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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 TG |
86 | } |
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 | { |
a4551119 TG |
95 | { ".text", "__text", |
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", | |
124 | SEC_READONLY | SEC_LOAD, BFD_MACH_O_S_COALESCED, | |
125 | BFD_MACH_O_S_ATTR_LIVE_SUPPORT | |
126 | | BFD_MACH_O_S_ATTR_STRIP_STATIC_SYMS | |
127 | | BFD_MACH_O_S_ATTR_NO_TOC, 3}, | |
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 | ||
a4551119 TG |
282 | /* For both cases bfd-name => mach-o name and vice versa, the specific target |
283 | is checked before the generic. This allows a target (e.g. ppc for cstring) | |
284 | to override the generic definition with a more specific one. */ | |
154a1ee5 | 285 | |
a4551119 TG |
286 | /* Fetch the translation from a Mach-O section designation (segment, section) |
287 | as a bfd short name, if one exists. Otherwise return NULL. | |
288 | ||
289 | Allow the segment and section names to be unterminated 16 byte arrays. */ | |
290 | ||
291 | const mach_o_section_name_xlat * | |
292 | bfd_mach_o_section_data_for_mach_sect (bfd *abfd, const char *segname, | |
293 | const char *sectname) | |
154a1ee5 TG |
294 | { |
295 | const struct mach_o_segment_name_xlat *seg; | |
a4551119 TG |
296 | const mach_o_section_name_xlat *sec; |
297 | bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd); | |
154a1ee5 | 298 | |
a4551119 TG |
299 | /* First try any target-specific translations defined... */ |
300 | if (bed->segsec_names_xlat) | |
301 | for (seg = bed->segsec_names_xlat; seg->segname; seg++) | |
302 | if (strncmp (seg->segname, segname, BFD_MACH_O_SEGNAME_SIZE) == 0) | |
303 | for (sec = seg->sections; sec->mach_o_name; sec++) | |
304 | if (strncmp (sec->mach_o_name, sectname, | |
305 | BFD_MACH_O_SECTNAME_SIZE) == 0) | |
306 | return sec; | |
8462aec7 | 307 | |
a4551119 | 308 | /* ... and then the Mach-O generic ones. */ |
154a1ee5 | 309 | for (seg = segsec_names_xlat; seg->segname; seg++) |
a4551119 TG |
310 | if (strncmp (seg->segname, segname, BFD_MACH_O_SEGNAME_SIZE) == 0) |
311 | for (sec = seg->sections; sec->mach_o_name; sec++) | |
312 | if (strncmp (sec->mach_o_name, sectname, | |
313 | BFD_MACH_O_SECTNAME_SIZE) == 0) | |
314 | return sec; | |
154a1ee5 | 315 | |
a4551119 | 316 | return NULL; |
53d58d96 TG |
317 | } |
318 | ||
a4551119 TG |
319 | /* If the bfd_name for this section is a 'canonical' form for which we |
320 | know the Mach-O data, return the segment name and the data for the | |
321 | Mach-O equivalent. Otherwise return NULL. */ | |
7ba695a9 | 322 | |
a4551119 TG |
323 | const mach_o_section_name_xlat * |
324 | bfd_mach_o_section_data_for_bfd_name (bfd *abfd, const char *bfd_name, | |
325 | const char **segname) | |
53d58d96 | 326 | { |
a4551119 TG |
327 | const struct mach_o_segment_name_xlat *seg; |
328 | const mach_o_section_name_xlat *sec; | |
329 | bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd); | |
330 | *segname = NULL; | |
331 | ||
332 | if (bfd_name[0] != '.') | |
333 | return NULL; | |
334 | ||
335 | /* First try any target-specific translations defined... */ | |
336 | if (bed->segsec_names_xlat) | |
337 | for (seg = bed->segsec_names_xlat; seg->segname; seg++) | |
338 | for (sec = seg->sections; sec->bfd_name; sec++) | |
339 | if (strcmp (bfd_name, sec->bfd_name) == 0) | |
340 | { | |
341 | *segname = seg->segname; | |
342 | return sec; | |
343 | } | |
344 | ||
345 | /* ... and then the Mach-O generic ones. */ | |
346 | for (seg = segsec_names_xlat; seg->segname; seg++) | |
347 | for (sec = seg->sections; sec->bfd_name; sec++) | |
348 | if (strcmp (bfd_name, sec->bfd_name) == 0) | |
349 | { | |
350 | *segname = seg->segname; | |
351 | return sec; | |
352 | } | |
353 | ||
354 | return NULL; | |
355 | } | |
356 | ||
357 | /* Convert Mach-O section name to BFD. | |
358 | ||
359 | Try to use standard/canonical names, for which we have tables including | |
360 | default flag settings - which are returned. Otherwise forge a new name | |
361 | in the form "<segmentname>.<sectionname>" this will be prefixed with | |
362 | LC_SEGMENT. if the segment name does not begin with an underscore. | |
363 | ||
364 | SEGNAME and SECTNAME are 16 byte arrays (they do not need to be NUL- | |
365 | terminated if the name length is exactly 16 bytes - but must be if the name | |
366 | length is less than 16 characters). */ | |
367 | ||
368 | void | |
369 | bfd_mach_o_convert_section_name_to_bfd (bfd *abfd, const char *segname, | |
370 | const char *secname, const char **name, | |
371 | flagword *flags) | |
372 | { | |
373 | const mach_o_section_name_xlat *xlat; | |
53d58d96 TG |
374 | char *res; |
375 | unsigned int len; | |
376 | const char *pfx = ""; | |
377 | ||
a4551119 TG |
378 | *name = NULL; |
379 | *flags = SEC_NO_FLAGS; | |
53d58d96 | 380 | |
a4551119 TG |
381 | /* First search for a canonical name... |
382 | xlat will be non-null if there is an entry for segname, secname. */ | |
383 | xlat = bfd_mach_o_section_data_for_mach_sect (abfd, segname, secname); | |
384 | if (xlat) | |
385 | { | |
386 | len = strlen (xlat->bfd_name); | |
387 | res = bfd_alloc (abfd, len+1); | |
388 | if (res == NULL) | |
389 | return; | |
390 | memcpy (res, xlat->bfd_name, len+1); | |
391 | *name = res; | |
392 | *flags = xlat->bfd_flags; | |
393 | return; | |
394 | } | |
395 | ||
396 | /* ... else we make up a bfd name from the segment concatenated with the | |
397 | section. */ | |
154a1ee5 | 398 | |
7ba695a9 | 399 | len = 16 + 1 + 16 + 1; |
154a1ee5 | 400 | |
c2f09c75 TG |
401 | /* Put "LC_SEGMENT." prefix if the segment name is weird (ie doesn't start |
402 | with an underscore. */ | |
f1bde64c | 403 | if (segname[0] != '_') |
c2f09c75 TG |
404 | { |
405 | static const char seg_pfx[] = "LC_SEGMENT."; | |
406 | ||
407 | pfx = seg_pfx; | |
408 | len += sizeof (seg_pfx) - 1; | |
409 | } | |
410 | ||
154a1ee5 TG |
411 | res = bfd_alloc (abfd, len); |
412 | if (res == NULL) | |
8462aec7 | 413 | return; |
a4551119 | 414 | snprintf (res, len, "%s%.16s.%.16s", pfx, segname, secname); |
8462aec7 | 415 | *name = res; |
154a1ee5 TG |
416 | } |
417 | ||
a4551119 | 418 | /* Convert a bfd section name to a Mach-O segment + section name. |
154a1ee5 | 419 | |
a4551119 TG |
420 | If the name is a canonical one for which we have a Darwin match |
421 | return the translation table - which contains defaults for flags, | |
422 | type, attribute and default alignment data. | |
423 | ||
424 | Otherwise, expand the bfd_name (assumed to be in the form | |
425 | "[LC_SEGMENT.]<segmentname>.<sectionname>") and return NULL. */ | |
426 | ||
427 | static const mach_o_section_name_xlat * | |
154a1ee5 TG |
428 | bfd_mach_o_convert_section_name_to_mach_o (bfd *abfd ATTRIBUTE_UNUSED, |
429 | asection *sect, | |
430 | bfd_mach_o_section *section) | |
431 | { | |
a4551119 | 432 | const mach_o_section_name_xlat *xlat; |
154a1ee5 | 433 | const char *name = bfd_get_section_name (abfd, sect); |
a4551119 | 434 | const char *segname; |
154a1ee5 TG |
435 | const char *dot; |
436 | unsigned int len; | |
437 | unsigned int seglen; | |
438 | unsigned int seclen; | |
439 | ||
a4551119 TG |
440 | memset (section->segname, 0, BFD_MACH_O_SEGNAME_SIZE + 1); |
441 | memset (section->sectname, 0, BFD_MACH_O_SECTNAME_SIZE + 1); | |
442 | ||
443 | /* See if is a canonical name ... */ | |
444 | xlat = bfd_mach_o_section_data_for_bfd_name (abfd, name, &segname); | |
445 | if (xlat) | |
446 | { | |
447 | strcpy (section->segname, segname); | |
448 | strcpy (section->sectname, xlat->mach_o_name); | |
449 | return xlat; | |
450 | } | |
154a1ee5 | 451 | |
a4551119 TG |
452 | /* .. else we convert our constructed one back to Mach-O. |
453 | Strip LC_SEGMENT. prefix, if present. */ | |
154a1ee5 TG |
454 | if (strncmp (name, "LC_SEGMENT.", 11) == 0) |
455 | name += 11; | |
456 | ||
457 | /* Find a dot. */ | |
458 | dot = strchr (name, '.'); | |
459 | len = strlen (name); | |
460 | ||
461 | /* Try to split name into segment and section names. */ | |
462 | if (dot && dot != name) | |
463 | { | |
464 | seglen = dot - name; | |
465 | seclen = len - (dot + 1 - name); | |
466 | ||
467 | if (seglen < 16 && seclen < 16) | |
468 | { | |
469 | memcpy (section->segname, name, seglen); | |
470 | section->segname[seglen] = 0; | |
471 | memcpy (section->sectname, dot + 1, seclen); | |
472 | section->sectname[seclen] = 0; | |
a4551119 | 473 | return NULL; |
154a1ee5 TG |
474 | } |
475 | } | |
476 | ||
a4551119 TG |
477 | /* The segment and section names are both missing - don't make them |
478 | into dots. */ | |
479 | if (dot && dot == name) | |
480 | return NULL; | |
481 | ||
482 | /* Just duplicate the name into both segment and section. */ | |
154a1ee5 TG |
483 | if (len > 16) |
484 | len = 16; | |
485 | memcpy (section->segname, name, len); | |
486 | section->segname[len] = 0; | |
487 | memcpy (section->sectname, name, len); | |
488 | section->sectname[len] = 0; | |
a4551119 | 489 | return NULL; |
3af9a47b NC |
490 | } |
491 | ||
b2b62060 TG |
492 | /* Return the size of an entry for section SEC. |
493 | Must be called only for symbol pointer section and symbol stubs | |
494 | sections. */ | |
495 | ||
c5012cd8 | 496 | unsigned int |
b2b62060 TG |
497 | bfd_mach_o_section_get_entry_size (bfd *abfd, bfd_mach_o_section *sec) |
498 | { | |
499 | switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK) | |
500 | { | |
501 | case BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS: | |
502 | case BFD_MACH_O_S_LAZY_SYMBOL_POINTERS: | |
503 | return bfd_mach_o_wide_p (abfd) ? 8 : 4; | |
504 | case BFD_MACH_O_S_SYMBOL_STUBS: | |
505 | return sec->reserved2; | |
506 | default: | |
507 | BFD_FAIL (); | |
508 | return 0; | |
509 | } | |
510 | } | |
511 | ||
512 | /* Return the number of indirect symbols for a section. | |
513 | Must be called only for symbol pointer section and symbol stubs | |
514 | sections. */ | |
515 | ||
c5012cd8 | 516 | unsigned int |
b2b62060 TG |
517 | bfd_mach_o_section_get_nbr_indirect (bfd *abfd, bfd_mach_o_section *sec) |
518 | { | |
519 | unsigned int elsz; | |
520 | ||
521 | elsz = bfd_mach_o_section_get_entry_size (abfd, sec); | |
522 | if (elsz == 0) | |
523 | return 0; | |
524 | else | |
525 | return sec->size / elsz; | |
526 | } | |
527 | ||
528 | ||
3af9a47b NC |
529 | /* Copy any private info we understand from the input symbol |
530 | to the output symbol. */ | |
531 | ||
154a1ee5 | 532 | bfd_boolean |
116c20d2 NC |
533 | bfd_mach_o_bfd_copy_private_symbol_data (bfd *ibfd ATTRIBUTE_UNUSED, |
534 | asymbol *isymbol ATTRIBUTE_UNUSED, | |
535 | bfd *obfd ATTRIBUTE_UNUSED, | |
536 | asymbol *osymbol ATTRIBUTE_UNUSED) | |
3af9a47b | 537 | { |
b34976b6 | 538 | return TRUE; |
3af9a47b NC |
539 | } |
540 | ||
541 | /* Copy any private info we understand from the input section | |
542 | to the output section. */ | |
543 | ||
154a1ee5 | 544 | bfd_boolean |
116c20d2 | 545 | bfd_mach_o_bfd_copy_private_section_data (bfd *ibfd ATTRIBUTE_UNUSED, |
a4551119 | 546 | asection *isection, |
116c20d2 | 547 | bfd *obfd ATTRIBUTE_UNUSED, |
a4551119 TG |
548 | asection *osection) |
549 | { | |
550 | if (osection->used_by_bfd == NULL) | |
551 | osection->used_by_bfd = isection->used_by_bfd; | |
552 | else | |
553 | if (isection->used_by_bfd != NULL) | |
554 | memcpy (osection->used_by_bfd, isection->used_by_bfd, | |
555 | sizeof (bfd_mach_o_section)); | |
556 | ||
557 | if (osection->used_by_bfd != NULL) | |
558 | ((bfd_mach_o_section *)osection->used_by_bfd)->bfdsection = osection; | |
559 | ||
b34976b6 | 560 | return TRUE; |
3af9a47b NC |
561 | } |
562 | ||
563 | /* Copy any private info we understand from the input bfd | |
564 | to the output bfd. */ | |
565 | ||
154a1ee5 | 566 | bfd_boolean |
116c20d2 | 567 | bfd_mach_o_bfd_copy_private_bfd_data (bfd *ibfd, bfd *obfd) |
3af9a47b | 568 | { |
154a1ee5 TG |
569 | if (bfd_get_flavour (ibfd) != bfd_target_mach_o_flavour |
570 | || bfd_get_flavour (obfd) != bfd_target_mach_o_flavour) | |
571 | return TRUE; | |
572 | ||
3af9a47b NC |
573 | BFD_ASSERT (bfd_mach_o_valid (ibfd)); |
574 | BFD_ASSERT (bfd_mach_o_valid (obfd)); | |
575 | ||
154a1ee5 TG |
576 | /* FIXME: copy commands. */ |
577 | ||
b34976b6 | 578 | return TRUE; |
3af9a47b NC |
579 | } |
580 | ||
0c9ef0f0 TG |
581 | /* This allows us to set up to 32 bits of flags (unless we invent some |
582 | fiendish scheme to subdivide). For now, we'll just set the file flags | |
583 | without error checking - just overwrite. */ | |
584 | ||
585 | bfd_boolean | |
586 | bfd_mach_o_bfd_set_private_flags (bfd *abfd, flagword flags) | |
587 | { | |
588 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
589 | ||
590 | if (!mdata) | |
591 | return FALSE; | |
592 | ||
593 | mdata->header.flags = flags; | |
594 | return TRUE; | |
595 | } | |
596 | ||
046b007d | 597 | /* Count the total number of symbols. */ |
154a1ee5 | 598 | |
3af9a47b | 599 | static long |
116c20d2 | 600 | bfd_mach_o_count_symbols (bfd *abfd) |
3af9a47b | 601 | { |
046b007d | 602 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
3af9a47b | 603 | |
046b007d TG |
604 | if (mdata->symtab == NULL) |
605 | return 0; | |
606 | return mdata->symtab->nsyms; | |
3af9a47b NC |
607 | } |
608 | ||
154a1ee5 | 609 | long |
116c20d2 | 610 | bfd_mach_o_get_symtab_upper_bound (bfd *abfd) |
3af9a47b NC |
611 | { |
612 | long nsyms = bfd_mach_o_count_symbols (abfd); | |
613 | ||
3af9a47b NC |
614 | return ((nsyms + 1) * sizeof (asymbol *)); |
615 | } | |
616 | ||
154a1ee5 | 617 | long |
116c20d2 | 618 | bfd_mach_o_canonicalize_symtab (bfd *abfd, asymbol **alocation) |
3af9a47b | 619 | { |
046b007d | 620 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
3af9a47b | 621 | long nsyms = bfd_mach_o_count_symbols (abfd); |
046b007d TG |
622 | bfd_mach_o_symtab_command *sym = mdata->symtab; |
623 | unsigned long j; | |
3af9a47b NC |
624 | |
625 | if (nsyms < 0) | |
626 | return nsyms; | |
627 | ||
092d27ff TG |
628 | if (nsyms == 0) |
629 | { | |
630 | /* Do not try to read symbols if there are none. */ | |
631 | alocation[0] = NULL; | |
632 | return 0; | |
633 | } | |
634 | ||
afbb9e17 | 635 | if (!bfd_mach_o_read_symtab_symbols (abfd)) |
3af9a47b | 636 | { |
afbb9e17 TG |
637 | (*_bfd_error_handler) |
638 | (_("bfd_mach_o_canonicalize_symtab: unable to load symbols")); | |
046b007d TG |
639 | return 0; |
640 | } | |
3af9a47b | 641 | |
046b007d | 642 | BFD_ASSERT (sym->symbols != NULL); |
3af9a47b | 643 | |
046b007d TG |
644 | for (j = 0; j < sym->nsyms; j++) |
645 | alocation[j] = &sym->symbols[j].symbol; | |
3af9a47b | 646 | |
046b007d | 647 | alocation[j] = NULL; |
a95a4550 | 648 | |
3af9a47b NC |
649 | return nsyms; |
650 | } | |
651 | ||
b2b62060 TG |
652 | long |
653 | bfd_mach_o_get_synthetic_symtab (bfd *abfd, | |
654 | long symcount ATTRIBUTE_UNUSED, | |
655 | asymbol **syms ATTRIBUTE_UNUSED, | |
656 | long dynsymcount ATTRIBUTE_UNUSED, | |
657 | asymbol **dynsyms ATTRIBUTE_UNUSED, | |
658 | asymbol **ret) | |
659 | { | |
660 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
661 | bfd_mach_o_dysymtab_command *dysymtab = mdata->dysymtab; | |
662 | bfd_mach_o_symtab_command *symtab = mdata->symtab; | |
663 | asymbol *s; | |
664 | unsigned long count, i, j, n; | |
665 | size_t size; | |
666 | char *names; | |
667 | char *nul_name; | |
668 | ||
669 | *ret = NULL; | |
670 | ||
671 | if (dysymtab == NULL || symtab == NULL || symtab->symbols == NULL) | |
672 | return 0; | |
673 | ||
674 | if (dysymtab->nindirectsyms == 0) | |
675 | return 0; | |
676 | ||
677 | count = dysymtab->nindirectsyms; | |
678 | size = count * sizeof (asymbol) + 1; | |
679 | ||
680 | for (j = 0; j < count; j++) | |
681 | { | |
682 | unsigned int isym = dysymtab->indirect_syms[j]; | |
683 | ||
684 | if (isym < symtab->nsyms && symtab->symbols[isym].symbol.name) | |
685 | size += strlen (symtab->symbols[isym].symbol.name) + sizeof ("$stub"); | |
686 | } | |
687 | ||
688 | s = *ret = (asymbol *) bfd_malloc (size); | |
689 | if (s == NULL) | |
690 | return -1; | |
691 | names = (char *) (s + count); | |
692 | nul_name = names; | |
693 | *names++ = 0; | |
694 | ||
695 | n = 0; | |
696 | for (i = 0; i < mdata->nsects; i++) | |
697 | { | |
698 | bfd_mach_o_section *sec = mdata->sections[i]; | |
91d6fa6a | 699 | unsigned int first, last; |
b2b62060 TG |
700 | bfd_vma addr; |
701 | bfd_vma entry_size; | |
702 | ||
703 | switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK) | |
704 | { | |
705 | case BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS: | |
706 | case BFD_MACH_O_S_LAZY_SYMBOL_POINTERS: | |
707 | case BFD_MACH_O_S_SYMBOL_STUBS: | |
708 | first = sec->reserved1; | |
709 | last = first + bfd_mach_o_section_get_nbr_indirect (abfd, sec); | |
710 | addr = sec->addr; | |
711 | entry_size = bfd_mach_o_section_get_entry_size (abfd, sec); | |
712 | for (j = first; j < last; j++) | |
713 | { | |
714 | unsigned int isym = dysymtab->indirect_syms[j]; | |
715 | ||
716 | s->flags = BSF_GLOBAL | BSF_SYNTHETIC; | |
717 | s->section = sec->bfdsection; | |
718 | s->value = addr - sec->addr; | |
719 | s->udata.p = NULL; | |
720 | ||
721 | if (isym < symtab->nsyms | |
722 | && symtab->symbols[isym].symbol.name) | |
723 | { | |
724 | const char *sym = symtab->symbols[isym].symbol.name; | |
725 | size_t len; | |
726 | ||
727 | s->name = names; | |
728 | len = strlen (sym); | |
729 | memcpy (names, sym, len); | |
730 | names += len; | |
731 | memcpy (names, "$stub", sizeof ("$stub")); | |
732 | names += sizeof ("$stub"); | |
733 | } | |
734 | else | |
735 | s->name = nul_name; | |
736 | ||
737 | addr += entry_size; | |
738 | s++; | |
739 | n++; | |
740 | } | |
741 | break; | |
742 | default: | |
743 | break; | |
744 | } | |
745 | } | |
746 | ||
747 | return n; | |
748 | } | |
749 | ||
154a1ee5 | 750 | void |
116c20d2 NC |
751 | bfd_mach_o_get_symbol_info (bfd *abfd ATTRIBUTE_UNUSED, |
752 | asymbol *symbol, | |
753 | symbol_info *ret) | |
3af9a47b NC |
754 | { |
755 | bfd_symbol_info (symbol, ret); | |
756 | } | |
757 | ||
154a1ee5 | 758 | void |
116c20d2 | 759 | bfd_mach_o_print_symbol (bfd *abfd, |
91d6fa6a | 760 | void * afile, |
116c20d2 NC |
761 | asymbol *symbol, |
762 | bfd_print_symbol_type how) | |
3af9a47b NC |
763 | { |
764 | FILE *file = (FILE *) afile; | |
15e1c58a | 765 | const char *name; |
92bc0e80 | 766 | bfd_mach_o_asymbol *asym = (bfd_mach_o_asymbol *)symbol; |
3af9a47b NC |
767 | |
768 | switch (how) | |
769 | { | |
770 | case bfd_print_symbol_name: | |
771 | fprintf (file, "%s", symbol->name); | |
772 | break; | |
773 | default: | |
91d6fa6a | 774 | bfd_print_symbol_vandf (abfd, (void *) file, symbol); |
92bc0e80 TG |
775 | if (asym->n_type & BFD_MACH_O_N_STAB) |
776 | name = bfd_get_stab_name (asym->n_type); | |
15e1c58a | 777 | else |
92bc0e80 | 778 | switch (asym->n_type & BFD_MACH_O_N_TYPE) |
15e1c58a TG |
779 | { |
780 | case BFD_MACH_O_N_UNDF: | |
e0ce1005 TG |
781 | if (symbol->value == 0) |
782 | name = "UND"; | |
783 | else | |
784 | name = "COM"; | |
15e1c58a TG |
785 | break; |
786 | case BFD_MACH_O_N_ABS: | |
787 | name = "ABS"; | |
788 | break; | |
789 | case BFD_MACH_O_N_INDR: | |
790 | name = "INDR"; | |
791 | break; | |
792 | case BFD_MACH_O_N_PBUD: | |
793 | name = "PBUD"; | |
794 | break; | |
795 | case BFD_MACH_O_N_SECT: | |
796 | name = "SECT"; | |
797 | break; | |
798 | default: | |
799 | name = "???"; | |
800 | break; | |
801 | } | |
802 | if (name == NULL) | |
803 | name = ""; | |
92bc0e80 TG |
804 | fprintf (file, " %02x %-6s %02x %04x", |
805 | asym->n_type, name, asym->n_sect, asym->n_desc); | |
806 | if ((asym->n_type & BFD_MACH_O_N_STAB) == 0 | |
807 | && (asym->n_type & BFD_MACH_O_N_TYPE) == BFD_MACH_O_N_SECT) | |
e0ce1005 | 808 | fprintf (file, " [%s]", symbol->section->name); |
15e1c58a | 809 | fprintf (file, " %s", symbol->name); |
3af9a47b NC |
810 | } |
811 | } | |
812 | ||
813 | static void | |
116c20d2 NC |
814 | bfd_mach_o_convert_architecture (bfd_mach_o_cpu_type mtype, |
815 | bfd_mach_o_cpu_subtype msubtype ATTRIBUTE_UNUSED, | |
816 | enum bfd_architecture *type, | |
817 | unsigned long *subtype) | |
3af9a47b NC |
818 | { |
819 | *subtype = bfd_arch_unknown; | |
820 | ||
821 | switch (mtype) | |
822 | { | |
823 | case BFD_MACH_O_CPU_TYPE_VAX: *type = bfd_arch_vax; break; | |
824 | case BFD_MACH_O_CPU_TYPE_MC680x0: *type = bfd_arch_m68k; break; | |
1e8a024a TG |
825 | case BFD_MACH_O_CPU_TYPE_I386: |
826 | *type = bfd_arch_i386; | |
827 | *subtype = bfd_mach_i386_i386; | |
828 | break; | |
829 | case BFD_MACH_O_CPU_TYPE_X86_64: | |
830 | *type = bfd_arch_i386; | |
831 | *subtype = bfd_mach_x86_64; | |
832 | break; | |
3af9a47b NC |
833 | case BFD_MACH_O_CPU_TYPE_MIPS: *type = bfd_arch_mips; break; |
