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a80b95ba | 1 | /* Darwin support for GDB, the GNU debugger. |
618f726f | 2 | Copyright (C) 2008-2016 Free Software Foundation, Inc. |
a80b95ba TG |
3 | |
4 | Contributed by AdaCore. | |
5 | ||
6 | This file is part of GDB. | |
7 | ||
8 | This program is free software; you can redistribute it and/or modify | |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 3 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | This program is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
47d48711 | 19 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
a80b95ba TG |
20 | |
21 | #include "defs.h" | |
22 | #include "symtab.h" | |
23 | #include "gdbtypes.h" | |
24 | #include "bfd.h" | |
25 | #include "symfile.h" | |
26 | #include "objfiles.h" | |
27 | #include "buildsym.h" | |
28 | #include "gdbcmd.h" | |
29 | #include "gdbcore.h" | |
30 | #include "mach-o.h" | |
a80b95ba TG |
31 | #include "aout/stab_gnu.h" |
32 | #include "vec.h" | |
ccefe4c4 | 33 | #include "psympriv.h" |
e4c5f296 | 34 | #include "complaints.h" |
29f77997 | 35 | #include "gdb_bfd.h" |
a80b95ba | 36 | |
a80b95ba | 37 | /* If non-zero displays debugging message. */ |
ccce17b0 | 38 | static unsigned int mach_o_debug_level = 0; |
a80b95ba | 39 | |
a80b95ba TG |
40 | /* Dwarf debugging information are never in the final executable. They stay |
41 | in object files and the executable contains the list of object files read | |
42 | during the link. | |
43 | Each time an oso (other source) is found in the executable, the reader | |
44 | creates such a structure. They are read after the processing of the | |
025bb325 MS |
45 | executable. */ |
46 | ||
a80b95ba TG |
47 | typedef struct oso_el |
48 | { | |
e4c5f296 | 49 | /* Object file name. Can also be a member name. */ |
a80b95ba TG |
50 | const char *name; |
51 | ||
52 | /* Associated time stamp. */ | |
53 | unsigned long mtime; | |
54 | ||
e4c5f296 TG |
55 | /* Stab symbols range for this OSO. */ |
56 | asymbol **oso_sym; | |
57 | asymbol **end_sym; | |
a80b95ba | 58 | |
e4c5f296 TG |
59 | /* Number of interesting stabs in the range. */ |
60 | unsigned int nbr_syms; | |
a80b95ba TG |
61 | } |
62 | oso_el; | |
63 | ||
8b89a20a | 64 | /* Vector of object files to be read after the executable. */ |
a80b95ba | 65 | DEF_VEC_O (oso_el); |
a80b95ba | 66 | |
2d33f7b8 TG |
67 | static void |
68 | macho_new_init (struct objfile *objfile) | |
69 | { | |
70 | } | |
71 | ||
72 | static void | |
73 | macho_symfile_init (struct objfile *objfile) | |
74 | { | |
75 | objfile->flags |= OBJF_REORDERED; | |
2d33f7b8 TG |
76 | } |
77 | ||
78 | /* Add a new OSO to the vector of OSO to load. */ | |
f192ea96 | 79 | |
a80b95ba | 80 | static void |
8b89a20a JB |
81 | macho_register_oso (VEC (oso_el) **oso_vector_ptr, |
82 | struct objfile *objfile, | |
e4c5f296 TG |
83 | asymbol **oso_sym, asymbol **end_sym, |
84 | unsigned int nbr_syms) | |
a80b95ba TG |
85 | { |
86 | oso_el el; | |
87 | ||
e4c5f296 TG |
88 | el.name = (*oso_sym)->name; |
89 | el.mtime = (*oso_sym)->value; | |
90 | el.oso_sym = oso_sym; | |
91 | el.end_sym = end_sym; | |
92 | el.nbr_syms = nbr_syms; | |
8b89a20a | 93 | VEC_safe_push (oso_el, *oso_vector_ptr, &el); |
a80b95ba TG |
94 | } |
95 | ||
e4c5f296 TG |
96 | /* Add symbol SYM to the minimal symbol table of OBJFILE. */ |
97 | ||
98 | static void | |
99 | macho_symtab_add_minsym (struct objfile *objfile, const asymbol *sym) | |
100 | { | |
101 | if (sym->name == NULL || *sym->name == '\0') | |
102 | { | |
103 | /* Skip names that don't exist (shouldn't happen), or names | |
104 | that are null strings (may happen). */ | |
105 | return; | |
106 | } | |
107 | ||
108 | if (sym->flags & (BSF_GLOBAL | BSF_LOCAL | BSF_WEAK)) | |
109 | { | |
110 | CORE_ADDR symaddr; | |
e4c5f296 TG |
111 | enum minimal_symbol_type ms_type; |
112 | ||
e4c5f296 TG |
113 | /* Bfd symbols are section relative. */ |
114 | symaddr = sym->value + sym->section->vma; | |
115 | ||
45dfa85a | 116 | if (sym->section == bfd_abs_section_ptr) |
e4c5f296 TG |
117 | ms_type = mst_abs; |
118 | else if (sym->section->flags & SEC_CODE) | |
119 | { | |
120 | if (sym->flags & (BSF_GLOBAL | BSF_WEAK)) | |
121 | ms_type = mst_text; | |
122 | else | |
123 | ms_type = mst_file_text; | |
124 | } | |
125 | else if (sym->section->flags & SEC_ALLOC) | |
126 | { | |
127 | if (sym->flags & (BSF_GLOBAL | BSF_WEAK)) | |
128 | { | |
129 | if (sym->section->flags & SEC_LOAD) | |
130 | ms_type = mst_data; | |
131 | else | |
132 | ms_type = mst_bss; | |
133 | } | |
134 | else if (sym->flags & BSF_LOCAL) | |
135 | { | |
136 | /* Not a special stabs-in-elf symbol, do regular | |
137 | symbol processing. */ | |
138 | if (sym->section->flags & SEC_LOAD) | |
139 | ms_type = mst_file_data; | |
