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 final class CommonClassDefinition { 23 public final Class<?> target; 24 public final byte[] class_file_bytes; 25 public final byte[] dex_file_bytes; 26 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 // A set of possible test configurations. Test should set this if they need to. 35 // This must be kept in sync with the defines in ti-agent/common_helper.cc 36 public static enum Config { 37 COMMON_REDEFINE(0), 38 COMMON_RETRANSFORM(1), 39 COMMON_TRANSFORM(2); 40 41 private final int val; 42 private Config(int val) { 43 this.val = val; 44 } 45 } 46 47 public static void setTestConfiguration(Config type) { 48 nativeSetTestConfiguration(type.val); 49 } 50 51 private static native void nativeSetTestConfiguration(int type); 52 53 // Transforms the class 54 public static native void doCommonClassRedefinition(Class<?> target, 55 byte[] classfile, 56 byte[] dexfile); 57 58 public static void doMultiClassRedefinition(CommonClassDefinition... defs) { 59 ArrayList<Class<?>> classes = new ArrayList<>(); 60 ArrayList<byte[]> class_files = new ArrayList<>(); 61 ArrayList<byte[]> dex_files = new ArrayList<>(); 62 63 for (CommonClassDefinition d : defs) { 64 classes.add(d.target); 65 class_files.add(d.class_file_bytes); 66 dex_files.add(d.dex_file_bytes); 67 } 68 doCommonMultiClassRedefinition(classes.toArray(new Class<?>[0]), 69 class_files.toArray(new byte[0][]), 70 dex_files.toArray(new byte[0][])); 71 } 72 73 public static void addMultiTransformationResults(CommonClassDefinition... defs) { 74 for (CommonClassDefinition d : defs) { 75 addCommonTransformationResult(d.target.getCanonicalName(), 76 d.class_file_bytes, 77 d.dex_file_bytes); 78 } 79 } 80 81 public static native void doCommonMultiClassRedefinition(Class<?>[] targets, 82 byte[][] classfiles, 83 byte[][] dexfiles); 84 public static native void doCommonClassRetransformation(Class<?>... target); 85 public static native void setPopRetransformations(boolean pop); 86 public static native void popTransformationFor(String name); 87 public static native void enableCommonRetransformation(boolean enable); 88 public static native void addCommonTransformationResult(String target_name, 89 byte[] class_bytes, 90 byte[] dex_bytes); 91 } 92
