gcc/libstdc++-v3/config/cpu/arm/cxxabi_tweaks.h
Kelley Cook 83f517994d All files: Update FSF address.
2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>

	* All files: Update FSF address.

From-SVN: r103192
2005-08-17 02:28:44 +00:00

74 lines
2.6 KiB
C++

// Control various target specific ABI tweaks. ARM version.
// Copyright (C) 2004 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING. If not, write to the Free
// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
// USA.
// As a special exception, you may use this file as part of a free software
// library without restriction. Specifically, if other files instantiate
// templates or use macros or inline functions from this file, or you compile
// this file and link it with other files to produce an executable, this
// file does not by itself cause the resulting executable to be covered by
// the GNU General Public License. This exception does not however
// invalidate any other reasons why the executable file might be covered by
// the GNU General Public License.
#ifndef _CXXABI_TWEAKS_H
#define _CXXABI_TWEAKS_H 1
#ifdef __cplusplus
namespace __cxxabiv1
{
#endif
#ifdef __ARM_EABI__
// The ARM EABI uses the least significant bit of a 32-bit
// guard variable. */
#define _GLIBCXX_GUARD_TEST(x) ((*(x) & 1) != 0)
#define _GLIBCXX_GUARD_SET(x) *(x) = 1
typedef int __guard;
// We also want the element size in array cookies.
#define _GLIBCXX_ELTSIZE_IN_COOKIE 1
// __cxa_vec_ctor should return a pointer to the array.
typedef void * __cxa_vec_ctor_return_type;
#define _GLIBCXX_CXA_VEC_CTOR_RETURN(x) return x
// Constructors and destructors return the "this" pointer.
typedef void * __cxa_cdtor_return_type;
#else // __ARM_EABI__
// The generic ABI uses the first byte of a 64-bit guard variable.
#define _GLIBCXX_GUARD_TEST(x) (*(char *) (x) != 0)
#define _GLIBCXX_GUARD_SET(x) *(char *) (x) = 1
__extension__ typedef int __guard __attribute__((mode (__DI__)));
// __cxa_vec_ctor has void return type.
typedef void __cxa_vec_ctor_return_type;
#define _GLIBCXX_CXA_VEC_CTOR_RETURN(x) return
// Constructors and destructors do not return a value.
typedef void __cxa_cdtor_return_type;
#endif //!__ARM_EABI__
#ifdef __cplusplus
} // namespace __cxxabiv1
#endif
#endif // __cxxabiv1