebound_dylib (abfd, command) != 0) |
3af9a47b NC |
3853 | return -1; |
3854 | break; | |
3855 | case BFD_MACH_O_LC_LOADFVMLIB: | |
3856 | case BFD_MACH_O_LC_IDFVMLIB: | |
9f4a5bd1 TG |
3857 | if (bfd_mach_o_read_fvmlib (abfd, command) != 0) |
3858 | return -1; | |
3859 | break; | |
3af9a47b NC |
3860 | case BFD_MACH_O_LC_IDENT: |
3861 | case BFD_MACH_O_LC_FVMFILE: | |
3862 | case BFD_MACH_O_LC_PREPAGE: | |
3863 | case BFD_MACH_O_LC_ROUTINES: | |
9b02d212 | 3864 | case BFD_MACH_O_LC_ROUTINES_64: |
046b007d | 3865 | break; |
3af9a47b | 3866 | case BFD_MACH_O_LC_SUB_FRAMEWORK: |
046b007d TG |
3867 | case BFD_MACH_O_LC_SUB_UMBRELLA: |
3868 | case BFD_MACH_O_LC_SUB_LIBRARY: | |
3869 | case BFD_MACH_O_LC_SUB_CLIENT: | |
0c9b2b4c | 3870 | case BFD_MACH_O_LC_RPATH: |
ab273af8 | 3871 | if (bfd_mach_o_read_str (abfd, command) != 0) |
046b007d | 3872 | return -1; |
3af9a47b NC |
3873 | break; |
3874 | case BFD_MACH_O_LC_DYSYMTAB: | |
ab273af8 | 3875 | if (bfd_mach_o_read_dysymtab (abfd, command) != 0) |
3af9a47b NC |
3876 | return -1; |
3877 | break; | |
3af9a47b NC |
3878 | case BFD_MACH_O_LC_TWOLEVEL_HINTS: |
3879 | case BFD_MACH_O_LC_PREBIND_CKSUM: | |
3880 | break; | |
15e1c58a | 3881 | case BFD_MACH_O_LC_UUID: |
ab273af8 | 3882 | if (bfd_mach_o_read_uuid (abfd, command) != 0) |
15e1c58a TG |
3883 | return -1; |
3884 | break; | |
3885 | case BFD_MACH_O_LC_CODE_SIGNATURE: | |
846b9259 | 3886 | case BFD_MACH_O_LC_SEGMENT_SPLIT_INFO: |
edbdea0e | 3887 | case BFD_MACH_O_LC_FUNCTION_STARTS: |
1778ad74 TG |
3888 | case BFD_MACH_O_LC_DATA_IN_CODE: |
3889 | case BFD_MACH_O_LC_DYLIB_CODE_SIGN_DRS: | |
ab273af8 | 3890 | if (bfd_mach_o_read_linkedit (abfd, command) != 0) |
046b007d | 3891 | return -1; |
15e1c58a | 3892 | break; |
fc55a902 TG |
3893 | case BFD_MACH_O_LC_ENCRYPTION_INFO: |
3894 | if (!bfd_mach_o_read_encryption_info (abfd, command)) | |
3895 | return -1; | |
3896 | break; | |
ad86f1fb | 3897 | case BFD_MACH_O_LC_DYLD_INFO: |
ab273af8 | 3898 | if (bfd_mach_o_read_dyld_info (abfd, command) != 0) |
ad86f1fb TG |
3899 | return -1; |
3900 | break; | |
edbdea0e TG |
3901 | case BFD_MACH_O_LC_VERSION_MIN_MACOSX: |
3902 | case BFD_MACH_O_LC_VERSION_MIN_IPHONEOS: | |
3903 | if (!bfd_mach_o_read_version_min (abfd, command)) | |
3904 | return -1; | |
3905 | break; | |
1778ad74 TG |
3906 | case BFD_MACH_O_LC_MAIN: |
3907 | if (!bfd_mach_o_read_main (abfd, command)) | |
3908 | return -1; | |
3909 | break; | |
3910 | case BFD_MACH_O_LC_SOURCE_VERSION: | |
3911 | if (!bfd_mach_o_read_source_version (abfd, command)) | |
3912 | return -1; | |
3913 | break; | |
3af9a47b | 3914 | default: |
fc55a902 | 3915 | (*_bfd_error_handler)(_("%B: unknown load command 0x%lx"), |
c0d9d051 | 3916 | abfd, (unsigned long) command->type); |
3af9a47b NC |
3917 | break; |
3918 | } | |
3919 | ||
3920 | return 0; | |
3921 | } | |
3922 | ||
3923 | static void | |
116c20d2 | 3924 | bfd_mach_o_flatten_sections (bfd *abfd) |
3af9a47b | 3925 | { |
046b007d | 3926 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
3af9a47b | 3927 | long csect = 0; |
f1bde64c | 3928 | unsigned long i; |
a95a4550 | 3929 | |
15e1c58a | 3930 | /* Count total number of sections. */ |
3af9a47b NC |
3931 | mdata->nsects = 0; |
3932 | ||
3933 | for (i = 0; i < mdata->header.ncmds; i++) | |
3934 | { | |
1e8a024a TG |
3935 | if (mdata->commands[i].type == BFD_MACH_O_LC_SEGMENT |
3936 | || mdata->commands[i].type == BFD_MACH_O_LC_SEGMENT_64) | |
3af9a47b | 3937 | { |
e84d6fca AM |
3938 | bfd_mach_o_segment_command *seg; |
3939 | ||
3940 | seg = &mdata->commands[i].command.segment; | |
3af9a47b NC |
3941 | mdata->nsects += seg->nsects; |
3942 | } | |
3943 | } | |
3944 | ||
15e1c58a | 3945 | /* Allocate sections array. */ |
e84d6fca AM |
3946 | mdata->sections = bfd_alloc (abfd, |
3947 | mdata->nsects * sizeof (bfd_mach_o_section *)); | |
15e1c58a TG |
3948 | |
3949 | /* Fill the array. */ | |
3af9a47b NC |
3950 | csect = 0; |
3951 | ||
3952 | for (i = 0; i < mdata->header.ncmds; i++) | |
3953 | { | |
1e8a024a TG |
3954 | if (mdata->commands[i].type == BFD_MACH_O_LC_SEGMENT |
3955 | || mdata->commands[i].type == BFD_MACH_O_LC_SEGMENT_64) | |
3af9a47b | 3956 | { |
e84d6fca | 3957 | bfd_mach_o_segment_command *seg; |
f1bde64c | 3958 | bfd_mach_o_section *sec; |
3af9a47b | 3959 | |
e84d6fca | 3960 | seg = &mdata->commands[i].command.segment; |
3af9a47b NC |
3961 | BFD_ASSERT (csect + seg->nsects <= mdata->nsects); |
3962 | ||
f1bde64c TG |
3963 | for (sec = seg->sect_head; sec != NULL; sec = sec->next) |
3964 | mdata->sections[csect++] = sec; | |
3af9a47b NC |
3965 | } |
3966 | } | |
3967 | } | |
3968 | ||
afbb9e17 | 3969 | static bfd_boolean |
116c20d2 | 3970 | bfd_mach_o_scan_start_address (bfd *abfd) |
3af9a47b | 3971 | { |
046b007d | 3972 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
3af9a47b NC |
3973 | bfd_mach_o_thread_command *cmd = NULL; |
3974 | unsigned long i; | |
3975 | ||
3976 | for (i = 0; i < mdata->header.ncmds; i++) | |
afbb9e17 TG |
3977 | if ((mdata->commands[i].type == BFD_MACH_O_LC_THREAD) || |
3978 | (mdata->commands[i].type == BFD_MACH_O_LC_UNIXTHREAD)) | |
3979 | { | |
3980 | cmd = &mdata->commands[i].command.thread; | |
3981 | break; | |
3982 | } | |
c0fd7846 TG |
3983 | else if (mdata->commands[i].type == BFD_MACH_O_LC_MAIN |
3984 | && mdata->nsects > 1) | |
3985 | { | |
3986 | bfd_mach_o_main_command *main_cmd = &mdata->commands[i].command.main; | |
3987 | bfd_mach_o_section *text_sect = mdata->sections[0]; | |
3988 | if (text_sect) | |
3989 | { | |
3990 | abfd->start_address = main_cmd->entryoff | |
