165 lines
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165 lines
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<title>Ada Exception 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="prev" href="Shared-Library-GDB_002fMI-Catchpoint-Commands.html#Shared-Library-GDB_002fMI-Catchpoint-Commands" title="Shared Library GDB/MI Catchpoint Commands">
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<body>
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<div class="node">
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<a name="Ada-Exception-GDB%2fMI-Catchpoint-Commands"></a>
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<a name="Ada-Exception-GDB_002fMI-Catchpoint-Commands"></a>
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<p>
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Previous: <a rel="previous" accesskey="p" href="Shared-Library-GDB_002fMI-Catchpoint-Commands.html#Shared-Library-GDB_002fMI-Catchpoint-Commands">Shared Library 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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<hr>
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</div>
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<h4 class="subsection">27.9.2 Ada Exception <span class="sc">gdb/mi</span> Catchpoints</h4>
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<p>The following <span class="sc">gdb/mi</span> commands can be used to create catchpoints
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that stop the execution when Ada exceptions are being raised.
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<h4 class="subheading">The <code>-catch-assert</code> Command</h4>
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<p><a name="index-g_t_002dcatch_002dassert-2996"></a>
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<h5 class="subsubheading">Synopsis</h5>
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<pre class="smallexample"> -catch-assert [ -c <var>condition</var>] [ -d ] [ -t ]
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</pre>
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<p>Add a catchpoint for failed Ada assertions.
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<p>The possible optional parameters for this command are:
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<dl>
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<dt>‘<samp><span class="samp">-c </span><var>condition</var></samp>’<dd>Make the catchpoint conditional on <var>condition</var>.
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<br><dt>‘<samp><span class="samp">-d</span></samp>’<dd>Create a disabled catchpoint.
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<br><dt>‘<samp><span class="samp">-t</span></samp>’<dd>Create a temporary catchpoint.
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</dl>
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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 assert</span></samp>’.
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<h5 class="subsubheading">Example</h5>
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<pre class="smallexample"> -catch-assert
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^done,bkptno="5",bkpt={number="5",type="breakpoint",disp="keep",
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enabled="y",addr="0x0000000000404888",what="failed Ada assertions",
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thread-groups=["i1"],times="0",
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original-location="__gnat_debug_raise_assert_failure"}
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(gdb)
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</pre>
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<h4 class="subheading">The <code>-catch-exception</code> Command</h4>
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<p><a name="index-g_t_002dcatch_002dexception-2997"></a>
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<h5 class="subsubheading">Synopsis</h5>
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<pre class="smallexample"> -catch-exception [ -c <var>condition</var>] [ -d ] [ -e <var>exception-name</var> ]
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[ -t ] [ -u ]
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</pre>
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<p>Add a catchpoint stopping when Ada exceptions are raised.
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By default, the command stops the program when any Ada exception
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gets raised. But it is also possible, by using some of the
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optional parameters described below, to create more selective
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catchpoints.
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<p>The possible optional parameters for this command are:
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<dl>
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<dt>‘<samp><span class="samp">-c </span><var>condition</var></samp>’<dd>Make the catchpoint conditional on <var>condition</var>.
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<br><dt>‘<samp><span class="samp">-d</span></samp>’<dd>Create a disabled catchpoint.
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<br><dt>‘<samp><span class="samp">-e </span><var>exception-name</var></samp>’<dd>Only stop when <var>exception-name</var> is raised. This option cannot
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be used combined with ‘<samp><span class="samp">-u</span></samp>’.
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<br><dt>‘<samp><span class="samp">-t</span></samp>’<dd>Create a temporary catchpoint.
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<br><dt>‘<samp><span class="samp">-u</span></samp>’<dd>Stop only when an unhandled exception gets raised. This option
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cannot be used combined with ‘<samp><span class="samp">-e</span></samp>’.
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</dl>
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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> commands are ‘<samp><span class="samp">catch exception</span></samp>’
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and ‘<samp><span class="samp">catch exception unhandled</span></samp>’.
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<h5 class="subsubheading">Example</h5>
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<pre class="smallexample"> -catch-exception -e Program_Error
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^done,bkptno="4",bkpt={number="4",type="breakpoint",disp="keep",
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enabled="y",addr="0x0000000000404874",
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what="`Program_Error' Ada exception", thread-groups=["i1"],
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times="0",original-location="__gnat_debug_raise_exception"}
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(gdb)
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</pre>
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<h4 class="subheading">The <code>-catch-handlers</code> Command</h4>
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<p><a name="index-g_t_002dcatch_002dhandlers-2998"></a>
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<h5 class="subsubheading">Synopsis</h5>
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<pre class="smallexample"> -catch-handlers [ -c <var>condition</var>] [ -d ] [ -e <var>exception-name</var> ]
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[ -t ]
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</pre>
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<p>Add a catchpoint stopping when Ada exceptions are handled.
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By default, the command stops the program when any Ada exception
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gets handled. But it is also possible, by using some of the
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optional parameters described below, to create more selective
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catchpoints.
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<p>The possible optional parameters for this command are:
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<dl>
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<dt>‘<samp><span class="samp">-c </span><var>condition</var></samp>’<dd>Make the catchpoint conditional on <var>condition</var>.
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<br><dt>‘<samp><span class="samp">-d</span></samp>’<dd>Create a disabled catchpoint.
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<br><dt>‘<samp><span class="samp">-e </span><var>exception-name</var></samp>’<dd>Only stop when <var>exception-name</var> is handled.
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<br><dt>‘<samp><span class="samp">-t</span></samp>’<dd>Create a temporary catchpoint.
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</dl>
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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 handlers</span></samp>’.
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<h5 class="subsubheading">Example</h5>
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<pre class="smallexample"> -catch-handlers -e Constraint_Error
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^done,bkptno="4",bkpt={number="4",type="breakpoint",disp="keep",
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enabled="y",addr="0x0000000000402f68",
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what="`Constraint_Error' Ada exception handlers",thread-groups=["i1"],
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times="0",original-location="__gnat_begin_handler"}
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(gdb)
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</pre>
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<!-- %%%%%%%%%%%%%%%%%%%%%%%%%%%% SECTION %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -->
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</body></html>
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