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__read_binary_type_filename(const struct dso *dso,
32 enum dso_binary_type type,
33 char *root_dir, char *filename, size_t size)
35 char build_id_hex[BUILD_ID_SIZE * 2 + 1];
39 case DSO_BINARY_TYPE__DEBUGLINK: {
42 strncpy(filename, dso->long_name, size);
43 debuglink = filename + dso->long_name_len;
44 while (debuglink != filename && *debuglink != '/')
46 if (*debuglink == '/')
48 ret = filename__read_debuglink(dso->long_name, debuglink,
49 size - (debuglink - filename));
52 case DSO_BINARY_TYPE__BUILD_ID_CACHE:
53 /* skip the locally configured cache if a symfs is given */
54 if (symbol_conf.symfs[0] ||
55 (dso__build_id_filename(dso, filename, size) == NULL))
59 case DSO_BINARY_TYPE__FEDORA_DEBUGINFO:
60 snprintf(filename, size, "%s/usr/lib/debug%s.debug",
61 symbol_conf.symfs, dso->long_name);
64 case DSO_BINARY_TYPE__UBUNTU_DEBUGINFO:
65 snprintf(filename, size, "%s/usr/lib/debug%s",
66 symbol_conf.symfs, dso->long_name);
69 case DSO_BINARY_TYPE__OPENEMBEDDED_DEBUGINFO:
71 const char *last_slash;
75 last_slash = dso->long_name + dso->long_name_len;
76 while (last_slash != dso->long_name && *last_slash != '/')
79 len = scnprintf(filename, size, "%s", symbol_conf.symfs);
80 dir_size = last_slash - dso->long_name + 2;
81 if (dir_size > (size - len)) {
85 len += scnprintf(filename + len, dir_size, "%s", dso->long_name);
86 len += scnprintf(filename + len , size - len, ".debug%s",
91 case DSO_BINARY_TYPE__BUILDID_DEBUGINFO:
92 if (!dso->has_build_id) {
97 build_id__sprintf(dso->build_id,
98 sizeof(dso->build_id),
100 snprintf(filename, size,
101 "%s/usr/lib/debug/.build-id/%.2s/%s.debug",
102 symbol_conf.symfs, build_id_hex, build_id_hex + 2);
105 case DSO_BINARY_TYPE__VMLINUX:
106 case DSO_BINARY_TYPE__GUEST_VMLINUX:
107 case DSO_BINARY_TYPE__SYSTEM_PATH_DSO:
108 snprintf(filename, size, "%s%s",
109 symbol_conf.symfs, dso->long_name);
112 case DSO_BINARY_TYPE__GUEST_KMODULE:
113 snprintf(filename, size, "%s%s%s", symbol_conf.symfs,
114 root_dir, dso->long_name);
117 case DSO_BINARY_TYPE__SYSTEM_PATH_KMODULE:
118 snprintf(filename, size, "%s%s", symbol_conf.symfs,
122 case DSO_BINARY_TYPE__KCORE:
123 case DSO_BINARY_TYPE__GUEST_KCORE:
124 snprintf(filename, size, "%s", dso->long_name);
128 case DSO_BINARY_TYPE__KALLSYMS:
129 case DSO_BINARY_TYPE__GUEST_KALLSYMS:
130 case DSO_BINARY_TYPE__JAVA_JIT:
131 case DSO_BINARY_TYPE__NOT_FOUND:
140 * Global list of open DSOs.
