// Copyright 2012 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_RUNTIME_RUNTIME_H_ #define V8_RUNTIME_RUNTIME_H_ #include "src/allocation.h" #include "src/objects.h" #include "src/zone.h" namespace v8 { namespace internal { // * Each intrinsic is consistently exposed in JavaScript via 2 names: // * %#name, which is always a runtime call. // * %_#name, which can be inlined or just a runtime call, the compiler in // question decides. // // * IntrinsicTypes are Runtime::RUNTIME and Runtime::INLINE, respectively. // // * IDs are Runtime::k##name and Runtime::kInline##name, respectively. // // * All intrinsics have a C++ implementation Runtime_##name. // // * Each compiler has an explicit list of intrisics it supports, falling back // to a simple runtime call if necessary. // Entries have the form F(name, number of arguments, number of values): #define FOR_EACH_INTRINSIC_ARRAY(F) \ F(FinishArrayPrototypeSetup, 1, 1) \ F(SpecialArrayFunctions, 0, 1) \ F(TransitionElementsKind, 2, 1) \ F(PushIfAbsent, 2, 1) \ F(ArrayConcat, 1, 1) \ F(RemoveArrayHoles, 2, 1) \ F(MoveArrayContents, 2, 1) \ F(EstimateNumberOfElements, 1, 1) \ F(GetArrayKeys, 2, 1) \ F(ArrayConstructor, -1, 1) \ F(ArrayConstructorWithSubclassing, -1, 1) \ F(InternalArrayConstructor, -1, 1) \ F(NormalizeElements, 1, 1) \ F(GrowArrayElements, 2, 1) \ F(HasComplexElements, 1, 1) \ F(IsArray, 1, 1) \ F(HasCachedArrayIndex, 1, 1) \ F(GetCachedArrayIndex, 1, 1) \ F(FixedArrayGet, 2, 1) \ F(FixedArraySet, 3, 1) \ F(FastOneByteArrayJoin, 2, 1) #define FOR_EACH_INTRINSIC_ATOMICS(F) \ F(AtomicsCompareExchange, 4, 1) \ F(AtomicsLoad, 2, 1) \ F(AtomicsStore, 3, 1) \ F(AtomicsAdd, 3, 1) \ F(AtomicsSub, 3, 1) \ F(AtomicsAnd, 3, 1) \ F(AtomicsOr, 3, 1) \ F(AtomicsXor, 3, 1) \ F(AtomicsExchange, 3, 1) \ F(AtomicsIsLockFree, 1, 1) #define FOR_EACH_INTRINSIC_CLASSES(F) \ F(ThrowNonMethodError, 0, 1) \ F(ThrowUnsupportedSuperError, 0, 1) \ F(ThrowConstructorNonCallableError, 0, 1) \ F(ThrowArrayNotSubclassableError, 0, 1) \ F(ThrowStaticPrototypeError, 0, 1) \ F(ThrowIfStaticPrototype, 1, 1) \ F(ToMethod, 2, 1) \ F(HomeObjectSymbol, 0, 1) \ F(DefineClass, 6, 1) \ F(DefineClassMethod, 3, 1) \ F(ClassGetSourceCode, 1, 1) \ F(LoadFromSuper, 3, 1) \ F(LoadKeyedFromSuper, 3, 1) \ F(StoreToSuper_Strict, 4, 1) \ F(StoreToSuper_Sloppy, 4, 1) \ F(StoreKeyedToSuper_Strict, 4, 1) \ F(StoreKeyedToSuper_Sloppy, 4, 1) \ F(HandleStepInForDerivedConstructors, 1, 1) \ F(DefaultConstructorCallSuper, 2, 1) \ F(CallSuperWithSpread, 1, 1) #define FOR_EACH_INTRINSIC_COLLECTIONS(F) \ F(StringGetRawHashField, 1, 1) \ F(TheHole, 0, 1) \ F(JSCollectionGetTable, 1, 1) \ F(GenericHash, 1, 1) \ F(SetInitialize, 1, 1) \ F(SetGrow, 1, 1) \ F(SetShrink, 1, 1) \ F(SetClear, 1, 1) \ F(SetIteratorInitialize, 3, 1) \ F(SetIteratorClone, 1, 1) \ F(SetIteratorNext, 2, 1) \ F(SetIteratorDetails, 1, 1) \ F(MapInitialize, 1, 1) \ F(MapShrink, 1, 1) \ F(MapClear, 1, 1) \ F(MapGrow, 1, 1) \ F(MapIteratorInitialize, 3, 1) \ F(MapIteratorClone, 1, 1) \ F(MapIteratorDetails, 1, 1) \ F(GetWeakMapEntries, 2, 1) \ F(MapIteratorNext, 2, 1) \ F(WeakCollectionInitialize, 1, 1) \ F(WeakCollectionGet, 3, 1) \ F(WeakCollectionHas, 3, 1) \ F(WeakCollectionDelete, 3, 1) \ F(WeakCollectionSet, 4, 1) \ F(GetWeakSetValues, 2, 1) \ F(ObservationWeakMapCreate, 0, 1) #define FOR_EACH_INTRINSIC_COMPILER(F) \ F(CompileLazy, 1, 1) \ F(CompileOptimized, 2, 1) \ F(NotifyStubFailure, 0, 1) \ F(NotifyDeoptimized, 1, 1) \ F(CompileForOnStackReplacement, 1, 1) \ F(TryInstallOptimizedCode, 1, 1) \ F(CompileString, 2, 1) #define FOR_EACH_INTRINSIC_DATE(F) \ F(DateMakeDay, 2, 1) \ F(DateSetValue, 3, 1) \ F(ThrowIfNotADate, 1, 1) \ F(ThrowNotDateError, 0, 1) \ F(DateCurrentTime, 0, 1) \ F(DateParseString, 2, 1) \ F(DateLocalTimezone, 1, 1) \ F(DateToUTC, 1, 1) \ F(DateCacheVersion, 0, 1) \ F(DateField, 2 /* date object, field index */, 1) #define FOR_EACH_INTRINSIC_DEBUG(F) \ F(DebugBreak, 0, 1) \ F(SetDebugEventListener, 2, 1) \ F(ScheduleBreak, 0, 1) \ F(DebugGetInternalProperties, 1, 1) \ F(DebugGetPropertyDetails, 2, 1) \ F(DebugGetProperty, 2, 1) \ F(DebugPropertyTypeFromDetails, 1, 1) \ F(DebugPropertyAttributesFromDetails, 1, 1) \ F(DebugPropertyIndexFromDetails, 1, 1) \ F(DebugNamedInterceptorPropertyValue, 2, 1) \ F(DebugIndexedInterceptorElementValue, 2, 1) \ F(CheckExecutionState, 1, 1) \ F(GetFrameCount, 1, 1) \ F(GetFrameDetails, 2, 1) \ F(GetScopeCount, 2, 1) \ F(GetStepInPositions, 2, 1) \ F(GetScopeDetails, 4, 1) \ F(GetAllScopesDetails, 4, 1) \ F(GetFunctionScopeCount, 1, 1) \ F(GetFunctionScopeDetails, 2, 1) \ F(SetScopeVariableValue, 6, 1) \ F(DebugPrintScopes, 0, 1) \ F(GetThreadCount, 1, 1) \ F(GetThreadDetails, 2, 1) \ F(SetDisableBreak, 1, 1) \ F(GetBreakLocations, 2, 1) \ F(SetFunctionBreakPoint, 3, 1) \ F(SetScriptBreakPoint, 4, 1) \ F(ClearBreakPoint, 1, 1) \ F(ChangeBreakOnException, 2, 1) \ F(IsBreakOnException, 1, 1) \ F(PrepareStep, 4, 1) \ F(ClearStepping, 0, 1) \ F(DebugEvaluate, 6, 1) \ F(DebugEvaluateGlobal, 4, 1) \ F(DebugGetLoadedScripts, 0, 1) \ F(DebugReferencedBy, 3, 1) \ F(DebugConstructedBy, 2, 1) \ F(DebugGetPrototype, 1, 1) \ F(DebugSetScriptSource, 2, 1) \ F(FunctionGetInferredName, 1, 1) \ F(GetFunctionCodePositionFromSource, 2, 1) \ F(ExecuteInDebugContext, 1, 1) \ F(GetDebugContext, 0, 1) \ F(CollectGarbage, 1, 1) \ F(GetHeapUsage, 0, 1) \ F(GetScript, 1, 1) \ F(DebugCallbackSupportsStepping, 1, 1) \ F(DebugPrepareStepInIfStepping, 1, 1) \ F(DebugPushPromise, 2, 1) \ F(DebugPopPromise, 0, 1) \ F(DebugPromiseEvent, 1, 1) \ F(DebugAsyncTaskEvent, 1, 1) \ F(DebugIsActive, 0, 1) \ F(DebugBreakInOptimizedCode, 0, 1) #define FOR_EACH_INTRINSIC_FORIN(F) \ F(ForInDone, 2, 1) \ F(ForInFilter, 2, 1) \ F(ForInNext, 4, 1) \ F(ForInStep, 1, 1) #define FOR_EACH_INTRINSIC_FUNCTION(F) \ F(IsSloppyModeFunction, 1, 1) \ F(FunctionGetName, 1, 1) \ F(FunctionSetName, 2, 1) \ F(FunctionNameShouldPrintAsAnonymous, 1, 1) \ F(FunctionMarkNameShouldPrintAsAnonymous, 1, 1) \ F(FunctionIsArrow, 1, 1) \ F(FunctionIsConciseMethod, 1, 1) \ F(FunctionRemovePrototype, 1, 1) \ F(FunctionGetScript, 1, 1) \ F(FunctionGetSourceCode, 1, 1) \ F(FunctionGetScriptSourcePosition, 1, 1) \ F(FunctionGetPositionForOffset, 2, 1) \ F(FunctionSetInstanceClassName, 2, 1) \ F(FunctionSetLength, 2, 1) \ F(FunctionSetPrototype, 2, 1) \ F(FunctionIsAPIFunction, 1, 1) \ F(FunctionIsBuiltin, 1, 1) \ F(SetCode, 2, 1) \ F(SetNativeFlag, 1, 1) \ F(ThrowStrongModeTooFewArguments, 0, 1) \ F(IsConstructor, 1, 1) \ F(SetForceInlineFlag, 1, 1) \ F(FunctionBindArguments, 4, 1) \ F(BoundFunctionGetBindings, 1, 1) \ F(NewObjectFromBound, 1, 1) \ F(Call, -1 /* >= 2 */, 1) \ F(Apply, 5, 1) \ F(GetFunctionDelegate, 1, 1) \ F(GetConstructorDelegate, 1, 1) \ F(CallFunction, -1 /* receiver + n args + function */, 1) \ F(IsConstructCall, 0, 1) \ F(IsFunction, 1, 1) #define FOR_EACH_INTRINSIC_GENERATOR(F) \ F(CreateJSGeneratorObject, 0, 1) \ F(SuspendJSGeneratorObject, -1, 1) \ F(ResumeJSGeneratorObject, 3, 1) \ F(GeneratorClose, 1, 1) \ F(GeneratorGetFunction, 1, 1) \ F(GeneratorGetContext, 1, 1) \ F(GeneratorGetReceiver, 1, 1) \ F(GeneratorGetContinuation, 1, 1) \ F(GeneratorGetSourcePosition, 1, 1) \ F(FunctionIsGenerator, 1, 1) \ F(GeneratorNext, 2, 1) \ F(GeneratorThrow, 2, 1) #ifdef V8_I18N_SUPPORT #define FOR_EACH_INTRINSIC_I18N(F) \ F(CanonicalizeLanguageTag, 1, 1) \ F(AvailableLocalesOf, 1, 1) \ F(GetDefaultICULocale, 0, 1) \ F(GetLanguageTagVariants, 1, 1) \ F(IsInitializedIntlObject, 1, 1) \ F(IsInitializedIntlObjectOfType, 2, 1) \ F(MarkAsInitializedIntlObjectOfType, 3, 1) \ F(GetImplFromInitializedIntlObject, 1, 1) \ F(CreateDateTimeFormat, 3, 1) \ F(InternalDateFormat, 2, 1) \ F(InternalDateParse, 2, 1) \ F(CreateNumberFormat, 3, 1) \ F(InternalNumberFormat, 2, 1) \ F(InternalNumberParse, 2, 1) \ F(CreateCollator, 3, 1) \ F(InternalCompare, 3, 1) \ F(StringNormalize, 2, 1) \ F(CreateBreakIterator, 3, 1) \ F(BreakIteratorAdoptText, 2, 1) \ F(BreakIteratorFirst, 1, 1) \ F(BreakIteratorNext, 1, 1) \ F(BreakIteratorCurrent, 1, 1) \ F(BreakIteratorBreakType, 1, 1) #else #define FOR_EACH_INTRINSIC_I18N(F) #endif #define FOR_EACH_INTRINSIC_INTERNAL(F) \ F(CheckIsBootstrapping, 0, 1) \ F(Throw, 1, 1) \ F(ReThrow, 1, 1) \ F(UnwindAndFindExceptionHandler, 0, 1) \ F(PromoteScheduledException, 0, 1) \ F(ThrowReferenceError, 1, 1) \ F(ThrowIteratorResultNotAnObject, 1, 1) \ F(PromiseRejectEvent, 3, 1) \ F(PromiseRevokeReject, 1, 1) \ F(PromiseHasHandlerSymbol, 0, 1) \ F(StackGuard, 0, 1) \ F(Interrupt, 0, 1) \ F(AllocateInNewSpace, 1, 1) \ F(AllocateInTargetSpace, 2, 1) \ F(CollectStackTrace, 2, 1) \ F(RenderCallSite, 0, 1) \ F(GetFromCacheRT, 2, 1) \ F(MessageGetStartPosition, 1, 1) \ F(MessageGetScript, 1, 1) \ F(FormatMessageString, 4, 1) \ F(CallSiteGetFileNameRT, 3, 1) \ F(CallSiteGetFunctionNameRT, 3, 1) \ F(CallSiteGetScriptNameOrSourceUrlRT, 3, 1) \ F(CallSiteGetMethodNameRT, 3, 1) \ F(CallSiteGetLineNumberRT, 3, 1) \ F(CallSiteGetColumnNumberRT, 3, 1) \ F(CallSiteIsNativeRT, 3, 1) \ F(CallSiteIsToplevelRT, 3, 1) \ F(CallSiteIsEvalRT, 3, 1) \ F(CallSiteIsConstructorRT, 3, 1) \ F(IS_VAR, 1, 1) \ F(GetFromCache, 2, 1) \ F(IncrementStatsCounter, 1, 1) \ F(Likely, 1, 1) \ F(Unlikely, 1, 1) \ F(HarmonyToString, 0, 1) \ F(GetTypeFeedbackVector, 1, 1) \ F(GetCallerJSFunction, 0, 1) #define FOR_EACH_INTRINSIC_JSON(F) \ F(QuoteJSONString, 1, 1) \ F(BasicJSONStringify, 1, 1) \ F(ParseJson, 1, 1) #define FOR_EACH_INTRINSIC_LITERALS(F) \ F(CreateObjectLiteral, 4, 1) \ F(CreateArrayLiteral, 4, 1) \ F(CreateArrayLiteralStubBailout, 3, 1) \ F(StoreArrayLiteralElement, 5, 1) #define FOR_EACH_INTRINSIC_LIVEEDIT(F) \ F(LiveEditFindSharedFunctionInfosForScript, 1, 1) \ F(LiveEditGatherCompileInfo, 2, 1) \ F(LiveEditReplaceScript, 3, 1) \ F(LiveEditFunctionSourceUpdated, 1, 1) \ F(LiveEditReplaceFunctionCode, 2, 1) \ F(LiveEditFunctionSetScript, 2, 1) \ F(LiveEditReplaceRefToNestedFunction, 3, 1) \ F(LiveEditPatchFunctionPositions, 2, 1) \ F(LiveEditCheckAndDropActivations, 2, 1) \ F(LiveEditCompareStrings, 2, 1) \ F(LiveEditRestartFrame, 2, 1) #define FOR_EACH_INTRINSIC_MATHS(F) \ F(MathAcos, 1, 1) \ F(MathAsin, 1, 1) \ F(MathAtan, 1, 1) \ F(MathLogRT, 1, 1) \ F(DoubleHi, 1, 1) \ F(DoubleLo, 1, 1) \ F(ConstructDouble, 2, 1) \ F(RemPiO2, 2, 1) \ F(MathAtan2, 2, 1) \ F(MathExpRT, 1, 1) \ F(MathClz32, 1, 1) \ F(MathFloor, 1, 1) \ F(MathPowSlow, 2, 1) \ F(MathPowRT, 2, 1) \ F(RoundNumber, 1, 1) \ F(MathSqrt, 1, 1) \ F(MathFround, 1, 1) \ F(MathPow, 2, 1) \ F(IsMinusZero, 1, 1) #define FOR_EACH_INTRINSIC_NUMBERS(F) \ F(NumberToRadixString, 2, 1) \ F(NumberToFixed, 2, 1) \ F(NumberToExponential, 2, 1) \ F(NumberToPrecision, 2, 1) \ F(IsValidSmi, 1, 1) \ F(StringToNumber, 1, 1) \ F(StringParseInt, 2, 1) \ F(StringParseFloat, 1, 1) \ F(NumberToStringRT, 1, 1) \ F(NumberToStringSkipCache, 1, 1) \ F(NumberToInteger, 1, 1) \ F(NumberToIntegerMapMinusZero, 1, 1) \ F(NumberToJSUint32, 1, 1) \ F(NumberToJSInt32, 1, 1) \ F(NumberToSmi, 1, 1) \ F(NumberAdd, 2, 1) \ F(NumberSub, 2, 1) \ F(NumberMul, 2, 1) \ F(NumberUnaryMinus, 1, 1) \ F(NumberDiv, 2, 1) \ F(NumberMod, 2, 1) \ F(NumberImul, 2, 1) \ F(NumberOr, 2, 1) \ F(NumberAnd, 2, 1) \ F(NumberXor, 2, 1) \ F(NumberShl, 2, 1) \ F(NumberShr, 2, 1) \ F(NumberSar, 2, 1) \ F(NumberEquals, 2, 1) \ F(NumberCompare, 3, 1) \ F(SmiLexicographicCompare, 2, 1) \ F(MaxSmi, 0, 1) \ F(NumberToString, 1, 1) \ F(IsSmi, 1, 1) \ F(IsNonNegativeSmi, 1, 1) \ F(GetRootNaN, 0, 1) #define FOR_EACH_INTRINSIC_OBJECT(F) \ F(GetPrototype, 1, 1) \ F(InternalSetPrototype, 2, 1) \ F(SetPrototype, 2, 1) \ F(IsInPrototypeChain, 2, 1) \ F(GetOwnProperty, 2, 1) \ F(PreventExtensions, 1, 1) \ F(IsExtensible, 1, 1) \ F(DisableAccessChecks, 1, 1) \ F(EnableAccessChecks, 1, 1) \ F(OptimizeObjectForAddingMultipleProperties, 2, 1) \ F(ObjectFreeze, 1, 1) \ F(ObjectSeal, 1, 1) \ F(GetProperty, 2, 1) \ F(KeyedGetProperty, 2, 1) \ F(AddNamedProperty, 4, 1) \ F(SetProperty, 4, 1) \ F(AddElement, 3, 1) \ F(AppendElement, 2, 1) \ F(DeleteProperty, 3, 1) \ F(HasOwnProperty, 2, 1) \ F(HasProperty, 2, 1) \ F(HasElement, 2, 1) \ F(IsPropertyEnumerable, 2, 1) \ F(GetPropertyNames, 1, 1) \ F(GetPropertyNamesFast, 1, 1) \ F(GetOwnPropertyNames, 2, 1) \ F(GetOwnElementNames, 1, 1) \ F(GetInterceptorInfo, 1, 1) \ F(GetNamedInterceptorPropertyNames, 1, 1) \ F(GetIndexedInterceptorElementNames, 1, 1) \ F(OwnKeys, 1, 1) \ F(ToFastProperties, 1, 1) \ F(ToBool, 1, 1) \ F(NewStringWrapper, 1, 1) \ F(AllocateHeapNumber, 0, 1) \ F(NewObject, 2, 1) \ F(NewObjectWithAllocationSite, 3, 1) \ F(FinalizeInstanceSize, 1, 1) \ F(GlobalProxy, 1, 1) \ F(LookupAccessor, 3, 1) \ F(LoadMutableDouble, 2, 1) \ F(TryMigrateInstance, 1, 1) \ F(IsJSGlobalProxy, 1, 1) \ F(DefineAccessorPropertyUnchecked, 5, 1) \ F(DefineDataPropertyUnchecked, 4, 1) \ F(GetDataProperty, 2, 1) \ F(HasFastPackedElements, 1, 1) \ F(ValueOf, 1, 1) \ F(SetValueOf, 2, 1) \ F(JSValueGetValue, 1, 1) \ F(HeapObjectGetMap, 1, 1) \ F(MapGetInstanceType, 1, 1) \ F(ObjectEquals, 2, 1) \ F(IsObject, 1, 1) \ F(IsUndetectableObject, 1, 1) \ F(IsSpecObject, 1, 1) \ F(IsStrong, 1, 1) \ F(ClassOf, 1, 1) \ F(DefineGetterPropertyUnchecked, 4, 1) \ F(DefineSetterPropertyUnchecked, 4, 1) #define FOR_EACH_INTRINSIC_OBSERVE(F) \ F(IsObserved, 1, 1) \ F(SetIsObserved, 1, 1) \ F(EnqueueMicrotask, 1, 1) \ F(RunMicrotasks, 0, 1) \ F(DeliverObservationChangeRecords, 