/*      $NetBSD: hpux_machdep.h,v 1.24 2009/12/10 14:13:49 matt Exp $   */

/*-
 * Copyright (c) 1996, 1997, 1998 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by Jason R. Thorpe.
 *
 * 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 _HP300_HPUX_MACHDEP_H_
#define _HP300_HPUX_MACHDEP_H_

/*
 * Information pushed on stack when a signal is delivered.
 * This is used by the kernel to restore state following
 * execution of the signal handler.  It is also made available
 * to the handler to allow it to restore state properly if
 * a non-standard exit is performed.
 */
struct hpuxsigcontext {
        int     hsc_syscall;            /* ??? (syscall number?) */
        char    hsc_action;             /* ??? */
        char    hsc_pad1;
        char    hsc_pad2;
        char    hsc_onstack;            /* sigstack state to restore */
        int     hsc_mask;               /* signal mask to restore */
        int     hsc_sp;                 /* sp to restore */
        short   hsc_ps;                 /* psl to restore */
        int     hsc_pc;                 /* pc to restore */

        /*
         * The following are not actually used by HP-UX.  They exist
         * for the convenience of the compatibility code.
         */
        short   _hsc_pad;
        int     _hsc_ap;                /* pointer to hpuxsigstate */
};

#ifdef _KERNEL
struct exec_package;
struct exec_vmcmd;

int     hpux_cpu_makecmds(struct lwp *, struct exec_package *);
int     hpux_cpu_vmcmd(struct lwp *, struct exec_vmcmd *);
int     hpux_cpu_sysconf_arch(void);
int     hpux_to_bsd_uoff(int *, int *, struct lwp *);

void    hpux_sendsig(const ksiginfo_t *, const sigset_t *);
void    hpux_setregs(struct lwp *, struct exec_package *, vaddr_t);
#endif /* _KERNEL */

#endif /* ! _HP300_HPUX_MACHDEP_H_ */