use of jdk.incubator.foreign.GroupLayout in project openj9 by eclipse.
the class StructTests method test_addShortAndShortsFromStructWithNestedShortArray_withoutLayoutName.
@Test
public void test_addShortAndShortsFromStructWithNestedShortArray_withoutLayoutName() throws Throwable {
SequenceLayout shortArray = MemoryLayout.ofSequence(2, C_SHORT);
GroupLayout structLayout = MemoryLayout.ofStruct(shortArray, C_SHORT, MemoryLayout.ofPaddingBits(C_SHORT.bitSize()));
MethodType mt = MethodType.methodType(short.class, short.class, MemorySegment.class);
FunctionDescriptor fd = FunctionDescriptor.of(C_SHORT, C_SHORT, structLayout);
Symbol functionSymbol = nativeLib.lookup("addShortAndShortsFromStructWithNestedShortArray").get();
MethodHandle mh = clinker.downcallHandle(functionSymbol, mt, fd);
MemorySegment structSegmt = MemorySegment.allocateNative(structLayout);
MemoryAccess.setShortAtOffset(structSegmt, 0, (short) 111);
MemoryAccess.setShortAtOffset(structSegmt, 2, (short) 222);
MemoryAccess.setShortAtOffset(structSegmt, 4, (short) 333);
short result = (short) mh.invokeExact((short) 444, structSegmt);
Assert.assertEquals(result, 1110);
structSegmt.close();
}
use of jdk.incubator.foreign.GroupLayout in project openj9 by eclipse.
the class StructTests method test_addByteAndBytesFromStructWithNestedStructArray_reverseOrder.
@Test
public void test_addByteAndBytesFromStructWithNestedStructArray_reverseOrder() throws Throwable {
GroupLayout byteStruct = MemoryLayout.ofStruct(C_CHAR.withName("elem1"), C_CHAR.withName("elem2"));
SequenceLayout structArray = MemoryLayout.ofSequence(2, byteStruct);
GroupLayout structLayout = MemoryLayout.ofStruct(C_CHAR.withName("elem1"), structArray.withName("struct_array_elem2"), MemoryLayout.ofPaddingBits(C_CHAR.bitSize() * 3));
MethodType mt = MethodType.methodType(byte.class, byte.class, MemorySegment.class);
FunctionDescriptor fd = FunctionDescriptor.of(C_CHAR, C_CHAR, structLayout);
Symbol functionSymbol = nativeLib.lookup("addByteAndBytesFromStructWithNestedStructArray_reverseOrder").get();
MethodHandle mh = clinker.downcallHandle(functionSymbol, mt, fd);
MemorySegment structSegmt = MemorySegment.allocateNative(structLayout);
MemoryAccess.setByteAtOffset(structSegmt, 0, (byte) 12);
MemoryAccess.setByteAtOffset(structSegmt, 1, (byte) 14);
MemoryAccess.setByteAtOffset(structSegmt, 2, (byte) 16);
MemoryAccess.setByteAtOffset(structSegmt, 3, (byte) 18);
MemoryAccess.setByteAtOffset(structSegmt, 4, (byte) 20);
byte result = (byte) mh.invokeExact((byte) 22, structSegmt);
Assert.assertEquals(result, 102);
structSegmt.close();
}
use of jdk.incubator.foreign.GroupLayout in project openj9 by eclipse.
the class StructTests method test_addIntAndShortIntFromStruct.
