<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <!-- 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." --> <!-- Created by GNU Texinfo 6.4, http://www.gnu.org/software/texinfo/ --> <head> <title>Python (Debugging with GDB)</title> <meta name="description" content="Python (Debugging with GDB)"> <meta name="keywords" content="Python (Debugging with GDB)"> <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="Extending-GDB.html#Extending-GDB" rel="up" title="Extending GDB"> <link href="Python-Commands.html#Python-Commands" rel="next" title="Python Commands"> <link href="Auto_002dloading-sequences.html#Auto_002dloading-sequences" rel="prev" title="Auto-loading sequences"> <style type="text/css"> <!-- a.summary-letter {text-decoration: none} blockquote.indentedblock {margin-right: 0em} blockquote.smallindentedblock {margin-right: 0em; font-size: smaller} blockquote.smallquotation {font-size: smaller} div.display {margin-left: 3.2em} div.example {margin-left: 3.2em} div.lisp {margin-left: 3.2em} div.smalldisplay {margin-left: 3.2em} div.smallexample {margin-left: 3.2em} 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.nolinebreak {white-space: nowrap} span.roman {font-family: initial; font-weight: normal} span.sansserif {font-family: sans-serif; font-weight: normal} ul.no-bullet {list-style: none} --> </style> </head> <body lang="en"> <a name="Python"></a> <div class="header"> <p> Next: <a href="Guile.html#Guile" accesskey="n" rel="next">Guile</a>, Previous: <a href="Sequences.html#Sequences" accesskey="p" rel="prev">Sequences</a>, Up: <a href="Extending-GDB.html#Extending-GDB" accesskey="u" rel="up">Extending GDB</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="Extending-GDB-using-Python"></a> <h3 class="section">23.2 Extending <small>GDB</small> using Python</h3> <a name="index-python-scripting"></a> <a name="index-scripting-with-python"></a> <p>You can extend <small>GDB</small> using the <a href="http://www.python.org/">Python programming language</a>. This feature is available only if <small>GDB</small> was configured using <samp>--with-python</samp>. <small>GDB</small> can be built against either Python 2 or Python 3; which one you have depends on this configure-time option. </p> <a name="index-python-directory"></a> <p>Python scripts used by <small>GDB</small> should be installed in <samp><var>data-directory</var>/python</samp>, where <var>data-directory</var> is the data directory as determined at <small>GDB</small> startup (see <a href="Data-Files.html#Data-Files">Data Files</a>). This directory, known as the <em>python directory</em>, is automatically added to the Python Search Path in order to allow the Python interpreter to locate all scripts installed at this location. </p> <p>Additionally, <small>GDB</small> commands and convenience functions which are written in Python and are located in the <samp><var>data-directory</var>/python/gdb/command</samp> or <samp><var>data-directory</var>/python/gdb/function</samp> directories are automatically imported when <small>GDB</small> starts. </p> <table class="menu" border="0" cellspacing="0"> <tr><td align="left" valign="top">• <a href="Python-Commands.html#Python-Commands" accesskey="1">Python Commands</a>:</td><td> </td><td align="left" valign="top">Accessing Python from <small>GDB</small>. </td></tr> <tr><td align="left" valign="top">• <a href="Python-API.html#Python-API" accesskey="2">Python API</a>:</td><td> </td><td align="left" valign="top">Accessing <small>GDB</small> from Python. </td></tr> <tr><td align="left" valign="top">• <a href="Python-Auto_002dloading.html#Python-Auto_002dloading" accesskey="3">Python Auto-loading</a>:</td><td> </td><td align="left" valign="top">Automatically loading Python code. </td></tr> <tr><td align="left" valign="top">• <a href="Python-modules.html#Python-modules" accesskey="4">Python modules</a>:</td><td> </td><td align="left" valign="top">Python modules provided by <small>GDB</small>. </td></tr> </table> </body> </html>