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1
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1 /* Ddbg - Win32 Debugger for the D programming language
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2 * Copyright (c) 2007 Jascha Wetzel
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3 * All rights reserved. See LICENSE.TXT for details.
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4 */
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5 module cli.gdbcli;
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6
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7 import std.string;
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8 static import std.regexp;
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9 import std.c.stdio : sscanf;
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10 import std.c.string;
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11 import std.demangle;
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12
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13 import util;
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14 import codeview.codeview;
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15 import breakpoint;
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16 import debugger;
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17 import disasm;
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18 import callstack;
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19 import dbgprocess;
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20 import dbgthread;
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21 import expression.expression_apd;
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22 import expression.datahandler : SymbolValue;
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23 import expression.evaluationcontext;
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24 import cli.userinterface;
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25
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26 import win32.winbase;
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27 import win32.winuser;
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28 import win32.winnt;
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29
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30 /**************************************************************************************************
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31
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32 **************************************************************************************************/
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33 class GDBCLI : UserInterfaceBase
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34 {
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35 string[] lastcmd;
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36
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37 uint current_frame_level;
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38
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39 string prompt,
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40 command_line,
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41 debuggee;
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42 bool fullname = false,
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43 quit;
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44
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45 /**********************************************************************************************
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46
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47 **********************************************************************************************/
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48 this()
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49 {
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50 prompt = "(gdb) ";
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51 }
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52
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53 /**********************************************************************************************
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54
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55 **********************************************************************************************/
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56 void init(string[] args)
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57 {
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58 DbgIO.println(WELCOME_STRING);
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59 if ( args.length < 2 )
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60 throw new DebuggerException("Usage: ddbg -cli=gdb [-cmd=<commands>] [-fullname] -args <exe file> [arguments]");
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61
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62 bool read_args = false;
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63 Lfe: foreach ( int i, a; args )
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64 {
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65 switch ( a )
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66 {
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67 case "-fullname":
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68 case "--fullname":
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69 fullname = true;
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70 break;
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71 case "-args":
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72 case "--args":
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73 read_args=true;
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74 break;
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75 default:
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76 debuggee = a;
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77 if ( read_args )
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78 {
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79 if ( find(a, ' ') >= 0 )
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80 command_line = "\""~a~"\"";
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81 else
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82 command_line = a;
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83 if ( args.length > i+1 )
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84 command_line ~= " "~join(args[i+1..$], " ");
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85 break Lfe;
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86 }
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87 }
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88 }
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89
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90 dbg = new Debugger(debuggee, this);
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91 dbg.create_new_console = true;
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92 }
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93
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94 int start()
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95 {
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96 while ( !quit )
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97 {
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98 try readCommand();
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99 catch ( Exception e )
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100 DbgIO.println(e.msg);
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101 }
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102 return 0;
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103 }
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104
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105 /**********************************************************************************************
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106
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107 **********************************************************************************************/
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108 void singleStep()
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109 {
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110 DbgIO.println(describeLocation(dbg.current_address));
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111 }
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112
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113 /**********************************************************************************************
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114
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115 **********************************************************************************************/
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116 void exitProcess()
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117 {
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118 DbgIO.println("Program exited");
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119 }
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120
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121 /**********************************************************************************************
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122
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123 **********************************************************************************************/
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124 void loadedDLL(DLL dll)
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125 {
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126 if( dll !is null && dll.image.name.length )
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127 DbgIO.writeln(dll.image.name~" loaded");
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128 else
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129 DbgIO.writeln("unknown DLL loaded");
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130 }
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131
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132 /**********************************************************************************************
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133
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134 **********************************************************************************************/
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135 void win32exception(uint threadId, EXCEPTION_RECORD* exrec)
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136 {
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137 DbgIO.println(
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138 "Program received signal SIG Unhandled Exception: %s(0x%x) at 0x%x",
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139 getExceptionName(exrec.ExceptionCode), exrec.ExceptionCode, exrec.ExceptionAddress //describeLocation(dbg.current_address)
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140 );
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141 }
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142
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143 /**********************************************************************************************
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144
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145 **********************************************************************************************/
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146 void exception(uint threadId, string class_name, string msg, size_t obj_ptr)
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147 {
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148 DbgIO.println(
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149 "Program received signal SIG Unhandled D Exception (%s%s) at %s",
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150 class_name, msg.length>0?" \""~msg~"\"":"", describeLocation(dbg.current_address)
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151 );
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152 }
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153
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154 /**********************************************************************************************
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155
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156 **********************************************************************************************/
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157 void userInterrupt()
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158 {
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159 DbgIO.println("User interrupt at %s", describeLocation(dbg.current_address));
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160 }
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161
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162 /**********************************************************************************************
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163
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164 **********************************************************************************************/
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165 bool breakpoint(int index, Breakpoint bp, DbgThread thread)
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166 {
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167 if ( bp.file is null || bp.line == 0 )
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168 DbgIO.println("Unknown breakpoint hit at %s", describeLocation(bp.address));
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169 else
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170 DbgIO.println("\032\032%s:%d:0:begmidl:0x%08x", fullname?dbg.getFullSourcePath(bp.file):bp.file, bp.line, bp.address);
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171 return true;
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172 }
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173
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174 /**********************************************************************************************
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175
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176 **********************************************************************************************/
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177 void debugString(string str)
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178 {
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179 printf("Error OUTPUT DEBUG STRING:\n%s\n", toStringz(str));
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180 }
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181
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182 /**********************************************************************************************
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183 Command line parser. Gets called when debuggee is suspended.
