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