Commit | Line | Data |
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3af9a47b | 1 | /* Mach-O support for BFD. |
4f608e79 | 2 | Copyright 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, |
7f307238 | 3 | 2009, 2010, 2011, 2012 |
3af9a47b NC |
4 | Free Software Foundation, Inc. |
5 | ||
6 | This file is part of BFD, the Binary File Descriptor library. | |
7 | ||
8 | This program is free software; you can redistribute it and/or modify | |
9 | it under the terms of the GNU General Public License as published by | |
cd123cb7 | 10 | the Free Software Foundation; either version 3 of the License, or |
3af9a47b NC |
11 | (at your option) any later version. |
12 | ||
13 | This program is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
a95a4550 | 19 | along with this program; if not, write to the Free Software |
cd123cb7 NC |
20 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
21 | MA 02110-1301, USA. */ | |
3af9a47b | 22 | |
3db64b00 | 23 | #include "sysdep.h" |
3af9a47b NC |
24 | #include "mach-o.h" |
25 | #include "bfd.h" | |
3af9a47b NC |
26 | #include "libbfd.h" |
27 | #include "libiberty.h" | |
15e1c58a | 28 | #include "aout/stab_gnu.h" |
46d1c23b TG |
29 | #include "mach-o/reloc.h" |
30 | #include "mach-o/external.h" | |
3af9a47b | 31 | #include <ctype.h> |
7f307238 IS |
32 | #include <stdlib.h> |
33 | #include <string.h> | |
3af9a47b | 34 | |
154a1ee5 TG |
35 | #define bfd_mach_o_object_p bfd_mach_o_gen_object_p |
36 | #define bfd_mach_o_core_p bfd_mach_o_gen_core_p | |
42fa0891 | 37 | #define bfd_mach_o_mkobject bfd_mach_o_gen_mkobject |
116c20d2 | 38 | |
92bc0e80 TG |
39 | #define FILE_ALIGN(off, algn) \ |
40 | (((off) + ((file_ptr) 1 << (algn)) - 1) & ((file_ptr) -1 << (algn))) | |
41 | ||
c2f09c75 | 42 | unsigned int |
1e8a024a TG |
43 | bfd_mach_o_version (bfd *abfd) |
44 | { | |
45 | bfd_mach_o_data_struct *mdata = NULL; | |
46 | ||
47 | BFD_ASSERT (bfd_mach_o_valid (abfd)); | |
046b007d | 48 | mdata = bfd_mach_o_get_data (abfd); |
1e8a024a TG |
49 | |
50 | return mdata->header.version; | |
51 | } | |
52 | ||
b34976b6 | 53 | bfd_boolean |
116c20d2 | 54 | bfd_mach_o_valid (bfd *abfd) |
3af9a47b NC |
55 | { |
56 | if (abfd == NULL || abfd->xvec == NULL) | |
154a1ee5 | 57 | return FALSE; |
3af9a47b | 58 | |
154a1ee5 TG |
59 | if (abfd->xvec->flavour != bfd_target_mach_o_flavour) |
60 | return FALSE; | |
3af9a47b | 61 | |
046b007d | 62 | if (bfd_mach_o_get_data (abfd) == NULL) |
154a1ee5 TG |
63 | return FALSE; |
64 | return TRUE; | |
65 | } | |
66 | ||
c2f09c75 TG |
67 | static INLINE bfd_boolean |
68 | mach_o_wide_p (bfd_mach_o_header *header) | |
69 | { | |
70 | switch (header->version) | |
71 | { | |
72 | case 1: | |
73 | return FALSE; | |
74 | case 2: | |
75 | return TRUE; | |
76 | default: | |
77 | BFD_FAIL (); | |
78 | return FALSE; | |
79 | } | |
80 | } | |
81 | ||
82 | static INLINE bfd_boolean | |
83 | bfd_mach_o_wide_p (bfd *abfd) | |
84 | { | |
046b007d | 85 | return mach_o_wide_p (&bfd_mach_o_get_data (abfd)->header); |
c2f09c75 | 86 | } |
68ffbac6 | 87 | |
154a1ee5 TG |
88 | /* Tables to translate well known Mach-O segment/section names to bfd |
89 | names. Use of canonical names (such as .text or .debug_frame) is required | |
90 | by gdb. */ | |
91 | ||
a4551119 TG |
92 | /* __TEXT Segment. */ |
93 | static const mach_o_section_name_xlat text_section_names_xlat[] = | |
154a1ee5 | 94 | { |
68ffbac6 | 95 | { ".text", "__text", |
a4551119 TG |
96 | SEC_CODE | SEC_LOAD, BFD_MACH_O_S_REGULAR, |
97 | BFD_MACH_O_S_ATTR_PURE_INSTRUCTIONS, 0}, | |
98 | { ".const", "__const", | |
99 | SEC_READONLY | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
100 | BFD_MACH_O_S_ATTR_NONE, 0}, | |
101 | { ".static_const", "__static_const", | |
102 | SEC_READONLY | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
103 | BFD_MACH_O_S_ATTR_NONE, 0}, | |
104 | { ".cstring", "__cstring", | |
105 | SEC_READONLY | SEC_DATA | SEC_LOAD | SEC_MERGE | SEC_STRINGS, | |
106 | BFD_MACH_O_S_CSTRING_LITERALS, | |
107 | BFD_MACH_O_S_ATTR_NONE, 0}, | |
108 | { ".literal4", "__literal4", | |
109 | SEC_READONLY | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_4BYTE_LITERALS, | |
110 | BFD_MACH_O_S_ATTR_NONE, 2}, | |
111 | { ".literal8", "__literal8", | |
112 | SEC_READONLY | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_8BYTE_LITERALS, | |
113 | BFD_MACH_O_S_ATTR_NONE, 3}, | |
114 | { ".literal16", "__literal16", | |
115 | SEC_READONLY | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_16BYTE_LITERALS, | |
116 | BFD_MACH_O_S_ATTR_NONE, 4}, | |
117 | { ".constructor", "__constructor", | |
118 | SEC_CODE | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
119 | BFD_MACH_O_S_ATTR_NONE, 0}, | |
120 | { ".destructor", "__destructor", | |
121 | SEC_CODE | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
122 | BFD_MACH_O_S_ATTR_NONE, 0}, | |
123 | { ".eh_frame", "__eh_frame", | |
632039e0 | 124 | SEC_READONLY | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_COALESCED, |
a4551119 TG |
125 | BFD_MACH_O_S_ATTR_LIVE_SUPPORT |
126 | | BFD_MACH_O_S_ATTR_STRIP_STATIC_SYMS | |
632039e0 | 127 | | BFD_MACH_O_S_ATTR_NO_TOC, 2}, |
a4551119 | 128 | { NULL, NULL, 0, 0, 0, 0} |
154a1ee5 TG |
129 | }; |
130 | ||
a4551119 TG |
131 | /* __DATA Segment. */ |
132 | static const mach_o_section_name_xlat data_section_names_xlat[] = | |
154a1ee5 | 133 | { |
a4551119 TG |
134 | { ".data", "__data", |
135 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
136 | BFD_MACH_O_S_ATTR_NONE, 0}, | |
137 | { ".bss", "__bss", | |
138 | SEC_NO_FLAGS, BFD_MACH_O_S_ZEROFILL, | |
139 | BFD_MACH_O_S_ATTR_NONE, 0}, | |
140 | { ".const_data", "__const", | |
141 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
142 | BFD_MACH_O_S_ATTR_NONE, 0}, | |
143 | { ".static_data", "__static_data", | |
144 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
145 | BFD_MACH_O_S_ATTR_NONE, 0}, | |
146 | { ".mod_init_func", "__mod_init_func", | |
147 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_MOD_INIT_FUNC_POINTERS, | |
148 | BFD_MACH_O_S_ATTR_NONE, 2}, | |
149 | { ".mod_term_func", "__mod_term_func", | |
150 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_MOD_FINI_FUNC_POINTERS, | |
151 | BFD_MACH_O_S_ATTR_NONE, 2}, | |
152 | { ".dyld", "__dyld", | |
153 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
154 | BFD_MACH_O_S_ATTR_NONE, 0}, | |
155 | { ".cfstring", "__cfstring", | |
156 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
157 | BFD_MACH_O_S_ATTR_NONE, 2}, | |
158 | { NULL, NULL, 0, 0, 0, 0} | |
154a1ee5 TG |
159 | }; |
160 | ||
a4551119 TG |
161 | /* __DWARF Segment. */ |
162 | static const mach_o_section_name_xlat dwarf_section_names_xlat[] = | |
154a1ee5 | 163 | { |
a4551119 TG |
164 | { ".debug_frame", "__debug_frame", |
165 | SEC_DEBUGGING, BFD_MACH_O_S_REGULAR, | |
166 | BFD_MACH_O_S_ATTR_DEBUG, 0}, | |
167 | { ".debug_info", "__debug_info", | |
168 | SEC_DEBUGGING, BFD_MACH_O_S_REGULAR, | |
169 | BFD_MACH_O_S_ATTR_DEBUG, 0}, | |
170 | { ".debug_abbrev", "__debug_abbrev", | |
171 | SEC_DEBUGGING, BFD_MACH_O_S_REGULAR, | |
172 | BFD_MACH_O_S_ATTR_DEBUG, 0}, | |
173 | { ".debug_aranges", "__debug_aranges", | |
174 | SEC_DEBUGGING, BFD_MACH_O_S_REGULAR, | |
175 | BFD_MACH_O_S_ATTR_DEBUG, 0}, | |
176 | { ".debug_macinfo", "__debug_macinfo", | |
177 | SEC_DEBUGGING, BFD_MACH_O_S_REGULAR, | |
178 | BFD_MACH_O_S_ATTR_DEBUG, 0}, | |
179 | { ".debug_line", "__debug_line", | |
180 | SEC_DEBUGGING, BFD_MACH_O_S_REGULAR, | |
181 | BFD_MACH_O_S_ATTR_DEBUG, 0}, | |
182 | { ".debug_loc", "__debug_loc", | |
183 | SEC_DEBUGGING, BFD_MACH_O_S_REGULAR, | |
184 | BFD_MACH_O_S_ATTR_DEBUG, 0}, | |
185 | { ".debug_pubnames", "__debug_pubnames", | |
186 | SEC_DEBUGGING, BFD_MACH_O_S_REGULAR, | |
187 | BFD_MACH_O_S_ATTR_DEBUG, 0}, | |
188 | { ".debug_pubtypes", "__debug_pubtypes", | |
189 | SEC_DEBUGGING, BFD_MACH_O_S_REGULAR, | |
190 | BFD_MACH_O_S_ATTR_DEBUG, 0}, | |
191 | { ".debug_str", "__debug_str", | |
192 | SEC_DEBUGGING, BFD_MACH_O_S_REGULAR, | |
193 | BFD_MACH_O_S_ATTR_DEBUG, 0}, | |
194 | { ".debug_ranges", "__debug_ranges", | |
195 | SEC_DEBUGGING, BFD_MACH_O_S_REGULAR, | |
196 | BFD_MACH_O_S_ATTR_DEBUG, 0}, | |
197 | { ".debug_macro", "__debug_macro", | |
198 | SEC_DEBUGGING, BFD_MACH_O_S_REGULAR, | |
199 | BFD_MACH_O_S_ATTR_DEBUG, 0}, | |
200 | { NULL, NULL, 0, 0, 0, 0} | |
154a1ee5 TG |
201 | }; |
202 | ||
a4551119 TG |
203 | /* __OBJC Segment. */ |
204 | static const mach_o_section_name_xlat objc_section_names_xlat[] = | |
205 | { | |
206 | { ".objc_class", "__class", | |
207 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
208 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
209 | { ".objc_meta_class", "__meta_class", | |
210 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
211 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
212 | { ".objc_cat_cls_meth", "__cat_cls_meth", | |
213 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
214 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
215 | { ".objc_cat_inst_meth", "__cat_inst_meth", | |
216 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
217 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
218 | { ".objc_protocol", "__protocol", | |
219 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
220 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
221 | { ".objc_string_object", "__string_object", | |
222 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
223 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
224 | { ".objc_cls_meth", "__cls_meth", | |
225 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
226 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
227 | { ".objc_inst_meth", "__inst_meth", | |
228 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
229 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
230 | { ".objc_cls_refs", "__cls_refs", | |
231 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_LITERAL_POINTERS, | |
232 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
233 | { ".objc_message_refs", "__message_refs", | |
234 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_LITERAL_POINTERS, | |
235 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
236 | { ".objc_symbols", "__symbols", | |
237 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
238 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
239 | { ".objc_category", "__category", | |
240 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
241 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
242 | { ".objc_class_vars", "__class_vars", | |
243 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
244 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
245 | { ".objc_instance_vars", "__instance_vars", | |
246 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
247 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
248 | { ".objc_module_info", "__module_info", | |
249 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
250 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
251 | { ".objc_selector_strs", "__selector_strs", | |
252 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_CSTRING_LITERALS, | |
253 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
254 | { ".objc_image_info", "__image_info", | |
255 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
256 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
257 | { ".objc_selector_fixup", "__sel_fixup", | |
258 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
259 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
260 | /* Objc V1 */ | |
261 | { ".objc1_class_ext", "__class_ext", | |
262 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
263 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
264 | { ".objc1_property_list", "__property", | |
265 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
266 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
267 | { ".objc1_protocol_ext", "__protocol_ext", | |
268 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
269 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
270 | { NULL, NULL, 0, 0, 0, 0} | |
271 | }; | |
5a5cbf72 | 272 | |
a4551119 | 273 | static const mach_o_segment_name_xlat segsec_names_xlat[] = |
154a1ee5 | 274 | { |
154a1ee5 TG |
275 | { "__TEXT", text_section_names_xlat }, |
276 | { "__DATA", data_section_names_xlat }, | |
5a5cbf72 | 277 | { "__DWARF", dwarf_section_names_xlat }, |
a4551119 | 278 | { "__OBJC", objc_section_names_xlat }, |
154a1ee5 TG |
279 | { NULL, NULL } |
280 | }; | |
281 | ||
2ca7691a TG |
282 | static const char dsym_subdir[] = ".dSYM/Contents/Resources/DWARF"; |
283 | ||
a4551119 TG |
284 | /* For both cases bfd-name => mach-o name and vice versa, the specific target |
285 | is checked before the generic. This allows a target (e.g. ppc for cstring) | |
286 | to override the generic definition with a more specific one. */ | |
154a1ee5 | 287 | |
a4551119 TG |
288 | /* Fetch the translation from a Mach-O section designation (segment, section) |
289 | as a bfd short name, if one exists. Otherwise return NULL. | |
68ffbac6 | 290 | |
a4551119 TG |
291 | Allow the segment and section names to be unterminated 16 byte arrays. */ |
292 | ||
293 | const mach_o_section_name_xlat * | |
294 | bfd_mach_o_section_data_for_mach_sect (bfd *abfd, const char *segname, | |
295 | const char *sectname) | |
154a1ee5 TG |
296 | { |
297 | const struct mach_o_segment_name_xlat *seg; | |
a4551119 TG |
298 | const mach_o_section_name_xlat *sec; |
299 | bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd); | |
154a1ee5 | 300 | |
a4551119 TG |
301 | /* First try any target-specific translations defined... */ |
302 | if (bed->segsec_names_xlat) | |
303 | for (seg = bed->segsec_names_xlat; seg->segname; seg++) | |
304 | if (strncmp (seg->segname, segname, BFD_MACH_O_SEGNAME_SIZE) == 0) | |
305 | for (sec = seg->sections; sec->mach_o_name; sec++) | |
306 | if (strncmp (sec->mach_o_name, sectname, | |
307 | BFD_MACH_O_SECTNAME_SIZE) == 0) | |
308 | return sec; | |
8462aec7 | 309 | |
a4551119 | 310 | /* ... and then the Mach-O generic ones. */ |
154a1ee5 | 311 | for (seg = segsec_names_xlat; seg->segname; seg++) |
a4551119 TG |
312 | if (strncmp (seg->segname, segname, BFD_MACH_O_SEGNAME_SIZE) == 0) |
313 | for (sec = seg->sections; sec->mach_o_name; sec++) | |
314 | if (strncmp (sec->mach_o_name, sectname, | |
315 | BFD_MACH_O_SECTNAME_SIZE) == 0) | |
316 | return sec; | |
154a1ee5 | 317 | |
68ffbac6 | 318 | return NULL; |
53d58d96 TG |
319 | } |
320 | ||
a4551119 | 321 | /* If the bfd_name for this section is a 'canonical' form for which we |
68ffbac6 | 322 | know the Mach-O data, return the segment name and the data for the |
a4551119 | 323 | Mach-O equivalent. Otherwise return NULL. */ |
7ba695a9 | 324 | |
a4551119 TG |
325 | const mach_o_section_name_xlat * |
326 | bfd_mach_o_section_data_for_bfd_name (bfd *abfd, const char *bfd_name, | |
327 | const char **segname) | |
53d58d96 | 328 | { |
a4551119 TG |
329 | const struct mach_o_segment_name_xlat *seg; |
330 | const mach_o_section_name_xlat *sec; | |
331 | bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd); | |
332 | *segname = NULL; | |
333 | ||
334 | if (bfd_name[0] != '.') | |
335 | return NULL; | |
336 | ||
337 | /* First try any target-specific translations defined... */ | |
338 | if (bed->segsec_names_xlat) | |
339 | for (seg = bed->segsec_names_xlat; seg->segname; seg++) | |
340 | for (sec = seg->sections; sec->bfd_name; sec++) | |
341 | if (strcmp (bfd_name, sec->bfd_name) == 0) | |
342 | { | |
343 | *segname = seg->segname; | |
344 | return sec; | |
345 | } | |
346 | ||
347 | /* ... and then the Mach-O generic ones. */ | |
348 | for (seg = segsec_names_xlat; seg->segname; seg++) | |
349 | for (sec = seg->sections; sec->bfd_name; sec++) | |
350 | if (strcmp (bfd_name, sec->bfd_name) == 0) | |
351 | { | |
352 | *segname = seg->segname; | |
353 | return sec; | |
354 | } | |
355 | ||
68ffbac6 | 356 | return NULL; |
a4551119 TG |
357 | } |
358 | ||
359 | /* Convert Mach-O section name to BFD. | |
360 | ||
68ffbac6 | 361 | Try to use standard/canonical names, for which we have tables including |
a4551119 TG |
362 | default flag settings - which are returned. Otherwise forge a new name |
363 | in the form "<segmentname>.<sectionname>" this will be prefixed with | |
364 | LC_SEGMENT. if the segment name does not begin with an underscore. | |
365 | ||
366 | SEGNAME and SECTNAME are 16 byte arrays (they do not need to be NUL- | |
367 | terminated if the name length is exactly 16 bytes - but must be if the name | |
368 | length is less than 16 characters). */ | |
369 | ||
370 | void | |
371 | bfd_mach_o_convert_section_name_to_bfd (bfd *abfd, const char *segname, | |
372 | const char *secname, const char **name, | |
373 | flagword *flags) | |
374 | { | |
375 | const mach_o_section_name_xlat *xlat; | |
53d58d96 TG |
376 | char *res; |
377 | unsigned int len; | |
378 | const char *pfx = ""; | |
379 | ||
a4551119 TG |
380 | *name = NULL; |
381 | *flags = SEC_NO_FLAGS; | |
53d58d96 | 382 | |
68ffbac6 | 383 | /* First search for a canonical name... |
a4551119 TG |
384 | xlat will be non-null if there is an entry for segname, secname. */ |
385 | xlat = bfd_mach_o_section_data_for_mach_sect (abfd, segname, secname); | |
386 | if (xlat) | |
387 | { | |
388 | len = strlen (xlat->bfd_name); | |
389 | res = bfd_alloc (abfd, len+1); | |
390 | if (res == NULL) | |
391 | return; | |
392 | memcpy (res, xlat->bfd_name, len+1); | |
393 | *name = res; | |
394 | *flags = xlat->bfd_flags; | |
395 | return; | |
396 | } | |
397 | ||
398 | /* ... else we make up a bfd name from the segment concatenated with the | |
399 | section. */ | |
154a1ee5 | 400 | |
7ba695a9 | 401 | len = 16 + 1 + 16 + 1; |
154a1ee5 | 402 | |
c2f09c75 TG |
403 | /* Put "LC_SEGMENT." prefix if the segment name is weird (ie doesn't start |
404 | with an underscore. */ | |
f1bde64c | 405 | if (segname[0] != '_') |
c2f09c75 TG |
406 | { |
407 | static const char seg_pfx[] = "LC_SEGMENT."; | |
408 | ||
409 | pfx = seg_pfx; | |
410 | len += sizeof (seg_pfx) - 1; | |
411 | } | |
412 | ||
154a1ee5 TG |
413 | res = bfd_alloc (abfd, len); |
414 | if (res == NULL) | |
8462aec7 | 415 | return; |
a4551119 | 416 | snprintf (res, len, "%s%.16s.%.16s", pfx, segname, secname); |
8462aec7 | 417 | *name = res; |
154a1ee5 TG |
418 | } |
419 | ||
a4551119 | 420 | /* Convert a bfd section name to a Mach-O segment + section name. |
154a1ee5 | 421 | |
a4551119 TG |
422 | If the name is a canonical one for which we have a Darwin match |
423 | return the translation table - which contains defaults for flags, | |
424 | type, attribute and default alignment data. | |
425 | ||
68ffbac6 | 426 | Otherwise, expand the bfd_name (assumed to be in the form |
a4551119 TG |
427 | "[LC_SEGMENT.]<segmentname>.<sectionname>") and return NULL. */ |
428 | ||
429 | static const mach_o_section_name_xlat * | |
154a1ee5 TG |
430 | bfd_mach_o_convert_section_name_to_mach_o (bfd *abfd ATTRIBUTE_UNUSED, |
431 | asection *sect, | |
432 | bfd_mach_o_section *section) | |
433 | { | |
a4551119 | 434 | const mach_o_section_name_xlat *xlat; |
154a1ee5 | 435 | const char *name = bfd_get_section_name (abfd, sect); |
a4551119 | 436 | const char *segname; |
154a1ee5 TG |
437 | const char *dot; |
438 | unsigned int len; | |
439 | unsigned int seglen; | |
440 | unsigned int seclen; | |
441 | ||
a4551119 TG |
442 | memset (section->segname, 0, BFD_MACH_O_SEGNAME_SIZE + 1); |
443 | memset (section->sectname, 0, BFD_MACH_O_SECTNAME_SIZE + 1); | |
444 | ||
445 | /* See if is a canonical name ... */ | |
446 | xlat = bfd_mach_o_section_data_for_bfd_name (abfd, name, &segname); | |
447 | if (xlat) | |
448 | { | |
449 | strcpy (section->segname, segname); | |
450 | strcpy (section->sectname, xlat->mach_o_name); | |
451 | return xlat; | |
452 | } | |
154a1ee5 | 453 | |
a4551119 TG |
454 | /* .. else we convert our constructed one back to Mach-O. |
455 | Strip LC_SEGMENT. prefix, if present. */ | |
154a1ee5 TG |
456 | if (strncmp (name, "LC_SEGMENT.", 11) == 0) |
457 | name += 11; | |
458 | ||
459 | /* Find a dot. */ | |
460 | dot = strchr (name, '.'); | |
461 | len = strlen (name); | |
462 | ||
463 | /* Try to split name into segment and section names. */ | |
464 | if (dot && dot != name) | |
465 | { | |
466 | seglen = dot - name; | |
467 | seclen = len - (dot + 1 - name); | |
468 | ||
469 | if (seglen < 16 && seclen < 16) | |
470 | { | |
471 | memcpy (section->segname, name, seglen); | |
472 | section->segname[seglen] = 0; | |
473 | memcpy (section->sectname, dot + 1, seclen); | |
474 | section->sectname[seclen] = 0; | |
a4551119 | 475 | return NULL; |
154a1ee5 TG |
476 | } |
477 | } | |
478 | ||
a4551119 TG |
479 | /* The segment and section names are both missing - don't make them |
480 | into dots. */ | |
481 | if (dot && dot == name) | |
482 | return NULL; | |
483 | ||
484 | /* Just duplicate the name into both segment and section. */ | |
154a1ee5 TG |
485 | if (len > 16) |
486 | len = 16; | |
487 | memcpy (section->segname, name, len); | |
488 | section->segname[len] = 0; | |
489 | memcpy (section->sectname, name, len); | |
490 | section->sectname[len] = 0; | |
a4551119 | 491 | return NULL; |
3af9a47b NC |
492 | } |
493 | ||
b2b62060 TG |
494 | /* Return the size of an entry for section SEC. |
495 | Must be called only for symbol pointer section and symbol stubs | |
496 | sections. */ | |
497 | ||
c5012cd8 | 498 | unsigned int |
b2b62060 TG |
499 | bfd_mach_o_section_get_entry_size (bfd *abfd, bfd_mach_o_section *sec) |
500 | { | |
501 | switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK) | |
502 | { | |
503 | case BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS: | |
504 | case BFD_MACH_O_S_LAZY_SYMBOL_POINTERS: | |
505 | return bfd_mach_o_wide_p (abfd) ? 8 : 4; | |
506 | case BFD_MACH_O_S_SYMBOL_STUBS: | |
507 | return sec->reserved2; | |
508 | default: | |
509 | BFD_FAIL (); | |
510 | return 0; | |
511 | } | |
512 | } | |
513 | ||
514 | /* Return the number of indirect symbols for a section. | |
515 | Must be called only for symbol pointer section and symbol stubs | |
516 | sections. */ | |
517 | ||
c5012cd8 | 518 | unsigned int |
b2b62060 TG |
519 | bfd_mach_o_section_get_nbr_indirect (bfd *abfd, bfd_mach_o_section *sec) |
520 | { | |
521 | unsigned int elsz; | |
522 | ||
523 | elsz = bfd_mach_o_section_get_entry_size (abfd, sec); | |
524 | if (elsz == 0) | |
525 | return 0; | |
526 | else | |
527 | return sec->size / elsz; | |
528 | } | |
529 | ||
530 | ||
3af9a47b NC |
531 | /* Copy any private info we understand from the input symbol |
532 | to the output symbol. */ | |
533 | ||
154a1ee5 | 534 | bfd_boolean |
116c20d2 | 535 | bfd_mach_o_bfd_copy_private_symbol_data (bfd *ibfd ATTRIBUTE_UNUSED, |
b22161d6 | 536 | asymbol *isymbol, |
116c20d2 | 537 | bfd *obfd ATTRIBUTE_UNUSED, |
b22161d6 IS |
538 | asymbol *osymbol) |
539 | { | |
540 | bfd_mach_o_asymbol *os, *is; | |
541 | os = (bfd_mach_o_asymbol *)osymbol; | |
542 | is = (bfd_mach_o_asymbol *)isymbol; | |
543 | os->n_type = is->n_type; | |
544 | os->n_sect = is->n_sect; | |
545 | os->n_desc = is->n_desc; | |
546 | os->symbol.udata.i = is->symbol.udata.i; | |
b34976b6 | 547 | return TRUE; |
3af9a47b NC |
548 | } |
549 | ||
550 | /* Copy any private info we understand from the input section | |
551 | to the output section. */ | |
552 | ||
154a1ee5 | 553 | bfd_boolean |
116c20d2 | 554 | bfd_mach_o_bfd_copy_private_section_data (bfd *ibfd ATTRIBUTE_UNUSED, |
a4551119 | 555 | asection *isection, |
116c20d2 | 556 | bfd *obfd ATTRIBUTE_UNUSED, |
a4551119 TG |
557 | asection *osection) |
558 | { | |
559 | if (osection->used_by_bfd == NULL) | |
560 | osection->used_by_bfd = isection->used_by_bfd; | |
68ffbac6 | 561 | else |
a4551119 | 562 | if (isection->used_by_bfd != NULL) |
68ffbac6 | 563 | memcpy (osection->used_by_bfd, isection->used_by_bfd, |
a4551119 | 564 | sizeof (bfd_mach_o_section)); |
68ffbac6 | 565 | |
a4551119 TG |
566 | if (osection->used_by_bfd != NULL) |
567 | ((bfd_mach_o_section *)osection->used_by_bfd)->bfdsection = osection; | |
568 | ||
b34976b6 | 569 | return TRUE; |
3af9a47b NC |
570 | } |
571 | ||
572 | /* Copy any private info we understand from the input bfd | |
573 | to the output bfd. */ | |
574 | ||
154a1ee5 | 575 | bfd_boolean |
116c20d2 | 576 | bfd_mach_o_bfd_copy_private_bfd_data (bfd *ibfd, bfd *obfd) |
3af9a47b | 577 | { |
154a1ee5 TG |
578 | if (bfd_get_flavour (ibfd) != bfd_target_mach_o_flavour |
579 | || bfd_get_flavour (obfd) != bfd_target_mach_o_flavour) | |
580 | return TRUE; | |
581 | ||
3af9a47b NC |
582 | BFD_ASSERT (bfd_mach_o_valid (ibfd)); |
583 | BFD_ASSERT (bfd_mach_o_valid (obfd)); | |
584 | ||
154a1ee5 TG |
585 | /* FIXME: copy commands. */ |
586 | ||
b34976b6 | 587 | return TRUE; |
3af9a47b NC |
588 | } |
589 | ||
0c9ef0f0 TG |
590 | /* This allows us to set up to 32 bits of flags (unless we invent some |
591 | fiendish scheme to subdivide). For now, we'll just set the file flags | |
