protected override DependencyList ComputeNonRelocationBasedDependencies(NodeFactory factory) { DependencyList dependencyList = base.ComputeNonRelocationBasedDependencies(factory); // Ensure that we track the necessary type symbol if we are working with a constructed type symbol. // The emitter will ensure we don't emit both, but this allows us assert that we only generate // relocs to nodes we emit. dependencyList.Add(factory.NecessaryTypeSymbol(_type), "Necessary type symbol related to CanonicalEETypeNode"); DefType closestDefType = _type.GetClosestDefType(); if (MightHaveInterfaceDispatchMap(factory)) { dependencyList.Add(factory.InterfaceDispatchMap(_type), "Canonical interface dispatch map"); } dependencyList.Add(factory.VTable(closestDefType), "VTable"); if (_type.IsCanonicalSubtype(CanonicalFormKind.Universal)) { dependencyList.Add(factory.NativeLayout.TemplateTypeLayout(_type), "Universal generic types always have template layout"); } // Track generic virtual methods that will get added to the GVM tables if (TypeGVMEntriesNode.TypeNeedsGVMTableEntries(_type)) { dependencyList.Add(new DependencyListEntry(factory.TypeGVMEntries(_type.GetTypeDefinition()), "Type with generic virtual methods")); AddDependenciesForUniversalGVMSupport(factory, _type, ref dependencyList); } // Keep track of the default constructor map dependency for this type if it has a default constructor // We only do this for reflection blocked types because dataflow analysis is responsible for // generating default constructors for Activator.CreateInstance in other cases. MethodDesc defaultCtor = closestDefType.GetDefaultConstructor(); if (defaultCtor != null && factory.MetadataManager.IsReflectionBlocked(defaultCtor)) { dependencyList.Add(new DependencyListEntry( factory.CanonicalEntrypoint(defaultCtor), "DefaultConstructorNode")); } return(dependencyList); }
protected override DependencyList ComputeNonRelocationBasedDependencies(NodeFactory factory) { DependencyList dependencyList = base.ComputeNonRelocationBasedDependencies(factory); // Ensure that we track the necessary type symbol if we are working with a constructed type symbol. // The emitter will ensure we don't emit both, but this allows us assert that we only generate // relocs to nodes we emit. dependencyList.Add(factory.NecessaryTypeSymbol(_type), "NecessaryType for constructed type"); if (_type is MetadataType mdType && mdType.Module.GetGlobalModuleType().GetStaticConstructor() is MethodDesc moduleCctor) { dependencyList.Add(factory.MethodEntrypoint(moduleCctor), "Type in a module with initializer"); } DefType closestDefType = _type.GetClosestDefType(); if (MightHaveInterfaceDispatchMap(factory)) { dependencyList.Add(factory.InterfaceDispatchMap(_type), "Interface dispatch map"); } if (_type.IsArray) { // Array MethodTable depends on System.Array's virtuals. Array EETypes don't point to // their base type (i.e. there's no reloc based dependency making this "just work"). dependencyList.Add(factory.ConstructedTypeSymbol(_type.BaseType), "Array base type"); ArrayType arrayType = (ArrayType)_type; if (arrayType.IsMdArray && arrayType.Rank == 1) { // Allocating an MDArray of Rank 1 with zero lower bounds results in allocating // an SzArray instead. Make sure the type loader can find the SzArray type. dependencyList.Add(factory.ConstructedTypeSymbol(arrayType.ElementType.MakeArrayType()), "Rank 1 array"); } } dependencyList.Add(factory.VTable(closestDefType), "VTable"); if (factory.TypeSystemContext.SupportsUniversalCanon) { foreach (var instantiationType in _type.Instantiation) { if (instantiationType.IsValueType) { // All valuetype generic parameters of a constructed type may be effectively constructed. This is generally not that // critical, but in the presence of universal generics the compiler may generate a Box followed by calls to ToString, // GetHashcode or Equals in ways that cannot otherwise be detected by dependency analysis. Thus force all struct type // generic parameters to be considered constructed when walking dependencies of a constructed generic dependencyList.Add(factory.ConstructedTypeSymbol(instantiationType.ConvertToCanonForm(CanonicalFormKind.Specific)), "Struct generic parameters in constructed types may be assumed to be used as constructed in constructed generic types"); } } } // Ask the metadata manager if we have any dependencies due to reflectability. factory.MetadataManager.GetDependenciesDueToReflectability(ref dependencyList, factory, _type); factory.InteropStubManager.AddInterestingInteropConstructedTypeDependencies(ref dependencyList, factory, _type); // Keep track of the default constructor map dependency for this type if it has a default constructor MethodDesc defaultCtor = closestDefType.GetDefaultConstructor(); if (defaultCtor != null) { dependencyList.Add(new DependencyListEntry( factory.CanonicalEntrypoint(defaultCtor), "DefaultConstructorNode")); } return(dependencyList); }
