1<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> 2<html> 3<!-- This file documents the GNU linker LD 4(GNU Toolchain for the A-profile Architecture 10.3-2021.07 (arm-10.29)) 5version 2.36.1. 6 7Copyright (C) 1991-2021 Free Software Foundation, Inc. 8 9Permission is granted to copy, distribute and/or modify this document 10under the terms of the GNU Free Documentation License, Version 1.3 11or any later version published by the Free Software Foundation; 12with no Invariant Sections, with no Front-Cover Texts, and with no 13Back-Cover Texts. A copy of the license is included in the 14section entitled "GNU Free Documentation License". --> 15<!-- Created by GNU Texinfo 5.1, http://www.gnu.org/software/texinfo/ --> 16<head> 17<title>LD: Input Section</title> 18 19<meta name="description" content="LD: Input Section"> 20<meta name="keywords" content="LD: Input Section"> 21<meta name="resource-type" content="document"> 22<meta name="distribution" content="global"> 23<meta name="Generator" content="makeinfo"> 24<meta http-equiv="Content-Type" content="text/html; charset=utf-8"> 25<link href="index.html#Top" rel="start" title="Top"> 26<link href="LD-Index.html#LD-Index" rel="index" title="LD Index"> 27<link href="index.html#SEC_Contents" rel="contents" title="Table of Contents"> 28<link href="SECTIONS.html#SECTIONS" rel="up" title="SECTIONS"> 29<link href="Input-Section-Basics.html#Input-Section-Basics" rel="next" title="Input Section Basics"> 30<link href="Output-Section-Address.html#Output-Section-Address" rel="previous" title="Output Section Address"> 31<style type="text/css"> 32<!-- 33a.summary-letter {text-decoration: none} 34blockquote.smallquotation {font-size: smaller} 35div.display {margin-left: 3.2em} 36div.example {margin-left: 3.2em} 37div.indentedblock {margin-left: 3.2em} 38div.lisp {margin-left: 3.2em} 39div.smalldisplay {margin-left: 3.2em} 40div.smallexample {margin-left: 3.2em} 41div.smallindentedblock {margin-left: 3.2em; font-size: smaller} 42div.smalllisp {margin-left: 3.2em} 43kbd {font-style:oblique} 44pre.display {font-family: inherit} 45pre.format {font-family: inherit} 46pre.menu-comment {font-family: serif} 47pre.menu-preformatted {font-family: serif} 48pre.smalldisplay {font-family: inherit; font-size: smaller} 49pre.smallexample {font-size: smaller} 50pre.smallformat {font-family: inherit; font-size: smaller} 51pre.smalllisp {font-size: smaller} 52span.nocodebreak {white-space:nowrap} 53span.nolinebreak {white-space:nowrap} 54span.roman {font-family:serif; font-weight:normal} 55span.sansserif {font-family:sans-serif; font-weight:normal} 56ul.no-bullet {list-style: none} 57--> 58</style> 59 60 61</head> 62 63<body lang="en" bgcolor="#FFFFFF" text="#000000" link="#0000FF" vlink="#800080" alink="#FF0000"> 64<a name="Input-Section"></a> 65<div class="header"> 66<p> 67Next: <a href="Output-Section-Data.html#Output-Section-Data" accesskey="n" rel="next">Output Section Data</a>, Previous: <a href="Output-Section-Address.html#Output-Section-Address" accesskey="p" rel="previous">Output Section Address</a>, Up: <a href="SECTIONS.html#SECTIONS" accesskey="u" rel="up">SECTIONS</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="LD-Index.html#LD-Index" title="Index" rel="index">Index</a>]</p> 68</div> 69<hr> 70<a name="Input-Section-Description"></a> 71<h4 class="subsection">3.6.4 Input Section Description</h4> 72<a name="index-input-sections"></a> 73<a name="index-mapping-input-sections-to-output-sections"></a> 74<p>The most common output section command is an input section description. 75</p> 76<p>The input section description is the most basic linker script operation. 77You use output sections to tell the linker how to lay out your program 78in memory. You use input section descriptions to tell the linker how to 79map the input files into your memory layout. 80</p> 81<table class="menu" border="0" cellspacing="0"> 82<tr><td align="left" valign="top">• <a href="Input-Section-Basics.html#Input-Section-Basics" accesskey="1">Input Section Basics</a>:</td><td> </td><td align="left" valign="top">Input section basics 83</td></tr> 84<tr><td align="left" valign="top">• <a href="Input-Section-Wildcards.html#Input-Section-Wildcards" accesskey="2">Input Section Wildcards</a>:</td><td> </td><td align="left" valign="top">Input section wildcard patterns 85</td></tr> 86<tr><td align="left" valign="top">• <a href="Input-Section-Common.html#Input-Section-Common" accesskey="3">Input Section Common</a>:</td><td> </td><td align="left" valign="top">Input section for common symbols 87</td></tr> 88<tr><td align="left" valign="top">• <a href="Input-Section-Keep.html#Input-Section-Keep" accesskey="4">Input Section Keep</a>:</td><td> </td><td align="left" valign="top">Input section and garbage collection 89</td></tr> 90<tr><td align="left" valign="top">• <a href="Input-Section-Example.html#Input-Section-Example" accesskey="5">Input Section Example</a>:</td><td> </td><td align="left" valign="top">Input section example 91</td></tr> 92</table> 93 94 95 96 97</body> 98</html> 99