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| author | alk3pInjection <webmaster@raspii.tech> | 2024-02-04 16:16:35 +0800 |
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| committer | alk3pInjection <webmaster@raspii.tech> | 2024-02-04 16:16:35 +0800 |
| commit | abdaadbcae30fe0c9a66c7516798279fdfd97750 (patch) | |
| tree | 00a54a6e25601e43876d03c1a4a12a749d4a914c /share/doc/gdb/Annotations-Overview.html | |
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diff --git a/share/doc/gdb/Annotations-Overview.html b/share/doc/gdb/Annotations-Overview.html new file mode 100644 index 0000000..47a20b1 --- /dev/null +++ b/share/doc/gdb/Annotations-Overview.html @@ -0,0 +1,152 @@ +<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> +<html> +<!-- Copyright (C) 1988-2023 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 5.1, http://www.gnu.org/software/texinfo/ --> +<head> +<title>Debugging with GDB: Annotations Overview</title> + +<meta name="description" content="Debugging with GDB: Annotations Overview"> +<meta name="keywords" content="Debugging with GDB: Annotations Overview"> +<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="Server-Prefix.html#Server-Prefix" rel="next" title="Server Prefix"> +<link href="Annotations.html#Annotations" rel="previous" title="Annotations"> +<style type="text/css"> +<!-- +a.summary-letter {text-decoration: none} +blockquote.smallquotation {font-size: smaller} +div.display {margin-left: 3.2em} +div.example {margin-left: 3.2em} +div.indentedblock {margin-left: 3.2em} +div.lisp {margin-left: 3.2em} +div.smalldisplay {margin-left: 3.2em} +div.smallexample {margin-left: 3.2em} +div.smallindentedblock {margin-left: 3.2em; font-size: smaller} +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.nocodebreak {white-space:nowrap} +span.nolinebreak {white-space:nowrap} +span.roman {font-family:serif; font-weight:normal} +span.sansserif {font-family:sans-serif; font-weight:normal} +ul.no-bullet {list-style: none} +--> +</style> + + +</head> + +<body lang="en" bgcolor="#FFFFFF" text="#000000" link="#0000FF" vlink="#800080" alink="#FF0000"> +<a name="Annotations-Overview"></a> +<div class="header"> +<p> +Next: <a href="Server-Prefix.html#Server-Prefix" accesskey="n" rel="next">Server Prefix</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="What-is-an-Annotation_003f"></a> +<h3 class="section">28.1 What is an Annotation?</h3> +<a name="index-annotations"></a> + +<p>Annotations start with a newline character, two ‘<samp>control-z</samp>’ +characters, and the name of the annotation. If there is no additional +information associated with this annotation, the name of the annotation +is followed immediately by a newline. If there is additional +information, the name of the annotation is followed by a space, the +additional information, and a newline. The additional information +cannot contain newline characters. +</p> +<p>Any output not beginning with a newline and two ‘<samp>control-z</samp>’ +characters denotes literal output from <small>GDB</small>. Currently there is +no need for <small>GDB</small> to output a newline followed by two +‘<samp>control-z</samp>’ characters, but if there was such a need, the +annotations could be extended with an ‘<samp>escape</samp>’ annotation which +means those three characters as output. +</p> +<p>The annotation <var>level</var>, which is specified using the +<samp>--annotate</samp> command line option (see <a href="Mode-Options.html#Mode-Options">Mode Options</a>), controls +how much information <small>GDB</small> prints together with its prompt, +values of expressions, source lines, and other types of output. Level 0 +is for no annotations, level 1 is for use when <small>GDB</small> is run as a +subprocess of <small>GNU</small> Emacs, level 3 is the maximum annotation suitable +for programs that control <small>GDB</small>, and level 2 annotations have +been made obsolete (see <a href="../annotate/Limitations.html#Limitations">Limitations of the Annotation +Interface</a> in <cite>GDB’s Obsolete Annotations</cite>). +</p> +<dl compact="compact"> +<dd><a name="index-set-annotate"></a> +</dd> +<dt><code>set annotate <var>level</var></code></dt> +<dd><p>The <small>GDB</small> command <code>set annotate</code> sets the level of +annotations to the specified <var>level</var>. +</p> +</dd> +<dt><code>show annotate</code></dt> +<dd><a name="index-show-annotate"></a> +<p>Show the current annotation level. +</p></dd> +</dl> + +<p>This chapter describes level 3 annotations. +</p> +<p>A simple example of starting up <small>GDB</small> with annotations is: +</p> +<div class="smallexample"> +<pre class="smallexample">$ <kbd>gdb --annotate=3</kbd> +GNU gdb 6.0 +Copyright 2003 Free Software Foundation, Inc. +GDB is free software, covered by the GNU General Public License, +and you are welcome to change it and/or distribute copies of it +under certain conditions. +Type "show copying" to see the conditions. +There is absolutely no warranty for GDB. Type "show warranty" +for details. +This GDB was configured as "i386-pc-linux-gnu" + +^Z^Zpre-prompt +(gdb) +^Z^Zprompt +<kbd>quit</kbd> + +^Z^Zpost-prompt +$ +</pre></div> + +<p>Here ‘<samp>quit</samp>’ is input to <small>GDB</small>; the rest is output from +<small>GDB</small>. The three lines beginning ‘<samp>^Z^Z</samp>’ (where ‘<samp>^Z</samp>’ +denotes a ‘<samp>control-z</samp>’ character) are annotations; the rest is +output from <small>GDB</small>. +</p> +<hr> +<div class="header"> +<p> +Next: <a href="Server-Prefix.html#Server-Prefix" accesskey="n" rel="next">Server Prefix</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> + + + +</body> +</html> |