| // 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 "include/v8-maybe.h" |
| #include "src/base/bit-field.h" |
| #include "src/base/platform/time.h" |
| #include "src/common/globals.h" |
| #include "src/handles/handles.h" |
| #include "src/objects/elements-kind.h" |
| #include "src/strings/unicode.h" |
| #include "src/utils/allocation.h" |
| #include "src/zone/zone.h" |
| |
| namespace v8 { |
| namespace internal { |
| |
| // * Each intrinsic is exposed in JavaScript via: |
| // * %#name, which is always a runtime call. |
| // * (optionally) %_#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 return values): |
| // A variable number of arguments is specified by a -1, additional restrictions |
| // are specified by inline comments. To declare only the runtime version (no |
| // inline), use the F macro below. To declare the runtime version and the inline |
| // version simultaneously, use the I macro below. |
| |
| #define FOR_EACH_INTRINSIC_ARRAY(F, I) \ |
| F(ArrayIncludes_Slow, 3, 1) \ |
| F(ArrayIndexOf, 3, 1) \ |
| F(ArrayIsArray, 1, 1) \ |
| F(ArraySpeciesConstructor, 1, 1) \ |
| F(GrowArrayElements, 2, 1) \ |
| F(IsArray, 1, 1) \ |
| F(NewArray, -1 /* >= 3 */, 1) \ |
| F(NormalizeElements, 1, 1) \ |
| F(TransitionElementsKind, 2, 1) \ |
| F(TransitionElementsKindWithKind, 2, 1) |
| |
| #define FOR_EACH_INTRINSIC_ATOMICS(F, I) \ |
| F(AtomicsLoad64, 2, 1) \ |
| F(AtomicsStore64, 3, 1) \ |
| F(AtomicsAdd, 3, 1) \ |
| F(AtomicsAnd, 3, 1) \ |
| F(AtomicsCompareExchange, 4, 1) \ |
| F(AtomicsExchange, 3, 1) \ |
| F(AtomicsNumWaitersForTesting, 2, 1) \ |
| F(AtomicsNumAsyncWaitersForTesting, 0, 1) \ |
| F(AtomicsNumUnresolvedAsyncPromisesForTesting, 2, 1) \ |
| F(AtomicsOr, 3, 1) \ |
| F(AtomicsSub, 3, 1) \ |
| F(AtomicsXor, 3, 1) \ |
| F(SetAllowAtomicsWait, 1, 1) \ |
| F(AtomicsLoadSharedStructField, 2, 1) \ |
| F(AtomicsStoreSharedStructField, 3, 1) |
| |
| #define FOR_EACH_INTRINSIC_BIGINT(F, I) \ |
| F(BigIntBinaryOp, 3, 1) \ |
| F(BigIntCompareToBigInt, 3, 1) \ |
| F(BigIntCompareToNumber, 3, 1) \ |
| F(BigIntCompareToString, 3, 1) \ |
| F(BigIntEqualToBigInt, 2, 1) \ |
| F(BigIntEqualToNumber, 2, 1) \ |
| F(BigIntEqualToString, 2, 1) \ |
| F(BigIntMaxLengthBits, 0, 1) \ |
| F(BigIntToBoolean, 1, 1) \ |
| F(BigIntToNumber, 1, 1) \ |
| F(BigIntUnaryOp, 2, 1) \ |
| F(ToBigInt, 1, 1) |
| |
| #define FOR_EACH_INTRINSIC_CLASSES(F, I) \ |
| F(DefineClass, -1 /* >= 3 */, 1) \ |
| F(LoadFromSuper, 3, 1) \ |
| F(LoadKeyedFromSuper, 3, 1) \ |
| F(StoreKeyedToSuper, 4, 1) \ |
| F(StoreToSuper, 4, 1) \ |
| F(ThrowConstructorNonCallableError, 1, 1) \ |
| F(ThrowNotSuperConstructor, 2, 1) \ |
| F(ThrowStaticPrototypeError, 0, 1) \ |
| F(ThrowSuperAlreadyCalledError, 0, 1) \ |
| F(ThrowSuperNotCalled, 0, 1) \ |
| F(ThrowUnsupportedSuperError, 0, 1) |
| |
| #define FOR_EACH_INTRINSIC_COLLECTIONS(F, I) \ |
| F(MapGrow, 1, 1) \ |
| F(MapShrink, 1, 1) \ |
| F(SetGrow, 1, 1) \ |
| F(SetShrink, 1, 1) \ |
| F(TheHole, 0, 1) \ |
| F(WeakCollectionDelete, 3, 1) \ |
| F(WeakCollectionSet, 4, 1) |
| |
| #define FOR_EACH_INTRINSIC_COMPILER(F, I) \ |
| F(CompileForOnStackReplacement, 0, 1) \ |
| F(CompileLazy, 1, 1) \ |
| F(CompileBaseline, 1, 1) \ |
| F(CompileMaglev_Concurrent, 1, 1) \ |
| F(CompileMaglev_NotConcurrent, 1, 1) \ |
| F(CompileTurbofan_Concurrent, 1, 1) \ |
| F(CompileTurbofan_NotConcurrent, 1, 1) \ |
| F(InstallBaselineCode, 1, 1) \ |
| F(HealOptimizedCodeSlot, 1, 1) \ |
| F(InstantiateAsmJs, 4, 1) \ |
| F(NotifyDeoptimized, 0, 1) \ |
| F(ObserveNode, 1, 1) \ |
| F(ResolvePossiblyDirectEval, 6, 1) \ |
| F(VerifyType, 1, 1) |
| |
| #define FOR_EACH_INTRINSIC_DATE(F, I) F(DateCurrentTime, 0, 1) |
| |
| #define FOR_EACH_INTRINSIC_DEBUG(F, I) \ |
