<html lang="en"> <head> <title>Line - 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="Pseudo-Ops.html#Pseudo-Ops" title="Pseudo Ops"> <link rel="prev" href="Lflags.html#Lflags" title="Lflags"> <link rel="next" href="Linkonce.html#Linkonce" title="Linkonce"> <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="Line"></a>Next: <a rel="next" accesskey="n" href="Linkonce.html#Linkonce">Linkonce</a>, Previous: <a rel="previous" accesskey="p" href="Lflags.html#Lflags">Lflags</a>, Up: <a rel="up" accesskey="u" href="Pseudo-Ops.html#Pseudo-Ops">Pseudo Ops</a> <hr><br> </div> <h3 class="section">7.70 <code>.line </code><var>line-number</var></h3> <p><a name="index-_0040code_007bline_007d-directive-376"></a><a name="index-logical-line-number-377"></a>Change the logical line number. <var>line-number</var> must be an absolute expression. The next line has that logical line number. Therefore any other statements on the current line (after a statement separator character) are reported as on logical line number <var>line-number</var> − 1. One day <span class="command">as</span> will no longer support this directive: it is recognized only for compatibility with existing assembler programs. <p>Even though this is a directive associated with the <code>a.out</code> or <code>b.out</code> object-code formats, <span class="command">as</span> still recognizes it when producing COFF output, and treats <span class="samp">.line</span> as though it were the COFF <span class="samp">.ln</span> <em>if</em> it is found outside a <code>.def</code>/<code>.endef</code> pair. <p>Inside a <code>.def</code>, <span class="samp">.line</span> is, instead, one of the directives used by compilers to generate auxiliary symbol information for debugging. </body></html>