2, 1) \ F(GetObservationState, 0, 1) \ F(ObserverObjectAndRecordHaveSameOrigin, 3, 1) \ F(ObjectWasCreatedInCurrentOrigin, 1, 1) \ F(GetObjectContextObjectObserve, 1, 1) \ F(GetObjectContextObjectGetNotifier, 1, 1) \ F(GetObjectContextNotifierPerformChange, 1, 1) #define FOR_EACH_INTRINSIC_PROXY(F) \ F(CreateJSProxy, 2, 1) \ F(CreateJSFunctionProxy, 4, 1) \ F(IsJSProxy, 1, 1) \ F(IsJSFunctionProxy, 1, 1) \ F(GetHandler, 1, 1) \ F(GetCallTrap, 1, 1) \ F(GetConstructTrap, 1, 1) \ F(Fix, 1, 1) #define FOR_EACH_INTRINSIC_REGEXP(F) \ F(StringReplaceGlobalRegExpWithString, 4, 1) \ F(StringSplit, 3, 1) \ F(RegExpExec, 4, 1) \ F(RegExpConstructResultRT, 3, 1) \ F(RegExpConstructResult, 3, 1) \ F(RegExpInitializeAndCompile, 3, 1) \ F(MaterializeRegExpLiteral, 4, 1) \ F(RegExpExecMultiple, 4, 1) \ F(RegExpExecReThrow, 4, 1) \ F(IsRegExp, 1, 1) #define FOR_EACH_INTRINSIC_SCOPES(F) \ F(ThrowConstAssignError, 0, 1) \ F(DeclareGlobals, 3, 1) \ F(InitializeVarGlobal, 3, 1) \ F(InitializeConstGlobal, 2, 1) \ F(DeclareLookupSlot, 4, 1) \ F(InitializeLegacyConstLookupSlot, 3, 1) \ F(NewArguments, 1, 1) /* TODO(turbofan): Only temporary */ \ F(NewSloppyArguments, 3, 1) \ F(NewStrictArguments, 3, 1) \ F(NewRestParam, 4, 1) \ F(NewRestParamSlow, 2, 1) \ F(NewClosureFromStubFailure, 1, 1) \ F(NewClosure, 3, 1) \ F(NewScriptContext, 2, 1) \ F(NewFunctionContext, 1, 1) \ F(PushWithContext, 2, 1) \ F(PushCatchContext, 3, 1) \ F(PushBlockContext, 2, 1) \ F(IsJSModule, 1, 1) \ F(PushModuleContext, 2, 1) \ F(DeclareModules, 1, 1) \ F(DeleteLookupSlot, 2, 1) \ F(StoreLookupSlot, 4, 1) \ F(GetArgumentsProperty, 1, 1) \ F(ArgumentsLength, 0, 1) \ F(Arguments, 1, 1) #define FOR_EACH_INTRINSIC_STRINGS(F) \ F(StringReplaceOneCharWithString, 3, 1) \ F(StringIndexOf, 3, 1) \ F(StringLastIndexOf, 3, 1) \ F(StringLocaleCompare, 2, 1) \ F(SubStringRT, 3, 1) \ F(SubString, 3, 1) \ F(StringAddRT, 2, 1) \ F(StringAdd, 2, 1) \ F(InternalizeString, 1, 1) \ F(StringMatch, 3, 1) \ F(StringCharCodeAtRT, 2, 1) \ F(CharFromCode, 1, 1) \ F(StringCompareRT, 2, 1) \ F(StringCompare, 2, 1) \ F(StringBuilderConcat, 3, 1) \ F(StringBuilderJoin, 3, 1) \ F(SparseJoinWithSeparator, 3, 1) \ F(StringToArray, 2, 1) \ F(StringToLowerCase, 1, 1) \ F(StringToUpperCase, 1, 1) \ F(StringTrim, 3, 1) \ F(TruncateString, 2, 1) \ F(NewString, 2, 1) \ F(NewConsString, 4, 1) \ F(StringEquals, 2, 1) \ F(FlattenString, 1, 1) \ F(StringCharFromCode, 1, 1) \ F(StringCharAt, 2, 1) \ F(OneByteSeqStringGetChar, 2, 1) \ F(OneByteSeqStringSetChar, 3, 1) \ F(TwoByteSeqStringGetChar, 2, 1) \ F(TwoByteSeqStringSetChar, 3, 1) \ F(StringCharCodeAt, 2, 1) \ F(IsStringWrapperSafeForDefaultValueOf, 1, 1) \ F(StringGetLength, 1, 1) #define FOR_EACH_INTRINSIC_SYMBOL(F) \ F(CreateSymbol, 1, 1) \ F(CreatePrivateSymbol, 1, 1) \ F(CreatePrivateOwnSymbol, 1, 1) \ F(CreateGlobalPrivateOwnSymbol, 1, 1) \ F(NewSymbolWrapper, 1, 1) \ F(SymbolDescription, 1, 1) \ F(SymbolRegistry, 0, 1) \ F(SymbolIsPrivate, 1, 1) #define FOR_EACH_INTRINSIC_TEST(F) \ F(DeoptimizeFunction, 1, 1) \ F(DeoptimizeNow, 0, 1) \ F(RunningInSimulator, 0, 1) \ F(IsConcurrentRecompilationSupported, 0, 1) \ F(OptimizeFunctionOnNextCall, -1, 1) \ F(OptimizeOsr, -1, 1) \ F(NeverOptimizeFunction, 1, 1) \ F(GetOptimizationStatus, -1, 1) \ F(UnblockConcurrentRecompilation, 0, 1) \ F(GetOptimizationCount, 