592 | without error checking - just overwrite. */ | |
68ffbac6 | 593 | |
0c9ef0f0 TG |
594 | bfd_boolean |
595 | bfd_mach_o_bfd_set_private_flags (bfd *abfd, flagword flags) | |
596 | { | |
597 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
598 | ||
599 | if (!mdata) | |
600 | return FALSE; | |
601 | ||
602 | mdata->header.flags = flags; | |
603 | return TRUE; | |
604 | } | |
605 | ||
046b007d | 606 | /* Count the total number of symbols. */ |
154a1ee5 | 607 | |
3af9a47b | 608 | static long |
116c20d2 | 609 | bfd_mach_o_count_symbols (bfd *abfd) |
3af9a47b | 610 | { |
046b007d | 611 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
3af9a47b | 612 | |
046b007d TG |
613 | if (mdata->symtab == NULL) |
614 | return 0; | |
615 | return mdata->symtab->nsyms; | |
3af9a47b NC |
616 | } |
617 | ||
154a1ee5 | 618 | long |
116c20d2 | 619 | bfd_mach_o_get_symtab_upper_bound (bfd *abfd) |
3af9a47b NC |
620 | { |
621 | long nsyms = bfd_mach_o_count_symbols (abfd); | |
622 | ||
3af9a47b NC |
623 | return ((nsyms + 1) * sizeof (asymbol *)); |
624 | } | |
625 | ||
154a1ee5 | 626 | long |
116c20d2 | 627 | bfd_mach_o_canonicalize_symtab (bfd *abfd, asymbol **alocation) |
3af9a47b | 628 | { |
046b007d | 629 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
3af9a47b | 630 | long nsyms = bfd_mach_o_count_symbols (abfd); |
046b007d TG |
631 | bfd_mach_o_symtab_command *sym = mdata->symtab; |
632 | unsigned long j; | |
3af9a47b NC |
633 | |
634 | if (nsyms < 0) | |
635 | return nsyms; | |
636 | ||
092d27ff TG |
637 | if (nsyms == 0) |
638 | { | |
639 | /* Do not try to read symbols if there are none. */ | |
640 | alocation[0] = NULL; | |
641 | return 0; | |
642 | } | |
643 | ||
afbb9e17 | 644 | if (!bfd_mach_o_read_symtab_symbols (abfd)) |
3af9a47b | 645 | { |
afbb9e17 TG |
646 | (*_bfd_error_handler) |
647 | (_("bfd_mach_o_canonicalize_symtab: unable to load symbols")); | |
046b007d TG |
648 | return 0; |
649 | } | |
3af9a47b | 650 | |
046b007d | 651 | BFD_ASSERT (sym->symbols != NULL); |
3af9a47b | 652 | |
046b007d TG |
653 | for (j = 0; j < sym->nsyms; j++) |
654 | alocation[j] = &sym->symbols[j].symbol; | |
3af9a47b | 655 | |
046b007d | 656 | alocation[j] = NULL; |
a95a4550 | 657 | |
3af9a47b NC |
658 | return nsyms; |
659 | } | |
660 | ||
aeefa1c9 TG |
661 | /* Create synthetic symbols for indirect symbols. */ |
662 | ||
b2b62060 TG |
663 | long |
664 | bfd_mach_o_get_synthetic_symtab (bfd *abfd, | |
665 | long symcount ATTRIBUTE_UNUSED, | |
666 | asymbol **syms ATTRIBUTE_UNUSED, | |
667 | long dynsymcount ATTRIBUTE_UNUSED, | |
668 | asymbol **dynsyms ATTRIBUTE_UNUSED, | |
669 | asymbol **ret) | |
670 | { | |
671 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
672 | bfd_mach_o_dysymtab_command *dysymtab = mdata->dysymtab; | |
673 | bfd_mach_o_symtab_command *symtab = mdata->symtab; | |
674 | asymbol *s; | |
675 | unsigned long count, i, j, n; | |
676 | size_t size; | |
677 | char *names; | |
678 | char *nul_name; | |
679 | ||
680 | *ret = NULL; | |
681 | ||
aeefa1c9 | 682 | /* Stop now if no symbols or no indirect symbols. */ |
b2b62060 TG |
683 | if (dysymtab == NULL || symtab == NULL || symtab->symbols == NULL) |
684 | return 0; | |
685 | ||
686 | if (dysymtab->nindirectsyms == 0) | |
687 | return 0; | |
688 | ||
aeefa1c9 TG |
689 | /* We need to allocate a bfd symbol for every indirect symbol and to |
690 | allocate the memory for its name. */ | |
b2b62060 TG |
691 | count = dysymtab->nindirectsyms; |
692 | size = count * sizeof (asymbol) + 1; | |
693 | ||
694 | for (j = 0; j < count; j++) | |
695 | { | |
696 | unsigned int isym = dysymtab->indirect_syms[j]; | |
aeefa1c9 TG |
697 | |
698 | /* Some indirect symbols are anonymous. */ | |
b2b62060 TG |
699 | if (isym < symtab->nsyms && symtab->symbols[isym].symbol.name) |
700 | size += strlen (symtab->symbols[isym].symbol.name) + sizeof ("$stub"); | |
701 | } | |
702 | ||
703 | s = *ret = (asymbol *) bfd_malloc (size); | |
704 | if (s == NULL) | |
705 | return -1; | |
706 | names = (char *) (s + count); | |
707 | nul_name = names; | |
708 | *names++ = 0; | |
68ffbac6 | 709 | |
b2b62060 TG |
710 | n = 0; |
711 | for (i = 0; i < mdata->nsects; i++) | |
712 | { | |
713 | bfd_mach_o_section *sec = mdata->sections[i]; | |
91d6fa6a | 714 | unsigned int first, last; |
b2b62060 TG |
715 | bfd_vma addr; |
716 | bfd_vma entry_size; | |
68ffbac6 | 717 | |
b2b62060 TG |
718 | switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK) |
719 | { | |
720 | case BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS: | |
721 | case BFD_MACH_O_S_LAZY_SYMBOL_POINTERS: | |
722 | case BFD_MACH_O_S_SYMBOL_STUBS: | |
aeefa1c9 | 723 | /* Only these sections have indirect symbols. */ |
b2b62060 TG |
724 | first = sec->reserved1; |
725 | last = first + bfd_mach_o_section_get_nbr_indirect (abfd, sec); | |
726 | addr = sec->addr; | |
727 | entry_size = bfd_mach_o_section_get_entry_size (abfd, sec); | |
728 | for (j = first; j < last; j++) | |
729 | { | |
730 | unsigned int isym = dysymtab->indirect_syms[j]; | |
731 | ||
732 | s->flags = BSF_GLOBAL | BSF_SYNTHETIC; | |
733 | s->section = sec->bfdsection; | |
734 | s->value = addr - sec->addr; | |
735 | s->udata.p = NULL; | |
68ffbac6 | 736 | |
b2b62060 TG |
737 | if (isym < symtab->nsyms |
738 | && symtab->symbols[isym].symbol.name) | |
739 | { | |
740 | const char *sym = symtab->symbols[isym].symbol.name; | |
741 | size_t len; | |
742 | ||
743 | s->name = names; | |
744 | len = strlen (sym); | |
745 | memcpy (names, sym, len); | |
746 | names += len; | |
747 | memcpy (names, "$stub", sizeof ("$stub")); | |
748 | names += sizeof ("$stub"); | |
749 | } | |
750 | else | |
751 | s->name = nul_name; | |
752 | ||
753 | addr += entry_size; | |
754 | s++; | |
755 | n++; | |
756 | } | |
757 | break; | |
758 | default: | |
759 | break; | |
760 | } | |
761 | } | |
762 | ||
763 | return n; | |
764 | } | |
765 | ||
154a1ee5 | 766 | void |
116c20d2 NC |
767 | bfd_mach_o_get_symbol_info (bfd *abfd ATTRIBUTE_UNUSED, |
768 | asymbol *symbol, | |
769 | symbol_info *ret) | |
3af9a47b NC |
770 | { |
771 | bfd_symbol_info (symbol, ret); | |
772 | } | |
773 | ||
154a1ee5 | 774 | void |
116c20d2 | 775 | bfd_mach_o_print_symbol (bfd *abfd, |
91d6fa6a | 776 | void * afile, |
116c20d2 NC |
777 | asymbol *symbol, |
778 | bfd_print_symbol_type how) | |
3af9a47b NC |
779 | { |
780 | FILE *file = (FILE *) afile; | |
15e1c58a | 781 | const char *name; |
92bc0e80 | 782 | bfd_mach_o_asymbol *asym = (bfd_mach_o_asymbol *)symbol; |
3af9a47b NC |
783 | |
784 | switch (how) | |
785 | { | |
786 | case bfd_print_symbol_name: | |
787 | fprintf (file, "%s", symbol->name); | |
788 | break; | |
789 | default: | |
91d6fa6a | 790 | bfd_print_symbol_vandf (abfd, (void *) file, symbol); |
92bc0e80 TG |
791 | if (asym->n_type & BFD_MACH_O_N_STAB) |
792 | name = bfd_get_stab_name (asym->n_type); | |
15e1c58a | 793 | else |
92bc0e80 | 794 | switch (asym->n_type & BFD_MACH_O_N_TYPE) |
15e1c58a TG |
795 | { |
796 | case BFD_MACH_O_N_UNDF: | |
e0ce1005 TG |
797 | if (symbol->value == 0) |
798 | name = "UND"; | |
799 | else | |
800 | name = "COM"; | |
15e1c58a TG |
801 | break; |
802 | case BFD_MACH_O_N_ABS: | |
803 | name = "ABS"; | |
804 | break; | |
805 | case BFD_MACH_O_N_INDR: | |
806 | name = "INDR"; | |
807 | break; | |
808 | case BFD_MACH_O_N_PBUD: | |
809 | name = "PBUD"; | |
810 | break; | |
811 | case BFD_MACH_O_N_SECT: | |
812 | name = "SECT"; | |
813 | break; | |
814 | default: | |
815 | name = "???"; | |
816 | break; | |
817 | } | |
818 | if (name == NULL) | |
819 | name = ""; | |
92bc0e80 TG |
820 | fprintf (file, " %02x %-6s %02x %04x", |
821 | asym->n_type, name, asym->n_sect, asym->n_desc); | |
822 | if ((asym->n_type & BFD_MACH_O_N_STAB) == 0 | |
823 | && (asym->n_type & BFD_MACH_O_N_TYPE) == BFD_MACH_O_N_SECT) | |
e0ce1005 | 824 | fprintf (file, " [%s]", symbol->section->name); |
15e1c58a | 825 | fprintf (file, " %s", symbol->name); |
3af9a47b NC |
826 | } |
827 | } | |
828 | ||
829 | static void | |
116c20d2 | 830 | bfd_mach_o_convert_architecture (bfd_mach_o_cpu_type mtype, |
0b2de107 | 831 | bfd_mach_o_cpu_subtype msubtype, |
116c20d2 NC |
832 | enum bfd_architecture *type, |
833 | unsigned long *subtype) | |
3af9a47b NC |
834 | { |
835 | *subtype = bfd_arch_unknown; | |
836 | ||
837 | switch (mtype) | |
838 | { | |
0b2de107 TG |
839 | case BFD_MACH_O_CPU_TYPE_VAX: |
840 | *type = bfd_arch_vax; | |
841 | break; | |
842 | case BFD_MACH_O_CPU_TYPE_MC680x0: | |
843 | *type = bfd_arch_m68k; | |
844 | break; | |
1e8a024a TG |
845 | case BFD_MACH_O_CPU_TYPE_I386: |
846 | *type = bfd_arch_i386; | |
847 | *subtype = bfd_mach_i386_i386; | |
848 | break; | |
849 | case BFD_MACH_O_CPU_TYPE_X86_64: | |
850 | *type = bfd_arch_i386; | |
851 | *subtype = bfd_mach_x86_64; | |
852 | break; | |
0b2de107 TG |
853 | case BFD_MACH_O_CPU_TYPE_MIPS: |
854 | *type = bfd_arch_mips; | |
855 | break; | |
856 | case BFD_MACH_O_CPU_TYPE_MC98000: | |
857 | *type = bfd_arch_m98k; | |
858 | break; | |
859 | case BFD_MACH_O_CPU_TYPE_HPPA: | |
860 | *type = bfd_arch_hppa; | |
861 | break; | |
862 | case BFD_MACH_O_CPU_TYPE_ARM: | |
863 | *type = bfd_arch_arm; | |
864 | switch (msubtype) | |
865 | { | |
866 | case BFD_MACH_O_CPU_SUBTYPE_ARM_V4T: | |
867 | *subtype = bfd_mach_arm_4T; | |
868 | break; | |
869 | case BFD_MACH_O_CPU_SUBTYPE_ARM_V6: | |
870 | *subtype = bfd_mach_arm_4T; /* Best fit ? */ | |
871 | break; | |
872 | case BFD_MACH_O_CPU_SUBTYPE_ARM_V5TEJ: | |
873 | *subtype = bfd_mach_arm_5TE; | |
874 | break; | |
875 | case BFD_MACH_O_CPU_SUBTYPE_ARM_XSCALE: | |
876 | *subtype = bfd_mach_arm_XScale; | |
877 | break; | |
878 | case BFD_MACH_O_CPU_SUBTYPE_ARM_V7: | |
879 | *subtype = bfd_mach_arm_5TE; /* Best fit ? */ | |
880 | break; | |
881 | case BFD_MACH_O_CPU_SUBTYPE_ARM_ALL: | |
882 | default: | |
883 | break; | |
884 | } | |
885 | break; | |
886 | case BFD_MACH_O_CPU_TYPE_MC88000: | |
887 | *type = bfd_arch_m88k; | |
888 | break; | |
1e8a024a TG |
889 | case BFD_MACH_O_CPU_TYPE_SPARC: |
890 | *type = bfd_arch_sparc; | |
891 | *subtype = bfd_mach_sparc; | |
892 | break; | |
0b2de107 TG |
893 | case BFD_MACH_O_CPU_TYPE_I860: |
894 | *type = bfd_arch_i860; | |
895 | break; | |
896 | case BFD_MACH_O_CPU_TYPE_ALPHA: | |
897 | *type = bfd_arch_alpha; | |
898 | break; | |
1e8a024a TG |
899 | case BFD_MACH_O_CPU_TYPE_POWERPC: |
900 | *type = bfd_arch_powerpc; | |
c2f09c75 | 901 | *subtype = bfd_mach_ppc; |
1e8a024a TG |
902 | break; |
903 | case BFD_MACH_O_CPU_TYPE_POWERPC_64: | |
904 | *type = bfd_arch_powerpc; | |
c2f09c75 | 905 | *subtype = bfd_mach_ppc64; |
1e8a024a | 906 | break; |
3af9a47b | 907 | default: |
1e8a024a TG |
908 | *type = bfd_arch_unknown; |
909 | break; | |
3af9a47b NC |
910 | } |
911 | } | |
a95a4550 | 912 | |
154a1ee5 | 913 | static bfd_boolean |
116c20d2 NC |
914 | bfd_mach_o_write_header (bfd *abfd, bfd_mach_o_header *header) |
915 | { | |
46d1c23b | 916 | struct mach_o_header_external raw; |
1e8a024a TG |
917 | unsigned int size; |
918 | ||
c2f09c75 | 919 | size = mach_o_wide_p (header) ? |
154a1ee5 | 920 | BFD_MACH_O_HEADER_64_SIZE : BFD_MACH_O_HEADER_SIZE; |
116c20d2 | 921 | |
46d1c23b TG |
922 | bfd_h_put_32 (abfd, header->magic, raw.magic); |
923 | bfd_h_put_32 (abfd, header->cputype, raw.cputype); | |
924 | bfd_h_put_32 (abfd, header->cpusubtype, raw.cpusubtype); | |
925 | bfd_h_put_32 (abfd, header->filetype, raw.filetype); | |
926 | bfd_h_put_32 (abfd, header->ncmds, raw.ncmds); | |
927 | bfd_h_put_32 (abfd, header->sizeofcmds, raw.sizeofcmds); | |
928 | bfd_h_put_32 (abfd, header->flags, raw.flags); | |
116c20d2 | 929 | |
c2f09c75 | 930 | if (mach_o_wide_p (header)) |
46d1c23b | 931 | bfd_h_put_32 (abfd, header->reserved, raw.reserved); |
1e8a024a | 932 | |
c2f09c75 | 933 | if (bfd_seek (abfd, 0, SEEK_SET) != 0 |
46d1c23b | 934 | || bfd_bwrite (&raw, size, abfd) != size) |
154a1ee5 | 935 | return FALSE; |
116c20d2 | 936 | |
154a1ee5 | 937 | return TRUE; |
116c20d2 NC |
938 | } |
939 | ||
940 | static int | |
ab273af8 | 941 | bfd_mach_o_write_thread (bfd *abfd, bfd_mach_o_load_command *command) |
116c20d2 NC |
942 | { |
943 | bfd_mach_o_thread_command *cmd = &command->command.thread; | |
944 | unsigned int i; | |
46d1c23b | 945 | struct mach_o_thread_command_external raw; |
92bc0e80 | 946 | unsigned int offset; |
116c20d2 NC |
947 | |
948 | BFD_ASSERT ((command->type == BFD_MACH_O_LC_THREAD) | |
949 | || (command->type == BFD_MACH_O_LC_UNIXTHREAD)); | |
950 | ||
951 | offset = 8; | |
116c20d2 NC |
952 | for (i = 0; i < cmd->nflavours; i++) |
953 | { | |
954 | BFD_ASSERT ((cmd->flavours[i].size % 4) == 0); | |
46d1c23b TG |
955 | BFD_ASSERT (cmd->flavours[i].offset == |
956 | (command->offset + offset + BFD_MACH_O_LC_SIZE)); | |
116c20d2 | 957 | |
46d1c23b TG |
958 | bfd_h_put_32 (abfd, cmd->flavours[i].flavour, raw.flavour); |
959 | bfd_h_put_32 (abfd, (cmd->flavours[i].size / 4), raw.count); | |
116c20d2 | 960 | |
c2f09c75 | 961 | if (bfd_seek (abfd, command->offset + offset, SEEK_SET) != 0 |
46d1c23b | 962 | || bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw)) |
116c20d2 NC |
963 | return -1; |
964 | ||
46d1c23b | 965 | offset += cmd->flavours[i].size + sizeof (raw); |
116c20d2 NC |
966 | } |
967 | ||
968 | return 0; | |
969 | } | |
970 | ||
92bc0e80 TG |
971 | long |
972 | bfd_mach_o_get_reloc_upper_bound (bfd *abfd ATTRIBUTE_UNUSED, | |
973 | asection *asect) | |
974 | { | |
975 | return (asect->reloc_count + 1) * sizeof (arelent *); | |
976 | } | |
977 | ||
19765f52 IS |
978 | /* In addition to the need to byte-swap the symbol number, the bit positions |
979 | of the fields in the relocation information vary per target endian-ness. */ | |
980 | ||
981 | static void | |
982 | bfd_mach_o_swap_in_non_scattered_reloc (bfd *abfd, bfd_mach_o_reloc_info *rel, | |
983 | unsigned char *fields) | |
984 | { | |
985 | unsigned char info = fields[3]; | |
986 | ||
987 | if (bfd_big_endian (abfd)) | |
988 | { | |
989 | rel->r_value = (fields[0] << 16) | (fields[1] << 8) | fields[2]; | |
990 | rel->r_type = (info >> BFD_MACH_O_BE_TYPE_SHIFT) & BFD_MACH_O_TYPE_MASK; | |
991 | rel->r_pcrel = (info & BFD_MACH_O_BE_PCREL) ? 1 : 0; | |
68ffbac6 | 992 | rel->r_length = (info >> BFD_MACH_O_BE_LENGTH_SHIFT) |
19765f52 IS |
993 | & BFD_MACH_O_LENGTH_MASK; |
994 | rel->r_extern = (info & BFD_MACH_O_BE_EXTERN) ? 1 : 0; | |
995 | } | |
996 | else | |
997 | { | |
998 | rel->r_value = (fields[2] << 16) | (fields[1] << 8) | fields[0]; | |
999 | rel->r_type = (info >> BFD_MACH_O_LE_TYPE_SHIFT) & BFD_MACH_O_TYPE_MASK; | |
1000 | rel->r_pcrel = (info & BFD_MACH_O_LE_PCREL) ? 1 : 0; | |
68ffbac6 | 1001 | rel->r_length = (info >> BFD_MACH_O_LE_LENGTH_SHIFT) |
19765f52 IS |
1002 | & BFD_MACH_O_LENGTH_MASK; |
1003 | rel->r_extern = (info & BFD_MACH_O_LE_EXTERN) ? 1 : 0; | |
1004 | } | |
1005 | } | |
1006 | ||
b32e07d7 | 1007 | static int |
46d1c23b TG |
1008 | bfd_mach_o_canonicalize_one_reloc (bfd *abfd, |
1009 | struct mach_o_reloc_info_external *raw, | |
b32e07d7 | 1010 | arelent *res, asymbol **syms) |
92bc0e80 | 1011 | { |
046b007d | 1012 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
92bc0e80 | 1013 | bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd); |
b32e07d7 TG |
1014 | bfd_mach_o_reloc_info reloc; |
1015 | bfd_vma addr; | |
b32e07d7 TG |
1016 | asymbol **sym; |
1017 | ||
46d1c23b | 1018 | addr = bfd_get_32 (abfd, raw->r_address); |
19765f52 IS |
1019 | res->sym_ptr_ptr = NULL; |
1020 | res->addend = 0; | |
f4716ee2 | 1021 | |
b32e07d7 TG |
1022 | if (addr & BFD_MACH_O_SR_SCATTERED) |
1023 | { | |
1024 | unsigned int j; | |
19765f52 | 1025 | bfd_vma symnum = bfd_get_32 (abfd, raw->r_symbolnum); |
b32e07d7 | 1026 | |
19765f52 IS |
1027 | /* Scattered relocation, can't be extern. */ |
1028 | reloc.r_scattered = 1; | |
1029 | reloc.r_extern = 0; | |
1030 | ||
1031 | /* Extract section and offset from r_value (symnum). */ | |
1032 | reloc.r_value = symnum; | |
1033 | /* FIXME: This breaks when a symbol in a reloc exactly follows the | |
1034 | end of the data for the section (e.g. in a calculation of section | |
1035 | data length). At present, the symbol will end up associated with | |
1036 | the following section or, if it falls within alignment padding, as | |
1037 | null - which will assert later. */ | |
b32e07d7 TG |
1038 | for (j = 0; j < mdata->nsects; j++) |
1039 | { | |
1040 | bfd_mach_o_section *sect = mdata->sections[j]; | |
1041 | if (symnum >= sect->addr && symnum < sect->addr + sect->size) | |
1042 | { | |
1043 | res->sym_ptr_ptr = sect->bfdsection->symbol_ptr_ptr; | |
1044 | res->addend = symnum - sect->addr; | |
1045 | break; | |
1046 | } | |
1047 | } | |
19765f52 IS |
1048 | |
1049 | /* Extract the info and address fields from r_address. */ | |
b32e07d7 TG |
1050 | reloc.r_type = BFD_MACH_O_GET_SR_TYPE (addr); |
1051 | reloc.r_length = BFD_MACH_O_GET_SR_LENGTH (addr); | |
1052 | reloc.r_pcrel = addr & BFD_MACH_O_SR_PCREL; | |
19765f52 IS |
1053 | reloc.r_address = BFD_MACH_O_GET_SR_TYPE (addr); |
1054 | res->address = BFD_MACH_O_GET_SR_ADDRESS (addr); | |
b32e07d7 TG |
1055 | } |
1056 | else | |
1057 | { | |
19765f52 | 1058 | unsigned int num; |
f4716ee2 | 1059 | |
19765f52 IS |
1060 | /* Non-scattered relocation. */ |
1061 | reloc.r_scattered = 0; | |
f4716ee2 | 1062 | |
19765f52 IS |
1063 | /* The value and info fields have to be extracted dependent on target |
1064 | endian-ness. */ | |
1065 | bfd_mach_o_swap_in_non_scattered_reloc (abfd, &reloc, raw->r_symbolnum); | |
1066 | num = reloc.r_value; | |
1067 | ||
1068 | if (reloc.r_extern) | |
f4716ee2 TG |
1069 | { |
1070 | /* An external symbol number. */ | |
1071 | sym = syms + num; | |
1072 | } | |
1073 | else if (num == 0x00ffffff) | |
1074 | { | |
1075 | /* The 'symnum' in a non-scattered PAIR is 0x00ffffff. But as this | |
1076 | is generic code, we don't know wether this is really a PAIR. | |
1077 | This value is almost certainly not a valid section number, hence | |
1078 | this specific case to avoid an assertion failure. | |
1079 | Target specific swap_reloc_in routine should adjust that. */ | |
1080 | sym = bfd_abs_section_ptr->symbol_ptr_ptr; | |
1081 | } | |
1082 | else | |
b32e07d7 | 1083 | { |
f4716ee2 | 1084 | /* A section number. */ |
b32e07d7 TG |
1085 | BFD_ASSERT (num != 0); |
1086 | BFD_ASSERT (num <= mdata->nsects); | |
f4716ee2 | 1087 | |
b32e07d7 | 1088 | sym = mdata->sections[num - 1]->bfdsection->symbol_ptr_ptr; |
1523fa24 TG |
1089 | /* For a symbol defined in section S, the addend (stored in the |
1090 | binary) contains the address of the section. To comply with | |
19765f52 | 1091 | bfd convention, subtract the section address. |
1523fa24 TG |
1092 | Use the address from the header, so that the user can modify |
1093 | the vma of the section. */ | |
1094 | res->addend = -mdata->sections[num - 1]->addr; | |
19765f52 | 1095 | } |
f4716ee2 TG |
1096 | /* Note: Pairs for PPC LO/HI/HA are not scattered, but contain the offset |
1097 | in the lower 16bits of the address value. So we have to find the | |
1098 | 'symbol' from the preceding reloc. We do this even though the | |
1099 | section symbol is probably not needed here, because NULL symbol | |
1100 | values cause an assert in generic BFD code. This must be done in | |
1101 | the PPC swap_reloc_in routine. */ | |
b32e07d7 | 1102 | res->sym_ptr_ptr = sym; |
f4716ee2 | 1103 | |
19765f52 IS |
1104 | /* The 'address' is just r_address. |
1105 | ??? maybe this should be masked with 0xffffff for safety. */ | |
1106 | res->address = addr; | |
1107 | reloc.r_address = addr; | |
b32e07d7 | 1108 | } |
f4716ee2 TG |
1109 | |
1110 | /* We have set up a reloc with all the information present, so the swapper | |
1111 | can modify address, value and addend fields, if necessary, to convey | |
1112 | information in the generic BFD reloc that is mach-o specific. */ | |
19765f52 | 1113 | |
b32e07d7 TG |
1114 | if (!(*bed->_bfd_mach_o_swap_reloc_in)(res, &reloc)) |
1115 | return -1; | |
1116 | return 0; | |
1117 | } | |
1118 | ||
1119 | static int | |
1120 | bfd_mach_o_canonicalize_relocs (bfd *abfd, unsigned long filepos, | |
1121 | unsigned long count, | |
1122 | arelent *res, asymbol **syms) | |
1123 | { | |
92bc0e80 | 1124 | unsigned long i; |
46d1c23b | 1125 | struct mach_o_reloc_info_external *native_relocs; |
92bc0e80 TG |
1126 | bfd_size_type native_size; |
1127 | ||
92bc0e80 | 1128 | /* Allocate and read relocs. */ |
b32e07d7 | 1129 | native_size = count * BFD_MACH_O_RELENT_SIZE; |
46d1c23b TG |
1130 | native_relocs = |
1131 | (struct mach_o_reloc_info_external *) bfd_malloc (native_size); | |
92bc0e80 TG |
1132 | if (native_relocs == NULL) |
1133 | return -1; | |
1134 | ||
b32e07d7 | 1135 | if (bfd_seek (abfd, filepos, SEEK_SET) != 0 |
92bc0e80 | 1136 | || bfd_bread (native_relocs, native_size, abfd) != native_size) |
b32e07d7 TG |
1137 | goto err; |
1138 | ||
1139 | for (i = 0; i < count; i++) | |
92bc0e80 | 1140 | { |
46d1c23b TG |
1141 | if (bfd_mach_o_canonicalize_one_reloc (abfd, &native_relocs[i], |
1142 | &res[i], syms) < 0) | |
b32e07d7 | 1143 | goto err; |
92bc0e80 | 1144 | } |
b32e07d7 TG |
1145 | free (native_relocs); |
1146 | return i; | |
1147 | err: | |
1148 | free (native_relocs); | |
1149 | return -1; | |
1150 | } | |
1151 | ||
1152 | long | |
1153 | bfd_mach_o_canonicalize_reloc (bfd *abfd, asection *asect, | |
1154 | arelent **rels, asymbol **syms) | |
1155 | { | |
1156 | bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd); | |
1157 | unsigned long i; | |
1158 | arelent *res; | |
1159 | ||
1160 | if (asect->reloc_count == 0) | |
1161 | return 0; | |
1162 | ||
1163 | /* No need to go further if we don't know how to read relocs. */ | |
1164 | if (bed->_bfd_mach_o_swap_reloc_in == NULL) | |
1165 | return 0; | |
92bc0e80 | 1166 | |
dff55db0 | 1167 | if (asect->relocation == NULL) |
92bc0e80 | 1168 | { |
dff55db0 TG |
1169 | res = bfd_malloc (asect->reloc_count * sizeof (arelent)); |
1170 | if (res == NULL) | |
1171 | return -1; | |
1172 | ||
1173 | if (bfd_mach_o_canonicalize_relocs (abfd, asect->rel_filepos, | |
1174 | asect->reloc_count, res, syms) < 0) | |
1175 | { | |
1176 | free (res); | |
1177 | return -1; | |
1178 | } | |
1179 | asect->relocation = res; | |
92bc0e80 TG |
1180 | } |
1181 | ||
dff55db0 | 1182 | res = asect->relocation; |
92bc0e80 | 1183 | for (i = 0; i < asect->reloc_count; i++) |
b32e07d7 TG |
1184 | rels[i] = &res[i]; |
1185 | rels[i] = NULL; | |
92bc0e80 | 1186 | |
b32e07d7 TG |
1187 | return i; |
1188 | } | |
92bc0e80 | 1189 | |
b32e07d7 TG |
1190 | long |
1191 | bfd_mach_o_get_dynamic_reloc_upper_bound (bfd *abfd) | |
1192 | { | |
1193 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
92bc0e80 | 1194 | |
b32e07d7 TG |
1195 | if (mdata->dysymtab == NULL) |
1196 | return 1; | |
dff55db0 | 1197 | return (mdata->dysymtab->nextrel + mdata->dysymtab->nlocrel + 1) |
b32e07d7 TG |
1198 | * sizeof (arelent *); |
1199 | } | |
92bc0e80 | 1200 | |
b32e07d7 TG |
1201 | long |
1202 | bfd_mach_o_canonicalize_dynamic_reloc (bfd *abfd, arelent **rels, | |
1203 | struct bfd_symbol **syms) | |
1204 | { | |
1205 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
1206 | bfd_mach_o_dysymtab_command *dysymtab = mdata->dysymtab; | |
1207 | bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd); | |
1208 | unsigned long i; | |
1209 | arelent *res; | |
1210 | ||
1211 | if (dysymtab == NULL) | |
1212 | return 0; | |
1213 | if (dysymtab->nextrel == 0 && dysymtab->nlocrel == 0) | |
1214 | return 0; | |
1215 | ||
1216 | /* No need to go further if we don't know how to read relocs. */ | |
1217 | if (bed->_bfd_mach_o_swap_reloc_in == NULL) | |
1218 | return 0; | |
1219 | ||
dff55db0 | 1220 | if (mdata->dyn_reloc_cache == NULL) |
b32e07d7 | 1221 | { |
dff55db0 TG |
1222 | res = bfd_malloc ((dysymtab->nextrel + dysymtab->nlocrel) |
1223 | * sizeof (arelent)); | |
1224 | if (res == NULL) | |
1225 | return -1; | |
b32e07d7 | 1226 | |
dff55db0 TG |
1227 | if (bfd_mach_o_canonicalize_relocs (abfd, dysymtab->extreloff, |
1228 | dysymtab->nextrel, res, syms) < 0) | |
1229 | { | |
1230 | free (res); | |
1231 | return -1; | |
1232 | } | |
1233 | ||
1234 | if (bfd_mach_o_canonicalize_relocs (abfd, dysymtab->locreloff, | |
1235 | dysymtab->nlocrel, | |
1236 | res + dysymtab->nextrel, syms) < 0) | |
1237 | { | |
1238 | free (res); | |
1239 | return -1; | |
1240 | } | |
1241 | ||
1242 | mdata->dyn_reloc_cache = res; | |
b32e07d7 TG |
1243 | } |
1244 | ||
dff55db0 | 1245 | res = mdata->dyn_reloc_cache; |
b32e07d7 TG |
1246 | for (i = 0; i < dysymtab->nextrel + dysymtab->nlocrel; i++) |
1247 | rels[i] = &res[i]; | |
1248 | rels[i] = NULL; | |
92bc0e80 TG |
1249 | return i; |
1250 | } | |
1251 | ||
19765f52 IS |
1252 | /* In addition to the need to byte-swap the symbol number, the bit positions |
1253 | of the fields in the relocation information vary per target endian-ness. */ | |
1254 | ||
1255 | static void | |
1256 | bfd_mach_o_swap_out_non_scattered_reloc (bfd *abfd, unsigned char *fields, | |
