1 /*	$NetBSD: netbsd32_compat_13.c,v 1.12 2002/10/23 13:16:41 scw Exp $	*/
2 
3 /*
4  * Copyright (c) 1998, 2001 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  * 3. The name of the author may not be used to endorse or promote products
16  *    derived from this software without specific prior written permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
23  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
24  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
25  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
26  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28  * SUCH DAMAGE.
29  */
30 
31 #include <sys/cdefs.h>
32 __KERNEL_RCSID(0, "$NetBSD: netbsd32_compat_13.c,v 1.12 2002/10/23 13:16:41 scw Exp $");
33 
34 #include <sys/param.h>
35 #include <sys/systm.h>
36 #include <sys/mount.h>
37 #include <sys/proc.h>
38 #include <sys/signal.h>
39 #include <sys/signalvar.h>
40 #include <sys/syscallargs.h>
41 
42 #include <compat/netbsd32/netbsd32.h>
43 #include <compat/netbsd32/netbsd32_syscallargs.h>
44 
45 int
46 compat_13_netbsd32_sigaltstack13(p, v, retval)
47 	struct proc *p;
48 	void *v;
49 	register_t *retval;
50 {
51 	struct compat_13_netbsd32_sigaltstack13_args /* {
52 		syscallarg(const netbsd32_sigaltstack13p_t) nss;
53 		syscallarg(netbsd32_sigaltstack13p_t) oss;
54 	} */ *uap = v;
55 	struct compat_13_sys_sigaltstack_args ua;
56 	struct sigaltstack13 ss13, *nss13up, *oss13up;
57 	struct netbsd32_sigaltstack13 s32ss;
58 	caddr_t sg;
59 	int error;
60 
61 	if (!SCARG(uap, nss))
62 		return (EINVAL);
63 
64 	sg = stackgap_init(p, 0);
65 
66 	SCARG(&ua, nss) = nss13up = stackgap_alloc(p, &sg, sizeof(*nss13up));
67 	if (SCARG(uap, oss))
68 		SCARG(&ua, oss) = oss13up = stackgap_alloc(p, &sg, sizeof(*oss13up));
69 	else
70 		SCARG(&ua, oss) = NULL;
71 
72 	error = copyin((caddr_t)NETBSD32PTR64(SCARG(uap, nss)),
73 	    &s32ss, sizeof s32ss);
74 	if (error)
75 		return (error);
76 	ss13.ss_sp = (char *)NETBSD32PTR64(s32ss.ss_sp);
77 	ss13.ss_size = s32ss.ss_size;
78 	ss13.ss_flags = s32ss.ss_flags;
79 	error = copyout(&ss13, nss13up, sizeof *nss13up);
80 	if (error)
81 		return (error);
82 
83 	error = compat_13_sys_sigaltstack(p, &ua, retval);
84 	if (error)
85 		return (error);
86 
87 	if (SCARG(uap, oss)) {
88 		error = copyin(nss13up, &ss13, sizeof *nss13up);
89 		if (error)
90 			return (error);
91 		s32ss.ss_sp = (netbsd32_charp)(u_long)ss13.ss_sp;
92 		s32ss.ss_size = ss13.ss_size;
93 		s32ss.ss_flags = ss13.ss_flags;
94 		error = copyout(&s32ss, (caddr_t)NETBSD32PTR64(SCARG(uap, nss)),
95 		    sizeof s32ss);
96 		if (error)
97 			return (error);
98 	}
99 
100 	return (0);
101 }
102 
103 
104 int
105 compat_13_netbsd32_sigprocmask(p, v, retval)
106 	struct proc *p;
107 	void *v;
108 	register_t *retval;
109 {
110 	struct compat_13_netbsd32_sigprocmask_args /* {
111 		syscallarg(int) how;
112 		syscallarg(int) mask;
113 	} */ *uap = v;
114 	sigset13_t ness, oess;
115 	sigset_t nbss, obss;
116 	int error;
117 
118 	ness = SCARG(uap, mask);
119 	native_sigset13_to_sigset(&ness, &nbss);
120 	error = sigprocmask1(p, SCARG(uap, how), &nbss, &obss);
121 	if (error)
122 		return (error);
123 	native_sigset_to_sigset13(&obss, &oess);
124 	*retval = oess;
125 	return (0);
126 }
127 
128 int
129 compat_13_netbsd32_sigsuspend(p, v, retval)
130 	struct proc *p;
131 	void *v;
132 	register_t *retval;
133 {
134 	struct compat_13_netbsd32_sigsuspend_args /* {
135 		syscallarg(sigset13_t) mask;
136 	} */ *uap = v;
137 	sigset13_t ess;
138 	sigset_t bss;
139 
140 	ess = SCARG(uap, mask);
141 	native_sigset13_to_sigset(&ess, &bss);
142 	return (sigsuspend1(p, &bss));
143 }
144