public override ObjectData GetData(NodeFactory factory, bool relocsOnly = false)
{
ObjectDataBuilder builder = new ObjectDataBuilder(factory);
builder.DefinedSymbols.Add(this);
//
// Emit a MethodFixupCell struct
//
// Address (to be fixed up at runtime)
builder.EmitZeroPointer();
// Entry point name
if (factory.Target.IsWindows && _entryPointName.StartsWith("#", StringComparison.OrdinalIgnoreCase))
{
// Windows-specific ordinal import
// CLR-compatible behavior: Strings that can't be parsed as a signed integer are treated as zero.
int entrypointOrdinal;
if (!int.TryParse(_entryPointName.Substring(1), out entrypointOrdinal))
entrypointOrdinal = 0;
// CLR-compatible behavior: Ordinal imports are 16-bit on Windows. Discard rest of the bits.
builder.EmitNaturalInt((ushort)entrypointOrdinal);
}
else
{
// Import by name
builder.EmitPointerReloc(factory.ConstantUtf8String(_entryPointName));
}
// Module fixup cell
builder.EmitPointerReloc(factory.PInvokeModuleFixup(_moduleName));
return builder.ToObjectData();
}
public override void EmitDictionaryEntry(ref ObjectDataBuilder builder, NodeFactory factory, Instantiation typeInstantiation, Instantiation methodInstantiation)
{
ThreadStaticsNode targetNode = (ThreadStaticsNode)GetTarget(factory, typeInstantiation, methodInstantiation);
int typeTlsIndex = factory.ThreadStaticsRegion.IndexOfEmbeddedObject(targetNode);
builder.EmitNaturalInt(typeTlsIndex);
}
public override void EmitDictionaryEntry(ref ObjectDataBuilder builder, NodeFactory factory, Instantiation typeInstantiation, Instantiation methodInstantiation, GenericDictionaryNode dictionary)
{
FieldDesc instantiatedField = _field.InstantiateSignature(typeInstantiation, methodInstantiation);
int offset = instantiatedField.Offset.AsInt;
builder.EmitNaturalInt(offset);
}
public override ObjectData GetData(NodeFactory factory, bool relocsOnly)
{
ObjectDataBuilder builder = new ObjectDataBuilder(factory, relocsOnly);
builder.RequireInitialPointerAlignment();
builder.AddSymbol(this);
builder.AddSymbol(StartSymbol);
builder.EmitInt(1);
builder.EmitInt(_importNodes.Count);
builder.EmitPointerReloc(factory.ExternSymbol(ExportTableToImportSymbol));
if (!relocsOnly)
{
FinalizeOffsets();
foreach (MrtImportNode node in _importNodes)
{
Debug.Assert(((ISymbolDefinitionNode)node).Offset == builder.CountBytes);
builder.AddSymbol(node);
builder.EmitNaturalInt(node.Ordinal);
}
}
EndSymbol.SetSymbolOffset(builder.CountBytes);
builder.AddSymbol(EndSymbol);
ObjectData objData = builder.ToObjectData();
return(objData);
}
public override ObjectData GetData(NodeFactory factory, bool relocsOnly = false)
{
if (relocsOnly)
{
return(new ObjectData(Array.Empty <byte>(), Array.Empty <Relocation>(), 1, new ISymbolDefinitionNode[] { this }));
}
Debug.Assert(_dynamicInvokeMethodContainerType != null);
// Ensure the native layout blob has been saved
factory.MetadataManager.NativeLayoutInfo.SaveNativeLayoutInfoWriter(factory);
ObjectDataBuilder objData = new ObjectDataBuilder(factory, relocsOnly);
