private void FireTargetEvent(TargetEventType type, ResultData curFrame, BreakEvent breakEvent = null) { UpdateHitCountData(); TargetEventArgs args = new TargetEventArgs(type); if (type != TargetEventType.TargetExited) { GdbCommandResult res = RunCommand("-stack-info-depth"); int fcount = int.Parse(res.GetValue("depth")); GdbBacktrace bt = new GdbBacktrace(this, activeThread, fcount, curFrame); args.Backtrace = new Backtrace(bt); args.Thread = GetThread(activeThread); args.BreakEvent = breakEvent; } if (_suppressEvents && type == TargetEventType.TargetStopped) { args.IsStopEvent = true; TargetStoppedWhenSuppressed?.Invoke(this, args); } else { OnTargetEvent(args); } }
public GdbCommandResult RunCommand(string command, int timeout = 30000, params string[] args) { lock (gdbLock) { lock (syncLock) { lastResult = null; lock (eventLock) { running = true; } if (logGdb) { _console.WriteLine("gdb<: " + command + " " + string.Join(" ", args)); } sin.WriteLine(command + " " + string.Join(" ", args)); if (!Monitor.Wait(syncLock, timeout)) { lastResult = new GdbCommandResult(""); lastResult.Status = CommandStatus.Timeout; throw new TimeoutException(); } return(lastResult); } } }
public override AssemblyLine[] GetLines(long startAddr, long endAddr) { GdbCommandResult data = null; data = session.RunCommand("-data-disassemble", "-s", startAddr.ToString(), "-e", endAddr.ToString(), "--", "0"); if (data.Status == CommandStatus.Done) { ResultData ins = data.GetObject("asm_insns"); AssemblyLine[] alines = new AssemblyLine[ins.Count]; for (int n = 0; n < ins.Count; n++) { ResultData aline = ins.GetObject(n); long addr = long.Parse(aline.GetValue("address").Substring(2), NumberStyles.HexNumber); AssemblyLine line = new AssemblyLine(addr, aline.GetValue("inst")); alines[n] = line; } return(alines); } else { long range = endAddr - startAddr; AssemblyLine[] badlines = new AssemblyLine[range]; for (int n = 0; n < range; n++) { badlines[n] = new AssemblyLine(startAddr + n, "Unable to read data."); } return(badlines); } }
private bool CheckBreakpoint(int handle) { BreakEventInfo binfo; if (!breakpoints.TryGetValue(handle, out binfo)) { return(true); } Breakpoint bp = (Breakpoint)binfo.BreakEvent; if (!string.IsNullOrEmpty(bp.ConditionExpression) && bp.BreakIfConditionChanges) { // Update the condition expression GdbCommandResult res = RunCommand("-data-evaluate-expression", Escape(bp.ConditionExpression)); string val = res.GetValue("value"); RunCommand("-break-condition", handle.ToString(), "(" + bp.ConditionExpression + ") != " + val); } if (!string.IsNullOrEmpty(bp.TraceExpression) && bp.HitAction == HitAction.PrintExpression) { GdbCommandResult res = RunCommand("-data-evaluate-expression", Escape(bp.TraceExpression)); string val = res.GetValue("value"); NotifyBreakEventUpdate(binfo, 0, val); return(false); } return(true); }
private ObjectValue CreateVarObject(string exp) { try { session.SelectThread(threadId); exp = exp.Replace("\"", "\\\""); GdbCommandResult res = session.RunCommand("-var-create", "-", "*", "\"" + exp + "\""); if (res.Status == CommandStatus.Done) { string vname = res.GetValue("name"); var result = CreateObjectValue(exp, res); session.RegisterTempVariableObject(vname, result); return(result); } else { return(ObjectValue.CreateUnknown(exp)); } } catch { return(ObjectValue.CreateUnknown(exp)); } }
protected override Backtrace OnGetThreadBacktrace(long processId, long threadId) { ResultData data = SelectThread(threadId); GdbCommandResult res = RunCommand("-stack-info-depth"); int fcount = int.Parse(res.GetValue("depth")); GdbBacktrace bt = new GdbBacktrace(this, threadId, fcount, data != null ? data.GetObject("frame") : null); return(new Backtrace(bt)); }
private BreakEventInfo OnInsertWatchPoint(BreakEvent be) { var bi = new BreakEventInfo(); var wp = be as WatchPoint; lock (gdbLock) { bool dres = InternalStop(); try { string errorMsg = string.Empty; GdbCommandResult res = null; try { if (wp.TriggerOnRead && wp.TriggerOnWrite) { res = RunCommand("-break-watch", wp.Expression, "-a"); } else if (wp.TriggerOnRead && !wp.TriggerOnWrite) { res = RunCommand("-break-watch", wp.Expression, "-r"); } else { res = RunCommand("-break-watch", wp.Expression); } } catch (Exception ex) { errorMsg = ex.Message; } if (res == null || res.Status != CommandStatus.Done) { bi.SetStatus(BreakEventStatus.Invalid, errorMsg); return(bi); } int bh = res.GetObject("wpt").GetInt("number"); if (!be.Enabled) { RunCommand("-break-disable", bh.ToString()); } breakpoints[bh] = bi; bi.Handle = bh; bi.SetStatus(BreakEventStatus.Bound, null); return(bi); } finally { InternalResume(dres); } } }
