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/*
27 * Copyright 2003 Wily Technology, Inc.
28 */
29
30#ifndef _UTILITIES_H_
31#define _UTILITIES_H_
32
33#include <jni.h>
34#include <jvmti.h>
35#include "jni_util.h"
36
37#ifdef STATIC_BUILD
38#define allocate instAllocate
39#define deallocate instDeallocate
40#endif
41
42
43#ifdef __cplusplus
44extern "C" {
45#endif
46
47/*
48 * This module provides various simple JNI and JVMTI utility functionality.
49 */
50
51/*
52 * This allocate must be paired with this deallocate. Used for our own working buffers.
53 * Implementation may vary.
54 */
55extern void *
56allocate(jvmtiEnv * jvmtienv, size_t bytecount);
57
58extern void
59deallocate(jvmtiEnv * jvmtienv, void * buffer);
60
61
62/*
63 * Misc. JNI support
64 */
65/* convenience wrapper around JNI instanceOf */
66extern jboolean
67isInstanceofClassName( JNIEnv* jnienv,
68 jobject instance,
69 const char* className);
70
71
72/* calling this stops the JVM and does not return */
73extern void
74abortJVM( JNIEnv * jnienv,
75 const char * message);
76
77
78#ifdef __cplusplus
79} /* extern "C" */
80#endif /* __cplusplus */
81
82
83#endif
84