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.fieldSizeOf with 32-bit compressed oops 27 * @library /test/lib 28 * @requires vm.bits == 64 29 * 30 * @run main/othervm -Xmx128m 31 * -XX:+UnlockDiagnosticVMOptions -XX:+AbortVMOnCompilationFailure -Xcheck:jni 32 * -XX:-RuntimeFieldOf 33 * -Xint 34 * FieldSizeOfDisabled 35 * 36 * @run main/othervm -Xmx128m 37 * -XX:+UnlockDiagnosticVMOptions -XX:+AbortVMOnCompilationFailure -Xcheck:jni 38 * -XX:-RuntimeFieldOf 39 * -XX:TieredStopAtLevel=1 40 * FieldSizeOfDisabled 41 * 42 * @run main/othervm -Xmx128m 43 * -XX:+UnlockDiagnosticVMOptions -XX:+AbortVMOnCompilationFailure -Xcheck:jni 44 * -XX:-RuntimeFieldOf 45 * -XX:-TieredCompilation 46 * FieldSizeOfDisabled 47 */ 48 49 /* 50 * @test 51 * @summary Test for disabled Runtime.fieldSizeOf with zero-based compressed oops 52 * @library /test/lib 53 * @requires vm.bits == 64 54 * 55 * @run main/othervm -Xmx4g 56 * -XX:+UnlockDiagnosticVMOptions -XX:+AbortVMOnCompilationFailure -Xcheck:jni 57 * -XX:-RuntimeFieldOf 58 * -Xint 59 * FieldSizeOfDisabled 60 * 61 * @run main/othervm -Xmx4g 62 * -XX:+UnlockDiagnosticVMOptions -XX:+AbortVMOnCompilationFailure -Xcheck:jni 63 * -XX:-RuntimeFieldOf 64 * -XX:TieredStopAtLevel=1 65 * FieldSizeOfDisabled 66 * 67 * @run main/othervm -Xmx4g 68 * -XX:+UnlockDiagnosticVMOptions -XX:+AbortVMOnCompilationFailure -Xcheck:jni 69 * -XX:-RuntimeFieldOf 70 * -XX:-TieredCompilation 71 * FieldSizeOfDisabled 72 */ 73 74 /* 75 * @test 76 * @summary Test for disabled Runtime.fieldSizeOf without compressed oops 77 * @library /test/lib 78 * @requires vm.bits == 64 79 * 80 * @run main/othervm -Xmx128m -XX:-UseCompressedOops 81 * -XX:+UnlockDiagnosticVMOptions -XX:+AbortVMOnCompilationFailure -Xcheck:jni 82 * -XX:-RuntimeFieldOf 83 * -Xint 84 * FieldSizeOfDisabled 85 * 86 * @run main/othervm -Xmx128m -XX:-UseCompressedOops 87 * -XX:+UnlockDiagnosticVMOptions -XX:+AbortVMOnCompilationFailure -Xcheck:jni 88 * -XX:-RuntimeFieldOf 89 * -XX:TieredStopAtLevel=1 90 * FieldSizeOfDisabled 91 * 92 * @run main/othervm -Xmx128m -XX:-UseCompressedOops 93 * -XX:+UnlockDiagnosticVMOptions -XX:+AbortVMOnCompilationFailure -Xcheck:jni 94 * -XX:-RuntimeFieldOf 95 * -XX:-TieredCompilation 96 * FieldSizeOfDisabled 97 */ 98 99 import java.lang.reflect.Field; 100 101 public class FieldSizeOfDisabled { 102 103 public static void main(String ... args) throws Exception { 104 testInstanceOffset(); 105 testStaticOffset(); 106 } 107 108 private static void testInstanceOffset() throws Exception { 109 Field f = Holder.class.getDeclaredField("x"); 110 for (int c = 0; c < RuntimeOfUtil.ITERS; c++) { 111 RuntimeOfUtil.assertEquals(-1, Runtime.fieldSizeOf(f)); 112 } 113 } 114 115 private static void testStaticOffset() throws Exception { 116 Field f = Holder.class.getDeclaredField("staticX"); 117 for (int c = 0; c < RuntimeOfUtil.ITERS; c++) { 118 RuntimeOfUtil.assertEquals(-1, Runtime.fieldSizeOf(f)); 119 } 120 } 121 122 static class Holder { 123 static int staticX; 124 int x; 125 } 126 127 }