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  15. <title>Debugging with GDB: Running</title>
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  64. <a name="Running-Programs-Under-GDB"></a>
  65. <h2 class="chapter">4 Running Programs Under <small>GDB</small></h2>
  66. <p>When you run a program under <small>GDB</small>, you must first generate
  67. debugging information when you compile it.
  68. </p>
  69. <p>You may start <small>GDB</small> with its arguments, if any, in an environment
  70. of your choice. If you are doing native debugging, you may redirect
  71. your program&rsquo;s input and output, debug an already running process, or
  72. kill a child process.
  73. </p>
  74. <table class="menu" border="0" cellspacing="0">
  75. <tr><td align="left" valign="top">&bull; <a href="Compilation.html#Compilation" accesskey="1">Compilation</a>:</td><td>&nbsp;&nbsp;</td><td align="left" valign="top">Compiling for debugging
  76. </td></tr>
  77. <tr><td align="left" valign="top">&bull; <a href="Starting.html#Starting" accesskey="2">Starting</a>:</td><td>&nbsp;&nbsp;</td><td align="left" valign="top">Starting your program
  78. </td></tr>
  79. <tr><td align="left" valign="top">&bull; <a href="Arguments.html#Arguments" accesskey="3">Arguments</a>:</td><td>&nbsp;&nbsp;</td><td align="left" valign="top">Your program&rsquo;s arguments
  80. </td></tr>
  81. <tr><td align="left" valign="top">&bull; <a href="Environment.html#Environment" accesskey="4">Environment</a>:</td><td>&nbsp;&nbsp;</td><td align="left" valign="top">Your program&rsquo;s environment
  82. </td></tr>
  83. <tr><th colspan="3" align="left" valign="top"><pre class="menu-comment">
  84. </pre></th></tr><tr><td align="left" valign="top">&bull; <a href="Working-Directory.html#Working-Directory" accesskey="5">Working Directory</a>:</td><td>&nbsp;&nbsp;</td><td align="left" valign="top">Your program&rsquo;s working directory
  85. </td></tr>
  86. <tr><td align="left" valign="top">&bull; <a href="Input_002fOutput.html#Input_002fOutput" accesskey="6">Input/Output</a>:</td><td>&nbsp;&nbsp;</td><td align="left" valign="top">Your program&rsquo;s input and output
  87. </td></tr>
  88. <tr><td align="left" valign="top">&bull; <a href="Attach.html#Attach" accesskey="7">Attach</a>:</td><td>&nbsp;&nbsp;</td><td align="left" valign="top">Debugging an already-running process
  89. </td></tr>
  90. <tr><td align="left" valign="top">&bull; <a href="Kill-Process.html#Kill-Process" accesskey="8">Kill Process</a>:</td><td>&nbsp;&nbsp;</td><td align="left" valign="top">Killing the child process
  91. </td></tr>
  92. <tr><td align="left" valign="top">&bull; <a href="Inferiors-Connections-and-Programs.html#Inferiors-Connections-and-Programs" accesskey="9">Inferiors Connections and Programs</a>:</td><td>&nbsp;&nbsp;</td><td align="left" valign="top">Debugging multiple inferiors
  93. connections and programs
  94. </td></tr>
  95. <tr><td align="left" valign="top">&bull; <a href="Threads.html#Threads">Threads</a>:</td><td>&nbsp;&nbsp;</td><td align="left" valign="top">Debugging programs with multiple threads
  96. </td></tr>
  97. <tr><td align="left" valign="top">&bull; <a href="Forks.html#Forks">Forks</a>:</td><td>&nbsp;&nbsp;</td><td align="left" valign="top">Debugging forks
  98. </td></tr>
  99. <tr><td align="left" valign="top">&bull; <a href="Checkpoint_002fRestart.html#Checkpoint_002fRestart">Checkpoint/Restart</a>:</td><td>&nbsp;&nbsp;</td><td align="left" valign="top">Setting a <em>bookmark</em> to return to later
  100. </td></tr>
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