<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 4.13"> <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) 1991-2015 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 1.3 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''. --> <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; } span.sansserif { font-family:sans-serif; font-weight:normal; } --></style> </head> <body> <div class="node"> <a name="COFF-Symbols"></a> <p> 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> </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 <samp><span class="command">as</span></samp> 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>