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3af9a47b | 1 | /* Mach-O support for BFD. |
72adc230 | 2 | Copyright 1999, 2000, 2001, 2002, 2003, 2004 |
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 | |
9 | the Free Software Foundation; either version 2 of the License, or | |
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 |
3af9a47b NC |
19 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ |
20 | ||
21 | #include "mach-o.h" | |
22 | #include "bfd.h" | |
23 | #include "sysdep.h" | |
24 | #include "libbfd.h" | |
25 | #include "libiberty.h" | |
26 | #include <ctype.h> | |
27 | ||
28 | #ifndef BFD_IO_FUNCS | |
29 | #define BFD_IO_FUNCS 0 | |
30 | #endif | |
31 | ||
32 | #define bfd_mach_o_mkarchive _bfd_noarchive_mkarchive | |
33 | #define bfd_mach_o_read_ar_hdr _bfd_noarchive_read_ar_hdr | |
34 | #define bfd_mach_o_slurp_armap _bfd_noarchive_slurp_armap | |
35 | #define bfd_mach_o_slurp_extended_name_table _bfd_noarchive_slurp_extended_name_table | |
36 | #define bfd_mach_o_construct_extended_name_table _bfd_noarchive_construct_extended_name_table | |
37 | #define bfd_mach_o_truncate_arname _bfd_noarchive_truncate_arname | |
38 | #define bfd_mach_o_write_armap _bfd_noarchive_write_armap | |
39 | #define bfd_mach_o_get_elt_at_index _bfd_noarchive_get_elt_at_index | |
40 | #define bfd_mach_o_generic_stat_arch_elt _bfd_noarchive_generic_stat_arch_elt | |
41 | #define bfd_mach_o_update_armap_timestamp _bfd_noarchive_update_armap_timestamp | |
42 | #define bfd_mach_o_close_and_cleanup _bfd_generic_close_and_cleanup | |
43 | #define bfd_mach_o_bfd_free_cached_info _bfd_generic_bfd_free_cached_info | |
44 | #define bfd_mach_o_new_section_hook _bfd_generic_new_section_hook | |
45 | #define bfd_mach_o_get_section_contents_in_window _bfd_generic_get_section_contents_in_window | |
46 | #define bfd_mach_o_bfd_is_local_label_name _bfd_nosymbols_bfd_is_local_label_name | |
47 | #define bfd_mach_o_get_lineno _bfd_nosymbols_get_lineno | |
48 | #define bfd_mach_o_find_nearest_line _bfd_nosymbols_find_nearest_line | |
49 | #define bfd_mach_o_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol | |
50 | #define bfd_mach_o_read_minisymbols _bfd_generic_read_minisymbols | |
51 | #define bfd_mach_o_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol | |
52 | #define bfd_mach_o_get_reloc_upper_bound _bfd_norelocs_get_reloc_upper_bound | |
53 | #define bfd_mach_o_canonicalize_reloc _bfd_norelocs_canonicalize_reloc | |
54 | #define bfd_mach_o_bfd_reloc_type_lookup _bfd_norelocs_bfd_reloc_type_lookup | |
55 | #define bfd_mach_o_bfd_get_relocated_section_contents bfd_generic_get_relocated_section_contents | |
56 | #define bfd_mach_o_bfd_relax_section bfd_generic_relax_section | |
57 | #define bfd_mach_o_bfd_link_hash_table_create _bfd_generic_link_hash_table_create | |
58 | #define bfd_mach_o_bfd_link_hash_table_free _bfd_generic_link_hash_table_free | |
59 | #define bfd_mach_o_bfd_link_add_symbols _bfd_generic_link_add_symbols | |
60 | #define bfd_mach_o_bfd_link_just_syms _bfd_generic_link_just_syms | |
61 | #define bfd_mach_o_bfd_final_link _bfd_generic_final_link | |
62 | #define bfd_mach_o_bfd_link_split_section _bfd_generic_link_split_section | |
63 | #define bfd_mach_o_set_arch_mach bfd_default_set_arch_mach | |
64 | #define bfd_mach_o_bfd_merge_private_bfd_data _bfd_generic_bfd_merge_private_bfd_data | |
65 | #define bfd_mach_o_bfd_set_private_flags _bfd_generic_bfd_set_private_flags | |
66 | #define bfd_mach_o_bfd_print_private_bfd_data _bfd_generic_bfd_print_private_bfd_data | |
67 | #define bfd_mach_o_get_section_contents _bfd_generic_get_section_contents | |
68 | #define bfd_mach_o_set_section_contents _bfd_generic_set_section_contents | |
69 | #define bfd_mach_o_bfd_gc_sections bfd_generic_gc_sections | |
70 | #define bfd_mach_o_bfd_merge_sections bfd_generic_merge_sections | |
72adc230 | 71 | #define bfd_mach_o_bfd_is_group_section bfd_generic_is_group_section |
3af9a47b | 72 | #define bfd_mach_o_bfd_discard_group bfd_generic_discard_group |
80fccad2 | 73 | #define bfd_mach_o_bfd_copy_private_header_data _bfd_generic_bfd_copy_private_header_data |
3af9a47b | 74 | |
b34976b6 AM |
75 | static bfd_boolean bfd_mach_o_bfd_copy_private_symbol_data |
76 | PARAMS ((bfd *, asymbol *, bfd *, asymbol *)); | |
77 | static bfd_boolean bfd_mach_o_bfd_copy_private_section_data | |
78 | PARAMS ((bfd *, asection *, bfd *, asection *)); | |
79 | static bfd_boolean bfd_mach_o_bfd_copy_private_bfd_data | |
80 | PARAMS ((bfd *, bfd *)); | |
81 | static long bfd_mach_o_count_symbols | |
82 | PARAMS ((bfd *)); | |
83 | static long bfd_mach_o_get_symtab_upper_bound | |
84 | PARAMS ((bfd *)); | |
6cee3f79 | 85 | static long bfd_mach_o_canonicalize_symtab |
b34976b6 AM |
86 | PARAMS ((bfd *, asymbol **)); |
87 | static void bfd_mach_o_get_symbol_info | |
88 | PARAMS ((bfd *, asymbol *, symbol_info *)); | |
89 | static void bfd_mach_o_print_symbol | |
90 | PARAMS ((bfd *, PTR, asymbol *, bfd_print_symbol_type)); | |
91 | static void bfd_mach_o_convert_architecture | |
92 | PARAMS ((bfd_mach_o_cpu_type, bfd_mach_o_cpu_subtype, | |
93 | enum bfd_architecture *, unsigned long *)); | |
94 | static bfd_boolean bfd_mach_o_write_contents | |
95 | PARAMS ((bfd *)); | |
96 | static int bfd_mach_o_sizeof_headers | |
97 | PARAMS ((bfd *, bfd_boolean)); | |
98 | static asymbol * bfd_mach_o_make_empty_symbol | |
99 | PARAMS ((bfd *)); | |
100 | static int bfd_mach_o_write_header | |
101 | PARAMS ((bfd *, bfd_mach_o_header *)); | |
102 | static int bfd_mach_o_read_header | |
103 | PARAMS ((bfd *, bfd_mach_o_header *)); | |
104 | static asection * bfd_mach_o_make_bfd_section | |
105 | PARAMS ((bfd *, bfd_mach_o_section *)); | |
106 | static int bfd_mach_o_scan_read_section | |
107 | PARAMS ((bfd *, bfd_mach_o_section *, bfd_vma)); | |
108 | static int bfd_mach_o_scan_write_section | |
109 | PARAMS ((bfd *, bfd_mach_o_section *, bfd_vma)); | |
110 | static int bfd_mach_o_scan_write_symtab_symbols | |
111 | PARAMS ((bfd *, bfd_mach_o_load_command *)); | |
112 | static int bfd_mach_o_scan_write_thread | |
113 | PARAMS ((bfd *, bfd_mach_o_load_command *)); | |
114 | static int bfd_mach_o_scan_read_dylinker | |
115 | PARAMS ((bfd *, bfd_mach_o_load_command *)); | |
116 | static int bfd_mach_o_scan_read_dylib | |
117 | PARAMS ((bfd *, bfd_mach_o_load_command *)); | |
118 | static int bfd_mach_o_scan_read_prebound_dylib | |
119 | PARAMS ((bfd *, bfd_mach_o_load_command *)); | |
120 | static int bfd_mach_o_scan_read_thread | |
121 | PARAMS ((bfd *, bfd_mach_o_load_command *)); | |
122 | static int bfd_mach_o_scan_write_symtab | |
123 | PARAMS ((bfd *, bfd_mach_o_load_command *)); | |
124 | static int bfd_mach_o_scan_read_dysymtab | |
125 | PARAMS ((bfd *, bfd_mach_o_load_command *)); | |
126 | static int bfd_mach_o_scan_read_symtab | |
127 | PARAMS ((bfd *, bfd_mach_o_load_command *)); | |
128 | static int bfd_mach_o_scan_read_segment | |
129 | PARAMS ((bfd *, bfd_mach_o_load_command *)); | |
130 | static int bfd_mach_o_scan_write_segment | |
131 | PARAMS ((bfd *, bfd_mach_o_load_command *)); | |
132 | static int bfd_mach_o_scan_read_command | |
133 | PARAMS ((bfd *, bfd_mach_o_load_command *)); | |
134 | static void bfd_mach_o_flatten_sections | |
135 | PARAMS ((bfd *)); | |
136 | static const char * bfd_mach_o_i386_flavour_string | |
137 | PARAMS ((unsigned int)); | |
138 | static const char * bfd_mach_o_ppc_flavour_string | |
139 | PARAMS ((unsigned int)); | |
3af9a47b NC |
140 | |
141 | /* The flags field of a section structure is separated into two parts a section | |
142 | type and section attributes. The section types are mutually exclusive (it | |
143 | can only have one type) but the section attributes are not (it may have more | |
144 | than one attribute). */ | |
145 | ||
146 | #define SECTION_TYPE 0x000000ff /* 256 section types. */ | |
147 | #define SECTION_ATTRIBUTES 0xffffff00 /* 24 section attributes. */ | |
148 | ||
149 | /* Constants for the section attributes part of the flags field of a section | |
150 | structure. */ | |
151 | ||
152 | #define SECTION_ATTRIBUTES_USR 0xff000000 /* User-settable attributes. */ | |
153 | #define S_ATTR_PURE_INSTRUCTIONS 0x80000000 /* Section contains only true machine instructions. */ | |
154 | #define SECTION_ATTRIBUTES_SYS 0x00ffff00 /* System setable attributes. */ | |
155 | #define S_ATTR_SOME_INSTRUCTIONS 0x00000400 /* Section contains some machine instructions. */ | |
156 | #define S_ATTR_EXT_RELOC 0x00000200 /* Section has external relocation entries. */ | |
157 | #define S_ATTR_LOC_RELOC 0x00000100 /* Section has local relocation entries. */ | |
158 | ||
159 | #define N_STAB 0xe0 | |
160 | #define N_TYPE 0x1e | |
161 | #define N_EXT 0x01 | |
162 | #define N_UNDF 0x0 | |
163 | #define N_ABS 0x2 | |
164 | #define N_SECT 0xe | |
165 | #define N_INDR 0xa | |
166 | ||
b34976b6 | 167 | bfd_boolean |
3af9a47b NC |
168 | bfd_mach_o_valid (abfd) |
169 | bfd *abfd; | |
170 | { | |
171 | if (abfd == NULL || abfd->xvec == NULL) | |
172 | return 0; | |
173 | ||
174 | if (! ((abfd->xvec == &mach_o_be_vec) | |
175 | || (abfd->xvec == &mach_o_le_vec) | |
176 | || (abfd->xvec == &mach_o_fat_vec))) | |
177 | return 0; | |
178 | ||
179 | if (abfd->tdata.mach_o_data == NULL) | |
180 | return 0; | |
181 | return 1; | |
182 | } | |
183 | ||
184 | /* Copy any private info we understand from the input symbol | |
185 | to the output symbol. */ | |
186 | ||
b34976b6 | 187 | static bfd_boolean |
3af9a47b NC |
188 | bfd_mach_o_bfd_copy_private_symbol_data (ibfd, isymbol, obfd, osymbol) |
189 | bfd *ibfd ATTRIBUTE_UNUSED; | |
190 | asymbol *isymbol ATTRIBUTE_UNUSED; | |
191 | bfd *obfd ATTRIBUTE_UNUSED; | |
192 | asymbol *osymbol ATTRIBUTE_UNUSED; | |
193 | { | |
b34976b6 | 194 | return TRUE; |
3af9a47b NC |
195 | } |
196 | ||
197 | /* Copy any private info we understand from the input section | |
198 | to the output section. */ | |
