1e12e63a7Smckusick /* 2*69dd407eSbostic * Copyright (c) 1991, 1993 3*69dd407eSbostic * The Regents of the University of California. All rights reserved. 4e12e63a7Smckusick * 5e12e63a7Smckusick * This code is derived from software contributed to Berkeley by 6e12e63a7Smckusick * The Mach Operating System project at Carnegie-Mellon University. 7e12e63a7Smckusick * 806adbb7eSmckusick * %sccs.include.redist.c% 9e12e63a7Smckusick * 10*69dd407eSbostic * @(#)vm_prot.h 8.1 (Berkeley) 06/11/93 1106adbb7eSmckusick * 1206adbb7eSmckusick * 1306adbb7eSmckusick * Copyright (c) 1987, 1990 Carnegie-Mellon University. 1406adbb7eSmckusick * All rights reserved. 1506adbb7eSmckusick * 1606adbb7eSmckusick * Authors: Avadis Tevanian, Jr., Michael Wayne Young 1706adbb7eSmckusick * 1806adbb7eSmckusick * Permission to use, copy, modify and distribute this software and 1906adbb7eSmckusick * its documentation is hereby granted, provided that both the copyright 2006adbb7eSmckusick * notice and this permission notice appear in all copies of the 2106adbb7eSmckusick * software, derivative works or modified versions, and any portions 2206adbb7eSmckusick * thereof, and that both notices appear in supporting documentation. 2306adbb7eSmckusick * 2406adbb7eSmckusick * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 2506adbb7eSmckusick * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 2606adbb7eSmckusick * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 2706adbb7eSmckusick * 2806adbb7eSmckusick * Carnegie Mellon requests users of this software to return to 2906adbb7eSmckusick * 3006adbb7eSmckusick * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU 3106adbb7eSmckusick * School of Computer Science 3206adbb7eSmckusick * Carnegie Mellon University 3306adbb7eSmckusick * Pittsburgh PA 15213-3890 3406adbb7eSmckusick * 3506adbb7eSmckusick * any improvements or extensions that they make and grant Carnegie the 3606adbb7eSmckusick * rights to redistribute these changes. 37e12e63a7Smckusick */ 38e12e63a7Smckusick 39e12e63a7Smckusick /* 40e12e63a7Smckusick * Virtual memory protection definitions. 41e12e63a7Smckusick */ 42e12e63a7Smckusick 43e12e63a7Smckusick #ifndef _VM_PROT_ 44e12e63a7Smckusick #define _VM_PROT_ 45e12e63a7Smckusick 46e12e63a7Smckusick /* 47e12e63a7Smckusick * Types defined: 48e12e63a7Smckusick * 49e12e63a7Smckusick * vm_prot_t VM protection values. 50e12e63a7Smckusick */ 51e12e63a7Smckusick 52e12e63a7Smckusick typedef int vm_prot_t; 53e12e63a7Smckusick 54e12e63a7Smckusick /* 55e12e63a7Smckusick * Protection values, defined as bits within the vm_prot_t type 56e12e63a7Smckusick */ 57e12e63a7Smckusick 58e12e63a7Smckusick #define VM_PROT_NONE ((vm_prot_t) 0x00) 59e12e63a7Smckusick 60e12e63a7Smckusick #define VM_PROT_READ ((vm_prot_t) 0x01) /* read permission */ 61e12e63a7Smckusick #define VM_PROT_WRITE ((vm_prot_t) 0x02) /* write permission */ 62e12e63a7Smckusick #define VM_PROT_EXECUTE ((vm_prot_t) 0x04) /* execute permission */ 63e12e63a7Smckusick 64e12e63a7Smckusick /* 65e12e63a7Smckusick * The default protection for newly-created virtual memory 66e12e63a7Smckusick */ 67e12e63a7Smckusick 68e12e63a7Smckusick #define VM_PROT_DEFAULT (VM_PROT_READ|VM_PROT_WRITE|VM_PROT_EXECUTE) 69e12e63a7Smckusick 70e12e63a7Smckusick /* 71e12e63a7Smckusick * The maximum privileges possible, for parameter checking. 72e12e63a7Smckusick */ 73e12e63a7Smckusick 74e12e63a7Smckusick #define VM_PROT_ALL (VM_PROT_READ|VM_PROT_WRITE|VM_PROT_EXECUTE) 75e12e63a7Smckusick 7638344c3dStorek #endif /* _VM_PROT_ */ 77