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/*-
* 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
* $FreeBSD$
*/
#ifndef _MACHINE_REG_H_
#define _MACHINE_REG_H_
#if defined(_KERNEL) && !defined(_STANDALONE)
#include "opt_compat.h"
#endif
/*
* Register set accessible via /proc/$pid/regs and PT_{SET,GET}REGS.
*/
struct reg {
register_t r_r15;
register_t r_r14;
register_t r_r13;
register_t r_r12;
register_t r_r11;
register_t r_r10;
register_t r_r9;
register_t r_r8;
register_t r_rdi;
register_t r_rsi;
register_t r_rbp;
register_t r_rbx;
register_t r_rdx;
register_t r_rcx;
register_t r_rax;
uint32_t r_trapno;
uint16_t r_fs;
uint16_t r_gs;
uint32_t r_err;
uint16_t r_es;
uint16_t r_ds;
register_t r_rip;
register_t r_cs;
register_t r_rflags;
register_t r_rsp;
register_t r_ss;
};
/*
* Register set accessible via /proc/$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_LOCAL_ENABLE 0x01
#define DBREG_DR7_GLOBAL_ENABLE 0x02
#define DBREG_DR7_LEN_1 0x00 /* 1 byte length */
#define DBREG_DR7_LEN_2 0x01
#define DBREG_DR7_LEN_4 0x03
#define DBREG_DR7_LEN_8 0x02
#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_DR7_MASK(i) (0xful << ((i) * 4 + 16) | 0x3 << (i) * 2)
#define DBREG_DR7_SET(i, len, access, enable) \
((u_long)((len) << 2 | (access)) << ((i) * 4 + 16) | (enable) << (i) * 2)
#define DBREG_DR7_GD 0x2000
#define DBREG_DR7_ENABLED(d, i) (((d) & 0x3 << (i) * 2) != 0)
#define DBREG_DR7_ACCESS(d, i) ((d) >> ((i) * 4 + 16) & 0x3)
#define DBREG_DR7_LEN(d, i) ((d) >> ((i) * 4 + 18) & 0x3)
#define DBREG_DRX(d,x) ((d)->dr[(x)]) /* reference dr0 - dr15 by
register number */
#ifdef COMPAT_FREEBSD32
#include <machine/fpu.h>
#include <compat/ia32/ia32_reg.h>
#endif
#ifdef _KERNEL
/*
* XXX these interfaces are MI, so they should be declared in a MI place.
*/
int fill_regs(struct thread *, struct reg *);
int set_regs(struct thread *, struct reg *);
int fill_fpregs(struct thread *, struct fpreg *);
int set_fpregs(struct thread *, struct fpreg *);
int fill_dbregs(struct thread *, struct dbreg *);
int set_dbregs(struct thread *, struct dbreg *);
#endif
#endif /* !_MACHINE_REG_H_ */
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