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annotate jvmci/jdk.vm.ci.code/src/jdk/vm/ci/code/site/DataSectionReference.java @ 22773:9273bb6ba33e

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Simplify code installation interface: Use CompiledCode class instead of CompilationResult and DataSection.
author Roland Schatz <roland.schatz@oracle.com>
date Fri, 15 Jan 2016 16:50:19 +0100
parents jvmci/jdk.vm.ci.code/src/jdk/vm/ci/code/CompilationResult.java@22110ef74a40
children 1d4ce2d19e52
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1 /*
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2 * Copyright (c) 2009, 2016, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23 package jdk.vm.ci.code.site;
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24
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25 public final class DataSectionReference extends Reference {
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26
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27 private boolean initialized;
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28 private int offset;
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29
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30 public DataSectionReference() {
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31 // will be set after the data section layout is fixed
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32 offset = 0xDEADDEAD;
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33 }
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34
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35 public int getOffset() {
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36 assert initialized;
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37
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38 return offset;
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39 }
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40
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41 public void setOffset(int offset) {
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42 assert !initialized;
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43 initialized = true;
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44
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45 this.offset = offset;
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46 }
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47
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48 @Override
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49 public int hashCode() {
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50 return offset;
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51 }
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52
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53 @Override
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54 public boolean equals(Object obj) {
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55 if (this == obj) {
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56 return true;
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57 }
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58 if (obj instanceof DataSectionReference) {
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59 DataSectionReference that = (DataSectionReference) obj;
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60 return this.offset == that.offset;
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61 }
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62 return false;
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63 }
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64
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65 @Override
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66 public String toString() {
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67 if (initialized) {
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68 return String.format("DataSection[0x%x]", offset);
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69 } else {
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70 return "DataSection[?]";
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71 }
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72 }
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73 }