140 | else | |
141 | ms_type = mst_file_bss; | |
142 | } | |
143 | else | |
144 | ms_type = mst_unknown; | |
145 | } | |
146 | else | |
147 | return; /* Skip this symbol. */ | |
148 | ||
149 | prim_record_minimal_symbol_and_info | |
65cf3563 TT |
150 | (sym->name, symaddr, ms_type, |
151 | gdb_bfd_section_index (objfile->obfd, sym->section), | |
e6dc44a8 | 152 | objfile); |
e4c5f296 TG |
153 | } |
154 | } | |
155 | ||
a80b95ba | 156 | /* Build the minimal symbol table from SYMBOL_TABLE of length |
e4c5f296 | 157 | NUMBER_OF_SYMBOLS for OBJFILE. Registers OSO filenames found. */ |
f192ea96 | 158 | |
a80b95ba TG |
159 | static void |
160 | macho_symtab_read (struct objfile *objfile, | |
8b89a20a JB |
161 | long number_of_symbols, asymbol **symbol_table, |
162 | VEC (oso_el) **oso_vector_ptr) | |
a80b95ba | 163 | { |
e4c5f296 | 164 | long i; |
e4c5f296 TG |
165 | const asymbol *file_so = NULL; |
166 | asymbol **oso_file = NULL; | |
b0d32fb6 | 167 | unsigned int nbr_syms = 0; |
a80b95ba | 168 | |
e4c5f296 TG |
169 | /* Current state while reading stabs. */ |
170 | enum | |
171 | { | |
172 | /* Not within an SO part. Only non-debugging symbols should be present, | |
173 | and will be added to the minimal symbols table. */ | |
174 | S_NO_SO, | |
bb00b29d | 175 | |
e4c5f296 TG |
176 | /* First SO read. Introduce an SO section, and may be followed by a second |
177 | SO. The SO section should contain onl debugging symbols. */ | |
178 | S_FIRST_SO, | |
a80b95ba | 179 | |
e4c5f296 TG |
180 | /* Second non-null SO found, just after the first one. Means that the first |
181 | is in fact a directory name. */ | |
182 | S_SECOND_SO, | |
a80b95ba | 183 | |
e4c5f296 TG |
184 | /* Non-null OSO found. Debugging info are DWARF in this OSO file. */ |
185 | S_DWARF_FILE, | |
3188d986 | 186 | |
e4c5f296 TG |
187 | S_STAB_FILE |
188 | } state = S_NO_SO; | |
a80b95ba | 189 | |
e4c5f296 TG |
190 | for (i = 0; i < number_of_symbols; i++) |
191 | { | |
192 | const asymbol *sym = symbol_table[i]; | |
193 | bfd_mach_o_asymbol *mach_o_sym = (bfd_mach_o_asymbol *)sym; | |
a80b95ba | 194 | |
e4c5f296 TG |
195 | switch (state) |
196 | { | |
197 | case S_NO_SO: | |
198 | if (mach_o_sym->n_type == N_SO) | |
199 | { | |
200 | /* Start of object stab. */ | |
201 | if (sym->name == NULL || sym->name[0] == 0) | |
202 | { | |
203 | /* Unexpected empty N_SO. */ | |
204 | complaint (&symfile_complaints, | |
205 | _("Unexpected empty N_SO stab")); | |
206 | } | |
207 | else | |
208 | { | |
209 | file_so = sym; | |
e4c5f296 TG |
210 | state = S_FIRST_SO; |
211 | } | |
212 | } | |
213 | else if (sym->flags & BSF_DEBUGGING) | |
214 | { | |
13b8d0c6 TG |
215 | if (mach_o_sym->n_type == N_OPT) |
216 | { | |
217 | /* No complaint for OPT. */ | |
218 | break; | |
219 | } | |
220 | ||
e4c5f296 TG |
221 | /* Debugging symbols are not expected here. */ |
222 | complaint (&symfile_complaints, | |
13b8d0c6 | 223 | _("%s: Unexpected debug stab outside SO markers"), |
4262abfb | 224 | objfile_name (objfile)); |
e4c5f296 TG |
225 | } |
226 | else | |
227 | { | |
228 | /* Non-debugging symbols go to the minimal symbol table. */ | |
229 | macho_symtab_add_minsym (objfile, sym); | |
230 | } | |
231 | break; | |
a80b95ba | 232 | |
e4c5f296 TG |
233 | case S_FIRST_SO: |
234 | case S_SECOND_SO: | |
235 | if (mach_o_sym->n_type == N_SO) | |
236 | { | |
237 | if (sym->name == NULL || sym->name[0] == 0) | |
238 | { | |
239 | /* Unexpected empty N_SO. */ | |
240 | complaint (&symfile_complaints, _("Empty SO section")); | |
241 | state = S_NO_SO; | |
242 | } | |
243 | else if (state == S_FIRST_SO) | |
244 | { | |
245 | /* Second SO stab for the file name. */ | |
e4c5f296 TG |
246 | file_so = sym; |
247 | state = S_SECOND_SO; | |
248 | } | |
249 | else | |
250 | complaint (&symfile_complaints, _("Three SO in a raw")); | |
251 | } | |
252 | else if (mach_o_sym->n_type == N_OSO) | |
253 | { | |
254 | if (sym->name == NULL || sym->name[0] == 0) | |
255 | { | |
256 | /* Empty OSO. Means that this file was compiled with | |
257 | stabs. */ | |
258 | state = S_STAB_FILE; | |
259 | warning (_("stabs debugging not supported for %s"), | |
260 | file_so->name); | |
261 | } | |
262 | else | |
263 | { | |
264 | /* Non-empty OSO for a Dwarf file. */ | |
265 | oso_file = symbol_table + i; | |
266 | nbr_syms = 0; | |
267 | state = S_DWARF_FILE; | |
268 | } | |
269 | } | |
270 | else | |
271 | complaint (&symfile_complaints, | |
272 | _("Unexpected stab after SO")); | |
273 | break; | |
a80b95ba | 274 | |
e4c5f296 TG |
275 | case S_STAB_FILE: |
276 | case S_DWARF_FILE: | |
277 | if (mach_o_sym->n_type == N_SO) | |
278 | { | |
279 | if (sym->name == NULL || sym->name[0] == 0) | |
280 | { | |
281 | /* End of file. */ | |
282 | if (state == S_DWARF_FILE) | |
8b89a20a JB |
