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/*        $NetBSD: reg.h,v 1.19 2008/01/16 09:37:08 ad Exp $        */
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/*-
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 * Copyright (c) 1990 The Regents of the University of California.
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 * 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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 *        @(#)reg.h        5.5 (Berkeley) 1/18/91
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 */
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#ifndef _I386_REG_H_
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#define _I386_REG_H_
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#include <machine/frame.h>
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/*
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 * Location of the users' stored
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 * registers within appropriate frame of 'trap' and 'syscall', relative to
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 * base of stack frame.
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 *
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 * XXX these should be nuked. They used to be used in the NetBSD/i386 bits
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 * of gdb, but no more.
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 */
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/* When referenced during a trap/exception, registers are at these offsets */
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#define        tES        (offsetof(struct trapframe, tf_es) / sizeof (int))
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#define        tDS        (offsetof(struct trapframe, tf_ds) / sizeof (int))
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#define        tEDI        (offsetof(struct trapframe, tf_edi) / sizeof (int))
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#define        tESI        (offsetof(struct trapframe, tf_esi) / sizeof (int))
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#define        tEBP        (offsetof(struct trapframe, tf_ebp) / sizeof (int))
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#define        tEBX        (offsetof(struct trapframe, tf_ebx) / sizeof (int))
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#define        tEDX        (offsetof(struct trapframe, tf_edx) / sizeof (int))
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#define        tECX        (offsetof(struct trapframe, tf_ecx) / sizeof (int))
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#define        tEAX        (offsetof(struct trapframe, tf_eax) / sizeof (int))
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#define        tEIP        (offsetof(struct trapframe, tf_eip) / sizeof (int))
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#define        tCS        (offsetof(struct trapframe, tf_cs) / sizeof (int))
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#define        tEFLAGS        (offsetof(struct trapframe, tf_eflags) / sizeof (int))
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#define        tESP        (offsetof(struct trapframe, tf_esp) / sizeof (int))
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#define        tSS        (offsetof(struct trapframe, tf_ss) / sizeof (int))
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/*
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 * Registers accessible to ptrace(2) syscall for debugger
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 * The machine-dependent code for PT_{SET,GET}REGS needs to
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 * use whichver order, defined above, is correct, so that it
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 * is all invisible to the user.
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 */
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struct reg {
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        int        r_eax;
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        int        r_ecx;
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        int        r_edx;
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        int        r_ebx;
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        int        r_esp;
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        int        r_ebp;
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        int        r_esi;
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        int        r_edi;
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        int        r_eip;
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        int        r_eflags;
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        int        r_cs;
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        int        r_ss;
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        int        r_ds;
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        int        r_es;
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        int        r_fs;
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        int        r_gs;
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};
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struct fpreg {
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        /*
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         * XXX
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         * Fill this in with real info.
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         */
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        char        __data[108];
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};
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struct xmmregs {
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        /*
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         * XXX
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         * Fill this in with real info.
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         */
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        char        __data[512];
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};
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#endif /* !_I386_REG_H_ */