ultrix_mod.c revision 1.3 
1/*	$NetBSD: ultrix_mod.c,v 1.3 2008/11/24 11:19:53 ad 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#ifdef _KERNEL_OPT
33#include "opt_execfmt.h"
34#endif
35
36#include <sys/cdefs.h>
37__KERNEL_RCSID(0, "$NetBSD: ultrix_mod.c,v 1.3 2008/11/24 11:19:53 ad Exp $");
38
39#include <sys/param.h>
40#include <sys/module.h>
41#include <sys/exec.h>
42#include <sys/signalvar.h>
43#include <sys/exec_elf.h>
44#ifdef EXEC_ECOFF
45#include <sys/exec_ecoff.h>
46#endif
47
48#include <compat/ultrix/ultrix_exec.h>
49
50#ifdef EXEC_ECOFF
51#define	MD1	",exec_ecoff"
52#else
53#define	MD1	""
54#endif
55
56MODULE(MODULE_CLASS_MISC, compat_ultrix, "compat" MD1);
57
58static struct execsw ultrix_execsw[] = {
59#ifdef EXEC_ECOFF
60	{ ECOFF_HDR_SIZE,
61	  exec_ecoff_makecmds,
62	  { .ecoff_probe_func = ultrix_exec_ecoff_probe },
63	  &emul_ultrix,
64	  EXECSW_PRIO_LAST, /* XXX probe func alw. succeeds */
65  	  0,
66  	  copyargs,
67  	  cpu_exec_ecoff_setregs,
68	  coredump_netbsd,
69	  exec_setup_stack },
70#endif
71};
72
73static int
74compat_ultrix_modcmd(modcmd_t cmd, void *arg)
75{
76
77	switch (cmd) {
78	case MODULE_CMD_INIT:
79		return exec_add(ultrix_execsw,
80		    __arraycount(ultrix_execsw));
81
82	case MODULE_CMD_FINI:
83		return exec_remove(ultrix_execsw,
84		    __arraycount(ultrix_execsw));
85
86	default:
87		return ENOTTY;
88	}
89}
90