WebKit/Source/JavaScriptCore/b3/B3AbstractHeapRepository.h at main · WebKit/WebKit · GitHub

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* Redistribution and use in source and binary forms, with or without

* modification, are permitted provided that the following conditions

* are met:

* 1. Redistributions of source code must retain the above copyright

* notice, this list of conditions and the following disclaimer.

* 2. Redistributions in binary form must reproduce the above copyright

* notice, this list of conditions and the following disclaimer in the

* documentation and/or other materials provided with the distribution.

* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY

* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR

* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,

* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,

* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR

* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY

* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

#pragma once

#if ENABLE(B3_JIT)

#include "B3AbstractHeap.h"

#include "B3Value.h"

#include "DFGArrayMode.h"

#include "IndexingType.h"

namespace JSC::B3 {

#define FOR_EACH_ABSTRACT_HEAP(macro) \

macro(TypedArrayProperties) \

macro(JSCellHeaderAndNamedProperties) \

macro(OrderedHashTableData) \

macro(VM_heapState) \

// macro(name, offset, mutability)

#define FOR_EACH_ABSTRACT_FIELD(macro) \

macro(ArrayBuffer_data, ArrayBuffer::offsetOfData(), Mutability::Mutable) \

macro(ArrayStorage_numValuesInVector, ArrayStorage::numValuesInVectorOffset(), Mutability::Mutable) \

macro(Butterfly_arrayBuffer, Butterfly::offsetOfArrayBuffer(), Mutability::Mutable) \

macro(Butterfly_publicLength, Butterfly::offsetOfPublicLength(), Mutability::Mutable) \

macro(Butterfly_vectorLength, Butterfly::offsetOfVectorLength(), Mutability::Mutable) \

macro(CallFrame_callerFrame, CallFrame::callerFrameOffset(), Mutability::Mutable) \

macro(ClassInfo_parentClass, ClassInfo::offsetOfParentClass(), Mutability::Immutable) \

macro(ClonedArguments_callee, ClonedArguments::offsetOfCallee(), Mutability::Mutable) \

macro(ConcatKeyAtomStringCache_quickCache0_key, ConcatKeyAtomStringCache::offsetOfQuickCache0() + ConcatKeyAtomStringCache::CacheEntry::offsetOfKey(), Mutability::Mutable) \

macro(ConcatKeyAtomStringCache_quickCache0_value, ConcatKeyAtomStringCache::offsetOfQuickCache0() + ConcatKeyAtomStringCache::CacheEntry::offsetOfValue(), Mutability::Mutable) \

macro(ConcatKeyAtomStringCache_quickCache1_key, ConcatKeyAtomStringCache::offsetOfQuickCache1() + ConcatKeyAtomStringCache::CacheEntry::offsetOfKey(), Mutability::Mutable) \

macro(ConcatKeyAtomStringCache_quickCache1_value, ConcatKeyAtomStringCache::offsetOfQuickCache1() + ConcatKeyAtomStringCache::CacheEntry::offsetOfValue(), Mutability::Mutable) \

macro(DateInstance_internalNumber, DateInstance::offsetOfInternalNumber(), Mutability::Mutable) \

macro(DateInstance_data, DateInstance::offsetOfData(), Mutability::Mutable) \

macro(DateInstanceData_gregorianDateTimeCachedForMS, DateInstanceData::offsetOfGregorianDateTimeCachedForMS(), Mutability::Mutable) \

macro(DateInstanceData_gregorianDateTimeUTCCachedForMS, DateInstanceData::offsetOfGregorianDateTimeUTCCachedForMS(), Mutability::Mutable) \

macro(DateInstanceData_cachedGregorianDateTime_year, DateInstanceData::offsetOfCachedGregorianDateTime() + GregorianDateTime::offsetOfYear(), Mutability::Mutable) \

macro(DateInstanceData_cachedGregorianDateTimeUTC_year, DateInstanceData::offsetOfCachedGregorianDateTimeUTC() + GregorianDateTime::offsetOfYear(), Mutability::Mutable) \

macro(DateInstanceData_cachedGregorianDateTime_month, DateInstanceData::offsetOfCachedGregorianDateTime() + GregorianDateTime::offsetOfMonth(), Mutability::Mutable) \

macro(DateInstanceData_cachedGregorianDateTimeUTC_month, DateInstanceData::offsetOfCachedGregorianDateTimeUTC() + GregorianDateTime::offsetOfMonth(), Mutability::Mutable) \

macro(DateInstanceData_cachedGregorianDateTime_monthDay, DateInstanceData::offsetOfCachedGregorianDateTime() + GregorianDateTime::offsetOfMonthDay(), Mutability::Mutable) \

