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Commit | Line | Data |
---|---|---|
a2928c42 ACM |
1 | #include "util.h" |
2 | #include "../perf.h" | |
a0055ae2 | 3 | #include "string.h" |
a2928c42 | 4 | #include "symbol.h" |
439d473b | 5 | #include "thread.h" |
a2928c42 | 6 | |
8f28827a FW |
7 | #include "debug.h" |
8 | ||
a2928c42 ACM |
9 | #include <libelf.h> |
10 | #include <gelf.h> | |
11 | #include <elf.h> | |
f1617b40 | 12 | #include <limits.h> |
439d473b | 13 | #include <sys/utsname.h> |
2cdbc46d | 14 | |
c12e15e7 ACM |
15 | #ifndef NT_GNU_BUILD_ID |
16 | #define NT_GNU_BUILD_ID 3 | |
17 | #endif | |
18 | ||
94cb9e38 ACM |
19 | enum dso_origin { |
20 | DSO__ORIG_KERNEL = 0, | |
21 | DSO__ORIG_JAVA_JIT, | |
22 | DSO__ORIG_FEDORA, | |
23 | DSO__ORIG_UBUNTU, | |
24 | DSO__ORIG_BUILDID, | |
25 | DSO__ORIG_DSO, | |
439d473b | 26 | DSO__ORIG_KMODULE, |
94cb9e38 ACM |
27 | DSO__ORIG_NOT_FOUND, |
28 | }; | |
29 | ||
439d473b ACM |
30 | static void dsos__add(struct dso *dso); |
31 | static struct dso *dsos__find(const char *name); | |
2e538c4a ACM |
32 | static struct map *map__new2(u64 start, struct dso *dso); |
33 | static void kernel_maps__insert(struct map *map); | |
c338aee8 ACM |
34 | static int dso__load_kernel_sym(struct dso *self, struct map *map, |
35 | symbol_filter_t filter); | |
00a192b3 | 36 | unsigned int symbol__priv_size; |
cc612d81 ACM |
37 | static int vmlinux_path__nr_entries; |
38 | static char **vmlinux_path; | |
439d473b | 39 | |
af427bf5 ACM |
40 | static struct rb_root kernel_maps; |
41 | ||
2e538c4a | 42 | static void dso__fixup_sym_end(struct dso *self) |
af427bf5 ACM |
43 | { |
44 | struct rb_node *nd, *prevnd = rb_first(&self->syms); | |
2e538c4a | 45 | struct symbol *curr, *prev; |
af427bf5 ACM |
46 | |
47 | if (prevnd == NULL) | |
48 | return; | |
49 | ||
2e538c4a ACM |
50 | curr = rb_entry(prevnd, struct symbol, rb_node); |
51 | ||
af427bf5 | 52 | for (nd = rb_next(prevnd); nd; nd = rb_next(nd)) { |
2e538c4a ACM |
53 | prev = curr; |
54 | curr = rb_entry(nd, struct symbol, rb_node); | |
af427bf5 ACM |
55 | |
56 | if (prev->end == prev->start) | |
57 | prev->end = curr->start - 1; | |
af427bf5 | 58 | } |
2e538c4a ACM |
59 | |
60 | /* Last entry */ | |
61 | if (curr->end == curr->start) | |
62 | curr->end = roundup(curr->start, 4096); | |
af427bf5 ACM |
63 | } |
64 | ||
2e538c4a | 65 | static void kernel_maps__fixup_end(void) |
af427bf5 ACM |
66 | { |
67 | struct map *prev, *curr; | |
68 | struct rb_node *nd, *prevnd = rb_first(&kernel_maps); | |
69 | ||
70 | if (prevnd == NULL) | |
71 | return; | |
72 | ||
73 | curr = rb_entry(prevnd, struct map, rb_node); | |
af427bf5 ACM |
74 | |
75 | for (nd = rb_next(prevnd); nd; nd = rb_next(nd)) { | |
76 | prev = curr; | |
77 | curr = rb_entry(nd, struct map, rb_node); | |
78 | prev->end = curr->start - 1; | |
2e538c4a | 79 | } |
90c83218 ACM |
80 | |
81 | /* | |
82 | * We still haven't the actual symbols, so guess the | |
83 | * last map final address. | |
84 | */ | |
85 | curr->end = ~0UL; | |
af427bf5 ACM |
86 | } |
87 | ||
00a192b3 | 88 | static struct symbol *symbol__new(u64 start, u64 len, const char *name) |
a2928c42 | 89 | { |
0085c954 | 90 | size_t namelen = strlen(name) + 1; |
00a192b3 ACM |
91 | struct symbol *self = calloc(1, (symbol__priv_size + |
92 | sizeof(*self) + namelen)); | |
0b73da3f IM |
93 | if (!self) |
94 | return NULL; | |
95 | ||
00a192b3 ACM |
96 | if (symbol__priv_size) { |
97 | memset(self, 0, symbol__priv_size); | |
98 | self = ((void *)self) + symbol__priv_size; | |
a2928c42 | 99 | } |
0b73da3f | 100 | self->start = start; |
6cfcc53e | 101 | self->end = len ? start + len - 1 : start; |
e4204992 | 102 | |
6beba7ad | 103 | pr_debug3("%s: %s %#Lx-%#Lx\n", __func__, name, start, self->end); |
e4204992 | 104 | |
0b73da3f | 105 | memcpy(self->name, name, namelen); |
a2928c42 ACM |
106 | |
107 | return self; | |
108 | } | |
109 | ||
00a192b3 | 110 | static void symbol__delete(struct symbol *self) |
a2928c42 | 111 | { |
00a192b3 | 112 | free(((void *)self) - symbol__priv_size); |
a2928c42 ACM |
113 | } |
114 | ||
115 | static size_t symbol__fprintf(struct symbol *self, FILE *fp) | |
116 | { | |
439d473b | 117 | return fprintf(fp, " %llx-%llx %s\n", |
a2928c42 ACM |
118 | self->start, self->end, self->name); |
119 | } | |
120 | ||
cfc10d3b ACM |
121 | static void dso__set_long_name(struct dso *self, char *name) |
122 | { | |
ef6ae724 ACM |
123 | if (name == NULL) |
124 | return; | |
cfc10d3b ACM |
125 | self->long_name = name; |
126 | self->long_name_len = strlen(name); | |
127 | } | |
128 | ||
129 | static void dso__set_basename(struct dso *self) | |
130 | { | |
131 | self->short_name = basename(self->long_name); | |
132 | } | |
133 | ||
00a192b3 | 134 | struct dso *dso__new(const char *name) |
a2928c42 ACM |
135 | { |
136 | struct dso *self = malloc(sizeof(*self) + strlen(name) + 1); | |
137 | ||
138 | if (self != NULL) { | |
139 | strcpy(self->name, name); | |
cfc10d3b | 140 | dso__set_long_name(self, self->name); |
439d473b | 141 | self->short_name = self->name; |
a2928c42 | 142 | self->syms = RB_ROOT; |
fc54db51 | 143 | self->find_symbol = dso__find_symbol; |
52d422de | 144 | self->slen_calculated = 0; |
94cb9e38 | 145 | self->origin = DSO__ORIG_NOT_FOUND; |
8d06367f ACM |
146 | self->loaded = 0; |
147 | self->has_build_id = 0; | |
a2928c42 ACM |
148 | } |
149 | ||
150 | return self; | |
151 | } | |
152 | ||
153 | static void dso__delete_symbols(struct dso *self) | |
154 | { | |
155 | struct symbol *pos; | |
156 | struct rb_node *next = rb_first(&self->syms); | |
157 | ||
158 | while (next) { | |
159 | pos = rb_entry(next, struct symbol, rb_node); | |
160 | next = rb_next(&pos->rb_node); | |
c8c96525 | 161 | rb_erase(&pos->rb_node, &self->syms); |
00a192b3 | 162 | symbol__delete(pos); |
a2928c42 ACM |
163 | } |
164 | } | |
165 | ||
166 | void dso__delete(struct dso *self) | |
167 | { | |
168 | dso__delete_symbols(self); | |
439d473b ACM |
169 | if (self->long_name != self->name) |
170 | free(self->long_name); | |
a2928c42 ACM |
171 | free(self); |
172 | } | |
173 | ||
8d06367f ACM |
174 | void dso__set_build_id(struct dso *self, void *build_id) |
175 | { | |
176 | memcpy(self->build_id, build_id, sizeof(self->build_id)); | |
177 | self->has_build_id = 1; | |
178 | } | |
179 | ||
a2928c42 ACM |
180 | static void dso__insert_symbol(struct dso *self, struct symbol *sym) |
181 | { | |
182 | struct rb_node **p = &self->syms.rb_node; | |
183 | struct rb_node *parent = NULL; | |
9cffa8d5 | 184 | const u64 ip = sym->start; |
a2928c42 ACM |
185 | struct symbol *s; |
186 | ||
187 | while (*p != NULL) { | |
188 | parent = *p; | |
189 | s = rb_entry(parent, struct symbol, rb_node); | |
190 | if (ip < s->start) | |
191 | p = &(*p)->rb_left; | |
192 | else | |
193 | p = &(*p)->rb_right; | |
