1 /* Copyright (C) 2016 The Android Open Source Project
2  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
3  *
4  * This file implements interfaces from the file jvmti.h. This implementation
5  * is licensed under the same terms as the file jvmti.h.  The
6  * copyright and license information for the file jvmti.h follows.
7  *
8  * Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved.
9  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
10  *
11  * This code is free software; you can redistribute it and/or modify it
12  * under the terms of the GNU General Public License version 2 only, as
13  * published by the Free Software Foundation.  Oracle designates this
14  * particular file as subject to the "Classpath" exception as provided
15  * by Oracle in the LICENSE file that accompanied this code.
16  *
17  * This code is distributed in the hope that it will be useful, but WITHOUT
18  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
19  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
20  * version 2 for more details (a copy is included in the LICENSE file that
21  * accompanied this code).
22  *
23  * You should have received a copy of the GNU General Public License version
24  * 2 along with this work; if not, write to the Free Software Foundation,
25  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
26  *
27  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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30  */
31 
32 #ifndef ART_RUNTIME_OPENJDKJVMTI_TI_CLASS_H_
33 #define ART_RUNTIME_OPENJDKJVMTI_TI_CLASS_H_
34 
35 #include "jni.h"
36 #include "jvmti.h"
37 
38 namespace openjdkjvmti {
39 
40 class EventHandler;
41 
42 class ClassUtil {
43  public:
44   static void Register(EventHandler* event_handler);
45   static void Unregister();
46 
47   static jvmtiError GetClassFields(jvmtiEnv* env,
48                                    jclass klass,
49                                    jint* field_count_ptr,
50                                    jfieldID** fields_ptr);
51 
52   static jvmtiError GetClassMethods(jvmtiEnv* env,
53                                     jclass klass,
54                                     jint* method_count_ptr,
55                                     jmethodID** methods_ptr);
56 
57   static jvmtiError GetImplementedInterfaces(jvmtiEnv* env,
58                                              jclass klass,
59                                              jint* interface_count_ptr,
60                                              jclass** interfaces_ptr);
61 
62   static jvmtiError GetClassModifiers(jvmtiEnv* env, jclass klass, jint* modifiers_ptr);
63 
64   static jvmtiError GetClassSignature(jvmtiEnv* env,
65                                       jclass klass,
66                                       char** signature_ptr,
67                                       char** generic_ptr);
68 
69   static jvmtiError GetClassStatus(jvmtiEnv* env, jclass klass, jint* status_ptr);
70 
71   static jvmtiError GetClassLoader(jvmtiEnv* env, jclass klass, jobject* classloader_ptr);
72 
73   static jvmtiError GetClassLoaderClasses(jvmtiEnv* env,
74                                           jobject initiating_loader,
75                                           jint* class_count_ptr,
76                                           jclass** classes_ptr);
77 
78   static jvmtiError IsInterface(jvmtiEnv* env, jclass klass, jboolean* is_interface_ptr);
79   static jvmtiError IsArrayClass(jvmtiEnv* env, jclass klass, jboolean* is_array_class_ptr);
80 
81   static jvmtiError GetClassVersionNumbers(jvmtiEnv* env,
82                                            jclass klass,
83                                            jint* minor_version_ptr,
84                                            jint* major_version_ptr);
85 };
86 
87 }  // namespace openjdkjvmti
88 
89 #endif  // ART_RUNTIME_OPENJDKJVMTI_TI_CLASS_H_
90