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184 **********************************************************************************************/
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185 bool parseCommand(string input)
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186 {
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187 if ( strip(input).length > 0 )
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188 {
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189 auto r = std.regexp.RegExp("(([^\" \\t]+)|(\"[^\"]+\"))+");
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190 lastcmd.length = 0;
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191 foreach ( m; r.search(strip(input)) )
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192 lastcmd ~= r.match(0);
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193 }
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194 if ( lastcmd.length <= 0 )
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195 return false;
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196
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197 int slash_pos = find(lastcmd[0], '/');
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198 if ( slash_pos >= 0 ) {
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199 lastcmd ~= lastcmd[0];
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200 lastcmd[0] = lastcmd[0][0..slash_pos];
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201 }
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202
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203 switch ( lastcmd[0] )
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204 {
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205 case "help":
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206 DbgIO.println("GDB emulation mode - no help available, yet");
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207 break;
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208 case "delete":
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209 if ( lastcmd.length < 2 )
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210 DbgIO.println("Warning: too few arguments for set");
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211 else switch ( lastcmd[1] )
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212 {
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213 case "breakpoints":
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214 if ( lastcmd.length < 3 )
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215 {
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216 foreach ( uint i; dbg.breakpoints.keys )
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217 dbg.removeBreakpoint(i);
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218 }
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219 else if ( !isNumeric(lastcmd[2]) )
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220 DbgIO.println("Warning: invalid breakpoint index '%s'", lastcmd[2]);
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221 else
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222 dbg.removeBreakpoint(cast(uint)atoi(lastcmd[2]));
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223 break;
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224 default:
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225 DbgIO.println("Warning: unknown argument %s", lastcmd[1]);
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226 }
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227 break;
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228 case "set":
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229 if ( lastcmd.length < 2 )
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230 DbgIO.println("Warning: too few arguments for set");
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231 else switch ( lastcmd[1] )
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232 {
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233 case "prompt":
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234 if ( lastcmd.length < 3 )
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235 DbgIO.println("Warning: too few arguments for set prompt");
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236 else
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237 prompt = lastcmd[2];
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238 break;
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239 case "args":
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240 if ( dbg.process_loaded )
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241 DbgIO.println("Warning: process already started");
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242 command_line = debuggee~" "~join(lastcmd[2..$], " ");
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243 break;
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244 default:
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245 DbgIO.println("Warning: unknown variable %s", lastcmd[1]);
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246 }
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247 break;
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248 case "info":
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249 if ( lastcmd.length < 2 )
