ultrix_mod.c revision 1.5 
1/*	$NetBSD: ultrix_mod.c,v 1.5 2014/03/07 01:33:44 christos 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 1.5 2014/03/07 01:33:44 christos 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_EXEC, compat_ultrix, "compat" MD1);
57
58static struct execsw ultrix_execsw[] = {
59#ifdef EXEC_ECOFF
60	{
61		.es_hdrsz = ECOFF_HDR_SIZE,
62		.es_makecmds = exec_ecoff_makecmds,
63		.u = {
64			.ecoff_probe_func = ultrix_exec_ecoff_probe,
65		},
66		.es_emul = &emul_ultrix,
67		.es_prio = EXECSW_PRIO_LAST,
68		.es_arglen = 0,
69		.es_copyargs = copyargs,
70		.es_setregs = cpu_exec_ecoff_setregs,
71		.es_coredump = coredump_netbsd,
72		.es_setup_stack = exec_setup_stack,
73	},
74#endif
75};
76
77static int
78compat_ultrix_modcmd(modcmd_t cmd, void *arg)
79{
80
81	switch (cmd) {
82	case MODULE_CMD_INIT:
83		return exec_add(ultrix_execsw,
84		    __arraycount(ultrix_execsw));
85
86	case MODULE_CMD_FINI:
87		return exec_remove(ultrix_execsw,
88		    __arraycount(ultrix_execsw));
89
90	default:
91		return ENOTTY;
92	}
93}
94