1 // Copyright 2012 the V8 project authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef V8_RUNTIME_RUNTIME_H_ 6 #define V8_RUNTIME_RUNTIME_H_ 7 8 #include <memory> 9 10 #include "src/allocation.h" 11 #include "src/base/platform/time.h" 12 #include "src/elements-kind.h" 13 #include "src/globals.h" 14 #include "src/unicode.h" 15 #include "src/zone/zone.h" 16 17 namespace v8 { 18 namespace internal { 19 20 // * Each intrinsic is consistently exposed in JavaScript via 2 names: 21 // * %#name, which is always a runtime call. 22 // * %_#name, which can be inlined or just a runtime call, the compiler in 23 // question decides. 24 // 25 // * IntrinsicTypes are Runtime::RUNTIME and Runtime::INLINE, respectively. 26 // 27 // * IDs are Runtime::k##name and Runtime::kInline##name, respectively. 28 // 29 // * All intrinsics have a C++ implementation Runtime_##name. 30 // 31 // * Each compiler has an explicit list of intrisics it supports, falling back 32 // to a simple runtime call if necessary. 33 34 35 // Entries have the form F(name, number of arguments, number of values): 36 // A variable number of arguments is specified by a -1, additional restrictions 37 // are specified by inline comments 38 39 #define FOR_EACH_INTRINSIC_ARRAY(F) \ 40 F(FinishArrayPrototypeSetup, 1, 1) \ 41 F(SpecialArrayFunctions, 0, 1) \ 42 F(TransitionElementsKind, 2, 1) \ 43 F(RemoveArrayHoles, 2, 1) \ 44 F(MoveArrayContents, 2, 1) \ 45 F(EstimateNumberOfElements, 1, 1) \ 46 F(GetArrayKeys, 2, 1) \ 47 F(NewArray, -1 /* >= 3 */, 1) \ 48 F(FunctionBind, -1, 1) \ 49 F(NormalizeElements, 1, 1) \ 50 F(GrowArrayElements, 2, 1) \ 51 F(HasComplexElements, 1, 1) \ 52 F(IsArray, 1, 1) \ 53 F(ArrayIsArray, 1, 1) \ 54 F(FixedArrayGet, 2, 1) \ 55 F(FixedArraySet, 3, 1) \ 56 F(ArraySpeciesConstructor, 1, 1) \ 57 F(ArrayIncludes_Slow, 3, 1) \ 58 F(ArrayIndexOf, 3, 1) \ 59 F(SpreadIterablePrepare, 1, 1) \ 60 F(SpreadIterableFixed, 1, 1) 61 62 #define FOR_EACH_INTRINSIC_ATOMICS(F) \ 63 F(ThrowNotIntegerSharedTypedArrayError, 1, 1) \ 64 F(ThrowNotInt32SharedTypedArrayError, 1, 1) \ 65 F(ThrowInvalidAtomicAccessIndexError, 0, 1) \ 66 F(AtomicsCompareExchange, 4, 1) \ 67 F(AtomicsAdd, 3, 1) \ 68 F(AtomicsSub, 3, 1) \ 69 F(AtomicsAnd, 3, 1) \ 70 F(AtomicsOr, 3, 1) \ 71 F(AtomicsXor, 3, 1) \ 72 F(AtomicsExchange, 3, 1) \ 73 F(AtomicsIsLockFree, 1, 1) \ 74 F(AtomicsWait, 4, 1) \ 75 F(AtomicsWake, 3, 1) \ 76 F(AtomicsNumWaitersForTesting, 2, 1) \ 77 F(SetAllowAtomicsWait, 1, 1) 78 79 #define FOR_EACH_INTRINSIC_CLASSES(F) \ 80 F(ThrowUnsupportedSuperError, 0, 1) \ 81 F(ThrowConstructorNonCallableError, 1, 1) \ 82 F(ThrowStaticPrototypeError, 0, 1) \ 83 F(ThrowSuperAlreadyCalledError, 0, 1) \ 84 F(ThrowNotSuperConstructor, 2, 1) \ 85 F(HomeObjectSymbol, 0, 1) \ 86 F(DefineClass, 4, 1) \ 87 F(InstallClassNameAccessor, 1, 1) \ 88 F(InstallClassNameAccessorWithCheck, 1, 1) \ 89 F(LoadFromSuper, 3, 1) \ 90 F(LoadKeyedFromSuper, 3, 1) \ 91 F(StoreToSuper_Strict, 4, 1) \ 92 F(StoreToSuper_Sloppy, 4, 1) \ 93 F(StoreKeyedToSuper_Strict, 4, 1) \ 94 F(StoreKeyedToSuper_Sloppy, 4, 1) \ 95 F(GetSuperConstructor, 1, 1) 96 97 #define FOR_EACH_INTRINSIC_COLLECTIONS(F) \ 98 F(StringGetRawHashField, 1, 1) \ 99 F(TheHole, 0, 1) \ 100 F(JSCollectionGetTable, 1, 1) \ 101 F(GenericHash, 1, 1) \ 102 F(SetInitialize, 1, 1) \ 103 F(SetGrow, 1, 1) \ 104 F(SetShrink, 1, 1) \ 105 F(SetClear, 1, 1) \ 106 F(SetIteratorInitialize, 3, 1) \ 107 F(SetIteratorClone, 1, 1) \ 108 F(SetIteratorNext, 2, 1) \ 109 F(SetIteratorDetails, 1, 1) \ 110 F(MapInitialize, 1, 1) \ 111 F(MapShrink, 1, 1) \ 112 F(MapClear, 1, 1) \ 113 F(MapGrow, 