stub fast api calls

src/code-stubs.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 78 matching lines @@
   V(NameDictionaryLookup)                \
   V(ElementsTransitionAndStore)          \
   V(TransitionElementsKind)              \
   V(StoreArrayLiteralElement)            \
   V(StubFailureTrampoline)               \
   V(StubFailureTailCallTrampoline)       \
   V(ArrayConstructor)                    \
   V(InternalArrayConstructor)            \
   V(ProfileEntryHook)                    \
   V(StoreGlobal)                         \
+  V(CallApiFunction)                     \
   /* IC Handler stubs */                 \
   V(LoadField)                           \
   V(KeyedLoadField)                      \
   V(KeyedArrayCall)
 
 // List of code stubs only used on ARM platforms.
 #if V8_TARGET_ARCH_ARM
 #define CODE_STUB_LIST_ARM(V)  \
   V(GetProperty)               \
   V(SetProperty)               \
@@ skipping 919 matching lines @@
 
   class IsConstantBits: public BitField<bool, 0, 1> {};
   class RepresentationBits: public BitField<Representation::Kind, 1, 8> {};
 
   int bit_field_;
 
   DISALLOW_COPY_AND_ASSIGN(StoreGlobalStub);
 };
 
 
+class CallApiFunctionStub : public PlatformCodeStub {
+ public:
+  CallApiFunctionStub(bool restore_context,
+                      bool call_data_undefined,
+                      int argc) {
+    bit_field_ =
+        RestoreContextBits::encode(restore_context) |
+        CallDataUndefinedBits::encode(call_data_undefined) |
+        ArgumentBits::encode(argc);
+  }
+
+ private:
+  virtual void Generate(MacroAssembler* masm) V8_OVERRIDE;
+  virtual Major MajorKey() V8_OVERRIDE { return CallApiFunction; }
+  virtual int MinorKey() V8_OVERRIDE { return bit_field_; }
+
+  class RestoreContextBits: public BitField<bool, 0, 1> {};
+  class CallDataUndefinedBits: public BitField<bool, 1, 1> {};
+  class ArgumentBits: public BitField<int, 2, Code::kArgumentsBits> {};
+
+  int bit_field_;
+
+  DISALLOW_COPY_AND_ASSIGN(CallApiFunctionStub);
+};
+
+
 class KeyedLoadFieldStub: public LoadFieldStub {
  public:
   KeyedLoadFieldStub(bool inobject, int index, Representation representation)
       : LoadFieldStub() {
     Initialize(Code::KEYED_LOAD_IC, inobject, index, representation);
   }
 
   virtual void InitializeInterfaceDescriptor(
       Isolate* isolate,
       CodeStubInterfaceDescriptor* descriptor);
@@ skipping 1451 matching lines @@
 
 
 class CallDescriptors {
  public:
   static void InitializeForIsolate(Isolate* isolate);
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_CODE_STUBS_H_