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 disabled Runtime.fieldOffsetOf with 32-bit compressed oops
  27  * @library /test/lib
  28  *
  29  * @run main/othervm -Xmx128m
  30  *                   -XX:+UnlockDiagnosticVMOptions -XX:+AbortVMOnCompilationFailure -Xcheck:jni
  31  *                   -XX:-RuntimeFieldOf
  32  *                   -Xint
  33  *                   FieldOffsetOfDisabled
  34  *
  35  * @run main/othervm -Xmx128m
  36  *                   -XX:+UnlockDiagnosticVMOptions -XX:+AbortVMOnCompilationFailure -Xcheck:jni
  37  *                   -XX:-RuntimeFieldOf
  38  *                   -XX:TieredStopAtLevel=1
  39  *                   FieldOffsetOfDisabled
  40  *
  41  * @run main/othervm -Xmx128m
  42  *                   -XX:+UnlockDiagnosticVMOptions -XX:+AbortVMOnCompilationFailure -Xcheck:jni
  43  *                   -XX:-RuntimeFieldOf
  44  *                   -XX:-TieredCompilation
  45  *                   FieldOffsetOfDisabled
  46  */
  47 
  48 /*
  49  * @test
  50  * @summary Test for disabled Runtime.fieldOffsetOf 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:-RuntimeFieldOf
  57  *                   -Xint
  58  *                   FieldOffsetOfDisabled
  59  *
  60  * @run main/othervm -Xmx4g
  61  *                   -XX:+UnlockDiagnosticVMOptions -XX:+AbortVMOnCompilationFailure -Xcheck:jni
  62  *                   -XX:-RuntimeFieldOf
  63  *                   -XX:TieredStopAtLevel=1
  64  *                   FieldOffsetOfDisabled
  65  *
  66  * @run main/othervm -Xmx4g
  67  *                   -XX:+UnlockDiagnosticVMOptions -XX:+AbortVMOnCompilationFailure -Xcheck:jni
  68  *                   -XX:-RuntimeFieldOf
  69  *                   -XX:-TieredCompilation
  70  *                   FieldOffsetOfDisabled
  71  */
  72 
  73 /*
  74  * @test
  75  * @summary Test for disabled Runtime.fieldOffsetOf 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:-RuntimeFieldOf
  82  *                   -Xint
  83  *                   FieldOffsetOfDisabled
  84  *
  85  * @run main/othervm -Xmx128m -XX:-UseCompressedOops
  86  *                   -XX:+UnlockDiagnosticVMOptions -XX:+AbortVMOnCompilationFailure -Xcheck:jni
  87  *                   -XX:-RuntimeFieldOf
  88  *                   -XX:TieredStopAtLevel=1
  89  *                   FieldOffsetOfDisabled
  90  *
  91  * @run main/othervm -Xmx128m -XX:-UseCompressedOops
  92  *                   -XX:+UnlockDiagnosticVMOptions -XX:+AbortVMOnCompilationFailure -Xcheck:jni
  93  *                   -XX:-RuntimeFieldOf
  94  *                   -XX:-TieredCompilation
  95  *                   FieldOffsetOfDisabled
  96  */
  97 
  98 import java.lang.reflect.Field;
  99 
 100 public class FieldOffsetOfDisabled {
 101 
 102     public static void main(String ... args) throws Exception {
 103         testInstanceOffset();
 104         testStaticOffset();
 105     }
 106 
 107     private static void testInstanceOffset() throws Exception {
 108         Field f = Holder.class.getDeclaredField("x");
 109         for (int c = 0; c < RuntimeOfUtil.ITERS; c++) {
 110             RuntimeOfUtil.assertEquals(-1, Runtime.fieldOffsetOf(f));
 111         }
 112     }
 113 
 114     private static void testStaticOffset() throws Exception {
 115         Field f = Holder.class.getDeclaredField("staticX");
 116         for (int c = 0; c < RuntimeOfUtil.ITERS; c++) {
 117             RuntimeOfUtil.assertEquals(-1, Runtime.fieldOffsetOf(f));
 118         }
 119     }
 120 
 121     static class Holder {
 122         static int staticX;
 123         int x;
 124     }
 125 
 126 }