Commit | Line | Data |
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ce3c775b | 1 | /* Plugin support for BFD. |
b3adc24a | 2 | Copyright (C) 2009-2020 Free Software Foundation, Inc. |
ce3c775b NC |
3 | |
4 | This file is part of BFD, the Binary File Descriptor library. | |
5 | ||
6 | This program is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
8 | the Free Software Foundation; either version 3 of the License, or | |
9 | (at your option) any later version. | |
10 | ||
11 | This program is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with this program; if not, write to the Free Software | |
18 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, | |
19 | MA 02110-1301, USA. */ | |
20 | ||
691bf19c | 21 | #include "sysdep.h" |
98950613 AM |
22 | #include "bfd.h" |
23 | ||
24 | #if BFD_SUPPORTS_PLUGINS | |
25 | ||
ce3c775b | 26 | #include <assert.h> |
17d5dae2 | 27 | #ifdef HAVE_DLFCN_H |
ce3c775b | 28 | #include <dlfcn.h> |
17d5dae2 KT |
29 | #elif defined (HAVE_WINDOWS_H) |
30 | #include <windows.h> | |
31 | #else | |
32 | #error Unknown how to handle dynamic-load-libraries. | |
33 | #endif | |
ce3c775b NC |
34 | #include <stdarg.h> |
35 | #include "plugin-api.h" | |
ce3c775b NC |
36 | #include "plugin.h" |
37 | #include "libbfd.h" | |
38 | #include "libiberty.h" | |
39 | #include <dirent.h> | |
40 | ||
17d5dae2 KT |
41 | #if !defined (HAVE_DLFCN_H) && defined (HAVE_WINDOWS_H) |
42 | ||
43 | #define RTLD_NOW 0 /* Dummy value. */ | |
44 | ||
45 | static void * | |
46 | dlopen (const char *file, int mode ATTRIBUTE_UNUSED) | |
47 | { | |
48 | return LoadLibrary (file); | |
49 | } | |
50 | ||
51 | static void * | |
52 | dlsym (void *handle, const char *name) | |
53 | { | |
54 | return GetProcAddress (handle, name); | |
55 | } | |
56 | ||
57 | static int ATTRIBUTE_UNUSED | |
58 | dlclose (void *handle) | |
59 | { | |
60 | FreeLibrary (handle); | |
61 | return 0; | |
62 | } | |
63 | ||
64 | static const char * | |
65 | dlerror (void) | |
66 | { | |
67 | return "Unable to load DLL."; | |
68 | } | |
69 | ||
70 | #endif /* !defined (HAVE_DLFCN_H) && defined (HAVE_WINDOWS_H) */ | |
71 | ||
07d6d2b8 AM |
72 | #define bfd_plugin_bfd_free_cached_info _bfd_generic_bfd_free_cached_info |
73 | #define bfd_plugin_new_section_hook _bfd_generic_new_section_hook | |
74 | #define bfd_plugin_get_section_contents _bfd_generic_get_section_contents | |
ce3c775b | 75 | #define bfd_plugin_get_section_contents_in_window _bfd_generic_get_section_contents_in_window |
07d6d2b8 AM |
76 | #define bfd_plugin_bfd_copy_private_header_data _bfd_generic_bfd_copy_private_header_data |
77 | #define bfd_plugin_bfd_merge_private_bfd_data _bfd_generic_bfd_merge_private_bfd_data | |
78 | #define bfd_plugin_bfd_copy_private_header_data _bfd_generic_bfd_copy_private_header_data | |
79 | #define bfd_plugin_bfd_set_private_flags _bfd_generic_bfd_set_private_flags | |
ce3c775b | 80 | #define bfd_plugin_core_file_matches_executable_p generic_core_file_matches_executable_p |
07d6d2b8 | 81 | #define bfd_plugin_bfd_is_local_label_name _bfd_nosymbols_bfd_is_local_label_name |
d00dd7dc | 82 | #define bfd_plugin_bfd_is_target_special_symbol _bfd_bool_bfd_asymbol_false |
07d6d2b8 AM |
83 | #define bfd_plugin_get_lineno _bfd_nosymbols_get_lineno |
84 | #define bfd_plugin_find_nearest_line _bfd_nosymbols_find_nearest_line | |
85 | #define bfd_plugin_find_line _bfd_nosymbols_find_line | |
86 | #define bfd_plugin_find_inliner_info _bfd_nosymbols_find_inliner_info | |
60bb06bc | 87 | #define bfd_plugin_get_symbol_version_string _bfd_nosymbols_get_symbol_version_string |
07d6d2b8 AM |
88 | #define bfd_plugin_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol |
89 | #define bfd_plugin_read_minisymbols _bfd_generic_read_minisymbols | |
90 | #define bfd_plugin_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol | |
91 | #define bfd_plugin_set_arch_mach bfd_default_set_arch_mach | |
92 | #define bfd_plugin_set_section_contents _bfd_generic_set_section_contents | |
ce3c775b | 93 | #define bfd_plugin_bfd_get_relocated_section_contents bfd_generic_get_relocated_section_contents |
07d6d2b8 AM |
94 | #define bfd_plugin_bfd_relax_section bfd_generic_relax_section |
95 | #define bfd_plugin_bfd_link_hash_table_create _bfd_generic_link_hash_table_create | |
96 | #define bfd_plugin_bfd_link_add_symbols _bfd_generic_link_add_symbols | |
97 | #define bfd_plugin_bfd_link_just_syms _bfd_generic_link_just_syms | |
98 | #define bfd_plugin_bfd_final_link _bfd_generic_final_link | |
99 | #define bfd_plugin_bfd_link_split_section _bfd_generic_link_split_section | |
100 | #define bfd_plugin_bfd_gc_sections bfd_generic_gc_sections | |
101 | #define bfd_plugin_bfd_lookup_section_flags bfd_generic_lookup_section_flags | |
102 | #define bfd_plugin_bfd_merge_sections bfd_generic_merge_sections | |
103 | #define bfd_plugin_bfd_is_group_section bfd_generic_is_group_section | |
cb7f4b29 | 104 | #define bfd_plugin_bfd_group_name bfd_generic_group_name |
