private object TryParseNativeSignatureWorker(TypeSystemContext typeSystemContext, TypeManagerHandle moduleHandle, ref NativeParser parser, RuntimeTypeHandle[] typeGenericArgumentHandles, RuntimeTypeHandle[] methodGenericArgumentHandles, bool isMethodSignature)
{
Instantiation typeGenericArguments = typeSystemContext.ResolveRuntimeTypeHandles(typeGenericArgumentHandles ?? Array.Empty<RuntimeTypeHandle>());
Instantiation methodGenericArguments = typeSystemContext.ResolveRuntimeTypeHandles(methodGenericArgumentHandles ?? Array.Empty<RuntimeTypeHandle>());
NativeLayoutInfoLoadContext nativeLayoutContext = new NativeLayoutInfoLoadContext();
nativeLayoutContext._module = ModuleList.GetModuleInfoByHandle(moduleHandle);
nativeLayoutContext._typeSystemContext = typeSystemContext;
nativeLayoutContext._typeArgumentHandles = typeGenericArguments;
nativeLayoutContext._methodArgumentHandles = methodGenericArguments;
if (isMethodSignature)
return nativeLayoutContext.GetMethod(ref parser);
else
return nativeLayoutContext.GetType(ref parser);
}
internal static GenericDictionaryCell ParseAndCreateCell(NativeLayoutInfoLoadContext nativeLayoutInfoLoadContext, ref NativeParser parser)
{
GenericDictionaryCell cell;
var kind = parser.GetFixupSignatureKind();
switch (kind)
{
case FixupSignatureKind.TypeHandle:
{
var type = nativeLayoutInfoLoadContext.GetType(ref parser);
TypeLoaderLogger.WriteLine("TypeHandle: " + type.ToString());
cell = new TypeHandleCell() { Type = type };
}
break;
case FixupSignatureKind.InterfaceCall:
{
var interfaceType = nativeLayoutInfoLoadContext.GetType(ref parser);
var slot = parser.GetUnsigned();
TypeLoaderLogger.WriteLine("InterfaceCall: " + interfaceType.ToString() + ", slot #" + slot.LowLevelToString());
cell = new InterfaceCallCell() { InterfaceType = interfaceType, Slot = (int)slot };
}
break;
case FixupSignatureKind.MethodDictionary:
{
var genericMethod = nativeLayoutInfoLoadContext.GetMethod(ref parser);
Debug.Assert(genericMethod.Instantiation.Length > 0);
TypeLoaderLogger.WriteLine("MethodDictionary: " + genericMethod.ToString());
cell = new MethodDictionaryCell { GenericMethod = (InstantiatedMethod)genericMethod };
}
break;
case FixupSignatureKind.StaticData:
{
var type = nativeLayoutInfoLoadContext.GetType(ref parser);
StaticDataKind staticDataKind = (StaticDataKind)parser.GetUnsigned();
TypeLoaderLogger.WriteLine("StaticData (" + (staticDataKind == StaticDataKind.Gc ? "Gc" : "NonGc") + ": " + type.ToString());
cell = new StaticDataCell() { DataKind = staticDataKind, Type = type };
}
break;
case FixupSignatureKind.UnwrapNullableType:
{
var type = nativeLayoutInfoLoadContext.GetType(ref parser);
TypeLoaderLogger.WriteLine("UnwrapNullableType of: " + type.ToString());
cell = new UnwrapNullableTypeCell() { Type = (DefType)type };
}
break;
case FixupSignatureKind.FieldLdToken:
{
NativeParser ldtokenSigParser = parser.GetParserFromRelativeOffset();
var type = nativeLayoutInfoLoadContext.GetType(ref ldtokenSigParser);
IntPtr fieldNameSig = ldtokenSigParser.Reader.OffsetToAddress(ldtokenSigParser.Offset);
TypeLoaderLogger.WriteLine("LdToken on: " + type.ToString() + "." + ldtokenSigParser.GetString());
cell = new FieldLdTokenCell() { FieldName = fieldNameSig, ContainingType = type };
}
break;
case FixupSignatureKind.MethodLdToken:
