1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
|
/*
* Copyright (c) 2023, 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
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @test
* @library ../ /test/lib
* @requires jdk.foreign.linker != "FALLBACK"
* @run testng/othervm/native
* --enable-native-access=ALL-UNNAMED
* TestStubAllocFailure
*/
import java.lang.foreign.*;
import java.lang.invoke.MethodHandle;
import java.lang.invoke.MethodHandles;
import java.io.IOException;
import java.util.List;
import java.util.function.Consumer;
import java.util.stream.Stream;
import org.testng.annotations.Test;
import static org.testng.Assert.fail;
public class TestStubAllocFailure extends UpcallTestHelper {
@Test
public void testUpcallAllocFailure() throws IOException, InterruptedException {
runInNewProcess(UpcallRunner.class, true, List.of("-XX:ReservedCodeCacheSize=3M"), List.of())
.shouldNotHaveExitValue(0)
.shouldNotHaveFatalError();
}
@Test
public void testUDowncallAllocFailure() throws IOException, InterruptedException {
runInNewProcess(DowncallRunner.class, true, List.of("-XX:ReservedCodeCacheSize=3M"), List.of())
.shouldNotHaveExitValue(0)
.shouldNotHaveFatalError();
}
public static class UpcallRunner extends NativeTestHelper {
public static void main(String[] args) throws Throwable {
FunctionDescriptor descriptor = FunctionDescriptor.ofVoid();
MethodHandle target = MethodHandles.lookup().findStatic(UpcallRunner.class, "target", descriptor.toMethodType());
while (true) {
LINKER.upcallStub(target, descriptor, Arena.ofAuto());
}
}
public static void target() {
fail("Should not get here");
}
}
public static class DowncallRunner extends NativeTestHelper {
private static final int MAX_ARITY = 5;
private static void mapper(FunctionDescriptor fd, Consumer<FunctionDescriptor> sink) {
for (MemoryLayout l : List.of(C_INT, C_LONG_LONG, C_DOUBLE, C_FLOAT, C_SHORT)) {
sink.accept(fd.appendArgumentLayouts(l));
}
}
public static void main(String[] args) throws Throwable {
Linker linker = Linker.nativeLinker();
Stream<FunctionDescriptor> stream = Stream.of(FunctionDescriptor.ofVoid());
for (int i = 0; i < MAX_ARITY; i++) {
stream = stream.mapMulti(DowncallRunner::mapper);
}
stream.forEach(linker::downcallHandle);
}
}
}
|