194 | } | |
195 | rb_link_node(&sym->rb_node, parent, p); | |
196 | rb_insert_color(&sym->rb_node, &self->syms); | |
197 | } | |
198 | ||
9cffa8d5 | 199 | struct symbol *dso__find_symbol(struct dso *self, u64 ip) |
a2928c42 ACM |
200 | { |
201 | struct rb_node *n; | |
202 | ||
203 | if (self == NULL) | |
204 | return NULL; | |
205 | ||
206 | n = self->syms.rb_node; | |
207 | ||
208 | while (n) { | |
209 | struct symbol *s = rb_entry(n, struct symbol, rb_node); | |
210 | ||
211 | if (ip < s->start) | |
212 | n = n->rb_left; | |
213 | else if (ip > s->end) | |
214 | n = n->rb_right; | |
215 | else | |
216 | return s; | |
217 | } | |
218 | ||
219 | return NULL; | |
220 | } | |
221 | ||
8d06367f | 222 | int build_id__sprintf(u8 *self, int len, char *bf) |
a2928c42 | 223 | { |
8d06367f ACM |
224 | char *bid = bf; |
225 | u8 *raw = self; | |
226 | int i; | |
a2928c42 | 227 | |
8d06367f ACM |
228 | for (i = 0; i < len; ++i) { |
229 | sprintf(bid, "%02x", *raw); | |
230 | ++raw; | |
231 | bid += 2; | |
232 | } | |
233 | ||
234 | return raw - self; | |
235 | } | |
236 | ||
9e03eb2d | 237 | size_t dso__fprintf_buildid(struct dso *self, FILE *fp) |
8d06367f ACM |
238 | { |
239 | char sbuild_id[BUILD_ID_SIZE * 2 + 1]; | |
8d06367f ACM |
240 | |
241 | build_id__sprintf(self->build_id, sizeof(self->build_id), sbuild_id); | |
9e03eb2d ACM |
242 | return fprintf(fp, "%s", sbuild_id); |
243 | } | |
244 | ||
245 | size_t dso__fprintf(struct dso *self, FILE *fp) | |
246 | { | |
247 | struct rb_node *nd; | |
248 | size_t ret = fprintf(fp, "dso: %s (", self->short_name); | |
249 | ||
250 | ret += dso__fprintf_buildid(self, fp); | |
251 | ret += fprintf(fp, ")\n"); | |
8d06367f | 252 | |
a2928c42 ACM |
253 | for (nd = rb_first(&self->syms); nd; nd = rb_next(nd)) { |
254 | struct symbol *pos = rb_entry(nd, struct symbol, rb_node); | |
255 | ret += symbol__fprintf(pos, fp); | |
256 | } | |
257 | ||
258 | return ret; | |
259 | } | |
260 | ||
2e538c4a ACM |
261 | /* |
262 | * Loads the function entries in /proc/kallsyms into kernel_map->dso, | |
263 | * so that we can in the next step set the symbol ->end address and then | |
264 | * call kernel_maps__split_kallsyms. | |
265 | */ | |
6beba7ad | 266 | static int kernel_maps__load_all_kallsyms(void) |
a2928c42 | 267 | { |
a2928c42 ACM |
268 | char *line = NULL; |
269 | size_t n; | |
270 | FILE *file = fopen("/proc/kallsyms", "r"); | |
271 | ||
272 | if (file == NULL) | |
273 | goto out_failure; | |
274 | ||
275 | while (!feof(file)) { | |
9cffa8d5 | 276 | u64 start; |
a2928c42 ACM |
277 | struct symbol *sym; |
278 | int line_len, len; | |
279 | char symbol_type; | |
2e538c4a | 280 | char *symbol_name; |
a2928c42 ACM |
281 | |
282 | line_len = getline(&line, &n, file); | |
283 | if (line_len < 0) | |
284 | break; | |
285 | ||
286 | if (!line) | |
287 | goto out_failure; | |
288 | ||
289 | line[--line_len] = '\0'; /* \n */ | |
290 | ||
a0055ae2 | 291 | len = hex2u64(line, &start); |
a2928c42 ACM |
292 | |
293 | len++; | |
294 | if (len + 2 >= line_len) | |
295 | continue; | |
296 | ||
297 | symbol_type = toupper(line[len]); | |
298 | /* | |
299 | * We're interested only in code ('T'ext) | |
300 | */ | |
301 | if (symbol_type != 'T' && symbol_type != 'W') | |
302 | continue; | |
af427bf5 ACM |
303 | |
304 | symbol_name = line + len + 2; | |
2e538c4a ACM |
305 | /* |
306 | * Will fix up the end later, when we have all symbols sorted. | |
307 | */ | |
00a192b3 | 308 | sym = symbol__new(start, 0, symbol_name); |
af427bf5 | 309 | |
2e538c4a ACM |
310 | if (sym == NULL) |
311 | goto out_delete_line; | |
312 | ||
82164161 ACM |
313 | /* |
314 | * We will pass the symbols to the filter later, in | |
315 | * kernel_maps__split_kallsyms, when we have split the | |
316 | * maps per module | |
317 | */ | |
2e538c4a ACM |
318 | dso__insert_symbol(kernel_map->dso, sym); |
319 | } | |
320 | ||
321 | free(line); | |
322 | fclose(file); | |
323 | ||
324 | return 0; | |
325 | ||
326 | out_delete_line: | |
327 | free(line); | |
328 | out_failure: | |
329 | return -1; | |
330 | } | |
331 | ||
332 | /* | |
333 | * Split the symbols into maps, making sure there are no overlaps, i.e. the | |
334 | * kernel range is broken in several maps, named [kernel].N, as we don't have | |
335 | * the original ELF section names vmlinux have. | |
336 | */ | |
c338aee8 | 337 | static int kernel_maps__split_kallsyms(symbol_filter_t filter) |
2e538c4a ACM |
338 | { |
339 | struct map *map = kernel_map; | |
340 | struct symbol *pos; | |
341 | int count = 0; | |
342 | struct rb_node *next = rb_first(&kernel_map->dso->syms); | |
343 | int kernel_range = 0; | |
344 | ||
345 | while (next) { | |
346 | char *module; | |
347 | ||
348 | pos = rb_entry(next, struct symbol, rb_node); | |
349 | next = rb_next(&pos->rb_node); | |
350 | ||
351 | module = strchr(pos->name, '\t'); | |
352 | if (module) { | |
2e538c4a ACM |
353 | *module++ = '\0'; |
354 | ||
af427bf5 ACM |
355 | if (strcmp(map->dso->name, module)) { |
356 | map = kernel_maps__find_by_dso_name(module); | |
357 | if (!map) { | |
6beba7ad ACM |
358 | pr_err("/proc/{kallsyms,modules} " |
359 | "inconsistency!\n"); | |
af427bf5 ACM |
360 | return -1; |
361 | } | |
362 | } | |
2e538c4a ACM |
363 | /* |
364 | * So that we look just like we get from .ko files, | |
365 | * i.e. not prelinked, relative to map->start. | |
366 | */ | |
367 | pos->start = map->map_ip(map, pos->start); | |
368 | pos->end = map->map_ip(map, pos->end); | |
369 | } else if (map != kernel_map) { | |
370 | char dso_name[PATH_MAX]; | |
371 | struct dso *dso; | |
372 | ||
373 | snprintf(dso_name, sizeof(dso_name), "[kernel].%d", | |
374 | kernel_range++); | |
375 | ||
00a192b3 | 376 | dso = dso__new(dso_name); |
2e538c4a ACM |
377 | if (dso == NULL) |
378 | return -1; | |
379 | ||
380 | map = map__new2(pos->start, dso); | |
381 | if (map == NULL) { | |
382 | dso__delete(dso); | |
383 | return -1; | |
384 | } | |
a2928c42 | 385 | |
ed52ce2e | 386 | map->map_ip = map->unmap_ip = identity__map_ip; |
2e538c4a ACM |
387 | kernel_maps__insert(map); |
388 | ++kernel_range; | |
389 | } | |
a2928c42 | 390 | |
2e538c4a | 391 | if (filter && filter(map, pos)) { |
2e538c4a | 392 | rb_erase(&pos->rb_node, &kernel_map->dso->syms); |
00a192b3 | 393 | symbol__delete(pos); |
2e538c4a ACM |
394 | } else { |
395 | if (map != kernel_map) { | |
396 | rb_erase(&pos->rb_node, &kernel_map->dso->syms); | |
397 | dso__insert_symbol(map->dso, pos); | |
398 | } | |
9974f496 MG |
399 | count++; |
400 | } | |
a2928c42 ACM |
401 | } |
402 | ||
9974f496 | 403 | return count; |
2e538c4a | 404 | } |
a2928c42 | 405 | |
2e538c4a | 406 | |
c338aee8 | 407 | static int kernel_maps__load_kallsyms(symbol_filter_t filter) |
2e538c4a | 408 | { |
6beba7ad | 409 | if (kernel_maps__load_all_kallsyms()) |
2e538c4a ACM |
