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  1. <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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  3. <!-- This file documents the GNU linker LD
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  16. <title>NDS32 (LD)</title>
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  57. <a name="NDS32"></a>
  58. <div class="header">
  59. <p>
  60. 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> &nbsp; [<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>
  61. </div>
  62. <hr>
  63. <a name="ld-and-NDS32"></a>
  64. <h3 class="section">4.9 <code>ld</code> and NDS32</h3>
  65. <a name="index-relaxing-on-NDS32"></a>
  66. <p>For NDS32, there are some options to select relaxation behavior. The linker
  67. relaxes objects according to these options.
  68. </p>
  69. <dl compact="compact">
  70. <dt><code>&lsquo;<samp>--m[no-]fp-as-gp</samp>&rsquo;</code></dt>
  71. <dd><p>Disable/enable fp-as-gp relaxation.
  72. </p>
  73. </dd>
  74. <dt><code>&lsquo;<samp>--mexport-symbols=FILE</samp>&rsquo;</code></dt>
  75. <dd><p>Exporting symbols and their address into FILE as linker script.
  76. </p>
  77. </dd>
  78. <dt><code>&lsquo;<samp>--m[no-]ex9</samp>&rsquo;</code></dt>
  79. <dd><p>Disable/enable link-time EX9 relaxation.
  80. </p>
  81. </dd>
  82. <dt><code>&lsquo;<samp>--mexport-ex9=FILE</samp>&rsquo;</code></dt>
  83. <dd><p>Export the EX9 table after linking.
  84. </p>
  85. </dd>
  86. <dt><code>&lsquo;<samp>--mimport-ex9=FILE</samp>&rsquo;</code></dt>
  87. <dd><p>Import the Ex9 table for EX9 relaxation.
  88. </p>
  89. </dd>
  90. <dt><code>&lsquo;<samp>--mupdate-ex9</samp>&rsquo;</code></dt>
  91. <dd><p>Update the existing EX9 table.
  92. </p>
  93. </dd>
  94. <dt><code>&lsquo;<samp>--mex9-limit=NUM</samp>&rsquo;</code></dt>
  95. <dd><p>Maximum number of entries in the ex9 table.
  96. </p>
  97. </dd>
  98. <dt><code>&lsquo;<samp>--mex9-loop-aware</samp>&rsquo;</code></dt>
  99. <dd><p>Avoid generating the EX9 instruction inside the loop.
  100. </p>
  101. </dd>
  102. <dt><code>&lsquo;<samp>--m[no-]ifc</samp>&rsquo;</code></dt>
  103. <dd><p>Disable/enable the link-time IFC optimization.
  104. </p>
  105. </dd>
  106. <dt><code>&lsquo;<samp>--mifc-loop-aware</samp>&rsquo;</code></dt>
  107. <dd><p>Avoid generating the IFC instruction inside the loop.
  108. </p></dd>
  109. </dl>
  110. </body>
  111. </html>