283 | macho_register_oso (oso_vector_ptr, objfile, |
284 | oso_file, symbol_table + i, | |
e4c5f296 TG |
285 | nbr_syms); |
286 | state = S_NO_SO; | |
287 | } | |
288 | else | |
289 | { | |
290 | complaint (&symfile_complaints, _("Missing nul SO")); | |
291 | file_so = sym; | |
e4c5f296 TG |
292 | state = S_FIRST_SO; |
293 | } | |
294 | } | |
295 | else if (sym->flags & BSF_DEBUGGING) | |
296 | { | |
297 | if (state == S_STAB_FILE) | |
298 | { | |
299 | /* FIXME: to be implemented. */ | |
300 | } | |
301 | else | |
302 | { | |
303 | switch (mach_o_sym->n_type) | |
304 | { | |
305 | case N_FUN: | |
306 | if (sym->name == NULL || sym->name[0] == 0) | |
307 | break; | |
308 | /* Fall through. */ | |
309 | case N_STSYM: | |
310 | /* Interesting symbol. */ | |
311 | nbr_syms++; | |
312 | break; | |
313 | case N_ENSYM: | |
314 | case N_BNSYM: | |
315 | case N_GSYM: | |
316 | break; | |
317 | default: | |
318 | complaint (&symfile_complaints, | |
319 | _("unhandled stab for dwarf OSO file")); | |
320 | break; | |
321 | } | |
322 | } | |
323 | } | |
324 | else | |
325 | complaint (&symfile_complaints, | |
326 | _("non-debugging symbol within SO")); | |
327 | break; | |
328 | } | |
a80b95ba TG |
329 | } |
330 | ||
e4c5f296 TG |
331 | if (state != S_NO_SO) |
332 | complaint (&symfile_complaints, _("missing nul SO")); | |
a80b95ba TG |
333 | } |
334 | ||
335 | /* If NAME describes an archive member (ie: ARCHIVE '(' MEMBER ')'), | |
336 | returns the length of the archive name. | |
337 | Returns -1 otherwise. */ | |
f192ea96 | 338 | |
a80b95ba TG |
339 | static int |
340 | get_archive_prefix_len (const char *name) | |
341 | { | |
2e7bf1d7 | 342 | const char *lparen; |
a80b95ba TG |
343 | int name_len = strlen (name); |
344 | ||
345 | if (name_len == 0 || name[name_len - 1] != ')') | |
346 | return -1; | |
e4c5f296 | 347 | |
a80b95ba TG |
348 | lparen = strrchr (name, '('); |
349 | if (lparen == NULL || lparen == name) | |
350 | return -1; | |
351 | return lparen - name; | |
352 | } | |
353 | ||
e4c5f296 TG |
354 | /* Compare function to qsort OSOs, so that members of a library are |
355 | gathered. */ | |
356 | ||
f192ea96 TG |
357 | static int |
358 | oso_el_compare_name (const void *vl, const void *vr) | |
359 | { | |
360 | const oso_el *l = (const oso_el *)vl; | |
361 | const oso_el *r = (const oso_el *)vr; | |
362 | ||
363 | return strcmp (l->name, r->name); | |
364 | } | |
365 | ||
e4c5f296 TG |
366 | /* Hash table entry structure for the stabs symbols in the main object file. |
367 | This is used to speed up lookup for symbols in the OSO. */ | |
38947cca | 368 | |
e4c5f296 TG |
369 | struct macho_sym_hash_entry |
370 | { | |
371 | struct bfd_hash_entry base; | |
372 | const asymbol *sym; | |
373 | }; | |
38947cca | 374 | |
e4c5f296 | 375 | /* Routine to create an entry in the hash table. */ |
38947cca | 376 | |
e4c5f296 TG |
377 | static struct bfd_hash_entry * |
378 | macho_sym_hash_newfunc (struct bfd_hash_entry *entry, | |
379 | struct bfd_hash_table *table, | |
380 | const char *string) | |
38947cca | 381 | { |
e4c5f296 TG |
382 | struct macho_sym_hash_entry *ret = (struct macho_sym_hash_entry *) entry; |
383 | ||
384 | /* Allocate the structure if it has not already been allocated by a | |
385 | subclass. */ | |
386 | if (ret == NULL) | |
387 | ret = (struct macho_sym_hash_entry *) bfd_hash_allocate (table, | |
388 | sizeof (* ret)); | |
389 | if (ret == NULL) | |
390 | return NULL; | |
38947cca | 391 | |
e4c5f296 TG |
392 | /* Call the allocation method of the superclass. */ |
393 | ret = (struct macho_sym_hash_entry *) | |
394 | bfd_hash_newfunc ((struct bfd_hash_entry *) ret, table, string); | |
38947cca | 395 | |
e4c5f296 | 396 | if (ret) |
38947cca | 397 | { |
e4c5f296 TG |
398 | /* Initialize the local fields. */ |
399 | ret->sym = NULL; | |
400 | } | |
38947cca | 401 | |
e4c5f296 TG |
402 | return (struct bfd_hash_entry *) ret; |
403 | } | |
38947cca | 404 | |
e4c5f296 TG |
405 | /* Get the value of SYM from the minimal symtab of MAIN_OBJFILE. This is used |
406 | to get the value of global and common symbols. */ | |
38947cca | 407 | |
e4c5f296 TG |
408 | static CORE_ADDR |
409 | macho_resolve_oso_sym_with_minsym (struct objfile *main_objfile, asymbol *sym) | |
410 | { | |
411 | /* For common symbol and global symbols, use the min symtab. */ | |
3b7344d5 | 412 | struct bound_minimal_symbol msym; |
e4c5f296 TG |
413 | const char *name = sym->name; |
414 | ||
415 | if (name[0] == bfd_get_symbol_leading_char (main_objfile->obfd)) | |
416 | ++name; | |
417 | msym = lookup_minimal_symbol (name, NULL, main_objfile); | |
3b7344d5 | 418 | if (msym.minsym == NULL) |
e4c5f296 TG |
419 | { |
420 | warning (_("can't find symbol '%s' in minsymtab"), name); | |
421 | return 0; | |
38947cca | 422 | } |
