1 // Copyright 2012 the V8 project authors. All rights reserved. 2 // Redistribution and use in source and binary forms, with or without 3 // modification, are permitted provided that the following conditions are 4 // met: 5 // 6 // * Redistributions of source code must retain the above copyright 7 // notice, this list of conditions and the following disclaimer. 8 // * Redistributions in binary form must reproduce the above 9 // copyright notice, this list of conditions and the following 10 // disclaimer in the documentation and/or other materials provided 11 // with the distribution. 12 // * Neither the name of Google Inc. nor the names of its 13 // contributors may be used to endorse or promote products derived 14 // from this software without specific prior written permission. 15 // 16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 28 #ifndef V8_RUNTIME_H_ 29 #define V8_RUNTIME_H_ 30 31 #include "allocation.h" 32 #include "zone.h" 33 34 namespace v8 { 35 namespace internal { 36 37 // The interface to C++ runtime functions. 38 39 // ---------------------------------------------------------------------------- 40 // RUNTIME_FUNCTION_LIST_ALWAYS defines runtime calls available in both 41 // release and debug mode. 42 // This macro should only be used by the macro RUNTIME_FUNCTION_LIST. 43 44 // WARNING: RUNTIME_FUNCTION_LIST_ALWAYS_* is a very large macro that caused 45 // MSVC Intellisense to crash. It was broken into two macros to work around 46 // this problem. Please avoid large recursive macros whenever possible. 47 #define RUNTIME_FUNCTION_LIST_ALWAYS_1(F) \ 48 /* Property access */ \ 49 F(GetProperty, 2, 1) \ 50 F(KeyedGetProperty, 2, 1) \ 51 F(DeleteProperty, 3, 1) \ 52 F(HasLocalProperty, 2, 1) \ 53 F(HasProperty, 2, 1) \ 54 F(HasElement, 2, 1) \ 55 F(IsPropertyEnumerable, 2, 1) \ 56 F(GetPropertyNames, 1, 1) \ 57 F(GetPropertyNamesFast, 1, 1) \ 58 F(GetLocalPropertyNames, 2, 1) \ 59 F(GetLocalElementNames, 1, 1) \ 60 F(GetInterceptorInfo, 1, 1) \ 61 F(GetNamedInterceptorPropertyNames, 1, 1) \ 62 F(GetIndexedInterceptorElementNames, 1, 1) \ 63 F(GetArgumentsProperty, 1, 1) \ 64 F(ToFastProperties, 1, 1) \ 65 F(FinishArrayPrototypeSetup, 1, 1) \ 66 F(SpecialArrayFunctions, 1, 1) \ 67 F(IsCallable, 1, 1) \ 68 F(IsClassicModeFunction, 1, 1) \ 69 F(GetDefaultReceiver, 1, 1) \ 70 \ 71 F(GetPrototype, 1, 1) \ 72 F(SetPrototype, 2, 1) \ 73 F(IsInPrototypeChain, 2, 1) \ 74 \ 75 F(GetOwnProperty, 2, 1) \ 76 \ 77 F(IsExtensible, 1, 1) \ 78 F(PreventExtensions, 1, 1)\ 79 \ 80 /* Utilities */ \ 81 F(CheckIsBootstrapping, 0, 1) \ 82 F(GetRootNaN, 0, 1) \ 83 F(Call, -1 /* >= 2 */, 1) \ 84 F(Apply, 5, 1) \ 85 F(GetFunctionDelegate, 1, 1) \ 86 F(GetConstructorDelegate, 1, 1) \ 87 F(NewArgumentsFast, 3, 1) \ 88 F(NewStrictArgumentsFast, 3, 1) \ 89 F(LazyCompile, 1, 1) \ 90 F(LazyRecompile, 1, 1) \ 91 F(ConcurrentRecompile, 1, 1) \ 92 F(TryInstallRecompiledCode, 1, 1) \ 93 F(NotifyDeoptimized, 1, 1) \ 94 F(NotifyStubFailure, 0, 1) \ 95 F(DeoptimizeFunction, 1, 1) \ 96 F(ClearFunctionTypeFeedback, 1, 1) \ 97 F(RunningInSimulator, 0, 1) \ 98 F(IsConcurrentRecompilationSupported, 0, 1) \ 99 F(OptimizeFunctionOnNextCall, -1, 1) \ 100 F(NeverOptimizeFunction, 1, 1) \ 101 F(GetOptimizationStatus, -1, 1) \ 102 F(GetOptimizationCount, 1, 1) \ 103 F(UnblockConcurrentRecompilation, 0, 1) \ 104 F(CompileForOnStackReplacement, 2, 1) \ 105 F(SetAllocationTimeout, 