sunos32_mod.c revision 1.5 
1/*	$NetBSD: sunos32_mod.c,v 1.5 2019/02/05 00:32:18 pgoyette Exp $	*/
2
3/*-
4 * Copyright (c) 2008 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software developed for The NetBSD Foundation
8 * by Andrew Doran.
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 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32#include <sys/cdefs.h>
33__KERNEL_RCSID(0, "$NetBSD: sunos32_mod.c,v 1.5 2019/02/05 00:32:18 pgoyette Exp $");
34
35#include <sys/param.h>
36#include <sys/module.h>
37#include <sys/exec.h>
38#include <sys/exec_aout.h>
39#include <sys/signalvar.h>
40#include <sys/compat_stub.h>
41
42#include <machine/sunos_machdep.h>
43
44#include <compat/sunos32/sunos32_exec.h>
45
46#include <compat/netbsd32/netbsd32_exec.h>
47
48MODULE(MODULE_CLASS_EXEC, compat_sunos,
49    "compat_09,compat_util,compat_netbsd32,exec_aout");
50
51static struct execsw sunos_execsw = {
52	.es_hdrsz = SUNOS32_AOUT_HDR_SIZE,
53	.es_makecmds = exec_sunos32_aout_makecmds,
54	.u = {
55		.elf_probe_func = NULL,
56	},
57	.es_emul = &emul_sunos,
58	.es_prio = EXECSW_PRIO_ANY,
59	.es_arglen = 0,
60	.es_copyargs = netbsd32_copyargs,
61	.es_setregs = NULL,
62	.es_coredump = coredump_netbsd,
63	.es_setup_stack = exec_setup_stack,
64};
65
66static int
67get_sunos_emul(const struct emul **e)
68{
69
70	*e = &emul_sunos;
71	return 0;
72}
73
74static int
75compat_sunos_modcmd(modcmd_t cmd, void *arg)
76{
77
78	switch (cmd) {
79	case MODULE_CMD_INIT:
80		MODULE_SET_HOOK(get_emul_sunos_hook, "sun_emul",
81		    get_sunos_emul);
82		return exec_add(&sunos_execsw, 1);
83
84	case MODULE_CMD_FINI:
85		MODULE_UNSET_HOOK(get_emul_sunos_hook);
86		return exec_remove(&sunos_execsw, 1);
87
88	default:
89		return ENOTTY;
90	}
91}
92