/// <summary>
/// From a string, get a pointer to an allocated memory location that holds a NativeFormat encoded string.
/// This is used for the creation of RuntimeFieldHandles from metadata.
/// </summary>
/// <param name="str"></param>
/// <returns></returns>
public IntPtr GetNativeFormatStringForString(string str)
{
using (LockHolder.Hold(_typeLoaderLock))
{
IntPtr result;
if (s_nativeFormatStrings.TryGetValue(str, out result))
{
return(result);
}
NativePrimitiveEncoder stringEncoder = new NativePrimitiveEncoder();
stringEncoder.Init();
byte[] utf8Bytes = Encoding.UTF8.GetBytes(str);
stringEncoder.WriteUnsigned(checked ((uint)utf8Bytes.Length));
foreach (byte b in utf8Bytes)
{
stringEncoder.WriteByte(b);
}
IntPtr allocatedNativeFormatString = MemoryHelpers.AllocateMemory(stringEncoder.Size);
unsafe
{
stringEncoder.Save((byte *)allocatedNativeFormatString.ToPointer(), stringEncoder.Size);
}
s_nativeFormatStrings.Add(str, allocatedNativeFormatString);
return(allocatedNativeFormatString);
}
}
public static char Lookup(string entity)
{
char theChar;
s_lookupTable.TryGetValue(entity, out theChar);
return(theChar);
}
private bool TryGetCategoryFlagsForPrimitiveType(out TypeFlags categoryFlags)
{
categoryFlags = 0;
if (_module != _metadataUnit.Context.SystemModule)
{
// Primitive types reside in the system module
return(false);
}
NamespaceDefinition namespaceDef = MetadataReader.GetNamespaceDefinition(_typeDefinition.NamespaceDefinition);
if (namespaceDef.ParentScopeOrNamespace.HandleType != HandleType.NamespaceDefinition)
{
// Primitive types are in the System namespace the parent of which is the root namespace
return(false);
}
if (!namespaceDef.Name.StringEquals("System", MetadataReader))
{
// Namespace name must be 'System'
return(false);
}
NamespaceDefinitionHandle parentNamespaceDefHandle =
namespaceDef.ParentScopeOrNamespace.ToNamespaceDefinitionHandle(MetadataReader);
NamespaceDefinition parentDef = MetadataReader.GetNamespaceDefinition(parentNamespaceDefHandle);
if (parentDef.ParentScopeOrNamespace.HandleType != HandleType.ScopeDefinition)
{
// The root parent namespace should have scope (assembly) handle as its parent
return(false);
}
return(s_primitiveTypes.TryGetValue(Name, out categoryFlags));
}
public unsafe RuntimeFieldHandle GetRuntimeFieldHandleForComponents(RuntimeTypeHandle declaringTypeHandle, IntPtr fieldName)
{
string fieldNameStr = GetStringFromMemoryInNativeFormat(fieldName);
RuntimeFieldHandleKey key = new RuntimeFieldHandleKey(declaringTypeHandle, fieldNameStr);
RuntimeFieldHandle runtimeFieldHandle = default(RuntimeFieldHandle);
lock (_runtimeFieldHandles)
{
if (!_runtimeFieldHandles.TryGetValue(key, out runtimeFieldHandle))
{
IntPtr runtimeFieldHandleValue = MemoryHelpers.AllocateMemory(sizeof(DynamicFieldHandleInfo));
if (runtimeFieldHandleValue == IntPtr.Zero)
{
throw new OutOfMemoryException();
}
DynamicFieldHandleInfo *fieldData = (DynamicFieldHandleInfo *)runtimeFieldHandleValue.ToPointer();
fieldData->DeclaringType = *(IntPtr *)&declaringTypeHandle;
fieldData->FieldName = fieldName;
// Special flag (lowest bit set) in the handle value to indicate it was dynamically allocated
runtimeFieldHandleValue = runtimeFieldHandleValue + 1;
runtimeFieldHandle = *(RuntimeFieldHandle *)&runtimeFieldHandleValue;
_runtimeFieldHandles.Add(key, runtimeFieldHandle);
}
return(runtimeFieldHandle);
}
}
private static IntPtr GetThunkThatDereferencesThisPointerAndTailCallsTarget(IntPtr target)
{
IntPtr result = IntPtr.Zero;
lock (s_deferenceAndCallThunks)
{
if (!s_deferenceAndCallThunks.TryGetValue(target, out result))
{
if (s_DerefThisAndCall_ThunkPoolHeap == null)
{
s_DerefThisAndCall_ThunkPoolHeap = RuntimeAugments.CreateThunksHeap(s_constrainedCallSupport_DerefThisAndCall_CommonCallingStub);
Debug.Assert(s_DerefThisAndCall_ThunkPoolHeap != null);
}
IntPtr thunk = RuntimeAugments.AllocateThunk(s_DerefThisAndCall_ThunkPoolHeap);
Debug.Assert(thunk != IntPtr.Zero);
RuntimeAugments.SetThunkData(s_DerefThisAndCall_ThunkPoolHeap, thunk, target, IntPtr.Zero);
result = thunk;
s_deferenceAndCallThunks.Add(target, result);
}
}
return(result);
}
public void RegisterDynamicThreadStaticsInfo(RuntimeTypeHandle runtimeTypeHandle, uint offsetValue, int storageSize)