142 static LIST_HEAD(dso__data_open);
144 static void dso__list_add(struct dso *dso)
146 list_add_tail(&dso->data.open_entry, &dso__data_open);
149 static void dso__list_del(struct dso *dso)
151 list_del(&dso->data.open_entry);
154 static int __open_dso(struct dso *dso, struct machine *machine)
157 char *root_dir = (char *)"";
158 char *name = malloc(PATH_MAX);
164 root_dir = machine->root_dir;
166 if (dso__read_binary_type_filename(dso, dso->binary_type,
167 root_dir, name, PATH_MAX)) {
172 fd = open(name, O_RDONLY);
177 static int open_dso(struct dso *dso, struct machine *machine)
179 int fd = __open_dso(dso, machine);
187 static void close_data_fd(struct dso *dso)
189 if (dso->data.fd >= 0) {
196 static void close_dso(struct dso *dso)
201 void dso__data_close(struct dso *dso)
206 int dso__data_fd(struct dso *dso, struct machine *machine)
208 enum dso_binary_type binary_type_data[] = {
209 DSO_BINARY_TYPE__BUILD_ID_CACHE,
210 DSO_BINARY_TYPE__SYSTEM_PATH_DSO,
211 DSO_BINARY_TYPE__NOT_FOUND,
215 if (dso->data.fd >= 0)
218 if (dso->binary_type != DSO_BINARY_TYPE__NOT_FOUND) {
219 dso->data.fd = open_dso(dso, machine);
226 dso->binary_type = binary_type_data[i++];
228 fd = open_dso(dso, machine);
230 return dso->data.fd = fd;
232 } while (dso->binary_type != DSO_BINARY_TYPE__NOT_FOUND);
238 dso_cache__free(struct rb_root *root)
240 struct rb_node *next = rb_first(root);
243 struct dso_cache *cache;
245 cache = rb_entry(next, struct dso_cache, rb_node);
246 next = rb_next(&cache->rb_node);
247 rb_erase(&cache->rb_node, root);
252 static struct dso_cache *dso_cache__find(const struct rb_root *root, u64 offset)
254 struct rb_node * const *p = &root->rb_node;
255 const struct rb_node *parent = NULL;
256 struct dso_cache *cache;
262 cache = rb_entry(parent, struct dso_cache, rb_node);
263 end = cache->offset + DSO__DATA_CACHE_SIZE;
265 if (offset < cache->offset)
267 else if (offset >= end)
276 dso_cache__insert(struct rb_root *root, struct dso_cache *new)
278 struct rb_node **p = &root->rb_node;
279 struct rb_node *parent = NULL;
280 struct dso_cache *cache;
281 u64 offset = new->offset;
287 cache = rb_entry(parent, struct dso_cache, rb_node);
288 end = cache->offset + DSO__DATA_CACHE_SIZE;
290 if (offset < cache->offset)
292 else if (offset >= end)
296 rb_link_node(&new->rb_node, parent, p);
297 rb_insert_color(&new->rb_node, root);
301 dso_cache__memcpy(struct dso_cache *cache, u64 offset,
304 u64 cache_offset = offset - cache->offset;
305 u64 cache_size = min(cache->size - cache_offset, size);
307 memcpy(data, cache->data + cache_offset, cache_size);
312 dso_cache__read(struct dso *dso, struct machine *machine,
313 u64 offset, u8 *data, ssize_t size)
315 struct dso_cache *cache;
319 fd = dso__data_fd(dso, machine);
328 cache = zalloc(sizeof(*cache) + DSO__DATA_CACHE_SIZE);
332 cache_offset = offset & DSO__DATA_CACHE_MASK;
335 if (-1 == lseek(fd, cache_offset, SEEK_SET))
338 ret = read(fd, cache->data, DSO__DATA_CACHE_SIZE);
342 cache->offset = cache_offset;
344 dso_cache__insert(&dso->data.cache, cache);
346 ret = dso_cache__memcpy(cache, offset, data, size);
353 dso__data_close(dso);
357 static ssize_t dso_cache_read(struct dso *dso, struct machine *machine,
358 u64 offset, u8 *data, ssize_t size)
360 struct dso_cache *cache;
362 cache = dso_cache__find(&dso->data.cache, offset);
364 return dso_cache__memcpy(cache, offset, data, size);
366 return dso_cache__read(dso, machine, offset, data, size);
369 ssize_t dso__data_read_offset(struct dso *dso, struct machine *machine,
370 u64 offset, u8 *data, ssize_t size)
378 ret = dso_cache_read(dso, machine, offset, p, size);
382 /* Reached EOF, return what we have. */
398 ssize_t dso__data_read_addr(struct dso *dso, struct map *map,
399 struct machine *machine, u64 addr,
400 u8 *data, ssize_t size)
402 u64 offset = map->map_ip(map, addr);
403 return dso__data_read_offset(dso, machine, offset, data, size);
406 struct map *dso__new_map(const char *name)
408 struct map *map = NULL;
409 struct dso *dso = dso__new(name);
412 map = map__new2(0, dso, MAP__FUNCTION);
417 struct dso *dso__kernel_findnew(struct machine *machine, const char *name,
418 const char *short_name, int dso_type)
421 * The kernel dso could be created by build_id processing.
