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

Example 61 with SequenceLayout

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

the class StructTests2 method test_addFloatAndFloatsFromStructWithNestedFloatArray_reverseOrder_2.

@Test
public void test_addFloatAndFloatsFromStructWithNestedFloatArray_reverseOrder_2() throws Throwable {
    SequenceLayout floatArray = MemoryLayout.sequenceLayout(2, C_FLOAT);
    GroupLayout structLayout = MemoryLayout.structLayout(C_FLOAT.withName("elem1"), floatArray.withName("array_elem2"));
    MethodType mt = MethodType.methodType(float.class, float.class, MemorySegment.class);
    FunctionDescriptor fd = FunctionDescriptor.of(C_FLOAT, C_FLOAT, structLayout);
    Addressable functionSymbol = nativeLibLookup.lookup("addFloatAndFloatsFromStructWithNestedFloatArray_reverseOrder").get();
    MethodHandle mh = clinker.downcallHandle(mt, fd);
    try (ResourceScope scope = ResourceScope.newConfinedScope()) {
        SegmentAllocator allocator = SegmentAllocator.ofScope(scope);
        MemorySegment structSegmt = allocator.allocate(structLayout);
        MemoryAccess.setFloatAtOffset(structSegmt, 0, 111.11F);
        MemoryAccess.setFloatAtOffset(structSegmt, 4, 222.22F);
        MemoryAccess.setFloatAtOffset(structSegmt, 8, 333.33F);
        float result = (float) mh.invokeExact(functionSymbol, 444.44F, structSegmt);
        Assert.assertEquals(result, 1111.1F, 0.01F);
    }
}

Example 62 with SequenceLayout

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

the class StructTests2 method test_addIntAndIntsFromStructWithNestedIntArray_reverseOrder_2.

@Test
public void test_addIntAndIntsFromStructWithNestedIntArray_reverseOrder_2() throws Throwable {
    SequenceLayout intArray = MemoryLayout.sequenceLayout(2, C_INT);
    GroupLayout structLayout = MemoryLayout.structLayout(C_INT.withName("elem1"), intArray.withName("array_elem2"));
    MethodType mt = MethodType.methodType(int.class, int.class, MemorySegment.class);
    FunctionDescriptor fd = FunctionDescriptor.of(C_INT, C_INT, structLayout);
    Addressable functionSymbol = nativeLibLookup.lookup("addIntAndIntsFromStructWithNestedIntArray_reverseOrder").get();
    MethodHandle mh = clinker.downcallHandle(mt, fd);
    try (ResourceScope scope = ResourceScope.newConfinedScope()) {
        SegmentAllocator allocator = SegmentAllocator.ofScope(scope);
        MemorySegment structSegmt = allocator.allocate(structLayout);
        MemoryAccess.setIntAtOffset(structSegmt, 0, 1111111);
        MemoryAccess.setIntAtOffset(structSegmt, 4, 2222222);
        MemoryAccess.setIntAtOffset(structSegmt, 8, 3333333);
        int result = (int) mh.invokeExact(functionSymbol, 4444444, structSegmt);
        Assert.assertEquals(result, 11111110);
    }
}

Example 63 with SequenceLayout

use of jdk.incubator.foreign.SequenceLayout 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(longLayout, longLayout);
    SequenceLayout structArray = MemoryLayout.sequenceLayout(2, longStruct);
    GroupLayout structLayout = MemoryLayout.structLayout(structArray, longLayout);
    MethodType mt = MethodType.methodType(long.class, long.class, MemorySegment.class);
    FunctionDescriptor fd = FunctionDescriptor.of(longLayout, longLayout, structLayout);
    Addressable functionSymbol = nativeLibLookup.lookup("addLongAndLongsFromStructWithNestedStructArray").get();
    MethodHandle mh = clinker.downcallHandle(mt, fd);
    try (ResourceScope scope = ResourceScope.newConfinedScope()) {
        SegmentAllocator allocator = SegmentAllocator.ofScope(scope);
        MemorySegment structSegmt = allocator.allocate(structLayout);
        MemoryAccess.setLongAtOffset(structSegmt, 0, 111111111L);
        MemoryAccess.setLongAtOffset(structSegmt, 8, 222222222L);
        MemoryAccess.setLongAtOffset(structSegmt, 16, 333333333L);
        MemoryAccess.setLongAtOffset(structSegmt, 24, 444444444L);
        MemoryAccess.setLongAtOffset(structSegmt, 32, 555555555L);
        long result = (long) mh.invokeExact(functionSymbol, 666666666L, structSegmt);
        Assert.assertEquals(result, 2333333331L);
    }
}

Example 64 with SequenceLayout

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

the class StructTests2 method test_addBoolAndBoolsFromStructWithNestedStructArray_reverseOrder_2.

