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106 lines
4.5 KiB
HTML
106 lines
4.5 KiB
HTML
4 years ago
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<!-- Copyright (C) 1988-2018 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 or
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any later version published by the Free Software Foundation; with the
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Invariant Sections being "Funding Free Software", the Front-Cover
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Texts being (a) (see below), and with the Back-Cover Texts being (b)
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(see below). A copy of the license is included in the section entitled
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"GNU Free Documentation License".
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(a) The FSF's Front-Cover Text is:
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A GNU Manual
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(b) The FSF's Back-Cover Text is:
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You have freedom to copy and modify this GNU Manual, like GNU
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software. Copies published by the Free Software Foundation raise
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funds for GNU development. -->
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<!-- Created by GNU Texinfo 6.4, http://www.gnu.org/software/texinfo/ -->
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<head>
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<title>Plugins loading (GNU Compiler Collection (GCC) Internals)</title>
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<meta name="description" content="Plugins loading (GNU Compiler Collection (GCC) Internals)">
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<meta name="keywords" content="Plugins loading (GNU Compiler Collection (GCC) Internals)">
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<meta name="resource-type" content="document">
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<meta name="distribution" content="global">
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<meta name="Generator" content="makeinfo">
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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<link href="index.html#Top" rel="start" title="Top">
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<link href="Option-Index.html#Option-Index" rel="index" title="Option Index">
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<link href="index.html#SEC_Contents" rel="contents" title="Table of Contents">
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<link href="Plugins.html#Plugins" rel="up" title="Plugins">
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<link href="Plugin-API.html#Plugin-API" rel="next" title="Plugin API">
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<link href="Plugins.html#Plugins" rel="prev" title="Plugins">
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<style type="text/css">
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<!--
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a.summary-letter {text-decoration: none}
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blockquote.indentedblock {margin-right: 0em}
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blockquote.smallindentedblock {margin-right: 0em; font-size: smaller}
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blockquote.smallquotation {font-size: smaller}
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div.display {margin-left: 3.2em}
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div.example {margin-left: 3.2em}
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div.lisp {margin-left: 3.2em}
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div.smalldisplay {margin-left: 3.2em}
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div.smallexample {margin-left: 3.2em}
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div.smalllisp {margin-left: 3.2em}
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kbd {font-style: oblique}
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pre.display {font-family: inherit}
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pre.format {font-family: inherit}
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pre.menu-comment {font-family: serif}
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pre.menu-preformatted {font-family: serif}
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pre.smalldisplay {font-family: inherit; font-size: smaller}
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pre.smallexample {font-size: smaller}
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pre.smallformat {font-family: inherit; font-size: smaller}
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pre.smalllisp {font-size: smaller}
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span.nolinebreak {white-space: nowrap}
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span.roman {font-family: initial; font-weight: normal}
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span.sansserif {font-family: sans-serif; font-weight: normal}
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ul.no-bullet {list-style: none}
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-->
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</style>
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</head>
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<body lang="en">
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<a name="Plugins-loading"></a>
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<div class="header">
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<p>
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Next: <a href="Plugin-API.html#Plugin-API" accesskey="n" rel="next">Plugin API</a>, Up: <a href="Plugins.html#Plugins" accesskey="u" rel="up">Plugins</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Option-Index.html#Option-Index" title="Index" rel="index">Index</a>]</p>
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</div>
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<hr>
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<a name="Loading-Plugins"></a>
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<h3 class="section">24.1 Loading Plugins</h3>
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<p>Plugins are supported on platforms that support <samp>-ldl
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-rdynamic</samp> as well as Windows/MinGW. They are loaded by the compiler
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using <code>dlopen</code> or equivalent and invoked at pre-determined
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locations in the compilation process.
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</p>
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<p>Plugins are loaded with
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</p>
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<p><samp>-fplugin=/path/to/<var>name</var>.<var>ext</var></samp> <samp>-fplugin-arg-<var>name</var>-<var>key1</var>[=<var>value1</var>]</samp>
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</p>
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<p>Where <var>name</var> is the plugin name and <var>ext</var> is the platform-specific
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dynamic library extension. It should be <code>dll</code> on Windows/MinGW,
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<code>dylib</code> on Darwin/Mac OS X, and <code>so</code> on all other platforms.
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The plugin arguments are parsed by GCC and passed to respective
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plugins as key-value pairs. Multiple plugins can be invoked by
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specifying multiple <samp>-fplugin</samp> arguments.
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</p>
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<p>A plugin can be simply given by its short name (no dots or
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slashes). When simply passing <samp>-fplugin=<var>name</var></samp>, the plugin is
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loaded from the <samp>plugin</samp> directory, so <samp>-fplugin=<var>name</var></samp> is
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the same as <samp>-fplugin=`gcc -print-file-name=plugin`/<var>name</var>.<var>ext</var></samp>,
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using backquote shell syntax to query the <samp>plugin</samp> directory.
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</p>
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</body>
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</html>
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