17c478bd9Sstevel@tonic-gate /* 27c478bd9Sstevel@tonic-gate * CDDL HEADER START 37c478bd9Sstevel@tonic-gate * 47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 57c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 67c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 77c478bd9Sstevel@tonic-gate * with the License. 87c478bd9Sstevel@tonic-gate * 97c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 107c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 117c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 127c478bd9Sstevel@tonic-gate * and limitations under the License. 137c478bd9Sstevel@tonic-gate * 147c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 157c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 167c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 177c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 187c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 197c478bd9Sstevel@tonic-gate * 207c478bd9Sstevel@tonic-gate * CDDL HEADER END 217c478bd9Sstevel@tonic-gate */ 227c478bd9Sstevel@tonic-gate /* 23*5d54f3d8Smuffin * Copyright 1987 Sun Microsystems, Inc. All rights reserved. 24*5d54f3d8Smuffin * Use is subject to license terms. 257c478bd9Sstevel@tonic-gate */ 267c478bd9Sstevel@tonic-gate 277c478bd9Sstevel@tonic-gate #ifndef _vm_faultcode_h 287c478bd9Sstevel@tonic-gate #define _vm_faultcode_h 297c478bd9Sstevel@tonic-gate 30*5d54f3d8Smuffin #pragma ident "%Z%%M% %I% %E% SMI" 31*5d54f3d8Smuffin 327c478bd9Sstevel@tonic-gate /* 337c478bd9Sstevel@tonic-gate * This file describes the "code" that is delivered during 347c478bd9Sstevel@tonic-gate * SIGBUS and SIGSEGV exceptions. It also describes the data 357c478bd9Sstevel@tonic-gate * type returned by vm routines which handle faults. 367c478bd9Sstevel@tonic-gate * 377c478bd9Sstevel@tonic-gate * If FC_CODE(fc) == FC_OBJERR, then FC_ERRNO(fc) contains the errno value 387c478bd9Sstevel@tonic-gate * returned by the underlying object mapped at the fault address. 397c478bd9Sstevel@tonic-gate */ 407c478bd9Sstevel@tonic-gate #define FC_HWERR 0x1 /* misc hardware error (e.g. bus timeout) */ 417c478bd9Sstevel@tonic-gate #define FC_ALIGN 0x2 /* hardware alignment error */ 427c478bd9Sstevel@tonic-gate #define FC_NOMAP 0x3 /* no mapping at the fault address */ 437c478bd9Sstevel@tonic-gate #define FC_PROT 0x4 /* access exceeded current protections */ 447c478bd9Sstevel@tonic-gate #define FC_OBJERR 0x5 /* underlying object returned errno value */ 457c478bd9Sstevel@tonic-gate 467c478bd9Sstevel@tonic-gate #define FC_MAKE_ERR(e) (((e) << 8) | FC_OBJERR) 477c478bd9Sstevel@tonic-gate 487c478bd9Sstevel@tonic-gate #define FC_CODE(fc) ((fc) & 0xff) 497c478bd9Sstevel@tonic-gate #define FC_ERRNO(fc) ((unsigned)(fc) >> 8) 507c478bd9Sstevel@tonic-gate 517c478bd9Sstevel@tonic-gate #ifndef LOCORE 527c478bd9Sstevel@tonic-gate typedef int faultcode_t; /* type returned by vm fault routines */ 53*5d54f3d8Smuffin #endif /* LOCORE */ 547c478bd9Sstevel@tonic-gate 557c478bd9Sstevel@tonic-gate #endif /* !_vm_faultcode_h */ 56