07d6d2b8 AM |
105 | #define bfd_plugin_bfd_discard_group bfd_generic_discard_group |
106 | #define bfd_plugin_section_already_linked _bfd_generic_section_already_linked | |
107 | #define bfd_plugin_bfd_define_common_symbol bfd_generic_define_common_symbol | |
34a87bb0 | 108 | #define bfd_plugin_bfd_link_hide_symbol _bfd_generic_link_hide_symbol |
07d6d2b8 | 109 | #define bfd_plugin_bfd_define_start_stop bfd_generic_define_start_stop |
69a630b5 | 110 | #define bfd_plugin_bfd_copy_link_hash_symbol_type _bfd_generic_copy_link_hash_symbol_type |
07d6d2b8 | 111 | #define bfd_plugin_bfd_link_check_relocs _bfd_generic_link_check_relocs |
ce3c775b NC |
112 | |
113 | static enum ld_plugin_status | |
114 | message (int level ATTRIBUTE_UNUSED, | |
115 | const char * format, ...) | |
116 | { | |
117 | va_list args; | |
118 | va_start (args, format); | |
119 | printf ("bfd plugin: "); | |
120 | vprintf (format, args); | |
d9b21463 | 121 | putchar ('\n'); |
ce3c775b NC |
122 | va_end (args); |
123 | return LDPS_OK; | |
124 | } | |
125 | ||
0aa99dcd L |
126 | struct plugin_list_entry |
127 | { | |
128 | /* These must be initialized for each IR object with LTO wrapper. */ | |
129 | void *handle; | |
130 | ld_plugin_claim_file_handler claim_file; | |
131 | ld_plugin_all_symbols_read_handler all_symbols_read; | |
132 | ld_plugin_all_symbols_read_handler cleanup_handler; | |
133 | char *resolution_file; | |
134 | char *resolution_option; | |
135 | bfd *real_bfd; | |
136 | long real_nsyms; | |
137 | asymbol **real_syms; | |
138 | int lto_nsyms; | |
139 | const struct ld_plugin_symbol *lto_syms; | |
140 | ||
141 | struct plugin_list_entry *next; | |
142 | ||
143 | /* These can be reused for all IR objects. */ | |
144 | const char *plugin_name; | |
145 | char *gcc; | |
146 | char *lto_wrapper; | |
147 | char *gcc_env; | |
148 | bfd_boolean initialized; | |
149 | }; | |
150 | ||
151 | /* Use GCC LTO wrapper to covert LTO IR object to the real object. */ | |
152 | ||
153 | static bfd_boolean | |
154 | get_lto_wrapper (struct plugin_list_entry *plugin) | |
155 | { | |
156 | struct stat st; | |
157 | const char *real_name; | |
158 | const char *base_name; | |
159 | size_t length; | |
160 | const char *target_start = NULL; | |
161 | const char *target_end = NULL; | |
162 | size_t target_length = 0; | |
163 | char *gcc_name; | |
164 | char *wrapper_name; | |
165 | char *p; | |
166 | char dir_seperator = '\0'; | |
167 | char *resolution_file; | |
168 | ||
169 | if (plugin->initialized) | |
170 | { | |
171 | if (plugin->lto_wrapper) | |
172 | { | |
173 | resolution_file = make_temp_file (".res"); | |
174 | if (resolution_file) | |
175 | { | |
176 | plugin->resolution_file = resolution_file; | |
177 | plugin->resolution_option = concat ("-fresolution=", | |
178 | resolution_file, NULL); | |
179 | return TRUE; | |
180 | } | |
181 | else | |
182 | { | |
183 | /* Something is wrong. Give up. */ | |
184 | free (plugin->gcc); | |
185 | free (plugin->lto_wrapper); | |
186 | free (plugin->gcc_env); | |
187 | plugin->gcc = NULL; | |
188 | plugin->gcc_env = NULL; | |
189 | plugin->lto_wrapper = NULL; | |
190 | } | |
191 | } | |
192 | ||
193 | return FALSE; | |
194 | } | |
195 | ||
196 | plugin->initialized = TRUE; | |
197 | ||
198 | /* Check for PREFIX/libexec/gcc/TARGET/VERSION/liblto_plugin.so. */ | |
199 | real_name = lrealpath (plugin->plugin_name); | |
200 | base_name = lbasename (real_name); | |
201 | ||
202 | /* The directory length in plugin pathname. */ | |
203 | length = base_name - real_name; | |
204 | ||
205 | /* Skip if there is no PREFIX. */ | |
206 | if (!length) | |
207 | return FALSE; | |
208 | ||
209 | p = (char *) real_name + length - 1; | |
210 | if (IS_DIR_SEPARATOR (*p)) | |
211 | { | |
212 | int level = 0; | |
213 | for (; p != real_name; p--) | |
214 | if (IS_DIR_SEPARATOR (*p)) | |
215 | { | |
216 | level++; | |
217 | if (level == 2) | |
218 | target_end = p; | |
219 | else if (level == 3) | |
220 | { | |
221 | target_start = p + 1; | |
222 | target_length = target_end - target_start; | |
223 | } | |
224 | else if (level == 5) | |
225 | { | |
226 | dir_seperator = *p; | |
227 | break; | |
228 | } | |
229 | } | |
230 | } | |
231 | ||
232 | /* Skip if there is no TARGET nor PREFIX. */ | |
233 | if (!target_length || !dir_seperator) | |
234 | return FALSE; | |
235 | ||
236 | #ifdef HAVE_EXECUTABLE_SUFFIX | |
237 | # define GCC_EXECUTABLE "gcc" EXECUTABLE_SUFFIX | |
238 | # define LTO_WRAPPER_EXECUTABLE "lto-wrapper" EXECUTABLE_SUFFIX | |
239 | #else | |
240 | # define GCC_EXECUTABLE "gcc" | |
241 | # define LTO_WRAPPER_EXECUTABLE "lto-wrapper" | |
242 | #endif | |
243 | gcc_name = bfd_malloc (length + target_length | |
244 | + sizeof (GCC_EXECUTABLE)); | |
245 | if (gcc_name == NULL) | |
246 | return FALSE; | |
247 | memcpy (gcc_name, real_name, length); | |
248 | ||
249 | /* Get PREFIX/bin/. */ | |
250 | p += gcc_name - real_name; | |
251 | memcpy (p + 1, "bin", 3); | |
