diff options
author | alk3pInjection <webmaster@raspii.tech> | 2024-02-04 16:16:35 +0800 |
---|---|---|
committer | alk3pInjection <webmaster@raspii.tech> | 2024-02-04 16:16:35 +0800 |
commit | 6ce4ebed87858ecdd79a1091367c6e961055daa9 (patch) | |
tree | 1c2a6a60531acf791531bbd9c8ac14c23ef8a66c /share/doc/gdb/Python-Auto_002dloading.html |
https://developer.arm.com/downloads/-/arm-gnu-toolchain-downloads
Change-Id: I7303388733328cd98ab9aa3c30236db67f2e9e9c
Diffstat (limited to 'share/doc/gdb/Python-Auto_002dloading.html')
-rw-r--r-- | share/doc/gdb/Python-Auto_002dloading.html | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/share/doc/gdb/Python-Auto_002dloading.html b/share/doc/gdb/Python-Auto_002dloading.html new file mode 100644 index 0000000..c4990a3 --- /dev/null +++ b/share/doc/gdb/Python-Auto_002dloading.html @@ -0,0 +1,139 @@ +<!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: Python Auto-loading</title> + +<meta name="description" content="Debugging with GDB: Python Auto-loading"> +<meta name="keywords" content="Debugging with GDB: Python Auto-loading"> +<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="Python.html#Python" rel="up" title="Python"> +<link href="Python-modules.html#Python-modules" rel="next" title="Python modules"> +<link href="Disassembly-In-Python.html#Disassembly-In-Python" rel="previous" title="Disassembly In Python"> +<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="Python-Auto_002dloading"></a> +<div class="header"> +<p> +Next: <a href="Python-modules.html#Python-modules" accesskey="n" rel="next">Python modules</a>, Previous: <a href="Python-API.html#Python-API" accesskey="p" rel="previous">Python API</a>, Up: <a href="Python.html#Python" accesskey="u" rel="up">Python</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="Python-Auto_002dloading-1"></a> +<h4 class="subsection">23.3.3 Python Auto-loading</h4> +<a name="index-Python-auto_002dloading"></a> + +<p>When a new object file is read (for example, due to the <code>file</code> +command, or because the inferior has loaded a shared library), +<small>GDB</small> will look for Python support scripts in several ways: +<samp><var>objfile</var>-gdb.py</samp> and <code>.debug_gdb_scripts</code> section. +See <a href="Auto_002dloading-extensions.html#Auto_002dloading-extensions">Auto-loading extensions</a>. +</p> +<p>The auto-loading feature is useful for supplying application-specific +debugging commands and scripts. +</p> +<p>Auto-loading can be enabled or disabled, +and the list of auto-loaded scripts can be printed. +</p> +<dl compact="compact"> +<dd><a name="set-auto_002dload-python_002dscripts"></a><a name="index-set-auto_002dload-python_002dscripts"></a> +</dd> +<dt><code>set auto-load python-scripts [on|off]</code></dt> +<dd><p>Enable or disable the auto-loading of Python scripts. +</p> +<a name="show-auto_002dload-python_002dscripts"></a><a name="index-show-auto_002dload-python_002dscripts"></a> +</dd> +<dt><code>show auto-load python-scripts</code></dt> +<dd><p>Show whether auto-loading of Python scripts is enabled or disabled. +</p> +<a name="info-auto_002dload-python_002dscripts"></a><a name="index-info-auto_002dload-python_002dscripts"></a> +<a name="index-print-list-of-auto_002dloaded-Python-scripts"></a> +</dd> +<dt><code>info auto-load python-scripts [<var>regexp</var>]</code></dt> +<dd><p>Print the list of all Python scripts that <small>GDB</small> auto-loaded. +</p> +<p>Also printed is the list of Python scripts that were mentioned in +the <code>.debug_gdb_scripts</code> section and were either not found +(see <a href="dotdebug_005fgdb_005fscripts-section.html#dotdebug_005fgdb_005fscripts-section">dotdebug_gdb_scripts section</a>) or were not auto-loaded due to +<code>auto-load safe-path</code> rejection (see <a href="Auto_002dloading.html#Auto_002dloading">Auto-loading</a>). +This is useful because their names are not printed when <small>GDB</small> +tries to load them and fails. There may be many of them, and printing +an error message for each one is problematic. +</p> +<p>If <var>regexp</var> is supplied only Python scripts with matching names are printed. +</p> +<p>Example: +</p> +<div class="smallexample"> +<pre class="smallexample">(gdb) info auto-load python-scripts +Loaded Script +Yes py-section-script.py + full name: /tmp/py-section-script.py +No my-foo-pretty-printers.py +</pre></div> +</dd> +</dl> + +<p>When reading an auto-loaded file or script, <small>GDB</small> sets the +<em>current objfile</em>. This is available via the <code>gdb.current_objfile</code> +function (see <a href="Objfiles-In-Python.html#Objfiles-In-Python">Objfiles In Python</a>). This can be useful for +registering objfile-specific pretty-printers and frame-filters. +</p> +<hr> +<div class="header"> +<p> +Next: <a href="Python-modules.html#Python-modules" accesskey="n" rel="next">Python modules</a>, Previous: <a href="Python-API.html#Python-API" accesskey="p" rel="previous">Python API</a>, Up: <a href="Python.html#Python" accesskey="u" rel="up">Python</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> + + + +</body> +</html> |