// Copyright 2011 the V8 project authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #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 CODE_AGE_LIST_WITH_ARG(V, A) \ V(Quadragenarian, A) \ V(Quinquagenarian, A) \ V(Sexagenarian, A) \ V(Septuagenarian, A) \ V(Octogenarian, A) #define CODE_AGE_LIST_IGNORE_ARG(X, V) V(X) #define CODE_AGE_LIST(V) \ CODE_AGE_LIST_WITH_ARG(CODE_AGE_LIST_IGNORE_ARG, V) #define CODE_AGE_LIST_COMPLETE(V) \ V(NotExecuted) \ V(ExecutedOnce) \ V(NoAge) \ CODE_AGE_LIST_WITH_ARG(CODE_AGE_LIST_IGNORE_ARG, V) #define DECLARE_CODE_AGE_BUILTIN(C, V) \ V(Make##C##CodeYoungAgainOddMarking, BUILTIN, \ UNINITIALIZED, kNoExtraICState) \ V(Make##C##CodeYoungAgainEvenMarking, BUILTIN, \ UNINITIALIZED, kNoExtraICState) // Define list of builtins implemented in C++. #define BUILTIN_LIST_C(V) \ V(Illegal, NO_EXTRA_ARGUMENTS) \ \ V(EmptyFunction, 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(HandleApiCallConstruct, NEEDS_CALLED_FUNCTION) \ V(HandleApiCallAsFunction, NO_EXTRA_ARGUMENTS) \ V(HandleApiCallAsConstructor, NO_EXTRA_ARGUMENTS) \ \ V(StrictModePoisonPill, NO_EXTRA_ARGUMENTS) \ V(GeneratorPoisonPill, NO_EXTRA_ARGUMENTS) // Define list of builtins implemented in assembly. #define BUILTIN_LIST_A(V) \ V(ArgumentsAdaptorTrampoline, BUILTIN, UNINITIALIZED, kNoExtraICState) \ V(InOptimizationQueue, BUILTIN, UNINITIALIZED, kNoExtraICState) \ V(JSConstructStubGeneric, BUILTIN, UNINITIALIZED, kNoExtraICState) \ V(JSConstructStubApi, BUILTIN, UNINITIALIZED, kNoExtraICState) \ V(JSEntryTrampoline, BUILTIN, UNINITIALIZED, kNoExtraICState) \ V(JSConstructEntryTrampoline, BUILTIN, UNINITIALIZED, kNoExtraICState) \ V(CompileLazy, BUILTIN, UNINITIALIZED, kNoExtraICState) \ V(CompileOptimized, BUILTIN, UNINITIALIZED, kNoExtraICState) \ V(CompileOptimizedConcurrent, BUILTIN, UNINITIALIZED, kNoExtraICState) \ V(NotifyDeoptimized, BUILTIN, UNINITIALIZED, kNoExtraICState) \ V(NotifySoftDeoptimized, BUILTIN, UNINITIALIZED, kNoExtraICState) \ V(NotifyLazyDeoptimized, BUILTIN, UNINITIALIZED, kNoExtraICState) \ V(NotifyStubFailure, BUILTIN, UNINITIALIZED, kNoExtraICState) \ V(NotifyStubFailureSaveDoubles, BUILTIN, UNINITIALIZED, kNoExtraICState) \ \ V(LoadIC_Miss, BUILTIN, UNINITIALIZED, kNoExtraICState) \ V(KeyedLoadIC_Miss, BUILTIN, UNINITIALIZED, kNoExtraICState) \ V(StoreIC_Miss, BUILTIN, UNINITIALIZED, kNoExtraICState) \ V(KeyedStoreIC_Miss, BUILTIN, UNINITIALIZED, kNoExtraICState) \ V(LoadIC_Getter_ForDeopt, LOAD_IC, MONOMORPHIC, kNoExtraICState) \ V(KeyedLoadIC_Initialize, KEYED_LOAD_IC, UNINITIALIZED, kNoExtraICState) \ V(KeyedLoadIC_PreMonomorphic, KEYED_LOAD_IC, PREMONOMORPHIC, \ kNoExtraICState) \ V(KeyedLoadIC_Generic, KEYED_LOAD_IC, GENERIC, kNoExtraICState) \ \ V(StoreIC_Setter_ForDeopt, STORE_IC, MONOMORPHIC, StoreIC::kStrictModeState) \ \ V(KeyedStoreIC_Initialize, KEYED_STORE_IC, UNINITIALIZED, kNoExtraICState) \ V(KeyedStoreIC_PreMonomorphic, KEYED_STORE_IC, PREMONOMORPHIC, \ kNoExtraICState) \ V(KeyedStoreIC_Megamorphic, KEYED_STORE_IC, MEGAMORPHIC, kNoExtraICState) \ \ V(KeyedStoreIC_Initialize_Strict, KEYED_STORE_IC, UNINITIALIZED, \ StoreIC::kStrictModeState) \ V(KeyedStoreIC_PreMonomorphic_Strict, KEYED_STORE_IC, PREMONOMORPHIC, \ StoreIC::kStrictModeState) \ V(KeyedStoreIC_Megamorphic_Strict, KEYED_STORE_IC, MEGAMORPHIC, \ StoreIC::kStrictModeState) \ V(KeyedStoreIC_SloppyArguments, KEYED_STORE_IC, MONOMORPHIC, \ kNoExtraICState) \ \ /* Uses KeyedLoadIC_Initialize; must be after in list. */ \ V(FunctionCall, BUILTIN, UNINITIALIZED, kNoExtraICState) \ V(FunctionApply, BUILTIN, UNINITIALIZED, kNoExtraICState) \ \ V(InternalArrayCode, BUILTIN, UNINITIALIZED, kNoExtraICState) \ V(ArrayCode, BUILTIN, UNINITIALIZED, kNoExtraICState) \ \ V(StringConstructCode, BUILTIN, UNINITIALIZED, kNoExtraICState) \ \ V(OnStackReplacement, BUILTIN, UNINITIALIZED, kNoExtraICState) \ V(InterruptCheck, BUILTIN, UNINITIALIZED, kNoExtraICState) \ V(OsrAfterStackCheck, BUILTIN, UNINITIALIZED, kNoExtraICState) \ V(StackCheck, BUILTIN, UNINITIALIZED, kNoExtraICState) \ \ V(MarkCodeAsExecutedOnce, BUILTIN, UNINITIALIZED, kNoExtraICState) \ V(MarkCodeAsExecutedTwice, BUILTIN, UNINITIALIZED, kNoExtraICState) \ CODE_AGE_LIST_WITH_ARG(DECLARE_CODE_AGE_BUILTIN, V) // Define list of builtin handlers implemented in assembly. #define BUILTIN_LIST_H(V) \ V(LoadIC_Slow, LOAD_IC) \ V(KeyedLoadIC_Slow, KEYED_LOAD_IC) \ V(StoreIC_Slow, STORE_IC) \ V(KeyedStoreIC_Slow, KEYED_STORE_IC) \ V(LoadIC_Normal, LOAD_IC) \ V(StoreIC_Normal, STORE_IC) // Define list of builtins used by the debugger implemented in assembly. #define BUILTIN_LIST_DEBUG_A(V) \ V(Return_DebugBreak, BUILTIN, DEBUG_STUB, \ DEBUG_BREAK) \ V(CallFunctionStub_DebugBreak, BUILTIN, DEBUG_STUB, \ DEBUG_BREAK) \ V(CallConstructStub_DebugBreak, BUILTIN, DEBUG_STUB, \ DEBUG_BREAK) \ V(CallConstructStub_Recording_DebugBreak, BUILTIN, DEBUG_STUB, \ DEBUG_BREAK) \ V(CallICStub_DebugBreak, CALL_IC, DEBUG_STUB, \ DEBUG_BREAK) \ V(LoadIC_DebugBreak, LOAD_IC, DEBUG_STUB, \ DEBUG_BREAK) \ V(KeyedLoadIC_DebugBreak, KEYED_LOAD_IC, DEBUG_STUB, \ DEBUG_BREAK) \ V(StoreIC_DebugBreak, STORE_IC, DEBUG_STUB, \ DEBUG_BREAK) \ V(KeyedStoreIC_DebugBreak, KEYED_STORE_IC, DEBUG_STUB, \ DEBUG_BREAK) \ V(CompareNilIC_DebugBreak, COMPARE_NIL_IC, DEBUG_STUB, \ DEBUG_BREAK) \ V(Slot_DebugBreak, BUILTIN, DEBUG_STUB, \ DEBUG_BREAK) \ V(PlainReturn_LiveEdit, BUILTIN, DEBUG_STUB, \ DEBUG_BREAK) \ V(FrameDropper_LiveEdit, BUILTIN, DEBUG_STUB, \ DEBUG_BREAK) // 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(SHL, 1) \ V(SAR, 1) \ V(SHR, 1) \ V(DELETE, 2) \ V(IN, 1) \ V(INSTANCE_OF, 1) \ V(FILTER_KEY, 1) \ V(CALL_NON_FUNCTION, 0) \ V(CALL_NON_FUNCTION_AS_CONSTRUCTOR, 0) \ V(CALL_FUNCTION_PROXY, 1) \ V(CALL_FUNCTION_PROXY_AS_CONSTRUCTOR, 1) \ V(TO_OBJECT, 0) \ V(TO_NUMBER, 0) \ V(TO_STRING, 0) \ V(TO_NAME, 0) \ V(STRING_ADD_LEFT, 1) \ V(STRING_ADD_RIGHT, 1) \ V(APPLY_PREPARE, 1) \ V(STACK_OVERFLOW, 1) class BuiltinFunctionTable; class ObjectVisitor; class Builtins { public: ~Builtins(); // Generate all builtin code objects. Should be called once during // isolate initialization. void SetUp(Isolate* isolate, bool create_heap_objects); void TearDown(); // Garbage collection support. void IterateBuiltins(ObjectVisitor* v); // Disassembler support. const char* Lookup(byte* pc); enum Name { #define DEF_ENUM_C(name, ignore) k##name, #define DEF_ENUM_A(name, kind, state, extra) k##name, #define DEF_ENUM_H(name, kind) k##name, BUILTIN_LIST_C(DEF_ENUM_C) BUILTIN_LIST_A(DEF_ENUM_A) BUILTIN_LIST_H(DEF_ENUM_H) 