e4c5f296 | 423 | else |
77e371c0 | 424 | return BMSYMBOL_VALUE_ADDRESS (msym); |
38947cca JB |
425 | } |
426 | ||
e4c5f296 | 427 | /* Add oso file OSO/ABFD as a symbol file. */ |
f192ea96 TG |
428 | |
429 | static void | |
24ba069a | 430 | macho_add_oso_symfile (oso_el *oso, bfd *abfd, const char *name, |
bdfed3bc | 431 | struct objfile *main_objfile, int symfile_flags) |
f192ea96 | 432 | { |
e4c5f296 | 433 | int storage; |
f192ea96 | 434 | int i; |
e4c5f296 TG |
435 | asymbol **symbol_table; |
436 | asymbol **symp; | |
437 | struct bfd_hash_table table; | |
438 | int nbr_sections; | |
8ac244b4 | 439 | struct cleanup *cleanup; |
e4c5f296 TG |
440 | |
441 | /* Per section flag to mark which section have been rebased. */ | |
442 | unsigned char *sections_rebased; | |
f192ea96 TG |
443 | |
444 | if (mach_o_debug_level > 0) | |
e4c5f296 TG |
445 | printf_unfiltered |
446 | (_("Loading debugging symbols from oso: %s\n"), oso->name); | |
2d33f7b8 | 447 | |
f192ea96 TG |
448 | if (!bfd_check_format (abfd, bfd_object)) |
449 | { | |
450 | warning (_("`%s': can't read symbols: %s."), oso->name, | |
451 | bfd_errmsg (bfd_get_error ())); | |
cbb099e8 | 452 | gdb_bfd_unref (abfd); |
f192ea96 TG |
453 | return; |
454 | } | |
455 | ||
e4c5f296 TG |
456 | if (abfd->my_archive == NULL && oso->mtime != bfd_get_mtime (abfd)) |
457 | { | |
458 | warning (_("`%s': file time stamp mismatch."), oso->name); | |
cbb099e8 | 459 | gdb_bfd_unref (abfd); |
e4c5f296 TG |
460 | return; |
461 | } | |
462 | ||
463 | if (!bfd_hash_table_init_n (&table, macho_sym_hash_newfunc, | |
464 | sizeof (struct macho_sym_hash_entry), | |
465 | oso->nbr_syms)) | |
466 | { | |
467 | warning (_("`%s': can't create hash table"), oso->name); | |
cbb099e8 | 468 | gdb_bfd_unref (abfd); |
e4c5f296 TG |
469 | return; |
470 | } | |
471 | ||
f192ea96 | 472 | bfd_set_cacheable (abfd, 1); |
f18b4cab | 473 | |
e4c5f296 TG |
474 | /* Read symbols table. */ |
475 | storage = bfd_get_symtab_upper_bound (abfd); | |
476 | symbol_table = (asymbol **) xmalloc (storage); | |
477 | bfd_canonicalize_symtab (abfd, symbol_table); | |
f192ea96 | 478 | |
e4c5f296 TG |
479 | /* Init section flags. */ |
480 | nbr_sections = bfd_count_sections (abfd); | |
481 | sections_rebased = (unsigned char *) alloca (nbr_sections); | |
482 | for (i = 0; i < nbr_sections; i++) | |
483 | sections_rebased[i] = 0; | |
f192ea96 | 484 | |
e4c5f296 TG |
485 | /* Put symbols for the OSO file in the hash table. */ |
486 | for (symp = oso->oso_sym; symp != oso->end_sym; symp++) | |
f192ea96 | 487 | { |
e4c5f296 TG |
488 | const asymbol *sym = *symp; |
489 | bfd_mach_o_asymbol *mach_o_sym = (bfd_mach_o_asymbol *)sym; | |
f18b4cab | 490 | |
e4c5f296 | 491 | switch (mach_o_sym->n_type) |
f18b4cab | 492 | { |
e4c5f296 TG |
493 | case N_ENSYM: |
494 | case N_BNSYM: | |
495 | case N_GSYM: | |
496 | sym = NULL; | |
497 | break; | |
498 | case N_FUN: | |
499 | if (sym->name == NULL || sym->name[0] == 0) | |
500 | sym = NULL; | |
501 | break; | |
502 | case N_STSYM: | |
503 | break; | |
504 | default: | |
505 | sym = NULL; | |
506 | break; | |
507 | } | |
508 | if (sym != NULL) | |
509 | { | |
510 | struct macho_sym_hash_entry *ent; | |
511 | ||
512 | ent = (struct macho_sym_hash_entry *) | |
513 | bfd_hash_lookup (&table, sym->name, TRUE, FALSE); | |
514 | if (ent->sym != NULL) | |
515 | complaint (&symfile_complaints, | |
516 | _("Duplicated symbol %s in symbol table"), sym->name); | |
517 | else | |
f18b4cab | 518 | { |
e4c5f296 TG |
519 | if (mach_o_debug_level > 4) |
520 | { | |
521 | struct gdbarch *arch = get_objfile_arch (main_objfile); | |
522 | printf_unfiltered | |
523 | (_("Adding symbol %s (addr: %s)\n"), | |
524 | sym->name, paddress (arch, sym->value)); | |
525 | } | |
526 | ent->sym = sym; | |
f18b4cab | 527 | } |
f18b4cab | 528 | } |
e4c5f296 | 529 | } |
f18b4cab | 530 | |
e4c5f296 TG |
531 | /* Relocate symbols of the OSO. */ |
532 | for (i = 0; symbol_table[i]; i++) | |
533 | { | |
534 | asymbol *sym = symbol_table[i]; | |
535 | bfd_mach_o_asymbol *mach_o_sym = (bfd_mach_o_asymbol *)sym; | |
536 | ||
537 | if (mach_o_sym->n_type & BFD_MACH_O_N_STAB) | |
538 | continue; | |
539 | if ((mach_o_sym->n_type & BFD_MACH_O_N_TYPE) == BFD_MACH_O_N_UNDF | |
540 | && sym->value != 0) | |
f18b4cab | 541 | { |
e4c5f296 TG |
542 | /* For common symbol use the min symtab and modify the OSO |
543 | symbol table. */ | |
544 | CORE_ADDR res; | |
545 | ||
546 | res = macho_resolve_oso_sym_with_minsym (main_objfile, sym); | |
547 | if (res != 0) | |
548 | { | |
45dfa85a | 549 | sym->section = bfd_com_section_ptr; |
e4c5f296 TG |
550 | sym->value = res; |
551 | } | |
f18b4cab | 552 | } |
e4c5f296 TG |
553 | else if ((mach_o_sym->n_type & BFD_MACH_O_N_TYPE) == BFD_MACH_O_N_SECT) |
554 | { | |
