1 /* $NetBSD: netbsd32_compat_10_sysv.c,v 1.3 2021/01/19 03:20:13 simonb Exp $ */ 2 3 /* 4 * Copyright (c) 1994 Adam Glass and Charles M. Hannum. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by Adam Glass and Charles M. 17 * Hannum. 18 * 4. The names of the authors may not be used to endorse or promote products 19 * derived from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR 22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24 * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #include <sys/cdefs.h> 34 __KERNEL_RCSID(0, "$NetBSD: netbsd32_compat_10_sysv.c,v 1.3 2021/01/19 03:20:13 simonb Exp $"); 35 36 #ifdef _KERNEL_OPT 37 #include "opt_sysv.h" 38 #include "opt_compat_netbsd.h" 39 #endif 40 41 #include <sys/param.h> 42 #include <sys/systm.h> 43 #include <sys/module.h> 44 #include <sys/kernel.h> 45 #include <sys/proc.h> 46 #include <sys/sem.h> 47 48 #include <sys/mount.h> 49 #include <sys/syscallargs.h> 50 #include <sys/syscallvar.h> 51 52 #include <compat/netbsd32/netbsd32.h> 53 #include <compat/netbsd32/netbsd32_syscall.h> 54 #include <compat/netbsd32/netbsd32_syscallargs.h> 55 #include <compat/sys/shm.h> 56 57 #if defined(COMPAT_10) 58 59 #if defined(SYSVSEM) 60 int 61 compat_10_netbsd32_semsys(struct lwp *l, const struct compat_10_netbsd32_semsys_args *uap, register_t *retval) 62 { 63 /* { 64 syscallarg(int) which; 65 syscallarg(int) a2; 66 syscallarg(int) a3; 67 syscallarg(int) a4; 68 syscallarg(int) a5; 69 } */ 70 struct compat_50_netbsd32___semctl14_args /* { 71 syscallarg(int) semid; 72 syscallarg(int) semnum; 73 syscallarg(int) cmd; 74 syscallarg(union semun *) arg; 75 } */ __semctl_args; 76 struct sys_semget_args /* { 77 syscallarg(key_t) key; 78 syscallarg(int) nsems; 79 syscallarg(int) semflg; 80 } */ semget_args; 81 struct sys_semop_args /* { 82 syscallarg(int) semid; 83 syscallarg(struct sembuf *) sops; 84 syscallarg(u_int) nsops; 85 } */ semop_args; 86 struct sys_semconfig_args /* { 87 syscallarg(int) flag; 88 } */ semconfig_args; 89 int a5; 90 91 switch (SCARG(uap, which)) { 92 case 0: /* __semctl() */ 93 SCARG(&__semctl_args, semid) = SCARG(uap, a2); 94 SCARG(&__semctl_args, semnum) = SCARG(uap, a3); 95 SCARG(&__semctl_args, cmd) = SCARG(uap, a4); 96 a5 = SCARG(uap, a5); 97 return do_netbsd32___semctl14(l, &__semctl_args, retval, &a5); 98 99 case 1: /* semget() */ 100 SCARG(&semget_args, key) = SCARG(uap, a2); 101 SCARG(&semget_args, nsems) = SCARG(uap, a3); 102 SCARG(&semget_args, semflg) = SCARG(uap, a4); 103 return sys_semget(l, &semget_args, retval); 104 105 case 2: /* semop() */ 106 SCARG(&semop_args, semid) = SCARG(uap, a2); 107 SCARG(&semop_args, sops) = NETBSD32IPTR64(SCARG(uap, a3)); 108 SCARG(&semop_args, nsops) = SCARG(uap, a4); 109 return sys_semop(l, &semop_args, retval); 110 111 case 3: /* semconfig() */ 112 SCARG(&semconfig_args, flag) = SCARG(uap, a2); 113 return sys_semconfig(l, &semconfig_args, retval); 114 115 default: 116 return EINVAL; 117 } 118 } 119 #endif 120 121 #if defined(SYSVSHM) 122 int 123 compat_10_netbsd32_shmsys(struct lwp *l, const struct compat_10_netbsd32_shmsys_args *uap, register_t *retval) 124 { 125 /* { 126 syscallarg(int) which; 127 syscallarg(int) a2; 128 syscallarg(int) a3; 129 syscallarg(int) a4; 130 } */ 131 struct sys_shmat_args /* { 132 syscallarg(int) shmid; 133 syscallarg(void *) shmaddr; 134 syscallarg(int) shmflg; 135 } */ shmat_args; 136 struct compat_14_sys_shmctl_args /* { 137 syscallarg(int) shmid; 138 syscallarg(int) cmd; 139 syscallarg(struct shmid_ds50 *) buf; 140 } */ shmctl_args; 141 struct sys_shmdt_args /* { 142 syscallarg(void *) shmaddr; 143 } */ shmdt_args; 144 struct sys_shmget_args /* { 145 syscallarg(key_t) key; 146 syscallarg(int) size; 147 syscallarg(int) shmflg; 148 } */ shmget_args; 149 150 switch (SCARG(uap, which)) { 151 case 0: /* shmat() */ 152 SCARG(&shmat_args, shmid) = SCARG(uap, a2); 153 SCARG(&shmat_args, shmaddr) = NETBSD32IPTR64(SCARG(uap, a3)); 154 SCARG(&shmat_args, shmflg) = SCARG(uap, a4); 155 return sys_shmat(l, &shmat_args, retval); 