15867263eb588f4671400895d1e6b01c01535061bJesusFreke@JesusFreke.com/* 25867263eb588f4671400895d1e6b01c01535061bJesusFreke@JesusFreke.com * [The "BSD licence"] 300fc68adf2e39aeb9fed35293f2576bbe729ec4bJesusFreke@JesusFreke.com * Copyright (c) 2010 Ben Gruver (JesusFreke) 45867263eb588f4671400895d1e6b01c01535061bJesusFreke@JesusFreke.com * All rights reserved. 55867263eb588f4671400895d1e6b01c01535061bJesusFreke@JesusFreke.com * 65867263eb588f4671400895d1e6b01c01535061bJesusFreke@JesusFreke.com * Redistribution and use in source and binary forms, with or without 75867263eb588f4671400895d1e6b01c01535061bJesusFreke@JesusFreke.com * modification, are permitted provided that the following conditions 85867263eb588f4671400895d1e6b01c01535061bJesusFreke@JesusFreke.com * are met: 95867263eb588f4671400895d1e6b01c01535061bJesusFreke@JesusFreke.com * 1. Redistributions of source code must retain the above copyright 105867263eb588f4671400895d1e6b01c01535061bJesusFreke@JesusFreke.com * notice, this list of conditions and the following disclaimer. 115867263eb588f4671400895d1e6b01c01535061bJesusFreke@JesusFreke.com * 2. Redistributions in binary form must reproduce the above copyright 125867263eb588f4671400895d1e6b01c01535061bJesusFreke@JesusFreke.com * notice, this list of conditions and the following disclaimer in the 135867263eb588f4671400895d1e6b01c01535061bJesusFreke@JesusFreke.com * documentation and/or other materials provided with the distribution. 145867263eb588f4671400895d1e6b01c01535061bJesusFreke@JesusFreke.com * 3. The name of the author may not be used to endorse or promote products 155867263eb588f4671400895d1e6b01c01535061bJesusFreke@JesusFreke.com * derived from this software without specific prior written permission. 165867263eb588f4671400895d1e6b01c01535061bJesusFreke@JesusFreke.com * 175867263eb588f4671400895d1e6b01c01535061bJesusFreke@JesusFreke.com * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 185867263eb588f4671400895d1e6b01c01535061bJesusFreke@JesusFreke.com * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 195867263eb588f4671400895d1e6b01c01535061bJesusFreke@JesusFreke.com * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 205867263eb588f4671400895d1e6b01c01535061bJesusFreke@JesusFreke.com * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 215867263eb588f4671400895d1e6b01c01535061bJesusFreke@JesusFreke.com * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 225867263eb588f4671400895d1e6b01c01535061bJesusFreke@JesusFreke.com * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 235867263eb588f4671400895d1e6b01c01535061bJesusFreke@JesusFreke.com * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 245867263eb588f4671400895d1e6b01c01535061bJesusFreke@JesusFreke.com * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 255867263eb588f4671400895d1e6b01c01535061bJesusFreke@JesusFreke.com * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 265867263eb588f4671400895d1e6b01c01535061bJesusFreke@JesusFreke.com * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 275867263eb588f4671400895d1e6b01c01535061bJesusFreke@JesusFreke.com */ 285867263eb588f4671400895d1e6b01c01535061bJesusFreke@JesusFreke.com 295867263eb588f4671400895d1e6b01c01535061bJesusFreke@JesusFreke.compackage org.jf.dexlib.Code.Format; 