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   /* Float32x4 and Int32x4 */                              \
 155   F(AllocateFloat32x4, 0, 1)                               \
 156   F(AllocateFloat64x2, 0, 1)                               \
 157   F(AllocateInt32x4, 0, 1)                                 \
 158                                                            \
 159   /* SIMD */                                               \
 160   F(Float32x4LoadX, 2, 1)                                  \
 161   F(Float32x4LoadXY, 2, 1)                                 \
 162   F(Float32x4LoadXYZ, 2, 1)                                \
 163   F(Float32x4LoadXYZW, 2, 1)                               \
 164   F(Float32x4StoreX, 3, 1)                                 \
 165   F(Float32x4StoreXY, 3, 1)                                \
 166   F(Float32x4StoreXYZ, 3, 1)                               \
 167   F(Float32x4StoreXYZW, 3, 1)                              \
 168   F(Float32x4Abs, 1, 1)                                    \
 169   F(Float32x4BitsToInt32x4, 1, 1)                          \
 170   F(Float32x4Neg, 1, 1)                                    \
 171   F(Float32x4Reciprocal, 1, 1)                             \
 172   F(Float32x4ReciprocalSqrt, 1, 1)                         \
 173   F(Float32x4Sqrt, 1, 1)                                   \
 174   F(Float32x4ToInt32x4, 1, 1)                              \
 175   F(Float32x4Add, 2, 1)                                    \
 176   F(Float32x4Div, 2, 1)                                    \
 177   F(Float32x4Max, 2, 1)                                    \
 178   F(Float32x4Min, 2, 1)                                    \
 179   F(Float32x4Mul, 2, 1)                                    \
 180   F(Float32x4Sub, 2, 1)                                    \
 181   F(Float32x4Equal, 2, 1)                                  \
 182   F(Float32x4NotEqual, 2, 1)                               \
 183   F(Float32x4GreaterThanOrEqual, 2, 1)                     \
 184   F(Float32x4GreaterThan, 2, 1)                            \
 185   F(Float32x4LessThan, 2, 1)                               \
 186   F(Float32x4LessThanOrEqual, 2, 1)                        \
 187   F(Float32x4Shuffle, 2, 1)                                \
 188   F(Float32x4Scale, 2, 1)                                  \
 189   F(Float32x4WithX, 2, 1)                                  \
 190   F(Float32x4WithY, 2, 1)                                  \
 191   F(Float32x4WithZ, 2, 1)                                  \
 192   F(Float32x4WithW, 2, 1)                                  \
 193   F(Float32x4Clamp, 3, 1)                                  \
 194   F(Float32x4ShuffleMix, 3, 1)                             \
 195   F(Float32x4Select, 3, 1)                                 \
 196   F(Float64x2LoadX, 2, 1)                                  \
 197   F(Float64x2LoadXY, 2, 1)                                 \
 198   F(Float64x2StoreX, 3, 1)                                 \
 199   F(Float64x2StoreXY, 3, 1)                                \
 200   F(Float64x2Abs, 1, 1)                                    \
 201   F(Float64x2Neg, 1, 1)                                    \
 202   F(Float64x2Sqrt, 1, 1)                                   \
 203   F(Float64x2Add, 2, 1)                                    \
 204   F(Float64x2Div, 2, 1)                                    \
 205   F(Float64x2Max, 2, 1)                                    \
 206   F(Float64x2Min, 2, 1)                                    \
 207   F(Float64x2Mul, 2, 1)                                    \
 208   F(Float64x2Sub, 2, 1)                                    \
 209   F(Float64x2Scale, 2, 1)                                  \
 210   F(Float64x2WithX, 2, 1)                                  \
 211   F(Float64x2WithY, 2, 1)                                  \
 212   F(Float64x2Clamp, 3, 1)                                  \
 213   F(Int32x4LoadX, 2, 1)                                    \
 214   F(Int32x4LoadXY, 2, 1)                                   \
 215   F(Int32x4LoadXYZ, 2, 1)                                  \
 216   F(Int32x4LoadXYZW, 2, 1)                                 \
 217   F(Int32x4StoreX, 3, 1)                                   \
 218   F(Int32x4StoreXY, 3, 1)                                  \
 219   F(Int32x4StoreXYZ, 3, 1)                                 \
 220   F(Int32x4StoreXYZW, 3, 1)                                \
 221   F(Int32x4BitsToFloat32x4, 1, 1)                          \
 222   F(Int32x4Neg, 1, 1)                                      \
 223   F(Int32x4Not, 1, 1)                                      \
 224   F(Int32x4ToFloat32x4, 1, 1)                              \
 225   F(Int32x4And, 2, 1)                                      \
 226   F(Int32x4Or, 2, 1)                                       \
 227   F(Int32x4Xor, 2, 1)                                      \
 228   F(Int32x4Add, 2, 1)                                      \
 229   F(Int32x4Sub, 2, 1)                                      \
 230   F(Int32x4Mul, 2, 1)                                      \
 231   F(Int32x4Shuffle, 2, 1)                                  \
 232   F(Int32x4WithX, 2, 1)                                    \
 233   F(Int32x4WithY, 2, 1)                                    \
 234   F(Int32x4WithZ, 2, 1)                                    \
 235   F(Int32x4WithW, 2, 1)                                    \
 236   F(Int32x4WithFlagX, 2, 1)                                \
 237   F(Int32x4WithFlagY, 2, 1)                                \
 238   F(Int32x4WithFlagZ, 2, 1)                                \
 239   F(Int32x4WithFlagW, 2, 1)                                \
 240   F(Int32x4GreaterThan, 2, 1)                              \
 241   F(Int32x4Equal, 2, 1)                                    \
 242   F(Int32x4LessThan, 2, 1)                                 \
 243   F(Int32x4Select, 3, 1)                                   \
 244                                                            \
 245   /* Regular expressions */                                \
 246   F(RegExpCompile, 3, 1)                                   \
 247   F(RegExpExecMultiple, 4, 1)                              \
 248   F(RegExpInitializeObject, 6, 1)                          \
 249                                                            \
 250   /* JSON */                                               \
 251   F(ParseJson, 1, 1)                                       \
