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: Symbolic Constants</title> 18 19<meta name="description" content="LD: Symbolic Constants"> 20<meta name="keywords" content="LD: Symbolic Constants"> 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="Expressions.html#Expressions" rel="up" title="Expressions"> 29<link href="Symbols.html#Symbols" rel="next" title="Symbols"> 30<link href="Constants.html#Constants" rel="previous" title="Constants"> 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="Symbolic-Constants"></a> 65<div class="header"> 66<p> 67Next: <a href="Symbols.html#Symbols" accesskey="n" rel="next">Symbols</a>, Previous: <a href="Constants.html#Constants" accesskey="p" rel="previous">Constants</a>, Up: <a href="Expressions.html#Expressions" accesskey="u" rel="up">Expressions</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="Symbolic-Constants-1"></a> 71<h4 class="subsection">3.10.2 Symbolic Constants</h4> 72<a name="index-symbolic-constants"></a> 73<a name="index-CONSTANT"></a> 74<p>It is possible to refer to target-specific constants via the use of 75the <code>CONSTANT(<var>name</var>)</code> operator, where <var>name</var> is one of: 76</p> 77<dl compact="compact"> 78<dt><code>MAXPAGESIZE</code></dt> 79<dd><a name="index-MAXPAGESIZE"></a> 80<p>The target’s maximum page size. 81</p> 82</dd> 83<dt><code>COMMONPAGESIZE</code></dt> 84<dd><a name="index-COMMONPAGESIZE"></a> 85<p>The target’s default page size. 86</p></dd> 87</dl> 88 89<p>So for example: 90</p> 91<div class="smallexample"> 92<pre class="smallexample"> .text ALIGN (CONSTANT (MAXPAGESIZE)) : { *(.text) } 93</pre></div> 94 95<p>will create a text section aligned to the largest page boundary 96supported by the target. 97</p> 98 99 100 101</body> 102</html> 103