Examples with NativeSymbol jdk.incubator.foreign.NativeSymbol used on opensource projects

Example 86 with NativeSymbol

use of jdk.incubator.foreign.NativeSymbol in project openj9 by eclipse.

the class StructTests2 method test_addLongAndLongsFromStructWithNestedStructArray_withoutLayoutName_2.

@Test
public void test_addLongAndLongsFromStructWithNestedStructArray_withoutLayoutName_2() throws Throwable {
    GroupLayout longStruct = MemoryLayout.structLayout(JAVA_LONG, JAVA_LONG);
    SequenceLayout structArray = MemoryLayout.sequenceLayout(2, longStruct);
    GroupLayout structLayout = MemoryLayout.structLayout(structArray, JAVA_LONG);
    FunctionDescriptor fd = FunctionDescriptor.of(JAVA_LONG, JAVA_LONG, structLayout);
    NativeSymbol functionSymbol = nativeLibLookup.lookup("addLongAndLongsFromStructWithNestedStructArray").get();
    MethodHandle mh = clinker.downcallHandle(fd);
    try (ResourceScope scope = ResourceScope.newConfinedScope()) {
        SegmentAllocator allocator = SegmentAllocator.nativeAllocator(scope);
        MemorySegment structSegmt = allocator.allocate(structLayout);
        structSegmt.set(JAVA_LONG, 0, 111111111L);
        structSegmt.set(JAVA_LONG, 8, 222222222L);
        structSegmt.set(JAVA_LONG, 16, 333333333L);
        structSegmt.set(JAVA_LONG, 24, 444444444L);
        structSegmt.set(JAVA_LONG, 32, 555555555L);
        long result = (long) mh.invokeExact(functionSymbol, 666666666L, structSegmt);
        Assert.assertEquals(result, 2333333331L);
    }
}

Example 87 with NativeSymbol

use of jdk.incubator.foreign.NativeSymbol in project openj9 by eclipse.

the class StructTests2 method test_addCharAndCharsFromStructWithNestedCharArray_reverseOrder_2.

@Test
public void test_addCharAndCharsFromStructWithNestedCharArray_reverseOrder_2() throws Throwable {
    SequenceLayout charArray = MemoryLayout.sequenceLayout(2, JAVA_CHAR);
    GroupLayout structLayout = MemoryLayout.structLayout(JAVA_CHAR.withName("elem1"), charArray.withName("array_elem2"), MemoryLayout.paddingLayout(JAVA_CHAR.bitSize()));
    FunctionDescriptor fd = FunctionDescriptor.of(JAVA_CHAR, JAVA_CHAR, structLayout);
    NativeSymbol functionSymbol = nativeLibLookup.lookup("addCharAndCharsFromStructWithNestedCharArray_reverseOrder").get();
    MethodHandle mh = clinker.downcallHandle(fd);
    try (ResourceScope scope = ResourceScope.newConfinedScope()) {
        SegmentAllocator allocator = SegmentAllocator.nativeAllocator(scope);
        MemorySegment structSegmt = allocator.allocate(structLayout);
        structSegmt.set(JAVA_CHAR, 0, 'A');
        structSegmt.set(JAVA_CHAR, 2, 'B');
        structSegmt.set(JAVA_CHAR, 4, 'C');
        char result = (char) mh.invokeExact(functionSymbol, 'D', structSegmt);
        Assert.assertEquals(result, 'G');
    }
}

Example 88 with NativeSymbol

use of jdk.incubator.foreign.NativeSymbol in project openj9 by eclipse.

the class StructTests2 method test_addShortAndShortsFromStructWithNestedStructArray_2.

