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 | |
3023e3f6 | 75 | #define bfd_mach_o_bfd_define_common_symbol bfd_generic_define_common_symbol |
116c20d2 | 76 | #define bfd_mach_o_bfd_copy_private_header_data _bfd_generic_bfd_copy_private_header_data |
69d246d9 | 77 | #define bfd_mach_o_core_file_matches_executable_p generic_core_file_matches_executable_p |
116c20d2 | 78 | |
1e8a024a TG |
79 | static unsigned int |
80 | bfd_mach_o_version (bfd *abfd) | |
81 | { | |
82 | bfd_mach_o_data_struct *mdata = NULL; | |
83 | ||
84 | BFD_ASSERT (bfd_mach_o_valid (abfd)); | |
85 | mdata = abfd->tdata.mach_o_data; | |
86 | ||
87 | return mdata->header.version; | |
88 | } | |
89 | ||
b34976b6 | 90 | bfd_boolean |
116c20d2 | 91 | bfd_mach_o_valid (bfd *abfd) |
3af9a47b NC |
92 | { |
93 | if (abfd == NULL || abfd->xvec == NULL) | |
94 | return 0; | |
95 | ||
96 | if (! ((abfd->xvec == &mach_o_be_vec) | |
97 | || (abfd->xvec == &mach_o_le_vec) | |
98 | || (abfd->xvec == &mach_o_fat_vec))) | |
99 | return 0; | |
100 | ||
101 | if (abfd->tdata.mach_o_data == NULL) | |
102 | return 0; | |
103 | return 1; | |
104 | } | |
105 | ||
106 | /* Copy any private info we understand from the input symbol | |
107 | to the output symbol. */ | |
108 | ||
b34976b6 | 109 | static bfd_boolean |
116c20d2 NC |
110 | bfd_mach_o_bfd_copy_private_symbol_data (bfd *ibfd ATTRIBUTE_UNUSED, |
111 | asymbol *isymbol ATTRIBUTE_UNUSED, | |
112 | bfd *obfd ATTRIBUTE_UNUSED, | |
113 | asymbol *osymbol ATTRIBUTE_UNUSED) | |
3af9a47b | 114 | { |
b34976b6 | 115 | return TRUE; |
3af9a47b NC |
116 | } |
117 | ||
118 | /* Copy any private info we understand from the input section | |
119 | to the output section. */ | |
120 | ||
b34976b6 | 121 | static bfd_boolean |
116c20d2 NC |
122 | bfd_mach_o_bfd_copy_private_section_data (bfd *ibfd ATTRIBUTE_UNUSED, |
123 | asection *isection ATTRIBUTE_UNUSED, | |
124 | bfd *obfd ATTRIBUTE_UNUSED, | |
125 | asection *osection ATTRIBUTE_UNUSED) | |
3af9a47b | 126 | { |
b34976b6 | 127 | return TRUE; |
3af9a47b NC |
128 | } |
129 | ||
130 | /* Copy any private info we understand from the input bfd | |
131 | to the output bfd. */ | |
132 | ||
b34976b6 | 133 | static bfd_boolean |
116c20d2 | 134 | bfd_mach_o_bfd_copy_private_bfd_data (bfd *ibfd, bfd *obfd) |
3af9a47b NC |
135 | { |
136 | BFD_ASSERT (bfd_mach_o_valid (ibfd)); | |
137 | BFD_ASSERT (bfd_mach_o_valid (obfd)); | |
138 | ||
139 | obfd->tdata.mach_o_data = ibfd->tdata.mach_o_data; | |
140 | obfd->tdata.mach_o_data->ibfd = ibfd; | |
b34976b6 | 141 | return TRUE; |
3af9a47b NC |
142 | } |
143 | ||
144 | static long | |
116c20d2 | 145 | bfd_mach_o_count_symbols (bfd *abfd) |
3af9a47b NC |
146 | { |
147 | bfd_mach_o_data_struct *mdata = NULL; | |
148 | long nsyms = 0; | |
149 | unsigned long i; | |
a95a4550 | 150 | |
3af9a47b NC |
151 | BFD_ASSERT (bfd_mach_o_valid (abfd)); |
152 | mdata = abfd->tdata.mach_o_data; | |
153 | ||
154 | for (i = 0; i < mdata->header.ncmds; i++) | |
155 | if (mdata->commands[i].type == BFD_MACH_O_LC_SYMTAB) | |
156 | { | |
157 | bfd_mach_o_symtab_command *sym = &mdata->commands[i].command.symtab; | |
158 | nsyms += sym->nsyms; | |
159 | } | |
160 | ||
161 | return nsyms; | |
162 | } | |
163 | ||
164 | static long | |
116c20d2 | 165 | bfd_mach_o_get_symtab_upper_bound (bfd *abfd) |
3af9a47b NC |
166 | { |
167 | long nsyms = bfd_mach_o_count_symbols (abfd); | |
168 | ||
169 | if (nsyms < 0) | |
170 | return nsyms; | |
171 | ||
172 | return ((nsyms + 1) * sizeof (asymbol *)); | |
173 | } | |
174 | ||
175 | static long | |
116c20d2 | 176 | bfd_mach_o_canonicalize_symtab (bfd *abfd, asymbol **alocation) |
3af9a47b NC |
177 | { |
178 | bfd_mach_o_data_struct *mdata = abfd->tdata.mach_o_data; | |
179 | long nsyms = bfd_mach_o_count_symbols (abfd); | |
180 | asymbol **csym = alocation; | |
181 | unsigned long i, j; | |
182 | ||
183 | if (nsyms < 0) | |
184 | return nsyms; | |
185 | ||
186 | for (i = 0; i < mdata->header.ncmds; i++) | |
187 | { | |
188 | if (mdata->commands[i].type == BFD_MACH_O_LC_SYMTAB) | |
189 | { | |
190 | bfd_mach_o_symtab_command *sym = &mdata->commands[i].command.symtab; | |
191 | ||
192 | if (bfd_mach_o_scan_read_symtab_symbols (abfd, &mdata->commands[i].command.symtab) != 0) | |
193 | { | |
6cee3f79 | 194 | fprintf (stderr, "bfd_mach_o_canonicalize_symtab: unable to load symbols for section %lu\n", i); |
3af9a47b NC |
195 | return 0; |
196 | } | |
197 | ||
198 | BFD_ASSERT (sym->symbols != NULL); | |
199 | ||
200 | for (j = 0; j < sym->nsyms; j++) | |
201 | { | |
202 | BFD_ASSERT (csym < (alocation + nsyms)); | |
203 | *csym++ = &sym->symbols[j]; | |
204 | } | |
205 | } | |
206 | } | |
207 | ||
208 | *csym++ = NULL; | |
a95a4550 | 209 | |
3af9a47b NC |
210 | return nsyms; |
211 | } | |
212 | ||
213 | static void | |
116c20d2 NC |
214 | bfd_mach_o_get_symbol_info (bfd *abfd ATTRIBUTE_UNUSED, |
215 | asymbol *symbol, | |
216 | symbol_info *ret) | |
3af9a47b NC |
217 | { |
218 | bfd_symbol_info (symbol, ret); | |
219 | } | |
220 | ||
221 | static void | |
116c20d2 NC |
222 | bfd_mach_o_print_symbol (bfd *abfd, |
223 | PTR afile, | |
224 | asymbol *symbol, | |
225 | bfd_print_symbol_type how) | |
3af9a47b NC |
226 | { |
227 | FILE *file = (FILE *) afile; | |
15e1c58a TG |
228 | unsigned char ntype; |
229 | unsigned char nsect; | |
230 | unsigned int ndesc; | |
231 | const char *name; | |
3af9a47b NC |
232 | |
233 | switch (how) | |
234 | { | |
235 | case bfd_print_symbol_name: | |
236 | fprintf (file, "%s", symbol->name); | |
237 | break; | |
238 | default: | |
239 | bfd_print_symbol_vandf (abfd, (PTR) file, symbol); | |
15e1c58a TG |
240 | ntype = BFD_MACH_O_SYM_NTYPE (symbol); |
241 | nsect = BFD_MACH_O_SYM_NSECT (symbol); | |
242 | ndesc = BFD_MACH_O_SYM_NDESC (symbol); | |
243 | if (ntype & BFD_MACH_O_N_STAB) | |
244 | name = bfd_get_stab_name (ntype); | |
245 | else | |
246 | switch (ntype & BFD_MACH_O_N_TYPE) | |
247 | { | |
248 | case BFD_MACH_O_N_UNDF: | |
249 | name = "UND"; | |
250 | break; | |
251 | case BFD_MACH_O_N_ABS: | |
252 | name = "ABS"; | |
253 | break; | |
254 | case BFD_MACH_O_N_INDR: | |
255 | name = "INDR"; | |
256 | break; | |
257 | case BFD_MACH_O_N_PBUD: | |
258 | name = "PBUD"; | |
259 | break; | |
260 | case BFD_MACH_O_N_SECT: | |
261 | name = "SECT"; | |
262 | break; | |
263 | default: | |
264 | name = "???"; | |
265 | break; | |
266 | } | |
267 | if (name == NULL) | |
268 | name = ""; | |
269 | fprintf (file, " %02x %-6s %02x %04x", ntype, name, nsect, ndesc); | |
270 | if ((ntype & BFD_MACH_O_N_STAB) == 0 | |
271 | && (ntype & BFD_MACH_O_N_TYPE) == BFD_MACH_O_N_SECT) | |
272 | fprintf (file, " %-5s", symbol->section->name); | |
273 | fprintf (file, " %s", symbol->name); | |
3af9a47b NC |
274 | } |
275 | } | |
276 | ||
277 | static void | |
116c20d2 NC |
278 | bfd_mach_o_convert_architecture (bfd_mach_o_cpu_type mtype, |
279 | bfd_mach_o_cpu_subtype msubtype ATTRIBUTE_UNUSED, | |
280 | enum bfd_architecture *type, | |
281 | unsigned long *subtype) | |
3af9a47b NC |
282 | { |
283 | *subtype = bfd_arch_unknown; | |
284 | ||
285 | switch (mtype) | |
286 | { | |
287 | case BFD_MACH_O_CPU_TYPE_VAX: *type = bfd_arch_vax; break; | |
288 | case BFD_MACH_O_CPU_TYPE_MC680x0: *type = bfd_arch_m68k; break; | |
1e8a024a TG |
289 | case BFD_MACH_O_CPU_TYPE_I386: |
290 | *type = bfd_arch_i386; | |
291 | *subtype = bfd_mach_i386_i386; | |
292 | break; | |
293 | case BFD_MACH_O_CPU_TYPE_X86_64: | |
294 | *type = bfd_arch_i386; | |
295 | *subtype = bfd_mach_x86_64; | |
296 | break; | |
3af9a47b NC |
297 | case BFD_MACH_O_CPU_TYPE_MIPS: *type = bfd_arch_mips; break; |
298 | case BFD_MACH_O_CPU_TYPE_MC98000: *type = bfd_arch_m98k; break; | |
299 | case BFD_MACH_O_CPU_TYPE_HPPA: *type = bfd_arch_hppa; break; | |
300 | case BFD_MACH_O_CPU_TYPE_ARM: *type = bfd_arch_arm; break; | |
301 | case BFD_MACH_O_CPU_TYPE_MC88000: *type = bfd_arch_m88k; break; | |
1e8a024a TG |
302 | case BFD_MACH_O_CPU_TYPE_SPARC: |
303 | *type = bfd_arch_sparc; | |
304 | *subtype = bfd_mach_sparc; | |
305 | break; | |
3af9a47b NC |
306 | case BFD_MACH_O_CPU_TYPE_I860: *type = bfd_arch_i860; break; |
307 | case BFD_MACH_O_CPU_TYPE_ALPHA: *type = bfd_arch_alpha; break; | |
1e8a024a TG |
308 | case BFD_MACH_O_CPU_TYPE_POWERPC: |
309 | *type = bfd_arch_powerpc; | |
310 | *subtype = bfd_mach_ppc; | |
311 | break; | |
312 | case BFD_MACH_O_CPU_TYPE_POWERPC_64: | |
313 | *type = bfd_arch_powerpc; | |
314 | *subtype = bfd_mach_ppc64; | |
315 | break; | |
3af9a47b | 316 | default: |
1e8a024a TG |
317 | *type = bfd_arch_unknown; |
318 | break; | |
3af9a47b NC |
319 | } |
320 | } | |
a95a4550 | 321 | |
116c20d2 NC |
322 | static int |
323 | bfd_mach_o_write_header (bfd *abfd, bfd_mach_o_header *header) | |
324 | { | |
1e8a024a TG |
325 | unsigned char buf[32]; |
326 | unsigned int size; | |
327 | ||
328 | size = (header->version == 2) ? 32 : 28; | |
116c20d2 NC |
329 | |
330 | bfd_h_put_32 (abfd, header->magic, buf + 0); | |
331 | bfd_h_put_32 (abfd, header->cputype, buf + 4); | |
332 | bfd_h_put_32 (abfd, header->cpusubtype, buf + 8); | |
333 | bfd_h_put_32 (abfd, header->filetype, buf + 12); | |
334 | bfd_h_put_32 (abfd, header->ncmds, buf + 16); | |
335 | bfd_h_put_32 (abfd, header->sizeofcmds, buf + 20); | |
336 | bfd_h_put_32 (abfd, header->flags, buf + 24); | |
337 | ||
1e8a024a TG |
338 | if (header->version == 2) |
339 | bfd_h_put_32 (abfd, header->reserved, buf + 28); | |
340 | ||
116c20d2 | 341 | bfd_seek (abfd, 0, SEEK_SET); |
1e8a024a | 342 | if (bfd_bwrite ((PTR) buf, size, abfd) != size) |
116c20d2 NC |
343 | return -1; |
344 | ||
345 | return 0; | |
346 | } | |
347 | ||
348 | static int | |
1e8a024a | 349 | bfd_mach_o_scan_write_thread (bfd *abfd, bfd_mach_o_load_command *command) |
116c20d2 NC |
350 | { |
351 | bfd_mach_o_thread_command *cmd = &command->command.thread; | |
352 | unsigned int i; | |
353 | unsigned char buf[8]; | |
354 | bfd_vma offset; | |
355 | unsigned int nflavours; | |
356 | ||
357 | BFD_ASSERT ((command->type == BFD_MACH_O_LC_THREAD) | |
358 | || (command->type == BFD_MACH_O_LC_UNIXTHREAD)); | |
359 | ||
360 | offset = 8; | |
361 | nflavours = 0; | |
362 | for (i = 0; i < cmd->nflavours; i++) | |
363 | { | |
364 | BFD_ASSERT ((cmd->flavours[i].size % 4) == 0); | |
365 | BFD_ASSERT (cmd->flavours[i].offset == (command->offset + offset + 8)); | |
366 | ||
367 | bfd_h_put_32 (abfd, cmd->flavours[i].flavour, buf); | |
368 | bfd_h_put_32 (abfd, (cmd->flavours[i].size / 4), buf + 4); | |
369 | ||
370 | bfd_seek (abfd, command->offset + offset, SEEK_SET); | |
371 | if (bfd_bwrite ((PTR) buf, 8, abfd) != 8) | |
372 | return -1; | |
373 | ||
374 | offset += cmd->flavours[i].size + 8; | |
375 | } | |
376 | ||
377 | return 0; | |
378 | } | |
379 | ||
380 | static int | |
1e8a024a TG |
381 | bfd_mach_o_scan_write_section_32 (bfd *abfd, |
382 | bfd_mach_o_section *section, | |
383 | bfd_vma offset) | |
116c20d2 NC |
384 | { |
385 | unsigned char buf[68]; | |
386 | ||
387 | memcpy (buf, section->sectname, 16); | |
388 | memcpy (buf + 16, section->segname, 16); | |
389 | bfd_h_put_32 (abfd, section->addr, buf + 32); | |
390 | bfd_h_put_32 (abfd, section->size, buf + 36); | |
391 | bfd_h_put_32 (abfd, section->offset, buf + 40); | |
392 | bfd_h_put_32 (abfd, section->align, buf + 44); | |
393 | bfd_h_put_32 (abfd, section->reloff, buf + 48); | |
394 | bfd_h_put_32 (abfd, section->nreloc, buf + 52); | |
395 | bfd_h_put_32 (abfd, section->flags, buf + 56); | |
1e8a024a TG |
396 | bfd_h_put_32 (abfd, section->reserved1, buf + 60); |
397 | bfd_h_put_32 (abfd, section->reserved2, buf + 64); | |
116c20d2 NC |
398 | |
399 | bfd_seek (abfd, offset, SEEK_SET); | |
