1 /*
   2  * Copyright (c) 2016, 2018, 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.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package jdk.jfr.event.runtime;
  27 
  28 import sun.hotspot.WhiteBox;
  29 import java.util.Objects;
  30 import jdk.test.lib.Platform;
  31 
  32 /**
  33  * @test
  34  * @bug 8153324
  35  * @summary Verify instrumented Throwable bytecode by compiling it with C1.
  36  *
  37  * @library /lib /
  38  *
  39  *
  40  * @build  sun.hotspot.WhiteBox
  41  * @run main ClassFileInstaller sun.hotspot.WhiteBox
  42  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI
  43  *                   -Xbatch -XX:StartFlightRecording=dumponexit=true jdk.jfr.event.runtime.TestThrowableInstrumentation
  44  */
  45 public class TestThrowableInstrumentation {
  46     private static final WhiteBox WHITE_BOX = WhiteBox.getWhiteBox();
  47     private static int COMP_LEVEL_SIMPLE = 1;
  48 
  49     private static boolean isTieredCompilationEnabled() {
  50         return Boolean.valueOf(Objects.toString(WHITE_BOX.getVMFlag("TieredCompilation")));
  51     }
  52 
  53     public static void main(String[] args) {
  54         // Compile Throwable::<clinit> with C1 (if available)
  55         if (!WHITE_BOX.enqueueInitializerForCompilation(java.lang.Throwable.class, COMP_LEVEL_SIMPLE)) {
  56           if (!Platform.isServer() || isTieredCompilationEnabled() || Platform.isEmulatedClient()) {
  57             throw new RuntimeException("Unable to compile Throwable::<clinit> with C1");
  58           }
  59         }
  60     }
  61 }