Mercurial > hg > graal-jvmci-8
view jvmci/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotReferenceMap.java @ 24234:ea6f94ab283b default tip
Added tag jvmci-0.36 for changeset 8128b98d4736
author | Gilles Duboscq <gilles.m.duboscq@oracle.com> |
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date | Mon, 18 Sep 2017 18:49:45 +0200 |
parents | 9e1235406b59 |
children |
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/* * Copyright (c) 2009, 2015, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package jdk.vm.ci.hotspot; import java.util.Arrays; import jdk.vm.ci.code.Location; import jdk.vm.ci.code.ReferenceMap; /** * Describes where the object references are in machine state, compliant with what HotSpot expects. */ public final class HotSpotReferenceMap extends ReferenceMap { private final Location[] objects; private final Location[] derivedBase; private final int[] sizeInBytes; private final int maxRegisterSize; /** * * @param objects This array is now owned by this object and must not be mutated by the caller. * @param derivedBase This array is now owned by this object and must not be mutated by the * caller. * @param sizeInBytes This array is now owned by this object and must not be mutated by the * caller. */ @SuppressFBWarnings(value = "EI_EXPOSE_REP2", justification = "caller transfers ownership of `objects`, `derivedBase` and `sizeInBytes`") public HotSpotReferenceMap(Location[] objects, Location[] derivedBase, int[] sizeInBytes, int maxRegisterSize) { this.objects = objects; this.derivedBase = derivedBase; this.sizeInBytes = sizeInBytes; this.maxRegisterSize = maxRegisterSize; } @Override public int hashCode() { throw new UnsupportedOperationException(); } @Override public boolean equals(Object obj) { if (this == obj) { return true; } if (obj instanceof HotSpotReferenceMap) { HotSpotReferenceMap that = (HotSpotReferenceMap) obj; if (sizeInBytes == that.sizeInBytes && maxRegisterSize == that.maxRegisterSize && Arrays.equals(objects, that.objects) && Arrays.equals(derivedBase, that.derivedBase)) { return true; } } return false; } @Override public String toString() { return Arrays.toString(objects); } }