400 | if (bfd_bwrite ((PTR) buf, 68, abfd) != 68) | |
401 | return -1; | |
402 | ||
403 | return 0; | |
404 | } | |
405 | ||
406 | static int | |
1e8a024a TG |
407 | bfd_mach_o_scan_write_section_64 (bfd *abfd, |
408 | bfd_mach_o_section *section, | |
409 | bfd_vma offset) | |
116c20d2 | 410 | { |
1e8a024a | 411 | unsigned char buf[80]; |
116c20d2 | 412 | |
1e8a024a TG |
413 | memcpy (buf, section->sectname, 16); |
414 | memcpy (buf + 16, section->segname, 16); | |
415 | bfd_h_put_64 (abfd, section->addr, buf + 32); | |
416 | bfd_h_put_64 (abfd, section->size, buf + 40); | |
417 | bfd_h_put_32 (abfd, section->offset, buf + 48); | |
418 | bfd_h_put_32 (abfd, section->align, buf + 52); | |
419 | bfd_h_put_32 (abfd, section->reloff, buf + 56); | |
420 | bfd_h_put_32 (abfd, section->nreloc, buf + 60); | |
421 | bfd_h_put_32 (abfd, section->flags, buf + 64); | |
422 | bfd_h_put_32 (abfd, section->reserved1, buf + 68); | |
423 | bfd_h_put_32 (abfd, section->reserved2, buf + 72); | |
424 | bfd_h_put_32 (abfd, section->reserved3, buf + 76); | |
116c20d2 | 425 | |
1e8a024a TG |
426 | bfd_seek (abfd, offset, SEEK_SET); |
427 | if (bfd_bwrite ((PTR) buf, 80, abfd) != 80) | |
116c20d2 NC |
428 | return -1; |
429 | ||
1e8a024a TG |
430 | return 0; |
431 | } | |
432 | ||
433 | static int | |
434 | bfd_mach_o_scan_write_section (bfd *abfd, | |
435 | bfd_mach_o_section *section, | |
436 | bfd_vma offset, | |
437 | unsigned int wide) | |
438 | { | |
439 | if (wide) | |
440 | return bfd_mach_o_scan_write_section_64 (abfd, section, offset); | |
441 | else | |
442 | return bfd_mach_o_scan_write_section_32 (abfd, section, offset); | |
443 | } | |
444 | ||
445 | static int | |
446 | bfd_mach_o_scan_write_segment (bfd *abfd, | |
447 | bfd_mach_o_load_command *command, | |
448 | unsigned int wide) | |
449 | { | |
450 | unsigned char buf[64]; | |
451 | bfd_mach_o_segment_command *seg = &command->command.segment; | |
452 | unsigned long i; | |
453 | ||
454 | if (wide) | |
455 | { | |
456 | BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT_64); | |
457 | ||
458 | memcpy (buf, seg->segname, 16); | |
459 | ||
460 | bfd_h_put_64 (abfd, seg->vmaddr, buf + 16); | |
461 | bfd_h_put_64 (abfd, seg->vmsize, buf + 24); | |
462 | bfd_h_put_64 (abfd, seg->fileoff, buf + 32); | |
463 | bfd_h_put_64 (abfd, seg->filesize, buf + 40); | |
464 | bfd_h_put_32 (abfd, seg->maxprot, buf + 48); | |
465 | bfd_h_put_32 (abfd, seg->initprot, buf + 52); | |
466 | bfd_h_put_32 (abfd, seg->nsects, buf + 56); | |
467 | bfd_h_put_32 (abfd, seg->flags, buf + 60); | |
468 | ||
469 | bfd_seek (abfd, command->offset + 8, SEEK_SET); | |
470 | if (bfd_bwrite ((PTR) buf, 64, abfd) != 64) | |
471 | return -1; | |
472 | } | |
473 | else | |
474 | { | |
475 | BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT); | |
476 | ||
477 | memcpy (buf, seg->segname, 16); | |
478 | ||
479 | bfd_h_put_32 (abfd, seg->vmaddr, buf + 16); | |
480 | bfd_h_put_32 (abfd, seg->vmsize, buf + 20); | |
481 | bfd_h_put_32 (abfd, seg->fileoff, buf + 24); | |
482 | bfd_h_put_32 (abfd, seg->filesize, buf + 28); | |
483 | bfd_h_put_32 (abfd, seg->maxprot, buf + 32); | |
484 | bfd_h_put_32 (abfd, seg->initprot, buf + 36); | |
485 | bfd_h_put_32 (abfd, seg->nsects, buf + 40); | |
486 | bfd_h_put_32 (abfd, seg->flags, buf + 44); | |
487 | ||
488 | bfd_seek (abfd, command->offset + 8, SEEK_SET); | |
489 | if (bfd_bwrite ((PTR) buf, 48, abfd) != 48) | |
490 | return -1; | |
491 | } | |
492 | ||
116c20d2 NC |
493 | { |
494 | char buf[1024]; | |
495 | bfd_vma nbytes = seg->filesize; | |
496 | bfd_vma curoff = seg->fileoff; | |
497 | ||
498 | while (nbytes > 0) | |
499 | { | |
1e8a024a | 500 | bfd_vma thiswrite = nbytes; |
116c20d2 | 501 | |
1e8a024a TG |
502 | if (thiswrite > 1024) |
503 | thiswrite = 1024; | |
116c20d2 NC |
504 | |
505 | bfd_seek (abfd, curoff, SEEK_SET); | |
1e8a024a | 506 | if (bfd_bread ((PTR) buf, thiswrite, abfd) != thiswrite) |
116c20d2 NC |
507 | return -1; |
508 | ||
509 | bfd_seek (abfd, curoff, SEEK_SET); | |
1e8a024a | 510 | if (bfd_bwrite ((PTR) buf, thiswrite, abfd) != thiswrite) |
116c20d2 NC |
511 | return -1; |
512 | ||
1e8a024a TG |
513 | nbytes -= thiswrite; |
514 | curoff += thiswrite; | |
116c20d2 NC |
515 | } |
516 | } | |
517 | ||
518 | for (i = 0; i < seg->nsects; i++) | |
519 | { | |
1e8a024a TG |
520 | bfd_vma segoff; |
521 | if (wide) | |
522 | segoff = command->offset + 64 + 8 + (i * 80); | |
523 | else | |
524 | segoff = command->offset + 48 + 8 + (i * 68); | |
525 | ||
526 | if (bfd_mach_o_scan_write_section | |
527 | (abfd, &seg->sections[i], segoff, wide) != 0) | |
116c20d2 NC |
528 | return -1; |
529 | } | |
530 | ||
531 | return 0; | |
532 | } | |
533 | ||
534 | static int | |
1e8a024a TG |
535 | bfd_mach_o_scan_write_segment_32 (bfd *abfd, bfd_mach_o_load_command *command) |
536 | { | |
537 | return bfd_mach_o_scan_write_segment (abfd, command, 0); | |
538 | } | |
539 | ||
540 | static int | |
541 | bfd_mach_o_scan_write_segment_64 (bfd *abfd, bfd_mach_o_load_command *command) | |
542 | { | |
543 | return bfd_mach_o_scan_write_segment (abfd, command, 1); | |
544 | } | |
545 | ||
546 | static int | |
547 | bfd_mach_o_scan_write_symtab_symbols (bfd *abfd, bfd_mach_o_load_command *command) | |
116c20d2 NC |
548 | { |
549 | bfd_mach_o_symtab_command *sym = &command->command.symtab; | |
550 | asymbol *s = NULL; | |
551 | unsigned long i; | |
552 | ||
553 | for (i = 0; i < sym->nsyms; i++) | |
554 | { | |
555 | unsigned char buf[12]; | |
556 | bfd_vma symoff = sym->symoff + (i * 12); | |
557 | unsigned char ntype = 0; | |
558 | unsigned char nsect = 0; | |
559 | short ndesc = 0; | |
560 | ||
561 | s = &sym->symbols[i]; | |
562 | ||
563 | /* Instead just set from the stored values. */ | |
15e1c58a TG |
564 | ntype = BFD_MACH_O_SYM_NTYPE (s); |
565 | nsect = BFD_MACH_O_SYM_NSECT (s); | |
566 | ndesc = BFD_MACH_O_SYM_NDESC (s); | |
116c20d2 NC |
567 | |
568 | bfd_h_put_32 (abfd, s->name - sym->strtab, buf); | |
569 | bfd_h_put_8 (abfd, ntype, buf + 4); | |
570 | bfd_h_put_8 (abfd, nsect, buf + 5); | |
571 | bfd_h_put_16 (abfd, ndesc, buf + 6); | |
572 | bfd_h_put_32 (abfd, s->section->vma + s->value, buf + 8); | |
573 | ||
574 | bfd_seek (abfd, symoff, SEEK_SET); | |
575 | if (bfd_bwrite ((PTR) buf, 12, abfd) != 12) | |
576 | { | |
577 | fprintf (stderr, "bfd_mach_o_scan_write_symtab_symbols: unable to write %d bytes at %lu\n", | |
578 | 12, (unsigned long) symoff); | |
579 | return -1; | |
580 | } | |
581 | } | |
582 | ||
583 | return 0; | |
584 | } | |
585 | ||
586 | static int | |
587 | bfd_mach_o_scan_write_symtab (bfd *abfd, bfd_mach_o_load_command *command) | |
588 | { | |
589 | bfd_mach_o_symtab_command *seg = &command->command.symtab; | |
590 | unsigned char buf[16]; | |
591 | ||
592 | BFD_ASSERT (command->type == BFD_MACH_O_LC_SYMTAB); | |
593 | ||
594 | bfd_h_put_32 (abfd, seg->symoff, buf); | |
595 | bfd_h_put_32 (abfd, seg->nsyms, buf + 4); | |
596 | bfd_h_put_32 (abfd, seg->stroff, buf + 8); | |
597 | bfd_h_put_32 (abfd, seg->strsize, buf + 12); | |
598 | ||
599 | bfd_seek (abfd, command->offset + 8, SEEK_SET); | |
600 | if (bfd_bwrite ((PTR) buf, 16, abfd) != 16) | |
601 | return -1; | |
602 | ||
603 | if (bfd_mach_o_scan_write_symtab_symbols (abfd, command) != 0) | |
604 | return -1; | |
605 | ||
606 | return 0; | |
607 | } | |
608 | ||
b34976b6 | 609 | static bfd_boolean |
116c20d2 | 610 | bfd_mach_o_write_contents (bfd *abfd) |
3af9a47b NC |
611 | { |
612 | unsigned int i; | |
613 | asection *s; | |
614 | ||
615 | bfd_mach_o_data_struct *mdata = abfd->tdata.mach_o_data; | |
616 | ||
617 | /* Write data sections first in case they overlap header data to be | |
618 | written later. */ | |
619 | ||
620 | for (s = abfd->sections; s != (asection *) NULL; s = s->next) | |
621 | ; | |
622 | ||
3af9a47b NC |
623 | /* Now write header information. */ |
624 | if (bfd_mach_o_write_header (abfd, &mdata->header) != 0) | |
b34976b6 | 625 | return FALSE; |
3af9a47b NC |
626 | |
627 | for (i = 0; i < mdata->header.ncmds; i++) | |
628 | { | |
629 | unsigned char buf[8]; | |
630 | bfd_mach_o_load_command *cur = &mdata->commands[i]; | |
631 | unsigned long typeflag; | |
632 | ||
633 | typeflag = cur->type_required ? cur->type & BFD_MACH_O_LC_REQ_DYLD : cur->type; | |
634 | ||
635 | bfd_h_put_32 (abfd, typeflag, buf); | |
636 | bfd_h_put_32 (abfd, cur->len, buf + 4); | |
637 | ||
638 | bfd_seek (abfd, cur->offset, SEEK_SET); | |
639 | if (bfd_bwrite ((PTR) buf, 8, abfd) != 8) | |
b34976b6 | 640 | return FALSE; |
3af9a47b NC |
641 | |
642 | switch (cur->type) | |
643 | { | |
644 | case BFD_MACH_O_LC_SEGMENT: | |
1e8a024a TG |
645 | if (bfd_mach_o_scan_write_segment_32 (abfd, cur) != 0) |
646 | return FALSE; | |
647 | break; | |
648 | case BFD_MACH_O_LC_SEGMENT_64: | |
649 | if (bfd_mach_o_scan_write_segment_64 (abfd, cur) != 0) | |
b34976b6 | 650 | return FALSE; |
3af9a47b NC |
651 | break; |
652 | case BFD_MACH_O_LC_SYMTAB: | |
653 | if (bfd_mach_o_scan_write_symtab (abfd, cur) != 0) | |
b34976b6 | 654 | return FALSE; |
3af9a47b NC |
655 | break; |
656 | case BFD_MACH_O_LC_SYMSEG: | |
657 | break; | |
658 | case BFD_MACH_O_LC_THREAD: | |
659 | case BFD_MACH_O_LC_UNIXTHREAD: | |
660 | if (bfd_mach_o_scan_write_thread (abfd, cur) != 0) | |
b34976b6 | 661 | return FALSE; |
3af9a47b NC |
662 | break; |
663 | case BFD_MACH_O_LC_LOADFVMLIB: | |
664 | case BFD_MACH_O_LC_IDFVMLIB: | |
665 | case BFD_MACH_O_LC_IDENT: | |
666 | case BFD_MACH_O_LC_FVMFILE: | |
667 | case BFD_MACH_O_LC_PREPAGE: | |
668 | case BFD_MACH_O_LC_DYSYMTAB: | |
669 | case BFD_MACH_O_LC_LOAD_DYLIB: | |
670 | case BFD_MACH_O_LC_LOAD_WEAK_DYLIB: | |
671 | case BFD_MACH_O_LC_ID_DYLIB: | |
672 | case BFD_MACH_O_LC_LOAD_DYLINKER: | |
673 | case BFD_MACH_O_LC_ID_DYLINKER: | |
674 | case BFD_MACH_O_LC_PREBOUND_DYLIB: | |
675 | case BFD_MACH_O_LC_ROUTINES: | |
676 | case BFD_MACH_O_LC_SUB_FRAMEWORK: | |
677 | break; | |
678 | default: | |
679 | fprintf (stderr, | |
680 | "unable to write unknown load command 0x%lx\n", | |
0af1713e | 681 | (unsigned long) cur->type); |
b34976b6 | 682 | return FALSE; |
3af9a47b NC |
683 | } |
684 | } | |
685 | ||
b34976b6 | 686 | return TRUE; |
3af9a47b NC |
687 | } |
688 | ||
689 | static int | |
116c20d2 | 690 | bfd_mach_o_sizeof_headers (bfd *a ATTRIBUTE_UNUSED, |
a6b96beb | 691 | struct bfd_link_info *info ATTRIBUTE_UNUSED) |
3af9a47b NC |
692 | { |
693 | return 0; | |
694 | } | |
695 | ||
696 | /* Make an empty symbol. This is required only because | |
697 | bfd_make_section_anyway wants to create a symbol for the section. */ | |
698 | ||
699 | static asymbol * | |
116c20d2 | 700 | bfd_mach_o_make_empty_symbol (bfd *abfd) |
3af9a47b NC |
701 | { |
702 | asymbol *new; | |
703 | ||
116c20d2 | 704 | new = bfd_zalloc (abfd, sizeof (* new)); |
3af9a47b NC |
705 | if (new == NULL) |
706 | return new; | |
707 | new->the_bfd = abfd; | |
708 | return new; | |
709 | } | |
710 | ||
711 | static int | |
116c20d2 | 712 | bfd_mach_o_read_header (bfd *abfd, bfd_mach_o_header *header) |
3af9a47b | 713 | { |
1e8a024a TG |
714 | unsigned char buf[32]; |
715 | unsigned int size; | |
edeb6e24 | 716 | bfd_vma (*get32) (const void *) = NULL; |
3af9a47b NC |
717 | |
718 | bfd_seek (abfd, 0, SEEK_SET); | |
719 | ||
1e8a024a TG |
720 | /* Just read the magic number. */ |
721 | if (bfd_bread ((PTR) buf, 4, abfd) != 4) | |
3af9a47b NC |
722 | return -1; |
723 | ||
724 | if (bfd_getb32 (buf) == 0xfeedface) | |
725 | { | |
726 | header->byteorder = BFD_ENDIAN_BIG; | |
727 | header->magic = 0xfeedface; | |
1e8a024a | 728 | header->version = 1; |
3af9a47b NC |
729 | get32 = bfd_getb32; |
730 | } | |
