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_H_ 6 #define V8_RUNTIME_H_ 7 8 #include "src/allocation.h" 9 #include "src/zone.h" 10 11 namespace v8 { 12 namespace internal { 13 14 // The interface to C++ runtime functions. 15 16 // ---------------------------------------------------------------------------- 17 // RUNTIME_FUNCTION_LIST_ALWAYS defines runtime calls available in both 18 // release and debug mode. 19 // This macro should only be used by the macro RUNTIME_FUNCTION_LIST. 20 21 // WARNING: RUNTIME_FUNCTION_LIST_ALWAYS_* is a very large macro that caused 22 // MSVC Intellisense to crash. It was broken into two macros to work around 23 // this problem. Please avoid large recursive macros whenever possible. 24 #define RUNTIME_FUNCTION_LIST_ALWAYS_1(F) \ 25 /* Property access */ \ 26 F(GetProperty, 2, 1) \ 27 F(KeyedGetProperty, 2, 1) \ 28 F(DeleteProperty, 3, 1) \ 29 F(HasOwnProperty, 2, 1) \ 30 F(HasProperty, 2, 1) \ 31 F(HasElement, 2, 1) \ 32 F(IsPropertyEnumerable, 2, 1) \ 33 F(GetPropertyNames, 1, 1) \ 34 F(GetPropertyNamesFast, 1, 1) \ 35 F(GetOwnPropertyNames, 2, 1) \ 36 F(GetOwnElementNames, 1, 1) \ 37 F(GetInterceptorInfo, 1, 1) \ 38 F(GetNamedInterceptorPropertyNames, 1, 1) \ 39 F(GetIndexedInterceptorElementNames, 1, 1) \ 40 F(GetArgumentsProperty, 1, 1) \ 41 F(ToFastProperties, 1, 1) \ 42 F(FinishArrayPrototypeSetup, 1, 1) \ 43 F(SpecialArrayFunctions, 0, 1) \ 44 F(IsSloppyModeFunction, 1, 1) \ 45 F(GetDefaultReceiver, 1, 1) \ 46 \ 47 F(GetPrototype, 1, 1) \ 48 F(SetPrototype, 2, 1) \ 49 F(InternalSetPrototype, 2, 1) \ 50 F(IsInPrototypeChain, 2, 1) \ 51 \ 52 F(GetOwnProperty, 2, 1) \ 53 \ 54 F(IsExtensible, 1, 1) \ 55 F(PreventExtensions, 1, 1) \ 56 \ 57 /* Utilities */ \ 58 F(CheckIsBootstrapping, 0, 1) \ 59 F(GetRootNaN, 0, 1) \ 60 F(Call, -1 /* >= 2 */, 1) \ 61 F(Apply, 5, 1) \ 62 F(GetFunctionDelegate, 1, 1) \ 63 F(GetConstructorDelegate, 1, 1) \ 64 F(DeoptimizeFunction, 1, 1) \ 65 F(ClearFunctionTypeFeedback, 1, 1) \ 66 F(RunningInSimulator, 0, 1) \ 67 F(IsConcurrentRecompilationSupported, 0, 1) \ 68 F(OptimizeFunctionOnNextCall, -1, 1) \ 69 F(NeverOptimizeFunction, 1, 1) \ 70 F(GetOptimizationStatus, -1, 1) \ 71 F(GetOptimizationCount, 1, 1) \ 72 F(UnblockConcurrentRecompilation, 0, 1) \ 73 F(CompileForOnStackReplacement, 1, 1) \ 74 F(SetAllocationTimeout, -1 /* 2 || 3 */, 1) \ 75 F(SetNativeFlag, 1, 1) \ 76 F(SetInlineBuiltinFlag, 1, 1) \ 77 F(StoreArrayLiteralElement, 5, 1) \ 78 F(DebugPrepareStepInIfStepping, 1, 1) \ 79 F(DebugPushPromise, 1, 1) \ 80 F(DebugPopPromise, 0, 1) \ 81 F(DebugPromiseEvent, 1, 1) \ 82 F(DebugPromiseRejectEvent, 2, 1) \ 83 F(DebugAsyncTaskEvent, 1, 1) \ 84 F(FlattenString, 1, 1) \ 85 F(LoadMutableDouble, 2, 1) \ 86 F(TryMigrateInstance, 1, 1) \ 87 F(NotifyContextDisposed, 0, 1) \ 88 \ 89 /* Array join support */ \ 90 F(PushIfAbsent, 2, 1) \ 91 F(ArrayConcat, 1, 1) \ 92 \ 93 /* Conversions */ \ 94 F(ToBool, 1, 1) \ 95 F(Typeof, 1, 1) \ 96 \ 97 F(Booleanize, 2, 1) /* TODO(turbofan): Only temporary */ \ 98 \ 99 F(StringToNumber, 1, 1) \ 100 F(StringParseInt, 2, 1) \ 101 F(StringParseFloat, 1, 1) \ 102 F(StringToLowerCase, 1, 1) \ 103 F(StringToUpperCase, 1, 1) \ 104 F(StringSplit, 3, 1) \ 105 F(CharFromCode, 1, 1) \ 106 F(URIEscape, 1, 1) \ 107 F(URIUnescape, 1, 1) \ 108 \ 109 F(NumberToInteger, 1, 1) \ 110 F(NumberToIntegerMapMinusZero, 1, 1) \ 111 F(NumberToJSUint32, 1, 1) \ 112 F(NumberToJSInt32, 1, 1) \ 113 \ 114 /* Arithmetic operations */ \ 115 F(NumberAdd, 2, 1) \ 116 F(NumberSub, 2, 1) \ 117 F(NumberMul, 2, 1) \ 118 F(NumberDiv, 2, 1) \ 119 F(NumberMod, 2, 1) \ 