117 lines
3.2 KiB
C
117 lines
3.2 KiB
C
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/*-
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* Copyright (c) 1990 The Regents of the University of California.
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* All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* William Jolitz.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)frame.h 5.2 (Berkeley) 1/18/91
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*/
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/*
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* System stack frames.
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*/
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/*
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* Exception/Trap Stack Frame
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*/
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struct trapframe {
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int tf_es;
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int tf_ds;
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int tf_edi;
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int tf_esi;
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int tf_ebp;
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int tf_isp;
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int tf_ebx;
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int tf_edx;
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int tf_ecx;
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int tf_eax;
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int tf_trapno;
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/* below portion defined in 386 hardware */
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int tf_err;
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int tf_eip;
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int tf_cs;
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int tf_eflags;
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/* below only when transitting rings (e.g. user to kernel) */
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int tf_esp;
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int tf_ss;
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};
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/* Interrupt stack frame */
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struct intrframe {
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int if_vec;
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int if_ppl;
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int if_es;
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int if_ds;
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int if_edi;
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int if_esi;
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int if_ebp;
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int :32;
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int if_ebx;
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int if_edx;
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int if_ecx;
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int if_eax;
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int :32; /* for compat with trap frame - trapno */
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int :32; /* for compat with trap frame - err */
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/* below portion defined in 386 hardware */
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int if_eip;
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int if_cs;
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int if_eflags;
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/* below only when transitting rings (e.g. user to kernel) */
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int if_esp;
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int if_ss;
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};
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/*
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* Call Gate/System Call Stack Frame
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*/
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struct syscframe {
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int sf_edi;
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int sf_esi;
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int sf_ebp;
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int :32; /* redundant save of isp */
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int sf_ebx;
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int sf_edx;
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int sf_ecx;
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int sf_eax;
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int sf_eflags;
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/* below portion defined in 386 hardware */
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/* int sf_args[N]; /* if call gate copy args enabled!*/
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int sf_eip;
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int sf_cs;
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/* below only when transitting rings (e.g. user to kernel) */
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int sf_esp;
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int sf_ss;
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};
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