Commit | Line | Data |
---|---|---|
3af9a47b | 1 | /* Mach-O support for BFD. |
515ef31d | 2 | Copyright 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 |
3af9a47b NC |
3 | Free Software Foundation, Inc. |
4 | ||
5 | This file is part of BFD, the Binary File Descriptor library. | |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
cd123cb7 | 9 | the Free Software Foundation; either version 3 of the License, or |
3af9a47b NC |
10 | (at your option) any later version. |
11 | ||
12 | This program is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
a95a4550 | 18 | along with this program; if not, write to the Free Software |
cd123cb7 NC |
19 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
20 | MA 02110-1301, USA. */ | |
3af9a47b | 21 | |
3db64b00 | 22 | #include "sysdep.h" |
3af9a47b NC |
23 | #include "mach-o.h" |
24 | #include "bfd.h" | |
3af9a47b NC |
25 | #include "libbfd.h" |
26 | #include "libiberty.h" | |
15e1c58a | 27 | #include "aout/stab_gnu.h" |
3af9a47b NC |
28 | #include <ctype.h> |
29 | ||
30 | #ifndef BFD_IO_FUNCS | |
31 | #define BFD_IO_FUNCS 0 | |
32 | #endif | |
33 | ||
116c20d2 NC |
34 | #define bfd_mach_o_mkarchive _bfd_noarchive_mkarchive |
35 | #define bfd_mach_o_read_ar_hdr _bfd_noarchive_read_ar_hdr | |
36 | #define bfd_mach_o_slurp_armap _bfd_noarchive_slurp_armap | |
37 | #define bfd_mach_o_slurp_extended_name_table _bfd_noarchive_slurp_extended_name_table | |
38 | #define bfd_mach_o_construct_extended_name_table _bfd_noarchive_construct_extended_name_table | |
39 | #define bfd_mach_o_truncate_arname _bfd_noarchive_truncate_arname | |
40 | #define bfd_mach_o_write_armap _bfd_noarchive_write_armap | |
41 | #define bfd_mach_o_get_elt_at_index _bfd_noarchive_get_elt_at_index | |
42 | #define bfd_mach_o_generic_stat_arch_elt _bfd_noarchive_generic_stat_arch_elt | |
43 | #define bfd_mach_o_update_armap_timestamp _bfd_noarchive_update_armap_timestamp | |
44 | #define bfd_mach_o_close_and_cleanup _bfd_generic_close_and_cleanup | |
45 | #define bfd_mach_o_bfd_free_cached_info _bfd_generic_bfd_free_cached_info | |
46 | #define bfd_mach_o_new_section_hook _bfd_generic_new_section_hook | |
47 | #define bfd_mach_o_get_section_contents_in_window _bfd_generic_get_section_contents_in_window | |
48 | #define bfd_mach_o_bfd_is_local_label_name _bfd_nosymbols_bfd_is_local_label_name | |
49 | #define bfd_mach_o_bfd_is_target_special_symbol ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false) | |
50 | #define bfd_mach_o_bfd_is_local_label_name _bfd_nosymbols_bfd_is_local_label_name | |
51 | #define bfd_mach_o_get_lineno _bfd_nosymbols_get_lineno | |
52 | #define bfd_mach_o_find_nearest_line _bfd_nosymbols_find_nearest_line | |
4ab527b0 | 53 | #define bfd_mach_o_find_inliner_info _bfd_nosymbols_find_inliner_info |
116c20d2 NC |
54 | #define bfd_mach_o_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol |
55 | #define bfd_mach_o_read_minisymbols _bfd_generic_read_minisymbols | |
56 | #define bfd_mach_o_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol | |
3af9a47b | 57 | #define bfd_mach_o_bfd_get_relocated_section_contents bfd_generic_get_relocated_section_contents |
116c20d2 NC |
58 | #define bfd_mach_o_bfd_relax_section bfd_generic_relax_section |
59 | #define bfd_mach_o_bfd_link_hash_table_create _bfd_generic_link_hash_table_create | |
60 | #define bfd_mach_o_bfd_link_hash_table_free _bfd_generic_link_hash_table_free | |
61 | #define bfd_mach_o_bfd_link_add_symbols _bfd_generic_link_add_symbols | |
62 | #define bfd_mach_o_bfd_link_just_syms _bfd_generic_link_just_syms | |
63 | #define bfd_mach_o_bfd_final_link _bfd_generic_final_link | |
64 | #define bfd_mach_o_bfd_link_split_section _bfd_generic_link_split_section | |
65 | #define bfd_mach_o_set_arch_mach bfd_default_set_arch_mach | |
66 | #define bfd_mach_o_bfd_merge_private_bfd_data _bfd_generic_bfd_merge_private_bfd_data | |
67 | #define bfd_mach_o_bfd_set_private_flags _bfd_generic_bfd_set_private_flags | |
116c20d2 NC |
68 | #define bfd_mach_o_get_section_contents _bfd_generic_get_section_contents |
69 | #define bfd_mach_o_set_section_contents _bfd_generic_set_section_contents | |
70 | #define bfd_mach_o_bfd_gc_sections bfd_generic_gc_sections | |
71 | #define bfd_mach_o_bfd_merge_sections bfd_generic_merge_sections | |
72 | #define bfd_mach_o_bfd_is_group_section bfd_generic_is_group_section | |
73 | #define bfd_mach_o_bfd_discard_group bfd_generic_discard_group | |
74 | #define bfd_mach_o_section_already_linked _bfd_generic_section_already_linked | |
75 | #define bfd_mach_o_bfd_copy_private_header_data _bfd_generic_bfd_copy_private_header_data | |
69d246d9 | 76 | #define bfd_mach_o_core_file_matches_executable_p generic_core_file_matches_executable_p |
116c20d2 | 77 | |
1e8a024a TG |
78 | static unsigned int |
79 | bfd_mach_o_version (bfd *abfd) | |
80 | { | |
81 | bfd_mach_o_data_struct *mdata = NULL; | |
82 | ||
83 | BFD_ASSERT (bfd_mach_o_valid (abfd)); | |
84 | mdata = abfd->tdata.mach_o_data; | |
85 | ||
86 | return mdata->header.version; | |
87 | } | |
88 | ||
b34976b6 | 89 | bfd_boolean |
116c20d2 | 90 | bfd_mach_o_valid (bfd *abfd) |
3af9a47b NC |
91 | { |
92 | if (abfd == NULL || abfd->xvec == NULL) | |
93 | return 0; | |
94 | ||
95 | if (! ((abfd->xvec == &mach_o_be_vec) | |
96 | || (abfd->xvec == &mach_o_le_vec) | |
97 | || (abfd->xvec == &mach_o_fat_vec))) | |
98 | return 0; | |
99 | ||
100 | if (abfd->tdata.mach_o_data == NULL) | |
101 | return 0; | |
102 | return 1; | |
103 | } | |
104 | ||
105 | /* Copy any private info we understand from the input symbol | |
106 | to the output symbol. */ | |
107 | ||
b34976b6 | 108 | static bfd_boolean |
116c20d2 NC |
109 | bfd_mach_o_bfd_copy_private_symbol_data (bfd *ibfd ATTRIBUTE_UNUSED, |
110 | asymbol *isymbol ATTRIBUTE_UNUSED, | |
111 | bfd *obfd ATTRIBUTE_UNUSED, | |
112 | asymbol *osymbol ATTRIBUTE_UNUSED) | |
3af9a47b | 113 | { |
b34976b6 | 114 | return TRUE; |
3af9a47b NC |
115 | } |
116 | ||
117 | /* Copy any private info we understand from the input section | |
118 | to the output section. */ | |
119 | ||
b34976b6 | 120 | static bfd_boolean |
116c20d2 NC |
121 | bfd_mach_o_bfd_copy_private_section_data (bfd *ibfd ATTRIBUTE_UNUSED, |
122 | asection *isection ATTRIBUTE_UNUSED, | |
123 | bfd *obfd ATTRIBUTE_UNUSED, | |
124 | asection *osection ATTRIBUTE_UNUSED) | |
3af9a47b | 125 | { |
b34976b6 | 126 | return TRUE; |
3af9a47b NC |
127 | } |
128 | ||
129 | /* Copy any private info we understand from the input bfd | |
130 | to the output bfd. */ | |
131 | ||
b34976b6 | 132 | static bfd_boolean |
116c20d2 | 133 | bfd_mach_o_bfd_copy_private_bfd_data (bfd *ibfd, bfd *obfd) |
3af9a47b NC |
134 | { |
135 | BFD_ASSERT (bfd_mach_o_valid (ibfd)); | |
136 | BFD_ASSERT (bfd_mach_o_valid (obfd)); | |
137 | ||
138 | obfd->tdata.mach_o_data = ibfd->tdata.mach_o_data; | |
139 | obfd->tdata.mach_o_data->ibfd = ibfd; | |
b34976b6 | 140 | return TRUE; |
3af9a47b NC |
141 | } |
142 | ||
143 | static long | |
116c20d2 | 144 | bfd_mach_o_count_symbols (bfd *abfd) |
3af9a47b NC |
145 | { |
146 | bfd_mach_o_data_struct *mdata = NULL; | |
147 | long nsyms = 0; | |
148 | unsigned long i; | |
a95a4550 | 149 | |
3af9a47b NC |
150 | BFD_ASSERT (bfd_mach_o_valid (abfd)); |
151 | mdata = abfd->tdata.mach_o_data; | |
152 | ||
153 | for (i = 0; i < mdata->header.ncmds; i++) | |
154 | if (mdata->commands[i].type == BFD_MACH_O_LC_SYMTAB) | |
155 | { | |
156 | bfd_mach_o_symtab_command *sym = &mdata->commands[i].command.symtab; | |
157 | nsyms += sym->nsyms; | |
158 | } | |
159 | ||
160 | return nsyms; | |
161 | } | |
162 | ||
163 | static long | |
116c20d2 | 164 | bfd_mach_o_get_symtab_upper_bound (bfd *abfd) |
3af9a47b NC |
165 | { |
166 | long nsyms = bfd_mach_o_count_symbols (abfd); | |
167 | ||
168 | if (nsyms < 0) | |
169 | return nsyms; | |
170 | ||
171 | return ((nsyms + 1) * sizeof (asymbol *)); | |
172 | } | |
173 | ||
174 | static long | |
116c20d2 | 175 | bfd_mach_o_canonicalize_symtab (bfd *abfd, asymbol **alocation) |
3af9a47b NC |
176 | { |
177 | bfd_mach_o_data_struct *mdata = abfd->tdata.mach_o_data; | |
178 | long nsyms = bfd_mach_o_count_symbols (abfd); | |
179 | asymbol **csym = alocation; | |
180 | unsigned long i, j; | |
181 | ||
182 | if (nsyms < 0) | |
183 | return nsyms; | |
184 | ||
185 | for (i = 0; i < mdata->header.ncmds; i++) | |
186 | { | |
187 | if (mdata->commands[i].type == BFD_MACH_O_LC_SYMTAB) | |
188 | { | |
189 | bfd_mach_o_symtab_command *sym = &mdata->commands[i].command.symtab; | |
190 | ||
191 | if (bfd_mach_o_scan_read_symtab_symbols (abfd, &mdata->commands[i].command.symtab) != 0) | |
192 | { | |
6cee3f79 | 193 | fprintf (stderr, "bfd_mach_o_canonicalize_symtab: unable to load symbols for section %lu\n", i); |
3af9a47b NC |
194 | return 0; |
195 | } | |
196 | ||
197 | BFD_ASSERT (sym->symbols != NULL); | |
198 | ||
199 | for (j = 0; j < sym->nsyms; j++) | |
200 | { | |
201 | BFD_ASSERT (csym < (alocation + nsyms)); | |
202 | *csym++ = &sym->symbols[j]; | |
203 | } | |
204 | } | |
205 | } | |
206 | ||
207 | *csym++ = NULL; | |
a95a4550 | 208 | |
3af9a47b NC |
209 | return nsyms; |
210 | } | |
211 | ||
212 | static void | |
116c20d2 NC |
213 | bfd_mach_o_get_symbol_info (bfd *abfd ATTRIBUTE_UNUSED, |
214 | asymbol *symbol, | |
215 | symbol_info *ret) | |
3af9a47b NC |
216 | { |
217 | bfd_symbol_info (symbol, ret); | |
218 | } | |
219 | ||
220 | static void | |
116c20d2 NC |
221 | bfd_mach_o_print_symbol (bfd *abfd, |
222 | PTR afile, | |
223 | asymbol *symbol, | |
224 | bfd_print_symbol_type how) | |
3af9a47b NC |
225 | { |
226 | FILE *file = (FILE *) afile; | |
15e1c58a TG |
227 | unsigned char ntype; |
228 | unsigned char nsect; | |
229 | unsigned int ndesc; | |
230 | const char *name; | |
3af9a47b NC |
231 | |
232 | switch (how) | |
233 | { | |
234 | case bfd_print_symbol_name: | |
235 | fprintf (file, "%s", symbol->name); | |
236 | break; | |
237 | default: | |
238 | bfd_print_symbol_vandf (abfd, (PTR) file, symbol); | |
15e1c58a TG |
239 | ntype = BFD_MACH_O_SYM_NTYPE (symbol); |
240 | nsect = BFD_MACH_O_SYM_NSECT (symbol); | |
241 | ndesc = BFD_MACH_O_SYM_NDESC (symbol); | |
242 | if (ntype & BFD_MACH_O_N_STAB) | |
243 | name = bfd_get_stab_name (ntype); | |
244 | else | |
245 | switch (ntype & BFD_MACH_O_N_TYPE) | |
246 | { | |
247 | case BFD_MACH_O_N_UNDF: | |
248 | name = "UND"; | |
249 | break; | |
250 | case BFD_MACH_O_N_ABS: | |
251 | name = "ABS"; | |
252 | break; | |
253 | case BFD_MACH_O_N_INDR: | |
254 | name = "INDR"; | |
255 | break; | |
256 | case BFD_MACH_O_N_PBUD: | |
257 | name = "PBUD"; | |
258 | break; | |
259 | case BFD_MACH_O_N_SECT: | |
260 | name = "SECT"; | |
261 | break; | |
262 | default: | |
263 | name = "???"; | |
264 | break; | |
265 | } | |
266 | if (name == NULL) | |
267 | name = ""; | |
268 | fprintf (file, " %02x %-6s %02x %04x", ntype, name, nsect, ndesc); | |
269 | if ((ntype & BFD_MACH_O_N_STAB) == 0 | |
270 | && (ntype & BFD_MACH_O_N_TYPE) == BFD_MACH_O_N_SECT) | |
271 | fprintf (file, " %-5s", symbol->section->name); | |
272 | fprintf (file, " %s", symbol->name); | |
3af9a47b NC |
273 | } |
274 | } | |
275 | ||
276 | static void | |
116c20d2 NC |
277 | bfd_mach_o_convert_architecture (bfd_mach_o_cpu_type mtype, |
278 | bfd_mach_o_cpu_subtype msubtype ATTRIBUTE_UNUSED, | |
279 | enum bfd_architecture *type, | |
280 | unsigned long *subtype) | |
3af9a47b NC |
281 | { |
282 | *subtype = bfd_arch_unknown; | |
283 | ||
284 | switch (mtype) | |
285 | { | |
286 | case BFD_MACH_O_CPU_TYPE_VAX: *type = bfd_arch_vax; break; | |
287 | case BFD_MACH_O_CPU_TYPE_MC680x0: *type = bfd_arch_m68k; break; | |
1e8a024a TG |
288 | case BFD_MACH_O_CPU_TYPE_I386: |
289 | *type = bfd_arch_i386; | |
290 | *subtype = bfd_mach_i386_i386; | |
291 | break; | |
292 | case BFD_MACH_O_CPU_TYPE_X86_64: | |
293 | *type = bfd_arch_i386; | |
294 | *subtype = bfd_mach_x86_64; | |
295 | break; | |
3af9a47b NC |
296 | case BFD_MACH_O_CPU_TYPE_MIPS: *type = bfd_arch_mips; break; |
297 | case BFD_MACH_O_CPU_TYPE_MC98000: *type = bfd_arch_m98k; break; | |
298 | case BFD_MACH_O_CPU_TYPE_HPPA: *type = bfd_arch_hppa; break; | |
299 | case BFD_MACH_O_CPU_TYPE_ARM: *type = bfd_arch_arm; break; | |
