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

Example 96 with SequenceLayout

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

the class StructTests1 method test_addFloatAndFloatsFromStructWithNestedStructArray_withoutLayoutName_1.

@Test
public void test_addFloatAndFloatsFromStructWithNestedStructArray_withoutLayoutName_1() throws Throwable {
    GroupLayout floatStruct = MemoryLayout.structLayout(JAVA_FLOAT, JAVA_FLOAT);
    SequenceLayout structArray = MemoryLayout.sequenceLayout(2, floatStruct);
    GroupLayout structLayout = MemoryLayout.structLayout(structArray, JAVA_FLOAT);
    FunctionDescriptor fd = FunctionDescriptor.of(JAVA_FLOAT, JAVA_FLOAT, structLayout);
    NativeSymbol functionSymbol = nativeLibLookup.lookup("addFloatAndFloatsFromStructWithNestedStructArray").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);
        structSegmt.set(JAVA_FLOAT, 12, 444.44F);
        structSegmt.set(JAVA_FLOAT, 16, 555.55F);
        float result = (float) mh.invokeExact(666.66F, structSegmt);
        Assert.assertEquals(result, 2333.31F, 0.01F);
    }
}

Example 97 with SequenceLayout

use of jdk.incubator.foreign.SequenceLayout 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 98 with SequenceLayout

use of jdk.incubator.foreign.SequenceLayout 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 99 with SequenceLayout

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

the class StructTests1 method test_addBoolAndBoolsFromStructWithNestedStructArray_reverseOrder_1.

@Test
public void test_addBoolAndBoolsFromStructWithNestedStructArray_reverseOrder_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(JAVA_BOOLEAN.withName("elem1"), structArray.withName("struct_array_elem2"), MemoryLayout.paddingLayout(JAVA_BOOLEAN.bitSize() * 3));
    FunctionDescriptor fd = FunctionDescriptor.of(JAVA_BOOLEAN, JAVA_BOOLEAN, structLayout);
    NativeSymbol functionSymbol = nativeLibLookup.lookup("addBoolAndBoolsFromStructWithNestedStructArray_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, 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 100 with SequenceLayout

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

the class StructTests2 method test_addLongAndLongsFromStructWithNestedStructArray_withoutLayoutName_2.

@Test
public void test_addLongAndLongsFromStructWithNestedStructArray_withoutLayoutName_2() throws Throwable {
    GroupLayout longStruct = MemoryLayout.structLayout(JAVA_LONG, JAVA_LONG);
    SequenceLayout structArray = MemoryLayout.sequenceLayout(2, longStruct);
    GroupLayout structLayout = MemoryLayout.structLayout(structArray, JAVA_LONG);
    FunctionDescriptor fd = FunctionDescriptor.of(JAVA_LONG, JAVA_LONG, structLayout);
    NativeSymbol functionSymbol = nativeLibLookup.lookup("addLongAndLongsFromStructWithNestedStructArray").get();
    MethodHandle mh = clinker.downcallHandle(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(functionSymbol, 666666666L, structSegmt);
        Assert.assertEquals(result, 2333333331L);
    }
}