1917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul/* 2917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul * Copyright (C) 2007 The Android Open Source Project 3917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul * 4917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul * Licensed under the Apache License, Version 2.0 (the "License"); 5917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul * you may not use this file except in compliance with the License. 6917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul * You may obtain a copy of the License at 7917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul * 8917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul * http://www.apache.org/licenses/LICENSE-2.0 9917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul * 10917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul * Unless required by applicable law or agreed to in writing, software 11917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul * distributed under the License is distributed on an "AS IS" BASIS, 12917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul * See the License for the specific language governing permissions and 14917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul * limitations under the License. 15917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul */ 16917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul 17917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgulpackage com.android.dexgen.dex.code; 18917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul 19917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgulimport com.android.dexgen.rop.code.RegisterSpecList; 20917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgulimport com.android.dexgen.rop.code.SourcePosition; 21917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul 22917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul/** 23917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul * Pseudo-instruction base class for variable-sized instructions. 24917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul */ 25917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgulpublic abstract class VariableSizeInsn extends DalvInsn { 26917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul /** 27917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul * Constructs an instance. The output address of this instance is initially 28917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul * unknown ({@code -1}). 29917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul * 30917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul * @param position {@code non-null;} source position 31917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul * @param registers {@code non-null;} source registers 32917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul */ 33917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul public VariableSizeInsn(SourcePosition position, 34917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul RegisterSpecList registers) { 35917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul super(Dops.SPECIAL_FORMAT, position, registers); 36917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul } 37917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul 38917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul /** {@inheritDoc} */ 39917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul @Override 40917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul public final DalvInsn withOpcode(Dop opcode) { 41917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul throw new RuntimeException("unsupported"); 42917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul } 43917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul 44917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul /** {@inheritDoc} */ 45917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul @Override 46917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul public final DalvInsn withRegisterOffset(int delta) { 47917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul return withRegisters(getRegisters().withOffset(delta)); 48917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul } 49917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul} 50