perf symbols: Treat all memory maps without dso file as loaded (87ffef79) · Commits · 戴 / test

tools/perf/util/map.c

+18 −6

Original line number	Diff line number	Diff line
		@@ -18,6 +18,13 @@ static inline int is_anon_memory(const char *filename)
		return strcmp(filename, "//anon") == 0;
		}

		static inline int is_no_dso_memory(const char *filename)
		{
		return !strcmp(filename, "[stack]") \|\|
		!strcmp(filename, "[vdso]") \|\|
		!strcmp(filename, "[heap]");
		}

		void map__init(struct map *self, enum map_type type,
		u64 start, u64 end, u64 pgoff, struct dso *dso)
		{
		@@ -42,9 +49,10 @@ struct map map__new(struct list_head dsos__list, u64 start, u64 len,
		if (self != NULL) {
		char newfilename[PATH_MAX];
		struct dso *dso;
		int anon;
		int anon, no_dso;

		anon = is_anon_memory(filename);
		no_dso = is_no_dso_memory(filename);

		if (anon) {
		snprintf(newfilename, sizeof(newfilename), "/tmp/perf-%d.map", pid);
		@@ -57,12 +65,16 @@ struct map map__new(struct list_head dsos__list, u64 start, u64 len,

		map__init(self, type, start, start + len, pgoff, dso);

		if (anon) {
		set_identity:
		if (anon \|\| no_dso) {
		self->map_ip = self->unmap_ip = identity__map_ip;
		} else if (strcmp(filename, "[vdso]") == 0) {

		/*
		* Set memory without DSO as loaded. All map__find_*
		* functions still return NULL, and we avoid the
		* unnecessary map__load warning.
		*/
		if (no_dso)
		dso__set_loaded(dso, self->type);
		goto set_identity;
		}
		}
		return self;