<html lang="en"> <head> <title>Object Formats - 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="Overview.html#Overview" title="Overview"> <link rel="prev" href="GNU-Assembler.html#GNU-Assembler" title="GNU Assembler"> <link rel="next" href="Command-Line.html#Command-Line" title="Command Line"> <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="Object-Formats"></a>Next: <a rel="next" accesskey="n" href="Command-Line.html#Command-Line">Command Line</a>, Previous: <a rel="previous" accesskey="p" href="GNU-Assembler.html#GNU-Assembler">GNU Assembler</a>, Up: <a rel="up" accesskey="u" href="Overview.html#Overview">Overview</a> <hr><br> </div> <h3 class="section">1.3 Object File Formats</h3> <p><a name="index-object-file-format-24"></a>The <span class="sc">gnu</span> assembler can be configured to produce several alternative object file formats. For the most part, this does not affect how you write assembly language programs; but directives for debugging symbols are typically different in different file formats. See <a href="Symbol-Attributes.html#Symbol-Attributes">Symbol Attributes</a>. </body></html>