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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN"><html><head><link rel="STYLESHEET" type="text/css" href="wrs.css"><title>    Object-Module Loader   </title></head><body bgcolor="FFFFFF"><p class="navbar" align="right"><a href="index.html"><img border="0" alt="[Contents]" src="icons/contents.gif"></a><a href="c-loader.html"><img border="0" alt="[Index]" src="icons/index.gif"></a><a href="c-loader.html"><img border="0" alt="[Top]" src="icons/top.gif"></a><a href="c-loader.html"><img border="0" alt="[Prev]" src="icons/prev.gif"></a><a href="c-loader2.html"><img border="0" alt="[Next]" src="icons/next.gif"></a></p><font face="Helvetica, sans-serif" class="sans"><h3 class="H2"><i><a name="84386">3.1  &nbsp;&nbsp;Introduction</a></i></h3></font><dl class="margin"><dl class="margin"><dd><p class="Body"><a name="84388"> </a>The object-module loader is the component of the target server that inserts application modules into a remote target system while the target image is running. Loading and unloading object modules dynamically is a key service provided by the target server. The target server provides this and other services commonly required by the Tornado tools in addition to acting as a broker for the communication path to the target.</p><dd><p class="Body"><a name="84389"> </a>You can support additional object-module formats with Tornado by writing a new loader. The following sections provide an overview of loader usage and loader architecture, followed by a discussion (in general terms) of how to develop a reader for a new object-module format.</p><dd><p class="Body"><a name="84390"> </a>For an overview of the target server, the back end, and their components, see <a href="c-overview3.html#84473"><i class="title">1.3&nbsp;The Target Server and the WTX Protocol</i></a> and <a href="c-bkend.html#84379"><i class="title">2.&nbsp;Target Server Back End</i></a>. This chapter provides an overall orientation to object-module loaders; throughout this chapter, refer to the reference entries in <i class="title">Part 2</i> for details.</p></dl></dl><a name="foot"><hr></a><p class="navbar" align="right"><a href="index.html"><img border="0" alt="[Contents]" src="icons/contents.gif"></a><a href="c-loader.html"><img border="0" alt="[Index]" src="icons/index.gif"></a><a href="c-loader.html"><img border="0" alt="[Top]" src="icons/top.gif"></a><a href="c-loader.html"><img border="0" alt="[Prev]" src="icons/prev.gif"></a><a href="c-loader2.html"><img border="0" alt="[Next]" src="icons/next.gif"></a></p></body></html><!---by WRS Documentation (), Wind River Systems, Inc.    conversion tool:  Quadralay WebWorks Publisher 4.0.11    template:         CSS Template, Jan 1998 - Jefro --->
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