macro(DateInstanceData_cachedGregorianDateTimeUTC_monthDay, DateInstanceData::offsetOfCachedGregorianDateTimeUTC() + GregorianDateTime::offsetOfMonthDay(), Mutability::Mutable) \

macro(DateInstanceData_cachedGregorianDateTime_weekDay, DateInstanceData::offsetOfCachedGregorianDateTime() + GregorianDateTime::offsetOfWeekDay(), Mutability::Mutable) \

macro(DateInstanceData_cachedGregorianDateTimeUTC_weekDay, DateInstanceData::offsetOfCachedGregorianDateTimeUTC() + GregorianDateTime::offsetOfWeekDay(), Mutability::Mutable) \

macro(DateInstanceData_cachedGregorianDateTime_hour, DateInstanceData::offsetOfCachedGregorianDateTime() + GregorianDateTime::offsetOfHour(), Mutability::Mutable) \

macro(DateInstanceData_cachedGregorianDateTimeUTC_hour, DateInstanceData::offsetOfCachedGregorianDateTimeUTC() + GregorianDateTime::offsetOfHour(), Mutability::Mutable) \

macro(DateInstanceData_cachedGregorianDateTime_minute, DateInstanceData::offsetOfCachedGregorianDateTime() + GregorianDateTime::offsetOfMinute(), Mutability::Mutable) \

macro(DateInstanceData_cachedGregorianDateTimeUTC_minute, DateInstanceData::offsetOfCachedGregorianDateTimeUTC() + GregorianDateTime::offsetOfMinute(), Mutability::Mutable) \

macro(DateInstanceData_cachedGregorianDateTime_second, DateInstanceData::offsetOfCachedGregorianDateTime() + GregorianDateTime::offsetOfSecond(), Mutability::Mutable) \

macro(DateInstanceData_cachedGregorianDateTimeUTC_second, DateInstanceData::offsetOfCachedGregorianDateTimeUTC() + GregorianDateTime::offsetOfSecond(), Mutability::Mutable) \

macro(DateInstanceData_cachedGregorianDateTime_utcOffsetInMinute, DateInstanceData::offsetOfCachedGregorianDateTime() + GregorianDateTime::offsetOfUTCOffsetInMinute(), Mutability::Mutable) \

macro(DateInstanceData_cachedGregorianDateTimeUTC_utcOffsetInMinute, DateInstanceData::offsetOfCachedGregorianDateTimeUTC() + GregorianDateTime::offsetOfUTCOffsetInMinute(), Mutability::Mutable) \

macro(DirectArguments_callee, DirectArguments::offsetOfCallee(), Mutability::Mutable) \

macro(DirectArguments_length, DirectArguments::offsetOfLength(), Mutability::Mutable) \

macro(DirectArguments_minCapacity, DirectArguments::offsetOfMinCapacity(), Mutability::Mutable) \

macro(DirectArguments_mappedArguments, DirectArguments::offsetOfMappedArguments(), Mutability::Mutable) \

macro(DirectArguments_modifiedArgumentsDescriptor, DirectArguments::offsetOfModifiedArgumentsDescriptor(), Mutability::Mutable) \

macro(FunctionExecutable_rareData, FunctionExecutable::offsetOfRareData(), Mutability::Mutable) \

macro(FunctionExecutableRareData_asString, FunctionExecutable::RareData::offsetOfAsString(), Mutability::Mutable) \

macro(FunctionRareData_allocator, FunctionRareData::offsetOfObjectAllocationProfile() + ObjectAllocationProfileWithPrototype::offsetOfAllocator(), Mutability::Mutable) \

macro(FunctionRareData_structure, FunctionRareData::offsetOfObjectAllocationProfile() + ObjectAllocationProfileWithPrototype::offsetOfStructure(), Mutability::Mutable) \

macro(FunctionRareData_prototype, FunctionRareData::offsetOfObjectAllocationProfile() + ObjectAllocationProfileWithPrototype::offsetOfPrototype(), Mutability::Mutable) \

macro(FunctionRareData_allocationProfileWatchpointSet, FunctionRareData::offsetOfAllocationProfileWatchpointSet(), Mutability::Mutable) \

macro(FunctionRareData_executable, FunctionRareData::offsetOfExecutable(), Mutability::Mutable) \

macro(FunctionRareData_internalFunctionAllocationProfile_structureID, FunctionRareData::offsetOfInternalFunctionAllocationProfile() + InternalFunctionAllocationProfile::offsetOfStructureID(), Mutability::Mutable) \

macro(GetterSetter_getter, GetterSetter::offsetOfGetter(), Mutability::Mutable) \

