// 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 #include "src/allocation.h" #include "src/base/platform/time.h" #include "src/elements-kind.h" #include "src/globals.h" #include "src/unicode.h" #include "src/zone/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): // A variable number of arguments is specified by a -1, additional restrictions // are specified by inline comments #define FOR_EACH_INTRINSIC_ARRAY(F) \ F(FinishArrayPrototypeSetup, 1, 1) \ F(SpecialArrayFunctions, 0, 1) \ F(TransitionElementsKind, 2, 1) \ F(RemoveArrayHoles, 2, 1) \ F(MoveArrayContents, 2, 1) \ F(EstimateNumberOfElements, 1, 1) \ F(GetArrayKeys, 2, 1) \ F(NewArray, -1 /* >= 3 */, 1) \ F(FunctionBind, -1, 1) \ F(NormalizeElements, 1, 1) \ F(GrowArrayElements, 2, 1) \ F(HasComplexElements, 1, 1) \ F(IsArray, 1, 1) \ F(ArrayIsArray, 1, 1) \ F(FixedArrayGet, 2, 1) \ F(FixedArraySet, 3, 1) \ F(ArraySpeciesConstructor, 1, 1) \ F(ArrayIncludes_Slow, 3, 1) \ F(ArrayIndexOf, 3, 1) \ F(SpreadIterablePrepare, 1, 1) \ F(SpreadIterableFixed, 1, 1) #define FOR_EACH_INTRINSIC_ATOMICS(F) \ F(ThrowNotIntegerSharedTypedArrayError, 1, 1) \ F(ThrowNotInt32SharedTypedArrayError, 1, 1) \ F(ThrowInvalidAtomicAccessIndexError, 0, 1) \ F(AtomicsCompareExchange, 4, 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) \ F(AtomicsWait, 4, 1) \ F(AtomicsWake, 3, 1) \ F(AtomicsNumWaitersForTesting, 2, 1) \ F(SetAllowAtomicsWait, 1, 1) #define FOR_EACH_INTRINSIC_CLASSES(F) \ F(ThrowUnsupportedSuperError, 0, 1) \ F(ThrowConstructorNonCallableError, 1, 1) \ F(ThrowStaticPrototypeError, 0, 1) \ F(ThrowSuperAlreadyCalledError, 0, 1) \ F(ThrowNotSuperConstructor, 2, 1) \ F(HomeObjectSymbol, 0, 1) \ F(DefineClass, 4, 1) \ F(InstallClassNameAccessor, 1, 1) \ F(InstallClassNameAccessorWithCheck, 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(GetSuperConstructor, 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) #define FOR_EACH_INTRINSIC_COMPILER(F) \ F(CompileLazy, 1, 1) \ F(CompileBaseline, 1, 1) \ F(CompileOptimized_Concurrent, 1, 1) \ F(CompileOptimized_NotConcurrent, 1, 1) \ F(NotifyStubFailure, 0, 1) \ F(NotifyDeoptimized, 1, 1) \ F(CompileForOnStackReplacement, 1, 1) \ F(TryInstallOptimizedCode, 1, 1) \ F(ResolvePossiblyDirectEval, 6, 1) \ F(InstantiateAsmJs, 4, 1) #define FOR_EACH_INTRINSIC_DATE(F) \ F(IsDate, 1, 1) \ F(DateCurrentTime, 0, 1) \ F(ThrowNotDateError, 0, 1) #define FOR_EACH_INTRINSIC_DEBUG(F) \ F(HandleDebuggerStatement, 0, 1) \ F(DebugBreak, 1, 1) \ F(DebugBreakOnBytecode, 1, 1) \ F(SetDebugEventListener, 2, 1) \ F(ScheduleBreak, 