/// <summary>
/// Register all modules which were added (Registered) to the runtime and are not already registered with the TypeLoader.
/// </summary>
/// <param name="moduleType">Type to assign to all new modules.</param>
public void RegisterNewModules(ModuleType moduleType)
{
// prevent multiple threads from registering modules concurrently
using (LockHolder.Hold(_moduleRegistrationLock))
{
// Fetch modules that have already been registered with the runtime
int loadedModuleCount = RuntimeAugments.GetLoadedModules(null);
TypeManagerHandle[] loadedModuleHandles = new TypeManagerHandle[loadedModuleCount];
int loadedModuleCountUpdated = RuntimeAugments.GetLoadedModules(loadedModuleHandles);
Debug.Assert(loadedModuleCount == loadedModuleCountUpdated);
LowLevelList <TypeManagerHandle> newModuleHandles = new LowLevelList <TypeManagerHandle>(loadedModuleHandles.Length);
foreach (TypeManagerHandle moduleHandle in loadedModuleHandles)
{
// Skip already registered modules.
int oldModuleIndex;
if (_loadedModuleMap.HandleToModuleIndex.TryGetValue(moduleHandle, out oldModuleIndex))
{
continue;
}
newModuleHandles.Add(moduleHandle);
}
// Copy existing modules to new dictionary
int oldModuleCount = _loadedModuleMap.Modules.Length;
ModuleInfo[] updatedModules = new ModuleInfo[oldModuleCount + newModuleHandles.Count];
if (oldModuleCount > 0)
{
Array.Copy(_loadedModuleMap.Modules, 0, updatedModules, 0, oldModuleCount);
}
for (int newModuleIndex = 0; newModuleIndex < newModuleHandles.Count; newModuleIndex++)
{
ModuleInfo newModuleInfo;
unsafe
{
byte *pBlob;
uint cbBlob;
if (RuntimeAugments.FindBlob(newModuleHandles[newModuleIndex], (int)ReflectionMapBlob.EmbeddedMetadata, new IntPtr(&pBlob), new IntPtr(&cbBlob)))
{
newModuleInfo = new NativeFormatModuleInfo(newModuleHandles[newModuleIndex], moduleType, (IntPtr)pBlob, (int)cbBlob);
}
else
{
newModuleInfo = new ModuleInfo(newModuleHandles[newModuleIndex], moduleType);
}
}
updatedModules[oldModuleCount + newModuleIndex] = newModuleInfo;
if (_moduleRegistrationCallbacks != null)
{
_moduleRegistrationCallbacks(newModuleInfo);
}
}
// Atomically update the module map
_loadedModuleMap = new ModuleMap(updatedModules);
}
}
private static void CreateEETypeWorker(EEType *pTemplateEEType, UInt32 hashCodeOfNewType,
int arity, bool requireVtableSlotMapping, TypeBuilderState state)
{
bool successful = false;
IntPtr eeTypePtrPlusGCDesc = IntPtr.Zero;
IntPtr dynamicDispatchMapPtr = IntPtr.Zero;
DynamicModule *dynamicModulePtr = null;
try
{
Debug.Assert((pTemplateEEType != null) || (state.TypeBeingBuilt as MetadataType != null));
// In some situations involving arrays we can find as a template a dynamically generated type.
// In that case, the correct template would be the template used to create the dynamic type in the first
// place.
if (pTemplateEEType != null && pTemplateEEType->IsDynamicType)
{
pTemplateEEType = pTemplateEEType->DynamicTemplateType;
}
ModuleInfo moduleInfo = TypeLoaderEnvironment.GetModuleInfoForType(state.TypeBeingBuilt);
dynamicModulePtr = moduleInfo.DynamicModulePtr;
Debug.Assert(dynamicModulePtr != null);
bool requiresDynamicDispatchMap = requireVtableSlotMapping && (pTemplateEEType != null) && pTemplateEEType->HasDispatchMap;
uint valueTypeFieldPaddingEncoded = 0;
int baseSize = 0;
bool isValueType;
bool hasFinalizer;
bool isNullable;
bool isArray;
bool isGeneric;
ushort componentSize = 0;
ushort flags;
ushort runtimeInterfacesLength = 0;
bool isGenericEETypeDef = false;
if (state.RuntimeInterfaces != null)
{
runtimeInterfacesLength = checked ((ushort)state.RuntimeInterfaces.Length);
}
if (pTemplateEEType != null)
{
valueTypeFieldPaddingEncoded = EEType.ComputeValueTypeFieldPaddingFieldValue(
pTemplateEEType->ValueTypeFieldPadding,
(uint)pTemplateEEType->FieldAlignmentRequirement);
baseSize = (int)pTemplateEEType->BaseSize;
isValueType = pTemplateEEType->IsValueType;
