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8  * particular file as subject to the "Classpath" exception as provided
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12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14  * version 2 for more details (a copy is included in the LICENSE file that
15  * accompanied this code).
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25 package java.lang.invoke;
26 
27 import java.nio.Buffer;
28 import java.nio.ByteBuffer;
29 
30 import static java.lang.invoke.MethodHandleStatics.UNSAFE;
31 
32 /**
33  * The base class for generated byte array and byte buffer view
34  * implementations
35  */
36 abstract class VarHandleByteArrayBase {
37     // Buffer.address
38     static final long BUFFER_ADDRESS
39             = UNSAFE.objectFieldOffset(Buffer.class, "address");
40 
41     // Buffer.limit
42     static final long BUFFER_LIMIT
43             = UNSAFE.objectFieldOffset(Buffer.class, "limit");
44 
45     // ByteBuffer.hb
46     static final long BYTE_BUFFER_HB
47             = UNSAFE.objectFieldOffset(ByteBuffer.class, "hb");
48 
49     // ByteBuffer.isReadOnly
50     static final long BYTE_BUFFER_IS_READ_ONLY
51             = UNSAFE.objectFieldOffset(ByteBuffer.class, "isReadOnly");
52 
53     static final boolean BE = UNSAFE.isBigEndian();
54 
newIllegalStateExceptionForMisalignedAccess(int index)55     static IllegalStateException newIllegalStateExceptionForMisalignedAccess(int index) {
56         return new IllegalStateException("Misaligned access at index: " + index);
57     }
58 }
59