1 /*-
2 * Copyright (c) 2012 The NetBSD Foundation, Inc.
3 * All rights reserved.
4 *
5 * This code is derived from software contributed to The NetBSD Foundation
6 * by Matt Thomas of 3am Software Foundry.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
18 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
19 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
20 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
21 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
25 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
27 * POSSIBILITY OF SUCH DAMAGE.
28 */
29
30 #include <sys/cdefs.h>
31
32 __KERNEL_RCSID(1, "$NetBSD: netbsd32_machdep_16.c,v 1.5 2020/06/20 07:10:36 skrll Exp $");
33
34 #ifdef _KERNEL_OPT
35 #include "opt_compat_netbsd.h"
36 #include "opt_compat_netbsd32.h"
37 #endif
38
39 #include <sys/param.h>
40
41 #include <sys/core.h>
42 #include <sys/exec.h>
43 #include <sys/lwp.h>
44 #include <sys/signalvar.h>
45 #include <sys/syscallvar.h>
46 #include <sys/syscallargs.h>
47
48 #include <uvm/uvm_extern.h>
49
50 #include <compat/netbsd32/netbsd32.h>
51 #include <compat/netbsd32/netbsd32_exec.h>
52 #include <compat/netbsd32/netbsd32_syscall.h>
53 #include <compat/netbsd32/netbsd32_syscallargs.h>
54
55 #ifdef COMPAT_16
56
57 int
compat_16_netbsd32___sigreturn14(struct lwp * l,const struct compat_16_netbsd32___sigreturn14_args * uap,register_t * retval)58 compat_16_netbsd32___sigreturn14(struct lwp *l,
59 const struct compat_16_netbsd32___sigreturn14_args *uap,
60 register_t *retval)
61 {
62 struct compat_16_sys___sigreturn14_args ua;
63
64 NETBSD32TOP_UAP(sigcntxp, struct sigcontext *);
65
66 return compat_16_sys___sigreturn14(l, &ua, retval);
67 }
68
69 static struct syscall_package compat_arm32_netbsd32_16_syscalls[] = {
70 { NETBSD32_SYS_compat_16_netbsd32___sigreturn14, 0,
71 (sy_call_t *)compat_16_netbsd32___sigreturn14 },
72 { 0, 0, NULL }
73 };
74
75 void
netbsd32_machdep_md_16_init(void)76 netbsd32_machdep_md_16_init(void)
77 {
78
79 (void)syscall_establish(&emul_netbsd32,
80 compat_arm32_netbsd32_16_syscalls);
81 }
82
83 void
netbsd32_machdep_md_16_fini(void)84 netbsd32_machdep_md_16_fini(void)
85 {
86
87 (void)syscall_disestablish(&emul_netbsd32,
88 compat_arm32_netbsd32_16_syscalls);
89 }
90 #endif
91