hasFinalizer = pTemplateEEType->IsFinalizable;
isNullable = pTemplateEEType->IsNullable;
componentSize = pTemplateEEType->ComponentSize;
flags = pTemplateEEType->Flags;
isArray = pTemplateEEType->IsArray;
isGeneric = pTemplateEEType->IsGeneric;
Debug.Assert(pTemplateEEType->NumInterfaces == runtimeInterfacesLength);
}
else if (state.TypeBeingBuilt.IsGenericDefinition)
{
flags = (ushort)EETypeKind.GenericTypeDefEEType;
isValueType = state.TypeBeingBuilt.IsValueType;
if (isValueType)
{
flags |= (ushort)EETypeFlags.ValueTypeFlag;
}
if (state.TypeBeingBuilt.IsInterface)
{
flags |= (ushort)EETypeFlags.IsInterfaceFlag;
}
hasFinalizer = false;
isArray = false;
isNullable = false;
isGeneric = false;
isGenericEETypeDef = true;
componentSize = checked ((ushort)state.TypeBeingBuilt.Instantiation.Length);
baseSize = 0;
}
else
{
isValueType = state.TypeBeingBuilt.IsValueType;
hasFinalizer = state.TypeBeingBuilt.HasFinalizer;
isNullable = state.TypeBeingBuilt.GetTypeDefinition().IsNullable;
flags = EETypeBuilderHelpers.ComputeFlags(state.TypeBeingBuilt);
isArray = false;
isGeneric = state.TypeBeingBuilt.HasInstantiation;
if (state.TypeBeingBuilt.HasVariance)
{
state.GenericVarianceFlags = new int[state.TypeBeingBuilt.Instantiation.Length];
int i = 0;
foreach (GenericParameterDesc gpd in state.TypeBeingBuilt.GetTypeDefinition().Instantiation)
{
state.GenericVarianceFlags[i] = (int)gpd.Variance;
i++;
}
Debug.Assert(i == state.GenericVarianceFlags.Length);
}
}
// TODO! Change to if template is Universal or non-Existent
if (state.TypeSize.HasValue)
{
baseSize = state.TypeSize.Value;
int baseSizeBeforeAlignment = baseSize;
baseSize = MemoryHelpers.AlignUp(baseSize, IntPtr.Size);
if (isValueType)
{
// Compute the valuetype padding size based on size before adding the object type pointer field to the size
uint cbValueTypeFieldPadding = (uint)(baseSize - baseSizeBeforeAlignment);
// Add Object type pointer field to base size
baseSize += IntPtr.Size;
valueTypeFieldPaddingEncoded = (uint)EEType.ComputeValueTypeFieldPaddingFieldValue(cbValueTypeFieldPadding, (uint)state.FieldAlignment.Value);
}
// Minimum base size is 3 pointers, and requires us to bump the size of an empty class type
if (baseSize <= IntPtr.Size)
{
// ValueTypes should already have had their size bumped up by the normal type layout process
Debug.Assert(!isValueType);
baseSize += IntPtr.Size;
}
// Add sync block skew
baseSize += IntPtr.Size;
// Minimum basesize is 3 pointers
Debug.Assert(baseSize >= (IntPtr.Size * 3));
}
// Optional fields encoding
int cbOptionalFieldsSize;
OptionalFieldsRuntimeBuilder optionalFields;
{
optionalFields = new OptionalFieldsRuntimeBuilder(pTemplateEEType != null ? pTemplateEEType->OptionalFieldsPtr : null);
UInt32 rareFlags = optionalFields.GetFieldValue(EETypeOptionalFieldTag.RareFlags, 0);
rareFlags |= (uint)EETypeRareFlags.IsDynamicTypeFlag; // Set the IsDynamicTypeFlag
rareFlags &= ~(uint)EETypeRareFlags.NullableTypeViaIATFlag; // Remove the NullableTypeViaIATFlag flag
rareFlags &= ~(uint)EETypeRareFlags.HasSealedVTableEntriesFlag; // Remove the HasSealedVTableEntriesFlag
// we'll set IsDynamicTypeWithSealedVTableEntriesFlag instead
// Set the IsDynamicTypeWithSealedVTableEntriesFlag if needed
if (state.NumSealedVTableEntries > 0)
{
rareFlags |= (uint)EETypeRareFlags.IsDynamicTypeWithSealedVTableEntriesFlag;
}
if (requiresDynamicDispatchMap)
{
rareFlags |= (uint)EETypeRareFlags.HasDynamicallyAllocatedDispatchMapFlag;
}
if (state.NonGcDataSize != 0)
{
rareFlags |= (uint)EETypeRareFlags.IsDynamicTypeWithNonGcStatics;
}
if (state.GcDataSize != 0)
{
rareFlags |= (uint)EETypeRareFlags.IsDynamicTypeWithGcStatics;
}
if (state.ThreadDataSize != 0)
{
rareFlags |= (uint)EETypeRareFlags.IsDynamicTypeWithThreadStatics;
}
#if ARM
if (state.FieldAlignment == 8)
{
rareFlags |= (uint)EETypeRareFlags.RequiresAlign8Flag;
}
else
{
