265 lines
5.1 KiB
C
265 lines
5.1 KiB
C
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/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License (the "License").
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* You may not use this file except in compliance with the License.
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*
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* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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* or http://www.opensolaris.org/os/licensing.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* information: Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*/
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/*
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* Copyright 2007 Sun Microsystems, Inc. All rights reserved.
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* Use is subject to license terms.
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*/
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#ifndef _SYS_ISA_DEFS_H
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#define _SYS_ISA_DEFS_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* x86_64 arch specific defines */
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#if defined(__x86_64) || defined(__x86_64__)
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#if !defined(__x86_64)
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#define __x86_64
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#endif
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#if !defined(__amd64)
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#define __amd64
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#endif
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#if !defined(__x86)
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#define __x86
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#endif
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#if defined(_ILP32)
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/* x32-specific defines; careful to *not* define _LP64 here */
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#else
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#if !defined(_LP64)
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#define _LP64
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#endif
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#endif
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#if !defined(_ZFS_LITTLE_ENDIAN)
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#define _ZFS_LITTLE_ENDIAN
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#endif
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#define _SUNOS_VTOC_16
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#define HAVE_EFFICIENT_UNALIGNED_ACCESS
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/* i386 arch specific defines */
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#elif defined(__i386) || defined(__i386__)
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#if !defined(__i386)
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#define __i386
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#endif
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#if !defined(__x86)
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#define __x86
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#endif
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#if !defined(_ILP32)
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#define _ILP32
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#endif
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#if !defined(_ZFS_LITTLE_ENDIAN)
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#define _ZFS_LITTLE_ENDIAN
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#endif
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#define _SUNOS_VTOC_16
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#define HAVE_EFFICIENT_UNALIGNED_ACCESS
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/* powerpc arch specific defines */
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#elif defined(__powerpc) || defined(__powerpc__) || defined(__powerpc64__)
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#if !defined(__powerpc)
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#define __powerpc
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#endif
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#if !defined(__powerpc__)
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#define __powerpc__
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#endif
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#if defined(__powerpc64__)
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#if !defined(_LP64)
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#define _LP64
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#endif
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#else
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#if !defined(_ILP32)
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#define _ILP32
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#endif
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#endif
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#define _SUNOS_VTOC_16
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#define HAVE_EFFICIENT_UNALIGNED_ACCESS
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#if defined(__BYTE_ORDER)
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#if defined(__BIG_ENDIAN) && __BYTE_ORDER == __BIG_ENDIAN
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#define _ZFS_BIG_ENDIAN
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#elif defined(__LITTLE_ENDIAN) && __BYTE_ORDER == __LITTLE_ENDIAN
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#define _ZFS_LITTLE_ENDIAN
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#endif
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#elif defined(_BYTE_ORDER)
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#if defined(_BIG_ENDIAN) && _BYTE_ORDER == _BIG_ENDIAN
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#define _ZFS_BIG_ENDIAN
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#elif defined(_LITTLE_ENDIAN) && _BYTE_ORDER == _LITTLE_ENDIAN
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#define _ZFS_LITTLE_ENDIAN
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#endif
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#elif defined(_BIG_ENDIAN) && !defined(_LITTLE_ENDIAN)
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#define _ZFS_BIG_ENDIAN
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#elif defined(_LITTLE_ENDIAN) && !defined(_BIG_ENDIAN)
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#define _ZFS_LITTLE_ENDIAN
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#endif
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/* arm arch specific defines */
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#elif defined(__arm) || defined(__arm__) || defined(__aarch64__)
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#if !defined(__arm)
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#define __arm
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#endif
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#if !defined(__arm__)
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#define __arm__
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#endif
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#if defined(__aarch64__)
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#if !defined(_LP64)
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#define _LP64
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#endif
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#else
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#if !defined(_ILP32)
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#define _ILP32
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#endif
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#endif
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#if defined(__ARMEL__) || defined(__AARCH64EL__)
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#define _ZFS_LITTLE_ENDIAN
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#else
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#define _ZFS_BIG_ENDIAN
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#endif
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#define _SUNOS_VTOC_16
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#if defined(__ARM_FEATURE_UNALIGNED)
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#define HAVE_EFFICIENT_UNALIGNED_ACCESS
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#endif
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/* sparc arch specific defines */
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#elif defined(__sparc) || defined(__sparc__)
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#if !defined(__sparc)
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#define __sparc
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#endif
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#if !defined(__sparc__)
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#define __sparc__
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#endif
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#define _ZFS_BIG_ENDIAN
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#define _SUNOS_VTOC_16
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#if defined(__arch64__)
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#if !defined(_LP64)
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#define _LP64
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#endif
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#else
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#if !defined(_ILP32)
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#define _ILP32
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#endif
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#endif
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/* s390 arch specific defines */
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#elif defined(__s390__)
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#if defined(__s390x__)
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#if !defined(_LP64)
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#define _LP64
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#endif
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#else
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#if !defined(_ILP32)
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#define _ILP32
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#endif
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#endif
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#define _ZFS_BIG_ENDIAN
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#define _SUNOS_VTOC_16
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/* MIPS arch specific defines */
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#elif defined(__mips__)
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#if defined(__MIPSEB__)
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#define _ZFS_BIG_ENDIAN
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#elif defined(__MIPSEL__)
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#define _ZFS_LITTLE_ENDIAN
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#else
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#error MIPS no endian specified
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#endif
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#if !defined(_LP64) && !defined(_ILP32)
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#define _ILP32
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#endif
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#define _SUNOS_VTOC_16
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/*
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* RISC-V arch specific defines
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* only RV64G (including atomic) LP64 is supported yet
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*/
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#elif defined(__riscv) && defined(_LP64) && _LP64 && \
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defined(__riscv_atomic) && __riscv_atomic
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#ifndef __riscv__
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#define __riscv__
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#endif
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#ifndef __rv64g__
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#define __rv64g__
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#endif
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#define _ZFS_LITTLE_ENDIAN
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#define _SUNOS_VTOC_16
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#else
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/*
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* Currently supported:
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* x86_64, x32, i386, arm, powerpc, s390, sparc, mips, and RV64G
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*/
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#error "Unsupported ISA type"
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#endif
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#if defined(_ILP32) && defined(_LP64)
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#error "Both _ILP32 and _LP64 are defined"
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#endif
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#if !defined(_ILP32) && !defined(_LP64)
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#error "Neither _ILP32 or _LP64 are defined"
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#endif
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#if defined(_ZFS_LITTLE_ENDIAN) && defined(_ZFS_BIG_ENDIAN)
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#error "Both _ZFS_LITTLE_ENDIAN and _ZFS_BIG_ENDIAN are defined"
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#endif
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#if !defined(_ZFS_LITTLE_ENDIAN) && !defined(_ZFS_BIG_ENDIAN)
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#error "Neither _ZFS_LITTLE_ENDIAN nor _ZFS_BIG_ENDIAN are defined"
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* _SYS_ISA_DEFS_H */
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