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authorLinus Torvalds <torvalds@linux-foundation.org>2014-06-05 12:51:05 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2014-06-05 12:51:05 -0700
commit951e273060d15b233a7f7ccaf76ba682b5b05a03 (patch)
tree0d2b1f2addf519645484e893ebe03cd9f114499c /tools/perf/util/dwarf-aux.c
parent1c5aefb5b12a90e29866c960a57c1f8f75def617 (diff)
parent22c91aa23547a4363fd2a9ffddde95c899ac8aa0 (diff)
Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Ingo Molnar: "Two last minute tooling fixes" * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf probe: Fix perf probe to find correct variable DIE perf probe: Fix a segfault if asked for variable it doesn't find
Diffstat (limited to 'tools/perf/util/dwarf-aux.c')
-rw-r--r--tools/perf/util/dwarf-aux.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/tools/perf/util/dwarf-aux.c b/tools/perf/util/dwarf-aux.c
index 7defd77105d..cc66c4049e0 100644
--- a/tools/perf/util/dwarf-aux.c
+++ b/tools/perf/util/dwarf-aux.c
@@ -747,14 +747,17 @@ struct __find_variable_param {
static int __die_find_variable_cb(Dwarf_Die *die_mem, void *data)
{
struct __find_variable_param *fvp = data;
+ Dwarf_Attribute attr;
int tag;
tag = dwarf_tag(die_mem);
if ((tag == DW_TAG_formal_parameter ||
tag == DW_TAG_variable) &&
- die_compare_name(die_mem, fvp->name))
+ die_compare_name(die_mem, fvp->name) &&
+ /* Does the DIE have location information or external instance? */
+ (dwarf_attr(die_mem, DW_AT_external, &attr) ||
+ dwarf_attr(die_mem, DW_AT_location, &attr)))
return DIE_FIND_CB_END;
-
if (dwarf_haspc(die_mem, fvp->addr))
return DIE_FIND_CB_CONTINUE;
else