sys/compat/svr4_32/svr4_32_exec.c

   1 /*      $NetBSD: svr4_32_exec.c,v 1.24 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_32_exec.c,v 1.24 2008/10/15 06:51:20 wrstuden Exp $");
  34
  35 #if defined(_KERNEL_OPT)
  36 #include "opt_syscall_debug.h"
  37 #endif
  38
  39 #define ELFSIZE         32                              /* XXX should die */
  40
  41 #include <sys/param.h>
  42 #include <sys/systm.h>
  43 #include <sys/proc.h>
  44
  45 #include <uvm/uvm_extern.h>
  46
  47 #include <machine/svr4_machdep.h>
  48 #include <machine/svr4_32_machdep.h>
  49
  50 #include <compat/svr4_32/svr4_32_types.h>
  51 #include <compat/svr4_32/svr4_32_syscall.h>
  52 #include <compat/svr4/svr4_errno.h>
  53 #include <compat/svr4_32/svr4_32_signal.h>
  54 #include <compat/svr4_32/svr4_32_exec.h>
  55
  56 extern char svr4_32_sigcode[], svr4_32_esigcode[];
  57 extern struct sysent svr4_32_sysent[];
  58 extern const char * const svr4_32_syscallnames[];
  59 #ifndef __HAVE_SYSCALL_INTERN
  60 void syscall(void);
  61 #endif
  62
  63 struct uvm_object *emul_svr4_32_object;
  64
  65 struct emul emul_svr4_32 = {
  66         "svr4_32",
  67         "/emul/svr4_32",
  68 #ifndef __HAVE_MINIMAL_EMUL
  69         0,
  70         native_to_svr4_errno,
  71         SVR4_32_SYS_syscall,
  72         SVR4_32_SYS_NSYSENT,
  73 #endif
  74         svr4_32_sysent,
  75 #ifdef SYSCALL_DEBUG
  76         svr4_32_syscallnames,
  77 #else
  78         NULL,
  79 #endif
  80         svr4_32_sendsig,
  81         trapsignal,
  82         NULL,
  83         svr4_32_sigcode,
  84         svr4_32_esigcode,
  85         &emul_svr4_32_object,
  86         svr4_32_setregs,
  87         NULL,
  88         NULL,
  89         NULL,
  90         NULL,
  91         NULL,
  92 #ifdef __HAVE_SYSCALL_INTERN
  93         svr4_32_syscall_intern,
  94 #else
  95         syscall,
  96 #endif
  97         NULL,
  98         NULL,
  99
 100         svr4_32_vm_default_addr,
 101         NULL,
 102         NULL,
 103         0,
 104         NULL,
 105 };