<!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>Special Fortran Commands (Debugging with GDB)</title> <meta name="description" content="Special Fortran Commands (Debugging with GDB)"> <meta name="keywords" content="Special Fortran Commands (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="Fortran.html#Fortran" rel="up" title="Fortran"> <link href="Pascal.html#Pascal" rel="next" title="Pascal"> <link href="Fortran-Defaults.html#Fortran-Defaults" rel="prev" title="Fortran Defaults"> <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="Special-Fortran-Commands"></a> <div class="header"> <p> Previous: <a href="Fortran-Defaults.html#Fortran-Defaults" accesskey="p" rel="prev">Fortran Defaults</a>, Up: <a href="Fortran.html#Fortran" accesskey="u" rel="up">Fortran</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="Special-Fortran-Commands-1"></a> <h4 class="subsubsection">15.4.6.3 Special Fortran Commands</h4> <a name="index-Special-Fortran-commands"></a> <p><small>GDB</small> has some commands to support Fortran-specific features, such as displaying common blocks. </p> <dl compact="compact"> <dd><a name="index-COMMON-blocks_002c-Fortran"></a> <a name="index-info-common"></a> </dd> <dt><code>info common <span class="roman">[</span><var>common-name</var><span class="roman">]</span></code></dt> <dd><p>This command prints the values contained in the Fortran <code>COMMON</code> block whose name is <var>common-name</var>. With no argument, the names of all <code>COMMON</code> blocks visible at the current program location are printed. </p></dd> </dl> </body> </html>