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250 DbgIO.println("Warning: too few arguments for info");
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251 else
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252 {
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253 switch ( lastcmd[1] )
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254 {
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255 case "locals":
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256 if ( dbg.process_loaded )
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257 {
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258 uint scope_address = dbg.getScopeAddress(current_frame_level);
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259 ScopeSymbol scope_sym = dbg.images.findProcedureSymbol(scope_address);
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260 for ( ; scope_sym !is null; scope_sym = scope_sym.parent_scope )
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261 {
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262 if ( scope_sym is null )
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263 DbgIO.println("No valid scope active");
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264 else
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265 evalStackSymbols(scope_sym.symbols.stack_symbols);
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266 }
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267 }
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268 break;
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269 case "args":
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270 if ( dbg.process_loaded )
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271 {
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272 uint scope_address = dbg.getScopeAddress(current_frame_level);
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273 ScopeSymbol scope_sym = dbg.images.findProcedureSymbol(scope_address);
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274 for ( ; scope_sym !is null; scope_sym = scope_sym.parent_scope )
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275 {
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276 if ( scope_sym is null )
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277 DbgIO.println("No valid scope active");
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278 else
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279 {
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280 auto psym = cast(ProcedureSymbol)scope_sym;
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281 if ( psym !is null )
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282 evalStackSymbols(psym.arguments.stack_symbols);
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283 }
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284 }
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285 }
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286 break;
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287 case "registers":
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288 printRegisterDump(dbg.process.threads[dbg.thread_id]);
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289 break;
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290 case "frame":
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291 uint scope_address = dbg.getScopeAddress(current_frame_level);
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292 ubyte[] frame = dbg.stack.getFrame(current_frame_level);
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293 Location loc = dbg.images.findLocation(scope_address);
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294 DbgIO.print("Stack level %d, frame at ", current_frame_level);
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295 if ( loc.scope_sym !is null ) {
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296 ProcedureSymbol psym = cast(ProcedureSymbol)loc.scope_sym;
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297 DbgIO.println("0x%x:", loc.getCodeBase + psym.cvdata.offset + psym.cvdata.debug_start);
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298 }
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299 else
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300 DbgIO.println("0x%x:", dbg.current_address);
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301
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302 DbgIO.print(" eip = 0x%x in %s (",
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303 loc.address, loc.scope_sym is null?"??":loc.scope_sym.name_notype
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304 );
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305
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306 if ( loc.codeblock !is null )
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307 DbgIO.print("%s:%d", loc.file, loc.line);
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308 else if ( loc.mod !is null )
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309 DbgIO.write(loc.mod.name);
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310 else
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311 {
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312 DLL dll = dbg.process.findDLL(loc.address);
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313 if ( dll !is null )
