275 lines
12 KiB
HTML
275 lines
12 KiB
HTML
<html lang="en">
|
|
<head>
|
|
<title>GDB/MI Target Manipulation - Debugging with GDB</title>
|
|
<meta http-equiv="Content-Type" content="text/html">
|
|
<meta name="description" content="Debugging with GDB">
|
|
<meta name="generator" content="makeinfo 4.13">
|
|
<link title="Top" rel="start" href="index.html#Top">
|
|
<link rel="up" href="GDB_002fMI.html#GDB_002fMI" title="GDB/MI">
|
|
<link rel="prev" href="GDB_002fMI-File-Commands.html#GDB_002fMI-File-Commands" title="GDB/MI File Commands">
|
|
<link rel="next" href="GDB_002fMI-File-Transfer-Commands.html#GDB_002fMI-File-Transfer-Commands" title="GDB/MI File Transfer Commands">
|
|
<link href="http://www.gnu.org/software/texinfo/" rel="generator-home" title="Texinfo Homepage">
|
|
<!--
|
|
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.''
|
|
-->
|
|
<meta http-equiv="Content-Style-Type" content="text/css">
|
|
<style type="text/css"><!--
|
|
pre.display { font-family:inherit }
|
|
pre.format { font-family:inherit }
|
|
pre.smalldisplay { font-family:inherit; font-size:smaller }
|
|
pre.smallformat { font-family:inherit; font-size:smaller }
|
|
pre.smallexample { font-size:smaller }
|
|
pre.smalllisp { font-size:smaller }
|
|
span.sc { font-variant:small-caps }
|
|
span.roman { font-family:serif; font-weight:normal; }
|
|
span.sansserif { font-family:sans-serif; font-weight:normal; }
|
|
--></style>
|
|
</head>
|
|
<body>
|
|
<div class="node">
|
|
<a name="GDB%2fMI-Target-Manipulation"></a>
|
|
<a name="GDB_002fMI-Target-Manipulation"></a>
|
|
<p>
|
|
Next: <a rel="next" accesskey="n" href="GDB_002fMI-File-Transfer-Commands.html#GDB_002fMI-File-Transfer-Commands">GDB/MI File Transfer Commands</a>,
|
|
Previous: <a rel="previous" accesskey="p" href="GDB_002fMI-File-Commands.html#GDB_002fMI-File-Commands">GDB/MI File Commands</a>,
|
|
Up: <a rel="up" accesskey="u" href="GDB_002fMI.html#GDB_002fMI">GDB/MI</a>
|
|
<hr>
|
|
</div>
|
|
|
|
<h3 class="section">27.20 <span class="sc">gdb/mi</span> Target Manipulation Commands</h3>
|
|
|
|
<h4 class="subheading">The <code>-target-attach</code> Command</h4>
|
|
|
|
<p><a name="index-g_t_002dtarget_002dattach-3071"></a>
|
|
|
|
<h5 class="subsubheading">Synopsis</h5>
|
|
|
|
<pre class="smallexample"> -target-attach <var>pid</var> | <var>gid</var> | <var>file</var>
|
|
</pre>
|
|
<p>Attach to a process <var>pid</var> or a file <var>file</var> outside of
|
|
<span class="sc">gdb</span>, or a thread group <var>gid</var>. If attaching to a thread
|
|
group, the id previously returned by
|
|
‘<samp><span class="samp">-list-thread-groups --available</span></samp>’ must be used.
|
|
|
|
<h5 class="subsubheading"><span class="sc">gdb</span> Command</h5>
|
|
|
|
<p>The corresponding <span class="sc">gdb</span> command is ‘<samp><span class="samp">attach</span></samp>’.
|
|
|
|
<h5 class="subsubheading">Example</h5>
|
|
|
|
<pre class="smallexample"> (gdb)
|
|
-target-attach 34
|
|
=thread-created,id="1"
|
|
*stopped,thread-id="1",frame={addr="0xb7f7e410",func="bar",args=[]}
|
|
^done
|
|
(gdb)
|
|
</pre>
|
|
<h4 class="subheading">The <code>-target-detach</code> Command</h4>
|
|
|
|
<p><a name="index-g_t_002dtarget_002ddetach-3072"></a>
|
|
|
|
<h5 class="subsubheading">Synopsis</h5>
|
|
|
|
<pre class="smallexample"> -target-detach [ <var>pid</var> | <var>gid</var> ]
|
|
</pre>
|
|
<p>Detach from the remote target which normally resumes its execution.
|
|
If either <var>pid</var> or <var>gid</var> is specified, detaches from either
|
|
the specified process, or specified thread group. There's no output.
|
|
|
|
<h5 class="subsubheading"><span class="sc">gdb</span> Command</h5>
|
|
|
|
<p>The corresponding <span class="sc">gdb</span> command is ‘<samp><span class="samp">detach</span></samp>’.
