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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 |
082b7297 L |
73 | #define bfd_mach_o_section_already_linked \ |
74 | _bfd_generic_section_already_linked | |
80fccad2 | 75 | #define bfd_mach_o_bfd_copy_private_header_data _bfd_generic_bfd_copy_private_header_data |
3af9a47b | 76 | |
b34976b6 AM |
77 | static bfd_boolean bfd_mach_o_bfd_copy_private_symbol_data |
78 | PARAMS ((bfd *, asymbol *, bfd *, asymbol *)); | |
79 | static bfd_boolean bfd_mach_o_bfd_copy_private_section_data | |
80 | PARAMS ((bfd *, asection *, bfd *, asection *)); | |
81 | static bfd_boolean bfd_mach_o_bfd_copy_private_bfd_data | |
82 | PARAMS ((bfd *, bfd *)); | |
83 | static long bfd_mach_o_count_symbols | |
84 | PARAMS ((bfd *)); | |
85 | static long bfd_mach_o_get_symtab_upper_bound | |
86 | PARAMS ((bfd *)); | |
6cee3f79 | 87 | static long bfd_mach_o_canonicalize_symtab |
b34976b6 AM |
88 | PARAMS ((bfd *, asymbol **)); |
89 | static void bfd_mach_o_get_symbol_info | |
90 | PARAMS ((bfd *, asymbol *, symbol_info *)); | |
91 | static void bfd_mach_o_print_symbol | |
92 | PARAMS ((bfd *, PTR, asymbol *, bfd_print_symbol_type)); | |
93 | static void bfd_mach_o_convert_architecture | |
94 | PARAMS ((bfd_mach_o_cpu_type, bfd_mach_o_cpu_subtype, | |
95 | enum bfd_architecture *, unsigned long *)); | |
96 | static bfd_boolean bfd_mach_o_write_contents | |
97 | PARAMS ((bfd *)); | |
98 | static int bfd_mach_o_sizeof_headers | |
99 | PARAMS ((bfd *, bfd_boolean)); | |
100 | static asymbol * bfd_mach_o_make_empty_symbol | |
101 | PARAMS ((bfd *)); | |
102 | static int bfd_mach_o_write_header | |
103 | PARAMS ((bfd *, bfd_mach_o_header *)); | |
104 | static int bfd_mach_o_read_header | |
105 | PARAMS ((bfd *, bfd_mach_o_header *)); | |
106 | static asection * bfd_mach_o_make_bfd_section | |
107 | PARAMS ((bfd *, bfd_mach_o_section *)); | |
108 | static int bfd_mach_o_scan_read_section | |
109 | PARAMS ((bfd *, bfd_mach_o_section *, bfd_vma)); | |
110 | static int bfd_mach_o_scan_write_section | |
111 | PARAMS ((bfd *, bfd_mach_o_section *, bfd_vma)); | |
112 | static int bfd_mach_o_scan_write_symtab_symbols | |
113 | PARAMS ((bfd *, bfd_mach_o_load_command *)); | |
114 | static int bfd_mach_o_scan_write_thread | |
115 | PARAMS ((bfd *, bfd_mach_o_load_command *)); | |
116 | static int bfd_mach_o_scan_read_dylinker | |
117 | PARAMS ((bfd *, bfd_mach_o_load_command *)); | |
118 | static int bfd_mach_o_scan_read_dylib | |
119 | PARAMS ((bfd *, bfd_mach_o_load_command *)); | |
120 | static int bfd_mach_o_scan_read_prebound_dylib | |
121 | PARAMS ((bfd *, bfd_mach_o_load_command *)); | |
122 | static int bfd_mach_o_scan_read_thread | |
123 | PARAMS ((bfd *, bfd_mach_o_load_command *)); | |
124 | static int bfd_mach_o_scan_write_symtab | |
125 | PARAMS ((bfd *, bfd_mach_o_load_command *)); | |
126 | static int bfd_mach_o_scan_read_dysymtab | |
127 | PARAMS ((bfd *, bfd_mach_o_load_command *)); | |
128 | static int bfd_mach_o_scan_read_symtab | |
129 | PARAMS ((bfd *, bfd_mach_o_load_command *)); | |
130 | static int bfd_mach_o_scan_read_segment | |
131 | PARAMS ((bfd *, bfd_mach_o_load_command *)); | |
132 | static int bfd_mach_o_scan_write_segment | |
133 | PARAMS ((bfd *, bfd_mach_o_load_command *)); | |
134 | static int bfd_mach_o_scan_read_command | |
135 | PARAMS ((bfd *, bfd_mach_o_load_command *)); | |
136 | static void bfd_mach_o_flatten_sections | |
137 | PARAMS ((bfd *)); | |
138 | static const char * bfd_mach_o_i386_flavour_string | |
139 | PARAMS ((unsigned int)); | |
140 | static const char * bfd_mach_o_ppc_flavour_string | |
141 | PARAMS ((unsigned int)); | |
3af9a47b NC |
142 | |
143 | /* The flags field of a section structure is separated into two parts a section | |
144 | type and section attributes. The section types are mutually exclusive (it | |
145 | can only have one type) but the section attributes are not (it may have more | |
146 | than one attribute). */ | |
147 | ||
148 | #define SECTION_TYPE 0x000000ff /* 256 section types. */ | |
149 | #define SECTION_ATTRIBUTES 0xffffff00 /* 24 section attributes. */ | |
150 | ||
151 | /* Constants for the section attributes part of the flags field of a section | |
152 | structure. */ | |
153 | ||
154 | #define SECTION_ATTRIBUTES_USR 0xff000000 /* User-settable attributes. */ | |
155 | #define S_ATTR_PURE_INSTRUCTIONS 0x80000000 /* Section contains only true machine instructions. */ | |
156 | #define SECTION_ATTRIBUTES_SYS 0x00ffff00 /* System setable attributes. */ | |
157 | #define S_ATTR_SOME_INSTRUCTIONS 0x00000400 /* Section contains some machine instructions. */ | |
158 | #define S_ATTR_EXT_RELOC 0x00000200 /* Section has external relocation entries. */ | |
159 | #define S_ATTR_LOC_RELOC 0x00000100 /* Section has local relocation entries. */ | |
160 | ||
161 | #define N_STAB 0xe0 | |
162 | #define N_TYPE 0x1e | |
163 | #define N_EXT 0x01 | |
164 | #define N_UNDF 0x0 | |
165 | #define N_ABS 0x2 | |
166 | #define N_SECT 0xe | |
167 | #define N_INDR 0xa | |
168 | ||
b34976b6 | 169 | bfd_boolean |
3af9a47b NC |
170 | bfd_mach_o_valid (abfd) |
171 | bfd *abfd; | |
172 | { | |
173 | if (abfd == NULL || abfd->xvec == NULL) | |
174 | return 0; | |
175 | ||
176 | if (! ((abfd->xvec == &mach_o_be_vec) | |
177 | || (abfd->xvec == &mach_o_le_vec) | |
178 | || (abfd->xvec == &mach_o_fat_vec))) | |
179 | return 0; | |
180 | ||
181 | if (abfd->tdata.mach_o_data == NULL) | |
182 | return 0; | |
183 | return 1; | |
184 | } | |
185 | ||
186 | /* Copy any private info we understand from the input symbol | |
187 | to the output symbol. */ | |
188 | ||
b34976b6 | 189 | static bfd_boolean |
3af9a47b NC |
190 | bfd_mach_o_bfd_copy_private_symbol_data (ibfd, isymbol, obfd, osymbol) |
191 | bfd *ibfd ATTRIBUTE_UNUSED; | |
192 | asymbol *isymbol ATTRIBUTE_UNUSED; | |
193 | bfd *obfd ATTRIBUTE_UNUSED; | |
194 | asymbol *osymbol ATTRIBUTE_UNUSED; | |
195 | { | |
b34976b6 | 196 | return TRUE; |
3af9a47b NC |
197 | } |
198 | ||
199 | /* Copy any private info we understand from the input section | |
200 | to the output section. */ | |
201 | ||
b34976b6 | 202 | static bfd_boolean |
3af9a47b NC |
203 | bfd_mach_o_bfd_copy_private_section_data (ibfd, isection, obfd, osection) |
204 | bfd *ibfd ATTRIBUTE_UNUSED; | |
205 | asection *isection ATTRIBUTE_UNUSED; | |
206 | bfd *obfd ATTRIBUTE_UNUSED; | |
207 | asection *osection ATTRIBUTE_UNUSED; | |
208 | { | |
b34976b6 | 209 | return TRUE; |
3af9a47b NC |
210 | } |
211 | ||
212 | /* Copy any private info we understand from the input bfd | |
213 | to the output bfd. */ | |
214 | ||
b34976b6 | 215 | static bfd_boolean |
3af9a47b NC |
216 | bfd_mach_o_bfd_copy_private_bfd_data (ibfd, obfd) |
217 | bfd *ibfd; | |
218 | bfd *obfd; | |
219 | { | |
220 | BFD_ASSERT (bfd_mach_o_valid (ibfd)); | |
221 | BFD_ASSERT (bfd_mach_o_valid (obfd)); | |
222 | ||
223 | obfd->tdata.mach_o_data = ibfd->tdata.mach_o_data; | |
224 | obfd->tdata.mach_o_data->ibfd = ibfd; | |
b34976b6 | 225 | return TRUE; |
3af9a47b NC |
226 | } |
227 | ||
228 | static long | |
229 | bfd_mach_o_count_symbols (abfd) | |
230 | bfd *abfd; | |
231 | { | |
232 | bfd_mach_o_data_struct *mdata = NULL; | |
233 | long nsyms = 0; | |
234 | unsigned long i; | |
a95a4550 | 235 | |
3af9a47b NC |
236 | BFD_ASSERT (bfd_mach_o_valid (abfd)); |
237 | mdata = abfd->tdata.mach_o_data; | |
238 | ||
239 | for (i = 0; i < mdata->header.ncmds; i++) | |
240 | if (mdata->commands[i].type == BFD_MACH_O_LC_SYMTAB) | |
241 | { | |
242 | bfd_mach_o_symtab_command *sym = &mdata->commands[i].command.symtab; | |
243 | nsyms += sym->nsyms; | |
244 | } | |
245 | ||
246 | return nsyms; | |
247 | } | |
248 | ||
249 | static long | |
250 | bfd_mach_o_get_symtab_upper_bound (abfd) | |
251 | bfd *abfd; | |
252 | { | |
253 | long nsyms = bfd_mach_o_count_symbols (abfd); | |
254 | ||
255 | if (nsyms < 0) | |
256 | return nsyms; | |
257 | ||
258 | return ((nsyms + 1) * sizeof (asymbol *)); | |
259 | } | |
260 | ||
261 | static long | |
6cee3f79 | 262 | bfd_mach_o_canonicalize_symtab (abfd, alocation) |
3af9a47b NC |
263 | bfd *abfd; |
264 | asymbol **alocation; | |
265 | { | |
266 | bfd_mach_o_data_struct *mdata = abfd->tdata.mach_o_data; | |
267 | long nsyms = bfd_mach_o_count_symbols (abfd); | |
268 | asymbol **csym = alocation; | |
269 | unsigned long i, j; | |
270 | ||
271 | if (nsyms < 0) | |
272 | return nsyms; | |
273 | ||
274 | for (i = 0; i < mdata->header.ncmds; i++) | |
275 | { | |
276 | if (mdata->commands[i].type == BFD_MACH_O_LC_SYMTAB) | |
277 | { | |
278 | bfd_mach_o_symtab_command *sym = &mdata->commands[i].command.symtab; | |
279 | ||
280 | if (bfd_mach_o_scan_read_symtab_symbols (abfd, &mdata->commands[i].command.symtab) != 0) | |
281 | { | |
6cee3f79 | 282 | fprintf (stderr, "bfd_mach_o_canonicalize_symtab: unable to load symbols for section %lu\n", i); |
3af9a47b NC |
283 | return 0; |
284 | } | |
285 | ||
286 | BFD_ASSERT (sym->symbols != NULL); | |
287 | ||
288 | for (j = 0; j < sym->nsyms; j++) | |
289 | { | |
290 | BFD_ASSERT (csym < (alocation + nsyms)); | |
291 | *csym++ = &sym->symbols[j]; | |
292 | } | |
293 | } | |
294 | } | |
295 | ||
296 | *csym++ = NULL; | |
a95a4550 | 297 | |
3af9a47b NC |
298 | return nsyms; |
299 | } | |
300 | ||
301 | static void | |
302 | bfd_mach_o_get_symbol_info (abfd, symbol, ret) | |
303 | bfd *abfd ATTRIBUTE_UNUSED; | |
304 | asymbol *symbol; | |
305 | symbol_info *ret; | |
306 | { | |