423 struct dso *dso = __dsos__findnew(&machine->kernel_dsos, name);
426 * We need to run this in all cases, since during the build_id
427 * processing we had no idea this was the kernel dso.
430 dso__set_short_name(dso, short_name, false);
431 dso->kernel = dso_type;
437 void dso__set_long_name(struct dso *dso, const char *name, bool name_allocated)
442 if (dso->long_name_allocated)
443 free((char *)dso->long_name);
445 dso->long_name = name;
446 dso->long_name_len = strlen(name);
447 dso->long_name_allocated = name_allocated;
450 void dso__set_short_name(struct dso *dso, const char *name, bool name_allocated)
455 if (dso->short_name_allocated)
456 free((char *)dso->short_name);
458 dso->short_name = name;
459 dso->short_name_len = strlen(name);
460 dso->short_name_allocated = name_allocated;
463 static void dso__set_basename(struct dso *dso)
466 * basename() may modify path buffer, so we must pass
469 char *base, *lname = strdup(dso->long_name);
475 * basename() may return a pointer to internal
476 * storage which is reused in subsequent calls
477 * so copy the result.
479 base = strdup(basename(lname));
486 dso__set_short_name(dso, base, true);
489 int dso__name_len(const struct dso *dso)
492 return strlen("[unknown]");
494 return dso->long_name_len;
496 return dso->short_name_len;
499 bool dso__loaded(const struct dso *dso, enum map_type type)
501 return dso->loaded & (1 << type);
504 bool dso__sorted_by_name(const struct dso *dso, enum map_type type)
506 return dso->sorted_by_name & (1 << type);
509 void dso__set_sorted_by_name(struct dso *dso, enum map_type type)
511 dso->sorted_by_name |= (1 << type);
514 struct dso *dso__new(const char *name)
516 struct dso *dso = calloc(1, sizeof(*dso) + strlen(name) + 1);
520 strcpy(dso->name, name);
521 dso__set_long_name(dso, dso->name, false);
522 dso__set_short_name(dso, dso->name, false);
523 for (i = 0; i < MAP__NR_TYPES; ++i)
524 dso->symbols[i] = dso->symbol_names[i] = RB_ROOT;
525 dso->data.cache = RB_ROOT;
527 dso->symtab_type = DSO_BINARY_TYPE__NOT_FOUND;
528 dso->binary_type = DSO_BINARY_TYPE__NOT_FOUND;
531 dso->sorted_by_name = 0;
532 dso->has_build_id = 0;
533 dso->has_srcline = 1;
535 dso->kernel = DSO_TYPE_USER;
536 dso->needs_swap = DSO_SWAP__UNSET;
537 INIT_LIST_HEAD(&dso->node);
538 INIT_LIST_HEAD(&dso->data.open_entry);
544 void dso__delete(struct dso *dso)
547 for (i = 0; i < MAP__NR_TYPES; ++i)
548 symbols__delete(&dso->symbols[i]);
550 if (dso->short_name_allocated) {
551 zfree((char **)&dso->short_name);
552 dso->short_name_allocated = false;
555 if (dso->long_name_allocated) {
556 zfree((char **)&dso->long_name);
557 dso->long_name_allocated = false;
560 dso__data_close(dso);
561 dso_cache__free(&dso->data.cache);
563 zfree(&dso->symsrc_filename);
567 void dso__set_build_id(struct dso *dso, void *build_id)
569 memcpy(dso->build_id, build_id, sizeof(dso->build_id));
570 dso->has_build_id = 1;
573 bool dso__build_id_equal(const struct dso *dso, u8 *build_id)
575 return memcmp(dso->build_id, build_id, sizeof(dso->build_id)) == 0;
578 void dso__read_running_kernel_build_id(struct dso *dso, struct machine *machine)
582 if (machine__is_default_guest(machine))
584 sprintf(path, "%s/sys/kernel/notes", machine->root_dir);
585 if (sysfs__read_build_id(path, dso->build_id,
586 sizeof(dso->build_id)) == 0)
587 dso->has_build_id = true;
590 int dso__kernel_module_get_build_id(struct dso *dso,
591 const char *root_dir)
593 char filename[PATH_MAX];
595 * kernel module short names are of the form "[module]" and
596 * we need just "module" here.