|
|
|
|
<h5 class="subsubheading">Example</h5>
|
|
|
|
<pre class="smallexample"> (gdb)
|
|
-target-detach
|
|
^done
|
|
(gdb)
|
|
</pre>
|
|
<h4 class="subheading">The <code>-target-disconnect</code> Command</h4>
|
|
|
|
<p><a name="index-g_t_002dtarget_002ddisconnect-3073"></a>
|
|
|
|
<h5 class="subsubheading">Synopsis</h5>
|
|
|
|
<pre class="smallexample"> -target-disconnect
|
|
</pre>
|
|
<p>Disconnect from the remote target. There's no output and the target is
|
|
generally not resumed.
|
|
|
|
<h5 class="subsubheading"><span class="sc">gdb</span> Command</h5>
|
|
|
|
<p>The corresponding <span class="sc">gdb</span> command is ‘<samp><span class="samp">disconnect</span></samp>’.
|
|
|
|
<h5 class="subsubheading">Example</h5>
|
|
|
|
<pre class="smallexample"> (gdb)
|
|
-target-disconnect
|
|
^done
|
|
(gdb)
|
|
</pre>
|
|
<h4 class="subheading">The <code>-target-download</code> Command</h4>
|
|
|
|
<p><a name="index-g_t_002dtarget_002ddownload-3074"></a>
|
|
|
|
<h5 class="subsubheading">Synopsis</h5>
|
|
|
|
<pre class="smallexample"> -target-download
|
|
</pre>
|
|
<p>Loads the executable onto the remote target.
|
|
It prints out an update message every half second, which includes the fields:
|
|
|
|
<dl>
|
|
<dt>‘<samp><span class="samp">section</span></samp>’<dd>The name of the section.
|
|
<br><dt>‘<samp><span class="samp">section-sent</span></samp>’<dd>The size of what has been sent so far for that section.
|
|
<br><dt>‘<samp><span class="samp">section-size</span></samp>’<dd>The size of the section.
|
|
<br><dt>‘<samp><span class="samp">total-sent</span></samp>’<dd>The total size of what was sent so far (the current and the previous sections).
|
|
<br><dt>‘<samp><span class="samp">total-size</span></samp>’<dd>The size of the overall executable to download.
|
|
</dl>
|
|
|
|
<p class="noindent">Each message is sent as status record (see <a href="GDB_002fMI-Output-Syntax.html#GDB_002fMI-Output-Syntax"><span class="sc">gdb/mi</span> Output Syntax</a>).
|
|
|
|
<p>In addition, it prints the name and size of the sections, as they are
|
|
downloaded. These messages include the following fields:
|
|
|
|
<dl>
|
|
<dt>‘<samp><span class="samp">section</span></samp>’<dd>The name of the section.
|
|
<br><dt>‘<samp><span class="samp">section-size</span></samp>’<dd>The size of the section.
|
|
<br><dt>‘<samp><span class="samp">total-size</span></samp>’<dd>The size of the overall executable to download.
|
|
</dl>
|
|
|
|
<p class="noindent">At the end, a summary is printed.
|
|
|
|
<h5 class="subsubheading"><span class="sc">gdb</span> Command</h5>
|
|
|
|
<p>The corresponding <span class="sc">gdb</span> command is ‘<samp><span class="samp">load</span></samp>’.
|
|
|
|
<h5 class="subsubheading">Example</h5>
|
|
|
|
<p>Note: each status message appears on a single line. Here the messages
|
|
have been broken down so that they can fit onto a page.
