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| <a name="Setting-File-to-Debug"></a> |
| <h4 class="subsubsection">21.3.8.1 Setting File to Debug</h4> |
| |
| <p>The <small>GDB</small> command <code>file</code> lets you choose with program to debug. |
| </p> |
| <div class="smallexample"> |
| <pre class="smallexample">(gdbslet) file prog |
| </pre></div> |
| |
| <p><small>GDB</small> then attempts to read the symbol table of <samp>prog</samp>. |
| <small>GDB</small> locates |
| the file by searching the directories listed in the command search |
| path. |
| If the file was compiled with debug information (option ‘<samp>-g</samp>’), source |
| files will be searched as well. |
| <small>GDB</small> locates |
| the source files by searching the directories listed in the directory search |
| path (see <a href="Environment.html#Environment">Your Program’s Environment</a>). |
| If it fails |
| to find a file, it displays a message such as: |
| </p> |
| <div class="smallexample"> |
| <pre class="smallexample">prog: No such file or directory. |
| </pre></div> |
| |
| <p>When this happens, add the appropriate directories to the search paths with |
| the <small>GDB</small> commands <code>path</code> and <code>dir</code>, and execute the |
| <code>target</code> command again. |
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