/// <summary>
/// Parse a single available types section. For composite R2R images this method is called multiple times
/// as available types are stored separately for each component assembly of the composite R2R executable.
/// </summary>
/// <param name="availableTypesSection"></param>
private void ParseAvailableTypesSection(ReadyToRunSection availableTypesSection, MetadataReader metadataReader)
{
int availableTypesOffset = GetOffset(availableTypesSection.RelativeVirtualAddress);
NativeParser parser = new NativeParser(Image, (uint)availableTypesOffset);
NativeHashtable availableTypes = new NativeHashtable(Image, parser, (uint)(availableTypesOffset + availableTypesSection.Size));
NativeHashtable.AllEntriesEnumerator allEntriesEnum = availableTypes.EnumerateAllEntries();
NativeParser curParser = allEntriesEnum.GetNext();
while (!curParser.IsNull())
{
uint rid = curParser.GetUnsigned();
bool isExportedType = (rid & 1) != 0;
rid = rid >> 1;
if (isExportedType)
{
ExportedTypeHandle exportedTypeHandle = MetadataTokens.ExportedTypeHandle((int)rid);
string exportedTypeName = GetExportedTypeFullName(metadataReader, exportedTypeHandle);
_availableTypes.Add("exported " + exportedTypeName);
}
else
{
TypeDefinitionHandle typeDefHandle = MetadataTokens.TypeDefinitionHandle((int)rid);
string typeDefName = MetadataNameFormatter.FormatHandle(metadataReader, typeDefHandle);
_availableTypes.Add(typeDefName);
}
curParser = allEntriesEnum.GetNext();
}
}
/// <summary>
/// Initialize generic method instances with argument types and runtime function indices from InstanceMethodEntrypoints
/// </summary>
private void ParseInstanceMethodEntrypointsCustom <TType, TMethod, TGenericContext>(IR2RSignatureTypeProvider <TType, TMethod, TGenericContext> provider, Dictionary <TMethod, ReadyToRunMethod> foundMethods)
{
if (!ReadyToRunHeader.Sections.TryGetValue(ReadyToRunSectionType.InstanceMethodEntryPoints, out ReadyToRunSection instMethodEntryPointSection))
{
return;
}
int instMethodEntryPointsOffset = GetOffset(instMethodEntryPointSection.RelativeVirtualAddress);
NativeParser parser = new NativeParser(Image, (uint)instMethodEntryPointsOffset);
NativeHashtable instMethodEntryPoints = new NativeHashtable(Image, parser, (uint)(instMethodEntryPointsOffset + instMethodEntryPointSection.Size));
NativeHashtable.AllEntriesEnumerator allEntriesEnum = instMethodEntryPoints.EnumerateAllEntries();
NativeParser curParser = allEntriesEnum.GetNext();
while (!curParser.IsNull())
{
IAssemblyMetadata mdReader = GetGlobalMetadata();
var decoder = new R2RSignatureDecoder <TType, TMethod, TGenericContext>(provider, default(TGenericContext), mdReader.MetadataReader, this, (int)curParser.Offset);
TMethod customMethod = decoder.ParseMethod();
int runtimeFunctionId;
int?fixupOffset;
GetRuntimeFunctionIndexFromOffset((int)decoder.Offset, out runtimeFunctionId, out fixupOffset);
ReadyToRunMethod r2rMethod = _runtimeFunctionToMethod[runtimeFunctionId];
if (!Object.ReferenceEquals(customMethod, null) && !foundMethods.ContainsKey(customMethod))
{
foundMethods.Add(customMethod, r2rMethod);
}
foundMethods.Add(customMethod, r2rMethod);
curParser = allEntriesEnum.GetNext();
}
}
/// <summary>
/// Iterates through a native hashtable to get all RIDs
/// </summary>
private void ParseAvailableTypes()
{
if (!R2RHeader.Sections.ContainsKey(R2RSection.SectionType.READYTORUN_SECTION_AVAILABLE_TYPES))
{
return;
}
R2RSection availableTypesSection = R2RHeader.Sections[R2RSection.SectionType.READYTORUN_SECTION_AVAILABLE_TYPES];
int availableTypesOffset = GetOffset(availableTypesSection.RelativeVirtualAddress);
