1 files changed, 19 insertions, 0 deletions

diff --git a/tools/perf/util/map.c b/tools/perf/util/map.c
index cc33486ad9e..115654c469c 100644
--- a/tools/perf/util/map.c
+++ b/tools/perf/util/map.c
@@ -86,6 +86,25 @@ out_delete:
         return NULL;
 }
 
+/*
+ * Constructor variant for modules (where we know from /proc/modules where
+ * they are loaded) and for vmlinux, where only after we load all the
+ * symbols we'll know where it starts and ends.
+ */
+struct map *map__new2(u64 start, struct dso *dso, enum map_type type)
+{
+        struct map *map = calloc(1, (sizeof(*map) +
+                                     (dso->kernel ? sizeof(struct kmap) : 0)));
+        if (map != NULL) {
+                /*
+                 * ->end will be filled after we load all the symbols
+                 */
+                map__init(map, type, start, 0, 0, dso);
+        }
+
+        return map;
+}
+
 void map__delete(struct map *self)
 {
         free(self);