private void OutputComponentSize(ref ObjectDataBuilder objData)
{
if (_type.IsArray)
{
TypeDesc elementType = ((ArrayType)_type).ElementType;
if (elementType == elementType.Context.UniversalCanonType)
{
objData.EmitShort(0);
}
else
{
int elementSize = elementType.GetElementSize().AsInt;
// We validated that this will fit the short when the node was constructed. No need for nice messages.
objData.EmitShort((short)checked ((ushort)elementSize));
}
}
else if (_type.IsString)
{
objData.EmitShort(StringComponentSize.Value);
}
else
{
objData.EmitShort(0);
}
}
public override void EncodeData(ref ObjectDataBuilder dataBuilder, NodeFactory factory, bool relocsOnly)
{
dataBuilder.EmitZeroPointer(); // Sync block
DefType systemStringType = factory.TypeSystemContext.GetWellKnownType(WellKnownType.String);
//
// The GC requires a direct reference to frozen objects' EETypes. If System.String will be compiled into a separate
// binary, it must be cloned into this one.
//
if (factory.CompilationModuleGroup.ShouldReferenceThroughImportTable(systemStringType))
{
dataBuilder.EmitPointerReloc(factory.ConstructedClonedTypeSymbol(systemStringType));
}
else
{
dataBuilder.EmitPointerReloc(factory.ConstructedTypeSymbol(systemStringType));
}
dataBuilder.EmitInt(_data.Length);
foreach (char c in _data)
{
dataBuilder.EmitShort((short)c);
}
// Null-terminate for friendliness with interop
dataBuilder.EmitShort(0);
}
public override ObjectData GetData(NodeFactory factory, bool relocsOnly = false)
{
ObjectDataBuilder dataBuilder = new ObjectDataBuilder(factory);
dataBuilder.Alignment = 16;
dataBuilder.DefinedSymbols.Add(this);
short flags = (short)EETypeKind.GenericTypeDefEEType;
if (_type.IsValueType)
{
flags |= (short)EETypeFlags.ValueTypeFlag;
}
if (_type.IsInterface)
{
flags |= (short)EETypeFlags.IsInterfaceFlag;
}
dataBuilder.EmitShort((short)_type.Instantiation.Length);
dataBuilder.EmitShort(flags);
dataBuilder.EmitInt(0); // Base size is always 0
dataBuilder.EmitZeroPointer(); // No related type
dataBuilder.EmitShort(0); // No VTable
dataBuilder.EmitShort(0); // No interface map
dataBuilder.EmitInt(_type.GetHashCode());
dataBuilder.EmitPointerReloc(factory.ModuleManagerIndirection);
return(dataBuilder.ToObjectData());
}
private void OutputVirtualSlotAndInterfaceCount(NodeFactory factory, ref ObjectDataBuilder objData)
{
if (!_constructed)
{
objData.EmitShort(0);
objData.EmitShort(0);
return;
}
int virtualSlotCount = 0;
TypeDesc currentTypeSlice = _type;
while (currentTypeSlice != null)
{
List <MethodDesc> virtualSlots;
factory.VirtualSlots.TryGetValue(currentTypeSlice, out virtualSlots);
if (virtualSlots != null)
{
virtualSlotCount += virtualSlots.Count;
}
currentTypeSlice = currentTypeSlice.BaseType;
}
objData.EmitShort(checked ((short)virtualSlotCount));
objData.EmitShort(checked ((short)_type.RuntimeInterfaces.Length));
}
void EmitDispatchMap(ref ObjectDataBuilder builder, NodeFactory factory)
{
var entryCountReservation = builder.ReserveInt();
int entryCount = 0;
for (int interfaceIndex = 0; interfaceIndex < _type.RuntimeInterfaces.Length; interfaceIndex++)
{
var interfaceType = _type.RuntimeInterfaces[interfaceIndex];
Debug.Assert(interfaceType.IsInterface);
IReadOnlyList <MethodDesc> virtualSlots = factory.VTable(interfaceType).Slots;
for (int interfaceMethodSlot = 0; interfaceMethodSlot < virtualSlots.Count; interfaceMethodSlot++)
{
MethodDesc declMethod = virtualSlots[interfaceMethodSlot];
var implMethod = _type.GetClosestDefType().ResolveInterfaceMethodToVirtualMethodOnType(declMethod);
// Interface methods first implemented by a base type in the hierarchy will return null for the implMethod (runtime interface
// dispatch will walk the inheritance chain).
if (implMethod != null)
{
builder.EmitShort(checked ((short)interfaceIndex));
builder.EmitShort(checked ((short)interfaceMethodSlot));
builder.EmitShort(checked ((short)VirtualMethodSlotHelper.GetVirtualMethodSlot(factory, implMethod)));
entryCount++;
}
}
}
builder.EmitInt(entryCountReservation, entryCount);
}
public override void EncodeData(ref ObjectDataBuilder dataBuilder, NodeFactory factory, bool relocsOnly)
{
dataBuilder.EmitZeroPointer(); // Sync block
DefType systemStringType = factory.TypeSystemContext.GetWellKnownType(WellKnownType.String);
//
// The GC requires a direct reference to frozen objects' EETypes. If System.String will be compiled into a separate
// binary, it must be cloned into this one.
//
if (factory.CompilationModuleGroup.ShouldReferenceThroughImportTable(systemStringType))
{
dataBuilder.EmitPointerReloc(factory.ConstructedClonedTypeSymbol(systemStringType));
}
else
{
dataBuilder.EmitPointerReloc(factory.ConstructedTypeSymbol(systemStringType));
}
dataBuilder.EmitInt(_data.Length);
foreach (char c in _data)
{
dataBuilder.EmitShort((short)c);
}
// Null-terminate for friendliness with interop
dataBuilder.EmitShort(0);
}
public override ObjectData GetData(NodeFactory factory, bool relocsOnly)
{
ObjectDataBuilder objData = new ObjectDataBuilder(factory, relocsOnly);
objData.RequireInitialPointerAlignment();
objData.AddSymbol(this);
ComputeOptionalEETypeFields(factory, relocsOnly);
OutputGCDesc(ref objData);
OutputComponentSize(ref objData);
OutputFlags(factory, ref objData);
OutputBaseSize(ref objData);
OutputRelatedType(factory, ref objData);
// Number of vtable slots will be only known later. Reseve the bytes for it.
var vtableSlotCountReservation = objData.ReserveShort();
// Number of interfaces will only be known later. Reserve the bytes for it.