{
NativeParser ldtokenSigParser = parser.GetParserFromRelativeOffset();
IntPtr methodNameSigPtr;
IntPtr methodSigPtr;
var method = nativeLayoutInfoLoadContext.GetMethod(ref ldtokenSigParser, out methodNameSigPtr, out methodSigPtr);
TypeLoaderLogger.WriteLine("LdToken on: " + method.OwningType.ToString() + "::" + method.NameAndSignature.Name);
cell = new MethodLdTokenCell
{
Method = method,
MethodName = methodNameSigPtr,
MethodSignature = RuntimeMethodSignature.CreateFromNativeLayoutSignature(methodSigPtr)
};
}
break;
case FixupSignatureKind.TypeSize:
{
var type = nativeLayoutInfoLoadContext.GetType(ref parser);
TypeLoaderLogger.WriteLine("TypeSize: " + type.ToString());
cell = new TypeSizeCell() { Type = type };
}
break;
case FixupSignatureKind.FieldOffset:
{
var type = (DefType)nativeLayoutInfoLoadContext.GetType(ref parser);
uint ordinal = parser.GetUnsigned();
TypeLoaderLogger.WriteLine("FieldOffset on: " + type.ToString());
cell = new FieldOffsetCell() { Ordinal = ordinal, ContainingType = type };
}
break;
case FixupSignatureKind.VTableOffset:
{
var type = nativeLayoutInfoLoadContext.GetType(ref parser);
var vtableSlot = parser.GetUnsigned();
TypeLoaderLogger.WriteLine("VTableOffset on: " + type.ToString() + ", slot: " + vtableSlot.LowLevelToString());
cell = new VTableOffsetCell() { ContainingType = type, VTableSlot = vtableSlot };
}
break;
case FixupSignatureKind.AllocateObject:
{
var type = nativeLayoutInfoLoadContext.GetType(ref parser);
TypeLoaderLogger.WriteLine("AllocateObject on: " + type.ToString());
cell = new AllocateObjectCell { Type = type };
}
break;
case FixupSignatureKind.DefaultConstructor:
{
var type = nativeLayoutInfoLoadContext.GetType(ref parser);
TypeLoaderLogger.WriteLine("DefaultConstructor on: " + type.ToString());
cell = new DefaultConstructorCell { Type = type };
}
break;
case FixupSignatureKind.TlsIndex:
{
var type = nativeLayoutInfoLoadContext.GetType(ref parser);
TypeLoaderLogger.WriteLine("TlsIndex on: " + type.ToString());
cell = new TlsIndexCell { Type = type };
}
break;
case FixupSignatureKind.TlsOffset:
{
var type = nativeLayoutInfoLoadContext.GetType(ref parser);
TypeLoaderLogger.WriteLine("TlsOffset on: " + type.ToString());
cell = new TlsOffsetCell { Type = type };
}
break;
case FixupSignatureKind.Method:
{
IntPtr methodSigPtr;
IntPtr methodNameSigPtr;
var method = nativeLayoutInfoLoadContext.GetMethod(ref parser, out methodNameSigPtr, out methodSigPtr);
TypeLoaderLogger.WriteLine("Method: " + method.ToString());
cell = new MethodCell
{
Method = method,
MethodSignature = RuntimeMethodSignature.CreateFromNativeLayoutSignature(methodSigPtr)
};
}
break;
case FixupSignatureKind.NonGenericDirectConstrainedMethod:
{
var constraintType = nativeLayoutInfoLoadContext.GetType(ref parser);
var constrainedMethodType = nativeLayoutInfoLoadContext.GetType(ref parser);
var constrainedMethodSlot = parser.GetUnsigned();
TypeLoaderLogger.WriteLine("NonGenericDirectConstrainedMethod: " + constraintType.ToString() + " Method " + constrainedMethodType.ToString() + ", slot #" + constrainedMethodSlot.LowLevelToString());
cell = new NonGenericDirectConstrainedMethodCell()
{
ConstraintType = constraintType,
ConstrainedMethodType = constrainedMethodType,
ConstrainedMethodSlot = (int)constrainedMethodSlot
};
}