objData.RequireInitialPointerAlignment();
objData.AddSymbol(this);
if (factory.Target.SupportsRelativePointers)
{
objData.EmitReloc(factory.NecessaryTypeSymbol(_dynamicInvokeMethodContainerType), RelocType.IMAGE_REL_BASED_RELPTR32);
}
else
{
objData.EmitPointerReloc(factory.NecessaryTypeSymbol(_dynamicInvokeMethodContainerType));
}
List <KeyValuePair <MethodDesc, int> > sortedList = new List <KeyValuePair <MethodDesc, int> >(_methodToTemplateIndex);
sortedList.Sort((firstEntry, secondEntry) => firstEntry.Value.CompareTo(secondEntry.Value));
for (int i = 0; i < sortedList.Count; i++)
{
var nameAndSig = factory.NativeLayout.PlacedSignatureVertex(factory.NativeLayout.MethodNameAndSignatureVertex(sortedList[i].Key));
if (factory.Target.SupportsRelativePointers)
{
objData.EmitInt(nameAndSig.SavedVertex.VertexOffset);
objData.EmitReloc(factory.MethodEntrypoint(sortedList[i].Key), RelocType.IMAGE_REL_BASED_RELPTR32);
}
else
{
objData.EmitNaturalInt(nameAndSig.SavedVertex.VertexOffset);
objData.EmitPointerReloc(factory.MethodEntrypoint(sortedList[i].Key));
}
}
_endSymbol.SetSymbolOffset(objData.CountBytes);
objData.AddSymbol(_endSymbol);
// Prevent further adds now we're done writing
#if DEBUG
if (!relocsOnly)
{
_dataEmitted = true;
}
#endif
return(objData.ToObjectData());
}
public override ObjectData GetData(NodeFactory factory, bool relocsOnly = false)
{
ObjectDataBuilder objData = new ObjectDataBuilder(factory);
// The interface dispatch cell has an alignment requirement of 2 * [Pointer size] as part of the
// synchronization mechanism of the two values in the runtime.
objData.RequireInitialAlignment(_targetMethod.Context.Target.PointerSize * 2);
objData.AddSymbol(this);
if (factory.Target.Architecture == TargetArchitecture.ARM)
{
objData.EmitPointerReloc(factory.InitialInterfaceDispatchStub);
}
else
{
objData.EmitPointerReloc(factory.ExternSymbol("RhpInitialDynamicInterfaceDispatch"));
}
if (factory.Target.Abi == TargetAbi.CoreRT)
{
// TODO: Enable Indirect Pointer for Interface Dispatch Cell. See https://github.com/dotnet/corert/issues/2542
objData.EmitPointerReloc(factory.NecessaryTypeSymbol(_targetMethod.OwningType),
(int)InterfaceDispatchCellCachePointerFlags.CachePointerIsInterfacePointerOrMetadataToken);
}
else
{
if (factory.CompilationModuleGroup.ContainsType(_targetMethod.OwningType))
{
objData.EmitReloc(factory.NecessaryTypeSymbol(_targetMethod.OwningType), RelocType.IMAGE_REL_BASED_RELPTR32,
(int)InterfaceDispatchCellCachePointerFlags.CachePointerIsInterfaceRelativePointer);
}
else
{
objData.EmitReloc(factory.NecessaryTypeSymbol(_targetMethod.OwningType), RelocType.IMAGE_REL_BASED_RELPTR32,
(int)InterfaceDispatchCellCachePointerFlags.CachePointerIsIndirectedInterfaceRelativePointer);
}
if (objData.TargetPointerSize == 8)
{
// IMAGE_REL_BASED_RELPTR is a 32-bit relocation. However, the cell needs a full pointer
// width there since a pointer to the cache will be written into the cell. Emit additional
// 32 bits on targets whose pointer size is 64 bit.
