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diff --git a/share/doc/gccint/Troubleshooting.html b/share/doc/gccint/Troubleshooting.html new file mode 100644 index 0000000..974d3f1 --- /dev/null +++ b/share/doc/gccint/Troubleshooting.html @@ -0,0 +1,104 @@ +<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> +<html> +<!-- Copyright (C) 1988-2023 Free Software Foundation, Inc. + +Permission is granted to copy, distribute and/or modify this document +under the terms of the GNU Free Documentation License, Version 1.3 or +any later version published by the Free Software Foundation; with the +Invariant Sections being "Funding Free Software", the Front-Cover +Texts being (a) (see below), and with the Back-Cover Texts being (b) +(see below). A copy of the license is included in the section entitled +"GNU Free Documentation License". + +(a) The FSF's Front-Cover Text is: + +A GNU Manual + +(b) The FSF's Back-Cover Text is: + +You have freedom to copy and modify this GNU Manual, like GNU + software. Copies published by the Free Software Foundation raise + funds for GNU development. --> +<!-- Created by GNU Texinfo 5.1, http://www.gnu.org/software/texinfo/ --> +<head> +<title>GNU Compiler Collection (GCC) Internals: Troubleshooting</title> + +<meta name="description" content="GNU Compiler Collection (GCC) Internals: Troubleshooting"> +<meta name="keywords" content="GNU Compiler Collection (GCC) Internals: Troubleshooting"> +<meta name="resource-type" content="document"> +<meta name="distribution" content="global"> +<meta name="Generator" content="makeinfo"> +<meta http-equiv="Content-Type" content="text/html; charset=utf-8"> +<link href="index.html#Top" rel="start" title="Top"> +<link href="Option-Index.html#Option-Index" rel="index" title="Option Index"> +<link href="index.html#SEC_Contents" rel="contents" title="Table of Contents"> +<link href="Type-Information.html#Type-Information" rel="up" title="Type Information"> +<link href="Plugins.html#Plugins" rel="next" title="Plugins"> +<link href="Invoking-the-garbage-collector.html#Invoking-the-garbage-collector" rel="previous" title="Invoking the garbage collector"> +<style type="text/css"> +<!-- +a.summary-letter {text-decoration: none} +blockquote.smallquotation {font-size: smaller} +div.display {margin-left: 3.2em} +div.example {margin-left: 3.2em} +div.indentedblock {margin-left: 3.2em} +div.lisp {margin-left: 3.2em} +div.smalldisplay {margin-left: 3.2em} +div.smallexample {margin-left: 3.2em} +div.smallindentedblock {margin-left: 3.2em; font-size: smaller} +div.smalllisp {margin-left: 3.2em} +kbd {font-style:oblique} +pre.display {font-family: inherit} +pre.format {font-family: inherit} +pre.menu-comment {font-family: serif} +pre.menu-preformatted {font-family: serif} +pre.smalldisplay {font-family: inherit; font-size: smaller} +pre.smallexample {font-size: smaller} +pre.smallformat {font-family: inherit; font-size: smaller} +pre.smalllisp {font-size: smaller} +span.nocodebreak {white-space:nowrap} +span.nolinebreak {white-space:nowrap} +span.roman {font-family:serif; font-weight:normal} +span.sansserif {font-family:sans-serif; font-weight:normal} +ul.no-bullet {list-style: none} +--> +</style> + + +</head> + +<body lang="en" bgcolor="#FFFFFF" text="#000000" link="#0000FF" vlink="#800080" alink="#FF0000"> +<a name="Troubleshooting"></a> +<div class="header"> +<p> +Previous: <a href="Invoking-the-garbage-collector.html#Invoking-the-garbage-collector" accesskey="p" rel="previous">Invoking the garbage collector</a>, Up: <a href="Type-Information.html#Type-Information" accesskey="u" rel="up">Type Information</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> +</div> +<hr> +<a name="Troubleshooting-the-garbage-collector"></a> +<h3 class="section">23.7 Troubleshooting the garbage collector</h3> +<a name="index-garbage-collector_002c-troubleshooting"></a> + +<p>With the current garbage collector implementation, most issues should +show up as GCC compilation errors. Some of the most commonly +encountered issues are described below. +</p> +<ul> +<li> Gengtype does not produce allocators for a <code>GTY</code>-marked type. +Gengtype checks if there is at least one possible path from GC roots to +at least one instance of each type before outputting allocators. If +there is no such path, the <code>GTY</code> markers will be ignored and no +allocators will be output. Solve this by making sure that there exists +at least one such path. If creating it is unfeasible or raises a “code +smell”, consider if you really must use GC for allocating such type. + +</li><li> Link-time errors about undefined <code>gt_ggc_r_foo_bar</code> and +similarly-named symbols. Check if your <samp>foo_bar</samp> source file has +<code>#include "gt-foo_bar.h"</code> as its very last line. + +</li></ul> + + + + +</body> +</html> |