252 | p[4] = dir_seperator; | |
253 | ||
254 | /* Try PREFIX/bin/TARGET-gcc first. */ | |
255 | memcpy (p + 5, target_start, target_length); | |
256 | p[5 + target_length] = '-'; | |
257 | memcpy (p + 5 + target_length + 1, GCC_EXECUTABLE, | |
258 | sizeof (GCC_EXECUTABLE)); | |
259 | if (stat (gcc_name, &st) != 0 || !S_ISREG (st.st_mode)) | |
260 | { | |
261 | /* Then try PREFIX/bin/gcc. */ | |
262 | memcpy (p + 5, GCC_EXECUTABLE, sizeof (GCC_EXECUTABLE)); | |
263 | if (stat (gcc_name, &st) != 0 || !S_ISREG (st.st_mode)) | |
264 | { | |
265 | free (gcc_name); | |
266 | return FALSE; | |
267 | } | |
268 | } | |
269 | ||
270 | /* lto-wrapper should be in the same directory with LTO plugin. */ | |
271 | wrapper_name = bfd_malloc (length + sizeof (LTO_WRAPPER_EXECUTABLE)); | |
272 | if (wrapper_name == NULL) | |
273 | { | |
274 | free (gcc_name); | |
275 | return FALSE; | |
276 | } | |
277 | memcpy (wrapper_name, real_name, length); | |
278 | memcpy (wrapper_name + length, LTO_WRAPPER_EXECUTABLE, | |
279 | sizeof (LTO_WRAPPER_EXECUTABLE)); | |
280 | if (stat (wrapper_name, &st) == 0 && S_ISREG (st.st_mode)) | |
281 | { | |
282 | resolution_file = make_temp_file (".res"); | |
283 | if (resolution_file) | |
284 | { | |
285 | plugin->gcc = gcc_name; | |
286 | plugin->lto_wrapper = wrapper_name; | |
287 | plugin->gcc_env = concat ("COLLECT_GCC=", gcc_name, NULL); | |
288 | plugin->resolution_file = resolution_file; | |
289 | plugin->resolution_option = concat ("-fresolution=", | |
290 | resolution_file, NULL); | |
291 | return TRUE; | |
292 | } | |
293 | } | |
294 | ||
295 | free (gcc_name); | |
296 | free (wrapper_name); | |
297 | return FALSE; | |
298 | } | |
299 | ||
300 | /* Set environment variables for GCC LTO wrapper to covert LTO IR | |
301 | object to the real object. */ | |
302 | ||
303 | static int | |
304 | setup_lto_wrapper_env (struct plugin_list_entry *plugin) | |
305 | { | |
306 | return (putenv (plugin->gcc_env) | |
307 | || putenv ("COLLECT_GCC_OPTIONS=")); | |
308 | } | |
309 | ||
310 | static struct plugin_list_entry *plugin_list = NULL; | |
311 | static struct plugin_list_entry *current_plugin = NULL; | |
312 | ||
ce3c775b | 313 | /* Register a claim-file handler. */ |
ce3c775b NC |
314 | |
315 | static enum ld_plugin_status | |
316 | register_claim_file (ld_plugin_claim_file_handler handler) | |
317 | { | |
0aa99dcd L |
318 | current_plugin->claim_file = handler; |
319 | return LDPS_OK; | |
320 | } | |
321 | ||
322 | /* Register an all-symbols-read handler. */ | |
323 | ||
324 | static enum ld_plugin_status | |
325 | register_all_symbols_read (ld_plugin_all_symbols_read_handler handler) | |
326 | { | |
327 | current_plugin->all_symbols_read = handler; | |
328 | return LDPS_OK; | |
329 | } | |
330 | ||
331 | /* Register a cleanup handler. */ | |
332 | ||
333 | static enum ld_plugin_status | |
334 | register_cleanup (ld_plugin_all_symbols_read_handler handler) | |
335 | { | |
336 | current_plugin->cleanup_handler = handler; | |
337 | return LDPS_OK; | |
338 | } | |
339 | ||
340 | /* Get the symbol resolution info for a plugin-claimed input file. */ | |
341 | ||
342 | static enum ld_plugin_status | |
343 | get_symbols (const void *handle ATTRIBUTE_UNUSED, int nsyms, | |
344 | struct ld_plugin_symbol *syms) | |
345 | { | |
346 | if (syms) | |
347 | { | |
348 | int n; | |
349 | for (n = 0; n < nsyms; n++) | |
350 | { | |
351 | switch (syms[n].def) | |
352 | { | |
353 | default: | |
354 | BFD_ASSERT (0); | |
355 | break; | |
356 | case LDPK_UNDEF: | |
357 | case LDPK_WEAKUNDEF: | |
358 | syms[n].resolution = LDPR_UNDEF; | |
359 | break; | |
360 | case LDPK_DEF: | |
361 | case LDPK_WEAKDEF: | |
362 | case LDPK_COMMON: | |
363 | /* Tell plugin that LTO symbol has references from regular | |
364 | object code. */ | |
365 | syms[n].resolution = LDPR_PREVAILING_DEF; | |
366 | break; | |
367 | } | |
368 | } | |
369 | } | |
370 | ||
371 | return LDPS_OK; | |
372 | } | |
373 | ||
374 | /* Add a new (real) input file generated by a plugin. */ | |
375 | ||
376 | static enum ld_plugin_status | |
377 | add_input_file (const char *pathname) | |
378 | { | |
379 | /* Get symbols from the real LTO object. */ | |
380 | char **matching; | |
381 | long real_symsize; | |
382 | long real_nsyms; | |
383 | asymbol **real_syms; | |
384 | int lto_nsyms; | |
385 | bfd_boolean lto_symbol_found = FALSE; | |
386 | const struct ld_plugin_symbol *lto_syms; | |
387 | bfd *rbfd; | |
388 | int i, j; | |
389 | ||
390 | rbfd = bfd_openr (pathname, NULL); | |
391 | if (!bfd_check_format_matches (rbfd, bfd_object, &matching)) | |
392 | BFD_ASSERT (0); | |
393 | ||
394 | real_symsize = bfd_get_symtab_upper_bound (rbfd); | |
395 | if (real_symsize < 0) | |
396 | BFD_ASSERT (0); | |
397 | ||
398 | real_syms = (asymbol **) bfd_malloc (real_symsize); | |
399 | if (real_syms) | |
400 | { | |
401 | real_nsyms = bfd_canonicalize_symtab (rbfd, real_syms); | |
402 | if (real_nsyms < 0) | |
