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1
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#include "Debuggers.h"
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2
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3
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#define PROMPT "<\xcd\xeb>"
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4
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5
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bool Gdb::Result(String& result, const String& s)
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6
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{
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7
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int l = result.GetLength();
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8
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result.Cat(s);
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9
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const char *q = FindTag(~result + max(l - 5, 0), PROMPT);
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10
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if(q) {
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11
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result.Trim((int)(q - ~result));
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12
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return true;
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13
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}
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14
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return false;
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15
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}
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16
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17
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void Gdb::DebugBar(Bar& bar)
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18
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{
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19
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bar.Add("Stop debugging", DbgImg::StopDebug(), THISBACK(Stop))
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20
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.Key(K_SHIFT_F5);
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21
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bar.Separator();
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22
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bool b = !IdeIsDebugLock();
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23
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bar.Add(b, "Step into", DbgImg::StepInto(), THISBACK1(Step, disas.HasFocus() ? "stepi"
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24
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: "step"))
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25
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.Key(K_F11);
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26
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bar.Add(b, "Step over", DbgImg::StepOver(), THISBACK1(Step, disas.HasFocus() ? "nexti"
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27
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: "next"))
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28
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.Key(K_F10);
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29
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bar.Add(b, "Step out", DbgImg::StepOut(), THISBACK1(Step, "finish"))
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30
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.Key(K_SHIFT_F11);
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31
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bar.Add(b, "Run to", DbgImg::RunTo(), THISBACK(DoRunTo))
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32
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.Key(K_CTRL_F10);
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33
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bar.Add(b, "Run", DbgImg::Run(), THISBACK(Run))
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34
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.Key(K_F5);
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35
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bar.MenuSeparator();
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36
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bar.Add(b, "Quick watch", THISBACK(QuickWatch))
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37
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.Key(K_CTRL_Q);
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38
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bar.MenuSeparator();
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39
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bar.Add(b, "Copy backtrace", THISBACK(CopyStack));
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40
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bar.Add(b, "Copy dissassembly", THISBACK(CopyDisas));
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41
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}
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42
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43
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void Gdb::CopyStack()
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44
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{
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45
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DropFrames();
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46
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String s;
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47
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for(int i = 0; i < frame.GetCount(); i++)
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48
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s << frame.GetValue(i) << "\n";
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49
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WriteClipboardText(s);
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50
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}
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51
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52
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void Gdb::CopyDisas()
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53
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{
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54
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disas.WriteClipboard();
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55
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}
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56
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57
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int CharFilterReSlash(int c)
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58
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{
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59
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return c == '\\' ? '/' : c;
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60
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}
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61
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62
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String Bpoint(Host& host, const String& file, int line)
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63
