/usr/msp430/include/bits/byteswap.h is in msp430-libc 20120224-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 | /* Copyright (c) 2010 People Power Co.
* All rights reserved.
*
* This open source code was developed with funding from People Power Company
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the
* distribution.
* - Neither the name of the People Power Corporation nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* PEOPLE POWER CO. OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE
*
*/
#ifndef _BITS_BYTESWAP_H_
#define _BITS_BYTESWAP_H_
#include <stdint.h>
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#define __bswap_16(x) (__extension__ \
({ \
register uint16_t __v, __x = (x); \
__asm__("swpb %0" : "=r"(__v) : "0"(__x)); \
__v; }))
/* These could be made inline, but the parameters are passed in
* multiple registers, and it's just too gross for words. */
extern uint32_t __bswap_32 (uint32_t v) __attribute__((__const__));
extern uint64_t __bswap_64 (uint64_t v) __attribute__((__const__));
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* _BITS_BYTESWAP_H_ */
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