var interfaceCountReservation = objData.ReserveShort();
objData.EmitInt(_type.GetHashCode());
objData.EmitPointerReloc(factory.TypeManagerIndirection);
if (EmitVirtualSlotsAndInterfaces)
{
// Emit VTable
Debug.Assert(objData.CountBytes - ((ISymbolDefinitionNode)this).Offset == GetVTableOffset(objData.TargetPointerSize));
SlotCounter virtualSlotCounter = SlotCounter.BeginCounting(ref /* readonly */ objData);
OutputVirtualSlots(factory, ref objData, _type, _type, relocsOnly);
// Update slot count
int numberOfVtableSlots = virtualSlotCounter.CountSlots(ref /* readonly */ objData);
objData.EmitShort(vtableSlotCountReservation, checked ((short)numberOfVtableSlots));
// Emit interface map
SlotCounter interfaceSlotCounter = SlotCounter.BeginCounting(ref /* readonly */ objData);
OutputInterfaceMap(factory, ref objData);
// Update slot count
int numberOfInterfaceSlots = interfaceSlotCounter.CountSlots(ref /* readonly */ objData);
objData.EmitShort(interfaceCountReservation, checked ((short)numberOfInterfaceSlots));
}
else
{
// If we're not emitting any slots, the number of slots is zero.
objData.EmitShort(vtableSlotCountReservation, 0);
objData.EmitShort(interfaceCountReservation, 0);
}
OutputFinalizerMethod(factory, ref objData);
OutputOptionalFields(factory, ref objData);
OutputNullableTypeParameter(factory, ref objData);
OutputGenericInstantiationDetails(factory, ref objData);
return(objData.ToObjectData());
}
public override ObjectData GetData(NodeFactory factory, bool relocsOnly = false)
{
ObjectDataBuilder dataBuilder = new ObjectDataBuilder(factory, relocsOnly);
dataBuilder.RequireInitialPointerAlignment();
dataBuilder.AddSymbol(this);
EETypeRareFlags rareFlags = 0;
short flags = (short)EETypeKind.GenericTypeDefEEType;
if (_type.IsValueType)
{
flags |= (short)EETypeFlags.ValueTypeFlag;
}
if (_type.IsInterface)
{
flags |= (short)EETypeFlags.IsInterfaceFlag;
}
if (factory.TypeSystemContext.HasLazyStaticConstructor(_type))
{
rareFlags = rareFlags | EETypeRareFlags.HasCctorFlag;
}
if (_type.IsByRefLike)
{
rareFlags |= EETypeRareFlags.IsByRefLikeFlag;
}
if (rareFlags != 0)
{
_optionalFieldsBuilder.SetFieldValue(EETypeOptionalFieldTag.RareFlags, (uint)rareFlags);
}
if (HasOptionalFields)
{
flags |= (short)EETypeFlags.OptionalFieldsFlag;
}
if (_type.IsEnum)
{
flags |= (short)EETypeBuilderHelpers.ComputeElementTypeFlags(_type);
}
dataBuilder.EmitShort((short)_type.Instantiation.Length);
dataBuilder.EmitShort(flags);
dataBuilder.EmitInt(0); // Base size is always 0
dataBuilder.EmitZeroPointer(); // No related type
dataBuilder.EmitShort(0); // No VTable
dataBuilder.EmitShort(0); // No interface map
dataBuilder.EmitInt(_type.GetHashCode());
dataBuilder.EmitPointerReloc(factory.TypeManagerIndirection);
if (HasOptionalFields)
{
dataBuilder.EmitPointerReloc(_optionalFieldsNode);
}
return(dataBuilder.ToObjectData());
}
public override ObjectData GetData(NodeFactory factory, bool relocsOnly)
{
ObjectDataBuilder dataBuilder = new ObjectDataBuilder(factory);
dataBuilder.Alignment = 16;
dataBuilder.DefinedSymbols.Add(this);
bool hasPointers = NumSeries > 0;
if (hasPointers)
{
for (int i = ((_runLengths.Length / 2) * 2) - 1; i >= 0; i--)
{
if (_targetPointerSize == 4)
{
dataBuilder.EmitInt(_runLengths[i]);
}
else
{
dataBuilder.EmitLong(_runLengths[i]);
}
}
if (_targetPointerSize == 4)
{
dataBuilder.EmitInt(NumSeries);
}
else
{
dataBuilder.EmitLong(NumSeries);
}
}
int totalSize = 0;
foreach (int run in _runLengths)
{
totalSize += run * _targetPointerSize;
}
dataBuilder.EmitShort(0); // ComponentSize is always 0
if (hasPointers)
{
dataBuilder.EmitShort(0x20); // TypeFlags.HasPointers
}
else
{
dataBuilder.EmitShort(0x00);
}
totalSize = Math.Max(totalSize, _targetPointerSize * 3); // minimum GC eetype size is 3 pointers
dataBuilder.EmitInt(totalSize);
return(dataBuilder.ToObjectData());
}
void EmitDispatchMap(ref ObjectDataBuilder builder, NodeFactory factory)
{
var entryCountReservation = builder.ReserveInt();
int entryCount = 0;
TypeDesc declType = _type.GetClosestDefType();
// Catch any runtime interface collapsing. We shouldn't have any
Debug.Assert(declType.RuntimeInterfaces.Length == declType.GetTypeDefinition().RuntimeInterfaces.Length);
for (int interfaceIndex = 0; interfaceIndex < declType.RuntimeInterfaces.Length; interfaceIndex++)
{
var interfaceType = declType.RuntimeInterfaces[interfaceIndex];
var interfaceDefinitionType = declType.GetTypeDefinition().RuntimeInterfaces[interfaceIndex];
Debug.Assert(interfaceType.IsInterface);
IReadOnlyList <MethodDesc> virtualSlots = factory.VTable(interfaceType).Slots;
for (int interfaceMethodSlot = 0; interfaceMethodSlot < virtualSlots.Count; interfaceMethodSlot++)
{
MethodDesc declMethod = virtualSlots[interfaceMethodSlot];
if (!interfaceType.IsTypeDefinition)
{
declMethod = factory.TypeSystemContext.GetMethodForInstantiatedType(declMethod.GetTypicalMethodDefinition(), (InstantiatedType)interfaceDefinitionType);
}
var implMethod = declType.GetTypeDefinition().ResolveInterfaceMethodToVirtualMethodOnType(declMethod);
// Interface methods first implemented by a base type in the hierarchy will return null for the implMethod (runtime interface
// dispatch will walk the inheritance chain).