1257 | bfd_mach_o_reloc_info *rel) | |
1258 | { | |
1259 | unsigned char info = 0; | |
1260 | ||
1261 | BFD_ASSERT (rel->r_type <= 15); | |
1262 | BFD_ASSERT (rel->r_length <= 3); | |
1263 | ||
1264 | if (bfd_big_endian (abfd)) | |
1265 | { | |
1266 | fields[0] = (rel->r_value >> 16) & 0xff; | |
1267 | fields[1] = (rel->r_value >> 8) & 0xff; | |
1268 | fields[2] = rel->r_value & 0xff; | |
1269 | info |= rel->r_type << BFD_MACH_O_BE_TYPE_SHIFT; | |
1270 | info |= rel->r_pcrel ? BFD_MACH_O_BE_PCREL : 0; | |
1271 | info |= rel->r_length << BFD_MACH_O_BE_LENGTH_SHIFT; | |
1272 | info |= rel->r_extern ? BFD_MACH_O_BE_EXTERN : 0; | |
1273 | } | |
1274 | else | |
1275 | { | |
1276 | fields[2] = (rel->r_value >> 16) & 0xff; | |
1277 | fields[1] = (rel->r_value >> 8) & 0xff; | |
1278 | fields[0] = rel->r_value & 0xff; | |
1279 | info |= rel->r_type << BFD_MACH_O_LE_TYPE_SHIFT; | |
1280 | info |= rel->r_pcrel ? BFD_MACH_O_LE_PCREL : 0; | |
1281 | info |= rel->r_length << BFD_MACH_O_LE_LENGTH_SHIFT; | |
1282 | info |= rel->r_extern ? BFD_MACH_O_LE_EXTERN : 0; | |
1283 | } | |
1284 | fields[3] = info; | |
1285 | } | |
1286 | ||
92bc0e80 | 1287 | static bfd_boolean |
ab273af8 | 1288 | bfd_mach_o_write_relocs (bfd *abfd, bfd_mach_o_section *section) |
92bc0e80 | 1289 | { |
92bc0e80 TG |
1290 | unsigned int i; |
1291 | arelent **entries; | |
1292 | asection *sec; | |
1293 | bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd); | |
1294 | ||
1295 | sec = section->bfdsection; | |
1296 | if (sec->reloc_count == 0) | |
1297 | return TRUE; | |
1298 | ||
1299 | if (bed->_bfd_mach_o_swap_reloc_out == NULL) | |
1300 | return TRUE; | |
1301 | ||
92bc0e80 TG |
1302 | if (bfd_seek (abfd, section->reloff, SEEK_SET) != 0) |
1303 | return FALSE; | |
1304 | ||
1305 | /* Convert and write. */ | |
1306 | entries = section->bfdsection->orelocation; | |
1307 | for (i = 0; i < section->nreloc; i++) | |
1308 | { | |
1309 | arelent *rel = entries[i]; | |
46d1c23b | 1310 | struct mach_o_reloc_info_external raw; |
92bc0e80 TG |
1311 | bfd_mach_o_reloc_info info, *pinfo = &info; |
1312 | ||
1313 | /* Convert relocation to an intermediate representation. */ | |
1314 | if (!(*bed->_bfd_mach_o_swap_reloc_out) (rel, pinfo)) | |
1315 | return FALSE; | |
1316 | ||
1317 | /* Lower the relocation info. */ | |
1318 | if (pinfo->r_scattered) | |
1319 | { | |
1320 | unsigned long v; | |
1321 | ||
1322 | v = BFD_MACH_O_SR_SCATTERED | |
1323 | | (pinfo->r_pcrel ? BFD_MACH_O_SR_PCREL : 0) | |
1324 | | BFD_MACH_O_SET_SR_LENGTH(pinfo->r_length) | |
1325 | | BFD_MACH_O_SET_SR_TYPE(pinfo->r_type) | |
1326 | | BFD_MACH_O_SET_SR_ADDRESS(pinfo->r_address); | |
46d1c23b TG |
1327 | /* Note: scattered relocs have field in reverse order... */ |
1328 | bfd_put_32 (abfd, v, raw.r_address); | |
1329 | bfd_put_32 (abfd, pinfo->r_value, raw.r_symbolnum); | |
92bc0e80 TG |
1330 | } |
1331 | else | |
1332 | { | |
46d1c23b | 1333 | bfd_put_32 (abfd, pinfo->r_address, raw.r_address); |
19765f52 IS |
1334 | bfd_mach_o_swap_out_non_scattered_reloc (abfd, raw.r_symbolnum, |
1335 | pinfo); | |
92bc0e80 TG |
1336 | } |
1337 | ||
46d1c23b | 1338 | if (bfd_bwrite (&raw, BFD_MACH_O_RELENT_SIZE, abfd) |
92bc0e80 TG |
1339 | != BFD_MACH_O_RELENT_SIZE) |
1340 | return FALSE; | |
1341 | } | |
1342 | return TRUE; | |
1343 | } | |
1344 | ||
116c20d2 | 1345 | static int |
ab273af8 | 1346 | bfd_mach_o_write_section_32 (bfd *abfd, bfd_mach_o_section *section) |
116c20d2 | 1347 | { |
46d1c23b TG |
1348 | struct mach_o_section_32_external raw; |
1349 | ||
1350 | memcpy (raw.sectname, section->sectname, 16); | |
72b5104c | 1351 | memcpy (raw.segname, section->segname, 16); |
46d1c23b TG |
1352 | bfd_h_put_32 (abfd, section->addr, raw.addr); |
1353 | bfd_h_put_32 (abfd, section->size, raw.size); | |
1354 | bfd_h_put_32 (abfd, section->offset, raw.offset); | |
1355 | bfd_h_put_32 (abfd, section->align, raw.align); | |
1356 | bfd_h_put_32 (abfd, section->reloff, raw.reloff); | |
1357 | bfd_h_put_32 (abfd, section->nreloc, raw.nreloc); | |
1358 | bfd_h_put_32 (abfd, section->flags, raw.flags); | |
1359 | bfd_h_put_32 (abfd, section->reserved1, raw.reserved1); | |
1360 | bfd_h_put_32 (abfd, section->reserved2, raw.reserved2); | |
1361 | ||
1362 | if (bfd_bwrite (&raw, BFD_MACH_O_SECTION_SIZE, abfd) | |
92bc0e80 | 1363 | != BFD_MACH_O_SECTION_SIZE) |
116c20d2 NC |
1364 | return -1; |
1365 | ||
1366 | return 0; | |
1367 | } | |
1368 | ||
1369 | static int | |
ab273af8 | 1370 | bfd_mach_o_write_section_64 (bfd *abfd, bfd_mach_o_section *section) |
116c20d2 | 1371 | { |
46d1c23b TG |
1372 | struct mach_o_section_64_external raw; |
1373 | ||
1374 | memcpy (raw.sectname, section->sectname, 16); | |
1375 | memcpy (raw.segname, section->segname, 16); | |
1376 | bfd_h_put_64 (abfd, section->addr, raw.addr); | |
1377 | bfd_h_put_64 (abfd, section->size, raw.size); | |
1378 | bfd_h_put_32 (abfd, section->offset, raw.offset); | |
1379 | bfd_h_put_32 (abfd, section->align, raw.align); | |
1380 | bfd_h_put_32 (abfd, section->reloff, raw.reloff); | |
1381 | bfd_h_put_32 (abfd, section->nreloc, raw.nreloc); | |
1382 | bfd_h_put_32 (abfd, section->flags, raw.flags); | |
1383 | bfd_h_put_32 (abfd, section->reserved1, raw.reserved1); | |
1384 | bfd_h_put_32 (abfd, section->reserved2, raw.reserved2); | |
1385 | bfd_h_put_32 (abfd, section->reserved3, raw.reserved3); | |
1386 | ||
1387 | if (bfd_bwrite (&raw, BFD_MACH_O_SECTION_64_SIZE, abfd) | |
92bc0e80 | 1388 | != BFD_MACH_O_SECTION_64_SIZE) |
116c20d2 NC |
1389 | return -1; |
1390 | ||
1e8a024a TG |
1391 | return 0; |
1392 | } | |
1393 | ||
1394 | static int | |
ab273af8 | 1395 | bfd_mach_o_write_segment_32 (bfd *abfd, bfd_mach_o_load_command *command) |
1e8a024a | 1396 | { |
46d1c23b | 1397 | struct mach_o_segment_command_32_external raw; |
1e8a024a | 1398 | bfd_mach_o_segment_command *seg = &command->command.segment; |
f1bde64c | 1399 | bfd_mach_o_section *sec; |
1e8a024a | 1400 | |
c2f09c75 TG |
1401 | BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT); |
1402 | ||
f1bde64c TG |
1403 | for (sec = seg->sect_head; sec != NULL; sec = sec->next) |
1404 | if (!bfd_mach_o_write_relocs (abfd, sec)) | |
92bc0e80 | 1405 | return -1; |
c2f09c75 | 1406 | |
46d1c23b TG |
1407 | memcpy (raw.segname, seg->segname, 16); |
1408 | bfd_h_put_32 (abfd, seg->vmaddr, raw.vmaddr); | |
1409 | bfd_h_put_32 (abfd, seg->vmsize, raw.vmsize); | |
1410 | bfd_h_put_32 (abfd, seg->fileoff, raw.fileoff); | |
1411 | bfd_h_put_32 (abfd, seg->filesize, raw.filesize); | |
1412 | bfd_h_put_32 (abfd, seg->maxprot, raw.maxprot); | |
1413 | bfd_h_put_32 (abfd, seg->initprot, raw.initprot); | |
1414 | bfd_h_put_32 (abfd, seg->nsects, raw.nsects); | |
1415 | bfd_h_put_32 (abfd, seg->flags, raw.flags); | |
68ffbac6 | 1416 | |
46d1c23b TG |
1417 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 |
1418 | || bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
c2f09c75 | 1419 | return -1; |
1e8a024a | 1420 | |
f1bde64c TG |
1421 | for (sec = seg->sect_head; sec != NULL; sec = sec->next) |
1422 | if (bfd_mach_o_write_section_32 (abfd, sec)) | |
92bc0e80 | 1423 | return -1; |
1e8a024a | 1424 | |
116c20d2 NC |
1425 | return 0; |
1426 | } | |
1427 | ||
1e8a024a | 1428 | static int |
ab273af8 | 1429 | bfd_mach_o_write_segment_64 (bfd *abfd, bfd_mach_o_load_command *command) |
1e8a024a | 1430 | { |
46d1c23b | 1431 | struct mach_o_segment_command_64_external raw; |
c2f09c75 | 1432 | bfd_mach_o_segment_command *seg = &command->command.segment; |
f1bde64c | 1433 | bfd_mach_o_section *sec; |
c2f09c75 TG |
1434 | |
1435 | BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT_64); | |
1436 | ||
f1bde64c TG |
1437 | for (sec = seg->sect_head; sec != NULL; sec = sec->next) |
1438 | if (!bfd_mach_o_write_relocs (abfd, sec)) | |
92bc0e80 | 1439 | return -1; |
c2f09c75 | 1440 | |
46d1c23b TG |
1441 | memcpy (raw.segname, seg->segname, 16); |
1442 | bfd_h_put_64 (abfd, seg->vmaddr, raw.vmaddr); | |
1443 | bfd_h_put_64 (abfd, seg->vmsize, raw.vmsize); | |
1444 | bfd_h_put_64 (abfd, seg->fileoff, raw.fileoff); | |
1445 | bfd_h_put_64 (abfd, seg->filesize, raw.filesize); | |
1446 | bfd_h_put_32 (abfd, seg->maxprot, raw.maxprot); | |
1447 | bfd_h_put_32 (abfd, seg->initprot, raw.initprot); | |
1448 | bfd_h_put_32 (abfd, seg->nsects, raw.nsects); | |
1449 | bfd_h_put_32 (abfd, seg->flags, raw.flags); | |
1450 | ||
1451 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 | |
1452 | || bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
c2f09c75 TG |
1453 | return -1; |
1454 | ||
f1bde64c TG |
1455 | for (sec = seg->sect_head; sec != NULL; sec = sec->next) |
1456 | if (bfd_mach_o_write_section_64 (abfd, sec)) | |
92bc0e80 | 1457 | return -1; |
c2f09c75 | 1458 | |
c2f09c75 | 1459 | return 0; |
1e8a024a TG |
1460 | } |
1461 | ||
c2f09c75 | 1462 | static bfd_boolean |
ab273af8 | 1463 | bfd_mach_o_write_symtab (bfd *abfd, bfd_mach_o_load_command *command) |
116c20d2 | 1464 | { |
046b007d | 1465 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
116c20d2 | 1466 | bfd_mach_o_symtab_command *sym = &command->command.symtab; |
116c20d2 | 1467 | unsigned long i; |
c2f09c75 | 1468 | unsigned int wide = bfd_mach_o_wide_p (abfd); |
046b007d | 1469 | unsigned int symlen = wide ? BFD_MACH_O_NLIST_64_SIZE : BFD_MACH_O_NLIST_SIZE; |
c2f09c75 TG |
1470 | struct bfd_strtab_hash *strtab; |
1471 | asymbol **symbols = bfd_get_outsymbols (abfd); | |
1472 | ||
1473 | BFD_ASSERT (command->type == BFD_MACH_O_LC_SYMTAB); | |
1474 | ||
1475 | /* Write the symbols first. */ | |
92bc0e80 TG |
1476 | mdata->filelen = FILE_ALIGN(mdata->filelen, wide ? 3 : 2); |
1477 | sym->symoff = mdata->filelen; | |
c2f09c75 TG |
1478 | if (bfd_seek (abfd, sym->symoff, SEEK_SET) != 0) |
1479 | return FALSE; | |
1480 | ||
1481 | sym->nsyms = bfd_get_symcount (abfd); | |
92bc0e80 | 1482 | mdata->filelen += sym->nsyms * symlen; |
c2f09c75 TG |
1483 | |
1484 | strtab = _bfd_stringtab_init (); | |
1485 | if (strtab == NULL) | |
1486 | return FALSE; | |
116c20d2 | 1487 | |
a4551119 TG |
1488 | if (sym->nsyms > 0) |
1489 | /* Although we don't strictly need to do this, for compatibility with | |
1490 | Darwin system tools, actually output an empty string for the index | |
1491 | 0 entry. */ | |
1492 | _bfd_stringtab_add (strtab, "", TRUE, FALSE); | |
1493 | ||
116c20d2 NC |
1494 | for (i = 0; i < sym->nsyms; i++) |
1495 | { | |
91d6fa6a | 1496 | bfd_size_type str_index; |
92bc0e80 | 1497 | bfd_mach_o_asymbol *s = (bfd_mach_o_asymbol *)symbols[i]; |
68ffbac6 | 1498 | |
92bc0e80 | 1499 | if (s->symbol.name == 0 || s->symbol.name[0] == '\0') |
7f307238 | 1500 | /* An index of 0 always means the empty string. */ |
91d6fa6a | 1501 | str_index = 0; |
c2f09c75 TG |
1502 | else |
1503 | { | |
91d6fa6a | 1504 | str_index = _bfd_stringtab_add (strtab, s->symbol.name, TRUE, FALSE); |
7f307238 | 1505 | |
91d6fa6a | 1506 | if (str_index == (bfd_size_type) -1) |
c2f09c75 TG |
1507 | goto err; |
1508 | } | |
46d1c23b | 1509 | |
c2f09c75 | 1510 | if (wide) |
46d1c23b TG |
1511 | { |
1512 | struct mach_o_nlist_64_external raw; | |
1513 | ||
1514 | bfd_h_put_32 (abfd, str_index, raw.n_strx); | |
1515 | bfd_h_put_8 (abfd, s->n_type, raw.n_type); | |
1516 | bfd_h_put_8 (abfd, s->n_sect, raw.n_sect); | |
1517 | bfd_h_put_16 (abfd, s->n_desc, raw.n_desc); | |
1518 | bfd_h_put_64 (abfd, s->symbol.section->vma + s->symbol.value, | |
1519 | raw.n_value); | |
1520 | ||
1521 | if (bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
1522 | goto err; | |
1523 | } | |
c2f09c75 | 1524 | else |
46d1c23b TG |
1525 | { |
1526 | struct mach_o_nlist_external raw; | |
116c20d2 | 1527 | |
46d1c23b TG |
1528 | bfd_h_put_32 (abfd, str_index, raw.n_strx); |
1529 | bfd_h_put_8 (abfd, s->n_type, raw.n_type); | |
1530 | bfd_h_put_8 (abfd, s->n_sect, raw.n_sect); | |
1531 | bfd_h_put_16 (abfd, s->n_desc, raw.n_desc); | |
1532 | bfd_h_put_32 (abfd, s->symbol.section->vma + s->symbol.value, | |
1533 | raw.n_value); | |
1534 | ||
1535 | if (bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
1536 | goto err; | |
1537 | } | |
116c20d2 | 1538 | } |
c2f09c75 | 1539 | sym->strsize = _bfd_stringtab_size (strtab); |
92bc0e80 TG |
1540 | sym->stroff = mdata->filelen; |
1541 | mdata->filelen += sym->strsize; | |
116c20d2 | 1542 | |
c2f09c75 TG |
1543 | if (_bfd_stringtab_emit (abfd, strtab) != TRUE) |
1544 | goto err; | |
1545 | _bfd_stringtab_free (strtab); | |
116c20d2 | 1546 | |
c2f09c75 | 1547 | /* The command. */ |
46d1c23b TG |
1548 | { |
1549 | struct mach_o_symtab_command_external raw; | |
116c20d2 | 1550 | |
46d1c23b TG |
1551 | bfd_h_put_32 (abfd, sym->symoff, raw.symoff); |
1552 | bfd_h_put_32 (abfd, sym->nsyms, raw.nsyms); | |
1553 | bfd_h_put_32 (abfd, sym->stroff, raw.stroff); | |
1554 | bfd_h_put_32 (abfd, sym->strsize, raw.strsize); | |
1555 | ||
1556 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 | |
1557 | || bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
1558 | return FALSE; | |
1559 | } | |
116c20d2 | 1560 | |
c2f09c75 | 1561 | return TRUE; |
116c20d2 | 1562 | |
c2f09c75 TG |
1563 | err: |
1564 | _bfd_stringtab_free (strtab); | |
1565 | return FALSE; | |
116c20d2 NC |
1566 | } |
1567 | ||
7f307238 IS |
1568 | /* Write a dysymtab command. |
1569 | TODO: Possibly coalesce writes of smaller objects. */ | |
1570 | ||
1571 | static bfd_boolean | |
1572 | bfd_mach_o_write_dysymtab (bfd *abfd, bfd_mach_o_load_command *command) | |
1573 | { | |
1574 | bfd_mach_o_dysymtab_command *cmd = &command->command.dysymtab; | |
1575 | ||
1576 | BFD_ASSERT (command->type == BFD_MACH_O_LC_DYSYMTAB); | |
1577 | ||
1578 | if (cmd->nmodtab != 0) | |
1579 | { | |
1580 | unsigned int i; | |
1581 | ||
1582 | if (bfd_seek (abfd, cmd->modtaboff, SEEK_SET) != 0) | |
1583 | return FALSE; | |
1584 | ||
1585 | for (i = 0; i < cmd->nmodtab; i++) | |
1586 | { | |
1587 | bfd_mach_o_dylib_module *module = &cmd->dylib_module[i]; | |
1588 | unsigned int iinit; | |
1589 | unsigned int ninit; | |
1590 | ||
1591 | iinit = module->iinit & 0xffff; | |
1592 | iinit |= ((module->iterm & 0xffff) << 16); | |
1593 | ||
1594 | ninit = module->ninit & 0xffff; | |
1595 | ninit |= ((module->nterm & 0xffff) << 16); | |
1596 | ||
1597 | if (bfd_mach_o_wide_p (abfd)) | |
1598 | { | |
1599 | struct mach_o_dylib_module_64_external w; | |
1600 | ||
1601 | bfd_h_put_32 (abfd, module->module_name_idx, &w.module_name); | |
1602 | bfd_h_put_32 (abfd, module->iextdefsym, &w.iextdefsym); | |
1603 | bfd_h_put_32 (abfd, module->nextdefsym, &w.nextdefsym); | |
1604 | bfd_h_put_32 (abfd, module->irefsym, &w.irefsym); | |
1605 | bfd_h_put_32 (abfd, module->nrefsym, &w.nrefsym); | |
1606 | bfd_h_put_32 (abfd, module->ilocalsym, &w.ilocalsym); | |
1607 | bfd_h_put_32 (abfd, module->nlocalsym, &w.nlocalsym); | |
1608 | bfd_h_put_32 (abfd, module->iextrel, &w.iextrel); | |
1609 | bfd_h_put_32 (abfd, module->nextrel, &w.nextrel); | |
1610 | bfd_h_put_32 (abfd, iinit, &w.iinit_iterm); | |
1611 | bfd_h_put_32 (abfd, ninit, &w.ninit_nterm); | |
1612 | bfd_h_put_64 (abfd, module->objc_module_info_addr, | |
1613 | &w.objc_module_info_addr); | |
1614 | bfd_h_put_32 (abfd, module->objc_module_info_size, | |
1615 | &w.objc_module_info_size); | |
1616 | ||
1617 | if (bfd_bwrite ((void *) &w, sizeof (w), abfd) != sizeof (w)) | |
1618 | return FALSE; | |
1619 | } | |
1620 | else | |
1621 | { | |
1622 | struct mach_o_dylib_module_external n; | |
1623 | ||
1624 | bfd_h_put_32 (abfd, module->module_name_idx, &n.module_name); | |
1625 | bfd_h_put_32 (abfd, module->iextdefsym, &n.iextdefsym); | |
1626 | bfd_h_put_32 (abfd, module->nextdefsym, &n.nextdefsym); | |
1627 | bfd_h_put_32 (abfd, module->irefsym, &n.irefsym); | |
1628 | bfd_h_put_32 (abfd, module->nrefsym, &n.nrefsym); | |
1629 | bfd_h_put_32 (abfd, module->ilocalsym, &n.ilocalsym); | |
1630 | bfd_h_put_32 (abfd, module->nlocalsym, &n.nlocalsym); | |
1631 | bfd_h_put_32 (abfd, module->iextrel, &n.iextrel); | |
1632 | bfd_h_put_32 (abfd, module->nextrel, &n.nextrel); | |
1633 | bfd_h_put_32 (abfd, iinit, &n.iinit_iterm); | |
1634 | bfd_h_put_32 (abfd, ninit, &n.ninit_nterm); | |
1635 | bfd_h_put_32 (abfd, module->objc_module_info_addr, | |
1636 | &n.objc_module_info_addr); | |
1637 | bfd_h_put_32 (abfd, module->objc_module_info_size, | |
1638 | &n.objc_module_info_size); | |
1639 | ||
1640 | if (bfd_bwrite ((void *) &n, sizeof (n), abfd) != sizeof (n)) | |
1641 | return FALSE; | |
1642 | } | |
1643 | } | |
1644 | } | |
1645 | ||
1646 | if (cmd->ntoc != 0) | |
1647 | { | |
1648 | unsigned int i; | |
1649 | ||
1650 | if (bfd_seek (abfd, cmd->tocoff, SEEK_SET) != 0) | |
1651 | return FALSE; | |
1652 | ||
1653 | for (i = 0; i < cmd->ntoc; i++) | |
1654 | { | |
1655 | struct mach_o_dylib_table_of_contents_external raw; | |
1656 | bfd_mach_o_dylib_table_of_content *toc = &cmd->dylib_toc[i]; | |
1657 | ||
1658 | bfd_h_put_32 (abfd, toc->symbol_index, &raw.symbol_index); | |
1659 | bfd_h_put_32 (abfd, toc->module_index, &raw.module_index); | |
1660 | ||
1661 | if (bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
1662 | return FALSE; | |
1663 | } | |
1664 | } | |
68ffbac6 | 1665 | |
7f307238 IS |
1666 | if (cmd->nindirectsyms > 0) |
1667 | { | |
1668 | unsigned int i; | |
1669 | ||
1670 | if (bfd_seek (abfd, cmd->indirectsymoff, SEEK_SET) != 0) | |
1671 | return FALSE; | |
1672 | ||
1673 | for (i = 0; i < cmd->nindirectsyms; ++i) | |
1674 | { | |
1675 | unsigned char raw[4]; | |
1676 | ||
1677 | bfd_h_put_32 (abfd, cmd->indirect_syms[i], &raw); | |
1678 | if (bfd_bwrite (raw, sizeof (raw), abfd) != sizeof (raw)) | |
1679 | return FALSE; | |
68ffbac6 | 1680 | } |
7f307238 IS |
1681 | } |
1682 | ||
1683 | if (cmd->nextrefsyms != 0) | |
1684 | { | |
1685 | unsigned int i; | |
1686 | ||
1687 | if (bfd_seek (abfd, cmd->extrefsymoff, SEEK_SET) != 0) | |
1688 | return FALSE; | |
1689 | ||
1690 | for (i = 0; i < cmd->nextrefsyms; i++) | |
1691 | { | |
1692 | unsigned long v; | |
1693 | unsigned char raw[4]; | |
1694 | bfd_mach_o_dylib_reference *ref = &cmd->ext_refs[i]; | |
1695 | ||
1696 | /* Fields isym and flags are written as bit-fields, thus we need | |
1697 | a specific processing for endianness. */ | |
1698 | ||
1699 | if (bfd_big_endian (abfd)) | |
1700 | { | |
1701 | v = ((ref->isym & 0xffffff) << 8); | |
1702 | v |= ref->flags & 0xff; | |
1703 | } | |
1704 | else | |
1705 | { | |
1706 | v = ref->isym & 0xffffff; | |
1707 | v |= ((ref->flags & 0xff) << 24); | |
1708 | } | |
1709 | ||
1710 | bfd_h_put_32 (abfd, v, raw); | |
1711 | if (bfd_bwrite (raw, sizeof (raw), abfd) != sizeof (raw)) | |
1712 | return FALSE; | |
1713 | } | |
1714 | } | |
1715 | ||
1716 | /* The command. */ | |
1717 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0) | |
1718 | return FALSE; | |
1719 | else | |
1720 | { | |
1721 | struct mach_o_dysymtab_command_external raw; | |
1722 | ||
1723 | bfd_h_put_32 (abfd, cmd->ilocalsym, &raw.ilocalsym); | |
1724 | bfd_h_put_32 (abfd, cmd->nlocalsym, &raw.nlocalsym); | |
1725 | bfd_h_put_32 (abfd, cmd->iextdefsym, &raw.iextdefsym); | |
1726 | bfd_h_put_32 (abfd, cmd->nextdefsym, &raw.nextdefsym); | |
1727 | bfd_h_put_32 (abfd, cmd->iundefsym, &raw.iundefsym); | |
1728 | bfd_h_put_32 (abfd, cmd->nundefsym, &raw.nundefsym); | |
1729 | bfd_h_put_32 (abfd, cmd->tocoff, &raw.tocoff); | |
1730 | bfd_h_put_32 (abfd, cmd->ntoc, &raw.ntoc); | |
1731 | bfd_h_put_32 (abfd, cmd->modtaboff, &raw.modtaboff); | |
1732 | bfd_h_put_32 (abfd, cmd->nmodtab, &raw.nmodtab); | |
1733 | bfd_h_put_32 (abfd, cmd->extrefsymoff, &raw.extrefsymoff); | |
1734 | bfd_h_put_32 (abfd, cmd->nextrefsyms, &raw.nextrefsyms); | |
1735 | bfd_h_put_32 (abfd, cmd->indirectsymoff, &raw.indirectsymoff); | |
1736 | bfd_h_put_32 (abfd, cmd->nindirectsyms, &raw.nindirectsyms); | |
1737 | bfd_h_put_32 (abfd, cmd->extreloff, &raw.extreloff); | |
1738 | bfd_h_put_32 (abfd, cmd->nextrel, &raw.nextrel); | |
1739 | bfd_h_put_32 (abfd, cmd->locreloff, &raw.locreloff); | |
1740 | bfd_h_put_32 (abfd, cmd->nlocrel, &raw.nlocrel); | |
1741 | ||
1742 | if (bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
1743 | return FALSE; | |
1744 | } | |
1745 | ||
1746 | return TRUE; | |
1747 | } | |
1748 | ||
1749 | static unsigned | |
b22161d6 | 1750 | bfd_mach_o_primary_symbol_sort_key (bfd_mach_o_asymbol *s) |
7f307238 | 1751 | { |
b22161d6 | 1752 | unsigned mtyp = s->n_type & BFD_MACH_O_N_TYPE; |
68588f95 IS |
1753 | |
1754 | /* Just leave debug symbols where they are (pretend they are local, and | |
1755 | then they will just be sorted on position). */ | |
b22161d6 | 1756 | if (s->n_type & BFD_MACH_O_N_STAB) |
68588f95 IS |
1757 | return 0; |
1758 | ||
7f307238 | 1759 | /* Local (we should never see an undefined local AFAICT). */ |
b22161d6 | 1760 | if (! (s->n_type & (BFD_MACH_O_N_EXT | BFD_MACH_O_N_PEXT))) |
7f307238 IS |
1761 | return 0; |
1762 | ||
1763 | /* Common symbols look like undefined externs. */ | |
68588f95 | 1764 | if (mtyp == BFD_MACH_O_N_UNDF) |
7f307238 IS |
1765 | return 2; |
1766 | ||
b22161d6 | 1767 | /* A defined non-local, non-debug symbol. */ |
7f307238 IS |
1768 | return 1; |
1769 | } | |
1770 | ||
1771 | static int | |
1772 | bfd_mach_o_cf_symbols (const void *a, const void *b) | |
1773 | { | |
1774 | bfd_mach_o_asymbol *sa = *(bfd_mach_o_asymbol **) a; | |
1775 | bfd_mach_o_asymbol *sb = *(bfd_mach_o_asymbol **) b; | |
1776 | unsigned int soa, sob; | |
1777 | ||
b22161d6 IS |
1778 | soa = bfd_mach_o_primary_symbol_sort_key (sa); |
1779 | sob = bfd_mach_o_primary_symbol_sort_key (sb); | |
7f307238 IS |
1780 | if (soa < sob) |
1781 | return -1; | |
1782 | ||
1783 | if (soa > sob) | |
1784 | return 1; | |
1785 | ||
68588f95 | 1786 | /* If it's local or stab, just preserve the input order. */ |
7f307238 IS |
1787 | if (soa == 0) |
1788 | { | |
1789 | if (sa->symbol.udata.i < sb->symbol.udata.i) | |
1790 | return -1; | |
1791 | if (sa->symbol.udata.i > sb->symbol.udata.i) | |
1792 | return 1; | |
b22161d6 IS |
1793 | |
1794 | /* This is probably an error. */ | |
7f307238 IS |
1795 | return 0; |
1796 | } | |
1797 | ||
b22161d6 IS |
1798 | /* The second sort key is name. */ |
1799 | return strcmp (sa->symbol.name, sb->symbol.name); | |
7f307238 IS |
1800 | } |
1801 | ||
1802 | /* Process the symbols. | |
1803 | ||
1804 | This should be OK for single-module files - but it is not likely to work | |
1805 | for multi-module shared libraries. | |
1806 | ||
1807 | (a) If the application has not filled in the relevant mach-o fields, make | |
1808 | an estimate. | |
1809 | ||
1810 | (b) Order them, like this: | |
1811 | ( i) local. | |
1812 | (unsorted) | |
1813 | ( ii) external defined | |
1814 | (by name) | |
b22161d6 | 1815 | (iii) external undefined/common |
7f307238 IS |
1816 | (by name) |
1817 | ( iv) common | |
1818 | (by name) | |
b22161d6 | 1819 | */ |
92bc0e80 TG |
1820 | |
1821 | static bfd_boolean | |
b22161d6 | 1822 | bfd_mach_o_mangle_symbols (bfd *abfd) |
92bc0e80 TG |
1823 | { |
1824 | unsigned long i; | |
1825 | asymbol **symbols = bfd_get_outsymbols (abfd); | |
1826 | ||
7f307238 IS |
1827 | if (symbols == NULL || bfd_get_symcount (abfd) == 0) |
1828 | return TRUE; | |
1829 | ||
92bc0e80 TG |
1830 | for (i = 0; i < bfd_get_symcount (abfd); i++) |
1831 | { | |
1832 | bfd_mach_o_asymbol *s = (bfd_mach_o_asymbol *)symbols[i]; | |
1833 | ||
b22161d6 IS |
1834 | /* We use this value, which is out-of-range as a symbol index, to signal |
1835 | that the mach-o-specific data are not filled in and need to be created | |
1836 | from the bfd values. It is much preferable for the application to do | |
1837 | this, since more meaningful diagnostics can be made that way. */ | |
1838 | ||
1839 | if (s->symbol.udata.i == SYM_MACHO_FIELDS_UNSET) | |
92bc0e80 | 1840 | { |
b22161d6 IS |
1841 | /* No symbol information has been set - therefore determine |
1842 | it from the bfd symbol flags/info. */ | |
92bc0e80 TG |
1843 | if (s->symbol.section == bfd_abs_section_ptr) |
1844 | s->n_type = BFD_MACH_O_N_ABS; | |
1845 | else if (s->symbol.section == bfd_und_section_ptr) | |
1846 | { | |
1847 | s->n_type = BFD_MACH_O_N_UNDF; | |
1848 | if (s->symbol.flags & BSF_WEAK) | |
1849 | s->n_desc |= BFD_MACH_O_N_WEAK_REF; | |
7f307238 IS |
1850 | /* mach-o automatically makes undefined symbols extern. */ |
1851 | s->n_type |= BFD_MACH_O_N_EXT; | |
b22161d6 | 1852 | s->symbol.flags |= BSF_GLOBAL; |
92bc0e80 TG |
1853 | } |
1854 | else if (s->symbol.section == bfd_com_section_ptr) | |
b22161d6 IS |
1855 | { |
1856 | s->n_type = BFD_MACH_O_N_UNDF | BFD_MACH_O_N_EXT; | |
1857 | s->symbol.flags |= BSF_GLOBAL; | |
1858 | } | |
92bc0e80 TG |
1859 | else |
1860 | s->n_type = BFD_MACH_O_N_SECT; | |
68ffbac6 | 1861 | |
92bc0e80 TG |
1862 | if (s->symbol.flags & BSF_GLOBAL) |
1863 | s->n_type |= BFD_MACH_O_N_EXT; | |
1864 | } | |
1865 | ||
7f307238 | 1866 | /* Put the section index in, where required. */ |
68588f95 | 1867 | if ((s->symbol.section != bfd_abs_section_ptr |
92bc0e80 TG |
1868 | && s->symbol.section != bfd_und_section_ptr |
1869 | && s->symbol.section != bfd_com_section_ptr) | |
