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3af9a47b | 1 | /* Mach-O support for BFD. |
b3adc24a | 2 | Copyright (C) 1999-2020 Free Software Foundation, Inc. |
3af9a47b NC |
3 | |
4 | This file is part of BFD, the Binary File Descriptor library. | |
5 | ||
6 | This program is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
cd123cb7 | 8 | the Free Software Foundation; either version 3 of the License, or |
3af9a47b NC |
9 | (at your option) any later version. |
10 | ||
11 | This program is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
a95a4550 | 17 | along with this program; if not, write to the Free Software |
cd123cb7 NC |
18 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
19 | MA 02110-1301, USA. */ | |
3af9a47b | 20 | |
3db64b00 | 21 | #include "sysdep.h" |
7a6e0d89 | 22 | #include <limits.h> |
3af9a47b | 23 | #include "bfd.h" |
3af9a47b NC |
24 | #include "libbfd.h" |
25 | #include "libiberty.h" | |
2d5d5a8f | 26 | #include "mach-o.h" |
15e1c58a | 27 | #include "aout/stab_gnu.h" |
46d1c23b TG |
28 | #include "mach-o/reloc.h" |
29 | #include "mach-o/external.h" | |
3af9a47b | 30 | #include <ctype.h> |
7f307238 IS |
31 | #include <stdlib.h> |
32 | #include <string.h> | |
3af9a47b | 33 | |
154a1ee5 TG |
34 | #define bfd_mach_o_object_p bfd_mach_o_gen_object_p |
35 | #define bfd_mach_o_core_p bfd_mach_o_gen_core_p | |
42fa0891 | 36 | #define bfd_mach_o_mkobject bfd_mach_o_gen_mkobject |
116c20d2 | 37 | |
92bc0e80 | 38 | #define FILE_ALIGN(off, algn) \ |
b6518b38 | 39 | (((off) + ((file_ptr) 1 << (algn)) - 1) & ((file_ptr) -1U << (algn))) |
92bc0e80 | 40 | |
c9ffd2ea TG |
41 | static bfd_boolean |
42 | bfd_mach_o_read_dyld_content (bfd *abfd, bfd_mach_o_dyld_info_command *cmd); | |
43 | ||
c2f09c75 | 44 | unsigned int |
1e8a024a TG |
45 | bfd_mach_o_version (bfd *abfd) |
46 | { | |
47 | bfd_mach_o_data_struct *mdata = NULL; | |
48 | ||
49 | BFD_ASSERT (bfd_mach_o_valid (abfd)); | |
046b007d | 50 | mdata = bfd_mach_o_get_data (abfd); |
1e8a024a TG |
51 | |
52 | return mdata->header.version; | |
53 | } | |
54 | ||
b34976b6 | 55 | bfd_boolean |
116c20d2 | 56 | bfd_mach_o_valid (bfd *abfd) |
3af9a47b NC |
57 | { |
58 | if (abfd == NULL || abfd->xvec == NULL) | |
154a1ee5 | 59 | return FALSE; |
3af9a47b | 60 | |
154a1ee5 TG |
61 | if (abfd->xvec->flavour != bfd_target_mach_o_flavour) |
62 | return FALSE; | |
3af9a47b | 63 | |
046b007d | 64 | if (bfd_mach_o_get_data (abfd) == NULL) |
154a1ee5 TG |
65 | return FALSE; |
66 | return TRUE; | |
67 | } | |
68 | ||
c2f09c75 TG |
69 | static INLINE bfd_boolean |
70 | mach_o_wide_p (bfd_mach_o_header *header) | |
71 | { | |
72 | switch (header->version) | |
73 | { | |
74 | case 1: | |
75 | return FALSE; | |
76 | case 2: | |
77 | return TRUE; | |
78 | default: | |
79 | BFD_FAIL (); | |
80 | return FALSE; | |
81 | } | |
82 | } | |
83 | ||
84 | static INLINE bfd_boolean | |
85 | bfd_mach_o_wide_p (bfd *abfd) | |
86 | { | |
046b007d | 87 | return mach_o_wide_p (&bfd_mach_o_get_data (abfd)->header); |
c2f09c75 | 88 | } |
68ffbac6 | 89 | |
154a1ee5 TG |
90 | /* Tables to translate well known Mach-O segment/section names to bfd |
91 | names. Use of canonical names (such as .text or .debug_frame) is required | |
92 | by gdb. */ | |
93 | ||
a4551119 TG |
94 | /* __TEXT Segment. */ |
95 | static const mach_o_section_name_xlat text_section_names_xlat[] = | |
154a1ee5 | 96 | { |
68ffbac6 | 97 | { ".text", "__text", |
a4551119 TG |
98 | SEC_CODE | SEC_LOAD, BFD_MACH_O_S_REGULAR, |
99 | BFD_MACH_O_S_ATTR_PURE_INSTRUCTIONS, 0}, | |
100 | { ".const", "__const", | |
101 | SEC_READONLY | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
102 | BFD_MACH_O_S_ATTR_NONE, 0}, | |
103 | { ".static_const", "__static_const", | |
104 | SEC_READONLY | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
105 | BFD_MACH_O_S_ATTR_NONE, 0}, | |
106 | { ".cstring", "__cstring", | |
107 | SEC_READONLY | SEC_DATA | SEC_LOAD | SEC_MERGE | SEC_STRINGS, | |
108 | BFD_MACH_O_S_CSTRING_LITERALS, | |
109 | BFD_MACH_O_S_ATTR_NONE, 0}, | |
110 | { ".literal4", "__literal4", | |
111 | SEC_READONLY | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_4BYTE_LITERALS, | |
112 | BFD_MACH_O_S_ATTR_NONE, 2}, | |
113 | { ".literal8", "__literal8", | |
114 | SEC_READONLY | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_8BYTE_LITERALS, | |
115 | BFD_MACH_O_S_ATTR_NONE, 3}, | |
116 | { ".literal16", "__literal16", | |
117 | SEC_READONLY | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_16BYTE_LITERALS, | |
118 | BFD_MACH_O_S_ATTR_NONE, 4}, | |
119 | { ".constructor", "__constructor", | |
120 | SEC_CODE | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
121 | BFD_MACH_O_S_ATTR_NONE, 0}, | |
122 | { ".destructor", "__destructor", | |
123 | SEC_CODE | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
124 | BFD_MACH_O_S_ATTR_NONE, 0}, | |
125 | { ".eh_frame", "__eh_frame", | |
632039e0 | 126 | SEC_READONLY | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_COALESCED, |
a4551119 TG |
127 | BFD_MACH_O_S_ATTR_LIVE_SUPPORT |
128 | | BFD_MACH_O_S_ATTR_STRIP_STATIC_SYMS | |
632039e0 | 129 | | BFD_MACH_O_S_ATTR_NO_TOC, 2}, |
a4551119 | 130 | { NULL, NULL, 0, 0, 0, 0} |
154a1ee5 TG |
131 | }; |
132 | ||
a4551119 TG |
133 | /* __DATA Segment. */ |
134 | static const mach_o_section_name_xlat data_section_names_xlat[] = | |
154a1ee5 | 135 | { |
a4551119 TG |
136 | { ".data", "__data", |
137 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
138 | BFD_MACH_O_S_ATTR_NONE, 0}, | |
139 | { ".bss", "__bss", | |
140 | SEC_NO_FLAGS, BFD_MACH_O_S_ZEROFILL, | |
141 | BFD_MACH_O_S_ATTR_NONE, 0}, | |
142 | { ".const_data", "__const", | |
143 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
144 | BFD_MACH_O_S_ATTR_NONE, 0}, | |
145 | { ".static_data", "__static_data", | |
146 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
147 | BFD_MACH_O_S_ATTR_NONE, 0}, | |
148 | { ".mod_init_func", "__mod_init_func", | |
149 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_MOD_INIT_FUNC_POINTERS, | |
150 | BFD_MACH_O_S_ATTR_NONE, 2}, | |
151 | { ".mod_term_func", "__mod_term_func", | |
152 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_MOD_FINI_FUNC_POINTERS, | |
153 | BFD_MACH_O_S_ATTR_NONE, 2}, | |
154 | { ".dyld", "__dyld", | |
155 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
156 | BFD_MACH_O_S_ATTR_NONE, 0}, | |
157 | { ".cfstring", "__cfstring", | |
158 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
159 | BFD_MACH_O_S_ATTR_NONE, 2}, | |
160 | { NULL, NULL, 0, 0, 0, 0} | |
154a1ee5 TG |
161 | }; |
162 | ||
a4551119 TG |
163 | /* __DWARF Segment. */ |
164 | static const mach_o_section_name_xlat dwarf_section_names_xlat[] = | |
154a1ee5 | 165 | { |
a4551119 TG |
166 | { ".debug_frame", "__debug_frame", |
167 | SEC_DEBUGGING, BFD_MACH_O_S_REGULAR, | |
168 | BFD_MACH_O_S_ATTR_DEBUG, 0}, | |
169 | { ".debug_info", "__debug_info", | |
170 | SEC_DEBUGGING, BFD_MACH_O_S_REGULAR, | |
171 | BFD_MACH_O_S_ATTR_DEBUG, 0}, | |
172 | { ".debug_abbrev", "__debug_abbrev", | |
173 | SEC_DEBUGGING, BFD_MACH_O_S_REGULAR, | |
174 | BFD_MACH_O_S_ATTR_DEBUG, 0}, | |
175 | { ".debug_aranges", "__debug_aranges", | |
176 | SEC_DEBUGGING, BFD_MACH_O_S_REGULAR, | |
177 | BFD_MACH_O_S_ATTR_DEBUG, 0}, | |
178 | { ".debug_macinfo", "__debug_macinfo", | |
179 | SEC_DEBUGGING, BFD_MACH_O_S_REGULAR, | |
180 | BFD_MACH_O_S_ATTR_DEBUG, 0}, | |
181 | { ".debug_line", "__debug_line", | |
182 | SEC_DEBUGGING, BFD_MACH_O_S_REGULAR, | |
183 | BFD_MACH_O_S_ATTR_DEBUG, 0}, | |
184 | { ".debug_loc", "__debug_loc", | |
185 | SEC_DEBUGGING, BFD_MACH_O_S_REGULAR, | |
186 | BFD_MACH_O_S_ATTR_DEBUG, 0}, | |
187 | { ".debug_pubnames", "__debug_pubnames", | |
188 | SEC_DEBUGGING, BFD_MACH_O_S_REGULAR, | |
189 | BFD_MACH_O_S_ATTR_DEBUG, 0}, | |
190 | { ".debug_pubtypes", "__debug_pubtypes", | |
191 | SEC_DEBUGGING, BFD_MACH_O_S_REGULAR, | |
192 | BFD_MACH_O_S_ATTR_DEBUG, 0}, | |
193 | { ".debug_str", "__debug_str", | |
194 | SEC_DEBUGGING, BFD_MACH_O_S_REGULAR, | |
195 | BFD_MACH_O_S_ATTR_DEBUG, 0}, | |
196 | { ".debug_ranges", "__debug_ranges", | |
197 | SEC_DEBUGGING, BFD_MACH_O_S_REGULAR, | |
198 | BFD_MACH_O_S_ATTR_DEBUG, 0}, | |
199 | { ".debug_macro", "__debug_macro", | |
200 | SEC_DEBUGGING, BFD_MACH_O_S_REGULAR, | |
201 | BFD_MACH_O_S_ATTR_DEBUG, 0}, | |
671a6cbe NC |
202 | { ".debug_gdb_scripts", "__debug_gdb_scri", |
203 | SEC_DEBUGGING, BFD_MACH_O_S_REGULAR, | |
204 | BFD_MACH_O_S_ATTR_DEBUG, 0}, | |
a4551119 | 205 | { NULL, NULL, 0, 0, 0, 0} |
154a1ee5 TG |
206 | }; |
207 | ||
a4551119 TG |
208 | /* __OBJC Segment. */ |
209 | static const mach_o_section_name_xlat objc_section_names_xlat[] = | |
210 | { | |
211 | { ".objc_class", "__class", | |
212 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
213 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
214 | { ".objc_meta_class", "__meta_class", | |
215 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
216 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
217 | { ".objc_cat_cls_meth", "__cat_cls_meth", | |
218 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
219 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
220 | { ".objc_cat_inst_meth", "__cat_inst_meth", | |
221 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
222 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
223 | { ".objc_protocol", "__protocol", | |
224 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
225 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
226 | { ".objc_string_object", "__string_object", | |
227 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
228 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
229 | { ".objc_cls_meth", "__cls_meth", | |
230 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
231 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
232 | { ".objc_inst_meth", "__inst_meth", | |
233 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
234 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
235 | { ".objc_cls_refs", "__cls_refs", | |
236 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_LITERAL_POINTERS, | |
237 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
238 | { ".objc_message_refs", "__message_refs", | |
239 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_LITERAL_POINTERS, | |
240 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
241 | { ".objc_symbols", "__symbols", | |
242 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
243 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
244 | { ".objc_category", "__category", | |
245 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
246 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
247 | { ".objc_class_vars", "__class_vars", | |
248 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
249 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
250 | { ".objc_instance_vars", "__instance_vars", | |
251 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
252 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
253 | { ".objc_module_info", "__module_info", | |
254 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
255 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
256 | { ".objc_selector_strs", "__selector_strs", | |
257 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_CSTRING_LITERALS, | |
258 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
259 | { ".objc_image_info", "__image_info", | |
260 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
261 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
262 | { ".objc_selector_fixup", "__sel_fixup", | |
263 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
264 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
265 | /* Objc V1 */ | |
266 | { ".objc1_class_ext", "__class_ext", | |
267 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
268 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
269 | { ".objc1_property_list", "__property", | |
270 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
271 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
272 | { ".objc1_protocol_ext", "__protocol_ext", | |
273 | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR, | |
274 | BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0}, | |
275 | { NULL, NULL, 0, 0, 0, 0} | |
276 | }; | |
5a5cbf72 | 277 | |
a4551119 | 278 | static const mach_o_segment_name_xlat segsec_names_xlat[] = |
154a1ee5 | 279 | { |
154a1ee5 TG |
280 | { "__TEXT", text_section_names_xlat }, |
281 | { "__DATA", data_section_names_xlat }, | |
5a5cbf72 | 282 | { "__DWARF", dwarf_section_names_xlat }, |
a4551119 | 283 | { "__OBJC", objc_section_names_xlat }, |
154a1ee5 TG |
284 | { NULL, NULL } |
285 | }; | |
286 | ||
2ca7691a TG |
287 | static const char dsym_subdir[] = ".dSYM/Contents/Resources/DWARF"; |
288 | ||
a4551119 TG |
289 | /* For both cases bfd-name => mach-o name and vice versa, the specific target |
290 | is checked before the generic. This allows a target (e.g. ppc for cstring) | |
291 | to override the generic definition with a more specific one. */ | |
154a1ee5 | 292 | |
a4551119 TG |
293 | /* Fetch the translation from a Mach-O section designation (segment, section) |
294 | as a bfd short name, if one exists. Otherwise return NULL. | |
68ffbac6 | 295 | |
a4551119 TG |
296 | Allow the segment and section names to be unterminated 16 byte arrays. */ |
297 | ||
298 | const mach_o_section_name_xlat * | |
299 | bfd_mach_o_section_data_for_mach_sect (bfd *abfd, const char *segname, | |
300 | const char *sectname) | |
154a1ee5 TG |
301 | { |
302 | const struct mach_o_segment_name_xlat *seg; | |
a4551119 TG |
303 | const mach_o_section_name_xlat *sec; |
304 | bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd); | |
154a1ee5 | 305 | |
a4551119 TG |
306 | /* First try any target-specific translations defined... */ |
307 | if (bed->segsec_names_xlat) | |
308 | for (seg = bed->segsec_names_xlat; seg->segname; seg++) | |
309 | if (strncmp (seg->segname, segname, BFD_MACH_O_SEGNAME_SIZE) == 0) | |
310 | for (sec = seg->sections; sec->mach_o_name; sec++) | |
311 | if (strncmp (sec->mach_o_name, sectname, | |
312 | BFD_MACH_O_SECTNAME_SIZE) == 0) | |
313 | return sec; | |
8462aec7 | 314 | |
a4551119 | 315 | /* ... and then the Mach-O generic ones. */ |
154a1ee5 | 316 | for (seg = segsec_names_xlat; seg->segname; seg++) |
a4551119 TG |
317 | if (strncmp (seg->segname, segname, BFD_MACH_O_SEGNAME_SIZE) == 0) |
318 | for (sec = seg->sections; sec->mach_o_name; sec++) | |
07d6d2b8 | 319 | if (strncmp (sec->mach_o_name, sectname, |
a4551119 | 320 | BFD_MACH_O_SECTNAME_SIZE) == 0) |
07d6d2b8 | 321 | return sec; |
154a1ee5 | 322 | |
68ffbac6 | 323 | return NULL; |
53d58d96 TG |
324 | } |
325 | ||
a4551119 | 326 | /* If the bfd_name for this section is a 'canonical' form for which we |
68ffbac6 | 327 | know the Mach-O data, return the segment name and the data for the |
a4551119 | 328 | Mach-O equivalent. Otherwise return NULL. */ |
7ba695a9 | 329 | |
a4551119 TG |
330 | const mach_o_section_name_xlat * |
331 | bfd_mach_o_section_data_for_bfd_name (bfd *abfd, const char *bfd_name, | |
332 | const char **segname) | |
53d58d96 | 333 | { |
a4551119 TG |
334 | const struct mach_o_segment_name_xlat *seg; |
335 | const mach_o_section_name_xlat *sec; | |
336 | bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd); | |
337 | *segname = NULL; | |
338 | ||
339 | if (bfd_name[0] != '.') | |
340 | return NULL; | |
341 | ||
342 | /* First try any target-specific translations defined... */ | |
343 | if (bed->segsec_names_xlat) | |
344 | for (seg = bed->segsec_names_xlat; seg->segname; seg++) | |
345 | for (sec = seg->sections; sec->bfd_name; sec++) | |
346 | if (strcmp (bfd_name, sec->bfd_name) == 0) | |
347 | { | |
348 | *segname = seg->segname; | |
349 | return sec; | |
350 | } | |
351 | ||
352 | /* ... and then the Mach-O generic ones. */ | |
353 | for (seg = segsec_names_xlat; seg->segname; seg++) | |
354 | for (sec = seg->sections; sec->bfd_name; sec++) | |
355 | if (strcmp (bfd_name, sec->bfd_name) == 0) | |
356 | { | |
357 | *segname = seg->segname; | |
358 | return sec; | |
359 | } | |
360 | ||
68ffbac6 | 361 | return NULL; |
a4551119 TG |
362 | } |
363 | ||
364 | /* Convert Mach-O section name to BFD. | |
365 | ||
68ffbac6 | 366 | Try to use standard/canonical names, for which we have tables including |
a4551119 TG |
367 | default flag settings - which are returned. Otherwise forge a new name |
368 | in the form "<segmentname>.<sectionname>" this will be prefixed with | |
369 | LC_SEGMENT. if the segment name does not begin with an underscore. | |
370 | ||
371 | SEGNAME and SECTNAME are 16 byte arrays (they do not need to be NUL- | |
372 | terminated if the name length is exactly 16 bytes - but must be if the name | |
373 | length is less than 16 characters). */ | |
374 | ||
375 | void | |
376 | bfd_mach_o_convert_section_name_to_bfd (bfd *abfd, const char *segname, | |
377 | const char *secname, const char **name, | |
378 | flagword *flags) | |
379 | { | |
380 | const mach_o_section_name_xlat *xlat; | |
53d58d96 TG |
381 | char *res; |
382 | unsigned int len; | |
383 | const char *pfx = ""; | |
384 | ||
a4551119 TG |
385 | *name = NULL; |
386 | *flags = SEC_NO_FLAGS; | |
53d58d96 | 387 | |
68ffbac6 | 388 | /* First search for a canonical name... |
a4551119 TG |
389 | xlat will be non-null if there is an entry for segname, secname. */ |
390 | xlat = bfd_mach_o_section_data_for_mach_sect (abfd, segname, secname); | |
391 | if (xlat) | |
392 | { | |
393 | len = strlen (xlat->bfd_name); | |
64d29018 | 394 | res = bfd_alloc (abfd, len + 1); |
a4551119 TG |
395 | if (res == NULL) |
396 | return; | |
397 | memcpy (res, xlat->bfd_name, len+1); | |
398 | *name = res; | |
399 | *flags = xlat->bfd_flags; | |
400 | return; | |
401 | } | |
402 | ||
403 | /* ... else we make up a bfd name from the segment concatenated with the | |
404 | section. */ | |
154a1ee5 | 405 | |
7ba695a9 | 406 | len = 16 + 1 + 16 + 1; |
154a1ee5 | 407 | |
c2f09c75 TG |
408 | /* Put "LC_SEGMENT." prefix if the segment name is weird (ie doesn't start |
409 | with an underscore. */ | |
f1bde64c | 410 | if (segname[0] != '_') |
c2f09c75 TG |
411 | { |
412 | static const char seg_pfx[] = "LC_SEGMENT."; | |
413 | ||
414 | pfx = seg_pfx; | |
415 | len += sizeof (seg_pfx) - 1; | |
416 | } | |
417 | ||
154a1ee5 TG |
418 | res = bfd_alloc (abfd, len); |
419 | if (res == NULL) | |
8462aec7 | 420 | return; |
a4551119 | 421 | snprintf (res, len, "%s%.16s.%.16s", pfx, segname, secname); |
8462aec7 | 422 | *name = res; |
154a1ee5 TG |
423 | } |
424 | ||
a4551119 | 425 | /* Convert a bfd section name to a Mach-O segment + section name. |
154a1ee5 | 426 | |
a4551119 TG |
427 | If the name is a canonical one for which we have a Darwin match |
428 | return the translation table - which contains defaults for flags, | |
429 | type, attribute and default alignment data. | |
430 | ||
68ffbac6 | 431 | Otherwise, expand the bfd_name (assumed to be in the form |
a4551119 TG |
432 | "[LC_SEGMENT.]<segmentname>.<sectionname>") and return NULL. */ |
433 | ||
434 | static const mach_o_section_name_xlat * | |
154a1ee5 | 435 | bfd_mach_o_convert_section_name_to_mach_o (bfd *abfd ATTRIBUTE_UNUSED, |
07d6d2b8 AM |
436 | asection *sect, |
437 | bfd_mach_o_section *section) | |
154a1ee5 | 438 | { |
a4551119 | 439 | const mach_o_section_name_xlat *xlat; |
fd361982 | 440 | const char *name = bfd_section_name (sect); |
a4551119 | 441 | const char *segname; |
154a1ee5 TG |
442 | const char *dot; |
443 | unsigned int len; | |
444 | unsigned int seglen; | |
445 | unsigned int seclen; | |
446 | ||
a4551119 TG |
447 | memset (section->segname, 0, BFD_MACH_O_SEGNAME_SIZE + 1); |
448 | memset (section->sectname, 0, BFD_MACH_O_SECTNAME_SIZE + 1); | |
449 | ||
450 | /* See if is a canonical name ... */ | |
451 | xlat = bfd_mach_o_section_data_for_bfd_name (abfd, name, &segname); | |
452 | if (xlat) | |
453 | { | |
454 | strcpy (section->segname, segname); | |
455 | strcpy (section->sectname, xlat->mach_o_name); | |
456 | return xlat; | |
457 | } | |
154a1ee5 | 458 | |
a4551119 TG |
459 | /* .. else we convert our constructed one back to Mach-O. |
460 | Strip LC_SEGMENT. prefix, if present. */ | |
154a1ee5 TG |
461 | if (strncmp (name, "LC_SEGMENT.", 11) == 0) |
462 | name += 11; | |
463 | ||
464 | /* Find a dot. */ | |
465 | dot = strchr (name, '.'); | |
466 | len = strlen (name); | |
467 | ||
468 | /* Try to split name into segment and section names. */ | |
469 | if (dot && dot != name) | |
470 | { | |
471 | seglen = dot - name; | |
472 | seclen = len - (dot + 1 - name); | |
473 | ||
ca148c5a TG |
474 | if (seglen <= BFD_MACH_O_SEGNAME_SIZE |
475 | && seclen <= BFD_MACH_O_SECTNAME_SIZE) | |
07d6d2b8 AM |
476 | { |
477 | memcpy (section->segname, name, seglen); | |
478 | section->segname[seglen] = 0; | |
479 | memcpy (section->sectname, dot + 1, seclen); | |
480 | section->sectname[seclen] = 0; | |
481 | return NULL; | |
482 | } | |
154a1ee5 TG |
483 | } |
484 | ||
a4551119 TG |
485 | /* The segment and section names are both missing - don't make them |
486 | into dots. */ | |
487 | if (dot && dot == name) | |
488 | return NULL; | |
489 | ||
490 | /* Just duplicate the name into both segment and section. */ | |
154a1ee5 TG |
491 | if (len > 16) |
492 | len = 16; | |
493 | memcpy (section->segname, name, len); | |
494 | section->segname[len] = 0; | |
495 | memcpy (section->sectname, name, len); | |
496 | section->sectname[len] = 0; | |
a4551119 | 497 | return NULL; |
3af9a47b NC |
498 | } |
499 | ||
b2b62060 TG |
500 | /* Return the size of an entry for section SEC. |
501 | Must be called only for symbol pointer section and symbol stubs | |
502 | sections. */ | |
503 | ||
c5012cd8 | 504 | unsigned int |
b2b62060 TG |
505 | bfd_mach_o_section_get_entry_size (bfd *abfd, bfd_mach_o_section *sec) |
506 | { | |
507 | switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK) | |
508 | { | |
509 | case BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS: | |
510 | case BFD_MACH_O_S_LAZY_SYMBOL_POINTERS: | |
511 | return bfd_mach_o_wide_p (abfd) ? 8 : 4; | |
512 | case BFD_MACH_O_S_SYMBOL_STUBS: | |
513 | return sec->reserved2; | |
514 | default: | |
515 | BFD_FAIL (); | |
516 | return 0; | |
517 | } | |
518 | } | |
519 | ||
520 | /* Return the number of indirect symbols for a section. | |
521 | Must be called only for symbol pointer section and symbol stubs | |
522 | sections. */ | |
523 | ||
c5012cd8 | 524 | unsigned int |
b2b62060 TG |
525 | bfd_mach_o_section_get_nbr_indirect (bfd *abfd, bfd_mach_o_section *sec) |
526 | { | |
527 | unsigned int elsz; | |
528 | ||
529 | elsz = bfd_mach_o_section_get_entry_size (abfd, sec); | |
530 | if (elsz == 0) | |
531 | return 0; | |
532 | else | |
533 | return sec->size / elsz; | |
534 | } | |
535 | ||
c9ffd2ea TG |
536 | /* Append command CMD to ABFD. Note that header.ncmds is not updated. */ |
537 | ||
538 | static void | |
539 | bfd_mach_o_append_command (bfd *abfd, bfd_mach_o_load_command *cmd) | |
540 | { | |
541 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
542 | ||
543 | if (mdata->last_command != NULL) | |
544 | mdata->last_command->next = cmd; | |
545 | else | |
546 | mdata->first_command = cmd; | |
547 | mdata->last_command = cmd; | |
548 | cmd->next = NULL; | |
549 | } | |
b2b62060 | 550 | |
3af9a47b NC |
551 | /* Copy any private info we understand from the input symbol |
552 | to the output symbol. */ | |
553 | ||
154a1ee5 | 554 | bfd_boolean |
116c20d2 | 555 | bfd_mach_o_bfd_copy_private_symbol_data (bfd *ibfd ATTRIBUTE_UNUSED, |
b22161d6 | 556 | asymbol *isymbol, |
116c20d2 | 557 | bfd *obfd ATTRIBUTE_UNUSED, |
b22161d6 IS |
558 | asymbol *osymbol) |
559 | { | |
560 | bfd_mach_o_asymbol *os, *is; | |
c9ffd2ea | 561 | |
b22161d6 IS |
562 | os = (bfd_mach_o_asymbol *)osymbol; |
563 | is = (bfd_mach_o_asymbol *)isymbol; | |
564 | os->n_type = is->n_type; | |
565 | os->n_sect = is->n_sect; | |
566 | os->n_desc = is->n_desc; | |
567 | os->symbol.udata.i = is->symbol.udata.i; | |
c9ffd2ea | 568 | |
b34976b6 | 569 | return TRUE; |
3af9a47b NC |
570 | } |
571 | ||
572 | /* Copy any private info we understand from the input section | |
573 | to the output section. */ | |
574 | ||
154a1ee5 | 575 | bfd_boolean |
c9ffd2ea TG |
576 | bfd_mach_o_bfd_copy_private_section_data (bfd *ibfd, asection *isection, |
577 | bfd *obfd, asection *osection) | |
a4551119 | 578 | { |
c9ffd2ea TG |
579 | bfd_mach_o_section *os = bfd_mach_o_get_mach_o_section (osection); |
580 | bfd_mach_o_section *is = bfd_mach_o_get_mach_o_section (isection); | |
68ffbac6 | 581 | |
c9ffd2ea TG |
582 | if (ibfd->xvec->flavour != bfd_target_mach_o_flavour |
583 | || obfd->xvec->flavour != bfd_target_mach_o_flavour) | |
584 | return TRUE; | |
585 | ||
586 | BFD_ASSERT (is != NULL && os != NULL); | |
587 | ||
588 | os->flags = is->flags; | |
589 | os->reserved1 = is->reserved1; | |
590 | os->reserved2 = is->reserved2; | |
591 | os->reserved3 = is->reserved3; | |
a4551119 | 592 | |
b34976b6 | 593 | return TRUE; |
3af9a47b NC |
594 | } |
595 | ||
c6643fcc NC |
596 | static const char * |
597 | cputype (unsigned long value) | |
598 | { | |
599 | switch (value) | |
600 | { | |
601 | case BFD_MACH_O_CPU_TYPE_VAX: return "VAX"; | |
602 | case BFD_MACH_O_CPU_TYPE_MC680x0: return "MC68k"; | |
603 | case BFD_MACH_O_CPU_TYPE_I386: return "I386"; | |
604 | case BFD_MACH_O_CPU_TYPE_MIPS: return "MIPS"; | |
605 | case BFD_MACH_O_CPU_TYPE_MC98000: return "MC98k"; | |
606 | case BFD_MACH_O_CPU_TYPE_HPPA: return "HPPA"; | |
607 | case BFD_MACH_O_CPU_TYPE_ARM: return "ARM"; | |
608 | case BFD_MACH_O_CPU_TYPE_MC88000: return "MC88K"; | |
609 | case BFD_MACH_O_CPU_TYPE_SPARC: return "SPARC"; | |
610 | case BFD_MACH_O_CPU_TYPE_I860: return "I860"; | |
611 | case BFD_MACH_O_CPU_TYPE_ALPHA: return "ALPHA"; | |
612 | case BFD_MACH_O_CPU_TYPE_POWERPC: return "PPC"; | |
613 | case BFD_MACH_O_CPU_TYPE_POWERPC_64: return "PPC64"; | |
614 | case BFD_MACH_O_CPU_TYPE_X86_64: return "X86_64"; | |
615 | case BFD_MACH_O_CPU_TYPE_ARM64: return "ARM64"; | |
616 | default: return _("<unknown>"); | |
617 | } | |
618 | } | |
619 | ||
620 | static const char * | |
4bb7a87e | 621 | cpusubtype (unsigned long cpu_type, unsigned long cpu_subtype) |
c6643fcc NC |
622 | { |
623 | static char buffer[128]; | |
624 | ||
625 | buffer[0] = 0; | |
4bb7a87e | 626 | switch (cpu_subtype & BFD_MACH_O_CPU_SUBTYPE_MASK) |
c6643fcc NC |
627 | { |
628 | case 0: | |
629 | break; | |
630 | case BFD_MACH_O_CPU_SUBTYPE_LIB64: | |
631 | sprintf (buffer, " (LIB64)"); break; | |
632 | default: | |
633 | sprintf (buffer, _("<unknown mask flags>")); break; | |
634 | } | |
635 | ||
4bb7a87e | 636 | cpu_subtype &= ~ BFD_MACH_O_CPU_SUBTYPE_MASK; |
c6643fcc | 637 | |
4bb7a87e | 638 | switch (cpu_type) |
c6643fcc NC |
639 | { |
640 | case BFD_MACH_O_CPU_TYPE_X86_64: | |
641 | case BFD_MACH_O_CPU_TYPE_I386: | |
4bb7a87e | 642 | switch (cpu_subtype) |
c6643fcc NC |
643 | { |
644 | case BFD_MACH_O_CPU_SUBTYPE_X86_ALL: | |
645 | return strcat (buffer, " (X86_ALL)"); | |
646 | default: | |
647 | break; | |
648 | } | |
649 | break; | |
4b24dd1a | 650 | |
c6643fcc | 651 | case BFD_MACH_O_CPU_TYPE_ARM: |
4bb7a87e | 652 | switch (cpu_subtype) |
c6643fcc NC |
653 | { |
654 | case BFD_MACH_O_CPU_SUBTYPE_ARM_ALL: | |
655 | return strcat (buffer, " (ARM_ALL)"); | |
656 | case BFD_MACH_O_CPU_SUBTYPE_ARM_V4T: | |
657 | return strcat (buffer, " (ARM_V4T)"); | |
658 | case BFD_MACH_O_CPU_SUBTYPE_ARM_V6: | |
659 | return strcat (buffer, " (ARM_V6)"); | |
660 | case BFD_MACH_O_CPU_SUBTYPE_ARM_V5TEJ: | |
661 | return strcat (buffer, " (ARM_V5TEJ)"); | |
662 | case BFD_MACH_O_CPU_SUBTYPE_ARM_XSCALE: | |
663 | return strcat (buffer, " (ARM_XSCALE)"); | |
664 | case BFD_MACH_O_CPU_SUBTYPE_ARM_V7: | |
665 | return strcat (buffer, " (ARM_V7)"); | |
666 | default: | |
667 | break; | |
668 | } | |
669 | break; | |
4b24dd1a | 670 | |
c6643fcc | 671 | case BFD_MACH_O_CPU_TYPE_ARM64: |
4bb7a87e | 672 | switch (cpu_subtype) |
c6643fcc NC |
673 | { |
674 | case BFD_MACH_O_CPU_SUBTYPE_ARM64_ALL: | |
675 | return strcat (buffer, " (ARM64_ALL)"); | |
676 | case BFD_MACH_O_CPU_SUBTYPE_ARM64_V8: | |
677 | return strcat (buffer, " (ARM64_V8)"); | |
678 | default: | |
679 | break; | |
680 | } | |
681 | break; | |
682 | ||
683 | default: | |
684 | break; | |
685 | } | |
686 | ||
4bb7a87e | 687 | if (cpu_subtype != 0) |
c6643fcc NC |
688 | return strcat (buffer, _(" (<unknown>)")); |
689 | ||
690 | return buffer; | |
691 | } | |
692 | ||
693 | bfd_boolean | |
694 | bfd_mach_o_bfd_print_private_bfd_data (bfd *abfd, void *ptr) | |
695 | { | |
696 | FILE * file = (FILE *) ptr; | |
697 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
698 | ||
699 | fprintf (file, _(" MACH-O header:\n")); | |
700 | fprintf (file, _(" magic: %#lx\n"), (long) mdata->header.magic); | |
701 | fprintf (file, _(" cputype: %#lx (%s)\n"), (long) mdata->header.cputype, | |
702 | cputype (mdata->header.cputype)); | |
703 | fprintf (file, _(" cpusubtype: %#lx%s\n"), (long) mdata->header.cpusubtype, | |
704 | cpusubtype (mdata->header.cputype, mdata->header.cpusubtype)); | |
705 | fprintf (file, _(" filetype: %#lx\n"), (long) mdata->header.filetype); | |
706 | fprintf (file, _(" ncmds: %#lx\n"), (long) mdata->header.ncmds); | |
707 | fprintf (file, _(" sizeocmds: %#lx\n"), (long) mdata->header.sizeofcmds); | |
708 | fprintf (file, _(" flags: %#lx\n"), (long) mdata->header.flags); | |
709 | fprintf (file, _(" version: %x\n"), mdata->header.version); | |
4b24dd1a | 710 | |
c6643fcc NC |
711 | return TRUE; |
712 | } | |
713 | ||
3af9a47b NC |
714 | /* Copy any private info we understand from the input bfd |
715 | to the output bfd. */ | |
716 | ||
154a1ee5 | 717 | bfd_boolean |
967b2c53 | 718 | bfd_mach_o_bfd_copy_private_header_data (bfd *ibfd, bfd *obfd) |
3af9a47b | 719 | { |
c9ffd2ea TG |
720 | bfd_mach_o_data_struct *imdata; |
721 | bfd_mach_o_data_struct *omdata; | |
722 | bfd_mach_o_load_command *icmd; | |
723 | ||
154a1ee5 TG |
724 | if (bfd_get_flavour (ibfd) != bfd_target_mach_o_flavour |
725 | || bfd_get_flavour (obfd) != bfd_target_mach_o_flavour) | |
726 | return TRUE; | |
727 | ||
3af9a47b NC |
728 | BFD_ASSERT (bfd_mach_o_valid (ibfd)); |
729 | BFD_ASSERT (bfd_mach_o_valid (obfd)); | |
730 | ||
c9ffd2ea TG |
731 | imdata = bfd_mach_o_get_data (ibfd); |
732 | omdata = bfd_mach_o_get_data (obfd); | |
733 | ||
734 | /* Copy header flags. */ | |
735 | omdata->header.flags = imdata->header.flags; | |
736 | ||
c6643fcc NC |
737 | /* PR 23299. Copy the cputype. */ |
738 | if (imdata->header.cputype != omdata->header.cputype) | |
739 | { | |
740 | if (omdata->header.cputype == 0) | |
741 | omdata->header.cputype = imdata->header.cputype; | |
742 | else if (imdata->header.cputype != 0) | |
743 | /* Urg - what has happened ? */ | |
744 | _bfd_error_handler (_("incompatible cputypes in mach-o files: %ld vs %ld"), | |
745 | (long) imdata->header.cputype, | |
746 | (long) omdata->header.cputype); | |
747 | } | |
748 | ||
749 | /* Copy the cpusubtype. */ | |
