/*      $NetBSD: ultrix_mod.c,v 1.6 2019/03/03 22:25:00 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.
*/

#ifdef _KERNEL_OPT
#include "opt_execfmt.h"
#endif

#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: ultrix_mod.c,v 1.6 2019/03/03 22:25:00 pgoyette Exp $");

#include <sys/param.h>
#include <sys/module.h>
#include <sys/exec.h>
#include <sys/signalvar.h>
#include <sys/exec_elf.h>
#ifdef EXEC_ECOFF
#include <sys/exec_ecoff.h>
#endif

#include <compat/ultrix/ultrix_exec.h>

#ifdef EXEC_ECOFF
#define MD1     ",exec_ecoff"
#else
#define MD1     ""
#endif

MODULE(MODULE_CLASS_EXEC, compat_ultrix, "compat_13" MD1);

static struct execsw ultrix_execsw[] = {
#ifdef EXEC_ECOFF
       {
               .es_hdrsz = ECOFF_HDR_SIZE,
               .es_makecmds = exec_ecoff_makecmds,
               .u = {
                       .ecoff_probe_func = ultrix_exec_ecoff_probe,
               },
               .es_emul = &emul_ultrix,
               .es_prio = EXECSW_PRIO_LAST,
               .es_arglen = 0,
               .es_copyargs = copyargs,
               .es_setregs = cpu_exec_ecoff_setregs,
               .es_coredump = coredump_netbsd,
               .es_setup_stack = exec_setup_stack,
       },
#endif
};

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

       switch (cmd) {
       case MODULE_CMD_INIT:
               return exec_add(ultrix_execsw,
                   __arraycount(ultrix_execsw));

       case MODULE_CMD_FINI:
               return exec_remove(ultrix_execsw,
                   __arraycount(ultrix_execsw));

       default:
               return ENOTTY;
       }
}