macro(GetterSetter_setter, GetterSetter::offsetOfSetter(), Mutability::Mutable) \

macro(InlineWatchpointSet_data, InlineWatchpointSet::offsetOfData(), Mutability::Mutable) \

macro(JSArrayBufferView_byteOffset, JSArrayBufferView::offsetOfByteOffset(), Mutability::Mutable) \

macro(JSArrayBufferView_length, JSArrayBufferView::offsetOfLength(), Mutability::Mutable) \

macro(JSArrayBufferView_mode, JSArrayBufferView::offsetOfMode(), Mutability::Mutable) \

macro(JSArrayBufferView_vector, JSArrayBufferView::offsetOfVector(), Mutability::Mutable) \

macro(JSBigInt_length, JSBigInt::offsetOfLength(), Mutability::Immutable) \

macro(JSBigInt_data, JSBigInt::offsetOfData(), Mutability::Immutable) \

macro(JSBoundFunction_targetFunction, JSBoundFunction::offsetOfTargetFunction(), Mutability::Mutable) \

macro(JSBoundFunction_boundThis, JSBoundFunction::offsetOfBoundThis(), Mutability::Mutable) \

macro(JSBoundFunction_boundArg0, JSBoundFunction::offsetOfBoundArgs() + sizeof(WriteBarrier<Unknown>) * 0, Mutability::Mutable) \

macro(JSBoundFunction_boundArg1, JSBoundFunction::offsetOfBoundArgs() + sizeof(WriteBarrier<Unknown>) * 1, Mutability::Mutable) \

macro(JSBoundFunction_boundArg2, JSBoundFunction::offsetOfBoundArgs() + sizeof(WriteBarrier<Unknown>) * 2, Mutability::Mutable) \

macro(JSBoundFunction_nameMayBeNull, JSBoundFunction::offsetOfNameMayBeNull(), Mutability::Mutable) \

macro(JSBoundFunction_length, JSBoundFunction::offsetOfLength(), Mutability::Mutable) \

macro(JSBoundFunction_boundArgsLength, JSBoundFunction::offsetOfBoundArgsLength(), Mutability::Mutable) \

macro(JSBoundFunction_canConstruct, JSBoundFunction::offsetOfCanConstruct(), Mutability::Mutable) \

macro(JSCallee_scope, JSCallee::offsetOfScopeChain(), Mutability::Mutable) \

macro(JSCell_cellState, JSCell::cellStateOffset(), Mutability::Mutable) \

macro(JSCell_header, 0, Mutability::Mutable) \

macro(JSCell_indexingTypeAndMisc, JSCell::indexingTypeAndMiscOffset(), Mutability::Mutable) \

macro(JSCell_structureID, JSCell::structureIDOffset(), Mutability::Mutable) \

macro(JSCell_typeInfoFlags, JSCell::typeInfoFlagsOffset(), Mutability::Mutable) \

macro(JSCell_typeInfoType, JSCell::typeInfoTypeOffset(), Mutability::Immutable) \

macro(JSCell_usefulBytes, JSCell::indexingTypeAndMiscOffset(), Mutability::Mutable) \

macro(JSFunction_executableOrRareData, JSFunction::offsetOfExecutableOrRareData(), Mutability::Mutable) \

macro(JSGlobalObject_regExpGlobalData_cachedResult_lastRegExp, JSGlobalObject::regExpGlobalDataOffset() + RegExpGlobalData::offsetOfCachedResult() + RegExpCachedResult::offsetOfLastRegExp(), Mutability::Mutable) \

macro(JSGlobalObject_regExpGlobalData_cachedResult_lastInput, JSGlobalObject::regExpGlobalDataOffset() + RegExpGlobalData::offsetOfCachedResult() + RegExpCachedResult::offsetOfLastInput(), Mutability::Mutable) \

macro(JSGlobalObject_regExpGlobalData_cachedResult_result_start, JSGlobalObject::regExpGlobalDataOffset() + RegExpGlobalData::offsetOfCachedResult() + RegExpCachedResult::offsetOfResult() + OBJECT_OFFSETOF(MatchResult, start), Mutability::Mutable) \

macro(JSGlobalObject_regExpGlobalData_cachedResult_result_end, JSGlobalObject::regExpGlobalDataOffset() + RegExpGlobalData::offsetOfCachedResult() + RegExpCachedResult::offsetOfResult() + OBJECT_OFFSETOF(MatchResult, end), Mutability::Mutable) \

macro(JSGlobalObject_regExpGlobalData_cachedResult_reified, JSGlobalObject::regExpGlobalDataOffset() + RegExpGlobalData::offsetOfCachedResult() + RegExpCachedResult::offsetOfReified(), Mutability::Mutable) \

