1 /* $NetBSD: netbsd32_compat_10_sysv.c,v 1.4 2026/09/20 13:45:00 riastradh 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 1.4 2026/09/20 13:45:00 riastradh 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 memset(&__semctl_args, 0, sizeof(__semctl_args)); 94 SCARG(&__semctl_args, semid) = SCARG(uap, a2); 95 SCARG(&__semctl_args, semnum) = SCARG(uap, a3); 96 SCARG(&__semctl_args, cmd) = SCARG(uap, a4); 97 a5 = SCARG(uap, a5); 98 return do_netbsd32___semctl14(l, &__semctl_args, retval, &a5); 99 100 case 1: /* semget() */ 101 memset(&semget_args, 0, sizeof(semget_args)); 102 SCARG(&semget_args, key) = SCARG(uap, a2); 103 SCARG(&semget_args, nsems) = SCARG(uap, a3); 104 SCARG(&semget_args, semflg) = SCARG(uap, a4); 105 return sys_semget(l, &semget_args, retval); 106 107 case 2: /* semop() */ 108 memset(&semop_args, 0, sizeof(semop_args)); 109 SCARG(&semop_args, semid) = SCARG(uap, a2); 110 SCARG(&semop_args, sops) = NETBSD32IPTR64(SCARG(uap, a3)); 111 SCARG(&semop_args, nsops) = SCARG(uap, a4); 112 return sys_semop(l, &semop_args, retval); 113 114 case 3: /* semconfig() */ 115 memset(&semconfig_args, 0, sizeof(semconfig_args)); 116 SCARG(&semconfig_args, flag) = SCARG(uap, a2); 117 return sys_semconfig(l, &semconfig_args, retval); 118 119 default: 120 return EINVAL; 121 } 122 } 123 #endif 124 125 #if defined(SYSVSHM) 126 int 127 compat_10_netbsd32_shmsys(struct lwp *l, const struct compat_10_netbsd32_shmsys_args *uap, register_t *retval) 128 { 129 /* { 130 syscallarg(int) which; 131 syscallarg(int) a2; 132 syscallarg(int) a3; 133 syscallarg(int) a4; 134 } */ 135 struct sys_shmat_args /* { 136 syscallarg(int) shmid; 137 syscallarg(void *) shmaddr; 138 syscallarg(int) shmflg; 139 } */ shmat_args; 140 struct compat_14_sys_shmctl_args /* { 141 syscallarg(int) shmid; 142 syscallarg(int) cmd; 143 syscallarg(struct shmid_ds50 *) buf; 144 } */ shmctl_args; 145 struct sys_shmdt_args /* { 146 syscallarg(void *) shmaddr; 147 } */ shmdt_args; 148 struct sys_shmget_args /* { 149 syscallarg(key_t) key; 150 syscallarg(int) size; 151 syscallarg(int) shmflg; 152 } */ shmget_args; 153 154 switch (SCARG(uap, which)) { 155 case 0: /* shmat() */ 156 memset(&shmat_args, 0, sizeof(shmat_args)); 157 SCARG(&shmat_args, shmid) = SCARG(uap, a2); 158 SCARG(&shmat_args, shmaddr) = NETBSD32IPTR64(SCARG(uap, a3)); 159 SCARG(&shmat_args, shmflg) = SCARG(uap, a4); 160 return sys_shmat(l, &shmat_args, retval); 161 162 case 1: /* shmctl() */ 163 memset(&shmctl_args, 0, sizeof(shmctl_args)); 164 SCARG(&shmctl_args, shmid) = SCARG(uap, a2); 165 SCARG(&shmctl_args, cmd) = SCARG(uap, a3); 166 SCARG(&shmctl_args, buf) = NETBSD32IPTR64(SCARG(uap, a4)); 167 return compat_14_sys_shmctl(l, &shmctl_args, retval); 168 169 case 2: /* shmdt() */ 170 memset(&shmdt_args, 0, sizeof(shmdt_args)); 171 SCARG(&shmdt_args, shmaddr) = NETBSD32IPTR64(SCARG(uap, a2)); 172 return sys_shmdt(l, &shmdt_args, retval); 173 174 case 3: /* shmget() */ 175 memset(&shmget_args, 0, sizeof(shmget_args)); 176 SCARG(&shmget_args, key) = SCARG(uap, a2); 177 SCARG(&shmget_args, size) = SCARG(uap, a3); 178 SCARG(&shmget_args, shmflg) = SCARG(uap, a4); 179 return sys_shmget(l, &shmget_args, retval); 180 181 default: 182 return EINVAL; 183 } 184 } 185 #endif 186 187 #if defined(SYSVMSG) 188 int 189 compat_10_netbsd32_msgsys(struct lwp *l, const struct compat_10_netbsd32_msgsys_args *uap, register_t *retval) 