68588f95 IS |
1870 | || ((s->n_type & BFD_MACH_O_N_STAB) != 0 |
1871 | && s->symbol.name == NULL)) | |
1872 | s->n_sect = s->symbol.section->target_index; | |
92bc0e80 | 1873 | |
b22161d6 IS |
1874 | /* Number to preserve order for local and debug syms. */ |
1875 | s->symbol.udata.i = i; | |
7f307238 IS |
1876 | } |
1877 | ||
b22161d6 IS |
1878 | /* Sort the symbols. */ |
1879 | qsort ((void *) symbols, (size_t) bfd_get_symcount (abfd), | |
1880 | sizeof (asymbol *), bfd_mach_o_cf_symbols); | |
7f307238 | 1881 | |
b22161d6 IS |
1882 | for (i = 0; i < bfd_get_symcount (abfd); ++i) |
1883 | { | |
1884 | bfd_mach_o_asymbol *s = (bfd_mach_o_asymbol *)symbols[i]; | |
1885 | s->symbol.udata.i = i; /* renumber. */ | |
7f307238 IS |
1886 | } |
1887 | ||
1888 | return TRUE; | |
1889 | } | |
1890 | ||
1891 | /* We build a flat table of sections, which can be re-ordered if necessary. | |
1892 | Fill in the section number and other mach-o-specific data. */ | |
1893 | ||
1894 | static bfd_boolean | |
1895 | bfd_mach_o_mangle_sections (bfd *abfd, bfd_mach_o_data_struct *mdata) | |
1896 | { | |
1897 | asection *sec; | |
1898 | unsigned target_index; | |
1899 | unsigned nsect; | |
1900 | ||
1901 | nsect = bfd_count_sections (abfd); | |
68ffbac6 | 1902 | |
7f307238 IS |
1903 | /* Don't do it if it's already set - assume the application knows what it's |
1904 | doing. */ | |
1905 | if (mdata->nsects == nsect | |
1906 | && (mdata->nsects == 0 || mdata->sections != NULL)) | |
1907 | return TRUE; | |
1908 | ||
1909 | mdata->nsects = nsect; | |
68ffbac6 | 1910 | mdata->sections = bfd_alloc (abfd, |
7f307238 IS |
1911 | mdata->nsects * sizeof (bfd_mach_o_section *)); |
1912 | if (mdata->sections == NULL) | |
1913 | return FALSE; | |
1914 | ||
1915 | /* We need to check that this can be done... */ | |
1916 | if (nsect > 255) | |
1917 | (*_bfd_error_handler) (_("mach-o: there are too many sections (%d)" | |
1918 | " maximum is 255,\n"), nsect); | |
1919 | ||
1920 | /* Create Mach-O sections. | |
68ffbac6 | 1921 | Section type, attribute and align should have been set when the |
7f307238 IS |
1922 | section was created - either read in or specified. */ |
1923 | target_index = 0; | |
1924 | for (sec = abfd->sections; sec; sec = sec->next) | |
1925 | { | |
1926 | unsigned bfd_align = bfd_get_section_alignment (abfd, sec); | |
1927 | bfd_mach_o_section *msect = bfd_mach_o_get_mach_o_section (sec); | |
1928 | ||
1929 | mdata->sections[target_index] = msect; | |
1930 | ||
1931 | msect->addr = bfd_get_section_vma (abfd, sec); | |
1932 | msect->size = bfd_get_section_size (sec); | |
1933 | ||
68ffbac6 | 1934 | /* Use the largest alignment set, in case it was bumped after the |
7f307238 IS |
1935 | section was created. */ |
1936 | msect->align = msect->align > bfd_align ? msect->align : bfd_align; | |
1937 | ||
1938 | msect->offset = 0; | |
1939 | sec->target_index = ++target_index; | |
92bc0e80 | 1940 | } |
7f307238 | 1941 | |
92bc0e80 TG |
1942 | return TRUE; |
1943 | } | |
1944 | ||
154a1ee5 | 1945 | bfd_boolean |
116c20d2 | 1946 | bfd_mach_o_write_contents (bfd *abfd) |
3af9a47b NC |
1947 | { |
1948 | unsigned int i; | |
046b007d | 1949 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
3af9a47b | 1950 | |
7f307238 | 1951 | /* Make the commands, if not already present. */ |
92bc0e80 TG |
1952 | if (mdata->header.ncmds == 0) |
1953 | if (!bfd_mach_o_build_commands (abfd)) | |
1954 | return FALSE; | |
1955 | ||
154a1ee5 | 1956 | if (!bfd_mach_o_write_header (abfd, &mdata->header)) |
b34976b6 | 1957 | return FALSE; |
3af9a47b NC |
1958 | |
1959 | for (i = 0; i < mdata->header.ncmds; i++) | |
1960 | { | |
46d1c23b | 1961 | struct mach_o_load_command_external raw; |
3af9a47b NC |
1962 | bfd_mach_o_load_command *cur = &mdata->commands[i]; |
1963 | unsigned long typeflag; | |
1964 | ||
154a1ee5 | 1965 | typeflag = cur->type | (cur->type_required ? BFD_MACH_O_LC_REQ_DYLD : 0); |
3af9a47b | 1966 | |
46d1c23b TG |
1967 | bfd_h_put_32 (abfd, typeflag, raw.cmd); |
1968 | bfd_h_put_32 (abfd, cur->len, raw.cmdsize); | |
3af9a47b | 1969 | |
c2f09c75 | 1970 | if (bfd_seek (abfd, cur->offset, SEEK_SET) != 0 |
46d1c23b | 1971 | || bfd_bwrite (&raw, BFD_MACH_O_LC_SIZE, abfd) != 8) |
b34976b6 | 1972 | return FALSE; |
3af9a47b NC |
1973 | |
1974 | switch (cur->type) | |
1975 | { | |
1976 | case BFD_MACH_O_LC_SEGMENT: | |
ab273af8 | 1977 | if (bfd_mach_o_write_segment_32 (abfd, cur) != 0) |
1e8a024a TG |
1978 | return FALSE; |
1979 | break; | |
1980 | case BFD_MACH_O_LC_SEGMENT_64: | |
ab273af8 | 1981 | if (bfd_mach_o_write_segment_64 (abfd, cur) != 0) |
b34976b6 | 1982 | return FALSE; |
3af9a47b NC |
1983 | break; |
1984 | case BFD_MACH_O_LC_SYMTAB: | |
ab273af8 | 1985 | if (!bfd_mach_o_write_symtab (abfd, cur)) |
b34976b6 | 1986 | return FALSE; |
3af9a47b | 1987 | break; |
7f307238 IS |
1988 | case BFD_MACH_O_LC_DYSYMTAB: |
1989 | if (!bfd_mach_o_write_dysymtab (abfd, cur)) | |
1990 | return FALSE; | |
1991 | break; | |
3af9a47b NC |
1992 | case BFD_MACH_O_LC_SYMSEG: |
1993 | break; | |
1994 | case BFD_MACH_O_LC_THREAD: | |
1995 | case BFD_MACH_O_LC_UNIXTHREAD: | |
ab273af8 | 1996 | if (bfd_mach_o_write_thread (abfd, cur) != 0) |
b34976b6 | 1997 | return FALSE; |
3af9a47b NC |
1998 | break; |
1999 | case BFD_MACH_O_LC_LOADFVMLIB: | |
2000 | case BFD_MACH_O_LC_IDFVMLIB: | |
2001 | case BFD_MACH_O_LC_IDENT: | |
2002 | case BFD_MACH_O_LC_FVMFILE: | |
2003 | case BFD_MACH_O_LC_PREPAGE: | |
3af9a47b NC |
2004 | case BFD_MACH_O_LC_LOAD_DYLIB: |
2005 | case BFD_MACH_O_LC_LOAD_WEAK_DYLIB: | |
2006 | case BFD_MACH_O_LC_ID_DYLIB: | |
046b007d | 2007 | case BFD_MACH_O_LC_REEXPORT_DYLIB: |
73017762 | 2008 | case BFD_MACH_O_LC_LOAD_UPWARD_DYLIB: |
3af9a47b NC |
2009 | case BFD_MACH_O_LC_LOAD_DYLINKER: |
2010 | case BFD_MACH_O_LC_ID_DYLINKER: | |
2011 | case BFD_MACH_O_LC_PREBOUND_DYLIB: | |
2012 | case BFD_MACH_O_LC_ROUTINES: | |
2013 | case BFD_MACH_O_LC_SUB_FRAMEWORK: | |
2014 | break; | |
2015 | default: | |
4a97a0e5 AM |
2016 | (*_bfd_error_handler) (_("unable to write unknown load command 0x%lx"), |
2017 | (unsigned long) cur->type); | |
b34976b6 | 2018 | return FALSE; |
3af9a47b NC |
2019 | } |
2020 | } | |
2021 | ||
b34976b6 | 2022 | return TRUE; |
3af9a47b NC |
2023 | } |
2024 | ||
f1bde64c TG |
2025 | static void |
2026 | bfd_mach_o_append_section_to_segment (bfd_mach_o_segment_command *seg, | |
2027 | asection *sec) | |
2028 | { | |
2029 | bfd_mach_o_section *s = (bfd_mach_o_section *)sec->used_by_bfd; | |
2030 | if (seg->sect_head == NULL) | |
2031 | seg->sect_head = s; | |
2032 | else | |
2033 | seg->sect_tail->next = s; | |
2034 | seg->sect_tail = s; | |
2035 | } | |
2036 | ||
2037 | /* Create section Mach-O flags from BFD flags. */ | |
2038 | ||
2039 | static void | |
2040 | bfd_mach_o_set_section_flags_from_bfd (bfd *abfd ATTRIBUTE_UNUSED, asection *sec) | |
2041 | { | |
2042 | flagword bfd_flags; | |
2043 | bfd_mach_o_section *s = bfd_mach_o_get_mach_o_section (sec); | |
2044 | ||
2045 | /* Create default flags. */ | |
2046 | bfd_flags = bfd_get_section_flags (abfd, sec); | |
2047 | if ((bfd_flags & SEC_CODE) == SEC_CODE) | |
2048 | s->flags = BFD_MACH_O_S_ATTR_PURE_INSTRUCTIONS | |
2049 | | BFD_MACH_O_S_ATTR_SOME_INSTRUCTIONS | |
2050 | | BFD_MACH_O_S_REGULAR; | |
2051 | else if ((bfd_flags & (SEC_ALLOC | SEC_LOAD)) == SEC_ALLOC) | |
2052 | s->flags = BFD_MACH_O_S_ZEROFILL; | |
2053 | else if (bfd_flags & SEC_DEBUGGING) | |
2054 | s->flags = BFD_MACH_O_S_REGULAR | BFD_MACH_O_S_ATTR_DEBUG; | |
2055 | else | |
2056 | s->flags = BFD_MACH_O_S_REGULAR; | |
2057 | } | |
2058 | ||
7f307238 IS |
2059 | /* Count the number of sections in the list for the segment named. |
2060 | ||
2061 | The special case of NULL or "" for the segment name is valid for | |
68ffbac6 L |
2062 | an MH_OBJECT file and means 'all sections available'. |
2063 | ||
2064 | Requires that the sections table in mdata be filled in. | |
7f307238 IS |
2065 | |
2066 | Returns the number of sections (0 is valid). | |
2067 | Any number > 255 signals an invalid section count, although we will, | |
2068 | perhaps, allow the file to be written (in line with Darwin tools up | |
68ffbac6 L |
2069 | to XCode 4). |
2070 | ||
7f307238 IS |
2071 | A section count of (unsigned long) -1 signals a definite error. */ |
2072 | ||
2073 | static unsigned long | |
2074 | bfd_mach_o_count_sections_for_seg (const char *segment, | |
2075 | bfd_mach_o_data_struct *mdata) | |
2076 | { | |
2077 | unsigned i,j; | |
2078 | if (mdata == NULL || mdata->sections == NULL) | |
2079 | return (unsigned long) -1; | |
2080 | ||
2081 | /* The MH_OBJECT case, all sections are considered; Although nsects is | |
2082 | is an unsigned long, the maximum valid section count is 255 and this | |
2083 | will have been checked already by mangle_sections. */ | |
2084 | if (segment == NULL || segment[0] == '\0') | |
2085 | return mdata->nsects; | |
2086 | ||
2087 | /* Count the number of sections we see in this segment. */ | |
2088 | j = 0; | |
2089 | for (i = 0; i < mdata->nsects; ++i) | |
2090 | { | |
2091 | bfd_mach_o_section *s = mdata->sections[i]; | |
2092 | if (strncmp (segment, s->segname, BFD_MACH_O_SEGNAME_SIZE) == 0) | |
2093 | j++; | |
2094 | } | |
2095 | return j; | |
2096 | } | |
2097 | ||
2098 | static bfd_boolean | |
2099 | bfd_mach_o_build_seg_command (const char *segment, | |
2100 | bfd_mach_o_data_struct *mdata, | |
2101 | bfd_mach_o_segment_command *seg) | |
2102 | { | |
2103 | unsigned i; | |
2104 | int is_mho = (segment == NULL || segment[0] == '\0'); | |
2105 | ||
2106 | /* Fill segment command. */ | |
2107 | if (is_mho) | |
2108 | memset (seg->segname, 0, sizeof (seg->segname)); | |
2109 | else | |
2110 | strncpy (seg->segname, segment, sizeof (seg->segname)); | |
2111 | ||
2112 | /* TODO: fix this up for non-MH_OBJECT cases. */ | |
2113 | seg->vmaddr = 0; | |
e5081f2f | 2114 | seg->vmsize = 0; |
7f307238 IS |
2115 | |
2116 | seg->fileoff = mdata->filelen; | |
2117 | seg->filesize = 0; | |
2118 | seg->maxprot = BFD_MACH_O_PROT_READ | BFD_MACH_O_PROT_WRITE | |
2119 | | BFD_MACH_O_PROT_EXECUTE; | |
2120 | seg->initprot = seg->maxprot; | |
2121 | seg->flags = 0; | |
2122 | seg->sect_head = NULL; | |
2123 | seg->sect_tail = NULL; | |
2124 | ||
68ffbac6 | 2125 | /* Append sections to the segment. |
09903f4b IS |
2126 | |
2127 | This is a little tedious, we have to honor the need to account zerofill | |
2128 | sections after all the rest. This forces us to do the calculation of | |
68ffbac6 | 2129 | total vmsize in three passes so that any alignment increments are |
09903f4b | 2130 | properly accounted. */ |
7f307238 IS |
2131 | |
2132 | for (i = 0; i < mdata->nsects; ++i) | |
2133 | { | |
2134 | bfd_mach_o_section *s = mdata->sections[i]; | |
2135 | asection *sec = s->bfdsection; | |
2136 | ||
2137 | /* If we're not making an MH_OBJECT, check whether this section is from | |
2138 | our segment, and skip if not. Otherwise, just add all sections. */ | |
68ffbac6 | 2139 | if (! is_mho |
7f307238 IS |
2140 | && strncmp (segment, s->segname, BFD_MACH_O_SEGNAME_SIZE) != 0) |
2141 | continue; | |
2142 | ||
09903f4b IS |
2143 | /* Although we account for zerofill section sizes in vm order, they are |
2144 | placed in the file in source sequence. */ | |
7f307238 | 2145 | bfd_mach_o_append_section_to_segment (seg, sec); |
e5081f2f | 2146 | s->offset = 0; |
68ffbac6 L |
2147 | |
2148 | /* Zerofill sections have zero file size & offset, | |
e5081f2f IS |
2149 | and are not written. */ |
2150 | if ((s->flags & BFD_MACH_O_SECTION_TYPE_MASK) == BFD_MACH_O_S_ZEROFILL | |
68ffbac6 | 2151 | || (s->flags & BFD_MACH_O_SECTION_TYPE_MASK) |
e5081f2f IS |
2152 | == BFD_MACH_O_S_GB_ZEROFILL) |
2153 | continue; | |
2154 | ||
2155 | if (s->size > 0) | |
7f307238 | 2156 | { |
09903f4b IS |
2157 | seg->vmsize = FILE_ALIGN (seg->vmsize, s->align); |
2158 | seg->vmsize += s->size; | |
2159 | ||
2160 | seg->filesize = FILE_ALIGN (seg->filesize, s->align); | |
2161 | seg->filesize += s->size; | |
2162 | ||
7f307238 IS |
2163 | mdata->filelen = FILE_ALIGN (mdata->filelen, s->align); |
2164 | s->offset = mdata->filelen; | |
2165 | } | |
2166 | ||
2167 | sec->filepos = s->offset; | |
7f307238 IS |
2168 | mdata->filelen += s->size; |
2169 | } | |
2170 | ||
09903f4b IS |
2171 | /* Now pass through again, for zerofill, only now we just update the vmsize. */ |
2172 | for (i = 0; i < mdata->nsects; ++i) | |
2173 | { | |
2174 | bfd_mach_o_section *s = mdata->sections[i]; | |
2175 | ||
2176 | if ((s->flags & BFD_MACH_O_SECTION_TYPE_MASK) != BFD_MACH_O_S_ZEROFILL) | |
2177 | continue; | |
2178 | ||
68ffbac6 | 2179 | if (! is_mho |
09903f4b IS |
2180 | && strncmp (segment, s->segname, BFD_MACH_O_SEGNAME_SIZE) != 0) |
2181 | continue; | |
2182 | ||
2183 | if (s->size > 0) | |
2184 | { | |
2185 | seg->vmsize = FILE_ALIGN (seg->vmsize, s->align); | |
2186 | seg->vmsize += s->size; | |
2187 | } | |
2188 | } | |
2189 | ||
2190 | /* Now pass through again, for zerofill_GB. */ | |
2191 | for (i = 0; i < mdata->nsects; ++i) | |
2192 | { | |
2193 | bfd_mach_o_section *s = mdata->sections[i]; | |
68ffbac6 | 2194 | |
09903f4b IS |
2195 | if ((s->flags & BFD_MACH_O_SECTION_TYPE_MASK) != BFD_MACH_O_S_GB_ZEROFILL) |
2196 | continue; | |
2197 | ||
68ffbac6 | 2198 | if (! is_mho |
09903f4b IS |
2199 | && strncmp (segment, s->segname, BFD_MACH_O_SEGNAME_SIZE) != 0) |
2200 | continue; | |
2201 | ||
2202 | if (s->size > 0) | |
2203 | { | |
2204 | seg->vmsize = FILE_ALIGN (seg->vmsize, s->align); | |
2205 | seg->vmsize += s->size; | |
2206 | } | |
2207 | } | |
bb76d940 | 2208 | |
09903f4b | 2209 | /* Allocate space for the relocations. */ |
bb76d940 IS |
2210 | mdata->filelen = FILE_ALIGN(mdata->filelen, 2); |
2211 | ||
2212 | for (i = 0; i < mdata->nsects; ++i) | |
2213 | { | |
2214 | bfd_mach_o_section *ms = mdata->sections[i]; | |
2215 | asection *sec = ms->bfdsection; | |
68ffbac6 | 2216 | |
bb76d940 IS |
2217 | if ((ms->nreloc = sec->reloc_count) == 0) |
2218 | { | |
2219 | ms->reloff = 0; | |
2220 | continue; | |
2221 | } | |
2222 | sec->rel_filepos = mdata->filelen; | |
2223 | ms->reloff = sec->rel_filepos; | |
2224 | mdata->filelen += sec->reloc_count * BFD_MACH_O_RELENT_SIZE; | |
2225 | } | |
7f307238 IS |
2226 | |
2227 | return TRUE; | |
2228 | } | |
2229 | ||
50d10658 IS |
2230 | /* Count the number of indirect symbols in the image. |
2231 | Requires that the sections are in their final order. */ | |
2232 | ||
2233 | static unsigned int | |
2234 | bfd_mach_o_count_indirect_symbols (bfd *abfd, bfd_mach_o_data_struct *mdata) | |
2235 | { | |
2236 | unsigned int i; | |
2237 | unsigned int nisyms = 0; | |
2238 | ||
2239 | for (i = 0; i < mdata->nsects; ++i) | |
2240 | { | |
2241 | bfd_mach_o_section *sec = mdata->sections[i]; | |
2242 | ||
2243 | switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK) | |
2244 | { | |
2245 | case BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS: | |
2246 | case BFD_MACH_O_S_LAZY_SYMBOL_POINTERS: | |
2247 | case BFD_MACH_O_S_SYMBOL_STUBS: | |
2248 | nisyms += bfd_mach_o_section_get_nbr_indirect (abfd, sec); | |
2249 | break; | |
2250 | default: | |
2251 | break; | |
2252 | } | |
2253 | } | |
2254 | return nisyms; | |
2255 | } | |
2256 | ||
7f307238 IS |
2257 | static bfd_boolean |
2258 | bfd_mach_o_build_dysymtab_command (bfd *abfd, | |
2259 | bfd_mach_o_data_struct *mdata, | |
2260 | bfd_mach_o_load_command *cmd) | |
2261 | { | |
2262 | bfd_mach_o_dysymtab_command *dsym = &cmd->command.dysymtab; | |
2263 | ||
2264 | /* TODO: | |
2265 | We are not going to try and fill these in yet and, moreover, we are | |
2266 | going to bail if they are already set. */ | |
2267 | if (dsym->nmodtab != 0 | |
2268 | || dsym->ntoc != 0 | |
2269 | || dsym->nextrefsyms != 0) | |
2270 | { | |
2271 | (*_bfd_error_handler) (_("sorry: modtab, toc and extrefsyms are not yet" | |
2272 | " implemented for dysymtab commands.")); | |
2273 | return FALSE; | |
2274 | } | |
2275 | ||
2276 | dsym->ilocalsym = 0; | |
7f307238 | 2277 | |
b22161d6 | 2278 | if (bfd_get_symcount (abfd) > 0) |
7f307238 | 2279 | { |
b22161d6 IS |
2280 | asymbol **symbols = bfd_get_outsymbols (abfd); |
2281 | unsigned long i; | |
2282 | ||
2283 | /* Count the number of each kind of symbol. */ | |
2284 | for (i = 0; i < bfd_get_symcount (abfd); ++i) | |
2285 | { | |
2286 | bfd_mach_o_asymbol *s = (bfd_mach_o_asymbol *)symbols[i]; | |
2287 | if (s->n_type & (BFD_MACH_O_N_EXT | BFD_MACH_O_N_PEXT)) | |
2288 | break; | |
2289 | } | |
2290 | dsym->nlocalsym = i; | |
2291 | dsym->iextdefsym = i; | |
2292 | for (; i < bfd_get_symcount (abfd); ++i) | |
2293 | { | |
2294 | bfd_mach_o_asymbol *s = (bfd_mach_o_asymbol *)symbols[i]; | |
2295 | if ((s->n_type & BFD_MACH_O_N_TYPE) == BFD_MACH_O_N_UNDF) | |
2296 | break; | |
2297 | } | |
2298 | dsym->nextdefsym = i - dsym->nlocalsym; | |
2299 | dsym->iundefsym = dsym->nextdefsym + dsym->iextdefsym; | |
68ffbac6 L |
2300 | dsym->nundefsym = bfd_get_symcount (abfd) |
2301 | - dsym->nlocalsym | |
b22161d6 IS |
2302 | - dsym->nextdefsym; |
2303 | } | |
2304 | else | |
2305 | { | |
2306 | dsym->nlocalsym = 0; | |
2307 | dsym->iextdefsym = 0; | |
2308 | dsym->nextdefsym = 0; | |
2309 | dsym->iundefsym = 0; | |
2310 | dsym->nundefsym = 0; | |
2311 | } | |
2312 | ||
50d10658 | 2313 | dsym->nindirectsyms = bfd_mach_o_count_indirect_symbols (abfd, mdata); |
b22161d6 IS |
2314 | if (dsym->nindirectsyms > 0) |
2315 | { | |
2316 | unsigned i; | |
50d10658 | 2317 | unsigned n; |
7f307238 IS |
2318 | |
2319 | mdata->filelen = FILE_ALIGN (mdata->filelen, 2); | |
2320 | dsym->indirectsymoff = mdata->filelen; | |
b22161d6 | 2321 | mdata->filelen += dsym->nindirectsyms * 4; |
68ffbac6 | 2322 | |
b22161d6 | 2323 | dsym->indirect_syms = bfd_zalloc (abfd, dsym->nindirectsyms * 4); |
7f307238 IS |
2324 | if (dsym->indirect_syms == NULL) |
2325 | return FALSE; | |
68ffbac6 | 2326 | |
50d10658 IS |
2327 | n = 0; |
2328 | for (i = 0; i < mdata->nsects; ++i) | |
7f307238 | 2329 | { |
50d10658 IS |
2330 | bfd_mach_o_section *sec = mdata->sections[i]; |
2331 | ||
2332 | switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK) | |
2333 | { | |
2334 | case BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS: | |
2335 | case BFD_MACH_O_S_LAZY_SYMBOL_POINTERS: | |
2336 | case BFD_MACH_O_S_SYMBOL_STUBS: | |
2337 | { | |
2338 | unsigned j, num; | |
2339 | bfd_mach_o_asymbol **isyms = sec->indirect_syms; | |
68ffbac6 | 2340 | |
50d10658 IS |
2341 | num = bfd_mach_o_section_get_nbr_indirect (abfd, sec); |
2342 | if (isyms == NULL || num == 0) | |
2343 | break; | |
2344 | /* Record the starting index in the reserved1 field. */ | |
2345 | sec->reserved1 = n; | |
2346 | for (j = 0; j < num; j++, n++) | |
2347 | { | |
2348 | if (isyms[j] == NULL) | |
2349 | dsym->indirect_syms[n] = BFD_MACH_O_INDIRECT_SYM_LOCAL; | |
687be931 IS |
2350 | else if (isyms[j]->symbol.section == bfd_abs_section_ptr |
2351 | && ! (isyms[j]->n_type & BFD_MACH_O_N_EXT)) | |
2352 | dsym->indirect_syms[n] = BFD_MACH_O_INDIRECT_SYM_LOCAL | |
2353 | | BFD_MACH_O_INDIRECT_SYM_ABS; | |
50d10658 IS |
2354 | else |
2355 | dsym->indirect_syms[n] = isyms[j]->symbol.udata.i; | |
2356 | } | |
2357 | } | |
2358 | break; | |
2359 | default: | |
2360 | break; | |
2361 | } | |
7f307238 IS |
2362 | } |
2363 | } | |
2364 | ||
2365 | return TRUE; | |
2366 | } | |
2367 | ||
2368 | /* Build Mach-O load commands (currently assuming an MH_OBJECT file). | |
2369 | TODO: Other file formats, rebuilding symtab/dysymtab commands for strip | |
2370 | and copy functionality. */ | |
154a1ee5 TG |
2371 | |
2372 | bfd_boolean | |
2373 | bfd_mach_o_build_commands (bfd *abfd) | |
2374 | { | |
046b007d | 2375 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
bbd56171 IS |
2376 | unsigned wide = mach_o_wide_p (&mdata->header); |
2377 | int segcmd_idx = -1; | |
2378 | int symtab_idx = -1; | |
2379 | int dysymtab_idx = -1; | |
2380 | unsigned long base_offset = 0; | |
154a1ee5 | 2381 | |
7f307238 | 2382 | /* Return now if commands are already present. */ |
154a1ee5 TG |
2383 | if (mdata->header.ncmds) |
2384 | return FALSE; | |
2385 | ||
7f307238 | 2386 | /* Fill in the file type, if not already set. */ |
154a1ee5 | 2387 | |
7f307238 | 2388 | if (mdata->header.filetype == 0) |
154a1ee5 | 2389 | { |
7f307238 IS |
2390 | if (abfd->flags & EXEC_P) |
2391 | mdata->header.filetype = BFD_MACH_O_MH_EXECUTE; | |
2392 | else if (abfd->flags & DYNAMIC) | |
2393 | mdata->header.filetype = BFD_MACH_O_MH_DYLIB; | |
2394 | else | |
2395 | mdata->header.filetype = BFD_MACH_O_MH_OBJECT; | |
154a1ee5 | 2396 | } |
7f307238 IS |
2397 | |
2398 | /* If hasn't already been done, flatten sections list, and sort | |
2399 | if/when required. Must be done before the symbol table is adjusted, | |
2400 | since that depends on properly numbered sections. */ | |
2401 | if (mdata->nsects == 0 || mdata->sections == NULL) | |
2402 | if (! bfd_mach_o_mangle_sections (abfd, mdata)) | |
2403 | return FALSE; | |
2404 | ||
2405 | /* Order the symbol table, fill-in/check mach-o specific fields and | |
2406 | partition out any indirect symbols. */ | |
b22161d6 | 2407 | if (!bfd_mach_o_mangle_symbols (abfd)) |
7f307238 IS |
2408 | return FALSE; |
2409 | ||
bbd56171 IS |
2410 | /* Very simple command set (only really applicable to MH_OBJECTs): |
2411 | All the commands are optional - present only when there is suitable data. | |
2412 | (i.e. it is valid to have an empty file) | |
2413 | ||
2414 | a command (segment) to contain all the sections, | |
2415 | command for the symbol table, | |
68ffbac6 | 2416 | a command for the dysymtab. |
bbd56171 IS |
2417 | |
2418 | ??? maybe we should assert that this is an MH_OBJECT? */ | |
2419 | ||
7f307238 | 2420 | if (mdata->nsects > 0) |
154a1ee5 | 2421 | { |
bbd56171 | 2422 | segcmd_idx = 0; |
7f307238 | 2423 | mdata->header.ncmds = 1; |
154a1ee5 | 2424 | } |
154a1ee5 | 2425 | |
7f307238 | 2426 | if (bfd_get_symcount (abfd) > 0) |
bbd56171 IS |
2427 | { |
2428 | mdata->header.ncmds++; | |
2429 | symtab_idx = segcmd_idx + 1; /* 0 if the seg command is absent. */ | |
2430 | } | |
c2f09c75 | 2431 | |
bbd56171 IS |
2432 | /* FIXME: |
2433 | This is a rather crude test for whether we should build a dysymtab. */ | |
2434 | if (bfd_mach_o_should_emit_dysymtab () | |
2435 | && bfd_get_symcount (abfd)) | |
2436 | { | |
2437 | mdata->header.ncmds++; | |
2438 | /* If there should be a case where a dysymtab could be emitted without | |
2439 | a symtab (seems improbable), this would need amending. */ | |
2440 | dysymtab_idx = symtab_idx + 1; | |
2441 | } | |
154a1ee5 | 2442 | |
bbd56171 IS |
2443 | if (wide) |
2444 | base_offset = BFD_MACH_O_HEADER_64_SIZE; | |
2445 | else | |
2446 | base_offset = BFD_MACH_O_HEADER_SIZE; | |
c2f09c75 | 2447 | |
bbd56171 IS |
2448 | /* Well, we must have a header, at least. */ |
2449 | mdata->filelen = base_offset; | |
f1bde64c | 2450 | |
bbd56171 | 2451 | /* A bit unusual, but no content is valid; |
7f307238 IS |
2452 | as -n empty.s -o empty.o */ |
2453 | if (mdata->header.ncmds == 0) | |
2454 | return TRUE; | |
f1bde64c | 2455 | |
7f307238 IS |
2456 | mdata->commands = bfd_zalloc (abfd, mdata->header.ncmds |
2457 | * sizeof (bfd_mach_o_load_command)); | |
2458 | if (mdata->commands == NULL) | |
2459 | return FALSE; | |
2460 | ||
bbd56171 | 2461 | if (segcmd_idx >= 0) |
68ffbac6 | 2462 | { |
bbd56171 IS |
2463 | bfd_mach_o_load_command *cmd = &mdata->commands[segcmd_idx]; |
2464 | bfd_mach_o_segment_command *seg = &cmd->command.segment; | |
7f307238 IS |
2465 | |
2466 | /* Count the segctions in the special blank segment used for MH_OBJECT. */ | |
2467 | seg->nsects = bfd_mach_o_count_sections_for_seg (NULL, mdata); | |
2468 | if (seg->nsects == (unsigned long) -1) | |
2469 | return FALSE; | |
2470 | ||
2471 | /* Init segment command. */ | |
bbd56171 | 2472 | cmd->offset = base_offset; |
7f307238 IS |
2473 | if (wide) |
2474 | { | |
2475 | cmd->type = BFD_MACH_O_LC_SEGMENT_64; | |
7f307238 IS |
2476 | cmd->len = BFD_MACH_O_LC_SEGMENT_64_SIZE |
2477 | + BFD_MACH_O_SECTION_64_SIZE * seg->nsects; | |
2478 | } | |
92bc0e80 | 2479 | else |
7f307238 IS |
2480 | { |
2481 | cmd->type = BFD_MACH_O_LC_SEGMENT; | |
7f307238 IS |
2482 | cmd->len = BFD_MACH_O_LC_SEGMENT_SIZE |
2483 | + BFD_MACH_O_SECTION_SIZE * seg->nsects; | |
2484 | } | |
bbd56171 | 2485 | |
7f307238 IS |
2486 | cmd->type_required = FALSE; |
2487 | mdata->header.sizeofcmds = cmd->len; | |
bbd56171 | 2488 | mdata->filelen += cmd->len; |
7f307238 | 2489 | } |
f1bde64c | 2490 | |
bbd56171 | 2491 | if (symtab_idx >= 0) |
7f307238 IS |
2492 | { |
2493 | /* Init symtab command. */ | |
bbd56171 | 2494 | bfd_mach_o_load_command *cmd = &mdata->commands[symtab_idx]; |
68ffbac6 | 2495 | |
bbd56171 IS |
2496 | cmd->type = BFD_MACH_O_LC_SYMTAB; |
2497 | cmd->offset = base_offset; | |
2498 | if (segcmd_idx >= 0) | |
2499 | cmd->offset += mdata->commands[segcmd_idx].len; | |
2500 | ||
2501 | cmd->len = sizeof (struct mach_o_symtab_command_external) | |