120 F(NumberUnaryMinus, 1, 1) \ 121 F(NumberImul, 2, 1) \ 122 \ 123 F(StringBuilderConcat, 3, 1) \ 124 F(StringBuilderJoin, 3, 1) \ 125 F(SparseJoinWithSeparator, 3, 1) \ 126 \ 127 /* Bit operations */ \ 128 F(NumberOr, 2, 1) \ 129 F(NumberAnd, 2, 1) \ 130 F(NumberXor, 2, 1) \ 131 \ 132 F(NumberShl, 2, 1) \ 133 F(NumberShr, 2, 1) \ 134 F(NumberSar, 2, 1) \ 135 \ 136 /* Comparisons */ \ 137 F(NumberEquals, 2, 1) \ 138 F(StringEquals, 2, 1) \ 139 \ 140 F(NumberCompare, 3, 1) \ 141 F(SmiLexicographicCompare, 2, 1) \ 142 \ 143 /* Math */ \ 144 F(MathAcos, 1, 1) \ 145 F(MathAsin, 1, 1) \ 146 F(MathAtan, 1, 1) \ 147 F(MathFloorRT, 1, 1) \ 148 F(MathAtan2, 2, 1) \ 149 F(MathExpRT, 1, 1) \ 150 F(RoundNumber, 1, 1) \ 151 F(MathFround, 1, 1) \ 152 F(RemPiO2, 1, 1) \ 153 \ 154 /* Regular expressions */ \ 155 F(RegExpCompile, 3, 1) \ 156 F(RegExpExecMultiple, 4, 1) \ 157 F(RegExpInitializeObject, 6, 1) \ 158 \ 159 /* JSON */ \ 160 F(ParseJson, 1, 1) \ 161 F(BasicJSONStringify, 1, 1) \ 162 F(QuoteJSONString, 1, 1) \ 163 \ 164 /* Strings */ \ 165 F(StringIndexOf, 3, 1) \ 166 F(StringLastIndexOf, 3, 1) \ 167 F(StringLocaleCompare, 2, 1) \ 168 F(StringReplaceGlobalRegExpWithString, 4, 1) \ 169 F(StringReplaceOneCharWithString, 3, 1) \ 170 F(StringMatch, 3, 1) \ 171 F(StringTrim, 3, 1) \ 172 F(StringToArray, 2, 1) \ 173 F(NewStringWrapper, 1, 1) \ 174 F(NewString, 2, 1) \ 175 F(TruncateString, 2, 1) \ 176 \ 177 /* Numbers */ \ 178 F(NumberToRadixString, 2, 1) \ 179 F(NumberToFixed, 2, 1) \ 180 F(NumberToExponential, 2, 1) \ 181 F(NumberToPrecision, 2, 1) \ 182 F(IsValidSmi, 1, 1) \ 183 \ 184 /* Classes support */ \ 185 F(ToMethod, 2, 1) \ 186 F(HomeObjectSymbol, 0, 1) \ 187 F(ThrowNonMethodError, 0, 1) \ 188 F(ThrowUnsupportedSuperError, 0, 1) \ 189 F(LoadFromSuper, 3, 1) 190 191 192 #define RUNTIME_FUNCTION_LIST_ALWAYS_2(F) \ 193 /* Reflection */ \ 194 F(FunctionSetInstanceClassName, 2, 1) \ 195 F(FunctionSetLength, 2, 1) \ 196 F(FunctionSetPrototype, 2, 1) \ 197 F(FunctionGetName, 1, 1) \ 198 F(FunctionSetName, 2, 1) \ 199 F(FunctionNameShouldPrintAsAnonymous, 1, 1) \ 200 F(FunctionMarkNameShouldPrintAsAnonymous, 1, 1) \ 201 F(FunctionIsGenerator, 1, 1) \ 202 F(FunctionIsArrow, 1, 1) \ 203 F(FunctionIsConciseMethod, 1, 1) \ 204 F(FunctionBindArguments, 4, 1) \ 205 F(BoundFunctionGetBindings, 1, 1) \ 206 F(FunctionRemovePrototype, 1, 1) \ 207 F(FunctionGetSourceCode, 1, 1) \ 208 F(FunctionGetScript, 1, 1) \ 209 F(FunctionGetScriptSourcePosition, 1, 1) \ 210 F(FunctionGetPositionForOffset, 2, 1) \ 211 F(FunctionIsAPIFunction, 1, 1) \ 212 F(FunctionIsBuiltin, 1, 1) \ 213 F(GetScript, 1, 1) \ 214 F(CollectStackTrace, 2, 1) \ 215 F(GetV8Version, 0, 1) \ 216 F(GeneratorGetFunction, 1, 1) \ 217 F(GeneratorGetContext, 1, 1) \ 218 F(GeneratorGetReceiver, 1, 1) \ 219 F(GeneratorGetContinuation, 1, 1) \ 220 F(GeneratorGetSourcePosition, 1, 1) \ 221 \ 222 F(SetCode, 2, 1) \ 223 \ 224 F(CreateApiFunction, 2, 1) \ 225 F(IsTemplate, 1, 1) \ 226 F(GetTemplateField, 2, 1) \ 227 F(DisableAccessChecks, 1, 1) \ 228 F(EnableAccessChecks, 1, 1) \ 229 \ 230 /* Dates */ \ 231 F(DateCurrentTime, 0, 1) \ 232 F(DateParseString, 2, 1) \ 233 F(DateLocalTimezone, 1, 1) \ 234 F(DateToUTC, 1, 1) \ 235 F(DateMakeDay, 2, 1) \ 236 F(DateSetValue, 3, 1) \ 237 F(DateCacheVersion, 0, 1) \ 238 \ 239 /* Globals */ \ 240 F(CompileString, 2, 1) \ 241 \ 242 /* Eval */ \ 243 F(GlobalProxy, 1, 1) \ 244 F(IsAttachedGlobal, 1, 1) \ 245 \ 246 F(AddNamedProperty, 4, 1) \ 247 F(AddPropertyForTemplate, 4, 1) \ 248 F(SetProperty, 4, 1) \ 249 F(AddElement, 4, 1) \ 250 F(DefineApiAccessorProperty, 