| F(ClearStepping, 0, 1) \ |
| F(CollectGarbage, 1, 1) \ |
| F(DebugAsyncFunctionSuspended, 4, 1) \ |
| F(DebugBreakAtEntry, 1, 1) \ |
| F(DebugCollectCoverage, 0, 1) \ |
| F(DebugGetLoadedScriptIds, 0, 1) \ |
| F(DebugOnFunctionCall, 2, 1) \ |
| F(DebugPopPromise, 0, 1) \ |
| F(DebugPrepareStepInSuspendedGenerator, 0, 1) \ |
| F(DebugPromiseThen, 1, 1) \ |
| F(DebugPushPromise, 1, 1) \ |
| F(DebugToggleBlockCoverage, 1, 1) \ |
| F(DebugTogglePreciseCoverage, 1, 1) \ |
| F(FunctionGetInferredName, 1, 1) \ |
| F(GetBreakLocations, 1, 1) \ |
| F(GetGeneratorScopeCount, 1, 1) \ |
| F(GetGeneratorScopeDetails, 2, 1) \ |
| F(HandleDebuggerStatement, 0, 1) \ |
| F(IsBreakOnException, 1, 1) \ |
| F(LiveEditPatchScript, 2, 1) \ |
| F(ProfileCreateSnapshotDataBlob, 0, 1) \ |
| F(ScheduleBreak, 0, 1) \ |
| F(ScriptLocationFromLine2, 4, 1) \ |
| F(SetGeneratorScopeVariableValue, 4, 1) \ |
| I(IncBlockCounter, 2, 1) |
| |
| #define FOR_EACH_INTRINSIC_FORIN(F, I) \ |
| F(ForInEnumerate, 1, 1) \ |
| F(ForInHasProperty, 2, 1) |
| |
| #ifdef V8_TRACE_UNOPTIMIZED |
| #define FOR_EACH_INTRINSIC_TRACE_UNOPTIMIZED(F, I) \ |
| F(TraceUnoptimizedBytecodeEntry, 3, 1) \ |
| F(TraceUnoptimizedBytecodeExit, 3, 1) |
| #else |
| #define FOR_EACH_INTRINSIC_TRACE_UNOPTIMIZED(F, I) |
| #endif |
| |
| #ifdef V8_TRACE_FEEDBACK_UPDATES |
| #define FOR_EACH_INTRINSIC_TRACE_FEEDBACK(F, I) F(TraceUpdateFeedback, 3, 1) |
| #else |
| #define FOR_EACH_INTRINSIC_TRACE_FEEDBACK(F, I) |
| #endif |
| |
| #define FOR_EACH_INTRINSIC_TRACE(F, I) \ |
| FOR_EACH_INTRINSIC_TRACE_UNOPTIMIZED(F, I) \ |
| FOR_EACH_INTRINSIC_TRACE_FEEDBACK(F, I) |
| |
| #define FOR_EACH_INTRINSIC_FUNCTION(F, I) \ |
| F(Call, -1 /* >= 2 */, 1) \ |
| F(FunctionGetScriptSource, 1, 1) \ |
| F(FunctionGetScriptId, 1, 1) \ |
| F(FunctionGetScriptSourcePosition, 1, 1) \ |
| F(FunctionGetSourceCode, 1, 1) \ |
| F(FunctionIsAPIFunction, 1, 1) \ |
| F(IsFunction, 1, 1) |
| |
| #define FOR_EACH_INTRINSIC_GENERATOR(F, I) \ |
| I(AsyncFunctionAwaitCaught, 2, 1) \ |
| I(AsyncFunctionAwaitUncaught, 2, 1) \ |
| I(AsyncFunctionEnter, 2, 1) \ |
| I(AsyncFunctionReject, 2, 1) \ |
| I(AsyncFunctionResolve, 2, 1) \ |
| I(AsyncGeneratorAwaitCaught, 2, 1) \ |
| I(AsyncGeneratorAwaitUncaught, 2, 1) \ |
| F(AsyncGeneratorHasCatchHandlerForPC, 1, 1) \ |
| I(AsyncGeneratorReject, 2, 1) \ |
| I(AsyncGeneratorResolve, 3, 1) \ |
| I(AsyncGeneratorYield, 3, 1) \ |
| I(CreateJSGeneratorObject, 2, 1) \ |
| I(GeneratorClose, 1, 1) \ |
| F(GeneratorGetFunction, 1, 1) \ |
| I(GeneratorGetResumeMode, 1, 1) |
| |
| #ifdef V8_INTL_SUPPORT |
| #define FOR_EACH_INTRINSIC_INTL(F, I) \ |
| F(FormatList, 2, 1) \ |
| F(FormatListToParts, 2, 1) \ |
| F(StringToLowerCaseIntl, 1, 1) \ |
| F(StringToUpperCaseIntl, 1, 1) // End of macro. |
| #else |
| #define FOR_EACH_INTRINSIC_INTL(F, I) |
| #endif // V8_INTL_SUPPORT |
| |
| #define FOR_EACH_INTRINSIC_INTERNAL(F, I) \ |
| F(AccessCheck, 1, 1) \ |
| F(AllocateByteArray, 1, 1) \ |
| F(AllocateInYoungGeneration, 2, 1) \ |
| F(AllocateInOldGeneration, 2, 1) \ |
| F(AllocateSeqOneByteString, 1, 1) \ |
| F(AllocateSeqTwoByteString, 1, 1) \ |
| F(AllowDynamicFunction, 1, 1) \ |
| I(CreateAsyncFromSyncIterator, 1, 1) \ |
| F(CreateListFromArrayLike, 1, 1) \ |
| F(DoubleToStringWithRadix, 2, 1) \ |
| F(FatalProcessOutOfMemoryInAllocateRaw, 0, 1) \ |
| F(FatalProcessOutOfMemoryInvalidArrayLength, 0, 1) \ |
| F(GetAndResetRuntimeCallStats, -1 /* <= 2 */, 1) \ |
| F(GetTemplateObject, 3, 1) \ |
| F(IncrementUseCounter, 1, 1) \ |
| F(BytecodeBudgetInterrupt, 1, 1) \ |
| F(BytecodeBudgetInterruptWithStackCheck, 1, 1) \ |
| F(NewError, 2, 1) \ |
| F(NewForeign, 0, 1) \ |
| F(NewReferenceError, 2, 1) \ |
| F(NewSyntaxError, 2, 1) \ |
