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143 lines
6.2 KiB
HTML
143 lines
6.2 KiB
HTML
4 years ago
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<!-- Copyright (C) 1988-2019 Free Software Foundation, Inc.
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Permission is granted to copy, distribute and/or modify this document
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under the terms of the GNU Free Documentation License, Version 1.3 or
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any later version published by the Free Software Foundation; with the
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Invariant Sections being "Free Software" and "Free Software Needs
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Free Documentation", with the Front-Cover Texts being "A GNU Manual,"
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and with the Back-Cover Texts as in (a) below.
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(a) The FSF's Back-Cover Text is: "You are free to copy and modify
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this GNU Manual. Buying copies from GNU Press supports the FSF in
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developing GNU and promoting software freedom." -->
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<!-- Created by GNU Texinfo 6.4, http://www.gnu.org/software/texinfo/ -->
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<head>
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<title>Shared Library GDB/MI Catchpoint Commands (Debugging with GDB)</title>
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<meta name="description" content="Shared Library GDB/MI Catchpoint Commands (Debugging with GDB)">
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<meta name="keywords" content="Shared Library GDB/MI Catchpoint Commands (Debugging with GDB)">
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<meta name="Generator" content="makeinfo">
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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<link href="index.html#Top" rel="start" title="Top">
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<link href="Concept-Index.html#Concept-Index" rel="index" title="Concept Index">
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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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<link href="Ada-Exception-GDB_002fMI-Catchpoint-Commands.html#Ada-Exception-GDB_002fMI-Catchpoint-Commands" rel="next" title="Ada Exception GDB/MI Catchpoint Commands">
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<link href="GDB_002fMI-Catchpoint-Commands.html#GDB_002fMI-Catchpoint-Commands" rel="prev" title="GDB/MI Catchpoint Commands">
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</style>
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</head>
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<body lang="en">
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<a name="Shared-Library-GDB_002fMI-Catchpoint-Commands"></a>
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<div class="header">
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<p>
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Next: <a href="Ada-Exception-GDB_002fMI-Catchpoint-Commands.html#Ada-Exception-GDB_002fMI-Catchpoint-Commands" accesskey="n" rel="next">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>
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</div>
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<hr>
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<a name="Shared-Library-GDB_002fMI-Catchpoints"></a>
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<h4 class="subsection">27.9.1 Shared Library <small>GDB/MI</small> Catchpoints</h4>
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<a name="The-_002dcatch_002dload-Command"></a>
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<h4 class="subheading">The <code>-catch-load</code> Command</h4>
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<a name="index-_002dcatch_002dload"></a>
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<a name="Synopsis-13"></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-load [ -t ] [ -d ] <var>regexp</var>
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</pre></div>
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<p>Add a catchpoint for library load events. If the ‘<samp>-t</samp>’ option is used,
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the catchpoint is a temporary one (see <a href="Set-Breaks.html#Set-Breaks">Setting
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Breakpoints</a>). If the ‘<samp>-d</samp>’ option is used, the catchpoint is created
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in a disabled state. The ‘<samp>regexp</samp>’ argument is a regular
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expression used to match the name of the loaded library.
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</p>
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<a name="GDB-Command-12"></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 load</samp>’.
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</p>
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<a name="Example-12"></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-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></div>
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<a name="The-_002dcatch_002dunload-Command"></a>
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<h4 class="subheading">The <code>-catch-unload</code> Command</h4>
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<a name="index-_002dcatch_002dunload"></a>
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<a name="Synopsis-14"></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-unload [ -t ] [ -d ] <var>regexp</var>
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</pre></div>
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<p>Add a catchpoint for library unload events. If the ‘<samp>-t</samp>’ option is
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used, the catchpoint is a temporary one (see <a href="Set-Breaks.html#Set-Breaks">Setting
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Breakpoints</a>). If the ‘<samp>-d</samp>’ option is used, the catchpoint is
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created in a disabled state. The ‘<samp>regexp</samp>’ argument is a regular
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expression used to match the name of the unloaded library.
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</p>
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<a name="GDB-Command-13"></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 unload</samp>’.
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</p>
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<a name="Example-13"></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-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></div>
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</body>
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</html>
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