403 | BFD_ASSERT (0); | |
404 | ||
405 | /* NB: LTO plugin may generate more than one real object from one | |
406 | LTO IR object. We use the one which contains LTO symbols. */ | |
407 | lto_syms = current_plugin->lto_syms; | |
408 | lto_nsyms = current_plugin->lto_nsyms; | |
409 | for (i = 0; i < lto_nsyms; i++) | |
410 | for (j = 0; j < real_nsyms; j++) | |
411 | if (real_syms[j]->name | |
412 | && strcmp (lto_syms[i].name, real_syms[j]->name) == 0) | |
413 | { | |
414 | lto_symbol_found = TRUE; | |
415 | break; | |
416 | } | |
417 | } | |
418 | ||
419 | if (lto_symbol_found) | |
420 | { | |
421 | current_plugin->real_nsyms = real_nsyms; | |
422 | current_plugin->real_syms = real_syms; | |
423 | /* NB: We can't close RBFD which own the real symbol info. */ | |
424 | current_plugin->real_bfd = rbfd; | |
425 | } | |
426 | else | |
427 | { | |
428 | bfd_close (rbfd); | |
429 | free (real_syms); | |
430 | } | |
431 | ||
ce3c775b NC |
432 | return LDPS_OK; |
433 | } | |
434 | ||
435 | static enum ld_plugin_status | |
436 | add_symbols (void * handle, | |
437 | int nsyms, | |
438 | const struct ld_plugin_symbol * syms) | |
439 | { | |
440 | bfd *abfd = handle; | |
441 | struct plugin_data_struct *plugin_data = | |
5bb3703f | 442 | bfd_alloc (abfd, sizeof (plugin_data_struct)); |
ce3c775b | 443 | |
0aa99dcd L |
444 | if (plugin_data) |
445 | { | |
446 | struct ld_plugin_symbol *sym_info; | |
447 | char *strtab; | |
448 | size_t sym_info_size, name_length; | |
449 | int i; | |
450 | ||
451 | abfd->tdata.plugin_data = plugin_data; | |
452 | ||
453 | /* NB: LTO symbols are owned by LTO plugin. Create a copy so | |
454 | that we can use it in bfd_plugin_canonicalize_symtab. */ | |
455 | sym_info_size = nsyms * sizeof (*syms); | |
456 | ||
457 | /* Allocate a string table */ | |
458 | for (i = 0; i < nsyms; i++) | |
459 | sym_info_size += strlen (syms[i].name) + 1; | |
460 | ||
461 | sym_info = bfd_alloc (abfd, sym_info_size); | |
462 | if (sym_info) | |
463 | { | |
464 | /* Copy symbol table. */ | |
465 | memcpy (sym_info, syms, nsyms * sizeof (*syms)); | |
466 | ||
467 | /* Copy symbol names in symbol table. */ | |
468 | strtab = (char *) (sym_info + nsyms); | |
469 | for (i = 0; i < nsyms; i++) | |
470 | { | |
471 | name_length = strlen (syms[i].name); | |
472 | memcpy (strtab, syms[i].name, name_length + 1); | |
473 | sym_info[i].name = strtab; | |
474 | strtab += name_length + 1; | |
475 | } | |
476 | ||
477 | plugin_data->nsyms = nsyms; | |
478 | plugin_data->syms = sym_info; | |
479 | ||
480 | current_plugin->lto_nsyms = nsyms; | |
481 | current_plugin->lto_syms = sym_info; | |
482 | } | |
483 | } | |
ce3c775b NC |
484 | |
485 | if (nsyms != 0) | |
486 | abfd->flags |= HAS_SYMS; | |
487 | ||
ce3c775b NC |
488 | return LDPS_OK; |
489 | } | |
490 | ||
fc579192 NC |
491 | static const char *plugin_program_name; |
492 | ||
493 | void | |
494 | bfd_plugin_set_program_name (const char *program_name) | |
495 | { | |
496 | plugin_program_name = program_name; | |
497 | } | |
ce3c775b | 498 | |
7d0b9ebc AM |
499 | int |
500 | bfd_plugin_open_input (bfd *ibfd, struct ld_plugin_input_file *file) | |
ce3c775b | 501 | { |
e44f5bef MT |
502 | bfd *iobfd; |
503 | ||
7d0b9ebc | 504 | iobfd = ibfd; |
27b07675 AM |
505 | while (iobfd->my_archive |
506 | && !bfd_is_thin_archive (iobfd->my_archive)) | |
507 | iobfd = iobfd->my_archive; | |
7d0b9ebc | 508 | file->name = iobfd->filename; |
e44f5bef MT |
509 | |
510 | if (!iobfd->iostream && !bfd_open_file (iobfd)) | |
511 | return 0; | |
512 | ||
27b07675 AM |
513 | /* The plugin API expects that the file descriptor won't be closed |
514 | and reused as done by the bfd file cache. So open it again. | |
515 | dup isn't good enough. plugin IO uses lseek/read while BFD uses | |
516 | fseek/fread. It isn't wise to mix the unistd and stdio calls on | |
517 | the same underlying file descriptor. */ | |
518 | file->fd = open (file->name, O_RDONLY | O_BINARY); | |
519 | if (file->fd < 0) | |
520 | return 0; | |
e44f5bef | 521 | |
7d0b9ebc | 522 | if (iobfd == ibfd) |
e44f5bef MT |
523 | { |
524 | struct stat stat_buf; | |
103da91b | 525 | |
7d0b9ebc | 526 | if (fstat (file->fd, &stat_buf)) |
103da91b NC |
527 | { |
528 | close(file->fd); | |
529 | return 0; | |
530 | } | |
531 | ||
7d0b9ebc AM |
532 | file->offset = 0; |
533 | file->filesize = stat_buf.st_size; | |
534 | } | |
535 | else | |
536 | { | |
537 | file->offset = ibfd->origin; | |
538 | file->filesize = arelt_size (ibfd); | |
e44f5bef | 539 | } |
7d0b9ebc AM |
540 | return 1; |
541 | } | |
542 | ||
543 | static int | |
544 | try_claim (bfd *abfd) | |
545 | { | |
546 | int claimed = 0; | |
547 | struct ld_plugin_input_file file; | |
e44f5bef | 548 | |
27b07675 | 549 | file.handle = abfd; |
7d0b9ebc AM |
550 | if (!bfd_plugin_open_input (abfd, &file)) |
551 | return 0; | |
0aa99dcd L |
552 | if (current_plugin->claim_file) |
553 | { | |
554 | current_plugin->claim_file (&file, &claimed); | |
