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(); } }