410 | return -1; |
411 | ||
412 | dso__fixup_sym_end(kernel_map->dso); | |
c338aee8 | 413 | kernel_map->dso->origin = DSO__ORIG_KERNEL; |
2e538c4a | 414 | |
c338aee8 | 415 | return kernel_maps__split_kallsyms(filter); |
a2928c42 ACM |
416 | } |
417 | ||
c338aee8 | 418 | size_t kernel_maps__fprintf(FILE *fp) |
af427bf5 | 419 | { |
6beba7ad | 420 | size_t printed = fprintf(fp, "Kernel maps:\n"); |
af427bf5 ACM |
421 | struct rb_node *nd; |
422 | ||
af427bf5 ACM |
423 | for (nd = rb_first(&kernel_maps); nd; nd = rb_next(nd)) { |
424 | struct map *pos = rb_entry(nd, struct map, rb_node); | |
425 | ||
2e538c4a | 426 | printed += fprintf(fp, "Map:"); |
af427bf5 | 427 | printed += map__fprintf(pos, fp); |
6beba7ad | 428 | if (verbose > 1) { |
2e538c4a ACM |
429 | printed += dso__fprintf(pos->dso, fp); |
430 | printed += fprintf(fp, "--\n"); | |
431 | } | |
af427bf5 ACM |
432 | } |
433 | ||
6beba7ad | 434 | return printed + fprintf(fp, "END kernel maps\n"); |
af427bf5 ACM |
435 | } |
436 | ||
439d473b | 437 | static int dso__load_perf_map(struct dso *self, struct map *map, |
6beba7ad | 438 | symbol_filter_t filter) |
80d496be PE |
439 | { |
440 | char *line = NULL; | |
441 | size_t n; | |
442 | FILE *file; | |
443 | int nr_syms = 0; | |
444 | ||
439d473b | 445 | file = fopen(self->long_name, "r"); |
80d496be PE |
446 | if (file == NULL) |
447 | goto out_failure; | |
448 | ||
449 | while (!feof(file)) { | |
9cffa8d5 | 450 | u64 start, size; |
80d496be PE |
451 | struct symbol *sym; |
452 | int line_len, len; | |
453 | ||
454 | line_len = getline(&line, &n, file); | |
455 | if (line_len < 0) | |
456 | break; | |
457 | ||
458 | if (!line) | |
459 | goto out_failure; | |
460 | ||
461 | line[--line_len] = '\0'; /* \n */ | |
462 | ||
463 | len = hex2u64(line, &start); | |
464 | ||
465 | len++; | |
466 | if (len + 2 >= line_len) | |
467 | continue; | |
468 | ||
469 | len += hex2u64(line + len, &size); | |
470 | ||
471 | len++; | |
472 | if (len + 2 >= line_len) | |
473 | continue; | |
474 | ||
00a192b3 | 475 | sym = symbol__new(start, size, line + len); |
80d496be PE |
476 | |
477 | if (sym == NULL) | |
478 | goto out_delete_line; | |
479 | ||
439d473b | 480 | if (filter && filter(map, sym)) |
00a192b3 | 481 | symbol__delete(sym); |
80d496be PE |
482 | else { |
483 | dso__insert_symbol(self, sym); | |
484 | nr_syms++; | |
485 | } | |
486 | } | |
487 | ||
488 | free(line); | |
489 | fclose(file); | |
490 | ||
491 | return nr_syms; | |
492 | ||
493 | out_delete_line: | |
494 | free(line); | |
495 | out_failure: | |
496 | return -1; | |
497 | } | |
498 | ||
a2928c42 ACM |
499 | /** |
500 | * elf_symtab__for_each_symbol - iterate thru all the symbols | |
501 | * | |
502 | * @self: struct elf_symtab instance to iterate | |
83a0944f | 503 | * @idx: uint32_t idx |
a2928c42 ACM |
504 | * @sym: GElf_Sym iterator |
505 | */ | |
83a0944f IM |
506 | #define elf_symtab__for_each_symbol(syms, nr_syms, idx, sym) \ |
507 | for (idx = 0, gelf_getsym(syms, idx, &sym);\ | |
508 | idx < nr_syms; \ | |
509 | idx++, gelf_getsym(syms, idx, &sym)) | |
a2928c42 ACM |
510 | |
511 | static inline uint8_t elf_sym__type(const GElf_Sym *sym) | |
512 | { | |
513 | return GELF_ST_TYPE(sym->st_info); | |
514 | } | |
515 | ||
516 | static inline int elf_sym__is_function(const GElf_Sym *sym) | |
517 | { | |
518 | return elf_sym__type(sym) == STT_FUNC && | |
519 | sym->st_name != 0 && | |
81833130 | 520 | sym->st_shndx != SHN_UNDEF; |
a2928c42 ACM |
521 | } |
522 | ||
6cfcc53e MG |
523 | static inline int elf_sym__is_label(const GElf_Sym *sym) |
524 | { | |
525 | return elf_sym__type(sym) == STT_NOTYPE && | |
526 | sym->st_name != 0 && | |
527 | sym->st_shndx != SHN_UNDEF && | |
528 | sym->st_shndx != SHN_ABS; | |
529 | } | |
530 | ||
531 | static inline const char *elf_sec__name(const GElf_Shdr *shdr, | |
532 | const Elf_Data *secstrs) | |
533 | { | |
534 | return secstrs->d_buf + shdr->sh_name; | |
535 | } | |
536 | ||
537 | static inline int elf_sec__is_text(const GElf_Shdr *shdr, | |
538 | const Elf_Data *secstrs) | |
539 | { | |
540 | return strstr(elf_sec__name(shdr, secstrs), "text") != NULL; | |
541 | } | |
542 | ||
a2928c42 ACM |
543 | static inline const char *elf_sym__name(const GElf_Sym *sym, |
544 | const Elf_Data *symstrs) | |
545 | { | |
546 | return symstrs->d_buf + sym->st_name; | |
547 | } | |
548 | ||
549 | static Elf_Scn *elf_section_by_name(Elf *elf, GElf_Ehdr *ep, | |
550 | GElf_Shdr *shp, const char *name, | |
83a0944f | 551 | size_t *idx) |
a2928c42 ACM |
552 | { |
553 | Elf_Scn *sec = NULL; | |
554 | size_t cnt = 1; | |
555 | ||
556 | while ((sec = elf_nextscn(elf, sec)) != NULL) { | |
557 | char *str; | |
558 | ||
559 | gelf_getshdr(sec, shp); | |
560 | str = elf_strptr(elf, ep->e_shstrndx, shp->sh_name); | |
561 | if (!strcmp(name, str)) { | |
83a0944f IM |
562 | if (idx) |
563 | *idx = cnt; | |
a2928c42 ACM |
564 | break; |
565 | } | |
566 | ++cnt; | |
567 | } | |
568 | ||
569 | return sec; | |
570 | } | |
571 | ||
8ce998d6 ACM |
572 | #define elf_section__for_each_rel(reldata, pos, pos_mem, idx, nr_entries) \ |
573 | for (idx = 0, pos = gelf_getrel(reldata, 0, &pos_mem); \ | |
574 | idx < nr_entries; \ | |
575 | ++idx, pos = gelf_getrel(reldata, idx, &pos_mem)) | |
576 | ||
577 | #define elf_section__for_each_rela(reldata, pos, pos_mem, idx, nr_entries) \ | |
578 | for (idx = 0, pos = gelf_getrela(reldata, 0, &pos_mem); \ | |
579 | idx < nr_entries; \ | |
580 | ++idx, pos = gelf_getrela(reldata, idx, &pos_mem)) | |
581 | ||
a25e46c4 ACM |
582 | /* |
583 | * We need to check if we have a .dynsym, so that we can handle the | |
584 | * .plt, synthesizing its symbols, that aren't on the symtabs (be it | |
585 | * .dynsym or .symtab). | |
586 | * And always look at the original dso, not at debuginfo packages, that | |
587 | * have the PLT data stripped out (shdr_rel_plt.sh_type == SHT_NOBITS). | |
588 | */ | |
82164161 ACM |
589 | static int dso__synthesize_plt_symbols(struct dso *self, struct map *map, |
590 | symbol_filter_t filter) | |
8ce998d6 ACM |
591 | { |
592 | uint32_t nr_rel_entries, idx; | |
593 | GElf_Sym sym; | |
9cffa8d5 | 594 | u64 plt_offset; |
8ce998d6 ACM |
595 | GElf_Shdr shdr_plt; |
596 | struct symbol *f; | |
a25e46c4 | 597 | GElf_Shdr shdr_rel_plt, shdr_dynsym; |
8ce998d6 | 598 | Elf_Data *reldata, *syms, *symstrs; |
a25e46c4 ACM |
599 | Elf_Scn *scn_plt_rel, *scn_symstrs, *scn_dynsym; |
600 | size_t dynsym_idx; | |
601 | GElf_Ehdr ehdr; | |
8ce998d6 | 602 | char sympltname[1024]; |
a25e46c4 ACM |
603 | Elf *elf; |
604 | int nr = 0, symidx, fd, err = 0; | |
605 | ||
439d473b | 606 | fd = open(self->long_name, O_RDONLY); |
a25e46c4 ACM |
607 | if (fd < 0) |
608 | goto out; | |
609 | ||
84087126 | 610 | elf = elf_begin(fd, PERF_ELF_C_READ_MMAP, NULL); |
a25e46c4 ACM |
611 | if (elf == NULL) |