1, 1) \ 114 F(MapIteratorInitialize, 3, 1) \ 115 F(MapIteratorClone, 1, 1) \ 116 F(MapIteratorDetails, 1, 1) \ 117 F(GetWeakMapEntries, 2, 1) \ 118 F(MapIteratorNext, 2, 1) \ 119 F(WeakCollectionInitialize, 1, 1) \ 120 F(WeakCollectionGet, 3, 1) \ 121 F(WeakCollectionHas, 3, 1) \ 122 F(WeakCollectionDelete, 3, 1) \ 123 F(WeakCollectionSet, 4, 1) \ 124 F(GetWeakSetValues, 2, 1) 125 126 #define FOR_EACH_INTRINSIC_COMPILER(F) \ 127 F(CompileLazy, 1, 1) \ 128 F(CompileBaseline, 1, 1) \ 129 F(CompileOptimized_Concurrent, 1, 1) \ 130 F(CompileOptimized_NotConcurrent, 1, 1) \ 131 F(NotifyStubFailure, 0, 1) \ 132 F(NotifyDeoptimized, 1, 1) \ 133 F(CompileForOnStackReplacement, 1, 1) \ 134 F(TryInstallOptimizedCode, 1, 1) \ 135 F(ResolvePossiblyDirectEval, 6, 1) \ 136 F(InstantiateAsmJs, 4, 1) 137 138 #define FOR_EACH_INTRINSIC_DATE(F) \ 139 F(IsDate, 1, 1) \ 140 F(DateCurrentTime, 0, 1) \ 141 F(ThrowNotDateError, 0, 1) 142 143 #define FOR_EACH_INTRINSIC_DEBUG(F) \ 144 F(HandleDebuggerStatement, 0, 1) \ 145 F(DebugBreak, 1, 1) \ 146 F(DebugBreakOnBytecode, 1, 1) \ 147 F(SetDebugEventListener, 2, 1) \ 148 F(ScheduleBreak, 0, 1) \ 149 F(DebugGetInternalProperties, 1, 1) \ 150 F(DebugGetPropertyDetails, 2, 1) \ 151 F(DebugGetProperty, 2, 1) \ 152 F(DebugPropertyKindFromDetails, 1, 1) \ 153 F(DebugPropertyAttributesFromDetails, 1, 1) \ 154 F(CheckExecutionState, 1, 1) \ 155 F(GetFrameCount, 1, 1) \ 156 F(GetFrameDetails, 2, 1) \ 157 F(GetScopeCount, 2, 1) \ 158 F(GetScopeDetails, 4, 1) \ 159 F(GetAllScopesDetails, 4, 1) \ 160 F(GetFunctionScopeCount, 1, 1) \ 161 F(GetFunctionScopeDetails, 2, 1) \ 162 F(GetGeneratorScopeCount, 1, 1) \ 163 F(GetGeneratorScopeDetails, 2, 1) \ 164 F(SetScopeVariableValue, 6, 1) \ 165 F(DebugPrintScopes, 0, 1) \ 166 F(SetBreakPointsActive, 1, 1) \ 167 F(GetBreakLocations, 2, 1) \ 168 F(SetFunctionBreakPoint, 3, 1) \ 169 F(SetScriptBreakPoint, 4, 1) \ 170 F(ClearBreakPoint, 1, 1) \ 171 F(ChangeBreakOnException, 2, 1) \ 172 F(IsBreakOnException, 1, 1) \ 173 F(PrepareStep, 2, 1) \ 174 F(ClearStepping, 0, 1) \ 175 F(DebugEvaluate, 5, 1) \ 176 F(DebugEvaluateGlobal, 2, 1) \ 177 F(DebugGetLoadedScripts, 0, 1) \ 178 F(DebugReferencedBy, 3, 1) \ 179 F(DebugConstructedBy, 2, 1) \ 180 F(DebugGetPrototype, 1, 1) \ 181 F(DebugSetScriptSource, 2, 1) \ 182 F(FunctionGetInferredName, 1, 1) \ 183 F(FunctionGetDebugName, 1, 1) \ 184 F(GetDebugContext, 0, 1) \ 185 F(CollectGarbage, 1, 1) \ 186 F(GetHeapUsage, 0, 1) \ 187 F(GetScript, 1, 1) \ 188 F(ScriptLineCount, 1, 1) \ 189 F(ScriptLineStartPosition, 2, 1) \ 190 F(ScriptLineEndPosition, 2, 1) \ 191 F(ScriptLocationFromLine, 4, 1) \ 192 F(ScriptLocationFromLine2, 4, 1) \ 193 F(ScriptPositionInfo, 3, 1) \ 194 F(ScriptPositionInfo2, 3, 1) \ 195 F(ScriptSourceLine, 2, 1) \ 196 F(DebugOnFunctionCall, 1, 1) \ 197 F(DebugPrepareStepInSuspendedGenerator, 0, 1) \ 198 F(DebugRecordGenerator, 1, 1) \ 199 F(DebugPushPromise, 1, 1) \ 200 F(DebugPopPromise, 0, 1) \ 201 F(DebugPromiseReject, 2, 1) \ 202 F(DebugAsyncEventEnqueueRecurring, 2, 1) \ 203 F(DebugAsyncFunctionPromiseCreated, 1, 1) \ 204 F(DebugIsActive, 0, 1) \ 205 F(DebugBreakInOptimizedCode, 0, 1) \ 206 F(DebugCollectCoverage, 0, 1) \ 207 F(DebugTogglePreciseCoverage, 1, 1) 208 209 #define FOR_EACH_INTRINSIC_ERROR(F) F(ErrorToString, 1, 1) 210 211 #define FOR_EACH_INTRINSIC_FORIN(F) \ 212 F(ForInEnumerate, 1, 1) \ 213 F(ForInFilter, 2, 1) \ 214 F(ForInHasProperty, 2, 1) 215 216 #define FOR_EACH_INTRINSIC_INTERPRETER(F) \ 217 F(InterpreterNewClosure, 4, 1) \ 218 F(InterpreterTraceBytecodeEntry, 3, 1) \ 219 F(InterpreterTraceBytecodeExit, 3, 