99 lines
3.3 KiB
Java
99 lines
3.3 KiB
Java
/*
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* Copyright (C) 2022 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import dalvik.system.DexFile;
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import dalvik.system.VMRuntime;
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import java.io.File;
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import java.io.IOException;
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public class Main {
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public static void main(String[] args) throws Exception {
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System.loadLibrary(args[0]);
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// Register the dex file so that the runtime can pick up which
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// dex file to compile for the image.
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File file = null;
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try {
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file = createTempFile();
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String codePath = DEX_LOCATION + "/846-multidex-data-image.jar";
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VMRuntime.registerAppInfo(
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"test.app",
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file.getPath(),
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file.getPath(),
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new String[] {codePath},
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VMRuntime.CODE_PATH_TYPE_PRIMARY_APK);
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} finally {
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if (file != null) {
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file.delete();
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}
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}
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if (!hasOatFile() || !hasImage()) {
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// We only generate an app image if there is at least a vdex file and a boot image.
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return;
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}
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if (args.length == 2 && "--second-run".equals(args[1])) {
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DexFile.OptimizationInfo info = VMRuntime.getBaseApkOptimizationInfo();
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if (!info.isOptimized()) {
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throw new Error("Expected image to be loaded");
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}
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}
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VMRuntime runtime = VMRuntime.getRuntime();
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runtime.notifyStartupCompleted();
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String filter = getCompilerFilter(Main.class);
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if ("speed-profile".equals(filter) || "speed".equals(filter)) {
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// We only generate an app image for filters that don't compile.
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return;
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}
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String instructionSet = VMRuntime.getCurrentInstructionSet();
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// Wait for the file to be generated.
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File image = new File(DEX_LOCATION + "/" + instructionSet + "/846-multidex-data-image.art");
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while (!image.exists()) {
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Thread.yield();
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}
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// Test that we can load a class from the other dex file. We do this after creating the image to
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// check that the runtime can deal with a missing dex cache.
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Class.forName("Foo");
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}
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private static native boolean hasOatFile();
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private static native boolean hasImage();
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private static native String getCompilerFilter(Class<?> cls);
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private static final String TEMP_FILE_NAME_PREFIX = "temp";
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private static final String TEMP_FILE_NAME_SUFFIX = "-file";
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private static final String DEX_LOCATION = System.getenv("DEX_LOCATION");
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private static File createTempFile() throws Exception {
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try {
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return File.createTempFile(TEMP_FILE_NAME_PREFIX, TEMP_FILE_NAME_SUFFIX);
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} catch (IOException e) {
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System.setProperty("java.io.tmpdir", "/data/local/tmp");
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try {
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return File.createTempFile(TEMP_FILE_NAME_PREFIX, TEMP_FILE_NAME_SUFFIX);
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} catch (IOException e2) {
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System.setProperty("java.io.tmpdir", "/sdcard");
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return File.createTempFile(TEMP_FILE_NAME_PREFIX, TEMP_FILE_NAME_SUFFIX);
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}
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}
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}
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}
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