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 22 import java.io.IOException; 23 24 public class Format22s 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 | (insn.vregB << 4))); 29 file.writeUShort((short) insn.vregC); 30 return; 31 } 32 33 @Override 34 public long getA(byte[] raw) throws IOException { 35 return RawInsnHelper.getUnsignedLowNibbleFromByte(raw, 1); 36 } 37 38 @Override 39 public long getB(byte[] raw) throws IOException { 40 return RawInsnHelper.getUnsignedHighNibbleFromByte(raw, 1); 41 } 42 43 @Override 44 public long getC(byte[] raw) throws IOException { 45 return RawInsnHelper.getSignedShortFromTwoBytes(raw, 2); 46 } 47 48 @Override 49 public long getConst(Instruction insn) { 50 return insn.vregC; 51 } 52 53 @Override 54 public void setConst(Instruction insn, long constant) { 55 insn.vregC = constant; 56 } 57 58 @Override 59 public long getConstRange() { 60 return (1 << 16); 61 } 62 63 @Override 64 public int getVRegCount() { 65 return 2; 66 } 67 } 68
