// Copyright 2012 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef V8_RUNTIME_RUNTIME_H_
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#define V8_RUNTIME_RUNTIME_H_
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#include <memory>
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#include "src/allocation.h"
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#include "src/base/platform/time.h"
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#include "src/elements-kind.h"
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#include "src/globals.h"
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#include "src/unicode.h"
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#include "src/zone/zone.h"
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namespace v8 {
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namespace internal {
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// * Each intrinsic is consistently exposed in JavaScript via 2 names:
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// * %#name, which is always a runtime call.
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// * %_#name, which can be inlined or just a runtime call, the compiler in
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// question decides.
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//
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// * IntrinsicTypes are Runtime::RUNTIME and Runtime::INLINE, respectively.
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//
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// * IDs are Runtime::k##name and Runtime::kInline##name, respectively.
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//
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// * All intrinsics have a C++ implementation Runtime_##name.
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//
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// * Each compiler has an explicit list of intrisics it supports, falling back
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// to a simple runtime call if necessary.
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// Entries have the form F(name, number of arguments, number of values):
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// A variable number of arguments is specified by a -1, additional restrictions
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// are specified by inline comments
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#define FOR_EACH_INTRINSIC_ARRAY(F) \
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F(ArrayIncludes_Slow, 3, 1) \
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F(ArrayIndexOf, 3, 1) \
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F(ArrayIsArray, 1, 1) \
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F(ArraySpeciesConstructor, 1, 1) \
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F(EstimateNumberOfElements, 1, 1) \
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F(GetArrayKeys, 2, 1) \
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F(GrowArrayElements, 2, 1) \
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F(HasComplexElements, 1, 1) \
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F(IsArray, 1, 1) \
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F(MoveArrayContents, 2, 1) \
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F(NewArray, -1 /* >= 3 */, 1) \
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F(NormalizeElements, 1, 1) \
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F(PrepareElementsForSort, 2, 1) \
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F(TransitionElementsKind, 2, 1) \
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F(TrySliceSimpleNonFastElements, 3, 1)
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#define FOR_EACH_INTRINSIC_ATOMICS(F) \
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F(AtomicsAdd, 3, 1) \
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F(AtomicsAnd, 3, 1) \
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F(AtomicsCompareExchange, 4, 1) \
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F(AtomicsExchange, 3, 1) \
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F(AtomicsNumWaitersForTesting, 2, 1) \
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F(AtomicsOr, 3, 1) \
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F(AtomicsSub, 3, 1) \
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F(AtomicsXor, 3, 1) \
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F(SetAllowAtomicsWait, 1, 1)
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#define FOR_EACH_INTRINSIC_BIGINT(F) \
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F(BigIntBinaryOp, 3, 1) \
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F(BigIntCompareToBigInt, 3, 1) \
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F(BigIntCompareToNumber, 3, 1) \
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F(BigIntCompareToString, 3, 1) \
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F(BigIntEqualToBigInt, 2, 1) \
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F(BigIntEqualToNumber, 2, 1) \
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F(BigIntEqualToString, 2, 1) \
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F(BigIntToBoolean, 1, 1) \
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F(BigIntToNumber, 1, 1) \
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F(BigIntUnaryOp, 2, 1) \
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F(ToBigInt, 1, 1)
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#define FOR_EACH_INTRINSIC_CLASSES(F) \
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F(DefineClass, -1 /* >= 3 */, 1) \
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F(HomeObjectSymbol, 0, 1) \