834 | case BFD_MACH_O_CPU_TYPE_MC98000: *type = bfd_arch_m98k; break; | |
835 | case BFD_MACH_O_CPU_TYPE_HPPA: *type = bfd_arch_hppa; break; | |
836 | case BFD_MACH_O_CPU_TYPE_ARM: *type = bfd_arch_arm; break; | |
837 | case BFD_MACH_O_CPU_TYPE_MC88000: *type = bfd_arch_m88k; break; | |
1e8a024a TG |
838 | case BFD_MACH_O_CPU_TYPE_SPARC: |
839 | *type = bfd_arch_sparc; | |
840 | *subtype = bfd_mach_sparc; | |
841 | break; | |
3af9a47b NC |
842 | case BFD_MACH_O_CPU_TYPE_I860: *type = bfd_arch_i860; break; |
843 | case BFD_MACH_O_CPU_TYPE_ALPHA: *type = bfd_arch_alpha; break; | |
1e8a024a TG |
844 | case BFD_MACH_O_CPU_TYPE_POWERPC: |
845 | *type = bfd_arch_powerpc; | |
c2f09c75 | 846 | *subtype = bfd_mach_ppc; |
1e8a024a TG |
847 | break; |
848 | case BFD_MACH_O_CPU_TYPE_POWERPC_64: | |
849 | *type = bfd_arch_powerpc; | |
c2f09c75 | 850 | *subtype = bfd_mach_ppc64; |
1e8a024a | 851 | break; |
3af9a47b | 852 | default: |
1e8a024a TG |
853 | *type = bfd_arch_unknown; |
854 | break; | |
3af9a47b NC |
855 | } |
856 | } | |
a95a4550 | 857 | |
154a1ee5 | 858 | static bfd_boolean |
116c20d2 NC |
859 | bfd_mach_o_write_header (bfd *abfd, bfd_mach_o_header *header) |
860 | { | |
46d1c23b | 861 | struct mach_o_header_external raw; |
1e8a024a TG |
862 | unsigned int size; |
863 | ||
c2f09c75 | 864 | size = mach_o_wide_p (header) ? |
154a1ee5 | 865 | BFD_MACH_O_HEADER_64_SIZE : BFD_MACH_O_HEADER_SIZE; |
116c20d2 | 866 | |
46d1c23b TG |
867 | bfd_h_put_32 (abfd, header->magic, raw.magic); |
868 | bfd_h_put_32 (abfd, header->cputype, raw.cputype); | |
869 | bfd_h_put_32 (abfd, header->cpusubtype, raw.cpusubtype); | |
870 | bfd_h_put_32 (abfd, header->filetype, raw.filetype); | |
871 | bfd_h_put_32 (abfd, header->ncmds, raw.ncmds); | |
872 | bfd_h_put_32 (abfd, header->sizeofcmds, raw.sizeofcmds); | |
873 | bfd_h_put_32 (abfd, header->flags, raw.flags); | |
116c20d2 | 874 | |
c2f09c75 | 875 | if (mach_o_wide_p (header)) |
46d1c23b | 876 | bfd_h_put_32 (abfd, header->reserved, raw.reserved); |
1e8a024a | 877 | |
c2f09c75 | 878 | if (bfd_seek (abfd, 0, SEEK_SET) != 0 |
46d1c23b | 879 | || bfd_bwrite (&raw, size, abfd) != size) |
154a1ee5 | 880 | return FALSE; |
116c20d2 | 881 | |
154a1ee5 | 882 | return TRUE; |
116c20d2 NC |
883 | } |
884 | ||
885 | static int | |
ab273af8 | 886 | bfd_mach_o_write_thread (bfd *abfd, bfd_mach_o_load_command *command) |
116c20d2 NC |
887 | { |
888 | bfd_mach_o_thread_command *cmd = &command->command.thread; | |
889 | unsigned int i; | |
46d1c23b | 890 | struct mach_o_thread_command_external raw; |
92bc0e80 | 891 | unsigned int offset; |
116c20d2 NC |
892 | |
893 | BFD_ASSERT ((command->type == BFD_MACH_O_LC_THREAD) | |
894 | || (command->type == BFD_MACH_O_LC_UNIXTHREAD)); | |
895 | ||
896 | offset = 8; | |
116c20d2 NC |
897 | for (i = 0; i < cmd->nflavours; i++) |
898 | { | |
899 | BFD_ASSERT ((cmd->flavours[i].size % 4) == 0); | |
46d1c23b TG |
900 | BFD_ASSERT (cmd->flavours[i].offset == |
901 | (command->offset + offset + BFD_MACH_O_LC_SIZE)); | |
116c20d2 | 902 | |
46d1c23b TG |
903 | bfd_h_put_32 (abfd, cmd->flavours[i].flavour, raw.flavour); |
904 | bfd_h_put_32 (abfd, (cmd->flavours[i].size / 4), raw.count); | |
116c20d2 | 905 | |
c2f09c75 | 906 | if (bfd_seek (abfd, command->offset + offset, SEEK_SET) != 0 |
46d1c23b | 907 | || bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw)) |
116c20d2 NC |
908 | return -1; |
909 | ||
46d1c23b | 910 | offset += cmd->flavours[i].size + sizeof (raw); |
116c20d2 NC |
911 | } |
912 | ||
913 | return 0; | |
914 | } | |
915 | ||
92bc0e80 TG |
916 | long |
917 | bfd_mach_o_get_reloc_upper_bound (bfd *abfd ATTRIBUTE_UNUSED, | |
918 | asection *asect) | |
919 | { | |
920 | return (asect->reloc_count + 1) * sizeof (arelent *); | |
921 | } | |
922 | ||
b32e07d7 | 923 | static int |
46d1c23b TG |
924 | bfd_mach_o_canonicalize_one_reloc (bfd *abfd, |
925 | struct mach_o_reloc_info_external *raw, | |
b32e07d7 | 926 | arelent *res, asymbol **syms) |
92bc0e80 | 927 | { |
046b007d | 928 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
92bc0e80 | 929 | bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd); |
b32e07d7 TG |
930 | bfd_mach_o_reloc_info reloc; |
931 | bfd_vma addr; | |
932 | bfd_vma symnum; | |
933 | asymbol **sym; | |
934 | ||
46d1c23b TG |
935 | addr = bfd_get_32 (abfd, raw->r_address); |
936 | symnum = bfd_get_32 (abfd, raw->r_symbolnum); | |
b32e07d7 TG |
937 | |
938 | if (addr & BFD_MACH_O_SR_SCATTERED) | |
939 | { | |
940 | unsigned int j; | |
941 | ||
942 | /* Scattered relocation. | |
943 | Extract section and offset from r_value. */ | |
944 | res->sym_ptr_ptr = NULL; | |
945 | res->addend = 0; | |
946 | for (j = 0; j < mdata->nsects; j++) | |
947 | { | |
948 | bfd_mach_o_section *sect = mdata->sections[j]; | |
949 | if (symnum >= sect->addr && symnum < sect->addr + sect->size) | |
950 | { | |
951 | res->sym_ptr_ptr = sect->bfdsection->symbol_ptr_ptr; | |
952 | res->addend = symnum - sect->addr; | |
953 | break; | |
954 | } | |
955 | } | |
956 | res->address = BFD_MACH_O_GET_SR_ADDRESS (addr); | |
957 | reloc.r_type = BFD_MACH_O_GET_SR_TYPE (addr); | |
958 | reloc.r_length = BFD_MACH_O_GET_SR_LENGTH (addr); | |
959 | reloc.r_pcrel = addr & BFD_MACH_O_SR_PCREL; | |
960 | reloc.r_scattered = 1; | |
961 | } | |
962 | else | |
963 | { | |
964 | unsigned int num = BFD_MACH_O_GET_R_SYMBOLNUM (symnum); | |
965 | res->addend = 0; | |
966 | res->address = addr; | |
967 | if (symnum & BFD_MACH_O_R_EXTERN) | |
06988dfc TG |
968 | { |
969 | sym = syms + num; | |
970 | reloc.r_extern = 1; | |
971 | } | |
b32e07d7 TG |
972 | else |
973 | { | |
974 | BFD_ASSERT (num != 0); | |
975 | BFD_ASSERT (num <= mdata->nsects); | |
976 | sym = mdata->sections[num - 1]->bfdsection->symbol_ptr_ptr; | |
1523fa24 TG |
977 | /* For a symbol defined in section S, the addend (stored in the |
978 | binary) contains the address of the section. To comply with | |
979 | bfd conventio, substract the section address. | |
980 | Use the address from the header, so that the user can modify | |
981 | the vma of the section. */ | |
982 | res->addend = -mdata->sections[num - 1]->addr; | |
06988dfc | 983 | reloc.r_extern = 0; |
b32e07d7 TG |
984 | } |
985 | res->sym_ptr_ptr = sym; | |
986 | reloc.r_type = BFD_MACH_O_GET_R_TYPE (symnum); | |
987 | reloc.r_length = BFD_MACH_O_GET_R_LENGTH (symnum); | |
988 | reloc.r_pcrel = (symnum & BFD_MACH_O_R_PCREL) ? 1 : 0; | |
989 | reloc.r_scattered = 0; | |
990 | } | |
991 | ||
992 | if (!(*bed->_bfd_mach_o_swap_reloc_in)(res, &reloc)) | |
993 | return -1; | |
994 | return 0; | |
995 | } | |
996 | ||
997 | static int | |
998 | bfd_mach_o_canonicalize_relocs (bfd *abfd, unsigned long filepos, | |
999 | unsigned long count, | |
1000 | arelent *res, asymbol **syms) | |
1001 | { | |
92bc0e80 | 1002 | unsigned long i; |
46d1c23b | 1003 | struct mach_o_reloc_info_external *native_relocs; |
92bc0e80 TG |
1004 | bfd_size_type native_size; |
1005 | ||
92bc0e80 | 1006 | /* Allocate and read relocs. */ |
b32e07d7 | 1007 | native_size = count * BFD_MACH_O_RELENT_SIZE; |
46d1c23b TG |
1008 | native_relocs = |
1009 | (struct mach_o_reloc_info_external *) bfd_malloc (native_size); | |
92bc0e80 TG |
1010 | if (native_relocs == NULL) |
1011 | return -1; | |
1012 | ||
b32e07d7 | 1013 | if (bfd_seek (abfd, filepos, SEEK_SET) != 0 |
92bc0e80 | 1014 | || bfd_bread (native_relocs, native_size, abfd) != native_size) |
b32e07d7 TG |
1015 | goto err; |
1016 | ||
1017 | for (i = 0; i < count; i++) | |
92bc0e80 | 1018 | { |
46d1c23b TG |
1019 | if (bfd_mach_o_canonicalize_one_reloc (abfd, &native_relocs[i], |
1020 | &res[i], syms) < 0) | |
b32e07d7 | 1021 | goto err; |
92bc0e80 | 1022 | } |
b32e07d7 TG |
1023 | free (native_relocs); |
1024 | return i; | |
1025 | err: | |
1026 | free (native_relocs); | |
1027 | return -1; | |
1028 | } | |
1029 | ||
1030 | long | |
1031 | bfd_mach_o_canonicalize_reloc (bfd *abfd, asection *asect, | |
1032 | arelent **rels, asymbol **syms) | |
1033 | { | |
1034 | bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd); | |
1035 | unsigned long i; | |
1036 | arelent *res; | |
1037 | ||
1038 | if (asect->reloc_count == 0) | |
1039 | return 0; | |
1040 | ||
1041 | /* No need to go further if we don't know how to read relocs. */ | |
1042 | if (bed->_bfd_mach_o_swap_reloc_in == NULL) | |
1043 | return 0; | |
92bc0e80 | 1044 | |
dff55db0 | 1045 | if (asect->relocation == NULL) |
92bc0e80 | 1046 | { |
dff55db0 TG |
1047 | res = bfd_malloc (asect->reloc_count * sizeof (arelent)); |
1048 | if (res == NULL) | |
1049 | return -1; | |
1050 | ||
1051 | if (bfd_mach_o_canonicalize_relocs (abfd, asect->rel_filepos, | |
1052 | asect->reloc_count, res, syms) < 0) | |
1053 | { | |
1054 | free (res); | |
1055 | return -1; | |
1056 | } | |
1057 | asect->relocation = res; | |
92bc0e80 TG |
1058 | } |
1059 | ||
dff55db0 | 1060 | res = asect->relocation; |
92bc0e80 | 1061 | for (i = 0; i < asect->reloc_count; i++) |
b32e07d7 TG |
1062 | rels[i] = &res[i]; |
1063 | rels[i] = NULL; | |
92bc0e80 | 1064 | |
b32e07d7 TG |
1065 | return i; |
1066 | } | |
92bc0e80 | 1067 | |
b32e07d7 TG |
1068 | long |
1069 | bfd_mach_o_get_dynamic_reloc_upper_bound (bfd *abfd) | |
1070 | { | |
1071 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
92bc0e80 | 1072 | |
b32e07d7 TG |
1073 | if (mdata->dysymtab == NULL) |
1074 | return 1; | |
dff55db0 | 1075 | return (mdata->dysymtab->nextrel + mdata->dysymtab->nlocrel + 1) |
b32e07d7 TG |
1076 | * sizeof (arelent *); |
1077 | } | |
92bc0e80 | 1078 | |
b32e07d7 TG |
1079 | long |
1080 | bfd_mach_o_canonicalize_dynamic_reloc (bfd *abfd, arelent **rels, | |
1081 | struct bfd_symbol **syms) | |
1082 | { | |
1083 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
1084 | bfd_mach_o_dysymtab_command *dysymtab = mdata->dysymtab; | |
1085 | bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd); | |
1086 | unsigned long i; | |
1087 | arelent *res; | |
1088 | ||
1089 | if (dysymtab == NULL) | |
1090 | return 0; | |
1091 | if (dysymtab->nextrel == 0 && dysymtab->nlocrel == 0) | |
1092 | return 0; | |
1093 | ||
1094 | /* No need to go further if we don't know how to read relocs. */ | |
1095 | if (bed->_bfd_mach_o_swap_reloc_in == NULL) | |
1096 | return 0; | |
1097 | ||
dff55db0 | 1098 | if (mdata->dyn_reloc_cache == NULL) |
b32e07d7 | 1099 | { |
dff55db0 TG |
1100 | res = bfd_malloc ((dysymtab->nextrel + dysymtab->nlocrel) |
1101 | * sizeof (arelent)); | |
1102 | if (res == NULL) | |
1103 | return -1; | |
b32e07d7 | 1104 | |
dff55db0 TG |
1105 | if (bfd_mach_o_canonicalize_relocs (abfd, dysymtab->extreloff, |
1106 | dysymtab->nextrel, res, syms) < 0) | |
1107 | { | |
1108 | free (res); | |
1109 | return -1; | |
1110 | } | |
1111 | ||
1112 | if (bfd_mach_o_canonicalize_relocs (abfd, dysymtab->locreloff, | |
1113 | dysymtab->nlocrel, | |
1114 | res + dysymtab->nextrel, syms) < 0) | |
1115 | { | |
1116 | free (res); | |
1117 | return -1; | |
1118 | } | |
1119 | ||
1120 | mdata->dyn_reloc_cache = res; | |
b32e07d7 TG |
1121 | } |
1122 | ||
dff55db0 | 1123 | res = mdata->dyn_reloc_cache; |
b32e07d7 TG |
1124 | for (i = 0; i < dysymtab->nextrel + dysymtab->nlocrel; i++) |
1125 | rels[i] = &res[i]; | |
1126 | rels[i] = NULL; | |
92bc0e80 TG |
1127 | return i; |
1128 | } | |
1129 | ||
1130 | static bfd_boolean | |
ab273af8 | 1131 | bfd_mach_o_write_relocs (bfd *abfd, bfd_mach_o_section *section) |
92bc0e80 | 1132 | { |
046b007d | 1133 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
92bc0e80 TG |
1134 | unsigned int i; |
1135 | arelent **entries; | |
1136 | asection *sec; | |
1137 | bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd); | |
1138 | ||
1139 | sec = section->bfdsection; | |
1140 | if (sec->reloc_count == 0) | |
1141 | return TRUE; | |
1142 | ||
1143 | if (bed->_bfd_mach_o_swap_reloc_out == NULL) | |
1144 | return TRUE; | |
1145 | ||
1146 | /* Allocate relocation room. */ | |
1147 | mdata->filelen = FILE_ALIGN(mdata->filelen, 2); | |
1148 | section->nreloc = sec->reloc_count; | |
1149 | sec->rel_filepos = mdata->filelen; | |
1150 | section->reloff = sec->rel_filepos; | |
1151 | mdata->filelen += sec->reloc_count * BFD_MACH_O_RELENT_SIZE; | |
1152 | ||
1153 | if (bfd_seek (abfd, section->reloff, SEEK_SET) != 0) | |
1154 | return FALSE; | |
1155 | ||
1156 | /* Convert and write. */ | |
1157 | entries = section->bfdsection->orelocation; | |
1158 | for (i = 0; i < section->nreloc; i++) | |
1159 | { | |
1160 | arelent *rel = entries[i]; | |
46d1c23b | 1161 | struct mach_o_reloc_info_external raw; |
92bc0e80 TG |
1162 | bfd_mach_o_reloc_info info, *pinfo = &info; |
1163 | ||
1164 | /* Convert relocation to an intermediate representation. */ | |
1165 | if (!(*bed->_bfd_mach_o_swap_reloc_out) (rel, pinfo)) | |
1166 | return FALSE; | |
1167 | ||
1168 | /* Lower the relocation info. */ | |
1169 | if (pinfo->r_scattered) | |
1170 | { | |
1171 | unsigned long v; | |
1172 | ||
1173 | v = BFD_MACH_O_SR_SCATTERED | |
1174 | | (pinfo->r_pcrel ? BFD_MACH_O_SR_PCREL : 0) | |
1175 | | BFD_MACH_O_SET_SR_LENGTH(pinfo->r_length) | |
1176 | | BFD_MACH_O_SET_SR_TYPE(pinfo->r_type) | |
1177 | | BFD_MACH_O_SET_SR_ADDRESS(pinfo->r_address); | |
46d1c23b TG |
1178 | /* Note: scattered relocs have field in reverse order... */ |
1179 | bfd_put_32 (abfd, v, raw.r_address); | |
1180 | bfd_put_32 (abfd, pinfo->r_value, raw.r_symbolnum); | |
92bc0e80 TG |
1181 | } |
1182 | else | |
1183 | { | |
1184 | unsigned long v; | |
1185 | ||
46d1c23b | 1186 | bfd_put_32 (abfd, pinfo->r_address, raw.r_address); |
92bc0e80 TG |
1187 | v = BFD_MACH_O_SET_R_SYMBOLNUM (pinfo->r_value) |
1188 | | (pinfo->r_pcrel ? BFD_MACH_O_R_PCREL : 0) | |
1189 | | BFD_MACH_O_SET_R_LENGTH (pinfo->r_length) | |
1190 | | (pinfo->r_extern ? BFD_MACH_O_R_EXTERN : 0) | |
1191 | | BFD_MACH_O_SET_R_TYPE (pinfo->r_type); | |
46d1c23b | 1192 | bfd_put_32 (abfd, v, raw.r_symbolnum); |
92bc0e80 TG |
1193 | } |
1194 | ||
46d1c23b | 1195 | if (bfd_bwrite (&raw, BFD_MACH_O_RELENT_SIZE, abfd) |
92bc0e80 TG |
1196 | != BFD_MACH_O_RELENT_SIZE) |
1197 | return FALSE; | |
1198 | } | |
1199 | return TRUE; | |
1200 | } | |
1201 | ||
116c20d2 | 1202 | static int |
ab273af8 | 1203 | bfd_mach_o_write_section_32 (bfd *abfd, bfd_mach_o_section *section) |
116c20d2 | 1204 | { |
46d1c23b TG |
1205 | struct mach_o_section_32_external raw; |
1206 | ||
1207 | memcpy (raw.sectname, section->sectname, 16); | |
72b5104c | 1208 | memcpy (raw.segname, section->segname, 16); |
46d1c23b TG |
1209 | bfd_h_put_32 (abfd, section->addr, raw.addr); |
1210 | bfd_h_put_32 (abfd, section->size, raw.size); | |
1211 | bfd_h_put_32 (abfd, section->offset, raw.offset); | |
1212 | bfd_h_put_32 (abfd, section->align, raw.align); | |
1213 | bfd_h_put_32 (abfd, section->reloff, raw.reloff); | |
1214 | bfd_h_put_32 (abfd, section->nreloc, raw.nreloc); | |
1215 | bfd_h_put_32 (abfd, section->flags, raw.flags); | |
1216 | bfd_h_put_32 (abfd, section->reserved1, raw.reserved1); | |
1217 | bfd_h_put_32 (abfd, section->reserved2, raw.reserved2); | |
1218 | ||
1219 | if (bfd_bwrite (&raw, BFD_MACH_O_SECTION_SIZE, abfd) | |
92bc0e80 | 1220 | != BFD_MACH_O_SECTION_SIZE) |
116c20d2 NC |
1221 | return -1; |
1222 | ||
1223 | return 0; | |
1224 | } | |
1225 | ||
1226 | static int | |
ab273af8 | 1227 | bfd_mach_o_write_section_64 (bfd *abfd, bfd_mach_o_section *section) |
116c20d2 | 1228 | { |
46d1c23b TG |
1229 | struct mach_o_section_64_external raw; |
1230 | ||
1231 | memcpy (raw.sectname, section->sectname, 16); | |
1232 | memcpy (raw.segname, section->segname, 16); | |
1233 | bfd_h_put_64 (abfd, section->addr, raw.addr); | |
1234 | bfd_h_put_64 (abfd, section->size, raw.size); | |
1235 | bfd_h_put_32 (abfd, section->offset, raw.offset); | |
1236 | bfd_h_put_32 (abfd, section->align, raw.align); | |
1237 | bfd_h_put_32 (abfd, section->reloff, raw.reloff); | |
1238 | bfd_h_put_32 (abfd, section->nreloc, raw.nreloc); | |
1239 | bfd_h_put_32 (abfd, section->flags, raw.flags); | |
1240 | bfd_h_put_32 (abfd, section->reserved1, raw.reserved1); | |
1241 | bfd_h_put_32 (abfd, section->reserved2, raw.reserved2); | |
1242 | bfd_h_put_32 (abfd, section->reserved3, raw.reserved3); | |
1243 | ||
1244 | if (bfd_bwrite (&raw, BFD_MACH_O_SECTION_64_SIZE, abfd) | |
92bc0e80 | 1245 | != BFD_MACH_O_SECTION_64_SIZE) |
116c20d2 NC |
1246 | return -1; |
1247 | ||
1e8a024a TG |
1248 | return 0; |
1249 | } | |
1250 | ||
1251 | static int | |
ab273af8 | 1252 | bfd_mach_o_write_segment_32 (bfd *abfd, bfd_mach_o_load_command *command) |
1e8a024a | 1253 | { |
46d1c23b | 1254 | struct mach_o_segment_command_32_external raw; |
1e8a024a | 1255 | bfd_mach_o_segment_command *seg = &command->command.segment; |
f1bde64c | 1256 | bfd_mach_o_section *sec; |
1e8a024a | 1257 | |
c2f09c75 TG |
1258 | BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT); |
1259 | ||
f1bde64c TG |
1260 | for (sec = seg->sect_head; sec != NULL; sec = sec->next) |
1261 | if (!bfd_mach_o_write_relocs (abfd, sec)) | |
92bc0e80 | 1262 | return -1; |
c2f09c75 | 1263 | |
46d1c23b TG |
1264 | memcpy (raw.segname, seg->segname, 16); |
1265 | bfd_h_put_32 (abfd, seg->vmaddr, raw.vmaddr); | |
1266 | bfd_h_put_32 (abfd, seg->vmsize, raw.vmsize); | |
1267 | bfd_h_put_32 (abfd, seg->fileoff, raw.fileoff); | |
1268 | bfd_h_put_32 (abfd, seg->filesize, raw.filesize); | |
1269 | bfd_h_put_32 (abfd, seg->maxprot, raw.maxprot); | |
1270 | bfd_h_put_32 (abfd, seg->initprot, raw.initprot); | |
1271 | bfd_h_put_32 (abfd, seg->nsects, raw.nsects); | |
1272 | bfd_h_put_32 (abfd, seg->flags, raw.flags); | |
c2f09c75 | 1273 | |
46d1c23b TG |
1274 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 |
1275 | || bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
c2f09c75 | 1276 | return -1; |
1e8a024a | 1277 | |
f1bde64c TG |
1278 | for (sec = seg->sect_head; sec != NULL; sec = sec->next) |
1279 | if (bfd_mach_o_write_section_32 (abfd, sec)) | |
92bc0e80 | 1280 | return -1; |
1e8a024a | 1281 | |
116c20d2 NC |
1282 | return 0; |
1283 | } | |
1284 | ||
1e8a024a | 1285 | static int |
ab273af8 | 1286 | bfd_mach_o_write_segment_64 (bfd *abfd, bfd_mach_o_load_command *command) |
1e8a024a | 1287 | { |
46d1c23b | 1288 | struct mach_o_segment_command_64_external raw; |
c2f09c75 | 1289 | bfd_mach_o_segment_command *seg = &command->command.segment; |
f1bde64c | 1290 | bfd_mach_o_section *sec; |
c2f09c75 TG |
1291 | |
1292 | BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT_64); | |
1293 | ||
f1bde64c TG |
1294 | for (sec = seg->sect_head; sec != NULL; sec = sec->next) |
1295 | if (!bfd_mach_o_write_relocs (abfd, sec)) | |
92bc0e80 | 1296 | return -1; |
c2f09c75 | 1297 | |
46d1c23b TG |
1298 | memcpy (raw.segname, seg->segname, 16); |
1299 | bfd_h_put_64 (abfd, seg->vmaddr, raw.vmaddr); | |
1300 | bfd_h_put_64 (abfd, seg->vmsize, raw.vmsize); | |
1301 | bfd_h_put_64 (abfd, seg->fileoff, raw.fileoff); | |
1302 | bfd_h_put_64 (abfd, seg->filesize, raw.filesize); | |
1303 | bfd_h_put_32 (abfd, seg->maxprot, raw.maxprot); | |
1304 | bfd_h_put_32 (abfd, seg->initprot, raw.initprot); | |
1305 | bfd_h_put_32 (abfd, seg->nsects, raw.nsects); | |
1306 | bfd_h_put_32 (abfd, seg->flags, raw.flags); | |
1307 | ||
1308 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 | |
1309 | || bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
c2f09c75 TG |
1310 | return -1; |
1311 | ||
f1bde64c TG |
1312 | for (sec = seg->sect_head; sec != NULL; sec = sec->next) |
1313 | if (bfd_mach_o_write_section_64 (abfd, sec)) | |
92bc0e80 | 1314 | return -1; |
c2f09c75 | 1315 | |
c2f09c75 | 1316 | return 0; |
1e8a024a TG |
1317 | } |
1318 | ||
c2f09c75 | 1319 | static bfd_boolean |
ab273af8 | 1320 | bfd_mach_o_write_symtab (bfd *abfd, bfd_mach_o_load_command *command) |
116c20d2 | 1321 | { |
046b007d | 1322 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
116c20d2 | 1323 | bfd_mach_o_symtab_command *sym = &command->command.symtab; |
116c20d2 | 1324 | unsigned long i; |
c2f09c75 | 1325 | unsigned int wide = bfd_mach_o_wide_p (abfd); |
046b007d | 1326 | unsigned int symlen = wide ? BFD_MACH_O_NLIST_64_SIZE : BFD_MACH_O_NLIST_SIZE; |
c2f09c75 TG |
1327 | struct bfd_strtab_hash *strtab; |
1328 | asymbol **symbols = bfd_get_outsymbols (abfd); | |
1329 | ||
1330 | BFD_ASSERT (command->type == BFD_MACH_O_LC_SYMTAB); | |
1331 | ||
1332 | /* Write the symbols first. */ | |
92bc0e80 TG |
1333 | mdata->filelen = FILE_ALIGN(mdata->filelen, wide ? 3 : 2); |
1334 | sym->symoff = mdata->filelen; | |
c2f09c75 TG |
1335 | if (bfd_seek (abfd, sym->symoff, SEEK_SET) != 0) |
1336 | return FALSE; | |
1337 | ||
1338 | sym->nsyms = bfd_get_symcount (abfd); | |
92bc0e80 | 1339 | mdata->filelen += sym->nsyms * symlen; |
c2f09c75 TG |
1340 | |