break;
case FixupSignatureKind.NonGenericConstrainedMethod:
{
var constraintType = nativeLayoutInfoLoadContext.GetType(ref parser);
var constrainedMethodType = nativeLayoutInfoLoadContext.GetType(ref parser);
var constrainedMethodSlot = parser.GetUnsigned();
TypeLoaderLogger.WriteLine("NonGenericConstrainedMethod: " + constraintType.ToString() + " Method " + constrainedMethodType.ToString() + ", slot #" + constrainedMethodSlot.LowLevelToString());
cell = new NonGenericConstrainedMethodCell()
{
ConstraintType = constraintType,
ConstrainedMethodType = constrainedMethodType,
ConstrainedMethodSlot = (int)constrainedMethodSlot
};
}
break;
case FixupSignatureKind.GenericConstrainedMethod:
{
var constraintType = nativeLayoutInfoLoadContext.GetType(ref parser);
NativeParser ldtokenSigParser = parser.GetParserFromRelativeOffset();
IntPtr methodNameSigPtr;
IntPtr methodSigPtr;
var method = nativeLayoutInfoLoadContext.GetMethod(ref ldtokenSigParser, out methodNameSigPtr, out methodSigPtr);
TypeLoaderLogger.WriteLine("GenericConstrainedMethod: " + constraintType.ToString() + " Method " + method.OwningType.ToString() + "::" + method.NameAndSignature.Name);
cell = new GenericConstrainedMethodCell()
{
ConstraintType = constraintType,
ConstrainedMethod = method,
MethodName = methodNameSigPtr,
MethodSignature = RuntimeMethodSignature.CreateFromNativeLayoutSignature(methodSigPtr)
};
}
break;
case FixupSignatureKind.IsInst:
case FixupSignatureKind.CastClass:
{
var type = nativeLayoutInfoLoadContext.GetType(ref parser);
TypeLoaderLogger.WriteLine("Casting on: " + type.ToString());
cell = new CastingCell { Type = type, Throwing = (kind == FixupSignatureKind.CastClass) };
}
break;
case FixupSignatureKind.AllocateArray:
{
var type = nativeLayoutInfoLoadContext.GetType(ref parser);
TypeLoaderLogger.WriteLine("AllocateArray on: " + type.ToString());
cell = new AllocateArrayCell { Type = type };
}
break;
case FixupSignatureKind.CheckArrayElementType:
{
var type = nativeLayoutInfoLoadContext.GetType(ref parser);
TypeLoaderLogger.WriteLine("CheckArrayElementType on: " + type.ToString());
cell = new CheckArrayElementTypeCell { Type = type };
}
break;
case FixupSignatureKind.CallingConventionConverter:
{
NativeFormat.CallingConventionConverterKind flags = (NativeFormat.CallingConventionConverterKind)parser.GetUnsigned();
NativeParser sigParser = parser.GetParserFromRelativeOffset();
IntPtr signature = sigParser.Reader.OffsetToAddress(sigParser.Offset);
#if TYPE_LOADER_TRACE
TypeLoaderLogger.WriteLine("CallingConventionConverter on: ");
TypeLoaderLogger.WriteLine(" -> Flags: " + ((int)flags).LowLevelToString());
TypeLoaderLogger.WriteLine(" -> Signature: " + signature.LowLevelToString());
for (int i = 0; !nativeLayoutInfoLoadContext._typeArgumentHandles.IsNull && i < nativeLayoutInfoLoadContext._typeArgumentHandles.Length; i++)
TypeLoaderLogger.WriteLine(" -> TypeArg[" + i.LowLevelToString() + "]: " + nativeLayoutInfoLoadContext._typeArgumentHandles[i]);
for (int i = 0; !nativeLayoutInfoLoadContext._methodArgumentHandles.IsNull && i < nativeLayoutInfoLoadContext._methodArgumentHandles.Length; i++)
TypeLoaderLogger.WriteLine(" -> MethodArg[" + i.LowLevelToString() + "]: " + nativeLayoutInfoLoadContext._methodArgumentHandles[i]);
#endif
cell = new CallingConventionConverterCell
