deps/v8/src/runtime/runtime.h

   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 "src/allocation.h"
   9 #include "src/objects.h"
  10 #include "src/zone.h"
  11
  12 namespace v8 {
  13 namespace internal {
  14
  15 // The interface to C++ runtime functions.
  16
  17 // ----------------------------------------------------------------------------
  18 // RUNTIME_FUNCTION_LIST_ALWAYS defines runtime calls available in both
  19 // release and debug mode.
  20 // This macro should only be used by the macro RUNTIME_FUNCTION_LIST.
  21
  22 // WARNING: RUNTIME_FUNCTION_LIST_ALWAYS_* is a very large macro that caused
  23 // MSVC Intellisense to crash.  It was broken into two macros to work around
  24 // this problem. Please avoid large recursive macros whenever possible.
  25 #define RUNTIME_FUNCTION_LIST_ALWAYS_1(F)                  \
  26   /* Property access */                                    \
  27   F(GetProperty, 2, 1)                                     \
  28   F(KeyedGetProperty, 2, 1)                                \
  29   F(DeleteProperty, 3, 1)                                  \
  30   F(HasOwnProperty, 2, 1)                                  \
  31   F(HasProperty, 2, 1)                                     \
  32   F(HasElement, 2, 1)                                      \
  33   F(IsPropertyEnumerable, 2, 1)                            \
  34   F(GetPropertyNames, 1, 1)                                \
  35   F(GetPropertyNamesFast, 1, 1)                            \
  36   F(GetOwnPropertyNames, 2, 1)                             \
  37   F(GetOwnElementNames, 1, 1)                              \
  38   F(GetInterceptorInfo, 1, 1)                              \
  39   F(GetNamedInterceptorPropertyNames, 1, 1)                \
  40   F(GetIndexedInterceptorElementNames, 1, 1)               \
  41   F(GetArgumentsProperty, 1, 1)                            \
  42   F(ToFastProperties, 1, 1)                                \
  43   F(FinishArrayPrototypeSetup, 1, 1)                       \
  44   F(SpecialArrayFunctions, 0, 1)                           \
  45   F(IsSloppyModeFunction, 1, 1)                            \
  46   F(GetDefaultReceiver, 1, 1)                              \
  47                                                            \
  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(OptimizeOsr, 0, 1)                                     \
  70   F(NeverOptimizeFunction, 1, 1)                           \
  71   F(GetOptimizationStatus, -1, 1)                          \
  72   F(GetOptimizationCount, 1, 1)                            \
  73   F(UnblockConcurrentRecompilation, 0, 1)                  \
  74   F(CompileForOnStackReplacement, 1, 1)                    \
  75   F(SetAllocationTimeout, -1 /* 2 || 3 */, 1)              \
  76   F(SetNativeFlag, 1, 1)                                   \
  77   F(IsConstructor, 1, 1)                                   \
  78   F(SetInlineBuiltinFlag, 1, 1)                            \
  79   F(StoreArrayLiteralElement, 5, 1)                        \
  80   F(DebugPrepareStepInIfStepping, 1, 1)                    \
  81   F(DebugPushPromise, 1, 1)                                \
  82   F(DebugPopPromise, 0, 1)                                 \
  83   F(DebugPromiseEvent, 1, 1)                               \
  84   F(DebugAsyncTaskEvent, 1, 1)                             \
  85   F(PromiseRejectEvent, 3, 1)                              \
  86   F(PromiseRevokeReject, 1, 1)                             \
  87   F(PromiseHasHandlerSymbol, 0, 1)                         \
  88   F(FlattenString, 1, 1)                                   \
  89   F(LoadMutableDouble, 2, 1)                               \
  90   F(TryMigrateInstance, 1, 1)                              \
  91   F(NotifyContextDisposed, 0, 1)                           \
  92                                                            \
  93   /* Array join support */                                 \
  94   F(PushIfAbsent, 2, 1)                                    \
  95   F(ArrayConcat, 1, 1)                                     \
  96                                                            \
  97   /* Conversions */                                        \
  98   F(ToBool, 1, 1)                                          \
  99   F(Typeof, 1, 1)                                          \
 100                                                            \
 101   F(StringToNumber, 1, 1)                                  \
 102   F(StringParseInt, 2, 1)                                  \
 103   F(StringParseFloat, 1, 1)                                \
 104   F(StringToLowerCase, 1, 1)                               \
 105   F(StringToUpperCase, 1, 1)                               \
 106   F(StringSplit, 3, 1)                                     \
 107   F(CharFromCode, 1, 1)                                    \
 108   F(URIEscape, 1, 1)                                       \
 109   F(URIUnescape, 1, 1)                                     \
 110                                                            \
 111   F(NumberToInteger, 1, 1)                                 \
 112   F(NumberToIntegerMapMinusZero, 1, 1)                     \
 113   F(NumberToJSUint32, 1, 1)                                \
 114   F(NumberToJSInt32, 1, 1)                                 \
 115                                                            \
 116   /* Arithmetic operations */                              \
 117   F(NumberAdd, 2, 1)                                       \
 118   F(NumberSub, 2, 1)                                       \
 119   F(NumberMul, 2, 1)                                       \
 120   F(NumberDiv, 2, 1)                                       \
 121   F(NumberMod, 2, 1)                                       \
 122   F(NumberUnaryMinus, 1, 1)                                \
 123   F(NumberImul, 2, 1)                                      \
