94 lines
3.4 KiB
C
94 lines
3.4 KiB
C
/* $NetBSD: vm.h,v 1.13 1994/06/29 06:47:52 cgd Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1991, 1993
|
|
* The Regents of the University of California. All rights reserved.
|
|
*
|
|
* 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.
|
|
*
|
|
* @(#)vm.h 8.2 (Berkeley) 12/13/93
|
|
*/
|
|
|
|
#ifndef VM_H
|
|
#define VM_H
|
|
|
|
typedef int vm_inherit_t; /* XXX: inheritance codes */
|
|
|
|
union vm_map_object;
|
|
typedef union vm_map_object vm_map_object_t;
|
|
|
|
struct vm_map_entry;
|
|
typedef struct vm_map_entry *vm_map_entry_t;
|
|
|
|
struct vm_map;
|
|
typedef struct vm_map *vm_map_t;
|
|
|
|
struct vm_object;
|
|
typedef struct vm_object *vm_object_t;
|
|
|
|
struct vm_page;
|
|
typedef struct vm_page *vm_page_t;
|
|
|
|
struct pager_struct;
|
|
typedef struct pager_struct *vm_pager_t;
|
|
|
|
#include <sys/vmmeter.h>
|
|
#include <sys/queue.h>
|
|
#include <vm/vm_param.h>
|
|
#include <vm/lock.h>
|
|
#include <vm/vm_prot.h>
|
|
#include <vm/vm_inherit.h>
|
|
#include <vm/vm_map.h>
|
|
#include <vm/vm_object.h>
|
|
#include <vm/pmap.h>
|
|
#include <vm/vm_extern.h>
|
|
|
|
/*
|
|
* Shareable process virtual address space.
|
|
* May eventually be merged with vm_map.
|
|
* Several fields are temporary (text, data stuff).
|
|
*/
|
|
struct vmspace {
|
|
struct vm_map vm_map; /* VM address map */
|
|
struct pmap vm_pmap; /* private physical map */
|
|
int vm_refcnt; /* number of references */
|
|
caddr_t vm_shm; /* SYS5 shared memory private data XXX */
|
|
/* we copy from vm_startcopy to the end of the structure on fork */
|
|
#define vm_startcopy vm_rssize
|
|
segsz_t vm_rssize; /* current resident set size in pages */
|
|
segsz_t vm_swrss; /* resident set size before last swap */
|
|
segsz_t vm_tsize; /* text size (pages) XXX */
|
|
segsz_t vm_dsize; /* data size (pages) XXX */
|
|
segsz_t vm_ssize; /* stack size (pages) */
|
|
caddr_t vm_taddr; /* user virtual address of text XXX */
|
|
caddr_t vm_daddr; /* user virtual address of data XXX */
|
|
caddr_t vm_maxsaddr; /* user VA at max stack growth */
|
|
};
|
|
#endif /* VM_H */
|