Examples with Word org.graalvm.compiler.word.Word used on opensource projects

Example 51 with Word

use of org.graalvm.compiler.word.Word in project graal by oracle.

the class AESCryptSubstitutions method crypt.

private static void crypt(Object rcvr, byte[] in, int inOffset, byte[] out, int outOffset, boolean encrypt, boolean withOriginalKey) {
    checkArgs(in, inOffset, out, outOffset);
    Object realReceiver = PiNode.piCastNonNull(rcvr, AESCryptClass);
    Object kObject = RawLoadNode.load(realReceiver, kOffset, JavaKind.Object, LocationIdentity.any());
    Pointer kAddr = Word.objectToTrackedPointer(kObject).add(getArrayBaseOffset(JavaKind.Int));
    Word inAddr = WordFactory.unsigned(ComputeObjectAddressNode.get(in, getArrayBaseOffset(JavaKind.Byte) + inOffset));
    Word outAddr = WordFactory.unsigned(ComputeObjectAddressNode.get(out, getArrayBaseOffset(JavaKind.Byte) + outOffset));
    if (encrypt) {
        encryptBlockStub(ENCRYPT_BLOCK, inAddr, outAddr, kAddr);
    } else {
        if (withOriginalKey) {
            Object lastKeyObject = RawLoadNode.load(realReceiver, lastKeyOffset, JavaKind.Object, LocationIdentity.any());
            Pointer lastKeyAddr = Word.objectToTrackedPointer(lastKeyObject).add(getArrayBaseOffset(JavaKind.Byte));
            decryptBlockWithOriginalKeyStub(DECRYPT_BLOCK_WITH_ORIGINAL_KEY, inAddr, outAddr, kAddr, lastKeyAddr);
        } else {
            decryptBlockStub(DECRYPT_BLOCK, inAddr, outAddr, kAddr);
        }
    }
}

Example 52 with Word

use of org.graalvm.compiler.word.Word in project graal by oracle.

the class CipherBlockChainingSubstitutions method crypt.

private static void crypt(Object rcvr, byte[] in, int inOffset, int inLength, byte[] out, int outOffset, Object embeddedCipher, boolean encrypt, boolean withOriginalKey) {
    AESCryptSubstitutions.checkArgs(in, inOffset, out, outOffset);
    Object realReceiver = PiNode.piCastNonNull(rcvr, cipherBlockChainingClass);
    Object aesCipher = getAESCryptClass().cast(embeddedCipher);
    Object kObject = RawLoadNode.load(aesCipher, AESCryptSubstitutions.kOffset, JavaKind.Object, LocationIdentity.any());
    Object rObject = RawLoadNode.load(realReceiver, rOffset, JavaKind.Object, LocationIdentity.any());
    Pointer kAddr = Word.objectToTrackedPointer(kObject).add(getArrayBaseOffset(JavaKind.Int));
    Pointer rAddr = Word.objectToTrackedPointer(rObject).add(getArrayBaseOffset(JavaKind.Byte));
    Word inAddr = WordFactory.unsigned(ComputeObjectAddressNode.get(in, getArrayBaseOffset(JavaKind.Byte) + inOffset));
    Word outAddr = WordFactory.unsigned(ComputeObjectAddressNode.get(out, getArrayBaseOffset(JavaKind.Byte) + outOffset));
    if (encrypt) {
        encryptAESCryptStub(ENCRYPT, inAddr, outAddr, kAddr, rAddr, inLength);
    } else {
        if (withOriginalKey) {
            Object lastKeyObject = RawLoadNode.load(aesCipher, AESCryptSubstitutions.lastKeyOffset, JavaKind.Object, LocationIdentity.any());
            Pointer lastKeyAddr = Word.objectToTrackedPointer(lastKeyObject).add(getArrayBaseOffset(JavaKind.Byte));
            decryptAESCryptWithOriginalKeyStub(DECRYPT_WITH_ORIGINAL_KEY, inAddr, outAddr, kAddr, rAddr, inLength, lastKeyAddr);
        } else {
            decryptAESCryptStub(DECRYPT, inAddr, outAddr, kAddr, rAddr, inLength);
        }
    }
}

Example 53 with Word

use of org.graalvm.compiler.word.Word in project graal by oracle.

the class LocalNativeScope method resolveLocalHandle.

public Object resolveLocalHandle(TruffleObjectHandle handle) {
    Word word = ((Word) handle).not();
    short handleScopeId = (short) word.and(0xFFFF).rawValue();
    LocalNativeScope scope = findScope(handleScopeId);
    if (scope != null) {
        int idx = (int) word.unsignedShiftRight(16).rawValue();
        return scope.localHandles.get(idx);
    } else {
        // dead scope
        return null;
    }
}