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pcb.h revision 1.4 
      1 /*
      2  * Copyright (c) 1993 Adam Glass
      3  * Copyright (c) 1988 University of Utah.
      4  * Copyright (c) 1982, 1986, 1990 The Regents of the University of California.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to Berkeley by
      8  * the Systems Programming Group of the University of Utah Computer
      9  * Science Department.
     10  *
     11  * Redistribution and use in source and binary forms, with or without
     12  * modification, are permitted provided that the following conditions
     13  * are met:
     14  * 1. Redistributions of source code must retain the above copyright
     15  *    notice, this list of conditions and the following disclaimer.
     16  * 2. Redistributions in binary form must reproduce the above copyright
     17  *    notice, this list of conditions and the following disclaimer in the
     18  *    documentation and/or other materials provided with the distribution.
     19  * 3. All advertising materials mentioning features or use of this software
     20  *    must display the following acknowledgement:
     21  *	This product includes software developed by the University of
     22  *	California, Berkeley and its contributors.
     23  * 4. Neither the name of the University nor the names of its contributors
     24  *    may be used to endorse or promote products derived from this software
     25  *    without specific prior written permission.
     26  *
     27  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     28  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     29  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     30  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     31  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     32  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     33  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     34  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     35  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     36  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     37  * SUCH DAMAGE.
     38  *
     39  * from: Utah $Hdr: pcb.h 1.13 89/04/23$
     40  *
     41  *	from: @(#)pcb.h	7.4 (Berkeley) 5/4/91
     42  *	pcb.h,v 1.2 1993/05/22 07:58:27 cgd Exp
     43  */
     44 
     45 #include <machine/frame.h>
     46 
     47 /*
     48  * Sun3 (close to but not exactly the same as the hp300) process control block
     49  */
     50 struct pcb
     51 {
     52 	short	pcb_flags;	/* misc. process flags (+0) */
     53 	short	pcb_ps; 	/* processor status word (+2) */
     54 	int	pcb_ustp;	/* user segment table pointer (+4) (not used)*/
     55 	int	pcb_usp;	/* user stack pointer (+8) */
     56 	int	pcb_regs[12];	/* D2-D7, A2-A7 (+C) */
     57 	vm_offset_t pcb_upte[3]; /* ptes for u-area */
     58 	caddr_t	pcb_onfault;	/* for copyin/out faults */
     59 	struct	fpframe pcb_fpregs; /* 68881/2 context save area */
     60 	int	pcb_exec[16];	/* exec structure for core dumps */
     61 };
     62 
     63 /* flags */
     64 
     65 #define PCB_HPUXMMAP	0x0010	/* VA space is multiple mapped */
     66 #define PCB_HPUXTRACE	0x0020	/* being traced by an HPUX process */
     67 #define PCB_HPUXBIN	0x0040	/* loaded from an HPUX format binary */
     68 				/* note: does NOT imply SHPUX */
     69