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

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or https://opensource.org/licenses/CDDL-1.0.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*
  23  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 #ifndef _SYS_CCOMPILE_H
  28 #define _SYS_CCOMPILE_H
  29
  30 /*
  31  * This file contains definitions designed to enable different compilers
  32  * to be used harmoniously on Solaris systems.
  33  */
  34
  35 #ifdef  __cplusplus
  36 extern "C" {
  37 #endif
  38
  39 #if defined(INVARIANTS) && !defined(ZFS_DEBUG)
  40 #define ZFS_DEBUG
  41 #undef  NDEBUG
  42 #endif
  43
  44 #define EXPORT_SYMBOL(x)
  45 #define module_param(a, b, c)
  46 #define module_param_call(a, b, c, d, e)
  47 #define module_param_named(a, b, c, d)
  48 #define MODULE_PARM_DESC(a, b)
  49 #define asm __asm
  50 #ifdef ZFS_DEBUG
  51 #undef NDEBUG
  52 #endif
  53 #if !defined(ZFS_DEBUG) && !defined(NDEBUG)
  54 #define NDEBUG
  55 #endif
  56
  57 #ifndef EINTEGRITY
  58 #define EINTEGRITY 97 /* EINTEGRITY is new in 13 */
  59 #endif
  60
  61 /*
  62  * These are bespoke errnos used in ZFS. We map them to their closest FreeBSD
  63  * equivalents. This gives us more useful error messages from strerror(3).
  64  */
  65 #define ECKSUM  EINTEGRITY
  66 #define EFRAGS  ENOSPC
  67
  68 /* Similar for ENOACTIVE */
  69 #define ENOTACTIVE      ECANCELED
  70
  71 #define EREMOTEIO EREMOTE
  72 #define ECHRNG ENXIO
  73 #define ETIME ETIMEDOUT
  74
  75 #ifndef LOCORE
  76 #ifndef HAVE_RPC_TYPES
  77 #ifndef _KERNEL
  78 typedef int bool_t;
  79 typedef int enum_t;
  80 #endif
  81 #endif
  82 #endif
  83
  84 #ifndef __cplusplus
  85 #define __init
  86 #define __exit
  87 #endif
  88
  89 #if defined(_KERNEL) || defined(_STANDALONE)
  90 #define param_set_charp(a, b) (0)
  91 #define ATTR_UID AT_UID
  92 #define ATTR_GID AT_GID
  93 #define ATTR_MODE AT_MODE
  94 #define ATTR_XVATTR     AT_XVATTR
  95 #define ATTR_CTIME      AT_CTIME
  96 #define ATTR_MTIME      AT_MTIME
  97 #define ATTR_ATIME      AT_ATIME
  98 #if defined(_STANDALONE)
  99 #define vmem_free kmem_free
 100 #define vmem_zalloc kmem_zalloc
 101 #define vmem_alloc kmem_zalloc
 102 #else
 103 #define vmem_free zfs_kmem_free
 104 #define vmem_zalloc(size, flags) zfs_kmem_alloc(size, flags | M_ZERO)
 105 #define vmem_alloc zfs_kmem_alloc
 106 #endif
 107 #define MUTEX_NOLOCKDEP 0
 108 #define RW_NOLOCKDEP 0
 109
 110 #else
 111 #define FALSE 0
 112 #define TRUE 1
 113         /*
 114          * XXX We really need to consolidate on standard
 115          * error codes in the common code
 116          */
 117 #define ENOSTR ENOTCONN
 118 #define ENODATA EINVAL
 119
 120
 121 #define __BSD_VISIBLE 1
 122 #ifndef IN_BASE
 123 #define __POSIX_VISIBLE 201808
 124 #define __XSI_VISIBLE 1000
 125 #endif
 126 #define ARRAY_SIZE(a) (sizeof (a) / sizeof (a[0]))
 127 #define mmap64 mmap
 128 /* Note: this file can be used on linux/macOS when bootstrapping tools. */
 129 #if defined(__FreeBSD__)
 130 #define open64 open
 131 #define pwrite64 pwrite
 132 #define ftruncate64 ftruncate
 133 #define lseek64 lseek
 134 #define pread64 pread
 135 #define stat64 stat
 136 #define lstat64 lstat
 137 #define statfs64 statfs
 138 #define readdir64 readdir
 139 #define dirent64 dirent
 140 #endif
 141 // Deprecated. Use P2ALIGN_TYPED instead.
 142 // #define      P2ALIGN(x, align)               ((x) & -(align))
 143 #define P2CROSS(x, y, align)    (((x) ^ (y)) > (align) - 1)
 144 #define P2ROUNDUP(x, align)             ((((x) - 1) | ((align) - 1)) + 1)
 145 #define P2PHASE(x, align)               ((x) & ((align) - 1))
 146 #define P2NPHASE(x, align)              (-(x) & ((align) - 1))
 147 #define ISP2(x)                 (((x) & ((x) - 1)) == 0)
 148 #define IS_P2ALIGNED(v, a)      ((((uintptr_t)(v)) & ((uintptr_t)(a) - 1)) == 0)
 149 #define P2BOUNDARY(off, len, align) \
 150         (((off) ^ ((off) + (len) - 1)) > (align) - 1)
 151
 152 /*
 153  * Typed version of the P2* macros.  These macros should be used to ensure
 154  * that the result is correctly calculated based on the data type of (x),
 155  * which is passed in as the last argument, regardless of the data
 156  * type of the alignment.  For example, if (x) is of type uint64_t,
 157  * and we want to round it up to a page boundary using "PAGESIZE" as
 158  * the alignment, we can do either
 159  *
 160  * P2ROUNDUP(x, (uint64_t)PAGESIZE)
 161  * or
 162  * P2ROUNDUP_TYPED(x, PAGESIZE, uint64_t)
 163  */
 164 #define P2ALIGN_TYPED(x, align, type)   \
 165         ((type)(x) & -(type)(align))
 166 #define P2PHASE_TYPED(x, align, type)   \
 167         ((type)(x) & ((type)(align) - 1))
 168 #define P2NPHASE_TYPED(x, align, type)  \
 169         (-(type)(x) & ((type)(align) - 1))
 170 #define P2ROUNDUP_TYPED(x, align, type) \
 171         ((((type)(x) - 1) | ((type)(align) - 1)) + 1)
 172 #define P2END_TYPED(x, align, type)     \
 173         (-(~(type)(x) & -(type)(align)))
 174 #define P2PHASEUP_TYPED(x, align, phase, type)  \
 175         ((type)(phase) - (((type)(phase) - (type)(x)) & -(type)(align)))
 176 #define P2CROSS_TYPED(x, y, align, type)        \
 177         (((type)(x) ^ (type)(y)) > (type)(align) - 1)
 178 #define P2SAMEHIGHBIT_TYPED(x, y, type) \
 179         (((type)(x) ^ (type)(y)) < ((type)(x) & (type)(y)))
 180
 181 #define DIV_ROUND_UP(n, d)      (((n) + (d) - 1) / (d))
 182 #define RLIM64_INFINITY RLIM_INFINITY
 183 #ifndef HAVE_ERESTART
 184 #define ERESTART EAGAIN
 185 #endif
 186 #define ABS(a)  ((a) < 0 ? -(a) : (a))
 187
 188 #endif
 189 #ifdef  __cplusplus
 190 }
 191 #endif
 192
 193 #endif  /* _SYS_CCOMPILE_H */