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{
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64
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return String().Cat() << Filter(host.GetHostPath(NormalizePath(file)), CharFilterReSlash) << ":" << line + 1;
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65
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}
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66
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67
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bool Gdb::TryBreak(const char *text)
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68
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{
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69
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return FindTag(FastCmd(text), "Breakpoint");
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70
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}
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71
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72
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bool Gdb::SetBreakpoint(const String& filename, int line, const String& bp)
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73
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{
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74
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String bi = Bpoint(*host, filename, line);
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75
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if(bp.IsEmpty())
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76
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FastCmd("clear " + bi);
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77
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else if(bp[0]==0xe)
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78
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FastCmd("b " + bi);
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79
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else
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80
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FastCmd("b " + bi + " if " + bp);
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81
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return true;
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82
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}
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83
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void Gdb::SetDisas(const String& text)
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84
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{
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85
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disas.Clear();
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86
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StringStream ss(text);
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87
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while(!ss.IsEof()) {
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88
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String ln = ss.GetLine();
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89
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CParser p(ln);
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90
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if(p.Char2('0', 'x')) {
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91
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dword adr = p.IsNumber(16) ? p.ReadNumber(16) : 0;
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92
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String code;
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93
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String args;
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94
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int level = 0;
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95
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while(!p.IsEof()) {
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96
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if(p.Char(':') && level == 0)
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97
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break;
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98
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else
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99
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if(p.Char('<'))
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100
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level++;
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101
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else
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102
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if(p.Char('>'))
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103
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level--;
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104
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else
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105
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p.GetChar();
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106
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}
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107
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p.Spaces();
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108
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if(p.IsId()) {
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109
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code = p.ReadId();
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110
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for(;;) {
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111
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if(p.Spaces())
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112
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args.Cat(' ');
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113
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if(p.IsEof())
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114
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break;
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115
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if(p.Char2('0', 'x')) {
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116
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dword adr = 0;
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117
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if(p.IsNumber(16))
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118
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adr = p.ReadNumber(16);
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119
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String fname;
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120
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bool usefname = false;
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121
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if(p.Char('<')) {
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122
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const char *b = p.GetPtr();
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123
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int level = 1;
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124
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usefname = true;
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125