2, 1) \ 106 F(AllocateInNewSpace, 1, 1) \ 107 F(AllocateInTargetSpace, 2, 1) \ 108 F(SetNativeFlag, 1, 1) \ 109 F(SetInlineBuiltinFlag, 1, 1) \ 110 F(StoreArrayLiteralElement, 5, 1) \ 111 F(DebugCallbackSupportsStepping, 1, 1) \ 112 F(DebugPrepareStepInIfStepping, 1, 1) \ 113 F(FlattenString, 1, 1) \ 114 F(MigrateInstance, 1, 1) \ 115 F(NotifyContextDisposed, 0, 1) \ 116 F(MaxSmi, 0, 1) \ 117 \ 118 /* Array join support */ \ 119 F(PushIfAbsent, 2, 1) \ 120 F(ArrayConcat, 1, 1) \ 121 \ 122 /* Conversions */ \ 123 F(ToBool, 1, 1) \ 124 F(Typeof, 1, 1) \ 125 \ 126 F(StringToNumber, 1, 1) \ 127 F(StringParseInt, 2, 1) \ 128 F(StringParseFloat, 1, 1) \ 129 F(StringToLowerCase, 1, 1) \ 130 F(StringToUpperCase, 1, 1) \ 131 F(StringSplit, 3, 1) \ 132 F(CharFromCode, 1, 1) \ 133 F(URIEscape, 1, 1) \ 134 F(URIUnescape, 1, 1) \ 135 \ 136 F(NumberToString, 1, 1) \ 137 F(NumberToStringSkipCache, 1, 1) \ 138 F(NumberToInteger, 1, 1) \ 139 F(NumberToPositiveInteger, 1, 1) \ 140 F(NumberToIntegerMapMinusZero, 1, 1) \ 141 F(NumberToJSUint32, 1, 1) \ 142 F(NumberToJSInt32, 1, 1) \ 143 F(NumberToSmi, 1, 1) \ 144 F(AllocateHeapNumber, 0, 1) \ 145 \ 146 /* Arithmetic operations */ \ 147 F(NumberAdd, 2, 1) \ 148 F(NumberSub, 2, 1) \ 149 F(NumberMul, 2, 1) \ 150 F(NumberDiv, 2, 1) \ 151 F(NumberMod, 2, 1) \ 152 F(NumberUnaryMinus, 1, 1) \ 153 F(NumberAlloc, 0, 1) \ 154 F(NumberImul, 2, 1) \ 155 \ 156 F(StringAdd, 2, 1) \ 157 F(StringBuilderConcat, 3, 1) \ 158 F(StringBuilderJoin, 3, 1) \ 159 F(SparseJoinWithSeparator, 3, 1) \ 160 \ 161 /* Bit operations */ \ 162 F(NumberOr, 2, 1) \ 163 F(NumberAnd, 2, 1) \ 164 F(NumberXor, 2, 1) \ 165 \ 166 F(NumberShl, 2, 1) \ 167 F(NumberShr, 2, 1) \ 168 F(NumberSar, 2, 1) \ 169 \ 170 /* Comparisons */ \ 171 F(NumberEquals, 2, 1) \ 172 F(StringEquals, 2, 1) \ 173 \ 174 F(NumberCompare, 3, 1) \ 175 F(SmiLexicographicCompare, 2, 1) \ 176 F(StringCompare, 2, 1) \ 177 \ 178 /* Math */ \ 179 F(Math_acos, 1, 1) \ 180 F(Math_asin, 1, 1) \ 181 F(Math_atan, 1, 1) \ 182 F(Math_atan2, 2, 1) \ 183 F(Math_cos, 1, 1) \ 184 F(Math_exp, 1, 1) \ 185 F(Math_floor, 1, 1) \ 186 F(Math_log, 1, 1) \ 187 F(Math_pow, 2, 1) \ 188 F(Math_pow_cfunction, 2, 1) \ 189 F(RoundNumber, 1, 1) \ 190 F(Math_sin, 1, 1) \ 191 F(Math_sqrt, 1, 1) \ 192 F(Math_tan, 1, 1) \ 193 \ 194 /* Regular expressions */ \ 195 F(RegExpCompile, 3, 1) \ 196 F(RegExpExec, 4, 1) \ 197 F(RegExpExecMultiple, 4, 1) \ 198 F(RegExpInitializeObject, 5, 1) \ 199 F(RegExpConstructResult, 3, 1) \ 200 \ 201 /* JSON */ \ 202 F(ParseJson, 1, 1) \ 203 F(BasicJSONStringify, 1, 1) \ 204 F(QuoteJSONString, 1, 1) \ 205 \ 206 /* Strings */ \ 207 F(StringCharCodeAt, 2, 1) \ 208 F(StringIndexOf, 3, 1) \ 209 F(StringLastIndexOf, 3, 1) \ 210 F(StringLocaleCompare, 2, 1) \ 211 F(SubString, 3, 1) \ 212 F(StringReplaceGlobalRegExpWithString, 4, 1) \ 213 F(StringReplaceOneCharWithString, 3, 1) \ 214 F(StringMatch, 3, 1) \ 215 F(StringTrim, 3, 1) \ 216 F(StringToArray, 2, 1) \ 217 F(NewStringWrapper, 1, 1) \ 218 F(NewString, 2, 1) \ 219 F(TruncateString, 2, 1) \ 220 \ 221 /* Numbers */ \ 222 F(NumberToRadixString, 2, 1) \ 223 F(NumberToFixed, 2, 1) \ 224 F(NumberToExponential, 2, 1) \ 225 F(NumberToPrecision, 2, 1) \ 226 F(IsValidSmi, 1, 1) 227 228 229 #define RUNTIME_FUNCTION_LIST_ALWAYS_2(F) \ 230 /* Reflection */ \ 231 F(FunctionSetInstanceClassName, 2, 1) \ 232 F(FunctionSetLength, 2, 1) \ 233 F(FunctionSetPrototype, 