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diff --git a/share/doc/gdb/C_002b_002b-Exception-GDB_002fMI-Catchpoint-Commands.html b/share/doc/gdb/C_002b_002b-Exception-GDB_002fMI-Catchpoint-Commands.html new file mode 100644 index 0000000..e1ca8d8 --- /dev/null +++ b/share/doc/gdb/C_002b_002b-Exception-GDB_002fMI-Catchpoint-Commands.html @@ -0,0 +1,230 @@ +<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> +<html> +<!-- Copyright (C) 1988-2023 Free Software Foundation, Inc. + +Permission is granted to copy, distribute and/or modify this document +under the terms of the GNU Free Documentation License, Version 1.3 or +any later version published by the Free Software Foundation; with the +Invariant Sections being "Free Software" and "Free Software Needs +Free Documentation", with the Front-Cover Texts being "A GNU Manual," +and with the Back-Cover Texts as in (a) below. + +(a) The FSF's Back-Cover Text is: "You are free to copy and modify +this GNU Manual. Buying copies from GNU Press supports the FSF in +developing GNU and promoting software freedom." --> +<!-- Created by GNU Texinfo 5.1, http://www.gnu.org/software/texinfo/ --> +<head> +<title>Debugging with GDB: C++ Exception GDB/MI Catchpoint Commands</title> + +<meta name="description" content="Debugging with GDB: C++ Exception GDB/MI Catchpoint Commands"> +<meta name="keywords" content="Debugging with GDB: C++ Exception GDB/MI Catchpoint Commands"> +<meta name="resource-type" content="document"> +<meta name="distribution" content="global"> +<meta name="Generator" content="makeinfo"> +<meta http-equiv="Content-Type" content="text/html; charset=utf-8"> +<link href="index.html#Top" rel="start" title="Top"> +<link href="Concept-Index.html#Concept-Index" rel="index" title="Concept Index"> +<link href="index.html#SEC_Contents" rel="contents" title="Table of Contents"> +<link href="GDB_002fMI-Catchpoint-Commands.html#GDB_002fMI-Catchpoint-Commands" rel="up" title="GDB/MI Catchpoint Commands"> +<link href="GDB_002fMI-Program-Context.html#GDB_002fMI-Program-Context" rel="next" title="GDB/MI Program Context"> +<link href="Ada-Exception-GDB_002fMI-Catchpoint-Commands.html#Ada-Exception-GDB_002fMI-Catchpoint-Commands" rel="previous" title="Ada Exception GDB/MI Catchpoint Commands"> +<style type="text/css"> +<!-- +a.summary-letter {text-decoration: none} +blockquote.smallquotation {font-size: smaller} +div.display {margin-left: 3.2em} +div.example {margin-left: 3.2em} +div.indentedblock {margin-left: 3.2em} +div.lisp {margin-left: 3.2em} +div.smalldisplay {margin-left: 3.2em} +div.smallexample {margin-left: 3.2em} +div.smallindentedblock {margin-left: 3.2em; font-size: smaller} +div.smalllisp {margin-left: 3.2em} +kbd {font-style:oblique} +pre.display {font-family: inherit} +pre.format {font-family: inherit} +pre.menu-comment {font-family: serif} +pre.menu-preformatted {font-family: serif} +pre.smalldisplay {font-family: inherit; font-size: smaller} +pre.smallexample {font-size: smaller} +pre.smallformat {font-family: inherit; font-size: smaller} +pre.smalllisp {font-size: smaller} +span.nocodebreak {white-space:nowrap} +span.nolinebreak {white-space:nowrap} +span.roman {font-family:serif; font-weight:normal} +span.sansserif {font-family:sans-serif; font-weight:normal} +ul.no-bullet {list-style: none} +--> +</style> + + +</head> + +<body lang="en" bgcolor="#FFFFFF" text="#000000" link="#0000FF" vlink="#800080" alink="#FF0000"> +<a name="C_002b_002b-Exception-GDB_002fMI-Catchpoint-Commands"></a> +<div class="header"> +<p> +Previous: <a href="Ada-Exception-GDB_002fMI-Catchpoint-Commands.html#Ada-Exception-GDB_002fMI-Catchpoint-Commands" accesskey="p" rel="previous">Ada Exception 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> +</div> +<hr> +<a name="C_002b_002b-Exception-GDB_002fMI-Catchpoints"></a> +<h4 class="subsection">27.9.3 C<tt>++</tt> Exception <small>GDB/MI</small> Catchpoints</h4> + +<p>The following <small>GDB/MI</small> commands can be used to create catchpoints +that stop the execution when C<tt>++</tt> exceptions are being throw, rethrown, +or caught. +</p> +<a name="The-_002dcatch_002dthrow-Command"></a> +<h4 class="subheading">The <code>-catch-throw</code> Command</h4> +<a name="index-_002dcatch_002dthrow"></a> + +<a name="Synopsis-18"></a> +<h4 class="subsubheading">Synopsis</h4> + +<div class="smallexample"> +<pre class="smallexample"> -catch-throw [ -t ] [ -r <var>regexp</var>] +</pre></div> + +<p>Stop when the debuggee throws a C<tt>++</tt> exception. If <var>regexp</var> is +given, then only exceptions whose type matches the regular expression +will be caught. +</p> +<p>If ‘<samp>-t</samp>’ is given, then the catchpoint is enabled only for one +stop, the catchpoint is automatically