5, 1) \ 251 F(DefineDataPropertyUnchecked, 4, 1) \ 252 F(DefineAccessorPropertyUnchecked, 5, 1) \ 253 F(GetDataProperty, 2, 1) \ 254 F(SetHiddenProperty, 3, 1) \ 255 \ 256 /* Arrays */ \ 257 F(RemoveArrayHoles, 2, 1) \ 258 F(GetArrayKeys, 2, 1) \ 259 F(MoveArrayContents, 2, 1) \ 260 F(EstimateNumberOfElements, 1, 1) \ 261 F(NormalizeElements, 1, 1) \ 262 \ 263 /* Getters and Setters */ \ 264 F(LookupAccessor, 3, 1) \ 265 \ 266 /* ES5 */ \ 267 F(ObjectFreeze, 1, 1) \ 268 \ 269 /* Harmony modules */ \ 270 F(IsJSModule, 1, 1) \ 271 \ 272 /* Harmony symbols */ \ 273 F(CreateSymbol, 1, 1) \ 274 F(CreatePrivateSymbol, 1, 1) \ 275 F(CreateGlobalPrivateOwnSymbol, 1, 1) \ 276 F(CreatePrivateOwnSymbol, 1, 1) \ 277 F(NewSymbolWrapper, 1, 1) \ 278 F(SymbolDescription, 1, 1) \ 279 F(SymbolRegistry, 0, 1) \ 280 F(SymbolIsPrivate, 1, 1) \ 281 \ 282 /* Harmony proxies */ \ 283 F(CreateJSProxy, 2, 1) \ 284 F(CreateJSFunctionProxy, 4, 1) \ 285 F(IsJSProxy, 1, 1) \ 286 F(IsJSFunctionProxy, 1, 1) \ 287 F(GetHandler, 1, 1) \ 288 F(GetCallTrap, 1, 1) \ 289 F(GetConstructTrap, 1, 1) \ 290 F(Fix, 1, 1) \ 291 \ 292 /* Harmony sets */ \ 293 F(SetInitialize, 1, 1) \ 294 F(SetAdd, 2, 1) \ 295 F(SetHas, 2, 1) \ 296 F(SetDelete, 2, 1) \ 297 F(SetClear, 1, 1) \ 298 F(SetGetSize, 1, 1) \ 299 \ 300 F(SetIteratorInitialize, 3, 1) \ 301 F(SetIteratorNext, 2, 1) \ 302 \ 303 /* Harmony maps */ \ 304 F(MapInitialize, 1, 1) \ 305 F(MapGet, 2, 1) \ 306 F(MapHas, 2, 1) \ 307 F(MapDelete, 2, 1) \ 308 F(MapClear, 1, 1) \ 309 F(MapSet, 3, 1) \ 310 F(MapGetSize, 1, 1) \ 311 \ 312 F(MapIteratorInitialize, 3, 1) \ 313 F(MapIteratorNext, 2, 1) \ 314 \ 315 /* Harmony weak maps and sets */ \ 316 F(WeakCollectionInitialize, 1, 1) \ 317 F(WeakCollectionGet, 2, 1) \ 318 F(WeakCollectionHas, 2, 1) \ 319 F(WeakCollectionDelete, 2, 1) \ 320 F(WeakCollectionSet, 3, 1) \ 321 \ 322 F(GetWeakMapEntries, 1, 1) \ 323 F(GetWeakSetValues, 1, 1) \ 324 \ 325 /* Harmony events */ \ 326 F(EnqueueMicrotask, 1, 1) \ 327 F(RunMicrotasks, 0, 1) \ 328 \ 329 /* Harmony observe */ \ 330 F(IsObserved, 1, 1) \ 331 F(SetIsObserved, 1, 1) \ 332 F(GetObservationState, 0, 1) \ 333 F(ObservationWeakMapCreate, 0, 1) \ 334 F(ObserverObjectAndRecordHaveSameOrigin, 3, 1) \ 335 F(ObjectWasCreatedInCurrentOrigin, 1, 1) \ 336 F(GetObjectContextObjectObserve, 1, 1) \ 337 F(GetObjectContextObjectGetNotifier, 1, 1) \ 338 F(GetObjectContextNotifierPerformChange, 1, 1) \ 339 \ 340 /* Harmony typed arrays */ \ 341 F(ArrayBufferInitialize, 2, 1) \ 342 F(ArrayBufferSliceImpl, 3, 1) \ 343 F(ArrayBufferIsView, 1, 1) \ 344 F(ArrayBufferNeuter, 1, 1) \ 345 \ 346 F(TypedArrayInitializeFromArrayLike, 4, 1) \ 347 F(TypedArrayGetBuffer, 1, 1) \ 348 F(TypedArraySetFastCases, 3, 1) \ 349 \ 350 F(DataViewGetBuffer, 1, 1) \ 351 F(DataViewGetInt8, 3, 1) \ 352 F(DataViewGetUint8, 3, 1) \ 353 F(DataViewGetInt16, 3, 1) \ 354 F(DataViewGetUint16, 3, 1) \ 355 F(DataViewGetInt32, 3, 1) \ 356 F(DataViewGetUint32, 3, 1) \ 357 F(DataViewGetFloat32, 3, 1) \ 358 F(DataViewGetFloat64, 3, 1) \ 359 \ 360 F(DataViewSetInt8, 4, 1) \ 361 F(DataViewSetUint8, 4, 1) \ 362 F(DataViewSetInt16, 4, 1) \ 363 F(DataViewSetUint16, 4, 1) \ 364 F(DataViewSetInt32, 4, 1) \ 365 F(DataViewSetUint32, 4, 1) \ 366 F(DataViewSetFloat32, 4, 1) \ 367 F(DataViewSetFloat64, 4, 1) \ 368 \ 369 /* Statements */ \ 370 F(NewObjectFromBound, 1, 1) \ 371 \ 372 /* Declarations and initialization */ \ 373 F(InitializeVarGlobal, 3, 1) \ 374 F(OptimizeObjectForAddingMultipleProperties, 2, 1) \ 375 \ 376 /* Debugging */ \ 377 F(DebugPrint, 1, 1) \ 378 F(GlobalPrint, 1, 1) \ 379 F(DebugTrace, 