Home | History | Annotate | Line # | Download | only in netbsd32
netbsd32_compat_12.c revision 1.29
      1 /*	$NetBSD: netbsd32_compat_12.c,v 1.29 2007/12/08 18:36:17 dsl 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  * 3. The name of the author may not be used to endorse or promote products
     16  *    derived from this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     21  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
     23  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     24  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
     25  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
     26  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     28  * SUCH DAMAGE.
     29  */
     30 
     31 #include <sys/cdefs.h>
     32 __KERNEL_RCSID(0, "$NetBSD: netbsd32_compat_12.c,v 1.29 2007/12/08 18:36:17 dsl Exp $");
     33 
     34 #if defined(_KERNEL_OPT)
     35 #include "opt_compat_netbsd.h"
     36 #endif
     37 
     38 #include <sys/param.h>
     39 #include <sys/systm.h>
     40 #include <sys/mount.h>
     41 #include <sys/mman.h>
     42 #include <sys/proc.h>
     43 #include <sys/stat.h>
     44 #include <sys/swap.h>
     45 #include <sys/syscallargs.h>
     46 
     47 #include <compat/sys/stat.h>
     48 
     49 #include <compat/netbsd32/netbsd32.h>
     50 #include <compat/netbsd32/netbsd32_syscallargs.h>
     51 
     52 static void netbsd32_stat12_to_netbsd32(struct stat12 *,
     53 		struct netbsd32_stat12 *);
     54 
     55 /* for use with {,fl}stat() */
     56 static void
     57 netbsd32_stat12_to_netbsd32(struct stat12 *sp12, struct netbsd32_stat12 *sp32)
     58 {
     59 
     60 	sp32->st_dev = sp12->st_dev;
     61 	sp32->st_ino = sp12->st_ino;
     62 	sp32->st_mode = sp12->st_mode;
     63 	sp32->st_nlink = sp12->st_nlink;
     64 	sp32->st_uid = sp12->st_uid;
     65 	sp32->st_gid = sp12->st_gid;
     66 	sp32->st_rdev = sp12->st_rdev;
     67 	if (sp12->st_size < (quad_t)1 << 32)
     68 		sp32->st_size = sp12->st_size;
     69 	else
     70 		sp32->st_size = -2;
     71 	sp32->st_atimespec.tv_sec = sp12->st_atimespec.tv_sec;
     72 	sp32->st_atimespec.tv_nsec = sp12->st_atimespec.tv_nsec;
     73 	sp32->st_mtimespec.tv_sec = sp12->st_mtimespec.tv_sec;
     74 	sp32->st_mtimespec.tv_nsec = sp12->st_mtimespec.tv_nsec;
     75 	sp32->st_ctimespec.tv_sec = sp12->st_ctimespec.tv_sec;
     76 	sp32->st_ctimespec.tv_nsec = sp12->st_ctimespec.tv_nsec;
     77 	sp32->st_blocks = sp12->st_blocks;
     78 	sp32->st_blksize = sp12->st_blksize;
     79 	sp32->st_flags = sp12->st_flags;
     80 	sp32->st_gen = sp12->st_gen;
     81 }
     82 
     83 int
     84 compat_12_netbsd32_reboot(struct lwp *l, void *v, register_t *retval)
     85 {
     86 	struct compat_12_netbsd32_reboot_args /* {
     87 		syscallarg(int) opt;
     88 	} */ *uap = v;
     89 	struct compat_12_sys_reboot_args ua;
     90 
     91 	NETBSD32TO64_UAP(opt);
     92 	return (compat_12_sys_reboot(l, &ua, retval));
     93 }
     94 
     95 int
     96 compat_12_netbsd32_msync(struct lwp *l, void *v, register_t *retval)
     97 {
     98 	struct compat_12_netbsd32_msync_args /* {
     99 		syscallarg(netbsd32_caddr_t) addr;
    100 		syscallarg(netbsd32_size_t) len;
    101 	} */ *uap = v;
    102 	struct sys___msync13_args ua;
    103 
    104 	NETBSD32TOP_UAP(addr, void *);
    105 	NETBSD32TOX_UAP(len, size_t);
    106 	SCARG(&ua, flags) = MS_SYNC | MS_INVALIDATE;
    107 	return (sys___msync13(l, &ua, retval));
