1 /*
2 * Copyright (c) 2022, 2023, 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 * @modules java.base/jdk.internal.foreign
27 * @build NativeTestHelper CallGeneratorHelper TestDowncallBase
28 *
29 * @run testng/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:-VerifyDependencies
30 * --enable-native-access=ALL-UNNAMED -Dgenerator.sample.factor=17
31 * TestDowncallStack
32 */
33
34 import org.testng.annotations.Test;
35
36 import java.lang.foreign.*;
37 import java.util.ArrayList;
38 import java.util.List;
39 import java.util.function.Consumer;
40
41 import static org.testng.Assert.assertEquals;
42
43 public class TestDowncallStack extends TestDowncallBase {
44
45 static {
46 System.loadLibrary("TestDowncallStack");
47 }
48
49 @Test(dataProvider="functions", dataProviderClass=CallGeneratorHelper.class)
50 public void testDowncallStack(int count, String fName, CallGeneratorHelper.Ret ret,
51 List<CallGeneratorHelper.ParamType> paramTypes,
52 List<CallGeneratorHelper.StructFieldType> fields) throws Throwable {
53 List<Consumer<Object>> checks = new ArrayList<>();
54 MemorySegment addr = findNativeOrThrow("s" + fName);
55 FunctionDescriptor descriptor = functionStack(ret, paramTypes, fields);
56 try (Arena arena = Arena.ofShared()) {
57 Object[] args = makeArgsStack(arena, descriptor, checks);
58 boolean needsScope = descriptor.returnLayout().map(GroupLayout.class::isInstance).orElse(false);
59 SegmentAllocator allocator = needsScope ?
60 arena :
61 THROWING_ALLOCATOR;
62 Object res = doCall(addr, allocator, descriptor, args);
63 if (ret == CallGeneratorHelper.Ret.NON_VOID) {
64 checks.forEach(c -> c.accept(res));
65 if (needsScope) {
66 // check that return struct has indeed been allocated in the native scope
67 assertEquals(((MemorySegment)res).scope(), arena.scope());
68 }
69 }
70 }
71 }
72
73 static FunctionDescriptor functionStack(Ret ret, List<ParamType> params, List<StructFieldType> fields) {
74 return function(ret, params, fields, STACK_PREFIX_LAYOUTS);
75 }
76
77 static Object[] makeArgsStack(Arena arena, FunctionDescriptor descriptor, List<Consumer<Object>> checks) {
78 return makeArgs(arena, descriptor, checks, STACK_PREFIX_LAYOUTS.size());
79 }
80
81 }