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<div class="title">cxxabi_tweaks.h</div> </div>
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<a href="a00850.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// Control various target specific ABI tweaks. Generic version.</span>
<a name="l00002"></a>00002
<a name="l00003"></a>00003 <span class="comment">// Copyright (C) 2004, 2006, 2008, 2009, 2011 Free Software Foundation, Inc.</span>
<a name="l00004"></a>00004 <span class="comment">//</span>
<a name="l00005"></a>00005 <span class="comment">// This file is part of the GNU ISO C++ Library. This library is free</span>
<a name="l00006"></a>00006 <span class="comment">// software; you can redistribute it and/or modify it under the</span>
<a name="l00007"></a>00007 <span class="comment">// terms of the GNU General Public License as published by the</span>
<a name="l00008"></a>00008 <span class="comment">// Free Software Foundation; either version 3, or (at your option)</span>
<a name="l00009"></a>00009 <span class="comment">// any later version.</span>
<a name="l00010"></a>00010
<a name="l00011"></a>00011 <span class="comment">// This library is distributed in the hope that it will be useful,</span>
<a name="l00012"></a>00012 <span class="comment">// but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00013"></a>00013 <span class="comment">// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span>
<a name="l00014"></a>00014 <span class="comment">// GNU General Public License for more details.</span>
<a name="l00015"></a>00015
<a name="l00016"></a>00016 <span class="comment">// Under Section 7 of GPL version 3, you are granted additional</span>
<a name="l00017"></a>00017 <span class="comment">// permissions described in the GCC Runtime Library Exception, version</span>
<a name="l00018"></a>00018 <span class="comment">// 3.1, as published by the Free Software Foundation.</span>
<a name="l00019"></a>00019
<a name="l00020"></a>00020 <span class="comment">// You should have received a copy of the GNU General Public License and</span>
<a name="l00021"></a>00021 <span class="comment">// a copy of the GCC Runtime Library Exception along with this program;</span>
<a name="l00022"></a>00022 <span class="comment">// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see</span>
<a name="l00023"></a>00023 <span class="comment">// <http://www.gnu.org/licenses/>.</span>
<a name="l00024"></a>00024 <span class="comment"></span>
<a name="l00025"></a>00025 <span class="comment">/** @file bits/cxxabi_tweaks.h</span>
<a name="l00026"></a>00026 <span class="comment"> * This is an internal header file, included by other library headers.</span>
<a name="l00027"></a>00027 <span class="comment"> * Do not attempt to use it directly. @headername{cxxabi.h}</span>
<a name="l00028"></a>00028 <span class="comment"> */</span>
<a name="l00029"></a>00029
<a name="l00030"></a>00030 <span class="preprocessor">#ifndef _CXXABI_TWEAKS_H</span>
<a name="l00031"></a>00031 <span class="preprocessor"></span><span class="preprocessor">#define _CXXABI_TWEAKS_H 1</span>
<a name="l00032"></a>00032 <span class="preprocessor"></span>
<a name="l00033"></a>00033 <span class="preprocessor">#ifdef __cplusplus</span>
<a name="l00034"></a>00034 <span class="preprocessor"></span><span class="keyword">namespace </span>__cxxabiv1
<a name="l00035"></a>00035 {
<a name="l00036"></a>00036 <span class="keyword">extern</span> <span class="stringliteral">"C"</span>
<a name="l00037"></a>00037 {
<a name="l00038"></a>00038 <span class="preprocessor">#endif</span>
<a name="l00039"></a>00039 <span class="preprocessor"></span>
<a name="l00040"></a>00040 <span class="comment">// The generic ABI uses the first byte of a 64-bit guard variable.</span>
<a name="l00041"></a>00041 <span class="preprocessor">#define _GLIBCXX_GUARD_TEST(x) (*(char *) (x) != 0)</span>
<a name="l00042"></a>00042 <span class="preprocessor"></span><span class="preprocessor">#define _GLIBCXX_GUARD_SET(x) *(char *) (x) = 1</span>
<a name="l00043"></a>00043 <span class="preprocessor"></span><span class="preprocessor">#define _GLIBCXX_GUARD_BIT __guard_test_bit (0, 1)</span>
<a name="l00044"></a>00044 <span class="preprocessor"></span><span class="preprocessor">#define _GLIBCXX_GUARD_PENDING_BIT __guard_test_bit (1, 1)</span>
<a name="l00045"></a>00045 <span class="preprocessor"></span><span class="preprocessor">#define _GLIBCXX_GUARD_WAITING_BIT __guard_test_bit (2, 1)</span>
<a name="l00046"></a>00046 <span class="preprocessor"></span> __extension__ <span class="keyword">typedef</span> <span class="keywordtype">int</span> __guard __attribute__((mode (__DI__)));
<a name="l00047"></a>00047
<a name="l00048"></a>00048 <span class="comment">// __cxa_vec_ctor has void return type.</span>
<a name="l00049"></a>00049 <span class="keyword">typedef</span> <span class="keywordtype">void</span> __cxa_vec_ctor_return_type;
<a name="l00050"></a>00050 <span class="preprocessor">#define _GLIBCXX_CXA_VEC_CTOR_RETURN(x) return</span>
<a name="l00051"></a>00051 <span class="preprocessor"></span> <span class="comment">// Constructors and destructors do not return a value.</span>
<a name="l00052"></a>00052 <span class="keyword">typedef</span> <span class="keywordtype">void</span> __cxa_cdtor_return_type;
<a name="l00053"></a>00053
<a name="l00054"></a>00054 <span class="preprocessor">#ifdef __cplusplus</span>
<a name="l00055"></a>00055 <span class="preprocessor"></span> }
<a name="l00056"></a>00056 } <span class="comment">// namespace __cxxabiv1</span>
<a name="l00057"></a>00057 <span class="preprocessor">#endif</span>
<a name="l00058"></a>00058 <span class="preprocessor"></span>
<a name="l00059"></a>00059 <span class="preprocessor">#endif </span>
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