| xf.li | bfc6e71 | 2025-02-07 01:54:34 -0800 | [diff] [blame^] | 1 | /* Macros to test for CPU features on ARM. NaCl version. |
| 2 | Copyright (C) 2015-2016 Free Software Foundation, Inc. |
| 3 | This file is part of the GNU C Library. |
| 4 | |
| 5 | The GNU C Library is free software; you can redistribute it and/or |
| 6 | modify it under the terms of the GNU Lesser General Public |
| 7 | License as published by the Free Software Foundation; either |
| 8 | version 2.1 of the License, or (at your option) any later version. |
| 9 | |
| 10 | The GNU C Library is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | Lesser General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU Lesser General Public |
| 16 | License along with the GNU C Library. If not, see |
| 17 | <http://www.gnu.org/licenses/>. */ |
| 18 | |
| 19 | #ifndef _NACL_ARM_FEATURES_H |
| 20 | #define _NACL_ARM_FEATURES_H 1 |
| 21 | |
| 22 | #ifdef __SOFTFP__ |
| 23 | # error NaCl should always have VFP enabled |
| 24 | #endif |
| 25 | |
| 26 | /* NaCl does not support iWMMXt at all. */ |
| 27 | #define ARM_ASSUME_NO_IWMMXT 1 |
| 28 | |
| 29 | /* NaCl does not allow instructions to target the pc register. */ |
| 30 | #define ARM_ALWAYS_BX 1 |
| 31 | |
| 32 | /* Computed branch targets must be bundle-aligned, which is to 16 bytes. */ |
| 33 | #define ARM_BX_ALIGN_LOG2 4 |
| 34 | |
| 35 | /* Two-register addressing modes are never allowed. */ |
| 36 | #define ARM_NO_INDEX_REGISTER 1 |
| 37 | |
| 38 | /* Only ARM mode code is allowed, never Thumb mode. */ |
| 39 | #define NO_THUMB |
| 40 | |
| 41 | #include_next <arm-features.h> |
| 42 | |
| 43 | #endif /* arm-features.h */ |