{
bool registered = false;
Debug.Assert(offsetValue != 0 && storageSize > 0 && runtimeTypeHandle.IsDynamicType());
_threadStaticsLock.Acquire();
try
{
// Sanity check to make sure we do not register thread statics for the same type more than once
uint temp;
Debug.Assert(!_dynamicGenericsThreadStatics.TryGetValue(runtimeTypeHandle, out temp) && storageSize > 0);
_dynamicGenericsThreadStatics.Add(runtimeTypeHandle, offsetValue);
_dynamicGenericsThreadStaticSizes.Add(offsetValue, storageSize);
registered = true;
}
finally
{
if (!registered)
{
_dynamicGenericsThreadStatics.Remove(runtimeTypeHandle);
_dynamicGenericsThreadStaticSizes.Remove(offsetValue);
}
_threadStaticsLock.Release();
}
}
public bool TryLookupConstructedLazyDictionaryForContext(IntPtr context, IntPtr signature, out IntPtr dictionary)
{
Debug.Assert(_typeLoaderLock.IsAcquired);
return(_lazyGenericDictionaries.TryGetValue(new LazyDictionaryContext {
_context = context, _signature = signature
}, out dictionary));
}
public static void FreeThunk(IntPtr commonStubAddress, IntPtr thunkAddress)
{
thunkAddress = ClearThumbBit(thunkAddress);
lock (s_Lock)
{
LowLevelList <ThunksTemplateMap> mappings;
if (s_ThunkMaps.TryGetValue(commonStubAddress, out mappings))
{
for (int i = 0; i < mappings.Count; i++)
{
mappings[i].FreeThunk(thunkAddress);
}
}
}
}
/// <summary>
/// Get a DefType that is the generic instantiation of an open generic type over instantiation arguments
/// This looks like a rename of GetInstantiatedType, but isn't because the corert GetInstantiatedType
/// relies on typeDef being a MetadataType, whereas this permits non-metadata types.
/// </summary>
public DefType ResolveGenericInstantiation(DefType typeDef, Instantiation arguments)
{
Debug.Assert(typeDef.Instantiation.IsNull || typeDef.Instantiation.Length == arguments.Length);
MetadataType typeAsMetadataType = typeDef as MetadataType;
if (typeAsMetadataType != null)
{
return(GetInstantiatedType(typeAsMetadataType, arguments));
}
if (_genericTypeInstances == null)
{
_genericTypeInstances = new LowLevelDictionary <GenericTypeInstanceKey, DefType>();
}
GenericTypeInstanceKey key = new GenericTypeInstanceKey(typeDef, arguments);
DefType result;
if (!_genericTypeInstances.TryGetValue(key, out result))
{
NoMetadataType nmTypeDef = (NoMetadataType)typeDef;
Debug.Assert(RuntimeAugments.IsGenericTypeDefinition(nmTypeDef.RuntimeTypeHandle));
result = new NoMetadataType(this, nmTypeDef.RuntimeTypeHandle, nmTypeDef, arguments, key.GetHashCode());
_genericTypeInstances.Add(key, result);
}
return(result.WithDebugName());
}
//
// Returns the native layout info reader
//
internal static unsafe NativeReader GetNativeLayoutInfoReader(TypeManagerHandle moduleHandle)
{
Debug.Assert(!moduleHandle.IsNull);
if (t_moduleNativeReaders == null)
{
t_moduleNativeReaders = new LowLevelDictionary <TypeManagerHandle, NativeReader>();
}
NativeReader result;
if (t_moduleNativeReaders.TryGetValue(moduleHandle, out result))
{
return(result);
}
byte *pBlob;
uint cbBlob;
if (RuntimeAugments.FindBlob(moduleHandle, (int)ReflectionMapBlob.NativeLayoutInfo, new IntPtr(&pBlob), new IntPtr(&cbBlob)))
{
result = new NativeReader(pBlob, cbBlob);
}
t_moduleNativeReaders.Add(moduleHandle, result);
return(result);
}
public static unsafe IntPtr GetGenericMethodFunctionPointer(IntPtr canonFunctionPointer, IntPtr instantiationArgument)
{
if (instantiationArgument == IntPtr.Zero)
{
return(canonFunctionPointer);
}
lock (s_genericFunctionPointerDictionary)
{
GenericMethodDescriptorInfo key;
key.MethodFunctionPointer = canonFunctionPointer;
key.InstantiationArgument = instantiationArgument;
uint index = 0;
if (!s_genericFunctionPointerDictionary.TryGetValue(key, out index))
{
// Capture new index value
index = s_genericFunctionPointerNextIndex;
int newChunkIndex = (int)(index / c_genericDictionaryChunkSize);
uint newSubChunkIndex = index % c_genericDictionaryChunkSize;
// Generate new chunk if existing chunks are insufficient
if (s_genericFunctionPointerCollection.Count <= newChunkIndex)
{
System.Diagnostics.Debug.Assert(newSubChunkIndex == 0);
// New generic descriptors are allocated on the native heap and not tracked in the GC.
