Mercurial > hg > graal-compiler
view graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/StubForeignCallNode.java @ 16919:0fe4732e5181
made use of generated Node classes predicated on value of graal.useGeneratedNodes system property (default is false)
author | Doug Simon <doug.simon@oracle.com> |
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date | Mon, 25 Aug 2014 13:45:12 +0200 |
parents | f90dcdbbb75e |
children | ffb974bef674 |
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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.hotspot.nodes; 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.hotspot.replacements.*; import com.oracle.graal.nodeinfo.*; import com.oracle.graal.nodes.*; import com.oracle.graal.nodes.extended.*; import com.oracle.graal.nodes.spi.*; /** * Node for a {@linkplain ForeignCallDescriptor foreign} call from within a stub. */ @NodeInfo(nameTemplate = "StubForeignCall#{p#descriptor/s}", allowedUsageTypes = {InputType.Memory}) public class StubForeignCallNode extends FixedWithNextNode implements LIRLowerable, MemoryCheckpoint.Multi { @Input NodeInputList<ValueNode> arguments; private final ForeignCallsProvider foreignCalls; private final ForeignCallDescriptor descriptor; public static StubForeignCallNode create(@InjectedNodeParameter ForeignCallsProvider foreignCalls, ForeignCallDescriptor descriptor, ValueNode... arguments) { return USE_GENERATED_NODES ? new StubForeignCallNodeGen(foreignCalls, descriptor, arguments) : new StubForeignCallNode(foreignCalls, descriptor, arguments); } protected StubForeignCallNode(@InjectedNodeParameter 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 ForeignCallDescriptor getDescriptor() { return descriptor; } @Override public LocationIdentity[] getLocationIdentities() { LocationIdentity[] killedLocations = foreignCalls.getKilledLocations(descriptor); killedLocations = Arrays.copyOf(killedLocations, killedLocations.length + 1); killedLocations[killedLocations.length - 1] = HotSpotReplacementsUtil.PENDING_EXCEPTION_LOCATION; return killedLocations; } 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) { assert graph().start() instanceof StubStartNode; ForeignCallLinkage linkage = foreignCalls.lookupForeignCall(descriptor); Value[] operands = operands(gen); Value result = gen.getLIRGeneratorTool().emitForeignCall(linkage, null, operands); if (result != null) { gen.setResult(this, result); } } @Override public String toString(Verbosity verbosity) { if (verbosity == Verbosity.Name) { return super.toString(verbosity) + "#" + descriptor; } return super.toString(verbosity); } }