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