001/*
002 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
003 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
004 *
005 * This code is free software; you can redistribute it and/or modify it
006 * under the terms of the GNU General Public License version 2 only, as
007 * published by the Free Software Foundation.
008 *
009 * This code is distributed in the hope that it will be useful, but WITHOUT
010 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
011 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
012 * version 2 for more details (a copy is included in the LICENSE file that
013 * accompanied this code).
014 *
015 * You should have received a copy of the GNU General Public License version
016 * 2 along with this work; if not, write to the Free Software Foundation,
017 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
018 *
019 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
020 * or visit www.oracle.com if you need additional information or have any
021 * questions.
022 */
023package com.oracle.graal.graphbuilderconf;
024
025import jdk.internal.jvmci.meta.*;
026
027import com.oracle.graal.compiler.common.spi.*;
028import com.oracle.graal.nodes.*;
029import com.oracle.graal.nodes.extended.*;
030
031/**
032 * {@link InvocationPlugin} for converting a method call directly to a foreign call.
033 */
034public final class ForeignCallPlugin implements InvocationPlugin {
035    private final ForeignCallsProvider foreignCalls;
036    private final ForeignCallDescriptor descriptor;
037
038    public ForeignCallPlugin(ForeignCallsProvider foreignCalls, ForeignCallDescriptor descriptor) {
039        this.foreignCalls = foreignCalls;
040        this.descriptor = descriptor;
041    }
042
043    public boolean execute(GraphBuilderContext b, ResolvedJavaMethod targetMethod, InvocationPlugin.Receiver receiver, ValueNode[] args) {
044        ForeignCallNode foreignCall = new ForeignCallNode(foreignCalls, descriptor, args);
045        foreignCall.setBci(b.bci());
046        b.addPush(targetMethod.getSignature().getReturnKind(), foreignCall);
047        return true;
048    }
049}