forked from dotnet/runtime
/
NodeFactory.cs
1362 lines (1103 loc) · 56.3 KB
/
NodeFactory.cs
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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Diagnostics;
using System.Text;
using ILCompiler.DependencyAnalysisFramework;
using Internal.IL;
using Internal.Runtime;
using Internal.Text;
using Internal.TypeSystem;
using Internal.TypeSystem.Ecma;
namespace ILCompiler.DependencyAnalysis
{
public abstract partial class NodeFactory
{
private TargetDetails _target;
private CompilerTypeSystemContext _context;
private CompilationModuleGroup _compilationModuleGroup;
private VTableSliceProvider _vtableSliceProvider;
private DictionaryLayoutProvider _dictionaryLayoutProvider;
protected readonly ImportedNodeProvider _importedNodeProvider;
private bool _markingComplete;
public NodeFactory(
CompilerTypeSystemContext context,
CompilationModuleGroup compilationModuleGroup,
MetadataManager metadataManager,
InteropStubManager interoptStubManager,
NameMangler nameMangler,
LazyGenericsPolicy lazyGenericsPolicy,
VTableSliceProvider vtableSliceProvider,
DictionaryLayoutProvider dictionaryLayoutProvider,
ImportedNodeProvider importedNodeProvider,
PreinitializationManager preinitializationManager)
{
_target = context.Target;
_context = context;
_compilationModuleGroup = compilationModuleGroup;
_vtableSliceProvider = vtableSliceProvider;
_dictionaryLayoutProvider = dictionaryLayoutProvider;
NameMangler = nameMangler;
InteropStubManager = interoptStubManager;
CreateNodeCaches();
MetadataManager = metadataManager;
LazyGenericsPolicy = lazyGenericsPolicy;
_importedNodeProvider = importedNodeProvider;
PreinitializationManager = preinitializationManager;
}
public void SetMarkingComplete()
{
_markingComplete = true;
}
public bool MarkingComplete => _markingComplete;
public TargetDetails Target
{
get
{
return _target;
}
}
public LazyGenericsPolicy LazyGenericsPolicy { get; }
public CompilationModuleGroup CompilationModuleGroup
{
get
{
return _compilationModuleGroup;
}
}
public CompilerTypeSystemContext TypeSystemContext
{
get
{
return _context;
}
}
public MetadataManager MetadataManager
{
get;
}
public NameMangler NameMangler
{
get;
}
public PreinitializationManager PreinitializationManager
{
get;
}
public InteropStubManager InteropStubManager
{
get;
}
// Temporary workaround that is used to disable certain features from lighting up
// in CppCodegen because they're not fully implemented yet.
public virtual bool IsCppCodegenTemporaryWorkaround
{
get { return false; }
}
/// <summary>
/// Return true if the type is not permitted by the rules of the runtime to have an MethodTable.
/// The implementation here is not intended to be complete, but represents many conditions
/// which make a type ineligible to be an MethodTable. (This function is intended for use in assertions only)
/// </summary>
private bool TypeCannotHaveEEType(TypeDesc type)
{
if (!IsCppCodegenTemporaryWorkaround && type.GetTypeDefinition() is INonEmittableType)
return true;
if (type.IsRuntimeDeterminedSubtype)
return true;
if (type.IsSignatureVariable)
return true;
if (type.IsGenericParameter)
return true;
return false;
}
protected struct NodeCache<TKey, TValue>
{
private Func<TKey, TValue> _creator;
private ConcurrentDictionary<TKey, TValue> _cache;
public NodeCache(Func<TKey, TValue> creator, IEqualityComparer<TKey> comparer)
{
_creator = creator;
_cache = new ConcurrentDictionary<TKey, TValue>(comparer);
}
public NodeCache(Func<TKey, TValue> creator)
{
_creator = creator;
_cache = new ConcurrentDictionary<TKey, TValue>();
}
public TValue GetOrAdd(TKey key)
{
return _cache.GetOrAdd(key, _creator);
}
public TValue GetOrAdd(TKey key, Func<TKey, TValue> creator)
{
return _cache.GetOrAdd(key, creator);
}
}
private void CreateNodeCaches()
{
_typeSymbols = new NecessaryTypeSymbolHashtable(this);
_constructedTypeSymbols = new ConstructedTypeSymbolHashtable(this);
_clonedTypeSymbols = new NodeCache<TypeDesc, IEETypeNode>((TypeDesc type) =>
{
// Only types that reside in other binaries should be cloned
Debug.Assert(_compilationModuleGroup.ShouldReferenceThroughImportTable(type));
return new ClonedConstructedEETypeNode(this, type);
});
_importedTypeSymbols = new NodeCache<TypeDesc, IEETypeNode>((TypeDesc type) =>
{
