public override ObjectData GetData(NodeFactory factory, bool relocsOnly = false)
{
// Dependencies for this node are tracked by the method code nodes
if (relocsOnly)
{
return(new ObjectData(Array.Empty <byte>(), Array.Empty <Relocation>(), 1, new ISymbolDefinitionNode[] { this }));
}
// Ensure the native layout data has been saved, in order to get valid Vertex offsets for the signature Vertices
factory.MetadataManager.NativeLayoutInfo.SaveNativeLayoutInfoWriter(factory);
NativeWriter nativeWriter = new NativeWriter();
VertexHashtable hashtable = new VertexHashtable();
Section nativeSection = nativeWriter.NewSection();
nativeSection.Place(hashtable);
foreach (TypeDesc type in factory.MetadataManager.GetTypesWithConstructedEETypes())
{
if (!IsEligibleToHaveATemplate(type))
{
continue;
}
if ((factory.Target.Abi == TargetAbi.ProjectN) && !ProjectNDependencyBehavior.EnableFullAnalysis)
{
// If the type does not have fully constructed type, don't track its dependencies.
// TODO: Remove the workaround once we stop using the STS dependency analysis.
IDependencyNode node = factory.MaximallyConstructableType(type);
if (!node.Marked)
{
continue;
}
}
// Type's native layout info
NativeLayoutTemplateTypeLayoutVertexNode templateNode = factory.NativeLayout.TemplateTypeLayout(type);
// If this template isn't considered necessary, don't emit it.
if (!templateNode.Marked)
{
continue;
}
Vertex nativeLayout = templateNode.SavedVertex;
// Hashtable Entry
Vertex entry = nativeWriter.GetTuple(
nativeWriter.GetUnsignedConstant(_externalReferences.GetIndex(factory.NecessaryTypeSymbol(type))),
nativeWriter.GetUnsignedConstant((uint)nativeLayout.VertexOffset));
// Add to the hash table, hashed by the containing type's hashcode
uint hashCode = (uint)type.GetHashCode();
hashtable.Append(hashCode, nativeSection.Place(entry));
}
byte[] streamBytes = nativeWriter.Save();
_endSymbol.SetSymbolOffset(streamBytes.Length);
return(new ObjectData(streamBytes, Array.Empty <Relocation>(), 1, new ISymbolDefinitionNode[] { this, _endSymbol }));
}
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);
Dictionary <int, HashSet <TypeDesc> > methodsEmitted = new Dictionary <int, HashSet <TypeDesc> >();
// 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;
}
// Only virtual methods are interesting
if (!NeedsVirtualInvokeInfo(method))
{
continue;
}
//
// When working with the ProjectN ABI, the entries in the map are based on the definition types. All
// instantiations of these definition types will have the same vtable method entries.
// On CoreRT, the vtable entries for each instantiated type might not necessarily exist.
// Example 1:
// If there's a call to Foo<string>.Method1 and a call to Foo<int>.Method2, Foo<string> will
// not have Method2 in its vtable and Foo<int> will not have Method1.
// Example 2:
// If there's a call to Foo<string>.Method1 and a call to Foo<object>.Method2, given that both
// of these instantiations share the same canonical form, Foo<__Canon> will have both method
// entries, and therefore Foo<string> and Foo<object> will have both entries too.
// For this reason, the entries that we write to the map in CoreRT will be based on the canonical form
// of the method's containing type instead of the open type definition.
//
// Similarly, given that we use the open type definition for ProjectN, the slot numbers ignore dictionary
// entries in the vtable, and computing the correct slot number in the presence of dictionary entries is
// done at runtime. When working with the CoreRT ABI, the correct slot numbers will be written to the map,
// and no adjustments will be performed at runtime.
//
TypeDesc containingTypeKey;
if (factory.Target.Abi == TargetAbi.ProjectN)
{
containingTypeKey = method.OwningType.GetTypeDefinition();
}
else
{
containingTypeKey = method.OwningType.ConvertToCanonForm(CanonicalFormKind.Specific);
}
HashSet <TypeDesc> cache;
if (!methodsEmitted.TryGetValue(mappingEntry.MetadataHandle, out cache))
{
methodsEmitted[mappingEntry.MetadataHandle] = cache = new HashSet <TypeDesc>();
}
// Only one record is needed for any instantiation.
