59 lines
2.6 KiB
HTML
59 lines
2.6 KiB
HTML
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<html lang="en">
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<head>
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<title>Desc - Using as</title>
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<meta http-equiv="Content-Type" content="text/html">
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<meta name="description" content="Using as">
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<meta name="generator" content="makeinfo 4.7">
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<link title="Top" rel="start" href="index.html#Top">
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<link rel="up" href="Pseudo-Ops.html#Pseudo-Ops" title="Pseudo Ops">
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<link rel="prev" href="Def.html#Def" title="Def">
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<link rel="next" href="Dim.html#Dim" title="Dim">
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<link href="http://www.gnu.org/software/texinfo/" rel="generator-home" title="Texinfo Homepage">
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<!--
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This file documents the GNU Assembler "as".
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Copyright (C) 1991, 92, 93, 94, 95, 96, 97, 98, 99, 2000, 2001, 2002,
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2006, 2007 Free Software Foundation, Inc.
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Permission is granted to copy, distribute and/or modify this document
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under the terms of the GNU Free Documentation License, Version 1.1
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or any later version published by the Free Software Foundation;
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with no Invariant Sections, with no Front-Cover Texts, and with no
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Back-Cover Texts. A copy of the license is included in the
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section entitled ``GNU Free Documentation License''.
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man end-->
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<meta http-equiv="Content-Style-Type" content="text/css">
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<style type="text/css"><!--
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pre.display { font-family:inherit }
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pre.format { font-family:inherit }
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pre.smalldisplay { font-family:inherit; font-size:smaller }
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pre.smallformat { font-family:inherit; font-size:smaller }
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pre.smallexample { font-size:smaller }
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pre.smalllisp { font-size:smaller }
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span.sc { font-variant:small-caps }
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span.roman { font-family: serif; font-weight: normal; }
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--></style>
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</head>
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<body>
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<div class="node">
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<p>
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<a name="Desc"></a>Next: <a rel="next" accesskey="n" href="Dim.html#Dim">Dim</a>,
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Previous: <a rel="previous" accesskey="p" href="Def.html#Def">Def</a>,
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Up: <a rel="up" accesskey="u" href="Pseudo-Ops.html#Pseudo-Ops">Pseudo Ops</a>
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<hr><br>
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</div>
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<h3 class="section">7.34 <code>.desc </code><var>symbol</var><code>, </code><var>abs-expression</var></h3>
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<p><a name="index-_0040code_007bdesc_007d-directive-299"></a><a name="index-COFF-symbol-descriptor-300"></a><a name="index-symbol-descriptor_002c-COFF-301"></a>This directive sets the descriptor of the symbol (see <a href="Symbol-Attributes.html#Symbol-Attributes">Symbol Attributes</a>)
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to the low 16 bits of an absolute expression.
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<p>The <span class="samp">.desc</span> directive is not available when <span class="command">as</span> is
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configured for COFF output; it is only for <code>a.out</code> or <code>b.out</code>
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object format. For the sake of compatibility, <span class="command">as</span> accepts
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it, but produces no output, when configured for COFF.
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</body></html>
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