3991 | + (text_sect->addr - text_sect->offset); | |
3992 | return TRUE; | |
3993 | } | |
3994 | } | |
3af9a47b | 3995 | |
5ee43bc4 | 3996 | /* An object file has no start address, so do not fail if not found. */ |
3af9a47b | 3997 | if (cmd == NULL) |
5ee43bc4 | 3998 | return TRUE; |
3af9a47b | 3999 | |
afbb9e17 | 4000 | /* FIXME: create a subtarget hook ? */ |
3af9a47b NC |
4001 | for (i = 0; i < cmd->nflavours; i++) |
4002 | { | |
a95a4550 | 4003 | if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_I386) |
e84d6fca | 4004 | && (cmd->flavours[i].flavour |
15e1c58a | 4005 | == (unsigned long) BFD_MACH_O_x86_THREAD_STATE32)) |
3af9a47b NC |
4006 | { |
4007 | unsigned char buf[4]; | |
4008 | ||
c2f09c75 TG |
4009 | if (bfd_seek (abfd, cmd->flavours[i].offset + 40, SEEK_SET) != 0 |
4010 | || bfd_bread (buf, 4, abfd) != 4) | |
afbb9e17 | 4011 | return FALSE; |
3af9a47b NC |
4012 | |
4013 | abfd->start_address = bfd_h_get_32 (abfd, buf); | |
4014 | } | |
a95a4550 | 4015 | else if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_POWERPC) |
3af9a47b NC |
4016 | && (cmd->flavours[i].flavour == BFD_MACH_O_PPC_THREAD_STATE)) |
4017 | { | |
4018 | unsigned char buf[4]; | |
4019 | ||
c2f09c75 TG |
4020 | if (bfd_seek (abfd, cmd->flavours[i].offset + 0, SEEK_SET) != 0 |
4021 | || bfd_bread (buf, 4, abfd) != 4) | |
afbb9e17 | 4022 | return FALSE; |
3af9a47b NC |
4023 | |
4024 | abfd->start_address = bfd_h_get_32 (abfd, buf); | |
4025 | } | |
1e8a024a | 4026 | else if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_POWERPC_64) |
b32e07d7 | 4027 | && (cmd->flavours[i].flavour == BFD_MACH_O_PPC_THREAD_STATE64)) |
1e8a024a TG |
4028 | { |
4029 | unsigned char buf[8]; | |
4030 | ||
c2f09c75 TG |
4031 | if (bfd_seek (abfd, cmd->flavours[i].offset + 0, SEEK_SET) != 0 |
4032 | || bfd_bread (buf, 8, abfd) != 8) | |
afbb9e17 | 4033 | return FALSE; |
1e8a024a TG |
4034 | |
4035 | abfd->start_address = bfd_h_get_64 (abfd, buf); | |
4036 | } | |
4037 | else if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_X86_64) | |
4038 | && (cmd->flavours[i].flavour == BFD_MACH_O_x86_THREAD_STATE64)) | |
4039 | { | |
4040 | unsigned char buf[8]; | |
4041 | ||
c2f09c75 TG |
4042 | if (bfd_seek (abfd, cmd->flavours[i].offset + (16 * 8), SEEK_SET) != 0 |
4043 | || bfd_bread (buf, 8, abfd) != 8) | |
afbb9e17 | 4044 | return FALSE; |
1e8a024a TG |
4045 | |
4046 | abfd->start_address = bfd_h_get_64 (abfd, buf); | |
4047 | } | |
3af9a47b NC |
4048 | } |
4049 | ||
afbb9e17 | 4050 | return TRUE; |
3af9a47b NC |
4051 | } |
4052 | ||
42fa0891 TG |
4053 | bfd_boolean |
4054 | bfd_mach_o_set_arch_mach (bfd *abfd, | |
4055 | enum bfd_architecture arch, | |
4056 | unsigned long machine) | |
4057 | { | |
4058 | bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd); | |
4059 | ||
4060 | /* If this isn't the right architecture for this backend, and this | |
4061 | isn't the generic backend, fail. */ | |
4062 | if (arch != bed->arch | |
4063 | && arch != bfd_arch_unknown | |
4064 | && bed->arch != bfd_arch_unknown) | |
4065 | return FALSE; | |
4066 | ||
4067 | return bfd_default_set_arch_mach (abfd, arch, machine); | |
4068 | } | |
4069 | ||
afbb9e17 | 4070 | static bfd_boolean |
116c20d2 NC |
4071 | bfd_mach_o_scan (bfd *abfd, |
4072 | bfd_mach_o_header *header, | |
4073 | bfd_mach_o_data_struct *mdata) | |
3af9a47b NC |
4074 | { |
4075 | unsigned int i; | |
3af9a47b NC |
4076 | enum bfd_architecture cputype; |
4077 | unsigned long cpusubtype; | |
1e8a024a TG |
4078 | unsigned int hdrsize; |
4079 | ||
c2f09c75 | 4080 | hdrsize = mach_o_wide_p (header) ? |
154a1ee5 | 4081 | BFD_MACH_O_HEADER_64_SIZE : BFD_MACH_O_HEADER_SIZE; |
3af9a47b | 4082 | |
3af9a47b | 4083 | mdata->header = *header; |
3af9a47b | 4084 | |
154a1ee5 | 4085 | abfd->flags = abfd->flags & BFD_IN_MEMORY; |
15e1c58a TG |
4086 | switch (header->filetype) |
4087 | { | |
4088 | case BFD_MACH_O_MH_OBJECT: | |
4089 | abfd->flags |= HAS_RELOC; | |
4090 | break; | |
4091 | case BFD_MACH_O_MH_EXECUTE: | |
4092 | abfd->flags |= EXEC_P; | |
4093 | break; | |
4094 | case BFD_MACH_O_MH_DYLIB: | |
4095 | case BFD_MACH_O_MH_BUNDLE: | |
4096 | abfd->flags |= DYNAMIC; | |
4097 | break; | |
4098 | } | |
4099 | ||
3af9a47b NC |
4100 | abfd->tdata.mach_o_data = mdata; |
4101 | ||
e84d6fca AM |
4102 | bfd_mach_o_convert_architecture (header->cputype, header->cpusubtype, |
4103 | &cputype, &cpusubtype); | |
3af9a47b NC |
4104 | if (cputype == bfd_arch_unknown) |
4105 | { | |
afbb9e17 TG |
4106 | (*_bfd_error_handler) |
4107 | (_("bfd_mach_o_scan: unknown architecture 0x%lx/0x%lx"), | |
4108 | header->cputype, header->cpusubtype); | |
4109 | return FALSE; | |
3af9a47b NC |
4110 | } |
4111 | ||
4112 | bfd_set_arch_mach (abfd, cputype, cpusubtype); | |
a95a4550 | 4113 | |
3af9a47b NC |
4114 | if (header->ncmds != 0) |
4115 | { | |
046b007d TG |
4116 | mdata->commands = bfd_alloc |
4117 | (abfd, header->ncmds * sizeof (bfd_mach_o_load_command)); | |
3af9a47b | 4118 | if (mdata->commands == NULL) |
afbb9e17 | 4119 | return FALSE; |
a95a4550 | 4120 | |
3af9a47b NC |
4121 | for (i = 0; i < header->ncmds; i++) |
4122 | { | |
4123 | bfd_mach_o_load_command *cur = &mdata->commands[i]; | |
4124 | ||
4125 | if (i == 0) | |
1e8a024a | 4126 | cur->offset = hdrsize; |
3af9a47b NC |
4127 | else |
4128 | { | |
4129 | bfd_mach_o_load_command *prev = &mdata->commands[i - 1]; | |
4130 | cur->offset = prev->offset + prev->len; | |
4131 | } | |
4132 | ||
ab273af8 | 4133 | if (bfd_mach_o_read_command (abfd, cur) < 0) |
afbb9e17 | 4134 | return FALSE; |
