1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 23*0Sstevel@tonic-gate 24*0Sstevel@tonic-gate /* 25*0Sstevel@tonic-gate * Copyright (c) 1987 by Sun Microsystems, Inc. 26*0Sstevel@tonic-gate */ 27*0Sstevel@tonic-gate 28*0Sstevel@tonic-gate #ifndef _vm_faultcode_h 29*0Sstevel@tonic-gate #define _vm_faultcode_h 30*0Sstevel@tonic-gate 31*0Sstevel@tonic-gate /* 32*0Sstevel@tonic-gate * This file describes the "code" that is delivered during 33*0Sstevel@tonic-gate * SIGBUS and SIGSEGV exceptions. It also describes the data 34*0Sstevel@tonic-gate * type returned by vm routines which handle faults. 35*0Sstevel@tonic-gate * 36*0Sstevel@tonic-gate * If FC_CODE(fc) == FC_OBJERR, then FC_ERRNO(fc) contains the errno value 37*0Sstevel@tonic-gate * returned by the underlying object mapped at the fault address. 38*0Sstevel@tonic-gate */ 39*0Sstevel@tonic-gate #define FC_HWERR 0x1 /* misc hardware error (e.g. bus timeout) */ 40*0Sstevel@tonic-gate #define FC_ALIGN 0x2 /* hardware alignment error */ 41*0Sstevel@tonic-gate #define FC_NOMAP 0x3 /* no mapping at the fault address */ 42*0Sstevel@tonic-gate #define FC_PROT 0x4 /* access exceeded current protections */ 43*0Sstevel@tonic-gate #define FC_OBJERR 0x5 /* underlying object returned errno value */ 44*0Sstevel@tonic-gate 45*0Sstevel@tonic-gate #define FC_MAKE_ERR(e) (((e) << 8) | FC_OBJERR) 46*0Sstevel@tonic-gate 47*0Sstevel@tonic-gate #define FC_CODE(fc) ((fc) & 0xff) 48*0Sstevel@tonic-gate #define FC_ERRNO(fc) ((unsigned)(fc) >> 8) 49*0Sstevel@tonic-gate 50*0Sstevel@tonic-gate #ifndef LOCORE 51*0Sstevel@tonic-gate typedef int faultcode_t; /* type returned by vm fault routines */ 52*0Sstevel@tonic-gate #endif LOCORE 53*0Sstevel@tonic-gate 54*0Sstevel@tonic-gate #endif /*!_vm_faultcode_h*/ 55