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  1. <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">

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  18. <title>Fortran (Debugging with GDB)</title>

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  28. <link href="Supported-Languages.html#Supported-Languages" rel="up" title="Supported Languages">

  29. <link href="Fortran-Operators.html#Fortran-Operators" rel="next" title="Fortran Operators">

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  63. <a name="Fortran"></a>

  64. <div class="header">

  65. <p>

  66. 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> &nbsp; [<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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  68. <hr>

  69. <a name="Fortran-1"></a>

  70. <h4 class="subsection">15.4.6 Fortran</h4>

  71. <a name="index-Fortran_002dspecific-support-in-GDB"></a>

  72. 

  73. <p><small>GDB</small> can be used to debug programs written in Fortran, but it

  74. currently supports only the features of Fortran 77 language.

  75. </p>

  76. <a name="index-trailing-underscore_002c-in-Fortran-symbols"></a>

  77. <p>Some Fortran compilers (<small>GNU</small> Fortran 77 and Fortran 95 compilers

  78. among them) append an underscore to the names of variables and

  79. functions.  When you debug programs compiled by those compilers, you

  80. will need to refer to variables and functions with a trailing

  81. underscore.

  82. </p>

  83. <table class="menu" border="0" cellspacing="0">

  84. <tr><td align="left" valign="top">&bull; <a href="Fortran-Operators.html#Fortran-Operators" accesskey="1">Fortran Operators</a>:</td><td>&nbsp;&nbsp;</td><td align="left" valign="top">Fortran operators and expressions

  85. </td></tr>

  86. <tr><td align="left" valign="top">&bull; <a href="Fortran-Defaults.html#Fortran-Defaults" accesskey="2">Fortran Defaults</a>:</td><td>&nbsp;&nbsp;</td><td align="left" valign="top">Default settings for Fortran

  87. </td></tr>

  88. <tr><td align="left" valign="top">&bull; <a href="Special-Fortran-Commands.html#Special-Fortran-Commands" accesskey="3">Special Fortran Commands</a>:</td><td>&nbsp;&nbsp;</td><td align="left" valign="top">Special <small>GDB</small> commands for Fortran

  89. </td></tr>

  90. </table>

  91. 

  92. 

  93. 

  94. 

  95. </body>

  96. </html>