NetBSD/sys/arch/i386/include/reg.h

107 lines
3.8 KiB
C

/* $NetBSD: reg.h,v 1.16 2001/07/17 08:13:06 fvdl 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. 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.
*
* @(#)reg.h 5.5 (Berkeley) 1/18/91
*/
#ifndef _I386_REG_H_
#define _I386_REG_H_
#include <machine/frame.h>
/*
* Location of the users' stored
* registers within appropriate frame of 'trap' and 'syscall', relative to
* base of stack frame.
*
* XXX these should be nuked. Currently used by math_emulate.c, and they
* used to be used in the NetBSD/i386 bits of gdb, but no more.
*/
/* When referenced during a trap/exception, registers are at these offsets */
#define tES (offsetof(struct trapframe, tf_es) / sizeof (int))
#define tDS (offsetof(struct trapframe, tf_ds) / sizeof (int))
#define tEDI (offsetof(struct trapframe, tf_edi) / sizeof (int))
#define tESI (offsetof(struct trapframe, tf_esi) / sizeof (int))
#define tEBP (offsetof(struct trapframe, tf_ebp) / sizeof (int))
#define tEBX (offsetof(struct trapframe, tf_ebx) / sizeof (int))
#define tEDX (offsetof(struct trapframe, tf_edx) / sizeof (int))
#define tECX (offsetof(struct trapframe, tf_ecx) / sizeof (int))
#define tEAX (offsetof(struct trapframe, tf_eax) / sizeof (int))
#define tEIP (offsetof(struct trapframe, tf_eip) / sizeof (int))
#define tCS (offsetof(struct trapframe, tf_cs) / sizeof (int))
#define tEFLAGS (offsetof(struct trapframe, tf_eflags) / sizeof (int))
#define tESP (offsetof(struct trapframe, tf_esp) / sizeof (int))
#define tSS (offsetof(struct trapframe, tf_ss) / sizeof (int))
/*
* 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[108];
};
#endif /* !_I386_REG_H_ */