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F(LoadFromSuper, 3, 1) \
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F(LoadKeyedFromSuper, 3, 1) \
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F(StoreKeyedToSuper_Sloppy, 4, 1) \
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F(StoreKeyedToSuper_Strict, 4, 1) \
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F(StoreToSuper_Sloppy, 4, 1) \
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F(StoreToSuper_Strict, 4, 1) \
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F(ThrowConstructorNonCallableError, 1, 1) \
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F(ThrowNotSuperConstructor, 2, 1) \
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F(ThrowStaticPrototypeError, 0, 1) \
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F(ThrowSuperAlreadyCalledError, 0, 1) \
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F(ThrowSuperNotCalled, 0, 1) \
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F(ThrowUnsupportedSuperError, 0, 1)
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#define FOR_EACH_INTRINSIC_COLLECTIONS(F) \
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F(GetWeakMapEntries, 2, 1) \
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F(GetWeakSetValues, 2, 1) \
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F(MapGrow, 1, 1) \
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F(MapIteratorClone, 1, 1) \
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F(MapShrink, 1, 1) \
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F(SetGrow, 1, 1) \
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F(SetIteratorClone, 1, 1) \
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F(SetShrink, 1, 1) \
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F(TheHole, 0, 1) \
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F(WeakCollectionDelete, 3, 1) \
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F(WeakCollectionSet, 4, 1)
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#define FOR_EACH_INTRINSIC_COMPILER(F) \
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F(CompileForOnStackReplacement, 1, 1) \
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F(CompileLazy, 1, 1) \
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F(CompileOptimized_Concurrent, 1, 1) \
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F(CompileOptimized_NotConcurrent, 1, 1) \
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F(EvictOptimizedCodeSlot, 1, 1) \
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F(FunctionFirstExecution, 1, 1) \
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F(InstantiateAsmJs, 4, 1) \
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F(NotifyDeoptimized, 0, 1) \
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F(ResolvePossiblyDirectEval, 6, 1)
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#define FOR_EACH_INTRINSIC_DATE(F) \
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F(DateCurrentTime, 0, 1) \
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F(IsDate, 1, 1)
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#define FOR_EACH_INTRINSIC_DEBUG(F) \
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F(ClearStepping, 0, 1) \
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F(CollectGarbage, 1, 1) \
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F(DebugBreakAtEntry, 1, 1) \
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F(DebugCollectCoverage, 0, 1) \
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F(DebugGetLoadedScriptIds, 0, 1) \
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F(DebugIsActive, 0, 1) \
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F(DebugOnFunctionCall, 2, 1) \
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F(DebugPopPromise, 0, 1) \
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F(DebugPrepareStepInSuspendedGenerator, 0, 1) \
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F(DebugPushPromise, 1, 1) \
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F(DebugAsyncFunctionSuspended, 1, 1) \
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F(DebugAsyncFunctionFinished, 2, 1) \
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F(DebugToggleBlockCoverage, 1, 1) \
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F(DebugTogglePreciseCoverage, 1, 1) \
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F(FunctionGetInferredName, 1, 1) \
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F(GetBreakLocations, 1, 1) \
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F(GetGeneratorScopeCount, 1, 1) \
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F(GetGeneratorScopeDetails, 2, 1) \
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F(GetHeapUsage, 0, 1) \
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F(HandleDebuggerStatement, 0, 1) \
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F(IncBlockCounter, 2, 1) \
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F(IsBreakOnException, 1, 1) \
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F(ScheduleBreak, 0, 1) \
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F(ScriptLocationFromLine2, 4, 1) \
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F(SetGeneratorScopeVariableValue, 4, 1) \
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F(LiveEditPatchScript, 2, 1)
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#define FOR_EACH_INTRINSIC_FORIN(F) \
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F(ForInEnumerate, 1, 1) \
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F(ForInHasProperty, 2, 1)
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#ifdef V8_TRACE_IGNITION
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#define FOR_EACH_INTRINSIC_INTERPRETER_TRACE(F) \
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F(InterpreterTraceBytecodeEntry, 3, 1) \