0, 1) \ 380 F(TraceEnter, 0, 1) \ 381 F(TraceExit, 1, 1) \ 382 F(Abort, 1, 1) \ 383 F(AbortJS, 1, 1) \ 384 /* ES5 */ \ 385 F(OwnKeys, 1, 1) \ 386 \ 387 /* Message objects */ \ 388 F(MessageGetStartPosition, 1, 1) \ 389 F(MessageGetScript, 1, 1) \ 390 \ 391 /* Pseudo functions - handled as macros by parser */ \ 392 F(IS_VAR, 1, 1) \ 393 \ 394 /* expose boolean functions from objects-inl.h */ \ 395 F(HasFastSmiElements, 1, 1) \ 396 F(HasFastSmiOrObjectElements, 1, 1) \ 397 F(HasFastObjectElements, 1, 1) \ 398 F(HasFastDoubleElements, 1, 1) \ 399 F(HasFastHoleyElements, 1, 1) \ 400 F(HasDictionaryElements, 1, 1) \ 401 F(HasSloppyArgumentsElements, 1, 1) \ 402 F(HasExternalUint8ClampedElements, 1, 1) \ 403 F(HasExternalArrayElements, 1, 1) \ 404 F(HasExternalInt8Elements, 1, 1) \ 405 F(HasExternalUint8Elements, 1, 1) \ 406 F(HasExternalInt16Elements, 1, 1) \ 407 F(HasExternalUint16Elements, 1, 1) \ 408 F(HasExternalInt32Elements, 1, 1) \ 409 F(HasExternalUint32Elements, 1, 1) \ 410 F(HasExternalFloat32Elements, 1, 1) \ 411 F(HasExternalFloat64Elements, 1, 1) \ 412 F(HasFixedUint8ClampedElements, 1, 1) \ 413 F(HasFixedInt8Elements, 1, 1) \ 414 F(HasFixedUint8Elements, 1, 1) \ 415 F(HasFixedInt16Elements, 1, 1) \ 416 F(HasFixedUint16Elements, 1, 1) \ 417 F(HasFixedInt32Elements, 1, 1) \ 418 F(HasFixedUint32Elements, 1, 1) \ 419 F(HasFixedFloat32Elements, 1, 1) \ 420 F(HasFixedFloat64Elements, 1, 1) \ 421 F(HasFastProperties, 1, 1) \ 422 F(TransitionElementsKind, 2, 1) \ 423 F(HaveSameMap, 2, 1) \ 424 F(IsJSGlobalProxy, 1, 1) \ 425 F(ForInInit, 2, 2) /* TODO(turbofan): Only temporary */ \ 426 F(ForInNext, 4, 2) /* TODO(turbofan): Only temporary */ \ 427 F(ForInCacheArrayLength, 2, 1) /* TODO(turbofan): Only temporary */ 428 429 430 #define RUNTIME_FUNCTION_LIST_ALWAYS_3(F) \ 431 /* String and Regexp */ \ 432 F(NumberToStringRT, 1, 1) \ 433 F(RegExpConstructResult, 3, 1) \ 434 F(RegExpExecRT, 4, 1) \ 435 F(StringAdd, 2, 1) \ 436 F(SubString, 3, 1) \ 437 F(InternalizeString, 1, 1) \ 438 F(StringCompare, 2, 1) \ 439 F(StringCharCodeAtRT, 2, 1) \ 440 F(GetFromCache, 2, 1) \ 441 \ 442 /* Compilation */ \ 443 F(CompileLazy, 1, 1) \ 444 F(CompileOptimized, 2, 1) \ 445 F(TryInstallOptimizedCode, 1, 1) \ 446 F(NotifyDeoptimized, 1, 1) \ 447 F(NotifyStubFailure, 0, 1) \ 448 \ 449 /* Utilities */ \ 450 F(AllocateInNewSpace, 1, 1) \ 451 F(AllocateInTargetSpace, 2, 1) \ 452 F(AllocateHeapNumber, 0, 1) \ 453 F(NumberToSmi, 1, 1) \ 454 F(NumberToStringSkipCache, 1, 1) \ 455 \ 456 F(NewArguments, 1, 1) /* TODO(turbofan): Only temporary */ \ 457 F(NewSloppyArguments, 3, 1) \ 458 F(NewStrictArguments, 3, 1) \ 459 \ 460 /* Harmony generators */ \ 461 F(CreateJSGeneratorObject, 0, 1) \ 462 F(SuspendJSGeneratorObject, 1, 1) \ 463 F(ResumeJSGeneratorObject, 3, 1) \ 464 F(ThrowGeneratorStateError, 1, 1) \ 465 \ 466 /* Arrays */ \ 467 F(ArrayConstructor, -1, 1) \ 468 F(InternalArrayConstructor, -1, 1) \ 469 \ 470 /* Literals */ \ 471 F(MaterializeRegExpLiteral, 4, 1) \ 472 F(CreateObjectLiteral, 4, 1) \ 473 F(CreateArrayLiteral, 4, 1) \ 474 F(CreateArrayLiteralStubBailout, 3, 1) \ 475 \ 476 /* Statements */ \ 477 F(NewClosure, 3, 1) \ 478 F(NewClosureFromStubFailure, 1, 1) \ 479 F(NewObject, 1, 1) \ 480 F(NewObjectWithAllocationSite, 2, 1) \ 481 F(FinalizeInstanceSize, 1, 1) \ 482 F(Throw, 1, 1) \ 483 F(ReThrow, 1, 1) \ 484 F(ThrowReferenceError, 1, 1) \ 485 F(ThrowNotDateError, 0, 1) \ 486 F(StackGuard, 0, 1) \ 487 F(Interrupt, 0, 1) \ 488 F(PromoteScheduledException, 0, 1) \ 489 \ 490 /* Contexts */ \ 491 F(NewGlobalContext, 2, 1) \ 492 F(NewFunctionContext, 