HotSpotNativeFunctionPointer.java

/*
 * Copyright (c) 2014, 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
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package org.graalvm.compiler.truffle.hotspot.nfi;

import com.oracle.nfi.api.NativeFunctionPointer;

public class HotSpotNativeFunctionPointer implements NativeFunctionPointer {

    final long value;
    final String name;

    public HotSpotNativeFunctionPointer(long value, String name) {
        if (value == 0) {
            throw new UnsatisfiedLinkError(name);
        }
        this.value = value;
        this.name = name;
    }

    @Override
    public String getName() {
        return name;
    }

    @Override
    public long getRawValue() {
        return value;
    }

    @Override
    public String toString() {
        return name + "@0x" + Long.toHexString(value);
    }
}