Commit | Line | Data |
---|---|---|
89fc3421 CC |
1 | /* test_plugin.c -- simple linker plugin test |
2 | ||
b90efa5b | 3 | Copyright (C) 2008-2015 Free Software Foundation, Inc. |
89fc3421 CC |
4 | Written by Cary Coutant <ccoutant@google.com>. |
5 | ||
6 | This file is part of gold. | |
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 | |
19 | along with this program; if not, write to the Free Software | |
20 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, | |
21 | MA 02110-1301, USA. */ | |
22 | ||
88ee28e9 L |
23 | #ifdef HAVE_CONFIG_H |
24 | #include "config.h" | |
25 | #endif | |
26 | ||
89fc3421 CC |
27 | #include <stdio.h> |
28 | #include <stdlib.h> | |
29 | #include <string.h> | |
30 | #include "plugin-api.h" | |
31 | ||
32 | struct claimed_file | |
33 | { | |
34 | const char* name; | |
35 | void* handle; | |
36 | int nsyms; | |
37 | struct ld_plugin_symbol* syms; | |
38 | struct claimed_file* next; | |
39 | }; | |
40 | ||
0f7c0701 CC |
41 | struct sym_info |
42 | { | |
43 | int size; | |
44 | char* type; | |
45 | char* bind; | |
46 | char* vis; | |
47 | char* sect; | |
48 | char* name; | |
49 | }; | |
50 | ||
89fc3421 CC |
51 | static struct claimed_file* first_claimed_file = NULL; |
52 | static struct claimed_file* last_claimed_file = NULL; | |
53 | ||
54 | static ld_plugin_register_claim_file register_claim_file_hook = NULL; | |
55 | static ld_plugin_register_all_symbols_read register_all_symbols_read_hook = NULL; | |
56 | static ld_plugin_register_cleanup register_cleanup_hook = NULL; | |
57 | static ld_plugin_add_symbols add_symbols = NULL; | |
58 | static ld_plugin_get_symbols get_symbols = NULL; | |
235061c2 | 59 | static ld_plugin_get_symbols get_symbols_v2 = NULL; |
89fc3421 CC |
60 | static ld_plugin_add_input_file add_input_file = NULL; |
61 | static ld_plugin_message message = NULL; | |
0f7c0701 CC |
62 | static ld_plugin_get_input_file get_input_file = NULL; |
63 | static ld_plugin_release_input_file release_input_file = NULL; | |
e9552f7e ST |
64 | static ld_plugin_get_input_section_count get_input_section_count = NULL; |
65 | static ld_plugin_get_input_section_type get_input_section_type = NULL; | |
66 | static ld_plugin_get_input_section_name get_input_section_name = NULL; | |
67 | static ld_plugin_get_input_section_contents get_input_section_contents = NULL; | |
68 | static ld_plugin_update_section_order update_section_order = NULL; | |
69 | static ld_plugin_allow_section_ordering allow_section_ordering = NULL; | |
89fc3421 CC |
70 | |
71 | #define MAXOPTS 10 | |
72 | ||
73 | static const char *opts[MAXOPTS]; | |
74 | static int nopts = 0; | |
75 | ||
76 | enum ld_plugin_status onload(struct ld_plugin_tv *tv); | |
77 | enum ld_plugin_status claim_file_hook(const struct ld_plugin_input_file *file, | |
78 | int *claimed); | |
79 | enum ld_plugin_status all_symbols_read_hook(void); | |
80 | enum ld_plugin_status cleanup_hook(void); | |
81 | ||
0f7c0701 CC |
82 | static void parse_readelf_line(char*, struct sym_info*); |
83 | ||
89fc3421 CC |
84 | enum ld_plugin_status |
85 | onload(struct ld_plugin_tv *tv) | |