1, 1) \ 493 F(PushWithContext, 2, 1) \ 494 F(PushCatchContext, 3, 1) \ 495 F(PushBlockContext, 2, 1) \ 496 F(PushModuleContext, 2, 1) \ 497 F(DeleteLookupSlot, 2, 1) \ 498 F(LoadLookupSlot, 2, 2) \ 499 F(LoadLookupSlotNoReferenceError, 2, 2) \ 500 F(StoreLookupSlot, 4, 1) \ 501 \ 502 /* Declarations and initialization */ \ 503 F(DeclareGlobals, 3, 1) \ 504 F(DeclareModules, 1, 1) \ 505 F(DeclareLookupSlot, 4, 1) \ 506 F(InitializeConstGlobal, 2, 1) \ 507 F(InitializeLegacyConstLookupSlot, 3, 1) \ 508 \ 509 /* Eval */ \ 510 F(ResolvePossiblyDirectEval, 6, 2) \ 511 \ 512 /* Maths */ \ 513 F(MathPowSlow, 2, 1) \ 514 F(MathPowRT, 2, 1) 515 516 517 #define RUNTIME_FUNCTION_LIST_DEBUGGER(F) \ 518 /* Debugger support*/ \ 519 F(DebugBreak, 0, 1) \ 520 F(SetDebugEventListener, 2, 1) \ 521 F(Break, 0, 1) \ 522 F(DebugGetPropertyDetails, 2, 1) \ 523 F(DebugGetProperty, 2, 1) \ 524 F(DebugPropertyTypeFromDetails, 1, 1) \ 525 F(DebugPropertyAttributesFromDetails, 1, 1) \ 526 F(DebugPropertyIndexFromDetails, 1, 1) \ 527 F(DebugNamedInterceptorPropertyValue, 2, 1) \ 528 F(DebugIndexedInterceptorElementValue, 2, 1) \ 529 F(CheckExecutionState, 1, 1) \ 530 F(GetFrameCount, 1, 1) \ 531 F(GetFrameDetails, 2, 1) \ 532 F(GetScopeCount, 2, 1) \ 533 F(GetStepInPositions, 2, 1) \ 534 F(GetScopeDetails, 4, 1) \ 535 F(GetAllScopesDetails, 4, 1) \ 536 F(GetFunctionScopeCount, 1, 1) \ 537 F(GetFunctionScopeDetails, 2, 1) \ 538 F(SetScopeVariableValue, 6, 1) \ 539 F(DebugPrintScopes, 0, 1) \ 540 F(GetThreadCount, 1, 1) \ 541 F(GetThreadDetails, 2, 1) \ 542 F(SetDisableBreak, 1, 1) \ 543 F(GetBreakLocations, 2, 1) \ 544 F(SetFunctionBreakPoint, 3, 1) \ 545 F(SetScriptBreakPoint, 4, 1) \ 546 F(ClearBreakPoint, 1, 1) \ 547 F(ChangeBreakOnException, 2, 1) \ 548 F(IsBreakOnException, 1, 1) \ 549 F(PrepareStep, 4, 1) \ 550 F(ClearStepping, 0, 1) \ 551 F(DebugEvaluate, 6, 1) \ 552 F(DebugEvaluateGlobal, 4, 1) \ 553 F(DebugGetLoadedScripts, 0, 1) \ 554 F(DebugReferencedBy, 3, 1) \ 555 F(DebugConstructedBy, 2, 1) \ 556 F(DebugGetPrototype, 1, 1) \ 557 F(DebugSetScriptSource, 2, 1) \ 558 F(DebugCallbackSupportsStepping, 1, 1) \ 559 F(SystemBreak, 0, 1) \ 560 F(DebugDisassembleFunction, 1, 1) \ 561 F(DebugDisassembleConstructor, 1, 1) \ 562 F(FunctionGetInferredName, 1, 1) \ 563 F(LiveEditFindSharedFunctionInfosForScript, 1, 1) \ 564 F(LiveEditGatherCompileInfo, 2, 1) \ 565 F(LiveEditReplaceScript, 3, 1) \ 566 F(LiveEditReplaceFunctionCode, 2, 1) \ 567 F(LiveEditFunctionSourceUpdated, 1, 1) \ 568 F(LiveEditFunctionSetScript, 2, 1) \ 569 F(LiveEditReplaceRefToNestedFunction, 3, 1) \ 570 F(LiveEditPatchFunctionPositions, 2, 1) \ 571 F(LiveEditCheckAndDropActivations, 2, 1) \ 572 F(LiveEditCompareStrings, 2, 1) \ 573 F(LiveEditRestartFrame, 2, 1) \ 574 F(GetFunctionCodePositionFromSource, 2, 1) \ 575 F(ExecuteInDebugContext, 2, 1) \ 576 \ 577 F(SetFlags, 1, 1) \ 578 F(CollectGarbage, 1, 1) \ 579 F(GetHeapUsage, 0, 1) \ 580 581 582 #ifdef V8_I18N_SUPPORT 583 #define RUNTIME_FUNCTION_LIST_I18N_SUPPORT(F) \ 584 /* i18n support */ \ 585 /* Standalone, helper methods. */ \ 586 F(CanonicalizeLanguageTag, 1, 1) \ 587 F(AvailableLocalesOf, 1, 1) \ 588 F(GetDefaultICULocale, 0, 1) \ 589 F(GetLanguageTagVariants, 1, 1) \ 590 F(IsInitializedIntlObject, 1, 1) \ 591 F(IsInitializedIntlObjectOfType, 2, 1) \ 592 F(MarkAsInitializedIntlObjectOfType, 3, 1) \ 593 F(GetImplFromInitializedIntlObject, 1, 1) \ 594 \ 595 /* Date format and parse. */ \ 596 F(CreateDateTimeFormat, 3, 1) \ 597 F(InternalDateFormat, 2, 1) \ 598 F(InternalDateParse, 2, 1) \ 599 \ 600 /* Number format and