2, 1) \ 234 F(FunctionSetReadOnlyPrototype, 1, 1) \ 235 F(FunctionGetName, 1, 1) \ 236 F(FunctionSetName, 2, 1) \ 237 F(FunctionNameShouldPrintAsAnonymous, 1, 1) \ 238 F(FunctionMarkNameShouldPrintAsAnonymous, 1, 1) \ 239 F(FunctionIsGenerator, 1, 1) \ 240 F(FunctionBindArguments, 4, 1) \ 241 F(BoundFunctionGetBindings, 1, 1) \ 242 F(FunctionRemovePrototype, 1, 1) \ 243 F(FunctionGetSourceCode, 1, 1) \ 244 F(FunctionGetScript, 1, 1) \ 245 F(FunctionGetScriptSourcePosition, 1, 1) \ 246 F(FunctionGetPositionForOffset, 2, 1) \ 247 F(FunctionIsAPIFunction, 1, 1) \ 248 F(FunctionIsBuiltin, 1, 1) \ 249 F(GetScript, 1, 1) \ 250 F(CollectStackTrace, 3, 1) \ 251 F(GetAndClearOverflowedStackTrace, 1, 1) \ 252 F(GetV8Version, 0, 1) \ 253 \ 254 F(ClassOf, 1, 1) \ 255 F(SetCode, 2, 1) \ 256 F(SetExpectedNumberOfProperties, 2, 1) \ 257 \ 258 F(CreateApiFunction, 1, 1) \ 259 F(IsTemplate, 1, 1) \ 260 F(GetTemplateField, 2, 1) \ 261 F(DisableAccessChecks, 1, 1) \ 262 F(EnableAccessChecks, 1, 1) \ 263 F(SetAccessorProperty, 6, 1) \ 264 \ 265 /* Dates */ \ 266 F(DateCurrentTime, 0, 1) \ 267 F(DateParseString, 2, 1) \ 268 F(DateLocalTimezone, 1, 1) \ 269 F(DateToUTC, 1, 1) \ 270 F(DateMakeDay, 2, 1) \ 271 F(DateSetValue, 3, 1) \ 272 \ 273 /* Numbers */ \ 274 \ 275 /* Globals */ \ 276 F(CompileString, 2, 1) \ 277 F(GlobalPrint, 1, 1) \ 278 \ 279 /* Eval */ \ 280 F(GlobalReceiver, 1, 1) \ 281 F(IsAttachedGlobal, 1, 1) \ 282 F(ResolvePossiblyDirectEval, 5, 2) \ 283 \ 284 F(SetProperty, -1 /* 4 or 5 */, 1) \ 285 F(DefineOrRedefineDataProperty, 4, 1) \ 286 F(DefineOrRedefineAccessorProperty, 5, 1) \ 287 F(IgnoreAttributesAndSetProperty, -1 /* 3 or 4 */, 1) \ 288 F(GetDataProperty, 2, 1) \ 289 \ 290 /* Arrays */ \ 291 F(RemoveArrayHoles, 2, 1) \ 292 F(GetArrayKeys, 2, 1) \ 293 F(MoveArrayContents, 2, 1) \ 294 F(EstimateNumberOfElements, 1, 1) \ 295 F(ArrayConstructor, -1, 1) \ 296 F(InternalArrayConstructor, -1, 1) \ 297 \ 298 /* Getters and Setters */ \ 299 F(LookupAccessor, 3, 1) \ 300 \ 301 /* Literals */ \ 302 F(MaterializeRegExpLiteral, 4, 1)\ 303 F(CreateObjectLiteral, 4, 1) \ 304 F(CreateArrayLiteral, 4, 1) \ 305 F(CreateArrayLiteralStubBailout, 3, 1) \ 306 \ 307 /* Harmony generators */ \ 308 F(CreateJSGeneratorObject, 0, 1) \ 309 F(SuspendJSGeneratorObject, 1, 1) \ 310 F(ResumeJSGeneratorObject, 3, 1) \ 311 F(ThrowGeneratorStateError, 1, 1) \ 312 \ 313 /* ES5 */ \ 314 F(ObjectFreeze, 1, 1) \ 315 \ 316 /* Harmony modules */ \ 317 F(IsJSModule, 1, 1) \ 318 \ 319 /* Harmony symbols */ \ 320 F(CreateSymbol, 1, 1) \ 321 F(CreatePrivateSymbol, 1, 1) \ 322 F(SymbolName, 1, 1) \ 323 F(SymbolIsPrivate, 1, 1) \ 324 \ 325 /* Harmony proxies */ \ 326 F(CreateJSProxy, 2, 1) \ 327 F(CreateJSFunctionProxy, 4, 1) \ 328 F(IsJSProxy, 1, 1) \ 329 F(IsJSFunctionProxy, 1, 1) \ 330 F(GetHandler, 1, 1) \ 331 F(GetCallTrap, 1, 1) \ 332 F(GetConstructTrap, 1, 1) \ 333 F(Fix, 1, 1) \ 334 \ 335 /* Harmony sets */ \ 336 F(SetInitialize, 1, 1) \ 337 F(SetAdd, 2, 1) \ 338 F(SetHas, 2, 1) \ 339 F(SetDelete, 2, 1) \ 340 F(SetGetSize, 1, 1) \ 341 \ 342 /* Harmony maps */ \ 343 F(MapInitialize, 1, 1) \ 344 F(MapGet, 2, 1) \ 345 F(MapHas, 2, 1) \ 346 F(MapDelete, 2, 1) \ 347 F(MapSet, 3, 1) \ 348 F(MapGetSize, 1, 1) \ 349 \ 350 /* Harmony weak maps and sets */ \ 351 F(WeakCollectionInitialize, 1, 1) \ 352 F(WeakCollectionGet, 2, 1) \ 353 F(WeakCollectionHas, 2, 1) \ 354 F(WeakCollectionDelete, 