1, 1) \ F(GetUndetectable, 0, 1) \ F(ClearFunctionTypeFeedback, 1, 1) \ F(NotifyContextDisposed, 0, 1) \ F(SetAllocationTimeout, -1 /* 2 || 3 */, 1) \ F(DebugPrint, 1, 1) \ F(DebugTrace, 0, 1) \ F(GlobalPrint, 1, 1) \ F(SystemBreak, 0, 1) \ F(SetFlags, 1, 1) \ F(Abort, 1, 1) \ F(AbortJS, 1, 1) \ F(NativeScriptsCount, 0, 1) \ F(GetV8Version, 0, 1) \ F(DisassembleFunction, 1, 1) \ F(TraceEnter, 0, 1) \ F(TraceExit, 1, 1) \ F(HaveSameMap, 2, 1) \ F(HasFastSmiElements, 1, 1) \ F(HasFastObjectElements, 1, 1) \ F(HasFastSmiOrObjectElements, 1, 1) \ F(HasFastDoubleElements, 1, 1) \ F(HasFastHoleyElements, 1, 1) \ F(HasDictionaryElements, 1, 1) \ F(HasSloppyArgumentsElements, 1, 1) \ F(HasExternalArrayElements, 1, 1) \ F(HasFastProperties, 1, 1) \ F(HasExternalUint8Elements, 1, 1) \ F(HasExternalInt8Elements, 1, 1) \ F(HasExternalUint16Elements, 1, 1) \ F(HasExternalInt16Elements, 1, 1) \ F(HasExternalUint32Elements, 1, 1) \ F(HasExternalInt32Elements, 1, 1) \ F(HasExternalFloat32Elements, 1, 1) \ F(HasExternalFloat64Elements, 1, 1) \ F(HasExternalUint8ClampedElements, 1, 1) \ F(HasFixedUint8Elements, 1, 1) \ F(HasFixedInt8Elements, 1, 1) \ F(HasFixedUint16Elements, 1, 1) \ F(HasFixedInt16Elements, 1, 1) \ F(HasFixedUint32Elements, 1, 1) \ F(HasFixedInt32Elements, 1, 1) \ F(HasFixedFloat32Elements, 1, 1) \ F(HasFixedFloat64Elements, 1, 1) \ F(HasFixedUint8ClampedElements, 1, 1) #define FOR_EACH_INTRINSIC_TYPEDARRAY(F) \ F(ArrayBufferInitialize, 3, 1) \ F(ArrayBufferGetByteLength, 1, 1) \ F(ArrayBufferSliceImpl, 3, 1) \ F(ArrayBufferIsView, 1, 1) \ F(ArrayBufferNeuter, 1, 1) \ F(TypedArrayInitialize, 6, 1) \ F(TypedArrayInitializeFromArrayLike, 4, 1) \ F(ArrayBufferViewGetByteLength, 1, 1) \ F(ArrayBufferViewGetByteOffset, 1, 1) \ F(TypedArrayGetLength, 1, 1) \ F(DataViewGetBuffer, 1, 1) \ F(TypedArrayGetBuffer, 1, 1) \ F(TypedArraySetFastCases, 3, 1) \ F(TypedArrayMaxSizeInHeap, 0, 1) \ F(IsTypedArray, 1, 1) \ F(IsSharedTypedArray, 1, 1) \ F(IsSharedIntegerTypedArray, 1, 1) \ F(DataViewInitialize, 4, 1) \ F(DataViewGetUint8, 3, 1) \ F(DataViewGetInt8, 3, 1) \ F(DataViewGetUint16, 3, 1) \ F(DataViewGetInt16, 3, 1) \ F(DataViewGetUint32, 3, 1) \ F(DataViewGetInt32, 3, 1) \ F(DataViewGetFloat32, 3, 1) \ F(DataViewGetFloat64, 3, 1) \ F(DataViewSetUint8, 4, 1) \ F(DataViewSetInt8, 4, 1) \ F(DataViewSetUint16, 4, 1) \ F(DataViewSetInt16, 4, 1) \ F(DataViewSetUint32, 4, 1) \ F(DataViewSetInt32, 4, 1) \ F(DataViewSetFloat32, 4, 1) \ F(DataViewSetFloat64, 4, 1) #define FOR_EACH_INTRINSIC_URI(F) \ F(URIEscape, 1, 1) \ F(URIUnescape, 1, 1) #define FOR_EACH_INTRINSIC_RETURN_PAIR(F) \ F(LoadLookupSlot, 2, 2) \ F(LoadLookupSlotNoReferenceError, 2, 2) \ F(ResolvePossiblyDirectEval, 6, 2) #define FOR_EACH_INTRINSIC_RETURN_OBJECT(F) \ FOR_EACH_INTRINSIC_ARRAY(F) \ FOR_EACH_INTRINSIC_ATOMICS(F) \ FOR_EACH_INTRINSIC_CLASSES(F) \ FOR_EACH_INTRINSIC_COLLECTIONS(F) \ FOR_EACH_INTRINSIC_COMPILER(F) \ FOR_EACH_INTRINSIC_DATE(F) \ FOR_EACH_INTRINSIC_DEBUG(F) \ FOR_EACH_INTRINSIC_FORIN(F) \ FOR_EACH_INTRINSIC_FUNCTION(F) \ FOR_EACH_INTRINSIC_GENERATOR(F) \ FOR_EACH_INTRINSIC_I18N(F) \ FOR_EACH_INTRINSIC_INTERNAL(F) \ FOR_EACH_INTRINSIC_JSON(F) \ FOR_EACH_INTRINSIC_LITERALS(F) \ FOR_EACH_INTRINSIC_LIVEEDIT(F) \ FOR_EACH_INTRINSIC_MATHS(F) \ FOR_EACH_INTRINSIC_NUMBERS(F) \ FOR_EACH_INTRINSIC_OBJECT(F) \ FOR_EACH_INTRINSIC_OBSERVE(F) \ FOR_EACH_INTRINSIC_PROXY(F) \ FOR_EACH_INTRINSIC_REGEXP(F) \ FOR_EACH_INTRINSIC_SCOPES(F) \ FOR_EACH_INTRINSIC_STRINGS(F) \ FOR_EACH_INTRINSIC_SYMBOL(F) \ FOR_EACH_INTRINSIC_TEST(F) \ FOR_EACH_INTRINSIC_TYPEDARRAY(F) \ FOR_EACH_INTRINSIC_URI(F) // FOR_EACH_INTRINSIC defines the list of all intrinsics, coming in 2 flavors, // either returning an object or a pair. #define FOR_EACH_INTRINSIC(F) \ FOR_EACH_INTRINSIC_RETURN_PAIR(F) \ FOR_EACH_INTRINSIC_RETURN_OBJECT(F) //--------------------------------------------------------------------------- // Runtime provides access to all C++ runtime functions. class RuntimeState { public: unibrow::Mapping<unibrow::ToUppercase, 128>* to_upper_mapping() { return &to_upper_mapping_; } unibrow::Mapping<unibrow::ToLowercase, 128>* to_lower_mapping() { return &to_lower_mapping_; } private: RuntimeState() {} unibrow::Mapping<unibrow::ToUppercase, 128> to_upper_mapping_; unibrow::Mapping<unibrow::ToLowercase, 128> to_lower_mapping_; friend class Isolate; friend class Runtime; DISALLOW_COPY_AND_ASSIGN(RuntimeState); }; class JavaScriptFrameIterator; // Forward declaration. class Runtime : public AllStatic { public: enum FunctionId { #define F(name, nargs, ressize) k##name, #define I(name, nargs, ressize) kInline##name, FOR_EACH_INTRINSIC(F) FOR_EACH_INTRINSIC(I) #undef I #undef F kNumFunctions, }; enum IntrinsicType { RUNTIME, INLINE }; // Intrinsic function descriptor. struct Function { FunctionId function_id; IntrinsicType intrinsic_type; // The JS name of the function. const char* name; // The C++ (native) entry point. NULL if the function is inlined. byte* entry; // The number of arguments expected. nargs is -1 if the function takes // a variable number of arguments. int nargs; // Size of result. Most functions return a single pointer, size 1. int result_size; }; static const int kNotFound = -1; // Add internalized strings for all the intrinsic function names to a // StringDictionary. static void InitializeIntrinsicFunctionNames(Isolate* isolate, Handle<NameDictionary> dict); // Get the intrinsic function with the given name, which must be internalized. static const Function* FunctionForName(Handle<String> name); // Get the intrinsic function with the given FunctionId. static const Function* FunctionForId(FunctionId id); // Get the intrinsic function with the given function entry address. static const Function* FunctionForEntry(Address ref); // TODO(1240886): Some of the following methods are *not* handle safe, but // accept handle arguments. This seems fragile. // Support getting the characters in a string using [] notation as // in Firefox/SpiderMonkey, Safari and Opera. MUST_USE_RESULT static MaybeHandle<Object> GetElementOrCharAt( Isolate* isolate, Handle<Object> object, uint32_t index); MUST_USE_RESULT static MaybeHandle<Object> SetObjectProperty( Isolate* isolate, Handle<Object> object, Handle<Object> key, Handle<Object> value, LanguageMode language_mode); MUST_USE_RESULT static MaybeHandle<Object> DefineObjectProperty( Handle<JSObject> object, Handle<Object> key, Handle<Object> value, PropertyAttributes attr, JSObject::ExecutableAccessorInfoHandling handling = JSObject::DEFAULT_HANDLING); MUST_USE_RESULT static MaybeHandle<Object> GetObjectProperty( Isolate* isolate, Handle<Object> object, Handle<Object> key); MUST_USE_RESULT