750 | omdata->header.cpusubtype = imdata->header.cpusubtype; | |
4b24dd1a | 751 | |
c9ffd2ea TG |
752 | /* Copy commands. */ |
753 | for (icmd = imdata->first_command; icmd != NULL; icmd = icmd->next) | |
754 | { | |
755 | bfd_mach_o_load_command *ocmd; | |
756 | ||
757 | switch (icmd->type) | |
758 | { | |
759 | case BFD_MACH_O_LC_LOAD_DYLIB: | |
760 | case BFD_MACH_O_LC_LOAD_DYLINKER: | |
761 | case BFD_MACH_O_LC_DYLD_INFO: | |
762 | /* Command is copied. */ | |
763 | ocmd = bfd_alloc (obfd, sizeof (bfd_mach_o_load_command)); | |
764 | if (ocmd == NULL) | |
765 | return FALSE; | |
766 | ||
767 | /* Copy common fields. */ | |
768 | ocmd->type = icmd->type; | |
769 | ocmd->type_required = icmd->type_required; | |
770 | ocmd->offset = 0; | |
771 | ocmd->len = icmd->len; | |
772 | break; | |
773 | ||
774 | default: | |
775 | /* Command is not copied. */ | |
776 | continue; | |
777 | break; | |
778 | } | |
779 | ||
780 | switch (icmd->type) | |
781 | { | |
782 | case BFD_MACH_O_LC_LOAD_DYLIB: | |
783 | { | |
784 | bfd_mach_o_dylib_command *idy = &icmd->command.dylib; | |
785 | bfd_mach_o_dylib_command *ody = &ocmd->command.dylib; | |
786 | ||
787 | ody->name_offset = idy->name_offset; | |
788 | ody->timestamp = idy->timestamp; | |
789 | ody->current_version = idy->current_version; | |
790 | ody->compatibility_version = idy->compatibility_version; | |
791 | ody->name_str = idy->name_str; | |
792 | } | |
793 | break; | |
794 | ||
795 | case BFD_MACH_O_LC_LOAD_DYLINKER: | |
796 | { | |
797 | bfd_mach_o_dylinker_command *idy = &icmd->command.dylinker; | |
798 | bfd_mach_o_dylinker_command *ody = &ocmd->command.dylinker; | |
799 | ||
800 | ody->name_offset = idy->name_offset; | |
801 | ody->name_str = idy->name_str; | |
802 | } | |
803 | break; | |
804 | ||
805 | case BFD_MACH_O_LC_DYLD_INFO: | |
806 | { | |
807 | bfd_mach_o_dyld_info_command *idy = &icmd->command.dyld_info; | |
808 | bfd_mach_o_dyld_info_command *ody = &ocmd->command.dyld_info; | |
809 | ||
810 | if (bfd_mach_o_read_dyld_content (ibfd, idy)) | |
811 | { | |
812 | ody->rebase_size = idy->rebase_size; | |
813 | ody->rebase_content = idy->rebase_content; | |
814 | ||
815 | ody->bind_size = idy->bind_size; | |
816 | ody->bind_content = idy->bind_content; | |
817 | ||
818 | ody->weak_bind_size = idy->weak_bind_size; | |
819 | ody->weak_bind_content = idy->weak_bind_content; | |
820 | ||
821 | ody->lazy_bind_size = idy->lazy_bind_size; | |
822 | ody->lazy_bind_content = idy->lazy_bind_content; | |
823 | ||
824 | ody->export_size = idy->export_size; | |
825 | ody->export_content = idy->export_content; | |
826 | } | |
86eafac0 NC |
827 | /* PR 17512L: file: 730e492d. */ |
828 | else | |
829 | { | |
1b786873 L |
830 | ody->rebase_size = |
831 | ody->bind_size = | |
832 | ody->weak_bind_size = | |
833 | ody->lazy_bind_size = | |
86eafac0 | 834 | ody->export_size = 0; |
1b786873 L |
835 | ody->rebase_content = |
836 | ody->bind_content = | |
837 | ody->weak_bind_content = | |
838 | ody->lazy_bind_content = | |
86eafac0 NC |
839 | ody->export_content = NULL; |
840 | } | |
c9ffd2ea TG |
841 | } |
842 | break; | |
843 | ||
844 | default: | |
845 | /* That command should be handled. */ | |
846 | abort (); | |
847 | } | |
848 | ||
849 | /* Insert command. */ | |
850 | bfd_mach_o_append_command (obfd, ocmd); | |
851 | } | |
154a1ee5 | 852 | |
b34976b6 | 853 | return TRUE; |
3af9a47b NC |
854 | } |
855 | ||
0c9ef0f0 TG |
856 | /* This allows us to set up to 32 bits of flags (unless we invent some |
857 | fiendish scheme to subdivide). For now, we'll just set the file flags | |
858 | without error checking - just overwrite. */ | |
68ffbac6 | 859 | |
0c9ef0f0 TG |
860 | bfd_boolean |
861 | bfd_mach_o_bfd_set_private_flags (bfd *abfd, flagword flags) | |
862 | { | |
863 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
864 | ||
865 | if (!mdata) | |
866 | return FALSE; | |
867 | ||
868 | mdata->header.flags = flags; | |
869 | return TRUE; | |
870 | } | |
871 | ||
046b007d | 872 | /* Count the total number of symbols. */ |
154a1ee5 | 873 | |
3af9a47b | 874 | static long |
116c20d2 | 875 | bfd_mach_o_count_symbols (bfd *abfd) |
3af9a47b | 876 | { |
046b007d | 877 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
3af9a47b | 878 | |
046b007d TG |
879 | if (mdata->symtab == NULL) |
880 | return 0; | |
881 | return mdata->symtab->nsyms; | |
3af9a47b NC |
882 | } |
883 | ||
154a1ee5 | 884 | long |
116c20d2 | 885 | bfd_mach_o_get_symtab_upper_bound (bfd *abfd) |
3af9a47b NC |
886 | { |
887 | long nsyms = bfd_mach_o_count_symbols (abfd); | |
888 | ||
3af9a47b NC |
889 | return ((nsyms + 1) * sizeof (asymbol *)); |
890 | } | |
891 | ||
154a1ee5 | 892 | long |
116c20d2 | 893 | bfd_mach_o_canonicalize_symtab (bfd *abfd, asymbol **alocation) |
3af9a47b | 894 | { |
046b007d | 895 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
3af9a47b | 896 | long nsyms = bfd_mach_o_count_symbols (abfd); |
046b007d TG |
897 | bfd_mach_o_symtab_command *sym = mdata->symtab; |
898 | unsigned long j; | |
3af9a47b NC |
899 | |
900 | if (nsyms < 0) | |
901 | return nsyms; | |
902 | ||
092d27ff TG |
903 | if (nsyms == 0) |
904 | { | |
905 | /* Do not try to read symbols if there are none. */ | |
906 | alocation[0] = NULL; | |
907 | return 0; | |
908 | } | |
909 | ||
afbb9e17 | 910 | if (!bfd_mach_o_read_symtab_symbols (abfd)) |
3af9a47b | 911 | { |
4eca0228 | 912 | _bfd_error_handler |
07d6d2b8 | 913 | (_("bfd_mach_o_canonicalize_symtab: unable to load symbols")); |
046b007d TG |
914 | return 0; |
915 | } | |
3af9a47b | 916 | |
046b007d | 917 | BFD_ASSERT (sym->symbols != NULL); |
3af9a47b | 918 | |
046b007d TG |
919 | for (j = 0; j < sym->nsyms; j++) |
920 | alocation[j] = &sym->symbols[j].symbol; | |
3af9a47b | 921 | |
046b007d | 922 | alocation[j] = NULL; |
a95a4550 | 923 | |
3af9a47b NC |
924 | return nsyms; |
925 | } | |
926 | ||
aeefa1c9 TG |
927 | /* Create synthetic symbols for indirect symbols. */ |
928 | ||
b2b62060 TG |
929 | long |
930 | bfd_mach_o_get_synthetic_symtab (bfd *abfd, | |
07d6d2b8 AM |
931 | long symcount ATTRIBUTE_UNUSED, |
932 | asymbol **syms ATTRIBUTE_UNUSED, | |
933 | long dynsymcount ATTRIBUTE_UNUSED, | |
934 | asymbol **dynsyms ATTRIBUTE_UNUSED, | |
935 | asymbol **ret) | |
b2b62060 TG |
936 | { |
937 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
938 | bfd_mach_o_dysymtab_command *dysymtab = mdata->dysymtab; | |
939 | bfd_mach_o_symtab_command *symtab = mdata->symtab; | |
940 | asymbol *s; | |
896ca098 NC |
941 | char * s_start; |
942 | char * s_end; | |
b2b62060 TG |
943 | unsigned long count, i, j, n; |
944 | size_t size; | |
945 | char *names; | |
946 | char *nul_name; | |
896ca098 | 947 | const char stub [] = "$stub"; |
b2b62060 TG |
948 | |
949 | *ret = NULL; | |
950 | ||
aeefa1c9 | 951 | /* Stop now if no symbols or no indirect symbols. */ |
896ca098 NC |
952 | if (dysymtab == NULL || dysymtab->nindirectsyms == 0 |
953 | || symtab == NULL || symtab->symbols == NULL) | |
b2b62060 TG |
954 | return 0; |
955 | ||
aeefa1c9 TG |
956 | /* We need to allocate a bfd symbol for every indirect symbol and to |
957 | allocate the memory for its name. */ | |
b2b62060 TG |
958 | count = dysymtab->nindirectsyms; |
959 | size = count * sizeof (asymbol) + 1; | |
960 | ||
961 | for (j = 0; j < count; j++) | |
962 | { | |
896ca098 | 963 | const char * strng; |
b2b62060 | 964 | unsigned int isym = dysymtab->indirect_syms[j]; |
aeefa1c9 TG |
965 | |
966 | /* Some indirect symbols are anonymous. */ | |
896ca098 NC |
967 | if (isym < symtab->nsyms && (strng = symtab->symbols[isym].symbol.name)) |
968 | /* PR 17512: file: f5b8eeba. */ | |
969 | size += strnlen (strng, symtab->strsize - (strng - symtab->strtab)) + sizeof (stub); | |
b2b62060 TG |
970 | } |
971 | ||
896ca098 NC |
972 | s_start = bfd_malloc (size); |
973 | s = *ret = (asymbol *) s_start; | |
b2b62060 TG |
974 | if (s == NULL) |
975 | return -1; | |
976 | names = (char *) (s + count); | |
977 | nul_name = names; | |
978 | *names++ = 0; | |
896ca098 | 979 | s_end = s_start + size; |
68ffbac6 | 980 | |
b2b62060 TG |
981 | n = 0; |
982 | for (i = 0; i < mdata->nsects; i++) | |
983 | { | |
984 | bfd_mach_o_section *sec = mdata->sections[i]; | |
91d6fa6a | 985 | unsigned int first, last; |
b2b62060 TG |
986 | bfd_vma addr; |
987 | bfd_vma entry_size; | |
68ffbac6 | 988 | |
b2b62060 | 989 | switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK) |
07d6d2b8 AM |
990 | { |
991 | case BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS: | |
992 | case BFD_MACH_O_S_LAZY_SYMBOL_POINTERS: | |
993 | case BFD_MACH_O_S_SYMBOL_STUBS: | |
994 | /* Only these sections have indirect symbols. */ | |
995 | first = sec->reserved1; | |
996 | last = first + bfd_mach_o_section_get_nbr_indirect (abfd, sec); | |
997 | addr = sec->addr; | |
998 | entry_size = bfd_mach_o_section_get_entry_size (abfd, sec); | |
896ca098 NC |
999 | |
1000 | /* PR 17512: file: 08e15eec. */ | |
1001 | if (first >= count || last >= count || first > last) | |
1002 | goto fail; | |
1003 | ||
07d6d2b8 AM |
1004 | for (j = first; j < last; j++) |
1005 | { | |
1006 | unsigned int isym = dysymtab->indirect_syms[j]; | |
b2b62060 | 1007 | |
896ca098 NC |
1008 | /* PR 17512: file: 04d64d9b. */ |
1009 | if (((char *) s) + sizeof (* s) > s_end) | |
1010 | goto fail; | |
1011 | ||
07d6d2b8 AM |
1012 | s->flags = BSF_GLOBAL | BSF_SYNTHETIC; |
1013 | s->section = sec->bfdsection; | |
1014 | s->value = addr - sec->addr; | |
1015 | s->udata.p = NULL; | |
68ffbac6 | 1016 | |
07d6d2b8 AM |
1017 | if (isym < symtab->nsyms |
1018 | && symtab->symbols[isym].symbol.name) | |
1019 | { | |
1020 | const char *sym = symtab->symbols[isym].symbol.name; | |
1021 | size_t len; | |
b2b62060 | 1022 | |
07d6d2b8 AM |
1023 | s->name = names; |
1024 | len = strlen (sym); | |
896ca098 NC |
1025 | /* PR 17512: file: 47dfd4d2. */ |
1026 | if (names + len >= s_end) | |
1027 | goto fail; | |
07d6d2b8 AM |
1028 | memcpy (names, sym, len); |
1029 | names += len; | |
896ca098 NC |
1030 | /* PR 17512: file: 18f340a4. */ |
1031 | if (names + sizeof (stub) >= s_end) | |
1032 | goto fail; | |
07d6d2b8 AM |
1033 | memcpy (names, stub, sizeof (stub)); |
1034 | names += sizeof (stub); | |
1035 | } | |
1036 | else | |
1037 | s->name = nul_name; | |
1038 | ||
1039 | addr += entry_size; | |
1040 | s++; | |
1041 | n++; | |
1042 | } | |
1043 | break; | |
1044 | default: | |
1045 | break; | |
1046 | } | |
b2b62060 TG |
1047 | } |
1048 | ||
1049 | return n; | |
896ca098 NC |
1050 | |
1051 | fail: | |
1052 | free (s_start); | |
1053 | * ret = NULL; | |
1054 | return -1; | |
b2b62060 TG |
1055 | } |
1056 | ||
154a1ee5 | 1057 | void |
116c20d2 NC |
1058 | bfd_mach_o_get_symbol_info (bfd *abfd ATTRIBUTE_UNUSED, |
1059 | asymbol *symbol, | |
1060 | symbol_info *ret) | |
3af9a47b NC |
1061 | { |
1062 | bfd_symbol_info (symbol, ret); | |
1063 | } | |
1064 | ||
154a1ee5 | 1065 | void |
116c20d2 | 1066 | bfd_mach_o_print_symbol (bfd *abfd, |
91d6fa6a | 1067 | void * afile, |
116c20d2 NC |
1068 | asymbol *symbol, |
1069 | bfd_print_symbol_type how) | |
3af9a47b NC |
1070 | { |
1071 | FILE *file = (FILE *) afile; | |
15e1c58a | 1072 | const char *name; |
92bc0e80 | 1073 | bfd_mach_o_asymbol *asym = (bfd_mach_o_asymbol *)symbol; |
3af9a47b NC |
1074 | |
1075 | switch (how) | |
1076 | { | |
1077 | case bfd_print_symbol_name: | |
1078 | fprintf (file, "%s", symbol->name); | |
1079 | break; | |
1080 | default: | |
91d6fa6a | 1081 | bfd_print_symbol_vandf (abfd, (void *) file, symbol); |
92bc0e80 TG |
1082 | if (asym->n_type & BFD_MACH_O_N_STAB) |
1083 | name = bfd_get_stab_name (asym->n_type); | |
15e1c58a | 1084 | else |
92bc0e80 | 1085 | switch (asym->n_type & BFD_MACH_O_N_TYPE) |
15e1c58a TG |
1086 | { |
1087 | case BFD_MACH_O_N_UNDF: | |
07d6d2b8 AM |
1088 | if (symbol->value == 0) |
1089 | name = "UND"; | |
1090 | else | |
1091 | name = "COM"; | |
15e1c58a TG |
1092 | break; |
1093 | case BFD_MACH_O_N_ABS: | |
1094 | name = "ABS"; | |
1095 | break; | |
1096 | case BFD_MACH_O_N_INDR: | |
1097 | name = "INDR"; | |
1098 | break; | |
1099 | case BFD_MACH_O_N_PBUD: | |
1100 | name = "PBUD"; | |
1101 | break; | |
1102 | case BFD_MACH_O_N_SECT: | |
1103 | name = "SECT"; | |
1104 | break; | |
1105 | default: | |
1106 | name = "???"; | |
1107 | break; | |
1108 | } | |
1109 | if (name == NULL) | |
1110 | name = ""; | |
92bc0e80 | 1111 | fprintf (file, " %02x %-6s %02x %04x", |
07d6d2b8 | 1112 | asym->n_type, name, asym->n_sect, asym->n_desc); |
92bc0e80 TG |
1113 | if ((asym->n_type & BFD_MACH_O_N_STAB) == 0 |
1114 | && (asym->n_type & BFD_MACH_O_N_TYPE) == BFD_MACH_O_N_SECT) | |
e0ce1005 | 1115 | fprintf (file, " [%s]", symbol->section->name); |
15e1c58a | 1116 | fprintf (file, " %s", symbol->name); |
3af9a47b NC |
1117 | } |
1118 | } | |
1119 | ||
1120 | static void | |
116c20d2 | 1121 | bfd_mach_o_convert_architecture (bfd_mach_o_cpu_type mtype, |
0b2de107 | 1122 | bfd_mach_o_cpu_subtype msubtype, |
116c20d2 NC |
1123 | enum bfd_architecture *type, |
1124 | unsigned long *subtype) | |
3af9a47b NC |
1125 | { |
1126 | *subtype = bfd_arch_unknown; | |
1127 | ||
1128 | switch (mtype) | |
1129 | { | |
0b2de107 TG |
1130 | case BFD_MACH_O_CPU_TYPE_VAX: |
1131 | *type = bfd_arch_vax; | |
1132 | break; | |
1133 | case BFD_MACH_O_CPU_TYPE_MC680x0: | |
1134 | *type = bfd_arch_m68k; | |
1135 | break; | |
1e8a024a TG |
1136 | case BFD_MACH_O_CPU_TYPE_I386: |
1137 | *type = bfd_arch_i386; | |
1138 | *subtype = bfd_mach_i386_i386; | |
1139 | break; | |
1140 | case BFD_MACH_O_CPU_TYPE_X86_64: | |
1141 | *type = bfd_arch_i386; | |
1142 | *subtype = bfd_mach_x86_64; | |
1143 | break; | |
0b2de107 TG |
1144 | case BFD_MACH_O_CPU_TYPE_MIPS: |
1145 | *type = bfd_arch_mips; | |
1146 | break; | |
1147 | case BFD_MACH_O_CPU_TYPE_MC98000: | |
1148 | *type = bfd_arch_m98k; | |
1149 | break; | |
1150 | case BFD_MACH_O_CPU_TYPE_HPPA: | |
1151 | *type = bfd_arch_hppa; | |
1152 | break; | |
1153 | case BFD_MACH_O_CPU_TYPE_ARM: | |
1154 | *type = bfd_arch_arm; | |
1155 | switch (msubtype) | |
07d6d2b8 AM |
1156 | { |
1157 | case BFD_MACH_O_CPU_SUBTYPE_ARM_V4T: | |
1158 | *subtype = bfd_mach_arm_4T; | |
1159 | break; | |
1160 | case BFD_MACH_O_CPU_SUBTYPE_ARM_V6: | |
1161 | *subtype = bfd_mach_arm_4T; /* Best fit ? */ | |
1162 | break; | |
1163 | case BFD_MACH_O_CPU_SUBTYPE_ARM_V5TEJ: | |
1164 | *subtype = bfd_mach_arm_5TE; | |
1165 | break; | |
1166 | case BFD_MACH_O_CPU_SUBTYPE_ARM_XSCALE: | |
1167 | *subtype = bfd_mach_arm_XScale; | |
1168 | break; | |
1169 | case BFD_MACH_O_CPU_SUBTYPE_ARM_V7: | |
1170 | *subtype = bfd_mach_arm_5TE; /* Best fit ? */ | |
1171 | break; | |
1172 | case BFD_MACH_O_CPU_SUBTYPE_ARM_ALL: | |
1173 | default: | |
1174 | break; | |
1175 | } | |
0b2de107 | 1176 | break; |
1e8a024a TG |
1177 | case BFD_MACH_O_CPU_TYPE_SPARC: |
1178 | *type = bfd_arch_sparc; | |
1179 | *subtype = bfd_mach_sparc; | |
1180 | break; | |
0b2de107 TG |
1181 | case BFD_MACH_O_CPU_TYPE_ALPHA: |
1182 | *type = bfd_arch_alpha; | |
1183 | break; | |
1e8a024a TG |
1184 | case BFD_MACH_O_CPU_TYPE_POWERPC: |
1185 | *type = bfd_arch_powerpc; | |
c2f09c75 | 1186 | *subtype = bfd_mach_ppc; |
1e8a024a TG |
1187 | break; |
1188 | case BFD_MACH_O_CPU_TYPE_POWERPC_64: | |
1189 | *type = bfd_arch_powerpc; | |
c2f09c75 | 1190 | *subtype = bfd_mach_ppc64; |
1e8a024a | 1191 | break; |
d8028530 TG |
1192 | case BFD_MACH_O_CPU_TYPE_ARM64: |
1193 | *type = bfd_arch_aarch64; | |
1194 | *subtype = bfd_mach_aarch64; | |
1195 | break; | |
3af9a47b | 1196 | default: |
1e8a024a TG |
1197 | *type = bfd_arch_unknown; |
1198 | break; | |
3af9a47b NC |
1199 | } |
1200 | } | |
a95a4550 | 1201 | |
c9ffd2ea TG |
1202 | /* Write n NUL bytes to ABFD so that LEN + n is a multiple of 4. Return the |
1203 | number of bytes written or -1 in case of error. */ | |
1204 | ||
1205 | static int | |
1206 | bfd_mach_o_pad4 (bfd *abfd, unsigned int len) | |
1207 | { | |
1208 | if (len % 4 != 0) | |
1209 | { | |
1210 | char pad[4] = {0,0,0,0}; | |
1211 | unsigned int padlen = 4 - (len % 4); | |
1212 | ||
1213 | if (bfd_bwrite (pad, padlen, abfd) != padlen) | |
1214 | return -1; | |
1215 | ||
1216 | return padlen; | |
1217 | } | |
1218 | else | |
1219 | return 0; | |
1220 | } | |
1221 | ||
1222 | /* Likewise, but for a command. */ | |
1223 | ||
1224 | static int | |
1225 | bfd_mach_o_pad_command (bfd *abfd, unsigned int len) | |
1226 | { | |
1227 | unsigned int align = bfd_mach_o_wide_p (abfd) ? 8 : 4; | |
1228 | ||
1229 | if (len % align != 0) | |
1230 | { | |
1231 | char pad[8] = {0}; | |
1232 | unsigned int padlen = align - (len % align); | |
1233 | ||
1234 | if (bfd_bwrite (pad, padlen, abfd) != padlen) | |
1235 | return -1; | |
1236 | ||
1237 | return padlen; | |
1238 | } | |
1239 | else | |
1240 | return 0; | |
1241 | } | |
1242 | ||
154a1ee5 | 1243 | static bfd_boolean |
116c20d2 NC |
1244 | bfd_mach_o_write_header (bfd *abfd, bfd_mach_o_header *header) |
1245 | { | |
46d1c23b | 1246 | struct mach_o_header_external raw; |
1e8a024a TG |
1247 | unsigned int size; |
1248 | ||
c2f09c75 | 1249 | size = mach_o_wide_p (header) ? |
154a1ee5 | 1250 | BFD_MACH_O_HEADER_64_SIZE : BFD_MACH_O_HEADER_SIZE; |
116c20d2 | 1251 | |
46d1c23b TG |
1252 | bfd_h_put_32 (abfd, header->magic, raw.magic); |
1253 | bfd_h_put_32 (abfd, header->cputype, raw.cputype); | |
1254 | bfd_h_put_32 (abfd, header->cpusubtype, raw.cpusubtype); | |
1255 | bfd_h_put_32 (abfd, header->filetype, raw.filetype); | |
1256 | bfd_h_put_32 (abfd, header->ncmds, raw.ncmds); | |
1257 | bfd_h_put_32 (abfd, header->sizeofcmds, raw.sizeofcmds); | |
1258 | bfd_h_put_32 (abfd, header->flags, raw.flags); | |
116c20d2 | 1259 | |
c2f09c75 | 1260 | if (mach_o_wide_p (header)) |
46d1c23b | 1261 | bfd_h_put_32 (abfd, header->reserved, raw.reserved); |
1e8a024a | 1262 | |
c2f09c75 | 1263 | if (bfd_seek (abfd, 0, SEEK_SET) != 0 |
46d1c23b | 1264 | || bfd_bwrite (&raw, size, abfd) != size) |
154a1ee5 | 1265 | return FALSE; |
116c20d2 | 1266 | |
154a1ee5 | 1267 | return TRUE; |
116c20d2 NC |
1268 | } |
1269 | ||
452216ab | 1270 | static bfd_boolean |
ab273af8 | 1271 | bfd_mach_o_write_thread (bfd *abfd, bfd_mach_o_load_command *command) |
116c20d2 NC |
1272 | { |
1273 | bfd_mach_o_thread_command *cmd = &command->command.thread; | |
1274 | unsigned int i; | |
46d1c23b | 1275 | struct mach_o_thread_command_external raw; |
92bc0e80 | 1276 | unsigned int offset; |
116c20d2 NC |
1277 | |
1278 | BFD_ASSERT ((command->type == BFD_MACH_O_LC_THREAD) | |
1279 | || (command->type == BFD_MACH_O_LC_UNIXTHREAD)); | |
1280 | ||
c9ffd2ea | 1281 | offset = BFD_MACH_O_LC_SIZE; |
116c20d2 NC |
1282 | for (i = 0; i < cmd->nflavours; i++) |
1283 | { | |
1284 | BFD_ASSERT ((cmd->flavours[i].size % 4) == 0); | |
46d1c23b | 1285 | BFD_ASSERT (cmd->flavours[i].offset == |
07d6d2b8 | 1286 | (command->offset + offset + BFD_MACH_O_LC_SIZE)); |
116c20d2 | 1287 | |
46d1c23b TG |
1288 | bfd_h_put_32 (abfd, cmd->flavours[i].flavour, raw.flavour); |
1289 | bfd_h_put_32 (abfd, (cmd->flavours[i].size / 4), raw.count); | |
116c20d2 | 1290 | |
c2f09c75 | 1291 | if (bfd_seek (abfd, command->offset + offset, SEEK_SET) != 0 |
07d6d2b8 | 1292 | || bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw)) |
452216ab | 1293 | return FALSE; |
116c20d2 | 1294 | |
46d1c23b | 1295 | offset += cmd->flavours[i].size + sizeof (raw); |
116c20d2 NC |
1296 | } |
1297 | ||
452216ab | 1298 | return TRUE; |
116c20d2 NC |
1299 | } |
1300 | ||
c9ffd2ea TG |
1301 | static bfd_boolean |
1302 | bfd_mach_o_write_dylinker (bfd *abfd, bfd_mach_o_load_command *command) | |
1303 | { | |
1304 | bfd_mach_o_dylinker_command *cmd = &command->command.dylinker; | |
1305 | struct mach_o_str_command_external raw; | |
1306 | unsigned int namelen; | |
1307 | ||
1308 | bfd_h_put_32 (abfd, cmd->name_offset, raw.str); | |
1309 | ||
1310 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 | |
1311 | || bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
1312 | return FALSE; | |
1313 | ||
1314 | namelen = strlen (cmd->name_str) + 1; | |
1315 | if (bfd_bwrite (cmd->name_str, namelen, abfd) != namelen) | |
1316 | return FALSE; | |
1317 | ||
1318 | if (bfd_mach_o_pad_command (abfd, namelen) < 0) | |
1319 | return FALSE; | |
1320 | ||
1321 | return TRUE; | |
1322 | } | |
1323 | ||
1324 | static bfd_boolean | |
1325 | bfd_mach_o_write_dylib (bfd *abfd, bfd_mach_o_load_command *command) | |
1326 | { | |
1327 | bfd_mach_o_dylib_command *cmd = &command->command.dylib; | |
1328 | struct mach_o_dylib_command_external raw; | |
1329 | unsigned int namelen; | |
1330 | ||
1331 | bfd_h_put_32 (abfd, cmd->name_offset, raw.name); | |
1332 | bfd_h_put_32 (abfd, cmd->timestamp, raw.timestamp); | |
1333 | bfd_h_put_32 (abfd, cmd->current_version, raw.current_version); | |
1334 | bfd_h_put_32 (abfd, cmd->compatibility_version, raw.compatibility_version); | |
1335 | ||
1336 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 | |
1337 | || bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
1338 | return FALSE; | |
1339 | ||
1340 | namelen = strlen (cmd->name_str) + 1; | |
1341 | if (bfd_bwrite (cmd->name_str, namelen, abfd) != namelen) | |
1342 | return FALSE; | |
1343 | ||
1344 | if (bfd_mach_o_pad_command (abfd, namelen) < 0) | |
1345 | return FALSE; | |
1346 | ||
1347 | return TRUE; | |
1348 | } | |
1349 | ||
1350 | static bfd_boolean | |
1351 | bfd_mach_o_write_main (bfd *abfd, bfd_mach_o_load_command *command) | |
1352 | { | |
1353 | bfd_mach_o_main_command *cmd = &command->command.main; | |
1354 | struct mach_o_entry_point_command_external raw; | |
1355 | ||
1356 | bfd_h_put_64 (abfd, cmd->entryoff, raw.entryoff); | |
1357 | bfd_h_put_64 (abfd, cmd->stacksize, raw.stacksize); | |
1358 | ||
1359 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 | |
1360 | || bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
1361 | return FALSE; | |
1362 | ||
1363 | return TRUE; | |
1364 | } | |
1365 | ||
1366 | static bfd_boolean | |
1367 | bfd_mach_o_write_dyld_info (bfd *abfd, bfd_mach_o_load_command *command) | |
1368 | { | |
1369 | bfd_mach_o_dyld_info_command *cmd = &command->command.dyld_info; | |
1370 | struct mach_o_dyld_info_command_external raw; | |
1371 | ||
1372 | bfd_h_put_32 (abfd, cmd->rebase_off, raw.rebase_off); | |
1373 | bfd_h_put_32 (abfd, cmd->rebase_size, raw.rebase_size); | |
1374 | bfd_h_put_32 (abfd, cmd->bind_off, raw.bind_off); | |
1375 | bfd_h_put_32 (abfd, cmd->bind_size, raw.bind_size); | |
1376 | bfd_h_put_32 (abfd, cmd->weak_bind_off, raw.weak_bind_off); | |
1377 | bfd_h_put_32 (abfd, cmd->weak_bind_size, raw.weak_bind_size); | |
1378 | bfd_h_put_32 (abfd, cmd->lazy_bind_off, raw.lazy_bind_off); | |
1379 | bfd_h_put_32 (abfd, cmd->lazy_bind_size, raw.lazy_bind_size); | |
1380 | bfd_h_put_32 (abfd, cmd->export_off, raw.export_off); | |
1381 | bfd_h_put_32 (abfd, cmd->export_size, raw.export_size); | |
1382 | ||
1383 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 | |
1384 | || bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
1385 | return FALSE; | |
1386 | ||
1387 | if (cmd->rebase_size != 0) | |
1388 | if (bfd_seek (abfd, cmd->rebase_off, SEEK_SET) != 0 | |
1389 | || (bfd_bwrite (cmd->rebase_content, cmd->rebase_size, abfd) != | |
1390 | cmd->rebase_size)) | |
1391 | return FALSE; | |
1392 | ||
1393 | if (cmd->bind_size != 0) | |
1394 | if (bfd_seek (abfd, cmd->bind_off, SEEK_SET) != 0 | |
1395 | || (bfd_bwrite (cmd->bind_content, cmd->bind_size, abfd) != | |
1396 | cmd->bind_size)) | |
1397 | return FALSE; | |
1398 | ||
1399 | if (cmd->weak_bind_size != 0) | |
1400 | if (bfd_seek (abfd, cmd->weak_bind_off, SEEK_SET) != 0 | |
1401 | || (bfd_bwrite (cmd->weak_bind_content, cmd->weak_bind_size, abfd) != | |
1402 | cmd->weak_bind_size)) | |
1403 | return FALSE; | |
1404 | ||
1405 | if (cmd->lazy_bind_size != 0) | |
1406 | if (bfd_seek (abfd, cmd->lazy_bind_off, SEEK_SET) != 0 | |
1407 | || (bfd_bwrite (cmd->lazy_bind_content, cmd->lazy_bind_size, abfd) != | |
1408 | cmd->lazy_bind_size)) | |
1409 | return FALSE; | |
1410 | ||
1411 | if (cmd->export_size != 0) | |
1412 | if (bfd_seek (abfd, cmd->export_off, SEEK_SET) != 0 | |
1413 | || (bfd_bwrite (cmd->export_content, cmd->export_size, abfd) != | |
1414 | cmd->export_size)) | |
1415 | return FALSE; | |
1416 | ||
1417 | return TRUE; | |
1418 | } | |
1419 | ||
92bc0e80 TG |
1420 | long |
1421 | bfd_mach_o_get_reloc_upper_bound (bfd *abfd ATTRIBUTE_UNUSED, | |
07d6d2b8 | 1422 | asection *asect) |
92bc0e80 | 1423 | { |
242a1159 | 1424 | #if SIZEOF_LONG == SIZEOF_INT |
7a6e0d89 AM |
1425 | if (asect->reloc_count >= LONG_MAX / sizeof (arelent *)) |
1426 | { | |
1427 | bfd_set_error (bfd_error_file_too_big); | |
1428 | return -1; | |
1429 | } | |
242a1159 | 1430 | #endif |
7a6e0d89 | 1431 | return (asect->reloc_count + 1) * sizeof (arelent *); |
92bc0e80 TG |
1432 | } |
1433 | ||
19765f52 IS |
1434 | /* In addition to the need to byte-swap the symbol number, the bit positions |
1435 | of the fields in the relocation information vary per target endian-ness. */ | |
1436 | ||
bcb51645 | 1437 | void |
19765f52 | 1438 | bfd_mach_o_swap_in_non_scattered_reloc (bfd *abfd, bfd_mach_o_reloc_info *rel, |
c6643fcc | 1439 | unsigned char *fields) |
19765f52 IS |
1440 | { |
1441 | unsigned char info = fields[3]; | |
1442 | ||
1443 | if (bfd_big_endian (abfd)) | |
1444 | { | |
1445 | rel->r_value = (fields[0] << 16) | (fields[1] << 8) | fields[2]; | |
1446 | rel->r_type = (info >> BFD_MACH_O_BE_TYPE_SHIFT) & BFD_MACH_O_TYPE_MASK; | |
1447 | rel->r_pcrel = (info & BFD_MACH_O_BE_PCREL) ? 1 : 0; | |
68ffbac6 | 1448 | rel->r_length = (info >> BFD_MACH_O_BE_LENGTH_SHIFT) |
19765f52 IS |
1449 | & BFD_MACH_O_LENGTH_MASK; |
1450 | rel->r_extern = (info & BFD_MACH_O_BE_EXTERN) ? 1 : 0; | |
1451 | } | |
1452 | else | |
1453 | { | |
1454 | rel->r_value = (fields[2] << 16) | (fields[1] << 8) | fields[0]; | |
1455 | rel->r_type = (info >> BFD_MACH_O_LE_TYPE_SHIFT) & BFD_MACH_O_TYPE_MASK; | |
1456 | rel->r_pcrel = (info & BFD_MACH_O_LE_PCREL) ? 1 : 0; | |
68ffbac6 | 1457 | rel->r_length = (info >> BFD_MACH_O_LE_LENGTH_SHIFT) |
19765f52 IS |
1458 | & BFD_MACH_O_LENGTH_MASK; |
1459 | rel->r_extern = (info & BFD_MACH_O_LE_EXTERN) ? 1 : 0; | |
1460 | } | |
1461 | } | |
1462 | ||
bcb51645 TG |
1463 | /* Set syms_ptr_ptr and addend of RES. */ |
1464 | ||
1465 | bfd_boolean | |
1466 | bfd_mach_o_canonicalize_non_scattered_reloc (bfd *abfd, | |
1467 | bfd_mach_o_reloc_info *reloc, | |
1468 | arelent *res, asymbol **syms) | |
92bc0e80 | 1469 | { |
046b007d | 1470 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
bcb51645 | 1471 | unsigned int num; |
b32e07d7 TG |
1472 | asymbol **sym; |
1473 | ||
bcb51645 TG |
1474 | /* Non-scattered relocation. */ |
1475 | reloc->r_scattered = 0; | |
1476 | res->addend = 0; | |
1477 | ||
1478 | num = reloc->r_value; | |
1479 | ||
1480 | if (reloc->r_extern) | |
1481 | { | |
1482 | /* PR 17512: file: 8396-1185-0.004. */ | |
1483 | if (num >= (unsigned) bfd_mach_o_count_symbols (abfd)) | |
1484 | sym = bfd_und_section_ptr->symbol_ptr_ptr; | |
1485 | else if (syms == NULL) | |
1486 | sym = bfd_und_section_ptr->symbol_ptr_ptr; | |
1487 | else | |
1488 | /* An external symbol number. */ | |
1489 | sym = syms + num; | |
1490 | } | |
1491 | else if (num == 0x00ffffff || num == 0) | |
1492 | { | |
1493 | /* The 'symnum' in a non-scattered PAIR is 0x00ffffff. But as this | |
1494 | is generic code, we don't know wether this is really a PAIR. | |
1495 | This value is almost certainly not a valid section number, hence | |
1496 | this specific case to avoid an assertion failure. | |
1497 | Target specific swap_reloc_in routine should adjust that. */ | |
1498 | sym = bfd_abs_section_ptr->symbol_ptr_ptr; | |
1499 | } | |
1500 | else | |
1501 | { | |
1502 | /* PR 17512: file: 006-2964-0.004. */ | |
1503 | if (num > mdata->nsects) | |
a68aa5d3 NC |
1504 | { |
1505 | _bfd_error_handler (_("\ | |
1506 | malformed mach-o reloc: section index is greater than the number of sections")); | |
1507 | return FALSE; | |
1508 | } | |
bcb51645 TG |
1509 | |
1510 | /* A section number. */ | |
1511 | sym = mdata->sections[num - 1]->bfdsection->symbol_ptr_ptr; | |
1512 | /* For a symbol defined in section S, the addend (stored in the | |
1513 | binary) contains the address of the section. To comply with | |
1514 | bfd convention, subtract the section address. | |
1515 | Use the address from the header, so that the user can modify | |
07d6d2b8 | 1516 | the vma of the section. */ |
bcb51645 TG |
1517 | res->addend = -mdata->sections[num - 1]->addr; |
1518 | } | |
1519 | ||
1520 | /* Note: Pairs for PPC LO/HI/HA are not scattered, but contain the offset | |
1521 | in the lower 16bits of the address value. So we have to find the | |
1522 | 'symbol' from the preceding reloc. We do this even though the | |
1523 | section symbol is probably not needed here, because NULL symbol | |
1524 | values cause an assert in generic BFD code. This must be done in | |
1525 | the PPC swap_reloc_in routine. */ | |
1526 | res->sym_ptr_ptr = sym; | |
1527 | ||
1528 | return TRUE; | |
1529 | } | |
1530 | ||
1531 | /* Do most of the work for canonicalize_relocs on RAW: create internal | |
1532 | representation RELOC and set most fields of RES using symbol table SYMS. | |
1533 | Each target still has to set the howto of RES and possibly adjust other | |
1534 | fields. | |
1535 | Previously the Mach-O hook point was simply swap_in, but some targets | |
1536 | (like arm64) don't follow the generic rules (symnum is a value for the | |
1537 | non-scattered relocation ADDEND). */ | |
1538 | ||
1539 | bfd_boolean | |
1540 | bfd_mach_o_pre_canonicalize_one_reloc (bfd *abfd, | |
1541 | struct mach_o_reloc_info_external *raw, | |
1542 | bfd_mach_o_reloc_info *reloc, | |
1543 | arelent *res, asymbol **syms) | |
1544 | { | |
1545 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
1546 | bfd_vma addr; | |
1547 | ||
46d1c23b | 1548 | addr = bfd_get_32 (abfd, raw->r_address); |
19765f52 IS |
1549 | res->sym_ptr_ptr = NULL; |
1550 | res->addend = 0; | |
f4716ee2 | 1551 | |
b32e07d7 TG |
1552 | if (addr & BFD_MACH_O_SR_SCATTERED) |
1553 | { | |
1554 | unsigned int j; | |
19765f52 | 1555 | bfd_vma symnum = bfd_get_32 (abfd, raw->r_symbolnum); |
b32e07d7 | 1556 | |
19765f52 | 1557 | /* Scattered relocation, can't be extern. */ |
bcb51645 TG |
1558 | reloc->r_scattered = 1; |
1559 | reloc->r_extern = 0; | |
19765f52 IS |
1560 | |
1561 | /* Extract section and offset from r_value (symnum). */ | |
bcb51645 | 1562 | reloc->r_value = symnum; |
19765f52 IS |
1563 | /* FIXME: This breaks when a symbol in a reloc exactly follows the |
1564 | end of the data for the section (e.g. in a calculation of section | |
1565 | data length). At present, the symbol will end up associated with | |
1566 | the following section or, if it falls within alignment padding, as | |
1567 | null - which will assert later. */ | |
b32e07d7 | 1568 | for (j = 0; j < mdata->nsects; j++) |
07d6d2b8 AM |
1569 | { |
1570 | bfd_mach_o_section *sect = mdata->sections[j]; | |
1571 | if (symnum >= sect->addr && symnum < sect->addr + sect->size) | |
1572 | { | |
1573 | res->sym_ptr_ptr = sect->bfdsection->symbol_ptr_ptr; | |