Debug.Assert(_compilationModuleGroup.ShouldReferenceThroughImportTable(type));
return _importedNodeProvider.ImportedEETypeNode(this, type);
});
_nonGCStatics = new NodeCache<MetadataType, ISortableSymbolNode>((MetadataType type) =>
{
if (_compilationModuleGroup.ContainsType(type) && !_compilationModuleGroup.ShouldReferenceThroughImportTable(type))
{
return new NonGCStaticsNode(type, PreinitializationManager);
}
else
{
return _importedNodeProvider.ImportedNonGCStaticNode(this, type);
}
});
_GCStatics = new NodeCache<MetadataType, ISortableSymbolNode>((MetadataType type) =>
{
if (_compilationModuleGroup.ContainsType(type) && !_compilationModuleGroup.ShouldReferenceThroughImportTable(type))
{
return new GCStaticsNode(type, PreinitializationManager);
}
else
{
return _importedNodeProvider.ImportedGCStaticNode(this, type);
}
});
_GCStaticIndirectionNodes = new NodeCache<MetadataType, EmbeddedObjectNode>((MetadataType type) =>
{
ISymbolNode gcStaticsNode = TypeGCStaticsSymbol(type);
Debug.Assert(gcStaticsNode is GCStaticsNode);
return GCStaticsRegion.NewNode((GCStaticsNode)gcStaticsNode);
});
_threadStatics = new NodeCache<MetadataType, ISymbolDefinitionNode>(CreateThreadStaticsNode);
_typeThreadStaticIndices = new NodeCache<MetadataType, TypeThreadStaticIndexNode>(type =>
{
return new TypeThreadStaticIndexNode(type);
});
_GCStaticEETypes = new NodeCache<GCPointerMap, GCStaticEETypeNode>((GCPointerMap gcMap) =>
{
return new GCStaticEETypeNode(Target, gcMap);
});
_readOnlyDataBlobs = new NodeCache<ReadOnlyDataBlobKey, BlobNode>(key =>
{
return new BlobNode(key.Name, ObjectNodeSection.ReadOnlyDataSection, key.Data, key.Alignment);
});
_fieldRvaDataBlobs = new NodeCache<Internal.TypeSystem.Ecma.EcmaField, FieldRvaDataNode>(key =>
{
return new FieldRvaDataNode(key);
});
_externSymbols = new NodeCache<string, ExternSymbolNode>((string name) =>
{
return new ExternSymbolNode(name);
});
_externIndirectSymbols = new NodeCache<string, ExternSymbolNode>((string name) =>
{
return new ExternSymbolNode(name, isIndirection: true);
});
_pInvokeModuleFixups = new NodeCache<PInvokeModuleData, PInvokeModuleFixupNode>((PInvokeModuleData moduleData) =>
{
return new PInvokeModuleFixupNode(moduleData);
});
_pInvokeMethodFixups = new NodeCache<PInvokeMethodData, PInvokeMethodFixupNode>((PInvokeMethodData methodData) =>
{
return new PInvokeMethodFixupNode(methodData);
});
_methodEntrypoints = new MethodEntrypointHashtable(this);
_unboxingStubs = new NodeCache<MethodDesc, IMethodNode>(CreateUnboxingStubNode);
_methodAssociatedData = new NodeCache<IMethodNode, MethodAssociatedDataNode>(methodNode =>
{
return new MethodAssociatedDataNode(methodNode);
});
_fatFunctionPointers = new NodeCache<MethodKey, FatFunctionPointerNode>(method =>
{
return new FatFunctionPointerNode(method.Method, method.IsUnboxingStub);
});
_gvmDependenciesNode = new NodeCache<MethodDesc, GVMDependenciesNode>(method =>
{
return new GVMDependenciesNode(method);
});
_gvmTableEntries = new NodeCache<TypeDesc, TypeGVMEntriesNode>(type =>
{
return new TypeGVMEntriesNode(type);
});
_reflectedMethods = new NodeCache<MethodDesc, ReflectedMethodNode>(method =>
{
return new ReflectedMethodNode(method);
});
_reflectedFields = new NodeCache<FieldDesc, ReflectedFieldNode>(field =>
{
return new ReflectedFieldNode(field);
});
_reflectedTypes = new NodeCache<TypeDesc, ReflectedTypeNode>(type =>
{
return new ReflectedTypeNode(type);
});
_genericStaticBaseInfos = new NodeCache<MetadataType, GenericStaticBaseInfoNode>(type =>
{
return new GenericStaticBaseInfoNode(type);
});
_objectGetTypeFlowDependencies = new NodeCache<MetadataType, ObjectGetTypeFlowDependenciesNode>(type =>
{
return new ObjectGetTypeFlowDependenciesNode(type);
});
_shadowConcreteMethods = new ShadowConcreteMethodHashtable(this);
_shadowConcreteUnboxingMethods = new NodeCache<MethodDesc, ShadowConcreteUnboxingThunkNode>(method =>
{
MethodDesc canonMethod = method.GetCanonMethodTarget(CanonicalFormKind.Specific);
return new ShadowConcreteUnboxingThunkNode(method, MethodEntrypoint(canonMethod, true));
});
_virtMethods = new VirtualMethodUseHashtable(this);
_variantMethods = new NodeCache<MethodDesc, VariantInterfaceMethodUseNode>((MethodDesc method) =>
{
// We don't need to track virtual method uses for types that have a vtable with a known layout.