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while(!p.IsEof()) {
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126
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if(p.Char('>') && --level == 0) {
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127
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fname = String(b, p.GetPtr() - 1);
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128
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break;
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129
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}
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130
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if(p.Char('<'))
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131
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level++;
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132
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if(p.Char('+'))
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133
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usefname = false;
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134
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else {
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135
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p.GetChar();
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136
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p.Spaces();
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137
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}
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138
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}
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139
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}
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140
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args << (usefname ? fname : Sprintf("0x%X", adr));
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141
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disas.AddT(adr);
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142
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}
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143
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else
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144
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if(p.Id("DWORD"))
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145
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args.Cat("dword ");
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146
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else
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147
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if(p.Id("WORD"))
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148
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args.Cat("word ");
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149
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else
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150
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if(p.Id("BYTE"))
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151
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args.Cat("byte ");
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152
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else
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153
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if(p.Id("PTR"))
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154
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args.Cat("ptr ");
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155
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else
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156
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args.Cat(p.GetChar());
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157
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}
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158
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}
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159
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disas.Add(adr, code, args);
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160
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}
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161
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}
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162
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}
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163
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164
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void Gdb::SyncDisas(bool fr)
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165
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{
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166
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if(!disas.IsVisible())
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167
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return;
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168
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if(!disas.InRange(addr))
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169
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SetDisas(FastCmd("disas"));
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170
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disas.SetCursor(addr);
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171
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disas.SetIp(addr, fr ? DbgImg::FrameLinePtr() : DbgImg::IpLinePtr());
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172
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String s = FastCmd("info registers");
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173
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StringStream ss(s);
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174
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for(int i = 0; i < reglbl.GetCount(); i++)
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175
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reglbl[i]->SetInk(SColorText);
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176
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while(!ss.IsEof()) {
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177
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String ln = ss.GetLine();
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178
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CParser p(ln);
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179
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String name;
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180
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if(p.IsId()) {
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181
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name = p.ReadId();
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182
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if(p.Char2('0', 'x')) {
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183
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String n = Sprintf("%08X", p.ReadNumber(16));
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184
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for(int i = 0; i < reglbl.GetCount(); i++) {
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185
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if(regname[i] == name) {
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186
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if(reglbl[i]->GetText() != n) {
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187
