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

Example 71 with NativeSymbol

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

the class StructTests1 method test_addFloatAndFloatsFromNestedStruct_withoutLayoutName_1.

@Test
public void test_addFloatAndFloatsFromNestedStruct_withoutLayoutName_1() throws Throwable {
    GroupLayout nestedStructLayout = MemoryLayout.structLayout(JAVA_FLOAT, JAVA_FLOAT);
    GroupLayout structLayout = MemoryLayout.structLayout(nestedStructLayout, JAVA_FLOAT);
    FunctionDescriptor fd = FunctionDescriptor.of(JAVA_FLOAT, JAVA_FLOAT, structLayout);
    NativeSymbol functionSymbol = nativeLibLookup.lookup("addFloatAndFloatsFromNestedStruct").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, 31.22F);
        structSegmt.set(JAVA_FLOAT, 4, 33.44F);
        structSegmt.set(JAVA_FLOAT, 8, 35.66F);
        float result = (float) mh.invokeExact(37.88F, structSegmt);
        Assert.assertEquals(result, 138.2F, 0.01F);
    }
}

Example 72 with NativeSymbol

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

the class StructTests1 method test_addBoolAndBoolsFromStructWithNestedStructArray_1.

@Test
public void test_addBoolAndBoolsFromStructWithNestedStructArray_1() throws Throwable {
    GroupLayout boolStruct = MemoryLayout.structLayout(JAVA_BOOLEAN.withName("elem1"), JAVA_BOOLEAN.withName("elem2"));
    SequenceLayout structArray = MemoryLayout.sequenceLayout(2, boolStruct);
    GroupLayout structLayout = MemoryLayout.structLayout(structArray.withName("struct_array_elem1"), JAVA_BOOLEAN.withName("elem2"), MemoryLayout.paddingLayout(JAVA_BOOLEAN.bitSize() * 3));
    FunctionDescriptor fd = FunctionDescriptor.of(JAVA_BOOLEAN, JAVA_BOOLEAN, structLayout);
    NativeSymbol functionSymbol = nativeLibLookup.lookup("addBoolAndBoolsFromStructWithNestedStructArray").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, false);
        structSegmt.set(JAVA_BOOLEAN, 1, true);
        structSegmt.set(JAVA_BOOLEAN, 2, false);
        structSegmt.set(JAVA_BOOLEAN, 3, true);
        structSegmt.set(JAVA_BOOLEAN, 4, false);
        boolean result = (boolean) mh.invokeExact(true, structSegmt);
        Assert.assertEquals(result, true);
    }
}

Example 73 with NativeSymbol

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

the class StructTests1 method test_addIntAndIntsFromStructWithNestedStructArray_withoutLayoutName_1.

@Test
public void test_addIntAndIntsFromStructWithNestedStructArray_withoutLayoutName_1() throws Throwable {
    GroupLayout intStruct = MemoryLayout.structLayout(JAVA_INT, JAVA_INT);
    SequenceLayout structArray = MemoryLayout.sequenceLayout(2, intStruct);
    GroupLayout structLayout = MemoryLayout.structLayout(structArray, JAVA_INT);
    FunctionDescriptor fd = FunctionDescriptor.of(JAVA_INT, JAVA_INT, structLayout);
    NativeSymbol functionSymbol = nativeLibLookup.lookup("addIntAndIntsFromStructWithNestedStructArray").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_INT, 0, 1111111);
        structSegmt.set(JAVA_INT, 4, 2222222);
        structSegmt.set(JAVA_INT, 8, 3333333);
        structSegmt.set(JAVA_INT, 12, 4444444);
        structSegmt.set(JAVA_INT, 16, 5555555);
        int result = (int) mh.invokeExact(6666666, structSegmt);
        Assert.assertEquals(result, 23333331);
    }
}

Example 74 with NativeSymbol

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

the class StructTests1 method test_addIntAndIntShortFromStruct_1.

@Test
public void test_addIntAndIntShortFromStruct_1() throws Throwable {
    GroupLayout structLayout = MemoryLayout.structLayout(JAVA_INT.withName("elem1"), JAVA_SHORT.withName("elem2"), MemoryLayout.paddingLayout(JAVA_SHORT.bitSize()));
    VarHandle elemHandle1 = structLayout.varHandle(PathElement.groupElement("elem1"));
    VarHandle elemHandle2 = structLayout.varHandle(PathElement.groupElement("elem2"));
    FunctionDescriptor fd = FunctionDescriptor.of(JAVA_INT, JAVA_INT, structLayout);
    NativeSymbol functionSymbol = nativeLibLookup.lookup("addIntAndIntShortFromStruct").get();
    MethodHandle mh = clinker.downcallHandle(functionSymbol, fd);
    try (ResourceScope scope = ResourceScope.newConfinedScope()) {
        SegmentAllocator allocator = SegmentAllocator.nativeAllocator(scope);
        MemorySegment structSegmt = allocator.allocate(structLayout);
        elemHandle1.set(structSegmt, 11223344);
        elemHandle2.set(structSegmt, (short) 32766);
        int result = (int) mh.invokeExact(22334455, structSegmt);
        Assert.assertEquals(result, 33590565);
    }
}

Example 75 with NativeSymbol

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

the class StructTests1 method test_addShortAndShortsFromStruct_1.

@Test
public void test_addShortAndShortsFromStruct_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, structLayout);
    NativeSymbol functionSymbol = nativeLibLookup.lookup("addShortAndShortsFromStruct").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) 8);
        shortHandle2.set(structSegmt, (short) 9);
        short result = (short) mh.invokeExact((short) 6, structSegmt);
        Assert.assertEquals(result, 23);
    }
}