UIntPtr allocationSize = new UIntPtr((uint)(c_genericDictionaryChunkSize * sizeof(RuntimeGeneratedGenericMethodDescriptor)));
IntPtr pNewMem = Interop.MemAlloc(allocationSize);
s_genericFunctionPointerCollection.Add(pNewMem);
}
RuntimeGeneratedGenericMethodDescriptor *newDescriptor = &((RuntimeGeneratedGenericMethodDescriptor *)s_genericFunctionPointerCollection[newChunkIndex])[newSubChunkIndex];
newDescriptor->Set(canonFunctionPointer, instantiationArgument);
s_genericFunctionPointerDictionary.LookupOrAdd(key, index);
// Now that we can no longer have failed, update the next index.
s_genericFunctionPointerNextIndex++;
}
// Lookup within list
int chunkIndex = (int)(index / c_genericDictionaryChunkSize);
uint subChunkIndex = index % c_genericDictionaryChunkSize;
RuntimeGeneratedGenericMethodDescriptor *genericRuntimeFunctionPointer = &((RuntimeGeneratedGenericMethodDescriptor *)s_genericFunctionPointerCollection[chunkIndex])[subChunkIndex];
GenericMethodDescriptor *genericFunctionPointer = &genericRuntimeFunctionPointer->Descriptor;
System.Diagnostics.Debug.Assert(canonFunctionPointer == genericFunctionPointer->MethodFunctionPointer);
System.Diagnostics.Debug.Assert(instantiationArgument == genericFunctionPointer->InstantiationArgument);
return((IntPtr)((byte *)genericFunctionPointer + FatFunctionPointerOffset));
}
}
public uint GetNextThreadStaticsOffsetValue(TypeManagerHandle typeManagerHandle)
{
if (!_maxThreadLocalIndex.TryGetValue(typeManagerHandle.GetIntPtrUNSAFE(), out uint result))
{
result = (uint)RuntimeAugments.GetHighestStaticThreadStaticIndex(typeManagerHandle);
}
_maxThreadLocalIndex[typeManagerHandle.GetIntPtrUNSAFE()] = checked (++result);
return(result);
}
private LowLevelDictionary<string, QHandle> CreateCaseInsensitiveTypeDictionary()
{
//
// Collect all of the *non-nested* types and type-forwards.
//
// The keys are full typenames in lower-cased form.
// The value is a tuple containing either a TypeDefinitionHandle or TypeForwarderHandle and the associated Reader
// for that handle.
//
// We do not store nested types here. The container type is resolved and chosen first, then the nested type chosen from
// that. If we chose the wrong container type and fail the match as a result, that's too bad. (The desktop CLR has the
// same issue.)
//
LowLevelDictionary<string, QHandle> dict = new LowLevelDictionary<string, QHandle>();
foreach (QScopeDefinition scope in AllScopes)
{
MetadataReader reader = scope.Reader;
ScopeDefinition scopeDefinition = scope.ScopeDefinition;
IEnumerable<NamespaceDefinitionHandle> topLevelNamespaceHandles = new NamespaceDefinitionHandle[] { scopeDefinition.RootNamespaceDefinition };
IEnumerable<NamespaceDefinitionHandle> allNamespaceHandles = reader.GetTransitiveNamespaces(topLevelNamespaceHandles);
foreach (NamespaceDefinitionHandle namespaceHandle in allNamespaceHandles)
{
string ns = namespaceHandle.ToNamespaceName(reader);
if (ns.Length != 0)
ns = ns + ".";
ns = ns.ToLower();
NamespaceDefinition namespaceDefinition = namespaceHandle.GetNamespaceDefinition(reader);
foreach (TypeDefinitionHandle typeDefinitionHandle in namespaceDefinition.TypeDefinitions)
{
string fullName = ns + typeDefinitionHandle.GetTypeDefinition(reader).Name.GetString(reader).ToLower();
QHandle existingValue;
if (!dict.TryGetValue(fullName, out existingValue))
{
dict.Add(fullName, new QHandle(reader, typeDefinitionHandle));
}
}
foreach (TypeForwarderHandle typeForwarderHandle in namespaceDefinition.TypeForwarders)
{
string fullName = ns + typeForwarderHandle.GetTypeForwarder(reader).Name.GetString(reader).ToLower();
QHandle existingValue;
if (!dict.TryGetValue(fullName, out existingValue))
{
dict.Add(fullName, new QHandle(reader, typeForwarderHandle));
}
}
}
}
return dict;
}
private LowLevelList <ResourceInfo> GetExtractedResources(Assembly assembly)
{
LowLevelDictionary <String, LowLevelList <ResourceInfo> > extractedResourceDictionary = this.ExtractedResourceDictionary;
String assemblyName = assembly.GetName().FullName;
LowLevelList <ResourceInfo> resourceInfos;
if (!extractedResourceDictionary.TryGetValue(assemblyName, out resourceInfos))
{
return(new LowLevelList <ResourceInfo>());
}
return(resourceInfos);
}
public static unsafe IntPtr Get(RuntimeTypeHandle constraintType, RuntimeMethodHandle constrainedMethod)
{
lock (s_genericConstrainedCallDescs)
{
// Get list of constrained call descs associated with a given type
LowLevelList <IntPtr> associatedCallDescs;
if (!s_genericConstrainedCallDescs.TryGetValue(constraintType, out associatedCallDescs))
{
associatedCallDescs = new LowLevelList <IntPtr>();
s_genericConstrainedCallDescs.Add(constraintType, associatedCallDescs);
}
// Perform linear scan of associated call descs to see if one matches
for (int i = 0; i < associatedCallDescs.Count; i++)
{
GenericConstrainedCallDesc *callDesc = (GenericConstrainedCallDesc *)associatedCallDescs[i];
Debug.Assert(constraintType.Equals(callDesc->_constraintType));
if (callDesc->_constrainedMethod != constrainedMethod)
{
continue;
}
// Found matching entry.