305867263eb588f4671400895d1e6b01c01535061bJesusFreke@JesusFreke.com 315867263eb588f4671400895d1e6b01c01535061bJesusFreke@JesusFreke.comimport org.jf.dexlib.Code.Instruction; 325867263eb588f4671400895d1e6b01c01535061bJesusFreke@JesusFreke.comimport org.jf.dexlib.Code.InstructionWithReference; 335867263eb588f4671400895d1e6b01c01535061bJesusFreke@JesusFreke.comimport org.jf.dexlib.Code.Opcode; 345867263eb588f4671400895d1e6b01c01535061bJesusFreke@JesusFreke.comimport org.jf.dexlib.Code.SingleRegisterInstruction; 355867263eb588f4671400895d1e6b01c01535061bJesusFreke@JesusFreke.comimport org.jf.dexlib.DexFile; 365867263eb588f4671400895d1e6b01c01535061bJesusFreke@JesusFreke.comimport org.jf.dexlib.Item; 375867263eb588f4671400895d1e6b01c01535061bJesusFreke@JesusFreke.comimport org.jf.dexlib.TypeIdItem; 38fda2e631ac0b1ca092973b7fff4b2f38d2c23437JesusFreke@JesusFreke.comimport org.jf.dexlib.Util.AnnotatedOutput; 395867263eb588f4671400895d1e6b01c01535061bJesusFreke@JesusFreke.com 405867263eb588f4671400895d1e6b01c01535061bJesusFreke@JesusFreke.compublic class Instruction21c extends InstructionWithReference implements SingleRegisterInstruction { 415867263eb588f4671400895d1e6b01c01535061bJesusFreke@JesusFreke.com public static final Instruction.InstructionFactory Factory = new Factory(); 42fda2e631ac0b1ca092973b7fff4b2f38d2c23437JesusFreke@JesusFreke.com private byte regA; 43fda2e631ac0b1ca092973b7fff4b2f38d2c23437JesusFreke@JesusFreke.com 44fda2e631ac0b1ca092973b7fff4b2f38d2c23437JesusFreke@JesusFreke.com public Instruction21c(Opcode opcode, short regA, Item referencedItem) { 45fda2e631ac0b1ca092973b7fff4b2f38d2c23437JesusFreke@JesusFreke.com super(opcode, referencedItem); 465867263eb588f4671400895d1e6b01c01535061bJesusFreke@JesusFreke.com 475867263eb588f4671400895d1e6b01c01535061bJesusFreke@JesusFreke.com if (regA >= 1 << 8) { 485867263eb588f4671400895d1e6b01c01535061bJesusFreke@JesusFreke.com throw new RuntimeException("The register number must be less than v256"); 495867263eb588f4671400895d1e6b01c01535061bJesusFreke@JesusFreke.com } 505867263eb588f4671400895d1e6b01c01535061bJesusFreke@JesusFreke.com 515867263eb588f4671400895d1e6b01c01535061bJesusFreke@JesusFreke.com if (opcode == Opcode.NEW_INSTANCE) { 525867263eb588f4671400895d1e6b01c01535061bJesusFreke@JesusFreke.com assert referencedItem instanceof TypeIdItem; 535867263eb588f4671400895d1e6b01c01535061bJesusFreke@JesusFreke.com if (((TypeIdItem)referencedItem).getTypeDescriptor().charAt(0) != 'L') { 545867263eb588f4671400895d1e6b01c01535061bJesusFreke@JesusFreke.com throw new RuntimeException("Only class references can be used with the new-instance opcode"); 555867263eb588f4671400895d1e6b01c01535061bJesusFreke@JesusFreke.com } 565867263eb588f4671400895d1e6b01c01535061bJesusFreke@JesusFreke.com } 575867263eb588f4671400895d1e6b01c01535061bJesusFreke@JesusFreke.com 58fda2e631ac0b1ca092973b7fff4b2f38d2c23437JesusFreke@JesusFreke.com this.regA = (byte)regA; 595867263eb588f4671400895d1e6b01c01535061bJesusFreke@JesusFreke.com } 605867263eb588f4671400895d1e6b01c01535061bJesusFreke@JesusFreke.com 615867263eb588f4671400895d1e6b01c01535061bJesusFreke@JesusFreke.com private Instruction21c(DexFile dexFile, Opcode opcode, byte[] buffer, int bufferIndex) { 625867263eb588f4671400895d1e6b01c01535061bJesusFreke@JesusFreke.com