1/*
2 * Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 *
8 *   - Redistributions of source code must retain the above copyright
9 *     notice, this list of conditions and the following disclaimer.
10 *
11 *   - Redistributions in binary form must reproduce the above copyright
12 *     notice, this list of conditions and the following disclaimer in the
13 *     documentation and/or other materials provided with the distribution.
14 *
15 *   - Neither the name of Oracle nor the names of its
16 *     contributors may be used to endorse or promote products derived
17 *     from this software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
20 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
21 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
23 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
24 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
25 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
26 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
27 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
28 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
29 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31
32#include <string.h>
33
34#include "jni.h"
35#include "jni_util.h"
36
37#include "endian.hpp"
38#include "imageDecompressor.hpp"
39#include "imageFile.hpp"
40#include "inttypes.hpp"
41#include "jimage.hpp"
42#include "osSupport.hpp"
43
44#include "jdk_internal_jimage_NativeImageBuffer.h"
45
46
47JNIEXPORT jobject JNICALL
48Java_jdk_internal_jimage_NativeImageBuffer_getNativeMap(JNIEnv *env,
49        jclass cls, jstring path) {
50    const char *nativePath = env->GetStringUTFChars(path, NULL);
51    ImageFileReader* reader = ImageFileReader::find_image(nativePath);
52    env->ReleaseStringUTFChars(path, nativePath);
53
54    if (reader != NULL) {
55        return env->NewDirectByteBuffer(reader->get_index_address(), (jlong)reader->map_size());
56    }
57
58    return 0;
59}
60