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Example 16 with Addressable

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

the class PrimitiveTypeTests2 method test_addTwoFloats_fromMemAddr_2.

@Test
public void test_addTwoFloats_fromMemAddr_2() throws Throwable {
    MethodType mt = MethodType.methodType(float.class, float.class, float.class);
    FunctionDescriptor fd = FunctionDescriptor.of(C_FLOAT, C_FLOAT, C_FLOAT);
    Addressable functionSymbol = nativeLibLookup.lookup("add2Floats").get();
    MemoryAddress memAddr = functionSymbol.address();
    MethodHandle mh = clinker.downcallHandle(memAddr, allocator, mt, fd);
    float result = (float) mh.invokeExact(5.74f, 6.79f);
    Assert.assertEquals(result, 12.53f, 0.01f);
}
Also used : MethodType(java.lang.invoke.MethodType) Addressable(jdk.incubator.foreign.Addressable) FunctionDescriptor(jdk.incubator.foreign.FunctionDescriptor) MemoryAddress(jdk.incubator.foreign.MemoryAddress) MethodHandle(java.lang.invoke.MethodHandle) Test(org.testng.annotations.Test)

Example 17 with Addressable

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

the class PrimitiveTypeTests2 method test_addTwoLongs_2.

@Test
public void test_addTwoLongs_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();
    MethodHandle mh = clinker.downcallHandle(functionSymbol, allocator, mt, fd);
    long result = (long) mh.invokeExact(57424L, 698235L);
    Assert.assertEquals(result, 755659L);
}
Also used : MethodType(java.lang.invoke.MethodType) Addressable(jdk.incubator.foreign.Addressable) FunctionDescriptor(jdk.incubator.foreign.FunctionDescriptor) MethodHandle(java.lang.invoke.MethodHandle) Test(org.testng.annotations.Test)

Example 18 with Addressable

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

the class PrimitiveTypeTests2 method test_addTwoIntsReturnVoid_2.

@Test
public void test_addTwoIntsReturnVoid_2() throws Throwable {
    MethodType mt = MethodType.methodType(void.class, int.class, int.class);
    FunctionDescriptor fd = FunctionDescriptor.ofVoid(C_INT, C_INT);
    Addressable functionSymbol = nativeLibLookup.lookup("add2IntsReturnVoid").get();
    MethodHandle mh = clinker.downcallHandle(functionSymbol, allocator, mt, fd);
    mh.invokeExact(454, 398);
}
Also used : MethodType(java.lang.invoke.MethodType) Addressable(jdk.incubator.foreign.Addressable) FunctionDescriptor(jdk.incubator.foreign.FunctionDescriptor) MethodHandle(java.lang.invoke.MethodHandle) Test(org.testng.annotations.Test)

Example 19 with Addressable

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

the class PrimitiveTypeTests2 method test_printfFromDefaultLibWithMemAddr_2.

@Test
public void test_printfFromDefaultLibWithMemAddr_2() 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 functionSymbol = defaultLibLookup.lookup("printf").get();
        MethodType mt = MethodType.methodType(int.class, MemoryAddress.class, int.class, int.class, int.class);
        FunctionDescriptor fd = FunctionDescriptor.of(C_INT, C_POINTER, C_INT, C_INT, C_INT);
        MethodHandle mh = clinker.downcallHandle(functionSymbol, allocator, mt, fd);
        MemorySegment formatMemSegment = CLinker.toCString("\n%d + %d = %d\n", resourceScope);
        mh.invoke(formatMemSegment.address(), 15, 27, 42);
    }
}
Also used : MethodType(java.lang.invoke.MethodType) Addressable(jdk.incubator.foreign.Addressable) FunctionDescriptor(jdk.incubator.foreign.FunctionDescriptor) MemorySegment(jdk.incubator.foreign.MemorySegment) MethodHandle(java.lang.invoke.MethodHandle) Test(org.testng.annotations.Test)

Example 20 with Addressable

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

the class PrimitiveTypeTests2 method test_addTwoInts_2.

@Test
public void test_addTwoInts_2() 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();
    MethodHandle mh = clinker.downcallHandle(functionSymbol, allocator, mt, fd);
    int result = (int) mh.invokeExact(112, 123);
    Assert.assertEquals(result, 235);
}
Also used : MethodType(java.lang.invoke.MethodType) Addressable(jdk.incubator.foreign.Addressable) FunctionDescriptor(jdk.incubator.foreign.FunctionDescriptor) MethodHandle(java.lang.invoke.MethodHandle) Test(org.testng.annotations.Test)

Aggregations

MethodHandle (java.lang.invoke.MethodHandle)432 MethodType (java.lang.invoke.MethodType)432 Addressable (jdk.incubator.foreign.Addressable)432 FunctionDescriptor (jdk.incubator.foreign.FunctionDescriptor)432 Test (org.testng.annotations.Test)432 MemorySegment (jdk.incubator.foreign.MemorySegment)314 ResourceScope (jdk.incubator.foreign.ResourceScope)275 GroupLayout (jdk.incubator.foreign.GroupLayout)270 SegmentAllocator (jdk.incubator.foreign.SegmentAllocator)270 VarHandle (java.lang.invoke.VarHandle)128 SequenceLayout (jdk.incubator.foreign.SequenceLayout)96 MemoryAddress (jdk.incubator.foreign.MemoryAddress)63