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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/objfile_002dgdbdotext-file.html | |
https://developer.arm.com/downloads/-/arm-gnu-toolchain-downloads
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diff --git a/share/doc/gdb/objfile_002dgdbdotext-file.html b/share/doc/gdb/objfile_002dgdbdotext-file.html new file mode 100644 index 0000000..9f03d8a --- /dev/null +++ b/share/doc/gdb/objfile_002dgdbdotext-file.html @@ -0,0 +1,171 @@ +<!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: objfile-gdbdotext file</title> + +<meta name="description" content="Debugging with GDB: objfile-gdbdotext file"> +<meta name="keywords" content="Debugging with GDB: objfile-gdbdotext file"> +<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="Auto_002dloading-extensions.html#Auto_002dloading-extensions" rel="up" title="Auto-loading extensions"> +<link href="dotdebug_005fgdb_005fscripts-section.html#dotdebug_005fgdb_005fscripts-section" rel="next" title="dotdebug_gdb_scripts section"> +<link href="Auto_002dloading-extensions.html#Auto_002dloading-extensions" rel="previous" title="Auto-loading extensions"> +<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="objfile_002dgdbdotext-file"></a> +<div class="header"> +<p> +Next: <a href="dotdebug_005fgdb_005fscripts-section.html#dotdebug_005fgdb_005fscripts-section" accesskey="n" rel="next">dotdebug_gdb_scripts section</a>, Up: <a href="Auto_002dloading-extensions.html#Auto_002dloading-extensions" accesskey="u" rel="up">Auto-loading extensions</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="The-objfile_002dgdb_002eext-file"></a> +<h4 class="subsection">23.5.1 The <samp><var>objfile</var>-gdb.<var>ext</var></samp> file</h4> +<a name="index-objfile_002dgdb_002egdb"></a> +<a name="index-objfile_002dgdb_002epy"></a> +<a name="index-objfile_002dgdb_002escm"></a> + +<p>When a new object file is read, <small>GDB</small> looks for a file named +<samp><var>objfile</var>-gdb.<var>ext</var></samp> (we call it <var>script-name</var> below), +where <var>objfile</var> is the object file’s name and +where <var>ext</var> is the file extension for the extension language: +</p> +<dl compact="compact"> +<dt><code><samp><var>objfile</var>-gdb.gdb</samp></code></dt> +<dd><p>GDB’s own command language +</p></dd> +<dt><code><samp><var>objfile</var>-gdb.py</samp></code></dt> +<dd><p>Python +</p></dd> +<dt><code><samp><var>objfile</var>-gdb.scm</samp></code></dt> +<dd><p>Guile +</p></dd> +</dl> + +<p><var>script-name</var> is formed by ensuring that the file name of <var>objfile</var> +is absolute, following all symlinks, and resolving <code>.</code> and <code>..</code> +components, and appending the <samp>-gdb.<var>ext</var></samp> suffix. +If this file exists and is readable, <small>GDB</small> will evaluate it as a +script in the specified extension language. +</p> +<p>If this file does not exist, then <small>GDB</small> will look for +<var>script-name</var> file in all of the directories as specified below. +(On MS-Windows/MS-DOS, the drive letter of the executable’s leading +directories is converted to a one-letter subdirectory, i.e. +<samp>d:/usr/bin/</samp> is converted to <samp>/d/usr/bin/</samp>, because Windows +filesystems disallow colons in file names.) +</p> +<p>Note that loading of these files requires an accordingly configured +<code>auto-load safe-path</code> (see <a href="Auto_002dloading-safe-path.html#Auto_002dloading-safe-path">Auto-loading safe path</a>). +</p> +<p>For object files using <samp>.exe</samp> suffix <small>GDB</small> tries to load first the +scripts normally according to its <samp>.exe</samp> filename. But if no scripts are +found <small>GDB</small> also tries script filenames matching the object file without +its <samp>.exe</samp> suffix. This <samp>.exe</samp> stripping is case insensitive and it +is attempted on any platform. This makes the script filenames compatible +between Unix and MS-Windows hosts. +</p> +<dl compact="compact"> +<dd><a name="set-auto_002dload-scripts_002ddirectory"></a><a name="index-set-auto_002dload-scripts_002ddirectory"></a> +</dd> +<dt><code>set auto-load scripts-directory <span class="roman">[</span><var>directories</var><span class="roman">]</span></code></dt> +<dd><p>Control <small>GDB</small> auto-loaded scripts location. Multiple directory entries +may be delimited by the host platform path separator in use +(‘<samp>:</samp>’ on Unix, ‘<samp>;</samp>’ on MS-Windows and MS-DOS). +</p> +<p>Each entry here needs to be covered also by the security setting +<code>set auto-load safe-path</code> (see <a href="Auto_002dloading-safe-path.html#set-auto_002dload-safe_002dpath">set auto-load safe-path</a>). +</p> +<a name="with_002dauto_002dload_002ddir"></a><p>This variable defaults to <samp>$debugdir:$datadir/auto-load</samp>. The default +<code>set auto-load safe-path</code> value can be also overriden by <small>GDB</small> +configuration option <samp>--with-auto-load-dir</samp>. +</p> +<p>Any reference to <samp>$debugdir</samp> will get replaced by +<var>debug-file-directory</var> value (see <a href="Separate-Debug-Files.html#Separate-Debug-Files">Separate Debug Files</a>) and any +reference to <samp>$datadir</samp> will get replaced by <var>data-directory</var> which is +determined at <small>GDB</small> startup (see <a href="Data-Files.html#Data-Files">Data Files</a>). <samp>$debugdir</samp> and +<samp>$datadir</samp> must be placed as a directory component — either alone or +delimited by <samp>/</samp> or <samp>\</samp> directory separators, depending on the host +platform. +</p> +<p>The list of directories uses path separator (‘<samp>:</samp>’ on GNU and Unix +systems, ‘<samp>;</samp>’ on MS-Windows and MS-DOS) to separate directories, similarly +to the <code>PATH</code> environment variable. +</p> +<a name="show-auto_002dload-scripts_002ddirectory"></a><a name="index-show-auto_002dload-scripts_002ddirectory"></a> +</dd> +<dt><code>show auto-load scripts-directory</code></dt> +<dd><p>Show <small>GDB</small> auto-loaded scripts location. +</p> +<a name="add_002dauto_002dload_002dscripts_002ddirectory"></a><a name="index-add_002dauto_002dload_002dscripts_002ddirectory"></a> +</dd> +<dt><code>add-auto-load-scripts-directory <span class="roman">[</span><var>directories</var>…<span class="roman">]</span></code></dt> +<dd><p>Add an entry (or list of entries) to the list of auto-loaded scripts locations. +Multiple entries may be delimited by the host platform path separator in use. +</p></dd> +</dl> + +<p><small>GDB</small> does not track which files it has already auto-loaded this way. +<small>GDB</small> will load the associated script every time the corresponding +<var>objfile</var> is opened. +So your <samp>-gdb.<var>ext</var></samp> file should be careful to avoid errors if it +is evaluated more than once. +</p> +<hr> +<div class="header"> +<p> +Next: <a href="dotdebug_005fgdb_005fscripts-section.html#dotdebug_005fgdb_005fscripts-section" accesskey="n" rel="next">dotdebug_gdb_scripts section</a>, Up: <a href="Auto_002dloading-extensions.html#Auto_002dloading-extensions" accesskey="u" rel="up">Auto-loading extensions</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> |