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124 lines
4.4 KiB
HTML
124 lines
4.4 KiB
HTML
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<!-- This file documents the GNU linker LD
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(SiFive Binutils 2.32.0-2020.04.1)
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version 2.32.
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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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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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<!-- Created by GNU Texinfo 6.4, http://www.gnu.org/software/texinfo/ -->
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<head>
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<title>NDS32 (LD)</title>
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<meta name="description" content="NDS32 (LD)">
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<meta name="keywords" content="NDS32 (LD)">
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<meta name="resource-type" content="document">
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<meta name="distribution" content="global">
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<meta name="Generator" content="makeinfo">
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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<link href="index.html#Top" rel="start" title="Top">
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<link href="LD-Index.html#LD-Index" rel="index" title="LD Index">
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<link href="index.html#SEC_Contents" rel="contents" title="Table of Contents">
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<link href="Machine-Dependent.html#Machine-Dependent" rel="up" title="Machine Dependent">
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<link href="Nios-II.html#Nios-II" rel="next" title="Nios II">
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<link href="MSP430.html#MSP430" rel="prev" title="MSP430">
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<style type="text/css">
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ul.no-bullet {list-style: none}
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-->
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</style>
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</head>
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<body lang="en">
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<a name="NDS32"></a>
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<div class="header">
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<p>
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Next: <a href="Nios-II.html#Nios-II" accesskey="n" rel="next">Nios II</a>, Previous: <a href="MSP430.html#MSP430" accesskey="p" rel="prev">MSP430</a>, Up: <a href="Machine-Dependent.html#Machine-Dependent" accesskey="u" rel="up">Machine Dependent</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="LD-Index.html#LD-Index" title="Index" rel="index">Index</a>]</p>
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</div>
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<hr>
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<a name="ld-and-NDS32"></a>
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<h3 class="section">4.9 <code>ld</code> and NDS32</h3>
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<a name="index-relaxing-on-NDS32"></a>
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<p>For NDS32, there are some options to select relaxation behavior. The linker
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relaxes objects according to these options.
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</p>
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<dl compact="compact">
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<dt><code>‘<samp>--m[no-]fp-as-gp</samp>’</code></dt>
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<dd><p>Disable/enable fp-as-gp relaxation.
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</p>
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</dd>
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<dt><code>‘<samp>--mexport-symbols=FILE</samp>’</code></dt>
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<dd><p>Exporting symbols and their address into FILE as linker script.
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</p>
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</dd>
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<dt><code>‘<samp>--m[no-]ex9</samp>’</code></dt>
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<dd><p>Disable/enable link-time EX9 relaxation.
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</p>
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</dd>
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<dt><code>‘<samp>--mexport-ex9=FILE</samp>’</code></dt>
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<dd><p>Export the EX9 table after linking.
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</p>
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</dd>
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<dt><code>‘<samp>--mimport-ex9=FILE</samp>’</code></dt>
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<dd><p>Import the Ex9 table for EX9 relaxation.
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</p>
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</dd>
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<dt><code>‘<samp>--mupdate-ex9</samp>’</code></dt>
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<dd><p>Update the existing EX9 table.
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</p>
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</dd>
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<dt><code>‘<samp>--mex9-limit=NUM</samp>’</code></dt>
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<dd><p>Maximum number of entries in the ex9 table.
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</p>
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</dd>
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<dt><code>‘<samp>--mex9-loop-aware</samp>’</code></dt>
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<dd><p>Avoid generating the EX9 instruction inside the loop.
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</p>
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</dd>
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<dt><code>‘<samp>--m[no-]ifc</samp>’</code></dt>
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<dd><p>Disable/enable the link-time IFC optimization.
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</p>
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</dd>
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<dt><code>‘<samp>--mifc-loop-aware</samp>’</code></dt>
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<dd><p>Avoid generating the IFC instruction inside the loop.
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</p></dd>
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</dl>
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</body>
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</html>
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