2, 1) \ 355 F(WeakCollectionSet, 3, 1) \ 356 \ 357 /* Harmony events */ \ 358 F(SetMicrotaskPending, 1, 1) \ 359 \ 360 /* Harmony observe */ \ 361 F(IsObserved, 1, 1) \ 362 F(SetIsObserved, 1, 1) \ 363 F(GetObservationState, 0, 1) \ 364 F(ObservationWeakMapCreate, 0, 1) \ 365 F(UnwrapGlobalProxy, 1, 1) \ 366 F(IsAccessAllowedForObserver, 3, 1) \ 367 \ 368 /* Harmony typed arrays */ \ 369 F(ArrayBufferInitialize, 2, 1)\ 370 F(ArrayBufferGetByteLength, 1, 1)\ 371 F(ArrayBufferSliceImpl, 3, 1) \ 372 F(ArrayBufferIsView, 1, 1) \ 373 \ 374 F(TypedArrayInitialize, 5, 1) \ 375 F(TypedArrayInitializeFromArrayLike, 4, 1) \ 376 F(TypedArrayGetBuffer, 1, 1) \ 377 F(TypedArrayGetByteLength, 1, 1) \ 378 F(TypedArrayGetByteOffset, 1, 1) \ 379 F(TypedArrayGetLength, 1, 1) \ 380 F(TypedArraySetFastCases, 3, 1) \ 381 \ 382 F(DataViewInitialize, 4, 1) \ 383 F(DataViewGetBuffer, 1, 1) \ 384 F(DataViewGetByteLength, 1, 1) \ 385 F(DataViewGetByteOffset, 1, 1) \ 386 F(DataViewGetInt8, 3, 1) \ 387 F(DataViewGetUint8, 3, 1) \ 388 F(DataViewGetInt16, 3, 1) \ 389 F(DataViewGetUint16, 3, 1) \ 390 F(DataViewGetInt32, 3, 1) \ 391 F(DataViewGetUint32, 3, 1) \ 392 F(DataViewGetFloat32, 3, 1) \ 393 F(DataViewGetFloat64, 3, 1) \ 394 \ 395 F(DataViewSetInt8, 4, 1) \ 396 F(DataViewSetUint8, 4, 1) \ 397 F(DataViewSetInt16, 4, 1) \ 398 F(DataViewSetUint16, 4, 1) \ 399 F(DataViewSetInt32, 4, 1) \ 400 F(DataViewSetUint32, 4, 1) \ 401 F(DataViewSetFloat32, 4, 1) \ 402 F(DataViewSetFloat64, 4, 1) \ 403 \ 404 /* Statements */ \ 405 F(NewClosure, 3, 1) \ 406 F(NewClosureFromStubFailure, 1, 1) \ 407 F(NewObject, 1, 1) \ 408 F(NewObjectFromBound, 1, 1) \ 409 F(FinalizeInstanceSize, 1, 1) \ 410 F(Throw, 1, 1) \ 411 F(ReThrow, 1, 1) \ 412 F(ThrowReferenceError, 1, 1) \ 413 F(ThrowNotDateError, 0, 1) \ 414 F(ThrowMessage, 1, 1) \ 415 F(StackGuard, 0, 1) \ 416 F(Interrupt, 0, 1) \ 417 F(PromoteScheduledException, 0, 1) \ 418 \ 419 /* Contexts */ \ 420 F(NewGlobalContext, 2, 1) \ 421 F(NewFunctionContext, 1, 1) \ 422 F(PushWithContext, 2, 1) \ 423 F(PushCatchContext, 3, 1) \ 424 F(PushBlockContext, 2, 1) \ 425 F(PushModuleContext, 2, 1) \ 426 F(DeleteContextSlot, 2, 1) \ 427 F(LoadContextSlot, 2, 2) \ 428 F(LoadContextSlotNoReferenceError, 2, 2) \ 429 F(StoreContextSlot, 4, 1) \ 430 \ 431 /* Declarations and initialization */ \ 432 F(DeclareGlobals, 3, 1) \ 433 F(DeclareModules, 1, 1) \ 434 F(DeclareContextSlot, 4, 1) \ 435 F(InitializeVarGlobal, -1 /* 2 or 3 */, 1) \ 436 F(InitializeConstGlobal, 2, 1) \ 437 F(InitializeConstContextSlot, 3, 1) \ 438 F(OptimizeObjectForAddingMultipleProperties, 2, 1) \ 439 \ 440 /* Debugging */ \ 441 F(DebugPrint, 1, 1) \ 442 F(DebugTrace, 0, 1) \ 443 F(TraceEnter, 0, 1) \ 444 F(TraceExit, 1, 1) \ 445 F(Abort, 2, 1) \ 446 F(AbortJS, 1, 1) \ 447 /* Logging */ \ 448 F(Log, 2, 1) \ 449 /* ES5 */ \ 450 F(LocalKeys, 1, 1) \ 451 /* Cache suport */ \ 452 F(GetFromCache, 2, 1) \ 453 \ 454 /* Message objects */ \ 455 F(MessageGetStartPosition, 1, 1) \ 456 F(MessageGetScript, 1, 1) \ 457 \ 458 /* Pseudo functions - handled as macros by parser */ \ 459 F(IS_VAR, 1, 1) \ 460 \ 461 /* expose boolean functions from objects-inl.h */ \ 462 F(HasFastSmiElements, 1, 1) \ 463 F(HasFastSmiOrObjectElements, 1, 1) \ 464 F(HasFastObjectElements, 1, 1) \ 465 F(HasFastDoubleElements, 1, 1) \ 466 F(HasFastHoleyElements, 1, 1) \ 467 F(HasDictionaryElements, 1, 1) \ 468 F(HasNonStrictArgumentsElements, 