86 | { | |
87 | struct ld_plugin_tv *entry; | |
88 | int api_version = 0; | |
89 | int gold_version = 0; | |
90 | int i; | |
91 | ||
92 | for (entry = tv; entry->tv_tag != LDPT_NULL; ++entry) | |
93 | { | |
94 | switch (entry->tv_tag) | |
95 | { | |
96 | case LDPT_API_VERSION: | |
97 | api_version = entry->tv_u.tv_val; | |
98 | break; | |
99 | case LDPT_GOLD_VERSION: | |
100 | gold_version = entry->tv_u.tv_val; | |
101 | break; | |
102 | case LDPT_LINKER_OUTPUT: | |
103 | break; | |
104 | case LDPT_OPTION: | |
105 | if (nopts < MAXOPTS) | |
106 | opts[nopts++] = entry->tv_u.tv_string; | |
107 | break; | |
108 | case LDPT_REGISTER_CLAIM_FILE_HOOK: | |
109 | register_claim_file_hook = entry->tv_u.tv_register_claim_file; | |
110 | break; | |
111 | case LDPT_REGISTER_ALL_SYMBOLS_READ_HOOK: | |
112 | register_all_symbols_read_hook = | |
113 | entry->tv_u.tv_register_all_symbols_read; | |
114 | break; | |
115 | case LDPT_REGISTER_CLEANUP_HOOK: | |
116 | register_cleanup_hook = entry->tv_u.tv_register_cleanup; | |
117 | break; | |
118 | case LDPT_ADD_SYMBOLS: | |
119 | add_symbols = entry->tv_u.tv_add_symbols; | |
120 | break; | |
121 | case LDPT_GET_SYMBOLS: | |
122 | get_symbols = entry->tv_u.tv_get_symbols; | |
123 | break; | |
235061c2 CC |
124 | case LDPT_GET_SYMBOLS_V2: |
125 | get_symbols_v2 = entry->tv_u.tv_get_symbols; | |
126 | break; | |
89fc3421 CC |
127 | case LDPT_ADD_INPUT_FILE: |
128 | add_input_file = entry->tv_u.tv_add_input_file; | |
129 | break; | |
130 | case LDPT_MESSAGE: | |
131 | message = entry->tv_u.tv_message; | |
132 | break; | |
0f7c0701 CC |
133 | case LDPT_GET_INPUT_FILE: |
134 | get_input_file = entry->tv_u.tv_get_input_file; | |
135 | break; | |
136 | case LDPT_RELEASE_INPUT_FILE: | |
137 | release_input_file = entry->tv_u.tv_release_input_file; | |
138 | break; | |
e9552f7e ST |
139 | case LDPT_GET_INPUT_SECTION_COUNT: |
140 | get_input_section_count = *entry->tv_u.tv_get_input_section_count; | |
141 | break; | |
142 | case LDPT_GET_INPUT_SECTION_TYPE: | |
143 | get_input_section_type = *entry->tv_u.tv_get_input_section_type; | |
144 | break; | |
145 | case LDPT_GET_INPUT_SECTION_NAME: | |
146 | get_input_section_name = *entry->tv_u.tv_get_input_section_name; | |
147 | break; | |
148 | case LDPT_GET_INPUT_SECTION_CONTENTS: | |
149 | get_input_section_contents = *entry->tv_u.tv_get_input_section_contents; | |
150 | break; | |
151 | case LDPT_UPDATE_SECTION_ORDER: | |
152 | update_section_order = *entry->tv_u.tv_update_section_order; | |
153 | break; | |
154 | case LDPT_ALLOW_SECTION_ORDERING: | |
155 | allow_section_ordering = *entry->tv_u.tv_allow_section_ordering; | |
156 | break; | |
89fc3421 CC |
157 | default: |
158 | break; | |
159 | } | |
160 | } | |
161 | ||
162 | if (message == NULL) | |
163 | { | |
164 | fprintf(stderr, "tv_message interface missing\n"); | |
165 | return LDPS_ERR; | |
166 | } | |
167 | ||
168 | if (register_claim_file_hook == NULL) | |
169 | { | |
170 | fprintf(stderr, "tv_register_claim_file_hook interface missing\n"); | |
171 | return LDPS_ERR; | |
172 | } | |
173 | ||
