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89 lines
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HTML
89 lines
4.0 KiB
HTML
4 years ago
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<html lang="en">
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<title>DBX Hooks - GNU Compiler Collection (GCC) Internals</title>
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<meta http-equiv="Content-Type" content="text/html">
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<meta name="description" content="GNU Compiler Collection (GCC) Internals">
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<meta name="generator" content="makeinfo 4.13">
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<link title="Top" rel="start" href="index.html#Top">
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<link rel="up" href="Debugging-Info.html#Debugging-Info" title="Debugging Info">
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<link rel="prev" href="DBX-Options.html#DBX-Options" title="DBX Options">
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<link rel="next" href="File-Names-and-DBX.html#File-Names-and-DBX" title="File Names and DBX">
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Copyright (C) 1988-2015 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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(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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</head>
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<body>
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<div class="node">
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<a name="DBX-Hooks"></a>
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<p>
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Next: <a rel="next" accesskey="n" href="File-Names-and-DBX.html#File-Names-and-DBX">File Names and DBX</a>,
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Previous: <a rel="previous" accesskey="p" href="DBX-Options.html#DBX-Options">DBX Options</a>,
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Up: <a rel="up" accesskey="u" href="Debugging-Info.html#Debugging-Info">Debugging Info</a>
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<hr>
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</div>
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<h4 class="subsection">17.21.3 Open-Ended Hooks for DBX Format</h4>
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<!-- prevent bad page break with this line -->
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<p>These are hooks for DBX format.
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<div class="defun">
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— Macro: <b>DBX_OUTPUT_SOURCE_LINE</b> (<var>stream, line, counter</var>)<var><a name="index-DBX_005fOUTPUT_005fSOURCE_005fLINE-4773"></a></var><br>
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<blockquote><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>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></blockquote></div>
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<div class="defun">
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— Macro: <b>NO_DBX_FUNCTION_END</b><var><a name="index-NO_005fDBX_005fFUNCTION_005fEND-4774"></a></var><br>
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<blockquote><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></blockquote></div>
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<div class="defun">
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— Macro: <b>NO_DBX_BNSYM_ENSYM</b><var><a name="index-NO_005fDBX_005fBNSYM_005fENSYM-4775"></a></var><br>
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<blockquote><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></blockquote></div>
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</body></html>
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