1 /* 2 * Copyright (c) 2003, 2008, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 #include <jni.h> 27 28 #include "JPLISAgent.h" 29 #include "JPLISAssert.h" 30 #include "Utilities.h" 31 #include "JavaExceptions.h" 32 #include "FileSystemSupport.h" /* For uintptr_t */ 33 #include "sun_instrument_InstrumentationImpl.h" 34 35 /* 36 * Copyright 2003 Wily Technology, Inc. 37 */ 38 39 /** 40 * This module contains the native method implementations to back the 41 * sun.instrument.InstrumentationImpl class. 42 * The bridge between Java and native code is built by storing a native 43 * pointer to the JPLISAgent data structure in a 64 bit scalar field 44 * in the InstrumentationImpl instance which is passed to each method. 45 */ 46 47 48 /* 49 * Native methods 50 */ 51 52 /* 53 * Class: sun_instrument_InstrumentationImpl 54 * Method: isModifiableClass0 55 * Signature: (Ljava/lang/Class;)Z 56 */ 57 JNIEXPORT jboolean JNICALL 58 Java_sun_instrument_InstrumentationImpl_isModifiableClass0 59 (JNIEnv * jnienv, jobject implThis, jlong agent, jclass clazz) { 60 return isModifiableClass(jnienv, (JPLISAgent*)(intptr_t)agent, clazz); 61 } 62 63 /* 64 * Class: sun_instrument_InstrumentationImpl 65 * Method: isRetransformClassesSupported0 66 * Signature: ()Z 67 */ 68 JNIEXPORT jboolean JNICALL 69 Java_sun_instrument_InstrumentationImpl_isRetransformClassesSupported0 70 (JNIEnv * jnienv, jobject implThis, jlong agent) { 71 return isRetransformClassesSupported(jnienv, (JPLISAgent*)(intptr_t)agent); 72 } 73 74 /* 75 * Class: sun_instrument_InstrumentationImpl 76 * Method: setHasRetransformableTransformers 77 * Signature: (Z)V 78 */ 79 JNIEXPORT void JNICALL 80 Java_sun_instrument_InstrumentationImpl_setHasRetransformableTransformers 81 (JNIEnv * jnienv, jobject implThis, jlong agent, jboolean has) { 82 setHasRetransformableTransformers(jnienv, (JPLISAgent*)(intptr_t)agent, has); 83 } 84 85 /* 86 * Class: sun_instrument_InstrumentationImpl 87 * Method: retransformClasses0 88 * Signature: ([Ljava/lang/Class;)V 89 */ 90 JNIEXPORT void JNICALL 91 Java_sun_instrument_InstrumentationImpl_retransformClasses0 92 (JNIEnv * jnienv, jobject implThis, jlong agent, jobjectArray classes) { 93 retransformClasses(jnienv, (JPLISAgent*)(intptr_t)agent, classes); 94 } 95 96 /* 97 * Class: sun_instrument_InstrumentationImpl 98 * Method: redefineClasses0 99 * Signature: ([Ljava/lang/instrument/ClassDefinition;)V 100 */ 101 JNIEXPORT void JNICALL Java_sun_instrument_InstrumentationImpl_redefineClasses0 102 (JNIEnv * jnienv, jobject implThis, jlong agent, jobjectArray classDefinitions) { 103 redefineClasses(jnienv, (JPLISAgent*)(intptr_t)agent, classDefinitions); 104 } 105 106 /* 107 * Class: sun_instrument_InstrumentationImpl 108 * Method: getAllLoadedClasses0 109 * Signature: ()[Ljava/lang/Class; 110 */ 111 JNIEXPORT jobjectArray JNICALL Java_sun_instrument_InstrumentationImpl_getAllLoadedClasses0 112 (JNIEnv * jnienv, jobject implThis, jlong agent) { 113 return getAllLoadedClasses(jnienv, (JPLISAgent*)(intptr_t)agent); 114 } 115 116 /* 117 * Class: sun_instrument_InstrumentationImpl 118 * Method: getInitiatedClasses0 119 * Signature: (Ljava/lang/ClassLoader;)[Ljava/lang/Class; 120 */ 121 JNIEXPORT jobjectArray JNICALL Java_sun_instrument_InstrumentationImpl_getInitiatedClasses0 122 (JNIEnv * jnienv, jobject implThis, jlong agent, jobject classLoader) { 123 return getInitiatedClasses(jnienv, (JPLISAgent*)(intptr_t)agent, classLoader); 124 } 125 126 /* 127 * Class: sun_instrument_InstrumentationImpl 128 * Method: getObjectSize0 129 * Signature: (Ljava/lang/Object;)J 130 */ 131 JNIEXPORT jlong JNICALL Java_sun_instrument_InstrumentationImpl_getObjectSize0 132 (JNIEnv * jnienv, jobject implThis, jlong agent, jobject objectToSize) { 133 return getObjectSize(jnienv, (JPLISAgent*)(intptr_t)agent, objectToSize); 134 } 135 136 137 /* 138 * Class: sun_instrument_InstrumentationImpl 139 * Method: appendToClassLoaderSearch0 140 * Signature: (Ljava/lang/String;Z)V 141 */ 142 JNIEXPORT void JNICALL Java_sun_instrument_InstrumentationImpl_appendToClassLoaderSearch0 143 (JNIEnv * jnienv, jobject implThis, jlong agent, jstring jarFile, jboolean isBootLoader) { 144 appendToClassLoaderSearch(jnienv, (JPLISAgent*)(intptr_t)agent, jarFile, isBootLoader); 145 } 146 147 148 /* 149 * Class: sun_instrument_InstrumentationImpl 150 * Method: setNativeMethodPrefixes 151 * Signature: ([Ljava/lang/String;Z)V 152 */ 153 JNIEXPORT void JNICALL Java_sun_instrument_InstrumentationImpl_setNativeMethodPrefixes 154 (JNIEnv * jnienv, jobject implThis, jlong agent, jobjectArray prefixArray, jboolean isRetransformable) { 155 setNativeMethodPrefixes(jnienv, (JPLISAgent*)(intptr_t)agent, prefixArray, isRetransformable); 156 }