netbsd32_compat_12.c revision 1.23
1/* $NetBSD: netbsd32_compat_12.c,v 1.23 2007/03/04 07:54:07 christos 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 1.23 2007/03/04 07:54:07 christos 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 52static void netbsd32_stat12_to_netbsd32 __P((struct stat12 *, 53 struct netbsd32_stat12 *)); 54 55/* for use with {,fl}stat() */ 56static void 57netbsd32_stat12_to_netbsd32(sp12, sp32) 58 struct stat12 *sp12; 59 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 85int 86compat_12_netbsd32_reboot(l, v, retval) 87 struct lwp *l; 88 void *v; 89 register_t *retval; 90{ 91 struct compat_12_netbsd32_reboot_args /* { 92 syscallarg(int) opt; 93 } */ *uap = v; 94 struct compat_12_sys_reboot_args ua; 95 96 NETBSD32TO64_UAP(opt); 97 return (compat_12_sys_reboot(l, &ua, retval)); 98} 99 100int 101compat_12_netbsd32_msync(l, v, retval) 102 struct lwp *l; 103 void *v; 104 register_t *retval; 105{ 106 struct compat_12_netbsd32_msync_args /* { 107 syscallarg(netbsd32_caddr_t) addr; 108 syscallarg(netbsd32_size_t) len; 109 } */ *uap = v; 110 struct sys___msync13_args ua; 111 112 NETBSD32TOX64_UAP(addr, void *); 113 NETBSD32TOX_UAP(len, size_t); 114 SCARG(&ua, flags) = MS_SYNC | MS_INVALIDATE; 115 return (sys___msync13(l, &ua, retval)); 116} 117 118int 119compat_12_netbsd32_oswapon(l, v, retval) 120 struct lwp *l; 121 void *v; 122 register_t *retval; 123{ 124 struct compat_12_netbsd32_oswapon_args /* { 125 syscallarg(const netbsd32_charp) name; 126 } */ *uap = v; 127 struct sys_swapctl_args ua; 128 129 SCARG(&ua, cmd) = SWAP_ON; 130 SCARG(&ua, arg) = (void *)NETBSD32PTR64(SCARG(uap, name)); 131 SCARG(&ua, misc) = 0; /* priority */ 132 return (sys_swapctl(l, &ua, retval)); 133} 134 135int 136compat_12_netbsd32_stat12(l, v, retval) 137 struct lwp *l; 138 void *v; 139 register_t *retval; 140{ 141 struct proc *p = l->l_proc; 142 struct compat_12_netbsd32_stat12_args /* { 143 syscallarg(const netbsd32_charp) path; 144 syscallarg(netbsd32_stat12p_t) ub; 145 } */ *uap = v; 146 struct netbsd32_stat12 *sp32, sb32; 147 struct stat12 sb12; 148 struct stat12 *sp12 = &sb12; 149 struct compat_12_sys_stat_args ua; 150 void *sg; 151 int rv; 152 153 NETBSD32TOP_UAP(path, const char); 154 SCARG(&ua, ub) = &sb12; 155 sg = stackgap_init(p, 0); 156 CHECK_ALT_EXIST(l, &sg, SCARG(&ua, path)); 157 158 rv = compat_12_sys_stat(l, &ua, retval); 159 if (rv) 160 return (rv); 161 162 sp32 = (struct netbsd32_stat12 *)NETBSD32PTR64(SCARG(uap, ub)); 163 netbsd32_stat12_to_netbsd32(sp12, &sb32); 164 165 return (copyout(&sb32, sp32, sizeof sb32)); 166} 167 168int 169compat_12_netbsd32_fstat12(l, v, retval) 170 struct lwp *l; 171 void *v; 172 register_t *retval; 173{ 174 struct compat_12_netbsd32_fstat12_args /* { 175 syscallarg(int) fd; 176 syscallarg(netbsd32_stat12p_t) sb; 177 } */ *uap = v; 178 struct netbsd32_stat12 *sp32, sb32; 179 struct stat12 sb12; 180 struct stat12 *sp12 = &sb12; 181 struct compat_12_sys_fstat_args ua; 182 int rv; 183 184 NETBSD32TO64_UAP(fd); 185 SCARG(&ua, sb) = &sb12; 186 rv = compat_12_sys_fstat(l, &ua, retval); 187 if (rv) 188 return (rv); 189 190 sp32 = (struct netbsd32_stat12 *)NETBSD32PTR64(SCARG(uap, sb)); 191 netbsd32_stat12_to_netbsd32(sp12, &sb32); 192 193 return (copyout(&sb32, sp32, sizeof sb32)); 194} 195 196int 197compat_12_netbsd32_lstat12(l, v, retval) 198 struct lwp *l; 199 void *v; 200 register_t *retval; 201{ 202 struct proc *p = l->l_proc; 203 struct compat_12_netbsd32_lstat12_args /* { 204 syscallarg(const netbsd32_charp) path; 205 syscallarg(netbsd32_stat12p_t) ub; 206 } */ *uap = v; 207 struct netbsd32_stat12 *sp32, sb32; 208 struct stat12 sb12; 209 struct stat12 *sp12 = &sb12; 210 struct compat_12_sys_lstat_args ua; 211 void *sg; 212 int rv; 213 214 NETBSD32TOP_UAP(path, const char); 215 SCARG(&ua, ub) = &sb12; 216 sg = stackgap_init(p, 0); 217 CHECK_ALT_EXIST(l, &sg, SCARG(&ua, path)); 218 219 rv = compat_12_sys_lstat(l, &ua, retval); 220 if (rv) 221 return (rv); 222 223 sp32 = (struct netbsd32_stat12 *)NETBSD32PTR64(SCARG(uap, ub)); 224 netbsd32_stat12_to_netbsd32(sp12, &sb32); 225 226 return (copyout(&sb32, sp32, sizeof sb32)); 227} 228 229int 230compat_12_netbsd32_getdirentries(l, v, retval) 231 struct lwp *l; 232 void *v; 233 register_t *retval; 234{ 235 struct compat_12_netbsd32_getdirentries_args /* { 236 syscallarg(int) fd; 237 syscallarg(netbsd32_charp) buf; 238 syscallarg(u_int) count; 239 syscallarg(netbsd32_longp) basep; 240 } */ *uap = v; 241 struct compat_12_sys_getdirentries_args ua; 242 243 NETBSD32TO64_UAP(fd); 244 NETBSD32TOP_UAP(buf, char); 245 NETBSD32TO64_UAP(count); 246 NETBSD32TOP_UAP(basep, long); 247 248 return (compat_12_sys_getdirentries(l, &ua, retval)); 249} 250