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netbsd32_compat_40.c revision 1.1.2.3 
      1 /*	$NetBSD: netbsd32_compat_40.c,v 1.1.2.3 2018/10/03 11:59:21 pgoyette Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2008 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to 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  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *        This product includes software developed by the NetBSD
     21  *        Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 #include <sys/cdefs.h>
     39 __KERNEL_RCSID(0, "$NetBSD: netbsd32_compat_40.c,v 1.1.2.3 2018/10/03 11:59:21 pgoyette Exp $");
     40 
     41 #include <sys/param.h>
     42 #include <sys/systm.h>
     43 #include <sys/module.h>
     44 #include <sys/mount.h>
     45 #include <sys/syscallargs.h>
     46 #include <sys/syscallvar.h>
     47 
     48 #include <compat/netbsd32/netbsd32.h>
     49 #include <compat/netbsd32/netbsd32_syscall.h>
     50 #include <compat/netbsd32/netbsd32_syscallargs.h>
     51 #include <compat/netbsd32/netbsd32_conv.h>
     52 
     53 int
     54 compat_40_netbsd32_mount(struct lwp *l,
     55     const struct compat_40_netbsd32_mount_args *uap, register_t *retval)
     56 {
     57 	/* {
     58 		syscallarg(const netbsd32_charp) type;
     59 		syscallarg(const netbsd32_charp) path;
     60 		syscallarg(int) flags;
     61 		syscallarg(netbsd32_voidp) data;
     62 	} */
     63 	struct compat_40_sys_mount_args ua;
     64 
     65 	NETBSD32TOP_UAP(type, const char);
     66 	NETBSD32TOP_UAP(path, const char);
     67 	NETBSD32TO64_UAP(flags);
     68 	NETBSD32TOP_UAP(data, void);
     69 	return (compat_40_sys_mount(l, &ua, retval));
     70 }
     71 
     72 static struct syscall_package compat_netbsd32_40_syscalls[] = {
     73 	{ NETBSD32_SYS_compat_40_netbsd32_mount, 0,
     74 	    (sy_call_t *)compat_40_netbsd32_mount },
     75 	{ 0, 0, NULL }
     76 };
     77 
     78 
     79 MODULE(MODULE_CLASS_EXEC, compat_netbsd32_40, "compat_netbsd32_50,compat_40");
     80 
     81 static int
     82 compat_netbsd32_40_modcmd(modcmd_t cmd, void *arg)
     83 {
     84 
     85 	switch (cmd) {
     86 	case MODULE_CMD_INIT:
     87 		return syscall_establish(&emul_netbsd32,
     88 		    compat_netbsd32_40_syscalls);
     89 
     90 	case MODULE_CMD_FINI:
     91 		return syscall_disestablish(&emul_netbsd32,
     92 		    compat_netbsd32_40_syscalls);
     93 
     94 	default:
     95 		return ENOTTY;
     96 	}
     97 }
     98