return(associatedCallDescs[i]);
}
// Did not find match, allocate a new one and add it to the lookup list
IntPtr newCallDescPtr = MemoryHelpers.AllocateMemory(sizeof(GenericConstrainedCallDesc));
GenericConstrainedCallDesc *newCallDesc = (GenericConstrainedCallDesc *)newCallDescPtr;
newCallDesc->_exactTarget = IntPtr.Zero;
if (RuntimeAugments.IsValueType(constraintType))
{
newCallDesc->_lookupFunc = s_resolveCallOnValueTypeFuncPtr;
}
else
{
newCallDesc->_lookupFunc = s_resolveCallOnReferenceTypeFuncPtr;
}
newCallDesc->_constraintType = constraintType;
newCallDesc->_constrainedMethod = constrainedMethod;
associatedCallDescs.Add(newCallDescPtr);
return(newCallDescPtr);
}
}
private LowLevelDictionary <string, Handle> CreateCaseInsensitiveTypeDictionary()
{
//
// Collect all of the *non-nested* types and type-forwards.
//
// The keys are full typenames in lower-cased form.
// The value is a tuple containing either a TypeDefinitionHandle or TypeForwarderHandle and the associated Reader
// for that handle.
//
// We do not store nested types here. The container type is resolved and chosen first, then the nested type chosen from
// that. If we chose the wrong container type and fail the match as a result, that's too bad. (The desktop CLR has the
// same issue.)
//
LowLevelDictionary <string, Handle> dict = new LowLevelDictionary <string, Handle>();
foreach (TypeDefinitionHandle typeDefinitionHandle in MetadataReader.TypeDefinitions)
{
TypeDefinition typeDefinition = MetadataReader.GetTypeDefinition(typeDefinitionHandle);
string typeName = MetadataReader.GetString(typeDefinition.Name);
string typeNamespace = MetadataReader.GetString(typeDefinition.NamespaceDefinition);
string fullName = typeName;
if (!String.IsNullOrEmpty(typeNamespace))
{
fullName = typeNamespace + "." + typeName;
}
Handle existingValue;
if (!dict.TryGetValue(fullName, out existingValue))
{
dict.Add(fullName, typeDefinitionHandle);
}
}
// TODO! Implement type forwarding logic.
/*
* foreach (TypeForwarderHandle typeForwarderHandle in namespaceDefinition.TypeForwarders)
* {
* string fullName = ns + typeForwarderHandle.GetTypeForwarder(reader).Name.GetString(reader).ToLowerInvariant();
* QHandle existingValue;
* if (!dict.TryGetValue(fullName, out existingValue))
* {
* dict.Add(fullName, new QHandle(reader, typeForwarderHandle));
* }
* }
* }*/
return(dict);
}
public unsafe IntPtr ToIntPtr()
{
lock (s_internedResolverHash)
{
IntPtr returnValue;
if (s_internedResolverHash.TryGetValue(this, out returnValue))
{
return(returnValue);
}
returnValue = Marshal.AllocHGlobal(sizeof(OpenMethodResolver));
*((OpenMethodResolver *)returnValue) = this;
s_internedResolverHash.Add(this, returnValue);
return(returnValue);
}
}
public unsafe IntPtr GetMemoryBlockForValue(IntPtr value)
{
using (LockHolder.Hold(_lock))
{
IntPtr result;
if (_allocatedBlocks.TryGetValue(value, out result))
{
return(result);
}
result = MemoryHelpers.AllocateMemory(IntPtr.Size);
*(IntPtr *)(result.ToPointer()) = value;
_allocatedBlocks.Add(value, result);
return(result);
}
}
public unsafe IntPtr ToIntPtr()
{
lock (s_internedResolverHash)
{
IntPtr returnValue;
if (s_internedResolverHash.TryGetValue(this, out returnValue))
{
return(returnValue);
}
returnValue = (IntPtr)NativeMemory.Alloc((nuint)sizeof(OpenMethodResolver));
*((OpenMethodResolver *)returnValue) = this;
s_internedResolverHash.Add(this, returnValue);
return(returnValue);
}
}
public unsafe IntPtr GetMemoryBlockForValue(ThreadStaticFieldOffsets value)
{
using (LockHolder.Hold(_lock))
