package java.lang.invoke;
import jdk.internal.misc.Unsafe;
import jdk.internal.util.Preconditions;
import jdk.internal.vm.annotation.ForceInline;
import java.nio.ByteBuffer;
import java.nio.ReadOnlyBufferException;
import java.util.Objects;
import static java.lang.invoke.MethodHandleStatics.UNSAFE;
final class VarHandleByteArrayAsInts extends VarHandleByteArrayBase {
static final int ALIGN = Integer.BYTES - 1;
@ForceInline
static int convEndian(boolean big, int n) {
return big == BE ? n : Integer.reverseBytes(n);
}
private static abstract class ByteArrayViewVarHandle extends VarHandle {
final boolean be;
ByteArrayViewVarHandle(VarForm form, boolean be) {
super(form);
this.be = be;
}
}
static final class ArrayHandle extends ByteArrayViewVarHandle {
ArrayHandle(boolean be) {
super(ArrayHandle.FORM, be);
}
@Override
final MethodType accessModeTypeUncached(AccessMode accessMode) {
return accessMode.at.accessModeType(byte[].class, int.class, int.class);
}
@ForceInline
static int index(byte[] ba, int index) {
return Preconditions.checkIndex(index, ba.length - ALIGN, null);
}
@ForceInline
static long address(byte[] ba, int index) {
long address = ((long) index) + Unsafe.ARRAY_BYTE_BASE_OFFSET;
if ((address & ALIGN) != 0)
throw newIllegalStateExceptionForMisalignedAccess(index);
return address;
}
@ForceInline
static int get(ArrayHandle handle, Object oba, int index) {
byte[] ba = (byte[]) oba;
return UNSAFE.getIntUnaligned(
ba,
((long) index(ba, index)) + Unsafe.ARRAY_BYTE_BASE_OFFSET,
handle.be);
}
@ForceInline
static void set(ArrayHandle handle, Object oba, int index, int value) {
byte[] ba = (byte[]) oba;
UNSAFE.putIntUnaligned(
ba,
((long) index(ba, index)) + Unsafe.ARRAY_BYTE_BASE_OFFSET,
value,
handle.be);
}
@ForceInline
static int getVolatile(ArrayHandle handle, Object oba, int index) {
byte[] ba = (byte[]) oba;
return convEndian(handle.be,
UNSAFE.getIntVolatile(
ba,
address(ba, index(ba, index))));
}
@ForceInline
static void setVolatile(ArrayHandle handle, Object oba, int index, int value) {
byte[] ba = (byte[]) oba;
UNSAFE.putIntVolatile(
ba,
address(ba, index(ba, index)),
convEndian(handle.be, value));
}
@ForceInline
static int getAcquire(ArrayHandle handle, Object oba, int index) {
byte[] ba = (byte[]) oba;
return convEndian(handle.be,
UNSAFE.getIntAcquire(
ba,
address(ba, index(ba, index))));
}
@ForceInline
static void setRelease(ArrayHandle handle, Object oba, int index, int value) {
byte[] ba = (byte[]) oba;
UNSAFE.putIntRelease(
ba,
address(ba, index(ba, index)),
convEndian(handle.be, value));
}
@ForceInline
static int getOpaque(ArrayHandle handle, Object oba, int index) {
byte[] ba = (byte[]) oba;
return convEndian(handle.be,
UNSAFE.getIntOpaque(
ba,
address(ba, index(ba, index))));
}
@ForceInline
static void setOpaque(ArrayHandle handle, Object oba, int index, int value) {
byte[] ba = (byte[]) oba;
UNSAFE.putIntOpaque(
ba,
address(ba, index(ba, index)),
convEndian(handle.be, value));
}
@ForceInline
static boolean compareAndSet(ArrayHandle handle, Object oba, int index, int expected, int value) {
byte[] ba = (byte[]) oba;
return UNSAFE.compareAndSetInt(
ba,
address(ba, index(ba, index)),
convEndian(handle.be, expected), convEndian(handle.be, value));
}
@ForceInline
static int compareAndExchange(ArrayHandle handle, Object oba, int index, int expected, int value) {
byte[] ba = (byte[]) oba;
return convEndian(handle.be,
UNSAFE.compareAndExchangeInt(