if (implMethod != null)
{
TypeDesc implType = declType;
while (!implType.HasSameTypeDefinition(implMethod.OwningType))
{
implType = implType.BaseType;
}
MethodDesc targetMethod = implMethod;
if (!implType.IsTypeDefinition)
{
targetMethod = factory.TypeSystemContext.GetMethodForInstantiatedType(implMethod.GetTypicalMethodDefinition(), (InstantiatedType)implType);
}
builder.EmitShort(checked ((short)interfaceIndex));
builder.EmitShort(checked ((short)(interfaceMethodSlot + (interfaceType.HasGenericDictionarySlot() ? 1 : 0))));
builder.EmitShort(checked ((short)VirtualMethodSlotHelper.GetVirtualMethodSlot(factory, targetMethod, declType)));
entryCount++;
}
}
}
builder.EmitInt(entryCountReservation, entryCount);
}
protected override void OutputVirtualSlotAndInterfaceCount(NodeFactory factory, ref ObjectDataBuilder objData)
{
int virtualSlotCount = 0;
TypeDesc currentTypeSlice = _type.GetClosestDefType();
while (currentTypeSlice != null)
{
virtualSlotCount += factory.VTable(currentTypeSlice).Slots.Count;
currentTypeSlice = currentTypeSlice.BaseType;
}
objData.EmitShort(checked ((short)virtualSlotCount));
objData.EmitShort(checked ((short)_type.RuntimeInterfaces.Length));
}
private void OutputComponentSize(ref ObjectDataBuilder objData)
{
if (_type.IsArray)
{
objData.EmitShort((short)((ArrayType)_type).ElementType.GetElementSize());
}
else if (_type.IsString)
{
objData.EmitShort(2);
}
else
{
objData.EmitShort(0);
}
}
private void OutputFlags(NodeFactory factory, ref ObjectDataBuilder objData)
{
UInt16 flags = EETypeBuilderHelpers.ComputeFlags(_type);
if (_type.GetTypeDefinition() == factory.ArrayOfTEnumeratorType)
{
// Generic array enumerators use special variance rules recognized by the runtime
flags |= (UInt16)EETypeFlags.GenericVarianceFlag;
}
ISymbolNode relatedTypeNode = GetRelatedTypeNode(factory);
// If the related type (base type / array element type / pointee type) is not part of this compilation group, and
// the output binaries will be multi-file (not multiple object files linked together), indicate to the runtime
// that it should indirect through the import address table
if (relatedTypeNode != null && relatedTypeNode.RepresentsIndirectionCell)
{
flags |= (UInt16)EETypeFlags.RelatedTypeViaIATFlag;
}
// Todo: Generic Type Definition EETypes
if (HasOptionalFields)
{
flags |= (UInt16)EETypeFlags.OptionalFieldsFlag;
}
objData.EmitShort((short)flags);
}
public override void EncodeData(ref ObjectDataBuilder dataBuilder, NodeFactory factory, bool relocsOnly)
{
dataBuilder.EmitZeroPointer(); // Sync block
dataBuilder.EmitPointerReloc(GetEETypeNode(factory));
dataBuilder.EmitInt(_data.Length);
foreach (char c in _data)
{
dataBuilder.EmitShort((short)c);
}
// Null-terminate for friendliness with interop
dataBuilder.EmitShort(0);
}
private void OutputFlags(NodeFactory factory, ref ObjectDataBuilder objData)
{
UInt16 flags = EETypeBuilderHelpers.ComputeFlags(_type);
if (_type.GetTypeDefinition() == factory.ArrayOfTEnumeratorType)
{
// Generic array enumerators use special variance rules recognized by the runtime
flags |= (UInt16)EETypeFlags.GenericVarianceFlag;
}
if (factory.TypeSystemContext.IsGenericArrayInterfaceType(_type))
{
// Runtime casting logic relies on all interface types implemented on arrays
// to have the variant flag set (even if all the arguments are non-variant).
// This supports e.g. casting uint[] to ICollection<int>
flags |= (UInt16)EETypeFlags.GenericVarianceFlag;
}
ISymbolNode relatedTypeNode = GetRelatedTypeNode(factory);
// If the related type (base type / array element type / pointee type) is not part of this compilation group, and
// the output binaries will be multi-file (not multiple object files linked together), indicate to the runtime
// that it should indirect through the import address table
if (relatedTypeNode != null && relatedTypeNode.RepresentsIndirectionCell)
{
flags |= (UInt16)EETypeFlags.RelatedTypeViaIATFlag;
}
if (HasOptionalFields)
{
flags |= (UInt16)EETypeFlags.OptionalFieldsFlag;
}
objData.EmitShort((short)flags);
}
public override ObjectData GetData(NodeFactory factory, bool relocsOnly)
{
ObjectDataBuilder objData = new ObjectDataBuilder(factory);
objData.RequireInitialPointerAlignment();
objData.AddSymbol(this);
ComputeOptionalEETypeFields(factory, relocsOnly);
OutputGCDesc(ref objData);
OutputComponentSize(ref objData);
OutputFlags(factory, ref objData);
OutputBaseSize(ref objData);
OutputRelatedType(factory, ref objData);
// Avoid consulting VTable slots until they're guaranteed complete during final data emission
if (EmitVirtualSlotsAndInterfaces && !relocsOnly)
{
OutputVirtualSlotAndInterfaceCount(factory, ref objData);
}
else
{
objData.EmitShort(0);
objData.EmitShort(0);
}
objData.EmitInt(_type.GetHashCode());
objData.EmitPointerReloc(factory.TypeManagerIndirection);
if (EmitVirtualSlotsAndInterfaces)
{
// Avoid consulting VTable slots until they're guaranteed complete during final data emission
if (!relocsOnly)
{
OutputVirtualSlots(factory, ref objData, _type, _type);
}
OutputInterfaceMap(factory, ref objData);
}
OutputFinalizerMethod(factory, ref objData);
OutputOptionalFields(factory, ref objData);
OutputNullableTypeParameter(factory, ref objData);
OutputGenericInstantiationDetails(factory, ref objData);
return(objData.ToObjectData());
}
private void OutputComponentSize(ref ObjectDataBuilder objData)
{
if (_type.IsArray)
{
int elementSize = ((ArrayType)_type).ElementType.GetElementSize();
// We validated that this will fit the short when the node was constructed. No need for nice messages.
objData.EmitShort((short)checked ((ushort)elementSize));
}
else if (_type.IsString)
{
objData.EmitShort(2);
}
else
{
objData.EmitShort(0);
}
}
public override ObjectData GetData(NodeFactory factory, bool relocsOnly)
{
ObjectDataBuilder dataBuilder = new ObjectDataBuilder(factory, relocsOnly);
dataBuilder.RequireInitialPointerAlignment();
dataBuilder.AddSymbol(this);
// +1 for SyncBlock (static size already includes MethodTable)
Debug.Assert(factory.Target.Abi == TargetAbi.NativeAot || factory.Target.Abi == TargetAbi.CppCodegen);
int totalSize = (_gcMap.Size + 1) * _target.PointerSize;
// We only need to check for containsPointers because ThreadStatics are always allocated
// on the GC heap (no matter what "HasGCStaticBase" says).