300 | case BFD_MACH_O_CPU_TYPE_MC88000: *type = bfd_arch_m88k; break; | |
1e8a024a TG |
301 | case BFD_MACH_O_CPU_TYPE_SPARC: |
302 | *type = bfd_arch_sparc; | |
303 | *subtype = bfd_mach_sparc; | |
304 | break; | |
3af9a47b NC |
305 | case BFD_MACH_O_CPU_TYPE_I860: *type = bfd_arch_i860; break; |
306 | case BFD_MACH_O_CPU_TYPE_ALPHA: *type = bfd_arch_alpha; break; | |
1e8a024a TG |
307 | case BFD_MACH_O_CPU_TYPE_POWERPC: |
308 | *type = bfd_arch_powerpc; | |
309 | *subtype = bfd_mach_ppc; | |
310 | break; | |
311 | case BFD_MACH_O_CPU_TYPE_POWERPC_64: | |
312 | *type = bfd_arch_powerpc; | |
313 | *subtype = bfd_mach_ppc64; | |
314 | break; | |
3af9a47b | 315 | default: |
1e8a024a TG |
316 | *type = bfd_arch_unknown; |
317 | break; | |
3af9a47b NC |
318 | } |
319 | } | |
a95a4550 | 320 | |
116c20d2 NC |
321 | static int |
322 | bfd_mach_o_write_header (bfd *abfd, bfd_mach_o_header *header) | |
323 | { | |
1e8a024a TG |
324 | unsigned char buf[32]; |
325 | unsigned int size; | |
326 | ||
327 | size = (header->version == 2) ? 32 : 28; | |
116c20d2 NC |
328 | |
329 | bfd_h_put_32 (abfd, header->magic, buf + 0); | |
330 | bfd_h_put_32 (abfd, header->cputype, buf + 4); | |
331 | bfd_h_put_32 (abfd, header->cpusubtype, buf + 8); | |
332 | bfd_h_put_32 (abfd, header->filetype, buf + 12); | |
333 | bfd_h_put_32 (abfd, header->ncmds, buf + 16); | |
334 | bfd_h_put_32 (abfd, header->sizeofcmds, buf + 20); | |
335 | bfd_h_put_32 (abfd, header->flags, buf + 24); | |
336 | ||
1e8a024a TG |
337 | if (header->version == 2) |
338 | bfd_h_put_32 (abfd, header->reserved, buf + 28); | |
339 | ||
116c20d2 | 340 | bfd_seek (abfd, 0, SEEK_SET); |
1e8a024a | 341 | if (bfd_bwrite ((PTR) buf, size, abfd) != size) |
116c20d2 NC |
342 | return -1; |
343 | ||
344 | return 0; | |
345 | } | |
346 | ||
347 | static int | |
1e8a024a | 348 | bfd_mach_o_scan_write_thread (bfd *abfd, bfd_mach_o_load_command *command) |
116c20d2 NC |
349 | { |
350 | bfd_mach_o_thread_command *cmd = &command->command.thread; | |
351 | unsigned int i; | |
352 | unsigned char buf[8]; | |
353 | bfd_vma offset; | |
354 | unsigned int nflavours; | |
355 | ||
356 | BFD_ASSERT ((command->type == BFD_MACH_O_LC_THREAD) | |
357 | || (command->type == BFD_MACH_O_LC_UNIXTHREAD)); | |
358 | ||
359 | offset = 8; | |
360 | nflavours = 0; | |
361 | for (i = 0; i < cmd->nflavours; i++) | |
362 | { | |
363 | BFD_ASSERT ((cmd->flavours[i].size % 4) == 0); | |
364 | BFD_ASSERT (cmd->flavours[i].offset == (command->offset + offset + 8)); | |
365 | ||
366 | bfd_h_put_32 (abfd, cmd->flavours[i].flavour, buf); | |
367 | bfd_h_put_32 (abfd, (cmd->flavours[i].size / 4), buf + 4); | |
368 | ||
369 | bfd_seek (abfd, command->offset + offset, SEEK_SET); | |
370 | if (bfd_bwrite ((PTR) buf, 8, abfd) != 8) | |
371 | return -1; | |
372 | ||
373 | offset += cmd->flavours[i].size + 8; | |
374 | } | |
375 | ||
376 | return 0; | |
377 | } | |
378 | ||
379 | static int | |
1e8a024a TG |
380 | bfd_mach_o_scan_write_section_32 (bfd *abfd, |
381 | bfd_mach_o_section *section, | |
382 | bfd_vma offset) | |
116c20d2 NC |
383 | { |
384 | unsigned char buf[68]; | |
385 | ||
386 | memcpy (buf, section->sectname, 16); | |
387 | memcpy (buf + 16, section->segname, 16); | |
388 | bfd_h_put_32 (abfd, section->addr, buf + 32); | |
389 | bfd_h_put_32 (abfd, section->size, buf + 36); | |
390 | bfd_h_put_32 (abfd, section->offset, buf + 40); | |
391 | bfd_h_put_32 (abfd, section->align, buf + 44); | |
392 | bfd_h_put_32 (abfd, section->reloff, buf + 48); | |
393 | bfd_h_put_32 (abfd, section->nreloc, buf + 52); | |
394 | bfd_h_put_32 (abfd, section->flags, buf + 56); | |
1e8a024a TG |
395 | bfd_h_put_32 (abfd, section->reserved1, buf + 60); |
396 | bfd_h_put_32 (abfd, section->reserved2, buf + 64); | |
116c20d2 NC |
397 | |
398 | bfd_seek (abfd, offset, SEEK_SET); | |
399 | if (bfd_bwrite ((PTR) buf, 68, abfd) != 68) | |
400 | return -1; | |
401 | ||
402 | return 0; | |
403 | } | |
404 | ||
405 | static int | |
1e8a024a TG |
406 | bfd_mach_o_scan_write_section_64 (bfd *abfd, |
407 | bfd_mach_o_section *section, | |
408 | bfd_vma offset) | |
116c20d2 | 409 | { |
1e8a024a | 410 | unsigned char buf[80]; |
116c20d2 | 411 | |
1e8a024a TG |
412 | memcpy (buf, section->sectname, 16); |
413 | memcpy (buf + 16, section->segname, 16); | |
414 | bfd_h_put_64 (abfd, section->addr, buf + 32); | |
415 | bfd_h_put_64 (abfd, section->size, buf + 40); | |
416 | bfd_h_put_32 (abfd, section->offset, buf + 48); | |
417 | bfd_h_put_32 (abfd, section->align, buf + 52); | |
418 | bfd_h_put_32 (abfd, section->reloff, buf + 56); | |
419 | bfd_h_put_32 (abfd, section->nreloc, buf + 60); | |
420 | bfd_h_put_32 (abfd, section->flags, buf + 64); | |
421 | bfd_h_put_32 (abfd, section->reserved1, buf + 68); | |
422 | bfd_h_put_32 (abfd, section->reserved2, buf + 72); | |
423 | bfd_h_put_32 (abfd, section->reserved3, buf + 76); | |
116c20d2 | 424 | |
1e8a024a TG |
425 | bfd_seek (abfd, offset, SEEK_SET); |
426 | if (bfd_bwrite ((PTR) buf, 80, abfd) != 80) | |
116c20d2 NC |
427 | return -1; |
428 | ||
1e8a024a TG |
429 | return 0; |
430 | } | |
431 | ||
432 | static int | |
433 | bfd_mach_o_scan_write_section (bfd *abfd, | |
434 | bfd_mach_o_section *section, | |
435 | bfd_vma offset, | |
436 | unsigned int wide) | |
437 | { | |
438 | if (wide) | |
439 | return bfd_mach_o_scan_write_section_64 (abfd, section, offset); | |
440 | else | |
441 | return bfd_mach_o_scan_write_section_32 (abfd, section, offset); | |
442 | } | |
443 | ||
444 | static int | |
445 | bfd_mach_o_scan_write_segment (bfd *abfd, | |
446 | bfd_mach_o_load_command *command, | |
447 | unsigned int wide) | |
448 | { | |
449 | unsigned char buf[64]; | |
450 | bfd_mach_o_segment_command *seg = &command->command.segment; | |
451 | unsigned long i; | |
452 | ||
453 | if (wide) | |
454 | { | |
455 | BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT_64); | |
456 | ||
457 | memcpy (buf, seg->segname, 16); | |
458 | ||
459 | bfd_h_put_64 (abfd, seg->vmaddr, buf + 16); | |
460 | bfd_h_put_64 (abfd, seg->vmsize, buf + 24); | |
461 | bfd_h_put_64 (abfd, seg->fileoff, buf + 32); | |
462 | bfd_h_put_64 (abfd, seg->filesize, buf + 40); | |
463 | bfd_h_put_32 (abfd, seg->maxprot, buf + 48); | |
464 | bfd_h_put_32 (abfd, seg->initprot, buf + 52); | |
465 | bfd_h_put_32 (abfd, seg->nsects, buf + 56); | |
466 | bfd_h_put_32 (abfd, seg->flags, buf + 60); | |
467 | ||
468 | bfd_seek (abfd, command->offset + 8, SEEK_SET); | |
469 | if (bfd_bwrite ((PTR) buf, 64, abfd) != 64) | |
470 | return -1; | |
471 | } | |
472 | else | |
473 | { | |
474 | BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT); | |
475 | ||
476 | memcpy (buf, seg->segname, 16); | |
477 | ||
478 | bfd_h_put_32 (abfd, seg->vmaddr, buf + 16); | |
479 | bfd_h_put_32 (abfd, seg->vmsize, buf + 20); | |
480 | bfd_h_put_32 (abfd, seg->fileoff, buf + 24); | |
481 | bfd_h_put_32 (abfd, seg->filesize, buf + 28); | |
482 | bfd_h_put_32 (abfd, seg->maxprot, buf + 32); | |
483 | bfd_h_put_32 (abfd, seg->initprot, buf + 36); | |
484 | bfd_h_put_32 (abfd, seg->nsects, buf + 40); | |
485 | bfd_h_put_32 (abfd, seg->flags, buf + 44); | |
486 | ||
487 | bfd_seek (abfd, command->offset + 8, SEEK_SET); | |
488 | if (bfd_bwrite ((PTR) buf, 48, abfd) != 48) | |
489 | return -1; | |
490 | } | |
491 | ||
116c20d2 NC |
492 | { |
493 | char buf[1024]; | |
494 | bfd_vma nbytes = seg->filesize; | |
495 | bfd_vma curoff = seg->fileoff; | |
496 | ||
497 | while (nbytes > 0) | |
498 | { | |
1e8a024a | 499 | bfd_vma thiswrite = nbytes; |
116c20d2 | 500 | |
1e8a024a TG |
501 | if (thiswrite > 1024) |
502 | thiswrite = 1024; | |
116c20d2 NC |
503 | |
504 | bfd_seek (abfd, curoff, SEEK_SET); | |
1e8a024a | 505 | if (bfd_bread ((PTR) buf, thiswrite, abfd) != thiswrite) |
116c20d2 NC |
506 | return -1; |
507 | ||
508 | bfd_seek (abfd, curoff, SEEK_SET); | |
1e8a024a | 509 | if (bfd_bwrite ((PTR) buf, thiswrite, abfd) != thiswrite) |
116c20d2 NC |
510 | return -1; |
511 | ||
1e8a024a TG |
512 | nbytes -= thiswrite; |
513 | curoff += thiswrite; | |
116c20d2 NC |
514 | } |
515 | } | |
516 | ||
517 | for (i = 0; i < seg->nsects; i++) | |
518 | { | |
1e8a024a TG |
519 | bfd_vma segoff; |
520 | if (wide) | |
521 | segoff = command->offset + 64 + 8 + (i * 80); | |
522 | else | |
523 | segoff = command->offset + 48 + 8 + (i * 68); | |
524 | ||
525 | if (bfd_mach_o_scan_write_section | |
526 | (abfd, &seg->sections[i], segoff, wide) != 0) | |
116c20d2 NC |
527 | return -1; |
528 | } | |
529 | ||
530 | return 0; | |
531 | } | |
532 | ||
533 | static int | |
1e8a024a TG |
534 | bfd_mach_o_scan_write_segment_32 (bfd *abfd, bfd_mach_o_load_command *command) |
535 | { | |
536 | return bfd_mach_o_scan_write_segment (abfd, command, 0); | |
537 | } | |
538 | ||
539 | static int | |
540 | bfd_mach_o_scan_write_segment_64 (bfd *abfd, bfd_mach_o_load_command *command) | |
541 | { | |
542 | return bfd_mach_o_scan_write_segment (abfd, command, 1); | |
543 | } | |
544 | ||
545 | static int | |
546 | bfd_mach_o_scan_write_symtab_symbols (bfd *abfd, bfd_mach_o_load_command *command) | |
116c20d2 NC |
547 | { |
548 | bfd_mach_o_symtab_command *sym = &command->command.symtab; | |
549 | asymbol *s = NULL; | |
550 | unsigned long i; | |
551 | ||
552 | for (i = 0; i < sym->nsyms; i++) | |
553 | { | |
554 | unsigned char buf[12]; | |
555 | bfd_vma symoff = sym->symoff + (i * 12); | |
556 | unsigned char ntype = 0; | |
557 | unsigned char nsect = 0; | |
558 | short ndesc = 0; | |
559 | ||
560 | s = &sym->symbols[i]; | |
561 | ||
562 | /* Instead just set from the stored values. */ | |
15e1c58a TG |
563 | ntype = BFD_MACH_O_SYM_NTYPE (s); |
564 | nsect = BFD_MACH_O_SYM_NSECT (s); | |
565 | ndesc = BFD_MACH_O_SYM_NDESC (s); | |
116c20d2 NC |
566 | |
567 | bfd_h_put_32 (abfd, s->name - sym->strtab, buf); | |
568 | bfd_h_put_8 (abfd, ntype, buf + 4); | |
569 | bfd_h_put_8 (abfd, nsect, buf + 5); | |
570 | bfd_h_put_16 (abfd, ndesc, buf + 6); | |
571 | bfd_h_put_32 (abfd, s->section->vma + s->value, buf + 8); | |
572 | ||
573 | bfd_seek (abfd, symoff, SEEK_SET); | |
574 | if (bfd_bwrite ((PTR) buf, 12, abfd) != 12) | |
575 | { | |
576 | fprintf (stderr, "bfd_mach_o_scan_write_symtab_symbols: unable to write %d bytes at %lu\n", | |
577 | 12, (unsigned long) symoff); | |
578 | return -1; | |
579 | } | |
580 | } | |
581 | ||
582 | return 0; | |
583 | } | |
584 | ||
585 | static int | |
586 | bfd_mach_o_scan_write_symtab (bfd *abfd, bfd_mach_o_load_command *command) | |
587 | { | |
588 | bfd_mach_o_symtab_command *seg = &command->command.symtab; | |
589 | unsigned char buf[16]; | |
590 | ||
591 | BFD_ASSERT (command->type == BFD_MACH_O_LC_SYMTAB); | |
592 | ||
593 | bfd_h_put_32 (abfd, seg->symoff, buf); | |
594 | bfd_h_put_32 (abfd, seg->nsyms, buf + 4); | |
595 | bfd_h_put_32 (abfd, seg->stroff, buf + 8); | |
596 | bfd_h_put_32 (abfd, seg->strsize, buf + 12); | |
597 | ||
598 | bfd_seek (abfd, command->offset + 8, SEEK_SET); | |
599 | if (bfd_bwrite ((PTR) buf, 16, abfd) != 16) | |
600 | return -1; | |
601 | ||
602 | if (bfd_mach_o_scan_write_symtab_symbols (abfd, command) != 0) | |
603 | return -1; | |
604 | ||
605 | return 0; | |
606 | } | |
607 | ||
b34976b6 | 608 | static bfd_boolean |
116c20d2 | 609 | bfd_mach_o_write_contents (bfd *abfd) |
3af9a47b NC |
610 | { |
611 | unsigned int i; | |
612 | asection *s; | |
613 | ||
614 | bfd_mach_o_data_struct *mdata = abfd->tdata.mach_o_data; | |
615 | ||
616 | /* Write data sections first in case they overlap header data to be | |
617 | written later. */ | |
618 | ||
619 | for (s = abfd->sections; s != (asection *) NULL; s = s->next) | |
620 | ; | |
621 | ||
3af9a47b NC |
622 | /* Now write header information. */ |
623 | if (bfd_mach_o_write_header (abfd, &mdata->header) != 0) | |
b34976b6 | 624 | return FALSE; |
3af9a47b NC |
625 | |
626 | for (i = 0; i < mdata->header.ncmds; i++) | |
627 | { | |
628 | unsigned char buf[8]; | |
629 | bfd_mach_o_load_command *cur = &mdata->commands[i]; | |
630 | unsigned long typeflag; | |
631 | ||
632 | typeflag = cur->type_required ? cur->type & BFD_MACH_O_LC_REQ_DYLD : cur->type; | |
633 | ||
634 | bfd_h_put_32 (abfd, typeflag, buf); | |
635 | bfd_h_put_32 (abfd, cur->len, buf + 4); | |