307 | bfd_symbol_info (symbol, ret); | |
308 | } | |
309 | ||
310 | static void | |
311 | bfd_mach_o_print_symbol (abfd, afile, symbol, how) | |
312 | bfd *abfd; | |
313 | PTR afile; | |
314 | asymbol *symbol; | |
315 | bfd_print_symbol_type how; | |
316 | { | |
317 | FILE *file = (FILE *) afile; | |
318 | ||
319 | switch (how) | |
320 | { | |
321 | case bfd_print_symbol_name: | |
322 | fprintf (file, "%s", symbol->name); | |
323 | break; | |
324 | default: | |
325 | bfd_print_symbol_vandf (abfd, (PTR) file, symbol); | |
326 | fprintf (file, " %-5s %s", symbol->section->name, symbol->name); | |
327 | } | |
328 | } | |
329 | ||
330 | static void | |
331 | bfd_mach_o_convert_architecture (mtype, msubtype, type, subtype) | |
332 | bfd_mach_o_cpu_type mtype; | |
333 | bfd_mach_o_cpu_subtype msubtype ATTRIBUTE_UNUSED; | |
334 | enum bfd_architecture *type; | |
335 | unsigned long *subtype; | |
336 | { | |
337 | *subtype = bfd_arch_unknown; | |
338 | ||
339 | switch (mtype) | |
340 | { | |
341 | case BFD_MACH_O_CPU_TYPE_VAX: *type = bfd_arch_vax; break; | |
342 | case BFD_MACH_O_CPU_TYPE_MC680x0: *type = bfd_arch_m68k; break; | |
343 | case BFD_MACH_O_CPU_TYPE_I386: *type = bfd_arch_i386; break; | |
344 | case BFD_MACH_O_CPU_TYPE_MIPS: *type = bfd_arch_mips; break; | |
345 | case BFD_MACH_O_CPU_TYPE_MC98000: *type = bfd_arch_m98k; break; | |
346 | case BFD_MACH_O_CPU_TYPE_HPPA: *type = bfd_arch_hppa; break; | |
347 | case BFD_MACH_O_CPU_TYPE_ARM: *type = bfd_arch_arm; break; | |
348 | case BFD_MACH_O_CPU_TYPE_MC88000: *type = bfd_arch_m88k; break; | |
349 | case BFD_MACH_O_CPU_TYPE_SPARC: *type = bfd_arch_sparc; break; | |
350 | case BFD_MACH_O_CPU_TYPE_I860: *type = bfd_arch_i860; break; | |
351 | case BFD_MACH_O_CPU_TYPE_ALPHA: *type = bfd_arch_alpha; break; | |
352 | case BFD_MACH_O_CPU_TYPE_POWERPC: *type = bfd_arch_powerpc; break; | |
353 | default: *type = bfd_arch_unknown; break; | |
354 | } | |
355 | ||
356 | switch (*type) | |
357 | { | |
358 | case bfd_arch_i386: *subtype = bfd_mach_i386_i386; break; | |
359 | case bfd_arch_sparc: *subtype = bfd_mach_sparc; break; | |
360 | default: | |
361 | *subtype = bfd_arch_unknown; | |
362 | } | |
363 | } | |
a95a4550 | 364 | |
b34976b6 | 365 | static bfd_boolean |
3af9a47b NC |
366 | bfd_mach_o_write_contents (abfd) |
367 | bfd *abfd; | |
368 | { | |
369 | unsigned int i; | |
370 | asection *s; | |
371 | ||
372 | bfd_mach_o_data_struct *mdata = abfd->tdata.mach_o_data; | |
373 | ||
374 | /* Write data sections first in case they overlap header data to be | |
375 | written later. */ | |
376 | ||
377 | for (s = abfd->sections; s != (asection *) NULL; s = s->next) | |
378 | ; | |
379 | ||
380 | #if 0 | |
381 | for (i = 0; i < mdata->header.ncmds; i++) | |
382 | { | |
383 | bfd_mach_o_load_command *cur = &mdata->commands[i]; | |
384 | if (cur->type != BFD_MACH_O_LC_SEGMENT) | |
385 | break; | |
386 | ||
387 | { | |
388 | bfd_mach_o_segment_command *seg = &cur->command.segment; | |
389 | char buf[1024]; | |
390 | bfd_vma nbytes = seg->filesize; | |
391 | bfd_vma curoff = seg->fileoff; | |
392 | ||
393 | while (nbytes > 0) | |
394 | { | |
395 | bfd_vma thisread = nbytes; | |
396 | ||
397 | if (thisread > 1024) | |
398 | thisread = 1024; | |
399 | ||
400 | bfd_seek (abfd, curoff, SEEK_SET); | |
401 | if (bfd_bread ((PTR) buf, thisread, abfd) != thisread) | |
b34976b6 | 402 | return FALSE; |
3af9a47b NC |
403 | |
404 | bfd_seek (abfd, curoff, SEEK_SET); | |
405 | if (bfd_bwrite ((PTR) buf, thisread, abfd) != thisread) | |
b34976b6 | 406 | return FALSE; |
3af9a47b NC |
407 | |
408 | nbytes -= thisread; | |
409 | curoff += thisread; | |
410 | } | |
411 | } | |
412 | } | |
413 | #endif | |
414 | ||
415 | /* Now write header information. */ | |
416 | if (bfd_mach_o_write_header (abfd, &mdata->header) != 0) | |
b34976b6 | 417 | return FALSE; |
3af9a47b NC |
418 | |
419 | for (i = 0; i < mdata->header.ncmds; i++) | |
420 | { | |
421 | unsigned char buf[8]; | |
422 | bfd_mach_o_load_command *cur = &mdata->commands[i]; | |
423 | unsigned long typeflag; | |
424 | ||
425 | typeflag = cur->type_required ? cur->type & BFD_MACH_O_LC_REQ_DYLD : cur->type; | |
426 | ||
427 | bfd_h_put_32 (abfd, typeflag, buf); | |
428 | bfd_h_put_32 (abfd, cur->len, buf + 4); | |
429 | ||
430 | bfd_seek (abfd, cur->offset, SEEK_SET); | |
431 | if (bfd_bwrite ((PTR) buf, 8, abfd) != 8) | |
b34976b6 | 432 | return FALSE; |
3af9a47b NC |
433 | |
434 | switch (cur->type) | |
435 | { | |
436 | case BFD_MACH_O_LC_SEGMENT: | |
437 | if (bfd_mach_o_scan_write_segment (abfd, cur) != 0) | |
b34976b6 | 438 | return FALSE; |
3af9a47b NC |
439 | break; |
440 | case BFD_MACH_O_LC_SYMTAB: | |
441 | if (bfd_mach_o_scan_write_symtab (abfd, cur) != 0) | |
b34976b6 | 442 | return FALSE; |
3af9a47b NC |
443 | break; |
444 | case BFD_MACH_O_LC_SYMSEG: | |
445 | break; | |
446 | case BFD_MACH_O_LC_THREAD: | |
447 | case BFD_MACH_O_LC_UNIXTHREAD: | |
448 | if (bfd_mach_o_scan_write_thread (abfd, cur) != 0) | |
b34976b6 | 449 | return FALSE; |
3af9a47b NC |
450 | break; |
451 | case BFD_MACH_O_LC_LOADFVMLIB: | |
452 | case BFD_MACH_O_LC_IDFVMLIB: | |
453 | case BFD_MACH_O_LC_IDENT: | |
454 | case BFD_MACH_O_LC_FVMFILE: | |
455 | case BFD_MACH_O_LC_PREPAGE: | |
456 | case BFD_MACH_O_LC_DYSYMTAB: | |
457 | case BFD_MACH_O_LC_LOAD_DYLIB: | |
458 | case BFD_MACH_O_LC_LOAD_WEAK_DYLIB: | |
459 | case BFD_MACH_O_LC_ID_DYLIB: | |
460 | case BFD_MACH_O_LC_LOAD_DYLINKER: | |
461 | case BFD_MACH_O_LC_ID_DYLINKER: | |
462 | case BFD_MACH_O_LC_PREBOUND_DYLIB: | |
463 | case BFD_MACH_O_LC_ROUTINES: | |
464 | case BFD_MACH_O_LC_SUB_FRAMEWORK: | |
465 | break; | |
466 | default: | |
467 | fprintf (stderr, | |
468 | "unable to write unknown load command 0x%lx\n", | |
469 | (long) cur->type); | |
b34976b6 | 470 | return FALSE; |
3af9a47b NC |
471 | } |
472 | } | |
473 | ||
b34976b6 | 474 | return TRUE; |
3af9a47b NC |
475 | } |
476 | ||
477 | static int | |
478 | bfd_mach_o_sizeof_headers (a, b) | |
479 | bfd *a ATTRIBUTE_UNUSED; | |
b34976b6 | 480 | bfd_boolean b ATTRIBUTE_UNUSED; |
3af9a47b NC |
481 | { |
482 | return 0; | |
483 | } | |
484 | ||
485 | /* Make an empty symbol. This is required only because | |
486 | bfd_make_section_anyway wants to create a symbol for the section. */ | |
487 | ||
488 | static asymbol * | |
489 | bfd_mach_o_make_empty_symbol (abfd) | |
490 | bfd *abfd; | |
491 | { | |
492 | asymbol *new; | |
493 | ||
494 | new = (asymbol *) bfd_zalloc (abfd, sizeof (asymbol)); | |
495 | if (new == NULL) | |
496 | return new; | |
497 | new->the_bfd = abfd; | |
498 | return new; | |
499 | } | |
500 | ||
501 | static int | |
502 | bfd_mach_o_write_header (abfd, header) | |
503 | bfd *abfd; | |
504 | bfd_mach_o_header *header; | |
505 | { | |
506 | unsigned char buf[28]; | |
507 | ||
508 | bfd_h_put_32 (abfd, header->magic, buf + 0); | |
509 | bfd_h_put_32 (abfd, header->cputype, buf + 4); | |
510 | bfd_h_put_32 (abfd, header->cpusubtype, buf + 8); | |
511 | bfd_h_put_32 (abfd, header->filetype, buf + 12); | |
512 | bfd_h_put_32 (abfd, header->ncmds, buf + 16); | |
513 | bfd_h_put_32 (abfd, header->sizeofcmds, buf + 20); | |
514 | bfd_h_put_32 (abfd, header->flags, buf + 24); | |
a95a4550 | 515 | |
3af9a47b NC |
516 | bfd_seek (abfd, 0, SEEK_SET); |
517 | if (bfd_bwrite ((PTR) buf, 28, abfd) != 28) | |
518 | return -1; | |
519 | ||
520 | return 0; | |
521 | } | |
522 | ||
523 | static int | |
524 | bfd_mach_o_read_header (abfd, header) | |
525 | bfd *abfd; | |
526 | bfd_mach_o_header *header; | |
527 | { | |
528 | unsigned char buf[28]; | |
edeb6e24 | 529 | bfd_vma (*get32) (const void *) = NULL; |
3af9a47b NC |
530 | |
531 | bfd_seek (abfd, 0, SEEK_SET); | |
532 | ||
533 | if (bfd_bread ((PTR) buf, 28, abfd) != 28) | |
534 | return -1; | |
535 | ||
536 | if (bfd_getb32 (buf) == 0xfeedface) | |
537 | { | |
538 | header->byteorder = BFD_ENDIAN_BIG; | |
539 | header->magic = 0xfeedface; | |
540 | get32 = bfd_getb32; | |
541 | } | |
542 | else if (bfd_getl32 (buf) == 0xfeedface) | |
543 | { | |
a95a4550 | 544 | header->byteorder = BFD_ENDIAN_LITTLE; |
3af9a47b NC |
545 | header->magic = 0xfeedface; |
546 | get32 = bfd_getl32; | |
547 | } | |
548 | else | |
549 | { | |
550 | header->byteorder = BFD_ENDIAN_UNKNOWN; | |
551 | return -1; | |
552 | } | |
a95a4550 | 553 | |
3af9a47b NC |
554 | header->cputype = (*get32) (buf + 4); |
555 | header->cpusubtype = (*get32) (buf + 8); | |
556 | header->filetype = (*get32) (buf + 12); | |
557 | header->ncmds = (*get32) (buf + 16); | |
558 | header->sizeofcmds = (*get32) (buf + 20); | |
559 | header->flags = (*get32) (buf + 24); | |
560 | ||
561 | return 0; | |
562 | } | |
563 | ||
564 | static asection * | |
565 | bfd_mach_o_make_bfd_section (abfd, section) | |
566 | bfd *abfd; | |
567 | bfd_mach_o_section *section; | |
568 | { | |
569 | asection *bfdsec; | |
570 | char *sname; | |
571 | const char *prefix = "LC_SEGMENT"; | |
572 | unsigned int snamelen; | |
573 | ||
574 | snamelen = strlen (prefix) + 1 | |
575 | + strlen (section->segname) + 1 | |
576 | + strlen (section->sectname) + 1; | |
577 | ||
578 | sname = (char *) bfd_alloc (abfd, snamelen); | |
579 | if (sname == NULL) | |
580 | return NULL; | |
581 | sprintf (sname, "%s.%s.%s", prefix, section->segname, section->sectname); | |
582 | ||
583 | bfdsec = bfd_make_section_anyway (abfd, sname); | |
584 | if (bfdsec == NULL) | |
585 | return NULL; | |
a95a4550 | 586 | |
3af9a47b NC |
587 | bfdsec->vma = section->addr; |