if (!cache.Add(containingTypeKey))
{
continue;
}
// Grammar of an entry in the hash table:
// Virtual Method uses a normal slot
// TypeKey + NameAndSig metadata offset into the native layout metadata + (NumberOfStepsUpParentHierarchyToType << 1) + slot
// OR
// Generic Virtual Method
// TypeKey + NameAndSig metadata offset into the native layout metadata + (NumberOfStepsUpParentHierarchyToType << 1 + 1)
int parentHierarchyDistance;
MethodDesc declaringMethodForSlot = GetDeclaringVirtualMethodAndHierarchyDistance(method, out parentHierarchyDistance);
Vertex vertex = null;
ISymbolNode containingTypeKeyNode = factory.NecessaryTypeSymbol(containingTypeKey);
NativeLayoutMethodNameAndSignatureVertexNode nameAndSig = factory.NativeLayout.MethodNameAndSignatureVertex(method.GetTypicalMethodDefinition());
NativeLayoutPlacedSignatureVertexNode placedNameAndSig = factory.NativeLayout.PlacedSignatureVertex(nameAndSig);
if (method.HasInstantiation)
{
vertex = writer.GetTuple(
writer.GetUnsignedConstant(_externalReferences.GetIndex(containingTypeKeyNode)),
writer.GetUnsignedConstant((uint)placedNameAndSig.SavedVertex.VertexOffset),
writer.GetUnsignedConstant(((uint)parentHierarchyDistance << 1) + VirtualInvokeTableEntry.GenericVirtualMethod));
}
else
{
// Get the declaring method for slot on the instantiated declaring type
int slot = VirtualMethodSlotHelper.GetVirtualMethodSlot(factory, declaringMethodForSlot, factory.Target.Abi != TargetAbi.ProjectN);
Debug.Assert(slot != -1);
vertex = writer.GetTuple(
writer.GetUnsignedConstant(_externalReferences.GetIndex(containingTypeKeyNode)),
writer.GetUnsignedConstant((uint)placedNameAndSig.SavedVertex.VertexOffset));
vertex = writer.GetTuple(vertex,
writer.GetUnsignedConstant((uint)parentHierarchyDistance << 1),
writer.GetUnsignedConstant((uint)slot));
}
int hashCode = containingTypeKey.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 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 }));
}
var writer = new NativeWriter();
var fieldMapHashTable = new VertexHashtable();
Section hashTableSection = writer.NewSection();
hashTableSection.Place(fieldMapHashTable);
foreach (var fieldMapping in factory.MetadataManager.GetFieldMapping(factory))
{
FieldDesc field = fieldMapping.Entity;
if (field.IsLiteral || field.HasRva)
{
continue;
}
FieldTableFlags flags;
if (field.IsThreadStatic)
{
flags = FieldTableFlags.ThreadStatic;
}
else if (field.IsStatic)
{
flags = FieldTableFlags.Static;
if (field.HasGCStaticBase)
{
flags |= FieldTableFlags.IsGcSection;
}
if (field.OwningType.HasInstantiation)
{
flags |= FieldTableFlags.FieldOffsetEncodedDirectly;
}
}
else
{
flags = FieldTableFlags.Instance | FieldTableFlags.FieldOffsetEncodedDirectly;
}
if (fieldMapping.MetadataHandle != 0)
{
flags |= FieldTableFlags.HasMetadataHandle;
}
if (field.OwningType.IsCanonicalSubtype(CanonicalFormKind.Universal))
{
flags |= FieldTableFlags.IsUniversalCanonicalEntry;
}
// Grammar of a hash table entry:
// Flags + DeclaringType + MdHandle or Name + Cookie or Ordinal or Offset
Vertex vertex = writer.GetUnsignedConstant((uint)flags);
uint declaringTypeId = _externalReferences.GetIndex(factory.NecessaryTypeSymbol(field.OwningType));
vertex = writer.GetTuple(vertex,
writer.GetUnsignedConstant(declaringTypeId));
if ((flags & FieldTableFlags.HasMetadataHandle) != 0)
{
// Only store the offset portion of the metadata handle to get better integer compression
vertex = writer.GetTuple(vertex,
writer.GetUnsignedConstant((uint)(fieldMapping.MetadataHandle & MetadataManager.MetadataOffsetMask)));
}
else
{
// No metadata handle means we need to store name
vertex = writer.GetTuple(vertex,
writer.GetStringConstant(field.Name));
}
if ((flags & FieldTableFlags.IsUniversalCanonicalEntry) != 0)
{
// TODO: USG
continue;
}
else
{
switch (flags & FieldTableFlags.StorageClass)
{
case FieldTableFlags.ThreadStatic:
// TODO: thread statics
continue;
case FieldTableFlags.Static:
{
if (field.OwningType.HasInstantiation)
{
vertex = writer.GetTuple(vertex, writer.GetUnsignedConstant((uint)(field.Offset.AsInt)));
}
else
{
MetadataType metadataType = (MetadataType)field.OwningType;
ISymbolNode staticsNode = field.HasGCStaticBase ?
