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// 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/common/globals.h"
#include "src/handles/handles.h"
#include "src/strings/unicode.h"
#include "src/utils/allocation.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(AtomicsLoadSharedStructOrArray, 2, 1) \
F(AtomicsStoreSharedStructOrArray, 3, 1) \
F(AtomicsExchangeSharedStructOrArray, 3, 1) \
F(AtomicsCompareExchangeSharedStructOrArray, 4, 1) \
F(AtomicsConditionNumWaitersForTesting, 1, 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) \
F(ToBigIntConvertNumber, 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(OrderedHashSetGrow, 2, 1) \
F(SetGrow, 1, 1) \
F(SetShrink, 1, 1) \
F(OrderedHashSetShrink, 1, 1) \
F(TheHole, 0, 1) \
F(WeakCollectionDelete, 3, 1) \
F(WeakCollectionSet, 4, 1) \
F(OrderedHashMapGrow, 2, 1)
#define FOR_EACH_INTRINSIC_COMPILER(F, I) \
F(CompileOptimizedOSR, 0, 1) \
F(CompileOptimizedOSRFromMaglev, 1, 1) \
F(CompileOptimizedOSRFromMaglevInlined, 2, 1) \
F(LogOrTraceOptimizedOSREntry, 0, 1) \
F(CompileLazy, 1, 1) \
F(CompileBaseline, 1, 1) \
F(CompileOptimized, 1, 1) \
F(InstallBaselineCode, 1, 1) \
F(HealOptimizedCodeSlot, 1, 1) \
F(FunctionLogNextExecution, 1, 1) \
F(InstantiateAsmJs, 4, 1) \
F(NotifyDeoptimized, 0, 1) \
F(ObserveNode, 1, 1) \
F(ResolvePossiblyDirectEval, 6, 1) \
F(VerifyType, 1, 1) \
F(CheckTurboshaftTypeOf, 2, 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(AsyncGeneratorYieldWithAwait, 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(StringToLocaleLowerCase, 2, 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(FatalInvalidSize, 0, 1) \
F(GetAndResetRuntimeCallStats, -1 /* <= 2 */, 1) \
F(GetAndResetTurboProfilingData, 0, 1) \
F(GetTemplateObject, 3, 1) \
F(IncrementUseCounter, 1, 1) \
F(BytecodeBudgetInterrupt_Ignition, 1, 1) \
F(BytecodeBudgetInterruptWithStackCheck_Ignition, 1, 1) \
F(BytecodeBudgetInterrupt_Sparkplug, 1, 1) \
F(BytecodeBudgetInterruptWithStackCheck_Sparkplug, 1, 1) \
F(BytecodeBudgetInterrupt_Maglev, 1, 1) \
F(BytecodeBudgetInterruptWithStackCheck_Maglev, 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(HandleNoHeapWritesInterrupts, 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(ThrowNoAccess, 0, 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(TerminateExecution, 0, 1) \
F(Typeof, 1, 1) \
F(UnwindAndFindExceptionHandler, 0, 1)
#define FOR_EACH_INTRINSIC_LITERALS(F, I) \
F(CreateArrayLiteral, 4, 1) \
F(CreateObjectLiteral, 4, 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) \
F(GetModuleNamespaceExport, 2, 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)
#define FOR_EACH_INTRINSIC_OBJECT(F, I) \
F(AddDictionaryProperty, 3, 1) \
F(AddPrivateBrand, 4, 1) \
F(AllocateHeapNumber, 0, 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(GetOwnPropertyDescriptorObject, 2, 1) \
F(GetOwnPropertyKeys, 2, 1) \
F(GetPrivateMember, 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(SetFunctionName, 2, 1) \
F(SetKeyedProperty, 3, 1) \
F(DefineObjectOwnProperty, 3, 1) \
F(SetNamedProperty, 3, 1) \
F(SetOwnPropertyIgnoreAttributes, 4, 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(SetPrivateMember, 3, 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, 3, 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(LoadLookupSlotForCall_Baseline, 2, 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_SHADOW_REALM(F, I) \
