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.Opcode; 22 import dexfuzz.rawdex.OpcodeInfo; 23 24 import java.io.IOException; 25 26 public class Format22c extends Format2 implements ContainsVRegs, 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 | (insn.vregB << 4))); 31 file.writeUShort((short) insn.vregC); 32 return; 33 } 34 35 @Override 36 public long getA(byte[] raw) throws IOException { 37 return RawInsnHelper.getUnsignedLowNibbleFromByte(raw, 1); 38 } 39 40 @Override 41 public long getB(byte[] raw) throws IOException { 42 return RawInsnHelper.getUnsignedHighNibbleFromByte(raw, 1); 43 } 44 45 @Override 46 public long getC(byte[] raw) throws IOException { 47 return RawInsnHelper.getUnsignedShortFromTwoBytes(raw, 2); 48 } 49 50 @Override 51 public int getVRegCount() { 52 return 2; 53 } 54 55 @Override 56 public int getPoolIndex(Instruction insn) { 57 return (int) insn.vregC; 58 } 59 60 @Override 61 public void setPoolIndex(Instruction insn, int poolIndex) { 62 insn.vregC = poolIndex; 63 } 64 65 @Override 66 public PoolIndexKind getPoolIndexKind(OpcodeInfo info) { 67 if (info.opcode == Opcode.INSTANCE_OF || info.opcode == Opcode.NEW_ARRAY) { 68 return PoolIndexKind.Type; 69 } 70 return PoolIndexKind.Field; 71 } 72 } 73