{
Flags = flags,
Signature = RuntimeMethodSignature.CreateFromNativeLayoutSignature(signature),
MethodArgs = nativeLayoutInfoLoadContext._methodArgumentHandles,
TypeArgs = nativeLayoutInfoLoadContext._typeArgumentHandles
};
}
break;
case FixupSignatureKind.NotYetSupported:
TypeLoaderLogger.WriteLine("Valid dictionary entry, but not yet supported by the TypeLoader!");
throw new TypeBuilder.MissingTemplateException();
default:
parser.ThrowBadImageFormatException();
cell = null;
break;
}
return cell;
}
private object TryParseNativeSignatureWorker(TypeSystemContext typeSystemContext, IntPtr moduleHandle, ref NativeParser parser, RuntimeTypeHandle[] typeGenericArgumentHandles, RuntimeTypeHandle[] methodGenericArgumentHandles, bool isMethodSignature)
{
Instantiation typeGenericArguments = typeSystemContext.ResolveRuntimeTypeHandles(typeGenericArgumentHandles ?? Array.Empty<RuntimeTypeHandle>());
Instantiation methodGenericArguments = typeSystemContext.ResolveRuntimeTypeHandles(methodGenericArgumentHandles ?? Array.Empty<RuntimeTypeHandle>());
NativeLayoutInfoLoadContext nativeLayoutContext = new NativeLayoutInfoLoadContext();
nativeLayoutContext._moduleHandle = moduleHandle;
nativeLayoutContext._typeSystemContext = typeSystemContext;
nativeLayoutContext._typeArgumentHandles = typeGenericArguments;
nativeLayoutContext._methodArgumentHandles = methodGenericArguments;
if (isMethodSignature)
return nativeLayoutContext.GetMethod(ref parser);
else
return nativeLayoutContext.GetType(ref parser);
}
private static InstantiatedMethod TryGetGenericMethodTemplate_Internal(InstantiatedMethod concreteMethod, CanonicalFormKind kind, out NativeFormatModuleInfo nativeLayoutInfoModule, out uint nativeLayoutInfoToken)
{
nativeLayoutInfoModule = null;
nativeLayoutInfoToken = 0;
var canonForm = concreteMethod.GetCanonMethodTarget(kind);
var hashCode = canonForm.GetHashCode();
foreach (NativeFormatModuleInfo moduleInfo in ModuleList.EnumerateModules())
{
NativeReader nativeLayoutReader = TypeLoaderEnvironment.GetNativeLayoutInfoReader(moduleInfo.Handle);
if (nativeLayoutReader == null)
{
continue;
}
NativeHashtable genericMethodTemplatesHashtable = LoadHashtable(moduleInfo, ReflectionMapBlob.GenericMethodsTemplateMap, out _);
if (genericMethodTemplatesHashtable.IsNull)
{
continue;
}
var context = new NativeLayoutInfoLoadContext
{
_typeSystemContext = concreteMethod.Context,
_typeArgumentHandles = concreteMethod.OwningType.Instantiation,
_methodArgumentHandles = concreteMethod.Instantiation,
_module = moduleInfo
};
var enumerator = genericMethodTemplatesHashtable.Lookup(hashCode);
NativeParser entryParser;
while (!(entryParser = enumerator.GetNext()).IsNull)
{
var methodSignatureParser = new NativeParser(nativeLayoutReader, entryParser.GetUnsigned());
// Get the unified generic method holder and convert it to its canonical form
var candidateTemplate = (InstantiatedMethod)context.GetMethod(ref methodSignatureParser);
Debug.Assert(candidateTemplate.Instantiation.Length > 0);
if (canonForm == candidateTemplate.GetCanonMethodTarget(kind))
{
TypeLoaderLogger.WriteLine("Found template for generic method " + concreteMethod.ToString() + ": " + candidateTemplate.ToString());
nativeLayoutInfoModule = moduleInfo;
nativeLayoutInfoToken = entryParser.GetUnsigned();