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reglbl[i]->SetLabel(n);
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188
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reglbl[i]->SetInk(LtRed);
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189
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}
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190
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}
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191
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}
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192
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}
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193
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}
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194
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}
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195
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}
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196
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197
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String FormatFrame(const char *s)
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198
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{
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199
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if(*s++ != '#')
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200
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return Null;
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201
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while(IsDigit(*s))
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202
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s++;
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203
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while(*s == ' ')
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204
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s++;
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205
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if(s[0] == '0' && ToUpper(s[1]) == 'X') {
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206
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s += 2;
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207
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while(IsXDigit(*s))
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208
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s++;
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209
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while(*s == ' ')
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210
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s++;
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211
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if(s[0] != 'i' && s[1] != 'n')
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212
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return Null;
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213
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s += 2;
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214
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while(*s == ' ')
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215
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s++;
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216
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}
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217
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if(!IsAlpha(*s))
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218
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return Null;
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219
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const char *w = strchr(s, '\r');
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220
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if(w)
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221
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return String(s, w);
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222
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w = strchr(s, '\n');
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223
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if(w)
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224
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return String(s, w);
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225
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return s;
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226
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}
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227
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228
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bool ParsePos(const String& s, String& fn, int& line, adr_t & adr)
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229
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{
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230
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const char *q = FindTag(s, "\x1a\x1a");
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231
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if(!q) return false;
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232
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q += 2;
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233
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Vector<String> p = Split(q + 2, ':');
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234
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p.SetCount(5);
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235
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fn = String(q, q + 2) + p[0];
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236
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line = atoi(p[1]);
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237
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CParser pa(p[4]);
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238
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pa.Char2('0', 'x');
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239
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if(pa.IsNumber(16))
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240
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adr = pa.ReadNumber(16);
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241
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return true;
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242
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}
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243
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244
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void Gdb::CheckEnd(const char *s)
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245
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{
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246
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if(!dbg) {
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247
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Stop();
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248
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return;
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249
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}
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250
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if(FindTag(s, "Program exited normally.")) {
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251
