netbsd32_compat_12.c revision 1.33.36.6
1 /* $NetBSD: netbsd32_compat_12.c,v 1.33.36.6 2018/09/11 05:00:42 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 1.33.36.6 2018/09/11 05:00:42 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_syscall.h> 55 #include <compat/netbsd32/netbsd32_syscallargs.h> 56 57 extern struct emul emul_netbsd32; 58 59 static void netbsd32_stat12_to_netbsd32(struct stat12 *, 60 struct netbsd32_stat12 *); 61 62 /* for use with {,fl}stat() */ 63 static void 64 netbsd32_stat12_to_netbsd32(struct stat12 *sp12, struct netbsd32_stat12 *sp32) 65 { 66 67 sp32->st_dev = sp12->st_dev; 68 sp32->st_ino = sp12->st_ino; 69 sp32->st_mode = sp12->st_mode; 70 sp32->st_nlink = sp12->st_nlink; 71 sp32->st_uid = sp12->st_uid; 72 sp32->st_gid = sp12->st_gid; 73 sp32->st_rdev = sp12->st_rdev; 74 if (sp12->st_size < (quad_t)1 << 32) 75 sp32->st_size = sp12->st_size; 76 else 77 sp32->st_size = -2; 78 sp32->st_atimespec.tv_sec = sp12->st_atimespec.tv_sec; 79 sp32->st_atimespec.tv_nsec = sp12->st_atimespec.tv_nsec; 80 sp32->st_mtimespec.tv_sec = sp12->st_mtimespec.tv_sec; 81 sp32->st_mtimespec.tv_nsec = sp12->st_mtimespec.tv_nsec; 82 sp32->st_ctimespec.tv_sec = sp12->st_ctimespec.tv_sec; 83 sp32->st_ctimespec.tv_nsec = sp12->st_ctimespec.tv_nsec; 84 sp32->st_blocks = sp12->st_blocks; 85 sp32->st_blksize = sp12->st_blksize; 86 sp32->st_flags = sp12->st_flags; 87 sp32->st_gen = sp12->st_gen; 88 } 89 90 int 91 compat_12_netbsd32_reboot(struct lwp *l, const struct compat_12_netbsd32_reboot_args *uap, register_t *retval) 92 { 93 /* { 94 syscallarg(int) opt; 95 } */ 96 struct compat_12_sys_reboot_args ua; 97 98 NETBSD32TO64_UAP(opt); 99 return (compat_12_sys_reboot(l, &ua, retval)); 100 } 101 102 int 103 compat_12_netbsd32_msync(struct lwp *l, const struct compat_12_netbsd32_msync_args *uap, register_t *retval) 104 { 105 /* { 106 syscallarg(netbsd32_voidp) addr; 107 syscallarg(netbsd32_size_t) len; 108 } */ 109 struct sys___msync13_args ua; 110 111 NETBSD32TOP_UAP(addr, void *); 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(struct lwp *l, const struct compat_12_netbsd32_oswapon_args *uap, register_t *retval) 119 { 120 /* { 121 syscallarg(const netbsd32_charp) name; 122 } */ 123 struct sys_swapctl_args ua; 124 125 SCARG(&ua, cmd) = SWAP_ON; 126 SCARG(&ua, arg) = SCARG_P32(uap, name); 127 SCARG(&ua, misc) = 0; /* priority */ 128 return (sys_swapctl(l, &ua, retval)); 129 } 130 131 int 132 compat_12_netbsd32_stat12(struct lwp *l, const struct compat_12_netbsd32_stat12_args *uap, register_t *retval) 133 { 134 /* { 135 syscallarg(const netbsd32_charp) path; 136 syscallarg(netbsd32_stat12p_t) ub; 137 } */ 138 struct netbsd32_stat12 sb32; 139 struct stat12 sb12; 140 struct stat sb; 141 int error; 142 143 error = do_sys_stat(SCARG_P32(uap, path), FOLLOW, &sb); 144 if (error) 145 return (error); 146 147 compat_12_stat_conv(&sb, &sb12); 148 netbsd32_stat12_to_netbsd32(&sb12, &sb32); 149 150 return (copyout(&sb32, SCARG_P32(uap, ub), sizeof