public void OnDelete(GDB.Response aResponse)
{
string[] xSplit = aResponse.Reply.Split(' ');
int xID = int.Parse(xSplit[1]);
var xUC = mBreakpoints[xID];
mBreakpoints.Remove(xID);
// Delete UC
Controls.Remove(xUC);
xUC.Dispose();
}
protected void OnDisassemble(GDB.Response xResponse)
{
var xResult = xResponse.Text;
// In some cases GDB might return no results. This is common when no symbols are loaded.
if (xResult.Count == 0)
{
return;
}
// Get function name
var xSplit = GDB.Unescape(xResult[0]).Split(Global.SpaceSeparator, StringSplitOptions.RemoveEmptyEntries);
mFuncName = xSplit[xSplit.Length - 1];
textCurrentFunction.Text = mFuncName;
// remove ':'
mFuncName = mFuncName.Substring(0, mFuncName.Length - 1);
int labelLine = Global.AsmSource.GetLineOfLabel(mFuncName);
labelLine++;
// 1 and -2 to eliminate header and footer line
for (int i = 1; i <= xResult.Count - 2; i++, labelLine++)
{
var asmLine = Global.AsmSource.Lines[labelLine];
while (asmLine.IsLabel ||
(asmLine.FirstToken != null && (asmLine.FirstToken == "global" || asmLine.FirstToken.StartsWith(";"))))
{
labelLine++;
asmLine = Global.AsmSource.Lines[labelLine];
}
var gdbLine = new GdbAsmLine(xResult[i]);
asmLine.Address = gdbLine.mAddr;
// check if line different, if so, we set a line for tooltip
string strGdbLine = gdbLine.ToString();
string gdbLineWithoutAddress = strGdbLine.Substring(strGdbLine.IndexOf(":") + 3);
string gdbLineWithoutAddressLower = gdbLineWithoutAddress.Replace(" ", string.Empty).ToLower().Replace("dwordptr", string.Empty);
string asmlineFromFile = asmLine.OrignalLine.TrimStart('\t', ' ').ToLower().Replace("dword", string.Empty);
string asmlineFromFileWithoutspace = asmlineFromFile.Replace(" ", string.Empty);
if (gdbLineWithoutAddressLower != asmlineFromFileWithoutspace)
{
asmLine.GDBLine = gdbLineWithoutAddress;
}
}
}
public void OnWhere(GDB.Response aResponse)
{
lboxCallStack.BeginUpdate();
try {
lboxCallStack.Items.Clear();
foreach (var x in aResponse.Text)
{
//#0 0x0056d5df in DebugStub_Start ()
//#1 0x0057572b in System_Void__Cosmos_User_Kernel_Program_Init____DOT__00000001 ()
//#2 0x00550018 in Before_Kernel_Stack ()
//#3 0x005a5427 in __ENGINE_ENTRYPOINT__ ()
//~Backtrace stopped: frame did not save the PC
if (x.StartsWith("#"))
{
lboxCallStack.Items.Add(new CallStack(x));
}
}
} finally {
lboxCallStack.EndUpdate();
}
}
public void OnBreak(GDB.Response aResponse)
{
var xCmdParts = aResponse.Command.Split(Global.SpaceSeparator, StringSplitOptions.RemoveEmptyEntries);
string xLabel = xCmdParts[1];
var xSplit = aResponse.Text[0].Split(Global.SpaceSeparator, StringSplitOptions.RemoveEmptyEntries);
if (xSplit[0].ToLower() == "breakpoint")
{
// http://stackoverflow.com/questions/27674/dynamic-top-down-list-of-controls-in-windowsforms-and-c
var xUC = new BreakpointUC();
mBreakpoints.Add(int.Parse(xSplit[1]), xUC);
xUC.Dock = DockStyle.Top;
xUC.cboxEnabled.Checked = true;
