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