if (nativeLayoutInfoToken == BadTokenFixupValue)
{
// TODO: once multifile gets fixed up, make this throw a BadImageFormatException
TypeLoaderLogger.WriteLine("ERROR: template not fixed up, skipping");
continue;
}
Debug.Assert(
(kind != CanonicalFormKind.Universal) ||
(kind == CanonicalFormKind.Universal && candidateTemplate == candidateTemplate.GetCanonMethodTarget(kind)));
return(candidateTemplate);
}
}
}
TypeLoaderLogger.WriteLine("ERROR: Cannot find a suitable template for generic method " + concreteMethod.ToString());
return(null);
}
private InstantiatedMethod TryGetGenericMethodTemplate_Internal(InstantiatedMethod concreteMethod, CanonicalFormKind kind, out IntPtr nativeLayoutInfoModule, out uint nativeLayoutInfoToken)
{
nativeLayoutInfoModule = default(IntPtr);
nativeLayoutInfoToken = 0;
var canonForm = concreteMethod.GetCanonMethodTarget(kind);
var hashCode = canonForm.GetHashCode();
var loadedModulesCount = RuntimeAugments.GetLoadedModules(null);
var loadedModuleHandles = new IntPtr[loadedModulesCount];
var loadedModules = RuntimeAugments.GetLoadedModules(loadedModuleHandles);
Debug.Assert(loadedModulesCount == loadedModules);
foreach (var moduleHandle in loadedModuleHandles)
{
NativeReader nativeLayoutReader = TypeLoaderEnvironment.Instance.GetNativeLayoutInfoReader(moduleHandle);
if (nativeLayoutReader == null)
continue;
ExternalReferencesTable externalFixupsTable;
NativeHashtable genericMethodTemplatesHashtable = LoadHashtable(moduleHandle, ReflectionMapBlob.GenericMethodsTemplateMap, out externalFixupsTable);
if (genericMethodTemplatesHashtable.IsNull)
continue;
var context = new NativeLayoutInfoLoadContext
{
_typeSystemContext = concreteMethod.Context,
_typeArgumentHandles = concreteMethod.OwningType.Instantiation,
_methodArgumentHandles = concreteMethod.Instantiation,
_moduleHandle = moduleHandle
};
var enumerator = genericMethodTemplatesHashtable.Lookup(hashCode);
NativeParser entryParser;
while (!(entryParser = enumerator.GetNext()).IsNull)
{
var methodSignatureParser = new NativeParser(nativeLayoutReader, externalFixupsTable.GetRvaFromIndex(entryParser.GetUnsigned()));
// Get the unified generic method holder and convert it to its canonical form
var candidateTemplate = (InstantiatedMethod)context.GetMethod(ref methodSignatureParser);
Debug.Assert(candidateTemplate.Instantiation.Length > 0);
if (canonForm == candidateTemplate.GetCanonMethodTarget(kind))
{
TypeLoaderLogger.WriteLine("Found template for generic method " + concreteMethod.ToString() + ": " + candidateTemplate.ToString());
nativeLayoutInfoModule = moduleHandle;
nativeLayoutInfoToken = (uint)externalFixupsTable.GetRvaFromIndex(entryParser.GetUnsigned());
if (nativeLayoutInfoToken == BadTokenFixupValue)
{
// TODO: once multifile gets fixed up, make this throw a BadImageFormatException
TypeLoaderLogger.WriteLine("ERROR: template not fixed up, skipping");
continue;
}
Debug.Assert(
(kind != CanonicalFormKind.Universal && candidateTemplate != candidateTemplate.GetCanonMethodTarget(kind)) ||
(kind == CanonicalFormKind.Universal && candidateTemplate == candidateTemplate.GetCanonMethodTarget(kind)));
return candidateTemplate;
}
}
}
TypeLoaderLogger.WriteLine("ERROR: Cannot find a suitable template for generic method " + concreteMethod.ToString());
return null;
}