731 | else if (bfd_getl32 (buf) == 0xfeedface) | |
732 | { | |
a95a4550 | 733 | header->byteorder = BFD_ENDIAN_LITTLE; |
3af9a47b | 734 | header->magic = 0xfeedface; |
1e8a024a TG |
735 | header->version = 1; |
736 | get32 = bfd_getl32; | |
737 | } | |
738 | else if (bfd_getb32 (buf) == 0xfeedfacf) | |
739 | { | |
740 | header->byteorder = BFD_ENDIAN_BIG; | |
741 | header->magic = 0xfeedfacf; | |
742 | header->version = 2; | |
743 | get32 = bfd_getb32; | |
744 | } | |
745 | else if (bfd_getl32 (buf) == 0xfeedfacf) | |
746 | { | |
747 | header->byteorder = BFD_ENDIAN_LITTLE; | |
748 | header->magic = 0xfeedfacf; | |
749 | header->version = 2; | |
3af9a47b NC |
750 | get32 = bfd_getl32; |
751 | } | |
752 | else | |
753 | { | |
754 | header->byteorder = BFD_ENDIAN_UNKNOWN; | |
755 | return -1; | |
756 | } | |
a95a4550 | 757 | |
1e8a024a TG |
758 | /* Once the size of the header is known, read the full header. */ |
759 | size = (header->version == 2) ? 32 : 28; | |
760 | ||
761 | bfd_seek (abfd, 0, SEEK_SET); | |
762 | if (bfd_bread ((PTR) buf, size, abfd) != size) | |
763 | return -1; | |
764 | ||
3af9a47b NC |
765 | header->cputype = (*get32) (buf + 4); |
766 | header->cpusubtype = (*get32) (buf + 8); | |
767 | header->filetype = (*get32) (buf + 12); | |
768 | header->ncmds = (*get32) (buf + 16); | |
769 | header->sizeofcmds = (*get32) (buf + 20); | |
770 | header->flags = (*get32) (buf + 24); | |
771 | ||
1e8a024a TG |
772 | if (header->version == 2) |
773 | header->reserved = (*get32) (buf + 28); | |
774 | ||
3af9a47b NC |
775 | return 0; |
776 | } | |
777 | ||
778 | static asection * | |
15e1c58a TG |
779 | bfd_mach_o_make_bfd_section (bfd *abfd, bfd_mach_o_section *section, |
780 | unsigned long prot) | |
3af9a47b NC |
781 | { |
782 | asection *bfdsec; | |
783 | char *sname; | |
784 | const char *prefix = "LC_SEGMENT"; | |
785 | unsigned int snamelen; | |
117ed4f8 | 786 | flagword flags; |
3af9a47b NC |
787 | |
788 | snamelen = strlen (prefix) + 1 | |
789 | + strlen (section->segname) + 1 | |
790 | + strlen (section->sectname) + 1; | |
791 | ||
116c20d2 | 792 | sname = bfd_alloc (abfd, snamelen); |
3af9a47b NC |
793 | if (sname == NULL) |
794 | return NULL; | |
3af9a47b | 795 | |
15e1c58a TG |
796 | /* Use canonical dwarf section names for dwarf sections. */ |
797 | if (strcmp (section->segname, "__DWARF") == 0 | |
798 | && strncmp (section->sectname, "__", 2) == 0) | |
799 | sprintf (sname, ".%s", section->sectname + 2); | |
846b9259 TG |
800 | else if (strcmp (section->segname, "__TEXT") == 0) |
801 | { | |
802 | if (strcmp (section->sectname, "__eh_frame") == 0) | |
803 | strcpy (sname, ".eh_frame"); | |
804 | else if (section->sectname[0]) | |
805 | sprintf (sname, "%s.%s", section->segname, section->sectname); | |
806 | else | |
807 | strcpy (sname, section->segname); | |
808 | } | |
809 | else if (strcmp (section->segname, "__DATA") == 0) | |
810 | { | |
811 | if (section->sectname[0]) | |
812 | sprintf (sname, "%s.%s", section->segname, section->sectname); | |
813 | else | |
814 | strcpy (sname, section->segname); | |
815 | } | |
15e1c58a TG |
816 | else |
817 | sprintf (sname, "%s.%s.%s", prefix, section->segname, section->sectname); | |
818 | ||
819 | if (section->flags & BFD_MACH_O_S_ATTR_DEBUG) | |
820 | flags = SEC_HAS_CONTENTS | SEC_DEBUGGING; | |
821 | else | |
822 | { | |
823 | flags = SEC_ALLOC; | |
824 | if ((section->flags & BFD_MACH_O_SECTION_TYPE_MASK) | |
825 | != BFD_MACH_O_S_ZEROFILL) | |
826 | { | |
827 | flags |= SEC_HAS_CONTENTS | SEC_LOAD; | |
828 | if (prot & BFD_MACH_O_PROT_EXECUTE) | |
829 | flags |= SEC_CODE; | |
830 | if (prot & BFD_MACH_O_PROT_WRITE) | |
831 | flags |= SEC_DATA; | |
832 | else if (prot & BFD_MACH_O_PROT_READ) | |
833 | flags |= SEC_READONLY; | |
834 | } | |
835 | } | |
117ed4f8 | 836 | bfdsec = bfd_make_section_anyway_with_flags (abfd, sname, flags); |
3af9a47b NC |
837 | if (bfdsec == NULL) |
838 | return NULL; | |
a95a4550 | 839 | |
3af9a47b NC |
840 | bfdsec->vma = section->addr; |
841 | bfdsec->lma = section->addr; | |
eea6121a | 842 | bfdsec->size = section->size; |
3af9a47b NC |
843 | bfdsec->filepos = section->offset; |
844 | bfdsec->alignment_power = section->align; | |
1e8a024a | 845 | bfdsec->segment_mark = 0; |
3af9a47b | 846 | |
3af9a47b NC |
847 | return bfdsec; |
848 | } | |
849 | ||
850 | static int | |
1e8a024a TG |
851 | bfd_mach_o_scan_read_section_32 (bfd *abfd, |
852 | bfd_mach_o_section *section, | |
15e1c58a TG |
853 | bfd_vma offset, |
854 | unsigned long prot) | |
3af9a47b NC |
855 | { |
856 | unsigned char buf[68]; | |
857 | ||
858 | bfd_seek (abfd, offset, SEEK_SET); | |
859 | if (bfd_bread ((PTR) buf, 68, abfd) != 68) | |
860 | return -1; | |
a95a4550 | 861 | |
3af9a47b NC |
862 | memcpy (section->sectname, buf, 16); |
863 | section->sectname[16] = '\0'; | |
864 | memcpy (section->segname, buf + 16, 16); | |
865 | section->segname[16] = '\0'; | |
866 | section->addr = bfd_h_get_32 (abfd, buf + 32); | |
867 | section->size = bfd_h_get_32 (abfd, buf + 36); | |
868 | section->offset = bfd_h_get_32 (abfd, buf + 40); | |
869 | section->align = bfd_h_get_32 (abfd, buf + 44); | |
870 | section->reloff = bfd_h_get_32 (abfd, buf + 48); | |
871 | section->nreloc = bfd_h_get_32 (abfd, buf + 52); | |
872 | section->flags = bfd_h_get_32 (abfd, buf + 56); | |
873 | section->reserved1 = bfd_h_get_32 (abfd, buf + 60); | |
874 | section->reserved2 = bfd_h_get_32 (abfd, buf + 64); | |
1e8a024a | 875 | section->reserved3 = 0; |
15e1c58a | 876 | section->bfdsection = bfd_mach_o_make_bfd_section (abfd, section, prot); |
1e8a024a TG |
877 | |
878 | if (section->bfdsection == NULL) | |
879 | return -1; | |
880 | ||
881 | return 0; | |
882 | } | |
883 | ||
884 | static int | |
885 | bfd_mach_o_scan_read_section_64 (bfd *abfd, | |
886 | bfd_mach_o_section *section, | |
15e1c58a TG |
887 | bfd_vma offset, |
888 | unsigned long prot) | |
1e8a024a TG |
889 | { |
890 | unsigned char buf[80]; | |
891 | ||
892 | bfd_seek (abfd, offset, SEEK_SET); | |
893 | if (bfd_bread ((PTR) buf, 80, abfd) != 80) | |
894 | return -1; | |
895 | ||
896 | memcpy (section->sectname, buf, 16); | |
897 | section->sectname[16] = '\0'; | |
898 | memcpy (section->segname, buf + 16, 16); | |
899 | section->segname[16] = '\0'; | |
900 | section->addr = bfd_h_get_64 (abfd, buf + 32); | |
901 | section->size = bfd_h_get_64 (abfd, buf + 40); | |
902 | section->offset = bfd_h_get_32 (abfd, buf + 48); | |
903 | section->align = bfd_h_get_32 (abfd, buf + 52); | |
904 | section->reloff = bfd_h_get_32 (abfd, buf + 56); | |
905 | section->nreloc = bfd_h_get_32 (abfd, buf + 60); | |
906 | section->flags = bfd_h_get_32 (abfd, buf + 64); | |
907 | section->reserved1 = bfd_h_get_32 (abfd, buf + 68); | |
908 | section->reserved2 = bfd_h_get_32 (abfd, buf + 72); | |
909 | section->reserved3 = bfd_h_get_32 (abfd, buf + 76); | |
15e1c58a | 910 | section->bfdsection = bfd_mach_o_make_bfd_section (abfd, section, prot); |
3af9a47b NC |
911 | |
912 | if (section->bfdsection == NULL) | |
913 | return -1; | |
914 | ||
915 | return 0; | |
916 | } | |
917 | ||
1e8a024a TG |
918 | static int |
919 | bfd_mach_o_scan_read_section (bfd *abfd, | |
920 | bfd_mach_o_section *section, | |
921 | bfd_vma offset, | |
15e1c58a | 922 | unsigned long prot, |
1e8a024a TG |
923 | unsigned int wide) |
924 | { | |
925 | if (wide) | |
15e1c58a | 926 | return bfd_mach_o_scan_read_section_64 (abfd, section, offset, prot); |
1e8a024a | 927 | else |
15e1c58a | 928 | return bfd_mach_o_scan_read_section_32 (abfd, section, offset, prot); |
1e8a024a TG |
929 | } |
930 | ||
3af9a47b | 931 | int |
116c20d2 NC |
932 | bfd_mach_o_scan_read_symtab_symbol (bfd *abfd, |
933 | bfd_mach_o_symtab_command *sym, | |
934 | asymbol *s, | |
935 | unsigned long i) | |
3af9a47b NC |
936 | { |
937 | bfd_mach_o_data_struct *mdata = abfd->tdata.mach_o_data; | |
1e8a024a TG |
938 | unsigned int wide = (mdata->header.version == 2); |
939 | unsigned int symwidth = wide ? 16 : 12; | |
940 | bfd_vma symoff = sym->symoff + (i * symwidth); | |
941 | unsigned char buf[16]; | |
3af9a47b NC |
942 | unsigned char type = -1; |
943 | unsigned char section = -1; | |
944 | short desc = -1; | |
1e8a024a | 945 | symvalue value = -1; |
3af9a47b NC |
946 | unsigned long stroff = -1; |
947 | unsigned int symtype = -1; | |
948 | ||
949 | BFD_ASSERT (sym->strtab != NULL); | |
950 | ||
951 | bfd_seek (abfd, symoff, SEEK_SET); | |
1e8a024a | 952 | if (bfd_bread ((PTR) buf, symwidth, abfd) != symwidth) |
3af9a47b NC |
953 | { |
954 | fprintf (stderr, "bfd_mach_o_scan_read_symtab_symbol: unable to read %d bytes at %lu\n", | |
1e8a024a | 955 | symwidth, (unsigned long) symoff); |
3af9a47b NC |
956 | return -1; |
957 | } | |
958 | ||
959 | stroff = bfd_h_get_32 (abfd, buf); | |
960 | type = bfd_h_get_8 (abfd, buf + 4); | |
961 | symtype = (type & 0x0e); | |
15e1c58a | 962 | section = bfd_h_get_8 (abfd, buf + 5); |
3af9a47b | 963 | desc = bfd_h_get_16 (abfd, buf + 6); |
1e8a024a TG |
964 | if (wide) |
965 | value = bfd_h_get_64 (abfd, buf + 8); | |
966 | else | |
967 | value = bfd_h_get_32 (abfd, buf + 8); | |
3af9a47b NC |
968 | |
969 | if (stroff >= sym->strsize) | |
970 | { | |
971 | fprintf (stderr, "bfd_mach_o_scan_read_symtab_symbol: symbol name out of range (%lu >= %lu)\n", | |
972 | (unsigned long) stroff, (unsigned long) sym->strsize); | |
a95a4550 | 973 | return -1; |
3af9a47b NC |
974 | } |
975 | ||
976 | s->the_bfd = abfd; | |
977 | s->name = sym->strtab + stroff; | |
978 | s->value = value; | |
979 | s->udata.i = (type << 24) | (section << 16) | desc; | |
980 | s->flags = 0x0; | |
981 | ||
982 | if (type & BFD_MACH_O_N_STAB) | |
983 | { | |
984 | s->flags |= BSF_DEBUGGING; | |
985 | s->section = bfd_und_section_ptr; | |
15e1c58a TG |
986 | switch (type) |
987 | { | |
988 | case N_FUN: | |
989 | case N_STSYM: | |
990 | case N_LCSYM: | |
991 | case N_BNSYM: | |
992 | case N_SLINE: | |
993 | case N_ENSYM: | |
994 | case N_ECOMM: | |
995 | case N_ECOML: | |
996 | case N_GSYM: | |
997 | if ((section > 0) && (section <= mdata->nsects)) | |
998 | { | |
999 | s->section = mdata->sections[section - 1]->bfdsection; | |
1000 | s->value = s->value - mdata->sections[section - 1]->addr; | |
1001 | } | |
1002 | break; | |
1003 | } | |
3af9a47b NC |
1004 | } |
1005 | else | |
1006 | { | |
1007 | if (type & BFD_MACH_O_N_PEXT) | |
15e1c58a TG |
1008 | s->flags |= BSF_GLOBAL; |
1009 | ||
3af9a47b | 1010 | if (type & BFD_MACH_O_N_EXT) |
15e1c58a TG |
1011 | s->flags |= BSF_GLOBAL; |
1012 | ||
1013 | if (!(type & (BFD_MACH_O_N_PEXT | BFD_MACH_O_N_EXT))) | |
1014 | s->flags |= BSF_LOCAL; | |
3af9a47b NC |
1015 | |
1016 | switch (symtype) | |
1017 | { | |
1018 | case BFD_MACH_O_N_UNDF: | |
1019 | s->section = bfd_und_section_ptr; | |
1020 | break; | |
1021 | case BFD_MACH_O_N_PBUD: | |
1022 | s->section = bfd_und_section_ptr; | |
1023 | break; | |
1024 | case BFD_MACH_O_N_ABS: | |
1025 | s->section = bfd_abs_section_ptr; | |
1026 | break; | |
1027 | case BFD_MACH_O_N_SECT: | |
1028 | if ((section > 0) && (section <= mdata->nsects)) | |
1029 | { | |
15e1c58a TG |
1030 | s->section = mdata->sections[section - 1]->bfdsection; |
1031 | s->value = s->value - mdata->sections[section - 1]->addr; | |
3af9a47b NC |
1032 | } |
1033 | else | |
1034 | { | |
1035 | /* Mach-O uses 0 to mean "no section"; not an error. */ | |
1036 | if (section != 0) | |
1037 | { | |
1038 | fprintf (stderr, "bfd_mach_o_scan_read_symtab_symbol: " | |
a95a4550 | 1039 | "symbol \"%s\" specified invalid section %d (max %lu): setting to undefined\n", |
3af9a47b NC |
1040 | s->name, section, mdata->nsects); |
1041 | } | |
1042 | s->section = bfd_und_section_ptr; | |