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Stop();
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252
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return;
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253
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}
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254
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const char *q = FindTag(s, "Program exited with code ");
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255
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if(q) {
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256
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PutConsole(q);
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257
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Stop();
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258
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return;
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259
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}
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260
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}
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261
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|
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262
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String Gdb::Cmdp(const char *cmdline, bool fr)
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263
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{
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264
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String s = Cmd(cmdline);
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265
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if(ParsePos(s, file, line, addr)) {
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266
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IdeSetDebugPos(GetLocalPath(file), line - 1, fr ? DbgImg::FrameLinePtr()
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267
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: DbgImg::IpLinePtr(), 0);
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268
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IdeSetDebugPos(GetLocalPath(file), line - 1,
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269
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disas.HasFocus() ? fr ? DbgImg::FrameLinePtr() : DbgImg::IpLinePtr()
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270
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: Image(), 1);
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271
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SyncDisas(fr);
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272
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autoline = IdeGetLine(line - 2) + ' ' + IdeGetLine(line - 1) + ' ' + IdeGetLine(line);
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273
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}
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274
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else {
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275
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file = Null;
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|
276
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CParser pa(s);
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277
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pa.Char2('0', 'x');
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278
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if(pa.IsNumber(16))
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279
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addr = pa.ReadNumber(16);
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280
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SyncDisas(fr);
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281
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}
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282
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frame.Clear();
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283
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frame.Add(0, FormatFrame(Cmd("frame")));
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284
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frame <<= 0;
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285
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Data();
|
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286
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return s;
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287
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}
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288
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|
|
289
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bool Gdb::RunTo()
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|
290
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{
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291
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String bi;
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292
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bool df = disas.HasFocus();
|
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293
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if(df) {
|
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294
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if(!disas.GetCursor())
|
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295
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return false;
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|
296
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bi = Sprintf("*0x%X", disas.GetCursor());
|
|
297
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}
|
|
298
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else
|
|
299
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bi = Bpoint(*host, IdeGetFileName(), IdeGetFileLine());
|
|
300
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if(!TryBreak("b " + bi)) {
|
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301
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Exclamation("No code at chosen location !");
|
|
302
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return false;
|
|
303
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}
|
|
304
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String e = Cmdp(firstrun ? "run" : "continue");
|
|
305
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firstrun = false;
|
|
306
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FastCmd("clear " + bi);
|
|
307
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if(df)
|
|
308
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disas.SetFocus();
|
|
309
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CheckEnd(e);
|
|
310
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IdeActivateBottom();
|
|
311
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return true;
|
|
312
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}
|
|
313
|
|
|
314
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void Gdb::Run()
|
|
315
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{
|
|
316
|
CheckEnd(Cmdp(firstrun ? "run" : "continue"));
|
|
317
|
firstrun = false;
|
|
318
|
IdeActivateBottom();
|
|
319
|
}
|
|
320
|
|
|
321
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void Gdb::Step(const char *cmd)
|
|
322
|
{
|
|
323
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bool b = disas.HasFocus();
|
|
324
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String s = Cmdp(cmd);
|
|
325
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if(b) disas.SetFocus();
