sys/compat/pecoff/pecoff_emul.c

   1 /*      $NetBSD: pecoff_emul.c,v 1.22 2008/11/19 18:36:05 ad Exp $      */
   2
   3 /*
   4  * Copyright (c) 2000 Masaru OKI
   5  * Copyright (c) 1994, 1995, 1998 Scott Bartram
   6  * Copyright (c) 1994 Adam Glass
   7  * Copyright (c) 1993, 1994 Christopher G. Demetriou
   8  * All rights reserved.
   9  *
  10  * from compat/ibcs2/ibcs2_exec.c
  11  * originally from kern/exec_ecoff.c
  12  *
  13  * Redistribution and use in source and binary forms, with or without
  14  * modification, are permitted provided that the following conditions
  15  * are met:
  16  * 1. Redistributions of source code must retain the above copyright
  17  *    notice, this list of conditions and the following disclaimer.
  18  * 2. Redistributions in binary form must reproduce the above copyright
  19  *    notice, this list of conditions and the following disclaimer in the
  20  *    documentation and/or other materials provided with the distribution.
  21  * 3. All advertising materials mentioning features or use of this software
  22  *    must display the following acknowledgement:
  23  *      This product includes software developed by Scott Bartram.
  24  * 4. The name of the author may not be used to endorse or promote products
  25  *    derived from this software without specific prior written permission
  26  *
  27  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  28  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  29  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  30  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  31  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  32  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  33  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  34  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  35  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  36  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  37  */
  38
  39 #include <sys/cdefs.h>
  40 __KERNEL_RCSID(0, "$NetBSD: pecoff_emul.c,v 1.22 2008/11/19 18:36:05 ad Exp $");
  41
  42 /*#define DEBUG_PECOFF*/
  43
  44 #ifdef _KERNEL_OPT
  45 #include "opt_syscall_debug.h"
  46 #endif
  47
  48 #include <sys/param.h>
  49 #include <sys/proc.h>
  50 #include <sys/malloc.h>
  51 #include <sys/namei.h>
  52 #include <sys/vnode.h>
  53 #include <sys/mount.h>
  54 #include <sys/exec.h>
  55 #include <sys/syscall.h>
  56 #include <sys/syscallvar.h>
  57 #include <sys/signalvar.h>
  58 #include <sys/resourcevar.h>
  59 #include <sys/stat.h>
  60
  61 #include <uvm/uvm_extern.h>
  62
  63 #include <sys/exec_coff.h>
  64 #include <machine/coff_machdep.h>
  65
  66 #include <compat/pecoff/pecoff_exec.h>
  67 #include <compat/pecoff/pecoff_util.h>
  68
  69 extern struct sysent pecoff_sysent[];
  70
  71 #ifdef COMPAT_16
  72 extern char sigcode[], esigcode[];
  73 struct uvm_object *emul_pecoff_object;
  74 #endif
  75
  76 #ifndef __HAVE_SYSCALL_INTERN
  77 void    syscall(void);
  78 #endif
  79
  80 struct emul emul_pecoff = {
  81         "pecoff",
  82         "/emul/pecoff",
  83 #ifndef __HAVE_MINIMAL_EMUL
  84         EMUL_HAS_SYS___syscall,
  85         0,
  86         SYS_syscall,
  87         SYS_NSYSENT,
  88 #endif
  89         sysent,
  90 #ifdef SYSCALL_DEBUG
  91         syscallnames,
  92 #else
  93         NULL,
  94 #endif
  95         sendsig,
  96         trapsignal,
  97         NULL,
  98 #ifdef COMPAT_16
  99         sigcode,
 100         esigcode,
 101         &emul_pecoff_object,
 102 #else
 103         NULL,
 104         NULL,
 105         NULL,
 106 #endif
 107         setregs,
 108         NULL,
 109         NULL,
 110         NULL,
 111         NULL,
 112         NULL,
 113 #ifdef __HAVE_SYSCALL_INTERN
 114         syscall_intern,
 115 #else
 116         syscall,
 117 #endif
 118         NULL,
 119         NULL,
 120
 121         uvm_default_mapaddr,
 122         NULL,
 123         NULL,
 124         sizeof(ucontext_t),
 125         NULL,
 126 };