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8187443: Forest Consolidation: Move files to unified layout
Reviewed-by: darcy, ihse
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parent
270fe13182
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56923 changed files with 3 additions and 15727 deletions
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/*
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* Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 8143628
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* @summary Test unsafe access for boolean
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*
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* @modules jdk.unsupported/sun.misc
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* @run testng/othervm -Diters=100 -Xint compiler.unsafe.SunMiscUnsafeAccessTestBoolean
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* @run testng/othervm -Diters=20000 -XX:TieredStopAtLevel=1 compiler.unsafe.SunMiscUnsafeAccessTestBoolean
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* @run testng/othervm -Diters=20000 -XX:-TieredCompilation compiler.unsafe.SunMiscUnsafeAccessTestBoolean
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* @run testng/othervm -Diters=20000 compiler.unsafe.SunMiscUnsafeAccessTestBoolean
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*/
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package compiler.unsafe;
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import org.testng.annotations.Test;
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import java.lang.reflect.Field;
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import static org.testng.Assert.*;
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public class SunMiscUnsafeAccessTestBoolean {
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static final int ITERS = Integer.getInteger("iters", 1);
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static final int WEAK_ATTEMPTS = Integer.getInteger("weakAttempts", 10);
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static final sun.misc.Unsafe UNSAFE;
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static final long V_OFFSET;
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static final Object STATIC_V_BASE;
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static final long STATIC_V_OFFSET;
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static int ARRAY_OFFSET;
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static int ARRAY_SHIFT;
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static {
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try {
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Field f = sun.misc.Unsafe.class.getDeclaredField("theUnsafe");
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f.setAccessible(true);
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UNSAFE = (sun.misc.Unsafe) f.get(null);
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} catch (Exception e) {
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throw new RuntimeException("Unable to get Unsafe instance.", e);
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}
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try {
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Field staticVField = SunMiscUnsafeAccessTestBoolean.class.getDeclaredField("static_v");
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STATIC_V_BASE = UNSAFE.staticFieldBase(staticVField);
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STATIC_V_OFFSET = UNSAFE.staticFieldOffset(staticVField);
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} catch (Exception e) {
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throw new RuntimeException(e);
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}
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try {
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Field vField = SunMiscUnsafeAccessTestBoolean.class.getDeclaredField("v");
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V_OFFSET = UNSAFE.objectFieldOffset(vField);
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} catch (Exception e) {
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throw new RuntimeException(e);
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}
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ARRAY_OFFSET = UNSAFE.arrayBaseOffset(boolean[].class);
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int ascale = UNSAFE.arrayIndexScale(boolean[].class);
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ARRAY_SHIFT = 31 - Integer.numberOfLeadingZeros(ascale);
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}
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static boolean static_v;
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boolean v;
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@Test
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public void testFieldInstance() {
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SunMiscUnsafeAccessTestBoolean t = new SunMiscUnsafeAccessTestBoolean();
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for (int c = 0; c < ITERS; c++) {
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testAccess(t, V_OFFSET);
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}
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}
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@Test
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public void testFieldStatic() {
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for (int c = 0; c < ITERS; c++) {
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testAccess(STATIC_V_BASE, STATIC_V_OFFSET);
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}
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}
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@Test
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public void testArray() {
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boolean[] array = new boolean[10];
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for (int c = 0; c < ITERS; c++) {
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for (int i = 0; i < array.length; i++) {
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testAccess(array, (((long) i) << ARRAY_SHIFT) + ARRAY_OFFSET);
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}
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}
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}
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static void testAccess(Object base, long offset) {
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// Plain
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{
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UNSAFE.putBoolean(base, offset, true);
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boolean x = UNSAFE.getBoolean(base, offset);
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assertEquals(x, true, "set boolean value");
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}
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// Volatile
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{
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UNSAFE.putBooleanVolatile(base, offset, false);
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boolean x = UNSAFE.getBooleanVolatile(base, offset);
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assertEquals(x, false, "putVolatile boolean value");
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}
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}
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}
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