1 /*
   2  * Copyright (c) 2003, 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.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #ifndef _JVMTI_EXTENSIONS_H_
  26 #define _JVMTI_EXTENSIONS_H_
  27 
  28 
  29 // JvmtiExtensions
  30 //
  31 // Maintains the list of extension functions and events in this JVMTI
  32 // implementation. The list of functions and events can be obtained by
  33 // the profiler using the JVMTI GetExtensionFunctions and
  34 // GetExtensionEvents functions.
  35 
  36 class JvmtiExtensions : public AllStatic {
  37  private:
  38   static GrowableArray<jvmtiExtensionFunctionInfo*>* _ext_functions;
  39   static GrowableArray<jvmtiExtensionEventInfo*>* _ext_events;
  40 
  41  public:
  42   // register extensions function
  43   static void register_extensions();
  44 
  45   // returns the list of extension functions
  46   static jvmtiError get_functions(JvmtiEnv* env, jint* extension_count_ptr,
  47                                   jvmtiExtensionFunctionInfo** extensions);
  48 
  49   // returns the list of extension events
  50   static jvmtiError get_events(JvmtiEnv* env, jint* extension_count_ptr,
  51                                jvmtiExtensionEventInfo** extensions);
  52 
  53   // sets the callback function for an extension event and enables the event
  54   static jvmtiError set_event_callback(JvmtiEnv* env, jint extension_event_index,
  55                                        jvmtiExtensionEvent callback);
  56 };
  57 
  58 #endif  /* _JVMTI_EXTENSIONS_H_ */