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(const struct dso *dso, enum dso_binary_type type,
32 char *root_dir, char *filename, size_t size)
34 char build_id_hex[BUILD_ID_SIZE * 2 + 1];
38 case DSO_BINARY_TYPE__DEBUGLINK: {
41 strncpy(filename, dso->long_name, size);
42 debuglink = filename + dso->long_name_len;
43 while (debuglink != filename && *debuglink != '/')
45 if (*debuglink == '/')
47 filename__read_debuglink(dso->long_name, debuglink,
48 size - (debuglink - filename));
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, filename, size) == NULL))
58 case DSO_BINARY_TYPE__FEDORA_DEBUGINFO:
59 snprintf(filename, size, "%s/usr/lib/debug%s.debug",
60 symbol_conf.symfs, dso->long_name);
63 case DSO_BINARY_TYPE__UBUNTU_DEBUGINFO:
64 snprintf(filename, size, "%s/usr/lib/debug%s",
65 symbol_conf.symfs, dso->long_name);
68 case DSO_BINARY_TYPE__OPENEMBEDDED_DEBUGINFO:
70 const char *last_slash;
74 last_slash = dso->long_name + dso->long_name_len;
75 while (last_slash != dso->long_name && *last_slash != '/')
78 len = scnprintf(filename, size, "%s", symbol_conf.symfs);
79 dir_size = last_slash - dso->long_name + 2;
80 if (dir_size > (size - len)) {
84 len += scnprintf(filename + len, dir_size, "%s", dso->long_name);
85 len += scnprintf(filename + 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),
99 snprintf(filename, size,
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(filename, size, "%s%s",
108 symbol_conf.symfs, dso->long_name);
111 case DSO_BINARY_TYPE__GUEST_KMODULE:
112 snprintf(filename, size, "%s%s%s", symbol_conf.symfs,
113 root_dir, dso->long_name);
116 case DSO_BINARY_TYPE__SYSTEM_PATH_KMODULE:
117 snprintf(filename, size, "%s%s", symbol_conf.symfs,
121 case DSO_BINARY_TYPE__KCORE:
122 case DSO_BINARY_TYPE__GUEST_KCORE:
123 snprintf(filename, 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 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 *dso_cache__find(const struct rb_root *root, u64 offset)
205 struct rb_node * const *p = &root->rb_node;
206 const struct rb_node *parent = NULL;
207 struct dso_cache *cache;
213 cache = rb_entry(parent, struct dso_cache, rb_node);
214 end = cache->offset + DSO__DATA_CACHE_SIZE;
216 if (offset < cache->offset)
218 else if (offset >= end)
227 dso_cache__insert(struct rb_root *root, struct dso_cache *new)
229 struct rb_node **p = &root->rb_node;
230 struct rb_node *parent = NULL;
231 struct dso_cache *cache;
232 u64 offset = new->offset;
238 cache = rb_entry(parent, struct dso_cache, rb_node);
239 end = cache->offset + DSO__DATA_CACHE_SIZE;
241 if (offset < cache->offset)
243 else if (offset >= end)
247 rb_link_node(&new->rb_node, parent, p);
248 rb_insert_color(&new->rb_node, root);
252 dso_cache__memcpy(struct dso_cache *cache, u64 offset,
255 u64 cache_offset = offset - cache->offset;
256 u64 cache_size = min(cache->size - cache_offset, size);
258 memcpy(data, cache->data + cache_offset, cache_size);
263 dso_cache__read(struct dso *dso, struct machine *machine,
264 u64 offset, u8 *data, ssize_t size)
266 struct dso_cache *cache;
270 fd = dso__data_fd(dso, machine);
279 cache = zalloc(sizeof(*cache) + DSO__DATA_CACHE_SIZE);
283 cache_offset = offset & DSO__DATA_CACHE_MASK;
286 if (-1 == lseek(fd, cache_offset, SEEK_SET))
289 ret = read(fd, cache->data, DSO__DATA_CACHE_SIZE);
293 cache->offset = cache_offset;
295 dso_cache__insert(&dso->cache, cache);
297 ret = dso_cache__memcpy(cache, offset, data, size);
308 static ssize_t dso_cache_read(struct dso *dso, struct machine *machine,
309 u64 offset, u8 *data, ssize_t size)
311 struct dso_cache *cache;
313 cache = dso_cache__find(&dso->cache, offset);
315 return dso_cache__memcpy(cache, offset, data, size);
317 return dso_cache__read(dso, machine, offset, data, size);
320 ssize_t dso__data_read_offset(struct dso *dso, struct machine *machine,
321 u64 offset, u8 *data, ssize_t size)
329 ret = dso_cache_read(dso, machine, offset, p, size);
333 /* Reached EOF, return what we have. */
349 ssize_t dso__data_read_addr(struct dso *dso, struct map *map,
350 struct machine *machine, u64 addr,
351 u8 *data, ssize_t size)
353 u64 offset = map->map_ip(map, addr);
354 return dso__data_read_offset(dso, machine, offset, data, size);
357 struct map *dso__new_map(const char *name)
359 struct map *map = NULL;
360 struct dso *dso = dso__new(name);
363 map = map__new2(0, dso, MAP__FUNCTION);
368 struct dso *dso__kernel_findnew(struct machine *machine, const char *name,
369 const char *short_name, int dso_type)
372 * The kernel dso could be created by build_id processing.