199 | ||
b34976b6 | 200 | static bfd_boolean |
3af9a47b NC |
201 | bfd_mach_o_bfd_copy_private_section_data (ibfd, isection, obfd, osection) |
202 | bfd *ibfd ATTRIBUTE_UNUSED; | |
203 | asection *isection ATTRIBUTE_UNUSED; | |
204 | bfd *obfd ATTRIBUTE_UNUSED; | |
205 | asection *osection ATTRIBUTE_UNUSED; | |
206 | { | |
b34976b6 | 207 | return TRUE; |
3af9a47b NC |
208 | } |
209 | ||
210 | /* Copy any private info we understand from the input bfd | |
211 | to the output bfd. */ | |
212 | ||
b34976b6 | 213 | static bfd_boolean |
3af9a47b NC |
214 | bfd_mach_o_bfd_copy_private_bfd_data (ibfd, obfd) |
215 | bfd *ibfd; | |
216 | bfd *obfd; | |
217 | { | |
218 | BFD_ASSERT (bfd_mach_o_valid (ibfd)); | |
219 | BFD_ASSERT (bfd_mach_o_valid (obfd)); | |
220 | ||
221 | obfd->tdata.mach_o_data = ibfd->tdata.mach_o_data; | |
222 | obfd->tdata.mach_o_data->ibfd = ibfd; | |
b34976b6 | 223 | return TRUE; |
3af9a47b NC |
224 | } |
225 | ||
226 | static long | |
227 | bfd_mach_o_count_symbols (abfd) | |
228 | bfd *abfd; | |
229 | { | |
230 | bfd_mach_o_data_struct *mdata = NULL; | |
231 | long nsyms = 0; | |
232 | unsigned long i; | |
a95a4550 | 233 | |
3af9a47b NC |
234 | BFD_ASSERT (bfd_mach_o_valid (abfd)); |
235 | mdata = abfd->tdata.mach_o_data; | |
236 | ||
237 | for (i = 0; i < mdata->header.ncmds; i++) | |
238 | if (mdata->commands[i].type == BFD_MACH_O_LC_SYMTAB) | |
239 | { | |
240 | bfd_mach_o_symtab_command *sym = &mdata->commands[i].command.symtab; | |
241 | nsyms += sym->nsyms; | |
242 | } | |
243 | ||
244 | return nsyms; | |
245 | } | |
246 | ||
247 | static long | |
248 | bfd_mach_o_get_symtab_upper_bound (abfd) | |
249 | bfd *abfd; | |
250 | { | |
251 | long nsyms = bfd_mach_o_count_symbols (abfd); | |
252 | ||
253 | if (nsyms < 0) | |
254 | return nsyms; | |
255 | ||
256 | return ((nsyms + 1) * sizeof (asymbol *)); | |
257 | } | |
258 | ||
259 | static long | |
6cee3f79 | 260 | bfd_mach_o_canonicalize_symtab (abfd, alocation) |
3af9a47b NC |
261 | bfd *abfd; |
262 | asymbol **alocation; | |
263 | { | |
264 | bfd_mach_o_data_struct *mdata = abfd->tdata.mach_o_data; | |
265 | long nsyms = bfd_mach_o_count_symbols (abfd); | |
266 | asymbol **csym = alocation; | |
267 | unsigned long i, j; | |
268 | ||
269 | if (nsyms < 0) | |
270 | return nsyms; | |
271 | ||
272 | for (i = 0; i < mdata->header.ncmds; i++) | |
273 | { | |
274 | if (mdata->commands[i].type == BFD_MACH_O_LC_SYMTAB) | |
275 | { | |
276 | bfd_mach_o_symtab_command *sym = &mdata->commands[i].command.symtab; | |
277 | ||
278 | if (bfd_mach_o_scan_read_symtab_symbols (abfd, &mdata->commands[i].command.symtab) != 0) | |
279 | { | |
6cee3f79 | 280 | fprintf (stderr, "bfd_mach_o_canonicalize_symtab: unable to load symbols for section %lu\n", i); |
3af9a47b NC |
281 | return 0; |
282 | } | |
283 | ||
284 | BFD_ASSERT (sym->symbols != NULL); | |
285 | ||
286 | for (j = 0; j < sym->nsyms; j++) | |
287 | { | |
288 | BFD_ASSERT (csym < (alocation + nsyms)); | |
289 | *csym++ = &sym->symbols[j]; | |
290 | } | |
291 | } | |
292 | } | |
293 | ||
294 | *csym++ = NULL; | |
a95a4550 | 295 | |
3af9a47b NC |
296 | return nsyms; |
297 | } | |
298 | ||
299 | static void | |
300 | bfd_mach_o_get_symbol_info (abfd, symbol, ret) | |
301 | bfd *abfd ATTRIBUTE_UNUSED; | |
302 | asymbol *symbol; | |
303 | symbol_info *ret; | |
304 | { | |
305 | bfd_symbol_info (symbol, ret); | |
306 | } | |
307 | ||
308 | static void | |
309 | bfd_mach_o_print_symbol (abfd, afile, symbol, how) | |
310 | bfd *abfd; | |
311 | PTR afile; | |
312 | asymbol *symbol; | |
313 | bfd_print_symbol_type how; | |
314 | { | |
315 | FILE *file = (FILE *) afile; | |
316 | ||
317 | switch (how) | |
318 | { | |
319 | case bfd_print_symbol_name: | |
320 | fprintf (file, "%s", symbol->name); | |
321 | break; | |
322 | default: | |
323 | bfd_print_symbol_vandf (abfd, (PTR) file, symbol); | |
324 | fprintf (file, " %-5s %s", symbol->section->name, symbol->name); | |
325 | } | |
326 | } | |
327 | ||
328 | static void | |
329 | bfd_mach_o_convert_architecture (mtype, msubtype, type, subtype) | |
330 | bfd_mach_o_cpu_type mtype; | |
331 | bfd_mach_o_cpu_subtype msubtype ATTRIBUTE_UNUSED; | |
332 | enum bfd_architecture *type; | |
333 | unsigned long *subtype; | |
334 | { | |
335 | *subtype = bfd_arch_unknown; | |
336 | ||
337 | switch (mtype) | |
338 | { | |
339 | case BFD_MACH_O_CPU_TYPE_VAX: *type = bfd_arch_vax; break; | |
340 | case BFD_MACH_O_CPU_TYPE_MC680x0: *type = bfd_arch_m68k; break; | |
341 | case BFD_MACH_O_CPU_TYPE_I386: *type = bfd_arch_i386; break; | |
342 | case BFD_MACH_O_CPU_TYPE_MIPS: *type = bfd_arch_mips; break; | |
343 | case BFD_MACH_O_CPU_TYPE_MC98000: *type = bfd_arch_m98k; break; | |
344 | case BFD_MACH_O_CPU_TYPE_HPPA: *type = bfd_arch_hppa; break; | |
345 | case BFD_MACH_O_CPU_TYPE_ARM: *type = bfd_arch_arm; break; | |
346 | case BFD_MACH_O_CPU_TYPE_MC88000: *type = bfd_arch_m88k; break; | |
347 | case BFD_MACH_O_CPU_TYPE_SPARC: *type = bfd_arch_sparc; break; | |
348 | case BFD_MACH_O_CPU_TYPE_I860: *type = bfd_arch_i860; break; | |
349 | case BFD_MACH_O_CPU_TYPE_ALPHA: *type = bfd_arch_alpha; break; | |
350 | case BFD_MACH_O_CPU_TYPE_POWERPC: *type = bfd_arch_powerpc; break; | |
351 | default: *type = bfd_arch_unknown; break; | |
352 | } | |
353 | ||
354 | switch (*type) | |
355 | { | |
356 | case bfd_arch_i386: *subtype = bfd_mach_i386_i386; break; | |
357 | case bfd_arch_sparc: *subtype = bfd_mach_sparc; break; | |
358 | default: | |
359 | *subtype = bfd_arch_unknown; | |
360 | } | |
361 | } | |
a95a4550 | 362 | |
b34976b6 | 363 | static bfd_boolean |
3af9a47b NC |
364 | bfd_mach_o_write_contents (abfd) |
365 | bfd *abfd; | |
366 | { | |
367 | unsigned int i; | |
368 | asection *s; | |
369 | ||
370 | bfd_mach_o_data_struct *mdata = abfd->tdata.mach_o_data; | |
371 | ||
372 | /* Write data sections first in case they overlap header data to be | |
373 | written later. */ | |
374 | ||
375 | for (s = abfd->sections; s != (asection *) NULL; s = s->next) | |
376 | ; | |
377 | ||
378 | #if 0 | |
379 | for (i = 0; i < mdata->header.ncmds; i++) | |
380 | { | |
381 | bfd_mach_o_load_command *cur = &mdata->commands[i]; | |
382 | if (cur->type != BFD_MACH_O_LC_SEGMENT) | |
383 | break; | |
384 | ||
385 | { | |
386 | bfd_mach_o_segment_command *seg = &cur->command.segment; | |
387 | char buf[1024]; | |
388 | bfd_vma nbytes = seg->filesize; | |
389 | bfd_vma curoff = seg->fileoff; | |
390 | ||
391 | while (nbytes > 0) | |
392 | { | |
393 | bfd_vma thisread = nbytes; | |
394 | ||
395 | if (thisread > 1024) | |
396 | thisread = 1024; | |
397 | ||
398 | bfd_seek (abfd, curoff, SEEK_SET); | |
399 | if (bfd_bread ((PTR) buf, thisread, abfd) != thisread) | |
b34976b6 | 400 | return FALSE; |
3af9a47b NC |
401 | |
402 | bfd_seek (abfd, curoff, SEEK_SET); | |
403 | if (bfd_bwrite ((PTR) buf, thisread, abfd) != thisread) | |
b34976b6 | 404 | return FALSE; |
3af9a47b NC |
405 | |
406 | nbytes -= thisread; | |
407 | curoff += thisread; | |
408 | } | |
409 | } | |
410 | } | |
411 | #endif | |
412 | ||
413 | /* Now write header information. */ | |
414 | if (bfd_mach_o_write_header (abfd, &mdata->header) != 0) | |
b34976b6 | 415 | return FALSE; |
3af9a47b NC |
416 | |
417 | for (i = 0; i < mdata->header.ncmds; i++) | |
418 | { | |
419 | unsigned char buf[8]; | |
420 | bfd_mach_o_load_command *cur = &mdata->commands[i]; | |
421 | unsigned long typeflag; | |
422 | ||
423 | typeflag = cur->type_required ? cur->type & BFD_MACH_O_LC_REQ_DYLD : cur->type; | |
424 | ||
425 | bfd_h_put_32 (abfd, typeflag, buf); | |
426 | bfd_h_put_32 (abfd, cur->len, buf + 4); | |
427 | ||
428 | bfd_seek (abfd, cur->offset, SEEK_SET); | |
429 | if (bfd_bwrite ((PTR) buf, 8, abfd) != 8) | |
b34976b6 | 430 | return FALSE; |
3af9a47b NC |
431 | |
432 | switch (cur->type) | |
433 | { | |
434 | case BFD_MACH_O_LC_SEGMENT: | |
435 | if (bfd_mach_o_scan_write_segment (abfd, cur) != 0) | |
b34976b6 | 436 | return FALSE; |
3af9a47b NC |
437 | break; |
438 | case BFD_MACH_O_LC_SYMTAB: | |
439 | if (bfd_mach_o_scan_write_symtab (abfd, cur) != 0) | |
b34976b6 | 440 | return FALSE; |
3af9a47b NC |
441 | break; |
442 | case BFD_MACH_O_LC_SYMSEG: | |
443 | break; | |
444 | case BFD_MACH_O_LC_THREAD: | |
445 | case BFD_MACH_O_LC_UNIXTHREAD: | |
446 | if (bfd_mach_o_scan_write_thread (abfd, cur) != 0) | |
b34976b6 | 447 | return FALSE; |
3af9a47b NC |
448 | break; |
449 | case BFD_MACH_O_LC_LOADFVMLIB: | |
450 | case BFD_MACH_O_LC_IDFVMLIB: | |
451 | case BFD_MACH_O_LC_IDENT: | |
452 | case BFD_MACH_O_LC_FVMFILE: | |
453 | case BFD_MACH_O_LC_PREPAGE: | |
454 | case BFD_MACH_O_LC_DYSYMTAB: | |
455 | case BFD_MACH_O_LC_LOAD_DYLIB: | |
456 | case BFD_MACH_O_LC_LOAD_WEAK_DYLIB: | |
457 | case BFD_MACH_O_LC_ID_DYLIB: | |
458 | case BFD_MACH_O_LC_LOAD_DYLINKER: | |
459 | case BFD_MACH_O_LC_ID_DYLINKER: | |
460 | case BFD_MACH_O_LC_PREBOUND_DYLIB: | |
461 | case BFD_MACH_O_LC_ROUTINES: | |
462 | case BFD_MACH_O_LC_SUB_FRAMEWORK: | |
463 | break; | |
464 | default: | |
465 | fprintf (stderr, | |
466 | "unable to write unknown load command 0x%lx\n", | |
467 | (long) cur->type); | |
b34976b6 | 468 | return FALSE; |
3af9a47b NC |
469 | } |
470 | } | |
471 | ||
b34976b6 | 472 | return TRUE; |
3af9a47b NC |
473 | } |
474 | ||
475 | static int | |
476 | bfd_mach_o_sizeof_headers (a, b) | |
477 | bfd *a ATTRIBUTE_UNUSED; | |
b34976b6 | 478 | bfd_boolean b ATTRIBUTE_UNUSED; |
3af9a47b NC |
479 | { |
480 | return 0; | |
481 | } | |
482 | ||
483 | /* Make an empty symbol. This is required only because | |
484 | bfd_make_section_anyway wants to create a symbol for the section. */ | |
485 | ||
486 | static asymbol * | |
487 | bfd_mach_o_make_empty_symbol (abfd) | |
488 | bfd *abfd; | |
489 | { | |
490 | asymbol *new; | |
491 | ||
492 | new = (asymbol *) bfd_zalloc (abfd, sizeof (asymbol)); | |
493 | if (new == NULL) | |
494 | return new; | |
495 | new->the_bfd = abfd; | |
496 | return new; | |