xUC.lablNum.Text = xSplit[1];
xUC.lablName.Text = xLabel;
xUC.Delete += new Action <int>(xUC_Delete);
panl.Controls.Add(xUC);
}
}
protected void OnGDBResponse(GDB.Response aResponse)
{
try {
Windows.mLogForm.Log(aResponse);
var xCmdLine = aResponse.Command.ToLower();
if (xCmdLine == "info registers")
{
Windows.mRegistersForm.UpdateRegisters(aResponse);
Windows.UpdateAfterRegisterUpdate();
}
else if (xCmdLine.Length == 0)
{
if (aResponse.Text.Count == 2 && aResponse.Text[0] == "Breakpoint")
{
// program breaks on aResponse.Text[1]
}
else
{
// contains address where we are
}
}
else
{
var xCmdParts = xCmdLine.Split(Global.SpaceSeparator);
var xCmd = xCmdParts[0];
if (xCmd.EndsWith("&"))
{
xCmd = xCmd.Substring(0, xCmd.Length - 1);
}
if (xCmd == "disassemble")
{
OnDisassemble(aResponse);
}
else if (xCmd == "symbol-file") // nothing
{
}
else if (xCmd == "add-symbol-file") //nothing
{
}
else if (xCmd == "set") // nothing
{
}
else if (xCmd == "target")
{
if (Global.GDB.Connected)
{
mitmRefresh.Enabled = true;
lablConnected.Visible = true;
lablRunning.Visible = true;
mitmConnect.Enabled = true;
butnConnect.Enabled = true;
mitmConnect.Text = "&Disconnect";
butnConnect.Text = "&Disconnect";
Settings.InitWindows();
lboxDisassemble.SetItems(Global.AsmSource.Lines);
}
else
{
if (mConnectRetry < MAX_RETRY + 1)
{
Connect();
}
else
{
mitmConnect.Enabled = true;
butnConnect.Enabled = true;
mitmConnect.Text = "&Connect";
butnConnect.Text = "&Connect";
lboxDisassemble.Items.Clear();
}
}
}
else if (xCmd == "detach")
{
if (false == Global.GDB.Connected)
{
mitmConnect.Text = "&Connect";
butnConnect.Text = "&Connect";
mitmRefresh.Enabled = false;
mitmContinue.Enabled = false;
butnContinue.Enabled = false;
mitmStepInto.Enabled = false;
mitmStepOver.Enabled = false;
lboxDisassemble.Items.Clear();
lablConnected.Visible = false;
lablRunning.Visible = false;
textCurrentFunction.Visible = false;
}
}
else if (xCmd == "delete")
{
Windows.mBreakpointsForm.OnDelete(aResponse);
}
else if ((xCmd == "stepi") || (xCmd == "nexti"))
{
}
else if (xCmd == "continue" || xCmd == "fg")
{
//lboxDisassemble.Items.Clear();
}
else if (xCmd == "where")
{
Windows.mCallStackForm.OnWhere(aResponse);
}
else if (xCmd == "break")
{
Windows.mBreakpointsForm.OnBreak(aResponse);
}
else if (xCmd.StartsWith("x/"))
{
Windows.mWatchesForm.OnWatchUpdate(aResponse);
}
else
{
throw new Exception("Unrecognized command response: " + aResponse.Command);
}
}
} catch (Exception e) {
MessageBox.Show("Exception: " + e.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error, MessageBoxDefaultButton.Button1);
}
}
public void OnWatchUpdate(GDB.Response aResponse)
{
var xCmdParts = aResponse.Command.Split(' ');
var xAddressOfResponse = Global.FromHexWithLeadingZeroX(xCmdParts[1]);
var xFoundForUpdate = new List <WatchUC>();
// check if a register have this adress
foreach (var item in mWatches.Values)
{
uint xKey;
RegNames?xReg = item.mRegister;