| F(NewTypeError, -1 /* [1, 4] */, 1) \ |
| F(OrdinaryHasInstance, 2, 1) \ |
| F(PromoteScheduledException, 0, 1) \ |
| F(ReportMessageFromMicrotask, 1, 1) \ |
| F(ReThrow, 1, 1) \ |
| F(ReThrowWithMessage, 2, 1) \ |
| F(RunMicrotaskCallback, 2, 1) \ |
| F(PerformMicrotaskCheckpoint, 0, 1) \ |
| F(SharedValueBarrierSlow, 1, 1) \ |
| F(StackGuard, 0, 1) \ |
| F(StackGuardWithGap, 1, 1) \ |
| F(Throw, 1, 1) \ |
| F(ThrowApplyNonFunction, 1, 1) \ |
| F(ThrowCalledNonCallable, 1, 1) \ |
| F(ThrowConstructedNonConstructable, 1, 1) \ |
| F(ThrowConstructorReturnedNonObject, 0, 1) \ |
| F(ThrowInvalidStringLength, 0, 1) \ |
| F(ThrowInvalidTypedArrayAlignment, 2, 1) \ |
| F(ThrowIteratorError, 1, 1) \ |
| F(ThrowSpreadArgError, 2, 1) \ |
| F(ThrowIteratorResultNotAnObject, 1, 1) \ |
| F(ThrowNotConstructor, 1, 1) \ |
| F(ThrowPatternAssignmentNonCoercible, 1, 1) \ |
| F(ThrowRangeError, -1 /* >= 1 */, 1) \ |
| F(ThrowReferenceError, 1, 1) \ |
| F(ThrowAccessedUninitializedVariable, 1, 1) \ |
| F(ThrowStackOverflow, 0, 1) \ |
| F(ThrowSymbolAsyncIteratorInvalid, 0, 1) \ |
| F(ThrowSymbolIteratorInvalid, 0, 1) \ |
| F(ThrowThrowMethodMissing, 0, 1) \ |
| F(ThrowTypeError, -1 /* >= 1 */, 1) \ |
| F(ThrowTypeErrorIfStrict, -1 /* >= 1 */, 1) \ |
| F(Typeof, 1, 1) \ |
| F(UnwindAndFindExceptionHandler, 0, 1) |
| |
| #define FOR_EACH_INTRINSIC_LITERALS(F, I) \ |
| F(CreateArrayLiteral, 4, 1) \ |
| F(CreateArrayLiteralWithoutAllocationSite, 2, 1) \ |
| F(CreateObjectLiteral, 4, 1) \ |
| F(CreateObjectLiteralWithoutAllocationSite, 2, 1) \ |
| F(CreateRegExpLiteral, 4, 1) |
| |
| #define FOR_EACH_INTRINSIC_MODULE(F, I) \ |
| F(DynamicImportCall, -1 /* [2, 3] */, 1) \ |
| I(GetImportMetaObject, 0, 1) \ |
| F(GetModuleNamespace, 1, 1) |
| |
| #define FOR_EACH_INTRINSIC_NUMBERS(F, I) \ |
| F(ArrayBufferMaxByteLength, 0, 1) \ |
| F(GetHoleNaNLower, 0, 1) \ |
| F(GetHoleNaNUpper, 0, 1) \ |
| F(IsSmi, 1, 1) \ |
| F(MaxSmi, 0, 1) \ |
| F(NumberToStringSlow, 1, 1) \ |
| F(StringParseFloat, 1, 1) \ |
| F(StringParseInt, 2, 1) \ |
| F(StringToNumber, 1, 1) \ |
| F(TypedArrayMaxLength, 0, 1) |
| |
| #define FOR_EACH_INTRINSIC_OBJECT(F, I) \ |
| F(AddDictionaryProperty, 3, 1) \ |
| F(AddPrivateBrand, 4, 1) \ |
| F(AllocateHeapNumber, 0, 1) \ |
| F(CollectTypeProfile, 3, 1) \ |
| F(CompleteInobjectSlackTrackingForMap, 1, 1) \ |
| I(CopyDataProperties, 2, 1) \ |
| I(CopyDataPropertiesWithExcludedPropertiesOnStack, -1 /* >= 1 */, 1) \ |
| I(CreateDataProperty, 3, 1) \ |
| I(CreateIterResultObject, 2, 1) \ |
| F(CreatePrivateAccessors, 2, 1) \ |
| F(DefineAccessorPropertyUnchecked, 5, 1) \ |
| F(DefineKeyedOwnPropertyInLiteral, 6, 1) \ |
| F(DefineGetterPropertyUnchecked, 4, 1) \ |
| F(DefineSetterPropertyUnchecked, 4, 1) \ |
| F(DeleteProperty, 3, 1) \ |
| F(GetDerivedMap, 2, 1) \ |
| F(GetFunctionName, 1, 1) \ |
| F(GetOwnPropertyDescriptor, 2, 1) \ |
| F(GetOwnPropertyKeys, 2, 1) \ |
| F(GetProperty, -1 /* [2, 3] */, 1) \ |
| F(HasFastPackedElements, 1, 1) \ |
| F(HasInPrototypeChain, 2, 1) \ |
| F(HasProperty, 2, 1) \ |
| F(InternalSetPrototype, 2, 1) \ |
| F(IsJSReceiver, 1, 1) \ |
| F(JSReceiverPreventExtensionsDontThrow, 1, 1) \ |
| F(JSReceiverPreventExtensionsThrow, 1, 1) \ |
| F(JSReceiverGetPrototypeOf, 1, 1) \ |
| F(JSReceiverSetPrototypeOfDontThrow, 2, 1) \ |
| F(JSReceiverSetPrototypeOfThrow, 2, 1) \ |
| F(LoadPrivateGetter, 1, 1) \ |
| F(LoadPrivateSetter, 1, 1) \ |
| F(NewObject, 2, 1) \ |
| F(ObjectCreate, 2, 1) \ |
| F(ObjectEntries, 1, 1) \ |
| F(ObjectEntriesSkipFastPath, 1, 1) \ |
| F(ObjectGetOwnPropertyNames, 1, 1) \ |
| F(ObjectGetOwnPropertyNamesTryFast, 1, 1) \ |
| F(ObjectHasOwnProperty, 2, 1) \ |
| F(ObjectIsExtensible, 1, 1) \ |