174 | if (register_all_symbols_read_hook == NULL) | |
175 | { | |
176 | fprintf(stderr, "tv_register_all_symbols_read_hook interface missing\n"); | |
177 | return LDPS_ERR; | |
178 | } | |
179 | ||
180 | if (register_cleanup_hook == NULL) | |
181 | { | |
182 | fprintf(stderr, "tv_register_cleanup_hook interface missing\n"); | |
183 | return LDPS_ERR; | |
184 | } | |
185 | ||
186 | (*message)(LDPL_INFO, "API version: %d", api_version); | |
187 | (*message)(LDPL_INFO, "gold version: %d", gold_version); | |
188 | ||
189 | for (i = 0; i < nopts; ++i) | |
190 | (*message)(LDPL_INFO, "option: %s", opts[i]); | |
191 | ||
192 | if ((*register_claim_file_hook)(claim_file_hook) != LDPS_OK) | |
193 | { | |
194 | (*message)(LDPL_ERROR, "error registering claim file hook"); | |
195 | return LDPS_ERR; | |
196 | } | |
197 | ||
198 | if ((*register_all_symbols_read_hook)(all_symbols_read_hook) != LDPS_OK) | |
199 | { | |
200 | (*message)(LDPL_ERROR, "error registering all symbols read hook"); | |
201 | return LDPS_ERR; | |
202 | } | |
203 | ||
204 | if ((*register_cleanup_hook)(cleanup_hook) != LDPS_OK) | |
205 | { | |
206 | (*message)(LDPL_ERROR, "error registering cleanup hook"); | |
207 | return LDPS_ERR; | |
208 | } | |
209 | ||
e9552f7e ST |
210 | if (get_input_section_count == NULL) |
211 | { | |
212 | fprintf(stderr, "tv_get_input_section_count interface missing\n"); | |
213 | return LDPS_ERR; | |
214 | } | |
215 | ||
216 | if (get_input_section_type == NULL) | |
217 | { | |
218 | fprintf(stderr, "tv_get_input_section_type interface missing\n"); | |
219 | return LDPS_ERR; | |
220 | } | |
221 | ||
222 | if (get_input_section_name == NULL) | |
223 | { | |
224 | fprintf(stderr, "tv_get_input_section_name interface missing\n"); | |
225 | return LDPS_ERR; | |
226 | } | |
227 | ||
228 | if (get_input_section_contents == NULL) | |
229 | { | |
230 | fprintf(stderr, "tv_get_input_section_contents interface missing\n"); | |
231 | return LDPS_ERR; | |
232 | } | |
233 | ||
234 | if (update_section_order == NULL) | |
235 | { | |
236 | fprintf(stderr, "tv_update_section_order interface missing\n"); | |
237 | return LDPS_ERR; | |
238 | } | |
239 | ||
240 | if (allow_section_ordering == NULL) | |
241 | { | |
242 | fprintf(stderr, "tv_allow_section_ordering interface missing\n"); | |
243 | return LDPS_ERR; | |
244 | } | |
245 | ||
89fc3421 CC |
246 | return LDPS_OK; |
247 | } | |
248 | ||
249 | enum ld_plugin_status | |
250 | claim_file_hook (const struct ld_plugin_input_file* file, int* claimed) | |
251 | { | |
252 | int len; | |
0f7c0701 | 253 | off_t end_offset; |
89fc3421 CC |
254 | char buf[160]; |
255 | struct claimed_file* claimed_file; | |
256 | struct ld_plugin_symbol* syms; | |
257 | int nsyms = 0; | |
258 | int maxsyms = 0; | |
259 | FILE* irfile; | |
0f7c0701 | 260 | struct sym_info info; |
89fc3421 CC |
261 | int weak; |
262 | int def; | |
263 | int vis; | |
89fc3421 CC |
264 | int is_comdat; |
265 | int i; | |
2cfbf2fe CC |
266 | int irfile_was_opened = 0; |
267 | char syms_name[80]; | |
89fc3421 CC |
268 | |
269 | (*message)(LDPL_INFO, | |