0, 1) \ F(DebugGetInternalProperties, 1, 1) \ F(DebugGetPropertyDetails, 2, 1) \ F(DebugGetProperty, 2, 1) \ F(DebugPropertyKindFromDetails, 1, 1) \ F(DebugPropertyAttributesFromDetails, 1, 1) \ F(CheckExecutionState, 1, 1) \ F(GetFrameCount, 1, 1) \ F(GetFrameDetails, 2, 1) \ F(GetScopeCount, 2, 1) \ F(GetScopeDetails, 4, 1) \ F(GetAllScopesDetails, 4, 1) \ F(GetFunctionScopeCount, 1, 1) \ F(GetFunctionScopeDetails, 2, 1) \ F(GetGeneratorScopeCount, 1, 1) \ F(GetGeneratorScopeDetails, 2, 1) \ F(SetScopeVariableValue, 6, 1) \ F(DebugPrintScopes, 0, 1) \ F(SetBreakPointsActive, 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, 2, 1) \ F(ClearStepping, 0, 1) \ F(DebugEvaluate, 5, 1) \ F(DebugEvaluateGlobal, 2, 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(FunctionGetDebugName, 1, 1) \ F(GetDebugContext, 0, 1) \ F(CollectGarbage, 1, 1) \ F(GetHeapUsage, 0, 1) \ F(GetScript, 1, 1) \ F(ScriptLineCount, 1, 1) \ F(ScriptLineStartPosition, 2, 1) \ F(ScriptLineEndPosition, 2, 1) \ F(ScriptLocationFromLine, 4, 1) \ F(ScriptLocationFromLine2, 4, 1) \ F(ScriptPositionInfo, 3, 1) \ F(ScriptPositionInfo2, 3, 1) \ F(ScriptSourceLine, 2, 1) \ F(DebugOnFunctionCall, 1, 1) \ F(DebugPrepareStepInSuspendedGenerator, 0, 1) \ F(DebugRecordGenerator, 1, 1) \ F(DebugPushPromise, 1, 1) \ F(DebugPopPromise, 0, 1) \ F(DebugPromiseReject, 2, 1) \ F(DebugAsyncEventEnqueueRecurring, 2, 1) \ F(DebugAsyncFunctionPromiseCreated, 1, 1) \ F(DebugIsActive, 0, 1) \ F(DebugBreakInOptimizedCode, 0, 1) \ F(DebugCollectCoverage, 0, 1) \ F(DebugTogglePreciseCoverage, 1, 1) #define FOR_EACH_INTRINSIC_ERROR(F) F(ErrorToString, 1, 1) #define FOR_EACH_INTRINSIC_FORIN(F) \ F(ForInEnumerate, 1, 1) \ F(ForInFilter, 2, 1) \ F(ForInHasProperty, 2, 1) #define FOR_EACH_INTRINSIC_INTERPRETER(F) \ F(InterpreterNewClosure, 4, 1) \ F(InterpreterTraceBytecodeEntry, 3, 1) \ F(InterpreterTraceBytecodeExit, 3, 1) \ F(InterpreterAdvanceBytecodeOffset, 2, 1) #define FOR_EACH_INTRINSIC_FUNCTION(F) \ F(FunctionGetName, 1, 1) \ F(FunctionSetName, 2, 1) \ F(FunctionRemovePrototype, 1, 1) \ F(FunctionGetScript, 1, 1) \ F(FunctionGetScriptId, 1, 1) \ F(FunctionGetSourceCode, 1, 1) \ F(FunctionGetScriptSourcePosition, 1, 1) \ F(FunctionGetContextData, 1, 1) \ F(FunctionSetInstanceClassName, 2, 1) \ F(FunctionSetLength, 2, 1) \ F(FunctionSetPrototype, 2, 1) \ F(FunctionIsAPIFunction, 1, 1) \ F(SetCode, 2, 1) \ F(SetNativeFlag, 1, 1) \ F(IsConstructor, 1, 1) \ F(SetForceInlineFlag, 1, 1) \ F(Call, -1 /* >= 2 */, 1) \ F(ConvertReceiver, 1, 1) \ F(IsFunction, 1, 1) \ F(FunctionToString, 