F(ShadowRealmWrappedFunctionCreate, 2, 1) \
F(ShadowRealmImportValue, 1, 1) \
F(ShadowRealmThrow, 2, 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(StringCodePointAt, 2, 1) \
F(StringCompare, 2, 1) \
F(StringEqual, 2, 1) \
F(StringEscapeQuotes, 1, 1) \
F(StringGreaterThan, 2, 1) \
F(StringGreaterThanOrEqual, 2, 1) \
F(StringIsWellFormed, 1, 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) \
F(StringToWellFormed, 1, 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_TEMPORAL(F, I) \
F(IsInvalidTemporalCalendarField, 2, 1)
#define FOR_EACH_INTRINSIC_TEST(F, I) \
F(Abort, 1, 1) \
F(AbortCSADcheck, 1, 1) \
F(AbortJS, 1, 1) \
F(ActiveTierIsIgnition, 1, 1) \
F(ActiveTierIsSparkplug, 1, 1) \
F(ActiveTierIsMaglev, 1, 1) \
F(ActiveTierIsTurbofan, 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(ConstructInternalizedString, 1, 1) \
F(ConstructSlicedString, 2, 1) \
F(ConstructThinString, 1, 1) \
F(CurrentFrameIsTurbofan, 0, 1) \
F(DebugPrint, -1, 1) \
F(DebugPrintFloat, 5, 1) \
F(DebugPrintPtr, 1, 1) \
F(DebugPrintWord, 5, 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(ForceFlush, 1, 1) \
F(GetCallable, 0, 1) \
F(GetInitializerFunction, 1, 1) \
F(GetOptimizationStatus, 1, 1) \
F(GetUndetectable, 0, 1) \
F(GetWeakCollectionSize, 1, 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(IsInPlaceInternalizableString, 1, 1) \
F(IsInternalizedString, 1, 1) \
F(IsMaglevEnabled, 0, 1) \
F(IsSameHeapObject, 2, 1) \
F(IsSharedString, 1, 1) \
F(IsSparkplugEnabled, 0, 1) \
F(IsTurbofanEnabled, 0, 1) \
F(MapIteratorProtector, 0, 1) \
F(NeverOptimizeFunction, 1, 1) \
F(NewRegExpWithBacktrackLimit, 3, 1) \
F(NoElementsProtector, 0, 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) \
I(DeoptimizeNow, 0, 1) \
F(LeakHole, 0, 1)
#define FOR_EACH_INTRINSIC_TYPEDARRAY(F, I) \
F(ArrayBufferDetach, -1, 1) \
F(ArrayBufferSetDetachKey, 2, 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(ThrowBadSuspenderError, 0, 1) \
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(WasmThrowTypeError, 2, 1) \
F(WasmThrowTypeErrorTwoArgs, 3, 1) \
F(WasmThrowRangeError, 1, 1) \
F(WasmRefFunc, 1, 1) \
F(WasmInternalFunctionCreateExternal, 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(WasmJSToWasmObject, 2, 1) \
F(WasmGenericJSToWasmObject, 3, 1) \
F(WasmGenericWasmToJSObject, 1, 1) \
F(WasmCompileLazy, 2, 1) \
F(WasmAllocateFeedbackVector, 3, 1) \
F(WasmCompileWrapper, 1, 1) \
F(TierUpWasmToJSWrapper, 1, 1) \
F(WasmTriggerTierUp, 1, 1) \
F(WasmDebugBreak, 0, 1) \
F(WasmArrayCopy, 5, 1) \
F(WasmArrayNewSegment, 5, 1) \
F(WasmArrayInitSegment, 6, 1) \
F(WasmAllocateSuspender, 0, 1) \
F(WasmStringNewSegmentWtf8, 4, 1) \
F(WasmStringNewWtf8, 5, 1) \
F(WasmStringNewWtf8Array, 4, 1) \
F(WasmStringNewWtf16, 4, 1) \
F(WasmStringNewWtf16Array, 3, 1) \
F(WasmStringConst, 2, 1) \
F(WasmStringMeasureUtf8, 1, 1) \
F(WasmStringMeasureWtf8, 1, 1) \
F(WasmStringEncodeWtf8, 5, 1) \
F(WasmStringEncodeWtf16, 6, 1) \
F(WasmStringEncodeWtf8Array, 4, 1) \
F(WasmStringAsWtf8, 1, 1) \
F(WasmStringViewWtf8Encode, 6, 1) \
F(WasmStringViewWtf8Slice, 3, 1) \
F(WasmStringFromCodePoint, 1, 1) \
F(WasmStringHash, 1, 1) \
F(WasmSubstring, 3, 1)
#define FOR_EACH_INTRINSIC_WASM_TEST(F, I) \
F(CountUnoptimizedWasmToJSWrapper, 1, 1) \
F(DeserializeWasmModule, 2, 1) \
F(DisallowWasmCodegen, 1, 1) \
F(FlushWasmCode, 0, 1) \
F(FreezeWasmLazyCompilation, 1, 1) \
F(GetWasmExceptionTagId, 2, 1) \