// If that ever changes, we can assume "true" and switch this to an assert.
bool containsPointers = _gcMap.NumSeries > 0;
if (containsPointers)
{
GCDescEncoder.EncodeStandardGCDesc(ref dataBuilder, _gcMap, totalSize, 0);
}
Debug.Assert(dataBuilder.CountBytes == ((ISymbolDefinitionNode)this).Offset);
dataBuilder.EmitShort(0); // ComponentSize is always 0
short flags = 0;
if (containsPointers)
{
flags |= (short)EETypeFlags.HasPointersFlag;
}
dataBuilder.EmitShort(flags);
totalSize = Math.Max(totalSize, _target.PointerSize * 3); // minimum GC MethodTable size is 3 pointers
dataBuilder.EmitInt(totalSize);
// Related type: System.Object. This allows storing an instance of this type in an array of objects.
dataBuilder.EmitPointerReloc(factory.NecessaryTypeSymbol(factory.TypeSystemContext.GetWellKnownType(WellKnownType.Object)));
return(dataBuilder.ToObjectData());
}
public override ObjectData GetData(NodeFactory factory, bool relocsOnly)
{
ObjectDataBuilder dataBuilder = new ObjectDataBuilder(factory);
dataBuilder.Alignment = 16;
dataBuilder.DefinedSymbols.Add(this);
// +2 for SyncBlock and EETypePtr field
int totalSize = (_gcMap.Size + 2) * _target.PointerSize;
// We only need to check for containsPointers because ThreadStatics are always allocated
// on the GC heap (no matter what "HasGCStaticBase" says).
// If that ever changes, we can assume "true" and switch this to an assert.
bool containsPointers = _gcMap.NumSeries > 0;
if (containsPointers)
{
GCDescEncoder.EncodeStandardGCDesc(ref dataBuilder, _gcMap, totalSize, 0);
}
Debug.Assert(dataBuilder.CountBytes == Offset);
dataBuilder.EmitShort(0); // ComponentSize is always 0
short flags = 0;
if (containsPointers)
{
flags |= (short)EETypeFlags.HasPointersFlag;
}
dataBuilder.EmitShort(flags);
totalSize = Math.Max(totalSize, _target.PointerSize * 3); // minimum GC eetype size is 3 pointers
dataBuilder.EmitInt(totalSize);
// This is just so that EEType::Validate doesn't blow up at runtime
dataBuilder.EmitPointerReloc(this); // Related type: itself
return(dataBuilder.ToObjectData());
}
public override ObjectData GetData(NodeFactory factory, bool relocsOnly = false)
{
ObjectDataBuilder dataBuilder = new ObjectDataBuilder(factory, relocsOnly);
dataBuilder.RequireInitialPointerAlignment();
dataBuilder.AddSymbol(this);
EETypeRareFlags rareFlags = 0;
ushort flags = EETypeBuilderHelpers.ComputeFlags(_type);
if (factory.PreinitializationManager.HasLazyStaticConstructor(_type))
{
rareFlags = rareFlags | EETypeRareFlags.HasCctorFlag;
}
if (_type.IsByRefLike)
{
rareFlags |= EETypeRareFlags.IsByRefLikeFlag;
}
if (rareFlags != 0)
{
_optionalFieldsBuilder.SetFieldValue(EETypeOptionalFieldTag.RareFlags, (uint)rareFlags);
}
if (HasOptionalFields)
{
flags |= (ushort)EETypeFlags.OptionalFieldsFlag;
}
dataBuilder.EmitShort((short)_type.Instantiation.Length);
dataBuilder.EmitUShort(flags);
dataBuilder.EmitInt(0); // Base size is always 0
dataBuilder.EmitZeroPointer(); // No related type
dataBuilder.EmitShort(0); // No VTable
dataBuilder.EmitShort(0); // No interface map
dataBuilder.EmitInt(_type.GetHashCode());
OutputTypeManagerIndirection(factory, ref dataBuilder);
OutputWritableData(factory, ref dataBuilder);
OutputOptionalFields(factory, ref dataBuilder);
return(dataBuilder.ToObjectData());
}
public override ObjectData GetData(NodeFactory factory, bool relocsOnly = false)
{
ObjectDataBuilder objData = new ObjectDataBuilder(factory);
objData.Alignment = 16;
objData.DefinedSymbols.Add(this);
if (!relocsOnly)
{
var entries = BuildDispatchMap(factory);
objData.EmitInt(entries.Length);
foreach (var entry in entries)
{
objData.EmitShort(entry.InterfaceIndex);
objData.EmitShort(entry.InterfaceMethodSlot);
objData.EmitShort(entry.ImplementationMethodSlot);
}
}
return(objData.ToObjectData());
}
private void OutputVirtualSlotAndInterfaceCount(NodeFactory factory, ref ObjectDataBuilder objData)
{
if (!_constructed)
{
objData.EmitShort(0);
objData.EmitShort(0);
return;
}
int virtualSlotCount = 0;
TypeDesc currentTypeSlice = _type.GetClosestMetadataType();
while (currentTypeSlice != null)
{
virtualSlotCount += factory.VTable(currentTypeSlice).Slots.Count;
currentTypeSlice = currentTypeSlice.BaseType;
}
objData.EmitShort(checked ((short)virtualSlotCount));
objData.EmitShort(checked ((short)_type.RuntimeInterfaces.Length));
}
protected virtual void OutputVirtualSlotAndInterfaceCount(NodeFactory factory, ref ObjectDataBuilder objData)
{
Debug.Assert(EmitVirtualSlotsAndInterfaces);
int virtualSlotCount = 0;
TypeDesc currentTypeSlice = _type.GetClosestDefType();
while (currentTypeSlice != null)
{
if (currentTypeSlice.HasGenericDictionarySlot())
{
virtualSlotCount++;
}
virtualSlotCount += factory.VTable(currentTypeSlice).Slots.Count;
currentTypeSlice = currentTypeSlice.BaseType;
}
objData.EmitShort(checked ((short)virtualSlotCount));
objData.EmitShort(checked ((short)_type.RuntimeInterfaces.Length));
}
private void OutputVirtualSlotAndInterfaceCount(NodeFactory factory, ref ObjectDataBuilder objData)
{
int virtualSlotCount = 0;
TypeDesc currentTypeSlice = _type;
while (currentTypeSlice != null)
{
List <MethodDesc> virtualSlots;
factory.VirtualSlots.TryGetValue(currentTypeSlice, out virtualSlots);
if (virtualSlots != null)
{
virtualSlotCount += virtualSlots.Count;
}
currentTypeSlice = currentTypeSlice.BaseType;
}
objData.EmitShort(checked ((short)virtualSlotCount));
// Todo: Number of slots of EEInterfaceInfo when we add interface support
objData.EmitShort(0);
}
private void OutputComponentSize(ref ObjectDataBuilder objData)
{
if (_type.IsArray)
{
int elementSize = ((ArrayType)_type).ElementType.GetElementSize();
if (elementSize >= 64 * 1024)
{
// TODO: Array of type 'X' cannot be created because base value type is too large.
