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97 lines
4.5 KiB
HTML
97 lines
4.5 KiB
HTML
4 years ago
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<!-- Copyright (C) 1988-2019 Free Software Foundation, Inc.
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Permission is granted to copy, distribute and/or modify this document
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under the terms of the GNU Free Documentation License, Version 1.3 or
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any later version published by the Free Software Foundation; with the
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Invariant Sections being "Free Software" and "Free Software Needs
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Free Documentation", with the Front-Cover Texts being "A GNU Manual,"
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and with the Back-Cover Texts as in (a) below.
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(a) The FSF's Back-Cover Text is: "You are free to copy and modify
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this GNU Manual. Buying copies from GNU Press supports the FSF in
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developing GNU and promoting software freedom." -->
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<!-- Created by GNU Texinfo 6.4, http://www.gnu.org/software/texinfo/ -->
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<head>
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<title>Fortran (Debugging with GDB)</title>
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<meta name="description" content="Fortran (Debugging with GDB)">
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<meta name="keywords" content="Fortran (Debugging with GDB)">
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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<link href="index.html#Top" rel="start" title="Top">
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<link href="Concept-Index.html#Concept-Index" rel="index" title="Concept Index">
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<link href="index.html#SEC_Contents" rel="contents" title="Table of Contents">
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<link href="Supported-Languages.html#Supported-Languages" rel="up" title="Supported Languages">
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<link href="Fortran-Operators.html#Fortran-Operators" rel="next" title="Fortran Operators">
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<link href="OpenCL-C-Operators.html#OpenCL-C-Operators" rel="prev" title="OpenCL C Operators">
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</head>
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<body lang="en">
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<a name="Fortran"></a>
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<div class="header">
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<p>
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Next: <a href="Pascal.html#Pascal" accesskey="n" rel="next">Pascal</a>, Previous: <a href="OpenCL-C.html#OpenCL-C" accesskey="p" rel="prev">OpenCL C</a>, Up: <a href="Supported-Languages.html#Supported-Languages" accesskey="u" rel="up">Supported Languages</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>
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</div>
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<hr>
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<a name="Fortran-1"></a>
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<h4 class="subsection">15.4.6 Fortran</h4>
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<a name="index-Fortran_002dspecific-support-in-GDB"></a>
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<p><small>GDB</small> can be used to debug programs written in Fortran, but it
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currently supports only the features of Fortran 77 language.
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</p>
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<a name="index-trailing-underscore_002c-in-Fortran-symbols"></a>
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<p>Some Fortran compilers (<small>GNU</small> Fortran 77 and Fortran 95 compilers
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among them) append an underscore to the names of variables and
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functions. When you debug programs compiled by those compilers, you
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will need to refer to variables and functions with a trailing
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underscore.
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</p>
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<table class="menu" border="0" cellspacing="0">
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<tr><td align="left" valign="top">• <a href="Fortran-Operators.html#Fortran-Operators" accesskey="1">Fortran Operators</a>:</td><td> </td><td align="left" valign="top">Fortran operators and expressions
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</td></tr>
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<tr><td align="left" valign="top">• <a href="Fortran-Defaults.html#Fortran-Defaults" accesskey="2">Fortran Defaults</a>:</td><td> </td><td align="left" valign="top">Default settings for Fortran
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</td></tr>
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<tr><td align="left" valign="top">• <a href="Special-Fortran-Commands.html#Special-Fortran-Commands" accesskey="3">Special Fortran Commands</a>:</td><td> </td><td align="left" valign="top">Special <small>GDB</small> commands for Fortran
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</td></tr>
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</table>
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</body>
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</html>
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