// It's a waste of CPU time and memory.
Debug.Assert(!VTable(method.OwningType).HasFixedSlots);
return new VariantInterfaceMethodUseNode(method);
});
_readyToRunHelpers = new NodeCache<ReadyToRunHelperKey, ISymbolNode>(CreateReadyToRunHelperNode);
_genericReadyToRunHelpersFromDict = new NodeCache<ReadyToRunGenericHelperKey, ISymbolNode>(CreateGenericLookupFromDictionaryNode);
_genericReadyToRunHelpersFromType = new NodeCache<ReadyToRunGenericHelperKey, ISymbolNode>(CreateGenericLookupFromTypeNode);
_frozenStringNodes = new NodeCache<string, FrozenStringNode>((string data) =>
{
return new FrozenStringNode(data, Target);
});
_frozenObjectNodes = new NodeCache<SerializedFrozenObjectKey, FrozenObjectNode>(key =>
{
return new FrozenObjectNode(key.OwnerType, key.AllocationSiteId, key.SerializableObject);
});
_interfaceDispatchCells = new NodeCache<DispatchCellKey, InterfaceDispatchCellNode>(callSiteCell =>
{
return new InterfaceDispatchCellNode(callSiteCell.Target, callSiteCell.CallsiteId);
});
_interfaceDispatchMaps = new NodeCache<TypeDesc, InterfaceDispatchMapNode>((TypeDesc type) =>
{
return new InterfaceDispatchMapNode(this, type);
});
_sealedVtableNodes = new NodeCache<TypeDesc, SealedVTableNode>((TypeDesc type) =>
{
return new SealedVTableNode(type);
});
_runtimeMethodHandles = new NodeCache<MethodDesc, RuntimeMethodHandleNode>((MethodDesc method) =>
{
return new RuntimeMethodHandleNode(method);
});
_runtimeFieldHandles = new NodeCache<FieldDesc, RuntimeFieldHandleNode>((FieldDesc field) =>
{
return new RuntimeFieldHandleNode(field);
});
_dataflowAnalyzedMethods = new NodeCache<MethodILKey, DataflowAnalyzedMethodNode>((MethodILKey il) =>
{
return new DataflowAnalyzedMethodNode(il.MethodIL);
});
_embeddedTrimmingDescriptors = new NodeCache<EcmaModule, EmbeddedTrimmingDescriptorNode>((module) =>
{
return new EmbeddedTrimmingDescriptorNode(module);
});
_interfaceDispatchMapIndirectionNodes = new NodeCache<TypeDesc, EmbeddedObjectNode>((TypeDesc type) =>
{
return DispatchMapTable.NewNodeWithSymbol(InterfaceDispatchMap(type));
});
_genericCompositions = new NodeCache<GenericCompositionDetails, GenericCompositionNode>((GenericCompositionDetails details) =>
{
return new GenericCompositionNode(details);
});
_eagerCctorIndirectionNodes = new NodeCache<MethodDesc, EmbeddedObjectNode>((MethodDesc method) =>
{
Debug.Assert(method.IsStaticConstructor);
Debug.Assert(PreinitializationManager.HasEagerStaticConstructor((MetadataType)method.OwningType));
return EagerCctorTable.NewNode(MethodEntrypoint(method));
});
_delegateMarshalingDataNodes = new NodeCache<DefType, DelegateMarshallingDataNode>(type =>
{
return new DelegateMarshallingDataNode(type);
});
_structMarshalingDataNodes = new NodeCache<DefType, StructMarshallingDataNode>(type =>
{
return new StructMarshallingDataNode(type);
});
_vTableNodes = new VTableSliceHashtable(this);
_methodGenericDictionaries = new NodeCache<MethodDesc, ISortableSymbolNode>(method =>
{
if (CompilationModuleGroup.ContainsMethodDictionary(method))
{
return new MethodGenericDictionaryNode(method, this);
}
else
{
return _importedNodeProvider.ImportedMethodDictionaryNode(this, method);
}
});
_typeGenericDictionaries = new NodeCache<TypeDesc, ISortableSymbolNode>(type =>
{
if (CompilationModuleGroup.ContainsTypeDictionary(type))
