public override IEnumerable <DependencyListEntry> GetStaticDependencies(NodeFactory context)
{
// TODO: https://github.com/dotnet/corert/issues/3224
// Reflection invoke stub handling is here because in the current reflection model we reflection-enable
// all methods that are compiled. Ideally the list of reflection enabled methods should be known before
// we even start the compilation process (with the invocation stubs being compilation roots like any other).
// The existing model has it's problems: e.g. the invocability of the method depends on inliner decisions.
if (context.MetadataManager.IsReflectionInvokable(_method) && _method.IsAbstract)
{
DependencyList dependencies = new DependencyList();
if (context.MetadataManager.HasReflectionInvokeStubForInvokableMethod(_method) && !_method.IsCanonicalMethod(CanonicalFormKind.Any))
{
MethodDesc invokeStub = context.MetadataManager.GetReflectionInvokeStub(_method);
MethodDesc canonInvokeStub = invokeStub.GetCanonMethodTarget(CanonicalFormKind.Specific);
if (invokeStub != canonInvokeStub)
{
dependencies.Add(new DependencyListEntry(context.MetadataManager.DynamicInvokeTemplateData, "Reflection invoke template data"));
context.MetadataManager.DynamicInvokeTemplateData.AddDependenciesDueToInvokeTemplatePresence(ref dependencies, context, canonInvokeStub);
}
else
{
dependencies.Add(new DependencyListEntry(context.MethodEntrypoint(invokeStub), "Reflection invoke"));
}
}
dependencies.AddRange(ReflectionVirtualInvokeMapNode.GetVirtualInvokeMapDependencies(context, _method));
return(dependencies);
}
return(Array.Empty <DependencyListEntry>());
}
public static void AddDependenciesDueToReflectability(ref DependencyList dependencies, NodeFactory factory, MethodDesc method)
{
if (factory.MetadataManager.IsReflectionInvokable(method))
{
if (dependencies == null)
{
dependencies = new DependencyList();
}
dependencies.Add(factory.MaximallyConstructableType(method.OwningType), "Reflection invoke");
if (factory.MetadataManager.HasReflectionInvokeStubForInvokableMethod(method) &&
((factory.Target.Abi != TargetAbi.ProjectN) || ProjectNDependencyBehavior.EnableFullAnalysis || !method.IsCanonicalMethod(CanonicalFormKind.Any)))
{
MethodDesc canonInvokeStub = factory.MetadataManager.GetCanonicalReflectionInvokeStub(method);
if (canonInvokeStub.IsSharedByGenericInstantiations)
{
dependencies.Add(new DependencyListEntry(factory.MetadataManager.DynamicInvokeTemplateData, "Reflection invoke template data"));
factory.MetadataManager.DynamicInvokeTemplateData.AddDependenciesDueToInvokeTemplatePresence(ref dependencies, factory, canonInvokeStub);
}
else
{
dependencies.Add(new DependencyListEntry(factory.MethodEntrypoint(canonInvokeStub), "Reflection invoke"));
}
}
bool skipUnboxingStubDependency = false;
if ((factory.Target.Abi == TargetAbi.ProjectN) && !ProjectNDependencyBehavior.EnableFullAnalysis)
{
// ProjectN compilation currently computes the presence of these stubs independent from dependency analysis here
// TODO: fix that issue and remove this odd treatment of unboxing stubs
if (!method.HasInstantiation && method.OwningType.IsValueType && method.OwningType.IsCanonicalSubtype(CanonicalFormKind.Any) && !method.Signature.IsStatic)
{
skipUnboxingStubDependency = true;
}
}
if (method.OwningType.IsValueType && !method.Signature.IsStatic && !skipUnboxingStubDependency)
{
dependencies.Add(new DependencyListEntry(factory.ExactCallableAddress(method, isUnboxingStub: true), "Reflection unboxing stub"));
}
// If the method is defined in a different module than this one, a metadata token isn't known for performing the reference
// Use a name/sig reference instead.
