/*      $NetBSD: linux_machdep.h,v 1.6 2008/04/28 20:23:42 martin Exp $ */

/*-
* Copyright (c) 1995, 2000 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Frank van der Linden.
*
* 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 _ARM_LINUX_MACHDEP_H_
#define _ARM_LINUX_MACHDEP_H_

#include <compat/linux/common/linux_signal.h>

struct linux_sigcontext {
       u_int32_t       sc_trapno;
       u_int32_t       sc_error_code;
       linux_old_sigset_t      sc_mask;
       u_int32_t       sc_r0;
       u_int32_t       sc_r1;
       u_int32_t       sc_r2;
       u_int32_t       sc_r3;
       u_int32_t       sc_r4;
       u_int32_t       sc_r5;
       u_int32_t       sc_r6;
       u_int32_t       sc_r7;
       u_int32_t       sc_r8;
       u_int32_t       sc_r9;
       u_int32_t       sc_r10;
       u_int32_t       sc_r11;
       u_int32_t       sc_r12;
       u_int32_t       sc_sp;
       u_int32_t       sc_lr;
       u_int32_t       sc_pc;
       u_int32_t       sc_cpsr;
       u_int32_t       sc_fault_address;
};

/*
* We make the stack look like Linux expects it when calling a signal
* handler, but use the BSD way of calling the handler and sigreturn().
* This means that we need to pass the pointer to the handler too.
* It is appended to the frame to not interfere with the rest of it.
*/

struct linux_sigframe {
       struct  linux_sigcontext sf_sc;
       unsigned long   sf_extramask[LINUX__NSIG_WORDS - 1];
};

void linux_syscall_intern(struct proc *);

#endif