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/* $OpenBSD: netbsd_exec.c,v 1.4 1999/09/19 16:16:49 kstailey Exp $ */
/* $NetBSD: svr4_exec.c,v 1.16 1995/10/14 20:24:20 christos Exp $ */
/*
* Copyright (c) 1994 Christos Zoulas
* All rights reserved.
*
* 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. 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/proc.h>
#include <sys/signalvar.h>
#include <sys/malloc.h>
#include <sys/exec.h>
#include <sys/exec_elf.h>
#include <sys/exec_olf.h>
#include <sys/mman.h>
#include <vm/vm.h>
#include <vm/vm_param.h>
#include <vm/vm_map.h>
#include <machine/cpu.h>
#include <machine/reg.h>
#if 0
#include <machine/netbsd_machdep.h>
#endif
#include <compat/netbsd/netbsd_util.h>
#include <compat/netbsd/netbsd_syscall.h>
#include <compat/netbsd/netbsd_exec.h>
static void *netbsd_copyargs __P((struct exec_package *, struct ps_strings *,
void *, void *));
extern char sigcode[], esigcode[];
extern struct sysent netbsd_sysent[];
extern char *netbsd_syscallnames[];
struct emul emul_elf64_netbsd = {
"netbsd",
NULL,
sendsig,
NETBSD_SYS_syscall,
NETBSD_SYS_MAXSYSCALL,
netbsd_sysent,
netbsd_syscallnames,
0,
netbsd_copyargs,
setregs,
exec_elf64_fixup,
sigcode,
esigcode,
};
static void *
netbsd_copyargs(pack, arginfo, stack, argp)
struct exec_package *pack;
struct ps_strings *arginfo;
void *stack;
void *argp;
{
AuxInfo *a;
if (!(a = (AuxInfo *)elf64_copyargs(pack, arginfo, stack, argp)))
return (NULL);
return (a);
}
int
netbsd_elf64_probe(p, epp, itp, pos, os)
struct proc *p;
struct exec_package *epp;
char *itp;
u_long *pos;
u_int8_t *os;
{
Elf64_Ehdr *eh = epp->ep_hdr;
char *bp;
int error;
size_t len;
if (elf64_os_pt_note(p, epp, eh, "NetBSD\0", 7, 4))
return (EINVAL);
if (itp[0]) {
if ((error = emul_find(p, NULL, netbsd_emul_path, itp, &bp, 0)))
return (error);
if ((error = copystr(bp, itp, MAXPATHLEN, &len)))
return (error);
free(bp, M_TEMP);
}
epp->ep_emul = &emul_elf64_netbsd;
*pos = ELF64_NO_ADDR;
if (*os == OOS_NULL)
*os = OOS_NETBSD;
return (0);
}
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