1 // Copyright 2012 the V8 project authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #ifndef V8_RUNTIME_RUNTIME_H_
6 #define V8_RUNTIME_RUNTIME_H_
7
8 #include <memory>
9
10 #include "include/v8-maybe.h"
11 #include "src/base/bit-field.h"
12 #include "src/base/platform/time.h"
13 #include "src/common/globals.h"
14 #include "src/handles/handles.h"
15 #include "src/objects/elements-kind.h"
16 #include "src/strings/unicode.h"
17 #include "src/utils/allocation.h"
18 #include "src/zone/zone.h"
19
20 namespace v8 {
21 namespace internal {
22
23 // * Each intrinsic is exposed in JavaScript via:
24 // * %#name, which is always a runtime call.
25 // * (optionally) %_#name, which can be inlined or just a runtime call, the
26 // compiler in question decides.
27 //
28 // * IntrinsicTypes are Runtime::RUNTIME and Runtime::INLINE, respectively.
29 //
30 // * IDs are Runtime::k##name and Runtime::kInline##name, respectively.
31 //
32 // * All intrinsics have a C++ implementation Runtime_##name.
33 //
34 // * Each compiler has an explicit list of intrisics it supports, falling back
35 // to a simple runtime call if necessary.
36
37 // Entries have the form F(name, number of arguments, number of return values):
38 // A variable number of arguments is specified by a -1, additional restrictions
39 // are specified by inline comments. To declare only the runtime version (no
40 // inline), use the F macro below. To declare the runtime version and the inline
41 // version simultaneously, use the I macro below.
42
43 #define FOR_EACH_INTRINSIC_ARRAY(F, I) \
44 F(ArrayIncludes_Slow, 3, 1) \
45 F(ArrayIndexOf, 3, 1) \
46 F(ArrayIsArray, 1, 1) \
47 F(ArraySpeciesConstructor, 1, 1) \
48 F(GrowArrayElements, 2, 1) \
49 F(IsArray, 1, 1) \
50 F(NewArray, -1 /* >= 3 */, 1) \
51 F(NormalizeElements, 1, 1) \
52 F(TransitionElementsKind, 2, 1) \
53 F(TransitionElementsKindWithKind, 2, 1)
54
55 #define FOR_EACH_INTRINSIC_ATOMICS(F, I) \
56 F(AtomicsLoad64, 2, 1) \
57 F(AtomicsStore64, 3, 1) \
58 F(AtomicsAdd, 3, 1) \
59 F(AtomicsAnd, 3, 1) \
60 F(AtomicsCompareExchange, 4, 1) \
61 F(AtomicsExchange, 3, 1) \
62 F(AtomicsNumWaitersForTesting, 2, 1) \
63 F(AtomicsNumAsyncWaitersForTesting, 0, 1) \
64 F(AtomicsNumUnresolvedAsyncPromisesForTesting, 2, 1) \
65 F(AtomicsOr, 3, 1) \
66 F(AtomicsSub, 3, 1) \
67 F(AtomicsXor, 3, 1) \
68 F(SetAllowAtomicsWait, 1, 1) \
69 F(AtomicsLoadSharedStructField, 2, 1) \
70 F(AtomicsStoreSharedStructField, 3, 1) \
71 F(AtomicsExchangeSharedStructField, 3, 1)
72
73 #define FOR_EACH_INTRINSIC_BIGINT(F, I) \
74 F(BigIntBinaryOp, 3, 1) \
75 F(BigIntCompareToBigInt, 3, 1) \
76 F(BigIntCompareToNumber, 3, 1) \
77 F(BigIntCompareToString, 3, 1) \
78 F(BigIntEqualToBigInt, 2, 1) \
79 F(BigIntEqualToNumber, 2, 1) \
80 F(BigIntEqualToString, 2, 1) \
81 F(BigIntMaxLengthBits, 0, 1) \
82 F(BigIntToBoolean, 1, 1) \
83 F(BigIntToNumber, 1, 1) \