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F(InterpreterTraceBytecodeExit, 3, 1)
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#else
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#define FOR_EACH_INTRINSIC_INTERPRETER_TRACE(F)
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#endif
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#ifdef V8_TRACE_FEEDBACK_UPDATES
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#define FOR_EACH_INTRINSIC_INTERPRETER_TRACE_FEEDBACK(F) \
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F(InterpreterTraceUpdateFeedback, 3, 1)
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#else
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#define FOR_EACH_INTRINSIC_INTERPRETER_TRACE_FEEDBACK(F)
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#endif
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#define FOR_EACH_INTRINSIC_INTERPRETER(F) \
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FOR_EACH_INTRINSIC_INTERPRETER_TRACE(F) \
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FOR_EACH_INTRINSIC_INTERPRETER_TRACE_FEEDBACK(F) \
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F(InterpreterDeserializeLazy, 2, 1)
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#define FOR_EACH_INTRINSIC_FUNCTION(F) \
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F(Call, -1 /* >= 2 */, 1) \
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F(FunctionGetName, 1, 1) \
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F(FunctionGetScriptSource, 1, 1) \
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F(FunctionGetScriptId, 1, 1) \
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F(FunctionGetScriptSourcePosition, 1, 1) \
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F(FunctionGetSourceCode, 1, 1) \
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F(FunctionIsAPIFunction, 1, 1) \
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F(IsConstructor, 1, 1) \
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F(IsFunction, 1, 1) \
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F(SetCode, 2, 1) \
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F(SetNativeFlag, 1, 1)
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#define FOR_EACH_INTRINSIC_GENERATOR(F) \
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F(AsyncGeneratorHasCatchHandlerForPC, 1, 1) \
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F(AsyncGeneratorReject, 2, 1) \
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F(AsyncGeneratorResolve, 3, 1) \
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F(AsyncGeneratorYield, 3, 1) \
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F(CreateJSGeneratorObject, 2, 1) \
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F(GeneratorClose, 1, 1) \
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F(GeneratorGetFunction, 1, 1) \
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F(GeneratorGetInputOrDebugPos, 1, 1) \
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F(GeneratorGetResumeMode, 1, 1)
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#ifdef V8_INTL_SUPPORT
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#define FOR_EACH_INTRINSIC_INTL(F) \
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F(AvailableLocalesOf, 1, 1) \
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F(BreakIteratorBreakType, 1, 1) \
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F(BreakIteratorCurrent, 1, 1) \
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F(BreakIteratorFirst, 1, 1) \
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F(BreakIteratorNext, 1, 1) \
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F(CanonicalizeLanguageTag, 1, 1) \
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F(CollatorResolvedOptions, 1, 1) \
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F(CreateBreakIterator, 3, 1) \
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F(CreateDateTimeFormat, 3, 1) \
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F(CreateNumberFormat, 3, 1) \
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F(CurrencyDigits, 1, 1) \
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F(DateCacheVersion, 0, 1) \
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F(DefaultNumberOption, 5, 1) \
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F(DefineWEProperty, 3, 1) \
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F(FormatList, 2, 1) \
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F(FormatListToParts, 2, 1) \
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F(GetDefaultICULocale, 0, 1) \
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F(GetNumberOption, 5, 1) \
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F(IntlUnwrapReceiver, 5, 1) \
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F(IsInitializedIntlObjectOfType, 2, 1) \
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F(IsWellFormedCurrencyCode, 1, 1) \
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F(MarkAsInitializedIntlObjectOfType, 2, 1) \
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F(ParseExtension, 1, 1) \
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F(PluralRulesResolvedOptions, 1, 1) \
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F(PluralRulesSelect, 2, 1) \
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F(ToDateTimeOptions, 3, 1) \
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F(ToLocaleDateTime, 6, 1) \
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F(StringToLowerCaseIntl, 1, 1) \
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F(StringToUpperCaseIntl, 1, 1) \
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F(SupportedLocalesOf, 3, 1) \
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// End of macro.