612 | goto out_close; | |
613 | ||
614 | if (gelf_getehdr(elf, &ehdr) == NULL) | |
615 | goto out_elf_end; | |
616 | ||
617 | scn_dynsym = elf_section_by_name(elf, &ehdr, &shdr_dynsym, | |
618 | ".dynsym", &dynsym_idx); | |
619 | if (scn_dynsym == NULL) | |
620 | goto out_elf_end; | |
8ce998d6 | 621 | |
a25e46c4 | 622 | scn_plt_rel = elf_section_by_name(elf, &ehdr, &shdr_rel_plt, |
8ce998d6 ACM |
623 | ".rela.plt", NULL); |
624 | if (scn_plt_rel == NULL) { | |
a25e46c4 | 625 | scn_plt_rel = elf_section_by_name(elf, &ehdr, &shdr_rel_plt, |
8ce998d6 ACM |
626 | ".rel.plt", NULL); |
627 | if (scn_plt_rel == NULL) | |
a25e46c4 | 628 | goto out_elf_end; |
8ce998d6 ACM |
629 | } |
630 | ||
a25e46c4 ACM |
631 | err = -1; |
632 | ||
8ce998d6 | 633 | if (shdr_rel_plt.sh_link != dynsym_idx) |
a25e46c4 | 634 | goto out_elf_end; |
8ce998d6 | 635 | |
a25e46c4 ACM |
636 | if (elf_section_by_name(elf, &ehdr, &shdr_plt, ".plt", NULL) == NULL) |
637 | goto out_elf_end; | |
8ce998d6 ACM |
638 | |
639 | /* | |
83a0944f | 640 | * Fetch the relocation section to find the idxes to the GOT |
8ce998d6 ACM |
641 | * and the symbols in the .dynsym they refer to. |
642 | */ | |
643 | reldata = elf_getdata(scn_plt_rel, NULL); | |
644 | if (reldata == NULL) | |
a25e46c4 | 645 | goto out_elf_end; |
8ce998d6 ACM |
646 | |
647 | syms = elf_getdata(scn_dynsym, NULL); | |
648 | if (syms == NULL) | |
a25e46c4 | 649 | goto out_elf_end; |
8ce998d6 | 650 | |
a25e46c4 | 651 | scn_symstrs = elf_getscn(elf, shdr_dynsym.sh_link); |
8ce998d6 | 652 | if (scn_symstrs == NULL) |
a25e46c4 | 653 | goto out_elf_end; |
8ce998d6 ACM |
654 | |
655 | symstrs = elf_getdata(scn_symstrs, NULL); | |
656 | if (symstrs == NULL) | |
a25e46c4 | 657 | goto out_elf_end; |
8ce998d6 ACM |
658 | |
659 | nr_rel_entries = shdr_rel_plt.sh_size / shdr_rel_plt.sh_entsize; | |
660 | plt_offset = shdr_plt.sh_offset; | |
661 | ||
662 | if (shdr_rel_plt.sh_type == SHT_RELA) { | |
663 | GElf_Rela pos_mem, *pos; | |
664 | ||
665 | elf_section__for_each_rela(reldata, pos, pos_mem, idx, | |
666 | nr_rel_entries) { | |
667 | symidx = GELF_R_SYM(pos->r_info); | |
668 | plt_offset += shdr_plt.sh_entsize; | |
669 | gelf_getsym(syms, symidx, &sym); | |
670 | snprintf(sympltname, sizeof(sympltname), | |
671 | "%s@plt", elf_sym__name(&sym, symstrs)); | |
672 | ||
673 | f = symbol__new(plt_offset, shdr_plt.sh_entsize, | |
00a192b3 | 674 | sympltname); |
8ce998d6 | 675 | if (!f) |
a25e46c4 | 676 | goto out_elf_end; |
8ce998d6 | 677 | |
82164161 ACM |
678 | if (filter && filter(map, f)) |
679 | symbol__delete(f); | |
680 | else { | |
681 | dso__insert_symbol(self, f); | |
682 | ++nr; | |
683 | } | |
8ce998d6 ACM |
684 | } |
685 | } else if (shdr_rel_plt.sh_type == SHT_REL) { | |
686 | GElf_Rel pos_mem, *pos; | |
687 | elf_section__for_each_rel(reldata, pos, pos_mem, idx, | |
688 | nr_rel_entries) { | |
689 | symidx = GELF_R_SYM(pos->r_info); | |
690 | plt_offset += shdr_plt.sh_entsize; | |
691 | gelf_getsym(syms, symidx, &sym); | |
692 | snprintf(sympltname, sizeof(sympltname), | |
693 | "%s@plt", elf_sym__name(&sym, symstrs)); | |
694 | ||
695 | f = symbol__new(plt_offset, shdr_plt.sh_entsize, | |
00a192b3 | 696 | sympltname); |
8ce998d6 | 697 | if (!f) |
a25e46c4 | 698 | goto out_elf_end; |
8ce998d6 | 699 | |
82164161 ACM |
700 | if (filter && filter(map, f)) |
701 | symbol__delete(f); | |
702 | else { | |
703 | dso__insert_symbol(self, f); | |
704 | ++nr; | |
705 | } | |
8ce998d6 | 706 | } |
8ce998d6 ACM |
707 | } |
708 | ||
a25e46c4 ACM |
709 | err = 0; |
710 | out_elf_end: | |
711 | elf_end(elf); | |
712 | out_close: | |
713 | close(fd); | |
714 | ||
715 | if (err == 0) | |
716 | return nr; | |
717 | out: | |
6beba7ad ACM |
718 | pr_warning("%s: problems reading %s PLT info.\n", |
719 | __func__, self->long_name); | |
a25e46c4 | 720 | return 0; |
8ce998d6 ACM |
721 | } |
722 | ||
439d473b ACM |
723 | static int dso__load_sym(struct dso *self, struct map *map, const char *name, |
724 | int fd, symbol_filter_t filter, int kernel, | |
6beba7ad | 725 | int kmodule) |
a2928c42 | 726 | { |
2e538c4a ACM |
727 | struct map *curr_map = map; |
728 | struct dso *curr_dso = self; | |
729 | size_t dso_name_len = strlen(self->short_name); | |
6cfcc53e | 730 | Elf_Data *symstrs, *secstrs; |
a2928c42 ACM |
731 | uint32_t nr_syms; |
732 | int err = -1; | |
83a0944f | 733 | uint32_t idx; |
a2928c42 ACM |
734 | GElf_Ehdr ehdr; |
735 | GElf_Shdr shdr; | |
736 | Elf_Data *syms; | |
737 | GElf_Sym sym; | |
a25e46c4 | 738 | Elf_Scn *sec, *sec_strndx; |
a2928c42 | 739 | Elf *elf; |
439d473b | 740 | int nr = 0; |
a2928c42 | 741 | |
84087126 | 742 | elf = elf_begin(fd, PERF_ELF_C_READ_MMAP, NULL); |
a2928c42 | 743 | if (elf == NULL) { |
6beba7ad | 744 | pr_err("%s: cannot read %s ELF file.\n", __func__, name); |
a2928c42 ACM |
745 | goto out_close; |
746 | } | |
747 | ||
748 | if (gelf_getehdr(elf, &ehdr) == NULL) { | |
6beba7ad | 749 | pr_err("%s: cannot get elf header.\n", __func__); |
a2928c42 ACM |
750 | goto out_elf_end; |
751 | } | |
752 | ||
753 | sec = elf_section_by_name(elf, &ehdr, &shdr, ".symtab", NULL); | |
8ce998d6 | 754 | if (sec == NULL) { |
a25e46c4 ACM |
755 | sec = elf_section_by_name(elf, &ehdr, &shdr, ".dynsym", NULL); |
756 | if (sec == NULL) | |
8ce998d6 | 757 | goto out_elf_end; |
8ce998d6 | 758 | } |
a2928c42 ACM |
759 | |
760 | syms = elf_getdata(sec, NULL); | |
761 | if (syms == NULL) | |
762 | goto out_elf_end; | |
763 | ||
764 | sec = elf_getscn(elf, shdr.sh_link); | |
765 | if (sec == NULL) | |
766 | goto out_elf_end; | |
767 | ||
768 | symstrs = elf_getdata(sec, NULL); | |
769 | if (symstrs == NULL) | |
770 | goto out_elf_end; | |
771 | ||
6cfcc53e MG |
772 | sec_strndx = elf_getscn(elf, ehdr.e_shstrndx); |
773 | if (sec_strndx == NULL) | |
774 | goto out_elf_end; | |
775 | ||
776 | secstrs = elf_getdata(sec_strndx, NULL); | |
9b30a26b | 777 | if (secstrs == NULL) |
6cfcc53e MG |
778 | goto out_elf_end; |
779 | ||
a2928c42 ACM |
780 | nr_syms = shdr.sh_size / shdr.sh_entsize; |
781 | ||
e9fbc9dc | 782 | memset(&sym, 0, sizeof(sym)); |
d20ff6bd MG |
783 | if (!kernel) { |
784 | self->adjust_symbols = (ehdr.e_type == ET_EXEC || | |
30d7a77d ACM |
785 | elf_section_by_name(elf, &ehdr, &shdr, |
786 | ".gnu.prelink_undo", | |
787 | NULL) != NULL); | |
d20ff6bd MG |
788 | } else self->adjust_symbols = 0; |
789 | ||
83a0944f | 790 | elf_symtab__for_each_symbol(syms, nr_syms, idx, sym) { |
a2928c42 | 791 | struct symbol *f; |
83a0944f | 792 | const char *elf_name; |
2e538c4a | 793 | char *demangled = NULL; |
6cfcc53e MG |
794 | int is_label = elf_sym__is_label(&sym); |
795 | const char *section_name; | |
a2928c42 | 796 | |
6cfcc53e | 797 | if (!is_label && !elf_sym__is_function(&sym)) |
a2928c42 ACM |
798 | continue; |
799 | ||