a95a4550 | 4135 | } |
3af9a47b NC |
4136 | } |
4137 | ||
c0fd7846 TG |
4138 | /* Sections should be flatten before scanning start address. */ |
4139 | bfd_mach_o_flatten_sections (abfd); | |
4140 | if (!bfd_mach_o_scan_start_address (abfd)) | |
afbb9e17 | 4141 | return FALSE; |
3af9a47b | 4142 | |
afbb9e17 | 4143 | return TRUE; |
3af9a47b NC |
4144 | } |
4145 | ||
b34976b6 | 4146 | bfd_boolean |
154a1ee5 | 4147 | bfd_mach_o_mkobject_init (bfd *abfd) |
3af9a47b NC |
4148 | { |
4149 | bfd_mach_o_data_struct *mdata = NULL; | |
4150 | ||
116c20d2 | 4151 | mdata = bfd_alloc (abfd, sizeof (bfd_mach_o_data_struct)); |
3af9a47b | 4152 | if (mdata == NULL) |
b34976b6 | 4153 | return FALSE; |
3af9a47b NC |
4154 | abfd->tdata.mach_o_data = mdata; |
4155 | ||
4156 | mdata->header.magic = 0; | |
4157 | mdata->header.cputype = 0; | |
4158 | mdata->header.cpusubtype = 0; | |
4159 | mdata->header.filetype = 0; | |
4160 | mdata->header.ncmds = 0; | |
4161 | mdata->header.sizeofcmds = 0; | |
4162 | mdata->header.flags = 0; | |
4163 | mdata->header.byteorder = BFD_ENDIAN_UNKNOWN; | |
4164 | mdata->commands = NULL; | |
3af9a47b NC |
4165 | mdata->nsects = 0; |
4166 | mdata->sections = NULL; | |
4434114c | 4167 | mdata->dyn_reloc_cache = NULL; |
3af9a47b | 4168 | |
b34976b6 | 4169 | return TRUE; |
3af9a47b NC |
4170 | } |
4171 | ||
42fa0891 TG |
4172 | static bfd_boolean |
4173 | bfd_mach_o_gen_mkobject (bfd *abfd) | |
4174 | { | |
4175 | bfd_mach_o_data_struct *mdata; | |
4176 | ||
4177 | if (!bfd_mach_o_mkobject_init (abfd)) | |
4178 | return FALSE; | |
4179 | ||
4180 | mdata = bfd_mach_o_get_data (abfd); | |
4181 | mdata->header.magic = BFD_MACH_O_MH_MAGIC; | |
4182 | mdata->header.cputype = 0; | |
4183 | mdata->header.cpusubtype = 0; | |
4184 | mdata->header.byteorder = abfd->xvec->byteorder; | |
4185 | mdata->header.version = 1; | |
4186 | ||
4187 | return TRUE; | |
4188 | } | |
4189 | ||
3af9a47b | 4190 | const bfd_target * |
154a1ee5 TG |
4191 | bfd_mach_o_header_p (bfd *abfd, |
4192 | bfd_mach_o_filetype filetype, | |
4193 | bfd_mach_o_cpu_type cputype) | |
3af9a47b NC |
4194 | { |
4195 | bfd_mach_o_header header; | |
c9ba0c87 | 4196 | bfd_mach_o_data_struct *mdata; |
3af9a47b | 4197 | |
154a1ee5 | 4198 | if (!bfd_mach_o_read_header (abfd, &header)) |
e84d6fca | 4199 | goto wrong; |
3af9a47b | 4200 | |
e84d6fca AM |
4201 | if (! (header.byteorder == BFD_ENDIAN_BIG |
4202 | || header.byteorder == BFD_ENDIAN_LITTLE)) | |
3af9a47b | 4203 | { |
4a97a0e5 AM |
4204 | (*_bfd_error_handler) (_("unknown header byte-order value 0x%lx"), |
4205 | (unsigned long) header.byteorder); | |
e84d6fca | 4206 | goto wrong; |
3af9a47b NC |
4207 | } |
4208 | ||
e84d6fca AM |
4209 | if (! ((header.byteorder == BFD_ENDIAN_BIG |
4210 | && abfd->xvec->byteorder == BFD_ENDIAN_BIG | |
4211 | && abfd->xvec->header_byteorder == BFD_ENDIAN_BIG) | |
4212 | || (header.byteorder == BFD_ENDIAN_LITTLE | |
4213 | && abfd->xvec->byteorder == BFD_ENDIAN_LITTLE | |
4214 | && abfd->xvec->header_byteorder == BFD_ENDIAN_LITTLE))) | |
4215 | goto wrong; | |
3af9a47b | 4216 | |
154a1ee5 TG |
4217 | /* Check cputype and filetype. |
4218 | In case of wildcard, do not accept magics that are handled by existing | |
4219 | targets. */ | |
4220 | if (cputype) | |
4221 | { | |
4222 | if (header.cputype != cputype) | |
4223 | goto wrong; | |
4224 | } | |
b22161d6 | 4225 | |
154a1ee5 TG |
4226 | if (filetype) |
4227 | { | |
4228 | if (header.filetype != filetype) | |
4229 | goto wrong; | |
4230 | } | |
4231 | else | |
4232 | { | |
4233 | switch (header.filetype) | |
4234 | { | |
4235 | case BFD_MACH_O_MH_CORE: | |
4236 | /* Handled by core_p */ | |
4237 | goto wrong; | |
4238 | default: | |
4239 | break; | |
4240 | } | |
4241 | } | |
4242 | ||
c9ba0c87 AM |
4243 | mdata = (bfd_mach_o_data_struct *) bfd_zalloc (abfd, sizeof (*mdata)); |
4244 | if (mdata == NULL) | |
e84d6fca | 4245 | goto fail; |
3af9a47b | 4246 | |
c9ba0c87 | 4247 | if (!bfd_mach_o_scan (abfd, &header, mdata)) |
e84d6fca | 4248 | goto wrong; |
a95a4550 | 4249 | |
3af9a47b | 4250 | return abfd->xvec; |
e84d6fca AM |
4251 | |
4252 | wrong: | |
4253 | bfd_set_error (bfd_error_wrong_format); | |
4254 | ||
4255 | fail: | |
e84d6fca | 4256 | return NULL; |
3af9a47b NC |
4257 | } |
4258 | ||
154a1ee5 TG |
4259 | static const bfd_target * |
4260 | bfd_mach_o_gen_object_p (bfd *abfd) | |
3af9a47b | 4261 | { |
154a1ee5 TG |
4262 | return bfd_mach_o_header_p (abfd, 0, 0); |
4263 | } | |
e84d6fca | 4264 | |
154a1ee5 TG |
4265 | static const bfd_target * |
4266 | bfd_mach_o_gen_core_p (bfd *abfd) | |
4267 | { | |
4268 | return bfd_mach_o_header_p (abfd, BFD_MACH_O_MH_CORE, 0); | |
3af9a47b NC |
4269 | } |
4270 | ||
4271 | typedef struct mach_o_fat_archentry | |
4272 | { | |
4273 | unsigned long cputype; | |
4274 | unsigned long cpusubtype; | |
4275 | unsigned long offset; | |
4276 | unsigned long size; | |
4277 | unsigned long align; | |
3af9a47b NC |
4278 | } mach_o_fat_archentry; |
4279 | ||
4280 | typedef struct mach_o_fat_data_struct | |
4281 | { | |
4282 | unsigned long magic; | |
4283 | unsigned long nfat_arch; | |
4284 | mach_o_fat_archentry *archentries; | |
4285 | } mach_o_fat_data_struct; | |
4286 | ||
4287 | const bfd_target * | |
116c20d2 | 4288 | bfd_mach_o_archive_p (bfd *abfd) |
3af9a47b | 4289 | { |
e84d6fca | 4290 | mach_o_fat_data_struct *adata = NULL; |
46d1c23b | 4291 | struct mach_o_fat_header_external hdr; |
3af9a47b NC |
4292 | unsigned long i; |
4293 | ||
c2f09c75 | 4294 | if (bfd_seek (abfd, 0, SEEK_SET) != 0 |
