1 /* $NetBSD: netbsd32_compat_12.c,v 1.36 2021/09/07 11:43:05 riastradh 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 1.36 2021/09/07 11:43:05 riastradh 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/module.h> 39 #include <sys/filedesc.h> 40 #include <sys/mount.h> 41 #include <sys/mman.h> 42 #include <sys/namei.h> 43 #include <sys/proc.h> 44 #include <sys/stat.h> 45 #include <sys/swap.h> 46 #include <sys/vfs_syscalls.h> 47 48 #include <sys/syscallargs.h> 49 #include <sys/syscallvar.h> 50 51 #include <compat/sys/stat.h> 52 53 #include <compat/netbsd32/netbsd32.h> 54 #include <compat/netbsd32/netbsd32_syscall.h> 55 #include <compat/netbsd32/netbsd32_syscallargs.h> 56 57 static void netbsd32_stat12_to_netbsd32(struct stat12 *, 58 struct netbsd32_stat12 *); 59 60 /* for use with {,fl}stat() */ 61 static void 62 netbsd32_stat12_to_netbsd32(struct stat12 *sp12, struct netbsd32_stat12 *sp32) 63 { 64 65 memset(sp32, 0, sizeof(*sp32)); 66 sp32->st_dev = sp12->st_dev; 67 sp32->st_ino = sp12->st_ino; 68 sp32->st_mode = sp12->st_mode; 69 sp32->st_nlink = sp12->st_nlink; 70 sp32->st_uid = sp12->st_uid; 71 sp32->st_gid = sp12->st_gid; 72 sp32->st_rdev = sp12->st_rdev; 73 if (sp12->st_size < (quad_t)1 << 32) 74 sp32->st_size = sp12->st_size; 75 else 76 sp32->st_size = -2; 77 sp32->st_atimespec.tv_sec = sp12->st_atimespec.tv_sec; 78 sp32->st_atimespec.tv_nsec = sp12->st_atimespec.tv_nsec; 79 sp32->st_mtimespec.tv_sec = sp12->st_mtimespec.tv_sec; 80 sp32->st_mtimespec.tv_nsec = sp12->st_mtimespec.tv_nsec; 81 sp32->st_ctimespec.tv_sec = sp12->st_ctimespec.tv_sec; 82 sp32->st_ctimespec.tv_nsec = sp12->st_ctimespec.tv_nsec; 83 sp32->st_blocks = sp12->st_blocks; 84 sp32->st_blksize = sp12->st_blksize; 85 sp32->st_flags = sp12->st_flags; 86 sp32->st_gen = sp12->st_gen; 87 } 88 89 int 90 compat_12_netbsd32_reboot(struct lwp *l, const struct compat_12_netbsd32_reboot_args *uap, register_t *retval) 91 { 92 /* { 93 syscallarg(int) opt; 94 } */ 95 struct compat_12_sys_reboot_args ua; 96 97 NETBSD32TO64_UAP(opt); 98 return compat_12_sys_reboot(l, &ua, retval); 99 } 100 101 int 102 compat_12_netbsd32_msync(struct lwp *l, const struct compat_12_netbsd32_msync_args *uap, register_t *retval) 103 { 104 /* { 105 syscallarg(netbsd32_voidp) addr; 106 syscallarg(netbsd32_size_t) len; 107 } */ 108 struct sys___msync13_args ua; 109 110 NETBSD32TOP_UAP(addr, void *); 111 NETBSD32TOX_UAP(len, size_t); 112 SCARG(&ua, flags) = MS_SYNC | MS_INVALIDATE; 113 return sys___msync13(l, &ua, retval); 114 } 115 116 int 117 compat_12_netbsd32_oswapon(struct lwp *l, const struct compat_12_netbsd32_oswapon_args *uap, register_t *retval) 118 { 119 /* { 120 syscallarg(const netbsd32_charp) name; 121 } */ 122 struct sys_swapctl_args ua; 123 124 SCARG(&ua, cmd) = SWAP_ON; 125 SCARG(&ua, arg) = SCARG_P32(uap, name); 126 SCARG(&ua, misc) = 0; /* priority */ 127 return sys_swapctl(l, &ua, retval); 128 } 129 130 int 131 compat_12_netbsd32_stat12(struct lwp *l, const struct compat_12_netbsd32_stat12_args *uap, register_t *retval) 132 { 133 /* { 134 syscallarg(const netbsd32_charp) path; 135 syscallarg(netbsd32_stat12p_t) ub; 136 } */ 137 struct netbsd32_stat12 sb32; 138 struct stat12 sb12; 139 struct stat sb; 