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/* Copyright (C) 2013 Yann E. MORIN <yann.morin.1998@free.fr>
*
* This file is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This file 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with the GNU C Library; if not, see
* <http://www.gnu.org/licenses/>.
*/
#ifndef _ARM_BX_H
#define _ARM_BX_H
/* We need features.h first */
#if !defined _FEATURES_H
#error Please include features.h first
#endif /* features.h not yet included */
#if defined(__USE_BX__)
# if (__ARM_ARCH <= 4 && !defined __ARM_ARCH_4T__)
# error Use of BX was requested, but is not available on the target processor.
# endif /* ARCH level */
#endif /* __USE_BX__ */
#if defined(__USE_BX__) && (__ARM_ARCH > 4 || (__ARM_ARCH == 4 && defined __ARM_ARCH_4T__))
# define BX(reg) bx reg
# define BXC(cond, reg) bx##cond reg
#else
# define BX(reg) mov pc, reg
# define BXC(cond, reg) mov##cond pc, reg
#endif
#endif /* _ARM_BX_H */
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