use of jdk.incubator.foreign.SegmentAllocator in project openj9 by eclipse.
the class StructTests1 method test_add2BoolStructsWithXor_returnStructPointer_1.
@Test
public void test_add2BoolStructsWithXor_returnStructPointer_1() throws Throwable {
GroupLayout structLayout = MemoryLayout.structLayout(C_CHAR.withName("elem1"), C_CHAR.withName("elem2"));
VarHandle boolHandle1 = structLayout.varHandle(byte.class, PathElement.groupElement("elem1"));
VarHandle boolHandle2 = 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);
Addressable functionSymbol = nativeLibLookup.lookup("add2BoolStructsWithXor_returnStructPointer").get();
MethodHandle mh = clinker.downcallHandle(functionSymbol, mt, fd);
try (ResourceScope scope = ResourceScope.newConfinedScope()) {
SegmentAllocator allocator = SegmentAllocator.ofScope(scope);
MemorySegment structSegmt1 = allocator.allocate(structLayout);
boolHandle1.set(structSegmt1, (byte) 1);
boolHandle2.set(structSegmt1, (byte) 0);
MemorySegment structSegmt2 = allocator.allocate(structLayout);
boolHandle1.set(structSegmt2, (byte) 1);
boolHandle2.set(structSegmt2, (byte) 1);
MemoryAddress resultAddr = (MemoryAddress) mh.invokeExact(structSegmt1.address(), structSegmt2);
MemorySegment resultSegmt = resultAddr.asSegment(structLayout.byteSize(), scope);
Assert.assertEquals((byte) boolHandle1.get(resultSegmt), (byte) 0);
Assert.assertEquals((byte) boolHandle2.get(resultSegmt), (byte) 1);
}
}
use of jdk.incubator.foreign.SegmentAllocator 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(C_DOUBLE.withName("elem1"), C_DOUBLE.withName("elem2"));
SequenceLayout structArray = MemoryLayout.sequenceLayout(2, doubleStruct);
GroupLayout structLayout = MemoryLayout.structLayout(C_DOUBLE.withName("elem1"), structArray.withName("struct_array_elem2"));
MethodType mt = MethodType.methodType(double.class, double.class, MemorySegment.class);
FunctionDescriptor fd = FunctionDescriptor.of(C_DOUBLE, C_DOUBLE, structLayout);
Addressable functionSymbol = nativeLibLookup.lookup("addDoubleAndDoublesFromStructWithNestedStructArray_reverseOrder").get();
MethodHandle mh = clinker.downcallHandle(functionSymbol, mt, fd);
try (ResourceScope scope = ResourceScope.newConfinedScope()) {
SegmentAllocator allocator = SegmentAllocator.ofScope(scope);
MemorySegment structSegmt = allocator.allocate(structLayout);
MemoryAccess.setDoubleAtOffset(structSegmt, 0, 111.111D);
MemoryAccess.setDoubleAtOffset(structSegmt, 8, 222.222D);
MemoryAccess.setDoubleAtOffset(structSegmt, 16, 333.333D);
MemoryAccess.setDoubleAtOffset(structSegmt, 24, 444.444D);
MemoryAccess.setDoubleAtOffset(structSegmt, 32, 555.555D);
double result = (double) mh.invokeExact(666.666D, structSegmt);
Assert.assertEquals(result, 2333.331D, 0.001D);
}
}
use of jdk.incubator.foreign.SegmentAllocator in project openj9 by eclipse.
the class StructTests1 method test_addDoubleAndFloatDoubleFromStruct_1.
@Test
public void test_addDoubleAndFloatDoubleFromStruct_1() throws Throwable {
GroupLayout structLayout = null;
MemorySegment structSegmt = null;
try (ResourceScope scope = ResourceScope.newConfinedScope()) {
SegmentAllocator allocator = SegmentAllocator.ofScope(scope);
/* The size of [float, double] on AIX/PPC 64-bit is 12 bytes without padding by default
* while the same struct is 16 bytes with padding on other platforms.