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#else
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#define FOR_EACH_INTRINSIC_INTL(F)
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#endif // V8_INTL_SUPPORT
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#define FOR_EACH_INTRINSIC_INTERNAL(F) \
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F(AllocateInNewSpace, 1, 1) \
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F(AllocateInTargetSpace, 2, 1) \
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F(AllocateSeqOneByteString, 1, 1) \
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F(AllocateSeqTwoByteString, 1, 1) \
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F(AllowDynamicFunction, 1, 1) \
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F(CheckIsBootstrapping, 0, 1) \
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F(CreateAsyncFromSyncIterator, 1, 1) \
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F(CreateListFromArrayLike, 1, 1) \
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F(CreateTemplateObject, 1, 1) \
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F(DeserializeLazy, 1, 1) \
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F(ExportFromRuntime, 1, 1) \
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F(GetAndResetRuntimeCallStats, -1 /* <= 2 */, 1) \
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F(IncrementUseCounter, 1, 1) \
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F(InstallToContext, 1, 1) \
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F(Interrupt, 0, 1) \
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F(IS_VAR, 1, 1) \
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F(NewReferenceError, 2, 1) \
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F(NewSyntaxError, 2, 1) \
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F(NewTypeError, 2, 1) \
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F(OrdinaryHasInstance, 2, 1) \
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F(PromoteScheduledException, 0, 1) \
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F(ReportMessage, 1, 1) \
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F(ReThrow, 1, 1) \
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F(RunMicrotaskCallback, 2, 1) \
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F(RunMicrotasks, 0, 1) \
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F(StackGuard, 0, 1) \
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F(Throw, 1, 1) \
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F(ThrowApplyNonFunction, 1, 1) \
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F(ThrowCalledNonCallable, 1, 1) \
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F(ThrowConstructedNonConstructable, 1, 1) \
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F(ThrowConstructorReturnedNonObject, 0, 1) \
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F(ThrowInvalidStringLength, 0, 1) \
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F(ThrowInvalidTypedArrayAlignment, 2, 1) \
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F(ThrowIteratorResultNotAnObject, 1, 1) \
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F(ThrowNotConstructor, 1, 1) \
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F(ThrowRangeError, -1 /* >= 1 */, 1) \
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F(ThrowReferenceError, 1, 1) \
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F(ThrowStackOverflow, 0, 1) \
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F(ThrowSymbolAsyncIteratorInvalid, 0, 1) \
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F(ThrowSymbolIteratorInvalid, 0, 1) \
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F(ThrowThrowMethodMissing, 0, 1) \
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F(ThrowTypeError, -1 /* >= 1 */, 1) \
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F(Typeof, 1, 1) \
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F(UnwindAndFindExceptionHandler, 0, 1)
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#define FOR_EACH_INTRINSIC_LITERALS(F) \
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F(CreateArrayLiteral, 4, 1) \
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F(CreateArrayLiteralWithoutAllocationSite, 2, 1) \
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F(CreateObjectLiteral, 4, 1) \
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F(CreateObjectLiteralWithoutAllocationSite, 2, 1) \
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F(CreateRegExpLiteral, 4, 1)
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#define FOR_EACH_INTRINSIC_MATHS(F) F(GenerateRandomNumbers, 0, 1)
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#define FOR_EACH_INTRINSIC_MODULE(F) \
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F(DynamicImportCall, 2, 1) \
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F(GetImportMetaObject, 0, 1) \
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F(GetModuleNamespace, 1, 1)
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#define FOR_EACH_INTRINSIC_NUMBERS(F) \
