Home | History | Annotate | Line # | Download | only in freebsd 
      1 /*	$NetBSD: freebsd_machdep.h,v 1.1 2017/08/08 08:04:06 maxv Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1986, 1989, 1991, 1993
      5  *	The Regents of the University of California.  All rights reserved.
      6  *
      7  * This code is derived from software contributed to Berkeley by
      8  * William Jolitz.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. Neither the name of the University nor the names of its contributors
     19  *    may be used to endorse or promote products derived from this software
     20  *    without specific prior written permission.
     21  *
     22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     32  * SUCH DAMAGE.
     33  *
     34  *	from: @(#)signal.h	8.1 (Berkeley) 6/11/93
     35  *	from: Id: signal.h,v 1.4 1994/08/21 04:55:30 paul Exp
     36  *
     37  *	from: @(#)frame.h	5.2 (Berkeley) 1/18/91
     38  *	from: Id: frame.h,v 1.10 1995/03/16 18:11:42 bde Exp
     39  */
     40 #ifndef _FREEBSD_MACHDEP_H
     41 #define _FREEBSD_MACHDEP_H
     42 
     43 #include <compat/sys/sigtypes.h>
     44 
     45 /*
     46  * signal support
     47  */
     48 
     49 struct freebsd_osigcontext {
     50 	int	sc_onstack;	/* sigstack state to restore */
     51 	sigset13_t sc_mask;	/* signal mask to restore */
     52 	int	sc_esp;		/* machine state */
     53 	int	sc_ebp;
     54 	int	sc_isp;
     55 	int	sc_eip;
     56 	int	sc_eflags;
     57 	int	sc_es;
     58 	int	sc_ds;
     59 	int	sc_cs;
     60 	int	sc_ss;
     61 	int	sc_edi;
     62 	int	sc_esi;
     63 	int	sc_ebx;
     64 	int	sc_edx;
     65 	int	sc_ecx;
     66 	int	sc_eax;
     67 };
     68 
     69 /*
     70  * The sequence of the fields/registers in struct sigcontext should match
     71  * those in mcontext_t.
     72  */
     73 struct freebsd_sigcontext {
     74 	sigset_t sc_mask;		/* signal mask to restore */
     75 	int	sc_onstack;		/* sigstack state to restore */
     76 	int	sc_gs;			/* machine state (struct trapframe): */
     77 	int	sc_fs;
     78 	int	sc_es;
     79 	int	sc_ds;
     80 	int	sc_edi;
     81 	int	sc_esi;
     82 	int	sc_ebp;
     83 	int	sc_isp;
     84 	int	sc_ebx;
     85 	int	sc_edx;
     86 	int	sc_ecx;
     87 	int	sc_eax;
     88 	int	sc_trapno;
     89 	int	sc_err;
     90 	int	sc_eip;
     91 	int	sc_cs;
     92 	int	sc_efl;
     93 	int	sc_esp;
     94 	int	sc_ss;
     95 	/*
     96 	 * XXX FPU state is 27 * 4 bytes h/w, 1 * 4 bytes s/w (probably not
     97 	 * needed here), or that + 16 * 4 bytes for emulators (probably all
     98 	 * needed here).  The "spare" bytes are mostly not spare.
     99 	 */
    100 	int	sc_fpregs[28];		/* machine state (FPU): */
    101 	int	sc_spare[17];
    102 };
    103 
    104 struct freebsd_sigframe {
    105 	int	sf_signum;
    106 	int	sf_code;
    107 	struct	freebsd_sigcontext *sf_scp;
    108 	char	*sf_addr;
    109 	sig_t	sf_handler;
    110 	struct	freebsd_sigcontext sf_sc;
    111 };
    112 
    113 void freebsd_syscall_intern(struct proc *);
    114 
    115 #endif /* _FREEBSD_MACHDEP_H */
    116