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314 DbgIO.write(dll.image.name);
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315 }
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316
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317 DbgIO.println("); saved eip 0x%x", (cast(uint[])frame)[1]);
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318 break;
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319 default:
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320 DbgIO.println("Warning: unknown argument %s", lastcmd[1]);
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321 }
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322 }
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323 break;
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324 // select frame
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325 case "select-frame":
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326 if ( lastcmd.length > 1 )
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327 current_frame_level = cast(uint)atoi(lastcmd[1]);
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328 DbgIO.println("Current frame level is %d", current_frame_level);
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329 break;
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330 // add breakpoint
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331 case "tbreak":
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332 case "clear":
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333 case "break":
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334 int index;
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335 if ( lastcmd.length < 2 ) {
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336 DbgIO.println("invalid syntax - see help for details");
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337 break;
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338 }
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339 Location loc = new Location(lastcmd[1]);
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340 loc.bind(dbg.images, dbg.source_search_paths);
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341 if ( loc is null )
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342 break;
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343 if ( lastcmd.length > 2 )
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344 index = cast(int)atoi(lastcmd[2]);
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345
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346 if ( lastcmd[0] == "clear" )
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347 {
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348 Breakpoint bp = dbg.getBreakpoint(loc, index);
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349 dbg.removeBreakpoint(index);
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350 }
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351 else
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352 {
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353 Breakpoint bp;
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354 if ( lastcmd[0] == "tbreak" )
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355 index = -1;
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356 else if ( index <= 0 && dbg.breakpoints.length > 0 )
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357 index = dbg.breakpoints.keys.dup.sort[$-1]+1;
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358 bp = dbg.setBreakpoint(loc, index, 0);
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359 DbgIO.println("Breakpoint %d at 0x%08x", index, bp.address);
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360 }
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361 break;
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362 // add source search path
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363 case "directory":
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364 if ( lastcmd.length > 1 )
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365 {
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366 string sp = lastcmd[1].dup;
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367 if ( find(sp, '/') >= 0 )
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368 sp = replace(sp, "/", "\\");
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369 if ( sp[$-1] != '\\' )
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370 sp ~= '\\';
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371 dbg.source_search_paths ~= sp;
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372 }
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373 else
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374 DbgIO.println("usage: ssp <search_path>");
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375 break;
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376 // quit
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377 case "quit":
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378 case "q":
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379 dbg.abort = true;
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380 quit = true;
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381 return true;