NativeParser parser = new NativeParser(Image, (uint)availableTypesOffset);
NativeHashtable availableTypes = new NativeHashtable(Image, parser, (uint)(availableTypesOffset + availableTypesSection.Size));
NativeHashtable.AllEntriesEnumerator allEntriesEnum = availableTypes.EnumerateAllEntries();
NativeParser curParser = allEntriesEnum.GetNext();
while (!curParser.IsNull())
{
uint rid = curParser.GetUnsigned();
bool isExportedType = (rid & 1) != 0;
rid = rid >> 1;
if (isExportedType)
{
ExportedTypeHandle exportedTypeHandle = MetadataTokens.ExportedTypeHandle((int)rid);
string exportedTypeName = GetExportedTypeFullName(MetadataReader, exportedTypeHandle);
AvailableTypes.Add("exported " + exportedTypeName);
}
else
{
TypeDefinitionHandle typeDefHandle = MetadataTokens.TypeDefinitionHandle((int)rid);
string typeDefName = MetadataNameFormatter.FormatHandle(MetadataReader, typeDefHandle);
AvailableTypes.Add(typeDefName);
}
curParser = allEntriesEnum.GetNext();
}
}
/// <summary>
/// Initialize generic method instances with argument types and runtime function indices from InstanceMethodEntrypoints
/// </summary>
private void ParseInstanceMethodEntrypoints(bool[] isEntryPoint)
{
if (!ReadyToRunHeader.Sections.TryGetValue(ReadyToRunSectionType.InstanceMethodEntryPoints, out ReadyToRunSection instMethodEntryPointSection))
{
return;
}
int instMethodEntryPointsOffset = GetOffset(instMethodEntryPointSection.RelativeVirtualAddress);
NativeParser parser = new NativeParser(Image, (uint)instMethodEntryPointsOffset);
NativeHashtable instMethodEntryPoints = new NativeHashtable(Image, parser, (uint)(instMethodEntryPointsOffset + instMethodEntryPointSection.Size));
NativeHashtable.AllEntriesEnumerator allEntriesEnum = instMethodEntryPoints.EnumerateAllEntries();
NativeParser curParser = allEntriesEnum.GetNext();
while (!curParser.IsNull())
{
MetadataReader mdReader = _composite ? null : _assemblyCache[0];
SignatureDecoder decoder = new SignatureDecoder(_assemblyResolver, mdReader, this, (int)curParser.Offset);
string owningType = null;
uint methodFlags = decoder.ReadUInt();
if ((methodFlags & (uint)ReadyToRunMethodSigFlags.READYTORUN_METHOD_SIG_OwnerType) != 0)
{
mdReader = decoder.GetMetadataReaderFromModuleOverride() ?? mdReader;
if ((_composite) && mdReader == null)
{
// The only types that don't have module overrides on them in composite images are primitive types within the system module
mdReader = GetSystemModuleMetadataReader();
}
owningType = decoder.ReadTypeSignatureNoEmit();
}
if ((methodFlags & (uint)ReadyToRunMethodSigFlags.READYTORUN_METHOD_SIG_SlotInsteadOfToken) != 0)
{
throw new NotImplementedException();
}
EntityHandle methodHandle;
int rid = (int)decoder.ReadUInt();
if ((methodFlags & (uint)ReadyToRunMethodSigFlags.READYTORUN_METHOD_SIG_MemberRefToken) != 0)
{
methodHandle = MetadataTokens.MemberReferenceHandle(rid);
}
else
{
methodHandle = MetadataTokens.MethodDefinitionHandle(rid);
}
string[] methodTypeArgs = null;
if ((methodFlags & (uint)ReadyToRunMethodSigFlags.READYTORUN_METHOD_SIG_MethodInstantiation) != 0)
{
uint typeArgCount = decoder.ReadUInt();
methodTypeArgs = new string[typeArgCount];
for (int typeArgIndex = 0; typeArgIndex < typeArgCount; typeArgIndex++)
{
methodTypeArgs[typeArgIndex] = decoder.ReadTypeSignatureNoEmit();
}
}
string constrainedType = null;
if ((methodFlags & (uint)ReadyToRunMethodSigFlags.READYTORUN_METHOD_SIG_Constrained) != 0)
{
constrainedType = decoder.ReadTypeSignatureNoEmit();
}
int runtimeFunctionId;
int?fixupOffset;
GetRuntimeFunctionIndexFromOffset((int)decoder.Offset, out runtimeFunctionId, out fixupOffset);
ReadyToRunMethod method = new ReadyToRunMethod(