1043 | } | |
1044 | break; | |
1045 | case BFD_MACH_O_N_INDR: | |
1046 | fprintf (stderr, "bfd_mach_o_scan_read_symtab_symbol: " | |
a95a4550 | 1047 | "symbol \"%s\" is unsupported 'indirect' reference: setting to undefined\n", |
3af9a47b NC |
1048 | s->name); |
1049 | s->section = bfd_und_section_ptr; | |
1050 | break; | |
1051 | default: | |
1052 | fprintf (stderr, "bfd_mach_o_scan_read_symtab_symbol: " | |
a95a4550 | 1053 | "symbol \"%s\" specified invalid type field 0x%x: setting to undefined\n", |
3af9a47b NC |
1054 | s->name, symtype); |
1055 | s->section = bfd_und_section_ptr; | |
1056 | break; | |
1057 | } | |
1058 | } | |
1059 | ||
1060 | return 0; | |
1061 | } | |
1062 | ||
1063 | int | |
116c20d2 NC |
1064 | bfd_mach_o_scan_read_symtab_strtab (bfd *abfd, |
1065 | bfd_mach_o_symtab_command *sym) | |
3af9a47b NC |
1066 | { |
1067 | BFD_ASSERT (sym->strtab == NULL); | |
1068 | ||
1069 | if (abfd->flags & BFD_IN_MEMORY) | |
1070 | { | |
1071 | struct bfd_in_memory *b; | |
1072 | ||
1073 | b = (struct bfd_in_memory *) abfd->iostream; | |
1074 | ||
1075 | if ((sym->stroff + sym->strsize) > b->size) | |
1076 | { | |
1077 | bfd_set_error (bfd_error_file_truncated); | |
1078 | return -1; | |
1079 | } | |
f075ee0c | 1080 | sym->strtab = (char *) b->buffer + sym->stroff; |
3af9a47b NC |
1081 | return 0; |
1082 | } | |
1083 | ||
1084 | sym->strtab = bfd_alloc (abfd, sym->strsize); | |
1085 | if (sym->strtab == NULL) | |
1086 | return -1; | |
1087 | ||
1088 | bfd_seek (abfd, sym->stroff, SEEK_SET); | |
1089 | if (bfd_bread ((PTR) sym->strtab, sym->strsize, abfd) != sym->strsize) | |
1090 | { | |
1091 | fprintf (stderr, "bfd_mach_o_scan_read_symtab_strtab: unable to read %lu bytes at %lu\n", | |
1092 | sym->strsize, sym->stroff); | |
a95a4550 | 1093 | return -1; |
3af9a47b NC |
1094 | } |
1095 | ||
1096 | return 0; | |
1097 | } | |
1098 | ||
a95a4550 | 1099 | int |
116c20d2 NC |
1100 | bfd_mach_o_scan_read_symtab_symbols (bfd *abfd, |
1101 | bfd_mach_o_symtab_command *sym) | |
3af9a47b NC |
1102 | { |
1103 | unsigned long i; | |
1104 | int ret; | |
1105 | ||
1106 | BFD_ASSERT (sym->symbols == NULL); | |
1107 | sym->symbols = bfd_alloc (abfd, sym->nsyms * sizeof (asymbol)); | |
1108 | ||
1109 | if (sym->symbols == NULL) | |
1110 | { | |
1111 | fprintf (stderr, "bfd_mach_o_scan_read_symtab_symbols: unable to allocate memory for symbols\n"); | |
a95a4550 | 1112 | return -1; |
3af9a47b | 1113 | } |
a95a4550 | 1114 | |
3af9a47b NC |
1115 | ret = bfd_mach_o_scan_read_symtab_strtab (abfd, sym); |
1116 | if (ret != 0) | |
1117 | return ret; | |
1118 | ||
1119 | for (i = 0; i < sym->nsyms; i++) | |
1120 | { | |
1121 | ret = bfd_mach_o_scan_read_symtab_symbol (abfd, sym, &sym->symbols[i], i); | |
1122 | if (ret != 0) | |
1123 | return ret; | |
1124 | } | |
a95a4550 | 1125 | |
3af9a47b NC |
1126 | return 0; |
1127 | } | |
1128 | ||
1129 | int | |
116c20d2 NC |
1130 | bfd_mach_o_scan_read_dysymtab_symbol (bfd *abfd, |
1131 | bfd_mach_o_dysymtab_command *dysym, | |
1132 | bfd_mach_o_symtab_command *sym, | |
1133 | asymbol *s, | |
1134 | unsigned long i) | |
3af9a47b NC |
1135 | { |
1136 | unsigned long isymoff = dysym->indirectsymoff + (i * 4); | |
1137 | unsigned long symindex; | |
1138 | unsigned char buf[4]; | |
1139 | ||
1140 | BFD_ASSERT (i < dysym->nindirectsyms); | |
a95a4550 | 1141 | |
3af9a47b NC |
1142 | bfd_seek (abfd, isymoff, SEEK_SET); |
1143 | if (bfd_bread ((PTR) buf, 4, abfd) != 4) | |
1144 | { | |
1145 | fprintf (stderr, "bfd_mach_o_scan_read_dysymtab_symbol: unable to read %lu bytes at %lu\n", | |
1146 | (unsigned long) 4, isymoff); | |
1147 | return -1; | |
1148 | } | |
1149 | symindex = bfd_h_get_32 (abfd, buf); | |
a95a4550 | 1150 | |
3af9a47b NC |
1151 | return bfd_mach_o_scan_read_symtab_symbol (abfd, sym, s, symindex); |
1152 | } | |
1153 | ||
1154 | static const char * | |
116c20d2 | 1155 | bfd_mach_o_i386_flavour_string (unsigned int flavour) |
3af9a47b NC |
1156 | { |
1157 | switch ((int) flavour) | |
1158 | { | |
15e1c58a TG |
1159 | case BFD_MACH_O_x86_THREAD_STATE32: return "x86_THREAD_STATE32"; |
1160 | case BFD_MACH_O_x86_FLOAT_STATE32: return "x86_FLOAT_STATE32"; | |
1161 | case BFD_MACH_O_x86_EXCEPTION_STATE32: return "x86_EXCEPTION_STATE32"; | |
1162 | case BFD_MACH_O_x86_THREAD_STATE64: return "x86_THREAD_STATE64"; | |
1163 | case BFD_MACH_O_x86_FLOAT_STATE64: return "x86_FLOAT_STATE64"; | |
1164 | case BFD_MACH_O_x86_EXCEPTION_STATE64: return "x86_EXCEPTION_STATE64"; | |
1165 | case BFD_MACH_O_x86_THREAD_STATE: return "x86_THREAD_STATE"; | |
1166 | case BFD_MACH_O_x86_FLOAT_STATE: return "x86_FLOAT_STATE"; | |
1167 | case BFD_MACH_O_x86_EXCEPTION_STATE: return "x86_EXCEPTION_STATE"; | |
1168 | case BFD_MACH_O_x86_DEBUG_STATE32: return "x86_DEBUG_STATE32"; | |
1169 | case BFD_MACH_O_x86_DEBUG_STATE64: return "x86_DEBUG_STATE64"; | |
1170 | case BFD_MACH_O_x86_DEBUG_STATE: return "x86_DEBUG_STATE"; | |
1171 | case BFD_MACH_O_THREAD_STATE_NONE: return "THREAD_STATE_NONE"; | |
3af9a47b NC |
1172 | default: return "UNKNOWN"; |
1173 | } | |
1174 | } | |
1175 | ||
1176 | static const char * | |
116c20d2 | 1177 | bfd_mach_o_ppc_flavour_string (unsigned int flavour) |
3af9a47b NC |
1178 | { |
1179 | switch ((int) flavour) | |
1180 | { | |
1181 | case BFD_MACH_O_PPC_THREAD_STATE: return "PPC_THREAD_STATE"; | |
1182 | case BFD_MACH_O_PPC_FLOAT_STATE: return "PPC_FLOAT_STATE"; | |
1183 | case BFD_MACH_O_PPC_EXCEPTION_STATE: return "PPC_EXCEPTION_STATE"; | |
1184 | case BFD_MACH_O_PPC_VECTOR_STATE: return "PPC_VECTOR_STATE"; | |
1185 | default: return "UNKNOWN"; | |
1186 | } | |
1187 | } | |
1188 | ||
1189 | static int | |
116c20d2 NC |
1190 | bfd_mach_o_scan_read_dylinker (bfd *abfd, |
1191 | bfd_mach_o_load_command *command) | |
3af9a47b NC |
1192 | { |
1193 | bfd_mach_o_dylinker_command *cmd = &command->command.dylinker; | |
1194 | unsigned char buf[4]; | |
1195 | unsigned int nameoff; | |
1196 | asection *bfdsec; | |
1197 | char *sname; | |
1198 | const char *prefix; | |
1199 | ||
1200 | BFD_ASSERT ((command->type == BFD_MACH_O_LC_ID_DYLINKER) | |
1201 | || (command->type == BFD_MACH_O_LC_LOAD_DYLINKER)); | |
1202 | ||
1203 | bfd_seek (abfd, command->offset + 8, SEEK_SET); | |
1204 | if (bfd_bread ((PTR) buf, 4, abfd) != 4) | |
1205 | return -1; | |
1206 | ||
1207 | nameoff = bfd_h_get_32 (abfd, buf + 0); | |
1208 | ||
1209 | cmd->name_offset = command->offset + nameoff; | |
1210 | cmd->name_len = command->len - nameoff; | |
1211 | ||
1212 | if (command->type == BFD_MACH_O_LC_LOAD_DYLINKER) | |
1213 | prefix = "LC_LOAD_DYLINKER"; | |
1214 | else if (command->type == BFD_MACH_O_LC_ID_DYLINKER) | |
1215 | prefix = "LC_ID_DYLINKER"; | |
1216 | else | |
1217 | abort (); | |
1218 | ||
116c20d2 | 1219 | sname = bfd_alloc (abfd, strlen (prefix) + 1); |
3af9a47b NC |
1220 | if (sname == NULL) |
1221 | return -1; | |
1222 | strcpy (sname, prefix); | |
1223 | ||
117ed4f8 | 1224 | bfdsec = bfd_make_section_anyway_with_flags (abfd, sname, SEC_HAS_CONTENTS); |
3af9a47b NC |
1225 | if (bfdsec == NULL) |
1226 | return -1; | |
a95a4550 | 1227 | |
3af9a47b NC |
1228 | bfdsec->vma = 0; |
1229 | bfdsec->lma = 0; | |
846b9259 TG |
1230 | bfdsec->size = command->len - nameoff; |
1231 | bfdsec->filepos = command->offset + nameoff; | |
3af9a47b | 1232 | bfdsec->alignment_power = 0; |
3af9a47b NC |
1233 | |
1234 | cmd->section = bfdsec; | |
1235 | ||
1236 | return 0; | |
1237 | } | |
1238 | ||
1239 | static int | |
116c20d2 | 1240 | bfd_mach_o_scan_read_dylib (bfd *abfd, bfd_mach_o_load_command *command) |
3af9a47b NC |
1241 | { |
1242 | bfd_mach_o_dylib_command *cmd = &command->command.dylib; | |
1243 | unsigned char buf[16]; | |
1244 | unsigned int nameoff; | |
1245 | asection *bfdsec; | |
1246 | char *sname; | |
1247 | const char *prefix; | |
1248 | ||
1249 | BFD_ASSERT ((command->type == BFD_MACH_O_LC_ID_DYLIB) | |
1250 | || (command->type == BFD_MACH_O_LC_LOAD_DYLIB) | |
1251 | || (command->type == BFD_MACH_O_LC_LOAD_WEAK_DYLIB)); | |
1252 | ||
1253 | bfd_seek (abfd, command->offset + 8, SEEK_SET); | |
1254 | if (bfd_bread ((PTR) buf, 16, abfd) != 16) | |
1255 | return -1; | |
1256 | ||
1257 | nameoff = bfd_h_get_32 (abfd, buf + 0); | |
1258 | cmd->timestamp = bfd_h_get_32 (abfd, buf + 4); | |
1259 | cmd->current_version = bfd_h_get_32 (abfd, buf + 8); | |
1260 | cmd->compatibility_version = bfd_h_get_32 (abfd, buf + 12); | |
1261 | ||
1262 | cmd->name_offset = command->offset + nameoff; | |
1263 | cmd->name_len = command->len - nameoff; | |
1264 | ||
1265 | if (command->type == BFD_MACH_O_LC_LOAD_DYLIB) | |
1266 | prefix = "LC_LOAD_DYLIB"; | |
1267 | else if (command->type == BFD_MACH_O_LC_LOAD_WEAK_DYLIB) | |
1268 | prefix = "LC_LOAD_WEAK_DYLIB"; | |
1269 | else if (command->type == BFD_MACH_O_LC_ID_DYLIB) | |
1270 | prefix = "LC_ID_DYLIB"; | |
1271 | else | |
1272 | abort (); | |
1273 | ||
116c20d2 | 1274 | sname = bfd_alloc (abfd, strlen (prefix) + 1); |
3af9a47b NC |
1275 | if (sname == NULL) |
1276 | return -1; | |
1277 | strcpy (sname, prefix); | |
1278 | ||
117ed4f8 | 1279 | bfdsec = bfd_make_section_anyway_with_flags (abfd, sname, SEC_HAS_CONTENTS); |
3af9a47b NC |
1280 | if (bfdsec == NULL) |
1281 | return -1; | |
a95a4550 | 1282 | |
3af9a47b NC |
1283 | bfdsec->vma = 0; |
1284 | bfdsec->lma = 0; | |
eea6121a | 1285 | bfdsec->size = command->len - 8; |
3af9a47b NC |
1286 | bfdsec->filepos = command->offset + 8; |
1287 | bfdsec->alignment_power = 0; | |
3af9a47b NC |
1288 | |
1289 | cmd->section = bfdsec; | |
1290 | ||
1291 | return 0; | |
1292 | } | |
1293 | ||
1294 | static int | |
116c20d2 NC |
1295 | bfd_mach_o_scan_read_prebound_dylib (bfd *abfd ATTRIBUTE_UNUSED, |
1296 | bfd_mach_o_load_command *command ATTRIBUTE_UNUSED) | |
3af9a47b NC |
1297 | { |
1298 | /* bfd_mach_o_prebound_dylib_command *cmd = &command->command.prebound_dylib; */ | |
1299 | ||
1300 | BFD_ASSERT (command->type == BFD_MACH_O_LC_PREBOUND_DYLIB); | |
1301 | return 0; | |
1302 | } | |
1303 | ||
1304 | static int | |
116c20d2 | 1305 | bfd_mach_o_scan_read_thread (bfd *abfd, bfd_mach_o_load_command *command) |
3af9a47b NC |
1306 | { |
1307 | bfd_mach_o_data_struct *mdata = NULL; | |
1308 | bfd_mach_o_thread_command *cmd = &command->command.thread; | |
1309 | unsigned char buf[8]; | |
1310 | bfd_vma offset; | |
1311 | unsigned int nflavours; | |
1312 | unsigned int i; | |
1313 | ||
1314 | BFD_ASSERT ((command->type == BFD_MACH_O_LC_THREAD) | |
1315 | || (command->type == BFD_MACH_O_LC_UNIXTHREAD)); | |
1316 | ||
1317 | BFD_ASSERT (bfd_mach_o_valid (abfd)); | |
1318 | mdata = abfd->tdata.mach_o_data; | |
a95a4550 | 1319 | |
3af9a47b NC |
1320 | offset = 8; |
1321 | nflavours = 0; | |
1322 | while (offset != command->len) | |
1323 | { | |
1324 | if (offset >= command->len) | |
1325 | return -1; | |
1326 | ||
1327 | bfd_seek (abfd, command->offset + offset, SEEK_SET); | |
1328 | ||
1329 | if (bfd_bread ((PTR) buf, 8, abfd) != 8) | |
1330 | return -1; | |
1331 | ||
1332 | offset += 8 + bfd_h_get_32 (abfd, buf + 4) * 4; | |
1333 | nflavours++; | |
1334 | } | |
1335 | ||
116c20d2 | 1336 | cmd->flavours = bfd_alloc (abfd, nflavours * sizeof (bfd_mach_o_thread_flavour)); |
3af9a47b NC |
1337 | if (cmd->flavours == NULL) |
1338 | return -1; | |
1339 | cmd->nflavours = nflavours; | |
1340 | ||
1341 | offset = 8; | |
1342 | nflavours = 0; | |
1343 | while (offset != command->len) | |
1344 | { | |
1345 | if (offset >= command->len) | |
1346 | return -1; | |
1347 | ||
1348 | if (nflavours >= cmd->nflavours) | |
1349 | return -1; | |
1350 | ||
1351 | bfd_seek (abfd, command->offset + offset, SEEK_SET); | |
1352 | ||
1353 | if (bfd_bread ((PTR) buf, 8, abfd) != 8) | |
