netbsd32_compat_12.c revision 1.33.36.3
1 /* $NetBSD: netbsd32_compat_12.c,v 1.33.36.3 2018/09/11 01:52:00 pgoyette 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 1.33.36.3 2018/09/11 01:52:00 pgoyette 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_syscallargs.h> 55 56 static void netbsd32_stat12_to_netbsd32(struct stat12 *, 57 struct netbsd32_stat12 *); 58 59 /* for use with {,fl}stat() */ 60 static void 61 netbsd32_stat12_to_netbsd32(struct stat12 *sp12, struct netbsd32_stat12 *sp32) 62 { 63 64 sp32->st_dev = sp12->st_dev; 65 sp32->st_ino = sp12->st_ino; 66 sp32->st_mode = sp12->st_mode; 67 sp32->st_nlink = sp12->st_nlink; 68 sp32->st_uid = sp12->st_uid; 69 sp32->st_gid = sp12->st_gid; 70 sp32->st_rdev = sp12->st_rdev; 71 if (sp12->st_size < (quad_t)1 << 32) 72 sp32->st_size = sp12->st_size; 73 else 74 sp32->st_size = -2; 75 sp32->st_atimespec.tv_sec = sp12->st_atimespec.tv_sec; 76 sp32->st_atimespec.tv_nsec = sp12->st_atimespec.tv_nsec; 77 sp32->st_mtimespec.tv_sec = sp12->st_mtimespec.tv_sec; 78 sp32->st_mtimespec.tv_nsec = sp12->st_mtimespec.tv_nsec; 79 sp32->st_ctimespec.tv_sec = sp12->st_ctimespec.tv_sec; 80 sp32->st_ctimespec.tv_nsec = sp12->st_ctimespec.tv_nsec; 81 sp32->st_blocks = sp12->st_blocks; 82 sp32->st_blksize = sp12->st_blksize; 83 sp32->st_flags = sp12->st_flags; 84 sp32->st_gen = sp12->st_gen; 85 } 86 87 int 88 compat_12_netbsd32_reboot(struct lwp *l, const struct compat_12_netbsd32_reboot_args *uap, register_t *retval) 89 { 90 /* { 91 syscallarg(int) opt; 92 } */ 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(struct lwp *l, const struct compat_12_netbsd32_msync_args *uap, register_t *retval) 101 { 102 /* { 103 syscallarg(netbsd32_voidp) addr; 104 syscallarg(netbsd32_size_t) len; 105 } */ 106 struct sys___msync13_args ua; 107 108 NETBSD32TOP_UAP(addr, void *); 109 NETBSD32TOX_UAP(len, size_t); 110 SCARG(&ua, flags) = MS_SYNC | MS_INVALIDATE; 111 return (sys___msync13(l, &ua, retval)); 112 } 113 114 int 115 compat_12_netbsd32_oswapon(struct lwp *l, const struct compat_12_netbsd32_oswapon_args *uap, register_t *retval) 116 { 117 /* { 118 syscallarg(const netbsd32_charp) name; 119 } */ 120 struct sys_swapctl_args ua; 121 122 SCARG(&ua, cmd) = SWAP_ON; 123 SCARG(&ua, arg) = SCARG_P32(uap, name); 124 SCARG(&ua, misc) = 0; /* priority */ 125 return (sys_swapctl(l, &ua, retval)); 126 } 127 128 int 129 compat_12_netbsd32_stat12(struct lwp *l, const struct compat_12_netbsd32_stat12_args *uap, register_t *retval) 130 { 131 /* { 132 syscallarg(const netbsd32_charp) path; 133 syscallarg(netbsd32_stat12p_t) ub; 134 } */ 135 struct netbsd32_stat12 sb32; 136 struct stat12 sb12; 137 struct stat sb; 138 int error; 139 140 error = do_sys_stat(SCARG_P32(uap, path), FOLLOW, &sb); 141 if (error) 142 return (error); 143 144 compat_12_stat_conv(&sb, &sb12); 145 netbsd32_stat12_to_netbsd32(&sb12, &sb32); 