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
46 MODULE(MODULE_CLASS_EXEC, compat_sunos, "compat_09,compat_util,exec_aout");
47
48 static 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
63 static int
get_sunos_emul(const struct emul ** e)64 get_sunos_emul(const struct emul **e)
65 {
66
67 *e = &emul_sunos;
68 return 0;
69 }
70
71 static int
compat_sunos_modcmd(modcmd_t cmd,void * arg)72 compat_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