555 | if (claimed) | |
556 | { | |
557 | if (current_plugin->all_symbols_read) | |
558 | { | |
559 | struct plugin_data_struct *plugin_data | |
560 | = abfd->tdata.plugin_data; | |
561 | if (plugin_data) | |
562 | { | |
563 | /* Get real symbols from LTO wrapper. */ | |
564 | current_plugin->all_symbols_read (); | |
565 | ||
566 | /* Copy real symbols to plugin_data. */ | |
567 | plugin_data->real_bfd = current_plugin->real_bfd; | |
568 | plugin_data->real_nsyms = current_plugin->real_nsyms; | |
569 | plugin_data->real_syms = current_plugin->real_syms; | |
570 | ||
571 | /* Clean up LTO plugin. */ | |
572 | if (current_plugin->cleanup_handler) | |
573 | current_plugin->cleanup_handler (); | |
574 | } | |
575 | } | |
576 | } | |
577 | ||
578 | if (current_plugin->lto_wrapper) | |
579 | { | |
580 | /* Clean up for LTO wrapper. */ | |
581 | unlink (current_plugin->resolution_file); | |
582 | free (current_plugin->resolution_option); | |
583 | } | |
584 | } | |
103da91b | 585 | close (file.fd); |
7d0b9ebc | 586 | return claimed; |
e44f5bef MT |
587 | } |
588 | ||
589 | static int | |
5ae0078c | 590 | try_load_plugin (const char *pname, bfd *abfd, int *has_plugin_p) |
e44f5bef | 591 | { |
103da91b | 592 | void *plugin_handle = NULL; |
0aa99dcd | 593 | struct ld_plugin_tv tv[12]; |
ce3c775b NC |
594 | int i; |
595 | ld_plugin_onload onload; | |
596 | enum ld_plugin_status status; | |
b0ceb98a | 597 | struct plugin_list_entry *plugin_list_iter; |
103da91b | 598 | |
5ae0078c L |
599 | *has_plugin_p = 0; |
600 | ||
0aa99dcd L |
601 | /* NB: Each object is inddependent. Reuse the previous plugin from |
602 | the last LTO wrapper run will lead to wrong LTO data. */ | |
603 | if (current_plugin | |
604 | && current_plugin->handle | |
605 | && current_plugin->lto_wrapper | |
606 | && strcmp (current_plugin->plugin_name, pname) == 0) | |
607 | { | |
608 | dlclose (current_plugin->handle); | |
609 | memset (current_plugin, 0, | |
610 | offsetof (struct plugin_list_entry, next)); | |
611 | } | |
612 | ||
ce3c775b NC |
613 | plugin_handle = dlopen (pname, RTLD_NOW); |
614 | if (!plugin_handle) | |
615 | { | |
4eca0228 | 616 | _bfd_error_handler ("%s\n", dlerror ()); |
ce3c775b NC |
617 | return 0; |
618 | } | |
619 | ||
b0ceb98a Z |
620 | for (plugin_list_iter = plugin_list; |
621 | plugin_list_iter; | |
622 | plugin_list_iter = plugin_list_iter->next) | |
623 | { | |
624 | if (plugin_handle == plugin_list_iter->handle) | |
4b24dd1a AM |
625 | { |
626 | dlclose (plugin_handle); | |
627 | if (!plugin_list_iter->claim_file) | |
628 | return 0; | |
629 | ||
630 | register_claim_file (plugin_list_iter->claim_file); | |
0aa99dcd | 631 | current_plugin = plugin_list_iter; |
4b24dd1a AM |
632 | goto have_claim_file; |
633 | } | |
0aa99dcd L |
634 | else if (plugin_list_iter->lto_wrapper |
635 | && strcmp (plugin_list_iter->plugin_name, pname) == 0) | |
636 | goto have_lto_wrapper; | |
b0ceb98a Z |
637 | } |
638 | ||
89bdc77e AM |
639 | plugin_list_iter = bfd_malloc (sizeof *plugin_list_iter); |
640 | if (plugin_list_iter == NULL) | |
641 | return 0; | |
0aa99dcd L |
642 | memset (plugin_list_iter, 0, sizeof (*plugin_list_iter)); |
643 | plugin_list_iter->plugin_name = pname; | |
b0ceb98a Z |
644 | plugin_list_iter->next = plugin_list; |
645 | plugin_list = plugin_list_iter; | |
646 | ||
0aa99dcd L |
647 | have_lto_wrapper: |
648 | plugin_list_iter->handle = plugin_handle; | |
649 | ||
ce3c775b NC |
650 | onload = dlsym (plugin_handle, "onload"); |
651 | if (!onload) | |
b0ceb98a | 652 | return 0; |
ce3c775b NC |
653 | |
654 | i = 0; | |
655 | tv[i].tv_tag = LDPT_MESSAGE; | |
656 | tv[i].tv_u.tv_message = message; | |
657 | ||
658 | ++i; | |
659 | tv[i].tv_tag = LDPT_REGISTER_CLAIM_FILE_HOOK; | |
660 | tv[i].tv_u.tv_register_claim_file = register_claim_file; | |
661 | ||
662 | ++i; | |
663 | tv[i].tv_tag = LDPT_ADD_SYMBOLS; | |
664 | tv[i].tv_u.tv_add_symbols = add_symbols; | |
665 | ||
0aa99dcd L |
666 | if (get_lto_wrapper (plugin_list_iter)) |
667 | { | |
668 | ++i; | |
669 | tv[i].tv_tag = LDPT_REGISTER_ALL_SYMBOLS_READ_HOOK; | |
670 | tv[i].tv_u.tv_register_all_symbols_read = register_all_symbols_read; | |
671 | ||
672 | ++i; | |
673 | tv[i].tv_tag = LDPT_REGISTER_CLEANUP_HOOK; | |
674 | tv[i].tv_u.tv_register_cleanup = register_cleanup; | |
675 | ||
676 | ++i; | |
677 | tv[i].tv_tag = LDPT_GET_SYMBOLS; | |
678 | tv[i].tv_u.tv_get_symbols = get_symbols; | |
679 | ||
680 | ++i; | |
681 | tv[i].tv_tag = LDPT_GET_SYMBOLS_V2; | |
682 | tv[i].tv_u.tv_get_symbols = get_symbols; | |
683 | ||
684 | ++i; | |
685 | tv[i].tv_tag = LDPT_OPTION; | |
686 | tv[i].tv_u.tv_string = plugin_list_iter->lto_wrapper; | |
687 | ||
688 | ++i; | |
689 | tv[i].tv_tag = LDPT_OPTION; | |
690 | tv[i].tv_u.tv_string = plugin_list_iter->resolution_option; | |
691 | ||
692 | ++i; | |
693 | tv[i].tv_tag = LDPT_LINKER_OUTPUT; | |
694 | tv[i].tv_u.tv_val = LDPO_EXEC; | |
695 | ||
696 | ++i; | |
