visus
/
toolchain-gcc-arm-embedded

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<!-- Copyright (C) 1988-2020 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 "Free Software" and "Free Software Needs
Free Documentation", with the Front-Cover Texts being "A GNU Manual,"
and with the Back-Cover Texts as in (a) below.

(a) The FSF's Back-Cover Text is: "You are free to copy and modify
this GNU Manual.  Buying copies from GNU Press supports the FSF in
developing GNU and promoting software freedom." -->
<!-- Created by GNU Texinfo 6.5, http://www.gnu.org/software/texinfo/ -->
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Debugging C (Debugging with GDB)</title>

<meta name="description" content="Debugging C (Debugging with GDB)">
<meta name="keywords" content="Debugging C (Debugging with GDB)">
<meta name="resource-type" content="document">
<meta name="distribution" content="global">
<meta name="Generator" content="makeinfo">
<link href="index.html#Top" rel="start" title="Top">
<link href="Concept-Index.html#Concept-Index" rel="index" title="Concept Index">
<link href="index.html#SEC_Contents" rel="contents" title="Table of Contents">
<link href="C.html#C" rel="up" title="C">
<link href="Debugging-C-Plus-Plus.html#Debugging-C-Plus-Plus" rel="next" title="Debugging C Plus Plus">
<link href="C-Checks.html#C-Checks" rel="prev" title="C Checks">
<style type="text/css">
<!--
a.summary-letter {text-decoration: none}
blockquote.indentedblock {margin-right: 0em}
blockquote.smallindentedblock {margin-right: 0em; font-size: smaller}
blockquote.smallquotation {font-size: smaller}
div.display {margin-left: 3.2em}
div.example {margin-left: 3.2em}
div.lisp {margin-left: 3.2em}
div.smalldisplay {margin-left: 3.2em}
div.smallexample {margin-left: 3.2em}
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.nolinebreak {white-space: nowrap}
span.roman {font-family: initial; font-weight: normal}
span.sansserif {font-family: sans-serif; font-weight: normal}
ul.no-bullet {list-style: none}
-->
</style>


</head>

<body lang="en">
<a name="Debugging-C"></a>
<div class="header">
<p>
Next: <a href="Debugging-C-Plus-Plus.html#Debugging-C-Plus-Plus" accesskey="n" rel="next">Debugging C Plus Plus</a>, Previous: <a href="C-Checks.html#C-Checks" accesskey="p" rel="prev">C Checks</a>, Up: <a href="C.html#C" accesskey="u" rel="up">C</a> &nbsp; [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Concept-Index.html#Concept-Index" title="Index" rel="index">Index</a>]</p>
</div>
<hr>
<a name="GDB-and-C"></a>
<h4 class="subsubsection">15.4.1.6 <small>GDB</small> and C</h4>

<p>The <code>set print union</code> and <code>show print union</code> commands apply to
the <code>union</code> type.  When set to &lsquo;<samp>on</samp>&rsquo;, any <code>union</code> that is
inside a <code>struct</code> or <code>class</code> is also printed.  Otherwise, it
appears as &lsquo;<samp>{...}</samp>&rsquo;.
</p>
<p>The <code>@</code> operator aids in the debugging of dynamic arrays, formed
with pointers and a memory allocation function.  See <a href="Expressions.html#Expressions">Expressions</a>.
</p>


</body>
</html>