sys/compat/netbsd32/netbsd32_compat_12.c

   1 /*      $NetBSD: netbsd32_compat_12.c,v 1.31 2008/05/29 14:51:26 mrg Exp $      */
   2
   3 /*
   4  * Copyright (c) 1998, 2001 Matthew R. Green
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
  21  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  22  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
  23  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  24  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  26  * SUCH DAMAGE.
  27  */
  28
  29 #include <sys/cdefs.h>
  30 __KERNEL_RCSID(0, "$NetBSD: netbsd32_compat_12.c,v 1.31 2008/05/29 14:51:26 mrg Exp $");
  31
  32 #if defined(_KERNEL_OPT)
  33 #include "opt_compat_netbsd.h"
  34 #endif
  35
  36 #include <sys/param.h>
  37 #include <sys/systm.h>
  38 #include <sys/mount.h>
  39 #include <sys/mman.h>
  40 #include <sys/proc.h>
  41 #include <sys/stat.h>
  42 #include <sys/swap.h>
  43 #include <sys/syscallargs.h>
  44
  45 #include <compat/sys/stat.h>
  46
  47 #include <compat/netbsd32/netbsd32.h>
  48 #include <compat/netbsd32/netbsd32_syscallargs.h>
  49
  50 static void netbsd32_stat12_to_netbsd32(struct stat12 *,
  51                 struct netbsd32_stat12 *);
  52
  53 /* for use with {,fl}stat() */
  54 static void
  55 netbsd32_stat12_to_netbsd32(struct stat12 *sp12, struct netbsd32_stat12 *sp32)
  56 {
  57
  58         sp32->st_dev = sp12->st_dev;
  59         sp32->st_ino = sp12->st_ino;
  60         sp32->st_mode = sp12->st_mode;
  61         sp32->st_nlink = sp12->st_nlink;
  62         sp32->st_uid = sp12->st_uid;
  63         sp32->st_gid = sp12->st_gid;
  64         sp32->st_rdev = sp12->st_rdev;
  65         if (sp12->st_size < (quad_t)1 << 32)
  66                 sp32->st_size = sp12->st_size;
  67         else
  68                 sp32->st_size = -2;
  69         sp32->st_atimespec.tv_sec = sp12->st_atimespec.tv_sec;
  70         sp32->st_atimespec.tv_nsec = sp12->st_atimespec.tv_nsec;
  71         sp32->st_mtimespec.tv_sec = sp12->st_mtimespec.tv_sec;
  72         sp32->st_mtimespec.tv_nsec = sp12->st_mtimespec.tv_nsec;
  73         sp32->st_ctimespec.tv_sec = sp12->st_ctimespec.tv_sec;
  74         sp32->st_ctimespec.tv_nsec = sp12->st_ctimespec.tv_nsec;
  75         sp32->st_blocks = sp12->st_blocks;
  76         sp32->st_blksize = sp12->st_blksize;
  77         sp32->st_flags = sp12->st_flags;
  78         sp32->st_gen = sp12->st_gen;
  79 }
  80
  81 int
  82 compat_12_netbsd32_reboot(struct lwp *l, const struct compat_12_netbsd32_reboot_args *uap, register_t *retval)
  83 {
  84         /* {
  85                 syscallarg(int) opt;
  86         } */
  87         struct compat_12_sys_reboot_args ua;
  88
  89         NETBSD32TO64_UAP(opt);
  90         return (compat_12_sys_reboot(l, &ua, retval));
  91 }
  92
  93 int
  94 compat_12_netbsd32_msync(struct lwp *l, const struct compat_12_netbsd32_msync_args *uap, register_t *retval)
  95 {
  96         /* {
  97                 syscallarg(netbsd32_voidp) addr;
  98                 syscallarg(netbsd32_size_t) len;
  99         } */
 100         struct sys___msync13_args ua;
 101
 102         NETBSD32TOP_UAP(addr, void *);
 103         NETBSD32TOX_UAP(len, size_t);
 104         SCARG(&ua, flags) = MS_SYNC | MS_INVALIDATE;
 105         return (sys___msync13(l, &ua, retval));
 106 }
 107
 108 int
 109 compat_12_netbsd32_oswapon(struct lwp *l, const struct compat_12_netbsd32_oswapon_args *uap, register_t *retval)
 110 {
 111         /* {