270 | "%s: claim file hook called (offset = %ld, size = %ld)", | |
271 | file->name, (long)file->offset, (long)file->filesize); | |
272 | ||
2cfbf2fe CC |
273 | /* Look for matching syms file for an archive member. */ |
274 | if (file->offset == 0) | |
275 | snprintf(syms_name, sizeof(syms_name), "%s.syms", file->name); | |
276 | else | |
277 | snprintf(syms_name, sizeof(syms_name), "%s-%d.syms", | |
278 | file->name, (int)file->offset); | |
279 | irfile = fopen(syms_name, "r"); | |
280 | if (irfile != NULL) | |
281 | { | |
282 | irfile_was_opened = 1; | |
283 | end_offset = 1 << 20; | |
284 | } | |
285 | ||
286 | /* Otherwise, see if the file itself is a syms file. */ | |
287 | if (!irfile_was_opened) | |
288 | { | |
289 | irfile = fdopen(file->fd, "r"); | |
290 | (void)fseek(irfile, file->offset, SEEK_SET); | |
291 | end_offset = file->offset + file->filesize; | |
292 | } | |
293 | ||
89fc3421 | 294 | /* Look for the beginning of output from readelf -s. */ |
89fc3421 CC |
295 | len = fread(buf, 1, 13, irfile); |
296 | if (len < 13 || strncmp(buf, "\nSymbol table", 13) != 0) | |
297 | return LDPS_OK; | |
298 | ||
299 | /* Skip the two header lines. */ | |
300 | (void) fgets(buf, sizeof(buf), irfile); | |
301 | (void) fgets(buf, sizeof(buf), irfile); | |
302 | ||
303 | if (add_symbols == NULL) | |
304 | { | |
305 | fprintf(stderr, "tv_add_symbols interface missing\n"); | |
306 | return LDPS_ERR; | |
307 | } | |
308 | ||
309 | /* Parse the output from readelf. The columns are: | |
310 | Index Value Size Type Binding Visibility Section Name. */ | |
311 | syms = (struct ld_plugin_symbol*)malloc(sizeof(struct ld_plugin_symbol) * 8); | |
312 | if (syms == NULL) | |
313 | return LDPS_ERR; | |
314 | maxsyms = 8; | |
0f7c0701 CC |
315 | while (ftell(irfile) < end_offset |
316 | && fgets(buf, sizeof(buf), irfile) != NULL) | |
89fc3421 | 317 | { |
0f7c0701 | 318 | parse_readelf_line(buf, &info); |
89fc3421 CC |
319 | |
320 | /* Ignore local symbols. */ | |
0f7c0701 | 321 | if (strncmp(info.bind, "LOCAL", 5) == 0) |
89fc3421 CC |
322 | continue; |
323 | ||
0f7c0701 CC |
324 | weak = strncmp(info.bind, "WEAK", 4) == 0; |
325 | if (strncmp(info.sect, "UND", 3) == 0) | |
89fc3421 | 326 | def = weak ? LDPK_WEAKUNDEF : LDPK_UNDEF; |
0f7c0701 | 327 | else if (strncmp(info.sect, "COM", 3) == 0) |
89fc3421 CC |
328 | def = LDPK_COMMON; |
329 | else | |
330 | def = weak ? LDPK_WEAKDEF : LDPK_DEF; | |
331 | ||
0f7c0701 | 332 | if (strncmp(info.vis, "INTERNAL", 8) == 0) |
89fc3421 | 333 | vis = LDPV_INTERNAL; |
0f7c0701 | 334 | else if (strncmp(info.vis, "HIDDEN", 6) == 0) |
89fc3421 | 335 | vis = LDPV_HIDDEN; |
0f7c0701 | 336 | else if (strncmp(info.vis, "PROTECTED", 9) == 0) |
89fc3421 CC |
337 | vis = LDPV_PROTECTED; |
338 | else | |
339 | vis = LDPV_DEFAULT; | |
340 | ||
341 | /* If the symbol is listed in the options list, special-case | |
342 | it as a comdat symbol. */ | |
343 | is_comdat = 0; | |
344 | for (i = 0; i < nopts; ++i) | |
345 | { | |
0f7c0701 | 346 | if (info.name != NULL && strcmp(info.name, opts[i]) == 0) |
89fc3421 CC |
347 | { |
348 | is_comdat = 1; | |
349 | break; | |
