Mercurial > hg > graal-jvmci-8
annotate jvmci/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotStackFrameReference.java @ 22679:4688478ecb7b
Make space in frame for native callee to spill outgoing parameters
author | Stefan Anzinger <stefan.anzinger@oracle.com> |
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date | Tue, 13 Oct 2015 17:07:59 +0200 |
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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 jdk.vm.ci.hotspot; |
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24 |
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25 import java.util.Arrays; |
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26 |
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27 import jdk.vm.ci.code.stack.InspectedFrame; |
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28 import jdk.vm.ci.meta.ResolvedJavaMethod; |
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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 HotSpotResolvedJavaMethod method; |
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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 method; |
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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 otherMethod) { |
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79 return method.equals(otherMethod); |
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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 } |