// Copyright 2006-2008 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 // with the distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived // from this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. #ifndef V8_BUILTINS_H_ #define V8_BUILTINS_H_ namespace v8 { namespace internal { // Specifies extra arguments required by a C++ builtin. enum BuiltinExtraArguments { NO_EXTRA_ARGUMENTS = 0, NEEDS_CALLED_FUNCTION = 1 }; // Define list of builtins implemented in C++. #define BUILTIN_LIST_C(V) \ V(Illegal, NO_EXTRA_ARGUMENTS) \ \ V(EmptyFunction, NO_EXTRA_ARGUMENTS) \ \ V(ArrayCodeGeneric, NO_EXTRA_ARGUMENTS) \ \ V(ArrayPush, NO_EXTRA_ARGUMENTS) \ V(ArrayPop, NO_EXTRA_ARGUMENTS) \ V(ArrayShift, NO_EXTRA_ARGUMENTS) \ V(ArrayUnshift, NO_EXTRA_ARGUMENTS) \ V(ArraySlice, NO_EXTRA_ARGUMENTS) \ V(ArraySplice, NO_EXTRA_ARGUMENTS) \ V(ArrayConcat, NO_EXTRA_ARGUMENTS) \ \ V(HandleApiCall, NEEDS_CALLED_FUNCTION) \ V(FastHandleApiCall, NO_EXTRA_ARGUMENTS) \ V(HandleApiCallConstruct, NEEDS_CALLED_FUNCTION) \ V(HandleApiCallAsFunction, NO_EXTRA_ARGUMENTS) \ V(HandleApiCallAsConstructor, NO_EXTRA_ARGUMENTS) // Define list of builtins implemented in assembly. #define BUILTIN_LIST_A(V) \ V(ArgumentsAdaptorTrampoline, BUILTIN, UNINITIALIZED) \ V(JSConstructCall, BUILTIN, UNINITIALIZED) \ V(JSConstructStubCountdown, BUILTIN, UNINITIALIZED) \ V(JSConstructStubGeneric, BUILTIN, UNINITIALIZED) \ V(JSConstructStubApi, BUILTIN, UNINITIALIZED) \ V(JSEntryTrampoline, BUILTIN, UNINITIALIZED) \ V(JSConstructEntryTrampoline, BUILTIN, UNINITIALIZED) \ V(LazyCompile, BUILTIN, UNINITIALIZED) \ \ V(LoadIC_Miss, BUILTIN, UNINITIALIZED) \ V(KeyedLoadIC_Miss, BUILTIN, UNINITIALIZED) \ V(StoreIC_Miss, BUILTIN, UNINITIALIZED) \ V(KeyedStoreIC_Miss, BUILTIN, UNINITIALIZED) \ \ V(LoadIC_Initialize, LOAD_IC, UNINITIALIZED) \ V(LoadIC_PreMonomorphic, LOAD_IC, PREMONOMORPHIC) \ V(LoadIC_Normal, LOAD_IC, MONOMORPHIC) \ V(LoadIC_ArrayLength, LOAD_IC, MONOMORPHIC) \ V(LoadIC_StringLength, LOAD_IC, MONOMORPHIC) \ V(LoadIC_FunctionPrototype, LOAD_IC, MONOMORPHIC) \ V(LoadIC_Megamorphic, LOAD_IC, MEGAMORPHIC) \ \ V(KeyedLoadIC_Initialize, KEYED_LOAD_IC, UNINITIALIZED) \ V(KeyedLoadIC_PreMonomorphic, KEYED_LOAD_IC, PREMONOMORPHIC) \ V(KeyedLoadIC_Generic, KEYED_LOAD_IC, MEGAMORPHIC) \ V(KeyedLoadIC_String, KEYED_LOAD_IC, MEGAMORPHIC) \ V(KeyedLoadIC_ExternalByteArray, KEYED_LOAD_IC, MEGAMORPHIC) \ V(KeyedLoadIC_ExternalUnsignedByteArray, KEYED_LOAD_IC, MEGAMORPHIC) \ V(KeyedLoadIC_ExternalShortArray, KEYED_LOAD_IC, MEGAMORPHIC) \ V(KeyedLoadIC_ExternalUnsignedShortArray, KEYED_LOAD_IC, MEGAMORPHIC) \ V(KeyedLoadIC_ExternalIntArray, KEYED_LOAD_IC, MEGAMORPHIC) \ V(KeyedLoadIC_ExternalUnsignedIntArray, KEYED_LOAD_IC, MEGAMORPHIC) \ V(KeyedLoadIC_ExternalFloatArray, KEYED_LOAD_IC, MEGAMORPHIC) \ V(KeyedLoadIC_IndexedInterceptor, KEYED_LOAD_IC, MEGAMORPHIC) \ \ V(StoreIC_Initialize, STORE_IC, UNINITIALIZED) \ V(StoreIC_ArrayLength, STORE_IC, MONOMORPHIC) \ V(StoreIC_Normal, STORE_IC, MONOMORPHIC) \ V(StoreIC_Megamorphic, STORE_IC, MEGAMORPHIC) \ \ V(KeyedStoreIC_Initialize, KEYED_STORE_IC, UNINITIALIZED) \ V(KeyedStoreIC_Generic, KEYED_STORE_IC, MEGAMORPHIC) \ V(KeyedStoreIC_ExternalByteArray, KEYED_STORE_IC, MEGAMORPHIC) \ V(KeyedStoreIC_ExternalUnsignedByteArray, KEYED_STORE_IC, MEGAMORPHIC) \ V(KeyedStoreIC_ExternalShortArray, KEYED_STORE_IC, MEGAMORPHIC) \ V(KeyedStoreIC_ExternalUnsignedShortArray, KEYED_STORE_IC, MEGAMORPHIC) \ V(KeyedStoreIC_ExternalIntArray, KEYED_STORE_IC, MEGAMORPHIC) \ V(KeyedStoreIC_ExternalUnsignedIntArray, KEYED_STORE_IC, MEGAMORPHIC) \ V(KeyedStoreIC_ExternalFloatArray, KEYED_STORE_IC, MEGAMORPHIC) \ \ /* Uses KeyedLoadIC_Initialize; must be after in list. */ \ V(FunctionCall, BUILTIN, UNINITIALIZED) \ V(FunctionApply, BUILTIN, UNINITIALIZED) \ \ V(ArrayCode, BUILTIN, UNINITIALIZED) \ V(ArrayConstructCode, BUILTIN, UNINITIALIZED) \ \ V(StringConstructCode, BUILTIN, UNINITIALIZED) #ifdef ENABLE_DEBUGGER_SUPPORT // Define list of builtins used by the debugger implemented in assembly. #define BUILTIN_LIST_DEBUG_A(V) \ V(Return_DebugBreak, BUILTIN, DEBUG_BREAK) \ V(ConstructCall_DebugBreak, BUILTIN, DEBUG_BREAK) \ V(StubNoRegisters_DebugBreak, BUILTIN, DEBUG_BREAK) \ V(LoadIC_DebugBreak, LOAD_IC, DEBUG_BREAK) \ V(KeyedLoadIC_DebugBreak, KEYED_LOAD_IC, DEBUG_BREAK) \ V(StoreIC_DebugBreak, STORE_IC, DEBUG_BREAK) \ V(KeyedStoreIC_DebugBreak, KEYED_STORE_IC, DEBUG_BREAK) \ V(Slot_DebugBreak, BUILTIN, DEBUG_BREAK) \ V(PlainReturn_LiveEdit, BUILTIN, DEBUG_BREAK) \ V(FrameDropper_LiveEdit, BUILTIN, DEBUG_BREAK) #else #define BUILTIN_LIST_DEBUG_A(V) #endif // Define list of builtins implemented in JavaScript. #define BUILTINS_LIST_JS(V) \ V(EQUALS, 1) \ V(STRICT_EQUALS, 1) \ V(COMPARE, 2) \ V(ADD, 1) \ V(SUB, 1) \ V(MUL, 1) \ V(DIV, 1) \ V(MOD, 1) \ V(BIT_OR, 1) \ V(BIT_AND, 1) \ V(BIT_XOR, 1) \ V(UNARY_MINUS, 0) \ V(BIT_NOT, 0) \ V(SHL, 1) \ V(SAR, 1) \ V(SHR, 1) \ V(DELETE, 1) \ V(IN, 1) \ V(INSTANCE_OF, 1) \ V(GET_KEYS, 0) \ V(FILTER_KEY, 1) \ V(CALL_NON_FUNCTION, 0) \ V(CALL_NON_FUNCTION_AS_CONSTRUCTOR, 0) \ V(TO_OBJECT, 0) \ V(TO_NUMBER, 0) \ V(TO_STRING, 0) \ V(STRING_ADD_LEFT, 1) \ V(STRING_ADD_RIGHT, 1) \ V(APPLY_PREPARE, 1) \ V(APPLY_OVERFLOW, 1) class ObjectVisitor; class Builtins : public AllStatic { public: // Generate all builtin code objects. Should be called once during // VM initialization. static void Setup(bool