374 struct dso *dso = __dsos__findnew(&machine->kernel_dsos, name);
377 * We need to run this in all cases, since during the build_id
378 * processing we had no idea this was the kernel dso.
381 dso__set_short_name(dso, short_name, false);
382 dso->kernel = dso_type;
388 void dso__set_long_name(struct dso *dso, const char *name, bool name_allocated)
393 if (dso->long_name_allocated)
394 free((char *)dso->long_name);
396 dso->long_name = name;
397 dso->long_name_len = strlen(name);
398 dso->long_name_allocated = name_allocated;
401 void dso__set_short_name(struct dso *dso, const char *name, bool name_allocated)
406 if (dso->short_name_allocated)
407 free((char *)dso->short_name);
409 dso->short_name = name;
410 dso->short_name_len = strlen(name);
411 dso->short_name_allocated = name_allocated;
414 static void dso__set_basename(struct dso *dso)
417 * basename() may modify path buffer, so we must pass
420 char *base, *lname = strdup(dso->long_name);
426 * basename() may return a pointer to internal
427 * storage which is reused in subsequent calls
428 * so copy the result.
430 base = strdup(basename(lname));
437 dso__set_short_name(dso, base, true);
440 int dso__name_len(const struct dso *dso)
443 return strlen("[unknown]");
445 return dso->long_name_len;
447 return dso->short_name_len;
450 bool dso__loaded(const struct dso *dso, enum map_type type)
452 return dso->loaded & (1 << type);
455 bool dso__sorted_by_name(const struct dso *dso, enum map_type type)
457 return dso->sorted_by_name & (1 << type);
460 void dso__set_sorted_by_name(struct dso *dso, enum map_type type)
462 dso->sorted_by_name |= (1 << type);
465 struct dso *dso__new(const char *name)
467 struct dso *dso = calloc(1, sizeof(*dso) + strlen(name) + 1);
471 strcpy(dso->name, name);
472 dso__set_long_name(dso, dso->name, false);
473 dso__set_short_name(dso, dso->name, false);
474 for (i = 0; i < MAP__NR_TYPES; ++i)
475 dso->symbols[i] = dso->symbol_names[i] = RB_ROOT;
476 dso->cache = RB_ROOT;
477 dso->symtab_type = DSO_BINARY_TYPE__NOT_FOUND;
478 dso->data_type = DSO_BINARY_TYPE__NOT_FOUND;
481 dso->sorted_by_name = 0;
482 dso->has_build_id = 0;
483 dso->has_srcline = 1;
485 dso->kernel = DSO_TYPE_USER;
486 dso->needs_swap = DSO_SWAP__UNSET;
487 INIT_LIST_HEAD(&dso->node);
493 void dso__delete(struct dso *dso)
496 for (i = 0; i < MAP__NR_TYPES; ++i)
497 symbols__delete(&dso->symbols[i]);
499 if (dso->short_name_allocated) {
500 free((char *)dso->short_name);
501 dso->short_name = NULL;
502 dso->short_name_allocated = false;
505 if (dso->long_name_allocated) {
506 free((char *)dso->long_name);
507 dso->long_name = NULL;
508 dso->long_name_allocated = false;
511 dso_cache__free(&dso->cache);
513 free(dso->symsrc_filename);
514 dso->symsrc_filename = NULL;
518 void dso__set_build_id(struct dso *dso, void *build_id)
520 memcpy(dso->build_id, build_id, sizeof(dso->build_id));
521 dso->has_build_id = 1;
524 bool dso__build_id_equal(const struct dso *dso, u8 *build_id)
526 return memcmp(dso->build_id, build_id, sizeof(dso->build_id)) == 0;
529 void dso__read_running_kernel_build_id(struct dso *dso, struct machine *machine)
533 if (machine__is_default_guest(machine))
535 sprintf(path, "%s/sys/kernel/notes", machine->root_dir);
536 if (sysfs__read_build_id(path, dso->build_id,
537 sizeof(dso->build_id)) == 0)
538 dso->has_build_id = true;
541 int dso__kernel_module_get_build_id(struct dso *dso,
542 const char *root_dir)
544 char filename[PATH_MAX];
546 * kernel module short names are of the form "[module]" and
547 * we need just "module" here.