protected override void OnFinish() { SelectThread(activeThread); GdbCommandResult res = RunCommand("-stack-info-depth", "2"); if (res.GetValue("depth") == "1") { RunCommand("-exec-continue"); } else { RunCommand("-stack-select-frame", "0"); RunCommand("-exec-finish"); } }
protected override AssemblyLine[] OnDisassembleFile(string file) { List <AssemblyLine> lines = new List <AssemblyLine>(); int cline = 1; do { GdbCommandResult data = null; try { data = RunCommand("-data-disassemble", "-f", file, "-l", cline.ToString(), "--", "1"); } catch { break; } int newLine = cline; if (data.Status == CommandStatus.Done) { ResultData asm_insns = data.GetObject("asm_insns"); for (int n = 0; n < asm_insns.Count; n++) { ResultData src_and_asm_line = asm_insns.GetObject(n).GetObject("src_and_asm_line"); newLine = src_and_asm_line.GetInt("line"); ResultData line_asm_insn = src_and_asm_line.GetObject("line_asm_insn"); for (int i = 0; i < line_asm_insn.Count; i++) { ResultData asm = line_asm_insn.GetObject(i); long addr = long.Parse(asm.GetValue("address").Substring(2), NumberStyles.HexNumber); string code = asm.GetValue("inst"); lines.Add(new AssemblyLine(addr, code, newLine)); } } } if (newLine <= cline) { break; } cline = newLine + 1; }while (true); return(lines.ToArray()); }
public ObjectValue[] GetChildren(ObjectPath path, int index, int count, EvaluationOptions options) { List <ObjectValue> children = new List <ObjectValue>(); session.SelectThread(threadId); GdbCommandResult res = session.RunCommand("-var-list-children", "2", path.Join(".")); ResultData cdata = res.GetObject("children"); // The response may not contain the "children" list at all. if (cdata == null) { return(children.ToArray()); } if (index == -1) { index = 0; count = cdata.Count; } for (int n = index; n < cdata.Count && n < index + count; n++) { ResultData data = cdata.GetObject(n); ResultData child = data.GetObject("child"); string name = child.GetValue("exp"); if (name.Length > 0 && char.IsNumber(name[0])) { name = "[" + name + "]"; } // C++ structures may contain typeless children named // "public", "private" and "protected". if (child.GetValue("type") == null) { ObjectPath childPath = new ObjectPath(child.GetValue("name").Split('.')); ObjectValue[] subchildren = GetChildren(childPath, -1, -1, options); children.AddRange(subchildren); } else { ObjectValue val = CreateObjectValue(name, child); children.Add(val); } } return(children.ToArray()); }
private void UpdateHitCountData() { foreach (BreakEventInfo bp in breakpointsWithHitCount) { GdbCommandResult res = RunCommand("-break-info", bp.Handle.ToString()); string val = res.GetObject("BreakpointTable").GetObject("body").GetObject(0).GetObject("bkpt").GetValue("ignore"); if (val != null) { NotifyBreakEventUpdate(bp, int.Parse(val), null); } else { NotifyBreakEventUpdate(bp, 0, null); } } breakpointsWithHitCount.Clear(); }
public ObjectValue[] GetParameters(int frameIndex, EvaluationOptions options) { List <ObjectValue> values = new List <ObjectValue>(); SelectFrame(frameIndex); GdbCommandResult res = session.RunCommand("-stack-list-arguments", "0", frameIndex.ToString(), frameIndex.ToString()); if (res.Status == CommandStatus.Done) { foreach (ResultData data in res.GetObject("stack-args").GetObject(0).GetObject("frame").GetObject("args")) { values.Add(CreateVarObject(data.GetValue("name"))); } } return(values.ToArray()); }
public ObjectValue[] GetLocalVariables(int frameIndex, EvaluationOptions options) { List <ObjectValue> values = new List <ObjectValue>(); SelectFrame(frameIndex); GdbCommandResult res = session.RunCommand("-stack-list-locals", "0"); if (res.Status == CommandStatus.Done) { foreach (ResultData data in res.GetObject("locals")) { values.Add(CreateVarObject(data.GetValue("name"))); } } return(values.ToArray()); }
public StackFrame[] GetStackFrames(int firstIndex, int lastIndex) { List <StackFrame> frames = new List <StackFrame>(); if (firstIndex == 0 && firstFrame != null) { frames.Add(firstFrame); firstIndex++; } if (lastIndex >= fcount) { lastIndex = fcount - 1; } if (firstIndex > lastIndex) { return(frames.ToArray()); } session.SelectThread(threadId); GdbCommandResult res = session.RunCommand("-stack-list-frames", firstIndex.ToString(), lastIndex.ToString()); if (res.Status == CommandStatus.Done) { ResultData stack = res.GetObject("stack"); for (int n = 0; n < stack.Count; n++) { ResultData frd = stack.GetObject(n); frames.Add(CreateFrame(frd.GetObject("frame"))); } } return(frames.ToArray()); }
