xref: /src/sys/compat/netbsd32/netbsd32_compat_10_sysv.c

/*	$NetBSD: netbsd32_compat_10_sysv.c,v 1.2.14.1 2021/04/03 22:28:42 thorpej Exp $	*/

/*
 * Copyright (c) 1994 Adam Glass and Charles M. Hannum.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by Adam Glass and Charles M.
 *	Hannum.
 * 4. The names of the authors may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: netbsd32_compat_10_sysv.c,v 1.2.14.1 2021/04/03 22:28:42 thorpej Exp $");

#ifdef _KERNEL_OPT
#include "opt_sysv.h"
#include "opt_compat_netbsd.h"
#endif

#include <sys/param.h>
#include <sys/systm.h>
#include <sys/module.h>
#include <sys/kernel.h>
#include <sys/proc.h>
#include <sys/sem.h>

#include <sys/mount.h>
#include <sys/syscallargs.h>
#include <sys/syscallvar.h>

#include <compat/netbsd32/netbsd32.h>
#include <compat/netbsd32/netbsd32_syscall.h>
#include <compat/netbsd32/netbsd32_syscallargs.h>
#include <compat/sys/shm.h>

#if defined(COMPAT_10)

#if defined(SYSVSEM)
int
compat_10_netbsd32_semsys(struct lwp *l, const struct compat_10_netbsd32_semsys_args *uap, register_t *retval)
{
	/* {
		syscallarg(int) which;
		syscallarg(int) a2;
		syscallarg(int) a3;
		syscallarg(int) a4;
		syscallarg(int) a5;
	} */
	struct compat_50_netbsd32___semctl14_args /* {
		syscallarg(int) semid;
		syscallarg(int) semnum;
		syscallarg(int) cmd;
		syscallarg(union semun *) arg;
	} */ __semctl_args;
	struct sys_semget_args /* {
		syscallarg(key_t) key;
		syscallarg(int) nsems;
		syscallarg(int) semflg;
	} */ semget_args;
	struct sys_semop_args /* {
		syscallarg(int) semid;
		syscallarg(struct sembuf *) sops;
		syscallarg(u_int) nsops;
	} */ semop_args;
	struct sys_semconfig_args /* {
		syscallarg(int) flag;
	} */ semconfig_args;
	int a5;

	switch (SCARG(uap, which)) {
	case 0:						/* __semctl() */
		SCARG(&__semctl_args, semid) = SCARG(uap, a2);
		SCARG(&__semctl_args, semnum) = SCARG(uap, a3);
		SCARG(&__semctl_args, cmd) = SCARG(uap, a4);
		a5 = SCARG(uap, a5);
		return do_netbsd32___semctl14(l, &__semctl_args, retval, &a5);

	case 1:						/* semget() */
		SCARG(&semget_args, key) = SCARG(uap, a2);
		SCARG(&semget_args, nsems) = SCARG(uap, a3);
		SCARG(&semget_args, semflg) = SCARG(uap, a4);
		return sys_semget(l, &semget_args, retval);

	case 2:						/* semop() */
		SCARG(&semop_args, semid) = SCARG(uap, a2);
		SCARG(&semop_args, sops) = NETBSD32IPTR64(SCARG(uap, a3));
		SCARG(&semop_args, nsops) = SCARG(uap, a4);
		return sys_semop(l, &semop_args, retval);

	case 3:						/* semconfig() */
		SCARG(&semconfig_args, flag) = SCARG(uap, a2);
		return sys_semconfig(l, &semconfig_args, retval);

	default:
		return EINVAL;
	}
}
#endif

#if defined(SYSVSHM)
int
compat_10_netbsd32_shmsys(struct lwp *l, const struct compat_10_netbsd32_shmsys_args *uap, register_t *retval)
{
	/* {
		syscallarg(int) which;
		syscallarg(int) a2;
		syscallarg(int) a3;
		syscallarg(int) a4;
	} */
	struct sys_shmat_args /* {
		syscallarg(int) shmid;
		syscallarg(void *) shmaddr;
		syscallarg(int) shmflg;
	} */ shmat_args;
	struct compat_14_sys_shmctl_args /* {
		syscallarg(int) shmid;
		syscallarg(int) cmd;
		syscallarg(struct shmid_ds50 *) buf;
	} */ shmctl_args;
	struct sys_shmdt_args /* {
		syscallarg(void *) shmaddr;
	} */ shmdt_args;
	struct sys_shmget_args /* {
		syscallarg(key_t) key;
		syscallarg(int) size;
		syscallarg(int) shmflg;
	} */ shmget_args;

	switch (SCARG(uap, which)) {
	case 0:						/* shmat() */
		SCARG(&shmat_args, shmid) = SCARG(uap, a2);
		SCARG(&shmat_args, shmaddr) = NETBSD32IPTR64(SCARG(uap, a3));
		SCARG(&shmat_args, shmflg) = SCARG(uap, a4);
		return sys_shmat(l, &shmat_args, retval);

	case 1:						/* shmctl() */
		SCARG(&shmctl_args, shmid) = SCARG(uap, a2);
		SCARG(&shmctl_args, cmd) = SCARG(uap, a3);
		SCARG(&shmctl_args, buf) = NETBSD32IPTR64(SCARG(uap, a4));
		return compat_14_sys_shmctl(l, &shmctl_args, retval);