| F(ObjectKeys, 1, 1) \ |
| F(ObjectValues, 1, 1) \ |
| F(ObjectValuesSkipFastPath, 1, 1) \ |
| F(OptimizeObjectForAddingMultipleProperties, 2, 1) \ |
| F(SetDataProperties, 2, 1) \ |
| F(SetKeyedProperty, 3, 1) \ |
| F(DefineObjectOwnProperty, 3, 1) \ |
| F(SetNamedProperty, 3, 1) \ |
| F(SetOwnPropertyIgnoreAttributes, 4, 1) \ |
| F(DefineKeyedOwnPropertyInLiteral_Simple, 3, 1) \ |
| F(ShrinkNameDictionary, 1, 1) \ |
| F(ShrinkSwissNameDictionary, 1, 1) \ |
| F(ToFastProperties, 1, 1) \ |
| F(ToLength, 1, 1) \ |
| F(ToName, 1, 1) \ |
| F(ToNumber, 1, 1) \ |
| F(ToNumeric, 1, 1) \ |
| F(ToObject, 1, 1) \ |
| F(ToString, 1, 1) \ |
| F(TryMigrateInstance, 1, 1) \ |
| F(SwissTableAdd, 4, 1) \ |
| F(SwissTableAllocate, 1, 1) \ |
| F(SwissTableDelete, 2, 1) \ |
| F(SwissTableDetailsAt, 2, 1) \ |
| F(SwissTableElementsCount, 1, 1) \ |
| F(SwissTableEquals, 2, 1) \ |
| F(SwissTableFindEntry, 2, 1) \ |
| F(SwissTableUpdate, 4, 1) \ |
| F(SwissTableValueAt, 2, 1) \ |
| F(SwissTableKeyAt, 2, 1) |
| |
| #define FOR_EACH_INTRINSIC_OPERATORS(F, I) \ |
| F(Add, 2, 1) \ |
| F(Equal, 2, 1) \ |
| F(GreaterThan, 2, 1) \ |
| F(GreaterThanOrEqual, 2, 1) \ |
| F(LessThan, 2, 1) \ |
| F(LessThanOrEqual, 2, 1) \ |
| F(NotEqual, 2, 1) \ |
| F(StrictEqual, 2, 1) \ |
| F(StrictNotEqual, 2, 1) \ |
| F(ReferenceEqual, 2, 1) |
| |
| #define FOR_EACH_INTRINSIC_PROMISE(F, I) \ |
| F(EnqueueMicrotask, 1, 1) \ |
| F(PromiseHookAfter, 1, 1) \ |
| F(PromiseHookBefore, 1, 1) \ |
| F(PromiseHookInit, 2, 1) \ |
| F(PromiseRejectEventFromStack, 2, 1) \ |
| F(PromiseRevokeReject, 1, 1) \ |
| F(PromiseStatus, 1, 1) \ |
| F(RejectPromise, 3, 1) \ |
| F(ResolvePromise, 2, 1) \ |
| F(PromiseRejectAfterResolved, 2, 1) \ |
| F(PromiseResolveAfterResolved, 2, 1) \ |
| F(ConstructAggregateErrorHelper, 4, 1) \ |
| F(ConstructInternalAggregateErrorHelper, -1 /* <= 5*/, 1) |
| |
| #define FOR_EACH_INTRINSIC_PROXY(F, I) \ |
| F(CheckProxyGetSetTrapResult, 2, 1) \ |
| F(CheckProxyHasTrapResult, 2, 1) \ |
| F(CheckProxyDeleteTrapResult, 2, 1) \ |
| F(GetPropertyWithReceiver, 3, 1) \ |
| F(IsJSProxy, 1, 1) \ |
| F(JSProxyGetHandler, 1, 1) \ |
| F(JSProxyGetTarget, 1, 1) \ |
| F(SetPropertyWithReceiver, 4, 1) |
| |
| #define FOR_EACH_INTRINSIC_REGEXP(F, I) \ |
| F(IsRegExp, 1, 1) \ |
| F(RegExpBuildIndices, 3, 1) \ |
| F(RegExpExec, 4, 1) \ |
| F(RegExpExecTreatMatchAtEndAsFailure, 4, 1) \ |
| F(RegExpExperimentalOneshotExec, 4, 1) \ |
| F(RegExpExperimentalOneshotExecTreatMatchAtEndAsFailure, 4, 1) \ |
| F(RegExpExecMultiple, 4, 1) \ |
| F(RegExpInitializeAndCompile, 3, 1) \ |
| F(RegExpReplaceRT, 3, 1) \ |
| F(RegExpSplit, 3, 1) \ |
| F(RegExpStringFromFlags, 1, 1) \ |
| F(StringReplaceNonGlobalRegExpWithFunction, 3, 1) \ |
| F(StringSplit, 3, 1) |
| |
| #define FOR_EACH_INTRINSIC_SCOPES(F, I) \ |
| F(DeclareEvalFunction, 2, 1) \ |
| F(DeclareEvalVar, 1, 1) \ |
| F(DeclareGlobals, 2, 1) \ |
| F(DeclareModuleExports, 2, 1) \ |
| F(DeleteLookupSlot, 1, 1) \ |
| F(LoadLookupSlot, 1, 1) \ |
| F(LoadLookupSlotInsideTypeof, 1, 1) \ |
| \ |
| F(NewClosure, 2, 1) \ |
| F(NewClosure_Tenured, 2, 1) \ |
| F(NewFunctionContext, 1, 1) \ |
| F(NewRestParameter, 1, 1) \ |
| F(NewSloppyArguments, 1, 1) \ |
| F(NewStrictArguments, 1, 1) \ |
| F(PushBlockContext, 1, 1) \ |
| F(PushCatchContext, 2, 1) \ |
| F(PushWithContext, 2, 1) \ |
| F(StoreGlobalNoHoleCheckForReplLetOrConst, 2, 1) \ |
| F(StoreLookupSlot_Sloppy, 2, 1) \ |
| F(StoreLookupSlot_SloppyHoisting, 2, 1) \ |
| F(StoreLookupSlot_Strict, 2, 1) \ |
| F(ThrowConstAssignError, 0, 1) |
| |
| #define FOR_EACH_INTRINSIC_STRINGS(F, I) \ |
| F(FlattenString, 1, 1) \ |
| F(GetSubstitution, 5, 1) \ |
| F(InternalizeString, 1, 1) \ |
| F(StringAdd, 2, 1) \ |