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382 // run/continue
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383 case "cont":
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384 case "run":
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385 case "start":
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386 if ( dbg.process_loaded ) {
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387 dbg.single_step = false;
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388 dbg.paused = false;
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389 return true;
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390 }
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391 else {
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392 dbg.start(command_line);
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393 return true;
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394 }
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395 // single-step
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396 case "nexti":
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397 dbg.single_step = true;
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398 dbg.activateSingleStep(true);
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399 return true;
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400 // step over
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401 case "next":
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402 if ( dbg.step(StepMode.e_over) )
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403 return true;
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404 break;
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405 // step into
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406 case "step":
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407 if ( dbg.step(StepMode.e_in) )
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408 return true;
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409 break;
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410 // step out
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411 case "finish":
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412 if ( dbg.step(StepMode.e_out) )
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413 return true;
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414 break;
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415 // unwind stack
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416 case "bt":
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417 unwindStack();
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418 break;
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419 case "print":
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420 case "output":
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421 if ( dbg.process_loaded && lastcmd.length > 1 )
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422 {
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423 string expr;
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424 if ( lastcmd[1][0] == '/' )
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425 expr = lastcmd[2];
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426 else
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427 expr = lastcmd[1];
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428 try DbgIO.println(symbolValueToString(dbg.handleData(dbg.evaluateExpression(expr), false)));
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429 catch ( EvaluationException e ) {
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430 DbgIO.writeln(e.toString);
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431 }
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432 }
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433 break;
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434 case "disassemble":
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435 if ( !dbg.process_loaded )
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436 break;
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437
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438 uint start_address = dbg.current_address;
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439 if ( lastcmd.length > 1 )
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|
440 sscanf(toStringz(lastcmd[1]), "%x", &start_address);
|
|
|
441 else
|
|
|
442 {
|
|
|
443 Location loc = dbg.images.findLocation(dbg.current_address);
|
|
|
444 if ( loc.scope_sym !is null ) {
|
|
|
445 ProcedureSymbol psym = cast(ProcedureSymbol)loc.scope_sym;
|
|
|
446 start_address = loc.getCodeBase + psym.cvdata.offset;
|
|
|
447 DisAsm.disasm(dbg.process, start_address, start_address+psym.cvdata.proc_length, &printDisassembly);
|
|
|
448 break;
|
|
|
449 }
|
|
|
450 }
|
|
|
451 DisAsm.disasm(dbg.process, start_address, 0, &printDisassembly);
|
|
|
452 break;
|
|
|
453 case "x":
|
|
|
454 uint start_address;
|
|
|
455 if ( lastcmd.length > 2 )
|
|
|
456 {
|
|
|
457 if ( lastcmd[1].length > 2 && lastcmd[1][0..2] == "0x" )
|
|
|
458 lastcmd[1] = lastcmd[1][2..$];
|
|
|
459 sscanf(toStringz(lastcmd[1]), "%x", &start_address);
|
|
|
460 string count_str = lastcmd[$-1][2..$-2];
|
|
|
461 uint count = cast(uint)atoi(count_str);
|
|
|
462
|
|
|
463 dumpMemory(start_address, count);
|
|
|
