/* $NetBSD: syscallemu.h,v 1.1 2012/01/05 13:26:51 jmcneill Exp $ */
/*-
* Copyright (c) 2012 Jared D. McNeill <
[email protected]>
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
*/
#ifndef _HAVE_SYSCALLEMU_H
#define _HAVE_SYSCALLEMU_H
#include <sys/cdefs.h>
#include <sys/syscall.h>
#include <sys/syscallargs.h>
struct proc;
/*
* Process specific syscallemu configuration
*/
struct syscallemu_data {
vaddr_t sce_user_start;
vaddr_t sce_user_end;
void *sce_md_syscall;
};
/*
* Get process specific syscallemu data
*/
struct syscallemu_data * syscallemu_getsce(struct proc *);
/*
* Set process specific syscallemu data
*/
void syscallemu_setsce(struct proc *, struct syscallemu_data *);
/*
* MD specific syscallemu syscall setup (in syscallemu_${MACHINE_ARCH}.c)
*/
void * md_syscallemu(struct proc *);
/* syscall: "syscallemu" ret: "int" args: "uintptr_t" "uintptr_t" */
#define SYS_syscallemu 511
struct sys_syscallemu_args {
syscallarg(uintptr_t) user_start;
syscallarg(uintptr_t) user_end;
};
check_syscall_args(sys_syscallemu);
int sys_syscallemu(struct lwp *, const struct sys_syscallemu_args *,
register_t *);
__CTASSERT(SYS_syscallemu >= SYS_MAXSYSCALL);
__CTASSERT(SYS_syscallemu < SYS_NSYSENT);
#endif /* !_HAVE_SYSCALLEMU_H */
