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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 | 6ce4ebed87858ecdd79a1091367c6e961055daa9 (patch) | |
| tree | 1c2a6a60531acf791531bbd9c8ac14c23ef8a66c /share/doc/gdb/GDB_002fMI-Simple-Examples.html | |
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diff --git a/share/doc/gdb/GDB_002fMI-Simple-Examples.html b/share/doc/gdb/GDB_002fMI-Simple-Examples.html new file mode 100644 index 0000000..804c32a --- /dev/null +++ b/share/doc/gdb/GDB_002fMI-Simple-Examples.html @@ -0,0 +1,154 @@ +<!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: GDB/MI Simple Examples</title> + +<meta name="description" content="Debugging with GDB: GDB/MI Simple Examples"> +<meta name="keywords" content="Debugging with GDB: GDB/MI Simple Examples"> +<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="GDB_002fMI.html#GDB_002fMI" rel="up" title="GDB/MI"> +<link href="GDB_002fMI-Command-Description-Format.html#GDB_002fMI-Command-Description-Format" rel="next" title="GDB/MI Command Description Format"> +<link href="GDB_002fMI-Ada-Exception-Information.html#GDB_002fMI-Ada-Exception-Information" rel="previous" title="GDB/MI Ada Exception Information"> +<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="GDB_002fMI-Simple-Examples"></a> +<div class="header"> +<p> +Next: <a href="GDB_002fMI-Command-Description-Format.html#GDB_002fMI-Command-Description-Format" accesskey="n" rel="next">GDB/MI Command Description Format</a>, Previous: <a href="GDB_002fMI-Output-Records.html#GDB_002fMI-Output-Records" accesskey="p" rel="previous">GDB/MI Output Records</a>, Up: <a href="GDB_002fMI.html#GDB_002fMI" accesskey="u" rel="up">GDB/MI</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="Simple-Examples-of-GDB_002fMI-Interaction"></a> +<h3 class="section">27.6 Simple Examples of <small>GDB/MI</small> Interaction</h3> +<a name="index-GDB_002fMI_002c-simple-examples"></a> + +<p>This subsection presents several simple examples of interaction using +the <small>GDB/MI</small> interface. In these examples, ‘<samp>-></samp>’ means that the +following line is passed to <small>GDB/MI</small> as input, while ‘<samp><-</samp>’ means +the output received from <small>GDB/MI</small>. +</p> +<p>Note the line breaks shown in the examples are here only for +readability, they don’t appear in the real output. +</p> +<a name="Setting-a-Breakpoint"></a> +<h4 class="subheading">Setting a Breakpoint</h4> + +<p>Setting a breakpoint generates synchronous output which contains detailed +information of the breakpoint. +</p> +<div class="smallexample"> +<pre class="smallexample">-> -break-insert main +<- ^done,bkpt={number="1",type="breakpoint",disp="keep", + enabled="y",addr="0x08048564",func="main",file="myprog.c", + fullname="/home/nickrob/myprog.c",line="68",thread-groups=["i1"], + times="0"} +<- (gdb) +</pre></div> + +<a name="Program-Execution"></a> +<h4 class="subheading">Program Execution</h4> + +<p>Program execution generates asynchronous records and MI gives the +reason that execution stopped. +</p> +<div class="smallexample"> +<pre class="smallexample">-> -exec-run +<- ^running +<- (gdb) +<- *stopped,reason="breakpoint-hit",disp="keep",bkptno="1",thread-id="0", + frame={addr="0x08048564",func="main", + args=[{name="argc",value="1"},{name="argv",value="0xbfc4d4d4"}], + file="myprog.c",fullname="/home/nickrob/myprog.c",line="68", + arch="i386:x86_64"} +<- (gdb) +-> -exec-continue +<- ^running +<- (gdb) +<- *stopped,reason="exited-normally" +<- (gdb) +</pre></div> + +<a name="Quitting-GDB-2"></a> +<h4 class="subheading">Quitting <small>GDB</small></h4> + +<p>Quitting <small>GDB</small> just prints the result class ‘<samp>^exit</samp>’. +</p> +<div class="smallexample"> +<pre class="smallexample">-> (gdb) +<- -gdb-exit +<- ^exit +</pre></div> + +<p>Please note that ‘<samp>^exit</samp>’ is printed immediately, but it might +take some time for <small>GDB</small> to actually exit. During that time, <small>GDB</small> +performs necessary cleanups, including killing programs being debugged +or disconnecting from debug hardware, so the frontend should wait till +<small>GDB</small> exits and should only forcibly kill <small>GDB</small> if it +fails to exit in reasonable time. +</p> +<a name="A-Bad-Command"></a> +<h4 class="subheading">A Bad Command</h4> + +<p>Here’s what happens if you pass a non-existent command: +</p> +<div class="smallexample"> +<pre class="smallexample">-> -rubbish +<- ^error,msg="Undefined MI command: rubbish" +<- (gdb) +</pre></div> + + + + + +</body> +</html> |