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 <dtrace_jni.h> 30 31 /* 32 * This file creates instances of the Java class 33 * org.opensolaris.os.dtrace.InterfaceAttributes. 34 */ 35 36 static const char * 37 dtj_stability_name(dtrace_stability_t stability) 38 { 39 const char *name; 40 switch (stability) { 41 case DTRACE_STABILITY_INTERNAL: 42 name = "INTERNAL"; 43 break; 44 case DTRACE_STABILITY_PRIVATE: 45 name = "PRIVATE"; 46 break; 47 case DTRACE_STABILITY_OBSOLETE: 48 name = "OBSOLETE"; 49 break; 50 case DTRACE_STABILITY_EXTERNAL: 51 name = "EXTERNAL"; 52 break; 53 case DTRACE_STABILITY_UNSTABLE: 54 name = "UNSTABLE"; 55 break; 56 case DTRACE_STABILITY_EVOLVING: 57 name = "EVOLVING"; 58 break; 59 case DTRACE_STABILITY_STABLE: 60 name = "STABLE"; 61 break; 62 case DTRACE_STABILITY_STANDARD: 63 name = "STANDARD"; 64 break; 65 default: 66 name = NULL; 67 } 68 69 return (name); 70 } 71 72 static const char * 73 dtj_dependency_class_name(dtrace_class_t class) 74 { 75 const char *name; 76 switch (class) { 77 case DTRACE_CLASS_UNKNOWN: 78 name = "UNKNOWN"; 79 break; 80 case DTRACE_CLASS_CPU: 81 name = "CPU"; 82 break; 83 case DTRACE_CLASS_PLATFORM: 84 name = "PLATFORM"; 85 break; 86 case DTRACE_CLASS_GROUP: 87 name = "GROUP"; 88 break; 89 case DTRACE_CLASS_ISA: 90 name = "ISA"; 91 break; 92 case DTRACE_CLASS_COMMON: 93 name = "COMMON"; 94 break; 95 default: 96 name = NULL; 97 } 98 99 return (name); 100 } 101 102 jobject 103 dtj_new_attribute(dtj_java_consumer_t *jc, const dtrace_attribute_t *attr) 104 { 105 JNIEnv *jenv = jc->dtjj_jenv; 106 107 const char *name; 108 109 jstring jname = NULL; 110 jobject jattr = NULL; /* return value */ 111 112 jattr = (*jenv)->NewObject(jenv, g_attr_jc, g_attrinit_jm); 113 if ((*jenv)->ExceptionCheck(jenv)) { 114 return (NULL); 115 } 116 117 /* name stability */ 118 name = dtj_stability_name(attr->dtat_name); 119 if (!name) { 120 dtj_throw_illegal_argument(jenv, 121 "unexpected name stability value: %d", 122 attr->dtat_name); 123 (*jenv)->DeleteLocalRef(jenv, jattr); 124 return (NULL); 125 } 126 jname = (*jenv)->NewStringUTF(jenv, name); 127 if ((*jenv)->ExceptionCheck(jenv)) { 128 (*jenv)->DeleteLocalRef(jenv, jattr); 129 return (NULL); 130 } 131 (*jenv)->CallVoidMethod(jenv, jattr, g_attrset_name_jm, jname); 132 (*jenv)->DeleteLocalRef(jenv, jname); 133 if ((*jenv)->ExceptionCheck(jenv)) { 134 (*jenv)->DeleteLocalRef(jenv, jattr); 135 return (NULL); 136 } 137 138 /* data stability */ 139 name = dtj_stability_name(attr->dtat_data); 140 if (!name) { 141 dtj_throw_illegal_argument(jenv, 142 "unexpected data stability value: %d", 143 attr->dtat_data); 144 (*jenv)->DeleteLocalRef(jenv, jattr); 145 return (NULL); 146 } 147 jname = (*jenv)->NewStringUTF(jenv, name); 148 if ((*jenv)->ExceptionCheck(jenv)) { 149 (*jenv)->DeleteLocalRef(jenv, jattr); 150 return (NULL); 151 } 152 (*jenv)->CallVoidMethod(jenv, jattr, g_attrset_data_jm, jname); 153 (*jenv)->DeleteLocalRef(jenv, jname); 154 if ((*jenv)->ExceptionCheck(jenv)) { 155 (*jenv)->DeleteLocalRef(jenv, jattr); 156 return (NULL); 157 } 158 159 /* dependency class */ 160 name = dtj_dependency_class_name(attr->dtat_class); 161 if (!name) { 162 dtj_throw_illegal_argument(jenv, 163 "unexpected dependency class value: %d", 164 attr->dtat_class); 165 (*jenv)->DeleteLocalRef(jenv, jattr); 166 return (NULL); 167 } 168 jname = (*jenv)->NewStringUTF(jenv, name); 169 if ((*jenv)->ExceptionCheck(jenv)) { 170 (*jenv)->DeleteLocalRef(jenv, jattr); 171 return (NULL); 172 } 173 (*jenv)->CallVoidMethod(jenv, jattr, g_attrset_class_jm, jname); 174 (*jenv)->DeleteLocalRef(jenv, jname); 175 if ((*jenv)->ExceptionCheck(jenv)) { 176 (*jenv)->DeleteLocalRef(jenv, jattr); 177 return (NULL); 178 } 179 180 return (jattr); 181 } 182