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

Example 91 with Addressable

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

the class StructTests1 method test_add3IntStructs_returnStruct_1.

@Test
public void test_add3IntStructs_returnStruct_1() throws Throwable {
    GroupLayout structLayout = MemoryLayout.structLayout(C_INT.withName("elem1"), C_INT.withName("elem2"), C_INT.withName("elem3"));
    VarHandle intHandle1 = structLayout.varHandle(int.class, PathElement.groupElement("elem1"));
    VarHandle intHandle2 = structLayout.varHandle(int.class, PathElement.groupElement("elem2"));
    VarHandle intHandle3 = structLayout.varHandle(int.class, PathElement.groupElement("elem3"));
    MethodType mt = MethodType.methodType(MemorySegment.class, MemorySegment.class, MemorySegment.class);
    FunctionDescriptor fd = FunctionDescriptor.of(structLayout, structLayout, structLayout);
    Addressable functionSymbol = nativeLibLookup.lookup("add3IntStructs_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);
        intHandle1.set(structSegmt1, 11223344);
        intHandle2.set(structSegmt1, 55667788);
        intHandle3.set(structSegmt1, 99001122);
        MemorySegment structSegmt2 = allocator.allocate(structLayout);
        intHandle1.set(structSegmt2, 33445566);
        intHandle2.set(structSegmt2, 77889900);
        intHandle3.set(structSegmt2, 44332211);
        MemorySegment resultSegmt = (MemorySegment) mh.invokeExact(structSegmt1, structSegmt2);
        Assert.assertEquals(intHandle1.get(resultSegmt), 44668910);
        Assert.assertEquals(intHandle2.get(resultSegmt), 133557688);
        Assert.assertEquals(intHandle3.get(resultSegmt), 143333333);
    }
}

Example 92 with Addressable

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

the class StructTests1 method test_add2IntStructs_returnStructPointer_1.

@Test
public void test_add2IntStructs_returnStructPointer_1() throws Throwable {
    GroupLayout structLayout = MemoryLayout.structLayout(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);
    Addressable functionSymbol = nativeLibLookup.lookup("add2IntStructs_returnStructPointer").get();
    MethodHandle mh = clinker.downcallHandle(functionSymbol, mt, fd);
    try (ResourceScope scope = ResourceScope.newConfinedScope()) {
        SegmentAllocator allocator = SegmentAllocator.ofScope(scope);
        MemorySegment structSegmt1 = allocator.allocate(structLayout);
        intHandle1.set(structSegmt1, 11223344);
        intHandle2.set(structSegmt1, 55667788);
        MemorySegment structSegmt2 = allocator.allocate(structLayout);
        intHandle1.set(structSegmt2, 99001122);
        intHandle2.set(structSegmt2, 33445566);
        MemoryAddress resultAddr = (MemoryAddress) mh.invokeExact(structSegmt1.address(), structSegmt2);
        MemorySegment resultSegmt = resultAddr.asSegment(structLayout.byteSize(), scope);
        Assert.assertEquals(intHandle1.get(resultSegmt), 110224466);
        Assert.assertEquals(intHandle2.get(resultSegmt), 89113354);
    }
}

Example 93 with Addressable

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

the class StructTests2 method test_addCharAndCharsFromStruct_2.

@Test
public void test_addCharAndCharsFromStruct_2() throws Throwable {
    GroupLayout structLayout = MemoryLayout.structLayout(C_SHORT.withName("elem1"), C_SHORT.withName("elem2"));
    VarHandle charHandle1 = structLayout.varHandle(char.class, PathElement.groupElement("elem1"));
    VarHandle charHandle2 = structLayout.varHandle(char.class, PathElement.groupElement("elem2"));
    MethodType mt = MethodType.methodType(char.class, char.class, MemorySegment.class);
    FunctionDescriptor fd = FunctionDescriptor.of(C_SHORT, C_SHORT, structLayout);
    Addressable functionSymbol = nativeLibLookup.lookup("addCharAndCharsFromStruct").get();
    MethodHandle mh = clinker.downcallHandle(mt, fd);
    try (ResourceScope scope = ResourceScope.newConfinedScope()) {
        SegmentAllocator allocator = SegmentAllocator.ofScope(scope);
        MemorySegment structSegmt = allocator.allocate(structLayout);
        charHandle1.set(structSegmt, 'A');
        charHandle2.set(structSegmt, 'B');
        char result = (char) mh.invokeExact(functionSymbol, 'C', structSegmt);
        Assert.assertEquals(result, 'D');
    }
}

Example 94 with Addressable

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

the class StructTests2 method test_addByteAndBytesFromNestedStruct_reverseOrder_2.

@Test
public void test_addByteAndBytesFromNestedStruct_reverseOrder_2() throws Throwable {
    GroupLayout nestedStructLayout = MemoryLayout.structLayout(C_CHAR.withName("elem1"), C_CHAR.withName("elem2"));
    GroupLayout structLayout = MemoryLayout.structLayout(C_CHAR.withName("elem1"), nestedStructLayout.withName("struct_elem2"), MemoryLayout.paddingLayout(C_CHAR.bitSize()));
    MethodType mt = MethodType.methodType(byte.class, byte.class, MemorySegment.class);
    FunctionDescriptor fd = FunctionDescriptor.of(C_CHAR, C_CHAR, structLayout);
    Addressable functionSymbol = nativeLibLookup.lookup("addByteAndBytesFromNestedStruct_reverseOrder").get();
    MethodHandle mh = clinker.downcallHandle(mt, fd);
    try (ResourceScope scope = ResourceScope.newConfinedScope()) {
        SegmentAllocator allocator = SegmentAllocator.ofScope(scope);
        MemorySegment structSegmt = allocator.allocate(structLayout);
        MemoryAccess.setByteAtOffset(structSegmt, 0, (byte) 12);
        MemoryAccess.setByteAtOffset(structSegmt, 1, (byte) 24);
        MemoryAccess.setByteAtOffset(structSegmt, 2, (byte) 36);
        byte result = (byte) mh.invokeExact(functionSymbol, (byte) 48, structSegmt);
        Assert.assertEquals(result, 120);
    }
}

Example 95 with Addressable

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

the class StructTests2 method test_addBoolAndBoolsFromNestedStructWithXor_withoutLayoutName_2.

@Test
public void test_addBoolAndBoolsFromNestedStructWithXor_withoutLayoutName_2() throws Throwable {
    GroupLayout nestedStructLayout = MemoryLayout.structLayout(C_CHAR, C_CHAR);
    GroupLayout structLayout = MemoryLayout.structLayout(nestedStructLayout, C_CHAR);
    MethodType mt = MethodType.methodType(boolean.class, boolean.class, MemorySegment.class);
    FunctionDescriptor fd = FunctionDescriptor.of(C_CHAR, C_CHAR, structLayout);
    Addressable functionSymbol = nativeLibLookup.lookup("addBoolAndBoolsFromNestedStructWithXor").get();
    MethodHandle mh = clinker.downcallHandle(mt, fd);
    try (ResourceScope scope = ResourceScope.newConfinedScope()) {
        SegmentAllocator allocator = SegmentAllocator.ofScope(scope);
        MemorySegment structSegmt = allocator.allocate(structLayout);
        MemoryAccess.setByteAtOffset(structSegmt, 0, (byte) 1);
        MemoryAccess.setByteAtOffset(structSegmt, 1, (byte) 0);
        MemoryAccess.setByteAtOffset(structSegmt, 2, (byte) 1);
        boolean result = (boolean) mh.invokeExact(functionSymbol, true, structSegmt);
        Assert.assertEquals(result, true);
    }
}