parse. */ \ 601 F(CreateNumberFormat, 3, 1) \ 602 F(InternalNumberFormat, 2, 1) \ 603 F(InternalNumberParse, 2, 1) \ 604 \ 605 /* Collator. */ \ 606 F(CreateCollator, 3, 1) \ 607 F(InternalCompare, 3, 1) \ 608 \ 609 /* String.prototype.normalize. */ \ 610 F(StringNormalize, 2, 1) \ 611 \ 612 /* Break iterator. */ \ 613 F(CreateBreakIterator, 3, 1) \ 614 F(BreakIteratorAdoptText, 2, 1) \ 615 F(BreakIteratorFirst, 1, 1) \ 616 F(BreakIteratorNext, 1, 1) \ 617 F(BreakIteratorCurrent, 1, 1) \ 618 F(BreakIteratorBreakType, 1, 1) \ 619 620 #else 621 #define RUNTIME_FUNCTION_LIST_I18N_SUPPORT(F) 622 #endif 623 624 625 #ifdef DEBUG 626 #define RUNTIME_FUNCTION_LIST_DEBUG(F) \ 627 /* Testing */ \ 628 F(ListNatives, 0, 1) 629 #else 630 #define RUNTIME_FUNCTION_LIST_DEBUG(F) 631 #endif 632 633 // ---------------------------------------------------------------------------- 634 // RUNTIME_FUNCTION_LIST defines all runtime functions accessed 635 // either directly by id (via the code generator), or indirectly 636 // via a native call by name (from within JS code). 637 // Entries have the form F(name, number of arguments, number of return values). 638 639 #define RUNTIME_FUNCTION_LIST(F) \ 640 RUNTIME_FUNCTION_LIST_ALWAYS_1(F) \ 641 RUNTIME_FUNCTION_LIST_ALWAYS_2(F) \ 642 RUNTIME_FUNCTION_LIST_ALWAYS_3(F) \ 643 RUNTIME_FUNCTION_LIST_DEBUG(F) \ 644 RUNTIME_FUNCTION_LIST_DEBUGGER(F) \ 645 RUNTIME_FUNCTION_LIST_I18N_SUPPORT(F) 646 647 // ---------------------------------------------------------------------------- 648 // INLINE_FUNCTION_LIST defines all inlined functions accessed 649 // with a native call of the form %_name from within JS code. 650 // Entries have the form F(name, number of arguments, number of return values). 651 #define INLINE_FUNCTION_LIST(F) \ 652 F(IsSmi, 1, 1) \ 653 F(IsNonNegativeSmi, 1, 1) \ 654 F(IsArray, 1, 1) \ 655 F(IsRegExp, 1, 1) \ 656 F(IsConstructCall, 0, 1) \ 657 F(CallFunction, -1 /* receiver + n args + function */, 1) \ 658 F(ArgumentsLength, 0, 1) \ 659 F(Arguments, 1, 1) \ 660 F(ValueOf, 1, 1) \ 661 F(SetValueOf, 2, 1) \ 662 F(DateField, 2 /* date object, field index */, 1) \ 663 F(StringCharFromCode, 1, 1) \ 664 F(StringCharAt, 2, 1) \ 665 F(OneByteSeqStringSetChar, 3, 1) \ 666 F(TwoByteSeqStringSetChar, 3, 1) \ 667 F(ObjectEquals, 2, 1) \ 668 F(IsObject, 1, 1) \ 669 F(IsFunction, 1, 1) \ 670 F(IsUndetectableObject, 1, 1) \ 671 F(IsSpecObject, 1, 1) \ 672 F(IsStringWrapperSafeForDefaultValueOf, 1, 1) \ 673 F(MathPow, 2, 1) \ 674 F(IsMinusZero, 1, 1) \ 675 F(HasCachedArrayIndex, 1, 1) \ 676 F(GetCachedArrayIndex, 1, 1) \ 677 F(FastOneByteArrayJoin, 2, 1) \ 678 F(GeneratorNext, 2, 1) \ 679 F(GeneratorThrow, 2, 1) \ 680 F(DebugBreakInOptimizedCode, 0, 1) \ 681 F(ClassOf, 1, 1) \ 682 F(StringCharCodeAt, 2, 1) \ 683 F(StringAdd, 2, 1) \ 684 F(SubString, 3, 1) \ 685 F(StringCompare, 2, 1) \ 686 F(RegExpExec, 4, 1) \ 687 F(RegExpConstructResult, 3, 1) \ 688 F(GetFromCache, 2, 1) \ 689 F(NumberToString, 1, 1) \ 690 F(DebugIsActive, 0, 1) 691 692 693 // ---------------------------------------------------------------------------- 694 // INLINE_OPTIMIZED_FUNCTION_LIST defines all inlined functions accessed 695 // with a native call of the form %_name from within JS code that also have 696 // a corresponding runtime function, that is called from non-optimized code. 697 // For the benefit of (fuzz) tests, the runtime version can also be called 698 // directly as %name (i.e. without the leading underscore). 699 // Entries have the form F(name, number of arguments, number of return values). 