1) \ 220 F(InterpreterAdvanceBytecodeOffset, 2, 1) 221 222 #define FOR_EACH_INTRINSIC_FUNCTION(F) \ 223 F(FunctionGetName, 1, 1) \ 224 F(FunctionSetName, 2, 1) \ 225 F(FunctionRemovePrototype, 1, 1) \ 226 F(FunctionGetScript, 1, 1) \ 227 F(FunctionGetScriptId, 1, 1) \ 228 F(FunctionGetSourceCode, 1, 1) \ 229 F(FunctionGetScriptSourcePosition, 1, 1) \ 230 F(FunctionGetContextData, 1, 1) \ 231 F(FunctionSetInstanceClassName, 2, 1) \ 232 F(FunctionSetLength, 2, 1) \ 233 F(FunctionSetPrototype, 2, 1) \ 234 F(FunctionIsAPIFunction, 1, 1) \ 235 F(SetCode, 2, 1) \ 236 F(SetNativeFlag, 1, 1) \ 237 F(IsConstructor, 1, 1) \ 238 F(SetForceInlineFlag, 1, 1) \ 239 F(Call, -1 /* >= 2 */, 1) \ 240 F(ConvertReceiver, 1, 1) \ 241 F(IsFunction, 1, 1) \ 242 F(FunctionToString, 1, 1) 243 244 #define FOR_EACH_INTRINSIC_GENERATOR(F) \ 245 F(CreateJSGeneratorObject, 2, 1) \ 246 F(GeneratorClose, 1, 1) \ 247 F(GeneratorGetFunction, 1, 1) \ 248 F(GeneratorGetReceiver, 1, 1) \ 249 F(GeneratorGetContext, 1, 1) \ 250 F(GeneratorGetInputOrDebugPos, 1, 1) \ 251 F(GeneratorGetContinuation, 1, 1) \ 252 F(GeneratorGetSourcePosition, 1, 1) \ 253 F(GeneratorGetResumeMode, 1, 1) 254 255 #ifdef V8_I18N_SUPPORT 256 #define FOR_EACH_INTRINSIC_I18N(F) \ 257 F(CanonicalizeLanguageTag, 1, 1) \ 258 F(AvailableLocalesOf, 1, 1) \ 259 F(GetDefaultICULocale, 0, 1) \ 260 F(GetLanguageTagVariants, 1, 1) \ 261 F(IsInitializedIntlObject, 1, 1) \ 262 F(IsInitializedIntlObjectOfType, 2, 1) \ 263 F(MarkAsInitializedIntlObjectOfType, 2, 1) \ 264 F(CreateDateTimeFormat, 3, 1) \ 265 F(InternalDateFormat, 2, 1) \ 266 F(InternalDateFormatToParts, 2, 1) \ 267 F(CreateNumberFormat, 3, 1) \ 268 F(InternalNumberFormat, 2, 1) \ 269 F(CreateCollator, 3, 1) \ 270 F(InternalCompare, 3, 1) \ 271 F(StringNormalize, 2, 1) \ 272 F(CreateBreakIterator, 3, 1) \ 273 F(BreakIteratorAdoptText, 2, 1) \ 274 F(BreakIteratorFirst, 1, 1) \ 275 F(BreakIteratorNext, 1, 1) \ 276 F(BreakIteratorCurrent, 1, 1) \ 277 F(BreakIteratorBreakType, 1, 1) \ 278 F(StringToLowerCaseI18N, 1, 1) \ 279 F(StringToUpperCaseI18N, 1, 1) \ 280 F(StringLocaleConvertCase, 3, 1) \ 281 F(DateCacheVersion, 0, 1) 282 #else 283 #define FOR_EACH_INTRINSIC_I18N(F) 284 #endif 285 286 #define FOR_EACH_INTRINSIC_INTERNAL(F) \ 287 F(AllocateInNewSpace, 1, 1) \ 288 F(AllocateInTargetSpace, 2, 1) \ 289 F(AllocateSeqOneByteString, 1, 1) \ 290 F(AllocateSeqTwoByteString, 1, 1) \ 291 F(CheckIsBootstrapping, 0, 1) \ 292 F(CreateAsyncFromSyncIterator, 1, 1) \ 293 F(CreateListFromArrayLike, 1, 1) \ 294 F(GetAndResetRuntimeCallStats, -1 /* <= 2 */, 1) \ 295 F(ExportFromRuntime, 1, 1) \ 296 F(IncrementUseCounter, 1, 1) \ 297 F(InstallToContext, 1, 1) \ 298 F(Interrupt, 0, 1) \ 299 F(IS_VAR, 1, 1) \ 300 F(NewReferenceError, 2, 1) \ 301 F(NewSyntaxError, 2, 1) \ 302 F(NewTypeError, 2, 1) \ 303 F(OrdinaryHasInstance, 2, 1) \ 304 F(PromoteScheduledException, 0, 1) \ 305 F(ReThrow, 1, 1) \ 306 F(RunMicrotasks, 0, 1) \ 307 F(StackGuard, 0, 1) \ 308 F(Throw, 1, 1) \ 309 F(ThrowApplyNonFunction, 1, 1) \ 310 F(ThrowCannotConvertToPrimitive, 0, 1) \ 311 F(ThrowCalledNonCallable, 1, 1) \ 312 F(ThrowCalledOnNullOrUndefined, 1, 1) \ 313 F(ThrowConstructedNonConstructable, 1, 1) \ 314 F(ThrowDerivedConstructorReturnedNonObject, 0, 1) \ 315 F(ThrowGeneratorRunning, 0, 1) \ 316 F(ThrowIllegalInvocation, 0, 1) \ 317 F(ThrowIncompatibleMethodReceiver, 2, 1) \ 318 F(ThrowInvalidHint, 1, 1) \ 319 F(ThrowInvalidStringLength, 0, 1) \ 320 F(ThrowIteratorResultNotAnObject, 1, 1) \ 321 F(ThrowSymbolIteratorInvalid, 0, 1) \ 322 F(ThrowNonCallableInInstanceOfCheck, 0, 1) \ 323 