1 /* $NetBSD: netbsd32_compat_12.c,v 1.18 2003/06/29 22:29:36 fvdl 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 1.18 2003/06/29 22:29:36 fvdl 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/sa.h> 46 #include <sys/syscallargs.h> 47 48 #include <compat/netbsd32/netbsd32.h> 49 #include <compat/netbsd32/netbsd32_syscallargs.h> 50 51 static void netbsd32_stat12_to_netbsd32 __P((struct stat12 *, 52 struct netbsd32_stat12 *)); 53 54 /* for use with {,fl}stat() */ 55 static void 56 netbsd32_stat12_to_netbsd32(sp12, sp32) 57 struct stat12 *sp12; 58 struct netbsd32_stat12 *sp32; 59 { 60 61 sp32->st_dev = sp12->st_dev; 62 sp32->st_ino = sp12->st_ino; 63 sp32->st_mode = sp12->st_mode; 64 sp32->st_nlink = sp12->st_nlink; 65 sp32->st_uid = sp12->st_uid; 66 sp32->st_gid = sp12->st_gid; 67 sp32->st_rdev = sp12->st_rdev; 68 if (sp12->st_size < (quad_t)1 << 32) 69 sp32->st_size = sp12->st_size; 70 else 71 sp32->st_size = -2; 72 sp32->st_atimespec.tv_sec = sp12->st_atimespec.tv_sec; 73 sp32->st_atimespec.tv_nsec = sp12->st_atimespec.tv_nsec; 74 sp32->st_mtimespec.tv_sec = sp12->st_mtimespec.tv_sec; 75 sp32->st_mtimespec.tv_nsec = sp12->st_mtimespec.tv_nsec; 76 sp32->st_ctimespec.tv_sec = sp12->st_ctimespec.tv_sec; 77 sp32->st_ctimespec.tv_nsec = sp12->st_ctimespec.tv_nsec; 78 sp32->st_blocks = sp12->st_blocks; 79 sp32->st_blksize = sp12->st_blksize; 80 sp32->st_flags = sp12->st_flags; 81 sp32->st_gen = sp12->st_gen; 82 } 83 84 int 85 compat_12_netbsd32_reboot(l, v, retval) 86 struct lwp *l; 87 void *v; 88 register_t *retval; 89 { 90 struct compat_12_netbsd32_reboot_args /* { 91 syscallarg(int) opt; 92 } */ *uap = v; 93 struct compat_12_sys_reboot_args ua; 94 95 NETBSD32TO64_UAP(opt); 96 return (compat_12_sys_reboot(l, &ua, retval)); 97 } 98 99 int 100 compat_12_netbsd32_msync(l, v, retval) 101 struct lwp *l; 102 void *v; 103 register_t *retval; 104 { 105 struct compat_12_netbsd32_msync_args /* { 106 syscallarg(netbsd32_caddr_t) addr; 107 syscallarg(netbsd32_size_t) len; 108 } */ *uap = v; 109 struct sys___msync13_args ua; 110 111 NETBSD32TOX64_UAP(addr, caddr_t); 112 NETBSD32TOX_UAP(len, size_t); 113 SCARG(&ua, flags) = MS_SYNC | MS_INVALIDATE; 114 return (sys___msync13(l, &ua, retval)); 115 } 116 117 int 118 compat_12_netbsd32_oswapon(l, v, retval) 119 struct lwp *l; 120 void *v; 121 register_t *retval; 122 { 123 struct compat_12_netbsd32_oswapon_args /* { 124 syscallarg(const netbsd32_charp) name; 125 } */ *uap = v; 126 struct sys_swapctl_args ua; 127 128 SCARG(&ua, cmd) = SWAP_ON; 129 SCARG(&ua, arg) = (void *)NETBSD32PTR64(SCARG(uap, name)); 130 SCARG(&ua, misc) = 0; /* priority */ 131 return (sys_swapctl(l, &ua, retval)); 132 } 133 134 int 135 compat_12_netbsd32_stat12(l, v, retval) 136 struct lwp *l; 137 void *v; 138 register_t *retval; 139 { 140 struct proc *p = l->l_proc; 141 struct