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netbsd32_compat_110.c revision 1.1 
      1 /*	$NetBSD: netbsd32_compat_110.c,v 1.1 2024/05/19 22:25:48 christos Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 2024 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software developed for The NetBSD Foundation
      8  * by Christos Zoulas.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #include <sys/cdefs.h>
     33 __KERNEL_RCSID(0, "$NetBSD: netbsd32_compat_110.c,v 1.1 2024/05/19 22:25:48 christos Exp $");
     34 
     35 #include <sys/types.h>
     36 #include <sys/filedesc.h>
     37 #include <sys/module.h>
     38 #include <sys/syscallvar.h>
     39 #include <sys/syscallargs.h>
     40 #include <sys/systm.h>
     41 
     42 #include <compat/netbsd32/netbsd32.h>
     43 #include <compat/netbsd32/netbsd32_syscall.h>
     44 #include <compat/netbsd32/netbsd32_syscallargs.h>
     45 
     46 int
     47 compat_110_netbsd32_dup3(struct lwp *l,
     48     const struct compat_110_netbsd32_dup3_args *uap, register_t *retval)
     49 {
     50 	/* {
     51 		syscallarg(int) from;
     52 		syscallarg(int) to;
     53 		syscallarg(int) flags;
     54 		syscallarg(const netbsd32_kevent100p_t) changelist;
     55 		syscallarg(netbsd32_size_t) nchanges;
     56 		syscallarg(netbsd32_kevent100p_t) eventlist;
     57 		syscallarg(netbsd32_size_t) nevents;
     58 		syscallarg(netbsd32_timespecp_t) timeout;
     59 	} */
     60 	return dodup(l, SCARG(uap, from), SCARG(uap, to), SCARG(uap, flags),
     61 	    retval);
     62 }
     63 
     64 static struct syscall_package compat_netbsd32_110_syscalls[] = {
     65 	{ NETBSD32_SYS_compat_110_netbsd32_dup3, 0,
     66 	    (sy_call_t *)compat_110_netbsd32_dup3 },
     67 	{ 0, 0, NULL },
     68 };
     69 
     70 MODULE(MODULE_CLASS_EXEC, compat_netbsd32_110, "compat_netbsd32,compat_110");
     71 
     72 static int
     73 compat_netbsd32_110_modcmd(modcmd_t cmd, void *arg)
     74 {
     75 
     76 	switch (cmd) {
     77 	case MODULE_CMD_INIT:
     78 		return syscall_establish(&emul_netbsd32,
     79 		    compat_netbsd32_110_syscalls);
     80 
     81 	case MODULE_CMD_FINI:
     82 		return syscall_disestablish(&emul_netbsd32,
     83 		    compat_netbsd32_110_syscalls);
     84 
     85 	default:
     86 		return ENOTTY;
     87 	}
     88 }
     89