 252   F(BasicJSONStringify, 1, 1)                              \
 253   F(QuoteJSONString, 1, 1)                                 \
 254                                                            \
 255   /* Strings */                                            \
 256   F(StringIndexOf, 3, 1)                                   \
 257   F(StringLastIndexOf, 3, 1)                               \
 258   F(StringLocaleCompare, 2, 1)                             \
 259   F(StringReplaceGlobalRegExpWithString, 4, 1)             \
 260   F(StringReplaceOneCharWithString, 3, 1)                  \
 261   F(StringMatch, 3, 1)                                     \
 262   F(StringTrim, 3, 1)                                      \
 263   F(StringToArray, 2, 1)                                   \
 264   F(NewStringWrapper, 1, 1)                                \
 265   F(NewString, 2, 1)                                       \
 266   F(TruncateString, 2, 1)                                  \
 267                                                            \
 268   /* Numbers */                                            \
 269   F(NumberToRadixString, 2, 1)                             \
 270   F(NumberToFixed, 2, 1)                                   \
 271   F(NumberToExponential, 2, 1)                             \
 272   F(NumberToPrecision, 2, 1)                               \
 273   F(IsValidSmi, 1, 1)                                      \
 274                                                            \
 275   /* Classes support */                                    \
 276   F(ToMethod, 2, 1)                                        \
 277   F(HomeObjectSymbol, 0, 1)                                \
 278   F(ThrowNonMethodError, 0, 1)                             \
 279   F(ThrowUnsupportedSuperError, 0, 1)                      \
 280   F(LoadFromSuper, 3, 1)
 281
 282
 283 #define RUNTIME_FUNCTION_LIST_ALWAYS_2(F)                             \
 284   /* Reflection */                                                    \
 285   F(FunctionSetInstanceClassName, 2, 1)                               \
 286   F(FunctionSetLength, 2, 1)                                          \
 287   F(FunctionSetPrototype, 2, 1)                                       \
 288   F(FunctionGetName, 1, 1)                                            \
 289   F(FunctionSetName, 2, 1)                                            \
 290   F(FunctionNameShouldPrintAsAnonymous, 1, 1)                         \
 291   F(FunctionMarkNameShouldPrintAsAnonymous, 1, 1)                     \
 292   F(FunctionIsGenerator, 1, 1)                                        \
 293   F(FunctionIsArrow, 1, 1)                                            \
 294   F(FunctionIsConciseMethod, 1, 1)                                    \
 295   F(FunctionBindArguments, 4, 1)                                      \
 296   F(BoundFunctionGetBindings, 1, 1)                                   \
 297   F(FunctionRemovePrototype, 1, 1)                                    \
 298   F(FunctionGetSourceCode, 1, 1)                                      \
 299   F(FunctionGetScript, 1, 1)                                          \
 300   F(FunctionGetScriptSourcePosition, 1, 1)                            \
 301   F(FunctionGetPositionForOffset, 2, 1)                               \
 302   F(FunctionIsAPIFunction, 1, 1)                                      \
 303   F(FunctionIsBuiltin, 1, 1)                                          \
 304   F(GetScript, 1, 1)                                                  \
 305   F(CollectStackTrace, 2, 1)                                          \
 306   F(GetV8Version, 0, 1)                                               \
 307   F(GeneratorGetFunction, 1, 1)                                       \
 308   F(GeneratorGetContext, 1, 1)                                        \
 309   F(GeneratorGetReceiver, 1, 1)                                       \
 310   F(GeneratorGetContinuation, 1, 1)                                   \
 311   F(GeneratorGetSourcePosition, 1, 1)                                 \
 312                                                                       \
 313   F(SetCode, 2, 1)                                                    \
 314                                                                       \
 315   F(CreateApiFunction, 2, 1)                                          \
 316   F(IsTemplate, 1, 1)                                                 \
 317   F(GetTemplateField, 2, 1)                                           \
 318   F(DisableAccessChecks, 1, 1)                                        \
 319   F(EnableAccessChecks, 1, 1)                                         \
 320                                                                       \
 321   /* Dates */                                                         \
 322   F(DateCurrentTime, 0, 1)                                            \
 323   F(DateParseString, 2, 1)                                            \
 324   F(DateLocalTimezone, 1, 1)                                          \
 325   F(DateToUTC, 1, 1)                                                  \
 326   F(DateMakeDay, 2, 1)                                                \
 327   F(DateSetValue, 3, 1)                                               \
 328   F(DateCacheVersion, 0, 1)                                           \
 329                                                                       \
 330   /* Float32x4, Float64x2 and Int32x4 */                              \
 331   F(CreateFloat32x4, 4, 1)                                            \
 332   F(Float32x4GetX, 1, 1)                                              \
 333   F(Float32x4GetY, 1, 1)                                              \
 334   F(Float32x4GetZ, 1, 1)                                              \
 335   F(Float32x4GetW, 1, 1)                                              \
 336   F(Float32x4GetSignMask, 1, 1)                                       \
 337   F(CreateFloat64x2, 2, 1)                                            \
 338   F(Float64x2GetX, 1, 1)                                              \
 339   F(Float64x2GetY, 1, 1)                                              \
 340   F(Float64x2GetSignMask, 1, 1)                                       \
 341   F(CreateInt32x4, 4, 1)                                              \
 342   F(Int32x4GetX, 1, 1)                                                \
 343   F(Int32x4GetY, 1, 1)                                                \
