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authorJiri Olsa <jolsa@kernel.org>2016-01-07 12:14:00 +0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2016-01-08 20:16:12 +0300
commitf22ed827a8d5ff5a85e7c8e865baaaaf71a8d0cc (patch)
treed5f7e49174f37666aa8c6b0f9e623694e615a457 /tools
parentd2190a8091124f832c8862ace3a3d7d70a2506a5 (diff)
downloadlinux-f22ed827a8d5ff5a85e7c8e865baaaaf71a8d0cc.tar.xz
perf unwind: Use find_map function in access_dso_mem
The find_map helper is already there, so let's use it. Also we're going to introduce wider search in following patch, so it'll be easier to make this change on single place. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Tested-by: Noel Grandin <noelgrandin@gmail.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1452158050-28061-4-git-send-email-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools')
-rw-r--r--tools/perf/util/unwind-libunwind.c11
1 files changed, 5 insertions, 6 deletions
diff --git a/tools/perf/util/unwind-libunwind.c b/tools/perf/util/unwind-libunwind.c
index 3c258a0e4092..f37859c04317 100644
--- a/tools/perf/util/unwind-libunwind.c
+++ b/tools/perf/util/unwind-libunwind.c
@@ -416,20 +416,19 @@ get_proc_name(unw_addr_space_t __maybe_unused as,
static int access_dso_mem(struct unwind_info *ui, unw_word_t addr,
unw_word_t *data)
{
- struct addr_location al;
+ struct map *map;
ssize_t size;
- thread__find_addr_map(ui->thread, PERF_RECORD_MISC_USER,
- MAP__FUNCTION, addr, &al);
- if (!al.map) {
+ map = find_map(addr, ui);
+ if (!map) {
pr_debug("unwind: no map for %lx\n", (unsigned long)addr);
return -1;
}
- if (!al.map->dso)
+ if (!map->dso)
return -1;
- size = dso__data_read_addr(al.map->dso, al.map, ui->machine,
+ size = dso__data_read_addr(map->dso, map, ui->machine,
addr, (u8 *) data, sizeof(*data));
return !(size == sizeof(*data));