588 | bfdsec->lma = section->addr; | |
eea6121a | 589 | bfdsec->size = section->size; |
3af9a47b NC |
590 | bfdsec->filepos = section->offset; |
591 | bfdsec->alignment_power = section->align; | |
592 | ||
593 | if (section->flags & BFD_MACH_O_S_ZEROFILL) | |
594 | bfdsec->flags = SEC_ALLOC; | |
595 | else | |
596 | bfdsec->flags = SEC_HAS_CONTENTS | SEC_LOAD | SEC_ALLOC | SEC_CODE; | |
597 | ||
598 | return bfdsec; | |
599 | } | |
600 | ||
601 | static int | |
602 | bfd_mach_o_scan_read_section (abfd, section, offset) | |
603 | bfd *abfd; | |
604 | bfd_mach_o_section *section; | |
605 | bfd_vma offset; | |
606 | { | |
607 | unsigned char buf[68]; | |
608 | ||
609 | bfd_seek (abfd, offset, SEEK_SET); | |
610 | if (bfd_bread ((PTR) buf, 68, abfd) != 68) | |
611 | return -1; | |
a95a4550 | 612 | |
3af9a47b NC |
613 | memcpy (section->sectname, buf, 16); |
614 | section->sectname[16] = '\0'; | |
615 | memcpy (section->segname, buf + 16, 16); | |
616 | section->segname[16] = '\0'; | |
617 | section->addr = bfd_h_get_32 (abfd, buf + 32); | |
618 | section->size = bfd_h_get_32 (abfd, buf + 36); | |
619 | section->offset = bfd_h_get_32 (abfd, buf + 40); | |
620 | section->align = bfd_h_get_32 (abfd, buf + 44); | |
621 | section->reloff = bfd_h_get_32 (abfd, buf + 48); | |
622 | section->nreloc = bfd_h_get_32 (abfd, buf + 52); | |
623 | section->flags = bfd_h_get_32 (abfd, buf + 56); | |
624 | section->reserved1 = bfd_h_get_32 (abfd, buf + 60); | |
625 | section->reserved2 = bfd_h_get_32 (abfd, buf + 64); | |
626 | section->bfdsection = bfd_mach_o_make_bfd_section (abfd, section); | |
627 | ||
628 | if (section->bfdsection == NULL) | |
629 | return -1; | |
630 | ||
631 | return 0; | |
632 | } | |
633 | ||
634 | static int | |
635 | bfd_mach_o_scan_write_section (abfd, section, offset) | |
636 | bfd *abfd; | |
637 | bfd_mach_o_section *section; | |
638 | bfd_vma offset; | |
639 | { | |
640 | unsigned char buf[68]; | |
641 | ||
642 | memcpy (buf, section->sectname, 16); | |
643 | memcpy (buf + 16, section->segname, 16); | |
644 | bfd_h_put_32 (abfd, section->addr, buf + 32); | |
645 | bfd_h_put_32 (abfd, section->size, buf + 36); | |
646 | bfd_h_put_32 (abfd, section->offset, buf + 40); | |
647 | bfd_h_put_32 (abfd, section->align, buf + 44); | |
648 | bfd_h_put_32 (abfd, section->reloff, buf + 48); | |
649 | bfd_h_put_32 (abfd, section->nreloc, buf + 52); | |
650 | bfd_h_put_32 (abfd, section->flags, buf + 56); | |
651 | /* bfd_h_put_32 (abfd, section->reserved1, buf + 60); */ | |
652 | /* bfd_h_put_32 (abfd, section->reserved2, buf + 64); */ | |
653 | ||
654 | bfd_seek (abfd, offset, SEEK_SET); | |
655 | if (bfd_bwrite ((PTR) buf, 68, abfd) != 68) | |
656 | return -1; | |
a95a4550 | 657 | |
3af9a47b NC |
658 | return 0; |
659 | } | |
660 | ||
661 | static int | |
662 | bfd_mach_o_scan_write_symtab_symbols (abfd, command) | |
663 | bfd *abfd; | |
664 | bfd_mach_o_load_command *command; | |
665 | { | |
666 | bfd_mach_o_symtab_command *sym = &command->command.symtab; | |
667 | asymbol *s = NULL; | |
668 | unsigned long i; | |
669 | ||
670 | for (i = 0; i < sym->nsyms; i++) | |
671 | { | |
672 | unsigned char buf[12]; | |
673 | bfd_vma symoff = sym->symoff + (i * 12); | |
674 | unsigned char ntype = 0; | |
675 | unsigned char nsect = 0; | |
676 | short ndesc = 0; | |
677 | ||
678 | s = &sym->symbols[i]; | |
679 | ||
680 | /* Don't set this from the symbol information; use stored values. */ | |
a95a4550 | 681 | #if 0 |
3af9a47b NC |
682 | if (s->flags & BSF_GLOBAL) |
683 | ntype |= N_EXT; | |
684 | if (s->flags & BSF_DEBUGGING) | |
685 | ntype |= N_STAB; | |
686 | ||
687 | if (s->section == bfd_und_section_ptr) | |
688 | ntype |= N_UNDF; | |
689 | else if (s->section == bfd_abs_section_ptr) | |
690 | ntype |= N_ABS; | |
691 | else | |
692 | ntype |= N_SECT; | |
693 | #endif | |
a95a4550 | 694 | |
3af9a47b NC |
695 | /* Instead just set from the stored values. */ |
696 | ntype = (s->udata.i >> 24) & 0xff; | |
697 | nsect = (s->udata.i >> 16) & 0xff; | |
698 | ndesc = s->udata.i & 0xffff; | |
699 | ||
700 | bfd_h_put_32 (abfd, s->name - sym->strtab, buf); | |
701 | bfd_h_put_8 (abfd, ntype, buf + 4); | |
702 | bfd_h_put_8 (abfd, nsect, buf + 5); | |
703 | bfd_h_put_16 (abfd, ndesc, buf + 6); | |
704 | bfd_h_put_32 (abfd, s->section->vma + s->value, buf + 8); | |
705 | ||
706 | bfd_seek (abfd, symoff, SEEK_SET); | |
707 | if (bfd_bwrite ((PTR) buf, 12, abfd) != 12) | |
708 | { | |
a95a4550 | 709 | fprintf (stderr, "bfd_mach_o_scan_write_symtab_symbols: unable to write %d bytes at %lu\n", |
3af9a47b | 710 | 12, (unsigned long) symoff); |
a95a4550 | 711 | return -1; |
3af9a47b NC |
712 | } |
713 | } | |
714 | ||
715 | return 0; | |
716 | } | |
717 | ||
718 | int | |
719 | bfd_mach_o_scan_read_symtab_symbol (abfd, sym, s, i) | |
720 | bfd *abfd; | |
721 | bfd_mach_o_symtab_command *sym; | |
722 | asymbol *s; | |
723 | unsigned long i; | |
724 | { | |
725 | bfd_mach_o_data_struct *mdata = abfd->tdata.mach_o_data; | |
726 | bfd_vma symoff = sym->symoff + (i * 12); | |
727 | unsigned char buf[12]; | |
728 | unsigned char type = -1; | |
729 | unsigned char section = -1; | |
730 | short desc = -1; | |
e84d6fca | 731 | unsigned long value = -1; |
3af9a47b NC |
732 | unsigned long stroff = -1; |
733 | unsigned int symtype = -1; | |
734 | ||
735 | BFD_ASSERT (sym->strtab != NULL); | |
736 | ||
737 | bfd_seek (abfd, symoff, SEEK_SET); | |
738 | if (bfd_bread ((PTR) buf, 12, abfd) != 12) | |
739 | { | |
740 | fprintf (stderr, "bfd_mach_o_scan_read_symtab_symbol: unable to read %d bytes at %lu\n", | |
741 | 12, (unsigned long) symoff); | |
742 | return -1; | |
743 | } | |
744 | ||
745 | stroff = bfd_h_get_32 (abfd, buf); | |
746 | type = bfd_h_get_8 (abfd, buf + 4); | |
747 | symtype = (type & 0x0e); | |
748 | section = bfd_h_get_8 (abfd, buf + 5) - 1; | |
749 | desc = bfd_h_get_16 (abfd, buf + 6); | |
750 | value = bfd_h_get_32 (abfd, buf + 8); | |
751 | ||
752 | if (stroff >= sym->strsize) | |
753 | { | |
754 | fprintf (stderr, "bfd_mach_o_scan_read_symtab_symbol: symbol name out of range (%lu >= %lu)\n", | |
755 | (unsigned long) stroff, (unsigned long) sym->strsize); | |
a95a4550 | 756 | return -1; |
3af9a47b NC |
757 | } |
758 | ||
759 | s->the_bfd = abfd; | |
760 | s->name = sym->strtab + stroff; | |
761 | s->value = value; | |
762 | s->udata.i = (type << 24) | (section << 16) | desc; | |
763 | s->flags = 0x0; | |
764 | ||
765 | if (type & BFD_MACH_O_N_STAB) | |
766 | { | |
767 | s->flags |= BSF_DEBUGGING; | |
768 | s->section = bfd_und_section_ptr; | |
769 | } | |
770 | else | |
771 | { | |
772 | if (type & BFD_MACH_O_N_PEXT) | |
773 | { | |
774 | type &= ~BFD_MACH_O_N_PEXT; | |
775 | s->flags |= BSF_GLOBAL; | |
776 | } | |
777 | ||
778 | if (type & BFD_MACH_O_N_EXT) | |
779 | { | |
780 | type &= ~BFD_MACH_O_N_EXT; | |
781 | s->flags |= BSF_GLOBAL; | |
782 | } | |
783 | ||
784 | switch (symtype) | |
785 | { | |
786 | case BFD_MACH_O_N_UNDF: | |
787 | s->section = bfd_und_section_ptr; | |
788 | break; | |
789 | case BFD_MACH_O_N_PBUD: | |
790 | s->section = bfd_und_section_ptr; | |
791 | break; | |
792 | case BFD_MACH_O_N_ABS: | |
793 | s->section = bfd_abs_section_ptr; | |
794 | break; | |
795 | case BFD_MACH_O_N_SECT: | |
796 | if ((section > 0) && (section <= mdata->nsects)) | |
797 | { | |
798 | s->section = mdata->sections[section - 1]->bfdsection; | |
799 | s->value = s->value - mdata->sections[section - 1]->addr; | |
800 | } | |
801 | else | |
802 | { | |
803 | /* Mach-O uses 0 to mean "no section"; not an error. */ | |
804 | if (section != 0) | |
805 | { | |
806 | fprintf (stderr, "bfd_mach_o_scan_read_symtab_symbol: " | |
a95a4550 | 807 | "symbol \"%s\" specified invalid section %d (max %lu): setting to undefined\n", |
3af9a47b NC |
808 | s->name, section, mdata->nsects); |
809 | } | |
810 | s->section = bfd_und_section_ptr; | |
811 | } | |
812 | break; | |
813 | case BFD_MACH_O_N_INDR: | |
814 | fprintf (stderr, "bfd_mach_o_scan_read_symtab_symbol: " | |
a95a4550 | 815 | "symbol \"%s\" is unsupported 'indirect' reference: setting to undefined\n", |
3af9a47b NC |
816 | s->name); |
817 | s->section = bfd_und_section_ptr; | |
818 | break; | |
819 | default: | |
820 | fprintf (stderr, "bfd_mach_o_scan_read_symtab_symbol: " | |
a95a4550 | 821 | "symbol \"%s\" specified invalid type field 0x%x: setting to undefined\n", |
3af9a47b NC |
822 | s->name, symtype); |
823 | s->section = bfd_und_section_ptr; | |
824 | break; | |
825 | } | |
826 | } | |
827 | ||
828 | return 0; | |
829 | } | |
830 | ||
831 | int | |
832 | bfd_mach_o_scan_read_symtab_strtab (abfd, sym) | |
833 | bfd *abfd; | |
834 | bfd_mach_o_symtab_command *sym; | |
835 | { | |
836 | BFD_ASSERT (sym->strtab == NULL); | |
837 | ||
838 | if (abfd->flags & BFD_IN_MEMORY) | |
839 | { | |
840 | struct bfd_in_memory *b; | |
841 | ||
842 | b = (struct bfd_in_memory *) abfd->iostream; | |
843 | ||
844 | if ((sym->stroff + sym->strsize) > b->size) | |
845 | { | |
846 | bfd_set_error (bfd_error_file_truncated); | |
847 | return -1; | |
848 | } | |
849 | sym->strtab = b->buffer + sym->stroff; | |
850 | return 0; | |
851 | } | |
852 | ||
853 | sym->strtab = bfd_alloc (abfd, sym->strsize); | |
854 | if (sym->strtab == NULL) | |
855 | return -1; | |
856 | ||
857 | bfd_seek (abfd, sym->stroff, SEEK_SET); | |
858 | if (bfd_bread ((PTR) sym->strtab, sym->strsize, abfd) != sym->strsize) | |
859 | { | |