super(dexFile, opcode, buffer, bufferIndex); 635867263eb588f4671400895d1e6b01c01535061bJesusFreke@JesusFreke.com 6489325d96ccf63e41c8140b3cc994558417a08629JesusFreke@JesusFreke.com if (opcode == Opcode.NEW_INSTANCE && 6589325d96ccf63e41c8140b3cc994558417a08629JesusFreke@JesusFreke.com ((TypeIdItem)this.getReferencedItem()).getTypeDescriptor().charAt(0) != 'L') { 6689325d96ccf63e41c8140b3cc994558417a08629JesusFreke@JesusFreke.com 675867263eb588f4671400895d1e6b01c01535061bJesusFreke@JesusFreke.com throw new RuntimeException("Only class references can be used with the new-instance opcode"); 685867263eb588f4671400895d1e6b01c01535061bJesusFreke@JesusFreke.com } 69fda2e631ac0b1ca092973b7fff4b2f38d2c23437JesusFreke@JesusFreke.com 70fda2e631ac0b1ca092973b7fff4b2f38d2c23437JesusFreke@JesusFreke.com this.regA = buffer[bufferIndex + 1]; 71fda2e631ac0b1ca092973b7fff4b2f38d2c23437JesusFreke@JesusFreke.com } 72fda2e631ac0b1ca092973b7fff4b2f38d2c23437JesusFreke@JesusFreke.com 7316a911620ccf7b530b873fb71cf13e8dcb88ad28JesusFreke@JesusFreke.com protected void writeInstruction(AnnotatedOutput out, int currentCodeAddress) { 74f6c7706102252daa0051b1f4a32d2fce3b17876eJesusFreke@JesusFreke.com if(opcode == Opcode.CONST_STRING && getReferencedItem().getIndex() > 0xFFFF) { 75f6c7706102252daa0051b1f4a32d2fce3b17876eJesusFreke@JesusFreke.com throw new RuntimeException("String offset is too large for const-string. Use string-const/jumbo instead."); 76f6c7706102252daa0051b1f4a32d2fce3b17876eJesusFreke@JesusFreke.com } 77f6c7706102252daa0051b1f4a32d2fce3b17876eJesusFreke@JesusFreke.com 78fda2e631ac0b1ca092973b7fff4b2f38d2c23437JesusFreke@JesusFreke.com out.writeByte(opcode.value); 79fda2e631ac0b1ca092973b7fff4b2f38d2c23437JesusFreke@JesusFreke.com out.writeByte(regA); 80fda2e631ac0b1ca092973b7fff4b2f38d2c23437JesusFreke@JesusFreke.com out.writeShort(getReferencedItem().getIndex()); 815867263eb588f4671400895d1e6b01c01535061bJesusFreke@JesusFreke.com } 825867263eb588f4671400895d1e6b01c01535061bJesusFreke@JesusFreke.com 835867263eb588f4671400895d1e6b01c01535061bJesusFreke@JesusFreke.com public Format getFormat() { 845867263eb588f4671400895d1e6b01c01535061bJesusFreke@JesusFreke.com return Format.Format21c; 855867263eb588f4671400895d1e6b01c01535061bJesusFreke@JesusFreke.com } 865867263eb588f4671400895d1e6b01c01535061bJesusFreke@JesusFreke.com 875867263eb588f4671400895d1e6b01c01535061bJesusFreke@JesusFreke.com public int getRegisterA() { 88fda2e631ac0b1ca092973b7fff4b2f38d2c23437JesusFreke@JesusFreke.com return regA & 0xFF; 895867263eb588f4671400895d1e6b01c01535061bJesusFreke@JesusFreke.com } 905867263eb588f4671400895d1e6b01c01535061bJesusFreke@JesusFreke.com 915867263eb588f4671400895d1e6b01c01535061bJesusFreke@JesusFreke.com private static class Factory implements Instruction.InstructionFactory { 925867263eb588f4671400895d1e6b01c01535061bJesusFreke@JesusFreke.com public Instruction makeInstruction(DexFile dexFile, Opcode opcode, byte[] buffer, int bufferIndex) { 935867263eb588f4671400895d1e6b01c01535061bJesusFreke@JesusFreke.com return new Instruction21c(dexFile, opcode, buffer, bufferIndex); 945867263eb588f4671400895d1e6b01c01535061bJesusFreke@JesusFreke.com } 955867263eb588f4671400895d1e6b01c01535061bJesusFreke@JesusFreke.com } 965867263eb588f4671400895d1e6b01c01535061bJesusFreke@JesusFreke.com} 97