1<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> 2<html> 3<!-- This file documents the GNU linker LD 4(GNU Toolchain for the A-profile Architecture 10.3-2021.07 (arm-10.29)) 5version 2.36.1. 6 7Copyright (C) 1991-2021 Free Software Foundation, Inc. 8 9Permission is granted to copy, distribute and/or modify this document 10under the terms of the GNU Free Documentation License, Version 1.3 11or any later version published by the Free Software Foundation; 12with no Invariant Sections, with no Front-Cover Texts, and with no 13Back-Cover Texts. A copy of the license is included in the 14section entitled "GNU Free Documentation License". --> 15<!-- Created by GNU Texinfo 5.1, http://www.gnu.org/software/texinfo/ --> 16<head> 17<title>LD: NDS32</title> 18 19<meta name="description" content="LD: NDS32"> 20<meta name="keywords" content="LD: NDS32"> 21<meta name="resource-type" content="document"> 22<meta name="distribution" content="global"> 23<meta name="Generator" content="makeinfo"> 24<meta http-equiv="Content-Type" content="text/html; charset=utf-8"> 25<link href="index.html#Top" rel="start" title="Top"> 26<link href="LD-Index.html#LD-Index" rel="index" title="LD Index"> 27<link href="index.html#SEC_Contents" rel="contents" title="Table of Contents"> 28<link href="Machine-Dependent.html#Machine-Dependent" rel="up" title="Machine Dependent"> 29<link href="Nios-II.html#Nios-II" rel="next" title="Nios II"> 30<link href="MSP430.html#MSP430" rel="previous" title="MSP430"> 31<style type="text/css"> 32<!-- 33a.summary-letter {text-decoration: none} 34blockquote.smallquotation {font-size: smaller} 35div.display {margin-left: 3.2em} 36div.example {margin-left: 3.2em} 37div.indentedblock {margin-left: 3.2em} 38div.lisp {margin-left: 3.2em} 39div.smalldisplay {margin-left: 3.2em} 40div.smallexample {margin-left: 3.2em} 41div.smallindentedblock {margin-left: 3.2em; font-size: smaller} 42div.smalllisp {margin-left: 3.2em} 43kbd {font-style:oblique} 44pre.display {font-family: inherit} 45pre.format {font-family: inherit} 46pre.menu-comment {font-family: serif} 47pre.menu-preformatted {font-family: serif} 48pre.smalldisplay {font-family: inherit; font-size: smaller} 49pre.smallexample {font-size: smaller} 50pre.smallformat {font-family: inherit; font-size: smaller} 51pre.smalllisp {font-size: smaller} 52span.nocodebreak {white-space:nowrap} 53span.nolinebreak {white-space:nowrap} 54span.roman {font-family:serif; font-weight:normal} 55span.sansserif {font-family:sans-serif; font-weight:normal} 56ul.no-bullet {list-style: none} 57--> 58</style> 59 60 61</head> 62 63<body lang="en" bgcolor="#FFFFFF" text="#000000" link="#0000FF" vlink="#800080" alink="#FF0000"> 64<a name="NDS32"></a> 65<div class="header"> 66<p> 67Next: <a href="Nios-II.html#Nios-II" accesskey="n" rel="next">Nios II</a>, Previous: <a href="MSP430.html#MSP430" accesskey="p" rel="previous">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> 68</div> 69<hr> 70<a name="ld-and-NDS32"></a> 71<h3 class="section">5.9 <code>ld</code> and NDS32</h3> 72<a name="index-relaxing-on-NDS32"></a> 73<p>For NDS32, there are some options to select relaxation behavior. The linker 74relaxes objects according to these options. 75</p> 76<dl compact="compact"> 77<dt><code>‘<samp>--m[no-]fp-as-gp</samp>’</code></dt> 78<dd><p>Disable/enable fp-as-gp relaxation. 79</p> 80</dd> 81<dt><code>‘<samp>--mexport-symbols=FILE</samp>’</code></dt> 82<dd><p>Exporting symbols and their address into FILE as linker script. 83</p> 84</dd> 85<dt><code>‘<samp>--m[no-]ex9</samp>’</code></dt> 86<dd><p>Disable/enable link-time EX9 relaxation. 87</p> 88</dd> 89<dt><code>‘<samp>--mexport-ex9=FILE</samp>’</code></dt> 90<dd><p>Export the EX9 table after linking. 91</p> 92</dd> 93<dt><code>‘<samp>--mimport-ex9=FILE</samp>’</code></dt> 94<dd><p>Import the Ex9 table for EX9 relaxation. 95</p> 96</dd> 97<dt><code>‘<samp>--mupdate-ex9</samp>’</code></dt> 98<dd><p>Update the existing EX9 table. 99</p> 100</dd> 101<dt><code>‘<samp>--mex9-limit=NUM</samp>’</code></dt> 102<dd><p>Maximum number of entries in the ex9 table. 103</p> 104</dd> 105<dt><code>‘<samp>--mex9-loop-aware</samp>’</code></dt> 106<dd><p>Avoid generating the EX9 instruction inside the loop. 107</p> 108</dd> 109<dt><code>‘<samp>--m[no-]ifc</samp>’</code></dt> 110<dd><p>Disable/enable the link-time IFC optimization. 111</p> 112</dd> 113<dt><code>‘<samp>--mifc-loop-aware</samp>’</code></dt> 114<dd><p>Avoid generating the IFC instruction inside the loop. 115</p></dd> 116</dl> 117 118 119 120 121 122 123</body> 124</html> 125