ba,
address(ba, index(ba, index)),
convEndian(handle.be, expected), convEndian(handle.be, value)));
}
@ForceInline
static int compareAndExchangeAcquire(ArrayHandle handle, Object oba, int index, int expected, int value) {
byte[] ba = (byte[]) oba;
return convEndian(handle.be,
UNSAFE.compareAndExchangeIntAcquire(
ba,
address(ba, index(ba, index)),
convEndian(handle.be, expected), convEndian(handle.be, value)));
}
@ForceInline
static int compareAndExchangeRelease(ArrayHandle handle, Object oba, int index, int expected, int value) {
byte[] ba = (byte[]) oba;
return convEndian(handle.be,
UNSAFE.compareAndExchangeIntRelease(
ba,
address(ba, index(ba, index)),
convEndian(handle.be, expected), convEndian(handle.be, value)));
}
@ForceInline
static boolean weakCompareAndSetPlain(ArrayHandle handle, Object oba, int index, int expected, int value) {
byte[] ba = (byte[]) oba;
return UNSAFE.weakCompareAndSetIntPlain(
ba,
address(ba, index(ba, index)),
convEndian(handle.be, expected), convEndian(handle.be, value));
}
@ForceInline
static boolean weakCompareAndSet(ArrayHandle handle, Object oba, int index, int expected, int value) {
byte[] ba = (byte[]) oba;
return UNSAFE.weakCompareAndSetInt(
ba,
address(ba, index(ba, index)),
convEndian(handle.be, expected), convEndian(handle.be, value));
}
@ForceInline
static boolean weakCompareAndSetAcquire(ArrayHandle handle, Object oba, int index, int expected, int value) {
byte[] ba = (byte[]) oba;
return UNSAFE.weakCompareAndSetIntAcquire(
ba,
address(ba, index(ba, index)),
convEndian(handle.be, expected), convEndian(handle.be, value));
}
@ForceInline
static boolean weakCompareAndSetRelease(ArrayHandle handle, Object oba, int index, int expected, int value) {
byte[] ba = (byte[]) oba;
return UNSAFE.weakCompareAndSetIntRelease(
ba,
address(ba, index(ba, index)),
convEndian(handle.be, expected), convEndian(handle.be, value));
}
@ForceInline
static int getAndSet(ArrayHandle handle, Object oba, int index, int value) {
byte[] ba = (byte[]) oba;
return convEndian(handle.be,
UNSAFE.getAndSetInt(
ba,
address(ba, index(ba, index)),
convEndian(handle.be, value)));
}
@ForceInline
static int getAndSetAcquire(ArrayHandle handle, Object oba, int index, int value) {
byte[] ba = (byte[]) oba;
return convEndian(handle.be,
UNSAFE.getAndSetIntAcquire(
ba,
address(ba, index(ba, index)),
convEndian(handle.be, value)));
}
@ForceInline
static int getAndSetRelease(ArrayHandle handle, Object oba, int index, int value) {
byte[] ba = (byte[]) oba;
return convEndian(handle.be,
UNSAFE.getAndSetIntRelease(
ba,
address(ba, index(ba, index)),
convEndian(handle.be, value)));
}
@ForceInline
static int getAndAdd(ArrayHandle handle, Object oba, int index, int delta) {
byte[] ba = (byte[]) oba;
if (handle.be == BE) {
return UNSAFE.getAndAddInt(
ba,
address(ba, index(ba, index)),
delta);
} else {
return getAndAddConvEndianWithCAS(ba, index, delta);
}
}
@ForceInline
static int getAndAddAcquire(ArrayHandle handle, Object oba, int index, int delta) {
byte[] ba = (byte[]) oba;
if (handle.be == BE) {
return UNSAFE.getAndAddIntAcquire(
ba,
address(ba, index(ba, index)),
delta);
} else {
return getAndAddConvEndianWithCAS(ba, index, delta);
}
}
@ForceInline
static int getAndAddRelease(ArrayHandle handle, Object oba, int index, int delta) {
byte[] ba = (byte[]) oba;
if (handle.be == BE) {
return UNSAFE.getAndAddIntRelease(
ba,
address(ba, index(ba, index)),
delta);
