From a7e4cdca852a596dffe4e7cd2a1b0bd887c5ebec Mon Sep 17 00:00:00 2001 From: Paul Brook Date: Fri, 2 Jul 2004 23:58:41 +0000 Subject: [PATCH] cxxabi_tweaks.h: New file. * config/cpu/arm/cxxabi_tweaks.h: New file. * config/cpu/generic/cxxabi_tweaks.h: New file. From-SVN: r84035 --- libstdc++-v3/config/cpu/arm/cxxabi_tweaks.h | 59 +++++++++++++++++++ .../config/cpu/generic/cxxabi_tweaks.h | 47 +++++++++++++++ 2 files changed, 106 insertions(+) create mode 100644 libstdc++-v3/config/cpu/arm/cxxabi_tweaks.h create mode 100644 libstdc++-v3/config/cpu/generic/cxxabi_tweaks.h diff --git a/libstdc++-v3/config/cpu/arm/cxxabi_tweaks.h b/libstdc++-v3/config/cpu/arm/cxxabi_tweaks.h new file mode 100644 index 00000000000..788bddb4567 --- /dev/null +++ b/libstdc++-v3/config/cpu/arm/cxxabi_tweaks.h @@ -0,0 +1,59 @@ +// 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307, +// 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 significan bit of a 32-bit + // guard variable. */ +#define _GLIBCXX_GUARD_ACQUIRE(x) (!(*(x) & 1)) +#define _GLIBCXX_GUARD_RELEASE(x) *(x) = 1 + typedef int __guard; + + // We also want the element size in array cookies. +#define _GLIBCXX_ELTSIZE_IN_COOKIE 1 + +#else + // The generic ABI uses the first byte of a 64-bit guard variable. +#define _GLIBCXX_GUARD_ACQUIRE(x) (!*(char *) (x)) +#define _GLIBCXX_GUARD_RELEASE(x) *(char *) (x) = 1 + __extension__ typedef int __guard __attribute__((mode (__DI__))); +#endif + +#ifdef __cplusplus +} // namespace __cxxabiv1 +#endif + +#endif // __cxxabiv1 diff --git a/libstdc++-v3/config/cpu/generic/cxxabi_tweaks.h b/libstdc++-v3/config/cpu/generic/cxxabi_tweaks.h new file mode 100644 index 00000000000..983be135be1 --- /dev/null +++ b/libstdc++-v3/config/cpu/generic/cxxabi_tweaks.h @@ -0,0 +1,47 @@ +// Control various target specific ABI tweaks. Generic 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307, +// 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 + + // The generic ABI uses the first byte of a 64-bit guard variable. +#define _GLIBCXX_GUARD_ACQUIRE(x) (!*(char *) (x)) +#define _GLIBCXX_GUARD_RELEASE(x) *(char *) (x) = 1 + __extension__ typedef int __guard __attribute__((mode (__DI__))); + +#ifdef __cplusplus +} // namespace __cxxabiv1 +#endif + +#endif // __cxxabiv1 -- 2.30.2