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 }; #define DECLARE_BUILTIN_ACCESSOR_C(name, ignore) Handle name(); #define DECLARE_BUILTIN_ACCESSOR_A(name, kind, state, extra) \ Handle name(); #define DECLARE_BUILTIN_ACCESSOR_H(name, kind) Handle name(); BUILTIN_LIST_C(DECLARE_BUILTIN_ACCESSOR_C) BUILTIN_LIST_A(DECLARE_BUILTIN_ACCESSOR_A) BUILTIN_LIST_H(DECLARE_BUILTIN_ACCESSOR_H) BUILTIN_LIST_DEBUG_A(DECLARE_BUILTIN_ACCESSOR_A) #undef DECLARE_BUILTIN_ACCESSOR_C #undef DECLARE_BUILTIN_ACCESSOR_A 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]); } 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]; } const char* name(int index) { DCHECK(index >= 0); DCHECK(index < builtin_count); return names_[index]; } static int GetArgumentsCount(JavaScript id) { return javascript_argc_[id]; } static int NumberOfJavaScriptBuiltins() { return id_count; } bool is_initialized() const { return initialized_; } MUST_USE_RESULT static MaybeHandle InvokeApiFunction( Handle function, Handle receiver, int argc, Handle args[]); private: Builtins(); // The external C++ functions called from the code. static Address const 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. Object* builtins_[builtin_count]; const char* names_[builtin_count]; static const char* const javascript_names_[id_count]; static int const javascript_argc_[id_count]; static void Generate_Adaptor(MacroAssembler* masm, CFunctionId id, BuiltinExtraArguments extra_args); static void Generate_CompileLazy(MacroAssembler* masm); static void Generate_InOptimizationQueue(MacroAssembler* masm); static void Generate_CompileOptimized(MacroAssembler* masm); static void Generate_CompileOptimizedConcurrent(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_NotifyDeoptimized(MacroAssembler* masm); static void Generate_NotifySoftDeoptimized(MacroAssembler* masm); static void Generate_NotifyLazyDeoptimized(MacroAssembler* masm); static void Generate_NotifyStubFailure(MacroAssembler* masm); static void Generate_NotifyStubFailureSaveDoubles(MacroAssembler* masm); static void Generate_ArgumentsAdaptorTrampoline(MacroAssembler* masm); static void Generate_FunctionCall(MacroAssembler* masm); static void Generate_FunctionApply(MacroAssembler* masm); static void Generate_InternalArrayCode(MacroAssembler* masm); static void Generate_ArrayCode(MacroAssembler* masm); static void Generate_StringConstructCode(MacroAssembler* masm); static void Generate_OnStackReplacement(MacroAssembler* masm); static void Generate_OsrAfterStackCheck(MacroAssembler* masm); static void Generate_InterruptCheck(MacroAssembler* masm); static void Generate_StackCheck(MacroAssembler* masm); #define DECLARE_CODE_AGE_BUILTIN_GENERATOR(C) \ static void Generate_Make##C##CodeYoungAgainEvenMarking( \ MacroAssembler* masm); \ static void Generate_Make##C##CodeYoungAgainOddMarking( \ MacroAssembler* masm); CODE_AGE_LIST(DECLARE_CODE_AGE_BUILTIN_GENERATOR) #undef DECLARE_CODE_AGE_BUILTIN_GENERATOR static void Generate_MarkCodeAsExecutedOnce(MacroAssembler* masm); static void Generate_MarkCodeAsExecutedTwice(MacroAssembler* masm); static void InitBuiltinFunctionTable(); bool initialized_; friend class BuiltinFunctionTable; friend class Isolate; DISALLOW_COPY_AND_ASSIGN(Builtins); }; } } // namespace v8::internal #endif // V8_BUILTINS_H_