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 24// NB: This format is only used for statically determined verification errors, 25// so we shouldn't encounter it in ART. (Or even before, as they are only written in during 26// verification, which comes after our fuzzing...) 27// Therefore, no need to say this implements ContainsPoolIndex, even though it is a *c format 28public class Format20bc extends Format2 { 29 @Override 30 public void writeToFile(DexRandomAccessFile file, Instruction insn) throws IOException { 31 file.writeByte((byte) insn.info.value); 32 file.writeByte((byte) insn.vregA); 33 file.writeUShort((short) insn.vregB); 34 return; 35 } 36 37 @Override 38 public long getA(byte[] raw) throws IOException { 39 return RawInsnHelper.getUnsignedByteFromByte(raw, 1); 40 } 41 42 @Override 43 public long getB(byte[] raw) throws IOException { 44 return RawInsnHelper.getUnsignedShortFromTwoBytes(raw, 1); 45 } 46 47 @Override 48 public long getC(byte[] raw) throws IOException { 49 return (long) 0; 50 } 51} 52