F(GetWasmExceptionValues, 1, 1) \
F(GetWasmRecoveredTrapCount, 0, 1) \
F(HasUnoptimizedWasmToJSWrapper, 1, 1) \
F(IsAsmWasmCode, 1, 1) \
F(IsLiftoffFunction, 1, 1) \
F(IsTurboFanFunction, 1, 1) \
F(IsWasmDebugFunction, 1, 1) \
F(IsUncompiledWasmFunction, 1, 1) \
F(IsThreadInWasm, 0, 1) \
F(IsWasmCode, 1, 1) \
F(IsWasmTrapHandlerEnabled, 0, 1) \
F(IsWasmPartialOOBWriteNoop, 0, 1) \
F(SerializeWasmModule, 1, 1) \
F(SetWasmCompileControls, 2, 1) \
F(SetWasmInstantiateControls, 0, 1) \
F(SetWasmGCEnabled, 1, 1) \
F(WasmCompiledExportWrappersCount, 0, 1) \
F(WasmGetNumberOfInstances, 1, 1) \
F(WasmNumCodeSpaces, 1, 1) \
F(WasmEnterDebugging, 0, 1) \
F(WasmLeaveDebugging, 0, 1) \
F(WasmSwitchToTheCentralStackCount, 0, 1) \
F(WasmTierUpFunction, 1, 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_Slow, 2, 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_SHADOW_REALM(F, I) \
FOR_EACH_INTRINSIC_STRINGS(F, I) \
FOR_EACH_INTRINSIC_SYMBOL(F, I) \
FOR_EACH_INTRINSIC_TEMPORAL(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);
// Check if a switch to the central stack should be performed
// for a runtime function.
static bool SwitchToTheCentralStackForTarget(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);
// 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);
// Look up for a private member with a name matching "desc" and return its
// value. "desc" should be a #-prefixed string, in the case of private fields,
// it should match the description of the private name symbol. Throw an error
// if the found private member is an accessor without a getter, or there is no
// matching private member, or there are more than one matching private member
// (which would be ambiguous). If the found private member is an accessor with
// a getter, the getter will be called to set the value.
V8_EXPORT_PRIVATE V8_WARN_UNUSED_RESULT static MaybeHandle<Object>
GetPrivateMember(Isolate* isolate, Handle<JSReceiver> receiver,
Handle<String> desc);
// Look up for a private member with a name matching "desc" and set it to
// "value". "desc" should be a #-prefixed string, in the case of private
// fields, it should match the description of the private name symbol. Throw
// an error if the found private member is a private method, or an accessor
// without a setter, or there is no matching private member, or there are more
// than one matching private member (which would be ambiguous).
// If the found private member is an accessor with a setter, the setter will
// be called to set the value.
V8_EXPORT_PRIVATE V8_WARN_UNUSED_RESULT static MaybeHandle<Object>
SetPrivateMember(Isolate* isolate, Handle<JSReceiver> receiver,
Handle<String> desc, Handle<Object> value);
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>;
// 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,
kMaglevved = 1 << 5,
kTurboFanned = 1 << 6,
kInterpreted = 1 << 7,
kMarkedForOptimization = 1 << 8,
kMarkedForConcurrentOptimization = 1 << 9,
kOptimizingConcurrently = 1 << 10,
kIsExecuting = 1 << 11,
kTopmostFrameIsTurboFanned = 1 << 12,
kLiteMode = 1 << 13,
kMarkedForDeoptimization = 1 << 14,
kBaseline = 1 << 15,
kTopmostFrameIsInterpreted = 1 << 16,
kTopmostFrameIsBaseline = 1 << 17,
kIsLazy = 1 << 18,
kTopmostFrameIsMaglev = 1 << 19,
kOptimizeOnNextCallOptimizesToMaglev = 1 << 20,
};
} // namespace internal
} // namespace v8
#endif // V8_RUNTIME_RUNTIME_H_
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