46d1c23b | 4295 | || bfd_bread (&hdr, sizeof (hdr), abfd) != sizeof (hdr)) |
e84d6fca | 4296 | goto error; |
3af9a47b | 4297 | |
116c20d2 | 4298 | adata = bfd_alloc (abfd, sizeof (mach_o_fat_data_struct)); |
3af9a47b | 4299 | if (adata == NULL) |
e84d6fca | 4300 | goto error; |
a95a4550 | 4301 | |
46d1c23b TG |
4302 | adata->magic = bfd_getb32 (hdr.magic); |
4303 | adata->nfat_arch = bfd_getb32 (hdr.nfat_arch); | |
3af9a47b | 4304 | if (adata->magic != 0xcafebabe) |
e84d6fca | 4305 | goto error; |
27cc28f9 AS |
4306 | /* Avoid matching Java bytecode files, which have the same magic number. |
4307 | In the Java bytecode file format this field contains the JVM version, | |
4308 | which starts at 43.0. */ | |
4309 | if (adata->nfat_arch > 30) | |
4310 | goto error; | |
3af9a47b | 4311 | |
c2f09c75 | 4312 | adata->archentries = |
3af9a47b NC |
4313 | bfd_alloc (abfd, adata->nfat_arch * sizeof (mach_o_fat_archentry)); |
4314 | if (adata->archentries == NULL) | |
e84d6fca | 4315 | goto error; |
3af9a47b NC |
4316 | |
4317 | for (i = 0; i < adata->nfat_arch; i++) | |
4318 | { | |
46d1c23b TG |
4319 | struct mach_o_fat_arch_external arch; |
4320 | if (bfd_bread (&arch, sizeof (arch), abfd) != sizeof (arch)) | |
e84d6fca | 4321 | goto error; |
46d1c23b TG |
4322 | adata->archentries[i].cputype = bfd_getb32 (arch.cputype); |
4323 | adata->archentries[i].cpusubtype = bfd_getb32 (arch.cpusubtype); | |
4324 | adata->archentries[i].offset = bfd_getb32 (arch.offset); | |
4325 | adata->archentries[i].size = bfd_getb32 (arch.size); | |
4326 | adata->archentries[i].align = bfd_getb32 (arch.align); | |
3af9a47b NC |
4327 | } |
4328 | ||
4329 | abfd->tdata.mach_o_fat_data = adata; | |
4330 | return abfd->xvec; | |
e84d6fca AM |
4331 | |
4332 | error: | |
4333 | if (adata != NULL) | |
4334 | bfd_release (abfd, adata); | |
4335 | bfd_set_error (bfd_error_wrong_format); | |
4336 | return NULL; | |
3af9a47b NC |
4337 | } |
4338 | ||
a4e241ca TG |
4339 | /* Set the filename for a fat binary member ABFD, whose bfd architecture is |
4340 | ARCH_TYPE/ARCH_SUBTYPE and corresponding entry in header is ENTRY. | |
4341 | Set arelt_data and origin fields too. */ | |
4342 | ||
4343 | static void | |
4344 | bfd_mach_o_fat_member_init (bfd *abfd, | |
4345 | enum bfd_architecture arch_type, | |
4346 | unsigned long arch_subtype, | |
4347 | mach_o_fat_archentry *entry) | |
4348 | { | |
4349 | struct areltdata *areltdata; | |
4350 | /* Create the member filename. Use ARCH_NAME. */ | |
4351 | const bfd_arch_info_type *ap = bfd_lookup_arch (arch_type, arch_subtype); | |
4352 | ||
4353 | if (ap) | |
4354 | { | |
4355 | /* Use the architecture name if known. */ | |
4356 | abfd->filename = ap->printable_name; | |
4357 | } | |
4358 | else | |
4359 | { | |
4360 | /* Forge a uniq id. */ | |
4361 | const size_t namelen = 2 + 8 + 1 + 2 + 8 + 1; | |
4362 | char *name = bfd_alloc (abfd, namelen); | |
4363 | snprintf (name, namelen, "0x%lx-0x%lx", | |
4364 | entry->cputype, entry->cpusubtype); | |
4365 | abfd->filename = name; | |
4366 | } | |
4367 | ||
06e7acd7 | 4368 | areltdata = bfd_zmalloc (sizeof (struct areltdata)); |
a4e241ca TG |
4369 | areltdata->parsed_size = entry->size; |
4370 | abfd->arelt_data = areltdata; | |
4371 | abfd->iostream = NULL; | |
4372 | abfd->origin = entry->offset; | |
4373 | } | |
4374 | ||
3af9a47b | 4375 | bfd * |
116c20d2 | 4376 | bfd_mach_o_openr_next_archived_file (bfd *archive, bfd *prev) |
3af9a47b | 4377 | { |
e84d6fca | 4378 | mach_o_fat_data_struct *adata; |
3af9a47b NC |
4379 | mach_o_fat_archentry *entry = NULL; |
4380 | unsigned long i; | |
15e1c58a | 4381 | bfd *nbfd; |
15e1c58a TG |
4382 | enum bfd_architecture arch_type; |
4383 | unsigned long arch_subtype; | |
3af9a47b | 4384 | |
e84d6fca | 4385 | adata = (mach_o_fat_data_struct *) archive->tdata.mach_o_fat_data; |
3af9a47b NC |
4386 | BFD_ASSERT (adata != NULL); |
4387 | ||
4388 | /* Find index of previous entry. */ | |
4389 | if (prev == NULL) | |
a4e241ca TG |
4390 | { |
4391 | /* Start at first one. */ | |
4392 | i = 0; | |
4393 | } | |
3af9a47b NC |
4394 | else |
4395 | { | |
a4e241ca | 4396 | /* Find index of PREV. */ |
3af9a47b NC |
4397 | for (i = 0; i < adata->nfat_arch; i++) |
4398 | { | |
15e1c58a | 4399 | if (adata->archentries[i].offset == prev->origin) |
3af9a47b NC |
4400 | break; |
4401 | } | |
4402 | ||
4403 | if (i == adata->nfat_arch) | |
4404 | { | |
4405 | /* Not found. */ | |
4406 | bfd_set_error (bfd_error_bad_value); | |
a95a4550 | 4407 | return NULL; |
3af9a47b | 4408 | } |
a4e241ca TG |
4409 | |
4410 | /* Get next entry. */ | |
4411 | i++; | |
4412 | } | |
a95a4550 | 4413 | |
3af9a47b NC |
4414 | if (i >= adata->nfat_arch) |
4415 | { | |
4416 | bfd_set_error (bfd_error_no_more_archived_files); | |
4417 | return NULL; | |
4418 | } | |
4419 | ||
4420 | entry = &adata->archentries[i]; | |
15e1c58a TG |
4421 | nbfd = _bfd_new_bfd_contained_in (archive); |
4422 | if (nbfd == NULL) | |
4423 | return NULL; | |
4424 | ||
15e1c58a TG |
4425 | bfd_mach_o_convert_architecture (entry->cputype, entry->cpusubtype, |
4426 | &arch_type, &arch_subtype); | |
846b9259 | 4427 | |
a4e241ca TG |
4428 | bfd_mach_o_fat_member_init (nbfd, arch_type, arch_subtype, entry); |
4429 | ||
846b9259 | 4430 | bfd_set_arch_mach (nbfd, arch_type, arch_subtype); |
3af9a47b | 4431 | |
15e1c58a | 4432 | return nbfd; |
3af9a47b NC |
4433 | } |
4434 | ||
15bbba8d TG |
4435 | /* Analogous to stat call. */ |
4436 | ||
4437 | static int | |
4438 | bfd_mach_o_fat_stat_arch_elt (bfd *abfd, struct stat *buf) | |
4439 | { | |