*/
if (isAixOS) {
structLayout = MemoryLayout.structLayout(C_FLOAT.withName("elem1"), C_DOUBLE.withName("elem2"));
structSegmt = allocator.allocate(structLayout);
MemoryAccess.setFloatAtOffset(structSegmt, 0, 18.444F);
MemoryAccess.setDoubleAtOffset(structSegmt, 4, 619.777D);
} else {
structLayout = MemoryLayout.structLayout(C_FLOAT.withName("elem1"), MemoryLayout.paddingLayout(C_FLOAT.bitSize()), C_DOUBLE.withName("elem2"));
VarHandle elemHandle1 = structLayout.varHandle(float.class, PathElement.groupElement("elem1"));
VarHandle elemHandle2 = structLayout.varHandle(double.class, PathElement.groupElement("elem2"));
structSegmt = allocator.allocate(structLayout);
elemHandle1.set(structSegmt, 18.444F);
elemHandle2.set(structSegmt, 619.777D);
}
MethodType mt = MethodType.methodType(double.class, double.class, MemorySegment.class);
FunctionDescriptor fd = FunctionDescriptor.of(C_DOUBLE, C_DOUBLE, structLayout);
Addressable functionSymbol = nativeLibLookup.lookup("addDoubleAndFloatDoubleFromStruct").get();
MethodHandle mh = clinker.downcallHandle(functionSymbol, mt, fd);
double result = (double) mh.invokeExact(113.567D, structSegmt);
Assert.assertEquals(result, 751.788D, 0.001D);
}
}
use of jdk.incubator.foreign.SegmentAllocator in project openj9 by eclipse.
the class StructTests1 method test_addCharAndCharsFromStructWithNestedCharArray_reverseOrder_1.
@Test
public void test_addCharAndCharsFromStructWithNestedCharArray_reverseOrder_1() throws Throwable {
SequenceLayout charArray = MemoryLayout.sequenceLayout(2, C_SHORT);
GroupLayout structLayout = MemoryLayout.structLayout(C_SHORT.withName("elem1"), charArray.withName("array_elem2"), MemoryLayout.paddingLayout(C_SHORT.bitSize()));
MethodType mt = MethodType.methodType(char.class, char.class, MemorySegment.class);
FunctionDescriptor fd = FunctionDescriptor.of(C_SHORT, C_SHORT, structLayout);
Addressable functionSymbol = nativeLibLookup.lookup("addCharAndCharsFromStructWithNestedCharArray_reverseOrder").get();
MethodHandle mh = clinker.downcallHandle(functionSymbol, mt, fd);
try (ResourceScope scope = ResourceScope.newConfinedScope()) {
SegmentAllocator allocator = SegmentAllocator.ofScope(scope);
MemorySegment structSegmt = allocator.allocate(structLayout);
MemoryAccess.setCharAtOffset(structSegmt, 0, 'A');
MemoryAccess.setCharAtOffset(structSegmt, 2, 'B');
MemoryAccess.setCharAtOffset(structSegmt, 4, 'C');
char result = (char) mh.invokeExact('D', structSegmt);
Assert.assertEquals(result, 'G');
}
}
use of jdk.incubator.foreign.SegmentAllocator in project openj9 by eclipse.
the class StructTests1 method test_add2FloatStructs_returnStruct_1.
@Test
public void test_add2FloatStructs_returnStruct_1() throws Throwable {
GroupLayout structLayout = MemoryLayout.structLayout(C_FLOAT.withName("elem1"), C_FLOAT.withName("elem2"));
VarHandle floatHandle1 = structLayout.varHandle(float.class, PathElement.groupElement("elem1"));
VarHandle floatHandle2 = structLayout.varHandle(float.class, PathElement.groupElement("elem2"));
MethodType mt = MethodType.methodType(MemorySegment.class, MemorySegment.class, MemorySegment.class);
FunctionDescriptor fd = FunctionDescriptor.of(structLayout, structLayout, structLayout);
Addressable functionSymbol = nativeLibLookup.lookup("add2FloatStructs_returnStruct").get();
try (ResourceScope scope = ResourceScope.newConfinedScope()) {
SegmentAllocator allocator = SegmentAllocator.ofScope(scope);
MethodHandle mh = clinker.downcallHandle(functionSymbol, allocator, mt, fd);
MemorySegment structSegmt1 = allocator.allocate(structLayout);
floatHandle1.set(structSegmt1, 25.12F);
floatHandle2.set(structSegmt1, 11.23F);
MemorySegment structSegmt2 = allocator.allocate(structLayout);
floatHandle1.set(structSegmt2, 24.34F);
floatHandle2.set(structSegmt2, 13.45F);
MemorySegment resultSegmt = (MemorySegment) mh.invokeExact(structSegmt1, structSegmt2);
Assert.assertEquals((float) floatHandle1.get(resultSegmt), 49.46F, 0.01F);
Assert.assertEquals((float) floatHandle2.get(resultSegmt), 24.68F, 0.01F);
}
}
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