83f517994d
2005-08-17 Kelley Cook <kcook@gcc.gnu.org> * All files: Update FSF address. From-SVN: r103192
74 lines
2.6 KiB
C++
74 lines
2.6 KiB
C++
// Control various target specific ABI tweaks. ARM version.
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// Copyright (C) 2004 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 2, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING. If not, write to the Free
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// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
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// USA.
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// As a special exception, you may use this file as part of a free software
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// library without restriction. Specifically, if other files instantiate
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// templates or use macros or inline functions from this file, or you compile
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// this file and link it with other files to produce an executable, this
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// file does not by itself cause the resulting executable to be covered by
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// the GNU General Public License. This exception does not however
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// invalidate any other reasons why the executable file might be covered by
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// the GNU General Public License.
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#ifndef _CXXABI_TWEAKS_H
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#define _CXXABI_TWEAKS_H 1
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#ifdef __cplusplus
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namespace __cxxabiv1
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{
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#endif
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#ifdef __ARM_EABI__
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// The ARM EABI uses the least significant bit of a 32-bit
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// guard variable. */
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#define _GLIBCXX_GUARD_TEST(x) ((*(x) & 1) != 0)
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#define _GLIBCXX_GUARD_SET(x) *(x) = 1
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typedef int __guard;
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// We also want the element size in array cookies.
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#define _GLIBCXX_ELTSIZE_IN_COOKIE 1
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// __cxa_vec_ctor should return a pointer to the array.
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typedef void * __cxa_vec_ctor_return_type;
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#define _GLIBCXX_CXA_VEC_CTOR_RETURN(x) return x
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// Constructors and destructors return the "this" pointer.
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typedef void * __cxa_cdtor_return_type;
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#else // __ARM_EABI__
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// The generic ABI uses the first byte of a 64-bit guard variable.
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#define _GLIBCXX_GUARD_TEST(x) (*(char *) (x) != 0)
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#define _GLIBCXX_GUARD_SET(x) *(char *) (x) = 1
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__extension__ typedef int __guard __attribute__((mode (__DI__)));
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// __cxa_vec_ctor has void return type.
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typedef void __cxa_vec_ctor_return_type;
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#define _GLIBCXX_CXA_VEC_CTOR_RETURN(x) return
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// Constructors and destructors do not return a value.
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typedef void __cxa_cdtor_return_type;
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#endif //!__ARM_EABI__
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#ifdef __cplusplus
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} // namespace __cxxabiv1
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#endif
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#endif // __cxxabiv1
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