void EnsurePgoData()
{
if (_pgoData == null)
{
var compressedIntParser = new PgoProcessor.PgoEncodedCompressedIntParser(Image, Offset);
SignatureFormattingOptions formattingOptions = new SignatureFormattingOptions();
_pgoData = PgoProcessor.ParsePgoData <string>(new PgoDataLoader(_r2rReader, formattingOptions), compressedIntParser, true).ToArray();
_size = compressedIntParser.Offset - Offset;
}
}
public PgoDataLoader(ReadyToRunReader r2rReader, SignatureFormattingOptions formatOptions)
{
_formatOptions = formatOptions;
_r2rReader = r2rReader;
}
/// <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())
{
IAssemblyMetadata mdReader = GetGlobalMetadata();
SignatureFormattingOptions dummyOptions = new SignatureFormattingOptions();
SignatureDecoder decoder = new SignatureDecoder(_assemblyResolver, dummyOptions, mdReader?.MetadataReader, 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,
mdReader,
methodHandle,
runtimeFunctionId,
owningType,
constrainedType,
methodTypeArgs,
fixupOffset);
if (method.EntryPointRuntimeFunctionId >= 0 && method.EntryPointRuntimeFunctionId < isEntryPoint.Length)
{
isEntryPoint[method.EntryPointRuntimeFunctionId] = true;
}
_instanceMethods.Add(new InstanceMethod(curParser.LowHashcode, method));
curParser = allEntriesEnum.GetNext();
}
}