497 | } | |
498 | ||
499 | static int | |
500 | bfd_mach_o_write_header (abfd, header) | |
501 | bfd *abfd; | |
502 | bfd_mach_o_header *header; | |
503 | { | |
504 | unsigned char buf[28]; | |
505 | ||
506 | bfd_h_put_32 (abfd, header->magic, buf + 0); | |
507 | bfd_h_put_32 (abfd, header->cputype, buf + 4); | |
508 | bfd_h_put_32 (abfd, header->cpusubtype, buf + 8); | |
509 | bfd_h_put_32 (abfd, header->filetype, buf + 12); | |
510 | bfd_h_put_32 (abfd, header->ncmds, buf + 16); | |
511 | bfd_h_put_32 (abfd, header->sizeofcmds, buf + 20); | |
512 | bfd_h_put_32 (abfd, header->flags, buf + 24); | |
a95a4550 | 513 | |
3af9a47b NC |
514 | bfd_seek (abfd, 0, SEEK_SET); |
515 | if (bfd_bwrite ((PTR) buf, 28, abfd) != 28) | |
516 | return -1; | |
517 | ||
518 | return 0; | |
519 | } | |
520 | ||
521 | static int | |
522 | bfd_mach_o_read_header (abfd, header) | |
523 | bfd *abfd; | |
524 | bfd_mach_o_header *header; | |
525 | { | |
526 | unsigned char buf[28]; | |
edeb6e24 | 527 | bfd_vma (*get32) (const void *) = NULL; |
3af9a47b NC |
528 | |
529 | bfd_seek (abfd, 0, SEEK_SET); | |
530 | ||
531 | if (bfd_bread ((PTR) buf, 28, abfd) != 28) | |
532 | return -1; | |
533 | ||
534 | if (bfd_getb32 (buf) == 0xfeedface) | |
535 | { | |
536 | header->byteorder = BFD_ENDIAN_BIG; | |
537 | header->magic = 0xfeedface; | |
538 | get32 = bfd_getb32; | |
539 | } | |
540 | else if (bfd_getl32 (buf) == 0xfeedface) | |
541 | { | |
a95a4550 | 542 | header->byteorder = BFD_ENDIAN_LITTLE; |
3af9a47b NC |
543 | header->magic = 0xfeedface; |
544 | get32 = bfd_getl32; | |
545 | } | |
546 | else | |
547 | { | |
548 | header->byteorder = BFD_ENDIAN_UNKNOWN; | |
549 | return -1; | |
550 | } | |
a95a4550 | 551 | |
3af9a47b NC |
552 | header->cputype = (*get32) (buf + 4); |
553 | header->cpusubtype = (*get32) (buf + 8); | |
554 | header->filetype = (*get32) (buf + 12); | |
555 | header->ncmds = (*get32) (buf + 16); | |
556 | header->sizeofcmds = (*get32) (buf + 20); | |
557 | header->flags = (*get32) (buf + 24); | |
558 | ||
559 | return 0; | |
560 | } | |
561 | ||
562 | static asection * | |
563 | bfd_mach_o_make_bfd_section (abfd, section) | |
564 | bfd *abfd; | |
565 | bfd_mach_o_section *section; | |
566 | { | |
567 | asection *bfdsec; | |
568 | char *sname; | |
569 | const char *prefix = "LC_SEGMENT"; | |
570 | unsigned int snamelen; | |
571 | ||
572 | snamelen = strlen (prefix) + 1 | |
573 | + strlen (section->segname) + 1 | |
574 | + strlen (section->sectname) + 1; | |
575 | ||
576 | sname = (char *) bfd_alloc (abfd, snamelen); | |
577 | if (sname == NULL) | |
578 | return NULL; | |
579 | sprintf (sname, "%s.%s.%s", prefix, section->segname, section->sectname); | |
580 | ||
581 | bfdsec = bfd_make_section_anyway (abfd, sname); | |
582 | if (bfdsec == NULL) | |
583 | return NULL; | |
a95a4550 | 584 | |
3af9a47b NC |
585 | bfdsec->vma = section->addr; |
586 | bfdsec->lma = section->addr; | |
eea6121a | 587 | bfdsec->size = section->size; |
3af9a47b NC |
588 | bfdsec->filepos = section->offset; |
589 | bfdsec->alignment_power = section->align; | |
590 | ||
591 | if (section->flags & BFD_MACH_O_S_ZEROFILL) | |
592 | bfdsec->flags = SEC_ALLOC; | |
593 | else | |
594 | bfdsec->flags = SEC_HAS_CONTENTS | SEC_LOAD | SEC_ALLOC | SEC_CODE; | |
595 | ||
596 | return bfdsec; | |
597 | } | |
598 | ||
599 | static int | |
600 | bfd_mach_o_scan_read_section (abfd, section, offset) | |
601 | bfd *abfd; | |
602 | bfd_mach_o_section *section; | |
603 | bfd_vma offset; | |
604 | { | |
605 | unsigned char buf[68]; | |
606 | ||
607 | bfd_seek (abfd, offset, SEEK_SET); | |
608 | if (bfd_bread ((PTR) buf, 68, abfd) != 68) | |
609 | return -1; | |
a95a4550 | 610 | |
3af9a47b NC |
611 | memcpy (section->sectname, buf, 16); |
612 | section->sectname[16] = '\0'; | |
613 | memcpy (section->segname, buf + 16, 16); | |
614 | section->segname[16] = '\0'; | |
615 | section->addr = bfd_h_get_32 (abfd, buf + 32); | |
616 | section->size = bfd_h_get_32 (abfd, buf + 36); | |
617 | section->offset = bfd_h_get_32 (abfd, buf + 40); | |
618 | section->align = bfd_h_get_32 (abfd, buf + 44); | |
619 | section->reloff = bfd_h_get_32 (abfd, buf + 48); | |
620 | section->nreloc = bfd_h_get_32 (abfd, buf + 52); | |
621 | section->flags = bfd_h_get_32 (abfd, buf + 56); | |
622 | section->reserved1 = bfd_h_get_32 (abfd, buf + 60); | |
623 | section->reserved2 = bfd_h_get_32 (abfd, buf + 64); | |
624 | section->bfdsection = bfd_mach_o_make_bfd_section (abfd, section); | |
625 | ||
626 | if (section->bfdsection == NULL) | |
627 | return -1; | |
628 | ||
629 | return 0; | |
630 | } | |
631 | ||
632 | static int | |
633 | bfd_mach_o_scan_write_section (abfd, section, offset) | |
634 | bfd *abfd; | |
635 | bfd_mach_o_section *section; | |
636 | bfd_vma offset; | |
637 | { | |
638 | unsigned char buf[68]; | |
639 | ||
640 | memcpy (buf, section->sectname, 16); | |
641 | memcpy (buf + 16, section->segname, 16); | |
642 | bfd_h_put_32 (abfd, section->addr, buf + 32); | |
643 | bfd_h_put_32 (abfd, section->size, buf + 36); | |
644 | bfd_h_put_32 (abfd, section->offset, buf + 40); | |
645 | bfd_h_put_32 (abfd, section->align, buf + 44); | |
646 | bfd_h_put_32 (abfd, section->reloff, buf + 48); | |
647 | bfd_h_put_32 (abfd, section->nreloc, buf + 52); | |
648 | bfd_h_put_32 (abfd, section->flags, buf + 56); | |
649 | /* bfd_h_put_32 (abfd, section->reserved1, buf + 60); */ | |
650 | /* bfd_h_put_32 (abfd, section->reserved2, buf + 64); */ | |
651 | ||
652 | bfd_seek (abfd, offset, SEEK_SET); | |
653 | if (bfd_bwrite ((PTR) buf, 68, abfd) != 68) | |
654 | return -1; | |
a95a4550 | 655 | |
3af9a47b NC |
656 | return 0; |
657 | } | |
658 | ||
659 | static int | |
660 | bfd_mach_o_scan_write_symtab_symbols (abfd, command) | |
661 | bfd *abfd; | |
662 | bfd_mach_o_load_command *command; | |
663 | { | |
664 | bfd_mach_o_symtab_command *sym = &command->command.symtab; | |
665 | asymbol *s = NULL; | |
666 | unsigned long i; | |
667 | ||
668 | for (i = 0; i < sym->nsyms; i++) | |
669 | { | |
670 | unsigned char buf[12]; | |
671 | bfd_vma symoff = sym->symoff + (i * 12); | |
672 | unsigned char ntype = 0; | |
673 | unsigned char nsect = 0; | |
674 | short ndesc = 0; | |
675 | ||
676 | s = &sym->symbols[i]; | |
677 | ||
678 | /* Don't set this from the symbol information; use stored values. */ | |
a95a4550 | 679 | #if 0 |
3af9a47b NC |
680 | if (s->flags & BSF_GLOBAL) |
681 | ntype |= N_EXT; | |
682 | if (s->flags & BSF_DEBUGGING) | |
683 | ntype |= N_STAB; | |
684 | ||
685 | if (s->section == bfd_und_section_ptr) | |
686 | ntype |= N_UNDF; | |
687 | else if (s->section == bfd_abs_section_ptr) | |
688 | ntype |= N_ABS; | |
689 | else | |
690 | ntype |= N_SECT; | |
691 | #endif | |
a95a4550 | 692 | |
3af9a47b NC |
693 | /* Instead just set from the stored values. */ |
694 | ntype = (s->udata.i >> 24) & 0xff; | |
695 | nsect = (s->udata.i >> 16) & 0xff; | |
696 | ndesc = s->udata.i & 0xffff; | |
697 | ||
698 | bfd_h_put_32 (abfd, s->name - sym->strtab, buf); | |
699 | bfd_h_put_8 (abfd, ntype, buf + 4); | |
700 | bfd_h_put_8 (abfd, nsect, buf + 5); | |
701 | bfd_h_put_16 (abfd, ndesc, buf + 6); | |
702 | bfd_h_put_32 (abfd, s->section->vma + s->value, buf + 8); | |
703 | ||
704 | bfd_seek (abfd, symoff, SEEK_SET); | |
705 | if (bfd_bwrite ((PTR) buf, 12, abfd) != 12) | |
706 | { | |
a95a4550 | 707 | fprintf (stderr, "bfd_mach_o_scan_write_symtab_symbols: unable to write %d bytes at %lu\n", |
3af9a47b | 708 | 12, (unsigned long) symoff); |
a95a4550 | 709 | return -1; |
3af9a47b NC |
710 | } |
711 | } | |
712 | ||
713 | return 0; | |
714 | } | |
715 | ||
716 | int | |
717 | bfd_mach_o_scan_read_symtab_symbol (abfd, sym, s, i) | |
718 | bfd *abfd; | |
719 | bfd_mach_o_symtab_command *sym; | |
720 | asymbol *s; | |
721 | unsigned long i; | |
722 | { | |
723 | bfd_mach_o_data_struct *mdata = abfd->tdata.mach_o_data; | |
724 | bfd_vma symoff = sym->symoff + (i * 12); | |
725 | unsigned char buf[12]; | |
726 | unsigned char type = -1; | |
727 | unsigned char section = -1; | |
728 | short desc = -1; | |
e84d6fca | 729 | unsigned long value = -1; |
3af9a47b NC |
730 | unsigned long stroff = -1; |
731 | unsigned int symtype = -1; | |
732 | ||
733 | BFD_ASSERT (sym->strtab != NULL); | |
734 | ||
735 | bfd_seek (abfd, symoff, SEEK_SET); | |
736 | if (bfd_bread ((PTR) buf, 12, abfd) != 12) | |
737 | { | |
738 | fprintf (stderr, "bfd_mach_o_scan_read_symtab_symbol: unable to read %d bytes at %lu\n", | |
739 | 12, (unsigned long) symoff); | |
740 | return -1; | |
741 | } | |
742 | ||
743 | stroff = bfd_h_get_32 (abfd, buf); | |
744 | type = bfd_h_get_8 (abfd, buf + 4); | |
745 | symtype = (type & 0x0e); | |
746 | section = bfd_h_get_8 (abfd, buf + 5) - 1; | |
747 | desc = bfd_h_get_16 (abfd, buf + 6); | |
748 | value = bfd_h_get_32 (abfd, buf + 8); | |
749 | ||
750 | if (stroff >= sym->strsize) | |
751 | { | |
752 | fprintf (stderr, "bfd_mach_o_scan_read_symtab_symbol: symbol name out of range (%lu >= %lu)\n", | |
753 | (unsigned long) stroff, (unsigned long) sym->strsize); | |
a95a4550 | 754 | return -1; |
3af9a47b NC |
755 | } |
756 | ||
757 | s->the_bfd = abfd; | |
758 | s->name = sym->strtab + stroff; | |
759 | s->value = value; | |
760 | s->udata.i = (type << 24) | (section << 16) | desc; | |
761 | s->flags = 0x0; | |
762 | ||
763 | if (type & BFD_MACH_O_N_STAB) | |
764 | { | |
765 | s->flags |= BSF_DEBUGGING; | |
766 | s->section = bfd_und_section_ptr; | |
767 | } | |
768 | else | |
769 | { | |
770 | if (type & BFD_MACH_O_N_PEXT) | |
771 | { | |
772 | type &= ~BFD_MACH_O_N_PEXT; | |
773 | s->flags |= BSF_GLOBAL; | |
774 | } | |
775 | ||
776 | if (type & BFD_MACH_O_N_EXT) | |
777 | { | |
778 | type &= ~BFD_MACH_O_N_EXT; | |
779 | s->flags |= BSF_GLOBAL; | |
780 | } | |
781 | ||
782 | switch (symtype) | |
783 | { | |
784 | case BFD_MACH_O_N_UNDF: | |
785 | s->section = bfd_und_section_ptr; | |
786 | break; | |
787 | case BFD_MACH_O_N_PBUD: | |
