src/v8/src/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_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, 5, 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_