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

Example 81 with SequenceLayout

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

the class StructTests1 method test_addDoubleAndDoublesFromStructWithNestedStructArray_reverseOrder_1.

@Test
public void test_addDoubleAndDoublesFromStructWithNestedStructArray_reverseOrder_1() throws Throwable {
    GroupLayout doubleStruct = MemoryLayout.structLayout(JAVA_DOUBLE.withName("elem1"), JAVA_DOUBLE.withName("elem2"));
    SequenceLayout structArray = MemoryLayout.sequenceLayout(2, doubleStruct);
    GroupLayout structLayout = MemoryLayout.structLayout(JAVA_DOUBLE.withName("elem1"), structArray.withName("struct_array_elem2"));
    FunctionDescriptor fd = FunctionDescriptor.of(JAVA_DOUBLE, JAVA_DOUBLE, structLayout);
    NativeSymbol functionSymbol = nativeLibLookup.lookup("addDoubleAndDoublesFromStructWithNestedStructArray_reverseOrder").get();
    MethodHandle mh = clinker.downcallHandle(functionSymbol, fd);
    try (ResourceScope scope = ResourceScope.newConfinedScope()) {
        SegmentAllocator allocator = SegmentAllocator.nativeAllocator(scope);
        MemorySegment structSegmt = allocator.allocate(structLayout);
        structSegmt.set(JAVA_DOUBLE, 0, 111.111D);
        structSegmt.set(JAVA_DOUBLE, 8, 222.222D);
        structSegmt.set(JAVA_DOUBLE, 16, 333.333D);
        structSegmt.set(JAVA_DOUBLE, 24, 444.444D);
        structSegmt.set(JAVA_DOUBLE, 32, 555.555D);
        double result = (double) mh.invokeExact(666.666D, structSegmt);
        Assert.assertEquals(result, 2333.331D, 0.001D);
    }
}

Example 82 with SequenceLayout

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

the class StructTests1 method test_addLongAndLongsFromStructWithNestedStructArray_1.

@Test
public void test_addLongAndLongsFromStructWithNestedStructArray_1() throws Throwable {
    GroupLayout longStruct = MemoryLayout.structLayout(JAVA_LONG.withName("elem1"), JAVA_LONG.withName("elem2"));
    SequenceLayout structArray = MemoryLayout.sequenceLayout(2, longStruct);
    GroupLayout structLayout = MemoryLayout.structLayout(structArray.withName("struct_array_elem1"), JAVA_LONG.withName("elem2"));
    FunctionDescriptor fd = FunctionDescriptor.of(JAVA_LONG, JAVA_LONG, structLayout);
    NativeSymbol functionSymbol = nativeLibLookup.lookup("addLongAndLongsFromStructWithNestedStructArray").get();
    MethodHandle mh = clinker.downcallHandle(functionSymbol, 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(666666666L, structSegmt);
        Assert.assertEquals(result, 2333333331L);
    }
}

Example 83 with SequenceLayout

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

the class StructTests1 method test_addCharAndCharsFromStructWithNestedCharArray_reverseOrder_1.

@Test
public void test_addCharAndCharsFromStructWithNestedCharArray_reverseOrder_1() 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(functionSymbol, 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('D', structSegmt);
        Assert.assertEquals(result, 'G');
    }
}

Example 84 with SequenceLayout

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

the class StructTests1 method test_addBoolAndBoolsFromStructWithNestedBoolArray_reverseOrder_1.

@Test
public void test_addBoolAndBoolsFromStructWithNestedBoolArray_reverseOrder_1() throws Throwable {
    SequenceLayout boolArray = MemoryLayout.sequenceLayout(2, JAVA_BOOLEAN);
    GroupLayout structLayout = MemoryLayout.structLayout(JAVA_BOOLEAN.withName("elem1"), boolArray.withName("array_elem2"), MemoryLayout.paddingLayout(JAVA_BOOLEAN.bitSize()));
    FunctionDescriptor fd = FunctionDescriptor.of(JAVA_BOOLEAN, JAVA_BOOLEAN, structLayout);
    NativeSymbol functionSymbol = nativeLibLookup.lookup("addBoolAndBoolsFromStructWithNestedBoolArray_reverseOrder").get();
    MethodHandle mh = clinker.downcallHandle(functionSymbol, fd);
    try (ResourceScope scope = ResourceScope.newConfinedScope()) {
        SegmentAllocator allocator = SegmentAllocator.nativeAllocator(scope);
        MemorySegment structSegmt = allocator.allocate(structLayout);
        structSegmt.set(JAVA_BOOLEAN, 0, false);
        structSegmt.set(JAVA_BOOLEAN, 1, true);
        structSegmt.set(JAVA_BOOLEAN, 2, false);
        boolean result = (boolean) mh.invokeExact(false, structSegmt);
        Assert.assertEquals(result, true);
    }
}

Example 85 with SequenceLayout

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

the class StructTests1 method test_addLongAndLongsFromStructWithNestedLongArray_withoutLayoutName_1.

@Test
public void test_addLongAndLongsFromStructWithNestedLongArray_withoutLayoutName_1() throws Throwable {
    SequenceLayout longArray = MemoryLayout.sequenceLayout(2, JAVA_LONG);
    GroupLayout structLayout = MemoryLayout.structLayout(longArray, JAVA_LONG);
    FunctionDescriptor fd = FunctionDescriptor.of(JAVA_LONG, JAVA_LONG, structLayout);
    NativeSymbol functionSymbol = nativeLibLookup.lookup("addLongAndLongsFromStructWithNestedLongArray").get();
    MethodHandle mh = clinker.downcallHandle(functionSymbol, 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);
        long result = (long) mh.invokeExact(444444444L, structSegmt);
        Assert.assertEquals(result, 1111111110L);
    }
}