156 157 case 1: /* shmctl() */ 158 SCARG(&shmctl_args, shmid) = SCARG(uap, a2); 159 SCARG(&shmctl_args, cmd) = SCARG(uap, a3); 160 SCARG(&shmctl_args, buf) = NETBSD32IPTR64(SCARG(uap, a4)); 161 return compat_14_sys_shmctl(l, &shmctl_args, retval); 162 163 case 2: /* shmdt() */ 164 SCARG(&shmdt_args, shmaddr) = NETBSD32IPTR64(SCARG(uap, a2)); 165 return sys_shmdt(l, &shmdt_args, retval); 166 167 case 3: /* shmget() */ 168 SCARG(&shmget_args, key) = SCARG(uap, a2); 169 SCARG(&shmget_args, size) = SCARG(uap, a3); 170 SCARG(&shmget_args, shmflg) = SCARG(uap, a4); 171 return sys_shmget(l, &shmget_args, retval); 172 173 default: 174 return EINVAL; 175 } 176 } 177 #endif 178 179 #if defined(SYSVMSG) 180 int 181 compat_10_netbsd32_msgsys(struct lwp *l, const struct compat_10_netbsd32_msgsys_args *uap, register_t *retval) 182 { 183 /* { 184 syscallarg(int) which; 185 syscallarg(int) a2; 186 syscallarg(int) a3; 187 syscallarg(int) a4; 188 syscallarg(int) a5; 189 syscallarg(int) a6; 190 } */ 191 struct compat_14_sys_msgctl_args /* { 192 syscallarg(int) msqid; 193 syscallarg(int) cmd; 194 syscallarg(struct msqid_ds *) buf; 195 } */ msgctl_args; 196 struct sys_msgget_args /* { 197 syscallarg(key_t) key; 198 syscallarg(int) msgflg; 199 } */ msgget_args; 200 struct sys_msgsnd_args /* { 201 syscallarg(int) msqid; 202 syscallarg(void *) msgp; 203 syscallarg(size_t) msgsz; 204 syscallarg(int) msgflg; 205 } */ msgsnd_args; 206 struct sys_msgrcv_args /* { 207 syscallarg(int) msqid; 208 syscallarg(void *) msgp; 209 syscallarg(size_t) msgsz; 210 syscallarg(long) msgtyp; 211 syscallarg(int) msgflg; 212 } */ msgrcv_args; 213 214 switch (SCARG(uap, which)) { 215 case 0: /* msgctl()*/ 216 SCARG(&msgctl_args, msqid) = SCARG(uap, a2); 217 SCARG(&msgctl_args, cmd) = SCARG(uap, a3); 218 SCARG(&msgctl_args, buf) = NETBSD32IPTR64(SCARG(uap, a4)); 219 return compat_14_sys_msgctl(l, &msgctl_args, retval); 220 221 case 1: /* msgget() */ 222 SCARG(&msgget_args, key) = SCARG(uap, a2); 223 SCARG(&msgget_args, msgflg) = SCARG(uap, a3); 224 return sys_msgget(l, &msgget_args, retval); 225 226 case 2: /* msgsnd() */ 227 SCARG(&msgsnd_args, msqid) = SCARG(uap, a2); 228 SCARG(&msgsnd_args, msgp) = NETBSD32IPTR64(SCARG(uap, a3)); 229 SCARG(&msgsnd_args, msgsz) = SCARG(uap, a4); 230 SCARG(&msgsnd_args, msgflg) = SCARG(uap, a5); 231 return sys_msgsnd(l, &msgsnd_args, retval); 232 233 case 3: /* msgrcv() */ 234 SCARG(&msgrcv_args, msqid) = SCARG(uap, a2); 235 SCARG(&msgrcv_args, msgp) = NETBSD32IPTR64(SCARG(uap, a3)); 236 SCARG(&msgrcv_args, msgsz) = SCARG(uap, a4); 237 SCARG(&msgrcv_args, msgtyp) = SCARG(uap, a5); 238 SCARG(&msgrcv_args, msgflg) = SCARG(uap, a6); 239 return sys_msgrcv(l, &msgrcv_args, retval); 240 241 default: 242 return EINVAL; 243 } 244 } 245 #endif 246 247 #define _PKG_ENTRY(name) \ 248 { NETBSD32_SYS_ ## name, 0, (sy_call_t *)name } 249 250 #define _PKG_ENTRY2(code, name) \ 251 { NETBSD32_SYS_ ## code, 0, (sy_call_t *)name } 252 253 static const struct syscall_package compat_sysvipc_10_syscalls[] = { 254 #if defined(SYSVSEM) 255 _PKG_ENTRY2(compat_10_osemsys, compat_10_netbsd32_semsys), 256 #endif 257 #if defined(SYSVSHM) 258 _PKG_ENTRY2(compat_10_oshmsys, compat_10_netbsd32_shmsys), 259 #endif 260 #if defined(SYSVMSG) 261 _PKG_ENTRY2(compat_10_omsgsys, compat_10_netbsd32_msgsys), 262 #endif 263 { 0, 0, NULL } 264 }; 265 266 #define REQ1 "sysv_ipc,compat_sysv_10," 267 #define REQ2 "compat_netbsd32,compat_netbsd32_sysvipc," 268 #define REQ3 "compat_netbsd32_sysvipc_14,compat_netbsd32_sysvipc_50" 269 270 MODULE(MODULE_CLASS_EXEC, compat_netbsd32_sysvipc_10, REQ1 REQ2 REQ3 ); 271 272 static int 273 compat_netbsd32_sysvipc_10_modcmd(modcmd_t cmd, void *arg) 274 { 275 276 switch (cmd) { 277 case MODULE_CMD_INIT: 278 return syscall_establish(&emul_netbsd32, 279 compat_sysvipc_10_syscalls); 280 281 case MODULE_CMD_FINI: 282 return syscall_disestablish(&emul_netbsd32, 283 compat_sysvipc_10_syscalls); 284 285 default: 286 return ENOTTY; 287 } 288 } 289 290 #endif /* COMPAT_10 */ 291