gems-kernel/source/THIRDPARTY/xnu/bsd/sys/vm.h
2024-06-03 11:29:39 -05:00

162 lines
6.6 KiB
C

/*
* 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 */
#include <sys/_types/_caddr_t.h> /* caddr_t */
#include <sys/_types/_int32_t.h> /* int32_t */
/* 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 */