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

Example 96 with MemoryAddress

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

the class PrimitiveTypeTests1 method test_addTwoInts_fromMemAddr_1.

@Test
public void test_addTwoInts_fromMemAddr_1() throws Throwable {
    MethodType mt = MethodType.methodType(int.class, int.class, int.class);
    FunctionDescriptor fd = FunctionDescriptor.of(C_INT, C_INT, C_INT);
    Addressable functionSymbol = nativeLibLookup.lookup("add2Ints").get();
    MemoryAddress memAddr = functionSymbol.address();
    MethodHandle mh = clinker.downcallHandle(memAddr, mt, fd);
    int result = (int) mh.invokeExact(112, 123);
    Assert.assertEquals(result, 235);
}

Example 97 with MemoryAddress

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

the class PrimitiveTypeTests1 method test_addTwoDoubles_fromMemAddr_1.

@Test
public void test_addTwoDoubles_fromMemAddr_1() throws Throwable {
    MethodType mt = MethodType.methodType(double.class, double.class, double.class);
    FunctionDescriptor fd = FunctionDescriptor.of(C_DOUBLE, C_DOUBLE, C_DOUBLE);
    Addressable functionSymbol = nativeLibLookup.lookup("add2Doubles").get();
    MemoryAddress memAddr = functionSymbol.address();
    MethodHandle mh = clinker.downcallHandle(memAddr, mt, fd);
    double result = (double) mh.invokeExact(159.748d, 262.795d);
    Assert.assertEquals(result, 422.543d, 0.001d);
}

Example 98 with MemoryAddress

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

the class PrimitiveTypeTests1 method test_addTwoBoolsWithOr_fromMemAddr_1.

@Test
public void test_addTwoBoolsWithOr_fromMemAddr_1() 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, mt, fd);
    boolean result = (boolean) mh.invokeExact(true, false);
    Assert.assertEquals(result, true);
}

Example 99 with MemoryAddress

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

the class PrimitiveTypeTests1 method test_memoryAllocFreeFromCLinkerMethod_1.

@Test
public void test_memoryAllocFreeFromCLinkerMethod_1() throws Throwable {
    /* Temporarily disable the default library loading on AIX till we figure out a way
		 * around to handle the case as the official implementation in OpenJDK17 doesn't
		 * help to load the static libray (libc.a).
		 */
    if (!isAixOS) {
        MemoryAddress allocMemAddr = CLinker.allocateMemory(10L);
        MemorySegment memSeg = allocMemAddr.asSegment(10L, resourceScope);
        MemoryAccess.setIntAtOffset(memSeg, 0, 49);
        Assert.assertEquals(MemoryAccess.getIntAtOffset(memSeg, 0), 49);
        CLinker.freeMemory(allocMemAddr);
    }
}

Example 100 with MemoryAddress

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

the class PrimitiveTypeTests1 method test_strlenFromDefaultLibWithMemAddr_fromMemAddr_1.

@Test
public void test_strlenFromDefaultLibWithMemAddr_fromMemAddr_1() throws Throwable {
    /* Temporarily disable the default library loading on AIX till we figure out a way
		 * around to handle the case as the official implementation in OpenJDK17 doesn't
		 * help to load the static libray (libc.a).
		 */
    if (!isAixOS) {
        Addressable strlenSymbol = defaultLibLookup.lookup("strlen").get();
        MemoryAddress memAddr = strlenSymbol.address();
        MethodType mt = MethodType.methodType(long.class, MemoryAddress.class);
        FunctionDescriptor fd = FunctionDescriptor.of(longLayout, C_POINTER);
        MethodHandle mh = clinker.downcallHandle(memAddr, mt, fd);
        MemorySegment funcMemSegment = CLinker.toCString("JEP389 DOWNCALL TEST SUITES", resourceScope);
        long strLength = (long) mh.invokeExact(funcMemSegment.address());
        Assert.assertEquals(strLength, 27);
    }
}