<html lang="en"> <head> <title>COFF Symbols - Using as</title> <meta http-equiv="Content-Type" content="text/html"> <meta name="description" content="Using as"> <meta name="generator" content="makeinfo 4.7"> <link title="Top" rel="start" href="index.html#Top"> <link rel="up" href="Symbol-Attributes.html#Symbol-Attributes" title="Symbol Attributes"> <link rel="prev" href="a_002eout-Symbols.html#a_002eout-Symbols" title="a.out Symbols"> <link rel="next" href="SOM-Symbols.html#SOM-Symbols" title="SOM Symbols"> <link href="http://www.gnu.org/software/texinfo/" rel="generator-home" title="Texinfo Homepage"> <!-- This file documents the GNU Assembler "as". Copyright (C) 1991, 92, 93, 94, 95, 96, 97, 98, 99, 2000, 2001, 2002, 2006, 2007 Free Software Foundation, Inc. Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.1 or any later version published by the Free Software Foundation; with no Invariant Sections, with no Front-Cover Texts, and with no Back-Cover Texts. A copy of the license is included in the section entitled ``GNU Free Documentation License''. man end--> <meta http-equiv="Content-Style-Type" content="text/css"> <style type="text/css"><!-- pre.display { font-family:inherit } pre.format { font-family:inherit } pre.smalldisplay { font-family:inherit; font-size:smaller } pre.smallformat { font-family:inherit; font-size:smaller } pre.smallexample { font-size:smaller } pre.smalllisp { font-size:smaller } span.sc { font-variant:small-caps } span.roman { font-family: serif; font-weight: normal; } --></style> </head> <body> <div class="node"> <p> <a name="COFF-Symbols"></a>Next: <a rel="next" accesskey="n" href="SOM-Symbols.html#SOM-Symbols">SOM Symbols</a>, Previous: <a rel="previous" accesskey="p" href="a_002eout-Symbols.html#a_002eout-Symbols">a.out Symbols</a>, Up: <a rel="up" accesskey="u" href="Symbol-Attributes.html#Symbol-Attributes">Symbol Attributes</a> <hr><br> </div> <h4 class="subsection">5.5.4 Symbol Attributes for COFF</h4> <p><a name="index-COFF-symbol-attributes-235"></a><a name="index-symbol-attributes_002c-COFF-236"></a> The COFF format supports a multitude of auxiliary symbol attributes; like the primary symbol attributes, they are set between <code>.def</code> and <code>.endef</code> directives. <h5 class="subsubsection">5.5.4.1 Primary Attributes</h5> <p><a name="index-primary-attributes_002c-COFF-symbols-237"></a>The symbol name is set with <code>.def</code>; the value and type, respectively, with <code>.val</code> and <code>.type</code>. <h5 class="subsubsection">5.5.4.2 Auxiliary Attributes</h5> <p><a name="index-auxiliary-attributes_002c-COFF-symbols-238"></a>The <span class="command">as</span> directives <code>.dim</code>, <code>.line</code>, <code>.scl</code>, <code>.size</code>, <code>.tag</code>, and <code>.weak</code> can generate auxiliary symbol table information for COFF. </body></html>