sys/compat/ultrix/ultrix_mod.c

   1 /*      $NetBSD: ultrix_mod.c,v 1.2 2008/11/20 00:28:07 cegger 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 1.2 2008/11/20 00:28:07 cegger 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_MISC, compat_ultrix, "compat" MD1);
  57
  58 static 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
  73 static int
  74 compat_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 }