350 | } | |
351 | } | |
352 | ||
353 | if (nsyms >= maxsyms) | |
354 | { | |
355 | syms = (struct ld_plugin_symbol*) | |
356 | realloc(syms, sizeof(struct ld_plugin_symbol) * maxsyms * 2); | |
357 | if (syms == NULL) | |
358 | return LDPS_ERR; | |
359 | maxsyms *= 2; | |
360 | } | |
361 | ||
0f7c0701 CC |
362 | if (info.name == NULL) |
363 | syms[nsyms].name = NULL; | |
364 | else | |
365 | { | |
366 | len = strlen(info.name); | |
367 | syms[nsyms].name = malloc(len + 1); | |
368 | strncpy(syms[nsyms].name, info.name, len + 1); | |
369 | } | |
89fc3421 CC |
370 | syms[nsyms].version = NULL; |
371 | syms[nsyms].def = def; | |
372 | syms[nsyms].visibility = vis; | |
0f7c0701 CC |
373 | syms[nsyms].size = info.size; |
374 | syms[nsyms].comdat_key = is_comdat ? syms[nsyms].name : NULL; | |
89fc3421 CC |
375 | syms[nsyms].resolution = LDPR_UNKNOWN; |
376 | ++nsyms; | |
377 | } | |
378 | ||
379 | claimed_file = (struct claimed_file*) malloc(sizeof(struct claimed_file)); | |
380 | if (claimed_file == NULL) | |
381 | return LDPS_ERR; | |
382 | ||
383 | claimed_file->name = file->name; | |
384 | claimed_file->handle = file->handle; | |
385 | claimed_file->nsyms = nsyms; | |
386 | claimed_file->syms = syms; | |
387 | claimed_file->next = NULL; | |
388 | if (last_claimed_file == NULL) | |
389 | first_claimed_file = claimed_file; | |
390 | else | |
391 | last_claimed_file->next = claimed_file; | |
392 | last_claimed_file = claimed_file; | |
393 | ||
abc8dcba CC |
394 | (*message)(LDPL_INFO, "%s: claiming file, adding %d symbols", |
395 | file->name, nsyms); | |
396 | ||
397 | if (nsyms > 0) | |
398 | (*add_symbols)(file->handle, nsyms, syms); | |
89fc3421 CC |
399 | |
400 | *claimed = 1; | |
2cfbf2fe CC |
401 | if (irfile_was_opened) |
402 | fclose(irfile); | |
89fc3421 CC |
403 | return LDPS_OK; |
404 | } | |
405 | ||
406 | enum ld_plugin_status | |
407 | all_symbols_read_hook(void) | |
408 | { | |
409 | int i; | |
410 | const char* res; | |
411 | struct claimed_file* claimed_file; | |
0f7c0701 CC |
412 | struct ld_plugin_input_file file; |
413 | FILE* irfile; | |
414 | off_t end_offset; | |
415 | struct sym_info info; | |
416 | int len; | |
89fc3421 | 417 | char buf[160]; |
0f7c0701 CC |
418 | char* p; |
419 | const char* filename; | |
89fc3421 CC |
420 | |
421 | (*message)(LDPL_INFO, "all symbols read hook called"); | |
422 | ||
235061c2 | 423 | if (get_symbols_v2 == NULL) |
89fc3421 | 424 | { |
235061c2 | 425 | fprintf(stderr, "tv_get_symbols (v2) interface missing\n"); |
89fc3421 CC |
426 | return LDPS_ERR; |
427 | } | |
428 | ||
429 | for (claimed_file = first_claimed_file; | |
430 | claimed_file != NULL; | |
431 | claimed_file = claimed_file->next) | |
432 | { | |
235061c2 | 433 | (*get_symbols_v2)(claimed_file->handle, claimed_file->nsyms, |
89fc3421 | 434 | claimed_file->syms); |
0f7c0701 | 435 | |
89fc3421 CC |
436 | for (i = 0; i < claimed_file->nsyms; ++i) |
437 | { | |
438 | switch (claimed_file->syms[i].resolution) | |
439 | { | |
440 | case LDPR_UNKNOWN: | |
441 | res = "UNKNOWN"; | |
442 | break; | |
443 | case LDPR_UNDEF: | |