macro(JSGlobalObject_regExpGlobalData_cachedResult_oneCharacterMatch, JSGlobalObject::regExpGlobalDataOffset() + RegExpGlobalData::offsetOfCachedResult() + RegExpCachedResult::offsetOfOneCharacterMatch(), Mutability::Mutable) \

macro(JSGlobalObject_canDoASCIIUCADUCETLocaleCompare, JSGlobalObject::offsetOfCanDoASCIIUCADUCETLocaleCompare(), Mutability::Mutable) \

macro(JSGlobalProxy_target, JSGlobalProxy::targetOffset(), Mutability::Mutable) \

macro(JSObject_butterfly, JSObject::butterflyOffset(), Mutability::Mutable) \

macro(JSPropertyNameEnumerator_cachedInlineCapacity, JSPropertyNameEnumerator::cachedInlineCapacityOffset(), Mutability::Mutable) \

macro(JSPropertyNameEnumerator_cachedPropertyNamesVector, JSPropertyNameEnumerator::cachedPropertyNamesVectorOffset(), Mutability::Mutable) \

macro(JSPropertyNameEnumerator_cachedStructureID, JSPropertyNameEnumerator::cachedStructureIDOffset(), Mutability::Mutable) \

macro(JSPropertyNameEnumerator_endGenericPropertyIndex, JSPropertyNameEnumerator::endGenericPropertyIndexOffset(), Mutability::Mutable) \

macro(JSPropertyNameEnumerator_endStructurePropertyIndex, JSPropertyNameEnumerator::endStructurePropertyIndexOffset(), Mutability::Mutable) \

macro(JSPropertyNameEnumerator_indexLength, JSPropertyNameEnumerator::indexedLengthOffset(), Mutability::Mutable) \

macro(JSPropertyNameEnumerator_flags, JSPropertyNameEnumerator::flagsOffset(), Mutability::Mutable) \

macro(JSRopeString_flags, JSRopeString::offsetOfFlags(), Mutability::Mutable) \

macro(JSRopeString_length, JSRopeString::offsetOfLength(), Mutability::Immutable) \

macro(JSRopeString_fiber0, JSRopeString::offsetOfFiber0(), Mutability::Mutable) \

macro(JSRopeString_fiber1, JSRopeString::offsetOfFiber1(), Mutability::Mutable) \

macro(JSRopeString_fiber2, JSRopeString::offsetOfFiber2(), Mutability::Mutable) \

macro(JSScope_next, JSScope::offsetOfNext(), Mutability::Immutable) \

macro(JSSymbolTableObject_symbolTable, JSSymbolTableObject::offsetOfSymbolTable(), Mutability::Mutable) \

macro(JSWebAssemblyArray_size, JSWebAssemblyArray::offsetOfSize(), Mutability::Immutable) \

macro(JSWebAssemblyInstance_cachedTable0Buffer, JSWebAssemblyInstance::offsetOfCachedTable0Buffer(), Mutability::Mutable) \

macro(JSWebAssemblyInstance_cachedTable0Length, JSWebAssemblyInstance::offsetOfCachedTable0Length(), Mutability::Mutable) \

macro(JSWebAssemblyInstance_moduleRecord, JSWebAssemblyInstance::offsetOfModuleRecord(), Mutability::Mutable) \

macro(JSWebAssemblyInstance_vm, JSWebAssemblyInstance::offsetOfVM(), Mutability::Immutable) \

macro(JSWebAssemblyInstance_cachedMemory0Size, JSWebAssemblyInstance::offsetOfCachedMemory0Size(), Mutability::Mutable) \

macro(NativeExecutable_asString, NativeExecutable::offsetOfAsString(), Mutability::Mutable) \

macro(RegExp_flags, RegExp::offsetOfFlags(), Mutability::Mutable) \

macro(RegExpObject_regExpAndFlags, RegExpObject::offsetOfRegExpAndFlags(), Mutability::Mutable) \

macro(RegExpObject_lastIndex, RegExpObject::offsetOfLastIndex(), Mutability::Mutable) \

macro(ShadowChicken_Packet_callee, OBJECT_OFFSETOF(ShadowChicken::Packet, callee), Mutability::Mutable) \

macro(ShadowChicken_Packet_frame, OBJECT_OFFSETOF(ShadowChicken::Packet, frame), Mutability::Mutable) \

macro(ShadowChicken_Packet_callerFrame, OBJECT_OFFSETOF(ShadowChicken::Packet, callerFrame), Mutability::Mutable) \

macro(ShadowChicken_Packet_thisValue, OBJECT_OFFSETOF(ShadowChicken::Packet, thisValue), Mutability::Mutable) \