@Test
public void test_addIntAndShortIntFromStruct() throws Throwable {
GroupLayout structLayout = MemoryLayout.ofStruct(C_SHORT.withName("elem1"), MemoryLayout.ofPaddingBits(C_SHORT.bitSize()), C_INT.withName("elem2"));
VarHandle elemHandle1 = structLayout.varHandle(short.class, PathElement.groupElement("elem1"));
VarHandle elemHandle2 = structLayout.varHandle(int.class, PathElement.groupElement("elem2"));
MethodType mt = MethodType.methodType(int.class, int.class, MemorySegment.class);
FunctionDescriptor fd = FunctionDescriptor.of(C_INT, C_INT, structLayout);
Symbol functionSymbol = nativeLib.lookup("addIntAndShortIntFromStruct").get();
MethodHandle mh = clinker.downcallHandle(functionSymbol, mt, fd);
MemorySegment structSegmt = MemorySegment.allocateNative(structLayout);
elemHandle1.set(structSegmt, (short) 32766);
elemHandle2.set(structSegmt, 22446688);
int result = (int) mh.invokeExact(11335577, structSegmt);
Assert.assertEquals(result, 33815031);
structSegmt.close();
}
use of jdk.incubator.foreign.GroupLayout in project openj9 by eclipse.
the class StructTests method test_addShortFromPointerAndShortsFromStruct.
@Test
public void test_addShortFromPointerAndShortsFromStruct() throws Throwable {
GroupLayout structLayout = MemoryLayout.ofStruct(C_SHORT.withName("elem1"), C_SHORT.withName("elem2"));
VarHandle shortHandle1 = structLayout.varHandle(short.class, PathElement.groupElement("elem1"));
VarHandle shortHandle2 = structLayout.varHandle(short.class, PathElement.groupElement("elem2"));
MethodType mt = MethodType.methodType(short.class, MemoryAddress.class, MemorySegment.class);
FunctionDescriptor fd = FunctionDescriptor.of(C_SHORT, C_POINTER, structLayout);
Symbol functionSymbol = nativeLib.lookup("addShortFromPointerAndShortsFromStruct").get();
MethodHandle mh = clinker.downcallHandle(functionSymbol, mt, fd);
MemorySegment shortSegmt = MemorySegment.allocateNative(C_SHORT);
MemoryAccess.setShort(shortSegmt, (short) 12);
MemorySegment structSegmt = MemorySegment.allocateNative(structLayout);
shortHandle1.set(structSegmt, (short) 18);
shortHandle2.set(structSegmt, (short) 19);
short result = (short) mh.invokeExact(shortSegmt.address(), structSegmt);
Assert.assertEquals(result, 49);
shortSegmt.close();
structSegmt.close();
}
use of jdk.incubator.foreign.GroupLayout in project openj9 by eclipse.
the class StructTests method test_add2ByteStructs_returnStructPointer.
@Test
public void test_add2ByteStructs_returnStructPointer() throws Throwable {
GroupLayout structLayout = MemoryLayout.ofStruct(C_CHAR.withName("elem1"), C_CHAR.withName("elem2"));
VarHandle byteHandle1 = structLayout.varHandle(byte.class, PathElement.groupElement("elem1"));
VarHandle byteHandle2 = 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);
Symbol functionSymbol = nativeLib.lookup("add2ByteStructs_returnStructPointer").get();
MethodHandle mh = clinker.downcallHandle(functionSymbol, mt, fd);
MemorySegment structSegmt1 = MemorySegment.allocateNative(structLayout);
byteHandle1.set(structSegmt1, (byte) 25);
byteHandle2.set(structSegmt1, (byte) 11);
MemorySegment structSegmt2 = MemorySegment.allocateNative(structLayout);
byteHandle1.set(structSegmt2, (byte) 24);
byteHandle2.set(structSegmt2, (byte) 13);
MemoryAddress resultAddr = (MemoryAddress) mh.invokeExact(structSegmt1.address(), structSegmt2);
MemorySegment resultSegmt = resultAddr.asSegmentRestricted(structLayout.byteSize());
Assert.assertEquals((byte) byteHandle1.get(resultSegmt), (byte) 49);
Assert.assertEquals((byte) byteHandle2.get(resultSegmt), (byte) 24);
structSegmt1.close();
structSegmt2.close();
resultSegmt.close();
}
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