|
|
|
|
<pre class="smallexample"> (gdb)
|
|
-target-download
|
|
+download,{section=".text",section-size="6668",total-size="9880"}
|
|
+download,{section=".text",section-sent="512",section-size="6668",
|
|
total-sent="512",total-size="9880"}
|
|
+download,{section=".text",section-sent="1024",section-size="6668",
|
|
total-sent="1024",total-size="9880"}
|
|
+download,{section=".text",section-sent="1536",section-size="6668",
|
|
total-sent="1536",total-size="9880"}
|
|
+download,{section=".text",section-sent="2048",section-size="6668",
|
|
total-sent="2048",total-size="9880"}
|
|
+download,{section=".text",section-sent="2560",section-size="6668",
|
|
total-sent="2560",total-size="9880"}
|
|
+download,{section=".text",section-sent="3072",section-size="6668",
|
|
total-sent="3072",total-size="9880"}
|
|
+download,{section=".text",section-sent="3584",section-size="6668",
|
|
total-sent="3584",total-size="9880"}
|
|
+download,{section=".text",section-sent="4096",section-size="6668",
|
|
total-sent="4096",total-size="9880"}
|
|
+download,{section=".text",section-sent="4608",section-size="6668",
|
|
total-sent="4608",total-size="9880"}
|
|
+download,{section=".text",section-sent="5120",section-size="6668",
|
|
total-sent="5120",total-size="9880"}
|
|
+download,{section=".text",section-sent="5632",section-size="6668",
|
|
total-sent="5632",total-size="9880"}
|
|
+download,{section=".text",section-sent="6144",section-size="6668",
|
|
total-sent="6144",total-size="9880"}
|
|
+download,{section=".text",section-sent="6656",section-size="6668",
|
|
total-sent="6656",total-size="9880"}
|
|
+download,{section=".init",section-size="28",total-size="9880"}
|
|
+download,{section=".fini",section-size="28",total-size="9880"}
|
|
+download,{section=".data",section-size="3156",total-size="9880"}
|
|
+download,{section=".data",section-sent="512",section-size="3156",
|
|
total-sent="7236",total-size="9880"}
|
|
+download,{section=".data",section-sent="1024",section-size="3156",
|
|
total-sent="7748",total-size="9880"}
|
|
+download,{section=".data",section-sent="1536",section-size="3156",
|
|
total-sent="8260",total-size="9880"}
|
|
+download,{section=".data",section-sent="2048",section-size="3156",
|
|
total-sent="8772",total-size="9880"}
|
|
+download,{section=".data",section-sent="2560",section-size="3156",
|
|
total-sent="9284",total-size="9880"}
|
|
+download,{section=".data",section-sent="3072",section-size="3156",
|
|
total-sent="9796",total-size="9880"}
|
|
^done,address="0x10004",load-size="9880",transfer-rate="6586",
|
|
write-rate="429"
|
|
(gdb)
|
|
</pre>
|
|
<h5 class="subsubheading"><span class="sc">gdb</span> Command</h5>
|
|
|
|
<p>No equivalent.
|
|
|
|
<h5 class="subsubheading">Example</h5>
|
|
|
|
<p>N.A.
|
|
|
|
<h4 class="subheading">The <code>-target-flash-erase</code> Command</h4>
|
|
|
|
<p><a name="index-g_t_002dtarget_002dflash_002derase-3075"></a>
|
|
|
|
<h5 class="subsubheading">Synopsis</h5>
|
|
|
|
<pre class="smallexample"> -target-flash-erase
|
|
</pre>
|
|
<p>Erases all known flash memory regions on the target.
|
|
|
|
<p>The corresponding <span class="sc">gdb</span> command is ‘<samp><span class="samp">flash-erase</span></samp>’.
|
|
|
|
<p>The output is a list of flash regions that have been erased, with starting
|
|
addresses and memory region sizes.
|
|
|
|
<pre class="smallexample"> (gdb)
|
|
-target-flash-erase
|
|
^done,erased-regions={address="0x0",size="0x40000"}
|
|
(gdb)
|
|
</pre>
|
|
<h4 class="subheading">The <code>-target-select</code> Command</h4>
|
|
|
|
<p><a name="index-g_t_002dtarget_002dselect-3076"></a>
|
|
|
|
<h5 class="subsubheading">Synopsis</h5>
|
|
|
|
<pre class="smallexample"> -target-select <var>type</var> <var>parameters <small class="dots">...</small></var>
|
|
</pre>
|
|
<p>Connect <span class="sc">gdb</span> to the remote target. This command takes two args:
|
|
|
|
<dl>
|
|
<dt>‘<samp><var>type</var></samp>’<dd>The type of target, for instance ‘<samp><span class="samp">remote</span></samp>’, etc.
|
|
<br><dt>‘<samp><var>parameters</var></samp>’<dd>Device names, host names and the like. See <a href="Target-Commands.html#Target-Commands">Commands for Managing Targets</a>, for more details.
|
|
</dl>
|
|
|
|
<p>The output is a connection notification, followed by the address at
|
|
which the target program is, in the following form:
|
|
|
|
<pre class="smallexample"> ^connected,addr="<var>address</var>",func="<var>function name</var>",
|
|
args=[<var>arg list</var>]
|
|
</pre>
|
|
<h5 class="subsubheading"><span class="sc">gdb</span> Command</h5>
|
|
|
|
<p>The corresponding <span class="sc">gdb</span> command is ‘<samp><span class="samp">target</span></samp>’.
|
|
|
|
<h5 class="subsubheading">Example</h5>
|
|
|
|
<pre class="smallexample"> (gdb)
|
|
-target-select remote /dev/ttya
|
|
^connected,addr="0xfe00a300",func="??",args=[]
|
|
(gdb)
|
|
</pre>
|
|
<!-- %%%%%%%%%%%%%%%%%%%%%%%%%%%% SECTION %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -->
|
|
</body></html>
|
|
|