44 lines
1.5 KiB
C
44 lines
1.5 KiB
C
/* Macros to test for CPU features on ARM. NaCl version.
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Copyright (C) 2015-2017 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library. If not, see
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<http://www.gnu.org/licenses/>. */
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#ifndef _NACL_ARM_FEATURES_H
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#define _NACL_ARM_FEATURES_H 1
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#ifdef __SOFTFP__
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# error NaCl should always have VFP enabled
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#endif
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/* NaCl does not support iWMMXt at all. */
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#define ARM_ASSUME_NO_IWMMXT 1
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/* NaCl does not allow instructions to target the pc register. */
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#define ARM_ALWAYS_BX 1
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/* Computed branch targets must be bundle-aligned, which is to 16 bytes. */
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#define ARM_BX_ALIGN_LOG2 4
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/* Two-register addressing modes are never allowed. */
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#define ARM_NO_INDEX_REGISTER 1
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/* Only ARM mode code is allowed, never Thumb mode. */
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#define NO_THUMB
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#include_next <arm-features.h>
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#endif /* arm-features.h */
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