1354 | return -1; | |
1355 | ||
1356 | cmd->flavours[nflavours].flavour = bfd_h_get_32 (abfd, buf); | |
1357 | cmd->flavours[nflavours].offset = command->offset + offset + 8; | |
1358 | cmd->flavours[nflavours].size = bfd_h_get_32 (abfd, buf + 4) * 4; | |
1359 | offset += cmd->flavours[nflavours].size + 8; | |
1360 | nflavours++; | |
1361 | } | |
1362 | ||
1363 | for (i = 0; i < nflavours; i++) | |
1364 | { | |
1365 | asection *bfdsec; | |
1366 | unsigned int snamelen; | |
1367 | char *sname; | |
1368 | const char *flavourstr; | |
1369 | const char *prefix = "LC_THREAD"; | |
a95a4550 AM |
1370 | unsigned int j = 0; |
1371 | ||
3af9a47b NC |
1372 | switch (mdata->header.cputype) |
1373 | { | |
1374 | case BFD_MACH_O_CPU_TYPE_POWERPC: | |
1e8a024a | 1375 | case BFD_MACH_O_CPU_TYPE_POWERPC_64: |
3af9a47b NC |
1376 | flavourstr = bfd_mach_o_ppc_flavour_string (cmd->flavours[i].flavour); |
1377 | break; | |
1378 | case BFD_MACH_O_CPU_TYPE_I386: | |
1e8a024a | 1379 | case BFD_MACH_O_CPU_TYPE_X86_64: |
3af9a47b NC |
1380 | flavourstr = bfd_mach_o_i386_flavour_string (cmd->flavours[i].flavour); |
1381 | break; | |
1382 | default: | |
1383 | flavourstr = "UNKNOWN_ARCHITECTURE"; | |
1384 | break; | |
1385 | } | |
a95a4550 | 1386 | |
3af9a47b | 1387 | snamelen = strlen (prefix) + 1 + 20 + 1 + strlen (flavourstr) + 1; |
116c20d2 | 1388 | sname = bfd_alloc (abfd, snamelen); |
3af9a47b NC |
1389 | if (sname == NULL) |
1390 | return -1; | |
1391 | ||
1392 | for (;;) | |
1393 | { | |
a95a4550 AM |
1394 | sprintf (sname, "%s.%s.%u", prefix, flavourstr, j); |
1395 | if (bfd_get_section_by_name (abfd, sname) == NULL) | |
3af9a47b | 1396 | break; |
a95a4550 | 1397 | j++; |
3af9a47b NC |
1398 | } |
1399 | ||
117ed4f8 | 1400 | bfdsec = bfd_make_section_with_flags (abfd, sname, SEC_HAS_CONTENTS); |
a95a4550 | 1401 | |
3af9a47b NC |
1402 | bfdsec->vma = 0; |
1403 | bfdsec->lma = 0; | |
eea6121a | 1404 | bfdsec->size = cmd->flavours[i].size; |
3af9a47b NC |
1405 | bfdsec->filepos = cmd->flavours[i].offset; |
1406 | bfdsec->alignment_power = 0x0; | |
3af9a47b NC |
1407 | |
1408 | cmd->section = bfdsec; | |
1409 | } | |
1410 | ||
1411 | return 0; | |
1412 | } | |
1413 | ||
a95a4550 | 1414 | static int |
116c20d2 | 1415 | bfd_mach_o_scan_read_dysymtab (bfd *abfd, bfd_mach_o_load_command *command) |
3af9a47b NC |
1416 | { |
1417 | bfd_mach_o_dysymtab_command *seg = &command->command.dysymtab; | |
1418 | unsigned char buf[72]; | |
1419 | ||
1420 | BFD_ASSERT (command->type == BFD_MACH_O_LC_DYSYMTAB); | |
1421 | ||
1422 | bfd_seek (abfd, command->offset + 8, SEEK_SET); | |
1423 | if (bfd_bread ((PTR) buf, 72, abfd) != 72) | |
1424 | return -1; | |
1425 | ||
1426 | seg->ilocalsym = bfd_h_get_32 (abfd, buf + 0); | |
1427 | seg->nlocalsym = bfd_h_get_32 (abfd, buf + 4); | |
1428 | seg->iextdefsym = bfd_h_get_32 (abfd, buf + 8); | |
1429 | seg->nextdefsym = bfd_h_get_32 (abfd, buf + 12); | |
1430 | seg->iundefsym = bfd_h_get_32 (abfd, buf + 16); | |
1431 | seg->nundefsym = bfd_h_get_32 (abfd, buf + 20); | |
1432 | seg->tocoff = bfd_h_get_32 (abfd, buf + 24); | |
1433 | seg->ntoc = bfd_h_get_32 (abfd, buf + 28); | |
1434 | seg->modtaboff = bfd_h_get_32 (abfd, buf + 32); | |
1435 | seg->nmodtab = bfd_h_get_32 (abfd, buf + 36); | |
1436 | seg->extrefsymoff = bfd_h_get_32 (abfd, buf + 40); | |
1437 | seg->nextrefsyms = bfd_h_get_32 (abfd, buf + 44); | |
1438 | seg->indirectsymoff = bfd_h_get_32 (abfd, buf + 48); | |
1439 | seg->nindirectsyms = bfd_h_get_32 (abfd, buf + 52); | |
1440 | seg->extreloff = bfd_h_get_32 (abfd, buf + 56); | |
1441 | seg->nextrel = bfd_h_get_32 (abfd, buf + 60); | |
1442 | seg->locreloff = bfd_h_get_32 (abfd, buf + 64); | |
1443 | seg->nlocrel = bfd_h_get_32 (abfd, buf + 68); | |
1444 | ||
1445 | return 0; | |
1446 | } | |
1447 | ||
a95a4550 | 1448 | static int |
116c20d2 | 1449 | bfd_mach_o_scan_read_symtab (bfd *abfd, bfd_mach_o_load_command *command) |
3af9a47b NC |
1450 | { |
1451 | bfd_mach_o_symtab_command *seg = &command->command.symtab; | |
1452 | unsigned char buf[16]; | |
1453 | asection *bfdsec; | |
1454 | char *sname; | |
1455 | const char *prefix = "LC_SYMTAB.stabs"; | |
1e8a024a | 1456 | int nlist_size = (bfd_mach_o_version (abfd) > 1) ? 16 : 12; |
3af9a47b NC |
1457 | |
1458 | BFD_ASSERT (command->type == BFD_MACH_O_LC_SYMTAB); | |
1459 | ||
1460 | bfd_seek (abfd, command->offset + 8, SEEK_SET); | |
1461 | if (bfd_bread ((PTR) buf, 16, abfd) != 16) | |
1462 | return -1; | |
a95a4550 | 1463 | |
3af9a47b NC |
1464 | seg->symoff = bfd_h_get_32 (abfd, buf); |
1465 | seg->nsyms = bfd_h_get_32 (abfd, buf + 4); | |
1466 | seg->stroff = bfd_h_get_32 (abfd, buf + 8); | |
1467 | seg->strsize = bfd_h_get_32 (abfd, buf + 12); | |
1468 | seg->symbols = NULL; | |
1469 | seg->strtab = NULL; | |
1470 | ||
116c20d2 | 1471 | sname = bfd_alloc (abfd, strlen (prefix) + 1); |
3af9a47b NC |
1472 | if (sname == NULL) |
1473 | return -1; | |
1474 | strcpy (sname, prefix); | |
1475 | ||
117ed4f8 | 1476 | bfdsec = bfd_make_section_anyway_with_flags (abfd, sname, SEC_HAS_CONTENTS); |
3af9a47b NC |
1477 | if (bfdsec == NULL) |
1478 | return -1; | |
a95a4550 | 1479 | |
3af9a47b NC |
1480 | bfdsec->vma = 0; |
1481 | bfdsec->lma = 0; | |
1e8a024a | 1482 | bfdsec->size = seg->nsyms * nlist_size; |
3af9a47b NC |
1483 | bfdsec->filepos = seg->symoff; |
1484 | bfdsec->alignment_power = 0; | |
3af9a47b NC |
1485 | |
1486 | seg->stabs_segment = bfdsec; | |
1487 | ||
15e1c58a TG |
1488 | if (seg->nsyms != 0) |
1489 | abfd->flags |= HAS_SYMS; | |
1490 | ||
3af9a47b | 1491 | prefix = "LC_SYMTAB.stabstr"; |
116c20d2 | 1492 | sname = bfd_alloc (abfd, strlen (prefix) + 1); |
3af9a47b NC |
1493 | if (sname == NULL) |
1494 | return -1; | |
1495 | strcpy (sname, prefix); | |
1496 | ||
117ed4f8 | 1497 | bfdsec = bfd_make_section_anyway_with_flags (abfd, sname, SEC_HAS_CONTENTS); |
3af9a47b NC |
1498 | if (bfdsec == NULL) |
1499 | return -1; | |
a95a4550 | 1500 | |
3af9a47b NC |
1501 | bfdsec->vma = 0; |
1502 | bfdsec->lma = 0; | |
eea6121a | 1503 | bfdsec->size = seg->strsize; |
3af9a47b NC |
1504 | bfdsec->filepos = seg->stroff; |
1505 | bfdsec->alignment_power = 0; | |
3af9a47b NC |
1506 | |
1507 | seg->stabstr_segment = bfdsec; | |
1508 | ||
1509 | return 0; | |
1510 | } | |
1511 | ||
15e1c58a TG |
1512 | static int |
1513 | bfd_mach_o_scan_read_uuid (bfd *abfd, bfd_mach_o_load_command *command) | |
1514 | { | |
1515 | bfd_mach_o_uuid_command *cmd = &command->command.uuid; | |
1516 | asection *bfdsec; | |
1517 | char *sname; | |
1518 | static const char prefix[] = "LC_UUID"; | |
1519 | ||
1520 | BFD_ASSERT (command->type == BFD_MACH_O_LC_UUID); | |
1521 | ||
1522 | bfd_seek (abfd, command->offset + 8, SEEK_SET); | |
1523 | if (bfd_bread ((PTR) cmd->uuid, 16, abfd) != 16) | |
1524 | return -1; | |
1525 | ||
1526 | sname = bfd_alloc (abfd, strlen (prefix) + 1); | |
1527 | if (sname == NULL) | |
1528 | return -1; | |
1529 | strcpy (sname, prefix); | |
1530 | ||
1531 | bfdsec = bfd_make_section_anyway_with_flags (abfd, sname, SEC_HAS_CONTENTS); | |
1532 | if (bfdsec == NULL) | |
1533 | return -1; | |
1534 | ||
1535 | bfdsec->vma = 0; | |
1536 | bfdsec->lma = 0; | |
1537 | bfdsec->size = command->len - 8; | |
1538 | bfdsec->filepos = command->offset + 8; | |
1539 | bfdsec->alignment_power = 0; | |
1540 | ||
1541 | cmd->section = bfdsec; | |
1542 | ||
1543 | return 0; | |
1544 | } | |
1545 | ||
3af9a47b | 1546 | static int |
1e8a024a TG |
1547 | bfd_mach_o_scan_read_segment (bfd *abfd, |
1548 | bfd_mach_o_load_command *command, | |
1549 | unsigned int wide) | |
3af9a47b | 1550 | { |
1e8a024a | 1551 | unsigned char buf[64]; |
3af9a47b NC |
1552 | bfd_mach_o_segment_command *seg = &command->command.segment; |
1553 | unsigned long i; | |
1554 | asection *bfdsec; | |
1555 | char *sname; | |
1556 | const char *prefix = "LC_SEGMENT"; | |
1557 | unsigned int snamelen; | |
a95a4550 | 1558 | |
1e8a024a TG |
1559 | if (wide) |
1560 | { | |
1561 | BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT_64); | |
3af9a47b | 1562 | |
1e8a024a TG |
1563 | bfd_seek (abfd, command->offset + 8, SEEK_SET); |
1564 | if (bfd_bread ((PTR) buf, 64, abfd) != 64) | |
1565 | return -1; | |
3af9a47b | 1566 | |
1e8a024a | 1567 | memcpy (seg->segname, buf, 16); |
15e1c58a | 1568 | seg->segname[16] = '\0'; |
1e8a024a TG |
1569 | |
1570 | seg->vmaddr = bfd_h_get_64 (abfd, buf + 16); | |
1571 | seg->vmsize = bfd_h_get_64 (abfd, buf + 24); | |
1572 | seg->fileoff = bfd_h_get_64 (abfd, buf + 32); | |
1573 | seg->filesize = bfd_h_get_64 (abfd, buf + 40); | |
1574 | seg->maxprot = bfd_h_get_32 (abfd, buf + 48); | |
1575 | seg->initprot = bfd_h_get_32 (abfd, buf + 52); | |
1576 | seg->nsects = bfd_h_get_32 (abfd, buf + 56); | |
1577 | seg->flags = bfd_h_get_32 (abfd, buf + 60); | |
1578 | } | |
1579 | else | |
1580 | { | |
1581 | BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT); | |
1582 | ||
1583 | bfd_seek (abfd, command->offset + 8, SEEK_SET); | |
1584 | if (bfd_bread ((PTR) buf, 48, abfd) != 48) | |
1585 | return -1; | |
1586 | ||
1587 | memcpy (seg->segname, buf, 16); | |
15e1c58a | 1588 | seg->segname[16] = '\0'; |
1e8a024a TG |
1589 | |
1590 | seg->vmaddr = bfd_h_get_32 (abfd, buf + 16); | |
1591 | seg->vmsize = bfd_h_get_32 (abfd, buf + 20); | |
1592 | seg->fileoff = bfd_h_get_32 (abfd, buf + 24); | |
1593 | seg->filesize = bfd_h_get_32 (abfd, buf + 28); | |
1594 | seg->maxprot = bfd_h_get_32 (abfd, buf + 32); | |
1595 | seg->initprot = bfd_h_get_32 (abfd, buf + 36); | |
1596 | seg->nsects = bfd_h_get_32 (abfd, buf + 40); | |
1597 | seg->flags = bfd_h_get_32 (abfd, buf + 44); | |
1598 | } | |
3af9a47b NC |
1599 | |
1600 | snamelen = strlen (prefix) + 1 + strlen (seg->segname) + 1; | |
116c20d2 | 1601 | sname = bfd_alloc (abfd, snamelen); |
3af9a47b NC |
1602 | if (sname == NULL) |
1603 | return -1; | |
846b9259 TG |
1604 | if (strcmp (seg->segname, "__TEXT") == 0 |
1605 | || strcmp (seg->segname, "__DATA") == 0 | |
1606 | || strcmp (seg->segname, "__IMPORT") == 0 | |
1607 | || strcmp (seg->segname, "__LINKEDIT") == 0) | |
1608 | strcpy (sname, seg->segname); | |
1609 | else | |
1610 | sprintf (sname, "%s.%s", prefix, seg->segname); | |
3af9a47b | 1611 | |
1e8a024a | 1612 | bfdsec = bfd_make_section_anyway (abfd, sname); |
3af9a47b NC |
1613 | if (bfdsec == NULL) |
1614 | return -1; | |
1615 | ||
1616 | bfdsec->vma = seg->vmaddr; | |
1617 | bfdsec->lma = seg->vmaddr; | |
eea6121a | 1618 | bfdsec->size = seg->filesize; |
3af9a47b NC |
1619 | bfdsec->filepos = seg->fileoff; |
1620 | bfdsec->alignment_power = 0x0; | |
15e1c58a | 1621 | bfdsec->flags = SEC_HAS_CONTENTS; |
1e8a024a | 1622 | bfdsec->segment_mark = 1; |
3af9a47b NC |
1623 | |
1624 | seg->segment = bfdsec; | |
1625 | ||
1626 | if (seg->nsects != 0) | |
1627 | { | |
116c20d2 | 1628 | seg->sections = bfd_alloc (abfd, seg->nsects * sizeof (bfd_mach_o_section)); |
3af9a47b NC |
1629 | if (seg->sections == NULL) |
1630 | return -1; | |
a95a4550 | 1631 | |
3af9a47b NC |
1632 | for (i = 0; i < seg->nsects; i++) |
1633 | { | |
1e8a024a TG |
1634 | bfd_vma segoff; |
1635 | if (wide) | |
1636 | segoff = command->offset + 64 + 8 + (i * 80); | |
1637 | else | |
1638 | segoff = command->offset + 48 + 8 + (i * 68); | |
3af9a47b | 1639 | |
1e8a024a | 1640 | if (bfd_mach_o_scan_read_section |
15e1c58a | 1641 | (abfd, &seg->sections[i], segoff, seg->initprot, wide) != 0) |
3af9a47b | 1642 | return -1; |
a95a4550 | 1643 | } |
3af9a47b NC |
1644 | } |
1645 | ||
1646 | return 0; | |
1647 | } | |
1648 | ||
1e8a024a TG |
1649 | static int |
1650 | bfd_mach_o_scan_read_segment_32 (bfd *abfd, bfd_mach_o_load_command *command) | |
1651 | { | |