636 | ||
637 | bfd_seek (abfd, cur->offset, SEEK_SET); | |
638 | if (bfd_bwrite ((PTR) buf, 8, abfd) != 8) | |
b34976b6 | 639 | return FALSE; |
3af9a47b NC |
640 | |
641 | switch (cur->type) | |
642 | { | |
643 | case BFD_MACH_O_LC_SEGMENT: | |
1e8a024a TG |
644 | if (bfd_mach_o_scan_write_segment_32 (abfd, cur) != 0) |
645 | return FALSE; | |
646 | break; | |
647 | case BFD_MACH_O_LC_SEGMENT_64: | |
648 | if (bfd_mach_o_scan_write_segment_64 (abfd, cur) != 0) | |
b34976b6 | 649 | return FALSE; |
3af9a47b NC |
650 | break; |
651 | case BFD_MACH_O_LC_SYMTAB: | |
652 | if (bfd_mach_o_scan_write_symtab (abfd, cur) != 0) | |
b34976b6 | 653 | return FALSE; |
3af9a47b NC |
654 | break; |
655 | case BFD_MACH_O_LC_SYMSEG: | |
656 | break; | |
657 | case BFD_MACH_O_LC_THREAD: | |
658 | case BFD_MACH_O_LC_UNIXTHREAD: | |
659 | if (bfd_mach_o_scan_write_thread (abfd, cur) != 0) | |
b34976b6 | 660 | return FALSE; |
3af9a47b NC |
661 | break; |
662 | case BFD_MACH_O_LC_LOADFVMLIB: | |
663 | case BFD_MACH_O_LC_IDFVMLIB: | |
664 | case BFD_MACH_O_LC_IDENT: | |
665 | case BFD_MACH_O_LC_FVMFILE: | |
666 | case BFD_MACH_O_LC_PREPAGE: | |
667 | case BFD_MACH_O_LC_DYSYMTAB: | |
668 | case BFD_MACH_O_LC_LOAD_DYLIB: | |
669 | case BFD_MACH_O_LC_LOAD_WEAK_DYLIB: | |
670 | case BFD_MACH_O_LC_ID_DYLIB: | |
671 | case BFD_MACH_O_LC_LOAD_DYLINKER: | |
672 | case BFD_MACH_O_LC_ID_DYLINKER: | |
673 | case BFD_MACH_O_LC_PREBOUND_DYLIB: | |
674 | case BFD_MACH_O_LC_ROUTINES: | |
675 | case BFD_MACH_O_LC_SUB_FRAMEWORK: | |
676 | break; | |
677 | default: | |
678 | fprintf (stderr, | |
679 | "unable to write unknown load command 0x%lx\n", | |
0af1713e | 680 | (unsigned long) cur->type); |
b34976b6 | 681 | return FALSE; |
3af9a47b NC |
682 | } |
683 | } | |
684 | ||
b34976b6 | 685 | return TRUE; |
3af9a47b NC |
686 | } |
687 | ||
688 | static int | |
116c20d2 | 689 | bfd_mach_o_sizeof_headers (bfd *a ATTRIBUTE_UNUSED, |
a6b96beb | 690 | struct bfd_link_info *info ATTRIBUTE_UNUSED) |
3af9a47b NC |
691 | { |
692 | return 0; | |
693 | } | |
694 | ||
695 | /* Make an empty symbol. This is required only because | |
696 | bfd_make_section_anyway wants to create a symbol for the section. */ | |
697 | ||
698 | static asymbol * | |
116c20d2 | 699 | bfd_mach_o_make_empty_symbol (bfd *abfd) |
3af9a47b NC |
700 | { |
701 | asymbol *new; | |
702 | ||
116c20d2 | 703 | new = bfd_zalloc (abfd, sizeof (* new)); |
3af9a47b NC |
704 | if (new == NULL) |
705 | return new; | |
706 | new->the_bfd = abfd; | |
707 | return new; | |
708 | } | |
709 | ||
710 | static int | |
116c20d2 | 711 | bfd_mach_o_read_header (bfd *abfd, bfd_mach_o_header *header) |
3af9a47b | 712 | { |
1e8a024a TG |
713 | unsigned char buf[32]; |
714 | unsigned int size; | |
edeb6e24 | 715 | bfd_vma (*get32) (const void *) = NULL; |
3af9a47b NC |
716 | |
717 | bfd_seek (abfd, 0, SEEK_SET); | |
718 | ||
1e8a024a TG |
719 | /* Just read the magic number. */ |
720 | if (bfd_bread ((PTR) buf, 4, abfd) != 4) | |
3af9a47b NC |
721 | return -1; |
722 | ||
723 | if (bfd_getb32 (buf) == 0xfeedface) | |
724 | { | |
725 | header->byteorder = BFD_ENDIAN_BIG; | |
726 | header->magic = 0xfeedface; | |
1e8a024a | 727 | header->version = 1; |
3af9a47b NC |
728 | get32 = bfd_getb32; |
729 | } | |
730 | else if (bfd_getl32 (buf) == 0xfeedface) | |
731 | { | |
a95a4550 | 732 | header->byteorder = BFD_ENDIAN_LITTLE; |
3af9a47b | 733 | header->magic = 0xfeedface; |
1e8a024a TG |
734 | header->version = 1; |
735 | get32 = bfd_getl32; | |
736 | } | |
737 | else if (bfd_getb32 (buf) == 0xfeedfacf) | |
738 | { | |
739 | header->byteorder = BFD_ENDIAN_BIG; | |
740 | header->magic = 0xfeedfacf; | |
741 | header->version = 2; | |
742 | get32 = bfd_getb32; | |
743 | } | |
744 | else if (bfd_getl32 (buf) == 0xfeedfacf) | |
745 | { | |
746 | header->byteorder = BFD_ENDIAN_LITTLE; | |
747 | header->magic = 0xfeedfacf; | |
748 | header->version = 2; | |
3af9a47b NC |
749 | get32 = bfd_getl32; |
750 | } | |
751 | else | |
752 | { | |
753 | header->byteorder = BFD_ENDIAN_UNKNOWN; | |
754 | return -1; | |
755 | } | |
a95a4550 | 756 | |
1e8a024a TG |
757 | /* Once the size of the header is known, read the full header. */ |
758 | size = (header->version == 2) ? 32 : 28; | |
759 | ||
760 | bfd_seek (abfd, 0, SEEK_SET); | |
761 | if (bfd_bread ((PTR) buf, size, abfd) != size) | |
762 | return -1; | |
763 | ||
3af9a47b NC |
764 | header->cputype = (*get32) (buf + 4); |
765 | header->cpusubtype = (*get32) (buf + 8); | |
766 | header->filetype = (*get32) (buf + 12); | |
767 | header->ncmds = (*get32) (buf + 16); | |
768 | header->sizeofcmds = (*get32) (buf + 20); | |
769 | header->flags = (*get32) (buf + 24); | |
770 | ||
1e8a024a TG |
771 | if (header->version == 2) |
772 | header->reserved = (*get32) (buf + 28); | |
773 | ||
3af9a47b NC |
774 | return 0; |
775 | } | |
776 | ||
777 | static asection * | |
15e1c58a TG |
778 | bfd_mach_o_make_bfd_section (bfd *abfd, bfd_mach_o_section *section, |
779 | unsigned long prot) | |
3af9a47b NC |
780 | { |
781 | asection *bfdsec; | |
782 | char *sname; | |
783 | const char *prefix = "LC_SEGMENT"; | |
784 | unsigned int snamelen; | |
117ed4f8 | 785 | flagword flags; |
3af9a47b NC |
786 | |
787 | snamelen = strlen (prefix) + 1 | |
788 | + strlen (section->segname) + 1 | |
789 | + strlen (section->sectname) + 1; | |
790 | ||
116c20d2 | 791 | sname = bfd_alloc (abfd, snamelen); |
3af9a47b NC |
792 | if (sname == NULL) |
793 | return NULL; | |
3af9a47b | 794 | |
15e1c58a TG |
795 | /* Use canonical dwarf section names for dwarf sections. */ |
796 | if (strcmp (section->segname, "__DWARF") == 0 | |
797 | && strncmp (section->sectname, "__", 2) == 0) | |
798 | sprintf (sname, ".%s", section->sectname + 2); | |
846b9259 TG |
799 | else if (strcmp (section->segname, "__TEXT") == 0) |
800 | { | |
801 | if (strcmp (section->sectname, "__eh_frame") == 0) | |
802 | strcpy (sname, ".eh_frame"); | |
803 | else if (section->sectname[0]) | |
804 | sprintf (sname, "%s.%s", section->segname, section->sectname); | |
805 | else | |
806 | strcpy (sname, section->segname); | |
807 | } | |
808 | else if (strcmp (section->segname, "__DATA") == 0) | |
809 | { | |
810 | if (section->sectname[0]) | |
811 | sprintf (sname, "%s.%s", section->segname, section->sectname); | |
812 | else | |
813 | strcpy (sname, section->segname); | |
814 | } | |
15e1c58a TG |
815 | else |
816 | sprintf (sname, "%s.%s.%s", prefix, section->segname, section->sectname); | |
817 | ||
818 | if (section->flags & BFD_MACH_O_S_ATTR_DEBUG) | |
819 | flags = SEC_HAS_CONTENTS | SEC_DEBUGGING; | |
820 | else | |
821 | { | |
822 | flags = SEC_ALLOC; | |
823 | if ((section->flags & BFD_MACH_O_SECTION_TYPE_MASK) | |
824 | != BFD_MACH_O_S_ZEROFILL) | |
825 | { | |
826 | flags |= SEC_HAS_CONTENTS | SEC_LOAD; | |
827 | if (prot & BFD_MACH_O_PROT_EXECUTE) | |
828 | flags |= SEC_CODE; | |
829 | if (prot & BFD_MACH_O_PROT_WRITE) | |
830 | flags |= SEC_DATA; | |
831 | else if (prot & BFD_MACH_O_PROT_READ) | |
832 | flags |= SEC_READONLY; | |
833 | } | |
834 | } | |
117ed4f8 | 835 | bfdsec = bfd_make_section_anyway_with_flags (abfd, sname, flags); |
3af9a47b NC |
836 | if (bfdsec == NULL) |
837 | return NULL; | |
a95a4550 | 838 | |
3af9a47b NC |
839 | bfdsec->vma = section->addr; |
840 | bfdsec->lma = section->addr; | |
eea6121a | 841 | bfdsec->size = section->size; |
3af9a47b NC |
842 | bfdsec->filepos = section->offset; |
843 | bfdsec->alignment_power = section->align; | |
1e8a024a | 844 | bfdsec->segment_mark = 0; |
3af9a47b | 845 | |
3af9a47b NC |
846 | return bfdsec; |
847 | } | |
848 | ||
849 | static int | |
1e8a024a TG |
850 | bfd_mach_o_scan_read_section_32 (bfd *abfd, |
851 | bfd_mach_o_section *section, | |
15e1c58a TG |
852 | bfd_vma offset, |
853 | unsigned long prot) | |
3af9a47b NC |
854 | { |
855 | unsigned char buf[68]; | |
856 | ||
857 | bfd_seek (abfd, offset, SEEK_SET); | |
858 | if (bfd_bread ((PTR) buf, 68, abfd) != 68) | |
859 | return -1; | |
a95a4550 | 860 | |
3af9a47b NC |
861 | memcpy (section->sectname, buf, 16); |
862 | section->sectname[16] = '\0'; | |
863 | memcpy (section->segname, buf + 16, 16); | |
864 | section->segname[16] = '\0'; | |
865 | section->addr = bfd_h_get_32 (abfd, buf + 32); | |
866 | section->size = bfd_h_get_32 (abfd, buf + 36); | |
867 | section->offset = bfd_h_get_32 (abfd, buf + 40); | |
868 | section->align = bfd_h_get_32 (abfd, buf + 44); | |
869 | section->reloff = bfd_h_get_32 (abfd, buf + 48); | |
870 | section->nreloc = bfd_h_get_32 (abfd, buf + 52); | |
871 | section->flags = bfd_h_get_32 (abfd, buf + 56); | |
872 | section->reserved1 = bfd_h_get_32 (abfd, buf + 60); | |
873 | section->reserved2 = bfd_h_get_32 (abfd, buf + 64); | |
1e8a024a | 874 | section->reserved3 = 0; |
15e1c58a | 875 | section->bfdsection = bfd_mach_o_make_bfd_section (abfd, section, prot); |
1e8a024a TG |
876 | |
877 | if (section->bfdsection == NULL) | |
878 | return -1; | |
879 | ||
880 | return 0; | |
881 | } | |
882 | ||
883 | static int | |
884 | bfd_mach_o_scan_read_section_64 (bfd *abfd, | |
885 | bfd_mach_o_section *section, | |
15e1c58a TG |
886 | bfd_vma offset, |
887 | unsigned long prot) | |
1e8a024a TG |
888 | { |
889 | unsigned char buf[80]; | |
890 | ||
891 | bfd_seek (abfd, offset, SEEK_SET); | |
892 | if (bfd_bread ((PTR) buf, 80, abfd) != 80) | |
893 | return -1; | |
894 | ||
895 | memcpy (section->sectname, buf, 16); | |
896 | section->sectname[16] = '\0'; | |
897 | memcpy (section->segname, buf + 16, 16); | |
898 | section->segname[16] = '\0'; | |
899 | section->addr = bfd_h_get_64 (abfd, buf + 32); | |
900 | section->size = bfd_h_get_64 (abfd, buf + 40); | |
901 | section->offset = bfd_h_get_32 (abfd, buf + 48); | |
902 | section->align = bfd_h_get_32 (abfd, buf + 52); | |
903 | section->reloff = bfd_h_get_32 (abfd, buf + 56); | |
904 | section->nreloc = bfd_h_get_32 (abfd, buf + 60); | |
905 | section->flags = bfd_h_get_32 (abfd, buf + 64); | |
906 | section->reserved1 = bfd_h_get_32 (abfd, buf + 68); | |
907 | section->reserved2 = bfd_h_get_32 (abfd, buf + 72); | |
908 | section->reserved3 = bfd_h_get_32 (abfd, buf + 76); | |
15e1c58a | 909 | section->bfdsection = bfd_mach_o_make_bfd_section (abfd, section, prot); |
3af9a47b NC |
910 | |
911 | if (section->bfdsection == NULL) | |
912 | return -1; | |
913 | ||
914 | return 0; | |
915 | } | |
916 | ||
1e8a024a TG |
917 | static int |
918 | bfd_mach_o_scan_read_section (bfd *abfd, | |
919 | bfd_mach_o_section *section, | |
920 | bfd_vma offset, | |
15e1c58a | 921 | unsigned long prot, |
1e8a024a TG |
922 | unsigned int wide) |
923 | { | |
924 | if (wide) | |
15e1c58a | 925 | return bfd_mach_o_scan_read_section_64 (abfd, section, offset, prot); |
1e8a024a | 926 | else |
15e1c58a | 927 | return bfd_mach_o_scan_read_section_32 (abfd, section, offset, prot); |
1e8a024a TG |
928 | } |
929 | ||
3af9a47b | 930 | int |
116c20d2 NC |
931 | bfd_mach_o_scan_read_symtab_symbol (bfd *abfd, |
932 | bfd_mach_o_symtab_command *sym, | |
933 | asymbol *s, | |
934 | unsigned long i) | |
3af9a47b NC |
935 | { |
936 | bfd_mach_o_data_struct *mdata = abfd->tdata.mach_o_data; | |
1e8a024a TG |
937 | unsigned int wide = (mdata->header.version == 2); |
938 | unsigned int symwidth = wide ? 16 : 12; | |
939 | bfd_vma symoff = sym->symoff + (i * symwidth); | |
940 | unsigned char buf[16]; | |
3af9a47b NC |
941 | unsigned char type = -1; |
942 | unsigned char section = -1; | |
943 | short desc = -1; | |
1e8a024a | 944 | symvalue value = -1; |
3af9a47b NC |
945 | unsigned long stroff = -1; |
946 | unsigned int symtype = -1; | |
947 | ||
948 | BFD_ASSERT (sym->strtab != NULL); | |
949 | ||
950 | bfd_seek (abfd, symoff, SEEK_SET); | |
1e8a024a | 951 | if (bfd_bread ((PTR) buf, symwidth, abfd) != symwidth) |
3af9a47b NC |
952 | { |
953 | fprintf (stderr, "bfd_mach_o_scan_read_symtab_symbol: unable to read %d bytes at %lu\n", | |
1e8a024a | 954 | symwidth, (unsigned long) symoff); |
3af9a47b NC |
955 | return -1; |
956 | } | |
957 | ||
958 | stroff = bfd_h_get_32 (abfd, buf); | |
959 | type = bfd_h_get_8 (abfd, buf + 4); | |
960 | symtype = (type & 0x0e); | |
15e1c58a | 961 | section = bfd_h_get_8 (abfd, buf + 5); |
