99 lines
3.9 KiB
HTML
99 lines
3.9 KiB
HTML
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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) 1992-2017 Free Software Foundation, Inc.
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Contributed by Cygnus Support. Written by Julia Menapace, Jim Kingdon,
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and David MacKenzie.
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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 no
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Invariant Sections, with no Front-Cover Texts, and with no Back-Cover
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Texts. A copy of the license is included in the section entitled "GNU
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Free Documentation License". -->
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<!-- Created by GNU Texinfo 5.2, http://www.gnu.org/software/texinfo/ -->
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<head>
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<title>STABS: Class Instance</title>
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<meta name="description" content="STABS: Class Instance">
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<link href="index.html#Top" rel="start" title="Top">
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<link href="Symbol-Types-Index.html#Symbol-Types-Index" rel="index" title="Symbol Types Index">
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<link href="index.html#SEC_Contents" rel="contents" title="Table of Contents">
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<link href="Cplusplus.html#Cplusplus" rel="up" title="Cplusplus">
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<link href="Methods.html#Methods" rel="next" title="Methods">
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<link href="Simple-Classes.html#Simple-Classes" rel="prev" title="Simple Classes">
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</head>
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<body lang="en" bgcolor="#FFFFFF" text="#000000" link="#0000FF" vlink="#800080" alink="#FF0000">
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<a name="Class-Instance"></a>
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<div class="header">
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<p>
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Next: <a href="Methods.html#Methods" accesskey="n" rel="next">Methods</a>, Previous: <a href="Simple-Classes.html#Simple-Classes" accesskey="p" rel="prev">Simple Classes</a>, Up: <a href="Cplusplus.html#Cplusplus" accesskey="u" rel="up">Cplusplus</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Symbol-Types-Index.html#Symbol-Types-Index" title="Index" rel="index">Index</a>]</p>
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</div>
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<hr>
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<a name="Class-Instance-1"></a>
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<h3 class="section">8.5 Class Instance</h3>
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<p>As shown above, describing even a simple C<tt>++</tt> class definition is
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accomplished by massively extending the stab format used in C to
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describe structure types. However, once the class is defined, C stabs
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with no modifications can be used to describe class instances. The
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following source:
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</p>
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<div class="example">
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<pre class="example">main () {
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baseA AbaseA;
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}
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</pre></div>
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<p>yields the following stab describing the class instance. It looks no
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different from a standard C stab describing a local variable.
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</p>
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<div class="display">
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<pre class="display">.stabs "name:type_ref(baseA)", N_LSYM, NIL, NIL, frame_ptr_offset
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</pre></div>
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<div class="example">
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<pre class="example">.stabs "AbaseA:20",128,0,0,-20
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</pre></div>
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</body>
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</html>
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