 124                                                            \
 125   F(StringBuilderConcat, 3, 1)                             \
 126   F(StringBuilderJoin, 3, 1)                               \
 127   F(SparseJoinWithSeparator, 3, 1)                         \
 128                                                            \
 129   /* Bit operations */                                     \
 130   F(NumberOr, 2, 1)                                        \
 131   F(NumberAnd, 2, 1)                                       \
 132   F(NumberXor, 2, 1)                                       \
 133                                                            \
 134   F(NumberShl, 2, 1)                                       \
 135   F(NumberShr, 2, 1)                                       \
 136   F(NumberSar, 2, 1)                                       \
 137                                                            \
 138   /* Comparisons */                                        \
 139   F(NumberEquals, 2, 1)                                    \
 140   F(StringEquals, 2, 1)                                    \
 141                                                            \
 142   F(NumberCompare, 3, 1)                                   \
 143   F(SmiLexicographicCompare, 2, 1)                         \
 144                                                            \
 145   /* Math */                                               \
 146   F(MathAcos, 1, 1)                                        \
 147   F(MathAsin, 1, 1)                                        \
 148   F(MathAtan, 1, 1)                                        \
 149   F(MathFloorRT, 1, 1)                                     \
 150   F(MathAtan2, 2, 1)                                       \
 151   F(MathExpRT, 1, 1)                                       \
 152   F(RoundNumber, 1, 1)                                     \
 153   F(MathFround, 1, 1)                                      \
 154   F(RemPiO2, 2, 1)                                         \
 155                                                            \
 156   /* Regular expressions */                                \
 157   F(RegExpInitializeAndCompile, 3, 1)                      \
 158   F(RegExpExecMultiple, 4, 1)                              \
 159                                                            \
 160   /* JSON */                                               \
 161   F(ParseJson, 1, 1)                                       \
 162   F(BasicJSONStringify, 1, 1)                              \
 163   F(QuoteJSONString, 1, 1)                                 \
 164                                                            \
 165   /* Strings */                                            \
 166   F(StringIndexOf, 3, 1)                                   \
 167   F(StringLastIndexOf, 3, 1)                               \
 168   F(StringLocaleCompare, 2, 1)                             \
 169   F(StringReplaceGlobalRegExpWithString, 4, 1)             \
 170   F(StringReplaceOneCharWithString, 3, 1)                  \
 171   F(StringMatch, 3, 1)                                     \
 172   F(StringTrim, 3, 1)                                      \
 173   F(StringToArray, 2, 1)                                   \
 174   F(NewStringWrapper, 1, 1)                                \
 175   F(NewString, 2, 1)                                       \
 176   F(TruncateString, 2, 1)                                  \
 177                                                            \
 178   /* Numbers */                                            \
 179   F(NumberToRadixString, 2, 1)                             \
 180   F(NumberToFixed, 2, 1)                                   \
 181   F(NumberToExponential, 2, 1)                             \
 182   F(NumberToPrecision, 2, 1)                               \
 183   F(IsValidSmi, 1, 1)                                      \
 184                                                            \
 185   /* Classes support */                                    \
 186   F(ToMethod, 2, 1)                                        \
 187   F(HomeObjectSymbol, 0, 1)                                \
 188   F(DefineClass, 6, 1)                                     \
 189   F(DefineClassMethod, 3, 1)                               \
 190   F(ClassGetSourceCode, 1, 1)                              \
 191   F(LoadFromSuper, 3, 1)                                   \
 192   F(LoadKeyedFromSuper, 3, 1)                              \
 193   F(ThrowConstructorNonCallableError, 0, 1)                \
 194   F(ThrowArrayNotSubclassableError, 0, 1)                  \
 195   F(ThrowNonMethodError, 0, 1)                             \
 196   F(ThrowUnsupportedSuperError, 0, 1)                      \
 197   F(HandleStepInForDerivedConstructors, 1, 1)              \
 198   F(StoreToSuper_Strict, 4, 1)                             \
 199   F(StoreToSuper_Sloppy, 4, 1)                             \
 200   F(StoreKeyedToSuper_Strict, 4, 1)                        \
 201   F(StoreKeyedToSuper_Sloppy, 4, 1)
 202
 203
 204 #define RUNTIME_FUNCTION_LIST_ALWAYS_2(F)              \
 205   /* Reflection */                                     \
 206   F(FunctionSetInstanceClassName, 2, 1)                \
 207   F(FunctionSetLength, 2, 1)                           \
 208   F(FunctionSetPrototype, 2, 1)                        \
 209   F(FunctionGetName, 1, 1)                             \
 210   F(FunctionSetName, 2, 1)                             \
 211   F(FunctionNameShouldPrintAsAnonymous, 1, 1)          \
 212   F(FunctionMarkNameShouldPrintAsAnonymous, 1, 1)      \
 213   F(FunctionIsGenerator, 1, 1)                         \
 214   F(FunctionIsArrow, 1, 1)                             \
 215   F(FunctionIsConciseMethod, 1, 1)                     \
 216   F(FunctionBindArguments, 4, 1)                       \
 217   F(BoundFunctionGetBindings, 1, 1)                    \
