zfs/include/os/freebsd/spl/sys/ccompile.h

191 lines
5.2 KiB
C

/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2004 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _SYS_CCOMPILE_H
#define _SYS_CCOMPILE_H
/*
* This file contains definitions designed to enable different compilers
* to be used harmoniously on Solaris systems.
*/
#ifdef __cplusplus
extern "C" {
#endif
#if defined(INVARIANTS) && !defined(ZFS_DEBUG)
#define ZFS_DEBUG
#undef NDEBUG
#endif
#define EXPORT_SYMBOL(x)
#define module_param(a, b, c)
#define module_param_call(a, b, c, d, e)
#define module_param_named(a, b, c, d)
#define MODULE_PARM_DESC(a, b)
#define asm __asm
#ifdef ZFS_DEBUG
#undef NDEBUG
#endif
#if !defined(ZFS_DEBUG) && !defined(NDEBUG)
#define NDEBUG
#endif
#ifndef EINTEGRITY
#define EINTEGRITY 97 /* EINTEGRITY is new in 13 */
#endif
/*
* These are bespoke errnos used in ZFS. We map them to their closest FreeBSD
* equivalents. This gives us more useful error messages from strerror(3).
*/
#define ECKSUM EINTEGRITY
#define EFRAGS ENOSPC
/* Similar for ENOACTIVE */
#define ENOTACTIVE ECANCELED
#define EREMOTEIO EREMOTE
#define ECHRNG ENXIO
#define ETIME ETIMEDOUT
#ifndef LOCORE
#ifndef HAVE_RPC_TYPES
typedef int bool_t;
typedef int enum_t;
#endif
#endif
#ifndef __cplusplus
#define __init
#define __exit
#endif
#if defined(_KERNEL) || defined(_STANDALONE)
#define param_set_charp(a, b) (0)
#define ATTR_UID AT_UID
#define ATTR_GID AT_GID
#define ATTR_MODE AT_MODE
#define ATTR_XVATTR AT_XVATTR
#define ATTR_CTIME AT_CTIME
#define ATTR_MTIME AT_MTIME
#define ATTR_ATIME AT_ATIME
#if defined(_STANDALONE)
#define vmem_free kmem_free
#define vmem_zalloc kmem_zalloc
#define vmem_alloc kmem_zalloc
#else
#define vmem_free zfs_kmem_free
#define vmem_zalloc(size, flags) zfs_kmem_alloc(size, flags | M_ZERO)
#define vmem_alloc zfs_kmem_alloc
#endif
#define MUTEX_NOLOCKDEP 0
#define RW_NOLOCKDEP 0
#else
#define FALSE 0
#define TRUE 1
/*
* XXX We really need to consolidate on standard
* error codes in the common code
*/
#define ENOSTR ENOTCONN
#define ENODATA EINVAL
#define __BSD_VISIBLE 1
#ifndef IN_BASE
#define __POSIX_VISIBLE 201808
#define __XSI_VISIBLE 1000
#endif
#define ARRAY_SIZE(a) (sizeof (a) / sizeof (a[0]))
#define mmap64 mmap
/* Note: this file can be used on linux/macOS when bootstrapping tools. */
#if defined(__FreeBSD__)
#define open64 open
#define pwrite64 pwrite
#define ftruncate64 ftruncate
#define lseek64 lseek
#define pread64 pread
#define stat64 stat
#define lstat64 lstat
#define statfs64 statfs
#define readdir64 readdir
#define dirent64 dirent
#endif
#define P2ALIGN(x, align) ((x) & -(align))
#define P2CROSS(x, y, align) (((x) ^ (y)) > (align) - 1)
#define P2ROUNDUP(x, align) ((((x) - 1) | ((align) - 1)) + 1)
#define P2PHASE(x, align) ((x) & ((align) - 1))
#define P2NPHASE(x, align) (-(x) & ((align) - 1))
#define ISP2(x) (((x) & ((x) - 1)) == 0)
#define IS_P2ALIGNED(v, a) ((((uintptr_t)(v)) & ((uintptr_t)(a) - 1)) == 0)
#define P2BOUNDARY(off, len, align) \
(((off) ^ ((off) + (len) - 1)) > (align) - 1)
/*
* Typed version of the P2* macros. These macros should be used to ensure
* that the result is correctly calculated based on the data type of (x),
* which is passed in as the last argument, regardless of the data
* type of the alignment. For example, if (x) is of type uint64_t,
* and we want to round it up to a page boundary using "PAGESIZE" as
* the alignment, we can do either
*
* P2ROUNDUP(x, (uint64_t)PAGESIZE)
* or
* P2ROUNDUP_TYPED(x, PAGESIZE, uint64_t)
*/
#define P2ALIGN_TYPED(x, align, type) \
((type)(x) & -(type)(align))
#define P2PHASE_TYPED(x, align, type) \
((type)(x) & ((type)(align) - 1))
#define P2NPHASE_TYPED(x, align, type) \
(-(type)(x) & ((type)(align) - 1))
#define P2ROUNDUP_TYPED(x, align, type) \
((((type)(x) - 1) | ((type)(align) - 1)) + 1)
#define P2END_TYPED(x, align, type) \
(-(~(type)(x) & -(type)(align)))
#define P2PHASEUP_TYPED(x, align, phase, type) \
((type)(phase) - (((type)(phase) - (type)(x)) & -(type)(align)))
#define P2CROSS_TYPED(x, y, align, type) \
(((type)(x) ^ (type)(y)) > (type)(align) - 1)
#define P2SAMEHIGHBIT_TYPED(x, y, type) \
(((type)(x) ^ (type)(y)) < ((type)(x) & (type)(y)))
#define DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d))
#define RLIM64_INFINITY RLIM_INFINITY
#ifndef HAVE_ERESTART
#define ERESTART EAGAIN
#endif
#define ABS(a) ((a) < 0 ? -(a) : (a))
#endif
#ifdef __cplusplus
}
#endif
#endif /* _SYS_CCOMPILE_H */