|
|
326
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CheckEnd(s);
|
|
327
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IdeActivateBottom();
|
|
328
|
}
|
|
329
|
|
|
330
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void Gdb::DisasCursor()
|
|
331
|
{
|
|
332
|
if(!disas.HasFocus())
|
|
333
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return;
|
|
334
|
int line;
|
|
335
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String file;
|
|
336
|
adr_t addr;
|
|
337
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if(ParsePos(FastCmd(Sprintf("info line *0x%X", disas.GetCursor())), file, line, addr))
|
|
338
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IdeSetDebugPos(file, line - 1, DbgImg::DisasPtr(), 1);
|
|
339
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disas.SetFocus();
|
|
340
|
}
|
|
341
|
|
|
342
|
void Gdb::DisasFocus()
|
|
343
|
{
|
|
344
|
|
|
345
|
|
|
346
|
}
|
|
347
|
|
|
348
|
void Gdb::DropFrames()
|
|
349
|
{
|
|
350
|
int i = 0;
|
|
351
|
int q = ~frame;
|
|
352
|
frame.Clear();
|
|
353
|
for(;;) {
|
|
354
|
String s = FormatFrame(FastCmd(Sprintf("frame %d", i)));
|
|
355
|
if(IsNull(s)) break;
|
|
356
|
frame.Add(i++, s);
|
|
357
|
}
|
|
358
|
frame <<= q;
|
|
359
|
}
|
|
360
|
|
|
361
|
void Gdb::ShowFrame()
|
|
362
|
{
|
|
363
|
int i = (int)~frame;
|
|
364
|
Cmdp(Sprintf("frame %d", i), i);
|
|
365
|
}
|
|
366
|
|
|
367
|
String DataClean(CParser& p)
|
|
368
|
{
|
|
369
|
String r;
|
|
370
|
if(p.Char('{')) {
|
|
371
|
while(!p.IsEof() && !p.Char('}')) {
|
|
372
|
p.Id("static");
|
|
373
|
if(p.Char('<')) {
|
|
374
|
int level = 1;
|
|
375
|
while(level > 0)
|
|
376
|
if(p.Char('<'))
|
|
377
|
level++;
|
|
378
|
else
|
|
379
|
if(p.Char('>'))
|
|
380
|
level--;
|
|
381
|
else
|
|
382
|
p.GetChar();
|
|
383
|
p.Spaces();
|
|
384
|
p.Char('=');
|
|
385
|
String q = DataClean(p);
|
|
386
|
if(!q.IsEmpty()) {
|
|
387
|
if(!r.IsEmpty())
|
|
388
|
r << ", ";
|
|
389
|
r << q;
|
|
390
|
}
|
|
391
|
}
|
|
392
|
else
|
|
393
|
if(p.IsId()) {
|
|
394
|
String id = p.ReadId();
|
|
395
|
p.Char('=');
|
|
396
|
String q = DataClean(p);
|
|
397
|
if(!q.IsEmpty()) {
|
|
398
|
if(!r.IsEmpty())
|
|
399
|
r << ", ";
|
|
400
|
r << id << "=" << q;
|
|
401
|
}
|
|
402
|
}
|
|
403
|
else {
|
|
404
|
p.GetChar();
|
|
405
|
p.Spaces();
|
|
406
|
}
|
|
407
|
}
|
|
408
|
if(!r.IsEmpty() && (*r != '{' || *r.Last() != '}'))
|
|
409
|
|
|
410
|
return '{' + r + '}';
|
|
411
|
return r;
|
|
412
|
}
|
|
413
|
p.Spaces();
|
|
414
|
for(;;) {
|
|
415
|
bool sp = p.Spaces();
|
|
416
|
if(p.IsChar('}') || p.IsChar(',') || p.IsEof())
|
|
417
|
break;
|
|
418
|
if(sp)
|
|
419
|
r << ' ';
|
|
420
|
if(p.IsString())
|
|
421
|
r << AsCString(p.ReadString());
|
|
422
|
else
|
|
423
|
r.Cat(p.GetChar());
|
|
424
|
}
|
|
425
|
return r;
|
|
426
|
}
|
|
427
|
|
|
428
|
String DataClean(const char *s)
|
|
429
|
{
|
|
430
|
CParser p(s);
|
|
431
|
return DataClean(p);
|
|
432
|
}
|
|
433
|
|
|
434
|
void Gdb::Locals()
|
|
435
|
{
|
|
436
|
VectorMap<String, String> prev = DataMap(locals);
|
|
437
|
locals.Clear();
|
|
438
|
String s = FastCmd("info locals");
|
|
439
|
StringStream ss(s);
|
|
440
|
while(!ss.IsEof()) {
|
|
441
|
String ln = ss.GetLine();
|
|
442
|
const char *s = ln;
|
|
443
|
const char *q = strchr(s, '=');
|
|
444
|
if(!q) break;
|
|
445
|
const char *e = q;
|
|
446
|
while(e > s && e[-1] == ' ')
|
|
447
|
e--;
|
|
448
|
q++;
|
|
449
|
while(*q == ' ')
|
|
450
|
q++;
|
|
451
|
locals.Add(String(s, e), DataClean(q));
|
|
452
|
}
|
|
453
|
MarkChanged(prev, locals);
|
|
454
|
}
|
|
455
|
|
|
456
|
String Gdb::Print(const String& exp)
|
|
457
|
{
|
|
458
|
String q = FastCmd("print " + exp);
|
|
459
|
StringStream ss(q);
|
|
460
|
String ln = ss.GetLine();
|
|
461
|
const char *s = strchr(ln, '=');
|
|
462
|
if(s) {
|
|
463
|
s++;
|
|
464
|
while(*s == ' ')
|
|
465
|
s++;
|
|
466
|
return DataClean(s);
|
|
467
|
}
|
|
468
|
else
|
|
469
|
return DataClean(ln);
|
|
470
|
}
|
|
471
|
|
|
472
|
void Gdb::Watches()
|
|
473
|
{
|
|
474
|
VectorMap<String, String> prev = DataMap(watches);
|
|
475
|
for(int i = 0; i < watches.GetCount(); i++)
|
|
476
|
watches.Set(i, 1, Print(watches.Get(i, 0)));
|
|
477
|
MarkChanged(prev, watches);
|
|
478
|
}
|
|
479
|
|
|
480
|
void Gdb::Autos()
|
|
481
|
{
|
|
482
|
VectorMap<String, String> prev = DataMap(autos);
|
|
483
|
autos.Clear();
|
|
484
|
CParser p(autoline);
|
|
485
|
while(!p.IsEof()) {
|
|
486
|
if(p.IsId()) {
|
|
487
|
String exp = p.ReadId();
|
|
488
|
for(;;) {
|
|
489
|
if(p.Char('.') && p.IsId())
|
|
490
|
exp << '.';
|
|
491
|
else
|
|
492
|
if(p.Char2('-', '>') && p.IsId())
|
|
493
|
exp << "->";
|
|
494
|
else
|
|
495
|
break;
|
|
496
|
exp << p.ReadId();
|
|
497
|
}
|
|
498
|
if(autos.Find(exp) < 0) {
|
|
499
|
String val = Print(exp);
|
|
500
|
if(!IsNull(val) && val.Find('(') < 0)
|
|
501
|
autos.Add(exp, val);
|
|
502
|
}
|
|
503
|
}
|
|
504
|
p.SkipTerm();
|
|
505
|
}
|
|
506
|
autos.Sort();
|
|
507
|
MarkChanged(prev, autos);
|
|
508
|
}
|
|
509
|
|
|
510
|
void Gdb::QuickWatch()
|
|
511
|
{
|
|
512
|
for(;;) {
|
|
513
|
int q = quickwatch.Run();
|
|
514
|
if(q == IDCANCEL)
|
|
515
|
break;
|
|
516
|
FastCmd("set print pretty on");
|
|
517
|
String s = FastCmd("p " + (String)~quickwatch.expression);
|
|
518
|
const char *a = strchr(s, '=');
|
|
519
|
if(a) {
|
|
520
|
a++;
|
|
521
|
while(*a == ' ')
|
|
522
|
a++;
|
|
523
|
quickwatch.value <<= a;
|
|
524
|
quickwatch.expression.AddHistory();
|
|
525
|
}
|
|
526
|
else
|
|
527
|
quickwatch.value <<= s;
|
|
528
|
FastCmd("set print pretty off");
|
|
529
|
}
|
|
530
|
quickwatch.Close();
|
|
531
|
}
|
|
532
|
|
|
533
|
void Gdb::Data()
|
|
534
|
{
|
|
535
|
switch(tab.Get()) {
|
|
536
|
case 0: Watches(); break;
|
|
537
|
case 1: Locals(); break;
|
|
538
|
case 2: Autos(); break;
|
|
539
|
}
|
|
540
|
}
|
|
541
|
|
|
542
|
bool Gdb::Key(dword key, int count)
|
|
543
|
{
|
|
544
|
if(key >= 32 && key < 65535 && tab.Get() == 2) {
|
|
545
|
watches.DoInsertAfter();
|
|
546
|
Ctrl* f = GetFocusCtrl();
|
|
547
|
if(f && watches.HasChildDeep(f))
|
|
548
|
f->Key(key, count);
|
|
549
|
return true;
|
|
550
|
}
|
|
551
|
return Ctrl::Key(key, count);
|
|
552
|
}
|
|
553
|
|
|
554
|
bool Gdb::Create(One<Host> _host, const String& exefile, const String& cmdline)
|
|
555
|
{
|
|
556
|
host = _host;
|
|
557
|
dbg = host->StartProcess("gdb " + GetHostPath(exefile));
|
|
558
|
if(!dbg) {
|
|
559
|
Exclamation("Error invoking gdb !");
|
|
560
|
return false;
|
|
561
|
}
|
|
562
|
IdeSetBottom(*this);
|
|
563
|
IdeSetRight(disas);
|
|
564
|
|
|
565
|
disas.AddFrame(regs);
|
|
566
|
disas.WhenCursor = THISBACK(DisasCursor);
|
|
567
|
disas.WhenFocus = THISBACK(DisasFocus);
|
|
568
|
frame.WhenDrop = THISBACK(DropFrames);
|
|
569
|
frame <<= THISBACK(ShowFrame);
|
|
570
|
|
|
571
|
watches.WhenAcceptEdit = THISBACK(Data);
|
|
572
|
tab <<= THISBACK(Data);
|
|
573
|
|
|
574
|
Cmd("set prompt " PROMPT);
|
|
575
|
Cmd("set disassembly-flavor intel");
|
|
576
|
Cmd("set exec-done-display off");
|
|
577
|
Cmd("set annotate 1");
|
|
578
|
Cmd("set height 0");
|
|
579
|
Cmd("set width 0");
|
|
580
|
Cmd("set confirm off");
|
|
581
|
Cmd("set print asm-demangle");
|
|
582
|
|
|
583
|
if(!IsNull(cmdline))
|
|
584
|
Cmd("set args " + cmdline);
|
|
585
|
|
|
586
|
|
|
587
|
firstrun = true;
|
|
588
|
|
|
589
|
return true;
|
|
590
|
}
|
|
591
|
|
|
592
|
Gdb::~Gdb()
|
|
593
|
{
|
|
594
|
IdeRemoveBottom(*this);
|
|
595
|
IdeRemoveRight(disas);
|
|
596
|
}
|
|
597
|
|
|
598
|
One<Debugger> GdbCreate(One<Host> host, const String& exefile, const String& cmdline)
|
|
599
|
{
|
|
600
|
Gdb *dbg = new Gdb;
|
|
601
|
if(!dbg->Create(host, exefile, cmdline)) {
|
|
602
|
delete dbg;
|
|
603
|
return NULL;
|
|
604
|
}
|
|
605
|
return dbg;
|
|
606
|
}
|