1 /*
2 * Copyright (c) 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 * @enablePreview
27 * @library ../ /test/lib
28 * @requires jdk.foreign.linker != "UNSUPPORTED"
29 * @requires jdk.foreign.linker != "FALLBACK"
30 * @build NativeTestHelper
31 * @run testng/othervm --enable-native-access=ALL-UNNAMED TestNested
32 */
33
34 import org.testng.annotations.DataProvider;
35 import org.testng.annotations.Test;
36
37 import java.lang.foreign.Arena;
38 import java.lang.foreign.FunctionDescriptor;
39 import java.lang.foreign.GroupLayout;
40 import java.lang.foreign.MemoryLayout;
41 import java.lang.foreign.MemorySegment;
42 import java.lang.foreign.SegmentAllocator;
43 import java.lang.foreign.StructLayout;
44 import java.lang.foreign.UnionLayout;
45 import java.lang.invoke.MethodHandle;
46 import java.util.List;
47 import java.util.Random;
48 import java.util.concurrent.atomic.AtomicReference;
49
50 public class TestNested extends NativeTestHelper {
51
52 static {
53 System.loadLibrary("Nested");
54 }
55
56 @Test(dataProvider = "nestedLayouts")
57 public void testNested(GroupLayout layout) throws Throwable {
58 try (Arena arena = Arena.ofConfined()) {
59 Random random = new Random(0);
60 TestValue testValue = genTestValue(random, layout, arena);
61
62 String funcName = "test_" + layout.name().orElseThrow();
63 FunctionDescriptor downcallDesc = FunctionDescriptor.of(layout, layout, C_POINTER);
64 FunctionDescriptor upcallDesc = FunctionDescriptor.of(layout, layout);
65
66 MethodHandle downcallHandle = downcallHandle(funcName, downcallDesc);
67 AtomicReference<Object[]> returnBox = new AtomicReference<>();
68 MemorySegment stub = makeArgSaverCB(upcallDesc, arena, returnBox, 0);
69
70 MemorySegment returned = (MemorySegment) downcallHandle.invokeExact(
71 (SegmentAllocator) arena, (MemorySegment) testValue.value(), stub);
72
73 testValue.check().accept(returnBox.get()[0]);
74 testValue.check().accept(returned);
75 }
76 }
77
78 @DataProvider
79 public static Object[][] nestedLayouts() {
80 List<GroupLayout> layouts = List.of(
81 S1, U1, U17, S2, S3, S4, S5, S6, U2, S7, U3, U4, U5, U6, U7, S8, S9, U8, U9, U10, S10,
82 U11, S11, U12, S12, U13, U14, U15, S13, S14, U16, S15);
83 return layouts.stream().map(l -> new Object[]{l}).toArray(Object[][]::new);
84 }
85
86 static final StructLayout S1 = MemoryLayout.structLayout(
87 C_DOUBLE.withName("f0"),
88 C_LONG_LONG.withName("f1"),
89 C_DOUBLE.withName("f2"),
90 C_INT.withName("f3"),
91 MemoryLayout.paddingLayout(4)
92 ).withName("S1");
93 static final UnionLayout U1 = MemoryLayout.unionLayout(
94 C_SHORT.withName("f0"),
95 C_LONG_LONG.withName("f1"),
96 C_SHORT.withName("f2"),
97 MemoryLayout.sequenceLayout(4, MemoryLayout.sequenceLayout(3, C_CHAR)).withName("f3"),
98 MemoryLayout.paddingLayout(16)
99 ).withName("U1");
100 static final UnionLayout U17 = MemoryLayout.unionLayout(
101 C_CHAR.withName("f0"),
102 C_CHAR.withName("f1"),
103 C_LONG_LONG.withName("f2"),
104 C_DOUBLE.withName("f3")
105 ).withName("U17");
106 static final StructLayout S2 = MemoryLayout.structLayout(
107 U17.withName("f0"),
108 MemoryLayout.sequenceLayout(4, C_LONG_LONG).withName("f1"),
109 C_SHORT.withName("f2"),
110 MemoryLayout.paddingLayout(6)
111 ).withName("S2");
112 static final StructLayout S3 = MemoryLayout.structLayout(
113 C_FLOAT.withName("f0"),
114 C_INT.withName("f1"),
115 U1.withName("f2"),
116 S2.withName("f3")
117 ).withName("S3");
118 static final StructLayout S4 = MemoryLayout.structLayout(
119 MemoryLayout.sequenceLayout(2, C_SHORT).withName("f0"),
120 MemoryLayout.paddingLayout(4),
121 S1.withName("f1")
122 ).withName("S4");
123 static final StructLayout S5 = MemoryLayout.structLayout(
124 C_FLOAT.withName("f0"),
125 MemoryLayout.paddingLayout(4),
126 C_POINTER.withName("f1"),
127 S4.withName("f2")
128 ).withName("S5");
129 static final StructLayout S6 = MemoryLayout.structLayout(
130 S5.withName("f0")
131 ).withName("S6");
132 static final UnionLayout U2 = MemoryLayout.unionLayout(
133 C_FLOAT.withName("f0"),
134 C_SHORT.withName("f1"),
135 C_POINTER.withName("f2"),
136 C_FLOAT.withName("f3")
137 ).withName("U2");
138 static final StructLayout S7 = MemoryLayout.structLayout(
139 C_DOUBLE.withName("f0"),
140 C_SHORT.withName("f1"),
141 C_SHORT.withName("f2"),
