Initial checkin of GCC 4.9.0 from trunk (r208799).

Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba

1 files changed, 37 insertions, 0 deletions

diff --git a/gcc-4.9/libsanitizer/sanitizer_common/sanitizer_symbolizer_libcdep.cc b/gcc-4.9/libsanitizer/sanitizer_common/sanitizer_symbolizer_libcdep.cc
new file mode 100644
index 000000000..2d9caaf4e
--- /dev/null
+++ b/gcc-4.9/libsanitizer/sanitizer_common/sanitizer_symbolizer_libcdep.cc
@@ -0,0 +1,37 @@
+//===-- sanitizer_symbolizer_libcdep.cc -----------------------------------===//
+//
+// 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_internal_defs.h"
+#include "sanitizer_symbolizer.h"
+
+namespace __sanitizer {
+
+Symbolizer *Symbolizer::CreateAndStore(const char *path_to_external) {
+  Symbolizer *platform_symbolizer = PlatformInit(path_to_external);
+  if (!platform_symbolizer)
+    return Disable();
+  symbolizer_ = platform_symbolizer;
+  return platform_symbolizer;
+}
+
+Symbolizer *Symbolizer::Init(const char *path_to_external) {
+  CHECK_EQ(0, symbolizer_);
+  return CreateAndStore(path_to_external);
+}
+
+Symbolizer *Symbolizer::GetOrInit() {
+  SpinMutexLock l(&init_mu_);
+  if (symbolizer_ == 0)
+    return CreateAndStore(0);
+  return symbolizer_;
+}
+
+}  // namespace __sanitizer