Mercurial > hg > graal-jvmci-8
view graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/ForeignCallNode.java @ 17328:c9bb0da795d4
Backed out of changeset 17322:655f3e6b467b
author | Doug Simon <doug.simon@oracle.com> |
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date | Fri, 03 Oct 2014 14:19:58 +0200 |
parents | 655f3e6b467b |
children | 45b45f902bed |
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/* * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package com.oracle.graal.nodes.extended; import java.util.*; import com.oracle.graal.api.code.*; import com.oracle.graal.api.meta.*; import com.oracle.graal.compiler.common.type.*; import com.oracle.graal.graph.*; import com.oracle.graal.nodeinfo.*; import com.oracle.graal.nodes.*; import com.oracle.graal.nodes.spi.*; /** * Node for a {@linkplain ForeignCallDescriptor foreign} call. */ @NodeInfo(nameTemplate = "ForeignCall#{p#descriptor/s}", allowedUsageTypes = {InputType.Memory}) public class ForeignCallNode extends AbstractMemoryCheckpoint implements LIRLowerable, DeoptimizingNode.DeoptDuring, MemoryCheckpoint.Multi { @Input protected NodeInputList<ValueNode> arguments; @OptionalInput(InputType.State) protected FrameState stateDuring; protected final ForeignCallsProvider foreignCalls; protected final ForeignCallDescriptor descriptor; public static ForeignCallNode create(@InjectedNodeParameter ForeignCallsProvider foreignCalls, ForeignCallDescriptor descriptor, ValueNode... arguments) { return USE_GENERATED_NODES ? new ForeignCallNodeGen(foreignCalls, descriptor, arguments) : new ForeignCallNode(foreignCalls, descriptor, arguments); } protected ForeignCallNode(ForeignCallsProvider foreignCalls, ForeignCallDescriptor descriptor, ValueNode... arguments) { super(StampFactory.forKind(Kind.fromJavaClass(descriptor.getResultType()))); this.arguments = new NodeInputList<>(this, arguments); this.descriptor = descriptor; this.foreignCalls = foreignCalls; } public static ForeignCallNode create(ForeignCallsProvider foreignCalls, ForeignCallDescriptor descriptor, List<ValueNode> arguments) { return USE_GENERATED_NODES ? new ForeignCallNodeGen(foreignCalls, descriptor, arguments) : new ForeignCallNode(foreignCalls, descriptor, arguments); } protected ForeignCallNode(ForeignCallsProvider foreignCalls, ForeignCallDescriptor descriptor, List<ValueNode> arguments) { this(foreignCalls, descriptor, StampFactory.forKind(Kind.fromJavaClass(descriptor.getResultType())), arguments); } public static ForeignCallNode create(@InjectedNodeParameter ForeignCallsProvider foreignCalls, ForeignCallDescriptor descriptor, Stamp stamp, List<ValueNode> arguments) { return USE_GENERATED_NODES ? new ForeignCallNodeGen(foreignCalls, descriptor, stamp, arguments) : new ForeignCallNode(foreignCalls, descriptor, stamp, arguments); } protected ForeignCallNode(ForeignCallsProvider foreignCalls, ForeignCallDescriptor descriptor, Stamp stamp, List<ValueNode> arguments) { super(stamp); this.arguments = new NodeInputList<>(this, arguments); this.descriptor = descriptor; this.foreignCalls = foreignCalls; } public static ForeignCallNode create(@InjectedNodeParameter ForeignCallsProvider foreignCalls, ForeignCallDescriptor descriptor, Stamp stamp) { return USE_GENERATED_NODES ? new ForeignCallNodeGen(foreignCalls, descriptor, stamp) : new ForeignCallNode(foreignCalls, descriptor, stamp); } protected ForeignCallNode(ForeignCallsProvider foreignCalls, ForeignCallDescriptor descriptor, Stamp stamp) { super(stamp); this.arguments = new NodeInputList<>(this); this.descriptor = descriptor; this.foreignCalls = foreignCalls; } @Override public boolean hasSideEffect() { return !foreignCalls.isReexecutable(descriptor); } public ForeignCallDescriptor getDescriptor() { return descriptor; } @Override public LocationIdentity[] getLocationIdentities() { return foreignCalls.getKilledLocations(descriptor); } protected Value[] operands(NodeLIRBuilderTool gen) { Value[] operands = new Value[arguments.size()]; for (int i = 0; i < operands.length; i++) { operands[i] = gen.operand(arguments.get(i)); } return operands; } @Override public void generate(NodeLIRBuilderTool gen) { ForeignCallLinkage linkage = gen.getLIRGeneratorTool().getForeignCalls().lookupForeignCall(descriptor); Value[] operands = operands(gen); Value result = gen.getLIRGeneratorTool().emitForeignCall(linkage, gen.state(this), operands); if (result != null) { gen.setResult(this, result); } } @Override public FrameState stateDuring() { return stateDuring; } @Override public void setStateDuring(FrameState stateDuring) { updateUsages(this.stateDuring, stateDuring); this.stateDuring = stateDuring; } @Override public void computeStateDuring(FrameState currentStateAfter) { FrameState newStateDuring; if ((currentStateAfter.stackSize() > 0 && currentStateAfter.stackAt(currentStateAfter.stackSize() - 1) == this) || (currentStateAfter.stackSize() > 1 && currentStateAfter.stackAt(currentStateAfter.stackSize() - 2) == this)) { newStateDuring = currentStateAfter.duplicateModified(currentStateAfter.bci, currentStateAfter.rethrowException(), this.getKind()); } else { newStateDuring = currentStateAfter; } setStateDuring(newStateDuring); } @Override public String toString(Verbosity verbosity) { if (verbosity == Verbosity.Name) { return super.toString(verbosity) + "#" + descriptor; } return super.toString(verbosity); } @Override public boolean canDeoptimize() { return foreignCalls.canDeoptimize(descriptor); } }