1959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle/* 2959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle * Copyright (C) 2014 The Android Open Source Project 3959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle * 4959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle * Licensed under the Apache License, Version 2.0 (the "License"); 5959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle * you may not use this file except in compliance with the License. 6959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle * You may obtain a copy of the License at 7959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle * 8959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle * http://www.apache.org/licenses/LICENSE-2.0 9959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle * 10959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle * Unless required by applicable law or agreed to in writing, software 11959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle * distributed under the License is distributed on an "AS IS" BASIS, 12959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle * See the License for the specific language governing permissions and 14959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle * limitations under the License. 15959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle */ 16959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle 17959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kylepackage dexfuzz.rawdex; 18959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle 19959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyleimport dexfuzz.Log; 20959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle 21959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyleimport java.io.IOException; 22959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle 23959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kylepublic class EncodedMethod implements RawDexObject { 24959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle public int methodIdxDiff; 25959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle public int accessFlags; 26959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle public Offset codeOff; 27959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle 28959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle @Override 29959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle public void read(DexRandomAccessFile file) throws IOException { 30959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle methodIdxDiff = file.readUleb128(); 31959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle accessFlags = file.readUleb128(); 32959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle codeOff = file.getOffsetTracker().getNewOffset(file.readUleb128()); 33959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle if (isNative()) { 34959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle Log.errorAndQuit("Sorry, DEX files with native methods are not supported yet."); 35959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle } 36959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle } 37959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle 38959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle @Override 39959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle public void write(DexRandomAccessFile file) throws IOException { 40959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle file.writeUleb128(methodIdxDiff); 41959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle file.writeUleb128(accessFlags); 42959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle file.getOffsetTracker().tryToWriteOffset(codeOff, file, true /* ULEB128 */); 43959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle } 44959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle 45959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle @Override 46959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle public void incrementIndex(IndexUpdateKind kind, int insertedIdx) { 47959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle // Do nothing. 48959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle // NB: our idx_diff is handled in ClassDataItem... 49959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle } 50959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle 51959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle public boolean isStatic() { 52959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle return ((accessFlags & Flag.ACC_STATIC.getValue()) != 0); 53959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle } 54959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle 55959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle public boolean isNative() { 56959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle return ((accessFlags & Flag.ACC_NATIVE.getValue()) != 0); 57959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle } 58959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle 59959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle /** 60959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle * Set/unset the static flag for this EncodedMethod. 61959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle */ 62959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle public void setStatic(boolean turnOn) { 63959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle if (turnOn) { 64959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle accessFlags |= Flag.ACC_STATIC.getValue(); 65959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle } else { 66959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle accessFlags &= ~(Flag.ACC_STATIC.getValue()); 67959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle } 68959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle } 69959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle 70959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle private static enum Flag { 71959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle ACC_PUBLIC(0x1), 72959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle ACC_PRIVATE(0x2), 73959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle ACC_PROTECTED(0x4), 74959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle ACC_STATIC(0x8), 75959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle ACC_FINAL(0x10), 76959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle ACC_SYNCHRONIZED(0x20), 77959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle ACC_VARARGS(0x80), 78959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle ACC_NATIVE(0x100), 79959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle ACC_ABSTRACT(0x400), 80959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle ACC_STRICT(0x800), 81959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle ACC_SYNTHETIC(0x1000), 82959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle ACC_ENUM(0x4000), 83959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle ACC_CONSTRUCTOR(0x10000); 84959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle 85959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle private int value; 86959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle 87959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle private Flag(int value) { 88959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle this.value = value; 89959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle } 90959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle 91959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle public int getValue() { 92959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle return value; 93959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle } 94959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle } 95959ffdf65f280ee90b7944a8dd610564e7f99e69Stephen Kyle} 96