rareFlags &= ~(uint)EETypeRareFlags.RequiresAlign8Flag;
}
if (state.IsHFA)
{
rareFlags |= (uint)EETypeRareFlags.IsHFAFlag;
}
else
{
rareFlags &= ~(uint)EETypeRareFlags.IsHFAFlag;
}
#endif
if (state.HasStaticConstructor)
{
rareFlags |= (uint)EETypeRareFlags.HasCctorFlag;
}
else
{
rareFlags &= ~(uint)EETypeRareFlags.HasCctorFlag;
}
rareFlags |= (uint)EETypeRareFlags.HasDynamicModuleFlag;
optionalFields.SetFieldValue(EETypeOptionalFieldTag.RareFlags, rareFlags);
// Dispatch map is fetched either from template type, or from the dynamically allocated DispatchMap field
optionalFields.ClearField(EETypeOptionalFieldTag.DispatchMap);
optionalFields.ClearField(EETypeOptionalFieldTag.ValueTypeFieldPadding);
if (valueTypeFieldPaddingEncoded != 0)
{
optionalFields.SetFieldValue(EETypeOptionalFieldTag.ValueTypeFieldPadding, valueTypeFieldPaddingEncoded);
}
// Compute size of optional fields encoding
cbOptionalFieldsSize = optionalFields.Encode();
Debug.Assert(cbOptionalFieldsSize > 0);
}
// Note: The number of vtable slots on the EEType to create is not necessary equal to the number of
// vtable slots on the template type for universal generics (see ComputeVTableLayout)
ushort numVtableSlots = state.NumVTableSlots;
// Compute the EEType size and allocate it
EEType *pEEType;
{
// In order to get the size of the EEType to allocate we need the following information
// 1) The number of VTable slots (from the TypeBuilderState)
// 2) The number of Interfaces (from the template)
// 3) Whether or not there is a finalizer (from the template)
// 4) Optional fields size
// 5) Whether or not the type is nullable (from the template)
// 6) Whether or not the type has sealed virtuals (from the TypeBuilderState)
int cbEEType = (int)EEType.GetSizeofEEType(
numVtableSlots,
runtimeInterfacesLength,
hasFinalizer,
true,
isNullable,
state.NumSealedVTableEntries > 0,
isGeneric,
state.NonGcDataSize != 0,
state.GcDataSize != 0,
state.ThreadDataSize != 0);
// Dynamic types have an extra pointer-sized field that contains a pointer to their template type
cbEEType += IntPtr.Size;
// Check if we need another pointer sized field for a dynamic DispatchMap
cbEEType += (requiresDynamicDispatchMap ? IntPtr.Size : 0);
// Add another pointer sized field for a DynamicModule
cbEEType += IntPtr.Size;
int cbGCDesc = GetInstanceGCDescSize(state, pTemplateEEType, isValueType, isArray);
int cbGCDescAligned = MemoryHelpers.AlignUp(cbGCDesc, IntPtr.Size);
// Allocate enough space for the EEType + gcDescSize
eeTypePtrPlusGCDesc = MemoryHelpers.AllocateMemory(cbGCDescAligned + cbEEType + cbOptionalFieldsSize);
// Get the EEType pointer, and the template EEType pointer
pEEType = (EEType *)(eeTypePtrPlusGCDesc + cbGCDescAligned);
state.HalfBakedRuntimeTypeHandle = pEEType->ToRuntimeTypeHandle();
// Set basic EEType fields
pEEType->ComponentSize = componentSize;
pEEType->Flags = flags;
pEEType->BaseSize = (uint)baseSize;
pEEType->NumVtableSlots = numVtableSlots;
pEEType->NumInterfaces = runtimeInterfacesLength;
pEEType->HashCode = hashCodeOfNewType;
// Write the GCDesc
bool isSzArray = isArray ? state.ArrayRank < 1 : false;
int arrayRank = isArray ? state.ArrayRank.Value : 0;
CreateInstanceGCDesc(state, pTemplateEEType, pEEType, baseSize, cbGCDesc, isValueType, isArray, isSzArray, arrayRank);
Debug.Assert(pEEType->HasGCPointers == (cbGCDesc != 0));
#if GENERICS_FORCE_USG
if (state.NonUniversalTemplateType != null)
{
Debug.Assert(state.NonUniversalInstanceGCDescSize == cbGCDesc, "Non-universal instance GCDesc size not matching with universal GCDesc size!");
Debug.Assert(cbGCDesc == 0 || pEEType->HasGCPointers);
// The TestGCDescsForEquality helper will compare 2 GCDescs for equality, 4 bytes at a time (GCDesc contents treated as integers), and will read the
// GCDesc data in *reverse* order for instance GCDescs (subtracts 4 from the pointer values at each iteration).