1, 1) #define FOR_EACH_INTRINSIC_GENERATOR(F) \ F(CreateJSGeneratorObject, 2, 1) \ F(GeneratorClose, 1, 1) \ F(GeneratorGetFunction, 1, 1) \ F(GeneratorGetReceiver, 1, 1) \ F(GeneratorGetContext, 1, 1) \ F(GeneratorGetInputOrDebugPos, 1, 1) \ F(GeneratorGetContinuation, 1, 1) \ F(GeneratorGetSourcePosition, 1, 1) \ F(GeneratorGetResumeMode, 1, 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, 2, 1) \ F(CreateDateTimeFormat, 3, 1) \ F(InternalDateFormat, 2, 1) \ F(InternalDateFormatToParts, 2, 1) \ F(CreateNumberFormat, 3, 1) \ F(InternalNumberFormat, 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) \ F(StringToLowerCaseI18N, 1, 1) \ F(StringToUpperCaseI18N, 1, 1) \ F(StringLocaleConvertCase, 3, 1) \ F(DateCacheVersion, 0, 1) #else #define FOR_EACH_INTRINSIC_I18N(F) #endif #define FOR_EACH_INTRINSIC_INTERNAL(F) \ F(AllocateInNewSpace, 1, 1) \ F(AllocateInTargetSpace, 2, 1) \ F(AllocateSeqOneByteString, 1, 1) \ F(AllocateSeqTwoByteString, 1, 1) \ F(CheckIsBootstrapping, 0, 1) \ F(CreateAsyncFromSyncIterator, 1, 1) \ F(CreateListFromArrayLike, 1, 1) \ F(GetAndResetRuntimeCallStats, -1 /* <= 2 */, 1) \ F(ExportFromRuntime, 1, 1) \ F(IncrementUseCounter, 1, 1) \ F(InstallToContext, 1, 1) \ F(Interrupt, 0, 1) \ F(IS_VAR, 1, 1) \ F(NewReferenceError, 2, 1) \ F(NewSyntaxError, 2, 1) \ F(NewTypeError, 2, 1) \ F(OrdinaryHasInstance, 2, 1) \ F(PromoteScheduledException, 0, 1) \ F(ReThrow, 1, 1) \ F(RunMicrotasks, 0, 1) \ F(StackGuard, 0, 1) \ F(Throw, 1, 1) \ F(ThrowApplyNonFunction, 1, 1) \ F(ThrowCannotConvertToPrimitive, 0, 1) \ F(ThrowCalledNonCallable, 1, 1) \ F(ThrowCalledOnNullOrUndefined, 1, 1) \ F(ThrowConstructedNonConstructable, 1, 1) \ F(ThrowDerivedConstructorReturnedNonObject, 0, 1) \ F(ThrowGeneratorRunning, 0, 1) \ F(ThrowIllegalInvocation, 0, 1) \ F(ThrowIncompatibleMethodReceiver, 2, 1) \ F(ThrowInvalidHint, 1, 1) \ F(ThrowInvalidStringLength, 0, 1) \ F(ThrowIteratorResultNotAnObject, 1, 1) \ F(ThrowSymbolIteratorInvalid, 0, 1) \ F(ThrowNonCallableInInstanceOfCheck, 0, 1) \ F(ThrowNonObjectInInstanceOfCheck, 0, 1) \ F(ThrowNotConstructor, 1, 1) \ F(ThrowNotGeneric, 1, 1) \ F(ThrowReferenceError, 1, 1) \ F(ThrowStackOverflow, 0, 1) \ F(ThrowSymbolAsyncIteratorInvalid, 0, 1) \ F(ThrowTypeError, -1 /* >= 1 */, 1) \ F(ThrowUndefinedOrNullToObject, 1, 1) \ F(Typeof, 1, 1) \ F(UnwindAndFindExceptionHandler, 0, 1) \ F(AllowDynamicFunction, 1, 1) #define FOR_EACH_INTRINSIC_LITERALS(F) \ F(CreateRegExpLiteral, 4, 1) \ F(CreateObjectLiteral, 4, 1) \ F(CreateArrayLiteral, 4, 1) \ F(CreateArrayLiteralStubBailout, 