549 const char *name = dso->short_name + 1;
551 snprintf(filename, sizeof(filename),
552 "%s/sys/module/%.*s/notes/.note.gnu.build-id",
553 root_dir, (int)strlen(name) - 1, name);
555 if (sysfs__read_build_id(filename, dso->build_id,
556 sizeof(dso->build_id)) == 0)
557 dso->has_build_id = true;
562 bool __dsos__read_build_ids(struct list_head *head, bool with_hits)
564 bool have_build_id = false;
567 list_for_each_entry(pos, head, node) {
568 if (with_hits && !pos->hit)
570 if (pos->has_build_id) {
571 have_build_id = true;
574 if (filename__read_build_id(pos->long_name, pos->build_id,
575 sizeof(pos->build_id)) > 0) {
576 have_build_id = true;
577 pos->has_build_id = true;
581 return have_build_id;
584 void dsos__add(struct list_head *head, struct dso *dso)
586 list_add_tail(&dso->node, head);
589 struct dso *dsos__find(const struct list_head *head, const char *name, bool cmp_short)
594 list_for_each_entry(pos, head, node)
595 if (strcmp(pos->short_name, name) == 0)
599 list_for_each_entry(pos, head, node)
600 if (strcmp(pos->long_name, name) == 0)
605 struct dso *__dsos__findnew(struct list_head *head, const char *name)
607 struct dso *dso = dsos__find(head, name, false);
610 dso = dso__new(name);
612 dsos__add(head, dso);
613 dso__set_basename(dso);
620 size_t __dsos__fprintf_buildid(struct list_head *head, FILE *fp,
621 bool (skip)(struct dso *dso, int parm), int parm)
626 list_for_each_entry(pos, head, node) {
627 if (skip && skip(pos, parm))
629 ret += dso__fprintf_buildid(pos, fp);
630 ret += fprintf(fp, " %s\n", pos->long_name);
635 size_t __dsos__fprintf(struct list_head *head, FILE *fp)
640 list_for_each_entry(pos, head, node) {
642 for (i = 0; i < MAP__NR_TYPES; ++i)
643 ret += dso__fprintf(pos, i, fp);
649 size_t dso__fprintf_buildid(struct dso *dso, FILE *fp)
651 char sbuild_id[BUILD_ID_SIZE * 2 + 1];
653 build_id__sprintf(dso->build_id, sizeof(dso->build_id), sbuild_id);
654 return fprintf(fp, "%s", sbuild_id);
657 size_t dso__fprintf(struct dso *dso, enum map_type type, FILE *fp)
660 size_t ret = fprintf(fp, "dso: %s (", dso->short_name);
662 if (dso->short_name != dso->long_name)
663 ret += fprintf(fp, "%s, ", dso->long_name);
664 ret += fprintf(fp, "%s, %sloaded, ", map_type__name[type],
665 dso__loaded(dso, type) ? "" : "NOT ");
666 ret += dso__fprintf_buildid(dso, fp);
667 ret += fprintf(fp, ")\n");
668 for (nd = rb_first(&dso->symbols[type]); nd; nd = rb_next(nd)) {
669 struct symbol *pos = rb_entry(nd, struct symbol, rb_node);
670 ret += symbol__fprintf(pos, fp);