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<title>GDB&rsquo;s Obsolete Annotations: Top</title>

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<h1 class="settitle" align="center"><small>GDB</small>&rsquo;s Obsolete Annotations</h1>


<p>This file documents <small>GDB</small>&rsquo;s obsolete annotations.
</p>
<p>Copyright &copy; 1994-2019 Free Software Foundation, Inc.
</p>
<p>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 no
Invariant Sections, with no Front-Cover Texts, and with no Back-Cover
Texts.  A copy of the license is included in the section entitled &ldquo;GNU
Free Documentation License&rdquo;.
</p>


<a name="Top"></a>
<div class="header">
<p>
Next: <a href="Annotations-Overview.html#Annotations-Overview" accesskey="n" rel="next">Annotations Overview</a>, Up: <a href="../dir/index.html" accesskey="u" rel="up">(dir)</a> &nbsp; [<a href="#SEC_Contents" title="Table of contents" rel="contents">Contents</a>]</p>
</div>
<hr>
<a name="GDB-Annotations"></a>
<h1 class="top">GDB Annotations</h1>

<p>This document describes the obsolete level two annotation interface
implemented in older <small>GDB</small> versions.
</p>

<table class="menu" border="0" cellspacing="0">
<tr><td align="left" valign="top">&bull; <a href="Annotations-Overview.html#Annotations-Overview" accesskey="1">Annotations Overview</a>:</td><td>&nbsp;&nbsp;</td><td align="left" valign="top">What annotations are; the general syntax.
</td></tr>
<tr><td align="left" valign="top">&bull; <a href="Limitations.html#Limitations" accesskey="2">Limitations</a>:</td><td>&nbsp;&nbsp;</td><td align="left" valign="top">Limitations of the annotation interface.
</td></tr>
<tr><td align="left" valign="top">&bull; <a href="Migrating-to-GDB_002fMI.html#Migrating-to-GDB_002fMI" accesskey="3">Migrating to GDB/MI</a>:</td><td>&nbsp;&nbsp;</td><td align="left" valign="top">Migrating to GDB/MI
</td></tr>
<tr><td align="left" valign="top">&bull; <a href="Server-Prefix.html#Server-Prefix" accesskey="4">Server Prefix</a>:</td><td>&nbsp;&nbsp;</td><td align="left" valign="top">Issuing a command without affecting user state.
</td></tr>
<tr><td align="left" valign="top">&bull; <a href="Value-Annotations.html#Value-Annotations" accesskey="5">Value Annotations</a>:</td><td>&nbsp;&nbsp;</td><td align="left" valign="top">Values are marked as such.
</td></tr>
<tr><td align="left" valign="top">&bull; <a href="Frame-Annotations.html#Frame-Annotations" accesskey="6">Frame Annotations</a>:</td><td>&nbsp;&nbsp;</td><td align="left" valign="top">Stack frames are annotated.
</td></tr>
<tr><td align="left" valign="top">&bull; <a href="Displays.html#Displays" accesskey="7">Displays</a>:</td><td>&nbsp;&nbsp;</td><td align="left" valign="top"><small>GDB</small> can be told to display something periodically.
</td></tr>
<tr><td align="left" valign="top">&bull; <a href="Prompting.html#Prompting" accesskey="8">Prompting</a>:</td><td>&nbsp;&nbsp;</td><td align="left" valign="top">Annotations marking <small>GDB</small>&rsquo;s need for input.
</td></tr>
<tr><td align="left" valign="top">&bull; <a href="Errors.html#Errors" accesskey="9">Errors</a>:</td><td>&nbsp;&nbsp;</td><td align="left" valign="top">Annotations for error messages.
</td></tr>
<tr><td align="left" valign="top">&bull; <a href="Breakpoint-Info.html#Breakpoint-Info">Breakpoint Info</a>:</td><td>&nbsp;&nbsp;</td><td align="left" valign="top">Information on breakpoints.
</td></tr>
<tr><td align="left" valign="top">&bull; <a href="Invalidation.html#Invalidation">Invalidation</a>:</td><td>&nbsp;&nbsp;</td><td align="left" valign="top">Some annotations describe things now invalid.
</td></tr>
<tr><td align="left" valign="top">&bull; <a href="Annotations-for-Running.html#Annotations-for-Running">Annotations for Running</a>:</td><td>&nbsp;&nbsp;</td><td align="left" valign="top">
                        Whether the program is running, how it stopped, etc.
</td></tr>
<tr><td align="left" valign="top">&bull; <a href="Source-Annotations.html#Source-Annotations">Source Annotations</a>:</td><td>&nbsp;&nbsp;</td><td align="left" valign="top">Annotations describing source code.
</td></tr>
<tr><td align="left" valign="top">&bull; <a href="Multi_002dthreaded-Apps.html#Multi_002dthreaded-Apps">Multi-threaded Apps</a>:</td><td>&nbsp;&nbsp;</td><td align="left" valign="top">An annotation that reports multi-threadedness.
</td></tr>
<tr><th colspan="3" align="left" valign="top"><pre class="menu-comment">
</pre></th></tr><tr><td align="left" valign="top">&bull; <a href="GNU-Free-Documentation-License.html#GNU-Free-Documentation-License">GNU Free Documentation License</a>:</td><td>&nbsp;&nbsp;</td><td align="left" valign="top">
</td></tr>
</table>