 112                 syscallarg(const netbsd32_charp) name;
 113         } */
 114         struct sys_swapctl_args ua;
 115
 116         SCARG(&ua, cmd) = SWAP_ON;
 117         SCARG(&ua, arg) = SCARG_P32(uap, name);
 118         SCARG(&ua, misc) = 0;   /* priority */
 119         return (sys_swapctl(l, &ua, retval));
 120 }
 121
 122 int
 123 compat_12_netbsd32_stat12(struct lwp *l, const struct compat_12_netbsd32_stat12_args *uap, register_t *retval)
 124 {
 125         /* {
 126                 syscallarg(const netbsd32_charp) path;
 127                 syscallarg(netbsd32_stat12p_t) ub;
 128         } */
 129         struct netbsd32_stat12 *sp32, sb32;
 130         struct stat12 sb12;
 131         struct stat12 *sp12 = &sb12;
 132         struct compat_12_sys_stat_args ua;
 133         int rv;
 134
 135         NETBSD32TOP_UAP(path, const char);
 136         SCARG(&ua, ub) = &sb12;
 137
 138         rv = compat_12_sys_stat(l, &ua, retval);
 139         if (rv)
 140                 return (rv);
 141
 142         sp32 = SCARG_P32(uap, ub);
 143         netbsd32_stat12_to_netbsd32(sp12, &sb32);
 144
 145         return (copyout(&sb32, sp32, sizeof sb32));
 146 }
 147
 148 int
 149 compat_12_netbsd32_fstat12(struct lwp *l, const struct compat_12_netbsd32_fstat12_args *uap, register_t *retval)
 150 {
 151         /* {
 152                 syscallarg(int) fd;
 153                 syscallarg(netbsd32_stat12p_t) sb;
 154         } */
 155         struct netbsd32_stat12 *sp32, sb32;
 156         struct stat12 sb12;
 157         struct stat12 *sp12 = &sb12;
 158         struct compat_12_sys_fstat_args ua;
 159         int rv;
 160
 161         NETBSD32TO64_UAP(fd);
 162         SCARG(&ua, sb) = &sb12;
 163         rv = compat_12_sys_fstat(l, &ua, retval);
 164         if (rv)
 165                 return (rv);
 166
 167         sp32 = SCARG_P32(uap, sb);
 168         netbsd32_stat12_to_netbsd32(sp12, &sb32);
 169
 170         return (copyout(&sb32, sp32, sizeof sb32));
 171 }
 172
 173 int
 174 compat_12_netbsd32_lstat12(struct lwp *l, const struct compat_12_netbsd32_lstat12_args *uap, register_t *retval)
 175 {
 176         /* {
 177                 syscallarg(const netbsd32_charp) path;
 178                 syscallarg(netbsd32_stat12p_t) ub;
 179         } */
 180         struct netbsd32_stat12 *sp32, sb32;
 181         struct stat12 sb12;
 182         struct stat12 *sp12 = &sb12;
 183         struct compat_12_sys_lstat_args ua;
 184         int rv;
 185
 186         NETBSD32TOP_UAP(path, const char);
 187         SCARG(&ua, ub) = &sb12;
 188
 189         rv = compat_12_sys_lstat(l, &ua, retval);
 190         if (rv)
 191                 return (rv);
 192
 193         sp32 = SCARG_P32(uap, ub);
 194         netbsd32_stat12_to_netbsd32(sp12, &sb32);
 195
 196         return (copyout(&sb32, sp32, sizeof sb32));
 197 }
 198
 199 int
 200 compat_12_netbsd32_getdirentries(struct lwp *l, const struct compat_12_netbsd32_getdirentries_args *uap, register_t *retval)
 201 {
 202         /* {
 203                 syscallarg(int) fd;
 204                 syscallarg(netbsd32_charp) buf;
 205                 syscallarg(u_int) count;
 206                 syscallarg(netbsd32_longp) basep;
 207         } */
 208         struct compat_12_sys_getdirentries_args ua;
 209
 210         NETBSD32TO64_UAP(fd);
 211         NETBSD32TOP_UAP(buf, char);
 212         NETBSD32TO64_UAP(count);
 213         NETBSD32TOP_UAP(basep, long);
 214
 215         return (compat_12_sys_getdirentries(l, &ua, retval));
 216 }