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

Example 61 with MemoryAddress

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

the class StructTests2 method test_addLongFromPointerAndLongsFromStruct_returnLongPointer_2.

@Test
public void test_addLongFromPointerAndLongsFromStruct_returnLongPointer_2() throws Throwable {
    GroupLayout structLayout = MemoryLayout.structLayout(JAVA_LONG.withName("elem1"), JAVA_LONG.withName("elem2"));
    VarHandle longHandle1 = structLayout.varHandle(PathElement.groupElement("elem1"));
    VarHandle longHandle2 = structLayout.varHandle(PathElement.groupElement("elem2"));
    FunctionDescriptor fd = FunctionDescriptor.of(ADDRESS, ADDRESS, structLayout);
    NativeSymbol functionSymbol = nativeLibLookup.lookup("addLongFromPointerAndLongsFromStruct_returnLongPointer").get();
    MethodHandle mh = clinker.downcallHandle(fd);
    try (ResourceScope scope = ResourceScope.newConfinedScope()) {
        SegmentAllocator allocator = SegmentAllocator.nativeAllocator(scope);
        MemorySegment longSegmt = allocator.allocate(JAVA_LONG, 1122334455L);
        MemorySegment structSegmt = allocator.allocate(structLayout);
        longHandle1.set(structSegmt, 6677889900L);
        longHandle2.set(structSegmt, 1234567890L);
        MemoryAddress resultAddr = (MemoryAddress) mh.invoke(functionSymbol, longSegmt, structSegmt);
        Assert.assertEquals(resultAddr.get(JAVA_LONG, 0), 9034792245L);
        Assert.assertEquals(resultAddr.toRawLongValue(), longSegmt.address().toRawLongValue());
    }
}

Example 62 with MemoryAddress

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

the class StructTests2 method test_addIntFromPointerAndIntsFromStruct_returnIntPointer_2.

@Test
public void test_addIntFromPointerAndIntsFromStruct_returnIntPointer_2() throws Throwable {
    GroupLayout structLayout = MemoryLayout.structLayout(JAVA_INT.withName("elem1"), JAVA_INT.withName("elem2"));
    VarHandle intHandle1 = structLayout.varHandle(PathElement.groupElement("elem1"));
    VarHandle intHandle2 = structLayout.varHandle(PathElement.groupElement("elem2"));
    FunctionDescriptor fd = FunctionDescriptor.of(ADDRESS, ADDRESS, structLayout);
    NativeSymbol functionSymbol = nativeLibLookup.lookup("addIntFromPointerAndIntsFromStruct_returnIntPointer").get();
    MethodHandle mh = clinker.downcallHandle(fd);
    try (ResourceScope scope = ResourceScope.newConfinedScope()) {
        SegmentAllocator allocator = SegmentAllocator.nativeAllocator(scope);
        MemorySegment intSegmt = allocator.allocate(JAVA_INT, 1122333);
        MemorySegment structSegmt = allocator.allocate(structLayout);
        intHandle1.set(structSegmt, 4455666);
        intHandle2.set(structSegmt, 7788999);
        MemoryAddress resultAddr = (MemoryAddress) mh.invoke(functionSymbol, intSegmt, structSegmt);
        Assert.assertEquals(resultAddr.get(JAVA_INT, 0), 13366998);
        Assert.assertEquals(resultAddr.toRawLongValue(), intSegmt.address().toRawLongValue());
    }
}

Example 63 with MemoryAddress

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

the class StructTests2 method test_add2FloatStructs_returnStructPointer_2.

@Test
public void test_add2FloatStructs_returnStructPointer_2() 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(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(functionSymbol, 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 64 with MemoryAddress

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

the class StructTests2 method test_addCharFromPointerAndCharsFromStruct_returnCharPointer_2.

@Test
public void test_addCharFromPointerAndCharsFromStruct_returnCharPointer_2() throws Throwable {
    GroupLayout structLayout = MemoryLayout.structLayout(JAVA_CHAR.withName("elem1"), JAVA_CHAR.withName("elem2"));
    VarHandle charHandle1 = structLayout.varHandle(PathElement.groupElement("elem1"));
    VarHandle charHandle2 = structLayout.varHandle(PathElement.groupElement("elem2"));
    FunctionDescriptor fd = FunctionDescriptor.of(ADDRESS, ADDRESS, structLayout);
    NativeSymbol functionSymbol = nativeLibLookup.lookup("addCharFromPointerAndCharsFromStruct_returnCharPointer").get();
    MethodHandle mh = clinker.downcallHandle(fd);
    try (ResourceScope scope = ResourceScope.newConfinedScope()) {
        SegmentAllocator allocator = SegmentAllocator.nativeAllocator(scope);
        MemorySegment charSegmt = allocator.allocate(JAVA_CHAR, 'D');
        MemorySegment structSegmt = allocator.allocate(structLayout);
        charHandle1.set(structSegmt, 'E');
        charHandle2.set(structSegmt, 'F');
        MemoryAddress resultAddr = (MemoryAddress) mh.invoke(functionSymbol, charSegmt, structSegmt);
        Assert.assertEquals(resultAddr.get(JAVA_CHAR, 0), 'M');
        Assert.assertEquals(resultAddr.toRawLongValue(), charSegmt.address().toRawLongValue());
    }
}

Example 65 with MemoryAddress

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

the class StructTests2 method test_addByteFromPointerAndBytesFromStruct_returnBytePointer_2.

@Test
public void test_addByteFromPointerAndBytesFromStruct_returnBytePointer_2() throws Throwable {
    GroupLayout structLayout = MemoryLayout.structLayout(JAVA_BYTE.withName("elem1"), JAVA_BYTE.withName("elem2"));
    VarHandle byteHandle1 = structLayout.varHandle(PathElement.groupElement("elem1"));
    VarHandle byteHandle2 = structLayout.varHandle(PathElement.groupElement("elem2"));
    FunctionDescriptor fd = FunctionDescriptor.of(ADDRESS, ADDRESS, structLayout);
    NativeSymbol functionSymbol = nativeLibLookup.lookup("addByteFromPointerAndBytesFromStruct_returnBytePointer").get();
    MethodHandle mh = clinker.downcallHandle(fd);
    try (ResourceScope scope = ResourceScope.newConfinedScope()) {
        SegmentAllocator allocator = SegmentAllocator.nativeAllocator(scope);
        MemorySegment byteSegmt = allocator.allocate(JAVA_BYTE, (byte) 12);
        MemorySegment structSegmt = allocator.allocate(structLayout);
        byteHandle1.set(structSegmt, (byte) 18);
        byteHandle2.set(structSegmt, (byte) 19);
        MemoryAddress resultAddr = (MemoryAddress) mh.invoke(functionSymbol, byteSegmt, structSegmt);
        Assert.assertEquals(resultAddr.get(JAVA_BYTE, 0), 49);
        Assert.assertEquals(resultAddr.toRawLongValue(), byteSegmt.address().toRawLongValue());
    }
}