factory.TypeGCStaticsSymbol(metadataType) :
factory.TypeNonGCStaticsSymbol(metadataType);
if (!field.HasGCStaticBase || factory.Target.Abi == TargetAbi.ProjectN)
{
uint index = _externalReferences.GetIndex(staticsNode, field.Offset.AsInt);
vertex = writer.GetTuple(vertex, writer.GetUnsignedConstant(index));
}
else
{
Debug.Assert(field.HasGCStaticBase && factory.Target.Abi == TargetAbi.CoreRT);
uint index = _externalReferences.GetIndex(staticsNode);
vertex = writer.GetTuple(vertex, writer.GetUnsignedConstant(index));
vertex = writer.GetTuple(vertex, writer.GetUnsignedConstant((uint)(field.Offset.AsInt)));
}
}
}
break;
case FieldTableFlags.Instance:
vertex = writer.GetTuple(vertex, writer.GetUnsignedConstant((uint)field.Offset.AsInt));
break;
}
}
int hashCode = field.OwningType.ConvertToCanonForm(CanonicalFormKind.Specific).GetHashCode();
fieldMapHashTable.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 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 }));
}
// Build the GVM table entries from the list of interesting GVMTableEntryNodes
foreach (var interestingEntry in factory.MetadataManager.GetTypeGVMEntries())
{
foreach (var typeGVMEntryInfo in interestingEntry.ScanForGenericVirtualMethodEntries())
{
AddGenericVirtualMethodImplementation(factory, typeGVMEntryInfo.CallingMethod, typeGVMEntryInfo.ImplementationMethod);
}
}
// Ensure the native layout blob has been saved
factory.MetadataManager.NativeLayoutInfo.SaveNativeLayoutInfoWriter(factory);
NativeWriter nativeFormatWriter = new NativeWriter();
VertexHashtable gvmHashtable = new VertexHashtable();
Section gvmHashtableSection = nativeFormatWriter.NewSection();
gvmHashtableSection.Place(gvmHashtable);
// Emit the GVM target information entries
foreach (var gvmEntry in _gvmImplemenations)
{
Debug.Assert(!gvmEntry.Key.OwningType.IsInterface);
foreach (var implementationEntry in gvmEntry.Value)
{
MethodDesc callingMethod = gvmEntry.Key;
TypeDesc implementationType = implementationEntry.Key;
MethodDesc implementationMethod = implementationEntry.Value;
uint callingTypeId = _externalReferences.GetIndex(factory.NecessaryTypeSymbol(callingMethod.OwningType));
Vertex vertex = nativeFormatWriter.GetUnsignedConstant(callingTypeId);
uint targetTypeId = _externalReferences.GetIndex(factory.NecessaryTypeSymbol(implementationType));
vertex = nativeFormatWriter.GetTuple(vertex, nativeFormatWriter.GetUnsignedConstant(targetTypeId));
var nameAndSig = factory.NativeLayout.PlacedSignatureVertex(factory.NativeLayout.MethodNameAndSignatureVertex(callingMethod));
vertex = nativeFormatWriter.GetTuple(vertex, nativeFormatWriter.GetUnsignedConstant((uint)nameAndSig.SavedVertex.VertexOffset));
nameAndSig = factory.NativeLayout.PlacedSignatureVertex(factory.NativeLayout.MethodNameAndSignatureVertex(implementationMethod));
vertex = nativeFormatWriter.GetTuple(vertex, nativeFormatWriter.GetUnsignedConstant((uint)nameAndSig.SavedVertex.VertexOffset));
int hashCode = callingMethod.OwningType.GetHashCode();
hashCode = ((hashCode << 13) ^ hashCode) ^ implementationType.GetHashCode();
gvmHashtable.Append((uint)hashCode, gvmHashtableSection.Place(vertex));
}
}
// Zero out the dictionary so that we AV if someone tries to insert after we're done.