1341 | strtab = _bfd_stringtab_init (); | |
1342 | if (strtab == NULL) | |
1343 | return FALSE; | |
116c20d2 | 1344 | |
a4551119 TG |
1345 | if (sym->nsyms > 0) |
1346 | /* Although we don't strictly need to do this, for compatibility with | |
1347 | Darwin system tools, actually output an empty string for the index | |
1348 | 0 entry. */ | |
1349 | _bfd_stringtab_add (strtab, "", TRUE, FALSE); | |
1350 | ||
116c20d2 NC |
1351 | for (i = 0; i < sym->nsyms; i++) |
1352 | { | |
91d6fa6a | 1353 | bfd_size_type str_index; |
92bc0e80 | 1354 | bfd_mach_o_asymbol *s = (bfd_mach_o_asymbol *)symbols[i]; |
c2f09c75 | 1355 | |
7f307238 IS |
1356 | /* For a bare indirect symbol, the system tools expect that the symbol |
1357 | value will be the string table offset for its referenced counterpart. | |
1358 | ||
1359 | Normally, indirect syms will not be written this way, but rather as | |
1360 | part of the dysymtab command. | |
1361 | ||
1362 | In either case, correct operation depends on the symbol table being | |
1363 | sorted such that the indirect symbols are at the end (since the | |
1364 | string table index is filled in below). */ | |
1365 | ||
1366 | if (IS_MACHO_INDIRECT (s->n_type)) | |
1367 | /* A pointer to the referenced symbol will be stored in the udata | |
1368 | field. Use that to find the string index. */ | |
1369 | s->symbol.value = | |
1370 | ((bfd_mach_o_asymbol *)s->symbol.udata.p)->symbol.udata.i; | |
1371 | ||
92bc0e80 | 1372 | if (s->symbol.name == 0 || s->symbol.name[0] == '\0') |
7f307238 | 1373 | /* An index of 0 always means the empty string. */ |
91d6fa6a | 1374 | str_index = 0; |
c2f09c75 TG |
1375 | else |
1376 | { | |
91d6fa6a | 1377 | str_index = _bfd_stringtab_add (strtab, s->symbol.name, TRUE, FALSE); |
7f307238 IS |
1378 | /* Record the string index. This can be looked up by an indirect sym |
1379 | which retains a pointer to its referenced counterpart, until it is | |
1380 | actually output. */ | |
1381 | if (IS_MACHO_INDIRECT (s->n_type)) | |
1382 | s->symbol.udata.i = str_index; | |
1383 | ||
91d6fa6a | 1384 | if (str_index == (bfd_size_type) -1) |
c2f09c75 TG |
1385 | goto err; |
1386 | } | |
46d1c23b | 1387 | |
c2f09c75 | 1388 | if (wide) |
46d1c23b TG |
1389 | { |
1390 | struct mach_o_nlist_64_external raw; | |
1391 | ||
1392 | bfd_h_put_32 (abfd, str_index, raw.n_strx); | |
1393 | bfd_h_put_8 (abfd, s->n_type, raw.n_type); | |
1394 | bfd_h_put_8 (abfd, s->n_sect, raw.n_sect); | |
1395 | bfd_h_put_16 (abfd, s->n_desc, raw.n_desc); | |
1396 | bfd_h_put_64 (abfd, s->symbol.section->vma + s->symbol.value, | |
1397 | raw.n_value); | |
1398 | ||
1399 | if (bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
1400 | goto err; | |
1401 | } | |
c2f09c75 | 1402 | else |
46d1c23b TG |
1403 | { |
1404 | struct mach_o_nlist_external raw; | |
116c20d2 | 1405 | |
46d1c23b TG |
1406 | bfd_h_put_32 (abfd, str_index, raw.n_strx); |
1407 | bfd_h_put_8 (abfd, s->n_type, raw.n_type); | |
1408 | bfd_h_put_8 (abfd, s->n_sect, raw.n_sect); | |
1409 | bfd_h_put_16 (abfd, s->n_desc, raw.n_desc); | |
1410 | bfd_h_put_32 (abfd, s->symbol.section->vma + s->symbol.value, | |
1411 | raw.n_value); | |
1412 | ||
1413 | if (bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
1414 | goto err; | |
1415 | } | |
116c20d2 | 1416 | } |
c2f09c75 | 1417 | sym->strsize = _bfd_stringtab_size (strtab); |
92bc0e80 TG |
1418 | sym->stroff = mdata->filelen; |
1419 | mdata->filelen += sym->strsize; | |
116c20d2 | 1420 | |
c2f09c75 TG |
1421 | if (_bfd_stringtab_emit (abfd, strtab) != TRUE) |
1422 | goto err; | |
1423 | _bfd_stringtab_free (strtab); | |
116c20d2 | 1424 | |
c2f09c75 | 1425 | /* The command. */ |
46d1c23b TG |
1426 | { |
1427 | struct mach_o_symtab_command_external raw; | |
116c20d2 | 1428 | |
46d1c23b TG |
1429 | bfd_h_put_32 (abfd, sym->symoff, raw.symoff); |
1430 | bfd_h_put_32 (abfd, sym->nsyms, raw.nsyms); | |
1431 | bfd_h_put_32 (abfd, sym->stroff, raw.stroff); | |
1432 | bfd_h_put_32 (abfd, sym->strsize, raw.strsize); | |
1433 | ||
1434 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 | |
1435 | || bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
1436 | return FALSE; | |
1437 | } | |
116c20d2 | 1438 | |
c2f09c75 | 1439 | return TRUE; |
116c20d2 | 1440 | |
c2f09c75 TG |
1441 | err: |
1442 | _bfd_stringtab_free (strtab); | |
1443 | return FALSE; | |
116c20d2 NC |
1444 | } |
1445 | ||
7f307238 IS |
1446 | /* Write a dysymtab command. |
1447 | TODO: Possibly coalesce writes of smaller objects. */ | |
1448 | ||
1449 | static bfd_boolean | |
1450 | bfd_mach_o_write_dysymtab (bfd *abfd, bfd_mach_o_load_command *command) | |
1451 | { | |
1452 | bfd_mach_o_dysymtab_command *cmd = &command->command.dysymtab; | |
1453 | ||
1454 | BFD_ASSERT (command->type == BFD_MACH_O_LC_DYSYMTAB); | |
1455 | ||
1456 | if (cmd->nmodtab != 0) | |
1457 | { | |
1458 | unsigned int i; | |
1459 | ||
1460 | if (bfd_seek (abfd, cmd->modtaboff, SEEK_SET) != 0) | |
1461 | return FALSE; | |
1462 | ||
1463 | for (i = 0; i < cmd->nmodtab; i++) | |
1464 | { | |
1465 | bfd_mach_o_dylib_module *module = &cmd->dylib_module[i]; | |
1466 | unsigned int iinit; | |
1467 | unsigned int ninit; | |
1468 | ||
1469 | iinit = module->iinit & 0xffff; | |
1470 | iinit |= ((module->iterm & 0xffff) << 16); | |
1471 | ||
1472 | ninit = module->ninit & 0xffff; | |
1473 | ninit |= ((module->nterm & 0xffff) << 16); | |
1474 | ||
1475 | if (bfd_mach_o_wide_p (abfd)) | |
1476 | { | |
1477 | struct mach_o_dylib_module_64_external w; | |
1478 | ||
1479 | bfd_h_put_32 (abfd, module->module_name_idx, &w.module_name); | |
1480 | bfd_h_put_32 (abfd, module->iextdefsym, &w.iextdefsym); | |
1481 | bfd_h_put_32 (abfd, module->nextdefsym, &w.nextdefsym); | |
1482 | bfd_h_put_32 (abfd, module->irefsym, &w.irefsym); | |
1483 | bfd_h_put_32 (abfd, module->nrefsym, &w.nrefsym); | |
1484 | bfd_h_put_32 (abfd, module->ilocalsym, &w.ilocalsym); | |
1485 | bfd_h_put_32 (abfd, module->nlocalsym, &w.nlocalsym); | |
1486 | bfd_h_put_32 (abfd, module->iextrel, &w.iextrel); | |
1487 | bfd_h_put_32 (abfd, module->nextrel, &w.nextrel); | |
1488 | bfd_h_put_32 (abfd, iinit, &w.iinit_iterm); | |
1489 | bfd_h_put_32 (abfd, ninit, &w.ninit_nterm); | |
1490 | bfd_h_put_64 (abfd, module->objc_module_info_addr, | |
1491 | &w.objc_module_info_addr); | |
1492 | bfd_h_put_32 (abfd, module->objc_module_info_size, | |
1493 | &w.objc_module_info_size); | |
1494 | ||
1495 | if (bfd_bwrite ((void *) &w, sizeof (w), abfd) != sizeof (w)) | |
1496 | return FALSE; | |
1497 | } | |
1498 | else | |
1499 | { | |
1500 | struct mach_o_dylib_module_external n; | |
1501 | ||
1502 | bfd_h_put_32 (abfd, module->module_name_idx, &n.module_name); | |
1503 | bfd_h_put_32 (abfd, module->iextdefsym, &n.iextdefsym); | |
1504 | bfd_h_put_32 (abfd, module->nextdefsym, &n.nextdefsym); | |
1505 | bfd_h_put_32 (abfd, module->irefsym, &n.irefsym); | |
1506 | bfd_h_put_32 (abfd, module->nrefsym, &n.nrefsym); | |
1507 | bfd_h_put_32 (abfd, module->ilocalsym, &n.ilocalsym); | |
1508 | bfd_h_put_32 (abfd, module->nlocalsym, &n.nlocalsym); | |
1509 | bfd_h_put_32 (abfd, module->iextrel, &n.iextrel); | |
1510 | bfd_h_put_32 (abfd, module->nextrel, &n.nextrel); | |
1511 | bfd_h_put_32 (abfd, iinit, &n.iinit_iterm); | |
1512 | bfd_h_put_32 (abfd, ninit, &n.ninit_nterm); | |
1513 | bfd_h_put_32 (abfd, module->objc_module_info_addr, | |
1514 | &n.objc_module_info_addr); | |
1515 | bfd_h_put_32 (abfd, module->objc_module_info_size, | |
1516 | &n.objc_module_info_size); | |
1517 | ||
1518 | if (bfd_bwrite ((void *) &n, sizeof (n), abfd) != sizeof (n)) | |
1519 | return FALSE; | |
1520 | } | |
1521 | } | |
1522 | } | |
1523 | ||
1524 | if (cmd->ntoc != 0) | |
1525 | { | |
1526 | unsigned int i; | |
1527 | ||
1528 | if (bfd_seek (abfd, cmd->tocoff, SEEK_SET) != 0) | |
1529 | return FALSE; | |
1530 | ||
1531 | for (i = 0; i < cmd->ntoc; i++) | |
1532 | { | |
1533 | struct mach_o_dylib_table_of_contents_external raw; | |
1534 | bfd_mach_o_dylib_table_of_content *toc = &cmd->dylib_toc[i]; | |
1535 | ||
1536 | bfd_h_put_32 (abfd, toc->symbol_index, &raw.symbol_index); | |
1537 | bfd_h_put_32 (abfd, toc->module_index, &raw.module_index); | |
1538 | ||
1539 | if (bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
1540 | return FALSE; | |
1541 | } | |
1542 | } | |
1543 | ||
1544 | if (cmd->nindirectsyms > 0) | |
1545 | { | |
1546 | unsigned int i; | |
1547 | ||
1548 | if (bfd_seek (abfd, cmd->indirectsymoff, SEEK_SET) != 0) | |
1549 | return FALSE; | |
1550 | ||
1551 | for (i = 0; i < cmd->nindirectsyms; ++i) | |
1552 | { | |
1553 | unsigned char raw[4]; | |
1554 | ||
1555 | bfd_h_put_32 (abfd, cmd->indirect_syms[i], &raw); | |
1556 | if (bfd_bwrite (raw, sizeof (raw), abfd) != sizeof (raw)) | |
1557 | return FALSE; | |
1558 | } | |
1559 | } | |
1560 | ||
1561 | if (cmd->nextrefsyms != 0) | |
1562 | { | |
1563 | unsigned int i; | |
1564 | ||
1565 | if (bfd_seek (abfd, cmd->extrefsymoff, SEEK_SET) != 0) | |
1566 | return FALSE; | |
1567 | ||
1568 | for (i = 0; i < cmd->nextrefsyms; i++) | |
1569 | { | |
1570 | unsigned long v; | |
1571 | unsigned char raw[4]; | |
1572 | bfd_mach_o_dylib_reference *ref = &cmd->ext_refs[i]; | |
1573 | ||
1574 | /* Fields isym and flags are written as bit-fields, thus we need | |
1575 | a specific processing for endianness. */ | |
1576 | ||
1577 | if (bfd_big_endian (abfd)) | |
1578 | { | |
1579 | v = ((ref->isym & 0xffffff) << 8); | |
1580 | v |= ref->flags & 0xff; | |
1581 | } | |
1582 | else | |
1583 | { | |
1584 | v = ref->isym & 0xffffff; | |
1585 | v |= ((ref->flags & 0xff) << 24); | |
1586 | } | |
1587 | ||
1588 | bfd_h_put_32 (abfd, v, raw); | |
1589 | if (bfd_bwrite (raw, sizeof (raw), abfd) != sizeof (raw)) | |
1590 | return FALSE; | |
1591 | } | |
1592 | } | |
1593 | ||
1594 | /* The command. */ | |
1595 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0) | |
1596 | return FALSE; | |
1597 | else | |
1598 | { | |
1599 | struct mach_o_dysymtab_command_external raw; | |
1600 | ||
1601 | bfd_h_put_32 (abfd, cmd->ilocalsym, &raw.ilocalsym); | |
1602 | bfd_h_put_32 (abfd, cmd->nlocalsym, &raw.nlocalsym); | |
1603 | bfd_h_put_32 (abfd, cmd->iextdefsym, &raw.iextdefsym); | |
1604 | bfd_h_put_32 (abfd, cmd->nextdefsym, &raw.nextdefsym); | |
1605 | bfd_h_put_32 (abfd, cmd->iundefsym, &raw.iundefsym); | |
1606 | bfd_h_put_32 (abfd, cmd->nundefsym, &raw.nundefsym); | |
1607 | bfd_h_put_32 (abfd, cmd->tocoff, &raw.tocoff); | |
1608 | bfd_h_put_32 (abfd, cmd->ntoc, &raw.ntoc); | |
1609 | bfd_h_put_32 (abfd, cmd->modtaboff, &raw.modtaboff); | |
1610 | bfd_h_put_32 (abfd, cmd->nmodtab, &raw.nmodtab); | |
1611 | bfd_h_put_32 (abfd, cmd->extrefsymoff, &raw.extrefsymoff); | |
1612 | bfd_h_put_32 (abfd, cmd->nextrefsyms, &raw.nextrefsyms); | |
1613 | bfd_h_put_32 (abfd, cmd->indirectsymoff, &raw.indirectsymoff); | |
1614 | bfd_h_put_32 (abfd, cmd->nindirectsyms, &raw.nindirectsyms); | |
1615 | bfd_h_put_32 (abfd, cmd->extreloff, &raw.extreloff); | |
1616 | bfd_h_put_32 (abfd, cmd->nextrel, &raw.nextrel); | |
1617 | bfd_h_put_32 (abfd, cmd->locreloff, &raw.locreloff); | |
1618 | bfd_h_put_32 (abfd, cmd->nlocrel, &raw.nlocrel); | |
1619 | ||
1620 | if (bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
1621 | return FALSE; | |
1622 | } | |
1623 | ||
1624 | return TRUE; | |
1625 | } | |
1626 | ||
1627 | static unsigned | |
1628 | bfd_mach_o_primary_symbol_sort_key (unsigned type, unsigned ext) | |
1629 | { | |
1630 | /* TODO: Determine the correct ordering of stabs symbols. */ | |
1631 | /* We make indirect symbols a local/synthetic. */ | |
1632 | if (type == BFD_MACH_O_N_INDR) | |
1633 | return 3; | |
1634 | ||
1635 | /* Local (we should never see an undefined local AFAICT). */ | |
1636 | if (! ext) | |
1637 | return 0; | |
1638 | ||
1639 | /* Common symbols look like undefined externs. */ | |
1640 | if (type == BFD_MACH_O_N_UNDF) | |
1641 | return 2; | |
1642 | ||
1643 | /* A defined symbol that's not indirect or extern. */ | |
1644 | return 1; | |
1645 | } | |
1646 | ||
1647 | static int | |
1648 | bfd_mach_o_cf_symbols (const void *a, const void *b) | |
1649 | { | |
1650 | bfd_mach_o_asymbol *sa = *(bfd_mach_o_asymbol **) a; | |
1651 | bfd_mach_o_asymbol *sb = *(bfd_mach_o_asymbol **) b; | |
1652 | unsigned int soa, sob; | |
1653 | ||
1654 | soa = bfd_mach_o_primary_symbol_sort_key | |
1655 | (sa->n_type & BFD_MACH_O_N_TYPE, | |
1656 | sa->n_type & (BFD_MACH_O_N_PEXT | BFD_MACH_O_N_EXT)); | |
1657 | sob = bfd_mach_o_primary_symbol_sort_key | |
1658 | (sb->n_type & BFD_MACH_O_N_TYPE, | |
1659 | sb->n_type & (BFD_MACH_O_N_PEXT | BFD_MACH_O_N_EXT)); | |
1660 | if (soa < sob) | |
1661 | return -1; | |
1662 | ||
1663 | if (soa > sob) | |
1664 | return 1; | |
1665 | ||
1666 | /* If it's local, just preserve the input order. */ | |
1667 | if (soa == 0) | |
1668 | { | |
1669 | if (sa->symbol.udata.i < sb->symbol.udata.i) | |
1670 | return -1; | |
1671 | if (sa->symbol.udata.i > sb->symbol.udata.i) | |
1672 | return 1; | |
1673 | return 0; | |
1674 | } | |
1675 | ||
1676 | /* Unless it's an indirect the second sort key is name. */ | |
1677 | if (soa < 3) | |
1678 | return strcmp (sa->symbol.name, sb->symbol.name); | |
1679 | ||
1680 | /* Here be indirect symbols, which have different sort rules. */ | |
1681 | ||
1682 | /* Next sort key for indirect, is the section index. */ | |
1683 | if (sa->n_sect < sb->n_sect) | |
1684 | return -1; | |
1685 | ||
1686 | if (sa->n_sect > sb->n_sect) | |
1687 | return 1; | |
1688 | ||
1689 | /* Last sort key is the order of definition - which should be in line with | |
1690 | the value, since a stub size of 0 is meaninglesss. */ | |
1691 | ||
1692 | if (sa->symbol.value < sb->symbol.value) | |
1693 | return -1; | |
1694 | ||
1695 | if (sa->symbol.value > sb->symbol.value) | |
1696 | return 1; | |
1697 | ||
1698 | /* In the final analysis, this is probably an error ... but leave it alone | |
1699 | for now. */ | |
1700 | return 0; | |
1701 | } | |
1702 | ||
1703 | /* When this is finished, return the number of non-indirect symbols. */ | |
1704 | ||
1705 | static unsigned int | |
1706 | bfd_mach_o_sort_symbol_table (asymbol **symbols, unsigned int nin) | |
1707 | { | |
1708 | qsort (symbols, (size_t) nin, sizeof (void *), bfd_mach_o_cf_symbols); | |
1709 | ||
1710 | /* Find the last non-indirect symbol. | |
1711 | There must be at least one non-indirect symbol otherwise there's | |
1712 | nothing for the indirect(s) to refer to. */ | |
1713 | do | |
1714 | { | |
1715 | bfd_mach_o_asymbol *s = (bfd_mach_o_asymbol *)symbols[nin - 1]; | |
1716 | if (IS_MACHO_INDIRECT (s->n_type)) | |
1717 | nin--; | |
1718 | else | |
1719 | break; | |
1720 | } while (nin - 1 > 0); | |
1721 | return nin; | |
1722 | } | |
1723 | ||
1724 | /* Process the symbols. | |
1725 | ||
1726 | This should be OK for single-module files - but it is not likely to work | |
1727 | for multi-module shared libraries. | |
1728 | ||
1729 | (a) If the application has not filled in the relevant mach-o fields, make | |
1730 | an estimate. | |
1731 | ||
1732 | (b) Order them, like this: | |
1733 | ( i) local. | |
1734 | (unsorted) | |
1735 | ( ii) external defined | |
1736 | (by name) | |
1737 | (iii) external undefined | |
1738 | (by name) | |
1739 | ( iv) common | |
1740 | (by name) | |
1741 | ( v) indirect | |
1742 | (by section) | |
1743 | (by position within section). | |
1744 | ||
1745 | (c) Indirect symbols are moved to the end of the list. */ | |
92bc0e80 TG |
1746 | |
1747 | static bfd_boolean | |
7f307238 | 1748 | bfd_mach_o_mangle_symbols (bfd *abfd, bfd_mach_o_data_struct *mdata) |
92bc0e80 TG |
1749 | { |
1750 | unsigned long i; | |
1751 | asymbol **symbols = bfd_get_outsymbols (abfd); | |
1752 | ||
7f307238 IS |
1753 | if (symbols == NULL || bfd_get_symcount (abfd) == 0) |
1754 | return TRUE; | |
1755 | ||
92bc0e80 TG |
1756 | for (i = 0; i < bfd_get_symcount (abfd); i++) |
1757 | { | |
1758 | bfd_mach_o_asymbol *s = (bfd_mach_o_asymbol *)symbols[i]; | |
1759 | ||
1760 | if (s->n_type == BFD_MACH_O_N_UNDF && !(s->symbol.flags & BSF_DEBUGGING)) | |
1761 | { | |
1762 | /* As genuine Mach-O symbols type shouldn't be N_UNDF (undefined | |
1763 | symbols should be N_UNDEF | N_EXT), we suppose the back-end | |
1764 | values haven't been set. */ | |
1765 | if (s->symbol.section == bfd_abs_section_ptr) | |
1766 | s->n_type = BFD_MACH_O_N_ABS; | |
1767 | else if (s->symbol.section == bfd_und_section_ptr) | |
1768 | { | |
1769 | s->n_type = BFD_MACH_O_N_UNDF; | |
1770 | if (s->symbol.flags & BSF_WEAK) | |
1771 | s->n_desc |= BFD_MACH_O_N_WEAK_REF; | |
7f307238 IS |
1772 | /* mach-o automatically makes undefined symbols extern. */ |
1773 | s->n_type |= BFD_MACH_O_N_EXT; | |
92bc0e80 TG |
1774 | } |
1775 | else if (s->symbol.section == bfd_com_section_ptr) | |
1776 | s->n_type = BFD_MACH_O_N_UNDF | BFD_MACH_O_N_EXT; | |
1777 | else | |
1778 | s->n_type = BFD_MACH_O_N_SECT; | |
1779 | ||
1780 | if (s->symbol.flags & BSF_GLOBAL) | |
1781 | s->n_type |= BFD_MACH_O_N_EXT; | |
1782 | } | |
1783 | ||
7f307238 | 1784 | /* Put the section index in, where required. */ |
92bc0e80 TG |
1785 | if (s->symbol.section != bfd_abs_section_ptr |
1786 | && s->symbol.section != bfd_und_section_ptr | |
1787 | && s->symbol.section != bfd_com_section_ptr) | |
1788 | s->n_sect = s->symbol.section->target_index; | |
1789 | ||
7f307238 IS |
1790 | /* Unless we're looking at an indirect sym, note the input ordering. |
1791 | We use this to keep local symbols ordered as per the input. */ | |
1792 | if (IS_MACHO_INDIRECT (s->n_type)) | |
1793 | s->symbol.udata.i = i; | |
1794 | } | |
1795 | ||
1796 | /* Sort the symbols and determine how many will remain in the main symbol | |
1797 | table, and how many will be emitted as indirect (assuming that we will | |
1798 | be emitting a dysymtab). Renumber the sorted symbols so that the right | |
1799 | index will be found during indirection. */ | |
1800 | i = bfd_mach_o_sort_symbol_table (symbols, bfd_get_symcount (abfd)); | |
1801 | if (bfd_mach_o_should_emit_dysymtab ()) | |
1802 | { | |
1803 | /* Point at the first indirect symbol. */ | |
1804 | if (i < bfd_get_symcount (abfd)) | |
1805 | { | |
1806 | mdata->indirect_syms = &symbols[i]; | |
1807 | mdata->nindirect = bfd_get_symcount (abfd) - i; | |
1808 | /* This is, essentially, local to the output section of mach-o, | |
1809 | and therefore should be safe. */ | |
1810 | abfd->symcount = i; | |
1811 | } | |
1812 | ||
1813 | /* Now setup the counts for each type of symbol. */ | |
1814 | for (i = 0; i < bfd_get_symcount (abfd); ++i) | |
1815 | { | |
1816 | bfd_mach_o_asymbol *s = (bfd_mach_o_asymbol *)symbols[i]; | |
1817 | s->symbol.udata.i = i; /* renumber. */ | |
1818 | if (s->n_type & (BFD_MACH_O_N_EXT | BFD_MACH_O_N_PEXT)) | |
1819 | break; | |
1820 | } | |
1821 | mdata->nlocal = i; | |
1822 | for (; i < bfd_get_symcount (abfd); ++i) | |
1823 | { | |
1824 | bfd_mach_o_asymbol *s = (bfd_mach_o_asymbol *)symbols[i]; | |
1825 | s->symbol.udata.i = i; /* renumber. */ | |
1826 | if ((s->n_type & BFD_MACH_O_N_TYPE) == BFD_MACH_O_N_UNDF) | |
1827 | break; | |
1828 | } | |
1829 | mdata->ndefext = i - mdata->nlocal; | |
1830 | mdata->nundefext = bfd_get_symcount (abfd) | |
1831 | - mdata->ndefext | |
1832 | - mdata->nlocal; | |
1833 | for (; i < bfd_get_symcount (abfd); ++i) | |
1834 | { | |
1835 | bfd_mach_o_asymbol *s = (bfd_mach_o_asymbol *)symbols[i]; | |
1836 | s->symbol.udata.i = i; /* renumber. */ | |
1837 | } | |
1838 | } | |
1839 | ||
1840 | return TRUE; | |
1841 | } | |
1842 | ||
1843 | /* We build a flat table of sections, which can be re-ordered if necessary. | |
1844 | Fill in the section number and other mach-o-specific data. */ | |
1845 | ||
1846 | static bfd_boolean | |
1847 | bfd_mach_o_mangle_sections (bfd *abfd, bfd_mach_o_data_struct *mdata) | |
1848 | { | |
1849 | asection *sec; | |
1850 | unsigned target_index; | |
1851 | unsigned nsect; | |
1852 | ||
1853 | nsect = bfd_count_sections (abfd); | |
1854 | ||
1855 | /* Don't do it if it's already set - assume the application knows what it's | |
1856 | doing. */ | |
1857 | if (mdata->nsects == nsect | |
1858 | && (mdata->nsects == 0 || mdata->sections != NULL)) | |
1859 | return TRUE; | |
1860 | ||
1861 | mdata->nsects = nsect; | |
1862 | mdata->sections = bfd_alloc (abfd, | |
1863 | mdata->nsects * sizeof (bfd_mach_o_section *)); | |
1864 | if (mdata->sections == NULL) | |
1865 | return FALSE; | |
1866 | ||
1867 | /* We need to check that this can be done... */ | |
1868 | if (nsect > 255) | |
1869 | (*_bfd_error_handler) (_("mach-o: there are too many sections (%d)" | |
1870 | " maximum is 255,\n"), nsect); | |
1871 | ||
1872 | /* Create Mach-O sections. | |
