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      1 /*	$NetBSD: ultrix_mod.c,v 1.6 2019/03/03 22:25:00 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 #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 1.6 2019/03/03 22:25:00 pgoyette 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 
     56 MODULE(MODULE_CLASS_EXEC, compat_ultrix, "compat_13" MD1);
     57 
     58 static 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 
     77 static int
     78 compat_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