84 F(BigIntUnaryOp, 2, 1) \
85 F(ToBigInt, 1, 1)
86
87 #define FOR_EACH_INTRINSIC_CLASSES(F, I) \
88 F(DefineClass, -1 /* >= 3 */, 1) \
89 F(LoadFromSuper, 3, 1) \
90 F(LoadKeyedFromSuper, 3, 1) \
91 F(StoreKeyedToSuper, 4, 1) \
92 F(StoreToSuper, 4, 1) \
93 F(ThrowConstructorNonCallableError, 1, 1) \
94 F(ThrowNotSuperConstructor, 2, 1) \
95 F(ThrowStaticPrototypeError, 0, 1) \
96 F(ThrowSuperAlreadyCalledError, 0, 1) \
97 F(ThrowSuperNotCalled, 0, 1) \
98 F(ThrowUnsupportedSuperError, 0, 1)
99
100 #define FOR_EACH_INTRINSIC_COLLECTIONS(F, I) \
101 F(MapGrow, 1, 1) \
102 F(MapShrink, 1, 1) \
103 F(SetGrow, 1, 1) \
104 F(SetShrink, 1, 1) \
105 F(TheHole, 0, 1) \
106 F(WeakCollectionDelete, 3, 1) \
107 F(WeakCollectionSet, 4, 1)
108
109 #define FOR_EACH_INTRINSIC_COMPILER(F, I) \
110 F(CompileOptimizedOSR, 0, 1) \
111 F(CompileLazy, 1, 1) \
112 F(CompileBaseline, 1, 1) \
113 F(CompileMaglev_Concurrent, 1, 1) \
114 F(CompileMaglev_Synchronous, 1, 1) \
115 F(CompileTurbofan_Concurrent, 1, 1) \
116 F(CompileTurbofan_Synchronous, 1, 1) \
117 F(InstallBaselineCode, 1, 1) \
118 F(HealOptimizedCodeSlot, 1, 1) \
119 F(InstantiateAsmJs, 4, 1) \
120 F(NotifyDeoptimized, 0, 1) \
121 F(ObserveNode, 1, 1) \
122 F(ResolvePossiblyDirectEval, 6, 1) \
123 F(VerifyType, 1, 1)
124
125 #define FOR_EACH_INTRINSIC_DATE(F, I) F(DateCurrentTime, 0, 1)
126
127 #define FOR_EACH_INTRINSIC_DEBUG(F, I) \
128 F(ClearStepping, 0, 1) \
129 F(CollectGarbage, 1, 1) \
130 F(DebugAsyncFunctionSuspended, 4, 1) \
131 F(DebugBreakAtEntry, 1, 1) \
132 F(DebugCollectCoverage, 0, 1) \
133 F(DebugGetLoadedScriptIds, 0, 1) \
134 F(DebugOnFunctionCall, 2, 1) \
135 F(DebugPopPromise, 0, 1) \
136 F(DebugPrepareStepInSuspendedGenerator, 0, 1) \
137 F(DebugPromiseThen, 1, 1) \
138 F(DebugPushPromise, 1, 1) \
139 F(DebugToggleBlockCoverage, 1, 1) \
140 F(DebugTogglePreciseCoverage, 1, 1) \
141 F(FunctionGetInferredName, 1, 1) \
142 F(GetBreakLocations, 1, 1) \
143 F(GetGeneratorScopeCount, 1, 1) \
144 F(GetGeneratorScopeDetails, 2, 1) \
145 F(HandleDebuggerStatement, 0, 1) \
146 F(IsBreakOnException, 1, 1) \
147 F(LiveEditPatchScript, 2, 1) \
148 F(ProfileCreateSnapshotDataBlob, 0, 1) \
149 F(ScheduleBreak, 0, 1) \
150 F(ScriptLocationFromLine2, 4, 1) \
151 F(SetGeneratorScopeVariableValue, 4, 1) \
152 I(IncBlockCounter, 2, 1)
153
154 #define FOR_EACH_INTRINSIC_FORIN(F, I) \
155 F(ForInEnumerate, 1, 1) \
156 F(ForInHasProperty, 2, 1)
157
158 #ifdef V8_TRACE_UNOPTIMIZED
159 #define FOR_EACH_INTRINSIC_TRACE_UNOPTIMIZED(F, I) \
160 F(TraceUnoptimizedBytecodeEntry, 3, 1) \
161 F(TraceUnoptimizedBytecodeExit, 3, 1)
162 #else
163 #define FOR_EACH_INTRINSIC_TRACE_UNOPTIMIZED(F, I)
164 #endif
165
166 #ifdef V8_TRACE_FEEDBACK_UPDATES
167 #define FOR_EACH_INTRINSIC_TRACE_FEEDBACK(F, I) F(TraceUpdateFeedback, 3, 1)
168 #else
169 #define FOR_EACH_INTRINSIC_TRACE_FEEDBACK(F, I)