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F(GetHoleNaNLower, 0, 1) \
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F(GetHoleNaNUpper, 0, 1) \
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F(IsSmi, 1, 1) \
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F(IsValidSmi, 1, 1) \
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F(MaxSmi, 0, 1) \
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F(NumberToString, 1, 1) \
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F(SmiLexicographicCompare, 2, 1) \
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F(StringParseFloat, 1, 1) \
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F(StringParseInt, 2, 1) \
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F(StringToNumber, 1, 1)
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#define FOR_EACH_INTRINSIC_OBJECT(F) \
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F(AddDictionaryProperty, 3, 1) \
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F(AddElement, 3, 1) \
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F(AddNamedProperty, 4, 1) \
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F(AddPrivateField, 3, 1) \
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F(AllocateHeapNumber, 0, 1) \
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F(ClassOf, 1, 1) \
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F(CollectTypeProfile, 3, 1) \
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F(CompleteInobjectSlackTrackingForMap, 1, 1) \
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F(CopyDataProperties, 2, 1) \
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F(CopyDataPropertiesWithExcludedProperties, -1 /* >= 1 */, 1) \
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F(CreateDataProperty, 3, 1) \
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F(CreateIterResultObject, 2, 1) \
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F(DefineAccessorPropertyUnchecked, 5, 1) \
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F(DefineDataPropertyInLiteral, 6, 1) \
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F(DefineGetterPropertyUnchecked, 4, 1) \
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F(DefineMethodsInternal, 3, 1) \
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F(DefineSetterPropertyUnchecked, 4, 1) \
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F(DeleteProperty, 3, 1) \
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F(GetFunctionName, 1, 1) \
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F(GetOwnPropertyDescriptor, 2, 1) \
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F(GetOwnPropertyKeys, 2, 1) \
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F(GetProperty, 2, 1) \
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F(GetPrototype, 1, 1) \
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F(HasFastPackedElements, 1, 1) \
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F(HasInPrototypeChain, 2, 1) \
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F(HasProperty, 2, 1) \
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F(InternalSetPrototype, 2, 1) \
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F(IsJSReceiver, 1, 1) \
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F(KeyedGetProperty, 2, 1) \
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F(NewObject, 2, 1) \
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F(ObjectCreate, 2, 1) \
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F(ObjectEntries, 1, 1) \
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F(ObjectEntriesSkipFastPath, 1, 1) \
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F(ObjectHasOwnProperty, 2, 1) \
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F(ObjectKeys, 1, 1) \
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F(ObjectGetOwnPropertyNames, 1, 1) \
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F(ObjectGetOwnPropertyNamesTryFast, 1, 1) \
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F(ObjectValues, 1, 1) \
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F(ObjectValuesSkipFastPath, 1, 1) \
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F(OptimizeObjectForAddingMultipleProperties, 2, 1) \
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F(SameValue, 2, 1) \
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F(SameValueZero, 2, 1) \
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F(SetDataProperties, 2, 1) \
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F(SetProperty, 4, 1) \
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F(ShrinkPropertyDictionary, 1, 1) \
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F(ToFastProperties, 1, 1) \
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F(ToInteger, 1, 1) \
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F(ToLength, 1, 1) \
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F(ToName, 1, 1) \
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F(ToNumber, 1, 1) \
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F(ToNumeric, 1, 1) \
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F(ToObject, 1, 1) \