598 const char *name = dso->short_name + 1;
600 snprintf(filename, sizeof(filename),
601 "%s/sys/module/%.*s/notes/.note.gnu.build-id",
602 root_dir, (int)strlen(name) - 1, name);
604 if (sysfs__read_build_id(filename, dso->build_id,
605 sizeof(dso->build_id)) == 0)
606 dso->has_build_id = true;
611 bool __dsos__read_build_ids(struct list_head *head, bool with_hits)
613 bool have_build_id = false;
616 list_for_each_entry(pos, head, node) {
617 if (with_hits && !pos->hit)
619 if (pos->has_build_id) {
620 have_build_id = true;
623 if (filename__read_build_id(pos->long_name, pos->build_id,
624 sizeof(pos->build_id)) > 0) {
625 have_build_id = true;
626 pos->has_build_id = true;
630 return have_build_id;
633 void dsos__add(struct list_head *head, struct dso *dso)
635 list_add_tail(&dso->node, head);
638 struct dso *dsos__find(const struct list_head *head, const char *name, bool cmp_short)
643 list_for_each_entry(pos, head, node)
644 if (strcmp(pos->short_name, name) == 0)
648 list_for_each_entry(pos, head, node)
649 if (strcmp(pos->long_name, name) == 0)
654 struct dso *__dsos__findnew(struct list_head *head, const char *name)
656 struct dso *dso = dsos__find(head, name, false);
659 dso = dso__new(name);
661 dsos__add(head, dso);
662 dso__set_basename(dso);
669 size_t __dsos__fprintf_buildid(struct list_head *head, FILE *fp,
670 bool (skip)(struct dso *dso, int parm), int parm)
675 list_for_each_entry(pos, head, node) {
676 if (skip && skip(pos, parm))
678 ret += dso__fprintf_buildid(pos, fp);
679 ret += fprintf(fp, " %s\n", pos->long_name);
684 size_t __dsos__fprintf(struct list_head *head, FILE *fp)
689 list_for_each_entry(pos, head, node) {
691 for (i = 0; i < MAP__NR_TYPES; ++i)
692 ret += dso__fprintf(pos, i, fp);
698 size_t dso__fprintf_buildid(struct dso *dso, FILE *fp)
700 char sbuild_id[BUILD_ID_SIZE * 2 + 1];
702 build_id__sprintf(dso->build_id, sizeof(dso->build_id), sbuild_id);
703 return fprintf(fp, "%s", sbuild_id);
706 size_t dso__fprintf(struct dso *dso, enum map_type type, FILE *fp)
709 size_t ret = fprintf(fp, "dso: %s (", dso->short_name);
711 if (dso->short_name != dso->long_name)
712 ret += fprintf(fp, "%s, ", dso->long_name);
713 ret += fprintf(fp, "%s, %sloaded, ", map_type__name[type],
714 dso__loaded(dso, type) ? "" : "NOT ");
715 ret += dso__fprintf_buildid(dso, fp);
716 ret += fprintf(fp, ")\n");
717 for (nd = rb_first(&dso->symbols[type]); nd; nd = rb_next(nd)) {
718 struct symbol *pos = rb_entry(nd, struct symbol, rb_node);
719 ret += symbol__fprintf(pos, fp);