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

Example 16 with MemoryAddress

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

the class PrimitiveTypeTests2 method test_addTwoBoolsWithOr_fromMemAddr_2.

@Test
public void test_addTwoBoolsWithOr_fromMemAddr_2() throws Throwable {
    MethodType mt = MethodType.methodType(boolean.class, boolean.class, boolean.class);
    FunctionDescriptor fd = FunctionDescriptor.of(C_CHAR, C_CHAR, C_CHAR);
    Addressable functionSymbol = nativeLibLookup.lookup("add2BoolsWithOr").get();
    MemoryAddress memAddr = functionSymbol.address();
    MethodHandle mh = clinker.downcallHandle(memAddr, allocator, mt, fd);
    boolean result = (boolean) mh.invokeExact(true, false);
    Assert.assertEquals(result, true);
}

Example 17 with MemoryAddress

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

the class PrimitiveTypeTests2 method test_addTwoLongs_fromMemAddr_2.

@Test
public void test_addTwoLongs_fromMemAddr_2() throws Throwable {
    MethodType mt = MethodType.methodType(long.class, long.class, long.class);
    FunctionDescriptor fd = FunctionDescriptor.of(longLayout, longLayout, longLayout);
    Addressable functionSymbol = nativeLibLookup.lookup("add2Longs").get();
    MemoryAddress memAddr = functionSymbol.address();
    MethodHandle mh = clinker.downcallHandle(memAddr, allocator, mt, fd);
    long result = (long) mh.invokeExact(57424L, 698235L);
    Assert.assertEquals(result, 755659L);
}

Example 18 with MemoryAddress

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

the class StructTests method test_addIntFromPointerAndIntsFromStruct_returnIntPointer.

@Test
public void test_addIntFromPointerAndIntsFromStruct_returnIntPointer() throws Throwable {
    GroupLayout structLayout = MemoryLayout.ofStruct(C_INT.withName("elem1"), C_INT.withName("elem2"));
    VarHandle intHandle1 = structLayout.varHandle(int.class, PathElement.groupElement("elem1"));
    VarHandle intHandle2 = structLayout.varHandle(int.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("addIntFromPointerAndIntsFromStruct_returnIntPointer").get();
    MethodHandle mh = clinker.downcallHandle(functionSymbol, mt, fd);
    MemorySegment intSegmt = MemorySegment.allocateNative(C_INT);
    MemoryAccess.setInt(intSegmt, 1122333);
    MemorySegment structSegmt = MemorySegment.allocateNative(structLayout);
    intHandle1.set(structSegmt, 4455666);
    intHandle2.set(structSegmt, 7788999);
    MemoryAddress resultAddr = (MemoryAddress) mh.invokeExact(intSegmt.address(), structSegmt);
    MemorySegment resultSegmt = resultAddr.asSegmentRestricted(C_INT.byteSize());
    VarHandle intHandle = MemoryHandles.varHandle(int.class, ByteOrder.nativeOrder());
    int result = (int) intHandle.get(resultSegmt, 0);
    Assert.assertEquals(result, 13366998);
    Assert.assertEquals(resultSegmt.address().toRawLongValue(), intSegmt.address().toRawLongValue());
    intSegmt.close();
    structSegmt.close();
    resultSegmt.close();
}

Example 19 with MemoryAddress

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

the class StructTests method test_addDoubleFromPointerAndDoublesFromStruct_returnDoublePointer.

@Test
public void test_addDoubleFromPointerAndDoublesFromStruct_returnDoublePointer() throws Throwable {
    GroupLayout structLayout = MemoryLayout.ofStruct(C_DOUBLE.withName("elem1"), C_DOUBLE.withName("elem2"));
    VarHandle doubleHandle1 = structLayout.varHandle(double.class, PathElement.groupElement("elem1"));
    VarHandle doubleHandle2 = structLayout.varHandle(double.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("addDoubleFromPointerAndDoublesFromStruct_returnDoublePointer").get();
    MethodHandle mh = clinker.downcallHandle(functionSymbol, mt, fd);
    MemorySegment doubleSegmt = MemorySegment.allocateNative(C_DOUBLE);
    MemoryAccess.setDouble(doubleSegmt, 212.123D);
    MemorySegment structSegmt = MemorySegment.allocateNative(structLayout);
    doubleHandle1.set(structSegmt, 218.456D);
    doubleHandle2.set(structSegmt, 219.789D);
    MemoryAddress resultAddr = (MemoryAddress) mh.invokeExact(doubleSegmt.address(), structSegmt);
    MemorySegment resultSegmt = resultAddr.asSegmentRestricted(C_DOUBLE.byteSize());
    VarHandle doubleHandle = MemoryHandles.varHandle(double.class, ByteOrder.nativeOrder());
    double result = (double) doubleHandle.get(resultSegmt, 0);
    Assert.assertEquals(result, 650.368D, 0.001D);
    Assert.assertEquals(resultSegmt.address().toRawLongValue(), doubleSegmt.address().toRawLongValue());
    doubleSegmt.close();
    structSegmt.close();
    resultSegmt.close();
}

Example 20 with MemoryAddress

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

the class StructTests method test_addLongFromPointerAndLongsFromStruct_returnLongPointer.

@Test
public void test_addLongFromPointerAndLongsFromStruct_returnLongPointer() throws Throwable {
    GroupLayout structLayout = MemoryLayout.ofStruct(longLayout.withName("elem1"), longLayout.withName("elem2"));
    VarHandle longHandle1 = structLayout.varHandle(long.class, PathElement.groupElement("elem1"));
    VarHandle longHandle2 = structLayout.varHandle(long.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("addLongFromPointerAndLongsFromStruct_returnLongPointer").get();
    MethodHandle mh = clinker.downcallHandle(functionSymbol, mt, fd);
    MemorySegment longSegmt = MemorySegment.allocateNative(longLayout);
    MemoryAccess.setLong(longSegmt, 1122334455L);
    MemorySegment structSegmt = MemorySegment.allocateNative(structLayout);
    longHandle1.set(structSegmt, 6677889900L);
    longHandle2.set(structSegmt, 1234567890L);
    MemoryAddress resultAddr = (MemoryAddress) mh.invokeExact(longSegmt.address(), structSegmt);
    MemorySegment resultSegmt = resultAddr.asSegmentRestricted(longLayout.byteSize());
    VarHandle longHandle = MemoryHandles.varHandle(long.class, ByteOrder.nativeOrder());
    long result = (long) longHandle.get(resultSegmt, 0);
    Assert.assertEquals(result, 9034792245L);
    Assert.assertEquals(resultSegmt.address().toRawLongValue(), longSegmt.address().toRawLongValue());
    longSegmt.close();
    structSegmt.close();
    resultSegmt.close();
}