1 /* 2 * Copyright (C) 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package art; 18 19 import java.util.ArrayList; 20 // Common Redefinition functions. Placed here for use by CTS 21 public class Redefinition { 22 public static class CommonClassDefinition { 23 public final Class<?> target; 24 public final byte[] class_file_bytes; 25 public final byte[] dex_file_bytes; 26 CommonClassDefinition(Class<?> target, byte[] class_file_bytes, byte[] dex_file_bytes)27 public CommonClassDefinition(Class<?> target, byte[] class_file_bytes, byte[] dex_file_bytes) { 28 this.target = target; 29 this.class_file_bytes = class_file_bytes; 30 this.dex_file_bytes = dex_file_bytes; 31 } 32 } 33 34 public static class DexOnlyClassDefinition extends CommonClassDefinition { DexOnlyClassDefinition(Class<?> target, byte[] dex_file_bytes)35 public DexOnlyClassDefinition(Class<?> target, byte[] dex_file_bytes) { 36 super(target, new byte[0], dex_file_bytes); 37 } 38 } 39 40 // A set of possible test configurations. Test should set this if they need to. 41 // This must be kept in sync with the defines in ti-agent/common_helper.cc 42 public static enum Config { 43 COMMON_REDEFINE(0), 44 COMMON_RETRANSFORM(1), 45 COMMON_TRANSFORM(2), 46 STRUCTURAL_TRANSFORM(3); 47 48 private final int val; Config(int val)49 private Config(int val) { 50 this.val = val; 51 } 52 } 53 setTestConfiguration(Config type)54 public static void setTestConfiguration(Config type) { 55 nativeSetTestConfiguration(type.val); 56 } 57 nativeSetTestConfiguration(int type)58 private static native void nativeSetTestConfiguration(int type); 59 60 // Transforms the class doCommonClassRedefinition(Class<?> target, byte[] classfile, byte[] dexfile)61 public static native void doCommonClassRedefinition(Class<?> target, 62 byte[] classfile, 63 byte[] dexfile); 64 doMultiClassRedefinition(CommonClassDefinition... defs)65 public static void doMultiClassRedefinition(CommonClassDefinition... defs) { 66 ArrayList<Class<?>> classes = new ArrayList<>(); 67 ArrayList<byte[]> class_files = new ArrayList<>(); 68 ArrayList<byte[]> dex_files = new ArrayList<>(); 69 70 for (CommonClassDefinition d : defs) { 71 classes.add(d.target); 72 class_files.add(d.class_file_bytes); 73 dex_files.add(d.dex_file_bytes); 74 } 75 doCommonMultiClassRedefinition(classes.toArray(new Class<?>[0]), 76 class_files.toArray(new byte[0][]), 77 dex_files.toArray(new byte[0][])); 78 } 79 addMultiTransformationResults(CommonClassDefinition... defs)80 public static void addMultiTransformationResults(CommonClassDefinition... defs) { 81 for (CommonClassDefinition d : defs) { 82 addCommonTransformationResult(d.target.getCanonicalName(), 83 d.class_file_bytes, 84 d.dex_file_bytes); 85 } 86 } 87 doCommonMultiClassRedefinition(Class<?>[] targets, byte[][] classfiles, byte[][] dexfiles)88 public static native void doCommonMultiClassRedefinition(Class<?>[] targets, 89 byte[][] classfiles, 90 byte[][] dexfiles); doCommonClassRetransformation(Class<?>.... target)91 public static native void doCommonClassRetransformation(Class<?>... target); setPopRetransformations(boolean pop)92 public static native void setPopRetransformations(boolean pop); popTransformationFor(String name)93 public static native void popTransformationFor(String name); enableCommonRetransformation(boolean enable)94 public static native void enableCommonRetransformation(boolean enable); addCommonTransformationResult(String target_name, byte[] class_bytes, byte[] dex_bytes)95 public static native void addCommonTransformationResult(String target_name, 96 byte[] class_bytes, 97 byte[] dex_bytes); 98 doCommonStructuralClassRedefinition(Class<?> target, byte[] dex_file)99 public static native void doCommonStructuralClassRedefinition(Class<?> target, byte[] dex_file); doMultiStructuralClassRedefinition(CommonClassDefinition... defs)100 public static void doMultiStructuralClassRedefinition(CommonClassDefinition... defs) { 101 ArrayList<Class<?>> classes = new ArrayList<>(); 102 ArrayList<byte[]> dex_files = new ArrayList<>(); 103 104 for (CommonClassDefinition d : defs) { 105 classes.add(d.target); 106 dex_files.add(d.dex_file_bytes); 107 } 108 doCommonMultiStructuralClassRedefinition(classes.toArray(new Class<?>[0]), 109 dex_files.toArray(new byte[0][])); 110 } doCommonMultiStructuralClassRedefinition(Class<?>[] targets, byte[][] dexfiles)111 public static native void doCommonMultiStructuralClassRedefinition(Class<?>[] targets, 112 byte[][] dexfiles); isStructurallyModifiable(Class<?> target)113 public static native boolean isStructurallyModifiable(Class<?> target); 114 } 115