1574 | res->addend = symnum - sect->addr; | |
1575 | break; | |
1576 | } | |
1577 | } | |
19765f52 IS |
1578 | |
1579 | /* Extract the info and address fields from r_address. */ | |
bcb51645 TG |
1580 | reloc->r_type = BFD_MACH_O_GET_SR_TYPE (addr); |
1581 | reloc->r_length = BFD_MACH_O_GET_SR_LENGTH (addr); | |
1582 | reloc->r_pcrel = addr & BFD_MACH_O_SR_PCREL; | |
1583 | reloc->r_address = BFD_MACH_O_GET_SR_TYPE (addr); | |
19765f52 | 1584 | res->address = BFD_MACH_O_GET_SR_ADDRESS (addr); |
b32e07d7 TG |
1585 | } |
1586 | else | |
1587 | { | |
19765f52 | 1588 | /* Non-scattered relocation. */ |
bcb51645 TG |
1589 | reloc->r_scattered = 0; |
1590 | reloc->r_address = addr; | |
1591 | res->address = addr; | |
f4716ee2 | 1592 | |
19765f52 | 1593 | /* The value and info fields have to be extracted dependent on target |
07d6d2b8 | 1594 | endian-ness. */ |
bcb51645 | 1595 | bfd_mach_o_swap_in_non_scattered_reloc (abfd, reloc, raw->r_symbolnum); |
19765f52 | 1596 | |
bcb51645 TG |
1597 | if (!bfd_mach_o_canonicalize_non_scattered_reloc (abfd, reloc, |
1598 | res, syms)) | |
1599 | return FALSE; | |
b32e07d7 | 1600 | } |
f4716ee2 TG |
1601 | |
1602 | /* We have set up a reloc with all the information present, so the swapper | |
1603 | can modify address, value and addend fields, if necessary, to convey | |
1604 | information in the generic BFD reloc that is mach-o specific. */ | |
19765f52 | 1605 | |
bcb51645 | 1606 | return TRUE; |
b32e07d7 TG |
1607 | } |
1608 | ||
1609 | static int | |
1610 | bfd_mach_o_canonicalize_relocs (bfd *abfd, unsigned long filepos, | |
07d6d2b8 AM |
1611 | unsigned long count, |
1612 | arelent *res, asymbol **syms) | |
b32e07d7 | 1613 | { |
bcb51645 | 1614 | bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd); |
92bc0e80 | 1615 | unsigned long i; |
a68aa5d3 | 1616 | struct mach_o_reloc_info_external *native_relocs = NULL; |
92bc0e80 TG |
1617 | bfd_size_type native_size; |
1618 | ||
92bc0e80 | 1619 | /* Allocate and read relocs. */ |
b32e07d7 | 1620 | native_size = count * BFD_MACH_O_RELENT_SIZE; |
033539e2 | 1621 | |
64d29018 NC |
1622 | /* PR 17512: file: 09477b57. */ |
1623 | if (native_size < count) | |
a68aa5d3 | 1624 | goto err; |
64d29018 | 1625 | |
46d1c23b TG |
1626 | native_relocs = |
1627 | (struct mach_o_reloc_info_external *) bfd_malloc (native_size); | |
92bc0e80 TG |
1628 | if (native_relocs == NULL) |
1629 | return -1; | |
1630 | ||
b32e07d7 | 1631 | if (bfd_seek (abfd, filepos, SEEK_SET) != 0 |
92bc0e80 | 1632 | || bfd_bread (native_relocs, native_size, abfd) != native_size) |
b32e07d7 TG |
1633 | goto err; |
1634 | ||
1635 | for (i = 0; i < count; i++) | |
92bc0e80 | 1636 | { |
bcb51645 | 1637 | if (!(*bed->_bfd_mach_o_canonicalize_one_reloc)(abfd, &native_relocs[i], |
ca4cf9b9 | 1638 | &res[i], syms, res)) |
07d6d2b8 | 1639 | goto err; |
92bc0e80 | 1640 | } |
b32e07d7 TG |
1641 | free (native_relocs); |
1642 | return i; | |
a68aa5d3 | 1643 | |
b32e07d7 TG |
1644 | err: |
1645 | free (native_relocs); | |
a68aa5d3 NC |
1646 | if (bfd_get_error () == bfd_error_no_error) |
1647 | bfd_set_error (bfd_error_invalid_operation); | |
b32e07d7 TG |
1648 | return -1; |
1649 | } | |
1650 | ||
1651 | long | |
1652 | bfd_mach_o_canonicalize_reloc (bfd *abfd, asection *asect, | |
07d6d2b8 | 1653 | arelent **rels, asymbol **syms) |
b32e07d7 TG |
1654 | { |
1655 | bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd); | |
1656 | unsigned long i; | |
1657 | arelent *res; | |
1658 | ||
1659 | if (asect->reloc_count == 0) | |
1660 | return 0; | |
1661 | ||
1662 | /* No need to go further if we don't know how to read relocs. */ | |
bcb51645 | 1663 | if (bed->_bfd_mach_o_canonicalize_one_reloc == NULL) |
b32e07d7 | 1664 | return 0; |
92bc0e80 | 1665 | |
dff55db0 | 1666 | if (asect->relocation == NULL) |
92bc0e80 | 1667 | { |
64d29018 NC |
1668 | if (asect->reloc_count * sizeof (arelent) < asect->reloc_count) |
1669 | return -1; | |
dff55db0 TG |
1670 | res = bfd_malloc (asect->reloc_count * sizeof (arelent)); |
1671 | if (res == NULL) | |
07d6d2b8 | 1672 | return -1; |
dff55db0 TG |
1673 | |
1674 | if (bfd_mach_o_canonicalize_relocs (abfd, asect->rel_filepos, | |
07d6d2b8 AM |
1675 | asect->reloc_count, res, syms) < 0) |
1676 | { | |
1677 | free (res); | |
1678 | return -1; | |
1679 | } | |
dff55db0 | 1680 | asect->relocation = res; |
92bc0e80 TG |
1681 | } |
1682 | ||
dff55db0 | 1683 | res = asect->relocation; |
92bc0e80 | 1684 | for (i = 0; i < asect->reloc_count; i++) |
b32e07d7 TG |
1685 | rels[i] = &res[i]; |
1686 | rels[i] = NULL; | |
92bc0e80 | 1687 | |
b32e07d7 TG |
1688 | return i; |
1689 | } | |
92bc0e80 | 1690 | |
b32e07d7 TG |
1691 | long |
1692 | bfd_mach_o_get_dynamic_reloc_upper_bound (bfd *abfd) | |
1693 | { | |
1694 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
92bc0e80 | 1695 | |
b32e07d7 TG |
1696 | if (mdata->dysymtab == NULL) |
1697 | return 1; | |
dff55db0 | 1698 | return (mdata->dysymtab->nextrel + mdata->dysymtab->nlocrel + 1) |
b32e07d7 TG |
1699 | * sizeof (arelent *); |
1700 | } | |
92bc0e80 | 1701 | |
b32e07d7 TG |
1702 | long |
1703 | bfd_mach_o_canonicalize_dynamic_reloc (bfd *abfd, arelent **rels, | |
07d6d2b8 | 1704 | struct bfd_symbol **syms) |
b32e07d7 TG |
1705 | { |
1706 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
1707 | bfd_mach_o_dysymtab_command *dysymtab = mdata->dysymtab; | |
1708 | bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd); | |
1709 | unsigned long i; | |
1710 | arelent *res; | |
1711 | ||
1712 | if (dysymtab == NULL) | |
1713 | return 0; | |
1714 | if (dysymtab->nextrel == 0 && dysymtab->nlocrel == 0) | |
1715 | return 0; | |
1716 | ||
1717 | /* No need to go further if we don't know how to read relocs. */ | |
bcb51645 | 1718 | if (bed->_bfd_mach_o_canonicalize_one_reloc == NULL) |
b32e07d7 TG |
1719 | return 0; |
1720 | ||
dff55db0 | 1721 | if (mdata->dyn_reloc_cache == NULL) |
b32e07d7 | 1722 | { |
64d29018 NC |
1723 | if ((dysymtab->nextrel + dysymtab->nlocrel) * sizeof (arelent) |
1724 | < (dysymtab->nextrel + dysymtab->nlocrel)) | |
1725 | return -1; | |
1726 | ||
dff55db0 | 1727 | res = bfd_malloc ((dysymtab->nextrel + dysymtab->nlocrel) |
07d6d2b8 | 1728 | * sizeof (arelent)); |
dff55db0 | 1729 | if (res == NULL) |
07d6d2b8 | 1730 | return -1; |
b32e07d7 | 1731 | |
dff55db0 | 1732 | if (bfd_mach_o_canonicalize_relocs (abfd, dysymtab->extreloff, |
07d6d2b8 AM |
1733 | dysymtab->nextrel, res, syms) < 0) |
1734 | { | |
1735 | free (res); | |
1736 | return -1; | |
1737 | } | |
dff55db0 TG |
1738 | |
1739 | if (bfd_mach_o_canonicalize_relocs (abfd, dysymtab->locreloff, | |
07d6d2b8 AM |
1740 | dysymtab->nlocrel, |
1741 | res + dysymtab->nextrel, syms) < 0) | |
1742 | { | |
1743 | free (res); | |
1744 | return -1; | |
1745 | } | |
dff55db0 TG |
1746 | |
1747 | mdata->dyn_reloc_cache = res; | |
b32e07d7 TG |
1748 | } |
1749 | ||
dff55db0 | 1750 | res = mdata->dyn_reloc_cache; |
b32e07d7 TG |
1751 | for (i = 0; i < dysymtab->nextrel + dysymtab->nlocrel; i++) |
1752 | rels[i] = &res[i]; | |
1753 | rels[i] = NULL; | |
92bc0e80 TG |
1754 | return i; |
1755 | } | |
1756 | ||
19765f52 IS |
1757 | /* In addition to the need to byte-swap the symbol number, the bit positions |
1758 | of the fields in the relocation information vary per target endian-ness. */ | |
1759 | ||
1760 | static void | |
1761 | bfd_mach_o_swap_out_non_scattered_reloc (bfd *abfd, unsigned char *fields, | |
c6643fcc | 1762 | bfd_mach_o_reloc_info *rel) |
19765f52 IS |
1763 | { |
1764 | unsigned char info = 0; | |
1765 | ||
1766 | BFD_ASSERT (rel->r_type <= 15); | |
1767 | BFD_ASSERT (rel->r_length <= 3); | |
1768 | ||
1769 | if (bfd_big_endian (abfd)) | |
1770 | { | |
1771 | fields[0] = (rel->r_value >> 16) & 0xff; | |
1772 | fields[1] = (rel->r_value >> 8) & 0xff; | |
1773 | fields[2] = rel->r_value & 0xff; | |
1774 | info |= rel->r_type << BFD_MACH_O_BE_TYPE_SHIFT; | |
1775 | info |= rel->r_pcrel ? BFD_MACH_O_BE_PCREL : 0; | |
1776 | info |= rel->r_length << BFD_MACH_O_BE_LENGTH_SHIFT; | |
1777 | info |= rel->r_extern ? BFD_MACH_O_BE_EXTERN : 0; | |
1778 | } | |
1779 | else | |
1780 | { | |
1781 | fields[2] = (rel->r_value >> 16) & 0xff; | |
1782 | fields[1] = (rel->r_value >> 8) & 0xff; | |
1783 | fields[0] = rel->r_value & 0xff; | |
1784 | info |= rel->r_type << BFD_MACH_O_LE_TYPE_SHIFT; | |
1785 | info |= rel->r_pcrel ? BFD_MACH_O_LE_PCREL : 0; | |
1786 | info |= rel->r_length << BFD_MACH_O_LE_LENGTH_SHIFT; | |
1787 | info |= rel->r_extern ? BFD_MACH_O_LE_EXTERN : 0; | |
1788 | } | |
1789 | fields[3] = info; | |
1790 | } | |
1791 | ||
92bc0e80 | 1792 | static bfd_boolean |
ab273af8 | 1793 | bfd_mach_o_write_relocs (bfd *abfd, bfd_mach_o_section *section) |
92bc0e80 | 1794 | { |
92bc0e80 TG |
1795 | unsigned int i; |
1796 | arelent **entries; | |
1797 | asection *sec; | |
1798 | bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd); | |
1799 | ||
1800 | sec = section->bfdsection; | |
1801 | if (sec->reloc_count == 0) | |
1802 | return TRUE; | |
1803 | ||
1804 | if (bed->_bfd_mach_o_swap_reloc_out == NULL) | |
1805 | return TRUE; | |
1806 | ||
92bc0e80 TG |
1807 | if (bfd_seek (abfd, section->reloff, SEEK_SET) != 0) |
1808 | return FALSE; | |
1809 | ||
1810 | /* Convert and write. */ | |
1811 | entries = section->bfdsection->orelocation; | |
1812 | for (i = 0; i < section->nreloc; i++) | |
1813 | { | |
1814 | arelent *rel = entries[i]; | |
46d1c23b | 1815 | struct mach_o_reloc_info_external raw; |
92bc0e80 TG |
1816 | bfd_mach_o_reloc_info info, *pinfo = &info; |
1817 | ||
1818 | /* Convert relocation to an intermediate representation. */ | |
1819 | if (!(*bed->_bfd_mach_o_swap_reloc_out) (rel, pinfo)) | |
07d6d2b8 | 1820 | return FALSE; |
92bc0e80 TG |
1821 | |
1822 | /* Lower the relocation info. */ | |
1823 | if (pinfo->r_scattered) | |
07d6d2b8 AM |
1824 | { |
1825 | unsigned long v; | |
1826 | ||
1827 | v = BFD_MACH_O_SR_SCATTERED | |
1828 | | (pinfo->r_pcrel ? BFD_MACH_O_SR_PCREL : 0) | |
1829 | | BFD_MACH_O_SET_SR_LENGTH (pinfo->r_length) | |
1830 | | BFD_MACH_O_SET_SR_TYPE (pinfo->r_type) | |
1831 | | BFD_MACH_O_SET_SR_ADDRESS (pinfo->r_address); | |
1832 | /* Note: scattered relocs have field in reverse order... */ | |
1833 | bfd_put_32 (abfd, v, raw.r_address); | |
1834 | bfd_put_32 (abfd, pinfo->r_value, raw.r_symbolnum); | |
1835 | } | |
92bc0e80 | 1836 | else |
07d6d2b8 AM |
1837 | { |
1838 | bfd_put_32 (abfd, pinfo->r_address, raw.r_address); | |
1839 | bfd_mach_o_swap_out_non_scattered_reloc (abfd, raw.r_symbolnum, | |
19765f52 | 1840 | pinfo); |
07d6d2b8 | 1841 | } |
92bc0e80 | 1842 | |
46d1c23b | 1843 | if (bfd_bwrite (&raw, BFD_MACH_O_RELENT_SIZE, abfd) |
07d6d2b8 AM |
1844 | != BFD_MACH_O_RELENT_SIZE) |
1845 | return FALSE; | |
92bc0e80 TG |
1846 | } |
1847 | return TRUE; | |
1848 | } | |
1849 | ||
452216ab | 1850 | static bfd_boolean |
ab273af8 | 1851 | bfd_mach_o_write_section_32 (bfd *abfd, bfd_mach_o_section *section) |
116c20d2 | 1852 | { |
46d1c23b TG |
1853 | struct mach_o_section_32_external raw; |
1854 | ||
1855 | memcpy (raw.sectname, section->sectname, 16); | |
72b5104c | 1856 | memcpy (raw.segname, section->segname, 16); |
46d1c23b TG |
1857 | bfd_h_put_32 (abfd, section->addr, raw.addr); |
1858 | bfd_h_put_32 (abfd, section->size, raw.size); | |
1859 | bfd_h_put_32 (abfd, section->offset, raw.offset); | |
1860 | bfd_h_put_32 (abfd, section->align, raw.align); | |
1861 | bfd_h_put_32 (abfd, section->reloff, raw.reloff); | |
1862 | bfd_h_put_32 (abfd, section->nreloc, raw.nreloc); | |
1863 | bfd_h_put_32 (abfd, section->flags, raw.flags); | |
1864 | bfd_h_put_32 (abfd, section->reserved1, raw.reserved1); | |
1865 | bfd_h_put_32 (abfd, section->reserved2, raw.reserved2); | |
1866 | ||
1867 | if (bfd_bwrite (&raw, BFD_MACH_O_SECTION_SIZE, abfd) | |
92bc0e80 | 1868 | != BFD_MACH_O_SECTION_SIZE) |
452216ab | 1869 | return FALSE; |
116c20d2 | 1870 | |
452216ab | 1871 | return TRUE; |
116c20d2 NC |
1872 | } |
1873 | ||
452216ab | 1874 | static bfd_boolean |
ab273af8 | 1875 | bfd_mach_o_write_section_64 (bfd *abfd, bfd_mach_o_section *section) |
116c20d2 | 1876 | { |
46d1c23b TG |
1877 | struct mach_o_section_64_external raw; |
1878 | ||
1879 | memcpy (raw.sectname, section->sectname, 16); | |
1880 | memcpy (raw.segname, section->segname, 16); | |
1881 | bfd_h_put_64 (abfd, section->addr, raw.addr); | |
1882 | bfd_h_put_64 (abfd, section->size, raw.size); | |
1883 | bfd_h_put_32 (abfd, section->offset, raw.offset); | |
1884 | bfd_h_put_32 (abfd, section->align, raw.align); | |
1885 | bfd_h_put_32 (abfd, section->reloff, raw.reloff); | |
1886 | bfd_h_put_32 (abfd, section->nreloc, raw.nreloc); | |
1887 | bfd_h_put_32 (abfd, section->flags, raw.flags); | |
1888 | bfd_h_put_32 (abfd, section->reserved1, raw.reserved1); | |
1889 | bfd_h_put_32 (abfd, section->reserved2, raw.reserved2); | |
1890 | bfd_h_put_32 (abfd, section->reserved3, raw.reserved3); | |
1891 | ||
1892 | if (bfd_bwrite (&raw, BFD_MACH_O_SECTION_64_SIZE, abfd) | |
92bc0e80 | 1893 | != BFD_MACH_O_SECTION_64_SIZE) |
452216ab | 1894 | return FALSE; |
116c20d2 | 1895 | |
452216ab | 1896 | return TRUE; |
1e8a024a TG |
1897 | } |
1898 | ||
452216ab | 1899 | static bfd_boolean |
ab273af8 | 1900 | bfd_mach_o_write_segment_32 (bfd *abfd, bfd_mach_o_load_command *command) |
1e8a024a | 1901 | { |
46d1c23b | 1902 | struct mach_o_segment_command_32_external raw; |
1e8a024a | 1903 | bfd_mach_o_segment_command *seg = &command->command.segment; |
f1bde64c | 1904 | bfd_mach_o_section *sec; |
1e8a024a | 1905 | |
c2f09c75 TG |
1906 | BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT); |
1907 | ||
f1bde64c TG |
1908 | for (sec = seg->sect_head; sec != NULL; sec = sec->next) |
1909 | if (!bfd_mach_o_write_relocs (abfd, sec)) | |
452216ab | 1910 | return FALSE; |
c2f09c75 | 1911 | |
46d1c23b TG |
1912 | memcpy (raw.segname, seg->segname, 16); |
1913 | bfd_h_put_32 (abfd, seg->vmaddr, raw.vmaddr); | |
1914 | bfd_h_put_32 (abfd, seg->vmsize, raw.vmsize); | |
1915 | bfd_h_put_32 (abfd, seg->fileoff, raw.fileoff); | |
1916 | bfd_h_put_32 (abfd, seg->filesize, raw.filesize); | |
1917 | bfd_h_put_32 (abfd, seg->maxprot, raw.maxprot); | |
1918 | bfd_h_put_32 (abfd, seg->initprot, raw.initprot); | |
1919 | bfd_h_put_32 (abfd, seg->nsects, raw.nsects); | |
1920 | bfd_h_put_32 (abfd, seg->flags, raw.flags); | |
68ffbac6 | 1921 | |
46d1c23b TG |
1922 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 |
1923 | || bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
452216ab | 1924 | return FALSE; |
1e8a024a | 1925 | |
f1bde64c | 1926 | for (sec = seg->sect_head; sec != NULL; sec = sec->next) |
452216ab TG |
1927 | if (!bfd_mach_o_write_section_32 (abfd, sec)) |
1928 | return FALSE; | |
1e8a024a | 1929 | |
452216ab | 1930 | return TRUE; |
116c20d2 NC |
1931 | } |
1932 | ||
452216ab | 1933 | static bfd_boolean |
ab273af8 | 1934 | bfd_mach_o_write_segment_64 (bfd *abfd, bfd_mach_o_load_command *command) |
1e8a024a | 1935 | { |
46d1c23b | 1936 | struct mach_o_segment_command_64_external raw; |
c2f09c75 | 1937 | bfd_mach_o_segment_command *seg = &command->command.segment; |
f1bde64c | 1938 | bfd_mach_o_section *sec; |
c2f09c75 TG |
1939 | |
1940 | BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT_64); | |
1941 | ||
f1bde64c TG |
1942 | for (sec = seg->sect_head; sec != NULL; sec = sec->next) |
1943 | if (!bfd_mach_o_write_relocs (abfd, sec)) | |
452216ab | 1944 | return FALSE; |
c2f09c75 | 1945 | |
46d1c23b TG |
1946 | memcpy (raw.segname, seg->segname, 16); |
1947 | bfd_h_put_64 (abfd, seg->vmaddr, raw.vmaddr); | |
1948 | bfd_h_put_64 (abfd, seg->vmsize, raw.vmsize); | |
1949 | bfd_h_put_64 (abfd, seg->fileoff, raw.fileoff); | |
1950 | bfd_h_put_64 (abfd, seg->filesize, raw.filesize); | |
1951 | bfd_h_put_32 (abfd, seg->maxprot, raw.maxprot); | |
1952 | bfd_h_put_32 (abfd, seg->initprot, raw.initprot); | |
1953 | bfd_h_put_32 (abfd, seg->nsects, raw.nsects); | |
1954 | bfd_h_put_32 (abfd, seg->flags, raw.flags); | |
1955 | ||
1956 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 | |
1957 | || bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
452216ab | 1958 | return FALSE; |
c2f09c75 | 1959 | |
f1bde64c | 1960 | for (sec = seg->sect_head; sec != NULL; sec = sec->next) |
452216ab TG |
1961 | if (!bfd_mach_o_write_section_64 (abfd, sec)) |
1962 | return FALSE; | |
c2f09c75 | 1963 | |
452216ab | 1964 | return TRUE; |
1e8a024a TG |
1965 | } |
1966 | ||
c2f09c75 | 1967 | static bfd_boolean |
c9ffd2ea | 1968 | bfd_mach_o_write_symtab_content (bfd *abfd, bfd_mach_o_symtab_command *sym) |
116c20d2 | 1969 | { |
046b007d | 1970 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
116c20d2 | 1971 | unsigned long i; |
c2f09c75 | 1972 | unsigned int wide = bfd_mach_o_wide_p (abfd); |
c2f09c75 TG |
1973 | struct bfd_strtab_hash *strtab; |
1974 | asymbol **symbols = bfd_get_outsymbols (abfd); | |
c9ffd2ea | 1975 | int padlen; |
c2f09c75 TG |
1976 | |
1977 | /* Write the symbols first. */ | |
1978 | if (bfd_seek (abfd, sym->symoff, SEEK_SET) != 0) | |
1979 | return FALSE; | |
1980 | ||
c2f09c75 TG |
1981 | strtab = _bfd_stringtab_init (); |
1982 | if (strtab == NULL) | |
1983 | return FALSE; | |
116c20d2 | 1984 | |
a4551119 TG |
1985 | if (sym->nsyms > 0) |
1986 | /* Although we don't strictly need to do this, for compatibility with | |
1987 | Darwin system tools, actually output an empty string for the index | |
1988 | 0 entry. */ | |
1989 | _bfd_stringtab_add (strtab, "", TRUE, FALSE); | |
1990 | ||
116c20d2 NC |
1991 | for (i = 0; i < sym->nsyms; i++) |
1992 | { | |
91d6fa6a | 1993 | bfd_size_type str_index; |
92bc0e80 | 1994 | bfd_mach_o_asymbol *s = (bfd_mach_o_asymbol *)symbols[i]; |
68ffbac6 | 1995 | |
92bc0e80 | 1996 | if (s->symbol.name == 0 || s->symbol.name[0] == '\0') |
7f307238 | 1997 | /* An index of 0 always means the empty string. */ |
07d6d2b8 | 1998 | str_index = 0; |
c2f09c75 | 1999 | else |
07d6d2b8 AM |
2000 | { |
2001 | str_index = _bfd_stringtab_add (strtab, s->symbol.name, TRUE, FALSE); | |
7f307238 | 2002 | |
07d6d2b8 AM |
2003 | if (str_index == (bfd_size_type) -1) |
2004 | goto err; | |
2005 | } | |
46d1c23b | 2006 | |
c2f09c75 | 2007 | if (wide) |
07d6d2b8 AM |
2008 | { |
2009 | struct mach_o_nlist_64_external raw; | |
2010 | ||
2011 | bfd_h_put_32 (abfd, str_index, raw.n_strx); | |
2012 | bfd_h_put_8 (abfd, s->n_type, raw.n_type); | |
2013 | bfd_h_put_8 (abfd, s->n_sect, raw.n_sect); | |
2014 | bfd_h_put_16 (abfd, s->n_desc, raw.n_desc); | |
2015 | bfd_h_put_64 (abfd, s->symbol.section->vma + s->symbol.value, | |
2016 | raw.n_value); | |
2017 | ||
2018 | if (bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
2019 | goto err; | |
2020 | } | |
c2f09c75 | 2021 | else |
07d6d2b8 AM |
2022 | { |
2023 | struct mach_o_nlist_external raw; | |
116c20d2 | 2024 | |
07d6d2b8 AM |
2025 | bfd_h_put_32 (abfd, str_index, raw.n_strx); |
2026 | bfd_h_put_8 (abfd, s->n_type, raw.n_type); | |
2027 | bfd_h_put_8 (abfd, s->n_sect, raw.n_sect); | |
2028 | bfd_h_put_16 (abfd, s->n_desc, raw.n_desc); | |
2029 | bfd_h_put_32 (abfd, s->symbol.section->vma + s->symbol.value, | |
2030 | raw.n_value); | |
46d1c23b | 2031 | |
07d6d2b8 AM |
2032 | if (bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw)) |
2033 | goto err; | |
2034 | } | |
116c20d2 | 2035 | } |
c2f09c75 | 2036 | sym->strsize = _bfd_stringtab_size (strtab); |
92bc0e80 TG |
2037 | sym->stroff = mdata->filelen; |
2038 | mdata->filelen += sym->strsize; | |
116c20d2 | 2039 | |
c9ffd2ea | 2040 | if (bfd_seek (abfd, sym->stroff, SEEK_SET) != 0) |
64d29018 | 2041 | goto err; |
c9ffd2ea | 2042 | |
535b785f | 2043 | if (!_bfd_stringtab_emit (abfd, strtab)) |
c2f09c75 | 2044 | goto err; |
116c20d2 | 2045 | |
c9ffd2ea TG |
2046 | /* Pad string table. */ |
2047 | padlen = bfd_mach_o_pad4 (abfd, sym->strsize); | |
2048 | if (padlen < 0) | |
2049 | return FALSE; | |
2050 | mdata->filelen += padlen; | |
2051 | sym->strsize += padlen; | |
116c20d2 | 2052 | |
c2f09c75 | 2053 | return TRUE; |
116c20d2 | 2054 | |
c2f09c75 TG |
2055 | err: |
2056 | _bfd_stringtab_free (strtab); | |
64d29018 | 2057 | sym->strsize = 0; |
c2f09c75 | 2058 | return FALSE; |
116c20d2 NC |
2059 | } |
2060 | ||
c9ffd2ea TG |
2061 | static bfd_boolean |
2062 | bfd_mach_o_write_symtab (bfd *abfd, bfd_mach_o_load_command *command) | |
2063 | { | |
2064 | bfd_mach_o_symtab_command *sym = &command->command.symtab; | |
2065 | struct mach_o_symtab_command_external raw; | |
2066 | ||
2067 | BFD_ASSERT (command->type == BFD_MACH_O_LC_SYMTAB); | |
2068 | ||
2069 | /* The command. */ | |
2070 | bfd_h_put_32 (abfd, sym->symoff, raw.symoff); | |
2071 | bfd_h_put_32 (abfd, sym->nsyms, raw.nsyms); | |
2072 | bfd_h_put_32 (abfd, sym->stroff, raw.stroff); | |
2073 | bfd_h_put_32 (abfd, sym->strsize, raw.strsize); | |
2074 | ||
2075 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0 | |
2076 | || bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
2077 | return FALSE; | |
2078 | ||
2079 | return TRUE; | |
2080 | } | |
2081 | ||
2082 | /* Count the number of indirect symbols in the image. | |
2083 | Requires that the sections are in their final order. */ | |
2084 | ||
2085 | static unsigned int | |
2086 | bfd_mach_o_count_indirect_symbols (bfd *abfd, bfd_mach_o_data_struct *mdata) | |
2087 | { | |
2088 | unsigned int i; | |
2089 | unsigned int nisyms = 0; | |
2090 | ||
2091 | for (i = 0; i < mdata->nsects; ++i) | |
2092 | { | |
2093 | bfd_mach_o_section *sec = mdata->sections[i]; | |
2094 | ||
2095 | switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK) | |
2096 | { | |
2097 | case BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS: | |
2098 | case BFD_MACH_O_S_LAZY_SYMBOL_POINTERS: | |
2099 | case BFD_MACH_O_S_SYMBOL_STUBS: | |
2100 | nisyms += bfd_mach_o_section_get_nbr_indirect (abfd, sec); | |
2101 | break; | |
2102 | default: | |
2103 | break; | |
2104 | } | |
2105 | } | |
2106 | return nisyms; | |
2107 | } | |
2108 | ||
2109 | /* Create the dysymtab. */ | |
2110 | ||
2111 | static bfd_boolean | |
2112 | bfd_mach_o_build_dysymtab (bfd *abfd, bfd_mach_o_dysymtab_command *cmd) | |
2113 | { | |
2114 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
2115 | ||
2116 | /* TODO: | |
2117 | We are not going to try and fill these in yet and, moreover, we are | |
2118 | going to bail if they are already set. */ | |
2119 | if (cmd->nmodtab != 0 | |
2120 | || cmd->ntoc != 0 | |
2121 | || cmd->nextrefsyms != 0) | |
2122 | { | |
4eca0228 AM |
2123 | _bfd_error_handler (_("sorry: modtab, toc and extrefsyms are not yet" |
2124 | " implemented for dysymtab commands.")); | |
c9ffd2ea TG |
2125 | return FALSE; |
2126 | } | |
2127 | ||
2128 | cmd->ilocalsym = 0; | |
2129 | ||
2130 | if (bfd_get_symcount (abfd) > 0) | |
2131 | { | |
2132 | asymbol **symbols = bfd_get_outsymbols (abfd); | |
2133 | unsigned long i; | |
2134 | ||
2135 | /* Count the number of each kind of symbol. */ | |
2136 | for (i = 0; i < bfd_get_symcount (abfd); ++i) | |
2137 | { | |
2138 | bfd_mach_o_asymbol *s = (bfd_mach_o_asymbol *)symbols[i]; | |
2139 | if (s->n_type & (BFD_MACH_O_N_EXT | BFD_MACH_O_N_PEXT)) | |
2140 | break; | |
2141 | } | |
2142 | cmd->nlocalsym = i; | |
2143 | cmd->iextdefsym = i; | |
2144 | for (; i < bfd_get_symcount (abfd); ++i) | |
2145 | { | |
2146 | bfd_mach_o_asymbol *s = (bfd_mach_o_asymbol *)symbols[i]; | |
2147 | if ((s->n_type & BFD_MACH_O_N_TYPE) == BFD_MACH_O_N_UNDF) | |
2148 | break; | |
2149 | } | |
2150 | cmd->nextdefsym = i - cmd->nlocalsym; | |
2151 | cmd->iundefsym = cmd->nextdefsym + cmd->iextdefsym; | |
2152 | cmd->nundefsym = bfd_get_symcount (abfd) | |
2153 | - cmd->nlocalsym | |
2154 | - cmd->nextdefsym; | |
2155 | } | |
2156 | else | |
2157 | { | |
2158 | cmd->nlocalsym = 0; | |
2159 | cmd->iextdefsym = 0; | |
2160 | cmd->nextdefsym = 0; | |
2161 | cmd->iundefsym = 0; | |
2162 | cmd->nundefsym = 0; | |
2163 | } | |
2164 | ||
2165 | cmd->nindirectsyms = bfd_mach_o_count_indirect_symbols (abfd, mdata); | |
2166 | if (cmd->nindirectsyms > 0) | |
2167 | { | |
2168 | unsigned i; | |
2169 | unsigned n; | |
2170 | ||
2171 | mdata->filelen = FILE_ALIGN (mdata->filelen, 2); | |
2172 | cmd->indirectsymoff = mdata->filelen; | |
2173 | mdata->filelen += cmd->nindirectsyms * 4; | |
2174 | ||
64d29018 NC |
2175 | if (cmd->nindirectsyms * 4 < cmd->nindirectsyms) |
2176 | return FALSE; | |
c9ffd2ea TG |
2177 | cmd->indirect_syms = bfd_zalloc (abfd, cmd->nindirectsyms * 4); |
2178 | if (cmd->indirect_syms == NULL) | |
07d6d2b8 | 2179 | return FALSE; |
c9ffd2ea TG |
2180 | |
2181 | n = 0; | |
2182 | for (i = 0; i < mdata->nsects; ++i) | |
2183 | { | |
2184 | bfd_mach_o_section *sec = mdata->sections[i]; | |
2185 | ||
2186 | switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK) | |
2187 | { | |
2188 | case BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS: | |
2189 | case BFD_MACH_O_S_LAZY_SYMBOL_POINTERS: | |
2190 | case BFD_MACH_O_S_SYMBOL_STUBS: | |
2191 | { | |
2192 | unsigned j, num; | |
2193 | bfd_mach_o_asymbol **isyms = sec->indirect_syms; | |
2194 | ||
2195 | num = bfd_mach_o_section_get_nbr_indirect (abfd, sec); | |
2196 | if (isyms == NULL || num == 0) | |
2197 | break; | |
2198 | /* Record the starting index in the reserved1 field. */ | |
2199 | sec->reserved1 = n; | |
2200 | for (j = 0; j < num; j++, n++) | |
2201 | { | |
2202 | if (isyms[j] == NULL) | |
07d6d2b8 | 2203 | cmd->indirect_syms[n] = BFD_MACH_O_INDIRECT_SYM_LOCAL; |
c9ffd2ea TG |
2204 | else if (isyms[j]->symbol.section == bfd_abs_section_ptr |
2205 | && ! (isyms[j]->n_type & BFD_MACH_O_N_EXT)) | |
07d6d2b8 | 2206 | cmd->indirect_syms[n] = BFD_MACH_O_INDIRECT_SYM_LOCAL |
c9ffd2ea TG |
2207 | | BFD_MACH_O_INDIRECT_SYM_ABS; |
2208 | else | |
07d6d2b8 | 2209 | cmd->indirect_syms[n] = isyms[j]->symbol.udata.i; |
c9ffd2ea TG |
2210 | } |
2211 | } | |
2212 | break; | |
2213 | default: | |
2214 | break; | |
2215 | } | |
2216 | } | |
2217 | } | |
2218 | ||
2219 | return TRUE; | |
2220 | } | |
2221 | ||
7f307238 IS |
2222 | /* Write a dysymtab command. |
2223 | TODO: Possibly coalesce writes of smaller objects. */ | |
2224 | ||
2225 | static bfd_boolean | |
2226 | bfd_mach_o_write_dysymtab (bfd *abfd, bfd_mach_o_load_command *command) | |
2227 | { | |
2228 | bfd_mach_o_dysymtab_command *cmd = &command->command.dysymtab; | |
2229 | ||
2230 | BFD_ASSERT (command->type == BFD_MACH_O_LC_DYSYMTAB); | |
2231 | ||
2232 | if (cmd->nmodtab != 0) | |
2233 | { | |
2234 | unsigned int i; | |
2235 | ||
2236 | if (bfd_seek (abfd, cmd->modtaboff, SEEK_SET) != 0) | |
2237 | return FALSE; | |
2238 | ||
2239 | for (i = 0; i < cmd->nmodtab; i++) | |
2240 | { | |
2241 | bfd_mach_o_dylib_module *module = &cmd->dylib_module[i]; | |
2242 | unsigned int iinit; | |
2243 | unsigned int ninit; | |
2244 | ||
2245 | iinit = module->iinit & 0xffff; | |
2246 | iinit |= ((module->iterm & 0xffff) << 16); | |
2247 | ||
2248 | ninit = module->ninit & 0xffff; | |
2249 | ninit |= ((module->nterm & 0xffff) << 16); | |
2250 | ||
2251 | if (bfd_mach_o_wide_p (abfd)) | |
2252 | { | |
2253 | struct mach_o_dylib_module_64_external w; | |
2254 | ||
2255 | bfd_h_put_32 (abfd, module->module_name_idx, &w.module_name); | |
2256 | bfd_h_put_32 (abfd, module->iextdefsym, &w.iextdefsym); | |
2257 | bfd_h_put_32 (abfd, module->nextdefsym, &w.nextdefsym); | |
2258 | bfd_h_put_32 (abfd, module->irefsym, &w.irefsym); | |
2259 | bfd_h_put_32 (abfd, module->nrefsym, &w.nrefsym); | |
2260 | bfd_h_put_32 (abfd, module->ilocalsym, &w.ilocalsym); | |
2261 | bfd_h_put_32 (abfd, module->nlocalsym, &w.nlocalsym); | |
2262 | bfd_h_put_32 (abfd, module->iextrel, &w.iextrel); | |
2263 | bfd_h_put_32 (abfd, module->nextrel, &w.nextrel); | |
2264 | bfd_h_put_32 (abfd, iinit, &w.iinit_iterm); | |
2265 | bfd_h_put_32 (abfd, ninit, &w.ninit_nterm); | |
2266 | bfd_h_put_64 (abfd, module->objc_module_info_addr, | |
2267 | &w.objc_module_info_addr); | |
2268 | bfd_h_put_32 (abfd, module->objc_module_info_size, | |
2269 | &w.objc_module_info_size); | |
2270 | ||
2271 | if (bfd_bwrite ((void *) &w, sizeof (w), abfd) != sizeof (w)) | |
2272 | return FALSE; | |
2273 | } | |
2274 | else | |
2275 | { | |
2276 | struct mach_o_dylib_module_external n; | |
2277 | ||
2278 | bfd_h_put_32 (abfd, module->module_name_idx, &n.module_name); | |
2279 | bfd_h_put_32 (abfd, module->iextdefsym, &n.iextdefsym); | |
2280 | bfd_h_put_32 (abfd, module->nextdefsym, &n.nextdefsym); | |
2281 | bfd_h_put_32 (abfd, module->irefsym, &n.irefsym); | |
2282 | bfd_h_put_32 (abfd, module->nrefsym, &n.nrefsym); | |
2283 | bfd_h_put_32 (abfd, module->ilocalsym, &n.ilocalsym); | |
2284 | bfd_h_put_32 (abfd, module->nlocalsym, &n.nlocalsym); | |
2285 | bfd_h_put_32 (abfd, module->iextrel, &n.iextrel); | |
2286 | bfd_h_put_32 (abfd, module->nextrel, &n.nextrel); | |
2287 | bfd_h_put_32 (abfd, iinit, &n.iinit_iterm); | |
2288 | bfd_h_put_32 (abfd, ninit, &n.ninit_nterm); | |
2289 | bfd_h_put_32 (abfd, module->objc_module_info_addr, | |
2290 | &n.objc_module_info_addr); | |
2291 | bfd_h_put_32 (abfd, module->objc_module_info_size, | |
2292 | &n.objc_module_info_size); | |
2293 | ||
2294 | if (bfd_bwrite ((void *) &n, sizeof (n), abfd) != sizeof (n)) | |
2295 | return FALSE; | |
2296 | } | |
2297 | } | |
2298 | } | |
2299 | ||
2300 | if (cmd->ntoc != 0) | |
2301 | { | |
2302 | unsigned int i; | |
2303 | ||
2304 | if (bfd_seek (abfd, cmd->tocoff, SEEK_SET) != 0) | |
2305 | return FALSE; | |
2306 | ||
2307 | for (i = 0; i < cmd->ntoc; i++) | |
2308 | { | |
2309 | struct mach_o_dylib_table_of_contents_external raw; | |
2310 | bfd_mach_o_dylib_table_of_content *toc = &cmd->dylib_toc[i]; | |
2311 | ||
2312 | bfd_h_put_32 (abfd, toc->symbol_index, &raw.symbol_index); | |
2313 | bfd_h_put_32 (abfd, toc->module_index, &raw.module_index); | |
2314 | ||
2315 | if (bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
2316 | return FALSE; | |
2317 | } | |
2318 | } | |
68ffbac6 | 2319 | |
7f307238 IS |
2320 | if (cmd->nindirectsyms > 0) |
2321 | { | |
2322 | unsigned int i; | |
2323 | ||
2324 | if (bfd_seek (abfd, cmd->indirectsymoff, SEEK_SET) != 0) | |
2325 | return FALSE; | |
2326 | ||
2327 | for (i = 0; i < cmd->nindirectsyms; ++i) | |
2328 | { | |
2329 | unsigned char raw[4]; | |
2330 | ||
2331 | bfd_h_put_32 (abfd, cmd->indirect_syms[i], &raw); | |
2332 | if (bfd_bwrite (raw, sizeof (raw), abfd) != sizeof (raw)) | |
2333 | return FALSE; | |
68ffbac6 | 2334 | } |
7f307238 IS |
2335 | } |
2336 | ||
2337 | if (cmd->nextrefsyms != 0) | |
2338 | { | |
2339 | unsigned int i; | |
2340 | ||
2341 | if (bfd_seek (abfd, cmd->extrefsymoff, SEEK_SET) != 0) | |
2342 | return FALSE; | |
2343 | ||
2344 | for (i = 0; i < cmd->nextrefsyms; i++) | |
2345 | { | |
2346 | unsigned long v; | |
2347 | unsigned char raw[4]; | |
2348 | bfd_mach_o_dylib_reference *ref = &cmd->ext_refs[i]; | |
2349 | ||
2350 | /* Fields isym and flags are written as bit-fields, thus we need | |
2351 | a specific processing for endianness. */ | |
2352 | ||
2353 | if (bfd_big_endian (abfd)) | |
2354 | { | |
2355 | v = ((ref->isym & 0xffffff) << 8); | |
2356 | v |= ref->flags & 0xff; | |
2357 | } | |
2358 | else | |
