vm.h revision 9507
1/* 2 * Copyright (c) 1991, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * @(#)vm.h 8.2 (Berkeley) 12/13/93 34 * $Id: vm.h,v 1.4 1995/01/09 16:05:37 davidg Exp $ 35 */ 36 37#ifndef VM_H 38#define VM_H 39 40typedef char vm_inherit_t; /* XXX: inheritance codes */ 41 42union vm_map_object; 43typedef union vm_map_object vm_map_object_t; 44 45struct vm_map_entry; 46typedef struct vm_map_entry *vm_map_entry_t; 47 48struct vm_map; 49typedef struct vm_map *vm_map_t; 50 51struct vm_object; 52typedef struct vm_object *vm_object_t; 53 54struct vm_page; 55typedef struct vm_page *vm_page_t; 56 57#include <sys/vmmeter.h> 58#include <sys/queue.h> 59#include <machine/cpufunc.h> 60#include <vm/vm_param.h> 61#include <vm/lock.h> 62#include <vm/vm_prot.h> 63#include <vm/vm_inherit.h> 64#include <vm/vm_map.h> 65#include <vm/vm_object.h> 66#include <vm/pmap.h> 67#include <vm/vm_extern.h> 68 69/* 70 * Shareable process virtual address space. 71 * May eventually be merged with vm_map. 72 * Several fields are temporary (text, data stuff). 73 */ 74struct vmspace { 75 struct vm_map vm_map; /* VM address map */ 76 struct pmap vm_pmap; /* private physical map */ 77 int vm_refcnt; /* number of references */ 78 caddr_t vm_shm; /* SYS5 shared memory private data XXX */ 79/* we copy from vm_startcopy to the end of the structure on fork */ 80#define vm_startcopy vm_rssize 81 segsz_t vm_rssize; /* current resident set size in pages */ 82 segsz_t vm_swrss; /* resident set size before last swap */ 83 segsz_t vm_tsize; /* text size (pages) XXX */ 84 segsz_t vm_dsize; /* data size (pages) XXX */ 85 segsz_t vm_ssize; /* stack size (pages) */ 86 caddr_t vm_taddr; /* user virtual address of text XXX */ 87 caddr_t vm_daddr; /* user virtual address of data XXX */ 88 caddr_t vm_maxsaddr; /* user VA at max stack growth */ 89 caddr_t vm_minsaddr; /* user VA at max stack growth */ 90}; 91 92#endif /* VM_H */ 93