private BreakEventInfo OnInsertBreakPoint(BreakEvent be) { var bi = new BreakEventInfo(); var bp = be as Breakpoint; lock (gdbLock) { bool dres = InternalStop(); try { string extraCmd = string.Empty; if (bp.HitCount > 0) { extraCmd += "-i " + bp.HitCount; breakpointsWithHitCount.Add(bi); } if (!string.IsNullOrEmpty(bp.ConditionExpression)) { if (!bp.BreakIfConditionChanges) { extraCmd += " -c " + bp.ConditionExpression; } } GdbCommandResult res = null; string errorMsg = null; if (bp is FunctionBreakpoint) { try { res = RunCommand("-break-insert", extraCmd.Trim(), ((FunctionBreakpoint)bp).FunctionName); } catch (Exception ex) { errorMsg = ex.Message; } } else { // Breakpoint locations must be double-quoted if files contain spaces. // For example: -break-insert "\"C:/Documents and Settings/foo.c\":17" RunCommand("-environment-directory", Escape(Path.GetDirectoryName(bp.FileName).ToAvalonPath())); try { res = RunCommand("-break-insert", extraCmd.Trim(), Escape(Escape(bp.FileName.ToAvalonPath()) + ":" + bp.Line)); } catch (Exception ex) { errorMsg = ex.Message; } if (res == null) { try { res = RunCommand("-break-insert", extraCmd.Trim(), Escape(Escape(Path.GetFileName(bp.FileName)) + ":" + bp.Line)); } catch { // Ignore } } } if (res == null || res.Status != CommandStatus.Done) { bi.SetStatus(BreakEventStatus.Invalid, errorMsg); return(bi); } int bh = res.GetObject("bkpt").GetInt("number"); if (!be.Enabled) { RunCommand("-break-disable", bh.ToString()); } breakpoints[bh] = bi; bi.Handle = bh; bi.SetStatus(BreakEventStatus.Bound, null); return(bi); } finally { InternalResume(dres); } } }
private void ProcessOutput(string line) { if (logGdb) { _console.WriteLine("dbg>: '" + line + "'"); } switch (line[0]) { case '^': lock (syncLock) { lastResult = new GdbCommandResult(line); lock (eventLock) { running = lastResult.Status == CommandStatus.Running; } Monitor.PulseAll(syncLock); } break; case '~': case '&': if (line.Length > 1 && line[1] == '"') { line = line.Substring(2, line.Length - 5); } ThreadPool.QueueUserWorkItem(delegate { OnTargetOutput(false, line + "\n"); }); break; case '*': GdbEvent ev = null; lock (eventLock) { if (!line.StartsWith("*running")) { running = false; ev = new GdbEvent(line); string ti = ev.GetValue("thread-id"); if (ti != null && ti != "all") { currentThread = activeThread = int.Parse(ti); } Monitor.PulseAll(eventLock); if (internalStop) { internalStop = false; return; } } } if (ev != null) { ThreadPool.QueueUserWorkItem(delegate { try { HandleEvent(ev); } catch (Exception ex) { _console.WriteLine(ex.ToString()); } }); } break; } }
public CompletionData GetExpressionCompletionData(int frameIndex, string exp) { SelectFrame(frameIndex); bool pointer = exp.EndsWith("->"); int i; if (pointer || exp.EndsWith(".")) { exp = exp.Substring(0, exp.Length - (pointer ? 2 : 1)); i = 0; while (i < exp.Length) { ObjectValue val = CreateVarObject(exp); if (!val.IsUnknown && !val.IsError) { CompletionData data = new CompletionData(); foreach (ObjectValue cv in val.GetAllChildren()) { data.Items.Add(new CompletionItem(cv.Name, cv.Flags)); } data.ExpressionLength = 0; return(data); } i++; } return(null); } i = exp.Length - 1; bool lastWastLetter = false; while (i >= 0) { char c = exp[i--]; if (!char.IsLetterOrDigit(c) && c != '_') { break; } lastWastLetter = !char.IsDigit(c); } if (lastWastLetter) { string partialWord = exp.Substring(i + 1); CompletionData cdata = new CompletionData(); cdata.ExpressionLength = partialWord.Length; // Local variables GdbCommandResult res = session.RunCommand("-stack-list-locals", "0"); foreach (ResultData data in res.GetObject("locals")) { string name = data.GetValue("name"); if (name.StartsWith(partialWord)) { cdata.Items.Add(new CompletionItem(name, ObjectValueFlags.Variable)); } } // Parameters res = session.RunCommand("-stack-list-arguments", "0", frameIndex.ToString(), frameIndex.ToString()); foreach (ResultData data in res.GetObject("stack-args").GetObject(0).GetObject("frame").GetObject("args")) { string name = data.GetValue("name"); if (name.StartsWith(partialWord)) { cdata.Items.Add(new CompletionItem(name, ObjectValueFlags.Parameter)); } } if (cdata.Items.Count > 0) { return(cdata); } } return(null); }