2359 | { | |
2360 | v = ref->isym & 0xffffff; | |
2361 | v |= ((ref->flags & 0xff) << 24); | |
2362 | } | |
2363 | ||
2364 | bfd_h_put_32 (abfd, v, raw); | |
2365 | if (bfd_bwrite (raw, sizeof (raw), abfd) != sizeof (raw)) | |
2366 | return FALSE; | |
2367 | } | |
2368 | } | |
2369 | ||
2370 | /* The command. */ | |
2371 | if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0) | |
2372 | return FALSE; | |
2373 | else | |
2374 | { | |
2375 | struct mach_o_dysymtab_command_external raw; | |
2376 | ||
2377 | bfd_h_put_32 (abfd, cmd->ilocalsym, &raw.ilocalsym); | |
2378 | bfd_h_put_32 (abfd, cmd->nlocalsym, &raw.nlocalsym); | |
2379 | bfd_h_put_32 (abfd, cmd->iextdefsym, &raw.iextdefsym); | |
2380 | bfd_h_put_32 (abfd, cmd->nextdefsym, &raw.nextdefsym); | |
2381 | bfd_h_put_32 (abfd, cmd->iundefsym, &raw.iundefsym); | |
2382 | bfd_h_put_32 (abfd, cmd->nundefsym, &raw.nundefsym); | |
2383 | bfd_h_put_32 (abfd, cmd->tocoff, &raw.tocoff); | |
2384 | bfd_h_put_32 (abfd, cmd->ntoc, &raw.ntoc); | |
2385 | bfd_h_put_32 (abfd, cmd->modtaboff, &raw.modtaboff); | |
2386 | bfd_h_put_32 (abfd, cmd->nmodtab, &raw.nmodtab); | |
2387 | bfd_h_put_32 (abfd, cmd->extrefsymoff, &raw.extrefsymoff); | |
2388 | bfd_h_put_32 (abfd, cmd->nextrefsyms, &raw.nextrefsyms); | |
2389 | bfd_h_put_32 (abfd, cmd->indirectsymoff, &raw.indirectsymoff); | |
2390 | bfd_h_put_32 (abfd, cmd->nindirectsyms, &raw.nindirectsyms); | |
2391 | bfd_h_put_32 (abfd, cmd->extreloff, &raw.extreloff); | |
2392 | bfd_h_put_32 (abfd, cmd->nextrel, &raw.nextrel); | |
2393 | bfd_h_put_32 (abfd, cmd->locreloff, &raw.locreloff); | |
2394 | bfd_h_put_32 (abfd, cmd->nlocrel, &raw.nlocrel); | |
2395 | ||
2396 | if (bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw)) | |
2397 | return FALSE; | |
2398 | } | |
2399 | ||
2400 | return TRUE; | |
2401 | } | |
2402 | ||
2403 | static unsigned | |
b22161d6 | 2404 | bfd_mach_o_primary_symbol_sort_key (bfd_mach_o_asymbol *s) |
7f307238 | 2405 | { |
b22161d6 | 2406 | unsigned mtyp = s->n_type & BFD_MACH_O_N_TYPE; |
68588f95 IS |
2407 | |
2408 | /* Just leave debug symbols where they are (pretend they are local, and | |
2409 | then they will just be sorted on position). */ | |
b22161d6 | 2410 | if (s->n_type & BFD_MACH_O_N_STAB) |
68588f95 IS |
2411 | return 0; |
2412 | ||
7f307238 | 2413 | /* Local (we should never see an undefined local AFAICT). */ |
b22161d6 | 2414 | if (! (s->n_type & (BFD_MACH_O_N_EXT | BFD_MACH_O_N_PEXT))) |
7f307238 IS |
2415 | return 0; |
2416 | ||
2417 | /* Common symbols look like undefined externs. */ | |
68588f95 | 2418 | if (mtyp == BFD_MACH_O_N_UNDF) |
7f307238 IS |
2419 | return 2; |
2420 | ||
b22161d6 | 2421 | /* A defined non-local, non-debug symbol. */ |
7f307238 IS |
2422 | return 1; |
2423 | } | |
2424 | ||
2425 | static int | |
2426 | bfd_mach_o_cf_symbols (const void *a, const void *b) | |
2427 | { | |
2428 | bfd_mach_o_asymbol *sa = *(bfd_mach_o_asymbol **) a; | |
2429 | bfd_mach_o_asymbol *sb = *(bfd_mach_o_asymbol **) b; | |
2430 | unsigned int soa, sob; | |
2431 | ||
b22161d6 IS |
2432 | soa = bfd_mach_o_primary_symbol_sort_key (sa); |
2433 | sob = bfd_mach_o_primary_symbol_sort_key (sb); | |
7f307238 IS |
2434 | if (soa < sob) |
2435 | return -1; | |
2436 | ||
2437 | if (soa > sob) | |
2438 | return 1; | |
2439 | ||
68588f95 | 2440 | /* If it's local or stab, just preserve the input order. */ |
7f307238 IS |
2441 | if (soa == 0) |
2442 | { | |
2443 | if (sa->symbol.udata.i < sb->symbol.udata.i) | |
07d6d2b8 | 2444 | return -1; |
7f307238 | 2445 | if (sa->symbol.udata.i > sb->symbol.udata.i) |
07d6d2b8 | 2446 | return 1; |
b22161d6 IS |
2447 | |
2448 | /* This is probably an error. */ | |
7f307238 IS |
2449 | return 0; |
2450 | } | |
2451 | ||
b22161d6 IS |
2452 | /* The second sort key is name. */ |
2453 | return strcmp (sa->symbol.name, sb->symbol.name); | |
7f307238 IS |
2454 | } |
2455 | ||
2456 | /* Process the symbols. | |
2457 | ||
2458 | This should be OK for single-module files - but it is not likely to work | |
2459 | for multi-module shared libraries. | |
2460 | ||
2461 | (a) If the application has not filled in the relevant mach-o fields, make | |
2462 | an estimate. | |
2463 | ||
2464 | (b) Order them, like this: | |
2465 | ( i) local. | |
2466 | (unsorted) | |
2467 | ( ii) external defined | |
2468 | (by name) | |
b22161d6 | 2469 | (iii) external undefined/common |
7f307238 IS |
2470 | (by name) |
2471 | ( iv) common | |
2472 | (by name) | |
b22161d6 | 2473 | */ |
92bc0e80 TG |
2474 | |
2475 | static bfd_boolean | |
b22161d6 | 2476 | bfd_mach_o_mangle_symbols (bfd *abfd) |
92bc0e80 TG |
2477 | { |
2478 | unsigned long i; | |
2479 | asymbol **symbols = bfd_get_outsymbols (abfd); | |
2480 | ||
7f307238 IS |
2481 | if (symbols == NULL || bfd_get_symcount (abfd) == 0) |
2482 | return TRUE; | |
2483 | ||
92bc0e80 TG |
2484 | for (i = 0; i < bfd_get_symcount (abfd); i++) |
2485 | { | |
2486 | bfd_mach_o_asymbol *s = (bfd_mach_o_asymbol *)symbols[i]; | |
2487 | ||
b22161d6 IS |
2488 | /* We use this value, which is out-of-range as a symbol index, to signal |
2489 | that the mach-o-specific data are not filled in and need to be created | |
2490 | from the bfd values. It is much preferable for the application to do | |
2491 | this, since more meaningful diagnostics can be made that way. */ | |
2492 | ||
2493 | if (s->symbol.udata.i == SYM_MACHO_FIELDS_UNSET) | |
07d6d2b8 AM |
2494 | { |
2495 | /* No symbol information has been set - therefore determine | |
2496 | it from the bfd symbol flags/info. */ | |
2497 | if (s->symbol.section == bfd_abs_section_ptr) | |
2498 | s->n_type = BFD_MACH_O_N_ABS; | |
2499 | else if (s->symbol.section == bfd_und_section_ptr) | |
2500 | { | |
2501 | s->n_type = BFD_MACH_O_N_UNDF; | |
2502 | if (s->symbol.flags & BSF_WEAK) | |
2503 | s->n_desc |= BFD_MACH_O_N_WEAK_REF; | |
2504 | /* mach-o automatically makes undefined symbols extern. */ | |
7f307238 | 2505 | s->n_type |= BFD_MACH_O_N_EXT; |
b22161d6 | 2506 | s->symbol.flags |= BSF_GLOBAL; |
07d6d2b8 AM |
2507 | } |
2508 | else if (s->symbol.section == bfd_com_section_ptr) | |
b22161d6 | 2509 | { |
07d6d2b8 AM |
2510 | s->n_type = BFD_MACH_O_N_UNDF | BFD_MACH_O_N_EXT; |
2511 | s->symbol.flags |= BSF_GLOBAL; | |
2512 | } | |
2513 | else | |
2514 | s->n_type = BFD_MACH_O_N_SECT; | |
07d6d2b8 | 2515 | } |
92bc0e80 | 2516 | |
ae19acf3 | 2517 | /* Update external symbol bit in case objcopy changed it. */ |
2518 | if (s->symbol.flags & BSF_GLOBAL) | |
2519 | s->n_type |= BFD_MACH_O_N_EXT; | |
2520 | else | |
2521 | s->n_type &= ~BFD_MACH_O_N_EXT; | |
2522 | ||
7f307238 | 2523 | /* Put the section index in, where required. */ |
68588f95 | 2524 | if ((s->symbol.section != bfd_abs_section_ptr |
07d6d2b8 AM |
2525 | && s->symbol.section != bfd_und_section_ptr |
2526 | && s->symbol.section != bfd_com_section_ptr) | |
2527 | || ((s->n_type & BFD_MACH_O_N_STAB) != 0 | |
2528 | && s->symbol.name == NULL)) | |
707e555b | 2529 | s->n_sect = s->symbol.section->output_section->target_index; |
92bc0e80 | 2530 | |
b22161d6 IS |
2531 | /* Number to preserve order for local and debug syms. */ |
2532 | s->symbol.udata.i = i; | |
7f307238 IS |
2533 | } |
2534 | ||
b22161d6 IS |
2535 | /* Sort the symbols. */ |
2536 | qsort ((void *) symbols, (size_t) bfd_get_symcount (abfd), | |
2537 | sizeof (asymbol *), bfd_mach_o_cf_symbols); | |
7f307238 | 2538 | |
b22161d6 IS |
2539 | for (i = 0; i < bfd_get_symcount (abfd); ++i) |
2540 | { | |
2541 | bfd_mach_o_asymbol *s = (bfd_mach_o_asymbol *)symbols[i]; | |
2542 | s->symbol.udata.i = i; /* renumber. */ | |
7f307238 IS |
2543 | } |
2544 | ||
2545 | return TRUE; | |
2546 | } | |
2547 | ||
2548 | /* We build a flat table of sections, which can be re-ordered if necessary. | |
2549 | Fill in the section number and other mach-o-specific data. */ | |
2550 | ||
2551 | static bfd_boolean | |
2552 | bfd_mach_o_mangle_sections (bfd *abfd, bfd_mach_o_data_struct *mdata) | |
2553 | { | |
2554 | asection *sec; | |
2555 | unsigned target_index; | |
2556 | unsigned nsect; | |
1f4361a7 | 2557 | size_t amt; |
7f307238 IS |
2558 | |
2559 | nsect = bfd_count_sections (abfd); | |
68ffbac6 | 2560 | |
7f307238 IS |
2561 | /* Don't do it if it's already set - assume the application knows what it's |
2562 | doing. */ | |
2563 | if (mdata->nsects == nsect | |
2564 | && (mdata->nsects == 0 || mdata->sections != NULL)) | |
2565 | return TRUE; | |
2566 | ||
a1165289 NC |
2567 | /* We need to check that this can be done... */ |
2568 | if (nsect > 255) | |
2569 | { | |
4eca0228 AM |
2570 | _bfd_error_handler (_("mach-o: there are too many sections (%u)" |
2571 | " maximum is 255,\n"), nsect); | |
a1165289 NC |
2572 | return FALSE; |
2573 | } | |
2574 | ||
7f307238 | 2575 | mdata->nsects = nsect; |
1f4361a7 AM |
2576 | if (_bfd_mul_overflow (mdata->nsects, sizeof (bfd_mach_o_section *), &amt)) |
2577 | { | |
2578 | bfd_set_error (bfd_error_no_memory); | |
2579 | return FALSE; | |
2580 | } | |
2581 | mdata->sections = bfd_alloc (abfd, amt); | |
7f307238 IS |
2582 | if (mdata->sections == NULL) |
2583 | return FALSE; | |
2584 | ||
7f307238 | 2585 | /* Create Mach-O sections. |
68ffbac6 | 2586 | Section type, attribute and align should have been set when the |
7f307238 IS |
2587 | section was created - either read in or specified. */ |
2588 | target_index = 0; | |
2589 | for (sec = abfd->sections; sec; sec = sec->next) | |
2590 | { | |
fd361982 | 2591 | unsigned bfd_align = bfd_section_alignment (sec); |
7f307238 IS |
2592 | bfd_mach_o_section *msect = bfd_mach_o_get_mach_o_section (sec); |
2593 | ||
2594 | mdata->sections[target_index] = msect; | |
2595 | ||
fd361982 AM |
2596 | msect->addr = bfd_section_vma (sec); |
2597 | msect->size = bfd_section_size (sec); | |
7f307238 | 2598 | |
68ffbac6 | 2599 | /* Use the largest alignment set, in case it was bumped after the |
7f307238 IS |
2600 | section was created. */ |
2601 | msect->align = msect->align > bfd_align ? msect->align : bfd_align; | |
2602 | ||
2603 | msect->offset = 0; | |
2604 | sec->target_index = ++target_index; | |
92bc0e80 | 2605 | } |
7f307238 | 2606 | |
92bc0e80 TG |
2607 | return TRUE; |
2608 | } | |
2609 | ||
154a1ee5 | 2610 | bfd_boolean |
116c20d2 | 2611 | bfd_mach_o_write_contents (bfd *abfd) |
3af9a47b | 2612 | { |
046b007d | 2613 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
c9ffd2ea TG |
2614 | bfd_mach_o_load_command *cmd; |
2615 | bfd_mach_o_symtab_command *symtab = NULL; | |
2616 | bfd_mach_o_dysymtab_command *dysymtab = NULL; | |
2617 | bfd_mach_o_segment_command *linkedit = NULL; | |
3af9a47b | 2618 | |
7f307238 | 2619 | /* Make the commands, if not already present. */ |
c9ffd2ea TG |
2620 | if (!abfd->output_has_begun && !bfd_mach_o_build_commands (abfd)) |
2621 | return FALSE; | |
2622 | abfd->output_has_begun = TRUE; | |
92bc0e80 | 2623 | |
c9ffd2ea | 2624 | /* Write the header. */ |
154a1ee5 | 2625 | if (!bfd_mach_o_write_header (abfd, &mdata->header)) |
b34976b6 | 2626 | return FALSE; |
3af9a47b | 2627 | |
c9ffd2ea TG |
2628 | /* First pass: allocate the linkedit segment. */ |
2629 | for (cmd = mdata->first_command; cmd != NULL; cmd = cmd->next) | |
2630 | switch (cmd->type) | |
2631 | { | |
2632 | case BFD_MACH_O_LC_SEGMENT_64: | |
2633 | case BFD_MACH_O_LC_SEGMENT: | |
2634 | if (strcmp (cmd->command.segment.segname, "__LINKEDIT") == 0) | |
2635 | linkedit = &cmd->command.segment; | |
2636 | break; | |
2637 | case BFD_MACH_O_LC_SYMTAB: | |
2638 | symtab = &cmd->command.symtab; | |
2639 | break; | |
2640 | case BFD_MACH_O_LC_DYSYMTAB: | |
2641 | dysymtab = &cmd->command.dysymtab; | |
2642 | break; | |
2643 | case BFD_MACH_O_LC_DYLD_INFO: | |
2644 | { | |
2645 | bfd_mach_o_dyld_info_command *di = &cmd->command.dyld_info; | |
2646 | ||
2647 | if (di->rebase_size != 0) | |
2648 | { | |
2649 | di->rebase_off = mdata->filelen; | |
2650 | mdata->filelen += di->rebase_size; | |
2651 | } | |
2652 | if (di->bind_size != 0) | |
2653 | { | |
2654 | di->bind_off = mdata->filelen; | |
2655 | mdata->filelen += di->bind_size; | |
2656 | } | |
2657 | if (di->weak_bind_size != 0) | |
2658 | { | |
2659 | di->weak_bind_off = mdata->filelen; | |
2660 | mdata->filelen += di->weak_bind_size; | |
2661 | } | |
2662 | if (di->lazy_bind_size != 0) | |
2663 | { | |
2664 | di->lazy_bind_off = mdata->filelen; | |
2665 | mdata->filelen += di->lazy_bind_size; | |
2666 | } | |
2667 | if (di->export_size != 0) | |
2668 | { | |
2669 | di->export_off = mdata->filelen; | |
2670 | mdata->filelen += di->export_size; | |
2671 | } | |
2672 | } | |
2673 | break; | |
2674 | case BFD_MACH_O_LC_LOAD_DYLIB: | |
2675 | case BFD_MACH_O_LC_LOAD_DYLINKER: | |
2676 | case BFD_MACH_O_LC_MAIN: | |
2677 | /* Nothing to do. */ | |
2678 | break; | |
2679 | default: | |
4eca0228 | 2680 | _bfd_error_handler |
d42c267e AM |
2681 | (_("unable to allocate data for load command %#x"), |
2682 | cmd->type); | |
c9ffd2ea TG |
2683 | break; |
2684 | } | |
2685 | ||
2686 | /* Specially handle symtab and dysymtab. */ | |
2687 | ||
2688 | /* Pre-allocate the symbol table (but not the string table). The reason | |
2689 | is that the dysymtab is after the symbol table but before the string | |
2690 | table (required by the native strip tool). */ | |
2691 | if (symtab != NULL) | |
2692 | { | |
2693 | unsigned int symlen; | |
2694 | unsigned int wide = bfd_mach_o_wide_p (abfd); | |
2695 | ||
2696 | symlen = wide ? BFD_MACH_O_NLIST_64_SIZE : BFD_MACH_O_NLIST_SIZE; | |
2697 | ||
2698 | /* Align for symbols. */ | |
2699 | mdata->filelen = FILE_ALIGN (mdata->filelen, wide ? 3 : 2); | |
2700 | symtab->symoff = mdata->filelen; | |
2701 | ||
2702 | symtab->nsyms = bfd_get_symcount (abfd); | |
2703 | mdata->filelen += symtab->nsyms * symlen; | |
2704 | } | |
2705 | ||
2706 | /* Build the dysymtab. */ | |
2707 | if (dysymtab != NULL) | |
2708 | if (!bfd_mach_o_build_dysymtab (abfd, dysymtab)) | |
2709 | return FALSE; | |
2710 | ||
2711 | /* Write symtab and strtab. */ | |
2712 | if (symtab != NULL) | |
2713 | if (!bfd_mach_o_write_symtab_content (abfd, symtab)) | |
2714 | return FALSE; | |
2715 | ||
2716 | /* Adjust linkedit size. */ | |
2717 | if (linkedit != NULL) | |
2718 | { | |
2719 | /* bfd_vma pagemask = bfd_mach_o_get_backend_data (abfd)->page_size - 1; */ | |
2720 | ||
2721 | linkedit->vmsize = mdata->filelen - linkedit->fileoff; | |
2722 | /* linkedit->vmsize = (linkedit->vmsize + pagemask) & ~pagemask; */ | |
2723 | linkedit->filesize = mdata->filelen - linkedit->fileoff; | |
2724 | ||
2725 | linkedit->initprot = BFD_MACH_O_PROT_READ; | |
2726 | linkedit->maxprot = BFD_MACH_O_PROT_READ | BFD_MACH_O_PROT_WRITE | |
2727 | | BFD_MACH_O_PROT_EXECUTE; | |
2728 | } | |
2729 | ||
2730 | /* Second pass: write commands. */ | |
2731 | for (cmd = mdata->first_command; cmd != NULL; cmd = cmd->next) | |
3af9a47b | 2732 | { |
46d1c23b | 2733 | struct mach_o_load_command_external raw; |
3af9a47b NC |
2734 | unsigned long typeflag; |
2735 | ||
c9ffd2ea | 2736 | typeflag = cmd->type | (cmd->type_required ? BFD_MACH_O_LC_REQ_DYLD : 0); |
3af9a47b | 2737 | |
46d1c23b | 2738 | bfd_h_put_32 (abfd, typeflag, raw.cmd); |
c9ffd2ea | 2739 | bfd_h_put_32 (abfd, cmd->len, raw.cmdsize); |
3af9a47b | 2740 | |
c9ffd2ea | 2741 | if (bfd_seek (abfd, cmd->offset, SEEK_SET) != 0 |
07d6d2b8 | 2742 | || bfd_bwrite (&raw, BFD_MACH_O_LC_SIZE, abfd) != 8) |
b34976b6 | 2743 | return FALSE; |
3af9a47b | 2744 | |
c9ffd2ea | 2745 | switch (cmd->type) |
3af9a47b NC |
2746 | { |
2747 | case BFD_MACH_O_LC_SEGMENT: | |
c9ffd2ea | 2748 | if (!bfd_mach_o_write_segment_32 (abfd, cmd)) |
1e8a024a TG |
2749 | return FALSE; |
2750 | break; | |
2751 | case BFD_MACH_O_LC_SEGMENT_64: | |
c9ffd2ea | 2752 | if (!bfd_mach_o_write_segment_64 (abfd, cmd)) |
b34976b6 | 2753 | return FALSE; |
3af9a47b NC |
2754 | break; |
2755 | case BFD_MACH_O_LC_SYMTAB: | |
c9ffd2ea | 2756 | if (!bfd_mach_o_write_symtab (abfd, cmd)) |
b34976b6 | 2757 | return FALSE; |
3af9a47b | 2758 | break; |
7f307238 | 2759 | case BFD_MACH_O_LC_DYSYMTAB: |
c9ffd2ea | 2760 | if (!bfd_mach_o_write_dysymtab (abfd, cmd)) |
7f307238 IS |
2761 | return FALSE; |
2762 | break; | |
3af9a47b NC |
2763 | case BFD_MACH_O_LC_THREAD: |
2764 | case BFD_MACH_O_LC_UNIXTHREAD: | |
c9ffd2ea | 2765 | if (!bfd_mach_o_write_thread (abfd, cmd)) |
b34976b6 | 2766 | return FALSE; |
3af9a47b | 2767 | break; |
3af9a47b | 2768 | case BFD_MACH_O_LC_LOAD_DYLIB: |
c9ffd2ea TG |
2769 | if (!bfd_mach_o_write_dylib (abfd, cmd)) |
2770 | return FALSE; | |
2771 | break; | |
3af9a47b | 2772 | case BFD_MACH_O_LC_LOAD_DYLINKER: |
c9ffd2ea TG |
2773 | if (!bfd_mach_o_write_dylinker (abfd, cmd)) |
2774 | return FALSE; | |
2775 | break; | |
2776 | case BFD_MACH_O_LC_MAIN: | |
2777 | if (!bfd_mach_o_write_main (abfd, cmd)) | |
2778 | return FALSE; | |
2779 | break; | |
2780 | case BFD_MACH_O_LC_DYLD_INFO: | |
2781 | if (!bfd_mach_o_write_dyld_info (abfd, cmd)) | |
2782 | return FALSE; | |
3af9a47b NC |
2783 | break; |
2784 | default: | |
4eca0228 | 2785 | _bfd_error_handler |
d42c267e AM |
2786 | (_("unable to write unknown load command %#x"), |
2787 | cmd->type); | |
b34976b6 | 2788 | return FALSE; |
3af9a47b NC |
2789 | } |
2790 | } | |
2791 | ||
b34976b6 | 2792 | return TRUE; |
3af9a47b NC |
2793 | } |
2794 | ||
f1bde64c TG |
2795 | static void |
2796 | bfd_mach_o_append_section_to_segment (bfd_mach_o_segment_command *seg, | |
07d6d2b8 | 2797 | bfd_mach_o_section *s) |
f1bde64c | 2798 | { |
f1bde64c TG |
2799 | if (seg->sect_head == NULL) |
2800 | seg->sect_head = s; | |
2801 | else | |
2802 | seg->sect_tail->next = s; | |
2803 | seg->sect_tail = s; | |
2804 | } | |
2805 | ||
2806 | /* Create section Mach-O flags from BFD flags. */ | |
2807 | ||
2808 | static void | |
3cc27770 TG |
2809 | bfd_mach_o_set_section_flags_from_bfd (bfd *abfd ATTRIBUTE_UNUSED, |
2810 | asection *sec) | |
f1bde64c TG |
2811 | { |
2812 | flagword bfd_flags; | |
2813 | bfd_mach_o_section *s = bfd_mach_o_get_mach_o_section (sec); | |
2814 | ||
2815 | /* Create default flags. */ | |
fd361982 | 2816 | bfd_flags = bfd_section_flags (sec); |
f1bde64c TG |
2817 | if ((bfd_flags & SEC_CODE) == SEC_CODE) |
2818 | s->flags = BFD_MACH_O_S_ATTR_PURE_INSTRUCTIONS | |
2819 | | BFD_MACH_O_S_ATTR_SOME_INSTRUCTIONS | |
2820 | | BFD_MACH_O_S_REGULAR; | |
2821 | else if ((bfd_flags & (SEC_ALLOC | SEC_LOAD)) == SEC_ALLOC) | |
2822 | s->flags = BFD_MACH_O_S_ZEROFILL; | |
2823 | else if (bfd_flags & SEC_DEBUGGING) | |
2824 | s->flags = BFD_MACH_O_S_REGULAR | BFD_MACH_O_S_ATTR_DEBUG; | |
2825 | else | |
2826 | s->flags = BFD_MACH_O_S_REGULAR; | |
2827 | } | |
2828 | ||
7f307238 | 2829 | static bfd_boolean |
c9ffd2ea | 2830 | bfd_mach_o_build_obj_seg_command (bfd *abfd, bfd_mach_o_segment_command *seg) |
7f307238 | 2831 | { |
c9ffd2ea TG |
2832 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
2833 | unsigned int i, j; | |
7f307238 | 2834 | |
7f307238 | 2835 | seg->vmaddr = 0; |
7f307238 | 2836 | seg->fileoff = mdata->filelen; |
c9ffd2ea TG |
2837 | seg->initprot = BFD_MACH_O_PROT_READ | BFD_MACH_O_PROT_WRITE |
2838 | | BFD_MACH_O_PROT_EXECUTE; | |
2839 | seg->maxprot = seg->initprot; | |
7f307238 | 2840 | |
68ffbac6 | 2841 | /* Append sections to the segment. |
09903f4b IS |
2842 | |
2843 | This is a little tedious, we have to honor the need to account zerofill | |
2844 | sections after all the rest. This forces us to do the calculation of | |
68ffbac6 | 2845 | total vmsize in three passes so that any alignment increments are |
09903f4b | 2846 | properly accounted. */ |
7f307238 IS |
2847 | for (i = 0; i < mdata->nsects; ++i) |
2848 | { | |
2849 | bfd_mach_o_section *s = mdata->sections[i]; | |
2850 | asection *sec = s->bfdsection; | |
2851 | ||
09903f4b IS |
2852 | /* Although we account for zerofill section sizes in vm order, they are |
2853 | placed in the file in source sequence. */ | |
c9ffd2ea | 2854 | bfd_mach_o_append_section_to_segment (seg, s); |
e5081f2f | 2855 | s->offset = 0; |
68ffbac6 | 2856 | |
c9ffd2ea TG |
2857 | /* Zerofill sections have zero file size & offset, the only content |
2858 | written to the file is the symbols. */ | |
e5081f2f | 2859 | if ((s->flags & BFD_MACH_O_SECTION_TYPE_MASK) == BFD_MACH_O_S_ZEROFILL |
07d6d2b8 | 2860 | || ((s->flags & BFD_MACH_O_SECTION_TYPE_MASK) |
c9ffd2ea | 2861 | == BFD_MACH_O_S_GB_ZEROFILL)) |
07d6d2b8 | 2862 | continue; |
e5081f2f | 2863 | |
c9ffd2ea TG |
2864 | /* The Darwin system tools (in MH_OBJECT files, at least) always account |
2865 | sections, even those with zero size. */ | |
e5081f2f | 2866 | if (s->size > 0) |
c9ffd2ea | 2867 | { |
09903f4b IS |
2868 | seg->vmsize = FILE_ALIGN (seg->vmsize, s->align); |
2869 | seg->vmsize += s->size; | |
2870 | ||
c9ffd2ea TG |
2871 | /* MH_OBJECT files have unaligned content. */ |
2872 | if (1) | |
2873 | { | |
2874 | seg->filesize = FILE_ALIGN (seg->filesize, s->align); | |
07d6d2b8 AM |
2875 | mdata->filelen = FILE_ALIGN (mdata->filelen, s->align); |
2876 | } | |
09903f4b IS |
2877 | seg->filesize += s->size; |
2878 | ||
c9ffd2ea TG |
2879 | /* The system tools write even zero-sized sections with an offset |
2880 | field set to the current file position. */ | |
07d6d2b8 | 2881 | s->offset = mdata->filelen; |
c9ffd2ea | 2882 | } |
7f307238 IS |
2883 | |
2884 | sec->filepos = s->offset; | |
7f307238 IS |
2885 | mdata->filelen += s->size; |
2886 | } | |
2887 | ||
3cc27770 | 2888 | /* Now pass through again, for zerofill, only now we just update the |
c9ffd2ea TG |
2889 | vmsize, and then for zerofill_GB. */ |
2890 | for (j = 0; j < 2; j++) | |
09903f4b | 2891 | { |
c9ffd2ea | 2892 | unsigned int stype; |
68ffbac6 | 2893 | |
c9ffd2ea TG |
2894 | if (j == 0) |
2895 | stype = BFD_MACH_O_S_ZEROFILL; | |
2896 | else | |
2897 | stype = BFD_MACH_O_S_GB_ZEROFILL; | |
09903f4b | 2898 | |
c9ffd2ea TG |
2899 | for (i = 0; i < mdata->nsects; ++i) |
2900 | { | |
2901 | bfd_mach_o_section *s = mdata->sections[i]; | |
2902 | ||
2903 | if ((s->flags & BFD_MACH_O_SECTION_TYPE_MASK) != stype) | |
2904 | continue; | |
2905 | ||
2906 | if (s->size > 0) | |
2907 | { | |
2908 | seg->vmsize = FILE_ALIGN (seg->vmsize, s->align); | |
2909 | seg->vmsize += s->size; | |
2910 | } | |
09903f4b IS |
2911 | } |
2912 | } | |
bb76d940 | 2913 | |
09903f4b | 2914 | /* Allocate space for the relocations. */ |
707e555b | 2915 | mdata->filelen = FILE_ALIGN (mdata->filelen, 2); |
bb76d940 IS |
2916 | |
2917 | for (i = 0; i < mdata->nsects; ++i) | |
2918 | { | |
2919 | bfd_mach_o_section *ms = mdata->sections[i]; | |
2920 | asection *sec = ms->bfdsection; | |
68ffbac6 | 2921 | |
c9ffd2ea TG |
2922 | ms->nreloc = sec->reloc_count; |
2923 | if (ms->nreloc == 0) | |
07d6d2b8 | 2924 | { |
c9ffd2ea | 2925 | /* Clear nreloc and reloff if there is no relocs. */ |
bb76d940 IS |
2926 | ms->reloff = 0; |
2927 | continue; | |
07d6d2b8 | 2928 | } |
bb76d940 IS |
2929 | sec->rel_filepos = mdata->filelen; |
2930 | ms->reloff = sec->rel_filepos; | |
2931 | mdata->filelen += sec->reloc_count * BFD_MACH_O_RELENT_SIZE; | |
2932 | } | |
7f307238 IS |
2933 | |
2934 | return TRUE; | |
2935 | } | |
2936 | ||
c9ffd2ea TG |
2937 | static bfd_boolean |
2938 | bfd_mach_o_build_exec_seg_command (bfd *abfd, bfd_mach_o_segment_command *seg) | |
50d10658 | 2939 | { |
c9ffd2ea | 2940 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
50d10658 | 2941 | unsigned int i; |
c9ffd2ea TG |
2942 | bfd_vma pagemask = bfd_mach_o_get_backend_data (abfd)->page_size - 1; |
2943 | bfd_vma vma; | |
2944 | bfd_mach_o_section *s; | |
2945 | ||
2946 | seg->vmsize = 0; | |
50d10658 | 2947 | |
c9ffd2ea TG |
2948 | seg->fileoff = mdata->filelen; |
2949 | seg->maxprot = 0; | |
2950 | seg->initprot = 0; | |
2951 | seg->flags = 0; | |
2952 | ||
2953 | /* Append sections to the segment. We assume they are properly ordered | |
2954 | by vma (but we check that). */ | |
2955 | vma = 0; | |
50d10658 IS |
2956 | for (i = 0; i < mdata->nsects; ++i) |
2957 | { | |
c9ffd2ea | 2958 | s = mdata->sections[i]; |
50d10658 | 2959 | |
c9ffd2ea TG |
2960 | /* Consider only sections for this segment. */ |
2961 | if (strcmp (seg->segname, s->segname) != 0) | |
2962 | continue; | |
50d10658 | 2963 | |
c9ffd2ea | 2964 | bfd_mach_o_append_section_to_segment (seg, s); |
7f307238 | 2965 | |
86eafac0 NC |
2966 | if (s->addr < vma) |
2967 | { | |
4eca0228 | 2968 | _bfd_error_handler |
695344c0 | 2969 | /* xgettext:c-format */ |
2dcf00ce AM |
2970 | (_("section address (%#" PRIx64 ") " |
2971 | "below start of segment (%#" PRIx64 ")"), | |
2972 | (uint64_t) s->addr, (uint64_t) vma); | |
86eafac0 NC |
2973 | return FALSE; |
2974 | } | |
2975 | ||
c9ffd2ea | 2976 | vma = s->addr + s->size; |
7f307238 IS |
2977 | } |
2978 | ||
c9ffd2ea TG |
2979 | /* Set segment file offset: make it page aligned. */ |
2980 | vma = seg->sect_head->addr; | |
2981 | seg->vmaddr = vma & ~pagemask; | |
2982 | if ((mdata->filelen & pagemask) > (vma & pagemask)) | |
2983 | mdata->filelen += pagemask + 1; | |
2984 | seg->fileoff = mdata->filelen & ~pagemask; | |
2985 | mdata->filelen = seg->fileoff + (vma & pagemask); | |
7f307238 | 2986 | |
c9ffd2ea TG |
2987 | /* Set section file offset. */ |
2988 | for (s = seg->sect_head; s != NULL; s = s->next) | |
7f307238 | 2989 | { |
c9ffd2ea | 2990 | asection *sec = s->bfdsection; |
fd361982 | 2991 | flagword flags = bfd_section_flags (sec); |
b22161d6 | 2992 | |
c9ffd2ea TG |
2993 | /* Adjust segment size. */ |
2994 | seg->vmsize = FILE_ALIGN (seg->vmsize, s->align); | |
2995 | seg->vmsize += s->size; | |
2996 | ||
2997 | /* File offset and length. */ | |
2998 | seg->filesize = FILE_ALIGN (seg->filesize, s->align); | |
2999 | ||
3000 | if ((s->flags & BFD_MACH_O_SECTION_TYPE_MASK) != BFD_MACH_O_S_ZEROFILL | |
07d6d2b8 | 3001 | && ((s->flags & BFD_MACH_O_SECTION_TYPE_MASK) |
c9ffd2ea | 3002 | != BFD_MACH_O_S_GB_ZEROFILL)) |
b22161d6 | 3003 | { |
c9ffd2ea TG |
3004 | mdata->filelen = FILE_ALIGN (mdata->filelen, s->align); |
3005 | ||
3006 | s->offset = mdata->filelen; | |
3007 | s->bfdsection->filepos = s->offset; | |
3008 | ||
3009 | seg->filesize += s->size; | |
3010 | mdata->filelen += s->size; | |
b22161d6 | 3011 | } |
c9ffd2ea | 3012 | else |
b22161d6 | 3013 | { |
c9ffd2ea TG |
3014 | s->offset = 0; |
3015 | s->bfdsection->filepos = 0; | |
3016 | } | |
3017 | ||
3018 | /* Set protection. */ | |
3019 | if (flags & SEC_LOAD) | |
3020 | { | |
3021 | if (flags & SEC_CODE) | |
3022 | seg->initprot |= BFD_MACH_O_PROT_READ | BFD_MACH_O_PROT_EXECUTE; | |
3023 | if ((flags & (SEC_DATA | SEC_READONLY)) == SEC_DATA) | |
3024 | seg->initprot |= BFD_MACH_O_PROT_WRITE | BFD_MACH_O_PROT_READ; | |
b22161d6 | 3025 | } |
c9ffd2ea TG |
3026 | |
3027 | /* Relocs shouldn't appear in non-object files. */ | |
3028 | if (s->bfdsection->reloc_count != 0) | |
3029 | return FALSE; | |
b22161d6 | 3030 | } |
c9ffd2ea TG |
3031 | |
3032 | /* Set maxprot. */ | |
3033 | if (seg->initprot != 0) | |
3034 | seg->maxprot = BFD_MACH_O_PROT_READ | BFD_MACH_O_PROT_WRITE | |
3035 | | BFD_MACH_O_PROT_EXECUTE; | |
b22161d6 | 3036 | else |
c9ffd2ea | 3037 | seg->maxprot = 0; |
b22161d6 | 3038 | |
c9ffd2ea TG |
3039 | /* Round segment size (and file size). */ |
3040 | seg->vmsize = (seg->vmsize + pagemask) & ~pagemask; | |
3041 | seg->filesize = (seg->filesize + pagemask) & ~pagemask; | |
3042 | mdata->filelen = (mdata->filelen + pagemask) & ~pagemask; | |
7f307238 | 3043 | |
c9ffd2ea TG |
3044 | return TRUE; |
3045 | } | |
68ffbac6 | 3046 | |
c9ffd2ea TG |
3047 | /* Layout the commands: set commands size and offset, set ncmds and sizeofcmds |
3048 | fields in header. */ | |
68ffbac6 | 3049 | |
86eafac0 | 3050 | static bfd_boolean |
c9ffd2ea TG |
3051 | bfd_mach_o_layout_commands (bfd_mach_o_data_struct *mdata) |
3052 | { | |
3053 | unsigned wide = mach_o_wide_p (&mdata->header); | |
3054 | unsigned int hdrlen; | |
3055 | ufile_ptr offset; | |
3056 | bfd_mach_o_load_command *cmd; | |
3057 | unsigned int align; | |
86eafac0 | 3058 | bfd_boolean ret = TRUE; |
c9ffd2ea TG |
3059 | |
3060 | hdrlen = wide ? BFD_MACH_O_HEADER_64_SIZE : BFD_MACH_O_HEADER_SIZE; | |
3061 | align = wide ? 8 - 1 : 4 - 1; | |
3062 | offset = hdrlen; | |
3063 | mdata->header.ncmds = 0; | |
50d10658 | 3064 | |
c9ffd2ea TG |
3065 | for (cmd = mdata->first_command; cmd; cmd = cmd->next) |
3066 | { | |
3067 | mdata->header.ncmds++; | |
3068 | cmd->offset = offset; | |
68ffbac6 | 3069 | |
c9ffd2ea TG |
3070 | switch (cmd->type) |
3071 | { | |
3072 | case BFD_MACH_O_LC_SEGMENT_64: | |
3073 | cmd->len = BFD_MACH_O_LC_SEGMENT_64_SIZE | |
3074 | + BFD_MACH_O_SECTION_64_SIZE * cmd->command.segment.nsects; | |
3075 | break; | |
3076 | case BFD_MACH_O_LC_SEGMENT: | |
3077 | cmd->len = BFD_MACH_O_LC_SEGMENT_SIZE | |
3078 | + BFD_MACH_O_SECTION_SIZE * cmd->command.segment.nsects; | |
3079 | break; | |
3080 | case BFD_MACH_O_LC_SYMTAB: | |
3081 | cmd->len = sizeof (struct mach_o_symtab_command_external) | |
3082 | + BFD_MACH_O_LC_SIZE; | |
3083 | break; | |
3084 | case BFD_MACH_O_LC_DYSYMTAB: | |
3085 | cmd->len = sizeof (struct mach_o_dysymtab_command_external) | |
3086 | + BFD_MACH_O_LC_SIZE; | |
3087 | break; | |
3088 | case BFD_MACH_O_LC_LOAD_DYLIB: | |
3089 | cmd->len = sizeof (struct mach_o_dylib_command_external) | |
3090 | + BFD_MACH_O_LC_SIZE; | |
3091 | cmd->command.dylib.name_offset = cmd->len; | |
3092 | cmd->len += strlen (cmd->command.dylib.name_str); | |
3093 | cmd->len = (cmd->len + align) & ~align; | |
3094 | break; | |
3095 | case BFD_MACH_O_LC_LOAD_DYLINKER: | |
3096 | cmd->len = sizeof (struct mach_o_str_command_external) | |
3097 | + BFD_MACH_O_LC_SIZE; | |
3098 | cmd->command.dylinker.name_offset = cmd->len; | |
3099 | cmd->len += strlen (cmd->command.dylinker.name_str); | |
3100 | cmd->len = (cmd->len + align) & ~align; | |
3101 | break; | |
3102 | case BFD_MACH_O_LC_MAIN: | |
3103 | cmd->len = sizeof (struct mach_o_entry_point_command_external) | |
3104 | + BFD_MACH_O_LC_SIZE; | |
3105 | break; | |
3106 | case BFD_MACH_O_LC_DYLD_INFO: | |
3107 | cmd->len = sizeof (struct mach_o_dyld_info_command_external) | |
3108 | + BFD_MACH_O_LC_SIZE; | |
3109 | break; | |
3110 | default: | |
4eca0228 | 3111 | _bfd_error_handler |
d42c267e AM |
3112 | (_("unable to layout unknown load command %#x"), |
3113 | cmd->type); | |
86eafac0 | 3114 | ret = FALSE; |
c9ffd2ea | 3115 | break; |
7f307238 | 3116 | } |
c9ffd2ea TG |
3117 | |
3118 | BFD_ASSERT (cmd->len % (align + 1) == 0); | |
3119 | offset += cmd->len; | |
7f307238 | 3120 | } |
c9ffd2ea TG |
3121 | mdata->header.sizeofcmds = offset - hdrlen; |
3122 | mdata->filelen = offset; | |
86eafac0 NC |
3123 | |
3124 | return ret; | |
c9ffd2ea | 3125 | } |
7f307238 | 3126 | |
c9ffd2ea TG |
3127 | /* Subroutine of bfd_mach_o_build_commands: set type, name and nsects of a |
3128 | segment. */ | |
3129 | ||
3130 | static void | |
3131 | bfd_mach_o_init_segment (bfd_mach_o_data_struct *mdata, | |
3132 | bfd_mach_o_load_command *cmd, | |
3133 | const char *segname, unsigned int nbr_sect) | |
3134 | { | |
3135 | bfd_mach_o_segment_command *seg = &cmd->command.segment; | |
3136 | unsigned wide = mach_o_wide_p (&mdata->header); | |
3137 | ||
3138 | /* Init segment command. */ | |