create_heap_objects); static void TearDown(); // Garbage collection support. static void IterateBuiltins(ObjectVisitor* v); // Disassembler support. static const char* Lookup(byte* pc); enum Name { #define DEF_ENUM_C(name, ignore) name, #define DEF_ENUM_A(name, kind, state) name, BUILTIN_LIST_C(DEF_ENUM_C) BUILTIN_LIST_A(DEF_ENUM_A) BUILTIN_LIST_DEBUG_A(DEF_ENUM_A) #undef DEF_ENUM_C #undef DEF_ENUM_A builtin_count }; enum CFunctionId { #define DEF_ENUM_C(name, ignore) c_##name, BUILTIN_LIST_C(DEF_ENUM_C) #undef DEF_ENUM_C cfunction_count }; enum JavaScript { #define DEF_ENUM(name, ignore) name, BUILTINS_LIST_JS(DEF_ENUM) #undef DEF_ENUM id_count }; static Code* builtin(Name name) { // Code::cast cannot be used here since we access builtins // during the marking phase of mark sweep. See IC::Clear. return reinterpret_cast(builtins_[name]); } static Address builtin_address(Name name) { return reinterpret_cast
(&builtins_[name]); } static Address c_function_address(CFunctionId id) { return c_functions_[id]; } static const char* GetName(JavaScript id) { return javascript_names_[id]; } static int GetArgumentsCount(JavaScript id) { return javascript_argc_[id]; } static Handle GetCode(JavaScript id, bool* resolved); static int NumberOfJavaScriptBuiltins() { return id_count; } private: // The external C++ functions called from the code. static Address c_functions_[cfunction_count]; // Note: These are always Code objects, but to conform with // IterateBuiltins() above which assumes Object**'s for the callback // function f, we use an Object* array here. static Object* builtins_[builtin_count]; static const char* names_[builtin_count]; static const char* javascript_names_[id_count]; static int javascript_argc_[id_count]; static void Generate_Adaptor(MacroAssembler* masm, CFunctionId id, BuiltinExtraArguments extra_args); static void Generate_JSConstructCall(MacroAssembler* masm); static void Generate_JSConstructStubCountdown(MacroAssembler* masm); static void Generate_JSConstructStubGeneric(MacroAssembler* masm); static void Generate_JSConstructStubApi(MacroAssembler* masm); static void Generate_JSEntryTrampoline(MacroAssembler* masm); static void Generate_JSConstructEntryTrampoline(MacroAssembler* masm); static void Generate_LazyCompile(MacroAssembler* masm); static void Generate_ArgumentsAdaptorTrampoline(MacroAssembler* masm); static void Generate_FunctionCall(MacroAssembler* masm); static void Generate_FunctionApply(MacroAssembler* masm); static void Generate_ArrayCode(MacroAssembler* masm); static void Generate_ArrayConstructCode(MacroAssembler* masm); static void Generate_StringConstructCode(MacroAssembler* masm); }; } } // namespace v8::internal #endif // V8_BUILTINS_H_