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authorArnaldo Carvalho de Melo <acme@redhat.com>2013-10-14 13:43:38 +0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2013-10-14 10:29:02 -0300
commit4e987712740a3634c19a6fedaf12577b26775dc5 (patch)
tree4ae0dfe2471d60b608b5fc9cd049f35f6f17de47 /tools/perf
parentafba19d9dc8eba66ea26901708cf99354c637786 (diff)
perf symbols: Add map_groups__find_ams()
Add a function to find a symbol using an ip that might be on a different map. Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Namhyung Kim <namhyung@gmail.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/r/1381747424-3557-2-git-send-email-adrian.hunter@intel.com Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf')
-rw-r--r--tools/perf/util/map.c17
-rw-r--r--tools/perf/util/map.h4
2 files changed, 21 insertions, 0 deletions
diff --git a/tools/perf/util/map.c b/tools/perf/util/map.c
index 17ee458a0870..9dea404de3fa 100644
--- a/tools/perf/util/map.c
+++ b/tools/perf/util/map.c
@@ -371,6 +371,23 @@ struct symbol *map_groups__find_symbol_by_name(struct map_groups *mg,
return NULL;
}
+int map_groups__find_ams(struct addr_map_symbol *ams, symbol_filter_t filter)
+{
+ if (ams->addr < ams->map->start || ams->addr > ams->map->end) {
+ if (ams->map->groups == NULL)
+ return -1;
+ ams->map = map_groups__find(ams->map->groups, ams->map->type,
+ ams->addr);
+ if (ams->map == NULL)
+ return -1;
+ }
+
+ ams->al_addr = ams->map->map_ip(ams->map, ams->addr);
+ ams->sym = map__find_symbol(ams->map, ams->al_addr, filter);
+
+ return ams->sym ? 0 : -1;
+}
+
size_t __map_groups__fprintf_maps(struct map_groups *mg,
enum map_type type, int verbose, FILE *fp)
{
diff --git a/tools/perf/util/map.h b/tools/perf/util/map.h
index 4886ca280536..0359b4a808f0 100644
--- a/tools/perf/util/map.h
+++ b/tools/perf/util/map.h
@@ -167,6 +167,10 @@ struct symbol *map_groups__find_symbol_by_name(struct map_groups *mg,
struct map **mapp,
symbol_filter_t filter);
+struct addr_map_symbol;
+
+int map_groups__find_ams(struct addr_map_symbol *ams, symbol_filter_t filter);
+
static inline
struct symbol *map_groups__find_function_by_name(struct map_groups *mg,
const char *name, struct map **mapp,