NetBSD/sys/compat/ibcs2/ibcs2_exec.c

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/* $NetBSD: ibcs2_exec.c,v 1.45 2001/05/07 09:55:13 manu Exp $ */
1994-10-26 05:45:11 +03:00
/*
* Copyright (c) 1994, 1995, 1998 Scott Bartram
* Copyright (c) 1994 Adam Glass
* Copyright (c) 1993, 1994 Christopher G. Demetriou
* All rights reserved.
*
1994-10-26 05:45:11 +03:00
* originally from kern/exec_ecoff.c
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Scott Bartram.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/proc.h>
#include <sys/malloc.h>
#include <sys/namei.h>
#include <sys/vnode.h>
#include <sys/mount.h>
#include <sys/exec.h>
#include <machine/ibcs2_machdep.h>
#include <compat/ibcs2/ibcs2_types.h>
#include <compat/ibcs2/ibcs2_exec.h>
#include <compat/ibcs2/ibcs2_errno.h>
#include <compat/ibcs2/ibcs2_syscall.h>
static void ibcs2_e_proc_exec __P((struct proc *, struct exec_package *));
extern struct sysent ibcs2_sysent[];
extern const char * const ibcs2_syscallnames[];
extern char ibcs2_sigcode[], ibcs2_esigcode[];
#ifndef __HAVE_SYSCALL_INTERN
void syscall __P((void));
#endif
#ifdef IBCS2_DEBUG
int ibcs2_debug = 1;
#else
int ibcs2_debug = 0;
#endif
const struct emul emul_ibcs2 = {
"ibcs2",
"/emul/ibcs2",
#ifndef __HAVE_MINIMAL_EMUL
EMUL_NO_BSD_ASYNCIO_PIPE | EMUL_NO_SIGIO_ON_READ,
native_to_ibcs2_errno,
IBCS2_SYS_syscall,
IBCS2_SYS_MAXSYSCALL,
#endif
ibcs2_sysent,
ibcs2_syscallnames,
ibcs2_sendsig,
ibcs2_sigcode,
ibcs2_esigcode,
ibcs2_e_proc_exec,
NULL,
NULL,
#ifdef __HAVE_SYSCALL_INTERN
ibcs2_syscall_intern,
#else
syscall,
#endif
#
};
/*
* This is exec process hook. Find out if this is x.out executable, if
* yes, set flag appropriately, so that emul code which needs to adjust
* behaviour accordingly can do so.
*/
static void
ibcs2_e_proc_exec(p, epp)
struct proc *p;
struct exec_package *epp;
{
if (epp->ep_es->es_check == exec_ibcs2_xout_makecmds)
p->p_emuldata = IBCS2_EXEC_XENIX;
else
p->p_emuldata = IBCS2_EXEC_OTHER;
}