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

Example 21 with NativeSymbol

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

the class StructTests1 method test_addBoolAndBoolsFromNestedStructWithXor_withoutLayoutName_1.

@Test
public void test_addBoolAndBoolsFromNestedStructWithXor_withoutLayoutName_1() throws Throwable {
    GroupLayout nestedStructLayout = MemoryLayout.structLayout(JAVA_BOOLEAN, JAVA_BOOLEAN);
    GroupLayout structLayout = MemoryLayout.structLayout(nestedStructLayout, JAVA_BOOLEAN);
    FunctionDescriptor fd = FunctionDescriptor.of(JAVA_BOOLEAN, JAVA_BOOLEAN, structLayout);
    NativeSymbol functionSymbol = nativeLibLookup.lookup("addBoolAndBoolsFromNestedStructWithXor").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, true);
        structSegmt.set(JAVA_BOOLEAN, 1, false);
        structSegmt.set(JAVA_BOOLEAN, 2, true);
        boolean result = (boolean) mh.invokeExact(true, structSegmt);
        Assert.assertEquals(result, true);
    }
}

Example 22 with NativeSymbol

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

the class StructTests1 method test_addDoubleAndDoublesFromStructWithNestedDoubleArray_1.

@Test
public void test_addDoubleAndDoublesFromStructWithNestedDoubleArray_1() throws Throwable {
    SequenceLayout doubleArray = MemoryLayout.sequenceLayout(2, JAVA_DOUBLE);
    GroupLayout structLayout = MemoryLayout.structLayout(doubleArray.withName("array_elem1"), JAVA_DOUBLE.withName("elem2"));
    FunctionDescriptor fd = FunctionDescriptor.of(JAVA_DOUBLE, JAVA_DOUBLE, structLayout);
    NativeSymbol functionSymbol = nativeLibLookup.lookup("addDoubleAndDoublesFromStructWithNestedDoubleArray").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);
        double result = (double) mh.invokeExact(444.444D, structSegmt);
        Assert.assertEquals(result, 1111.11D, 0.001D);
    }
}

Example 23 with NativeSymbol

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

the class StructTests1 method test_addBoolAndBoolsFromNestedStructWithXor_reverseOrder_1.

@Test
public void test_addBoolAndBoolsFromNestedStructWithXor_reverseOrder_1() throws Throwable {
    GroupLayout nestedStructLayout = MemoryLayout.structLayout(JAVA_BOOLEAN.withName("elem1"), JAVA_BOOLEAN.withName("elem2"));
    GroupLayout structLayout = MemoryLayout.structLayout(JAVA_BOOLEAN.withName("elem1"), nestedStructLayout.withName("struct_elem2"), MemoryLayout.paddingLayout(JAVA_BOOLEAN.bitSize()));
    FunctionDescriptor fd = FunctionDescriptor.of(JAVA_BOOLEAN, JAVA_BOOLEAN, structLayout);
    NativeSymbol functionSymbol = nativeLibLookup.lookup("addBoolAndBoolsFromNestedStructWithXor_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, true);
        structSegmt.set(JAVA_BOOLEAN, 1, false);
        structSegmt.set(JAVA_BOOLEAN, 2, true);
        boolean result = (boolean) mh.invokeExact(true, structSegmt);
        Assert.assertEquals(result, true);
    }
}

Example 24 with NativeSymbol

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

the class StructTests1 method test_addLongAndLongsFromStructWithNestedStructArray_reverseOrder_1.

@Test
public void test_addLongAndLongsFromStructWithNestedStructArray_reverseOrder_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(JAVA_LONG.withName("elem1"), structArray.withName("struct_array_elem2"));
    FunctionDescriptor fd = FunctionDescriptor.of(JAVA_LONG, JAVA_LONG, structLayout);
    NativeSymbol functionSymbol = nativeLibLookup.lookup("addLongAndLongsFromStructWithNestedStructArray_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_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 25 with NativeSymbol

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

the class StructTests1 method test_addByteAndBytesFromNestedStruct_withoutLayoutName_1.

@Test
public void test_addByteAndBytesFromNestedStruct_withoutLayoutName_1() throws Throwable {
    GroupLayout nestedStructLayout = MemoryLayout.structLayout(JAVA_BYTE, JAVA_BYTE);
    GroupLayout structLayout = MemoryLayout.structLayout(nestedStructLayout, JAVA_BYTE);
    FunctionDescriptor fd = FunctionDescriptor.of(JAVA_BYTE, JAVA_BYTE, structLayout);
    NativeSymbol functionSymbol = nativeLibLookup.lookup("addByteAndBytesFromNestedStruct").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_BYTE, 0, (byte) 11);
        structSegmt.set(JAVA_BYTE, 1, (byte) 22);
        structSegmt.set(JAVA_BYTE, 2, (byte) 33);
        byte result = (byte) mh.invokeExact((byte) 46, structSegmt);
        Assert.assertEquals(result, 112);
    }
}