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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.
* 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: release/9.1.0/sys/compat/ia32/ia32_reg.h 205014 2010-03-11 14:49:06Z nwhitehorn $
*/
#ifndef _COMPAT_IA32_IA32_REG_H_
#define _COMPAT_IA32_IA32_REG_H_
/*
* Register set accessible via /proc/$pid/regs and PT_{SET,GET}REGS.
*/
struct reg32 {
unsigned int r_fs;
unsigned int r_es;
unsigned int r_ds;
unsigned int r_edi;
unsigned int r_esi;
unsigned int r_ebp;
unsigned int r_isp;
unsigned int r_ebx;
unsigned int r_edx;
unsigned int r_ecx;
unsigned int r_eax;
unsigned int r_trapno;
unsigned int r_err;
unsigned int r_eip;
unsigned int r_cs;
unsigned int r_eflags;
unsigned int r_esp;
unsigned int r_ss;
unsigned int r_gs;
};
/*
* Register set accessible via /proc/$pid/fpregs.
*/
struct fpreg32 {
unsigned int fpr_env[7];
unsigned char fpr_acc[8][10];
unsigned int fpr_ex_sw;
unsigned char fpr_pad[64];
};
/*
* Register set accessible via /proc/$pid/dbregs.
*/
struct dbreg32 {
unsigned int dr[8]; /* debug registers */
};
/* Environment information of floating point unit */
struct env87 {
int en_cw; /* control word (16bits) */
int en_sw; /* status word (16bits) */
int en_tw; /* tag word (16bits) */
int en_fip; /* floating point instruction pointer */
u_short en_fcs; /* floating code segment selector */
u_short en_opcode; /* opcode last executed (11 bits ) */
int en_foo; /* floating operand offset */
int en_fos; /* floating operand segment selector */
};
#ifdef __ia64__
/* Layout of an x87 fpu register (amd64 gets this elsewhere) */
struct fpacc87 {
u_char fp_bytes[10];
};
#endif
/* Floating point context */
struct save87 {
struct env87 sv_env; /* floating point control/status */
struct fpacc87 sv_ac[8]; /* accumulator contents, 0-7 */
u_char sv_pad0[4]; /* padding for (now unused) saved status word */
u_char sv_pad[64]; /* padding; used by emulators */
};
/*
* Wrappers and converters.
*/
int fill_regs32(struct thread *, struct reg32 *);
int set_regs32(struct thread *, struct reg32 *);
int fill_fpregs32(struct thread *, struct fpreg32 *);
int set_fpregs32(struct thread *, struct fpreg32 *);
int fill_dbregs32(struct thread *, struct dbreg32 *);
int set_dbregs32(struct thread *, struct dbreg32 *);
#endif /* !_COMPAT_IA32_IA32_REG_H_ */