1<html lang="en"> 2<head> 3<title>MSP430 - Untitled</title> 4<meta http-equiv="Content-Type" content="text/html"> 5<meta name="description" content="Untitled"> 6<meta name="generator" content="makeinfo 4.13"> 7<link title="Top" rel="start" href="index.html#Top"> 8<link rel="up" href="Machine-Dependent.html#Machine-Dependent" title="Machine Dependent"> 9<link rel="prev" href="MMIX.html#MMIX" title="MMIX"> 10<link rel="next" href="M68HC11_002f68HC12.html#M68HC11_002f68HC12" title="M68HC11/68HC12"> 11<link href="http://www.gnu.org/software/texinfo/" rel="generator-home" title="Texinfo Homepage"> 12<!-- 13This file documents the GNU linker LD 14(Sourcery CodeBench Lite 2011.09-69) 15version 2.21.53. 16 17Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 182001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc. 19 20Permission is granted to copy, distribute and/or modify this document 21under the terms of the GNU Free Documentation License, Version 1.3 22or any later version published by the Free Software Foundation; 23with no Invariant Sections, with no Front-Cover Texts, and with no 24Back-Cover Texts. A copy of the license is included in the 25section entitled ``GNU Free Documentation License''.--> 26<meta http-equiv="Content-Style-Type" content="text/css"> 27<style type="text/css"><!-- 28 pre.display { font-family:inherit } 29 pre.format { font-family:inherit } 30 pre.smalldisplay { font-family:inherit; font-size:smaller } 31 pre.smallformat { font-family:inherit; font-size:smaller } 32 pre.smallexample { font-size:smaller } 33 pre.smalllisp { font-size:smaller } 34 span.sc { font-variant:small-caps } 35 span.roman { font-family:serif; font-weight:normal; } 36 span.sansserif { font-family:sans-serif; font-weight:normal; } 37--></style> 38<link rel="stylesheet" type="text/css" href="../cs.css"> 39</head> 40<body> 41<div class="node"> 42<a name="MSP430"></a> 43<p> 44Next: <a rel="next" accesskey="n" href="M68HC11_002f68HC12.html#M68HC11_002f68HC12">M68HC11/68HC12</a>, 45Previous: <a rel="previous" accesskey="p" href="MMIX.html#MMIX">MMIX</a>, 46Up: <a rel="up" accesskey="u" href="Machine-Dependent.html#Machine-Dependent">Machine Dependent</a> 47<hr> 48</div> 49 50<h3 class="section">4.9 <code>ld</code> and MSP430</h3> 51 52<p>For the MSP430 it is possible to select the MPU architecture. The flag ‘<samp><span class="samp">-m [mpu type]</span></samp>’ 53will select an appropriate linker script for selected MPU type. (To get a list of known MPUs 54just pass ‘<samp><span class="samp">-m help</span></samp>’ option to the linker). 55 56 <p><a name="index-MSP430-extra-sections-629"></a>The linker will recognize some extra sections which are MSP430 specific: 57 58 <dl> 59<dt><code>‘</code><samp><span class="samp">.vectors</span></samp><code>’</code><dd>Defines a portion of ROM where interrupt vectors located. 60 61 <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 62in this section will be uploaded to the MPU. 63 64 <br><dt><code>‘</code><samp><span class="samp">.infomem</span></samp><code>’</code><dd>Defines an information memory section (if applicable). Any code in 65this section will be uploaded to the MPU. 66 67 <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 68in this section will not be uploaded to the MPU. 69 70 <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. 71 72 <p>The last two sections are used by gcc. 73</dl> 74 75 </body></html> 76 77