throw new TypeLoadException();
}
objData.EmitShort((short)elementSize);
}
else if (_type.IsString)
{
objData.EmitShort(2);
}
else
{
objData.EmitShort(0);
}
}
public override ObjectData GetData(NodeFactory factory, bool relocsOnly = false)
{
ObjectDataBuilder dataBuilder = new ObjectDataBuilder(factory);
dataBuilder.Alignment = 16;
dataBuilder.DefinedSymbols.Add(this);
short flags = (short)EETypeKind.GenericTypeDefEEType;
if (_type.IsValueType)
flags |= (short)EETypeFlags.ValueTypeFlag;
if (_type.IsInterface)
flags |= (short)EETypeFlags.IsInterfaceFlag;
dataBuilder.EmitShort((short)_type.Instantiation.Length);
dataBuilder.EmitShort(flags);
dataBuilder.EmitInt(0); // Base size is always 0
dataBuilder.EmitZeroPointer(); // No related type
dataBuilder.EmitShort(0); // No VTable
dataBuilder.EmitShort(0); // No interface map
dataBuilder.EmitInt(_type.GetHashCode());
dataBuilder.EmitPointerReloc(factory.ModuleManagerIndirection);
return dataBuilder.ToObjectData();
}
public override ObjectData GetData(NodeFactory factory, bool relocsOnly = false)
{
ObjectDataBuilder dataBuilder = new ObjectDataBuilder(factory);
dataBuilder.Alignment = dataBuilder.TargetPointerSize;
dataBuilder.DefinedSymbols.Add(this);
EETypeRareFlags rareFlags = 0;
short flags = (short)EETypeKind.GenericTypeDefEEType;
if (_type.IsValueType)
flags |= (short)EETypeFlags.ValueTypeFlag;
if (_type.IsInterface)
flags |= (short)EETypeFlags.IsInterfaceFlag;
if (factory.TypeSystemContext.HasLazyStaticConstructor(_type))
rareFlags = rareFlags | EETypeRareFlags.HasCctorFlag;
if (rareFlags != 0)
_optionalFieldsBuilder.SetFieldValue(EETypeOptionalFieldTag.RareFlags, (uint)rareFlags);
if (_optionalFieldsBuilder.IsAtLeastOneFieldUsed())
flags |= (short)EETypeFlags.OptionalFieldsFlag;
dataBuilder.EmitShort((short)_type.Instantiation.Length);
dataBuilder.EmitShort(flags);
dataBuilder.EmitInt(0); // Base size is always 0
dataBuilder.EmitZeroPointer(); // No related type
dataBuilder.EmitShort(0); // No VTable
dataBuilder.EmitShort(0); // No interface map
dataBuilder.EmitInt(_type.GetHashCode());
dataBuilder.EmitPointerReloc(factory.ModuleManagerIndirection);
if (_optionalFieldsBuilder.IsAtLeastOneFieldUsed())
{
dataBuilder.EmitPointerReloc(factory.EETypeOptionalFields(_optionalFieldsBuilder));
}
return dataBuilder.ToObjectData();
}
private void OutputFlags(NodeFactory factory, ref ObjectDataBuilder objData)
{
UInt16 flags = EETypeBuilderHelpers.ComputeFlags(_type);
// Todo: RelatedTypeViaIATFlag when we support cross-module EETypes
// Todo: GenericVarianceFlag when we support variance
// Todo: Generic Type Definition EETypes
if (_optionalFieldsBuilder.IsAtLeastOneFieldUsed())
{
flags |= (UInt16)EETypeFlags.OptionalFieldsFlag;
}
objData.EmitShort((short)flags);
}
public override ObjectData GetData(NodeFactory factory, bool relocsOnly = false)
{
bool hasVariance = false;
foreach (var argVariance in _details.Variance)
{
if (argVariance != 0)
{
hasVariance = true;
break;
}
}
var builder = new ObjectDataBuilder(factory);
builder.DefinedSymbols.Add(this);
builder.RequirePointerAlignment();
builder.EmitShort((short)checked ((UInt16)_details.Instantiation.Length));
builder.EmitByte((byte)(hasVariance ? 1 : 0));
// TODO: general purpose padding
builder.EmitByte(0);
if (factory.Target.PointerSize == 8)
{
builder.EmitInt(0);
}
foreach (var typeArg in _details.Instantiation)
{
builder.EmitPointerReloc(factory.NecessaryTypeSymbol(typeArg));
}
if (hasVariance)
{
foreach (var argVariance in _details.Variance)
{
builder.EmitByte(checked ((byte)argVariance));
}
}
return(builder.ToObjectData());
}
private void OutputFlags(NodeFactory factory, ref ObjectDataBuilder objData)
{
UInt16 flags = EETypeBuilderHelpers.ComputeFlags(_type);
if (_type.GetTypeDefinition() == factory.ArrayOfTEnumeratorType)
{
// Generic array enumerators use special variance rules recognized by the runtime
flags |= (UInt16)EETypeFlags.GenericVarianceFlag;
}
// Todo: RelatedTypeViaIATFlag when we support cross-module EETypes
// Todo: Generic Type Definition EETypes
if (HasOptionalFields)
{
flags |= (UInt16)EETypeFlags.OptionalFieldsFlag;
}
objData.EmitShort((short)flags);
}
private void OutputFlags(NodeFactory factory, ref ObjectDataBuilder objData)
{
UInt16 flags = EETypeBuilderHelpers.ComputeFlags(_type);
if (_type.GetTypeDefinition() == factory.ArrayOfTEnumeratorType)
{
// Generic array enumerators use special variance rules recognized by the runtime
flags |= (UInt16)EETypeFlags.GenericVarianceFlag;
}
TypeDesc relatedType = null;
if (_type.IsArray || _type.IsPointer || _type.IsByRef)
{
relatedType = ((ParameterizedType)_type).ParameterType;
}
else
{
relatedType = _type.BaseType;
}
// If the related type (base type / array element type / pointee type) is not part of this compilation group, and
// the output binaries will be multi-file (not multiple object files linked together), indicate to the runtime
// that it should indirect through the import address table
if (relatedType != null && factory.CompilationModuleGroup.ShouldReferenceThroughImportTable(relatedType))
{
flags |= (UInt16)EETypeFlags.RelatedTypeViaIATFlag;
}
// Todo: Generic Type Definition EETypes
if (HasOptionalFields)
{
flags |= (UInt16)EETypeFlags.OptionalFieldsFlag;
}
objData.EmitShort((short)flags);
}
public override ObjectData GetData(NodeFactory factory, bool relocsOnly)
{
ObjectDataBuilder dataBuilder = new ObjectDataBuilder(factory);
dataBuilder.Alignment = 16;
dataBuilder.DefinedSymbols.Add(this);
// +2 for SyncBlock and EETypePtr field
int totalSize = (_gcMap.Size + 2) * _target.PointerSize;
// We only need to check for containsPointers because ThreadStatics are always allocated
// on the GC heap (no matter what "HasGCStaticBase" says).
