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;
21
22import java.io.IOException;
23
24public class Format22b extends Format2 implements ContainsVRegs, ContainsConst {
25  @Override
26  public void writeToFile(DexRandomAccessFile file, Instruction insn) throws IOException {
27    file.writeByte((byte) insn.info.value);
28    file.writeByte((byte) insn.vregA);
29    file.writeByte((byte) insn.vregB);
30    file.writeByte((byte) insn.vregC);
31    return;
32  }
33
34  @Override
35  public long getA(byte[] raw) throws IOException {
36    return RawInsnHelper.getUnsignedByteFromByte(raw, 1);
37  }
38
39  @Override
40  public long getB(byte[] raw) throws IOException {
41    return RawInsnHelper.getUnsignedByteFromByte(raw, 2);
42  }
43
44  @Override
45  public long getC(byte[] raw) throws IOException {
46    return RawInsnHelper.getSignedByteFromByte(raw, 3);
47  }
48
49  @Override
50  public long getConst(Instruction insn) {
51    return insn.vregC;
52  }
53
54  @Override
55  public void setConst(Instruction insn, long constant) {
56    insn.vregC = constant;
57  }
58
59  @Override
60  public long getConstRange() {
61    return (1 << 8);
62  }
63
64  @Override
65  public int getVRegCount() {
66    return 2;
67  }
68}
69