} else {
return getAndAddConvEndianWithCAS(ba, index, delta);
}
}
@ForceInline
static int getAndAddConvEndianWithCAS(byte[] ba, int index, int delta) {
int nativeExpectedValue, expectedValue;
long offset = address(ba, index(ba, index));
do {
nativeExpectedValue = UNSAFE.getIntVolatile(ba, offset);
expectedValue = Integer.reverseBytes(nativeExpectedValue);
} while (!UNSAFE.weakCompareAndSetInt(ba, offset,
nativeExpectedValue, Integer.reverseBytes(expectedValue + delta)));
return expectedValue;
}
@ForceInline
static int getAndBitwiseOr(ArrayHandle handle, Object oba, int index, int value) {
byte[] ba = (byte[]) oba;
if (handle.be == BE) {
return UNSAFE.getAndBitwiseOrInt(
ba,
address(ba, index(ba, index)),
value);
} else {
return getAndBitwiseOrConvEndianWithCAS(ba, index, value);
}
}
@ForceInline
static int getAndBitwiseOrRelease(ArrayHandle handle, Object oba, int index, int value) {
byte[] ba = (byte[]) oba;
if (handle.be == BE) {
return UNSAFE.getAndBitwiseOrIntRelease(
ba,
address(ba, index(ba, index)),
value);
} else {
return getAndBitwiseOrConvEndianWithCAS(ba, index, value);
}
}
@ForceInline
static int getAndBitwiseOrAcquire(ArrayHandle handle, Object oba, int index, int value) {
byte[] ba = (byte[]) oba;
if (handle.be == BE) {
return UNSAFE.getAndBitwiseOrIntAcquire(
ba,
address(ba, index(ba, index)),
value);
} else {
return getAndBitwiseOrConvEndianWithCAS(ba, index, value);
}
}
@ForceInline
static int getAndBitwiseOrConvEndianWithCAS(byte[] ba, int index, int value) {
int nativeExpectedValue, expectedValue;
long offset = address(ba, index(ba, index));
do {
nativeExpectedValue = UNSAFE.getIntVolatile(ba, offset);
expectedValue = Integer.reverseBytes(nativeExpectedValue);
} while (!UNSAFE.weakCompareAndSetInt(ba, offset,
nativeExpectedValue, Integer.reverseBytes(expectedValue | value)));
return expectedValue;
}
@ForceInline
static int getAndBitwiseAnd(ArrayHandle handle, Object oba, int index, int value) {
byte[] ba = (byte[]) oba;
if (handle.be == BE) {
return UNSAFE.getAndBitwiseAndInt(
ba,
address(ba, index(ba, index)),
value);
} else {
return getAndBitwiseAndConvEndianWithCAS(ba, index, value);
}
}
@ForceInline
static int getAndBitwiseAndRelease(ArrayHandle handle, Object oba, int index, int value) {
byte[] ba = (byte[]) oba;
if (handle.be == BE) {
return UNSAFE.getAndBitwiseAndIntRelease(
ba,
address(ba, index(ba, index)),
value);
} else {
return getAndBitwiseAndConvEndianWithCAS(ba, index, value);
}
}
@ForceInline
static int getAndBitwiseAndAcquire(ArrayHandle handle, Object oba, int index, int value) {
byte[] ba = (byte[]) oba;
if (handle.be == BE) {
return UNSAFE.getAndBitwiseAndIntAcquire(
ba,
address(ba, index(ba, index)),
value);
} else {
return getAndBitwiseAndConvEndianWithCAS(ba, index, value);
}
}
@ForceInline
static int getAndBitwiseAndConvEndianWithCAS(byte[] ba, int index, int value) {
int nativeExpectedValue, expectedValue;
long offset = address(ba, index(ba, index));
do {
nativeExpectedValue = UNSAFE.getIntVolatile(ba, offset);
expectedValue = Integer.reverseBytes(nativeExpectedValue);
} while (!UNSAFE.weakCompareAndSetInt(ba, offset,
nativeExpectedValue, Integer.reverseBytes(expectedValue & value)));
return expectedValue;
}
@ForceInline
static int getAndBitwiseXor(ArrayHandle handle, Object oba, int index, int value) {
byte[] ba = (byte[]) oba;
if (handle.be == BE) {
return UNSAFE.getAndBitwiseXorInt(
ba,
address(ba, index(ba, index)),