788 | s->section = bfd_und_section_ptr; | |
789 | break; | |
790 | case BFD_MACH_O_N_ABS: | |
791 | s->section = bfd_abs_section_ptr; | |
792 | break; | |
793 | case BFD_MACH_O_N_SECT: | |
794 | if ((section > 0) && (section <= mdata->nsects)) | |
795 | { | |
796 | s->section = mdata->sections[section - 1]->bfdsection; | |
797 | s->value = s->value - mdata->sections[section - 1]->addr; | |
798 | } | |
799 | else | |
800 | { | |
801 | /* Mach-O uses 0 to mean "no section"; not an error. */ | |
802 | if (section != 0) | |
803 | { | |
804 | fprintf (stderr, "bfd_mach_o_scan_read_symtab_symbol: " | |
a95a4550 | 805 | "symbol \"%s\" specified invalid section %d (max %lu): setting to undefined\n", |
3af9a47b NC |
806 | s->name, section, mdata->nsects); |
807 | } | |
808 | s->section = bfd_und_section_ptr; | |
809 | } | |
810 | break; | |
811 | case BFD_MACH_O_N_INDR: | |
812 | fprintf (stderr, "bfd_mach_o_scan_read_symtab_symbol: " | |
a95a4550 | 813 | "symbol \"%s\" is unsupported 'indirect' reference: setting to undefined\n", |
3af9a47b NC |
814 | s->name); |
815 | s->section = bfd_und_section_ptr; | |
816 | break; | |
817 | default: | |
818 | fprintf (stderr, "bfd_mach_o_scan_read_symtab_symbol: " | |
a95a4550 | 819 | "symbol \"%s\" specified invalid type field 0x%x: setting to undefined\n", |
3af9a47b NC |
820 | s->name, symtype); |
821 | s->section = bfd_und_section_ptr; | |
822 | break; | |
823 | } | |
824 | } | |
825 | ||
826 | return 0; | |
827 | } | |
828 | ||
829 | int | |
830 | bfd_mach_o_scan_read_symtab_strtab (abfd, sym) | |
831 | bfd *abfd; | |
832 | bfd_mach_o_symtab_command *sym; | |
833 | { | |
834 | BFD_ASSERT (sym->strtab == NULL); | |
835 | ||
836 | if (abfd->flags & BFD_IN_MEMORY) | |
837 | { | |
838 | struct bfd_in_memory *b; | |
839 | ||
840 | b = (struct bfd_in_memory *) abfd->iostream; | |
841 | ||
842 | if ((sym->stroff + sym->strsize) > b->size) | |
843 | { | |
844 | bfd_set_error (bfd_error_file_truncated); | |
845 | return -1; | |
846 | } | |
847 | sym->strtab = b->buffer + sym->stroff; | |
848 | return 0; | |
849 | } | |
850 | ||
851 | sym->strtab = bfd_alloc (abfd, sym->strsize); | |
852 | if (sym->strtab == NULL) | |
853 | return -1; | |
854 | ||
855 | bfd_seek (abfd, sym->stroff, SEEK_SET); | |
856 | if (bfd_bread ((PTR) sym->strtab, sym->strsize, abfd) != sym->strsize) | |
857 | { | |
858 | fprintf (stderr, "bfd_mach_o_scan_read_symtab_strtab: unable to read %lu bytes at %lu\n", | |
859 | sym->strsize, sym->stroff); | |
a95a4550 | 860 | return -1; |
3af9a47b NC |
861 | } |
862 | ||
863 | return 0; | |
864 | } | |
865 | ||
a95a4550 | 866 | int |
3af9a47b NC |
867 | bfd_mach_o_scan_read_symtab_symbols (abfd, sym) |
868 | bfd *abfd; | |
869 | bfd_mach_o_symtab_command *sym; | |
870 | { | |
871 | unsigned long i; | |
872 | int ret; | |
873 | ||
874 | BFD_ASSERT (sym->symbols == NULL); | |
875 | sym->symbols = bfd_alloc (abfd, sym->nsyms * sizeof (asymbol)); | |
876 | ||
877 | if (sym->symbols == NULL) | |
878 | { | |
879 | fprintf (stderr, "bfd_mach_o_scan_read_symtab_symbols: unable to allocate memory for symbols\n"); | |
a95a4550 | 880 | return -1; |
3af9a47b | 881 | } |
a95a4550 | 882 | |
3af9a47b NC |
883 | ret = bfd_mach_o_scan_read_symtab_strtab (abfd, sym); |
884 | if (ret != 0) | |
885 | return ret; | |
886 | ||
887 | for (i = 0; i < sym->nsyms; i++) | |
888 | { | |
889 | ret = bfd_mach_o_scan_read_symtab_symbol (abfd, sym, &sym->symbols[i], i); | |
890 | if (ret != 0) | |
891 | return ret; | |
892 | } | |
a95a4550 | 893 | |
3af9a47b NC |
894 | return 0; |
895 | } | |
896 | ||
897 | int | |
898 | bfd_mach_o_scan_read_dysymtab_symbol (abfd, dysym, sym, s, i) | |
899 | bfd *abfd; | |
900 | bfd_mach_o_dysymtab_command *dysym; | |
901 | bfd_mach_o_symtab_command *sym; | |
902 | asymbol *s; | |
903 | unsigned long i; | |
904 | { | |
905 | unsigned long isymoff = dysym->indirectsymoff + (i * 4); | |
906 | unsigned long symindex; | |
907 | unsigned char buf[4]; | |
908 | ||
909 | BFD_ASSERT (i < dysym->nindirectsyms); | |
a95a4550 | 910 | |
3af9a47b NC |
911 | bfd_seek (abfd, isymoff, SEEK_SET); |
912 | if (bfd_bread ((PTR) buf, 4, abfd) != 4) | |
913 | { | |
914 | fprintf (stderr, "bfd_mach_o_scan_read_dysymtab_symbol: unable to read %lu bytes at %lu\n", | |
915 | (unsigned long) 4, isymoff); | |
916 | return -1; | |
917 | } | |
918 | symindex = bfd_h_get_32 (abfd, buf); | |
a95a4550 | 919 | |
3af9a47b NC |
920 | return bfd_mach_o_scan_read_symtab_symbol (abfd, sym, s, symindex); |
921 | } | |
922 | ||
923 | static const char * | |
924 | bfd_mach_o_i386_flavour_string (flavour) | |
925 | unsigned int flavour; | |
926 | { | |
927 | switch ((int) flavour) | |
928 | { | |
929 | case BFD_MACH_O_i386_NEW_THREAD_STATE: return "i386_NEW_THREAD_STATE"; | |
930 | case BFD_MACH_O_i386_FLOAT_STATE: return "i386_FLOAT_STATE"; | |
931 | case BFD_MACH_O_i386_ISA_PORT_MAP_STATE: return "i386_ISA_PORT_MAP_STATE"; | |
932 | case BFD_MACH_O_i386_V86_ASSIST_STATE: return "i386_V86_ASSIST_STATE"; | |
933 | case BFD_MACH_O_i386_REGS_SEGS_STATE: return "i386_REGS_SEGS_STATE"; | |
934 | case BFD_MACH_O_i386_THREAD_SYSCALL_STATE: return "i386_THREAD_SYSCALL_STATE"; | |
935 | case BFD_MACH_O_i386_THREAD_STATE_NONE: return "i386_THREAD_STATE_NONE"; | |
936 | case BFD_MACH_O_i386_SAVED_STATE: return "i386_SAVED_STATE"; | |
937 | case BFD_MACH_O_i386_THREAD_STATE: return "i386_THREAD_STATE"; | |
938 | case BFD_MACH_O_i386_THREAD_FPSTATE: return "i386_THREAD_FPSTATE"; | |
939 | case BFD_MACH_O_i386_THREAD_EXCEPTSTATE: return "i386_THREAD_EXCEPTSTATE"; | |
940 | case BFD_MACH_O_i386_THREAD_CTHREADSTATE: return "i386_THREAD_CTHREADSTATE"; | |
941 | default: return "UNKNOWN"; | |
942 | } | |
943 | } | |
944 | ||
945 | static const char * | |
946 | bfd_mach_o_ppc_flavour_string (flavour) | |
947 | unsigned int flavour; | |
948 | { | |
949 | switch ((int) flavour) | |
950 | { | |
951 | case BFD_MACH_O_PPC_THREAD_STATE: return "PPC_THREAD_STATE"; | |
952 | case BFD_MACH_O_PPC_FLOAT_STATE: return "PPC_FLOAT_STATE"; | |
953 | case BFD_MACH_O_PPC_EXCEPTION_STATE: return "PPC_EXCEPTION_STATE"; | |
954 | case BFD_MACH_O_PPC_VECTOR_STATE: return "PPC_VECTOR_STATE"; | |
955 | default: return "UNKNOWN"; | |
956 | } | |
957 | } | |
958 | ||
959 | static int | |
960 | bfd_mach_o_scan_write_thread (abfd, command) | |
961 | bfd *abfd; | |
962 | bfd_mach_o_load_command *command; | |
963 | { | |
964 | bfd_mach_o_thread_command *cmd = &command->command.thread; | |
965 | unsigned int i; | |
966 | unsigned char buf[8]; | |
967 | bfd_vma offset; | |
968 | unsigned int nflavours; | |
969 | ||
970 | BFD_ASSERT ((command->type == BFD_MACH_O_LC_THREAD) | |
971 | || (command->type == BFD_MACH_O_LC_UNIXTHREAD)); | |
972 | ||
973 | offset = 8; | |
974 | nflavours = 0; | |
975 | for (i = 0; i < cmd->nflavours; i++) | |
976 | { | |
977 | BFD_ASSERT ((cmd->flavours[i].size % 4) == 0); | |
978 | BFD_ASSERT (cmd->flavours[i].offset == (command->offset + offset + 8)); | |
979 | ||
980 | bfd_h_put_32 (abfd, cmd->flavours[i].flavour, buf); | |
981 | bfd_h_put_32 (abfd, (cmd->flavours[i].size / 4), buf + 4); | |
982 | ||
983 | bfd_seek (abfd, command->offset + offset, SEEK_SET); | |
984 | if (bfd_bwrite ((PTR) buf, 8, abfd) != 8) | |
985 | return -1; | |
986 | ||
987 | offset += cmd->flavours[i].size + 8; | |
988 | } | |
989 | ||
990 | return 0; | |
991 | } | |
992 | ||
993 | static int | |
994 | bfd_mach_o_scan_read_dylinker (abfd, command) | |
995 | bfd *abfd; | |
996 | bfd_mach_o_load_command *command; | |
997 | { | |
998 | bfd_mach_o_dylinker_command *cmd = &command->command.dylinker; | |
999 | unsigned char buf[4]; | |
1000 | unsigned int nameoff; | |
1001 | asection *bfdsec; | |
1002 | char *sname; | |
1003 | const char *prefix; | |
1004 | ||
1005 | BFD_ASSERT ((command->type == BFD_MACH_O_LC_ID_DYLINKER) | |
1006 | || (command->type == BFD_MACH_O_LC_LOAD_DYLINKER)); | |
1007 | ||
1008 | bfd_seek (abfd, command->offset + 8, SEEK_SET); | |
1009 | if (bfd_bread ((PTR) buf, 4, abfd) != 4) | |
1010 | return -1; | |
1011 | ||
1012 | nameoff = bfd_h_get_32 (abfd, buf + 0); | |
1013 | ||
1014 | cmd->name_offset = command->offset + nameoff; | |
1015 | cmd->name_len = command->len - nameoff; | |
1016 | ||
1017 | if (command->type == BFD_MACH_O_LC_LOAD_DYLINKER) | |
1018 | prefix = "LC_LOAD_DYLINKER"; | |
1019 | else if (command->type == BFD_MACH_O_LC_ID_DYLINKER) | |
1020 | prefix = "LC_ID_DYLINKER"; | |
1021 | else | |
1022 | abort (); | |
1023 | ||
1024 | sname = (char *) bfd_alloc (abfd, strlen (prefix) + 1); | |
1025 | if (sname == NULL) | |
1026 | return -1; | |
1027 | strcpy (sname, prefix); | |
1028 | ||
1029 | bfdsec = bfd_make_section_anyway (abfd, sname); | |
1030 | if (bfdsec == NULL) | |
1031 | return -1; | |
a95a4550 | 1032 | |
3af9a47b NC |
1033 | bfdsec->vma = 0; |
1034 | bfdsec->lma = 0; | |
eea6121a | 1035 | bfdsec->size = command->len - 8; |
3af9a47b NC |
1036 | bfdsec->filepos = command->offset + 8; |
1037 | bfdsec->alignment_power = 0; | |
1038 | bfdsec->flags = SEC_HAS_CONTENTS; | |
1039 | ||
1040 | cmd->section = bfdsec; | |
1041 | ||
1042 | return 0; | |
1043 | } | |
1044 | ||
1045 | static int | |
1046 | bfd_mach_o_scan_read_dylib (abfd, command) | |
1047 | bfd *abfd; | |
1048 | bfd_mach_o_load_command *command; | |
1049 | { | |
1050 | bfd_mach_o_dylib_command *cmd = &command->command.dylib; | |
1051 | unsigned char buf[16]; | |
1052 | unsigned int nameoff; | |
1053 | asection *bfdsec; | |
1054 | char *sname; | |
1055 | const char *prefix; | |
1056 | ||
1057 | BFD_ASSERT ((command->type == BFD_MACH_O_LC_ID_DYLIB) | |
1058 | || (command->type == BFD_MACH_O_LC_LOAD_DYLIB) | |
1059 | || (command->type == BFD_MACH_O_LC_LOAD_WEAK_DYLIB)); | |
1060 | ||
1061 | bfd_seek (abfd, command->offset + 8, SEEK_SET); | |
1062 | if (bfd_bread ((PTR) buf, 16, abfd) != 16) | |
1063 | return -1; | |
1064 | ||
1065 | nameoff = bfd_h_get_32 (abfd, buf + 0); | |
