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/*-
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. 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.
*
* from: @(#)reg.h 5.5 (Berkeley) 1/18/91
* $Id: reg.h,v 1.2 1993/10/16 14:39:29 rgrimes Exp $
*/
#ifndef _MACHINE_REG_H_
#define _MACHINE_REG_H_ 1
/*
* 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 (6)
#define tEDX (7)
#define tECX (8)
#define tEAX (9)
#define tEIP (12)
#define tCS (13)
#define tEFLAGS (14)
#define tESP (15)
#define tSS (16)
/* During a system call, registers are at these offsets instead of above. */
#define sEDI (0)
#define sESI (1)
#define sEBP (2)
#define sEBX (4)
#define sEDX (5)
#define sECX (6)
#define sEAX (7)
#define sEFLAGS (8)
#define sEIP (9)
#define sCS (10)
#define sESP (11)
#define sSS (12)
#define PC sEIP
#define SP sESP
#define PS sEFLAGS
#define R0 sEDX
#define R1 sECX
/*
* Registers accessible to ptrace(2) syscall for debugger
*/
#ifdef IPCREG
#define NIPCREG 14
int ipcreg[NIPCREG] =
{ tES,tDS,tEDI,tESI,tEBP,tEBX,tEDX,tECX,tEAX,tEIP,tCS,tEFLAGS,tESP,tSS };
#endif
#endif /* _MACHINE_REG_H_ */
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