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