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      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 Format20t extends Format2 implements ContainsTarget {
     25   @Override
     26   public void writeToFile(DexRandomAccessFile file, Instruction insn) throws IOException {
     27     file.writeByte((byte) insn.info.value);
     28     file.writeByte((byte) 0); // padding
     29     file.writeUShort((short) insn.vregA);
     30     return;
     31   }
     32 
     33   @Override
     34   public long getA(byte[] raw) throws IOException {
     35     return RawInsnHelper.getSignedShortFromTwoBytes(raw, 2);
     36   }
     37 
     38   @Override
     39   public long getB(byte[] raw) throws IOException {
     40     return (long) 0;
     41   }
     42 
     43   @Override
     44   public long getC(byte[] raw) throws IOException {
     45     return (long) 0;
     46   }
     47 
     48   @Override
     49   public long getTarget(Instruction insn) {
     50     return insn.vregA;
     51   }
     52 
     53   @Override
     54   public void setTarget(Instruction insn, long target) {
     55     insn.vregA = target;
     56   }
     57 }
     58