2502 | + BFD_MACH_O_LC_SIZE; | |
2503 | cmd->type_required = FALSE; | |
2504 | mdata->header.sizeofcmds += cmd->len; | |
2505 | mdata->filelen += cmd->len; | |
7f307238 | 2506 | } |
154a1ee5 | 2507 | |
bbd56171 IS |
2508 | /* If required, setup symtab command, see comment above about the quality |
2509 | of this test. */ | |
2510 | if (dysymtab_idx >= 0) | |
7f307238 | 2511 | { |
bbd56171 IS |
2512 | bfd_mach_o_load_command *cmd = &mdata->commands[dysymtab_idx]; |
2513 | ||
7f307238 | 2514 | cmd->type = BFD_MACH_O_LC_DYSYMTAB; |
bbd56171 | 2515 | if (symtab_idx >= 0) |
68ffbac6 | 2516 | cmd->offset = mdata->commands[symtab_idx].offset |
bbd56171 IS |
2517 | + mdata->commands[symtab_idx].len; |
2518 | else if (segcmd_idx >= 0) | |
68ffbac6 | 2519 | cmd->offset = mdata->commands[segcmd_idx].offset |
bbd56171 IS |
2520 | + mdata->commands[segcmd_idx].len; |
2521 | else | |
2522 | cmd->offset = base_offset; | |
2523 | ||
7f307238 | 2524 | cmd->type_required = FALSE; |
bbd56171 IS |
2525 | cmd->len = sizeof (struct mach_o_dysymtab_command_external) |
2526 | + BFD_MACH_O_LC_SIZE; | |
7f307238 IS |
2527 | |
2528 | mdata->header.sizeofcmds += cmd->len; | |
2529 | mdata->filelen += cmd->len; | |
154a1ee5 | 2530 | } |
154a1ee5 | 2531 | |
7f307238 IS |
2532 | /* So, now we have sized the commands and the filelen set to that. |
2533 | Now we can build the segment command and set the section file offsets. */ | |
bbd56171 | 2534 | if (segcmd_idx >= 0 |
68ffbac6 | 2535 | && ! bfd_mach_o_build_seg_command |
bbd56171 | 2536 | (NULL, mdata, &mdata->commands[segcmd_idx].command.segment)) |
7f307238 IS |
2537 | return FALSE; |
2538 | ||
2539 | /* If we're doing a dysymtab, cmd points to its load command. */ | |
bbd56171 | 2540 | if (dysymtab_idx >= 0 |
68ffbac6 | 2541 | && ! bfd_mach_o_build_dysymtab_command (abfd, mdata, |
bbd56171 | 2542 | &mdata->commands[dysymtab_idx])) |
7f307238 IS |
2543 | return FALSE; |
2544 | ||
2545 | /* The symtab command is filled in when the symtab is written. */ | |
154a1ee5 TG |
2546 | return TRUE; |
2547 | } | |
2548 | ||
2549 | /* Set the contents of a section. */ | |
2550 | ||
2551 | bfd_boolean | |
2552 | bfd_mach_o_set_section_contents (bfd *abfd, | |
2553 | asection *section, | |
2554 | const void * location, | |
2555 | file_ptr offset, | |
2556 | bfd_size_type count) | |
2557 | { | |
2558 | file_ptr pos; | |
2559 | ||
7f307238 IS |
2560 | /* Trying to write the first section contents will trigger the creation of |
2561 | the load commands if they are not already present. */ | |
154a1ee5 TG |
2562 | if (! abfd->output_has_begun && ! bfd_mach_o_build_commands (abfd)) |
2563 | return FALSE; | |
2564 | ||
2565 | if (count == 0) | |
2566 | return TRUE; | |
2567 | ||
2568 | pos = section->filepos + offset; | |
2569 | if (bfd_seek (abfd, pos, SEEK_SET) != 0 | |
2570 | || bfd_bwrite (location, count, abfd) != count) | |
2571 | return FALSE; | |
2572 | ||
2573 | return TRUE; | |
2574 | } | |
2575 | ||
2576 | int | |
116c20d2 | 2577 | bfd_mach_o_sizeof_headers (bfd *a ATTRIBUTE_UNUSED, |
a6b96beb | 2578 | struct bfd_link_info *info ATTRIBUTE_UNUSED) |
3af9a47b NC |
2579 | { |
2580 | return 0; | |
2581 | } | |
2582 | ||
2583 | /* Make an empty symbol. This is required only because | |
2584 | bfd_make_section_anyway wants to create a symbol for the section. */ | |
2585 | ||
154a1ee5 | 2586 | asymbol * |
116c20d2 | 2587 | bfd_mach_o_make_empty_symbol (bfd *abfd) |
3af9a47b | 2588 | { |
d3ce72d0 NC |
2589 | asymbol *new_symbol; |
2590 | ||
2591 | new_symbol = bfd_zalloc (abfd, sizeof (bfd_mach_o_asymbol)); | |
2592 | if (new_symbol == NULL) | |
2593 | return new_symbol; | |
2594 | new_symbol->the_bfd = abfd; | |
b22161d6 | 2595 | new_symbol->udata.i = SYM_MACHO_FIELDS_UNSET; |
d3ce72d0 | 2596 | return new_symbol; |
3af9a47b NC |
2597 | } |
2598 | ||
154a1ee5 | 2599 | static bfd_boolean |
116c20d2 | 2600 | bfd_mach_o_read_header (bfd *abfd, bfd_mach_o_header *header) |
3af9a47b | 2601 | { |
46d1c23b | 2602 | struct mach_o_header_external raw; |
1e8a024a | 2603 | unsigned int size; |
edeb6e24 | 2604 | bfd_vma (*get32) (const void *) = NULL; |
3af9a47b | 2605 | |
1e8a024a | 2606 | /* Just read the magic number. */ |
c2f09c75 | 2607 | if (bfd_seek (abfd, 0, SEEK_SET) != 0 |
46d1c23b | 2608 | || bfd_bread (raw.magic, sizeof (raw.magic), abfd) != 4) |
154a1ee5 | 2609 | return FALSE; |
3af9a47b | 2610 | |
46d1c23b | 2611 | if (bfd_getb32 (raw.magic) == BFD_MACH_O_MH_MAGIC) |
3af9a47b NC |
2612 | { |
2613 | header->byteorder = BFD_ENDIAN_BIG; | |
154a1ee5 | 2614 | header->magic = BFD_MACH_O_MH_MAGIC; |
1e8a024a | 2615 | header->version = 1; |
3af9a47b NC |
2616 | get32 = bfd_getb32; |
2617 | } | |
46d1c23b | 2618 | else if (bfd_getl32 (raw.magic) == BFD_MACH_O_MH_MAGIC) |
3af9a47b | 2619 | { |
a95a4550 | 2620 | header->byteorder = BFD_ENDIAN_LITTLE; |
154a1ee5 | 2621 | header->magic = BFD_MACH_O_MH_MAGIC; |
1e8a024a TG |
2622 | header->version = 1; |
2623 | get32 = bfd_getl32; | |
2624 | } | |
46d1c23b | 2625 | else if (bfd_getb32 (raw.magic) == BFD_MACH_O_MH_MAGIC_64) |
1e8a024a TG |
2626 | { |
2627 | header->byteorder = BFD_ENDIAN_BIG; | |
154a1ee5 | 2628 | header->magic = BFD_MACH_O_MH_MAGIC_64; |
1e8a024a TG |
2629 | header->version = 2; |
2630 | get32 = bfd_getb32; | |
2631 | } | |
46d1c23b | 2632 | else if (bfd_getl32 (raw.magic) == BFD_MACH_O_MH_MAGIC_64) |
1e8a024a TG |
2633 | { |
2634 | header->byteorder = BFD_ENDIAN_LITTLE; | |
154a1ee5 | 2635 | header->magic = BFD_MACH_O_MH_MAGIC_64; |
1e8a024a | 2636 | header->version = 2; |
3af9a47b NC |
2637 | get32 = bfd_getl32; |
2638 | } | |
2639 | else | |
2640 | { | |
2641 | header->byteorder = BFD_ENDIAN_UNKNOWN; | |
154a1ee5 | 2642 | return FALSE; |
3af9a47b | 2643 | } |
a95a4550 | 2644 | |
1e8a024a | 2645 | /* Once the size of the header is known, read the full header. */ |
c2f09c75 | 2646 | size = mach_o_wide_p (header) ? |
154a1ee5 | 2647 | BFD_MACH_O_HEADER_64_SIZE : BFD_MACH_O_HEADER_SIZE; |
1e8a024a | 2648 | |
c2f09c75 | 2649 | if (bfd_seek (abfd, 0, SEEK_SET) != 0 |
46d1c23b | 2650 | || bfd_bread (&raw, size, abfd) != size) |
154a1ee5 | 2651 | return FALSE; |
1e8a024a | 2652 | |
46d1c23b TG |
2653 | header->cputype = (*get32) (raw.cputype); |
2654 | header->cpusubtype = (*get32) (raw.cpusubtype); | |
2655 | header->filetype = (*get32) (raw.filetype); | |
2656 | header->ncmds = (*get32) (raw.ncmds); | |
2657 | header->sizeofcmds = (*get32) (raw.sizeofcmds); | |
2658 | header->flags = (*get32) (raw.flags); | |
3af9a47b | 2659 | |
c2f09c75 | 2660 | if (mach_o_wide_p (header)) |
46d1c23b | 2661 | header->reserved = (*get32) (raw.reserved); |
facf03f2 TG |
2662 | else |
2663 | header->reserved = 0; | |
1e8a024a | 2664 | |
154a1ee5 | 2665 | return TRUE; |
3af9a47b NC |
2666 | } |
2667 | ||
f1bde64c TG |
2668 | bfd_boolean |
2669 | bfd_mach_o_new_section_hook (bfd *abfd, asection *sec) | |
2670 | { | |
2671 | bfd_mach_o_section *s; | |
a4551119 | 2672 | unsigned bfdalign = bfd_get_section_alignment (abfd, sec); |
f1bde64c TG |
2673 | |
2674 | s = bfd_mach_o_get_mach_o_section (sec); | |
2675 | if (s == NULL) | |
2676 | { | |
2677 | flagword bfd_flags; | |
a4551119 | 2678 | static const mach_o_section_name_xlat * xlat; |
f1bde64c TG |
2679 | |
2680 | s = (bfd_mach_o_section *) bfd_zalloc (abfd, sizeof (*s)); | |
2681 | if (s == NULL) | |
2682 | return FALSE; | |
2683 | sec->used_by_bfd = s; | |
2684 | s->bfdsection = sec; | |
2685 | ||
a4551119 TG |
2686 | /* Create the Darwin seg/sect name pair from the bfd name. |
2687 | If this is a canonical name for which a specific paiting exists | |
2688 | there will also be defined flags, type, attribute and alignment | |
2689 | values. */ | |
2690 | xlat = bfd_mach_o_convert_section_name_to_mach_o (abfd, sec, s); | |
2691 | if (xlat != NULL) | |
2692 | { | |
2693 | s->flags = xlat->macho_sectype | xlat->macho_secattr; | |
68ffbac6 | 2694 | s->align = xlat->sectalign > bfdalign ? xlat->sectalign |
a4551119 TG |
2695 | : bfdalign; |
2696 | bfd_set_section_alignment (abfd, sec, s->align); | |
2697 | bfd_flags = bfd_get_section_flags (abfd, sec); | |
2698 | if (bfd_flags == SEC_NO_FLAGS) | |
2699 | bfd_set_section_flags (abfd, sec, xlat->bfd_flags); | |
2700 | } | |
f1bde64c | 2701 | else |
a4551119 TG |
2702 | /* Create default flags. */ |
2703 | bfd_mach_o_set_section_flags_from_bfd (abfd, sec); | |
f1bde64c TG |
2704 | } |
2705 | ||
2706 | return _bfd_generic_new_section_hook (abfd, sec); | |
2707 | } | |
2708 | ||
2709 | static void | |
2710 | bfd_mach_o_init_section_from_mach_o (bfd *abfd, asection *sec, | |
2711 | unsigned long prot) | |
3af9a47b | 2712 | { |
117ed4f8 | 2713 | flagword flags; |
f1bde64c | 2714 | bfd_mach_o_section *section; |
3af9a47b | 2715 | |
f1bde64c TG |
2716 | flags = bfd_get_section_flags (abfd, sec); |
2717 | section = bfd_mach_o_get_mach_o_section (sec); | |
3af9a47b | 2718 | |
a4551119 TG |
2719 | /* TODO: see if we should use the xlat system for doing this by |
2720 | preference and fall back to this for unknown sections. */ | |
2721 | ||
8462aec7 | 2722 | if (flags == SEC_NO_FLAGS) |
ef17cb22 | 2723 | { |
8462aec7 TG |
2724 | /* Try to guess flags. */ |
2725 | if (section->flags & BFD_MACH_O_S_ATTR_DEBUG) | |
2726 | flags = SEC_DEBUGGING; | |
2727 | else | |
2728 | { | |
2729 | flags = SEC_ALLOC; | |
2730 | if ((section->flags & BFD_MACH_O_SECTION_TYPE_MASK) | |
2731 | != BFD_MACH_O_S_ZEROFILL) | |
2732 | { | |
2733 | flags |= SEC_LOAD; | |
2734 | if (prot & BFD_MACH_O_PROT_EXECUTE) | |
2735 | flags |= SEC_CODE; | |
2736 | if (prot & BFD_MACH_O_PROT_WRITE) | |
2737 | flags |= SEC_DATA; | |
2738 | else if (prot & BFD_MACH_O_PROT_READ) | |
2739 | flags |= SEC_READONLY; | |
2740 | } | |
2741 | } | |
ef17cb22 | 2742 | } |
15e1c58a TG |
2743 | else |
2744 | { | |
8462aec7 TG |
2745 | if ((flags & SEC_DEBUGGING) == 0) |
2746 | flags |= SEC_ALLOC; | |
15e1c58a | 2747 | } |
8462aec7 TG |
2748 | |
2749 | if (section->offset != 0) | |
2750 | flags |= SEC_HAS_CONTENTS; | |
92bc0e80 TG |
2751 | if (section->nreloc != 0) |
2752 | flags |= SEC_RELOC; | |
2753 | ||
f1bde64c TG |
2754 | bfd_set_section_flags (abfd, sec, flags); |
2755 | ||
2756 | sec->vma = section->addr; | |
2757 | sec->lma = section->addr; | |
2758 | sec->size = section->size; | |
2759 | sec->filepos = section->offset; | |
2760 | sec->alignment_power = section->align; | |
2761 | sec->segment_mark = 0; | |
2762 | sec->reloc_count = section->nreloc; | |
2763 | sec->rel_filepos = section->reloff; | |
2764 | } | |
2765 | ||
2766 | static asection * | |
2767 | bfd_mach_o_make_bfd_section (bfd *abfd, | |
2768 | const unsigned char *segname, | |
2769 | const unsigned char *sectname) | |
2770 | { | |
2771 | const char *sname; | |
2772 | flagword flags; | |
a95a4550 | 2773 | |
f1bde64c TG |
2774 | bfd_mach_o_convert_section_name_to_bfd |
2775 | (abfd, (const char *)segname, (const char *)sectname, &sname, &flags); | |
2776 | if (sname == NULL) | |
2777 | return NULL; | |
3af9a47b | 2778 | |
f1bde64c | 2779 | return bfd_make_section_anyway_with_flags (abfd, sname, flags); |
3af9a47b NC |
2780 | } |
2781 | ||
f1bde64c | 2782 | static asection * |
ab273af8 | 2783 | bfd_mach_o_read_section_32 (bfd *abfd, |
ab273af8 TG |
2784 | unsigned int offset, |
2785 | unsigned long prot) | |
3af9a47b | 2786 | { |
46d1c23b | 2787 | struct mach_o_section_32_external raw; |
f1bde64c TG |
2788 | asection *sec; |
2789 | bfd_mach_o_section *section; | |
3af9a47b | 2790 | |
c2f09c75 | 2791 | if (bfd_seek (abfd, offset, SEEK_SET) != 0 |
46d1c23b | 2792 | || (bfd_bread (&raw, BFD_MACH_O_SECTION_SIZE, abfd) |
c2f09c75 | 2793 | != BFD_MACH_O_SECTION_SIZE)) |
f1bde64c | 2794 | return NULL; |
a95a4550 | 2795 | |
5a5cbf72 | 2796 | sec = bfd_mach_o_make_bfd_section (abfd, raw.segname, raw.sectname); |
f1bde64c TG |
2797 | if (sec == NULL) |
2798 | return NULL; | |
2799 | ||
2800 | section = bfd_mach_o_get_mach_o_section (sec); | |
2801 | memcpy (section->segname, raw.segname, sizeof (raw.segname)); | |
2802 | section->segname[BFD_MACH_O_SEGNAME_SIZE] = 0; | |
2803 | memcpy (section->sectname, raw.sectname, sizeof (raw.sectname)); | |
69499dca | 2804 | section->sectname[BFD_MACH_O_SECTNAME_SIZE] = 0; |
46d1c23b TG |
2805 | section->addr = bfd_h_get_32 (abfd, raw.addr); |
2806 | section->size = bfd_h_get_32 (abfd, raw.size); | |
2807 | section->offset = bfd_h_get_32 (abfd, raw.offset); | |
2808 | section->align = bfd_h_get_32 (abfd, raw.align); | |
2809 | section->reloff = bfd_h_get_32 (abfd, raw.reloff); | |
2810 | section->nreloc = bfd_h_get_32 (abfd, raw.nreloc); | |
2811 | section->flags = bfd_h_get_32 (abfd, raw.flags); | |
2812 | section->reserved1 = bfd_h_get_32 (abfd, raw.reserved1); | |
2813 | section->reserved2 = bfd_h_get_32 (abfd, raw.reserved2); | |
1e8a024a | 2814 | section->reserved3 = 0; |
1e8a024a | 2815 | |
f1bde64c | 2816 | bfd_mach_o_init_section_from_mach_o (abfd, sec, prot); |
1e8a024a | 2817 | |
f1bde64c | 2818 | return sec; |
1e8a024a TG |
2819 | } |
2820 | ||
f1bde64c | 2821 | static asection * |
ab273af8 | 2822 | bfd_mach_o_read_section_64 (bfd *abfd, |
ab273af8 TG |
2823 | unsigned int offset, |
2824 | unsigned long prot) | |
1e8a024a | 2825 | { |
46d1c23b | 2826 | struct mach_o_section_64_external raw; |
f1bde64c TG |
2827 | asection *sec; |
2828 | bfd_mach_o_section *section; | |
1e8a024a | 2829 | |
c2f09c75 | 2830 | if (bfd_seek (abfd, offset, SEEK_SET) != 0 |
46d1c23b | 2831 | || (bfd_bread (&raw, BFD_MACH_O_SECTION_64_SIZE, abfd) |
c2f09c75 | 2832 | != BFD_MACH_O_SECTION_64_SIZE)) |
f1bde64c TG |
2833 | return NULL; |
2834 | ||
5a5cbf72 | 2835 | sec = bfd_mach_o_make_bfd_section (abfd, raw.segname, raw.sectname); |
f1bde64c TG |
2836 | if (sec == NULL) |
2837 | return NULL; | |
1e8a024a | 2838 | |
f1bde64c TG |
2839 | section = bfd_mach_o_get_mach_o_section (sec); |
2840 | memcpy (section->segname, raw.segname, sizeof (raw.segname)); | |
2841 | section->segname[BFD_MACH_O_SEGNAME_SIZE] = 0; | |
2842 | memcpy (section->sectname, raw.sectname, sizeof (raw.sectname)); | |
69499dca | 2843 | section->sectname[BFD_MACH_O_SECTNAME_SIZE] = 0; |
46d1c23b TG |
2844 | section->addr = bfd_h_get_64 (abfd, raw.addr); |
2845 | section->size = bfd_h_get_64 (abfd, raw.size); | |
2846 | section->offset = bfd_h_get_32 (abfd, raw.offset); | |
2847 | section->align = bfd_h_get_32 (abfd, raw.align); | |
2848 | section->reloff = bfd_h_get_32 (abfd, raw.reloff); | |
2849 | section->nreloc = bfd_h_get_32 (abfd, raw.nreloc); | |
2850 | section->flags = bfd_h_get_32 (abfd, raw.flags); | |
2851 | section->reserved1 = bfd_h_get_32 (abfd, raw.reserved1); | |
2852 | section->reserved2 = bfd_h_get_32 (abfd, raw.reserved2); | |
2853 | section->reserved3 = bfd_h_get_32 (abfd, raw.reserved3); | |
3af9a47b | 2854 | |
f1bde64c | 2855 | bfd_mach_o_init_section_from_mach_o (abfd, sec, prot); |
3af9a47b | 2856 | |
f1bde64c | 2857 | return sec; |
3af9a47b NC |
2858 | } |
2859 | ||
f1bde64c | 2860 | static asection * |
ab273af8 | 2861 | bfd_mach_o_read_section (bfd *abfd, |
ab273af8 TG |
2862 | unsigned int offset, |
2863 | unsigned long prot, | |
2864 | unsigned int wide) | |
1e8a024a TG |
2865 | { |
2866 | if (wide) | |
f1bde64c | 2867 | return bfd_mach_o_read_section_64 (abfd, offset, prot); |
1e8a024a | 2868 | else |
f1bde64c | 2869 | return bfd_mach_o_read_section_32 (abfd, offset, prot); |
1e8a024a TG |
2870 | } |
2871 | ||
afbb9e17 | 2872 | static bfd_boolean |
ab273af8 TG |
2873 | bfd_mach_o_read_symtab_symbol (bfd *abfd, |
2874 | bfd_mach_o_symtab_command *sym, | |
2875 | bfd_mach_o_asymbol *s, | |
2876 | unsigned long i) | |
3af9a47b | 2877 | { |
046b007d | 2878 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
c2f09c75 | 2879 | unsigned int wide = mach_o_wide_p (&mdata->header); |
046b007d TG |
2880 | unsigned int symwidth = |
2881 | wide ? BFD_MACH_O_NLIST_64_SIZE : BFD_MACH_O_NLIST_SIZE; | |
92bc0e80 | 2882 | unsigned int symoff = sym->symoff + (i * symwidth); |
46d1c23b | 2883 | struct mach_o_nlist_64_external raw; |
3af9a47b NC |
2884 | unsigned char type = -1; |
2885 | unsigned char section = -1; | |
2886 | short desc = -1; | |
1e8a024a | 2887 | symvalue value = -1; |
3af9a47b NC |
2888 | unsigned long stroff = -1; |
2889 | unsigned int symtype = -1; | |
2890 | ||
2891 | BFD_ASSERT (sym->strtab != NULL); | |
2892 | ||
c2f09c75 | 2893 | if (bfd_seek (abfd, symoff, SEEK_SET) != 0 |
46d1c23b | 2894 | || bfd_bread (&raw, symwidth, abfd) != symwidth) |
3af9a47b | 2895 | { |
46d1c23b TG |
2896 | (*_bfd_error_handler) |
2897 | (_("bfd_mach_o_read_symtab_symbol: unable to read %d bytes at %lu"), | |
2898 | symwidth, (unsigned long) symoff); | |
afbb9e17 | 2899 | return FALSE; |
3af9a47b NC |
2900 | } |
2901 | ||
46d1c23b TG |
2902 | stroff = bfd_h_get_32 (abfd, raw.n_strx); |
2903 | type = bfd_h_get_8 (abfd, raw.n_type); | |
c2f09c75 | 2904 | symtype = type & BFD_MACH_O_N_TYPE; |
46d1c23b TG |
2905 | section = bfd_h_get_8 (abfd, raw.n_sect); |
2906 | desc = bfd_h_get_16 (abfd, raw.n_desc); | |
1e8a024a | 2907 | if (wide) |
46d1c23b | 2908 | value = bfd_h_get_64 (abfd, raw.n_value); |
1e8a024a | 2909 | else |
46d1c23b | 2910 | value = bfd_h_get_32 (abfd, raw.n_value); |
3af9a47b NC |
2911 | |
2912 | if (stroff >= sym->strsize) | |
2913 | { | |
46d1c23b TG |
2914 | (*_bfd_error_handler) |
2915 | (_("bfd_mach_o_read_symtab_symbol: name out of range (%lu >= %lu)"), | |
2916 | (unsigned long) stroff, | |
2917 | (unsigned long) sym->strsize); | |
afbb9e17 | 2918 | return FALSE; |
3af9a47b NC |
2919 | } |
2920 | ||
92bc0e80 TG |
2921 | s->symbol.the_bfd = abfd; |
2922 | s->symbol.name = sym->strtab + stroff; | |
2923 | s->symbol.value = value; | |
2924 | s->symbol.flags = 0x0; | |
b22161d6 | 2925 | s->symbol.udata.i = i; |
92bc0e80 TG |
2926 | s->n_type = type; |
2927 | s->n_sect = section; | |
2928 | s->n_desc = desc; | |
3af9a47b NC |
2929 | |
2930 | if (type & BFD_MACH_O_N_STAB) | |
2931 | { | |
92bc0e80 TG |
2932 | s->symbol.flags |= BSF_DEBUGGING; |
2933 | s->symbol.section = bfd_und_section_ptr; | |
15e1c58a TG |
2934 | switch (type) |
2935 | { | |
2936 | case N_FUN: | |
2937 | case N_STSYM: | |
2938 | case N_LCSYM: | |
2939 | case N_BNSYM: | |
2940 | case N_SLINE: | |
2941 | case N_ENSYM: | |
2942 | case N_ECOMM: | |
2943 | case N_ECOML: | |
2944 | case N_GSYM: | |
2945 | if ((section > 0) && (section <= mdata->nsects)) | |
2946 | { | |
92bc0e80 TG |
2947 | s->symbol.section = mdata->sections[section - 1]->bfdsection; |
2948 | s->symbol.value = | |
2949 | s->symbol.value - mdata->sections[section - 1]->addr; | |
15e1c58a TG |
2950 | } |
2951 | break; | |
2952 | } | |
3af9a47b NC |
2953 | } |
2954 | else | |
2955 | { | |
b22161d6 | 2956 | if (type & (BFD_MACH_O_N_PEXT | BFD_MACH_O_N_EXT)) |
92bc0e80 | 2957 | s->symbol.flags |= BSF_GLOBAL; |
b22161d6 | 2958 | else |
92bc0e80 | 2959 | s->symbol.flags |= BSF_LOCAL; |
3af9a47b NC |
2960 | |
2961 | switch (symtype) | |
2962 | { | |
2963 | case BFD_MACH_O_N_UNDF: | |
c2f09c75 | 2964 | if (type == (BFD_MACH_O_N_UNDF | BFD_MACH_O_N_EXT) |
92bc0e80 | 2965 | && s->symbol.value != 0) |
c2f09c75 TG |
2966 | { |
2967 | /* A common symbol. */ | |
92bc0e80 TG |
2968 | s->symbol.section = bfd_com_section_ptr; |
2969 | s->symbol.flags = BSF_NO_FLAGS; | |
c2f09c75 TG |
2970 | } |
2971 | else | |
92bc0e80 TG |
2972 | { |
2973 | s->symbol.section = bfd_und_section_ptr; | |
2974 | if (s->n_desc & BFD_MACH_O_N_WEAK_REF) | |
2975 | s->symbol.flags |= BSF_WEAK; | |
2976 | } | |
3af9a47b NC |
2977 | break; |
2978 | case BFD_MACH_O_N_PBUD: | |
92bc0e80 | 2979 | s->symbol.section = bfd_und_section_ptr; |
3af9a47b NC |
2980 | break; |
2981 | case BFD_MACH_O_N_ABS: | |
92bc0e80 | 2982 | s->symbol.section = bfd_abs_section_ptr; |
3af9a47b NC |
2983 | break; |
2984 | case BFD_MACH_O_N_SECT: | |
2985 | if ((section > 0) && (section <= mdata->nsects)) | |
2986 | { | |
92bc0e80 TG |
2987 | s->symbol.section = mdata->sections[section - 1]->bfdsection; |
2988 | s->symbol.value = | |
2989 | s->symbol.value - mdata->sections[section - 1]->addr; | |
3af9a47b NC |
2990 | } |
2991 | else | |
2992 | { | |
2993 | /* Mach-O uses 0 to mean "no section"; not an error. */ | |
2994 | if (section != 0) | |
2995 | { | |
4a97a0e5 AM |
2996 | (*_bfd_error_handler) (_("bfd_mach_o_read_symtab_symbol: " |
2997 | "symbol \"%s\" specified invalid section %d (max %lu): setting to undefined"), | |
2998 | s->symbol.name, section, mdata->nsects); | |
3af9a47b | 2999 | } |
92bc0e80 | 3000 | s->symbol.section = bfd_und_section_ptr; |
3af9a47b NC |
3001 | } |
3002 | break; | |
3003 | case BFD_MACH_O_N_INDR: | |
0596a831 TG |
3004 | /* FIXME: we don't follow the BFD convention as this indirect symbol |
3005 | won't be followed by the referenced one. This looks harmless | |
3006 | unless we start using the linker. */ | |
3007 | s->symbol.flags |= BSF_INDIRECT; | |
3008 | s->symbol.section = bfd_ind_section_ptr; | |
3009 | s->symbol.value = 0; | |
3af9a47b NC |
3010 | break; |
3011 | default: | |
4a97a0e5 AM |
3012 | (*_bfd_error_handler) (_("bfd_mach_o_read_symtab_symbol: " |
3013 | "symbol \"%s\" specified invalid type field 0x%x: setting to undefined"), | |
3014 | s->symbol.name, symtype); | |
92bc0e80 | 3015 | s->symbol.section = bfd_und_section_ptr; |
3af9a47b NC |
3016 | break; |
3017 | } | |
3018 | } | |
3019 | ||
afbb9e17 | 3020 | return TRUE; |
3af9a47b NC |
3021 | } |
3022 | ||
c5012cd8 | 3023 | bfd_boolean |
ab273af8 | 3024 | bfd_mach_o_read_symtab_strtab (bfd *abfd) |
3af9a47b | 3025 | { |
046b007d TG |
3026 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
3027 | bfd_mach_o_symtab_command *sym = mdata->symtab; | |
3028 | ||
3029 | /* Fail if there is no symtab. */ | |
3030 | if (sym == NULL) | |
afbb9e17 | 3031 | return FALSE; |
046b007d TG |
3032 | |
3033 | /* Success if already loaded. */ | |
3034 | if (sym->strtab) | |
afbb9e17 | 3035 | return TRUE; |
3af9a47b NC |
3036 | |
3037 | if (abfd->flags & BFD_IN_MEMORY) | |
3038 | { | |
3039 | struct bfd_in_memory *b; | |
3040 | ||
3041 | b = (struct bfd_in_memory *) abfd->iostream; | |
3042 | ||
3043 | if ((sym->stroff + sym->strsize) > b->size) | |
3044 | { | |
3045 | bfd_set_error (bfd_error_file_truncated); | |
afbb9e17 | 3046 | return FALSE; |
3af9a47b | 3047 | } |
f075ee0c | 3048 | sym->strtab = (char *) b->buffer + sym->stroff; |
3af9a47b | 3049 | } |
046b007d | 3050 | else |
3af9a47b | 3051 | { |
046b007d TG |
3052 | sym->strtab = bfd_alloc (abfd, sym->strsize); |
3053 | if (sym->strtab == NULL) | |
afbb9e17 | 3054 | return FALSE; |
046b007d TG |
3055 | |
3056 | if (bfd_seek (abfd, sym->stroff, SEEK_SET) != 0 | |
afbb9e17 | 3057 | || bfd_bread (sym->strtab, sym->strsize, abfd) != sym->strsize) |
046b007d TG |
3058 | { |
3059 | bfd_set_error (bfd_error_file_truncated); | |
afbb9e17 | 3060 | return FALSE; |
046b007d | 3061 | } |
3af9a47b NC |
3062 | } |
3063 | ||
afbb9e17 | 3064 | return TRUE; |
3af9a47b NC |
3065 | } |
3066 | ||
c5012cd8 | 3067 | bfd_boolean |
ab273af8 | 3068 | bfd_mach_o_read_symtab_symbols (bfd *abfd) |
3af9a47b | 3069 | { |
046b007d TG |
3070 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
3071 | bfd_mach_o_symtab_command *sym = mdata->symtab; | |
3af9a47b | 3072 | unsigned long i; |
3af9a47b | 3073 | |
092d27ff TG |
3074 | if (sym == NULL || sym->symbols) |
3075 | { | |
3076 | /* Return now if there are no symbols or if already loaded. */ | |
afbb9e17 | 3077 | return TRUE; |
092d27ff | 3078 | } |
046b007d | 3079 | |
92bc0e80 | 3080 | sym->symbols = bfd_alloc (abfd, sym->nsyms * sizeof (bfd_mach_o_asymbol)); |
3af9a47b NC |
3081 | |
3082 | if (sym->symbols == NULL) | |
3083 | { | |
4a97a0e5 | 3084 | (*_bfd_error_handler) (_("bfd_mach_o_read_symtab_symbols: unable to allocate memory for symbols")); |
afbb9e17 | 3085 | return FALSE; |
3af9a47b | 3086 | } |
a95a4550 | 3087 | |
afbb9e17 TG |
3088 | if (!bfd_mach_o_read_symtab_strtab (abfd)) |
3089 | return FALSE; | |
3af9a47b NC |
3090 | |
3091 | for (i = 0; i < sym->nsyms; i++) | |
3092 | { | |
afbb9e17 TG |
3093 | if (!bfd_mach_o_read_symtab_symbol (abfd, sym, &sym->symbols[i], i)) |
3094 | return FALSE; | |
3af9a47b | 3095 | } |
a95a4550 | 3096 | |
afbb9e17 | 3097 | return TRUE; |
3af9a47b NC |
3098 | } |
3099 | ||
3100 | static const char * | |
116c20d2 | 3101 | bfd_mach_o_i386_flavour_string (unsigned int flavour) |
3af9a47b NC |
3102 | { |
3103 | switch ((int) flavour) | |
3104 | { | |
15e1c58a TG |
3105 | case BFD_MACH_O_x86_THREAD_STATE32: return "x86_THREAD_STATE32"; |
3106 | case BFD_MACH_O_x86_FLOAT_STATE32: return "x86_FLOAT_STATE32"; | |
3107 | case BFD_MACH_O_x86_EXCEPTION_STATE32: return "x86_EXCEPTION_STATE32"; | |
3108 | case BFD_MACH_O_x86_THREAD_STATE64: return "x86_THREAD_STATE64"; | |
3109 | case BFD_MACH_O_x86_FLOAT_STATE64: return "x86_FLOAT_STATE64"; | |
3110 | case BFD_MACH_O_x86_EXCEPTION_STATE64: return "x86_EXCEPTION_STATE64"; | |
3111 | case BFD_MACH_O_x86_THREAD_STATE: return "x86_THREAD_STATE"; | |
3112 | case BFD_MACH_O_x86_FLOAT_STATE: return "x86_FLOAT_STATE"; | |
3113 | case BFD_MACH_O_x86_EXCEPTION_STATE: return "x86_EXCEPTION_STATE"; | |
