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frame.h revision 1.12
      1  1.12  mycroft /*	$NetBSD: frame.h,v 1.12 1995/10/11 04:20:08 mycroft Exp $	*/
      2  1.10      cgd 
      3   1.1      cgd /*-
      4  1.12  mycroft  * Copyright (c) 1995 Charles M. Hannum.  All rights reserved.
      5   1.1      cgd  * Copyright (c) 1990 The Regents of the University of California.
      6   1.1      cgd  * All rights reserved.
      7   1.1      cgd  *
      8   1.1      cgd  * This code is derived from software contributed to Berkeley by
      9   1.1      cgd  * William Jolitz.
     10   1.1      cgd  *
     11   1.1      cgd  * Redistribution and use in source and binary forms, with or without
     12   1.1      cgd  * modification, are permitted provided that the following conditions
     13   1.1      cgd  * are met:
     14   1.1      cgd  * 1. Redistributions of source code must retain the above copyright
     15   1.1      cgd  *    notice, this list of conditions and the following disclaimer.
     16   1.1      cgd  * 2. Redistributions in binary form must reproduce the above copyright
     17   1.1      cgd  *    notice, this list of conditions and the following disclaimer in the
     18   1.1      cgd  *    documentation and/or other materials provided with the distribution.
     19   1.1      cgd  * 3. All advertising materials mentioning features or use of this software
     20   1.1      cgd  *    must display the following acknowledgement:
     21   1.1      cgd  *	This product includes software developed by the University of
     22   1.1      cgd  *	California, Berkeley and its contributors.
     23   1.1      cgd  * 4. Neither the name of the University nor the names of its contributors
     24   1.1      cgd  *    may be used to endorse or promote products derived from this software
     25   1.1      cgd  *    without specific prior written permission.
     26   1.1      cgd  *
     27   1.1      cgd  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     28   1.1      cgd  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     29   1.1      cgd  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     30   1.1      cgd  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     31   1.1      cgd  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     32   1.1      cgd  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     33   1.1      cgd  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     34   1.1      cgd  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     35   1.1      cgd  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     36   1.1      cgd  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     37   1.1      cgd  * SUCH DAMAGE.
     38   1.1      cgd  *
     39  1.10      cgd  *	@(#)frame.h	5.2 (Berkeley) 1/18/91
     40   1.1      cgd  */
     41   1.1      cgd 
     42   1.6   brezak #include <sys/signal.h>
     43   1.6   brezak 
     44   1.1      cgd /*
     45   1.1      cgd  * System stack frames.
     46   1.1      cgd  */
     47   1.1      cgd 
     48   1.1      cgd /*
     49   1.1      cgd  * Exception/Trap Stack Frame
     50   1.1      cgd  */
     51   1.1      cgd struct trapframe {
     52   1.1      cgd 	int	tf_es;
     53   1.1      cgd 	int	tf_ds;
     54   1.1      cgd 	int	tf_edi;
     55   1.1      cgd 	int	tf_esi;
     56   1.1      cgd 	int	tf_ebp;
     57   1.1      cgd 	int	tf_ebx;
     58   1.1      cgd 	int	tf_edx;
     59   1.1      cgd 	int	tf_ecx;
     60   1.1      cgd 	int	tf_eax;
     61   1.1      cgd 	int	tf_trapno;
     62   1.1      cgd 	/* below portion defined in 386 hardware */
     63   1.1      cgd 	int	tf_err;
     64   1.1      cgd 	int	tf_eip;
     65   1.1      cgd 	int	tf_cs;
     66   1.1      cgd 	int	tf_eflags;
     67  1.11  mycroft 	/* below used when transitting rings (e.g. user to kernel) */
     68   1.1      cgd 	int	tf_esp;
     69   1.1      cgd 	int	tf_ss;
     70  1.11  mycroft 	/* below used when switching out of VM86 mode */
     71  1.11  mycroft 	int	tf_vm86_es;
     72  1.11  mycroft 	int	tf_vm86_ds;
     73  1.11  mycroft 	int	tf_vm86_fs;
     74  1.11  mycroft 	int	tf_vm86_gs;
     75   1.1      cgd };
     76   1.1      cgd 
     77  1.12  mycroft /*
     78  1.12  mycroft  * Interrupt stack frame
     79  1.12  mycroft  */
     80   1.1      cgd struct intrframe {
     81   1.1      cgd 	int	if_ppl;
     82   1.1      cgd 	int	if_es;
     83   1.1      cgd 	int	if_ds;
     84   1.1      cgd 	int	if_edi;
     85   1.1      cgd 	int	if_esi;
     86   1.1      cgd 	int	if_ebp;
     87   1.1      cgd 	int	if_ebx;
     88   1.1      cgd 	int	if_edx;
     89   1.1      cgd 	int	if_ecx;
     90   1.1      cgd 	int	if_eax;
     91   1.1      cgd 	int	:32;		/* for compat with trap frame - trapno */
     92   1.1      cgd 	int	:32;		/* for compat with trap frame - err */
     93   1.1      cgd 	/* below portion defined in 386 hardware */
     94   1.1      cgd 	int	if_eip;
     95   1.1      cgd 	int	if_cs;
     96   1.1      cgd 	int	if_eflags;
     97   1.1      cgd 	/* below only when transitting rings (e.g. user to kernel) */
     98   1.1      cgd 	int	if_esp;
     99   1.1      cgd 	int	if_ss;
    100  1.12  mycroft };
    101  1.12  mycroft 
    102  1.12  mycroft /*
    103  1.12  mycroft  * Stack frame inside cpu_switch()
    104  1.12  mycroft  */
    105  1.12  mycroft struct switchframe {
    106  1.12  mycroft 	int	sf_ppl;
    107  1.12  mycroft 	int	sf_edi;
    108  1.12  mycroft 	int	sf_esi;
    109  1.12  mycroft 	int	sf_ebx;
    110  1.12  mycroft 	int	sf_eip;
    111   1.1      cgd };
    112   1.5   brezak 
    113   1.5   brezak /*
    114   1.5   brezak  * Signal frame
    115   1.5   brezak  */
    116   1.5   brezak struct sigframe {
    117   1.5   brezak 	int	sf_signum;
    118   1.5   brezak 	int	sf_code;
    119   1.5   brezak 	struct	sigcontext *sf_scp;
    120   1.5   brezak 	sig_t	sf_handler;
    121   1.5   brezak 	struct	sigcontext sf_sc;
    122   1.7  mycroft };
    123