3af9a47b | 962 | desc = bfd_h_get_16 (abfd, buf + 6); |
1e8a024a TG |
963 | if (wide) |
964 | value = bfd_h_get_64 (abfd, buf + 8); | |
965 | else | |
966 | value = bfd_h_get_32 (abfd, buf + 8); | |
3af9a47b NC |
967 | |
968 | if (stroff >= sym->strsize) | |
969 | { | |
970 | fprintf (stderr, "bfd_mach_o_scan_read_symtab_symbol: symbol name out of range (%lu >= %lu)\n", | |
971 | (unsigned long) stroff, (unsigned long) sym->strsize); | |
a95a4550 | 972 | return -1; |
3af9a47b NC |
973 | } |
974 | ||
975 | s->the_bfd = abfd; | |
976 | s->name = sym->strtab + stroff; | |
977 | s->value = value; | |
978 | s->udata.i = (type << 24) | (section << 16) | desc; | |
979 | s->flags = 0x0; | |
980 | ||
981 | if (type & BFD_MACH_O_N_STAB) | |
982 | { | |
983 | s->flags |= BSF_DEBUGGING; | |
984 | s->section = bfd_und_section_ptr; | |
15e1c58a TG |
985 | switch (type) |
986 | { | |
987 | case N_FUN: | |
988 | case N_STSYM: | |
989 | case N_LCSYM: | |
990 | case N_BNSYM: | |
991 | case N_SLINE: | |
992 | case N_ENSYM: | |
993 | case N_ECOMM: | |
994 | case N_ECOML: | |
995 | case N_GSYM: | |
996 | if ((section > 0) && (section <= mdata->nsects)) | |
997 | { | |
998 | s->section = mdata->sections[section - 1]->bfdsection; | |
999 | s->value = s->value - mdata->sections[section - 1]->addr; | |
1000 | } | |
1001 | break; | |
1002 | } | |
3af9a47b NC |
1003 | } |
1004 | else | |
1005 | { | |
1006 | if (type & BFD_MACH_O_N_PEXT) | |
15e1c58a TG |
1007 | s->flags |= BSF_GLOBAL; |
1008 | ||
3af9a47b | 1009 | if (type & BFD_MACH_O_N_EXT) |
15e1c58a TG |
1010 | s->flags |= BSF_GLOBAL; |
1011 | ||
1012 | if (!(type & (BFD_MACH_O_N_PEXT | BFD_MACH_O_N_EXT))) | |
1013 | s->flags |= BSF_LOCAL; | |
3af9a47b NC |
1014 | |
1015 | switch (symtype) | |
1016 | { | |
1017 | case BFD_MACH_O_N_UNDF: | |
1018 | s->section = bfd_und_section_ptr; | |
1019 | break; | |
1020 | case BFD_MACH_O_N_PBUD: | |
1021 | s->section = bfd_und_section_ptr; | |
1022 | break; | |
1023 | case BFD_MACH_O_N_ABS: | |
1024 | s->section = bfd_abs_section_ptr; | |
1025 | break; | |
1026 | case BFD_MACH_O_N_SECT: | |
1027 | if ((section > 0) && (section <= mdata->nsects)) | |
1028 | { | |
15e1c58a TG |
1029 | s->section = mdata->sections[section - 1]->bfdsection; |
1030 | s->value = s->value - mdata->sections[section - 1]->addr; | |
3af9a47b NC |
1031 | } |
1032 | else | |
1033 | { | |
1034 | /* Mach-O uses 0 to mean "no section"; not an error. */ | |
1035 | if (section != 0) | |
1036 | { | |
1037 | fprintf (stderr, "bfd_mach_o_scan_read_symtab_symbol: " | |
a95a4550 | 1038 | "symbol \"%s\" specified invalid section %d (max %lu): setting to undefined\n", |
3af9a47b NC |
1039 | s->name, section, mdata->nsects); |
1040 | } | |
1041 | s->section = bfd_und_section_ptr; | |
1042 | } | |
1043 | break; | |
1044 | case BFD_MACH_O_N_INDR: | |
1045 | fprintf (stderr, "bfd_mach_o_scan_read_symtab_symbol: " | |
a95a4550 | 1046 | "symbol \"%s\" is unsupported 'indirect' reference: setting to undefined\n", |
3af9a47b NC |
1047 | s->name); |
1048 | s->section = bfd_und_section_ptr; | |
1049 | break; | |
1050 | default: | |
1051 | fprintf (stderr, "bfd_mach_o_scan_read_symtab_symbol: " | |
a95a4550 | 1052 | "symbol \"%s\" specified invalid type field 0x%x: setting to undefined\n", |
3af9a47b NC |
1053 | s->name, symtype); |
1054 | s->section = bfd_und_section_ptr; | |
1055 | break; | |
1056 | } | |
1057 | } | |
1058 | ||
1059 | return 0; | |
1060 | } | |
1061 | ||
1062 | int | |
116c20d2 NC |
1063 | bfd_mach_o_scan_read_symtab_strtab (bfd *abfd, |
1064 | bfd_mach_o_symtab_command *sym) | |
3af9a47b NC |
1065 | { |
1066 | BFD_ASSERT (sym->strtab == NULL); | |
1067 | ||
1068 | if (abfd->flags & BFD_IN_MEMORY) | |
1069 | { | |
1070 | struct bfd_in_memory *b; | |
1071 | ||
1072 | b = (struct bfd_in_memory *) abfd->iostream; | |
1073 | ||
1074 | if ((sym->stroff + sym->strsize) > b->size) | |
1075 | { | |
1076 | bfd_set_error (bfd_error_file_truncated); | |
1077 | return -1; | |
1078 | } | |
f075ee0c | 1079 | sym->strtab = (char *) b->buffer + sym->stroff; |
3af9a47b NC |
1080 | return 0; |
1081 | } | |
1082 | ||
1083 | sym->strtab = bfd_alloc (abfd, sym->strsize); | |
1084 | if (sym->strtab == NULL) | |
1085 | return -1; | |
1086 | ||
1087 | bfd_seek (abfd, sym->stroff, SEEK_SET); | |
1088 | if (bfd_bread ((PTR) sym->strtab, sym->strsize, abfd) != sym->strsize) | |
1089 | { | |
1090 | fprintf (stderr, "bfd_mach_o_scan_read_symtab_strtab: unable to read %lu bytes at %lu\n", | |
1091 | sym->strsize, sym->stroff); | |
a95a4550 | 1092 | return -1; |
3af9a47b NC |
1093 | } |
1094 | ||
1095 | return 0; | |
1096 | } | |
1097 | ||
a95a4550 | 1098 | int |
116c20d2 NC |
1099 | bfd_mach_o_scan_read_symtab_symbols (bfd *abfd, |
1100 | bfd_mach_o_symtab_command *sym) | |
3af9a47b NC |
1101 | { |
1102 | unsigned long i; | |
1103 | int ret; | |
1104 | ||
1105 | BFD_ASSERT (sym->symbols == NULL); | |
1106 | sym->symbols = bfd_alloc (abfd, sym->nsyms * sizeof (asymbol)); | |
1107 | ||
1108 | if (sym->symbols == NULL) | |
1109 | { | |
1110 | fprintf (stderr, "bfd_mach_o_scan_read_symtab_symbols: unable to allocate memory for symbols\n"); | |
a95a4550 | 1111 | return -1; |
3af9a47b | 1112 | } |
a95a4550 | 1113 | |
3af9a47b NC |
1114 | ret = bfd_mach_o_scan_read_symtab_strtab (abfd, sym); |
1115 | if (ret != 0) | |
1116 | return ret; | |
1117 | ||
1118 | for (i = 0; i < sym->nsyms; i++) | |
1119 | { | |
1120 | ret = bfd_mach_o_scan_read_symtab_symbol (abfd, sym, &sym->symbols[i], i); | |
1121 | if (ret != 0) | |
1122 | return ret; | |
1123 | } | |
a95a4550 | 1124 | |
3af9a47b NC |
1125 | return 0; |
1126 | } | |
1127 | ||
1128 | int | |
116c20d2 NC |
1129 | bfd_mach_o_scan_read_dysymtab_symbol (bfd *abfd, |
1130 | bfd_mach_o_dysymtab_command *dysym, | |
1131 | bfd_mach_o_symtab_command *sym, | |
1132 | asymbol *s, | |
1133 | unsigned long i) | |
3af9a47b NC |
1134 | { |
1135 | unsigned long isymoff = dysym->indirectsymoff + (i * 4); | |
1136 | unsigned long symindex; | |
1137 | unsigned char buf[4]; | |
1138 | ||
1139 | BFD_ASSERT (i < dysym->nindirectsyms); | |
a95a4550 | 1140 | |
3af9a47b NC |
1141 | bfd_seek (abfd, isymoff, SEEK_SET); |
1142 | if (bfd_bread ((PTR) buf, 4, abfd) != 4) | |
1143 | { | |
1144 | fprintf (stderr, "bfd_mach_o_scan_read_dysymtab_symbol: unable to read %lu bytes at %lu\n", | |
1145 | (unsigned long) 4, isymoff); | |
1146 | return -1; | |
1147 | } | |
1148 | symindex = bfd_h_get_32 (abfd, buf); | |
a95a4550 | 1149 | |
3af9a47b NC |
1150 | return bfd_mach_o_scan_read_symtab_symbol (abfd, sym, s, symindex); |
1151 | } | |
1152 | ||
1153 | static const char * | |
116c20d2 | 1154 | bfd_mach_o_i386_flavour_string (unsigned int flavour) |
3af9a47b NC |
1155 | { |
1156 | switch ((int) flavour) | |
1157 | { | |
15e1c58a TG |
1158 | case BFD_MACH_O_x86_THREAD_STATE32: return "x86_THREAD_STATE32"; |
1159 | case BFD_MACH_O_x86_FLOAT_STATE32: return "x86_FLOAT_STATE32"; | |
1160 | case BFD_MACH_O_x86_EXCEPTION_STATE32: return "x86_EXCEPTION_STATE32"; | |
1161 | case BFD_MACH_O_x86_THREAD_STATE64: return "x86_THREAD_STATE64"; | |
1162 | case BFD_MACH_O_x86_FLOAT_STATE64: return "x86_FLOAT_STATE64"; | |
1163 | case BFD_MACH_O_x86_EXCEPTION_STATE64: return "x86_EXCEPTION_STATE64"; | |
1164 | case BFD_MACH_O_x86_THREAD_STATE: return "x86_THREAD_STATE"; | |
1165 | case BFD_MACH_O_x86_FLOAT_STATE: return "x86_FLOAT_STATE"; | |
1166 | case BFD_MACH_O_x86_EXCEPTION_STATE: return "x86_EXCEPTION_STATE"; | |
1167 | case BFD_MACH_O_x86_DEBUG_STATE32: return "x86_DEBUG_STATE32"; | |
1168 | case BFD_MACH_O_x86_DEBUG_STATE64: return "x86_DEBUG_STATE64"; | |
1169 | case BFD_MACH_O_x86_DEBUG_STATE: return "x86_DEBUG_STATE"; | |
1170 | case BFD_MACH_O_THREAD_STATE_NONE: return "THREAD_STATE_NONE"; | |
3af9a47b NC |
1171 | default: return "UNKNOWN"; |
1172 | } | |
1173 | } | |
1174 | ||
1175 | static const char * | |
116c20d2 | 1176 | bfd_mach_o_ppc_flavour_string (unsigned int flavour) |
3af9a47b NC |
1177 | { |
1178 | switch ((int) flavour) | |
1179 | { | |
1180 | case BFD_MACH_O_PPC_THREAD_STATE: return "PPC_THREAD_STATE"; | |
1181 | case BFD_MACH_O_PPC_FLOAT_STATE: return "PPC_FLOAT_STATE"; | |
1182 | case BFD_MACH_O_PPC_EXCEPTION_STATE: return "PPC_EXCEPTION_STATE"; | |
1183 | case BFD_MACH_O_PPC_VECTOR_STATE: return "PPC_VECTOR_STATE"; | |
1184 | default: return "UNKNOWN"; | |
1185 | } | |
1186 | } | |
1187 | ||
1188 | static int | |
116c20d2 NC |
1189 | bfd_mach_o_scan_read_dylinker (bfd *abfd, |
1190 | bfd_mach_o_load_command *command) | |
3af9a47b NC |
1191 | { |
1192 | bfd_mach_o_dylinker_command *cmd = &command->command.dylinker; | |
1193 | unsigned char buf[4]; | |
1194 | unsigned int nameoff; | |
1195 | asection *bfdsec; | |
1196 | char *sname; | |
1197 | const char *prefix; | |
1198 | ||
1199 | BFD_ASSERT ((command->type == BFD_MACH_O_LC_ID_DYLINKER) | |
1200 | || (command->type == BFD_MACH_O_LC_LOAD_DYLINKER)); | |
1201 | ||
1202 | bfd_seek (abfd, command->offset + 8, SEEK_SET); | |
1203 | if (bfd_bread ((PTR) buf, 4, abfd) != 4) | |
1204 | return -1; | |
1205 | ||
1206 | nameoff = bfd_h_get_32 (abfd, buf + 0); | |
1207 | ||
1208 | cmd->name_offset = command->offset + nameoff; | |
1209 | cmd->name_len = command->len - nameoff; | |
1210 | ||
1211 | if (command->type == BFD_MACH_O_LC_LOAD_DYLINKER) | |
1212 | prefix = "LC_LOAD_DYLINKER"; | |
1213 | else if (command->type == BFD_MACH_O_LC_ID_DYLINKER) | |
1214 | prefix = "LC_ID_DYLINKER"; | |
1215 | else | |
1216 | abort (); | |
1217 | ||
116c20d2 | 1218 | sname = bfd_alloc (abfd, strlen (prefix) + 1); |
3af9a47b NC |
1219 | if (sname == NULL) |
1220 | return -1; | |
1221 | strcpy (sname, prefix); | |
1222 | ||
117ed4f8 | 1223 | bfdsec = bfd_make_section_anyway_with_flags (abfd, sname, SEC_HAS_CONTENTS); |
3af9a47b NC |
1224 | if (bfdsec == NULL) |
1225 | return -1; | |
a95a4550 | 1226 | |
3af9a47b NC |
1227 | bfdsec->vma = 0; |
1228 | bfdsec->lma = 0; | |
846b9259 TG |
1229 | bfdsec->size = command->len - nameoff; |
1230 | bfdsec->filepos = command->offset + nameoff; | |
3af9a47b | 1231 | bfdsec->alignment_power = 0; |
3af9a47b NC |
1232 | |
1233 | cmd->section = bfdsec; | |
1234 | ||
1235 | return 0; | |
1236 | } | |
1237 | ||
1238 | static int | |
116c20d2 | 1239 | bfd_mach_o_scan_read_dylib (bfd *abfd, bfd_mach_o_load_command *command) |
3af9a47b NC |
1240 | { |
1241 | bfd_mach_o_dylib_command *cmd = &command->command.dylib; | |
1242 | unsigned char buf[16]; | |
1243 | unsigned int nameoff; | |
1244 | asection *bfdsec; | |
1245 | char *sname; | |
1246 | const char *prefix; | |
1247 | ||
1248 | BFD_ASSERT ((command->type == BFD_MACH_O_LC_ID_DYLIB) | |
1249 | || (command->type == BFD_MACH_O_LC_LOAD_DYLIB) | |
1250 | || (command->type == BFD_MACH_O_LC_LOAD_WEAK_DYLIB)); | |
1251 | ||
1252 | bfd_seek (abfd, command->offset + 8, SEEK_SET); | |
1253 | if (bfd_bread ((PTR) buf, 16, abfd) != 16) | |
1254 | return -1; | |
1255 | ||
1256 | nameoff = bfd_h_get_32 (abfd, buf + 0); | |
1257 | cmd->timestamp = bfd_h_get_32 (abfd, buf + 4); | |
1258 | cmd->current_version = bfd_h_get_32 (abfd, buf + 8); | |
1259 | cmd->compatibility_version = bfd_h_get_32 (abfd, buf + 12); | |
1260 | ||
1261 | cmd->name_offset = command->offset + nameoff; | |
1262 | cmd->name_len = command->len - nameoff; | |
1263 | ||
1264 | if (command->type == BFD_MACH_O_LC_LOAD_DYLIB) | |
1265 | prefix = "LC_LOAD_DYLIB"; | |
1266 | else if (command->type == BFD_MACH_O_LC_LOAD_WEAK_DYLIB) | |
1267 | prefix = "LC_LOAD_WEAK_DYLIB"; | |
1268 | else if (command->type == BFD_MACH_O_LC_ID_DYLIB) | |
1269 | prefix = "LC_ID_DYLIB"; | |
1270 | else | |
1271 | abort (); | |
1272 | ||
116c20d2 | 1273 | sname = bfd_alloc (abfd, strlen (prefix) + 1); |
3af9a47b NC |
1274 | if (sname == NULL) |
1275 | return -1; | |
1276 | strcpy (sname, prefix); | |
1277 | ||
117ed4f8 | 1278 | bfdsec = bfd_make_section_anyway_with_flags (abfd, sname, SEC_HAS_CONTENTS); |
3af9a47b NC |
1279 | if (bfdsec == NULL) |
1280 | return -1; | |
a95a4550 | 1281 | |
3af9a47b NC |
1282 | bfdsec->vma = 0; |
1283 | bfdsec->lma = 0; | |
eea6121a | 1284 | bfdsec->size = command->len - 8; |
3af9a47b NC |
1285 | bfdsec->filepos = command->offset + 8; |
1286 | bfdsec->alignment_power = 0; | |
3af9a47b NC |
1287 | |