3114 | case BFD_MACH_O_x86_DEBUG_STATE32: return "x86_DEBUG_STATE32"; | |
3115 | case BFD_MACH_O_x86_DEBUG_STATE64: return "x86_DEBUG_STATE64"; | |
3116 | case BFD_MACH_O_x86_DEBUG_STATE: return "x86_DEBUG_STATE"; | |
b32e07d7 | 3117 | case BFD_MACH_O_x86_THREAD_STATE_NONE: return "x86_THREAD_STATE_NONE"; |
3af9a47b NC |
3118 | default: return "UNKNOWN"; |
3119 | } | |
3120 | } | |
3121 | ||
3122 | static const char * | |
116c20d2 | 3123 | bfd_mach_o_ppc_flavour_string (unsigned int flavour) |
3af9a47b NC |
3124 | { |
3125 | switch ((int) flavour) | |
3126 | { | |
b32e07d7 TG |
3127 | case BFD_MACH_O_PPC_THREAD_STATE: return "PPC_THREAD_STATE"; |
3128 | case BFD_MACH_O_PPC_FLOAT_STATE: return "PPC_FLOAT_STATE"; | |
3129 | case BFD_MACH_O_PPC_EXCEPTION_STATE: return "PPC_EXCEPTION_STATE"; | |
3130 | case BFD_MACH_O_PPC_VECTOR_STATE: return "PPC_VECTOR_STATE"; | |
3131 | case BFD_MACH_O_PPC_THREAD_STATE64: return "PPC_THREAD_STATE64"; | |
3132 | case BFD_MACH_O_PPC_EXCEPTION_STATE64: return "PPC_EXCEPTION_STATE64"; | |
3af9a47b NC |
3133 | default: return "UNKNOWN"; |
3134 | } | |
3135 | } | |
3136 | ||
3137 | static int | |
ab273af8 | 3138 | bfd_mach_o_read_dylinker (bfd *abfd, bfd_mach_o_load_command *command) |
3af9a47b NC |
3139 | { |
3140 | bfd_mach_o_dylinker_command *cmd = &command->command.dylinker; | |
46d1c23b | 3141 | struct mach_o_str_command_external raw; |
3af9a47b | 3142 | unsigned int nameoff; |
3af9a47b NC |
3143 | |
3144 | BFD_ASSERT ((command->type == BFD_MACH_O_LC_ID_DYLINKER) | |
3145 | || (command->type == BFD_MACH_O_LC_LOAD_DYLINKER)); | |
3146 | ||
46d1c23b TG |
3147 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 |
3148 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
3af9a47b NC |
3149 | return -1; |
3150 | ||
46d1c23b | 3151 | nameoff = bfd_h_get_32 (abfd, raw.str); |
3af9a47b NC |
3152 | |
3153 | cmd->name_offset = command->offset + nameoff; | |
3154 | cmd->name_len = command->len - nameoff; | |
b32e07d7 TG |
3155 | cmd->name_str = bfd_alloc (abfd, cmd->name_len); |
3156 | if (cmd->name_str == NULL) | |
3af9a47b | 3157 | return -1; |
b32e07d7 TG |
3158 | if (bfd_seek (abfd, cmd->name_offset, SEEK_SET) != 0 |
3159 | || bfd_bread (cmd->name_str, cmd->name_len, abfd) != cmd->name_len) | |
3af9a47b | 3160 | return -1; |
3af9a47b NC |
3161 | return 0; |
3162 | } | |
3163 | ||
3164 | static int | |
ab273af8 | 3165 | bfd_mach_o_read_dylib (bfd *abfd, bfd_mach_o_load_command *command) |
3af9a47b NC |
3166 | { |
3167 | bfd_mach_o_dylib_command *cmd = &command->command.dylib; | |
46d1c23b | 3168 | struct mach_o_dylib_command_external raw; |
3af9a47b | 3169 | unsigned int nameoff; |
3af9a47b | 3170 | |
046b007d TG |
3171 | switch (command->type) |
3172 | { | |
3173 | case BFD_MACH_O_LC_LOAD_DYLIB: | |
046b007d | 3174 | case BFD_MACH_O_LC_LOAD_WEAK_DYLIB: |
046b007d | 3175 | case BFD_MACH_O_LC_ID_DYLIB: |
046b007d | 3176 | case BFD_MACH_O_LC_REEXPORT_DYLIB: |
73017762 | 3177 | case BFD_MACH_O_LC_LOAD_UPWARD_DYLIB: |
046b007d TG |
3178 | break; |
3179 | default: | |
b32e07d7 TG |
3180 | BFD_FAIL (); |
3181 | return -1; | |
046b007d | 3182 | } |
3af9a47b | 3183 | |
46d1c23b TG |
3184 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 |
3185 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
3af9a47b NC |
3186 | return -1; |
3187 | ||
46d1c23b TG |
3188 | nameoff = bfd_h_get_32 (abfd, raw.name); |
3189 | cmd->timestamp = bfd_h_get_32 (abfd, raw.timestamp); | |
3190 | cmd->current_version = bfd_h_get_32 (abfd, raw.current_version); | |
3191 | cmd->compatibility_version = bfd_h_get_32 (abfd, raw.compatibility_version); | |
3af9a47b NC |
3192 | |
3193 | cmd->name_offset = command->offset + nameoff; | |
3194 | cmd->name_len = command->len - nameoff; | |
b32e07d7 TG |
3195 | cmd->name_str = bfd_alloc (abfd, cmd->name_len); |
3196 | if (cmd->name_str == NULL) | |
3af9a47b | 3197 | return -1; |
b32e07d7 TG |
3198 | if (bfd_seek (abfd, cmd->name_offset, SEEK_SET) != 0 |
3199 | || bfd_bread (cmd->name_str, cmd->name_len, abfd) != cmd->name_len) | |
3af9a47b | 3200 | return -1; |
3af9a47b NC |
3201 | return 0; |
3202 | } | |
3203 | ||
3204 | static int | |
ab273af8 TG |
3205 | bfd_mach_o_read_prebound_dylib (bfd *abfd ATTRIBUTE_UNUSED, |
3206 | bfd_mach_o_load_command *command ATTRIBUTE_UNUSED) | |
3af9a47b NC |
3207 | { |
3208 | /* bfd_mach_o_prebound_dylib_command *cmd = &command->command.prebound_dylib; */ | |
3209 | ||
3210 | BFD_ASSERT (command->type == BFD_MACH_O_LC_PREBOUND_DYLIB); | |
3211 | return 0; | |
3212 | } | |
3213 | ||
9f4a5bd1 TG |
3214 | static int |
3215 | bfd_mach_o_read_fvmlib (bfd *abfd, bfd_mach_o_load_command *command) | |
3216 | { | |
3217 | bfd_mach_o_fvmlib_command *fvm = &command->command.fvmlib; | |
3218 | struct mach_o_fvmlib_command_external raw; | |
3219 | unsigned int nameoff; | |
3220 | ||
3221 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 | |
3222 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
3223 | return -1; | |
3224 | ||
3225 | nameoff = bfd_h_get_32 (abfd, raw.name); | |
3226 | fvm->minor_version = bfd_h_get_32 (abfd, raw.minor_version); | |
3227 | fvm->header_addr = bfd_h_get_32 (abfd, raw.header_addr); | |
3228 | ||
3229 | fvm->name_offset = command->offset + nameoff; | |
3230 | fvm->name_len = command->len - nameoff; | |
3231 | fvm->name_str = bfd_alloc (abfd, fvm->name_len); | |
3232 | if (fvm->name_str == NULL) | |
3233 | return -1; | |
3234 | if (bfd_seek (abfd, fvm->name_offset, SEEK_SET) != 0 | |
3235 | || bfd_bread (fvm->name_str, fvm->name_len, abfd) != fvm->name_len) | |
3236 | return -1; | |
3237 | return 0; | |
3238 | } | |
3239 | ||
3af9a47b | 3240 | static int |
ab273af8 | 3241 | bfd_mach_o_read_thread (bfd *abfd, bfd_mach_o_load_command *command) |
3af9a47b | 3242 | { |
b32e07d7 | 3243 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
3af9a47b | 3244 | bfd_mach_o_thread_command *cmd = &command->command.thread; |
92bc0e80 | 3245 | unsigned int offset; |
3af9a47b NC |
3246 | unsigned int nflavours; |
3247 | unsigned int i; | |
3248 | ||
3249 | BFD_ASSERT ((command->type == BFD_MACH_O_LC_THREAD) | |
3250 | || (command->type == BFD_MACH_O_LC_UNIXTHREAD)); | |
3251 | ||
b32e07d7 | 3252 | /* Count the number of threads. */ |
3af9a47b NC |
3253 | offset = 8; |
3254 | nflavours = 0; | |
3255 | while (offset != command->len) | |
3256 | { | |
46d1c23b TG |
3257 | struct mach_o_thread_command_external raw; |
3258 | ||
3af9a47b NC |
3259 | if (offset >= command->len) |
3260 | return -1; | |
3261 | ||
c2f09c75 | 3262 | if (bfd_seek (abfd, command->offset + offset, SEEK_SET) != 0 |
46d1c23b | 3263 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) |
3af9a47b NC |
3264 | return -1; |
3265 | ||
46d1c23b | 3266 | offset += sizeof (raw) + bfd_h_get_32 (abfd, raw.count) * 4; |
3af9a47b NC |
3267 | nflavours++; |
3268 | } | |
3269 | ||
b32e07d7 TG |
3270 | /* Allocate threads. */ |
3271 | cmd->flavours = bfd_alloc | |
3272 | (abfd, nflavours * sizeof (bfd_mach_o_thread_flavour)); | |
3af9a47b NC |
3273 | if (cmd->flavours == NULL) |
3274 | return -1; | |
3275 | cmd->nflavours = nflavours; | |
3276 | ||
3277 | offset = 8; | |
3278 | nflavours = 0; | |
3279 | while (offset != command->len) | |
3280 | { | |
46d1c23b TG |
3281 | struct mach_o_thread_command_external raw; |
3282 | ||
3af9a47b NC |
3283 | if (offset >= command->len) |
3284 | return -1; | |
3285 | ||
3286 | if (nflavours >= cmd->nflavours) | |
3287 | return -1; | |
3288 | ||
c2f09c75 | 3289 | if (bfd_seek (abfd, command->offset + offset, SEEK_SET) != 0 |
46d1c23b | 3290 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) |
3af9a47b NC |
3291 | return -1; |
3292 | ||
46d1c23b TG |
3293 | cmd->flavours[nflavours].flavour = bfd_h_get_32 (abfd, raw.flavour); |
3294 | cmd->flavours[nflavours].offset = command->offset + offset + sizeof (raw); | |
3295 | cmd->flavours[nflavours].size = bfd_h_get_32 (abfd, raw.count) * 4; | |
3296 | offset += cmd->flavours[nflavours].size + sizeof (raw); | |
3af9a47b NC |
3297 | nflavours++; |
3298 | } | |
3299 | ||
3300 | for (i = 0; i < nflavours; i++) | |
3301 | { | |
3302 | asection *bfdsec; | |
3303 | unsigned int snamelen; | |
3304 | char *sname; | |
3305 | const char *flavourstr; | |
3306 | const char *prefix = "LC_THREAD"; | |
a95a4550 AM |
3307 | unsigned int j = 0; |
3308 | ||
3af9a47b NC |
3309 | switch (mdata->header.cputype) |
3310 | { | |
3311 | case BFD_MACH_O_CPU_TYPE_POWERPC: | |
1e8a024a | 3312 | case BFD_MACH_O_CPU_TYPE_POWERPC_64: |
3af9a47b NC |
3313 | flavourstr = bfd_mach_o_ppc_flavour_string (cmd->flavours[i].flavour); |
3314 | break; | |
3315 | case BFD_MACH_O_CPU_TYPE_I386: | |
1e8a024a | 3316 | case BFD_MACH_O_CPU_TYPE_X86_64: |
3af9a47b NC |
3317 | flavourstr = bfd_mach_o_i386_flavour_string (cmd->flavours[i].flavour); |
3318 | break; | |
3319 | default: | |
3320 | flavourstr = "UNKNOWN_ARCHITECTURE"; | |
3321 | break; | |
3322 | } | |
a95a4550 | 3323 | |
3af9a47b | 3324 | snamelen = strlen (prefix) + 1 + 20 + 1 + strlen (flavourstr) + 1; |
116c20d2 | 3325 | sname = bfd_alloc (abfd, snamelen); |
3af9a47b NC |
3326 | if (sname == NULL) |
3327 | return -1; | |
3328 | ||
3329 | for (;;) | |
3330 | { | |
a95a4550 AM |
3331 | sprintf (sname, "%s.%s.%u", prefix, flavourstr, j); |
3332 | if (bfd_get_section_by_name (abfd, sname) == NULL) | |
3af9a47b | 3333 | break; |
a95a4550 | 3334 | j++; |
3af9a47b NC |
3335 | } |
3336 | ||
117ed4f8 | 3337 | bfdsec = bfd_make_section_with_flags (abfd, sname, SEC_HAS_CONTENTS); |
a95a4550 | 3338 | |
3af9a47b NC |
3339 | bfdsec->vma = 0; |
3340 | bfdsec->lma = 0; | |
eea6121a | 3341 | bfdsec->size = cmd->flavours[i].size; |
3af9a47b NC |
3342 | bfdsec->filepos = cmd->flavours[i].offset; |
3343 | bfdsec->alignment_power = 0x0; | |
3af9a47b NC |
3344 | |
3345 | cmd->section = bfdsec; | |
3346 | } | |
3347 | ||
3348 | return 0; | |
3349 | } | |
3350 | ||
a95a4550 | 3351 | static int |
ab273af8 | 3352 | bfd_mach_o_read_dysymtab (bfd *abfd, bfd_mach_o_load_command *command) |
3af9a47b | 3353 | { |
046b007d | 3354 | bfd_mach_o_dysymtab_command *cmd = &command->command.dysymtab; |
b32e07d7 | 3355 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
3af9a47b NC |
3356 | |
3357 | BFD_ASSERT (command->type == BFD_MACH_O_LC_DYSYMTAB); | |
3358 | ||
46d1c23b TG |
3359 | { |
3360 | struct mach_o_dysymtab_command_external raw; | |
3361 | ||
3362 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 | |
3363 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
3364 | return -1; | |
3af9a47b | 3365 | |
46d1c23b TG |
3366 | cmd->ilocalsym = bfd_h_get_32 (abfd, raw.ilocalsym); |
3367 | cmd->nlocalsym = bfd_h_get_32 (abfd, raw.nlocalsym); | |
3368 | cmd->iextdefsym = bfd_h_get_32 (abfd, raw.iextdefsym); | |
3369 | cmd->nextdefsym = bfd_h_get_32 (abfd, raw.nextdefsym); | |
3370 | cmd->iundefsym = bfd_h_get_32 (abfd, raw.iundefsym); | |
3371 | cmd->nundefsym = bfd_h_get_32 (abfd, raw.nundefsym); | |
3372 | cmd->tocoff = bfd_h_get_32 (abfd, raw.tocoff); | |
3373 | cmd->ntoc = bfd_h_get_32 (abfd, raw.ntoc); | |
3374 | cmd->modtaboff = bfd_h_get_32 (abfd, raw.modtaboff); | |
3375 | cmd->nmodtab = bfd_h_get_32 (abfd, raw.nmodtab); | |
3376 | cmd->extrefsymoff = bfd_h_get_32 (abfd, raw.extrefsymoff); | |
3377 | cmd->nextrefsyms = bfd_h_get_32 (abfd, raw.nextrefsyms); | |
3378 | cmd->indirectsymoff = bfd_h_get_32 (abfd, raw.indirectsymoff); | |
3379 | cmd->nindirectsyms = bfd_h_get_32 (abfd, raw.nindirectsyms); | |
3380 | cmd->extreloff = bfd_h_get_32 (abfd, raw.extreloff); | |
3381 | cmd->nextrel = bfd_h_get_32 (abfd, raw.nextrel); | |
3382 | cmd->locreloff = bfd_h_get_32 (abfd, raw.locreloff); | |
3383 | cmd->nlocrel = bfd_h_get_32 (abfd, raw.nlocrel); | |
3384 | } | |
046b007d TG |
3385 | |
3386 | if (cmd->nmodtab != 0) | |
3387 | { | |
046b007d TG |
3388 | unsigned int i; |
3389 | int wide = bfd_mach_o_wide_p (abfd); | |
3390 | unsigned int module_len = wide ? 56 : 52; | |
3391 | ||
3392 | cmd->dylib_module = | |
3393 | bfd_alloc (abfd, cmd->nmodtab * sizeof (bfd_mach_o_dylib_module)); | |
3394 | if (cmd->dylib_module == NULL) | |
3395 | return -1; | |
3396 | ||
3397 | if (bfd_seek (abfd, cmd->modtaboff, SEEK_SET) != 0) | |
3398 | return -1; | |
3399 | ||
3400 | for (i = 0; i < cmd->nmodtab; i++) | |
3401 | { | |
3402 | bfd_mach_o_dylib_module *module = &cmd->dylib_module[i]; | |
3403 | unsigned long v; | |
46d1c23b | 3404 | unsigned char buf[56]; |
046b007d | 3405 | |
91d6fa6a | 3406 | if (bfd_bread ((void *) buf, module_len, abfd) != module_len) |
046b007d TG |
3407 | return -1; |
3408 | ||
3409 | module->module_name_idx = bfd_h_get_32 (abfd, buf + 0); | |
3410 | module->iextdefsym = bfd_h_get_32 (abfd, buf + 4); | |
3411 | module->nextdefsym = bfd_h_get_32 (abfd, buf + 8); | |
3412 | module->irefsym = bfd_h_get_32 (abfd, buf + 12); | |
3413 | module->nrefsym = bfd_h_get_32 (abfd, buf + 16); | |
3414 | module->ilocalsym = bfd_h_get_32 (abfd, buf + 20); | |
3415 | module->nlocalsym = bfd_h_get_32 (abfd, buf + 24); | |
3416 | module->iextrel = bfd_h_get_32 (abfd, buf + 28); | |
3417 | module->nextrel = bfd_h_get_32 (abfd, buf + 32); | |
3418 | v = bfd_h_get_32 (abfd, buf +36); | |
3419 | module->iinit = v & 0xffff; | |
3420 | module->iterm = (v >> 16) & 0xffff; | |
3421 | v = bfd_h_get_32 (abfd, buf + 40); | |
3422 | module->ninit = v & 0xffff; | |
3423 | module->nterm = (v >> 16) & 0xffff; | |
3424 | if (wide) | |
3425 | { | |
3426 | module->objc_module_info_size = bfd_h_get_32 (abfd, buf + 44); | |
3427 | module->objc_module_info_addr = bfd_h_get_64 (abfd, buf + 48); | |
3428 | } | |
3429 | else | |
3430 | { | |
3431 | module->objc_module_info_addr = bfd_h_get_32 (abfd, buf + 44); | |
3432 | module->objc_module_info_size = bfd_h_get_32 (abfd, buf + 48); | |
3433 | } | |
3434 | } | |
3435 | } | |
afbb9e17 | 3436 | |
046b007d TG |
3437 | if (cmd->ntoc != 0) |
3438 | { | |
046b007d TG |
3439 | unsigned int i; |
3440 | ||
3441 | cmd->dylib_toc = bfd_alloc | |
3442 | (abfd, cmd->ntoc * sizeof (bfd_mach_o_dylib_table_of_content)); | |
3443 | if (cmd->dylib_toc == NULL) | |
3444 | return -1; | |
3445 | ||
3446 | if (bfd_seek (abfd, cmd->tocoff, SEEK_SET) != 0) | |
3447 | return -1; | |
3448 | ||
3449 | for (i = 0; i < cmd->ntoc; i++) | |
3450 | { | |
46d1c23b | 3451 | struct mach_o_dylib_table_of_contents_external raw; |
046b007d TG |
3452 | bfd_mach_o_dylib_table_of_content *toc = &cmd->dylib_toc[i]; |
3453 | ||
46d1c23b | 3454 | if (bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) |
046b007d TG |
3455 | return -1; |
3456 | ||
46d1c23b TG |
3457 | toc->symbol_index = bfd_h_get_32 (abfd, raw.symbol_index); |
3458 | toc->module_index = bfd_h_get_32 (abfd, raw.module_index); | |
046b007d TG |
3459 | } |
3460 | } | |
3461 | ||
3462 | if (cmd->nindirectsyms != 0) | |
3463 | { | |
046b007d TG |
3464 | unsigned int i; |
3465 | ||
3466 | cmd->indirect_syms = bfd_alloc | |
3467 | (abfd, cmd->nindirectsyms * sizeof (unsigned int)); | |
3468 | if (cmd->indirect_syms == NULL) | |
3469 | return -1; | |
3470 | ||
3471 | if (bfd_seek (abfd, cmd->indirectsymoff, SEEK_SET) != 0) | |
3472 | return -1; | |
3473 | ||
3474 | for (i = 0; i < cmd->nindirectsyms; i++) | |
3475 | { | |
46d1c23b | 3476 | unsigned char raw[4]; |
046b007d TG |
3477 | unsigned int *is = &cmd->indirect_syms[i]; |
3478 | ||
46d1c23b | 3479 | if (bfd_bread (raw, sizeof (raw), abfd) != sizeof (raw)) |
046b007d TG |
3480 | return -1; |
3481 | ||
46d1c23b | 3482 | *is = bfd_h_get_32 (abfd, raw); |
046b007d TG |
3483 | } |
3484 | } | |
3485 | ||
3486 | if (cmd->nextrefsyms != 0) | |
3487 | { | |
046b007d TG |
3488 | unsigned long v; |
3489 | unsigned int i; | |
3490 | ||
3491 | cmd->ext_refs = bfd_alloc | |
3492 | (abfd, cmd->nextrefsyms * sizeof (bfd_mach_o_dylib_reference)); | |
3493 | if (cmd->ext_refs == NULL) | |
3494 | return -1; | |
3495 | ||
3496 | if (bfd_seek (abfd, cmd->extrefsymoff, SEEK_SET) != 0) | |
3497 | return -1; | |
3498 | ||
3499 | for (i = 0; i < cmd->nextrefsyms; i++) | |
3500 | { | |
46d1c23b | 3501 | unsigned char raw[4]; |
046b007d TG |
3502 | bfd_mach_o_dylib_reference *ref = &cmd->ext_refs[i]; |
3503 | ||
46d1c23b | 3504 | if (bfd_bread (raw, sizeof (raw), abfd) != sizeof (raw)) |
046b007d TG |
3505 | return -1; |
3506 | ||
b32e07d7 TG |
3507 | /* Fields isym and flags are written as bit-fields, thus we need |
3508 | a specific processing for endianness. */ | |
46d1c23b | 3509 | v = bfd_h_get_32 (abfd, raw); |
b32e07d7 TG |
3510 | if (bfd_big_endian (abfd)) |
3511 | { | |
3512 | ref->isym = (v >> 8) & 0xffffff; | |
3513 | ref->flags = v & 0xff; | |
3514 | } | |
3515 | else | |
3516 | { | |
3517 | ref->isym = v & 0xffffff; | |
3518 | ref->flags = (v >> 24) & 0xff; | |
3519 | } | |
046b007d TG |
3520 | } |
3521 | } | |
3af9a47b | 3522 | |
b32e07d7 TG |
3523 | if (mdata->dysymtab) |
3524 | return -1; | |
3525 | mdata->dysymtab = cmd; | |
3526 | ||
3af9a47b NC |
3527 | return 0; |
3528 | } | |
3529 | ||
a95a4550 | 3530 | static int |
ab273af8 | 3531 | bfd_mach_o_read_symtab (bfd *abfd, bfd_mach_o_load_command *command) |
3af9a47b | 3532 | { |
046b007d TG |
3533 | bfd_mach_o_symtab_command *symtab = &command->command.symtab; |
3534 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
46d1c23b | 3535 | struct mach_o_symtab_command_external raw; |
3af9a47b NC |
3536 | |
3537 | BFD_ASSERT (command->type == BFD_MACH_O_LC_SYMTAB); | |
3538 | ||
46d1c23b TG |
3539 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 |
3540 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
3af9a47b | 3541 | return -1; |
a95a4550 | 3542 | |
46d1c23b TG |
3543 | symtab->symoff = bfd_h_get_32 (abfd, raw.symoff); |
3544 | symtab->nsyms = bfd_h_get_32 (abfd, raw.nsyms); | |
3545 | symtab->stroff = bfd_h_get_32 (abfd, raw.stroff); | |
3546 | symtab->strsize = bfd_h_get_32 (abfd, raw.strsize); | |
046b007d TG |
3547 | symtab->symbols = NULL; |
3548 | symtab->strtab = NULL; | |
3af9a47b | 3549 | |
046b007d | 3550 | if (symtab->nsyms != 0) |
15e1c58a TG |
3551 | abfd->flags |= HAS_SYMS; |
3552 | ||
046b007d TG |
3553 | if (mdata->symtab) |
3554 | return -1; | |
3555 | mdata->symtab = symtab; | |
3af9a47b NC |
3556 | return 0; |
3557 | } | |
3558 | ||
15e1c58a | 3559 | static int |
ab273af8 | 3560 | bfd_mach_o_read_uuid (bfd *abfd, bfd_mach_o_load_command *command) |
15e1c58a TG |
3561 | { |
3562 | bfd_mach_o_uuid_command *cmd = &command->command.uuid; | |
15e1c58a TG |
3563 | |
3564 | BFD_ASSERT (command->type == BFD_MACH_O_LC_UUID); | |
3565 | ||
46d1c23b TG |
3566 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 |
3567 | || bfd_bread (cmd->uuid, 16, abfd) != 16) | |
15e1c58a TG |
3568 | return -1; |
3569 | ||
15e1c58a TG |
3570 | return 0; |
3571 | } | |
3572 | ||
046b007d | 3573 | static int |
ab273af8 | 3574 | bfd_mach_o_read_linkedit (bfd *abfd, bfd_mach_o_load_command *command) |
046b007d TG |
3575 | { |
3576 | bfd_mach_o_linkedit_command *cmd = &command->command.linkedit; | |
46d1c23b | 3577 | struct mach_o_linkedit_data_command_external raw; |
046b007d | 3578 | |
46d1c23b TG |
3579 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 |
3580 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
046b007d TG |
3581 | return -1; |
3582 | ||
46d1c23b TG |
3583 | cmd->dataoff = bfd_get_32 (abfd, raw.dataoff); |
3584 | cmd->datasize = bfd_get_32 (abfd, raw.datasize); | |
046b007d TG |
3585 | return 0; |
3586 | } | |
3587 | ||
3588 | static int | |
ab273af8 | 3589 | bfd_mach_o_read_str (bfd *abfd, bfd_mach_o_load_command *command) |
046b007d TG |
3590 | { |
3591 | bfd_mach_o_str_command *cmd = &command->command.str; | |
46d1c23b | 3592 | struct mach_o_str_command_external raw; |
046b007d TG |
3593 | unsigned long off; |
3594 | ||
46d1c23b TG |
3595 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 |
3596 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
046b007d TG |
3597 | return -1; |
3598 | ||
46d1c23b | 3599 | off = bfd_get_32 (abfd, raw.str); |
046b007d TG |
3600 | cmd->stroff = command->offset + off; |
3601 | cmd->str_len = command->len - off; | |
3602 | cmd->str = bfd_alloc (abfd, cmd->str_len); | |
3603 | if (cmd->str == NULL) | |
3604 | return -1; | |
3605 | if (bfd_seek (abfd, cmd->stroff, SEEK_SET) != 0 | |
91d6fa6a | 3606 | || bfd_bread ((void *) cmd->str, cmd->str_len, abfd) != cmd->str_len) |
046b007d TG |
3607 | return -1; |
3608 | return 0; | |
3609 | } | |
3610 | ||
ad86f1fb | 3611 | static int |
ab273af8 | 3612 | bfd_mach_o_read_dyld_info (bfd *abfd, bfd_mach_o_load_command *command) |
ad86f1fb TG |
3613 | { |
3614 | bfd_mach_o_dyld_info_command *cmd = &command->command.dyld_info; | |
46d1c23b | 3615 | struct mach_o_dyld_info_command_external raw; |
ad86f1fb | 3616 | |
46d1c23b TG |
3617 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 |
3618 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
ad86f1fb TG |
3619 | return -1; |
3620 | ||
46d1c23b TG |
3621 | cmd->rebase_off = bfd_get_32 (abfd, raw.rebase_off); |
3622 | cmd->rebase_size = bfd_get_32 (abfd, raw.rebase_size); | |
3623 | cmd->bind_off = bfd_get_32 (abfd, raw.bind_off); | |
3624 | cmd->bind_size = bfd_get_32 (abfd, raw.bind_size); | |
3625 | cmd->weak_bind_off = bfd_get_32 (abfd, raw.weak_bind_off); | |
3626 | cmd->weak_bind_size = bfd_get_32 (abfd, raw.weak_bind_size); | |
3627 | cmd->lazy_bind_off = bfd_get_32 (abfd, raw.lazy_bind_off); | |
3628 | cmd->lazy_bind_size = bfd_get_32 (abfd, raw.lazy_bind_size); | |
3629 | cmd->export_off = bfd_get_32 (abfd, raw.export_off); | |
3630 | cmd->export_size = bfd_get_32 (abfd, raw.export_size); | |
ad86f1fb TG |
3631 | return 0; |
3632 | } | |
3633 | ||
edbdea0e TG |
3634 | static bfd_boolean |
3635 | bfd_mach_o_read_version_min (bfd *abfd, bfd_mach_o_load_command *command) | |
3636 | { | |
3637 | bfd_mach_o_version_min_command *cmd = &command->command.version_min; | |
3638 | struct mach_o_version_min_command_external raw; | |
3639 | unsigned int ver; | |
3640 | ||
3641 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 | |
3642 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
3643 | return FALSE; | |
3644 | ||
3645 | ver = bfd_get_32 (abfd, raw.version); | |
3646 | cmd->rel = ver >> 16; | |
3647 | cmd->maj = ver >> 8; | |
3648 | cmd->min = ver; | |
3649 | cmd->reserved = bfd_get_32 (abfd, raw.reserved); | |
3650 | return TRUE; | |
3651 | } | |
3652 | ||
fc55a902 TG |
3653 | static bfd_boolean |
3654 | bfd_mach_o_read_encryption_info (bfd *abfd, bfd_mach_o_load_command *command) | |
3655 | { | |
3656 | bfd_mach_o_encryption_info_command *cmd = &command->command.encryption_info; | |
3657 | struct mach_o_encryption_info_command_external raw; | |
3658 | ||
3659 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 | |
3660 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
3661 | return FALSE; | |
3662 | ||
3663 | cmd->cryptoff = bfd_get_32 (abfd, raw.cryptoff); | |
3664 | cmd->cryptsize = bfd_get_32 (abfd, raw.cryptsize); | |
3665 | cmd->cryptid = bfd_get_32 (abfd, raw.cryptid); | |
3666 | return TRUE; | |
3667 | } | |
3668 | ||
1778ad74 TG |
3669 | static bfd_boolean |
3670 | bfd_mach_o_read_main (bfd *abfd, bfd_mach_o_load_command *command) | |
3671 | { | |
3672 | bfd_mach_o_main_command *cmd = &command->command.main; | |
3673 | struct mach_o_entry_point_command_external raw; | |
3674 | ||
3675 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 | |
3676 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
3677 | return FALSE; | |
3678 | ||
3679 | cmd->entryoff = bfd_get_64 (abfd, raw.entryoff); | |
3680 | cmd->stacksize = bfd_get_64 (abfd, raw.stacksize); | |
3681 | return TRUE; | |
3682 | } | |
3683 | ||
3684 | static bfd_boolean | |
3685 | bfd_mach_o_read_source_version (bfd *abfd, bfd_mach_o_load_command *command) | |
3686 | { | |
3687 | bfd_mach_o_source_version_command *cmd = &command->command.source_version; | |
3688 | struct mach_o_source_version_command_external raw; | |
3689 | bfd_uint64_t ver; | |
3690 | ||
3691 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 | |
3692 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
3693 | return FALSE; | |
3694 | ||
3695 | ver = bfd_get_64 (abfd, raw.version); | |
3696 | /* Note: we use a serie of shift to avoid shift > 32 (for which gcc | |
3697 | generates warnings) in case of the host doesn't support 64 bit | |
3698 | integers. */ | |
3699 | cmd->e = ver & 0x3ff; | |
3700 | ver >>= 10; | |
3701 | cmd->d = ver & 0x3ff; | |
3702 | ver >>= 10; | |
3703 | cmd->c = ver & 0x3ff; | |
3704 | ver >>= 10; | |
3705 | cmd->b = ver & 0x3ff; | |
3706 | ver >>= 10; | |
3707 | cmd->a = ver & 0xffffff; | |
3708 | return TRUE; | |
3709 | } | |
3710 | ||
3af9a47b | 3711 | static int |
ab273af8 TG |
3712 | bfd_mach_o_read_segment (bfd *abfd, |
3713 | bfd_mach_o_load_command *command, | |
3714 | unsigned int wide) | |
3af9a47b | 3715 | { |
3af9a47b NC |
3716 | bfd_mach_o_segment_command *seg = &command->command.segment; |
3717 | unsigned long i; | |
a95a4550 | 3718 | |
1e8a024a TG |
3719 | if (wide) |
3720 | { | |
46d1c23b TG |