 218   F(FunctionRemovePrototype, 1, 1)                     \
 219   F(FunctionGetSourceCode, 1, 1)                       \
 220   F(FunctionGetScript, 1, 1)                           \
 221   F(FunctionGetScriptSourcePosition, 1, 1)             \
 222   F(FunctionGetPositionForOffset, 2, 1)                \
 223   F(FunctionIsAPIFunction, 1, 1)                       \
 224   F(FunctionIsBuiltin, 1, 1)                           \
 225   F(GetScript, 1, 1)                                   \
 226   F(CollectStackTrace, 2, 1)                           \
 227   F(GetV8Version, 0, 1)                                \
 228   F(GeneratorGetFunction, 1, 1)                        \
 229   F(GeneratorGetContext, 1, 1)                         \
 230   F(GeneratorGetReceiver, 1, 1)                        \
 231   F(GeneratorGetContinuation, 1, 1)                    \
 232   F(GeneratorGetSourcePosition, 1, 1)                  \
 233                                                        \
 234   F(SetCode, 2, 1)                                     \
 235                                                        \
 236   F(DisableAccessChecks, 1, 1)                         \
 237   F(EnableAccessChecks, 1, 1)                          \
 238                                                        \
 239   /* Dates */                                          \
 240   F(DateCurrentTime, 0, 1)                             \
 241   F(DateParseString, 2, 1)                             \
 242   F(DateLocalTimezone, 1, 1)                           \
 243   F(DateToUTC, 1, 1)                                   \
 244   F(DateMakeDay, 2, 1)                                 \
 245   F(DateSetValue, 3, 1)                                \
 246   F(DateCacheVersion, 0, 1)                            \
 247                                                        \
 248   /* Globals */                                        \
 249   F(CompileString, 3, 1)                               \
 250                                                        \
 251   /* Eval */                                           \
 252   F(GlobalProxy, 1, 1)                                 \
 253                                                        \
 254   F(AddNamedProperty, 4, 1)                            \
 255   F(SetProperty, 4, 1)                                 \
 256   F(AddElement, 4, 1)                                  \
 257   F(DefineDataPropertyUnchecked, 4, 1)                 \
 258   F(DefineAccessorPropertyUnchecked, 5, 1)             \
 259   F(GetDataProperty, 2, 1)                             \
 260   F(DefineGetterPropertyUnchecked, 4, 1)               \
 261   F(DefineSetterPropertyUnchecked, 4, 1)               \
 262                                                        \
 263   /* Arrays */                                         \
 264   F(RemoveArrayHoles, 2, 1)                            \
 265   F(GetArrayKeys, 2, 1)                                \
 266   F(MoveArrayContents, 2, 1)                           \
 267   F(EstimateNumberOfElements, 1, 1)                    \
 268   F(NormalizeElements, 1, 1)                           \
 269   F(HasComplexElements, 1, 1)                          \
 270                                                        \
 271   /* Getters and Setters */                            \
 272   F(LookupAccessor, 3, 1)                              \
 273                                                        \
 274   /* ES5 */                                            \
 275   F(ObjectSeal, 1, 1)                                  \
 276   F(ObjectFreeze, 1, 1)                                \
 277                                                        \
 278   /* Harmony modules */                                \
 279   F(IsJSModule, 1, 1)                                  \
 280                                                        \
 281   /* Harmony symbols */                                \
 282   F(CreateSymbol, 1, 1)                                \
 283   F(CreatePrivateSymbol, 1, 1)                         \
 284   F(CreateGlobalPrivateOwnSymbol, 1, 1)                \
 285   F(CreatePrivateOwnSymbol, 1, 1)                      \
 286   F(NewSymbolWrapper, 1, 1)                            \
 287   F(SymbolDescription, 1, 1)                           \
 288   F(SymbolRegistry, 0, 1)                              \
 289   F(SymbolIsPrivate, 1, 1)                             \
 290                                                        \
 291   /* Harmony proxies */                                \
 292   F(CreateJSProxy, 2, 1)                               \
 293   F(CreateJSFunctionProxy, 4, 1)                       \
 294   F(IsJSFunctionProxy, 1, 1)                           \
 295   F(GetHandler, 1, 1)                                  \
 296   F(GetCallTrap, 1, 1)                                 \
 297   F(GetConstructTrap, 1, 1)                            \
 298   F(Fix, 1, 1)                                         \
 299                                                        \
 300   /* ES6 collection iterators */                       \
 301   F(SetIteratorInitialize, 3, 1)                       \
 302   F(SetIteratorClone, 1, 1)                            \
 303   F(SetIteratorNext, 2, 1)                             \
 304   F(SetIteratorDetails, 1, 1)                          \
 305   F(MapIteratorInitialize, 3, 1)                       \
 306   F(MapIteratorClone, 1, 1)                            \
 307   F(MapIteratorNext, 2, 1)                             \
 308   F(MapIteratorDetails, 1, 1)                          \
 309                                                        \
 310   /* Harmony weak maps and sets */                     \
 311   F(WeakCollectionInitialize, 1, 1)                    \
 312   F(WeakCollectionGet, 2, 1)                           \
 313   F(WeakCollectionHas, 2, 1)                           \
