Examples with Address org.vmmagic.unboxed.Address used on opensource projects

Example 61 with Address

use of org.vmmagic.unboxed.Address in project JikesRVM by JikesRVM.

the class GenerationContextTest method assertThatRethrowBlockIsCorrect.

private void assertThatRethrowBlockIsCorrect(InlineSequence inlineSequence, Operand lockObject, ExceptionHandlerBasicBlock rethrow) {
    Enumeration<TypeOperand> exceptionTypes = rethrow.getExceptionTypes();
    TypeOperand firstHandledException = exceptionTypes.nextElement();
    assertThat(exceptionTypes.hasMoreElements(), is(false));
    assertTrue(firstHandledException.similar(new TypeOperand(RVMType.JavaLangThrowableType)));
    Enumeration<Instruction> rethrowInstructions = rethrow.forwardRealInstrEnumerator();
    Instruction firstInstructionInRethrow = rethrowInstructions.nextElement();
    assertThat(firstInstructionInRethrow.operator(), is(GET_CAUGHT_EXCEPTION));
    assertThat(firstInstructionInRethrow.getBytecodeIndex(), is(SYNTH_CATCH_BCI));
    assertTrue(firstInstructionInRethrow.position().equals(inlineSequence));
    RegisterOperand catchExceptionObject = Nullary.getResult(firstInstructionInRethrow);
    assertThat(catchExceptionObject.getType(), is(TypeReference.JavaLangThrowable));
    Instruction secondInstructionInRethrow = rethrowInstructions.nextElement();
    assertThatNoMoreInstructionsExist(rethrowInstructions);
    assertThat(secondInstructionInRethrow.operator(), is(CALL));
    MethodOperand methodOp = Call.getMethod(secondInstructionInRethrow);
    assertTrue(methodOp.getTarget().equals(Entrypoints.unlockAndThrowMethod));
    assertTrue(methodOp.isNonReturningCall());
    Operand callAddress = Call.getAddress(secondInstructionInRethrow);
    Address actualAddress = callAddress.asAddressConstant().value;
    Address expectedAddress = Entrypoints.unlockAndThrowMethod.getOffset().toWord().toAddress();
    assertTrue(actualAddress.EQ(expectedAddress));
    Operand lockObjectFromRethrow = Call.getParam(secondInstructionInRethrow, 0);
    assertTrue(lockObjectFromRethrow.similar(lockObject));
    RegisterOperand catchOperand = Call.getParam(secondInstructionInRethrow, 1).asRegister();
    assertTrue(catchOperand.sameRegisterPropertiesAs(catchExceptionObject));
    assertTrue(rethrow.mayThrowUncaughtException());
    assertTrue(rethrow.canThrowExceptions());
}

Example 62 with Address

use of org.vmmagic.unboxed.Address in project JikesRVM by JikesRVM.

the class ArchBridgeDataExtractorTest method longParametersInBridgeMethodsAreProcessedCorrectlyFor64BitAddressing.

@Test
@Category(Requires64BitAddressing.class)
public void longParametersInBridgeMethodsAreProcessedCorrectlyFor64BitAddressing() {
    TypeReference[] types = { TypeReference.Long, TypeReference.JavaLangObject };
    bridge.setBridgeParameterTypes(types);
    Word expected = Word.fromIntSignExtend(11);
    int length = 4;
    WordArray stackFrame = createNonMovableWordArray(length);
    int bridgeRegLocSlotIndex = stackFrame.length() - 1;
    stackFrame.set(bridgeRegLocSlotIndex - 1, expected);
    Address brideRegLoc = Magic.objectAsAddress(stackFrame).plus(bridgeRegLocSlotIndex * BYTES_IN_WORD);
    bridge.setBridgeRegisterLocation(brideRegLoc);
    Address bridgeParameterAddr = bridge.getNextBridgeParameterAddress();
    Word bridgeParameter = bridgeParameterAddr.loadWord();
    assertEquals(expected, bridgeParameter);
}

Example 63 with Address

use of org.vmmagic.unboxed.Address in project JikesRVM by JikesRVM.

the class BaselineGCMapIteratorTest method getNextReturnAddressAddressReturnsZeroIfNoJSRsArePresent.

@Test
public void getNextReturnAddressAddressReturnsZeroIfNoJSRsArePresent() throws Exception {
    NormalMethod nm = TestingTools.getNormalMethod(MethodsForTests.class, "emptyStaticMethodWithoutAnnotations");
    CompiledMethod cm = nm.getCurrentCompiledMethod();
    gcMapIter.setupIterator(cm, NO_OFFSET, NO_FP);
    Address returnAddressAddress = gcMapIter.getNextReturnAddressAddress();
    assertZero(returnAddressAddress);
}

Example 64 with Address

use of org.vmmagic.unboxed.Address in project JikesRVM by JikesRVM.

the class MemoryTest method doAligned8CopyForBytes.

private void doAligned8CopyForBytes(byte[] largeByteArray, int copyStart, int copyLength, int copyDest) {
    VM.disableGC();
    Address arrayStart = Magic.objectAsAddress(largeByteArray);
    Address copyStartAddress = arrayStart.plus(copyStart * BYTES_IN_BYTE);
    Address copyDestAddress = arrayStart.plus(copyDest * BYTES_IN_BYTE);
    int copyBytes = copyLength * BYTES_IN_BYTE;
    Memory.aligned8Copy(copyDestAddress, copyStartAddress, copyBytes);
    VM.enableGC();
}

Example 65 with Address

use of org.vmmagic.unboxed.Address in project JikesRVM by JikesRVM.

the class MemoryTest method doMemcopy.

private void doMemcopy(byte[] largeByteArray, int copyLength, int copyStart, int copyDest) {
    VM.disableGC();
    Address arrayStart = Magic.objectAsAddress(largeByteArray);
    Address copyStartAddress = arrayStart.plus(copyStart * BYTES_IN_BYTE);
    Address copyDestAddress = arrayStart.plus(copyDest * BYTES_IN_BYTE);
    int copyBytes = copyLength * BYTES_IN_BYTE;
    Memory.memcopy(copyDestAddress, copyStartAddress, copyBytes);
    VM.enableGC();
}