3721 | struct mach_o_segment_command_64_external raw; |
3722 | ||
1e8a024a | 3723 | BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT_64); |
3af9a47b | 3724 | |
46d1c23b TG |
3725 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 |
3726 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
3727 | return -1; | |
3af9a47b | 3728 | |
46d1c23b | 3729 | memcpy (seg->segname, raw.segname, 16); |
15e1c58a | 3730 | seg->segname[16] = '\0'; |
1e8a024a | 3731 | |
46d1c23b TG |
3732 | seg->vmaddr = bfd_h_get_64 (abfd, raw.vmaddr); |
3733 | seg->vmsize = bfd_h_get_64 (abfd, raw.vmsize); | |
3734 | seg->fileoff = bfd_h_get_64 (abfd, raw.fileoff); | |
3735 | seg->filesize = bfd_h_get_64 (abfd, raw.filesize); | |
3736 | seg->maxprot = bfd_h_get_32 (abfd, raw.maxprot); | |
3737 | seg->initprot = bfd_h_get_32 (abfd, raw.initprot); | |
3738 | seg->nsects = bfd_h_get_32 (abfd, raw.nsects); | |
3739 | seg->flags = bfd_h_get_32 (abfd, raw.flags); | |
1e8a024a TG |
3740 | } |
3741 | else | |
3742 | { | |
46d1c23b TG |
3743 | struct mach_o_segment_command_32_external raw; |
3744 | ||
1e8a024a TG |
3745 | BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT); |
3746 | ||
46d1c23b TG |
3747 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 |
3748 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
3749 | return -1; | |
1e8a024a | 3750 | |
46d1c23b | 3751 | memcpy (seg->segname, raw.segname, 16); |
15e1c58a | 3752 | seg->segname[16] = '\0'; |
1e8a024a | 3753 | |
46d1c23b TG |
3754 | seg->vmaddr = bfd_h_get_32 (abfd, raw.vmaddr); |
3755 | seg->vmsize = bfd_h_get_32 (abfd, raw.vmsize); | |
3756 | seg->fileoff = bfd_h_get_32 (abfd, raw.fileoff); | |
3757 | seg->filesize = bfd_h_get_32 (abfd, raw.filesize); | |
3758 | seg->maxprot = bfd_h_get_32 (abfd, raw.maxprot); | |
3759 | seg->initprot = bfd_h_get_32 (abfd, raw.initprot); | |
3760 | seg->nsects = bfd_h_get_32 (abfd, raw.nsects); | |
3761 | seg->flags = bfd_h_get_32 (abfd, raw.flags); | |
1e8a024a | 3762 | } |
9d4b6009 TG |
3763 | seg->sect_head = NULL; |
3764 | seg->sect_tail = NULL; | |
3af9a47b | 3765 | |
f1bde64c | 3766 | for (i = 0; i < seg->nsects; i++) |
3af9a47b | 3767 | { |
f1bde64c TG |
3768 | bfd_vma segoff; |
3769 | asection *sec; | |
a95a4550 | 3770 | |
f1bde64c TG |
3771 | if (wide) |
3772 | segoff = command->offset + BFD_MACH_O_LC_SEGMENT_64_SIZE | |
3773 | + (i * BFD_MACH_O_SECTION_64_SIZE); | |
3774 | else | |
3775 | segoff = command->offset + BFD_MACH_O_LC_SEGMENT_SIZE | |
3776 | + (i * BFD_MACH_O_SECTION_SIZE); | |
3af9a47b | 3777 | |
f1bde64c TG |
3778 | sec = bfd_mach_o_read_section (abfd, segoff, seg->initprot, wide); |
3779 | if (sec == NULL) | |
3780 | return -1; | |
3781 | ||
3782 | bfd_mach_o_append_section_to_segment (seg, sec); | |
3af9a47b NC |
3783 | } |
3784 | ||
3785 | return 0; | |
3786 | } | |
3787 | ||
1e8a024a | 3788 | static int |
ab273af8 | 3789 | bfd_mach_o_read_segment_32 (bfd *abfd, bfd_mach_o_load_command *command) |
1e8a024a | 3790 | { |
ab273af8 | 3791 | return bfd_mach_o_read_segment (abfd, command, 0); |
1e8a024a TG |
3792 | } |
3793 | ||
3794 | static int | |
ab273af8 | 3795 | bfd_mach_o_read_segment_64 (bfd *abfd, bfd_mach_o_load_command *command) |
1e8a024a | 3796 | { |
ab273af8 | 3797 | return bfd_mach_o_read_segment (abfd, command, 1); |
1e8a024a TG |
3798 | } |
3799 | ||
3af9a47b | 3800 | static int |
ab273af8 | 3801 | bfd_mach_o_read_command (bfd *abfd, bfd_mach_o_load_command *command) |
3af9a47b | 3802 | { |
46d1c23b TG |
3803 | struct mach_o_load_command_external raw; |
3804 | unsigned int cmd; | |
3af9a47b | 3805 | |
046b007d | 3806 | /* Read command type and length. */ |
c2f09c75 | 3807 | if (bfd_seek (abfd, command->offset, SEEK_SET) != 0 |
46d1c23b | 3808 | || bfd_bread (&raw, BFD_MACH_O_LC_SIZE, abfd) != BFD_MACH_O_LC_SIZE) |
3af9a47b NC |
3809 | return -1; |
3810 | ||
46d1c23b TG |
3811 | cmd = bfd_h_get_32 (abfd, raw.cmd); |
3812 | command->type = cmd & ~BFD_MACH_O_LC_REQ_DYLD; | |
3813 | command->type_required = cmd & BFD_MACH_O_LC_REQ_DYLD ? TRUE : FALSE; | |
3814 | command->len = bfd_h_get_32 (abfd, raw.cmdsize); | |
3af9a47b NC |
3815 | |
3816 | switch (command->type) | |
3817 | { | |
3818 | case BFD_MACH_O_LC_SEGMENT: | |
ab273af8 | 3819 | if (bfd_mach_o_read_segment_32 (abfd, command) != 0) |
1e8a024a TG |
3820 | return -1; |
3821 | break; | |
3822 | case BFD_MACH_O_LC_SEGMENT_64: | |
ab273af8 | 3823 | if (bfd_mach_o_read_segment_64 (abfd, command) != 0) |
3af9a47b NC |
3824 | return -1; |
3825 | break; | |
3826 | case BFD_MACH_O_LC_SYMTAB: | |
ab273af8 | 3827 | if (bfd_mach_o_read_symtab (abfd, command) != 0) |
3af9a47b NC |
3828 | return -1; |
3829 | break; | |
3830 | case BFD_MACH_O_LC_SYMSEG: | |
3831 | break; | |
3832 | case BFD_MACH_O_LC_THREAD: | |
3833 | case BFD_MACH_O_LC_UNIXTHREAD: | |
ab273af8 | 3834 | if (bfd_mach_o_read_thread (abfd, command) != 0) |
3af9a47b NC |
3835 | return -1; |
3836 | break; | |
3837 | case BFD_MACH_O_LC_LOAD_DYLINKER: | |
3838 | case BFD_MACH_O_LC_ID_DYLINKER: | |
ab273af8 | 3839 | if (bfd_mach_o_read_dylinker (abfd, command) != 0) |
3af9a47b NC |
3840 | return -1; |
3841 | break; | |
3842 | case BFD_MACH_O_LC_LOAD_DYLIB: | |
3843 | case BFD_MACH_O_LC_ID_DYLIB: | |
3844 | case BFD_MACH_O_LC_LOAD_WEAK_DYLIB: | |
046b007d | 3845 | case BFD_MACH_O_LC_REEXPORT_DYLIB: |
73017762 | 3846 | case BFD_MACH_O_LC_LOAD_UPWARD_DYLIB: |
ab273af8 | 3847 | if (bfd_mach_o_read_dylib (abfd, command) != 0) |
3af9a47b NC |
3848 | return -1; |
3849 | break; | |
3850 | case BFD_MACH_O_LC_PREBOUND_DYLIB: | |
ab273af8 | 3851 | if (bfd_mach_o_read_prebound_dylib (abfd, command) != 0) |
3af9a47b NC |
3852 | return -1; |
3853 | break; | |
3854 | case BFD_MACH_O_LC_LOADFVMLIB: | |
3855 | case BFD_MACH_O_LC_IDFVMLIB: | |
9f4a5bd1 TG |
3856 | if (bfd_mach_o_read_fvmlib (abfd, command) != 0) |
3857 | return -1; | |
3858 | break; | |
3af9a47b NC |
3859 | case BFD_MACH_O_LC_IDENT: |
3860 | case BFD_MACH_O_LC_FVMFILE: | |
3861 | case BFD_MACH_O_LC_PREPAGE: | |
3862 | case BFD_MACH_O_LC_ROUTINES: | |
9b02d212 | 3863 | case BFD_MACH_O_LC_ROUTINES_64: |
046b007d | 3864 | break; |
3af9a47b | 3865 | case BFD_MACH_O_LC_SUB_FRAMEWORK: |
046b007d TG |
3866 | case BFD_MACH_O_LC_SUB_UMBRELLA: |
3867 | case BFD_MACH_O_LC_SUB_LIBRARY: | |
3868 | case BFD_MACH_O_LC_SUB_CLIENT: | |
0c9b2b4c | 3869 | case BFD_MACH_O_LC_RPATH: |
ab273af8 | 3870 | if (bfd_mach_o_read_str (abfd, command) != 0) |
046b007d | 3871 | return -1; |
3af9a47b NC |
3872 | break; |
3873 | case BFD_MACH_O_LC_DYSYMTAB: | |
ab273af8 | 3874 | if (bfd_mach_o_read_dysymtab (abfd, command) != 0) |
3af9a47b NC |
3875 | return -1; |
3876 | break; | |
3af9a47b NC |
3877 | case BFD_MACH_O_LC_TWOLEVEL_HINTS: |
3878 | case BFD_MACH_O_LC_PREBIND_CKSUM: | |
3879 | break; | |
15e1c58a | 3880 | case BFD_MACH_O_LC_UUID: |
ab273af8 | 3881 | if (bfd_mach_o_read_uuid (abfd, command) != 0) |
15e1c58a TG |
3882 | return -1; |
3883 | break; | |
3884 | case BFD_MACH_O_LC_CODE_SIGNATURE: | |
846b9259 | 3885 | case BFD_MACH_O_LC_SEGMENT_SPLIT_INFO: |
edbdea0e | 3886 | case BFD_MACH_O_LC_FUNCTION_STARTS: |
1778ad74 TG |
3887 | case BFD_MACH_O_LC_DATA_IN_CODE: |
3888 | case BFD_MACH_O_LC_DYLIB_CODE_SIGN_DRS: | |
ab273af8 | 3889 | if (bfd_mach_o_read_linkedit (abfd, command) != 0) |
046b007d | 3890 | return -1; |
15e1c58a | 3891 | break; |
fc55a902 TG |
3892 | case BFD_MACH_O_LC_ENCRYPTION_INFO: |
3893 | if (!bfd_mach_o_read_encryption_info (abfd, command)) | |
3894 | return -1; | |
3895 | break; | |
ad86f1fb | 3896 | case BFD_MACH_O_LC_DYLD_INFO: |
ab273af8 | 3897 | if (bfd_mach_o_read_dyld_info (abfd, command) != 0) |
ad86f1fb TG |
3898 | return -1; |
3899 | break; | |
edbdea0e TG |
3900 | case BFD_MACH_O_LC_VERSION_MIN_MACOSX: |
3901 | case BFD_MACH_O_LC_VERSION_MIN_IPHONEOS: | |
3902 | if (!bfd_mach_o_read_version_min (abfd, command)) | |
3903 | return -1; | |
3904 | break; | |
1778ad74 TG |
3905 | case BFD_MACH_O_LC_MAIN: |
3906 | if (!bfd_mach_o_read_main (abfd, command)) | |
3907 | return -1; | |
3908 | break; | |
3909 | case BFD_MACH_O_LC_SOURCE_VERSION: | |
3910 | if (!bfd_mach_o_read_source_version (abfd, command)) | |
3911 | return -1; | |
3912 | break; | |
3af9a47b | 3913 | default: |
fc55a902 | 3914 | (*_bfd_error_handler)(_("%B: unknown load command 0x%lx"), |
c0d9d051 | 3915 | abfd, (unsigned long) command->type); |
3af9a47b NC |
3916 | break; |
3917 | } | |
3918 | ||
3919 | return 0; | |
3920 | } | |
3921 | ||
3922 | static void | |
116c20d2 | 3923 | bfd_mach_o_flatten_sections (bfd *abfd) |
3af9a47b | 3924 | { |
046b007d | 3925 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
3af9a47b | 3926 | long csect = 0; |
f1bde64c | 3927 | unsigned long i; |
a95a4550 | 3928 | |
15e1c58a | 3929 | /* Count total number of sections. */ |
3af9a47b NC |
3930 | mdata->nsects = 0; |
3931 | ||
3932 | for (i = 0; i < mdata->header.ncmds; i++) | |
3933 | { | |
1e8a024a TG |
3934 | if (mdata->commands[i].type == BFD_MACH_O_LC_SEGMENT |
3935 | || mdata->commands[i].type == BFD_MACH_O_LC_SEGMENT_64) | |
3af9a47b | 3936 | { |
e84d6fca AM |
3937 | bfd_mach_o_segment_command *seg; |
3938 | ||
3939 | seg = &mdata->commands[i].command.segment; | |
3af9a47b NC |
3940 | mdata->nsects += seg->nsects; |
3941 | } | |
3942 | } | |
3943 | ||
15e1c58a | 3944 | /* Allocate sections array. */ |
e84d6fca AM |
3945 | mdata->sections = bfd_alloc (abfd, |
3946 | mdata->nsects * sizeof (bfd_mach_o_section *)); | |
15e1c58a TG |
3947 | |
3948 | /* Fill the array. */ | |
3af9a47b NC |
3949 | csect = 0; |
3950 | ||
3951 | for (i = 0; i < mdata->header.ncmds; i++) | |
3952 | { | |
1e8a024a TG |
3953 | if (mdata->commands[i].type == BFD_MACH_O_LC_SEGMENT |
3954 | || mdata->commands[i].type == BFD_MACH_O_LC_SEGMENT_64) | |
3af9a47b | 3955 | { |
e84d6fca | 3956 | bfd_mach_o_segment_command *seg; |
f1bde64c | 3957 | bfd_mach_o_section *sec; |
3af9a47b | 3958 | |
e84d6fca | 3959 | seg = &mdata->commands[i].command.segment; |
3af9a47b NC |
3960 | BFD_ASSERT (csect + seg->nsects <= mdata->nsects); |
3961 | ||
f1bde64c TG |
3962 | for (sec = seg->sect_head; sec != NULL; sec = sec->next) |
3963 | mdata->sections[csect++] = sec; | |
3af9a47b NC |
3964 | } |
3965 | } | |
3966 | } | |
3967 | ||
afbb9e17 | 3968 | static bfd_boolean |
116c20d2 | 3969 | bfd_mach_o_scan_start_address (bfd *abfd) |
3af9a47b | 3970 | { |
046b007d | 3971 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
3af9a47b NC |
3972 | bfd_mach_o_thread_command *cmd = NULL; |
3973 | unsigned long i; | |
3974 | ||
3975 | for (i = 0; i < mdata->header.ncmds; i++) | |
afbb9e17 TG |
3976 | if ((mdata->commands[i].type == BFD_MACH_O_LC_THREAD) || |
3977 | (mdata->commands[i].type == BFD_MACH_O_LC_UNIXTHREAD)) | |
3978 | { | |
3979 | cmd = &mdata->commands[i].command.thread; | |
3980 | break; | |
3981 | } | |
c0fd7846 TG |
3982 | else if (mdata->commands[i].type == BFD_MACH_O_LC_MAIN |
3983 | && mdata->nsects > 1) | |
3984 | { | |
3985 | bfd_mach_o_main_command *main_cmd = &mdata->commands[i].command.main; | |
3986 | bfd_mach_o_section *text_sect = mdata->sections[0]; | |
3987 | if (text_sect) | |
3988 | { | |
3989 | abfd->start_address = main_cmd->entryoff | |
3990 | + (text_sect->addr - text_sect->offset); | |
3991 | return TRUE; | |
3992 | } | |
3993 | } | |
3af9a47b | 3994 | |
5ee43bc4 | 3995 | /* An object file has no start address, so do not fail if not found. */ |
3af9a47b | 3996 | if (cmd == NULL) |
5ee43bc4 | 3997 | return TRUE; |
3af9a47b | 3998 | |
afbb9e17 | 3999 | /* FIXME: create a subtarget hook ? */ |
3af9a47b NC |
4000 | for (i = 0; i < cmd->nflavours; i++) |
4001 | { | |
a95a4550 | 4002 | if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_I386) |
e84d6fca | 4003 | && (cmd->flavours[i].flavour |
15e1c58a | 4004 | == (unsigned long) BFD_MACH_O_x86_THREAD_STATE32)) |
3af9a47b NC |
4005 | { |
4006 | unsigned char buf[4]; | |
4007 | ||
c2f09c75 TG |
4008 | if (bfd_seek (abfd, cmd->flavours[i].offset + 40, SEEK_SET) != 0 |
4009 | || bfd_bread (buf, 4, abfd) != 4) | |
afbb9e17 | 4010 | return FALSE; |
3af9a47b NC |
4011 | |
4012 | abfd->start_address = bfd_h_get_32 (abfd, buf); | |
4013 | } | |
a95a4550 | 4014 | else if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_POWERPC) |
3af9a47b NC |
4015 | && (cmd->flavours[i].flavour == BFD_MACH_O_PPC_THREAD_STATE)) |
4016 | { | |
4017 | unsigned char buf[4]; | |
4018 | ||
c2f09c75 TG |
4019 | if (bfd_seek (abfd, cmd->flavours[i].offset + 0, SEEK_SET) != 0 |
4020 | || bfd_bread (buf, 4, abfd) != 4) | |
afbb9e17 | 4021 | return FALSE; |
3af9a47b NC |
4022 | |
4023 | abfd->start_address = bfd_h_get_32 (abfd, buf); | |
4024 | } | |
1e8a024a | 4025 | else if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_POWERPC_64) |
b32e07d7 | 4026 | && (cmd->flavours[i].flavour == BFD_MACH_O_PPC_THREAD_STATE64)) |
1e8a024a TG |
4027 | { |
4028 | unsigned char buf[8]; | |
4029 | ||
c2f09c75 TG |
4030 | if (bfd_seek (abfd, cmd->flavours[i].offset + 0, SEEK_SET) != 0 |
4031 | || bfd_bread (buf, 8, abfd) != 8) | |
afbb9e17 | 4032 | return FALSE; |
1e8a024a TG |
4033 | |
4034 | abfd->start_address = bfd_h_get_64 (abfd, buf); | |
4035 | } | |
4036 | else if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_X86_64) | |
4037 | && (cmd->flavours[i].flavour == BFD_MACH_O_x86_THREAD_STATE64)) | |
4038 | { | |
4039 | unsigned char buf[8]; | |
4040 | ||
c2f09c75 TG |
4041 | if (bfd_seek (abfd, cmd->flavours[i].offset + (16 * 8), SEEK_SET) != 0 |
4042 | || bfd_bread (buf, 8, abfd) != 8) | |
afbb9e17 | 4043 | return FALSE; |
1e8a024a TG |
4044 | |
4045 | abfd->start_address = bfd_h_get_64 (abfd, buf); | |
4046 | } | |
3af9a47b NC |
4047 | } |
4048 | ||
afbb9e17 | 4049 | return TRUE; |
3af9a47b NC |
4050 | } |
4051 | ||
42fa0891 TG |
4052 | bfd_boolean |
4053 | bfd_mach_o_set_arch_mach (bfd *abfd, | |
4054 | enum bfd_architecture arch, | |
4055 | unsigned long machine) | |
4056 | { | |
4057 | bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd); | |
4058 | ||
4059 | /* If this isn't the right architecture for this backend, and this | |
4060 | isn't the generic backend, fail. */ | |
4061 | if (arch != bed->arch | |
4062 | && arch != bfd_arch_unknown | |
4063 | && bed->arch != bfd_arch_unknown) | |
4064 | return FALSE; | |
4065 | ||
4066 | return bfd_default_set_arch_mach (abfd, arch, machine); | |
4067 | } | |
4068 | ||
afbb9e17 | 4069 | static bfd_boolean |
116c20d2 NC |
4070 | bfd_mach_o_scan (bfd *abfd, |
4071 | bfd_mach_o_header *header, | |
4072 | bfd_mach_o_data_struct *mdata) | |
3af9a47b NC |
4073 | { |
4074 | unsigned int i; | |
3af9a47b NC |
4075 | enum bfd_architecture cputype; |
4076 | unsigned long cpusubtype; | |
1e8a024a TG |
4077 | unsigned int hdrsize; |
4078 | ||
c2f09c75 | 4079 | hdrsize = mach_o_wide_p (header) ? |
154a1ee5 | 4080 | BFD_MACH_O_HEADER_64_SIZE : BFD_MACH_O_HEADER_SIZE; |
3af9a47b | 4081 | |
3af9a47b | 4082 | mdata->header = *header; |
3af9a47b | 4083 | |
154a1ee5 | 4084 | abfd->flags = abfd->flags & BFD_IN_MEMORY; |
15e1c58a TG |
4085 | switch (header->filetype) |
4086 | { | |
4087 | case BFD_MACH_O_MH_OBJECT: | |
4088 | abfd->flags |= HAS_RELOC; | |
4089 | break; | |
4090 | case BFD_MACH_O_MH_EXECUTE: | |
4091 | abfd->flags |= EXEC_P; | |
4092 | break; | |
4093 | case BFD_MACH_O_MH_DYLIB: | |
4094 | case BFD_MACH_O_MH_BUNDLE: | |
4095 | abfd->flags |= DYNAMIC; | |
4096 | break; | |
4097 | } | |
4098 | ||
3af9a47b NC |
4099 | abfd->tdata.mach_o_data = mdata; |
4100 | ||
e84d6fca AM |
4101 | bfd_mach_o_convert_architecture (header->cputype, header->cpusubtype, |
4102 | &cputype, &cpusubtype); | |
3af9a47b NC |
4103 | if (cputype == bfd_arch_unknown) |
4104 | { | |
afbb9e17 TG |
4105 | (*_bfd_error_handler) |
4106 | (_("bfd_mach_o_scan: unknown architecture 0x%lx/0x%lx"), | |
4107 | header->cputype, header->cpusubtype); | |
4108 | return FALSE; | |
3af9a47b NC |
4109 | } |
4110 | ||
4111 | bfd_set_arch_mach (abfd, cputype, cpusubtype); | |
a95a4550 | 4112 | |
3af9a47b NC |
4113 | if (header->ncmds != 0) |
4114 | { | |
046b007d TG |
4115 | mdata->commands = bfd_alloc |
4116 | (abfd, header->ncmds * sizeof (bfd_mach_o_load_command)); | |
3af9a47b | 4117 | if (mdata->commands == NULL) |
afbb9e17 | 4118 | return FALSE; |
a95a4550 | 4119 | |
3af9a47b NC |
4120 | for (i = 0; i < header->ncmds; i++) |
4121 | { | |
4122 | bfd_mach_o_load_command *cur = &mdata->commands[i]; | |
4123 | ||
4124 | if (i == 0) | |
1e8a024a | 4125 | cur->offset = hdrsize; |
3af9a47b NC |
4126 | else |
4127 | { | |
4128 | bfd_mach_o_load_command *prev = &mdata->commands[i - 1]; | |
4129 | cur->offset = prev->offset + prev->len; | |
4130 | } | |
4131 | ||
ab273af8 | 4132 | if (bfd_mach_o_read_command (abfd, cur) < 0) |
afbb9e17 | 4133 | return FALSE; |
a95a4550 | 4134 | } |
3af9a47b NC |
4135 | } |
4136 | ||
c0fd7846 TG |
4137 | /* Sections should be flatten before scanning start address. */ |
4138 | bfd_mach_o_flatten_sections (abfd); | |
4139 | if (!bfd_mach_o_scan_start_address (abfd)) | |
afbb9e17 | 4140 | return FALSE; |
3af9a47b | 4141 | |
afbb9e17 | 4142 | return TRUE; |
3af9a47b NC |
4143 | } |
4144 | ||
b34976b6 | 4145 | bfd_boolean |
154a1ee5 | 4146 | bfd_mach_o_mkobject_init (bfd *abfd) |
3af9a47b NC |
4147 | { |
4148 | bfd_mach_o_data_struct *mdata = NULL; | |
4149 | ||
116c20d2 | 4150 | mdata = bfd_alloc (abfd, sizeof (bfd_mach_o_data_struct)); |
3af9a47b | 4151 | if (mdata == NULL) |
b34976b6 | 4152 | return FALSE; |
3af9a47b NC |
4153 | abfd->tdata.mach_o_data = mdata; |
4154 | ||
4155 | mdata->header.magic = 0; | |
4156 | mdata->header.cputype = 0; | |
4157 | mdata->header.cpusubtype = 0; | |
4158 | mdata->header.filetype = 0; | |
4159 | mdata->header.ncmds = 0; | |
4160 | mdata->header.sizeofcmds = 0; | |
4161 | mdata->header.flags = 0; | |
4162 | mdata->header.byteorder = BFD_ENDIAN_UNKNOWN; | |
4163 | mdata->commands = NULL; | |
3af9a47b NC |
4164 | mdata->nsects = 0; |
4165 | mdata->sections = NULL; | |
4434114c | 4166 | mdata->dyn_reloc_cache = NULL; |
3af9a47b | 4167 | |
b34976b6 | 4168 | return TRUE; |
3af9a47b NC |
4169 | } |
4170 | ||
42fa0891 TG |
4171 | static bfd_boolean |
4172 | bfd_mach_o_gen_mkobject (bfd *abfd) | |
4173 | { | |
4174 | bfd_mach_o_data_struct *mdata; | |
4175 | ||
4176 | if (!bfd_mach_o_mkobject_init (abfd)) | |
4177 | return FALSE; | |
4178 | ||
4179 | mdata = bfd_mach_o_get_data (abfd); | |
4180 | mdata->header.magic = BFD_MACH_O_MH_MAGIC; | |
4181 | mdata->header.cputype = 0; | |
4182 | mdata->header.cpusubtype = 0; | |
4183 | mdata->header.byteorder = abfd->xvec->byteorder; | |
4184 | mdata->header.version = 1; | |
4185 | ||
4186 | return TRUE; | |
4187 | } | |
4188 | ||
3af9a47b | 4189 | const bfd_target * |
154a1ee5 TG |
4190 | bfd_mach_o_header_p (bfd *abfd, |
4191 | bfd_mach_o_filetype filetype, | |
4192 | bfd_mach_o_cpu_type cputype) | |
3af9a47b NC |
4193 | { |
4194 | bfd_mach_o_header header; | |
c9ba0c87 | 4195 | bfd_mach_o_data_struct *mdata; |
3af9a47b | 4196 | |
154a1ee5 | 4197 | if (!bfd_mach_o_read_header (abfd, &header)) |
e84d6fca | 4198 | goto wrong; |
3af9a47b | 4199 | |
e84d6fca AM |
4200 | if (! (header.byteorder == BFD_ENDIAN_BIG |
4201 | || header.byteorder == BFD_ENDIAN_LITTLE)) | |
3af9a47b | 4202 | { |
4a97a0e5 AM |
4203 | (*_bfd_error_handler) (_("unknown header byte-order value 0x%lx"), |
4204 | (unsigned long) header.byteorder); | |
e84d6fca | 4205 | goto wrong; |
3af9a47b NC |
4206 | } |
4207 | ||
e84d6fca AM |
4208 | if (! ((header.byteorder == BFD_ENDIAN_BIG |
4209 | && abfd->xvec->byteorder == BFD_ENDIAN_BIG | |
4210 | && abfd->xvec->header_byteorder == BFD_ENDIAN_BIG) | |
4211 | || (header.byteorder == BFD_ENDIAN_LITTLE | |
4212 | && abfd->xvec->byteorder == BFD_ENDIAN_LITTLE | |
4213 | && abfd->xvec->header_byteorder == BFD_ENDIAN_LITTLE))) | |
4214 | goto wrong; | |
3af9a47b | 4215 | |
154a1ee5 TG |
4216 | /* Check cputype and filetype. |
4217 | In case of wildcard, do not accept magics that are handled by existing | |
4218 | targets. */ | |
4219 | if (cputype) | |
4220 | { | |
4221 | if (header.cputype != cputype) | |
4222 | goto wrong; | |
4223 | } | |
b22161d6 | 4224 | |
154a1ee5 TG |
4225 | if (filetype) |
4226 | { | |
4227 | if (header.filetype != filetype) | |
4228 | goto wrong; | |
4229 | } | |
4230 | else | |
4231 | { | |
4232 | switch (header.filetype) | |
4233 | { | |
4234 | case BFD_MACH_O_MH_CORE: | |
4235 | /* Handled by core_p */ | |
4236 | goto wrong; | |
4237 | default: | |
4238 | break; | |
4239 | } | |
4240 | } | |
4241 | ||
c9ba0c87 AM |
4242 | mdata = (bfd_mach_o_data_struct *) bfd_zalloc (abfd, sizeof (*mdata)); |
4243 | if (mdata == NULL) | |
e84d6fca | 4244 | goto fail; |
3af9a47b | 4245 | |
c9ba0c87 | 4246 | if (!bfd_mach_o_scan (abfd, &header, mdata)) |
e84d6fca | 4247 | goto wrong; |
a95a4550 | 4248 | |
3af9a47b | 4249 | return abfd->xvec; |
e84d6fca AM |
4250 | |
4251 | wrong: | |
4252 | bfd_set_error (bfd_error_wrong_format); | |
4253 | ||
4254 | fail: | |
e84d6fca | 4255 | return NULL; |
3af9a47b NC |
4256 | } |
4257 | ||
154a1ee5 TG |
4258 | static const bfd_target * |
4259 | bfd_mach_o_gen_object_p (bfd *abfd) | |
3af9a47b | 4260 | { |
154a1ee5 TG |
4261 | return bfd_mach_o_header_p (abfd, 0, 0); |
4262 | } | |
e84d6fca | 4263 | |
154a1ee5 TG |
4264 | static const bfd_target * |
4265 | bfd_mach_o_gen_core_p (bfd *abfd) | |
4266 | { | |
4267 | return bfd_mach_o_header_p (abfd, BFD_MACH_O_MH_CORE, 0); | |
3af9a47b NC |
4268 | } |
4269 | ||
4270 | typedef struct mach_o_fat_archentry | |
4271 | { | |
4272 | unsigned long cputype; | |
4273 | unsigned long cpusubtype; | |
4274 | unsigned long offset; | |
4275 | unsigned long size; | |
4276 | unsigned long align; | |
3af9a47b NC |
4277 | } mach_o_fat_archentry; |
4278 | ||
4279 | typedef struct mach_o_fat_data_struct | |
4280 | { | |
4281 | unsigned long magic; | |
4282 | unsigned long nfat_arch; | |
4283 | mach_o_fat_archentry *archentries; | |
4284 | } mach_o_fat_data_struct; | |
4285 | ||
4286 | const bfd_target * | |
116c20d2 | 4287 | bfd_mach_o_archive_p (bfd *abfd) |
3af9a47b | 4288 | { |
e84d6fca | 4289 | mach_o_fat_data_struct *adata = NULL; |
46d1c23b | 4290 | struct mach_o_fat_header_external hdr; |
3af9a47b NC |
4291 | unsigned long i; |
4292 | ||
c2f09c75 | 4293 | if (bfd_seek (abfd, 0, SEEK_SET) != 0 |
46d1c23b | 4294 | || bfd_bread (&hdr, sizeof (hdr), abfd) != sizeof (hdr)) |
e84d6fca | 4295 | goto error; |
3af9a47b | 4296 | |
116c20d2 | 4297 | adata = bfd_alloc (abfd, sizeof (mach_o_fat_data_struct)); |
3af9a47b | 4298 | if (adata == NULL) |
e84d6fca | 4299 | goto error; |
a95a4550 | 4300 | |
46d1c23b TG |
4301 | adata->magic = bfd_getb32 (hdr.magic); |
4302 | adata->nfat_arch = bfd_getb32 (hdr.nfat_arch); | |
3af9a47b | 4303 | if (adata->magic != 0xcafebabe) |
e84d6fca | 4304 | goto error; |
27cc28f9 AS |
4305 | /* Avoid matching Java bytecode files, which have the same magic number. |
4306 | In the Java bytecode file format this field contains the JVM version, | |
4307 | which starts at 43.0. */ | |
4308 | if (adata->nfat_arch > 30) | |
4309 | goto error; | |
3af9a47b | 4310 | |
c2f09c75 | 4311 | adata->archentries = |
3af9a47b NC |
4312 | bfd_alloc (abfd, adata->nfat_arch * sizeof (mach_o_fat_archentry)); |
4313 | if (adata->archentries == NULL) | |
e84d6fca | 4314 | goto error; |
3af9a47b NC |
4315 | |
4316 | for (i = 0; i < adata->nfat_arch; i++) | |
4317 | { | |
46d1c23b TG |
4318 | struct mach_o_fat_arch_external arch; |
4319 | if (bfd_bread (&arch, sizeof (arch), abfd) != sizeof (arch)) | |
e84d6fca | 4320 | goto error; |
46d1c23b TG |
4321 | adata->archentries[i].cputype = bfd_getb32 (arch.cputype); |
4322 | adata->archentries[i].cpusubtype = bfd_getb32 (arch.cpusubtype); | |
4323 | adata->archentries[i].offset = bfd_getb32 (arch.offset); | |
4324 | adata->archentries[i].size = bfd_getb32 (arch.size); | |
4325 | adata->archentries[i].align = bfd_getb32 (arch.align); | |
3af9a47b NC |
4326 | } |
4327 | ||
4328 | abfd->tdata.mach_o_fat_data = adata; | |
4329 | return abfd->xvec; | |
e84d6fca AM |
4330 | |
4331 | error: | |
4332 | if (adata != NULL) | |
4333 | bfd_release (abfd, adata); | |
4334 | bfd_set_error (bfd_error_wrong_format); | |
4335 | return NULL; | |
3af9a47b NC |
4336 | } |
4337 | ||
a4e241ca TG |
4338 | /* Set the filename for a fat binary member ABFD, whose bfd architecture is |
4339 | ARCH_TYPE/ARCH_SUBTYPE and corresponding entry in header is ENTRY. | |
4340 | Set arelt_data and origin fields too. */ | |
4341 | ||
4342 | static void | |
4343 | bfd_mach_o_fat_member_init (bfd *abfd, | |
4344 | enum bfd_architecture arch_type, | |
4345 | unsigned long arch_subtype, | |
4346 | mach_o_fat_archentry *entry) | |
4347 | { | |
4348 | struct areltdata *areltdata; | |
4349 | /* Create the member filename. Use ARCH_NAME. */ | |
4350 | const bfd_arch_info_type *ap = bfd_lookup_arch (arch_type, arch_subtype); | |
4351 | ||
4352 | if (ap) | |
4353 | { | |
4354 | /* Use the architecture name if known. */ | |
4355 | abfd->filename = ap->printable_name; | |
4356 | } | |
4357 | else | |
4358 | { | |
4359 | /* Forge a uniq id. */ | |