 344   F(Int32x4GetZ, 1, 1)                                                \
 345   F(Int32x4GetW, 1, 1)                                                \
 346   F(Int32x4GetFlagX, 1, 1)                                            \
 347   F(Int32x4GetFlagY, 1, 1)                                            \
 348   F(Int32x4GetFlagZ, 1, 1)                                            \
 349   F(Int32x4GetFlagW, 1, 1)                                            \
 350   F(Int32x4GetSignMask, 1, 1)                                         \
 351                                                                       \
 352   /* Globals */                                                       \
 353   F(CompileString, 2, 1)                                              \
 354                                                                       \
 355   /* Eval */                                                          \
 356   F(GlobalProxy, 1, 1)                                                \
 357   F(IsAttachedGlobal, 1, 1)                                           \
 358                                                                       \
 359   F(AddNamedProperty, 4, 1)                                           \
 360   F(AddPropertyForTemplate, 4, 1)                                     \
 361   F(SetProperty, 4, 1)                                                \
 362   F(AddElement, 4, 1)                                                 \
 363   F(DefineApiAccessorProperty, 5, 1)                                  \
 364   F(DefineDataPropertyUnchecked, 4, 1)                                \
 365   F(DefineAccessorPropertyUnchecked, 5, 1)                            \
 366   F(GetDataProperty, 2, 1)                                            \
 367   F(SetHiddenProperty, 3, 1)                                          \
 368                                                                       \
 369   /* Arrays */                                                        \
 370   F(RemoveArrayHoles, 2, 1)                                           \
 371   F(GetArrayKeys, 2, 1)                                               \
 372   F(MoveArrayContents, 2, 1)                                          \
 373   F(EstimateNumberOfElements, 1, 1)                                   \
 374   F(NormalizeElements, 1, 1)                                          \
 375                                                                       \
 376   /* Getters and Setters */                                           \
 377   F(LookupAccessor, 3, 1)                                             \
 378                                                                       \
 379   /* ES5 */                                                           \
 380   F(ObjectFreeze, 1, 1)                                               \
 381                                                                       \
 382   /* Harmony modules */                                               \
 383   F(IsJSModule, 1, 1)                                                 \
 384                                                                       \
 385   /* Harmony symbols */                                               \
 386   F(CreateSymbol, 1, 1)                                               \
 387   F(CreatePrivateSymbol, 1, 1)                                        \
 388   F(CreateGlobalPrivateOwnSymbol, 1, 1)                               \
 389   F(CreatePrivateOwnSymbol, 1, 1)                                     \
 390   F(NewSymbolWrapper, 1, 1)                                           \
 391   F(SymbolDescription, 1, 1)                                          \
 392   F(SymbolRegistry, 0, 1)                                             \
 393   F(SymbolIsPrivate, 1, 1)                                            \
 394                                                                       \
 395   /* Harmony proxies */                                               \
 396   F(CreateJSProxy, 2, 1)                                              \
 397   F(CreateJSFunctionProxy, 4, 1)                                      \
 398   F(IsJSProxy, 1, 1)                                                  \
 399   F(IsJSFunctionProxy, 1, 1)                                          \
 400   F(GetHandler, 1, 1)                                                 \
 401   F(GetCallTrap, 1, 1)                                                \
 402   F(GetConstructTrap, 1, 1)                                           \
 403   F(Fix, 1, 1)                                                        \
 404                                                                       \
 405   /* Harmony sets */                                                  \
 406   F(SetInitialize, 1, 1)                                              \
 407   F(SetAdd, 2, 1)                                                     \
 408   F(SetHas, 2, 1)                                                     \
 409   F(SetDelete, 2, 1)                                                  \
 410   F(SetClear, 1, 1)                                                   \
 411   F(SetGetSize, 1, 1)                                                 \
 412                                                                       \
 413   F(SetIteratorInitialize, 3, 1)                                      \
 414   F(SetIteratorNext, 2, 1)                                            \
 415                                                                       \
 416   /* Harmony maps */                                                  \
 417   F(MapInitialize, 1, 1)                                              \
 418   F(MapGet, 2, 1)                                                     \
 419   F(MapHas, 2, 1)                                                     \
 420   F(MapDelete, 2, 1)                                                  \
 421   F(MapClear, 1, 1)                                                   \
 422   F(MapSet, 3, 1)                                                     \
 423   F(MapGetSize, 1, 1)                                                 \
 424                                                                       \
 425   F(MapIteratorInitialize, 3, 1)                                      \
 426   F(MapIteratorNext, 2, 1)                                            \
 427                                                                       \
 428   /* Harmony weak maps and sets */                                    \
