| /* |
| * Copyright (c) 2016, 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.code.site; |
| |
| import java.util.Objects; |
| |
| import jdk.vm.ci.meta.VMConstant; |
| |
| /** |
| * Represents a code site that references some data. The associated data can be either a |
| * {@link DataSectionReference reference} to the data section, or it may be an inlined |
| * {@link VMConstant} that needs to be patched. |
| */ |
| public final class DataPatch extends Site { |
| |
| public Reference reference; |
| public Object note; |
| |
| public DataPatch(int pcOffset, Reference reference) { |
| super(pcOffset); |
| this.reference = reference; |
| this.note = null; |
| } |
| |
| public DataPatch(int pcOffset, Reference reference, Object note) { |
| super(pcOffset); |
| this.reference = reference; |
| this.note = note; |
| } |
| |
| @Override |
| public String toString() { |
| if (note != null) { |
| return String.format("%d[<data patch referring to %s>, note: %s]", pcOffset, reference.toString(), note.toString()); |
| } else { |
| return String.format("%d[<data patch referring to %s>]", pcOffset, reference.toString()); |
| } |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) { |
| return true; |
| } |
| if (obj instanceof DataPatch) { |
| DataPatch that = (DataPatch) obj; |
| if (this.pcOffset == that.pcOffset && Objects.equals(this.reference, that.reference) && Objects.equals(this.note, that.note)) { |
| return true; |
| } |
| } |
| return false; |
| } |
| } |