1652 | return bfd_mach_o_scan_read_segment (abfd, command, 0); | |
1653 | } | |
1654 | ||
1655 | static int | |
1656 | bfd_mach_o_scan_read_segment_64 (bfd *abfd, bfd_mach_o_load_command *command) | |
1657 | { | |
1658 | return bfd_mach_o_scan_read_segment (abfd, command, 1); | |
1659 | } | |
1660 | ||
3af9a47b | 1661 | static int |
116c20d2 | 1662 | bfd_mach_o_scan_read_command (bfd *abfd, bfd_mach_o_load_command *command) |
3af9a47b NC |
1663 | { |
1664 | unsigned char buf[8]; | |
1665 | ||
1666 | bfd_seek (abfd, command->offset, SEEK_SET); | |
1667 | if (bfd_bread ((PTR) buf, 8, abfd) != 8) | |
1668 | return -1; | |
1669 | ||
1670 | command->type = (bfd_h_get_32 (abfd, buf) & ~BFD_MACH_O_LC_REQ_DYLD); | |
e84d6fca AM |
1671 | command->type_required = (bfd_h_get_32 (abfd, buf) & BFD_MACH_O_LC_REQ_DYLD |
1672 | ? 1 : 0); | |
3af9a47b NC |
1673 | command->len = bfd_h_get_32 (abfd, buf + 4); |
1674 | ||
1675 | switch (command->type) | |
1676 | { | |
1677 | case BFD_MACH_O_LC_SEGMENT: | |
1e8a024a TG |
1678 | if (bfd_mach_o_scan_read_segment_32 (abfd, command) != 0) |
1679 | return -1; | |
1680 | break; | |
1681 | case BFD_MACH_O_LC_SEGMENT_64: | |
1682 | if (bfd_mach_o_scan_read_segment_64 (abfd, command) != 0) | |
3af9a47b NC |
1683 | return -1; |
1684 | break; | |
1685 | case BFD_MACH_O_LC_SYMTAB: | |
1686 | if (bfd_mach_o_scan_read_symtab (abfd, command) != 0) | |
1687 | return -1; | |
1688 | break; | |
1689 | case BFD_MACH_O_LC_SYMSEG: | |
1690 | break; | |
1691 | case BFD_MACH_O_LC_THREAD: | |
1692 | case BFD_MACH_O_LC_UNIXTHREAD: | |
1693 | if (bfd_mach_o_scan_read_thread (abfd, command) != 0) | |
1694 | return -1; | |
1695 | break; | |
1696 | case BFD_MACH_O_LC_LOAD_DYLINKER: | |
1697 | case BFD_MACH_O_LC_ID_DYLINKER: | |
1698 | if (bfd_mach_o_scan_read_dylinker (abfd, command) != 0) | |
1699 | return -1; | |
1700 | break; | |
1701 | case BFD_MACH_O_LC_LOAD_DYLIB: | |
1702 | case BFD_MACH_O_LC_ID_DYLIB: | |
1703 | case BFD_MACH_O_LC_LOAD_WEAK_DYLIB: | |
1704 | if (bfd_mach_o_scan_read_dylib (abfd, command) != 0) | |
1705 | return -1; | |
1706 | break; | |
1707 | case BFD_MACH_O_LC_PREBOUND_DYLIB: | |
1708 | if (bfd_mach_o_scan_read_prebound_dylib (abfd, command) != 0) | |
1709 | return -1; | |
1710 | break; | |
1711 | case BFD_MACH_O_LC_LOADFVMLIB: | |
1712 | case BFD_MACH_O_LC_IDFVMLIB: | |
1713 | case BFD_MACH_O_LC_IDENT: | |
1714 | case BFD_MACH_O_LC_FVMFILE: | |
1715 | case BFD_MACH_O_LC_PREPAGE: | |
1716 | case BFD_MACH_O_LC_ROUTINES: | |
1717 | case BFD_MACH_O_LC_SUB_FRAMEWORK: | |
1718 | break; | |
1719 | case BFD_MACH_O_LC_DYSYMTAB: | |
1720 | if (bfd_mach_o_scan_read_dysymtab (abfd, command) != 0) | |
1721 | return -1; | |
1722 | break; | |
1723 | case BFD_MACH_O_LC_SUB_UMBRELLA: | |
1724 | case BFD_MACH_O_LC_SUB_CLIENT: | |
1725 | case BFD_MACH_O_LC_SUB_LIBRARY: | |
1726 | case BFD_MACH_O_LC_TWOLEVEL_HINTS: | |
1727 | case BFD_MACH_O_LC_PREBIND_CKSUM: | |
1728 | break; | |
15e1c58a TG |
1729 | case BFD_MACH_O_LC_UUID: |
1730 | if (bfd_mach_o_scan_read_uuid (abfd, command) != 0) | |
1731 | return -1; | |
1732 | break; | |
1733 | case BFD_MACH_O_LC_CODE_SIGNATURE: | |
846b9259 TG |
1734 | case BFD_MACH_O_LC_SEGMENT_SPLIT_INFO: |
1735 | case BFD_MACH_O_LC_REEXPORT_DYLIB: | |
15e1c58a | 1736 | break; |
3af9a47b NC |
1737 | default: |
1738 | fprintf (stderr, "unable to read unknown load command 0x%lx\n", | |
1739 | (unsigned long) command->type); | |
1740 | break; | |
1741 | } | |
1742 | ||
1743 | return 0; | |
1744 | } | |
1745 | ||
1746 | static void | |
116c20d2 | 1747 | bfd_mach_o_flatten_sections (bfd *abfd) |
3af9a47b NC |
1748 | { |
1749 | bfd_mach_o_data_struct *mdata = abfd->tdata.mach_o_data; | |
1750 | long csect = 0; | |
1751 | unsigned long i, j; | |
a95a4550 | 1752 | |
15e1c58a | 1753 | /* Count total number of sections. */ |
3af9a47b NC |
1754 | mdata->nsects = 0; |
1755 | ||
1756 | for (i = 0; i < mdata->header.ncmds; i++) | |
1757 | { | |
1e8a024a TG |
1758 | if (mdata->commands[i].type == BFD_MACH_O_LC_SEGMENT |
1759 | || mdata->commands[i].type == BFD_MACH_O_LC_SEGMENT_64) | |
3af9a47b | 1760 | { |
e84d6fca AM |
1761 | bfd_mach_o_segment_command *seg; |
1762 | ||
1763 | seg = &mdata->commands[i].command.segment; | |
3af9a47b NC |
1764 | mdata->nsects += seg->nsects; |
1765 | } | |
1766 | } | |
1767 | ||
15e1c58a | 1768 | /* Allocate sections array. */ |
e84d6fca AM |
1769 | mdata->sections = bfd_alloc (abfd, |
1770 | mdata->nsects * sizeof (bfd_mach_o_section *)); | |
15e1c58a TG |
1771 | |
1772 | /* Fill the array. */ | |
3af9a47b NC |
1773 | csect = 0; |
1774 | ||
1775 | for (i = 0; i < mdata->header.ncmds; i++) | |
1776 | { | |
1e8a024a TG |
1777 | if (mdata->commands[i].type == BFD_MACH_O_LC_SEGMENT |
1778 | || mdata->commands[i].type == BFD_MACH_O_LC_SEGMENT_64) | |
3af9a47b | 1779 | { |
e84d6fca | 1780 | bfd_mach_o_segment_command *seg; |
3af9a47b | 1781 | |
e84d6fca | 1782 | seg = &mdata->commands[i].command.segment; |
3af9a47b NC |
1783 | BFD_ASSERT (csect + seg->nsects <= mdata->nsects); |
1784 | ||
1785 | for (j = 0; j < seg->nsects; j++) | |
1786 | mdata->sections[csect++] = &seg->sections[j]; | |
1787 | } | |
1788 | } | |
1789 | } | |
1790 | ||
1791 | int | |
116c20d2 | 1792 | bfd_mach_o_scan_start_address (bfd *abfd) |
3af9a47b NC |
1793 | { |
1794 | bfd_mach_o_data_struct *mdata = abfd->tdata.mach_o_data; | |
1795 | bfd_mach_o_thread_command *cmd = NULL; | |
1796 | unsigned long i; | |
1797 | ||
1798 | for (i = 0; i < mdata->header.ncmds; i++) | |
1799 | { | |
1800 | if ((mdata->commands[i].type == BFD_MACH_O_LC_THREAD) || | |
1801 | (mdata->commands[i].type == BFD_MACH_O_LC_UNIXTHREAD)) | |
1802 | { | |
1803 | if (cmd == NULL) | |
1804 | cmd = &mdata->commands[i].command.thread; | |
1805 | else | |
1806 | return 0; | |
1807 | } | |
1808 | } | |
1809 | ||
1810 | if (cmd == NULL) | |
1811 | return 0; | |
1812 | ||
1813 | for (i = 0; i < cmd->nflavours; i++) | |
1814 | { | |
a95a4550 | 1815 | if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_I386) |
e84d6fca | 1816 | && (cmd->flavours[i].flavour |
15e1c58a | 1817 | == (unsigned long) BFD_MACH_O_x86_THREAD_STATE32)) |
3af9a47b NC |
1818 | { |
1819 | unsigned char buf[4]; | |
1820 | ||
1821 | bfd_seek (abfd, cmd->flavours[i].offset + 40, SEEK_SET); | |
1822 | ||
1823 | if (bfd_bread (buf, 4, abfd) != 4) | |
1824 | return -1; | |
1825 | ||
1826 | abfd->start_address = bfd_h_get_32 (abfd, buf); | |
1827 | } | |
a95a4550 | 1828 | else if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_POWERPC) |
3af9a47b NC |
1829 | && (cmd->flavours[i].flavour == BFD_MACH_O_PPC_THREAD_STATE)) |
1830 | { | |
1831 | unsigned char buf[4]; | |
1832 | ||
1833 | bfd_seek (abfd, cmd->flavours[i].offset + 0, SEEK_SET); | |
1834 | ||
1835 | if (bfd_bread (buf, 4, abfd) != 4) | |
1836 | return -1; | |
1837 | ||
1838 | abfd->start_address = bfd_h_get_32 (abfd, buf); | |
1839 | } | |
1e8a024a TG |
1840 | else if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_POWERPC_64) |
1841 | && (cmd->flavours[i].flavour == BFD_MACH_O_PPC_THREAD_STATE_64)) | |
1842 | { | |
1843 | unsigned char buf[8]; | |
1844 | ||
1845 | bfd_seek (abfd, cmd->flavours[i].offset + 0, SEEK_SET); | |
1846 | ||
1847 | if (bfd_bread (buf, 8, abfd) != 8) | |
1848 | return -1; | |
1849 | ||
1850 | abfd->start_address = bfd_h_get_64 (abfd, buf); | |
1851 | } | |
1852 | else if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_X86_64) | |
1853 | && (cmd->flavours[i].flavour == BFD_MACH_O_x86_THREAD_STATE64)) | |
1854 | { | |
1855 | unsigned char buf[8]; | |
1856 | ||
1857 | bfd_seek (abfd, cmd->flavours[i].offset + (16 * 8), SEEK_SET); | |
1858 | ||
1859 | if (bfd_bread (buf, 8, abfd) != 8) | |
1860 | return -1; | |
1861 | ||
1862 | abfd->start_address = bfd_h_get_64 (abfd, buf); | |
1863 | } | |
3af9a47b NC |
1864 | } |
1865 | ||
1866 | return 0; | |
1867 | } | |
1868 | ||
1869 | int | |
116c20d2 NC |
1870 | bfd_mach_o_scan (bfd *abfd, |
1871 | bfd_mach_o_header *header, | |
1872 | bfd_mach_o_data_struct *mdata) | |
3af9a47b NC |
1873 | { |
1874 | unsigned int i; | |
3af9a47b NC |
1875 | enum bfd_architecture cputype; |
1876 | unsigned long cpusubtype; | |
1e8a024a TG |
1877 | unsigned int hdrsize; |
1878 | ||
1879 | hdrsize = (header->version == 2) ? 32 : 28; | |
3af9a47b | 1880 | |
3af9a47b NC |
1881 | mdata->header = *header; |
1882 | mdata->symbols = NULL; | |
1883 | ||
15e1c58a TG |
1884 | abfd->flags = abfd->flags & (BFD_IN_MEMORY | BFD_IO_FUNCS); |
1885 | switch (header->filetype) | |
1886 | { | |
1887 | case BFD_MACH_O_MH_OBJECT: | |
1888 | abfd->flags |= HAS_RELOC; | |
1889 | break; | |
1890 | case BFD_MACH_O_MH_EXECUTE: | |
1891 | abfd->flags |= EXEC_P; | |
1892 | break; | |
1893 | case BFD_MACH_O_MH_DYLIB: | |
1894 | case BFD_MACH_O_MH_BUNDLE: | |
1895 | abfd->flags |= DYNAMIC; | |
1896 | break; | |
1897 | } | |
1898 | ||
3af9a47b NC |
1899 | abfd->tdata.mach_o_data = mdata; |
1900 | ||
e84d6fca AM |
1901 | bfd_mach_o_convert_architecture (header->cputype, header->cpusubtype, |
1902 | &cputype, &cpusubtype); | |
3af9a47b NC |
1903 | if (cputype == bfd_arch_unknown) |
1904 | { | |
1905 | fprintf (stderr, "bfd_mach_o_scan: unknown architecture 0x%lx/0x%lx\n", | |
1906 | header->cputype, header->cpusubtype); | |
1907 | return -1; | |
1908 | } | |
1909 | ||
1910 | bfd_set_arch_mach (abfd, cputype, cpusubtype); | |
a95a4550 | 1911 | |
3af9a47b NC |
1912 | if (header->ncmds != 0) |
1913 | { | |
116c20d2 | 1914 | mdata->commands = bfd_alloc (abfd, header->ncmds * sizeof (bfd_mach_o_load_command)); |
3af9a47b NC |
1915 | if (mdata->commands == NULL) |
1916 | return -1; | |
a95a4550 | 1917 | |
3af9a47b NC |
1918 | for (i = 0; i < header->ncmds; i++) |
1919 | { | |
1920 | bfd_mach_o_load_command *cur = &mdata->commands[i]; | |
1921 | ||
1922 | if (i == 0) | |
1e8a024a | 1923 | cur->offset = hdrsize; |
3af9a47b NC |
1924 | else |
1925 | { | |
1926 | bfd_mach_o_load_command *prev = &mdata->commands[i - 1]; | |
1927 | cur->offset = prev->offset + prev->len; | |
1928 | } | |
1929 | ||
1930 | if (bfd_mach_o_scan_read_command (abfd, cur) < 0) | |
1931 | return -1; | |
a95a4550 | 1932 | } |
3af9a47b NC |
1933 | } |
1934 | ||
1935 | if (bfd_mach_o_scan_start_address (abfd) < 0) | |
7e3102a7 | 1936 | return -1; |
3af9a47b NC |
1937 | |
1938 | bfd_mach_o_flatten_sections (abfd); | |
3af9a47b NC |
1939 | return 0; |
1940 | } | |
1941 | ||
b34976b6 | 1942 | bfd_boolean |
116c20d2 | 1943 | bfd_mach_o_mkobject (bfd *abfd) |
3af9a47b NC |
1944 | { |
1945 | bfd_mach_o_data_struct *mdata = NULL; | |
1946 | ||
116c20d2 | 1947 | mdata = bfd_alloc (abfd, sizeof (bfd_mach_o_data_struct)); |
3af9a47b | 1948 | if (mdata == NULL) |
b34976b6 | 1949 | return FALSE; |
3af9a47b NC |
1950 | abfd->tdata.mach_o_data = mdata; |
1951 | ||
1952 | mdata->header.magic = 0; | |
1953 | mdata->header.cputype = 0; | |
1954 | mdata->header.cpusubtype = 0; | |
1955 | mdata->header.filetype = 0; | |
1956 | mdata->header.ncmds = 0; | |
1957 | mdata->header.sizeofcmds = 0; | |
1958 | mdata->header.flags = 0; | |
1959 | mdata->header.byteorder = BFD_ENDIAN_UNKNOWN; | |
1960 | mdata->commands = NULL; | |
1961 | mdata->nsymbols = 0; | |
1962 | mdata->symbols = NULL; | |
1963 | mdata->nsects = 0; | |
1964 | mdata->sections = NULL; | |
1965 | mdata->ibfd = NULL; | |
1966 | ||
b34976b6 | 1967 | return TRUE; |
3af9a47b NC |
1968 | } |
1969 | ||
1970 | const bfd_target * | |
116c20d2 | 1971 | bfd_mach_o_object_p (bfd *abfd) |
3af9a47b | 1972 | { |
e84d6fca | 1973 | struct bfd_preserve preserve; |
3af9a47b NC |
1974 | bfd_mach_o_header header; |
1975 | ||
e84d6fca | 1976 | preserve.marker = NULL; |
3af9a47b | 1977 | if (bfd_mach_o_read_header (abfd, &header) != 0) |