{
Debug.Assert(!this.LazyGenericsPolicy.UsesLazyGenerics(type));
return new TypeGenericDictionaryNode(type, this);
}
else
{
return _importedNodeProvider.ImportedTypeDictionaryNode(this, type);
}
});
_typesWithMetadata = new NodeCache<MetadataType, TypeMetadataNode>(type =>
{
return new TypeMetadataNode(type);
});
_methodsWithMetadata = new NodeCache<MethodDesc, MethodMetadataNode>(method =>
{
return new MethodMetadataNode(method);
});
_fieldsWithMetadata = new NodeCache<FieldDesc, FieldMetadataNode>(field =>
{
return new FieldMetadataNode(field);
});
_modulesWithMetadata = new NodeCache<ModuleDesc, ModuleMetadataNode>(module =>
{
return new ModuleMetadataNode(module);
});
_customAttributesWithMetadata = new NodeCache<ReflectableCustomAttribute, CustomAttributeMetadataNode>(ca =>
{
return new CustomAttributeMetadataNode(ca);
});
_genericDictionaryLayouts = new NodeCache<TypeSystemEntity, DictionaryLayoutNode>(_dictionaryLayoutProvider.GetLayout);
_stringAllocators = new NodeCache<MethodDesc, IMethodNode>(constructor =>
{
return new StringAllocatorMethodNode(constructor);
});
NativeLayout = new NativeLayoutHelper(this);
}
protected virtual ISymbolNode CreateGenericLookupFromDictionaryNode(ReadyToRunGenericHelperKey helperKey)
{
return new ReadyToRunGenericLookupFromDictionaryNode(this, helperKey.HelperId, helperKey.Target, helperKey.DictionaryOwner);
}
protected virtual ISymbolNode CreateGenericLookupFromTypeNode(ReadyToRunGenericHelperKey helperKey)
{
return new ReadyToRunGenericLookupFromTypeNode(this, helperKey.HelperId, helperKey.Target, helperKey.DictionaryOwner);
}
private IEETypeNode CreateNecessaryTypeNode(TypeDesc type)
{
Debug.Assert(!_compilationModuleGroup.ShouldReferenceThroughImportTable(type));
if (_compilationModuleGroup.ContainsType(type))
{
if (type.IsGenericDefinition)
{
return new GenericDefinitionEETypeNode(this, type);
}
else if (type.IsCanonicalDefinitionType(CanonicalFormKind.Any))
{
return new CanonicalDefinitionEETypeNode(this, type);
}
else if (type.IsCanonicalSubtype(CanonicalFormKind.Any))
{
return new NecessaryCanonicalEETypeNode(this, type);
}
else
{
return new EETypeNode(this, type);
}
}
else
{
return new ExternEETypeSymbolNode(this, type);
}
}
private IEETypeNode CreateConstructedTypeNode(TypeDesc type)
{
// Canonical definition types are *not* constructed types (call NecessaryTypeSymbol to get them)
Debug.Assert(!type.IsCanonicalDefinitionType(CanonicalFormKind.Any));
Debug.Assert(!_compilationModuleGroup.ShouldReferenceThroughImportTable(type));
if (_compilationModuleGroup.ContainsType(type))
{
if (type.IsCanonicalSubtype(CanonicalFormKind.Any))
{
return new CanonicalEETypeNode(this, type);
}
else
{
return new ConstructedEETypeNode(this, type);
}
}
else
{
return new ExternEETypeSymbolNode(this, type);
}
}
protected abstract IMethodNode CreateMethodEntrypointNode(MethodDesc method);
protected abstract IMethodNode CreateUnboxingStubNode(MethodDesc method);
protected abstract ISymbolNode CreateReadyToRunHelperNode(ReadyToRunHelperKey helperCall);
protected virtual ISymbolDefinitionNode CreateThreadStaticsNode(MetadataType type)
{
return new ThreadStaticsNode(type, this);
}
private abstract class TypeSymbolHashtable : LockFreeReaderHashtable<TypeDesc, IEETypeNode>
{
protected readonly NodeFactory _factory;