1873 | Section type, attribute and align should have been set when the | |
1874 | section was created - either read in or specified. */ | |
1875 | target_index = 0; | |
1876 | for (sec = abfd->sections; sec; sec = sec->next) | |
1877 | { | |
1878 | unsigned bfd_align = bfd_get_section_alignment (abfd, sec); | |
1879 | bfd_mach_o_section *msect = bfd_mach_o_get_mach_o_section (sec); | |
1880 | ||
1881 | mdata->sections[target_index] = msect; | |
1882 | ||
1883 | msect->addr = bfd_get_section_vma (abfd, sec); | |
1884 | msect->size = bfd_get_section_size (sec); | |
1885 | ||
1886 | /* Use the largest alignment set, in case it was bumped after the | |
1887 | section was created. */ | |
1888 | msect->align = msect->align > bfd_align ? msect->align : bfd_align; | |
1889 | ||
1890 | msect->offset = 0; | |
1891 | sec->target_index = ++target_index; | |
92bc0e80 | 1892 | } |
7f307238 | 1893 | |
92bc0e80 TG |
1894 | return TRUE; |
1895 | } | |
1896 | ||
154a1ee5 | 1897 | bfd_boolean |
116c20d2 | 1898 | bfd_mach_o_write_contents (bfd *abfd) |
3af9a47b NC |
1899 | { |
1900 | unsigned int i; | |
046b007d | 1901 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
3af9a47b | 1902 | |
7f307238 | 1903 | /* Make the commands, if not already present. */ |
92bc0e80 TG |
1904 | if (mdata->header.ncmds == 0) |
1905 | if (!bfd_mach_o_build_commands (abfd)) | |
1906 | return FALSE; | |
1907 | ||
154a1ee5 | 1908 | if (!bfd_mach_o_write_header (abfd, &mdata->header)) |
b34976b6 | 1909 | return FALSE; |
3af9a47b NC |
1910 | |
1911 | for (i = 0; i < mdata->header.ncmds; i++) | |
1912 | { | |
46d1c23b | 1913 | struct mach_o_load_command_external raw; |
3af9a47b NC |
1914 | bfd_mach_o_load_command *cur = &mdata->commands[i]; |
1915 | unsigned long typeflag; | |
1916 | ||
154a1ee5 | 1917 | typeflag = cur->type | (cur->type_required ? BFD_MACH_O_LC_REQ_DYLD : 0); |
3af9a47b | 1918 | |
46d1c23b TG |
1919 | bfd_h_put_32 (abfd, typeflag, raw.cmd); |
1920 | bfd_h_put_32 (abfd, cur->len, raw.cmdsize); | |
3af9a47b | 1921 | |
c2f09c75 | 1922 | if (bfd_seek (abfd, cur->offset, SEEK_SET) != 0 |
46d1c23b | 1923 | || bfd_bwrite (&raw, BFD_MACH_O_LC_SIZE, abfd) != 8) |
b34976b6 | 1924 | return FALSE; |
3af9a47b NC |
1925 | |
1926 | switch (cur->type) | |
1927 | { | |
1928 | case BFD_MACH_O_LC_SEGMENT: | |
ab273af8 | 1929 | if (bfd_mach_o_write_segment_32 (abfd, cur) != 0) |
1e8a024a TG |
1930 | return FALSE; |
1931 | break; | |
1932 | case BFD_MACH_O_LC_SEGMENT_64: | |
ab273af8 | 1933 | if (bfd_mach_o_write_segment_64 (abfd, cur) != 0) |
b34976b6 | 1934 | return FALSE; |
3af9a47b NC |
1935 | break; |
1936 | case BFD_MACH_O_LC_SYMTAB: | |
ab273af8 | 1937 | if (!bfd_mach_o_write_symtab (abfd, cur)) |
b34976b6 | 1938 | return FALSE; |
3af9a47b | 1939 | break; |
7f307238 IS |
1940 | case BFD_MACH_O_LC_DYSYMTAB: |
1941 | if (!bfd_mach_o_write_dysymtab (abfd, cur)) | |
1942 | return FALSE; | |
1943 | break; | |
3af9a47b NC |
1944 | case BFD_MACH_O_LC_SYMSEG: |
1945 | break; | |
1946 | case BFD_MACH_O_LC_THREAD: | |
1947 | case BFD_MACH_O_LC_UNIXTHREAD: | |
ab273af8 | 1948 | if (bfd_mach_o_write_thread (abfd, cur) != 0) |
b34976b6 | 1949 | return FALSE; |
3af9a47b NC |
1950 | break; |
1951 | case BFD_MACH_O_LC_LOADFVMLIB: | |
1952 | case BFD_MACH_O_LC_IDFVMLIB: | |
1953 | case BFD_MACH_O_LC_IDENT: | |
1954 | case BFD_MACH_O_LC_FVMFILE: | |
1955 | case BFD_MACH_O_LC_PREPAGE: | |
3af9a47b NC |
1956 | case BFD_MACH_O_LC_LOAD_DYLIB: |
1957 | case BFD_MACH_O_LC_LOAD_WEAK_DYLIB: | |
1958 | case BFD_MACH_O_LC_ID_DYLIB: | |
046b007d | 1959 | case BFD_MACH_O_LC_REEXPORT_DYLIB: |
73017762 | 1960 | case BFD_MACH_O_LC_LOAD_UPWARD_DYLIB: |
3af9a47b NC |
1961 | case BFD_MACH_O_LC_LOAD_DYLINKER: |
1962 | case BFD_MACH_O_LC_ID_DYLINKER: | |
1963 | case BFD_MACH_O_LC_PREBOUND_DYLIB: | |
1964 | case BFD_MACH_O_LC_ROUTINES: | |
1965 | case BFD_MACH_O_LC_SUB_FRAMEWORK: | |
1966 | break; | |
1967 | default: | |
4a97a0e5 AM |
1968 | (*_bfd_error_handler) (_("unable to write unknown load command 0x%lx"), |
1969 | (unsigned long) cur->type); | |
b34976b6 | 1970 | return FALSE; |
3af9a47b NC |
1971 | } |
1972 | } | |
1973 | ||
b34976b6 | 1974 | return TRUE; |
3af9a47b NC |
1975 | } |
1976 | ||
f1bde64c TG |
1977 | static void |
1978 | bfd_mach_o_append_section_to_segment (bfd_mach_o_segment_command *seg, | |
1979 | asection *sec) | |
1980 | { | |
1981 | bfd_mach_o_section *s = (bfd_mach_o_section *)sec->used_by_bfd; | |
1982 | if (seg->sect_head == NULL) | |
1983 | seg->sect_head = s; | |
1984 | else | |
1985 | seg->sect_tail->next = s; | |
1986 | seg->sect_tail = s; | |
1987 | } | |
1988 | ||
1989 | /* Create section Mach-O flags from BFD flags. */ | |
1990 | ||
1991 | static void | |
1992 | bfd_mach_o_set_section_flags_from_bfd (bfd *abfd ATTRIBUTE_UNUSED, asection *sec) | |
1993 | { | |
1994 | flagword bfd_flags; | |
1995 | bfd_mach_o_section *s = bfd_mach_o_get_mach_o_section (sec); | |
1996 | ||
1997 | /* Create default flags. */ | |
1998 | bfd_flags = bfd_get_section_flags (abfd, sec); | |
1999 | if ((bfd_flags & SEC_CODE) == SEC_CODE) | |
2000 | s->flags = BFD_MACH_O_S_ATTR_PURE_INSTRUCTIONS | |
2001 | | BFD_MACH_O_S_ATTR_SOME_INSTRUCTIONS | |
2002 | | BFD_MACH_O_S_REGULAR; | |
2003 | else if ((bfd_flags & (SEC_ALLOC | SEC_LOAD)) == SEC_ALLOC) | |
2004 | s->flags = BFD_MACH_O_S_ZEROFILL; | |
2005 | else if (bfd_flags & SEC_DEBUGGING) | |
2006 | s->flags = BFD_MACH_O_S_REGULAR | BFD_MACH_O_S_ATTR_DEBUG; | |
2007 | else | |
2008 | s->flags = BFD_MACH_O_S_REGULAR; | |
2009 | } | |
2010 | ||
7f307238 IS |
2011 | /* Count the number of sections in the list for the segment named. |
2012 | ||
2013 | The special case of NULL or "" for the segment name is valid for | |
2014 | an MH_OBJECT file and means 'all sections available'. | |
2015 | ||
2016 | Requires that the sections table in mdata be filled in. | |
2017 | ||
2018 | Returns the number of sections (0 is valid). | |
2019 | Any number > 255 signals an invalid section count, although we will, | |
2020 | perhaps, allow the file to be written (in line with Darwin tools up | |
2021 | to XCode 4). | |
2022 | ||
2023 | A section count of (unsigned long) -1 signals a definite error. */ | |
2024 | ||
2025 | static unsigned long | |
2026 | bfd_mach_o_count_sections_for_seg (const char *segment, | |
2027 | bfd_mach_o_data_struct *mdata) | |
2028 | { | |
2029 | unsigned i,j; | |
2030 | if (mdata == NULL || mdata->sections == NULL) | |
2031 | return (unsigned long) -1; | |
2032 | ||
2033 | /* The MH_OBJECT case, all sections are considered; Although nsects is | |
2034 | is an unsigned long, the maximum valid section count is 255 and this | |
2035 | will have been checked already by mangle_sections. */ | |
2036 | if (segment == NULL || segment[0] == '\0') | |
2037 | return mdata->nsects; | |
2038 | ||
2039 | /* Count the number of sections we see in this segment. */ | |
2040 | j = 0; | |
2041 | for (i = 0; i < mdata->nsects; ++i) | |
2042 | { | |
2043 | bfd_mach_o_section *s = mdata->sections[i]; | |
2044 | if (strncmp (segment, s->segname, BFD_MACH_O_SEGNAME_SIZE) == 0) | |
2045 | j++; | |
2046 | } | |
2047 | return j; | |
2048 | } | |
2049 | ||
2050 | static bfd_boolean | |
2051 | bfd_mach_o_build_seg_command (const char *segment, | |
2052 | bfd_mach_o_data_struct *mdata, | |
2053 | bfd_mach_o_segment_command *seg) | |
2054 | { | |
2055 | unsigned i; | |
2056 | int is_mho = (segment == NULL || segment[0] == '\0'); | |
2057 | ||
2058 | /* Fill segment command. */ | |
2059 | if (is_mho) | |
2060 | memset (seg->segname, 0, sizeof (seg->segname)); | |
2061 | else | |
2062 | strncpy (seg->segname, segment, sizeof (seg->segname)); | |
2063 | ||
2064 | /* TODO: fix this up for non-MH_OBJECT cases. */ | |
2065 | seg->vmaddr = 0; | |
2066 | ||
2067 | seg->fileoff = mdata->filelen; | |
2068 | seg->filesize = 0; | |
2069 | seg->maxprot = BFD_MACH_O_PROT_READ | BFD_MACH_O_PROT_WRITE | |
2070 | | BFD_MACH_O_PROT_EXECUTE; | |
2071 | seg->initprot = seg->maxprot; | |
2072 | seg->flags = 0; | |
2073 | seg->sect_head = NULL; | |
2074 | seg->sect_tail = NULL; | |
2075 | ||
2076 | /* Append sections to the segment. */ | |
2077 | ||
2078 | for (i = 0; i < mdata->nsects; ++i) | |
2079 | { | |
2080 | bfd_mach_o_section *s = mdata->sections[i]; | |
2081 | asection *sec = s->bfdsection; | |
2082 | ||
2083 | /* If we're not making an MH_OBJECT, check whether this section is from | |
2084 | our segment, and skip if not. Otherwise, just add all sections. */ | |
2085 | if (! is_mho | |
2086 | && strncmp (segment, s->segname, BFD_MACH_O_SEGNAME_SIZE) != 0) | |
2087 | continue; | |
2088 | ||
2089 | bfd_mach_o_append_section_to_segment (seg, sec); | |
2090 | ||
2091 | if (s->size == 0) | |
2092 | s->offset = 0; | |
2093 | else | |
2094 | { | |
2095 | mdata->filelen = FILE_ALIGN (mdata->filelen, s->align); | |
2096 | s->offset = mdata->filelen; | |
2097 | } | |
2098 | ||
2099 | sec->filepos = s->offset; | |
2100 | ||
2101 | mdata->filelen += s->size; | |
2102 | } | |
2103 | ||
2104 | seg->filesize = mdata->filelen - seg->fileoff; | |
2105 | seg->vmsize = seg->filesize; | |
2106 | ||
2107 | return TRUE; | |
2108 | } | |
2109 | ||
2110 | static bfd_boolean | |
2111 | bfd_mach_o_build_dysymtab_command (bfd *abfd, | |
2112 | bfd_mach_o_data_struct *mdata, | |
2113 | bfd_mach_o_load_command *cmd) | |
2114 | { | |
2115 | bfd_mach_o_dysymtab_command *dsym = &cmd->command.dysymtab; | |
2116 | ||
2117 | /* TODO: | |
2118 | We are not going to try and fill these in yet and, moreover, we are | |
2119 | going to bail if they are already set. */ | |
2120 | if (dsym->nmodtab != 0 | |
2121 | || dsym->ntoc != 0 | |
2122 | || dsym->nextrefsyms != 0) | |
2123 | { | |
2124 | (*_bfd_error_handler) (_("sorry: modtab, toc and extrefsyms are not yet" | |
2125 | " implemented for dysymtab commands.")); | |
2126 | return FALSE; | |
2127 | } | |
2128 | ||
2129 | dsym->ilocalsym = 0; | |
2130 | dsym->nlocalsym = mdata->nlocal; | |
2131 | dsym->iextdefsym = dsym->nlocalsym; | |
2132 | dsym->nextdefsym = mdata->ndefext; | |
2133 | dsym->iundefsym = dsym->nextdefsym + dsym->iextdefsym; | |
2134 | dsym->nundefsym = mdata->nundefext; | |
2135 | ||
2136 | if (mdata->nindirect > 0) | |
2137 | { | |
2138 | unsigned i, sect; | |
2139 | ||
2140 | mdata->filelen = FILE_ALIGN (mdata->filelen, 2); | |
2141 | dsym->indirectsymoff = mdata->filelen; | |
2142 | mdata->filelen += mdata->nindirect * 4; | |
2143 | ||
2144 | dsym->indirect_syms = bfd_zalloc (abfd, mdata->nindirect * 4); | |
2145 | if (dsym->indirect_syms == NULL) | |
2146 | return FALSE; | |
2147 | dsym->nindirectsyms = mdata->nindirect; | |
2148 | ||
2149 | /* So fill in the indices, and point the section reserved1 fields | |
2150 | at the right one. */ | |
2151 | sect = (unsigned) -1; | |
2152 | for (i = 0; i < mdata->nindirect; ++i) | |
2153 | { | |
2154 | bfd_mach_o_asymbol *s = | |
2155 | (bfd_mach_o_asymbol *) mdata->indirect_syms[i]; | |
2156 | /* Lookup the index of the referenced symbol. */ | |
2157 | dsym->indirect_syms[i] = | |
2158 | ((bfd_mach_o_asymbol *) s->symbol.udata.p)->symbol.udata.i; | |
2159 | if (s->n_sect != sect) | |
2160 | { | |
2161 | /* Mach-o sections are 1-based, but the section table | |
2162 | is 0-based. */ | |
2163 | bfd_mach_o_section *sc = mdata->sections[s->n_sect-1]; | |
2164 | sc->reserved1 = i; | |
2165 | sect = s->n_sect; | |
2166 | } | |
2167 | } | |
2168 | } | |
2169 | ||
2170 | return TRUE; | |
2171 | } | |
2172 | ||
2173 | /* Build Mach-O load commands (currently assuming an MH_OBJECT file). | |
2174 | TODO: Other file formats, rebuilding symtab/dysymtab commands for strip | |
2175 | and copy functionality. */ | |
154a1ee5 TG |
2176 | |
2177 | bfd_boolean | |
2178 | bfd_mach_o_build_commands (bfd *abfd) | |
2179 | { | |
046b007d | 2180 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
c2f09c75 | 2181 | unsigned int wide = mach_o_wide_p (&mdata->header); |
154a1ee5 | 2182 | bfd_mach_o_segment_command *seg; |
c2f09c75 TG |
2183 | bfd_mach_o_load_command *cmd; |
2184 | bfd_mach_o_load_command *symtab_cmd; | |
7f307238 | 2185 | unsigned symcind; |
154a1ee5 | 2186 | |
7f307238 | 2187 | /* Return now if commands are already present. */ |
154a1ee5 TG |
2188 | if (mdata->header.ncmds) |
2189 | return FALSE; | |
2190 | ||
7f307238 | 2191 | /* Fill in the file type, if not already set. */ |
154a1ee5 | 2192 | |
7f307238 | 2193 | if (mdata->header.filetype == 0) |
154a1ee5 | 2194 | { |
7f307238 IS |
2195 | if (abfd->flags & EXEC_P) |
2196 | mdata->header.filetype = BFD_MACH_O_MH_EXECUTE; | |
2197 | else if (abfd->flags & DYNAMIC) | |
2198 | mdata->header.filetype = BFD_MACH_O_MH_DYLIB; | |
2199 | else | |
2200 | mdata->header.filetype = BFD_MACH_O_MH_OBJECT; | |
154a1ee5 | 2201 | } |
7f307238 IS |
2202 | |
2203 | /* If hasn't already been done, flatten sections list, and sort | |
2204 | if/when required. Must be done before the symbol table is adjusted, | |
2205 | since that depends on properly numbered sections. */ | |
2206 | if (mdata->nsects == 0 || mdata->sections == NULL) | |
2207 | if (! bfd_mach_o_mangle_sections (abfd, mdata)) | |
2208 | return FALSE; | |
2209 | ||
2210 | /* Order the symbol table, fill-in/check mach-o specific fields and | |
2211 | partition out any indirect symbols. */ | |
2212 | if (!bfd_mach_o_mangle_symbols (abfd, mdata)) | |
2213 | return FALSE; | |
2214 | ||
2215 | /* It's valid to have a file with only absolute symbols... */ | |
2216 | if (mdata->nsects > 0) | |
154a1ee5 | 2217 | { |
7f307238 IS |
2218 | mdata->header.ncmds = 1; |
2219 | symcind = 1; | |
154a1ee5 | 2220 | } |
7f307238 IS |
2221 | else |
2222 | symcind = 0; | |
154a1ee5 | 2223 | |
7f307238 IS |
2224 | /* It's OK to have a file with only section statements. */ |
2225 | if (bfd_get_symcount (abfd) > 0) | |
2226 | mdata->header.ncmds += 1; | |
c2f09c75 | 2227 | |
7f307238 IS |
2228 | /* Very simple version (only really applicable to MH_OBJECTs): |
2229 | a command (segment) to contain all the sections, | |
2230 | a command for the symbol table | |
2231 | a n (optional) command for the dysymtab. | |
154a1ee5 | 2232 | |
7f307238 | 2233 | ??? maybe we should assert that this is an MH_OBJECT? */ |
c2f09c75 | 2234 | |
7f307238 IS |
2235 | if (bfd_mach_o_should_emit_dysymtab () |
2236 | && bfd_get_symcount (abfd) > 0) | |
2237 | mdata->header.ncmds += 1; | |
f1bde64c | 2238 | |
7f307238 IS |
2239 | /* A bit weird, but looks like no content; |
2240 | as -n empty.s -o empty.o */ | |
2241 | if (mdata->header.ncmds == 0) | |
2242 | return TRUE; | |
f1bde64c | 2243 | |
7f307238 IS |
2244 | mdata->commands = bfd_zalloc (abfd, mdata->header.ncmds |
2245 | * sizeof (bfd_mach_o_load_command)); | |
2246 | if (mdata->commands == NULL) | |
2247 | return FALSE; | |
2248 | ||
2249 | if (mdata->nsects > 0) | |
2250 | { | |
2251 | cmd = &mdata->commands[0]; | |
2252 | seg = &cmd->command.segment; | |
2253 | ||
2254 | /* Count the segctions in the special blank segment used for MH_OBJECT. */ | |
2255 | seg->nsects = bfd_mach_o_count_sections_for_seg (NULL, mdata); | |
2256 | if (seg->nsects == (unsigned long) -1) | |
2257 | return FALSE; | |
2258 | ||
2259 | /* Init segment command. */ | |
2260 | if (wide) | |
2261 | { | |
2262 | cmd->type = BFD_MACH_O_LC_SEGMENT_64; | |
2263 | cmd->offset = BFD_MACH_O_HEADER_64_SIZE; | |
2264 | cmd->len = BFD_MACH_O_LC_SEGMENT_64_SIZE | |
2265 | + BFD_MACH_O_SECTION_64_SIZE * seg->nsects; | |
2266 | } | |
92bc0e80 | 2267 | else |
7f307238 IS |
2268 | { |
2269 | cmd->type = BFD_MACH_O_LC_SEGMENT; | |
2270 | cmd->offset = BFD_MACH_O_HEADER_SIZE; | |
2271 | cmd->len = BFD_MACH_O_LC_SEGMENT_SIZE | |
2272 | + BFD_MACH_O_SECTION_SIZE * seg->nsects; | |
2273 | } | |
2274 | cmd->type_required = FALSE; | |
2275 | mdata->header.sizeofcmds = cmd->len; | |
2276 | mdata->filelen = cmd->offset + cmd->len; | |
2277 | } | |
f1bde64c | 2278 | |
7f307238 IS |
2279 | if (bfd_get_symcount (abfd) > 0) |
2280 | { | |
2281 | /* Init symtab command. */ | |
2282 | symtab_cmd = &mdata->commands[symcind]; | |
2283 | ||
2284 | symtab_cmd->type = BFD_MACH_O_LC_SYMTAB; | |
2285 | if (symcind > 0) | |
2286 | symtab_cmd->offset = mdata->commands[0].offset | |
2287 | + mdata->commands[0].len; | |
2288 | else | |
2289 | symtab_cmd->offset = 0; | |
2290 | symtab_cmd->len = 6 * 4; | |
2291 | symtab_cmd->type_required = FALSE; | |
2292 | ||
2293 | mdata->header.sizeofcmds += symtab_cmd->len; | |
2294 | mdata->filelen += symtab_cmd->len; | |
2295 | } | |
154a1ee5 | 2296 | |
7f307238 IS |
2297 | /* If required, setup symtab command. */ |
2298 | if (bfd_mach_o_should_emit_dysymtab () | |
2299 | && bfd_get_symcount (abfd) > 0) | |
2300 | { | |
2301 | cmd = &mdata->commands[symcind+1]; | |
2302 | cmd->type = BFD_MACH_O_LC_DYSYMTAB; | |
2303 | cmd->offset = symtab_cmd->offset + symtab_cmd->len; | |
2304 | cmd->type_required = FALSE; | |
2305 | cmd->len = 18 * 4 + BFD_MACH_O_LC_SIZE; | |
2306 | ||
2307 | mdata->header.sizeofcmds += cmd->len; | |
2308 | mdata->filelen += cmd->len; | |
154a1ee5 | 2309 | } |
154a1ee5 | 2310 | |
7f307238 IS |
2311 | /* So, now we have sized the commands and the filelen set to that. |
2312 | Now we can build the segment command and set the section file offsets. */ | |
2313 | if (mdata->nsects > 0 | |
2314 | && ! bfd_mach_o_build_seg_command (NULL, mdata, seg)) | |
2315 | return FALSE; | |
2316 | ||
2317 | /* If we're doing a dysymtab, cmd points to its load command. */ | |
2318 | if (bfd_mach_o_should_emit_dysymtab () | |
2319 | && bfd_get_symcount (abfd) > 0 | |
2320 | && ! bfd_mach_o_build_dysymtab_command (abfd, mdata, | |
2321 | &mdata->commands[symcind+1])) | |
2322 | return FALSE; | |
2323 | ||
2324 | /* The symtab command is filled in when the symtab is written. */ | |
154a1ee5 TG |
2325 | return TRUE; |
2326 | } | |
2327 | ||
2328 | /* Set the contents of a section. */ | |
2329 | ||
2330 | bfd_boolean | |
2331 | bfd_mach_o_set_section_contents (bfd *abfd, | |
2332 | asection *section, | |
2333 | const void * location, | |
2334 | file_ptr offset, | |
2335 | bfd_size_type count) | |
2336 | { | |
2337 | file_ptr pos; | |
2338 | ||
7f307238 IS |
2339 | /* Trying to write the first section contents will trigger the creation of |
2340 | the load commands if they are not already present. */ | |
154a1ee5 TG |
2341 | if (! abfd->output_has_begun && ! bfd_mach_o_build_commands (abfd)) |
2342 | return FALSE; | |
2343 | ||
2344 | if (count == 0) | |
2345 | return TRUE; | |
2346 | ||
2347 | pos = section->filepos + offset; | |
2348 | if (bfd_seek (abfd, pos, SEEK_SET) != 0 | |
2349 | || bfd_bwrite (location, count, abfd) != count) | |
2350 | return FALSE; | |
2351 | ||
2352 | return TRUE; | |
2353 | } | |
2354 | ||
2355 | int | |
116c20d2 | 2356 | bfd_mach_o_sizeof_headers (bfd *a ATTRIBUTE_UNUSED, |
a6b96beb | 2357 | struct bfd_link_info *info ATTRIBUTE_UNUSED) |
3af9a47b NC |
2358 | { |
2359 | return 0; | |
2360 | } | |
2361 | ||
2362 | /* Make an empty symbol. This is required only because | |
2363 | bfd_make_section_anyway wants to create a symbol for the section. */ | |
2364 | ||
154a1ee5 | 2365 | asymbol * |
116c20d2 | 2366 | bfd_mach_o_make_empty_symbol (bfd *abfd) |
3af9a47b | 2367 | { |
d3ce72d0 NC |
2368 | asymbol *new_symbol; |
2369 | ||
2370 | new_symbol = bfd_zalloc (abfd, sizeof (bfd_mach_o_asymbol)); | |
2371 | if (new_symbol == NULL) | |
2372 | return new_symbol; | |
2373 | new_symbol->the_bfd = abfd; | |
2374 | new_symbol->udata.i = 0; | |
2375 | return new_symbol; | |
3af9a47b NC |
2376 | } |
2377 | ||
154a1ee5 | 2378 | static bfd_boolean |
116c20d2 | 2379 | bfd_mach_o_read_header (bfd *abfd, bfd_mach_o_header *header) |
3af9a47b | 2380 | { |
46d1c23b | 2381 | struct mach_o_header_external raw; |
1e8a024a | 2382 | unsigned int size; |
edeb6e24 | 2383 | bfd_vma (*get32) (const void *) = NULL; |
3af9a47b | 2384 | |
1e8a024a | 2385 | /* Just read the magic number. */ |
c2f09c75 | 2386 | if (bfd_seek (abfd, 0, SEEK_SET) != 0 |
46d1c23b | 2387 | || bfd_bread (raw.magic, sizeof (raw.magic), abfd) != 4) |
154a1ee5 | 2388 | return FALSE; |
3af9a47b | 2389 | |
46d1c23b | 2390 | if (bfd_getb32 (raw.magic) == BFD_MACH_O_MH_MAGIC) |
3af9a47b NC |
2391 | { |
2392 | header->byteorder = BFD_ENDIAN_BIG; | |
154a1ee5 | 2393 | header->magic = BFD_MACH_O_MH_MAGIC; |
1e8a024a | 2394 | header->version = 1; |
3af9a47b NC |
2395 | get32 = bfd_getb32; |
2396 | } | |
46d1c23b | 2397 | else if (bfd_getl32 (raw.magic) == BFD_MACH_O_MH_MAGIC) |
3af9a47b | 2398 | { |
a95a4550 | 2399 | header->byteorder = BFD_ENDIAN_LITTLE; |
154a1ee5 | 2400 | header->magic = BFD_MACH_O_MH_MAGIC; |
1e8a024a TG |
2401 | header->version = 1; |
2402 | get32 = bfd_getl32; | |
2403 | } | |
46d1c23b | 2404 | else if (bfd_getb32 (raw.magic) == BFD_MACH_O_MH_MAGIC_64) |
1e8a024a TG |
2405 | { |
