CPU Profiler: postpone moved functions registration until GC completes.

src/cpu-profiler.h

 // Copyright 2010 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 147 matching lines @@
   void CodeDeleteEvent(Address from);
   void FunctionCreateEvent(Address alias, Address start, int security_token_id);
   void FunctionMoveEvent(Address from, Address to);
   void FunctionDeleteEvent(Address from);
   void RegExpCodeCreateEvent(Logger::LogEventsAndTags tag,
                              const char* prefix, String* name,
                              Address start, unsigned size);
   // Puts current stack into tick sample events buffer.
   void AddCurrentStack();
   bool IsKnownFunction(Address start);
+  void RegisterMovedFunctions();
+  void RememberMovedFunction(JSFunction* function);
 
   // Tick sample events are filled directly in the buffer of the circular
   // queue (because the structure is of fixed width, but usually not all
   // stack frame entries are filled.) This method returns a pointer to the
   // next record of the buffer.
   INLINE(TickSample* TickSampleEvent());
 
  private:
   union CodeEventsContainer {
     CodeEventRecord generic;
@@ skipping 17 matching lines @@
 
   ProfileGenerator* generator_;
   bool running_;
   UnboundQueue<CodeEventsContainer> events_buffer_;
   SamplingCircularQueue ticks_buffer_;
   UnboundQueue<TickSampleEventRecord> ticks_from_vm_buffer_;
   unsigned enqueue_order_;
 
   // Used from the VM thread.
   HashMap* known_functions_;
+  List<JSFunction*> moved_functions_;
 };
 
 } }  // namespace v8::internal
 
 
 #define PROFILE(Call)                                  \
   LOG(Call);                                           \
   do {                                                 \
     if (v8::internal::CpuProfiler::is_profiling()) {   \
       v8::internal::CpuProfiler::Call;                 \
@@ skipping 35 matching lines @@
                               Code* code, String* name,
                               String* source, int line);
   static void CodeCreateEvent(Logger::LogEventsAndTags tag,
                               Code* code, int args_count);
   static void CodeMovingGCEvent() {}
   static void CodeMoveEvent(Address from, Address to);
   static void CodeDeleteEvent(Address from);
   static void FunctionCreateEvent(JSFunction* function);
   // Reports function creation in case we had missed it (e.g.
   // if it was created from compiled code).
-  static void FunctionCreateEventFromMove(JSFunction* function,
-                                          HeapObject* source);
+  static void FunctionCreateEventFromMove(JSFunction* function);
   static void FunctionMoveEvent(Address from, Address to);
   static void FunctionDeleteEvent(Address from);
   static void GetterCallbackEvent(String* name, Address entry_point);
   static void RegExpCodeCreateEvent(Code* code, String* source);
+  static void RegisterMovedFunctions();
   static void SetterCallbackEvent(String* name, Address entry_point);
 
   static INLINE(bool is_profiling()) {
     return singleton_ != NULL && singleton_->processor_ != NULL;
   }
 
  private:
   CpuProfiler();
   ~CpuProfiler();
   void StartCollectingProfile(const char* title);
@@ skipping 17 matching lines @@
 #endif  // ENABLE_LOGGING_AND_PROFILING
 
  private:
   DISALLOW_COPY_AND_ASSIGN(CpuProfiler);
 };
 
 } }  // namespace v8::internal
 
 
 #endif  // V8_CPU_PROFILER_H_