// - For the first GCDesc, we use (pEEType - 4) to point to the first 4-byte integer directly preceeding the EEType
// - For the second GCDesc, given that the state.NonUniversalInstanceGCDesc already points to the first byte preceeding the template EEType, we
// subtract 3 to point to the first 4-byte integer directly preceeding the template EEtype
TestGCDescsForEquality(new IntPtr((byte *)pEEType - 4), state.NonUniversalInstanceGCDesc - 3, cbGCDesc, true);
}
#endif
// Copy the encoded optional fields buffer to the newly allocated memory, and update the OptionalFields field on the EEType
// It is important to set the optional fields first on the newly created EEType, because all other 'setters'
// will assert that the type is dynamic, just to make sure we are not making any changes to statically compiled types
pEEType->OptionalFieldsPtr = (byte *)pEEType + cbEEType;
optionalFields.WriteToEEType(pEEType, cbOptionalFieldsSize);
#if CORERT
pEEType->PointerToTypeManager = PermanentAllocatedMemoryBlobs.GetPointerToIntPtr(moduleInfo.Handle);
#endif
pEEType->DynamicModule = dynamicModulePtr;
// Copy VTable entries from template type
int numSlotsFilled = 0;
IntPtr *pVtable = (IntPtr *)((byte *)pEEType + sizeof(EEType));
if (pTemplateEEType != null)
{
IntPtr *pTemplateVtable = (IntPtr *)((byte *)pTemplateEEType + sizeof(EEType));
for (int i = 0; i < pTemplateEEType->NumVtableSlots; i++)
{
int vtableSlotInDynamicType = requireVtableSlotMapping ? state.VTableSlotsMapping.GetVTableSlotInTargetType(i) : i;
if (vtableSlotInDynamicType != -1)
{
Debug.Assert(vtableSlotInDynamicType < numVtableSlots);
IntPtr dictionaryPtrValue;
if (requireVtableSlotMapping && state.VTableSlotsMapping.IsDictionarySlot(i, out dictionaryPtrValue))
{
// This must be the dictionary pointer value of one of the base types of the
// current universal generic type being constructed.
pVtable[vtableSlotInDynamicType] = dictionaryPtrValue;
// Assert that the current template vtable slot is also a NULL value since all
// universal generic template types have NULL dictionary slot values in their vtables
Debug.Assert(pTemplateVtable[i] == IntPtr.Zero);
}
else
{
pVtable[vtableSlotInDynamicType] = pTemplateVtable[i];
}
numSlotsFilled++;
}
}
}
else if (isGenericEETypeDef)
{
// If creating a Generic Type Definition
Debug.Assert(pEEType->NumVtableSlots == 0);
}
else
{
#if SUPPORTS_NATIVE_METADATA_TYPE_LOADING
// Dynamically loaded type
// Fill the vtable with vtable resolution thunks in all slots except for
// the dictionary slots, which should be filled with dictionary pointers if those
// dictionaries are already published.
TypeDesc nextTypeToExamineForDictionarySlot = state.TypeBeingBuilt;
TypeDesc typeWithDictionary;
int nextDictionarySlot = GetMostDerivedDictionarySlot(ref nextTypeToExamineForDictionarySlot, out typeWithDictionary);
for (int iSlot = pEEType->NumVtableSlots - 1; iSlot >= 0; iSlot--)
{
bool isDictionary = iSlot == nextDictionarySlot;
if (!isDictionary)
{
pVtable[iSlot] = LazyVTableResolver.GetThunkForSlot(iSlot);
}
else
{
if (typeWithDictionary.RetrieveRuntimeTypeHandleIfPossible())
{
pVtable[iSlot] = typeWithDictionary.RuntimeTypeHandle.GetDictionary();
}
nextDictionarySlot = GetMostDerivedDictionarySlot(ref nextTypeToExamineForDictionarySlot, out typeWithDictionary);
}
numSlotsFilled++;
}
#else
Environment.FailFast("Template type loader is null, but metadata based type loader is not in use");
#endif
}
Debug.Assert(numSlotsFilled == numVtableSlots);
// Copy Pointer to finalizer method from the template type
if (hasFinalizer)
{
if (pTemplateEEType != null)
{
pEEType->FinalizerCode = pTemplateEEType->FinalizerCode;
}
else
{
#if SUPPORTS_NATIVE_METADATA_TYPE_LOADING
pEEType->FinalizerCode = LazyVTableResolver.GetFinalizerThunk();
#else
Environment.FailFast("Template type loader is null, but metadata based type loader is not in use");