860 | fprintf (stderr, "bfd_mach_o_scan_read_symtab_strtab: unable to read %lu bytes at %lu\n", | |
861 | sym->strsize, sym->stroff); | |
a95a4550 | 862 | return -1; |
3af9a47b NC |
863 | } |
864 | ||
865 | return 0; | |
866 | } | |
867 | ||
a95a4550 | 868 | int |
3af9a47b NC |
869 | bfd_mach_o_scan_read_symtab_symbols (abfd, sym) |
870 | bfd *abfd; | |
871 | bfd_mach_o_symtab_command *sym; | |
872 | { | |
873 | unsigned long i; | |
874 | int ret; | |
875 | ||
876 | BFD_ASSERT (sym->symbols == NULL); | |
877 | sym->symbols = bfd_alloc (abfd, sym->nsyms * sizeof (asymbol)); | |
878 | ||
879 | if (sym->symbols == NULL) | |
880 | { | |
881 | fprintf (stderr, "bfd_mach_o_scan_read_symtab_symbols: unable to allocate memory for symbols\n"); | |
a95a4550 | 882 | return -1; |
3af9a47b | 883 | } |
a95a4550 | 884 | |
3af9a47b NC |
885 | ret = bfd_mach_o_scan_read_symtab_strtab (abfd, sym); |
886 | if (ret != 0) | |
887 | return ret; | |
888 | ||
889 | for (i = 0; i < sym->nsyms; i++) | |
890 | { | |
891 | ret = bfd_mach_o_scan_read_symtab_symbol (abfd, sym, &sym->symbols[i], i); | |
892 | if (ret != 0) | |
893 | return ret; | |
894 | } | |
a95a4550 | 895 | |
3af9a47b NC |
896 | return 0; |
897 | } | |
898 | ||
899 | int | |
900 | bfd_mach_o_scan_read_dysymtab_symbol (abfd, dysym, sym, s, i) | |
901 | bfd *abfd; | |
902 | bfd_mach_o_dysymtab_command *dysym; | |
903 | bfd_mach_o_symtab_command *sym; | |
904 | asymbol *s; | |
905 | unsigned long i; | |
906 | { | |
907 | unsigned long isymoff = dysym->indirectsymoff + (i * 4); | |
908 | unsigned long symindex; | |
909 | unsigned char buf[4]; | |
910 | ||
911 | BFD_ASSERT (i < dysym->nindirectsyms); | |
a95a4550 | 912 | |
3af9a47b NC |
913 | bfd_seek (abfd, isymoff, SEEK_SET); |
914 | if (bfd_bread ((PTR) buf, 4, abfd) != 4) | |
915 | { | |
916 | fprintf (stderr, "bfd_mach_o_scan_read_dysymtab_symbol: unable to read %lu bytes at %lu\n", | |
917 | (unsigned long) 4, isymoff); | |
918 | return -1; | |
919 | } | |
920 | symindex = bfd_h_get_32 (abfd, buf); | |
a95a4550 | 921 | |
3af9a47b NC |
922 | return bfd_mach_o_scan_read_symtab_symbol (abfd, sym, s, symindex); |
923 | } | |
924 | ||
925 | static const char * | |
926 | bfd_mach_o_i386_flavour_string (flavour) | |
927 | unsigned int flavour; | |
928 | { | |
929 | switch ((int) flavour) | |
930 | { | |
931 | case BFD_MACH_O_i386_NEW_THREAD_STATE: return "i386_NEW_THREAD_STATE"; | |
932 | case BFD_MACH_O_i386_FLOAT_STATE: return "i386_FLOAT_STATE"; | |
933 | case BFD_MACH_O_i386_ISA_PORT_MAP_STATE: return "i386_ISA_PORT_MAP_STATE"; | |
934 | case BFD_MACH_O_i386_V86_ASSIST_STATE: return "i386_V86_ASSIST_STATE"; | |
935 | case BFD_MACH_O_i386_REGS_SEGS_STATE: return "i386_REGS_SEGS_STATE"; | |
936 | case BFD_MACH_O_i386_THREAD_SYSCALL_STATE: return "i386_THREAD_SYSCALL_STATE"; | |
937 | case BFD_MACH_O_i386_THREAD_STATE_NONE: return "i386_THREAD_STATE_NONE"; | |
938 | case BFD_MACH_O_i386_SAVED_STATE: return "i386_SAVED_STATE"; | |
939 | case BFD_MACH_O_i386_THREAD_STATE: return "i386_THREAD_STATE"; | |
940 | case BFD_MACH_O_i386_THREAD_FPSTATE: return "i386_THREAD_FPSTATE"; | |
941 | case BFD_MACH_O_i386_THREAD_EXCEPTSTATE: return "i386_THREAD_EXCEPTSTATE"; | |
942 | case BFD_MACH_O_i386_THREAD_CTHREADSTATE: return "i386_THREAD_CTHREADSTATE"; | |
943 | default: return "UNKNOWN"; | |
944 | } | |
945 | } | |
946 | ||
947 | static const char * | |
948 | bfd_mach_o_ppc_flavour_string (flavour) | |
949 | unsigned int flavour; | |
950 | { | |
951 | switch ((int) flavour) | |
952 | { | |
953 | case BFD_MACH_O_PPC_THREAD_STATE: return "PPC_THREAD_STATE"; | |
954 | case BFD_MACH_O_PPC_FLOAT_STATE: return "PPC_FLOAT_STATE"; | |
955 | case BFD_MACH_O_PPC_EXCEPTION_STATE: return "PPC_EXCEPTION_STATE"; | |
956 | case BFD_MACH_O_PPC_VECTOR_STATE: return "PPC_VECTOR_STATE"; | |
957 | default: return "UNKNOWN"; | |
958 | } | |
959 | } | |
960 | ||
961 | static int | |
962 | bfd_mach_o_scan_write_thread (abfd, command) | |
963 | bfd *abfd; | |
964 | bfd_mach_o_load_command *command; | |
965 | { | |
966 | bfd_mach_o_thread_command *cmd = &command->command.thread; | |
967 | unsigned int i; | |
968 | unsigned char buf[8]; | |
969 | bfd_vma offset; | |
970 | unsigned int nflavours; | |
971 | ||
972 | BFD_ASSERT ((command->type == BFD_MACH_O_LC_THREAD) | |
973 | || (command->type == BFD_MACH_O_LC_UNIXTHREAD)); | |
974 | ||
975 | offset = 8; | |
976 | nflavours = 0; | |
977 | for (i = 0; i < cmd->nflavours; i++) | |
978 | { | |
979 | BFD_ASSERT ((cmd->flavours[i].size % 4) == 0); | |
980 | BFD_ASSERT (cmd->flavours[i].offset == (command->offset + offset + 8)); | |
981 | ||
982 | bfd_h_put_32 (abfd, cmd->flavours[i].flavour, buf); | |
983 | bfd_h_put_32 (abfd, (cmd->flavours[i].size / 4), buf + 4); | |
984 | ||
985 | bfd_seek (abfd, command->offset + offset, SEEK_SET); | |
986 | if (bfd_bwrite ((PTR) buf, 8, abfd) != 8) | |
987 | return -1; | |
988 | ||
989 | offset += cmd->flavours[i].size + 8; | |
990 | } | |
991 | ||
992 | return 0; | |
993 | } | |
994 | ||
995 | static int | |
996 | bfd_mach_o_scan_read_dylinker (abfd, command) | |
997 | bfd *abfd; | |
998 | bfd_mach_o_load_command *command; | |
999 | { | |
1000 | bfd_mach_o_dylinker_command *cmd = &command->command.dylinker; | |
1001 | unsigned char buf[4]; | |
1002 | unsigned int nameoff; | |
1003 | asection *bfdsec; | |
1004 | char *sname; | |
1005 | const char *prefix; | |
1006 | ||
1007 | BFD_ASSERT ((command->type == BFD_MACH_O_LC_ID_DYLINKER) | |
1008 | || (command->type == BFD_MACH_O_LC_LOAD_DYLINKER)); | |
1009 | ||
1010 | bfd_seek (abfd, command->offset + 8, SEEK_SET); | |
1011 | if (bfd_bread ((PTR) buf, 4, abfd) != 4) | |
1012 | return -1; | |
1013 | ||
1014 | nameoff = bfd_h_get_32 (abfd, buf + 0); | |
1015 | ||
1016 | cmd->name_offset = command->offset + nameoff; | |
1017 | cmd->name_len = command->len - nameoff; | |
1018 | ||
1019 | if (command->type == BFD_MACH_O_LC_LOAD_DYLINKER) | |
1020 | prefix = "LC_LOAD_DYLINKER"; | |
1021 | else if (command->type == BFD_MACH_O_LC_ID_DYLINKER) | |
1022 | prefix = "LC_ID_DYLINKER"; | |
1023 | else | |
1024 | abort (); | |
1025 | ||
1026 | sname = (char *) bfd_alloc (abfd, strlen (prefix) + 1); | |
1027 | if (sname == NULL) | |
1028 | return -1; | |
1029 | strcpy (sname, prefix); | |
1030 | ||
1031 | bfdsec = bfd_make_section_anyway (abfd, sname); | |
1032 | if (bfdsec == NULL) | |
1033 | return -1; | |
a95a4550 | 1034 | |
3af9a47b NC |
1035 | bfdsec->vma = 0; |
1036 | bfdsec->lma = 0; | |
eea6121a | 1037 | bfdsec->size = command->len - 8; |
3af9a47b NC |
1038 | bfdsec->filepos = command->offset + 8; |
1039 | bfdsec->alignment_power = 0; | |
1040 | bfdsec->flags = SEC_HAS_CONTENTS; | |
1041 | ||
1042 | cmd->section = bfdsec; | |
1043 | ||
1044 | return 0; | |
1045 | } | |
1046 | ||
1047 | static int | |
1048 | bfd_mach_o_scan_read_dylib (abfd, command) | |
1049 | bfd *abfd; | |
1050 | bfd_mach_o_load_command *command; | |
1051 | { | |
1052 | bfd_mach_o_dylib_command *cmd = &command->command.dylib; | |
1053 | unsigned char buf[16]; | |
1054 | unsigned int nameoff; | |
1055 | asection *bfdsec; | |
1056 | char *sname; | |
1057 | const char *prefix; | |
1058 | ||
1059 | BFD_ASSERT ((command->type == BFD_MACH_O_LC_ID_DYLIB) | |
1060 | || (command->type == BFD_MACH_O_LC_LOAD_DYLIB) | |
1061 | || (command->type == BFD_MACH_O_LC_LOAD_WEAK_DYLIB)); | |
1062 | ||
1063 | bfd_seek (abfd, command->offset + 8, SEEK_SET); | |
1064 | if (bfd_bread ((PTR) buf, 16, abfd) != 16) | |
1065 | return -1; | |
1066 | ||
1067 | nameoff = bfd_h_get_32 (abfd, buf + 0); | |
1068 | cmd->timestamp = bfd_h_get_32 (abfd, buf + 4); | |
1069 | cmd->current_version = bfd_h_get_32 (abfd, buf + 8); | |
1070 | cmd->compatibility_version = bfd_h_get_32 (abfd, buf + 12); | |
1071 | ||
1072 | cmd->name_offset = command->offset + nameoff; | |
1073 | cmd->name_len = command->len - nameoff; | |
1074 | ||
1075 | if (command->type == BFD_MACH_O_LC_LOAD_DYLIB) | |
1076 | prefix = "LC_LOAD_DYLIB"; | |
1077 | else if (command->type == BFD_MACH_O_LC_LOAD_WEAK_DYLIB) | |
1078 | prefix = "LC_LOAD_WEAK_DYLIB"; | |
1079 | else if (command->type == BFD_MACH_O_LC_ID_DYLIB) | |
1080 | prefix = "LC_ID_DYLIB"; | |
1081 | else | |
1082 | abort (); | |
1083 | ||
1084 | sname = (char *) bfd_alloc (abfd, strlen (prefix) + 1); | |
1085 | if (sname == NULL) | |
1086 | return -1; | |
1087 | strcpy (sname, prefix); | |
1088 | ||
1089 | bfdsec = bfd_make_section_anyway (abfd, sname); | |
1090 | if (bfdsec == NULL) | |
1091 | return -1; | |
a95a4550 | 1092 | |
3af9a47b NC |
1093 | bfdsec->vma = 0; |
1094 | bfdsec->lma = 0; | |
eea6121a | 1095 | bfdsec->size = command->len - 8; |
3af9a47b NC |
1096 | bfdsec->filepos = command->offset + 8; |
1097 | bfdsec->alignment_power = 0; | |
1098 | bfdsec->flags = SEC_HAS_CONTENTS; | |
1099 | ||
1100 | cmd->section = bfdsec; | |
1101 | ||
1102 | return 0; | |
1103 | } | |
1104 | ||
1105 | static int | |
1106 | bfd_mach_o_scan_read_prebound_dylib (abfd, command) | |
1107 | bfd *abfd ATTRIBUTE_UNUSED; | |
1108 | bfd_mach_o_load_command *command ATTRIBUTE_UNUSED; | |
1109 | { | |
1110 | /* bfd_mach_o_prebound_dylib_command *cmd = &command->command.prebound_dylib; */ | |
1111 | ||
1112 | BFD_ASSERT (command->type == BFD_MACH_O_LC_PREBOUND_DYLIB); | |
1113 | return 0; | |
1114 | } | |
1115 | ||
1116 | static int | |
1117 | bfd_mach_o_scan_read_thread (abfd, command) | |
1118 | bfd *abfd; | |
1119 | bfd_mach_o_load_command *command; | |
1120 | { | |