e84d6fca | 1978 | goto wrong; |
3af9a47b | 1979 | |
e84d6fca AM |
1980 | if (! (header.byteorder == BFD_ENDIAN_BIG |
1981 | || header.byteorder == BFD_ENDIAN_LITTLE)) | |
3af9a47b | 1982 | { |
e84d6fca | 1983 | fprintf (stderr, "unknown header byte-order value 0x%lx\n", |
0af1713e | 1984 | (unsigned long) header.byteorder); |
e84d6fca | 1985 | goto wrong; |
3af9a47b NC |
1986 | } |
1987 | ||
e84d6fca AM |
1988 | if (! ((header.byteorder == BFD_ENDIAN_BIG |
1989 | && abfd->xvec->byteorder == BFD_ENDIAN_BIG | |
1990 | && abfd->xvec->header_byteorder == BFD_ENDIAN_BIG) | |
1991 | || (header.byteorder == BFD_ENDIAN_LITTLE | |
1992 | && abfd->xvec->byteorder == BFD_ENDIAN_LITTLE | |
1993 | && abfd->xvec->header_byteorder == BFD_ENDIAN_LITTLE))) | |
1994 | goto wrong; | |
3af9a47b | 1995 | |
e84d6fca AM |
1996 | preserve.marker = bfd_zalloc (abfd, sizeof (bfd_mach_o_data_struct)); |
1997 | if (preserve.marker == NULL | |
1998 | || !bfd_preserve_save (abfd, &preserve)) | |
1999 | goto fail; | |
3af9a47b | 2000 | |
e84d6fca AM |
2001 | if (bfd_mach_o_scan (abfd, &header, |
2002 | (bfd_mach_o_data_struct *) preserve.marker) != 0) | |
2003 | goto wrong; | |
a95a4550 | 2004 | |
e84d6fca | 2005 | bfd_preserve_finish (abfd, &preserve); |
3af9a47b | 2006 | return abfd->xvec; |
e84d6fca AM |
2007 | |
2008 | wrong: | |
2009 | bfd_set_error (bfd_error_wrong_format); | |
2010 | ||
2011 | fail: | |
2012 | if (preserve.marker != NULL) | |
2013 | bfd_preserve_restore (abfd, &preserve); | |
2014 | return NULL; | |
3af9a47b NC |
2015 | } |
2016 | ||
2017 | const bfd_target * | |
116c20d2 | 2018 | bfd_mach_o_core_p (bfd *abfd) |
3af9a47b | 2019 | { |
e84d6fca | 2020 | struct bfd_preserve preserve; |
3af9a47b NC |
2021 | bfd_mach_o_header header; |
2022 | ||
e84d6fca | 2023 | preserve.marker = NULL; |
3af9a47b | 2024 | if (bfd_mach_o_read_header (abfd, &header) != 0) |
e84d6fca | 2025 | goto wrong; |
3af9a47b | 2026 | |
e84d6fca AM |
2027 | if (! (header.byteorder == BFD_ENDIAN_BIG |
2028 | || header.byteorder == BFD_ENDIAN_LITTLE)) | |
3af9a47b | 2029 | { |
e84d6fca | 2030 | fprintf (stderr, "unknown header byte-order value 0x%lx\n", |
0af1713e | 2031 | (unsigned long) header.byteorder); |
3af9a47b NC |
2032 | abort (); |
2033 | } | |
2034 | ||
e84d6fca AM |
2035 | if (! ((header.byteorder == BFD_ENDIAN_BIG |
2036 | && abfd->xvec->byteorder == BFD_ENDIAN_BIG | |
2037 | && abfd->xvec->header_byteorder == BFD_ENDIAN_BIG) | |
2038 | || (header.byteorder == BFD_ENDIAN_LITTLE | |
2039 | && abfd->xvec->byteorder == BFD_ENDIAN_LITTLE | |
2040 | && abfd->xvec->header_byteorder == BFD_ENDIAN_LITTLE))) | |
2041 | goto wrong; | |
3af9a47b NC |
2042 | |
2043 | if (header.filetype != BFD_MACH_O_MH_CORE) | |
e84d6fca | 2044 | goto wrong; |
3af9a47b | 2045 | |
e84d6fca AM |
2046 | preserve.marker = bfd_zalloc (abfd, sizeof (bfd_mach_o_data_struct)); |
2047 | if (preserve.marker == NULL | |
2048 | || !bfd_preserve_save (abfd, &preserve)) | |
2049 | goto fail; | |
a95a4550 | 2050 | |
e84d6fca AM |
2051 | if (bfd_mach_o_scan (abfd, &header, |
2052 | (bfd_mach_o_data_struct *) preserve.marker) != 0) | |
2053 | goto wrong; | |
2054 | ||
2055 | bfd_preserve_finish (abfd, &preserve); | |
3af9a47b | 2056 | return abfd->xvec; |
e84d6fca AM |
2057 | |
2058 | wrong: | |
2059 | bfd_set_error (bfd_error_wrong_format); | |
2060 | ||
2061 | fail: | |
2062 | if (preserve.marker != NULL) | |
2063 | bfd_preserve_restore (abfd, &preserve); | |
2064 | return NULL; | |
3af9a47b NC |
2065 | } |
2066 | ||
2067 | typedef struct mach_o_fat_archentry | |
2068 | { | |
2069 | unsigned long cputype; | |
2070 | unsigned long cpusubtype; | |
2071 | unsigned long offset; | |
2072 | unsigned long size; | |
2073 | unsigned long align; | |
3af9a47b NC |
2074 | } mach_o_fat_archentry; |
2075 | ||
2076 | typedef struct mach_o_fat_data_struct | |
2077 | { | |
2078 | unsigned long magic; | |
2079 | unsigned long nfat_arch; | |
2080 | mach_o_fat_archentry *archentries; | |
2081 | } mach_o_fat_data_struct; | |
2082 | ||
2083 | const bfd_target * | |
116c20d2 | 2084 | bfd_mach_o_archive_p (bfd *abfd) |
3af9a47b | 2085 | { |
e84d6fca | 2086 | mach_o_fat_data_struct *adata = NULL; |
3af9a47b NC |
2087 | unsigned char buf[20]; |
2088 | unsigned long i; | |
2089 | ||
2090 | bfd_seek (abfd, 0, SEEK_SET); | |
2091 | if (bfd_bread ((PTR) buf, 8, abfd) != 8) | |
e84d6fca | 2092 | goto error; |
3af9a47b | 2093 | |
116c20d2 | 2094 | adata = bfd_alloc (abfd, sizeof (mach_o_fat_data_struct)); |
3af9a47b | 2095 | if (adata == NULL) |
e84d6fca | 2096 | goto error; |
a95a4550 | 2097 | |
3af9a47b NC |
2098 | adata->magic = bfd_getb32 (buf); |
2099 | adata->nfat_arch = bfd_getb32 (buf + 4); | |
2100 | if (adata->magic != 0xcafebabe) | |
e84d6fca | 2101 | goto error; |
27cc28f9 AS |
2102 | /* Avoid matching Java bytecode files, which have the same magic number. |
2103 | In the Java bytecode file format this field contains the JVM version, | |
2104 | which starts at 43.0. */ | |
2105 | if (adata->nfat_arch > 30) | |
2106 | goto error; | |
3af9a47b | 2107 | |
116c20d2 | 2108 | adata->archentries = |
3af9a47b NC |
2109 | bfd_alloc (abfd, adata->nfat_arch * sizeof (mach_o_fat_archentry)); |
2110 | if (adata->archentries == NULL) | |
e84d6fca | 2111 | goto error; |
3af9a47b NC |
2112 | |
2113 | for (i = 0; i < adata->nfat_arch; i++) | |
2114 | { | |
2115 | bfd_seek (abfd, 8 + 20 * i, SEEK_SET); | |
2116 | ||
2117 | if (bfd_bread ((PTR) buf, 20, abfd) != 20) | |
e84d6fca | 2118 | goto error; |
3af9a47b NC |
2119 | adata->archentries[i].cputype = bfd_getb32 (buf); |
2120 | adata->archentries[i].cpusubtype = bfd_getb32 (buf + 4); | |
2121 | adata->archentries[i].offset = bfd_getb32 (buf + 8); | |
2122 | adata->archentries[i].size = bfd_getb32 (buf + 12); | |
2123 | adata->archentries[i].align = bfd_getb32 (buf + 16); | |
3af9a47b NC |
2124 | } |
2125 | ||
2126 | abfd->tdata.mach_o_fat_data = adata; | |
2127 | return abfd->xvec; | |
e84d6fca AM |
2128 | |
2129 | error: | |
2130 | if (adata != NULL) | |
2131 | bfd_release (abfd, adata); | |
2132 | bfd_set_error (bfd_error_wrong_format); | |
2133 | return NULL; | |
3af9a47b NC |
2134 | } |
2135 | ||
2136 | bfd * | |
116c20d2 | 2137 | bfd_mach_o_openr_next_archived_file (bfd *archive, bfd *prev) |
3af9a47b | 2138 | { |
e84d6fca | 2139 | mach_o_fat_data_struct *adata; |
3af9a47b NC |
2140 | mach_o_fat_archentry *entry = NULL; |
2141 | unsigned long i; | |
15e1c58a | 2142 | bfd *nbfd; |
15e1c58a TG |
2143 | enum bfd_architecture arch_type; |
2144 | unsigned long arch_subtype; | |
3af9a47b | 2145 | |
e84d6fca | 2146 | adata = (mach_o_fat_data_struct *) archive->tdata.mach_o_fat_data; |
3af9a47b NC |
2147 | BFD_ASSERT (adata != NULL); |
2148 | ||
2149 | /* Find index of previous entry. */ | |
2150 | if (prev == NULL) | |
2151 | i = 0; /* Start at first one. */ | |
2152 | else | |
2153 | { | |
2154 | for (i = 0; i < adata->nfat_arch; i++) | |
2155 | { | |
15e1c58a | 2156 | if (adata->archentries[i].offset == prev->origin) |
3af9a47b NC |
2157 | break; |
2158 | } | |
2159 | ||
2160 | if (i == adata->nfat_arch) | |
2161 | { | |
2162 | /* Not found. */ | |
2163 | bfd_set_error (bfd_error_bad_value); | |
a95a4550 | 2164 | return NULL; |
3af9a47b NC |
2165 | } |
2166 | i++; /* Get next entry. */ | |
2167 | } | |
a95a4550 | 2168 | |
3af9a47b NC |
2169 | if (i >= adata->nfat_arch) |
2170 | { | |
2171 | bfd_set_error (bfd_error_no_more_archived_files); | |
2172 | return NULL; | |
2173 | } | |
2174 | ||
2175 | entry = &adata->archentries[i]; | |
15e1c58a TG |
2176 | nbfd = _bfd_new_bfd_contained_in (archive); |
2177 | if (nbfd == NULL) | |
2178 | return NULL; | |
2179 | ||
2180 | nbfd->origin = entry->offset; | |
2181 | ||
2182 | bfd_mach_o_convert_architecture (entry->cputype, entry->cpusubtype, | |
2183 | &arch_type, &arch_subtype); | |
846b9259 TG |
2184 | /* Create the member filename. |
2185 | Use FILENAME:ARCH_NAME. */ | |
2186 | { | |
2187 | char *s = NULL; | |
2188 | const char *arch_name; | |
2189 | size_t arch_file_len = strlen (bfd_get_filename (archive)); | |
2190 | ||
2191 | arch_name = bfd_printable_arch_mach (arch_type, arch_subtype); | |
2192 | s = bfd_malloc (arch_file_len + 1 + strlen (arch_name) + 1); | |
2193 | if (s == NULL) | |
2194 | return NULL; | |
2195 | memcpy (s, bfd_get_filename (archive), arch_file_len); | |
2196 | s[arch_file_len] = ':'; | |
2197 | strcpy (s + arch_file_len + 1, arch_name); | |
2198 | nbfd->filename = s; | |
2199 | } | |
15e1c58a | 2200 | nbfd->iostream = NULL; |
846b9259 | 2201 | bfd_set_arch_mach (nbfd, arch_type, arch_subtype); |
3af9a47b | 2202 | |
15e1c58a | 2203 | return nbfd; |
3af9a47b NC |
2204 | } |
2205 | ||
846b9259 TG |
2206 | /* If ABFD format is FORMAT and architecture is ARCH, return it. |
2207 | If ABFD is a fat image containing a member that corresponds to FORMAT | |
2208 | and ARCH, returns it. | |
2209 | In other case, returns NULL. | |
2210 | This function allows transparent uses of fat images. */ | |
2211 | bfd * | |
2212 | bfd_mach_o_fat_extract (bfd *abfd, | |
2213 | bfd_format format, | |
2214 | const bfd_arch_info_type *arch) | |
2215 | { | |
2216 | bfd *res; | |
2217 | mach_o_fat_data_struct *adata; | |
2218 | unsigned int i; | |
2219 | ||
2220 | if (bfd_check_format (abfd, format)) | |
2221 | { | |
2222 | if (bfd_get_arch_info (abfd) == arch) | |
2223 | return abfd; | |
2224 | return NULL; | |
2225 | } | |
2226 | if (!bfd_check_format (abfd, bfd_archive) | |
2227 | || abfd->xvec != &mach_o_fat_vec) | |
2228 | return NULL; | |
2229 | ||
2230 | /* This is a Mach-O fat image. */ | |
2231 | adata = (mach_o_fat_data_struct *) abfd->tdata.mach_o_fat_data; | |
2232 | BFD_ASSERT (adata != NULL); | |
2233 | ||
2234 | for (i = 0; i < adata->nfat_arch; i++) | |
2235 | { | |
2236 | struct mach_o_fat_archentry *e = &adata->archentries[i]; | |
2237 | enum bfd_architecture cpu_type; | |
2238 | unsigned long cpu_subtype; | |
2239 | ||
2240 | bfd_mach_o_convert_architecture (e->cputype, e->cpusubtype, | |
2241 | &cpu_type, &cpu_subtype); | |
2242 | if (cpu_type != arch->arch || cpu_subtype != arch->mach) | |
2243 | continue; | |
2244 | ||
2245 | /* The architecture is found. */ | |
2246 | res = _bfd_new_bfd_contained_in (abfd); | |
2247 | if (res == NULL) | |
2248 | return NULL; | |
2249 | ||
2250 | res->origin = e->offset; | |
2251 | ||
2252 | res->filename = strdup (abfd->filename); | |
2253 | res->iostream = NULL; | |
2254 | ||
2255 | if (bfd_check_format (res, format)) | |
2256 | { | |
2257 | BFD_ASSERT (bfd_get_arch_info (res) == arch); | |
2258 | return res; | |
2259 | } | |
2260 | bfd_close (res); | |
2261 | return NULL; | |
2262 | } | |
2263 | ||
2264 | return NULL; | |
2265 | } | |
2266 | ||
e84d6fca | 2267 | int |
116c20d2 NC |
2268 | bfd_mach_o_lookup_section (bfd *abfd, |
2269 | asection *section, | |
2270 | bfd_mach_o_load_command **mcommand, | |
2271 | bfd_mach_o_section **msection) | |
3af9a47b NC |
2272 | { |
2273 | struct mach_o_data_struct *md = abfd->tdata.mach_o_data; | |
2274 | unsigned int i, j, num; | |
2275 | ||
2276 | bfd_mach_o_load_command *ncmd = NULL; | |
2277 | bfd_mach_o_section *nsect = NULL; | |
2278 | ||
2279 | BFD_ASSERT (mcommand != NULL); | |
2280 | BFD_ASSERT (msection != NULL); | |
2281 | ||
2282 | num = 0; | |
2283 | for (i = 0; i < md->header.ncmds; i++) | |
2284 | { | |
2285 | struct bfd_mach_o_load_command *cmd = &md->commands[i]; | |
2286 | struct bfd_mach_o_segment_command *seg = NULL; | |
2287 | ||
1e8a024a TG |
2288 | if (cmd->type != BFD_MACH_O_LC_SEGMENT |
2289 | || cmd->type != BFD_MACH_O_LC_SEGMENT_64) | |
3af9a47b NC |
2290 | continue; |
2291 | seg = &cmd->command.segment; | |
