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      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
     28  * or visit www.oracle.com if you need additional information or have any
     29  * questions.
     30  */
     31 
     32 #ifndef ART_OPENJDKJVMTI_TI_CLASS_H_
     33 #define ART_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 GetClassLoaderClassDescriptors(jvmtiEnv* env,
     79                                                    jobject loader,
     80                                                    jint* count_ptr,
     81                                                    char*** classes);
     82 
     83   static jvmtiError IsInterface(jvmtiEnv* env, jclass klass, jboolean* is_interface_ptr);
     84   static jvmtiError IsArrayClass(jvmtiEnv* env, jclass klass, jboolean* is_array_class_ptr);
     85 
     86   static jvmtiError GetClassVersionNumbers(jvmtiEnv* env,
     87                                            jclass klass,
     88                                            jint* minor_version_ptr,
     89                                            jint* major_version_ptr);
     90 
     91   static jvmtiError GetSourceFileName(jvmtiEnv* env, jclass klass, char** source_name_ptr);
     92 
     93   static jvmtiError GetSourceDebugExtension(jvmtiEnv* env,
     94                                             jclass klass,
     95                                             char** source_debug_extension_ptr);
     96 };
     97 
     98 }  // namespace openjdkjvmti
     99 
    100 #endif  // ART_OPENJDKJVMTI_TI_CLASS_H_
    101