// parent - main containing window that this source window lives inside of. // function - function for which we're building virtual source around. // Get the IL from the given frame. // Called on UI thread. internal VirtualSourceViewerForm(MainForm parent, MDbgFunction function) { m_function = function; Debug.Assert(function != null); // Now actually right in text. do this first so that we can get the current font. BeginInit(parent); // Get fonts FontCache cache; { Font fontCurrent = this.richText.Font; Font emphasis = new Font( fontCurrent.FontFamily, fontCurrent.Size, FontStyle.Bold ); cache = new FontCache(emphasis); } // Underlying writer to the window. RawWriter rawWriter = new RawWriter(cache); // Il2Native mapping can be used to find out what IL offsets we can actually stop on. Il2NativeIterator il2nativeIterator = null; // Actual IL disassembly in string form. ILDasmIterator ilDasm = null; // Iterator through sequence points and source files. SequencePointIterator seqIterator = null; string fullName = "?"; int token = 0; ulong nativeStartAddress = 0; CorDebugJITCompilerFlags codeFlags = CorDebugJITCompilerFlags.CORDEBUG_JIT_DEFAULT; // Make cross-thread call to worker thread to collect raw information. // This needs to access MDbg and so can't be done on our UI thread. parent.ExecuteOnWorkerThreadIfStoppedAndBlock(delegate(MDbgProcess proc) { Debug.Assert(proc != null); Debug.Assert(!proc.IsRunning); Debug.Assert(function.Module.Process == proc); // Get some properties about this function to display. token = function.CorFunction.Token; nativeStartAddress = function.CorFunction.NativeCode.Address; codeFlags = function.CorFunction.NativeCode.CompilerFlags; CorCode ilCode = function.CorFunction.ILCode; Debug.Assert(true == ilCode.IsIL); byte[] code = ilCode.GetCode(); fullName = function.FullName; // This does the real disassembly work. string[] lines = null; // strings of IL. ILDisassembler.Disassemble(code, function.Module.Importer, out lines, out m_il2RowMapping); ilDasm = new ILDasmIterator(rawWriter, m_il2RowMapping, lines); IL2NativeMap[] il2nativeMapping = function.CorFunction.NativeCode.GetILToNativeMapping(); il2nativeIterator = new Il2NativeIterator(rawWriter, il2nativeMapping, code); // Get sequence points ISymbolMethod symMethod = function.SymMethod; // Sequence point information int[] seqIlOffsets = null; string[] seqPaths = null; int[] seqStartLines = null, seqEndLines = null, seqStartColumns = null, seqEndColumns = null; int seqCount = 0; if (symMethod != null) { seqCount = symMethod.SequencePointCount; seqIlOffsets = new int[seqCount]; ISymbolDocument[] seqDocuments = new ISymbolDocument[seqCount]; seqPaths = new string[seqCount]; seqStartLines = new int[seqCount]; seqEndLines = new int[seqCount]; seqStartColumns = new int[seqCount]; seqEndColumns = new int[seqCount]; symMethod.GetSequencePoints(seqIlOffsets, seqDocuments, seqStartLines, seqStartColumns, seqEndLines, seqEndColumns); for (int i = 0; i < seqCount; i++) { seqPaths[i] = seqDocuments[i].URL; } } seqIterator = new SequencePointIterator(rawWriter, parent, seqIlOffsets, seqPaths, seqStartLines, seqStartColumns, seqEndLines, seqEndColumns); } ); // end worker call // We assume sequence points are sorted by IL offset. We assert that in the iterators below. // Now we need to go through and stitch the IL + Source together. // This also works even if we have no source (since that's just the degenerate case of 0 sequence points) // Print out header information Debug.Assert(token != 0); rawWriter.WriteLine(String.Format(CultureInfo.InvariantCulture, "> Function name:{0} (token={1:x})", fullName, token)); rawWriter.WriteLine(String.Format(CultureInfo.InvariantCulture, "> Native Code Address =0x{0:x}, flags={1}", nativeStartAddress, codeFlags)); // Walk through the IL in order and write out interleaved IL and Sequence Points. while (!seqIterator.IsDone) { // Add IL snippets that occur before this sequence point. WriteIlAndNative(ilDasm, il2nativeIterator, seqIterator.IlOffset); seqIterator.WriteSource(); seqIterator.Next(); } // Write the IL that's after the last sequence point WriteIlAndNative(ilDasm, il2nativeIterator, ilDasm.IlLength); // Set the text. InitLines(null, rawWriter.Lines, rawWriter.FormatList); EndInit(fullName); }