<a name="SEC_Contents"></a>
<h2 class="contents-heading">Table of Contents</h2>

<div class="contents">

<ul class="no-bullet">
  <li><a name="toc-What-is-an-Annotation_003f" href="Annotations-Overview.html#Annotations-Overview">1 What is an Annotation?</a></li>
  <li><a name="toc-Limitations-of-the-Annotation-Interface" href="Limitations.html#Limitations">2 Limitations of the Annotation Interface</a>
  <ul class="no-bullet">
    <li><a name="toc-Dependant-on-CLI-output" href="Limitations.html#Dependant-on-CLI-output">2.1 Dependant on <small>CLI</small> output</a></li>
    <li><a name="toc-Scalability" href="Limitations.html#Scalability">2.2 Scalability</a></li>
    <li><a name="toc-Correctness" href="Limitations.html#Correctness">2.3 Correctness</a></li>
    <li><a name="toc-Reliability" href="Limitations.html#Reliability">2.4 Reliability</a></li>
    <li><a name="toc-Maintainability" href="Limitations.html#Maintainability">2.5 Maintainability</a></li>
  </ul></li>
  <li><a name="toc-Migrating-to-GDB_002fMI-1" href="Migrating-to-GDB_002fMI.html#Migrating-to-GDB_002fMI">3 Migrating to <small>GDB/MI</small></a></li>
  <li><a name="toc-The-Server-Prefix" href="Server-Prefix.html#Server-Prefix">4 The Server Prefix</a></li>
  <li><a name="toc-Values" href="Value-Annotations.html#Value-Annotations">5 Values</a></li>
  <li><a name="toc-Frames" href="Frame-Annotations.html#Frame-Annotations">6 Frames</a></li>
  <li><a name="toc-Displays-1" href="Displays.html#Displays">7 Displays</a></li>
  <li><a name="toc-Annotation-for-GDB-Input" href="Prompting.html#Prompting">8 Annotation for <small>GDB</small> Input</a></li>
  <li><a name="toc-Errors-1" href="Errors.html#Errors">9 Errors</a></li>
  <li><a name="toc-Information-on-Breakpoints" href="Breakpoint-Info.html#Breakpoint-Info">10 Information on Breakpoints</a></li>
  <li><a name="toc-Invalidation-Notices" href="Invalidation.html#Invalidation">11 Invalidation Notices</a></li>
  <li><a name="toc-Running-the-Program" href="Annotations-for-Running.html#Annotations-for-Running">12 Running the Program</a></li>
  <li><a name="toc-Displaying-Source" href="Source-Annotations.html#Source-Annotations">13 Displaying Source</a></li>
  <li><a name="toc-Multi_002dthreaded-Applications" href="Multi_002dthreaded-Apps.html#Multi_002dthreaded-Apps">14 Multi-threaded Applications</a></li>
  <li><a name="toc-GNU-Free-Documentation-License-1" href="GNU-Free-Documentation-License.html#GNU-Free-Documentation-License">Appendix A GNU Free Documentation License</a></li>
</ul>
</div>


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<p>
Next: <a href="Annotations-Overview.html#Annotations-Overview" accesskey="n" rel="next">Annotations Overview</a>, Up: <a href="../dir/index.html" accesskey="u" rel="up">(dir)</a> &nbsp; [<a href="#SEC_Contents" title="Table of contents" rel="contents">Contents</a>]</p>
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