1 /*
 2  * Copyright (c) 2022, 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  * @requires ((os.arch == "amd64" | os.arch == "x86_64") & sun.arch.data.model == "64") | os.arch == "aarch64"
27  * @modules jdk.incubator.foreign/jdk.internal.foreign
28  * @build NativeTestHelper CallGeneratorHelper TestUpcallBase
29  *
30  * @run testng/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:-VerifyDependencies
31  *   --enable-native-access=ALL-UNNAMED -Dgenerator.sample.factor=17
32  *   TestUpcallStack
33  */
34 
35 import jdk.incubator.foreign.FunctionDescriptor;
36 import jdk.incubator.foreign.NativeSymbol;
37 import jdk.incubator.foreign.ResourceScope;
38 import jdk.incubator.foreign.SegmentAllocator;
39 import org.testng.annotations.Test;
40 
41 import java.lang.invoke.MethodHandle;
42 import java.util.ArrayList;
43 import java.util.List;
44 import java.util.function.Consumer;
45 
46 public class TestUpcallStack extends TestUpcallBase {
47 
48     static {
49         System.loadLibrary("TestUpcallStack");
50     }
51 
52     @Test(dataProvider="functions", dataProviderClass=CallGeneratorHelper.class)
53     public void testUpcallsStack(int count, String fName, Ret ret, List<ParamType> paramTypes, List<StructFieldType> fields) throws Throwable {
54         List<Consumer<Object>> returnChecks = new ArrayList<>();
55         List<Consumer<Object[]>> argChecks = new ArrayList<>();
56         NativeSymbol addr = LOOKUP.lookup("s" + fName).get();
57         try (ResourceScope scope = ResourceScope.newConfinedScope()) {
58             SegmentAllocator allocator = SegmentAllocator.newNativeArena(scope);
59             MethodHandle mh = downcallHandle(ABI, addr, allocator, functionStack(ret, paramTypes, fields));
60             Object[] args = makeArgsStack(scope, ret, paramTypes, fields, returnChecks, argChecks);
61             Object[] callArgs = args;
62             Object res = mh.invokeWithArguments(callArgs);
63             argChecks.forEach(c -> c.accept(args));
64             if (ret == Ret.NON_VOID) {
65                 returnChecks.forEach(c -> c.accept(res));
66             }
67         }
68     }
69 
70     static FunctionDescriptor functionStack(Ret ret, List<ParamType> params, List<StructFieldType> fields) {
71         return function(ret, params, fields, STACK_PREFIX_LAYOUTS);
72     }
73 
74     static Object[] makeArgsStack(ResourceScope scope, Ret ret, List<ParamType> params, List<StructFieldType> fields, List<Consumer<Object>> checks, List<Consumer<Object[]>> argChecks) throws ReflectiveOperationException {
75         return makeArgs(scope, ret, params, fields, checks, argChecks, STACK_PREFIX_LAYOUTS);
76     }
77 
78 }