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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.
* 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.
*
* from: @(#)frame.h 5.2 (Berkeley) 1/18/91
* $Id$
*/
#include <sys/signal.h>
/*
* System stack frames.
*/
/*
* Exception/Trap Stack Frame
*/
struct trapframe {
int tf_es;
int tf_ds;
int tf_edi;
int tf_esi;
int tf_ebp;
int tf_isp;
int tf_ebx;
int tf_edx;
int tf_ecx;
int tf_eax;
int tf_trapno;
/* below portion defined in 386 hardware */
int tf_err;
int tf_eip;
int tf_cs;
int tf_eflags;
/* below only when transitting rings (e.g. user to kernel) */
int tf_esp;
int tf_ss;
};
/* Interrupt stack frame */
struct intrframe {
int if_vec;
int if_ppl;
int if_es;
int if_ds;
int if_edi;
int if_esi;
int if_ebp;
int :32;
int if_ebx;
int if_edx;
int if_ecx;
int if_eax;
int :32; /* for compat with trap frame - trapno */
int :32; /* for compat with trap frame - err */
/* below portion defined in 386 hardware */
int if_eip;
int if_cs;
int if_eflags;
/* below only when transitting rings (e.g. user to kernel) */
int if_esp;
int if_ss;
};
/*
* Signal frame
*/
struct sigframe {
int sf_signum;
int sf_code;
struct sigcontext *sf_scp;
sig_t sf_handler;
int sf_eax;
int sf_edx;
int sf_ecx;
struct sigcontext sf_sc;
} ;
/*
* Call Gate/System Call Stack Frame
*/
struct syscframe {
int sf_edi;
int sf_esi;
int sf_ebp;
int :32; /* redundant save of isp */
int sf_ebx;
int sf_edx;
int sf_ecx;
int sf_eax;
int sf_eflags;
/* below portion defined in 386 hardware */
/* int sf_args[N]; /* if call gate copy args enabled!*/
int sf_eip;
int sf_cs;
/* below only when transitting rings (e.g. user to kernel) */
int sf_esp;
int sf_ss;
};
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