8 static inline int is_anon_memory(const char *filename)
10 return strcmp(filename, "//anon") == 0;
13 static int strcommon(const char *pathname, char *cwd, int cwdlen)
17 while (n < cwdlen && pathname[n] == cwd[n])
23 void map__init(struct map *self, enum map_type type,
24 u64 start, u64 end, u64 pgoff, struct dso *dso)
31 self->map_ip = map__map_ip;
32 self->unmap_ip = map__unmap_ip;
33 RB_CLEAR_NODE(&self->rb_node);
36 struct map *map__new(struct mmap_event *event, enum map_type type,
37 char *cwd, int cwdlen)
39 struct map *self = malloc(sizeof(*self));
42 const char *filename = event->filename;
43 char newfilename[PATH_MAX];
48 int n = strcommon(filename, cwd, cwdlen);
51 snprintf(newfilename, sizeof(newfilename),
53 filename = newfilename;
57 anon = is_anon_memory(filename);
60 snprintf(newfilename, sizeof(newfilename), "/tmp/perf-%d.map", event->pid);
61 filename = newfilename;
64 dso = dsos__findnew(filename);
68 map__init(self, type, event->start, event->start + event->len,
71 if (self->dso == vdso || anon)
72 self->map_ip = self->unmap_ip = identity__map_ip;
80 void map__delete(struct map *self)
85 void map__fixup_start(struct map *self)
87 struct rb_root *symbols = &self->dso->symbols[self->type];
88 struct rb_node *nd = rb_first(symbols);
90 struct symbol *sym = rb_entry(nd, struct symbol, rb_node);
91 self->start = sym->start;
95 void map__fixup_end(struct map *self)
97 struct rb_root *symbols = &self->dso->symbols[self->type];
98 struct rb_node *nd = rb_last(symbols);
100 struct symbol *sym = rb_entry(nd, struct symbol, rb_node);
101 self->end = sym->end;
105 #define DSO__DELETED "(deleted)"
107 struct symbol *map__find_symbol(struct map *self, u64 addr,
108 symbol_filter_t filter)
110 if (!dso__loaded(self->dso, self->type)) {
111 int nr = dso__load(self->dso, self, filter);
114 if (self->dso->has_build_id) {
115 char sbuild_id[BUILD_ID_SIZE * 2 + 1];
117 build_id__sprintf(self->dso->build_id,
118 sizeof(self->dso->build_id),
120 pr_warning("%s with build id %s not found",
121 self->dso->long_name, sbuild_id);
123 pr_warning("Failed to open %s",
124 self->dso->long_name);
125 pr_warning(", continuing without symbols\n");
127 } else if (nr == 0) {
128 const char *name = self->dso->long_name;
129 const size_t len = strlen(name);
130 const size_t real_len = len - sizeof(DSO__DELETED);
132 if (len > sizeof(DSO__DELETED) &&
133 strcmp(name + real_len + 1, DSO__DELETED) == 0) {
134 pr_warning("%.*s was updated, restart the long running apps that use it!\n",
135 (int)real_len, name);
137 pr_warning("no symbols found in %s, maybe install a debug package?\n", name);
143 return self->dso->find_symbol(self->dso, self->type, addr);
146 struct map *map__clone(struct map *self)
148 struct map *map = malloc(sizeof(*self));
153 memcpy(map, self, sizeof(*self));
158 int map__overlap(struct map *l, struct map *r)
160 if (l->start > r->start) {
166 if (l->end > r->start)
172 size_t map__fprintf(struct map *self, FILE *fp)
174 return fprintf(fp, " %Lx-%Lx %Lx %s\n",
175 self->start, self->end, self->pgoff, self->dso->name);