1*e4b17023SJohn Marino // Control various target specific ABI tweaks. Generic version. 2*e4b17023SJohn Marino 3*e4b17023SJohn Marino // Copyright (C) 2004, 2006, 2008, 2009, 2011 Free Software Foundation, Inc. 4*e4b17023SJohn Marino // 5*e4b17023SJohn Marino // This file is part of the GNU ISO C++ Library. This library is free 6*e4b17023SJohn Marino // software; you can redistribute it and/or modify it under the 7*e4b17023SJohn Marino // terms of the GNU General Public License as published by the 8*e4b17023SJohn Marino // Free Software Foundation; either version 3, or (at your option) 9*e4b17023SJohn Marino // any later version. 10*e4b17023SJohn Marino 11*e4b17023SJohn Marino // This library is distributed in the hope that it will be useful, 12*e4b17023SJohn Marino // but WITHOUT ANY WARRANTY; without even the implied warranty of 13*e4b17023SJohn Marino // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14*e4b17023SJohn Marino // GNU General Public License for more details. 15*e4b17023SJohn Marino 16*e4b17023SJohn Marino // Under Section 7 of GPL version 3, you are granted additional 17*e4b17023SJohn Marino // permissions described in the GCC Runtime Library Exception, version 18*e4b17023SJohn Marino // 3.1, as published by the Free Software Foundation. 19*e4b17023SJohn Marino 20*e4b17023SJohn Marino // You should have received a copy of the GNU General Public License and 21*e4b17023SJohn Marino // a copy of the GCC Runtime Library Exception along with this program; 22*e4b17023SJohn Marino // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 23*e4b17023SJohn Marino // <http://www.gnu.org/licenses/>. 24*e4b17023SJohn Marino 25*e4b17023SJohn Marino /** @file bits/cxxabi_tweaks.h 26*e4b17023SJohn Marino * This is an internal header file, included by other library headers. 27*e4b17023SJohn Marino * Do not attempt to use it directly. @headername{cxxabi.h} 28*e4b17023SJohn Marino */ 29*e4b17023SJohn Marino 30*e4b17023SJohn Marino #ifndef _CXXABI_TWEAKS_H 31*e4b17023SJohn Marino #define _CXXABI_TWEAKS_H 1 32*e4b17023SJohn Marino 33*e4b17023SJohn Marino #ifdef __cplusplus 34*e4b17023SJohn Marino namespace __cxxabiv1 35*e4b17023SJohn Marino { 36*e4b17023SJohn Marino extern "C" 37*e4b17023SJohn Marino { 38*e4b17023SJohn Marino #endif 39*e4b17023SJohn Marino 40*e4b17023SJohn Marino // The generic ABI uses the first byte of a 64-bit guard variable. 41*e4b17023SJohn Marino #define _GLIBCXX_GUARD_TEST(x) (*(char *) (x) != 0) 42*e4b17023SJohn Marino #define _GLIBCXX_GUARD_SET(x) *(char *) (x) = 1 43*e4b17023SJohn Marino #define _GLIBCXX_GUARD_BIT __guard_test_bit (0, 1) 44*e4b17023SJohn Marino #define _GLIBCXX_GUARD_PENDING_BIT __guard_test_bit (1, 1) 45*e4b17023SJohn Marino #define _GLIBCXX_GUARD_WAITING_BIT __guard_test_bit (2, 1) 46*e4b17023SJohn Marino __extension__ typedef int __guard __attribute__((mode (__DI__))); 47*e4b17023SJohn Marino 48*e4b17023SJohn Marino // __cxa_vec_ctor has void return type. 49*e4b17023SJohn Marino typedef void __cxa_vec_ctor_return_type; 50*e4b17023SJohn Marino #define _GLIBCXX_CXA_VEC_CTOR_RETURN(x) return 51*e4b17023SJohn Marino // Constructors and destructors do not return a value. 52*e4b17023SJohn Marino typedef void __cxa_cdtor_return_type; 53*e4b17023SJohn Marino 54*e4b17023SJohn Marino #ifdef __cplusplus 55*e4b17023SJohn Marino } 56*e4b17023SJohn Marino } // namespace __cxxabiv1 57*e4b17023SJohn Marino #endif 58*e4b17023SJohn Marino 59*e4b17023SJohn Marino #endif 60