public TypeSymbolHashtable(NodeFactory factory) => _factory = factory;
protected override bool CompareKeyToValue(TypeDesc key, IEETypeNode value) => key == value.Type;
protected override bool CompareValueToValue(IEETypeNode value1, IEETypeNode value2) => value1.Type == value2.Type;
protected override int GetKeyHashCode(TypeDesc key) => key.GetHashCode();
protected override int GetValueHashCode(IEETypeNode value) => value.Type.GetHashCode();
}
private sealed class NecessaryTypeSymbolHashtable : TypeSymbolHashtable
{
public NecessaryTypeSymbolHashtable(NodeFactory factory) : base(factory) { }
protected override IEETypeNode CreateValueFromKey(TypeDesc key) => _factory.CreateNecessaryTypeNode(key);
}
private NecessaryTypeSymbolHashtable _typeSymbols;
public IEETypeNode NecessaryTypeSymbol(TypeDesc type)
{
if (_compilationModuleGroup.ShouldReferenceThroughImportTable(type))
{
return ImportedEETypeSymbol(type);
}
if (_compilationModuleGroup.ShouldPromoteToFullType(type))
{
return ConstructedTypeSymbol(type);
}
Debug.Assert(!TypeCannotHaveEEType(type));
return _typeSymbols.GetOrCreateValue(type);
}
private sealed class ConstructedTypeSymbolHashtable : TypeSymbolHashtable
{
public ConstructedTypeSymbolHashtable(NodeFactory factory) : base(factory) { }
protected override IEETypeNode CreateValueFromKey(TypeDesc key) => _factory.CreateConstructedTypeNode(key);
}
private ConstructedTypeSymbolHashtable _constructedTypeSymbols;
public IEETypeNode ConstructedTypeSymbol(TypeDesc type)
{
if (_compilationModuleGroup.ShouldReferenceThroughImportTable(type))
{
return ImportedEETypeSymbol(type);
}
Debug.Assert(!TypeCannotHaveEEType(type));
return _constructedTypeSymbols.GetOrCreateValue(type);
}
private NodeCache<TypeDesc, IEETypeNode> _clonedTypeSymbols;
public IEETypeNode MaximallyConstructableType(TypeDesc type)
{
if (ConstructedEETypeNode.CreationAllowed(type))
return ConstructedTypeSymbol(type);
else
return NecessaryTypeSymbol(type);
}
public IEETypeNode ConstructedClonedTypeSymbol(TypeDesc type)
{
Debug.Assert(!TypeCannotHaveEEType(type));
return _clonedTypeSymbols.GetOrAdd(type);
}
private NodeCache<TypeDesc, IEETypeNode> _importedTypeSymbols;
private IEETypeNode ImportedEETypeSymbol(TypeDesc type)
{
Debug.Assert(_compilationModuleGroup.ShouldReferenceThroughImportTable(type));
return _importedTypeSymbols.GetOrAdd(type);
}
private NodeCache<MetadataType, ISortableSymbolNode> _nonGCStatics;
public ISortableSymbolNode TypeNonGCStaticsSymbol(MetadataType type)
{
Debug.Assert(!TypeCannotHaveEEType(type));
return _nonGCStatics.GetOrAdd(type);
}
private NodeCache<MetadataType, ISortableSymbolNode> _GCStatics;
public ISortableSymbolNode TypeGCStaticsSymbol(MetadataType type)
{
Debug.Assert(!TypeCannotHaveEEType(type));
return _GCStatics.GetOrAdd(type);
}
private NodeCache<MetadataType, EmbeddedObjectNode> _GCStaticIndirectionNodes;
public EmbeddedObjectNode GCStaticIndirection(MetadataType type)
{
return _GCStaticIndirectionNodes.GetOrAdd(type);
}
private NodeCache<MetadataType, ISymbolDefinitionNode> _threadStatics;
public ISymbolDefinitionNode TypeThreadStaticsSymbol(MetadataType type)
{
// This node is always used in the context of its index within the region.
// We should never ask for this if the current compilation doesn't contain the
// associated type.