1, 1) \ 469 F(HasExternalPixelElements, 1, 1) \ 470 F(HasExternalArrayElements, 1, 1) \ 471 F(HasExternalByteElements, 1, 1) \ 472 F(HasExternalUnsignedByteElements, 1, 1) \ 473 F(HasExternalShortElements, 1, 1) \ 474 F(HasExternalUnsignedShortElements, 1, 1) \ 475 F(HasExternalIntElements, 1, 1) \ 476 F(HasExternalUnsignedIntElements, 1, 1) \ 477 F(HasExternalFloatElements, 1, 1) \ 478 F(HasExternalDoubleElements, 1, 1) \ 479 F(HasFastProperties, 1, 1) \ 480 F(TransitionElementsKind, 2, 1) \ 481 F(HaveSameMap, 2, 1) \ 482 F(IsAccessCheckNeeded, 1, 1) 483 484 485 #ifdef ENABLE_DEBUGGER_SUPPORT 486 #define RUNTIME_FUNCTION_LIST_DEBUGGER_SUPPORT(F) \ 487 /* Debugger support*/ \ 488 F(DebugBreak, 0, 1) \ 489 F(SetDebugEventListener, 2, 1) \ 490 F(Break, 0, 1) \ 491 F(DebugGetPropertyDetails, 2, 1) \ 492 F(DebugGetProperty, 2, 1) \ 493 F(DebugPropertyTypeFromDetails, 1, 1) \ 494 F(DebugPropertyAttributesFromDetails, 1, 1) \ 495 F(DebugPropertyIndexFromDetails, 1, 1) \ 496 F(DebugNamedInterceptorPropertyValue, 2, 1) \ 497 F(DebugIndexedInterceptorElementValue, 2, 1) \ 498 F(CheckExecutionState, 1, 1) \ 499 F(GetFrameCount, 1, 1) \ 500 F(GetFrameDetails, 2, 1) \ 501 F(GetScopeCount, 2, 1) \ 502 F(GetStepInPositions, 2, 1) \ 503 F(GetScopeDetails, 4, 1) \ 504 F(GetFunctionScopeCount, 1, 1) \ 505 F(GetFunctionScopeDetails, 2, 1) \ 506 F(SetScopeVariableValue, 6, 1) \ 507 F(DebugPrintScopes, 0, 1) \ 508 F(GetThreadCount, 1, 1) \ 509 F(GetThreadDetails, 2, 1) \ 510 F(SetDisableBreak, 1, 1) \ 511 F(GetBreakLocations, 2, 1) \ 512 F(SetFunctionBreakPoint, 3, 1) \ 513 F(SetScriptBreakPoint, 4, 1) \ 514 F(ClearBreakPoint, 1, 1) \ 515 F(ChangeBreakOnException, 2, 1) \ 516 F(IsBreakOnException, 1, 1) \ 517 F(PrepareStep, 4, 1) \ 518 F(ClearStepping, 0, 1) \ 519 F(DebugEvaluate, 6, 1) \ 520 F(DebugEvaluateGlobal, 4, 1) \ 521 F(DebugGetLoadedScripts, 0, 1) \ 522 F(DebugReferencedBy, 3, 1) \ 523 F(DebugConstructedBy, 2, 1) \ 524 F(DebugGetPrototype, 1, 1) \ 525 F(DebugSetScriptSource, 2, 1) \ 526 F(SystemBreak, 0, 1) \ 527 F(DebugDisassembleFunction, 1, 1) \ 528 F(DebugDisassembleConstructor, 1, 1) \ 529 F(FunctionGetInferredName, 1, 1) \ 530 F(LiveEditFindSharedFunctionInfosForScript, 1, 1) \ 531 F(LiveEditGatherCompileInfo, 2, 1) \ 532 F(LiveEditReplaceScript, 3, 1) \ 533 F(LiveEditReplaceFunctionCode, 2, 1) \ 534 F(LiveEditFunctionSourceUpdated, 1, 1) \ 535 F(LiveEditFunctionSetScript, 2, 1) \ 536 F(LiveEditReplaceRefToNestedFunction, 3, 1) \ 537 F(LiveEditPatchFunctionPositions, 2, 1) \ 538 F(LiveEditCheckAndDropActivations, 2, 1) \ 539 F(LiveEditCompareStrings, 2, 1) \ 540 F(LiveEditRestartFrame, 2, 1) \ 541 F(GetFunctionCodePositionFromSource, 2, 1) \ 542 F(ExecuteInDebugContext, 2, 1) \ 543 \ 544 F(SetFlags, 1, 1) \ 545 F(CollectGarbage, 1, 1) \ 546 F(GetHeapUsage, 0, 1) \ 547 548 #else 549 #define RUNTIME_FUNCTION_LIST_DEBUGGER_SUPPORT(F) 550 #endif 551 552 553 #ifdef V8_I18N_SUPPORT 554 #define RUNTIME_FUNCTION_LIST_I18N_SUPPORT(F) \ 555 /* i18n support */ \ 556 /* Standalone, helper methods. */ \ 557 F(CanonicalizeLanguageTag, 1, 1) \ 558 F(AvailableLocalesOf, 1, 1) \ 559 F(GetDefaultICULocale, 0, 1) \ 560 F(GetLanguageTagVariants, 1, 1) \ 561 \ 562 /* Date format and parse. */ \ 563 F(CreateDateTimeFormat, 3, 1) \ 564 F(InternalDateFormat, 2, 1) \ 565 F(InternalDateParse, 2, 1) \ 566 \ 567 /* Number format and parse. */ \ 568 F(CreateNumberFormat, 