sys/compat/freebsd/freebsd_exec.c

   1 /*      $NetBSD: freebsd_exec.c,v 1.35 2008/10/15 06:51:19 wrstuden Exp $       */
   2
   3 /*
   4  * Copyright (c) 1993, 1994 Christopher G. Demetriou
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  * 3. All advertising materials mentioning features or use of this software
  16  *    must display the following acknowledgement:
  17  *      This product includes software developed by Christopher G. Demetriou.
  18  * 4. The name of the author may not be used to endorse or promote products
  19  *    derived from this software without specific prior written permission
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  31  */
  32
  33 #include <sys/cdefs.h>
  34 __KERNEL_RCSID(0, "$NetBSD: freebsd_exec.c,v 1.35 2008/10/15 06:51:19 wrstuden Exp $");
  35
  36 #if defined(_KERNEL_OPT)
  37 #include "opt_syscall_debug.h"
  38 #endif
  39
  40 #include <sys/param.h>
  41 #include <sys/systm.h>
  42 #include <sys/proc.h>
  43
  44 #include <uvm/uvm_extern.h>
  45
  46 #include <compat/sys/signal.h>
  47 #include <compat/sys/signalvar.h>
  48
  49 #include <compat/freebsd/freebsd_syscall.h>
  50 #include <compat/freebsd/freebsd_exec.h>
  51 #include <compat/freebsd/freebsd_signal.h>
  52 #include <compat/common/compat_util.h>
  53
  54 #include <machine/freebsd_machdep.h>
  55
  56 extern struct sysent freebsd_sysent[];
  57 extern const char * const freebsd_syscallnames[];
  58
  59 struct uvm_object *emul_freebsd_object;
  60
  61 #ifndef __HAVE_SYSCALL_INTERN
  62 void    syscall(void);
  63 #endif
  64
  65 struct emul emul_freebsd = {
  66         "freebsd",
  67         "/emul/freebsd",
  68 #ifndef __HAVE_MINIMAL_EMUL
  69         EMUL_HAS_SYS___syscall,
  70         NULL,
  71         FREEBSD_SYS_syscall,
  72         FREEBSD_SYS_NSYSENT,
  73 #endif
  74         freebsd_sysent,
  75 #ifdef SYSCALL_DEBUG
  76         freebsd_syscallnames,
  77 #else
  78         NULL,
  79 #endif
  80         freebsd_sendsig,
  81         trapsignal,
  82         NULL,
  83         freebsd_sigcode,
  84         freebsd_esigcode,
  85         &emul_freebsd_object,
  86         freebsd_setregs,
  87         NULL,
  88         NULL,
  89         NULL,
  90         NULL,
  91         NULL,
  92 #ifdef __HAVE_SYSCALL_INTERN
  93         freebsd_syscall_intern,
  94 #else
  95         syscall,
  96 #endif
  97         NULL,
  98         NULL,
  99
 100         uvm_default_mapaddr,
 101         NULL,                   /* e_usertrap */
 102         NULL,                   /* e_sa */
 103         0,                      /* e_ucsize */
 104         NULL,                   /* e_startlwp */
 105 };