1121 | bfd_mach_o_data_struct *mdata = NULL; | |
1122 | bfd_mach_o_thread_command *cmd = &command->command.thread; | |
1123 | unsigned char buf[8]; | |
1124 | bfd_vma offset; | |
1125 | unsigned int nflavours; | |
1126 | unsigned int i; | |
1127 | ||
1128 | BFD_ASSERT ((command->type == BFD_MACH_O_LC_THREAD) | |
1129 | || (command->type == BFD_MACH_O_LC_UNIXTHREAD)); | |
1130 | ||
1131 | BFD_ASSERT (bfd_mach_o_valid (abfd)); | |
1132 | mdata = abfd->tdata.mach_o_data; | |
a95a4550 | 1133 | |
3af9a47b NC |
1134 | offset = 8; |
1135 | nflavours = 0; | |
1136 | while (offset != command->len) | |
1137 | { | |
1138 | if (offset >= command->len) | |
1139 | return -1; | |
1140 | ||
1141 | bfd_seek (abfd, command->offset + offset, SEEK_SET); | |
1142 | ||
1143 | if (bfd_bread ((PTR) buf, 8, abfd) != 8) | |
1144 | return -1; | |
1145 | ||
1146 | offset += 8 + bfd_h_get_32 (abfd, buf + 4) * 4; | |
1147 | nflavours++; | |
1148 | } | |
1149 | ||
1150 | cmd->flavours = | |
1151 | ((bfd_mach_o_thread_flavour *) | |
1152 | bfd_alloc (abfd, nflavours * sizeof (bfd_mach_o_thread_flavour))); | |
1153 | if (cmd->flavours == NULL) | |
1154 | return -1; | |
1155 | cmd->nflavours = nflavours; | |
1156 | ||
1157 | offset = 8; | |
1158 | nflavours = 0; | |
1159 | while (offset != command->len) | |
1160 | { | |
1161 | if (offset >= command->len) | |
1162 | return -1; | |
1163 | ||
1164 | if (nflavours >= cmd->nflavours) | |
1165 | return -1; | |
1166 | ||
1167 | bfd_seek (abfd, command->offset + offset, SEEK_SET); | |
1168 | ||
1169 | if (bfd_bread ((PTR) buf, 8, abfd) != 8) | |
1170 | return -1; | |
1171 | ||
1172 | cmd->flavours[nflavours].flavour = bfd_h_get_32 (abfd, buf); | |
1173 | cmd->flavours[nflavours].offset = command->offset + offset + 8; | |
1174 | cmd->flavours[nflavours].size = bfd_h_get_32 (abfd, buf + 4) * 4; | |
1175 | offset += cmd->flavours[nflavours].size + 8; | |
1176 | nflavours++; | |
1177 | } | |
1178 | ||
1179 | for (i = 0; i < nflavours; i++) | |
1180 | { | |
1181 | asection *bfdsec; | |
1182 | unsigned int snamelen; | |
1183 | char *sname; | |
1184 | const char *flavourstr; | |
1185 | const char *prefix = "LC_THREAD"; | |
a95a4550 AM |
1186 | unsigned int j = 0; |
1187 | ||
3af9a47b NC |
1188 | switch (mdata->header.cputype) |
1189 | { | |
1190 | case BFD_MACH_O_CPU_TYPE_POWERPC: | |
1191 | flavourstr = bfd_mach_o_ppc_flavour_string (cmd->flavours[i].flavour); | |
1192 | break; | |
1193 | case BFD_MACH_O_CPU_TYPE_I386: | |
1194 | flavourstr = bfd_mach_o_i386_flavour_string (cmd->flavours[i].flavour); | |
1195 | break; | |
1196 | default: | |
1197 | flavourstr = "UNKNOWN_ARCHITECTURE"; | |
1198 | break; | |
1199 | } | |
a95a4550 | 1200 | |
3af9a47b NC |
1201 | snamelen = strlen (prefix) + 1 + 20 + 1 + strlen (flavourstr) + 1; |
1202 | sname = (char *) bfd_alloc (abfd, snamelen); | |
1203 | if (sname == NULL) | |
1204 | return -1; | |
1205 | ||
1206 | for (;;) | |
1207 | { | |
a95a4550 AM |
1208 | sprintf (sname, "%s.%s.%u", prefix, flavourstr, j); |
1209 | if (bfd_get_section_by_name (abfd, sname) == NULL) | |
3af9a47b | 1210 | break; |
a95a4550 | 1211 | j++; |
3af9a47b NC |
1212 | } |
1213 | ||
1214 | bfdsec = bfd_make_section (abfd, sname); | |
a95a4550 | 1215 | |
3af9a47b NC |
1216 | bfdsec->vma = 0; |
1217 | bfdsec->lma = 0; | |
eea6121a | 1218 | bfdsec->size = cmd->flavours[i].size; |
3af9a47b NC |
1219 | bfdsec->filepos = cmd->flavours[i].offset; |
1220 | bfdsec->alignment_power = 0x0; | |
1221 | bfdsec->flags = SEC_HAS_CONTENTS; | |
1222 | ||
1223 | cmd->section = bfdsec; | |
1224 | } | |
1225 | ||
1226 | return 0; | |
1227 | } | |
1228 | ||
a95a4550 | 1229 | static int |
3af9a47b NC |
1230 | bfd_mach_o_scan_write_symtab (abfd, command) |
1231 | bfd *abfd; | |
1232 | bfd_mach_o_load_command *command; | |
1233 | { | |
1234 | bfd_mach_o_symtab_command *seg = &command->command.symtab; | |
1235 | unsigned char buf[16]; | |
1236 | ||
1237 | BFD_ASSERT (command->type == BFD_MACH_O_LC_SYMTAB); | |
1238 | ||
1239 | bfd_h_put_32 (abfd, seg->symoff, buf); | |
1240 | bfd_h_put_32 (abfd, seg->nsyms, buf + 4); | |
1241 | bfd_h_put_32 (abfd, seg->stroff, buf + 8); | |
1242 | bfd_h_put_32 (abfd, seg->strsize, buf + 12); | |
1243 | ||
1244 | bfd_seek (abfd, command->offset + 8, SEEK_SET); | |
1245 | if (bfd_bwrite ((PTR) buf, 16, abfd) != 16) | |
1246 | return -1; | |
a95a4550 | 1247 | |
3af9a47b NC |
1248 | if (bfd_mach_o_scan_write_symtab_symbols (abfd, command) != 0) |
1249 | return -1; | |
1250 | ||
1251 | return 0; | |
1252 | } | |
1253 | ||
a95a4550 | 1254 | static int |
3af9a47b NC |
1255 | bfd_mach_o_scan_read_dysymtab (abfd, command) |
1256 | bfd *abfd; | |
1257 | bfd_mach_o_load_command *command; | |
1258 | { | |
1259 | bfd_mach_o_dysymtab_command *seg = &command->command.dysymtab; | |
1260 | unsigned char buf[72]; | |
1261 | ||
1262 | BFD_ASSERT (command->type == BFD_MACH_O_LC_DYSYMTAB); | |
1263 | ||
1264 | bfd_seek (abfd, command->offset + 8, SEEK_SET); | |
1265 | if (bfd_bread ((PTR) buf, 72, abfd) != 72) | |
1266 | return -1; | |
1267 | ||
1268 | seg->ilocalsym = bfd_h_get_32 (abfd, buf + 0); | |
1269 | seg->nlocalsym = bfd_h_get_32 (abfd, buf + 4); | |
1270 | seg->iextdefsym = bfd_h_get_32 (abfd, buf + 8); | |
1271 | seg->nextdefsym = bfd_h_get_32 (abfd, buf + 12); | |
1272 | seg->iundefsym = bfd_h_get_32 (abfd, buf + 16); | |
1273 | seg->nundefsym = bfd_h_get_32 (abfd, buf + 20); | |
1274 | seg->tocoff = bfd_h_get_32 (abfd, buf + 24); | |
1275 | seg->ntoc = bfd_h_get_32 (abfd, buf + 28); | |
1276 | seg->modtaboff = bfd_h_get_32 (abfd, buf + 32); | |
1277 | seg->nmodtab = bfd_h_get_32 (abfd, buf + 36); | |
1278 | seg->extrefsymoff = bfd_h_get_32 (abfd, buf + 40); | |
1279 | seg->nextrefsyms = bfd_h_get_32 (abfd, buf + 44); | |
1280 | seg->indirectsymoff = bfd_h_get_32 (abfd, buf + 48); | |
1281 | seg->nindirectsyms = bfd_h_get_32 (abfd, buf + 52); | |
1282 | seg->extreloff = bfd_h_get_32 (abfd, buf + 56); | |
1283 | seg->nextrel = bfd_h_get_32 (abfd, buf + 60); | |
1284 | seg->locreloff = bfd_h_get_32 (abfd, buf + 64); | |
1285 | seg->nlocrel = bfd_h_get_32 (abfd, buf + 68); | |
1286 | ||
1287 | return 0; | |
1288 | } | |
1289 | ||
a95a4550 | 1290 | static int |
3af9a47b NC |
1291 | bfd_mach_o_scan_read_symtab (abfd, command) |
1292 | bfd *abfd; | |
1293 | bfd_mach_o_load_command *command; | |
1294 | { | |
1295 | bfd_mach_o_symtab_command *seg = &command->command.symtab; | |
1296 | unsigned char buf[16]; | |
1297 | asection *bfdsec; | |
1298 | char *sname; | |
1299 | const char *prefix = "LC_SYMTAB.stabs"; | |
1300 | ||
1301 | BFD_ASSERT (command->type == BFD_MACH_O_LC_SYMTAB); | |
1302 | ||
1303 | bfd_seek (abfd, command->offset + 8, SEEK_SET); | |
1304 | if (bfd_bread ((PTR) buf, 16, abfd) != 16) | |
1305 | return -1; | |
a95a4550 | 1306 | |
3af9a47b NC |
1307 | seg->symoff = bfd_h_get_32 (abfd, buf); |
1308 | seg->nsyms = bfd_h_get_32 (abfd, buf + 4); | |
1309 | seg->stroff = bfd_h_get_32 (abfd, buf + 8); | |
1310 | seg->strsize = bfd_h_get_32 (abfd, buf + 12); | |
1311 | seg->symbols = NULL; | |
1312 | seg->strtab = NULL; | |
1313 | ||
1314 | sname = (char *) bfd_alloc (abfd, strlen (prefix) + 1); | |
1315 | if (sname == NULL) | |
1316 | return -1; | |
1317 | strcpy (sname, prefix); | |
1318 | ||
1319 | bfdsec = bfd_make_section_anyway (abfd, sname); | |
1320 | if (bfdsec == NULL) | |
1321 | return -1; | |
a95a4550 | 1322 | |
3af9a47b NC |
1323 | bfdsec->vma = 0; |
1324 | bfdsec->lma = 0; | |
eea6121a | 1325 | bfdsec->size = seg->nsyms * 12; |
3af9a47b NC |
1326 | bfdsec->filepos = seg->symoff; |
1327 | bfdsec->alignment_power = 0; | |
1328 | bfdsec->flags = SEC_HAS_CONTENTS; | |
1329 | ||
1330 | seg->stabs_segment = bfdsec; | |
1331 | ||
1332 | prefix = "LC_SYMTAB.stabstr"; | |
1333 | sname = (char *) bfd_alloc (abfd, strlen (prefix) + 1); | |
1334 | if (sname == NULL) | |
1335 | return -1; | |
1336 | strcpy (sname, prefix); | |
1337 | ||
1338 | bfdsec = bfd_make_section_anyway (abfd, sname); | |
1339 | if (bfdsec == NULL) | |
1340 | return -1; | |
a95a4550 | 1341 | |
3af9a47b NC |
1342 | bfdsec->vma = 0; |
1343 | bfdsec->lma = 0; | |
eea6121a | 1344 | bfdsec->size = seg->strsize; |
3af9a47b NC |
1345 | bfdsec->filepos = seg->stroff; |
1346 | bfdsec->alignment_power = 0; | |
1347 | bfdsec->flags = SEC_HAS_CONTENTS; | |
1348 | ||
1349 | seg->stabstr_segment = bfdsec; | |
1350 | ||
1351 | return 0; | |
1352 | } | |
1353 | ||
1354 | static int | |
1355 | bfd_mach_o_scan_read_segment (abfd, command) | |
1356 | bfd *abfd; | |
1357 | bfd_mach_o_load_command *command; | |
1358 | { | |
1359 | unsigned char buf[48]; | |
1360 | bfd_mach_o_segment_command *seg = &command->command.segment; | |
1361 | unsigned long i; | |
1362 | asection *bfdsec; | |
1363 | char *sname; | |
1364 | const char *prefix = "LC_SEGMENT"; | |
1365 | unsigned int snamelen; | |
a95a4550 | 1366 | |
3af9a47b NC |
1367 | BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT); |
1368 | ||
1369 | bfd_seek (abfd, command->offset + 8, SEEK_SET); | |
1370 | if (bfd_bread ((PTR) buf, 48, abfd) != 48) | |
1371 | return -1; | |
1372 | ||
1373 | memcpy (seg->segname, buf, 16); | |
1374 | seg->vmaddr = bfd_h_get_32 (abfd, buf + 16); | |
1375 | seg->vmsize = bfd_h_get_32 (abfd, buf + 20); | |
1376 | seg->fileoff = bfd_h_get_32 (abfd, buf + 24); | |
1377 | seg->filesize = bfd_h_get_32 (abfd, buf + 28); | |
1378 | /* seg->maxprot = bfd_h_get_32 (abfd, buf + 32); */ | |
1379 | /* seg->initprot = bfd_h_get_32 (abfd, buf + 36); */ | |
