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/* $OpenBSD: reg.h,v 1.4 2003/09/08 21:49:12 mickey Exp $ */
/* $NetBSD: reg.h,v 1.14 1995/10/11 04:20:24 mycroft Exp $ */
/*-
* Copyright (c) 1990 The Regents of the University of California.
* All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* William Jolitz.
*
* 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.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
*
* @(#)reg.h 5.5 (Berkeley) 1/18/91
*/
#ifndef _I386_REG_H_
#define _I386_REG_H_
/*
* Location of the users' stored
* registers within appropriate frame of 'trap' and 'syscall', relative to
* base of stack frame.
* Normal usage is u.u_ar0[XX] in kernel.
*/
/* When referenced during a trap/exception, registers are at these offsets */
#define tES (0)
#define tDS (1)
#define tEDI (2)
#define tESI (3)
#define tEBP (4)
#define tEBX (5)
#define tEDX (6)
#define tECX (7)
#define tEAX (8)
#define tEIP (11)
#define tCS (12)
#define tEFLAGS (13)
#define tESP (14)
#define tSS (15)
/*
* Registers accessible to ptrace(2) syscall for debugger
* The machine-dependent code for PT_{SET,GET}REGS needs to
* use whichver order, defined above, is correct, so that it
* is all invisible to the user.
*/
struct reg {
int r_eax;
int r_ecx;
int r_edx;
int r_ebx;
int r_esp;
int r_ebp;
int r_esi;
int r_edi;
int r_eip;
int r_eflags;
int r_cs;
int r_ss;
int r_ds;
int r_es;
int r_fs;
int r_gs;
};
struct fpreg {
/*
* XXX
* Fill this in with real info.
*/
char __data[116];
};
#endif /* !_I386_REG_H_ */
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