7 char dso__symtab_origin(const struct dso *dso)
9 static const char origin[] = {
10 [DSO_BINARY_TYPE__KALLSYMS] = 'k',
11 [DSO_BINARY_TYPE__VMLINUX] = 'v',
12 [DSO_BINARY_TYPE__JAVA_JIT] = 'j',
13 [DSO_BINARY_TYPE__DEBUGLINK] = 'l',
14 [DSO_BINARY_TYPE__BUILD_ID_CACHE] = 'B',
15 [DSO_BINARY_TYPE__FEDORA_DEBUGINFO] = 'f',
16 [DSO_BINARY_TYPE__UBUNTU_DEBUGINFO] = 'u',
17 [DSO_BINARY_TYPE__OPENEMBEDDED_DEBUGINFO] = 'o',
18 [DSO_BINARY_TYPE__BUILDID_DEBUGINFO] = 'b',
19 [DSO_BINARY_TYPE__SYSTEM_PATH_DSO] = 'd',
20 [DSO_BINARY_TYPE__SYSTEM_PATH_KMODULE] = 'K',
21 [DSO_BINARY_TYPE__GUEST_KALLSYMS] = 'g',
22 [DSO_BINARY_TYPE__GUEST_KMODULE] = 'G',
23 [DSO_BINARY_TYPE__GUEST_VMLINUX] = 'V',
26 if (dso == NULL || dso->symtab_type == DSO_BINARY_TYPE__NOT_FOUND)
28 return origin[dso->symtab_type];
31 int dso__binary_type_file(struct dso *dso, enum dso_binary_type type,
32 char *root_dir, char *file, size_t size)
34 char build_id_hex[BUILD_ID_SIZE * 2 + 1];
38 case DSO_BINARY_TYPE__DEBUGLINK: {
41 strncpy(file, dso->long_name, size);
42 debuglink = file + dso->long_name_len;
43 while (debuglink != file && *debuglink != '/')
45 if (*debuglink == '/')
47 filename__read_debuglink(dso->long_name, debuglink,
48 size - (debuglink - file));
51 case DSO_BINARY_TYPE__BUILD_ID_CACHE:
52 /* skip the locally configured cache if a symfs is given */
53 if (symbol_conf.symfs[0] ||
54 (dso__build_id_filename(dso, file, size) == NULL))
58 case DSO_BINARY_TYPE__FEDORA_DEBUGINFO:
59 snprintf(file, size, "%s/usr/lib/debug%s.debug",
60 symbol_conf.symfs, dso->long_name);
63 case DSO_BINARY_TYPE__UBUNTU_DEBUGINFO:
64 snprintf(file, size, "%s/usr/lib/debug%s",
65 symbol_conf.symfs, dso->long_name);
68 case DSO_BINARY_TYPE__OPENEMBEDDED_DEBUGINFO:
74 last_slash = dso->long_name + dso->long_name_len;
75 while (last_slash != dso->long_name && *last_slash != '/')
78 len = scnprintf(file, size, "%s", symbol_conf.symfs);
79 dir_size = last_slash - dso->long_name + 2;
80 if (dir_size > (size - len)) {
84 len += scnprintf(file + len, dir_size, "%s", dso->long_name);
85 len += scnprintf(file + len , size - len, ".debug%s",
90 case DSO_BINARY_TYPE__BUILDID_DEBUGINFO:
91 if (!dso->has_build_id) {
96 build_id__sprintf(dso->build_id,
97 sizeof(dso->build_id),
100 "%s/usr/lib/debug/.build-id/%.2s/%s.debug",
101 symbol_conf.symfs, build_id_hex, build_id_hex + 2);
104 case DSO_BINARY_TYPE__VMLINUX:
105 case DSO_BINARY_TYPE__GUEST_VMLINUX:
106 case DSO_BINARY_TYPE__SYSTEM_PATH_DSO:
107 snprintf(file, size, "%s%s",
108 symbol_conf.symfs, dso->long_name);
111 case DSO_BINARY_TYPE__GUEST_KMODULE:
112 snprintf(file, size, "%s%s%s", symbol_conf.symfs,
113 root_dir, dso->long_name);
116 case DSO_BINARY_TYPE__SYSTEM_PATH_KMODULE:
117 snprintf(file, size, "%s%s", symbol_conf.symfs,
121 case DSO_BINARY_TYPE__KCORE:
122 case DSO_BINARY_TYPE__GUEST_KCORE:
123 snprintf(file, size, "%s", dso->long_name);
127 case DSO_BINARY_TYPE__KALLSYMS:
128 case DSO_BINARY_TYPE__GUEST_KALLSYMS:
129 case DSO_BINARY_TYPE__JAVA_JIT:
130 case DSO_BINARY_TYPE__NOT_FOUND:
138 static int open_dso(struct dso *dso, struct machine *machine)
140 char *root_dir = (char *) "";
