/* $NetBSD: sunos32_mod.c,v 1.7 2019/12/12 02:15:42 pgoyette Exp $ */

/* $NetBSD: sunos32_mod.c,v 1.7 2019/12/12 02:15:42 pgoyette Exp $ */

/*-
* Copyright (c) 2008 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software developed for The NetBSD Foundation
* by Andrew Doran.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/

#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: sunos32_mod.c,v 1.7 2019/12/12 02:15:42 pgoyette Exp $");

#include <sys/param.h>
#include <sys/module.h>
#include <sys/exec.h>
#include <sys/exec_aout.h>
#include <sys/signalvar.h>
#include <sys/compat_stub.h>

#include <machine/sunos_machdep.h>

#include <compat/sunos32/sunos32_exec.h>

#include <compat/netbsd32/netbsd32_exec.h>

MODULE(MODULE_CLASS_EXEC, compat_sunos,
"compat_09,compat_util,compat_netbsd32,exec_aout");

static struct execsw sunos_execsw = {
.es_hdrsz = SUNOS32_AOUT_HDR_SIZE,
.es_makecmds = exec_sunos32_aout_makecmds,
.u = {
.elf_probe_func = NULL,
},
.es_emul = &emul_sunos,
.es_prio = EXECSW_PRIO_ANY,
.es_arglen = 0,
.es_copyargs = netbsd32_copyargs,
.es_setregs = NULL,
.es_coredump = coredump_netbsd,
.es_setup_stack = exec_setup_stack,
};

static int
get_sunos_emul(const struct emul **e)
{

*e = &emul_sunos;
return 0;
}

static int
compat_sunos_modcmd(modcmd_t cmd, void *arg)
{

switch (cmd) {
case MODULE_CMD_INIT:
MODULE_HOOK_SET(get_emul_sunos_hook, get_sunos_emul);
return exec_add(&sunos_execsw, 1);

case MODULE_CMD_FINI:
MODULE_HOOK_UNSET(get_emul_sunos_hook);
return exec_remove(&sunos_execsw, 1);

default:
return ENOTTY;
}
}