142 MemoryLayout.paddingLayout(4),
143 C_LONG_LONG.withName("f3")
144 ).withName("S7");
145 static final UnionLayout U3 = MemoryLayout.unionLayout(
146 C_POINTER.withName("f0"),
147 U2.withName("f1"),
148 C_LONG_LONG.withName("f2"),
149 S7.withName("f3")
150 ).withName("U3");
151 static final UnionLayout U4 = MemoryLayout.unionLayout(
152 C_FLOAT.withName("f0")
153 ).withName("U4");
154 static final UnionLayout U5 = MemoryLayout.unionLayout(
155 U3.withName("f0"),
156 MemoryLayout.sequenceLayout(3, C_LONG_LONG).withName("f1"),
157 U4.withName("f2"),
158 C_FLOAT.withName("f3")
159 ).withName("U5");
160 static final UnionLayout U6 = MemoryLayout.unionLayout(
161 C_SHORT.withName("f0"),
162 C_FLOAT.withName("f1"),
163 U5.withName("f2"),
164 C_SHORT.withName("f3")
165 ).withName("U6");
166 static final UnionLayout U7 = MemoryLayout.unionLayout(
167 C_SHORT.withName("f0")
168 ).withName("U7");
169 static final StructLayout S8 = MemoryLayout.structLayout(
170 MemoryLayout.sequenceLayout(3, C_DOUBLE).withName("f0"),
171 U7.withName("f1"),
172 MemoryLayout.paddingLayout(6),
173 C_POINTER.withName("f2"),
174 C_POINTER.withName("f3")
175 ).withName("S8");
176 static final StructLayout S9 = MemoryLayout.structLayout(
177 C_CHAR.withName("f0"),
178 MemoryLayout.paddingLayout(7),
179 MemoryLayout.sequenceLayout(2, C_DOUBLE).withName("f1"),
180 C_CHAR.withName("f2"),
181 MemoryLayout.paddingLayout(7),
182 S8.withName("f3")
183 ).withName("S9");
184 static final UnionLayout U8 = MemoryLayout.unionLayout(
185 C_LONG_LONG.withName("f0"),
186 C_POINTER.withName("f1"),
187 S9.withName("f2")
188 ).withName("U8");
189 static final UnionLayout U9 = MemoryLayout.unionLayout(
190 C_INT.withName("f0"),
191 C_DOUBLE.withName("f1"),
192 MemoryLayout.sequenceLayout(2, C_SHORT).withName("f2"),
193 C_LONG_LONG.withName("f3")
194 ).withName("U9");
195 static final UnionLayout U10 = MemoryLayout.unionLayout(
196 C_LONG_LONG.withName("f0"),
197 U9.withName("f1"),
198 C_CHAR.withName("f2"),
199 C_FLOAT.withName("f3")
200 ).withName("U10");
201 static final StructLayout S10 = MemoryLayout.structLayout(
202 MemoryLayout.sequenceLayout(4, C_DOUBLE).withName("f0")
203 ).withName("S10");
204 static final UnionLayout U11 = MemoryLayout.unionLayout(
205 MemoryLayout.sequenceLayout(3, S10).withName("f0")
206 ).withName("U11");
207 static final StructLayout S11 = MemoryLayout.structLayout(
208 C_SHORT.withName("f0"),
209 C_CHAR.withName("f1"),
210 MemoryLayout.paddingLayout(1)
211 ).withName("S11");
212 static final UnionLayout U12 = MemoryLayout.unionLayout(
213 C_FLOAT.withName("f0"),
214 S11.withName("f1"),
215 C_CHAR.withName("f2"),
216 C_CHAR.withName("f3")
217 ).withName("U12");
218 static final StructLayout S12 = MemoryLayout.structLayout(
219 U12.withName("f0"),
220 C_FLOAT.withName("f1")
221 ).withName("S12");
222 static final UnionLayout U13 = MemoryLayout.unionLayout(
223 C_FLOAT.withName("f0"),
224 S12.withName("f1")
225 ).withName("U13");
226 static final UnionLayout U14 = MemoryLayout.unionLayout(
227 C_INT.withName("f0"),
228 MemoryLayout.sequenceLayout(2, C_POINTER).withName("f1"),
229 MemoryLayout.sequenceLayout(2, MemoryLayout.sequenceLayout(3, C_FLOAT)).withName("f2")
230 ).withName("U14");
231 static final UnionLayout U15 = MemoryLayout.unionLayout(
232 C_POINTER.withName("f0"),
233 C_LONG_LONG.withName("f1"),
234 MemoryLayout.sequenceLayout(1, C_DOUBLE).withName("f2"),
235 C_LONG_LONG.withName("f3")
236 ).withName("U15");
237 static final StructLayout S13 = MemoryLayout.structLayout(
238 C_INT.withName("f0"),
239 C_CHAR.withName("f1"),
240 MemoryLayout.paddingLayout(3),
241 C_POINTER.withName("f2"),
242 C_CHAR.withName("f3"),
243 MemoryLayout.paddingLayout(7)
244 ).withName("S13");
245 static final StructLayout S14 = MemoryLayout.structLayout(
246 C_LONG_LONG.withName("f0")
247 ).withName("S14");
248 static final UnionLayout U16 = MemoryLayout.unionLayout(
249 MemoryLayout.sequenceLayout(4, C_SHORT).withName("f0"),
250 C_INT.withName("f1"),
251 S13.withName("f2"),
252 S14.withName("f3")
253 ).withName("U16");
254 static final StructLayout S15 = MemoryLayout.structLayout(
255 U16.withName("f0"),
256 C_FLOAT.withName("f1"),
257 C_INT.withName("f2"),
258 C_LONG_LONG.withName("f3")
259 ).withName("S15");
260 }