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annotate graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/ForeignCallNode.java @ 15002:06e50d290784

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isAllowedUsageType on Nodes
author Lukas Stadler <lukas.stadler@oracle.com>
date Mon, 07 Apr 2014 11:32:08 +0200
parents 27c04ee36dcb
children 2c0cfbf454b5
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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.nodes.extended;
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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.*;
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28 import com.oracle.graal.api.meta.*;
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29 import com.oracle.graal.graph.*;
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30 import com.oracle.graal.nodes.*;
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31 import com.oracle.graal.nodes.spi.*;
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32 import com.oracle.graal.nodes.type.*;
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33
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34 /**
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35 * Node for a {@linkplain ForeignCallDescriptor foreign} call.
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36 */
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37 @NodeInfo(nameTemplate = "ForeignCall#{p#descriptor/s}", allowedUsageTypes = {InputType.Memory})
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38 public class ForeignCallNode extends AbstractMemoryCheckpoint implements LIRLowerable, DeoptimizingNode.DeoptDuring, MemoryCheckpoint.Multi {
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39
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40 @Input private final NodeInputList<ValueNode> arguments;
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41 @Input(InputType.State) private FrameState stateDuring;
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42 private final ForeignCallsProvider foreignCalls;
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43
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44 private final ForeignCallDescriptor descriptor;
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45
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46 public ForeignCallNode(@InjectedNodeParameter ForeignCallsProvider foreignCalls, ForeignCallDescriptor descriptor, ValueNode... arguments) {
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47 super(StampFactory.forKind(Kind.fromJavaClass(descriptor.getResultType())));
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48 this.arguments = new NodeInputList<>(this, arguments);
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49 this.descriptor = descriptor;
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50 this.foreignCalls = foreignCalls;
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51 }
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52
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53 public ForeignCallNode(@InjectedNodeParameter ForeignCallsProvider foreignCalls, ForeignCallDescriptor descriptor, List<ValueNode> arguments) {
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54 this(foreignCalls, descriptor, StampFactory.forKind(Kind.fromJavaClass(descriptor.getResultType())), arguments);
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55 }
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56
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57 public ForeignCallNode(@InjectedNodeParameter ForeignCallsProvider foreignCalls, ForeignCallDescriptor descriptor, Stamp stamp, List<ValueNode> arguments) {
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58 super(stamp);
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59 this.arguments = new NodeInputList<>(this, arguments);
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60 this.descriptor = descriptor;
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61 this.foreignCalls = foreignCalls;
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62 }
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63
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64 protected ForeignCallNode(@InjectedNodeParameter ForeignCallsProvider foreignCalls, ForeignCallDescriptor descriptor, Stamp stamp) {
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65 super(stamp);
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66 this.arguments = new NodeInputList<>(this);
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67 this.descriptor = descriptor;
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68 this.foreignCalls = foreignCalls;
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69 }
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70
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71 @Override
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72 public boolean hasSideEffect() {
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73 return !foreignCalls.isReexecutable(descriptor);
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74 }
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75
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76 public ForeignCallDescriptor getDescriptor() {
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77 return descriptor;
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78 }
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79
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80 @Override
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81 public LocationIdentity[] getLocationIdentities() {
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82 return foreignCalls.getKilledLocations(descriptor);
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83 }
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84
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85 protected Value[] operands(NodeLIRBuilderTool gen) {
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86 Value[] operands = new Value[arguments.size()];
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87 for (int i = 0; i < operands.length; i++) {
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88 operands[i] = gen.operand(arguments.get(i));
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89 }
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90 return operands;
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91 }
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92
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93 @Override
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94 public void generate(NodeLIRBuilderTool gen) {
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95 ForeignCallLinkage linkage = gen.getLIRGeneratorTool().getForeignCalls().lookupForeignCall(descriptor);
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96 Value[] operands = operands(gen);
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97 Value result = gen.getLIRGeneratorTool().emitForeignCall(linkage, this, operands);
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98 if (result != null) {
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99 gen.setResult(this, result);
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100 }
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101 }
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102
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103 @Override
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104 public FrameState stateDuring() {
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105 return stateDuring;
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106 }
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107
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108 @Override
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109 public void setStateDuring(FrameState stateDuring) {
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110 updateUsages(this.stateDuring, stateDuring);
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111 this.stateDuring = stateDuring;
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112 }
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113
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114 @Override
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115 public void computeStateDuring(FrameState stateAfter) {
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116 FrameState newStateDuring;
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117 if ((stateAfter.stackSize() > 0 && stateAfter.stackAt(stateAfter.stackSize() - 1) == this) || (stateAfter.stackSize() > 1 && stateAfter.stackAt(stateAfter.stackSize() - 2) == this)) {
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118 newStateDuring = stateAfter.duplicateModified(stateAfter.bci, stateAfter.rethrowException(), this.getKind());
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119 } else {
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120 newStateDuring = stateAfter;
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121 }
14783
01786db19f7d Rename deoptState fields to reflect whether they refer to a state before or during.