4440 | if (abfd->arelt_data == NULL) | |
4441 | { | |
4442 | bfd_set_error (bfd_error_invalid_operation); | |
4443 | return -1; | |
4444 | } | |
4445 | ||
4446 | buf->st_mtime = 0; | |
4447 | buf->st_uid = 0; | |
4448 | buf->st_gid = 0; | |
4449 | buf->st_mode = 0644; | |
4450 | buf->st_size = arelt_size (abfd); | |
4451 | ||
4452 | return 0; | |
4453 | } | |
4454 | ||
846b9259 TG |
4455 | /* If ABFD format is FORMAT and architecture is ARCH, return it. |
4456 | If ABFD is a fat image containing a member that corresponds to FORMAT | |
4457 | and ARCH, returns it. | |
4458 | In other case, returns NULL. | |
4459 | This function allows transparent uses of fat images. */ | |
a4e241ca | 4460 | |
846b9259 TG |
4461 | bfd * |
4462 | bfd_mach_o_fat_extract (bfd *abfd, | |
4463 | bfd_format format, | |
4464 | const bfd_arch_info_type *arch) | |
4465 | { | |
4466 | bfd *res; | |
4467 | mach_o_fat_data_struct *adata; | |
4468 | unsigned int i; | |
4469 | ||
4470 | if (bfd_check_format (abfd, format)) | |
4471 | { | |
4472 | if (bfd_get_arch_info (abfd) == arch) | |
4473 | return abfd; | |
4474 | return NULL; | |
4475 | } | |
4476 | if (!bfd_check_format (abfd, bfd_archive) | |
4477 | || abfd->xvec != &mach_o_fat_vec) | |
4478 | return NULL; | |
c2f09c75 | 4479 | |
846b9259 TG |
4480 | /* This is a Mach-O fat image. */ |
4481 | adata = (mach_o_fat_data_struct *) abfd->tdata.mach_o_fat_data; | |
4482 | BFD_ASSERT (adata != NULL); | |
4483 | ||
4484 | for (i = 0; i < adata->nfat_arch; i++) | |
4485 | { | |
4486 | struct mach_o_fat_archentry *e = &adata->archentries[i]; | |
4487 | enum bfd_architecture cpu_type; | |
4488 | unsigned long cpu_subtype; | |
4489 | ||
4490 | bfd_mach_o_convert_architecture (e->cputype, e->cpusubtype, | |
4491 | &cpu_type, &cpu_subtype); | |
4492 | if (cpu_type != arch->arch || cpu_subtype != arch->mach) | |
4493 | continue; | |
4494 | ||
4495 | /* The architecture is found. */ | |
4496 | res = _bfd_new_bfd_contained_in (abfd); | |
4497 | if (res == NULL) | |
4498 | return NULL; | |
4499 | ||
a4e241ca | 4500 | bfd_mach_o_fat_member_init (res, cpu_type, cpu_subtype, e); |
846b9259 TG |
4501 | |
4502 | if (bfd_check_format (res, format)) | |
4503 | { | |
4504 | BFD_ASSERT (bfd_get_arch_info (res) == arch); | |
4505 | return res; | |
4506 | } | |
4507 | bfd_close (res); | |
4508 | return NULL; | |
4509 | } | |
4510 | ||
4511 | return NULL; | |
4512 | } | |
4513 | ||
3af9a47b | 4514 | int |
116c20d2 NC |
4515 | bfd_mach_o_lookup_command (bfd *abfd, |
4516 | bfd_mach_o_load_command_type type, | |
4517 | bfd_mach_o_load_command **mcommand) | |
3af9a47b | 4518 | { |
046b007d | 4519 | struct mach_o_data_struct *md = bfd_mach_o_get_data (abfd); |
3af9a47b NC |
4520 | bfd_mach_o_load_command *ncmd = NULL; |
4521 | unsigned int i, num; | |
4522 | ||
3af9a47b NC |
4523 | BFD_ASSERT (md != NULL); |
4524 | BFD_ASSERT (mcommand != NULL); | |
4525 | ||
4526 | num = 0; | |
4527 | for (i = 0; i < md->header.ncmds; i++) | |
4528 | { | |
4529 | struct bfd_mach_o_load_command *cmd = &md->commands[i]; | |
4530 | ||
4531 | if (cmd->type != type) | |
4532 | continue; | |
4533 | ||
4534 | if (num == 0) | |
4535 | ncmd = cmd; | |
4536 | num++; | |
4537 | } | |
4538 | ||
4539 | *mcommand = ncmd; | |
4540 | return num; | |
4541 | } | |
4542 | ||
4543 | unsigned long | |
116c20d2 | 4544 | bfd_mach_o_stack_addr (enum bfd_mach_o_cpu_type type) |
3af9a47b NC |
4545 | { |
4546 | switch (type) | |
4547 | { | |
4548 | case BFD_MACH_O_CPU_TYPE_MC680x0: | |
4549 | return 0x04000000; | |
4550 | case BFD_MACH_O_CPU_TYPE_MC88000: | |
4551 | return 0xffffe000; | |
4552 | case BFD_MACH_O_CPU_TYPE_POWERPC: | |
4553 | return 0xc0000000; | |
4554 | case BFD_MACH_O_CPU_TYPE_I386: | |
4555 | return 0xc0000000; | |
4556 | case BFD_MACH_O_CPU_TYPE_SPARC: | |
4557 | return 0xf0000000; | |
4558 | case BFD_MACH_O_CPU_TYPE_I860: | |
4559 | return 0; | |
4560 | case BFD_MACH_O_CPU_TYPE_HPPA: | |
e84d6fca | 4561 | return 0xc0000000 - 0x04000000; |
3af9a47b NC |
4562 | default: |
4563 | return 0; | |
4564 | } | |
4565 | } | |
4566 | ||
ab76eeaf IS |
4567 | /* The following two tables should be kept, as far as possible, in order of |
4568 | most frequently used entries to optimize their use from gas. */ | |
4569 | ||
c5012cd8 | 4570 | const bfd_mach_o_xlat_name bfd_mach_o_section_type_name[] = |
046b007d TG |
4571 | { |
4572 | { "regular", BFD_MACH_O_S_REGULAR}, | |
ab76eeaf | 4573 | { "coalesced", BFD_MACH_O_S_COALESCED}, |
046b007d TG |
4574 | { "zerofill", BFD_MACH_O_S_ZEROFILL}, |
4575 | { "cstring_literals", BFD_MACH_O_S_CSTRING_LITERALS}, | |
4576 | { "4byte_literals", BFD_MACH_O_S_4BYTE_LITERALS}, | |
4577 | { "8byte_literals", BFD_MACH_O_S_8BYTE_LITERALS}, | |
ab76eeaf | 4578 | { "16byte_literals", BFD_MACH_O_S_16BYTE_LITERALS}, |
046b007d | 4579 | { "literal_pointers", BFD_MACH_O_S_LITERAL_POINTERS}, |
046b007d TG |
4580 | { "mod_init_func_pointers", BFD_MACH_O_S_MOD_INIT_FUNC_POINTERS}, |
4581 | { "mod_fini_func_pointers", BFD_MACH_O_S_MOD_FINI_FUNC_POINTERS}, | |
046b007d TG |
4582 | { "gb_zerofill", BFD_MACH_O_S_GB_ZEROFILL}, |
4583 | { "interposing", BFD_MACH_O_S_INTERPOSING}, | |
046b007d | 4584 | { "dtrace_dof", BFD_MACH_O_S_DTRACE_DOF}, |
ab76eeaf IS |
4585 | { "non_lazy_symbol_pointers", BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS}, |
4586 | { "lazy_symbol_pointers", BFD_MACH_O_S_LAZY_SYMBOL_POINTERS}, | |
a4551119 | 4587 | { "symbol_stubs", BFD_MACH_O_S_SYMBOL_STUBS}, |
046b007d TG |
4588 | { "lazy_dylib_symbol_pointers", BFD_MACH_O_S_LAZY_DYLIB_SYMBOL_POINTERS}, |
4589 | { NULL, 0} | |
