mirror of
https://github.com/danbulant/Cosmos
synced 2026-05-19 20:39:01 +00:00
417 lines
No EOL
14 KiB
C#
417 lines
No EOL
14 KiB
C#
using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Data;
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using System.Drawing;
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using System.Globalization;
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using System.IO;
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using System.Linq;
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using System.Text;
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using System.Windows.Forms;
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using System.Runtime.InteropServices;
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namespace Cosmos.Debug.GDB {
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public partial class FormMain : Form {
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protected class AsmLine {
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public readonly UInt32 mAddr;
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public readonly string mLabel;
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public readonly string mOp;
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public readonly string mData = string.Empty;
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public readonly bool mEIPHere;
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public AsmLine(string aInput) {
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//"0x0056d2b9 <_end_data+0>:\tmov DWORD PTR ds:0x550020,ebx\n"
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var s = GDB.Unescape(aInput);
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var xSplit1 = s.Split(Global.TabSeparator, StringSplitOptions.RemoveEmptyEntries);
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var xSplit2 = xSplit1[0].Split(Global.SpaceSeparator, StringSplitOptions.RemoveEmptyEntries);
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int xIndex = 0;
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//newer gdb above 6.6 or higher versions
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if (xSplit2[0] == "=>")
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{
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mEIPHere = true;
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xIndex = 1;
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}
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mAddr = Global.FromHexWithLeadingZeroX(xSplit2[xIndex]);
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string xLabel;
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if (xSplit2.Length > xIndex + 1) {
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xLabel = xSplit2[xIndex + 1];
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}
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xSplit2 = xSplit1[1].Split(Global.SpaceSeparator, StringSplitOptions.RemoveEmptyEntries);
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mOp = xSplit2[0];
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if (xSplit2.Length > 1) {
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for (int j = 1; j < xSplit2.Length; j++) {
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mData += xSplit2[j] + " ";
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}
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mData = mData.TrimEnd();
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}
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}
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public override string ToString() {
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// First char reserved for breakpoint (*)
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return " " + mAddr.ToString("X8") + ": " + mOp + " " + mData.TrimEnd();
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}
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}
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const int MAX_RETRY = 3;
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protected string mFuncName;
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protected bool mCreated;
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protected int mConnectRetry;
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protected void OnGDBResponse(GDB.Response aResponse) {
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try {
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Windows.mLogForm.Log(aResponse);
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var xCmdLine = aResponse.Command.ToLower();
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if (xCmdLine == "info registers") {
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Windows.mRegistersForm.UpdateRegisters(aResponse);
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Windows.UpdateAfterRegisterUpdate();
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}else if(xCmdLine.Length == 0) {
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if (aResponse.Text.Count == 2 && aResponse.Text[0] == "Breakpoint")
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{
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// program breaks on aResponse.Text[1]
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}
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else
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{
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// contains address where we are
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}
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} else {
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var xCmdParts = xCmdLine.Split(Global.SpaceSeparator);
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var xCmd = xCmdParts[0];
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bool asyncCmd = false;
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if (xCmd.EndsWith("&"))
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{
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asyncCmd = true;
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xCmd = xCmd.Substring(0, xCmd.Length - 1);
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}
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if (xCmd == "disassemble") {
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OnDisassemble(aResponse);
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} else if (xCmd == "symbol-file") { // nothing
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} else if (xCmd == "set") { // nothing
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} else if (xCmd == "target") {
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if (Global.GDB.Connected)
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{
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lablConnected.Visible = true;
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lablRunning.Visible = true;
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mitmConnect.Enabled = true;
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butnConnect.Enabled = true;
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mitmConnect.Text = "&Disconnect";
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butnConnect.Text = "&Disconnect";
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Settings.InitWindows();
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}
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else
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{
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if (mConnectRetry < MAX_RETRY + 1)
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{
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Connect();
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}
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else
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{
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mitmConnect.Enabled = true;
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butnConnect.Enabled = true;
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mitmConnect.Text = "&Connect";
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butnConnect.Text = "&Connect";
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}
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}
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} else if (xCmd == "detach") {
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if (false == Global.GDB.Connected)
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{
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mitmConnect.Text = "&Connect";
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butnConnect.Text = "&Connect";
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mitmContinue.Enabled = false;
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butnContinue.Enabled = false;
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mitmStepInto.Enabled = false;
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mitmStepOver.Enabled = false;
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lboxDisassemble.Items.Clear();
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lablConnected.Visible = false;
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lablRunning.Visible = false;
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textCurrentFunction.Visible = false;
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}
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} else if (xCmd == "delete") {
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Windows.mBreakpointsForm.OnDelete(aResponse);
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} else if ((xCmd == "stepi") || (xCmd == "nexti")) {
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} else if (xCmd == "continue" || xCmd== "fg") {