555 | /* Normal symbol. */ | |
556 | asection *sec = sym->section; | |
557 | bfd_mach_o_section *msec; | |
558 | unsigned int sec_type; | |
559 | ||
560 | /* Skip buggy ones. */ | |
561 | if (sec == NULL || sections_rebased[sec->index] != 0) | |
562 | continue; | |
563 | ||
564 | /* Only consider regular, non-debugging sections. */ | |
565 | msec = bfd_mach_o_get_mach_o_section (sec); | |
566 | sec_type = msec->flags & BFD_MACH_O_SECTION_TYPE_MASK; | |
567 | if ((sec_type == BFD_MACH_O_S_REGULAR | |
568 | || sec_type == BFD_MACH_O_S_ZEROFILL) | |
569 | && (msec->flags & BFD_MACH_O_S_ATTR_DEBUG) == 0) | |
570 | { | |
571 | CORE_ADDR addr = 0; | |
572 | ||
573 | if ((mach_o_sym->n_type & BFD_MACH_O_N_EXT) != 0) | |
574 | { | |
575 | /* Use the min symtab for global symbols. */ | |
576 | addr = macho_resolve_oso_sym_with_minsym (main_objfile, sym); | |
577 | } | |
578 | else | |
579 | { | |
580 | struct macho_sym_hash_entry *ent; | |
581 | ||
582 | ent = (struct macho_sym_hash_entry *) | |
583 | bfd_hash_lookup (&table, sym->name, FALSE, FALSE); | |
584 | if (ent != NULL) | |
585 | addr = bfd_asymbol_value (ent->sym); | |
586 | } | |
f18b4cab | 587 | |
e4c5f296 TG |
588 | /* Adjust the section. */ |
589 | if (addr != 0) | |
590 | { | |
591 | CORE_ADDR res = addr - sym->value; | |
592 | ||
593 | if (mach_o_debug_level > 3) | |
594 | { | |
595 | struct gdbarch *arch = get_objfile_arch (main_objfile); | |
596 | printf_unfiltered | |
597 | (_("resolve sect %s with %s (set to %s)\n"), | |
598 | sec->name, sym->name, | |
599 | paddress (arch, res)); | |
600 | } | |
601 | bfd_set_section_vma (abfd, sec, res); | |
602 | sections_rebased[sec->index] = 1; | |
603 | } | |
604 | } | |
605 | else | |
606 | { | |
607 | /* Mark the section as never rebased. */ | |
608 | sections_rebased[sec->index] = 2; | |
609 | } | |
610 | } | |
f192ea96 TG |
611 | } |
612 | ||
e4c5f296 | 613 | bfd_hash_table_free (&table); |
38947cca | 614 | |
bdfed3bc TG |
615 | /* We need to clear SYMFILE_MAINLINE to avoid interractive question |
616 | from symfile.c:symbol_file_add_with_addrs_or_offsets. */ | |
8ac244b4 | 617 | cleanup = make_cleanup_bfd_unref (abfd); |
e4c5f296 | 618 | symbol_file_add_from_bfd |
24ba069a | 619 | (abfd, name, symfile_flags & ~(SYMFILE_MAINLINE | SYMFILE_VERBOSE), NULL, |
bdfed3bc | 620 | main_objfile->flags & (OBJF_REORDERED | OBJF_SHARED |
63524580 JK |
621 | | OBJF_READNOW | OBJF_USERLOADED), |
622 | main_objfile); | |
8ac244b4 | 623 | do_cleanups (cleanup); |
f192ea96 TG |
624 | } |
625 | ||
8b89a20a JB |
626 | /* Read symbols from the vector of oso files. |
627 | ||
628 | Note that this function sorts OSO_VECTOR_PTR. */ | |
f192ea96 | 629 | |
a80b95ba | 630 | static void |
8b89a20a JB |
631 | macho_symfile_read_all_oso (VEC (oso_el) **oso_vector_ptr, |
632 | struct objfile *main_objfile, | |
633 | int symfile_flags) | |
a80b95ba TG |
634 | { |
635 | int ix; | |
8b89a20a | 636 | VEC (oso_el) *vec = *oso_vector_ptr; |
a80b95ba | 637 | oso_el *oso; |
a4453b7e | 638 | struct cleanup *cleanup = make_cleanup (null_cleanup, NULL); |
a80b95ba | 639 | |
f192ea96 TG |
640 | /* Sort oso by name so that files from libraries are gathered. */ |
641 | qsort (VEC_address (oso_el, vec), VEC_length (oso_el, vec), | |
642 | sizeof (oso_el), oso_el_compare_name); | |
a80b95ba | 643 | |
f192ea96 | 644 | for (ix = 0; VEC_iterate (oso_el, vec, ix, oso);) |
a80b95ba | 645 | { |
a80b95ba | 646 | int pfx_len; |
e4c5f296 | 647 | |
a80b95ba TG |
648 | /* Check if this is a library name. */ |
649 | pfx_len = get_archive_prefix_len (oso->name); | |
650 | if (pfx_len > 0) | |
651 | { | |
652 | bfd *archive_bfd; | |
653 | bfd *member_bfd; | |
f192ea96 TG |
654 | char *archive_name = XNEWVEC (char, pfx_len + 1); |
655 | int last_ix; | |
656 | oso_el *oso2; | |
657 | int ix2; | |
a80b95ba | 658 | |
a80b95ba TG |
659 | memcpy (archive_name, oso->name, pfx_len); |
660 | archive_name[pfx_len] = '\0'; | |
661 | ||
a4453b7e TT |
662 | make_cleanup (xfree, archive_name); |
663 | ||
f192ea96 TG |
664 | /* Compute number of oso for this archive. */ |
665 | for (last_ix = ix; | |
666 | VEC_iterate (oso_el, vec, last_ix, oso2); last_ix++) | |
667 | { | |
668 | if (strncmp (oso2->name, archive_name, pfx_len) != 0) | |
669 | break; | |
670 | } | |
e4c5f296 | 671 | |
a80b95ba | 672 | /* Open the archive and check the format. */ |
1c00ec6b | 673 | archive_bfd = gdb_bfd_open (archive_name, gnutarget, -1); |
a80b95ba TG |
674 | if (archive_bfd == NULL) |
675 | { | |
676 | warning (_("Could not open OSO archive file \"%s\""), | |
677 | archive_name); | |
f192ea96 | 678 | ix = last_ix; |
a80b95ba TG |
679 | continue; |
680 | } | |
681 | if (!bfd_check_format (archive_bfd, bfd_archive)) | |
682 | { | |
683 | warning (_("OSO archive file \"%s\" not an archive."), | |