 429   F(WeakCollectionInitialize, 1, 1)                                   \
 430   F(WeakCollectionGet, 2, 1)                                          \
 431   F(WeakCollectionHas, 2, 1)                                          \
 432   F(WeakCollectionDelete, 2, 1)                                       \
 433   F(WeakCollectionSet, 3, 1)                                          \
 434                                                                       \
 435   F(GetWeakMapEntries, 1, 1)                                          \
 436   F(GetWeakSetValues, 1, 1)                                           \
 437                                                                       \
 438   /* Harmony events */                                                \
 439   F(EnqueueMicrotask, 1, 1)                                           \
 440   F(RunMicrotasks, 0, 1)                                              \
 441                                                                       \
 442   /* Harmony observe */                                               \
 443   F(IsObserved, 1, 1)                                                 \
 444   F(SetIsObserved, 1, 1)                                              \
 445   F(GetObservationState, 0, 1)                                        \
 446   F(ObservationWeakMapCreate, 0, 1)                                   \
 447   F(ObserverObjectAndRecordHaveSameOrigin, 3, 1)                      \
 448   F(ObjectWasCreatedInCurrentOrigin, 1, 1)                            \
 449   F(GetObjectContextObjectObserve, 1, 1)                              \
 450   F(GetObjectContextObjectGetNotifier, 1, 1)                          \
 451   F(GetObjectContextNotifierPerformChange, 1, 1)                      \
 452                                                                       \
 453   /* Harmony typed arrays */                                          \
 454   F(ArrayBufferInitialize, 2, 1)                                      \
 455   F(ArrayBufferSliceImpl, 3, 1)                                       \
 456   F(ArrayBufferIsView, 1, 1)                                          \
 457   F(ArrayBufferNeuter, 1, 1)                                          \
 458                                                                       \
 459   F(TypedArrayInitializeFromArrayLike, 4, 1)                          \
 460   F(TypedArrayGetBuffer, 1, 1)                                        \
 461   F(TypedArraySetFastCases, 3, 1)                                     \
 462                                                                       \
 463   F(DataViewGetBuffer, 1, 1)                                          \
 464   F(DataViewGetInt8, 3, 1)                                            \
 465   F(DataViewGetUint8, 3, 1)                                           \
 466   F(DataViewGetInt16, 3, 1)                                           \
 467   F(DataViewGetUint16, 3, 1)                                          \
 468   F(DataViewGetInt32, 3, 1)                                           \
 469   F(DataViewGetUint32, 3, 1)                                          \
 470   F(DataViewGetFloat32, 3, 1)                                         \
 471   F(DataViewGetFloat64, 3, 1)                                         \
 472                                                                       \
 473   F(DataViewSetInt8, 4, 1)                                            \
 474   F(DataViewSetUint8, 4, 1)                                           \
 475   F(DataViewSetInt16, 4, 1)                                           \
 476   F(DataViewSetUint16, 4, 1)                                          \
 477   F(DataViewSetInt32, 4, 1)                                           \
 478   F(DataViewSetUint32, 4, 1)                                          \
 479   F(DataViewSetFloat32, 4, 1)                                         \
 480   F(DataViewSetFloat64, 4, 1)                                         \
 481                                                                       \
 482   /* Statements */                                                    \
 483   F(NewObjectFromBound, 1, 1)                                         \
 484                                                                       \
 485   /* Declarations and initialization */                               \
 486   F(InitializeVarGlobal, 3, 1)                                        \
 487   F(OptimizeObjectForAddingMultipleProperties, 2, 1)                  \
 488                                                                       \
 489   /* Debugging */                                                     \
 490   F(DebugPrint, 1, 1)                                                 \
 491   F(GlobalPrint, 1, 1)                                                \
 492   F(DebugTrace, 0, 1)                                                 \
 493   F(TraceEnter, 0, 1)                                                 \
 494   F(TraceExit, 1, 1)                                                  \
 495   F(Abort, 1, 1)                                                      \
 496   F(AbortJS, 1, 1)                                                    \
 497   /* ES5 */                                                           \
 498   F(OwnKeys, 1, 1)                                                    \
 499                                                                       \
 500   /* Message objects */                                               \
 501   F(MessageGetStartPosition, 1, 1)                                    \
 502   F(MessageGetScript, 1, 1)                                           \
 503                                                                       \
 504   /* Pseudo functions - handled as macros by parser */                \
 505   F(IS_VAR, 1, 1)                                                     \
 506                                                                       \
 507   /* expose boolean functions from objects-inl.h */                   \
 508   F(HasFastSmiElements, 1, 1)                                         \
 509   F(HasFastSmiOrObjectElements, 1, 1)                                 \
 510   F(HasFastObjectElements, 1, 1)                                      \
 511   F(HasFastDoubleElements, 1, 1)                                      \
 512   F(HasFastHoleyElements, 1, 1)                                       \
 513   F(HasDictionaryElements, 1, 1)                                      \