if (!factory.MetadataManager.WillUseMetadataTokenToReferenceMethod(method))
{
dependencies.Add(new DependencyListEntry(factory.NativeLayout.PlacedSignatureVertex(factory.NativeLayout.MethodNameAndSignatureVertex(method.GetTypicalMethodDefinition())),
"Non metadata-local method reference"));
}
if (method.HasInstantiation && method.IsCanonicalMethod(CanonicalFormKind.Universal))
{
dependencies.Add(new DependencyListEntry(factory.NativeLayout.PlacedSignatureVertex(factory.NativeLayout.MethodNameAndSignatureVertex(method)),
"UniversalCanon signature of method"));
}
ReflectionVirtualInvokeMapNode.GetVirtualInvokeMapDependencies(ref dependencies, factory, method);
}
}
public static void AddDependenciesDueToReflectability(ref DependencyList dependencies, NodeFactory factory, MethodDesc method)
{
Debug.Assert(factory.MetadataManager.IsReflectionInvokable(method));
if (dependencies == null)
{
dependencies = new DependencyList();
}
dependencies.Add(factory.MaximallyConstructableType(method.OwningType), "Reflection invoke");
if (factory.MetadataManager.HasReflectionInvokeStubForInvokableMethod(method))
{
MethodDesc canonInvokeStub = factory.MetadataManager.GetCanonicalReflectionInvokeStub(method);
if (canonInvokeStub.IsSharedByGenericInstantiations)
{
dependencies.Add(new DependencyListEntry(factory.DynamicInvokeTemplate(canonInvokeStub), "Reflection invoke"));
}
else
{
dependencies.Add(new DependencyListEntry(factory.MethodEntrypoint(canonInvokeStub), "Reflection invoke"));
}
}
if (method.OwningType.IsValueType && !method.Signature.IsStatic)
{
dependencies.Add(new DependencyListEntry(factory.ExactCallableAddress(method, isUnboxingStub: true), "Reflection unboxing stub"));
}
// If the method is defined in a different module than this one, a metadata token isn't known for performing the reference
// Use a name/sig reference instead.
if (!factory.MetadataManager.WillUseMetadataTokenToReferenceMethod(method))
{
dependencies.Add(new DependencyListEntry(factory.NativeLayout.PlacedSignatureVertex(factory.NativeLayout.MethodNameAndSignatureVertex(method.GetTypicalMethodDefinition())),
"Non metadata-local method reference"));
}
if (method.HasInstantiation)
{
bool useUnboxingStub = method.OwningType.IsValueType && !method.Signature.IsStatic;
if (method.IsCanonicalMethod(CanonicalFormKind.Universal))
{
dependencies.Add(new DependencyListEntry(factory.NativeLayout.PlacedSignatureVertex(factory.NativeLayout.MethodNameAndSignatureVertex(method)),
"UniversalCanon signature of method"));
}
else if (!method.GetCanonMethodTarget(CanonicalFormKind.Specific).RequiresInstArg() || method.IsAbstract)
{
foreach (var instArg in method.Instantiation)
{
dependencies.Add(factory.NecessaryTypeSymbol(instArg), "Reflectable generic method inst arg");
}
}
}
ReflectionVirtualInvokeMapNode.GetVirtualInvokeMapDependencies(ref dependencies, factory, method);
}
public override IEnumerable <DependencyListEntry> GetStaticDependencies(NodeFactory factory)
{
List <DependencyListEntry> dependencies = new List <DependencyListEntry>();
// Reflection invoke stub handling is here because in the current reflection model we reflection-enable
// all methods that are compiled. Ideally the list of reflection enabled methods should be known before
// we even start the compilation process (with the invocation stubs being compilation roots like any other).
// The existing model has it's problems: e.g. the invocability of the method depends on inliner decisions.
if (factory.MetadataManager.IsReflectionInvokable(_decl) && _decl.IsAbstract)
{
if (factory.MetadataManager.HasReflectionInvokeStubForInvokableMethod(_decl) && !_decl.IsCanonicalMethod(CanonicalFormKind.Any))
{
MethodDesc invokeStub = factory.MetadataManager.GetReflectionInvokeStub(_decl);
MethodDesc canonInvokeStub = invokeStub.GetCanonMethodTarget(CanonicalFormKind.Specific);
if (invokeStub != canonInvokeStub)
{
dependencies.Add(new DependencyListEntry(factory.FatFunctionPointer(invokeStub), "Reflection invoke"));
}
else
{
dependencies.Add(new DependencyListEntry(factory.MethodEntrypoint(invokeStub), "Reflection invoke"));
}
}
dependencies.AddRange(ReflectionVirtualInvokeMapNode.GetVirtualInvokeMapDependencies(factory, _decl));
}
MethodDesc canonDecl = _decl.GetCanonMethodTarget(CanonicalFormKind.Specific);
if (canonDecl != _decl)
{
dependencies.Add(new DependencyListEntry(factory.VirtualMethodUse(canonDecl), "Canonical method"));
}
dependencies.Add(new DependencyListEntry(factory.VTable(_decl.OwningType), "VTable of a VirtualMethodUse"));
return(dependencies);
}
public override ObjectData GetData(NodeFactory factory, bool relocsOnly = false)
{
// This node does not trigger generation of other nodes.