1288 | cmd->section = bfdsec; | |
1289 | ||
1290 | return 0; | |
1291 | } | |
1292 | ||
1293 | static int | |
116c20d2 NC |
1294 | bfd_mach_o_scan_read_prebound_dylib (bfd *abfd ATTRIBUTE_UNUSED, |
1295 | bfd_mach_o_load_command *command ATTRIBUTE_UNUSED) | |
3af9a47b NC |
1296 | { |
1297 | /* bfd_mach_o_prebound_dylib_command *cmd = &command->command.prebound_dylib; */ | |
1298 | ||
1299 | BFD_ASSERT (command->type == BFD_MACH_O_LC_PREBOUND_DYLIB); | |
1300 | return 0; | |
1301 | } | |
1302 | ||
1303 | static int | |
116c20d2 | 1304 | bfd_mach_o_scan_read_thread (bfd *abfd, bfd_mach_o_load_command *command) |
3af9a47b NC |
1305 | { |
1306 | bfd_mach_o_data_struct *mdata = NULL; | |
1307 | bfd_mach_o_thread_command *cmd = &command->command.thread; | |
1308 | unsigned char buf[8]; | |
1309 | bfd_vma offset; | |
1310 | unsigned int nflavours; | |
1311 | unsigned int i; | |
1312 | ||
1313 | BFD_ASSERT ((command->type == BFD_MACH_O_LC_THREAD) | |
1314 | || (command->type == BFD_MACH_O_LC_UNIXTHREAD)); | |
1315 | ||
1316 | BFD_ASSERT (bfd_mach_o_valid (abfd)); | |
1317 | mdata = abfd->tdata.mach_o_data; | |
a95a4550 | 1318 | |
3af9a47b NC |
1319 | offset = 8; |
1320 | nflavours = 0; | |
1321 | while (offset != command->len) | |
1322 | { | |
1323 | if (offset >= command->len) | |
1324 | return -1; | |
1325 | ||
1326 | bfd_seek (abfd, command->offset + offset, SEEK_SET); | |
1327 | ||
1328 | if (bfd_bread ((PTR) buf, 8, abfd) != 8) | |
1329 | return -1; | |
1330 | ||
1331 | offset += 8 + bfd_h_get_32 (abfd, buf + 4) * 4; | |
1332 | nflavours++; | |
1333 | } | |
1334 | ||
116c20d2 | 1335 | cmd->flavours = bfd_alloc (abfd, nflavours * sizeof (bfd_mach_o_thread_flavour)); |
3af9a47b NC |
1336 | if (cmd->flavours == NULL) |
1337 | return -1; | |
1338 | cmd->nflavours = nflavours; | |
1339 | ||
1340 | offset = 8; | |
1341 | nflavours = 0; | |
1342 | while (offset != command->len) | |
1343 | { | |
1344 | if (offset >= command->len) | |
1345 | return -1; | |
1346 | ||
1347 | if (nflavours >= cmd->nflavours) | |
1348 | return -1; | |
1349 | ||
1350 | bfd_seek (abfd, command->offset + offset, SEEK_SET); | |
1351 | ||
1352 | if (bfd_bread ((PTR) buf, 8, abfd) != 8) | |
1353 | return -1; | |
1354 | ||
1355 | cmd->flavours[nflavours].flavour = bfd_h_get_32 (abfd, buf); | |
1356 | cmd->flavours[nflavours].offset = command->offset + offset + 8; | |
1357 | cmd->flavours[nflavours].size = bfd_h_get_32 (abfd, buf + 4) * 4; | |
1358 | offset += cmd->flavours[nflavours].size + 8; | |
1359 | nflavours++; | |
1360 | } | |
1361 | ||
1362 | for (i = 0; i < nflavours; i++) | |
1363 | { | |
1364 | asection *bfdsec; | |
1365 | unsigned int snamelen; | |
1366 | char *sname; | |
1367 | const char *flavourstr; | |
1368 | const char *prefix = "LC_THREAD"; | |
a95a4550 AM |
1369 | unsigned int j = 0; |
1370 | ||
3af9a47b NC |
1371 | switch (mdata->header.cputype) |
1372 | { | |
1373 | case BFD_MACH_O_CPU_TYPE_POWERPC: | |
1e8a024a | 1374 | case BFD_MACH_O_CPU_TYPE_POWERPC_64: |
3af9a47b NC |
1375 | flavourstr = bfd_mach_o_ppc_flavour_string (cmd->flavours[i].flavour); |
1376 | break; | |
1377 | case BFD_MACH_O_CPU_TYPE_I386: | |
1e8a024a | 1378 | case BFD_MACH_O_CPU_TYPE_X86_64: |
3af9a47b NC |
1379 | flavourstr = bfd_mach_o_i386_flavour_string (cmd->flavours[i].flavour); |
1380 | break; | |
1381 | default: | |
1382 | flavourstr = "UNKNOWN_ARCHITECTURE"; | |
1383 | break; | |
1384 | } | |
a95a4550 | 1385 | |
3af9a47b | 1386 | snamelen = strlen (prefix) + 1 + 20 + 1 + strlen (flavourstr) + 1; |
116c20d2 | 1387 | sname = bfd_alloc (abfd, snamelen); |
3af9a47b NC |
1388 | if (sname == NULL) |
1389 | return -1; | |
1390 | ||
1391 | for (;;) | |
1392 | { | |
a95a4550 AM |
1393 | sprintf (sname, "%s.%s.%u", prefix, flavourstr, j); |
1394 | if (bfd_get_section_by_name (abfd, sname) == NULL) | |
3af9a47b | 1395 | break; |
a95a4550 | 1396 | j++; |
3af9a47b NC |
1397 | } |
1398 | ||
117ed4f8 | 1399 | bfdsec = bfd_make_section_with_flags (abfd, sname, SEC_HAS_CONTENTS); |
a95a4550 | 1400 | |
3af9a47b NC |
1401 | bfdsec->vma = 0; |
1402 | bfdsec->lma = 0; | |
eea6121a | 1403 | bfdsec->size = cmd->flavours[i].size; |
3af9a47b NC |
1404 | bfdsec->filepos = cmd->flavours[i].offset; |
1405 | bfdsec->alignment_power = 0x0; | |
3af9a47b NC |
1406 | |
1407 | cmd->section = bfdsec; | |
1408 | } | |
1409 | ||
1410 | return 0; | |
1411 | } | |
1412 | ||
a95a4550 | 1413 | static int |
116c20d2 | 1414 | bfd_mach_o_scan_read_dysymtab (bfd *abfd, bfd_mach_o_load_command *command) |
3af9a47b NC |
1415 | { |
1416 | bfd_mach_o_dysymtab_command *seg = &command->command.dysymtab; | |
1417 | unsigned char buf[72]; | |
1418 | ||
1419 | BFD_ASSERT (command->type == BFD_MACH_O_LC_DYSYMTAB); | |
1420 | ||
1421 | bfd_seek (abfd, command->offset + 8, SEEK_SET); | |
1422 | if (bfd_bread ((PTR) buf, 72, abfd) != 72) | |
1423 | return -1; | |
1424 | ||
1425 | seg->ilocalsym = bfd_h_get_32 (abfd, buf + 0); | |
1426 | seg->nlocalsym = bfd_h_get_32 (abfd, buf + 4); | |
1427 | seg->iextdefsym = bfd_h_get_32 (abfd, buf + 8); | |
1428 | seg->nextdefsym = bfd_h_get_32 (abfd, buf + 12); | |
1429 | seg->iundefsym = bfd_h_get_32 (abfd, buf + 16); | |
1430 | seg->nundefsym = bfd_h_get_32 (abfd, buf + 20); | |
1431 | seg->tocoff = bfd_h_get_32 (abfd, buf + 24); | |
1432 | seg->ntoc = bfd_h_get_32 (abfd, buf + 28); | |
1433 | seg->modtaboff = bfd_h_get_32 (abfd, buf + 32); | |
1434 | seg->nmodtab = bfd_h_get_32 (abfd, buf + 36); | |
1435 | seg->extrefsymoff = bfd_h_get_32 (abfd, buf + 40); | |
1436 | seg->nextrefsyms = bfd_h_get_32 (abfd, buf + 44); | |
1437 | seg->indirectsymoff = bfd_h_get_32 (abfd, buf + 48); | |
1438 | seg->nindirectsyms = bfd_h_get_32 (abfd, buf + 52); | |
1439 | seg->extreloff = bfd_h_get_32 (abfd, buf + 56); | |
1440 | seg->nextrel = bfd_h_get_32 (abfd, buf + 60); | |
1441 | seg->locreloff = bfd_h_get_32 (abfd, buf + 64); | |
1442 | seg->nlocrel = bfd_h_get_32 (abfd, buf + 68); | |
1443 | ||
1444 | return 0; | |
1445 | } | |
1446 | ||
a95a4550 | 1447 | static int |
116c20d2 | 1448 | bfd_mach_o_scan_read_symtab (bfd *abfd, bfd_mach_o_load_command *command) |
3af9a47b NC |
1449 | { |
1450 | bfd_mach_o_symtab_command *seg = &command->command.symtab; | |
1451 | unsigned char buf[16]; | |
1452 | asection *bfdsec; | |
1453 | char *sname; | |
1454 | const char *prefix = "LC_SYMTAB.stabs"; | |
1e8a024a | 1455 | int nlist_size = (bfd_mach_o_version (abfd) > 1) ? 16 : 12; |
3af9a47b NC |
1456 | |
1457 | BFD_ASSERT (command->type == BFD_MACH_O_LC_SYMTAB); | |
1458 | ||
1459 | bfd_seek (abfd, command->offset + 8, SEEK_SET); | |
1460 | if (bfd_bread ((PTR) buf, 16, abfd) != 16) | |
1461 | return -1; | |
a95a4550 | 1462 | |
3af9a47b NC |
1463 | seg->symoff = bfd_h_get_32 (abfd, buf); |
1464 | seg->nsyms = bfd_h_get_32 (abfd, buf + 4); | |
1465 | seg->stroff = bfd_h_get_32 (abfd, buf + 8); | |
1466 | seg->strsize = bfd_h_get_32 (abfd, buf + 12); | |
1467 | seg->symbols = NULL; | |
1468 | seg->strtab = NULL; | |
1469 | ||
116c20d2 | 1470 | sname = bfd_alloc (abfd, strlen (prefix) + 1); |
3af9a47b NC |
1471 | if (sname == NULL) |
1472 | return -1; | |
1473 | strcpy (sname, prefix); | |
1474 | ||
117ed4f8 | 1475 | bfdsec = bfd_make_section_anyway_with_flags (abfd, sname, SEC_HAS_CONTENTS); |
3af9a47b NC |
1476 | if (bfdsec == NULL) |
1477 | return -1; | |
a95a4550 | 1478 | |
3af9a47b NC |
1479 | bfdsec->vma = 0; |
1480 | bfdsec->lma = 0; | |
1e8a024a | 1481 | bfdsec->size = seg->nsyms * nlist_size; |
3af9a47b NC |
1482 | bfdsec->filepos = seg->symoff; |
1483 | bfdsec->alignment_power = 0; | |
3af9a47b NC |
1484 | |
1485 | seg->stabs_segment = bfdsec; | |
1486 | ||
15e1c58a TG |
1487 | if (seg->nsyms != 0) |
1488 | abfd->flags |= HAS_SYMS; | |
1489 | ||
3af9a47b | 1490 | prefix = "LC_SYMTAB.stabstr"; |
116c20d2 | 1491 | sname = bfd_alloc (abfd, strlen (prefix) + 1); |
3af9a47b NC |
1492 | if (sname == NULL) |
1493 | return -1; | |
1494 | strcpy (sname, prefix); | |
1495 | ||
117ed4f8 | 1496 | bfdsec = bfd_make_section_anyway_with_flags (abfd, sname, SEC_HAS_CONTENTS); |
3af9a47b NC |
1497 | if (bfdsec == NULL) |
1498 | return -1; | |
a95a4550 | 1499 | |
3af9a47b NC |
1500 | bfdsec->vma = 0; |
1501 | bfdsec->lma = 0; | |
eea6121a | 1502 | bfdsec->size = seg->strsize; |
3af9a47b NC |
1503 | bfdsec->filepos = seg->stroff; |
1504 | bfdsec->alignment_power = 0; | |
3af9a47b NC |
1505 | |
1506 | seg->stabstr_segment = bfdsec; | |
1507 | ||
1508 | return 0; | |
1509 | } | |
1510 | ||
15e1c58a TG |
1511 | static int |
1512 | bfd_mach_o_scan_read_uuid (bfd *abfd, bfd_mach_o_load_command *command) | |
1513 | { | |
1514 | bfd_mach_o_uuid_command *cmd = &command->command.uuid; | |
1515 | asection *bfdsec; | |
1516 | char *sname; | |
1517 | static const char prefix[] = "LC_UUID"; | |
1518 | ||
1519 | BFD_ASSERT (command->type == BFD_MACH_O_LC_UUID); | |
1520 | ||
1521 | bfd_seek (abfd, command->offset + 8, SEEK_SET); | |
1522 | if (bfd_bread ((PTR) cmd->uuid, 16, abfd) != 16) | |
1523 | return -1; | |
1524 | ||
1525 | sname = bfd_alloc (abfd, strlen (prefix) + 1); | |
1526 | if (sname == NULL) | |
1527 | return -1; | |
1528 | strcpy (sname, prefix); | |
1529 | ||
1530 | bfdsec = bfd_make_section_anyway_with_flags (abfd, sname, SEC_HAS_CONTENTS); | |
1531 | if (bfdsec == NULL) | |
1532 | return -1; | |
1533 | ||
1534 | bfdsec->vma = 0; | |
1535 | bfdsec->lma = 0; | |
1536 | bfdsec->size = command->len - 8; | |
1537 | bfdsec->filepos = command->offset + 8; | |
1538 | bfdsec->alignment_power = 0; | |
1539 | ||
1540 | cmd->section = bfdsec; | |
1541 | ||
1542 | return 0; | |
1543 | } | |
1544 | ||
3af9a47b | 1545 | static int |
1e8a024a TG |
1546 | bfd_mach_o_scan_read_segment (bfd *abfd, |
1547 | bfd_mach_o_load_command *command, | |
1548 | unsigned int wide) | |
3af9a47b | 1549 | { |
1e8a024a | 1550 | unsigned char buf[64]; |
3af9a47b NC |
1551 | bfd_mach_o_segment_command *seg = &command->command.segment; |
1552 | unsigned long i; | |
1553 | asection *bfdsec; | |
1554 | char *sname; | |
1555 | const char *prefix = "LC_SEGMENT"; | |
1556 | unsigned int snamelen; | |
a95a4550 | 1557 | |
1e8a024a TG |
1558 | if (wide) |
1559 | { | |
1560 | BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT_64); | |
3af9a47b | 1561 | |
1e8a024a TG |
1562 | bfd_seek (abfd, command->offset + 8, SEEK_SET); |
1563 | if (bfd_bread ((PTR) buf, 64, abfd) != 64) | |
1564 | return -1; | |
3af9a47b | 1565 | |
1e8a024a | 1566 | memcpy (seg->segname, buf, 16); |
15e1c58a | 1567 | seg->segname[16] = '\0'; |
1e8a024a TG |
1568 | |
1569 | seg->vmaddr = bfd_h_get_64 (abfd, buf + 16); | |
1570 | seg->vmsize = bfd_h_get_64 (abfd, buf + 24); | |
1571 | seg->fileoff = bfd_h_get_64 (abfd, buf + 32); | |
1572 | seg->filesize = bfd_h_get_64 (abfd, buf + 40); | |
1573 | seg->maxprot = bfd_h_get_32 (abfd, buf + 48); | |
1574 | seg->initprot = bfd_h_get_32 (abfd, buf + 52); | |
1575 | seg->nsects = bfd_h_get_32 (abfd, buf + 56); | |
1576 | seg->flags = bfd_h_get_32 (abfd, buf + 60); | |
1577 | } | |
1578 | else | |
1579 | { | |
1580 | BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT); | |
1581 | ||
1582 | bfd_seek (abfd, command->offset + 8, SEEK_SET); | |
1583 | if (bfd_bread ((PTR) buf, 48, abfd) != 48) | |
1584 | return -1; | |
1585 | ||
1586 | memcpy (seg->segname, buf, 16); | |
15e1c58a | 1587 | seg->segname[16] = '\0'; |
1e8a024a TG |
1588 | |
1589 | seg->vmaddr = bfd_h_get_32 (abfd, buf + 16); | |
1590 | seg->vmsize = bfd_h_get_32 (abfd, buf + 20); | |
1591 | seg->fileoff = bfd_h_get_32 (abfd, buf + 24); | |
1592 | seg->filesize = bfd_h_get_32 (abfd, buf + 28); | |
1593 | seg->maxprot = bfd_h_get_32 (abfd, buf + 32); | |
1594 | seg->initprot = bfd_h_get_32 (abfd, buf + 36); | |
1595 | seg->nsects = bfd_h_get_32 (abfd, buf + 40); | |
1596 | seg->flags = bfd_h_get_32 (abfd, buf + 44); | |
1597 | } | |
3af9a47b NC |
1598 | |
1599 | snamelen = strlen (prefix) + 1 + strlen (seg->segname) + 1; | |
116c20d2 | 1600 | sname = bfd_alloc (abfd, snamelen); |
3af9a47b NC |
1601 | if (sname == NULL) |
1602 | return -1; | |
846b9259 TG |
1603 | if (strcmp (seg->segname, "__TEXT") == 0 |
1604 | || strcmp (seg->segname, "__DATA") == 0 | |
1605 | || strcmp (seg->segname, "__IMPORT") == 0 | |
