1 /*
2  * Copyright (C) 2014 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package dexfuzz.rawdex;
18 
19 import dexfuzz.Log;
20 
21 import java.io.IOException;
22 
23 // Right now we are not parsing debug_info_item, just take the raw size
24 public class DebugInfoItem implements RawDexObject {
25   private int size;
26   private byte[] data;
27 
DebugInfoItem(int size)28   public DebugInfoItem(int size) {
29     this.size = size;
30   }
31 
32   @Override
read(DexRandomAccessFile file)33   public void read(DexRandomAccessFile file) throws IOException {
34     file.getOffsetTracker().getNewOffsettable(file, this);
35     data = new byte[size];
36     file.read(data);
37 
38     // Since we are not parsing the section, ensure that the last byte is DBG_END_SEQUENCE.
39     if (data[size - 1] != 0) {
40       Log.errorAndQuit("Error reading debug_info_item. The last byte is not DBG_END_SEQUENCE.");
41     }
42   }
43 
44   @Override
write(DexRandomAccessFile file)45   public void write(DexRandomAccessFile file) throws IOException {
46     file.getOffsetTracker().updatePositionOfNextOffsettable(file);
47     file.write(data);
48   }
49 
50   @Override
incrementIndex(IndexUpdateKind kind, int insertedIdx)51   public void incrementIndex(IndexUpdateKind kind, int insertedIdx) {
52     // Do nothing.
53   }
54 }
55