192 lines
5.6 KiB
C
192 lines
5.6 KiB
C
/* $NetBSD: frame.h,v 1.34 2011/06/02 18:46:51 dsl Exp $ */
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/*-
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* Copyright (c) 1998 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Charles M. Hannum.
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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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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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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. 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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#ifndef _I386_FRAME_H_
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#define _I386_FRAME_H_
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#include <sys/signal.h>
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#include <sys/sa.h>
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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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uint16_t tf_gs;
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uint16_t tf_gs_pad;
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uint16_t tf_fs;
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uint16_t tf_fs_pad;
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uint16_t tf_es;
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uint16_t tf_es_pad;
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uint16_t tf_ds;
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uint16_t tf_ds_pad;
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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_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 used 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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/* below used when switching out of VM86 mode */
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int tf_vm86_es;
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int tf_vm86_ds;
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int tf_vm86_fs;
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int tf_vm86_gs;
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};
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/*
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* Interrupt stack frame
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*/
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struct intrframe {
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int if_ppl;
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int if_gs;
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int if_fs;
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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 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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uint32_t __if_trapno; /* for compat with trap frame - trapno */
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uint32_t __if_err; /* 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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* Stack frame inside cpu_switchto()
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*/
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struct switchframe {
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int sf_edi;
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int sf_esi;
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int sf_ebx;
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int sf_eip;
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};
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#ifdef _KERNEL
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/*
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* Old-style signal frame
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*/
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struct sigframe_sigcontext {
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int sf_ra; /* return address for handler */
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int sf_signum; /* "signum" argument for handler */
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int sf_code; /* "code" argument for handler */
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struct sigcontext *sf_scp; /* "scp" argument for handler */
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struct sigcontext sf_sc; /* actual saved context */
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};
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#endif
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/*
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* New-style signal frame
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*/
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struct sigframe_siginfo {
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int sf_ra; /* return address for handler */
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int sf_signum; /* "signum" argument for handler */
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siginfo_t *sf_sip; /* "sip" argument for handler */
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ucontext_t *sf_ucp; /* "ucp" argument for handler */
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siginfo_t sf_si; /* actual saved siginfo */
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ucontext_t sf_uc; /* actual saved ucontext */
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};
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/*
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* Scheduler activations upcall frame
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*/
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struct saframe {
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int sa_ra;
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int sa_type;
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struct sa_t** sa_sas;
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int sa_events;
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int sa_interrupted;
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void* sa_arg;
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};
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#ifdef _KERNEL
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void *getframe(struct lwp *, int, int *);
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void buildcontext(struct lwp *, int, void *, void *);
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void sendsig_sigcontext(const ksiginfo_t *, const sigset_t *);
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#endif
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#endif /* _I386_FRAME_H_ */
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