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

Example 26 with NativeSymbol

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

the class StructTests1 method test_add2FloatStructs_returnStructPointer_1.

@Test
public void test_add2FloatStructs_returnStructPointer_1() throws Throwable {
    GroupLayout structLayout = MemoryLayout.structLayout(JAVA_FLOAT.withName("elem1"), JAVA_FLOAT.withName("elem2"));
    VarHandle floatHandle1 = structLayout.varHandle(PathElement.groupElement("elem1"));
    VarHandle floatHandle2 = structLayout.varHandle(PathElement.groupElement("elem2"));
    FunctionDescriptor fd = FunctionDescriptor.of(ADDRESS, ADDRESS, structLayout);
    NativeSymbol functionSymbol = nativeLibLookup.lookup("add2FloatStructs_returnStructPointer").get();
    MethodHandle mh = clinker.downcallHandle(functionSymbol, fd);
    try (ResourceScope scope = ResourceScope.newConfinedScope()) {
        SegmentAllocator allocator = SegmentAllocator.nativeAllocator(scope);
        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);
        MemoryAddress resultAddr = (MemoryAddress) mh.invoke(structSegmt1, structSegmt2);
        Assert.assertEquals(resultAddr.get(JAVA_FLOAT, 0), 49.46F, 0.01F);
        Assert.assertEquals(resultAddr.get(JAVA_FLOAT, 4), 24.68F, 0.01F);
    }
}

Example 27 with NativeSymbol

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

the class StructTests1 method test_addFloatAndFloatsFromStruct_1.

@Test
public void test_addFloatAndFloatsFromStruct_1() throws Throwable {
    GroupLayout structLayout = MemoryLayout.structLayout(JAVA_FLOAT.withName("elem1"), JAVA_FLOAT.withName("elem2"));
    VarHandle floatHandle1 = structLayout.varHandle(PathElement.groupElement("elem1"));
    VarHandle floatHandle2 = structLayout.varHandle(PathElement.groupElement("elem2"));
    FunctionDescriptor fd = FunctionDescriptor.of(JAVA_FLOAT, JAVA_FLOAT, structLayout);
    NativeSymbol functionSymbol = nativeLibLookup.lookup("addFloatAndFloatsFromStruct").get();
    MethodHandle mh = clinker.downcallHandle(functionSymbol, fd);
    try (ResourceScope scope = ResourceScope.newConfinedScope()) {
        SegmentAllocator allocator = SegmentAllocator.nativeAllocator(scope);
        MemorySegment structSegmt = allocator.allocate(structLayout);
        floatHandle1.set(structSegmt, 8.12F);
        floatHandle2.set(structSegmt, 9.24F);
        float result = (float) mh.invokeExact(6.56F, structSegmt);
        Assert.assertEquals(result, 23.92F, 0.01F);
    }
}

Example 28 with NativeSymbol

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

the class StructTests1 method test_addIntAndShortIntFromStruct_1.

@Test
public void test_addIntAndShortIntFromStruct_1() throws Throwable {
    GroupLayout structLayout = MemoryLayout.structLayout(JAVA_SHORT.withName("elem1"), MemoryLayout.paddingLayout(JAVA_SHORT.bitSize()), JAVA_INT.withName("elem2"));
    VarHandle elemHandle1 = structLayout.varHandle(PathElement.groupElement("elem1"));
    VarHandle elemHandle2 = structLayout.varHandle(PathElement.groupElement("elem2"));
    FunctionDescriptor fd = FunctionDescriptor.of(JAVA_INT, JAVA_INT, structLayout);
    NativeSymbol functionSymbol = nativeLibLookup.lookup("addIntAndShortIntFromStruct").get();
    MethodHandle mh = clinker.downcallHandle(functionSymbol, fd);
    try (ResourceScope scope = ResourceScope.newConfinedScope()) {
        SegmentAllocator allocator = SegmentAllocator.nativeAllocator(scope);
        MemorySegment structSegmt = allocator.allocate(structLayout);
        elemHandle1.set(structSegmt, (short) 32766);
        elemHandle2.set(structSegmt, 22446688);
        int result = (int) mh.invokeExact(11335577, structSegmt);
        Assert.assertEquals(result, 33815031);
    }
}

Example 29 with NativeSymbol

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

the class StructTests1 method test_addCharAndCharsFromStructWithNestedCharArray_1.

@Test
public void test_addCharAndCharsFromStructWithNestedCharArray_1() throws Throwable {
    SequenceLayout charArray = MemoryLayout.sequenceLayout(2, JAVA_CHAR);
    GroupLayout structLayout = MemoryLayout.structLayout(charArray.withName("array_elem1"), JAVA_CHAR.withName("elem2"), MemoryLayout.paddingLayout(JAVA_CHAR.bitSize()));
    FunctionDescriptor fd = FunctionDescriptor.of(JAVA_CHAR, JAVA_CHAR, structLayout);
    NativeSymbol functionSymbol = nativeLibLookup.lookup("addCharAndCharsFromStructWithNestedCharArray").get();
    MethodHandle mh = clinker.downcallHandle(functionSymbol, fd);
    try (ResourceScope scope = ResourceScope.newConfinedScope()) {
        SegmentAllocator allocator = SegmentAllocator.nativeAllocator(scope);
        MemorySegment structSegmt = allocator.allocate(structLayout);
        structSegmt.set(JAVA_CHAR, 0, 'A');
        structSegmt.set(JAVA_CHAR, 2, 'B');
        structSegmt.set(JAVA_CHAR, 4, 'C');
        char result = (char) mh.invokeExact('D', structSegmt);
        Assert.assertEquals(result, 'G');
    }
}

Example 30 with NativeSymbol

use of jdk.incubator.foreign.NativeSymbol 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(JAVA_BOOLEAN.withName("elem1"), JAVA_BOOLEAN.withName("elem2"));
    VarHandle boolHandle1 = structLayout.varHandle(PathElement.groupElement("elem1"));
    VarHandle boolHandle2 = structLayout.varHandle(PathElement.groupElement("elem2"));
    FunctionDescriptor fd = FunctionDescriptor.of(ADDRESS, ADDRESS, structLayout);
    NativeSymbol functionSymbol = nativeLibLookup.lookup("add2BoolStructsWithXor_returnStructPointer").get();
    MethodHandle mh = clinker.downcallHandle(functionSymbol, fd);
    try (ResourceScope scope = ResourceScope.newConfinedScope()) {
        SegmentAllocator allocator = SegmentAllocator.nativeAllocator(scope);
        MemorySegment structSegmt1 = allocator.allocate(structLayout);
        boolHandle1.set(structSegmt1, true);
        boolHandle2.set(structSegmt1, false);
        MemorySegment structSegmt2 = allocator.allocate(structLayout);
        boolHandle1.set(structSegmt2, true);
        boolHandle2.set(structSegmt2, true);
        MemoryAddress resultAddr = (MemoryAddress) mh.invoke(structSegmt1, structSegmt2);
        Assert.assertEquals(resultAddr.get(JAVA_BOOLEAN, 0), false);
        Assert.assertEquals(resultAddr.get(JAVA_BOOLEAN, 1), true);
    }
}