1/*
2 * Copyright (c) 2003, 2013, 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 SHARE_VM_PRIMS_JVMTIEXTENSIONS_HPP
26#define SHARE_VM_PRIMS_JVMTIEXTENSIONS_HPP
27
28#include "jvmtifiles/jvmti.h"
29#include "jvmtifiles/jvmtiEnv.hpp"
30#include "memory/allocation.hpp"
31
32// JvmtiExtensions
33//
34// Maintains the list of extension functions and events in this JVMTI
35// implementation. The list of functions and events can be obtained by
36// the profiler using the JVMTI GetExtensionFunctions and
37// GetExtensionEvents functions.
38
39class JvmtiExtensions : public AllStatic {
40 private:
41  static GrowableArray<jvmtiExtensionFunctionInfo*>* _ext_functions;
42  static GrowableArray<jvmtiExtensionEventInfo*>* _ext_events;
43
44 public:
45  // register extensions function
46  static void register_extensions();
47
48  // returns the list of extension functions
49  static jvmtiError get_functions(JvmtiEnv* env, jint* extension_count_ptr,
50                                  jvmtiExtensionFunctionInfo** extensions);
51
52  // returns the list of extension events
53  static jvmtiError get_events(JvmtiEnv* env, jint* extension_count_ptr,
54                               jvmtiExtensionEventInfo** extensions);
55
56  // sets the callback function for an extension event and enables the event
57  static jvmtiError set_event_callback(JvmtiEnv* env, jint extension_event_index,
58                                       jvmtiExtensionEvent callback);
59};
60
61#endif // SHARE_VM_PRIMS_JVMTIEXTENSIONS_HPP
62