3, 1) \ 569 F(InternalNumberFormat, 2, 1) \ 570 F(InternalNumberParse, 2, 1) \ 571 \ 572 /* Collator. */ \ 573 F(CreateCollator, 3, 1) \ 574 F(InternalCompare, 3, 1) \ 575 \ 576 /* Break iterator. */ \ 577 F(CreateBreakIterator, 3, 1) \ 578 F(BreakIteratorAdoptText, 2, 1) \ 579 F(BreakIteratorFirst, 1, 1) \ 580 F(BreakIteratorNext, 1, 1) \ 581 F(BreakIteratorCurrent, 1, 1) \ 582 F(BreakIteratorBreakType, 1, 1) \ 583 584 #else 585 #define RUNTIME_FUNCTION_LIST_I18N_SUPPORT(F) 586 #endif 587 588 589 #ifdef DEBUG 590 #define RUNTIME_FUNCTION_LIST_DEBUG(F) \ 591 /* Testing */ \ 592 F(ListNatives, 0, 1) 593 #else 594 #define RUNTIME_FUNCTION_LIST_DEBUG(F) 595 #endif 596 597 // ---------------------------------------------------------------------------- 598 // RUNTIME_FUNCTION_LIST defines all runtime functions accessed 599 // either directly by id (via the code generator), or indirectly 600 // via a native call by name (from within JS code). 601 602 #define RUNTIME_FUNCTION_LIST(F) \ 603 RUNTIME_FUNCTION_LIST_ALWAYS_1(F) \ 604 RUNTIME_FUNCTION_LIST_ALWAYS_2(F) \ 605 RUNTIME_FUNCTION_LIST_DEBUG(F) \ 606 RUNTIME_FUNCTION_LIST_DEBUGGER_SUPPORT(F) \ 607 RUNTIME_FUNCTION_LIST_I18N_SUPPORT(F) 608 609 // ---------------------------------------------------------------------------- 610 // INLINE_FUNCTION_LIST defines all inlined functions accessed 611 // with a native call of the form %_name from within JS code. 612 // Entries have the form F(name, number of arguments, number of return values). 613 #define INLINE_FUNCTION_LIST(F) \ 614 F(IsSmi, 1, 1) \ 615 F(IsNonNegativeSmi, 1, 1) \ 616 F(IsArray, 1, 1) \ 617 F(IsRegExp, 1, 1) \ 618 F(IsConstructCall, 0, 1) \ 619 F(CallFunction, -1 /* receiver + n args + function */, 1) \ 620 F(ArgumentsLength, 0, 1) \ 621 F(Arguments, 1, 1) \ 622 F(ValueOf, 1, 1) \ 623 F(SetValueOf, 2, 1) \ 624 F(DateField, 2 /* date object, field index */, 1) \ 625 F(StringCharFromCode, 1, 1) \ 626 F(StringCharAt, 2, 1) \ 627 F(OneByteSeqStringSetChar, 3, 1) \ 628 F(TwoByteSeqStringSetChar, 3, 1) \ 629 F(ObjectEquals, 2, 1) \ 630 F(IsObject, 1, 1) \ 631 F(IsFunction, 1, 1) \ 632 F(IsUndetectableObject, 1, 1) \ 633 F(IsSpecObject, 1, 1) \ 634 F(IsStringWrapperSafeForDefaultValueOf, 1, 1) \ 635 F(MathPow, 2, 1) \ 636 F(MathSqrt, 1, 1) \ 637 F(MathLog, 1, 1) \ 638 F(IsMinusZero, 1, 1) \ 639 F(IsRegExpEquivalent, 2, 1) \ 640 F(HasCachedArrayIndex, 1, 1) \ 641 F(GetCachedArrayIndex, 1, 1) \ 642 F(FastAsciiArrayJoin, 2, 1) \ 643 F(GeneratorNext, 2, 1) \ 644 F(GeneratorThrow, 2, 1) \ 645 F(DebugBreakInOptimizedCode, 0, 1) 646 647 648 // ---------------------------------------------------------------------------- 649 // INLINE_RUNTIME_FUNCTION_LIST defines all inlined functions accessed 650 // with a native call of the form %_name from within JS code that also have 651 // a corresponding runtime function, that is called for slow cases. 652 // Entries have the form F(name, number of arguments, number of return values). 653 #define INLINE_RUNTIME_FUNCTION_LIST(F) \ 654 F(ClassOf, 1, 1) \ 655 F(StringCharCodeAt, 2, 1) \ 656 F(Log, 3, 1) \ 657 F(StringAdd, 2, 1) \ 658 F(SubString, 3, 1) \ 659 F(StringCompare, 2, 1) \ 660 F(RegExpExec, 4, 1) \ 661 F(RegExpConstructResult, 3, 1) \ 662 F(GetFromCache, 2, 1) \ 663 F(NumberToString, 1, 1) 664 665 666 //--------------------------------------------------------------------------- 667 // Runtime provides access to all C++ runtime functions. 