// 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 <memory>
#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<bool> DeleteObjectProperty(
Isolate* isolate, Handle<JSReceiver> receiver, Handle<Object> key,
LanguageMode language_mode);
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> GetObjectProperty(
Isolate* isolate, Handle<Object> object, Handle<Object> 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<JSArray> GetInternalProperties(Isolate* isolate,
Handle<Object>);
};
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_;
}
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<unibrow::ToUppercase, 128> to_upper_mapping_;
unibrow::Mapping<unibrow::ToLowercase, 128> to_lower_mapping_;
std::unique_ptr<Runtime::Function[]> 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<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 == 2);
class DeclareGlobalsLanguageMode : public BitField<LanguageMode, 2, 1> {};
// 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_