_gvmImplemenations = null;
byte[] streamBytes = nativeFormatWriter.Save();
_endSymbol.SetSymbolOffset(streamBytes.Length);
return(new ObjectData(streamBytes, Array.Empty <Relocation>(), 1, new ISymbolDefinitionNode[] { this, _endSymbol }));
}
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 }));
}
var writer = new NativeWriter();
var typeMapHashTable = new VertexHashtable();
Section hashTableSection = writer.NewSection();
hashTableSection.Place(typeMapHashTable);
foreach (var structEntry in ((CompilerGeneratedInteropStubManager)factory.InteropStubManager).GetStructMarshallingTypes())
{
// the order of data written is as follows:
// 0. managed struct type
// 1. struct marshalling thunk
// 2. struct unmarshalling thunk
// 3. struct cleanup thunk
// 4. size
// 5. NumFields<< 1 | HasInvalidLayout
// 6 for each field
// a. name
// b. offset
var structType = structEntry.StructType;
var nativeType = structEntry.NativeStructType;
Vertex thunks = writer.GetTuple(
writer.GetUnsignedConstant(_externalReferences.GetIndex(factory.MethodEntrypoint(structEntry.MarshallingThunk))),
writer.GetUnsignedConstant(_externalReferences.GetIndex(factory.MethodEntrypoint(structEntry.UnmarshallingThunk))),
writer.GetUnsignedConstant(_externalReferences.GetIndex(factory.MethodEntrypoint(structEntry.CleanupThunk))));
uint size = (uint)nativeType.InstanceByteCount.AsInt;
uint mask = (uint)(nativeType.Fields.Length << 1) | (uint)(nativeType.HasInvalidLayout ? 1 : 0);
Vertex data = writer.GetTuple(
thunks,
writer.GetUnsignedConstant(size),
writer.GetUnsignedConstant(mask)
);
for (int i = 0; i < nativeType.Fields.Length; i++)
{
data = writer.GetTuple(
data,
writer.GetStringConstant(nativeType.Fields[i].Name),
writer.GetUnsignedConstant((uint)nativeType.Fields[i].Offset.AsInt)
);
}
Vertex vertex = writer.GetTuple(
writer.GetUnsignedConstant(_externalReferences.GetIndex(factory.NecessaryTypeSymbol(structType))),
data
);
int hashCode = structType.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 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 ISymbolNode[] { this }));
}
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;
}
// TODO: HasVirtualInvoke
if (!method.IsAbstract)
{
flags |= InvokeTableFlags.HasEntrypoint;
}
// Once we have a true multi module compilation story, we'll need to start emitting entries where this is not set.
flags |= InvokeTableFlags.HasMetadataHandle;
if (!factory.MetadataManager.HasReflectionInvokeStubForInvokableMethod(method))
{
flags |= InvokeTableFlags.NeedsParameterInterpretation;
}
// 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
{
// TODO: no MD handle case
}
// 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))));
}
// TODO: data to generate the generic dictionary with the type loader
if ((flags & InvokeTableFlags.NeedsParameterInterpretation) == 0)
{
MethodDesc invokeStubMethod = factory.MetadataManager.GetReflectionInvokeStub(method);
MethodDesc canonInvokeStubMethod = invokeStubMethod.GetCanonMethodTarget(CanonicalFormKind.Specific);
if (invokeStubMethod != canonInvokeStubMethod)
{
vertex = writer.GetTuple(vertex,
writer.GetUnsignedConstant(_externalReferences.GetIndex(factory.FatFunctionPointer(invokeStubMethod), FatFunctionPointerConstants.Offset) << 1));
}
else
{
vertex = writer.GetTuple(vertex,
writer.GetUnsignedConstant(_externalReferences.GetIndex(factory.MethodEntrypoint(invokeStubMethod)) << 1));
}
}
if ((flags & InvokeTableFlags.IsGenericMethod) != 0)
{
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 ISymbolNode[] { this, _endSymbol }));
}
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;
if (!factory.MetadataManager.ShouldMethodBeInInvokeMap(method))
{
continue;
}
bool useUnboxingStub = method.OwningType.IsValueType && !method.Signature.IsStatic;
InvokeTableFlags flags = 0;
if (method.HasInstantiation)
{
flags |= InvokeTableFlags.IsGenericMethod;
}
if (MethodRequiresInstArg(method.GetCanonMethodTarget(CanonicalFormKind.Specific), useUnboxingStub))
{
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 UnmanagedCallersOnly methods
if (method.IsRawPInvoke() || method.IsUnmanagedCallersOnly)
{
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)
{
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, factory) << 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 override ObjectData GetData(NodeFactory factory, bool relocsOnly = false)
{
// Dependencies for this node are tracked by the method code nodes
if (relocsOnly)
{
return(new ObjectData(Array.Empty <byte>(), Array.Empty <Relocation>(), 1, new ISymbolDefinitionNode[] { this }));
}
// Ensure the native layout data has been saved, in order to get valid Vertex offsets for the signature Vertices
factory.MetadataManager.NativeLayoutInfo.SaveNativeLayoutInfoWriter(factory);
NativeWriter nativeWriter = new NativeWriter();
VertexHashtable hashtable = new VertexHashtable();
Section nativeSection = nativeWriter.NewSection();
nativeSection.Place(hashtable);
foreach (MethodDesc method in factory.MetadataManager.GetCompiledMethods())
{
if (!IsMethodEligibleForTracking(method))
{
continue;
}
// Get the method pointer vertex
bool getUnboxingStub = method.OwningType.IsValueType && !method.Signature.IsStatic;
IMethodNode methodEntryPointNode = factory.MethodEntrypoint(method, getUnboxingStub);
Vertex methodPointer = nativeWriter.GetUnsignedConstant(_externalReferences.GetIndex(methodEntryPointNode));
// Get native layout vertices for the declaring type
ISymbolNode declaringTypeNode = factory.NecessaryTypeSymbol(method.OwningType);
Vertex declaringType = nativeWriter.GetUnsignedConstant(_externalReferences.GetIndex(declaringTypeNode));
// Get a vertex sequence for the method instantiation args if any
VertexSequence arguments = new VertexSequence();
foreach (var arg in method.Instantiation)
{
ISymbolNode argNode = factory.NecessaryTypeSymbol(arg);
arguments.Append(nativeWriter.GetUnsignedConstant(_externalReferences.GetIndex(argNode)));
}
// Get the name and sig of the method.