146 147 return (copyout(&sb32, SCARG_P32(uap, ub), sizeof sb32)); 148 } 149 150 int 151 compat_12_netbsd32_fstat12(struct lwp *l, const struct compat_12_netbsd32_fstat12_args *uap, register_t *retval) 152 { 153 /* { 154 syscallarg(int) fd; 155 syscallarg(netbsd32_stat12p_t) sb; 156 } */ 157 struct netbsd32_stat12 sb32; 158 struct stat12 sb12; 159 struct stat sb; 160 int error; 161 162 error = do_sys_fstat(SCARG(uap, fd), &sb); 163 if (error) 164 return (error); 165 166 compat_12_stat_conv(&sb, &sb12); 167 netbsd32_stat12_to_netbsd32(&sb12, &sb32); 168 169 return (copyout(&sb32, SCARG_P32(uap, sb), sizeof sb32)); 170 } 171 172 int 173 compat_12_netbsd32_lstat12(struct lwp *l, const struct compat_12_netbsd32_lstat12_args *uap, register_t *retval) 174 { 175 /* { 176 syscallarg(const netbsd32_charp) path; 177 syscallarg(netbsd32_stat12p_t) ub; 178 } */ 179 struct netbsd32_stat12 sb32; 180 struct stat12 sb12; 181 struct stat sb; 182 int error; 183 184 error = do_sys_stat(SCARG_P32(uap, path), NOFOLLOW, &sb); 185 if (error) 186 return (error); 187 188 compat_12_stat_conv(&sb, &sb12); 189 netbsd32_stat12_to_netbsd32(&sb12, &sb32); 190 191 return (copyout(&sb32, SCARG_P32(uap, ub), sizeof sb32)); 192 } 193 194 int 195 compat_12_netbsd32_getdirentries(struct lwp *l, const struct compat_12_netbsd32_getdirentries_args *uap, register_t *retval) 196 { 197 /* { 198 syscallarg(int) fd; 199 syscallarg(netbsd32_charp) buf; 200 syscallarg(u_int) count; 201 syscallarg(netbsd32_longp) basep; 202 } */ 203 struct compat_12_sys_getdirentries_args ua; 204 205 NETBSD32TO64_UAP(fd); 206 NETBSD32TOP_UAP(buf, char); 207 NETBSD32TO64_UAP(count); 208 NETBSD32TOP_UAP(basep, long); 209 210 return (compat_12_sys_getdirentries(l, &ua, retval)); 211 } 212 213 static struct syscall_package compat_netbsd32_12_syscalls[] = { 214 { NETBSD32_SYS_reboot, 0, 215 (sy_call_t *)compat_12_netbsd32_reboot }, 216 { NETBSD32_SYS_msync, 0, 217 (sy_call_t *)compat_12_netbsd32_msync }, 218 { NETBSD32_SYS_swapon, 0, 219 (sy_call_t *)compat_12_netbsd32_swapon }, 220 { NETBSD32_SYS_stat12, 0, 221 (sy_call_t *)compat_12_netbsd32_stat12 }, 222 { NETBSD32_SYS_fstat12, 0, 223 (sy_call_t *)compat_12_netbsd32_fstat12 }, 224 { NETBSD32_SYS_lstat12, 0, 225 (sy_call_t *)compat_12_netbsd32_lstat12 }, 226 { NETBSD32_SYS_getdirentries, 0, 227 (sy_call_t *)compat_12_netbsd32_getdirentries }, 228 { 0, 0, NULL } 229 }; 230 231 MODULE(MODULE_CLASS_EXEC, compat_netbsd32_12, "compat_netbsd32,compat_12"); 232 233 static int 234 compat_netbsd32_12_modcmd(modcmd_t cmd, void *arg) 235 { 236 237 switch (cmd) { 238 case MODULE_CMD_INIT: 239 return syscall_establish(NULL, compat_netbsd32_12_syscalls); 240 241 case MODULE_CMD_FINI: 242 return syscall_disestablish(NULL, compat_netbsd32_12_syscalls); 243 244 default: 245 return ENOTTY; 246 } 247 } 248
Indexes created Thu Oct 02 07:10:07 GMT 2025