static MaybeHandle<Object> GetPrototype( Isolate* isolate, Handle<Object> object); MUST_USE_RESULT static MaybeHandle<Name> ToName(Isolate* isolate, Handle<Object> key); static void SetupArrayBuffer(Isolate* isolate, Handle<JSArrayBuffer> array_buffer, bool is_external, void* data, size_t allocated_length, SharedFlag shared = SharedFlag::kNotShared); static bool SetupArrayBufferAllocatingData( Isolate* isolate, Handle<JSArrayBuffer> array_buffer, size_t allocated_length, bool initialize = true, SharedFlag shared = SharedFlag::kNotShared); static void NeuterArrayBuffer(Handle<JSArrayBuffer> array_buffer); static int FindIndexedNonNativeFrame(JavaScriptFrameIterator* it, int index); enum TypedArrayId { // arrayIds below should be synchromized with typedarray.js natives. ARRAY_ID_UINT8 = 1, ARRAY_ID_INT8 = 2, ARRAY_ID_UINT16 = 3, ARRAY_ID_INT16 = 4, ARRAY_ID_UINT32 = 5, ARRAY_ID_INT32 = 6, ARRAY_ID_FLOAT32 = 7, ARRAY_ID_FLOAT64 = 8, ARRAY_ID_UINT8_CLAMPED = 9, ARRAY_ID_FIRST = ARRAY_ID_UINT8, ARRAY_ID_LAST = ARRAY_ID_UINT8_CLAMPED }; static void ArrayIdToTypeAndSize(int array_id, ExternalArrayType* type, ElementsKind* external_elements_kind, ElementsKind* fixed_elements_kind, size_t* element_size); // Used in runtime.cc and hydrogen's VisitArrayLiteral. MUST_USE_RESULT static MaybeHandle<Object> CreateArrayLiteralBoilerplate( Isolate* isolate, Handle<FixedArray> literals, Handle<FixedArray> elements, bool is_strong); static void JSMapInitialize(Isolate* isolate, Handle<JSMap> map); static void JSSetInitialize(Isolate* isolate, Handle<JSSet> set); static void WeakCollectionInitialize( Isolate* isolate, Handle<JSWeakCollection> weak_collection); static void WeakCollectionSet(Handle<JSWeakCollection> weak_collection, Handle<Object> key, Handle<Object> value, int32_t hash); static bool WeakCollectionDelete(Handle<JSWeakCollection> weak_collection, Handle<Object> key); static bool WeakCollectionDelete(Handle<JSWeakCollection> weak_collection, Handle<Object> key, int32_t hash); static MaybeHandle<JSArray> GetInternalProperties(Isolate* isolate, Handle<Object>); static bool AtomicIsLockFree(uint32_t size); }; std::ostream& operator<<(std::ostream&, Runtime::FunctionId); //--------------------------------------------------------------------------- // Constants used by interface to runtime functions. class AllocateDoubleAlignFlag : public BitField<bool, 0, 1> {}; class AllocateTargetSpace : public BitField<AllocationSpace, 1, 3> {}; class DeclareGlobalsEvalFlag : public BitField<bool, 0, 1> {}; class DeclareGlobalsNativeFlag : public BitField<bool, 1, 1> {}; STATIC_ASSERT(LANGUAGE_END == 3); class DeclareGlobalsLanguageMode : public BitField<LanguageMode, 2, 2> {}; //--------------------------------------------------------------------------- // Inline functions // Assume that 32-bit architectures don't have 64-bit atomic ops. // TODO(binji): can we do better here? #if V8_TARGET_ARCH_64_BIT && V8_HOST_ARCH_64_BIT #define ATOMICS_REQUIRE_LOCK_64_BIT 0 inline bool Runtime::AtomicIsLockFree(uint32_t size) { return size == 1 || size == 2 || size == 4 || size == 8; } #else #define ATOMICS_REQUIRE_LOCK_64_BIT 1 inline bool Runtime::AtomicIsLockFree(uint32_t size) { return size == 1 || size == 2 || size == 4; } #endif } // namespace internal } // namespace v8 #endif // V8_RUNTIME_RUNTIME_H_