[apple/xnu.git] / bsd / sys / vm.h

/*
 * Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
 * 
 * This file contains Original Code and/or Modifications of Original Code
 * as defined in and that are subject to the Apple Public Source License
 * Version 2.0 (the 'License'). You may not use this file except in
 * compliance with the License. The rights granted to you under the License
 * may not be used to create, or enable the creation or redistribution of,
 * unlawful or unlicensed copies of an Apple operating system, or to
 * circumvent, violate, or enable the circumvention or violation of, any
 * terms of an Apple operating system software license agreement.
 * 
 * Please obtain a copy of the License at
 * http://www.opensource.apple.com/apsl/ and read it before using this file.
 * 
 * The Original Code and all software distributed under the License are
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
 * Please see the License for the specific language governing rights and
 * limitations under the License.
 * 
 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
 */
/* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
/*
 * 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	8.5 (Berkeley) 5/11/95
 */
/* HISTORY
 *  05-Jun-95  Mac Gillon (mgillon) at NeXT
 * 	4.4 code uses this file to import MACH API
 */

#ifndef _SYS_VM_H
#define _SYS_VM_H

#include <sys/appleapiopts.h>
#include <sys/cdefs.h>

#ifdef BSD_KERNEL_PRIVATE

/* Machine specific config stuff */
#if	defined(KERNEL) && !defined(MACH_USER_API)	
#include <sys/vmmeter.h>
#include <sys/queue.h>
#include <mach/vm_param.h>
#endif

/*
 * Shareable process virtual address space.
 * May eventually be merged with vm_map.
 * Several fields are temporary (text, data stuff).
 */
struct vmspace {
	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 */
};

#ifdef KERNEL
/* LP64 version of vmspace.  all pointers 
 * grow when we're dealing with a 64-bit process.
 * WARNING - keep in sync with vmspace
 */

struct user32_vmspace {
	int     	vm_refcnt;      /* number of references */
	uint32_t	vm_shm;			/* SYS5 shared memory private data XXX */
	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) */
	uint32_t	vm_taddr;       /* user virtual address of text XXX */
	uint32_t	vm_daddr;       /* user virtual address of data XXX */
	uint32_t vm_maxsaddr; 	/* user VA at max stack growth */
};
struct user_vmspace {
	int     	vm_refcnt;      /* number of references */
	user_addr_t	vm_shm __attribute((aligned(8)));			/* SYS5 shared memory private data XXX */
	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) */
	user_addr_t	vm_taddr __attribute((aligned(8)));       /* user virtual address of text XXX */
	user_addr_t	vm_daddr;       /* user virtual address of data XXX */
	user_addr_t vm_maxsaddr; 	/* user VA at max stack growth */
};

#endif /* KERNEL */

#include <kern/thread.h>

#else /* BSD_KERNEL_PRIVATE */
/* just to keep kinfo_proc happy */
/* NOTE: Pointer fields are size variant for LP64 */
struct vmspace {
	int32_t	dummy;
	caddr_t	dummy2;
	int32_t	dummy3[5];
	caddr_t	dummy4[3];
};