F(ThrowNonObjectInInstanceOfCheck, 0, 1) \ 324 F(ThrowNotConstructor, 1, 1) \ 325 F(ThrowNotGeneric, 1, 1) \ 326 F(ThrowReferenceError, 1, 1) \ 327 F(ThrowStackOverflow, 0, 1) \ 328 F(ThrowSymbolAsyncIteratorInvalid, 0, 1) \ 329 F(ThrowTypeError, -1 /* >= 1 */, 1) \ 330 F(ThrowUndefinedOrNullToObject, 1, 1) \ 331 F(Typeof, 1, 1) \ 332 F(UnwindAndFindExceptionHandler, 0, 1) \ 333 F(AllowDynamicFunction, 1, 1) 334 335 #define FOR_EACH_INTRINSIC_LITERALS(F) \ 336 F(CreateRegExpLiteral, 4, 1) \ 337 F(CreateObjectLiteral, 4, 1) \ 338 F(CreateArrayLiteral, 4, 1) \ 339 F(CreateArrayLiteralStubBailout, 3, 1) 340 341 #define FOR_EACH_INTRINSIC_LIVEEDIT(F) \ 342 F(LiveEditFindSharedFunctionInfosForScript, 1, 1) \ 343 F(LiveEditGatherCompileInfo, 2, 1) \ 344 F(LiveEditReplaceScript, 3, 1) \ 345 F(LiveEditFunctionSourceUpdated, 2, 1) \ 346 F(LiveEditReplaceFunctionCode, 2, 1) \ 347 F(LiveEditFixupScript, 2, 1) \ 348 F(LiveEditFunctionSetScript, 2, 1) \ 349 F(LiveEditReplaceRefToNestedFunction, 3, 1) \ 350 F(LiveEditPatchFunctionPositions, 2, 1) \ 351 F(LiveEditCheckAndDropActivations, 3, 1) \ 352 F(LiveEditCompareStrings, 2, 1) \ 353 F(LiveEditRestartFrame, 2, 1) 354 355 #define FOR_EACH_INTRINSIC_MATHS(F) F(GenerateRandomNumbers, 0, 1) 356 357 #define FOR_EACH_INTRINSIC_MODULE(F) \ 358 F(DynamicImportCall, 1, 1) \ 359 F(GetModuleNamespace, 1, 1) \ 360 F(LoadModuleVariable, 1, 1) \ 361 F(StoreModuleVariable, 2, 1) 362 363 #define FOR_EACH_INTRINSIC_NUMBERS(F) \ 364 F(IsValidSmi, 1, 1) \ 365 F(StringToNumber, 1, 1) \ 366 F(StringParseInt, 2, 1) \ 367 F(StringParseFloat, 1, 1) \ 368 F(NumberToString, 1, 1) \ 369 F(NumberToStringSkipCache, 1, 1) \ 370 F(NumberToSmi, 1, 1) \ 371 F(SmiLexicographicCompare, 2, 1) \ 372 F(MaxSmi, 0, 1) \ 373 F(IsSmi, 1, 1) \ 374 F(GetRootNaN, 0, 1) \ 375 F(GetHoleNaNUpper, 0, 1) \ 376 F(GetHoleNaNLower, 0, 1) 377 378 #define FOR_EACH_INTRINSIC_OBJECT(F) \ 379 F(GetPrototype, 1, 1) \ 380 F(ObjectHasOwnProperty, 2, 1) \ 381 F(ObjectCreate, 2, 1) \ 382 F(InternalSetPrototype, 2, 1) \ 383 F(OptimizeObjectForAddingMultipleProperties, 2, 1) \ 384 F(GetProperty, 2, 1) \ 385 F(KeyedGetProperty, 2, 1) \ 386 F(AddNamedProperty, 4, 1) \ 387 F(SetProperty, 4, 1) \ 388 F(AddElement, 3, 1) \ 389 F(AppendElement, 2, 1) \ 390 F(DeleteProperty_Sloppy, 2, 1) \ 391 F(DeleteProperty_Strict, 2, 1) \ 392 F(HasProperty, 2, 1) \ 393 F(GetOwnPropertyKeys, 2, 1) \ 394 F(GetInterceptorInfo, 1, 1) \ 395 F(ToFastProperties, 1, 1) \ 396 F(AllocateHeapNumber, 0, 1) \ 397 F(NewObject, 2, 1) \ 398 F(FinalizeInstanceSize, 1, 1) \ 399 F(LoadMutableDouble, 2, 1) \ 400 F(TryMigrateInstance, 1, 1) \ 401 F(IsJSGlobalProxy, 1, 1) \ 402 F(DefineAccessorPropertyUnchecked, 5, 1) \ 403 F(DefineDataPropertyInLiteral, 6, 1) \ 404 F(GetDataProperty, 2, 1) \ 405 F(GetConstructorName, 1, 1) \ 406 F(HasFastPackedElements, 1, 1) \ 407 F(ValueOf, 1, 1) \ 408 F(IsJSReceiver, 1, 1) \ 409 F(ClassOf, 1, 1) \ 410 F(CopyDataProperties, 2, 1) \ 411 F(CopyDataPropertiesWithExcludedProperties, -1 /* >= 1 */, 1) \ 412 F(DefineGetterPropertyUnchecked, 4, 1) \ 413 F(DefineSetterPropertyUnchecked, 4, 1) \ 414 F(ToObject, 1, 1) \ 415 F(ToPrimitive, 1, 1) \ 416 F(ToPrimitive_Number, 1, 1) \ 417 F(ToNumber, 1, 1) \ 418 F(ToInteger, 1, 1) \ 419 F(ToLength, 1, 1) \ 420 F(ToString, 1, 1) \ 421 F(ToName, 1, 1) \ 422 F(SameValue, 2, 1) \ 423 F(SameValueZero, 2, 1) \ 424 F(Compare, 3, 1) \ 425 F(HasInPrototypeChain, 2, 1) \ 426 F(CreateIterResultObject, 2, 1) \ 427 F(CreateKeyValueArray, 2, 1) \ 428 F(IsAccessCheckNeeded, 1, 1) \ 429 F(CreateDataProperty, 3, 1) 430 431 #define FOR_EACH_INTRINSIC_OPERATORS(F) \ 