xref: /aosp_15_r20/art/test/732-checker-app-image/src/Main.java (revision 795d594fd825385562da6b089ea9b2033f3abf5a)

/*
 * Copyright (C) 2024 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.
 */

import java.lang.reflect.Constructor;
import java.lang.reflect.Method;

public class Main {
    public static String TEST_NAME = "732-checker-app-image";

    public static ClassLoader getSecondaryClassLoader() throws Exception {
        String location = System.getenv("DEX_LOCATION");
        try {
            Class<?> class_loader_class = Class.forName("dalvik.system.PathClassLoader");
            Constructor<?> ctor =
                    class_loader_class.getConstructor(String.class, ClassLoader.class);
            return (ClassLoader) ctor.newInstance(location + "/" + TEST_NAME + "-ex.jar",
                                                  Main.class.getClassLoader());
        } catch (ClassNotFoundException e) {
            // Running on RI. Use URLClassLoader.
            return new java.net.URLClassLoader(
                    new java.net.URL[] { new java.net.URL("file://" + location + "/classes-ex/") });
        }
    }

    public static void main(String args[]) throws Exception {
        System.out.println($noinline$getAppImageClass().getName());
        System.out.println($noinline$getNonAppImageClass().getName());

        $noinline$callAppImageClassNop();
        $noinline$callAppImageClassWithClinitNop();
        $noinline$callNonAppImageClassNop();

        ClassLoader secondaryLoader = getSecondaryClassLoader();
        Class<?> secondaryClass = Class.forName("Secondary", true, secondaryLoader);
        Method secondaryMain = secondaryClass.getMethod("main");
        secondaryMain.invoke(null);
    }

    /// CHECK-START: java.lang.Class Main.$noinline$getAppImageClass() builder (after)
    /// CHECK:            LoadClass load_kind:AppImageRelRo in_image:true
    public static Class<?> $noinline$getAppImageClass() {
        return AppImageClass.class;
    }

    /// CHECK-START: java.lang.Class Main.$noinline$getNonAppImageClass() builder (after)
    /// CHECK:            LoadClass load_kind:BssEntry in_image:false
    public static Class<?> $noinline$getNonAppImageClass() {
        return NonAppImageClass.class;
    }

    /// CHECK-START: void Main.$noinline$callAppImageClassNop() builder (after)
    /// CHECK:            InvokeStaticOrDirect clinit_check:none

    /// CHECK-START: void Main.$noinline$callAppImageClassNop() builder (after)
    /// CHECK-NOT:        LoadClass
    /// CHECK-NOT:        ClinitCheck

    /// CHECK-START: void Main.$noinline$callAppImageClassNop() inliner (after)
    /// CHECK-NOT:        LoadClass
    /// CHECK-NOT:        ClinitCheck
    /// CHECK-NOT:        InvokeStaticOrDirect
    public static void $noinline$callAppImageClassNop() {
        AppImageClass.$inline$nop();
    }

    /// CHECK-START: void Main.$noinline$callAppImageClassWithClinitNop() builder (after)
    /// CHECK:            LoadClass load_kind:AppImageRelRo in_image:true gen_clinit_check:false
    /// CHECK:            ClinitCheck
    /// CHECK:            InvokeStaticOrDirect clinit_check:explicit

    /// CHECK-START: void Main.$noinline$callAppImageClassWithClinitNop() inliner (after)
    /// CHECK:            LoadClass load_kind:AppImageRelRo in_image:true gen_clinit_check:false
    /// CHECK:            ClinitCheck

    /// CHECK-START: void Main.$noinline$callAppImageClassWithClinitNop() inliner (after)
    /// CHECK-NOT:        InvokeStaticOrDirect

    /// CHECK-START: void Main.$noinline$callAppImageClassWithClinitNop() prepare_for_register_allocation (after)
    /// CHECK:            LoadClass load_kind:AppImageRelRo in_image:true gen_clinit_check:false
    /// CHECK:            ClinitCheck
    public static void $noinline$callAppImageClassWithClinitNop() {
        AppImageClassWithClinit.$inline$nop();
    }

    /// CHECK-START: void Main.$noinline$callNonAppImageClassNop() builder (after)
    /// CHECK:            LoadClass load_kind:BssEntry in_image:false gen_clinit_check:false
    /// CHECK:            ClinitCheck
    /// CHECK:            InvokeStaticOrDirect clinit_check:explicit

    /// CHECK-START: void Main.$noinline$callNonAppImageClassNop() inliner (after)
    /// CHECK:            LoadClass load_kind:BssEntry in_image:false gen_clinit_check:false
    /// CHECK:            ClinitCheck

    /// CHECK-START: void Main.$noinline$callNonAppImageClassNop() inliner (after)
    /// CHECK-NOT:        InvokeStaticOrDirect

    /// CHECK-START: void Main.$noinline$callNonAppImageClassNop() prepare_for_register_allocation (after)
    /// CHECK:            LoadClass load_kind:BssEntry in_image:false gen_clinit_check:true

    /// CHECK-START: void Main.$noinline$callNonAppImageClassNop() prepare_for_register_allocation (after)
    /// CHECK-NOT:        ClinitCheck
    public static void $noinline$callNonAppImageClassNop() {
        NonAppImageClass.$inline$nop();
    }
}

class AppImageClass {  // Included in the profile.
    public static void $inline$nop() {}
}

class AppImageClassWithClinit {  // Included in the profile.
    static boolean doThrow = false;
    static {
        if (doThrow) {
            throw new Error();
        }
    }

    public static void $inline$nop() {}
}

class NonAppImageClass {  // Not included in the profile.
    public static void $inline$nop() {}
}