@Test
public void test_addBoolAndBoolsFromStructWithNestedStructArray_reverseOrder_2() throws Throwable {
    GroupLayout boolStruct = MemoryLayout.structLayout(C_CHAR.withName("elem1"), C_CHAR.withName("elem2"));
    SequenceLayout structArray = MemoryLayout.sequenceLayout(2, boolStruct);
    GroupLayout structLayout = MemoryLayout.structLayout(C_CHAR.withName("elem1"), structArray.withName("struct_array_elem2"), MemoryLayout.paddingLayout(C_CHAR.bitSize() * 3));
    MethodType mt = MethodType.methodType(boolean.class, boolean.class, MemorySegment.class);
    FunctionDescriptor fd = FunctionDescriptor.of(C_CHAR, C_CHAR, structLayout);
    Addressable functionSymbol = nativeLibLookup.lookup("addBoolAndBoolsFromStructWithNestedStructArray_reverseOrder").get();
    MethodHandle mh = clinker.downcallHandle(mt, fd);
    try (ResourceScope scope = ResourceScope.newConfinedScope()) {
        SegmentAllocator allocator = SegmentAllocator.ofScope(scope);
        MemorySegment structSegmt = allocator.allocate(structLayout);
        MemoryAccess.setByteAtOffset(structSegmt, 0, (byte) 0);
        MemoryAccess.setByteAtOffset(structSegmt, 1, (byte) 1);
        MemoryAccess.setByteAtOffset(structSegmt, 2, (byte) 0);
        MemoryAccess.setByteAtOffset(structSegmt, 3, (byte) 1);
        MemoryAccess.setByteAtOffset(structSegmt, 4, (byte) 0);
        boolean result = (boolean) mh.invokeExact(functionSymbol, true, structSegmt);
        Assert.assertEquals(result, true);
    }
}

Example 65 with SequenceLayout

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

the class StructTests2 method test_addIntAndIntsFromStructWithNestedStructArray_withoutLayoutName_2.

@Test
public void test_addIntAndIntsFromStructWithNestedStructArray_withoutLayoutName_2() throws Throwable {
    GroupLayout intStruct = MemoryLayout.structLayout(C_INT, C_INT);
    SequenceLayout structArray = MemoryLayout.sequenceLayout(2, intStruct);
    GroupLayout structLayout = MemoryLayout.structLayout(structArray, C_INT);
    MethodType mt = MethodType.methodType(int.class, int.class, MemorySegment.class);
    FunctionDescriptor fd = FunctionDescriptor.of(C_INT, C_INT, structLayout);
    Addressable functionSymbol = nativeLibLookup.lookup("addIntAndIntsFromStructWithNestedStructArray").get();
    MethodHandle mh = clinker.downcallHandle(mt, fd);
    try (ResourceScope scope = ResourceScope.newConfinedScope()) {
        SegmentAllocator allocator = SegmentAllocator.ofScope(scope);
        MemorySegment structSegmt = allocator.allocate(structLayout);
        MemoryAccess.setIntAtOffset(structSegmt, 0, 1111111);
        MemoryAccess.setIntAtOffset(structSegmt, 4, 2222222);
        MemoryAccess.setIntAtOffset(structSegmt, 8, 3333333);
        MemoryAccess.setIntAtOffset(structSegmt, 12, 4444444);
        MemoryAccess.setIntAtOffset(structSegmt, 16, 5555555);
        int result = (int) mh.invokeExact(functionSymbol, 6666666, structSegmt);
        Assert.assertEquals(result, 23333331);
    }
}