sys/compat/svr4/svr4_exec.c

   1 /*      $NetBSD: svr4_exec.c,v 1.63 2008/10/15 06:51:20 wrstuden Exp $   */
   2
   3 /*-
   4  * Copyright (c) 1994, 2000 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to The NetBSD Foundation
   8  * by Christos Zoulas.
   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 #include <sys/cdefs.h>
  33 __KERNEL_RCSID(0, "$NetBSD: svr4_exec.c,v 1.63 2008/10/15 06:51:20 wrstuden Exp $");
  34
  35 #if defined(_KERNEL_OPT)
  36 #include "opt_syscall_debug.h"
  37 #endif
  38
  39 #include <sys/param.h>
  40 #include <sys/systm.h>
  41 #include <sys/proc.h>
  42
  43 #include <uvm/uvm_extern.h>
  44
  45 #include <machine/svr4_machdep.h>
  46
  47 #include <compat/svr4/svr4_types.h>
  48 #include <compat/svr4/svr4_syscall.h>
  49 #include <compat/svr4/svr4_errno.h>
  50 #include <compat/svr4/svr4_signal.h>
  51 #include <compat/svr4/svr4_exec.h>
  52
  53 extern char svr4_sigcode[], svr4_esigcode[];
  54 extern struct sysent svr4_sysent[];
  55 extern const char * const svr4_syscallnames[];
  56 #ifndef __HAVE_SYSCALL_INTERN
  57 void syscall(void);
  58 #endif
  59
  60 struct uvm_object *emul_svr4_object;
  61
  62 struct emul emul_svr4 = {
  63         "svr4",
  64         "/emul/svr4",
  65 #ifndef __HAVE_MINIMAL_EMUL
  66         0,
  67         native_to_svr4_errno,
  68         SVR4_SYS_syscall,
  69         SVR4_SYS_NSYSENT,
  70 #endif
  71         svr4_sysent,
  72 #ifdef SYSCALL_DEBUG
  73         svr4_syscallnames,
  74 #else
  75         NULL,
  76 #endif
  77         svr4_sendsig,
  78         trapsignal,
  79         NULL,
  80         svr4_sigcode,
  81         svr4_esigcode,
  82         &emul_svr4_object,
  83         svr4_setregs,
  84         NULL,
  85         NULL,
  86         NULL,
  87         NULL,
  88         NULL,
  89 #ifdef __HAVE_SYSCALL_INTERN
  90         svr4_syscall_intern,
  91 #else
  92         syscall,
  93 #endif
  94         NULL,
  95         NULL,
  96
  97         uvm_default_mapaddr,
  98         NULL,   /* e_usertrap */
  99         NULL,   /* e_sa */
 100         0,      /* e_ucsize */
 101         NULL,   /* e_startlwp */
 102 };