 514   F(HasSloppyArgumentsElements, 1, 1)                                 \
 515   F(HasExternalUint8ClampedElements, 1, 1)                            \
 516   F(HasExternalArrayElements, 1, 1)                                   \
 517   F(HasExternalInt8Elements, 1, 1)                                    \
 518   F(HasExternalUint8Elements, 1, 1)                                   \
 519   F(HasExternalInt16Elements, 1, 1)                                   \
 520   F(HasExternalUint16Elements, 1, 1)                                  \
 521   F(HasExternalInt32Elements, 1, 1)                                   \
 522   F(HasExternalUint32Elements, 1, 1)                                  \
 523   F(HasExternalFloat32Elements, 1, 1)                                 \
 524   F(HasExternalFloat32x4Elements, 1, 1)                               \
 525   F(HasExternalInt32x4Elements, 1, 1)                                 \
 526   F(HasExternalFloat64Elements, 1, 1)                                 \
 527   F(HasExternalFloat64x2Elements, 1, 1)                               \
 528   F(HasFixedUint8ClampedElements, 1, 1)                               \
 529   F(HasFixedInt8Elements, 1, 1)                                       \
 530   F(HasFixedUint8Elements, 1, 1)                                      \
 531   F(HasFixedInt16Elements, 1, 1)                                      \
 532   F(HasFixedUint16Elements, 1, 1)                                     \
 533   F(HasFixedInt32Elements, 1, 1)                                      \
 534   F(HasFixedUint32Elements, 1, 1)                                     \
 535   F(HasFixedFloat32Elements, 1, 1)                                    \
 536   F(HasFixedFloat64Elements, 1, 1)                                    \
 537   F(HasFastProperties, 1, 1)                                          \
 538   F(TransitionElementsKind, 2, 1)                                     \
 539   F(HaveSameMap, 2, 1)                                                \
 540   F(IsJSGlobalProxy, 1, 1)                                            \
 541   F(ForInInit, 2, 2)             /* TODO(turbofan): Only temporary */ \
 542   F(ForInNext, 4, 2)             /* TODO(turbofan): Only temporary */ \
 543   F(ForInCacheArrayLength, 2, 1) /* TODO(turbofan): Only temporary */
 544
 545
 546 #define RUNTIME_FUNCTION_LIST_ALWAYS_3(F)                    \
 547   /* String and Regexp */                                    \
 548   F(NumberToStringRT, 1, 1)                                  \
 549   F(RegExpConstructResult, 3, 1)                             \
 550   F(RegExpExecRT, 4, 1)                                      \
 551   F(StringAdd, 2, 1)                                         \
 552   F(SubString, 3, 1)                                         \
 553   F(InternalizeString, 1, 1)                                 \
 554   F(StringCompare, 2, 1)                                     \
 555   F(StringCharCodeAtRT, 2, 1)                                \
 556   F(GetFromCache, 2, 1)                                      \
 557                                                              \
 558   /* Compilation */                                          \
 559   F(CompileLazy, 1, 1)                                       \
 560   F(CompileOptimized, 2, 1)                                  \
 561   F(TryInstallOptimizedCode, 1, 1)                           \
 562   F(NotifyDeoptimized, 1, 1)                                 \
 563   F(NotifyStubFailure, 0, 1)                                 \
 564                                                              \
 565   /* Utilities */                                            \
 566   F(AllocateInNewSpace, 1, 1)                                \
 567   F(AllocateInTargetSpace, 2, 1)                             \
 568   F(AllocateHeapNumber, 0, 1)                                \
 569   F(NumberToSmi, 1, 1)                                       \
 570   F(NumberToStringSkipCache, 1, 1)                           \
 571                                                              \
 572   F(NewArguments, 1, 1) /* TODO(turbofan): Only temporary */ \
 573   F(NewSloppyArguments, 3, 1)                                \
 574   F(NewStrictArguments, 3, 1)                                \
 575                                                              \
 576   /* Harmony generators */                                   \
 577   F(CreateJSGeneratorObject, 0, 1)                           \
 578   F(SuspendJSGeneratorObject, 1, 1)                          \
 579   F(ResumeJSGeneratorObject, 3, 1)                           \
 580   F(ThrowGeneratorStateError, 1, 1)                          \
 581                                                              \
 582   /* Arrays */                                               \
 583   F(ArrayConstructor, -1, 1)                                 \
 584   F(InternalArrayConstructor, -1, 1)                         \
 585                                                              \
 586   /* Literals */                                             \
 587   F(MaterializeRegExpLiteral, 4, 1)                          \
 588   F(CreateObjectLiteral, 4, 1)                               \
 589   F(CreateArrayLiteral, 4, 1)                                \
 590   F(CreateArrayLiteralStubBailout, 3, 1)                     \
 591                                                              \
 592   /* Statements */                                           \
 593   F(NewClosure, 3, 1)                                        \
 594   F(NewClosureFromStubFailure, 1, 1)                         \
 595   F(NewObject, 1, 1)                                         \
 596   F(NewObjectWithAllocationSite, 2, 1)                       \
 597   F(FinalizeInstanceSize, 1, 1)                              \
 598   F(Throw, 1, 1)                                             \
 599   F(ReThrow, 1, 1)                                           \
 600   F(ThrowReferenceError, 1, 1)                               \
 601   F(ThrowNotDateError, 0, 1)                                 \
 602   F(StackGuard, 0, 1)                                        \
 603   F(Interrupt, 0, 1)                                         \
 604   F(PromoteScheduledException, 0, 1)                         \
 605                                                              \
 606   /* Contexts */                                             \
 607   F(NewGlobalContext, 2, 1)                                  \