// Note: the method name and signature are stored in the NativeLayoutInfo blob, not in the hashtable we build here.
NativeLayoutMethodNameAndSignatureVertexNode nameAndSig = factory.NativeLayout.MethodNameAndSignatureVertex(method.GetTypicalMethodDefinition());
NativeLayoutPlacedSignatureVertexNode placedNameAndSig = factory.NativeLayout.PlacedSignatureVertex(nameAndSig);
Debug.Assert(placedNameAndSig.SavedVertex != null);
Vertex placedNameAndSigOffsetSig = nativeWriter.GetOffsetSignature(placedNameAndSig.SavedVertex);
// Get the vertex for the completed method signature
Vertex methodSignature = nativeWriter.GetTuple(declaringType, placedNameAndSigOffsetSig, arguments);
// Make the generic method entry vertex
Vertex entry = nativeWriter.GetTuple(methodSignature, methodPointer);
// Add to the hash table, hashed by the containing type's hashcode
uint hashCode = (uint)method.OwningType.GetHashCode();
hashtable.Append(hashCode, nativeSection.Place(entry));
}
byte[] streamBytes = nativeWriter.Save();
_endSymbol.SetSymbolOffset(streamBytes.Length);
return(new ObjectData(streamBytes, Array.Empty <Relocation>(), 1, new ISymbolDefinitionNode[] { this, _endSymbol }));
}
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 }));
}
// Build the GVM table entries from the list of interesting GVMTableEntryNodes
foreach (var interestingEntry in factory.MetadataManager.GetTypeGVMEntries())
{
foreach (var typeGVMEntryInfo in interestingEntry.ScanForInterfaceGenericVirtualMethodEntries())
{
AddGenericVirtualMethodImplementation(factory, typeGVMEntryInfo.CallingMethod, typeGVMEntryInfo.ImplementationType, typeGVMEntryInfo.ImplementationMethod);
}
}
// Ensure the native layout blob has been saved
factory.MetadataManager.NativeLayoutInfo.SaveNativeLayoutInfoWriter(factory);
NativeWriter nativeFormatWriter = new NativeWriter();
VertexHashtable gvmHashtable = new VertexHashtable();
Section gvmHashtableSection = nativeFormatWriter.NewSection();
gvmHashtableSection.Place(gvmHashtable);
// Emit the interface slot resolution entries
foreach (var gvmEntry in _interfaceGvmSlots)
{
Debug.Assert(gvmEntry.Key.OwningType.IsInterface);
MethodDesc callingMethod = gvmEntry.Key;
// Emit the method signature and containing type of the current interface method
uint typeId = _externalReferences.GetIndex(factory.NecessaryTypeSymbol(callingMethod.OwningType));
var nameAndSig = factory.NativeLayout.PlacedSignatureVertex(factory.NativeLayout.MethodNameAndSignatureVertex(callingMethod));
Vertex vertex = nativeFormatWriter.GetTuple(
nativeFormatWriter.GetUnsignedConstant(typeId),
nativeFormatWriter.GetUnsignedConstant((uint)nameAndSig.SavedVertex.VertexOffset));
// Emit the method name / sig and containing type of each GVM target method for the current interface method entry
vertex = nativeFormatWriter.GetTuple(vertex, nativeFormatWriter.GetUnsignedConstant((uint)gvmEntry.Value.Count));
foreach (MethodDesc implementationMethod in gvmEntry.Value)
{
nameAndSig = factory.NativeLayout.PlacedSignatureVertex(factory.NativeLayout.MethodNameAndSignatureVertex(implementationMethod));
typeId = _externalReferences.GetIndex(factory.NecessaryTypeSymbol(implementationMethod.OwningType));
vertex = nativeFormatWriter.GetTuple(
vertex,
nativeFormatWriter.GetUnsignedConstant((uint)nameAndSig.SavedVertex.VertexOffset),
nativeFormatWriter.GetUnsignedConstant(typeId));
// Emit the interface GVM slot details for each type that implements the interface methods
{
Debug.Assert(_interfaceImpls.ContainsKey(implementationMethod));
var ifaceImpls = _interfaceImpls[implementationMethod];
// First, emit how many types have method implementations for this interface method entry