value);
} else {
return getAndBitwiseXorConvEndianWithCAS(ba, index, value);
}
}
@ForceInline
static int getAndBitwiseXorRelease(ArrayHandle handle, Object oba, int index, int value) {
byte[] ba = (byte[]) oba;
if (handle.be == BE) {
return UNSAFE.getAndBitwiseXorIntRelease(
ba,
address(ba, index(ba, index)),
value);
} else {
return getAndBitwiseXorConvEndianWithCAS(ba, index, value);
}
}
@ForceInline
static int getAndBitwiseXorAcquire(ArrayHandle handle, Object oba, int index, int value) {
byte[] ba = (byte[]) oba;
if (handle.be == BE) {
return UNSAFE.getAndBitwiseXorIntAcquire(
ba,
address(ba, index(ba, index)),
value);
} else {
return getAndBitwiseXorConvEndianWithCAS(ba, index, value);
}
}
@ForceInline
static int getAndBitwiseXorConvEndianWithCAS(byte[] ba, int index, int value) {
int nativeExpectedValue, expectedValue;
long offset = address(ba, index(ba, index));
do {
nativeExpectedValue = UNSAFE.getIntVolatile(ba, offset);
expectedValue = Integer.reverseBytes(nativeExpectedValue);
} while (!UNSAFE.weakCompareAndSetInt(ba, offset,
nativeExpectedValue, Integer.reverseBytes(expectedValue ^ value)));
return expectedValue;
}
static final VarForm FORM = new VarForm(ArrayHandle.class, byte[].class, int.class, int.class);
}
static final class ByteBufferHandle extends ByteArrayViewVarHandle {
ByteBufferHandle(boolean be) {
super(ByteBufferHandle.FORM, be);
}
@Override
final MethodType accessModeTypeUncached(AccessMode accessMode) {
return accessMode.at.accessModeType(ByteBuffer.class, int.class, int.class);
}
@ForceInline
static int index(ByteBuffer bb, int index) {
return Preconditions.checkIndex(index, UNSAFE.getInt(bb, BUFFER_LIMIT) - ALIGN, null);
}
@ForceInline
static int indexRO(ByteBuffer bb, int index) {
if (UNSAFE.getBoolean(bb, BYTE_BUFFER_IS_READ_ONLY))
throw new ReadOnlyBufferException();
return Preconditions.checkIndex(index, UNSAFE.getInt(bb, BUFFER_LIMIT) - ALIGN, null);
}
@ForceInline
static long address(ByteBuffer bb, int index) {
long address = ((long) index) + UNSAFE.getLong(bb, BUFFER_ADDRESS);
if ((address & ALIGN) != 0)
throw newIllegalStateExceptionForMisalignedAccess(index);
return address;
}
@ForceInline
static int get(ByteBufferHandle handle, Object obb, int index) {
ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
return UNSAFE.getIntUnaligned(
UNSAFE.getObject(bb, BYTE_BUFFER_HB),
((long) index(bb, index)) + UNSAFE.getLong(bb, BUFFER_ADDRESS),
handle.be);
}
@ForceInline
static void set(ByteBufferHandle handle, Object obb, int index, int value) {
ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
UNSAFE.putIntUnaligned(
UNSAFE.getObject(bb, BYTE_BUFFER_HB),
((long) indexRO(bb, index)) + UNSAFE.getLong(bb, BUFFER_ADDRESS),
value,
handle.be);
}
@ForceInline
static int getVolatile(ByteBufferHandle handle, Object obb, int index) {
ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
return convEndian(handle.be,
UNSAFE.getIntVolatile(
UNSAFE.getObject(bb, BYTE_BUFFER_HB),
address(bb, index(bb, index))));
}
@ForceInline
static void setVolatile(ByteBufferHandle handle, Object obb, int index, int value) {
ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
UNSAFE.putIntVolatile(
UNSAFE.getObject(bb, BYTE_BUFFER_HB),
address(bb, indexRO(bb, index)),
convEndian(handle.be, value));
}
@ForceInline
static int getAcquire(ByteBufferHandle handle, Object obb, int index) {
ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
