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authorArnaldo Carvalho de Melo <acme@redhat.com>2010-03-26 12:30:40 -0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2010-04-02 16:27:43 -0300
commit7e5e1b1404c30db5f6bc3f5203b6c21c1d244f99 (patch)
tree1203765ed3e60af2ba7682677ed2553c6226f058 /tools/perf/util/map.c
parentc6e718ff8cdcf5e7855077687720b37c4a07650a (diff)
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perf symbols: map_groups__find_symbol must return the map too
Tools need to know from which map in the map_group a symbol was resolved to, so that, for isntance, we can annotate kernel modules symbols by getting its precise name, etc. Also add the _by_name variants for completeness. Cc: Frédéric Weisbecker <fweisbec@gmail.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Paul Mackerras <paulus@samba.org> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/map.c')
-rw-r--r--tools/perf/util/map.c28
1 files changed, 27 insertions, 1 deletions
diff --git a/tools/perf/util/map.c b/tools/perf/util/map.c
index e21f9800173..37913b241bd 100644
--- a/tools/perf/util/map.c
+++ b/tools/perf/util/map.c
@@ -268,12 +268,38 @@ void map_groups__flush(struct map_groups *self)
struct symbol *map_groups__find_symbol(struct map_groups *self,
enum map_type type, u64 addr,
+ struct map **mapp,
symbol_filter_t filter)
{
struct map *map = map_groups__find(self, type, addr);
- if (map != NULL)
+ if (map != NULL) {
+ if (mapp != NULL)
+ *mapp = map;
return map__find_symbol(map, map->map_ip(map, addr), filter);
+ }
+
+ return NULL;
+}
+
+struct symbol *map_groups__find_symbol_by_name(struct map_groups *self,
+ enum map_type type,
+ const char *name,
+ struct map **mapp,
+ symbol_filter_t filter)
+{
+ struct rb_node *nd;
+
+ for (nd = rb_first(&self->maps[type]); nd; nd = rb_next(nd)) {
+ struct map *pos = rb_entry(nd, struct map, rb_node);
+ struct symbol *sym = map__find_symbol_by_name(pos, name, filter);
+
+ if (sym == NULL)
+ continue;
+ if (mapp != NULL)
+ *mapp = pos;
+ return sym;
+ }
return NULL;
}