700 #define INLINE_OPTIMIZED_FUNCTION_LIST(F) \ 701 /* Typed Arrays */ \ 702 F(TypedArrayInitialize, 5, 1) \ 703 F(DataViewInitialize, 4, 1) \ 704 F(MaxSmi, 0, 1) \ 705 F(TypedArrayMaxSizeInHeap, 0, 1) \ 706 F(ArrayBufferViewGetByteLength, 1, 1) \ 707 F(ArrayBufferViewGetByteOffset, 1, 1) \ 708 F(TypedArrayGetLength, 1, 1) \ 709 /* ArrayBuffer */ \ 710 F(ArrayBufferGetByteLength, 1, 1) \ 711 /* Maths */ \ 712 F(ConstructDouble, 2, 1) \ 713 F(DoubleHi, 1, 1) \ 714 F(DoubleLo, 1, 1) \ 715 F(MathSqrtRT, 1, 1) \ 716 F(MathLogRT, 1, 1) 717 718 719 //--------------------------------------------------------------------------- 720 // Runtime provides access to all C++ runtime functions. 721 722 class RuntimeState { 723 public: 724 StaticResource<ConsStringIteratorOp>* string_iterator() { 725 return &string_iterator_; 726 } 727 unibrow::Mapping<unibrow::ToUppercase, 128>* to_upper_mapping() { 728 return &to_upper_mapping_; 729 } 730 unibrow::Mapping<unibrow::ToLowercase, 128>* to_lower_mapping() { 731 return &to_lower_mapping_; 732 } 733 ConsStringIteratorOp* string_iterator_compare_x() { 734 return &string_iterator_compare_x_; 735 } 736 ConsStringIteratorOp* string_iterator_compare_y() { 737 return &string_iterator_compare_y_; 738 } 739 ConsStringIteratorOp* string_locale_compare_it1() { 740 return &string_locale_compare_it1_; 741 } 742 ConsStringIteratorOp* string_locale_compare_it2() { 743 return &string_locale_compare_it2_; 744 } 745 746 private: 747 RuntimeState() {} 748 // Non-reentrant string buffer for efficient general use in the runtime. 749 StaticResource<ConsStringIteratorOp> string_iterator_; 750 unibrow::Mapping<unibrow::ToUppercase, 128> to_upper_mapping_; 751 unibrow::Mapping<unibrow::ToLowercase, 128> to_lower_mapping_; 752 ConsStringIteratorOp string_iterator_compare_x_; 753 ConsStringIteratorOp string_iterator_compare_y_; 754 ConsStringIteratorOp string_locale_compare_it1_; 755 ConsStringIteratorOp string_locale_compare_it2_; 756 757 friend class Isolate; 758 friend class Runtime; 759 760 DISALLOW_COPY_AND_ASSIGN(RuntimeState); 761 }; 762 763 764 class Runtime : public AllStatic { 765 public: 766 enum FunctionId { 767 #define F(name, nargs, ressize) k##name, 768 RUNTIME_FUNCTION_LIST(F) 769 INLINE_OPTIMIZED_FUNCTION_LIST(F) 770 #undef F 771 #define F(name, nargs, ressize) kInline##name, 772 INLINE_FUNCTION_LIST(F) 773 #undef F 774 #define F(name, nargs, ressize) kInlineOptimized##name, 775 INLINE_OPTIMIZED_FUNCTION_LIST(F) 776 #undef F 777 kNumFunctions, 778 kFirstInlineFunction = kInlineIsSmi 779 }; 780 781 enum IntrinsicType { 782 RUNTIME, 783 INLINE, 784 INLINE_OPTIMIZED 785 }; 786 787 // Intrinsic function descriptor. 788 struct Function { 789 FunctionId function_id; 790 IntrinsicType intrinsic_type; 791 // The JS name of the function. 792 const char* name; 793 794 // The C++ (native) entry point. NULL if the function is inlined. 795 byte* entry; 796 797 // The number of arguments expected. nargs is -1 if the function takes 798 // a variable number of arguments. 799 int nargs; 800 // Size of result. Most functions return a single pointer, size 1. 801 int result_size; 802 }; 803 804 static const int kNotFound = -1; 805 806 // Add internalized strings for all the intrinsic function names to a 807 // StringDictionary. 808 static void InitializeIntrinsicFunctionNames(Isolate* isolate, 809 Handle<NameDictionary> dict); 810 811 // Get the intrinsic function with the given name, which must be internalized. 812 static const Function* FunctionForName(Handle<String> name); 813 814 // Get the intrinsic function with the given FunctionId. 