macro(ShadowChicken_Packet_scope, OBJECT_OFFSETOF(ShadowChicken::Packet, scope), Mutability::Mutable) \

macro(ShadowChicken_Packet_codeBlock, OBJECT_OFFSETOF(ShadowChicken::Packet, codeBlock), Mutability::Mutable) \

macro(ShadowChicken_Packet_callSiteIndex, OBJECT_OFFSETOF(ShadowChicken::Packet, callSiteIndex), Mutability::Mutable) \

macro(ScopedArguments_overrodeThings, ScopedArguments::offsetOfOverrodeThings(), Mutability::Mutable) \

macro(ScopedArguments_scope, ScopedArguments::offsetOfScope(), Mutability::Mutable) \

macro(ScopedArguments_storage, ScopedArguments::offsetOfStorage(), Mutability::Mutable) \

macro(ScopedArguments_table, ScopedArguments::offsetOfTable(), Mutability::Mutable) \

macro(ScopedArguments_totalLength, ScopedArguments::offsetOfTotalLength(), Mutability::Mutable) \

macro(ScopedArgumentsTable_arguments, ScopedArgumentsTable::offsetOfArguments(), Mutability::Mutable) \

macro(ScopedArgumentsTable_length, ScopedArgumentsTable::offsetOfLength(), Mutability::Mutable) \

macro(StringImpl_data, StringImpl::dataOffset(), Mutability::Immutable) \

macro(StringImpl_hashAndFlags, StringImpl::flagsOffset(), Mutability::Mutable) \

macro(StringImpl_length, StringImpl::lengthMemoryOffset(), Mutability::Immutable) \

macro(Structure_bitField, Structure::bitFieldOffset(), Mutability::Mutable) \

macro(Structure_classInfo, Structure::classInfoOffset(), Mutability::Immutable) \

macro(Structure_realm, Structure::realmOffset(), Mutability::Immutable) \

macro(Structure_indexingModeIncludingHistory, Structure::indexingModeIncludingHistoryOffset(), Mutability::Immutable) \

macro(Structure_inlineCapacity, Structure::inlineCapacityOffset(), Mutability::Immutable) \

macro(Structure_outOfLineTypeFlags, Structure::outOfLineTypeFlagsOffset(), Mutability::Immutable) \

macro(Structure_previousOrRareData, Structure::previousOrRareDataOffset(), Mutability::Mutable) \

macro(Structure_propertyHash, Structure::propertyHashOffset(), Mutability::Mutable) \

macro(Structure_prototype, Structure::prototypeOffset(), Mutability::Immutable) \

macro(Structure_seenProperties, Structure::seenPropertiesOffset(), Mutability::Mutable) \

macro(StructureRareData_cachedEnumerableStrings, StructureRareData::offsetOfCachedPropertyNames(CachedPropertyNamesKind::EnumerableStrings), Mutability::Mutable) \

macro(StructureRareData_cachedStrings, StructureRareData::offsetOfCachedPropertyNames(CachedPropertyNamesKind::Strings), Mutability::Mutable) \

macro(StructureRareData_cachedSymbols, StructureRareData::offsetOfCachedPropertyNames(CachedPropertyNamesKind::Symbols), Mutability::Mutable) \

macro(StructureRareData_cachedStringsAndSymbols, StructureRareData::offsetOfCachedPropertyNames(CachedPropertyNamesKind::StringsAndSymbols), Mutability::Mutable) \

macro(StructureRareData_cachedPropertyNameEnumeratorAndFlag, StructureRareData::offsetOfCachedPropertyNameEnumeratorAndFlag(), Mutability::Mutable) \

macro(StructureRareData_specialPropertyCache, StructureRareData::offsetOfSpecialPropertyCache(), Mutability::Mutable) \

macro(SpecialPropertyCache_cachedToStringTagValue, SpecialPropertyCache::offsetOfCache(CachedSpecialPropertyKey::ToStringTag) + SpecialPropertyCacheEntry::offsetOfValue(), Mutability::Mutable) \

macro(JSMap_storage, (JSMap::offsetOfStorage()), Mutability::Mutable) \

macro(JSSet_storage, (JSSet::offsetOfStorage()), Mutability::Mutable) \

macro(JSPromise_packed, JSPromise::offsetOfPacked(), Mutability::Mutable) \

macro(JSPromise_slot, JSPromise::offsetOfSlot(), Mutability::Mutable) \

macro(VM_heap_barrierThreshold, VM::offsetOfHeapBarrierThreshold(), Mutability::Mutable) \

macro(VM_heap_mutatorShouldBeFenced, VM::offsetOfHeapMutatorShouldBeFenced(), Mutability::Mutable) \

