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