public static bool WritePeToStream( EmitContext context, CommonMessageProvider messageProvider, Func <Stream> getPeStream, Func <Stream> getPortablePdbStreamOpt, PdbWriter nativePdbWriterOpt, string pdbPathOpt, bool allowMissingMethodBodies, bool isDeterministic, CancellationToken cancellationToken) { // If PDB writer is given, we have to have PDB path. Debug.Assert(nativePdbWriterOpt == null || pdbPathOpt != null); MetadataWriter mdWriter = FullMetadataWriter.Create(context, messageProvider, allowMissingMethodBodies, isDeterministic, getPortablePdbStreamOpt != null, cancellationToken); ModulePropertiesForSerialization properties = context.Module.SerializationProperties; nativePdbWriterOpt?.SetMetadataEmitter(mdWriter); // Since we are producing a full assembly, we should not have a module version ID // imposed ahead-of time. Instead we will compute a deterministic module version ID // based on the contents of the generated stream. Debug.Assert(properties.PersistentIdentifier == default(Guid)); BlobBuilder ilBuilder = new BlobBuilder(32 * 1024); BlobBuilder mappedFieldDataBuilder = new BlobBuilder(); BlobBuilder managedResourceBuilder = new BlobBuilder(1024); mdWriter.BuildMetadataAndIL( nativePdbWriterOpt, ilBuilder, mappedFieldDataBuilder, managedResourceBuilder, out Blob mvidFixup, out Blob mvidStringFixup); mdWriter.GetEntryPoints(out MethodDefinitionHandle entryPointHandle, out MethodDefinitionHandle debugEntryPointHandle); if (!debugEntryPointHandle.IsNil) { nativePdbWriterOpt?.SetEntryPoint((uint)MetadataTokens.GetToken(debugEntryPointHandle)); } if (nativePdbWriterOpt != null) { if (mdWriter.Module.OutputKind == OutputKind.WindowsRuntimeMetadata) { // Dev12: If compiling to winmdobj, we need to add to PDB source spans of // all types and members for better error reporting by WinMDExp. nativePdbWriterOpt.WriteDefinitionLocations(mdWriter.Module.GetSymbolToLocationMap()); } else { #if DEBUG // validate that all definitions are writable // if same scenario would happen in an winmdobj project nativePdbWriterOpt.AssertAllDefinitionsHaveTokens(mdWriter.Module.GetSymbolToLocationMap()); #endif } // embedded text not currently supported for native PDB and we should have validated that Debug.Assert(!mdWriter.Module.DebugDocumentsBuilder.EmbeddedDocuments.Any()); } Stream peStream = getPeStream(); if (peStream == null) { return(false); } BlobContentId pdbContentId = nativePdbWriterOpt?.GetContentId() ?? default(BlobContentId); // the writer shall not be used after this point for writing: nativePdbWriterOpt = null; ushort portablePdbVersion = 0; MetadataRootBuilder metadataRootBuilder = mdWriter.GetRootBuilder(); PEHeaderBuilder peHeaderBuilder = new PEHeaderBuilder( machine: properties.Machine, sectionAlignment: properties.SectionAlignment, fileAlignment: properties.FileAlignment, imageBase: properties.BaseAddress, majorLinkerVersion: properties.LinkerMajorVersion, minorLinkerVersion: properties.LinkerMinorVersion, majorOperatingSystemVersion: 4, minorOperatingSystemVersion: 0, majorImageVersion: 0, minorImageVersion: 0, majorSubsystemVersion: properties.MajorSubsystemVersion, minorSubsystemVersion: properties.MinorSubsystemVersion, subsystem: properties.Subsystem, dllCharacteristics: properties.DllCharacteristics, imageCharacteristics: properties.ImageCharacteristics, sizeOfStackReserve: properties.SizeOfStackReserve, sizeOfStackCommit: properties.SizeOfStackCommit, sizeOfHeapReserve: properties.SizeOfHeapReserve, sizeOfHeapCommit: properties.SizeOfHeapCommit); Func <IEnumerable <Blob>, BlobContentId> deterministicIdProvider = isDeterministic ? new Func <IEnumerable <Blob>, BlobContentId>(content => BlobContentId.FromHash(CryptographicHashProvider.ComputeSha1(content))) : null; BlobBuilder portablePdbToEmbed = null; if (mdWriter.EmitStandaloneDebugMetadata) { mdWriter.AddRemainingEmbeddedDocuments(mdWriter.Module.DebugDocumentsBuilder.EmbeddedDocuments); BlobBuilder portablePdbBlob = new BlobBuilder(); PortablePdbBuilder portablePdbBuilder = mdWriter.GetPortablePdbBuilder(metadataRootBuilder.Sizes.RowCounts, debugEntryPointHandle, deterministicIdProvider); pdbContentId = portablePdbBuilder.Serialize(portablePdbBlob); portablePdbVersion = portablePdbBuilder.FormatVersion; if (getPortablePdbStreamOpt == null) { // embed to debug directory: portablePdbToEmbed = portablePdbBlob; } else { // write to Portable PDB stream: Stream portablePdbStream = getPortablePdbStreamOpt(); if (portablePdbStream != null) { portablePdbBlob.WriteContentTo(portablePdbStream); } } } DebugDirectoryBuilder debugDirectoryBuilder; if (pdbPathOpt != null || isDeterministic || portablePdbToEmbed != null) { debugDirectoryBuilder = new DebugDirectoryBuilder(); if (pdbPathOpt != null) { string paddedPath = isDeterministic ? pdbPathOpt : PadPdbPath(pdbPathOpt); debugDirectoryBuilder.AddCodeViewEntry(paddedPath, pdbContentId, portablePdbVersion); } if (isDeterministic) { debugDirectoryBuilder.AddReproducibleEntry(); } if (portablePdbToEmbed != null) { debugDirectoryBuilder.AddEmbeddedPortablePdbEntry(portablePdbToEmbed, portablePdbVersion); } } else { debugDirectoryBuilder = null; } ManagedPEBuilder peBuilder = new ManagedPEBuilder( peHeaderBuilder, metadataRootBuilder, ilBuilder, mappedFieldDataBuilder, managedResourceBuilder, CreateNativeResourceSectionSerializer(context.Module), debugDirectoryBuilder, CalculateStrongNameSignatureSize(context.Module), entryPointHandle, properties.CorFlags, deterministicIdProvider); BlobBuilder peBlob = new BlobBuilder(); BlobContentId peContentId = peBuilder.Serialize(peBlob); PatchModuleVersionIds(mvidFixup, mvidStringFixup, peContentId.Guid); try { peBlob.WriteContentTo(peStream); } catch (Exception e) when(!(e is OperationCanceledException)) { throw new PeWritingException(e); } return(true); }