/*
* Copyright (c) 2017, 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. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* 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.
*
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package com.oracle.truffle.nfi;
import com.oracle.truffle.api.interop.ForeignAccess;
import com.oracle.truffle.api.interop.TruffleObject;
import com.oracle.truffle.nfi.LibFFIType.Direction;
class LibFFIFunction implements TruffleObject {
private final NativePointer symbol;
private final LibFFISignature signature;
LibFFIFunction(NativePointer symbol, LibFFISignature signature) {
if (signature.getAllowedCallDirection() == Direction.NATIVE_TO_JAVA_ONLY) {
throw new IllegalArgumentException("signature is only valid for native to Java callbacks");
}
this.symbol = symbol;
this.signature = signature;
}
public LibFFISignature getSignature() {
return signature;
}
public long getAddress() {
return symbol.nativePointer;
}
@Override
public ForeignAccess getForeignAccess() {
return LibFFIFunctionMessageResolutionForeign.ACCESS;
}
}