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

Example 91 with GroupLayout

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

the class StructTests1 method test_add3BoolStructsWithXor_returnStruct_1.

@Test
public void test_add3BoolStructsWithXor_returnStruct_1() throws Throwable {
    GroupLayout structLayout = MemoryLayout.structLayout(C_CHAR.withName("elem1"), C_CHAR.withName("elem2"), C_CHAR.withName("elem3"), MemoryLayout.paddingLayout(C_CHAR.bitSize()));
    VarHandle boolHandle1 = structLayout.varHandle(byte.class, PathElement.groupElement("elem1"));
    VarHandle boolHandle2 = structLayout.varHandle(byte.class, PathElement.groupElement("elem2"));
    VarHandle boolHandle3 = structLayout.varHandle(byte.class, PathElement.groupElement("elem3"));
    MethodType mt = MethodType.methodType(MemorySegment.class, MemorySegment.class, MemorySegment.class);
    FunctionDescriptor fd = FunctionDescriptor.of(structLayout, structLayout, structLayout);
    Addressable functionSymbol = nativeLibLookup.lookup("add3BoolStructsWithXor_returnStruct").get();
    try (ResourceScope scope = ResourceScope.newConfinedScope()) {
        SegmentAllocator allocator = SegmentAllocator.ofScope(scope);
        MethodHandle mh = clinker.downcallHandle(functionSymbol, allocator, mt, fd);
        MemorySegment structSegmt1 = allocator.allocate(structLayout);
        boolHandle1.set(structSegmt1, (byte) 1);
        boolHandle2.set(structSegmt1, (byte) 0);
        boolHandle3.set(structSegmt1, (byte) 1);
        MemorySegment structSegmt2 = allocator.allocate(structLayout);
        boolHandle1.set(structSegmt2, (byte) 1);
        boolHandle2.set(structSegmt2, (byte) 1);
        boolHandle3.set(structSegmt2, (byte) 0);
        MemorySegment resultSegmt = (MemorySegment) mh.invokeExact(structSegmt1, structSegmt2);
        Assert.assertEquals((byte) boolHandle1.get(resultSegmt), (byte) 0);
        Assert.assertEquals((byte) boolHandle2.get(resultSegmt), (byte) 1);
        Assert.assertEquals((byte) boolHandle3.get(resultSegmt), (byte) 1);
    }
}

Example 92 with GroupLayout

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

the class StructTests1 method test_addShortAndShortsFromNestedStruct_1.

@Test
public void test_addShortAndShortsFromNestedStruct_1() throws Throwable {
    GroupLayout nestedStructLayout = MemoryLayout.structLayout(C_SHORT.withName("elem1"), C_SHORT.withName("elem2"));
    GroupLayout structLayout = MemoryLayout.structLayout(nestedStructLayout.withName("struct_elem1"), C_SHORT.withName("elem2"), MemoryLayout.paddingLayout(C_SHORT.bitSize()));
    MethodType mt = MethodType.methodType(short.class, short.class, MemorySegment.class);
    FunctionDescriptor fd = FunctionDescriptor.of(C_SHORT, C_SHORT, structLayout);
    Addressable functionSymbol = nativeLibLookup.lookup("addShortAndShortsFromNestedStruct").get();
    MethodHandle mh = clinker.downcallHandle(functionSymbol, mt, fd);
    try (ResourceScope scope = ResourceScope.newConfinedScope()) {
        SegmentAllocator allocator = SegmentAllocator.ofScope(scope);
        MemorySegment structSegmt = allocator.allocate(structLayout);
        MemoryAccess.setShortAtOffset(structSegmt, 0, (short) 31);
        MemoryAccess.setShortAtOffset(structSegmt, 2, (short) 33);
        MemoryAccess.setShortAtOffset(structSegmt, 4, (short) 35);
        short result = (short) mh.invokeExact((short) 37, structSegmt);
        Assert.assertEquals(result, 136);
    }
}

Example 93 with GroupLayout

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

the class StructTests1 method test_addFloatAndFloatsFromStructWithNestedFloatArray_reverseOrder_1.

@Test
public void test_addFloatAndFloatsFromStructWithNestedFloatArray_reverseOrder_1() 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(functionSymbol, 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(444.44F, structSegmt);
        Assert.assertEquals(result, 1111.1F, 0.01F);
    }
}

Example 94 with GroupLayout

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

the class StructTests1 method test_add2BoolStructsWithXor_returnStructPointer_1.

@Test
public void test_add2BoolStructsWithXor_returnStructPointer_1() throws Throwable {
    GroupLayout structLayout = MemoryLayout.structLayout(C_CHAR.withName("elem1"), C_CHAR.withName("elem2"));
    VarHandle boolHandle1 = structLayout.varHandle(byte.class, PathElement.groupElement("elem1"));
    VarHandle boolHandle2 = structLayout.varHandle(byte.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("add2BoolStructsWithXor_returnStructPointer").get();
    MethodHandle mh = clinker.downcallHandle(functionSymbol, mt, fd);
    try (ResourceScope scope = ResourceScope.newConfinedScope()) {
        SegmentAllocator allocator = SegmentAllocator.ofScope(scope);
        MemorySegment structSegmt1 = allocator.allocate(structLayout);
        boolHandle1.set(structSegmt1, (byte) 1);
        boolHandle2.set(structSegmt1, (byte) 0);
        MemorySegment structSegmt2 = allocator.allocate(structLayout);
        boolHandle1.set(structSegmt2, (byte) 1);
        boolHandle2.set(structSegmt2, (byte) 1);
        MemoryAddress resultAddr = (MemoryAddress) mh.invokeExact(structSegmt1.address(), structSegmt2);
        MemorySegment resultSegmt = resultAddr.asSegment(structLayout.byteSize(), scope);
        Assert.assertEquals((byte) boolHandle1.get(resultSegmt), (byte) 0);
        Assert.assertEquals((byte) boolHandle2.get(resultSegmt), (byte) 1);
    }
}

Example 95 with GroupLayout

use of jdk.incubator.foreign.GroupLayout 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(C_DOUBLE.withName("elem1"), C_DOUBLE.withName("elem2"));
    SequenceLayout structArray = MemoryLayout.sequenceLayout(2, doubleStruct);
    GroupLayout structLayout = MemoryLayout.structLayout(C_DOUBLE.withName("elem1"), structArray.withName("struct_array_elem2"));
    MethodType mt = MethodType.methodType(double.class, double.class, MemorySegment.class);
    FunctionDescriptor fd = FunctionDescriptor.of(C_DOUBLE, C_DOUBLE, structLayout);
    Addressable functionSymbol = nativeLibLookup.lookup("addDoubleAndDoublesFromStructWithNestedStructArray_reverseOrder").get();
    MethodHandle mh = clinker.downcallHandle(functionSymbol, mt, fd);
    try (ResourceScope scope = ResourceScope.newConfinedScope()) {
        SegmentAllocator allocator = SegmentAllocator.ofScope(scope);
        MemorySegment structSegmt = allocator.allocate(structLayout);
        MemoryAccess.setDoubleAtOffset(structSegmt, 0, 111.111D);
        MemoryAccess.setDoubleAtOffset(structSegmt, 8, 222.222D);
        MemoryAccess.setDoubleAtOffset(structSegmt, 16, 333.333D);
        MemoryAccess.setDoubleAtOffset(structSegmt, 24, 444.444D);
        MemoryAccess.setDoubleAtOffset(structSegmt, 32, 555.555D);
        double result = (double) mh.invokeExact(666.666D, structSegmt);
        Assert.assertEquals(result, 2333.331D, 0.001D);
    }
}