1 /* 2 * Copyright (c) 2011, 2015, Oracle and/or its affiliates. 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 package jdk.vm.ci.code; 24 25 import jdk.vm.ci.meta.AllocatableValue; 26 import jdk.vm.ci.meta.JavaValue; 27 import jdk.vm.ci.meta.Value; 28 29 /** 30 * Represents lock information in the debug information. 31 */ 32 public final class StackLockValue implements JavaValue { 33 34 private JavaValue owner; 35 private AllocatableValue slot; 36 private final boolean eliminated; 37 38 public StackLockValue(JavaValue object, AllocatableValue slot, boolean eliminated) { 39 this.owner = object; 40 this.slot = slot; 41 this.eliminated = eliminated; 42 } 43 44 public JavaValue getOwner() { 45 return owner; 46 } 47 48 public void setOwner(JavaValue newOwner) { 49 this.owner = newOwner; 50 } 51 52 public Value getSlot() { 53 return slot; 54 } 55 56 public boolean isEliminated() { 57 return eliminated; 58 } 59 60 @Override 61 public String toString() { 62 return "monitor[" + owner + (slot != null ? ", " + slot : "") + (eliminated ? ", eliminated" : "") + "]"; 63 } 64 65 @Override 66 public int hashCode() { 67 final int prime = 43; 68 int result = super.hashCode(); 69 result = prime * result + (eliminated ? 1231 : 1237); 70 result = prime * result + owner.hashCode(); 71 result = prime * result + slot.hashCode(); 72 return result; 73 } 74 75 @Override 76 public boolean equals(Object obj) { 77 if (obj instanceof StackLockValue) { 78 StackLockValue other = (StackLockValue) obj; 79 return super.equals(obj) && eliminated == other.eliminated && owner.equals(other.owner) && slot.equals(other.slot); 80 } 81 return false; 82 } 83 84 public void setSlot(AllocatableValue stackSlot) { 85 slot = stackSlot; 86 } 87 }