3139 | cmd->type = wide ? BFD_MACH_O_LC_SEGMENT_64 : BFD_MACH_O_LC_SEGMENT; | |
3140 | cmd->type_required = FALSE; | |
3141 | ||
3142 | strcpy (seg->segname, segname); | |
3143 | seg->nsects = nbr_sect; | |
3144 | ||
3145 | seg->vmaddr = 0; | |
3146 | seg->vmsize = 0; | |
3147 | ||
3148 | seg->fileoff = 0; | |
3149 | seg->filesize = 0; | |
3150 | seg->maxprot = 0; | |
3151 | seg->initprot = 0; | |
3152 | seg->flags = 0; | |
3153 | seg->sect_head = NULL; | |
3154 | seg->sect_tail = NULL; | |
7f307238 IS |
3155 | } |
3156 | ||
3157 | /* Build Mach-O load commands (currently assuming an MH_OBJECT file). | |
3158 | TODO: Other file formats, rebuilding symtab/dysymtab commands for strip | |
3159 | and copy functionality. */ | |
154a1ee5 TG |
3160 | |
3161 | bfd_boolean | |
3162 | bfd_mach_o_build_commands (bfd *abfd) | |
3163 | { | |
046b007d | 3164 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
bbd56171 | 3165 | unsigned wide = mach_o_wide_p (&mdata->header); |
c9ffd2ea TG |
3166 | unsigned int nbr_segcmd = 0; |
3167 | bfd_mach_o_load_command *commands; | |
3168 | unsigned int nbr_commands; | |
bbd56171 IS |
3169 | int symtab_idx = -1; |
3170 | int dysymtab_idx = -1; | |
c9ffd2ea TG |
3171 | int main_idx = -1; |
3172 | unsigned int i; | |
154a1ee5 | 3173 | |
c9ffd2ea TG |
3174 | /* Return now if already built. */ |
3175 | if (mdata->header.ncmds != 0) | |
3176 | return TRUE; | |
154a1ee5 | 3177 | |
7f307238 | 3178 | /* Fill in the file type, if not already set. */ |
7f307238 | 3179 | if (mdata->header.filetype == 0) |
154a1ee5 | 3180 | { |
7f307238 | 3181 | if (abfd->flags & EXEC_P) |
07d6d2b8 | 3182 | mdata->header.filetype = BFD_MACH_O_MH_EXECUTE; |
7f307238 | 3183 | else if (abfd->flags & DYNAMIC) |
07d6d2b8 | 3184 | mdata->header.filetype = BFD_MACH_O_MH_DYLIB; |
7f307238 | 3185 | else |
07d6d2b8 | 3186 | mdata->header.filetype = BFD_MACH_O_MH_OBJECT; |
154a1ee5 | 3187 | } |
7f307238 IS |
3188 | |
3189 | /* If hasn't already been done, flatten sections list, and sort | |
3190 | if/when required. Must be done before the symbol table is adjusted, | |
3191 | since that depends on properly numbered sections. */ | |
3192 | if (mdata->nsects == 0 || mdata->sections == NULL) | |
3193 | if (! bfd_mach_o_mangle_sections (abfd, mdata)) | |
3194 | return FALSE; | |
3195 | ||
3196 | /* Order the symbol table, fill-in/check mach-o specific fields and | |
3197 | partition out any indirect symbols. */ | |
b22161d6 | 3198 | if (!bfd_mach_o_mangle_symbols (abfd)) |
7f307238 IS |
3199 | return FALSE; |
3200 | ||
c9ffd2ea TG |
3201 | /* Segment commands. */ |
3202 | if (mdata->header.filetype == BFD_MACH_O_MH_OBJECT) | |
3203 | { | |
3204 | /* Only one segment for all the sections. But the segment is | |
3205 | optional if there is no sections. */ | |
3206 | nbr_segcmd = (mdata->nsects > 0) ? 1 : 0; | |
3207 | } | |
3208 | else | |
3209 | { | |
3210 | bfd_mach_o_section *prev_sect = NULL; | |
bbd56171 | 3211 | |
c9ffd2ea TG |
3212 | /* One pagezero segment and one linkedit segment. */ |
3213 | nbr_segcmd = 2; | |
bbd56171 | 3214 | |
c9ffd2ea TG |
3215 | /* Create one segment for associated segment name in sections. |
3216 | Assume that sections with the same segment name are consecutive. */ | |
3217 | for (i = 0; i < mdata->nsects; i++) | |
3218 | { | |
3219 | bfd_mach_o_section *this_sect = mdata->sections[i]; | |
bbd56171 | 3220 | |
c9ffd2ea TG |
3221 | if (prev_sect == NULL |
3222 | || strcmp (prev_sect->segname, this_sect->segname) != 0) | |
3223 | { | |
3224 | nbr_segcmd++; | |
3225 | prev_sect = this_sect; | |
3226 | } | |
3227 | } | |
154a1ee5 | 3228 | } |
154a1ee5 | 3229 | |
c9ffd2ea TG |
3230 | nbr_commands = nbr_segcmd; |
3231 | ||
3232 | /* One command for the symbol table (only if there are symbols. */ | |
7f307238 | 3233 | if (bfd_get_symcount (abfd) > 0) |
c9ffd2ea | 3234 | symtab_idx = nbr_commands++; |
c2f09c75 | 3235 | |
bbd56171 IS |
3236 | /* FIXME: |
3237 | This is a rather crude test for whether we should build a dysymtab. */ | |
3238 | if (bfd_mach_o_should_emit_dysymtab () | |
3239 | && bfd_get_symcount (abfd)) | |
3240 | { | |
bbd56171 IS |
3241 | /* If there should be a case where a dysymtab could be emitted without |
3242 | a symtab (seems improbable), this would need amending. */ | |
c9ffd2ea | 3243 | dysymtab_idx = nbr_commands++; |
bbd56171 | 3244 | } |
154a1ee5 | 3245 | |
c9ffd2ea TG |
3246 | /* Add an entry point command. */ |
3247 | if (mdata->header.filetype == BFD_MACH_O_MH_EXECUTE | |
3248 | && bfd_get_start_address (abfd) != 0) | |
3249 | main_idx = nbr_commands++; | |
c2f09c75 | 3250 | |
bbd56171 | 3251 | /* Well, we must have a header, at least. */ |
c9ffd2ea | 3252 | mdata->filelen = wide ? BFD_MACH_O_HEADER_64_SIZE : BFD_MACH_O_HEADER_SIZE; |
f1bde64c | 3253 | |
bbd56171 | 3254 | /* A bit unusual, but no content is valid; |
7f307238 | 3255 | as -n empty.s -o empty.o */ |
c9ffd2ea TG |
3256 | if (nbr_commands == 0) |
3257 | { | |
3258 | /* Layout commands (well none...) and set headers command fields. */ | |
86eafac0 | 3259 | return bfd_mach_o_layout_commands (mdata); |
c9ffd2ea | 3260 | } |
f1bde64c | 3261 | |
c9ffd2ea TG |
3262 | /* Create commands for segments (and symtabs), prepend them. */ |
3263 | commands = bfd_zalloc (abfd, nbr_commands * sizeof (bfd_mach_o_load_command)); | |
3264 | if (commands == NULL) | |
7f307238 | 3265 | return FALSE; |
c9ffd2ea TG |
3266 | for (i = 0; i < nbr_commands - 1; i++) |
3267 | commands[i].next = &commands[i + 1]; | |
3268 | commands[nbr_commands - 1].next = mdata->first_command; | |
3269 | if (mdata->first_command == NULL) | |
3270 | mdata->last_command = &commands[nbr_commands - 1]; | |
3271 | mdata->first_command = &commands[0]; | |
3272 | ||
3273 | if (mdata->header.filetype == BFD_MACH_O_MH_OBJECT && nbr_segcmd != 0) | |
3274 | { | |
3275 | /* For object file, there is only one segment. */ | |
3276 | bfd_mach_o_init_segment (mdata, &commands[0], "", mdata->nsects); | |
3277 | } | |
3278 | else if (nbr_segcmd != 0) | |
68ffbac6 | 3279 | { |
c9ffd2ea | 3280 | bfd_mach_o_load_command *cmd; |
7f307238 | 3281 | |
c9ffd2ea | 3282 | BFD_ASSERT (nbr_segcmd >= 2); |
7f307238 | 3283 | |
c9ffd2ea TG |
3284 | /* The pagezero. */ |
3285 | cmd = &commands[0]; | |
3286 | bfd_mach_o_init_segment (mdata, cmd, "__PAGEZERO", 0); | |
3287 | ||
3288 | /* Segments from sections. */ | |
3289 | cmd++; | |
3290 | for (i = 0; i < mdata->nsects;) | |
7f307238 | 3291 | { |
c9ffd2ea TG |
3292 | const char *segname = mdata->sections[i]->segname; |
3293 | unsigned int nbr_sect = 1; | |
3294 | ||
3295 | /* Count number of sections for this segment. */ | |
3296 | for (i++; i < mdata->nsects; i++) | |
3297 | if (strcmp (mdata->sections[i]->segname, segname) == 0) | |
3298 | nbr_sect++; | |
3299 | else | |
3300 | break; | |
3301 | ||
3302 | bfd_mach_o_init_segment (mdata, cmd, segname, nbr_sect); | |
3303 | cmd++; | |
7f307238 | 3304 | } |
bbd56171 | 3305 | |
c9ffd2ea TG |
3306 | /* The linkedit. */ |
3307 | bfd_mach_o_init_segment (mdata, cmd, "__LINKEDIT", 0); | |
7f307238 | 3308 | } |
f1bde64c | 3309 | |
bbd56171 | 3310 | if (symtab_idx >= 0) |
7f307238 IS |
3311 | { |
3312 | /* Init symtab command. */ | |
c9ffd2ea | 3313 | bfd_mach_o_load_command *cmd = &commands[symtab_idx]; |
68ffbac6 | 3314 | |
bbd56171 | 3315 | cmd->type = BFD_MACH_O_LC_SYMTAB; |
bbd56171 | 3316 | cmd->type_required = FALSE; |
7f307238 | 3317 | } |
154a1ee5 | 3318 | |
bbd56171 IS |
3319 | /* If required, setup symtab command, see comment above about the quality |
3320 | of this test. */ | |
3321 | if (dysymtab_idx >= 0) | |
7f307238 | 3322 | { |
c9ffd2ea | 3323 | bfd_mach_o_load_command *cmd = &commands[dysymtab_idx]; |
bbd56171 | 3324 | |
7f307238 | 3325 | cmd->type = BFD_MACH_O_LC_DYSYMTAB; |
7f307238 | 3326 | cmd->type_required = FALSE; |
c9ffd2ea TG |
3327 | } |
3328 | ||
3329 | /* Create the main command. */ | |
3330 | if (main_idx >= 0) | |
3331 | { | |
3332 | bfd_mach_o_load_command *cmd = &commands[main_idx]; | |
7f307238 | 3333 | |
c9ffd2ea TG |
3334 | cmd->type = BFD_MACH_O_LC_MAIN; |
3335 | cmd->type_required = TRUE; | |
3336 | ||
3337 | cmd->command.main.entryoff = 0; | |
3338 | cmd->command.main.stacksize = 0; | |
154a1ee5 | 3339 | } |
154a1ee5 | 3340 | |
c9ffd2ea | 3341 | /* Layout commands. */ |
86eafac0 NC |
3342 | if (! bfd_mach_o_layout_commands (mdata)) |
3343 | return FALSE; | |
c9ffd2ea | 3344 | |
7f307238 IS |
3345 | /* So, now we have sized the commands and the filelen set to that. |
3346 | Now we can build the segment command and set the section file offsets. */ | |
c9ffd2ea TG |
3347 | if (mdata->header.filetype == BFD_MACH_O_MH_OBJECT) |
3348 | { | |
3349 | for (i = 0; i < nbr_segcmd; i++) | |
3350 | if (!bfd_mach_o_build_obj_seg_command | |
3351 | (abfd, &commands[i].command.segment)) | |
3352 | return FALSE; | |
3353 | } | |
3354 | else | |
3355 | { | |
3356 | bfd_vma maxvma = 0; | |
7f307238 | 3357 | |
c9ffd2ea TG |
3358 | /* Skip pagezero and linkedit segments. */ |
3359 | for (i = 1; i < nbr_segcmd - 1; i++) | |
3360 | { | |
3361 | bfd_mach_o_segment_command *seg = &commands[i].command.segment; | |
3362 | ||
3363 | if (!bfd_mach_o_build_exec_seg_command (abfd, seg)) | |
3364 | return FALSE; | |
3365 | ||
3366 | if (seg->vmaddr + seg->vmsize > maxvma) | |
3367 | maxvma = seg->vmaddr + seg->vmsize; | |
3368 | } | |
3369 | ||
3370 | /* Set the size of __PAGEZERO. */ | |
3371 | commands[0].command.segment.vmsize = | |
3372 | commands[1].command.segment.vmaddr; | |
3373 | ||
3374 | /* Set the vma and fileoff of __LINKEDIT. */ | |
3375 | commands[nbr_segcmd - 1].command.segment.vmaddr = maxvma; | |
3376 | commands[nbr_segcmd - 1].command.segment.fileoff = mdata->filelen; | |
3377 | ||
3378 | /* Set entry point (once segments have been laid out). */ | |
3379 | if (main_idx >= 0) | |
3380 | commands[main_idx].command.main.entryoff = | |
3381 | bfd_get_start_address (abfd) - commands[1].command.segment.vmaddr; | |
3382 | } | |
7f307238 | 3383 | |
154a1ee5 TG |
3384 | return TRUE; |
3385 | } | |
3386 | ||
3387 | /* Set the contents of a section. */ | |
3388 | ||
3389 | bfd_boolean | |
3390 | bfd_mach_o_set_section_contents (bfd *abfd, | |
3391 | asection *section, | |
3392 | const void * location, | |
3393 | file_ptr offset, | |
3394 | bfd_size_type count) | |
3395 | { | |
3396 | file_ptr pos; | |
3397 | ||
7f307238 IS |
3398 | /* Trying to write the first section contents will trigger the creation of |
3399 | the load commands if they are not already present. */ | |
c9ffd2ea | 3400 | if (!abfd->output_has_begun && !bfd_mach_o_build_commands (abfd)) |
154a1ee5 TG |
3401 | return FALSE; |
3402 | ||
3403 | if (count == 0) | |
3404 | return TRUE; | |
3405 | ||
3406 | pos = section->filepos + offset; | |
3407 | if (bfd_seek (abfd, pos, SEEK_SET) != 0 | |
3408 | || bfd_bwrite (location, count, abfd) != count) | |
3409 | return FALSE; | |
3410 | ||
3411 | return TRUE; | |
3412 | } | |
3413 | ||
3414 | int | |
116c20d2 | 3415 | bfd_mach_o_sizeof_headers (bfd *a ATTRIBUTE_UNUSED, |
a6b96beb | 3416 | struct bfd_link_info *info ATTRIBUTE_UNUSED) |
3af9a47b NC |
3417 | { |
3418 | return 0; | |
3419 | } | |
3420 | ||
3421 | /* Make an empty symbol. This is required only because | |
3422 | bfd_make_section_anyway wants to create a symbol for the section. */ | |
3423 | ||
154a1ee5 | 3424 | asymbol * |
116c20d2 | 3425 | bfd_mach_o_make_empty_symbol (bfd *abfd) |
3af9a47b | 3426 | { |
d3ce72d0 NC |
3427 | asymbol *new_symbol; |
3428 | ||
3429 | new_symbol = bfd_zalloc (abfd, sizeof (bfd_mach_o_asymbol)); | |
3430 | if (new_symbol == NULL) | |
3431 | return new_symbol; | |
3432 | new_symbol->the_bfd = abfd; | |
b22161d6 | 3433 | new_symbol->udata.i = SYM_MACHO_FIELDS_UNSET; |
d3ce72d0 | 3434 | return new_symbol; |
3af9a47b NC |
3435 | } |
3436 | ||
154a1ee5 | 3437 | static bfd_boolean |
47daa70f | 3438 | bfd_mach_o_read_header (bfd *abfd, file_ptr hdr_off, bfd_mach_o_header *header) |
3af9a47b | 3439 | { |
46d1c23b | 3440 | struct mach_o_header_external raw; |
1e8a024a | 3441 | unsigned int size; |
edeb6e24 | 3442 | bfd_vma (*get32) (const void *) = NULL; |
3af9a47b | 3443 | |
1e8a024a | 3444 | /* Just read the magic number. */ |
47daa70f | 3445 | if (bfd_seek (abfd, hdr_off, SEEK_SET) != 0 |
46d1c23b | 3446 | || bfd_bread (raw.magic, sizeof (raw.magic), abfd) != 4) |
154a1ee5 | 3447 | return FALSE; |
3af9a47b | 3448 | |
46d1c23b | 3449 | if (bfd_getb32 (raw.magic) == BFD_MACH_O_MH_MAGIC) |
3af9a47b NC |
3450 | { |
3451 | header->byteorder = BFD_ENDIAN_BIG; | |
154a1ee5 | 3452 | header->magic = BFD_MACH_O_MH_MAGIC; |
1e8a024a | 3453 | header->version = 1; |
3af9a47b NC |
3454 | get32 = bfd_getb32; |
3455 | } | |
46d1c23b | 3456 | else if (bfd_getl32 (raw.magic) == BFD_MACH_O_MH_MAGIC) |
3af9a47b | 3457 | { |
a95a4550 | 3458 | header->byteorder = BFD_ENDIAN_LITTLE; |
154a1ee5 | 3459 | header->magic = BFD_MACH_O_MH_MAGIC; |
1e8a024a TG |
3460 | header->version = 1; |
3461 | get32 = bfd_getl32; | |
3462 | } | |
46d1c23b | 3463 | else if (bfd_getb32 (raw.magic) == BFD_MACH_O_MH_MAGIC_64) |
1e8a024a TG |
3464 | { |
3465 | header->byteorder = BFD_ENDIAN_BIG; | |
154a1ee5 | 3466 | header->magic = BFD_MACH_O_MH_MAGIC_64; |
1e8a024a TG |
3467 | header->version = 2; |
3468 | get32 = bfd_getb32; | |
3469 | } | |
46d1c23b | 3470 | else if (bfd_getl32 (raw.magic) == BFD_MACH_O_MH_MAGIC_64) |
1e8a024a TG |
3471 | { |
3472 | header->byteorder = BFD_ENDIAN_LITTLE; | |
154a1ee5 | 3473 | header->magic = BFD_MACH_O_MH_MAGIC_64; |
1e8a024a | 3474 | header->version = 2; |
3af9a47b NC |
3475 | get32 = bfd_getl32; |
3476 | } | |
3477 | else | |
3478 | { | |
3479 | header->byteorder = BFD_ENDIAN_UNKNOWN; | |
154a1ee5 | 3480 | return FALSE; |
3af9a47b | 3481 | } |
a95a4550 | 3482 | |
1e8a024a | 3483 | /* Once the size of the header is known, read the full header. */ |
c2f09c75 | 3484 | size = mach_o_wide_p (header) ? |
154a1ee5 | 3485 | BFD_MACH_O_HEADER_64_SIZE : BFD_MACH_O_HEADER_SIZE; |
1e8a024a | 3486 | |
47daa70f | 3487 | if (bfd_seek (abfd, hdr_off, SEEK_SET) != 0 |
46d1c23b | 3488 | || bfd_bread (&raw, size, abfd) != size) |
154a1ee5 | 3489 | return FALSE; |
1e8a024a | 3490 | |
46d1c23b TG |
3491 | header->cputype = (*get32) (raw.cputype); |
3492 | header->cpusubtype = (*get32) (raw.cpusubtype); | |
3493 | header->filetype = (*get32) (raw.filetype); | |
3494 | header->ncmds = (*get32) (raw.ncmds); | |
3495 | header->sizeofcmds = (*get32) (raw.sizeofcmds); | |
3496 | header->flags = (*get32) (raw.flags); | |
3af9a47b | 3497 | |
c2f09c75 | 3498 | if (mach_o_wide_p (header)) |
46d1c23b | 3499 | header->reserved = (*get32) (raw.reserved); |
facf03f2 TG |
3500 | else |
3501 | header->reserved = 0; | |
1e8a024a | 3502 | |
154a1ee5 | 3503 | return TRUE; |
3af9a47b NC |
3504 | } |
3505 | ||
f1bde64c TG |
3506 | bfd_boolean |
3507 | bfd_mach_o_new_section_hook (bfd *abfd, asection *sec) | |
3508 | { | |
3509 | bfd_mach_o_section *s; | |
fd361982 | 3510 | unsigned bfdalign = bfd_section_alignment (sec); |
f1bde64c TG |
3511 | |
3512 | s = bfd_mach_o_get_mach_o_section (sec); | |
3513 | if (s == NULL) | |
3514 | { | |
3515 | flagword bfd_flags; | |
a4551119 | 3516 | static const mach_o_section_name_xlat * xlat; |
f1bde64c TG |
3517 | |
3518 | s = (bfd_mach_o_section *) bfd_zalloc (abfd, sizeof (*s)); | |
3519 | if (s == NULL) | |
3520 | return FALSE; | |
3521 | sec->used_by_bfd = s; | |
3522 | s->bfdsection = sec; | |
3523 | ||
a4551119 TG |
3524 | /* Create the Darwin seg/sect name pair from the bfd name. |
3525 | If this is a canonical name for which a specific paiting exists | |
3526 | there will also be defined flags, type, attribute and alignment | |
3527 | values. */ | |
3528 | xlat = bfd_mach_o_convert_section_name_to_mach_o (abfd, sec, s); | |
3529 | if (xlat != NULL) | |
3530 | { | |
3531 | s->flags = xlat->macho_sectype | xlat->macho_secattr; | |
68ffbac6 | 3532 | s->align = xlat->sectalign > bfdalign ? xlat->sectalign |
a4551119 | 3533 | : bfdalign; |
fd361982 AM |
3534 | bfd_set_section_alignment (sec, s->align); |
3535 | bfd_flags = bfd_section_flags (sec); | |
a4551119 | 3536 | if (bfd_flags == SEC_NO_FLAGS) |
fd361982 | 3537 | bfd_set_section_flags (sec, xlat->bfd_flags); |
a4551119 | 3538 | } |
f1bde64c | 3539 | else |
a4551119 TG |
3540 | /* Create default flags. */ |
3541 | bfd_mach_o_set_section_flags_from_bfd (abfd, sec); | |
f1bde64c TG |
3542 | } |
3543 | ||
3544 | return _bfd_generic_new_section_hook (abfd, sec); | |
3545 | } | |
3546 | ||
3547 | static void | |
fd361982 | 3548 | bfd_mach_o_init_section_from_mach_o (asection *sec, unsigned long prot) |
3af9a47b | 3549 | { |
117ed4f8 | 3550 | flagword flags; |
f1bde64c | 3551 | bfd_mach_o_section *section; |
3af9a47b | 3552 | |
fd361982 | 3553 | flags = bfd_section_flags (sec); |
f1bde64c | 3554 | section = bfd_mach_o_get_mach_o_section (sec); |
3af9a47b | 3555 | |
a4551119 TG |
3556 | /* TODO: see if we should use the xlat system for doing this by |
3557 | preference and fall back to this for unknown sections. */ | |
3558 | ||
8462aec7 | 3559 | if (flags == SEC_NO_FLAGS) |
ef17cb22 | 3560 | { |
8462aec7 TG |
3561 | /* Try to guess flags. */ |
3562 | if (section->flags & BFD_MACH_O_S_ATTR_DEBUG) | |
07d6d2b8 | 3563 | flags = SEC_DEBUGGING; |
8462aec7 | 3564 | else |
07d6d2b8 AM |
3565 | { |
3566 | flags = SEC_ALLOC; | |
3567 | if ((section->flags & BFD_MACH_O_SECTION_TYPE_MASK) | |
3568 | != BFD_MACH_O_S_ZEROFILL) | |
3569 | { | |
3570 | flags |= SEC_LOAD; | |
3571 | if (prot & BFD_MACH_O_PROT_EXECUTE) | |
3572 | flags |= SEC_CODE; | |
3573 | if (prot & BFD_MACH_O_PROT_WRITE) | |
3574 | flags |= SEC_DATA; | |
3575 | else if (prot & BFD_MACH_O_PROT_READ) | |
3576 | flags |= SEC_READONLY; | |
3577 | } | |
3578 | } | |
ef17cb22 | 3579 | } |
15e1c58a TG |
3580 | else |
3581 | { | |
8462aec7 | 3582 | if ((flags & SEC_DEBUGGING) == 0) |
07d6d2b8 | 3583 | flags |= SEC_ALLOC; |
15e1c58a | 3584 | } |
8462aec7 TG |
3585 | |
3586 | if (section->offset != 0) | |
3587 | flags |= SEC_HAS_CONTENTS; | |
92bc0e80 TG |
3588 | if (section->nreloc != 0) |
3589 | flags |= SEC_RELOC; | |
3590 | ||
fd361982 | 3591 | bfd_set_section_flags (sec, flags); |
f1bde64c TG |
3592 | |
3593 | sec->vma = section->addr; | |
3594 | sec->lma = section->addr; | |
3595 | sec->size = section->size; | |
3596 | sec->filepos = section->offset; | |
3597 | sec->alignment_power = section->align; | |
3598 | sec->segment_mark = 0; | |
3599 | sec->reloc_count = section->nreloc; | |
3600 | sec->rel_filepos = section->reloff; | |
3601 | } | |
3602 | ||
3603 | static asection * | |
3604 | bfd_mach_o_make_bfd_section (bfd *abfd, | |
07d6d2b8 AM |
3605 | const unsigned char *segname, |
3606 | const unsigned char *sectname) | |
f1bde64c TG |
3607 | { |
3608 | const char *sname; | |
3609 | flagword flags; | |
a95a4550 | 3610 | |
f1bde64c TG |
3611 | bfd_mach_o_convert_section_name_to_bfd |
3612 | (abfd, (const char *)segname, (const char *)sectname, &sname, &flags); | |
3613 | if (sname == NULL) | |
3614 | return NULL; | |
3af9a47b | 3615 | |
f1bde64c | 3616 | return bfd_make_section_anyway_with_flags (abfd, sname, flags); |
3af9a47b NC |
3617 | } |
3618 | ||
f1bde64c | 3619 | static asection * |
47daa70f | 3620 | bfd_mach_o_read_section_32 (bfd *abfd, unsigned long prot) |
3af9a47b | 3621 | { |
46d1c23b | 3622 | struct mach_o_section_32_external raw; |
f1bde64c TG |
3623 | asection *sec; |
3624 | bfd_mach_o_section *section; | |
3af9a47b | 3625 | |
47daa70f TG |
3626 | if (bfd_bread (&raw, BFD_MACH_O_SECTION_SIZE, abfd) |
3627 | != BFD_MACH_O_SECTION_SIZE) | |
f1bde64c | 3628 | return NULL; |
a95a4550 | 3629 | |
5a5cbf72 | 3630 | sec = bfd_mach_o_make_bfd_section (abfd, raw.segname, raw.sectname); |
f1bde64c TG |
3631 | if (sec == NULL) |
3632 | return NULL; | |
3633 | ||
3634 | section = bfd_mach_o_get_mach_o_section (sec); | |
3635 | memcpy (section->segname, raw.segname, sizeof (raw.segname)); | |
3636 | section->segname[BFD_MACH_O_SEGNAME_SIZE] = 0; | |
3637 | memcpy (section->sectname, raw.sectname, sizeof (raw.sectname)); | |
69499dca | 3638 | section->sectname[BFD_MACH_O_SECTNAME_SIZE] = 0; |
46d1c23b TG |
3639 | section->addr = bfd_h_get_32 (abfd, raw.addr); |
3640 | section->size = bfd_h_get_32 (abfd, raw.size); | |
3641 | section->offset = bfd_h_get_32 (abfd, raw.offset); | |
3642 | section->align = bfd_h_get_32 (abfd, raw.align); | |
c86934ce NC |
3643 | /* PR 17512: file: 0017eb76. */ |
3644 | if (section->align > 64) | |
3645 | { | |
4eca0228 | 3646 | _bfd_error_handler |
d42c267e | 3647 | (_("bfd_mach_o_read_section_32: overlarge alignment value: %#lx, " |
4eca0228 | 3648 | "using 32 instead"), section->align); |
c86934ce NC |
3649 | section->align = 32; |
3650 | } | |
46d1c23b TG |
3651 | section->reloff = bfd_h_get_32 (abfd, raw.reloff); |
3652 | section->nreloc = bfd_h_get_32 (abfd, raw.nreloc); | |
3653 | section->flags = bfd_h_get_32 (abfd, raw.flags); | |
3654 | section->reserved1 = bfd_h_get_32 (abfd, raw.reserved1); | |
3655 | section->reserved2 = bfd_h_get_32 (abfd, raw.reserved2); | |
1e8a024a | 3656 | section->reserved3 = 0; |
1e8a024a | 3657 | |
fd361982 | 3658 | bfd_mach_o_init_section_from_mach_o (sec, prot); |
1e8a024a | 3659 | |
f1bde64c | 3660 | return sec; |
1e8a024a TG |
3661 | } |
3662 | ||
f1bde64c | 3663 | static asection * |
47daa70f | 3664 | bfd_mach_o_read_section_64 (bfd *abfd, unsigned long prot) |
1e8a024a | 3665 | { |
46d1c23b | 3666 | struct mach_o_section_64_external raw; |
f1bde64c TG |
3667 | asection *sec; |
3668 | bfd_mach_o_section *section; | |
1e8a024a | 3669 | |
47daa70f TG |
3670 | if (bfd_bread (&raw, BFD_MACH_O_SECTION_64_SIZE, abfd) |
3671 | != BFD_MACH_O_SECTION_64_SIZE) | |
f1bde64c TG |
3672 | return NULL; |
3673 | ||
5a5cbf72 | 3674 | sec = bfd_mach_o_make_bfd_section (abfd, raw.segname, raw.sectname); |
f1bde64c TG |
3675 | if (sec == NULL) |
3676 | return NULL; | |
1e8a024a | 3677 | |
f1bde64c TG |
3678 | section = bfd_mach_o_get_mach_o_section (sec); |
3679 | memcpy (section->segname, raw.segname, sizeof (raw.segname)); | |
3680 | section->segname[BFD_MACH_O_SEGNAME_SIZE] = 0; | |
3681 | memcpy (section->sectname, raw.sectname, sizeof (raw.sectname)); | |
69499dca | 3682 | section->sectname[BFD_MACH_O_SECTNAME_SIZE] = 0; |
46d1c23b TG |
3683 | section->addr = bfd_h_get_64 (abfd, raw.addr); |
3684 | section->size = bfd_h_get_64 (abfd, raw.size); | |
3685 | section->offset = bfd_h_get_32 (abfd, raw.offset); | |
3686 | section->align = bfd_h_get_32 (abfd, raw.align); | |
c86934ce NC |
3687 | if (section->align > 64) |
3688 | { | |
4eca0228 | 3689 | _bfd_error_handler |
d42c267e | 3690 | (_("bfd_mach_o_read_section_64: overlarge alignment value: %#lx, " |
4eca0228 | 3691 | "using 32 instead"), section->align); |
c86934ce NC |
3692 | section->align = 32; |
3693 | } | |
46d1c23b TG |
3694 | section->reloff = bfd_h_get_32 (abfd, raw.reloff); |
3695 | section->nreloc = bfd_h_get_32 (abfd, raw.nreloc); | |
3696 | section->flags = bfd_h_get_32 (abfd, raw.flags); | |
3697 | section->reserved1 = bfd_h_get_32 (abfd, raw.reserved1); | |
3698 | section->reserved2 = bfd_h_get_32 (abfd, raw.reserved2); | |
3699 | section->reserved3 = bfd_h_get_32 (abfd, raw.reserved3); | |
3af9a47b | 3700 | |
fd361982 | 3701 | bfd_mach_o_init_section_from_mach_o (sec, prot); |
3af9a47b | 3702 | |
f1bde64c | 3703 | return sec; |
3af9a47b NC |
3704 | } |
3705 | ||
f1bde64c | 3706 | static asection * |
47daa70f | 3707 | bfd_mach_o_read_section (bfd *abfd, unsigned long prot, unsigned int wide) |
1e8a024a TG |
3708 | { |
3709 | if (wide) | |
47daa70f | 3710 | return bfd_mach_o_read_section_64 (abfd, prot); |
1e8a024a | 3711 | else |
47daa70f | 3712 | return bfd_mach_o_read_section_32 (abfd, prot); |
1e8a024a TG |
3713 | } |
3714 | ||
afbb9e17 | 3715 | static bfd_boolean |
ab273af8 | 3716 | bfd_mach_o_read_symtab_symbol (bfd *abfd, |
07d6d2b8 AM |
3717 | bfd_mach_o_symtab_command *sym, |
3718 | bfd_mach_o_asymbol *s, | |
3719 | unsigned long i) | |
3af9a47b | 3720 | { |
046b007d | 3721 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
c2f09c75 | 3722 | unsigned int wide = mach_o_wide_p (&mdata->header); |
046b007d TG |
3723 | unsigned int symwidth = |
3724 | wide ? BFD_MACH_O_NLIST_64_SIZE : BFD_MACH_O_NLIST_SIZE; | |
92bc0e80 | 3725 | unsigned int symoff = sym->symoff + (i * symwidth); |
46d1c23b | 3726 | struct mach_o_nlist_64_external raw; |
3af9a47b NC |
3727 | unsigned char type = -1; |
3728 | unsigned char section = -1; | |
3729 | short desc = -1; | |
1e8a024a | 3730 | symvalue value = -1; |
3af9a47b NC |
3731 | unsigned long stroff = -1; |
3732 | unsigned int symtype = -1; | |
3733 | ||
3734 | BFD_ASSERT (sym->strtab != NULL); | |
3735 | ||
c2f09c75 | 3736 | if (bfd_seek (abfd, symoff, SEEK_SET) != 0 |
46d1c23b | 3737 | || bfd_bread (&raw, symwidth, abfd) != symwidth) |
3af9a47b | 3738 | { |
4eca0228 | 3739 | _bfd_error_handler |
695344c0 | 3740 | /* xgettext:c-format */ |
07d6d2b8 AM |
3741 | (_("bfd_mach_o_read_symtab_symbol: unable to read %d bytes at %u"), |
3742 | symwidth, symoff); | |
afbb9e17 | 3743 | return FALSE; |
3af9a47b NC |
3744 | } |
3745 | ||
46d1c23b TG |
3746 | stroff = bfd_h_get_32 (abfd, raw.n_strx); |
3747 | type = bfd_h_get_8 (abfd, raw.n_type); | |
c2f09c75 | 3748 | symtype = type & BFD_MACH_O_N_TYPE; |
46d1c23b TG |
3749 | section = bfd_h_get_8 (abfd, raw.n_sect); |
3750 | desc = bfd_h_get_16 (abfd, raw.n_desc); | |
1e8a024a | 3751 | if (wide) |
46d1c23b | 3752 | value = bfd_h_get_64 (abfd, raw.n_value); |
1e8a024a | 3753 | else |
46d1c23b | 3754 | value = bfd_h_get_32 (abfd, raw.n_value); |
3af9a47b NC |
3755 | |
3756 | if (stroff >= sym->strsize) | |
3757 | { | |
4eca0228 | 3758 | _bfd_error_handler |
695344c0 | 3759 | /* xgettext:c-format */ |
07d6d2b8 AM |
3760 | (_("bfd_mach_o_read_symtab_symbol: name out of range (%lu >= %u)"), |
3761 | stroff, | |
3762 | sym->strsize); | |
afbb9e17 | 3763 | return FALSE; |
3af9a47b NC |
3764 | } |
3765 | ||
92bc0e80 TG |
3766 | s->symbol.the_bfd = abfd; |
3767 | s->symbol.name = sym->strtab + stroff; | |
3768 | s->symbol.value = value; | |
3769 | s->symbol.flags = 0x0; | |
b22161d6 | 3770 | s->symbol.udata.i = i; |
92bc0e80 TG |
3771 | s->n_type = type; |
3772 | s->n_sect = section; | |
3773 | s->n_desc = desc; | |
3af9a47b NC |
3774 | |
3775 | if (type & BFD_MACH_O_N_STAB) | |
3776 | { | |
92bc0e80 TG |
3777 | s->symbol.flags |= BSF_DEBUGGING; |
3778 | s->symbol.section = bfd_und_section_ptr; | |
15e1c58a TG |
3779 | switch (type) |
3780 | { | |
3781 | case N_FUN: | |
3782 | case N_STSYM: | |
3783 | case N_LCSYM: | |
3784 | case N_BNSYM: | |
3785 | case N_SLINE: | |
3786 | case N_ENSYM: | |
3787 | case N_ECOMM: | |
3788 | case N_ECOML: | |
3789 | case N_GSYM: | |
3790 | if ((section > 0) && (section <= mdata->nsects)) | |
3791 | { | |
92bc0e80 TG |
3792 | s->symbol.section = mdata->sections[section - 1]->bfdsection; |
3793 | s->symbol.value = | |
07d6d2b8 | 3794 | s->symbol.value - mdata->sections[section - 1]->addr; |
15e1c58a TG |
3795 | } |
3796 | break; | |
3797 | } | |
3af9a47b NC |
3798 | } |
3799 | else | |
3800 | { | |
b22161d6 | 3801 | if (type & (BFD_MACH_O_N_PEXT | BFD_MACH_O_N_EXT)) |
92bc0e80 | 3802 | s->symbol.flags |= BSF_GLOBAL; |
b22161d6 | 3803 | else |
92bc0e80 | 3804 | s->symbol.flags |= BSF_LOCAL; |
3af9a47b NC |
3805 | |
3806 | switch (symtype) | |
3807 | { | |
3808 | case BFD_MACH_O_N_UNDF: | |
07d6d2b8 AM |
3809 | if (type == (BFD_MACH_O_N_UNDF | BFD_MACH_O_N_EXT) |
3810 | && s->symbol.value != 0) | |
3811 | { | |
3812 | /* A common symbol. */ | |
3813 | s->symbol.section = bfd_com_section_ptr; | |
3814 | s->symbol.flags = BSF_NO_FLAGS; | |
3815 | } | |
3816 | else | |
3817 | { | |
3818 | s->symbol.section = bfd_und_section_ptr; | |
3819 | if (s->n_desc & BFD_MACH_O_N_WEAK_REF) | |
3820 | s->symbol.flags |= BSF_WEAK; | |
3821 | } | |
3af9a47b NC |
3822 | break; |
3823 | case BFD_MACH_O_N_PBUD: | |
92bc0e80 | 3824 | s->symbol.section = bfd_und_section_ptr; |
3af9a47b NC |
3825 | break; |
3826 | case BFD_MACH_O_N_ABS: | |
92bc0e80 | 3827 | s->symbol.section = bfd_abs_section_ptr; |
3af9a47b NC |
3828 | break; |
3829 | case BFD_MACH_O_N_SECT: | |
3830 | if ((section > 0) && (section <= mdata->nsects)) | |
3831 | { | |
92bc0e80 TG |
3832 | s->symbol.section = mdata->sections[section - 1]->bfdsection; |
3833 | s->symbol.value = | |
07d6d2b8 | 3834 | s->symbol.value - mdata->sections[section - 1]->addr; |
3af9a47b NC |
3835 | } |
3836 | else | |
3837 | { | |
3838 | /* Mach-O uses 0 to mean "no section"; not an error. */ | |
3839 | if (section != 0) | |
3840 | { | |
4eca0228 | 3841 | _bfd_error_handler |
695344c0 | 3842 | /* xgettext:c-format */ |
4eca0228 AM |
3843 | (_("bfd_mach_o_read_symtab_symbol: " |
3844 | "symbol \"%s\" specified invalid section %d (max %lu): " | |
3845 | "setting to undefined"), | |
3846 | s->symbol.name, section, mdata->nsects); | |
3af9a47b | 3847 | } |
92bc0e80 | 3848 | s->symbol.section = bfd_und_section_ptr; |
3af9a47b NC |
3849 | } |
3850 | break; | |
3851 | case BFD_MACH_O_N_INDR: | |
0596a831 TG |
3852 | /* FIXME: we don't follow the BFD convention as this indirect symbol |
3853 | won't be followed by the referenced one. This looks harmless | |
3854 | unless we start using the linker. */ | |
3855 | s->symbol.flags |= BSF_INDIRECT; | |
3856 | s->symbol.section = bfd_ind_section_ptr; | |
3857 | s->symbol.value = 0; | |
3af9a47b NC |
3858 | break; |
3859 | default: | |
4eca0228 | 3860 | _bfd_error_handler |
695344c0 | 3861 | /* xgettext:c-format */ |
4eca0228 AM |
3862 | (_("bfd_mach_o_read_symtab_symbol: " |
3863 | "symbol \"%s\" specified invalid type field 0x%x: " | |
3864 | "setting to undefined"), s->symbol.name, symtype); | |
92bc0e80 | 3865 | s->symbol.section = bfd_und_section_ptr; |
3af9a47b NC |
3866 | break; |
3867 | } | |
3868 | } | |
3869 | ||
afbb9e17 | 3870 | return TRUE; |
3af9a47b NC |
3871 | } |
3872 | ||
c5012cd8 | 3873 | bfd_boolean |
ab273af8 | 3874 | bfd_mach_o_read_symtab_strtab (bfd *abfd) |
3af9a47b | 3875 | { |
046b007d TG |
3876 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
3877 | bfd_mach_o_symtab_command *sym = mdata->symtab; | |
3878 | ||
3879 | /* Fail if there is no symtab. */ | |
3880 | if (sym == NULL) | |
afbb9e17 | 3881 | return FALSE; |
046b007d TG |
3882 | |
3883 | /* Success if already loaded. */ | |
3884 | if (sym->strtab) | |
afbb9e17 | 3885 | return TRUE; |
3af9a47b NC |
3886 | |
3887 | if (abfd->flags & BFD_IN_MEMORY) | |
3888 | { | |
3889 | struct bfd_in_memory *b; | |
3890 | ||
3891 | b = (struct bfd_in_memory *) abfd->iostream; | |
3892 | ||
3893 | if ((sym->stroff + sym->strsize) > b->size) | |
3894 | { | |
3895 | bfd_set_error (bfd_error_file_truncated); | |
afbb9e17 | 3896 | return FALSE; |
3af9a47b | 3897 | } |
f075ee0c | 3898 | sym->strtab = (char *) b->buffer + sym->stroff; |
3af9a47b | 3899 | } |
046b007d | 3900 | else |
3af9a47b | 3901 | { |
8bdf0be1 NC |
3902 | /* See PR 21840 for a reproducer. */ |
3903 | if ((sym->strsize + 1) == 0) | |
3904 | return FALSE; | |
e7287c7f | 3905 | sym->strtab = bfd_alloc (abfd, sym->strsize + 1); |
046b007d | 3906 | if (sym->strtab == NULL) |
