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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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