1380 | seg->nsects = bfd_h_get_32 (abfd, buf + 40); | |
1381 | seg->flags = bfd_h_get_32 (abfd, buf + 44); | |
1382 | ||
1383 | snamelen = strlen (prefix) + 1 + strlen (seg->segname) + 1; | |
1384 | sname = (char *) bfd_alloc (abfd, snamelen); | |
1385 | if (sname == NULL) | |
1386 | return -1; | |
1387 | sprintf (sname, "%s.%s", prefix, seg->segname); | |
1388 | ||
1389 | bfdsec = bfd_make_section_anyway (abfd, sname); | |
1390 | if (bfdsec == NULL) | |
1391 | return -1; | |
1392 | ||
1393 | bfdsec->vma = seg->vmaddr; | |
1394 | bfdsec->lma = seg->vmaddr; | |
eea6121a | 1395 | bfdsec->size = seg->filesize; |
3af9a47b NC |
1396 | bfdsec->filepos = seg->fileoff; |
1397 | bfdsec->alignment_power = 0x0; | |
1398 | bfdsec->flags = SEC_HAS_CONTENTS | SEC_LOAD | SEC_ALLOC | SEC_CODE; | |
1399 | ||
1400 | seg->segment = bfdsec; | |
1401 | ||
1402 | if (seg->nsects != 0) | |
1403 | { | |
a95a4550 | 1404 | seg->sections = |
3af9a47b NC |
1405 | ((bfd_mach_o_section *) |
1406 | bfd_alloc (abfd, seg->nsects * sizeof (bfd_mach_o_section))); | |
1407 | if (seg->sections == NULL) | |
1408 | return -1; | |
a95a4550 | 1409 | |
3af9a47b NC |
1410 | for (i = 0; i < seg->nsects; i++) |
1411 | { | |
1412 | bfd_vma segoff = command->offset + 48 + 8 + (i * 68); | |
1413 | ||
e84d6fca AM |
1414 | if (bfd_mach_o_scan_read_section (abfd, &seg->sections[i], |
1415 | segoff) != 0) | |
3af9a47b | 1416 | return -1; |
a95a4550 | 1417 | } |
3af9a47b NC |
1418 | } |
1419 | ||
1420 | return 0; | |
1421 | } | |
1422 | ||
1423 | static int | |
1424 | bfd_mach_o_scan_write_segment (abfd, command) | |
1425 | bfd *abfd; | |
1426 | bfd_mach_o_load_command *command; | |
1427 | { | |
1428 | unsigned char buf[48]; | |
1429 | bfd_mach_o_segment_command *seg = &command->command.segment; | |
1430 | unsigned long i; | |
a95a4550 | 1431 | |
3af9a47b NC |
1432 | BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT); |
1433 | ||
1434 | memcpy (buf, seg->segname, 16); | |
1435 | bfd_h_put_32 (abfd, seg->vmaddr, buf + 16); | |
1436 | bfd_h_put_32 (abfd, seg->vmsize, buf + 20); | |
1437 | bfd_h_put_32 (abfd, seg->fileoff, buf + 24); | |
1438 | bfd_h_put_32 (abfd, seg->filesize, buf + 28); | |
1439 | bfd_h_put_32 (abfd, 0 /* seg->maxprot */, buf + 32); | |
1440 | bfd_h_put_32 (abfd, 0 /* seg->initprot */, buf + 36); | |
1441 | bfd_h_put_32 (abfd, seg->nsects, buf + 40); | |
1442 | bfd_h_put_32 (abfd, seg->flags, buf + 44); | |
1443 | ||
1444 | bfd_seek (abfd, command->offset + 8, SEEK_SET); | |
1445 | if (bfd_bwrite ((PTR) buf, 48, abfd) != 48) | |
1446 | return -1; | |
1447 | ||
1448 | { | |
1449 | char buf[1024]; | |
1450 | bfd_vma nbytes = seg->filesize; | |
1451 | bfd_vma curoff = seg->fileoff; | |
a95a4550 | 1452 | |
3af9a47b NC |
1453 | while (nbytes > 0) |
1454 | { | |
1455 | bfd_vma thisread = nbytes; | |
1456 | ||
1457 | if (thisread > 1024) | |
1458 | thisread = 1024; | |
1459 | ||
1460 | bfd_seek (abfd, curoff, SEEK_SET); | |
1461 | if (bfd_bread ((PTR) buf, thisread, abfd) != thisread) | |
1462 | return -1; | |
1463 | ||
1464 | bfd_seek (abfd, curoff, SEEK_SET); | |
1465 | if (bfd_bwrite ((PTR) buf, thisread, abfd) != thisread) | |
1466 | return -1; | |
1467 | ||
1468 | nbytes -= thisread; | |
1469 | curoff += thisread; | |
1470 | } | |
1471 | } | |
1472 | ||
1473 | for (i = 0; i < seg->nsects; i++) | |
1474 | { | |
1475 | bfd_vma segoff = command->offset + 48 + 8 + (i * 68); | |
1476 | ||
1477 | if (bfd_mach_o_scan_write_section (abfd, &seg->sections[i], segoff) != 0) | |
1478 | return -1; | |
1479 | } | |
1480 | ||
1481 | return 0; | |
1482 | } | |
1483 | ||
1484 | static int | |
1485 | bfd_mach_o_scan_read_command (abfd, command) | |
1486 | bfd *abfd; | |
1487 | bfd_mach_o_load_command *command; | |
1488 | { | |
1489 | unsigned char buf[8]; | |
1490 | ||
1491 | bfd_seek (abfd, command->offset, SEEK_SET); | |
1492 | if (bfd_bread ((PTR) buf, 8, abfd) != 8) | |
1493 | return -1; | |
1494 | ||
1495 | command->type = (bfd_h_get_32 (abfd, buf) & ~BFD_MACH_O_LC_REQ_DYLD); | |
e84d6fca AM |
1496 | command->type_required = (bfd_h_get_32 (abfd, buf) & BFD_MACH_O_LC_REQ_DYLD |
1497 | ? 1 : 0); | |
3af9a47b NC |
1498 | command->len = bfd_h_get_32 (abfd, buf + 4); |
1499 | ||
1500 | switch (command->type) | |
1501 | { | |
1502 | case BFD_MACH_O_LC_SEGMENT: | |
1503 | if (bfd_mach_o_scan_read_segment (abfd, command) != 0) | |
1504 | return -1; | |
1505 | break; | |
1506 | case BFD_MACH_O_LC_SYMTAB: | |
1507 | if (bfd_mach_o_scan_read_symtab (abfd, command) != 0) | |
1508 | return -1; | |
1509 | break; | |
1510 | case BFD_MACH_O_LC_SYMSEG: | |
1511 | break; | |
1512 | case BFD_MACH_O_LC_THREAD: | |
1513 | case BFD_MACH_O_LC_UNIXTHREAD: | |
1514 | if (bfd_mach_o_scan_read_thread (abfd, command) != 0) | |
1515 | return -1; | |
1516 | break; | |
1517 | case BFD_MACH_O_LC_LOAD_DYLINKER: | |
1518 | case BFD_MACH_O_LC_ID_DYLINKER: | |
1519 | if (bfd_mach_o_scan_read_dylinker (abfd, command) != 0) | |
1520 | return -1; | |
1521 | break; | |
1522 | case BFD_MACH_O_LC_LOAD_DYLIB: | |
1523 | case BFD_MACH_O_LC_ID_DYLIB: | |
1524 | case BFD_MACH_O_LC_LOAD_WEAK_DYLIB: | |
1525 | if (bfd_mach_o_scan_read_dylib (abfd, command) != 0) | |
1526 | return -1; | |
1527 | break; | |
1528 | case BFD_MACH_O_LC_PREBOUND_DYLIB: | |
1529 | if (bfd_mach_o_scan_read_prebound_dylib (abfd, command) != 0) | |
1530 | return -1; | |
1531 | break; | |
1532 | case BFD_MACH_O_LC_LOADFVMLIB: | |
1533 | case BFD_MACH_O_LC_IDFVMLIB: | |
1534 | case BFD_MACH_O_LC_IDENT: | |
1535 | case BFD_MACH_O_LC_FVMFILE: | |
1536 | case BFD_MACH_O_LC_PREPAGE: | |
1537 | case BFD_MACH_O_LC_ROUTINES: | |
1538 | case BFD_MACH_O_LC_SUB_FRAMEWORK: | |
1539 | break; | |
1540 | case BFD_MACH_O_LC_DYSYMTAB: | |
1541 | if (bfd_mach_o_scan_read_dysymtab (abfd, command) != 0) | |
1542 | return -1; | |
1543 | break; | |
1544 | case BFD_MACH_O_LC_SUB_UMBRELLA: | |
1545 | case BFD_MACH_O_LC_SUB_CLIENT: | |
1546 | case BFD_MACH_O_LC_SUB_LIBRARY: | |
1547 | case BFD_MACH_O_LC_TWOLEVEL_HINTS: | |
1548 | case BFD_MACH_O_LC_PREBIND_CKSUM: | |
1549 | break; | |
1550 | default: | |
1551 | fprintf (stderr, "unable to read unknown load command 0x%lx\n", | |
1552 | (unsigned long) command->type); | |
1553 | break; | |
1554 | } | |
1555 | ||
1556 | return 0; | |
1557 | } | |
1558 | ||
1559 | static void | |
1560 | bfd_mach_o_flatten_sections (abfd) | |
1561 | bfd *abfd; | |
1562 | { | |
1563 | bfd_mach_o_data_struct *mdata = abfd->tdata.mach_o_data; | |
1564 | long csect = 0; | |
1565 | unsigned long i, j; | |
a95a4550 | 1566 | |
3af9a47b NC |
1567 | mdata->nsects = 0; |
1568 | ||
1569 | for (i = 0; i < mdata->header.ncmds; i++) | |
1570 | { | |
1571 | if (mdata->commands[i].type == BFD_MACH_O_LC_SEGMENT) | |
1572 | { | |
e84d6fca AM |
1573 | bfd_mach_o_segment_command *seg; |
1574 | ||
1575 | seg = &mdata->commands[i].command.segment; | |
3af9a47b NC |
1576 | mdata->nsects += seg->nsects; |
1577 | } | |
1578 | } | |
1579 | ||
e84d6fca AM |
1580 | mdata->sections = bfd_alloc (abfd, |
1581 | mdata->nsects * sizeof (bfd_mach_o_section *)); | |
3af9a47b NC |
1582 | csect = 0; |
1583 | ||
1584 | for (i = 0; i < mdata->header.ncmds; i++) | |
1585 | { | |
1586 | if (mdata->commands[i].type == BFD_MACH_O_LC_SEGMENT) | |
1587 | { | |
e84d6fca | 1588 | bfd_mach_o_segment_command *seg; |
3af9a47b | 1589 | |
e84d6fca | 1590 | seg = &mdata->commands[i].command.segment; |
3af9a47b NC |
1591 | BFD_ASSERT (csect + seg->nsects <= mdata->nsects); |
1592 | ||
1593 | for (j = 0; j < seg->nsects; j++) | |
1594 | mdata->sections[csect++] = &seg->sections[j]; | |
1595 | } | |
1596 | } | |
1597 | } | |
1598 | ||
1599 | int | |
1600 | bfd_mach_o_scan_start_address (abfd) | |
1601 | bfd *abfd; | |
1602 | { | |
1603 | bfd_mach_o_data_struct *mdata = abfd->tdata.mach_o_data; | |
1604 | bfd_mach_o_thread_command *cmd = NULL; | |
1605 | unsigned long i; | |
1606 | ||
1607 | for (i = 0; i < mdata->header.ncmds; i++) | |
1608 | { | |
1609 | if ((mdata->commands[i].type == BFD_MACH_O_LC_THREAD) || | |
1610 | (mdata->commands[i].type == BFD_MACH_O_LC_UNIXTHREAD)) | |
1611 | { | |
1612 | if (cmd == NULL) | |
1613 | cmd = &mdata->commands[i].command.thread; | |
1614 | else | |
1615 | return 0; | |
1616 | } | |
1617 | } | |
1618 | ||
1619 | if (cmd == NULL) | |
1620 | return 0; | |
1621 | ||
1622 | for (i = 0; i < cmd->nflavours; i++) | |
1623 | { | |
a95a4550 | 1624 | if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_I386) |
e84d6fca AM |
1625 | && (cmd->flavours[i].flavour |
1626 | == (unsigned long) BFD_MACH_O_i386_THREAD_STATE)) | |
3af9a47b NC |
1627 | { |
1628 | unsigned char buf[4]; | |
1629 | ||
1630 | bfd_seek (abfd, cmd->flavours[i].offset + 40, SEEK_SET); | |
1631 | ||
1632 | if (bfd_bread (buf, 4, abfd) != 4) | |
1633 | return -1; | |
1634 | ||
1635 | abfd->start_address = bfd_h_get_32 (abfd, buf); | |
1636 | } | |
a95a4550 | 1637 | else if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_POWERPC) |
3af9a47b NC |
1638 | && (cmd->flavours[i].flavour == BFD_MACH_O_PPC_THREAD_STATE)) |
1639 | { | |
1640 | unsigned char buf[4]; | |
1641 | ||
1642 | bfd_seek (abfd, cmd->flavours[i].offset + 0, SEEK_SET); | |
1643 | ||
1644 | if (bfd_bread (buf, 4, abfd) != 4) | |
1645 | return -1; | |
1646 | ||
1647 | abfd->start_address = bfd_h_get_32 (abfd, buf); | |
1648 | } | |
1649 | } | |
1650 | ||
1651 | return 0; | |
1652 | } | |
1653 | ||
1654 | int | |
e84d6fca | 1655 | bfd_mach_o_scan (abfd, header, mdata) |