Debug.Assert(_compilationModuleGroup.ContainsType(type));
return _threadStatics.GetOrAdd(type);
}
private NodeCache<MetadataType, TypeThreadStaticIndexNode> _typeThreadStaticIndices;
public ISortableSymbolNode TypeThreadStaticIndex(MetadataType type)
{
if (_compilationModuleGroup.ContainsType(type))
{
return _typeThreadStaticIndices.GetOrAdd(type);
}
else
{
return ExternSymbol(NameMangler.NodeMangler.ThreadStaticsIndex(type));
}
}
private NodeCache<DispatchCellKey, InterfaceDispatchCellNode> _interfaceDispatchCells;
public InterfaceDispatchCellNode InterfaceDispatchCell(MethodDesc method, ISortableSymbolNode callSite = null)
{
return _interfaceDispatchCells.GetOrAdd(new DispatchCellKey(method, callSite));
}
private NodeCache<MethodDesc, RuntimeMethodHandleNode> _runtimeMethodHandles;
public RuntimeMethodHandleNode RuntimeMethodHandle(MethodDesc method)
{
return _runtimeMethodHandles.GetOrAdd(method);
}
private NodeCache<FieldDesc, RuntimeFieldHandleNode> _runtimeFieldHandles;
public RuntimeFieldHandleNode RuntimeFieldHandle(FieldDesc field)
{
return _runtimeFieldHandles.GetOrAdd(field);
}
private NodeCache<MethodILKey, DataflowAnalyzedMethodNode> _dataflowAnalyzedMethods;
public DataflowAnalyzedMethodNode DataflowAnalyzedMethod(MethodIL methodIL)
{
return _dataflowAnalyzedMethods.GetOrAdd(new MethodILKey(methodIL));
}
private NodeCache<EcmaModule, EmbeddedTrimmingDescriptorNode> _embeddedTrimmingDescriptors;
public EmbeddedTrimmingDescriptorNode EmbeddedTrimmingDescriptor(EcmaModule module)
{
return _embeddedTrimmingDescriptors.GetOrAdd(module);
}
private NodeCache<GCPointerMap, GCStaticEETypeNode> _GCStaticEETypes;
public ISymbolNode GCStaticEEType(GCPointerMap gcMap)
{
return _GCStaticEETypes.GetOrAdd(gcMap);
}
private NodeCache<ReadOnlyDataBlobKey, BlobNode> _readOnlyDataBlobs;
public BlobNode ReadOnlyDataBlob(Utf8String name, byte[] blobData, int alignment)
{
return _readOnlyDataBlobs.GetOrAdd(new ReadOnlyDataBlobKey(name, blobData, alignment));
}
private NodeCache<Internal.TypeSystem.Ecma.EcmaField, FieldRvaDataNode> _fieldRvaDataBlobs;
public ISymbolNode FieldRvaData(Internal.TypeSystem.Ecma.EcmaField field)
{
return _fieldRvaDataBlobs.GetOrAdd(field);
}
private NodeCache<TypeDesc, SealedVTableNode> _sealedVtableNodes;
internal SealedVTableNode SealedVTable(TypeDesc type)
{
return _sealedVtableNodes.GetOrAdd(type);
}
private NodeCache<TypeDesc, InterfaceDispatchMapNode> _interfaceDispatchMaps;
internal InterfaceDispatchMapNode InterfaceDispatchMap(TypeDesc type)
{
return _interfaceDispatchMaps.GetOrAdd(type);
}
private NodeCache<TypeDesc, EmbeddedObjectNode> _interfaceDispatchMapIndirectionNodes;
public EmbeddedObjectNode InterfaceDispatchMapIndirection(TypeDesc type)
{
return _interfaceDispatchMapIndirectionNodes.GetOrAdd(type);
}
private NodeCache<GenericCompositionDetails, GenericCompositionNode> _genericCompositions;
internal ISymbolNode GenericComposition(GenericCompositionDetails details)
{
return _genericCompositions.GetOrAdd(details);
}
private NodeCache<string, ExternSymbolNode> _externSymbols;
public ISortableSymbolNode ExternSymbol(string name)
{
return _externSymbols.GetOrAdd(name);
}
private NodeCache<string, ExternSymbolNode> _externIndirectSymbols;
public ISortableSymbolNode ExternIndirectSymbol(string name)
{
return _externIndirectSymbols.GetOrAdd(name);
}
private NodeCache<PInvokeModuleData, PInvokeModuleFixupNode> _pInvokeModuleFixups;
public ISymbolNode PInvokeModuleFixup(PInvokeModuleData moduleData)
{
return _pInvokeModuleFixups.GetOrAdd(moduleData);
}
private NodeCache<PInvokeMethodData, PInvokeMethodFixupNode> _pInvokeMethodFixups;
public PInvokeMethodFixupNode PInvokeMethodFixup(PInvokeMethodData methodData)
{
return _pInvokeMethodFixups.GetOrAdd(methodData);
}
private sealed class VTableSliceHashtable : LockFreeReaderHashtable<TypeDesc, VTableSliceNode>
{
private readonly NodeFactory _factory;
public VTableSliceHashtable(NodeFactory factory) => _factory = factory;
protected override bool CompareKeyToValue(TypeDesc key, VTableSliceNode value) => key == value.Type;
