1 /*	$NetBSD: netbsd32_signal.c,v 1.5 2002/11/27 16:44:03 atatat 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_signal.c,v 1.5 2002/11/27 16:44:03 atatat Exp $");
33 
34 #include <sys/param.h>
35 #include <sys/systm.h>
36 #include <sys/malloc.h>
37 #include <sys/mount.h>
38 #include <sys/stat.h>
39 #include <sys/time.h>
40 #include <sys/signalvar.h>
41 #include <sys/proc.h>
42 
43 #include <compat/netbsd32/netbsd32.h>
44 #include <compat/netbsd32/netbsd32_syscallargs.h>
45 
46 int
47 netbsd32_sigaction(p, v, retval)
48 	struct proc *p;
49 	void *v;
50 	register_t *retval;
51 {
52 	struct netbsd32_sigaction_args /* {
53 		syscallarg(int) signum;
54 		syscallarg(const netbsd32_sigactionp_t) nsa;
55 		syscallarg(netbsd32_sigactionp_t) osa;
56 	} */ *uap = v;
57 	struct sigaction nsa, osa;
58 	struct netbsd32_sigaction *sa32p, sa32;
59 	int error;
60 
61 	if (SCARG(uap, nsa)) {
62 		sa32p =
63 		    (struct netbsd32_sigaction *)NETBSD32PTR64(SCARG(uap, nsa));
64 		if (copyin(sa32p, &sa32, sizeof(sa32)))
65 			return EFAULT;
66 		nsa.sa_handler = (void *)NETBSD32PTR64(sa32.netbsd32_sa_handler);
67 		nsa.sa_mask = sa32.netbsd32_sa_mask;
68 		nsa.sa_flags = sa32.netbsd32_sa_flags;
69 	}
70 	error = sigaction1(p, SCARG(uap, signum),
71 			   SCARG(uap, nsa) ? &nsa : 0,
72 			   SCARG(uap, osa) ? &osa : 0,
73 			   NULL, 0);
74 
75 	if (error)
76 		return (error);
77 
78 	if (SCARG(uap, osa)) {
79 		sa32.netbsd32_sa_handler = (netbsd32_sigactionp_t)(u_long)osa.sa_handler;
80 		sa32.netbsd32_sa_mask = osa.sa_mask;
81 		sa32.netbsd32_sa_flags = osa.sa_flags;
82 		sa32p =
83 		    (struct netbsd32_sigaction *)NETBSD32PTR64(SCARG(uap, osa));
84 		if (copyout(&sa32, sa32p, sizeof(sa32)))
85 			return EFAULT;
86 	}
87 
88 	return (0);
89 }
90 
91 int
92 netbsd32___sigaltstack14(p, v, retval)
93 	struct proc *p;
94 	void *v;
95 	register_t *retval;
96 {
97 	struct netbsd32___sigaltstack14_args /* {
98 		syscallarg(const netbsd32_sigaltstackp_t) nss;
99 		syscallarg(netbsd32_sigaltstackp_t) oss;
100 	} */ *uap = v;
101 	struct netbsd32_sigaltstack s32;
102 	struct sigaltstack nss, oss;
103 	int error;
104 
105 	if (SCARG(uap, nss)) {
106 		error = copyin((caddr_t)NETBSD32PTR64(SCARG(uap, nss)), &s32,
107 		    sizeof(s32));
108 		if (error)
109 			return (error);
110 		nss.ss_sp = (void *)NETBSD32PTR64(s32.ss_sp);
111 		nss.ss_size = (size_t)s32.ss_size;
112 		nss.ss_flags = s32.ss_flags;
113 	}
114 	error = sigaltstack1(p,
115 	    SCARG(uap, nss) ? &nss : 0, SCARG(uap, oss) ? &oss : 0);
116 	if (error)
117 		return (error);
118 	if (SCARG(uap, oss)) {
119 		s32.ss_sp = (netbsd32_voidp)(u_long)oss.ss_sp;
120 		s32.ss_size = (netbsd32_size_t)oss.ss_size;
121 		s32.ss_flags = oss.ss_flags;
122 		error = copyout(&s32, (caddr_t)NETBSD32PTR64(SCARG(uap, oss)),