668 669 class RuntimeState { 670 public: string_iterator()671 StaticResource<ConsStringIteratorOp>* string_iterator() { 672 return &string_iterator_; 673 } to_upper_mapping()674 unibrow::Mapping<unibrow::ToUppercase, 128>* to_upper_mapping() { 675 return &to_upper_mapping_; 676 } to_lower_mapping()677 unibrow::Mapping<unibrow::ToLowercase, 128>* to_lower_mapping() { 678 return &to_lower_mapping_; 679 } string_iterator_compare_x()680 ConsStringIteratorOp* string_iterator_compare_x() { 681 return &string_iterator_compare_x_; 682 } string_iterator_compare_y()683 ConsStringIteratorOp* string_iterator_compare_y() { 684 return &string_iterator_compare_y_; 685 } string_locale_compare_it1()686 ConsStringIteratorOp* string_locale_compare_it1() { 687 return &string_locale_compare_it1_; 688 } string_locale_compare_it2()689 ConsStringIteratorOp* string_locale_compare_it2() { 690 return &string_locale_compare_it2_; 691 } 692 693 private: RuntimeState()694 RuntimeState() {} 695 // Non-reentrant string buffer for efficient general use in the runtime. 696 StaticResource<ConsStringIteratorOp> string_iterator_; 697 unibrow::Mapping<unibrow::ToUppercase, 128> to_upper_mapping_; 698 unibrow::Mapping<unibrow::ToLowercase, 128> to_lower_mapping_; 699 ConsStringIteratorOp string_iterator_compare_x_; 700 ConsStringIteratorOp string_iterator_compare_y_; 701 ConsStringIteratorOp string_locale_compare_it1_; 702 ConsStringIteratorOp string_locale_compare_it2_; 703 704 friend class Isolate; 705 friend class Runtime; 706 707 DISALLOW_COPY_AND_ASSIGN(RuntimeState); 708 }; 709 710 711 class Runtime : public AllStatic { 712 public: 713 enum FunctionId { 714 #define F(name, nargs, ressize) k##name, 715 RUNTIME_FUNCTION_LIST(F) 716 #undef F 717 #define F(name, nargs, ressize) kInline##name, 718 INLINE_FUNCTION_LIST(F) 719 INLINE_RUNTIME_FUNCTION_LIST(F) 720 #undef F 721 kNumFunctions, 722 kFirstInlineFunction = kInlineIsSmi 723 }; 724 725 enum IntrinsicType { 726 RUNTIME, 727 INLINE 728 }; 729 730 // Intrinsic function descriptor. 731 struct Function { 732 FunctionId function_id; 733 IntrinsicType intrinsic_type; 734 // The JS name of the function. 735 const char* name; 736 737 // The C++ (native) entry point. NULL if the function is inlined. 738 byte* entry; 739 740 // The number of arguments expected. nargs is -1 if the function takes 741 // a variable number of arguments. 742 int nargs; 743 // Size of result. Most functions return a single pointer, size 1. 744 int result_size; 745 }; 746 747 static const int kNotFound = -1; 748 749 // Add internalized strings for all the intrinsic function names to a 750 // StringDictionary. 751 // Returns failure if an allocation fails. In this case, it must be 752 // retried with a new, empty StringDictionary, not with the same one. 753 // Alternatively, heap initialization can be completely restarted. 754 MUST_USE_RESULT static MaybeObject* InitializeIntrinsicFunctionNames( 755 Heap* heap, Object* dictionary); 756 757 // Get the intrinsic function with the given name, which must be internalized. 758 static const Function* FunctionForName(Handle<String> name); 759 760 // Get the intrinsic function with the given FunctionId. 761 static const Function* FunctionForId(FunctionId id); 762 763 // General-purpose helper functions for runtime system. 