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/*        $NetBSD: freebsd_machdep.h,v 1.13 2014/02/12 23:24:09 dsl Exp $        */
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/*
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 * Copyright (c) 1986, 1989, 1991, 1993
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 *        The Regents of the University of California.  All rights reserved.
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 *
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 * This code is derived from software contributed to Berkeley by
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 * William Jolitz.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 * 1. Redistributions of source code must retain the above copyright
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 *    notice, this list of conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    notice, this list of conditions and the following disclaimer in the
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 *    documentation and/or other materials provided with the distribution.
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 * 3. Neither the name of the University nor the names of its contributors
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 *    may be used to endorse or promote products derived from this software
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 *    without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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 * SUCH DAMAGE.
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 *
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 *        from: @(#)signal.h        8.1 (Berkeley) 6/11/93
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 *        from: Id: signal.h,v 1.4 1994/08/21 04:55:30 paul Exp
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 *
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 *        from: @(#)frame.h        5.2 (Berkeley) 1/18/91
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 *        from: Id: frame.h,v 1.10 1995/03/16 18:11:42 bde Exp
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 */
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#ifndef _FREEBSD_MACHDEP_H
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#define _FREEBSD_MACHDEP_H
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#include <compat/sys/sigtypes.h>
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/*
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 * signal support
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 */
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struct freebsd_osigcontext {
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        int        sc_onstack;        /* sigstack state to restore */
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        sigset13_t sc_mask;        /* signal mask to restore */
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        int        sc_esp;                /* machine state */
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        int        sc_ebp;
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        int        sc_isp;
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        int        sc_eip;
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        int        sc_eflags;
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        int        sc_es;
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        int        sc_ds;
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        int        sc_cs;
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        int        sc_ss;
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        int        sc_edi;
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        int        sc_esi;
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        int        sc_ebx;
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        int        sc_edx;
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        int        sc_ecx;
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        int        sc_eax;
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};
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/*
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 * The sequence of the fields/registers in struct sigcontext should match
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 * those in mcontext_t.
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 */
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struct freebsd_sigcontext {
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        sigset_t sc_mask;                /* signal mask to restore */
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        int        sc_onstack;                /* sigstack state to restore */
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        int        sc_gs;                        /* machine state (struct trapframe): */
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        int        sc_fs;
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        int        sc_es;
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        int        sc_ds;
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        int        sc_edi;
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        int        sc_esi;
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        int        sc_ebp;
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        int        sc_isp;
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        int        sc_ebx;
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        int        sc_edx;
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        int        sc_ecx;
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        int        sc_eax;
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        int        sc_trapno;
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        int        sc_err;
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        int        sc_eip;
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        int        sc_cs;
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        int        sc_efl;
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        int        sc_esp;
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        int        sc_ss;
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        /*
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         * XXX FPU state is 27 * 4 bytes h/w, 1 * 4 bytes s/w (probably not
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         * needed here), or that + 16 * 4 bytes for emulators (probably all
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         * needed here).  The "spare" bytes are mostly not spare.
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         */
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        int        sc_fpregs[28];                /* machine state (FPU): */
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        int        sc_spare[17];
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};
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struct freebsd_sigframe {
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        int        sf_signum;
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        int        sf_code;
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        struct        freebsd_sigcontext *sf_scp;
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        char        *sf_addr;
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        sig_t        sf_handler;
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        struct        freebsd_sigcontext sf_sc;
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};
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/* sys/i386/include/exec.h */
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#define FREEBSD___LDPGSZ        4096
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void freebsd_syscall_intern(struct proc *);
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#endif /* _FREEBSD_MACHDEP_H */