Mercurial > hg > graal-compiler
view graal/com.oracle.jvmci.code/src/com/oracle/jvmci/code/StackLockValue.java @ 21591:6c5327245831
LinearScan: fix intervals context.
author | Josef Eisl <josef.eisl@jku.at> |
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date | Fri, 29 May 2015 10:59:03 +0200 |
parents | f5b549811bac |
children |
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/* * Copyright (c) 2011, 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 com.oracle.jvmci.code; import com.oracle.jvmci.meta.JavaValue; import com.oracle.jvmci.meta.AbstractValue; import com.oracle.jvmci.meta.Value; import com.oracle.jvmci.meta.LIRKind; import static com.oracle.jvmci.code.ValueUtil.*; /** * Represents lock information in the debug information. */ public final class StackLockValue extends AbstractValue implements JavaValue { private Value owner; private StackSlotValue slot; private final boolean eliminated; public StackLockValue(Value object, StackSlotValue slot, boolean eliminated) { super(LIRKind.Illegal); this.owner = object; this.slot = slot; this.eliminated = eliminated; } public Value getOwner() { return owner; } public void setOwner(Value newOwner) { this.owner = newOwner; } public Value getSlot() { return slot; } public boolean isEliminated() { return eliminated; } @Override public String toString() { return "monitor[" + owner + (slot != null ? ", " + slot : "") + (eliminated ? ", eliminated" : "") + "]"; } @Override public int hashCode() { final int prime = 43; int result = super.hashCode(); result = prime * result + (eliminated ? 1231 : 1237); result = prime * result + owner.hashCode(); result = prime * result + slot.hashCode(); return result; } @Override public boolean equals(Object obj) { if (obj instanceof StackLockValue) { StackLockValue other = (StackLockValue) obj; return super.equals(obj) && eliminated == other.eliminated && owner.equals(other.owner) && slot.equals(other.slot); } return false; } public void setSlot(StackSlotValue stackSlot) { assert slot == null || (isVirtualStackSlot(slot) && (slot.equals(stackSlot) || isStackSlot(stackSlot))) : String.format("Can not set slot for %s to %s", this, stackSlot); slot = stackSlot; } }