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60 lines
2.6 KiB
HTML
60 lines
2.6 KiB
HTML
<html lang="en">
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<title>Desc - Using as</title>
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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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<!--
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This file documents the GNU Assembler "as".
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Copyright (C) 1991-2015 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 1.3
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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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<body>
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<div class="node">
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<a name="Desc"></a>
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<p>
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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>
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</div>
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<h3 class="section">7.14 <code>.desc </code><var>symbol</var><code>, </code><var>abs-expression</var></h3>
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<p><a name="index-g_t_0040code_007bdesc_007d-directive-311"></a><a name="index-COFF-symbol-descriptor-312"></a><a name="index-symbol-descriptor_002c-COFF-313"></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 ‘<samp><span class="samp">.desc</span></samp>’ directive is not available when <samp><span class="command">as</span></samp> 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, <samp><span class="command">as</span></samp> accepts
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it, but produces no output, when configured for COFF.
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</body></html>
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