1 /*
   2  * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 /*
  25  * @test
  26  * @bug 8067744
  27  * @library /test/lib
  28  * @modules java.base/jdk.internal.misc
  29  * @run main/native FPRegs
  30  */
  31 
  32 import jdk.test.lib.Platform;
  33 import jdk.test.lib.Utils;
  34 import jdk.test.lib.process.ProcessTools;
  35 import jdk.test.lib.process.OutputAnalyzer;
  36 
  37 import java.io.File;
  38 import java.io.IOException;
  39 import java.nio.file.Files;
  40 import java.nio.file.Path;
  41 import java.nio.file.Paths;
  42 import java.util.Optional;
  43 
  44 public class FPRegs {
  45     public static void main(String[] args) throws IOException {
  46         Path launcher = Paths.get(System.getProperty("test.nativepath"), "FPRegs" + (Platform.isWindows() ? ".exe" : ""));
  47         System.out.println("Launcher = " + launcher + (Files.exists(launcher) ? " (exists)" : " (not exists)"));
  48         Path jvmLib = findJVM();
  49         ProcessBuilder pb = new ProcessBuilder(launcher.toString(), jvmLib.toString());
  50         // bin as working directory to let Windows load dll
  51         pb.directory(jvmLib.getParent().getParent().toFile());
  52         OutputAnalyzer outputf = new OutputAnalyzer(pb.start());
  53         outputf.shouldHaveExitValue(0);
  54     }
  55 
  56     static Path findJVM() throws IOException {
  57         String root = Utils.TEST_JDK;
  58         String lib = System.mapLibraryName("jvm");
  59         System.out.println("Root = " + root);
  60         System.out.println("Library = " + lib);
  61 
  62         Optional<Path> jvmLib = Files.find(new File(root).toPath(), 4, (p, attr) -> p.toFile().getName().equals(lib)).findFirst();
  63         Path p = null;
  64         if (jvmLib.isPresent()) {
  65             p = jvmLib.get().toRealPath();
  66             System.out.println("JVM = " + p);
  67         } else {
  68             System.out.println("TESTBUG: JVM not found in ");
  69             Files.walk(new File(root).toPath(), 4).map(Path::toString).forEach(System.out::println);
  70         }
  71         return p;
  72     }
  73 }
  74