1 /*
   2  * Copyright (c) 2020, Red Hat, Inc. 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  * @summary Test for Runtime.addressOf with 32-bit compressed oops
  27  * @library /test/lib
  28  *
  29  * @run main/othervm -Xmx128m
  30  *                   -XX:+UnlockDiagnosticVMOptions -XX:+AbortVMOnCompilationFailure -Xcheck:jni
  31  *                   -XX:CompileCommand=exclude,AddressOfStability::testInterpreted
  32  *                   -Xint
  33  *                   AddressOfStability
  34  *
  35  * @run main/othervm -Xmx128m
  36  *                   -XX:+UnlockDiagnosticVMOptions -XX:+AbortVMOnCompilationFailure -Xcheck:jni
  37  *                   -XX:CompileCommand=exclude,AddressOfStability::testInterpreted
  38  *                   -XX:TieredStopAtLevel=1
  39  *                   AddressOfStability
  40  *
  41  * @run main/othervm -Xmx128m
  42  *                   -XX:+UnlockDiagnosticVMOptions -XX:+AbortVMOnCompilationFailure -Xcheck:jni
  43  *                   -XX:CompileCommand=exclude,AddressOfStability::testInterpreted
  44  *                   -XX:-TieredCompilation
  45  *                   AddressOfStability
  46  */
  47 
  48 /*
  49  * @test
  50  * @summary Test for Runtime.addressOf with zero-based compressed oops
  51  * @library /test/lib
  52  * @requires vm.bits == 64
  53  *
  54  * @run main/othervm -Xmx4g
  55  *                   -XX:+UnlockDiagnosticVMOptions -XX:+AbortVMOnCompilationFailure -Xcheck:jni
  56  *                   -XX:CompileCommand=exclude,AddressOfStability::testInterpreted
  57  *                   -Xint
  58  *                   AddressOfStability
  59  *
  60  * @run main/othervm -Xmx4g
  61  *                   -XX:+UnlockDiagnosticVMOptions -XX:+AbortVMOnCompilationFailure -Xcheck:jni
  62  *                   -XX:CompileCommand=exclude,AddressOfStability::testInterpreted
  63  *                   -XX:TieredStopAtLevel=1
  64  *                   AddressOfStability
  65  *
  66  * @run main/othervm -Xmx4g
  67  *                   -XX:+UnlockDiagnosticVMOptions -XX:+AbortVMOnCompilationFailure -Xcheck:jni
  68  *                   -XX:CompileCommand=exclude,AddressOfStability::testInterpreted
  69  *                   -XX:-TieredCompilation
  70  *                   AddressOfStability
  71  */
  72 
  73 /*
  74  * @test
  75  * @summary Test for Runtime.addressOf without compressed oops
  76  * @library /test/lib
  77  * @requires vm.bits == 64
  78  *
  79  * @run main/othervm -Xmx128m -XX:-UseCompressedOops
  80  *                   -XX:+UnlockDiagnosticVMOptions -XX:+AbortVMOnCompilationFailure -Xcheck:jni
  81  *                   -XX:CompileCommand=exclude,AddressOfStability::testInterpreted
  82  *                   -Xint
  83  *                   AddressOfStability
  84  *
  85  * @run main/othervm -Xmx128m -XX:-UseCompressedOops
  86  *                   -XX:+UnlockDiagnosticVMOptions -XX:+AbortVMOnCompilationFailure -Xcheck:jni
  87  *                   -XX:CompileCommand=exclude,AddressOfStability::testInterpreted
  88  *                   -XX:TieredStopAtLevel=1
  89  *                   AddressOfStability
  90  *
  91  * @run main/othervm -Xmx128m -XX:-UseCompressedOops
  92  *                   -XX:+UnlockDiagnosticVMOptions -XX:+AbortVMOnCompilationFailure -Xcheck:jni
  93  *                   -XX:CompileCommand=exclude,AddressOfStability::testInterpreted
  94  *                   -XX:-TieredCompilation
  95  *                   AddressOfStability
  96  */
  97 
  98 import java.lang.reflect.Field;
  99 
 100 public class AddressOfStability {
 101 
 102     public static void main(String ... args) throws Exception {
 103         Object o = new Object();
 104         for (int c = 0; c < RuntimeOfUtil.ITERS; c++) {
 105             long addrInt1 = testInterpreted(o);
 106             long addrComp = testCompiled(o);
 107             long addrInt2 = testInterpreted(o);
 108 
 109             if (addrInt1 == addrInt2) {
 110                 // No moves were detected, compare with compiled.
 111                 RuntimeOfUtil.assertEquals(addrInt1, addrComp);
 112             }
 113         }
 114     }
 115 
 116     private static long testCompiled(Object o) {
 117         return Runtime.addressOf(o);
 118     }
 119 
 120     private static long testInterpreted(Object o) {
 121         return Runtime.addressOf(o);
 122     }
 123 
 124 }