4590 | }; | |
4591 | ||
c5012cd8 | 4592 | const bfd_mach_o_xlat_name bfd_mach_o_section_attribute_name[] = |
046b007d | 4593 | { |
ab76eeaf IS |
4594 | { "pure_instructions", BFD_MACH_O_S_ATTR_PURE_INSTRUCTIONS }, |
4595 | { "some_instructions", BFD_MACH_O_S_ATTR_SOME_INSTRUCTIONS }, | |
046b007d TG |
4596 | { "loc_reloc", BFD_MACH_O_S_ATTR_LOC_RELOC }, |
4597 | { "ext_reloc", BFD_MACH_O_S_ATTR_EXT_RELOC }, | |
046b007d | 4598 | { "debug", BFD_MACH_O_S_ATTR_DEBUG }, |
046b007d TG |
4599 | { "live_support", BFD_MACH_O_S_ATTR_LIVE_SUPPORT }, |
4600 | { "no_dead_strip", BFD_MACH_O_S_ATTR_NO_DEAD_STRIP }, | |
4601 | { "strip_static_syms", BFD_MACH_O_S_ATTR_STRIP_STATIC_SYMS }, | |
4602 | { "no_toc", BFD_MACH_O_S_ATTR_NO_TOC }, | |
a4551119 | 4603 | { "self_modifying_code", BFD_MACH_O_S_SELF_MODIFYING_CODE }, |
ab76eeaf | 4604 | { "modifying_code", BFD_MACH_O_S_SELF_MODIFYING_CODE }, |
046b007d TG |
4605 | { NULL, 0} |
4606 | }; | |
4607 | ||
a4551119 | 4608 | /* Get the section type from NAME. Return 256 if NAME is unknown. */ |
53d58d96 TG |
4609 | |
4610 | unsigned int | |
ab76eeaf | 4611 | bfd_mach_o_get_section_type_from_name (bfd *abfd, const char *name) |
53d58d96 | 4612 | { |
afbb9e17 | 4613 | const bfd_mach_o_xlat_name *x; |
ab76eeaf | 4614 | bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd); |
53d58d96 TG |
4615 | |
4616 | for (x = bfd_mach_o_section_type_name; x->name; x++) | |
4617 | if (strcmp (x->name, name) == 0) | |
ab76eeaf IS |
4618 | { |
4619 | /* We found it... does the target support it? */ | |
4620 | if (bed->bfd_mach_o_section_type_valid_for_target == NULL | |
4621 | || bed->bfd_mach_o_section_type_valid_for_target (x->val)) | |
4622 | return x->val; /* OK. */ | |
4623 | else | |
4624 | break; /* Not supported. */ | |
4625 | } | |
a4551119 TG |
4626 | /* Maximum section ID = 0xff. */ |
4627 | return 256; | |
53d58d96 TG |
4628 | } |
4629 | ||
4630 | /* Get the section attribute from NAME. Return -1 if NAME is unknown. */ | |
4631 | ||
4632 | unsigned int | |
4633 | bfd_mach_o_get_section_attribute_from_name (const char *name) | |
4634 | { | |
afbb9e17 | 4635 | const bfd_mach_o_xlat_name *x; |
53d58d96 TG |
4636 | |
4637 | for (x = bfd_mach_o_section_attribute_name; x->name; x++) | |
4638 | if (strcmp (x->name, name) == 0) | |
4639 | return x->val; | |
4640 | return (unsigned int)-1; | |
4641 | } | |
4642 | ||
3af9a47b | 4643 | int |
116c20d2 NC |
4644 | bfd_mach_o_core_fetch_environment (bfd *abfd, |
4645 | unsigned char **rbuf, | |
4646 | unsigned int *rlen) | |
3af9a47b | 4647 | { |
046b007d | 4648 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
3af9a47b NC |
4649 | unsigned long stackaddr = bfd_mach_o_stack_addr (mdata->header.cputype); |
4650 | unsigned int i = 0; | |
4651 | ||
4652 | for (i = 0; i < mdata->header.ncmds; i++) | |
4653 | { | |
4654 | bfd_mach_o_load_command *cur = &mdata->commands[i]; | |
4655 | bfd_mach_o_segment_command *seg = NULL; | |
4656 | ||
4657 | if (cur->type != BFD_MACH_O_LC_SEGMENT) | |
4658 | continue; | |
4659 | ||
4660 | seg = &cur->command.segment; | |
4661 | ||
4662 | if ((seg->vmaddr + seg->vmsize) == stackaddr) | |
4663 | { | |
4664 | unsigned long start = seg->fileoff; | |
4665 | unsigned long end = seg->fileoff + seg->filesize; | |
4666 | unsigned char *buf = bfd_malloc (1024); | |
4667 | unsigned long size = 1024; | |
4668 | ||
4669 | for (;;) | |
4670 | { | |
4671 | bfd_size_type nread = 0; | |
4672 | unsigned long offset; | |
4673 | int found_nonnull = 0; | |
4674 | ||
4675 | if (size > (end - start)) | |
4676 | size = (end - start); | |
4677 | ||
515ef31d NC |
4678 | buf = bfd_realloc_or_free (buf, size); |
4679 | if (buf == NULL) | |
4680 | return -1; | |
c2f09c75 TG |
4681 | |
4682 | if (bfd_seek (abfd, end - size, SEEK_SET) != 0) | |
4683 | { | |
4684 | free (buf); | |
4685 | return -1; | |
4686 | } | |
4687 | ||
3af9a47b | 4688 | nread = bfd_bread (buf, size, abfd); |
a95a4550 | 4689 | |
3af9a47b | 4690 | if (nread != size) |
515ef31d NC |
4691 | { |
4692 | free (buf); | |
4693 | return -1; | |
4694 | } | |
a95a4550 | 4695 | |
3af9a47b NC |
4696 | for (offset = 4; offset <= size; offset += 4) |
4697 | { | |
e84d6fca | 4698 | unsigned long val; |
3af9a47b | 4699 | |
e84d6fca | 4700 | val = *((unsigned long *) (buf + size - offset)); |
3af9a47b NC |
4701 | if (! found_nonnull) |
4702 | { | |
4703 | if (val != 0) | |
4704 | found_nonnull = 1; | |
4705 | } | |
4706 | else if (val == 0x0) | |
4707 | { | |
e84d6fca AM |
4708 | unsigned long bottom; |
4709 | unsigned long top; | |
3af9a47b | 4710 | |
e84d6fca AM |
4711 | bottom = seg->fileoff + seg->filesize - offset; |
4712 | top = seg->fileoff + seg->filesize - 4; | |
3af9a47b NC |
4713 | *rbuf = bfd_malloc (top - bottom); |
4714 | *rlen = top - bottom; | |
4715 | ||
4716 | memcpy (*rbuf, buf + size - *rlen, *rlen); | |
515ef31d | 4717 | free (buf); |
3af9a47b NC |
4718 | return 0; |
4719 | } | |
4720 | } | |
4721 | ||
4722 | if (size == (end - start)) | |
4723 | break; | |
4724 | ||
4725 | size *= 2; | |
4726 | } | |
515ef31d NC |
4727 | |
4728 | free (buf); | |
3af9a47b NC |
4729 | } |
4730 | } | |
4731 | ||
4732 | return -1; | |
4733 | } | |
4734 | ||
4735 | char * | |
116c20d2 | 4736 | bfd_mach_o_core_file_failing_command (bfd *abfd) |
3af9a47b NC |
4737 | { |
4738 | unsigned char *buf = NULL; | |
4739 | unsigned int len = 0; | |
4740 | int ret = -1; | |
4741 | ||
4742 | ret = bfd_mach_o_core_fetch_environment (abfd, &buf, &len); | |
4743 | if (ret < 0) | |
4744 | return NULL; | |
4745 | ||
