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113 lines
4.9 KiB
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113 lines
4.9 KiB
HTML
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<title>DBX Hooks (GNU Compiler Collection (GCC) Internals)</title>
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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="File-Names-and-DBX.html#File-Names-and-DBX" rel="next" title="File Names and DBX">
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<a name="DBX-Hooks"></a>
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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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