1606 | || strcmp (seg->segname, "__LINKEDIT") == 0) | |
1607 | strcpy (sname, seg->segname); | |
1608 | else | |
1609 | sprintf (sname, "%s.%s", prefix, seg->segname); | |
3af9a47b | 1610 | |
1e8a024a | 1611 | bfdsec = bfd_make_section_anyway (abfd, sname); |
3af9a47b NC |
1612 | if (bfdsec == NULL) |
1613 | return -1; | |
1614 | ||
1615 | bfdsec->vma = seg->vmaddr; | |
1616 | bfdsec->lma = seg->vmaddr; | |
eea6121a | 1617 | bfdsec->size = seg->filesize; |
3af9a47b NC |
1618 | bfdsec->filepos = seg->fileoff; |
1619 | bfdsec->alignment_power = 0x0; | |
15e1c58a | 1620 | bfdsec->flags = SEC_HAS_CONTENTS; |
1e8a024a | 1621 | bfdsec->segment_mark = 1; |
3af9a47b NC |
1622 | |
1623 | seg->segment = bfdsec; | |
1624 | ||
1625 | if (seg->nsects != 0) | |
1626 | { | |
116c20d2 | 1627 | seg->sections = bfd_alloc (abfd, seg->nsects * sizeof (bfd_mach_o_section)); |
3af9a47b NC |
1628 | if (seg->sections == NULL) |
1629 | return -1; | |
a95a4550 | 1630 | |
3af9a47b NC |
1631 | for (i = 0; i < seg->nsects; i++) |
1632 | { | |
1e8a024a TG |
1633 | bfd_vma segoff; |
1634 | if (wide) | |
1635 | segoff = command->offset + 64 + 8 + (i * 80); | |
1636 | else | |
1637 | segoff = command->offset + 48 + 8 + (i * 68); | |
3af9a47b | 1638 | |
1e8a024a | 1639 | if (bfd_mach_o_scan_read_section |
15e1c58a | 1640 | (abfd, &seg->sections[i], segoff, seg->initprot, wide) != 0) |
3af9a47b | 1641 | return -1; |
a95a4550 | 1642 | } |
3af9a47b NC |
1643 | } |
1644 | ||
1645 | return 0; | |
1646 | } | |
1647 | ||
1e8a024a TG |
1648 | static int |
1649 | bfd_mach_o_scan_read_segment_32 (bfd *abfd, bfd_mach_o_load_command *command) | |
1650 | { | |
1651 | return bfd_mach_o_scan_read_segment (abfd, command, 0); | |
1652 | } | |
1653 | ||
1654 | static int | |
1655 | bfd_mach_o_scan_read_segment_64 (bfd *abfd, bfd_mach_o_load_command *command) | |
1656 | { | |
1657 | return bfd_mach_o_scan_read_segment (abfd, command, 1); | |
1658 | } | |
1659 | ||
3af9a47b | 1660 | static int |
116c20d2 | 1661 | bfd_mach_o_scan_read_command (bfd *abfd, bfd_mach_o_load_command *command) |
3af9a47b NC |
1662 | { |
1663 | unsigned char buf[8]; | |
1664 | ||
1665 | bfd_seek (abfd, command->offset, SEEK_SET); | |
1666 | if (bfd_bread ((PTR) buf, 8, abfd) != 8) | |
1667 | return -1; | |
1668 | ||
1669 | command->type = (bfd_h_get_32 (abfd, buf) & ~BFD_MACH_O_LC_REQ_DYLD); | |
e84d6fca AM |
1670 | command->type_required = (bfd_h_get_32 (abfd, buf) & BFD_MACH_O_LC_REQ_DYLD |
1671 | ? 1 : 0); | |
3af9a47b NC |
1672 | command->len = bfd_h_get_32 (abfd, buf + 4); |
1673 | ||
1674 | switch (command->type) | |
1675 | { | |
1676 | case BFD_MACH_O_LC_SEGMENT: | |
1e8a024a TG |
1677 | if (bfd_mach_o_scan_read_segment_32 (abfd, command) != 0) |
1678 | return -1; | |
1679 | break; | |
1680 | case BFD_MACH_O_LC_SEGMENT_64: | |
1681 | if (bfd_mach_o_scan_read_segment_64 (abfd, command) != 0) | |
3af9a47b NC |
1682 | return -1; |
1683 | break; | |
1684 | case BFD_MACH_O_LC_SYMTAB: | |
1685 | if (bfd_mach_o_scan_read_symtab (abfd, command) != 0) | |
1686 | return -1; | |
1687 | break; | |
1688 | case BFD_MACH_O_LC_SYMSEG: | |
1689 | break; | |
1690 | case BFD_MACH_O_LC_THREAD: | |
1691 | case BFD_MACH_O_LC_UNIXTHREAD: | |
1692 | if (bfd_mach_o_scan_read_thread (abfd, command) != 0) | |
1693 | return -1; | |
1694 | break; | |
1695 | case BFD_MACH_O_LC_LOAD_DYLINKER: | |
1696 | case BFD_MACH_O_LC_ID_DYLINKER: | |
1697 | if (bfd_mach_o_scan_read_dylinker (abfd, command) != 0) | |
1698 | return -1; | |
1699 | break; | |
1700 | case BFD_MACH_O_LC_LOAD_DYLIB: | |
1701 | case BFD_MACH_O_LC_ID_DYLIB: | |
1702 | case BFD_MACH_O_LC_LOAD_WEAK_DYLIB: | |
1703 | if (bfd_mach_o_scan_read_dylib (abfd, command) != 0) | |
1704 | return -1; | |
1705 | break; | |
1706 | case BFD_MACH_O_LC_PREBOUND_DYLIB: | |
1707 | if (bfd_mach_o_scan_read_prebound_dylib (abfd, command) != 0) | |
1708 | return -1; | |
1709 | break; | |
1710 | case BFD_MACH_O_LC_LOADFVMLIB: | |
1711 | case BFD_MACH_O_LC_IDFVMLIB: | |
1712 | case BFD_MACH_O_LC_IDENT: | |
1713 | case BFD_MACH_O_LC_FVMFILE: | |
1714 | case BFD_MACH_O_LC_PREPAGE: | |
1715 | case BFD_MACH_O_LC_ROUTINES: | |
1716 | case BFD_MACH_O_LC_SUB_FRAMEWORK: | |
1717 | break; | |
1718 | case BFD_MACH_O_LC_DYSYMTAB: | |
1719 | if (bfd_mach_o_scan_read_dysymtab (abfd, command) != 0) | |
1720 | return -1; | |
1721 | break; | |
1722 | case BFD_MACH_O_LC_SUB_UMBRELLA: | |
1723 | case BFD_MACH_O_LC_SUB_CLIENT: | |
1724 | case BFD_MACH_O_LC_SUB_LIBRARY: | |
1725 | case BFD_MACH_O_LC_TWOLEVEL_HINTS: | |
1726 | case BFD_MACH_O_LC_PREBIND_CKSUM: | |
1727 | break; | |
15e1c58a TG |
1728 | case BFD_MACH_O_LC_UUID: |
1729 | if (bfd_mach_o_scan_read_uuid (abfd, command) != 0) | |
1730 | return -1; | |
1731 | break; | |
1732 | case BFD_MACH_O_LC_CODE_SIGNATURE: | |
846b9259 TG |
1733 | case BFD_MACH_O_LC_SEGMENT_SPLIT_INFO: |
1734 | case BFD_MACH_O_LC_REEXPORT_DYLIB: | |
15e1c58a | 1735 | break; |
3af9a47b NC |
1736 | default: |
1737 | fprintf (stderr, "unable to read unknown load command 0x%lx\n", | |
1738 | (unsigned long) command->type); | |
1739 | break; | |
1740 | } | |
1741 | ||
1742 | return 0; | |
1743 | } | |
1744 | ||
1745 | static void | |
116c20d2 | 1746 | bfd_mach_o_flatten_sections (bfd *abfd) |
3af9a47b NC |
1747 | { |
1748 | bfd_mach_o_data_struct *mdata = abfd->tdata.mach_o_data; | |
1749 | long csect = 0; | |
1750 | unsigned long i, j; | |
a95a4550 | 1751 | |
15e1c58a | 1752 | /* Count total number of sections. */ |
3af9a47b NC |
1753 | mdata->nsects = 0; |
1754 | ||
1755 | for (i = 0; i < mdata->header.ncmds; i++) | |
1756 | { | |
1e8a024a TG |
1757 | if (mdata->commands[i].type == BFD_MACH_O_LC_SEGMENT |
1758 | || mdata->commands[i].type == BFD_MACH_O_LC_SEGMENT_64) | |
3af9a47b | 1759 | { |
e84d6fca AM |
1760 | bfd_mach_o_segment_command *seg; |
1761 | ||
1762 | seg = &mdata->commands[i].command.segment; | |
3af9a47b NC |
1763 | mdata->nsects += seg->nsects; |
1764 | } | |
1765 | } | |
1766 | ||
15e1c58a | 1767 | /* Allocate sections array. */ |
e84d6fca AM |
1768 | mdata->sections = bfd_alloc (abfd, |
1769 | mdata->nsects * sizeof (bfd_mach_o_section *)); | |
15e1c58a TG |
1770 | |
1771 | /* Fill the array. */ | |
3af9a47b NC |
1772 | csect = 0; |
1773 | ||
1774 | for (i = 0; i < mdata->header.ncmds; i++) | |
1775 | { | |
1e8a024a TG |
1776 | if (mdata->commands[i].type == BFD_MACH_O_LC_SEGMENT |
1777 | || mdata->commands[i].type == BFD_MACH_O_LC_SEGMENT_64) | |
3af9a47b | 1778 | { |
e84d6fca | 1779 | bfd_mach_o_segment_command *seg; |
3af9a47b | 1780 | |
e84d6fca | 1781 | seg = &mdata->commands[i].command.segment; |
3af9a47b NC |
1782 | BFD_ASSERT (csect + seg->nsects <= mdata->nsects); |
1783 | ||
1784 | for (j = 0; j < seg->nsects; j++) | |
1785 | mdata->sections[csect++] = &seg->sections[j]; | |
1786 | } | |
1787 | } | |
1788 | } | |
1789 | ||
1790 | int | |
116c20d2 | 1791 | bfd_mach_o_scan_start_address (bfd *abfd) |
3af9a47b NC |
1792 | { |
1793 | bfd_mach_o_data_struct *mdata = abfd->tdata.mach_o_data; | |
1794 | bfd_mach_o_thread_command *cmd = NULL; | |
1795 | unsigned long i; | |
1796 | ||
1797 | for (i = 0; i < mdata->header.ncmds; i++) | |
1798 | { | |
1799 | if ((mdata->commands[i].type == BFD_MACH_O_LC_THREAD) || | |
1800 | (mdata->commands[i].type == BFD_MACH_O_LC_UNIXTHREAD)) | |
1801 | { | |
1802 | if (cmd == NULL) | |
1803 | cmd = &mdata->commands[i].command.thread; | |
1804 | else | |
1805 | return 0; | |
1806 | } | |
1807 | } | |
1808 | ||
1809 | if (cmd == NULL) | |
1810 | return 0; | |
1811 | ||
1812 | for (i = 0; i < cmd->nflavours; i++) | |
1813 | { | |
a95a4550 | 1814 | if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_I386) |
e84d6fca | 1815 | && (cmd->flavours[i].flavour |
15e1c58a | 1816 | == (unsigned long) BFD_MACH_O_x86_THREAD_STATE32)) |
3af9a47b NC |
1817 | { |
1818 | unsigned char buf[4]; | |
1819 | ||
1820 | bfd_seek (abfd, cmd->flavours[i].offset + 40, SEEK_SET); | |
1821 | ||
1822 | if (bfd_bread (buf, 4, abfd) != 4) | |
1823 | return -1; | |
1824 | ||
1825 | abfd->start_address = bfd_h_get_32 (abfd, buf); | |
1826 | } | |
a95a4550 | 1827 | else if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_POWERPC) |
3af9a47b NC |
1828 | && (cmd->flavours[i].flavour == BFD_MACH_O_PPC_THREAD_STATE)) |
1829 | { | |
1830 | unsigned char buf[4]; | |
1831 | ||
1832 | bfd_seek (abfd, cmd->flavours[i].offset + 0, SEEK_SET); | |
1833 | ||
1834 | if (bfd_bread (buf, 4, abfd) != 4) | |
1835 | return -1; | |
1836 | ||
1837 | abfd->start_address = bfd_h_get_32 (abfd, buf); | |
1838 | } | |
1e8a024a TG |
1839 | else if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_POWERPC_64) |
1840 | && (cmd->flavours[i].flavour == BFD_MACH_O_PPC_THREAD_STATE_64)) | |
1841 | { | |
1842 | unsigned char buf[8]; | |
1843 | ||
1844 | bfd_seek (abfd, cmd->flavours[i].offset + 0, SEEK_SET); | |
1845 | ||
1846 | if (bfd_bread (buf, 8, abfd) != 8) | |
1847 | return -1; | |
1848 | ||
1849 | abfd->start_address = bfd_h_get_64 (abfd, buf); | |
1850 | } | |
1851 | else if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_X86_64) | |
1852 | && (cmd->flavours[i].flavour == BFD_MACH_O_x86_THREAD_STATE64)) | |
1853 | { | |
1854 | unsigned char buf[8]; | |
1855 | ||
1856 | bfd_seek (abfd, cmd->flavours[i].offset + (16 * 8), SEEK_SET); | |
1857 | ||
1858 | if (bfd_bread (buf, 8, abfd) != 8) | |
1859 | return -1; | |
1860 | ||
1861 | abfd->start_address = bfd_h_get_64 (abfd, buf); | |
1862 | } | |
3af9a47b NC |
1863 | } |
1864 | ||
1865 | return 0; | |
1866 | } | |
1867 | ||
1868 | int | |
116c20d2 NC |
1869 | bfd_mach_o_scan (bfd *abfd, |
1870 | bfd_mach_o_header *header, | |
1871 | bfd_mach_o_data_struct *mdata) | |
3af9a47b NC |
1872 | { |
1873 | unsigned int i; | |
3af9a47b NC |
1874 | enum bfd_architecture cputype; |
1875 | unsigned long cpusubtype; | |
1e8a024a TG |
1876 | unsigned int hdrsize; |
1877 | ||
1878 | hdrsize = (header->version == 2) ? 32 : 28; | |
3af9a47b | 1879 | |
3af9a47b NC |
1880 | mdata->header = *header; |
1881 | mdata->symbols = NULL; | |
1882 | ||
15e1c58a TG |
1883 | abfd->flags = abfd->flags & (BFD_IN_MEMORY | BFD_IO_FUNCS); |
1884 | switch (header->filetype) | |
1885 | { | |
1886 | case BFD_MACH_O_MH_OBJECT: | |
1887 | abfd->flags |= HAS_RELOC; | |
1888 | break; | |
1889 | case BFD_MACH_O_MH_EXECUTE: | |
1890 | abfd->flags |= EXEC_P; | |
1891 | break; | |
1892 | case BFD_MACH_O_MH_DYLIB: | |
1893 | case BFD_MACH_O_MH_BUNDLE: | |
1894 | abfd->flags |= DYNAMIC; | |
1895 | break; | |
1896 | } | |
1897 | ||
3af9a47b NC |
1898 | abfd->tdata.mach_o_data = mdata; |
1899 | ||
e84d6fca AM |
1900 | bfd_mach_o_convert_architecture (header->cputype, header->cpusubtype, |
1901 | &cputype, &cpusubtype); | |
3af9a47b NC |
1902 | if (cputype == bfd_arch_unknown) |
1903 | { | |
1904 | fprintf (stderr, "bfd_mach_o_scan: unknown architecture 0x%lx/0x%lx\n", | |
1905 | header->cputype, header->cpusubtype); | |
1906 | return -1; | |
1907 | } | |
1908 | ||
1909 | bfd_set_arch_mach (abfd, cputype, cpusubtype); | |
a95a4550 | 1910 | |
3af9a47b NC |
1911 | if (header->ncmds != 0) |
1912 | { | |
116c20d2 | 1913 | mdata->commands = bfd_alloc (abfd, header->ncmds * sizeof (bfd_mach_o_load_command)); |
3af9a47b NC |
1914 | if (mdata->commands == NULL) |
1915 | return -1; | |
a95a4550 | 1916 | |
3af9a47b NC |
1917 | for (i = 0; i < header->ncmds; i++) |
1918 | { | |
1919 | bfd_mach_o_load_command *cur = &mdata->commands[i]; | |
1920 | ||
1921 | if (i == 0) | |
1e8a024a | 1922 | cur->offset = hdrsize; |
3af9a47b NC |
1923 | else |
1924 | { | |
1925 | bfd_mach_o_load_command *prev = &mdata->commands[i - 1]; | |
1926 | cur->offset = prev->offset + prev->len; | |
1927 | } | |
1928 | ||
1929 | if (bfd_mach_o_scan_read_command (abfd, cur) < 0) | |
1930 | return -1; | |
a95a4550 | 1931 | } |
3af9a47b NC |
1932 | } |
1933 | ||
1934 | if (bfd_mach_o_scan_start_address (abfd) < 0) | |
7e3102a7 | 1935 | return -1; |
3af9a47b NC |
1936 | |
1937 | bfd_mach_o_flatten_sections (abfd); | |
3af9a47b NC |
1938 | return 0; |
1939 | } | |
1940 | ||
b34976b6 | 1941 | bfd_boolean |
116c20d2 | 1942 | bfd_mach_o_mkobject (bfd *abfd) |
3af9a47b NC |
1943 | { |
1944 | bfd_mach_o_data_struct *mdata = NULL; | |
1945 | ||
116c20d2 | 1946 | mdata = bfd_alloc (abfd, sizeof (bfd_mach_o_data_struct)); |