444 | res = "UNDEF"; | |
445 | break; | |
446 | case LDPR_PREVAILING_DEF: | |
447 | res = "PREVAILING_DEF_REG"; | |
448 | break; | |
449 | case LDPR_PREVAILING_DEF_IRONLY: | |
450 | res = "PREVAILING_DEF_IRONLY"; | |
451 | break; | |
235061c2 CC |
452 | case LDPR_PREVAILING_DEF_IRONLY_EXP: |
453 | res = "PREVAILING_DEF_IRONLY_EXP"; | |
454 | break; | |
89fc3421 CC |
455 | case LDPR_PREEMPTED_REG: |
456 | res = "PREEMPTED_REG"; | |
457 | break; | |
458 | case LDPR_PREEMPTED_IR: | |
459 | res = "PREEMPTED_IR"; | |
460 | break; | |
461 | case LDPR_RESOLVED_IR: | |
462 | res = "RESOLVED_IR"; | |
463 | break; | |
464 | case LDPR_RESOLVED_EXEC: | |
465 | res = "RESOLVED_EXEC"; | |
466 | break; | |
467 | case LDPR_RESOLVED_DYN: | |
468 | res = "RESOLVED_DYN"; | |
469 | break; | |
470 | default: | |
471 | res = "?"; | |
472 | break; | |
473 | } | |
474 | (*message)(LDPL_INFO, "%s: %s: %s", claimed_file->name, | |
475 | claimed_file->syms[i].name, res); | |
476 | } | |
477 | } | |
478 | ||
479 | if (add_input_file == NULL) | |
480 | { | |
481 | fprintf(stderr, "tv_add_input_file interface missing\n"); | |
482 | return LDPS_ERR; | |
483 | } | |
0f7c0701 CC |
484 | if (get_input_file == NULL) |
485 | { | |
486 | fprintf(stderr, "tv_get_input_file interface missing\n"); | |
487 | return LDPS_ERR; | |
488 | } | |
489 | if (release_input_file == NULL) | |
490 | { | |
491 | fprintf(stderr, "tv_release_input_file interface missing\n"); | |
492 | return LDPS_ERR; | |
493 | } | |
89fc3421 CC |
494 | |
495 | for (claimed_file = first_claimed_file; | |
496 | claimed_file != NULL; | |
497 | claimed_file = claimed_file->next) | |
498 | { | |
2cfbf2fe CC |
499 | int irfile_was_opened = 0; |
500 | char syms_name[80]; | |
501 | ||
0f7c0701 CC |
502 | (*get_input_file) (claimed_file->handle, &file); |
503 | ||
2cfbf2fe CC |
504 | if (file.offset == 0) |
505 | snprintf(syms_name, sizeof(syms_name), "%s.syms", file.name); | |
506 | else | |
507 | snprintf(syms_name, sizeof(syms_name), "%s-%d.syms", | |
508 | file.name, (int)file.offset); | |
509 | irfile = fopen(syms_name, "r"); | |
510 | if (irfile != NULL) | |
511 | { | |
512 | irfile_was_opened = 1; | |
513 | end_offset = 1 << 20; | |
514 | } | |
515 | ||
516 | if (!irfile_was_opened) | |
517 | { | |
518 | irfile = fdopen(file.fd, "r"); | |
519 | (void)fseek(irfile, file.offset, SEEK_SET); | |
520 | end_offset = file.offset + file.filesize; | |
521 | } | |
522 | ||
0f7c0701 | 523 | /* Look for the beginning of output from readelf -s. */ |
0f7c0701 CC |
524 | len = fread(buf, 1, 13, irfile); |
525 | if (len < 13 || strncmp(buf, "\nSymbol table", 13) != 0) | |
526 | { | |
527 | fprintf(stderr, "%s: can't re-read original input file\n", | |
528 | claimed_file->name); | |
529 | return LDPS_ERR; | |
530 | } | |
531 | ||
532 | /* Skip the two header lines. */ | |
533 | (void) fgets(buf, sizeof(buf), irfile); | |
534 | (void) fgets(buf, sizeof(buf), irfile); | |
535 | ||
536 | filename = NULL; | |
537 | while (ftell(irfile) < end_offset | |
538 | && fgets(buf, sizeof(buf), irfile) != NULL) | |
539 | { | |