internal VirtualSourceViewerForm(MainForm parent, MDbgFunction function) { m_function = function; Debug.Assert(function != null); // Now actually right in text. do this first so that we can get the current font. BeginInit(parent); // Get fonts FontCache cache; { Font fontCurrent = richText.Font; var emphasis = new Font( fontCurrent.FontFamily, fontCurrent.Size, FontStyle.Bold ); cache = new FontCache(emphasis); } // Underlying writer to the window. var rawWriter = new RawWriter(cache); // Il2Native mapping can be used to find out what IL offsets we can actually stop on. Il2NativeIterator il2nativeIterator = null; // Actual IL disassembly in string form. ILDasmIterator ilDasm = null; // Iterator through sequence points and source files. SequencePointIterator seqIterator = null; string fullName = "?"; int token = 0; ulong nativeStartAddress = 0; CorDebugJITCompilerFlags codeFlags = CorDebugJITCompilerFlags.CORDEBUG_JIT_DEFAULT; // Make cross-thread call to worker thread to collect raw information. // This needs to access MDbg and so can't be done on our UI thread. parent.ExecuteOnWorkerThreadIfStoppedAndBlock(delegate(MDbgProcess proc) { Debug.Assert(proc != null); Debug.Assert(!proc.IsRunning); Debug.Assert(function.Module.Process == proc); // Get some properties about this function to display. token = function.CorFunction.Token; nativeStartAddress = function.CorFunction.NativeCode.Address; codeFlags = function.CorFunction.NativeCode.CompilerFlags; CorCode ilCode = function.CorFunction.ILCode; Debug.Assert(ilCode.IsIL); byte[] code = ilCode.GetCode(); fullName = function.FullName; // This does the real disassembly work. string[] lines = null; // strings of IL. ILDisassembler.Disassemble(code, function.Module.Importer, out lines, out m_il2RowMapping); ilDasm = new ILDasmIterator(rawWriter, m_il2RowMapping, lines); IL2NativeMap[] il2nativeMapping = function.CorFunction.NativeCode. GetILToNativeMapping(); il2nativeIterator = new Il2NativeIterator(rawWriter, il2nativeMapping, code); // Get sequence points ISymbolMethod symMethod = function.SymMethod; // Sequence point information int[] seqIlOffsets = null; string[] seqPaths = null; int[] seqStartLines = null, seqEndLines = null, seqStartColumns = null, seqEndColumns = null; int seqCount = 0; if (symMethod != null) { seqCount = symMethod.SequencePointCount; seqIlOffsets = new int[seqCount]; var seqDocuments = new ISymbolDocument[seqCount]; seqPaths = new string[seqCount]; seqStartLines = new int[seqCount]; seqEndLines = new int[seqCount]; seqStartColumns = new int[seqCount]; seqEndColumns = new int[seqCount]; symMethod.GetSequencePoints(seqIlOffsets, seqDocuments, seqStartLines, seqStartColumns, seqEndLines, seqEndColumns); for (int i = 0; i < seqCount; i++) { seqPaths[i] = seqDocuments[i].URL; } } seqIterator = new SequencePointIterator(rawWriter, parent, seqIlOffsets, seqPaths, seqStartLines, seqStartColumns, seqEndLines, seqEndColumns); } ); // end worker call // We assume sequence points are sorted by IL offset. We assert that in the iterators below. // Now we need to go through and stitch the IL + Source together. // This also works even if we have no source (since that's just the degenerate case of 0 sequence points) // Print out header information Debug.Assert(token != 0); rawWriter.WriteLine(String.Format(CultureInfo.InvariantCulture, "> Function name:{0} (token={1:x})", fullName, token)); rawWriter.WriteLine(String.Format(CultureInfo.InvariantCulture, "> Native Code Address =0x{0:x}, flags={1}", nativeStartAddress, codeFlags)); // Walk through the IL in order and write out interleaved IL and Sequence Points. while (!seqIterator.IsDone) { // Add IL snippets that occur before this sequence point. WriteIlAndNative(ilDasm, il2nativeIterator, seqIterator.IlOffset); seqIterator.WriteSource(); seqIterator.Next(); } // Write the IL that's after the last sequence point WriteIlAndNative(ilDasm, il2nativeIterator, ilDasm.IlLength); // Set the text. InitLines(null, rawWriter.Lines, rawWriter.FormatList); EndInit(fullName); }