{
IntPtr result;
if (_allocatedBlocks.TryGetValue(value, out result))
{
return(result);
}
result = MemoryHelpers.AllocateMemory(sizeof(ThreadStaticFieldOffsets));
*(ThreadStaticFieldOffsets *)(result.ToPointer()) = value;
_allocatedBlocks.Add(value, result);
return(result);
}
}
unsafe public IntPtr ToIntPtr()
{
lock (s_internedResolverHash)
{
IntPtr returnValue;
if (s_internedResolverHash.TryGetValue(this, out returnValue))
{
return(returnValue);
}
returnValue = Interop.MemAlloc(new UIntPtr((uint)sizeof(OpenMethodResolver)));
*((OpenMethodResolver *)returnValue) = this;
s_internedResolverHash.Add(this, returnValue);
return(returnValue);
}
}
private Exception TryResolveCaseInsensitive(ReflectionDomain reflectionDomain, RuntimeAssembly currentAssembly, out RuntimeType result)
{
String fullName = this.ToString().ToLower();
LowLevelDictionary <String, QHandle> dict = GetCaseInsensitiveTypeDictionary(currentAssembly);
QHandle qualifiedHandle;
if (!dict.TryGetValue(fullName, out qualifiedHandle))
{
result = null;
return(new TypeLoadException(SR.Format(SR.TypeLoad_TypeNotFound, this.ToString(), currentAssembly.FullName)));
}
MetadataReader reader = qualifiedHandle.Reader;
Handle typeDefOrForwarderHandle = qualifiedHandle.Handle;
HandleType handleType = typeDefOrForwarderHandle.HandleType;
switch (handleType)
{
case HandleType.TypeDefinition:
{
TypeDefinitionHandle typeDefinitionHandle = typeDefOrForwarderHandle.ToTypeDefinitionHandle(reader);
result = reflectionDomain.ResolveTypeDefinition(reader, typeDefinitionHandle);
return(null);
}
case HandleType.TypeForwarder:
{
TypeForwarder typeForwarder = typeDefOrForwarderHandle.ToTypeForwarderHandle(reader).GetTypeForwarder(reader);
ScopeReferenceHandle destinationScope = typeForwarder.Scope;
RuntimeAssemblyName destinationAssemblyName = destinationScope.ToRuntimeAssemblyName(reader);
RuntimeAssembly destinationAssembly;
Exception exception = RuntimeAssembly.TryGetRuntimeAssembly(reflectionDomain, destinationAssemblyName, out destinationAssembly);
if (exception != null)
{
result = null;
return(exception);
}
return(TryResolveCaseInsensitive(reflectionDomain, destinationAssembly, out result));
}
default:
throw new InvalidOperationException();
}
}
public int TryGetThreadStaticsSizeForDynamicType(int index, out int numTlsCells)
{
Debug.Assert((index & DynamicTypeTlsOffsetFlag) == DynamicTypeTlsOffsetFlag);
numTlsCells = _maxTlsCells;
using (LockHolder.Hold(_threadStaticsLock))
{
int storageSize;
if (_dynamicGenericsThreadStaticSizes.TryGetValue((uint)index, out storageSize))
{
return(storageSize);
}
}
Debug.Assert(false);
return(0);
}
//
// Returns the native layout info reader
//
internal unsafe NativeReader GetNativeLayoutInfoReader(IntPtr moduleHandle)
{
Debug.Assert(moduleHandle != IntPtr.Zero);
if (t_moduleNativeReaders == null)
t_moduleNativeReaders = new LowLevelDictionary<IntPtr, NativeReader>();
NativeReader result = null;
if (t_moduleNativeReaders.TryGetValue(moduleHandle, out result))
return result;
byte* pBlob;
uint cbBlob;
if (RuntimeAugments.FindBlob(moduleHandle, (int)ReflectionMapBlob.NativeLayoutInfo, new IntPtr(&pBlob), new IntPtr(&cbBlob)))
result = new NativeReader(pBlob, cbBlob);
t_moduleNativeReaders.Add(moduleHandle, result);
return result;
}
/// <summary>
/// Create a runtime method handle from name, signature and generic arguments. If the methodSignature
/// is constructed from a metadata token, the methodName should be IntPtr.Zero, as it already encodes the method
/// name.
