1 /* 2 * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* 25 * @test 26 */ 27 28 import java.lang.invoke.MethodHandles; 29 import java.nicl.*; 30 import java.nicl.metadata.*; 31 32 public class Hello { 33 @NativeHeader(libraries = { "Hello" }) 34 static interface hello { 35 @C(file="dummy", line=1, column=1, USR="c:@F@func") 36 @NativeType(layout="()I", ctype="dummy", size=1) 37 @CallingConvention(value=1) 38 public abstract int func(); 39 } 40 41 public static void main(String[] args) { 42 // "hello" library mentioned already in annotation (LibraryDependencies) 43 // No need to explicitly call Libraries.loadLibrary! 44 hello i = Libraries.bind(MethodHandles.lookup(), hello.class); 45 int value = i.func(); 46 if (value != 42) { 47 throw new RuntimeException("Expected 42, but got " + i); 48 } 49 } 50 } --- EOF ---