Home | History | Annotate | Line # | Download | only in include 
      1 /*	$NetBSD: pcb.h,v 1.11 2023/09/26 14:33:55 tsutsui Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1988 University of Utah.
      5  * Copyright (c) 1982, 1986, 1990, 1993
      6  *	The Regents of the University of California.  All rights reserved.
      7  *
      8  * This code is derived from software contributed to Berkeley by
      9  * the Systems Programming Group of the University of Utah Computer
     10  * Science Department.
     11  *
     12  * Redistribution and use in source and binary forms, with or without
     13  * modification, are permitted provided that the following conditions
     14  * are met:
     15  * 1. Redistributions of source code must retain the above copyright
     16  *    notice, this list of conditions and the following disclaimer.
     17  * 2. Redistributions in binary form must reproduce the above copyright
     18  *    notice, this list of conditions and the following disclaimer in the
     19  *    documentation and/or other materials provided with the distribution.
     20  * 3. Neither the name of the University nor the names of its contributors
     21  *    may be used to endorse or promote products derived from this software
     22  *    without specific prior written permission.
     23  *
     24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     34  * SUCH DAMAGE.
     35  *
     36  * from: Utah $Hdr: pcb.h 1.14 91/03/25$
     37  *
     38  *	@(#)pcb.h	8.1 (Berkeley) 6/10/93
     39  */
     40 
     41 #ifndef _M68K_PCB_H_
     42 #define _M68K_PCB_H_
     43 
     44 #include <machine/frame.h>
     45 #include <machine/reg.h>
     46 
     47 /*
     48  * m68k process control block
     49  */
     50 struct pcb {
     51 	short	pcb_flags;	/* misc. process flags */
     52 	short	pcb_ps;		/* processor status word */
     53 	int	__pcb_spare0;
     54 	int	pcb_usp;	/* user stack pointer */
     55 	int	pcb_regs[12];	/* D2-D7, A2-A7 */
     56 	void *	pcb_onfault;	/* for copyin/out faults */
     57 	struct	fpframe pcb_fpregs; /* 68881/2 context save area */
     58 };
     59 
     60 /* Positions within pcb_regs[] of A6 and A7 (FP and SP). For m68k DDB. */
     61 #define PCB_REGS_FP	10
     62 #define PCB_REGS_SP	11
     63 
     64 /*
     65  * The pcb is augmented with machine-dependent additional data for
     66  * core dumps. For the hp300, this includes an HP-UX exec header
     67  * which is dumped for HP-UX processes.
     68  */
     69 struct md_coredump {
     70 	int	md_exec[16];	/* exec structure for HP-UX core dumps */
     71 };
     72 
     73 extern struct pcb *curpcb;
     74 
     75 #endif /* _M68K_PCB_H_ */
     76