432 F(Multiply, 2, 1) \ 433 F(Divide, 2, 1) \ 434 F(Modulus, 2, 1) \ 435 F(Add, 2, 1) \ 436 F(Subtract, 2, 1) \ 437 F(ShiftLeft, 2, 1) \ 438 F(ShiftRight, 2, 1) \ 439 F(ShiftRightLogical, 2, 1) \ 440 F(BitwiseAnd, 2, 1) \ 441 F(BitwiseOr, 2, 1) \ 442 F(BitwiseXor, 2, 1) \ 443 F(Equal, 2, 1) \ 444 F(NotEqual, 2, 1) \ 445 F(StrictEqual, 2, 1) \ 446 F(StrictNotEqual, 2, 1) \ 447 F(LessThan, 2, 1) \ 448 F(GreaterThan, 2, 1) \ 449 F(LessThanOrEqual, 2, 1) \ 450 F(GreaterThanOrEqual, 2, 1) \ 451 F(InstanceOf, 2, 1) 452 453 #define FOR_EACH_INTRINSIC_PROMISE(F) \ 454 F(EnqueueMicrotask, 1, 1) \ 455 F(EnqueuePromiseReactionJob, 1, 1) \ 456 F(EnqueuePromiseResolveThenableJob, 1, 1) \ 457 F(PromiseHookInit, 2, 1) \ 458 F(PromiseHookResolve, 1, 1) \ 459 F(PromiseHookBefore, 1, 1) \ 460 F(PromiseHookAfter, 1, 1) \ 461 F(PromiseMarkAsHandled, 1, 1) \ 462 F(PromiseRejectEventFromStack, 2, 1) \ 463 F(PromiseRevokeReject, 1, 1) \ 464 F(PromiseResult, 1, 1) \ 465 F(PromiseStatus, 1, 1) \ 466 F(ReportPromiseReject, 2, 1) 467 468 #define FOR_EACH_INTRINSIC_PROXY(F) \ 469 F(IsJSProxy, 1, 1) \ 470 F(JSProxyCall, -1 /* >= 2 */, 1) \ 471 F(JSProxyConstruct, -1 /* >= 3 */, 1) \ 472 F(JSProxyGetTarget, 1, 1) \ 473 F(JSProxyGetHandler, 1, 1) \ 474 F(JSProxyRevoke, 1, 1) 475 476 #define FOR_EACH_INTRINSIC_REGEXP(F) \ 477 F(IsRegExp, 1, 1) \ 478 F(RegExpCreate, 1, 1) \ 479 F(RegExpExec, 4, 1) \ 480 F(RegExpExecMultiple, 4, 1) \ 481 F(RegExpExecReThrow, 4, 1) \ 482 F(RegExpInitializeAndCompile, 3, 1) \ 483 F(RegExpInternalReplace, 3, 1) \ 484 F(RegExpReplace, 3, 1) \ 485 F(RegExpSplit, 3, 1) \ 486 F(StringReplaceGlobalRegExpWithString, 4, 1) \ 487 F(StringReplaceNonGlobalRegExpWithFunction, 3, 1) \ 488 F(StringSplit, 3, 1) 489 490 #define FOR_EACH_INTRINSIC_SCOPES(F) \ 491 F(ThrowConstAssignError, 0, 1) \ 492 F(DeclareGlobals, 3, 1) \ 493 F(DeclareGlobalsForInterpreter, 3, 1) \ 494 F(InitializeVarGlobal, 3, 1) \ 495 F(DeclareEvalFunction, 2, 1) \ 496 F(DeclareEvalVar, 1, 1) \ 497 F(NewSloppyArguments_Generic, 1, 1) \ 498 F(NewStrictArguments, 1, 1) \ 499 F(NewRestParameter, 1, 1) \ 500 F(NewSloppyArguments, 3, 1) \ 501 F(NewArgumentsElements, 2, 1) \ 502 F(NewClosure, 3, 1) \ 503 F(NewClosure_Tenured, 3, 1) \ 504 F(NewScriptContext, 2, 1) \ 505 F(NewFunctionContext, 2, 1) \ 506 F(PushModuleContext, 3, 1) \ 507 F(PushWithContext, 3, 1) \ 508 F(PushCatchContext, 4, 1) \ 509 F(PushBlockContext, 2, 1) \ 510 F(DeleteLookupSlot, 1, 1) \ 511 F(LoadLookupSlot, 1, 1) \ 512 F(LoadLookupSlotInsideTypeof, 1, 1) \ 513 F(StoreLookupSlot_Sloppy, 2, 1) \ 514 F(StoreLookupSlot_Strict, 2, 1) 515 516 #define FOR_EACH_INTRINSIC_STRINGS(F) \ 517 F(GetSubstitution, 4, 1) \ 518 F(StringReplaceOneCharWithString, 3, 1) \ 519 F(StringIndexOf, 3, 1) \ 520 F(StringIndexOfUnchecked, 3, 1) \ 521 F(StringLastIndexOf, 2, 1) \ 522 F(SubString, 3, 1) \ 523 F(StringAdd, 2, 1) \ 524 F(InternalizeString, 1, 1) \ 525 F(StringCharCodeAtRT, 2, 1) \ 526 F(StringCompare, 2, 1) \ 527 F(StringBuilderConcat, 3, 1) \ 528 F(StringBuilderJoin, 3, 1) \ 529 F(SparseJoinWithSeparator, 3, 1) \ 530 F(StringToArray, 2, 1) \ 531 F(StringLessThan, 2, 1) \ 532 F(StringLessThanOrEqual, 2, 1) \ 533 F(StringGreaterThan, 2, 1) \ 534 F(StringGreaterThanOrEqual, 2, 1) \ 535 F(StringEqual, 2, 1) \ 536 F(StringNotEqual, 2, 1) \ 537 F(FlattenString, 1, 1) \ 538 F(StringCharFromCode, 1, 1) \ 539 F(ExternalStringGetChar, 2, 1) \ 540 F(StringCharCodeAt, 2, 1) 541 542 #define FOR_EACH_INTRINSIC_SYMBOL(F) \ 543 F(CreateSymbol, 1, 1) \ 544 F(CreatePrivateSymbol, 1, 1) \ 545 F(SymbolDescription, 1, 1) \ 546 F(SymbolDescriptiveString, 1, 