| F(StringBuilderConcat, 3, 1) \ |
| F(StringCharCodeAt, 2, 1) \ |
| F(StringEqual, 2, 1) \ |
| F(StringEscapeQuotes, 1, 1) \ |
| F(StringGreaterThan, 2, 1) \ |
| F(StringGreaterThanOrEqual, 2, 1) \ |
| F(StringLastIndexOf, 2, 1) \ |
| F(StringLessThan, 2, 1) \ |
| F(StringLessThanOrEqual, 2, 1) \ |
| F(StringMaxLength, 0, 1) \ |
| F(StringReplaceOneCharWithString, 3, 1) \ |
| F(StringSubstring, 3, 1) \ |
| F(StringToArray, 2, 1) |
| |
| #define FOR_EACH_INTRINSIC_SYMBOL(F, I) \ |
| F(CreatePrivateNameSymbol, 1, 1) \ |
| F(CreatePrivateBrandSymbol, 1, 1) \ |
| F(CreatePrivateSymbol, -1 /* <= 1 */, 1) \ |
| F(SymbolDescriptiveString, 1, 1) \ |
| F(SymbolIsPrivate, 1, 1) |
| |
| #define FOR_EACH_INTRINSIC_TEST(F, I) \ |
| F(Abort, 1, 1) \ |
| F(AbortCSADcheck, 1, 1) \ |
| F(AbortJS, 1, 1) \ |
| F(ActiveTierIsMaglev, 1, 1) \ |
| F(ArrayIteratorProtector, 0, 1) \ |
| F(ArraySpeciesProtector, 0, 1) \ |
| F(BaselineOsr, -1, 1) \ |
| F(BenchMaglev, 2, 1) \ |
| F(ClearFunctionFeedback, 1, 1) \ |
| F(ClearMegamorphicStubCache, 0, 1) \ |
| F(CompleteInobjectSlackTracking, 1, 1) \ |
| F(ConstructConsString, 2, 1) \ |
| F(ConstructDouble, 2, 1) \ |
| F(ConstructSlicedString, 2, 1) \ |
| F(DebugPrint, 1, 1) \ |
| F(DebugPrintPtr, 1, 1) \ |
| F(DebugTrace, 0, 1) \ |
| F(DebugTrackRetainingPath, -1, 1) \ |
| F(DeoptimizeFunction, 1, 1) \ |
| F(DisableOptimizationFinalization, 0, 1) \ |
| F(DisallowCodegenFromStrings, 1, 1) \ |
| F(DisassembleFunction, 1, 1) \ |
| F(EnableCodeLoggingForTesting, 0, 1) \ |
| F(EnsureFeedbackVectorForFunction, 1, 1) \ |
| F(FinalizeOptimization, 0, 1) \ |
| F(GetCallable, 0, 1) \ |
| F(GetInitializerFunction, 1, 1) \ |
| F(GetOptimizationStatus, 1, 1) \ |
| F(GetUndetectable, 0, 1) \ |
| F(GlobalPrint, 1, 1) \ |
| F(HasDictionaryElements, 1, 1) \ |
| F(HasDoubleElements, 1, 1) \ |
| F(HasElementsInALargeObjectSpace, 1, 1) \ |
| F(HasFastElements, 1, 1) \ |
| F(HasFastProperties, 1, 1) \ |
| F(HasFixedBigInt64Elements, 1, 1) \ |
| F(HasFixedBigUint64Elements, 1, 1) \ |
| F(HasFixedFloat32Elements, 1, 1) \ |
| F(HasFixedFloat64Elements, 1, 1) \ |
| F(HasFixedInt16Elements, 1, 1) \ |
| F(HasFixedInt32Elements, 1, 1) \ |
| F(HasFixedInt8Elements, 1, 1) \ |
| F(HasFixedUint16Elements, 1, 1) \ |
| F(HasFixedUint32Elements, 1, 1) \ |
| F(HasFixedUint8ClampedElements, 1, 1) \ |
| F(HasFixedUint8Elements, 1, 1) \ |
| F(HasHoleyElements, 1, 1) \ |
| F(HasObjectElements, 1, 1) \ |
| F(HasOwnConstDataProperty, 2, 1) \ |
| F(HasPackedElements, 1, 1) \ |
| F(HasSloppyArgumentsElements, 1, 1) \ |
| F(HasSmiElements, 1, 1) \ |
| F(HasSmiOrObjectElements, 1, 1) \ |
| F(HaveSameMap, 2, 1) \ |
| F(HeapObjectVerify, 1, 1) \ |
| F(ICsAreEnabled, 0, 1) \ |
| F(InLargeObjectSpace, 1, 1) \ |
| F(InYoungGeneration, 1, 1) \ |
| F(Is64Bit, 0, 1) \ |
| F(IsAtomicsWaitAllowed, 0, 1) \ |
| F(IsBeingInterpreted, 0, 1) \ |
| F(IsConcatSpreadableProtector, 0, 1) \ |
| F(IsConcurrentRecompilationSupported, 0, 1) \ |
| F(IsDictPropertyConstTrackingEnabled, 0, 1) \ |
| F(IsSameHeapObject, 2, 1) \ |
| F(IsSharedString, 1, 1) \ |
| F(MapIteratorProtector, 0, 1) \ |
| F(NeverOptimizeFunction, 1, 1) \ |
| F(NewRegExpWithBacktrackLimit, 3, 1) \ |
| F(NotifyContextDisposed, 0, 1) \ |
| F(OptimizeMaglevOnNextCall, 1, 1) \ |
| F(OptimizeFunctionOnNextCall, -1, 1) \ |
| F(OptimizeOsr, -1, 1) \ |
| F(PrepareFunctionForOptimization, -1, 1) \ |
| F(PretenureAllocationSite, 1, 1) \ |
| F(PrintWithNameForAssert, 2, 1) \ |
| F(PromiseSpeciesProtector, 0, 1) \ |
| F(RegExpSpeciesProtector, 0, 1) \ |
| F(RegexpHasBytecode, 2, 1) \ |
| F(RegexpHasNativeCode, 2, 1) \ |
| F(RegexpIsUnmodified, 1, 1) \ |
| F(RegexpTypeTag, 1, 1) \ |
| F(RunningInSimulator, 0, 1) \ |
| F(RuntimeEvaluateREPL, 1, 1) \ |