macro(VM_exception, VM::exceptionOffset(), Mutability::Mutable) \

macro(WatchpointSet_state, WatchpointSet::offsetOfState(), Mutability::Mutable) \

macro(WasmFuncRefTable_functions, Wasm::FuncRefTable::offsetOfFunctions(), Mutability::Mutable) \

macro(WasmFuncRefTableFunction_boxedCallee, Wasm::FuncRefTable::Function::offsetOfBoxedCallee(), Mutability::Mutable) \

macro(WasmFuncRefTableFunction_entrypointLoadLocation, Wasm::FuncRefTable::Function::offsetOfEntrypointLoadLocation(), Mutability::Mutable) \

macro(WasmFuncRefTableFunction_rtt, Wasm::FuncRefTable::Function::offsetOfRTT(), Mutability::Mutable) \

macro(WasmFuncRefTableFunction_targetInstance, Wasm::FuncRefTable::Function::offsetOfTargetInstance(), Mutability::Mutable) \

macro(WasmGlobal_value, Wasm::Global::offsetOfValue(), Mutability::Mutable) \

macro(WasmGlobal_owner, Wasm::Global::offsetOfOwner(), Mutability::Immutable) \

macro(WasmGlobalValue_owner, Wasm::Global::Value::offsetOfOwner(), Mutability::Immutable) \

macro(WasmGlobalValue_value, Wasm::Global::Value::offsetOfValue(), Mutability::Mutable) \

macro(WasmWasmCallableFunctionLocation_value, Wasm::WasmCallableFunction::offsetOfValueOfLoadLocation(), Mutability::Mutable) \

macro(WasmRTT_displaySizeExcludingThis, Wasm::RTT::offsetOfDisplaySizeExcludingThis(), Mutability::Immutable) \

macro(WasmRTT_kind, Wasm::RTT::offsetOfKind(), Mutability::Immutable) \

macro(WasmTable_length, Wasm::Table::offsetOfLength(), Mutability::Mutable) \

macro(WeakMapImpl_capacity, WeakMapImpl<WeakMapBucket<WeakMapBucketDataKey>>::offsetOfCapacity(), Mutability::Mutable) \

macro(WeakMapImpl_buffer, WeakMapImpl<WeakMapBucket<WeakMapBucketDataKey>>::offsetOfBuffer(), Mutability::Mutable) \

macro(WeakMapImpl_keyCount, WeakMapImpl<WeakMapBucket<WeakMapBucketDataKey>>::offsetOfKeyCount(), Mutability::Mutable) \

macro(WeakMapImpl_deleteCount, WeakMapImpl<WeakMapBucket<WeakMapBucketDataKey>>::offsetOfDeleteCount(), Mutability::Mutable) \

macro(WeakMapBucket_value, WeakMapBucket<WeakMapBucketDataKeyValue>::offsetOfValue(), Mutability::Mutable) \

macro(WeakMapBucket_key, WeakMapBucket<WeakMapBucketDataKeyValue>::offsetOfKey(), Mutability::Mutable) \

macro(WebAssemblyFunctionBase_boxedCallee, WebAssemblyFunctionBase::offsetOfBoxedCallee(), Mutability::Immutable) \

macro(WebAssemblyFunctionBase_entrypointLoadLocation, WebAssemblyFunctionBase::offsetOfEntrypointLoadLocation(), Mutability::Immutable) \

macro(WebAssemblyFunctionBase_rtt, WebAssemblyFunctionBase::offsetOfRTT(), Mutability::Immutable) \

macro(WebAssemblyFunctionBase_targetInstance, WebAssemblyFunctionBase::offsetOfTargetInstance(), Mutability::Immutable) \

macro(WebAssemblyGCStructure_rtt, WebAssemblyGCStructure::offsetOfRTT(), Mutability::Immutable) \

macro(WebAssemblyModuleRecord_exportsObject, WebAssemblyModuleRecord::offsetOfExportsObject(), Mutability::Mutable) \

macro(Symbol_description, Symbol::offsetOfDescription(), Mutability::Mutable) \

macro(Symbol_symbolImpl, Symbol::offsetOfSymbolImpl(), Mutability::Immutable) \

macro(Symbol_string, Symbol::offsetOfString(), Mutability::Mutable) \

#define FOR_EACH_INDEXED_ABSTRACT_HEAP(macro) \

macro(ArrayStorage_vector, ArrayStorage::vectorOffset(), sizeof(WriteBarrier<Unknown>)) \

macro(CompleteSubspace_allocatorForSizeStep, CompleteSubspace::offsetOfAllocatorForSizeStep(), sizeof(Allocator)) \

