1 /* $NetBSD: netbsd32_compat_09.c,v 1.20 2021/01/19 03:20:13 simonb Exp $ */
2
3 /*
4 * Copyright (c) 1998 Matthew R. Green
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29 #include <sys/cdefs.h>
30 __KERNEL_RCSID(0, "$NetBSD: netbsd32_compat_09.c,v 1.20 2021/01/19 03:20:13 simonb Exp $");
31
32 #include <sys/param.h>
33 #include <sys/systm.h>
34 #include <sys/module.h>
35 #include <sys/mount.h>
36 #include <sys/syscallvar.h>
37 #include <sys/syscallargs.h>
38
39 #include <sys/time.h>
40 #include <uvm/uvm_extern.h>
41 #include <sys/sysctl.h>
42
43 #include <compat/sys/siginfo.h>
44
45 #include <compat/netbsd32/netbsd32.h>
46 #include <compat/netbsd32/netbsd32_syscall.h>
47 #include <compat/netbsd32/netbsd32_syscallargs.h>
48
49 int
compat_09_netbsd32_ogetdomainname(struct lwp * l,const struct compat_09_netbsd32_ogetdomainname_args * uap,register_t * retval)50 compat_09_netbsd32_ogetdomainname(struct lwp *l, const struct compat_09_netbsd32_ogetdomainname_args *uap, register_t *retval)
51 {
52 /* {
53 syscallarg(netbsd32_charp) domainname;
54 syscallarg(int) len;
55 } */
56 int name[2];
57 size_t sz;
58
59 name[0] = CTL_KERN;
60 name[1] = KERN_DOMAINNAME;
61 sz = SCARG(uap, len);
62 return old_sysctl(&name[0], 2,
63 (char *)SCARG_P32(uap, domainname), &sz, 0, 0, l);
64 }
65
66 int
compat_09_netbsd32_osetdomainname(struct lwp * l,const struct compat_09_netbsd32_osetdomainname_args * uap,register_t * retval)67 compat_09_netbsd32_osetdomainname(struct lwp *l, const struct compat_09_netbsd32_osetdomainname_args *uap, register_t *retval)
68 {
69 /* {
70 syscallarg(netbsd32_charp) domainname;
71 syscallarg(int) len;
72 } */
73 int name[2];
74
75 name[0] = CTL_KERN;
76 name[1] = KERN_DOMAINNAME;
77 return old_sysctl(&name[0], 2, 0, 0,
78 (char *)SCARG_P32(uap, domainname), SCARG(uap, len), l);
79 }
80
81 int
compat_09_netbsd32_uname(struct lwp * l,const struct compat_09_netbsd32_uname_args * uap,register_t * retval)82 compat_09_netbsd32_uname(struct lwp *l, const struct compat_09_netbsd32_uname_args *uap, register_t *retval)
83 {
84 /* {
85 syscallarg(netbsd32_outsnamep_t) name;
86 } */
87 struct compat_09_sys_uname_args ua;
88
89 NETBSD32TOP_UAP(name, struct outsname);
90 return compat_09_sys_uname(l, &ua, retval);
91 }
92
93 static struct syscall_package compat_netbsd32_09_syscalls[] = {
94 { NETBSD32_SYS_compat_09_netbsd32_ogetdomainname, 0,
95 (sy_call_t *)compat_09_netbsd32_ogetdomainname },
96 { NETBSD32_SYS_compat_09_netbsd32_osetdomainname, 0,
97 (sy_call_t *)compat_09_netbsd32_osetdomainname },
98 { NETBSD32_SYS_compat_09_netbsd32_uname, 0,
99 (sy_call_t *)compat_09_netbsd32_uname },
100 { 0, 0, NULL }
101 };
102
103 MODULE(MODULE_CLASS_EXEC, compat_netbsd32_09, "compat_netbsd32_12,compat_09");
104
105 static int
compat_netbsd32_09_modcmd(modcmd_t cmd,void * arg)106 compat_netbsd32_09_modcmd(modcmd_t cmd, void *arg)
107 {
108
109 switch (cmd) {
110 case MODULE_CMD_INIT:
111 return syscall_establish(&emul_netbsd32,
112 compat_netbsd32_09_syscalls);
113
114 case MODULE_CMD_FINI:
115 return syscall_disestablish(&emul_netbsd32,
116 compat_netbsd32_09_syscalls);
117
118 default:
119 return ENOTTY;
120 }
121 }
122