if (xReg.HasValue)
{
xKey = Windows.mRegistersForm.GetRegisterValue(xReg.Value);
}
else
{
xKey = Global.FromHexWithLeadingZeroX(item.lablAddress.Text);
}
if (xKey == xAddressOfResponse)
{
xFoundForUpdate.Add(item);
}
}
if (xFoundForUpdate.Count == 0)
{
return;
}
var xB = new StringBuilder();
if (aResponse.Error)
{
xB.Append(aResponse.ErrorMsg);
}
else
{
int xCurrentCountOnLine = 0;
foreach (var item in aResponse.Text)
{
var xIndex = item.IndexOf('\t');
var xPart = item.Substring(xIndex);
var xSplit = xPart.Split(Global.TabSeparator, StringSplitOptions.RemoveEmptyEntries);
foreach (var mem in xSplit)
{
if (xCurrentCountOnLine == 2)
{
xB.AppendLine();
xCurrentCountOnLine = 0;
}
else if (xCurrentCountOnLine > 0)
{
xB.Append(" ");
}
xB.Append(mem.ToUpper());
xCurrentCountOnLine++;
}
}
}
var value = xB.ToString();
foreach (var item in xFoundForUpdate)
{
item.lablValue.Text = value;
}
}
public void UpdateRegisters(GDB.Response aResponse)
{
var xResult = aResponse.Text;
{
// reset all to black
foreach (var item in this.Controls[0].Controls)
{
Label xL = item as Label;
if (xL != null && xL.ForeColor != Color.Black)
{
xL.ForeColor = Color.Black;
}
}
}
int i = 0;
CPUReg xReg;
CPUReg xEIP = null;
while (i < xResult.Count - 1)
{
xReg = new CPUReg(xResult, ref i);
mCurrentValues[xReg.mName] = xReg.mValue;
if (xReg.mName == RegNames.EAX)
{
SetRegLabels(lablEAX, lablAX, lablAH, lablAL, xReg.mValue);
}
else if (xReg.mName == RegNames.EBX)
{
SetRegLabels(lablEBX, lablBX, lablBH, lablBL, xReg.mValue);
}
else if (xReg.mName == RegNames.ECX)
{
SetRegLabels(lablECX, lablCX, lablCH, lablCL, xReg.mValue);
}
else if (xReg.mName == RegNames.EDX)
{
SetRegLabels(lablEDX, lablDX, lablDH, lablDL, xReg.mValue);
}
else if (xReg.mName == RegNames.EIP)
{
xEIP = xReg;
SetAddress(lablEIP, xReg);
lablEIPText.Text = xReg.mText;
lablEIPText.Visible = true;
}
else if (xReg.mName == RegNames.EFLAGS)
{
// http://en.wikipedia.org/wiki/FLAGS_register_%28computing%29
SetAddress(lablFlags, xReg);
lablFlagsText.Text = xReg.mText;
lablFlagsText.Visible = true;
}
else if (xReg.mName == RegNames.ESP)
{
SetAddress(lablESP, xReg);
}
else if (xReg.mName == RegNames.EBP)
{
SetAddress(lablEBP, xReg);
}
else if (xReg.mName == RegNames.ESI)
{
SetAddress(lablESI, xReg);
}
else if (xReg.mName == RegNames.EDI)
{
SetAddress(lablEDI, xReg);
}
else if (xReg.mName == RegNames.SS)
{
SetAddress(lablSS, xReg);
}
else if (xReg.mName == RegNames.CS)
{
SetAddress(lablCS, xReg);
}
else if (xReg.mName == RegNames.DS)
{
SetAddress(lablDS, xReg);
}
else if (xReg.mName == RegNames.ES)
{
SetAddress(lablES, xReg);
}
else if (xReg.mName == RegNames.FS)
{
SetAddress(lablFS, xReg);
}
else if (xReg.mName == RegNames.GS)
{
SetAddress(lablGS, xReg);
}
}
if (xEIP != null)
{
Windows.mMainForm.SetEIP(xEIP.mValue);
}
}
public void Log(GDB.Response aResponse)
{
lboxCmd.SelectedIndex = lboxCmd.Items.Add(aResponse);
Application.DoEvents();
}