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 * Copyright (c) 2026, NTT DATA
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
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 * published by the Free Software Foundation.
 *
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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import jtreg.SkippedException;

import jdk.test.lib.JDKToolFinder;
import jdk.test.lib.JDKToolLauncher;
import jdk.test.lib.Platform;
import jdk.test.lib.SA.SATestUtils;
import jdk.test.lib.Utils;
import jdk.test.lib.apps.LingeredApp;
import jdk.test.lib.process.OutputAnalyzer;
import jdk.test.lib.util.CoreUtils;

import jtreg.SkippedException;

/**
 * @test
 * @bug 8374482 8376264 8376284 8377395
 * @requires vm.hasSA
 * @requires vm.gc != "Z"
 * @requires os.family == "linux"
 * @requires os.arch == "amd64"
 * @library /test/lib
 * @run driver TestJhsdbJstackMixedCore
 */
public class TestJhsdbJstackMixedCore {

    private static void runJstackMixed(String coreFileName) throws Exception {
        JDKToolLauncher launcher = JDKToolLauncher.createUsingTestJDK("jhsdb");
        launcher.addVMArgs(Utils.getTestJavaOpts());
        launcher.addToolArg("jstack");
        launcher.addToolArg("--mixed");
        launcher.addToolArg("--exe");
        launcher.addToolArg(JDKToolFinder.getTestJDKTool("java"));
        launcher.addToolArg("--core");
        launcher.addToolArg(coreFileName);

        ProcessBuilder pb = SATestUtils.createProcessBuilder(launcher);
        Process jhsdb = pb.start();
        OutputAnalyzer out = new OutputAnalyzer(jhsdb);

        jhsdb.waitFor();

        System.out.println(out.getStdout());
        System.err.println(out.getStderr());

        out.shouldContain("__restore_rt <signal trampoline>");
        out.shouldContain("Java_jdk_test_lib_apps_LingeredApp_crash");
        out.shouldContain("jdk.test.lib.apps.LingeredApp.crash()");
    }

    public static void main(String... args) throws Throwable {
        if (Platform.isMusl()) {
            throw new SkippedException("This test does not work on musl libc.");
        }

        // Check whether the symbol of signal trampoline is available.
        var libc = SATestUtils.getLibCPath();

        // SA distinguishes the frame is signal trampoline if the function
        // is named "__restore_rt".
        // SA cannot unwind problematic frame from it if the symbol not found.
        if (!SATestUtils.isSymbolAvailable(libc, "__restore_rt")) {
            throw new SkippedException("Signal trampoline (__restore_rt) not found in libc.");
        }

        LingeredApp app = new LingeredApp();
        app.setForceCrash(true);
        LingeredApp.startApp(app, CoreUtils.getAlwaysPretouchArg(true));
        app.waitAppTerminate();

        String crashOutput = app.getOutput().getStdout();
        String coreFileName = CoreUtils.getCoreFileLocation(crashOutput, app.getPid());
        runJstackMixed(coreFileName);
    }
}