diff options
Diffstat (limited to 'tools/perf/util/symbol.c')
-rw-r--r-- | tools/perf/util/symbol.c | 138 |
1 files changed, 52 insertions, 86 deletions
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c index fe0e0d84a586..efc16a3e0b45 100644 --- a/tools/perf/util/symbol.c +++ b/tools/perf/util/symbol.c @@ -71,18 +71,10 @@ static enum dso_binary_type binary_type_symtab[] = { #define DSO_BINARY_TYPE__SYMTAB_CNT ARRAY_SIZE(binary_type_symtab) -static bool symbol_type__is_a(char symbol_type, enum map_type map_type) +static bool symbol_type__filter(char symbol_type) { symbol_type = toupper(symbol_type); - - switch (map_type) { - case MAP__FUNCTION: - return symbol_type == 'T' || symbol_type == 'W'; - case MAP__VARIABLE: - return symbol_type == 'D'; - default: - return false; - } + return symbol_type == 'T' || symbol_type == 'W' || symbol_type == 'D'; } static int prefix_underscores_count(const char *str) @@ -229,9 +221,9 @@ void symbols__fixup_end(struct rb_root *symbols) curr->end = roundup(curr->start, 4096) + 4096; } -void __map_groups__fixup_end(struct map_groups *mg, enum map_type type) +void map_groups__fixup_end(struct map_groups *mg) { - struct maps *maps = &mg->maps[type]; + struct maps *maps = &mg->maps; struct map *next, *curr; down_write(&maps->lock); @@ -486,55 +478,40 @@ static struct symbol *symbols__find_by_name(struct rb_root *symbols, void dso__reset_find_symbol_cache(struct dso *dso) { - enum map_type type; - - for (type = MAP__FUNCTION; type <= MAP__VARIABLE; ++type) { - dso->last_find_result[type].addr = 0; - dso->last_find_result[type].symbol = NULL; - } + dso->last_find_result.addr = 0; + dso->last_find_result.symbol = NULL; } -void dso__insert_symbol(struct dso *dso, enum map_type type, struct symbol *sym) +void dso__insert_symbol(struct dso *dso, struct symbol *sym) { - __symbols__insert(&dso->symbols[type], sym, dso->kernel); + __symbols__insert(&dso->symbols, sym, dso->kernel); /* update the symbol cache if necessary */ - if (dso->last_find_result[type].addr >= sym->start && - (dso->last_find_result[type].addr < sym->end || + if (dso->last_find_result.addr >= sym->start && + (dso->last_find_result.addr < sym->end || sym->start == sym->end)) { - dso->last_find_result[type].symbol = sym; + dso->last_find_result.symbol = sym; } } -struct symbol *__dso__find_symbol(struct dso *dso, - enum map_type type, u64 addr) +struct symbol *dso__find_symbol(struct dso *dso, u64 addr) { - if (dso->last_find_result[type].addr != addr || dso->last_find_result[type].symbol == NULL) { - dso->last_find_result[type].addr = addr; - dso->last_find_result[type].symbol = symbols__find(&dso->symbols[type], addr); + if (dso->last_find_result.addr != addr || dso->last_find_result.symbol == NULL) { + dso->last_find_result.addr = addr; + dso->last_find_result.symbol = symbols__find(&dso->symbols, addr); } - return dso->last_find_result[type].symbol; -} - -static struct symbol *__dso__first_symbol(struct dso *dso, enum map_type type) -{ - return symbols__first(&dso->symbols[type]); + return dso->last_find_result.symbol; } struct symbol *dso__first_symbol(struct dso *dso) { - return __dso__first_symbol(dso, MAP__FUNCTION); -} - -static struct symbol *__dso__last_symbol(struct dso *dso, enum map_type type) -{ - return symbols__last(&dso->symbols[type]); + return symbols__first(&dso->symbols); } struct symbol *dso__last_symbol(struct dso *dso) { - return __dso__last_symbol(dso, MAP__FUNCTION); + return symbols__last(&dso->symbols); } struct symbol *dso__next_symbol(struct symbol *sym) @@ -553,22 +530,20 @@ struct symbol *symbol__next_by_name(struct symbol *sym) /* * Returns first symbol that matched with @name. */ -struct symbol *__dso__find_symbol_by_name(struct dso *dso, enum map_type type, - const char *name) +struct symbol *dso__find_symbol_by_name(struct dso *dso, const char *name) { - struct symbol *s = symbols__find_by_name(&dso->symbol_names[type], name, + struct symbol *s = symbols__find_by_name(&dso->symbol_names, name, SYMBOL_TAG_INCLUDE__NONE); if (!s) - s = symbols__find_by_name(&dso->symbol_names[type], name, + s = symbols__find_by_name(&dso->symbol_names, name, SYMBOL_TAG_INCLUDE__DEFAULT_ONLY); return s; } -void dso__sort_by_name(struct dso *dso, enum map_type type) +void dso__sort_by_name(struct dso *dso) { - dso__set_sorted_by_name(dso, type); - return symbols__sort_by_name(&dso->symbol_names[type], - &dso->symbols[type]); + dso__set_sorted_by_name(dso); + return symbols__sort_by_name(&dso->symbol_names, &dso->symbols); } int modules__parse(const char *filename, void *arg, @@ -674,9 +649,9 @@ static int map__process_kallsym_symbol(void *arg, const char *name, { struct symbol *sym; struct process_kallsyms_args *a = arg; - struct rb_root *root = &a->dso->symbols[a->map->type]; + struct rb_root *root = &a->dso->symbols; - if (!symbol_type__is_a(type, a->map->type)) + if (!symbol_type__filter(type)) return 0; /* @@ -714,8 +689,8 @@ static int dso__split_kallsyms_for_kcore(struct dso *dso, struct map *map) struct map *curr_map; struct symbol *pos; int count = 0; - struct rb_root old_root = dso->symbols[map->type]; - struct rb_root *root = &dso->symbols[map->type]; + struct rb_root old_root = dso->symbols; + struct rb_root *root = &dso->symbols; struct rb_node *next = rb_first(root); if (!kmaps) @@ -735,7 +710,7 @@ static int dso__split_kallsyms_for_kcore(struct dso *dso, struct map *map) if (module) *module = '\0'; - curr_map = __map_groups__find(kmaps, map->type, pos->start); + curr_map = map_groups__find(kmaps, pos->start); if (!curr_map) { symbol__delete(pos); @@ -745,7 +720,7 @@ static int dso__split_kallsyms_for_kcore(struct dso *dso, struct map *map) pos->start -= curr_map->start - curr_map->pgoff; if (pos->end) pos->end -= curr_map->start - curr_map->pgoff; - symbols__insert(&curr_map->dso->symbols[curr_map->type], pos); + symbols__insert(&curr_map->dso->symbols, pos); ++count; } @@ -767,7 +742,7 @@ static int dso__split_kallsyms(struct dso *dso, struct map *map, u64 delta) struct map *curr_map = map; struct symbol *pos; int count = 0, moved = 0; - struct rb_root *root = &dso->symbols[map->type]; + struct rb_root *root = &dso->symbols; struct rb_node *next = rb_first(root); int kernel_range = 0; @@ -800,11 +775,10 @@ static int dso__split_kallsyms(struct dso *dso, struct map *map, u64 delta) * symbols are in its kmap. Mark it as * loaded. */ - dso__set_loaded(curr_map->dso, - curr_map->type); + dso__set_loaded(curr_map->dso); } - curr_map = __map_groups__find_by_name(kmaps, map->type, module); + curr_map = map_groups__find_by_name(kmaps, module); if (curr_map == NULL) { pr_debug("%s/proc/{kallsyms,modules} " "inconsistency while looking " @@ -854,7 +828,7 @@ static int dso__split_kallsyms(struct dso *dso, struct map *map, u64 delta) ndso->kernel = dso->kernel; - curr_map = map__new2(pos->start, ndso, map->type); + curr_map = map__new2(pos->start, ndso); if (curr_map == NULL) { dso__put(ndso); return -1; @@ -871,7 +845,7 @@ static int dso__split_kallsyms(struct dso *dso, struct map *map, u64 delta) add_symbol: if (curr_map != map) { rb_erase(&pos->rb_node, root); - symbols__insert(&curr_map->dso->symbols[curr_map->type], pos); + symbols__insert(&curr_map->dso->symbols, pos); ++moved; } else ++count; @@ -885,7 +859,7 @@ discard_symbol: if (curr_map != map && dso->kernel == DSO_TYPE_GUEST_KERNEL && machine__is_default_guest(kmaps->machine)) { - dso__set_loaded(curr_map->dso, curr_map->type); + dso__set_loaded(curr_map->dso); } return count + moved; @@ -1046,14 +1020,9 @@ out_delete_from: return ret; } -static struct map *__map_groups__first(struct map_groups *mg, enum map_type type) -{ - return maps__first(&mg->maps[type]); -} - struct map *map_groups__first(struct map_groups *mg) { - return __map_groups__first(mg, MAP__FUNCTION); + return maps__first(&mg->maps); } static int do_validate_kcore_modules(const char *filename, struct map *map, @@ -1067,7 +1036,7 @@ static int do_validate_kcore_modules(const char *filename, struct