2406 | header->byteorder = BFD_ENDIAN_BIG; | |
154a1ee5 | 2407 | header->magic = BFD_MACH_O_MH_MAGIC_64; |
1e8a024a TG |
2408 | header->version = 2; |
2409 | get32 = bfd_getb32; | |
2410 | } | |
46d1c23b | 2411 | else if (bfd_getl32 (raw.magic) == BFD_MACH_O_MH_MAGIC_64) |
1e8a024a TG |
2412 | { |
2413 | header->byteorder = BFD_ENDIAN_LITTLE; | |
154a1ee5 | 2414 | header->magic = BFD_MACH_O_MH_MAGIC_64; |
1e8a024a | 2415 | header->version = 2; |
3af9a47b NC |
2416 | get32 = bfd_getl32; |
2417 | } | |
2418 | else | |
2419 | { | |
2420 | header->byteorder = BFD_ENDIAN_UNKNOWN; | |
154a1ee5 | 2421 | return FALSE; |
3af9a47b | 2422 | } |
a95a4550 | 2423 | |
1e8a024a | 2424 | /* Once the size of the header is known, read the full header. */ |
c2f09c75 | 2425 | size = mach_o_wide_p (header) ? |
154a1ee5 | 2426 | BFD_MACH_O_HEADER_64_SIZE : BFD_MACH_O_HEADER_SIZE; |
1e8a024a | 2427 | |
c2f09c75 | 2428 | if (bfd_seek (abfd, 0, SEEK_SET) != 0 |
46d1c23b | 2429 | || bfd_bread (&raw, size, abfd) != size) |
154a1ee5 | 2430 | return FALSE; |
1e8a024a | 2431 | |
46d1c23b TG |
2432 | header->cputype = (*get32) (raw.cputype); |
2433 | header->cpusubtype = (*get32) (raw.cpusubtype); | |
2434 | header->filetype = (*get32) (raw.filetype); | |
2435 | header->ncmds = (*get32) (raw.ncmds); | |
2436 | header->sizeofcmds = (*get32) (raw.sizeofcmds); | |
2437 | header->flags = (*get32) (raw.flags); | |
3af9a47b | 2438 | |
c2f09c75 | 2439 | if (mach_o_wide_p (header)) |
46d1c23b | 2440 | header->reserved = (*get32) (raw.reserved); |
1e8a024a | 2441 | |
154a1ee5 | 2442 | return TRUE; |
3af9a47b NC |
2443 | } |
2444 | ||
f1bde64c TG |
2445 | bfd_boolean |
2446 | bfd_mach_o_new_section_hook (bfd *abfd, asection *sec) | |
2447 | { | |
2448 | bfd_mach_o_section *s; | |
a4551119 | 2449 | unsigned bfdalign = bfd_get_section_alignment (abfd, sec); |
f1bde64c TG |
2450 | |
2451 | s = bfd_mach_o_get_mach_o_section (sec); | |
2452 | if (s == NULL) | |
2453 | { | |
2454 | flagword bfd_flags; | |
a4551119 | 2455 | static const mach_o_section_name_xlat * xlat; |
f1bde64c TG |
2456 | |
2457 | s = (bfd_mach_o_section *) bfd_zalloc (abfd, sizeof (*s)); | |
2458 | if (s == NULL) | |
2459 | return FALSE; | |
2460 | sec->used_by_bfd = s; | |
2461 | s->bfdsection = sec; | |
2462 | ||
a4551119 TG |
2463 | /* Create the Darwin seg/sect name pair from the bfd name. |
2464 | If this is a canonical name for which a specific paiting exists | |
2465 | there will also be defined flags, type, attribute and alignment | |
2466 | values. */ | |
2467 | xlat = bfd_mach_o_convert_section_name_to_mach_o (abfd, sec, s); | |
2468 | if (xlat != NULL) | |
2469 | { | |
2470 | s->flags = xlat->macho_sectype | xlat->macho_secattr; | |
2471 | s->align = xlat->sectalign > bfdalign ? xlat->sectalign | |
2472 | : bfdalign; | |
2473 | bfd_set_section_alignment (abfd, sec, s->align); | |
2474 | bfd_flags = bfd_get_section_flags (abfd, sec); | |
2475 | if (bfd_flags == SEC_NO_FLAGS) | |
2476 | bfd_set_section_flags (abfd, sec, xlat->bfd_flags); | |
2477 | } | |
f1bde64c | 2478 | else |
a4551119 TG |
2479 | /* Create default flags. */ |
2480 | bfd_mach_o_set_section_flags_from_bfd (abfd, sec); | |
f1bde64c TG |
2481 | } |
2482 | ||
2483 | return _bfd_generic_new_section_hook (abfd, sec); | |
2484 | } | |
2485 | ||
2486 | static void | |
2487 | bfd_mach_o_init_section_from_mach_o (bfd *abfd, asection *sec, | |
2488 | unsigned long prot) | |
3af9a47b | 2489 | { |
117ed4f8 | 2490 | flagword flags; |
f1bde64c | 2491 | bfd_mach_o_section *section; |
3af9a47b | 2492 | |
f1bde64c TG |
2493 | flags = bfd_get_section_flags (abfd, sec); |
2494 | section = bfd_mach_o_get_mach_o_section (sec); | |
3af9a47b | 2495 | |
a4551119 TG |
2496 | /* TODO: see if we should use the xlat system for doing this by |
2497 | preference and fall back to this for unknown sections. */ | |
2498 | ||
8462aec7 | 2499 | if (flags == SEC_NO_FLAGS) |
ef17cb22 | 2500 | { |
8462aec7 TG |
2501 | /* Try to guess flags. */ |
2502 | if (section->flags & BFD_MACH_O_S_ATTR_DEBUG) | |
2503 | flags = SEC_DEBUGGING; | |
2504 | else | |
2505 | { | |
2506 | flags = SEC_ALLOC; | |
2507 | if ((section->flags & BFD_MACH_O_SECTION_TYPE_MASK) | |
2508 | != BFD_MACH_O_S_ZEROFILL) | |
2509 | { | |
2510 | flags |= SEC_LOAD; | |
2511 | if (prot & BFD_MACH_O_PROT_EXECUTE) | |
2512 | flags |= SEC_CODE; | |
2513 | if (prot & BFD_MACH_O_PROT_WRITE) | |
2514 | flags |= SEC_DATA; | |
2515 | else if (prot & BFD_MACH_O_PROT_READ) | |
2516 | flags |= SEC_READONLY; | |
2517 | } | |
2518 | } | |
ef17cb22 | 2519 | } |
15e1c58a TG |
2520 | else |
2521 | { | |
8462aec7 TG |
2522 | if ((flags & SEC_DEBUGGING) == 0) |
2523 | flags |= SEC_ALLOC; | |
15e1c58a | 2524 | } |
8462aec7 TG |
2525 | |
2526 | if (section->offset != 0) | |
2527 | flags |= SEC_HAS_CONTENTS; | |
92bc0e80 TG |
2528 | if (section->nreloc != 0) |
2529 | flags |= SEC_RELOC; | |
2530 | ||
f1bde64c TG |
2531 | bfd_set_section_flags (abfd, sec, flags); |
2532 | ||
2533 | sec->vma = section->addr; | |
2534 | sec->lma = section->addr; | |
2535 | sec->size = section->size; | |
2536 | sec->filepos = section->offset; | |
2537 | sec->alignment_power = section->align; | |
2538 | sec->segment_mark = 0; | |
2539 | sec->reloc_count = section->nreloc; | |
2540 | sec->rel_filepos = section->reloff; | |
2541 | } | |
2542 | ||
2543 | static asection * | |
2544 | bfd_mach_o_make_bfd_section (bfd *abfd, | |
2545 | const unsigned char *segname, | |
2546 | const unsigned char *sectname) | |
2547 | { | |
2548 | const char *sname; | |
2549 | flagword flags; | |
a95a4550 | 2550 | |
f1bde64c TG |
2551 | bfd_mach_o_convert_section_name_to_bfd |
2552 | (abfd, (const char *)segname, (const char *)sectname, &sname, &flags); | |
2553 | if (sname == NULL) | |
2554 | return NULL; | |
3af9a47b | 2555 | |
f1bde64c | 2556 | return bfd_make_section_anyway_with_flags (abfd, sname, flags); |
3af9a47b NC |
2557 | } |
2558 | ||
f1bde64c | 2559 | static asection * |
ab273af8 | 2560 | bfd_mach_o_read_section_32 (bfd *abfd, |
ab273af8 TG |
2561 | unsigned int offset, |
2562 | unsigned long prot) | |
3af9a47b | 2563 | { |
46d1c23b | 2564 | struct mach_o_section_32_external raw; |
f1bde64c TG |
2565 | asection *sec; |
2566 | bfd_mach_o_section *section; | |
3af9a47b | 2567 | |
c2f09c75 | 2568 | if (bfd_seek (abfd, offset, SEEK_SET) != 0 |
46d1c23b | 2569 | || (bfd_bread (&raw, BFD_MACH_O_SECTION_SIZE, abfd) |
c2f09c75 | 2570 | != BFD_MACH_O_SECTION_SIZE)) |
f1bde64c | 2571 | return NULL; |
a95a4550 | 2572 | |
5a5cbf72 | 2573 | sec = bfd_mach_o_make_bfd_section (abfd, raw.segname, raw.sectname); |
f1bde64c TG |
2574 | if (sec == NULL) |
2575 | return NULL; | |
2576 | ||
2577 | section = bfd_mach_o_get_mach_o_section (sec); | |
2578 | memcpy (section->segname, raw.segname, sizeof (raw.segname)); | |
2579 | section->segname[BFD_MACH_O_SEGNAME_SIZE] = 0; | |
2580 | memcpy (section->sectname, raw.sectname, sizeof (raw.sectname)); | |
69499dca | 2581 | section->sectname[BFD_MACH_O_SECTNAME_SIZE] = 0; |
46d1c23b TG |
2582 | section->addr = bfd_h_get_32 (abfd, raw.addr); |
2583 | section->size = bfd_h_get_32 (abfd, raw.size); | |
2584 | section->offset = bfd_h_get_32 (abfd, raw.offset); | |
2585 | section->align = bfd_h_get_32 (abfd, raw.align); | |
2586 | section->reloff = bfd_h_get_32 (abfd, raw.reloff); | |
2587 | section->nreloc = bfd_h_get_32 (abfd, raw.nreloc); | |
2588 | section->flags = bfd_h_get_32 (abfd, raw.flags); | |
2589 | section->reserved1 = bfd_h_get_32 (abfd, raw.reserved1); | |
2590 | section->reserved2 = bfd_h_get_32 (abfd, raw.reserved2); | |
1e8a024a | 2591 | section->reserved3 = 0; |
1e8a024a | 2592 | |
f1bde64c | 2593 | bfd_mach_o_init_section_from_mach_o (abfd, sec, prot); |
1e8a024a | 2594 | |
f1bde64c | 2595 | return sec; |
1e8a024a TG |
2596 | } |
2597 | ||
f1bde64c | 2598 | static asection * |
ab273af8 | 2599 | bfd_mach_o_read_section_64 (bfd *abfd, |
ab273af8 TG |
2600 | unsigned int offset, |
2601 | unsigned long prot) | |
1e8a024a | 2602 | { |
46d1c23b | 2603 | struct mach_o_section_64_external raw; |
f1bde64c TG |
2604 | asection *sec; |
2605 | bfd_mach_o_section *section; | |
1e8a024a | 2606 | |
c2f09c75 | 2607 | if (bfd_seek (abfd, offset, SEEK_SET) != 0 |
46d1c23b | 2608 | || (bfd_bread (&raw, BFD_MACH_O_SECTION_64_SIZE, abfd) |
c2f09c75 | 2609 | != BFD_MACH_O_SECTION_64_SIZE)) |
f1bde64c TG |
2610 | return NULL; |
2611 | ||
5a5cbf72 | 2612 | sec = bfd_mach_o_make_bfd_section (abfd, raw.segname, raw.sectname); |
f1bde64c TG |
2613 | if (sec == NULL) |
2614 | return NULL; | |
1e8a024a | 2615 | |
f1bde64c TG |
2616 | section = bfd_mach_o_get_mach_o_section (sec); |
2617 | memcpy (section->segname, raw.segname, sizeof (raw.segname)); | |
2618 | section->segname[BFD_MACH_O_SEGNAME_SIZE] = 0; | |
2619 | memcpy (section->sectname, raw.sectname, sizeof (raw.sectname)); | |
69499dca | 2620 | section->sectname[BFD_MACH_O_SECTNAME_SIZE] = 0; |
46d1c23b TG |
2621 | section->addr = bfd_h_get_64 (abfd, raw.addr); |
2622 | section->size = bfd_h_get_64 (abfd, raw.size); | |
2623 | section->offset = bfd_h_get_32 (abfd, raw.offset); | |
2624 | section->align = bfd_h_get_32 (abfd, raw.align); | |
2625 | section->reloff = bfd_h_get_32 (abfd, raw.reloff); | |
2626 | section->nreloc = bfd_h_get_32 (abfd, raw.nreloc); | |
2627 | section->flags = bfd_h_get_32 (abfd, raw.flags); | |
2628 | section->reserved1 = bfd_h_get_32 (abfd, raw.reserved1); | |
2629 | section->reserved2 = bfd_h_get_32 (abfd, raw.reserved2); | |
2630 | section->reserved3 = bfd_h_get_32 (abfd, raw.reserved3); | |
3af9a47b | 2631 | |
f1bde64c | 2632 | bfd_mach_o_init_section_from_mach_o (abfd, sec, prot); |
3af9a47b | 2633 | |
f1bde64c | 2634 | return sec; |
3af9a47b NC |
2635 | } |
2636 | ||
f1bde64c | 2637 | static asection * |
ab273af8 | 2638 | bfd_mach_o_read_section (bfd *abfd, |
ab273af8 TG |
2639 | unsigned int offset, |
2640 | unsigned long prot, | |
2641 | unsigned int wide) | |
1e8a024a TG |
2642 | { |
2643 | if (wide) | |
f1bde64c | 2644 | return bfd_mach_o_read_section_64 (abfd, offset, prot); |
1e8a024a | 2645 | else |
f1bde64c | 2646 | return bfd_mach_o_read_section_32 (abfd, offset, prot); |
1e8a024a TG |
2647 | } |
2648 | ||
afbb9e17 | 2649 | static bfd_boolean |
ab273af8 TG |
2650 | bfd_mach_o_read_symtab_symbol (bfd *abfd, |
2651 | bfd_mach_o_symtab_command *sym, | |
2652 | bfd_mach_o_asymbol *s, | |
2653 | unsigned long i) | |
3af9a47b | 2654 | { |
046b007d | 2655 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
c2f09c75 | 2656 | unsigned int wide = mach_o_wide_p (&mdata->header); |
046b007d TG |
2657 | unsigned int symwidth = |
2658 | wide ? BFD_MACH_O_NLIST_64_SIZE : BFD_MACH_O_NLIST_SIZE; | |
92bc0e80 | 2659 | unsigned int symoff = sym->symoff + (i * symwidth); |
46d1c23b | 2660 | struct mach_o_nlist_64_external raw; |
3af9a47b NC |
2661 | unsigned char type = -1; |
2662 | unsigned char section = -1; | |
2663 | short desc = -1; | |
1e8a024a | 2664 | symvalue value = -1; |
3af9a47b NC |
2665 | unsigned long stroff = -1; |
2666 | unsigned int symtype = -1; | |
2667 | ||
2668 | BFD_ASSERT (sym->strtab != NULL); | |
2669 | ||
c2f09c75 | 2670 | if (bfd_seek (abfd, symoff, SEEK_SET) != 0 |
46d1c23b | 2671 | || bfd_bread (&raw, symwidth, abfd) != symwidth) |
3af9a47b | 2672 | { |
46d1c23b TG |
2673 | (*_bfd_error_handler) |
2674 | (_("bfd_mach_o_read_symtab_symbol: unable to read %d bytes at %lu"), | |
2675 | symwidth, (unsigned long) symoff); | |
afbb9e17 | 2676 | return FALSE; |
3af9a47b NC |
2677 | } |
2678 | ||
46d1c23b TG |
2679 | stroff = bfd_h_get_32 (abfd, raw.n_strx); |
2680 | type = bfd_h_get_8 (abfd, raw.n_type); | |
c2f09c75 | 2681 | symtype = type & BFD_MACH_O_N_TYPE; |
46d1c23b TG |
2682 | section = bfd_h_get_8 (abfd, raw.n_sect); |
2683 | desc = bfd_h_get_16 (abfd, raw.n_desc); | |
1e8a024a | 2684 | if (wide) |
46d1c23b | 2685 | value = bfd_h_get_64 (abfd, raw.n_value); |
1e8a024a | 2686 | else |
46d1c23b | 2687 | value = bfd_h_get_32 (abfd, raw.n_value); |
3af9a47b NC |
2688 | |
2689 | if (stroff >= sym->strsize) | |
2690 | { | |
46d1c23b TG |
2691 | (*_bfd_error_handler) |
2692 | (_("bfd_mach_o_read_symtab_symbol: name out of range (%lu >= %lu)"), | |
2693 | (unsigned long) stroff, | |
2694 | (unsigned long) sym->strsize); | |
afbb9e17 | 2695 | return FALSE; |
3af9a47b NC |
2696 | } |
2697 | ||
92bc0e80 TG |
2698 | s->symbol.the_bfd = abfd; |
2699 | s->symbol.name = sym->strtab + stroff; | |
2700 | s->symbol.value = value; | |
2701 | s->symbol.flags = 0x0; | |
2702 | s->symbol.udata.i = 0; | |
2703 | s->n_type = type; | |
2704 | s->n_sect = section; | |
2705 | s->n_desc = desc; | |
3af9a47b NC |
2706 | |
2707 | if (type & BFD_MACH_O_N_STAB) | |
2708 | { | |
92bc0e80 TG |
2709 | s->symbol.flags |= BSF_DEBUGGING; |
2710 | s->symbol.section = bfd_und_section_ptr; | |
15e1c58a TG |
2711 | switch (type) |
2712 | { | |
2713 | case N_FUN: | |
2714 | case N_STSYM: | |
2715 | case N_LCSYM: | |
2716 | case N_BNSYM: | |
2717 | case N_SLINE: | |
2718 | case N_ENSYM: | |
2719 | case N_ECOMM: | |
2720 | case N_ECOML: | |
2721 | case N_GSYM: | |
2722 | if ((section > 0) && (section <= mdata->nsects)) | |
2723 | { | |
92bc0e80 TG |
2724 | s->symbol.section = mdata->sections[section - 1]->bfdsection; |
2725 | s->symbol.value = | |
2726 | s->symbol.value - mdata->sections[section - 1]->addr; | |
15e1c58a TG |
2727 | } |
2728 | break; | |
2729 | } | |
3af9a47b NC |
2730 | } |
2731 | else | |
2732 | { | |
2733 | if (type & BFD_MACH_O_N_PEXT) | |
92bc0e80 | 2734 | s->symbol.flags |= BSF_GLOBAL; |
c2f09c75 | 2735 | |
3af9a47b | 2736 | if (type & BFD_MACH_O_N_EXT) |
92bc0e80 | 2737 | s->symbol.flags |= BSF_GLOBAL; |
15e1c58a TG |
2738 | |
2739 | if (!(type & (BFD_MACH_O_N_PEXT | BFD_MACH_O_N_EXT))) | |
92bc0e80 | 2740 | s->symbol.flags |= BSF_LOCAL; |
3af9a47b NC |
2741 | |
2742 | switch (symtype) | |
2743 | { | |
2744 | case BFD_MACH_O_N_UNDF: | |
c2f09c75 | 2745 | if (type == (BFD_MACH_O_N_UNDF | BFD_MACH_O_N_EXT) |
92bc0e80 | 2746 | && s->symbol.value != 0) |
c2f09c75 TG |
2747 | { |
2748 | /* A common symbol. */ | |
92bc0e80 TG |
2749 | s->symbol.section = bfd_com_section_ptr; |
2750 | s->symbol.flags = BSF_NO_FLAGS; | |
c2f09c75 TG |
2751 | } |
2752 | else | |
92bc0e80 TG |
2753 | { |
2754 | s->symbol.section = bfd_und_section_ptr; | |
2755 | if (s->n_desc & BFD_MACH_O_N_WEAK_REF) | |
2756 | s->symbol.flags |= BSF_WEAK; | |
2757 | } | |
3af9a47b NC |
2758 | break; |
2759 | case BFD_MACH_O_N_PBUD: | |
92bc0e80 | 2760 | s->symbol.section = bfd_und_section_ptr; |
3af9a47b NC |
2761 | break; |
2762 | case BFD_MACH_O_N_ABS: | |
92bc0e80 | 2763 | s->symbol.section = bfd_abs_section_ptr; |
3af9a47b NC |
2764 | break; |
2765 | case BFD_MACH_O_N_SECT: | |
2766 | if ((section > 0) && (section <= mdata->nsects)) | |
2767 | { | |
92bc0e80 TG |
2768 | s->symbol.section = mdata->sections[section - 1]->bfdsection; |
2769 | s->symbol.value = | |
2770 | s->symbol.value - mdata->sections[section - 1]->addr; | |
3af9a47b NC |
2771 | } |
2772 | else | |
2773 | { | |
2774 | /* Mach-O uses 0 to mean "no section"; not an error. */ | |
2775 | if (section != 0) | |
2776 | { | |
4a97a0e5 AM |
2777 | (*_bfd_error_handler) (_("bfd_mach_o_read_symtab_symbol: " |
2778 | "symbol \"%s\" specified invalid section %d (max %lu): setting to undefined"), | |
2779 | s->symbol.name, section, mdata->nsects); | |
3af9a47b | 2780 | } |
92bc0e80 | 2781 | s->symbol.section = bfd_und_section_ptr; |
3af9a47b NC |
2782 | } |
2783 | break; | |
2784 | case BFD_MACH_O_N_INDR: | |
0596a831 TG |
2785 | /* FIXME: we don't follow the BFD convention as this indirect symbol |
2786 | won't be followed by the referenced one. This looks harmless | |
2787 | unless we start using the linker. */ | |
2788 | s->symbol.flags |= BSF_INDIRECT; | |
2789 | s->symbol.section = bfd_ind_section_ptr; | |
2790 | s->symbol.value = 0; | |
3af9a47b NC |
2791 | break; |
2792 | default: | |
4a97a0e5 AM |
2793 | (*_bfd_error_handler) (_("bfd_mach_o_read_symtab_symbol: " |
2794 | "symbol \"%s\" specified invalid type field 0x%x: setting to undefined"), | |
2795 | s->symbol.name, symtype); | |
92bc0e80 | 2796 | s->symbol.section = bfd_und_section_ptr; |
3af9a47b NC |
2797 | break; |
2798 | } | |
2799 | } | |
2800 | ||
afbb9e17 | 2801 | return TRUE; |
3af9a47b NC |
2802 | } |
2803 | ||
c5012cd8 | 2804 | bfd_boolean |
ab273af8 | 2805 | bfd_mach_o_read_symtab_strtab (bfd *abfd) |
3af9a47b | 2806 | { |
046b007d TG |
2807 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
2808 | bfd_mach_o_symtab_command *sym = mdata->symtab; | |
2809 | ||
2810 | /* Fail if there is no symtab. */ | |
2811 | if (sym == NULL) | |
afbb9e17 | 2812 | return FALSE; |
046b007d TG |
2813 | |
2814 | /* Success if already loaded. */ | |
2815 | if (sym->strtab) | |
afbb9e17 | 2816 | return TRUE; |
3af9a47b NC |
2817 | |
2818 | if (abfd->flags & BFD_IN_MEMORY) | |
2819 | { | |
2820 | struct bfd_in_memory *b; | |
2821 | ||
2822 | b = (struct bfd_in_memory *) abfd->iostream; | |
2823 | ||
2824 | if ((sym->stroff + sym->strsize) > b->size) | |
2825 | { | |
2826 | bfd_set_error (bfd_error_file_truncated); | |
afbb9e17 | 2827 | return FALSE; |
3af9a47b | 2828 | } |
f075ee0c | 2829 | sym->strtab = (char *) b->buffer + sym->stroff; |
3af9a47b | 2830 | } |
046b007d | 2831 | else |
3af9a47b | 2832 | { |
046b007d TG |
2833 | sym->strtab = bfd_alloc (abfd, sym->strsize); |
2834 | if (sym->strtab == NULL) | |
afbb9e17 | 2835 | return FALSE; |
046b007d TG |
2836 | |
2837 | if (bfd_seek (abfd, sym->stroff, SEEK_SET) != 0 | |
afbb9e17 | 2838 | || bfd_bread (sym->strtab, sym->strsize, abfd) != sym->strsize) |
046b007d TG |
2839 | { |
2840 | bfd_set_error (bfd_error_file_truncated); | |
afbb9e17 | 2841 | return FALSE; |
046b007d | 2842 | } |
3af9a47b NC |
2843 | } |
2844 | ||
afbb9e17 | 2845 | return TRUE; |
3af9a47b NC |
2846 | } |
2847 | ||
c5012cd8 | 2848 | bfd_boolean |
ab273af8 | 2849 | bfd_mach_o_read_symtab_symbols (bfd *abfd) |
3af9a47b | 2850 | { |
046b007d TG |
2851 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
2852 | bfd_mach_o_symtab_command *sym = mdata->symtab; | |
3af9a47b | 2853 | unsigned long i; |
3af9a47b | 2854 | |
092d27ff TG |
2855 | if (sym == NULL || sym->symbols) |
2856 | { | |
2857 | /* Return now if there are no symbols or if already loaded. */ | |
afbb9e17 | 2858 | return TRUE; |
092d27ff | 2859 | } |
046b007d | 2860 | |
92bc0e80 | 2861 | sym->symbols = bfd_alloc (abfd, sym->nsyms * sizeof (bfd_mach_o_asymbol)); |
3af9a47b NC |
2862 | |
2863 | if (sym->symbols == NULL) | |
2864 | { | |
4a97a0e5 | 2865 | (*_bfd_error_handler) (_("bfd_mach_o_read_symtab_symbols: unable to allocate memory for symbols")); |
afbb9e17 | 2866 | return FALSE; |
3af9a47b | 2867 | } |
a95a4550 | 2868 | |
afbb9e17 TG |
2869 | if (!bfd_mach_o_read_symtab_strtab (abfd)) |
2870 | return FALSE; | |
3af9a47b NC |
2871 | |
2872 | for (i = 0; i < sym->nsyms; i++) | |
2873 | { | |
afbb9e17 TG |
2874 | if (!bfd_mach_o_read_symtab_symbol (abfd, sym, &sym->symbols[i], i)) |
2875 | return FALSE; | |
3af9a47b | 2876 | } |
a95a4550 | 2877 | |
afbb9e17 | 2878 | return TRUE; |
3af9a47b NC |
2879 | } |
2880 | ||
2881 | static const char * | |
116c20d2 | 2882 | bfd_mach_o_i386_flavour_string (unsigned int flavour) |
3af9a47b NC |
2883 | { |
2884 | switch ((int) flavour) | |
2885 | { | |
15e1c58a TG |
2886 | case BFD_MACH_O_x86_THREAD_STATE32: return "x86_THREAD_STATE32"; |
2887 | case BFD_MACH_O_x86_FLOAT_STATE32: return "x86_FLOAT_STATE32"; | |
2888 | case BFD_MACH_O_x86_EXCEPTION_STATE32: return "x86_EXCEPTION_STATE32"; | |
2889 | case BFD_MACH_O_x86_THREAD_STATE64: return "x86_THREAD_STATE64"; | |
2890 | case BFD_MACH_O_x86_FLOAT_STATE64: return "x86_FLOAT_STATE64"; | |
2891 | case BFD_MACH_O_x86_EXCEPTION_STATE64: return "x86_EXCEPTION_STATE64"; | |
2892 | case BFD_MACH_O_x86_THREAD_STATE: return "x86_THREAD_STATE"; | |
2893 | case BFD_MACH_O_x86_FLOAT_STATE: return "x86_FLOAT_STATE"; | |
2894 | case BFD_MACH_O_x86_EXCEPTION_STATE: return "x86_EXCEPTION_STATE"; | |
2895 | case BFD_MACH_O_x86_DEBUG_STATE32: return "x86_DEBUG_STATE32"; | |
2896 | case BFD_MACH_O_x86_DEBUG_STATE64: return "x86_DEBUG_STATE64"; | |
2897 | case BFD_MACH_O_x86_DEBUG_STATE: return "x86_DEBUG_STATE"; | |
b32e07d7 | 2898 | case BFD_MACH_O_x86_THREAD_STATE_NONE: return "x86_THREAD_STATE_NONE"; |
3af9a47b NC |
2899 | default: return "UNKNOWN"; |
2900 | } | |
2901 | } | |
2902 | ||
2903 | static const char * | |
116c20d2 | 2904 | bfd_mach_o_ppc_flavour_string (unsigned int flavour) |
3af9a47b NC |
2905 | { |
2906 | switch ((int) flavour) | |
2907 | { | |
b32e07d7 TG |
2908 | case BFD_MACH_O_PPC_THREAD_STATE: return "PPC_THREAD_STATE"; |
2909 | case BFD_MACH_O_PPC_FLOAT_STATE: return "PPC_FLOAT_STATE"; | |