684 | archive_name); | |
cbb099e8 | 685 | gdb_bfd_unref (archive_bfd); |
f192ea96 | 686 | ix = last_ix; |
a80b95ba TG |
687 | continue; |
688 | } | |
a4453b7e | 689 | |
64c31149 | 690 | member_bfd = gdb_bfd_openr_next_archived_file (archive_bfd, NULL); |
e4c5f296 | 691 | |
a80b95ba TG |
692 | if (member_bfd == NULL) |
693 | { | |
694 | warning (_("Could not read archive members out of " | |
695 | "OSO archive \"%s\""), archive_name); | |
cbb099e8 | 696 | gdb_bfd_unref (archive_bfd); |
f192ea96 | 697 | ix = last_ix; |
a80b95ba TG |
698 | continue; |
699 | } | |
f192ea96 TG |
700 | |
701 | /* Load all oso in this library. */ | |
a80b95ba TG |
702 | while (member_bfd != NULL) |
703 | { | |
f192ea96 | 704 | bfd *prev; |
a80b95ba | 705 | const char *member_name = member_bfd->filename; |
f192ea96 TG |
706 | int member_len = strlen (member_name); |
707 | ||
ab7e10a0 | 708 | /* If this member is referenced, add it as a symfile. */ |
f192ea96 TG |
709 | for (ix2 = ix; ix2 < last_ix; ix2++) |
710 | { | |
711 | oso2 = VEC_index (oso_el, vec, ix2); | |
712 | ||
713 | if (oso2->name | |
714 | && strlen (oso2->name) == pfx_len + member_len + 2 | |
715 | && !memcmp (member_name, oso2->name + pfx_len + 1, | |
716 | member_len)) | |
717 | { | |
bdfed3bc | 718 | macho_add_oso_symfile (oso2, member_bfd, |
24ba069a | 719 | bfd_get_filename (member_bfd), |
bdfed3bc | 720 | main_objfile, symfile_flags); |
f192ea96 TG |
721 | oso2->name = NULL; |
722 | break; | |
723 | } | |
724 | } | |
725 | ||
726 | prev = member_bfd; | |
64c31149 TT |
727 | member_bfd = gdb_bfd_openr_next_archived_file (archive_bfd, |
728 | member_bfd); | |
ab7e10a0 TG |
729 | |
730 | /* Free previous member if not referenced by an oso. */ | |
731 | if (ix2 >= last_ix) | |
cbb099e8 | 732 | gdb_bfd_unref (prev); |
a80b95ba | 733 | } |
f192ea96 TG |
734 | for (ix2 = ix; ix2 < last_ix; ix2++) |
735 | { | |
736 | oso_el *oso2 = VEC_index (oso_el, vec, ix2); | |
737 | ||
738 | if (oso2->name != NULL) | |
739 | warning (_("Could not find specified archive member " | |
740 | "for OSO name \"%s\""), oso->name); | |
741 | } | |
742 | ix = last_ix; | |
a80b95ba TG |
743 | } |
744 | else | |
745 | { | |
f192ea96 | 746 | bfd *abfd; |
a80b95ba | 747 | |
1c00ec6b | 748 | abfd = gdb_bfd_open (oso->name, gnutarget, -1); |
a80b95ba | 749 | if (!abfd) |
f192ea96 TG |
750 | warning (_("`%s': can't open to read symbols: %s."), oso->name, |
751 | bfd_errmsg (bfd_get_error ())); | |
752 | else | |
24ba069a JK |
753 | macho_add_oso_symfile (oso, abfd, oso->name, main_objfile, |
754 | symfile_flags); | |
f192ea96 TG |
755 | |
756 | ix++; | |
757 | } | |
758 | } | |
759 | ||
a4453b7e | 760 | do_cleanups (cleanup); |
a80b95ba TG |
761 | } |
762 | ||
763 | /* DSYM (debug symbols) files contain the debug info of an executable. | |
764 | This is a separate file created by dsymutil(1) and is similar to debug | |
765 | link feature on ELF. | |
766 | DSYM files are located in a subdirectory. Append DSYM_SUFFIX to the | |
767 | executable name and the executable base name to get the DSYM file name. */ | |
768 | #define DSYM_SUFFIX ".dSYM/Contents/Resources/DWARF/" | |
769 | ||
24ba069a JK |
770 | /* Check if a dsym file exists for OBJFILE. If so, returns a bfd for it |
771 | and return *FILENAMEP with its original xmalloc-ated filename. | |
772 | Return NULL if no valid dsym file is found (FILENAMEP is not used in | |
773 | such case). */ | |
f192ea96 | 774 | |
a80b95ba | 775 | static bfd * |
24ba069a | 776 | macho_check_dsym (struct objfile *objfile, char **filenamep) |
a80b95ba | 777 | { |
4262abfb | 778 | size_t name_len = strlen (objfile_name (objfile)); |
a80b95ba | 779 | size_t dsym_len = strlen (DSYM_SUFFIX); |
4262abfb | 780 | const char *base_name = lbasename (objfile_name (objfile)); |
a80b95ba | 781 | size_t base_len = strlen (base_name); |
224c3ddb | 782 | char *dsym_filename = (char *) alloca (name_len + dsym_len + base_len + 1); |
a80b95ba | 783 | bfd *dsym_bfd; |
65ccb109 TG |
784 | bfd_mach_o_load_command *main_uuid; |
785 | bfd_mach_o_load_command *dsym_uuid; | |
a80b95ba | 786 | |
4262abfb | 787 | strcpy (dsym_filename, objfile_name (objfile)); |
a80b95ba TG |
788 | strcpy (dsym_filename + name_len, DSYM_SUFFIX); |
789 | strcpy (dsym_filename + name_len + dsym_len, base_name); | |
790 | ||
791 | if (access (dsym_filename, R_OK) != 0) | |
792 | return NULL; | |
793 | ||
65ccb109 TG |
794 | if (bfd_mach_o_lookup_command (objfile->obfd, |
795 | BFD_MACH_O_LC_UUID, &main_uuid) == 0) | |
a80b95ba | 796 | { |
4262abfb | 797 | warning (_("can't find UUID in %s"), objfile_name (objfile)); |
a80b95ba TG |
798 | return NULL; |
799 | } | |
64c31149 | 800 | dsym_bfd = gdb_bfd_openr (dsym_filename, gnutarget); |
a80b95ba TG |
801 | if (dsym_bfd == NULL) |
