Messages in this thread Patch in this message | | | From | Adrian Hunter <> | Subject | [PATCH V6 3/8] perf tools: add map__find_other_map_symbol() | Date | Wed, 9 Oct 2013 15:01:13 +0300 |
| |
Add a function to find a symbol using an ip that might be on a different map.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> --- tools/perf/util/map.c | 27 +++++++++++++++++++++++++++ tools/perf/util/map.h | 2 ++ 2 files changed, 29 insertions(+)
diff --git a/tools/perf/util/map.c b/tools/perf/util/map.c index 4f6680d..beedeef 100644 --- a/tools/perf/util/map.c +++ b/tools/perf/util/map.c @@ -213,6 +213,33 @@ struct symbol *map__find_symbol_by_name(struct map *map, const char *name, return dso__find_symbol_by_name(map->dso, map->type, name); } +struct symbol *map__find_other_map_symbol(struct map **map_ptr, u64 *ip_ptr, + symbol_filter_t filter) +{ + struct map *map = *map_ptr; + u64 ip = *ip_ptr; + struct map *sym_map = NULL; + struct symbol *sym; + + if (ip >= map->start && ip <= map->end) + sym_map = map; + else if (map->groups) + sym_map = map_groups__find(map->groups, map->type, ip); + + if (!sym_map) + return NULL; + + ip = sym_map->map_ip(sym_map, ip); + + sym = map__find_symbol(sym_map, ip, filter); + if (sym) { + *map_ptr = sym_map; + *ip_ptr = ip; + } + + return sym; +} + struct map *map__clone(struct map *map) { return memdup(map, sizeof(*map)); diff --git a/tools/perf/util/map.h b/tools/perf/util/map.h index 4886ca2..b7b494c 100644 --- a/tools/perf/util/map.h +++ b/tools/perf/util/map.h @@ -106,6 +106,8 @@ struct symbol *map__find_symbol(struct map *map, u64 addr, symbol_filter_t filter); struct symbol *map__find_symbol_by_name(struct map *map, const char *name, symbol_filter_t filter); +struct symbol *map__find_other_map_symbol(struct map **map_ptr, u64 *ip_ptr, + symbol_filter_t filter); void map__fixup_start(struct map *map); void map__fixup_end(struct map *map); -- 1.7.11.7
| |