 314   F(WeakCollectionDelete, 2, 1)                        \
 315   F(WeakCollectionSet, 3, 1)                           \
 316                                                        \
 317   F(GetWeakMapEntries, 2, 1)                           \
 318   F(GetWeakSetValues, 2, 1)                            \
 319                                                        \
 320   /* Harmony events */                                 \
 321   F(EnqueueMicrotask, 1, 1)                            \
 322   F(RunMicrotasks, 0, 1)                               \
 323                                                        \
 324   /* Harmony observe */                                \
 325   F(IsObserved, 1, 1)                                  \
 326   F(SetIsObserved, 1, 1)                               \
 327   F(GetObservationState, 0, 1)                         \
 328   F(ObservationWeakMapCreate, 0, 1)                    \
 329   F(ObserverObjectAndRecordHaveSameOrigin, 3, 1)       \
 330   F(ObjectWasCreatedInCurrentOrigin, 1, 1)             \
 331   F(GetObjectContextObjectObserve, 1, 1)               \
 332   F(GetObjectContextObjectGetNotifier, 1, 1)           \
 333   F(GetObjectContextNotifierPerformChange, 1, 1)       \
 334   F(DeliverObservationChangeRecords, 2, 1)             \
 335                                                        \
 336   /* Harmony typed arrays */                           \
 337   F(ArrayBufferInitialize, 2, 1)                       \
 338   F(ArrayBufferSliceImpl, 3, 1)                        \
 339   F(ArrayBufferIsView, 1, 1)                           \
 340   F(ArrayBufferNeuter, 1, 1)                           \
 341                                                        \
 342   F(IsTypedArray, 1, 1)                                \
 343   F(TypedArrayInitializeFromArrayLike, 4, 1)           \
 344   F(TypedArrayGetBuffer, 1, 1)                         \
 345   F(TypedArraySetFastCases, 3, 1)                      \
 346                                                        \
 347   F(DataViewGetBuffer, 1, 1)                           \
 348   F(DataViewGetInt8, 3, 1)                             \
 349   F(DataViewGetUint8, 3, 1)                            \
 350   F(DataViewGetInt16, 3, 1)                            \
 351   F(DataViewGetUint16, 3, 1)                           \
 352   F(DataViewGetInt32, 3, 1)                            \
 353   F(DataViewGetUint32, 3, 1)                           \
 354   F(DataViewGetFloat32, 3, 1)                          \
 355   F(DataViewGetFloat64, 3, 1)                          \
 356                                                        \
 357   F(DataViewSetInt8, 4, 1)                             \
 358   F(DataViewSetUint8, 4, 1)                            \
 359   F(DataViewSetInt16, 4, 1)                            \
 360   F(DataViewSetUint16, 4, 1)                           \
 361   F(DataViewSetInt32, 4, 1)                            \
 362   F(DataViewSetUint32, 4, 1)                           \
 363   F(DataViewSetFloat32, 4, 1)                          \
 364   F(DataViewSetFloat64, 4, 1)                          \
 365                                                        \
 366   /* Statements */                                     \
 367   F(NewObjectFromBound, 1, 1)                          \
 368                                                        \
 369   /* Declarations and initialization */                \
 370   F(InitializeVarGlobal, 3, 1)                         \
 371   F(OptimizeObjectForAddingMultipleProperties, 2, 1)   \
 372                                                        \
 373   /* Debugging */                                      \
 374   F(DebugPrint, 1, 1)                                  \
 375   F(GlobalPrint, 1, 1)                                 \
 376   F(DebugTrace, 0, 1)                                  \
 377   F(TraceEnter, 0, 1)                                  \
 378   F(TraceExit, 1, 1)                                   \
 379   F(Abort, 1, 1)                                       \
 380   F(AbortJS, 1, 1)                                     \
 381   F(NativeScriptsCount, 0, 1)                          \
 382   F(RenderCallSite, 0, 1)                              \
 383   /* ES5 */                                            \
 384   F(OwnKeys, 1, 1)                                     \
 385                                                        \
 386   /* Message objects */                                \
 387   F(MessageGetStartPosition, 1, 1)                     \
 388   F(MessageGetScript, 1, 1)                            \
 389                                                        \
 390   /* Pseudo functions - handled as macros by parser */ \
 391   F(IS_VAR, 1, 1)                                      \
 392                                                        \
 393   /* expose boolean functions from objects-inl.h */    \
 394   F(HasFastSmiElements, 1, 1)                          \
 395   F(HasFastSmiOrObjectElements, 1, 1)                  \
 396   F(HasFastObjectElements, 1, 1)                       \
 397   F(HasFastDoubleElements, 1, 1)                       \
 398   F(HasFastHoleyElements, 1, 1)                        \
 399   F(HasDictionaryElements, 1, 1)                       \
 400   F(HasSloppyArgumentsElements, 1, 1)                  \
 401   F(HasExternalUint8ClampedElements, 1, 1)             \
 402   F(HasExternalArrayElements, 1, 1)                    \
 403   F(HasExternalInt8Elements, 1, 1)                     \
 404   F(HasExternalUint8Elements, 1, 1)                    \
 405   F(HasExternalInt16Elements, 1, 1)                    \
 406   F(HasExternalUint16Elements, 1, 1)                   \
 407   F(HasExternalInt32Elements, 1, 1)                    \
 408   F(HasExternalUint32Elements, 1, 1)                   \
 409   F(HasExternalFloat32Elements, 1, 1)                  \
 410   F(HasExternalFloat64Elements, 1, 1)                  \