a95a4550 | 2292 | |
3af9a47b NC |
2293 | if (seg->segment == section) |
2294 | { | |
2295 | if (num == 0) | |
2296 | ncmd = cmd; | |
2297 | num++; | |
2298 | } | |
2299 | ||
2300 | for (j = 0; j < seg->nsects; j++) | |
2301 | { | |
2302 | struct bfd_mach_o_section *sect = &seg->sections[j]; | |
2303 | ||
2304 | if (sect->bfdsection == section) | |
2305 | { | |
2306 | if (num == 0) | |
2307 | nsect = sect; | |
2308 | num++; | |
2309 | } | |
2310 | } | |
2311 | } | |
a95a4550 | 2312 | |
3af9a47b NC |
2313 | *mcommand = ncmd; |
2314 | *msection = nsect; | |
2315 | return num; | |
2316 | } | |
2317 | ||
2318 | int | |
116c20d2 NC |
2319 | bfd_mach_o_lookup_command (bfd *abfd, |
2320 | bfd_mach_o_load_command_type type, | |
2321 | bfd_mach_o_load_command **mcommand) | |
3af9a47b NC |
2322 | { |
2323 | struct mach_o_data_struct *md = NULL; | |
2324 | bfd_mach_o_load_command *ncmd = NULL; | |
2325 | unsigned int i, num; | |
2326 | ||
2327 | md = abfd->tdata.mach_o_data; | |
2328 | ||
2329 | BFD_ASSERT (md != NULL); | |
2330 | BFD_ASSERT (mcommand != NULL); | |
2331 | ||
2332 | num = 0; | |
2333 | for (i = 0; i < md->header.ncmds; i++) | |
2334 | { | |
2335 | struct bfd_mach_o_load_command *cmd = &md->commands[i]; | |
2336 | ||
2337 | if (cmd->type != type) | |
2338 | continue; | |
2339 | ||
2340 | if (num == 0) | |
2341 | ncmd = cmd; | |
2342 | num++; | |
2343 | } | |
2344 | ||
2345 | *mcommand = ncmd; | |
2346 | return num; | |
2347 | } | |
2348 | ||
2349 | unsigned long | |
116c20d2 | 2350 | bfd_mach_o_stack_addr (enum bfd_mach_o_cpu_type type) |
3af9a47b NC |
2351 | { |
2352 | switch (type) | |
2353 | { | |
2354 | case BFD_MACH_O_CPU_TYPE_MC680x0: | |
2355 | return 0x04000000; | |
2356 | case BFD_MACH_O_CPU_TYPE_MC88000: | |
2357 | return 0xffffe000; | |
2358 | case BFD_MACH_O_CPU_TYPE_POWERPC: | |
2359 | return 0xc0000000; | |
2360 | case BFD_MACH_O_CPU_TYPE_I386: | |
2361 | return 0xc0000000; | |
2362 | case BFD_MACH_O_CPU_TYPE_SPARC: | |
2363 | return 0xf0000000; | |
2364 | case BFD_MACH_O_CPU_TYPE_I860: | |
2365 | return 0; | |
2366 | case BFD_MACH_O_CPU_TYPE_HPPA: | |
e84d6fca | 2367 | return 0xc0000000 - 0x04000000; |
3af9a47b NC |
2368 | default: |
2369 | return 0; | |
2370 | } | |
2371 | } | |
2372 | ||
15e1c58a TG |
2373 | static bfd_boolean |
2374 | bfd_mach_o_bfd_print_private_bfd_data (bfd *abfd, PTR ptr) | |
2375 | { | |
2376 | bfd_mach_o_data_struct *mdata = abfd->tdata.mach_o_data; | |
2377 | FILE *file = (FILE *) ptr; | |
2378 | unsigned int i, j; | |
2379 | unsigned int sec_nbr = 0; | |
2380 | ||
2381 | fprintf (file, _("Segments and Sections:\n")); | |
2382 | fprintf (file, _(" #: Segment name Section name Address\n")); | |
2383 | ||
2384 | for (i = 0; i < mdata->header.ncmds; i++) | |
2385 | { | |
2386 | bfd_mach_o_segment_command *seg; | |
2387 | ||
2388 | if (mdata->commands[i].type != BFD_MACH_O_LC_SEGMENT | |
2389 | && mdata->commands[i].type != BFD_MACH_O_LC_SEGMENT_64) | |
2390 | continue; | |
2391 | ||
2392 | seg = &mdata->commands[i].command.segment; | |
2393 | ||
2394 | fprintf (file, "[Segment %-16s ", seg->segname); | |
2395 | fprintf_vma (file, seg->vmaddr); | |
2396 | fprintf (file, "-"); | |
2397 | fprintf_vma (file, seg->vmaddr + seg->vmsize - 1); | |
2398 | fputc (' ', file); | |
2399 | fputc (seg->initprot & BFD_MACH_O_PROT_READ ? 'r' : '-', file); | |
2400 | fputc (seg->initprot & BFD_MACH_O_PROT_WRITE ? 'w' : '-', file); | |
2401 | fputc (seg->initprot & BFD_MACH_O_PROT_EXECUTE ? 'x' : '-', file); | |
2402 | fprintf (file, "]\n"); | |
2403 | for (j = 0; j < seg->nsects; j++) | |
2404 | { | |
2405 | bfd_mach_o_section *sec = &seg->sections[j]; | |
2406 | fprintf (file, "%02u: %-16s %-16s ", ++sec_nbr, | |
2407 | sec->segname, sec->sectname); | |
2408 | fprintf_vma (file, sec->addr); | |
2409 | fprintf (file, " "); | |
2410 | fprintf_vma (file, sec->size); | |
2411 | fprintf (file, " %08lx\n", sec->flags); | |
2412 | } | |
2413 | } | |
2414 | ||
2415 | for (i = 0; i < mdata->header.ncmds; i++) | |
2416 | { | |
2417 | bfd_mach_o_load_command *cmd = &mdata->commands[i]; | |
2418 | ||
2419 | switch (cmd->type) | |
2420 | { | |
2421 | case BFD_MACH_O_LC_SEGMENT: | |
2422 | case BFD_MACH_O_LC_SEGMENT_64: | |
2423 | break; | |
2424 | case BFD_MACH_O_LC_UUID: | |
2425 | { | |
2426 | bfd_mach_o_uuid_command *uuid = &cmd->command.uuid; | |
2427 | unsigned int i; | |
2428 | ||
2429 | fprintf (file, "\n" | |
2430 | "UUID:"); | |
2431 | for (i = 0; i < sizeof (uuid->uuid); i++) | |
2432 | fprintf (file, " %02x", uuid->uuid[i]); | |
2433 | fputc ('\n', file); | |
2434 | } | |
2435 | break; | |
2436 | case BFD_MACH_O_LC_LOAD_DYLIB: | |
2437 | { | |
2438 | bfd_mach_o_dylib_command *dylib = &cmd->command.dylib; | |
2439 | bfd_byte *data = NULL; | |
2440 | ||
2441 | if (! bfd_malloc_and_get_section (abfd, dylib->section, &data)) | |
2442 | { | |
2443 | if (data != NULL) | |
2444 | free (data); | |
2445 | break; | |
2446 | } | |
2447 | fprintf (file, "\n" | |
2448 | "LOAD_DYLIB: %s\n", | |
2449 | data + dylib->name_offset - cmd->offset - 8); | |
2450 | fprintf (file, " time stamp: 0x%08lx\n", | |
2451 | dylib->timestamp); | |
2452 | fprintf (file, " current version: 0x%08lx\n", | |
2453 | dylib->current_version); | |
2454 | fprintf (file, " comptibility version: 0x%08lx\n", | |
2455 | dylib->compatibility_version); | |
2456 | free (data); | |
2457 | break; | |
2458 | } | |
2459 | case BFD_MACH_O_LC_LOAD_DYLINKER: | |
2460 | { | |
2461 | bfd_mach_o_dylinker_command *linker = &cmd->command.dylinker; | |
2462 | bfd_byte *data = NULL; | |
2463 | ||
2464 | if (! bfd_malloc_and_get_section (abfd, linker->section, &data)) | |
2465 | { | |
2466 | if (data != NULL) | |
2467 | free (data); | |
2468 | break; | |
2469 | } | |
2470 | fprintf (file, "\n" | |
2471 | "LOAD_DYLINKER: %s\n", | |
2472 | data + linker->name_offset - cmd->offset - 8); | |
2473 | free (data); | |
2474 | break; | |
2475 | } | |
2476 | case BFD_MACH_O_LC_SYMTAB: | |
2477 | { | |
2478 | bfd_mach_o_symtab_command *symtab = &cmd->command.symtab; | |
2479 | fprintf (file, "\n" | |
2480 | "LC_SYMTAB: nsyms: %lu, strsize: %lu\n", | |
2481 | symtab->nsyms, symtab->strsize); | |
2482 | break; | |
2483 | } | |
2484 | case BFD_MACH_O_LC_DYSYMTAB: | |
2485 | { | |
2486 | bfd_mach_o_dysymtab_command *dysymtab = &cmd->command.dysymtab; | |
2487 | fprintf (file, "\n" | |
2488 | "LC_DYSYMTAB:\n" | |
2489 | " local symbols: index: %lu number: %lu\n", | |
2490 | dysymtab->ilocalsym, dysymtab->nlocalsym); | |
2491 | fprintf (file, | |
2492 | " external symbols: index: %lu number: %lu\n", | |
2493 | dysymtab->iextdefsym, dysymtab->nextdefsym); | |
2494 | fprintf (file, | |
2495 | " undefined symbols: index: %lu number: %lu\n", | |
2496 | dysymtab->iundefsym, dysymtab->nundefsym); | |
2497 | fprintf (file, | |
2498 | " ntoc: offset: %lu number: %lu\n", | |
2499 | dysymtab->tocoff, dysymtab->ntoc); | |
2500 | fprintf (file, | |
2501 | " module table: offset: %lu number: %lu\n", | |
2502 | dysymtab->modtaboff, dysymtab->nmodtab); | |
2503 | break; | |
2504 | } | |
2505 | default: | |
2506 | fprintf (file, "LC_%d\n", cmd->type); | |
2507 | break; | |
2508 | } | |
2509 | } | |
2510 | ||
2511 | return TRUE; | |
2512 | } | |
2513 | ||
3af9a47b | 2514 | int |
116c20d2 NC |
2515 | bfd_mach_o_core_fetch_environment (bfd *abfd, |
2516 | unsigned char **rbuf, | |
2517 | unsigned int *rlen) | |
3af9a47b NC |
2518 | { |
2519 | bfd_mach_o_data_struct *mdata = abfd->tdata.mach_o_data; | |
2520 | unsigned long stackaddr = bfd_mach_o_stack_addr (mdata->header.cputype); | |
2521 | unsigned int i = 0; | |
2522 | ||
2523 | for (i = 0; i < mdata->header.ncmds; i++) | |
2524 | { | |
2525 | bfd_mach_o_load_command *cur = &mdata->commands[i]; | |
2526 | bfd_mach_o_segment_command *seg = NULL; | |
2527 | ||
2528 | if (cur->type != BFD_MACH_O_LC_SEGMENT) | |
2529 | continue; | |
2530 | ||
2531 | seg = &cur->command.segment; | |
2532 | ||
2533 | if ((seg->vmaddr + seg->vmsize) == stackaddr) | |
2534 | { | |
2535 | unsigned long start = seg->fileoff; | |
2536 | unsigned long end = seg->fileoff + seg->filesize; | |
2537 | unsigned char *buf = bfd_malloc (1024); | |
2538 | unsigned long size = 1024; | |
2539 | ||
2540 | for (;;) | |
2541 | { | |
2542 | bfd_size_type nread = 0; | |
2543 | unsigned long offset; | |
2544 | int found_nonnull = 0; | |
2545 | ||
2546 | if (size > (end - start)) | |
2547 | size = (end - start); | |
2548 | ||
515ef31d NC |
2549 | buf = bfd_realloc_or_free (buf, size); |
2550 | if (buf == NULL) | |
2551 | return -1; | |
2552 | ||
3af9a47b NC |
2553 | bfd_seek (abfd, end - size, SEEK_SET); |
2554 | nread = bfd_bread (buf, size, abfd); | |
a95a4550 | 2555 | |
3af9a47b | 2556 | if (nread != size) |
515ef31d NC |
2557 | { |
2558 | free (buf); | |
2559 | return -1; | |
2560 | } | |
a95a4550 | 2561 | |
3af9a47b NC |
2562 | for (offset = 4; offset <= size; offset += 4) |
2563 | { | |
e84d6fca | 2564 | unsigned long val; |
3af9a47b | 2565 | |
e84d6fca | 2566 | val = *((unsigned long *) (buf + size - offset)); |
3af9a47b NC |
2567 | if (! found_nonnull) |
2568 | { | |
2569 | if (val != 0) | |
2570 | found_nonnull = 1; | |
2571 | } | |
2572 | else if (val == 0x0) | |
2573 | { | |
e84d6fca AM |
2574 | unsigned long bottom; |
2575 | unsigned long top; | |
3af9a47b | 2576 | |
e84d6fca AM |
2577 | bottom = seg->fileoff + seg->filesize - offset; |
2578 | top = seg->fileoff + seg->filesize - 4; | |
3af9a47b NC |
2579 | *rbuf = bfd_malloc (top - bottom); |
2580 | *rlen = top - bottom; | |
2581 | ||
2582 | memcpy (*rbuf, buf + size - *rlen, *rlen); | |
515ef31d | 2583 | free (buf); |
3af9a47b NC |
2584 | return 0; |
2585 | } | |
2586 | } | |
2587 | ||
2588 | if (size == (end - start)) | |
2589 | break; | |
2590 | ||
2591 | size *= 2; | |
2592 | } | |
515ef31d NC |
2593 | |
2594 | free (buf); | |
3af9a47b NC |
2595 | } |
2596 | } | |
2597 | ||
2598 | return -1; | |
2599 | } | |
2600 | ||
2601 | char * | |
116c20d2 | 2602 | bfd_mach_o_core_file_failing_command (bfd *abfd) |
3af9a47b NC |
2603 | { |
2604 | unsigned char *buf = NULL; | |
2605 | unsigned int len = 0; | |
2606 | int ret = -1; | |
2607 | ||
2608 | ret = bfd_mach_o_core_fetch_environment (abfd, &buf, &len); | |
2609 | if (ret < 0) | |
2610 | return NULL; | |
2611 | ||
f075ee0c | 2612 | return (char *) buf; |
3af9a47b NC |
2613 | } |
2614 | ||
2615 | int | |
116c20d2 | 2616 | bfd_mach_o_core_file_failing_signal (bfd *abfd ATTRIBUTE_UNUSED) |
3af9a47b NC |
2617 | { |
2618 | return 0; | |
2619 | } | |
2620 | ||
116c20d2 NC |
2621 | #define TARGET_NAME mach_o_be_vec |
2622 | #define TARGET_STRING "mach-o-be" | |
2623 | #define TARGET_BIG_ENDIAN 1 | |
2624 | #define TARGET_ARCHIVE 0 | |
3af9a47b NC |
2625 | |
2626 | #include "mach-o-target.c" | |
2627 | ||
2628 | #undef TARGET_NAME | |
2629 | #undef TARGET_STRING | |
2630 | #undef TARGET_BIG_ENDIAN | |
2631 | #undef TARGET_ARCHIVE | |
2632 | ||
116c20d2 NC |
2633 | #define TARGET_NAME mach_o_le_vec |
2634 | #define TARGET_STRING "mach-o-le" | |
2635 | #define TARGET_BIG_ENDIAN 0 | |
2636 | #define TARGET_ARCHIVE 0 | |
3af9a47b NC |
2637 | |
2638 | #include "mach-o-target.c" | |
2639 | ||
2640 | #undef TARGET_NAME | |
2641 | #undef TARGET_STRING | |
2642 | #undef TARGET_BIG_ENDIAN | |
2643 | #undef TARGET_ARCHIVE | |
2644 | ||
116c20d2 NC |
2645 | #define TARGET_NAME mach_o_fat_vec |
2646 | #define TARGET_STRING "mach-o-fat" | |
2647 | #define TARGET_BIG_ENDIAN 1 | |
2648 | #define TARGET_ARCHIVE 1 | |
3af9a47b NC |
2649 | |
2650 | #include "mach-o-target.c" | |
2651 | ||
2652 | #undef TARGET_NAME | |
2653 | #undef TARGET_STRING | |
2654 | #undef TARGET_BIG_ENDIAN | |
2655 | #undef TARGET_ARCHIVE |