80 lines
3.8 KiB
HTML
80 lines
3.8 KiB
HTML
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<html lang="en">
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<head>
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<title>Overview - STABS</title>
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<meta name="description" content="STABS">
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<link rel="next" href="Program-Structure.html#Program-Structure" title="Program Structure">
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<!--
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Copyright (C) 1992-2019 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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</head>
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<body>
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<h1 class="settitle">STABS</h1>
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<div class="node">
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<a name="Overview"></a>
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<p>
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Next: <a rel="next" accesskey="n" href="Program-Structure.html#Program-Structure">Program Structure</a>,
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Previous: <a rel="previous" accesskey="p" href="index.html#Top">Top</a>,
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Up: <a rel="up" accesskey="u" href="index.html#Top">Top</a>
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<hr>
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</div>
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<h2 class="chapter">1 Overview of Stabs</h2>
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<p><dfn>Stabs</dfn> refers to a format for information that describes a program
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to a debugger. This format was apparently invented by
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Peter Kessler at
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the University of California at Berkeley, for the <code>pdx</code> Pascal
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debugger; the format has spread widely since then.
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<p>This document is one of the few published sources of documentation on
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stabs. It is believed to be comprehensive for stabs used by C. The
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lists of symbol descriptors (see <a href="Symbol-Descriptors.html#Symbol-Descriptors">Symbol Descriptors</a>) and type
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descriptors (see <a href="Type-Descriptors.html#Type-Descriptors">Type Descriptors</a>) are believed to be completely
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comprehensive. Stabs for COBOL-specific features and for variant
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records (used by Pascal and Modula-2) are poorly documented here.
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<!-- FIXME: Need to document all OS9000 stuff in GDB; see all references -->
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<!-- to os9k_stabs in stabsread.c. -->
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<p>Other sources of information on stabs are <cite>Dbx and Dbxtool
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Interfaces</cite>, 2nd edition, by Sun, 1988, and <cite>AIX Version 3.2 Files
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Reference</cite>, Fourth Edition, September 1992, "dbx Stabstring Grammar" in
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the a.out section, page 2-31. This document is believed to incorporate
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the information from those two sources except where it explicitly directs
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you to them for more information.
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<ul class="menu">
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<li><a accesskey="1" href="Flow.html#Flow">Flow</a>: Overview of debugging information flow
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<li><a accesskey="2" href="Stabs-Format.html#Stabs-Format">Stabs Format</a>: Overview of stab format
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<li><a accesskey="3" href="String-Field.html#String-Field">String Field</a>: The string field
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<li><a accesskey="4" href="C-Example.html#C-Example">C Example</a>: A simple example in C source
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<li><a accesskey="5" href="Assembly-Code.html#Assembly-Code">Assembly Code</a>: The simple example at the assembly level
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</ul>
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</body></html>
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