464 }
|
|
|
465 else
|
|
|
466 DbgIO.println("Warning: too few arguments for x");
|
|
|
467 break;
|
|
|
468 case "whatis":
|
|
|
469 if ( dbg.process_loaded && lastcmd.length > 1 )
|
|
|
470 {
|
|
|
471 SymbolData sd = dbg.evaluateExpression(lastcmd[1], current_frame_level);
|
|
|
472 string type = demangle("_D0"~sd.type);
|
|
|
473 try DbgIO.println("type = %s", type);
|
|
|
474 catch ( EvaluationException e ) {
|
|
|
475 DbgIO.writeln(e.toString);
|
|
|
476 }
|
|
|
477 }
|
|
|
478 break;
|
|
|
479
|
|
|
480
|
|
|
481 // list source search paths
|
|
|
482 case "lsp":
|
|
|
483 foreach ( s; dbg.source_search_paths )
|
|
|
484 DbgIO.writeln(s);
|
|
|
485 break;
|
|
|
486 // list breakpoints
|
|
|
487 case "lbp":
|
|
|
488 if ( dbg.breakpoints.length <= 0 )
|
|
|
489 DbgIO.println("no breakpoints set");
|
|
|
490 foreach ( uint i, bp; dbg.breakpoints )
|
|
|
491 DbgIO.println("%d %s", i, bp.toString);
|
|
|
492 break;
|
|
|
493 // list temporary breakpoints
|
|
|
494 case "ltbp":
|
|
|
495 if ( dbg.temp_breakpoints.empty )
|
|
|
496 DbgIO.println("no temporary breakpoints set");
|
|
|
497 foreach ( bp; dbg.temp_breakpoints )
|
|
|
498 DbgIO.writeln(bp.value.toString);
|
|
|
499 break;
|
|
|
500 // list debug modules
|
|
|
501 case "lm":
|
|
|
502 string[] modules_noinfo;
|
|
|
503 foreach ( img; dbg.images.images )
|
|
|
504 {
|
|
|
505 if ( img.codeView is null )
|
|
|
506 continue;
|
|
|
507 foreach ( m; img.codeView.modulesByIndex )
|
|
|
508 {
|
|
|
509 string name = m.name;
|
|
|
510
|
|
|
511 if ( m.header.iLib > 0 )
|
|
|
512 name ~= " from "~img.codeView.libraries[m.header.iLib];
|
|
|
513
|
|
|
514 if ( lastcmd.length > 1 && find(name, lastcmd[1]) < 0 )
|
|
|
515 continue;
|
|
|
516
|
|
|
517 bool has_info = false;
|
|
|
518 with ( m.symbols ) if ( proc_symbols.length+stack_symbols.length+data_symbols.length > 0 )
|
|
|
519 {
|
|
|
520 DbgIO.println(
|
|
|
521 "%s\n\tSymbols: %d proc %d stack %d data",
|
|
|
522 name, proc_symbols.length, stack_symbols.length, data_symbols.length
|
|
|
523 );
|
|
|
524 has_info = true;
|
|
|
525 }
|
|
|
526 if ( m.source_module !is null )
|
|
|
527 {
|
|
|
528 DbgIO.println("\tSource files:");
|
|
|
529 has_info = true;
|
|
|
530 foreach ( sf; m.source_module.files )
|
|
|
531 DbgIO.println("\t\t%s", sf.name);
|
|
|
532 }
|
|
|
533 if ( !has_info )
|
|
|
534 modules_noinfo ~= name;
|
|
|
535 }
|
|
|
536 }
|
|
|
537 if ( modules_noinfo.length > 0 )
|
|
|
538 {
|
|
|
539 DbgIO.println("Modules without debug information:");
|
|
|
540 foreach ( m; modules_noinfo )
|
|
|
541 DbgIO.println("%s ", m);
|
|
|
542 }
|
|
|
543 break;
|
|
|
544 // list source modules
|
|
|
545 case "lsm":
|
|
|
546 foreach ( img; dbg.images.images )
|
|
|
547 {
|
|
|
548 if ( img.codeView is null )
|
|
|
549 continue;
|
|
|
550 foreach ( m; img.codeView.modulesByIndex )
|
|
|
551 {
|
|
|
552 if ( m.source_module !is null )
|
|
|
553 {
|
|
|
554 foreach ( sf; m.source_module.files )
|
|
|
555 {
|
|
|
556 if ( lastcmd.length > 1 && find(sf.name, lastcmd[1]) < 0 )
|
|
|
557 continue;
|
|
|
558 DbgIO.writeln(sf.name);
|
|
|
559 }
|
|
|
560 }
|
|
|
561 }
|
|
|
562 }
|
|
|
563 break;
|
|
|
564 // list all symbols
|
|
|
565 case "ls":
|
|
|
566 foreach ( img; dbg.images.images )
|
|
|
567 {
|
|
|
568 if ( img.codeView is null )
|
|
|
569 continue;
|
|
|
570 printSymbols(img.codeView, img.codeView.global_pub.named_symbols, lastcmd.length>1?lastcmd[1]:null);
|
|
|
571 printSymbols(img.codeView, img.codeView.global_sym.named_symbols, lastcmd.length>1?lastcmd[1]:null);
|
|
|
572 printSymbols(img.codeView, img.codeView.static_sym.named_symbols, lastcmd.length>1?lastcmd[1]:null);
|
|
|
573 foreach ( m; img.codeView.modulesByIndex )
|
|
|
574 printSymbols(img.codeView, m.symbols.named_symbols, lastcmd.length>1?lastcmd[1]:null);
|
|
|
575 }
|
|
|
576 break;
|
|
|
577 // list function symbols
|
|
|
578 case "lf":
|
|
|
579 foreach ( img; dbg.images.images )
|
|
|
580 {
|
|
|
581 if ( img.codeView is null )
|
|
|
582 continue;
|
|
|
583 printSymbols(img.codeView, img.codeView.global_pub.proc_symbols, lastcmd.length>1?lastcmd[1]:null);
|
|
|
584 printSymbols(img.codeView, img.codeView.global_sym.proc_symbols, lastcmd.length>1?lastcmd[1]:null);
|
|
|
585 printSymbols(img.codeView, img.codeView.static_sym.proc_symbols, lastcmd.length>1?lastcmd[1]:null);
|
|
|
586 foreach ( m; img.codeView.modulesByIndex )
|
|
|
587 printSymbols(img.codeView, m.symbols.proc_symbols, lastcmd.length>1?lastcmd[1]:null);
|
|
|
588 }
|
|
|
589 break;
|
|
|
590 // list data symbols
|
|
|
591 case "ld":
|
|
|
592 foreach ( img; dbg.images.images )
|
|
|
593 {
|
|
|
594 if ( img.codeView is null )
|
|
|
595 continue;
|
|
|
596 printSymbols(img.codeView, img.codeView.global_pub.data_symbols, lastcmd.length>1?lastcmd[1]:null);
|
|
|
597 printSymbols(img.codeView, img.codeView.global_sym.data_symbols, lastcmd.length>1?lastcmd[1]:null);
|
|
|
598 printSymbols(img.codeView, img.codeView.static_sym.data_symbols, lastcmd.length>1?lastcmd[1]:null);
|
|
|
599 foreach ( m; img.codeView.modulesByIndex )
|
|
|
600 printSymbols(img.codeView, m.symbols.data_symbols, lastcmd.length>1?lastcmd[1]:null);
|
|
|
601 }
|
|
|
602 break;
|
|
|
603 // list global symbols
|
|
|
604 case "lg":
|
|
|
605 foreach ( img; dbg.images.images )
|
|
|
606 {
|
|
|
607 if ( img.codeView is null )
|
|
|
608 continue;
|
|
|
