1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 #include <libdisasm.h> 30 #include <stdlib.h> 31 #ifdef DIS_STANDALONE 32 #include <mdb/mdb_modapi.h> 33 #endif 34 35 static int _dis_errno; 36 37 /* 38 * For the standalone library, we need to link against mdb's malloc/free. 39 * Otherwise, use the standard malloc/free. 40 */ 41 #ifdef DIS_STANDALONE 42 void * 43 dis_zalloc(size_t bytes) 44 { 45 return (mdb_zalloc(bytes, UM_SLEEP)); 46 } 47 48 void 49 dis_free(void *ptr, size_t bytes) 50 { 51 mdb_free(ptr, bytes); 52 } 53 #else 54 void * 55 dis_zalloc(size_t bytes) 56 { 57 return (calloc(1, bytes)); 58 } 59 60 /*ARGSUSED*/ 61 void 62 dis_free(void *ptr, size_t bytes) 63 { 64 free(ptr); 65 } 66 #endif 67 68 int 69 dis_seterrno(int error) 70 { 71 _dis_errno = error; 72 return (-1); 73 } 74 75 int 76 dis_errno(void) 77 { 78 return (_dis_errno); 79 } 80 81 const char * 82 dis_strerror(int error) 83 { 84 switch (error) { 85 case E_DIS_NOMEM: 86 return ("out of memory"); 87 case E_DIS_INVALFLAG: 88 return ("invalid flags for this architecture"); 89 default: 90 return ("unknown error"); 91 } 92 } 93