Examples with Symbol jdk.incubator.foreign.LibraryLookup.Symbol used on opensource projects

Example 71 with Symbol

use of jdk.incubator.foreign.LibraryLookup.Symbol in project openj9 by eclipse.

the class StructTests method test_addLongAndLongsFromStructWithNestedLongArray_withoutLayoutName.

@Test
public void test_addLongAndLongsFromStructWithNestedLongArray_withoutLayoutName() throws Throwable {
    SequenceLayout longArray = MemoryLayout.ofSequence(2, longLayout);
    GroupLayout structLayout = MemoryLayout.ofStruct(longArray, longLayout);
    MethodType mt = MethodType.methodType(long.class, long.class, MemorySegment.class);
    FunctionDescriptor fd = FunctionDescriptor.of(longLayout, longLayout, structLayout);
    Symbol functionSymbol = nativeLib.lookup("addLongAndLongsFromStructWithNestedLongArray").get();
    MethodHandle mh = clinker.downcallHandle(functionSymbol, mt, fd);
    MemorySegment structSegmt = MemorySegment.allocateNative(structLayout);
    MemoryAccess.setLongAtOffset(structSegmt, 0, 111111111L);
    MemoryAccess.setLongAtOffset(structSegmt, 8, 222222222L);
    MemoryAccess.setLongAtOffset(structSegmt, 16, 333333333L);
    long result = (long) mh.invokeExact(444444444L, structSegmt);
    Assert.assertEquals(result, 1111111110L);
    structSegmt.close();
}

Example 72 with Symbol

use of jdk.incubator.foreign.LibraryLookup.Symbol in project openj9 by eclipse.

the class StructTests method test_add3ShortStructs_returnStruct.

@Test
public void test_add3ShortStructs_returnStruct() throws Throwable {
    GroupLayout structLayout = MemoryLayout.ofStruct(C_SHORT.withName("elem1"), C_SHORT.withName("elem2"), C_SHORT.withName("elem3"), MemoryLayout.ofPaddingBits(C_SHORT.bitSize()));
    VarHandle shortHandle1 = structLayout.varHandle(short.class, PathElement.groupElement("elem1"));
    VarHandle shortHandle2 = structLayout.varHandle(short.class, PathElement.groupElement("elem2"));
    VarHandle shortHandle3 = structLayout.varHandle(short.class, PathElement.groupElement("elem3"));
    MethodType mt = MethodType.methodType(MemorySegment.class, MemorySegment.class, MemorySegment.class);
    FunctionDescriptor fd = FunctionDescriptor.of(structLayout, structLayout, structLayout);
    Symbol functionSymbol = nativeLib.lookup("add3ShortStructs_returnStruct").get();
    MethodHandle mh = clinker.downcallHandle(functionSymbol, mt, fd);
    MemorySegment structSegmt1 = MemorySegment.allocateNative(structLayout);
    shortHandle1.set(structSegmt1, (short) 25);
    shortHandle2.set(structSegmt1, (short) 26);
    shortHandle3.set(structSegmt1, (short) 27);
    MemorySegment structSegmt2 = MemorySegment.allocateNative(structLayout);
    shortHandle1.set(structSegmt2, (short) 34);
    shortHandle2.set(structSegmt2, (short) 35);
    shortHandle3.set(structSegmt2, (short) 36);
    MemorySegment resultSegmt = (MemorySegment) mh.invokeExact(structSegmt1, structSegmt2);
    Assert.assertEquals((short) shortHandle1.get(resultSegmt), (short) 59);
    Assert.assertEquals((short) shortHandle2.get(resultSegmt), (short) 61);
    Assert.assertEquals((short) shortHandle3.get(resultSegmt), (short) 63);
    structSegmt1.close();
    structSegmt2.close();
    resultSegmt.close();
}

Example 73 with Symbol

use of jdk.incubator.foreign.LibraryLookup.Symbol in project openj9 by eclipse.

the class StructTests method test_add2FloatStructs_returnStructPointer.

@Test
public void test_add2FloatStructs_returnStructPointer() throws Throwable {
    GroupLayout structLayout = MemoryLayout.ofStruct(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(MemoryAddress.class, MemoryAddress.class, MemorySegment.class);
    FunctionDescriptor fd = FunctionDescriptor.of(C_POINTER, C_POINTER, structLayout);
    Symbol functionSymbol = nativeLib.lookup("add2FloatStructs_returnStructPointer").get();
    MethodHandle mh = clinker.downcallHandle(functionSymbol, mt, fd);
    MemorySegment structSegmt1 = MemorySegment.allocateNative(structLayout);
    floatHandle1.set(structSegmt1, 25.12F);
    floatHandle2.set(structSegmt1, 11.23F);
    MemorySegment structSegmt2 = MemorySegment.allocateNative(structLayout);
    floatHandle1.set(structSegmt2, 24.34F);
    floatHandle2.set(structSegmt2, 13.45F);
    MemoryAddress resultAddr = (MemoryAddress) mh.invokeExact(structSegmt1.address(), structSegmt2);
    MemorySegment resultSegmt = resultAddr.asSegmentRestricted(structLayout.byteSize());
    Assert.assertEquals((float) floatHandle1.get(resultSegmt), 49.46F, 0.01F);
    Assert.assertEquals((float) floatHandle2.get(resultSegmt), 24.68F, 0.01F);
    structSegmt1.close();
    structSegmt2.close();
    resultSegmt.close();
}