if (relocsOnly)
{
return(new ObjectData(Array.Empty <byte>(), Array.Empty <Relocation>(), 1, new ISymbolDefinitionNode[] { this }));
}
// Ensure the native layout blob has been saved
factory.MetadataManager.NativeLayoutInfo.SaveNativeLayoutInfoWriter(factory);
var writer = new NativeWriter();
var typeMapHashTable = new VertexHashtable();
Section hashTableSection = writer.NewSection();
hashTableSection.Place(typeMapHashTable);
// Get a list of all methods that have a method body and metadata from the metadata manager.
foreach (var mappingEntry in factory.MetadataManager.GetMethodMapping(factory))
{
MethodDesc method = mappingEntry.Entity;
// The current format requires us to have an EEType for the owning type. We might want to lift this.
if (!factory.MetadataManager.TypeGeneratesEEType(method.OwningType))
{
continue;
}
// We have a method body, we have a metadata token, but we can't get an invoke stub. Bail.
if (!factory.MetadataManager.IsReflectionInvokable(method))
{
continue;
}
InvokeTableFlags flags = 0;
if (method.HasInstantiation)
{
flags |= InvokeTableFlags.IsGenericMethod;
}
if (method.GetCanonMethodTarget(CanonicalFormKind.Specific).RequiresInstArg())
{
flags |= InvokeTableFlags.RequiresInstArg;
}
if (method.IsDefaultConstructor)
{
flags |= InvokeTableFlags.IsDefaultConstructor;
}
if (ReflectionVirtualInvokeMapNode.NeedsVirtualInvokeInfo(method))
{
flags |= InvokeTableFlags.HasVirtualInvoke;
}
if (!method.IsAbstract)
{
flags |= InvokeTableFlags.HasEntrypoint;
}
if (mappingEntry.MetadataHandle != 0)
{
flags |= InvokeTableFlags.HasMetadataHandle;
}
if (!factory.MetadataManager.HasReflectionInvokeStubForInvokableMethod(method))
{
flags |= InvokeTableFlags.NeedsParameterInterpretation;
}
if (method.IsCanonicalMethod(CanonicalFormKind.Universal))
{
flags |= InvokeTableFlags.IsUniversalCanonicalEntry;
}
// TODO: native signature for P/Invokes and NativeCallable methods
if (method.IsRawPInvoke() || method.IsNativeCallable)
{
continue;
}
// Grammar of an entry in the hash table:
// Flags + DeclaringType + MetadataHandle/NameAndSig + Entrypoint + DynamicInvokeMethod + [NumGenericArgs + GenericArgs]
Vertex vertex = writer.GetUnsignedConstant((uint)flags);
if ((flags & InvokeTableFlags.HasMetadataHandle) != 0)
{
// Only store the offset portion of the metadata handle to get better integer compression
vertex = writer.GetTuple(vertex,
writer.GetUnsignedConstant((uint)(mappingEntry.MetadataHandle & MetadataManager.MetadataOffsetMask)));
}
else
{
var nameAndSig = factory.NativeLayout.PlacedSignatureVertex(factory.NativeLayout.MethodNameAndSignatureVertex(method.GetTypicalMethodDefinition()));
vertex = writer.GetTuple(vertex, writer.GetUnsignedConstant((uint)nameAndSig.SavedVertex.VertexOffset));
}
// Go with a necessary type symbol. It will be upgraded to a constructed one if a constructed was emitted.