802 | { | |
803 | warning (_("can't open dsym file %s"), dsym_filename); | |
a80b95ba TG |
804 | return NULL; |
805 | } | |
806 | ||
807 | if (!bfd_check_format (dsym_bfd, bfd_object)) | |
808 | { | |
cbb099e8 | 809 | gdb_bfd_unref (dsym_bfd); |
a80b95ba | 810 | warning (_("bad dsym file format: %s"), bfd_errmsg (bfd_get_error ())); |
a80b95ba TG |
811 | return NULL; |
812 | } | |
813 | ||
65ccb109 TG |
814 | if (bfd_mach_o_lookup_command (dsym_bfd, |
815 | BFD_MACH_O_LC_UUID, &dsym_uuid) == 0) | |
a80b95ba TG |
816 | { |
817 | warning (_("can't find UUID in %s"), dsym_filename); | |
cbb099e8 | 818 | gdb_bfd_unref (dsym_bfd); |
a80b95ba TG |
819 | return NULL; |
820 | } | |
65ccb109 TG |
821 | if (memcmp (dsym_uuid->command.uuid.uuid, main_uuid->command.uuid.uuid, |
822 | sizeof (main_uuid->command.uuid.uuid))) | |
a80b95ba | 823 | { |
4262abfb JK |
824 | warning (_("dsym file UUID doesn't match the one in %s"), |
825 | objfile_name (objfile)); | |
cbb099e8 | 826 | gdb_bfd_unref (dsym_bfd); |
a80b95ba TG |
827 | return NULL; |
828 | } | |
24ba069a | 829 | *filenamep = xstrdup (dsym_filename); |
a80b95ba | 830 | return dsym_bfd; |
a80b95ba TG |
831 | } |
832 | ||
833 | static void | |
f4352531 | 834 | macho_symfile_read (struct objfile *objfile, int symfile_flags) |
a80b95ba TG |
835 | { |
836 | bfd *abfd = objfile->obfd; | |
a80b95ba TG |
837 | long storage_needed; |
838 | bfd *dsym_bfd; | |
8b89a20a JB |
839 | VEC (oso_el) *oso_vector = NULL; |
840 | struct cleanup *old_chain = make_cleanup (VEC_cleanup (oso_el), &oso_vector); | |
a80b95ba | 841 | |
a80b95ba TG |
842 | /* Get symbols from the symbol table only if the file is an executable. |
843 | The symbol table of object files is not relocated and is expected to | |
844 | be in the executable. */ | |
cf1061c0 | 845 | if (bfd_get_file_flags (abfd) & (EXEC_P | DYNAMIC)) |
a80b95ba | 846 | { |
24ba069a JK |
847 | char *dsym_filename; |
848 | ||
a80b95ba TG |
849 | /* Process the normal symbol table first. */ |
850 | storage_needed = bfd_get_symtab_upper_bound (objfile->obfd); | |
851 | if (storage_needed < 0) | |
852 | error (_("Can't read symbols from %s: %s"), | |
853 | bfd_get_filename (objfile->obfd), | |
854 | bfd_errmsg (bfd_get_error ())); | |
855 | ||
856 | if (storage_needed > 0) | |
857 | { | |
858 | asymbol **symbol_table; | |
859 | long symcount; | |
860 | ||
861 | symbol_table = (asymbol **) xmalloc (storage_needed); | |
f6aea118 | 862 | make_cleanup (xfree, symbol_table); |
e4c5f296 TG |
863 | |
864 | init_minimal_symbol_collection (); | |
8b89a20a | 865 | make_cleanup_discard_minimal_symbols (); |
e4c5f296 | 866 | |
a80b95ba | 867 | symcount = bfd_canonicalize_symtab (objfile->obfd, symbol_table); |
e4c5f296 | 868 | |
a80b95ba TG |
869 | if (symcount < 0) |
870 | error (_("Can't read symbols from %s: %s"), | |
871 | bfd_get_filename (objfile->obfd), | |
872 | bfd_errmsg (bfd_get_error ())); | |
e4c5f296 | 873 | |
8b89a20a | 874 | macho_symtab_read (objfile, symcount, symbol_table, &oso_vector); |
e4c5f296 TG |
875 | |
876 | install_minimal_symbols (objfile); | |
a80b95ba | 877 | } |
a80b95ba | 878 | |
cf1061c0 TG |
879 | /* Try to read .eh_frame / .debug_frame. */ |
880 | /* First, locate these sections. We ignore the result status | |
881 | as it only checks for debug info. */ | |
251d32d9 | 882 | dwarf2_has_info (objfile, NULL); |
cf1061c0 | 883 | dwarf2_build_frame_info (objfile); |
e4c5f296 | 884 | |
a80b95ba | 885 | /* Check for DSYM file. */ |
24ba069a | 886 | dsym_bfd = macho_check_dsym (objfile, &dsym_filename); |
a80b95ba TG |
887 | if (dsym_bfd != NULL) |
888 | { | |
6414f3fd | 889 | struct bfd_section *asect, *dsect; |
a80b95ba | 890 | |
24ba069a JK |
891 | make_cleanup (xfree, dsym_filename); |
892 | ||
a80b95ba TG |
893 | if (mach_o_debug_level > 0) |
894 | printf_unfiltered (_("dsym file found\n")); | |
895 | ||
6414f3fd TG |
896 | /* Set dsym section size. */ |
897 | for (asect = objfile->obfd->sections, dsect = dsym_bfd->sections; | |
898 | asect && dsect; | |
899 | asect = asect->next, dsect = dsect->next) | |
900 | { | |
901 | if (strcmp (asect->name, dsect->name) != 0) | |
902 | break; | |
903 | bfd_set_section_size (dsym_bfd, dsect, | |
904 | bfd_get_section_size (asect)); | |
905 | } | |
906 | ||
2480cfa0 | 907 | /* Add the dsym file as a separate file. */ |
8b89a20a | 908 | make_cleanup_bfd_unref (dsym_bfd); |
24ba069a JK |
909 | symbol_file_add_separate (dsym_bfd, dsym_filename, symfile_flags, |
910 | objfile); | |
e4c5f296 | 911 | |
cf1061c0 | 912 | /* Don't try to read dwarf2 from main file or shared libraries. */ |
8b89a20a | 913 | do_cleanups (old_chain); |
2480cfa0 | 914 | return; |
a80b95ba TG |
915 | } |
916 | } | |
917 | ||
251d32d9 | 918 | if (dwarf2_has_info (objfile, NULL)) |
a80b95ba TG |
919 | { |