1066 | cmd->timestamp = bfd_h_get_32 (abfd, buf + 4); | |
1067 | cmd->current_version = bfd_h_get_32 (abfd, buf + 8); | |
1068 | cmd->compatibility_version = bfd_h_get_32 (abfd, buf + 12); | |
1069 | ||
1070 | cmd->name_offset = command->offset + nameoff; | |
1071 | cmd->name_len = command->len - nameoff; | |
1072 | ||
1073 | if (command->type == BFD_MACH_O_LC_LOAD_DYLIB) | |
1074 | prefix = "LC_LOAD_DYLIB"; | |
1075 | else if (command->type == BFD_MACH_O_LC_LOAD_WEAK_DYLIB) | |
1076 | prefix = "LC_LOAD_WEAK_DYLIB"; | |
1077 | else if (command->type == BFD_MACH_O_LC_ID_DYLIB) | |
1078 | prefix = "LC_ID_DYLIB"; | |
1079 | else | |
1080 | abort (); | |
1081 | ||
1082 | sname = (char *) bfd_alloc (abfd, strlen (prefix) + 1); | |
1083 | if (sname == NULL) | |
1084 | return -1; | |
1085 | strcpy (sname, prefix); | |
1086 | ||
1087 | bfdsec = bfd_make_section_anyway (abfd, sname); | |
1088 | if (bfdsec == NULL) | |
1089 | return -1; | |
a95a4550 | 1090 | |
3af9a47b NC |
1091 | bfdsec->vma = 0; |
1092 | bfdsec->lma = 0; | |
eea6121a | 1093 | bfdsec->size = command->len - 8; |
3af9a47b NC |
1094 | bfdsec->filepos = command->offset + 8; |
1095 | bfdsec->alignment_power = 0; | |
1096 | bfdsec->flags = SEC_HAS_CONTENTS; | |
1097 | ||
1098 | cmd->section = bfdsec; | |
1099 | ||
1100 | return 0; | |
1101 | } | |
1102 | ||
1103 | static int | |
1104 | bfd_mach_o_scan_read_prebound_dylib (abfd, command) | |
1105 | bfd *abfd ATTRIBUTE_UNUSED; | |
1106 | bfd_mach_o_load_command *command ATTRIBUTE_UNUSED; | |
1107 | { | |
1108 | /* bfd_mach_o_prebound_dylib_command *cmd = &command->command.prebound_dylib; */ | |
1109 | ||
1110 | BFD_ASSERT (command->type == BFD_MACH_O_LC_PREBOUND_DYLIB); | |
1111 | return 0; | |
1112 | } | |
1113 | ||
1114 | static int | |
1115 | bfd_mach_o_scan_read_thread (abfd, command) | |
1116 | bfd *abfd; | |
1117 | bfd_mach_o_load_command *command; | |
1118 | { | |
1119 | bfd_mach_o_data_struct *mdata = NULL; | |
1120 | bfd_mach_o_thread_command *cmd = &command->command.thread; | |
1121 | unsigned char buf[8]; | |
1122 | bfd_vma offset; | |
1123 | unsigned int nflavours; | |
1124 | unsigned int i; | |
1125 | ||
1126 | BFD_ASSERT ((command->type == BFD_MACH_O_LC_THREAD) | |
1127 | || (command->type == BFD_MACH_O_LC_UNIXTHREAD)); | |
1128 | ||
1129 | BFD_ASSERT (bfd_mach_o_valid (abfd)); | |
1130 | mdata = abfd->tdata.mach_o_data; | |
a95a4550 | 1131 | |
3af9a47b NC |
1132 | offset = 8; |
1133 | nflavours = 0; | |
1134 | while (offset != command->len) | |
1135 | { | |
1136 | if (offset >= command->len) | |
1137 | return -1; | |
1138 | ||
1139 | bfd_seek (abfd, command->offset + offset, SEEK_SET); | |
1140 | ||
1141 | if (bfd_bread ((PTR) buf, 8, abfd) != 8) | |
1142 | return -1; | |
1143 | ||
1144 | offset += 8 + bfd_h_get_32 (abfd, buf + 4) * 4; | |
1145 | nflavours++; | |
1146 | } | |
1147 | ||
1148 | cmd->flavours = | |
1149 | ((bfd_mach_o_thread_flavour *) | |
1150 | bfd_alloc (abfd, nflavours * sizeof (bfd_mach_o_thread_flavour))); | |
1151 | if (cmd->flavours == NULL) | |
1152 | return -1; | |
1153 | cmd->nflavours = nflavours; | |
1154 | ||
1155 | offset = 8; | |
1156 | nflavours = 0; | |
1157 | while (offset != command->len) | |
1158 | { | |
1159 | if (offset >= command->len) | |
1160 | return -1; | |
1161 | ||
1162 | if (nflavours >= cmd->nflavours) | |
1163 | return -1; | |
1164 | ||
1165 | bfd_seek (abfd, command->offset + offset, SEEK_SET); | |
1166 | ||
1167 | if (bfd_bread ((PTR) buf, 8, abfd) != 8) | |
1168 | return -1; | |
1169 | ||
1170 | cmd->flavours[nflavours].flavour = bfd_h_get_32 (abfd, buf); | |
1171 | cmd->flavours[nflavours].offset = command->offset + offset + 8; | |
1172 | cmd->flavours[nflavours].size = bfd_h_get_32 (abfd, buf + 4) * 4; | |
1173 | offset += cmd->flavours[nflavours].size + 8; | |
1174 | nflavours++; | |
1175 | } | |
1176 | ||
1177 | for (i = 0; i < nflavours; i++) | |
1178 | { | |
1179 | asection *bfdsec; | |
1180 | unsigned int snamelen; | |
1181 | char *sname; | |
1182 | const char *flavourstr; | |
1183 | const char *prefix = "LC_THREAD"; | |
a95a4550 AM |
1184 | unsigned int j = 0; |
1185 | ||
3af9a47b NC |
1186 | switch (mdata->header.cputype) |
1187 | { | |
1188 | case BFD_MACH_O_CPU_TYPE_POWERPC: | |
1189 | flavourstr = bfd_mach_o_ppc_flavour_string (cmd->flavours[i].flavour); | |
1190 | break; | |
1191 | case BFD_MACH_O_CPU_TYPE_I386: | |
1192 | flavourstr = bfd_mach_o_i386_flavour_string (cmd->flavours[i].flavour); | |
1193 | break; | |
1194 | default: | |
1195 | flavourstr = "UNKNOWN_ARCHITECTURE"; | |
1196 | break; | |
1197 | } | |
a95a4550 | 1198 | |
3af9a47b NC |
1199 | snamelen = strlen (prefix) + 1 + 20 + 1 + strlen (flavourstr) + 1; |
1200 | sname = (char *) bfd_alloc (abfd, snamelen); | |
1201 | if (sname == NULL) | |
1202 | return -1; | |
1203 | ||
1204 | for (;;) | |
1205 | { | |
a95a4550 AM |
1206 | sprintf (sname, "%s.%s.%u", prefix, flavourstr, j); |
1207 | if (bfd_get_section_by_name (abfd, sname) == NULL) | |
3af9a47b | 1208 | break; |
a95a4550 | 1209 | j++; |
3af9a47b NC |
1210 | } |
1211 | ||
1212 | bfdsec = bfd_make_section (abfd, sname); | |
a95a4550 | 1213 | |
3af9a47b NC |
1214 | bfdsec->vma = 0; |
1215 | bfdsec->lma = 0; | |
eea6121a | 1216 | bfdsec->size = cmd->flavours[i].size; |
3af9a47b NC |
1217 | bfdsec->filepos = cmd->flavours[i].offset; |
1218 | bfdsec->alignment_power = 0x0; | |
1219 | bfdsec->flags = SEC_HAS_CONTENTS; | |
1220 | ||
1221 | cmd->section = bfdsec; | |
1222 | } | |
1223 | ||
1224 | return 0; | |
1225 | } | |
1226 | ||
a95a4550 | 1227 | static int |
3af9a47b NC |
1228 | bfd_mach_o_scan_write_symtab (abfd, command) |
1229 | bfd *abfd; | |
1230 | bfd_mach_o_load_command *command; | |
1231 | { | |
1232 | bfd_mach_o_symtab_command *seg = &command->command.symtab; | |
1233 | unsigned char buf[16]; | |
1234 | ||
1235 | BFD_ASSERT (command->type == BFD_MACH_O_LC_SYMTAB); | |
1236 | ||
1237 | bfd_h_put_32 (abfd, seg->symoff, buf); | |
1238 | bfd_h_put_32 (abfd, seg->nsyms, buf + 4); | |
1239 | bfd_h_put_32 (abfd, seg->stroff, buf + 8); | |
1240 | bfd_h_put_32 (abfd, seg->strsize, buf + 12); | |
1241 | ||
1242 | bfd_seek (abfd, command->offset + 8, SEEK_SET); | |
1243 | if (bfd_bwrite ((PTR) buf, 16, abfd) != 16) | |
1244 | return -1; | |
a95a4550 | 1245 | |
3af9a47b NC |
1246 | if (bfd_mach_o_scan_write_symtab_symbols (abfd, command) != 0) |
1247 | return -1; | |
1248 | ||
1249 | return 0; | |
1250 | } | |
1251 | ||
a95a4550 | 1252 | static int |
3af9a47b NC |
1253 | bfd_mach_o_scan_read_dysymtab (abfd, command) |
1254 | bfd *abfd; | |
1255 | bfd_mach_o_load_command *command; | |
1256 | { | |
1257 | bfd_mach_o_dysymtab_command *seg = &command->command.dysymtab; | |
1258 | unsigned char buf[72]; | |
1259 | ||
1260 | BFD_ASSERT (command->type == BFD_MACH_O_LC_DYSYMTAB); | |
1261 | ||
1262 | bfd_seek (abfd, command->offset + 8, SEEK_SET); | |
1263 | if (bfd_bread ((PTR) buf, 72, abfd) != 72) | |
1264 | return -1; | |
1265 | ||
1266 | seg->ilocalsym = bfd_h_get_32 (abfd, buf + 0); | |
1267 | seg->nlocalsym = bfd_h_get_32 (abfd, buf + 4); | |
1268 | seg->iextdefsym = bfd_h_get_32 (abfd, buf + 8); | |
1269 | seg->nextdefsym = bfd_h_get_32 (abfd, buf + 12); | |
1270 | seg->iundefsym = bfd_h_get_32 (abfd, buf + 16); | |
1271 | seg->nundefsym = bfd_h_get_32 (abfd, buf + 20); | |
1272 | seg->tocoff = bfd_h_get_32 (abfd, buf + 24); | |
1273 | seg->ntoc = bfd_h_get_32 (abfd, buf + 28); | |
1274 | seg->modtaboff = bfd_h_get_32 (abfd, buf + 32); | |
1275 | seg->nmodtab = bfd_h_get_32 (abfd, buf + 36); | |
1276 | seg->extrefsymoff = bfd_h_get_32 (abfd, buf + 40); | |
1277 | seg->nextrefsyms = bfd_h_get_32 (abfd, buf + 44); | |
1278 | seg->indirectsymoff = bfd_h_get_32 (abfd, buf + 48); | |
1279 | seg->nindirectsyms = bfd_h_get_32 (abfd, buf + 52); | |
1280 | seg->extreloff = bfd_h_get_32 (abfd, buf + 56); | |
1281 | seg->nextrel = bfd_h_get_32 (abfd, buf + 60); | |
1282 | seg->locreloff = bfd_h_get_32 (abfd, buf + 64); | |
1283 | seg->nlocrel = bfd_h_get_32 (abfd, buf + 68); | |
1284 | ||
1285 | return 0; | |
1286 | } | |
1287 | ||
a95a4550 | 1288 | static int |
3af9a47b NC |
1289 | bfd_mach_o_scan_read_symtab (abfd, command) |
1290 | bfd *abfd; | |
1291 | bfd_mach_o_load_command *command; | |
1292 | { | |
1293 | bfd_mach_o_symtab_command *seg = &command->command.symtab; | |
1294 | unsigned char buf[16]; | |
1295 | asection *bfdsec; | |
1296 | char *sname; | |
1297 | const char *prefix = "LC_SYMTAB.stabs"; | |
1298 | ||
1299 | BFD_ASSERT (command->type == BFD_MACH_O_LC_SYMTAB); | |
1300 | ||
1301 | bfd_seek (abfd, command->offset + 8, SEEK_SET); | |
1302 | if (bfd_bread ((PTR) buf, 16, abfd) != 16) | |
1303 | return -1; | |
a95a4550 | 1304 | |
3af9a47b NC |
1305 | seg->symoff = bfd_h_get_32 (abfd, buf); |
1306 | seg->nsyms = bfd_h_get_32 (abfd, buf + 4); | |
1307 | seg->stroff = bfd_h_get_32 (abfd, buf + 8); | |
1308 | seg->strsize = bfd_h_get_32 (abfd, buf + 12); | |
1309 | seg->symbols = NULL; | |
1310 | seg->strtab = NULL; | |
1311 | ||
1312 | sname = (char *) bfd_alloc (abfd, strlen (prefix) + 1); | |
1313 | if (sname == NULL) | |
1314 | return -1; | |
1315 | strcpy (sname, prefix); | |
1316 | ||
1317 | bfdsec = bfd_make_section_anyway (abfd, sname); | |
1318 | if (bfdsec == NULL) | |
1319 | return -1; | |
a95a4550 | 1320 | |
3af9a47b NC |
1321 | bfdsec->vma = 0; |
1322 | bfdsec->lma = 0; | |
eea6121a | 1323 | bfdsec->size = seg->nsyms * 12; |
3af9a47b NC |
1324 | bfdsec->filepos = seg->symoff; |
1325 | bfdsec->alignment_power = 0; | |
1326 | bfdsec->flags = SEC_HAS_CONTENTS; | |
1327 | ||
1328 | seg->stabs_segment = bfdsec; | |
1329 | ||
1330 | prefix = "LC_SYMTAB.stabstr"; | |
1331 | sname = (char *) bfd_alloc (abfd, strlen (prefix) + 1); | |
1332 | if (sname == NULL) | |
1333 | return -1; | |
1334 | strcpy (sname, prefix); | |
1335 | ||
1336 | bfdsec = bfd_make_section_anyway (abfd, sname); | |
1337 | if (bfdsec == NULL) | |
1338 | return -1; | |
a95a4550 | 1339 | |