170 #endif
171
172 #define FOR_EACH_INTRINSIC_TRACE(F, I) \
173 FOR_EACH_INTRINSIC_TRACE_UNOPTIMIZED(F, I) \
174 FOR_EACH_INTRINSIC_TRACE_FEEDBACK(F, I)
175
176 #define FOR_EACH_INTRINSIC_FUNCTION(F, I) \
177 F(Call, -1 /* >= 2 */, 1) \
178 F(FunctionGetScriptSource, 1, 1) \
179 F(FunctionGetScriptId, 1, 1) \
180 F(FunctionGetScriptSourcePosition, 1, 1) \
181 F(FunctionGetSourceCode, 1, 1) \
182 F(FunctionIsAPIFunction, 1, 1) \
183 F(IsFunction, 1, 1)
184
185 #define FOR_EACH_INTRINSIC_GENERATOR(F, I) \
186 I(AsyncFunctionAwaitCaught, 2, 1) \
187 I(AsyncFunctionAwaitUncaught, 2, 1) \
188 I(AsyncFunctionEnter, 2, 1) \
189 I(AsyncFunctionReject, 2, 1) \
190 I(AsyncFunctionResolve, 2, 1) \
191 I(AsyncGeneratorAwaitCaught, 2, 1) \
192 I(AsyncGeneratorAwaitUncaught, 2, 1) \
193 F(AsyncGeneratorHasCatchHandlerForPC, 1, 1) \
194 I(AsyncGeneratorReject, 2, 1) \
195 I(AsyncGeneratorResolve, 3, 1) \
196 I(AsyncGeneratorYield, 3, 1) \
197 I(CreateJSGeneratorObject, 2, 1) \
198 I(GeneratorClose, 1, 1) \
199 F(GeneratorGetFunction, 1, 1) \
200 I(GeneratorGetResumeMode, 1, 1)
201
202 #ifdef V8_INTL_SUPPORT
203 #define FOR_EACH_INTRINSIC_INTL(F, I) \
204 F(FormatList, 2, 1) \
205 F(FormatListToParts, 2, 1) \
206 F(StringToLowerCaseIntl, 1, 1) \
207 F(StringToUpperCaseIntl, 1, 1) // End of macro.
208 #else
209 #define FOR_EACH_INTRINSIC_INTL(F, I)
210 #endif // V8_INTL_SUPPORT
211
212 #define FOR_EACH_INTRINSIC_INTERNAL(F, I) \
213 F(AccessCheck, 1, 1) \
214 F(AllocateByteArray, 1, 1) \
215 F(AllocateInYoungGeneration, 2, 1) \
216 F(AllocateInOldGeneration, 2, 1) \
217 F(AllocateSeqOneByteString, 1, 1) \
218 F(AllocateSeqTwoByteString, 1, 1) \
219 F(AllowDynamicFunction, 1, 1) \
220 I(CreateAsyncFromSyncIterator, 1, 1) \
221 F(CreateListFromArrayLike, 1, 1) \
222 F(DoubleToStringWithRadix, 2, 1) \
223 F(FatalProcessOutOfMemoryInAllocateRaw, 0, 1) \
224 F(FatalProcessOutOfMemoryInvalidArrayLength, 0, 1) \
225 F(GetAndResetRuntimeCallStats, -1 /* <= 2 */, 1) \
226 F(GetTemplateObject, 3, 1) \
227 F(IncrementUseCounter, 1, 1) \
228 F(BytecodeBudgetInterrupt, 1, 1) \
229 F(BytecodeBudgetInterruptWithStackCheck, 1, 1) \
230 F(NewError, 2, 1) \
231 F(NewForeign, 0, 1) \
232 F(NewReferenceError, 2, 1) \
233 F(NewSyntaxError, 2, 1) \
234 F(NewTypeError, -1 /* [1, 4] */, 1) \
235 F(OrdinaryHasInstance, 2, 1) \
236 F(PromoteScheduledException, 0, 1) \
237 F(ReportMessageFromMicrotask, 1, 1) \
238 F(ReThrow, 1, 1) \
239 F(ReThrowWithMessage, 2, 1) \
240 F(RunMicrotaskCallback, 2, 1) \
241 F(PerformMicrotaskCheckpoint, 0, 1) \
242 F(SharedValueBarrierSlow, 1, 1) \
243 F(StackGuard, 0, 1) \
244 F(StackGuardWithGap, 1, 1) \
245 F(Throw, 1, 1) \
246 F(ThrowApplyNonFunction, 1, 1) \
247 F(ThrowCalledNonCallable, 1, 1) \
248 F(ThrowConstructedNonConstructable, 1, 1) \
249 F(ThrowConstructorReturnedNonObject, 0, 1) \
250 F(ThrowInvalidStringLength, 0, 1) \
251 F(ThrowInvalidTypedArrayAlignment, 2, 1) \
252 F(ThrowIteratorError, 1, 1) \
253 F(ThrowSpreadArgError, 2, 1) \
254 F(ThrowIteratorResultNotAnObject, 1, 1) \
255 F(ThrowNoAccess, 0, 1) \
256 F(ThrowNotConstructor, 1, 1) \
257 F(ThrowPatternAssignmentNonCoercible, 1, 1) \
258 F(ThrowRangeError, -1 /* >= 1 */, 1) \
259 F(ThrowReferenceError, 1, 1) \
260 F(ThrowAccessedUninitializedVariable, 1, 1) \
261 F(ThrowStackOverflow, 0, 1) \
262 F(ThrowSymbolAsyncIteratorInvalid, 0, 1) \
263 F(ThrowSymbolIteratorInvalid, 0, 1) \
264 F(ThrowThrowMethodMissing, 0, 1) \
265 F(ThrowTypeError, -1 /* >= 1 */, 1) \
266 F(ThrowTypeErrorIfStrict, -1 /* >= 1 */, 1) \
267 F(Typeof, 1, 1) \
268 F(UnwindAndFindExceptionHandler, 0, 1)
269
270 #define FOR_EACH_INTRINSIC_LITERALS(F, I) \
271 F(CreateArrayLiteral, 4, 1) \
272 F(CreateArrayLiteralWithoutAllocationSite, 2, 1) \
273 F(CreateObjectLiteral, 4, 1) \
274 F(CreateObjectLiteralWithoutAllocationSite, 2, 1) \
275 F(CreateRegExpLiteral, 4, 1)
276
277 #define FOR_EACH_INTRINSIC_MODULE(F, I) \
278 F(DynamicImportCall, -1 /* [2, 3] */, 1) \
279 I(GetImportMetaObject, 0, 1) \
280 F(GetModuleNamespace, 1, 1)
281
282 #define FOR_EACH_INTRINSIC_NUMBERS(F, I) \
283 F(ArrayBufferMaxByteLength, 0, 1) \
284 F(GetHoleNaNLower, 0, 1) \