3, 1) #define FOR_EACH_INTRINSIC_LIVEEDIT(F) \ F(LiveEditFindSharedFunctionInfosForScript, 1, 1) \ F(LiveEditGatherCompileInfo, 2, 1) \ F(LiveEditReplaceScript, 3, 1) \ F(LiveEditFunctionSourceUpdated, 2, 1) \ F(LiveEditReplaceFunctionCode, 2, 1) \ F(LiveEditFixupScript, 2, 1) \ F(LiveEditFunctionSetScript, 2, 1) \ F(LiveEditReplaceRefToNestedFunction, 3, 1) \ F(LiveEditPatchFunctionPositions, 2, 1) \ F(LiveEditCheckAndDropActivations, 3, 1) \ F(LiveEditCompareStrings, 2, 1) \ F(LiveEditRestartFrame, 2, 1) #define FOR_EACH_INTRINSIC_MATHS(F) F(GenerateRandomNumbers, 0, 1) #define FOR_EACH_INTRINSIC_MODULE(F) \ F(DynamicImportCall, 1, 1) \ F(GetModuleNamespace, 1, 1) \ F(LoadModuleVariable, 1, 1) \ F(StoreModuleVariable, 2, 1) #define FOR_EACH_INTRINSIC_NUMBERS(F) \ F(IsValidSmi, 1, 1) \ F(StringToNumber, 1, 1) \ F(StringParseInt, 2, 1) \ F(StringParseFloat, 1, 1) \ F(NumberToString, 1, 1) \ F(NumberToStringSkipCache, 1, 1) \ F(NumberToSmi, 1, 1) \ F(SmiLexicographicCompare, 2, 1) \ F(MaxSmi, 0, 1) \ F(IsSmi, 1, 1) \ F(GetRootNaN, 0, 1) \ F(GetHoleNaNUpper, 0, 1) \ F(GetHoleNaNLower, 0, 1) #define FOR_EACH_INTRINSIC_OBJECT(F) \ F(GetPrototype, 1, 1) \ F(ObjectHasOwnProperty, 2, 1) \ F(ObjectCreate, 2, 1) \ F(InternalSetPrototype, 2, 1) \ F(OptimizeObjectForAddingMultipleProperties, 2, 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_Sloppy, 2, 1) \ F(DeleteProperty_Strict, 2, 1) \ F(HasProperty, 2, 1) \ F(GetOwnPropertyKeys, 2, 1) \ F(GetInterceptorInfo, 1, 1) \ F(ToFastProperties, 1, 1) \ F(AllocateHeapNumber, 0, 1) \ F(NewObject, 2, 1) \ F(FinalizeInstanceSize, 1, 1) \ F(LoadMutableDouble, 2, 1) \ F(TryMigrateInstance, 1, 1) \ F(IsJSGlobalProxy, 1, 1) \ F(DefineAccessorPropertyUnchecked, 5, 1) \ F(DefineDataPropertyInLiteral, 6, 1) \ F(GetDataProperty, 2, 1) \ F(GetConstructorName, 1, 1) \ F(HasFastPackedElements, 1, 1) \ F(ValueOf, 1, 1) \ F(IsJSReceiver, 1, 1) \ F(ClassOf, 1, 1) \ F(CopyDataProperties, 2, 1) \ F(CopyDataPropertiesWithExcludedProperties, -1 /* >= 1 */, 1) \ F(DefineGetterPropertyUnchecked, 4, 1) \ F(DefineSetterPropertyUnchecked, 4, 1) \ F(ToObject, 1, 1) \ F(ToPrimitive, 1, 1) \ F(ToPrimitive_Number, 1, 1) \ F(ToNumber, 1, 1) \ F(ToInteger, 1, 1) \ F(ToLength, 1, 1) \ F(ToString, 1, 1) \ F(ToName, 1, 1) \ F(SameValue, 2, 1) \ F(SameValueZero, 2, 1) \ F(Compare, 3, 1) \ F(HasInPrototypeChain, 2, 1) \ F(CreateIterResultObject, 2, 1) \ F(CreateKeyValueArray, 2, 1) \ F(IsAccessCheckNeeded, 1, 1) \ F(CreateDataProperty, 3, 1) #define FOR_EACH_INTRINSIC_OPERATORS(F) \ F(Multiply, 2, 1) \ F(Divide, 