Mercurial > hg > truffle
annotate graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/StubForeignCallNode.java @ 11959:23ccaa863eda
made CodeCacheProvider independent of MetaAccessProvider (GRAAL-511)
author | Doug Simon <doug.simon@oracle.com> |
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date | Thu, 10 Oct 2013 16:14:55 +0200 |
parents | 70f43f67cdcb |
children | 0fc653a9e019 |
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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 com.oracle.graal.hotspot.nodes; |
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24 |
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25 import com.oracle.graal.api.code.*; |
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26 import com.oracle.graal.api.meta.*; |
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27 import com.oracle.graal.graph.*; |
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28 import com.oracle.graal.nodes.*; |
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29 import com.oracle.graal.nodes.extended.*; |
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30 import com.oracle.graal.nodes.spi.*; |
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31 import com.oracle.graal.nodes.type.*; |
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32 |
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33 /** |
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34 * Node for a {@linkplain ForeignCallDescriptor foreign} call from within a stub. |
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35 */ |
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36 @NodeInfo(nameTemplate = "StubForeignCall#{p#descriptor/s}") |
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37 public class StubForeignCallNode extends FixedWithNextNode implements LIRLowerable, MemoryCheckpoint.Multi { |
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38 |
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39 @Input private final NodeInputList<ValueNode> arguments; |
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40 private final MetaAccessProvider runtime; |
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41 |
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42 private final ForeignCallDescriptor descriptor; |
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43 |
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44 public StubForeignCallNode(MetaAccessProvider metaAccess, ForeignCallDescriptor descriptor, ValueNode... arguments) { |
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45 super(StampFactory.forKind(Kind.fromJavaClass(descriptor.getResultType()))); |
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46 this.arguments = new NodeInputList<>(this, arguments); |
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47 this.descriptor = descriptor; |
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48 this.runtime = metaAccess; |
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49 } |
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50 |
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51 public ForeignCallDescriptor getDescriptor() { |
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52 return descriptor; |
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53 } |
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54 |
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55 @Override |
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56 public LocationIdentity[] getLocationIdentities() { |
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57 return runtime.getKilledLocations(descriptor); |
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58 } |
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59 |
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60 protected Value[] operands(LIRGeneratorTool gen) { |
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61 Value[] operands = new Value[arguments.size()]; |
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62 for (int i = 0; i < operands.length; i++) { |
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63 operands[i] = gen.operand(arguments.get(i)); |
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64 } |
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65 return operands; |
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66 } |
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67 |
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68 @Override |
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69 public void generate(LIRGeneratorTool gen) { |
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70 assert graph().start() instanceof StubStartNode; |
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71 ForeignCallLinkage linkage = gen.getCodeCache().lookupForeignCall(descriptor); |
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72 Value[] operands = operands(gen); |
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73 Value result = gen.emitForeignCall(linkage, null, operands); |
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74 if (result != null) { |
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75 gen.setResult(this, result); |
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76 } |
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77 } |
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78 |
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79 @Override |
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80 public String toString(Verbosity verbosity) { |
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81 if (verbosity == Verbosity.Name) { |
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82 return super.toString(verbosity) + "#" + descriptor; |
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83 } |
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84 return super.toString(verbosity); |
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85 } |
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86 } |