vendor/compiler-rt/compiler-rt-r197381

1 files changed, 28 insertions, 0 deletions

diff --git a/lib/sanitizer_common/sanitizer_stacktrace_libcdep.cc b/lib/sanitizer_common/sanitizer_stacktrace_libcdep.cc
new file mode 100644
index 000000000000..58fa18251ecf
--- /dev/null
+++ b/lib/sanitizer_common/sanitizer_stacktrace_libcdep.cc
@@ -0,0 +1,28 @@
+//===-- sanitizer_stacktrace_libcdep.cc -----------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file is shared between AddressSanitizer and ThreadSanitizer
+// run-time libraries.
+//===----------------------------------------------------------------------===//
+
+#include "sanitizer_stacktrace.h"
+
+namespace __sanitizer {
+
+void StackTrace::Unwind(uptr max_depth, uptr pc, uptr bp, uptr stack_top,
+                        uptr stack_bottom, bool request_fast_unwind) {
+  if (!WillUseFastUnwind(request_fast_unwind))
+    SlowUnwindStack(pc, max_depth);
+  else
+    FastUnwindStack(pc, bp, stack_top, stack_bottom, max_depth);
+
+  top_frame_bp = size ? bp : 0;
+}
+
+}  // namespace __sanitizer