Use PatchCache for call ICs.

src/ic.h

 // Copyright 2012 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 84 matching lines @@
   virtual ~IC() {}
 
   // Get the call-site target; used for determining the state.
   Handle<Code> target() const { return target_; }
   Code* raw_target() const { return GetTargetAtAddress(address()); }
 
   State state() const { return state_; }
   inline Address address() const;
 
   // Compute the current IC state based on the target stub, receiver and name.
-  void UpdateState(Object* receiver, Object* name);
+  void UpdateState(Handle<Object> receiver, Handle<Object> name);
   void MarkMonomorphicPrototypeFailure() {
     state_ = MONOMORPHIC_PROTOTYPE_FAILURE;
   }
 
   // Clear the inline cache to initial state.
   static void Clear(Isolate* isolate, Address address);
 
   // Computes the reloc info for this IC. This is a fairly expensive
   // operation as it has to search through the heap to find the code
   // object that contains this IC site.
@@ skipping 37 matching lines @@
   // containing break points (calls to DebugBreakXXX builtins).
   Address OriginalCodeAddress() const;
 #endif
 
   // Set the call-site target.
   void set_target(Code* code) { SetTargetAtAddress(address(), code); }
 
 #ifdef DEBUG
   char TransitionMarkFromState(IC::State state);
 
-  void TraceIC(const char* type,
-               Handle<Object> name,
-               Code* new_target);
+  void TraceIC(const char* type, Handle<Object> name);
 #endif
 
   Failure* TypeError(const char* type,
                      Handle<Object> object,
                      Handle<Object> key);
   Failure* ReferenceError(const char* type, Handle<String> name);
 
   // Access the target code for the given IC address.
   static inline Code* GetTargetAtAddress(Address address);
   static inline void SetTargetAtAddress(Address address, Code* target);
@@ skipping 15 matching lines @@
   virtual void UpdateMegamorphicCache(Map* map, Name* name, Code* code);
   virtual Handle<Code> megamorphic_stub() {
     UNREACHABLE();
     return Handle<Code>::null();
   }
   virtual Handle<Code> generic_stub() const {
     UNREACHABLE();
     return Handle<Code>::null();
   }
   virtual StrictModeFlag strict_mode() const { return kNonStrictMode; }
-  bool TryRemoveInvalidPrototypeDependentStub(Object* receiver, Object* name);
+  bool TryRemoveInvalidPrototypeDependentStub(Handle<Object> receiver,
+                                              Handle<String> name);
 
  private:
   // Frame pointer for the frame that uses (calls) the IC.
   Address fp_;
 
   // All access to the program counter of an IC structure is indirect
   // to make the code GC safe. This feature is crucial since
   // GetProperty and SetProperty are called and they in turn might
   // invoke the garbage collector.
   Address* pc_address_;
@@ skipping 34 matching lines @@
                                             Handle<String> name);
 
  protected:
   CallICBase(Code::Kind kind, Isolate* isolate)
       : IC(EXTRA_CALL_FRAME, isolate), kind_(kind) {}
 
   virtual Code::ExtraICState extra_ic_state() { return Code::kNoExtraICState; }
 
   // Compute a monomorphic stub if possible, otherwise return a null handle.
   Handle<Code> ComputeMonomorphicStub(LookupResult* lookup,
-                                      Code::ExtraICState extra_state,
                                       Handle<Object> object,
                                       Handle<String> name);
 
   // Update the inline cache and the global stub cache based on the lookup
   // result.
   void UpdateCaches(LookupResult* lookup,
                     Handle<Object> object,
                     Handle<String> name);
 
   // Returns a JSFunction if the object can be called as a function, and
@@ skipping 12 matching lines @@
                            IC::UtilityId id,
                            Code::ExtraICState extra_state);
 
   static void GenerateNormal(MacroAssembler* masm, int argc);
 
   static void GenerateMonomorphicCacheProbe(MacroAssembler* masm,
                                             int argc,
                                             Code::Kind kind,
                                             Code::ExtraICState extra_state);
 
+  virtual Handle<Code> megamorphic_stub();
+  virtual Handle<Code> pre_monomorphic_stub();
+
   Code::Kind kind_;
 
   friend class IC;
 };
 
 
 class CallIC: public CallICBase {
  public:
   explicit CallIC(Isolate* isolate)
       : CallICBase(Code::CALL_IC, isolate),
@@ skipping 558 matching lines @@
 DECLARE_RUNTIME_FUNCTION(MaybeObject*, UnaryOpIC_Miss);
 DECLARE_RUNTIME_FUNCTION(MaybeObject*, StoreIC_MissFromStubFailure);
 DECLARE_RUNTIME_FUNCTION(MaybeObject*, ElementsTransitionAndStoreIC_Miss);
 DECLARE_RUNTIME_FUNCTION(MaybeObject*, CompareNilIC_Miss);
 DECLARE_RUNTIME_FUNCTION(MaybeObject*, ToBooleanIC_Miss);
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_IC_H_