697 | tv[i].tv_tag = LDPT_ADD_INPUT_FILE; | |
698 | tv[i].tv_u.tv_add_input_file = add_input_file; | |
699 | } | |
700 | ||
ce3c775b NC |
701 | ++i; |
702 | tv[i].tv_tag = LDPT_NULL; | |
703 | tv[i].tv_u.tv_val = 0; | |
704 | ||
0aa99dcd L |
705 | current_plugin = plugin_list_iter; |
706 | ||
707 | /* LTO plugin will call handler hooks to set up plugin handlers. */ | |
ce3c775b NC |
708 | status = (*onload)(tv); |
709 | ||
710 | if (status != LDPS_OK) | |
b0ceb98a Z |
711 | return 0; |
712 | ||
0aa99dcd L |
713 | if (current_plugin->lto_wrapper |
714 | && setup_lto_wrapper_env (current_plugin)) | |
715 | return 0; | |
ce3c775b | 716 | |
103da91b | 717 | have_claim_file: |
5ae0078c L |
718 | *has_plugin_p = 1; |
719 | ||
720 | abfd->plugin_format = bfd_plugin_no; | |
721 | ||
0aa99dcd | 722 | if (!current_plugin->claim_file) |
b0ceb98a | 723 | return 0; |
ce3c775b | 724 | |
e44f5bef | 725 | if (!try_claim (abfd)) |
b0ceb98a | 726 | return 0; |
e44f5bef | 727 | |
5ae0078c | 728 | abfd->plugin_format = bfd_plugin_yes; |
ce3c775b | 729 | return 1; |
ce3c775b NC |
730 | } |
731 | ||
5ae0078c L |
732 | /* There may be plugin libraries in lib/bfd-plugins. */ |
733 | ||
734 | static int has_plugin = -1; | |
735 | ||
736 | static const bfd_target *(*ld_plugin_object_p) (bfd *); | |
737 | ||
ce3c775b NC |
738 | static const char *plugin_name; |
739 | ||
740 | void | |
741 | bfd_plugin_set_plugin (const char *p) | |
742 | { | |
743 | plugin_name = p; | |
5ae0078c L |
744 | has_plugin = p != NULL; |
745 | } | |
746 | ||
747 | /* Return TRUE if a plugin library is used. */ | |
748 | ||
749 | bfd_boolean | |
750 | bfd_plugin_specified_p (void) | |
751 | { | |
752 | return has_plugin > 0; | |
753 | } | |
754 | ||
7dc3990e L |
755 | /* Return TRUE if ABFD can be claimed by linker LTO plugin. */ |
756 | ||
757 | bfd_boolean | |
758 | bfd_link_plugin_object_p (bfd *abfd) | |
759 | { | |
760 | if (ld_plugin_object_p) | |
761 | return ld_plugin_object_p (abfd) != NULL; | |
762 | return FALSE; | |
763 | } | |
764 | ||
5ae0078c L |
765 | extern const bfd_target plugin_vec; |
766 | ||
767 | /* Return TRUE if TARGET is a pointer to plugin_vec. */ | |
768 | ||
769 | bfd_boolean | |
770 | bfd_plugin_target_p (const bfd_target *target) | |
771 | { | |
772 | return target == &plugin_vec; | |
773 | } | |
774 | ||
775 | /* Register OBJECT_P to be used by bfd_plugin_object_p. */ | |
776 | ||
777 | void | |
778 | register_ld_plugin_object_p (const bfd_target *(*object_p) (bfd *)) | |
779 | { | |
780 | ld_plugin_object_p = object_p; | |
ce3c775b NC |
781 | } |
782 | ||
783 | static int | |
e44f5bef | 784 | load_plugin (bfd *abfd) |
ce3c775b | 785 | { |
41f37a6f AM |
786 | /* The intent was to search ${libdir}/bfd-plugins for plugins, but |
787 | unfortunately the original implementation wasn't precisely that | |
788 | when configuring binutils using --libdir. Search in the proper | |
789 | path first, then the old one for backwards compatibility. */ | |
790 | static const char *path[] | |
791 | = { LIBDIR "/bfd-plugins", BINDIR "/../lib/bfd-plugins" }; | |
792 | struct stat last_st; | |
ce3c775b | 793 | int found = 0; |
41f37a6f | 794 | unsigned int i; |
ce3c775b | 795 | |
5ae0078c L |
796 | if (!has_plugin) |
797 | return found; | |
798 | ||
ce3c775b | 799 | if (plugin_name) |
5ae0078c | 800 | return try_load_plugin (plugin_name, abfd, &has_plugin); |
ce3c775b | 801 | |
fc579192 | 802 | if (plugin_program_name == NULL) |
5ae0078c | 803 | return found; |
ce3c775b | 804 | |
41f37a6f AM |
805 | /* Try not to search the same dir twice, by looking at st_dev and |
806 | st_ino for the dir. If we are on a file system that always sets | |
807 | st_ino to zero or the actual st_ino is zero we might waste some | |
808 | time, but that doesn't matter too much. */ | |
809 | last_st.st_dev = 0; | |
810 | last_st.st_ino = 0; | |
811 | for (i = 0; i < sizeof (path) / sizeof (path[0]); i++) | |
ce3c775b | 812 | { |
41f37a6f AM |
813 | char *plugin_dir = make_relative_prefix (plugin_program_name, |
814 | BINDIR, | |
815 | path[i]); | |
816 | if (plugin_dir) | |
817 | { | |
818 | struct stat st; | |
819 | DIR *d; | |
820 | ||
821 | if (stat (plugin_dir, &st) == 0 | |
822 | && S_ISDIR (st.st_mode) | |
823 | && !(last_st.st_dev == st.st_dev | |
824 | && last_st.st_ino == st.st_ino | |
825 | && st.st_ino != 0) | |
826 | && (d = opendir (plugin_dir)) != NULL) | |
827 | { | |
828 | struct dirent *ent; | |
829 | ||
830 | last_st.st_dev = st.st_dev; | |
831 | last_st.st_ino = st.st_ino; | |
832 | while ((ent = readdir (d)) != NULL) | |
833 | { | |
834 | char *full_name; | |
835 | ||
836 | full_name = concat (plugin_dir, "/", ent->d_name, NULL); | |
837 | if (stat (full_name, &st) == 0 && S_ISREG (st.st_mode)) | |
838 | { | |
839 | int valid_plugin; | |
840 | ||
841 | found = try_load_plugin (full_name, abfd, &valid_plugin); | |
842 | if (has_plugin <= 0) | |
843 | has_plugin = valid_plugin; | |
844 | } | |
845 | free (full_name); | |
