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- /* Copyright (c) 1990 UNIX System Laboratories, Inc. */
- /* Copyright (c) 1984, 1986, 1987, 1988, 1989, 1990 AT&T */
- /* All Rights Reserved */
-
- /* THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF */
- /* UNIX System Laboratories, Inc. */
- /* The copyright notice above does not evidence any */
- /* actual or intended publication of such source code. */
-
- /*
- * +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
- * PROPRIETARY NOTICE (Combined)
- *
- * This source code is unpublished proprietary information
- * constituting, or derived under license from AT&T's UNIX(r) System V.
- * In addition, portions of such source code were derived from Berkeley
- * 4.3 BSD under license from the Regents of the University of
- * California.
- *
- *
- *
- * Copyright Notice
- *
- * Notice of copyright on this source code product does not indicate
- * publication.
- *
- * (c) 1986,1987,1988,1989 Sun Microsystems, Inc
- * (c) 1983,1984,1985,1986,1987,1988,1989 AT&T.
- * All rights reserved.
- *
- */
-
- #ifndef _VM_FAULTCODE_H
- #define _VM_FAULTCODE_H
-
- #ident "@(#)/usr/include/vm/faultcode.h.sl 1.1 4.0 12/08/90 612 AT&T-USL"
-
- /*
- * This file describes the "code" that is delivered during
- * SIGBUS and SIGSEGV exceptions. It also describes the data
- * type returned by vm routines which handle faults.
- *
- * If FC_CODE(fc) == FC_OBJERR, then FC_ERRNO(fc) contains the errno value
- * returned by the underlying object mapped at the fault address.
- */
- #define FC_HWERR 0x1 /* misc hardware error (e.g. bus timeout) */
- #define FC_ALIGN 0x2 /* hardware alignment error */
- #define FC_NOMAP 0x3 /* no mapping at the fault address */
- #define FC_PROT 0x4 /* access exceeded current protections */
- #define FC_OBJERR 0x5 /* underlying object returned errno value */
-
- #define FC_MAKE_ERR(e) (((e) << 8) | FC_OBJERR)
-
- #define FC_CODE(fc) ((fc) & 0xff)
- #define FC_ERRNO(fc) ((unsigned)(fc) >> 8)
-
- #ifndef LOCORE
- typedef int faultcode_t; /* type returned by vm fault routines */
- #endif /* LOCORE */
-
- #endif /* _VM_FAULTCODE_H */
-