 411   F(HasFixedUint8ClampedElements, 1, 1)                \
 412   F(HasFixedInt8Elements, 1, 1)                        \
 413   F(HasFixedUint8Elements, 1, 1)                       \
 414   F(HasFixedInt16Elements, 1, 1)                       \
 415   F(HasFixedUint16Elements, 1, 1)                      \
 416   F(HasFixedInt32Elements, 1, 1)                       \
 417   F(HasFixedUint32Elements, 1, 1)                      \
 418   F(HasFixedFloat32Elements, 1, 1)                     \
 419   F(HasFixedFloat64Elements, 1, 1)                     \
 420   F(HasFastProperties, 1, 1)                           \
 421   F(TransitionElementsKind, 2, 1)                      \
 422   F(HaveSameMap, 2, 1)                                 \
 423   F(IsJSGlobalProxy, 1, 1)                             \
 424   F(ForInCacheArrayLength, 2, 1) /* TODO(turbofan): Only temporary */
 425
 426
 427 #define RUNTIME_FUNCTION_LIST_ALWAYS_3(F)                    \
 428   /* String and Regexp */                                    \
 429   F(NumberToStringRT, 1, 1)                                  \
 430   F(RegExpConstructResult, 3, 1)                             \
 431   F(RegExpExecRT, 4, 1)                                      \
 432   F(StringAdd, 2, 1)                                         \
 433   F(SubString, 3, 1)                                         \
 434   F(InternalizeString, 1, 1)                                 \
 435   F(StringCompare, 2, 1)                                     \
 436   F(StringCharCodeAtRT, 2, 1)                                \
 437   F(GetFromCache, 2, 1)                                      \
 438                                                              \
 439   /* Compilation */                                          \
 440   F(CompileLazy, 1, 1)                                       \
 441   F(CompileOptimized, 2, 1)                                  \
 442   F(TryInstallOptimizedCode, 1, 1)                           \
 443   F(NotifyDeoptimized, 1, 1)                                 \
 444   F(NotifyStubFailure, 0, 1)                                 \
 445                                                              \
 446   /* Utilities */                                            \
 447   F(AllocateInNewSpace, 1, 1)                                \
 448   F(AllocateInTargetSpace, 2, 1)                             \
 449   F(AllocateHeapNumber, 0, 1)                                \
 450   F(NumberToSmi, 1, 1)                                       \
 451   F(NumberToStringSkipCache, 1, 1)                           \
 452                                                              \
 453   F(NewArguments, 1, 1) /* TODO(turbofan): Only temporary */ \
 454   F(NewSloppyArguments, 3, 1)                                \
 455   F(NewStrictArguments, 3, 1)                                \
 456   F(NewRestParam, 3, 1)                                      \
 457   F(NewRestParamSlow, 1, 1)                                  \
 458                                                              \
 459   /* Harmony generators */                                   \
 460   F(CreateJSGeneratorObject, 0, 1)                           \
 461   F(SuspendJSGeneratorObject, 1, 1)                          \
 462   F(ResumeJSGeneratorObject, 3, 1)                           \
 463   F(GeneratorClose, 1, 1)                                    \
 464                                                              \
 465   /* Arrays */                                               \
 466   F(ArrayConstructor, -1, 1)                                 \
 467   F(ArrayConstructorWithSubclassing, -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, 2, 1)                                         \
 480   F(NewObjectWithAllocationSite, 3, 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(ThrowConstAssignError, 0, 1)                             \
 487   F(StackGuard, 0, 1)                                        \
 488   F(Interrupt, 0, 1)                                         \
 489   F(PromoteScheduledException, 0, 1)                         \
 490                                                              \
 491   /* Contexts */                                             \
 492   F(NewScriptContext, 2, 1)                                  \
 493   F(NewFunctionContext, 1, 1)                                \
 494   F(PushWithContext, 2, 1)                                   \
 495   F(PushCatchContext, 3, 1)                                  \
 496   F(PushBlockContext, 2, 1)                                  \
 497   F(PushModuleContext, 2, 1)                                 \
 498   F(DeleteLookupSlot, 2, 1)                                  \
 499   F(StoreLookupSlot, 4, 1)                                   \
 500                                                              \
 501   /* Declarations and initialization */                      \
 502   F(DeclareGlobals, 3, 1)                                    \
 503   F(DeclareModules, 1, 1)                                    \
 504   F(DeclareLookupSlot, 4, 1)                                 \
 505   F(InitializeConstGlobal, 2, 1)                             \
 506   F(InitializeLegacyConstLookupSlot, 3, 1)                   \
 507                                                              \
 508   /* Maths */                                                \
 509   F(MathPowSlow, 2, 1)                                       \
 510   F(MathPowRT, 2, 1)
 511
 512
 513 #define RUNTIME_FUNCTION_LIST_RETURN_PAIR(F)              \
 514   F(LoadLookupSlot, 2, 2)                                 \
 515   F(LoadLookupSlotNoReferenceError, 2, 2)                 \
 516   F(ResolvePossiblyDirectEval, 6, 2)                      \
 517   F(ForInInit, 2, 2) /* TODO(turbofan): Only temporary */ \
 518   F(ForInNext, 4, 2) /* TODO(turbofan): Only temporary */
 519
 520
 521 #define RUNTIME_FUNCTION_LIST_DEBUGGER(F)           \