// If that ever changes, we can assume "true" and switch this to an assert.
bool containsPointers = _gcMap.NumSeries > 0;
if (containsPointers)
{
GCDescEncoder.EncodeStandardGCDesc(ref dataBuilder, _gcMap, totalSize, 0);
}
Debug.Assert(dataBuilder.CountBytes == Offset);
dataBuilder.EmitShort(0); // ComponentSize is always 0
short flags = 0;
if (containsPointers)
flags |= (short)EETypeFlags.HasPointersFlag;
dataBuilder.EmitShort(flags);
totalSize = Math.Max(totalSize, _target.PointerSize * 3); // minimum GC eetype size is 3 pointers
dataBuilder.EmitInt(totalSize);
// Related type: System.Object. This allows storing an instance of this type in an array of objects.
dataBuilder.EmitPointerReloc(factory.NecessaryTypeSymbol(factory.TypeSystemContext.GetWellKnownType(WellKnownType.Object)));
return dataBuilder.ToObjectData();
}
public override ObjectData GetData(NodeFactory factory, bool relocsOnly)
{
ObjectDataBuilder dataBuilder = new ObjectDataBuilder(factory);
dataBuilder.Alignment = 16;
dataBuilder.DefinedSymbols.Add(this);
bool hasPointers = NumSeries > 0;
if (hasPointers)
{
for (int i = ((_runLengths.Length / 2) * 2) - 1; i >= 0; i--)
{
if (_targetPointerSize == 4)
{
dataBuilder.EmitInt(_runLengths[i]);
}
else
{
dataBuilder.EmitLong(_runLengths[i]);
}
}
if (_targetPointerSize == 4)
{
dataBuilder.EmitInt(NumSeries);
}
else
{
dataBuilder.EmitLong(NumSeries);
}
}
int totalSize = 0;
foreach (int run in _runLengths)
{
totalSize += run * _targetPointerSize;
}
dataBuilder.EmitShort(0); // ComponentSize is always 0
if (hasPointers)
dataBuilder.EmitShort(0x20); // TypeFlags.HasPointers
else
dataBuilder.EmitShort(0x00);
totalSize = Math.Max(totalSize, _targetPointerSize * 3); // minimum GC eetype size is 3 pointers
dataBuilder.EmitInt(totalSize);
return dataBuilder.ToObjectData();
}
private void OutputComponentSize(ref ObjectDataBuilder objData)
{
if (_type.IsArray)
{
objData.EmitShort((short)((ArrayType)_type).ElementType.GetElementSize());
}
else if (_type.IsString)
{
objData.EmitShort(2);
}
else
{
objData.EmitShort(0);
}
}
public override ObjectData GetData(NodeFactory factory, bool relocsOnly = false)
{
ObjectDataBuilder objData = new ObjectDataBuilder(factory);
objData.Alignment = 16;
objData.DefinedSymbols.Add(this);
if (!relocsOnly)
{
var entries = BuildDispatchMap(factory);
objData.EmitInt(entries.Length);
foreach (var entry in entries)
{
objData.EmitShort(entry.InterfaceIndex);
objData.EmitShort(entry.InterfaceMethodSlot);
objData.EmitShort(entry.ImplementationMethodSlot);
}
}
return objData.ToObjectData();
}
void EmitDispatchMap(ref ObjectDataBuilder builder, NodeFactory factory)
{
var entryCountReservation = builder.ReserveInt();
int entryCount = 0;
for (int interfaceIndex = 0; interfaceIndex < _type.RuntimeInterfaces.Length; interfaceIndex++)
{
var interfaceType = _type.RuntimeInterfaces[interfaceIndex];
Debug.Assert(interfaceType.IsInterface);
IReadOnlyList<MethodDesc> virtualSlots = factory.VTable(interfaceType).Slots;
for (int interfaceMethodSlot = 0; interfaceMethodSlot < virtualSlots.Count; interfaceMethodSlot++)
{
MethodDesc declMethod = virtualSlots[interfaceMethodSlot];
var implMethod = _type.GetClosestDefType().ResolveInterfaceMethodToVirtualMethodOnType(declMethod);
// Interface methods first implemented by a base type in the hierarchy will return null for the implMethod (runtime interface
// dispatch will walk the inheritance chain).