07d6d2b8 | 3907 | return FALSE; |
046b007d TG |
3908 | |
3909 | if (bfd_seek (abfd, sym->stroff, SEEK_SET) != 0 | |
07d6d2b8 AM |
3910 | || bfd_bread (sym->strtab, sym->strsize, abfd) != sym->strsize) |
3911 | { | |
a1165289 NC |
3912 | /* PR 17512: file: 10888-1609-0.004. */ |
3913 | bfd_release (abfd, sym->strtab); | |
3914 | sym->strtab = NULL; | |
07d6d2b8 AM |
3915 | bfd_set_error (bfd_error_file_truncated); |
3916 | return FALSE; | |
3917 | } | |
e7287c7f NC |
3918 | /* Zero terminate the string table. */ |
3919 | sym->strtab[sym->strsize] = 0; | |
3af9a47b NC |
3920 | } |
3921 | ||
afbb9e17 | 3922 | return TRUE; |
3af9a47b NC |
3923 | } |
3924 | ||
c5012cd8 | 3925 | bfd_boolean |
ab273af8 | 3926 | bfd_mach_o_read_symtab_symbols (bfd *abfd) |
3af9a47b | 3927 | { |
046b007d TG |
3928 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
3929 | bfd_mach_o_symtab_command *sym = mdata->symtab; | |
3af9a47b | 3930 | unsigned long i; |
1f4361a7 | 3931 | size_t amt; |
3af9a47b | 3932 | |
092d27ff | 3933 | if (sym == NULL || sym->symbols) |
0a9d414a NC |
3934 | /* Return now if there are no symbols or if already loaded. */ |
3935 | return TRUE; | |
046b007d | 3936 | |
1f4361a7 AM |
3937 | if (_bfd_mul_overflow (sym->nsyms, sizeof (bfd_mach_o_asymbol), &amt) |
3938 | || (sym->symbols = bfd_alloc (abfd, amt)) == NULL) | |
3af9a47b | 3939 | { |
1f4361a7 | 3940 | bfd_set_error (bfd_error_no_memory); |
4eca0228 AM |
3941 | _bfd_error_handler (_("bfd_mach_o_read_symtab_symbols: " |
3942 | "unable to allocate memory for symbols")); | |
64d29018 | 3943 | sym->nsyms = 0; |
afbb9e17 | 3944 | return FALSE; |
3af9a47b | 3945 | } |
a95a4550 | 3946 | |
afbb9e17 | 3947 | if (!bfd_mach_o_read_symtab_strtab (abfd)) |
64d29018 | 3948 | goto fail; |
3af9a47b NC |
3949 | |
3950 | for (i = 0; i < sym->nsyms; i++) | |
64d29018 NC |
3951 | if (!bfd_mach_o_read_symtab_symbol (abfd, sym, &sym->symbols[i], i)) |
3952 | goto fail; | |
a95a4550 | 3953 | |
afbb9e17 | 3954 | return TRUE; |
64d29018 NC |
3955 | |
3956 | fail: | |
3957 | bfd_release (abfd, sym->symbols); | |
3958 | sym->symbols = NULL; | |
3959 | sym->nsyms = 0; | |
3960 | return FALSE; | |
3af9a47b NC |
3961 | } |
3962 | ||
3963 | static const char * | |
116c20d2 | 3964 | bfd_mach_o_i386_flavour_string (unsigned int flavour) |
3af9a47b NC |
3965 | { |
3966 | switch ((int) flavour) | |
3967 | { | |
15e1c58a TG |
3968 | case BFD_MACH_O_x86_THREAD_STATE32: return "x86_THREAD_STATE32"; |
3969 | case BFD_MACH_O_x86_FLOAT_STATE32: return "x86_FLOAT_STATE32"; | |
3970 | case BFD_MACH_O_x86_EXCEPTION_STATE32: return "x86_EXCEPTION_STATE32"; | |
3971 | case BFD_MACH_O_x86_THREAD_STATE64: return "x86_THREAD_STATE64"; | |
3972 | case BFD_MACH_O_x86_FLOAT_STATE64: return "x86_FLOAT_STATE64"; | |
3973 | case BFD_MACH_O_x86_EXCEPTION_STATE64: return "x86_EXCEPTION_STATE64"; | |
3974 | case BFD_MACH_O_x86_THREAD_STATE: return "x86_THREAD_STATE"; | |
3975 | case BFD_MACH_O_x86_FLOAT_STATE: return "x86_FLOAT_STATE"; | |
3976 | case BFD_MACH_O_x86_EXCEPTION_STATE: return "x86_EXCEPTION_STATE"; | |
3977 | case BFD_MACH_O_x86_DEBUG_STATE32: return "x86_DEBUG_STATE32"; | |
3978 | case BFD_MACH_O_x86_DEBUG_STATE64: return "x86_DEBUG_STATE64"; | |
3979 | case BFD_MACH_O_x86_DEBUG_STATE: return "x86_DEBUG_STATE"; | |
b32e07d7 | 3980 | case BFD_MACH_O_x86_THREAD_STATE_NONE: return "x86_THREAD_STATE_NONE"; |
3af9a47b NC |
3981 | default: return "UNKNOWN"; |
3982 | } | |
3983 | } | |
3984 | ||
3985 | static const char * | |
116c20d2 | 3986 | bfd_mach_o_ppc_flavour_string (unsigned int flavour) |
3af9a47b NC |
3987 | { |
3988 | switch ((int) flavour) | |
3989 | { | |
b32e07d7 TG |
3990 | case BFD_MACH_O_PPC_THREAD_STATE: return "PPC_THREAD_STATE"; |
3991 | case BFD_MACH_O_PPC_FLOAT_STATE: return "PPC_FLOAT_STATE"; | |
3992 | case BFD_MACH_O_PPC_EXCEPTION_STATE: return "PPC_EXCEPTION_STATE"; | |
3993 | case BFD_MACH_O_PPC_VECTOR_STATE: return "PPC_VECTOR_STATE"; | |
3994 | case BFD_MACH_O_PPC_THREAD_STATE64: return "PPC_THREAD_STATE64"; | |
3995 | case BFD_MACH_O_PPC_EXCEPTION_STATE64: return "PPC_EXCEPTION_STATE64"; | |
3af9a47b NC |
3996 | default: return "UNKNOWN"; |
3997 | } | |
3998 | } | |
3999 | ||
806470a2 AM |
4000 | static unsigned char * |
4001 | bfd_mach_o_alloc_and_read (bfd *abfd, file_ptr filepos, size_t size) | |
4002 | { | |
4003 | unsigned char *buf; | |
4004 | ||
4005 | buf = bfd_alloc (abfd, size); | |
4006 | if (buf == NULL) | |
4007 | return NULL; | |
4008 | if (bfd_seek (abfd, filepos, SEEK_SET) != 0 | |
4009 | || bfd_bread (buf, size, abfd) != size) | |
4010 | return NULL; | |
4011 | return buf; | |
4012 | } | |
4013 | ||
452216ab | 4014 | static bfd_boolean |
ab273af8 | 4015 | bfd_mach_o_read_dylinker (bfd *abfd, bfd_mach_o_load_command *command) |
3af9a47b NC |
4016 | { |
4017 | bfd_mach_o_dylinker_command *cmd = &command->command.dylinker; | |
46d1c23b | 4018 | struct mach_o_str_command_external raw; |
3af9a47b | 4019 | unsigned int nameoff; |
4525c51a | 4020 | unsigned int namelen; |
3af9a47b | 4021 | |
3e6aa775 AM |
4022 | if (command->len < sizeof (raw) + 8) |
4023 | return FALSE; | |
47daa70f | 4024 | if (bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) |
452216ab | 4025 | return FALSE; |
3af9a47b | 4026 | |
46d1c23b | 4027 | nameoff = bfd_h_get_32 (abfd, raw.str); |
3e6aa775 AM |
4028 | if (nameoff > command->len) |
4029 | return FALSE; | |
3af9a47b | 4030 | |
4525c51a TG |
4031 | cmd->name_offset = nameoff; |
4032 | namelen = command->len - nameoff; | |
4033 | nameoff += command->offset; | |
806470a2 AM |
4034 | cmd->name_str = (char *) bfd_mach_o_alloc_and_read (abfd, nameoff, namelen); |
4035 | return cmd->name_str != NULL; | |
3af9a47b NC |
4036 | } |
4037 | ||
452216ab | 4038 | static bfd_boolean |
ab273af8 | 4039 | bfd_mach_o_read_dylib (bfd *abfd, bfd_mach_o_load_command *command) |
3af9a47b | 4040 | { |
47daa70f | 4041 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
3af9a47b | 4042 | bfd_mach_o_dylib_command *cmd = &command->command.dylib; |
46d1c23b | 4043 | struct mach_o_dylib_command_external raw; |
3af9a47b | 4044 | unsigned int nameoff; |
4525c51a | 4045 | unsigned int namelen; |
806470a2 | 4046 | file_ptr pos; |
3af9a47b | 4047 | |
3e6aa775 AM |
4048 | if (command->len < sizeof (raw) + 8) |
4049 | return FALSE; | |
046b007d TG |
4050 | switch (command->type) |
4051 | { | |
4052 | case BFD_MACH_O_LC_LOAD_DYLIB: | |
fbe383b9 | 4053 | case BFD_MACH_O_LC_LAZY_LOAD_DYLIB: |
046b007d | 4054 | case BFD_MACH_O_LC_LOAD_WEAK_DYLIB: |
046b007d | 4055 | case BFD_MACH_O_LC_ID_DYLIB: |
046b007d | 4056 | case BFD_MACH_O_LC_REEXPORT_DYLIB: |
73017762 | 4057 | case BFD_MACH_O_LC_LOAD_UPWARD_DYLIB: |
046b007d TG |
4058 | break; |
4059 | default: | |
b32e07d7 | 4060 | BFD_FAIL (); |
452216ab | 4061 | return FALSE; |
046b007d | 4062 | } |
3af9a47b | 4063 | |
47daa70f | 4064 | if (bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) |
452216ab | 4065 | return FALSE; |
3af9a47b | 4066 | |
46d1c23b | 4067 | nameoff = bfd_h_get_32 (abfd, raw.name); |
3e6aa775 AM |
4068 | if (nameoff > command->len) |
4069 | return FALSE; | |
46d1c23b TG |
4070 | cmd->timestamp = bfd_h_get_32 (abfd, raw.timestamp); |
4071 | cmd->current_version = bfd_h_get_32 (abfd, raw.current_version); | |
4072 | cmd->compatibility_version = bfd_h_get_32 (abfd, raw.compatibility_version); | |
3af9a47b NC |
4073 | |
4074 | cmd->name_offset = command->offset + nameoff; | |
4525c51a | 4075 | namelen = command->len - nameoff; |
806470a2 AM |
4076 | pos = mdata->hdr_offset + cmd->name_offset; |
4077 | cmd->name_str = (char *) bfd_mach_o_alloc_and_read (abfd, pos, namelen); | |
4078 | return cmd->name_str != NULL; | |
3af9a47b NC |
4079 | } |
4080 | ||
452216ab | 4081 | static bfd_boolean |
7a79c514 | 4082 | bfd_mach_o_read_prebound_dylib (bfd *abfd, |
07d6d2b8 | 4083 | bfd_mach_o_load_command *command) |
3af9a47b | 4084 | { |
7a79c514 TG |
4085 | bfd_mach_o_prebound_dylib_command *cmd = &command->command.prebound_dylib; |
4086 | struct mach_o_prebound_dylib_command_external raw; | |
4087 | unsigned int nameoff; | |
4088 | unsigned int modoff; | |
4089 | unsigned int str_len; | |
4090 | unsigned char *str; | |
4091 | ||
3e6aa775 AM |
4092 | if (command->len < sizeof (raw) + 8) |
4093 | return FALSE; | |
47daa70f | 4094 | if (bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) |
452216ab | 4095 | return FALSE; |
7a79c514 TG |
4096 | |
4097 | nameoff = bfd_h_get_32 (abfd, raw.name); | |
4098 | modoff = bfd_h_get_32 (abfd, raw.linked_modules); | |
4099 | if (nameoff > command->len || modoff > command->len) | |
452216ab | 4100 | return FALSE; |
7a79c514 TG |
4101 | |
4102 | str_len = command->len - sizeof (raw); | |
4103 | str = bfd_alloc (abfd, str_len); | |
4104 | if (str == NULL) | |
452216ab | 4105 | return FALSE; |
7a79c514 | 4106 | if (bfd_bread (str, str_len, abfd) != str_len) |
452216ab | 4107 | return FALSE; |
7a79c514 TG |
4108 | |
4109 | cmd->name_offset = command->offset + nameoff; | |
4110 | cmd->nmodules = bfd_h_get_32 (abfd, raw.nmodules); | |
4111 | cmd->linked_modules_offset = command->offset + modoff; | |
4112 | ||
4113 | cmd->name_str = (char *)str + nameoff - (sizeof (raw) + BFD_MACH_O_LC_SIZE); | |
4114 | cmd->linked_modules = str + modoff - (sizeof (raw) + BFD_MACH_O_LC_SIZE); | |
452216ab | 4115 | return TRUE; |
7a79c514 TG |
4116 | } |
4117 | ||
452216ab | 4118 | static bfd_boolean |
7a79c514 TG |
4119 | bfd_mach_o_read_prebind_cksum (bfd *abfd, |
4120 | bfd_mach_o_load_command *command) | |
4121 | { | |
4122 | bfd_mach_o_prebind_cksum_command *cmd = &command->command.prebind_cksum; | |
4123 | struct mach_o_prebind_cksum_command_external raw; | |
3af9a47b | 4124 | |
3e6aa775 AM |
4125 | if (command->len < sizeof (raw) + 8) |
4126 | return FALSE; | |
47daa70f | 4127 | if (bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) |
452216ab | 4128 | return FALSE; |
7a79c514 TG |
4129 | |
4130 | cmd->cksum = bfd_get_32 (abfd, raw.cksum); | |
452216ab | 4131 | return TRUE; |
7a79c514 TG |
4132 | } |
4133 | ||
452216ab | 4134 | static bfd_boolean |
7a79c514 TG |
4135 | bfd_mach_o_read_twolevel_hints (bfd *abfd, |
4136 | bfd_mach_o_load_command *command) | |
4137 | { | |
4138 | bfd_mach_o_twolevel_hints_command *cmd = &command->command.twolevel_hints; | |
4139 | struct mach_o_twolevel_hints_command_external raw; | |
4140 | ||
3e6aa775 AM |
4141 | if (command->len < sizeof (raw) + 8) |
4142 | return FALSE; | |
47daa70f | 4143 | if (bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) |
452216ab | 4144 | return FALSE; |
7a79c514 TG |
4145 | |
4146 | cmd->offset = bfd_get_32 (abfd, raw.offset); | |
4147 | cmd->nhints = bfd_get_32 (abfd, raw.nhints); | |
452216ab | 4148 | return TRUE; |
3af9a47b NC |
4149 | } |
4150 | ||
452216ab | 4151 | static bfd_boolean |
9f4a5bd1 TG |
4152 | bfd_mach_o_read_fvmlib (bfd *abfd, bfd_mach_o_load_command *command) |
4153 | { | |
4154 | bfd_mach_o_fvmlib_command *fvm = &command->command.fvmlib; | |
4155 | struct mach_o_fvmlib_command_external raw; | |
4156 | unsigned int nameoff; | |
4525c51a | 4157 | unsigned int namelen; |
9f4a5bd1 | 4158 | |
3e6aa775 AM |
4159 | if (command->len < sizeof (raw) + 8) |
4160 | return FALSE; | |
47daa70f | 4161 | if (bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) |
452216ab | 4162 | return FALSE; |
9f4a5bd1 TG |
4163 | |
4164 | nameoff = bfd_h_get_32 (abfd, raw.name); | |
3e6aa775 AM |
4165 | if (nameoff > command->len) |
4166 | return FALSE; | |
9f4a5bd1 TG |
4167 | fvm->minor_version = bfd_h_get_32 (abfd, raw.minor_version); |
4168 | fvm->header_addr = bfd_h_get_32 (abfd, raw.header_addr); | |
4169 | ||
4170 | fvm->name_offset = command->offset + nameoff; | |
4525c51a | 4171 | namelen = command->len - nameoff; |
806470a2 AM |
4172 | fvm->name_str = (char *) bfd_mach_o_alloc_and_read (abfd, fvm->name_offset, |
4173 | namelen); | |
4174 | return fvm->name_str != NULL; | |
9f4a5bd1 TG |
4175 | } |
4176 | ||
452216ab | 4177 | static bfd_boolean |
ab273af8 | 4178 | bfd_mach_o_read_thread (bfd *abfd, bfd_mach_o_load_command *command) |
3af9a47b | 4179 | { |
b32e07d7 | 4180 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
3af9a47b | 4181 | bfd_mach_o_thread_command *cmd = &command->command.thread; |
92bc0e80 | 4182 | unsigned int offset; |
3af9a47b NC |
4183 | unsigned int nflavours; |
4184 | unsigned int i; | |
3e6aa775 | 4185 | struct mach_o_thread_command_external raw; |
1f4361a7 | 4186 | size_t amt; |
3af9a47b NC |
4187 | |
4188 | BFD_ASSERT ((command->type == BFD_MACH_O_LC_THREAD) | |
4189 | || (command->type == BFD_MACH_O_LC_UNIXTHREAD)); | |
4190 | ||
b32e07d7 | 4191 | /* Count the number of threads. */ |
3af9a47b NC |
4192 | offset = 8; |
4193 | nflavours = 0; | |
3e6aa775 | 4194 | while (offset + sizeof (raw) <= command->len) |
3af9a47b | 4195 | { |
3e6aa775 | 4196 | unsigned int count; |
3af9a47b | 4197 | |
c2f09c75 | 4198 | if (bfd_seek (abfd, command->offset + offset, SEEK_SET) != 0 |
07d6d2b8 | 4199 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) |
452216ab | 4200 | return FALSE; |
3af9a47b | 4201 | |
3e6aa775 AM |
4202 | count = bfd_h_get_32 (abfd, raw.count); |
4203 | if (count > (unsigned) -1 / 4 | |
4204 | || command->len - (offset + sizeof (raw)) < count * 4) | |
4205 | return FALSE; | |
4206 | offset += sizeof (raw) + count * 4; | |
3af9a47b NC |
4207 | nflavours++; |
4208 | } | |
3e6aa775 AM |
4209 | if (nflavours == 0 || offset != command->len) |
4210 | return FALSE; | |
3af9a47b | 4211 | |
b32e07d7 | 4212 | /* Allocate threads. */ |
1f4361a7 AM |
4213 | if (_bfd_mul_overflow (nflavours, sizeof (bfd_mach_o_thread_flavour), &amt)) |
4214 | { | |
4215 | bfd_set_error (bfd_error_file_too_big); | |
4216 | return FALSE; | |
4217 | } | |
4218 | cmd->flavours = bfd_alloc (abfd, amt); | |
3af9a47b | 4219 | if (cmd->flavours == NULL) |
452216ab | 4220 | return FALSE; |
3af9a47b NC |
4221 | cmd->nflavours = nflavours; |
4222 | ||
4223 | offset = 8; | |
4224 | nflavours = 0; | |
4225 | while (offset != command->len) | |
4226 | { | |
c2f09c75 | 4227 | if (bfd_seek (abfd, command->offset + offset, SEEK_SET) != 0 |
07d6d2b8 | 4228 | || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) |
452216ab | 4229 | return FALSE; |
3af9a47b | 4230 | |
46d1c23b TG |
4231 | cmd->flavours[nflavours].flavour = bfd_h_get_32 (abfd, raw.flavour); |
4232 | cmd->flavours[nflavours].offset = command->offset + offset + sizeof (raw); | |
4233 | cmd->flavours[nflavours].size = bfd_h_get_32 (abfd, raw.count) * 4; | |
4234 | offset += cmd->flavours[nflavours].size + sizeof (raw); | |
3af9a47b NC |
4235 | nflavours++; |
4236 | } | |
4237 | ||
4238 | for (i = 0; i < nflavours; i++) | |
4239 | { | |
4240 | asection *bfdsec; | |
4241 | unsigned int snamelen; | |
4242 | char *sname; | |
4243 | const char *flavourstr; | |
4244 | const char *prefix = "LC_THREAD"; | |
a95a4550 AM |
4245 | unsigned int j = 0; |
4246 | ||
3af9a47b NC |
4247 | switch (mdata->header.cputype) |
4248 | { | |
4249 | case BFD_MACH_O_CPU_TYPE_POWERPC: | |
1e8a024a | 4250 | case BFD_MACH_O_CPU_TYPE_POWERPC_64: |
707e555b TG |
4251 | flavourstr = |
4252 | bfd_mach_o_ppc_flavour_string (cmd->flavours[i].flavour); | |
3af9a47b NC |
4253 | break; |
4254 | case BFD_MACH_O_CPU_TYPE_I386: | |
1e8a024a | 4255 | case BFD_MACH_O_CPU_TYPE_X86_64: |
707e555b TG |
4256 | flavourstr = |
4257 | bfd_mach_o_i386_flavour_string (cmd->flavours[i].flavour); | |
3af9a47b NC |
4258 | break; |
4259 | default: | |
4260 | flavourstr = "UNKNOWN_ARCHITECTURE"; | |
4261 | break; | |
4262 | } | |
a95a4550 | 4263 | |
3af9a47b | 4264 | snamelen = strlen (prefix) + 1 + 20 + 1 + strlen (flavourstr) + 1; |
116c20d2 | 4265 | sname = bfd_alloc (abfd, snamelen); |
3af9a47b | 4266 | if (sname == NULL) |
452216ab | 4267 | return FALSE; |
3af9a47b NC |
4268 | |
4269 | for (;;) | |
4270 | { | |
a95a4550 AM |
4271 | sprintf (sname, "%s.%s.%u", prefix, flavourstr, j); |
4272 | if (bfd_get_section_by_name (abfd, sname) == NULL) | |
3af9a47b | 4273 | break; |
a95a4550 | 4274 | j++; |
3af9a47b NC |
4275 | } |
4276 | ||
117ed4f8 | 4277 | bfdsec = bfd_make_section_with_flags (abfd, sname, SEC_HAS_CONTENTS); |
a95a4550 | 4278 | |
3af9a47b NC |
4279 | bfdsec->vma = 0; |
4280 | bfdsec->lma = 0; | |
eea6121a | 4281 | bfdsec->size = cmd->flavours[i].size; |
3af9a47b NC |
4282 | bfdsec->filepos = cmd->flavours[i].offset; |
4283 | bfdsec->alignment_power = 0x0; | |
3af9a47b NC |
4284 | |
4285 | cmd->section = bfdsec; | |
4286 | } | |
4287 | ||
452216ab | 4288 | return TRUE; |
3af9a47b NC |
4289 | } |
4290 | ||
452216ab | 4291 | static bfd_boolean |
ab273af8 | 4292 | bfd_mach_o_read_dysymtab (bfd *abfd, bfd_mach_o_load_command *command) |
3af9a47b | 4293 | { |
046b007d | 4294 | bfd_mach_o_dysymtab_command *cmd = &command->command.dysymtab; |
b32e07d7 | 4295 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
3af9a47b NC |
4296 | |
4297 | BFD_ASSERT (command->type == BFD_MACH_O_LC_DYSYMTAB); | |
4298 | ||
46d1c23b TG |
4299 | { |
4300 | struct mach_o_dysymtab_command_external raw; | |
4301 | ||
3e6aa775 AM |
4302 | if (command->len < sizeof (raw) + 8) |
4303 | return FALSE; | |
47daa70f | 4304 | if (bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) |
452216ab | 4305 | return FALSE; |
3af9a47b | 4306 | |
46d1c23b TG |
4307 | cmd->ilocalsym = bfd_h_get_32 (abfd, raw.ilocalsym); |
4308 | cmd->nlocalsym = bfd_h_get_32 (abfd, raw.nlocalsym); | |
4309 | cmd->iextdefsym = bfd_h_get_32 (abfd, raw.iextdefsym); | |
4310 | cmd->nextdefsym = bfd_h_get_32 (abfd, raw.nextdefsym); | |
4311 | cmd->iundefsym = bfd_h_get_32 (abfd, raw.iundefsym); | |
4312 | cmd->nundefsym = bfd_h_get_32 (abfd, raw.nundefsym); | |
4313 | cmd->tocoff = bfd_h_get_32 (abfd, raw.tocoff); | |
4314 | cmd->ntoc = bfd_h_get_32 (abfd, raw.ntoc); | |
4315 | cmd->modtaboff = bfd_h_get_32 (abfd, raw.modtaboff); | |
4316 | cmd->nmodtab = bfd_h_get_32 (abfd, raw.nmodtab); | |
4317 | cmd->extrefsymoff = bfd_h_get_32 (abfd, raw.extrefsymoff); | |
4318 | cmd->nextrefsyms = bfd_h_get_32 (abfd, raw.nextrefsyms); | |
4319 | cmd->indirectsymoff = bfd_h_get_32 (abfd, raw.indirectsymoff); | |
4320 | cmd->nindirectsyms = bfd_h_get_32 (abfd, raw.nindirectsyms); | |
4321 | cmd->extreloff = bfd_h_get_32 (abfd, raw.extreloff); | |
4322 | cmd->nextrel = bfd_h_get_32 (abfd, raw.nextrel); | |
4323 | cmd->locreloff = bfd_h_get_32 (abfd, raw.locreloff); | |
4324 | cmd->nlocrel = bfd_h_get_32 (abfd, raw.nlocrel); | |
4325 | } | |
046b007d TG |
4326 | |
4327 | if (cmd->nmodtab != 0) | |
4328 | { | |
046b007d TG |
4329 | unsigned int i; |
4330 | int wide = bfd_mach_o_wide_p (abfd); | |
4331 | unsigned int module_len = wide ? 56 : 52; | |
1f4361a7 | 4332 | size_t amt; |
046b007d | 4333 | |
1f4361a7 AM |
4334 | if (_bfd_mul_overflow (cmd->nmodtab, |
4335 | sizeof (bfd_mach_o_dylib_module), &amt)) | |
4336 | { | |
4337 | bfd_set_error (bfd_error_file_too_big); | |
4338 | return FALSE; | |
4339 | } | |
4340 | cmd->dylib_module = bfd_alloc (abfd, amt); | |
046b007d | 4341 | if (cmd->dylib_module == NULL) |
07d6d2b8 | 4342 | return FALSE; |
046b007d TG |
4343 | |
4344 | if (bfd_seek (abfd, cmd->modtaboff, SEEK_SET) != 0) | |
07d6d2b8 | 4345 | return FALSE; |
046b007d TG |
4346 | |
4347 | for (i = 0; i < cmd->nmodtab; i++) | |
07d6d2b8 AM |
4348 | { |
4349 | bfd_mach_o_dylib_module *module = &cmd->dylib_module[i]; | |
4350 | unsigned long v; | |
4351 | unsigned char buf[56]; | |
4352 | ||
4353 | if (bfd_bread ((void *) buf, module_len, abfd) != module_len) | |
4354 | return FALSE; | |
4355 | ||
4356 | module->module_name_idx = bfd_h_get_32 (abfd, buf + 0); | |
4357 | module->iextdefsym = bfd_h_get_32 (abfd, buf + 4); | |
4358 | module->nextdefsym = bfd_h_get_32 (abfd, buf + 8); | |
4359 | module->irefsym = bfd_h_get_32 (abfd, buf + 12); | |
4360 | module->nrefsym = bfd_h_get_32 (abfd, buf + 16); | |
4361 | module->ilocalsym = bfd_h_get_32 (abfd, buf + 20); | |
4362 | module->nlocalsym = bfd_h_get_32 (abfd, buf + 24); | |
4363 | module->iextrel = bfd_h_get_32 (abfd, buf + 28); | |
4364 | module->nextrel = bfd_h_get_32 (abfd, buf + 32); | |
4365 | v = bfd_h_get_32 (abfd, buf +36); | |
4366 | module->iinit = v & 0xffff; | |
4367 | module->iterm = (v >> 16) & 0xffff; | |
4368 | v = bfd_h_get_32 (abfd, buf + 40); | |
4369 | module->ninit = v & 0xffff; | |
4370 | module->nterm = (v >> 16) & 0xffff; | |
4371 | if (wide) | |
4372 | { | |
4373 | module->objc_module_info_size = bfd_h_get_32 (abfd, buf + 44); | |
4374 | module->objc_module_info_addr = bfd_h_get_64 (abfd, buf + 48); | |
4375 | } | |
4376 | else | |
4377 | { | |
4378 | module->objc_module_info_addr = bfd_h_get_32 (abfd, buf + 44); | |
4379 | module->objc_module_info_size = bfd_h_get_32 (abfd, buf + 48); | |
4380 | } | |
4381 | } | |
046b007d | 4382 | } |
afbb9e17 | 4383 | |
046b007d TG |
4384 | if (cmd->ntoc != 0) |
4385 | { | |
64d29018 | 4386 | unsigned long i; |
1f4361a7 | 4387 | size_t amt; |
046b007d | 4388 | |
1f4361a7 AM |
4389 | if (_bfd_mul_overflow (cmd->ntoc, |
4390 | sizeof (bfd_mach_o_dylib_table_of_content), &amt)) | |
4391 | { | |
4392 | bfd_set_error (bfd_error_file_too_big); | |
4393 | return FALSE; | |
4394 | } | |
4395 | cmd->dylib_toc = bfd_alloc (abfd, amt); | |
046b007d | 4396 | if (cmd->dylib_toc == NULL) |
07d6d2b8 | 4397 | return FALSE; |
046b007d TG |
4398 | |
4399 | if (bfd_seek (abfd, cmd->tocoff, SEEK_SET) != 0) | |
07d6d2b8 | 4400 | return FALSE; |
046b007d TG |
4401 | |
4402 | for (i = 0; i < cmd->ntoc; i++) | |
07d6d2b8 AM |
4403 | { |
4404 | struct mach_o_dylib_table_of_contents_external raw; | |
4405 | bfd_mach_o_dylib_table_of_content *toc = &cmd->dylib_toc[i]; | |
046b007d | 4406 | |
07d6d2b8 AM |
4407 | if (bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) |
4408 | return FALSE; | |
046b007d | 4409 | |
07d6d2b8 AM |
4410 | toc->symbol_index = bfd_h_get_32 (abfd, raw.symbol_index); |
4411 | toc->module_index = bfd_h_get_32 (abfd, raw.module_index); | |
4412 | } | |
046b007d TG |
4413 | } |
4414 | ||
4415 | if (cmd->nindirectsyms != 0) | |
4416 | { | |
046b007d | 4417 | unsigned int i; |
1f4361a7 | 4418 | size_t amt; |
046b007d | 4419 | |
1f4361a7 AM |
4420 | if (_bfd_mul_overflow (cmd->nindirectsyms, sizeof (unsigned int), &amt)) |
4421 | { | |
4422 | bfd_set_error (bfd_error_file_too_big); | |
4423 | return FALSE; | |
4424 | } | |
4425 | cmd->indirect_syms = bfd_alloc (abfd, amt); | |
046b007d | 4426 | if (cmd->indirect_syms == NULL) |
07d6d2b8 | 4427 | return FALSE; |
046b007d TG |
4428 | |
4429 | if (bfd_seek (abfd, cmd->indirectsymoff, SEEK_SET) != 0) | |
07d6d2b8 | 4430 | return FALSE; |
046b007d TG |
4431 | |
4432 | for (i = 0; i < cmd->nindirectsyms; i++) | |
07d6d2b8 AM |
4433 | { |
4434 | unsigned char raw[4]; | |
4435 | unsigned int *is = &cmd->indirect_syms[i]; | |
046b007d | 4436 | |
07d6d2b8 AM |
4437 | if (bfd_bread (raw, sizeof (raw), abfd) != sizeof (raw)) |
4438 | return FALSE; | |
046b007d | 4439 | |
07d6d2b8 AM |
4440 | *is = bfd_h_get_32 (abfd, raw); |
4441 | } | |
046b007d TG |
4442 | } |
4443 | ||
4444 | if (cmd->nextrefsyms != 0) | |
4445 | { | |
046b007d TG |
4446 | unsigned long v; |
4447 | unsigned int i; | |
1f4361a7 | 4448 | size_t amt; |
046b007d | 4449 | |
1f4361a7 AM |
4450 | if (_bfd_mul_overflow (cmd->nextrefsyms, |
4451 | sizeof (bfd_mach_o_dylib_reference), &amt)) | |
4452 | { | |
4453 | bfd_set_error (bfd_error_file_too_big); | |
4454 | return FALSE; | |
4455 | } | |
4456 | cmd->ext_refs = bfd_alloc (abfd, amt); | |
046b007d | 4457 | if (cmd->ext_refs == NULL) |
07d6d2b8 | 4458 | return FALSE; |
046b007d TG |
4459 | |
4460 | if (bfd_seek (abfd, cmd->extrefsymoff, SEEK_SET) != 0) | |
07d6d2b8 | 4461 | return FALSE; |
046b007d TG |
4462 | |
4463 | for (i = 0; i < cmd->nextrefsyms; i++) | |
07d6d2b8 AM |
4464 | { |
4465 | unsigned char raw[4]; | |
4466 | bfd_mach_o_dylib_reference *ref = &cmd->ext_refs[i]; | |
4467 | ||
4468 | if (bfd_bread (raw, sizeof (raw), abfd) != sizeof (raw)) | |
4469 | return FALSE; | |
4470 | ||
4471 | /* Fields isym and flags are written as bit-fields, thus we need | |
4472 | a specific processing for endianness. */ | |
4473 | v = bfd_h_get_32 (abfd, raw); | |
4474 | if (bfd_big_endian (abfd)) | |
4475 | { | |
4476 | ref->isym = (v >> 8) & 0xffffff; | |
4477 | ref->flags = v & 0xff; | |
4478 | } | |
4479 | else | |
4480 | { | |
4481 | ref->isym = v & 0xffffff; | |
4482 | ref->flags = (v >> 24) & 0xff; | |
4483 | } | |
4484 | } | |
046b007d | 4485 | } |
3af9a47b | 4486 | |
b32e07d7 | 4487 | if (mdata->dysymtab) |
452216ab | 4488 | return FALSE; |
b32e07d7 TG |
4489 | mdata->dysymtab = cmd; |
4490 | ||
452216ab | 4491 | return TRUE; |
3af9a47b NC |
4492 | } |
4493 | ||
452216ab | 4494 | static bfd_boolean |
ab273af8 | 4495 | bfd_mach_o_read_symtab (bfd *abfd, bfd_mach_o_load_command *command) |
3af9a47b | 4496 | { |
046b007d TG |
4497 | bfd_mach_o_symtab_command *symtab = &command->command.symtab; |
4498 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
46d1c23b | 4499 | struct mach_o_symtab_command_external raw; |
3af9a47b NC |
4500 | |
4501 | BFD_ASSERT (command->type == BFD_MACH_O_LC_SYMTAB); | |
4502 | ||
3e6aa775 AM |
4503 | if (command->len < sizeof (raw) + 8) |
4504 | return FALSE; | |
47daa70f | 4505 | if (bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) |
452216ab | 4506 | return FALSE; |
a95a4550 | 4507 | |
46d1c23b TG |
4508 | symtab->symoff = bfd_h_get_32 (abfd, raw.symoff); |
4509 | symtab->nsyms = bfd_h_get_32 (abfd, raw.nsyms); | |
4510 | symtab->stroff = bfd_h_get_32 (abfd, raw.stroff); | |
4511 | symtab->strsize = bfd_h_get_32 (abfd, raw.strsize); | |
046b007d TG |
4512 | symtab->symbols = NULL; |
4513 | symtab->strtab = NULL; | |
3af9a47b | 4514 | |
046b007d | 4515 | if (symtab->nsyms != 0) |
15e1c58a TG |
4516 | abfd->flags |= HAS_SYMS; |
4517 | ||
046b007d | 4518 | if (mdata->symtab) |
452216ab | 4519 | return FALSE; |
046b007d | 4520 | mdata->symtab = symtab; |
452216ab | 4521 | return TRUE; |
3af9a47b NC |
4522 | } |
4523 | ||
452216ab | 4524 | static bfd_boolean |
ab273af8 | 4525 | bfd_mach_o_read_uuid (bfd *abfd, bfd_mach_o_load_command *command) |
15e1c58a TG |
4526 | { |
4527 | bfd_mach_o_uuid_command *cmd = &command->command.uuid; | |
15e1c58a TG |
4528 | |
4529 | BFD_ASSERT (command->type == BFD_MACH_O_LC_UUID); | |
4530 | ||
3e6aa775 AM |
4531 | if (command->len < 16 + 8) |
4532 | return FALSE; | |
47daa70f | 4533 | if (bfd_bread (cmd->uuid, 16, abfd) != 16) |
452216ab | 4534 | return FALSE; |
15e1c58a | 4535 | |
452216ab | 4536 | return TRUE; |
15e1c58a TG |
4537 | } |
4538 | ||
452216ab | 4539 | static bfd_boolean |
ab273af8 | 4540 | bfd_mach_o_read_linkedit (bfd *abfd, bfd_mach_o_load_command *command) |
046b007d TG |
4541 | { |
4542 | bfd_mach_o_linkedit_command *cmd = &command->command.linkedit; | |
46d1c23b | 4543 | struct mach_o_linkedit_data_command_external raw; |
046b007d | 4544 | |
3e6aa775 AM |
4545 | if (command->len < sizeof (raw) + 8) |
4546 | return FALSE; | |
47daa70f | 4547 | if (bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) |
452216ab | 4548 | return FALSE; |
046b007d | 4549 | |
46d1c23b TG |
4550 | cmd->dataoff = bfd_get_32 (abfd, raw.dataoff); |
4551 | cmd->datasize = bfd_get_32 (abfd, raw.datasize); | |
452216ab | 4552 | return TRUE; |
046b007d TG |
4553 | } |
4554 | ||
452216ab | 4555 | static bfd_boolean |
ab273af8 | 4556 | bfd_mach_o_read_str (bfd *abfd, bfd_mach_o_load_command *command) |
046b007d TG |
4557 | { |
4558 | bfd_mach_o_str_command *cmd = &command->command.str; | |
46d1c23b | 4559 | struct mach_o_str_command_external raw; |
046b007d TG |
4560 | unsigned long off; |
4561 | ||
3e6aa775 AM |
4562 | if (command->len < sizeof (raw) + 8) |
4563 | return FALSE; | |
47daa70f | 4564 | if (bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) |
452216ab | 4565 | return FALSE; |
046b007d | 4566 | |
46d1c23b | 4567 | off = bfd_get_32 (abfd, raw.str); |
3e6aa775 AM |
4568 | if (off > command->len) |
4569 | return FALSE; | |
4570 | ||
046b007d TG |
4571 | cmd->stroff = command->offset + off; |
4572 | cmd->str_len = command->len - off; | |
806470a2 AM |
4573 | cmd->str = (char *) bfd_mach_o_alloc_and_read (abfd, cmd->stroff, |
4574 | cmd->str_len); | |
4575 | return cmd->str != NULL; | |
c9ffd2ea TG |
4576 | } |
4577 | ||
4578 | static bfd_boolean | |
4579 | bfd_mach_o_read_dyld_content (bfd *abfd, bfd_mach_o_dyld_info_command *cmd) | |
4580 | { | |
4581 | /* Read rebase content. */ | |
4582 | if (cmd->rebase_content == NULL && cmd->rebase_size != 0) | |
4583 | { | |
4584 | cmd->rebase_content = | |
4585 | bfd_mach_o_alloc_and_read (abfd, cmd->rebase_off, cmd->rebase_size); | |
4586 | if (cmd->rebase_content == NULL) | |
4587 | return FALSE; | |
4588 | } | |
4589 | ||
4590 | /* Read bind content. */ | |
4591 | if (cmd->bind_content == NULL && cmd->bind_size != 0) | |
4592 | { | |
4593 | cmd->bind_content = | |
4594 | bfd_mach_o_alloc_and_read (abfd, cmd->bind_off, cmd->bind_size); | |
4595 | if (cmd->bind_content == NULL) | |
4596 | return FALSE; | |
4597 | } | |
4598 | ||
4599 | /* Read weak bind content. */ | |
4600 | if (cmd->weak_bind_content == NULL && cmd->weak_bind_size != 0) | |
4601 | { | |
4602 | cmd->weak_bind_content = bfd_mach_o_alloc_and_read | |
4603 | (abfd, cmd->weak_bind_off, cmd->weak_bind_size); | |
4604 | if (cmd->weak_bind_content == NULL) | |
4605 | return FALSE; | |
4606 | } | |
4607 | ||
4608 | /* Read lazy bind content. */ | |
4609 | if (cmd->lazy_bind_content == NULL && cmd->lazy_bind_size != 0) | |
4610 | { | |
4611 | cmd->lazy_bind_content = bfd_mach_o_alloc_and_read | |
4612 | (abfd, cmd->lazy_bind_off, cmd->lazy_bind_size); | |
4613 | if (cmd->lazy_bind_content == NULL) | |
4614 | return FALSE; | |
4615 | } | |
4616 | ||
4617 | /* Read export content. */ | |
4618 | if (cmd->export_content == NULL && cmd->export_size != 0) | |
4619 | { | |
4620 | cmd->export_content = bfd_mach_o_alloc_and_read | |
4621 | (abfd, cmd->export_off, cmd->export_size); | |
4622 | if (cmd->export_content == NULL) | |
4623 | return FALSE; | |
4624 | } | |
4625 | ||
4626 | return TRUE; | |
4627 | } | |
4628 | ||
452216ab | 4629 | static bfd_boolean |
ab273af8 | 4630 | bfd_mach_o_read_dyld_info (bfd *abfd, bfd_mach_o_load_command *command) |
ad86f1fb TG |
4631 | { |
4632 | bfd_mach_o_dyld_info_command *cmd = &command->command.dyld_info; | |
46d1c23b | 4633 | struct mach_o_dyld_info_command_external raw; |
ad86f1fb | 4634 | |
3e6aa775 AM |
4635 | if (command->len < sizeof (raw) + 8) |
4636 | return FALSE; | |
47daa70f | 4637 | if (bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) |
452216ab | 4638 | return FALSE; |
ad86f1fb | 4639 | |
46d1c23b TG |
4640 | cmd->rebase_off = bfd_get_32 (abfd, raw.rebase_off); |
4641 | cmd->rebase_size = bfd_get_32 (abfd, raw.rebase_size); | |
c9ffd2ea | 4642 | cmd->rebase_content = NULL; |
46d1c23b TG |
4643 | cmd->bind_off = bfd_get_32 (abfd, raw.bind_off); |
4644 | cmd->bind_size = bfd_get_32 (abfd, raw.bind_size); | |
c9ffd2ea | 4645 | cmd->bind_content = NULL; |
46d1c23b TG |
4646 | cmd->weak_bind_off = bfd_get_32 (abfd, raw.weak_bind_off); |
4647 | cmd->weak_bind_size = bfd_get_32 (abfd, raw.weak_bind_size); | |
