1 /* 2 * Copyright (C) 2011 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 com.android.dx.io.instructions; 18 19 import com.android.dx.io.IndexType; 20 21 /** 22 * A decoded Dalvik instruction which has two register arguments. 23 */ 24 public final class TwoRegisterDecodedInstruction extends DecodedInstruction { 25 /** register argument "A" */ 26 private final int a; 27 28 /** register argument "B" */ 29 private final int b; 30 31 /** 32 * Constructs an instance. 33 */ 34 public TwoRegisterDecodedInstruction(InstructionCodec format, int opcode, 35 int index, IndexType indexType, int target, long literal, 36 int a, int b) { 37 super(format, opcode, index, indexType, target, literal); 38 39 this.a = a; 40 this.b = b; 41 } 42 43 /** @inheritDoc */ 44 public int getRegisterCount() { 45 return 2; 46 } 47 48 /** @inheritDoc */ 49 public int getA() { 50 return a; 51 } 52 53 /** @inheritDoc */ 54 public int getB() { 55 return b; 56 } 57 58 /** @inheritDoc */ 59 public DecodedInstruction withIndex(int newIndex) { 60 return new TwoRegisterDecodedInstruction( 61 getFormat(), getOpcode(), newIndex, getIndexType(), 62 getTarget(), getLiteral(), a, b); 63 } 64 } 65
