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.formats;
18 
19 import dexfuzz.rawdex.DexRandomAccessFile;
20 import dexfuzz.rawdex.Instruction;
21 import dexfuzz.rawdex.OpcodeInfo;
22 
23 import java.io.IOException;
24 
25 public class Format31c extends Format3 implements ContainsVRegs, ContainsPoolIndex {
26   @Override
writeToFile(DexRandomAccessFile file, Instruction insn)27   public void writeToFile(DexRandomAccessFile file, Instruction insn) throws IOException {
28     file.writeByte((byte) insn.info.value);
29     file.writeByte((byte) insn.vregA);
30     file.writeUInt((int) insn.vregB);
31     return;
32   }
33 
34   @Override
getA(byte[] raw)35   public long getA(byte[] raw) throws IOException {
36     return RawInsnHelper.getUnsignedByteFromByte(raw, 1);
37   }
38 
39   @Override
getB(byte[] raw)40   public long getB(byte[] raw) throws IOException {
41     return RawInsnHelper.getUnsignedIntFromFourBytes(raw, 2);
42   }
43 
44   @Override
getC(byte[] raw)45   public long getC(byte[] raw) throws IOException {
46     return (long) 0;
47   }
48 
49   @Override
getVRegCount()50   public int getVRegCount() {
51     return 1;
52   }
53 
54   @Override
getPoolIndex(Instruction insn)55   public int getPoolIndex(Instruction insn) {
56     return (int) insn.vregB;
57   }
58 
59   @Override
setPoolIndex(Instruction insn, int poolIndex)60   public void setPoolIndex(Instruction insn, int poolIndex) {
61     insn.vregB = poolIndex;
62   }
63 
64   @Override
getPoolIndexKind(OpcodeInfo info)65   public PoolIndexKind getPoolIndexKind(OpcodeInfo info) {
66     return PoolIndexKind.String;
67   }
68 }
69