920 | /* DWARF 2 sections */ | |
f29dff0a | 921 | dwarf2_build_psymtabs (objfile); |
a80b95ba TG |
922 | } |
923 | ||
a80b95ba TG |
924 | /* Then the oso. */ |
925 | if (oso_vector != NULL) | |
8b89a20a JB |
926 | macho_symfile_read_all_oso (&oso_vector, objfile, symfile_flags); |
927 | ||
928 | do_cleanups (old_chain); | |
a80b95ba TG |
929 | } |
930 | ||
f18b4cab TG |
931 | static bfd_byte * |
932 | macho_symfile_relocate (struct objfile *objfile, asection *sectp, | |
933 | bfd_byte *buf) | |
934 | { | |
935 | bfd *abfd = objfile->obfd; | |
936 | ||
937 | /* We're only interested in sections with relocation | |
938 | information. */ | |
939 | if ((sectp->flags & SEC_RELOC) == 0) | |
940 | return NULL; | |
941 | ||
942 | if (mach_o_debug_level > 0) | |
943 | printf_unfiltered (_("Relocate section '%s' of %s\n"), | |
4262abfb | 944 | sectp->name, objfile_name (objfile)); |
f18b4cab | 945 | |
f18b4cab TG |
946 | return bfd_simple_get_relocated_section_contents (abfd, sectp, buf, NULL); |
947 | } | |
948 | ||
a80b95ba TG |
949 | static void |
950 | macho_symfile_finish (struct objfile *objfile) | |
951 | { | |
952 | } | |
953 | ||
954 | static void | |
955 | macho_symfile_offsets (struct objfile *objfile, | |
66f65e2b | 956 | const struct section_addr_info *addrs) |
a80b95ba TG |
957 | { |
958 | unsigned int i; | |
a80b95ba TG |
959 | struct obj_section *osect; |
960 | ||
961 | /* Allocate section_offsets. */ | |
962 | objfile->num_sections = bfd_count_sections (objfile->obfd); | |
963 | objfile->section_offsets = (struct section_offsets *) | |
964 | obstack_alloc (&objfile->objfile_obstack, | |
965 | SIZEOF_N_SECTION_OFFSETS (objfile->num_sections)); | |
966 | memset (objfile->section_offsets, 0, | |
967 | SIZEOF_N_SECTION_OFFSETS (objfile->num_sections)); | |
968 | ||
969 | /* This code is run when we first add the objfile with | |
970 | symfile_add_with_addrs_or_offsets, when "addrs" not "offsets" are | |
971 | passed in. The place in symfile.c where the addrs are applied | |
972 | depends on the addrs having section names. But in the dyld code | |
973 | we build an anonymous array of addrs, so that code is a no-op. | |
974 | Because of that, we have to apply the addrs to the sections here. | |
975 | N.B. if an objfile slides after we've already created it, then it | |
976 | goes through objfile_relocate. */ | |
977 | ||
978 | for (i = 0; i < addrs->num_sections; i++) | |
979 | { | |
a80b95ba TG |
980 | ALL_OBJFILE_OSECTIONS (objfile, osect) |
981 | { | |
982 | const char *bfd_sect_name = osect->the_bfd_section->name; | |
983 | ||
984 | if (strcmp (bfd_sect_name, addrs->other[i].name) == 0) | |
985 | { | |
986 | obj_section_offset (osect) = addrs->other[i].addr; | |
987 | break; | |
988 | } | |
989 | } | |
990 | } | |
991 | ||
992 | objfile->sect_index_text = 0; | |
993 | ||
994 | ALL_OBJFILE_OSECTIONS (objfile, osect) | |
995 | { | |
996 | const char *bfd_sect_name = osect->the_bfd_section->name; | |
65cf3563 | 997 | int sect_index = osect - objfile->sections;; |
e4c5f296 | 998 | |
61012eef | 999 | if (startswith (bfd_sect_name, "LC_SEGMENT.")) |
cf1061c0 TG |
1000 | bfd_sect_name += 11; |
1001 | if (strcmp (bfd_sect_name, "__TEXT") == 0 | |
1002 | || strcmp (bfd_sect_name, "__TEXT.__text") == 0) | |
a80b95ba TG |
1003 | objfile->sect_index_text = sect_index; |
1004 | } | |
1005 | } | |
1006 | ||
00b5771c | 1007 | static const struct sym_fns macho_sym_fns = { |
3e43a32a MS |
1008 | macho_new_init, /* init anything gbl to entire symtab */ |
1009 | macho_symfile_init, /* read initial info, setup for sym_read() */ | |
1010 | macho_symfile_read, /* read a symbol file into symtab */ | |
b11896a5 | 1011 | NULL, /* sym_read_psymbols */ |
3e43a32a MS |
1012 | macho_symfile_finish, /* finished with file, cleanup */ |
1013 | macho_symfile_offsets, /* xlate external to internal form */ | |
1014 | default_symfile_segments, /* Get segment information from a file. */ | |
1015 | NULL, | |
1016 | macho_symfile_relocate, /* Relocate a debug section. */ | |
55aa24fb | 1017 | NULL, /* sym_get_probes */ |
00b5771c | 1018 | &psym_functions |
a80b95ba TG |
1019 | }; |
1020 | ||
c381a3f6 JB |
1021 | /* -Wmissing-prototypes */ |
1022 | extern initialize_file_ftype _initialize_machoread; | |
1023 | ||
a80b95ba | 1024 | void |
dd9aa048 | 1025 | _initialize_machoread (void) |
a80b95ba | 1026 | { |
c256e171 | 1027 | add_symtab_fns (bfd_target_mach_o_flavour, &macho_sym_fns); |
a80b95ba | 1028 | |
ccce17b0 YQ |
1029 | add_setshow_zuinteger_cmd ("mach-o", class_obscure, |
1030 | &mach_o_debug_level, | |
1031 | _("Set if printing Mach-O symbols processing."), | |
1032 | _("Show if printing Mach-O symbols processing."), | |
1033 | NULL, NULL, NULL, | |
1034 | &setdebuglist, &showdebuglist); | |
a80b95ba | 1035 | } |