/* $NetBSD: syscallemu.h,v 1.1 2012/01/05 13:26:51 jmcneill Exp $ */ /*- * Copyright (c) 2012 Jared D. McNeill <jmcneill@invisible.ca> * 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 */ |