void DefineAsyncCustomMetadata(MethodDebugInformation info) { if (!info.HasCustomDebugInformations) { return; } foreach (var custom_info in info.CustomDebugInformations) { var async_debug_info = custom_info as AsyncMethodBodyDebugInformation; if (async_debug_info == null) { continue; } using (var stream = new MemoryStream()) { var async_metadata = new BinaryStreamWriter(stream); async_metadata.WriteUInt32(info.StateMachineKickOffMethod != null ? info.StateMachineKickOffMethod.MetadataToken.ToUInt32() : 0); async_metadata.WriteUInt32((uint)async_debug_info.CatchHandler.Offset); async_metadata.WriteUInt32((uint)async_debug_info.Resumes.Count); for (int i = 0; i < async_debug_info.Resumes.Count; ++i) { async_metadata.WriteUInt32((uint)async_debug_info.Yields [i].Offset); async_metadata.WriteUInt32(async_debug_info.resume_methods [i].MetadataToken.ToUInt32()); async_metadata.WriteUInt32((uint)async_debug_info.Resumes [i].Offset); } writer.DefineCustomMetadata("asyncMethodInfo", stream.ToArray()); } } }
public void WriteCustomMetadata() { if (count == 0) { return; } writer.BaseStream.Position = 1; writer.WriteByte((byte)count); writer.Flush(); sym_writer.DefineCustomMetadata("MD2", stream.ToArray()); }
private void DefineCustomMetadata(PdbMethodSymbols pdbSymbols) { // Custom PDB metadata if (pdbSymbols != null) { using (var memoryStream = new MemoryStream()) { var metadata = new BinaryStreamWriter(memoryStream); metadata.WriteByte(4); // version metadata.WriteByte((byte)1); // count metadata.WriteInt16(0); // padding var metadataStartPosition = metadata.BaseStream.Position; var customMetadataCount = 0; if (pdbSymbols.IteratorClass != null) { customMetadataCount++; metadata.WriteByte(4); // version metadata.WriteByte(4); // forward iterator metadata.Align(4); using (new PdbBinaryStreamWriterSizeHelper(metadata)) { metadata.WriteString(pdbSymbols.IteratorClass); metadata.WriteInt16(0); metadata.Align(4); } } if (pdbSymbols.UsingCounts != null) { customMetadataCount++; metadata.WriteByte(4); // version metadata.WriteByte(0); // using info metadata.Align(4); using (new PdbBinaryStreamWriterSizeHelper(metadata)) { metadata.WriteUInt16((ushort)pdbSymbols.UsingCounts.Count); foreach (var uc in pdbSymbols.UsingCounts) { metadata.WriteUInt16(uc); } metadata.Align(4); } } if (pdbSymbols.MethodWhoseUsingInfoAppliesToThisMethod != null) { customMetadataCount++; metadata.WriteByte(4); // version metadata.WriteByte(1); // forward info metadata.Align(4); using (new PdbBinaryStreamWriterSizeHelper(metadata)) { metadata.WriteUInt32(pdbSymbols.MethodWhoseUsingInfoAppliesToThisMethod.MetadataToken.ToUInt32()); } } if (pdbSymbols.IteratorScopes != null) { customMetadataCount++; metadata.WriteByte(4); // version metadata.WriteByte(3); // iterator scopes metadata.Align(4); using (new PdbBinaryStreamWriterSizeHelper(metadata)) { metadata.WriteInt32(pdbSymbols.IteratorScopes.Count); foreach (var scope in pdbSymbols.IteratorScopes) { metadata.WriteInt32(scope.Start.Offset); metadata.WriteInt32(scope.End.Offset); } } } if (metadata.BaseStream.Position != metadataStartPosition) { // Update number of entries metadata.Flush(); metadata.BaseStream.Position = 1; metadata.WriteByte((byte)customMetadataCount); metadata.Flush(); writer.DefineCustomMetadata("MD2", memoryStream.ToArray()); } } // Save back asyncMethodInfo if (pdbSymbols.SynchronizationInformation != null) { using (var memoryStream = new MemoryStream()) { var metadata = new BinaryStreamWriter(memoryStream); metadata.WriteUInt32(pdbSymbols.SynchronizationInformation.KickoffMethod != null ? pdbSymbols.SynchronizationInformation.KickoffMethod.MetadataToken.ToUInt32() : 0); metadata.WriteUInt32(pdbSymbols.SynchronizationInformation.GeneratedCatchHandlerIlOffset); metadata.WriteUInt32((uint)pdbSymbols.SynchronizationInformation.SynchronizationPoints.Count); foreach (var syncPoint in pdbSymbols.SynchronizationInformation.SynchronizationPoints) { metadata.WriteUInt32(syncPoint.SynchronizeOffset); metadata.WriteUInt32(syncPoint.ContinuationMethod != null ? syncPoint.ContinuationMethod.MetadataToken.ToUInt32() : 0); metadata.WriteUInt32(syncPoint.ContinuationOffset); } writer.DefineCustomMetadata("asyncMethodInfo", memoryStream.ToArray()); } } } }