macro(DirectArguments_storage, DirectArguments::storageOffset(), sizeof(EncodedJSValue)) \

macro(JSLexicalEnvironment_variables, JSLexicalEnvironment::offsetOfVariables(), sizeof(EncodedJSValue)) \

macro(JSPropertyNameEnumerator_cachedPropertyNamesVectorContents, 0, sizeof(WriteBarrier<JSString>)) \

macro(JSInternalFieldObjectImpl_internalFields, JSInternalFieldObjectImpl<>::offsetOfInternalFields(), sizeof(WriteBarrier<Unknown>)) \

macro(ScopedArguments_Storage_storage, 0, sizeof(EncodedJSValue)) \

macro(WriteBarrierBuffer_bufferContents, 0, sizeof(JSCell*)) \

macro(characters8, 0, sizeof(Latin1Character)) \

macro(characters16, 0, sizeof(char16_t)) \

macro(indexedInt32Properties, 0, sizeof(EncodedJSValue)) \

macro(indexedDoubleProperties, 0, sizeof(double)) \

macro(indexedContiguousProperties, 0, sizeof(EncodedJSValue)) \

macro(scopedArgumentsTableArguments, 0, sizeof(int32_t)) \

macro(singleCharacterStrings, 0, sizeof(JSString*)) \

macro(structureTable, 0, sizeof(Structure*)) \

macro(variables, 0, sizeof(Register)) \

macro(HasOwnPropertyCache, 0, sizeof(HasOwnPropertyCache::Entry)) \

macro(SmallIntCache, 0, sizeof(NumericStrings::StringWithJSString)) \

macro(IntCache, 0, sizeof(NumericStrings::CacheEntryWithJSString<int>)) \

macro(WasmRTT_data, Wasm::RTT::offsetOfData(), sizeof(RefPtr<const Wasm::RTT>)) \

macro(WebAssemblyGCStructure_inlinedDisplay, WebAssemblyGCStructure::offsetOfInlinedDisplay(), sizeof(WriteBarrierStructureID)) \

#define FOR_EACH_NUMBERED_ABSTRACT_HEAP(macro) \

macro(properties) \

/* WasmGC Struct access are analyzed via field index and field type. We can include Wasm type definition to further make alias analysis better. */ \

macro(JSWebAssemblyStruct_fields) \

/* WasmGC Array access are analyzed via element index and element type. Not using IndexedAbstractHeap right now intentionally since large Wasm array has different base offset. */ \

macro(JSWebAssemblyArray_i8) \

macro(JSWebAssemblyArray_i16) \

macro(JSWebAssemblyArray_i32) \

macro(JSWebAssemblyArray_i64) \

macro(JSWebAssemblyArray_f32) \

macro(JSWebAssemblyArray_f64) \

macro(JSWebAssemblyArray_v128) \

macro(JSWebAssemblyArray_ref) \

/* Embedded WasmGlobal access are analyzed via index and element type. */ \

macro(JSWebAssemblyInstance_embeddedGlobals_i32) \

macro(JSWebAssemblyInstance_embeddedGlobals_i64) \

macro(JSWebAssemblyInstance_embeddedGlobals_f32) \

macro(JSWebAssemblyInstance_embeddedGlobals_f64) \

macro(JSWebAssemblyInstance_embeddedGlobals_v128) \

macro(JSWebAssemblyInstance_embeddedGlobals_ref) \

macro(JSWebAssemblyInstance_portableGlobals) \

/* WasmGC structure access are analyzed via type index */ \

macro(JSWebAssemblyInstance_gcObjectStructureIDs) \

macro(JSWebAssemblyInstance_importFunctionStubs) \

macro(JSWebAssemblyInstance_tables) \

// This class is meant to be cacheable between compilations, but it doesn't have to be.

// Doing so saves on creation of nodes. But clearing it will save memory.

class AbstractHeapRepository {

WTF_MAKE_NONCOPYABLE(AbstractHeapRepository);

WTF_MAKE_TZONE_ALLOCATED(AbstractHeapRepository);

public:

AbstractHeapRepository();

~AbstractHeapRepository();

AbstractHeap root;

#define ABSTRACT_HEAP_DECLARATION(name) AbstractHeap name;

FOR_EACH_ABSTRACT_HEAP(ABSTRACT_HEAP_DECLARATION)

#undef ABSTRACT_HEAP_DECLARATION

AbstractHeap& WebAssemblyMemory;

#define ABSTRACT_FIELD_DECLARATION(name, offset, mutability) AbstractHeap name;

FOR_EACH_ABSTRACT_FIELD(ABSTRACT_FIELD_DECLARATION)