sb32)); 151 } 152 153 int 154 compat_12_netbsd32_fstat12(struct lwp *l, const struct compat_12_netbsd32_fstat12_args *uap, register_t *retval) 155 { 156 /* { 157 syscallarg(int) fd; 158 syscallarg(netbsd32_stat12p_t) sb; 159 } */ 160 struct netbsd32_stat12 sb32; 161 struct stat12 sb12; 162 struct stat sb; 163 int error; 164 165 error = do_sys_fstat(SCARG(uap, fd), &sb); 166 if (error) 167 return (error); 168 169 compat_12_stat_conv(&sb, &sb12); 170 netbsd32_stat12_to_netbsd32(&sb12, &sb32); 171 172 return (copyout(&sb32, SCARG_P32(uap, sb), sizeof sb32)); 173 } 174 175 int 176 compat_12_netbsd32_lstat12(struct lwp *l, const struct compat_12_netbsd32_lstat12_args *uap, register_t *retval) 177 { 178 /* { 179 syscallarg(const netbsd32_charp) path; 180 syscallarg(netbsd32_stat12p_t) ub; 181 } */ 182 struct netbsd32_stat12 sb32; 183 struct stat12 sb12; 184 struct stat sb; 185 int error; 186 187 error = do_sys_stat(SCARG_P32(uap, path), NOFOLLOW, &sb); 188 if (error) 189 return (error); 190 191 compat_12_stat_conv(&sb, &sb12); 192 netbsd32_stat12_to_netbsd32(&sb12, &sb32); 193 194 return (copyout(&sb32, SCARG_P32(uap, ub), sizeof sb32)); 195 } 196 197 int 198 compat_12_netbsd32_getdirentries(struct lwp *l, const struct compat_12_netbsd32_getdirentries_args *uap, register_t *retval) 199 { 200 /* { 201 syscallarg(int) fd; 202 syscallarg(netbsd32_charp) buf; 203 syscallarg(u_int) count; 204 syscallarg(netbsd32_longp) basep; 205 } */ 206 struct compat_12_sys_getdirentries_args ua; 207 208 NETBSD32TO64_UAP(fd); 209 NETBSD32TOP_UAP(buf, char); 210 NETBSD32TO64_UAP(count); 211 NETBSD32TOP_UAP(basep, long); 212 213 return (compat_12_sys_getdirentries(l, &ua, retval)); 214 } 215 216 static struct syscall_package compat_netbsd32_12_syscalls[] = { 217 { NETBSD32_SYS_compat_12_netbsd32_reboot, 0, 218 (sy_call_t *)compat_12_netbsd32_reboot }, 219 { NETBSD32_SYS_compat_12_netbsd32_msync, 0, 220 (sy_call_t *)compat_12_netbsd32_msync }, 221 { NETBSD32_SYS_compat_12_netbsd32_oswapon, 0, 222 (sy_call_t *)compat_12_netbsd32_oswapon }, 223 { NETBSD32_SYS_compat_12_netbsd32_stat12, 0, 224 (sy_call_t *)compat_12_netbsd32_stat12 }, 225 { NETBSD32_SYS_compat_12_netbsd32_fstat12, 0, 226 (sy_call_t *)compat_12_netbsd32_fstat12 }, 227 { NETBSD32_SYS_compat_12_netbsd32_lstat12, 0, 228 (sy_call_t *)compat_12_netbsd32_lstat12 }, 229 { NETBSD32_SYS_compat_12_netbsd32_getdirentries, 0, 230 (sy_call_t *)compat_12_netbsd32_getdirentries }, 231 { 0, 0, NULL } 232 }; 233 234 MODULE(MODULE_CLASS_EXEC, compat_netbsd32_12, "compat_netbsd32,compat_12"); 235 236 static int 237 compat_netbsd32_12_modcmd(modcmd_t cmd, void *arg) 238 { 239 240 switch (cmd) { 241 case MODULE_CMD_INIT: 242 return syscall_establish(&emul_netbsd32, 243 compat_netbsd32_12_syscalls); 244 245 case MODULE_CMD_FINI: 246 return syscall_disestablish(&emul_netbsd32, 247 compat_netbsd32_12_syscalls); 248 249 default: 250 return ENOTTY; 251 } 252 } 253
Indexes created Thu Oct 02 07:10:07 GMT 2025