objData.EmitInt(0);
}
}
// End the run of dispatch cells
objData.EmitZeroPointer();
// Avoid consulting VTable slots until they're guaranteed complete during final data emission
if (!relocsOnly)
{
objData.EmitNaturalInt(VirtualMethodSlotHelper.GetVirtualMethodSlot(factory, _targetMethod));
}
return(objData.ToObjectData());
}
public override void EmitDictionaryEntry(ref ObjectDataBuilder builder, NodeFactory factory, Instantiation typeInstantiation, Instantiation methodInstantiation, GenericDictionaryNode dictionary)
{
TypeDesc instantiatedType = _type.InstantiateSignature(typeInstantiation, methodInstantiation);
int typeSize;
if (_type.IsDefType)
{
typeSize = ((DefType)_type).InstanceFieldSize.AsInt;
}
else
{
typeSize = factory.TypeSystemContext.Target.PointerSize;
}
builder.EmitNaturalInt(typeSize);
}
public override ObjectData GetData(NodeFactory factory, bool relocsOnly = false)
{
ObjectDataBuilder builder = new ObjectDataBuilder(factory, relocsOnly);
builder.RequireInitialPointerAlignment();
builder.AddSymbol(this);
//
// Emit a MethodFixupCell struct
//
// Address (to be fixed up at runtime)
builder.EmitZeroPointer();
// Entry point name
string entryPointName = _pInvokeMethodData.EntryPointName;
if (factory.Target.IsWindows && entryPointName.StartsWith("#", StringComparison.OrdinalIgnoreCase))
{
// Windows-specific ordinal import
// CLR-compatible behavior: Strings that can't be parsed as a signed integer are treated as zero.
int entrypointOrdinal;
if (!int.TryParse(entryPointName.Substring(1), out entrypointOrdinal))
{
entrypointOrdinal = 0;
}
// CLR-compatible behavior: Ordinal imports are 16-bit on Windows. Discard rest of the bits.
builder.EmitNaturalInt((ushort)entrypointOrdinal);
}
else
{
// Import by name
builder.EmitPointerReloc(factory.ConstantUtf8String(entryPointName));
}
// Module fixup cell
builder.EmitPointerReloc(factory.PInvokeModuleFixup(_pInvokeMethodData.ModuleData));
builder.EmitInt((int)_pInvokeMethodData.CharSetMangling);
return(builder.ToObjectData());
}
public override ObjectData GetData(NodeFactory factory, bool relocsOnly = false)
{
ObjectDataBuilder objData = new ObjectDataBuilder(factory, relocsOnly);
objData.RequireInitialPointerAlignment();
objData.AddSymbol(this);
int typeTlsIndex = 0;
if (!relocsOnly)
{
var node = factory.TypeThreadStaticsSymbol(_type);
typeTlsIndex = ((ThreadStaticsNode)node).IndexFromBeginningOfArray;
}
objData.EmitPointerReloc(factory.TypeManagerIndirection);
objData.EmitNaturalInt(typeTlsIndex);
return(objData.ToObjectData());
}
public override ObjectData GetData(NodeFactory factory, bool relocsOnly = false)
{
ObjectDataBuilder objData = new ObjectDataBuilder(factory);
objData.Alignment = objData.TargetPointerSize;
objData.DefinedSymbols.Add(this);
int typeTlsIndex = 0;
if (!relocsOnly)
{
var node = factory.TypeThreadStaticsSymbol(_type);
typeTlsIndex = factory.ThreadStaticsRegion.IndexOfEmbeddedObject(node);
}
objData.EmitPointerReloc(factory.TypeManagerIndirection);
objData.EmitNaturalInt(typeTlsIndex);
return(objData.ToObjectData());
}
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 native layout is saved to get valid Vertex offsets
factory.MetadataManager.NativeLayoutInfo.SaveNativeLayoutInfoWriter(factory);
ObjectDataBuilder objData = new ObjectDataBuilder(factory, relocsOnly);
objData.RequireInitialPointerAlignment();
objData.AddSymbol(this);
objData.EmitPointerReloc(factory.TypeManagerIndirection);
objData.EmitNaturalInt(_nativeSignature.SavedVertex.VertexOffset);
return(objData.ToObjectData());
}
public override ObjectData GetData(NodeFactory factory, bool relocsOnly = false)
{
