<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <!-- Copyright (C) 1988-2019 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 6.4, http://www.gnu.org/software/texinfo/ --> <head> <title>Errors (Debugging with GDB)</title> <meta name="description" content="Errors (Debugging with GDB)"> <meta name="keywords" content="Errors (Debugging with GDB)"> <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="Concept-Index.html#Concept-Index" rel="index" title="Concept Index"> <link href="index.html#SEC_Contents" rel="contents" title="Table of Contents"> <link href="Annotations.html#Annotations" rel="up" title="Annotations"> <link href="Invalidation.html#Invalidation" rel="next" title="Invalidation"> <link href="Prompting.html#Prompting" rel="prev" title="Prompting"> <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="Errors"></a> <div class="header"> <p> Next: <a href="Invalidation.html#Invalidation" accesskey="n" rel="next">Invalidation</a>, Previous: <a href="Prompting.html#Prompting" accesskey="p" rel="prev">Prompting</a>, Up: <a href="Annotations.html#Annotations" accesskey="u" rel="up">Annotations</a> [<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="Errors-1"></a> <h3 class="section">28.4 Errors</h3> <a name="index-annotations-for-errors_002c-warnings-and-interrupts"></a> <a name="index-quit-annotation"></a> <div class="smallexample"> <pre class="smallexample">^Z^Zquit </pre></div> <p>This annotation occurs right before <small>GDB</small> responds to an interrupt. </p> <a name="index-error-annotation"></a> <div class="smallexample"> <pre class="smallexample">^Z^Zerror </pre></div> <p>This annotation occurs right before <small>GDB</small> responds to an error. </p> <p>Quit and error annotations indicate that any annotations which <small>GDB</small> was in the middle of may end abruptly. For example, if a <code>value-history-begin</code> annotation is followed by a <code>error</code>, one cannot expect to receive the matching <code>value-history-end</code>. One cannot expect not to receive it either, however; an error annotation does not necessarily mean that <small>GDB</small> is immediately returning all the way to the top level. </p> <a name="index-error_002dbegin-annotation"></a> <p>A quit or error annotation may be preceded by </p> <div class="smallexample"> <pre class="smallexample">^Z^Zerror-begin </pre></div> <p>Any output between that and the quit or error annotation is the error message. </p> <p>Warning messages are not yet annotated. </p> </body> </html>