1f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project/* 2f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Copyright (C) 2007 The Android Open Source Project 3f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * 4f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 5f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * you may not use this file except in compliance with the License. 6f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * You may obtain a copy of the License at 7f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * 8f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 9f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * 10f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 11f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 12f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * See the License for the specific language governing permissions and 14f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * limitations under the License. 15f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project */ 16f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 17f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectpackage com.android.dx.dex.code.form; 18f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 19f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectimport com.android.dx.dex.code.DalvInsn; 20f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectimport com.android.dx.dex.code.InsnFormat; 21f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectimport com.android.dx.dex.code.SimpleInsn; 22f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectimport com.android.dx.rop.code.RegisterSpecList; 23f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectimport com.android.dx.util.AnnotatedOutput; 24dd79e4e11fa20d6677b70ce6618a8653a1f3520djeffhaoimport java.util.BitSet; 25dd79e4e11fa20d6677b70ce6618a8653a1f3520djeffhao 26f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project/** 2799409883d9c4c0ffb49b070ce307bb33a9dfe9f1The Android Open Source Project * Instruction format {@code 32x}. See the instruction format spec 28f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * for details. 29f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project */ 30f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectpublic final class Form32x extends InsnFormat { 3199409883d9c4c0ffb49b070ce307bb33a9dfe9f1The Android Open Source Project /** {@code non-null;} unique instance of this class */ 32f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public static final InsnFormat THE_ONE = new Form32x(); 33f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 34f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project /** 35f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Constructs an instance. This class is not publicly 36f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * instantiable. Use {@link #THE_ONE}. 37f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project */ 38f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project private Form32x() { 39f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project // This space intentionally left blank. 40f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 41f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 42f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project /** {@inheritDoc} */ 43f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project @Override 44f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public String insnArgString(DalvInsn insn) { 45f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project RegisterSpecList regs = insn.getRegisters(); 46f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project return regs.get(0).regString() + ", " + regs.get(1).regString(); 47f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 48f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 49f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project /** {@inheritDoc} */ 50f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project @Override 51f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public String insnCommentString(DalvInsn insn, boolean noteIndices) { 52f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project // This format has no comment. 53f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project return ""; 54f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 55f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 56f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project /** {@inheritDoc} */ 57f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project @Override 58f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public int codeSize() { 59f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project return 3; 60f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 61f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 62f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project /** {@inheritDoc} */ 63f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project @Override 64f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public boolean isCompatible(DalvInsn insn) { 65f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project RegisterSpecList regs = insn.getRegisters(); 66f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project return (insn instanceof SimpleInsn) && 67f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project (regs.size() == 2) && 68f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project unsignedFitsInShort(regs.get(0).getReg()) && 69f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project unsignedFitsInShort(regs.get(1).getReg()); 70f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 71f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 72f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project /** {@inheritDoc} */ 73f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project @Override 74dd79e4e11fa20d6677b70ce6618a8653a1f3520djeffhao public BitSet compatibleRegs(DalvInsn insn) { 75dd79e4e11fa20d6677b70ce6618a8653a1f3520djeffhao RegisterSpecList regs = insn.getRegisters(); 76dd79e4e11fa20d6677b70ce6618a8653a1f3520djeffhao BitSet bits = new BitSet(2); 77dd79e4e11fa20d6677b70ce6618a8653a1f3520djeffhao 78dd79e4e11fa20d6677b70ce6618a8653a1f3520djeffhao bits.set(0, unsignedFitsInShort(regs.get(0).getReg())); 79dd79e4e11fa20d6677b70ce6618a8653a1f3520djeffhao bits.set(1, unsignedFitsInShort(regs.get(1).getReg())); 80dd79e4e11fa20d6677b70ce6618a8653a1f3520djeffhao return bits; 81dd79e4e11fa20d6677b70ce6618a8653a1f3520djeffhao } 82dd79e4e11fa20d6677b70ce6618a8653a1f3520djeffhao 83dd79e4e11fa20d6677b70ce6618a8653a1f3520djeffhao /** {@inheritDoc} */ 84dd79e4e11fa20d6677b70ce6618a8653a1f3520djeffhao @Override 85f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public void writeTo(AnnotatedOutput out, DalvInsn insn) { 86f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project RegisterSpecList regs = insn.getRegisters(); 87f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 88f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project write(out, 89f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project opcodeUnit(insn, 0), 90f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project (short) regs.get(0).getReg(), 91f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project (short) regs.get(1).getReg()); 92f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 93f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project} 94