f075ee0c | 4746 | return (char *) buf; |
3af9a47b NC |
4747 | } |
4748 | ||
4749 | int | |
116c20d2 | 4750 | bfd_mach_o_core_file_failing_signal (bfd *abfd ATTRIBUTE_UNUSED) |
3af9a47b NC |
4751 | { |
4752 | return 0; | |
4753 | } | |
4754 | ||
2ca7691a TG |
4755 | static bfd_mach_o_uuid_command * |
4756 | bfd_mach_o_lookup_uuid_command (bfd *abfd) | |
4757 | { | |
4758 | bfd_mach_o_load_command *uuid_cmd; | |
4759 | int ncmd = bfd_mach_o_lookup_command (abfd, BFD_MACH_O_LC_UUID, &uuid_cmd); | |
4760 | if (ncmd != 1) | |
4761 | return FALSE; | |
4762 | return &uuid_cmd->command.uuid; | |
4763 | } | |
4764 | ||
4765 | /* Return true if ABFD is a dSYM file and its UUID matches UUID_CMD. */ | |
4766 | ||
4767 | static bfd_boolean | |
4768 | bfd_mach_o_dsym_for_uuid_p (bfd *abfd, const bfd_mach_o_uuid_command *uuid_cmd) | |
4769 | { | |
4770 | bfd_mach_o_uuid_command *dsym_uuid_cmd; | |
4771 | ||
4772 | BFD_ASSERT (abfd); | |
4773 | BFD_ASSERT (uuid_cmd); | |
4774 | ||
4775 | if (!bfd_check_format (abfd, bfd_object)) | |
4776 | return FALSE; | |
4777 | ||
4778 | if (bfd_get_flavour (abfd) != bfd_target_mach_o_flavour | |
4779 | || bfd_mach_o_get_data (abfd) == NULL | |
4780 | || bfd_mach_o_get_data (abfd)->header.filetype != BFD_MACH_O_MH_DSYM) | |
4781 | return FALSE; | |
4782 | ||
4783 | dsym_uuid_cmd = bfd_mach_o_lookup_uuid_command (abfd); | |
4784 | if (dsym_uuid_cmd == NULL) | |
4785 | return FALSE; | |
4786 | ||
4787 | if (memcmp (uuid_cmd->uuid, dsym_uuid_cmd->uuid, | |
4788 | sizeof (uuid_cmd->uuid)) != 0) | |
4789 | return FALSE; | |
4790 | ||
4791 | return TRUE; | |
4792 | } | |
4793 | ||
4794 | /* Find a BFD in DSYM_FILENAME which matches ARCH and UUID_CMD. | |
4795 | The caller is responsible for closing the returned BFD object and | |
4796 | its my_archive if the returned BFD is in a fat dSYM. */ | |
4797 | ||
4798 | static bfd * | |
4799 | bfd_mach_o_find_dsym (const char *dsym_filename, | |
4800 | const bfd_mach_o_uuid_command *uuid_cmd, | |
4801 | const bfd_arch_info_type *arch) | |
4802 | { | |
4803 | bfd *base_dsym_bfd, *dsym_bfd; | |
4804 | ||
4805 | BFD_ASSERT (uuid_cmd); | |
4806 | ||
4807 | base_dsym_bfd = bfd_openr (dsym_filename, NULL); | |
4808 | if (base_dsym_bfd == NULL) | |
4809 | return NULL; | |
4810 | ||
4811 | dsym_bfd = bfd_mach_o_fat_extract (base_dsym_bfd, bfd_object, arch); | |
4812 | if (bfd_mach_o_dsym_for_uuid_p (dsym_bfd, uuid_cmd)) | |
4813 | return dsym_bfd; | |
4814 | ||
4815 | bfd_close (dsym_bfd); | |
4816 | if (base_dsym_bfd != dsym_bfd) | |
4817 | bfd_close (base_dsym_bfd); | |
4818 | ||
4819 | return NULL; | |
4820 | } | |
4821 | ||
4822 | /* Return a BFD created from a dSYM file for ABFD. | |
4823 | The caller is responsible for closing the returned BFD object, its | |
4824 | filename, and its my_archive if the returned BFD is in a fat dSYM. */ | |
4825 | ||
4826 | static bfd * | |
4827 | bfd_mach_o_follow_dsym (bfd *abfd) | |
4828 | { | |
4829 | char *dsym_filename; | |
4830 | bfd_mach_o_uuid_command *uuid_cmd; | |
4831 | bfd *dsym_bfd, *base_bfd = abfd; | |
4832 | const char *base_basename; | |
4833 | ||
4834 | if (abfd == NULL || bfd_get_flavour (abfd) != bfd_target_mach_o_flavour) | |
4835 | return NULL; | |
4836 | ||
4837 | if (abfd->my_archive) | |
4838 | base_bfd = abfd->my_archive; | |
4839 | /* BFD may have been opened from a stream. */ | |
4840 | if (base_bfd->filename == NULL) | |
4841 | { | |
4842 | bfd_set_error (bfd_error_invalid_operation); | |
4843 | return NULL; | |
4844 | } | |
4845 | base_basename = lbasename (base_bfd->filename); | |
4846 | ||
4847 | uuid_cmd = bfd_mach_o_lookup_uuid_command (abfd); | |
4848 | if (uuid_cmd == NULL) | |
4849 | return NULL; | |
4850 | ||
4851 | /* TODO: We assume the DWARF file has the same as the binary's. | |
4852 | It seems apple's GDB checks all files in the dSYM bundle directory. | |
4853 | http://opensource.apple.com/source/gdb/gdb-1708/src/gdb/macosx/macosx-tdep.c | |
4854 | */ | |
4855 | dsym_filename = (char *)bfd_malloc (strlen (base_bfd->filename) | |
4856 | + strlen (dsym_subdir) + 1 | |
4857 | + strlen (base_basename) + 1); | |
4858 | sprintf (dsym_filename, "%s%s/%s", | |
4859 | base_bfd->filename, dsym_subdir, base_basename); | |
4860 | ||
4861 | dsym_bfd = bfd_mach_o_find_dsym (dsym_filename, uuid_cmd, | |
4862 | bfd_get_arch_info (abfd)); | |
4863 | if (dsym_bfd == NULL) | |
4864 | free (dsym_filename); | |
4865 | ||
4866 | return dsym_bfd; | |
4867 | } | |
4868 | ||
d9071b0c TG |
4869 | bfd_boolean |
4870 | bfd_mach_o_find_nearest_line (bfd *abfd, | |
4871 | asection *section, | |
4872 | asymbol **symbols, | |
4873 | bfd_vma offset, | |
4874 | const char **filename_ptr, | |
4875 | const char **functionname_ptr, | |
4876 | unsigned int *line_ptr) | |
4877 | { | |
4878 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
2ca7691a | 4879 | if (mdata == NULL) |
d9071b0c | 4880 | return FALSE; |
2ca7691a TG |
4881 | switch (mdata->header.filetype) |
4882 | { | |
4883 | case BFD_MACH_O_MH_OBJECT: | |
4884 | break; | |
4885 | case BFD_MACH_O_MH_EXECUTE: | |
4886 | case BFD_MACH_O_MH_DYLIB: | |
4887 | case BFD_MACH_O_MH_BUNDLE: | |
4888 | case BFD_MACH_O_MH_KEXT_BUNDLE: | |
4889 | if (mdata->dwarf2_find_line_info == NULL) | |
4890 | { | |
4891 | mdata->dsym_bfd = bfd_mach_o_follow_dsym (abfd); | |
4892 | /* When we couldn't find dSYM for this binary, we look for | |
4893 | the debug information in the binary itself. In this way, | |
4894 | we won't try finding separated dSYM again because | |
4895 | mdata->dwarf2_find_line_info will be filled. */ | |
