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
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
|
/*
* Copyright (c) 2024, 2025, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2024 SAP SE. 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
* @summary Test passing of a structure which contains a double with 4 Byte alignment on AIX.
*
* @run testng/othervm/native --enable-native-access=ALL-UNNAMED Test4BAlignedDouble
*/
import java.lang.foreign.*;
import java.lang.invoke.MethodHandle;
import java.lang.invoke.MethodHandles;
import java.lang.invoke.MethodType;
import org.testng.annotations.Test;
import static java.lang.foreign.ValueLayout.*;
public class Test4BAlignedDouble {
static {
System.loadLibrary("Test4BAlignedDouble");
}
static final Linker abi = Linker.nativeLinker();
static final SymbolLookup lookup = SymbolLookup.loaderLookup();
static final boolean isAix = System.getProperty("os.name").equals("AIX");
static final OfInt C_INT = JAVA_INT;
static final OfFloat C_FLOAT = JAVA_FLOAT;
static final OfDouble C_DOUBLE = JAVA_DOUBLE;
// Double with platform specific alignment rule. Can be used on AIX with #pragma align (power).
static final OfDouble C_DOUBLE4B = JAVA_DOUBLE.withByteAlignment(4);
static final OfDouble platform_C_DOUBLE = isAix ? C_DOUBLE4B : C_DOUBLE;
static final StructLayout S_IDFLayout_with_padding = MemoryLayout.structLayout(
C_INT.withName("p0"),
MemoryLayout.paddingLayout(4), // AIX: only with #pragma align (natural)
C_DOUBLE.withName("p1"),
C_FLOAT.withName("p2"),
MemoryLayout.paddingLayout(4)
).withName("S_IDF");
static final StructLayout S_IDFLayout_without_padding = MemoryLayout.structLayout(
C_INT.withName("p0"),
// AIX uses #pragma align (power) by default. This means no padding, here.
C_DOUBLE4B.withName("p1"),
C_FLOAT.withName("p2")
).withName("S_IDF");
static final StructLayout platform_S_IDFLayout = isAix ? S_IDFLayout_without_padding : S_IDFLayout_with_padding;
static final long p0_offs = platform_S_IDFLayout.byteOffset(PathElement.groupElement("p0")),
p1_offs = platform_S_IDFLayout.byteOffset(PathElement.groupElement("p1")),
p2_offs = platform_S_IDFLayout.byteOffset(PathElement.groupElement("p2"));
static final FunctionDescriptor fdpass_S_IDF = FunctionDescriptor.of(platform_S_IDFLayout, platform_S_IDFLayout);
static final MethodHandle mhpass_S_IDF = abi.downcallHandle(lookup.find("pass_S_IDF").orElseThrow(), fdpass_S_IDF);
static final MethodHandle mhpass_S_IDF_fun = abi.downcallHandle(lookup.find("call_S_IDF_fun").orElseThrow(),
FunctionDescriptor.of(platform_S_IDFLayout, ADDRESS, platform_S_IDFLayout));
@Test
public static void testDowncall() {
int p0 = 0;
double p1 = 0.0d;
float p2 = 0.0f;
try (Arena arena = Arena.ofConfined()) {
MemorySegment s = arena.allocate(platform_S_IDFLayout);
s.set(C_INT, p0_offs, 1);
s.set(platform_C_DOUBLE, p1_offs, 2.0d);
s.set(C_FLOAT, p2_offs, 3.0f);
s = (MemorySegment) mhpass_S_IDF.invokeExact((SegmentAllocator) arena, s);
p0 = s.get(C_INT, p0_offs);
p1 = s.get(platform_C_DOUBLE, p1_offs);
p2 = s.get(C_FLOAT, p2_offs);
System.out.println("S_IDF(" + p0 + ";" + p1 + ";" + p2 + ")");
} catch (Throwable t) {
t.printStackTrace();
}
if (p0 != 2 || p1 != 5.0d || p2 != 3.0f) throw new RuntimeException("pass_S_IDF downcall error");
}
// Java version for Upcall test.
public static MemorySegment S_IDF_fun(MemorySegment p) {
int p0 = p.get(C_INT, p0_offs);
double p1 = p.get(platform_C_DOUBLE, p1_offs);
float p2 = p.get(C_FLOAT, p2_offs);
p.set(C_INT, p0_offs, p0 + 1);
p.set(platform_C_DOUBLE, p1_offs, p1 + (double) p2);
return p;
}
@Test
public static void testUpcall() {
int p0 = 0;
double p1 = 0.0d;
float p2 = 0.0f;
try (Arena arena = Arena.ofConfined()) {
MemorySegment s = arena.allocate(platform_S_IDFLayout);
s.set(C_INT, p0_offs, 1);
s.set(platform_C_DOUBLE, p1_offs, 2.0d);
s.set(C_FLOAT, p2_offs, 3.0f);
MethodType mt = MethodType.methodType(MemorySegment.class, MemorySegment.class);
MemorySegment stub = abi.upcallStub(MethodHandles.lookup().findStatic(Test4BAlignedDouble.class, "S_IDF_fun", mt),
fdpass_S_IDF, arena);
s = (MemorySegment) mhpass_S_IDF_fun.invokeExact((SegmentAllocator) arena, stub, s);
p0 = s.get(C_INT, p0_offs);
p1 = s.get(platform_C_DOUBLE, p1_offs);
p2 = s.get(C_FLOAT, p2_offs);
System.out.println("S_IDF(" + p0 + ";" + p1 + ";" + p2 + ")");
} catch (Throwable t) {
t.printStackTrace();
}
if (p0 != 2 || p1 != 5.0d || p2 != 3.0f) throw new RuntimeException("pass_S_IDF upcall error");
}
}
|
