text: /*-
   * Copyright (c) 2003 Peter Wemm.
   * 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.
   * 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
   * $FreeBSD: src/sys/amd64/include/reg.h,v 1.35 2004/04/05 23:55:14 imp Exp $
   */
  
  #ifndef _CPU_REG_H_
  #define	_CPU_REG_H_
  
  /*
   * Register set accessible via /proc/$pid/regs and PT_{SET,GET}REGS.
   */
  struct reg {
  	register_t	r_rdi;
  	register_t	r_rsi;
  	register_t	r_rdx;
  	register_t	r_rcx;
  	register_t	r_r8;
  	register_t	r_r9;
  	register_t	r_rax;
  	register_t	r_rbx;
  	register_t	r_rbp;
  	register_t	r_r10;
  	register_t	r_r11;
  	register_t	r_r12;
  	register_t	r_r13;
  	register_t	r_r14;
  	register_t	r_r15;
  	register_t	r_xflags;
  	register_t	r_trapno;
  	register_t	r_addr;
  	register_t	r_flags;
  	register_t	r_err;
  	register_t	r_rip;
  	register_t	r_cs;
  	register_t	r_rflags;
  	register_t	r_rsp;
  	register_t	r_ss;
  };
  
  /*
   * Register set accessible via /proc/$pid/fpregs.
   */
  struct fpreg {
  	/*
  	 * XXX should get struct from fpu.h.  Here we give a slightly
  	 * simplified struct.  This may be too much detail.  Perhaps
  	 * an array of unsigned longs is best.
  	 */
  	unsigned long	fpr_env[4];
  	unsigned char	fpr_acc[8][16];
  	unsigned char	fpr_xacc[16][16];
  	unsigned long	fpr_spare[12];
  };
  
  /*
   * Register set accessible via /proc/$pid/dbregs.
   */
  struct dbreg {
  	unsigned long  dr[16];	/* debug registers */
  				/* Index 0-3: debug address registers */
  				/* Index 4-5: reserved */
  				/* Index 6: debug status */
  				/* Index 7: debug control */
  				/* Index 8-15: reserved */
  };
  
  #define DBREG_DR7_EXEC      0x00      /* break on execute       */
  #define DBREG_DR7_WRONLY    0x01      /* break on write         */
  #define DBREG_DR7_RDWR      0x03      /* break on read or write */
  #define DBREG_DRX(d,x) ((d)->dr[(x)]) /* reference dr0 - dr15 by
                                           register number */
  #endif /* !_CPU_REG_H_ */
  