this,
_methods.Count,
mdReader,
methodHandle,
runtimeFunctionId,
owningType,
constrainedType,
methodTypeArgs,
fixupOffset);
if (method.EntryPointRuntimeFunctionId >= 0 && method.EntryPointRuntimeFunctionId < isEntryPoint.Length)
{
isEntryPoint[method.EntryPointRuntimeFunctionId] = true;
}
if (!Methods.TryGetValue(instMethodEntryPointSection, out List <ReadyToRunMethod> sectionMethods))
{
sectionMethods = new List <ReadyToRunMethod>();
Methods.Add(instMethodEntryPointSection, sectionMethods);
}
sectionMethods.Add(method);
_instanceMethods.Add(new InstanceMethod(curParser.LowHashcode, method));
curParser = allEntriesEnum.GetNext();
}
}
/// <summary>
/// Initialize generic method instances with argument types and runtime function indices from InstanceMethodEntrypoints
/// </summary>
private void ParseInstanceMethodEntrypoints(bool[] isEntryPoint)
{
if (!R2RHeader.Sections.ContainsKey(R2RSection.SectionType.READYTORUN_SECTION_INSTANCE_METHOD_ENTRYPOINTS))
{
return;
}
R2RSection instMethodEntryPointSection = R2RHeader.Sections[R2RSection.SectionType.READYTORUN_SECTION_INSTANCE_METHOD_ENTRYPOINTS];
int instMethodEntryPointsOffset = GetOffset(instMethodEntryPointSection.RelativeVirtualAddress);
NativeParser parser = new NativeParser(Image, (uint)instMethodEntryPointsOffset);
NativeHashtable instMethodEntryPoints = new NativeHashtable(Image, parser, (uint)(instMethodEntryPointsOffset + instMethodEntryPointSection.Size));
NativeHashtable.AllEntriesEnumerator allEntriesEnum = instMethodEntryPoints.EnumerateAllEntries();
NativeParser curParser = allEntriesEnum.GetNext();
while (!curParser.IsNull())
{
SignatureDecoder decoder = new SignatureDecoder(_assemblyResolver, this, (int)curParser.Offset);
MetadataReader mdReader = MetadataReader;
string owningType = null;
uint methodFlags = decoder.ReadUInt();
if ((methodFlags & (uint)ReadyToRunMethodSigFlags.READYTORUN_METHOD_SIG_OwnerType) != 0)
{
mdReader = decoder.GetMetadataReaderFromModuleOverride();
owningType = decoder.ReadTypeSignatureNoEmit();
}
if ((methodFlags & (uint)ReadyToRunMethodSigFlags.READYTORUN_METHOD_SIG_SlotInsteadOfToken) != 0)
{
throw new NotImplementedException();
}
EntityHandle methodHandle;
int rid = (int)decoder.ReadUInt();
if ((methodFlags & (uint)ReadyToRunMethodSigFlags.READYTORUN_METHOD_SIG_MemberRefToken) != 0)
{
methodHandle = MetadataTokens.MemberReferenceHandle(rid);
}
else
{
methodHandle = MetadataTokens.MethodDefinitionHandle(rid);
}
string[] methodTypeArgs = null;
if ((methodFlags & (uint)ReadyToRunMethodSigFlags.READYTORUN_METHOD_SIG_MethodInstantiation) != 0)
{
uint typeArgCount = decoder.ReadUInt();
methodTypeArgs = new string[typeArgCount];
for (int typeArgIndex = 0; typeArgIndex < typeArgCount; typeArgIndex++)
{
methodTypeArgs[typeArgIndex] = decoder.ReadTypeSignatureNoEmit();
}
}
string constrainedType = null;
if ((methodFlags & (uint)ReadyToRunMethodSigFlags.READYTORUN_METHOD_SIG_Constrained) != 0)
{
constrainedType = decoder.ReadTypeSignatureNoEmit();
}
int runtimeFunctionId;
FixupCell[] fixups;
GetRuntimeFunctionIndexFromOffset((int)decoder.Offset, out runtimeFunctionId, out fixups);
R2RMethod method = new R2RMethod(
R2RMethods.Count,
mdReader == null ? MetadataReader : mdReader,
methodHandle,
runtimeFunctionId,
owningType,
constrainedType,
methodTypeArgs,
fixups);
if (method.EntryPointRuntimeFunctionId >= 0 && method.EntryPointRuntimeFunctionId < isEntryPoint.Length)
{
isEntryPoint[method.EntryPointRuntimeFunctionId] = true;
}
R2RMethods.Add(method);
InstanceMethods.Add(new InstanceMethod(curParser.LowHashcode, method));
curParser = allEntriesEnum.GetNext();
}
}