| <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> |
| |