764 static int StringMatch(Isolate* isolate, 765 Handle<String> sub, 766 Handle<String> pat, 767 int index); 768 769 static bool IsUpperCaseChar(RuntimeState* runtime_state, uint16_t ch); 770 771 // TODO(1240886): Some of the following methods are *not* handle safe, but 772 // accept handle arguments. This seems fragile. 773 774 // Support getting the characters in a string using [] notation as 775 // in Firefox/SpiderMonkey, Safari and Opera. 776 MUST_USE_RESULT static MaybeObject* GetElementOrCharAt(Isolate* isolate, 777 Handle<Object> object, 778 uint32_t index); 779 780 MUST_USE_RESULT static MaybeObject* GetElementOrCharAtOrFail( 781 Isolate* isolate, 782 Handle<Object> object, 783 uint32_t index); 784 785 static Handle<Object> SetObjectProperty( 786 Isolate* isolate, 787 Handle<Object> object, 788 Handle<Object> key, 789 Handle<Object> value, 790 PropertyAttributes attr, 791 StrictModeFlag strict_mode); 792 793 static Handle<Object> ForceSetObjectProperty( 794 Isolate* isolate, 795 Handle<JSObject> object, 796 Handle<Object> key, 797 Handle<Object> value, 798 PropertyAttributes attr); 799 800 MUST_USE_RESULT static MaybeObject* DeleteObjectProperty( 801 Isolate* isolate, 802 Handle<JSReceiver> object, 803 Handle<Object> key, 804 JSReceiver::DeleteMode mode); 805 806 MUST_USE_RESULT static MaybeObject* HasObjectProperty( 807 Isolate* isolate, 808 Handle<JSReceiver> object, 809 Handle<Object> key); 810 811 MUST_USE_RESULT static MaybeObject* GetObjectProperty( 812 Isolate* isolate, 813 Handle<Object> object, 814 Handle<Object> key); 815 816 MUST_USE_RESULT static MaybeObject* GetObjectPropertyOrFail( 817 Isolate* isolate, 818 Handle<Object> object, 819 Handle<Object> key); 820 821 static void SetupArrayBuffer(Isolate* isolate, 822 Handle<JSArrayBuffer> array_buffer, 823 bool is_external, 824 void* data, 825 size_t allocated_length); 826 827 static bool SetupArrayBufferAllocatingData( 828 Isolate* isolate, 829 Handle<JSArrayBuffer> array_buffer, 830 size_t allocated_length, 831 bool initialize = true); 832 833 static void FreeArrayBuffer( 834 Isolate* isolate, 835 JSArrayBuffer* phantom_array_buffer); 836 837 enum TypedArrayId { 838 // arrayIds below should be synchromized with typedarray.js natives. 839 ARRAY_ID_UINT8 = 1, 840 ARRAY_ID_INT8 = 2, 841 ARRAY_ID_UINT16 = 3, 842 ARRAY_ID_INT16 = 4, 843 ARRAY_ID_UINT32 = 5, 844 ARRAY_ID_INT32 = 6, 845 ARRAY_ID_FLOAT32 = 7, 846 ARRAY_ID_FLOAT64 = 8, 847 ARRAY_ID_UINT8C = 9 848 }; 849 850 static void ArrayIdToTypeAndSize(int array_id, 851 ExternalArrayType *type, size_t *element_size); 852 853 // Helper functions used stubs. 854 static void PerformGC(Object* result, Isolate* isolate); 855 856 // Used in runtime.cc and hydrogen's VisitArrayLiteral. 857 static Handle<Object> CreateArrayLiteralBoilerplate( 858 Isolate* isolate, 859 Handle<FixedArray> literals, 860 Handle<FixedArray> elements); 861 }; 862 863 864 //--------------------------------------------------------------------------- 865 // Constants used by interface to runtime functions. 866 867 class AllocateDoubleAlignFlag: public BitField<bool, 0, 1> {}; 868 class AllocateTargetSpace: public BitField<AllocationSpace, 1, 3> {}; 869 870 class DeclareGlobalsEvalFlag: public BitField<bool, 0, 1> {}; 871 class DeclareGlobalsNativeFlag: public BitField<bool, 1, 1> {}; 872 class DeclareGlobalsLanguageMode: public BitField<LanguageMode, 2, 2> {}; 873 874 } } // namespace v8::internal 875 876 #endif // V8_RUNTIME_H_ 877