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
17package dexfuzz.rawdex.formats;
18
19import dexfuzz.rawdex.DexRandomAccessFile;
20import dexfuzz.rawdex.Instruction;
21import dexfuzz.rawdex.Opcode;
22import dexfuzz.rawdex.OpcodeInfo;
23
24import java.io.IOException;
25
26public class Format3rc extends Format3 implements ContainsPoolIndex {
27  @Override
28  public void writeToFile(DexRandomAccessFile file, Instruction insn) throws IOException {
29    file.writeByte((byte) insn.info.value);
30    file.writeByte((byte) insn.vregA);
31    file.writeUShort((short) insn.vregB);
32    file.writeUShort((short) insn.vregC);
33    return;
34  }
35
36  @Override
37  public long getA(byte[] raw) throws IOException {
38    return RawInsnHelper.getUnsignedByteFromByte(raw, 1);
39  }
40
41  @Override
42  public long getB(byte[] raw) throws IOException {
43    return RawInsnHelper.getUnsignedShortFromTwoBytes(raw, 2);
44  }
45
46  @Override
47  public long getC(byte[] raw) throws IOException {
48    return RawInsnHelper.getUnsignedShortFromTwoBytes(raw, 4);
49  }
50
51  @Override
52  public int getPoolIndex(Instruction insn) {
53    return (int) insn.vregB;
54  }
55
56  @Override
57  public void setPoolIndex(Instruction insn, int poolIndex) {
58    insn.vregB = poolIndex;
59  }
60
61  @Override
62  public PoolIndexKind getPoolIndexKind(OpcodeInfo info) {
63    if (info.opcode == Opcode.FILLED_NEW_ARRAY_RANGE) {
64      return PoolIndexKind.Type;
65    }
66    return PoolIndexKind.Method;
67  }
68}
69