 522   /* Debugger support*/                             \
 523   F(DebugBreak, 0, 1)                               \
 524   F(SetDebugEventListener, 2, 1)                    \
 525   F(Break, 0, 1)                                    \
 526   F(DebugGetPropertyDetails, 2, 1)                  \
 527   F(DebugGetProperty, 2, 1)                         \
 528   F(DebugPropertyTypeFromDetails, 1, 1)             \
 529   F(DebugPropertyAttributesFromDetails, 1, 1)       \
 530   F(DebugPropertyIndexFromDetails, 1, 1)            \
 531   F(DebugNamedInterceptorPropertyValue, 2, 1)       \
 532   F(DebugIndexedInterceptorElementValue, 2, 1)      \
 533   F(CheckExecutionState, 1, 1)                      \
 534   F(GetFrameCount, 1, 1)                            \
 535   F(GetFrameDetails, 2, 1)                          \
 536   F(GetScopeCount, 2, 1)                            \
 537   F(GetStepInPositions, 2, 1)                       \
 538   F(GetScopeDetails, 4, 1)                          \
 539   F(GetAllScopesDetails, 4, 1)                      \
 540   F(GetFunctionScopeCount, 1, 1)                    \
 541   F(GetFunctionScopeDetails, 2, 1)                  \
 542   F(SetScopeVariableValue, 6, 1)                    \
 543   F(DebugPrintScopes, 0, 1)                         \
 544   F(GetThreadCount, 1, 1)                           \
 545   F(GetThreadDetails, 2, 1)                         \
 546   F(SetDisableBreak, 1, 1)                          \
 547   F(GetBreakLocations, 2, 1)                        \
 548   F(SetFunctionBreakPoint, 3, 1)                    \
 549   F(SetScriptBreakPoint, 4, 1)                      \
 550   F(ClearBreakPoint, 1, 1)                          \
 551   F(ChangeBreakOnException, 2, 1)                   \
 552   F(IsBreakOnException, 1, 1)                       \
 553   F(PrepareStep, 4, 1)                              \
 554   F(ClearStepping, 0, 1)                            \
 555   F(DebugEvaluate, 6, 1)                            \
 556   F(DebugEvaluateGlobal, 4, 1)                      \
 557   F(DebugGetLoadedScripts, 0, 1)                    \
 558   F(DebugReferencedBy, 3, 1)                        \
 559   F(DebugConstructedBy, 2, 1)                       \
 560   F(DebugGetPrototype, 1, 1)                        \
 561   F(DebugSetScriptSource, 2, 1)                     \
 562   F(DebugCallbackSupportsStepping, 1, 1)            \
 563   F(SystemBreak, 0, 1)                              \
 564   F(DebugDisassembleFunction, 1, 1)                 \
 565   F(DebugDisassembleConstructor, 1, 1)              \
 566   F(FunctionGetInferredName, 1, 1)                  \
 567   F(LiveEditFindSharedFunctionInfosForScript, 1, 1) \
 568   F(LiveEditGatherCompileInfo, 2, 1)                \
 569   F(LiveEditReplaceScript, 3, 1)                    \
 570   F(LiveEditReplaceFunctionCode, 2, 1)              \
 571   F(LiveEditFunctionSourceUpdated, 1, 1)            \
 572   F(LiveEditFunctionSetScript, 2, 1)                \
 573   F(LiveEditReplaceRefToNestedFunction, 3, 1)       \
 574   F(LiveEditPatchFunctionPositions, 2, 1)           \
 575   F(LiveEditCheckAndDropActivations, 2, 1)          \
 576   F(LiveEditCompareStrings, 2, 1)                   \
 577   F(LiveEditRestartFrame, 2, 1)                     \
 578   F(GetFunctionCodePositionFromSource, 2, 1)        \
 579   F(ExecuteInDebugContext, 2, 1)                    \
 580   F(GetDebugContext, 0, 1)                          \
 581   F(SetFlags, 1, 1)                                 \
 582   F(CollectGarbage, 1, 1)                           \
 583   F(GetHeapUsage, 0, 1)
 584
 585
 586 #ifdef V8_I18N_SUPPORT
 587 #define RUNTIME_FUNCTION_LIST_I18N_SUPPORT(F) \
 588   /* i18n support */                          \
 589   /* Standalone, helper methods. */           \
 590   F(CanonicalizeLanguageTag, 1, 1)            \
 591   F(AvailableLocalesOf, 1, 1)                 \
 592   F(GetDefaultICULocale, 0, 1)                \
 593   F(GetLanguageTagVariants, 1, 1)             \
 594   F(IsInitializedIntlObject, 1, 1)            \
 595   F(IsInitializedIntlObjectOfType, 2, 1)      \
 596   F(MarkAsInitializedIntlObjectOfType, 3, 1)  \
 597   F(GetImplFromInitializedIntlObject, 1, 1)   \
 598                                               \
 599   /* Date format and parse. */                \
 600   F(CreateDateTimeFormat, 3, 1)               \
 601   F(InternalDateFormat, 2, 1)                 \
 602   F(InternalDateParse, 2, 1)                  \
 603                                               \
 604   /* Number format and parse. */              \
 605   F(CreateNumberFormat, 3, 1)                 \
 606   F(InternalNumberFormat, 2, 1)               \
 607   F(InternalNumberParse, 2, 1)                \
 608                                               \
 609   /* Collator. */                             \
 610   F(CreateCollator, 3, 1)                     \
 611   F(InternalCompare, 3, 1)                    \
 612                                               \
 613   /* String.prototype.normalize. */           \
 614   F(StringNormalize, 2, 1)                    \
 615                                               \
 616   /* Break iterator. */                       \
 617   F(CreateBreakIterator, 3, 1)                \
 618   F(BreakIteratorAdoptText, 2, 1)             \
 619   F(BreakIteratorFirst, 1, 1)                 \
 620   F(BreakIteratorNext, 1, 1)                  \
 621   F(BreakIteratorCurrent, 1, 1)               \
 622   F(BreakIteratorBreakType, 1, 1)
 623
 624 #else
 625 #define RUNTIME_FUNCTION_LIST_I18N_SUPPORT(F)
 626 #endif
 627
 628
 629 // ----------------------------------------------------------------------------
 630 // RUNTIME_FUNCTION_LIST defines all runtime functions accessed
 631 // either directly by id (via the code generator), or indirectly
 632 // via a native call by name (from within JS code).
 633 // Entries have the form F(name, number of arguments, number of return values).