 608   F(NewFunctionContext, 1, 1)                                \
 609   F(PushWithContext, 2, 1)                                   \
 610   F(PushCatchContext, 3, 1)                                  \
 611   F(PushBlockContext, 2, 1)                                  \
 612   F(PushModuleContext, 2, 1)                                 \
 613   F(DeleteLookupSlot, 2, 1)                                  \
 614   F(LoadLookupSlot, 2, 2)                                    \
 615   F(LoadLookupSlotNoReferenceError, 2, 2)                    \
 616   F(StoreLookupSlot, 4, 1)                                   \
 617                                                              \
 618   /* Declarations and initialization */                      \
 619   F(DeclareGlobals, 3, 1)                                    \
 620   F(DeclareModules, 1, 1)                                    \
 621   F(DeclareLookupSlot, 4, 1)                                 \
 622   F(InitializeConstGlobal, 2, 1)                             \
 623   F(InitializeLegacyConstLookupSlot, 3, 1)                   \
 624                                                              \
 625   /* Eval */                                                 \
 626   F(ResolvePossiblyDirectEval, 6, 2)                         \
 627                                                              \
 628   /* Maths */                                                \
 629   F(MathPowSlow, 2, 1)                                       \
 630   F(MathPowRT, 2, 1)
 631
 632
 633 #define RUNTIME_FUNCTION_LIST_DEBUGGER(F) \
 634   /* Debugger support*/ \
 635   F(DebugBreak, 0, 1) \
 636   F(SetDebugEventListener, 2, 1) \
 637   F(Break, 0, 1) \
 638   F(DebugGetPropertyDetails, 2, 1) \
 639   F(DebugGetProperty, 2, 1) \
 640   F(DebugPropertyTypeFromDetails, 1, 1) \
 641   F(DebugPropertyAttributesFromDetails, 1, 1) \
 642   F(DebugPropertyIndexFromDetails, 1, 1) \
 643   F(DebugNamedInterceptorPropertyValue, 2, 1) \
 644   F(DebugIndexedInterceptorElementValue, 2, 1) \
 645   F(CheckExecutionState, 1, 1) \
 646   F(GetFrameCount, 1, 1) \
 647   F(GetFrameDetails, 2, 1) \
 648   F(GetScopeCount, 2, 1) \
 649   F(GetStepInPositions, 2, 1) \
 650   F(GetScopeDetails, 4, 1) \
 651   F(GetAllScopesDetails, 4, 1) \
 652   F(GetFunctionScopeCount, 1, 1) \
 653   F(GetFunctionScopeDetails, 2, 1) \
 654   F(SetScopeVariableValue, 6, 1) \
 655   F(DebugPrintScopes, 0, 1) \
 656   F(GetThreadCount, 1, 1) \
 657   F(GetThreadDetails, 2, 1) \
 658   F(SetDisableBreak, 1, 1) \
 659   F(GetBreakLocations, 2, 1) \
 660   F(SetFunctionBreakPoint, 3, 1) \
 661   F(SetScriptBreakPoint, 4, 1) \
 662   F(ClearBreakPoint, 1, 1) \
 663   F(ChangeBreakOnException, 2, 1) \
 664   F(IsBreakOnException, 1, 1) \
 665   F(PrepareStep, 4, 1) \
 666   F(ClearStepping, 0, 1) \
 667   F(DebugEvaluate, 6, 1) \
 668   F(DebugEvaluateGlobal, 4, 1) \
 669   F(DebugGetLoadedScripts, 0, 1) \
 670   F(DebugReferencedBy, 3, 1) \
 671   F(DebugConstructedBy, 2, 1) \
 672   F(DebugGetPrototype, 1, 1) \
 673   F(DebugSetScriptSource, 2, 1) \
 674   F(DebugCallbackSupportsStepping, 1, 1) \
 675   F(SystemBreak, 0, 1) \
 676   F(DebugDisassembleFunction, 1, 1) \
 677   F(DebugDisassembleConstructor, 1, 1) \
 678   F(FunctionGetInferredName, 1, 1) \
 679   F(LiveEditFindSharedFunctionInfosForScript, 1, 1) \
 680   F(LiveEditGatherCompileInfo, 2, 1) \
 681   F(LiveEditReplaceScript, 3, 1) \
 682   F(LiveEditReplaceFunctionCode, 2, 1) \
 683   F(LiveEditFunctionSourceUpdated, 1, 1) \
 684   F(LiveEditFunctionSetScript, 2, 1) \
 685   F(LiveEditReplaceRefToNestedFunction, 3, 1) \
 686   F(LiveEditPatchFunctionPositions, 2, 1) \
 687   F(LiveEditCheckAndDropActivations, 2, 1) \
 688   F(LiveEditCompareStrings, 2, 1) \
 689   F(LiveEditRestartFrame, 2, 1) \
 690   F(GetFunctionCodePositionFromSource, 2, 1) \
 691   F(ExecuteInDebugContext, 2, 1) \
 692   \
 693   F(SetFlags, 1, 1) \
 694   F(CollectGarbage, 1, 1) \
 695   F(GetHeapUsage, 0, 1) \
 696
 697
 698 #ifdef V8_I18N_SUPPORT
 699 #define RUNTIME_FUNCTION_LIST_I18N_SUPPORT(F) \
 700   /* i18n support */ \
 701   /* Standalone, helper methods. */ \
 702   F(CanonicalizeLanguageTag, 1, 1) \
 703   F(AvailableLocalesOf, 1, 1) \
 704   F(GetDefaultICULocale, 0, 1) \
 705   F(GetLanguageTagVariants, 1, 1) \
 706   F(IsInitializedIntlObject, 1, 1) \
 707   F(IsInitializedIntlObjectOfType, 2, 1) \
 708   F(MarkAsInitializedIntlObjectOfType, 3, 1) \
 709   F(GetImplFromInitializedIntlObject, 1, 1) \
 710   \
 711   /* Date format and parse. */ \
 712   F(CreateDateTimeFormat, 3, 1) \
 713   F(InternalDateFormat, 2, 1) \
 714   F(InternalDateParse, 2, 1) \
 715   \
 716   /* Number format and parse. */ \
 717   F(CreateNumberFormat, 3, 1) \
 718   F(InternalNumberFormat, 2, 1) \
 719   F(InternalNumberParse, 2, 1) \
 720   \
 721   /* Collator. */ \
 722   F(CreateCollator, 3, 1) \
 723   F(InternalCompare, 3, 1) \
 724   \
 725   /* String.prototype.normalize. */ \
 726   F(StringNormalize, 2, 1) \
 727   \
 728   /* Break iterator. */ \
 729   F(CreateBreakIterator, 3, 1) \
 730   F(BreakIteratorAdoptText, 2, 1) \
 731   F(BreakIteratorFirst, 1, 1) \
 732   F(BreakIteratorNext, 1, 1) \
 733   F(BreakIteratorCurrent, 1, 1) \
 734   F(BreakIteratorBreakType, 1, 1) \
 735
 736 #else
 737 #define RUNTIME_FUNCTION_LIST_I18N_SUPPORT(F)
 738 #endif
 739
 740
 741 #ifdef DEBUG
 742 #define RUNTIME_FUNCTION_LIST_DEBUG(F) \
 743   /* Testing */ \
 744   F(ListNatives, 0, 1)
 745 #else
 746 #define RUNTIME_FUNCTION_LIST_DEBUG(F)
 747 #endif
 748
 749 // ----------------------------------------------------------------------------
 750 // RUNTIME_FUNCTION_LIST defines all runtime functions accessed
 751 // either directly by id (via the code generator), or indirectly
 752 // via a native call by name (from within JS code).
 753 // Entries have the form F(name, number of arguments, number of return values).
 754
 755 #define RUNTIME_FUNCTION_LIST(F) \
 756   RUNTIME_FUNCTION_LIST_ALWAYS_1(F) \
 757   RUNTIME_FUNCTION_LIST_ALWAYS_2(F) \
 758   RUNTIME_FUNCTION_LIST_ALWAYS_3(F) \
 759   RUNTIME_FUNCTION_LIST_DEBUG(F) \
 760   RUNTIME_FUNCTION_LIST_DEBUGGER(F) \
 761   RUNTIME_FUNCTION_LIST_I18N_SUPPORT(F)
 762
 763 // ----------------------------------------------------------------------------
 764 // INLINE_FUNCTION_LIST defines all inlined functions accessed
 765 // with a native call of the form %_name from within JS code.
 766 // Entries have the form F(name, number of arguments, number of return values).