800 | sec = elf_getscn(elf, sym.st_shndx); | |
801 | if (!sec) | |
802 | goto out_elf_end; | |
803 | ||
804 | gelf_getshdr(sec, &shdr); | |
6cfcc53e MG |
805 | |
806 | if (is_label && !elf_sec__is_text(&shdr, secstrs)) | |
807 | continue; | |
808 | ||
2e538c4a | 809 | elf_name = elf_sym__name(&sym, symstrs); |
6cfcc53e | 810 | section_name = elf_sec__name(&shdr, secstrs); |
0b73da3f | 811 | |
2e538c4a ACM |
812 | if (kernel || kmodule) { |
813 | char dso_name[PATH_MAX]; | |
814 | ||
815 | if (strcmp(section_name, | |
816 | curr_dso->short_name + dso_name_len) == 0) | |
817 | goto new_symbol; | |
818 | ||
819 | if (strcmp(section_name, ".text") == 0) { | |
820 | curr_map = map; | |
821 | curr_dso = self; | |
822 | goto new_symbol; | |
823 | } | |
824 | ||
825 | snprintf(dso_name, sizeof(dso_name), | |
826 | "%s%s", self->short_name, section_name); | |
827 | ||
828 | curr_map = kernel_maps__find_by_dso_name(dso_name); | |
829 | if (curr_map == NULL) { | |
830 | u64 start = sym.st_value; | |
831 | ||
832 | if (kmodule) | |
833 | start += map->start + shdr.sh_offset; | |
834 | ||
00a192b3 | 835 | curr_dso = dso__new(dso_name); |
2e538c4a ACM |
836 | if (curr_dso == NULL) |
837 | goto out_elf_end; | |
838 | curr_map = map__new2(start, curr_dso); | |
839 | if (curr_map == NULL) { | |
840 | dso__delete(curr_dso); | |
841 | goto out_elf_end; | |
842 | } | |
ed52ce2e ACM |
843 | curr_map->map_ip = identity__map_ip; |
844 | curr_map->unmap_ip = identity__map_ip; | |
2e538c4a ACM |
845 | curr_dso->origin = DSO__ORIG_KERNEL; |
846 | kernel_maps__insert(curr_map); | |
847 | dsos__add(curr_dso); | |
848 | } else | |
849 | curr_dso = curr_map->dso; | |
850 | ||
851 | goto new_symbol; | |
af427bf5 ACM |
852 | } |
853 | ||
2e538c4a | 854 | if (curr_dso->adjust_symbols) { |
6beba7ad ACM |
855 | pr_debug2("adjusting symbol: st_value: %Lx sh_addr: " |
856 | "%Lx sh_offset: %Lx\n", (u64)sym.st_value, | |
857 | (u64)shdr.sh_addr, (u64)shdr.sh_offset); | |
f5812a7a | 858 | sym.st_value -= shdr.sh_addr - shdr.sh_offset; |
af427bf5 | 859 | } |
28ac909b ACM |
860 | /* |
861 | * We need to figure out if the object was created from C++ sources | |
862 | * DWARF DW_compile_unit has this, but we don't always have access | |
863 | * to it... | |
864 | */ | |
83a0944f | 865 | demangled = bfd_demangle(NULL, elf_name, DMGL_PARAMS | DMGL_ANSI); |
28ac909b | 866 | if (demangled != NULL) |
83a0944f | 867 | elf_name = demangled; |
2e538c4a | 868 | new_symbol: |
00a192b3 | 869 | f = symbol__new(sym.st_value, sym.st_size, elf_name); |
28ac909b | 870 | free(demangled); |
a2928c42 ACM |
871 | if (!f) |
872 | goto out_elf_end; | |
873 | ||
2e538c4a | 874 | if (filter && filter(curr_map, f)) |
00a192b3 | 875 | symbol__delete(f); |
69ee69f6 | 876 | else { |
2e538c4a | 877 | dso__insert_symbol(curr_dso, f); |
69ee69f6 ACM |
878 | nr++; |
879 | } | |
a2928c42 ACM |
880 | } |
881 | ||
2e538c4a ACM |
882 | /* |
883 | * For misannotated, zeroed, ASM function sizes. | |
884 | */ | |
885 | if (nr > 0) | |
886 | dso__fixup_sym_end(self); | |
a2928c42 ACM |
887 | err = nr; |
888 | out_elf_end: | |
889 | elf_end(elf); | |
890 | out_close: | |
891 | return err; | |
892 | } | |
893 | ||
78075caa ACM |
894 | static bool dso__build_id_equal(const struct dso *self, u8 *build_id) |
895 | { | |
896 | return memcmp(self->build_id, build_id, sizeof(self->build_id)) == 0; | |
897 | } | |
898 | ||
e30a3d12 | 899 | bool dsos__read_build_ids(void) |
57f395a7 | 900 | { |
e30a3d12 | 901 | bool have_build_id = false; |
57f395a7 FW |
902 | struct dso *pos; |
903 | ||
e30a3d12 ACM |
904 | list_for_each_entry(pos, &dsos, node) |
905 | if (filename__read_build_id(pos->long_name, pos->build_id, | |
906 | sizeof(pos->build_id)) > 0) { | |
907 | have_build_id = true; | |
908 | pos->has_build_id = true; | |
909 | } | |
57f395a7 | 910 | |
e30a3d12 | 911 | return have_build_id; |
57f395a7 FW |
912 | } |
913 | ||
fd7a346e ACM |
914 | /* |
915 | * Align offset to 4 bytes as needed for note name and descriptor data. | |
916 | */ | |
917 | #define NOTE_ALIGN(n) (((n) + 3) & -4U) | |
918 | ||
2643ce11 | 919 | int filename__read_build_id(const char *filename, void *bf, size_t size) |
4d1e00a8 | 920 | { |
2643ce11 | 921 | int fd, err = -1; |
4d1e00a8 ACM |
922 | GElf_Ehdr ehdr; |
923 | GElf_Shdr shdr; | |
fd7a346e | 924 | Elf_Data *data; |
4d1e00a8 | 925 | Elf_Scn *sec; |
e57cfcda | 926 | Elf_Kind ek; |
fd7a346e | 927 | void *ptr; |
4d1e00a8 | 928 | Elf *elf; |
4d1e00a8 | 929 | |
2643ce11 ACM |
930 | if (size < BUILD_ID_SIZE) |
931 | goto out; | |
932 | ||
933 | fd = open(filename, O_RDONLY); | |
4d1e00a8 ACM |
934 | if (fd < 0) |
935 | goto out; | |
936 | ||
84087126 | 937 | elf = elf_begin(fd, PERF_ELF_C_READ_MMAP, NULL); |
4d1e00a8 | 938 | if (elf == NULL) { |
8d06367f | 939 | pr_debug2("%s: cannot read %s ELF file.\n", __func__, filename); |
4d1e00a8 ACM |
940 | goto out_close; |
941 | } | |
942 | ||
e57cfcda PE |
943 | ek = elf_kind(elf); |
944 | if (ek != ELF_K_ELF) | |
945 | goto out_elf_end; | |
946 | ||
4d1e00a8 | 947 | if (gelf_getehdr(elf, &ehdr) == NULL) { |
6beba7ad | 948 | pr_err("%s: cannot get elf header.\n", __func__); |
4d1e00a8 ACM |
949 | goto out_elf_end; |
950 | } | |
951 | ||
2643ce11 ACM |
952 | sec = elf_section_by_name(elf, &ehdr, &shdr, |
953 | ".note.gnu.build-id", NULL); | |
fd7a346e ACM |
954 | if (sec == NULL) { |
955 | sec = elf_section_by_name(elf, &ehdr, &shdr, | |
956 | ".notes", NULL); | |
957 | if (sec == NULL) | |
958 | goto out_elf_end; | |
959 | } | |
4d1e00a8 | 960 | |
fd7a346e ACM |
961 | data = elf_getdata(sec, NULL); |
962 | if (data == NULL) | |
4d1e00a8 | 963 | goto out_elf_end; |
fd7a346e ACM |
964 | |
965 | ptr = data->d_buf; | |
966 | while (ptr < (data->d_buf + data->d_size)) { | |
967 | GElf_Nhdr *nhdr = ptr; | |
968 | int namesz = NOTE_ALIGN(nhdr->n_namesz), | |
969 | descsz = NOTE_ALIGN(nhdr->n_descsz); | |
970 | const char *name; | |
971 | ||
972 | ptr += sizeof(*nhdr); | |
973 | name = ptr; | |
974 | ptr += namesz; | |
975 | if (nhdr->n_type == NT_GNU_BUILD_ID && | |
976 | nhdr->n_namesz == sizeof("GNU")) { | |
977 | if (memcmp(name, "GNU", sizeof("GNU")) == 0) { | |
978 | memcpy(bf, ptr, BUILD_ID_SIZE); | |
979 | err = BUILD_ID_SIZE; | |
980 | break; | |
981 | } | |
982 | } | |
983 | ptr += descsz; | |
984 | } | |
2643ce11 ACM |
985 | out_elf_end: |
986 | elf_end(elf); | |
987 | out_close: | |
988 | close(fd); | |
989 | out: | |
990 | return err; | |
991 | } | |
992 | ||
f1617b40 ACM |
993 | int sysfs__read_build_id(const char *filename, void *build_id, size_t size) |
994 | { | |
995 | int fd, err = -1; | |
996 | ||
997 | if (size < BUILD_ID_SIZE) | |
998 | goto out; | |
999 | ||
1000 | fd = open(filename, O_RDONLY); | |
1001 | if (fd < 0) | |
1002 | goto out; | |
1003 | ||
1004 | while (1) { | |
1005 | char bf[BUFSIZ]; | |
