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 */
55 DEF_STATIC_JNI_OnLoad
56
57 /*
58 * Class: sun_instrument_InstrumentationImpl
59 * Method: isModifiableClass0
60 * Signature: (Ljava/lang/Class;)Z
61 */
62 JNIEXPORT jboolean JNICALL
63 Java_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 */
73 JNIEXPORT jboolean JNICALL
74 Java_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 */
84 JNIEXPORT void JNICALL
85 Java_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 */
95 JNIEXPORT void JNICALL
96 Java_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 */
106 JNIEXPORT 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 */
116 JNIEXPORT 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 */
126 JNIEXPORT 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 */
136 JNIEXPORT 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 */
147 JNIEXPORT 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 */
158 JNIEXPORT 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 }