846 | if (found) | |
847 | break; | |
848 | } | |
849 | closedir (d); | |
850 | } | |
851 | free (plugin_dir); | |
852 | } | |
ce3c775b NC |
853 | if (found) |
854 | break; | |
855 | } | |
856 | ||
ce3c775b NC |
857 | return found; |
858 | } | |
859 | ||
860 | ||
861 | static const bfd_target * | |
862 | bfd_plugin_object_p (bfd *abfd) | |
863 | { | |
5ae0078c L |
864 | if (ld_plugin_object_p) |
865 | return ld_plugin_object_p (abfd); | |
866 | ||
49f30d83 | 867 | if (abfd->plugin_format == bfd_plugin_unknown && !load_plugin (abfd)) |
ce3c775b NC |
868 | return NULL; |
869 | ||
5ae0078c | 870 | return abfd->plugin_format == bfd_plugin_yes ? abfd->xvec : NULL; |
ce3c775b NC |
871 | } |
872 | ||
873 | /* Copy any private info we understand from the input bfd | |
874 | to the output bfd. */ | |
875 | ||
876 | static bfd_boolean | |
877 | bfd_plugin_bfd_copy_private_bfd_data (bfd *ibfd ATTRIBUTE_UNUSED, | |
878 | bfd *obfd ATTRIBUTE_UNUSED) | |
879 | { | |
880 | BFD_ASSERT (0); | |
881 | return TRUE; | |
882 | } | |
883 | ||
884 | /* Copy any private info we understand from the input section | |
885 | to the output section. */ | |
886 | ||
887 | static bfd_boolean | |
888 | bfd_plugin_bfd_copy_private_section_data (bfd *ibfd ATTRIBUTE_UNUSED, | |
889 | asection *isection ATTRIBUTE_UNUSED, | |
890 | bfd *obfd ATTRIBUTE_UNUSED, | |
891 | asection *osection ATTRIBUTE_UNUSED) | |
892 | { | |
893 | BFD_ASSERT (0); | |
894 | return TRUE; | |
895 | } | |
896 | ||
897 | /* Copy any private info we understand from the input symbol | |
898 | to the output symbol. */ | |
899 | ||
900 | static bfd_boolean | |
901 | bfd_plugin_bfd_copy_private_symbol_data (bfd *ibfd ATTRIBUTE_UNUSED, | |
902 | asymbol *isymbol ATTRIBUTE_UNUSED, | |
903 | bfd *obfd ATTRIBUTE_UNUSED, | |
904 | asymbol *osymbol ATTRIBUTE_UNUSED) | |
905 | { | |
906 | BFD_ASSERT (0); | |
907 | return TRUE; | |
908 | } | |
909 | ||
910 | static bfd_boolean | |
911 | bfd_plugin_bfd_print_private_bfd_data (bfd *abfd ATTRIBUTE_UNUSED, PTR ptr ATTRIBUTE_UNUSED) | |
912 | { | |
913 | BFD_ASSERT (0); | |
914 | return TRUE; | |
915 | } | |
916 | ||
917 | static char * | |
918 | bfd_plugin_core_file_failing_command (bfd *abfd ATTRIBUTE_UNUSED) | |
919 | { | |
920 | BFD_ASSERT (0); | |
921 | return NULL; | |
922 | } | |
923 | ||
924 | static int | |
925 | bfd_plugin_core_file_failing_signal (bfd *abfd ATTRIBUTE_UNUSED) | |
261b8d08 PA |
926 | { |
927 | BFD_ASSERT (0); | |
928 | return 0; | |
929 | } | |
930 | ||
931 | static int | |
932 | bfd_plugin_core_file_pid (bfd *abfd ATTRIBUTE_UNUSED) | |
ce3c775b NC |
933 | { |
934 | BFD_ASSERT (0); | |
935 | return 0; | |
936 | } | |
937 | ||
938 | static long | |
939 | bfd_plugin_get_symtab_upper_bound (bfd *abfd) | |
940 | { | |
941 | struct plugin_data_struct *plugin_data = abfd->tdata.plugin_data; | |
942 | long nsyms = plugin_data->nsyms; | |
943 | ||
944 | BFD_ASSERT (nsyms >= 0); | |
945 | ||
946 | return ((nsyms + 1) * sizeof (asymbol *)); | |
947 | } | |
948 | ||
949 | static flagword | |
950 | convert_flags (const struct ld_plugin_symbol *sym) | |
951 | { | |
952 | switch (sym->def) | |
68ffbac6 | 953 | { |
ce3c775b NC |
954 | case LDPK_DEF: |
955 | case LDPK_COMMON: | |
956 | case LDPK_UNDEF: | |
957 | return BSF_GLOBAL; | |
958 | ||
959 | case LDPK_WEAKUNDEF: | |
960 | case LDPK_WEAKDEF: | |
961 | return BSF_GLOBAL | BSF_WEAK; | |
962 | ||
963 | default: | |
964 | BFD_ASSERT (0); | |
965 | return 0; | |
966 | } | |
967 | } | |
968 | ||
969 | static long | |
970 | bfd_plugin_canonicalize_symtab (bfd *abfd, | |
971 | asymbol **alocation) | |
972 | { | |
973 | struct plugin_data_struct *plugin_data = abfd->tdata.plugin_data; | |
974 | long nsyms = plugin_data->nsyms; | |
975 | const struct ld_plugin_symbol *syms = plugin_data->syms; | |
a288c270 AM |
976 | static asection fake_section |
977 | = BFD_FAKE_SECTION (fake_section, NULL, "plug", 0, | |
978 | SEC_ALLOC | SEC_LOAD | SEC_CODE | SEC_HAS_CONTENTS); | |
979 | static asection fake_common_section | |
980 | = BFD_FAKE_SECTION (fake_common_section, NULL, "plug", 0, SEC_IS_COMMON); | |
0aa99dcd L |
981 | int i, j; |
982 | long real_nsyms; | |
983 | asymbol **real_syms; | |
984 | ||
985 | real_syms = plugin_data->real_syms; | |
986 | if (real_syms) | |
987 | real_nsyms = plugin_data->real_nsyms; | |
988 | else | |
989 | real_nsyms = 0; | |
ce3c775b | 990 | |
ce3c775b NC |
991 | for (i = 0; i < nsyms; i++) |
992 | { | |
68ffbac6 | 993 | asymbol *s = bfd_alloc (abfd, sizeof (asymbol)); |
ce3c775b NC |
994 | |
995 | BFD_ASSERT (s); | |
996 | alocation[i] = s; | |
997 | ||
998 | s->the_bfd = abfd; | |
999 | s->name = syms[i].name; | |
1000 | s->value = 0; | |
1001 | s->flags = convert_flags (&syms[i]); | |
1002 | switch (syms[i].def) | |
1003 | { | |
1004 | case LDPK_COMMON: | |
1005 | s->section = &fake_common_section; | |
1006 | break; | |
1007 | case LDPK_UNDEF: | |
1008 | case LDPK_WEAKUNDEF: | |
1009 | s->section = bfd_und_section_ptr; | |