#endif
}
}
}
// Copy the sealed vtable entries if they exist on the template type
if (state.NumSealedVTableEntries > 0)
{
state.HalfBakedSealedVTable = MemoryHelpers.AllocateMemory((int)state.NumSealedVTableEntries * IntPtr.Size);
UInt32 cbSealedVirtualSlotsTypeOffset = pEEType->GetFieldOffset(EETypeField.ETF_SealedVirtualSlots);
*((IntPtr *)((byte *)pEEType + cbSealedVirtualSlotsTypeOffset)) = state.HalfBakedSealedVTable;
for (UInt16 i = 0; i < state.NumSealedVTableEntries; i++)
{
IntPtr value = pTemplateEEType->GetSealedVirtualSlot(i);
pEEType->SetSealedVirtualSlot(value, i);
}
}
// Create a new DispatchMap for the type
if (requiresDynamicDispatchMap)
{
DispatchMap *pTemplateDispatchMap = (DispatchMap *)RuntimeAugments.GetDispatchMapForType(pTemplateEEType->ToRuntimeTypeHandle());
dynamicDispatchMapPtr = MemoryHelpers.AllocateMemory(pTemplateDispatchMap->Size);
UInt32 cbDynamicDispatchMapOffset = pEEType->GetFieldOffset(EETypeField.ETF_DynamicDispatchMap);
*((IntPtr *)((byte *)pEEType + cbDynamicDispatchMapOffset)) = dynamicDispatchMapPtr;
DispatchMap *pDynamicDispatchMap = (DispatchMap *)dynamicDispatchMapPtr;
pDynamicDispatchMap->NumEntries = pTemplateDispatchMap->NumEntries;
for (int i = 0; i < pTemplateDispatchMap->NumEntries; i++)
{
DispatchMap.DispatchMapEntry *pTemplateEntry = (*pTemplateDispatchMap)[i];
DispatchMap.DispatchMapEntry *pDynamicEntry = (*pDynamicDispatchMap)[i];
pDynamicEntry->_usInterfaceIndex = pTemplateEntry->_usInterfaceIndex;
pDynamicEntry->_usInterfaceMethodSlot = pTemplateEntry->_usInterfaceMethodSlot;
if (pTemplateEntry->_usImplMethodSlot < pTemplateEEType->NumVtableSlots)
{
pDynamicEntry->_usImplMethodSlot = (ushort)state.VTableSlotsMapping.GetVTableSlotInTargetType(pTemplateEntry->_usImplMethodSlot);
Debug.Assert(pDynamicEntry->_usImplMethodSlot < numVtableSlots);
}
else
{
// This is an entry in the sealed vtable. We need to adjust the slot number based on the number of vtable slots
// in the dynamic EEType
pDynamicEntry->_usImplMethodSlot = (ushort)(pTemplateEntry->_usImplMethodSlot - pTemplateEEType->NumVtableSlots + numVtableSlots);
Debug.Assert(state.NumSealedVTableEntries > 0 &&
pDynamicEntry->_usImplMethodSlot >= numVtableSlots &&
(pDynamicEntry->_usImplMethodSlot - numVtableSlots) < state.NumSealedVTableEntries);
}
}
}
if (pTemplateEEType != null)
{
pEEType->DynamicTemplateType = pTemplateEEType;
}
else
{
// Use object as the template type for non-template based EETypes. This will
// allow correct Module identification for types.
if (state.TypeBeingBuilt.HasVariance)
{
// TODO! We need to have a variant EEType here if the type has variance, as the
// CreateGenericInstanceDescForType requires it. However, this is a ridiculous api surface
// When we remove GenericInstanceDescs from the product, get rid of this weird special
// case
pEEType->DynamicTemplateType = typeof(IEnumerable <int>).TypeHandle.ToEETypePtr();
}
else
{
pEEType->DynamicTemplateType = typeof(object).TypeHandle.ToEETypePtr();
}
}
int nonGCStaticDataOffset = 0;
if (!isArray && !isGenericEETypeDef)
{
nonGCStaticDataOffset = state.HasStaticConstructor ? -TypeBuilder.ClassConstructorOffset : 0;
// create GC desc
if (state.GcDataSize != 0 && state.GcStaticDesc == IntPtr.Zero)
{
int cbStaticGCDesc;
state.GcStaticDesc = CreateStaticGCDesc(state.StaticGCLayout, out state.AllocatedStaticGCDesc, out cbStaticGCDesc);
#if GENERICS_FORCE_USG
TestGCDescsForEquality(state.GcStaticDesc, state.NonUniversalStaticGCDesc, cbStaticGCDesc, false);
#endif
}
if (state.ThreadDataSize != 0 && state.ThreadStaticDesc == IntPtr.Zero)
{
int cbThreadStaticGCDesc;
state.ThreadStaticDesc = CreateStaticGCDesc(state.ThreadStaticGCLayout, out state.AllocatedThreadStaticGCDesc, out cbThreadStaticGCDesc);
#if GENERICS_FORCE_USG
TestGCDescsForEquality(state.ThreadStaticDesc, state.NonUniversalThreadStaticGCDesc, cbThreadStaticGCDesc, false);