vertex = nativeFormatWriter.GetTuple(vertex, nativeFormatWriter.GetUnsignedConstant((uint)ifaceImpls.Count));
// Emit each type that implements the interface method, and the interface signatures for the interfaces implemented by the type
foreach (var currentImpl in ifaceImpls)
{
TypeDesc implementationType = currentImpl.Key;
typeId = _externalReferences.GetIndex(factory.NecessaryTypeSymbol(implementationType));
vertex = nativeFormatWriter.GetTuple(vertex, nativeFormatWriter.GetUnsignedConstant(typeId));
// Emit information on which interfaces the current method entry provides implementations for
vertex = nativeFormatWriter.GetTuple(vertex, nativeFormatWriter.GetUnsignedConstant((uint)currentImpl.Value.Count));
foreach (var ifaceId in currentImpl.Value)
{
// Emit the signature of the current interface implemented by the method
Debug.Assert(((uint)ifaceId) < implementationType.RuntimeInterfaces.Length);
TypeDesc currentInterface = implementationType.RuntimeInterfaces[ifaceId];
var typeSig = factory.NativeLayout.PlacedSignatureVertex(factory.NativeLayout.TypeSignatureVertex(currentInterface));
vertex = nativeFormatWriter.GetTuple(vertex, nativeFormatWriter.GetUnsignedConstant((uint)typeSig.SavedVertex.VertexOffset));
}
}
}
}
int hashCode = callingMethod.OwningType.GetHashCode();
gvmHashtable.Append((uint)hashCode, gvmHashtableSection.Place(vertex));
}
// Zero out the dictionary so that we AV if someone tries to insert after we're done.
_interfaceGvmSlots = null;
byte[] streamBytes = nativeFormatWriter.Save();
_endSymbol.SetSymbolOffset(streamBytes.Length);
return(new ObjectData(streamBytes, Array.Empty <Relocation>(), 1, new ISymbolDefinitionNode[] { this, _endSymbol }));
}
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 }));
}
NativeWriter writer = new NativeWriter();
VertexHashtable hashtable = new VertexHashtable();
Section section = writer.NewSection();
section.Place(hashtable);
foreach (var type in factory.MetadataManager.GetTypesWithConstructedEETypes())
{
if (!type.HasInstantiation || type.IsCanonicalSubtype(CanonicalFormKind.Any) || type.IsGenericDefinition)
{
continue;
}
MetadataType metadataType = type as MetadataType;
if (metadataType == null)
{
continue;
}
VertexBag bag = new VertexBag();
if (metadataType.GCStaticFieldSize.AsInt > 0)
{
ISymbolNode gcStaticIndirection = factory.Indirection(factory.TypeGCStaticsSymbol(metadataType));
bag.AppendUnsigned(BagElementKind.GcStaticData, _nativeStaticsReferences.GetIndex(gcStaticIndirection));
}
if (metadataType.NonGCStaticFieldSize.AsInt > 0 || factory.TypeSystemContext.HasLazyStaticConstructor(type))
{
ISymbolNode nonGCStaticIndirection = factory.Indirection(factory.TypeNonGCStaticsSymbol(metadataType));
bag.AppendUnsigned(BagElementKind.NonGcStaticData, _nativeStaticsReferences.GetIndex(nonGCStaticIndirection));
}
if (metadataType.ThreadStaticFieldSize.AsInt > 0)
{
if (factory.Target.Abi == TargetAbi.ProjectN)
{
UtcNodeFactory utcFactory = (UtcNodeFactory)factory;
ISymbolNode threadStaticIndexIndirection = utcFactory.TypeThreadStaticsIndexSymbol(metadataType);
bag.AppendUnsigned(BagElementKind.ThreadStaticIndex, _nativeStaticsReferences.GetIndex(threadStaticIndexIndirection));
ISymbolNode threadStaticOffsetIndirection = utcFactory.TypeThreadStaticsOffsetSymbol(metadataType);
bag.AppendUnsigned(BagElementKind.ThreadStaticOffset, _nativeStaticsReferences.GetIndex(threadStaticOffsetIndirection));
}
// TODO: TLS for CoreRT
}
if (bag.ElementsCount > 0)
{
uint typeId = _externalReferences.GetIndex(factory.NecessaryTypeSymbol(type));
Vertex staticsInfo = writer.GetTuple(writer.GetUnsignedConstant(typeId), bag);
hashtable.Append((uint)type.GetHashCode(), section.Place(staticsInfo));
}
}
byte[] hashTableBytes = writer.Save();
