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27 
28 #ifndef V8_TEST_CCTEST_TRACE_EXTENSION_H_
29 #define V8_TEST_CCTEST_TRACE_EXTENSION_H_
30 
31 #include "src/v8.h"
32 
33 namespace v8 {
34 namespace internal {
35 
36 struct TickSample;
37 
38 class TraceExtension : public v8::Extension {
39  public:
TraceExtension()40   TraceExtension() : v8::Extension("v8/trace", kSource) { }
41   virtual v8::Local<v8::FunctionTemplate> GetNativeFunctionTemplate(
42       v8::Isolate* isolate, v8::Local<v8::String> name);
43   static void Trace(const v8::FunctionCallbackInfo<v8::Value>& args);
44   static void JSTrace(const v8::FunctionCallbackInfo<v8::Value>& args);
45   static void JSEntrySP(const v8::FunctionCallbackInfo<v8::Value>& args);
46   static void JSEntrySPLevel2(const v8::FunctionCallbackInfo<v8::Value>& args);
47   static Address GetJsEntrySp();
48   static void InitTraceEnv(TickSample* sample);
49   static void DoTrace(Address fp);
50  private:
51   static Address GetFP(const v8::FunctionCallbackInfo<v8::Value>& args);
52   static const char* kSource;
53 };
54 
55 }  // namespace internal
56 }  // namespace v8
57 
58 #endif
59