#endif
}
// If we have a class constructor, our NonGcDataSize MUST be non-zero
Debug.Assert(!state.HasStaticConstructor || (state.NonGcDataSize != 0));
}
if (isGeneric)
{
if (!RuntimeAugments.CreateGenericInstanceDescForType(*(RuntimeTypeHandle *)&pEEType, arity, state.NonGcDataSize, nonGCStaticDataOffset,
state.GcDataSize, (int)state.ThreadStaticOffset, state.GcStaticDesc, state.ThreadStaticDesc, state.GenericVarianceFlags))
{
throw new OutOfMemoryException();
}
}
else
{
Debug.Assert(arity == 0 || isGenericEETypeDef);
// We don't need to report the non-gc and gc static data regions and allocate them for non-generics,
// as we currently place these fields directly into the image
if (!isGenericEETypeDef && state.ThreadDataSize != 0)
{
// Types with thread static fields ALWAYS get a GID. The GID is used to perform GC
// and lifetime management of the thread static data. However, these GIDs are only used for that
// so the specified GcDataSize, etc are 0
if (!RuntimeAugments.CreateGenericInstanceDescForType(*(RuntimeTypeHandle *)&pEEType, 0, 0, 0, 0, (int)state.ThreadStaticOffset, IntPtr.Zero, state.ThreadStaticDesc, null))
{
throw new OutOfMemoryException();
}
}
}
if (state.Dictionary != null)
{
state.HalfBakedDictionary = state.Dictionary.Allocate();
}
Debug.Assert(!state.HalfBakedRuntimeTypeHandle.IsNull());
Debug.Assert((state.NumSealedVTableEntries == 0 && state.HalfBakedSealedVTable == IntPtr.Zero) || (state.NumSealedVTableEntries > 0 && state.HalfBakedSealedVTable != IntPtr.Zero));
Debug.Assert((state.Dictionary == null && state.HalfBakedDictionary == IntPtr.Zero) || (state.Dictionary != null && state.HalfBakedDictionary != IntPtr.Zero));
successful = true;
}
finally
{
if (!successful)
{
if (eeTypePtrPlusGCDesc != IntPtr.Zero)
{
MemoryHelpers.FreeMemory(eeTypePtrPlusGCDesc);
}
if (dynamicDispatchMapPtr != IntPtr.Zero)
{
MemoryHelpers.FreeMemory(dynamicDispatchMapPtr);
}
if (state.HalfBakedSealedVTable != IntPtr.Zero)
{
MemoryHelpers.FreeMemory(state.HalfBakedSealedVTable);
}
if (state.HalfBakedDictionary != IntPtr.Zero)
{
MemoryHelpers.FreeMemory(state.HalfBakedDictionary);
}
if (state.AllocatedStaticGCDesc)
{
MemoryHelpers.FreeMemory(state.GcStaticDesc);
}
if (state.AllocatedThreadStaticGCDesc)
{
MemoryHelpers.FreeMemory(state.ThreadStaticDesc);
}
}
}
}
private unsafe bool TryGetDynamicRuntimeMethodHandleComponents(RuntimeMethodHandle runtimeMethodHandle, out RuntimeTypeHandle declaringTypeHandle, out MethodNameAndSignature nameAndSignature, out RuntimeTypeHandle[] genericMethodArgs)
{
IntPtr runtimeMethodHandleValue = *(IntPtr *)&runtimeMethodHandle;
Debug.Assert((runtimeMethodHandleValue.ToInt64() & 0x1) == 0x1);
// Special flag in the handle value to indicate it was dynamically allocated, and doesn't point into the InvokeMap blob
runtimeMethodHandleValue = runtimeMethodHandleValue - 1;
DynamicMethodHandleInfo *methodData = (DynamicMethodHandleInfo *)runtimeMethodHandleValue.ToPointer();
declaringTypeHandle = *(RuntimeTypeHandle *)&(methodData->DeclaringType);
genericMethodArgs = null;
if (methodData->NumGenericArgs > 0)
{
IntPtr *genericArgPtr = &(methodData->GenericArgsArray);
genericMethodArgs = new RuntimeTypeHandle[methodData->NumGenericArgs];
for (int i = 0; i < methodData->NumGenericArgs; i++)
{
genericMethodArgs[i] = *(RuntimeTypeHandle *)&(genericArgPtr[i]);
}
}
if (methodData->MethodSignature.IsNativeLayoutSignature)
{
// MethodName points to the method name in NativeLayout format, so we parse it using a NativeParser
IntPtr methodNamePtr = methodData->MethodName;
string name = GetStringFromMemoryInNativeFormat(methodNamePtr);
nameAndSignature = new MethodNameAndSignature(name, methodData->MethodSignature);
}
else
{
ModuleInfo moduleInfo = methodData->MethodSignature.GetModuleInfo();
string name;
#if ECMA_METADATA_SUPPORT
if (moduleInfo is NativeFormatModuleInfo)
#endif