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F(ToPrimitive, 1, 1) \
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F(ToPrimitive_Number, 1, 1) \
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F(ToString, 1, 1) \
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F(TryMigrateInstance, 1, 1) \
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F(ValueOf, 1, 1)
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#define FOR_EACH_INTRINSIC_OPERATORS(F) \
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F(Add, 2, 1) \
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F(Equal, 2, 1) \
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F(GreaterThan, 2, 1) \
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F(GreaterThanOrEqual, 2, 1) \
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F(LessThan, 2, 1) \
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F(LessThanOrEqual, 2, 1) \
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F(NotEqual, 2, 1) \
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F(StrictEqual, 2, 1) \
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F(StrictNotEqual, 2, 1)
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#define FOR_EACH_INTRINSIC_PROMISE(F) \
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F(EnqueueMicrotask, 1, 1) \
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F(PromiseHookAfter, 1, 1) \
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F(PromiseHookBefore, 1, 1) \
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F(PromiseHookInit, 2, 1) \
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F(AwaitPromisesInit, 3, 1) \
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F(PromiseMarkAsHandled, 1, 1) \
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F(PromiseRejectEventFromStack, 2, 1) \
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F(PromiseResult, 1, 1) \
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F(PromiseRevokeReject, 1, 1) \
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F(PromiseStatus, 1, 1) \
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F(RejectPromise, 3, 1) \
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F(ResolvePromise, 2, 1) \
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F(PromiseRejectAfterResolved, 2, 1) \
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F(PromiseResolveAfterResolved, 2, 1)
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#define FOR_EACH_INTRINSIC_PROXY(F) \
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F(CheckProxyGetSetTrapResult, 2, 1) \
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F(CheckProxyHasTrap, 2, 1) \
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F(GetPropertyWithReceiver, 3, 1) \
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F(IsJSProxy, 1, 1) \
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F(JSProxyGetHandler, 1, 1) \
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F(JSProxyGetTarget, 1, 1) \
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F(SetPropertyWithReceiver, 5, 1)
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#define FOR_EACH_INTRINSIC_REGEXP(F) \
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F(IsRegExp, 1, 1) \
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F(RegExpExec, 4, 1) \
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F(RegExpExecMultiple, 4, 1) \
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F(RegExpInitializeAndCompile, 3, 1) \
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F(RegExpInternalReplace, 3, 1) \
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F(RegExpReplace, 3, 1) \
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F(RegExpSplit, 3, 1) \
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F(StringReplaceNonGlobalRegExpWithFunction, 3, 1) \
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F(StringSplit, 3, 1)
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#define FOR_EACH_INTRINSIC_SCOPES(F) \
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F(DeclareEvalFunction, 2, 1) \
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F(DeclareEvalVar, 1, 1) \
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F(DeclareGlobals, 3, 1) \
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F(DeleteLookupSlot, 1, 1) \
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F(LoadLookupSlot, 1, 1) \
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F(LoadLookupSlotInsideTypeof, 1, 1) \
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F(NewArgumentsElements, 3, 1) \
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\
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F(NewClosure, 2, 1) \
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F(NewClosure_Tenured, 2, 1) \
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F(NewFunctionContext, 1, 1) \
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F(NewRestParameter, 1, 1) \
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F(NewScriptContext, 1, 1) \
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F(NewSloppyArguments, 3, 1) \
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F(NewSloppyArguments_Generic, 1, 1) \