	case 2:						/* shmdt() */
		SCARG(&shmdt_args, shmaddr) = NETBSD32IPTR64(SCARG(uap, a2));
		return sys_shmdt(l, &shmdt_args, retval);

	case 3:						/* shmget() */
		SCARG(&shmget_args, key) = SCARG(uap, a2);
		SCARG(&shmget_args, size) = SCARG(uap, a3);
		SCARG(&shmget_args, shmflg) = SCARG(uap, a4);
		return sys_shmget(l, &shmget_args, retval);

	default:
		return EINVAL;
	}
}
#endif

#if defined(SYSVMSG)
int
compat_10_netbsd32_msgsys(struct lwp *l, const struct compat_10_netbsd32_msgsys_args *uap, register_t *retval)
{
	/* {
		syscallarg(int) which;
		syscallarg(int) a2;
		syscallarg(int) a3;
		syscallarg(int) a4;
		syscallarg(int) a5;
		syscallarg(int) a6;
	} */
	struct compat_14_sys_msgctl_args /* {
		syscallarg(int) msqid;
		syscallarg(int) cmd;
		syscallarg(struct msqid_ds *) buf;
	} */ msgctl_args;
	struct sys_msgget_args /* {
		syscallarg(key_t) key;
		syscallarg(int) msgflg;
	} */ msgget_args;
	struct sys_msgsnd_args /* {
		syscallarg(int) msqid;
		syscallarg(void *) msgp;
		syscallarg(size_t) msgsz;
		syscallarg(int) msgflg;
	} */ msgsnd_args;
	struct sys_msgrcv_args /* {
		syscallarg(int) msqid;
		syscallarg(void *) msgp;
		syscallarg(size_t) msgsz;
		syscallarg(long) msgtyp;
		syscallarg(int) msgflg;
	} */ msgrcv_args;

	switch (SCARG(uap, which)) {
	case 0:					/* msgctl()*/
		SCARG(&msgctl_args, msqid) = SCARG(uap, a2);
		SCARG(&msgctl_args, cmd) = SCARG(uap, a3);
		SCARG(&msgctl_args, buf) = NETBSD32IPTR64(SCARG(uap, a4));
		return compat_14_sys_msgctl(l, &msgctl_args, retval);

	case 1:					/* msgget() */
		SCARG(&msgget_args, key) = SCARG(uap, a2);
		SCARG(&msgget_args, msgflg) = SCARG(uap, a3);
		return sys_msgget(l, &msgget_args, retval);

	case 2:					/* msgsnd() */
		SCARG(&msgsnd_args, msqid) = SCARG(uap, a2);
		SCARG(&msgsnd_args, msgp) = NETBSD32IPTR64(SCARG(uap, a3));
		SCARG(&msgsnd_args, msgsz) = SCARG(uap, a4);
		SCARG(&msgsnd_args, msgflg) = SCARG(uap, a5);
		return sys_msgsnd(l, &msgsnd_args, retval);

	case 3:					/* msgrcv() */
		SCARG(&msgrcv_args, msqid) = SCARG(uap, a2);
		SCARG(&msgrcv_args, msgp) = NETBSD32IPTR64(SCARG(uap, a3));
		SCARG(&msgrcv_args, msgsz) = SCARG(uap, a4);
		SCARG(&msgrcv_args, msgtyp) = SCARG(uap, a5);
		SCARG(&msgrcv_args, msgflg) = SCARG(uap, a6);
		return sys_msgrcv(l, &msgrcv_args, retval);

	default:
		return EINVAL;
	}
}
#endif

#define _PKG_ENTRY(name)        \
	{ NETBSD32_SYS_ ## name, 0, (sy_call_t *)name }

#define _PKG_ENTRY2(code, name) \
	{ NETBSD32_SYS_ ## code, 0, (sy_call_t *)name }

static const struct syscall_package compat_sysvipc_10_syscalls[] = {
#if defined(SYSVSEM)
	_PKG_ENTRY2(compat_10_osemsys, compat_10_netbsd32_semsys),
#endif
#if defined(SYSVSHM)
	_PKG_ENTRY2(compat_10_oshmsys, compat_10_netbsd32_shmsys),
#endif
#if defined(SYSVMSG)
	_PKG_ENTRY2(compat_10_omsgsys, compat_10_netbsd32_msgsys),
#endif
	{ 0, 0, NULL }
};

#define	REQ1    "sysv_ipc,compat_sysv_10,"
#define	REQ2    "compat_netbsd32,compat_netbsd32_sysvipc,"
#define	REQ3	"compat_netbsd32_sysvipc_14,compat_netbsd32_sysvipc_50"

MODULE(MODULE_CLASS_EXEC, compat_netbsd32_sysvipc_10, REQ1 REQ2 REQ3 );

static int
compat_netbsd32_sysvipc_10_modcmd(modcmd_t cmd, void *arg)
{

	switch (cmd) {
	case MODULE_CMD_INIT:
		return syscall_establish(&emul_netbsd32,
		    compat_sysvipc_10_syscalls);

	case MODULE_CMD_FINI:
		return syscall_disestablish(&emul_netbsd32,
		    compat_sysvipc_10_syscalls);

	default:
		return ENOTTY;
	}
}

#endif /* COMPAT_10 */