2910 | case BFD_MACH_O_PPC_EXCEPTION_STATE: return "PPC_EXCEPTION_STATE"; | |
2911 | case BFD_MACH_O_PPC_VECTOR_STATE: return "PPC_VECTOR_STATE"; | |
2912 | case BFD_MACH_O_PPC_THREAD_STATE64: return "PPC_THREAD_STATE64"; | |
2913 | case BFD_MACH_O_PPC_EXCEPTION_STATE64: return "PPC_EXCEPTION_STATE64"; | |
3af9a47b NC |
2914 | default: return "UNKNOWN"; |
2915 | } | |
2916 | } | |
2917 | ||
2918 | static int | |
ab273af8 | 2919 | bfd_mach_o_read_dylinker (bfd *abfd, bfd_mach_o_load_command *command) |
3af9a47b NC |
2920 | { |
2921 | bfd_mach_o_dylinker_command *cmd = &command->command.dylinker; | |
46d1c23b | 2922 | struct mach_o_str_command_external raw; |
3af9a47b | 2923 | unsigned int nameoff; |
3af9a47b NC |
2924 | |
2925 | BFD_ASSERT ((command->type == BFD_MACH_O_LC_ID_DYLINKER) | |
2926 | || (command->type == BFD_MACH_O_LC_LOAD_DYLINKER)); | |
2927 | ||
46d1c23b TG |
2928 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 |
2929 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
3af9a47b NC |
2930 | return -1; |
2931 | ||
46d1c23b | 2932 | nameoff = bfd_h_get_32 (abfd, raw.str); |
3af9a47b NC |
2933 | |
2934 | cmd->name_offset = command->offset + nameoff; | |
2935 | cmd->name_len = command->len - nameoff; | |
b32e07d7 TG |
2936 | cmd->name_str = bfd_alloc (abfd, cmd->name_len); |
2937 | if (cmd->name_str == NULL) | |
3af9a47b | 2938 | return -1; |
b32e07d7 TG |
2939 | if (bfd_seek (abfd, cmd->name_offset, SEEK_SET) != 0 |
2940 | || bfd_bread (cmd->name_str, cmd->name_len, abfd) != cmd->name_len) | |
3af9a47b | 2941 | return -1; |
3af9a47b NC |
2942 | return 0; |
2943 | } | |
2944 | ||
2945 | static int | |
ab273af8 | 2946 | bfd_mach_o_read_dylib (bfd *abfd, bfd_mach_o_load_command *command) |
3af9a47b NC |
2947 | { |
2948 | bfd_mach_o_dylib_command *cmd = &command->command.dylib; | |
46d1c23b | 2949 | struct mach_o_dylib_command_external raw; |
3af9a47b | 2950 | unsigned int nameoff; |
3af9a47b | 2951 | |
046b007d TG |
2952 | switch (command->type) |
2953 | { | |
2954 | case BFD_MACH_O_LC_LOAD_DYLIB: | |
046b007d | 2955 | case BFD_MACH_O_LC_LOAD_WEAK_DYLIB: |
046b007d | 2956 | case BFD_MACH_O_LC_ID_DYLIB: |
046b007d | 2957 | case BFD_MACH_O_LC_REEXPORT_DYLIB: |
73017762 | 2958 | case BFD_MACH_O_LC_LOAD_UPWARD_DYLIB: |
046b007d TG |
2959 | break; |
2960 | default: | |
b32e07d7 TG |
2961 | BFD_FAIL (); |
2962 | return -1; | |
046b007d | 2963 | } |
3af9a47b | 2964 | |
46d1c23b TG |
2965 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 |
2966 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
3af9a47b NC |
2967 | return -1; |
2968 | ||
46d1c23b TG |
2969 | nameoff = bfd_h_get_32 (abfd, raw.name); |
2970 | cmd->timestamp = bfd_h_get_32 (abfd, raw.timestamp); | |
2971 | cmd->current_version = bfd_h_get_32 (abfd, raw.current_version); | |
2972 | cmd->compatibility_version = bfd_h_get_32 (abfd, raw.compatibility_version); | |
3af9a47b NC |
2973 | |
2974 | cmd->name_offset = command->offset + nameoff; | |
2975 | cmd->name_len = command->len - nameoff; | |
b32e07d7 TG |
2976 | cmd->name_str = bfd_alloc (abfd, cmd->name_len); |
2977 | if (cmd->name_str == NULL) | |
3af9a47b | 2978 | return -1; |
b32e07d7 TG |
2979 | if (bfd_seek (abfd, cmd->name_offset, SEEK_SET) != 0 |
2980 | || bfd_bread (cmd->name_str, cmd->name_len, abfd) != cmd->name_len) | |
3af9a47b | 2981 | return -1; |
3af9a47b NC |
2982 | return 0; |
2983 | } | |
2984 | ||
2985 | static int | |
ab273af8 TG |
2986 | bfd_mach_o_read_prebound_dylib (bfd *abfd ATTRIBUTE_UNUSED, |
2987 | bfd_mach_o_load_command *command ATTRIBUTE_UNUSED) | |
3af9a47b NC |
2988 | { |
2989 | /* bfd_mach_o_prebound_dylib_command *cmd = &command->command.prebound_dylib; */ | |
2990 | ||
2991 | BFD_ASSERT (command->type == BFD_MACH_O_LC_PREBOUND_DYLIB); | |
2992 | return 0; | |
2993 | } | |
2994 | ||
2995 | static int | |
ab273af8 | 2996 | bfd_mach_o_read_thread (bfd *abfd, bfd_mach_o_load_command *command) |
3af9a47b | 2997 | { |
b32e07d7 | 2998 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
3af9a47b | 2999 | bfd_mach_o_thread_command *cmd = &command->command.thread; |
92bc0e80 | 3000 | unsigned int offset; |
3af9a47b NC |
3001 | unsigned int nflavours; |
3002 | unsigned int i; | |
3003 | ||
3004 | BFD_ASSERT ((command->type == BFD_MACH_O_LC_THREAD) | |
3005 | || (command->type == BFD_MACH_O_LC_UNIXTHREAD)); | |
3006 | ||
b32e07d7 | 3007 | /* Count the number of threads. */ |
3af9a47b NC |
3008 | offset = 8; |
3009 | nflavours = 0; | |
3010 | while (offset != command->len) | |
3011 | { | |
46d1c23b TG |
3012 | struct mach_o_thread_command_external raw; |
3013 | ||
3af9a47b NC |
3014 | if (offset >= command->len) |
3015 | return -1; | |
3016 | ||
c2f09c75 | 3017 | if (bfd_seek (abfd, command->offset + offset, SEEK_SET) != 0 |
46d1c23b | 3018 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) |
3af9a47b NC |
3019 | return -1; |
3020 | ||
46d1c23b | 3021 | offset += sizeof (raw) + bfd_h_get_32 (abfd, raw.count) * 4; |
3af9a47b NC |
3022 | nflavours++; |
3023 | } | |
3024 | ||
b32e07d7 TG |
3025 | /* Allocate threads. */ |
3026 | cmd->flavours = bfd_alloc | |
3027 | (abfd, nflavours * sizeof (bfd_mach_o_thread_flavour)); | |
3af9a47b NC |
3028 | if (cmd->flavours == NULL) |
3029 | return -1; | |
3030 | cmd->nflavours = nflavours; | |
3031 | ||
3032 | offset = 8; | |
3033 | nflavours = 0; | |
3034 | while (offset != command->len) | |
3035 | { | |
46d1c23b TG |
3036 | struct mach_o_thread_command_external raw; |
3037 | ||
3af9a47b NC |
3038 | if (offset >= command->len) |
3039 | return -1; | |
3040 | ||
3041 | if (nflavours >= cmd->nflavours) | |
3042 | return -1; | |
3043 | ||
c2f09c75 | 3044 | if (bfd_seek (abfd, command->offset + offset, SEEK_SET) != 0 |
46d1c23b | 3045 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) |
3af9a47b NC |
3046 | return -1; |
3047 | ||
46d1c23b TG |
3048 | cmd->flavours[nflavours].flavour = bfd_h_get_32 (abfd, raw.flavour); |
3049 | cmd->flavours[nflavours].offset = command->offset + offset + sizeof (raw); | |
3050 | cmd->flavours[nflavours].size = bfd_h_get_32 (abfd, raw.count) * 4; | |
3051 | offset += cmd->flavours[nflavours].size + sizeof (raw); | |
3af9a47b NC |
3052 | nflavours++; |
3053 | } | |
3054 | ||
3055 | for (i = 0; i < nflavours; i++) | |
3056 | { | |
3057 | asection *bfdsec; | |
3058 | unsigned int snamelen; | |
3059 | char *sname; | |
3060 | const char *flavourstr; | |
3061 | const char *prefix = "LC_THREAD"; | |
a95a4550 AM |
3062 | unsigned int j = 0; |
3063 | ||
3af9a47b NC |
3064 | switch (mdata->header.cputype) |
3065 | { | |
3066 | case BFD_MACH_O_CPU_TYPE_POWERPC: | |
1e8a024a | 3067 | case BFD_MACH_O_CPU_TYPE_POWERPC_64: |
3af9a47b NC |
3068 | flavourstr = bfd_mach_o_ppc_flavour_string (cmd->flavours[i].flavour); |
3069 | break; | |
3070 | case BFD_MACH_O_CPU_TYPE_I386: | |
1e8a024a | 3071 | case BFD_MACH_O_CPU_TYPE_X86_64: |
3af9a47b NC |
3072 | flavourstr = bfd_mach_o_i386_flavour_string (cmd->flavours[i].flavour); |
3073 | break; | |
3074 | default: | |
3075 | flavourstr = "UNKNOWN_ARCHITECTURE"; | |
3076 | break; | |
3077 | } | |
a95a4550 | 3078 | |
3af9a47b | 3079 | snamelen = strlen (prefix) + 1 + 20 + 1 + strlen (flavourstr) + 1; |
116c20d2 | 3080 | sname = bfd_alloc (abfd, snamelen); |
3af9a47b NC |
3081 | if (sname == NULL) |
3082 | return -1; | |
3083 | ||
3084 | for (;;) | |
3085 | { | |
a95a4550 AM |
3086 | sprintf (sname, "%s.%s.%u", prefix, flavourstr, j); |
3087 | if (bfd_get_section_by_name (abfd, sname) == NULL) | |
3af9a47b | 3088 | break; |
a95a4550 | 3089 | j++; |
3af9a47b NC |
3090 | } |
3091 | ||
117ed4f8 | 3092 | bfdsec = bfd_make_section_with_flags (abfd, sname, SEC_HAS_CONTENTS); |
a95a4550 | 3093 | |
3af9a47b NC |
3094 | bfdsec->vma = 0; |
3095 | bfdsec->lma = 0; | |
eea6121a | 3096 | bfdsec->size = cmd->flavours[i].size; |
3af9a47b NC |
3097 | bfdsec->filepos = cmd->flavours[i].offset; |
3098 | bfdsec->alignment_power = 0x0; | |
3af9a47b NC |
3099 | |
3100 | cmd->section = bfdsec; | |
3101 | } | |
3102 | ||
3103 | return 0; | |
3104 | } | |
3105 | ||
a95a4550 | 3106 | static int |
ab273af8 | 3107 | bfd_mach_o_read_dysymtab (bfd *abfd, bfd_mach_o_load_command *command) |
3af9a47b | 3108 | { |
046b007d | 3109 | bfd_mach_o_dysymtab_command *cmd = &command->command.dysymtab; |
b32e07d7 | 3110 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
3af9a47b NC |
3111 | |
3112 | BFD_ASSERT (command->type == BFD_MACH_O_LC_DYSYMTAB); | |
3113 | ||
46d1c23b TG |
3114 | { |
3115 | struct mach_o_dysymtab_command_external raw; | |
3116 | ||
3117 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 | |
3118 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
3119 | return -1; | |
3af9a47b | 3120 | |
46d1c23b TG |
3121 | cmd->ilocalsym = bfd_h_get_32 (abfd, raw.ilocalsym); |
3122 | cmd->nlocalsym = bfd_h_get_32 (abfd, raw.nlocalsym); | |
3123 | cmd->iextdefsym = bfd_h_get_32 (abfd, raw.iextdefsym); | |
3124 | cmd->nextdefsym = bfd_h_get_32 (abfd, raw.nextdefsym); | |
3125 | cmd->iundefsym = bfd_h_get_32 (abfd, raw.iundefsym); | |
3126 | cmd->nundefsym = bfd_h_get_32 (abfd, raw.nundefsym); | |
3127 | cmd->tocoff = bfd_h_get_32 (abfd, raw.tocoff); | |
3128 | cmd->ntoc = bfd_h_get_32 (abfd, raw.ntoc); | |
3129 | cmd->modtaboff = bfd_h_get_32 (abfd, raw.modtaboff); | |
3130 | cmd->nmodtab = bfd_h_get_32 (abfd, raw.nmodtab); | |
3131 | cmd->extrefsymoff = bfd_h_get_32 (abfd, raw.extrefsymoff); | |
3132 | cmd->nextrefsyms = bfd_h_get_32 (abfd, raw.nextrefsyms); | |
3133 | cmd->indirectsymoff = bfd_h_get_32 (abfd, raw.indirectsymoff); | |
3134 | cmd->nindirectsyms = bfd_h_get_32 (abfd, raw.nindirectsyms); | |
3135 | cmd->extreloff = bfd_h_get_32 (abfd, raw.extreloff); | |
3136 | cmd->nextrel = bfd_h_get_32 (abfd, raw.nextrel); | |
3137 | cmd->locreloff = bfd_h_get_32 (abfd, raw.locreloff); | |
3138 | cmd->nlocrel = bfd_h_get_32 (abfd, raw.nlocrel); | |
3139 | } | |
046b007d TG |
3140 | |
3141 | if (cmd->nmodtab != 0) | |
3142 | { | |
046b007d TG |
3143 | unsigned int i; |
3144 | int wide = bfd_mach_o_wide_p (abfd); | |
3145 | unsigned int module_len = wide ? 56 : 52; | |
3146 | ||
3147 | cmd->dylib_module = | |
3148 | bfd_alloc (abfd, cmd->nmodtab * sizeof (bfd_mach_o_dylib_module)); | |
3149 | if (cmd->dylib_module == NULL) | |
3150 | return -1; | |
3151 | ||
3152 | if (bfd_seek (abfd, cmd->modtaboff, SEEK_SET) != 0) | |
3153 | return -1; | |
3154 | ||
3155 | for (i = 0; i < cmd->nmodtab; i++) | |
3156 | { | |
3157 | bfd_mach_o_dylib_module *module = &cmd->dylib_module[i]; | |
3158 | unsigned long v; | |
46d1c23b | 3159 | unsigned char buf[56]; |
046b007d | 3160 | |
91d6fa6a | 3161 | if (bfd_bread ((void *) buf, module_len, abfd) != module_len) |
046b007d TG |
3162 | return -1; |
3163 | ||
3164 | module->module_name_idx = bfd_h_get_32 (abfd, buf + 0); | |
3165 | module->iextdefsym = bfd_h_get_32 (abfd, buf + 4); | |
3166 | module->nextdefsym = bfd_h_get_32 (abfd, buf + 8); | |
3167 | module->irefsym = bfd_h_get_32 (abfd, buf + 12); | |
3168 | module->nrefsym = bfd_h_get_32 (abfd, buf + 16); | |
3169 | module->ilocalsym = bfd_h_get_32 (abfd, buf + 20); | |
3170 | module->nlocalsym = bfd_h_get_32 (abfd, buf + 24); | |
3171 | module->iextrel = bfd_h_get_32 (abfd, buf + 28); | |
3172 | module->nextrel = bfd_h_get_32 (abfd, buf + 32); | |
3173 | v = bfd_h_get_32 (abfd, buf +36); | |
3174 | module->iinit = v & 0xffff; | |
3175 | module->iterm = (v >> 16) & 0xffff; | |
3176 | v = bfd_h_get_32 (abfd, buf + 40); | |
3177 | module->ninit = v & 0xffff; | |
3178 | module->nterm = (v >> 16) & 0xffff; | |
3179 | if (wide) | |
3180 | { | |
3181 | module->objc_module_info_size = bfd_h_get_32 (abfd, buf + 44); | |
3182 | module->objc_module_info_addr = bfd_h_get_64 (abfd, buf + 48); | |
3183 | } | |
3184 | else | |
3185 | { | |
3186 | module->objc_module_info_addr = bfd_h_get_32 (abfd, buf + 44); | |
3187 | module->objc_module_info_size = bfd_h_get_32 (abfd, buf + 48); | |
3188 | } | |
3189 | } | |
3190 | } | |
afbb9e17 | 3191 | |
046b007d TG |
3192 | if (cmd->ntoc != 0) |
3193 | { | |
046b007d TG |
3194 | unsigned int i; |
3195 | ||
3196 | cmd->dylib_toc = bfd_alloc | |
3197 | (abfd, cmd->ntoc * sizeof (bfd_mach_o_dylib_table_of_content)); | |
3198 | if (cmd->dylib_toc == NULL) | |
3199 | return -1; | |
3200 | ||
3201 | if (bfd_seek (abfd, cmd->tocoff, SEEK_SET) != 0) | |
3202 | return -1; | |
3203 | ||
3204 | for (i = 0; i < cmd->ntoc; i++) | |
3205 | { | |
46d1c23b | 3206 | struct mach_o_dylib_table_of_contents_external raw; |
046b007d TG |
3207 | bfd_mach_o_dylib_table_of_content *toc = &cmd->dylib_toc[i]; |
3208 | ||
46d1c23b | 3209 | if (bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) |
046b007d TG |
3210 | return -1; |
3211 | ||
46d1c23b TG |
3212 | toc->symbol_index = bfd_h_get_32 (abfd, raw.symbol_index); |
3213 | toc->module_index = bfd_h_get_32 (abfd, raw.module_index); | |
046b007d TG |
3214 | } |
3215 | } | |
3216 | ||
3217 | if (cmd->nindirectsyms != 0) | |
3218 | { | |
046b007d TG |
3219 | unsigned int i; |
3220 | ||
3221 | cmd->indirect_syms = bfd_alloc | |
3222 | (abfd, cmd->nindirectsyms * sizeof (unsigned int)); | |
3223 | if (cmd->indirect_syms == NULL) | |
3224 | return -1; | |
3225 | ||
3226 | if (bfd_seek (abfd, cmd->indirectsymoff, SEEK_SET) != 0) | |
3227 | return -1; | |
3228 | ||
3229 | for (i = 0; i < cmd->nindirectsyms; i++) | |
3230 | { | |
46d1c23b | 3231 | unsigned char raw[4]; |
046b007d TG |
3232 | unsigned int *is = &cmd->indirect_syms[i]; |
3233 | ||
46d1c23b | 3234 | if (bfd_bread (raw, sizeof (raw), abfd) != sizeof (raw)) |
046b007d TG |
3235 | return -1; |
3236 | ||
46d1c23b | 3237 | *is = bfd_h_get_32 (abfd, raw); |
046b007d TG |
3238 | } |
3239 | } | |
3240 | ||
3241 | if (cmd->nextrefsyms != 0) | |
3242 | { | |
046b007d TG |
3243 | unsigned long v; |
3244 | unsigned int i; | |
3245 | ||
3246 | cmd->ext_refs = bfd_alloc | |
3247 | (abfd, cmd->nextrefsyms * sizeof (bfd_mach_o_dylib_reference)); | |
3248 | if (cmd->ext_refs == NULL) | |
3249 | return -1; | |
3250 | ||
3251 | if (bfd_seek (abfd, cmd->extrefsymoff, SEEK_SET) != 0) | |
3252 | return -1; | |
3253 | ||
3254 | for (i = 0; i < cmd->nextrefsyms; i++) | |
3255 | { | |
46d1c23b | 3256 | unsigned char raw[4]; |
046b007d TG |
3257 | bfd_mach_o_dylib_reference *ref = &cmd->ext_refs[i]; |
3258 | ||
46d1c23b | 3259 | if (bfd_bread (raw, sizeof (raw), abfd) != sizeof (raw)) |
046b007d TG |
3260 | return -1; |
3261 | ||
b32e07d7 TG |
3262 | /* Fields isym and flags are written as bit-fields, thus we need |
3263 | a specific processing for endianness. */ | |
46d1c23b | 3264 | v = bfd_h_get_32 (abfd, raw); |
b32e07d7 TG |
3265 | if (bfd_big_endian (abfd)) |
3266 | { | |
3267 | ref->isym = (v >> 8) & 0xffffff; | |
3268 | ref->flags = v & 0xff; | |
3269 | } | |
3270 | else | |
3271 | { | |
3272 | ref->isym = v & 0xffffff; | |
3273 | ref->flags = (v >> 24) & 0xff; | |
3274 | } | |
046b007d TG |
3275 | } |
3276 | } | |
3af9a47b | 3277 | |
b32e07d7 TG |
3278 | if (mdata->dysymtab) |
3279 | return -1; | |
3280 | mdata->dysymtab = cmd; | |
3281 | ||
3af9a47b NC |
3282 | return 0; |
3283 | } | |
3284 | ||
a95a4550 | 3285 | static int |
ab273af8 | 3286 | bfd_mach_o_read_symtab (bfd *abfd, bfd_mach_o_load_command *command) |
3af9a47b | 3287 | { |
046b007d TG |
3288 | bfd_mach_o_symtab_command *symtab = &command->command.symtab; |
3289 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
46d1c23b | 3290 | struct mach_o_symtab_command_external raw; |
3af9a47b NC |
3291 | |
3292 | BFD_ASSERT (command->type == BFD_MACH_O_LC_SYMTAB); | |
3293 | ||
46d1c23b TG |
3294 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 |
3295 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
3af9a47b | 3296 | return -1; |
a95a4550 | 3297 | |
46d1c23b TG |
3298 | symtab->symoff = bfd_h_get_32 (abfd, raw.symoff); |
3299 | symtab->nsyms = bfd_h_get_32 (abfd, raw.nsyms); | |
3300 | symtab->stroff = bfd_h_get_32 (abfd, raw.stroff); | |
3301 | symtab->strsize = bfd_h_get_32 (abfd, raw.strsize); | |
046b007d TG |
3302 | symtab->symbols = NULL; |
3303 | symtab->strtab = NULL; | |
3af9a47b | 3304 | |
046b007d | 3305 | if (symtab->nsyms != 0) |
15e1c58a TG |
3306 | abfd->flags |= HAS_SYMS; |
3307 | ||
046b007d TG |
3308 | if (mdata->symtab) |
3309 | return -1; | |
3310 | mdata->symtab = symtab; | |
3af9a47b NC |
3311 | return 0; |
3312 | } | |
3313 | ||
15e1c58a | 3314 | static int |
ab273af8 | 3315 | bfd_mach_o_read_uuid (bfd *abfd, bfd_mach_o_load_command *command) |
15e1c58a TG |
3316 | { |
3317 | bfd_mach_o_uuid_command *cmd = &command->command.uuid; | |
15e1c58a TG |
3318 | |
3319 | BFD_ASSERT (command->type == BFD_MACH_O_LC_UUID); | |
3320 | ||
46d1c23b TG |
3321 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 |
3322 | || bfd_bread (cmd->uuid, 16, abfd) != 16) | |
15e1c58a TG |
3323 | return -1; |
3324 | ||
15e1c58a TG |
3325 | return 0; |
3326 | } | |
3327 | ||
046b007d | 3328 | static int |
ab273af8 | 3329 | bfd_mach_o_read_linkedit (bfd *abfd, bfd_mach_o_load_command *command) |
046b007d TG |
3330 | { |
3331 | bfd_mach_o_linkedit_command *cmd = &command->command.linkedit; | |
46d1c23b | 3332 | struct mach_o_linkedit_data_command_external raw; |
046b007d | 3333 | |
46d1c23b TG |
3334 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 |
3335 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
046b007d TG |
3336 | return -1; |
3337 | ||
46d1c23b TG |
3338 | cmd->dataoff = bfd_get_32 (abfd, raw.dataoff); |
3339 | cmd->datasize = bfd_get_32 (abfd, raw.datasize); | |
046b007d TG |
3340 | return 0; |
3341 | } | |
3342 | ||
3343 | static int | |
ab273af8 | 3344 | bfd_mach_o_read_str (bfd *abfd, bfd_mach_o_load_command *command) |
046b007d TG |
3345 | { |
3346 | bfd_mach_o_str_command *cmd = &command->command.str; | |
46d1c23b | 3347 | struct mach_o_str_command_external raw; |
046b007d TG |
3348 | unsigned long off; |
3349 | ||
46d1c23b TG |
3350 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 |
3351 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
046b007d TG |
3352 | return -1; |
3353 | ||
46d1c23b | 3354 | off = bfd_get_32 (abfd, raw.str); |
046b007d TG |
3355 | cmd->stroff = command->offset + off; |
3356 | cmd->str_len = command->len - off; | |
3357 | cmd->str = bfd_alloc (abfd, cmd->str_len); | |
3358 | if (cmd->str == NULL) | |
3359 | return -1; | |
3360 | if (bfd_seek (abfd, cmd->stroff, SEEK_SET) != 0 | |
91d6fa6a | 3361 | || bfd_bread ((void *) cmd->str, cmd->str_len, abfd) != cmd->str_len) |
046b007d TG |
3362 | return -1; |
3363 | return 0; | |
3364 | } | |
3365 | ||
ad86f1fb | 3366 | static int |
ab273af8 | 3367 | bfd_mach_o_read_dyld_info (bfd *abfd, bfd_mach_o_load_command *command) |
ad86f1fb TG |
3368 | { |
3369 | bfd_mach_o_dyld_info_command *cmd = &command->command.dyld_info; | |
46d1c23b | 3370 | struct mach_o_dyld_info_command_external raw; |
ad86f1fb | 3371 | |
46d1c23b TG |
3372 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 |
3373 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
ad86f1fb TG |
3374 | return -1; |
3375 | ||
46d1c23b TG |
3376 | cmd->rebase_off = bfd_get_32 (abfd, raw.rebase_off); |
3377 | cmd->rebase_size = bfd_get_32 (abfd, raw.rebase_size); | |
3378 | cmd->bind_off = bfd_get_32 (abfd, raw.bind_off); | |
3379 | cmd->bind_size = bfd_get_32 (abfd, raw.bind_size); | |
3380 | cmd->weak_bind_off = bfd_get_32 (abfd, raw.weak_bind_off); | |
3381 | cmd->weak_bind_size = bfd_get_32 (abfd, raw.weak_bind_size); | |
3382 | cmd->lazy_bind_off = bfd_get_32 (abfd, raw.lazy_bind_off); | |
3383 | cmd->lazy_bind_size = bfd_get_32 (abfd, raw.lazy_bind_size); | |
3384 | cmd->export_off = bfd_get_32 (abfd, raw.export_off); | |
3385 | cmd->export_size = bfd_get_32 (abfd, raw.export_size); | |
ad86f1fb TG |
3386 | return 0; |
3387 | } | |
3388 | ||
edbdea0e TG |
3389 | static bfd_boolean |
3390 | bfd_mach_o_read_version_min (bfd *abfd, bfd_mach_o_load_command *command) | |
3391 | { | |
3392 | bfd_mach_o_version_min_command *cmd = &command->command.version_min; | |
3393 | struct mach_o_version_min_command_external raw; | |
3394 | unsigned int ver; | |
3395 | ||
3396 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 | |
3397 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
3398 | return FALSE; | |
3399 | ||
3400 | ver = bfd_get_32 (abfd, raw.version); | |
3401 | cmd->rel = ver >> 16; | |
3402 | cmd->maj = ver >> 8; | |
3403 | cmd->min = ver; | |
3404 | cmd->reserved = bfd_get_32 (abfd, raw.reserved); | |
3405 | return TRUE; | |
3406 | } | |
3407 | ||
3af9a47b | 3408 | static int |
ab273af8 TG |
3409 | bfd_mach_o_read_segment (bfd *abfd, |
3410 | bfd_mach_o_load_command *command, | |
3411 | unsigned int wide) | |
3af9a47b | 3412 | { |
3af9a47b NC |
3413 | bfd_mach_o_segment_command *seg = &command->command.segment; |