1006 | GElf_Nhdr nhdr; | |
1007 | int namesz, descsz; | |
1008 | ||
1009 | if (read(fd, &nhdr, sizeof(nhdr)) != sizeof(nhdr)) | |
1010 | break; | |
1011 | ||
fd7a346e ACM |
1012 | namesz = NOTE_ALIGN(nhdr.n_namesz); |
1013 | descsz = NOTE_ALIGN(nhdr.n_descsz); | |
f1617b40 ACM |
1014 | if (nhdr.n_type == NT_GNU_BUILD_ID && |
1015 | nhdr.n_namesz == sizeof("GNU")) { | |
1016 | if (read(fd, bf, namesz) != namesz) | |
1017 | break; | |
1018 | if (memcmp(bf, "GNU", sizeof("GNU")) == 0) { | |
1019 | if (read(fd, build_id, | |
1020 | BUILD_ID_SIZE) == BUILD_ID_SIZE) { | |
1021 | err = 0; | |
1022 | break; | |
1023 | } | |
1024 | } else if (read(fd, bf, descsz) != descsz) | |
1025 | break; | |
1026 | } else { | |
1027 | int n = namesz + descsz; | |
1028 | if (read(fd, bf, n) != n) | |
1029 | break; | |
1030 | } | |
1031 | } | |
1032 | close(fd); | |
1033 | out: | |
1034 | return err; | |
1035 | } | |
1036 | ||
94cb9e38 ACM |
1037 | char dso__symtab_origin(const struct dso *self) |
1038 | { | |
1039 | static const char origin[] = { | |
1040 | [DSO__ORIG_KERNEL] = 'k', | |
1041 | [DSO__ORIG_JAVA_JIT] = 'j', | |
1042 | [DSO__ORIG_FEDORA] = 'f', | |
1043 | [DSO__ORIG_UBUNTU] = 'u', | |
1044 | [DSO__ORIG_BUILDID] = 'b', | |
1045 | [DSO__ORIG_DSO] = 'd', | |
439d473b | 1046 | [DSO__ORIG_KMODULE] = 'K', |
94cb9e38 ACM |
1047 | }; |
1048 | ||
1049 | if (self == NULL || self->origin == DSO__ORIG_NOT_FOUND) | |
1050 | return '!'; | |
1051 | return origin[self->origin]; | |
1052 | } | |
1053 | ||
6beba7ad | 1054 | int dso__load(struct dso *self, struct map *map, symbol_filter_t filter) |
a2928c42 | 1055 | { |
4d1e00a8 | 1056 | int size = PATH_MAX; |
c338aee8 | 1057 | char *name; |
d3379ab9 | 1058 | u8 build_id[BUILD_ID_SIZE]; |
a2928c42 ACM |
1059 | int ret = -1; |
1060 | int fd; | |
1061 | ||
8d06367f | 1062 | self->loaded = 1; |
66bd8424 | 1063 | |
c338aee8 ACM |
1064 | if (self->kernel) |
1065 | return dso__load_kernel_sym(self, map, filter); | |
1066 | ||
1067 | name = malloc(size); | |
a2928c42 ACM |
1068 | if (!name) |
1069 | return -1; | |
1070 | ||
30d7a77d | 1071 | self->adjust_symbols = 0; |
f5812a7a | 1072 | |
94cb9e38 | 1073 | if (strncmp(self->name, "/tmp/perf-", 10) == 0) { |
6beba7ad | 1074 | ret = dso__load_perf_map(self, map, filter); |
94cb9e38 ACM |
1075 | self->origin = ret > 0 ? DSO__ORIG_JAVA_JIT : |
1076 | DSO__ORIG_NOT_FOUND; | |
1077 | return ret; | |
1078 | } | |
1079 | ||
1080 | self->origin = DSO__ORIG_FEDORA - 1; | |
80d496be | 1081 | |
a2928c42 ACM |
1082 | more: |
1083 | do { | |
94cb9e38 ACM |
1084 | self->origin++; |
1085 | switch (self->origin) { | |
1086 | case DSO__ORIG_FEDORA: | |
439d473b ACM |
1087 | snprintf(name, size, "/usr/lib/debug%s.debug", |
1088 | self->long_name); | |
a2928c42 | 1089 | break; |
94cb9e38 | 1090 | case DSO__ORIG_UBUNTU: |
439d473b ACM |
1091 | snprintf(name, size, "/usr/lib/debug%s", |
1092 | self->long_name); | |
a2928c42 | 1093 | break; |
94cb9e38 | 1094 | case DSO__ORIG_BUILDID: |
d3379ab9 ACM |
1095 | if (filename__read_build_id(self->long_name, build_id, |
1096 | sizeof(build_id))) { | |
1097 | char build_id_hex[BUILD_ID_SIZE * 2 + 1]; | |
1098 | ||
1099 | build_id__sprintf(build_id, sizeof(build_id), | |
1100 | build_id_hex); | |
4d1e00a8 ACM |
1101 | snprintf(name, size, |
1102 | "/usr/lib/debug/.build-id/%.2s/%s.debug", | |
d3379ab9 ACM |
1103 | build_id_hex, build_id_hex + 2); |
1104 | if (self->has_build_id) | |
1105 | goto compare_build_id; | |
1106 | break; | |
4d1e00a8 | 1107 | } |
94cb9e38 | 1108 | self->origin++; |
4d1e00a8 | 1109 | /* Fall thru */ |
94cb9e38 | 1110 | case DSO__ORIG_DSO: |
439d473b | 1111 | snprintf(name, size, "%s", self->long_name); |
a2928c42 ACM |
1112 | break; |
1113 | ||
1114 | default: | |
1115 | goto out; | |
1116 | } | |
a2928c42 | 1117 | |
8d06367f | 1118 | if (self->has_build_id) { |
d3379ab9 ACM |
1119 | if (filename__read_build_id(name, build_id, |
1120 | sizeof(build_id)) < 0) | |
8d06367f | 1121 | goto more; |
8d06367f | 1122 | compare_build_id: |
78075caa | 1123 | if (!dso__build_id_equal(self, build_id)) |
8d06367f ACM |
1124 | goto more; |
1125 | } | |
1126 | ||
a2928c42 ACM |
1127 | fd = open(name, O_RDONLY); |
1128 | } while (fd < 0); | |
1129 | ||
6beba7ad | 1130 | ret = dso__load_sym(self, map, name, fd, filter, 0, 0); |
a2928c42 ACM |
1131 | close(fd); |
1132 | ||
1133 | /* | |
1134 | * Some people seem to have debuginfo files _WITHOUT_ debug info!?!? | |
1135 | */ | |
1136 | if (!ret) | |
1137 | goto more; | |
1138 | ||
a25e46c4 | 1139 | if (ret > 0) { |
82164161 | 1140 | int nr_plt = dso__synthesize_plt_symbols(self, map, filter); |
a25e46c4 ACM |
1141 | if (nr_plt > 0) |
1142 | ret += nr_plt; | |
1143 | } | |
a2928c42 ACM |
1144 | out: |
1145 | free(name); | |
1340e6bb ACM |
1146 | if (ret < 0 && strstr(self->name, " (deleted)") != NULL) |
1147 | return 0; | |
a2928c42 ACM |
1148 | return ret; |
1149 | } | |
1150 | ||
439d473b ACM |
1151 | struct map *kernel_map; |
1152 | ||
1153 | static void kernel_maps__insert(struct map *map) | |
6cfcc53e | 1154 | { |
439d473b ACM |
1155 | maps__insert(&kernel_maps, map); |
1156 | } | |
6cfcc53e | 1157 | |
c338aee8 ACM |
1158 | struct symbol *kernel_maps__find_symbol(u64 ip, struct map **mapp, |
1159 | symbol_filter_t filter) | |
439d473b | 1160 | { |
439d473b | 1161 | struct map *map = maps__find(&kernel_maps, ip); |
2e538c4a ACM |
1162 | |
1163 | if (mapp) | |
1164 | *mapp = map; | |
439d473b ACM |
1165 | |
1166 | if (map) { | |
1167 | ip = map->map_ip(map, ip); | |
c338aee8 | 1168 | return map__find_symbol(map, ip, filter); |
439d473b | 1169 | } |
6cfcc53e | 1170 | |
2e538c4a | 1171 | return NULL; |
439d473b ACM |
1172 | } |
1173 | ||
1174 | struct map *kernel_maps__find_by_dso_name(const char *name) | |
1175 | { | |
1176 | struct rb_node *nd; | |
1177 | ||
1178 | for (nd = rb_first(&kernel_maps); nd; nd = rb_next(nd)) { | |
1179 | struct map *map = rb_entry(nd, struct map, rb_node); | |
1180 | ||
1181 | if (map->dso && strcmp(map->dso->name, name) == 0) | |
1182 | return map; | |
1183 | } | |
1184 | ||
1185 | return NULL; | |
1186 | } | |
1187 | ||
c338aee8 | 1188 | static int dsos__set_modules_path_dir(char *dirname) |
6cfcc53e | 1189 | { |
439d473b | 1190 | struct dirent *dent; |
439d473b | 1191 | DIR *dir = opendir(dirname); |
6cfcc53e | 1192 | |
439d473b | 1193 | if (!dir) { |
87f8ea4c | 1194 | pr_debug("%s: cannot open %s dir\n", __func__, dirname); |
439d473b ACM |
1195 | return -1; |
1196 | } | |
6cfcc53e | 1197 | |
439d473b ACM |
1198 | while ((dent = readdir(dir)) != NULL) { |
1199 | char path[PATH_MAX]; | |
1200 | ||
1201 | if (dent->d_type == DT_DIR) { | |
1202 | if (!strcmp(dent->d_name, ".") || | |
1203 | !strcmp(dent->d_name, "..")) | |
1204 | continue; | |
1205 | ||
1206 | snprintf(path, sizeof(path), "%s/%s", | |
