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#ifndef V8_TEST_CCTEST_TRACE_EXTENSION_H_
#define V8_TEST_CCTEST_TRACE_EXTENSION_H_

#include "include/v8.h"
#include "src/globals.h"

namespace v8 {
struct TickSample;
namespace internal {

class TraceExtension : public v8::Extension {
 public:
  TraceExtension() : v8::Extension("v8/trace", kSource) { }
  virtual v8::Local<v8::FunctionTemplate> GetNativeFunctionTemplate(
      v8::Isolate* isolate, v8::Local<v8::String> name);
  static void Trace(const v8::FunctionCallbackInfo<v8::Value>& args);
  static void JSTrace(const v8::FunctionCallbackInfo<v8::Value>& args);
  static void JSEntrySP(const v8::FunctionCallbackInfo<v8::Value>& args);
  static void JSEntrySPLevel2(const v8::FunctionCallbackInfo<v8::Value>& args);
  static Address GetJsEntrySp();
  static void InitTraceEnv(v8::TickSample* sample);
  static void DoTrace(Address fp);
 private:
  static Address GetFP(const v8::FunctionCallbackInfo<v8::Value>& args);
  static const char* kSource;
};

}  // namespace internal
}  // namespace v8

#endif