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71 lines
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HTML
71 lines
3.0 KiB
HTML
4 years ago
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<title>SH64 Directives - Using as</title>
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<meta name="description" content="Using as">
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<link title="Top" rel="start" href="index.html#Top">
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<link rel="up" href="SH64_002dDependent.html#SH64_002dDependent" title="SH64-Dependent">
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<link rel="prev" href="SH64-Syntax.html#SH64-Syntax" title="SH64 Syntax">
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<link rel="next" href="SH64-Opcodes.html#SH64-Opcodes" title="SH64 Opcodes">
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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) 1991-2015 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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section entitled ``GNU Free Documentation License''.
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</head>
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<body>
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<div class="node">
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<a name="SH64-Directives"></a>
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<p>
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Next: <a rel="next" accesskey="n" href="SH64-Opcodes.html#SH64-Opcodes">SH64 Opcodes</a>,
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Previous: <a rel="previous" accesskey="p" href="SH64-Syntax.html#SH64-Syntax">SH64 Syntax</a>,
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Up: <a rel="up" accesskey="u" href="SH64_002dDependent.html#SH64_002dDependent">SH64-Dependent</a>
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<hr>
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</div>
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<h4 class="subsection">9.41.3 SH64 Machine Directives</h4>
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<p>In addition to the SH directives, the SH64 provides the following
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directives:
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<p><a name="index-SH64-machine-directives-1980"></a><a name="index-machine-directives_002c-SH64-1981"></a>
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<dl>
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<dt><code>.mode [shmedia|shcompact]</code><dt><code>.isa [shmedia|shcompact]</code><dd>Specify the ISA for the following instructions (the two directives are
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equivalent). Note that programs such as <code>objdump</code> rely on symbolic
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labels to determine when such mode switches occur (by checking the least
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significant bit of the label's address), so such mode/isa changes should
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always be followed by a label (in practice, this is true anyway). Note
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that you cannot use these directives if you didn't specify an ISA on the
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command line.
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<br><dt><code>.abi [32|64]</code><dd>Specify the ABI for the following instructions. Note that you cannot use
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this directive unless you specified an ABI on the command line, and the
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ABIs specified must match.
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</dl>
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</body></html>
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