140 int error; 141 142 error = do_sys_stat(SCARG_P32(uap, path), FOLLOW, &sb); 143 if (error) 144 return error; 145 146 compat_12_stat_conv(&sb, &sb12); 147 netbsd32_stat12_to_netbsd32(&sb12, &sb32); 148 149 return copyout(&sb32, SCARG_P32(uap, ub), sizeof sb32); 150 } 151 152 int 153 compat_12_netbsd32_fstat12(struct lwp *l, const struct compat_12_netbsd32_fstat12_args *uap, register_t *retval) 154 { 155 /* { 156 syscallarg(int) fd; 157 syscallarg(netbsd32_stat12p_t) sb; 158 } */ 159 struct netbsd32_stat12 sb32; 160 struct stat12 sb12; 161 struct stat sb; 162 int error; 163 164 error = do_sys_fstat(SCARG(uap, fd), &sb); 165 if (error) 166 return error; 167 168 compat_12_stat_conv(&sb, &sb12); 169 netbsd32_stat12_to_netbsd32(&sb12, &sb32); 170 171 return copyout(&sb32, SCARG_P32(uap, sb), sizeof sb32); 172 } 173 174 int 175 compat_12_netbsd32_lstat12(struct lwp *l, const struct compat_12_netbsd32_lstat12_args *uap, register_t *retval) 176 { 177 /* { 178 syscallarg(const netbsd32_charp) path; 179 syscallarg(netbsd32_stat12p_t) ub; 180 } */ 181 struct netbsd32_stat12 sb32; 182 struct stat12 sb12; 183 struct stat sb; 184 int error; 185 186 error = do_sys_stat(SCARG_P32(uap, path), NOFOLLOW, &sb); 187 if (error) 188 return error; 189 190 compat_12_stat_conv(&sb, &sb12); 191 netbsd32_stat12_to_netbsd32(&sb12, &sb32); 192 193 return copyout(&sb32, SCARG_P32(uap, ub), sizeof sb32); 194 } 195 196 int 197 compat_12_netbsd32_getdirentries(struct lwp *l, const struct compat_12_netbsd32_getdirentries_args *uap, register_t *retval) 198 { 199 /* { 200 syscallarg(int) fd; 201 syscallarg(netbsd32_charp) buf; 202 syscallarg(u_int) count; 203 syscallarg(netbsd32_longp) basep; 204 } */ 205 struct compat_12_sys_getdirentries_args ua; 206 207 NETBSD32TO64_UAP(fd); 208 NETBSD32TOP_UAP(buf, char); 209 NETBSD32TO64_UAP(count); 210 NETBSD32TOP_UAP(basep, long); 211 212 return compat_12_sys_getdirentries(l, &ua, retval); 213 } 214 215 static struct syscall_package compat_netbsd32_12_syscalls[] = { 216 { NETBSD32_SYS_compat_12_netbsd32_reboot, 0, 217 (sy_call_t *)compat_12_netbsd32_reboot }, 218 { NETBSD32_SYS_compat_12_netbsd32_msync, 0, 219 (sy_call_t *)compat_12_netbsd32_msync }, 220 { NETBSD32_SYS_compat_12_netbsd32_oswapon, 0, 221 (sy_call_t *)compat_12_netbsd32_oswapon }, 222 { NETBSD32_SYS_compat_12_netbsd32_stat12, 0, 223 (sy_call_t *)compat_12_netbsd32_stat12 }, 224 { NETBSD32_SYS_compat_12_netbsd32_fstat12, 0, 225 (sy_call_t *)compat_12_netbsd32_fstat12 }, 226 { NETBSD32_SYS_compat_12_netbsd32_lstat12, 0, 227 (sy_call_t *)compat_12_netbsd32_lstat12 }, 228 { NETBSD32_SYS_compat_12_netbsd32_getdirentries, 0, 229 (sy_call_t *)compat_12_netbsd32_getdirentries }, 230 { 0, 0, NULL } 231 }; 232 233 MODULE(MODULE_CLASS_EXEC, compat_netbsd32_12, "compat_netbsd32_13,compat_12"); 234 235 static int 236 compat_netbsd32_12_modcmd(modcmd_t cmd, void *arg) 237 { 238 239 switch (cmd) { 240 case MODULE_CMD_INIT: 241 return syscall_establish(&emul_netbsd32, 242 compat_netbsd32_12_syscalls); 243 244 case MODULE_CMD_FINI: 245 return syscall_disestablish(&emul_netbsd32, 246 compat_netbsd32_12_syscalls); 247 248 default: 249 return ENOTTY; 250 } 251 } 252
Indexes created Sat Sep 20 22:09:52 GMT 2025