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lboxDisassemble.Items.Clear();
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} else if (xCmd == "where") {
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Windows.mCallStackForm.OnWhere(aResponse);
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} else if (xCmd == "break") {
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Windows.mBreakpointsForm.OnBreak(aResponse);
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} else if (xCmd.StartsWith("x/")) {
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Windows.mWatchesForm.OnWatchUpdate(aResponse);
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} else {
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throw new Exception("Unrecognized command response: " + aResponse.Command);
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}
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}
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} catch (Exception e) {
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MessageBox.Show("Exception: " + e.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error, MessageBoxDefaultButton.Button1);
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}
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}
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public void Disassemble(string aLabel) {
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textCurrentFunction.Text = string.Empty;
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textCurrentFunction.Visible = true;
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// force space free at end
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var xDisAsmCmd = "disassemble";
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var xLabelTrimed = aLabel.TrimEnd();
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if (xLabelTrimed.Length > 0)
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xDisAsmCmd += " " + xLabelTrimed;
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Global.GDB.SendCmd(xDisAsmCmd);
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}
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protected void OnDisassemble(GDB.Response xResponse) {
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var xResult = xResponse.Text;
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lboxDisassemble.BeginUpdate();
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try {
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lboxDisassemble.Items.Clear();
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// In some cases GDB might return no results. This is common when no symbols are loaded.
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if (xResult.Count > 0) {
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// Get function name
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var xSplit = GDB.Unescape(xResult[0]).Split(Global.SpaceSeparator, StringSplitOptions.RemoveEmptyEntries);
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mFuncName = xSplit[xSplit.Length - 1];
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textCurrentFunction.Text = mFuncName;
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// 1 and -2 to eliminate header and footer line
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for (int i = 1; i <= xResult.Count - 2; i++) {
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lboxDisassemble.Items.Add(new AsmLine(xResult[i]));
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}
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}
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} finally {
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lboxDisassemble.EndUpdate();
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}
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}
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public void SetEIP(UInt32 aAddr) {
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foreach (AsmLine x in lboxDisassemble.Items) {
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if (x.mAddr == aAddr) {
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lboxDisassemble.SelectedItem = x;
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break;
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}
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}
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}
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public FormMain() {
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InitializeComponent();
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}
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// TODO
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// watches
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// View stack
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// If close without connect, it wipes out the settings file
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private void mitmExit_Click(object sender, EventArgs e) {
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Close();
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}
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private void mitmStepInto_Click(object sender, EventArgs e) {
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Global.GDB.SendCmd("stepi");
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}
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private void mitmStepOver_Click(object sender, EventArgs e) {
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Global.GDB.SendCmd("nexti");
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}
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protected void Connect() {
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mitmConnect.Enabled = false;
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butnConnect.Enabled = false;
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mitmConnect.Text = "Try " + mConnectRetry;
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butnConnect.Text = "Try " + mConnectRetry++;
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if (false == mCreated)
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{
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Windows.CreateForms();
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Global.AsmSource = new AsmFile(Path.Combine(Settings.OutputPath, Settings.AsmFile));
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Global.GDB = new GDB(OnGDBResponse, OnRunStateChanged);
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mCreated = true;
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}
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Global.GDB.Connect();
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}
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private void OnRunStateChanged(bool stopped)
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{
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if (InvokeRequired)
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{
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Invoke((MethodInvoker) delegate{OnRunStateChanged(stopped);});
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return;
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}
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if (stopped)
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{
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lablRunning.Text = "Stopped";
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mitmContinue.Enabled = true;
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butnContinue.Enabled = true;
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mitmBreak.Enabled = false;
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butnBreak.Enabled = false;
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mitmConnect.Enabled = true;
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butnConnect.Enabled = true;
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mitmStepInto.Enabled = true;
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mitmStepOver.Enabled = true;
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Windows.UpdateAllWindows();
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}
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else
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{
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lablRunning.Text = "Running";
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mitmContinue.Enabled = false;
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butnContinue.Enabled = false;
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mitmBreak.Enabled = true;
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butnBreak.Enabled = true;
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mitmConnect.Enabled = false;
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butnConnect.Enabled = false;
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mitmStepInto.Enabled = false;
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mitmStepOver.Enabled = false;
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}
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}
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private void mitmConnect_Click(object sender, EventArgs e) {
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if (!mitmConnect.Enabled)
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return;
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if (mCreated && Global.GDB.Connected)
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{
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Global.GDB.Disconnect();
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}