1207 | dirname, dent->d_name); | |
c338aee8 | 1208 | if (dsos__set_modules_path_dir(path) < 0) |
439d473b ACM |
1209 | goto failure; |
1210 | } else { | |
1211 | char *dot = strrchr(dent->d_name, '.'), | |
1212 | dso_name[PATH_MAX]; | |
1213 | struct map *map; | |
cfc10d3b | 1214 | char *long_name; |
439d473b ACM |
1215 | |
1216 | if (dot == NULL || strcmp(dot, ".ko")) | |
1217 | continue; | |
1218 | snprintf(dso_name, sizeof(dso_name), "[%.*s]", | |
1219 | (int)(dot - dent->d_name), dent->d_name); | |
1220 | ||
a2a99e8e | 1221 | strxfrchar(dso_name, '-', '_'); |
439d473b ACM |
1222 | map = kernel_maps__find_by_dso_name(dso_name); |
1223 | if (map == NULL) | |
1224 | continue; | |
1225 | ||
1226 | snprintf(path, sizeof(path), "%s/%s", | |
1227 | dirname, dent->d_name); | |
1228 | ||
cfc10d3b ACM |
1229 | long_name = strdup(path); |
1230 | if (long_name == NULL) | |
439d473b | 1231 | goto failure; |
cfc10d3b | 1232 | dso__set_long_name(map->dso, long_name); |
439d473b | 1233 | } |
439d473b | 1234 | } |
6cfcc53e | 1235 | |
c338aee8 | 1236 | return 0; |
439d473b ACM |
1237 | failure: |
1238 | closedir(dir); | |
1239 | return -1; | |
1240 | } | |
6cfcc53e | 1241 | |
c338aee8 | 1242 | static int dsos__set_modules_path(void) |
439d473b ACM |
1243 | { |
1244 | struct utsname uts; | |
1245 | char modules_path[PATH_MAX]; | |
6cfcc53e | 1246 | |
439d473b ACM |
1247 | if (uname(&uts) < 0) |
1248 | return -1; | |
6cfcc53e | 1249 | |
439d473b ACM |
1250 | snprintf(modules_path, sizeof(modules_path), "/lib/modules/%s/kernel", |
1251 | uts.release); | |
6cfcc53e | 1252 | |
c338aee8 | 1253 | return dsos__set_modules_path_dir(modules_path); |
6cfcc53e MG |
1254 | } |
1255 | ||
439d473b ACM |
1256 | /* |
1257 | * Constructor variant for modules (where we know from /proc/modules where | |
1258 | * they are loaded) and for vmlinux, where only after we load all the | |
1259 | * symbols we'll know where it starts and ends. | |
1260 | */ | |
1261 | static struct map *map__new2(u64 start, struct dso *dso) | |
6cfcc53e | 1262 | { |
439d473b | 1263 | struct map *self = malloc(sizeof(*self)); |
6cfcc53e | 1264 | |
439d473b | 1265 | if (self != NULL) { |
439d473b | 1266 | /* |
afb7b4f0 | 1267 | * ->end will be filled after we load all the symbols |
439d473b | 1268 | */ |
afb7b4f0 | 1269 | map__init(self, start, 0, 0, dso); |
439d473b | 1270 | } |
afb7b4f0 | 1271 | |
439d473b ACM |
1272 | return self; |
1273 | } | |
1274 | ||
c338aee8 | 1275 | static int kernel_maps__create_module_maps(void) |
439d473b ACM |
1276 | { |
1277 | char *line = NULL; | |
1278 | size_t n; | |
1279 | FILE *file = fopen("/proc/modules", "r"); | |
1280 | struct map *map; | |
6cfcc53e | 1281 | |
439d473b ACM |
1282 | if (file == NULL) |
1283 | return -1; | |
6cfcc53e | 1284 | |
439d473b ACM |
1285 | while (!feof(file)) { |
1286 | char name[PATH_MAX]; | |
1287 | u64 start; | |
1288 | struct dso *dso; | |
1289 | char *sep; | |
1290 | int line_len; | |
6cfcc53e | 1291 | |
439d473b ACM |
1292 | line_len = getline(&line, &n, file); |
1293 | if (line_len < 0) | |
1294 | break; | |
1295 | ||
1296 | if (!line) | |
1297 | goto out_failure; | |
1298 | ||
1299 | line[--line_len] = '\0'; /* \n */ | |
1300 | ||
1301 | sep = strrchr(line, 'x'); | |
1302 | if (sep == NULL) | |
1303 | continue; | |
1304 | ||
1305 | hex2u64(sep + 1, &start); | |
1306 | ||
1307 | sep = strchr(line, ' '); | |
1308 | if (sep == NULL) | |
1309 | continue; | |
1310 | ||
1311 | *sep = '\0'; | |
1312 | ||
1313 | snprintf(name, sizeof(name), "[%s]", line); | |
00a192b3 | 1314 | dso = dso__new(name); |
439d473b ACM |
1315 | |
1316 | if (dso == NULL) | |
1317 | goto out_delete_line; | |
1318 | ||
1319 | map = map__new2(start, dso); | |
1320 | if (map == NULL) { | |
1321 | dso__delete(dso); | |
1322 | goto out_delete_line; | |
6cfcc53e | 1323 | } |
439d473b | 1324 | |
f1617b40 ACM |
1325 | snprintf(name, sizeof(name), |
1326 | "/sys/module/%s/notes/.note.gnu.build-id", line); | |
1327 | if (sysfs__read_build_id(name, dso->build_id, | |
1328 | sizeof(dso->build_id)) == 0) | |
1329 | dso->has_build_id = true; | |
1330 | ||
439d473b ACM |
1331 | dso->origin = DSO__ORIG_KMODULE; |
1332 | kernel_maps__insert(map); | |
1333 | dsos__add(dso); | |
6cfcc53e | 1334 | } |
439d473b ACM |
1335 | |
1336 | free(line); | |
1337 | fclose(file); | |
1338 | ||
c338aee8 | 1339 | return dsos__set_modules_path(); |
439d473b ACM |
1340 | |
1341 | out_delete_line: | |
1342 | free(line); | |
1343 | out_failure: | |
1344 | return -1; | |
6cfcc53e MG |
1345 | } |
1346 | ||
439d473b | 1347 | static int dso__load_vmlinux(struct dso *self, struct map *map, |
6beba7ad | 1348 | const char *vmlinux, symbol_filter_t filter) |
a2928c42 | 1349 | { |
fbd733b8 | 1350 | int err = -1, fd; |
a2928c42 | 1351 | |
fbd733b8 ACM |
1352 | if (self->has_build_id) { |
1353 | u8 build_id[BUILD_ID_SIZE]; | |
1354 | ||
1355 | if (filename__read_build_id(vmlinux, build_id, | |
1356 | sizeof(build_id)) < 0) { | |
1357 | pr_debug("No build_id in %s, ignoring it\n", vmlinux); | |
1358 | return -1; | |
1359 | } | |
1360 | if (!dso__build_id_equal(self, build_id)) { | |
1361 | char expected_build_id[BUILD_ID_SIZE * 2 + 1], | |
1362 | vmlinux_build_id[BUILD_ID_SIZE * 2 + 1]; | |
1363 | ||
1364 | build_id__sprintf(self->build_id, | |
1365 | sizeof(self->build_id), | |
1366 | expected_build_id); | |
1367 | build_id__sprintf(build_id, sizeof(build_id), | |
1368 | vmlinux_build_id); | |
1369 | pr_debug("build_id in %s is %s while expected is %s, " | |
1370 | "ignoring it\n", vmlinux, vmlinux_build_id, | |
1371 | expected_build_id); | |
1372 | return -1; | |
1373 | } | |
1374 | } | |
66bd8424 | 1375 | |
fbd733b8 | 1376 | fd = open(vmlinux, O_RDONLY); |
a2928c42 ACM |
1377 | if (fd < 0) |
1378 | return -1; | |
1379 | ||
fbd733b8 | 1380 | self->loaded = 1; |
6beba7ad | 1381 | err = dso__load_sym(self, map, self->long_name, fd, filter, 1, 0); |
6cfcc53e | 1382 | |
a2928c42 ACM |
1383 | close(fd); |
1384 | ||
1385 | return err; | |
1386 | } | |
1387 | ||
c338aee8 ACM |
1388 | static int dso__load_kernel_sym(struct dso *self, struct map *map, |
1389 | symbol_filter_t filter) | |
a827c875 | 1390 | { |
cc612d81 ACM |
1391 | int err; |
1392 | bool is_kallsyms; | |
1393 | ||
1394 | if (vmlinux_path != NULL) { | |
1395 | int i; | |
1396 | pr_debug("Looking at the vmlinux_path (%d entries long)\n", | |
1397 | vmlinux_path__nr_entries); | |
1398 | for (i = 0; i < vmlinux_path__nr_entries; ++i) { | |
1399 | err = dso__load_vmlinux(self, map, vmlinux_path[i], | |
1400 | filter); | |
1401 | if (err > 0) { | |
1402 | pr_debug("Using %s for symbols\n", | |
1403 | vmlinux_path[i]); | |
1404 | dso__set_long_name(self, | |
1405 | strdup(vmlinux_path[i])); | |
1406 | goto out_fixup; | |
1407 | } | |
1408 | } | |
1409 | } | |
1410 | ||
1411 | is_kallsyms = self->long_name[0] == '['; | |