2, 1) \ F(Modulus, 2, 1) \ F(Add, 2, 1) \ F(Subtract, 2, 1) \ F(ShiftLeft, 2, 1) \ F(ShiftRight, 2, 1) \ F(ShiftRightLogical, 2, 1) \ F(BitwiseAnd, 2, 1) \ F(BitwiseOr, 2, 1) \ F(BitwiseXor, 2, 1) \ F(Equal, 2, 1) \ F(NotEqual, 2, 1) \ F(StrictEqual, 2, 1) \ F(StrictNotEqual, 2, 1) \ F(LessThan, 2, 1) \ F(GreaterThan, 2, 1) \ F(LessThanOrEqual, 2, 1) \ F(GreaterThanOrEqual, 2, 1) \ F(InstanceOf, 2, 1) #define FOR_EACH_INTRINSIC_PROMISE(F) \ F(EnqueueMicrotask, 1, 1) \ F(EnqueuePromiseReactionJob, 1, 1) \ F(EnqueuePromiseResolveThenableJob, 1, 1) \ F(PromiseHookInit, 2, 1) \ F(PromiseHookResolve, 1, 1) \ F(PromiseHookBefore, 1, 1) \ F(PromiseHookAfter, 1, 1) \ F(PromiseMarkAsHandled, 1, 1) \ F(PromiseRejectEventFromStack, 2, 1) \ F(PromiseRevokeReject, 1, 1) \ F(PromiseResult, 1, 1) \ F(PromiseStatus, 1, 1) \ F(ReportPromiseReject, 2, 1) #define FOR_EACH_INTRINSIC_PROXY(F) \ F(IsJSProxy, 1, 1) \ F(JSProxyCall, -1 /* >= 2 */, 1) \ F(JSProxyConstruct, -1 /* >= 3 */, 1) \ F(JSProxyGetTarget, 1, 1) \ F(JSProxyGetHandler, 1, 1) \ F(JSProxyRevoke, 1, 1) #define FOR_EACH_INTRINSIC_REGEXP(F) \ F(IsRegExp, 1, 1) \ F(RegExpCreate, 1, 1) \ F(RegExpExec, 4, 1) \ F(RegExpExecMultiple, 4, 1) \ F(RegExpExecReThrow, 4, 1) \ F(RegExpInitializeAndCompile, 3, 1) \ F(RegExpInternalReplace, 3, 1) \ F(RegExpReplace, 3, 1) \ F(RegExpSplit, 3, 1) \ F(StringReplaceGlobalRegExpWithString, 4, 1) \ F(StringReplaceNonGlobalRegExpWithFunction, 3, 1) \ F(StringSplit, 3, 1) #define FOR_EACH_INTRINSIC_SCOPES(F) \ F(ThrowConstAssignError, 0, 1) \ F(DeclareGlobals, 3, 1) \ F(DeclareGlobalsForInterpreter, 3, 1) \ F(InitializeVarGlobal, 3, 1) \ F(DeclareEvalFunction, 2, 1) \ F(DeclareEvalVar, 1, 1) \ F(NewSloppyArguments_Generic, 1, 1) \ F(NewStrictArguments, 1, 1) \ F(NewRestParameter, 1, 1) \ F(NewSloppyArguments, 3, 1) \ F(NewArgumentsElements, 2, 1) \ F(NewClosure, 3, 1) \ F(NewClosure_Tenured, 3, 1) \ F(NewScriptContext, 2, 1) \ F(NewFunctionContext, 2, 1) \ F(PushModuleContext, 3, 1) \ F(PushWithContext, 3, 1) \ F(PushCatchContext, 4, 1) \ F(PushBlockContext, 2, 1) \ F(DeleteLookupSlot, 1, 1) \ F(LoadLookupSlot, 1, 1) \ F(LoadLookupSlotInsideTypeof, 1, 1) \ F(StoreLookupSlot_Sloppy, 2, 1) \ F(StoreLookupSlot_Strict, 2, 1) #define FOR_EACH_INTRINSIC_STRINGS(F) \ F(GetSubstitution, 4, 1) \ F(StringReplaceOneCharWithString, 3, 1) \ F(StringIndexOf, 3, 1) \ F(StringIndexOfUnchecked, 3, 1) \ F(StringLastIndexOf, 2, 1) \ F(SubString, 3, 1) \ F(StringAdd, 2, 1) \ F(InternalizeString, 1, 1) \ F(StringCharCodeAtRT, 2, 1) \ F(StringCompare, 2, 1) \ F(StringBuilderConcat, 3, 1) \ F(StringBuilderJoin, 3, 1) \ F(SparseJoinWithSeparator, 3, 1) \ F(StringToArray, 2, 1) \ F(StringLessThan, 2, 1) \ F(StringLessThanOrEqual, 2, 1) \ F(StringGreaterThan, 2, 1) \ F(StringGreaterThanOrEqual, 2, 1) \ F(StringEqual, 2, 1) \ F(StringNotEqual, 2, 1) \ F(FlattenString, 1, 1) \ F(StringCharFromCode, 1, 1) \ F(ExternalStringGetChar, 2, 1) \ F(StringCharCodeAt, 2, 1) #define FOR_EACH_INTRINSIC_SYMBOL(F) \ F(CreateSymbol, 1, 1) \ F(CreatePrivateSymbol, 1, 1) \ F(SymbolDescription, 1, 1) \ F(SymbolDescriptiveString, 1, 1) \ F(SymbolIsPrivate, 1, 1) #define FOR_EACH_INTRINSIC_TEST(F) \ F(ConstructDouble, 2, 1) \ F(DeoptimizeFunction, 1, 1) \ F(DeoptimizeNow, 0, 1) \ F(RunningInSimulator, 0, 1) \ F(IsConcurrentRecompilationSupported, 0, 1) \ F(OptimizeFunctionOnNextCall, -1, 1) \ F(InterpretFunctionOnNextCall, 1, 1) \ F(BaselineFunctionOnNextCall, 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(GetCallable, 0, 1) \ F(ClearFunctionFeedback, 1, 1) \ F(CheckWasmWrapperElision, 2, 1) \ F(NotifyContextDisposed, 0, 1) \ F(SetAllocationTimeout, -1 /* 2 || 3 */, 1) \ F(DebugPrint, 1, 1) \ F(DebugTrace, 0, 1) \ F(GetExceptionDetails, 1, 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(TraceTailCall, 0, 1) \ F(HaveSameMap, 2, 1) \ F(InNewSpace, 1, 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(HasFixedTypedArrayElements, 1, 1) \ F(HasFastProperties, 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) \ F(SpeciesProtector, 0, 1) \ F(SerializeWasmModule, 1, 1) \ F(DeserializeWasmModule, 2, 1) \ F(IsAsmWasmCode, 1, 1) \ F(IsWasmCode, 1, 1) \ F(DisallowCodegenFromStrings, 0, 1) \ F(ValidateWasmInstancesChain, 2, 1) \ F(ValidateWasmModuleState, 1, 1) \ F(ValidateWasmOrphanedInstance, 1, 1) \ F(SetWasmCompileControls, 2, 1) \ F(SetWasmInstantiateControls, 0, 1) \ F(Verify, 1, 1) #define FOR_EACH_INTRINSIC_TYPEDARRAY(F) \ F(ArrayBufferGetByteLength, 1, 1) \ F(ArrayBufferSliceImpl, 4, 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(TypedArrayGetBuffer, 1, 1) \ F(TypedArraySetFastCases, 3, 1) \ F(TypedArraySortFast, 1, 1) \ F(TypedArrayMaxSizeInHeap, 0, 1) \ F(IsTypedArray, 1, 1) \ F(IsSharedTypedArray, 1, 1) \ F(IsSharedIntegerTypedArray, 1, 1) \ F(IsSharedInteger32TypedArray, 1, 1) #define FOR_EACH_INTRINSIC_WASM(F) \ F(WasmGrowMemory, 1, 1) \ F(WasmMemorySize, 0, 1) \ F(ThrowWasmError, 2, 1) \ F(ThrowWasmErrorFromTrapIf, 1, 1) \ F(WasmThrowTypeError, 0, 1) \ F(WasmThrow, 2, 1) \ F(WasmGetCaughtExceptionValue, 1, 1) \ F(WasmRunInterpreter, 3, 1) \ F(WasmStackGuard, 0, 1) #define