if (implMethod != null)
{
builder.EmitShort(checked((short)interfaceIndex));
builder.EmitShort(checked((short)interfaceMethodSlot));
builder.EmitShort(checked((short)VirtualMethodSlotHelper.GetVirtualMethodSlot(factory, implMethod)));
entryCount++;
}
}
}
builder.EmitInt(entryCountReservation, entryCount);
}
private void OutputVirtualSlotAndInterfaceCount(NodeFactory factory, ref ObjectDataBuilder objData)
{
if (!_constructed)
{
objData.EmitShort(0);
objData.EmitShort(0);
return;
}
Debug.Assert(!_type.IsGenericDefinition);
int virtualSlotCount = 0;
TypeDesc currentTypeSlice = _type.GetClosestMetadataType();
while (currentTypeSlice != null)
{
virtualSlotCount += factory.VTable(currentTypeSlice).Slots.Count;
currentTypeSlice = currentTypeSlice.BaseType;
}
objData.EmitShort(checked((short)virtualSlotCount));
objData.EmitShort(checked((short)_type.RuntimeInterfaces.Length));
}
private void OutputVirtualSlotAndInterfaceCount(NodeFactory factory, ref ObjectDataBuilder objData)
{
if (!_constructed)
{
objData.EmitShort(0);
objData.EmitShort(0);
return;
}
int virtualSlotCount = 0;
TypeDesc currentTypeSlice = _type;
while (currentTypeSlice != null)
{
List<MethodDesc> virtualSlots;
factory.VirtualSlots.TryGetValue(currentTypeSlice, out virtualSlots);
if (virtualSlots != null)
{
virtualSlotCount += virtualSlots.Count;
}
currentTypeSlice = currentTypeSlice.BaseType;
}
objData.EmitShort(checked((short)virtualSlotCount));
objData.EmitShort(checked((short)_type.RuntimeInterfaces.Length));
}
public override ObjectData GetData(NodeFactory factory, bool relocsOnly)
{
ObjectDataBuilder dataBuilder = new ObjectDataBuilder(factory);
dataBuilder.Alignment = 16;
dataBuilder.DefinedSymbols.Add(this);
// +2 for SyncBlock and EETypePtr field
int totalSize = (_gcMap.Size + 2) * _target.PointerSize;
// We only need to check for containsPointers because ThreadStatics are always allocated
// on the GC heap (no matter what "HasGCStaticBase" says).
// If that ever changes, we can assume "true" and switch this to an assert.
bool containsPointers = _gcMap.NumSeries > 0;
if (containsPointers)
{
GCDescEncoder.EncodeStandardGCDesc(ref dataBuilder, _gcMap, totalSize, 0);
}
Debug.Assert(dataBuilder.CountBytes == ((ISymbolNode)this).Offset);
dataBuilder.EmitShort(0); // ComponentSize is always 0
short flags = 0;
if (containsPointers)
flags |= (short)EETypeFlags.HasPointersFlag;
dataBuilder.EmitShort(flags);
totalSize = Math.Max(totalSize, _target.PointerSize * 3); // minimum GC eetype size is 3 pointers
dataBuilder.EmitInt(totalSize);
// This is just so that EEType::Validate doesn't blow up at runtime
dataBuilder.EmitPointerReloc(this); // Related type: itself
return dataBuilder.ToObjectData();
}
public override ObjectData GetData(NodeFactory factory, bool relocsOnly = false)
{
ObjectDataBuilder builder = new ObjectDataBuilder(factory);
builder.Alignment = factory.Target.PointerSize;
builder.DefinedSymbols.Add(this);
// Don't bother sorting if we're not emitting the contents
if (!relocsOnly)
{
_items.Sort((x, y) => Comparer <int> .Default.Compare((int)x.Id, (int)y.Id));
}
// ReadyToRunHeader.Magic
builder.EmitInt((int)(ReadyToRunHeaderConstants.Signature));
// ReadyToRunHeader.MajorVersion
builder.EmitShort((short)(ReadyToRunHeaderConstants.CurrentMajorVersion));
builder.EmitShort((short)(ReadyToRunHeaderConstants.CurrentMinorVersion));
// ReadyToRunHeader.Flags
builder.EmitInt(0);
// ReadyToRunHeader.NumberOfSections
var sectionCountReservation = builder.ReserveShort();
// ReadyToRunHeader.EntrySize
builder.EmitByte((byte)(8 + 2 * factory.Target.PointerSize));
// ReadyToRunHeader.EntryType
builder.EmitByte(1);
int count = 0;
foreach (var item in _items)
{
// Skip empty entries
if (item.Node.ShouldSkipEmittingObjectNode(factory))
{
continue;
}
builder.EmitInt((int)item.Id);
ModuleInfoFlags flags = 0;
if (item.EndSymbol != null)
{
flags |= ModuleInfoFlags.HasEndPointer;
}
builder.EmitInt((int)flags);
builder.EmitPointerReloc(item.StartSymbol);
if (item.EndSymbol != null)
{
builder.EmitPointerReloc(item.EndSymbol);
}
else
{
builder.EmitZeroPointer();
}
count++;
}
builder.EmitShort(sectionCountReservation, checked ((short)count));
return(builder.ToObjectData());
}
protected override void OutputVirtualSlotAndInterfaceCount(NodeFactory factory, ref ObjectDataBuilder objData)
{
int virtualSlotCount = 0;
TypeDesc currentTypeSlice = _type.GetClosestDefType();
while (currentTypeSlice != null)
{
if (currentTypeSlice.HasGenericDictionarySlot())
virtualSlotCount++;
virtualSlotCount += factory.VTable(currentTypeSlice).Slots.Count;
currentTypeSlice = currentTypeSlice.BaseType;
}
objData.EmitShort(checked((short)virtualSlotCount));
objData.EmitShort(checked((short)_type.RuntimeInterfaces.Length));
}
public override ObjectData GetData(NodeFactory factory, bool relocsOnly = false)
{
ObjectDataBuilder builder = new ObjectDataBuilder(factory);
builder.Alignment = factory.Target.PointerSize;
builder.DefinedSymbols.Add(this);
// Don't bother sorting if we're not emitting the contents
if (!relocsOnly)
_items.Sort((x, y) => Comparer<int>.Default.Compare((int)x.Id, (int)y.Id));
// ReadyToRunHeader.Magic
builder.EmitInt((int)(ReadyToRunHeaderConstants.Signature));
// ReadyToRunHeader.MajorVersion
builder.EmitShort((short)(ReadyToRunHeaderConstants.CurrentMajorVersion));
builder.EmitShort((short)(ReadyToRunHeaderConstants.CurrentMinorVersion));
// ReadyToRunHeader.Flags
builder.EmitInt(0);
// ReadyToRunHeader.NumberOfSections
var sectionCountReservation = builder.ReserveShort();
// ReadyToRunHeader.EntrySize
builder.EmitByte((byte)(8 + 2 * factory.Target.PointerSize));
// ReadyToRunHeader.EntryType
builder.EmitByte(1);
int count = 0;
foreach (var item in _items)
{
// Skip empty entries
if (item.Node.ShouldSkipEmittingObjectNode(factory))
continue;
builder.EmitInt((int)item.Id);
ModuleInfoFlags flags = 0;
if (item.EndSymbol != null)
{
flags |= ModuleInfoFlags.HasEndPointer;
}
builder.EmitInt((int)flags);
builder.EmitPointerReloc(item.StartSymbol);
if (item.EndSymbol != null)
{
builder.EmitPointerReloc(item.EndSymbol);
}
else
{
builder.EmitZeroPointer();
}
count++;
}
builder.EmitShort(sectionCountReservation, checked((short)count));
return builder.ToObjectData();
}
protected virtual void OutputVirtualSlotAndInterfaceCount(NodeFactory factory, ref ObjectDataBuilder objData)
{
objData.EmitShort(0);
objData.EmitShort(0);
}
private void OutputComponentSize(ref ObjectDataBuilder objData)
{
if (_type.IsArray)
{
int elementSize = ((ArrayType)_type).ElementType.GetElementSize();
if (elementSize >= 64 * 1024)
{
// TODO: Array of type 'X' cannot be created because base value type is too large.
