Sampling profiler

runtime/vm/native_symbol.h

Index: runtime/vm/native_symbol.h
diff --git a/runtime/vm/native_symbol.h b/runtime/vm/native_symbol.h
new file mode 100644
index 0000000000000000000000000000000000000000..b2910247300bdbfc649ee303b2d1704a2c64fe57
--- /dev/null
+++ b/runtime/vm/native_symbol.h
@@ -0,0 +1,29 @@
+// Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+#ifndef VM_NATIVE_SYMBOL_H_
+#define VM_NATIVE_SYMBOL_H_
+
+#include "vm/allocation.h"
+#include "vm/globals.h"
+
+namespace dart {
+
+class Mutex;
+
+class NativeSymbolResolver : public AllStatic {
+ public:
+  static void InitOnce();
+  static void ShutdownOnce();
+  static const char* LookupSymbolName(uintptr_t pc);
+  static void FreeSymbolName(const char* name);
+ private:
+  static bool running_;
+  static Mutex* lock_;
+};
+
+
+}  // namespace dart
+
+#endif  // VM_NATIVE_SYMBOL_H_