    108 }
    109 
    110 int
    111 compat_12_netbsd32_oswapon(struct lwp *l, void *v, register_t *retval)
    112 {
    113 	struct compat_12_netbsd32_oswapon_args /* {
    114 		syscallarg(const netbsd32_charp) name;
    115 	} */ *uap = v;
    116 	struct sys_swapctl_args ua;
    117 
    118 	SCARG(&ua, cmd) = SWAP_ON;
    119 	SCARG(&ua, arg) = SCARG_P32(uap, name);
    120 	SCARG(&ua, misc) = 0;	/* priority */
    121 	return (sys_swapctl(l, &ua, retval));
    122 }
    123 
    124 int
    125 compat_12_netbsd32_stat12(struct lwp *l, void *v, register_t *retval)
    126 {
    127 	struct compat_12_netbsd32_stat12_args /* {
    128 		syscallarg(const netbsd32_charp) path;
    129 		syscallarg(netbsd32_stat12p_t) ub;
    130 	} */ *uap = v;
    131 	struct netbsd32_stat12 *sp32, sb32;
    132 	struct stat12 sb12;
    133 	struct stat12 *sp12 = &sb12;
    134 	struct compat_12_sys_stat_args ua;
    135 	int rv;
    136 
    137 	NETBSD32TOP_UAP(path, const char);
    138 	SCARG(&ua, ub) = &sb12;
    139 
    140 	rv = compat_12_sys_stat(l, &ua, retval);
    141 	if (rv)
    142 		return (rv);
    143 
    144 	sp32 = SCARG_P32(uap, ub);
    145 	netbsd32_stat12_to_netbsd32(sp12, &sb32);
    146 
    147 	return (copyout(&sb32, sp32, sizeof sb32));
    148 }
    149 
    150 int
    151 compat_12_netbsd32_fstat12(struct lwp *l, void *v, register_t *retval)
    152 {
    153 	struct compat_12_netbsd32_fstat12_args /* {
    154 		syscallarg(int) fd;
    155 		syscallarg(netbsd32_stat12p_t) sb;
    156 	} */ *uap = v;
    157 	struct netbsd32_stat12 *sp32, sb32;
    158 	struct stat12 sb12;
    159 	struct stat12 *sp12 = &sb12;
    160 	struct compat_12_sys_fstat_args ua;
    161 	int rv;
    162 
    163 	NETBSD32TO64_UAP(fd);
    164 	SCARG(&ua, sb) = &sb12;
    165 	rv = compat_12_sys_fstat(l, &ua, retval);
    166 	if (rv)
    167 		return (rv);
    168 
    169 	sp32 = SCARG_P32(uap, sb);
    170 	netbsd32_stat12_to_netbsd32(sp12, &sb32);
    171 
    172 	return (copyout(&sb32, sp32, sizeof sb32));
    173 }
    174 
    175 int
    176 compat_12_netbsd32_lstat12(struct lwp *l, void *v, register_t *retval)
    177 {
    178 	struct compat_12_netbsd32_lstat12_args /* {
    179 		syscallarg(const netbsd32_charp) path;
    180 		syscallarg(netbsd32_stat12p_t) ub;
    181 	} */ *uap = v;
    182 	struct netbsd32_stat12 *sp32, sb32;
    183 	struct stat12 sb12;
    184 	struct stat12 *sp12 = &sb12;
    185 	struct compat_12_sys_lstat_args ua;
    186 	int rv;
    187 
    188 	NETBSD32TOP_UAP(path, const char);
    189 	SCARG(&ua, ub) = &sb12;
    190 
    191 	rv = compat_12_sys_lstat(l, &ua, retval);
    192 	if (rv)
    193 		return (rv);
    194 
    195 	sp32 = SCARG_P32(uap, ub);
    196 	netbsd32_stat12_to_netbsd32(sp12, &sb32);
    197 
    198 	return (copyout(&sb32, sp32, sizeof sb32));
    199 }
    200 
    201 int
    202 compat_12_netbsd32_getdirentries(struct lwp *l, void *v, register_t *retval)
    203 {
    204 	struct compat_12_netbsd32_getdirentries_args /* {
    205 		syscallarg(int) fd;
    206 		syscallarg(netbsd32_charp) buf;
    207 		syscallarg(u_int) count;
    208 		syscallarg(netbsd32_longp) basep;
    209 	} */ *uap = v;
    210 	struct compat_12_sys_getdirentries_args ua;
    211 
    212 	NETBSD32TO64_UAP(fd);
    213 	NETBSD32TOP_UAP(buf, char);
    214 	NETBSD32TO64_UAP(count);
    215 	NETBSD32TOP_UAP(basep, long);
    216 
    217 	return (compat_12_sys_getdirentries(l, &ua, retval));
    218 }
    219