815 static const Function* FunctionForId(FunctionId id); 816 817 // Get the intrinsic function with the given function entry address. 818 static const Function* FunctionForEntry(Address ref); 819 820 // General-purpose helper functions for runtime system. 821 static int StringMatch(Isolate* isolate, 822 Handle<String> sub, 823 Handle<String> pat, 824 int index); 825 826 static bool IsUpperCaseChar(RuntimeState* runtime_state, uint16_t ch); 827 828 // TODO(1240886): Some of the following methods are *not* handle safe, but 829 // accept handle arguments. This seems fragile. 830 831 // Support getting the characters in a string using [] notation as 832 // in Firefox/SpiderMonkey, Safari and Opera. 833 MUST_USE_RESULT static MaybeHandle<Object> GetElementOrCharAt( 834 Isolate* isolate, 835 Handle<Object> object, 836 uint32_t index); 837 838 MUST_USE_RESULT static MaybeHandle<Object> SetObjectProperty( 839 Isolate* isolate, Handle<Object> object, Handle<Object> key, 840 Handle<Object> value, StrictMode strict_mode); 841 842 MUST_USE_RESULT static MaybeHandle<Object> DefineObjectProperty( 843 Handle<JSObject> object, Handle<Object> key, Handle<Object> value, 844 PropertyAttributes attr); 845 846 MUST_USE_RESULT static MaybeHandle<Object> DeleteObjectProperty( 847 Isolate* isolate, 848 Handle<JSReceiver> object, 849 Handle<Object> key, 850 JSReceiver::DeleteMode mode); 851 852 MUST_USE_RESULT static MaybeHandle<Object> HasObjectProperty( 853 Isolate* isolate, 854 Handle<JSReceiver> object, 855 Handle<Object> key); 856 857 MUST_USE_RESULT static MaybeHandle<Object> GetObjectProperty( 858 Isolate* isolate, 859 Handle<Object> object, 860 Handle<Object> key); 861 862 static void SetupArrayBuffer(Isolate* isolate, 863 Handle<JSArrayBuffer> array_buffer, 864 bool is_external, 865 void* data, 866 size_t allocated_length); 867 868 static bool SetupArrayBufferAllocatingData( 869 Isolate* isolate, 870 Handle<JSArrayBuffer> array_buffer, 871 size_t allocated_length, 872 bool initialize = true); 873 874 static void NeuterArrayBuffer(Handle<JSArrayBuffer> array_buffer); 875 876 static void FreeArrayBuffer( 877 Isolate* isolate, 878 JSArrayBuffer* phantom_array_buffer); 879 880 enum TypedArrayId { 881 // arrayIds below should be synchromized with typedarray.js natives. 882 ARRAY_ID_UINT8 = 1, 883 ARRAY_ID_INT8 = 2, 884 ARRAY_ID_UINT16 = 3, 885 ARRAY_ID_INT16 = 4, 886 ARRAY_ID_UINT32 = 5, 887 ARRAY_ID_INT32 = 6, 888 ARRAY_ID_FLOAT32 = 7, 889 ARRAY_ID_FLOAT64 = 8, 890 ARRAY_ID_UINT8_CLAMPED = 9, 891 892 ARRAY_ID_FIRST = ARRAY_ID_UINT8, 893 ARRAY_ID_LAST = ARRAY_ID_UINT8_CLAMPED 894 }; 895 896 static void ArrayIdToTypeAndSize(int array_id, 897 ExternalArrayType *type, 898 ElementsKind* external_elements_kind, 899 ElementsKind* fixed_elements_kind, 900 size_t *element_size); 901 902 // Used in runtime.cc and hydrogen's VisitArrayLiteral. 903 MUST_USE_RESULT static MaybeHandle<Object> CreateArrayLiteralBoilerplate( 904 Isolate* isolate, 905 Handle<FixedArray> literals, 906 Handle<FixedArray> elements); 907 }; 908 909 910 //--------------------------------------------------------------------------- 911 // Constants used by interface to runtime functions. 912 913 class AllocateDoubleAlignFlag: public BitField<bool, 0, 1> {}; 914 class AllocateTargetSpace: public BitField<AllocationSpace, 1, 3> {}; 915 916 class DeclareGlobalsEvalFlag: public BitField<bool, 0, 1> {}; 917 class DeclareGlobalsNativeFlag: public BitField<bool, 1, 1> {}; 918 class DeclareGlobalsStrictMode: public BitField<StrictMode, 2, 1> {}; 919 920 } } // namespace v8::internal 921 922 #endif // V8_RUNTIME_H_ 923