3af9a47b | 1947 | if (mdata == NULL) |
b34976b6 | 1948 | return FALSE; |
3af9a47b NC |
1949 | abfd->tdata.mach_o_data = mdata; |
1950 | ||
1951 | mdata->header.magic = 0; | |
1952 | mdata->header.cputype = 0; | |
1953 | mdata->header.cpusubtype = 0; | |
1954 | mdata->header.filetype = 0; | |
1955 | mdata->header.ncmds = 0; | |
1956 | mdata->header.sizeofcmds = 0; | |
1957 | mdata->header.flags = 0; | |
1958 | mdata->header.byteorder = BFD_ENDIAN_UNKNOWN; | |
1959 | mdata->commands = NULL; | |
1960 | mdata->nsymbols = 0; | |
1961 | mdata->symbols = NULL; | |
1962 | mdata->nsects = 0; | |
1963 | mdata->sections = NULL; | |
1964 | mdata->ibfd = NULL; | |
1965 | ||
b34976b6 | 1966 | return TRUE; |
3af9a47b NC |
1967 | } |
1968 | ||
1969 | const bfd_target * | |
116c20d2 | 1970 | bfd_mach_o_object_p (bfd *abfd) |
3af9a47b | 1971 | { |
e84d6fca | 1972 | struct bfd_preserve preserve; |
3af9a47b NC |
1973 | bfd_mach_o_header header; |
1974 | ||
e84d6fca | 1975 | preserve.marker = NULL; |
3af9a47b | 1976 | if (bfd_mach_o_read_header (abfd, &header) != 0) |
e84d6fca | 1977 | goto wrong; |
3af9a47b | 1978 | |
e84d6fca AM |
1979 | if (! (header.byteorder == BFD_ENDIAN_BIG |
1980 | || header.byteorder == BFD_ENDIAN_LITTLE)) | |
3af9a47b | 1981 | { |
e84d6fca | 1982 | fprintf (stderr, "unknown header byte-order value 0x%lx\n", |
0af1713e | 1983 | (unsigned long) header.byteorder); |
e84d6fca | 1984 | goto wrong; |
3af9a47b NC |
1985 | } |
1986 | ||
e84d6fca AM |
1987 | if (! ((header.byteorder == BFD_ENDIAN_BIG |
1988 | && abfd->xvec->byteorder == BFD_ENDIAN_BIG | |
1989 | && abfd->xvec->header_byteorder == BFD_ENDIAN_BIG) | |
1990 | || (header.byteorder == BFD_ENDIAN_LITTLE | |
1991 | && abfd->xvec->byteorder == BFD_ENDIAN_LITTLE | |
1992 | && abfd->xvec->header_byteorder == BFD_ENDIAN_LITTLE))) | |
1993 | goto wrong; | |
3af9a47b | 1994 | |
e84d6fca AM |
1995 | preserve.marker = bfd_zalloc (abfd, sizeof (bfd_mach_o_data_struct)); |
1996 | if (preserve.marker == NULL | |
1997 | || !bfd_preserve_save (abfd, &preserve)) | |
1998 | goto fail; | |
3af9a47b | 1999 | |
e84d6fca AM |
2000 | if (bfd_mach_o_scan (abfd, &header, |
2001 | (bfd_mach_o_data_struct *) preserve.marker) != 0) | |
2002 | goto wrong; | |
a95a4550 | 2003 | |
e84d6fca | 2004 | bfd_preserve_finish (abfd, &preserve); |
3af9a47b | 2005 | return abfd->xvec; |
e84d6fca AM |
2006 | |
2007 | wrong: | |
2008 | bfd_set_error (bfd_error_wrong_format); | |
2009 | ||
2010 | fail: | |
2011 | if (preserve.marker != NULL) | |
2012 | bfd_preserve_restore (abfd, &preserve); | |
2013 | return NULL; | |
3af9a47b NC |
2014 | } |
2015 | ||
2016 | const bfd_target * | |
116c20d2 | 2017 | bfd_mach_o_core_p (bfd *abfd) |
3af9a47b | 2018 | { |
e84d6fca | 2019 | struct bfd_preserve preserve; |
3af9a47b NC |
2020 | bfd_mach_o_header header; |
2021 | ||
e84d6fca | 2022 | preserve.marker = NULL; |
3af9a47b | 2023 | if (bfd_mach_o_read_header (abfd, &header) != 0) |
e84d6fca | 2024 | goto wrong; |
3af9a47b | 2025 | |
e84d6fca AM |
2026 | if (! (header.byteorder == BFD_ENDIAN_BIG |
2027 | || header.byteorder == BFD_ENDIAN_LITTLE)) | |
3af9a47b | 2028 | { |
e84d6fca | 2029 | fprintf (stderr, "unknown header byte-order value 0x%lx\n", |
0af1713e | 2030 | (unsigned long) header.byteorder); |
3af9a47b NC |
2031 | abort (); |
2032 | } | |
2033 | ||
e84d6fca AM |
2034 | if (! ((header.byteorder == BFD_ENDIAN_BIG |
2035 | && abfd->xvec->byteorder == BFD_ENDIAN_BIG | |
2036 | && abfd->xvec->header_byteorder == BFD_ENDIAN_BIG) | |
2037 | || (header.byteorder == BFD_ENDIAN_LITTLE | |
2038 | && abfd->xvec->byteorder == BFD_ENDIAN_LITTLE | |
2039 | && abfd->xvec->header_byteorder == BFD_ENDIAN_LITTLE))) | |
2040 | goto wrong; | |
3af9a47b NC |
2041 | |
2042 | if (header.filetype != BFD_MACH_O_MH_CORE) | |
e84d6fca | 2043 | goto wrong; |
3af9a47b | 2044 | |
e84d6fca AM |
2045 | preserve.marker = bfd_zalloc (abfd, sizeof (bfd_mach_o_data_struct)); |
2046 | if (preserve.marker == NULL | |
2047 | || !bfd_preserve_save (abfd, &preserve)) | |
2048 | goto fail; | |
a95a4550 | 2049 | |
e84d6fca AM |
2050 | if (bfd_mach_o_scan (abfd, &header, |
2051 | (bfd_mach_o_data_struct *) preserve.marker) != 0) | |
2052 | goto wrong; | |
2053 | ||
2054 | bfd_preserve_finish (abfd, &preserve); | |
3af9a47b | 2055 | return abfd->xvec; |
e84d6fca AM |
2056 | |
2057 | wrong: | |
2058 | bfd_set_error (bfd_error_wrong_format); | |
2059 | ||
2060 | fail: | |
2061 | if (preserve.marker != NULL) | |
2062 | bfd_preserve_restore (abfd, &preserve); | |
2063 | return NULL; | |
3af9a47b NC |
2064 | } |
2065 | ||
2066 | typedef struct mach_o_fat_archentry | |
2067 | { | |
2068 | unsigned long cputype; | |
2069 | unsigned long cpusubtype; | |
2070 | unsigned long offset; | |
2071 | unsigned long size; | |
2072 | unsigned long align; | |
3af9a47b NC |
2073 | } mach_o_fat_archentry; |
2074 | ||
2075 | typedef struct mach_o_fat_data_struct | |
2076 | { | |
2077 | unsigned long magic; | |
2078 | unsigned long nfat_arch; | |
2079 | mach_o_fat_archentry *archentries; | |
2080 | } mach_o_fat_data_struct; | |
2081 | ||
2082 | const bfd_target * | |
116c20d2 | 2083 | bfd_mach_o_archive_p (bfd *abfd) |
3af9a47b | 2084 | { |
e84d6fca | 2085 | mach_o_fat_data_struct *adata = NULL; |
3af9a47b NC |
2086 | unsigned char buf[20]; |
2087 | unsigned long i; | |
2088 | ||
2089 | bfd_seek (abfd, 0, SEEK_SET); | |
2090 | if (bfd_bread ((PTR) buf, 8, abfd) != 8) | |
e84d6fca | 2091 | goto error; |
3af9a47b | 2092 | |
116c20d2 | 2093 | adata = bfd_alloc (abfd, sizeof (mach_o_fat_data_struct)); |
3af9a47b | 2094 | if (adata == NULL) |
e84d6fca | 2095 | goto error; |
a95a4550 | 2096 | |
3af9a47b NC |
2097 | adata->magic = bfd_getb32 (buf); |
2098 | adata->nfat_arch = bfd_getb32 (buf + 4); | |
2099 | if (adata->magic != 0xcafebabe) | |
e84d6fca | 2100 | goto error; |
27cc28f9 AS |
2101 | /* Avoid matching Java bytecode files, which have the same magic number. |
2102 | In the Java bytecode file format this field contains the JVM version, | |
2103 | which starts at 43.0. */ | |
2104 | if (adata->nfat_arch > 30) | |
2105 | goto error; | |
3af9a47b | 2106 | |
116c20d2 | 2107 | adata->archentries = |
3af9a47b NC |
2108 | bfd_alloc (abfd, adata->nfat_arch * sizeof (mach_o_fat_archentry)); |
2109 | if (adata->archentries == NULL) | |
e84d6fca | 2110 | goto error; |
3af9a47b NC |
2111 | |
2112 | for (i = 0; i < adata->nfat_arch; i++) | |
2113 | { | |
2114 | bfd_seek (abfd, 8 + 20 * i, SEEK_SET); | |
2115 | ||
2116 | if (bfd_bread ((PTR) buf, 20, abfd) != 20) | |
e84d6fca | 2117 | goto error; |
3af9a47b NC |
2118 | adata->archentries[i].cputype = bfd_getb32 (buf); |
2119 | adata->archentries[i].cpusubtype = bfd_getb32 (buf + 4); | |
2120 | adata->archentries[i].offset = bfd_getb32 (buf + 8); | |
2121 | adata->archentries[i].size = bfd_getb32 (buf + 12); | |
2122 | adata->archentries[i].align = bfd_getb32 (buf + 16); | |
3af9a47b NC |
2123 | } |
2124 | ||
2125 | abfd->tdata.mach_o_fat_data = adata; | |
2126 | return abfd->xvec; | |
e84d6fca AM |
2127 | |
2128 | error: | |
2129 | if (adata != NULL) | |
2130 | bfd_release (abfd, adata); | |
2131 | bfd_set_error (bfd_error_wrong_format); | |
2132 | return NULL; | |
3af9a47b NC |
2133 | } |
2134 | ||
2135 | bfd * | |
116c20d2 | 2136 | bfd_mach_o_openr_next_archived_file (bfd *archive, bfd *prev) |
3af9a47b | 2137 | { |
e84d6fca | 2138 | mach_o_fat_data_struct *adata; |
3af9a47b NC |
2139 | mach_o_fat_archentry *entry = NULL; |
2140 | unsigned long i; | |
15e1c58a | 2141 | bfd *nbfd; |
15e1c58a TG |
2142 | enum bfd_architecture arch_type; |
2143 | unsigned long arch_subtype; | |
3af9a47b | 2144 | |
e84d6fca | 2145 | adata = (mach_o_fat_data_struct *) archive->tdata.mach_o_fat_data; |
3af9a47b NC |
2146 | BFD_ASSERT (adata != NULL); |
2147 | ||
2148 | /* Find index of previous entry. */ | |
2149 | if (prev == NULL) | |
2150 | i = 0; /* Start at first one. */ | |
2151 | else | |
2152 | { | |
2153 | for (i = 0; i < adata->nfat_arch; i++) | |
2154 | { | |
15e1c58a | 2155 | if (adata->archentries[i].offset == prev->origin) |
3af9a47b NC |
2156 | break; |
2157 | } | |
2158 | ||
2159 | if (i == adata->nfat_arch) | |
2160 | { | |
2161 | /* Not found. */ | |
2162 | bfd_set_error (bfd_error_bad_value); | |
a95a4550 | 2163 | return NULL; |
3af9a47b NC |
2164 | } |
2165 | i++; /* Get next entry. */ | |
2166 | } | |
a95a4550 | 2167 | |
3af9a47b NC |
2168 | if (i >= adata->nfat_arch) |
2169 | { | |
2170 | bfd_set_error (bfd_error_no_more_archived_files); | |
2171 | return NULL; | |
2172 | } | |
2173 | ||
2174 | entry = &adata->archentries[i]; | |
15e1c58a TG |
2175 | nbfd = _bfd_new_bfd_contained_in (archive); |
2176 | if (nbfd == NULL) | |
2177 | return NULL; | |
2178 | ||
2179 | nbfd->origin = entry->offset; | |
2180 | ||
2181 | bfd_mach_o_convert_architecture (entry->cputype, entry->cpusubtype, | |
2182 | &arch_type, &arch_subtype); | |
846b9259 TG |
2183 | /* Create the member filename. |
2184 | Use FILENAME:ARCH_NAME. */ | |
2185 | { | |
2186 | char *s = NULL; | |
2187 | const char *arch_name; | |
2188 | size_t arch_file_len = strlen (bfd_get_filename (archive)); | |
2189 | ||
2190 | arch_name = bfd_printable_arch_mach (arch_type, arch_subtype); | |
2191 | s = bfd_malloc (arch_file_len + 1 + strlen (arch_name) + 1); | |
2192 | if (s == NULL) | |
2193 | return NULL; | |
2194 | memcpy (s, bfd_get_filename (archive), arch_file_len); | |
2195 | s[arch_file_len] = ':'; | |
2196 | strcpy (s + arch_file_len + 1, arch_name); | |
2197 | nbfd->filename = s; | |
2198 | } | |
15e1c58a | 2199 | nbfd->iostream = NULL; |
846b9259 | 2200 | bfd_set_arch_mach (nbfd, arch_type, arch_subtype); |
3af9a47b | 2201 | |
15e1c58a | 2202 | return nbfd; |
3af9a47b NC |
2203 | } |
2204 | ||
846b9259 TG |
2205 | /* If ABFD format is FORMAT and architecture is ARCH, return it. |
2206 | If ABFD is a fat image containing a member that corresponds to FORMAT | |
2207 | and ARCH, returns it. | |
2208 | In other case, returns NULL. | |
2209 | This function allows transparent uses of fat images. */ | |
2210 | bfd * | |
2211 | bfd_mach_o_fat_extract (bfd *abfd, | |
2212 | bfd_format format, | |
2213 | const bfd_arch_info_type *arch) | |
2214 | { | |
2215 | bfd *res; | |
2216 | mach_o_fat_data_struct *adata; | |
2217 | unsigned int i; | |
2218 | ||
2219 | if (bfd_check_format (abfd, format)) | |
2220 | { | |
2221 | if (bfd_get_arch_info (abfd) == arch) | |
2222 | return abfd; | |
2223 | return NULL; | |
2224 | } | |
2225 | if (!bfd_check_format (abfd, bfd_archive) | |
2226 | || abfd->xvec != &mach_o_fat_vec) | |
2227 | return NULL; | |
2228 | ||
2229 | /* This is a Mach-O fat image. */ | |
2230 | adata = (mach_o_fat_data_struct *) abfd->tdata.mach_o_fat_data; | |
2231 | BFD_ASSERT (adata != NULL); | |
2232 | ||
2233 | for (i = 0; i < adata->nfat_arch; i++) | |
2234 | { | |
2235 | struct mach_o_fat_archentry *e = &adata->archentries[i]; | |
2236 | enum bfd_architecture cpu_type; | |
2237 | unsigned long cpu_subtype; | |
2238 | ||
2239 | bfd_mach_o_convert_architecture (e->cputype, e->cpusubtype, | |
2240 | &cpu_type, &cpu_subtype); | |
2241 | if (cpu_type != arch->arch || cpu_subtype != arch->mach) | |
2242 | continue; | |
2243 | ||
2244 | /* The architecture is found. */ | |
2245 | res = _bfd_new_bfd_contained_in (abfd); | |
2246 | if (res == NULL) | |
2247 | return NULL; | |
2248 | ||
2249 | res->origin = e->offset; | |
2250 | ||
2251 | res->filename = strdup (abfd->filename); | |
2252 | res->iostream = NULL; | |
2253 | ||
2254 | if (bfd_check_format (res, format)) | |
2255 | { | |
2256 | BFD_ASSERT (bfd_get_arch_info (res) == arch); | |
2257 | return res; | |
2258 | } | |
2259 | bfd_close (res); | |
2260 | return NULL; | |
2261 | } | |
2262 | ||
2263 | return NULL; | |
2264 | } | |
2265 | ||
e84d6fca | 2266 | int |
116c20d2 NC |
2267 | bfd_mach_o_lookup_section (bfd *abfd, |
2268 | asection *section, | |
2269 | bfd_mach_o_load_command **mcommand, | |
2270 | bfd_mach_o_section **msection) | |
3af9a47b NC |
2271 | { |
2272 | struct mach_o_data_struct *md = abfd->tdata.mach_o_data; | |
2273 | unsigned int i, j, num; | |
2274 | ||
2275 | bfd_mach_o_load_command *ncmd = NULL; | |
