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113 lines
4.9 KiB
HTML
113 lines
4.9 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) 1988-2018 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 "Funding Free Software", the Front-Cover
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Texts being (a) (see below), and with the Back-Cover Texts being (b)
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(see below). A copy of the license is included in the section entitled
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"GNU Free Documentation License".
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(a) The FSF's Front-Cover Text is:
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A GNU Manual
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(b) The FSF's Back-Cover Text is:
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You have freedom to copy and modify this GNU Manual, like GNU
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software. Copies published by the Free Software Foundation raise
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funds for GNU development. -->
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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>DBX Hooks (GNU Compiler Collection (GCC) Internals)</title>
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<meta name="description" content="DBX Hooks (GNU Compiler Collection (GCC) Internals)">
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<meta name="keywords" content="DBX Hooks (GNU Compiler Collection (GCC) Internals)">
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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="Option-Index.html#Option-Index" rel="index" title="Option Index">
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<link href="index.html#SEC_Contents" rel="contents" title="Table of Contents">
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<link href="Debugging-Info.html#Debugging-Info" rel="up" title="Debugging Info">
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<link href="File-Names-and-DBX.html#File-Names-and-DBX" rel="next" title="File Names and DBX">
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<link href="DBX-Options.html#DBX-Options" rel="prev" title="DBX Options">
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</style>
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</head>
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<body lang="en">
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<a name="DBX-Hooks"></a>
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<div class="header">
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<p>
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Next: <a href="File-Names-and-DBX.html#File-Names-and-DBX" accesskey="n" rel="next">File Names and DBX</a>, Previous: <a href="DBX-Options.html#DBX-Options" accesskey="p" rel="prev">DBX Options</a>, Up: <a href="Debugging-Info.html#Debugging-Info" accesskey="u" rel="up">Debugging Info</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Option-Index.html#Option-Index" title="Index" rel="index">Index</a>]</p>
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</div>
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<hr>
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<a name="Open_002dEnded-Hooks-for-DBX-Format"></a>
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<h4 class="subsection">18.21.3 Open-Ended Hooks for DBX Format</h4>
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<p>These are hooks for DBX format.
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</p>
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<dl>
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<dt><a name="index-DBX_005fOUTPUT_005fSOURCE_005fLINE"></a>Macro: <strong>DBX_OUTPUT_SOURCE_LINE</strong> <em>(<var>stream</var>, <var>line</var>, <var>counter</var>)</em></dt>
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<dd><p>A C statement to output DBX debugging information before code for line
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number <var>line</var> of the current source file to the stdio stream
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<var>stream</var>. <var>counter</var> is the number of time the macro was
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invoked, including the current invocation; it is intended to generate
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unique labels in the assembly output.
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</p>
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<p>This macro should not be defined if the default output is correct, or
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if it can be made correct by defining <code>DBX_LINES_FUNCTION_RELATIVE</code>.
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</p></dd></dl>
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<dl>
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<dt><a name="index-NO_005fDBX_005fFUNCTION_005fEND"></a>Macro: <strong>NO_DBX_FUNCTION_END</strong></dt>
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<dd><p>Some stabs encapsulation formats (in particular ECOFF), cannot handle the
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<code>.stabs "",N_FUN,,0,0,Lscope-function-1</code> gdb dbx extension construct.
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On those machines, define this macro to turn this feature off without
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disturbing the rest of the gdb extensions.
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</p></dd></dl>
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<dl>
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<dt><a name="index-NO_005fDBX_005fBNSYM_005fENSYM"></a>Macro: <strong>NO_DBX_BNSYM_ENSYM</strong></dt>
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<dd><p>Some assemblers cannot handle the <code>.stabd BNSYM/ENSYM,0,0</code> gdb dbx
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extension construct. On those machines, define this macro to turn this
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feature off without disturbing the rest of the gdb extensions.
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</p></dd></dl>
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</body>
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</html>
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