Home | History | Annotate | Line # | Download | only in include 
      1  1.17   reinoud /* $NetBSD: pcb.h,v 1.17 2012/01/14 17:42:51 reinoud Exp $ */
      2   1.1  jmcneill 
      3   1.1  jmcneill /*-
      4   1.1  jmcneill  * Copyright (c) 2007 Jared D. McNeill <jmcneill (at) invisible.ca>
      5   1.1  jmcneill  * All rights reserved.
      6   1.1  jmcneill  *
      7   1.1  jmcneill  * Redistribution and use in source and binary forms, with or without
      8   1.1  jmcneill  * modification, are permitted provided that the following conditions
      9   1.1  jmcneill  * are met:
     10   1.1  jmcneill  * 1. Redistributions of source code must retain the above copyright
     11   1.1  jmcneill  *    notice, this list of conditions and the following disclaimer.
     12   1.1  jmcneill  * 2. Redistributions in binary form must reproduce the above copyright
     13   1.1  jmcneill  *    notice, this list of conditions and the following disclaimer in the
     14   1.1  jmcneill  *    documentation and/or other materials provided with the distribution.
     15   1.1  jmcneill  *
     16   1.1  jmcneill  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     17   1.1  jmcneill  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     18   1.1  jmcneill  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     19   1.1  jmcneill  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     20   1.1  jmcneill  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     21   1.1  jmcneill  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     22   1.1  jmcneill  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     23   1.1  jmcneill  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     24   1.1  jmcneill  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     25   1.1  jmcneill  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     26   1.1  jmcneill  * POSSIBILITY OF SUCH DAMAGE.
     27   1.1  jmcneill  */
     28   1.1  jmcneill 
     29   1.1  jmcneill #ifndef _ARCH_USERMODE_INCLUDE_PCB_H
     30   1.1  jmcneill #define _ARCH_USERMODE_INCLUDE_PCB_H
     31   1.1  jmcneill 
     32   1.1  jmcneill #include <sys/cdefs.h>
     33   1.1  jmcneill #include <sys/ucontext.h>
     34  1.17   reinoud #include <sys/queue.h>
     35   1.1  jmcneill 
     36   1.4   reinoud 
     37  1.17   reinoud #define TRAPSTACKSIZE (USPACE -2*sizeof(ucontext_t) - 3*sizeof(register_t))
     38  1.17   reinoud struct pcb {
     39  1.17   reinoud 	ucontext_t pcb_ucp;		/* switchframe */
     40  1.17   reinoud 	ucontext_t pcb_userret_ucp;
     41  1.17   reinoud 
     42  1.17   reinoud 	uint8_t *sys_stack_top;		/* points at free point in sys_stack */
     43  1.17   reinoud 	uint8_t	 sys_stack[TRAPSTACKSIZE];
     44  1.17   reinoud 
     45  1.17   reinoud 	void	*pcb_onfault;		/* on fault handler */
     46   1.4   reinoud 
     47  1.17   reinoud 	int	 pcb_errno;		/* save/restore place */
     48   1.1  jmcneill };
     49   1.1  jmcneill 
     50   1.1  jmcneill #endif /* !_ARCH_USERMODE_INCLUDE_PCB_H */
     51