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75 lines
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<title>MSP430 - Untitled</title>
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<link rel="up" href="Machine-Dependent.html#Machine-Dependent" title="Machine Dependent">
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<link rel="prev" href="MMIX.html#MMIX" title="MMIX">
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<!--
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This file documents the GNU linker LD
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(GNU Binutils)
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version 2.26.
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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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<a name="MSP430"></a>
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<p>
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Next: <a rel="next" accesskey="n" href="NDS32.html#NDS32">NDS32</a>,
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Previous: <a rel="previous" accesskey="p" href="MMIX.html#MMIX">MMIX</a>,
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Up: <a rel="up" accesskey="u" href="Machine-Dependent.html#Machine-Dependent">Machine Dependent</a>
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</div>
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<h3 class="section">4.9 <code>ld</code> and MSP430</h3>
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<p>For the MSP430 it is possible to select the MPU architecture. The flag ‘<samp><span class="samp">-m [mpu type]</span></samp>’
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will select an appropriate linker script for selected MPU type. (To get a list of known MPUs
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just pass ‘<samp><span class="samp">-m help</span></samp>’ option to the linker).
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<p><a name="index-MSP430-extra-sections-659"></a>The linker will recognize some extra sections which are MSP430 specific:
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<dl>
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<dt><code>‘</code><samp><span class="samp">.vectors</span></samp><code>’</code><dd>Defines a portion of ROM where interrupt vectors located.
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<br><dt><code>‘</code><samp><span class="samp">.bootloader</span></samp><code>’</code><dd>Defines the bootloader portion of the ROM (if applicable). Any code
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in this section will be uploaded to the MPU.
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<br><dt><code>‘</code><samp><span class="samp">.infomem</span></samp><code>’</code><dd>Defines an information memory section (if applicable). Any code in
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this section will be uploaded to the MPU.
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<br><dt><code>‘</code><samp><span class="samp">.infomemnobits</span></samp><code>’</code><dd>This is the same as the ‘<samp><span class="samp">.infomem</span></samp>’ section except that any code
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in this section will not be uploaded to the MPU.
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<br><dt><code>‘</code><samp><span class="samp">.noinit</span></samp><code>’</code><dd>Denotes a portion of RAM located above ‘<samp><span class="samp">.bss</span></samp>’ section.
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<p>The last two sections are used by gcc.
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</dl>
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</body></html>
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