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; 18f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 19f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectimport com.android.dx.rop.code.RegisterSpecList; 20f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectimport com.android.dx.rop.code.SourcePosition; 21f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectimport com.android.dx.util.AnnotatedOutput; 22f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 23f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project/** 24f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Base class for instructions which are of a fixed code size and 25f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * which use {@link InsnFormat} methods to write themselves. This 26f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * includes most — but not all — instructions. 27f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project */ 28f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectpublic abstract class FixedSizeInsn extends DalvInsn { 29f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project /** 30f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Constructs an instance. The output address of this instance is initially 3199409883d9c4c0ffb49b070ce307bb33a9dfe9f1The Android Open Source Project * unknown ({@code -1}). 32f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * 33f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * <p><b>Note:</b> In the unlikely event that an instruction takes 3499409883d9c4c0ffb49b070ce307bb33a9dfe9f1The Android Open Source Project * absolutely no registers (e.g., a {@code nop} or a 35f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * no-argument no-result * static method call), then the given 36f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * register list may be passed as {@link 37f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * RegisterSpecList#EMPTY}.</p> 38f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * 39f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * @param opcode the opcode; one of the constants from {@link Dops} 4099409883d9c4c0ffb49b070ce307bb33a9dfe9f1The Android Open Source Project * @param position {@code non-null;} source position 4199409883d9c4c0ffb49b070ce307bb33a9dfe9f1The Android Open Source Project * @param registers {@code non-null;} register list, including a 42f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * result register if appropriate (that is, registers may be either 43f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * ins or outs) 44f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project */ 45f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public FixedSizeInsn(Dop opcode, SourcePosition position, 46f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project RegisterSpecList registers) { 47f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project super(opcode, position, registers); 48f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 49f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 50f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project /** {@inheritDoc} */ 51f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project @Override 52f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public final int codeSize() { 53f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project return getOpcode().getFormat().codeSize(); 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 final void writeTo(AnnotatedOutput out) { 59f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project getOpcode().getFormat().writeTo(out, this); 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 final DalvInsn withRegisterOffset(int delta) { 65f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project return withRegisters(getRegisters().withOffset(delta)); 66f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 67f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 68f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project /** {@inheritDoc} */ 69f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project @Override 70f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project protected final String listingString0(boolean noteIndices) { 71f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project return getOpcode().getFormat().listingString(this, noteIndices); 72f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 73f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project} 74