3af9a47b NC |
1340 | bfdsec->vma = 0; |
1341 | bfdsec->lma = 0; | |
eea6121a | 1342 | bfdsec->size = seg->strsize; |
3af9a47b NC |
1343 | bfdsec->filepos = seg->stroff; |
1344 | bfdsec->alignment_power = 0; | |
1345 | bfdsec->flags = SEC_HAS_CONTENTS; | |
1346 | ||
1347 | seg->stabstr_segment = bfdsec; | |
1348 | ||
1349 | return 0; | |
1350 | } | |
1351 | ||
1352 | static int | |
1353 | bfd_mach_o_scan_read_segment (abfd, command) | |
1354 | bfd *abfd; | |
1355 | bfd_mach_o_load_command *command; | |
1356 | { | |
1357 | unsigned char buf[48]; | |
1358 | bfd_mach_o_segment_command *seg = &command->command.segment; | |
1359 | unsigned long i; | |
1360 | asection *bfdsec; | |
1361 | char *sname; | |
1362 | const char *prefix = "LC_SEGMENT"; | |
1363 | unsigned int snamelen; | |
a95a4550 | 1364 | |
3af9a47b NC |
1365 | BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT); |
1366 | ||
1367 | bfd_seek (abfd, command->offset + 8, SEEK_SET); | |
1368 | if (bfd_bread ((PTR) buf, 48, abfd) != 48) | |
1369 | return -1; | |
1370 | ||
1371 | memcpy (seg->segname, buf, 16); | |
1372 | seg->vmaddr = bfd_h_get_32 (abfd, buf + 16); | |
1373 | seg->vmsize = bfd_h_get_32 (abfd, buf + 20); | |
1374 | seg->fileoff = bfd_h_get_32 (abfd, buf + 24); | |
1375 | seg->filesize = bfd_h_get_32 (abfd, buf + 28); | |
1376 | /* seg->maxprot = bfd_h_get_32 (abfd, buf + 32); */ | |
1377 | /* seg->initprot = bfd_h_get_32 (abfd, buf + 36); */ | |
1378 | seg->nsects = bfd_h_get_32 (abfd, buf + 40); | |
1379 | seg->flags = bfd_h_get_32 (abfd, buf + 44); | |
1380 | ||
1381 | snamelen = strlen (prefix) + 1 + strlen (seg->segname) + 1; | |
1382 | sname = (char *) bfd_alloc (abfd, snamelen); | |
1383 | if (sname == NULL) | |
1384 | return -1; | |
1385 | sprintf (sname, "%s.%s", prefix, seg->segname); | |
1386 | ||
1387 | bfdsec = bfd_make_section_anyway (abfd, sname); | |
1388 | if (bfdsec == NULL) | |
1389 | return -1; | |
1390 | ||
1391 | bfdsec->vma = seg->vmaddr; | |
1392 | bfdsec->lma = seg->vmaddr; | |
eea6121a | 1393 | bfdsec->size = seg->filesize; |
3af9a47b NC |
1394 | bfdsec->filepos = seg->fileoff; |
1395 | bfdsec->alignment_power = 0x0; | |
1396 | bfdsec->flags = SEC_HAS_CONTENTS | SEC_LOAD | SEC_ALLOC | SEC_CODE; | |
1397 | ||
1398 | seg->segment = bfdsec; | |
1399 | ||
1400 | if (seg->nsects != 0) | |
1401 | { | |
a95a4550 | 1402 | seg->sections = |
3af9a47b NC |
1403 | ((bfd_mach_o_section *) |
1404 | bfd_alloc (abfd, seg->nsects * sizeof (bfd_mach_o_section))); | |
1405 | if (seg->sections == NULL) | |
1406 | return -1; | |
a95a4550 | 1407 | |
3af9a47b NC |
1408 | for (i = 0; i < seg->nsects; i++) |
1409 | { | |
1410 | bfd_vma segoff = command->offset + 48 + 8 + (i * 68); | |
1411 | ||
e84d6fca AM |
1412 | if (bfd_mach_o_scan_read_section (abfd, &seg->sections[i], |
1413 | segoff) != 0) | |
3af9a47b | 1414 | return -1; |
a95a4550 | 1415 | } |
3af9a47b NC |
1416 | } |
1417 | ||
1418 | return 0; | |
1419 | } | |
1420 | ||
1421 | static int | |
1422 | bfd_mach_o_scan_write_segment (abfd, command) | |
1423 | bfd *abfd; | |
1424 | bfd_mach_o_load_command *command; | |
1425 | { | |
1426 | unsigned char buf[48]; | |
1427 | bfd_mach_o_segment_command *seg = &command->command.segment; | |
1428 | unsigned long i; | |
a95a4550 | 1429 | |
3af9a47b NC |
1430 | BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT); |
1431 | ||
1432 | memcpy (buf, seg->segname, 16); | |
1433 | bfd_h_put_32 (abfd, seg->vmaddr, buf + 16); | |
1434 | bfd_h_put_32 (abfd, seg->vmsize, buf + 20); | |
1435 | bfd_h_put_32 (abfd, seg->fileoff, buf + 24); | |
1436 | bfd_h_put_32 (abfd, seg->filesize, buf + 28); | |
1437 | bfd_h_put_32 (abfd, 0 /* seg->maxprot */, buf + 32); | |
1438 | bfd_h_put_32 (abfd, 0 /* seg->initprot */, buf + 36); | |
1439 | bfd_h_put_32 (abfd, seg->nsects, buf + 40); | |
1440 | bfd_h_put_32 (abfd, seg->flags, buf + 44); | |
1441 | ||
1442 | bfd_seek (abfd, command->offset + 8, SEEK_SET); | |
1443 | if (bfd_bwrite ((PTR) buf, 48, abfd) != 48) | |
1444 | return -1; | |
1445 | ||
1446 | { | |
1447 | char buf[1024]; | |
1448 | bfd_vma nbytes = seg->filesize; | |
1449 | bfd_vma curoff = seg->fileoff; | |
a95a4550 | 1450 | |
3af9a47b NC |
1451 | while (nbytes > 0) |
1452 | { | |
1453 | bfd_vma thisread = nbytes; | |
1454 | ||
1455 | if (thisread > 1024) | |
1456 | thisread = 1024; | |
1457 | ||
1458 | bfd_seek (abfd, curoff, SEEK_SET); | |
1459 | if (bfd_bread ((PTR) buf, thisread, abfd) != thisread) | |
1460 | return -1; | |
1461 | ||
1462 | bfd_seek (abfd, curoff, SEEK_SET); | |
1463 | if (bfd_bwrite ((PTR) buf, thisread, abfd) != thisread) | |
1464 | return -1; | |
1465 | ||
1466 | nbytes -= thisread; | |
1467 | curoff += thisread; | |
1468 | } | |
1469 | } | |
1470 | ||
1471 | for (i = 0; i < seg->nsects; i++) | |
1472 | { | |
1473 | bfd_vma segoff = command->offset + 48 + 8 + (i * 68); | |
1474 | ||
1475 | if (bfd_mach_o_scan_write_section (abfd, &seg->sections[i], segoff) != 0) | |
1476 | return -1; | |
1477 | } | |
1478 | ||
1479 | return 0; | |
1480 | } | |
1481 | ||
1482 | static int | |
1483 | bfd_mach_o_scan_read_command (abfd, command) | |
1484 | bfd *abfd; | |
1485 | bfd_mach_o_load_command *command; | |
1486 | { | |
1487 | unsigned char buf[8]; | |
1488 | ||
1489 | bfd_seek (abfd, command->offset, SEEK_SET); | |
1490 | if (bfd_bread ((PTR) buf, 8, abfd) != 8) | |
1491 | return -1; | |
1492 | ||
1493 | command->type = (bfd_h_get_32 (abfd, buf) & ~BFD_MACH_O_LC_REQ_DYLD); | |
e84d6fca AM |
1494 | command->type_required = (bfd_h_get_32 (abfd, buf) & BFD_MACH_O_LC_REQ_DYLD |
1495 | ? 1 : 0); | |
3af9a47b NC |
1496 | command->len = bfd_h_get_32 (abfd, buf + 4); |
1497 | ||
1498 | switch (command->type) | |
1499 | { | |
1500 | case BFD_MACH_O_LC_SEGMENT: | |
1501 | if (bfd_mach_o_scan_read_segment (abfd, command) != 0) | |
1502 | return -1; | |
1503 | break; | |
1504 | case BFD_MACH_O_LC_SYMTAB: | |
1505 | if (bfd_mach_o_scan_read_symtab (abfd, command) != 0) | |
1506 | return -1; | |
1507 | break; | |
1508 | case BFD_MACH_O_LC_SYMSEG: | |
1509 | break; | |
1510 | case BFD_MACH_O_LC_THREAD: | |
1511 | case BFD_MACH_O_LC_UNIXTHREAD: | |
1512 | if (bfd_mach_o_scan_read_thread (abfd, command) != 0) | |
1513 | return -1; | |
1514 | break; | |
1515 | case BFD_MACH_O_LC_LOAD_DYLINKER: | |
1516 | case BFD_MACH_O_LC_ID_DYLINKER: | |
1517 | if (bfd_mach_o_scan_read_dylinker (abfd, command) != 0) | |
1518 | return -1; | |
1519 | break; | |
1520 | case BFD_MACH_O_LC_LOAD_DYLIB: | |
1521 | case BFD_MACH_O_LC_ID_DYLIB: | |
1522 | case BFD_MACH_O_LC_LOAD_WEAK_DYLIB: | |
1523 | if (bfd_mach_o_scan_read_dylib (abfd, command) != 0) | |
1524 | return -1; | |
1525 | break; | |
1526 | case BFD_MACH_O_LC_PREBOUND_DYLIB: | |
1527 | if (bfd_mach_o_scan_read_prebound_dylib (abfd, command) != 0) | |
1528 | return -1; | |
1529 | break; | |
1530 | case BFD_MACH_O_LC_LOADFVMLIB: | |
1531 | case BFD_MACH_O_LC_IDFVMLIB: | |
1532 | case BFD_MACH_O_LC_IDENT: | |
1533 | case BFD_MACH_O_LC_FVMFILE: | |
1534 | case BFD_MACH_O_LC_PREPAGE: | |
1535 | case BFD_MACH_O_LC_ROUTINES: | |
1536 | case BFD_MACH_O_LC_SUB_FRAMEWORK: | |
1537 | break; | |
1538 | case BFD_MACH_O_LC_DYSYMTAB: | |
1539 | if (bfd_mach_o_scan_read_dysymtab (abfd, command) != 0) | |
1540 | return -1; | |
1541 | break; | |
1542 | case BFD_MACH_O_LC_SUB_UMBRELLA: | |
1543 | case BFD_MACH_O_LC_SUB_CLIENT: | |
1544 | case BFD_MACH_O_LC_SUB_LIBRARY: | |
1545 | case BFD_MACH_O_LC_TWOLEVEL_HINTS: | |
1546 | case BFD_MACH_O_LC_PREBIND_CKSUM: | |
1547 | break; | |
1548 | default: | |
1549 | fprintf (stderr, "unable to read unknown load command 0x%lx\n", | |
1550 | (unsigned long) command->type); | |
1551 | break; | |
1552 | } | |
1553 | ||
1554 | return 0; | |
1555 | } | |
1556 | ||
1557 | static void | |
1558 | bfd_mach_o_flatten_sections (abfd) | |
1559 | bfd *abfd; | |
1560 | { | |
1561 | bfd_mach_o_data_struct *mdata = abfd->tdata.mach_o_data; | |
1562 | long csect = 0; | |
1563 | unsigned long i, j; | |
a95a4550 | 1564 | |
3af9a47b NC |
1565 | mdata->nsects = 0; |
1566 | ||
1567 | for (i = 0; i < mdata->header.ncmds; i++) | |
1568 | { | |
1569 | if (mdata->commands[i].type == BFD_MACH_O_LC_SEGMENT) | |
1570 | { | |
e84d6fca AM |
1571 | bfd_mach_o_segment_command *seg; |
1572 | ||
1573 | seg = &mdata->commands[i].command.segment; | |
3af9a47b NC |
1574 | mdata->nsects += seg->nsects; |
1575 | } | |
1576 | } | |
1577 | ||
e84d6fca AM |
1578 | mdata->sections = bfd_alloc (abfd, |
1579 | mdata->nsects * sizeof (bfd_mach_o_section *)); | |
3af9a47b NC |
1580 | csect = 0; |
1581 | ||
1582 | for (i = 0; i < mdata->header.ncmds; i++) | |
1583 | { | |
1584 | if (mdata->commands[i].type == BFD_MACH_O_LC_SEGMENT) | |
1585 | { | |
e84d6fca | 1586 | bfd_mach_o_segment_command *seg; |
3af9a47b | 1587 | |
e84d6fca | 1588 | seg = &mdata->commands[i].command.segment; |
3af9a47b NC |
1589 | BFD_ASSERT (csect + seg->nsects <= mdata->nsects); |
1590 | ||
1591 | for (j = 0; j < seg->nsects; j++) | |
1592 | mdata->sections[csect++] = &seg->sections[j]; | |
1593 | } | |
1594 | } | |
1595 | } | |
1596 | ||
1597 | int | |
1598 | bfd_mach_o_scan_start_address (abfd) | |
1599 | bfd *abfd; | |
1600 | { | |
1601 | bfd_mach_o_data_struct *mdata = abfd->tdata.mach_o_data; | |
1602 | bfd_mach_o_thread_command *cmd = NULL; | |
1603 | unsigned long i; | |
1604 | ||
1605 | for (i = 0; i < mdata->header.ncmds; i++) | |
1606 | { | |
1607 | if ((mdata->commands[i].type == BFD_MACH_O_LC_THREAD) || | |
1608 | (mdata->commands[i].type == BFD_MACH_O_LC_UNIXTHREAD)) | |
1609 | { | |
1610 | if (cmd == NULL) | |
1611 | cmd = &mdata->commands[i].command.thread; | |
1612 | else | |
1613 | return 0; | |
1614 | } | |
1615 | } | |
1616 | ||
1617 | if (cmd == NULL) | |
1618 | return 0; | |
1619 | ||
1620 | for (i = 0; i < cmd->nflavours; i++) | |
1621 | { | |
a95a4550 | 1622 | if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_I386) |
e84d6fca AM |
1623 | && (cmd->flavours[i].flavour |