_endSymbol.SetSymbolOffset(hashTableBytes.Length);
return(new ObjectData(hashTableBytes, Array.Empty <Relocation>(), 1, new ISymbolDefinitionNode[] { this, _endSymbol }));
}
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 ISymbolNode[] { this }));
}
var writer = new NativeWriter();
var fieldMapHashTable = new VertexHashtable();
Section hashTableSection = writer.NewSection();
hashTableSection.Place(fieldMapHashTable);
foreach (var fieldMapping in factory.MetadataManager.GetFieldMapping())
{
FieldDesc field = fieldMapping.Entity;
if (field.IsLiteral || field.HasRva)
{
continue;
}
FieldTableFlags flags;
if (field.IsThreadStatic)
{
flags = FieldTableFlags.ThreadStatic;
}
else if (field.IsStatic)
{
flags = FieldTableFlags.Static;
if (field.HasGCStaticBase)
{
flags |= FieldTableFlags.IsGcSection;
}
}
else
{
flags = FieldTableFlags.Instance;
}
// TODO: support emitting field info without a handle for generics in multifile
flags |= FieldTableFlags.HasMetadataHandle;
if (field.OwningType.IsCanonicalSubtype(CanonicalFormKind.Universal))
{
flags |= FieldTableFlags.IsUniversalCanonicalEntry;
}
// Grammar of a hash table entry:
// Flags + DeclaringType + MdHandle or Name + Cookie or Ordinal or Offset
Vertex vertex = writer.GetUnsignedConstant((uint)flags);
uint declaringTypeId = _externalReferences.GetIndex(factory.NecessaryTypeSymbol(field.OwningType));
vertex = writer.GetTuple(vertex,
writer.GetUnsignedConstant(declaringTypeId));
if ((flags & FieldTableFlags.HasMetadataHandle) != 0)
{
// Only store the offset portion of the metadata handle to get better integer compression
vertex = writer.GetTuple(vertex,
writer.GetUnsignedConstant((uint)(fieldMapping.MetadataHandle & MetadataManager.MetadataOffsetMask)));
}
else
{
throw new NotImplementedException();
}
if ((flags & FieldTableFlags.IsUniversalCanonicalEntry) != 0)
{
throw new NotImplementedException();
}
else
{
switch (flags & FieldTableFlags.StorageClass)
{
case FieldTableFlags.ThreadStatic:
case FieldTableFlags.Static:
// TODO: statics and thread statics
continue;
case FieldTableFlags.Instance:
vertex = writer.GetTuple(vertex,
writer.GetUnsignedConstant((uint)field.Offset));
break;
}
}
int hashCode = field.OwningType.ConvertToCanonForm(CanonicalFormKind.Specific).GetHashCode();
fieldMapHashTable.Append((uint)hashCode, hashTableSection.Place(vertex));
}
MemoryStream ms = new MemoryStream();
writer.Save(ms);
byte[] hashTableBytes = ms.ToArray();
_endSymbol.SetSymbolOffset(hashTableBytes.Length);
return(new ObjectData(hashTableBytes, Array.Empty <Relocation>(), 1, new ISymbolNode[] { this, _endSymbol }));
}
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 ISymbolNode[] { this }));
}
// Ensure the native layout data has been saved, in order to get valid Vertex offsets for the signature Vertices
factory.MetadataManager.NativeLayoutInfo.SaveNativeLayoutInfoWriter(factory);
NativeWriter nativeWriter = new NativeWriter();
VertexHashtable hashtable = new VertexHashtable();
Section nativeSection = nativeWriter.NewSection();
nativeSection.Place(hashtable);
foreach (var dictionaryNode in factory.MetadataManager.GetCompiledGenericDictionaries())
{
MethodGenericDictionaryNode methodDictionary = dictionaryNode as MethodGenericDictionaryNode;
if (methodDictionary == null)
{
continue;
}
MethodDesc method = methodDictionary.OwningMethod;
Debug.Assert(method.HasInstantiation && !method.IsCanonicalMethod(CanonicalFormKind.Any));
Vertex fullMethodSignature;
{
// Method's containing type
IEETypeNode containingTypeNode = factory.NecessaryTypeSymbol(method.OwningType);
Vertex containingType = nativeWriter.GetUnsignedConstant(_externalReferences.GetIndex(containingTypeNode));
// Method's instantiation arguments