609 printSymbols(img.codeView, img.codeView.global_pub.named_symbols, lastcmd.length>1?lastcmd[1]:null);
|
|
|
610 printSymbols(img.codeView, img.codeView.global_sym.named_symbols, lastcmd.length>1?lastcmd[1]:null);
|
|
|
611 }
|
|
|
612 break;
|
|
|
613 // list global publics
|
|
|
614 case "lp":
|
|
|
615 foreach ( img; dbg.images.images )
|
|
|
616 {
|
|
|
617 if ( img.codeView is null )
|
|
|
618 continue;
|
|
|
619 printSymbols(img.codeView, img.codeView.global_pub.named_symbols, lastcmd.length>1?lastcmd[1]:null);
|
|
|
620 }
|
|
|
621 break;
|
|
|
622 // delete breakpoint
|
|
|
623 case "dbp":
|
|
|
624 if ( lastcmd.length > 1 )
|
|
|
625 {
|
|
|
626 if ( lastcmd[1] == "*" )
|
|
|
627 {
|
|
|
628 foreach ( uint i, bp; dbg.breakpoints )
|
|
|
629 {
|
|
|
630 bp.deactivate(dbg.process);
|
|
|
631 dbg.breakpoints.remove(i);
|
|
|
632 }
|
|
|
633 }
|
|
|
634 else if ( isNumeric(lastcmd[1]) )
|
|
|
635 {
|
|
|
636 if ( !dbg.removeBreakpoint(cast(uint)atoi(lastcmd[1])) )
|
|
|
637 DbgIO.println("invalid breakpoint index: %s",lastcmd[1]);
|
|
|
638 }
|
|
|
639 else
|
|
|
640 {
|
|
|
641 Location loc = new Location(lastcmd[1]);
|
|
|
642 loc.bind(dbg.images, dbg.source_search_paths);
|
|
|
643 if ( loc !is null )
|
|
|
644 {
|
|
|
645 int bp_index;
|
|
|
646 dbg.getBreakpoint(loc, bp_index);
|
|
|
647 if ( bp_index >= 0 && !dbg.removeBreakpoint(bp_index) )
|
|
|
648 DbgIO.println("No breakpoint set at "~lastcmd[1]);
|
|
|
649 }
|
|
|
650 else
|
|
|
651 DbgIO.println("Usage: dbp [<bp index>|<file:line>]");
|
|
|
652 }
|
|
|
653 }
|
|
|
654 else
|
|
|
655 DbgIO.println("Usage: bp <sourc file>:<line>");
|
|
|
656 break;
|
|
|
657 // dump stack
|
|
|
658 case "ds":
|
|
|
659 int dump_length;
|
|
|
660 if ( lastcmd.length > 1 )
|
|
|
661 dump_length = cast(int)atoi(lastcmd[1])*4;
|
|
|
662 else
|
|
|
663 {
|
|
|
664 CONTEXT ctx;
|
|
|
665 if ( dbg.process.threads[dbg.thread_id].getContext(ctx, CONTEXT_CONTROL) )
|
|
|
666 dump_length = ctx.Ebp-ctx.Esp+8;
|
|
|
667 if ( dump_length <= 0 )
|
|
|
668 dump_length = 16*4;
|
|
|
669 }
|
|
|
670 int top = dbg.stack.data.length>dump_length?dump_length:dbg.stack.data.length;
|
|
|
671 dumpMemory(dbg.stack.top_ptr, top, dbg.stack.data);
|
|
|
672 break;
|
|
|
673 case "dm":
|
|
|
674 if ( lastcmd.length < 3 ) {
|
|
|
675 DbgIO.println("usage: dm <start> <length>");
|
|
|
676 break;
|
|
|
677 }
|
|
|
678 uint start;
|
|
|
679 sscanf(toStringz(lastcmd[1]), "%x", &start);
|
|
|
680 dumpMemory(start, cast(uint)atoi(lastcmd[2]));
|
|
|
681 break;
|
|
|
682
|
|
|
683 // unknown command
|
|
|
684 default:
|
|
|
685 DbgIO.println("Warning: Unknown command '%s' ignored!", lastcmd[0]);
|
|
|
686 break;
|
|
|
687 }
|
|
|
688
|
|
|
689 return false;
|
|
|
690 }
|
|
|
691
|
|
|
692 /**********************************************************************************************
|
|
|
693
|
|
|
694 **********************************************************************************************/
|
|
|
695 void dumpMemory(uint start, uint length, ubyte[] _data=null)
|
|
|
696 {
|
|
|
697 ubyte[] data;
|
|
|
698 if ( _data is null )
|
|
|
699 {
|
|
|
700 data.length = length;
|
|
|
701 if ( !dbg.process.readProcessMemory(start, data.ptr, data.length) )
|
|
|
702 return;
|
|
|
703 }
|
|
|
704 else
|
|
|
705 data = _data;
|
|
|
706 for ( uint i = 0; i < length; ++i )
|
|
|
707 {
|
|
|
708 if ( i % (8*4) == 0 )
|
|
|
709 {
|
|
|
710 if ( i > 0 )
|
|
|
711 DbgIO.println("");
|
|
|
712 DbgIO.print("0x%08x:", start+i);
|
|
|
713 }
|
|
|
714 DbgIO.print(" 0x%02x", data[i]);
|
|
|
715 }
|
|
|
716 DbgIO.println("");
|
|
|
717 }
|
|
|
718
|
|
|
719 /**********************************************************************************************
|
|
|
720
|
|
|
721 **********************************************************************************************/
|
|
|
722 void evalStackSymbols(StackSymbol[] symbols)
|
|
|
723 {
|
|
|
724 foreach ( sym; symbols )
|
|
|
725 {
|
|
|
726 string name = sym.mangled_name;
|
|
|
727 DbgIO.print("%s = ", name);
|
|
|
728 try DbgIO.writeln(symbolValueToString(dbg.handleData(dbg.evaluateExpression(name, current_frame_level, sym), true)));
|
|
|
729 catch ( EvaluationException e ) {
|
|
|
730 DbgIO.println(e.msg);
|
|
|
731 }
|
|
|
732 }
|
|
|
733 }
|
|
|
734
|
|
|
735 /**********************************************************************************************
|
|
|
736
|
|
|
737 **********************************************************************************************/
|
|
|
738 void printAsmLine(uint address, string bytes, string asmsource, string symbol, string location, string source)
|
|
|
739 {
|
|
|
740 bool nl = false;
|
|
|
741 if ( location !is null ) {
|
|
|
742 DbgIO.print("0x%08x <??>: // ", address);
|
|
|
743 DbgIO.write(location);
|
|
|
744 nl = true;
|
|
|
745 }
|
|
|
746 if ( source !is null )
|
|
|
747 {
|
|
|
748 if ( !nl )
|
|
|
749 DbgIO.print("0x%08x <??>: // ", address);
|
|
|
750 DbgIO.write(source);
|
|
|
751 nl = true;
|
|
|
752 }
|
|
|
753 if ( nl )
|
|
|
754 DbgIO.println;
|
|
|
755
|
|
|
756 assert(asmsource !is null);
|
|
|
757 DbgIO.print("0x%08x <??>: ", address, asmsource);
|
|
|
758
|
|
|
759 if ( symbol !is null )
|
|
|
760 DbgIO.write(symbol);
|
|
|
761 DbgIO.println;
|
|
|
762 }
|
|
|
763
|
|
|
764 /**********************************************************************************************