| F(ScheduleGCInStackCheck, 0, 1) \ |
| F(SerializeDeserializeNow, 0, 1) \ |
| F(SetAllocationTimeout, -1 /* 2 || 3 */, 1) \ |
| F(SetForceSlowPath, 1, 1) \ |
| F(SetIteratorProtector, 0, 1) \ |
| F(SharedGC, 0, 1) \ |
| F(SimulateNewspaceFull, 0, 1) \ |
| F(StringIteratorProtector, 0, 1) \ |
| F(SystemBreak, 0, 1) \ |
| F(TakeHeapSnapshot, -1, 1) \ |
| F(TraceEnter, 0, 1) \ |
| F(TraceExit, 1, 1) \ |
| F(TurbofanStaticAssert, 1, 1) \ |
| F(TypedArraySpeciesProtector, 0, 1) \ |
| F(WaitForBackgroundOptimization, 0, 1) \ |
| F(WebSnapshotDeserialize, -1, 1) \ |
| F(WebSnapshotSerialize, -1, 1) \ |
| I(DeoptimizeNow, 0, 1) |
| |
| #define FOR_EACH_INTRINSIC_TYPEDARRAY(F, I) \ |
| F(ArrayBufferDetach, 1, 1) \ |
| F(GrowableSharedArrayBufferByteLength, 1, 1) \ |
| F(TypedArrayCopyElements, 3, 1) \ |
| F(TypedArrayGetBuffer, 1, 1) \ |
| F(TypedArraySet, 2, 1) \ |
| F(TypedArraySortFast, 1, 1) |
| |
| #define FOR_EACH_INTRINSIC_WASM(F, I) \ |
| F(ThrowWasmError, 1, 1) \ |
| F(ThrowWasmStackOverflow, 0, 1) \ |
| F(WasmI32AtomicWait, 4, 1) \ |
| F(WasmI64AtomicWait, 5, 1) \ |
| F(WasmAtomicNotify, 3, 1) \ |
| F(WasmMemoryGrow, 2, 1) \ |
| F(WasmStackGuard, 0, 1) \ |
| F(WasmThrow, 2, 1) \ |
| F(WasmReThrow, 1, 1) \ |
| F(WasmThrowJSTypeError, 0, 1) \ |
| F(WasmRefFunc, 1, 1) \ |
| F(WasmFunctionTableGet, 3, 1) \ |
| F(WasmFunctionTableSet, 4, 1) \ |
| F(WasmTableInit, 6, 1) \ |
| F(WasmTableCopy, 6, 1) \ |
| F(WasmTableGrow, 3, 1) \ |
| F(WasmTableFill, 5, 1) \ |
| F(WasmIsValidRefValue, 3, 1) \ |
| F(WasmCompileLazy, 2, 1) \ |
| F(WasmCompileWrapper, 2, 1) \ |
| F(WasmTriggerTierUp, 1, 1) \ |
| F(WasmDebugBreak, 0, 1) \ |
| F(WasmArrayCopy, 5, 1) \ |
| F(WasmArrayInitFromData, 5, 1) \ |
| F(WasmAllocateContinuation, 1, 1) \ |
| F(WasmSyncStackLimit, 0, 1) \ |
| F(WasmCreateResumePromise, 2, 1) |
| |
| #define FOR_EACH_INTRINSIC_WASM_TEST(F, I) \ |
| F(DeserializeWasmModule, 2, 1) \ |
| F(DisallowWasmCodegen, 1, 1) \ |
| F(FreezeWasmLazyCompilation, 1, 1) \ |
| F(GetWasmExceptionTagId, 2, 1) \ |
| F(GetWasmExceptionValues, 1, 1) \ |
| F(GetWasmRecoveredTrapCount, 0, 1) \ |
| F(IsAsmWasmCode, 1, 1) \ |
| F(IsLiftoffFunction, 1, 1) \ |
| F(IsTurboFanFunction, 1, 1) \ |
| F(IsThreadInWasm, 0, 1) \ |
| F(IsWasmCode, 1, 1) \ |
| F(IsWasmTrapHandlerEnabled, 0, 1) \ |
| F(SerializeWasmModule, 1, 1) \ |
| F(SetWasmCompileControls, 2, 1) \ |
| F(SetWasmInstantiateControls, 0, 1) \ |
| F(WasmGetNumberOfInstances, 1, 1) \ |
| F(WasmNumCodeSpaces, 1, 1) \ |
| F(WasmTierDown, 0, 1) \ |
| F(WasmTierUp, 0, 1) \ |
| F(WasmTierUpFunction, 2, 1) \ |
| F(WasmTraceEnter, 0, 1) \ |
| F(WasmTraceExit, 1, 1) \ |
| F(WasmTraceMemory, 1, 1) |
| |
| #define FOR_EACH_INTRINSIC_WEAKREF(F, I) \ |
| F(JSFinalizationRegistryRegisterWeakCellWithUnregisterToken, 4, 1) \ |
| F(JSWeakRefAddToKeptObjects, 1, 1) \ |
| F(ShrinkFinalizationRegistryUnregisterTokenMap, 1, 1) |
| |
| #define FOR_EACH_INTRINSIC_RETURN_PAIR_IMPL(F, I) \ |
| F(DebugBreakOnBytecode, 1, 2) \ |
| F(LoadLookupSlotForCall, 1, 2) |
| |
| // Most intrinsics are implemented in the runtime/ directory, but ICs are |
| // implemented in ic.cc for now. |
| #define FOR_EACH_INTRINSIC_IC(F, I) \ |
| F(ElementsTransitionAndStoreIC_Miss, 6, 1) \ |
| F(KeyedLoadIC_Miss, 4, 1) \ |
| F(KeyedStoreIC_Miss, 5, 1) \ |
| F(DefineKeyedOwnIC_Miss, 5, 1) \ |
| F(StoreInArrayLiteralIC_Miss, 5, 1) \ |
| F(DefineNamedOwnIC_Slow, 3, 1) \ |
| F(KeyedStoreIC_Slow, 3, 1) \ |
| F(DefineKeyedOwnIC_Slow, 3, 1) \ |
| F(LoadElementWithInterceptor, 2, 1) \ |
| F(LoadGlobalIC_Miss, 4, 1) \ |
| F(LoadGlobalIC_Slow, 3, 1) \ |
| F(LoadIC_Miss, 4, 1) \ |
| F(LoadNoFeedbackIC_Miss, 4, 1) \ |
| F(LoadWithReceiverIC_Miss, 5, 1) \ |
| F(LoadWithReceiverNoFeedbackIC_Miss, 3, 1) \ |