Example 74 with Symbol

use of jdk.incubator.foreign.LibraryLookup.Symbol in project openj9 by eclipse.

the class StructTests method test_addFloatAndFloatsFromStructWithNestedStructArray.

@Test
public void test_addFloatAndFloatsFromStructWithNestedStructArray() throws Throwable {
    GroupLayout floatStruct = MemoryLayout.ofStruct(C_FLOAT.withName("elem1"), C_FLOAT.withName("elem2"));
    SequenceLayout structArray = MemoryLayout.ofSequence(2, floatStruct);
    GroupLayout structLayout = MemoryLayout.ofStruct(structArray.withName("struct_array_elem1"), C_FLOAT.withName("elem2"));
    MethodType mt = MethodType.methodType(float.class, float.class, MemorySegment.class);
    FunctionDescriptor fd = FunctionDescriptor.of(C_FLOAT, C_FLOAT, structLayout);
    Symbol functionSymbol = nativeLib.lookup("addFloatAndFloatsFromStructWithNestedStructArray").get();
    MethodHandle mh = clinker.downcallHandle(functionSymbol, mt, fd);
    MemorySegment structSegmt = MemorySegment.allocateNative(structLayout);
    MemoryAccess.setFloatAtOffset(structSegmt, 0, 111.11F);
    MemoryAccess.setFloatAtOffset(structSegmt, 4, 222.22F);
    MemoryAccess.setFloatAtOffset(structSegmt, 8, 333.33F);
    MemoryAccess.setFloatAtOffset(structSegmt, 12, 444.44F);
    MemoryAccess.setFloatAtOffset(structSegmt, 16, 555.55F);
    float result = (float) mh.invokeExact(666.66F, structSegmt);
    Assert.assertEquals(result, 2333.31F, 0.01F);
    structSegmt.close();
}

Example 75 with Symbol

use of jdk.incubator.foreign.LibraryLookup.Symbol in project openj9 by eclipse.

the class StructTests method test_add3ByteStructs_returnStruct.

@Test
public void test_add3ByteStructs_returnStruct() throws Throwable {
    GroupLayout structLayout = MemoryLayout.ofStruct(C_CHAR.withName("elem1"), C_CHAR.withName("elem2"), C_CHAR.withName("elem3"), MemoryLayout.ofPaddingBits(C_CHAR.bitSize()));
    VarHandle byteHandle1 = structLayout.varHandle(byte.class, PathElement.groupElement("elem1"));
    VarHandle byteHandle2 = structLayout.varHandle(byte.class, PathElement.groupElement("elem2"));
    VarHandle byteHandle3 = structLayout.varHandle(byte.class, PathElement.groupElement("elem3"));
    MethodType mt = MethodType.methodType(MemorySegment.class, MemorySegment.class, MemorySegment.class);
    FunctionDescriptor fd = FunctionDescriptor.of(structLayout, structLayout, structLayout);
    Symbol functionSymbol = nativeLib.lookup("add3ByteStructs_returnStruct").get();
    MethodHandle mh = clinker.downcallHandle(functionSymbol, mt, fd);
    MemorySegment structSegmt1 = MemorySegment.allocateNative(structLayout);
    byteHandle1.set(structSegmt1, (byte) 25);
    byteHandle2.set(structSegmt1, (byte) 11);
    byteHandle3.set(structSegmt1, (byte) 12);
    MemorySegment structSegmt2 = MemorySegment.allocateNative(structLayout);
    byteHandle1.set(structSegmt2, (byte) 24);
    byteHandle2.set(structSegmt2, (byte) 13);
    byteHandle3.set(structSegmt2, (byte) 16);
    MemorySegment resultSegmt = (MemorySegment) mh.invokeExact(structSegmt1, structSegmt2);
    Assert.assertEquals((byte) byteHandle1.get(resultSegmt), (byte) 49);
    Assert.assertEquals((byte) byteHandle2.get(resultSegmt), (byte) 24);
    Assert.assertEquals((byte) byteHandle3.get(resultSegmt), (byte) 28);
    structSegmt1.close();
    structSegmt2.close();
    resultSegmt.close();
}