/// </summary>
public unsafe RuntimeMethodHandle GetRuntimeMethodHandleForComponents(RuntimeTypeHandle declaringTypeHandle, IntPtr methodName, RuntimeSignature methodSignature, RuntimeTypeHandle[] genericMethodArgs)
{
string methodNameStr = methodName == IntPtr.Zero ? null : GetStringFromMemoryInNativeFormat(methodName);
RuntimeMethodHandleKey key = new RuntimeMethodHandleKey(declaringTypeHandle, methodNameStr, methodSignature, genericMethodArgs);
RuntimeMethodHandle runtimeMethodHandle = default(RuntimeMethodHandle);
lock (_runtimeMethodHandles)
{
if (!_runtimeMethodHandles.TryGetValue(key, out runtimeMethodHandle))
{
int sizeToAllocate = sizeof(DynamicMethodHandleInfo);
int numGenericMethodArgs = genericMethodArgs == null ? 0 : genericMethodArgs.Length;
// Use checked arithmetics to ensure there aren't any overflows/truncations
sizeToAllocate = checked (sizeToAllocate + (numGenericMethodArgs > 0 ? sizeof(IntPtr) * (numGenericMethodArgs - 1) : 0));
IntPtr runtimeMethodHandleValue = MemoryHelpers.AllocateMemory(sizeToAllocate);
if (runtimeMethodHandleValue == IntPtr.Zero)
{
throw new OutOfMemoryException();
}
DynamicMethodHandleInfo *methodData = (DynamicMethodHandleInfo *)runtimeMethodHandleValue.ToPointer();
methodData->DeclaringType = *(IntPtr *)&declaringTypeHandle;
methodData->MethodName = methodName;
methodData->MethodSignature = methodSignature;
methodData->NumGenericArgs = numGenericMethodArgs;
IntPtr *genericArgPtr = &(methodData->GenericArgsArray);
for (int i = 0; i < numGenericMethodArgs; i++)
{
RuntimeTypeHandle currentArg = genericMethodArgs[i];
genericArgPtr[i] = *(IntPtr *)¤tArg;
}
// Special flag in the handle value to indicate it was dynamically allocated, and doesn't point into the InvokeMap blob
runtimeMethodHandleValue = runtimeMethodHandleValue + 1;
runtimeMethodHandle = *(RuntimeMethodHandle *)&runtimeMethodHandleValue;
_runtimeMethodHandles.Add(key, runtimeMethodHandle);
}
return(runtimeMethodHandle);
}
}
internal sealed override RuntimeTypeInfo GetTypeCoreCaseInsensitive(string fullName)
{
LowLevelDictionary <string, QHandle> dict = CaseInsensitiveTypeDictionary;
QHandle qualifiedHandle;
if (!dict.TryGetValue(fullName.ToLowerInvariant(), out qualifiedHandle))
{
return(null);
}
MetadataReader reader = qualifiedHandle.Reader;
Handle typeDefOrForwarderHandle = qualifiedHandle.Handle;
HandleType handleType = typeDefOrForwarderHandle.HandleType;
switch (handleType)
{
case HandleType.TypeDefinition:
{
TypeDefinitionHandle typeDefinitionHandle = typeDefOrForwarderHandle.ToTypeDefinitionHandle(reader);
return(typeDefinitionHandle.ResolveTypeDefinition(reader));
}
case HandleType.TypeForwarder:
{
TypeForwarder typeForwarder = typeDefOrForwarderHandle.ToTypeForwarderHandle(reader).GetTypeForwarder(reader);
ScopeReferenceHandle destinationScope = typeForwarder.Scope;
RuntimeAssemblyName destinationAssemblyName = destinationScope.ToRuntimeAssemblyName(reader);
RuntimeAssemblyInfo destinationAssembly = RuntimeAssemblyInfo.GetRuntimeAssemblyIfExists(destinationAssemblyName);
if (destinationAssembly == null)
{
return(null);
}
return(destinationAssembly.GetTypeCoreCaseInsensitive(fullName));
}
default:
throw new InvalidOperationException();
}
}
internal sealed override RuntimeTypeInfo GetTypeCoreCaseInsensitive(string fullName)
{
LowLevelDictionary <string, Handle> dict = CaseInsensitiveTypeDictionary;
Handle typeDefOrForwarderHandle;
if (!dict.TryGetValue(fullName.ToLowerInvariant(), out typeDefOrForwarderHandle))
{
return(null);
}
MetadataReader reader = MetadataReader;
HandleKind handleType = typeDefOrForwarderHandle.Kind;
switch (handleType)
{
case HandleKind.TypeDefinition:
{
TypeDefinitionHandle typeDefinitionHandle = (TypeDefinitionHandle)typeDefOrForwarderHandle;
throw new NotImplementedException();
// return typeDefinitionHandle.ResolveTypeDefinition(reader);
}
case HandleKind.ExportedType:
{
throw new NotImplementedException();
/*TypeForwarder typeForwarder = typeDefOrForwarderHandle.ToTypeForwarderHandle(reader).GetTypeForwarder(reader);
* ScopeReferenceHandle destinationScope = typeForwarder.Scope;
* RuntimeAssemblyName destinationAssemblyName = destinationScope.ToRuntimeAssemblyName(reader);
* RuntimeAssembly destinationAssembly = RuntimeAssembly.GetRuntimeAssemblyIfExists(destinationAssemblyName);
* if (destinationAssembly == null)
* return null;
* return destinationAssembly.GetTypeCoreCaseInsensitive(fullName);*/
}
default:
throw new InvalidOperationException();
}
}
private static int AddConverter(CallConversionInfo newConversionInfo)
{
using (LockHolder.Hold(s_callConvertersCacheLock))
{
int converterId;
if (s_callConvertersCache.TryGetValue(newConversionInfo, out converterId))
{
Debug.Assert(converterId < s_callConvertersCount && s_callConverters[converterId].Equals(newConversionInfo));
return(converterId);
}
if (s_callConvertersCount >= s_callConverters.Length)
{
CallConversionInfo[] newArray = new CallConversionInfo[s_callConverters.Length * 2];
Array.Copy(s_callConverters, newArray, s_callConvertersCount);
s_callConverters = newArray;
}
s_callConverters[s_callConvertersCount++] = newConversionInfo;
s_callConvertersCache[newConversionInfo] = s_callConvertersCount - 1;
return(s_callConvertersCount - 1);
}
}
//
// Main iterator.
