Added UnwindInfo as an optional printout

ILSpy.ReadyToRun/ReadyToRunLanguage.cs

@@ -103,9 +103,47 @@ namespace ICSharpCode.ILSpy.ReadyToRun
 			output.WriteLine("; " + comment);
 		}
 
+		private Dictionary<ulong, ILCompiler.Reflection.ReadyToRun.Amd64.UnwindCode> WriteUnwindInfo(ReadyToRunMethod readyToRunMethod, ITextOutput output)
+		{
+			IReadOnlyList<RuntimeFunction> runTimeList = readyToRunMethod.RuntimeFunctions;
+			Dictionary<ulong, ILCompiler.Reflection.ReadyToRun.Amd64.UnwindCode> unwindCodes = new Dictionary<ulong, ILCompiler.Reflection.ReadyToRun.Amd64.UnwindCode>();
+			foreach (RuntimeFunction i in runTimeList) {
+				if (i.UnwindInfo is ILCompiler.Reflection.ReadyToRun.Amd64.UnwindInfo amd64UnwindInfo) {
+					string parsedFlags = "";
+					if ((amd64UnwindInfo.Flags & (int)ILCompiler.Reflection.ReadyToRun.Amd64.UnwindFlags.UNW_FLAG_EHANDLER) != 0) {
+						parsedFlags += " EHANDLER";
+					}
+					if ((amd64UnwindInfo.Flags & (int)ILCompiler.Reflection.ReadyToRun.Amd64.UnwindFlags.UNW_FLAG_UHANDLER) != 0) {
+						parsedFlags += " UHANDLER";
+					}
+					if ((amd64UnwindInfo.Flags & (int)ILCompiler.Reflection.ReadyToRun.Amd64.UnwindFlags.UNW_FLAG_CHAININFO) != 0) {
+						parsedFlags += " CHAININFO";
+					}
+					if (parsedFlags.Length == 0) {
+						parsedFlags = " NHANDLER";
+					}
+					WriteCommentLine(output, $"UnwindInfo:");
+					WriteCommentLine(output, $"Version:            {amd64UnwindInfo.Version}");
+					WriteCommentLine(output, $"Flags:              0x{amd64UnwindInfo.Flags:X2}{parsedFlags}");
+					WriteCommentLine(output, $"FrameRegister:      {((amd64UnwindInfo.FrameRegister == 0) ? "none" : amd64UnwindInfo.FrameRegister.ToString())}");
+					for (int unwindCodeIndex = 0; unwindCodeIndex < amd64UnwindInfo.CountOfUnwindCodes; unwindCodeIndex++) {
+						unwindCodes.Add(amd64UnwindInfo.UnwindCodeArray[unwindCodeIndex].CodeOffset, amd64UnwindInfo.UnwindCodeArray[unwindCodeIndex]);
+						
+					}
+				}
+			}
+			return unwindCodes;
+		}
+
 		private void Disassemble(PEFile currentFile, ITextOutput output, ReadyToRunReader reader, ReadyToRunMethod readyToRunMethod, RuntimeFunction runtimeFunction, int bitness, ulong address, bool showMetadataTokens, bool showMetadataTokensInBase10)
 		{
 			WriteCommentLine(output, readyToRunMethod.SignatureString);
+			Dictionary<ulong, ILCompiler.Reflection.ReadyToRun.Amd64.UnwindCode> unwindInfo = null;
+			if (ReadyToRunOptions.GetIsChecked(null)) {
+				unwindInfo = WriteUnwindInfo(readyToRunMethod, output);
+				WriteCommentLine(output, unwindInfo.ToString());
+			}
+			
 			byte[] codeBytes = new byte[runtimeFunction.Size];
 			for (int i = 0; i < runtimeFunction.Size; i++) {
 				codeBytes[i] = reader.Image[reader.GetOffset(runtimeFunction.StartAddress) + i];
@@ -133,6 +171,7 @@ namespace ICSharpCode.ILSpy.ReadyToRun
 			formatter.Options.DigitSeparator = "`";
 			formatter.Options.FirstOperandCharIndex = 10;
 			var tempOutput = new StringOutput();
+			ulong baseInstrIP = instructions[0].IP;
 			foreach (var instr in instructions) {
 				int byteBaseIndex = (int)(instr.IP - address);
 				if (runtimeFunction.DebugInfo != null) {
@@ -160,6 +199,10 @@ namespace ICSharpCode.ILSpy.ReadyToRun
 				output.Write(" ");
 				output.Write(tempOutput.ToStringAndReset());
 				int importCellAddress = (int)instr.IPRelativeMemoryAddress;
+				if (unwindInfo!= null && unwindInfo.ContainsKey(instr.IP - baseInstrIP)) {
+					ILCompiler.Reflection.ReadyToRun.Amd64.UnwindCode unwindCode = unwindInfo[instr.IP - baseInstrIP];
+					output.Write($" ; UnwindCode: OpCode: {unwindCode.UnwindOp} Op: {unwindCode.OpInfoStr}");
+				}
 				if (instr.IsCallNearIndirect && reader.ImportCellNames.ContainsKey(importCellAddress)) {
 					output.Write(" ; ");
 					ReadyToRunSignature signature = reader.ImportSignatures[(int)instr.IPRelativeMemoryAddress];
@@ -190,6 +233,7 @@ namespace ICSharpCode.ILSpy.ReadyToRun
 							output.WriteLine(reader.ImportCellNames[importCellAddress]);
 							break;
 					}
+
 					output.WriteLine();
 				} else {
 					output.WriteLine();

