blob: 4ebd11eb462943a87b2b1e423da0d43b67d37210 [file] [log] [blame]
<html lang="en">
<head>
<title>MicroBlaze Directives - 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="MicroBlaze_002dDependent.html#MicroBlaze_002dDependent" title="MicroBlaze-Dependent">
<link href="http://www.gnu.org/software/texinfo/" rel="generator-home" title="Texinfo Homepage">
<!--
This file documents the GNU Assembler "as".
Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
2000, 2001, 2002, 2006, 2007, 2008, 2009, 2010 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>
<link rel="stylesheet" type="text/css" href="../cs.css">
</head>
<body>
<div class="node">
<a name="MicroBlaze-Directives"></a>
<p>
Up:&nbsp;<a rel="up" accesskey="u" href="MicroBlaze_002dDependent.html#MicroBlaze_002dDependent">MicroBlaze-Dependent</a>
<hr>
</div>
<h4 class="subsection">9.23.1 Directives</h4>
<p><a name="index-MicroBlaze-directives-1250"></a>A number of assembler directives are available for MicroBlaze.
<dl>
<dt><code>.data8 </code><var>expression</var><code>,...</code><dd>This directive is an alias for <code>.byte</code>. Each expression is assembled
into an eight-bit value.
<br><dt><code>.data16 </code><var>expression</var><code>,...</code><dd>This directive is an alias for <code>.hword</code>. Each expression is assembled
into an 16-bit value.
<br><dt><code>.data32 </code><var>expression</var><code>,...</code><dd>This directive is an alias for <code>.word</code>. Each expression is assembled
into an 32-bit value.
<br><dt><code>.ent </code><var>name</var><code>[,</code><var>label</var><code>]</code><dd>This directive is an alias for <code>.func</code> denoting the start of function
<var>name</var> at (optional) <var>label</var>.
<br><dt><code>.end </code><var>name</var><code>[,</code><var>label</var><code>]</code><dd>This directive is an alias for <code>.endfunc</code> denoting the end of function
<var>name</var>.
<br><dt><code>.gpword </code><var>label</var><code>,...</code><dd>This directive is an alias for <code>.rva</code>. The resolved address of <var>label</var>
is stored in the data section.
<br><dt><code>.weakext </code><var>label</var><dd>Declare that <var>label</var> is a weak external symbol.
<br><dt><code>.rodata</code><dd>Switch to .rodata section. Equivalent to <code>.section .rodata</code>
<br><dt><code>.sdata2</code><dd>Switch to .sdata2 section. Equivalent to <code>.section .sdata2</code>
<br><dt><code>.sdata</code><dd>Switch to .sdata section. Equivalent to <code>.section .sdata</code>
<br><dt><code>.bss</code><dd>Switch to .bss section. Equivalent to <code>.section .bss</code>
<br><dt><code>.sbss</code><dd>Switch to .sbss section. Equivalent to <code>.section .sbss</code>
</dl>
<!-- Copyright 1991, 1992, 1993, 1994, 1995, 1997, 1999, 2000, 2001, -->
<!-- 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 -->
<!-- Free Software Foundation, Inc. -->
<!-- This is part of the GAS manual. -->
<!-- For copying conditions, see the file as.texinfo. -->
</body></html>