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<title>Ada Exception GDB/MI Catchpoint Commands (Debugging with GDB)</title>
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<link href="index.html#SEC_Contents" rel="contents" title="Table of Contents">
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<link href="GDB_002fMI-Catchpoint-Commands.html#GDB_002fMI-Catchpoint-Commands" rel="up" title="GDB/MI Catchpoint Commands">
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<a name="Ada-Exception-GDB_002fMI-Catchpoint-Commands"></a>
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<div class="header">
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<p>
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Previous: <a href="Shared-Library-GDB_002fMI-Catchpoint-Commands.html#Shared-Library-GDB_002fMI-Catchpoint-Commands" accesskey="p" rel="prev">Shared Library GDB/MI Catchpoint Commands</a>, Up: <a href="GDB_002fMI-Catchpoint-Commands.html#GDB_002fMI-Catchpoint-Commands" accesskey="u" rel="up">GDB/MI Catchpoint Commands</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Concept-Index.html#Concept-Index" title="Index" rel="index">Index</a>]</p>
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</div>
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<hr>
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<a name="Ada-Exception-GDB_002fMI-Catchpoints"></a>
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<h4 class="subsection">27.9.2 Ada Exception <small>GDB/MI</small> Catchpoints</h4>
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<p>The following <small>GDB/MI</small> 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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</p>
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<a name="The-_002dcatch_002dassert-Command"></a>
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<h4 class="subheading">The <code>-catch-assert</code> Command</h4>
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<a name="index-_002dcatch_002dassert"></a>
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<a name="Synopsis-15"></a>
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<h4 class="subsubheading">Synopsis</h4>
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<div class="smallexample">
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<pre class="smallexample"> -catch-assert [ -c <var>condition</var>] [ -d ] [ -t ]
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</pre></div>
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<p>Add a catchpoint for failed Ada assertions.
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</p>
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<p>The possible optional parameters for this command are:
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</p>
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<dl compact="compact">
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<dt>‘<samp>-c <var>condition</var></samp>’</dt>
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<dd><p>Make the catchpoint conditional on <var>condition</var>.
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</p></dd>
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<dt>‘<samp>-d</samp>’</dt>
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<dd><p>Create a disabled catchpoint.
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</p></dd>
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<dt>‘<samp>-t</samp>’</dt>
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<dd><p>Create a temporary catchpoint.
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</p></dd>
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</dl>
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<a name="GDB-Command-14"></a>
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<h4 class="subsubheading"><small>GDB</small> Command</h4>
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<p>The corresponding <small>GDB</small> command is ‘<samp>catch assert</samp>’.
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</p>
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<a name="Example-14"></a>
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<h4 class="subsubheading">Example</h4>
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<div class="smallexample">
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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></div>
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<a name="The-_002dcatch_002dexception-Command"></a>
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<h4 class="subheading">The <code>-catch-exception</code> Command</h4>
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<a name="index-_002dcatch_002dexception"></a>
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<a name="Synopsis-16"></a>
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<h4 class="subsubheading">Synopsis</h4>
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<div class="smallexample">
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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></div>
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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>
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<p>The possible optional parameters for this command are:
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</p>
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<dl compact="compact">
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<dt>‘<samp>-c <var>condition</var></samp>’</dt>
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<dd><p>Make the catchpoint conditional on <var>condition</var>.
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</p></dd>
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<dt>‘<samp>-d</samp>’</dt>
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<dd><p>Create a disabled catchpoint.
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</p></dd>
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<dt>‘<samp>-e <var>exception-name</var></samp>’</dt>
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<dd><p>Only stop when <var>exception-name</var> is raised. This option cannot
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be used combined with ‘<samp>-u</samp>’.
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</p></dd>
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<dt>‘<samp>-t</samp>’</dt>
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<dd><p>Create a temporary catchpoint.
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</p></dd>
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<dt>‘<samp>-u</samp>’</dt>
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<dd><p>Stop only when an unhandled exception gets raised. This option
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cannot be used combined with ‘<samp>-e</samp>’.
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</p></dd>
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</dl>
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<a name="GDB-Command-15"></a>
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<h4 class="subsubheading"><small>GDB</small> Command</h4>
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<p>The corresponding <small>GDB</small> commands are ‘<samp>catch exception</samp>’
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and ‘<samp>catch exception unhandled</samp>’.
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</p>
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<a name="Example-15"></a>
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<h4 class="subsubheading">Example</h4>
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<div class="smallexample">
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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></div>
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<a name="The-_002dcatch_002dhandlers-Command"></a>
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<h4 class="subheading">The <code>-catch-handlers</code> Command</h4>
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<a name="index-_002dcatch_002dhandlers"></a>
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<a name="Synopsis-17"></a>
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<h4 class="subsubheading">Synopsis</h4>
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<div class="smallexample">
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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></div>
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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>
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<p>The possible optional parameters for this command are:
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</p>
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<dl compact="compact">
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<dt>‘<samp>-c <var>condition</var></samp>’</dt>
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<dd><p>Make the catchpoint conditional on <var>condition</var>.
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</p></dd>
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<dt>‘<samp>-d</samp>’</dt>
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<dd><p>Create a disabled catchpoint.
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</p></dd>
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<dt>‘<samp>-e <var>exception-name</var></samp>’</dt>
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<dd><p>Only stop when <var>exception-name</var> is handled.
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</p></dd>
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<dt>‘<samp>-t</samp>’</dt>
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<dd><p>Create a temporary catchpoint.
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</p></dd>
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</dl>
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<a name="GDB-Command-16"></a>
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<h4 class="subsubheading"><small>GDB</small> Command</h4>
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<p>The corresponding <small>GDB</small> command is ‘<samp>catch handlers</samp>’.
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</p>
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<a name="Example-16"></a>
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<h4 class="subsubheading">Example</h4>
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<div class="smallexample">
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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></div>
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<hr>
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<div class="header">
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<p>
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Previous: <a href="Shared-Library-GDB_002fMI-Catchpoint-Commands.html#Shared-Library-GDB_002fMI-Catchpoint-Commands" accesskey="p" rel="prev">Shared Library GDB/MI Catchpoint Commands</a>, Up: <a href="GDB_002fMI-Catchpoint-Commands.html#GDB_002fMI-Catchpoint-Commands" accesskey="u" rel="up">GDB/MI Catchpoint Commands</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Concept-Index.html#Concept-Index" title="Index" rel="index">Index</a>]</p>
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</div>
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