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 Format12x extends Format1 implements ContainsVRegs { 25 @Override writeToFile(DexRandomAccessFile file, Instruction insn)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 return; 30 } 31 32 @Override getA(byte[] raw)33 public long getA(byte[] raw) throws IOException { 34 return RawInsnHelper.getUnsignedLowNibbleFromByte(raw, 1); 35 } 36 37 @Override getB(byte[] raw)38 public long getB(byte[] raw) throws IOException { 39 return RawInsnHelper.getUnsignedHighNibbleFromByte(raw, 1); 40 } 41 42 @Override getC(byte[] raw)43 public long getC(byte[] raw) throws IOException { 44 return (long) 0; 45 } 46 47 @Override getVRegCount()48 public int getVRegCount() { 49 return 2; 50 } 51 } 52