[asan] pop the two internal functions from the stack trace produced by _Unwind_Backtr...

llvm-svn: 168369

diff --git a/compiler-rt/lib/asan/asan_linux.cc b/compiler-rt/lib/asan/asan_linux.cc
index 740bf5e..2e6934e 100644 (file)
--- a/compiler-rt/lib/asan/asan_linux.cc
+++ b/compiler-rt/lib/asan/asan_linux.cc
@@ -160,6 +160,8 @@ void GetStackTrace(StackTrace *stack, uptr max_s, uptr pc, uptr bp) {
     stack->max_size = max_s;
 #if defined(__arm__) || defined(__powerpc__) || defined(__powerpc64__)
     _Unwind_Backtrace(Unwind_Trace, stack);
+    // Pop off the two ASAN functions from the backtrace.
+    stack->PopStackFrames(2);
 #else
     if (!asan_inited) return;
     if (AsanThread *t = asanThreadRegistry().GetCurrent())