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

Example 36 with NativeSymbol

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

the class PrimitiveTypeTests1 method test_addByteAndByteFromPointer_1.

@Test
public void test_addByteAndByteFromPointer_1() throws Throwable {
    FunctionDescriptor fd = FunctionDescriptor.of(JAVA_BYTE, JAVA_BYTE, ADDRESS);
    NativeSymbol functionSymbol = nativeLibLookup.lookup("addByteAndByteFromPointer").get();
    MethodHandle mh = clinker.downcallHandle(functionSymbol, fd);
    MemorySegment byteSegmt = nativeAllocator.allocate(JAVA_BYTE, (byte) 3);
    byte result = (byte) mh.invoke((byte) 6, byteSegmt);
    Assert.assertEquals(result, (byte) 9);
}

Example 37 with NativeSymbol

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

the class StructTests1 method test_addShortAndShortsFromStructPointer_1.

@Test
public void test_addShortAndShortsFromStructPointer_1() throws Throwable {
    GroupLayout structLayout = MemoryLayout.structLayout(JAVA_SHORT.withName("elem1"), JAVA_SHORT.withName("elem2"));
    VarHandle shortHandle1 = structLayout.varHandle(PathElement.groupElement("elem1"));
    VarHandle shortHandle2 = structLayout.varHandle(PathElement.groupElement("elem2"));
    FunctionDescriptor fd = FunctionDescriptor.of(JAVA_SHORT, JAVA_SHORT, ADDRESS);
    NativeSymbol functionSymbol = nativeLibLookup.lookup("addShortAndShortsFromStructPointer").get();
    MethodHandle mh = clinker.downcallHandle(functionSymbol, fd);
    try (ResourceScope scope = ResourceScope.newConfinedScope()) {
        SegmentAllocator allocator = SegmentAllocator.nativeAllocator(scope);
        MemorySegment structSegmt = allocator.allocate(structLayout);
        shortHandle1.set(structSegmt, (short) 22);
        shortHandle2.set(structSegmt, (short) 44);
        short result = (short) mh.invoke((short) 66, structSegmt);
        Assert.assertEquals(result, 132);
    }
}

Example 38 with NativeSymbol

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

the class StructTests1 method test_addShortAndShortsFromStructWithNestedShortArray_reverseOrder_1.

@Test
public void test_addShortAndShortsFromStructWithNestedShortArray_reverseOrder_1() throws Throwable {
    SequenceLayout shortArray = MemoryLayout.sequenceLayout(2, JAVA_SHORT);
    GroupLayout structLayout = MemoryLayout.structLayout(JAVA_SHORT.withName("elem1"), shortArray.withName("array_elem2"), MemoryLayout.paddingLayout(JAVA_SHORT.bitSize()));
    FunctionDescriptor fd = FunctionDescriptor.of(JAVA_SHORT, JAVA_SHORT, structLayout);
    NativeSymbol functionSymbol = nativeLibLookup.lookup("addShortAndShortsFromStructWithNestedShortArray_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_SHORT, 0, (short) 111);
        structSegmt.set(JAVA_SHORT, 2, (short) 222);
        structSegmt.set(JAVA_SHORT, 4, (short) 333);
        short result = (short) mh.invokeExact((short) 444, structSegmt);
        Assert.assertEquals(result, 1110);
    }
}

Example 39 with NativeSymbol

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

the class StructTests1 method test_addFloatAndFloatsFromStructWithNestedFloatArray_1.

@Test
public void test_addFloatAndFloatsFromStructWithNestedFloatArray_1() throws Throwable {
    SequenceLayout floatArray = MemoryLayout.sequenceLayout(2, JAVA_FLOAT);
    GroupLayout structLayout = MemoryLayout.structLayout(floatArray.withName("array_elem1"), JAVA_FLOAT.withName("elem2"));
    FunctionDescriptor fd = FunctionDescriptor.of(JAVA_FLOAT, JAVA_FLOAT, structLayout);
    NativeSymbol functionSymbol = nativeLibLookup.lookup("addFloatAndFloatsFromStructWithNestedFloatArray").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_FLOAT, 0, 111.11F);
        structSegmt.set(JAVA_FLOAT, 4, 222.22F);
        structSegmt.set(JAVA_FLOAT, 8, 333.33F);
        float result = (float) mh.invokeExact(444.44F, structSegmt);
        Assert.assertEquals(result, 1111.1F, 0.01F);
    }
}

Example 40 with NativeSymbol

use of jdk.incubator.foreign.NativeSymbol 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);
    }
}