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/* $NetBSD: cpu_exec.c,v 1.4 1995/04/25 19:16:46 mellon Exp $ */
/*
* Copyright (c) 1992, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by Ralph
* Campbell.
*
* 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 the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
*
* @(#)machdep.c 8.3 (Berkeley) 1/12/94
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/proc.h>
#include <sys/malloc.h>
#include <sys/vnode.h>
#include <sys/exec.h>
#include <sys/resourcevar.h>
#include <vm/vm.h>
#include <sys/exec_ecoff.h>
#include <machine/reg.h>
/*
* cpu_exec_aout_makecmds():
* cpu-dependent a.out format hook for execve().
*
* Determine of the given exec package refers to something which we
* understand and, if so, set up the vmcmds for it.
*
*/
int
cpu_exec_aout_makecmds(p, epp)
struct proc *p;
struct exec_package *epp;
{
return ENOEXEC;
}
#ifdef COMPAT_ULTRIX
extern struct emul emul_ultrix;
void
cpu_exec_ecoff_setregs(p, pack, stack, retval)
struct proc *p;
struct exec_package *pack;
u_long stack;
register_t *retval;
{
struct ecoff_aouthdr *eap;
setregs(p, pack, stack, retval);
eap = (struct ecoff_aouthdr *)
((caddr_t)pack->ep_hdr + sizeof(struct ecoff_filehdr));
p->p_md.md_regs[GP] = eap->ea_gp_value;
}
/*
* cpu_exec_ecoff_hook():
* cpu-dependent ECOFF format hook for execve().
*
* Do any machine-dependent diddling of the exec package when doing ECOFF.
*
*/
int
cpu_exec_ecoff_hook(p, epp, eap)
struct proc *p;
struct exec_package *epp;
struct ecoff_aouthdr *eap;
{
epp->ep_emul = &emul_ultrix;
return 0;
}
#endif
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