| F(LoadPropertyWithInterceptor, 5, 1) \ |
| F(StoreCallbackProperty, 5, 1) \ |
| F(StoreGlobalIC_Miss, 4, 1) \ |
| F(StoreGlobalICNoFeedback_Miss, 2, 1) \ |
| F(StoreGlobalIC_Slow, 5, 1) \ |
| F(StoreIC_Miss, 5, 1) \ |
| F(DefineNamedOwnIC_Miss, 5, 1) \ |
| F(StoreInArrayLiteralIC_Slow, 5, 1) \ |
| F(StorePropertyWithInterceptor, 5, 1) \ |
| F(CloneObjectIC_Miss, 4, 1) \ |
| F(KeyedHasIC_Miss, 4, 1) \ |
| F(HasElementWithInterceptor, 2, 1) |
| |
| #define FOR_EACH_INTRINSIC_RETURN_OBJECT_IMPL(F, I) \ |
| FOR_EACH_INTRINSIC_ARRAY(F, I) \ |
| FOR_EACH_INTRINSIC_ATOMICS(F, I) \ |
| FOR_EACH_INTRINSIC_BIGINT(F, I) \ |
| FOR_EACH_INTRINSIC_CLASSES(F, I) \ |
| FOR_EACH_INTRINSIC_COLLECTIONS(F, I) \ |
| FOR_EACH_INTRINSIC_COMPILER(F, I) \ |
| FOR_EACH_INTRINSIC_DATE(F, I) \ |
| FOR_EACH_INTRINSIC_DEBUG(F, I) \ |
| FOR_EACH_INTRINSIC_FORIN(F, I) \ |
| FOR_EACH_INTRINSIC_FUNCTION(F, I) \ |
| FOR_EACH_INTRINSIC_GENERATOR(F, I) \ |
| FOR_EACH_INTRINSIC_IC(F, I) \ |
| FOR_EACH_INTRINSIC_INTERNAL(F, I) \ |
| FOR_EACH_INTRINSIC_TRACE(F, I) \ |
| FOR_EACH_INTRINSIC_INTL(F, I) \ |
| FOR_EACH_INTRINSIC_LITERALS(F, I) \ |
| FOR_EACH_INTRINSIC_MODULE(F, I) \ |
| FOR_EACH_INTRINSIC_NUMBERS(F, I) \ |
| FOR_EACH_INTRINSIC_OBJECT(F, I) \ |
| FOR_EACH_INTRINSIC_OPERATORS(F, I) \ |
| FOR_EACH_INTRINSIC_PROMISE(F, I) \ |
| FOR_EACH_INTRINSIC_PROXY(F, I) \ |
| FOR_EACH_INTRINSIC_REGEXP(F, I) \ |
| FOR_EACH_INTRINSIC_SCOPES(F, I) \ |
| FOR_EACH_INTRINSIC_STRINGS(F, I) \ |
| FOR_EACH_INTRINSIC_SYMBOL(F, I) \ |
| FOR_EACH_INTRINSIC_TEST(F, I) \ |
| FOR_EACH_INTRINSIC_TYPEDARRAY(F, I) \ |
| IF_WASM(FOR_EACH_INTRINSIC_WASM, F, I) \ |
| IF_WASM(FOR_EACH_INTRINSIC_WASM_TEST, F, I) \ |
| FOR_EACH_INTRINSIC_WEAKREF(F, I) |
| |
| // Defines the list of all intrinsics, coming in 2 flavors, either returning an |
| // object or a pair. |
| #define FOR_EACH_INTRINSIC_IMPL(F, I) \ |
| FOR_EACH_INTRINSIC_RETURN_PAIR_IMPL(F, I) \ |
| FOR_EACH_INTRINSIC_RETURN_OBJECT_IMPL(F, I) |
| |
| #define FOR_EACH_INTRINSIC_RETURN_OBJECT(F) \ |
| FOR_EACH_INTRINSIC_RETURN_OBJECT_IMPL(F, F) |
| |
| #define FOR_EACH_INTRINSIC_RETURN_PAIR(F) \ |
| FOR_EACH_INTRINSIC_RETURN_PAIR_IMPL(F, F) |
| |
| // The list of all intrinsics, including those that have inline versions, but |
| // not the inline versions themselves. |
| #define FOR_EACH_INTRINSIC(F) FOR_EACH_INTRINSIC_IMPL(F, F) |
| |
| // The list of all inline intrinsics only. |
| #define FOR_EACH_INLINE_INTRINSIC(I) FOR_EACH_INTRINSIC_IMPL(NOTHING, I) |
| |
| #define F(name, nargs, ressize) \ |
| Address Runtime_##name(int args_length, Address* 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_INLINE_INTRINSIC(I) |
| #undef I |
| #undef F |
| kNumFunctions, |
| }; |
| |
| static constexpr int kNumInlineFunctions = |
| #define COUNT(...) +1 |
| FOR_EACH_INLINE_INTRINSIC(COUNT); |
| #undef COUNT |
| |
| 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; |
| |
| // Checks whether the runtime function with the given {id} depends on the |
| // "current context", i.e. because it does scoped lookups, or whether it's |
| // fine to just pass any context within the same "native context". |
| static bool NeedsExactContext(FunctionId id); |
| |
| // Checks whether the runtime function with the given {id} never returns |
| // to it's caller normally, i.e. whether it'll always raise an exception. |
| // More specifically: The C++ implementation returns the Heap::exception |
| // sentinel, always. |
| static bool IsNonReturning(FunctionId id); |
| |
| // Check if a runtime function with the given {id} may trigger a heap |
| // allocation. |
| static bool MayAllocate(FunctionId id); |
| |
| // Check if a runtime function with the given {id} is allowlisted for |
