8 const char *map_type__name[MAP__NR_TYPES] = {
9 [MAP__FUNCTION] = "Functions",
10 [MAP__VARIABLE] = "Variables",
13 static inline int is_anon_memory(const char *filename)
15 return strcmp(filename, "//anon") == 0;
18 static int strcommon(const char *pathname, char *cwd, int cwdlen)
22 while (n < cwdlen && pathname[n] == cwd[n])
28 void map__init(struct map *self, enum map_type type,
29 u64 start, u64 end, u64 pgoff, struct dso *dso)
36 self->map_ip = map__map_ip;
37 self->unmap_ip = map__unmap_ip;
38 RB_CLEAR_NODE(&self->rb_node);
41 struct map *map__new(struct mmap_event *event, enum map_type type,
42 char *cwd, int cwdlen)
44 struct map *self = malloc(sizeof(*self));
47 const char *filename = event->filename;
48 char newfilename[PATH_MAX];
53 int n = strcommon(filename, cwd, cwdlen);
56 snprintf(newfilename, sizeof(newfilename),
58 filename = newfilename;
62 anon = is_anon_memory(filename);
65 snprintf(newfilename, sizeof(newfilename), "/tmp/perf-%d.map", event->pid);
66 filename = newfilename;
69 dso = dsos__findnew(filename);
73 map__init(self, type, event->start, event->start + event->len,
78 self->map_ip = self->unmap_ip = identity__map_ip;
79 } else if (strcmp(filename, "[vdso]") == 0) {
80 dso__set_loaded(dso, self->type);
90 void map__delete(struct map *self)
95 void map__fixup_start(struct map *self)
97 struct rb_root *symbols = &self->dso->symbols[self->type];
98 struct rb_node *nd = rb_first(symbols);
100 struct symbol *sym = rb_entry(nd, struct symbol, rb_node);
101 self->start = sym->start;
105 void map__fixup_end(struct map *self)
107 struct rb_root *symbols = &self->dso->symbols[self->type];
108 struct rb_node *nd = rb_last(symbols);
110 struct symbol *sym = rb_entry(nd, struct symbol, rb_node);
111 self->end = sym->end;
115 #define DSO__DELETED "(deleted)"
117 int map__load(struct map *self, symbol_filter_t filter)
119 const char *name = self->dso->long_name;
122 if (dso__loaded(self->dso, self->type))
125 nr = dso__load(self->dso, self, filter);
127 if (self->dso->has_build_id) {
128 char sbuild_id[BUILD_ID_SIZE * 2 + 1];
130 build_id__sprintf(self->dso->build_id,
131 sizeof(self->dso->build_id),
133 pr_warning("%s with build id %s not found",
136 pr_warning("Failed to open %s", name);
138 pr_warning(", continuing without symbols\n");
140 } else if (nr == 0) {
141 const size_t len = strlen(name);
142 const size_t real_len = len - sizeof(DSO__DELETED);
144 if (len > sizeof(DSO__DELETED) &&
145 strcmp(name + real_len + 1, DSO__DELETED) == 0) {
146 pr_warning("%.*s was updated, restart the long "
147 "running apps that use it!\n",
148 (int)real_len, name);
150 pr_warning("no symbols found in %s, maybe install "
151 "a debug package?\n", name);
157 * Only applies to the kernel, as its symtabs aren't relative like the
160 if (self->dso->kernel)
161 map__reloc_vmlinux(self);
166 struct symbol *map__find_symbol(struct map *self, u64 addr,
167 symbol_filter_t filter)
169 if (map__load(self, filter) < 0)
172 return dso__find_symbol(self->dso, self->type, addr);
175 struct symbol *map__find_symbol_by_name(struct map *self, const char *name,
176 symbol_filter_t filter)
178 if (map__load(self, filter) < 0)
181 if (!dso__sorted_by_name(self->dso, self->type))
182 dso__sort_by_name(self->dso, self->type);
184 return dso__find_symbol_by_name(self->dso, self->type, name);
187 struct map *map__clone(struct map *self)
189 struct map *map = malloc(sizeof(*self));
194 memcpy(map, self, sizeof(*self));
199 int map__overlap(struct map *l, struct map *r)
201 if (l->start > r->start) {
207 if (l->end > r->start)
213 size_t map__fprintf(struct map *self, FILE *fp)
215 return fprintf(fp, " %Lx-%Lx %Lx %s\n",
216 self->start, self->end, self->pgoff, self->dso->name);
220 * objdump wants/reports absolute IPs for ET_EXEC, and RIPs for ET_DYN.
221 * map->dso->adjust_symbols==1 for ET_EXEC-like cases.
223 u64 map__rip_2objdump(struct map *map, u64 rip)
225 u64 addr = map->dso->adjust_symbols ?
226 map->unmap_ip(map, rip) : /* RIP -> IP */
231 u64 map__objdump_2ip(struct map *map, u64 addr)
233 u64 ip = map->dso->adjust_symbols ?
235 map->unmap_ip(map, addr); /* RIP -> IP */