c9ffd2ea | 4648 | cmd->weak_bind_content = NULL; |
46d1c23b TG |
4649 | cmd->lazy_bind_off = bfd_get_32 (abfd, raw.lazy_bind_off); |
4650 | cmd->lazy_bind_size = bfd_get_32 (abfd, raw.lazy_bind_size); | |
c9ffd2ea | 4651 | cmd->lazy_bind_content = NULL; |
46d1c23b TG |
4652 | cmd->export_off = bfd_get_32 (abfd, raw.export_off); |
4653 | cmd->export_size = bfd_get_32 (abfd, raw.export_size); | |
c9ffd2ea | 4654 | cmd->export_content = NULL; |
452216ab | 4655 | return TRUE; |
ad86f1fb TG |
4656 | } |
4657 | ||
edbdea0e TG |
4658 | static bfd_boolean |
4659 | bfd_mach_o_read_version_min (bfd *abfd, bfd_mach_o_load_command *command) | |
4660 | { | |
4661 | bfd_mach_o_version_min_command *cmd = &command->command.version_min; | |
4662 | struct mach_o_version_min_command_external raw; | |
edbdea0e | 4663 | |
3e6aa775 AM |
4664 | if (command->len < sizeof (raw) + 8) |
4665 | return FALSE; | |
47daa70f | 4666 | if (bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) |
edbdea0e TG |
4667 | return FALSE; |
4668 | ||
fc7b364a RB |
4669 | cmd->version = bfd_get_32 (abfd, raw.version); |
4670 | cmd->sdk = bfd_get_32 (abfd, raw.sdk); | |
edbdea0e TG |
4671 | return TRUE; |
4672 | } | |
4673 | ||
fc55a902 TG |
4674 | static bfd_boolean |
4675 | bfd_mach_o_read_encryption_info (bfd *abfd, bfd_mach_o_load_command *command) | |
4676 | { | |
4677 | bfd_mach_o_encryption_info_command *cmd = &command->command.encryption_info; | |
4678 | struct mach_o_encryption_info_command_external raw; | |
4679 | ||
3e6aa775 AM |
4680 | if (command->len < sizeof (raw) + 8) |
4681 | return FALSE; | |
47daa70f TG |
4682 | if (bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) |
4683 | return FALSE; | |
4684 | ||
4685 | cmd->cryptoff = bfd_get_32 (abfd, raw.cryptoff); | |
4686 | cmd->cryptsize = bfd_get_32 (abfd, raw.cryptsize); | |
4687 | cmd->cryptid = bfd_get_32 (abfd, raw.cryptid); | |
4688 | return TRUE; | |
4689 | } | |
4690 | ||
4691 | static bfd_boolean | |
4692 | bfd_mach_o_read_encryption_info_64 (bfd *abfd, bfd_mach_o_load_command *command) | |
4693 | { | |
4694 | bfd_mach_o_encryption_info_command *cmd = &command->command.encryption_info; | |
4695 | struct mach_o_encryption_info_64_command_external raw; | |
4696 | ||
3e6aa775 AM |
4697 | if (command->len < sizeof (raw) + 8) |
4698 | return FALSE; | |
47daa70f | 4699 | if (bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) |
fc55a902 TG |
4700 | return FALSE; |
4701 | ||
4702 | cmd->cryptoff = bfd_get_32 (abfd, raw.cryptoff); | |
4703 | cmd->cryptsize = bfd_get_32 (abfd, raw.cryptsize); | |
4704 | cmd->cryptid = bfd_get_32 (abfd, raw.cryptid); | |
4705 | return TRUE; | |
4706 | } | |
4707 | ||
1778ad74 TG |
4708 | static bfd_boolean |
4709 | bfd_mach_o_read_main (bfd *abfd, bfd_mach_o_load_command *command) | |
4710 | { | |
4711 | bfd_mach_o_main_command *cmd = &command->command.main; | |
4712 | struct mach_o_entry_point_command_external raw; | |
4713 | ||
3e6aa775 AM |
4714 | if (command->len < sizeof (raw) + 8) |
4715 | return FALSE; | |
47daa70f | 4716 | if (bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) |
1778ad74 TG |
4717 | return FALSE; |
4718 | ||
4719 | cmd->entryoff = bfd_get_64 (abfd, raw.entryoff); | |
4720 | cmd->stacksize = bfd_get_64 (abfd, raw.stacksize); | |
4721 | return TRUE; | |
4722 | } | |
4723 | ||
4724 | static bfd_boolean | |
4725 | bfd_mach_o_read_source_version (bfd *abfd, bfd_mach_o_load_command *command) | |
4726 | { | |
4727 | bfd_mach_o_source_version_command *cmd = &command->command.source_version; | |
4728 | struct mach_o_source_version_command_external raw; | |
4729 | bfd_uint64_t ver; | |
4730 | ||
3e6aa775 AM |
4731 | if (command->len < sizeof (raw) + 8) |
4732 | return FALSE; | |
47daa70f | 4733 | if (bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) |
1778ad74 TG |
4734 | return FALSE; |
4735 | ||
4736 | ver = bfd_get_64 (abfd, raw.version); | |
4737 | /* Note: we use a serie of shift to avoid shift > 32 (for which gcc | |
4738 | generates warnings) in case of the host doesn't support 64 bit | |
4739 | integers. */ | |
4740 | cmd->e = ver & 0x3ff; | |
4741 | ver >>= 10; | |
4742 | cmd->d = ver & 0x3ff; | |
4743 | ver >>= 10; | |
4744 | cmd->c = ver & 0x3ff; | |
4745 | ver >>= 10; | |
4746 | cmd->b = ver & 0x3ff; | |
4747 | ver >>= 10; | |
4748 | cmd->a = ver & 0xffffff; | |
4749 | return TRUE; | |
4750 | } | |
4751 | ||
fc7b364a RB |
4752 | static bfd_boolean |
4753 | bfd_mach_o_read_note (bfd *abfd, bfd_mach_o_load_command *command) | |
4754 | { | |
4755 | bfd_mach_o_note_command *cmd = &command->command.note; | |
4756 | struct mach_o_note_command_external raw; | |
4757 | ||
3e6aa775 AM |
4758 | if (command->len < sizeof (raw) + 8) |
4759 | return FALSE; | |
fc7b364a RB |
4760 | if (bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) |
4761 | return FALSE; | |
4762 | ||
4763 | memcpy (cmd->data_owner, raw.data_owner, 16); | |
4764 | cmd->offset = bfd_get_64 (abfd, raw.offset); | |
4765 | cmd->size = bfd_get_64 (abfd, raw.size); | |
4766 | return TRUE; | |
4767 | } | |
4768 | ||
4769 | static bfd_boolean | |
4770 | bfd_mach_o_read_build_version (bfd *abfd, bfd_mach_o_load_command *command) | |
4771 | { | |
4772 | bfd_mach_o_build_version_command *cmd = &command->command.build_version; | |
4773 | struct mach_o_build_version_command_external raw; | |
4774 | ||
3e6aa775 AM |
4775 | if (command->len < sizeof (raw) + 8) |
4776 | return FALSE; | |
fc7b364a RB |
4777 | if (bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) |
4778 | return FALSE; | |
4779 | ||
4780 | cmd->platform = bfd_get_32 (abfd, raw.platform); | |
4781 | cmd->minos = bfd_get_32 (abfd, raw.minos); | |
4782 | cmd->sdk = bfd_get_32 (abfd, raw.sdk); | |
4783 | cmd->ntools = bfd_get_32 (abfd, raw.ntools); | |
4784 | return TRUE; | |
4785 | } | |
4786 | ||
452216ab | 4787 | static bfd_boolean |
ab273af8 | 4788 | bfd_mach_o_read_segment (bfd *abfd, |
07d6d2b8 AM |
4789 | bfd_mach_o_load_command *command, |
4790 | unsigned int wide) | |
3af9a47b | 4791 | { |
3af9a47b NC |
4792 | bfd_mach_o_segment_command *seg = &command->command.segment; |
4793 | unsigned long i; | |
a95a4550 | 4794 | |
1e8a024a TG |
4795 | if (wide) |
4796 | { | |
46d1c23b TG |
4797 | struct mach_o_segment_command_64_external raw; |
4798 | ||
1e8a024a | 4799 | BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT_64); |
3af9a47b | 4800 | |
3e6aa775 AM |
4801 | if (command->len < sizeof (raw) + 8) |
4802 | return FALSE; | |
47daa70f | 4803 | if (bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) |
07d6d2b8 | 4804 | return FALSE; |
3af9a47b | 4805 | |
46d1c23b | 4806 | memcpy (seg->segname, raw.segname, 16); |
15e1c58a | 4807 | seg->segname[16] = '\0'; |
1e8a024a | 4808 | |
46d1c23b TG |
4809 | seg->vmaddr = bfd_h_get_64 (abfd, raw.vmaddr); |
4810 | seg->vmsize = bfd_h_get_64 (abfd, raw.vmsize); | |
4811 | seg->fileoff = bfd_h_get_64 (abfd, raw.fileoff); | |
4812 | seg->filesize = bfd_h_get_64 (abfd, raw.filesize); | |
4813 | seg->maxprot = bfd_h_get_32 (abfd, raw.maxprot); | |
4814 | seg->initprot = bfd_h_get_32 (abfd, raw.initprot); | |
4815 | seg->nsects = bfd_h_get_32 (abfd, raw.nsects); | |
4816 | seg->flags = bfd_h_get_32 (abfd, raw.flags); | |
1e8a024a TG |
4817 | } |
4818 | else | |
4819 | { | |
46d1c23b TG |
4820 | struct mach_o_segment_command_32_external raw; |
4821 | ||
1e8a024a TG |
4822 | BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT); |
4823 | ||
3e6aa775 AM |
4824 | if (command->len < sizeof (raw) + 8) |
4825 | return FALSE; | |
47daa70f | 4826 | if (bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw)) |
07d6d2b8 | 4827 | return FALSE; |
1e8a024a | 4828 | |
46d1c23b | 4829 | memcpy (seg->segname, raw.segname, 16); |
15e1c58a | 4830 | seg->segname[16] = '\0'; |
1e8a024a | 4831 | |
46d1c23b TG |
4832 | seg->vmaddr = bfd_h_get_32 (abfd, raw.vmaddr); |
4833 | seg->vmsize = bfd_h_get_32 (abfd, raw.vmsize); | |
4834 | seg->fileoff = bfd_h_get_32 (abfd, raw.fileoff); | |
4835 | seg->filesize = bfd_h_get_32 (abfd, raw.filesize); | |
4836 | seg->maxprot = bfd_h_get_32 (abfd, raw.maxprot); | |
4837 | seg->initprot = bfd_h_get_32 (abfd, raw.initprot); | |
4838 | seg->nsects = bfd_h_get_32 (abfd, raw.nsects); | |
4839 | seg->flags = bfd_h_get_32 (abfd, raw.flags); | |
1e8a024a | 4840 | } |
9d4b6009 TG |
4841 | seg->sect_head = NULL; |
4842 | seg->sect_tail = NULL; | |
3af9a47b | 4843 | |
f1bde64c | 4844 | for (i = 0; i < seg->nsects; i++) |
3af9a47b | 4845 | { |
f1bde64c | 4846 | asection *sec; |
a95a4550 | 4847 | |
47daa70f | 4848 | sec = bfd_mach_o_read_section (abfd, seg->initprot, wide); |
f1bde64c | 4849 | if (sec == NULL) |
07d6d2b8 | 4850 | return FALSE; |
f1bde64c | 4851 | |
c9ffd2ea TG |
4852 | bfd_mach_o_append_section_to_segment |
4853 | (seg, bfd_mach_o_get_mach_o_section (sec)); | |
3af9a47b NC |
4854 | } |
4855 | ||
452216ab | 4856 | return TRUE; |
3af9a47b NC |
4857 | } |
4858 | ||
452216ab | 4859 | static bfd_boolean |
ab273af8 | 4860 | bfd_mach_o_read_segment_32 (bfd *abfd, bfd_mach_o_load_command *command) |
1e8a024a | 4861 | { |
ab273af8 | 4862 | return bfd_mach_o_read_segment (abfd, command, 0); |
1e8a024a TG |
4863 | } |
4864 | ||
452216ab | 4865 | static bfd_boolean |
ab273af8 | 4866 | bfd_mach_o_read_segment_64 (bfd *abfd, bfd_mach_o_load_command *command) |
1e8a024a | 4867 | { |
ab273af8 | 4868 | return bfd_mach_o_read_segment (abfd, command, 1); |
1e8a024a TG |
4869 | } |
4870 | ||
452216ab | 4871 | static bfd_boolean |
ab273af8 | 4872 | bfd_mach_o_read_command (bfd *abfd, bfd_mach_o_load_command *command) |
3af9a47b | 4873 | { |
47daa70f | 4874 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
46d1c23b TG |
4875 | struct mach_o_load_command_external raw; |
4876 | unsigned int cmd; | |
3af9a47b | 4877 | |
046b007d | 4878 | /* Read command type and length. */ |
47daa70f | 4879 | if (bfd_seek (abfd, mdata->hdr_offset + command->offset, SEEK_SET) != 0 |
46d1c23b | 4880 | || bfd_bread (&raw, BFD_MACH_O_LC_SIZE, abfd) != BFD_MACH_O_LC_SIZE) |
452216ab | 4881 | return FALSE; |
3af9a47b | 4882 | |
46d1c23b | 4883 | cmd = bfd_h_get_32 (abfd, raw.cmd); |
3e6aa775 | 4884 | command->type = cmd & ~BFD_MACH_O_LC_REQ_DYLD; |
46d1c23b TG |
4885 | command->type_required = cmd & BFD_MACH_O_LC_REQ_DYLD ? TRUE : FALSE; |
4886 | command->len = bfd_h_get_32 (abfd, raw.cmdsize); | |
3e6aa775 AM |
4887 | if (command->len < 8 || command->len % 4 != 0) |
4888 | return FALSE; | |
3af9a47b NC |
4889 | |
4890 | switch (command->type) | |
4891 | { | |
4892 | case BFD_MACH_O_LC_SEGMENT: | |
452216ab TG |
4893 | if (!bfd_mach_o_read_segment_32 (abfd, command)) |
4894 | return FALSE; | |
1e8a024a TG |
4895 | break; |
4896 | case BFD_MACH_O_LC_SEGMENT_64: | |
452216ab TG |
4897 | if (!bfd_mach_o_read_segment_64 (abfd, command)) |
4898 | return FALSE; | |
3af9a47b NC |
4899 | break; |
4900 | case BFD_MACH_O_LC_SYMTAB: | |
452216ab TG |
4901 | if (!bfd_mach_o_read_symtab (abfd, command)) |
4902 | return FALSE; | |
3af9a47b NC |
4903 | break; |
4904 | case BFD_MACH_O_LC_SYMSEG: | |
4905 | break; | |
4906 | case BFD_MACH_O_LC_THREAD: | |
4907 | case BFD_MACH_O_LC_UNIXTHREAD: | |
452216ab TG |
4908 | if (!bfd_mach_o_read_thread (abfd, command)) |
4909 | return FALSE; | |
3af9a47b NC |
4910 | break; |
4911 | case BFD_MACH_O_LC_LOAD_DYLINKER: | |
4912 | case BFD_MACH_O_LC_ID_DYLINKER: | |
10be66a4 | 4913 | case BFD_MACH_O_LC_DYLD_ENVIRONMENT: |
452216ab TG |
4914 | if (!bfd_mach_o_read_dylinker (abfd, command)) |
4915 | return FALSE; | |
3af9a47b NC |
4916 | break; |
4917 | case BFD_MACH_O_LC_LOAD_DYLIB: | |
fbe383b9 | 4918 | case BFD_MACH_O_LC_LAZY_LOAD_DYLIB: |
3af9a47b NC |
4919 | case BFD_MACH_O_LC_ID_DYLIB: |
4920 | case BFD_MACH_O_LC_LOAD_WEAK_DYLIB: | |
046b007d | 4921 | case BFD_MACH_O_LC_REEXPORT_DYLIB: |
73017762 | 4922 | case BFD_MACH_O_LC_LOAD_UPWARD_DYLIB: |
452216ab TG |
4923 | if (!bfd_mach_o_read_dylib (abfd, command)) |
4924 | return FALSE; | |
3af9a47b NC |
4925 | break; |
4926 | case BFD_MACH_O_LC_PREBOUND_DYLIB: | |
452216ab TG |
4927 | if (!bfd_mach_o_read_prebound_dylib (abfd, command)) |
4928 | return FALSE; | |
3af9a47b NC |
4929 | break; |
4930 | case BFD_MACH_O_LC_LOADFVMLIB: | |
4931 | case BFD_MACH_O_LC_IDFVMLIB: | |
452216ab TG |
4932 | if (!bfd_mach_o_read_fvmlib (abfd, command)) |
4933 | return FALSE; | |
9f4a5bd1 | 4934 | break; |
3af9a47b NC |
4935 | case BFD_MACH_O_LC_IDENT: |
4936 | case BFD_MACH_O_LC_FVMFILE: | |
4937 | case BFD_MACH_O_LC_PREPAGE: | |
4938 | case BFD_MACH_O_LC_ROUTINES: | |
9b02d212 | 4939 | case BFD_MACH_O_LC_ROUTINES_64: |
046b007d | 4940 | break; |
3af9a47b | 4941 | case BFD_MACH_O_LC_SUB_FRAMEWORK: |
046b007d TG |
4942 | case BFD_MACH_O_LC_SUB_UMBRELLA: |
4943 | case BFD_MACH_O_LC_SUB_LIBRARY: | |
4944 | case BFD_MACH_O_LC_SUB_CLIENT: | |
0c9b2b4c | 4945 | case BFD_MACH_O_LC_RPATH: |
452216ab | 4946 | if (!bfd_mach_o_read_str (abfd, command)) |
07d6d2b8 | 4947 | return FALSE; |
3af9a47b NC |
4948 | break; |
4949 | case BFD_MACH_O_LC_DYSYMTAB: | |
452216ab TG |
4950 | if (!bfd_mach_o_read_dysymtab (abfd, command)) |
4951 | return FALSE; | |
3af9a47b | 4952 | break; |
3af9a47b | 4953 | case BFD_MACH_O_LC_PREBIND_CKSUM: |
452216ab TG |
4954 | if (!bfd_mach_o_read_prebind_cksum (abfd, command)) |
4955 | return FALSE; | |
7a79c514 TG |
4956 | break; |
4957 | case BFD_MACH_O_LC_TWOLEVEL_HINTS: | |
452216ab TG |
4958 | if (!bfd_mach_o_read_twolevel_hints (abfd, command)) |
4959 | return FALSE; | |
3af9a47b | 4960 | break; |
15e1c58a | 4961 | case BFD_MACH_O_LC_UUID: |
452216ab TG |
4962 | if (!bfd_mach_o_read_uuid (abfd, command)) |
4963 | return FALSE; | |
15e1c58a TG |
4964 | break; |
4965 | case BFD_MACH_O_LC_CODE_SIGNATURE: | |
846b9259 | 4966 | case BFD_MACH_O_LC_SEGMENT_SPLIT_INFO: |
edbdea0e | 4967 | case BFD_MACH_O_LC_FUNCTION_STARTS: |
1778ad74 TG |
4968 | case BFD_MACH_O_LC_DATA_IN_CODE: |
4969 | case BFD_MACH_O_LC_DYLIB_CODE_SIGN_DRS: | |
47daa70f | 4970 | case BFD_MACH_O_LC_LINKER_OPTIMIZATION_HINT: |
452216ab TG |
4971 | if (!bfd_mach_o_read_linkedit (abfd, command)) |
4972 | return FALSE; | |
15e1c58a | 4973 | break; |
fc55a902 TG |
4974 | case BFD_MACH_O_LC_ENCRYPTION_INFO: |
4975 | if (!bfd_mach_o_read_encryption_info (abfd, command)) | |
452216ab | 4976 | return FALSE; |
fc55a902 | 4977 | break; |
47daa70f TG |
4978 | case BFD_MACH_O_LC_ENCRYPTION_INFO_64: |
4979 | if (!bfd_mach_o_read_encryption_info_64 (abfd, command)) | |
4980 | return FALSE; | |
4981 | break; | |
ad86f1fb | 4982 | case BFD_MACH_O_LC_DYLD_INFO: |
452216ab TG |
4983 | if (!bfd_mach_o_read_dyld_info (abfd, command)) |
4984 | return FALSE; | |
ad86f1fb | 4985 | break; |
edbdea0e TG |
4986 | case BFD_MACH_O_LC_VERSION_MIN_MACOSX: |
4987 | case BFD_MACH_O_LC_VERSION_MIN_IPHONEOS: | |
47daa70f | 4988 | case BFD_MACH_O_LC_VERSION_MIN_WATCHOS: |
fc7b364a | 4989 | case BFD_MACH_O_LC_VERSION_MIN_TVOS: |
edbdea0e | 4990 | if (!bfd_mach_o_read_version_min (abfd, command)) |
452216ab | 4991 | return FALSE; |
edbdea0e | 4992 | break; |
1778ad74 TG |
4993 | case BFD_MACH_O_LC_MAIN: |
4994 | if (!bfd_mach_o_read_main (abfd, command)) | |
452216ab | 4995 | return FALSE; |
1778ad74 TG |
4996 | break; |
4997 | case BFD_MACH_O_LC_SOURCE_VERSION: | |
4998 | if (!bfd_mach_o_read_source_version (abfd, command)) | |
452216ab | 4999 | return FALSE; |
1778ad74 | 5000 | break; |
ddea148b | 5001 | case BFD_MACH_O_LC_LINKER_OPTIONS: |
fc7b364a RB |
5002 | break; |
5003 | case BFD_MACH_O_LC_NOTE: | |
5004 | if (!bfd_mach_o_read_note (abfd, command)) | |
4b24dd1a | 5005 | return FALSE; |
fc7b364a | 5006 | break; |
ddea148b | 5007 | case BFD_MACH_O_LC_BUILD_VERSION: |
fc7b364a | 5008 | if (!bfd_mach_o_read_build_version (abfd, command)) |
4b24dd1a | 5009 | return FALSE; |
ddea148b | 5010 | break; |
3af9a47b | 5011 | default: |
86eafac0 | 5012 | command->len = 0; |
871b3ab2 | 5013 | _bfd_error_handler (_("%pB: unknown load command %#x"), |
d42c267e | 5014 | abfd, command->type); |
86eafac0 | 5015 | return FALSE; |
3af9a47b NC |
5016 | } |
5017 | ||
452216ab | 5018 | return TRUE; |
3af9a47b NC |
5019 | } |
5020 | ||
96d3b80f | 5021 | static bfd_boolean |
116c20d2 | 5022 | bfd_mach_o_flatten_sections (bfd *abfd) |
3af9a47b | 5023 | { |
046b007d | 5024 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
c9ffd2ea | 5025 | bfd_mach_o_load_command *cmd; |
3af9a47b | 5026 | long csect = 0; |
1f4361a7 | 5027 | size_t amt; |
a95a4550 | 5028 | |
15e1c58a | 5029 | /* Count total number of sections. */ |
3af9a47b NC |
5030 | mdata->nsects = 0; |
5031 | ||
c9ffd2ea | 5032 | for (cmd = mdata->first_command; cmd != NULL; cmd = cmd->next) |
3af9a47b | 5033 | { |
c9ffd2ea TG |
5034 | if (cmd->type == BFD_MACH_O_LC_SEGMENT |
5035 | || cmd->type == BFD_MACH_O_LC_SEGMENT_64) | |
3af9a47b | 5036 | { |
c9ffd2ea | 5037 | bfd_mach_o_segment_command *seg = &cmd->command.segment; |
e84d6fca | 5038 | |
3af9a47b NC |
5039 | mdata->nsects += seg->nsects; |
5040 | } | |
5041 | } | |
5042 | ||
15e1c58a | 5043 | /* Allocate sections array. */ |
1f4361a7 AM |
5044 | if (_bfd_mul_overflow (mdata->nsects, sizeof (bfd_mach_o_section *), &amt)) |
5045 | { | |
5046 | bfd_set_error (bfd_error_file_too_big); | |
5047 | return FALSE; | |
5048 | } | |
5049 | mdata->sections = bfd_alloc (abfd, amt); | |
96d3b80f AM |
5050 | if (mdata->sections == NULL && mdata->nsects != 0) |
5051 | return FALSE; | |
15e1c58a TG |
5052 | |
5053 | /* Fill the array. */ | |
3af9a47b NC |
5054 | csect = 0; |
5055 | ||
c9ffd2ea | 5056 | for (cmd = mdata->first_command; cmd != NULL; cmd = cmd->next) |
3af9a47b | 5057 | { |
c9ffd2ea TG |
5058 | if (cmd->type == BFD_MACH_O_LC_SEGMENT |
5059 | || cmd->type == BFD_MACH_O_LC_SEGMENT_64) | |
3af9a47b | 5060 | { |
c9ffd2ea | 5061 | bfd_mach_o_segment_command *seg = &cmd->command.segment; |
07d6d2b8 | 5062 | bfd_mach_o_section *sec; |
3af9a47b NC |
5063 | |
5064 | BFD_ASSERT (csect + seg->nsects <= mdata->nsects); | |
5065 | ||
07d6d2b8 | 5066 | for (sec = seg->sect_head; sec != NULL; sec = sec->next) |
f1bde64c | 5067 | mdata->sections[csect++] = sec; |
3af9a47b NC |
5068 | } |
5069 | } | |
96d3b80f | 5070 | return TRUE; |
3af9a47b NC |
5071 | } |
5072 | ||
afbb9e17 | 5073 | static bfd_boolean |
116c20d2 | 5074 | bfd_mach_o_scan_start_address (bfd *abfd) |
3af9a47b | 5075 | { |
046b007d | 5076 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
c9ffd2ea TG |
5077 | bfd_mach_o_thread_command *thr = NULL; |
5078 | bfd_mach_o_load_command *cmd; | |
3af9a47b NC |
5079 | unsigned long i; |
5080 | ||
c9ffd2ea TG |
5081 | for (cmd = mdata->first_command; cmd != NULL; cmd = cmd->next) |
5082 | if (cmd->type == BFD_MACH_O_LC_THREAD | |
5083 | || cmd->type == BFD_MACH_O_LC_UNIXTHREAD) | |
afbb9e17 | 5084 | { |
07d6d2b8 AM |
5085 | thr = &cmd->command.thread; |
5086 | break; | |
afbb9e17 | 5087 | } |
c9ffd2ea | 5088 | else if (cmd->type == BFD_MACH_O_LC_MAIN && mdata->nsects > 1) |
c0fd7846 | 5089 | { |
c9ffd2ea | 5090 | bfd_mach_o_main_command *main_cmd = &cmd->command.main; |
c0fd7846 | 5091 | bfd_mach_o_section *text_sect = mdata->sections[0]; |
c9ffd2ea | 5092 | |
c0fd7846 TG |
5093 | if (text_sect) |
5094 | { | |
5095 | abfd->start_address = main_cmd->entryoff | |
5096 | + (text_sect->addr - text_sect->offset); | |
5097 | return TRUE; | |
5098 | } | |
5099 | } | |
3af9a47b | 5100 | |
5ee43bc4 | 5101 | /* An object file has no start address, so do not fail if not found. */ |
c9ffd2ea | 5102 | if (thr == NULL) |
5ee43bc4 | 5103 | return TRUE; |
3af9a47b | 5104 | |
afbb9e17 | 5105 | /* FIXME: create a subtarget hook ? */ |
c9ffd2ea | 5106 | for (i = 0; i < thr->nflavours; i++) |
3af9a47b | 5107 | { |
a95a4550 | 5108 | if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_I386) |
c9ffd2ea | 5109 | && (thr->flavours[i].flavour == BFD_MACH_O_x86_THREAD_STATE32)) |
3af9a47b NC |
5110 | { |
5111 | unsigned char buf[4]; | |
5112 | ||
c9ffd2ea | 5113 | if (bfd_seek (abfd, thr->flavours[i].offset + 40, SEEK_SET) != 0 |
07d6d2b8 | 5114 | || bfd_bread (buf, 4, abfd) != 4) |
afbb9e17 | 5115 | return FALSE; |
3af9a47b NC |
5116 | |
5117 | abfd->start_address = bfd_h_get_32 (abfd, buf); | |
5118 | } | |
a95a4550 | 5119 | else if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_POWERPC) |
c9ffd2ea | 5120 | && (thr->flavours[i].flavour == BFD_MACH_O_PPC_THREAD_STATE)) |
3af9a47b NC |
5121 | { |
5122 | unsigned char buf[4]; | |
5123 | ||
c9ffd2ea | 5124 | if (bfd_seek (abfd, thr->flavours[i].offset + 0, SEEK_SET) != 0 |
07d6d2b8 | 5125 | || bfd_bread (buf, 4, abfd) != 4) |
afbb9e17 | 5126 | return FALSE; |
3af9a47b NC |
5127 | |
5128 | abfd->start_address = bfd_h_get_32 (abfd, buf); | |
5129 | } | |
1e8a024a | 5130 | else if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_POWERPC_64) |
07d6d2b8 AM |
5131 | && (thr->flavours[i].flavour == BFD_MACH_O_PPC_THREAD_STATE64)) |
5132 | { | |
5133 | unsigned char buf[8]; | |
1e8a024a | 5134 | |
07d6d2b8 AM |
5135 | if (bfd_seek (abfd, thr->flavours[i].offset + 0, SEEK_SET) != 0 |
5136 | || bfd_bread (buf, 8, abfd) != 8) | |
5137 | return FALSE; | |
1e8a024a | 5138 | |
07d6d2b8 AM |
5139 | abfd->start_address = bfd_h_get_64 (abfd, buf); |
5140 | } | |
1e8a024a | 5141 | else if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_X86_64) |
07d6d2b8 AM |
5142 | && (thr->flavours[i].flavour == BFD_MACH_O_x86_THREAD_STATE64)) |
5143 | { | |
5144 | unsigned char buf[8]; | |
1e8a024a | 5145 | |
07d6d2b8 AM |
5146 | if (bfd_seek (abfd, thr->flavours[i].offset + (16 * 8), SEEK_SET) != 0 |
5147 | || bfd_bread (buf, 8, abfd) != 8) | |
5148 | return FALSE; | |
1e8a024a | 5149 | |
07d6d2b8 AM |
5150 | abfd->start_address = bfd_h_get_64 (abfd, buf); |
5151 | } | |
3af9a47b NC |
5152 | } |
5153 | ||
afbb9e17 | 5154 | return TRUE; |
3af9a47b NC |
5155 | } |
5156 | ||
42fa0891 TG |
5157 | bfd_boolean |
5158 | bfd_mach_o_set_arch_mach (bfd *abfd, | |
07d6d2b8 AM |
5159 | enum bfd_architecture arch, |
5160 | unsigned long machine) | |
42fa0891 TG |
5161 | { |
5162 | bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd); | |
5163 | ||
5164 | /* If this isn't the right architecture for this backend, and this | |
5165 | isn't the generic backend, fail. */ | |
5166 | if (arch != bed->arch | |
5167 | && arch != bfd_arch_unknown | |
5168 | && bed->arch != bfd_arch_unknown) | |
5169 | return FALSE; | |
5170 | ||
5171 | return bfd_default_set_arch_mach (abfd, arch, machine); | |
5172 | } | |
5173 | ||
afbb9e17 | 5174 | static bfd_boolean |
116c20d2 NC |
5175 | bfd_mach_o_scan (bfd *abfd, |
5176 | bfd_mach_o_header *header, | |
5177 | bfd_mach_o_data_struct *mdata) | |
3af9a47b NC |
5178 | { |
5179 | unsigned int i; | |
4bb7a87e JB |
5180 | enum bfd_architecture cpu_type; |
5181 | unsigned long cpu_subtype; | |
1e8a024a TG |
5182 | unsigned int hdrsize; |
5183 | ||
c2f09c75 | 5184 | hdrsize = mach_o_wide_p (header) ? |
154a1ee5 | 5185 | BFD_MACH_O_HEADER_64_SIZE : BFD_MACH_O_HEADER_SIZE; |
3af9a47b | 5186 | |
3af9a47b | 5187 | mdata->header = *header; |
3af9a47b | 5188 | |
154a1ee5 | 5189 | abfd->flags = abfd->flags & BFD_IN_MEMORY; |
15e1c58a TG |
5190 | switch (header->filetype) |
5191 | { | |
5192 | case BFD_MACH_O_MH_OBJECT: | |
5193 | abfd->flags |= HAS_RELOC; | |
5194 | break; | |
5195 | case BFD_MACH_O_MH_EXECUTE: | |
5196 | abfd->flags |= EXEC_P; | |
5197 | break; | |
5198 | case BFD_MACH_O_MH_DYLIB: | |
5199 | case BFD_MACH_O_MH_BUNDLE: | |
5200 | abfd->flags |= DYNAMIC; | |
5201 | break; | |
5202 | } | |
5203 | ||
3af9a47b NC |
5204 | abfd->tdata.mach_o_data = mdata; |
5205 | ||
e84d6fca | 5206 | bfd_mach_o_convert_architecture (header->cputype, header->cpusubtype, |
4bb7a87e JB |
5207 | &cpu_type, &cpu_subtype); |
5208 | if (cpu_type == bfd_arch_unknown) | |
3af9a47b | 5209 | { |
4eca0228 | 5210 | _bfd_error_handler |
695344c0 | 5211 | /* xgettext:c-format */ |
07d6d2b8 AM |
5212 | (_("bfd_mach_o_scan: unknown architecture 0x%lx/0x%lx"), |
5213 | header->cputype, header->cpusubtype); | |
afbb9e17 | 5214 | return FALSE; |
3af9a47b NC |
5215 | } |
5216 | ||
4bb7a87e | 5217 | bfd_set_arch_mach (abfd, cpu_type, cpu_subtype); |
a95a4550 | 5218 | |
3af9a47b NC |
5219 | if (header->ncmds != 0) |
5220 | { | |
c9ffd2ea | 5221 | bfd_mach_o_load_command *cmd; |
1f4361a7 | 5222 | size_t amt; |
c9ffd2ea TG |
5223 | |
5224 | mdata->first_command = NULL; | |
5225 | mdata->last_command = NULL; | |
64d29018 | 5226 | |
1f4361a7 AM |
5227 | if (_bfd_mul_overflow (header->ncmds, |
5228 | sizeof (bfd_mach_o_load_command), &amt)) | |
5229 | { | |
5230 | bfd_set_error (bfd_error_file_too_big); | |
5231 | return FALSE; | |
5232 | } | |
5233 | cmd = bfd_alloc (abfd, amt); | |
c9ffd2ea | 5234 | if (cmd == NULL) |
afbb9e17 | 5235 | return FALSE; |
a95a4550 | 5236 | |
3af9a47b NC |
5237 | for (i = 0; i < header->ncmds; i++) |
5238 | { | |
c9ffd2ea TG |
5239 | bfd_mach_o_load_command *cur = &cmd[i]; |
5240 | ||
5241 | bfd_mach_o_append_command (abfd, cur); | |
3af9a47b NC |
5242 | |
5243 | if (i == 0) | |
1e8a024a | 5244 | cur->offset = hdrsize; |
3af9a47b NC |
5245 | else |
5246 | { | |
c9ffd2ea | 5247 | bfd_mach_o_load_command *prev = &cmd[i - 1]; |
3af9a47b NC |
5248 | cur->offset = prev->offset + prev->len; |
5249 | } | |
5250 | ||
452216ab | 5251 | if (!bfd_mach_o_read_command (abfd, cur)) |
afbb9e17 | 5252 | return FALSE; |
a95a4550 | 5253 | } |
3af9a47b NC |
5254 | } |
5255 | ||
c0fd7846 | 5256 | /* Sections should be flatten before scanning start address. */ |
96d3b80f AM |
5257 | if (!bfd_mach_o_flatten_sections (abfd)) |
5258 | return FALSE; | |
c0fd7846 | 5259 | if (!bfd_mach_o_scan_start_address (abfd)) |
afbb9e17 | 5260 | return FALSE; |
3af9a47b | 5261 | |
afbb9e17 | 5262 | return TRUE; |
3af9a47b NC |
5263 | } |
5264 | ||
b34976b6 | 5265 | bfd_boolean |
154a1ee5 | 5266 | bfd_mach_o_mkobject_init (bfd *abfd) |
3af9a47b NC |
5267 | { |
5268 | bfd_mach_o_data_struct *mdata = NULL; | |
5269 | ||
b30a5d18 | 5270 | mdata = bfd_zalloc (abfd, sizeof (bfd_mach_o_data_struct)); |
3af9a47b | 5271 | if (mdata == NULL) |
b34976b6 | 5272 | return FALSE; |
3af9a47b NC |
5273 | abfd->tdata.mach_o_data = mdata; |
5274 | ||
5275 | mdata->header.magic = 0; | |
5276 | mdata->header.cputype = 0; | |
5277 | mdata->header.cpusubtype = 0; | |
5278 | mdata->header.filetype = 0; | |
5279 | mdata->header.ncmds = 0; | |
5280 | mdata->header.sizeofcmds = 0; | |
5281 | mdata->header.flags = 0; | |
5282 | mdata->header.byteorder = BFD_ENDIAN_UNKNOWN; | |
c9ffd2ea TG |
5283 | mdata->first_command = NULL; |
5284 | mdata->last_command = NULL; | |
3af9a47b NC |
5285 | mdata->nsects = 0; |
5286 | mdata->sections = NULL; | |
4434114c | 5287 | mdata->dyn_reloc_cache = NULL; |
3af9a47b | 5288 | |
b34976b6 | 5289 | return TRUE; |
3af9a47b NC |
5290 | } |
5291 | ||
42fa0891 TG |
5292 | static bfd_boolean |
5293 | bfd_mach_o_gen_mkobject (bfd *abfd) | |
5294 | { | |
5295 | bfd_mach_o_data_struct *mdata; | |
5296 | ||
5297 | if (!bfd_mach_o_mkobject_init (abfd)) | |
5298 | return FALSE; | |
5299 | ||
5300 | mdata = bfd_mach_o_get_data (abfd); | |
5301 | mdata->header.magic = BFD_MACH_O_MH_MAGIC; | |
5302 | mdata->header.cputype = 0; | |
5303 | mdata->header.cpusubtype = 0; | |
5304 | mdata->header.byteorder = abfd->xvec->byteorder; | |
5305 | mdata->header.version = 1; | |
5306 | ||
5307 | return TRUE; | |
5308 | } | |
5309 | ||
3af9a47b | 5310 | const bfd_target * |
154a1ee5 | 5311 | bfd_mach_o_header_p (bfd *abfd, |
47daa70f | 5312 | file_ptr hdr_off, |
4bb7a87e JB |
5313 | bfd_mach_o_filetype file_type, |
5314 | bfd_mach_o_cpu_type cpu_type) | |
3af9a47b NC |
5315 | { |
5316 | bfd_mach_o_header header; | |
c9ba0c87 | 5317 | bfd_mach_o_data_struct *mdata; |
3af9a47b | 5318 | |
47daa70f | 5319 | if (!bfd_mach_o_read_header (abfd, hdr_off, &header)) |
e84d6fca | 5320 | goto wrong; |
3af9a47b | 5321 | |
e84d6fca AM |
5322 | if (! (header.byteorder == BFD_ENDIAN_BIG |
5323 | || header.byteorder == BFD_ENDIAN_LITTLE)) | |
3af9a47b | 5324 | { |
d42c267e AM |
5325 | _bfd_error_handler (_("unknown header byte-order value %#x"), |
5326 | header.byteorder); | |
e84d6fca | 5327 | goto wrong; |
3af9a47b NC |
5328 | } |
5329 | ||
e84d6fca AM |
5330 | if (! ((header.byteorder == BFD_ENDIAN_BIG |
5331 | && abfd->xvec->byteorder == BFD_ENDIAN_BIG | |
5332 | && abfd->xvec->header_byteorder == BFD_ENDIAN_BIG) | |
5333 | || (header.byteorder == BFD_ENDIAN_LITTLE | |
5334 | && abfd->xvec->byteorder == BFD_ENDIAN_LITTLE | |
5335 | && abfd->xvec->header_byteorder == BFD_ENDIAN_LITTLE))) | |
5336 | goto wrong; | |
3af9a47b | 5337 | |
154a1ee5 TG |
5338 | /* Check cputype and filetype. |
5339 | In case of wildcard, do not accept magics that are handled by existing | |
5340 | targets. */ | |
4bb7a87e | 5341 | if (cpu_type) |
154a1ee5 | 5342 | { |
4bb7a87e | 5343 | if (header.cputype != cpu_type) |
07d6d2b8 | 5344 | goto wrong; |
154a1ee5 | 5345 | } |
26954155 TG |
5346 | else |
5347 | { | |
5348 | #ifndef BFD64 | |
5349 | /* Do not recognize 64 architectures if not configured for 64bit targets. | |
5350 | This could happen only for generic targets. */ | |
5351 | if (mach_o_wide_p (&header)) | |
5352 | goto wrong; | |
5353 | #endif | |
5354 | } | |
b22161d6 | 5355 | |
4bb7a87e | 5356 | if (file_type) |
154a1ee5 | 5357 | { |
4bb7a87e | 5358 | if (header.filetype != file_type) |
07d6d2b8 | 5359 | goto wrong; |
154a1ee5 TG |
5360 | } |
5361 | else | |
5362 | { | |
5363 | switch (header.filetype) | |
07d6d2b8 AM |
5364 | { |
5365 | case BFD_MACH_O_MH_CORE: | |
5366 | /* Handled by core_p */ | |
5367 | goto wrong; | |
5368 | default: | |
5369 | break; | |
5370 | } | |
154a1ee5 TG |
5371 | } |
5372 | ||
c9ba0c87 AM |
5373 | mdata = (bfd_mach_o_data_struct *) bfd_zalloc (abfd, sizeof (*mdata)); |
5374 | if (mdata == NULL) | |
e84d6fca | 5375 | goto fail; |
47daa70f | 5376 | mdata->hdr_offset = hdr_off; |
3af9a47b | 5377 | |
c9ba0c87 | 5378 | if (!bfd_mach_o_scan (abfd, &header, mdata)) |
e84d6fca | 5379 | goto wrong; |
a95a4550 | 5380 | |
3af9a47b | 5381 | return abfd->xvec; |
e84d6fca AM |
5382 | |
5383 | wrong: | |
5384 | bfd_set_error (bfd_error_wrong_format); | |
5385 | ||
5386 | fail: | |
e84d6fca | 5387 | return NULL; |
3af9a47b NC |
5388 | } |
5389 | ||
154a1ee5 TG |
5390 | static const bfd_target * |
5391 | bfd_mach_o_gen_object_p (bfd *abfd) | |
3af9a47b | 5392 | { |
47daa70f | 5393 | return bfd_mach_o_header_p (abfd, 0, 0, 0); |
154a1ee5 | 5394 | } |
e84d6fca | 5395 | |
154a1ee5 TG |
5396 | static const bfd_target * |
5397 | bfd_mach_o_gen_core_p (bfd *abfd) | |
5398 | { | |
47daa70f | 5399 | return bfd_mach_o_header_p (abfd, 0, BFD_MACH_O_MH_CORE, 0); |
3af9a47b NC |
5400 | } |
5401 | ||
3cc27770 TG |
5402 | /* Return the base address of ABFD, ie the address at which the image is |
5403 | mapped. The possible initial pagezero is ignored. */ | |
5404 | ||
5405 | bfd_vma | |
5406 | bfd_mach_o_get_base_address (bfd *abfd) | |
5407 | { | |
5408 | bfd_mach_o_data_struct *mdata; | |
c9ffd2ea | 5409 | bfd_mach_o_load_command *cmd; |
3cc27770 TG |
5410 | |
5411 | /* Check for Mach-O. */ | |
5412 | if (!bfd_mach_o_valid (abfd)) | |
5413 | return 0; | |
5414 | mdata = bfd_mach_o_get_data (abfd); | |
5415 | ||