285 F(GetHoleNaNUpper, 0, 1) \
286 F(IsSmi, 1, 1) \
287 F(MaxSmi, 0, 1) \
288 F(NumberToStringSlow, 1, 1) \
289 F(StringParseFloat, 1, 1) \
290 F(StringParseInt, 2, 1) \
291 F(StringToNumber, 1, 1) \
292 F(TypedArrayMaxLength, 0, 1)
293
294 #define FOR_EACH_INTRINSIC_OBJECT(F, I) \
295 F(AddDictionaryProperty, 3, 1) \
296 F(AddPrivateBrand, 4, 1) \
297 F(AllocateHeapNumber, 0, 1) \
298 F(CollectTypeProfile, 3, 1) \
299 F(CompleteInobjectSlackTrackingForMap, 1, 1) \
300 I(CopyDataProperties, 2, 1) \
301 I(CopyDataPropertiesWithExcludedPropertiesOnStack, -1 /* >= 1 */, 1) \
302 I(CreateDataProperty, 3, 1) \
303 I(CreateIterResultObject, 2, 1) \
304 F(CreatePrivateAccessors, 2, 1) \
305 F(DefineAccessorPropertyUnchecked, 5, 1) \
306 F(DefineKeyedOwnPropertyInLiteral, 6, 1) \
307 F(DefineGetterPropertyUnchecked, 4, 1) \
308 F(DefineSetterPropertyUnchecked, 4, 1) \
309 F(DeleteProperty, 3, 1) \
310 F(GetDerivedMap, 2, 1) \
311 F(GetFunctionName, 1, 1) \
312 F(GetOwnPropertyDescriptor, 2, 1) \
313 F(GetOwnPropertyKeys, 2, 1) \
314 F(GetProperty, -1 /* [2, 3] */, 1) \
315 F(HasFastPackedElements, 1, 1) \
316 F(HasInPrototypeChain, 2, 1) \
317 F(HasProperty, 2, 1) \
318 F(InternalSetPrototype, 2, 1) \
319 F(IsJSReceiver, 1, 1) \
320 F(JSReceiverPreventExtensionsDontThrow, 1, 1) \
321 F(JSReceiverPreventExtensionsThrow, 1, 1) \
322 F(JSReceiverGetPrototypeOf, 1, 1) \
323 F(JSReceiverSetPrototypeOfDontThrow, 2, 1) \
324 F(JSReceiverSetPrototypeOfThrow, 2, 1) \
325 F(LoadPrivateGetter, 1, 1) \
326 F(LoadPrivateSetter, 1, 1) \
327 F(NewObject, 2, 1) \
328 F(ObjectCreate, 2, 1) \
329 F(ObjectEntries, 1, 1) \
330 F(ObjectEntriesSkipFastPath, 1, 1) \
331 F(ObjectGetOwnPropertyNames, 1, 1) \
332 F(ObjectGetOwnPropertyNamesTryFast, 1, 1) \
333 F(ObjectHasOwnProperty, 2, 1) \
334 F(ObjectIsExtensible, 1, 1) \
335 F(ObjectKeys, 1, 1) \
336 F(ObjectValues, 1, 1) \
337 F(ObjectValuesSkipFastPath, 1, 1) \
338 F(OptimizeObjectForAddingMultipleProperties, 2, 1) \
339 F(SetDataProperties, 2, 1) \
340 F(SetKeyedProperty, 3, 1) \
341 F(DefineObjectOwnProperty, 3, 1) \
342 F(SetNamedProperty, 3, 1) \
343 F(SetOwnPropertyIgnoreAttributes, 4, 1) \
344 F(DefineKeyedOwnPropertyInLiteral_Simple, 3, 1) \
345 F(ShrinkNameDictionary, 1, 1) \
346 F(ShrinkSwissNameDictionary, 1, 1) \
347 F(ToFastProperties, 1, 1) \
348 F(ToLength, 1, 1) \
349 F(ToName, 1, 1) \
350 F(ToNumber, 1, 1) \
351 F(ToNumeric, 1, 1) \
352 F(ToObject, 1, 1) \
353 F(ToString, 1, 1) \
354 F(TryMigrateInstance, 1, 1) \
355 F(SwissTableAdd, 4, 1) \
356 F(SwissTableAllocate, 1, 1) \
357 F(SwissTableDelete, 2, 1) \
358 F(SwissTableDetailsAt, 2, 1) \
359 F(SwissTableElementsCount, 1, 1) \
360 F(SwissTableEquals, 2, 1) \
361 F(SwissTableFindEntry, 2, 1) \
362 F(SwissTableUpdate, 4, 1) \
363 F(SwissTableValueAt, 2, 1) \
364 F(SwissTableKeyAt, 2, 1)
365
366 #define FOR_EACH_INTRINSIC_OPERATORS(F, I) \
367 F(Add, 2, 1) \
368 F(Equal, 2, 1) \
369 F(GreaterThan, 2, 1) \
370 F(GreaterThanOrEqual, 2, 1) \
371 F(LessThan, 2, 1) \
372 F(LessThanOrEqual, 2, 1) \
373 F(NotEqual, 2, 1) \
374 F(StrictEqual, 2, 1) \
375 F(StrictNotEqual, 2, 1) \
376 F(ReferenceEqual, 2, 1)
377
378 #define FOR_EACH_INTRINSIC_PROMISE(F, I) \
379 F(EnqueueMicrotask, 1, 1) \
380 F(PromiseHookAfter, 1, 1) \
381 F(PromiseHookBefore, 1, 1) \
382 F(PromiseHookInit, 2, 1) \
383 F(PromiseRejectEventFromStack, 2, 1) \
384 F(PromiseRevokeReject, 1, 1) \
385 F(PromiseStatus, 1, 1) \
386 F(RejectPromise, 3, 1) \
387 F(ResolvePromise, 2, 1) \
388 F(PromiseRejectAfterResolved, 2, 1) \
389 F(PromiseResolveAfterResolved, 2, 1) \
390 F(ConstructAggregateErrorHelper, 4, 1) \
391 F(ConstructInternalAggregateErrorHelper, -1 /* <= 5*/, 1)
392
393 #define FOR_EACH_INTRINSIC_PROXY(F, I) \
394 F(CheckProxyGetSetTrapResult, 2, 1) \
395 F(CheckProxyHasTrapResult, 2, 1) \
396 F(CheckProxyDeleteTrapResult, 2, 1) \
397 F(GetPropertyWithReceiver, 3, 1) \
398 F(IsJSProxy, 1, 1) \
399 F(JSProxyGetHandler, 1, 1) \
400 F(JSProxyGetTarget, 1, 1) \
401 F(SetPropertyWithReceiver, 4, 1)
402
403 #define FOR_EACH_INTRINSIC_REGEXP(F, I) \
404 F(IsRegExp, 1, 1) \
405 F(RegExpBuildIndices, 3, 1) \
406 F(RegExpExec, 4, 1) \