2276 | bfd_mach_o_section *nsect = NULL; | |
2277 | ||
2278 | BFD_ASSERT (mcommand != NULL); | |
2279 | BFD_ASSERT (msection != NULL); | |
2280 | ||
2281 | num = 0; | |
2282 | for (i = 0; i < md->header.ncmds; i++) | |
2283 | { | |
2284 | struct bfd_mach_o_load_command *cmd = &md->commands[i]; | |
2285 | struct bfd_mach_o_segment_command *seg = NULL; | |
2286 | ||
1e8a024a TG |
2287 | if (cmd->type != BFD_MACH_O_LC_SEGMENT |
2288 | || cmd->type != BFD_MACH_O_LC_SEGMENT_64) | |
3af9a47b NC |
2289 | continue; |
2290 | seg = &cmd->command.segment; | |
a95a4550 | 2291 | |
3af9a47b NC |
2292 | if (seg->segment == section) |
2293 | { | |
2294 | if (num == 0) | |
2295 | ncmd = cmd; | |
2296 | num++; | |
2297 | } | |
2298 | ||
2299 | for (j = 0; j < seg->nsects; j++) | |
2300 | { | |
2301 | struct bfd_mach_o_section *sect = &seg->sections[j]; | |
2302 | ||
2303 | if (sect->bfdsection == section) | |
2304 | { | |
2305 | if (num == 0) | |
2306 | nsect = sect; | |
2307 | num++; | |
2308 | } | |
2309 | } | |
2310 | } | |
a95a4550 | 2311 | |
3af9a47b NC |
2312 | *mcommand = ncmd; |
2313 | *msection = nsect; | |
2314 | return num; | |
2315 | } | |
2316 | ||
2317 | int | |
116c20d2 NC |
2318 | bfd_mach_o_lookup_command (bfd *abfd, |
2319 | bfd_mach_o_load_command_type type, | |
2320 | bfd_mach_o_load_command **mcommand) | |
3af9a47b NC |
2321 | { |
2322 | struct mach_o_data_struct *md = NULL; | |
2323 | bfd_mach_o_load_command *ncmd = NULL; | |
2324 | unsigned int i, num; | |
2325 | ||
2326 | md = abfd->tdata.mach_o_data; | |
2327 | ||
2328 | BFD_ASSERT (md != NULL); | |
2329 | BFD_ASSERT (mcommand != NULL); | |
2330 | ||
2331 | num = 0; | |
2332 | for (i = 0; i < md->header.ncmds; i++) | |
2333 | { | |
2334 | struct bfd_mach_o_load_command *cmd = &md->commands[i]; | |
2335 | ||
2336 | if (cmd->type != type) | |
2337 | continue; | |
2338 | ||
2339 | if (num == 0) | |
2340 | ncmd = cmd; | |
2341 | num++; | |
2342 | } | |
2343 | ||
2344 | *mcommand = ncmd; | |
2345 | return num; | |
2346 | } | |
2347 | ||
2348 | unsigned long | |
116c20d2 | 2349 | bfd_mach_o_stack_addr (enum bfd_mach_o_cpu_type type) |
3af9a47b NC |
2350 | { |
2351 | switch (type) | |
2352 | { | |
2353 | case BFD_MACH_O_CPU_TYPE_MC680x0: | |
2354 | return 0x04000000; | |
2355 | case BFD_MACH_O_CPU_TYPE_MC88000: | |
2356 | return 0xffffe000; | |
2357 | case BFD_MACH_O_CPU_TYPE_POWERPC: | |
2358 | return 0xc0000000; | |
2359 | case BFD_MACH_O_CPU_TYPE_I386: | |
2360 | return 0xc0000000; | |
2361 | case BFD_MACH_O_CPU_TYPE_SPARC: | |
2362 | return 0xf0000000; | |
2363 | case BFD_MACH_O_CPU_TYPE_I860: | |
2364 | return 0; | |
2365 | case BFD_MACH_O_CPU_TYPE_HPPA: | |
e84d6fca | 2366 | return 0xc0000000 - 0x04000000; |
3af9a47b NC |
2367 | default: |
2368 | return 0; | |
2369 | } | |
2370 | } | |
2371 | ||
15e1c58a TG |
2372 | static bfd_boolean |
2373 | bfd_mach_o_bfd_print_private_bfd_data (bfd *abfd, PTR ptr) | |
2374 | { | |
2375 | bfd_mach_o_data_struct *mdata = abfd->tdata.mach_o_data; | |
2376 | FILE *file = (FILE *) ptr; | |
2377 | unsigned int i, j; | |
2378 | unsigned int sec_nbr = 0; | |
2379 | ||
2380 | fprintf (file, _("Segments and Sections:\n")); | |
2381 | fprintf (file, _(" #: Segment name Section name Address\n")); | |
2382 | ||
2383 | for (i = 0; i < mdata->header.ncmds; i++) | |
2384 | { | |
2385 | bfd_mach_o_segment_command *seg; | |
2386 | ||
2387 | if (mdata->commands[i].type != BFD_MACH_O_LC_SEGMENT | |
2388 | && mdata->commands[i].type != BFD_MACH_O_LC_SEGMENT_64) | |
2389 | continue; | |
2390 | ||
2391 | seg = &mdata->commands[i].command.segment; | |
2392 | ||
2393 | fprintf (file, "[Segment %-16s ", seg->segname); | |
2394 | fprintf_vma (file, seg->vmaddr); | |
2395 | fprintf (file, "-"); | |
2396 | fprintf_vma (file, seg->vmaddr + seg->vmsize - 1); | |
2397 | fputc (' ', file); | |
2398 | fputc (seg->initprot & BFD_MACH_O_PROT_READ ? 'r' : '-', file); | |
2399 | fputc (seg->initprot & BFD_MACH_O_PROT_WRITE ? 'w' : '-', file); | |
2400 | fputc (seg->initprot & BFD_MACH_O_PROT_EXECUTE ? 'x' : '-', file); | |
2401 | fprintf (file, "]\n"); | |
2402 | for (j = 0; j < seg->nsects; j++) | |
2403 | { | |
2404 | bfd_mach_o_section *sec = &seg->sections[j]; | |
2405 | fprintf (file, "%02u: %-16s %-16s ", ++sec_nbr, | |
2406 | sec->segname, sec->sectname); | |
2407 | fprintf_vma (file, sec->addr); | |
2408 | fprintf (file, " "); | |
2409 | fprintf_vma (file, sec->size); | |
2410 | fprintf (file, " %08lx\n", sec->flags); | |
2411 | } | |
2412 | } | |
2413 | ||
2414 | for (i = 0; i < mdata->header.ncmds; i++) | |
2415 | { | |
2416 | bfd_mach_o_load_command *cmd = &mdata->commands[i]; | |
2417 | ||
2418 | switch (cmd->type) | |
2419 | { | |
2420 | case BFD_MACH_O_LC_SEGMENT: | |
2421 | case BFD_MACH_O_LC_SEGMENT_64: | |
2422 | break; | |
2423 | case BFD_MACH_O_LC_UUID: | |
2424 | { | |
2425 | bfd_mach_o_uuid_command *uuid = &cmd->command.uuid; | |
2426 | unsigned int i; | |
2427 | ||
2428 | fprintf (file, "\n" | |
2429 | "UUID:"); | |
2430 | for (i = 0; i < sizeof (uuid->uuid); i++) | |
2431 | fprintf (file, " %02x", uuid->uuid[i]); | |
2432 | fputc ('\n', file); | |
2433 | } | |
2434 | break; | |
2435 | case BFD_MACH_O_LC_LOAD_DYLIB: | |
2436 | { | |
2437 | bfd_mach_o_dylib_command *dylib = &cmd->command.dylib; | |
2438 | bfd_byte *data = NULL; | |
2439 | ||
2440 | if (! bfd_malloc_and_get_section (abfd, dylib->section, &data)) | |
2441 | { | |
2442 | if (data != NULL) | |
2443 | free (data); | |
2444 | break; | |
2445 | } | |
2446 | fprintf (file, "\n" | |
2447 | "LOAD_DYLIB: %s\n", | |
2448 | data + dylib->name_offset - cmd->offset - 8); | |
2449 | fprintf (file, " time stamp: 0x%08lx\n", | |
2450 | dylib->timestamp); | |
2451 | fprintf (file, " current version: 0x%08lx\n", | |
2452 | dylib->current_version); | |
2453 | fprintf (file, " comptibility version: 0x%08lx\n", | |
2454 | dylib->compatibility_version); | |
2455 | free (data); | |
2456 | break; | |
2457 | } | |
2458 | case BFD_MACH_O_LC_LOAD_DYLINKER: | |
2459 | { | |
2460 | bfd_mach_o_dylinker_command *linker = &cmd->command.dylinker; | |
2461 | bfd_byte *data = NULL; | |
2462 | ||
2463 | if (! bfd_malloc_and_get_section (abfd, linker->section, &data)) | |
2464 | { | |
2465 | if (data != NULL) | |
2466 | free (data); | |
2467 | break; | |
2468 | } | |
2469 | fprintf (file, "\n" | |
2470 | "LOAD_DYLINKER: %s\n", | |
2471 | data + linker->name_offset - cmd->offset - 8); | |
2472 | free (data); | |
2473 | break; | |
2474 | } | |
2475 | case BFD_MACH_O_LC_SYMTAB: | |
2476 | { | |
2477 | bfd_mach_o_symtab_command *symtab = &cmd->command.symtab; | |
2478 | fprintf (file, "\n" | |
2479 | "LC_SYMTAB: nsyms: %lu, strsize: %lu\n", | |
2480 | symtab->nsyms, symtab->strsize); | |
2481 | break; | |
2482 | } | |
2483 | case BFD_MACH_O_LC_DYSYMTAB: | |
2484 | { | |
2485 | bfd_mach_o_dysymtab_command *dysymtab = &cmd->command.dysymtab; | |
2486 | fprintf (file, "\n" | |
2487 | "LC_DYSYMTAB:\n" | |
2488 | " local symbols: index: %lu number: %lu\n", | |
2489 | dysymtab->ilocalsym, dysymtab->nlocalsym); | |
2490 | fprintf (file, | |
2491 | " external symbols: index: %lu number: %lu\n", | |
2492 | dysymtab->iextdefsym, dysymtab->nextdefsym); | |
2493 | fprintf (file, | |
2494 | " undefined symbols: index: %lu number: %lu\n", | |
2495 | dysymtab->iundefsym, dysymtab->nundefsym); | |
2496 | fprintf (file, | |
2497 | " ntoc: offset: %lu number: %lu\n", | |
2498 | dysymtab->tocoff, dysymtab->ntoc); | |
2499 | fprintf (file, | |
2500 | " module table: offset: %lu number: %lu\n", | |
2501 | dysymtab->modtaboff, dysymtab->nmodtab); | |
2502 | break; | |
2503 | } | |
2504 | default: | |
2505 | fprintf (file, "LC_%d\n", cmd->type); | |
2506 | break; | |
2507 | } | |
2508 | } | |
2509 | ||
2510 | return TRUE; | |
2511 | } | |
2512 | ||
3af9a47b | 2513 | int |
116c20d2 NC |
2514 | bfd_mach_o_core_fetch_environment (bfd *abfd, |
2515 | unsigned char **rbuf, | |
2516 | unsigned int *rlen) | |
3af9a47b NC |
2517 | { |
2518 | bfd_mach_o_data_struct *mdata = abfd->tdata.mach_o_data; | |
2519 | unsigned long stackaddr = bfd_mach_o_stack_addr (mdata->header.cputype); | |
2520 | unsigned int i = 0; | |
2521 | ||
2522 | for (i = 0; i < mdata->header.ncmds; i++) | |
2523 | { | |
2524 | bfd_mach_o_load_command *cur = &mdata->commands[i]; | |
2525 | bfd_mach_o_segment_command *seg = NULL; | |
2526 | ||
2527 | if (cur->type != BFD_MACH_O_LC_SEGMENT) | |
2528 | continue; | |
2529 | ||
2530 | seg = &cur->command.segment; | |
2531 | ||
2532 | if ((seg->vmaddr + seg->vmsize) == stackaddr) | |
2533 | { | |
2534 | unsigned long start = seg->fileoff; | |
2535 | unsigned long end = seg->fileoff + seg->filesize; | |
2536 | unsigned char *buf = bfd_malloc (1024); | |
2537 | unsigned long size = 1024; | |
2538 | ||
2539 | for (;;) | |
2540 | { | |
2541 | bfd_size_type nread = 0; | |
2542 | unsigned long offset; | |
2543 | int found_nonnull = 0; | |
2544 | ||
2545 | if (size > (end - start)) | |
2546 | size = (end - start); | |
2547 | ||
515ef31d NC |
2548 | buf = bfd_realloc_or_free (buf, size); |
2549 | if (buf == NULL) | |
2550 | return -1; | |
2551 | ||
3af9a47b NC |
2552 | bfd_seek (abfd, end - size, SEEK_SET); |
2553 | nread = bfd_bread (buf, size, abfd); | |
a95a4550 | 2554 | |
3af9a47b | 2555 | if (nread != size) |
515ef31d NC |
2556 | { |
2557 | free (buf); | |
2558 | return -1; | |
2559 | } | |
a95a4550 | 2560 | |
3af9a47b NC |
2561 | for (offset = 4; offset <= size; offset += 4) |
2562 | { | |
e84d6fca | 2563 | unsigned long val; |
3af9a47b | 2564 | |
e84d6fca | 2565 | val = *((unsigned long *) (buf + size - offset)); |
3af9a47b NC |
2566 | if (! found_nonnull) |
2567 | { | |
2568 | if (val != 0) | |
2569 | found_nonnull = 1; | |
2570 | } | |
2571 | else if (val == 0x0) | |
2572 | { | |
e84d6fca AM |
2573 | unsigned long bottom; |
2574 | unsigned long top; | |
3af9a47b | 2575 | |
e84d6fca AM |
2576 | bottom = seg->fileoff + seg->filesize - offset; |
2577 | top = seg->fileoff + seg->filesize - 4; | |
3af9a47b NC |
2578 | *rbuf = bfd_malloc (top - bottom); |
2579 | *rlen = top - bottom; | |
2580 | ||
2581 | memcpy (*rbuf, buf + size - *rlen, *rlen); | |
515ef31d | 2582 | free (buf); |
3af9a47b NC |
2583 | return 0; |
2584 | } | |
2585 | } | |
2586 | ||
2587 | if (size == (end - start)) | |
2588 | break; | |
2589 | ||
2590 | size *= 2; | |
2591 | } | |
515ef31d NC |
2592 | |
2593 | free (buf); | |
3af9a47b NC |
2594 | } |
2595 | } | |
2596 | ||
2597 | return -1; | |
2598 | } | |
2599 | ||
2600 | char * | |
116c20d2 | 2601 | bfd_mach_o_core_file_failing_command (bfd *abfd) |
3af9a47b NC |
2602 | { |
2603 | unsigned char *buf = NULL; | |
2604 | unsigned int len = 0; | |
2605 | int ret = -1; | |
2606 | ||
2607 | ret = bfd_mach_o_core_fetch_environment (abfd, &buf, &len); | |
2608 | if (ret < 0) | |
2609 | return NULL; | |
2610 | ||
f075ee0c | 2611 | return (char *) buf; |
3af9a47b NC |
2612 | } |
2613 | ||
2614 | int | |
116c20d2 | 2615 | bfd_mach_o_core_file_failing_signal (bfd *abfd ATTRIBUTE_UNUSED) |
3af9a47b NC |
2616 | { |
2617 | return 0; | |
2618 | } | |
2619 | ||
116c20d2 NC |
2620 | #define TARGET_NAME mach_o_be_vec |
2621 | #define TARGET_STRING "mach-o-be" | |
2622 | #define TARGET_BIG_ENDIAN 1 | |
2623 | #define TARGET_ARCHIVE 0 | |
3af9a47b NC |
2624 | |
2625 | #include "mach-o-target.c" | |
2626 | ||
2627 | #undef TARGET_NAME | |
2628 | #undef TARGET_STRING | |
2629 | #undef TARGET_BIG_ENDIAN | |
2630 | #undef TARGET_ARCHIVE | |
2631 | ||
116c20d2 NC |
2632 | #define TARGET_NAME mach_o_le_vec |
2633 | #define TARGET_STRING "mach-o-le" | |
2634 | #define TARGET_BIG_ENDIAN 0 | |
2635 | #define TARGET_ARCHIVE 0 | |
3af9a47b NC |
2636 | |
2637 | #include "mach-o-target.c" | |
2638 | ||
2639 | #undef TARGET_NAME | |
2640 | #undef TARGET_STRING | |
2641 | #undef TARGET_BIG_ENDIAN | |
2642 | #undef TARGET_ARCHIVE | |
2643 | ||
116c20d2 NC |
2644 | #define TARGET_NAME mach_o_fat_vec |
2645 | #define TARGET_STRING "mach-o-fat" | |
2646 | #define TARGET_BIG_ENDIAN 1 | |
2647 | #define TARGET_ARCHIVE 1 | |
3af9a47b NC |
2648 | |
2649 | #include "mach-o-target.c" | |
2650 | ||
2651 | #undef TARGET_NAME | |
2652 | #undef TARGET_STRING | |
2653 | #undef TARGET_BIG_ENDIAN | |
2654 | #undef TARGET_ARCHIVE |