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

Example 96 with Addressable

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

the class StructTests2 method test_add2ShortStructs_returnStruct_2.

@Test
public void test_add2ShortStructs_returnStruct_2() throws Throwable {
    GroupLayout structLayout = MemoryLayout.structLayout(C_SHORT.withName("elem1"), C_SHORT.withName("elem2"));
    VarHandle shortHandle1 = structLayout.varHandle(short.class, PathElement.groupElement("elem1"));
    VarHandle shortHandle2 = structLayout.varHandle(short.class, PathElement.groupElement("elem2"));
    MethodType mt = MethodType.methodType(MemorySegment.class, MemorySegment.class, MemorySegment.class);
    FunctionDescriptor fd = FunctionDescriptor.of(structLayout, structLayout, structLayout);
    Addressable functionSymbol = nativeLibLookup.lookup("add2ShortStructs_returnStruct").get();
    try (ResourceScope scope = ResourceScope.newConfinedScope()) {
        SegmentAllocator allocator = SegmentAllocator.ofScope(scope);
        MethodHandle mh = clinker.downcallHandle(mt, fd);
        MemorySegment structSegmt1 = allocator.allocate(structLayout);
        shortHandle1.set(structSegmt1, (short) 56);
        shortHandle2.set(structSegmt1, (short) 45);
        MemorySegment structSegmt2 = allocator.allocate(structLayout);
        shortHandle1.set(structSegmt2, (short) 78);
        shortHandle2.set(structSegmt2, (short) 67);
        MemorySegment resultSegmt = (MemorySegment) mh.invokeExact(functionSymbol, allocator, structSegmt1, structSegmt2);
        Assert.assertEquals((short) shortHandle1.get(resultSegmt), (short) 134);
        Assert.assertEquals((short) shortHandle2.get(resultSegmt), (short) 112);
    }
}

Example 97 with Addressable

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

the class StructTests2 method test_addIntAndIntsFromStructWithNestedIntArray_2.

@Test
public void test_addIntAndIntsFromStructWithNestedIntArray_2() throws Throwable {
    SequenceLayout intArray = MemoryLayout.sequenceLayout(2, C_INT);
    GroupLayout structLayout = MemoryLayout.structLayout(intArray.withName("array_elem1"), C_INT.withName("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").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 98 with Addressable

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

the class StructTests2 method test_addBoolAndBoolsFromStructWithNestedBoolArray_reverseOrder_2.

@Test
public void test_addBoolAndBoolsFromStructWithNestedBoolArray_reverseOrder_2() throws Throwable {
    SequenceLayout boolArray = MemoryLayout.sequenceLayout(2, C_CHAR);
    GroupLayout structLayout = MemoryLayout.structLayout(C_CHAR.withName("elem1"), boolArray.withName("array_elem2"), MemoryLayout.paddingLayout(C_CHAR.bitSize()));
    MethodType mt = MethodType.methodType(boolean.class, boolean.class, MemorySegment.class);
    FunctionDescriptor fd = FunctionDescriptor.of(C_CHAR, C_CHAR, structLayout);
    Addressable functionSymbol = nativeLibLookup.lookup("addBoolAndBoolsFromStructWithNestedBoolArray_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);
        boolean result = (boolean) mh.invokeExact(functionSymbol, false, structSegmt);
        Assert.assertEquals(result, true);
    }
}

Example 99 with Addressable

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

the class StructTests2 method test_addShortAndShortsFromStructWithNestedStructArray_2.

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

Example 100 with Addressable

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

the class StructTests2 method test_addIntFromPointerAndIntsFromStruct_returnIntPointer_2.

@Test
public void test_addIntFromPointerAndIntsFromStruct_returnIntPointer_2() throws Throwable {
    GroupLayout structLayout = MemoryLayout.structLayout(C_INT.withName("elem1"), C_INT.withName("elem2"));
    VarHandle intHandle1 = structLayout.varHandle(int.class, PathElement.groupElement("elem1"));
    VarHandle intHandle2 = structLayout.varHandle(int.class, PathElement.groupElement("elem2"));
    MethodType mt = MethodType.methodType(MemoryAddress.class, MemoryAddress.class, MemorySegment.class);
    FunctionDescriptor fd = FunctionDescriptor.of(C_POINTER, C_POINTER, structLayout);
    Addressable functionSymbol = nativeLibLookup.lookup("addIntFromPointerAndIntsFromStruct_returnIntPointer").get();
    MethodHandle mh = clinker.downcallHandle(mt, fd);
    try (ResourceScope scope = ResourceScope.newConfinedScope()) {
        SegmentAllocator allocator = SegmentAllocator.ofScope(scope);
        MemorySegment intSegmt = allocator.allocate(C_INT);
        MemoryAccess.setInt(intSegmt, 1122333);
        MemorySegment structSegmt = allocator.allocate(structLayout);
        intHandle1.set(structSegmt, 4455666);
        intHandle2.set(structSegmt, 7788999);
        MemoryAddress resultAddr = (MemoryAddress) mh.invokeExact(functionSymbol, intSegmt.address(), structSegmt);
        MemorySegment resultSegmt = resultAddr.asSegment(C_INT.byteSize(), scope);
        VarHandle intHandle = MemoryHandles.varHandle(int.class, ByteOrder.nativeOrder());
        int result = (int) intHandle.get(resultSegmt, 0);
        Assert.assertEquals(result, 13366998);
        Assert.assertEquals(resultSegmt.address().toRawLongValue(), intSegmt.address().toRawLongValue());
    }
}