407 F(RegExpExecTreatMatchAtEndAsFailure, 4, 1) \
408 F(RegExpExperimentalOneshotExec, 4, 1) \
409 F(RegExpExperimentalOneshotExecTreatMatchAtEndAsFailure, 4, 1) \
410 F(RegExpExecMultiple, 4, 1) \
411 F(RegExpInitializeAndCompile, 3, 1) \
412 F(RegExpReplaceRT, 3, 1) \
413 F(RegExpSplit, 3, 1) \
414 F(RegExpStringFromFlags, 1, 1) \
415 F(StringReplaceNonGlobalRegExpWithFunction, 3, 1) \
416 F(StringSplit, 3, 1)
417
418 #define FOR_EACH_INTRINSIC_SCOPES(F, I) \
419 F(DeclareEvalFunction, 2, 1) \
420 F(DeclareEvalVar, 1, 1) \
421 F(DeclareGlobals, 2, 1) \
422 F(DeclareModuleExports, 2, 1) \
423 F(DeleteLookupSlot, 1, 1) \
424 F(LoadLookupSlot, 1, 1) \
425 F(LoadLookupSlotInsideTypeof, 1, 1) \
426 \
427 F(NewClosure, 2, 1) \
428 F(NewClosure_Tenured, 2, 1) \
429 F(NewFunctionContext, 1, 1) \
430 F(NewRestParameter, 1, 1) \
431 F(NewSloppyArguments, 1, 1) \
432 F(NewStrictArguments, 1, 1) \
433 F(PushBlockContext, 1, 1) \
434 F(PushCatchContext, 2, 1) \
435 F(PushWithContext, 2, 1) \
436 F(StoreGlobalNoHoleCheckForReplLetOrConst, 2, 1) \
437 F(StoreLookupSlot_Sloppy, 2, 1) \
438 F(StoreLookupSlot_SloppyHoisting, 2, 1) \
439 F(StoreLookupSlot_Strict, 2, 1) \
440 F(ThrowConstAssignError, 0, 1)
441
442 #define FOR_EACH_INTRINSIC_SHADOW_REALM(F, I) \
443 F(ShadowRealmWrappedFunctionCreate, 2, 1)
444
445 #define FOR_EACH_INTRINSIC_STRINGS(F, I) \
446 F(FlattenString, 1, 1) \
447 F(GetSubstitution, 5, 1) \
448 F(InternalizeString, 1, 1) \
449 F(StringAdd, 2, 1) \
450 F(StringBuilderConcat, 3, 1) \
451 F(StringCharCodeAt, 2, 1) \
452 F(StringEqual, 2, 1) \
453 F(StringEscapeQuotes, 1, 1) \
454 F(StringGreaterThan, 2, 1) \
455 F(StringGreaterThanOrEqual, 2, 1) \
456 F(StringLastIndexOf, 2, 1) \
457 F(StringLessThan, 2, 1) \
458 F(StringLessThanOrEqual, 2, 1) \
459 F(StringMaxLength, 0, 1) \
460 F(StringReplaceOneCharWithString, 3, 1) \
461 F(StringSubstring, 3, 1) \
462 F(StringToArray, 2, 1)
463
464 #define FOR_EACH_INTRINSIC_SYMBOL(F, I) \
465 F(CreatePrivateNameSymbol, 1, 1) \
466 F(CreatePrivateBrandSymbol, 1, 1) \
467 F(CreatePrivateSymbol, -1 /* <= 1 */, 1) \
468 F(SymbolDescriptiveString, 1, 1) \
469 F(SymbolIsPrivate, 1, 1)
470
471 #define FOR_EACH_INTRINSIC_TEST(F, I) \
472 F(Abort, 1, 1) \
473 F(AbortCSADcheck, 1, 1) \
474 F(AbortJS, 1, 1) \
475 F(ActiveTierIsMaglev, 1, 1) \
476 F(ArrayIteratorProtector, 0, 1) \
477 F(ArraySpeciesProtector, 0, 1) \
478 F(BaselineOsr, -1, 1) \
479 F(BenchMaglev, 2, 1) \
480 F(ClearFunctionFeedback, 1, 1) \
481 F(ClearMegamorphicStubCache, 0, 1) \
482 F(CompleteInobjectSlackTracking, 1, 1) \
483 F(ConstructConsString, 2, 1) \
484 F(ConstructDouble, 2, 1) \
485 F(ConstructSlicedString, 2, 1) \
486 F(DebugPrint, 1, 1) \
487 F(DebugPrintPtr, 1, 1) \
488 F(DebugTrace, 0, 1) \
489 F(DebugTrackRetainingPath, -1, 1) \
490 F(DeoptimizeFunction, 1, 1) \
491 F(DisableOptimizationFinalization, 0, 1) \
492 F(DisallowCodegenFromStrings, 1, 1) \
493 F(DisassembleFunction, 1, 1) \
494 F(EnableCodeLoggingForTesting, 0, 1) \
495 F(EnsureFeedbackVectorForFunction, 1, 1) \
496 F(FinalizeOptimization, 0, 1) \
497 F(GetCallable, 0, 1) \
498 F(GetInitializerFunction, 1, 1) \
499 F(GetOptimizationStatus, 1, 1) \
500 F(GetUndetectable, 0, 1) \
501 F(GlobalPrint, 1, 1) \
502 F(HasDictionaryElements, 1, 1) \
503 F(HasDoubleElements, 1, 1) \
504 F(HasElementsInALargeObjectSpace, 1, 1) \
505 F(HasFastElements, 1, 1) \
506 F(HasFastProperties, 1, 1) \
507 F(HasFixedBigInt64Elements, 1, 1) \
508 F(HasFixedBigUint64Elements, 1, 1) \
509 F(HasFixedFloat32Elements, 1, 1) \
510 F(HasFixedFloat64Elements, 1, 1) \
511 F(HasFixedInt16Elements, 1, 1) \
512 F(HasFixedInt32Elements, 1, 1) \
513 F(HasFixedInt8Elements, 1, 1) \
514 F(HasFixedUint16Elements, 1, 1) \
515 F(HasFixedUint32Elements, 1, 1) \
516 F(HasFixedUint8ClampedElements, 1, 1) \
517 F(HasFixedUint8Elements, 1, 1) \
518 F(HasHoleyElements, 1, 1) \
519 F(HasObjectElements, 1, 1) \
520 F(HasOwnConstDataProperty, 2, 1) \
521 F(HasPackedElements, 1, 1) \
522 F(HasSloppyArgumentsElements, 1, 1) \
523 F(HasSmiElements, 1, 1) \
524 F(HasSmiOrObjectElements, 1, 1) \
525 F(HaveSameMap, 2, 1) \
526 F(HeapObjectVerify, 1, 1) \
527 F(ICsAreEnabled, 0, 1) \