1) \ 547 F(SymbolIsPrivate, 1, 1) 548 549 #define FOR_EACH_INTRINSIC_TEST(F) \ 550 F(ConstructDouble, 2, 1) \ 551 F(DeoptimizeFunction, 1, 1) \ 552 F(DeoptimizeNow, 0, 1) \ 553 F(RunningInSimulator, 0, 1) \ 554 F(IsConcurrentRecompilationSupported, 0, 1) \ 555 F(OptimizeFunctionOnNextCall, -1, 1) \ 556 F(InterpretFunctionOnNextCall, 1, 1) \ 557 F(BaselineFunctionOnNextCall, 1, 1) \ 558 F(OptimizeOsr, -1, 1) \ 559 F(NeverOptimizeFunction, 1, 1) \ 560 F(GetOptimizationStatus, -1, 1) \ 561 F(UnblockConcurrentRecompilation, 0, 1) \ 562 F(GetOptimizationCount, 1, 1) \ 563 F(GetUndetectable, 0, 1) \ 564 F(GetCallable, 0, 1) \ 565 F(ClearFunctionFeedback, 1, 1) \ 566 F(CheckWasmWrapperElision, 2, 1) \ 567 F(NotifyContextDisposed, 0, 1) \ 568 F(SetAllocationTimeout, -1 /* 2 || 3 */, 1) \ 569 F(DebugPrint, 1, 1) \ 570 F(DebugTrace, 0, 1) \ 571 F(GetExceptionDetails, 1, 1) \ 572 F(GlobalPrint, 1, 1) \ 573 F(SystemBreak, 0, 1) \ 574 F(SetFlags, 1, 1) \ 575 F(Abort, 1, 1) \ 576 F(AbortJS, 1, 1) \ 577 F(NativeScriptsCount, 0, 1) \ 578 F(GetV8Version, 0, 1) \ 579 F(DisassembleFunction, 1, 1) \ 580 F(TraceEnter, 0, 1) \ 581 F(TraceExit, 1, 1) \ 582 F(TraceTailCall, 0, 1) \ 583 F(HaveSameMap, 2, 1) \ 584 F(InNewSpace, 1, 1) \ 585 F(HasFastSmiElements, 1, 1) \ 586 F(HasFastObjectElements, 1, 1) \ 587 F(HasFastSmiOrObjectElements, 1, 1) \ 588 F(HasFastDoubleElements, 1, 1) \ 589 F(HasFastHoleyElements, 1, 1) \ 590 F(HasDictionaryElements, 1, 1) \ 591 F(HasSloppyArgumentsElements, 1, 1) \ 592 F(HasFixedTypedArrayElements, 1, 1) \ 593 F(HasFastProperties, 1, 1) \ 594 F(HasFixedUint8Elements, 1, 1) \ 595 F(HasFixedInt8Elements, 1, 1) \ 596 F(HasFixedUint16Elements, 1, 1) \ 597 F(HasFixedInt16Elements, 1, 1) \ 598 F(HasFixedUint32Elements, 1, 1) \ 599 F(HasFixedInt32Elements, 1, 1) \ 600 F(HasFixedFloat32Elements, 1, 1) \ 601 F(HasFixedFloat64Elements, 1, 1) \ 602 F(HasFixedUint8ClampedElements, 1, 1) \ 603 F(SpeciesProtector, 0, 1) \ 604 F(SerializeWasmModule, 1, 1) \ 605 F(DeserializeWasmModule, 2, 1) \ 606 F(IsAsmWasmCode, 1, 1) \ 607 F(IsWasmCode, 1, 1) \ 608 F(DisallowCodegenFromStrings, 0, 1) \ 609 F(ValidateWasmInstancesChain, 2, 1) \ 610 F(ValidateWasmModuleState, 1, 1) \ 611 F(ValidateWasmOrphanedInstance, 1, 1) \ 612 F(SetWasmCompileControls, 2, 1) \ 613 F(SetWasmInstantiateControls, 0, 1) \ 614 F(Verify, 1, 1) 615 616 #define FOR_EACH_INTRINSIC_TYPEDARRAY(F) \ 617 F(ArrayBufferGetByteLength, 1, 1) \ 618 F(ArrayBufferSliceImpl, 4, 1) \ 619 F(ArrayBufferNeuter, 1, 1) \ 620 F(TypedArrayInitialize, 6, 1) \ 621 F(TypedArrayInitializeFromArrayLike, 4, 1) \ 622 F(ArrayBufferViewGetByteLength, 1, 1) \ 623 F(ArrayBufferViewGetByteOffset, 1, 1) \ 624 F(TypedArrayGetLength, 1, 1) \ 625 F(TypedArrayGetBuffer, 1, 1) \ 626 F(TypedArraySetFastCases, 3, 1) \ 627 F(TypedArraySortFast, 1, 1) \ 628 F(TypedArrayMaxSizeInHeap, 0, 1) \ 629 F(IsTypedArray, 1, 1) \ 630 F(IsSharedTypedArray, 1, 1) \ 631 F(IsSharedIntegerTypedArray, 1, 1) \ 632 F(IsSharedInteger32TypedArray, 1, 1) 633 634 #define FOR_EACH_INTRINSIC_WASM(F) \ 635 F(WasmGrowMemory, 1, 1) \ 636 F(WasmMemorySize, 0, 1) \ 637 F(ThrowWasmError, 2, 1) \ 638 F(ThrowWasmErrorFromTrapIf, 1, 1) \ 639 F(WasmThrowTypeError, 0, 1) \ 640 F(WasmThrow, 2, 1) \ 641 F(WasmGetCaughtExceptionValue, 1, 1) \ 642 F(WasmRunInterpreter, 3, 1) \ 643 F(WasmStackGuard, 0, 1) 644 645 #define FOR_EACH_INTRINSIC_RETURN_PAIR(F) \ 646 F(LoadLookupSlotForCall, 1, 2) 647 648 #define FOR_EACH_INTRINSIC_RETURN_TRIPLE(F) \ 649 F(ForInPrepare, 1, 3) 650 651 // Most intrinsics are implemented in the runtime/ directory, but ICs are 652 // implemented