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annotate graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/jvmci/HotSpotStackFrameReference.java @ 21531:01319414783b

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added extension point for post Option parsing actions and used it to remove another JVMCI to non-JVMCI dependency (JBS:GRAAL-53)
author Doug Simon <doug.simon@oracle.com>
date Sun, 24 May 2015 13:11:53 +0200
parents 1da7aef31a08
children
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1 /*
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2 * Copyright (c) 2014, 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 com.oracle.graal.hotspot.jvmci;
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24
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25 import java.util.*;
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26
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27 import com.oracle.graal.api.code.stack.*;
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28 import com.oracle.graal.api.meta.*;
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29
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30 public class HotSpotStackFrameReference implements InspectedFrame {
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31
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32 private CompilerToVM compilerToVM;
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33
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34 // information used to find the stack frame
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35 private long stackPointer;
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36 private int frameNumber;
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37
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38 // information about the stack frame's contents
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39 private int bci;
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40 private long metaspaceMethod;
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41 private Object[] locals;
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42 private boolean[] localIsVirtual;
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43
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44 public long getStackPointer() {
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45 return stackPointer;
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46 }
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47
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48 public int getFrameNumber() {
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49 return frameNumber;
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50 }
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51
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52 @Override
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53 public Object getLocal(int index) {
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54 return locals[index];
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55 }
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56
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57 @Override
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58 public boolean isVirtual(int index) {
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59 return localIsVirtual == null ? false : localIsVirtual[index];
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60 }
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61
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62 @Override
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63 public void materializeVirtualObjects(boolean invalidateCode) {
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64 compilerToVM.materializeVirtualObjects(this, invalidateCode);
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65 }
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66
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67 @Override
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68 public int getBytecodeIndex() {
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69 return bci;
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70 }
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71
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72 @Override
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73 public ResolvedJavaMethod getMethod() {
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74 return HotSpotResolvedJavaMethodImpl.fromMetaspace(metaspaceMethod);
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75 }
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76
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77 @Override
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78 public boolean isMethod(ResolvedJavaMethod method) {
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79 return metaspaceMethod == ((HotSpotResolvedJavaMethodImpl) method).getMetaspaceMethod();
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80 }
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81
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82 @Override
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83 public boolean hasVirtualObjects() {
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84 return localIsVirtual != null;
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85 }
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86
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87 @Override
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88 public String toString() {
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89 return "HotSpotStackFrameReference [stackPointer=" + stackPointer + ", frameNumber=" + frameNumber + ", bci=" + bci + ", method=" + getMethod() + ", locals=" + Arrays.toString(locals) +
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90 ", localIsVirtual=" + Arrays.toString(localIsVirtual) + "]";
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91 }
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92 }