FOR_EACH_INTRINSIC_RETURN_PAIR(F) \ F(LoadLookupSlotForCall, 1, 2) #define FOR_EACH_INTRINSIC_RETURN_TRIPLE(F) \ F(ForInPrepare, 1, 3) // Most intrinsics are implemented in the runtime/ directory, but ICs are // implemented in ic.cc for now. #define FOR_EACH_INTRINSIC_IC(F) \ F(BinaryOpIC_Miss, 2, 1) \ F(BinaryOpIC_MissWithAllocationSite, 3, 1) \ F(CompareIC_Miss, 3, 1) \ F(ElementsTransitionAndStoreIC_Miss, 6, 1) \ F(KeyedLoadIC_Miss, 4, 1) \ F(KeyedStoreIC_Miss, 5, 1) \ F(KeyedStoreIC_Slow, 5, 1) \ F(LoadElementWithInterceptor, 2, 1) \ F(LoadGlobalIC_Miss, 3, 1) \ F(LoadGlobalIC_Slow, 3, 1) \ F(LoadIC_Miss, 4, 1) \ F(LoadPropertyWithInterceptor, 5, 1) \ F(LoadPropertyWithInterceptorOnly, 3, 1) \ F(StoreCallbackProperty, 6, 1) \ F(StoreIC_Miss, 5, 1) \ F(StorePropertyWithInterceptor, 5, 1) \ F(ToBooleanIC_Miss, 1, 1) \ F(Unreachable, 0, 1) #define FOR_EACH_INTRINSIC_RETURN_OBJECT(F) \ FOR_EACH_INTRINSIC_IC(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_ERROR(F) \ FOR_EACH_INTRINSIC_FORIN(F) \ FOR_EACH_INTRINSIC_INTERPRETER(F) \ FOR_EACH_INTRINSIC_FUNCTION(F) \ FOR_EACH_INTRINSIC_GENERATOR(F) \ FOR_EACH_INTRINSIC_I18N(F) \ FOR_EACH_INTRINSIC_INTERNAL(F) \ FOR_EACH_INTRINSIC_LITERALS(F) \ FOR_EACH_INTRINSIC_LIVEEDIT(F) \ FOR_EACH_INTRINSIC_MATHS(F) \ FOR_EACH_INTRINSIC_MODULE(F) \ FOR_EACH_INTRINSIC_NUMBERS(F) \ FOR_EACH_INTRINSIC_OBJECT(F) \ FOR_EACH_INTRINSIC_OPERATORS(F) \ FOR_EACH_INTRINSIC_PROMISE(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_WASM(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_TRIPLE(F) \ FOR_EACH_INTRINSIC_RETURN_PAIR(F) \ FOR_EACH_INTRINSIC_RETURN_OBJECT(F) #define F(name, nargs, ressize) \ Object* Runtime_##name(int args_length, Object** args_object, \ Isolate* isolate); FOR_EACH_INTRINSIC_RETURN_OBJECT(F) #undef F //--------------------------------------------------------------------------- // Runtime provides access to all C++ runtime functions. class Runtime : public AllStatic { public: enum FunctionId : int32_t { #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; // For RUNTIME functions, this is the C++ entry point. // For INLINE functions this is the C++ entry point of the fall back. Address entry; // The number of arguments expected. nargs is -1 if the function takes // a variable number of arguments. int8_t nargs; // Size of result. Most functions return a single pointer, size 1. int8_t result_size; }; static const int kNotFound = -1; // Get the intrinsic function with the given name. static const Function* FunctionForName(const unsigned char* name, int length); // Get