1010 | break; | |
1011 | case LDPK_DEF: | |
1012 | case LDPK_WEAKDEF: | |
1013 | s->section = &fake_section; | |
0aa99dcd L |
1014 | if (real_nsyms) |
1015 | /* Use real LTO symbols if possible. */ | |
1016 | for (j = 0; j < real_nsyms; j++) | |
1017 | if (real_syms[j]->name | |
1018 | && strcmp (syms[i].name, real_syms[j]->name) == 0) | |
1019 | { | |
1020 | s->section = real_syms[j]->section; | |
1021 | break; | |
1022 | } | |
ce3c775b NC |
1023 | break; |
1024 | default: | |
1025 | BFD_ASSERT (0); | |
1026 | } | |
1027 | ||
1028 | s->udata.p = (void *) &syms[i]; | |
1029 | } | |
1030 | ||
1031 | return nsyms; | |
1032 | } | |
1033 | ||
1034 | static void | |
1035 | bfd_plugin_print_symbol (bfd *abfd ATTRIBUTE_UNUSED, | |
1036 | PTR afile ATTRIBUTE_UNUSED, | |
1037 | asymbol *symbol ATTRIBUTE_UNUSED, | |
1038 | bfd_print_symbol_type how ATTRIBUTE_UNUSED) | |
1039 | { | |
1040 | BFD_ASSERT (0); | |
1041 | } | |
1042 | ||
1043 | static void | |
1044 | bfd_plugin_get_symbol_info (bfd *abfd ATTRIBUTE_UNUSED, | |
1045 | asymbol *symbol, | |
1046 | symbol_info *ret) | |
1047 | { | |
1048 | bfd_symbol_info (symbol, ret); | |
1049 | } | |
1050 | ||
1051 | /* Make an empty symbol. */ | |
1052 | ||
1053 | static asymbol * | |
1054 | bfd_plugin_make_empty_symbol (bfd *abfd) | |
1055 | { | |
d3ce72d0 NC |
1056 | asymbol *new_symbol = bfd_zalloc (abfd, sizeof (asymbol)); |
1057 | if (new_symbol == NULL) | |
1058 | return new_symbol; | |
1059 | new_symbol->the_bfd = abfd; | |
1060 | return new_symbol; | |
ce3c775b NC |
1061 | } |
1062 | ||
1063 | static int | |
1064 | bfd_plugin_sizeof_headers (bfd *a ATTRIBUTE_UNUSED, | |
1065 | struct bfd_link_info *info ATTRIBUTE_UNUSED) | |
1066 | { | |
1067 | BFD_ASSERT (0); | |
1068 | return 0; | |
1069 | } | |
1070 | ||
0aa99dcd L |
1071 | static bfd_boolean |
1072 | bfd_plugin_close_and_cleanup (bfd *abfd) | |
1073 | { | |
1074 | struct plugin_data_struct *plugin_data; | |
1075 | ||
1076 | if (abfd->format != bfd_archive | |
1077 | && (plugin_data = abfd->tdata.plugin_data)) | |
1078 | { | |
1079 | if (plugin_data->real_bfd) | |
1080 | bfd_close (plugin_data->real_bfd); | |
1081 | ||
1082 | if (plugin_data->real_syms) | |
1083 | free (plugin_data->real_syms); | |
1084 | } | |
1085 | ||
1086 | return _bfd_generic_close_and_cleanup (abfd); | |
1087 | } | |
1088 | ||
ce3c775b NC |
1089 | const bfd_target plugin_vec = |
1090 | { | |
1091 | "plugin", /* Name. */ | |
1092 | bfd_target_unknown_flavour, | |
1093 | BFD_ENDIAN_LITTLE, /* Target byte order. */ | |
1094 | BFD_ENDIAN_LITTLE, /* Target headers byte order. */ | |
1095 | (HAS_RELOC | EXEC_P | /* Object flags. */ | |
1096 | HAS_LINENO | HAS_DEBUG | | |
1097 | HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT | D_PAGED), | |
1098 | (SEC_CODE | SEC_DATA | SEC_ROM | SEC_HAS_CONTENTS | |
1099 | | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* Section flags. */ | |
1100 | 0, /* symbol_leading_char. */ | |
1101 | '/', /* ar_pad_char. */ | |
1102 | 15, /* ar_max_namelen. */ | |
64bfc258 | 1103 | 255, /* match priority. */ |
ce3c775b NC |
1104 | |
1105 | bfd_getl64, bfd_getl_signed_64, bfd_putl64, | |
1106 | bfd_getl32, bfd_getl_signed_32, bfd_putl32, | |
1107 | bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* data */ | |
1108 | bfd_getl64, bfd_getl_signed_64, bfd_putl64, | |
1109 | bfd_getl32, bfd_getl_signed_32, bfd_putl32, | |
1110 | bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* hdrs */ | |
1111 | ||
1112 | { /* bfd_check_format. */ | |
1113 | _bfd_dummy_target, | |
1114 | bfd_plugin_object_p, | |
1115 | bfd_generic_archive_p, | |
1116 | _bfd_dummy_target | |
1117 | }, | |
1118 | { /* bfd_set_format. */ | |
d00dd7dc AM |
1119 | _bfd_bool_bfd_false_error, |
1120 | _bfd_bool_bfd_false_error, | |
ce3c775b | 1121 | _bfd_generic_mkarchive, |
d00dd7dc | 1122 | _bfd_bool_bfd_false_error, |
ce3c775b NC |
1123 | }, |
1124 | { /* bfd_write_contents. */ | |
d00dd7dc AM |
1125 | _bfd_bool_bfd_false_error, |
1126 | _bfd_bool_bfd_false_error, | |
ce3c775b | 1127 | _bfd_write_archive_contents, |
d00dd7dc | 1128 | _bfd_bool_bfd_false_error, |
ce3c775b NC |
1129 | }, |
1130 | ||
1131 | BFD_JUMP_TABLE_GENERIC (bfd_plugin), | |
1132 | BFD_JUMP_TABLE_COPY (bfd_plugin), | |
1133 | BFD_JUMP_TABLE_CORE (bfd_plugin), | |
e6cc316a L |
1134 | #ifdef USE_64_BIT_ARCHIVE |
1135 | BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_64_bit), | |
1136 | #else | |
ce3c775b | 1137 | BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff), |
e6cc316a | 1138 | #endif |
ce3c775b NC |
1139 | BFD_JUMP_TABLE_SYMBOLS (bfd_plugin), |
1140 | BFD_JUMP_TABLE_RELOCS (_bfd_norelocs), | |
1141 | BFD_JUMP_TABLE_WRITE (bfd_plugin), | |
1142 | BFD_JUMP_TABLE_LINK (bfd_plugin), | |
1143 | BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic), | |
1144 | ||
1145 | NULL, | |
1146 | ||
07d6d2b8 | 1147 | NULL /* backend_data. */ |
ce3c775b | 1148 | }; |
98950613 | 1149 | #endif /* BFD_SUPPORTS_PLUGIN */ |