#endif /* BSD_KERNEL_PRIVATE */

#ifdef KERNEL

__BEGIN_DECLS
struct proc *current_proc(void);
__END_DECLS

#endif /* KERNEL */

#endif /* _SYS_VM_H */
Commit	Line	Data
1c79356b	1	/*
2d21ac55	2	* Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved.
5d5c5d0d	3	*
2d21ac55	4	* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
1c79356b	5	*
2d21ac55 A	6	* This file contains Original Code and/or Modifications of Original Code
	7	* as defined in and that are subject to the Apple Public Source License
	8	* Version 2.0 (the 'License'). You may not use this file except in
	9	* compliance with the License. The rights granted to you under the License
	10	* may not be used to create, or enable the creation or redistribution of,
	11	* unlawful or unlicensed copies of an Apple operating system, or to
	12	* circumvent, violate, or enable the circumvention or violation of, any
	13	* terms of an Apple operating system software license agreement.
8f6c56a5	14	*
2d21ac55 A	15	* Please obtain a copy of the License at
	16	* http://www.opensource.apple.com/apsl/ and read it before using this file.
	17	*
	18	* The Original Code and all software distributed under the License are
	19	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
8f6c56a5 A	20	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
8f6c56a5 A	21	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
2d21ac55 A	22	* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
	23	* Please see the License for the specific language governing rights and
	24	* limitations under the License.
8f6c56a5	25	*
2d21ac55	26	* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
1c79356b A	27	*/
	28	/* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
	29	/*
	30	* Copyright (c) 1991, 1993
	31	* The Regents of the University of California. All rights reserved.
	32	*
	33	* Redistribution and use in source and binary forms, with or without
	34	* modification, are permitted provided that the following conditions
	35	* are met:
	36	* 1. Redistributions of source code must retain the above copyright
	37	* notice, this list of conditions and the following disclaimer.
	38	* 2. Redistributions in binary form must reproduce the above copyright
	39	* notice, this list of conditions and the following disclaimer in the
	40	* documentation and/or other materials provided with the distribution.
	41	* 3. All advertising materials mentioning features or use of this software
	42	* must display the following acknowledgement:
	43	* This product includes software developed by the University of
	44	* California, Berkeley and its contributors.
	45	* 4. Neither the name of the University nor the names of its contributors
	46	* may be used to endorse or promote products derived from this software
	47	* without specific prior written permission.
	48	*
	49	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	50	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	51	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	52	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	53	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	54	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	55	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	56	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	57	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	58	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	59	* SUCH DAMAGE.
	60	*
	61	* @(#)vm.h 8.5 (Berkeley) 5/11/95
	62	*/
	63	/* HISTORY
	64	* 05-Jun-95 Mac Gillon (mgillon) at NeXT
	65	* 4.4 code uses this file to import MACH API
	66	*/
	67
	68	#ifndef _SYS_VM_H
	69	#define _SYS_VM_H
	70
9bccf70c	71	#include <sys/appleapiopts.h>
91447636 A	72	#include <sys/cdefs.h>
	73
	74	#ifdef BSD_KERNEL_PRIVATE
9bccf70c	75
1c79356b A	76	/* Machine specific config stuff */
	77	#if defined(KERNEL) && !defined(MACH_USER_API)
	78	#include <sys/vmmeter.h>
	79	#include <sys/queue.h>
	80	#include <mach/vm_param.h>
	81	#endif
	82
	83	/*
	84	* Shareable process virtual address space.
	85	* May eventually be merged with vm_map.
	86	* Several fields are temporary (text, data stuff).
	87	*/
	88	struct vmspace {
	89	int vm_refcnt; /* number of references */
	90	caddr_t vm_shm; /* SYS5 shared memory private data XXX */
	91	/* we copy from vm_startcopy to the end of the structure on fork */
	92	#define vm_startcopy vm_rssize
	93	segsz_t vm_rssize; /* current resident set size in pages */
	94	segsz_t vm_swrss; /* resident set size before last swap */
	95	segsz_t vm_tsize; /* text size (pages) XXX */
	96	segsz_t vm_dsize; /* data size (pages) XXX */
	97	segsz_t vm_ssize; /* stack size (pages) */
	98	caddr_t vm_taddr; /* user virtual address of text XXX */
	99	caddr_t vm_daddr; /* user virtual address of data XXX */
	100	caddr_t vm_maxsaddr; /* user VA at max stack growth */
	101	};
	102
91447636	103	#ifdef KERNEL
91447636 A	104	/* LP64 version of vmspace. all pointers
	105	* grow when we're dealing with a 64-bit process.
	106	* WARNING - keep in sync with vmspace
	107	*/
	108
b0d623f7 A	109	struct user32_vmspace {
	110	int vm_refcnt; /* number of references */
	111	uint32_t vm_shm; /* SYS5 shared memory private data XXX */
	112	segsz_t vm_rssize; /* current resident set size in pages */
	113	segsz_t vm_swrss; /* resident set size before last swap */
	114	segsz_t vm_tsize; /* text size (pages) XXX */
	115	segsz_t vm_dsize; /* data size (pages) XXX */
	116	segsz_t vm_ssize; /* stack size (pages) */
	117	uint32_t vm_taddr; /* user virtual address of text XXX */
	118	uint32_t vm_daddr; /* user virtual address of data XXX */
	119	uint32_t vm_maxsaddr; /* user VA at max stack growth */
	120	};
91447636 A	121	struct user_vmspace {
91447636 A	122	int vm_refcnt; /* number of references */
0c530ab8	123	user_addr_t vm_shm __attribute((aligned(8))); /* SYS5 shared memory private data XXX */
91447636 A	124	segsz_t vm_rssize; /* current resident set size in pages */
	125	segsz_t vm_swrss; /* resident set size before last swap */
	126	segsz_t vm_tsize; /* text size (pages) XXX */
	127	segsz_t vm_dsize; /* data size (pages) XXX */
	128	segsz_t vm_ssize; /* stack size (pages) */
0c530ab8	129	user_addr_t vm_taddr __attribute((aligned(8))); /* user virtual address of text XXX */
91447636 A	130	user_addr_t vm_daddr; /* user virtual address of data XXX */
	131	user_addr_t vm_maxsaddr; /* user VA at max stack growth */
	132	};
	133
91447636 A	134	#endif /* KERNEL */
	135
	136	#include <kern/thread.h>
	137
	138	#else /* BSD_KERNEL_PRIVATE */
9bccf70c	139	/* just to keep kinfo_proc happy */
91447636	140	/* NOTE: Pointer fields are size variant for LP64 */
9bccf70c	141	struct vmspace {
91447636 A	142	int32_t dummy;
	143	caddr_t dummy2;
	144	int32_t dummy3[5];
	145	caddr_t dummy4[3];
9bccf70c	146	};
9bccf70c	147
91447636	148	#endif /* BSD_KERNEL_PRIVATE */
1c79356b	149
91447636	150	#ifdef KERNEL
1c79356b	151
91447636	152	__BEGIN_DECLS
1c79356b	153	struct proc *current_proc(void);
91447636	154	__END_DECLS
1c79356b A	155
	156	#endif /* KERNEL */
	157
	158	#endif /* _SYS_VM_H */