1412 | if (is_kallsyms) | |
1413 | goto do_kallsyms; | |
439d473b | 1414 | |
cc612d81 | 1415 | err = dso__load_vmlinux(self, map, self->long_name, filter); |
ef6ae724 | 1416 | if (err <= 0) { |
cc612d81 ACM |
1417 | pr_info("The file %s cannot be used, " |
1418 | "trying to use /proc/kallsyms...", self->long_name); | |
1419 | sleep(2); | |
1420 | do_kallsyms: | |
c338aee8 | 1421 | err = kernel_maps__load_kallsyms(filter); |
cc612d81 | 1422 | if (err > 0 && !is_kallsyms) |
ef6ae724 ACM |
1423 | dso__set_long_name(self, strdup("[kernel.kallsyms]")); |
1424 | } | |
439d473b ACM |
1425 | |
1426 | if (err > 0) { | |
cc612d81 | 1427 | out_fixup: |
c338aee8 ACM |
1428 | map__fixup_start(map); |
1429 | map__fixup_end(map); | |
439d473b | 1430 | } |
94cb9e38 | 1431 | |
a827c875 ACM |
1432 | return err; |
1433 | } | |
1434 | ||
cd84c2ac | 1435 | LIST_HEAD(dsos); |
cc612d81 | 1436 | struct dso *vdso; |
cd84c2ac FW |
1437 | |
1438 | static void dsos__add(struct dso *dso) | |
1439 | { | |
1440 | list_add_tail(&dso->node, &dsos); | |
1441 | } | |
1442 | ||
1443 | static struct dso *dsos__find(const char *name) | |
1444 | { | |
1445 | struct dso *pos; | |
1446 | ||
1447 | list_for_each_entry(pos, &dsos, node) | |
1448 | if (strcmp(pos->name, name) == 0) | |
1449 | return pos; | |
1450 | return NULL; | |
1451 | } | |
1452 | ||
00a192b3 | 1453 | struct dso *dsos__findnew(const char *name) |
cd84c2ac FW |
1454 | { |
1455 | struct dso *dso = dsos__find(name); | |
cd84c2ac | 1456 | |
e4204992 | 1457 | if (!dso) { |
00a192b3 | 1458 | dso = dso__new(name); |
cfc10d3b | 1459 | if (dso != NULL) { |
e4204992 | 1460 | dsos__add(dso); |
cfc10d3b ACM |
1461 | dso__set_basename(dso); |
1462 | } | |
66bd8424 | 1463 | } |
cd84c2ac FW |
1464 | |
1465 | return dso; | |
cd84c2ac FW |
1466 | } |
1467 | ||
1468 | void dsos__fprintf(FILE *fp) | |
1469 | { | |
1470 | struct dso *pos; | |
1471 | ||
1472 | list_for_each_entry(pos, &dsos, node) | |
1473 | dso__fprintf(pos, fp); | |
1474 | } | |
1475 | ||
9e03eb2d ACM |
1476 | size_t dsos__fprintf_buildid(FILE *fp) |
1477 | { | |
1478 | struct dso *pos; | |
1479 | size_t ret = 0; | |
1480 | ||
1481 | list_for_each_entry(pos, &dsos, node) { | |
1482 | ret += dso__fprintf_buildid(pos, fp); | |
1124ba73 | 1483 | ret += fprintf(fp, " %s\n", pos->long_name); |
9e03eb2d ACM |
1484 | } |
1485 | return ret; | |
1486 | } | |
1487 | ||
cc612d81 | 1488 | static int kernel_maps__create_kernel_map(const char *vmlinux_name) |
cd84c2ac | 1489 | { |
cc612d81 | 1490 | struct dso *kernel = dso__new(vmlinux_name ?: "[kernel.kallsyms]"); |
cd84c2ac | 1491 | |
2446042c | 1492 | if (kernel == NULL) |
c338aee8 ACM |
1493 | return -1; |
1494 | ||
1495 | kernel_map = map__new2(0, kernel); | |
1496 | if (kernel_map == NULL) | |
1497 | goto out_delete_kernel_dso; | |
1498 | ||
cc612d81 ACM |
1499 | kernel_map->map_ip = kernel_map->unmap_ip = identity__map_ip; |
1500 | kernel->short_name = "[kernel]"; | |
1501 | kernel->kernel = 1; | |
2446042c | 1502 | |
00a192b3 | 1503 | vdso = dso__new("[vdso]"); |
c338aee8 ACM |
1504 | if (vdso == NULL) |
1505 | goto out_delete_kernel_map; | |
2446042c ACM |
1506 | |
1507 | if (sysfs__read_build_id("/sys/kernel/notes", kernel->build_id, | |
1508 | sizeof(kernel->build_id)) == 0) | |
1509 | kernel->has_build_id = true; | |
cd84c2ac | 1510 | |
c338aee8 | 1511 | kernel_maps__insert(kernel_map); |
2446042c | 1512 | dsos__add(kernel); |
cd84c2ac FW |
1513 | dsos__add(vdso); |
1514 | ||
c338aee8 ACM |
1515 | return 0; |
1516 | ||
1517 | out_delete_kernel_map: | |
1518 | map__delete(kernel_map); | |
1519 | kernel_map = NULL; | |
1520 | out_delete_kernel_dso: | |
1521 | dso__delete(kernel); | |
1522 | return -1; | |
2446042c ACM |
1523 | } |
1524 | ||
cc612d81 ACM |
1525 | static void vmlinux_path__exit(void) |
1526 | { | |
1527 | while (--vmlinux_path__nr_entries >= 0) { | |
1528 | free(vmlinux_path[vmlinux_path__nr_entries]); | |
1529 | vmlinux_path[vmlinux_path__nr_entries] = NULL; | |
1530 | } | |
1531 | ||
1532 | free(vmlinux_path); | |
1533 | vmlinux_path = NULL; | |
1534 | } | |
1535 | ||
1536 | static int vmlinux_path__init(void) | |
1537 | { | |
1538 | struct utsname uts; | |
1539 | char bf[PATH_MAX]; | |
1540 | ||
1541 | if (uname(&uts) < 0) | |
1542 | return -1; | |
1543 | ||
1544 | vmlinux_path = malloc(sizeof(char *) * 5); | |
1545 | if (vmlinux_path == NULL) | |
1546 | return -1; | |
1547 | ||
1548 | vmlinux_path[vmlinux_path__nr_entries] = strdup("vmlinux"); | |
1549 | if (vmlinux_path[vmlinux_path__nr_entries] == NULL) | |
1550 | goto out_fail; | |
1551 | ++vmlinux_path__nr_entries; | |
1552 | vmlinux_path[vmlinux_path__nr_entries] = strdup("/boot/vmlinux"); | |
1553 | if (vmlinux_path[vmlinux_path__nr_entries] == NULL) | |
1554 | goto out_fail; | |
1555 | ++vmlinux_path__nr_entries; | |
1556 | snprintf(bf, sizeof(bf), "/boot/vmlinux-%s", uts.release); | |
1557 | vmlinux_path[vmlinux_path__nr_entries] = strdup(bf); | |
1558 | if (vmlinux_path[vmlinux_path__nr_entries] == NULL) | |
1559 | goto out_fail; | |
1560 | ++vmlinux_path__nr_entries; | |
1561 | snprintf(bf, sizeof(bf), "/lib/modules/%s/build/vmlinux", uts.release); | |
1562 | vmlinux_path[vmlinux_path__nr_entries] = strdup(bf); | |
1563 | if (vmlinux_path[vmlinux_path__nr_entries] == NULL) | |
1564 | goto out_fail; | |
1565 | ++vmlinux_path__nr_entries; | |
1566 | snprintf(bf, sizeof(bf), "/usr/lib/debug/lib/modules/%s/vmlinux", | |
1567 | uts.release); | |
1568 | vmlinux_path[vmlinux_path__nr_entries] = strdup(bf); | |
1569 | if (vmlinux_path[vmlinux_path__nr_entries] == NULL) | |
1570 | goto out_fail; | |
1571 | ++vmlinux_path__nr_entries; | |
1572 | ||
1573 | return 0; | |
1574 | ||
1575 | out_fail: | |
1576 | vmlinux_path__exit(); | |
1577 | return -1; | |
1578 | } | |
1579 | ||
1580 | int kernel_maps__init(const char *vmlinux_name, bool try_vmlinux_path, | |
1581 | bool use_modules) | |
2446042c | 1582 | { |
cc612d81 | 1583 | if (try_vmlinux_path && vmlinux_path__init() < 0) |
2446042c ACM |
1584 | return -1; |
1585 | ||
cc612d81 ACM |
1586 | if (kernel_maps__create_kernel_map(vmlinux_name) < 0) { |
1587 | vmlinux_path__exit(); | |
1588 | return -1; | |
1589 | } | |
1590 | ||
c338aee8 | 1591 | if (use_modules && kernel_maps__create_module_maps() < 0) |
87f8ea4c ACM |
1592 | pr_debug("Failed to load list of modules in use, " |
1593 | "continuing...\n"); | |
90c83218 ACM |
1594 | /* |
1595 | * Now that we have all the maps created, just set the ->end of them: | |
1596 | */ | |
1597 | kernel_maps__fixup_end(); | |
6671cb16 | 1598 | return 0; |
cd84c2ac FW |
1599 | } |
1600 | ||
00a192b3 | 1601 | void symbol__init(unsigned int priv_size) |
a2928c42 ACM |
1602 | { |
1603 | elf_version(EV_CURRENT); | |
00a192b3 | 1604 | symbol__priv_size = priv_size; |
a2928c42 | 1605 | } |