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Diffstat (limited to 'sysdeps/arm/nacl/arm-features.h')
| -rw-r--r-- | sysdeps/arm/nacl/arm-features.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/sysdeps/arm/nacl/arm-features.h b/sysdeps/arm/nacl/arm-features.h new file mode 100644 index 0000000000..b00cfdbfa5 --- /dev/null +++ b/sysdeps/arm/nacl/arm-features.h @@ -0,0 +1,43 @@ +/* Macros to test for CPU features on ARM. NaCl version. + Copyright (C) 2015 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library 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. + + The GNU C 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 + 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 _NACL_ARM_FEATURES_H +#define _NACL_ARM_FEATURES_H 1 + +#ifdef __SOFTFP__ +# error NaCl should always have VFP enabled +#endif + +/* NaCl does not support iWMMXt at all. */ +#define ARM_ASSUME_NO_IWMMXT 1 + +/* NaCl does not allow instructions to target the pc register. */ +#define ARM_ALWAYS_BX 1 + +/* Computed branch targets must be bundle-aligned, which is to 16 bytes. */ +#define ARM_BX_ALIGN_LOG2 4 + +/* Two-register addressing modes are never allowed. */ +#define ARM_NO_INDEX_REGISTER 1 + +/* Only ARM mode code is allowed, never Thumb mode. */ +#define NO_THUMB + +#include_next <arm-features.h> + +#endif /* arm-features.h */ |