return convEndian(handle.be,
UNSAFE.getIntAcquire(
UNSAFE.getObject(bb, BYTE_BUFFER_HB),
address(bb, index(bb, index))));
}
@ForceInline
static void setRelease(ByteBufferHandle handle, Object obb, int index, int value) {
ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
UNSAFE.putIntRelease(
UNSAFE.getObject(bb, BYTE_BUFFER_HB),
address(bb, indexRO(bb, index)),
convEndian(handle.be, value));
}
@ForceInline
static int getOpaque(ByteBufferHandle handle, Object obb, int index) {
ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
return convEndian(handle.be,
UNSAFE.getIntOpaque(
UNSAFE.getObject(bb, BYTE_BUFFER_HB),
address(bb, index(bb, index))));
}
@ForceInline
static void setOpaque(ByteBufferHandle handle, Object obb, int index, int value) {
ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
UNSAFE.putIntOpaque(
UNSAFE.getObject(bb, BYTE_BUFFER_HB),
address(bb, indexRO(bb, index)),
convEndian(handle.be, value));
}
@ForceInline
static boolean compareAndSet(ByteBufferHandle handle, Object obb, int index, int expected, int value) {
ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
return UNSAFE.compareAndSetInt(
UNSAFE.getObject(bb, BYTE_BUFFER_HB),
address(bb, indexRO(bb, index)),
convEndian(handle.be, expected), convEndian(handle.be, value));
}
@ForceInline
static int compareAndExchange(ByteBufferHandle handle, Object obb, int index, int expected, int value) {
ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
return convEndian(handle.be,
UNSAFE.compareAndExchangeInt(
UNSAFE.getObject(bb, BYTE_BUFFER_HB),
address(bb, indexRO(bb, index)),
convEndian(handle.be, expected), convEndian(handle.be, value)));
}
@ForceInline
static int compareAndExchangeAcquire(ByteBufferHandle handle, Object obb, int index, int expected, int value) {
ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
return convEndian(handle.be,
UNSAFE.compareAndExchangeIntAcquire(
UNSAFE.getObject(bb, BYTE_BUFFER_HB),
address(bb, indexRO(bb, index)),
convEndian(handle.be, expected), convEndian(handle.be, value)));
}
@ForceInline
static int compareAndExchangeRelease(ByteBufferHandle handle, Object obb, int index, int expected, int value) {
ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
return convEndian(handle.be,
UNSAFE.compareAndExchangeIntRelease(
UNSAFE.getObject(bb, BYTE_BUFFER_HB),
address(bb, indexRO(bb, index)),
convEndian(handle.be, expected), convEndian(handle.be, value)));
}
@ForceInline
static boolean weakCompareAndSetPlain(ByteBufferHandle handle, Object obb, int index, int expected, int value) {
ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
return UNSAFE.weakCompareAndSetIntPlain(
UNSAFE.getObject(bb, BYTE_BUFFER_HB),
address(bb, indexRO(bb, index)),
convEndian(handle.be, expected), convEndian(handle.be, value));
}
@ForceInline
static boolean weakCompareAndSet(ByteBufferHandle handle, Object obb, int index, int expected, int value) {
ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
return UNSAFE.weakCompareAndSetInt(
UNSAFE.getObject(bb, BYTE_BUFFER_HB),
address(bb, indexRO(bb, index)),
convEndian(handle.be, expected), convEndian(handle.be, value));
}
@ForceInline
static boolean weakCompareAndSetAcquire(ByteBufferHandle handle, Object obb, int index, int expected, int value) {
ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
return UNSAFE.weakCompareAndSetIntAcquire(
UNSAFE.getObject(bb, BYTE_BUFFER_HB),
address(bb, indexRO(bb, index)),