540 | parse_readelf_line(buf, &info); | |
541 | ||
542 | /* Look for file name. */ | |
543 | if (strncmp(info.type, "FILE", 4) == 0) | |
544 | { | |
545 | len = strlen(info.name); | |
546 | p = malloc(len + 1); | |
547 | strncpy(p, info.name, len + 1); | |
548 | filename = p; | |
549 | break; | |
550 | } | |
551 | } | |
552 | ||
2cfbf2fe CC |
553 | if (irfile_was_opened) |
554 | fclose(irfile); | |
555 | ||
0f7c0701 CC |
556 | (*release_input_file) (claimed_file->handle); |
557 | ||
558 | if (filename == NULL) | |
559 | filename = claimed_file->name; | |
560 | ||
abc8dcba CC |
561 | if (claimed_file->nsyms == 0) |
562 | continue; | |
0f7c0701 CC |
563 | |
564 | if (strlen(filename) >= sizeof(buf)) | |
89fc3421 | 565 | { |
0f7c0701 | 566 | (*message)(LDPL_FATAL, "%s: filename too long", filename); |
89fc3421 CC |
567 | return LDPS_ERR; |
568 | } | |
0f7c0701 | 569 | strcpy(buf, filename); |
89fc3421 | 570 | p = strrchr(buf, '.'); |
0f7c0701 CC |
571 | if (p == NULL |
572 | || (strcmp(p, ".syms") != 0 | |
573 | && strcmp(p, ".c") != 0 | |
574 | && strcmp(p, ".cc") != 0)) | |
89fc3421 | 575 | { |
0f7c0701 CC |
576 | (*message)(LDPL_FATAL, "%s: filename has unknown suffix", |
577 | filename); | |
89fc3421 CC |
578 | return LDPS_ERR; |
579 | } | |
580 | p[1] = 'o'; | |
581 | p[2] = '\0'; | |
0f7c0701 | 582 | (*message)(LDPL_INFO, "%s: adding new input file", buf); |
89fc3421 CC |
583 | (*add_input_file)(buf); |
584 | } | |
585 | ||
586 | return LDPS_OK; | |
587 | } | |
588 | ||
589 | enum ld_plugin_status | |
590 | cleanup_hook(void) | |
591 | { | |
592 | (*message)(LDPL_INFO, "cleanup hook called"); | |
593 | return LDPS_OK; | |
594 | } | |
0f7c0701 CC |
595 | |
596 | static void | |
597 | parse_readelf_line(char* p, struct sym_info* info) | |
598 | { | |
599 | int len; | |
600 | ||
601 | p += strspn(p, " "); | |
602 | ||
603 | /* Index field. */ | |
604 | p += strcspn(p, " "); | |
605 | p += strspn(p, " "); | |
606 | ||
607 | /* Value field. */ | |
608 | p += strcspn(p, " "); | |
609 | p += strspn(p, " "); | |
610 | ||
611 | /* Size field. */ | |
612 | info->size = atoi(p); | |
613 | p += strcspn(p, " "); | |
614 | p += strspn(p, " "); | |
615 | ||
616 | /* Type field. */ | |
617 | info->type = p; | |
618 | p += strcspn(p, " "); | |
619 | p += strspn(p, " "); | |
620 | ||
621 | /* Binding field. */ | |
622 | info->bind = p; | |
623 | p += strcspn(p, " "); | |
624 | p += strspn(p, " "); | |
625 | ||
626 | /* Visibility field. */ | |
627 | info->vis = p; | |
628 | p += strcspn(p, " "); | |
629 | p += strspn(p, " "); | |
630 | ||
61f5c66f AM |
631 | if (*p == '[') |
632 | { | |
633 | /* Skip st_other. */ | |
634 | p += strcspn(p, "]"); | |
635 | p += strspn(p, "] "); | |
636 | } | |
637 | ||
0f7c0701 CC |
638 | /* Section field. */ |
639 | info->sect = p; | |
640 | p += strcspn(p, " "); | |
641 | p += strspn(p, " "); | |
642 | ||
643 | /* Name field. */ | |
644 | /* FIXME: Look for version. */ | |
645 | len = strlen(p); | |
646 | if (len == 0) | |
647 | p = NULL; | |
648 | else if (p[len-1] == '\n') | |
649 | p[--len] = '\0'; | |
650 | info->name = p; | |
651 | } |