1 /* $NetBSD: netbsd32_compat_12.c,v 1.33 2012/12/10 02:21:58 chs 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 1.33 2012/12/10 02:21:58 chs 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/filedesc.h> 39 #include <sys/mount.h> 40 #include <sys/mman.h> 41 #include <sys/namei.h> 42 #include <sys/proc.h> 43 #include <sys/stat.h> 44 #include <sys/swap.h> 45 #include <sys/vfs_syscalls.h> 46 47 #include <sys/syscallargs.h> 48 49 #include <compat/sys/stat.h> 50 51 #include <compat/netbsd32/netbsd32.h> 52 #include <compat/netbsd32/netbsd32_syscallargs.h> 53 54 static void netbsd32_stat12_to_netbsd32(struct stat12 *, 55 struct netbsd32_stat12 *); 56 57 /* for use with {,fl}stat() */ 58 static void 59 netbsd32_stat12_to_netbsd32(struct stat12 *sp12, struct netbsd32_stat12 *sp32) 60 { 61 62 sp32->st_dev = sp12->st_dev; 63 sp32->st_ino = sp12->st_ino; 64 sp32->st_mode = sp12->st_mode; 65 sp32->st_nlink = sp12->st_nlink; 66 sp32->st_uid = sp12->st_uid; 67 sp32->st_gid = sp12->st_gid; 68 sp32->st_rdev = sp12->st_rdev; 69 if (sp12->st_size < (quad_t)1 << 32) 70 sp32->st_size = sp12->st_size; 71 else 72 sp32->st_size = -2; 73 sp32->st_atimespec.tv_sec = sp12->st_atimespec.tv_sec; 74 sp32->st_atimespec.tv_nsec = sp12->st_atimespec.tv_nsec; 75 sp32->st_mtimespec.tv_sec = sp12->st_mtimespec.tv_sec; 76 sp32->st_mtimespec.tv_nsec = sp12->st_mtimespec.tv_nsec; 77 sp32->st_ctimespec.tv_sec = sp12->st_ctimespec.tv_sec; 78 sp32->st_ctimespec.tv_nsec = sp12->st_ctimespec.tv_nsec; 79 sp32->st_blocks = sp12->st_blocks; 80 sp32->st_blksize = sp12->st_blksize; 81 sp32->st_flags = sp12->st_flags; 82 sp32->st_gen = sp12->st_gen; 83 } 84 85 int 86 compat_12_netbsd32_reboot(struct lwp *l, const struct compat_12_netbsd32_reboot_args *uap, register_t *retval) 87 { 88 /* { 89 syscallarg(int) opt; 90 } */ 91 struct compat_12_sys_reboot_args ua; 92 93 NETBSD32TO64_UAP(opt); 94 return (compat_12_sys_reboot(l, &ua, retval)); 95 } 96 97 int 98 compat_12_netbsd32_msync(struct lwp *l, const struct compat_12_netbsd32_msync_args *uap, register_t *retval) 99 { 100 /* { 101 syscallarg(netbsd32_voidp) addr; 102 syscallarg(netbsd32_size_t) len; 103 } */ 104 struct sys___msync13_args ua; 105 106 NETBSD32TOP_UAP(addr, void *); 107 NETBSD32TOX_UAP(len, size_t); 108 SCARG(&ua, flags) = MS_SYNC | MS_INVALIDATE; 109 return (sys___msync13(l, &ua, retval)); 110 } 111 112 int 113 compat_12_netbsd32_oswapon(struct lwp *l, const struct compat_12_netbsd32_oswapon_args *uap, register_t *retval) 114 { 115 /* { 116 syscallarg(const netbsd32_charp) name; 117 } */ 118 struct sys_swapctl_args ua; 119 120 SCARG(&ua, cmd) = SWAP_ON; 121 SCARG(&ua, arg) = SCARG_P32(uap, name); 122 SCARG(&ua, misc) = 0; /* priority */ 123 return (sys_swapctl(l, &ua, retval)); 124 } 125 126 int 127 compat_12_netbsd32_stat12(struct lwp *l, const struct compat_12_netbsd32_stat12_args *uap, register_t *retval) 128 { 129 /* { 130 syscallarg(const netbsd32_charp) path; 131 syscallarg(netbsd32_stat12p_t) ub; 132 } */ 133 struct netbsd32_stat12 sb32; 134 struct stat12 sb12; 135 struct stat sb; 136 int error; 137 138 error = do_sys_stat(SCARG_P32(uap, path), FOLLOW, &sb); 139 if (error) 140 return (error); 141 142 compat_12_stat_conv(&sb, &sb12); 143 netbsd32_stat12_to_netbsd32(&sb12, &sb32); 144 145 return (copyout(&sb32, SCARG_P32(uap, ub), 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 sb32; 156 struct stat12 sb12; 157 struct stat sb; 158 int error; 159 160 error = do_sys_fstat(SCARG(uap, fd), &sb); 161 if (error) 162 return (error); 163 164 compat_12_stat_conv(&sb, &sb12); 165 netbsd32_stat12_to_netbsd32(&sb12, &sb32); 166 167 return (copyout(&sb32, SCARG_P32(uap, sb), sizeof sb32)); 168 } 169 170 int 171 compat_12_netbsd32_lstat12(struct lwp *l, const struct compat_12_netbsd32_lstat12_args *uap, register_t *retval) 172 { 173 /* { 174 syscallarg(const netbsd32_charp) path; 175 syscallarg(netbsd32_stat12p_t) ub; 176 } */ 177 struct netbsd32_stat12 sb32; 178 struct stat12 sb12; 179 struct stat sb; 180 int error; 181 182 error = do_sys_stat(SCARG_P32(uap, path), NOFOLLOW, &sb); 183 if (error) 184 return (error); 185 186 compat_12_stat_conv(&sb, &sb12); 187 netbsd32_stat12_to_netbsd32(&sb12, &sb32); 188 189 return (copyout(&sb32, SCARG_P32(uap, ub), sizeof sb32)); 190 } 191 192 int 193 compat_12_netbsd32_getdirentries(struct lwp *l, const struct compat_12_netbsd32_getdirentries_args *uap, register_t *retval) 194 { 195 /* { 196 syscallarg(int) fd; 197 syscallarg(netbsd32_charp) buf; 198 syscallarg(u_int) count; 199 syscallarg(netbsd32_longp) basep; 200 } */ 201 struct compat_12_sys_getdirentries_args ua; 202 203 NETBSD32TO64_UAP(fd); 204 NETBSD32TOP_UAP(buf, char); 205 NETBSD32TO64_UAP(count); 206 NETBSD32TOP_UAP(basep, long); 207 208 return (compat_12_sys_getdirentries(l, &ua, retval)); 209 } 210