144 name = malloc(PATH_MAX);
149 root_dir = machine->root_dir;
151 if (dso__binary_type_file(dso, dso->data_type,
152 root_dir, name, PATH_MAX)) {
157 fd = open(name, O_RDONLY);
162 int dso__data_fd(struct dso *dso, struct machine *machine)
164 static enum dso_binary_type binary_type_data[] = {
165 DSO_BINARY_TYPE__BUILD_ID_CACHE,
166 DSO_BINARY_TYPE__SYSTEM_PATH_DSO,
167 DSO_BINARY_TYPE__NOT_FOUND,
171 if (dso->data_type != DSO_BINARY_TYPE__NOT_FOUND)
172 return open_dso(dso, machine);
177 dso->data_type = binary_type_data[i++];
179 fd = open_dso(dso, machine);
183 } while (dso->data_type != DSO_BINARY_TYPE__NOT_FOUND);
189 dso_cache__free(struct rb_root *root)
191 struct rb_node *next = rb_first(root);
194 struct dso_cache *cache;
196 cache = rb_entry(next, struct dso_cache, rb_node);
197 next = rb_next(&cache->rb_node);
198 rb_erase(&cache->rb_node, root);
203 static struct dso_cache*
204 dso_cache__find(struct rb_root *root, u64 offset)
206 struct rb_node **p = &root->rb_node;
207 struct rb_node *parent = NULL;
208 struct dso_cache *cache;
214 cache = rb_entry(parent, struct dso_cache, rb_node);
215 end = cache->offset + DSO__DATA_CACHE_SIZE;
217 if (offset < cache->offset)
219 else if (offset >= end)
228 dso_cache__insert(struct rb_root *root, struct dso_cache *new)
230 struct rb_node **p = &root->rb_node;
231 struct rb_node *parent = NULL;
232 struct dso_cache *cache;
233 u64 offset = new->offset;
239 cache = rb_entry(parent, struct dso_cache, rb_node);
240 end = cache->offset + DSO__DATA_CACHE_SIZE;
242 if (offset < cache->offset)
244 else if (offset >= end)
248 rb_link_node(&new->rb_node, parent, p);
249 rb_insert_color(&new->rb_node, root);
253 dso_cache__memcpy(struct dso_cache *cache, u64 offset,
256 u64 cache_offset = offset - cache->offset;
257 u64 cache_size = min(cache->size - cache_offset, size);
259 memcpy(data, cache->data + cache_offset, cache_size);
264 dso_cache__read(struct dso *dso, struct machine *machine,
265 u64 offset, u8 *data, ssize_t size)
267 struct dso_cache *cache;
271 fd = dso__data_fd(dso, machine);
280 cache = zalloc(sizeof(*cache) + DSO__DATA_CACHE_SIZE);
284 cache_offset = offset & DSO__DATA_CACHE_MASK;
287 if (-1 == lseek(fd, cache_offset, SEEK_SET))
290 ret = read(fd, cache->data, DSO__DATA_CACHE_SIZE);
294 cache->offset = cache_offset;
296 dso_cache__insert(&dso->cache, cache);
298 ret = dso_cache__memcpy(cache, offset, data, size);
309 static ssize_t dso_cache_read(struct dso *dso, struct machine *machine,
310 u64 offset, u8 *data, ssize_t size)
312 struct dso_cache *cache;
314 cache = dso_cache__find(&dso->cache, offset);
316 return dso_cache__memcpy(cache, offset, data, size);
318 return dso_cache__read(dso, machine, offset, data, size);
321 ssize_t dso__data_read_offset(struct dso *dso, struct machine *machine,
322 u64 offset, u8 *data, ssize_t size)
330 ret = dso_cache_read(dso, machine, offset, p, size);
334 /* Reached EOF, return what we have. */
350 ssize_t dso__data_read_addr(struct dso *dso, struct map *map,
351 struct machine *machine, u64 addr,
352 u8 *data, ssize_t size)
354 u64 offset = map->map_ip(map, addr);
