Mercurial > hg > truffle
view graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/StubForeignCallNode.java @ 11787:4fc75b6ca3dd
Introduce NodeWithState for nodes that hold some VirtualState. Use this interface in the required special cases (Scheduling and PEA)
author | Gilles Duboscq <duboscq@ssw.jku.at> |
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date | Wed, 25 Sep 2013 12:08:04 +0200 |
parents | ae6f0c381087 |
children | 70f43f67cdcb |
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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 com.oracle.graal.api.code.*; import com.oracle.graal.api.meta.*; import com.oracle.graal.graph.*; import com.oracle.graal.nodes.*; import com.oracle.graal.nodes.extended.*; import com.oracle.graal.nodes.spi.*; import com.oracle.graal.nodes.type.*; /** * Node for a {@linkplain ForeignCallDescriptor foreign} call from within a stub. */ @NodeInfo(nameTemplate = "StubForeignCall#{p#descriptor/s}") public class StubForeignCallNode extends FixedWithNextNode implements DeoptimizingNode, LIRLowerable, MemoryCheckpoint.Multi { @Input private final NodeInputList<ValueNode> arguments; private final MetaAccessProvider runtime; @Input private FrameState deoptState; private final ForeignCallDescriptor descriptor; public StubForeignCallNode(MetaAccessProvider runtime, ForeignCallDescriptor descriptor, ValueNode... arguments) { super(StampFactory.forKind(Kind.fromJavaClass(descriptor.getResultType()))); this.arguments = new NodeInputList<>(this, arguments); this.descriptor = descriptor; this.runtime = runtime; } public ForeignCallDescriptor getDescriptor() { return descriptor; } @Override public LocationIdentity[] getLocationIdentities() { return runtime.getKilledLocations(descriptor); } protected Value[] operands(LIRGeneratorTool 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(LIRGeneratorTool gen) { assert graph().start() instanceof StubStartNode; ForeignCallLinkage linkage = gen.getRuntime().lookupForeignCall(descriptor); Value[] operands = operands(gen); Value result = gen.emitForeignCall(linkage, this, 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); } @Override public boolean canDeoptimize() { return false; } @Override public FrameState getDeoptimizationState() { return null; } @Override public void setDeoptimizationState(FrameState state) { } @Override public DeoptimizationReason getDeoptimizationReason() { return null; } public FrameState getState() { return deoptState; } }