1<html lang="en"> 2<head> 3<title>Input Section Keep - Untitled</title> 4<meta http-equiv="Content-Type" content="text/html"> 5<meta name="description" content="Untitled"> 6<meta name="generator" content="makeinfo 4.13"> 7<link title="Top" rel="start" href="index.html#Top"> 8<link rel="up" href="Input-Section.html#Input-Section" title="Input Section"> 9<link rel="prev" href="Input-Section-Common.html#Input-Section-Common" title="Input Section Common"> 10<link rel="next" href="Input-Section-Example.html#Input-Section-Example" title="Input Section Example"> 11<link href="http://www.gnu.org/software/texinfo/" rel="generator-home" title="Texinfo Homepage"> 12<!-- 13This file documents the GNU linker LD 14(Sourcery CodeBench Lite 2011.09-69) 15version 2.21.53. 16 17Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 182001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc. 19 20Permission is granted to copy, distribute and/or modify this document 21under the terms of the GNU Free Documentation License, Version 1.3 22or any later version published by the Free Software Foundation; 23with no Invariant Sections, with no Front-Cover Texts, and with no 24Back-Cover Texts. A copy of the license is included in the 25section entitled ``GNU Free Documentation License''.--> 26<meta http-equiv="Content-Style-Type" content="text/css"> 27<style type="text/css"><!-- 28 pre.display { font-family:inherit } 29 pre.format { font-family:inherit } 30 pre.smalldisplay { font-family:inherit; font-size:smaller } 31 pre.smallformat { font-family:inherit; font-size:smaller } 32 pre.smallexample { font-size:smaller } 33 pre.smalllisp { font-size:smaller } 34 span.sc { font-variant:small-caps } 35 span.roman { font-family:serif; font-weight:normal; } 36 span.sansserif { font-family:sans-serif; font-weight:normal; } 37--></style> 38<link rel="stylesheet" type="text/css" href="../cs.css"> 39</head> 40<body> 41<div class="node"> 42<a name="Input-Section-Keep"></a> 43<p> 44Next: <a rel="next" accesskey="n" href="Input-Section-Example.html#Input-Section-Example">Input Section Example</a>, 45Previous: <a rel="previous" accesskey="p" href="Input-Section-Common.html#Input-Section-Common">Input Section Common</a>, 46Up: <a rel="up" accesskey="u" href="Input-Section.html#Input-Section">Input Section</a> 47<hr> 48</div> 49 50<h5 class="subsubsection">3.6.4.4 Input Section and Garbage Collection</h5> 51 52<p><a name="index-KEEP-421"></a><a name="index-garbage-collection-422"></a>When link-time garbage collection is in use (‘<samp><span class="samp">--gc-sections</span></samp>’), 53it is often useful to mark sections that should not be eliminated. 54This is accomplished by surrounding an input section's wildcard entry 55with <code>KEEP()</code>, as in <code>KEEP(*(.init))</code> or 56<code>KEEP(SORT_BY_NAME(*)(.ctors))</code>. 57 58 </body></html> 59 60