1624 | == (unsigned long) BFD_MACH_O_i386_THREAD_STATE)) | |
3af9a47b NC |
1625 | { |
1626 | unsigned char buf[4]; | |
1627 | ||
1628 | bfd_seek (abfd, cmd->flavours[i].offset + 40, SEEK_SET); | |
1629 | ||
1630 | if (bfd_bread (buf, 4, abfd) != 4) | |
1631 | return -1; | |
1632 | ||
1633 | abfd->start_address = bfd_h_get_32 (abfd, buf); | |
1634 | } | |
a95a4550 | 1635 | else if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_POWERPC) |
3af9a47b NC |
1636 | && (cmd->flavours[i].flavour == BFD_MACH_O_PPC_THREAD_STATE)) |
1637 | { | |
1638 | unsigned char buf[4]; | |
1639 | ||
1640 | bfd_seek (abfd, cmd->flavours[i].offset + 0, SEEK_SET); | |
1641 | ||
1642 | if (bfd_bread (buf, 4, abfd) != 4) | |
1643 | return -1; | |
1644 | ||
1645 | abfd->start_address = bfd_h_get_32 (abfd, buf); | |
1646 | } | |
1647 | } | |
1648 | ||
1649 | return 0; | |
1650 | } | |
1651 | ||
1652 | int | |
e84d6fca | 1653 | bfd_mach_o_scan (abfd, header, mdata) |
3af9a47b NC |
1654 | bfd *abfd; |
1655 | bfd_mach_o_header *header; | |
e84d6fca | 1656 | bfd_mach_o_data_struct *mdata; |
3af9a47b NC |
1657 | { |
1658 | unsigned int i; | |
3af9a47b NC |
1659 | enum bfd_architecture cputype; |
1660 | unsigned long cpusubtype; | |
1661 | ||
3af9a47b NC |
1662 | mdata->header = *header; |
1663 | mdata->symbols = NULL; | |
1664 | ||
e84d6fca AM |
1665 | abfd->flags = (abfd->xvec->object_flags |
1666 | | (abfd->flags & (BFD_IN_MEMORY | BFD_IO_FUNCS))); | |
3af9a47b NC |
1667 | abfd->tdata.mach_o_data = mdata; |
1668 | ||
e84d6fca AM |
1669 | bfd_mach_o_convert_architecture (header->cputype, header->cpusubtype, |
1670 | &cputype, &cpusubtype); | |
3af9a47b NC |
1671 | if (cputype == bfd_arch_unknown) |
1672 | { | |
1673 | fprintf (stderr, "bfd_mach_o_scan: unknown architecture 0x%lx/0x%lx\n", | |
1674 | header->cputype, header->cpusubtype); | |
1675 | return -1; | |
1676 | } | |
1677 | ||
1678 | bfd_set_arch_mach (abfd, cputype, cpusubtype); | |
a95a4550 | 1679 | |
3af9a47b NC |
1680 | if (header->ncmds != 0) |
1681 | { | |
a95a4550 | 1682 | mdata->commands = |
3af9a47b NC |
1683 | ((bfd_mach_o_load_command *) |
1684 | bfd_alloc (abfd, header->ncmds * sizeof (bfd_mach_o_load_command))); | |
1685 | if (mdata->commands == NULL) | |
1686 | return -1; | |
a95a4550 | 1687 | |
3af9a47b NC |
1688 | for (i = 0; i < header->ncmds; i++) |
1689 | { | |
1690 | bfd_mach_o_load_command *cur = &mdata->commands[i]; | |
1691 | ||
1692 | if (i == 0) | |
1693 | cur->offset = 28; | |
1694 | else | |
1695 | { | |
1696 | bfd_mach_o_load_command *prev = &mdata->commands[i - 1]; | |
1697 | cur->offset = prev->offset + prev->len; | |
1698 | } | |
1699 | ||
1700 | if (bfd_mach_o_scan_read_command (abfd, cur) < 0) | |
1701 | return -1; | |
a95a4550 | 1702 | } |
3af9a47b NC |
1703 | } |
1704 | ||
1705 | if (bfd_mach_o_scan_start_address (abfd) < 0) | |
1706 | { | |
1707 | #if 0 | |
1708 | fprintf (stderr, "bfd_mach_o_scan: unable to scan start address: %s\n", | |
1709 | bfd_errmsg (bfd_get_error ())); | |
1710 | abfd->tdata.mach_o_data = NULL; | |
1711 | return -1; | |
1712 | #endif | |
1713 | } | |
1714 | ||
1715 | bfd_mach_o_flatten_sections (abfd); | |
1716 | ||
1717 | return 0; | |
1718 | } | |
1719 | ||
b34976b6 | 1720 | bfd_boolean |
3af9a47b NC |
1721 | bfd_mach_o_mkobject (abfd) |
1722 | bfd *abfd; | |
1723 | { | |
1724 | bfd_mach_o_data_struct *mdata = NULL; | |
1725 | ||
a95a4550 | 1726 | mdata = ((bfd_mach_o_data_struct *) |
3af9a47b NC |
1727 | bfd_alloc (abfd, sizeof (bfd_mach_o_data_struct))); |
1728 | if (mdata == NULL) | |
b34976b6 | 1729 | return FALSE; |
3af9a47b NC |
1730 | abfd->tdata.mach_o_data = mdata; |
1731 | ||
1732 | mdata->header.magic = 0; | |
1733 | mdata->header.cputype = 0; | |
1734 | mdata->header.cpusubtype = 0; | |
1735 | mdata->header.filetype = 0; | |
1736 | mdata->header.ncmds = 0; | |
1737 | mdata->header.sizeofcmds = 0; | |
1738 | mdata->header.flags = 0; | |
1739 | mdata->header.byteorder = BFD_ENDIAN_UNKNOWN; | |
1740 | mdata->commands = NULL; | |
1741 | mdata->nsymbols = 0; | |
1742 | mdata->symbols = NULL; | |
1743 | mdata->nsects = 0; | |
1744 | mdata->sections = NULL; | |
1745 | mdata->ibfd = NULL; | |
1746 | ||
b34976b6 | 1747 | return TRUE; |
3af9a47b NC |
1748 | } |
1749 | ||
1750 | const bfd_target * | |
1751 | bfd_mach_o_object_p (abfd) | |
1752 | bfd *abfd; | |
1753 | { | |
e84d6fca | 1754 | struct bfd_preserve preserve; |
3af9a47b NC |
1755 | bfd_mach_o_header header; |
1756 | ||
e84d6fca | 1757 | preserve.marker = NULL; |
3af9a47b | 1758 | if (bfd_mach_o_read_header (abfd, &header) != 0) |
e84d6fca | 1759 | goto wrong; |
3af9a47b | 1760 | |
e84d6fca AM |
1761 | if (! (header.byteorder == BFD_ENDIAN_BIG |
1762 | || header.byteorder == BFD_ENDIAN_LITTLE)) | |
3af9a47b | 1763 | { |
e84d6fca AM |
1764 | fprintf (stderr, "unknown header byte-order value 0x%lx\n", |
1765 | (long) header.byteorder); | |
1766 | goto wrong; | |
3af9a47b NC |
1767 | } |
1768 | ||
e84d6fca AM |
1769 | if (! ((header.byteorder == BFD_ENDIAN_BIG |
1770 | && abfd->xvec->byteorder == BFD_ENDIAN_BIG | |
1771 | && abfd->xvec->header_byteorder == BFD_ENDIAN_BIG) | |
1772 | || (header.byteorder == BFD_ENDIAN_LITTLE | |
1773 | && abfd->xvec->byteorder == BFD_ENDIAN_LITTLE | |
1774 | && abfd->xvec->header_byteorder == BFD_ENDIAN_LITTLE))) | |
1775 | goto wrong; | |
3af9a47b | 1776 | |
e84d6fca AM |
1777 | preserve.marker = bfd_zalloc (abfd, sizeof (bfd_mach_o_data_struct)); |
1778 | if (preserve.marker == NULL | |
1779 | || !bfd_preserve_save (abfd, &preserve)) | |
1780 | goto fail; | |
3af9a47b | 1781 | |
e84d6fca AM |
1782 | if (bfd_mach_o_scan (abfd, &header, |
1783 | (bfd_mach_o_data_struct *) preserve.marker) != 0) | |
1784 | goto wrong; | |
a95a4550 | 1785 | |
e84d6fca | 1786 | bfd_preserve_finish (abfd, &preserve); |
3af9a47b | 1787 | return abfd->xvec; |
e84d6fca AM |
1788 | |
1789 | wrong: | |
1790 | bfd_set_error (bfd_error_wrong_format); | |
1791 | ||
1792 | fail: | |
1793 | if (preserve.marker != NULL) | |
1794 | bfd_preserve_restore (abfd, &preserve); | |
1795 | return NULL; | |
3af9a47b NC |
1796 | } |
1797 | ||
1798 | const bfd_target * | |
1799 | bfd_mach_o_core_p (abfd) | |
1800 | bfd *abfd; | |
1801 | { | |
e84d6fca | 1802 | struct bfd_preserve preserve; |
3af9a47b NC |
1803 | bfd_mach_o_header header; |
1804 | ||
e84d6fca | 1805 | preserve.marker = NULL; |
3af9a47b | 1806 | if (bfd_mach_o_read_header (abfd, &header) != 0) |
e84d6fca | 1807 | goto wrong; |
3af9a47b | 1808 | |
e84d6fca AM |
1809 | if (! (header.byteorder == BFD_ENDIAN_BIG |
1810 | || header.byteorder == BFD_ENDIAN_LITTLE)) | |
3af9a47b | 1811 | { |
e84d6fca AM |
1812 | fprintf (stderr, "unknown header byte-order value 0x%lx\n", |
1813 | (long) header.byteorder); | |
3af9a47b NC |
1814 | abort (); |
1815 | } | |
1816 | ||
e84d6fca AM |
1817 | if (! ((header.byteorder == BFD_ENDIAN_BIG |
1818 | && abfd->xvec->byteorder == BFD_ENDIAN_BIG | |
1819 | && abfd->xvec->header_byteorder == BFD_ENDIAN_BIG) | |
1820 | || (header.byteorder == BFD_ENDIAN_LITTLE | |
1821 | && abfd->xvec->byteorder == BFD_ENDIAN_LITTLE | |
1822 | && abfd->xvec->header_byteorder == BFD_ENDIAN_LITTLE))) | |
1823 | goto wrong; | |
3af9a47b NC |
1824 | |
1825 | if (header.filetype != BFD_MACH_O_MH_CORE) | |
e84d6fca | 1826 | goto wrong; |
3af9a47b | 1827 | |
e84d6fca AM |
1828 | preserve.marker = bfd_zalloc (abfd, sizeof (bfd_mach_o_data_struct)); |
1829 | if (preserve.marker == NULL | |
1830 | || !bfd_preserve_save (abfd, &preserve)) | |
1831 | goto fail; | |
a95a4550 | 1832 | |
e84d6fca AM |
1833 | if (bfd_mach_o_scan (abfd, &header, |
1834 | (bfd_mach_o_data_struct *) preserve.marker) != 0) | |
1835 | goto wrong; | |
1836 | ||
1837 | bfd_preserve_finish (abfd, &preserve); | |
3af9a47b | 1838 | return abfd->xvec; |
e84d6fca AM |
1839 | |
1840 | wrong: | |
1841 | bfd_set_error (bfd_error_wrong_format); | |
1842 | ||
1843 | fail: | |
1844 | if (preserve.marker != NULL) | |
1845 | bfd_preserve_restore (abfd, &preserve); | |
1846 | return NULL; | |
3af9a47b NC |
1847 | } |
1848 | ||
1849 | typedef struct mach_o_fat_archentry | |
1850 | { | |
1851 | unsigned long cputype; | |
1852 | unsigned long cpusubtype; | |
1853 | unsigned long offset; | |
1854 | unsigned long size; | |
1855 | unsigned long align; | |
1856 | bfd *abfd; | |
1857 | } mach_o_fat_archentry; | |
1858 | ||
1859 | typedef struct mach_o_fat_data_struct | |
1860 | { | |
1861 | unsigned long magic; | |
1862 | unsigned long nfat_arch; | |
1863 | mach_o_fat_archentry *archentries; | |
1864 | } mach_o_fat_data_struct; | |
1865 | ||
1866 | const bfd_target * | |
1867 | bfd_mach_o_archive_p (abfd) | |
1868 | bfd *abfd; | |
1869 | { | |
e84d6fca | 1870 | mach_o_fat_data_struct *adata = NULL; |
3af9a47b NC |
1871 | unsigned char buf[20]; |
1872 | unsigned long i; | |
1873 | ||
1874 | bfd_seek (abfd, 0, SEEK_SET); | |
1875 | if (bfd_bread ((PTR) buf, 8, abfd) != 8) | |
e84d6fca | 1876 | goto error; |
3af9a47b | 1877 | |
a95a4550 | 1878 | adata = (mach_o_fat_data_struct *) |
3af9a47b NC |
1879 | bfd_alloc (abfd, sizeof (mach_o_fat_data_struct)); |
1880 | if (adata == NULL) | |
e84d6fca | 1881 | goto error; |
a95a4550 | 1882 | |
3af9a47b NC |
1883 | adata->magic = bfd_getb32 (buf); |
1884 | adata->nfat_arch = bfd_getb32 (buf + 4); | |
1885 | if (adata->magic != 0xcafebabe) | |
e84d6fca | 1886 | goto error; |
3af9a47b | 1887 | |
a95a4550 | 1888 | adata->archentries = (mach_o_fat_archentry *) |
3af9a47b NC |
1889 | bfd_alloc (abfd, adata->nfat_arch * sizeof (mach_o_fat_archentry)); |
1890 | if (adata->archentries == NULL) | |
e84d6fca | 1891 | goto error; |
3af9a47b NC |
1892 | |
1893 | for (i = 0; i < adata->nfat_arch; i++) | |
1894 | { | |
1895 | bfd_seek (abfd, 8 + 20 * i, SEEK_SET); | |
1896 | ||
1897 | if (bfd_bread ((PTR) buf, 20, abfd) != 20) | |
e84d6fca | 1898 | goto error; |
3af9a47b NC |
1899 | adata->archentries[i].cputype = bfd_getb32 (buf); |