ILSpy.ReadyToRun/ReadyToRunOptionPage.xaml

@@ -3,8 +3,15 @@
 	xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
 	<StackPanel>
 		<StackPanel Orientation="Horizontal">
-			<TextBlock>Disassembly Format</TextBlock>
-			<ComboBox ItemsSource="{Binding DisassemblyFormats}" SelectedItem="{Binding DisassemblyFormat}"/>
+			<StackPanel Orientation="Vertical">
+				<TextBlock>Disassembly Format</TextBlock>
+				<TextBlock>Show Unwind Info</TextBlock>
+			</StackPanel>
+			<StackPanel Orientation="Vertical">
+				<ComboBox ItemsSource="{Binding DisassemblyFormats}" SelectedItem="{Binding DisassemblyFormat}"/>
+				<CheckBox IsChecked="{Binding IsChecked}"></CheckBox>
+
+			</StackPanel>
 		</StackPanel>
 	</StackPanel>
 </UserControl>

ILSpy.ReadyToRun/ReadyToRunOptionPage.xaml.cs

@@ -35,6 +35,8 @@ namespace ICSharpCode.ILSpy.ReadyToRun
 		{
 			Options s = new Options();
 			s.DisassemblyFormat = ReadyToRunOptions.GetDisassemblyFormat(settings);
+			s.IsChecked = ReadyToRunOptions.GetIsChecked(settings);
+
 			this.DataContext = s;
 		}
 
@@ -46,7 +48,7 @@ namespace ICSharpCode.ILSpy.ReadyToRun
 		public void Save(XElement root)
 		{
 			Options s = (Options)this.DataContext;
-			ReadyToRunOptions.SetDisassemblyFormat(root, s.DisassemblyFormat);
+			ReadyToRunOptions.SetDisassemblyOptions(root, s.DisassemblyFormat, s.IsChecked);
 		}
 	}
 
@@ -58,6 +60,17 @@ namespace ICSharpCode.ILSpy.ReadyToRun
 			}
 		}
 
+		private bool isChecked;
+		public bool IsChecked {
+			get {
+				return isChecked;
+			}
+			set {
+				isChecked = value;
+				OnPropertyChanged(nameof(IsChecked));
+			}
+		}
+
 		private string disassemblyFormat;
 
 		public string DisassemblyFormat {

ILSpy.ReadyToRun/ReadyToRunOptions.cs

@@ -42,10 +42,25 @@ namespace ICSharpCode.ILSpy.ReadyToRun
 			}
 		}
 
-		public static void SetDisassemblyFormat(XElement root, string disassemblyFormat)
+		public static bool GetIsChecked(ILSpySettings settings)
+		{
+			if (settings == null) {
+				settings = ILSpySettings.Load();
+			}
+			XElement e = settings[ns + "ReadyToRunOptions"];
+			XAttribute a = e.Attribute("IsChecked");
+			if (a == null) {
+				return false;
+			} else {
+				return (bool)a;
+			}
+		}
+
+		public static void SetDisassemblyOptions(XElement root, string disassemblyFormat, bool isChecked)
 		{
 			XElement section = new XElement(ns + "ReadyToRunOptions");
 			section.SetAttributeValue("DisassemblyFormat", disassemblyFormat);
+			section.SetAttributeValue("IsChecked", isChecked);
 
 			XElement existingElement = root.Element(ns + "ReadyToRunOptions");
 			if (existingElement != null) {
@@ -54,5 +69,6 @@ namespace ICSharpCode.ILSpy.ReadyToRun
 				root.Add(section);
 			}
 		}
+
 	}
 }