3414 | unsigned long i; | |
a95a4550 | 3415 | |
1e8a024a TG |
3416 | if (wide) |
3417 | { | |
46d1c23b TG |
3418 | struct mach_o_segment_command_64_external raw; |
3419 | ||
1e8a024a | 3420 | BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT_64); |
3af9a47b | 3421 | |
46d1c23b TG |
3422 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 |
3423 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
3424 | return -1; | |
3af9a47b | 3425 | |
46d1c23b | 3426 | memcpy (seg->segname, raw.segname, 16); |
15e1c58a | 3427 | seg->segname[16] = '\0'; |
1e8a024a | 3428 | |
46d1c23b TG |
3429 | seg->vmaddr = bfd_h_get_64 (abfd, raw.vmaddr); |
3430 | seg->vmsize = bfd_h_get_64 (abfd, raw.vmsize); | |
3431 | seg->fileoff = bfd_h_get_64 (abfd, raw.fileoff); | |
3432 | seg->filesize = bfd_h_get_64 (abfd, raw.filesize); | |
3433 | seg->maxprot = bfd_h_get_32 (abfd, raw.maxprot); | |
3434 | seg->initprot = bfd_h_get_32 (abfd, raw.initprot); | |
3435 | seg->nsects = bfd_h_get_32 (abfd, raw.nsects); | |
3436 | seg->flags = bfd_h_get_32 (abfd, raw.flags); | |
1e8a024a TG |
3437 | } |
3438 | else | |
3439 | { | |
46d1c23b TG |
3440 | struct mach_o_segment_command_32_external raw; |
3441 | ||
1e8a024a TG |
3442 | BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT); |
3443 | ||
46d1c23b TG |
3444 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 |
3445 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
3446 | return -1; | |
1e8a024a | 3447 | |
46d1c23b | 3448 | memcpy (seg->segname, raw.segname, 16); |
15e1c58a | 3449 | seg->segname[16] = '\0'; |
1e8a024a | 3450 | |
46d1c23b TG |
3451 | seg->vmaddr = bfd_h_get_32 (abfd, raw.vmaddr); |
3452 | seg->vmsize = bfd_h_get_32 (abfd, raw.vmsize); | |
3453 | seg->fileoff = bfd_h_get_32 (abfd, raw.fileoff); | |
3454 | seg->filesize = bfd_h_get_32 (abfd, raw.filesize); | |
3455 | seg->maxprot = bfd_h_get_32 (abfd, raw.maxprot); | |
3456 | seg->initprot = bfd_h_get_32 (abfd, raw.initprot); | |
3457 | seg->nsects = bfd_h_get_32 (abfd, raw.nsects); | |
3458 | seg->flags = bfd_h_get_32 (abfd, raw.flags); | |
1e8a024a | 3459 | } |
9d4b6009 TG |
3460 | seg->sect_head = NULL; |
3461 | seg->sect_tail = NULL; | |
3af9a47b | 3462 | |
f1bde64c | 3463 | for (i = 0; i < seg->nsects; i++) |
3af9a47b | 3464 | { |
f1bde64c TG |
3465 | bfd_vma segoff; |
3466 | asection *sec; | |
a95a4550 | 3467 | |
f1bde64c TG |
3468 | if (wide) |
3469 | segoff = command->offset + BFD_MACH_O_LC_SEGMENT_64_SIZE | |
3470 | + (i * BFD_MACH_O_SECTION_64_SIZE); | |
3471 | else | |
3472 | segoff = command->offset + BFD_MACH_O_LC_SEGMENT_SIZE | |
3473 | + (i * BFD_MACH_O_SECTION_SIZE); | |
3af9a47b | 3474 | |
f1bde64c TG |
3475 | sec = bfd_mach_o_read_section (abfd, segoff, seg->initprot, wide); |
3476 | if (sec == NULL) | |
3477 | return -1; | |
3478 | ||
3479 | bfd_mach_o_append_section_to_segment (seg, sec); | |
3af9a47b NC |
3480 | } |
3481 | ||
3482 | return 0; | |
3483 | } | |
3484 | ||
1e8a024a | 3485 | static int |
ab273af8 | 3486 | bfd_mach_o_read_segment_32 (bfd *abfd, bfd_mach_o_load_command *command) |
1e8a024a | 3487 | { |
ab273af8 | 3488 | return bfd_mach_o_read_segment (abfd, command, 0); |
1e8a024a TG |
3489 | } |
3490 | ||
3491 | static int | |
ab273af8 | 3492 | bfd_mach_o_read_segment_64 (bfd *abfd, bfd_mach_o_load_command *command) |
1e8a024a | 3493 | { |
ab273af8 | 3494 | return bfd_mach_o_read_segment (abfd, command, 1); |
1e8a024a TG |
3495 | } |
3496 | ||
3af9a47b | 3497 | static int |
ab273af8 | 3498 | bfd_mach_o_read_command (bfd *abfd, bfd_mach_o_load_command *command) |
3af9a47b | 3499 | { |
46d1c23b TG |
3500 | struct mach_o_load_command_external raw; |
3501 | unsigned int cmd; | |
3af9a47b | 3502 | |
046b007d | 3503 | /* Read command type and length. */ |
c2f09c75 | 3504 | if (bfd_seek (abfd, command->offset, SEEK_SET) != 0 |
46d1c23b | 3505 | || bfd_bread (&raw, BFD_MACH_O_LC_SIZE, abfd) != BFD_MACH_O_LC_SIZE) |
3af9a47b NC |
3506 | return -1; |
3507 | ||
46d1c23b TG |
3508 | cmd = bfd_h_get_32 (abfd, raw.cmd); |
3509 | command->type = cmd & ~BFD_MACH_O_LC_REQ_DYLD; | |
3510 | command->type_required = cmd & BFD_MACH_O_LC_REQ_DYLD ? TRUE : FALSE; | |
3511 | command->len = bfd_h_get_32 (abfd, raw.cmdsize); | |
3af9a47b NC |
3512 | |
3513 | switch (command->type) | |
3514 | { | |
3515 | case BFD_MACH_O_LC_SEGMENT: | |
ab273af8 | 3516 | if (bfd_mach_o_read_segment_32 (abfd, command) != 0) |
1e8a024a TG |
3517 | return -1; |
3518 | break; | |
3519 | case BFD_MACH_O_LC_SEGMENT_64: | |
ab273af8 | 3520 | if (bfd_mach_o_read_segment_64 (abfd, command) != 0) |
3af9a47b NC |
3521 | return -1; |
3522 | break; | |
3523 | case BFD_MACH_O_LC_SYMTAB: | |
ab273af8 | 3524 | if (bfd_mach_o_read_symtab (abfd, command) != 0) |
3af9a47b NC |
3525 | return -1; |
3526 | break; | |
3527 | case BFD_MACH_O_LC_SYMSEG: | |
3528 | break; | |
3529 | case BFD_MACH_O_LC_THREAD: | |
3530 | case BFD_MACH_O_LC_UNIXTHREAD: | |
ab273af8 | 3531 | if (bfd_mach_o_read_thread (abfd, command) != 0) |
3af9a47b NC |
3532 | return -1; |
3533 | break; | |
3534 | case BFD_MACH_O_LC_LOAD_DYLINKER: | |
3535 | case BFD_MACH_O_LC_ID_DYLINKER: | |
ab273af8 | 3536 | if (bfd_mach_o_read_dylinker (abfd, command) != 0) |
3af9a47b NC |
3537 | return -1; |
3538 | break; | |
3539 | case BFD_MACH_O_LC_LOAD_DYLIB: | |
3540 | case BFD_MACH_O_LC_ID_DYLIB: | |
3541 | case BFD_MACH_O_LC_LOAD_WEAK_DYLIB: | |
046b007d | 3542 | case BFD_MACH_O_LC_REEXPORT_DYLIB: |
73017762 | 3543 | case BFD_MACH_O_LC_LOAD_UPWARD_DYLIB: |
ab273af8 | 3544 | if (bfd_mach_o_read_dylib (abfd, command) != 0) |
3af9a47b NC |
3545 | return -1; |
3546 | break; | |
3547 | case BFD_MACH_O_LC_PREBOUND_DYLIB: | |
ab273af8 | 3548 | if (bfd_mach_o_read_prebound_dylib (abfd, command) != 0) |
3af9a47b NC |
3549 | return -1; |
3550 | break; | |
3551 | case BFD_MACH_O_LC_LOADFVMLIB: | |
3552 | case BFD_MACH_O_LC_IDFVMLIB: | |
3553 | case BFD_MACH_O_LC_IDENT: | |
3554 | case BFD_MACH_O_LC_FVMFILE: | |
3555 | case BFD_MACH_O_LC_PREPAGE: | |
3556 | case BFD_MACH_O_LC_ROUTINES: | |
9b02d212 | 3557 | case BFD_MACH_O_LC_ROUTINES_64: |
046b007d | 3558 | break; |
3af9a47b | 3559 | case BFD_MACH_O_LC_SUB_FRAMEWORK: |
046b007d TG |
3560 | case BFD_MACH_O_LC_SUB_UMBRELLA: |
3561 | case BFD_MACH_O_LC_SUB_LIBRARY: | |
3562 | case BFD_MACH_O_LC_SUB_CLIENT: | |
0c9b2b4c | 3563 | case BFD_MACH_O_LC_RPATH: |
ab273af8 | 3564 | if (bfd_mach_o_read_str (abfd, command) != 0) |
046b007d | 3565 | return -1; |
3af9a47b NC |
3566 | break; |
3567 | case BFD_MACH_O_LC_DYSYMTAB: | |
ab273af8 | 3568 | if (bfd_mach_o_read_dysymtab (abfd, command) != 0) |
3af9a47b NC |
3569 | return -1; |
3570 | break; | |
3af9a47b NC |
3571 | case BFD_MACH_O_LC_TWOLEVEL_HINTS: |
3572 | case BFD_MACH_O_LC_PREBIND_CKSUM: | |
3573 | break; | |
15e1c58a | 3574 | case BFD_MACH_O_LC_UUID: |
ab273af8 | 3575 | if (bfd_mach_o_read_uuid (abfd, command) != 0) |
15e1c58a TG |
3576 | return -1; |
3577 | break; | |
3578 | case BFD_MACH_O_LC_CODE_SIGNATURE: | |
846b9259 | 3579 | case BFD_MACH_O_LC_SEGMENT_SPLIT_INFO: |
edbdea0e | 3580 | case BFD_MACH_O_LC_FUNCTION_STARTS: |
ab273af8 | 3581 | if (bfd_mach_o_read_linkedit (abfd, command) != 0) |
046b007d | 3582 | return -1; |
15e1c58a | 3583 | break; |
ad86f1fb | 3584 | case BFD_MACH_O_LC_DYLD_INFO: |
ab273af8 | 3585 | if (bfd_mach_o_read_dyld_info (abfd, command) != 0) |
ad86f1fb TG |
3586 | return -1; |
3587 | break; | |
edbdea0e TG |
3588 | case BFD_MACH_O_LC_VERSION_MIN_MACOSX: |
3589 | case BFD_MACH_O_LC_VERSION_MIN_IPHONEOS: | |
3590 | if (!bfd_mach_o_read_version_min (abfd, command)) | |
3591 | return -1; | |
3592 | break; | |
3af9a47b | 3593 | default: |
c0d9d051 TG |
3594 | (*_bfd_error_handler)(_("%B: unable to read unknown load command 0x%lx"), |
3595 | abfd, (unsigned long) command->type); | |
3af9a47b NC |
3596 | break; |
3597 | } | |
3598 | ||
3599 | return 0; | |
3600 | } | |
3601 | ||
3602 | static void | |
116c20d2 | 3603 | bfd_mach_o_flatten_sections (bfd *abfd) |
3af9a47b | 3604 | { |
046b007d | 3605 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
3af9a47b | 3606 | long csect = 0; |
f1bde64c | 3607 | unsigned long i; |
a95a4550 | 3608 | |
15e1c58a | 3609 | /* Count total number of sections. */ |
3af9a47b NC |
3610 | mdata->nsects = 0; |
3611 | ||
3612 | for (i = 0; i < mdata->header.ncmds; i++) | |
3613 | { | |
1e8a024a TG |
3614 | if (mdata->commands[i].type == BFD_MACH_O_LC_SEGMENT |
3615 | || mdata->commands[i].type == BFD_MACH_O_LC_SEGMENT_64) | |
3af9a47b | 3616 | { |
e84d6fca AM |
3617 | bfd_mach_o_segment_command *seg; |
3618 | ||
3619 | seg = &mdata->commands[i].command.segment; | |
3af9a47b NC |
3620 | mdata->nsects += seg->nsects; |
3621 | } | |
3622 | } | |
3623 | ||
15e1c58a | 3624 | /* Allocate sections array. */ |
e84d6fca AM |
3625 | mdata->sections = bfd_alloc (abfd, |
3626 | mdata->nsects * sizeof (bfd_mach_o_section *)); | |
15e1c58a TG |
3627 | |
3628 | /* Fill the array. */ | |
3af9a47b NC |
3629 | csect = 0; |
3630 | ||
3631 | for (i = 0; i < mdata->header.ncmds; i++) | |
3632 | { | |
1e8a024a TG |
3633 | if (mdata->commands[i].type == BFD_MACH_O_LC_SEGMENT |
3634 | || mdata->commands[i].type == BFD_MACH_O_LC_SEGMENT_64) | |
3af9a47b | 3635 | { |
e84d6fca | 3636 | bfd_mach_o_segment_command *seg; |
f1bde64c | 3637 | bfd_mach_o_section *sec; |
3af9a47b | 3638 | |
e84d6fca | 3639 | seg = &mdata->commands[i].command.segment; |
3af9a47b NC |
3640 | BFD_ASSERT (csect + seg->nsects <= mdata->nsects); |
3641 | ||
f1bde64c TG |
3642 | for (sec = seg->sect_head; sec != NULL; sec = sec->next) |
3643 | mdata->sections[csect++] = sec; | |
3af9a47b NC |
3644 | } |
3645 | } | |
3646 | } | |
3647 | ||
afbb9e17 | 3648 | static bfd_boolean |
116c20d2 | 3649 | bfd_mach_o_scan_start_address (bfd *abfd) |
3af9a47b | 3650 | { |
046b007d | 3651 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
3af9a47b NC |
3652 | bfd_mach_o_thread_command *cmd = NULL; |
3653 | unsigned long i; | |
3654 | ||
3655 | for (i = 0; i < mdata->header.ncmds; i++) | |
afbb9e17 TG |
3656 | if ((mdata->commands[i].type == BFD_MACH_O_LC_THREAD) || |
3657 | (mdata->commands[i].type == BFD_MACH_O_LC_UNIXTHREAD)) | |
3658 | { | |
3659 | cmd = &mdata->commands[i].command.thread; | |
3660 | break; | |
3661 | } | |
3af9a47b NC |
3662 | |
3663 | if (cmd == NULL) | |
afbb9e17 | 3664 | return FALSE; |
3af9a47b | 3665 | |
afbb9e17 | 3666 | /* FIXME: create a subtarget hook ? */ |
3af9a47b NC |
3667 | for (i = 0; i < cmd->nflavours; i++) |
3668 | { | |
a95a4550 | 3669 | if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_I386) |
e84d6fca | 3670 | && (cmd->flavours[i].flavour |
15e1c58a | 3671 | == (unsigned long) BFD_MACH_O_x86_THREAD_STATE32)) |
3af9a47b NC |
3672 | { |
3673 | unsigned char buf[4]; | |
3674 | ||
c2f09c75 TG |
3675 | if (bfd_seek (abfd, cmd->flavours[i].offset + 40, SEEK_SET) != 0 |
3676 | || bfd_bread (buf, 4, abfd) != 4) | |
afbb9e17 | 3677 | return FALSE; |
3af9a47b NC |
3678 | |
3679 | abfd->start_address = bfd_h_get_32 (abfd, buf); | |
3680 | } | |
a95a4550 | 3681 | else if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_POWERPC) |
3af9a47b NC |
3682 | && (cmd->flavours[i].flavour == BFD_MACH_O_PPC_THREAD_STATE)) |
3683 | { | |
3684 | unsigned char buf[4]; | |
3685 | ||
c2f09c75 TG |
3686 | if (bfd_seek (abfd, cmd->flavours[i].offset + 0, SEEK_SET) != 0 |
3687 | || bfd_bread (buf, 4, abfd) != 4) | |
afbb9e17 | 3688 | return FALSE; |
3af9a47b NC |
3689 | |
3690 | abfd->start_address = bfd_h_get_32 (abfd, buf); | |
3691 | } | |
1e8a024a | 3692 | else if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_POWERPC_64) |
b32e07d7 | 3693 | && (cmd->flavours[i].flavour == BFD_MACH_O_PPC_THREAD_STATE64)) |
1e8a024a TG |
3694 | { |
3695 | unsigned char buf[8]; | |
3696 | ||
c2f09c75 TG |
3697 | if (bfd_seek (abfd, cmd->flavours[i].offset + 0, SEEK_SET) != 0 |
3698 | || bfd_bread (buf, 8, abfd) != 8) | |
afbb9e17 | 3699 | return FALSE; |
1e8a024a TG |
3700 | |
3701 | abfd->start_address = bfd_h_get_64 (abfd, buf); | |
3702 | } | |
3703 | else if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_X86_64) | |
3704 | && (cmd->flavours[i].flavour == BFD_MACH_O_x86_THREAD_STATE64)) | |
3705 | { | |
3706 | unsigned char buf[8]; | |
3707 | ||
c2f09c75 TG |
3708 | if (bfd_seek (abfd, cmd->flavours[i].offset + (16 * 8), SEEK_SET) != 0 |
3709 | || bfd_bread (buf, 8, abfd) != 8) | |
afbb9e17 | 3710 | return FALSE; |
1e8a024a TG |
3711 | |
3712 | abfd->start_address = bfd_h_get_64 (abfd, buf); | |
3713 | } | |
3af9a47b NC |
3714 | } |
3715 | ||
afbb9e17 | 3716 | return TRUE; |
3af9a47b NC |
3717 | } |
3718 | ||
42fa0891 TG |
3719 | bfd_boolean |
3720 | bfd_mach_o_set_arch_mach (bfd *abfd, | |
3721 | enum bfd_architecture arch, | |
3722 | unsigned long machine) | |
3723 | { | |
3724 | bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd); | |
3725 | ||
3726 | /* If this isn't the right architecture for this backend, and this | |
3727 | isn't the generic backend, fail. */ | |
3728 | if (arch != bed->arch | |
3729 | && arch != bfd_arch_unknown | |
3730 | && bed->arch != bfd_arch_unknown) | |
3731 | return FALSE; | |
3732 | ||
3733 | return bfd_default_set_arch_mach (abfd, arch, machine); | |
3734 | } | |
3735 | ||
afbb9e17 | 3736 | static bfd_boolean |
116c20d2 NC |
3737 | bfd_mach_o_scan (bfd *abfd, |
3738 | bfd_mach_o_header *header, | |
3739 | bfd_mach_o_data_struct *mdata) | |
3af9a47b NC |
3740 | { |
3741 | unsigned int i; | |
3af9a47b NC |
3742 | enum bfd_architecture cputype; |
3743 | unsigned long cpusubtype; | |
1e8a024a TG |
3744 | unsigned int hdrsize; |
3745 | ||
c2f09c75 | 3746 | hdrsize = mach_o_wide_p (header) ? |
154a1ee5 | 3747 | BFD_MACH_O_HEADER_64_SIZE : BFD_MACH_O_HEADER_SIZE; |
3af9a47b | 3748 | |
3af9a47b | 3749 | mdata->header = *header; |
3af9a47b | 3750 | |
154a1ee5 | 3751 | abfd->flags = abfd->flags & BFD_IN_MEMORY; |
15e1c58a TG |
3752 | switch (header->filetype) |
3753 | { | |
3754 | case BFD_MACH_O_MH_OBJECT: | |
3755 | abfd->flags |= HAS_RELOC; | |
3756 | break; | |
3757 | case BFD_MACH_O_MH_EXECUTE: | |
3758 | abfd->flags |= EXEC_P; | |
3759 | break; | |
3760 | case BFD_MACH_O_MH_DYLIB: | |
3761 | case BFD_MACH_O_MH_BUNDLE: | |
3762 | abfd->flags |= DYNAMIC; | |
3763 | break; | |
3764 | } | |
3765 | ||
3af9a47b NC |
3766 | abfd->tdata.mach_o_data = mdata; |
3767 | ||
e84d6fca AM |
3768 | bfd_mach_o_convert_architecture (header->cputype, header->cpusubtype, |
3769 | &cputype, &cpusubtype); | |
3af9a47b NC |
3770 | if (cputype == bfd_arch_unknown) |
3771 | { | |
afbb9e17 TG |
3772 | (*_bfd_error_handler) |
3773 | (_("bfd_mach_o_scan: unknown architecture 0x%lx/0x%lx"), | |
3774 | header->cputype, header->cpusubtype); | |
3775 | return FALSE; | |
3af9a47b NC |
3776 | } |
3777 | ||
3778 | bfd_set_arch_mach (abfd, cputype, cpusubtype); | |
a95a4550 | 3779 | |
3af9a47b NC |
3780 | if (header->ncmds != 0) |
3781 | { | |
046b007d TG |
3782 | mdata->commands = bfd_alloc |
3783 | (abfd, header->ncmds * sizeof (bfd_mach_o_load_command)); | |
3af9a47b | 3784 | if (mdata->commands == NULL) |
afbb9e17 | 3785 | return FALSE; |
a95a4550 | 3786 | |
3af9a47b NC |
3787 | for (i = 0; i < header->ncmds; i++) |
3788 | { | |
3789 | bfd_mach_o_load_command *cur = &mdata->commands[i]; | |
3790 | ||
3791 | if (i == 0) | |
1e8a024a | 3792 | cur->offset = hdrsize; |
3af9a47b NC |
3793 | else |
3794 | { | |
3795 | bfd_mach_o_load_command *prev = &mdata->commands[i - 1]; | |
3796 | cur->offset = prev->offset + prev->len; | |
3797 | } | |
3798 | ||
ab273af8 | 3799 | if (bfd_mach_o_read_command (abfd, cur) < 0) |
afbb9e17 | 3800 | return FALSE; |
a95a4550 | 3801 | } |
3af9a47b NC |
3802 | } |
3803 | ||
3804 | if (bfd_mach_o_scan_start_address (abfd) < 0) | |
afbb9e17 | 3805 | return FALSE; |
3af9a47b NC |
3806 | |
3807 | bfd_mach_o_flatten_sections (abfd); | |
afbb9e17 | 3808 | return TRUE; |
3af9a47b NC |
3809 | } |
3810 | ||
b34976b6 | 3811 | bfd_boolean |
154a1ee5 | 3812 | bfd_mach_o_mkobject_init (bfd *abfd) |
3af9a47b NC |
3813 | { |
3814 | bfd_mach_o_data_struct *mdata = NULL; | |
3815 | ||
116c20d2 | 3816 | mdata = bfd_alloc (abfd, sizeof (bfd_mach_o_data_struct)); |
3af9a47b | 3817 | if (mdata == NULL) |
b34976b6 | 3818 | return FALSE; |
3af9a47b NC |
3819 | abfd->tdata.mach_o_data = mdata; |
3820 | ||
3821 | mdata->header.magic = 0; | |
3822 | mdata->header.cputype = 0; | |
3823 | mdata->header.cpusubtype = 0; | |
3824 | mdata->header.filetype = 0; | |
3825 | mdata->header.ncmds = 0; | |
3826 | mdata->header.sizeofcmds = 0; | |
3827 | mdata->header.flags = 0; | |
3828 | mdata->header.byteorder = BFD_ENDIAN_UNKNOWN; | |
3829 | mdata->commands = NULL; | |
3af9a47b NC |
3830 | mdata->nsects = 0; |
3831 | mdata->sections = NULL; | |
4434114c | 3832 | mdata->dyn_reloc_cache = NULL; |
3af9a47b | 3833 | |
b34976b6 | 3834 | return TRUE; |
3af9a47b NC |
3835 | } |
3836 | ||
42fa0891 TG |
3837 | static bfd_boolean |
3838 | bfd_mach_o_gen_mkobject (bfd *abfd) | |
3839 | { | |
3840 | bfd_mach_o_data_struct *mdata; | |
3841 | ||
3842 | if (!bfd_mach_o_mkobject_init (abfd)) | |
3843 | return FALSE; | |
3844 | ||
3845 | mdata = bfd_mach_o_get_data (abfd); | |
3846 | mdata->header.magic = BFD_MACH_O_MH_MAGIC; | |
3847 | mdata->header.cputype = 0; | |
3848 | mdata->header.cpusubtype = 0; | |
3849 | mdata->header.byteorder = abfd->xvec->byteorder; | |
3850 | mdata->header.version = 1; | |
3851 | ||
3852 | return TRUE; | |
3853 | } | |
3854 | ||
3af9a47b | 3855 | const bfd_target * |
154a1ee5 TG |
3856 | bfd_mach_o_header_p (bfd *abfd, |
3857 | bfd_mach_o_filetype filetype, | |
3858 | bfd_mach_o_cpu_type cputype) | |
3af9a47b | 3859 | { |
e84d6fca | 3860 | struct bfd_preserve preserve; |
3af9a47b NC |
3861 | bfd_mach_o_header header; |
3862 | ||
e84d6fca | 3863 | preserve.marker = NULL; |
154a1ee5 | 3864 | if (!bfd_mach_o_read_header (abfd, &header)) |
e84d6fca | 3865 | goto wrong; |
3af9a47b | 3866 | |
e84d6fca AM |
3867 | if (! (header.byteorder == BFD_ENDIAN_BIG |
3868 | || header.byteorder == BFD_ENDIAN_LITTLE)) | |
3af9a47b | 3869 | { |
4a97a0e5 AM |
3870 | (*_bfd_error_handler) (_("unknown header byte-order value 0x%lx"), |
3871 | (unsigned long) header.byteorder); | |
e84d6fca | 3872 | goto wrong; |
3af9a47b NC |
3873 | } |
3874 | ||
e84d6fca AM |
3875 | if (! ((header.byteorder == BFD_ENDIAN_BIG |
3876 | && abfd->xvec->byteorder == BFD_ENDIAN_BIG | |
3877 | && abfd->xvec->header_byteorder == BFD_ENDIAN_BIG) | |
3878 | || (header.byteorder == BFD_ENDIAN_LITTLE | |
3879 | && abfd->xvec->byteorder == BFD_ENDIAN_LITTLE | |
3880 | && abfd->xvec->header_byteorder == BFD_ENDIAN_LITTLE))) | |
3881 | goto wrong; | |
3af9a47b | 3882 | |
154a1ee5 TG |
3883 | /* Check cputype and filetype. |
3884 | In case of wildcard, do not accept magics that are handled by existing | |
3885 | targets. */ | |
3886 | if (cputype) | |
3887 | { | |
3888 | if (header.cputype != cputype) | |
3889 | goto wrong; | |
3890 | } | |
154a1ee5 TG |
3891 | if (filetype) |
3892 | { | |
3893 | if (header.filetype != filetype) | |
3894 | goto wrong; | |
3895 | } | |
3896 | else | |
3897 | { | |
3898 | switch (header.filetype) | |
3899 | { | |
3900 | case BFD_MACH_O_MH_CORE: | |
3901 | /* Handled by core_p */ | |
3902 | goto wrong; | |
3903 | default: | |
3904 | break; | |
3905 | } | |
3906 | } | |
3907 | ||
e84d6fca AM |
3908 | preserve.marker = bfd_zalloc (abfd, sizeof (bfd_mach_o_data_struct)); |
3909 | if (preserve.marker == NULL | |
3910 | || !bfd_preserve_save (abfd, &preserve)) | |
3911 | goto fail; | |
3af9a47b | 3912 | |
afbb9e17 TG |
3913 | if (!bfd_mach_o_scan (abfd, &header, |
3914 | (bfd_mach_o_data_struct *) preserve.marker)) | |
e84d6fca | 3915 | goto wrong; |
a95a4550 | 3916 | |
e84d6fca | 3917 | bfd_preserve_finish (abfd, &preserve); |
3af9a47b | 3918 | return abfd->xvec; |
e84d6fca AM |
3919 | |
3920 | wrong: | |
3921 | bfd_set_error (bfd_error_wrong_format); | |
3922 | ||
3923 | fail: | |
3924 | if (preserve.marker != NULL) | |
3925 | bfd_preserve_restore (abfd, &preserve); | |
3926 | return NULL; | |
3af9a47b NC |
3927 | } |
3928 | ||
154a1ee5 TG |
3929 | static const bfd_target * |
3930 | bfd_mach_o_gen_object_p (bfd *abfd) | |
3af9a47b | 3931 | { |
154a1ee5 TG |
3932 | return bfd_mach_o_header_p (abfd, 0, 0); |
3933 | } | |
e84d6fca | 3934 | |
154a1ee5 TG |
3935 | static const bfd_target * |
3936 | bfd_mach_o_gen_core_p (bfd *abfd) | |
3937 | { | |
3938 | return bfd_mach_o_header_p (abfd, BFD_MACH_O_MH_CORE, 0); | |
3af9a47b NC |
3939 | } |
3940 | ||
3941 | typedef struct mach_o_fat_archentry | |
3942 | { | |
3943 | unsigned long cputype; | |
3944 | unsigned long cpusubtype; | |
3945 | unsigned long offset; | |
3946 | unsigned long size; | |
3947 | unsigned long align; | |
3af9a47b NC |
3948 | } mach_o_fat_archentry; |