//
private IEnumerable <CustomAttributeData> GetMatchingCustomAttributesIterator(E element, Func <Type, bool> rawPassesFilter, bool inherit)
{
Func <Type, bool> passesFilter =
delegate(Type attributeType)
{
// Windows prohibits instantiating WinRT custom attributes. Filter them from the search as the desktop CLR does.
TypeAttributes typeAttributes = attributeType.Attributes;
if (0 != (typeAttributes & TypeAttributes.WindowsRuntime))
{
return(false);
}
return(rawPassesFilter(attributeType));
};
LowLevelList <CustomAttributeData> immediateResults = new LowLevelList <CustomAttributeData>();
foreach (CustomAttributeData cad in GetDeclaredCustomAttributes(element))
{
if (passesFilter(cad.AttributeType))
{
yield return(cad);
immediateResults.Add(cad);
}
}
if (inherit)
{
// Because the "inherit" parameter defaults to "true", we probably get here for a lot of elements that
// don't actually have any inheritance chains. Try to avoid doing any unnecessary setup for the inheritance walk
// unless we have to.
element = GetParent(element);
if (element != null)
{
// This dictionary serves two purposes:
// - Let us know which attribute types we've encountered at lower levels so we can block them from appearing twice in the results
// if appropriate.
//
// - Cache the results of retrieving the usage attribute.
//
LowLevelDictionary <TypeUnificationKey, AttributeUsageAttribute> encounteredTypes = new LowLevelDictionary <TypeUnificationKey, AttributeUsageAttribute>(11);
for (int i = 0; i < immediateResults.Count; i++)
{
Type attributeType = immediateResults[i].AttributeType;
AttributeUsageAttribute usage;
TypeUnificationKey attributeTypeKey = new TypeUnificationKey(attributeType);
if (!encounteredTypes.TryGetValue(attributeTypeKey, out usage))
{
encounteredTypes.Add(attributeTypeKey, null);
}
}
do
{
foreach (CustomAttributeData cad in GetDeclaredCustomAttributes(element))
{
Type attributeType = cad.AttributeType;
if (!passesFilter(attributeType))
{
continue;
}
AttributeUsageAttribute usage;
TypeUnificationKey attributeTypeKey = new TypeUnificationKey(attributeType);
if (!encounteredTypes.TryGetValue(attributeTypeKey, out usage))
{
// Type was not encountered before. Only include it if it is inheritable.
usage = GetAttributeUsage(attributeType);
encounteredTypes.Add(attributeTypeKey, usage);
if (usage.Inherited)
{
yield return(cad);
}
}
else
{
if (usage == null)
{
usage = GetAttributeUsage(attributeType);
}
encounteredTypes[attributeTypeKey] = usage;
// Type was encountered at a lower level. Only include it if its inheritable AND allowMultiple.
if (usage.Inherited && usage.AllowMultiple)
{
yield return(cad);
}
}
}
}while ((element = GetParent(element)) != null);
}
}
}
public static unsafe IntPtr Get(RuntimeTypeHandle constraintType, RuntimeTypeHandle constrainedMethodType, int constrainedMethodSlot, bool directConstrainedCall = false)
{
LowLevelDictionary <RuntimeTypeHandle, LowLevelList <IntPtr> > nonGenericConstrainedCallDescsDirect = directConstrainedCall ? s_nonGenericConstrainedCallDescsDirect : s_nonGenericConstrainedCallDescs;
lock (nonGenericConstrainedCallDescsDirect)
{
// Get list of constrained call descs associated with a given type
LowLevelList <IntPtr> associatedCallDescs;
if (!nonGenericConstrainedCallDescsDirect.TryGetValue(constraintType, out associatedCallDescs))
{
associatedCallDescs = new LowLevelList <IntPtr>();
nonGenericConstrainedCallDescsDirect.Add(constraintType, associatedCallDescs);
}
// Perform linear scan of associated call descs to see if one matches
for (int i = 0; i < associatedCallDescs.Count; i++)
{
NonGenericConstrainedCallDesc *callDesc = (NonGenericConstrainedCallDesc *)associatedCallDescs[i];
Debug.Assert(constraintType.Equals(callDesc->_constraintType));
if (callDesc->_constrainedMethodSlot != constrainedMethodSlot)
{
continue;
}
if (!callDesc->_constrainedMethodType.Equals(constrainedMethodType))
{
continue;
}
// Found matching entry.