3af9a47b NC |
1656 | bfd *abfd; |
1657 | bfd_mach_o_header *header; | |
e84d6fca | 1658 | bfd_mach_o_data_struct *mdata; |
3af9a47b NC |
1659 | { |
1660 | unsigned int i; | |
3af9a47b NC |
1661 | enum bfd_architecture cputype; |
1662 | unsigned long cpusubtype; | |
1663 | ||
3af9a47b NC |
1664 | mdata->header = *header; |
1665 | mdata->symbols = NULL; | |
1666 | ||
e84d6fca AM |
1667 | abfd->flags = (abfd->xvec->object_flags |
1668 | | (abfd->flags & (BFD_IN_MEMORY | BFD_IO_FUNCS))); | |
3af9a47b NC |
1669 | abfd->tdata.mach_o_data = mdata; |
1670 | ||
e84d6fca AM |
1671 | bfd_mach_o_convert_architecture (header->cputype, header->cpusubtype, |
1672 | &cputype, &cpusubtype); | |
3af9a47b NC |
1673 | if (cputype == bfd_arch_unknown) |
1674 | { | |
1675 | fprintf (stderr, "bfd_mach_o_scan: unknown architecture 0x%lx/0x%lx\n", | |
1676 | header->cputype, header->cpusubtype); | |
1677 | return -1; | |
1678 | } | |
1679 | ||
1680 | bfd_set_arch_mach (abfd, cputype, cpusubtype); | |
a95a4550 | 1681 | |
3af9a47b NC |
1682 | if (header->ncmds != 0) |
1683 | { | |
a95a4550 | 1684 | mdata->commands = |
3af9a47b NC |
1685 | ((bfd_mach_o_load_command *) |
1686 | bfd_alloc (abfd, header->ncmds * sizeof (bfd_mach_o_load_command))); | |
1687 | if (mdata->commands == NULL) | |
1688 | return -1; | |
a95a4550 | 1689 | |
3af9a47b NC |
1690 | for (i = 0; i < header->ncmds; i++) |
1691 | { | |
1692 | bfd_mach_o_load_command *cur = &mdata->commands[i]; | |
1693 | ||
1694 | if (i == 0) | |
1695 | cur->offset = 28; | |
1696 | else | |
1697 | { | |
1698 | bfd_mach_o_load_command *prev = &mdata->commands[i - 1]; | |
1699 | cur->offset = prev->offset + prev->len; | |
1700 | } | |
1701 | ||
1702 | if (bfd_mach_o_scan_read_command (abfd, cur) < 0) | |
1703 | return -1; | |
a95a4550 | 1704 | } |
3af9a47b NC |
1705 | } |
1706 | ||
1707 | if (bfd_mach_o_scan_start_address (abfd) < 0) | |
1708 | { | |
1709 | #if 0 | |
1710 | fprintf (stderr, "bfd_mach_o_scan: unable to scan start address: %s\n", | |
1711 | bfd_errmsg (bfd_get_error ())); | |
1712 | abfd->tdata.mach_o_data = NULL; | |
1713 | return -1; | |
1714 | #endif | |
1715 | } | |
1716 | ||
1717 | bfd_mach_o_flatten_sections (abfd); | |
1718 | ||
1719 | return 0; | |
1720 | } | |
1721 | ||
b34976b6 | 1722 | bfd_boolean |
3af9a47b NC |
1723 | bfd_mach_o_mkobject (abfd) |
1724 | bfd *abfd; | |
1725 | { | |
1726 | bfd_mach_o_data_struct *mdata = NULL; | |
1727 | ||
a95a4550 | 1728 | mdata = ((bfd_mach_o_data_struct *) |
3af9a47b NC |
1729 | bfd_alloc (abfd, sizeof (bfd_mach_o_data_struct))); |
1730 | if (mdata == NULL) | |
b34976b6 | 1731 | return FALSE; |
3af9a47b NC |
1732 | abfd->tdata.mach_o_data = mdata; |
1733 | ||
1734 | mdata->header.magic = 0; | |
1735 | mdata->header.cputype = 0; | |
1736 | mdata->header.cpusubtype = 0; | |
1737 | mdata->header.filetype = 0; | |
1738 | mdata->header.ncmds = 0; | |
1739 | mdata->header.sizeofcmds = 0; | |
1740 | mdata->header.flags = 0; | |
1741 | mdata->header.byteorder = BFD_ENDIAN_UNKNOWN; | |
1742 | mdata->commands = NULL; | |
1743 | mdata->nsymbols = 0; | |
1744 | mdata->symbols = NULL; | |
1745 | mdata->nsects = 0; | |
1746 | mdata->sections = NULL; | |
1747 | mdata->ibfd = NULL; | |
1748 | ||
b34976b6 | 1749 | return TRUE; |
3af9a47b NC |
1750 | } |
1751 | ||
1752 | const bfd_target * | |
1753 | bfd_mach_o_object_p (abfd) | |
1754 | bfd *abfd; | |
1755 | { | |
e84d6fca | 1756 | struct bfd_preserve preserve; |
3af9a47b NC |
1757 | bfd_mach_o_header header; |
1758 | ||
e84d6fca | 1759 | preserve.marker = NULL; |
3af9a47b | 1760 | if (bfd_mach_o_read_header (abfd, &header) != 0) |
e84d6fca | 1761 | goto wrong; |
3af9a47b | 1762 | |
e84d6fca AM |
1763 | if (! (header.byteorder == BFD_ENDIAN_BIG |
1764 | || header.byteorder == BFD_ENDIAN_LITTLE)) | |
3af9a47b | 1765 | { |
e84d6fca AM |
1766 | fprintf (stderr, "unknown header byte-order value 0x%lx\n", |
1767 | (long) header.byteorder); | |
1768 | goto wrong; | |
3af9a47b NC |
1769 | } |
1770 | ||
e84d6fca AM |
1771 | if (! ((header.byteorder == BFD_ENDIAN_BIG |
1772 | && abfd->xvec->byteorder == BFD_ENDIAN_BIG | |
1773 | && abfd->xvec->header_byteorder == BFD_ENDIAN_BIG) | |
1774 | || (header.byteorder == BFD_ENDIAN_LITTLE | |
1775 | && abfd->xvec->byteorder == BFD_ENDIAN_LITTLE | |
1776 | && abfd->xvec->header_byteorder == BFD_ENDIAN_LITTLE))) | |
1777 | goto wrong; | |
3af9a47b | 1778 | |
e84d6fca AM |
1779 | preserve.marker = bfd_zalloc (abfd, sizeof (bfd_mach_o_data_struct)); |
1780 | if (preserve.marker == NULL | |
1781 | || !bfd_preserve_save (abfd, &preserve)) | |
1782 | goto fail; | |
3af9a47b | 1783 | |
e84d6fca AM |
1784 | if (bfd_mach_o_scan (abfd, &header, |
1785 | (bfd_mach_o_data_struct *) preserve.marker) != 0) | |
1786 | goto wrong; | |
a95a4550 | 1787 | |
e84d6fca | 1788 | bfd_preserve_finish (abfd, &preserve); |
3af9a47b | 1789 | return abfd->xvec; |
e84d6fca AM |
1790 | |
1791 | wrong: | |
1792 | bfd_set_error (bfd_error_wrong_format); | |
1793 | ||
1794 | fail: | |
1795 | if (preserve.marker != NULL) | |
1796 | bfd_preserve_restore (abfd, &preserve); | |
1797 | return NULL; | |
3af9a47b NC |
1798 | } |
1799 | ||
1800 | const bfd_target * | |
1801 | bfd_mach_o_core_p (abfd) | |
1802 | bfd *abfd; | |
1803 | { | |
e84d6fca | 1804 | struct bfd_preserve preserve; |
3af9a47b NC |
1805 | bfd_mach_o_header header; |
1806 | ||
e84d6fca | 1807 | preserve.marker = NULL; |
3af9a47b | 1808 | if (bfd_mach_o_read_header (abfd, &header) != 0) |
e84d6fca | 1809 | goto wrong; |
3af9a47b | 1810 | |
e84d6fca AM |
1811 | if (! (header.byteorder == BFD_ENDIAN_BIG |
1812 | || header.byteorder == BFD_ENDIAN_LITTLE)) | |
3af9a47b | 1813 | { |
e84d6fca AM |
1814 | fprintf (stderr, "unknown header byte-order value 0x%lx\n", |
1815 | (long) header.byteorder); | |
3af9a47b NC |
1816 | abort (); |
1817 | } | |
1818 | ||
e84d6fca AM |
1819 | if (! ((header.byteorder == BFD_ENDIAN_BIG |
1820 | && abfd->xvec->byteorder == BFD_ENDIAN_BIG | |
1821 | && abfd->xvec->header_byteorder == BFD_ENDIAN_BIG) | |
1822 | || (header.byteorder == BFD_ENDIAN_LITTLE | |
1823 | && abfd->xvec->byteorder == BFD_ENDIAN_LITTLE | |
1824 | && abfd->xvec->header_byteorder == BFD_ENDIAN_LITTLE))) | |
1825 | goto wrong; | |
3af9a47b NC |
1826 | |
1827 | if (header.filetype != BFD_MACH_O_MH_CORE) | |
e84d6fca | 1828 | goto wrong; |
3af9a47b | 1829 | |
e84d6fca AM |
1830 | preserve.marker = bfd_zalloc (abfd, sizeof (bfd_mach_o_data_struct)); |
1831 | if (preserve.marker == NULL | |
1832 | || !bfd_preserve_save (abfd, &preserve)) | |
1833 | goto fail; | |
a95a4550 | 1834 | |
e84d6fca AM |
1835 | if (bfd_mach_o_scan (abfd, &header, |
1836 | (bfd_mach_o_data_struct *) preserve.marker) != 0) | |
1837 | goto wrong; | |
1838 | ||
1839 | bfd_preserve_finish (abfd, &preserve); | |
3af9a47b | 1840 | return abfd->xvec; |
e84d6fca AM |
1841 | |
1842 | wrong: | |
1843 | bfd_set_error (bfd_error_wrong_format); | |
1844 | ||
1845 | fail: | |
1846 | if (preserve.marker != NULL) | |
1847 | bfd_preserve_restore (abfd, &preserve); | |
1848 | return NULL; | |
3af9a47b NC |
1849 | } |
1850 | ||
1851 | typedef struct mach_o_fat_archentry | |
1852 | { | |
1853 | unsigned long cputype; | |
1854 | unsigned long cpusubtype; | |
1855 | unsigned long offset; | |
1856 | unsigned long size; | |
1857 | unsigned long align; | |
1858 | bfd *abfd; | |
1859 | } mach_o_fat_archentry; | |
1860 | ||
1861 | typedef struct mach_o_fat_data_struct | |
1862 | { | |
1863 | unsigned long magic; | |
1864 | unsigned long nfat_arch; | |
1865 | mach_o_fat_archentry *archentries; | |
1866 | } mach_o_fat_data_struct; | |
1867 | ||
1868 | const bfd_target * | |
1869 | bfd_mach_o_archive_p (abfd) | |
1870 | bfd *abfd; | |
1871 | { | |
e84d6fca | 1872 | mach_o_fat_data_struct *adata = NULL; |
3af9a47b NC |
1873 | unsigned char buf[20]; |
1874 | unsigned long i; | |
1875 | ||
1876 | bfd_seek (abfd, 0, SEEK_SET); | |
1877 | if (bfd_bread ((PTR) buf, 8, abfd) != 8) | |
e84d6fca | 1878 | goto error; |
3af9a47b | 1879 | |
a95a4550 | 1880 | adata = (mach_o_fat_data_struct *) |
3af9a47b NC |
1881 | bfd_alloc (abfd, sizeof (mach_o_fat_data_struct)); |
1882 | if (adata == NULL) | |
e84d6fca | 1883 | goto error; |
a95a4550 | 1884 | |
3af9a47b NC |
1885 | adata->magic = bfd_getb32 (buf); |
1886 | adata->nfat_arch = bfd_getb32 (buf + 4); | |
1887 | if (adata->magic != 0xcafebabe) | |
e84d6fca | 1888 | goto error; |
3af9a47b | 1889 | |
a95a4550 | 1890 | adata->archentries = (mach_o_fat_archentry *) |
3af9a47b NC |
1891 | bfd_alloc (abfd, adata->nfat_arch * sizeof (mach_o_fat_archentry)); |
1892 | if (adata->archentries == NULL) | |
e84d6fca | 1893 | goto error; |
3af9a47b NC |
1894 | |
1895 | for (i = 0; i < adata->nfat_arch; i++) | |
1896 | { | |
1897 | bfd_seek (abfd, 8 + 20 * i, SEEK_SET); | |
1898 | ||
1899 | if (bfd_bread ((PTR) buf, 20, abfd) != 20) | |
e84d6fca | 1900 | goto error; |
3af9a47b NC |
1901 | adata->archentries[i].cputype = bfd_getb32 (buf); |
1902 | adata->archentries[i].cpusubtype = bfd_getb32 (buf + 4); | |
1903 | adata->archentries[i].offset = bfd_getb32 (buf + 8); | |
1904 | adata->archentries[i].size = bfd_getb32 (buf + 12); | |
1905 | adata->archentries[i].align = bfd_getb32 (buf + 16); | |
1906 | adata->archentries[i].abfd = NULL; | |
1907 | } | |
1908 | ||
1909 | abfd->tdata.mach_o_fat_data = adata; | |
1910 | return abfd->xvec; | |
e84d6fca AM |
1911 | |
1912 | error: | |
1913 | if (adata != NULL) | |
1914 | bfd_release (abfd, adata); | |