528 F(InLargeObjectSpace, 1, 1) \
529 F(InYoungGeneration, 1, 1) \
530 F(Is64Bit, 0, 1) \
531 F(IsAtomicsWaitAllowed, 0, 1) \
532 F(IsBeingInterpreted, 0, 1) \
533 F(IsConcatSpreadableProtector, 0, 1) \
534 F(IsConcurrentRecompilationSupported, 0, 1) \
535 F(IsDictPropertyConstTrackingEnabled, 0, 1) \
536 F(IsSameHeapObject, 2, 1) \
537 F(IsSharedString, 1, 1) \
538 F(MapIteratorProtector, 0, 1) \
539 F(NeverOptimizeFunction, 1, 1) \
540 F(NewRegExpWithBacktrackLimit, 3, 1) \
541 F(NotifyContextDisposed, 0, 1) \
542 F(OptimizeMaglevOnNextCall, 1, 1) \
543 F(OptimizeFunctionOnNextCall, -1, 1) \
544 F(OptimizeOsr, -1, 1) \
545 F(PrepareFunctionForOptimization, -1, 1) \
546 F(PretenureAllocationSite, 1, 1) \
547 F(PrintWithNameForAssert, 2, 1) \
548 F(PromiseSpeciesProtector, 0, 1) \
549 F(RegExpSpeciesProtector, 0, 1) \
550 F(RegexpHasBytecode, 2, 1) \
551 F(RegexpHasNativeCode, 2, 1) \
552 F(RegexpIsUnmodified, 1, 1) \
553 F(RegexpTypeTag, 1, 1) \
554 F(RunningInSimulator, 0, 1) \
555 F(RuntimeEvaluateREPL, 1, 1) \
556 F(ScheduleGCInStackCheck, 0, 1) \
557 F(SerializeDeserializeNow, 0, 1) \
558 F(SetAllocationTimeout, -1 /* 2 || 3 */, 1) \
559 F(SetForceSlowPath, 1, 1) \
560 F(SetIteratorProtector, 0, 1) \
561 F(SharedGC, 0, 1) \
562 F(SimulateNewspaceFull, 0, 1) \
563 F(StringIteratorProtector, 0, 1) \
564 F(SystemBreak, 0, 1) \
565 F(TakeHeapSnapshot, -1, 1) \
566 F(TraceEnter, 0, 1) \
567 F(TraceExit, 1, 1) \
568 F(TurbofanStaticAssert, 1, 1) \
569 F(TypedArraySpeciesProtector, 0, 1) \
570 F(WaitForBackgroundOptimization, 0, 1) \
571 F(WebSnapshotDeserialize, -1, 1) \
572 F(WebSnapshotSerialize, -1, 1) \
573 I(DeoptimizeNow, 0, 1)
574
575 #define FOR_EACH_INTRINSIC_TYPEDARRAY(F, I) \
576 F(ArrayBufferDetach, 1, 1) \
577 F(GrowableSharedArrayBufferByteLength, 1, 1) \
578 F(TypedArrayCopyElements, 3, 1) \
579 F(TypedArrayGetBuffer, 1, 1) \
580 F(TypedArraySet, 2, 1) \
581 F(TypedArraySortFast, 1, 1)
582
583 #define FOR_EACH_INTRINSIC_WASM(F, I) \
584 F(ThrowWasmError, 1, 1) \
585 F(ThrowWasmStackOverflow, 0, 1) \
586 F(WasmI32AtomicWait, 4, 1) \
587 F(WasmI64AtomicWait, 5, 1) \
588 F(WasmAtomicNotify, 3, 1) \
589 F(WasmMemoryGrow, 2, 1) \
590 F(WasmStackGuard, 0, 1) \
591 F(WasmThrow, 2, 1) \
592 F(WasmReThrow, 1, 1) \
593 F(WasmThrowJSTypeError, 0, 1) \
594 F(WasmRefFunc, 1, 1) \
595 F(WasmFunctionTableGet, 3, 1) \
596 F(WasmFunctionTableSet, 4, 1) \
597 F(WasmTableInit, 6, 1) \
598 F(WasmTableCopy, 6, 1) \
599 F(WasmTableGrow, 3, 1) \
600 F(WasmTableFill, 5, 1) \
601 F(WasmIsValidRefValue, 3, 1) \
602 F(WasmCompileLazy, 2, 1) \
603 F(WasmCompileWrapper, 2, 1) \
604 F(WasmTriggerTierUp, 1, 1) \
605 F(WasmDebugBreak, 0, 1) \
606 F(WasmArrayCopy, 5, 1) \
607 F(WasmArrayInitFromData, 5, 1) \
608 F(WasmAllocateContinuation, 1, 1) \
609 F(WasmSyncStackLimit, 0, 1) \
610 F(WasmCreateResumePromise, 2, 1)
611
612 #define FOR_EACH_INTRINSIC_WASM_TEST(F, I) \
613 F(DeserializeWasmModule, 2, 1) \
614 F(DisallowWasmCodegen, 1, 1) \
615 F(FreezeWasmLazyCompilation, 1, 1) \
616 F(GetWasmExceptionTagId, 2, 1) \
617 F(GetWasmExceptionValues, 1, 1) \
618 F(GetWasmRecoveredTrapCount, 0, 1) \
619 F(IsAsmWasmCode, 1, 1) \
620 F(IsLiftoffFunction, 1, 1) \
621 F(IsTurboFanFunction, 1, 1) \
622 F(IsThreadInWasm, 0, 1) \
623 F(IsWasmCode, 1, 1) \
624 F(IsWasmTrapHandlerEnabled, 0, 1) \
625 F(SerializeWasmModule, 1, 1) \
626 F(SetWasmCompileControls, 2, 1) \
627 F(SetWasmInstantiateControls, 0, 1) \
628 F(WasmGetNumberOfInstances, 1, 1) \
629 F(WasmNumCodeSpaces, 1, 1) \
630 F(WasmTierDown, 0, 1) \
631 F(WasmTierUp, 0, 1) \
632 F(WasmTierUpFunction, 2, 1) \
633 F(WasmTraceEnter, 0, 1) \
634 F(WasmTraceExit, 1, 1) \
635 F(WasmTraceMemory, 1, 1)
636
637 #define FOR_EACH_INTRINSIC_WEAKREF(F, I) \
638 F(JSFinalizationRegistryRegisterWeakCellWithUnregisterToken, 4, 1) \
639 F(JSWeakRefAddToKeptObjects, 1, 1) \
640 F(ShrinkFinalizationRegistryUnregisterTokenMap, 1, 1)
641
642 #define FOR_EACH_INTRINSIC_RETURN_PAIR_IMPL(F, I) \
643 F(DebugBreakOnBytecode, 1, 2) \
644 F(LoadLookupSlotForCall, 1, 2)
645
646 // Most intrinsics are implemented in the runtime/ directory, but ICs are
647 // implemented in ic.cc for now.