190 { 191 /* { 192 syscallarg(int) which; 193 syscallarg(int) a2; 194 syscallarg(int) a3; 195 syscallarg(int) a4; 196 syscallarg(int) a5; 197 syscallarg(int) a6; 198 } */ 199 struct compat_14_sys_msgctl_args /* { 200 syscallarg(int) msqid; 201 syscallarg(int) cmd; 202 syscallarg(struct msqid_ds *) buf; 203 } */ msgctl_args; 204 struct sys_msgget_args /* { 205 syscallarg(key_t) key; 206 syscallarg(int) msgflg; 207 } */ msgget_args; 208 struct sys_msgsnd_args /* { 209 syscallarg(int) msqid; 210 syscallarg(void *) msgp; 211 syscallarg(size_t) msgsz; 212 syscallarg(int) msgflg; 213 } */ msgsnd_args; 214 struct sys_msgrcv_args /* { 215 syscallarg(int) msqid; 216 syscallarg(void *) msgp; 217 syscallarg(size_t) msgsz; 218 syscallarg(long) msgtyp; 219 syscallarg(int) msgflg; 220 } */ msgrcv_args; 221 222 switch (SCARG(uap, which)) { 223 case 0: /* msgctl()*/ 224 memset(&msgctl_args, 0, sizeof(msgctl_args)); 225 SCARG(&msgctl_args, msqid) = SCARG(uap, a2); 226 SCARG(&msgctl_args, cmd) = SCARG(uap, a3); 227 SCARG(&msgctl_args, buf) = NETBSD32IPTR64(SCARG(uap, a4)); 228 return compat_14_sys_msgctl(l, &msgctl_args, retval); 229 230 case 1: /* msgget() */ 231 memset(&msgget_args, 0, sizeof(msgget_args)); 232 SCARG(&msgget_args, key) = SCARG(uap, a2); 233 SCARG(&msgget_args, msgflg) = SCARG(uap, a3); 234 return sys_msgget(l, &msgget_args, retval); 235 236 case 2: /* msgsnd() */ 237 memset(&msgsnd_args, 0, sizeof(msgsnd_args)); 238 SCARG(&msgsnd_args, msqid) = SCARG(uap, a2); 239 SCARG(&msgsnd_args, msgp) = NETBSD32IPTR64(SCARG(uap, a3)); 240 SCARG(&msgsnd_args, msgsz) = SCARG(uap, a4); 241 SCARG(&msgsnd_args, msgflg) = SCARG(uap, a5); 242 return sys_msgsnd(l, &msgsnd_args, retval); 243 244 case 3: /* msgrcv() */ 245 memset(&msgrcv_args, 0, sizeof(msgrcv_args)); 246 SCARG(&msgrcv_args, msqid) = SCARG(uap, a2); 247 SCARG(&msgrcv_args, msgp) = NETBSD32IPTR64(SCARG(uap, a3)); 248 SCARG(&msgrcv_args, msgsz) = SCARG(uap, a4); 249 SCARG(&msgrcv_args, msgtyp) = SCARG(uap, a5); 250 SCARG(&msgrcv_args, msgflg) = SCARG(uap, a6); 251 return sys_msgrcv(l, &msgrcv_args, retval); 252 253 default: 254 return EINVAL; 255 } 256 } 257 #endif 258 259 #define _PKG_ENTRY(name) \ 260 { NETBSD32_SYS_ ## name, 0, (sy_call_t *)name } 261 262 #define _PKG_ENTRY2(code, name) \ 263 { NETBSD32_SYS_ ## code, 0, (sy_call_t *)name } 264 265 static const struct syscall_package compat_sysvipc_10_syscalls[] = { 266 #if defined(SYSVSEM) 267 _PKG_ENTRY2(compat_10_osemsys, compat_10_netbsd32_semsys), 268 #endif 269 #if defined(SYSVSHM) 270 _PKG_ENTRY2(compat_10_oshmsys, compat_10_netbsd32_shmsys), 271 #endif 272 #if defined(SYSVMSG) 273 _PKG_ENTRY2(compat_10_omsgsys, compat_10_netbsd32_msgsys), 274 #endif 275 { 0, 0, NULL } 276 }; 277 278 #define REQ1 "sysv_ipc,compat_sysv_10," 279 #define REQ2 "compat_netbsd32,compat_netbsd32_sysvipc," 280 #define REQ3 "compat_netbsd32_sysvipc_14,compat_netbsd32_sysvipc_50" 281 282 MODULE(MODULE_CLASS_EXEC, compat_netbsd32_sysvipc_10, REQ1 REQ2 REQ3 ); 283 284 static int 285 compat_netbsd32_sysvipc_10_modcmd(modcmd_t cmd, void *arg) 286 { 287 288 switch (cmd) { 289 case MODULE_CMD_INIT: 290 return syscall_establish(&emul_netbsd32, 291 compat_sysvipc_10_syscalls); 292 293 case MODULE_CMD_FINI: 294 return syscall_disestablish(&emul_netbsd32, 295 compat_sysvipc_10_syscalls); 296 297 default: 298 return ENOTTY; 299 } 300 } 301 302 #endif /* COMPAT_10 */ 303