4896 | if (! mdata->dsym_bfd) | |
4897 | break; | |
4898 | if (! _bfd_dwarf2_slurp_debug_info (abfd, mdata->dsym_bfd, | |
4899 | dwarf_debug_sections, symbols, | |
4900 | &mdata->dwarf2_find_line_info)) | |
4901 | return FALSE; | |
4902 | } | |
4903 | break; | |
4904 | default: | |
4905 | return FALSE; | |
4906 | } | |
d9071b0c TG |
4907 | if (_bfd_dwarf2_find_nearest_line (abfd, dwarf_debug_sections, |
4908 | section, symbols, offset, | |
4909 | filename_ptr, functionname_ptr, | |
9b8d1a36 | 4910 | line_ptr, NULL, 0, |
d9071b0c TG |
4911 | &mdata->dwarf2_find_line_info)) |
4912 | return TRUE; | |
4913 | return FALSE; | |
4914 | } | |
4915 | ||
4916 | bfd_boolean | |
4917 | bfd_mach_o_close_and_cleanup (bfd *abfd) | |
4918 | { | |
4919 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
4920 | if (bfd_get_format (abfd) == bfd_object && mdata != NULL) | |
4434114c TG |
4921 | { |
4922 | _bfd_dwarf2_cleanup_debug_info (abfd, &mdata->dwarf2_find_line_info); | |
4923 | bfd_mach_o_free_cached_info (abfd); | |
2ca7691a TG |
4924 | if (mdata->dsym_bfd != NULL) |
4925 | { | |
4926 | bfd *fat_bfd = mdata->dsym_bfd->my_archive; | |
4927 | char *dsym_filename = (char *)(fat_bfd | |
4928 | ? fat_bfd->filename | |
4929 | : mdata->dsym_bfd->filename); | |
4930 | bfd_close (mdata->dsym_bfd); | |
4931 | mdata->dsym_bfd = NULL; | |
4932 | if (fat_bfd) | |
4933 | bfd_close (fat_bfd); | |
4934 | free (dsym_filename); | |
4935 | } | |
4434114c | 4936 | } |
dff55db0 | 4937 | |
8c746b96 AM |
4938 | if (bfd_get_format (abfd) == bfd_archive |
4939 | && abfd->xvec == &mach_o_fat_vec) | |
4940 | return TRUE; | |
d9071b0c TG |
4941 | return _bfd_generic_close_and_cleanup (abfd); |
4942 | } | |
4943 | ||
dff55db0 TG |
4944 | bfd_boolean bfd_mach_o_free_cached_info (bfd *abfd) |
4945 | { | |
4946 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
4947 | asection *asect; | |
4948 | free (mdata->dyn_reloc_cache); | |
4949 | mdata->dyn_reloc_cache = NULL; | |
4950 | for (asect = abfd->sections; asect != NULL; asect = asect->next) | |
4951 | { | |
4952 | free (asect->relocation); | |
4953 | asect->relocation = NULL; | |
4954 | } | |
4955 | ||
4956 | return TRUE; | |
4957 | } | |
4958 | ||
68ffbac6 | 4959 | #define bfd_mach_o_bfd_reloc_type_lookup _bfd_norelocs_bfd_reloc_type_lookup |
92bc0e80 TG |
4960 | #define bfd_mach_o_bfd_reloc_name_lookup _bfd_norelocs_bfd_reloc_name_lookup |
4961 | ||
4962 | #define bfd_mach_o_swap_reloc_in NULL | |
4963 | #define bfd_mach_o_swap_reloc_out NULL | |
b32e07d7 | 4964 | #define bfd_mach_o_print_thread NULL |
a4551119 | 4965 | #define bfd_mach_o_tgt_seg_table NULL |
ab76eeaf | 4966 | #define bfd_mach_o_section_type_valid_for_tgt NULL |
92bc0e80 | 4967 | |
116c20d2 NC |
4968 | #define TARGET_NAME mach_o_be_vec |
4969 | #define TARGET_STRING "mach-o-be" | |
42fa0891 | 4970 | #define TARGET_ARCHITECTURE bfd_arch_unknown |
116c20d2 NC |
4971 | #define TARGET_BIG_ENDIAN 1 |
4972 | #define TARGET_ARCHIVE 0 | |
b93a1992 | 4973 | #define TARGET_PRIORITY 1 |
3af9a47b NC |
4974 | #include "mach-o-target.c" |
4975 | ||
4976 | #undef TARGET_NAME | |
4977 | #undef TARGET_STRING | |
42fa0891 | 4978 | #undef TARGET_ARCHITECTURE |
3af9a47b NC |
4979 | #undef TARGET_BIG_ENDIAN |
4980 | #undef TARGET_ARCHIVE | |
b93a1992 | 4981 | #undef TARGET_PRIORITY |
3af9a47b | 4982 | |
116c20d2 NC |
4983 | #define TARGET_NAME mach_o_le_vec |
4984 | #define TARGET_STRING "mach-o-le" | |
42fa0891 | 4985 | #define TARGET_ARCHITECTURE bfd_arch_unknown |
116c20d2 NC |
4986 | #define TARGET_BIG_ENDIAN 0 |
4987 | #define TARGET_ARCHIVE 0 | |
b93a1992 | 4988 | #define TARGET_PRIORITY 1 |
3af9a47b NC |
4989 | |
4990 | #include "mach-o-target.c" | |
4991 | ||
4992 | #undef TARGET_NAME | |
4993 | #undef TARGET_STRING | |
42fa0891 | 4994 | #undef TARGET_ARCHITECTURE |
3af9a47b NC |
4995 | #undef TARGET_BIG_ENDIAN |
4996 | #undef TARGET_ARCHIVE | |
b93a1992 | 4997 | #undef TARGET_PRIORITY |
3af9a47b | 4998 | |
8f95b6e4 TG |
4999 | /* Not yet handled: creating an archive. */ |
5000 | #define bfd_mach_o_mkarchive _bfd_noarchive_mkarchive | |
5001 | ||
5002 | /* Not used. */ | |
5003 | #define bfd_mach_o_read_ar_hdr _bfd_noarchive_read_ar_hdr | |
5004 | #define bfd_mach_o_write_ar_hdr _bfd_noarchive_write_ar_hdr | |
5005 | #define bfd_mach_o_slurp_armap _bfd_noarchive_slurp_armap | |
5006 | #define bfd_mach_o_slurp_extended_name_table _bfd_noarchive_slurp_extended_name_table | |
5007 | #define bfd_mach_o_construct_extended_name_table _bfd_noarchive_construct_extended_name_table | |
5008 | #define bfd_mach_o_truncate_arname _bfd_noarchive_truncate_arname | |
5009 | #define bfd_mach_o_write_armap _bfd_noarchive_write_armap | |
5010 | #define bfd_mach_o_get_elt_at_index _bfd_noarchive_get_elt_at_index | |
15bbba8d | 5011 | #define bfd_mach_o_generic_stat_arch_elt bfd_mach_o_fat_stat_arch_elt |
8f95b6e4 TG |
5012 | #define bfd_mach_o_update_armap_timestamp _bfd_noarchive_update_armap_timestamp |
5013 | ||
116c20d2 NC |
5014 | #define TARGET_NAME mach_o_fat_vec |
5015 | #define TARGET_STRING "mach-o-fat" | |
42fa0891 | 5016 | #define TARGET_ARCHITECTURE bfd_arch_unknown |
116c20d2 NC |
5017 | #define TARGET_BIG_ENDIAN 1 |
5018 | #define TARGET_ARCHIVE 1 | |
b93a1992 | 5019 | #define TARGET_PRIORITY 0 |
3af9a47b NC |
5020 | |
5021 | #include "mach-o-target.c" | |
5022 | ||
5023 | #undef TARGET_NAME | |
5024 | #undef TARGET_STRING | |
42fa0891 | 5025 | #undef TARGET_ARCHITECTURE |
3af9a47b NC |
5026 | #undef TARGET_BIG_ENDIAN |
5027 | #undef TARGET_ARCHIVE | |
b93a1992 | 5028 | #undef TARGET_PRIORITY |