VertexSequence arguments = new VertexSequence();
for (int i = 0; i < method.Instantiation.Length; i++)
{
IEETypeNode argNode = factory.NecessaryTypeSymbol(method.Instantiation[i]);
arguments.Append(nativeWriter.GetUnsignedConstant(_externalReferences.GetIndex(argNode)));
}
// Method name and signature
NativeLayoutVertexNode nameAndSig = factory.NativeLayout.MethodNameAndSignatureVertex(method.GetTypicalMethodDefinition());
NativeLayoutSavedVertexNode placedNameAndSig = factory.NativeLayout.PlacedSignatureVertex(nameAndSig);
Vertex placedNameAndSigVertexOffset = nativeWriter.GetUnsignedConstant((uint)placedNameAndSig.SavedVertex.VertexOffset);
fullMethodSignature = nativeWriter.GetTuple(containingType, placedNameAndSigVertexOffset, arguments);
}
// Method's dictionary pointer
Vertex dictionaryVertex = nativeWriter.GetUnsignedConstant(_externalReferences.GetIndex(dictionaryNode));
Vertex entry = nativeWriter.GetTuple(dictionaryVertex, fullMethodSignature);
hashtable.Append((uint)method.GetHashCode(), nativeSection.Place(entry));
}
byte[] streamBytes = nativeWriter.Save();
_endSymbol.SetSymbolOffset(streamBytes.Length);
return(new ObjectData(streamBytes, Array.Empty <Relocation>(), 1, new ISymbolNode[] { this, _endSymbol }));
}
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 }));
}
var writer = new NativeWriter();
var typeMapHashTable = new VertexHashtable();
Section hashTableSection = writer.NewSection();
hashTableSection.Place(typeMapHashTable);
foreach (var structType in factory.MetadataManager.GetTypesWithStructMarshalling())
{
// the order of data written is as follows:
// managed struct type
// NumFields<< 2 | (HasInvalidLayout ? (2:0)) | (MarshallingRequired ? (1:0))
// If MarshallingRequired:
// size
// struct marshalling thunk
// struct unmarshalling thunk
// struct cleanup thunk
// For each field field:
// name
// offset
var nativeType = _interopStateManager.GetStructMarshallingNativeType(structType);
Vertex marshallingData = null;
if (MarshalHelpers.IsStructMarshallingRequired(structType))
{
Vertex thunks = writer.GetTuple(
writer.GetUnsignedConstant(_externalReferences.GetIndex(factory.MethodEntrypoint(_interopStateManager.GetStructMarshallingManagedToNativeThunk(structType)))),
writer.GetUnsignedConstant(_externalReferences.GetIndex(factory.MethodEntrypoint(_interopStateManager.GetStructMarshallingNativeToManagedThunk(structType)))),
writer.GetUnsignedConstant(_externalReferences.GetIndex(factory.MethodEntrypoint(_interopStateManager.GetStructMarshallingCleanupThunk(structType)))));
uint size = (uint)nativeType.InstanceFieldSize.AsInt;
marshallingData = writer.GetTuple(writer.GetUnsignedConstant(size), thunks);
}
Vertex fieldOffsetData = null;
for (int i = 0; i < nativeType.Fields.Length; i++)
{
var row = writer.GetTuple(
writer.GetStringConstant(nativeType.Fields[i].Name),
writer.GetUnsignedConstant((uint)nativeType.Fields[i].Offset.AsInt)
);
fieldOffsetData = (fieldOffsetData != null) ? writer.GetTuple(fieldOffsetData, row) : row;
}
uint mask = (uint)((marshallingData != null) ? InteropDataConstants.HasMarshallers : 0) |
(uint)(nativeType.HasInvalidLayout ? InteropDataConstants.HasInvalidLayout : 0) |
(uint)(nativeType.Fields.Length << InteropDataConstants.FieldCountShift);
Vertex data = writer.GetUnsignedConstant(mask);
if (marshallingData != null)
{
data = writer.GetTuple(data, marshallingData);
}
if (fieldOffsetData != null)
{
data = writer.GetTuple(data, fieldOffsetData);
}
Vertex vertex = writer.GetTuple(
writer.GetUnsignedConstant(_externalReferences.GetIndex(factory.NecessaryTypeSymbol(structType))),
data
);
int hashCode = structType.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 }));
}