{
var metadataReader = ((NativeFormatModuleInfo)moduleInfo).MetadataReader;
var methodHandle = methodData->MethodSignature.Token.AsHandle().ToMethodHandle(metadataReader);
var method = methodHandle.GetMethod(metadataReader);
name = metadataReader.GetConstantStringValue(method.Name).Value;
}
#if ECMA_METADATA_SUPPORT
else
{
var ecmaReader = ((EcmaModuleInfo)moduleInfo).MetadataReader;
var ecmaHandle = System.Reflection.Metadata.Ecma335.MetadataTokens.Handle(methodData->MethodSignature.Token);
var ecmaMethodHandle = (System.Reflection.Metadata.MethodDefinitionHandle)ecmaHandle;
var ecmaMethod = ecmaReader.GetMethodDefinition(ecmaMethodHandle);
name = ecmaReader.GetString(ecmaMethod.Name);
}
#endif
nameAndSignature = new MethodNameAndSignature(name, methodData->MethodSignature);
}
return(true);
}
internal void RegisterDynamicGenericTypesAndMethods(DynamicGenericsRegistrationData registrationData)
{
using (LockHolder.Hold(_dynamicGenericsLock))
{
int registeredTypesCount = 0;
int registeredMethodsCount = 0;
int nativeFormatTypesRegisteredCount = 0;
TypeEntryToRegister[] registeredTypes = null;
GenericMethodEntry[] registeredMethods = null;
try
{
if (registrationData.TypesToRegister != null)
{
registeredTypes = new TypeEntryToRegister[registrationData.TypesToRegisterCount];
foreach (TypeEntryToRegister typeEntry in registrationData.TypesToRegister)
{
// Keep track of registered type handles so that that we can rollback the registration on exception
registeredTypes[registeredTypesCount++] = typeEntry;
// Information tracked in these dictionaries is (partially) redundant with information tracked by MRT.
// We can save a bit of memory by avoiding the redundancy where possible. For now, we are keeping it simple.
// Register type -> components mapping first so that we can use it during rollback below
if (typeEntry.GenericTypeEntry != null)
{
GenericTypeEntry registeredTypeEntry = _dynamicGenericTypes.AddOrGetExisting(typeEntry.GenericTypeEntry);
if (registeredTypeEntry != typeEntry.GenericTypeEntry && registeredTypeEntry._isRegisteredSuccessfully)
{
throw new ArgumentException(SR.Argument_AddingDuplicate);
}
registeredTypeEntry._instantiatedTypeHandle = typeEntry.GenericTypeEntry._instantiatedTypeHandle;
registeredTypeEntry._isRegisteredSuccessfully = true;
}
else
{
MetadataType metadataType = typeEntry.MetadataDefinitionType;
IntPtr nonGcStaticFields = IntPtr.Zero;
IntPtr gcStaticFields = IntPtr.Zero;
#if SUPPORTS_NATIVE_METADATA_TYPE_LOADING
#if SUPPORTS_R2R_LOADING
uint nonGcStaticsRva = 0;
uint gcStaticsRva = 0;
// For images where statics are directly embedded in the image, store the information about where
// to find statics info
if (TypeLoaderEnvironment.TryGetStaticsTableEntry(metadataType, out nonGcStaticsRva, out gcStaticsRva))
{
ModuleInfo moduleInfo = TypeLoaderEnvironment.GetModuleInfoForType(metadataType);
if (nonGcStaticsRva == 0)
{
nonGcStaticFields = TypeLoaderEnvironment.NoStaticsData;
}
else
{
nonGcStaticFields = moduleInfo.Handle + checked ((int)nonGcStaticsRva);
}
if (gcStaticsRva == 0)
{
gcStaticFields = TypeLoaderEnvironment.NoStaticsData;
}
else
{
gcStaticFields = moduleInfo.Handle + checked ((int)gcStaticsRva);
}
}
#endif
TypeSystem.NativeFormat.NativeFormatType nativeFormatType = metadataType as TypeSystem.NativeFormat.NativeFormatType;
if (nativeFormatType != null)
{
RegisterNewNamedTypeRuntimeTypeHandle(new QTypeDefinition(nativeFormatType.MetadataReader,
nativeFormatType.Handle),
nativeFormatType.GetTypeBuilderState().HalfBakedRuntimeTypeHandle,
nonGcStaticFields,
gcStaticFields);
}
#if ECMA_METADATA_SUPPORT
TypeSystem.Ecma.EcmaType ecmaFormatType = metadataType as TypeSystem.Ecma.EcmaType;
if (ecmaFormatType != null)
{
RegisterNewNamedTypeRuntimeTypeHandle(new QTypeDefinition(ecmaFormatType.MetadataReader,
ecmaFormatType.Handle),
ecmaFormatType.GetTypeBuilderState().HalfBakedRuntimeTypeHandle,