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F(NewStrictArguments, 1, 1) \
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F(PushBlockContext, 1, 1) \
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F(PushCatchContext, 2, 1) \
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F(PushModuleContext, 2, 1) \
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F(PushWithContext, 2, 1) \
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F(StoreLookupSlot_Sloppy, 2, 1) \
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F(StoreLookupSlot_SloppyHoisting, 2, 1) \
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F(StoreLookupSlot_Strict, 2, 1) \
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F(ThrowConstAssignError, 0, 1)
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#define FOR_EACH_INTRINSIC_STRINGS(F) \
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F(FlattenString, 1, 1) \
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F(GetSubstitution, 5, 1) \
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F(InternalizeString, 1, 1) \
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F(SparseJoinWithSeparator, 3, 1) \
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F(StringAdd, 2, 1) \
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F(StringBuilderConcat, 3, 1) \
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F(StringBuilderJoin, 3, 1) \
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F(StringCharCodeAt, 2, 1) \
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F(StringCharFromCode, 1, 1) \
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F(StringEqual, 2, 1) \
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F(StringGreaterThan, 2, 1) \
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F(StringGreaterThanOrEqual, 2, 1) \
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F(StringIncludes, 3, 1) \
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F(StringIndexOf, 3, 1) \
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F(StringIndexOfUnchecked, 3, 1) \
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F(StringLastIndexOf, 2, 1) \
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F(StringLessThan, 2, 1) \
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F(StringLessThanOrEqual, 2, 1) \
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F(StringMaxLength, 0, 1) \
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F(StringNotEqual, 2, 1) \
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F(StringReplaceOneCharWithString, 3, 1) \
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F(StringSubstring, 3, 1) \
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F(StringToArray, 2, 1) \
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F(StringTrim, 2, 1)
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#define FOR_EACH_INTRINSIC_SYMBOL(F) \
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F(CreatePrivateFieldSymbol, 0, 1) \
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F(CreatePrivateSymbol, -1 /* <= 1 */, 1) \
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F(SymbolDescriptiveString, 1, 1) \
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F(SymbolIsPrivate, 1, 1)
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#define FOR_EACH_INTRINSIC_TEST(F) \
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F(Abort, 1, 1) \
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F(AbortJS, 1, 1) \
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F(ClearFunctionFeedback, 1, 1) \
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F(CompleteInobjectSlackTracking, 1, 1) \
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F(ConstructConsString, 2, 1) \
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F(ConstructSlicedString, 2, 1) \
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F(ConstructDouble, 2, 1) \
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F(DebugPrint, 1, 1) \
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F(DebugTrace, 0, 1) \
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F(DebugTrackRetainingPath, -1, 1) \
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F(DeoptimizeFunction, 1, 1) \
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F(DeoptimizeNow, 0, 1) \
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F(DeserializeWasmModule, 2, 1) \
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F(DisallowCodegenFromStrings, 1, 1) \
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F(DisallowWasmCodegen, 1, 1) \
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F(DisassembleFunction, 1, 1) \
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F(FreezeWasmLazyCompilation, 1, 1) \
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F(GetCallable, 0, 1) \
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F(GetDeoptCount, 1, 1) \
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F(GetOptimizationStatus, -1, 1) \
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F(GetUndetectable, 0, 1) \
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F(GetWasmRecoveredTrapCount, 0, 1) \
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F(GlobalPrint, 1, 1) \