IEETypeNode owningTypeSymbol = factory.NecessaryTypeSymbol(method.OwningType);
vertex = writer.GetTuple(vertex,
writer.GetUnsignedConstant(_externalReferences.GetIndex(owningTypeSymbol)));
if ((flags & InvokeTableFlags.HasEntrypoint) != 0)
{
bool useUnboxingStub = method.OwningType.IsValueType && !method.Signature.IsStatic;
vertex = writer.GetTuple(vertex,
writer.GetUnsignedConstant(_externalReferences.GetIndex(
factory.MethodEntrypoint(method.GetCanonMethodTarget(CanonicalFormKind.Specific), useUnboxingStub))));
}
if ((flags & InvokeTableFlags.NeedsParameterInterpretation) == 0)
{
MethodDesc canonInvokeStubMethod = factory.MetadataManager.GetCanonicalReflectionInvokeStub(method);
if (canonInvokeStubMethod.IsSharedByGenericInstantiations)
{
vertex = writer.GetTuple(vertex,
writer.GetUnsignedConstant(((uint)factory.MetadataManager.DynamicInvokeTemplateData.GetIdForMethod(canonInvokeStubMethod) << 1) | 1));
}
else
{
vertex = writer.GetTuple(vertex,
writer.GetUnsignedConstant(_externalReferences.GetIndex(factory.MethodEntrypoint(canonInvokeStubMethod)) << 1));
}
}
if ((flags & InvokeTableFlags.IsGenericMethod) != 0)
{
if ((flags & InvokeTableFlags.IsUniversalCanonicalEntry) != 0)
{
var nameAndSigGenericMethod = factory.NativeLayout.PlacedSignatureVertex(factory.NativeLayout.MethodNameAndSignatureVertex(method));
vertex = writer.GetTuple(vertex, writer.GetUnsignedConstant((uint)nameAndSigGenericMethod.SavedVertex.VertexOffset));
}
else if ((flags & InvokeTableFlags.RequiresInstArg) == 0 || (flags & InvokeTableFlags.HasEntrypoint) == 0)
{
VertexSequence args = new VertexSequence();
for (int i = 0; i < method.Instantiation.Length; i++)
{
uint argId = _externalReferences.GetIndex(factory.NecessaryTypeSymbol(method.Instantiation[i]));
args.Append(writer.GetUnsignedConstant(argId));
}
vertex = writer.GetTuple(vertex, args);
}
else
{
uint dictionaryId = _externalReferences.GetIndex(factory.MethodGenericDictionary(method));
vertex = writer.GetTuple(vertex, writer.GetUnsignedConstant(dictionaryId));
}
}
int hashCode = method.GetCanonMethodTarget(CanonicalFormKind.Specific).OwningType.GetHashCode();
typeMapHashTable.Append((uint)hashCode, hashTableSection.Place(vertex));
}
byte[] hashTableBytes = writer.Save();
_endSymbol.SetSymbolOffset(hashTableBytes.Length);
return(new ObjectData(hashTableBytes, Array.Empty <Relocation>(), 1, new ISymbolDefinitionNode[] { this, _endSymbol }));
}
public static void AddDependenciesDueToReflectability(ref DependencyList dependencies, NodeFactory factory, MethodDesc method)
{
// TODO: https://github.com/dotnet/corert/issues/3224
// Reflection invoke stub handling is here because in the current reflection model we reflection-enable
// all methods that are compiled. Ideally the list of reflection enabled methods should be known before
// we even start the compilation process (with the invocation stubs being compilation roots like any other).
// The existing model has it's problems: e.g. the invocability of the method depends on inliner decisions.
if (factory.MetadataManager.IsReflectionInvokable(method))
{
if (dependencies == null)
{
dependencies = new DependencyList();
}
if (factory.MetadataManager.HasReflectionInvokeStubForInvokableMethod(method) &&
((factory.Target.Abi != TargetAbi.ProjectN) || !method.IsCanonicalMethod(CanonicalFormKind.Any)))
{
MethodDesc canonInvokeStub = factory.MetadataManager.GetCanonicalReflectionInvokeStub(method);
if (canonInvokeStub.IsSharedByGenericInstantiations)
{
dependencies.Add(new DependencyListEntry(factory.MetadataManager.DynamicInvokeTemplateData, "Reflection invoke template data"));
factory.MetadataManager.DynamicInvokeTemplateData.AddDependenciesDueToInvokeTemplatePresence(ref dependencies, factory, canonInvokeStub);
}
else
{
dependencies.Add(new DependencyListEntry(factory.MethodEntrypoint(canonInvokeStub), "Reflection invoke"));
}
}
bool skipUnboxingStubDependency = false;
if (factory.Target.Abi == TargetAbi.ProjectN)
{
// ProjectN compilation currently computes the presence of these stubs independent from dependency analysis here
// TODO: fix that issue and remove this odd treatment of unboxing stubs
if (!method.HasInstantiation && method.OwningType.IsValueType && method.OwningType.IsCanonicalSubtype(CanonicalFormKind.Any) && !method.Signature.IsStatic)
{
skipUnboxingStubDependency = true;
}
}
if (method.OwningType.IsValueType && !method.Signature.IsStatic && !skipUnboxingStubDependency)
{
dependencies.Add(new DependencyListEntry(factory.MethodEntrypoint(method, unboxingStub: true), "Reflection unboxing stub"));
}
// If the method is defined in a different module than this one, a metadata token isn't known for performing the reference
// Use a name/sig reference instead.
