Merge "Refresh endian.h"

This commit is contained in:
Andrew Hsieh
2012-12-05 21:28:13 -08:00
committed by Gerrit Code Review
6 changed files with 154 additions and 3 deletions

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@@ -0,0 +1,84 @@
/* $OpenBSD: endian.h,v 1.3 2005/12/13 00:35:23 millert Exp $ */
/*
* Copyright (C) 2010 The Android Open Source Project
* All rights reserved.
*
* 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.
*
* 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
* COPYRIGHT OWNER OR 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 _ARM_ENDIAN_H_
#define _ARM_ENDIAN_H_
#ifdef __GNUC__
/*
* REV and REV16 weren't available on ARM5 or ARM4.
* We don't include <machine/cpu-features.h> because it pollutes the
* namespace with macros like PLD.
*/
#if !defined __ARM_ARCH_5__ && !defined __ARM_ARCH_5T__ && \
!defined __ARM_ARCH_5TE__ && !defined __ARM_ARCH_5TEJ__ && \
!defined __ARM_ARCH_4T__ && !defined __ARM_ARCH_4__
/* According to RealView Assembler User's Guide, REV and REV16 are available
* in Thumb code and 16-bit instructions when used in Thumb-2 code.
*
* REV Rd, Rm
* Rd and Rm must both be Lo registers.
*
* REV16 Rd, Rm
* Rd and Rm must both be Lo registers.
*
* The +l constraint takes care of this without constraining us in ARM mode.
*/
#define __swap16md(x) ({ \
register u_int16_t _x = (x); \
__asm volatile ("rev16 %0, %0" : "+l" (_x)); \
_x; \
})
#define __swap32md(x) ({ \
register u_int32_t _x = (x); \
__asm volatile ("rev %0, %0" : "+l" (_x)); \
_x; \
})
#define __swap64md(x) ({ \
u_int64_t _swap64md_x = (x); \
(u_int64_t) __swap32md(_swap64md_x >> 32) | \
(u_int64_t) __swap32md(_swap64md_x & 0xffffffff) << 32; \
})
/* Tell sys/endian.h we have MD variants of the swap macros. */
#define MD_SWAP
#endif /* __ARM_ARCH__ */
#endif /* __GNUC__ */
#define __STRICT_ALIGNMENT
#include <sys/types.h>
#include <sys/endian.h>
#endif /* !_ARM_ENDIAN_H_ */

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@@ -116,7 +116,7 @@ typedef int __rune_t;
typedef void * __wctrans_t;
typedef void * __wctype_t;
#ifdef __ARMEB__
#if defined(__ARMEB__)
#define _BYTE_ORDER _BIG_ENDIAN
#else
#define _BYTE_ORDER _LITTLE_ENDIAN

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@@ -0,0 +1,65 @@
/* $OpenBSD: endian.h,v 1.5 2006/02/27 23:35:59 miod Exp $ */
/*
* Copyright (c) 2001-2002 Opsycon AB (www.opsycon.se / www.opsycon.com)
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 _MIPS64_ENDIAN_H_
#define _MIPS64_ENDIAN_H_
#ifdef __GNUC__
#if defined(__mips_isa_rev) && (__mips_isa_rev >= 2)
#define __swap16md(x) ({ \
register uint16_t _x = (x); \
register uint16_t _r; \
__asm volatile ("wsbh %0, %1" : "=r" (_r) : "r" (_x)); \
_r; \
})
#define __swap32md(x) ({ \
register uint32_t _x = (x); \
register uint32_t _r; \
__asm volatile ("wsbh %0, %1; rotr %0, %0, 16" : "=r" (_r) : "r" (_x)); \
_r; \
})
#define __swap64md(x) ({ \
uint64_t _swap64md_x = (x); \
(uint64_t) __swap32md(_swap64md_x >> 32) | \
(uint64_t) __swap32md(_swap64md_x & 0xffffffff) << 32; \
})
/* Tell sys/endian.h we have MD variants of the swap macros. */
#define MD_SWAP
#endif /* __mips32r2__ */
#endif /* __GNUC__ */
#define __STRICT_ALIGNMENT
#include <sys/types.h>
#include <sys/endian.h>
#endif /* _MIPS64_ENDIAN_H_ */

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@@ -124,7 +124,7 @@ typedef int __rune_t;
typedef void * __wctrans_t;
typedef void * __wctype_t;
#ifdef __MIPSEB__
#if defined(__MIPSEB__)
#define _BYTE_ORDER _BIG_ENDIAN
#else
#define _BYTE_ORDER _LITTLE_ENDIAN

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@@ -64,7 +64,7 @@
#endif /* __GNUC__ */
#define _BYTE_ORDER _LITTLE_ENDIAN
#include <sys/types.h>
#include <sys/endian.h>
#endif /* _I386_ENDIAN_H_ */

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@@ -132,4 +132,6 @@ typedef void * __wctype_t;
#define __HAVE_CPUINFO
#define __HAVE_MUTEX
#define _BYTE_ORDER _LITTLE_ENDIAN
#endif /* _I386__TYPES_H_ */