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F(HasDictionaryElements, 1, 1) \
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F(HasDoubleElements, 1, 1) \
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F(HasFastElements, 1, 1) \
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F(HasFastProperties, 1, 1) \
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F(HasFixedBigInt64Elements, 1, 1) \
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F(HasFixedBigUint64Elements, 1, 1) \
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F(HasFixedFloat32Elements, 1, 1) \
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F(HasFixedFloat64Elements, 1, 1) \
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F(HasFixedInt16Elements, 1, 1) \
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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(HasSloppyArgumentsElements, 1, 1) \
|
F(HasSmiElements, 1, 1) \
|
F(HasSmiOrObjectElements, 1, 1) \
|
F(HaveSameMap, 2, 1) \
|
F(HeapObjectVerify, 1, 1) \
|
F(InNewSpace, 1, 1) \
|
F(IsAsmWasmCode, 1, 1) \
|
F(IsConcurrentRecompilationSupported, 0, 1) \
|
F(WasmTierUpFunction, 2, 1) \
|
F(IsLiftoffFunction, 1, 1) \
|
F(IsWasmCode, 1, 1) \
|
F(IsWasmTrapHandlerEnabled, 0, 1) \
|
F(NeverOptimizeFunction, 1, 1) \
|
F(NotifyContextDisposed, 0, 1) \
|
F(OptimizeFunctionOnNextCall, -1, 1) \
|
F(OptimizeOsr, -1, 1) \
|
F(PrintWithNameForAssert, 2, 1) \
|
F(RedirectToWasmInterpreter, 2, 1) \
|
F(RunningInSimulator, 0, 1) \
|
F(SerializeWasmModule, 1, 1) \
|
F(SetAllocationTimeout, -1 /* 2 || 3 */, 1) \
|
F(SetForceSlowPath, 1, 1) \
|
F(SetWasmCompileControls, 2, 1) \
|
F(SetWasmInstantiateControls, 0, 1) \
|
F(ArraySpeciesProtector, 0, 1) \
|
F(TypedArraySpeciesProtector, 0, 1) \
|
F(PromiseSpeciesProtector, 0, 1) \
|
F(SystemBreak, 0, 1) \
|
F(TraceEnter, 0, 1) \
|
F(TraceExit, 1, 1) \
|
F(UnblockConcurrentRecompilation, 0, 1) \
|
F(WasmGetNumberOfInstances, 1, 1) \
|
F(WasmNumInterpretedCalls, 1, 1) \
|
F(WasmTraceMemory, 1, 1) \
|
F(WasmMemoryHasFullGuardRegion, 1, 1) \
|
F(SetWasmThreadsEnabled, 1, 1)
|
|
#define FOR_EACH_INTRINSIC_TYPEDARRAY(F) \
|
F(ArrayBufferNeuter, 1, 1) \
|
F(ArrayBufferViewWasNeutered, 1, 1) \
|
F(IsTypedArray, 1, 1) \
|
F(TypedArrayCopyElements, 3, 1) \
|
F(TypedArrayGetBuffer, 1, 1) \
|
F(TypedArrayGetLength, 1, 1) \
|
F(TypedArraySet, 2, 1) \
|
F(TypedArraySortFast, 1, 1)
|
|
#define FOR_EACH_INTRINSIC_WASM(F) \
|
F(ThrowWasmError, 1, 1) \
|
F(ThrowWasmStackOverflow, 0, 1) \
|
F(WasmExceptionGetElement, 1, 1) \
|
F(WasmExceptionSetElement, 2, 1) \
|
F(WasmGetExceptionRuntimeId, 0, 1) \
|
F(WasmGrowMemory, 2, 1) \
|
F(WasmRunInterpreter, 2, 1) \
|
F(WasmStackGuard, 0, 1) \
|
F(WasmThrow, 0, 1) \
|
F(WasmThrowCreate, 2, 1) \
|
F(WasmThrowTypeError, 0, 1) \
|
F(WasmCompileLazy, 2, 1)
|
|
#define FOR_EACH_INTRINSIC_RETURN_PAIR(F) \
|
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) \
|
F(ElementsTransitionAndStoreIC_Miss, 6, 1) \
|
F(KeyedLoadIC_Miss, 4, 1) \
|
F(KeyedStoreIC_Miss, 5, 1) \
|
F(KeyedStoreIC_Slow, 5, 1) \
|
F(LoadAccessorProperty, 4, 1) \
|
F(LoadCallbackProperty, 4, 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(StoreCallbackProperty, 6, 1) \
|
F(StoreGlobalIC_Miss, 4, 1) \
|
F(StoreGlobalIC_Slow, 5, 1) \
|
F(StoreIC_Miss, 5, 1) \
|
F(StoreInArrayLiteralIC_Slow, 5, 1) \
|
F(StorePropertyWithInterceptor, 5, 1) \
|
F(CloneObjectIC_Miss, 4, 1) \
|
F(CloneObjectIC_Slow, 2, 1)
|
|
#define FOR_EACH_INTRINSIC_RETURN_OBJECT(F) \
|
FOR_EACH_INTRINSIC_ARRAY(F) \
|
FOR_EACH_INTRINSIC_ATOMICS(F) \
|
FOR_EACH_INTRINSIC_BIGINT(F) \
|
FOR_EACH_INTRINSIC_CLASSES(F) \
|
FOR_EACH_INTRINSIC_COLLECTIONS(F) \
|
FOR_EACH_INTRINSIC_COMPILER(F) \
|
FOR_EACH_INTRINSIC_DATE(F) \
|
FOR_EACH_INTRINSIC_DEBUG(F) \
|
FOR_EACH_INTRINSIC_FORIN(F) \
|
FOR_EACH_INTRINSIC_FUNCTION(F) \
|
FOR_EACH_INTRINSIC_GENERATOR(F) \
|
FOR_EACH_INTRINSIC_IC(F) \
|
FOR_EACH_INTRINSIC_INTERNAL(F) \
|
FOR_EACH_INTRINSIC_INTERPRETER(F) \
|
FOR_EACH_INTRINSIC_INTL(F) \
|
FOR_EACH_INTRINSIC_LITERALS(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_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;
|
|
// 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);
|
|
// 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_WARN_UNUSED_RESULT static Maybe<bool> DeleteObjectProperty(
|
Isolate* isolate, Handle<JSReceiver> receiver, Handle<Object> key,
|
LanguageMode language_mode);
|
|
V8_WARN_UNUSED_RESULT static MaybeHandle<Object> SetObjectProperty(
|
Isolate* isolate, Handle<Object> object, Handle<Object> key,
|
Handle<Object> value, LanguageMode language_mode);
|
|
V8_WARN_UNUSED_RESULT static MaybeHandle<Object> GetObjectProperty(
|
Isolate* isolate, Handle<Object> object, Handle<Object> key,
|
bool* is_found_out = nullptr);
|
|
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:
|
#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() {}
|
#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;
|
|
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> {};
|
|
// 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,
|
};
|
|
} // namespace internal
|
} // namespace v8
|
|
#endif // V8_RUNTIME_RUNTIME_H_
|