 767 #define INLINE_FUNCTION_LIST(F)                             \
 768   F(IsSmi, 1, 1)                                            \
 769   F(IsNonNegativeSmi, 1, 1)                                 \
 770   F(IsArray, 1, 1)                                          \
 771   F(IsRegExp, 1, 1)                                         \
 772   F(IsConstructCall, 0, 1)                                  \
 773   F(CallFunction, -1 /* receiver + n args + function */, 1) \
 774   F(ArgumentsLength, 0, 1)                                  \
 775   F(Arguments, 1, 1)                                        \
 776   F(ValueOf, 1, 1)                                          \
 777   F(SetValueOf, 2, 1)                                       \
 778   F(DateField, 2 /* date object, field index */, 1)         \
 779   F(StringCharFromCode, 1, 1)                               \
 780   F(StringCharAt, 2, 1)                                     \
 781   F(OneByteSeqStringSetChar, 3, 1)                          \
 782   F(TwoByteSeqStringSetChar, 3, 1)                          \
 783   F(ObjectEquals, 2, 1)                                     \
 784   F(IsObject, 1, 1)                                         \
 785   F(IsFunction, 1, 1)                                       \
 786   F(IsUndetectableObject, 1, 1)                             \
 787   F(IsSpecObject, 1, 1)                                     \
 788   F(IsStringWrapperSafeForDefaultValueOf, 1, 1)             \
 789   F(MathPow, 2, 1)                                          \
 790   F(IsMinusZero, 1, 1)                                      \
 791   F(HasCachedArrayIndex, 1, 1)                              \
 792   F(GetCachedArrayIndex, 1, 1)                              \
 793   F(FastOneByteArrayJoin, 2, 1)                             \
 794   F(GeneratorNext, 2, 1)                                    \
 795   F(GeneratorThrow, 2, 1)                                   \
 796   F(DebugBreakInOptimizedCode, 0, 1)                        \
 797   F(ClassOf, 1, 1)                                          \
 798   F(StringCharCodeAt, 2, 1)                                 \
 799   F(StringAdd, 2, 1)                                        \
 800   F(SubString, 3, 1)                                        \
 801   F(StringCompare, 2, 1)                                    \
 802   F(RegExpExec, 4, 1)                                       \
 803   F(RegExpConstructResult, 3, 1)                            \
 804   F(GetFromCache, 2, 1)                                     \
 805   F(NumberToString, 1, 1)                                   \
 806   F(DebugIsActive, 0, 1)
 807
 808
 809 // ----------------------------------------------------------------------------
 810 // INLINE_OPTIMIZED_FUNCTION_LIST defines all inlined functions accessed
 811 // with a native call of the form %_name from within JS code that also have
 812 // a corresponding runtime function, that is called from non-optimized code.
 813 // For the benefit of (fuzz) tests, the runtime version can also be called
 814 // directly as %name (i.e. without the leading underscore).
 815 // Entries have the form F(name, number of arguments, number of return values).
 816 #define INLINE_OPTIMIZED_FUNCTION_LIST(F) \
 817   /* Typed Arrays */                                                         \
 818   F(TypedArrayInitialize, 5, 1)                                              \
 819   F(DataViewInitialize, 4, 1)                                                \
 820   F(MaxSmi, 0, 1)                                                            \
 821   F(TypedArrayMaxSizeInHeap, 0, 1)                                           \
 822   F(ArrayBufferViewGetByteLength, 1, 1)                                      \
 823   F(ArrayBufferViewGetByteOffset, 1, 1)                                      \
 824   F(TypedArrayGetLength, 1, 1)                                               \
 825   /* ArrayBuffer */                                                          \
 826   F(ArrayBufferGetByteLength, 1, 1)                                          \
 827   /* Maths */                                                                \
 828   F(ConstructDouble, 2, 1)                                                   \
 829   F(DoubleHi, 1, 1)                                                          \
 830   F(DoubleLo, 1, 1)                                                          \
 831   F(MathSqrtRT, 1, 1)                                                        \
 832   F(MathLogRT, 1, 1)
 833
 834
 835 //---------------------------------------------------------------------------
 836 // Runtime provides access to all C++ runtime functions.
 837
 838 class RuntimeState {
 839  public:
 840   StaticResource<ConsStringIteratorOp>* string_iterator() {
 841     return &string_iterator_;
 842   }
 843   unibrow::Mapping<unibrow::ToUppercase, 128>* to_upper_mapping() {
 844     return &to_upper_mapping_;
 845   }
 846   unibrow::Mapping<unibrow::ToLowercase, 128>* to_lower_mapping() {
 847     return &to_lower_mapping_;
 848   }
 849   ConsStringIteratorOp* string_iterator_compare_x() {
 850     return &string_iterator_compare_x_;
 851   }
 852   ConsStringIteratorOp* string_iterator_compare_y() {
 853     return &string_iterator_compare_y_;
 854   }
 855   ConsStringIteratorOp* string_locale_compare_it1() {
 856     return &string_locale_compare_it1_;
 857   }
 858   ConsStringIteratorOp* string_locale_compare_it2() {
 859     return &string_locale_compare_it2_;
 860   }
 861
 862  private:
 863   RuntimeState() {}
 864   // Non-reentrant string buffer for efficient general use in the runtime.
 865   StaticResource<ConsStringIteratorOp> string_iterator_;
 866   unibrow::Mapping<unibrow::ToUppercase, 128> to_upper_mapping_;
 867   unibrow::Mapping<unibrow::ToLowercase, 128> to_lower_mapping_;
 868   ConsStringIteratorOp string_iterator_compare_x_;
 869   ConsStringIteratorOp string_iterator_compare_y_;
 870   ConsStringIteratorOp string_locale_compare_it1_;
 871   ConsStringIteratorOp string_locale_compare_it2_;
 872
 873   friend class Isolate;
 874   friend class Runtime;
 875
 876   DISALLOW_COPY_AND_ASSIGN(RuntimeState);
 877 };
 878
 879
 880 class Runtime : public AllStatic {
 881  public:
 882   enum FunctionId {
 883 #define F(name, nargs, ressize) k##name,
 884     RUNTIME_FUNCTION_LIST(F)
 885     INLINE_OPTIMIZED_FUNCTION_LIST(F)
 886 #undef F
 887 #define F(name, nargs, ressize) kInline##name,
 888     INLINE_FUNCTION_LIST(F)
 889 #undef F
 890 #define F(name, nargs, ressize) kInlineOptimized##name,
 891     INLINE_OPTIMIZED_FUNCTION_LIST(F)
 892 #undef F
 893     kNumFunctions,
 894     kFirstInlineFunction = kInlineIsSmi
 895   };
 896
 897   enum IntrinsicType {
 898     RUNTIME,
 899     INLINE,
 900     INLINE_OPTIMIZED
 901   };
 902
 903   // Intrinsic function descriptor.