|
|
|
765 Prints the register contents of the given thread's context.
|
|
|
766 **********************************************************************************************/
|
|
|
767 void printRegisterDump(DbgThread thread)
|
|
|
768 {
|
|
|
769 CONTEXT ctx;
|
|
|
770 if ( thread.getContext(ctx) )
|
|
|
771 {
|
|
|
772 DbgIO.println("eax\t0x%x -\nebx\t0x%x -\necx\t0x%x -\nedx\t0x%x -", ctx.Eax, ctx.Ebx, ctx.Ecx, ctx.Edx);
|
|
|
773 DbgIO.println("cs\t0x%x -\nds\t0x%x -\nes\t0x%x -\nfs\t0x%x -", ctx.SegCs, ctx.SegDs, ctx.SegEs, ctx.SegFs);
|
|
|
774 DbgIO.println("gs\t0x%x -\nss\t0x%x -\nedi\t0x%x -\nesi\t0x%x -", ctx.SegGs, ctx.SegSs, ctx.Edi, ctx.Esi);
|
|
|
775 DbgIO.println("ebp\t0x%x -\nesp\t0x%x -\neip\t0x%x -\neflags\t0x%x -", ctx.Ebp, ctx.Esp, ctx.Eip, ctx.EFlags);
|
|
|
776 }
|
|
|
777 else
|
|
|
778 DbgIO.println("Warning: Couldn't get main thread's context");
|
|
|
779 }
|
|
|
780
|
|
|
781 /**********************************************************************************************
|
|
|
782
|
|
|
783 **********************************************************************************************/
|
|
|
784 string symbolValueToString(SymbolValue val)
|
|
|
785 {
|
|
|
786 string str;
|
|
|
787 if ( val.name !is null )
|
|
|
788 str = val.name~" = ";
|
|
|
789 if ( val.value !is null )
|
|
|
790 str ~= val.value;
|
|
|
791 else
|
|
|
792 {
|
|
|
793 if ( val.children.length > 0 )
|
|
|
794 {
|
|
|
795 str ~= "{";
|
|
|
796 bool first = true;
|
|
|
797 foreach ( c; val.children )
|
|
|
798 {
|
|
|
799 if ( first )
|
|
|
800 first = false;
|
|
|
801 else
|
|
|
802 str ~= ",";
|
|
|
803 str ~= symbolValueToString(c);
|
|
|
804 }
|
|
|
805 str ~= "}";
|
|
|
806 }
|
|
|
807 else
|
|
|
808 str ~= "{}";
|
|
|
809 }
|
|
|
810 return str;
|
|
|
811 }
|
|
|
812
|
|
|
813 /**********************************************************************************************
|
|
|
814 Read command and call CLI supplied parser function.
|
|
|
815 Gets called when debuggee is suspended.
|
|
|
816 **********************************************************************************************/
|
|
|
817 bool readCommand()
|
|
|
818 {
|
|
|
819 if ( cmdQueue.length > 0 )
|
|
|
820 {
|
|
|
821 string cmd = strip(cmdQueue[0]);
|
|
|
822 cmdQueue = cmdQueue[1..$];
|
|
|
823 DbgIO.writeln(prompt~cmd);
|
|
|
824 return parseCommand(cmd);
|
|
|
825 }
|
|
|
826 else {
|
|
|
827 DbgIO.write(prompt);
|
|
|
828 string input = DbgIO.readln();
|
|
|
829 return parseCommand(input);
|
|
|
830 }
|
|
|
831 }
|
|
|
832 }
|