@Test
public void test_addShortAndShortsFromStructWithNestedStructArray_2() throws Throwable {
    GroupLayout shortStruct = MemoryLayout.structLayout(JAVA_SHORT.withName("elem1"), JAVA_SHORT.withName("elem2"));
    SequenceLayout structArray = MemoryLayout.sequenceLayout(2, shortStruct);
    GroupLayout structLayout = MemoryLayout.structLayout(structArray.withName("struc_array_elem1"), JAVA_SHORT.withName("elem2"));
    FunctionDescriptor fd = FunctionDescriptor.of(JAVA_SHORT, JAVA_SHORT, structLayout);
    NativeSymbol functionSymbol = nativeLibLookup.lookup("addShortAndShortsFromStructWithNestedStructArray").get();
    MethodHandle mh = clinker.downcallHandle(fd);
    try (ResourceScope scope = ResourceScope.newConfinedScope()) {
        SegmentAllocator allocator = SegmentAllocator.nativeAllocator(scope);
        MemorySegment structSegmt = allocator.allocate(structLayout);
        structSegmt.set(JAVA_SHORT, 0, (short) 111);
        structSegmt.set(JAVA_SHORT, 2, (short) 222);
        structSegmt.set(JAVA_SHORT, 4, (short) 333);
        structSegmt.set(JAVA_SHORT, 6, (short) 444);
        structSegmt.set(JAVA_SHORT, 8, (short) 555);
        short result = (short) mh.invokeExact(functionSymbol, (short) 666, structSegmt);
        Assert.assertEquals(result, 2331);
    }
}

Example 89 with NativeSymbol

use of jdk.incubator.foreign.NativeSymbol in project openj9 by eclipse.

the class StructTests2 method test_addLongAndLongsFromStructWithNestedStructArray_reverseOrder_2.

@Test
public void test_addLongAndLongsFromStructWithNestedStructArray_reverseOrder_2() throws Throwable {
    GroupLayout longStruct = MemoryLayout.structLayout(JAVA_LONG.withName("elem1"), JAVA_LONG.withName("elem2"));
    SequenceLayout structArray = MemoryLayout.sequenceLayout(2, longStruct);
    GroupLayout structLayout = MemoryLayout.structLayout(JAVA_LONG.withName("elem1"), structArray.withName("struct_array_elem2"));
    FunctionDescriptor fd = FunctionDescriptor.of(JAVA_LONG, JAVA_LONG, structLayout);
    NativeSymbol functionSymbol = nativeLibLookup.lookup("addLongAndLongsFromStructWithNestedStructArray_reverseOrder").get();
    MethodHandle mh = clinker.downcallHandle(fd);
    try (ResourceScope scope = ResourceScope.newConfinedScope()) {
        SegmentAllocator allocator = SegmentAllocator.nativeAllocator(scope);
        MemorySegment structSegmt = allocator.allocate(structLayout);
        structSegmt.set(JAVA_LONG, 0, 111111111L);
        structSegmt.set(JAVA_LONG, 8, 222222222L);
        structSegmt.set(JAVA_LONG, 16, 333333333L);
        structSegmt.set(JAVA_LONG, 24, 444444444L);
        structSegmt.set(JAVA_LONG, 32, 555555555L);
        long result = (long) mh.invokeExact(functionSymbol, 666666666L, structSegmt);
        Assert.assertEquals(result, 2333333331L);
    }
}

Example 90 with NativeSymbol

use of jdk.incubator.foreign.NativeSymbol in project openj9 by eclipse.

the class StructTests2 method test_addLongFromPointerAndLongsFromStruct_returnLongPointer_2.

@Test
public void test_addLongFromPointerAndLongsFromStruct_returnLongPointer_2() throws Throwable {
    GroupLayout structLayout = MemoryLayout.structLayout(JAVA_LONG.withName("elem1"), JAVA_LONG.withName("elem2"));
    VarHandle longHandle1 = structLayout.varHandle(PathElement.groupElement("elem1"));
    VarHandle longHandle2 = structLayout.varHandle(PathElement.groupElement("elem2"));
    FunctionDescriptor fd = FunctionDescriptor.of(ADDRESS, ADDRESS, structLayout);
    NativeSymbol functionSymbol = nativeLibLookup.lookup("addLongFromPointerAndLongsFromStruct_returnLongPointer").get();
    MethodHandle mh = clinker.downcallHandle(fd);
    try (ResourceScope scope = ResourceScope.newConfinedScope()) {
        SegmentAllocator allocator = SegmentAllocator.nativeAllocator(scope);
        MemorySegment longSegmt = allocator.allocate(JAVA_LONG, 1122334455L);
        MemorySegment structSegmt = allocator.allocate(structLayout);
        longHandle1.set(structSegmt, 6677889900L);
        longHandle2.set(structSegmt, 1234567890L);
        MemoryAddress resultAddr = (MemoryAddress) mh.invoke(functionSymbol, longSegmt, structSegmt);
        Assert.assertEquals(resultAddr.get(JAVA_LONG, 0), 9034792245L);
        Assert.assertEquals(resultAddr.toRawLongValue(), longSegmt.address().toRawLongValue());
    }
}