355 return dso__data_read_offset(dso, machine, offset, data, size);
358 struct map *dso__new_map(const char *name)
360 struct map *map = NULL;
361 struct dso *dso = dso__new(name);
364 map = map__new2(0, dso, MAP__FUNCTION);
369 struct dso *dso__kernel_findnew(struct machine *machine, const char *name,
370 const char *short_name, int dso_type)
373 * The kernel dso could be created by build_id processing.
375 struct dso *dso = __dsos__findnew(&machine->kernel_dsos, name);
378 * We need to run this in all cases, since during the build_id
379 * processing we had no idea this was the kernel dso.
382 dso__set_short_name(dso, short_name);
383 dso->kernel = dso_type;
389 void dso__set_long_name(struct dso *dso, char *name)
393 dso->long_name = name;
394 dso->long_name_len = strlen(name);
397 void dso__set_short_name(struct dso *dso, const char *name)
401 dso->short_name = name;
402 dso->short_name_len = strlen(name);
405 static void dso__set_basename(struct dso *dso)
407 dso__set_short_name(dso, basename(dso->long_name));
410 int dso__name_len(const struct dso *dso)
413 return strlen("[unknown]");
415 return dso->long_name_len;
417 return dso->short_name_len;
420 bool dso__loaded(const struct dso *dso, enum map_type type)
422 return dso->loaded & (1 << type);
425 bool dso__sorted_by_name(const struct dso *dso, enum map_type type)
427 return dso->sorted_by_name & (1 << type);
430 void dso__set_sorted_by_name(struct dso *dso, enum map_type type)
432 dso->sorted_by_name |= (1 << type);
435 struct dso *dso__new(const char *name)
437 struct dso *dso = calloc(1, sizeof(*dso) + strlen(name) + 1);
441 strcpy(dso->name, name);
442 dso__set_long_name(dso, dso->name);
443 dso__set_short_name(dso, dso->name);
444 for (i = 0; i < MAP__NR_TYPES; ++i)
445 dso->symbols[i] = dso->symbol_names[i] = RB_ROOT;
446 dso->cache = RB_ROOT;
447 dso->symtab_type = DSO_BINARY_TYPE__NOT_FOUND;
448 dso->data_type = DSO_BINARY_TYPE__NOT_FOUND;
451 dso->sorted_by_name = 0;
452 dso->has_build_id = 0;
453 dso->kernel = DSO_TYPE_USER;
454 dso->needs_swap = DSO_SWAP__UNSET;
455 INIT_LIST_HEAD(&dso->node);
461 void dso__delete(struct dso *dso)
464 for (i = 0; i < MAP__NR_TYPES; ++i)
465 symbols__delete(&dso->symbols[i]);
466 if (dso->sname_alloc)
467 free((char *)dso->short_name);
468 if (dso->lname_alloc)
469 free(dso->long_name);
470 dso_cache__free(&dso->cache);
474 void dso__set_build_id(struct dso *dso, void *build_id)
476 memcpy(dso->build_id, build_id, sizeof(dso->build_id));
477 dso->has_build_id = 1;
480 bool dso__build_id_equal(const struct dso *dso, u8 *build_id)
482 return memcmp(dso->build_id, build_id, sizeof(dso->build_id)) == 0;
485 void dso__read_running_kernel_build_id(struct dso *dso, struct machine *machine)
489 if (machine__is_default_guest(machine))
491 sprintf(path, "%s/sys/kernel/notes", machine->root_dir);
492 if (sysfs__read_build_id(path, dso->build_id,
493 sizeof(dso->build_id)) == 0)
494 dso->has_build_id = true;
497 int dso__kernel_module_get_build_id(struct dso *dso,
498 const char *root_dir)
500 char filename[PATH_MAX];
502 * kernel module short names are of the form "[module]" and
503 * we need just "module" here.