the intrinsic function with the given FunctionId. V8_EXPORT_PRIVATE static const Function* FunctionForId(FunctionId id); // Get the intrinsic function with the given function entry address. static const Function* FunctionForEntry(Address ref); // Get the runtime intrinsic function table. static const Function* RuntimeFunctionTable(Isolate* isolate); MUST_USE_RESULT static Maybe DeleteObjectProperty( Isolate* isolate, Handle receiver, Handle key, LanguageMode language_mode); MUST_USE_RESULT static MaybeHandle SetObjectProperty( Isolate* isolate, Handle object, Handle key, Handle value, LanguageMode language_mode); MUST_USE_RESULT static MaybeHandle GetObjectProperty( Isolate* isolate, Handle object, Handle key, bool* is_found_out = nullptr); enum TypedArrayId { // arrayIds below should be synchronized 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* fixed_elements_kind, size_t* element_size); static MaybeHandle GetInternalProperties(Isolate* isolate, Handle); }; class RuntimeState { public: unibrow::Mapping* to_upper_mapping() { return &to_upper_mapping_; } unibrow::Mapping* to_lower_mapping() { return &to_lower_mapping_; } Runtime::Function* redirected_intrinsic_functions() { return redirected_intrinsic_functions_.get(); } void set_redirected_intrinsic_functions( Runtime::Function* redirected_intrinsic_functions) { redirected_intrinsic_functions_.reset(redirected_intrinsic_functions); } private: RuntimeState() {} unibrow::Mapping to_upper_mapping_; unibrow::Mapping to_lower_mapping_; std::unique_ptr redirected_intrinsic_functions_; friend class Isolate; friend class Runtime; DISALLOW_COPY_AND_ASSIGN(RuntimeState); }; V8_EXPORT_PRIVATE std::ostream& operator<<(std::ostream&, Runtime::FunctionId); //--------------------------------------------------------------------------- // Constants used by interface to runtime functions. class AllocateDoubleAlignFlag : public BitField {}; class AllocateTargetSpace : public BitField {}; class DeclareGlobalsEvalFlag : public BitField {}; class DeclareGlobalsNativeFlag : public BitField {}; STATIC_ASSERT(LANGUAGE_END == 2); class DeclareGlobalsLanguageMode : public BitField {}; // A set of bits returned by Runtime_GetOptimizationStatus. // These bits must be in sync with bits defined in test/mjsunit/mjsunit.js enum class OptimizationStatus { kIsFunction = 1 << 0, kNeverOptimize = 1 << 1, kAlwaysOptimize = 1 << 2, kMaybeDeopted = 1 << 3, kOptimized = 1 << 4, kTurboFanned = 1 << 5, kInterpreted = 1 << 6, }; } // namespace internal } // namespace v8 #endif // V8_RUNTIME_RUNTIME_H_