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);
ObjectDataBuilder objData = new ObjectDataBuilder(factory, relocsOnly);
objData.RequireInitialPointerAlignment();
objData.AddSymbol(this);
if (_methodToTemplateIndex == null)
{
BuildMethodToIdMap(factory);
}
TypeDesc containerType = null;
foreach (var method in _methodToTemplateIndex.Keys)
{
Debug.Assert(containerType == null || containerType == method.OwningType);
containerType = method.OwningType;
#if !DEBUG
break;
#endif
}
if (factory.Target.SupportsRelativePointers)
{
objData.EmitReloc(factory.NecessaryTypeSymbol(containerType), RelocType.IMAGE_REL_BASED_RELPTR32);
}
else
{
objData.EmitPointerReloc(factory.NecessaryTypeSymbol(containerType));
}
List <KeyValuePair <MethodDesc, int> > sortedList = new List <KeyValuePair <MethodDesc, int> >(_methodToTemplateIndex);
sortedList.Sort((firstEntry, secondEntry) => firstEntry.Value.CompareTo(secondEntry.Value));
for (int i = 0; i < sortedList.Count; i++)
{
var nameAndSig = factory.NativeLayout.PlacedSignatureVertex(factory.NativeLayout.MethodNameAndSignatureVertex(sortedList[i].Key));
if (factory.Target.SupportsRelativePointers)
{
objData.EmitInt(nameAndSig.SavedVertex.VertexOffset);
objData.EmitReloc(factory.MethodEntrypoint(sortedList[i].Key), RelocType.IMAGE_REL_BASED_RELPTR32);
}
else
{
objData.EmitNaturalInt(nameAndSig.SavedVertex.VertexOffset);
objData.EmitPointerReloc(factory.MethodEntrypoint(sortedList[i].Key));
}
}
_endSymbol.SetSymbolOffset(objData.CountBytes);
objData.AddSymbol(_endSymbol);
return(objData.ToObjectData());
}
public override void EmitDictionaryEntry(ref ObjectDataBuilder builder, NodeFactory factory, Instantiation typeInstantiation, Instantiation methodInstantiation, GenericDictionaryNode dictionary)
{
Debug.Assert(false, "CallingConventionConverterLookupResult contents should only be generated into generic dictionaries at runtime");
builder.EmitNaturalInt(0);
}
protected override void GetElementDataForNodes(ref ObjectDataBuilder builder, NodeFactory factory, bool relocsOnly)
{
if (relocsOnly)
{
return;
}
// The interface dispatch cell has an alignment requirement of 2 * [Pointer size] as part of the
// synchronization mechanism of the two values in the runtime.
builder.RequireInitialAlignment(factory.Target.PointerSize * 2);
// This number chosen to be high enough that the cost of recording slot numbers is cheap.
const int InterfaceDispatchCellRunLength = 32;
const int NoSlot = -1;
//
// We emit the individual dispatch cells in groups. The purpose of the grouping is to save
// us the number of slots we need to emit. The grouping looks like this:
//
// DispatchCell1
// DispatchCell2
// ...
// DispatchCellN
// Null
// Slot of the above dispatch cells
//
int runLength = 0;
int currentSlot = NoSlot;
foreach (InterfaceDispatchCellNode node in NodesList)
{
MethodDesc targetMethod = node.TargetMethod;
int targetSlot = VirtualMethodSlotHelper.GetVirtualMethodSlot(factory, targetMethod, targetMethod.OwningType);
if (currentSlot == NoSlot)
{
// This is the first dispatch cell we're emitting
currentSlot = targetSlot;
}
else if (currentSlot != targetSlot || runLength == InterfaceDispatchCellRunLength)
{
// Make sure we are sorted
Debug.Assert(targetSlot >= currentSlot);
// End the run of dispatch cells
builder.EmitZeroPointer();
builder.EmitNaturalInt(currentSlot);
currentSlot = targetSlot;
runLength = 0;
}
node.InitializeOffsetFromBeginningOfArray(builder.CountBytes);
node.EncodeData(ref builder, factory, relocsOnly);
builder.AddSymbol(node);
runLength++;
}
if (runLength > 0)
{
// End the run of dispatch cells
builder.EmitZeroPointer();
builder.EmitNaturalInt(currentSlot);
}
}
