Mercurial > hg > graal-jvmci-8
annotate jvmci/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotInstalledCode.java @ 23738:1140503536ae jvmci-0.19
Backport style fixes and comments from jdk9.
author | Roland Schatz <roland.schatz@oracle.com> |
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date | Fri, 12 Aug 2016 11:07:39 +0200 |
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1 /* |
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2 * Copyright (c) 2011, 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.hotspot; |
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24 |
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25 import static jdk.vm.ci.hotspot.UnsafeAccess.UNSAFE; |
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26 |
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27 import jdk.vm.ci.code.InstalledCode; |
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28 import sun.misc.Unsafe; |
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29 |
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30 /** |
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31 * Implementation of {@link InstalledCode} for HotSpot. |
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32 */ |
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33 public abstract class HotSpotInstalledCode extends InstalledCode { |
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34 |
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35 /** |
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36 * Total size of the code blob. |
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37 */ |
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38 @SuppressFBWarnings(value = "UWF_UNWRITTEN_FIELD", justification = "field is set by the native part") private int size; |
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39 |
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40 /** |
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41 * Start address of the code. |
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42 */ |
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43 @SuppressFBWarnings(value = "UWF_UNWRITTEN_FIELD", justification = "field is set by the native part") private long codeStart; |
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44 |
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45 /** |
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46 * Size of the code. |
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47 */ |
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48 @SuppressFBWarnings(value = "UWF_UNWRITTEN_FIELD", justification = "field is set by the native part") private int codeSize; |
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49 |
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50 public HotSpotInstalledCode(String name) { |
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51 super(name); |
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52 } |
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53 |
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54 /** |
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55 * @return the total size of this code blob |
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56 */ |
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57 public int getSize() { |
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58 return size; |
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59 } |
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60 |
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61 @Override |
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62 public abstract String toString(); |
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63 |
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64 @Override |
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65 public long getStart() { |
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66 return codeStart; |
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67 } |
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68 |
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69 public long getCodeSize() { |
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70 return codeSize; |
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71 } |
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72 |
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73 @Override |
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74 public byte[] getCode() { |
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75 if (!isValid()) { |
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76 return null; |
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77 } |
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78 byte[] code = new byte[codeSize]; |
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79 UNSAFE.copyMemory(null, codeStart, code, Unsafe.ARRAY_BYTE_BASE_OFFSET, codeSize); |
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80 return code; |
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81 } |
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82 } |