1219576Skargl/* This file is automatically generated.  DO NOT EDIT! */
2219576Skargl/* Generated from: NetBSD: mknative-gcc,v 1.113 2021/04/11 01:44:14 mrg Exp  */
3219576Skargl/* Generated from: NetBSD: mknative.common,v 1.16 2018/04/15 15:13:37 christos Exp  */
4219576Skargl
5219576Skargl// Control various target specific ABI tweaks.  Generic version.
6219576Skargl
7219576Skargl// Copyright (C) 2004-2020 Free Software Foundation, Inc.
8219576Skargl//
9219576Skargl// This file is part of the GNU ISO C++ Library.  This library is free
10219576Skargl// software; you can redistribute it and/or modify it under the
11219576Skargl// terms of the GNU General Public License as published by the
12219576Skargl// Free Software Foundation; either version 3, or (at your option)
13219576Skargl// any later version.
14219576Skargl
15219576Skargl// This library is distributed in the hope that it will be useful,
16219576Skargl// but WITHOUT ANY WARRANTY; without even the implied warranty of
17219576Skargl// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18219576Skargl// GNU General Public License for more details.
19219576Skargl
20219576Skargl// Under Section 7 of GPL version 3, you are granted additional
21238924Skargl// permissions described in the GCC Runtime Library Exception, version
22219576Skargl// 3.1, as published by the Free Software Foundation.
23238924Skargl
24219576Skargl// You should have received a copy of the GNU General Public License and
25219576Skargl// a copy of the GCC Runtime Library Exception along with this program;
26219576Skargl// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
27219576Skargl// <http://www.gnu.org/licenses/>.
28219576Skargl
29219576Skargl/** @file bits/cxxabi_tweaks.h
30219576Skargl *  This is an internal header file, included by other library headers.
31219576Skargl *  Do not attempt to use it directly. @headername{cxxabi.h}
32219576Skargl */
33219576Skargl
34219576Skargl#ifndef _CXXABI_TWEAKS_H
35219576Skargl#define _CXXABI_TWEAKS_H 1
36219576Skargl
37219576Skargl#ifdef __cplusplus
38219576Skarglnamespace __cxxabiv1
39219576Skargl{
40219576Skargl  extern "C"
41219576Skargl  {
42219576Skargl#endif
43219576Skargl
44219576Skargl  // The generic ABI uses the first byte of a 64-bit guard variable.
45219576Skargl#define _GLIBCXX_GUARD_TEST(x) (*(char *) (x) != 0)
46219576Skargl#define _GLIBCXX_GUARD_SET(x) *(char *) (x) = 1
47219576Skargl#define _GLIBCXX_GUARD_BIT __guard_test_bit (0, 1)
48219576Skargl#define _GLIBCXX_GUARD_PENDING_BIT __guard_test_bit (1, 1)
49219576Skargl#define _GLIBCXX_GUARD_WAITING_BIT __guard_test_bit (2, 1)
50219576Skargl  __extension__ typedef int __guard __attribute__((mode (__DI__)));
51219576Skargl
52219576Skargl  // __cxa_vec_ctor has void return type.
53219576Skargl  typedef void __cxa_vec_ctor_return_type;
54219576Skargl#define _GLIBCXX_CXA_VEC_CTOR_RETURN(x) return
55219576Skargl  // Constructors and destructors do not return a value.
56238782Skargl  typedef void __cxa_cdtor_return_type;
57219576Skargl
58219576Skargl#ifdef __cplusplus
59238782Skargl  }
60238782Skargl} // namespace __cxxabiv1
61219576Skargl#endif
62219576Skargl
63219576Skargl#endif
64219576Skargl