 634
 635 #define RUNTIME_FUNCTION_LIST_RETURN_OBJECT(F) \
 636   RUNTIME_FUNCTION_LIST_ALWAYS_1(F)            \
 637   RUNTIME_FUNCTION_LIST_ALWAYS_2(F)            \
 638   RUNTIME_FUNCTION_LIST_ALWAYS_3(F)            \
 639   RUNTIME_FUNCTION_LIST_DEBUGGER(F)            \
 640   RUNTIME_FUNCTION_LIST_I18N_SUPPORT(F)
 641
 642
 643 #define RUNTIME_FUNCTION_LIST(F)         \
 644   RUNTIME_FUNCTION_LIST_RETURN_OBJECT(F) \
 645   RUNTIME_FUNCTION_LIST_RETURN_PAIR(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(IsJSProxy, 1, 1)                                        \
 657   F(IsConstructCall, 0, 1)                                  \
 658   F(CallFunction, -1 /* receiver + n args + function */, 1) \
 659   F(DefaultConstructorCallSuper, 0, 1)                      \
 660   F(ArgumentsLength, 0, 1)                                  \
 661   F(Arguments, 1, 1)                                        \
 662   F(ValueOf, 1, 1)                                          \
 663   F(SetValueOf, 2, 1)                                       \
 664   F(DateField, 2 /* date object, field index */, 1)         \
 665   F(StringCharFromCode, 1, 1)                               \
 666   F(StringCharAt, 2, 1)                                     \
 667   F(OneByteSeqStringSetChar, 3, 1)                          \
 668   F(TwoByteSeqStringSetChar, 3, 1)                          \
 669   F(ObjectEquals, 2, 1)                                     \
 670   F(IsObject, 1, 1)                                         \
 671   F(IsFunction, 1, 1)                                       \
 672   F(IsUndetectableObject, 1, 1)                             \
 673   F(IsSpecObject, 1, 1)                                     \
 674   F(IsStringWrapperSafeForDefaultValueOf, 1, 1)             \
 675   F(MathPow, 2, 1)                                          \
 676   F(IsMinusZero, 1, 1)                                      \
 677   F(HasCachedArrayIndex, 1, 1)                              \
 678   F(GetCachedArrayIndex, 1, 1)                              \
 679   F(FastOneByteArrayJoin, 2, 1)                             \
 680   F(GeneratorNext, 2, 1)                                    \
 681   F(GeneratorThrow, 2, 1)                                   \
 682   F(DebugBreakInOptimizedCode, 0, 1)                        \
 683   F(ClassOf, 1, 1)                                          \
 684   F(StringCharCodeAt, 2, 1)                                 \
 685   F(StringAdd, 2, 1)                                        \
 686   F(SubString, 3, 1)                                        \
 687   F(StringCompare, 2, 1)                                    \
 688   F(RegExpExec, 4, 1)                                       \
 689   F(RegExpConstructResult, 3, 1)                            \
 690   F(GetFromCache, 2, 1)                                     \
 691   F(NumberToString, 1, 1)                                   \
 692   F(DebugIsActive, 0, 1)
 693
 694
 695 // ----------------------------------------------------------------------------
 696 // INLINE_OPTIMIZED_FUNCTION_LIST defines all inlined functions accessed
 697 // with a native call of the form %_name from within JS code that also have
 698 // a corresponding runtime function, that is called from non-optimized code.
 699 // For the benefit of (fuzz) tests, the runtime version can also be called
 700 // directly as %name (i.e. without the leading underscore).
 701 // Entries have the form F(name, number of arguments, number of return values).
 702 #define INLINE_OPTIMIZED_FUNCTION_LIST(F) \
 703   /* Typed Arrays */                      \
 704   F(TypedArrayInitialize, 5, 1)           \
 705   F(DataViewInitialize, 4, 1)             \
 706   F(MaxSmi, 0, 1)                         \
 707   F(TypedArrayMaxSizeInHeap, 0, 1)        \
 708   F(ArrayBufferViewGetByteLength, 1, 1)   \
 709   F(ArrayBufferViewGetByteOffset, 1, 1)   \
 710   F(TypedArrayGetLength, 1, 1)            \
 711   /* ArrayBuffer */                       \
 712   F(ArrayBufferGetByteLength, 1, 1)       \
 713   /* Maths */                             \
 714   F(ConstructDouble, 2, 1)                \
 715   F(DoubleHi, 1, 1)                       \
 716   F(DoubleLo, 1, 1)                       \
 717   F(MathSqrtRT, 1, 1)                     \
 718   F(MathLogRT, 1, 1)                      \
 719   /* ES6 Collections */                   \
 720   F(MapClear, 1, 1)                       \
 721   F(MapDelete, 2, 1)                      \
 722   F(MapGet, 2, 1)                         \
 723   F(MapGetSize, 1, 1)                     \
 724   F(MapHas, 2, 1)                         \
 725   F(MapInitialize, 1, 1)                  \
 726   F(MapSet, 3, 1)                         \
 727   F(SetAdd, 2, 1)                         \
 728   F(SetClear, 1, 1)                       \
 729   F(SetDelete, 2, 1)                      \
 730   F(SetGetSize, 1, 1)                     \
 731   F(SetHas, 2, 1)                         \
 732   F(SetInitialize, 1, 1)                  \
 733   /* Arrays */                            \
 734   F(HasFastPackedElements, 1, 1)          \
 735   F(GetPrototype, 1, 1)
 736
 737
 738 //---------------------------------------------------------------------------
 739 // Runtime provides access to all C++ runtime functions.
 740
 741 class RuntimeState {
 742  public:
 743   unibrow::Mapping<unibrow::ToUppercase, 128>* to_upper_mapping() {
 744     return &to_upper_mapping_;
 745   }
 746   unibrow::Mapping<unibrow::ToLowercase, 128>* to_lower_mapping() {
 747     return &to_lower_mapping_;
 748   }
 749
 750  private:
 751   RuntimeState() {}
 752   unibrow::Mapping<unibrow::ToUppercase, 128> to_upper_mapping_;
 753   unibrow::Mapping<unibrow::ToLowercase, 128> to_lower_mapping_;
 754
 755   friend class Isolate;
 756   friend class Runtime;
 757
 758   DISALLOW_COPY_AND_ASSIGN(RuntimeState);
 759 };
 760
 761
 762 class JavaScriptFrameIterator;  // Forward declaration.