map *map, if (err) return err; - old_map = __map_groups__first(kmaps, map->type); + old_map = map_groups__first(kmaps); while (old_map) { struct map *next = map_groups__next(old_map); struct module_info *mi; @@ -1159,7 +1128,6 @@ static int validate_kcore_addresses(const char *kallsyms_filename, struct kcore_mapfn_data { struct dso *dso; - enum map_type type; struct list_head maps; }; @@ -1168,7 +1136,7 @@ static int kcore_mapfn(u64 start, u64 len, u64 pgoff, void *data) struct kcore_mapfn_data *md = data; struct map *map; - map = map__new2(start, md->dso, md->type); + map = map__new2(start, md->dso); if (map == NULL) return -ENOMEM; @@ -1207,7 +1175,6 @@ static int dso__load_kcore(struct dso *dso, struct map *map, return -EINVAL; md.dso = dso; - md.type = map->type; INIT_LIST_HEAD(&md.maps); fd = open(kcore_filename, O_RDONLY); @@ -1230,7 +1197,7 @@ static int dso__load_kcore(struct dso *dso, struct map *map, } /* Remove old maps */ - old_map = __map_groups__first(kmaps, map->type); + old_map = map_groups__first(kmaps); while (old_map) { struct map *next = map_groups__next(old_map); @@ -1240,7 +1207,7 @@ static int dso__load_kcore(struct dso *dso, struct map *map, } /* Find the kernel map using the first symbol */ - sym = __dso__first_symbol(dso, map->type); + sym = dso__first_symbol(dso); list_for_each_entry(new_map, &md.maps, node) { if (sym && sym->start >= new_map->start && sym->start < new_map->end) { @@ -1339,8 +1306,8 @@ int __dso__load_kallsyms(struct dso *dso, const char *filename, if (kallsyms__delta(map, filename, &delta)) return -1; - symbols__fixup_end(&dso->symbols[map->type]); - symbols__fixup_duplicate(&dso->symbols[map->type]); + symbols__fixup_end(&dso->symbols); + symbols__fixup_duplicate(&dso->symbols); if (dso->kernel == DSO_TYPE_GUEST_KERNEL) dso->symtab_type = DSO_BINARY_TYPE__GUEST_KALLSYMS; @@ -1359,8 +1326,7 @@ int dso__load_kallsyms(struct dso *dso, const char *filename, return __dso__load_kallsyms(dso, filename, map, false); } -static int dso__load_perf_map(const char *map_path, struct dso *dso, - struct map *map) +static int dso__load_perf_map(const char *map_path, struct dso *dso) { char *line = NULL; size_t n; @@ -1402,7 +1368,7 @@ static int dso__load_perf_map(const char *map_path, struct dso *dso, if (sym == NULL) goto out_delete_line; - symbols__insert(&dso->symbols[map->type], sym); + symbols__insert(&dso->symbols, sym); nr_syms++; } @@ -1527,7 +1493,7 @@ int dso__load(struct dso *dso, struct map *map) pthread_mutex_lock(&dso->lock); /* check again under the dso->lock */ - if (dso__loaded(dso, map->type)) { + if (dso__loaded(dso)) { ret = 1; goto out; } @@ -1560,7 +1526,7 @@ int dso__load(struct dso *dso, struct map *map) goto out; } - ret = dso__load_perf_map(map_path, dso, map); + ret = dso__load_perf_map(map_path, dso); dso->symtab_type = ret > 0 ? DSO_BINARY_TYPE__JAVA_JIT : DSO_BINARY_TYPE__NOT_FOUND; goto out; @@ -1669,7 +1635,7 @@ int dso__load(struct dso *dso, struct map *map) if (ret > 0) { int nr_plt; - nr_plt = dso__synthesize_plt_symbols(dso, runtime_ss, map); + nr_plt = dso__synthesize_plt_symbols(dso, runtime_ss); if (nr_plt > 0) ret += nr_plt; } @@ -1681,16 +1647,16 @@ out_free: if (ret < 0 && strstr(dso->name, " (deleted)") != NULL) ret = 0; out: - dso__set_loaded(dso, map->type); + dso__set_loaded(dso); pthread_mutex_unlock(&dso->lock); nsinfo__mountns_exit(&nsc); return ret; } -struct map *__map_groups__find_by_name(struct map_groups *mg, enum map_type type, const char *name) +struct map *map_groups__find_by_name(struct map_groups *mg, const char *name) { - struct maps *maps = &mg->maps[type]; + struct maps *maps = &mg->maps; struct map *map; down_read(&maps->lock); @@ -1737,7 +1703,7 @@ int dso__load_vmlinux(struct dso *dso, struct map *map, else dso->binary_type = DSO_BINARY_TYPE__VMLINUX; dso__set_long_name(dso, vmlinux, vmlinux_allocated); - dso__set_loaded(dso, map->type); + dso__set_loaded(dso); pr_debug("Using %s for symbols\n", symfs_vmlinux); } |