nonGcStaticFields,
gcStaticFields);
}
#endif
nativeFormatTypesRegisteredCount++;
#else
Environment.FailFast("Ready to Run module type?");
#endif
}
}
}
Debug.Assert(registeredTypesCount == registrationData.TypesToRegisterCount);
if (registrationData.MethodsToRegister != null)
{
registeredMethods = new GenericMethodEntry[registrationData.MethodsToRegisterCount];
foreach (GenericMethodEntry methodEntry in registrationData.MethodsToRegister)
{
Debug.Assert(methodEntry._methodDictionary != IntPtr.Zero);
// Keep track of registered method dictionaries so that that we can rollback the registration on exception
registeredMethods[registeredMethodsCount++] = methodEntry;
// Register method dictionary -> components mapping first so that we can use it during rollback below
GenericMethodEntry registeredMethodComponentsEntry = _dynamicGenericMethodComponents.AddOrGetExisting(methodEntry);
if (registeredMethodComponentsEntry != methodEntry && registeredMethodComponentsEntry._isRegisteredSuccessfully)
{
throw new ArgumentException(SR.Argument_AddingDuplicate);
}
GenericMethodEntry registeredMethodEntry = _dynamicGenericMethods.AddOrGetExisting(methodEntry);
if (registeredMethodEntry != methodEntry && registeredMethodEntry._isRegisteredSuccessfully)
{
throw new ArgumentException(SR.Argument_AddingDuplicate);
}
Debug.Assert(registeredMethodComponentsEntry == registeredMethodEntry);
registeredMethodEntry._methodDictionary = methodEntry._methodDictionary;
registeredMethodEntry._isRegisteredSuccessfully = true;
}
}
Debug.Assert(registeredMethodsCount == registrationData.MethodsToRegisterCount);
}
catch
{
// Catch and rethrow any exceptions instead of using finally block. Otherwise, filters that are run during
// the first pass of exception unwind may see partially registered types.
// TODO: Convert this to filter for better diagnostics once we switch to Roslyn
// Undo types that were registered. There should be no memory allocations or other failure points.
try
{
for (int i = 0; i < registeredTypesCount; i++)
{
var typeEntry = registeredTypes[i];
// There is no Remove feature in the LockFreeReaderHashtable...
if (typeEntry.GenericTypeEntry != null)
{
GenericTypeEntry failedEntry = _dynamicGenericTypes.GetValueIfExists(typeEntry.GenericTypeEntry);
if (failedEntry != null)
{
failedEntry._isRegisteredSuccessfully = false;
}
}
else
{
#if SUPPORTS_NATIVE_METADATA_TYPE_LOADING
TypeSystem.NativeFormat.NativeFormatType nativeFormatType = typeEntry.MetadataDefinitionType as TypeSystem.NativeFormat.NativeFormatType;
if (nativeFormatType != null)
{
UnregisterNewNamedTypeRuntimeTypeHandle(new QTypeDefinition(nativeFormatType.MetadataReader,
nativeFormatType.Handle),
nativeFormatType.GetTypeBuilderState().HalfBakedRuntimeTypeHandle);
}
#if ECMA_METADATA_SUPPORT
TypeSystem.Ecma.EcmaType ecmaFormatType = typeEntry.MetadataDefinitionType as TypeSystem.Ecma.EcmaType;
if (ecmaFormatType != null)
{
UnregisterNewNamedTypeRuntimeTypeHandle(new QTypeDefinition(ecmaFormatType.MetadataReader,
ecmaFormatType.Handle),
ecmaFormatType.GetTypeBuilderState().HalfBakedRuntimeTypeHandle);
}
#endif
#else
Environment.FailFast("Ready to Run module type?");
#endif
}
}
for (int i = 0; i < registeredMethodsCount; i++)
{
// There is no Remove feature in the LockFreeReaderHashtable...
GenericMethodEntry failedEntry = _dynamicGenericMethods.GetValueIfExists(registeredMethods[i]);
if (failedEntry != null)
{
failedEntry._isRegisteredSuccessfully = false;
}
failedEntry = _dynamicGenericMethodComponents.GetValueIfExists(registeredMethods[i]);
if (failedEntry != null)
{
failedEntry._isRegisteredSuccessfully = false;
}
}
}
catch (Exception e)
{
// Catch any exceptions and fail fast just in case
Environment.FailFast("Exception during registration rollback", e);
}
throw;
}
if (nativeFormatTypesRegisteredCount > 0)
{
FinishAddingNewNamedTypes();
}
}
}