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100 lines
4.8 KiB
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<title>Shared Library GDB/MI Catchpoint Commands - Debugging with GDB</title>
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<link rel="up" href="GDB_002fMI-Catchpoint-Commands.html#GDB_002fMI-Catchpoint-Commands" title="GDB/MI Catchpoint Commands">
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<link rel="next" href="Ada-Exception-GDB_002fMI-Catchpoint-Commands.html#Ada-Exception-GDB_002fMI-Catchpoint-Commands" title="Ada Exception GDB/MI Catchpoint Commands">
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<a name="Shared-Library-GDB%2fMI-Catchpoint-Commands"></a>
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<a name="Shared-Library-GDB_002fMI-Catchpoint-Commands"></a>
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<p>
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Next: <a rel="next" accesskey="n" href="Ada-Exception-GDB_002fMI-Catchpoint-Commands.html#Ada-Exception-GDB_002fMI-Catchpoint-Commands">Ada Exception GDB/MI Catchpoint Commands</a>,
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Up: <a rel="up" accesskey="u" href="GDB_002fMI-Catchpoint-Commands.html#GDB_002fMI-Catchpoint-Commands">GDB/MI Catchpoint Commands</a>
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</div>
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<h4 class="subsection">27.9.1 Shared Library <span class="sc">gdb/mi</span> Catchpoints</h4>
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<h4 class="subheading">The <code>-catch-load</code> Command</h4>
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<p><a name="index-g_t_002dcatch_002dload-2994"></a>
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<h5 class="subsubheading">Synopsis</h5>
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<pre class="smallexample"> -catch-load [ -t ] [ -d ] <var>regexp</var>
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</pre>
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<p>Add a catchpoint for library load events. If the ‘<samp><span class="samp">-t</span></samp>’ option is used,
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the catchpoint is a temporary one (see <a href="Set-Breaks.html#Set-Breaks">Setting Breakpoints</a>). If the ‘<samp><span class="samp">-d</span></samp>’ option is used, the catchpoint is created
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in a disabled state. The ‘<samp><span class="samp">regexp</span></samp>’ argument is a regular
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expression used to match the name of the loaded library.
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<h5 class="subsubheading"><span class="sc">gdb</span> Command</h5>
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<p>The corresponding <span class="sc">gdb</span> command is ‘<samp><span class="samp">catch load</span></samp>’.
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<h5 class="subsubheading">Example</h5>
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<pre class="smallexample"> -catch-load -t foo.so
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^done,bkpt={number="1",type="catchpoint",disp="del",enabled="y",
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what="load of library matching foo.so",catch-type="load",times="0"}
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(gdb)
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</pre>
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<h4 class="subheading">The <code>-catch-unload</code> Command</h4>
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<p><a name="index-g_t_002dcatch_002dunload-2995"></a>
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<h5 class="subsubheading">Synopsis</h5>
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<pre class="smallexample"> -catch-unload [ -t ] [ -d ] <var>regexp</var>
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</pre>
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<p>Add a catchpoint for library unload events. If the ‘<samp><span class="samp">-t</span></samp>’ option is
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used, the catchpoint is a temporary one (see <a href="Set-Breaks.html#Set-Breaks">Setting Breakpoints</a>). If the ‘<samp><span class="samp">-d</span></samp>’ option is used, the catchpoint is
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created in a disabled state. The ‘<samp><span class="samp">regexp</span></samp>’ argument is a regular
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expression used to match the name of the unloaded library.
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<h5 class="subsubheading"><span class="sc">gdb</span> Command</h5>
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<p>The corresponding <span class="sc">gdb</span> command is ‘<samp><span class="samp">catch unload</span></samp>’.
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<h5 class="subsubheading">Example</h5>
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<pre class="smallexample"> -catch-unload -d bar.so
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^done,bkpt={number="2",type="catchpoint",disp="keep",enabled="n",
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what="load of library matching bar.so",catch-type="unload",times="0"}
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(gdb)
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</pre>
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</body></html>
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