protected override DependencyList ComputeNonRelocationBasedDependencies(NodeFactory factory) { DependencyList dependencyList = base.ComputeNonRelocationBasedDependencies(factory); // Ensure that we track the necessary type symbol if we are working with a constructed type symbol. // The emitter will ensure we don't emit both, but this allows us assert that we only generate // relocs to nodes we emit. dependencyList.Add(factory.NecessaryTypeSymbol(_type), "NecessaryType for constructed type"); DefType closestDefType = _type.GetClosestDefType(); if (InterfaceDispatchMapNode.MightHaveInterfaceDispatchMap(_type, factory)) { dependencyList.Add(factory.InterfaceDispatchMap(_type), "Interface dispatch map"); } if (_type.IsArray) { // Array EEType depends on System.Array's virtuals. Array EETypes don't point to // their base type (i.e. there's no reloc based dependency making this "just work"). dependencyList.Add(factory.ConstructedTypeSymbol(_type.BaseType), "Array base type"); ArrayType arrayType = (ArrayType)_type; if (arrayType.IsMdArray && arrayType.Rank == 1) { // Allocating an MDArray of Rank 1 with zero lower bounds results in allocating // an SzArray instead. Make sure the type loader can find the SzArray type. dependencyList.Add(factory.ConstructedTypeSymbol(arrayType.ElementType.MakeArrayType()), "Rank 1 array"); } } dependencyList.Add(factory.VTable(closestDefType), "VTable"); if (closestDefType.HasInstantiation && factory.MetadataManager.SupportsReflection) { TypeDesc canonType = _type.ConvertToCanonForm(CanonicalFormKind.Specific); TypeDesc canonClosestDefType = closestDefType.ConvertToCanonForm(CanonicalFormKind.Specific); // Add a dependency on the template for this type, if the canonical type should be generated into this binary. // If the type is an array type, the check should be on its underlying Array<T> type. This is because a copy of // an array type gets placed into each module but the Array<T> type only exists in the defining module and only // one template is needed for the Array<T> type by the dynamic type loader. if (canonType.IsCanonicalSubtype(CanonicalFormKind.Any) && !factory.NecessaryTypeSymbol(canonClosestDefType).RepresentsIndirectionCell) { dependencyList.Add(factory.NativeLayout.TemplateTypeLayout(canonType), "Template Type Layout"); } } if (factory.TypeSystemContext.SupportsUniversalCanon) { foreach (var instantiationType in _type.Instantiation) { if (instantiationType.IsValueType) { // All valuetype generic parameters of a constructed type may be effectively constructed. This is generally not that // critical, but in the presence of universal generics the compiler may generate a Box followed by calls to ToString, // GetHashcode or Equals in ways that cannot otherwise be detected by dependency analysis. Thus force all struct type // generic parameters to be considered constructed when walking dependencies of a constructed generic dependencyList.Add(factory.ConstructedTypeSymbol(instantiationType.ConvertToCanonForm(CanonicalFormKind.Specific)), "Struct generic parameters in constructed types may be assumed to be used as constructed in constructed generic types"); } } } // Generated type contains generic virtual methods that will get added to the GVM tables if (TypeGVMEntriesNode.TypeNeedsGVMTableEntries(_type)) { dependencyList.Add(new DependencyListEntry(factory.TypeGVMEntries(_type), "Type with generic virtual methods")); AddDependenciesForUniversalGVMSupport(factory, _type, ref dependencyList); } if (factory.TypeSystemContext.HasLazyStaticConstructor(_type)) { // The fact that we generated an EEType means that someone can call RuntimeHelpers.RunClassConstructor. // We need to make sure this is possible. dependencyList.Add(new DependencyListEntry(factory.TypeNonGCStaticsSymbol((MetadataType)_type), "Class constructor")); } // Ask the metadata manager if we have any dependencies due to reflectability. factory.MetadataManager.GetDependenciesDueToReflectability(ref dependencyList, factory, _type); factory.InteropStubManager.AddInterestingInteropConstructedTypeDependencies(ref dependencyList, factory, _type); // Keep track of the default constructor map dependency for this type if it has a default constructor MethodDesc defaultCtor = closestDefType.GetDefaultConstructor(); if (defaultCtor != null) { dependencyList.Add(new DependencyListEntry( factory.MethodEntrypoint(defaultCtor.GetCanonMethodTarget(CanonicalFormKind.Specific), closestDefType.IsValueType), "DefaultConstructorNode")); } return(dependencyList); }