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
44 extern "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  */
55 extern void *
56 allocate(jvmtiEnv * jvmtienv, size_t bytecount);
57 
58 extern void
59 deallocate(jvmtiEnv * jvmtienv, void * buffer);
60 
61 
62 /*
63  *  Misc. JNI support
64  */
65 /* convenience wrapper around JNI instanceOf */
66 extern jboolean
67 isInstanceofClassName(  JNIEnv*     jnienv,
68                         jobject     instance,
69                         const char* className);
70 
71 
72 /* calling this stops the JVM and does not return */
73 extern void
74 abortJVM(   JNIEnv *        jnienv,
75             const char *    message);
76 
77 
78 #ifdef __cplusplus
79 } /* extern "C" */
80 #endif /* __cplusplus */
81 
82 
83 #endif
84