if (!factory.MetadataManager.WillUseMetadataTokenToReferenceMethod(method))
{
dependencies.Add(new DependencyListEntry(factory.NativeLayout.PlacedSignatureVertex(factory.NativeLayout.MethodNameAndSignatureVertex(method.GetTypicalMethodDefinition())),
"Non metadata-local method reference"));
}
if (method.HasInstantiation && method.IsCanonicalMethod(CanonicalFormKind.Universal))
{
dependencies.Add(new DependencyListEntry(factory.NativeLayout.PlacedSignatureVertex(factory.NativeLayout.MethodNameAndSignatureVertex(method)),
"UniversalCanon signature of method"));
}
ReflectionVirtualInvokeMapNode.GetVirtualInvokeMapDependencies(ref dependencies, factory, method);
}
}
public static void AddDependenciesDueToMethodCodePresence(ref DependencyList dependencies, NodeFactory factory, MethodDesc method)
{
// Reflection invoke stub handling is here because in the current reflection model we reflection-enable
// all methods that are compiled. Ideally the list of reflection enabled methods should be known before
// we even start the compilation process (with the invocation stubs being compilation roots like any other).
// The existing model has it's problems: e.g. the invocability of the method depends on inliner decisions.
if (factory.MetadataManager.IsReflectionInvokable(method))
{
if (dependencies == null)
{
dependencies = new DependencyList();
}
if (factory.MetadataManager.HasReflectionInvokeStubForInvokableMethod(method) && !method.IsCanonicalMethod(CanonicalFormKind.Any) /* Shared generics handled in the shadow concrete method node */)
{
MethodDesc invokeStub = factory.MetadataManager.GetReflectionInvokeStub(method);
MethodDesc canonInvokeStub = invokeStub.GetCanonMethodTarget(CanonicalFormKind.Specific);
if (invokeStub != canonInvokeStub)
{
dependencies.Add(new DependencyListEntry(factory.FatFunctionPointer(invokeStub), "Reflection invoke"));
}
else
{
dependencies.Add(new DependencyListEntry(factory.MethodEntrypoint(invokeStub), "Reflection invoke"));
}
}
bool skipUnboxingStubDependency = false;
if (factory.Target.Abi == TargetAbi.ProjectN)
{
// ProjectN compilation currently computes the presence of these stubs independent from dependency analysis here
// TODO: fix that issue and remove this odd treatment of unboxing stubs
if (!method.HasInstantiation && method.OwningType.IsValueType && method.OwningType.IsCanonicalSubtype(CanonicalFormKind.Any) && !method.Signature.IsStatic)
{
skipUnboxingStubDependency = true;
}
}
if (method.OwningType.IsValueType && !method.Signature.IsStatic && !skipUnboxingStubDependency)
{
dependencies.Add(new DependencyListEntry(factory.MethodEntrypoint(method, unboxingStub: true), "Reflection unboxing stub"));
}
dependencies.AddRange(ReflectionVirtualInvokeMapNode.GetVirtualInvokeMapDependencies(factory, method));
}
if (method.HasInstantiation)
{
var exactMethodInstantiationDependencies = ExactMethodInstantiationsNode.GetExactMethodInstantiationDependenciesForMethod(factory, method);
if (exactMethodInstantiationDependencies != null)
{
dependencies = dependencies ?? new DependencyList();
dependencies.AddRange(exactMethodInstantiationDependencies);
}
if (method.IsVirtual)
{
// Generic virtual methods dependency tracking
dependencies = dependencies ?? new DependencyList();
dependencies.Add(new DependencyListEntry(factory.GVMDependencies(method), "GVM Dependencies Support"));
}
var templateMethodDependencies = GenericMethodsTemplateMap.GetTemplateMethodDependencies(factory, method);
if (templateMethodDependencies != null)
{
dependencies = dependencies ?? new DependencyList();
dependencies.AddRange(templateMethodDependencies);
}
}
else
{
TypeDesc owningTemplateType = method.OwningType;
// Unboxing and Instantiating stubs use a different type as their template
if (factory.TypeSystemContext.IsSpecialUnboxingThunk(method))
{
owningTemplateType = factory.TypeSystemContext.GetTargetOfSpecialUnboxingThunk(method).OwningType;
}
var templateTypeDepedencies = GenericTypesTemplateMap.GetTemplateTypeDependencies(factory, owningTemplateType);
if (templateTypeDepedencies != null)
{
dependencies = dependencies ?? new DependencyList();
dependencies.AddRange(templateTypeDepedencies);
}
}
}