throw new TypeLoadException();
}
objData.EmitShort((short)elementSize);
}
else if (_type.IsString)
{
objData.EmitShort(2);
}
else
{
objData.EmitShort(0);
}
}
private void OutputVirtualSlotAndInterfaceCount(NodeFactory factory, ref ObjectDataBuilder objData)
{
int virtualSlotCount = 0;
TypeDesc currentTypeSlice = _type;
while (currentTypeSlice != null)
{
List<MethodDesc> virtualSlots;
factory.VirtualSlots.TryGetValue(currentTypeSlice, out virtualSlots);
if (virtualSlots != null)
{
virtualSlotCount += virtualSlots.Count;
}
currentTypeSlice = currentTypeSlice.BaseType;
}
objData.EmitShort(checked((short)virtualSlotCount));
// Todo: Number of slots of EEInterfaceInfo when we add interface support
objData.EmitShort(0);
}
protected virtual void OutputVirtualSlotAndInterfaceCount(NodeFactory factory, ref ObjectDataBuilder objData)
{
objData.EmitShort(0);
objData.EmitShort(0);
}
private void OutputComponentSize(ref ObjectDataBuilder objData)
{
if (_type.IsArray)
{
int elementSize = ((ArrayType)_type).ElementType.GetElementSize();
// We validated that this will fit the short when the node was constructed. No need for nice messages.
objData.EmitShort((short)checked((ushort)elementSize));
}
else if (_type.IsString)
{
objData.EmitShort(2);
}
else
{
objData.EmitShort(0);
}
}
public override ObjectData GetData(NodeFactory factory, bool relocsOnly)
{
ObjectDataBuilder objData = new ObjectDataBuilder(factory);
objData.Alignment = 16;
objData.DefinedSymbols.Add(this);
if (_type.IsArray)
{
objData.EmitShort((short)((ArrayType)_type).ElementType.GetElementSize()); // m_ComponentSize
objData.EmitShort(0x4); // m_flags: IsArray(0x4)
}
else if (_type.IsString)
{
objData.EmitShort(2); // m_ComponentSize
objData.EmitShort(0); // m_flags: 0
}
else
{
objData.EmitShort(0); // m_ComponentSize
objData.EmitShort(0); // m_flags: 0
}
int pointerSize = _type.Context.Target.PointerSize;
int minimumObjectSize = pointerSize * 3;
int objectSize;
if (_type is MetadataType)
{
objectSize = pointerSize +
((MetadataType)_type).InstanceByteCount; // +pointerSize for SyncBlock
}
else if (_type is ArrayType)
{
objectSize = 3 * pointerSize; // SyncBlock + EETypePtr + Length
int rank = ((ArrayType)_type).Rank;
if (rank > 1)
objectSize +=
2 * _type.Context.GetWellKnownType(WellKnownType.Int32).GetElementSize() * rank;
}
else
throw new NotImplementedException();
objectSize = AlignmentHelper.AlignUp(objectSize, pointerSize);
objectSize = Math.Max(minimumObjectSize, objectSize);
if (_type.IsString)
{
// If this is a string, throw away objectSize we computed so far. Strings are special.
// SyncBlock + EETypePtr + length + firstChar
objectSize = 2 * pointerSize +
_type.Context.GetWellKnownType(WellKnownType.Int32).GetElementSize() +
_type.Context.GetWellKnownType(WellKnownType.Char).GetElementSize();
}
objData.EmitInt(objectSize);
if (Type.BaseType != null)
{
if (_constructed)
{
objData.EmitPointerReloc(factory.ConstructedTypeSymbol(Type.BaseType));
}
else
{
objData.EmitPointerReloc(factory.NecessaryTypeSymbol(Type.BaseType));
}
}
else
{
objData.EmitZeroPointer();
}
if (_constructed)
{
OutputVirtualSlots(ref objData, _type, _type, factory);
}
return objData.ToObjectData();
}
private void OutputFlags(NodeFactory factory, ref ObjectDataBuilder objData)
{
UInt16 flags = EETypeBuilderHelpers.ComputeFlags(_type);
// Todo: RelatedTypeViaIATFlag when we support cross-module EETypes
// Todo: GenericVarianceFlag when we support variance
// Todo: Generic Type Definition EETypes
if (_optionalFieldsBuilder.IsAtLeastOneFieldUsed())
{
flags |= (UInt16)EETypeFlags.OptionalFieldsFlag;
}
objData.EmitShort((short)flags);
}
private void OutputFlags(NodeFactory factory, ref ObjectDataBuilder objData)
{
UInt16 flags = EETypeBuilderHelpers.ComputeFlags(_type);
if (_type.GetTypeDefinition() == factory.ArrayOfTEnumeratorType)
{
// Generic array enumerators use special variance rules recognized by the runtime
flags |= (UInt16)EETypeFlags.GenericVarianceFlag;
}
// Todo: RelatedTypeViaIATFlag when we support cross-module EETypes
// Todo: Generic Type Definition EETypes
if (HasOptionalFields)
{
flags |= (UInt16)EETypeFlags.OptionalFieldsFlag;
}
objData.EmitShort((short)flags);
}