return(associatedCallDescs[i]);
}
// Did not find match, allocate a new one and add it to the lookup list
IntPtr newCallDescPtr = MemoryHelpers.AllocateMemory(sizeof(NonGenericConstrainedCallDesc));
NonGenericConstrainedCallDesc *newCallDesc = (NonGenericConstrainedCallDesc *)newCallDescPtr;
newCallDesc->_exactTarget = IntPtr.Zero;
if (directConstrainedCall)
{
newCallDesc->_lookupFunc = RuntimeAugments.GetUniversalTransitionThunk();
}
else
{
if (RuntimeAugments.IsValueType(constraintType))
{
newCallDesc->_lookupFunc = s_resolveCallOnValueTypeFuncPtr;
}
else
{
newCallDesc->_lookupFunc = s_resolveCallOnReferenceTypeFuncPtr;
}
}
newCallDesc->_constraintType = constraintType;
newCallDesc->_constrainedMethodSlot = constrainedMethodSlot;
newCallDesc->_constrainedMethodType = constrainedMethodType;
associatedCallDescs.Add(newCallDescPtr);
return(newCallDescPtr);
}
}
public TypeDesc ResolveRuntimeTypeHandle(RuntimeTypeHandle rtth)
{
TypeDesc returnedType;
if (_runtimeTypeHandleResolutionCache.TryGetValue(rtth, out returnedType))
{
return(returnedType);
}
if (rtth.Equals(CanonType.RuntimeTypeHandle))
{
returnedType = CanonType;
}
else if (rtth.Equals(UniversalCanonType.RuntimeTypeHandle))
{
returnedType = UniversalCanonType;
}
else if (RuntimeAugments.IsGenericTypeDefinition(rtth))
{
returnedType = TryGetMetadataBasedTypeFromRuntimeTypeHandle_Uncached(rtth);
if (returnedType == null)
{
unsafe
{
TypeDesc[] genericParameters = new TypeDesc[rtth.ToEETypePtr()->GenericArgumentCount];
for (int i = 0; i < genericParameters.Length; i++)
{
genericParameters[i] = GetSignatureVariable(i, false);
}
returnedType = new NoMetadataType(this, rtth, null, new Instantiation(genericParameters), rtth.GetHashCode());
}
}
}
else if (RuntimeAugments.IsGenericType(rtth))
{
RuntimeTypeHandle typeDefRuntimeTypeHandle;
RuntimeTypeHandle[] genericArgRuntimeTypeHandles;
typeDefRuntimeTypeHandle = RuntimeAugments.GetGenericInstantiation(rtth, out genericArgRuntimeTypeHandles);
DefType typeDef = (DefType)ResolveRuntimeTypeHandle(typeDefRuntimeTypeHandle);
Instantiation genericArgs = ResolveRuntimeTypeHandles(genericArgRuntimeTypeHandles);
returnedType = ResolveGenericInstantiation(typeDef, genericArgs);
}
else if (RuntimeAugments.IsArrayType(rtth))
{
RuntimeTypeHandle elementTypeHandle = RuntimeAugments.GetRelatedParameterTypeHandle(rtth);
TypeDesc elementType = ResolveRuntimeTypeHandle(elementTypeHandle);
unsafe
{
if (rtth.ToEETypePtr()->IsSzArray)
{
returnedType = GetArrayType(elementType);
}
else
{
returnedType = GetArrayType(elementType, rtth.ToEETypePtr()->ArrayRank);
}
}
}
else if (RuntimeAugments.IsUnmanagedPointerType(rtth))
{
RuntimeTypeHandle targetTypeHandle = RuntimeAugments.GetRelatedParameterTypeHandle(rtth);
TypeDesc targetType = ResolveRuntimeTypeHandle(targetTypeHandle);
returnedType = GetPointerType(targetType);
}
else if (RuntimeAugments.IsByRefType(rtth))
{
RuntimeTypeHandle targetTypeHandle = RuntimeAugments.GetRelatedParameterTypeHandle(rtth);
TypeDesc targetType = ResolveRuntimeTypeHandle(targetTypeHandle);
returnedType = GetByRefType(targetType);
}
else
{
returnedType = TryGetMetadataBasedTypeFromRuntimeTypeHandle_Uncached(rtth);
if (returnedType == null)
{
returnedType = new NoMetadataType(this, rtth, null, Instantiation.Empty, rtth.GetHashCode());
}
}
// We either retrieved an existing DefType that is already registered with the runtime
// or one that is not associated with an MethodTable yet. If it's not associated, associate it.
if (returnedType.RuntimeTypeHandle.IsNull())
{
TypeBuilderState state = returnedType.GetTypeBuilderStateIfExist();
bool skipStoringRuntimeTypeHandle = false;
// If we've already attempted to lookup and failed to retrieve this type handle, we
// may have already decided to create a new one. In that case, do not attempt to abort
// that creation process as it may have already begun the process of type creation
if (state != null && state.AttemptedAndFailedToRetrieveTypeHandle)
{
skipStoringRuntimeTypeHandle = true;
}
if (!skipStoringRuntimeTypeHandle)
{
returnedType.SetRuntimeTypeHandleUnsafe(rtth);
}
}
_runtimeTypeHandleResolutionCache.Add(rtth, returnedType);
return(returnedType.WithDebugName());
}