protected override bool CompareValueToValue(VTableSliceNode value1, VTableSliceNode value2) => value1.Type == value2.Type;
protected override VTableSliceNode CreateValueFromKey(TypeDesc key)
{
if (_factory.CompilationModuleGroup.ShouldProduceFullVTable(key))
return new EagerlyBuiltVTableSliceNode(key);
else
return _factory._vtableSliceProvider.GetSlice(key);
}
protected override int GetKeyHashCode(TypeDesc key) => key.GetHashCode();
protected override int GetValueHashCode(VTableSliceNode value) => value.Type.GetHashCode();
}
private VTableSliceHashtable _vTableNodes;
public VTableSliceNode VTable(TypeDesc type)
{
return _vTableNodes.GetOrCreateValue(type);
}
private NodeCache<MethodDesc, ISortableSymbolNode> _methodGenericDictionaries;
public ISortableSymbolNode MethodGenericDictionary(MethodDesc method)
{
return _methodGenericDictionaries.GetOrAdd(method);
}
private NodeCache<TypeDesc, ISortableSymbolNode> _typeGenericDictionaries;
public ISortableSymbolNode TypeGenericDictionary(TypeDesc type)
{
return _typeGenericDictionaries.GetOrAdd(type);
}
private NodeCache<TypeSystemEntity, DictionaryLayoutNode> _genericDictionaryLayouts;
public DictionaryLayoutNode GenericDictionaryLayout(TypeSystemEntity methodOrType)
{
return _genericDictionaryLayouts.GetOrAdd(methodOrType);
}
private NodeCache<MethodDesc, IMethodNode> _stringAllocators;
public IMethodNode StringAllocator(MethodDesc stringConstructor)
{
return _stringAllocators.GetOrAdd(stringConstructor);
}
private sealed class MethodEntrypointHashtable : LockFreeReaderHashtable<MethodDesc, IMethodNode>
{
private readonly NodeFactory _factory;
public MethodEntrypointHashtable(NodeFactory factory) => _factory = factory;
protected override bool CompareKeyToValue(MethodDesc key, IMethodNode value) => key == value.Method;
protected override bool CompareValueToValue(IMethodNode value1, IMethodNode value2) => value1.Method == value2.Method;
protected override IMethodNode CreateValueFromKey(MethodDesc key) => _factory.CreateMethodEntrypointNode(key);
protected override int GetKeyHashCode(MethodDesc key) => key.GetHashCode();
protected override int GetValueHashCode(IMethodNode value) => value.Method.GetHashCode();
}
private MethodEntrypointHashtable _methodEntrypoints;
private NodeCache<MethodDesc, IMethodNode> _unboxingStubs;
private NodeCache<IMethodNode, MethodAssociatedDataNode> _methodAssociatedData;
public IMethodNode MethodEntrypoint(MethodDesc method, bool unboxingStub = false)
{
if (unboxingStub)
{
return _unboxingStubs.GetOrAdd(method);
}
return _methodEntrypoints.GetOrCreateValue(method);
}
public MethodAssociatedDataNode MethodAssociatedData(IMethodNode methodNode)
{
return _methodAssociatedData.GetOrAdd(methodNode);
}
private NodeCache<MethodKey, FatFunctionPointerNode> _fatFunctionPointers;
public IMethodNode FatFunctionPointer(MethodDesc method, bool isUnboxingStub = false)
{
return _fatFunctionPointers.GetOrAdd(new MethodKey(method, isUnboxingStub));
}
public IMethodNode ExactCallableAddress(MethodDesc method, bool isUnboxingStub = false)
{
MethodDesc canonMethod = method.GetCanonMethodTarget(CanonicalFormKind.Specific);
if (method != canonMethod)
return FatFunctionPointer(method, isUnboxingStub);
else
return MethodEntrypoint(method, isUnboxingStub);
}
public IMethodNode CanonicalEntrypoint(MethodDesc method, bool isUnboxingStub = false)
{
MethodDesc canonMethod = method.GetCanonMethodTarget(CanonicalFormKind.Specific);
if (method != canonMethod)
return ShadowConcreteMethod(method, isUnboxingStub);
else
return MethodEntrypoint(method, isUnboxingStub);
}
private NodeCache<MethodDesc, GVMDependenciesNode> _gvmDependenciesNode;
public GVMDependenciesNode GVMDependencies(MethodDesc method)
{
return _gvmDependenciesNode.GetOrAdd(method);
}
private NodeCache<TypeDesc, TypeGVMEntriesNode> _gvmTableEntries;
internal TypeGVMEntriesNode TypeGVMEntries(TypeDesc type)
{
return _gvmTableEntries.GetOrAdd(type);
}
private NodeCache<MethodDesc, ReflectedMethodNode> _reflectedMethods;
public ReflectedMethodNode ReflectedMethod(MethodDesc method)
{
return _reflectedMethods.GetOrAdd(method);