#undef ABSTRACT_FIELD_DECLARATION

AbstractHeap& JSCell_freeListNext;

AbstractHeap& ArrayStorage_publicLength;

AbstractHeap& ArrayStorage_vectorLength;

#define INDEXED_ABSTRACT_HEAP_DECLARATION(name, offset, size) IndexedAbstractHeap name;

FOR_EACH_INDEXED_ABSTRACT_HEAP(INDEXED_ABSTRACT_HEAP_DECLARATION)

#undef INDEXED_ABSTRACT_HEAP_DECLARATION

#define NUMBERED_ABSTRACT_HEAP_DECLARATION(name) NumberedAbstractHeap name;

FOR_EACH_NUMBERED_ABSTRACT_HEAP(NUMBERED_ABSTRACT_HEAP_DECLARATION)

#undef NUMBERED_ABSTRACT_HEAP_DECLARATION

AbstractHeap& JSString_value;

AbstractHeap& JSWrapperObject_internalValue;

AbsoluteAbstractHeap absolute;

IndexedAbstractHeap* forIndexingType(IndexingType indexingType)

{

switch (indexingType) {

case ALL_BLANK_INDEXING_TYPES:

case ALL_UNDECIDED_INDEXING_TYPES:

return nullptr;

case ALL_INT32_INDEXING_TYPES:

return &indexedInt32Properties;

case ALL_DOUBLE_INDEXING_TYPES:

return &indexedDoubleProperties;

case ALL_CONTIGUOUS_INDEXING_TYPES:

return &indexedContiguousProperties;

case ALL_ARRAY_STORAGE_INDEXING_TYPES:

return &ArrayStorage_vector;

default:

RELEASE_ASSERT_NOT_REACHED();

return nullptr;

}

IndexedAbstractHeap& forArrayType(DFG::Array::Type type)

{

switch (type) {

case DFG::Array::Int32:

return indexedInt32Properties;

case DFG::Array::Double:

return indexedDoubleProperties;

case DFG::Array::Contiguous:

return indexedContiguousProperties;

case DFG::Array::ArrayStorage:

case DFG::Array::SlowPutArrayStorage:

return ArrayStorage_vector;

default:

RELEASE_ASSERT_NOT_REACHED();

return indexedInt32Properties;

}

void decorateMemory(const AbstractHeap*, Value*);

void decorateCCallRead(const AbstractHeap*, Value*);

void decorateCCallWrite(const AbstractHeap*, Value*);

void decoratePatchpointRead(const AbstractHeap*, Value*);

void decoratePatchpointWrite(const AbstractHeap*, Value*);

void decorateFenceRead(const AbstractHeap*, Value*);

void decorateFenceWrite(const AbstractHeap*, Value*);

void decorateFencedAccess(const AbstractHeap*, Value*);

void decorateWasmStructGet(const AbstractHeap*, Value*);

void decorateWasmStructSet(const AbstractHeap*, Value*);

void decorateWasmStructNew(const AbstractHeap*, Value*);

void decorateWasmArrayGet(const AbstractHeap*, Value*);

void decorateWasmArraySet(const AbstractHeap*, Value*);

void decorateWasmArrayNew(const AbstractHeap*, Value*);

void decorateWasmArrayLength(const AbstractHeap*, Value*);

void computeRangesAndDecorateInstructions();

private:

struct HeapForValue {

HeapForValue()

{

}

HeapForValue(const AbstractHeap* heap, Value* value)

: heap(heap)

, value(value)

{

}

const AbstractHeap* heap { nullptr };

Value* value { nullptr };

};

Vector<HeapForValue> m_heapForMemory;

Vector<HeapForValue> m_heapForCCallRead;

Vector<HeapForValue> m_heapForCCallWrite;

Vector<HeapForValue> m_heapForPatchpointRead;

Vector<HeapForValue> m_heapForPatchpointWrite;

Vector<HeapForValue> m_heapForFenceRead;

Vector<HeapForValue> m_heapForFenceWrite;

Vector<HeapForValue> m_heapForFencedAccess;

Vector<HeapForValue> m_heapForWasmStructGet;

Vector<HeapForValue> m_heapForWasmStructSet;

Vector<HeapForValue> m_heapForWasmStructNew;

Vector<HeapForValue> m_heapForWasmArrayGet;

Vector<HeapForValue> m_heapForWasmArraySet;

Vector<HeapForValue> m_heapForWasmArrayNew;

Vector<HeapForValue> m_heapForWasmArrayLength;

};

} // namespace JSC::B3

#endif // ENABLE(B3_JIT)

WebKit/Source/JavaScriptCore/b3/B3AbstractHeapRepository.h at main · WebKit/WebKit · GitHub

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