 763
 764
 765 class Runtime : public AllStatic {
 766  public:
 767   enum FunctionId {
 768 #define F(name, nargs, ressize) k##name,
 769     RUNTIME_FUNCTION_LIST(F) 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 { RUNTIME, INLINE, INLINE_OPTIMIZED };
 782
 783   // Intrinsic function descriptor.
 784   struct Function {
 785     FunctionId function_id;
 786     IntrinsicType intrinsic_type;
 787     // The JS name of the function.
 788     const char* name;
 789
 790     // The C++ (native) entry point.  NULL if the function is inlined.
 791     byte* entry;
 792
 793     // The number of arguments expected. nargs is -1 if the function takes
 794     // a variable number of arguments.
 795     int nargs;
 796     // Size of result.  Most functions return a single pointer, size 1.
 797     int result_size;
 798   };
 799
 800   static const int kNotFound = -1;
 801
 802   // Add internalized strings for all the intrinsic function names to a
 803   // StringDictionary.
 804   static void InitializeIntrinsicFunctionNames(Isolate* isolate,
 805                                                Handle<NameDictionary> dict);
 806
 807   // Get the intrinsic function with the given name, which must be internalized.
 808   static const Function* FunctionForName(Handle<String> name);
 809
 810   // Get the intrinsic function with the given FunctionId.
 811   static const Function* FunctionForId(FunctionId id);
 812
 813   // Get the intrinsic function with the given function entry address.
 814   static const Function* FunctionForEntry(Address ref);
 815
 816   // TODO(1240886): Some of the following methods are *not* handle safe, but
 817   // accept handle arguments. This seems fragile.
 818
 819   // Support getting the characters in a string using [] notation as
 820   // in Firefox/SpiderMonkey, Safari and Opera.
 821   MUST_USE_RESULT static MaybeHandle<Object> GetElementOrCharAt(
 822       Isolate* isolate, Handle<Object> object, uint32_t index);
 823
 824   MUST_USE_RESULT static MaybeHandle<Object> SetObjectProperty(
 825       Isolate* isolate, Handle<Object> object, Handle<Object> key,
 826       Handle<Object> value, LanguageMode language_mode);
 827
 828   MUST_USE_RESULT static MaybeHandle<Object> DefineObjectProperty(
 829       Handle<JSObject> object, Handle<Object> key, Handle<Object> value,
 830       PropertyAttributes attr);
 831
 832   MUST_USE_RESULT static MaybeHandle<Object> GetObjectProperty(
 833       Isolate* isolate, Handle<Object> object, Handle<Object> key);
 834
 835   MUST_USE_RESULT static MaybeHandle<Object> GetPrototype(
 836       Isolate* isolate, Handle<Object> object);
 837
 838   MUST_USE_RESULT static MaybeHandle<Name> ToName(Isolate* isolate,
 839                                                   Handle<Object> key);
 840
 841   static void SetupArrayBuffer(Isolate* isolate,
 842                                Handle<JSArrayBuffer> array_buffer,
 843                                bool is_external, void* data,
 844                                size_t allocated_length);
 845
 846   static bool SetupArrayBufferAllocatingData(Isolate* isolate,
 847                                              Handle<JSArrayBuffer> array_buffer,
 848                                              size_t allocated_length,
 849                                              bool initialize = true);
 850
 851   static void NeuterArrayBuffer(Handle<JSArrayBuffer> array_buffer);
 852
 853   static void FreeArrayBuffer(Isolate* isolate,
 854                               JSArrayBuffer* phantom_array_buffer);
 855
 856   static int FindIndexedNonNativeFrame(JavaScriptFrameIterator* it, int index);
 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     ARRAY_ID_FIRST = ARRAY_ID_UINT8,
 870     ARRAY_ID_LAST = ARRAY_ID_UINT8_CLAMPED
 871   };
 872
 873   static void ArrayIdToTypeAndSize(int array_id, ExternalArrayType* type,
 874                                    ElementsKind* external_elements_kind,
 875                                    ElementsKind* fixed_elements_kind,
 876                                    size_t* element_size);
 877
 878   // Used in runtime.cc and hydrogen's VisitArrayLiteral.
 879   MUST_USE_RESULT static MaybeHandle<Object> CreateArrayLiteralBoilerplate(
 880       Isolate* isolate, Handle<FixedArray> literals,
 881       Handle<FixedArray> elements);
 882
 883   static void WeakCollectionInitialize(
 884       Isolate* isolate, Handle<JSWeakCollection> weak_collection);
 885   static void WeakCollectionSet(Handle<JSWeakCollection> weak_collection,
 886                                 Handle<Object> key, Handle<Object> value);
 887   static bool WeakCollectionDelete(Handle<JSWeakCollection> weak_collection,
 888                                    Handle<Object> key);
 889 };
 890
 891
 892 std::ostream& operator<<(std::ostream&, Runtime::FunctionId);
 893
 894 //---------------------------------------------------------------------------
 895 // Constants used by interface to runtime functions.
 896
 897 class AllocateDoubleAlignFlag : public BitField<bool, 0, 1> {};
 898 class AllocateTargetSpace : public BitField<AllocationSpace, 1, 3> {};
 899
 900 class DeclareGlobalsEvalFlag : public BitField<bool, 0, 1> {};
 901 class DeclareGlobalsNativeFlag : public BitField<bool, 1, 1> {};
 902 STATIC_ASSERT(LANGUAGE_END == 3);
 903 class DeclareGlobalsLanguageMode : public BitField<LanguageMode, 2, 2> {};
 904
 905 }  // namespace internal
 906 }  // namespace v8
 907
 908 #endif  // V8_RUNTIME_RUNTIME_H_