deleted after stopping once for +the event. +</p> +<a name="GDB-Command-17"></a> +<h4 class="subsubheading"><small>GDB</small> Command</h4> + +<p>The corresponding <small>GDB</small> commands are ‘<samp>catch throw</samp>’ +and ‘<samp>tcatch throw</samp>’ (see <a href="Set-Catchpoints.html#Set-Catchpoints">Set Catchpoints</a>). +</p> +<a name="Example-17"></a> +<h4 class="subsubheading">Example</h4> + +<div class="smallexample"> +<pre class="smallexample">-catch-throw -r exception_type +^done,bkpt={number="1",type="catchpoint",disp="keep",enabled="y", + what="exception throw",catch-type="throw", + thread-groups=["i1"], + regexp="exception_type",times="0"} +(gdb) +-exec-run +^running +(gdb) +~"\n" +~"Catchpoint 1 (exception thrown), 0x00007ffff7ae00ed + in __cxa_throw () from /lib64/libstdc++.so.6\n" +*stopped,bkptno="1",reason="breakpoint-hit",disp="keep", + frame={addr="0x00007ffff7ae00ed",func="__cxa_throw", + args=[],from="/lib64/libstdc++.so.6",arch="i386:x86-64"}, + thread-id="1",stopped-threads="all",core="6" +(gdb) +</pre></div> + +<a name="The-_002dcatch_002drethrow-Command"></a> +<h4 class="subheading">The <code>-catch-rethrow</code> Command</h4> +<a name="index-_002dcatch_002drethrow"></a> + +<a name="Synopsis-19"></a> +<h4 class="subsubheading">Synopsis</h4> + +<div class="smallexample"> +<pre class="smallexample"> -catch-rethrow [ -t ] [ -r <var>regexp</var>] +</pre></div> + +<p>Stop when a C<tt>++</tt> exception is re-thrown. If <var>regexp</var> is given, +then only exceptions whose type matches the regular expression will be +caught. +</p> +<p>If ‘<samp>-t</samp>’ is given, then the catchpoint is enabled only for one +stop, the catchpoint is automatically deleted after the first event is +caught. +</p> +<a name="GDB-Command-18"></a> +<h4 class="subsubheading"><small>GDB</small> Command</h4> + +<p>The corresponding <small>GDB</small> commands are ‘<samp>catch rethrow</samp>’ +and ‘<samp>tcatch rethrow</samp>’ (see <a href="Set-Catchpoints.html#Set-Catchpoints">Set Catchpoints</a>). +</p> +<a name="Example-18"></a> +<h4 class="subsubheading">Example</h4> + +<div class="smallexample"> +<pre class="smallexample">-catch-rethrow -r exception_type +^done,bkpt={number="1",type="catchpoint",disp="keep",enabled="y", + what="exception rethrow",catch-type="rethrow", + thread-groups=["i1"], + regexp="exception_type",times="0"} +(gdb) +-exec-run +^running +(gdb) +~"\n" +~"Catchpoint 1 (exception rethrown), 0x00007ffff7ae00ed + in __cxa_rethrow () from /lib64/libstdc++.so.6\n" +*stopped,bkptno="1",reason="breakpoint-hit",disp="keep", + frame={addr="0x00007ffff7ae00ed",func="__cxa_rethrow", + args=[],from="/lib64/libstdc++.so.6",arch="i386:x86-64"}, + thread-id="1",stopped-threads="all",core="6" +(gdb) +</pre></div> + +<a name="The-_002dcatch_002dcatch-Command"></a> +<h4 class="subheading">The <code>-catch-catch</code> Command</h4> +<a name="index-_002dcatch_002dcatch"></a> + +<a name="Synopsis-20"></a> +<h4 class="subsubheading">Synopsis</h4> + +<div class="smallexample"> +<pre class="smallexample"> -catch-catch [ -t ] [ -r <var>regexp</var>] +</pre></div> + +<p>Stop when the debuggee catches a C<tt>++</tt> exception. If <var>regexp</var> +is given, then only exceptions whose type matches the regular +expression will be caught. +</p> +<p>If ‘<samp>-t</samp>’ is given, then the catchpoint is enabled only for one +stop, the catchpoint is automatically deleted after the first event is +caught. +</p> +<a name="GDB-Command-19"></a> +<h4 class="subsubheading"><small>GDB</small> Command</h4> + +<p>The corresponding <small>GDB</small> commands are ‘<samp>catch catch</samp>’ +and ‘<samp>tcatch catch</samp>’ (see <a href="Set-Catchpoints.html#Set-Catchpoints">Set Catchpoints</a>). +</p> +<a name="Example-19"></a> +<h4 class="subsubheading">Example</h4> + +<div class="smallexample"> +<pre class="smallexample">-catch-catch -r exception_type +^done,bkpt={number="1",type="catchpoint",disp="keep",enabled="y", + what="exception catch",catch-type="catch", + thread-groups=["i1"], + regexp="exception_type",times="0"} +(gdb) +-exec-run +^running +(gdb) +~"\n" +~"Catchpoint 1 (exception caught), 0x00007ffff7ae00ed + in __cxa_begin_catch () from /lib64/libstdc++.so.6\n" +*stopped,bkptno="1",reason="breakpoint-hit",disp="keep", + frame={addr="0x00007ffff7ae00ed",func="__cxa_begin_catch", + args=[],from="/lib64/libstdc++.so.6",arch="i386:x86-64"}, + thread-id="1",stopped-threads="all",core="6" +(gdb) +</pre></div> + +<hr> +<div class="header"> +<p> +Previous: <a href="Ada-Exception-GDB_002fMI-Catchpoint-Commands.html#Ada-Exception-GDB_002fMI-Catchpoint-Commands" accesskey="p" rel="previous">Ada Exception 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> +</div> + + + +</body> +</html> |