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
Java_sun_instrument_InstrumentationImpl_isModifiableClass0(JNIEnv * jnienv,jobject implThis,jlong agent,jclass clazz)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
Java_sun_instrument_InstrumentationImpl_isRetransformClassesSupported0(JNIEnv * jnienv,jobject implThis,jlong agent)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
Java_sun_instrument_InstrumentationImpl_setHasRetransformableTransformers(JNIEnv * jnienv,jobject implThis,jlong agent,jboolean has)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
Java_sun_instrument_InstrumentationImpl_retransformClasses0(JNIEnv * jnienv,jobject implThis,jlong agent,jobjectArray classes)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  */
Java_sun_instrument_InstrumentationImpl_redefineClasses0(JNIEnv * jnienv,jobject implThis,jlong agent,jobjectArray classDefinitions)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  */
Java_sun_instrument_InstrumentationImpl_getAllLoadedClasses0(JNIEnv * jnienv,jobject implThis,jlong agent)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  */
Java_sun_instrument_InstrumentationImpl_getInitiatedClasses0(JNIEnv * jnienv,jobject implThis,jlong agent,jobject classLoader)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  */
Java_sun_instrument_InstrumentationImpl_getObjectSize0(JNIEnv * jnienv,jobject implThis,jlong agent,jobject objectToSize)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  */
Java_sun_instrument_InstrumentationImpl_appendToClassLoaderSearch0(JNIEnv * jnienv,jobject implThis,jlong agent,jstring jarFile,jboolean isBootLoader)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  */
Java_sun_instrument_InstrumentationImpl_setNativeMethodPrefixes(JNIEnv * jnienv,jobject implThis,jlong agent,jobjectArray prefixArray,jboolean isRetransformable)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 }
157