c9ffd2ea | 5416 | for (cmd = mdata->first_command; cmd != NULL; cmd = cmd->next) |
3cc27770 | 5417 | { |
3cc27770 TG |
5418 | if ((cmd->type == BFD_MACH_O_LC_SEGMENT |
5419 | || cmd->type == BFD_MACH_O_LC_SEGMENT_64)) | |
5420 | { | |
5421 | struct bfd_mach_o_segment_command *segcmd = &cmd->command.segment; | |
5422 | ||
5423 | if (segcmd->initprot != 0) | |
5424 | return segcmd->vmaddr; | |
5425 | } | |
5426 | } | |
5427 | return 0; | |
5428 | } | |
5429 | ||
3af9a47b NC |
5430 | typedef struct mach_o_fat_archentry |
5431 | { | |
5432 | unsigned long cputype; | |
5433 | unsigned long cpusubtype; | |
5434 | unsigned long offset; | |
5435 | unsigned long size; | |
5436 | unsigned long align; | |
3af9a47b NC |
5437 | } mach_o_fat_archentry; |
5438 | ||
5439 | typedef struct mach_o_fat_data_struct | |
5440 | { | |
5441 | unsigned long magic; | |
5442 | unsigned long nfat_arch; | |
5443 | mach_o_fat_archentry *archentries; | |
5444 | } mach_o_fat_data_struct; | |
5445 | ||
5446 | const bfd_target * | |
47daa70f | 5447 | bfd_mach_o_fat_archive_p (bfd *abfd) |
3af9a47b | 5448 | { |
e84d6fca | 5449 | mach_o_fat_data_struct *adata = NULL; |
46d1c23b | 5450 | struct mach_o_fat_header_external hdr; |
3af9a47b | 5451 | unsigned long i; |
1f4361a7 | 5452 | size_t amt; |
3af9a47b | 5453 | |
c2f09c75 | 5454 | if (bfd_seek (abfd, 0, SEEK_SET) != 0 |
46d1c23b | 5455 | || bfd_bread (&hdr, sizeof (hdr), abfd) != sizeof (hdr)) |
e84d6fca | 5456 | goto error; |
3af9a47b | 5457 | |
116c20d2 | 5458 | adata = bfd_alloc (abfd, sizeof (mach_o_fat_data_struct)); |
3af9a47b | 5459 | if (adata == NULL) |
e84d6fca | 5460 | goto error; |
a95a4550 | 5461 | |
46d1c23b TG |
5462 | adata->magic = bfd_getb32 (hdr.magic); |
5463 | adata->nfat_arch = bfd_getb32 (hdr.nfat_arch); | |
3af9a47b | 5464 | if (adata->magic != 0xcafebabe) |
e84d6fca | 5465 | goto error; |
27cc28f9 AS |
5466 | /* Avoid matching Java bytecode files, which have the same magic number. |
5467 | In the Java bytecode file format this field contains the JVM version, | |
5468 | which starts at 43.0. */ | |
5469 | if (adata->nfat_arch > 30) | |
5470 | goto error; | |
3af9a47b | 5471 | |
1f4361a7 AM |
5472 | if (_bfd_mul_overflow (adata->nfat_arch, |
5473 | sizeof (mach_o_fat_archentry), &amt)) | |
5474 | { | |
5475 | bfd_set_error (bfd_error_file_too_big); | |
5476 | goto error; | |
5477 | } | |
5478 | adata->archentries = bfd_alloc (abfd, amt); | |
3af9a47b | 5479 | if (adata->archentries == NULL) |
e84d6fca | 5480 | goto error; |
3af9a47b NC |
5481 | |
5482 | for (i = 0; i < adata->nfat_arch; i++) | |
5483 | { | |
46d1c23b TG |
5484 | struct mach_o_fat_arch_external arch; |
5485 | if (bfd_bread (&arch, sizeof (arch), abfd) != sizeof (arch)) | |
e84d6fca | 5486 | goto error; |
46d1c23b TG |
5487 | adata->archentries[i].cputype = bfd_getb32 (arch.cputype); |
5488 | adata->archentries[i].cpusubtype = bfd_getb32 (arch.cpusubtype); | |
5489 | adata->archentries[i].offset = bfd_getb32 (arch.offset); | |
5490 | adata->archentries[i].size = bfd_getb32 (arch.size); | |
5491 | adata->archentries[i].align = bfd_getb32 (arch.align); | |
3af9a47b NC |
5492 | } |
5493 | ||
5494 | abfd->tdata.mach_o_fat_data = adata; | |
64d29018 | 5495 | |
3af9a47b | 5496 | return abfd->xvec; |
e84d6fca AM |
5497 | |
5498 | error: | |
5499 | if (adata != NULL) | |
5500 | bfd_release (abfd, adata); | |
5501 | bfd_set_error (bfd_error_wrong_format); | |
5502 | return NULL; | |
3af9a47b NC |
5503 | } |
5504 | ||
a4e241ca TG |
5505 | /* Set the filename for a fat binary member ABFD, whose bfd architecture is |
5506 | ARCH_TYPE/ARCH_SUBTYPE and corresponding entry in header is ENTRY. | |
5507 | Set arelt_data and origin fields too. */ | |
5508 | ||
90d92a63 | 5509 | static bfd_boolean |
a4e241ca | 5510 | bfd_mach_o_fat_member_init (bfd *abfd, |
07d6d2b8 AM |
5511 | enum bfd_architecture arch_type, |
5512 | unsigned long arch_subtype, | |
5513 | mach_o_fat_archentry *entry) | |
a4e241ca TG |
5514 | { |
5515 | struct areltdata *areltdata; | |
5516 | /* Create the member filename. Use ARCH_NAME. */ | |
5517 | const bfd_arch_info_type *ap = bfd_lookup_arch (arch_type, arch_subtype); | |
90d92a63 | 5518 | char *filename; |
a4e241ca TG |
5519 | |
5520 | if (ap) | |
5521 | { | |
5522 | /* Use the architecture name if known. */ | |
90d92a63 AM |
5523 | filename = bfd_strdup (ap->printable_name); |
5524 | if (filename == NULL) | |
5525 | return FALSE; | |
a4e241ca TG |
5526 | } |
5527 | else | |
5528 | { | |
5529 | /* Forge a uniq id. */ | |
5530 | const size_t namelen = 2 + 8 + 1 + 2 + 8 + 1; | |
90d92a63 AM |
5531 | filename = bfd_malloc (namelen); |
5532 | if (filename == NULL) | |
5533 | return FALSE; | |
5534 | snprintf (filename, namelen, "0x%lx-0x%lx", | |
07d6d2b8 | 5535 | entry->cputype, entry->cpusubtype); |
a4e241ca | 5536 | } |
90d92a63 | 5537 | bfd_set_filename (abfd, filename); |
a4e241ca | 5538 | |
06e7acd7 | 5539 | areltdata = bfd_zmalloc (sizeof (struct areltdata)); |
90d92a63 AM |
5540 | if (areltdata == NULL) |
5541 | return FALSE; | |
a4e241ca TG |
5542 | areltdata->parsed_size = entry->size; |
5543 | abfd->arelt_data = areltdata; | |
5544 | abfd->iostream = NULL; | |
5545 | abfd->origin = entry->offset; | |
90d92a63 | 5546 | return TRUE; |
a4e241ca TG |
5547 | } |
5548 | ||
3af9a47b | 5549 | bfd * |
47daa70f | 5550 | bfd_mach_o_fat_openr_next_archived_file (bfd *archive, bfd *prev) |
3af9a47b | 5551 | { |
e84d6fca | 5552 | mach_o_fat_data_struct *adata; |
3af9a47b NC |
5553 | mach_o_fat_archentry *entry = NULL; |
5554 | unsigned long i; | |
15e1c58a | 5555 | bfd *nbfd; |
15e1c58a TG |
5556 | enum bfd_architecture arch_type; |
5557 | unsigned long arch_subtype; | |
3af9a47b | 5558 | |
e84d6fca | 5559 | adata = (mach_o_fat_data_struct *) archive->tdata.mach_o_fat_data; |
3af9a47b NC |
5560 | BFD_ASSERT (adata != NULL); |
5561 | ||
5562 | /* Find index of previous entry. */ | |
5563 | if (prev == NULL) | |
a4e241ca TG |
5564 | { |
5565 | /* Start at first one. */ | |
5566 | i = 0; | |
5567 | } | |
3af9a47b NC |
5568 | else |
5569 | { | |
a4e241ca | 5570 | /* Find index of PREV. */ |
3af9a47b NC |
5571 | for (i = 0; i < adata->nfat_arch; i++) |
5572 | { | |
15e1c58a | 5573 | if (adata->archentries[i].offset == prev->origin) |
3af9a47b NC |
5574 | break; |
5575 | } | |
5576 | ||
5577 | if (i == adata->nfat_arch) | |
5578 | { | |
5579 | /* Not found. */ | |
5580 | bfd_set_error (bfd_error_bad_value); | |
a95a4550 | 5581 | return NULL; |
3af9a47b | 5582 | } |
a4e241ca TG |
5583 | |
5584 | /* Get next entry. */ | |
5585 | i++; | |
5586 | } | |
a95a4550 | 5587 | |
3af9a47b NC |
5588 | if (i >= adata->nfat_arch) |
5589 | { | |
5590 | bfd_set_error (bfd_error_no_more_archived_files); | |
5591 | return NULL; | |
5592 | } | |
5593 | ||
5594 | entry = &adata->archentries[i]; | |
15e1c58a TG |
5595 | nbfd = _bfd_new_bfd_contained_in (archive); |
5596 | if (nbfd == NULL) | |
5597 | return NULL; | |
5598 | ||
15e1c58a TG |
5599 | bfd_mach_o_convert_architecture (entry->cputype, entry->cpusubtype, |
5600 | &arch_type, &arch_subtype); | |
846b9259 | 5601 | |
90d92a63 AM |
5602 | if (!bfd_mach_o_fat_member_init (nbfd, arch_type, arch_subtype, entry)) |
5603 | { | |
5604 | bfd_close (nbfd); | |
5605 | return NULL; | |
5606 | } | |
a4e241ca | 5607 | |
846b9259 | 5608 | bfd_set_arch_mach (nbfd, arch_type, arch_subtype); |
3af9a47b | 5609 | |
15e1c58a | 5610 | return nbfd; |
3af9a47b NC |
5611 | } |
5612 | ||
15bbba8d TG |
5613 | /* Analogous to stat call. */ |
5614 | ||
5615 | static int | |
5616 | bfd_mach_o_fat_stat_arch_elt (bfd *abfd, struct stat *buf) | |
5617 | { | |
5618 | if (abfd->arelt_data == NULL) | |
5619 | { | |
5620 | bfd_set_error (bfd_error_invalid_operation); | |
5621 | return -1; | |
5622 | } | |
5623 | ||
5624 | buf->st_mtime = 0; | |
5625 | buf->st_uid = 0; | |
5626 | buf->st_gid = 0; | |
5627 | buf->st_mode = 0644; | |
5628 | buf->st_size = arelt_size (abfd); | |
5629 | ||
5630 | return 0; | |
5631 | } | |
5632 | ||
846b9259 TG |
5633 | /* If ABFD format is FORMAT and architecture is ARCH, return it. |
5634 | If ABFD is a fat image containing a member that corresponds to FORMAT | |
5635 | and ARCH, returns it. | |
5636 | In other case, returns NULL. | |
5637 | This function allows transparent uses of fat images. */ | |
a4e241ca | 5638 | |
846b9259 TG |
5639 | bfd * |
5640 | bfd_mach_o_fat_extract (bfd *abfd, | |
5641 | bfd_format format, | |
5642 | const bfd_arch_info_type *arch) | |
5643 | { | |
5644 | bfd *res; | |
5645 | mach_o_fat_data_struct *adata; | |
5646 | unsigned int i; | |
5647 | ||
5648 | if (bfd_check_format (abfd, format)) | |
5649 | { | |
5650 | if (bfd_get_arch_info (abfd) == arch) | |
5651 | return abfd; | |
5652 | return NULL; | |
5653 | } | |
5654 | if (!bfd_check_format (abfd, bfd_archive) | |
5655 | || abfd->xvec != &mach_o_fat_vec) | |
5656 | return NULL; | |
c2f09c75 | 5657 | |
846b9259 TG |
5658 | /* This is a Mach-O fat image. */ |
5659 | adata = (mach_o_fat_data_struct *) abfd->tdata.mach_o_fat_data; | |
5660 | BFD_ASSERT (adata != NULL); | |
5661 | ||
5662 | for (i = 0; i < adata->nfat_arch; i++) | |
5663 | { | |
5664 | struct mach_o_fat_archentry *e = &adata->archentries[i]; | |
5665 | enum bfd_architecture cpu_type; | |
5666 | unsigned long cpu_subtype; | |
5667 | ||
5668 | bfd_mach_o_convert_architecture (e->cputype, e->cpusubtype, | |
5669 | &cpu_type, &cpu_subtype); | |
5670 | if (cpu_type != arch->arch || cpu_subtype != arch->mach) | |
5671 | continue; | |
5672 | ||
5673 | /* The architecture is found. */ | |
5674 | res = _bfd_new_bfd_contained_in (abfd); | |
5675 | if (res == NULL) | |
5676 | return NULL; | |
5677 | ||
90d92a63 AM |
5678 | if (bfd_mach_o_fat_member_init (res, cpu_type, cpu_subtype, e) |
5679 | && bfd_check_format (res, format)) | |
846b9259 TG |
5680 | { |
5681 | BFD_ASSERT (bfd_get_arch_info (res) == arch); | |
5682 | return res; | |
5683 | } | |
5684 | bfd_close (res); | |
5685 | return NULL; | |
5686 | } | |
5687 | ||
5688 | return NULL; | |
5689 | } | |
5690 | ||
eac61af6 TT |
5691 | static bfd_boolean |
5692 | bfd_mach_o_fat_close_and_cleanup (bfd *abfd) | |
5693 | { | |
5694 | _bfd_unlink_from_archive_parent (abfd); | |
5695 | return TRUE; | |
5696 | } | |
5697 | ||
3af9a47b | 5698 | int |
116c20d2 NC |
5699 | bfd_mach_o_lookup_command (bfd *abfd, |
5700 | bfd_mach_o_load_command_type type, | |
5701 | bfd_mach_o_load_command **mcommand) | |
3af9a47b | 5702 | { |
c9ffd2ea TG |
5703 | struct mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
5704 | struct bfd_mach_o_load_command *cmd; | |
5705 | unsigned int num; | |
3af9a47b | 5706 | |
c9ffd2ea | 5707 | BFD_ASSERT (mdata != NULL); |
3af9a47b NC |
5708 | BFD_ASSERT (mcommand != NULL); |
5709 | ||
5710 | num = 0; | |
c9ffd2ea | 5711 | for (cmd = mdata->first_command; cmd != NULL; cmd = cmd->next) |
3af9a47b | 5712 | { |
3af9a47b NC |
5713 | if (cmd->type != type) |
5714 | continue; | |
5715 | ||
5716 | if (num == 0) | |
c9ffd2ea | 5717 | *mcommand = cmd; |
3af9a47b NC |
5718 | num++; |
5719 | } | |
5720 | ||
3af9a47b NC |
5721 | return num; |
5722 | } | |
5723 | ||
5724 | unsigned long | |
116c20d2 | 5725 | bfd_mach_o_stack_addr (enum bfd_mach_o_cpu_type type) |
3af9a47b NC |
5726 | { |
5727 | switch (type) | |
5728 | { | |
5729 | case BFD_MACH_O_CPU_TYPE_MC680x0: | |
5730 | return 0x04000000; | |
3af9a47b NC |
5731 | case BFD_MACH_O_CPU_TYPE_POWERPC: |
5732 | return 0xc0000000; | |
5733 | case BFD_MACH_O_CPU_TYPE_I386: | |
5734 | return 0xc0000000; | |
5735 | case BFD_MACH_O_CPU_TYPE_SPARC: | |
5736 | return 0xf0000000; | |
3af9a47b | 5737 | case BFD_MACH_O_CPU_TYPE_HPPA: |
e84d6fca | 5738 | return 0xc0000000 - 0x04000000; |
3af9a47b NC |
5739 | default: |
5740 | return 0; | |
5741 | } | |
5742 | } | |
5743 | ||
ab76eeaf IS |
5744 | /* The following two tables should be kept, as far as possible, in order of |
5745 | most frequently used entries to optimize their use from gas. */ | |
5746 | ||
c5012cd8 | 5747 | const bfd_mach_o_xlat_name bfd_mach_o_section_type_name[] = |
046b007d TG |
5748 | { |
5749 | { "regular", BFD_MACH_O_S_REGULAR}, | |
ab76eeaf | 5750 | { "coalesced", BFD_MACH_O_S_COALESCED}, |
046b007d TG |
5751 | { "zerofill", BFD_MACH_O_S_ZEROFILL}, |
5752 | { "cstring_literals", BFD_MACH_O_S_CSTRING_LITERALS}, | |
5753 | { "4byte_literals", BFD_MACH_O_S_4BYTE_LITERALS}, | |
5754 | { "8byte_literals", BFD_MACH_O_S_8BYTE_LITERALS}, | |
ab76eeaf | 5755 | { "16byte_literals", BFD_MACH_O_S_16BYTE_LITERALS}, |
046b007d | 5756 | { "literal_pointers", BFD_MACH_O_S_LITERAL_POINTERS}, |
046b007d TG |
5757 | { "mod_init_func_pointers", BFD_MACH_O_S_MOD_INIT_FUNC_POINTERS}, |
5758 | { "mod_fini_func_pointers", BFD_MACH_O_S_MOD_FINI_FUNC_POINTERS}, | |
046b007d TG |
5759 | { "gb_zerofill", BFD_MACH_O_S_GB_ZEROFILL}, |
5760 | { "interposing", BFD_MACH_O_S_INTERPOSING}, | |
046b007d | 5761 | { "dtrace_dof", BFD_MACH_O_S_DTRACE_DOF}, |
ab76eeaf IS |
5762 | { "non_lazy_symbol_pointers", BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS}, |
5763 | { "lazy_symbol_pointers", BFD_MACH_O_S_LAZY_SYMBOL_POINTERS}, | |
a4551119 | 5764 | { "symbol_stubs", BFD_MACH_O_S_SYMBOL_STUBS}, |
046b007d TG |
5765 | { "lazy_dylib_symbol_pointers", BFD_MACH_O_S_LAZY_DYLIB_SYMBOL_POINTERS}, |
5766 | { NULL, 0} | |
5767 | }; | |
5768 | ||
c5012cd8 | 5769 | const bfd_mach_o_xlat_name bfd_mach_o_section_attribute_name[] = |
046b007d | 5770 | { |
ab76eeaf IS |
5771 | { "pure_instructions", BFD_MACH_O_S_ATTR_PURE_INSTRUCTIONS }, |
5772 | { "some_instructions", BFD_MACH_O_S_ATTR_SOME_INSTRUCTIONS }, | |
046b007d TG |
5773 | { "loc_reloc", BFD_MACH_O_S_ATTR_LOC_RELOC }, |
5774 | { "ext_reloc", BFD_MACH_O_S_ATTR_EXT_RELOC }, | |
046b007d | 5775 | { "debug", BFD_MACH_O_S_ATTR_DEBUG }, |
046b007d TG |
5776 | { "live_support", BFD_MACH_O_S_ATTR_LIVE_SUPPORT }, |
5777 | { "no_dead_strip", BFD_MACH_O_S_ATTR_NO_DEAD_STRIP }, | |
5778 | { "strip_static_syms", BFD_MACH_O_S_ATTR_STRIP_STATIC_SYMS }, | |
5779 | { "no_toc", BFD_MACH_O_S_ATTR_NO_TOC }, | |
a4551119 | 5780 | { "self_modifying_code", BFD_MACH_O_S_SELF_MODIFYING_CODE }, |
ab76eeaf | 5781 | { "modifying_code", BFD_MACH_O_S_SELF_MODIFYING_CODE }, |
046b007d TG |
5782 | { NULL, 0} |
5783 | }; | |
5784 | ||
a4551119 | 5785 | /* Get the section type from NAME. Return 256 if NAME is unknown. */ |
53d58d96 TG |
5786 | |
5787 | unsigned int | |
ab76eeaf | 5788 | bfd_mach_o_get_section_type_from_name (bfd *abfd, const char *name) |
53d58d96 | 5789 | { |
afbb9e17 | 5790 | const bfd_mach_o_xlat_name *x; |
ab76eeaf | 5791 | bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd); |
53d58d96 TG |
5792 | |
5793 | for (x = bfd_mach_o_section_type_name; x->name; x++) | |
5794 | if (strcmp (x->name, name) == 0) | |
ab76eeaf IS |
5795 | { |
5796 | /* We found it... does the target support it? */ | |
5797 | if (bed->bfd_mach_o_section_type_valid_for_target == NULL | |
5798 | || bed->bfd_mach_o_section_type_valid_for_target (x->val)) | |
5799 | return x->val; /* OK. */ | |
5800 | else | |
5801 | break; /* Not supported. */ | |
5802 | } | |
a4551119 TG |
5803 | /* Maximum section ID = 0xff. */ |
5804 | return 256; | |
53d58d96 TG |
5805 | } |
5806 | ||
5807 | /* Get the section attribute from NAME. Return -1 if NAME is unknown. */ | |
5808 | ||
5809 | unsigned int | |
5810 | bfd_mach_o_get_section_attribute_from_name (const char *name) | |
5811 | { | |
afbb9e17 | 5812 | const bfd_mach_o_xlat_name *x; |
53d58d96 TG |
5813 | |
5814 | for (x = bfd_mach_o_section_attribute_name; x->name; x++) | |
5815 | if (strcmp (x->name, name) == 0) | |
5816 | return x->val; | |
5817 | return (unsigned int)-1; | |
5818 | } | |
5819 | ||
3af9a47b | 5820 | int |
116c20d2 NC |
5821 | bfd_mach_o_core_fetch_environment (bfd *abfd, |
5822 | unsigned char **rbuf, | |
5823 | unsigned int *rlen) | |
3af9a47b | 5824 | { |
046b007d | 5825 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); |
3af9a47b | 5826 | unsigned long stackaddr = bfd_mach_o_stack_addr (mdata->header.cputype); |
c9ffd2ea | 5827 | bfd_mach_o_load_command *cmd; |
3af9a47b | 5828 | |
c9ffd2ea | 5829 | for (cmd = mdata->first_command; cmd != NULL; cmd = cmd->next) |
3af9a47b | 5830 | { |
c9ffd2ea | 5831 | bfd_mach_o_segment_command *seg; |
3af9a47b | 5832 | |
c9ffd2ea | 5833 | if (cmd->type != BFD_MACH_O_LC_SEGMENT) |
3af9a47b NC |
5834 | continue; |
5835 | ||
c9ffd2ea | 5836 | seg = &cmd->command.segment; |
3af9a47b NC |
5837 | |
5838 | if ((seg->vmaddr + seg->vmsize) == stackaddr) | |
5839 | { | |
5840 | unsigned long start = seg->fileoff; | |
5841 | unsigned long end = seg->fileoff + seg->filesize; | |
5842 | unsigned char *buf = bfd_malloc (1024); | |
5843 | unsigned long size = 1024; | |
5844 | ||
7a0fb7be NC |
5845 | if (buf == NULL) |
5846 | return -1; | |
3af9a47b NC |
5847 | for (;;) |
5848 | { | |
5849 | bfd_size_type nread = 0; | |
5850 | unsigned long offset; | |
5851 | int found_nonnull = 0; | |
5852 | ||
5853 | if (size > (end - start)) | |
5854 | size = (end - start); | |
5855 | ||
515ef31d NC |
5856 | buf = bfd_realloc_or_free (buf, size); |
5857 | if (buf == NULL) | |
5858 | return -1; | |
c2f09c75 TG |
5859 | |
5860 | if (bfd_seek (abfd, end - size, SEEK_SET) != 0) | |
07d6d2b8 AM |
5861 | { |
5862 | free (buf); | |
5863 | return -1; | |
5864 | } | |
c2f09c75 | 5865 | |
3af9a47b | 5866 | nread = bfd_bread (buf, size, abfd); |
a95a4550 | 5867 | |
3af9a47b | 5868 | if (nread != size) |
515ef31d NC |
5869 | { |
5870 | free (buf); | |
5871 | return -1; | |
5872 | } | |
a95a4550 | 5873 | |
3af9a47b NC |
5874 | for (offset = 4; offset <= size; offset += 4) |
5875 | { | |
e84d6fca | 5876 | unsigned long val; |
3af9a47b | 5877 | |
e84d6fca | 5878 | val = *((unsigned long *) (buf + size - offset)); |
3af9a47b NC |
5879 | if (! found_nonnull) |
5880 | { | |
5881 | if (val != 0) | |
5882 | found_nonnull = 1; | |
5883 | } | |
5884 | else if (val == 0x0) | |
5885 | { | |
e84d6fca AM |
5886 | unsigned long bottom; |
5887 | unsigned long top; | |
3af9a47b | 5888 | |
e84d6fca AM |
5889 | bottom = seg->fileoff + seg->filesize - offset; |
5890 | top = seg->fileoff + seg->filesize - 4; | |
3af9a47b | 5891 | *rbuf = bfd_malloc (top - bottom); |
7a0fb7be NC |
5892 | if (*rbuf == NULL) |
5893 | return -1; | |
3af9a47b NC |
5894 | *rlen = top - bottom; |
5895 | ||
5896 | memcpy (*rbuf, buf + size - *rlen, *rlen); | |
515ef31d | 5897 | free (buf); |
3af9a47b NC |
5898 | return 0; |
5899 | } | |
5900 | } | |
5901 | ||
5902 | if (size == (end - start)) | |
5903 | break; | |
5904 | ||
5905 | size *= 2; | |
5906 | } | |
515ef31d NC |
5907 | |
5908 | free (buf); | |
3af9a47b NC |
5909 | } |
5910 | } | |
5911 | ||
5912 | return -1; | |
5913 | } | |
5914 | ||
5915 | char * | |
116c20d2 | 5916 | bfd_mach_o_core_file_failing_command (bfd *abfd) |
3af9a47b NC |
5917 | { |
5918 | unsigned char *buf = NULL; | |
5919 | unsigned int len = 0; | |
452216ab | 5920 | int ret; |
3af9a47b NC |
5921 | |
5922 | ret = bfd_mach_o_core_fetch_environment (abfd, &buf, &len); | |
5923 | if (ret < 0) | |
5924 | return NULL; | |
5925 | ||
f075ee0c | 5926 | return (char *) buf; |
3af9a47b NC |
5927 | } |
5928 | ||
5929 | int | |
116c20d2 | 5930 | bfd_mach_o_core_file_failing_signal (bfd *abfd ATTRIBUTE_UNUSED) |
3af9a47b NC |
5931 | { |
5932 | return 0; | |
5933 | } | |
5934 | ||
2ca7691a TG |
5935 | static bfd_mach_o_uuid_command * |
5936 | bfd_mach_o_lookup_uuid_command (bfd *abfd) | |
5937 | { | |
09fe2662 | 5938 | bfd_mach_o_load_command *uuid_cmd = NULL; |
2ca7691a | 5939 | int ncmd = bfd_mach_o_lookup_command (abfd, BFD_MACH_O_LC_UUID, &uuid_cmd); |
09fe2662 | 5940 | if (ncmd != 1 || uuid_cmd == NULL) |
2ca7691a TG |
5941 | return FALSE; |
5942 | return &uuid_cmd->command.uuid; | |
5943 | } | |
5944 | ||
5945 | /* Return true if ABFD is a dSYM file and its UUID matches UUID_CMD. */ | |
5946 | ||
5947 | static bfd_boolean | |
5948 | bfd_mach_o_dsym_for_uuid_p (bfd *abfd, const bfd_mach_o_uuid_command *uuid_cmd) | |
5949 | { | |
5950 | bfd_mach_o_uuid_command *dsym_uuid_cmd; | |
5951 | ||
5952 | BFD_ASSERT (abfd); | |
5953 | BFD_ASSERT (uuid_cmd); | |
5954 | ||
5955 | if (!bfd_check_format (abfd, bfd_object)) | |
5956 | return FALSE; | |
5957 | ||
5958 | if (bfd_get_flavour (abfd) != bfd_target_mach_o_flavour | |
5959 | || bfd_mach_o_get_data (abfd) == NULL | |
5960 | || bfd_mach_o_get_data (abfd)->header.filetype != BFD_MACH_O_MH_DSYM) | |
5961 | return FALSE; | |
5962 | ||
5963 | dsym_uuid_cmd = bfd_mach_o_lookup_uuid_command (abfd); | |
5964 | if (dsym_uuid_cmd == NULL) | |
5965 | return FALSE; | |
5966 | ||
5967 | if (memcmp (uuid_cmd->uuid, dsym_uuid_cmd->uuid, | |
07d6d2b8 | 5968 | sizeof (uuid_cmd->uuid)) != 0) |
2ca7691a TG |
5969 | return FALSE; |
5970 | ||
5971 | return TRUE; | |
5972 | } | |
5973 | ||
5974 | /* Find a BFD in DSYM_FILENAME which matches ARCH and UUID_CMD. | |
5975 | The caller is responsible for closing the returned BFD object and | |
5976 | its my_archive if the returned BFD is in a fat dSYM. */ | |
5977 | ||
5978 | static bfd * | |
5979 | bfd_mach_o_find_dsym (const char *dsym_filename, | |
07d6d2b8 AM |
5980 | const bfd_mach_o_uuid_command *uuid_cmd, |
5981 | const bfd_arch_info_type *arch) | |
2ca7691a TG |
5982 | { |
5983 | bfd *base_dsym_bfd, *dsym_bfd; | |
5984 | ||
5985 | BFD_ASSERT (uuid_cmd); | |
5986 | ||
5987 | base_dsym_bfd = bfd_openr (dsym_filename, NULL); | |
5988 | if (base_dsym_bfd == NULL) | |
5989 | return NULL; | |
5990 | ||
5991 | dsym_bfd = bfd_mach_o_fat_extract (base_dsym_bfd, bfd_object, arch); | |
5992 | if (bfd_mach_o_dsym_for_uuid_p (dsym_bfd, uuid_cmd)) | |
5993 | return dsym_bfd; | |
5994 | ||
5995 | bfd_close (dsym_bfd); | |
5996 | if (base_dsym_bfd != dsym_bfd) | |
5997 | bfd_close (base_dsym_bfd); | |
5998 | ||
5999 | return NULL; | |
6000 | } | |
6001 | ||
6002 | /* Return a BFD created from a dSYM file for ABFD. | |
6003 | The caller is responsible for closing the returned BFD object, its | |
6004 | filename, and its my_archive if the returned BFD is in a fat dSYM. */ | |
6005 | ||
6006 | static bfd * | |
6007 | bfd_mach_o_follow_dsym (bfd *abfd) | |
6008 | { | |
6009 | char *dsym_filename; | |
6010 | bfd_mach_o_uuid_command *uuid_cmd; | |
6011 | bfd *dsym_bfd, *base_bfd = abfd; | |
6012 | const char *base_basename; | |
6013 | ||
6014 | if (abfd == NULL || bfd_get_flavour (abfd) != bfd_target_mach_o_flavour) | |
6015 | return NULL; | |
6016 | ||
b0cffb47 | 6017 | if (abfd->my_archive && !bfd_is_thin_archive (abfd->my_archive)) |
2ca7691a TG |
6018 | base_bfd = abfd->my_archive; |
6019 | /* BFD may have been opened from a stream. */ | |
6020 | if (base_bfd->filename == NULL) | |
6021 | { | |
6022 | bfd_set_error (bfd_error_invalid_operation); | |
6023 | return NULL; | |
6024 | } | |
6025 | base_basename = lbasename (base_bfd->filename); | |
6026 | ||
6027 | uuid_cmd = bfd_mach_o_lookup_uuid_command (abfd); | |
6028 | if (uuid_cmd == NULL) | |
6029 | return NULL; | |
6030 | ||
6031 | /* TODO: We assume the DWARF file has the same as the binary's. | |
6032 | It seems apple's GDB checks all files in the dSYM bundle directory. | |
6033 | http://opensource.apple.com/source/gdb/gdb-1708/src/gdb/macosx/macosx-tdep.c | |
6034 | */ | |
6035 | dsym_filename = (char *)bfd_malloc (strlen (base_bfd->filename) | |
07d6d2b8 AM |
6036 | + strlen (dsym_subdir) + 1 |
6037 | + strlen (base_basename) + 1); | |
7a0fb7be NC |
6038 | if (dsym_filename == NULL) |
6039 | return NULL; | |
6040 | ||
2ca7691a | 6041 | sprintf (dsym_filename, "%s%s/%s", |
07d6d2b8 | 6042 | base_bfd->filename, dsym_subdir, base_basename); |
2ca7691a TG |
6043 | |
6044 | dsym_bfd = bfd_mach_o_find_dsym (dsym_filename, uuid_cmd, | |
07d6d2b8 | 6045 | bfd_get_arch_info (abfd)); |
2ca7691a TG |
6046 | if (dsym_bfd == NULL) |
6047 | free (dsym_filename); | |
6048 | ||
6049 | return dsym_bfd; | |
6050 | } | |
6051 | ||
d9071b0c TG |
6052 | bfd_boolean |
6053 | bfd_mach_o_find_nearest_line (bfd *abfd, | |
d9071b0c | 6054 | asymbol **symbols, |
fb167eb2 | 6055 | asection *section, |
d9071b0c TG |
6056 | bfd_vma offset, |
6057 | const char **filename_ptr, | |
6058 | const char **functionname_ptr, | |
fb167eb2 AM |
6059 | unsigned int *line_ptr, |
6060 | unsigned int *discriminator_ptr) | |
d9071b0c TG |
6061 | { |
6062 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
2ca7691a | 6063 | if (mdata == NULL) |
d9071b0c | 6064 | return FALSE; |
2ca7691a TG |
6065 | switch (mdata->header.filetype) |
6066 | { | |
6067 | case BFD_MACH_O_MH_OBJECT: | |
6068 | break; | |
6069 | case BFD_MACH_O_MH_EXECUTE: | |
6070 | case BFD_MACH_O_MH_DYLIB: | |
6071 | case BFD_MACH_O_MH_BUNDLE: | |
6072 | case BFD_MACH_O_MH_KEXT_BUNDLE: | |
6073 | if (mdata->dwarf2_find_line_info == NULL) | |
07d6d2b8 AM |
6074 | { |
6075 | mdata->dsym_bfd = bfd_mach_o_follow_dsym (abfd); | |
6076 | /* When we couldn't find dSYM for this binary, we look for | |
6077 | the debug information in the binary itself. In this way, | |
6078 | we won't try finding separated dSYM again because | |
6079 | mdata->dwarf2_find_line_info will be filled. */ | |
6080 | if (! mdata->dsym_bfd) | |
6081 | break; | |
6082 | if (! _bfd_dwarf2_slurp_debug_info (abfd, mdata->dsym_bfd, | |
6083 | dwarf_debug_sections, symbols, | |
6084 | &mdata->dwarf2_find_line_info, | |
93ee1e36 | 6085 | FALSE)) |
07d6d2b8 AM |
6086 | return FALSE; |
6087 | } | |
2ca7691a TG |
6088 | break; |
6089 | default: | |
6090 | return FALSE; | |
6091 | } | |
fb167eb2 AM |
6092 | return _bfd_dwarf2_find_nearest_line (abfd, symbols, NULL, section, offset, |
6093 | filename_ptr, functionname_ptr, | |
6094 | line_ptr, discriminator_ptr, | |
9defd221 | 6095 | dwarf_debug_sections, |
fb167eb2 | 6096 | &mdata->dwarf2_find_line_info); |
d9071b0c TG |
6097 | } |
6098 | ||
6099 | bfd_boolean | |
6100 | bfd_mach_o_close_and_cleanup (bfd *abfd) | |
6101 | { | |
6102 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
6103 | if (bfd_get_format (abfd) == bfd_object && mdata != NULL) | |
4434114c TG |
6104 | { |
6105 | _bfd_dwarf2_cleanup_debug_info (abfd, &mdata->dwarf2_find_line_info); | |
6106 | bfd_mach_o_free_cached_info (abfd); | |
2ca7691a | 6107 | if (mdata->dsym_bfd != NULL) |
07d6d2b8 AM |
6108 | { |
6109 | bfd *fat_bfd = mdata->dsym_bfd->my_archive; | |
cf466c2a NC |
6110 | #if 0 |
6111 | /* FIXME: PR 19435: This calculation to find the memory allocated by | |
6112 | bfd_mach_o_follow_dsym for the filename does not always end up | |
6113 | selecting the correct pointer. Unfortunately this problem is | |
6114 | very hard to reproduce on a non Mach-O native system, so until it | |
6115 | can be traced and fixed on such a system, this code will remain | |
6116 | commented out. This does mean that there will be a memory leak, | |
6117 | but it is small, and happens when we are closing down, so it | |
c244074c | 6118 | should not matter too much. */ |
07d6d2b8 AM |
6119 | char *dsym_filename = (char *)(fat_bfd |
6120 | ? fat_bfd->filename | |
6121 | : mdata->dsym_bfd->filename); | |
cf466c2a | 6122 | #endif |
07d6d2b8 AM |
6123 | bfd_close (mdata->dsym_bfd); |
6124 | mdata->dsym_bfd = NULL; | |
6125 | if (fat_bfd) | |
6126 | bfd_close (fat_bfd); | |
cf466c2a | 6127 | #if 0 |
07d6d2b8 | 6128 | free (dsym_filename); |
cf466c2a | 6129 | #endif |
07d6d2b8 | 6130 | } |
4434114c | 6131 | } |
dff55db0 | 6132 | |
d9071b0c TG |
6133 | return _bfd_generic_close_and_cleanup (abfd); |
6134 | } | |
6135 | ||
c6643fcc NC |
6136 | bfd_boolean |
6137 | bfd_mach_o_free_cached_info (bfd *abfd) | |
dff55db0 TG |
6138 | { |
6139 | bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd); | |
6140 | asection *asect; | |
6141 | free (mdata->dyn_reloc_cache); | |
6142 | mdata->dyn_reloc_cache = NULL; | |
6143 | for (asect = abfd->sections; asect != NULL; asect = asect->next) | |
6144 | { | |
6145 | free (asect->relocation); | |
6146 | asect->relocation = NULL; | |
6147 | } | |
6148 | ||
6149 | return TRUE; | |
6150 | } | |
6151 | ||
68ffbac6 | 6152 | #define bfd_mach_o_bfd_reloc_type_lookup _bfd_norelocs_bfd_reloc_type_lookup |
92bc0e80 TG |
6153 | #define bfd_mach_o_bfd_reloc_name_lookup _bfd_norelocs_bfd_reloc_name_lookup |
6154 | ||
bcb51645 | 6155 | #define bfd_mach_o_canonicalize_one_reloc NULL |
92bc0e80 | 6156 | #define bfd_mach_o_swap_reloc_out NULL |
b32e07d7 | 6157 | #define bfd_mach_o_print_thread NULL |
a4551119 | 6158 | #define bfd_mach_o_tgt_seg_table NULL |
ab76eeaf | 6159 | #define bfd_mach_o_section_type_valid_for_tgt NULL |
92bc0e80 | 6160 | |
07d6d2b8 AM |
6161 | #define TARGET_NAME mach_o_be_vec |
6162 | #define TARGET_STRING "mach-o-be" | |
42fa0891 | 6163 | #define TARGET_ARCHITECTURE bfd_arch_unknown |
4384b284 | 6164 | #define TARGET_PAGESIZE 1 |
07d6d2b8 AM |
6165 | #define TARGET_BIG_ENDIAN 1 |
6166 | #define TARGET_ARCHIVE 0 | |
b93a1992 | 6167 | #define TARGET_PRIORITY 1 |
3af9a47b NC |
6168 | #include "mach-o-target.c" |
6169 | ||
6170 | #undef TARGET_NAME | |
6171 | #undef TARGET_STRING | |
42fa0891 | 6172 | #undef TARGET_ARCHITECTURE |
4384b284 | 6173 | #undef TARGET_PAGESIZE |
3af9a47b NC |
6174 | #undef TARGET_BIG_ENDIAN |
6175 | #undef TARGET_ARCHIVE | |
b93a1992 | 6176 | #undef TARGET_PRIORITY |
3af9a47b | 6177 | |
07d6d2b8 AM |
6178 | #define TARGET_NAME mach_o_le_vec |
6179 | #define TARGET_STRING "mach-o-le" | |
42fa0891 | 6180 | #define TARGET_ARCHITECTURE bfd_arch_unknown |
4384b284 | 6181 | #define TARGET_PAGESIZE 1 |
07d6d2b8 AM |
6182 | #define TARGET_BIG_ENDIAN 0 |
6183 | #define TARGET_ARCHIVE 0 | |
b93a1992 | 6184 | #define TARGET_PRIORITY 1 |
3af9a47b NC |
6185 | |
6186 | #include "mach-o-target.c" | |
6187 | ||
6188 | #undef TARGET_NAME | |
6189 | #undef TARGET_STRING | |
42fa0891 | 6190 | #undef TARGET_ARCHITECTURE |
4384b284 | 6191 | #undef TARGET_PAGESIZE |
3af9a47b NC |
6192 | #undef TARGET_BIG_ENDIAN |
6193 | #undef TARGET_ARCHIVE | |
b93a1992 | 6194 | #undef TARGET_PRIORITY |
3af9a47b | 6195 | |
8f95b6e4 | 6196 | /* Not yet handled: creating an archive. */ |
07d6d2b8 | 6197 | #define bfd_mach_o_mkarchive _bfd_noarchive_mkarchive |
8f95b6e4 | 6198 | |
eac61af6 | 6199 | #define bfd_mach_o_close_and_cleanup bfd_mach_o_fat_close_and_cleanup |
47daa70f | 6200 | |
8f95b6e4 | 6201 | /* Not used. */ |
07d6d2b8 | 6202 | #define bfd_mach_o_generic_stat_arch_elt bfd_mach_o_fat_stat_arch_elt |
47daa70f TG |
6203 | #define bfd_mach_o_openr_next_archived_file bfd_mach_o_fat_openr_next_archived_file |
6204 | #define bfd_mach_o_archive_p bfd_mach_o_fat_archive_p | |
8f95b6e4 | 6205 | |
07d6d2b8 AM |
6206 | #define TARGET_NAME mach_o_fat_vec |
6207 | #define TARGET_STRING "mach-o-fat" | |
42fa0891 | 6208 | #define TARGET_ARCHITECTURE bfd_arch_unknown |
4384b284 | 6209 | #define TARGET_PAGESIZE 1 |
07d6d2b8 AM |
6210 | #define TARGET_BIG_ENDIAN 1 |
6211 | #define TARGET_ARCHIVE 1 | |
b93a1992 | 6212 | #define TARGET_PRIORITY 0 |
3af9a47b NC |
6213 | |
6214 | #include "mach-o-target.c" | |
6215 | ||
6216 | #undef TARGET_NAME | |
6217 | #undef TARGET_STRING | |
42fa0891 | 6218 | #undef TARGET_ARCHITECTURE |
4384b284 | 6219 | #undef TARGET_PAGESIZE |
3af9a47b NC |
6220 | #undef TARGET_BIG_ENDIAN |
6221 | #undef TARGET_ARCHIVE | |
b93a1992 | 6222 | #undef TARGET_PRIORITY |