compat_12_netbsd32_stat12_args /* { 142 syscallarg(const netbsd32_charp) path; 143 syscallarg(netbsd32_stat12p_t) ub; 144 } */ *uap = v; 145 struct netbsd32_stat12 *sp32, sb32; 146 struct stat12 sb12; 147 struct stat12 *sp12 = &sb12; 148 struct compat_12_sys_stat_args ua; 149 caddr_t sg; 150 int rv; 151 152 NETBSD32TOP_UAP(path, const char); 153 SCARG(&ua, ub) = &sb12; 154 sg = stackgap_init(p, 0); 155 CHECK_ALT_EXIST(p, &sg, SCARG(&ua, path)); 156 157 rv = compat_12_sys_stat(l, &ua, retval); 158 if (rv) 159 return (rv); 160 161 sp32 = (struct netbsd32_stat12 *)NETBSD32PTR64(SCARG(uap, ub)); 162 netbsd32_stat12_to_netbsd32(sp12, &sb32); 163 164 return (copyout(&sb32, sp32, sizeof sb32)); 165 } 166 167 int 168 compat_12_netbsd32_fstat12(l, v, retval) 169 struct lwp *l; 170 void *v; 171 register_t *retval; 172 { 173 struct compat_12_netbsd32_fstat12_args /* { 174 syscallarg(int) fd; 175 syscallarg(netbsd32_stat12p_t) sb; 176 } */ *uap = v; 177 struct netbsd32_stat12 *sp32, sb32; 178 struct stat12 sb12; 179 struct stat12 *sp12 = &sb12; 180 struct compat_12_sys_fstat_args ua; 181 int rv; 182 183 NETBSD32TO64_UAP(fd); 184 SCARG(&ua, sb) = &sb12; 185 rv = compat_12_sys_fstat(l, &ua, retval); 186 if (rv) 187 return (rv); 188 189 sp32 = (struct netbsd32_stat12 *)NETBSD32PTR64(SCARG(uap, sb)); 190 netbsd32_stat12_to_netbsd32(sp12, &sb32); 191 192 return (copyout(&sb32, sp32, sizeof sb32)); 193 } 194 195 int 196 compat_12_netbsd32_lstat12(l, v, retval) 197 struct lwp *l; 198 void *v; 199 register_t *retval; 200 { 201 struct proc *p = l->l_proc; 202 struct compat_12_netbsd32_lstat12_args /* { 203 syscallarg(const netbsd32_charp) path; 204 syscallarg(netbsd32_stat12p_t) ub; 205 } */ *uap = v; 206 struct netbsd32_stat12 *sp32, sb32; 207 struct stat12 sb12; 208 struct stat12 *sp12 = &sb12; 209 struct compat_12_sys_lstat_args ua; 210 caddr_t sg; 211 int rv; 212 213 NETBSD32TOP_UAP(path, const char); 214 SCARG(&ua, ub) = &sb12; 215 sg = stackgap_init(p, 0); 216 CHECK_ALT_EXIST(p, &sg, SCARG(&ua, path)); 217 218 rv = compat_12_sys_lstat(l, &ua, retval); 219 if (rv) 220 return (rv); 221 222 sp32 = (struct netbsd32_stat12 *)NETBSD32PTR64(SCARG(uap, ub)); 223 netbsd32_stat12_to_netbsd32(sp12, &sb32); 224 225 return (copyout(&sb32, sp32, sizeof sb32)); 226 } 227 228 int 229 compat_12_netbsd32_getdirentries(l, v, retval) 230 struct lwp *l; 231 void *v; 232 register_t *retval; 233 { 234 struct compat_12_netbsd32_getdirentries_args /* { 235 syscallarg(int) fd; 236 syscallarg(netbsd32_charp) buf; 237 syscallarg(u_int) count; 238 syscallarg(netbsd32_longp) basep; 239 } */ *uap = v; 240 struct compat_12_sys_getdirentries_args ua; 241 242 NETBSD32TO64_UAP(fd); 243 NETBSD32TOP_UAP(buf, char); 244 NETBSD32TO64_UAP(count); 245 NETBSD32TOP_UAP(basep, long); 246 247 return (compat_12_sys_getdirentries(l, &ua, retval)); 248 } 249