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/*
* Copyright (C) 2017 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package art;
import java.util.ArrayList;
// Common Redefinition functions. Placed here for use by CTS
public class Redefinition {
public static class CommonClassDefinition {
public final Class<?> target;
public final byte[] class_file_bytes;
public final byte[] dex_file_bytes;
public CommonClassDefinition(Class<?> target, byte[] class_file_bytes, byte[] dex_file_bytes) {
this.target = target;
this.class_file_bytes = class_file_bytes;
this.dex_file_bytes = dex_file_bytes;
}
}
public static class DexOnlyClassDefinition extends CommonClassDefinition {
public DexOnlyClassDefinition(Class<?> target, byte[] dex_file_bytes) {
super(target, new byte[0], dex_file_bytes);
}
}
// A set of possible test configurations. Test should set this if they need to.
// This must be kept in sync with the defines in ti-agent/common_helper.cc
public static enum Config {
COMMON_REDEFINE(0),
COMMON_RETRANSFORM(1),
COMMON_TRANSFORM(2),
STRUCTURAL_TRANSFORM(3);
private final int val;
private Config(int val) {
this.val = val;
}
}
public static void setTestConfiguration(Config type) {
nativeSetTestConfiguration(type.val);
}
private static native void nativeSetTestConfiguration(int type);
// Transforms the class
public static native void doCommonClassRedefinition(Class<?> target,
byte[] classfile,
byte[] dexfile);
public static void doMultiClassRedefinition(CommonClassDefinition... defs) {
ArrayList<Class<?>> classes = new ArrayList<>();
ArrayList<byte[]> class_files = new ArrayList<>();
ArrayList<byte[]> dex_files = new ArrayList<>();
for (CommonClassDefinition d : defs) {
classes.add(d.target);
class_files.add(d.class_file_bytes);
dex_files.add(d.dex_file_bytes);
}
doCommonMultiClassRedefinition(classes.toArray(new Class<?>[0]),
class_files.toArray(new byte[0][]),
dex_files.toArray(new byte[0][]));
}
public static void addMultiTransformationResults(CommonClassDefinition... defs) {
for (CommonClassDefinition d : defs) {
addCommonTransformationResult(d.target.getCanonicalName(),
d.class_file_bytes,
d.dex_file_bytes);
}
}
public static native void doCommonMultiClassRedefinition(Class<?>[] targets,
byte[][] classfiles,
byte[][] dexfiles);
public static native void doCommonClassRetransformation(Class<?>... target);
public static native void setPopRetransformations(boolean pop);
public static native void popTransformationFor(String name);
public static native void enableCommonRetransformation(boolean enable);
public static native void addCommonTransformationResult(String target_name,
byte[] class_bytes,
byte[] dex_bytes);
public static native void doCommonStructuralClassRedefinition(Class<?> target, byte[] dex_file);
public static void doMultiStructuralClassRedefinition(CommonClassDefinition... defs) {
ArrayList<Class<?>> classes = new ArrayList<>();
ArrayList<byte[]> dex_files = new ArrayList<>();
for (CommonClassDefinition d : defs) {
classes.add(d.target);
dex_files.add(d.dex_file_bytes);
}
doCommonMultiStructuralClassRedefinition(classes.toArray(new Class<?>[0]),
dex_files.toArray(new byte[0][]));
}
public static native void doCommonMultiStructuralClassRedefinition(Class<?>[] targets,
byte[][] dexfiles);
public static native boolean isStructurallyModifiable(Class<?> target);
}
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