in ic.cc for now. 653 #define FOR_EACH_INTRINSIC_IC(F) \ 654 F(BinaryOpIC_Miss, 2, 1) \ 655 F(BinaryOpIC_MissWithAllocationSite, 3, 1) \ 656 F(CompareIC_Miss, 3, 1) \ 657 F(ElementsTransitionAndStoreIC_Miss, 6, 1) \ 658 F(KeyedLoadIC_Miss, 4, 1) \ 659 F(KeyedStoreIC_Miss, 5, 1) \ 660 F(KeyedStoreIC_Slow, 5, 1) \ 661 F(LoadElementWithInterceptor, 2, 1) \ 662 F(LoadGlobalIC_Miss, 3, 1) \ 663 F(LoadGlobalIC_Slow, 3, 1) \ 664 F(LoadIC_Miss, 4, 1) \ 665 F(LoadPropertyWithInterceptor, 5, 1) \ 666 F(LoadPropertyWithInterceptorOnly, 3, 1) \ 667 F(StoreCallbackProperty, 6, 1) \ 668 F(StoreIC_Miss, 5, 1) \ 669 F(StorePropertyWithInterceptor, 5, 1) \ 670 F(ToBooleanIC_Miss, 1, 1) \ 671 F(Unreachable, 0, 1) 672 673 #define FOR_EACH_INTRINSIC_RETURN_OBJECT(F) \ 674 FOR_EACH_INTRINSIC_IC(F) \ 675 FOR_EACH_INTRINSIC_ARRAY(F) \ 676 FOR_EACH_INTRINSIC_ATOMICS(F) \ 677 FOR_EACH_INTRINSIC_CLASSES(F) \ 678 FOR_EACH_INTRINSIC_COLLECTIONS(F) \ 679 FOR_EACH_INTRINSIC_COMPILER(F) \ 680 FOR_EACH_INTRINSIC_DATE(F) \ 681 FOR_EACH_INTRINSIC_DEBUG(F) \ 682 FOR_EACH_INTRINSIC_ERROR(F) \ 683 FOR_EACH_INTRINSIC_FORIN(F) \ 684 FOR_EACH_INTRINSIC_INTERPRETER(F) \ 685 FOR_EACH_INTRINSIC_FUNCTION(F) \ 686 FOR_EACH_INTRINSIC_GENERATOR(F) \ 687 FOR_EACH_INTRINSIC_I18N(F) \ 688 FOR_EACH_INTRINSIC_INTERNAL(F) \ 689 FOR_EACH_INTRINSIC_LITERALS(F) \ 690 FOR_EACH_INTRINSIC_LIVEEDIT(F) \ 691 FOR_EACH_INTRINSIC_MATHS(F) \ 692 FOR_EACH_INTRINSIC_MODULE(F) \ 693 FOR_EACH_INTRINSIC_NUMBERS(F) \ 694 FOR_EACH_INTRINSIC_OBJECT(F) \ 695 FOR_EACH_INTRINSIC_OPERATORS(F) \ 696 FOR_EACH_INTRINSIC_PROMISE(F) \ 697 FOR_EACH_INTRINSIC_PROXY(F) \ 698 FOR_EACH_INTRINSIC_REGEXP(F) \ 699 FOR_EACH_INTRINSIC_SCOPES(F) \ 700 FOR_EACH_INTRINSIC_STRINGS(F) \ 701 FOR_EACH_INTRINSIC_SYMBOL(F) \ 702 FOR_EACH_INTRINSIC_TEST(F) \ 703 FOR_EACH_INTRINSIC_TYPEDARRAY(F) \ 704 FOR_EACH_INTRINSIC_WASM(F) 705 706 // FOR_EACH_INTRINSIC defines the list of all intrinsics, coming in 2 flavors, 707 // either returning an object or a pair. 708 #define FOR_EACH_INTRINSIC(F) \ 709 FOR_EACH_INTRINSIC_RETURN_TRIPLE(F) \ 710 FOR_EACH_INTRINSIC_RETURN_PAIR(F) \ 711 FOR_EACH_INTRINSIC_RETURN_OBJECT(F) 712 713 714 #define F(name, nargs, ressize) \ 715 Object* Runtime_##name(int args_length, Object** args_object, \ 716 Isolate* isolate); 717 FOR_EACH_INTRINSIC_RETURN_OBJECT(F) 718 #undef F 719 720 //--------------------------------------------------------------------------- 721 // Runtime provides access to all C++ runtime functions. 722 723 class Runtime : public AllStatic { 724 public: 725 enum FunctionId : int32_t { 726 #define F(name, nargs, ressize) k##name, 727 #define I(name, nargs, ressize) kInline##name, 728 FOR_EACH_INTRINSIC(F) FOR_EACH_INTRINSIC(I) 729 #undef I 730 #undef F 731 kNumFunctions, 732 }; 733 734 enum IntrinsicType { RUNTIME, INLINE }; 735 736 // Intrinsic function descriptor. 737 struct Function { 738 FunctionId function_id; 739 IntrinsicType intrinsic_type; 740 // The JS name of the function. 741 const char* name; 742 743 // For RUNTIME functions, this is the C++ entry point. 744 // For INLINE functions this is the C++ entry point of the fall back. 745 Address entry; 746 747 // The number of arguments expected. nargs is -1 if the function takes 748 // a variable number of arguments. 749 int8_t nargs; 750 // Size of result. Most functions return a single pointer, size 1. 751 int8_t result_size; 752 }; 753 754 static const int kNotFound = -1; 755 756 // Get the intrinsic function with the given name. 757 static const Function* FunctionForName(const unsigned char* name, int length); 758 759 // Get the intrinsic function with the given FunctionId. 