1<html lang="en"> 2<head> 3<title>Symbols - Using as</title> 4<meta http-equiv="Content-Type" content="text/html"> 5<meta name="description" content="Using as"> 6<meta name="generator" content="makeinfo 4.13"> 7<link title="Top" rel="start" href="index.html#Top"> 8<link rel="prev" href="Sections.html#Sections" title="Sections"> 9<link rel="next" href="Expressions.html#Expressions" title="Expressions"> 10<link href="http://www.gnu.org/software/texinfo/" rel="generator-home" title="Texinfo Homepage"> 11<!-- 12This file documents the GNU Assembler "as". 13 14Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 152000, 2001, 2002, 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation, 16Inc. 17 18Permission is granted to copy, distribute and/or modify this document 19under the terms of the GNU Free Documentation License, Version 1.3 20or any later version published by the Free Software Foundation; 21with no Invariant Sections, with no Front-Cover Texts, and with no 22Back-Cover Texts. A copy of the license is included in the 23section entitled ``GNU Free Documentation License''. 24 25--> 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="Symbols"></a> 43<p> 44Next: <a rel="next" accesskey="n" href="Expressions.html#Expressions">Expressions</a>, 45Previous: <a rel="previous" accesskey="p" href="Sections.html#Sections">Sections</a>, 46Up: <a rel="up" accesskey="u" href="index.html#Top">Top</a> 47<hr> 48</div> 49 50<h2 class="chapter">5 Symbols</h2> 51 52<p><a name="index-symbols-208"></a>Symbols are a central concept: the programmer uses symbols to name 53things, the linker uses symbols to link, and the debugger uses symbols 54to debug. 55 56 <blockquote> 57<a name="index-debuggers_002c-and-symbol-order-209"></a><em>Warning:</em> <samp><span class="command">as</span></samp> does not place symbols in the object file in 58the same order they were declared. This may break some debuggers. 59</blockquote> 60 61<ul class="menu"> 62<li><a accesskey="1" href="Labels.html#Labels">Labels</a>: Labels 63<li><a accesskey="2" href="Setting-Symbols.html#Setting-Symbols">Setting Symbols</a>: Giving Symbols Other Values 64<li><a accesskey="3" href="Symbol-Names.html#Symbol-Names">Symbol Names</a>: Symbol Names 65<li><a accesskey="4" href="Dot.html#Dot">Dot</a>: The Special Dot Symbol 66<li><a accesskey="5" href="Symbol-Attributes.html#Symbol-Attributes">Symbol Attributes</a>: Symbol Attributes 67</ul> 68 69 </body></html> 70 71