| // using it with fuzzers. |
| static bool IsAllowListedForFuzzing(FunctionId id); |
| |
| // 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); |
| |
| V8_EXPORT_PRIVATE V8_WARN_UNUSED_RESULT static Maybe<bool> |
| DeleteObjectProperty(Isolate* isolate, Handle<JSReceiver> receiver, |
| Handle<Object> key, LanguageMode language_mode); |
| |
| // Perform a property store on object. If the key is a private name (i.e. this |
| // is a private field assignment), this method throws if the private field |
| // does not exist on object. |
| V8_EXPORT_PRIVATE V8_WARN_UNUSED_RESULT static MaybeHandle<Object> |
| SetObjectProperty(Isolate* isolate, Handle<Object> object, Handle<Object> key, |
| Handle<Object> value, StoreOrigin store_origin, |
| Maybe<ShouldThrow> should_throw = Nothing<ShouldThrow>()); |
| |
| // Defines a property on object. If the key is a private name (i.e. this is a |
| // private field definition), this method throws if the field already exists |
| // on object. |
| V8_EXPORT_PRIVATE V8_WARN_UNUSED_RESULT static MaybeHandle<Object> |
| DefineObjectOwnProperty( |
| Isolate* isolate, Handle<Object> object, Handle<Object> key, |
| Handle<Object> value, StoreOrigin store_origin, |
| Maybe<ShouldThrow> should_throw = Nothing<ShouldThrow>()); |
| |
| // When "receiver" is not passed, it defaults to "lookup_start_object". |
| V8_EXPORT_PRIVATE V8_WARN_UNUSED_RESULT static MaybeHandle<Object> |
| GetObjectProperty(Isolate* isolate, Handle<Object> lookup_start_object, |
| Handle<Object> key, |
| Handle<Object> receiver = Handle<Object>(), |
| bool* is_found = nullptr); |
| |
| V8_WARN_UNUSED_RESULT static MaybeHandle<Object> HasProperty( |
| Isolate* isolate, Handle<Object> object, Handle<Object> key); |
| |
| V8_EXPORT_PRIVATE V8_WARN_UNUSED_RESULT static MaybeHandle<JSArray> |
| GetInternalProperties(Isolate* isolate, Handle<Object>); |
| |
| V8_WARN_UNUSED_RESULT static MaybeHandle<Object> ThrowIteratorError( |
| Isolate* isolate, Handle<Object> object); |
| }; |
| |
| class RuntimeState { |
| public: |
| RuntimeState(const RuntimeState&) = delete; |
| RuntimeState& operator=(const RuntimeState&) = delete; |
| #ifndef V8_INTL_SUPPORT |
| unibrow::Mapping<unibrow::ToUppercase, 128>* to_upper_mapping() { |
| return &to_upper_mapping_; |
| } |
| unibrow::Mapping<unibrow::ToLowercase, 128>* to_lower_mapping() { |
| return &to_lower_mapping_; |
| } |
| #endif |
| |
| 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() = default; |
| #ifndef V8_INTL_SUPPORT |
| unibrow::Mapping<unibrow::ToUppercase, 128> to_upper_mapping_; |
| unibrow::Mapping<unibrow::ToLowercase, 128> to_lower_mapping_; |
| #endif |
| |
| std::unique_ptr<Runtime::Function[]> redirected_intrinsic_functions_; |
| |
| friend class Isolate; |
| friend class Runtime; |
| }; |
| |
| V8_EXPORT_PRIVATE std::ostream& operator<<(std::ostream&, Runtime::FunctionId); |
| |
| //--------------------------------------------------------------------------- |
| // Constants used by interface to runtime functions. |
| |
| using AllocateDoubleAlignFlag = base::BitField<bool, 0, 1>; |
| |
| using AllowLargeObjectAllocationFlag = base::BitField<bool, 1, 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, |
| kMarkedForOptimization = 1 << 7, |
| kMarkedForConcurrentOptimization = 1 << 8, |
| kOptimizingConcurrently = 1 << 9, |
| kIsExecuting = 1 << 10, |
| kTopmostFrameIsTurboFanned = 1 << 11, |
| kLiteMode = 1 << 12, |
| kMarkedForDeoptimization = 1 << 13, |
| kBaseline = 1 << 14, |
| kTopmostFrameIsInterpreted = 1 << 15, |
| kTopmostFrameIsBaseline = 1 << 16, |
| }; |
| |
| } // namespace internal |
| } // namespace v8 |
| |
| #endif // V8_RUNTIME_RUNTIME_H_ |
