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126 lines
4.8 KiB
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<!-- This file documents the GNU Assembler "as".
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Copyright (C) 1991-2019 Free Software Foundation, Inc.
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Permission is granted to copy, distribute and/or modify this document
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<title>Nios II Options (Using as)</title>
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<link href="index.html#Top" rel="start" title="Top">
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<link href="AS-Index.html#AS-Index" rel="index" title="AS Index">
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<link href="index.html#SEC_Contents" rel="contents" title="Table of Contents">
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<link href="NiosII_002dDependent.html#NiosII_002dDependent" rel="up" title="NiosII-Dependent">
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<link href="Nios-II-Syntax.html#Nios-II-Syntax" rel="next" title="Nios II Syntax">
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<a name="Nios-II-Options"></a>
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<div class="header">
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<p>
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Next: <a href="Nios-II-Syntax.html#Nios-II-Syntax" accesskey="n" rel="next">Nios II Syntax</a>, Up: <a href="NiosII_002dDependent.html#NiosII_002dDependent" accesskey="u" rel="up">NiosII-Dependent</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="AS-Index.html#AS-Index" title="Index" rel="index">Index</a>]</p>
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</div>
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<hr>
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<a name="Options-15"></a>
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<h4 class="subsection">9.30.1 Options</h4>
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<a name="index-Nios-II-options"></a>
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<a name="index-options-for-Nios-II"></a>
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<dl compact="compact">
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<dd>
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<a name="index-relax_002dsection-command_002dline-option_002c-Nios-II"></a>
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</dd>
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<dt><code>-relax-section</code></dt>
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<dd><p>Replace identified out-of-range branches with PC-relative <code>jmp</code>
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sequences when possible. The generated code sequences are suitable
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for use in position-independent code, but there is a practical limit
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on the extended branch range because of the length of the sequences.
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This option is the default.
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</p>
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<a name="index-relax_002dall-command_002dline-option_002c-Nios-II"></a>
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</dd>
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<dt><code>-relax-all</code></dt>
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<dd><p>Replace branch instructions not determinable to be in range
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and all call instructions with <code>jmp</code> and <code>callr</code> sequences
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(respectively). This option generates absolute relocations against the
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target symbols and is not appropriate for position-independent code.
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</p>
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<a name="index-no_002drelax-command_002dline-option_002c-Nios-II"></a>
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</dd>
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<dt><code>-no-relax</code></dt>
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<dd><p>Do not replace any branches or calls.
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</p>
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<a name="index-EB-command_002dline-option_002c-Nios-II"></a>
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</dd>
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<dt><code>-EB</code></dt>
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<dd><p>Generate big-endian output.
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</p>
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<a name="index-EL-command_002dline-option_002c-Nios-II"></a>
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</dd>
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<dt><code>-EL</code></dt>
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<dd><p>Generate little-endian output. This is the default.
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</p>
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<a name="index-march-command_002dline-option_002c-Nios-II"></a>
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</dd>
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<dt><code>-march=<var>architecture</var></code></dt>
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<dd><p>This option specifies the target architecture. The assembler issues
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an error message if an attempt is made to assemble an instruction which
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will not execute on the target architecture. The following architecture
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names are recognized:
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<code>r1</code>,
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<code>r2</code>.
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The default is <code>r1</code>.
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</p>
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</dd>
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</dl>
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</body>
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</html>
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