10Sstevel@tonic-gate /* 20Sstevel@tonic-gate * CDDL HEADER START 30Sstevel@tonic-gate * 40Sstevel@tonic-gate * The contents of this file are subject to the terms of the 50Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 60Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 70Sstevel@tonic-gate * with the License. 80Sstevel@tonic-gate * 90Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 100Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 110Sstevel@tonic-gate * See the License for the specific language governing permissions 120Sstevel@tonic-gate * and limitations under the License. 130Sstevel@tonic-gate * 140Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 150Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 160Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 170Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 180Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 190Sstevel@tonic-gate * 200Sstevel@tonic-gate * CDDL HEADER END 210Sstevel@tonic-gate */ 220Sstevel@tonic-gate /* 23*722Smuffin * Copyright 1987 Sun Microsystems, Inc. All rights reserved. 24*722Smuffin * Use is subject to license terms. 250Sstevel@tonic-gate */ 260Sstevel@tonic-gate 270Sstevel@tonic-gate #ifndef _vm_faultcode_h 280Sstevel@tonic-gate #define _vm_faultcode_h 290Sstevel@tonic-gate 30*722Smuffin #pragma ident "%Z%%M% %I% %E% SMI" 31*722Smuffin 320Sstevel@tonic-gate /* 330Sstevel@tonic-gate * This file describes the "code" that is delivered during 340Sstevel@tonic-gate * SIGBUS and SIGSEGV exceptions. It also describes the data 350Sstevel@tonic-gate * type returned by vm routines which handle faults. 360Sstevel@tonic-gate * 370Sstevel@tonic-gate * If FC_CODE(fc) == FC_OBJERR, then FC_ERRNO(fc) contains the errno value 380Sstevel@tonic-gate * returned by the underlying object mapped at the fault address. 390Sstevel@tonic-gate */ 400Sstevel@tonic-gate #define FC_HWERR 0x1 /* misc hardware error (e.g. bus timeout) */ 410Sstevel@tonic-gate #define FC_ALIGN 0x2 /* hardware alignment error */ 420Sstevel@tonic-gate #define FC_NOMAP 0x3 /* no mapping at the fault address */ 430Sstevel@tonic-gate #define FC_PROT 0x4 /* access exceeded current protections */ 440Sstevel@tonic-gate #define FC_OBJERR 0x5 /* underlying object returned errno value */ 450Sstevel@tonic-gate 460Sstevel@tonic-gate #define FC_MAKE_ERR(e) (((e) << 8) | FC_OBJERR) 470Sstevel@tonic-gate 480Sstevel@tonic-gate #define FC_CODE(fc) ((fc) & 0xff) 490Sstevel@tonic-gate #define FC_ERRNO(fc) ((unsigned)(fc) >> 8) 500Sstevel@tonic-gate 510Sstevel@tonic-gate #ifndef LOCORE 520Sstevel@tonic-gate typedef int faultcode_t; /* type returned by vm fault routines */ 53*722Smuffin #endif /* LOCORE */ 540Sstevel@tonic-gate 55*722Smuffin #endif /* !_vm_faultcode_h */ 56