648 #define FOR_EACH_INTRINSIC_IC(F, I) \
649 F(ElementsTransitionAndStoreIC_Miss, 6, 1) \
650 F(KeyedLoadIC_Miss, 4, 1) \
651 F(KeyedStoreIC_Miss, 5, 1) \
652 F(DefineKeyedOwnIC_Miss, 5, 1) \
653 F(StoreInArrayLiteralIC_Miss, 5, 1) \
654 F(DefineNamedOwnIC_Slow, 3, 1) \
655 F(KeyedStoreIC_Slow, 3, 1) \
656 F(DefineKeyedOwnIC_Slow, 3, 1) \
657 F(LoadElementWithInterceptor, 2, 1) \
658 F(LoadGlobalIC_Miss, 4, 1) \
659 F(LoadGlobalIC_Slow, 3, 1) \
660 F(LoadIC_Miss, 4, 1) \
661 F(LoadNoFeedbackIC_Miss, 4, 1) \
662 F(LoadWithReceiverIC_Miss, 5, 1) \
663 F(LoadWithReceiverNoFeedbackIC_Miss, 3, 1) \
664 F(LoadPropertyWithInterceptor, 5, 1) \
665 F(StoreCallbackProperty, 5, 1) \
666 F(StoreGlobalIC_Miss, 4, 1) \
667 F(StoreGlobalICNoFeedback_Miss, 2, 1) \
668 F(StoreGlobalIC_Slow, 5, 1) \
669 F(StoreIC_Miss, 5, 1) \
670 F(DefineNamedOwnIC_Miss, 5, 1) \
671 F(StoreInArrayLiteralIC_Slow, 5, 1) \
672 F(StorePropertyWithInterceptor, 5, 1) \
673 F(CloneObjectIC_Miss, 4, 1) \
674 F(KeyedHasIC_Miss, 4, 1) \
675 F(HasElementWithInterceptor, 2, 1)
676
677 #define FOR_EACH_INTRINSIC_RETURN_OBJECT_IMPL(F, I) \
678 FOR_EACH_INTRINSIC_ARRAY(F, I) \
679 FOR_EACH_INTRINSIC_ATOMICS(F, I) \
680 FOR_EACH_INTRINSIC_BIGINT(F, I) \
681 FOR_EACH_INTRINSIC_CLASSES(F, I) \
682 FOR_EACH_INTRINSIC_COLLECTIONS(F, I) \
683 FOR_EACH_INTRINSIC_COMPILER(F, I) \
684 FOR_EACH_INTRINSIC_DATE(F, I) \
685 FOR_EACH_INTRINSIC_DEBUG(F, I) \
686 FOR_EACH_INTRINSIC_FORIN(F, I) \
687 FOR_EACH_INTRINSIC_FUNCTION(F, I) \
688 FOR_EACH_INTRINSIC_GENERATOR(F, I) \
689 FOR_EACH_INTRINSIC_IC(F, I) \
690 FOR_EACH_INTRINSIC_INTERNAL(F, I) \
691 FOR_EACH_INTRINSIC_TRACE(F, I) \
692 FOR_EACH_INTRINSIC_INTL(F, I) \
693 FOR_EACH_INTRINSIC_LITERALS(F, I) \
694 FOR_EACH_INTRINSIC_MODULE(F, I) \
695 FOR_EACH_INTRINSIC_NUMBERS(F, I) \
696 FOR_EACH_INTRINSIC_OBJECT(F, I) \
697 FOR_EACH_INTRINSIC_OPERATORS(F, I) \
698 FOR_EACH_INTRINSIC_PROMISE(F, I) \
699 FOR_EACH_INTRINSIC_PROXY(F, I) \
700 FOR_EACH_INTRINSIC_REGEXP(F, I) \
701 FOR_EACH_INTRINSIC_SCOPES(F, I) \
702 FOR_EACH_INTRINSIC_SHADOW_REALM(F, I) \
703 FOR_EACH_INTRINSIC_STRINGS(F, I) \
704 FOR_EACH_INTRINSIC_SYMBOL(F, I) \
705 FOR_EACH_INTRINSIC_TEST(F, I) \
706 FOR_EACH_INTRINSIC_TYPEDARRAY(F, I) \
707 IF_WASM(FOR_EACH_INTRINSIC_WASM, F, I) \
708 IF_WASM(FOR_EACH_INTRINSIC_WASM_TEST, F, I) \
709 FOR_EACH_INTRINSIC_WEAKREF(F, I)
710
711 // Defines the list of all intrinsics, coming in 2 flavors, either returning an
712 // object or a pair.
713 #define FOR_EACH_INTRINSIC_IMPL(F, I) \
714 FOR_EACH_INTRINSIC_RETURN_PAIR_IMPL(F, I) \
715 FOR_EACH_INTRINSIC_RETURN_OBJECT_IMPL(F, I)
716
717 #define FOR_EACH_INTRINSIC_RETURN_OBJECT(F) \
718 FOR_EACH_INTRINSIC_RETURN_OBJECT_IMPL(F, F)
719
720 #define FOR_EACH_INTRINSIC_RETURN_PAIR(F) \
721 FOR_EACH_INTRINSIC_RETURN_PAIR_IMPL(F, F)
722
723 // The list of all intrinsics, including those that have inline versions, but
724 // not the inline versions themselves.
725 #define FOR_EACH_INTRINSIC(F) FOR_EACH_INTRINSIC_IMPL(F, F)
726
727 // The list of all inline intrinsics only.
728 #define FOR_EACH_INLINE_INTRINSIC(I) FOR_EACH_INTRINSIC_IMPL(NOTHING, I)
729
730 #define F(name, nargs, ressize) \
731 Address Runtime_##name(int args_length, Address* args_object, \
732 Isolate* isolate);
FOR_EACH_INTRINSIC_RETURN_OBJECT(F)733 FOR_EACH_INTRINSIC_RETURN_OBJECT(F)
734 #undef F
735
736 //---------------------------------------------------------------------------
737 // Runtime provides access to all C++ runtime functions.
738
739 class Runtime : public AllStatic {
740 public:
741 enum FunctionId : int32_t {
742 #define F(name, nargs, ressize) k##name,
743 #define I(name, nargs, ressize) kInline##name,
744 FOR_EACH_INTRINSIC(F) FOR_EACH_INLINE_INTRINSIC(I)
745 #undef I
746 #undef F
747 kNumFunctions,
748 };
749
750 static constexpr int kNumInlineFunctions =
751 #define COUNT(...) +1
752 FOR_EACH_INLINE_INTRINSIC(COUNT);
753 #undef COUNT
754
755 enum IntrinsicType { RUNTIME, INLINE };
756
757 // Intrinsic function descriptor.
758 struct Function {
759 FunctionId function_id;
760 IntrinsicType intrinsic_type;
761 // The JS name of the function.
762 const char* name;
763
764 // For RUNTIME functions, this is the C++ entry point.
765 // For INLINE functions this is the C++ entry point of the fall back.
766 Address entry;
767
768 // The number of arguments expected. nargs is -1 if the function takes
769 // a variable number of arguments.
770 int8_t nargs;
771 // Size of result. Most functions return a single pointer, size 1.
772 int8_t result_size;
773 };
774
775 static const int kNotFound = -1;
776
777 // Checks whether the runtime function with the given {id} depends on the
778 // "current context", i.e. because it does scoped lookups, or whether it's
779 // fine to just pass any context within the same "native context".
780 static bool NeedsExactContext(FunctionId id);
781
782 // Checks whether the runtime function with the given {id} never returns
783 // to it's caller normally, i.e. whether it'll always raise an exception.
