19531284b1b6a29371ae8d8e6cfe3e1f1bfe23296Ben Gruver/* 29531284b1b6a29371ae8d8e6cfe3e1f1bfe23296Ben Gruver * Copyright 2013, Google Inc. 39531284b1b6a29371ae8d8e6cfe3e1f1bfe23296Ben Gruver * All rights reserved. 49531284b1b6a29371ae8d8e6cfe3e1f1bfe23296Ben Gruver * 59531284b1b6a29371ae8d8e6cfe3e1f1bfe23296Ben Gruver * Redistribution and use in source and binary forms, with or without 69531284b1b6a29371ae8d8e6cfe3e1f1bfe23296Ben Gruver * modification, are permitted provided that the following conditions are 79531284b1b6a29371ae8d8e6cfe3e1f1bfe23296Ben Gruver * met: 89531284b1b6a29371ae8d8e6cfe3e1f1bfe23296Ben Gruver * 99531284b1b6a29371ae8d8e6cfe3e1f1bfe23296Ben Gruver * * Redistributions of source code must retain the above copyright 109531284b1b6a29371ae8d8e6cfe3e1f1bfe23296Ben Gruver * notice, this list of conditions and the following disclaimer. 119531284b1b6a29371ae8d8e6cfe3e1f1bfe23296Ben Gruver * * Redistributions in binary form must reproduce the above 129531284b1b6a29371ae8d8e6cfe3e1f1bfe23296Ben Gruver * copyright notice, this list of conditions and the following disclaimer 139531284b1b6a29371ae8d8e6cfe3e1f1bfe23296Ben Gruver * in the documentation and/or other materials provided with the 149531284b1b6a29371ae8d8e6cfe3e1f1bfe23296Ben Gruver * distribution. 159531284b1b6a29371ae8d8e6cfe3e1f1bfe23296Ben Gruver * * Neither the name of Google Inc. nor the names of its 169531284b1b6a29371ae8d8e6cfe3e1f1bfe23296Ben Gruver * contributors may be used to endorse or promote products derived from 179531284b1b6a29371ae8d8e6cfe3e1f1bfe23296Ben Gruver * this software without specific prior written permission. 189531284b1b6a29371ae8d8e6cfe3e1f1bfe23296Ben Gruver * 199531284b1b6a29371ae8d8e6cfe3e1f1bfe23296Ben Gruver * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 209531284b1b6a29371ae8d8e6cfe3e1f1bfe23296Ben Gruver * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 219531284b1b6a29371ae8d8e6cfe3e1f1bfe23296Ben Gruver * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 229531284b1b6a29371ae8d8e6cfe3e1f1bfe23296Ben Gruver * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 239531284b1b6a29371ae8d8e6cfe3e1f1bfe23296Ben Gruver * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 249531284b1b6a29371ae8d8e6cfe3e1f1bfe23296Ben Gruver * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 259531284b1b6a29371ae8d8e6cfe3e1f1bfe23296Ben Gruver * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 269531284b1b6a29371ae8d8e6cfe3e1f1bfe23296Ben Gruver * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 279531284b1b6a29371ae8d8e6cfe3e1f1bfe23296Ben Gruver * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 289531284b1b6a29371ae8d8e6cfe3e1f1bfe23296Ben Gruver * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 299531284b1b6a29371ae8d8e6cfe3e1f1bfe23296Ben Gruver * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 309531284b1b6a29371ae8d8e6cfe3e1f1bfe23296Ben Gruver */ 319531284b1b6a29371ae8d8e6cfe3e1f1bfe23296Ben Gruver 329531284b1b6a29371ae8d8e6cfe3e1f1bfe23296Ben Gruverpackage org.jf.dexlib2.analysis; 339531284b1b6a29371ae8d8e6cfe3e1f1bfe23296Ben Gruver 349531284b1b6a29371ae8d8e6cfe3e1f1bfe23296Ben Gruverimport org.jf.dexlib2.Opcode; 359531284b1b6a29371ae8d8e6cfe3e1f1bfe23296Ben Gruverimport org.jf.dexlib2.iface.instruction.Instruction; 369531284b1b6a29371ae8d8e6cfe3e1f1bfe23296Ben Gruver 379531284b1b6a29371ae8d8e6cfe3e1f1bfe23296Ben Gruver/** 389531284b1b6a29371ae8d8e6cfe3e1f1bfe23296Ben Gruver * This represents a "fixed" odexed instruction, where the object register is always null and so the correct type 399531284b1b6a29371ae8d8e6cfe3e1f1bfe23296Ben Gruver * can't be determined. Typically, these are replaced by an equivalent instruction that would have the same 409531284b1b6a29371ae8d8e6cfe3e1f1bfe23296Ben Gruver * effect (namely, an NPE) 419531284b1b6a29371ae8d8e6cfe3e1f1bfe23296Ben Gruver */ 429531284b1b6a29371ae8d8e6cfe3e1f1bfe23296Ben Gruverpublic class UnresolvedOdexInstruction implements Instruction { 439531284b1b6a29371ae8d8e6cfe3e1f1bfe23296Ben Gruver public final Instruction originalInstruction; 449531284b1b6a29371ae8d8e6cfe3e1f1bfe23296Ben Gruver //the register number that holds the (null) reference type that the instruction operates on 459531284b1b6a29371ae8d8e6cfe3e1f1bfe23296Ben Gruver public final int objectRegisterNum; 469531284b1b6a29371ae8d8e6cfe3e1f1bfe23296Ben Gruver 479531284b1b6a29371ae8d8e6cfe3e1f1bfe23296Ben Gruver public UnresolvedOdexInstruction(Instruction originalInstruction, int objectRegisterNumber) { 489531284b1b6a29371ae8d8e6cfe3e1f1bfe23296Ben Gruver this.originalInstruction = originalInstruction; 499531284b1b6a29371ae8d8e6cfe3e1f1bfe23296Ben Gruver this.objectRegisterNum = objectRegisterNumber; 509531284b1b6a29371ae8d8e6cfe3e1f1bfe23296Ben Gruver } 519531284b1b6a29371ae8d8e6cfe3e1f1bfe23296Ben Gruver 529531284b1b6a29371ae8d8e6cfe3e1f1bfe23296Ben Gruver @Override public Opcode getOpcode() { 539531284b1b6a29371ae8d8e6cfe3e1f1bfe23296Ben Gruver return originalInstruction.getOpcode(); 549531284b1b6a29371ae8d8e6cfe3e1f1bfe23296Ben Gruver } 559531284b1b6a29371ae8d8e6cfe3e1f1bfe23296Ben Gruver 569531284b1b6a29371ae8d8e6cfe3e1f1bfe23296Ben Gruver @Override public int getCodeUnits() { 579531284b1b6a29371ae8d8e6cfe3e1f1bfe23296Ben Gruver return originalInstruction.getCodeUnits(); 589531284b1b6a29371ae8d8e6cfe3e1f1bfe23296Ben Gruver } 599531284b1b6a29371ae8d8e6cfe3e1f1bfe23296Ben Gruver} 60