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
compat_10_netbsd32_semsys(struct lwp * l,const struct compat_10_netbsd32_semsys_args * uap,register_t * retval)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
compat_10_netbsd32_shmsys(struct lwp * l,const struct compat_10_netbsd32_shmsys_args * uap,register_t * retval)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
compat_10_netbsd32_msgsys(struct lwp * l,const struct compat_10_netbsd32_msgsys_args * uap,register_t * retval)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
compat_netbsd32_sysvipc_10_modcmd(modcmd_t cmd,void * arg)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