1900 | adata->archentries[i].cpusubtype = bfd_getb32 (buf + 4); | |
1901 | adata->archentries[i].offset = bfd_getb32 (buf + 8); | |
1902 | adata->archentries[i].size = bfd_getb32 (buf + 12); | |
1903 | adata->archentries[i].align = bfd_getb32 (buf + 16); | |
1904 | adata->archentries[i].abfd = NULL; | |
1905 | } | |
1906 | ||
1907 | abfd->tdata.mach_o_fat_data = adata; | |
1908 | return abfd->xvec; | |
e84d6fca AM |
1909 | |
1910 | error: | |
1911 | if (adata != NULL) | |
1912 | bfd_release (abfd, adata); | |
1913 | bfd_set_error (bfd_error_wrong_format); | |
1914 | return NULL; | |
3af9a47b NC |
1915 | } |
1916 | ||
1917 | bfd * | |
1918 | bfd_mach_o_openr_next_archived_file (archive, prev) | |
1919 | bfd *archive; | |
1920 | bfd *prev; | |
1921 | { | |
e84d6fca | 1922 | mach_o_fat_data_struct *adata; |
3af9a47b NC |
1923 | mach_o_fat_archentry *entry = NULL; |
1924 | unsigned long i; | |
1925 | ||
e84d6fca | 1926 | adata = (mach_o_fat_data_struct *) archive->tdata.mach_o_fat_data; |
3af9a47b NC |
1927 | BFD_ASSERT (adata != NULL); |
1928 | ||
1929 | /* Find index of previous entry. */ | |
1930 | if (prev == NULL) | |
1931 | i = 0; /* Start at first one. */ | |
1932 | else | |
1933 | { | |
1934 | for (i = 0; i < adata->nfat_arch; i++) | |
1935 | { | |
1936 | if (adata->archentries[i].abfd == prev) | |
1937 | break; | |
1938 | } | |
1939 | ||
1940 | if (i == adata->nfat_arch) | |
1941 | { | |
1942 | /* Not found. */ | |
1943 | bfd_set_error (bfd_error_bad_value); | |
a95a4550 | 1944 | return NULL; |
3af9a47b NC |
1945 | } |
1946 | i++; /* Get next entry. */ | |
1947 | } | |
a95a4550 | 1948 | |
3af9a47b NC |
1949 | if (i >= adata->nfat_arch) |
1950 | { | |
1951 | bfd_set_error (bfd_error_no_more_archived_files); | |
1952 | return NULL; | |
1953 | } | |
1954 | ||
1955 | entry = &adata->archentries[i]; | |
1956 | if (entry->abfd == NULL) | |
1957 | { | |
1958 | bfd *nbfd = _bfd_new_bfd_contained_in (archive); | |
1959 | char *s = NULL; | |
1960 | ||
1961 | if (nbfd == NULL) | |
1962 | return NULL; | |
1963 | ||
1964 | nbfd->origin = entry->offset; | |
1965 | s = bfd_malloc (strlen (archive->filename) + 1); | |
1966 | if (s == NULL) | |
1967 | return NULL; | |
1968 | strcpy (s, archive->filename); | |
1969 | nbfd->filename = s; | |
1970 | nbfd->iostream = NULL; | |
1971 | entry->abfd = nbfd; | |
1972 | } | |
1973 | ||
1974 | return entry->abfd; | |
1975 | } | |
1976 | ||
e84d6fca AM |
1977 | int |
1978 | bfd_mach_o_lookup_section (abfd, section, mcommand, msection) | |
1979 | bfd *abfd; | |
1980 | asection *section; | |
1981 | bfd_mach_o_load_command **mcommand; | |
1982 | bfd_mach_o_section **msection; | |
3af9a47b NC |
1983 | { |
1984 | struct mach_o_data_struct *md = abfd->tdata.mach_o_data; | |
1985 | unsigned int i, j, num; | |
1986 | ||
1987 | bfd_mach_o_load_command *ncmd = NULL; | |
1988 | bfd_mach_o_section *nsect = NULL; | |
1989 | ||
1990 | BFD_ASSERT (mcommand != NULL); | |
1991 | BFD_ASSERT (msection != NULL); | |
1992 | ||
1993 | num = 0; | |
1994 | for (i = 0; i < md->header.ncmds; i++) | |
1995 | { | |
1996 | struct bfd_mach_o_load_command *cmd = &md->commands[i]; | |
1997 | struct bfd_mach_o_segment_command *seg = NULL; | |
1998 | ||
1999 | if (cmd->type != BFD_MACH_O_LC_SEGMENT) | |
2000 | continue; | |
2001 | seg = &cmd->command.segment; | |
a95a4550 | 2002 | |
3af9a47b NC |
2003 | if (seg->segment == section) |
2004 | { | |
2005 | if (num == 0) | |
2006 | ncmd = cmd; | |
2007 | num++; | |
2008 | } | |
2009 | ||
2010 | for (j = 0; j < seg->nsects; j++) | |
2011 | { | |
2012 | struct bfd_mach_o_section *sect = &seg->sections[j]; | |
2013 | ||
2014 | if (sect->bfdsection == section) | |
2015 | { | |
2016 | if (num == 0) | |
2017 | nsect = sect; | |
2018 | num++; | |
2019 | } | |
2020 | } | |
2021 | } | |
a95a4550 | 2022 | |
3af9a47b NC |
2023 | *mcommand = ncmd; |
2024 | *msection = nsect; | |
2025 | return num; | |
2026 | } | |
2027 | ||
2028 | int | |
e84d6fca AM |
2029 | bfd_mach_o_lookup_command (abfd, type, mcommand) |
2030 | bfd *abfd; | |
2031 | bfd_mach_o_load_command_type type; | |
2032 | bfd_mach_o_load_command **mcommand; | |
3af9a47b NC |
2033 | { |
2034 | struct mach_o_data_struct *md = NULL; | |
2035 | bfd_mach_o_load_command *ncmd = NULL; | |
2036 | unsigned int i, num; | |
2037 | ||
2038 | md = abfd->tdata.mach_o_data; | |
2039 | ||
2040 | BFD_ASSERT (md != NULL); | |
2041 | BFD_ASSERT (mcommand != NULL); | |
2042 | ||
2043 | num = 0; | |
2044 | for (i = 0; i < md->header.ncmds; i++) | |
2045 | { | |
2046 | struct bfd_mach_o_load_command *cmd = &md->commands[i]; | |
2047 | ||
2048 | if (cmd->type != type) | |
2049 | continue; | |
2050 | ||
2051 | if (num == 0) | |
2052 | ncmd = cmd; | |
2053 | num++; | |
2054 | } | |
2055 | ||
2056 | *mcommand = ncmd; | |
2057 | return num; | |
2058 | } | |
2059 | ||
2060 | unsigned long | |
2061 | bfd_mach_o_stack_addr (type) | |
2062 | enum bfd_mach_o_cpu_type type; | |
2063 | { | |
2064 | switch (type) | |
2065 | { | |
2066 | case BFD_MACH_O_CPU_TYPE_MC680x0: | |
2067 | return 0x04000000; | |
2068 | case BFD_MACH_O_CPU_TYPE_MC88000: | |
2069 | return 0xffffe000; | |
2070 | case BFD_MACH_O_CPU_TYPE_POWERPC: | |
2071 | return 0xc0000000; | |
2072 | case BFD_MACH_O_CPU_TYPE_I386: | |
2073 | return 0xc0000000; | |
2074 | case BFD_MACH_O_CPU_TYPE_SPARC: | |
2075 | return 0xf0000000; | |
2076 | case BFD_MACH_O_CPU_TYPE_I860: | |
2077 | return 0; | |
2078 | case BFD_MACH_O_CPU_TYPE_HPPA: | |
e84d6fca | 2079 | return 0xc0000000 - 0x04000000; |
3af9a47b NC |
2080 | default: |
2081 | return 0; | |
2082 | } | |
2083 | } | |
2084 | ||
2085 | int | |
2086 | bfd_mach_o_core_fetch_environment (abfd, rbuf, rlen) | |
2087 | bfd *abfd; | |
2088 | unsigned char **rbuf; | |
2089 | unsigned int *rlen; | |
2090 | { | |
2091 | bfd_mach_o_data_struct *mdata = abfd->tdata.mach_o_data; | |
2092 | unsigned long stackaddr = bfd_mach_o_stack_addr (mdata->header.cputype); | |
2093 | unsigned int i = 0; | |
2094 | ||
2095 | for (i = 0; i < mdata->header.ncmds; i++) | |
2096 | { | |
2097 | bfd_mach_o_load_command *cur = &mdata->commands[i]; | |
2098 | bfd_mach_o_segment_command *seg = NULL; | |
2099 | ||
2100 | if (cur->type != BFD_MACH_O_LC_SEGMENT) | |
2101 | continue; | |
2102 | ||
2103 | seg = &cur->command.segment; | |
2104 | ||
2105 | if ((seg->vmaddr + seg->vmsize) == stackaddr) | |
2106 | { | |
2107 | unsigned long start = seg->fileoff; | |
2108 | unsigned long end = seg->fileoff + seg->filesize; | |
2109 | unsigned char *buf = bfd_malloc (1024); | |
2110 | unsigned long size = 1024; | |
2111 | ||
2112 | for (;;) | |
2113 | { | |
2114 | bfd_size_type nread = 0; | |
2115 | unsigned long offset; | |
2116 | int found_nonnull = 0; | |
2117 | ||
2118 | if (size > (end - start)) | |
2119 | size = (end - start); | |
2120 | ||
2121 | buf = bfd_realloc (buf, size); | |
2122 | ||
2123 | bfd_seek (abfd, end - size, SEEK_SET); | |
2124 | nread = bfd_bread (buf, size, abfd); | |
a95a4550 | 2125 | |
3af9a47b NC |
2126 | if (nread != size) |
2127 | return -1; | |
a95a4550 | 2128 | |
3af9a47b NC |
2129 | for (offset = 4; offset <= size; offset += 4) |
2130 | { | |
e84d6fca | 2131 | unsigned long val; |
3af9a47b | 2132 | |
e84d6fca | 2133 | val = *((unsigned long *) (buf + size - offset)); |
3af9a47b NC |
2134 | if (! found_nonnull) |
2135 | { | |
2136 | if (val != 0) | |
2137 | found_nonnull = 1; | |
2138 | } | |
2139 | else if (val == 0x0) | |
2140 | { | |
e84d6fca AM |
2141 | unsigned long bottom; |
2142 | unsigned long top; | |
3af9a47b | 2143 | |
e84d6fca AM |
2144 | bottom = seg->fileoff + seg->filesize - offset; |
2145 | top = seg->fileoff + seg->filesize - 4; | |
3af9a47b NC |
2146 | *rbuf = bfd_malloc (top - bottom); |
2147 | *rlen = top - bottom; | |
2148 | ||
2149 | memcpy (*rbuf, buf + size - *rlen, *rlen); | |
2150 | return 0; | |
2151 | } | |
2152 | } | |
2153 | ||
2154 | if (size == (end - start)) | |
2155 | break; | |
2156 | ||
2157 | size *= 2; | |
2158 | } | |
2159 | } | |
2160 | } | |
2161 | ||
2162 | return -1; | |
2163 | } | |
2164 | ||
2165 | char * | |
2166 | bfd_mach_o_core_file_failing_command (abfd) | |
2167 | bfd *abfd; | |
2168 | { | |
2169 | unsigned char *buf = NULL; | |
2170 | unsigned int len = 0; | |
2171 | int ret = -1; | |
2172 | ||
2173 | ret = bfd_mach_o_core_fetch_environment (abfd, &buf, &len); | |
2174 | if (ret < 0) | |
2175 | return NULL; | |
2176 | ||
2177 | return buf; | |
2178 | } | |
2179 | ||
2180 | int | |
2181 | bfd_mach_o_core_file_failing_signal (abfd) | |
2182 | bfd *abfd ATTRIBUTE_UNUSED; | |
2183 | { | |
2184 | return 0; | |
2185 | } | |
2186 | ||
b34976b6 | 2187 | bfd_boolean |
3af9a47b NC |
2188 | bfd_mach_o_core_file_matches_executable_p (core_bfd, exec_bfd) |
2189 | bfd *core_bfd ATTRIBUTE_UNUSED; | |
2190 | bfd *exec_bfd ATTRIBUTE_UNUSED; | |
2191 | { | |
b34976b6 | 2192 | return TRUE; |
3af9a47b NC |
2193 | } |
2194 | ||
2195 | #define TARGET_NAME mach_o_be_vec | |
2196 | #define TARGET_STRING "mach-o-be" | |
2197 | #define TARGET_BIG_ENDIAN 1 | |
2198 | #define TARGET_ARCHIVE 0 | |
2199 | ||
2200 | #include "mach-o-target.c" | |
2201 | ||
2202 | #undef TARGET_NAME | |
2203 | #undef TARGET_STRING | |
2204 | #undef TARGET_BIG_ENDIAN | |
2205 | #undef TARGET_ARCHIVE | |
2206 | ||
2207 | #define TARGET_NAME mach_o_le_vec | |
2208 | #define TARGET_STRING "mach-o-le" | |
2209 | #define TARGET_BIG_ENDIAN 0 | |
2210 | #define TARGET_ARCHIVE 0 | |
2211 | ||
2212 | #include "mach-o-target.c" | |
2213 | ||
2214 | #undef TARGET_NAME | |
2215 | #undef TARGET_STRING | |
2216 | #undef TARGET_BIG_ENDIAN | |
2217 | #undef TARGET_ARCHIVE | |
2218 | ||
2219 | #define TARGET_NAME mach_o_fat_vec | |
2220 | #define TARGET_STRING "mach-o-fat" | |
2221 | #define TARGET_BIG_ENDIAN 1 | |
2222 | #define TARGET_ARCHIVE 1 | |
2223 | ||
2224 | #include "mach-o-target.c" | |
2225 | ||
2226 | #undef TARGET_NAME | |
2227 | #undef TARGET_STRING | |
2228 | #undef TARGET_BIG_ENDIAN | |
2229 | #undef TARGET_ARCHIVE |