760 V8_EXPORT_PRIVATE static const Function* FunctionForId(FunctionId id); 761 762 // Get the intrinsic function with the given function entry address. 763 static const Function* FunctionForEntry(Address ref); 764 765 // Get the runtime intrinsic function table. 766 static const Function* RuntimeFunctionTable(Isolate* isolate); 767 768 MUST_USE_RESULT static Maybe<bool> DeleteObjectProperty( 769 Isolate* isolate, Handle<JSReceiver> receiver, Handle<Object> key, 770 LanguageMode language_mode); 771 772 MUST_USE_RESULT static MaybeHandle<Object> SetObjectProperty( 773 Isolate* isolate, Handle<Object> object, Handle<Object> key, 774 Handle<Object> value, LanguageMode language_mode); 775 776 MUST_USE_RESULT static MaybeHandle<Object> GetObjectProperty( 777 Isolate* isolate, Handle<Object> object, Handle<Object> key, 778 bool* is_found_out = nullptr); 779 780 enum TypedArrayId { 781 // arrayIds below should be synchronized with typedarray.js natives. 782 ARRAY_ID_UINT8 = 1, 783 ARRAY_ID_INT8 = 2, 784 ARRAY_ID_UINT16 = 3, 785 ARRAY_ID_INT16 = 4, 786 ARRAY_ID_UINT32 = 5, 787 ARRAY_ID_INT32 = 6, 788 ARRAY_ID_FLOAT32 = 7, 789 ARRAY_ID_FLOAT64 = 8, 790 ARRAY_ID_UINT8_CLAMPED = 9, 791 ARRAY_ID_FIRST = ARRAY_ID_UINT8, 792 ARRAY_ID_LAST = ARRAY_ID_UINT8_CLAMPED 793 }; 794 795 static void ArrayIdToTypeAndSize(int array_id, ExternalArrayType* type, 796 ElementsKind* fixed_elements_kind, 797 size_t* element_size); 798 799 static MaybeHandle<JSArray> GetInternalProperties(Isolate* isolate, 800 Handle<Object>); 801 }; 802 803 804 class RuntimeState { 805 public: 806 unibrow::Mapping<unibrow::ToUppercase, 128>* to_upper_mapping() { 807 return &to_upper_mapping_; 808 } 809 unibrow::Mapping<unibrow::ToLowercase, 128>* to_lower_mapping() { 810 return &to_lower_mapping_; 811 } 812 813 Runtime::Function* redirected_intrinsic_functions() { 814 return redirected_intrinsic_functions_.get(); 815 } 816 817 void set_redirected_intrinsic_functions( 818 Runtime::Function* redirected_intrinsic_functions) { 819 redirected_intrinsic_functions_.reset(redirected_intrinsic_functions); 820 } 821 822 private: 823 RuntimeState() {} 824 unibrow::Mapping<unibrow::ToUppercase, 128> to_upper_mapping_; 825 unibrow::Mapping<unibrow::ToLowercase, 128> to_lower_mapping_; 826 827 std::unique_ptr<Runtime::Function[]> redirected_intrinsic_functions_; 828 829 friend class Isolate; 830 friend class Runtime; 831 832 DISALLOW_COPY_AND_ASSIGN(RuntimeState); 833 }; 834 835 V8_EXPORT_PRIVATE std::ostream& operator<<(std::ostream&, Runtime::FunctionId); 836 837 //--------------------------------------------------------------------------- 838 // Constants used by interface to runtime functions. 839 840 class AllocateDoubleAlignFlag : public BitField<bool, 0, 1> {}; 841 class AllocateTargetSpace : public BitField<AllocationSpace, 1, 3> {}; 842 843 class DeclareGlobalsEvalFlag : public BitField<bool, 0, 1> {}; 844 class DeclareGlobalsNativeFlag : public BitField<bool, 1, 1> {}; 845 STATIC_ASSERT(LANGUAGE_END == 2); 846 class DeclareGlobalsLanguageMode : public BitField<LanguageMode, 2, 1> {}; 847 848 // A set of bits returned by Runtime_GetOptimizationStatus. 849 // These bits must be in sync with bits defined in test/mjsunit/mjsunit.js 850 enum class OptimizationStatus { 851 kIsFunction = 1 << 0, 852 kNeverOptimize = 1 << 1, 853 kAlwaysOptimize = 1 << 2, 854 kMaybeDeopted = 1 << 3, 855 kOptimized = 1 << 4, 856 kTurboFanned = 1 << 5, 857 kInterpreted = 1 << 6, 858 }; 859 860 } // namespace internal 861 } // namespace v8 862 863 #endif // V8_RUNTIME_RUNTIME_H_ 864