123 		    sizeof(s32));
124 		if (error)
125 			return (error);
126 	}
127 	return (0);
128 }
129 
130 /* ARGSUSED */
131 int
132 netbsd32___sigaction14(p, v, retval)
133 	struct proc *p;
134 	void *v;
135 	register_t *retval;
136 {
137 	struct netbsd32___sigaction14_args /* {
138 		syscallarg(int) signum;
139 		syscallarg(const struct sigaction *) nsa;
140 		syscallarg(struct sigaction *) osa;
141 	} */ *uap = v;
142 	struct netbsd32_sigaction sa32;
143 	struct sigaction nsa, osa;
144 	int error;
145 
146 	if (SCARG(uap, nsa)) {
147 		error = copyin((caddr_t)NETBSD32PTR64(SCARG(uap, nsa)), &sa32,
148 		    sizeof(sa32));
149 		if (error)
150 			return (error);
151 		nsa.sa_handler = (void *)NETBSD32PTR64(sa32.netbsd32_sa_handler);
152 		nsa.sa_mask = sa32.netbsd32_sa_mask;
153 		nsa.sa_flags = sa32.netbsd32_sa_flags;
154 	}
155 	error = sigaction1(p, SCARG(uap, signum),
156 	    SCARG(uap, nsa) ? &nsa : 0, SCARG(uap, osa) ? &osa : 0,
157 	    NULL, 0);
158 	if (error)
159 		return (error);
160 	if (SCARG(uap, osa)) {
161 		sa32.netbsd32_sa_handler = (netbsd32_voidp)(u_long)osa.sa_handler;
162 		sa32.netbsd32_sa_mask = osa.sa_mask;
163 		sa32.netbsd32_sa_flags = osa.sa_flags;
164 		error = copyout(&sa32, (caddr_t)NETBSD32PTR64(SCARG(uap, osa)),
165 		    sizeof(sa32));
166 		if (error)
167 			return (error);
168 	}
169 	return (0);
170 }
171 
172 /* ARGSUSED */
173 int
174 netbsd32___sigaction_sigtramp(p, v, retval)
175 	struct proc *p;
176 	void *v;
177 	register_t *retval;
178 {
179 	struct netbsd32___sigaction_sigtramp_args /* {
180 		syscallarg(int) signum;
181 		syscallarg(const netbsd32_sigactionp_t) nsa;
182 		syscallarg(netbsd32_sigactionp_t) osa;
183 		syscallarg(netbsd32_voidp) tramp;
184 		syscallarg(int) vers;
185 	} */ *uap = v;
186 	struct netbsd32_sigaction sa32;
187 	struct sigaction nsa, osa;
188 	int error;
189 
190 	if (SCARG(uap, nsa)) {
191 		error = copyin((caddr_t)NETBSD32PTR64(SCARG(uap, nsa)), &sa32,
192 		    sizeof(sa32));
193 		if (error)
194 			return (error);
195 		nsa.sa_handler = (void *)NETBSD32PTR64(sa32.netbsd32_sa_handler);
196 		nsa.sa_mask = sa32.netbsd32_sa_mask;
197 		nsa.sa_flags = sa32.netbsd32_sa_flags;
198 	}
199 	error = sigaction1(p, SCARG(uap, signum),
200 	    SCARG(uap, nsa) ? &nsa : 0, SCARG(uap, osa) ? &osa : 0,
201 	    NETBSD32PTR64(SCARG(uap, tramp)), SCARG(uap, vers));
202 	if (error)
203 		return (error);
204 	if (SCARG(uap, osa)) {
205 		sa32.netbsd32_sa_handler = (netbsd32_voidp)(u_long)osa.sa_handler;
206 		sa32.netbsd32_sa_mask = osa.sa_mask;
207 		sa32.netbsd32_sa_flags = osa.sa_flags;
208 		error = copyout(&sa32, (caddr_t)NETBSD32PTR64(SCARG(uap, osa)),
209 		    sizeof(sa32));
210 		if (error)
211 			return (error);
212 	}
213 	return (0);
214 }
215