4360 | const size_t namelen = 2 + 8 + 1 + 2 + 8 + 1; | |
4361 | char *name = bfd_alloc (abfd, namelen); | |
4362 | snprintf (name, namelen, "0x%lx-0x%lx", | |
4363 | entry->cputype, entry->cpusubtype); | |
4364 | abfd->filename = name; | |
4365 | } | |
4366 | ||
06e7acd7 | 4367 | areltdata = bfd_zmalloc (sizeof (struct areltdata)); |
a4e241ca TG |
4368 | areltdata->parsed_size = entry->size; |
4369 | abfd->arelt_data = areltdata; | |
4370 | abfd->iostream = NULL; | |
4371 | abfd->origin = entry->offset; | |
4372 | } | |
4373 | ||
3af9a47b | 4374 | bfd * |
116c20d2 | 4375 | bfd_mach_o_openr_next_archived_file (bfd *archive, bfd *prev) |
3af9a47b | 4376 | { |
e84d6fca | 4377 | mach_o_fat_data_struct *adata; |
3af9a47b NC |
4378 | mach_o_fat_archentry *entry = NULL; |
4379 | unsigned long i; | |
15e1c58a | 4380 | bfd *nbfd; |
15e1c58a TG |
4381 | enum bfd_architecture arch_type; |
4382 | unsigned long arch_subtype; | |
3af9a47b | 4383 | |
e84d6fca | 4384 | adata = (mach_o_fat_data_struct *) archive->tdata.mach_o_fat_data; |
3af9a47b NC |
4385 | BFD_ASSERT (adata != NULL); |
4386 | ||
4387 | /* Find index of previous entry. */ | |
4388 | if (prev == NULL) | |
a4e241ca TG |
4389 | { |
4390 | /* Start at first one. */ | |
4391 | i = 0; | |
4392 | } | |
3af9a47b NC |
4393 | else |
4394 | { | |
a4e241ca | 4395 | /* Find index of PREV. */ |
3af9a47b NC |
4396 | for (i = 0; i < adata->nfat_arch; i++) |
4397 | { | |
15e1c58a | 4398 | if (adata->archentries[i].offset == prev->origin) |
3af9a47b NC |
4399 | break; |
4400 | } | |
4401 | ||
4402 | if (i == adata->nfat_arch) | |
4403 | { | |
4404 | /* Not found. */ | |
4405 | bfd_set_error (bfd_error_bad_value); | |
a95a4550 | 4406 | return NULL; |
3af9a47b | 4407 | } |
a4e241ca TG |
4408 | |
4409 | /* Get next entry. */ | |
4410 | i++; | |
4411 | } | |
a95a4550 | 4412 | |
3af9a47b NC |
4413 | if (i >= adata->nfat_arch) |
4414 | { | |
4415 | bfd_set_error (bfd_error_no_more_archived_files); | |
4416 | return NULL; | |
4417 | } | |
4418 | ||
4419 | entry = &adata->archentries[i]; | |
15e1c58a TG |
4420 | nbfd = _bfd_new_bfd_contained_in (archive); |
4421 | if (nbfd == NULL) | |
4422 | return NULL; | |
4423 | ||
15e1c58a TG |
4424 | bfd_mach_o_convert_architecture (entry->cputype, entry->cpusubtype, |
4425 | &arch_type, &arch_subtype); | |
846b9259 | 4426 | |
a4e241ca TG |
4427 | bfd_mach_o_fat_member_init (nbfd, arch_type, arch_subtype, entry); |
4428 | ||
846b9259 | 4429 | bfd_set_arch_mach (nbfd, arch_type, arch_subtype); |
3af9a47b | 4430 | |
15e1c58a | 4431 | return nbfd; |
3af9a47b NC |
4432 | } |
4433 | ||
15bbba8d TG |
4434 | /* Analogous to stat call. */ |
4435 | ||
4436 | static int | |
4437 | bfd_mach_o_fat_stat_arch_elt (bfd *abfd, struct stat *buf) | |
4438 | { | |
4439 | if (abfd->arelt_data == NULL) | |
4440 | { | |
4441 | bfd_set_error (bfd_error_invalid_operation); | |
4442 | return -1; | |
4443 | } | |
4444 | ||
4445 | buf->st_mtime = 0; | |
4446 | buf->st_uid = 0; | |
4447 | buf->st_gid = 0; | |
4448 | buf->st_mode = 0644; | |
4449 | buf->st_size = arelt_size (abfd); | |
4450 | ||
4451 | return 0; | |
4452 | } | |
4453 | ||
846b9259 TG |
4454 | /* If ABFD format is FORMAT and architecture is ARCH, return it. |
4455 | If ABFD is a fat image containing a member that corresponds to FORMAT | |
4456 | and ARCH, returns it. | |
4457 | In other case, returns NULL. | |
4458 | This function allows transparent uses of fat images. */ | |
a4e241ca | 4459 | |
846b9259 TG |
4460 | bfd * |
4461 | bfd_mach_o_fat_extract (bfd *abfd, | |
4462 | bfd_format format, | |
4463 | const bfd_arch_info_type *arch) | |
4464 | { | |
4465 | bfd *res; | |
4466 | mach_o_fat_data_struct *adata; | |
4467 | unsigned int i; | |
4468 | ||
4469 | if (bfd_check_format (abfd, format)) | |
4470 | { | |
4471 | if (bfd_get_arch_info (abfd) == arch) | |
4472 | return abfd; | |
4473 | return NULL; | |
4474 | } | |
4475 | if (!bfd_check_format (abfd, bfd_archive) | |
4476 | || abfd->xvec != &mach_o_fat_vec) | |
4477 | return NULL; | |
c2f09c75 | 4478 | |
846b9259 TG |
4479 | /* This is a Mach-O fat image. */ |
4480 | adata = (mach_o_fat_data_struct *) abfd->tdata.mach_o_fat_data; | |
4481 | BFD_ASSERT (adata != NULL); | |
4482 | ||
4483 | for (i = 0; i < adata->nfat_arch; i++) | |
4484 | { | |
4485 | struct mach_o_fat_archentry *e = &adata->archentries[i]; | |
4486 | enum bfd_architecture cpu_type; | |
4487 | unsigned long cpu_subtype; | |
4488 | ||
4489 | bfd_mach_o_convert_architecture (e->cputype, e->cpusubtype, | |
4490 | &cpu_type, &cpu_subtype); | |
4491 | if (cpu_type != arch->arch || cpu_subtype != arch->mach) | |
4492 | continue; | |
4493 | ||
4494 | /* The architecture is found. */ | |
4495 | res = _bfd_new_bfd_contained_in (abfd); | |
4496 | if (res == NULL) | |
4497 | return NULL; | |
4498 | ||
a4e241ca | 4499 | bfd_mach_o_fat_member_init (res, cpu_type, cpu_subtype, e); |
846b9259 TG |
4500 | |
4501 | if (bfd_check_format (res, format)) | |
4502 | { | |
4503 | BFD_ASSERT (bfd_get_arch_info (res) == arch); | |
4504 | return res; | |
4505 | } | |
4506 | bfd_close (res); | |
4507 | return NULL; | |
4508 | } | |
4509 | ||
4510 | return NULL; | |
4511 | } | |
4512 | ||
3af9a47b | 4513 | int |
116c20d2 NC |
4514 | bfd_mach_o_lookup_command (bfd *abfd, |
4515 | bfd_mach_o_load_command_type type, | |
4516 | bfd_mach_o_load_command **mcommand) | |
3af9a47b | 4517 | { |
046b007d | 4518 | struct mach_o_data_struct *md = bfd_mach_o_get_data (abfd); |
3af9a47b NC |
4519 | bfd_mach_o_load_command *ncmd = NULL; |
4520 | unsigned int i, num; | |
4521 | ||
3af9a47b NC |
4522 | BFD_ASSERT (md != NULL); |
4523 | BFD_ASSERT (mcommand != NULL); | |
4524 | ||
4525 | num = 0; | |
4526 | for (i = 0; i < md->header.ncmds; i++) | |
4527 | { | |
4528 | struct bfd_mach_o_load_command *cmd = &md->commands[i]; | |
4529 | ||
4530 | if (cmd->type != type) | |
4531 | continue; | |
4532 | ||
4533 | if (num == 0) | |
4534 | ncmd = cmd; | |
4535 | num++; | |
4536 | } | |
4537 | ||
4538 | *mcommand = ncmd; | |
4539 | return num; | |
4540 | } | |
4541 | ||
4542 | unsigned long | |
116c20d2 | 4543 | bfd_mach_o_stack_addr (enum bfd_mach_o_cpu_type type) |
3af9a47b NC |
4544 | { |
4545 | switch (type) | |
4546 | { | |
4547 | case BFD_MACH_O_CPU_TYPE_MC680x0: | |
4548 | return 0x04000000; | |
4549 | case BFD_MACH_O_CPU_TYPE_MC88000: | |
4550 | return 0xffffe000; | |
4551 | case BFD_MACH_O_CPU_TYPE_POWERPC: | |
4552 | return 0xc0000000; | |
4553 | case BFD_MACH_O_CPU_TYPE_I386: | |
4554 | return 0xc0000000; | |
4555 | case BFD_MACH_O_CPU_TYPE_SPARC: | |
4556 | return 0xf0000000; | |
4557 | case BFD_MACH_O_CPU_TYPE_I860: | |
4558 | return 0; | |
4559 | case BFD_MACH_O_CPU_TYPE_HPPA: | |
e84d6fca | 4560 | return 0xc0000000 - 0x04000000; |
3af9a47b NC |
4561 | default: |
4562 | return 0; | |
4563 | } | |
4564 | } | |
4565 | ||
ab76eeaf IS |
4566 | /* The following two tables should be kept, as far as possible, in order of |
4567 | most frequently used entries to optimize their use from gas. */ | |
4568 | ||
c5012cd8 | 4569 | const bfd_mach_o_xlat_name bfd_mach_o_section_type_name[] = |
046b007d TG |
4570 | { |
4571 | { "regular", BFD_MACH_O_S_REGULAR}, | |
ab76eeaf | 4572 | { "coalesced", BFD_MACH_O_S_COALESCED}, |
046b007d TG |
4573 | { "zerofill", BFD_MACH_O_S_ZEROFILL}, |
4574 | { "cstring_literals", BFD_MACH_O_S_CSTRING_LITERALS}, | |
4575 | { "4byte_literals", BFD_MACH_O_S_4BYTE_LITERALS}, | |
4576 | { "8byte_literals", BFD_MACH_O_S_8BYTE_LITERALS}, | |
ab76eeaf | 4577 | { "16byte_literals", BFD_MACH_O_S_16BYTE_LITERALS}, |
046b007d | 4578 | { "literal_pointers", BFD_MACH_O_S_LITERAL_POINTERS}, |
046b007d TG |
4579 | { "mod_init_func_pointers", BFD_MACH_O_S_MOD_INIT_FUNC_POINTERS}, |
4580 | { "mod_fini_func_pointers", BFD_MACH_O_S_MOD_FINI_FUNC_POINTERS}, | |
046b007d TG |
4581 | { "gb_zerofill", BFD_MACH_O_S_GB_ZEROFILL}, |
4582 | { "interposing", BFD_MACH_O_S_INTERPOSING}, | |
046b007d | 4583 | { "dtrace_dof", BFD_MACH_O_S_DTRACE_DOF}, |
ab76eeaf IS |
4584 | { "non_lazy_symbol_pointers", BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS}, |
4585 | { "lazy_symbol_pointers", BFD_MACH_O_S_LAZY_SYMBOL_POINTERS}, | |
a4551119 | 4586 | { "symbol_stubs", BFD_MACH_O_S_SYMBOL_STUBS}, |
046b007d TG |
4587 | { "lazy_dylib_symbol_pointers", BFD_MACH_O_S_LAZY_DYLIB_SYMBOL_POINTERS}, |
4588 | { NULL, 0} | |
4589 | }; | |
4590 | ||
c5012cd8 | 4591 | const bfd_mach_o_xlat_name bfd_mach_o_section_attribute_name[] = |
046b007d | 4592 | { |
ab76eeaf IS |
4593 | { "pure_instructions", BFD_MACH_O_S_ATTR_PURE_INSTRUCTIONS }, |
4594 | { "some_instructions", BFD_MACH_O_S_ATTR_SOME_INSTRUCTIONS }, | |
046b007d TG |
4595 | { "loc_reloc", BFD_MACH_O_S_ATTR_LOC_RELOC }, |
4596 | { "ext_reloc", BFD_MACH_O_S_ATTR_EXT_RELOC }, | |
046b007d | 4597 | { "debug", BFD_MACH_O_S_ATTR_DEBUG }, |
046b007d TG |
4598 | { "live_support", BFD_MACH_O_S_ATTR_LIVE_SUPPORT }, |
4599 | { "no_dead_strip", BFD_MACH_O_S_ATTR_NO_DEAD_STRIP }, | |
4600 | { "strip_static_syms", BFD_MACH_O_S_ATTR_STRIP_STATIC_SYMS }, | |
4601 | { "no_toc", BFD_MACH_O_S_ATTR_NO_TOC }, | |
a4551119 | 4602 | { "self_modifying_code", BFD_MACH_O_S_SELF_MODIFYING_CODE }, |
ab76eeaf | 4603 | { "modifying_code", BFD_MACH_O_S_SELF_MODIFYING_CODE }, |
046b007d TG |
4604 | { NULL, 0} |
4605 | }; | |
4606 | ||
a4551119 | 4607 | /* Get the section type from NAME. Return 256 if NAME is unknown. */ |
53d58d96 TG |
4608 | |
4609 | unsigned int | |
ab76eeaf | 4610 | bfd_mach_o_get_section_type_from_name (bfd *abfd, const char *name) |
53d58d96 | 4611 | { |
afbb9e17 | 4612 | const bfd_mach_o_xlat_name *x; |
ab76eeaf | 4613 | bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd); |
53d58d96 TG |
4614 | |
4615 | for (x = bfd_mach_o_section_type_name; x->name; x++) | |
4616 | if (strcmp (x->name, name) == 0) | |
ab76eeaf IS |
4617 | { |
4618 | /* We found it... does the target support it? */ | |
4619 | if (bed->bfd_mach_o_section_type_valid_for_target == NULL | |
4620 | || bed->bfd_mach_o_section_type_valid_for_target (x->val)) | |
4621 | return x->val; /* OK. */ | |
4622 | else | |
4623 | break; /* Not supported. */ | |
4624 | } | |
a4551119 TG |
4625 | /* Maximum section ID = 0xff. */ |
4626 | return 256; | |
53d58d96 TG |
4627 | } |
4628 | ||
4629 | /* Get the section attribute from NAME. Return -1 if NAME is unknown. */ | |
4630 | ||
4631 | unsigned int | |
4632 | bfd_mach_o_get_section_attribute_from_name (const char *name) | |
4633 | { | |
afbb9e17 | 4634 | const bfd_mach_o_xlat_name *x; |
53d58d96 TG |
4635 | |
4636 | for (x = bfd_mach_o_section_attribute_name; x->name; x++) | |
4637 | if (strcmp (x->name, name) == 0) | |
4638 | return x->val; | |
4639 | return (unsigned int)-1; | |
4640 | } | |
4641 | ||
3af9a47b | 4642 | int |
116c20d2 NC |
4643 | bfd_mach_o_core_fetch_environment (bfd *abfd, |
4644 | unsigned char **rbuf, | |
4645 | unsigned int *rlen) | |
3af9a47b | 4646 | { |
046b007d | 4647 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
3af9a47b NC |
4648 | unsigned long stackaddr = bfd_mach_o_stack_addr (mdata->header.cputype); |
4649 | unsigned int i = 0; | |
4650 | ||
4651 | for (i = 0; i < mdata->header.ncmds; i++) | |
4652 | { | |
4653 | bfd_mach_o_load_command *cur = &mdata->commands[i]; | |
4654 | bfd_mach_o_segment_command *seg = NULL; | |
4655 | ||
4656 | if (cur->type != BFD_MACH_O_LC_SEGMENT) | |
4657 | continue; | |
4658 | ||
4659 | seg = &cur->command.segment; | |
4660 | ||
4661 | if ((seg->vmaddr + seg->vmsize) == stackaddr) | |
4662 | { | |
4663 | unsigned long start = seg->fileoff; | |
4664 | unsigned long end = seg->fileoff + seg->filesize; | |
4665 | unsigned char *buf = bfd_malloc (1024); | |
4666 | unsigned long size = 1024; | |
4667 | ||
4668 | for (;;) | |
4669 | { | |
4670 | bfd_size_type nread = 0; | |
4671 | unsigned long offset; | |
4672 | int found_nonnull = 0; | |
4673 | ||
4674 | if (size > (end - start)) | |
4675 | size = (end - start); | |
4676 | ||
515ef31d NC |
4677 | buf = bfd_realloc_or_free (buf, size); |
4678 | if (buf == NULL) | |
4679 | return -1; | |
c2f09c75 TG |
4680 | |
4681 | if (bfd_seek (abfd, end - size, SEEK_SET) != 0) | |
4682 | { | |
4683 | free (buf); | |
4684 | return -1; | |
4685 | } | |
4686 | ||
3af9a47b | 4687 | nread = bfd_bread (buf, size, abfd); |
a95a4550 | 4688 | |
3af9a47b | 4689 | if (nread != size) |
515ef31d NC |
4690 | { |
4691 | free (buf); | |
4692 | return -1; | |
4693 | } | |
a95a4550 | 4694 | |
3af9a47b NC |
4695 | for (offset = 4; offset <= size; offset += 4) |
4696 | { | |
e84d6fca | 4697 | unsigned long val; |
3af9a47b | 4698 | |
e84d6fca | 4699 | val = *((unsigned long *) (buf + size - offset)); |
3af9a47b NC |
4700 | if (! found_nonnull) |
4701 | { | |
4702 | if (val != 0) | |
4703 | found_nonnull = 1; | |
4704 | } | |
4705 | else if (val == 0x0) | |
4706 | { | |
e84d6fca AM |
4707 | unsigned long bottom; |
4708 | unsigned long top; | |
3af9a47b | 4709 | |
e84d6fca AM |
4710 | bottom = seg->fileoff + seg->filesize - offset; |
4711 | top = seg->fileoff + seg->filesize - 4; | |
3af9a47b NC |
4712 | *rbuf = bfd_malloc (top - bottom); |
4713 | *rlen = top - bottom; | |
4714 | ||
4715 | memcpy (*rbuf, buf + size - *rlen, *rlen); | |
515ef31d | 4716 | free (buf); |
3af9a47b NC |
4717 | return 0; |
4718 | } | |
4719 | } | |
4720 | ||
4721 | if (size == (end - start)) | |
4722 | break; | |
4723 | ||
4724 | size *= 2; | |
4725 | } | |
515ef31d NC |
4726 | |
4727 | free (buf); | |
3af9a47b NC |
4728 | } |
4729 | } | |
4730 | ||
4731 | return -1; | |
4732 | } | |
4733 | ||
4734 | char * | |
116c20d2 | 4735 | bfd_mach_o_core_file_failing_command (bfd *abfd) |
3af9a47b NC |
4736 | { |
4737 | unsigned char *buf = NULL; | |
4738 | unsigned int len = 0; | |
4739 | int ret = -1; | |
4740 | ||
4741 | ret = bfd_mach_o_core_fetch_environment (abfd, &buf, &len); | |
4742 | if (ret < 0) | |
4743 | return NULL; | |
4744 | ||
f075ee0c | 4745 | return (char *) buf; |
3af9a47b NC |
4746 | } |
4747 | ||
4748 | int | |
116c20d2 | 4749 | bfd_mach_o_core_file_failing_signal (bfd *abfd ATTRIBUTE_UNUSED) |
3af9a47b NC |
4750 | { |
4751 | return 0; | |
4752 | } | |
4753 | ||
2ca7691a TG |
4754 | static bfd_mach_o_uuid_command * |
4755 | bfd_mach_o_lookup_uuid_command (bfd *abfd) | |
4756 | { | |
4757 | bfd_mach_o_load_command *uuid_cmd; | |
4758 | int ncmd = bfd_mach_o_lookup_command (abfd, BFD_MACH_O_LC_UUID, &uuid_cmd); | |
4759 | if (ncmd != 1) | |
4760 | return FALSE; | |
4761 | return &uuid_cmd->command.uuid; | |
4762 | } | |
4763 | ||
4764 | /* Return true if ABFD is a dSYM file and its UUID matches UUID_CMD. */ | |
4765 | ||
4766 | static bfd_boolean | |
4767 | bfd_mach_o_dsym_for_uuid_p (bfd *abfd, const bfd_mach_o_uuid_command *uuid_cmd) | |
4768 | { | |
4769 | bfd_mach_o_uuid_command *dsym_uuid_cmd; | |
4770 | ||
4771 | BFD_ASSERT (abfd); | |
4772 | BFD_ASSERT (uuid_cmd); | |
4773 | ||
4774 | if (!bfd_check_format (abfd, bfd_object)) | |
4775 | return FALSE; | |
4776 | ||
4777 | if (bfd_get_flavour (abfd) != bfd_target_mach_o_flavour | |
4778 | || bfd_mach_o_get_data (abfd) == NULL | |
4779 | || bfd_mach_o_get_data (abfd)->header.filetype != BFD_MACH_O_MH_DSYM) | |
4780 | return FALSE; | |
4781 | ||
4782 | dsym_uuid_cmd = bfd_mach_o_lookup_uuid_command (abfd); | |
4783 | if (dsym_uuid_cmd == NULL) | |
4784 | return FALSE; | |
4785 | ||
4786 | if (memcmp (uuid_cmd->uuid, dsym_uuid_cmd->uuid, | |
4787 | sizeof (uuid_cmd->uuid)) != 0) | |
4788 | return FALSE; | |
4789 | ||
4790 | return TRUE; | |
4791 | } | |
4792 | ||
4793 | /* Find a BFD in DSYM_FILENAME which matches ARCH and UUID_CMD. | |
4794 | The caller is responsible for closing the returned BFD object and | |
4795 | its my_archive if the returned BFD is in a fat dSYM. */ | |
4796 | ||
4797 | static bfd * | |
4798 | bfd_mach_o_find_dsym (const char *dsym_filename, | |
4799 | const bfd_mach_o_uuid_command *uuid_cmd, | |
4800 | const bfd_arch_info_type *arch) | |
4801 | { | |
4802 | bfd *base_dsym_bfd, *dsym_bfd; | |
4803 | ||
4804 | BFD_ASSERT (uuid_cmd); | |
4805 | ||
4806 | base_dsym_bfd = bfd_openr (dsym_filename, NULL); | |
4807 | if (base_dsym_bfd == NULL) | |
4808 | return NULL; | |
4809 | ||
4810 | dsym_bfd = bfd_mach_o_fat_extract (base_dsym_bfd, bfd_object, arch); | |
4811 | if (bfd_mach_o_dsym_for_uuid_p (dsym_bfd, uuid_cmd)) | |
4812 | return dsym_bfd; | |
4813 | ||
4814 | bfd_close (dsym_bfd); | |
4815 | if (base_dsym_bfd != dsym_bfd) | |
4816 | bfd_close (base_dsym_bfd); | |
4817 | ||
4818 | return NULL; | |
4819 | } | |
4820 | ||
4821 | /* Return a BFD created from a dSYM file for ABFD. | |
4822 | The caller is responsible for closing the returned BFD object, its | |
4823 | filename, and its my_archive if the returned BFD is in a fat dSYM. */ | |
4824 | ||
4825 | static bfd * | |
4826 | bfd_mach_o_follow_dsym (bfd *abfd) | |
4827 | { | |
4828 | char *dsym_filename; | |
4829 | bfd_mach_o_uuid_command *uuid_cmd; | |
4830 | bfd *dsym_bfd, *base_bfd = abfd; | |
4831 | const char *base_basename; | |
4832 | ||
4833 | if (abfd == NULL || bfd_get_flavour (abfd) != bfd_target_mach_o_flavour) | |
4834 | return NULL; | |
4835 | ||
4836 | if (abfd->my_archive) | |
4837 | base_bfd = abfd->my_archive; | |
4838 | /* BFD may have been opened from a stream. */ | |
4839 | if (base_bfd->filename == NULL) | |
4840 | { | |
4841 | bfd_set_error (bfd_error_invalid_operation); | |
4842 | return NULL; | |
4843 | } | |
4844 | base_basename = lbasename (base_bfd->filename); | |
4845 | ||
4846 | uuid_cmd = bfd_mach_o_lookup_uuid_command (abfd); | |
4847 | if (uuid_cmd == NULL) | |
4848 | return NULL; | |
4849 | ||
4850 | /* TODO: We assume the DWARF file has the same as the binary's. | |
4851 | It seems apple's GDB checks all files in the dSYM bundle directory. | |
4852 | http://opensource.apple.com/source/gdb/gdb-1708/src/gdb/macosx/macosx-tdep.c | |
4853 | */ | |
4854 | dsym_filename = (char *)bfd_malloc (strlen (base_bfd->filename) | |
4855 | + strlen (dsym_subdir) + 1 | |
4856 | + strlen (base_basename) + 1); | |
4857 | sprintf (dsym_filename, "%s%s/%s", | |
4858 | base_bfd->filename, dsym_subdir, base_basename); | |
4859 | ||
4860 | dsym_bfd = bfd_mach_o_find_dsym (dsym_filename, uuid_cmd, | |
4861 | bfd_get_arch_info (abfd)); | |
4862 | if (dsym_bfd == NULL) | |
4863 | free (dsym_filename); | |
4864 | ||
4865 | return dsym_bfd; | |
4866 | } | |
4867 | ||
d9071b0c TG |
4868 | bfd_boolean |
4869 | bfd_mach_o_find_nearest_line (bfd *abfd, | |
4870 | asection *section, | |
4871 | asymbol **symbols, | |
4872 | bfd_vma offset, | |
4873 | const char **filename_ptr, | |
4874 | const char **functionname_ptr, | |
4875 | unsigned int *line_ptr) | |
4876 | { | |
4877 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
2ca7691a | 4878 | if (mdata == NULL) |
d9071b0c | 4879 | return FALSE; |
2ca7691a TG |
4880 | switch (mdata->header.filetype) |
4881 | { | |
4882 | case BFD_MACH_O_MH_OBJECT: | |
4883 | break; | |
4884 | case BFD_MACH_O_MH_EXECUTE: | |
4885 | case BFD_MACH_O_MH_DYLIB: | |
4886 | case BFD_MACH_O_MH_BUNDLE: | |
4887 | case BFD_MACH_O_MH_KEXT_BUNDLE: | |
4888 | if (mdata->dwarf2_find_line_info == NULL) | |
4889 | { | |
4890 | mdata->dsym_bfd = bfd_mach_o_follow_dsym (abfd); | |
4891 | /* When we couldn't find dSYM for this binary, we look for | |
4892 | the debug information in the binary itself. In this way, | |
4893 | we won't try finding separated dSYM again because | |
4894 | mdata->dwarf2_find_line_info will be filled. */ | |
4895 | if (! mdata->dsym_bfd) | |
4896 | break; | |
4897 | if (! _bfd_dwarf2_slurp_debug_info (abfd, mdata->dsym_bfd, | |
4898 | dwarf_debug_sections, symbols, | |
4899 | &mdata->dwarf2_find_line_info)) | |
4900 | return FALSE; | |
4901 | } | |
4902 | break; | |
4903 | default: | |
4904 | return FALSE; | |
4905 | } | |
d9071b0c TG |
4906 | if (_bfd_dwarf2_find_nearest_line (abfd, dwarf_debug_sections, |
4907 | section, symbols, offset, | |
4908 | filename_ptr, functionname_ptr, | |
9b8d1a36 | 4909 | line_ptr, NULL, 0, |
d9071b0c TG |
4910 | &mdata->dwarf2_find_line_info)) |
4911 | return TRUE; | |
4912 | return FALSE; | |
4913 | } | |
4914 | ||
4915 | bfd_boolean | |
4916 | bfd_mach_o_close_and_cleanup (bfd *abfd) | |
4917 | { | |
4918 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
4919 | if (bfd_get_format (abfd) == bfd_object && mdata != NULL) | |
4434114c TG |
4920 | { |
4921 | _bfd_dwarf2_cleanup_debug_info (abfd, &mdata->dwarf2_find_line_info); | |
4922 | bfd_mach_o_free_cached_info (abfd); | |
2ca7691a TG |
4923 | if (mdata->dsym_bfd != NULL) |
4924 | { | |
4925 | bfd *fat_bfd = mdata->dsym_bfd->my_archive; | |
4926 | char *dsym_filename = (char *)(fat_bfd | |
4927 | ? fat_bfd->filename | |
4928 | : mdata->dsym_bfd->filename); | |
4929 | bfd_close (mdata->dsym_bfd); | |
4930 | mdata->dsym_bfd = NULL; | |
4931 | if (fat_bfd) | |
4932 | bfd_close (fat_bfd); | |
4933 | free (dsym_filename); | |
4934 | } | |
4434114c | 4935 | } |
dff55db0 | 4936 | |
8c746b96 AM |
4937 | if (bfd_get_format (abfd) == bfd_archive |
4938 | && abfd->xvec == &mach_o_fat_vec) | |
4939 | return TRUE; | |
d9071b0c TG |
4940 | return _bfd_generic_close_and_cleanup (abfd); |
4941 | } | |
4942 | ||
dff55db0 TG |
4943 | bfd_boolean bfd_mach_o_free_cached_info (bfd *abfd) |
4944 | { | |
4945 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
4946 | asection *asect; | |
4947 | free (mdata->dyn_reloc_cache); | |
4948 | mdata->dyn_reloc_cache = NULL; | |
4949 | for (asect = abfd->sections; asect != NULL; asect = asect->next) | |
4950 | { | |
4951 | free (asect->relocation); | |
4952 | asect->relocation = NULL; | |
4953 | } | |
4954 | ||
4955 | return TRUE; | |
4956 | } | |
4957 | ||
68ffbac6 | 4958 | #define bfd_mach_o_bfd_reloc_type_lookup _bfd_norelocs_bfd_reloc_type_lookup |
92bc0e80 TG |
4959 | #define bfd_mach_o_bfd_reloc_name_lookup _bfd_norelocs_bfd_reloc_name_lookup |
4960 | ||
4961 | #define bfd_mach_o_swap_reloc_in NULL | |
4962 | #define bfd_mach_o_swap_reloc_out NULL | |
b32e07d7 | 4963 | #define bfd_mach_o_print_thread NULL |
a4551119 | 4964 | #define bfd_mach_o_tgt_seg_table NULL |
ab76eeaf | 4965 | #define bfd_mach_o_section_type_valid_for_tgt NULL |
92bc0e80 | 4966 | |
116c20d2 NC |
4967 | #define TARGET_NAME mach_o_be_vec |
4968 | #define TARGET_STRING "mach-o-be" | |
42fa0891 | 4969 | #define TARGET_ARCHITECTURE bfd_arch_unknown |
116c20d2 NC |
4970 | #define TARGET_BIG_ENDIAN 1 |
4971 | #define TARGET_ARCHIVE 0 | |
b93a1992 | 4972 | #define TARGET_PRIORITY 1 |
3af9a47b NC |
4973 | #include "mach-o-target.c" |
4974 | ||
4975 | #undef TARGET_NAME | |
4976 | #undef TARGET_STRING | |
42fa0891 | 4977 | #undef TARGET_ARCHITECTURE |
3af9a47b NC |
4978 | #undef TARGET_BIG_ENDIAN |
4979 | #undef TARGET_ARCHIVE | |
b93a1992 | 4980 | #undef TARGET_PRIORITY |
3af9a47b | 4981 | |
116c20d2 NC |
4982 | #define TARGET_NAME mach_o_le_vec |
4983 | #define TARGET_STRING "mach-o-le" | |
42fa0891 | 4984 | #define TARGET_ARCHITECTURE bfd_arch_unknown |
116c20d2 NC |
4985 | #define TARGET_BIG_ENDIAN 0 |
4986 | #define TARGET_ARCHIVE 0 | |
b93a1992 | 4987 | #define TARGET_PRIORITY 1 |
3af9a47b NC |
4988 | |
4989 | #include "mach-o-target.c" | |
4990 | ||
4991 | #undef TARGET_NAME | |
4992 | #undef TARGET_STRING | |
42fa0891 | 4993 | #undef TARGET_ARCHITECTURE |
3af9a47b NC |
4994 | #undef TARGET_BIG_ENDIAN |
4995 | #undef TARGET_ARCHIVE | |
b93a1992 | 4996 | #undef TARGET_PRIORITY |
3af9a47b | 4997 | |
8f95b6e4 TG |
4998 | /* Not yet handled: creating an archive. */ |
4999 | #define bfd_mach_o_mkarchive _bfd_noarchive_mkarchive | |
5000 | ||
5001 | /* Not used. */ | |
5002 | #define bfd_mach_o_read_ar_hdr _bfd_noarchive_read_ar_hdr | |
5003 | #define bfd_mach_o_write_ar_hdr _bfd_noarchive_write_ar_hdr | |
5004 | #define bfd_mach_o_slurp_armap _bfd_noarchive_slurp_armap | |
5005 | #define bfd_mach_o_slurp_extended_name_table _bfd_noarchive_slurp_extended_name_table | |
5006 | #define bfd_mach_o_construct_extended_name_table _bfd_noarchive_construct_extended_name_table | |
5007 | #define bfd_mach_o_truncate_arname _bfd_noarchive_truncate_arname | |
5008 | #define bfd_mach_o_write_armap _bfd_noarchive_write_armap | |
5009 | #define bfd_mach_o_get_elt_at_index _bfd_noarchive_get_elt_at_index | |
15bbba8d | 5010 | #define bfd_mach_o_generic_stat_arch_elt bfd_mach_o_fat_stat_arch_elt |
8f95b6e4 TG |
5011 | #define bfd_mach_o_update_armap_timestamp _bfd_noarchive_update_armap_timestamp |
5012 | ||
116c20d2 NC |
5013 | #define TARGET_NAME mach_o_fat_vec |
5014 | #define TARGET_STRING "mach-o-fat" | |
42fa0891 | 5015 | #define TARGET_ARCHITECTURE bfd_arch_unknown |
116c20d2 NC |
5016 | #define TARGET_BIG_ENDIAN 1 |
5017 | #define TARGET_ARCHIVE 1 | |
b93a1992 | 5018 | #define TARGET_PRIORITY 0 |
3af9a47b NC |
5019 | |
5020 | #include "mach-o-target.c" | |
5021 | ||
5022 | #undef TARGET_NAME | |
5023 | #undef TARGET_STRING | |
42fa0891 | 5024 | #undef TARGET_ARCHITECTURE |
3af9a47b NC |
5025 | #undef TARGET_BIG_ENDIAN |
5026 | #undef TARGET_ARCHIVE | |
b93a1992 | 5027 | #undef TARGET_PRIORITY |