}
private NodeCache<FieldDesc, ReflectedFieldNode> _reflectedFields;
public ReflectedFieldNode ReflectedField(FieldDesc field)
{
return _reflectedFields.GetOrAdd(field);
}
private NodeCache<TypeDesc, ReflectedTypeNode> _reflectedTypes;
public ReflectedTypeNode ReflectedType(TypeDesc type)
{
return _reflectedTypes.GetOrAdd(type);
}
private NodeCache<MetadataType, GenericStaticBaseInfoNode> _genericStaticBaseInfos;
internal GenericStaticBaseInfoNode GenericStaticBaseInfo(MetadataType type)
{
return _genericStaticBaseInfos.GetOrAdd(type);
}
private NodeCache<MetadataType, ObjectGetTypeFlowDependenciesNode> _objectGetTypeFlowDependencies;
internal ObjectGetTypeFlowDependenciesNode ObjectGetTypeFlowDependencies(MetadataType type)
{
return _objectGetTypeFlowDependencies.GetOrAdd(type);
}
private sealed class ShadowConcreteMethodHashtable : LockFreeReaderHashtable<MethodDesc, ShadowConcreteMethodNode>
{
private readonly NodeFactory _factory;
public ShadowConcreteMethodHashtable(NodeFactory factory) => _factory = factory;
protected override bool CompareKeyToValue(MethodDesc key, ShadowConcreteMethodNode value) => key == value.Method;
protected override bool CompareValueToValue(ShadowConcreteMethodNode value1, ShadowConcreteMethodNode value2) => value1.Method == value2.Method;
protected override ShadowConcreteMethodNode CreateValueFromKey(MethodDesc key) =>
new ShadowConcreteMethodNode(key, _factory.MethodEntrypoint(key.GetCanonMethodTarget(CanonicalFormKind.Specific)));
protected override int GetKeyHashCode(MethodDesc key) => key.GetHashCode();
protected override int GetValueHashCode(ShadowConcreteMethodNode value) => value.Method.GetHashCode();
}
private ShadowConcreteMethodHashtable _shadowConcreteMethods;
private NodeCache<MethodDesc, ShadowConcreteUnboxingThunkNode> _shadowConcreteUnboxingMethods;
public IMethodNode ShadowConcreteMethod(MethodDesc method, bool isUnboxingStub = false)
{
if (isUnboxingStub)
return _shadowConcreteUnboxingMethods.GetOrAdd(method);
else
return _shadowConcreteMethods.GetOrCreateValue(method);
}
private static readonly string[][] s_helperEntrypointNames = new string[][] {
new string[] { "System.Runtime.CompilerServices", "ClassConstructorRunner", "CheckStaticClassConstructionReturnGCStaticBase" },
new string[] { "System.Runtime.CompilerServices", "ClassConstructorRunner", "CheckStaticClassConstructionReturnNonGCStaticBase" },
new string[] { "System.Runtime.CompilerServices", "ClassConstructorRunner", "CheckStaticClassConstructionReturnThreadStaticBase" },
new string[] { "Internal.Runtime", "ThreadStatics", "GetThreadStaticBaseForType" }
};
private ISymbolNode[] _helperEntrypointSymbols;
public ISymbolNode HelperEntrypoint(HelperEntrypoint entrypoint)
{
_helperEntrypointSymbols ??= new ISymbolNode[s_helperEntrypointNames.Length];
int index = (int)entrypoint;
ISymbolNode symbol = _helperEntrypointSymbols[index];
if (symbol == null)
{
var entry = s_helperEntrypointNames[index];
var type = _context.SystemModule.GetKnownType(entry[0], entry[1]);
var method = type.GetKnownMethod(entry[2], null);
symbol = MethodEntrypoint(method);
_helperEntrypointSymbols[index] = symbol;
}
return symbol;
}
private MetadataType _systemArrayOfTClass;
public MetadataType ArrayOfTClass
{
get
{
_systemArrayOfTClass ??= _systemArrayOfTClass = _context.SystemModule.GetKnownType("System", "Array`1");
return _systemArrayOfTClass;
}
}
private TypeDesc _systemArrayOfTEnumeratorType;
public TypeDesc ArrayOfTEnumeratorType
{
get
{
_systemArrayOfTEnumeratorType ??= _systemArrayOfTEnumeratorType = ArrayOfTClass.GetNestedType("ArrayEnumerator");
return _systemArrayOfTEnumeratorType;
}
}
private MethodDesc _instanceMethodRemovedHelper;
public MethodDesc InstanceMethodRemovedHelper
{
get
{
// This helper is optional, but it's fine for this cache to be ineffective if that happens.
// Those scenarios are rare and typically deal with small compilations.
_instanceMethodRemovedHelper ??= TypeSystemContext.GetOptionalHelperEntryPoint("ThrowHelpers", "ThrowInstanceBodyRemoved");
return _instanceMethodRemovedHelper;