Roland Schatz <roland.schatz@oracle.com>
parents: 14734
diff changeset
122 setStateDuring(newStateDuring);
9793
b4f12c603be5 added support for the runtime to specify for each foreign call whether it is re-executable and what memory locations it kills
Doug Simon <doug.simon@oracle.com>
parents: 9792
diff changeset
123 }
b4f12c603be5 added support for the runtime to specify for each foreign call whether it is re-executable and what memory locations it kills
Doug Simon <doug.simon@oracle.com>
parents: 9792
diff changeset
124
b4f12c603be5 added support for the runtime to specify for each foreign call whether it is re-executable and what memory locations it kills
Doug Simon <doug.simon@oracle.com>
parents: 9792
diff changeset
125 @Override
5579
8e6622e1fb7e renamed node intrinsic methods in RuntimeCallNode to better distinguish return type
Doug Simon <doug.simon@oracle.com>
parents: 5547
diff changeset
126 public String toString(Verbosity verbosity) {
8e6622e1fb7e renamed node intrinsic methods in RuntimeCallNode to better distinguish return type
Doug Simon <doug.simon@oracle.com>
parents: 5547
diff changeset
127 if (verbosity == Verbosity.Name) {
6521
2a0c9f20baa1 consolidated framework for runtime and stub calls and moved declaration of descriptors for such calls to the source file in which they are used
Doug Simon <doug.simon@oracle.com>
parents: 6458
diff changeset
128 return super.toString(verbosity) + "#" + descriptor;
5579
8e6622e1fb7e renamed node intrinsic methods in RuntimeCallNode to better distinguish return type
Doug Simon <doug.simon@oracle.com>
parents: 5547
diff changeset
129 }
8e6622e1fb7e renamed node intrinsic methods in RuntimeCallNode to better distinguish return type
Doug Simon <doug.simon@oracle.com>
parents: 5547
diff changeset
130 return super.toString(verbosity);
8e6622e1fb7e renamed node intrinsic methods in RuntimeCallNode to better distinguish return type
Doug Simon <doug.simon@oracle.com>
parents: 5547
diff changeset
131 }
8892
2c0c708a0ad6 Introduce DeoptimizingNode interface
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 8394
diff changeset
132
2c0c708a0ad6 Introduce DeoptimizingNode interface
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 8394
diff changeset
133 @Override
2c0c708a0ad6 Introduce DeoptimizingNode interface
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 8394
diff changeset
134 public boolean canDeoptimize() {
12362
f53dc8bbb88c refactored isReexecutable(), getKilledLocations() and canDeoptimize() out of MetaAccessProvider into ForeignCallsProvider (GRAAL-511)
Doug Simon <doug.simon@oracle.com>
parents: 12361
diff changeset
135 return foreignCalls.canDeoptimize(descriptor);
8892
2c0c708a0ad6 Introduce DeoptimizingNode interface
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 8394
diff changeset
136 }
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
137 }