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else
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{
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mConnectRetry = 1;
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Connect();
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}
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}
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private void mitmRefresh_Click(object sender, EventArgs e) {
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Windows.UpdateAllWindows();
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}
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private void mitmContinue_Click(object sender, EventArgs e) {
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Global.GDB.SendCmd("continue&");
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}
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private void mitmMainViewCallStack_Click(object sender, EventArgs e) {
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Windows.Show(Windows.mCallStackForm);
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}
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private void mitmMainViewWatches_Click(object sender, EventArgs e) {
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Windows.Show(Windows.mWatchesForm);
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}
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protected FormWindowState mLastWindowState = FormWindowState.Normal;
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private void FormMain_Resize(object sender, EventArgs e) {
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if (WindowState == FormWindowState.Minimized) {
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// Window is being minimized
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Windows.Hide();
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} else if ((mLastWindowState == FormWindowState.Minimized) && (WindowState != FormWindowState.Minimized)) {
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// Window is being restored
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Windows.Reshow();
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}
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mLastWindowState = WindowState;
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}
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private void mitmViewLog_Click(object sender, EventArgs e) {
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Windows.Show(Windows.mLogForm);
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}
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private void FormMain_Load(object sender, EventArgs e) {
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Windows.mMainForm = this;
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}
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private void mitmViewBreakpoints_Click(object sender, EventArgs e) {
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Windows.Show(Windows.mBreakpointsForm);
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}
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private void mitmRegisters_Click(object sender, EventArgs e) {
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Windows.Show(Windows.mRegistersForm);
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}
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private void FormMain_Shown(object sender, EventArgs e) {
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mitmContinue.Enabled = false;
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butnContinue.Enabled = false;
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mitmBreak.Enabled = false;
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butnBreak.Enabled = false;
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mitmStepInto.Enabled = false;
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mitmStepOver.Enabled = false;
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// Dont put this in load. Load happens in main call from Main.cs and on exceptions just
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// goes out, no message.
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// Also we want to show other forms after main form, not before.
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// We also only want to run this once, not on each possible show.
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if (mitmConnect.Enabled) {
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if (Settings.AutoConnect) {
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mConnectRetry = 1;
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Connect();
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}
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}
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}
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private void BringWindowsToTop() {
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mIgnoreNextActivate = true;
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foreach (var xWindow in Windows.mForms) {
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if (xWindow == this) {
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continue;
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}
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if (xWindow.Visible) {
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xWindow.Activate();
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}
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}
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this.Activate();
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}
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private void mitmWindowsToForeground_Click(object sender, EventArgs e) {
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BringWindowsToTop();
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}
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private bool mIgnoreNextActivate = false;
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private void FormMain_Activated(object sender, EventArgs e) {
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// Necessary else we get looping becuase BringWindowsToTop reactivates this.
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if (mIgnoreNextActivate) {
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mIgnoreNextActivate = false;
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} else {
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BringWindowsToTop();
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}
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}
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private void mitmSave_Click(object sender, EventArgs e) {
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Windows.SavePositions();
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Settings.Save();
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}
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private void mitemDisassemblyAddBreakpoint_Click(object sender, EventArgs e) {
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var x = (AsmLine)lboxDisassemble.SelectedItem;
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if (x != null) {
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Windows.mBreakpointsForm.AddBreakpoint("*0x" + x.mAddr.ToString("X8"));
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}
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}
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private void mitmCopyToClipboard_Click(object sender, EventArgs e) {
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var x = (AsmLine)lboxDisassemble.SelectedItem;
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Clipboard.SetText(x.ToString());
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}
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private void butnBreakpoints_Click(object sender, EventArgs e) {
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mitmViewBreakpoints.PerformClick();
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}
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private void textCurrentFunction_TextChanged(object sender, EventArgs e) {
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base.OnTextChanged(e);
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using (Graphics g = textCurrentFunction.CreateGraphics()) {
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SizeF size = g.MeasureString(textCurrentFunction.Text, textCurrentFunction.Font);
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textCurrentFunction.Width = (int)size.Width + textCurrentFunction.Padding.Horizontal;
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}
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}
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private void mitmBreak_Click(object sender, EventArgs e) {
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Global.GDB.SendCmd("-exec-interrupt");
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}
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private void FormMain_FormClosed(object sender, FormClosedEventArgs e)
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{
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if (mCreated && Global.GDB.Connected)
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{
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Global.GDB.Disconnect();
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Global.GDB.SendCmd("quit");
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}
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}
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}
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} |