Mercurial > hg > truffle
view agent/src/share/classes/sun/jvm/hotspot/runtime/VMObject.java @ 4006:436b4a3231bf
7098194: integrate macosx-port changes
Summary: Integrate bsd-port/hotspot and macosx-port/hotspot changes as of 2011.09.29.
Reviewed-by: kvn, dholmes, never, phh
Contributed-by: Christos Zoulas <christos@zoulas.com>, Greg Lewis <glewis@eyesbeyond.com>, Kurt Miller <kurt@intricatesoftware.com>, Alexander Strange <astrange@apple.com>, Mike Swingler <swingler@apple.com>, Roger Hoover <rhoover@apple.com>, Victor Hernandez <vhernandez@apple.com>, Pratik Solanki <psolanki@apple.com>
author | dcubed |
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date | Thu, 13 Oct 2011 09:35:42 -0700 |
parents | c18cbe5936b8 |
children |
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/* * Copyright (c) 2000, 2002, 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 sun.jvm.hotspot.runtime; import sun.jvm.hotspot.debugger.*; import sun.jvm.hotspot.types.*; /** This is a base class for all VM runtime objects which wrap Addresses. The rationale is that without this in place, every class would have to implement equals() and hashCode() with boilerplate code, a practice which is inherently error-prone. */ public class VMObject { protected Address addr; /** All of the objects have this as their constructor's signature anyway */ public VMObject(Address addr) { this.addr = addr; } public String toString() { return getClass().getName() + "@" + addr; } public boolean equals(Object arg) { if (arg == null) { return false; } if (!getClass().equals(arg.getClass())) { return false; } VMObject obj = (VMObject) arg; if (!addr.equals(obj.addr)) { return false; } return true; } public int hashCode() { return addr.hashCode(); } public Address getAddress() { return addr; } }