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- /*
- * Mach Operating System
- * Copyright (c) 1992,1991,1990,1989,1988 Carnegie Mellon University
- * All Rights Reserved.
- *
- * Permission to use, copy, modify and distribute this software and its
- * documentation is hereby granted, provided that both the copyright
- * notice and this permission notice appear in all copies of the
- * software, derivative works or modified versions, and any portions
- * thereof, and that both notices appear in supporting documentation.
- *
- * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
- * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
- * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
- *
- * Carnegie Mellon requests users of this software to return to
- *
- * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
- * School of Computer Science
- * Carnegie Mellon University
- * Pittsburgh PA 15213-3890
- *
- * any improvements or extensions that they make and grant Carnegie Mellon
- * the rights to redistribute these changes.
- */
- /*
- * HISTORY
- * $Log: vm_types.h,v $
- * Revision 2.5 93/01/14 17:42:21 danner
- * Cleanup.
- * [92/06/10 pds]
- * New (more) fundamental types.
- * Standardized conditional that controls multiple inclusion of
- * this file. Added MACH_MSG_TYPE_INTEGER_T.
- * [92/06/03 af]
- *
- * Revision 2.4 91/05/14 16:53:00 mrt
- * Correcting copyright
- *
- * Revision 2.3 91/02/05 17:32:34 mrt
- * Changed to new Mach copyright
- * [91/02/01 17:10:49 mrt]
- *
- * Revision 2.2 90/05/03 15:48:32 dbg
- * First checkin.
- *
- * Revision 1.3 89/03/09 20:20:12 rpd
- * More cleanup.
- *
- * Revision 1.2 89/02/26 13:01:20 gm0w
- * Changes for cleanup.
- *
- * 31-Dec-88 Robert Baron (rvb) at Carnegie-Mellon University
- * Derived from MACH2.0 vax release.
- *
- * 23-Apr-87 Michael Young (mwyoung) at Carnegie-Mellon University
- * Changed things to "unsigned int" to appease the user community :-).
- *
- */
-
- /*
- * File: vm_types.h
- * Author: Avadis Tevanian, Jr.
- * Date: 1985
- *
- * Header file for VM data types. sparc version.
- */
-
- #ifndef _MACHINE_VM_TYPES_H_
- #define _MACHINE_VM_TYPES_H_ 1
-
- #ifdef ASSEMBLER
- #else ASSEMBLER
-
- /*
- * A natural_t is the type for the native
- * integer type, e.g. 32 or 64 or.. whatever
- * register size the machine has. Unsigned, it is
- * used for entities that might be either
- * unsigned integers or pointers, and for
- * type-casting between the two.
- * For instance, the IPC system represents
- * a port in user space as an integer and
- * in kernel space as a pointer.
- */
- typedef unsigned int natural_t;
-
- /*
- * An integer_t is the signed counterpart
- * of the natural_t type. Both types are
- * only supposed to be used to define
- * other types in a machine-independent
- * way.
- */
- typedef int integer_t;
-
- /*
- * A vm_offset_t is a type-neutral pointer,
- * e.g. an offset into a virtual memory space.
- */
- typedef natural_t vm_offset_t;
-
- /*
- * A vm_size_t is the proper type for e.g.
- * expressing the difference between two
- * vm_offset_t entities.
- */
- typedef natural_t vm_size_t;
-
- #endif /* ASSEMBLER */
-
- /*
- * If composing messages by hand (please dont)
- */
-
- #define MACH_MSG_TYPE_INTEGER_T MACH_MSG_TYPE_INTEGER_32
-
- #endif /* _MACHINE_VM_TYPES_H_ */
-
-