505 const char *name = dso->short_name + 1;
507 snprintf(filename, sizeof(filename),
508 "%s/sys/module/%.*s/notes/.note.gnu.build-id",
509 root_dir, (int)strlen(name) - 1, name);
511 if (sysfs__read_build_id(filename, dso->build_id,
512 sizeof(dso->build_id)) == 0)
513 dso->has_build_id = true;
518 bool __dsos__read_build_ids(struct list_head *head, bool with_hits)
520 bool have_build_id = false;
523 list_for_each_entry(pos, head, node) {
524 if (with_hits && !pos->hit)
526 if (pos->has_build_id) {
527 have_build_id = true;
530 if (filename__read_build_id(pos->long_name, pos->build_id,
531 sizeof(pos->build_id)) > 0) {
532 have_build_id = true;
533 pos->has_build_id = true;
537 return have_build_id;
540 void dsos__add(struct list_head *head, struct dso *dso)
542 list_add_tail(&dso->node, head);
545 struct dso *dsos__find(struct list_head *head, const char *name, bool cmp_short)
550 list_for_each_entry(pos, head, node)
551 if (strcmp(pos->short_name, name) == 0)
555 list_for_each_entry(pos, head, node)
556 if (strcmp(pos->long_name, name) == 0)
561 struct dso *__dsos__findnew(struct list_head *head, const char *name)
563 struct dso *dso = dsos__find(head, name, false);
566 dso = dso__new(name);
568 dsos__add(head, dso);
569 dso__set_basename(dso);
576 size_t __dsos__fprintf_buildid(struct list_head *head, FILE *fp,
577 bool (skip)(struct dso *dso, int parm), int parm)
582 list_for_each_entry(pos, head, node) {
583 if (skip && skip(pos, parm))
585 ret += dso__fprintf_buildid(pos, fp);
586 ret += fprintf(fp, " %s\n", pos->long_name);
591 size_t __dsos__fprintf(struct list_head *head, FILE *fp)
596 list_for_each_entry(pos, head, node) {
598 for (i = 0; i < MAP__NR_TYPES; ++i)
599 ret += dso__fprintf(pos, i, fp);
605 size_t dso__fprintf_buildid(struct dso *dso, FILE *fp)
607 char sbuild_id[BUILD_ID_SIZE * 2 + 1];
609 build_id__sprintf(dso->build_id, sizeof(dso->build_id), sbuild_id);
610 return fprintf(fp, "%s", sbuild_id);
613 size_t dso__fprintf(struct dso *dso, enum map_type type, FILE *fp)
616 size_t ret = fprintf(fp, "dso: %s (", dso->short_name);
618 if (dso->short_name != dso->long_name)
619 ret += fprintf(fp, "%s, ", dso->long_name);
620 ret += fprintf(fp, "%s, %sloaded, ", map_type__name[type],
621 dso__loaded(dso, type) ? "" : "NOT ");
622 ret += dso__fprintf_buildid(dso, fp);
623 ret += fprintf(fp, ")\n");
624 for (nd = rb_first(&dso->symbols[type]); nd; nd = rb_next(nd)) {
625 struct symbol *pos = rb_entry(nd, struct symbol, rb_node);
626 ret += symbol__fprintf(pos, fp);