/*-
* 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: frame.h,v 1.17 1999/05/11 16:29:01 luoqi Exp $
*/
#ifndef _MACHINE_FRAME_H_
#define _MACHINE_FRAME_H_ 1
#include <sys/signal.h>
/*
* System stack frames.
*/
/*
* Exception/Trap Stack Frame
*/
struct trapframe {
int tf_fs;
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 crossing rings (e.g. user to kernel) */
int tf_esp;
int tf_ss;
};
/* Superset of trap frame, for traps from virtual-8086 mode */
struct trapframe_vm86 {
int tf_fs;
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 crossing rings (e.g. user to kernel) */
int tf_esp;
int tf_ss;
/* below only when switching out of VM86 mode */
int tf_vm86_es;
int tf_vm86_ds;
int tf_vm86_fs;
int tf_vm86_gs;
};
/* Interrupt stack frame */
struct intrframe {
int if_vec;
int if_ppl;
int if_fs;
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 crossing rings (e.g. user to kernel) */
int if_esp;
int if_ss;
};
/* frame of clock (same as interrupt frame) */
struct clockframe {
int cf_vec;
int cf_ppl;
int cf_fs;
int cf_es;
int cf_ds;
int cf_edi;
int cf_esi;
int cf_ebp;
int :32;
int cf_ebx;
int cf_edx;
int cf_ecx;
int cf_eax;
int :32; /* for compat with trap frame - trapno */
int :32; /* for compat with trap frame - err */
/* below portion defined in 386 hardware */
int cf_eip;
int cf_cs;
int cf_eflags;
/* below only when crossing rings (e.g. user to kernel) */
int cf_esp;
int cf_ss;
};
/*
* Signal frame, arguments passed to application signal handlers.
*/
struct sigframe {
/*
* The first three members may be used by applications.
*/
register_t sf_signum;
/*
* Either 'int' for old-style FreeBSD handler or 'siginfo_t *'
* pointing to sf_siginfo for SA_SIGINFO handlers.
*/
register_t sf_arg2;
/* Points to sf_siginfo.si_sc. */
register_t sf_scp;
/*
* The following arguments are not constrained by the
* function call protocol.
* Applications are not supposed to access these members,
* except using the pointers we provide in the first three
* arguments.
*/
char *sf_addr;
union {
__siginfohandler_t *sf_action;
__sighandler_t *sf_handler;
} sf_ahu;
/* In the SA_SIGINFO case, sf_arg2 points here. */
siginfo_t sf_siginfo;
};
int kdb_trap __P((int, int, struct trapframe *));
extern int (*pmath_emulate) __P((struct trapframe *));
#define INTR_TO_TRAPFRAME(frame) ((struct trapframe *)&(frame)->if_fs)
#endif /* _MACHINE_FRAME_H_ */