3949 | ||
3950 | typedef struct mach_o_fat_data_struct | |
3951 | { | |
3952 | unsigned long magic; | |
3953 | unsigned long nfat_arch; | |
3954 | mach_o_fat_archentry *archentries; | |
3955 | } mach_o_fat_data_struct; | |
3956 | ||
3957 | const bfd_target * | |
116c20d2 | 3958 | bfd_mach_o_archive_p (bfd *abfd) |
3af9a47b | 3959 | { |
e84d6fca | 3960 | mach_o_fat_data_struct *adata = NULL; |
46d1c23b | 3961 | struct mach_o_fat_header_external hdr; |
3af9a47b NC |
3962 | unsigned long i; |
3963 | ||
c2f09c75 | 3964 | if (bfd_seek (abfd, 0, SEEK_SET) != 0 |
46d1c23b | 3965 | || bfd_bread (&hdr, sizeof (hdr), abfd) != sizeof (hdr)) |
e84d6fca | 3966 | goto error; |
3af9a47b | 3967 | |
116c20d2 | 3968 | adata = bfd_alloc (abfd, sizeof (mach_o_fat_data_struct)); |
3af9a47b | 3969 | if (adata == NULL) |
e84d6fca | 3970 | goto error; |
a95a4550 | 3971 | |
46d1c23b TG |
3972 | adata->magic = bfd_getb32 (hdr.magic); |
3973 | adata->nfat_arch = bfd_getb32 (hdr.nfat_arch); | |
3af9a47b | 3974 | if (adata->magic != 0xcafebabe) |
e84d6fca | 3975 | goto error; |
27cc28f9 AS |
3976 | /* Avoid matching Java bytecode files, which have the same magic number. |
3977 | In the Java bytecode file format this field contains the JVM version, | |
3978 | which starts at 43.0. */ | |
3979 | if (adata->nfat_arch > 30) | |
3980 | goto error; | |
3af9a47b | 3981 | |
c2f09c75 | 3982 | adata->archentries = |
3af9a47b NC |
3983 | bfd_alloc (abfd, adata->nfat_arch * sizeof (mach_o_fat_archentry)); |
3984 | if (adata->archentries == NULL) | |
e84d6fca | 3985 | goto error; |
3af9a47b NC |
3986 | |
3987 | for (i = 0; i < adata->nfat_arch; i++) | |
3988 | { | |
46d1c23b TG |
3989 | struct mach_o_fat_arch_external arch; |
3990 | if (bfd_bread (&arch, sizeof (arch), abfd) != sizeof (arch)) | |
e84d6fca | 3991 | goto error; |
46d1c23b TG |
3992 | adata->archentries[i].cputype = bfd_getb32 (arch.cputype); |
3993 | adata->archentries[i].cpusubtype = bfd_getb32 (arch.cpusubtype); | |
3994 | adata->archentries[i].offset = bfd_getb32 (arch.offset); | |
3995 | adata->archentries[i].size = bfd_getb32 (arch.size); | |
3996 | adata->archentries[i].align = bfd_getb32 (arch.align); | |
3af9a47b NC |
3997 | } |
3998 | ||
3999 | abfd->tdata.mach_o_fat_data = adata; | |
4000 | return abfd->xvec; | |
e84d6fca AM |
4001 | |
4002 | error: | |
4003 | if (adata != NULL) | |
4004 | bfd_release (abfd, adata); | |
4005 | bfd_set_error (bfd_error_wrong_format); | |
4006 | return NULL; | |
3af9a47b NC |
4007 | } |
4008 | ||
4009 | bfd * | |
116c20d2 | 4010 | bfd_mach_o_openr_next_archived_file (bfd *archive, bfd *prev) |
3af9a47b | 4011 | { |
e84d6fca | 4012 | mach_o_fat_data_struct *adata; |
3af9a47b NC |
4013 | mach_o_fat_archentry *entry = NULL; |
4014 | unsigned long i; | |
15e1c58a | 4015 | bfd *nbfd; |
15e1c58a TG |
4016 | enum bfd_architecture arch_type; |
4017 | unsigned long arch_subtype; | |
3af9a47b | 4018 | |
e84d6fca | 4019 | adata = (mach_o_fat_data_struct *) archive->tdata.mach_o_fat_data; |
3af9a47b NC |
4020 | BFD_ASSERT (adata != NULL); |
4021 | ||
4022 | /* Find index of previous entry. */ | |
4023 | if (prev == NULL) | |
4024 | i = 0; /* Start at first one. */ | |
4025 | else | |
4026 | { | |
4027 | for (i = 0; i < adata->nfat_arch; i++) | |
4028 | { | |
15e1c58a | 4029 | if (adata->archentries[i].offset == prev->origin) |
3af9a47b NC |
4030 | break; |
4031 | } | |
4032 | ||
4033 | if (i == adata->nfat_arch) | |
4034 | { | |
4035 | /* Not found. */ | |
4036 | bfd_set_error (bfd_error_bad_value); | |
a95a4550 | 4037 | return NULL; |
3af9a47b NC |
4038 | } |
4039 | i++; /* Get next entry. */ | |
4040 | } | |
a95a4550 | 4041 | |
3af9a47b NC |
4042 | if (i >= adata->nfat_arch) |
4043 | { | |
4044 | bfd_set_error (bfd_error_no_more_archived_files); | |
4045 | return NULL; | |
4046 | } | |
4047 | ||
4048 | entry = &adata->archentries[i]; | |
15e1c58a TG |
4049 | nbfd = _bfd_new_bfd_contained_in (archive); |
4050 | if (nbfd == NULL) | |
4051 | return NULL; | |
4052 | ||
4053 | nbfd->origin = entry->offset; | |
4054 | ||
4055 | bfd_mach_o_convert_architecture (entry->cputype, entry->cpusubtype, | |
4056 | &arch_type, &arch_subtype); | |
846b9259 | 4057 | |
c0d9d051 TG |
4058 | /* Create the member filename. Use ARCH_NAME. */ |
4059 | nbfd->filename = bfd_printable_arch_mach (arch_type, arch_subtype); | |
15e1c58a | 4060 | nbfd->iostream = NULL; |
846b9259 | 4061 | bfd_set_arch_mach (nbfd, arch_type, arch_subtype); |
3af9a47b | 4062 | |
15e1c58a | 4063 | return nbfd; |
3af9a47b NC |
4064 | } |
4065 | ||
846b9259 TG |
4066 | /* If ABFD format is FORMAT and architecture is ARCH, return it. |
4067 | If ABFD is a fat image containing a member that corresponds to FORMAT | |
4068 | and ARCH, returns it. | |
4069 | In other case, returns NULL. | |
4070 | This function allows transparent uses of fat images. */ | |
4071 | bfd * | |
4072 | bfd_mach_o_fat_extract (bfd *abfd, | |
4073 | bfd_format format, | |
4074 | const bfd_arch_info_type *arch) | |
4075 | { | |
4076 | bfd *res; | |
4077 | mach_o_fat_data_struct *adata; | |
4078 | unsigned int i; | |
4079 | ||
4080 | if (bfd_check_format (abfd, format)) | |
4081 | { | |
4082 | if (bfd_get_arch_info (abfd) == arch) | |
4083 | return abfd; | |
4084 | return NULL; | |
4085 | } | |
4086 | if (!bfd_check_format (abfd, bfd_archive) | |
4087 | || abfd->xvec != &mach_o_fat_vec) | |
4088 | return NULL; | |
c2f09c75 | 4089 | |
846b9259 TG |
4090 | /* This is a Mach-O fat image. */ |
4091 | adata = (mach_o_fat_data_struct *) abfd->tdata.mach_o_fat_data; | |
4092 | BFD_ASSERT (adata != NULL); | |
4093 | ||
4094 | for (i = 0; i < adata->nfat_arch; i++) | |
4095 | { | |
4096 | struct mach_o_fat_archentry *e = &adata->archentries[i]; | |
4097 | enum bfd_architecture cpu_type; | |
4098 | unsigned long cpu_subtype; | |
4099 | ||
4100 | bfd_mach_o_convert_architecture (e->cputype, e->cpusubtype, | |
4101 | &cpu_type, &cpu_subtype); | |
4102 | if (cpu_type != arch->arch || cpu_subtype != arch->mach) | |
4103 | continue; | |
4104 | ||
4105 | /* The architecture is found. */ | |
4106 | res = _bfd_new_bfd_contained_in (abfd); | |
4107 | if (res == NULL) | |
4108 | return NULL; | |
4109 | ||
4110 | res->origin = e->offset; | |
4111 | ||
c0d9d051 | 4112 | res->filename = bfd_printable_arch_mach (cpu_type, cpu_subtype); |
846b9259 TG |
4113 | res->iostream = NULL; |
4114 | ||
4115 | if (bfd_check_format (res, format)) | |
4116 | { | |
4117 | BFD_ASSERT (bfd_get_arch_info (res) == arch); | |
4118 | return res; | |
4119 | } | |
4120 | bfd_close (res); | |
4121 | return NULL; | |
4122 | } | |
4123 | ||
4124 | return NULL; | |
4125 | } | |
4126 | ||
3af9a47b | 4127 | int |
116c20d2 NC |
4128 | bfd_mach_o_lookup_command (bfd *abfd, |
4129 | bfd_mach_o_load_command_type type, | |
4130 | bfd_mach_o_load_command **mcommand) | |
3af9a47b | 4131 | { |
046b007d | 4132 | struct mach_o_data_struct *md = bfd_mach_o_get_data (abfd); |
3af9a47b NC |
4133 | bfd_mach_o_load_command *ncmd = NULL; |
4134 | unsigned int i, num; | |
4135 | ||
3af9a47b NC |
4136 | BFD_ASSERT (md != NULL); |
4137 | BFD_ASSERT (mcommand != NULL); | |
4138 | ||
4139 | num = 0; | |
4140 | for (i = 0; i < md->header.ncmds; i++) | |
4141 | { | |
4142 | struct bfd_mach_o_load_command *cmd = &md->commands[i]; | |
4143 | ||
4144 | if (cmd->type != type) | |
4145 | continue; | |
4146 | ||
4147 | if (num == 0) | |
4148 | ncmd = cmd; | |
4149 | num++; | |
4150 | } | |
4151 | ||
4152 | *mcommand = ncmd; | |
4153 | return num; | |
4154 | } | |
4155 | ||
4156 | unsigned long | |
116c20d2 | 4157 | bfd_mach_o_stack_addr (enum bfd_mach_o_cpu_type type) |
3af9a47b NC |
4158 | { |
4159 | switch (type) | |
4160 | { | |
4161 | case BFD_MACH_O_CPU_TYPE_MC680x0: | |
4162 | return 0x04000000; | |
4163 | case BFD_MACH_O_CPU_TYPE_MC88000: | |
4164 | return 0xffffe000; | |
4165 | case BFD_MACH_O_CPU_TYPE_POWERPC: | |
4166 | return 0xc0000000; | |
4167 | case BFD_MACH_O_CPU_TYPE_I386: | |
4168 | return 0xc0000000; | |
4169 | case BFD_MACH_O_CPU_TYPE_SPARC: | |
4170 | return 0xf0000000; | |
4171 | case BFD_MACH_O_CPU_TYPE_I860: | |
4172 | return 0; | |
4173 | case BFD_MACH_O_CPU_TYPE_HPPA: | |
e84d6fca | 4174 | return 0xc0000000 - 0x04000000; |
3af9a47b NC |
4175 | default: |
4176 | return 0; | |
4177 | } | |
4178 | } | |
4179 | ||
ab76eeaf IS |
4180 | /* The following two tables should be kept, as far as possible, in order of |
4181 | most frequently used entries to optimize their use from gas. */ | |
4182 | ||
c5012cd8 | 4183 | const bfd_mach_o_xlat_name bfd_mach_o_section_type_name[] = |
046b007d TG |
4184 | { |
4185 | { "regular", BFD_MACH_O_S_REGULAR}, | |
ab76eeaf | 4186 | { "coalesced", BFD_MACH_O_S_COALESCED}, |
046b007d TG |
4187 | { "zerofill", BFD_MACH_O_S_ZEROFILL}, |
4188 | { "cstring_literals", BFD_MACH_O_S_CSTRING_LITERALS}, | |
4189 | { "4byte_literals", BFD_MACH_O_S_4BYTE_LITERALS}, | |
4190 | { "8byte_literals", BFD_MACH_O_S_8BYTE_LITERALS}, | |
ab76eeaf | 4191 | { "16byte_literals", BFD_MACH_O_S_16BYTE_LITERALS}, |
046b007d | 4192 | { "literal_pointers", BFD_MACH_O_S_LITERAL_POINTERS}, |
046b007d TG |
4193 | { "mod_init_func_pointers", BFD_MACH_O_S_MOD_INIT_FUNC_POINTERS}, |
4194 | { "mod_fini_func_pointers", BFD_MACH_O_S_MOD_FINI_FUNC_POINTERS}, | |
046b007d TG |
4195 | { "gb_zerofill", BFD_MACH_O_S_GB_ZEROFILL}, |
4196 | { "interposing", BFD_MACH_O_S_INTERPOSING}, | |
046b007d | 4197 | { "dtrace_dof", BFD_MACH_O_S_DTRACE_DOF}, |
ab76eeaf IS |
4198 | { "non_lazy_symbol_pointers", BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS}, |
4199 | { "lazy_symbol_pointers", BFD_MACH_O_S_LAZY_SYMBOL_POINTERS}, | |
a4551119 | 4200 | { "symbol_stubs", BFD_MACH_O_S_SYMBOL_STUBS}, |
046b007d TG |
4201 | { "lazy_dylib_symbol_pointers", BFD_MACH_O_S_LAZY_DYLIB_SYMBOL_POINTERS}, |
4202 | { NULL, 0} | |
4203 | }; | |
4204 | ||
c5012cd8 | 4205 | const bfd_mach_o_xlat_name bfd_mach_o_section_attribute_name[] = |
046b007d | 4206 | { |
ab76eeaf IS |
4207 | { "pure_instructions", BFD_MACH_O_S_ATTR_PURE_INSTRUCTIONS }, |
4208 | { "some_instructions", BFD_MACH_O_S_ATTR_SOME_INSTRUCTIONS }, | |
046b007d TG |
4209 | { "loc_reloc", BFD_MACH_O_S_ATTR_LOC_RELOC }, |
4210 | { "ext_reloc", BFD_MACH_O_S_ATTR_EXT_RELOC }, | |
046b007d | 4211 | { "debug", BFD_MACH_O_S_ATTR_DEBUG }, |
046b007d TG |
4212 | { "live_support", BFD_MACH_O_S_ATTR_LIVE_SUPPORT }, |
4213 | { "no_dead_strip", BFD_MACH_O_S_ATTR_NO_DEAD_STRIP }, | |
4214 | { "strip_static_syms", BFD_MACH_O_S_ATTR_STRIP_STATIC_SYMS }, | |
4215 | { "no_toc", BFD_MACH_O_S_ATTR_NO_TOC }, | |
a4551119 | 4216 | { "self_modifying_code", BFD_MACH_O_S_SELF_MODIFYING_CODE }, |
ab76eeaf | 4217 | { "modifying_code", BFD_MACH_O_S_SELF_MODIFYING_CODE }, |
046b007d TG |
4218 | { NULL, 0} |
4219 | }; | |
4220 | ||
a4551119 | 4221 | /* Get the section type from NAME. Return 256 if NAME is unknown. */ |
53d58d96 TG |
4222 | |
4223 | unsigned int | |
ab76eeaf | 4224 | bfd_mach_o_get_section_type_from_name (bfd *abfd, const char *name) |
53d58d96 | 4225 | { |
afbb9e17 | 4226 | const bfd_mach_o_xlat_name *x; |
ab76eeaf | 4227 | bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd); |
53d58d96 TG |
4228 | |
4229 | for (x = bfd_mach_o_section_type_name; x->name; x++) | |
4230 | if (strcmp (x->name, name) == 0) | |
ab76eeaf IS |
4231 | { |
4232 | /* We found it... does the target support it? */ | |
4233 | if (bed->bfd_mach_o_section_type_valid_for_target == NULL | |
4234 | || bed->bfd_mach_o_section_type_valid_for_target (x->val)) | |
4235 | return x->val; /* OK. */ | |
4236 | else | |
4237 | break; /* Not supported. */ | |
4238 | } | |
a4551119 TG |
4239 | /* Maximum section ID = 0xff. */ |
4240 | return 256; | |
53d58d96 TG |
4241 | } |
4242 | ||
4243 | /* Get the section attribute from NAME. Return -1 if NAME is unknown. */ | |
4244 | ||
4245 | unsigned int | |
4246 | bfd_mach_o_get_section_attribute_from_name (const char *name) | |
4247 | { | |
afbb9e17 | 4248 | const bfd_mach_o_xlat_name *x; |
53d58d96 TG |
4249 | |
4250 | for (x = bfd_mach_o_section_attribute_name; x->name; x++) | |
4251 | if (strcmp (x->name, name) == 0) | |
4252 | return x->val; | |
4253 | return (unsigned int)-1; | |
4254 | } | |
4255 | ||
3af9a47b | 4256 | int |
116c20d2 NC |
4257 | bfd_mach_o_core_fetch_environment (bfd *abfd, |
4258 | unsigned char **rbuf, | |
4259 | unsigned int *rlen) | |
3af9a47b | 4260 | { |
046b007d | 4261 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
3af9a47b NC |
4262 | unsigned long stackaddr = bfd_mach_o_stack_addr (mdata->header.cputype); |
4263 | unsigned int i = 0; | |
4264 | ||
4265 | for (i = 0; i < mdata->header.ncmds; i++) | |
4266 | { | |
4267 | bfd_mach_o_load_command *cur = &mdata->commands[i]; | |
4268 | bfd_mach_o_segment_command *seg = NULL; | |
4269 | ||
4270 | if (cur->type != BFD_MACH_O_LC_SEGMENT) | |
4271 | continue; | |
4272 | ||
4273 | seg = &cur->command.segment; | |
4274 | ||
4275 | if ((seg->vmaddr + seg->vmsize) == stackaddr) | |
4276 | { | |
4277 | unsigned long start = seg->fileoff; | |
4278 | unsigned long end = seg->fileoff + seg->filesize; | |
4279 | unsigned char *buf = bfd_malloc (1024); | |
4280 | unsigned long size = 1024; | |
4281 | ||
4282 | for (;;) | |
4283 | { | |
4284 | bfd_size_type nread = 0; | |
4285 | unsigned long offset; | |
4286 | int found_nonnull = 0; | |
4287 | ||
4288 | if (size > (end - start)) | |
4289 | size = (end - start); | |
4290 | ||
515ef31d NC |
4291 | buf = bfd_realloc_or_free (buf, size); |
4292 | if (buf == NULL) | |
4293 | return -1; | |
c2f09c75 TG |
4294 | |
4295 | if (bfd_seek (abfd, end - size, SEEK_SET) != 0) | |
4296 | { | |
4297 | free (buf); | |
4298 | return -1; | |
4299 | } | |
4300 | ||
3af9a47b | 4301 | nread = bfd_bread (buf, size, abfd); |
a95a4550 | 4302 | |
3af9a47b | 4303 | if (nread != size) |
515ef31d NC |
4304 | { |
4305 | free (buf); | |
4306 | return -1; | |
4307 | } | |
a95a4550 | 4308 | |
3af9a47b NC |
4309 | for (offset = 4; offset <= size; offset += 4) |
4310 | { | |
e84d6fca | 4311 | unsigned long val; |
3af9a47b | 4312 | |
e84d6fca | 4313 | val = *((unsigned long *) (buf + size - offset)); |
3af9a47b NC |
4314 | if (! found_nonnull) |
4315 | { | |
4316 | if (val != 0) | |
4317 | found_nonnull = 1; | |
4318 | } | |
4319 | else if (val == 0x0) | |
4320 | { | |
e84d6fca AM |
4321 | unsigned long bottom; |
4322 | unsigned long top; | |
3af9a47b | 4323 | |
e84d6fca AM |
4324 | bottom = seg->fileoff + seg->filesize - offset; |
4325 | top = seg->fileoff + seg->filesize - 4; | |
3af9a47b NC |
4326 | *rbuf = bfd_malloc (top - bottom); |
4327 | *rlen = top - bottom; | |
4328 | ||
4329 | memcpy (*rbuf, buf + size - *rlen, *rlen); | |
515ef31d | 4330 | free (buf); |
3af9a47b NC |
4331 | return 0; |
4332 | } | |
4333 | } | |
4334 | ||
4335 | if (size == (end - start)) | |
4336 | break; | |
4337 | ||
4338 | size *= 2; | |
4339 | } | |
515ef31d NC |
4340 | |
4341 | free (buf); | |
3af9a47b NC |
4342 | } |
4343 | } | |
4344 | ||
4345 | return -1; | |
4346 | } | |
4347 | ||
4348 | char * | |
116c20d2 | 4349 | bfd_mach_o_core_file_failing_command (bfd *abfd) |
3af9a47b NC |
4350 | { |
4351 | unsigned char *buf = NULL; | |
4352 | unsigned int len = 0; | |
4353 | int ret = -1; | |
4354 | ||
4355 | ret = bfd_mach_o_core_fetch_environment (abfd, &buf, &len); | |
4356 | if (ret < 0) | |
4357 | return NULL; | |
4358 | ||
f075ee0c | 4359 | return (char *) buf; |
3af9a47b NC |
4360 | } |
4361 | ||
4362 | int | |
116c20d2 | 4363 | bfd_mach_o_core_file_failing_signal (bfd *abfd ATTRIBUTE_UNUSED) |
3af9a47b NC |
4364 | { |
4365 | return 0; | |
4366 | } | |
4367 | ||
d9071b0c TG |
4368 | bfd_boolean |
4369 | bfd_mach_o_find_nearest_line (bfd *abfd, | |
4370 | asection *section, | |
4371 | asymbol **symbols, | |
4372 | bfd_vma offset, | |
4373 | const char **filename_ptr, | |
4374 | const char **functionname_ptr, | |
4375 | unsigned int *line_ptr) | |
4376 | { | |
4377 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
4378 | /* TODO: Handle executables and dylibs by using dSYMs. */ | |
4379 | if (mdata->header.filetype != BFD_MACH_O_MH_OBJECT) | |
4380 | return FALSE; | |
4381 | if (_bfd_dwarf2_find_nearest_line (abfd, dwarf_debug_sections, | |
4382 | section, symbols, offset, | |
4383 | filename_ptr, functionname_ptr, | |
4384 | line_ptr, 0, | |
4385 | &mdata->dwarf2_find_line_info)) | |
4386 | return TRUE; | |
4387 | return FALSE; | |
4388 | } | |
4389 | ||
4390 | bfd_boolean | |
4391 | bfd_mach_o_close_and_cleanup (bfd *abfd) | |
4392 | { | |
4393 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
4394 | if (bfd_get_format (abfd) == bfd_object && mdata != NULL) | |
4434114c TG |
4395 | { |
4396 | _bfd_dwarf2_cleanup_debug_info (abfd, &mdata->dwarf2_find_line_info); | |
4397 | bfd_mach_o_free_cached_info (abfd); | |
4398 | } | |
dff55db0 | 4399 | |
d9071b0c TG |
4400 | return _bfd_generic_close_and_cleanup (abfd); |
4401 | } | |
4402 | ||
dff55db0 TG |
4403 | bfd_boolean bfd_mach_o_free_cached_info (bfd *abfd) |
4404 | { | |
4405 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
4406 | asection *asect; | |
4407 | free (mdata->dyn_reloc_cache); | |
4408 | mdata->dyn_reloc_cache = NULL; | |
4409 | for (asect = abfd->sections; asect != NULL; asect = asect->next) | |
4410 | { | |
4411 | free (asect->relocation); | |
4412 | asect->relocation = NULL; | |
4413 | } | |
4414 | ||
4415 | return TRUE; | |
4416 | } | |
4417 | ||
92bc0e80 TG |
4418 | #define bfd_mach_o_bfd_reloc_type_lookup _bfd_norelocs_bfd_reloc_type_lookup |
4419 | #define bfd_mach_o_bfd_reloc_name_lookup _bfd_norelocs_bfd_reloc_name_lookup | |
4420 | ||
4421 | #define bfd_mach_o_swap_reloc_in NULL | |
4422 | #define bfd_mach_o_swap_reloc_out NULL | |
b32e07d7 | 4423 | #define bfd_mach_o_print_thread NULL |
a4551119 | 4424 | #define bfd_mach_o_tgt_seg_table NULL |
ab76eeaf | 4425 | #define bfd_mach_o_section_type_valid_for_tgt NULL |
92bc0e80 | 4426 | |
116c20d2 NC |
4427 | #define TARGET_NAME mach_o_be_vec |
4428 | #define TARGET_STRING "mach-o-be" | |
42fa0891 | 4429 | #define TARGET_ARCHITECTURE bfd_arch_unknown |
116c20d2 NC |
4430 | #define TARGET_BIG_ENDIAN 1 |
4431 | #define TARGET_ARCHIVE 0 | |
b93a1992 | 4432 | #define TARGET_PRIORITY 1 |
3af9a47b NC |
4433 | #include "mach-o-target.c" |
4434 | ||
4435 | #undef TARGET_NAME | |
4436 | #undef TARGET_STRING | |
42fa0891 | 4437 | #undef TARGET_ARCHITECTURE |
3af9a47b NC |
4438 | #undef TARGET_BIG_ENDIAN |
4439 | #undef TARGET_ARCHIVE | |
b93a1992 | 4440 | #undef TARGET_PRIORITY |
3af9a47b | 4441 | |
116c20d2 NC |
4442 | #define TARGET_NAME mach_o_le_vec |
4443 | #define TARGET_STRING "mach-o-le" | |
42fa0891 | 4444 | #define TARGET_ARCHITECTURE bfd_arch_unknown |
116c20d2 NC |
4445 | #define TARGET_BIG_ENDIAN 0 |
4446 | #define TARGET_ARCHIVE 0 | |
b93a1992 | 4447 | #define TARGET_PRIORITY 1 |
3af9a47b NC |
4448 | |
4449 | #include "mach-o-target.c" | |
4450 | ||
4451 | #undef TARGET_NAME | |
4452 | #undef TARGET_STRING | |
42fa0891 | 4453 | #undef TARGET_ARCHITECTURE |
3af9a47b NC |
4454 | #undef TARGET_BIG_ENDIAN |
4455 | #undef TARGET_ARCHIVE | |
b93a1992 | 4456 | #undef TARGET_PRIORITY |
3af9a47b | 4457 | |
8f95b6e4 TG |
4458 | /* Not yet handled: creating an archive. */ |
4459 | #define bfd_mach_o_mkarchive _bfd_noarchive_mkarchive | |
4460 | ||
4461 | /* Not used. */ | |
4462 | #define bfd_mach_o_read_ar_hdr _bfd_noarchive_read_ar_hdr | |
4463 | #define bfd_mach_o_write_ar_hdr _bfd_noarchive_write_ar_hdr | |
4464 | #define bfd_mach_o_slurp_armap _bfd_noarchive_slurp_armap | |
4465 | #define bfd_mach_o_slurp_extended_name_table _bfd_noarchive_slurp_extended_name_table | |
4466 | #define bfd_mach_o_construct_extended_name_table _bfd_noarchive_construct_extended_name_table | |
4467 | #define bfd_mach_o_truncate_arname _bfd_noarchive_truncate_arname | |
4468 | #define bfd_mach_o_write_armap _bfd_noarchive_write_armap | |
4469 | #define bfd_mach_o_get_elt_at_index _bfd_noarchive_get_elt_at_index | |
4470 | #define bfd_mach_o_generic_stat_arch_elt _bfd_noarchive_generic_stat_arch_elt | |
4471 | #define bfd_mach_o_update_armap_timestamp _bfd_noarchive_update_armap_timestamp | |
4472 | ||
116c20d2 NC |
4473 | #define TARGET_NAME mach_o_fat_vec |
4474 | #define TARGET_STRING "mach-o-fat" | |
42fa0891 | 4475 | #define TARGET_ARCHITECTURE bfd_arch_unknown |
116c20d2 NC |
4476 | #define TARGET_BIG_ENDIAN 1 |
4477 | #define TARGET_ARCHIVE 1 | |
b93a1992 | 4478 | #define TARGET_PRIORITY 0 |
3af9a47b NC |
4479 | |
4480 | #include "mach-o-target.c" | |
4481 | ||
4482 | #undef TARGET_NAME | |
4483 | #undef TARGET_STRING | |
42fa0891 | 4484 | #undef TARGET_ARCHITECTURE |
3af9a47b NC |
4485 | #undef TARGET_BIG_ENDIAN |
4486 | #undef TARGET_ARCHIVE | |
b93a1992 | 4487 | #undef TARGET_PRIORITY |