1915 | bfd_set_error (bfd_error_wrong_format); | |
1916 | return NULL; | |
3af9a47b NC |
1917 | } |
1918 | ||
1919 | bfd * | |
1920 | bfd_mach_o_openr_next_archived_file (archive, prev) | |
1921 | bfd *archive; | |
1922 | bfd *prev; | |
1923 | { | |
e84d6fca | 1924 | mach_o_fat_data_struct *adata; |
3af9a47b NC |
1925 | mach_o_fat_archentry *entry = NULL; |
1926 | unsigned long i; | |
1927 | ||
e84d6fca | 1928 | adata = (mach_o_fat_data_struct *) archive->tdata.mach_o_fat_data; |
3af9a47b NC |
1929 | BFD_ASSERT (adata != NULL); |
1930 | ||
1931 | /* Find index of previous entry. */ | |
1932 | if (prev == NULL) | |
1933 | i = 0; /* Start at first one. */ | |
1934 | else | |
1935 | { | |
1936 | for (i = 0; i < adata->nfat_arch; i++) | |
1937 | { | |
1938 | if (adata->archentries[i].abfd == prev) | |
1939 | break; | |
1940 | } | |
1941 | ||
1942 | if (i == adata->nfat_arch) | |
1943 | { | |
1944 | /* Not found. */ | |
1945 | bfd_set_error (bfd_error_bad_value); | |
a95a4550 | 1946 | return NULL; |
3af9a47b NC |
1947 | } |
1948 | i++; /* Get next entry. */ | |
1949 | } | |
a95a4550 | 1950 | |
3af9a47b NC |
1951 | if (i >= adata->nfat_arch) |
1952 | { | |
1953 | bfd_set_error (bfd_error_no_more_archived_files); | |
1954 | return NULL; | |
1955 | } | |
1956 | ||
1957 | entry = &adata->archentries[i]; | |
1958 | if (entry->abfd == NULL) | |
1959 | { | |
1960 | bfd *nbfd = _bfd_new_bfd_contained_in (archive); | |
1961 | char *s = NULL; | |
1962 | ||
1963 | if (nbfd == NULL) | |
1964 | return NULL; | |
1965 | ||
1966 | nbfd->origin = entry->offset; | |
1967 | s = bfd_malloc (strlen (archive->filename) + 1); | |
1968 | if (s == NULL) | |
1969 | return NULL; | |
1970 | strcpy (s, archive->filename); | |
1971 | nbfd->filename = s; | |
1972 | nbfd->iostream = NULL; | |
1973 | entry->abfd = nbfd; | |
1974 | } | |
1975 | ||
1976 | return entry->abfd; | |
1977 | } | |
1978 | ||
e84d6fca AM |
1979 | int |
1980 | bfd_mach_o_lookup_section (abfd, section, mcommand, msection) | |
1981 | bfd *abfd; | |
1982 | asection *section; | |
1983 | bfd_mach_o_load_command **mcommand; | |
1984 | bfd_mach_o_section **msection; | |
3af9a47b NC |
1985 | { |
1986 | struct mach_o_data_struct *md = abfd->tdata.mach_o_data; | |
1987 | unsigned int i, j, num; | |
1988 | ||
1989 | bfd_mach_o_load_command *ncmd = NULL; | |
1990 | bfd_mach_o_section *nsect = NULL; | |
1991 | ||
1992 | BFD_ASSERT (mcommand != NULL); | |
1993 | BFD_ASSERT (msection != NULL); | |
1994 | ||
1995 | num = 0; | |
1996 | for (i = 0; i < md->header.ncmds; i++) | |
1997 | { | |
1998 | struct bfd_mach_o_load_command *cmd = &md->commands[i]; | |
1999 | struct bfd_mach_o_segment_command *seg = NULL; | |
2000 | ||
2001 | if (cmd->type != BFD_MACH_O_LC_SEGMENT) | |
2002 | continue; | |
2003 | seg = &cmd->command.segment; | |
a95a4550 | 2004 | |
3af9a47b NC |
2005 | if (seg->segment == section) |
2006 | { | |
2007 | if (num == 0) | |
2008 | ncmd = cmd; | |
2009 | num++; | |
2010 | } | |
2011 | ||
2012 | for (j = 0; j < seg->nsects; j++) | |
2013 | { | |
2014 | struct bfd_mach_o_section *sect = &seg->sections[j]; | |
2015 | ||
2016 | if (sect->bfdsection == section) | |
2017 | { | |
2018 | if (num == 0) | |
2019 | nsect = sect; | |
2020 | num++; | |
2021 | } | |
2022 | } | |
2023 | } | |
a95a4550 | 2024 | |
3af9a47b NC |
2025 | *mcommand = ncmd; |
2026 | *msection = nsect; | |
2027 | return num; | |
2028 | } | |
2029 | ||
2030 | int | |
e84d6fca AM |
2031 | bfd_mach_o_lookup_command (abfd, type, mcommand) |
2032 | bfd *abfd; | |
2033 | bfd_mach_o_load_command_type type; | |
2034 | bfd_mach_o_load_command **mcommand; | |
3af9a47b NC |
2035 | { |
2036 | struct mach_o_data_struct *md = NULL; | |
2037 | bfd_mach_o_load_command *ncmd = NULL; | |
2038 | unsigned int i, num; | |
2039 | ||
2040 | md = abfd->tdata.mach_o_data; | |
2041 | ||
2042 | BFD_ASSERT (md != NULL); | |
2043 | BFD_ASSERT (mcommand != NULL); | |
2044 | ||
2045 | num = 0; | |
2046 | for (i = 0; i < md->header.ncmds; i++) | |
2047 | { | |
2048 | struct bfd_mach_o_load_command *cmd = &md->commands[i]; | |
2049 | ||
2050 | if (cmd->type != type) | |
2051 | continue; | |
2052 | ||
2053 | if (num == 0) | |
2054 | ncmd = cmd; | |
2055 | num++; | |
2056 | } | |
2057 | ||
2058 | *mcommand = ncmd; | |
2059 | return num; | |
2060 | } | |
2061 | ||
2062 | unsigned long | |
2063 | bfd_mach_o_stack_addr (type) | |
2064 | enum bfd_mach_o_cpu_type type; | |
2065 | { | |
2066 | switch (type) | |
2067 | { | |
2068 | case BFD_MACH_O_CPU_TYPE_MC680x0: | |
2069 | return 0x04000000; | |
2070 | case BFD_MACH_O_CPU_TYPE_MC88000: | |
2071 | return 0xffffe000; | |
2072 | case BFD_MACH_O_CPU_TYPE_POWERPC: | |
2073 | return 0xc0000000; | |
2074 | case BFD_MACH_O_CPU_TYPE_I386: | |
2075 | return 0xc0000000; | |
2076 | case BFD_MACH_O_CPU_TYPE_SPARC: | |
2077 | return 0xf0000000; | |
2078 | case BFD_MACH_O_CPU_TYPE_I860: | |
2079 | return 0; | |
2080 | case BFD_MACH_O_CPU_TYPE_HPPA: | |
e84d6fca | 2081 | return 0xc0000000 - 0x04000000; |
3af9a47b NC |
2082 | default: |
2083 | return 0; | |
2084 | } | |
2085 | } | |
2086 | ||
2087 | int | |
2088 | bfd_mach_o_core_fetch_environment (abfd, rbuf, rlen) | |
2089 | bfd *abfd; | |
2090 | unsigned char **rbuf; | |
2091 | unsigned int *rlen; | |
2092 | { | |
2093 | bfd_mach_o_data_struct *mdata = abfd->tdata.mach_o_data; | |
2094 | unsigned long stackaddr = bfd_mach_o_stack_addr (mdata->header.cputype); | |
2095 | unsigned int i = 0; | |
2096 | ||
2097 | for (i = 0; i < mdata->header.ncmds; i++) | |
2098 | { | |
2099 | bfd_mach_o_load_command *cur = &mdata->commands[i]; | |
2100 | bfd_mach_o_segment_command *seg = NULL; | |
2101 | ||
2102 | if (cur->type != BFD_MACH_O_LC_SEGMENT) | |
2103 | continue; | |
2104 | ||
2105 | seg = &cur->command.segment; | |
2106 | ||
2107 | if ((seg->vmaddr + seg->vmsize) == stackaddr) | |
2108 | { | |
2109 | unsigned long start = seg->fileoff; | |
2110 | unsigned long end = seg->fileoff + seg->filesize; | |
2111 | unsigned char *buf = bfd_malloc (1024); | |
2112 | unsigned long size = 1024; | |
2113 | ||
2114 | for (;;) | |
2115 | { | |
2116 | bfd_size_type nread = 0; | |
2117 | unsigned long offset; | |
2118 | int found_nonnull = 0; | |
2119 | ||
2120 | if (size > (end - start)) | |
2121 | size = (end - start); | |
2122 | ||
2123 | buf = bfd_realloc (buf, size); | |
2124 | ||
2125 | bfd_seek (abfd, end - size, SEEK_SET); | |
2126 | nread = bfd_bread (buf, size, abfd); | |
a95a4550 | 2127 | |
3af9a47b NC |
2128 | if (nread != size) |
2129 | return -1; | |
a95a4550 | 2130 | |
3af9a47b NC |
2131 | for (offset = 4; offset <= size; offset += 4) |
2132 | { | |
e84d6fca | 2133 | unsigned long val; |
3af9a47b | 2134 | |
e84d6fca | 2135 | val = *((unsigned long *) (buf + size - offset)); |
3af9a47b NC |
2136 | if (! found_nonnull) |
2137 | { | |
2138 | if (val != 0) | |
2139 | found_nonnull = 1; | |
2140 | } | |
2141 | else if (val == 0x0) | |
2142 | { | |
e84d6fca AM |
2143 | unsigned long bottom; |
2144 | unsigned long top; | |
3af9a47b | 2145 | |
e84d6fca AM |
2146 | bottom = seg->fileoff + seg->filesize - offset; |
2147 | top = seg->fileoff + seg->filesize - 4; | |
3af9a47b NC |
2148 | *rbuf = bfd_malloc (top - bottom); |
2149 | *rlen = top - bottom; | |
2150 | ||
2151 | memcpy (*rbuf, buf + size - *rlen, *rlen); | |
2152 | return 0; | |
2153 | } | |
2154 | } | |
2155 | ||
2156 | if (size == (end - start)) | |
2157 | break; | |
2158 | ||
2159 | size *= 2; | |
2160 | } | |
2161 | } | |
2162 | } | |
2163 | ||
2164 | return -1; | |
2165 | } | |
2166 | ||
2167 | char * | |
2168 | bfd_mach_o_core_file_failing_command (abfd) | |
2169 | bfd *abfd; | |
2170 | { | |
2171 | unsigned char *buf = NULL; | |
2172 | unsigned int len = 0; | |
2173 | int ret = -1; | |
2174 | ||
2175 | ret = bfd_mach_o_core_fetch_environment (abfd, &buf, &len); | |
2176 | if (ret < 0) | |
2177 | return NULL; | |
2178 | ||
2179 | return buf; | |
2180 | } | |
2181 | ||
2182 | int | |
2183 | bfd_mach_o_core_file_failing_signal (abfd) | |
2184 | bfd *abfd ATTRIBUTE_UNUSED; | |
2185 | { | |
2186 | return 0; | |
2187 | } | |
2188 | ||
b34976b6 | 2189 | bfd_boolean |
3af9a47b NC |
2190 | bfd_mach_o_core_file_matches_executable_p (core_bfd, exec_bfd) |
2191 | bfd *core_bfd ATTRIBUTE_UNUSED; | |
2192 | bfd *exec_bfd ATTRIBUTE_UNUSED; | |
2193 | { | |
b34976b6 | 2194 | return TRUE; |
3af9a47b NC |
2195 | } |
2196 | ||
2197 | #define TARGET_NAME mach_o_be_vec | |
2198 | #define TARGET_STRING "mach-o-be" | |
2199 | #define TARGET_BIG_ENDIAN 1 | |
2200 | #define TARGET_ARCHIVE 0 | |
2201 | ||
2202 | #include "mach-o-target.c" | |
2203 | ||
2204 | #undef TARGET_NAME | |
2205 | #undef TARGET_STRING | |
2206 | #undef TARGET_BIG_ENDIAN | |
2207 | #undef TARGET_ARCHIVE | |
2208 | ||
2209 | #define TARGET_NAME mach_o_le_vec | |
2210 | #define TARGET_STRING "mach-o-le" | |
2211 | #define TARGET_BIG_ENDIAN 0 | |
2212 | #define TARGET_ARCHIVE 0 | |
2213 | ||
2214 | #include "mach-o-target.c" | |
2215 | ||
2216 | #undef TARGET_NAME | |
2217 | #undef TARGET_STRING | |
2218 | #undef TARGET_BIG_ENDIAN | |
2219 | #undef TARGET_ARCHIVE | |
2220 | ||
2221 | #define TARGET_NAME mach_o_fat_vec | |
2222 | #define TARGET_STRING "mach-o-fat" | |
2223 | #define TARGET_BIG_ENDIAN 1 | |
2224 | #define TARGET_ARCHIVE 1 | |
2225 | ||
2226 | #include "mach-o-target.c" | |
2227 | ||
2228 | #undef TARGET_NAME | |
2229 | #undef TARGET_STRING | |
2230 | #undef TARGET_BIG_ENDIAN | |
2231 | #undef TARGET_ARCHIVE |