1/*	$NetBSD: sunos_mod.c,v 1.7 2019/12/12 02:15:42 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: sunos_mod.c,v 1.7 2019/12/12 02:15:42 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/sunos/sunos_exec.h>
45
46MODULE(MODULE_CLASS_EXEC, compat_sunos, "compat_09,compat_util,exec_aout");
47
48static struct execsw sunos_execsw = {
49	.es_hdrsz = SUNOS_AOUT_HDR_SIZE,
50	.es_makecmds = exec_sunos_aout_makecmds,
51	.u = {
52		.elf_probe_func = NULL,
53	},
54	.es_emul = &emul_sunos,
55	.es_prio = EXECSW_PRIO_ANY,
56	.es_arglen = 0,
57	.es_copyargs = copyargs,
58	.es_setregs = NULL,
59	.es_coredump = coredump_netbsd,
60	.es_setup_stack = exec_setup_stack,
61};
62
63static int
64get_sunos_emul(const struct emul **e)
65{
66
67	*e = &emul_sunos;
68	return 0;
69}
70
71static int
72compat_sunos_modcmd(modcmd_t cmd, void *arg)
73{
74
75	switch (cmd) {
76	case MODULE_CMD_INIT:
77		MODULE_HOOK_SET(get_emul_sunos_hook, get_sunos_emul);
78		return exec_add(&sunos_execsw, 1);
79
80	case MODULE_CMD_FINI:
81		MODULE_HOOK_UNSET(get_emul_sunos_hook);
82		return exec_remove(&sunos_execsw, 1);
83
84	default:
85		return ENOTTY;
86	}
87}
88