784 // More specifically: The C++ implementation returns the Heap::exception
785 // sentinel, always.
786 static bool IsNonReturning(FunctionId id);
787
788 // Check if a runtime function with the given {id} may trigger a heap
789 // allocation.
790 static bool MayAllocate(FunctionId id);
791
792 // Check if a runtime function with the given {id} is allowlisted for
793 // using it with fuzzers.
794 static bool IsAllowListedForFuzzing(FunctionId id);
795
796 // Get the intrinsic function with the given name.
797 static const Function* FunctionForName(const unsigned char* name, int length);
798
799 // Get the intrinsic function with the given FunctionId.
800 V8_EXPORT_PRIVATE static const Function* FunctionForId(FunctionId id);
801
802 // Get the intrinsic function with the given function entry address.
803 static const Function* FunctionForEntry(Address ref);
804
805 // Get the runtime intrinsic function table.
806 static const Function* RuntimeFunctionTable(Isolate* isolate);
807
808 V8_EXPORT_PRIVATE V8_WARN_UNUSED_RESULT static Maybe<bool>
809 DeleteObjectProperty(Isolate* isolate, Handle<JSReceiver> receiver,
810 Handle<Object> key, LanguageMode language_mode);
811
812 // Perform a property store on object. If the key is a private name (i.e. this
813 // is a private field assignment), this method throws if the private field
814 // does not exist on object.
815 V8_EXPORT_PRIVATE V8_WARN_UNUSED_RESULT static MaybeHandle<Object>
816 SetObjectProperty(Isolate* isolate, Handle<Object> object, Handle<Object> key,
817 Handle<Object> value, StoreOrigin store_origin,
818 Maybe<ShouldThrow> should_throw = Nothing<ShouldThrow>());
819
820 // Defines a property on object. If the key is a private name (i.e. this is a
821 // private field definition), this method throws if the field already exists
822 // on object.
823 V8_EXPORT_PRIVATE V8_WARN_UNUSED_RESULT static MaybeHandle<Object>
824 DefineObjectOwnProperty(Isolate* isolate, Handle<Object> object,
825 Handle<Object> key, Handle<Object> value,
826 StoreOrigin store_origin);
827
828 // When "receiver" is not passed, it defaults to "lookup_start_object".
829 V8_EXPORT_PRIVATE V8_WARN_UNUSED_RESULT static MaybeHandle<Object>
830 GetObjectProperty(Isolate* isolate, Handle<Object> lookup_start_object,
831 Handle<Object> key,
832 Handle<Object> receiver = Handle<Object>(),
833 bool* is_found = nullptr);
834
835 V8_WARN_UNUSED_RESULT static MaybeHandle<Object> HasProperty(
836 Isolate* isolate, Handle<Object> object, Handle<Object> key);
837
838 V8_EXPORT_PRIVATE V8_WARN_UNUSED_RESULT static MaybeHandle<JSArray>
839 GetInternalProperties(Isolate* isolate, Handle<Object>);
840
841 V8_WARN_UNUSED_RESULT static MaybeHandle<Object> ThrowIteratorError(
842 Isolate* isolate, Handle<Object> object);
843 };
844
845 class RuntimeState {
846 public:
847 RuntimeState(const RuntimeState&) = delete;
848 RuntimeState& operator=(const RuntimeState&) = delete;
849 #ifndef V8_INTL_SUPPORT
to_upper_mapping()850 unibrow::Mapping<unibrow::ToUppercase, 128>* to_upper_mapping() {
851 return &to_upper_mapping_;
852 }
to_lower_mapping()853 unibrow::Mapping<unibrow::ToLowercase, 128>* to_lower_mapping() {
854 return &to_lower_mapping_;
855 }
856 #endif
857
redirected_intrinsic_functions()858 Runtime::Function* redirected_intrinsic_functions() {
859 return redirected_intrinsic_functions_.get();
860 }
861
set_redirected_intrinsic_functions(Runtime::Function * redirected_intrinsic_functions)862 void set_redirected_intrinsic_functions(
863 Runtime::Function* redirected_intrinsic_functions) {
864 redirected_intrinsic_functions_.reset(redirected_intrinsic_functions);
865 }
866
867 private:
868 RuntimeState() = default;
869 #ifndef V8_INTL_SUPPORT
870 unibrow::Mapping<unibrow::ToUppercase, 128> to_upper_mapping_;
871 unibrow::Mapping<unibrow::ToLowercase, 128> to_lower_mapping_;
872 #endif
873
874 std::unique_ptr<Runtime::Function[]> redirected_intrinsic_functions_;
875
876 friend class Isolate;
877 friend class Runtime;
878 };
879
880 V8_EXPORT_PRIVATE std::ostream& operator<<(std::ostream&, Runtime::FunctionId);
881
882 //---------------------------------------------------------------------------
883 // Constants used by interface to runtime functions.
884
885 using AllocateDoubleAlignFlag = base::BitField<bool, 0, 1>;
886
887 using AllowLargeObjectAllocationFlag = base::BitField<bool, 1, 1>;
888
889 // A set of bits returned by Runtime_GetOptimizationStatus.
890 // These bits must be in sync with bits defined in test/mjsunit/mjsunit.js
891 enum class OptimizationStatus {
892 kIsFunction = 1 << 0,
893 kNeverOptimize = 1 << 1,
894 kAlwaysOptimize = 1 << 2,
895 kMaybeDeopted = 1 << 3,
896 kOptimized = 1 << 4,
897 kMaglevved = 1 << 5,
898 kTurboFanned = 1 << 6,
899 kInterpreted = 1 << 7,
900 kMarkedForOptimization = 1 << 8,
901 kMarkedForConcurrentOptimization = 1 << 9,
902 kOptimizingConcurrently = 1 << 10,
903 kIsExecuting = 1 << 11,
904 kTopmostFrameIsTurboFanned = 1 << 12,
905 kLiteMode = 1 << 13,
906 kMarkedForDeoptimization = 1 << 14,
907 kBaseline = 1 << 15,
908 kTopmostFrameIsInterpreted = 1 << 16,
909 kTopmostFrameIsBaseline = 1 << 17,
910 };
911
912 } // namespace internal
913 } // namespace v8
914
915 #endif // V8_RUNTIME_RUNTIME_H_
916