 904   struct Function {
 905     FunctionId function_id;
 906     IntrinsicType intrinsic_type;
 907     // The JS name of the function.
 908     const char* name;
 909
 910     // The C++ (native) entry point.  NULL if the function is inlined.
 911     byte* entry;
 912
 913     // The number of arguments expected. nargs is -1 if the function takes
 914     // a variable number of arguments.
 915     int nargs;
 916     // Size of result.  Most functions return a single pointer, size 1.
 917     int result_size;
 918   };
 919
 920   static const int kNotFound = -1;
 921
 922   // Add internalized strings for all the intrinsic function names to a
 923   // StringDictionary.
 924   static void InitializeIntrinsicFunctionNames(Isolate* isolate,
 925                                                Handle<NameDictionary> dict);
 926
 927   // Get the intrinsic function with the given name, which must be internalized.
 928   static const Function* FunctionForName(Handle<String> name);
 929
 930   // Get the intrinsic function with the given FunctionId.
 931   static const Function* FunctionForId(FunctionId id);
 932
 933   // Get the intrinsic function with the given function entry address.
 934   static const Function* FunctionForEntry(Address ref);
 935
 936   // General-purpose helper functions for runtime system.
 937   static int StringMatch(Isolate* isolate,
 938                          Handle<String> sub,
 939                          Handle<String> pat,
 940                          int index);
 941
 942   static bool IsUpperCaseChar(RuntimeState* runtime_state, uint16_t ch);
 943
 944   // TODO(1240886): Some of the following methods are *not* handle safe, but
 945   // accept handle arguments. This seems fragile.
 946
 947   // Support getting the characters in a string using [] notation as
 948   // in Firefox/SpiderMonkey, Safari and Opera.
 949   MUST_USE_RESULT static MaybeHandle<Object> GetElementOrCharAt(
 950       Isolate* isolate,
 951       Handle<Object> object,
 952       uint32_t index);
 953
 954   MUST_USE_RESULT static MaybeHandle<Object> SetObjectProperty(
 955       Isolate* isolate, Handle<Object> object, Handle<Object> key,
 956       Handle<Object> value, StrictMode strict_mode);
 957
 958   MUST_USE_RESULT static MaybeHandle<Object> DefineObjectProperty(
 959       Handle<JSObject> object, Handle<Object> key, Handle<Object> value,
 960       PropertyAttributes attr);
 961
 962   MUST_USE_RESULT static MaybeHandle<Object> DeleteObjectProperty(
 963       Isolate* isolate,
 964       Handle<JSReceiver> object,
 965       Handle<Object> key,
 966       JSReceiver::DeleteMode mode);
 967
 968   MUST_USE_RESULT static MaybeHandle<Object> HasObjectProperty(
 969       Isolate* isolate,
 970       Handle<JSReceiver> object,
 971       Handle<Object> key);
 972
 973   MUST_USE_RESULT static MaybeHandle<Object> GetObjectProperty(
 974       Isolate* isolate,
 975       Handle<Object> object,
 976       Handle<Object> key);
 977
 978   static void SetupArrayBuffer(Isolate* isolate,
 979                                Handle<JSArrayBuffer> array_buffer,
 980                                bool is_external,
 981                                void* data,
 982                                size_t allocated_length);
 983
 984   static bool SetupArrayBufferAllocatingData(
 985       Isolate* isolate,
 986       Handle<JSArrayBuffer> array_buffer,
 987       size_t allocated_length,
 988       bool initialize = true);
 989
 990   static void NeuterArrayBuffer(Handle<JSArrayBuffer> array_buffer);
 991
 992   static void FreeArrayBuffer(
 993       Isolate* isolate,
 994       JSArrayBuffer* phantom_array_buffer);
 995
 996   enum TypedArrayId {
 997     // arrayIds below should be synchromized with typedarray.js natives.
 998     ARRAY_ID_UINT8 = 1,
 999     ARRAY_ID_INT8 = 2,
1000     ARRAY_ID_UINT16 = 3,
1001     ARRAY_ID_INT16 = 4,
1002     ARRAY_ID_UINT32 = 5,
1003     ARRAY_ID_INT32 = 6,
1004     ARRAY_ID_FLOAT32 = 7,
1005     ARRAY_ID_FLOAT64 = 8,
1006     ARRAY_ID_UINT8_CLAMPED = 9,
1007     ARRAY_ID_FLOAT32x4 = 10,
1008     ARRAY_ID_FLOAT64x2 = 11,
1009     ARRAY_ID_INT32x4 = 12,
1010     ARRAY_ID_FIRST = ARRAY_ID_UINT8,
1011     ARRAY_ID_LAST = ARRAY_ID_INT32x4
1012   };
1013
1014   static void ArrayIdToTypeAndSize(int array_id,
1015       ExternalArrayType *type,
1016       ElementsKind* external_elements_kind,
1017       ElementsKind* fixed_elements_kind,
1018       size_t *element_size);
1019
1020   // Used in runtime.cc and hydrogen's VisitArrayLiteral.
1021   MUST_USE_RESULT static MaybeHandle<Object> CreateArrayLiteralBoilerplate(
1022       Isolate* isolate,
1023       Handle<FixedArray> literals,
1024       Handle<FixedArray> elements);
1025 };
1026
1027
1028 //---------------------------------------------------------------------------
1029 // Constants used by interface to runtime functions.
1030
1031 class AllocateDoubleAlignFlag:  public BitField<bool,            0, 1> {};
1032 class AllocateTargetSpace:      public BitField<AllocationSpace, 1, 3> {};
1033
1034 class DeclareGlobalsEvalFlag:   public BitField<bool,       0, 1> {};
1035 class DeclareGlobalsNativeFlag: public BitField<bool,       1, 1> {};
1036 class DeclareGlobalsStrictMode: public BitField<StrictMode, 2, 1> {};
1037
1038 } }  // namespace v8::internal
1039
1040 #endif  // V8_RUNTIME_H_