1/* 2 * Copyright (c) 2003, 2015, 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 * Declare library specific JNI_Onload entry if static build 54 */ 55DEF_STATIC_JNI_OnLoad 56 57/* 58 * Class: sun_instrument_InstrumentationImpl 59 * Method: isModifiableClass0 60 * Signature: (Ljava/lang/Class;)Z 61 */ 62JNIEXPORT jboolean JNICALL 63Java_sun_instrument_InstrumentationImpl_isModifiableClass0 64 (JNIEnv * jnienv, jobject implThis, jlong agent, jclass clazz) { 65 return isModifiableClass(jnienv, (JPLISAgent*)(intptr_t)agent, clazz); 66} 67 68/* 69 * Class: sun_instrument_InstrumentationImpl 70 * Method: isRetransformClassesSupported0 71 * Signature: ()Z 72 */ 73JNIEXPORT jboolean JNICALL 74Java_sun_instrument_InstrumentationImpl_isRetransformClassesSupported0 75 (JNIEnv * jnienv, jobject implThis, jlong agent) { 76 return isRetransformClassesSupported(jnienv, (JPLISAgent*)(intptr_t)agent); 77} 78 79/* 80 * Class: sun_instrument_InstrumentationImpl 81 * Method: setHasRetransformableTransformers 82 * Signature: (Z)V 83 */ 84JNIEXPORT void JNICALL 85Java_sun_instrument_InstrumentationImpl_setHasRetransformableTransformers 86 (JNIEnv * jnienv, jobject implThis, jlong agent, jboolean has) { 87 setHasRetransformableTransformers(jnienv, (JPLISAgent*)(intptr_t)agent, has); 88} 89 90/* 91 * Class: sun_instrument_InstrumentationImpl 92 * Method: retransformClasses0 93 * Signature: ([Ljava/lang/Class;)V 94 */ 95JNIEXPORT void JNICALL 96Java_sun_instrument_InstrumentationImpl_retransformClasses0 97 (JNIEnv * jnienv, jobject implThis, jlong agent, jobjectArray classes) { 98 retransformClasses(jnienv, (JPLISAgent*)(intptr_t)agent, classes); 99} 100 101/* 102 * Class: sun_instrument_InstrumentationImpl 103 * Method: redefineClasses0 104 * Signature: ([Ljava/lang/instrument/ClassDefinition;)V 105 */ 106JNIEXPORT void JNICALL Java_sun_instrument_InstrumentationImpl_redefineClasses0 107 (JNIEnv * jnienv, jobject implThis, jlong agent, jobjectArray classDefinitions) { 108 redefineClasses(jnienv, (JPLISAgent*)(intptr_t)agent, classDefinitions); 109} 110 111/* 112 * Class: sun_instrument_InstrumentationImpl 113 * Method: getAllLoadedClasses0 114 * Signature: ()[Ljava/lang/Class; 115 */ 116JNIEXPORT jobjectArray JNICALL Java_sun_instrument_InstrumentationImpl_getAllLoadedClasses0 117 (JNIEnv * jnienv, jobject implThis, jlong agent) { 118 return getAllLoadedClasses(jnienv, (JPLISAgent*)(intptr_t)agent); 119} 120 121/* 122 * Class: sun_instrument_InstrumentationImpl 123 * Method: getInitiatedClasses0 124 * Signature: (Ljava/lang/ClassLoader;)[Ljava/lang/Class; 125 */ 126JNIEXPORT jobjectArray JNICALL Java_sun_instrument_InstrumentationImpl_getInitiatedClasses0 127 (JNIEnv * jnienv, jobject implThis, jlong agent, jobject classLoader) { 128 return getInitiatedClasses(jnienv, (JPLISAgent*)(intptr_t)agent, classLoader); 129} 130 131/* 132 * Class: sun_instrument_InstrumentationImpl 133 * Method: getObjectSize0 134 * Signature: (Ljava/lang/Object;)J 135 */ 136JNIEXPORT jlong JNICALL Java_sun_instrument_InstrumentationImpl_getObjectSize0 137 (JNIEnv * jnienv, jobject implThis, jlong agent, jobject objectToSize) { 138 return getObjectSize(jnienv, (JPLISAgent*)(intptr_t)agent, objectToSize); 139} 140 141 142/* 143 * Class: sun_instrument_InstrumentationImpl 144 * Method: appendToClassLoaderSearch0 145 * Signature: (Ljava/lang/String;Z)V 146 */ 147JNIEXPORT void JNICALL Java_sun_instrument_InstrumentationImpl_appendToClassLoaderSearch0 148 (JNIEnv * jnienv, jobject implThis, jlong agent, jstring jarFile, jboolean isBootLoader) { 149 appendToClassLoaderSearch(jnienv, (JPLISAgent*)(intptr_t)agent, jarFile, isBootLoader); 150} 151 152 153/* 154 * Class: sun_instrument_InstrumentationImpl 155 * Method: setNativeMethodPrefixes 156 * Signature: ([Ljava/lang/String;Z)V 157 */ 158JNIEXPORT void JNICALL Java_sun_instrument_InstrumentationImpl_setNativeMethodPrefixes 159 (JNIEnv * jnienv, jobject implThis, jlong agent, jobjectArray prefixArray, jboolean isRetransformable) { 160 setNativeMethodPrefixes(jnienv, (JPLISAgent*)(intptr_t)agent, prefixArray, isRetransformable); 161} 162 163 164/* 165 * Class: sun_instrument_InstrumentationImpl 166 * Method: loadAgent0 167 */ 168JNIEXPORT void JNICALL Java_sun_instrument_InstrumentationImpl_loadAgent0 169 (JNIEnv* env, jclass clazz, jstring jarfile) 170{ 171 extern jint loadAgent(JNIEnv* env, jstring path); 172 if (loadAgent(env, jarfile) != JNI_OK) { 173 if (!(*env)->ExceptionCheck(env)) { 174 createAndThrowInternalError(env); 175 } 176 } 177} 178 179