1<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> 2<html> 3<!-- Copyright (C) 1994-2021 Free Software Foundation, Inc. 4 5Permission is granted to copy, distribute and/or modify this document 6under the terms of the GNU Free Documentation License, Version 1.3 or 7any later version published by the Free Software Foundation; with no 8Invariant Sections, with no Front-Cover Texts, and with no Back-Cover 9Texts. A copy of the license is included in the section entitled "GNU 10Free Documentation License". --> 11<!-- Created by GNU Texinfo 5.1, http://www.gnu.org/software/texinfo/ --> 12<head> 13<title>GDB’s Obsolete Annotations: Source Annotations</title> 14 15<meta name="description" content="GDB’s Obsolete Annotations: Source Annotations"> 16<meta name="keywords" content="GDB’s Obsolete Annotations: Source Annotations"> 17<meta name="resource-type" content="document"> 18<meta name="distribution" content="global"> 19<meta name="Generator" content="makeinfo"> 20<meta http-equiv="Content-Type" content="text/html; charset=utf-8"> 21<link href="index.html#Top" rel="start" title="Top"> 22<link href="index.html#SEC_Contents" rel="contents" title="Table of Contents"> 23<link href="index.html#Top" rel="up" title="Top"> 24<link href="Multi_002dthreaded-Apps.html#Multi_002dthreaded-Apps" rel="next" title="Multi-threaded Apps"> 25<link href="Annotations-for-Running.html#Annotations-for-Running" rel="previous" title="Annotations for Running"> 26<style type="text/css"> 27<!-- 28a.summary-letter {text-decoration: none} 29blockquote.smallquotation {font-size: smaller} 30div.display {margin-left: 3.2em} 31div.example {margin-left: 3.2em} 32div.indentedblock {margin-left: 3.2em} 33div.lisp {margin-left: 3.2em} 34div.smalldisplay {margin-left: 3.2em} 35div.smallexample {margin-left: 3.2em} 36div.smallindentedblock {margin-left: 3.2em; font-size: smaller} 37div.smalllisp {margin-left: 3.2em} 38kbd {font-style:oblique} 39pre.display {font-family: inherit} 40pre.format {font-family: inherit} 41pre.menu-comment {font-family: serif} 42pre.menu-preformatted {font-family: serif} 43pre.smalldisplay {font-family: inherit; font-size: smaller} 44pre.smallexample {font-size: smaller} 45pre.smallformat {font-family: inherit; font-size: smaller} 46pre.smalllisp {font-size: smaller} 47span.nocodebreak {white-space:nowrap} 48span.nolinebreak {white-space:nowrap} 49span.roman {font-family:serif; font-weight:normal} 50span.sansserif {font-family:sans-serif; font-weight:normal} 51ul.no-bullet {list-style: none} 52--> 53</style> 54 55 56</head> 57 58<body lang="en" bgcolor="#FFFFFF" text="#000000" link="#0000FF" vlink="#800080" alink="#FF0000"> 59<a name="Source-Annotations"></a> 60<div class="header"> 61<p> 62Next: <a href="Multi_002dthreaded-Apps.html#Multi_002dthreaded-Apps" accesskey="n" rel="next">Multi-threaded Apps</a>, Previous: <a href="Annotations-for-Running.html#Annotations-for-Running" accesskey="p" rel="previous">Annotations for Running</a>, Up: <a href="index.html#Top" accesskey="u" rel="up">Top</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>]</p> 63</div> 64<hr> 65<a name="Displaying-Source"></a> 66<h2 class="chapter">13 Displaying Source</h2> 67<a name="index-annotations-for-source-display"></a> 68 69<a name="index-source"></a> 70<p>The following annotation is used instead of displaying source code: 71</p> 72<div class="smallexample"> 73<pre class="smallexample">^Z^Zsource <var>filename</var>:<var>line</var>:<var>character</var>:<var>middle</var>:<var>addr</var> 74</pre></div> 75 76<p>where <var>filename</var> is an absolute file name indicating which source 77file, <var>line</var> is the line number within that file (where 1 is the 78first line in the file), <var>character</var> is the character position 79within the file (where 0 is the first character in the file) (for most 80debug formats this will necessarily point to the beginning of a line), 81<var>middle</var> is ‘<samp>middle</samp>’ if <var>addr</var> is in the middle of the 82line, or ‘<samp>beg</samp>’ if <var>addr</var> is at the beginning of the line, and 83<var>addr</var> is the address in the target program associated with the 84source which is being displayed. <var>addr</var> is in the form ‘<samp>0x</samp>’ 85followed by one or more lowercase hex digits (note that this does not 86depend on the language). 87</p> 88 89 90 91</body> 92</html> 93