convEndian(handle.be, expected), convEndian(handle.be, value));
}
@ForceInline
static boolean weakCompareAndSetRelease(ByteBufferHandle handle, Object obb, int index, int expected, int value) {
ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
return UNSAFE.weakCompareAndSetIntRelease(
UNSAFE.getObject(bb, BYTE_BUFFER_HB),
address(bb, indexRO(bb, index)),
convEndian(handle.be, expected), convEndian(handle.be, value));
}
@ForceInline
static int getAndSet(ByteBufferHandle handle, Object obb, int index, int value) {
ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
return convEndian(handle.be,
UNSAFE.getAndSetInt(
UNSAFE.getObject(bb, BYTE_BUFFER_HB),
address(bb, indexRO(bb, index)),
convEndian(handle.be, value)));
}
@ForceInline
static int getAndSetAcquire(ByteBufferHandle handle, Object obb, int index, int value) {
ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
return convEndian(handle.be,
UNSAFE.getAndSetIntAcquire(
UNSAFE.getObject(bb, BYTE_BUFFER_HB),
address(bb, indexRO(bb, index)),
convEndian(handle.be, value)));
}
@ForceInline
static int getAndSetRelease(ByteBufferHandle handle, Object obb, int index, int value) {
ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
return convEndian(handle.be,
UNSAFE.getAndSetIntRelease(
UNSAFE.getObject(bb, BYTE_BUFFER_HB),
address(bb, indexRO(bb, index)),
convEndian(handle.be, value)));
}
@ForceInline
static int getAndAdd(ByteBufferHandle handle, Object obb, int index, int delta) {
ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
if (handle.be == BE) {
return UNSAFE.getAndAddInt(
UNSAFE.getObject(bb, BYTE_BUFFER_HB),
address(bb, indexRO(bb, index)),
delta);
} else {
return getAndAddConvEndianWithCAS(bb, index, delta);
}
}
@ForceInline
static int getAndAddAcquire(ByteBufferHandle handle, Object obb, int index, int delta) {
ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
if (handle.be == BE) {
return UNSAFE.getAndAddIntAcquire(
UNSAFE.getObject(bb, BYTE_BUFFER_HB),
address(bb, indexRO(bb, index)),
delta);
} else {
return getAndAddConvEndianWithCAS(bb, index, delta);
}
}
@ForceInline
static int getAndAddRelease(ByteBufferHandle handle, Object obb, int index, int delta) {
ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
if (handle.be == BE) {
return UNSAFE.getAndAddIntRelease(
UNSAFE.getObject(bb, BYTE_BUFFER_HB),
address(bb, indexRO(bb, index)),
delta);
} else {
return getAndAddConvEndianWithCAS(bb, index, delta);
}
}
@ForceInline
static int getAndAddConvEndianWithCAS(ByteBuffer bb, int index, int delta) {
int nativeExpectedValue, expectedValue;
Object base = UNSAFE.getObject(bb, BYTE_BUFFER_HB);
long offset = address(bb, indexRO(bb, index));
do {
nativeExpectedValue = UNSAFE.getIntVolatile(base, offset);
expectedValue = Integer.reverseBytes(nativeExpectedValue);
} while (!UNSAFE.weakCompareAndSetInt(base, offset,
nativeExpectedValue, Integer.reverseBytes(expectedValue + delta)));
return expectedValue;
}
@ForceInline
static int getAndBitwiseOr(ByteBufferHandle handle, Object obb, int index, int value) {
ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
if (handle.be == BE) {
return UNSAFE.getAndBitwiseOrInt(
UNSAFE.getObject(bb, BYTE_BUFFER_HB),
address(bb, indexRO(bb, index)),
value);
} else {
return getAndBitwiseOrConvEndianWithCAS(bb, index, value);
}
}
@ForceInline
static int getAndBitwiseOrRelease(ByteBufferHandle handle, Object obb, int index, int value) {
ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
if (handle.be == BE) {
return UNSAFE.getAndBitwiseOrIntRelease(
UNSAFE.getObject(bb, BYTE_BUFFER_HB),
address(bb, indexRO(bb, index)),
value);
} else {
return getAndBitwiseOrConvEndianWithCAS(bb, index, value);
}
}
@ForceInline
static int getAndBitwiseOrAcquire(ByteBufferHandle handle, Object obb, int index, int value) {
ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
if (handle.be == BE) {
return UNSAFE.getAndBitwiseOrIntAcquire(
UNSAFE.getObject(bb, BYTE_BUFFER_HB),
address(bb, indexRO(bb, index)),
value);
} else {
return getAndBitwiseOrConvEndianWithCAS(bb, index, value);
}
}
@ForceInline
static int getAndBitwiseOrConvEndianWithCAS(ByteBuffer bb, int index, int value) {
int nativeExpectedValue, expectedValue;
Object base = UNSAFE.getObject(bb, BYTE_BUFFER_HB);
long offset = address(bb, indexRO(bb, index));
do {
nativeExpectedValue = UNSAFE.getIntVolatile(base, offset);
expectedValue = Integer.reverseBytes(nativeExpectedValue);
} while (!UNSAFE.weakCompareAndSetInt(base, offset,
nativeExpectedValue, Integer.reverseBytes(expectedValue | value)));
return expectedValue;
}
@ForceInline
static int getAndBitwiseAnd(ByteBufferHandle handle, Object obb, int index, int value) {
ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
if (handle.be == BE) {
return UNSAFE.getAndBitwiseAndInt(
UNSAFE.getObject(bb, BYTE_BUFFER_HB),
address(bb, indexRO(bb, index)),
value);
} else {
return getAndBitwiseAndConvEndianWithCAS(bb, index, value);
}
}
@ForceInline
static int getAndBitwiseAndRelease(ByteBufferHandle handle, Object obb, int index, int value) {
ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
if (handle.be == BE) {
return UNSAFE.getAndBitwiseAndIntRelease(
UNSAFE.getObject(bb, BYTE_BUFFER_HB),
address(bb, indexRO(bb, index)),
value);
} else {
return getAndBitwiseAndConvEndianWithCAS(bb, index, value);
}
}
@ForceInline
static int getAndBitwiseAndAcquire(ByteBufferHandle handle, Object obb, int index, int value) {
ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
if (handle.be == BE) {
return UNSAFE.getAndBitwiseAndIntAcquire(
UNSAFE.getObject(bb, BYTE_BUFFER_HB),
address(bb, indexRO(bb, index)),
value);
} else {
return getAndBitwiseAndConvEndianWithCAS(bb, index, value);
}
}
@ForceInline
static int getAndBitwiseAndConvEndianWithCAS(ByteBuffer bb, int index, int value) {
int nativeExpectedValue, expectedValue;
Object base = UNSAFE.getObject(bb, BYTE_BUFFER_HB);
long offset = address(bb, indexRO(bb, index));
do {
nativeExpectedValue = UNSAFE.getIntVolatile(base, offset);
expectedValue = Integer.reverseBytes(nativeExpectedValue);
} while (!UNSAFE.weakCompareAndSetInt(base, offset,
nativeExpectedValue, Integer.reverseBytes(expectedValue & value)));
return expectedValue;
}
@ForceInline
static int getAndBitwiseXor(ByteBufferHandle handle, Object obb, int index, int value) {
ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
if (handle.be == BE) {
return UNSAFE.getAndBitwiseXorInt(
UNSAFE.getObject(bb, BYTE_BUFFER_HB),
address(bb, indexRO(bb, index)),
value);
} else {
return getAndBitwiseXorConvEndianWithCAS(bb, index, value);
}
}
@ForceInline
static int getAndBitwiseXorRelease(ByteBufferHandle handle, Object obb, int index, int value) {
ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
if (handle.be == BE) {
return UNSAFE.getAndBitwiseXorIntRelease(
UNSAFE.getObject(bb, BYTE_BUFFER_HB),
address(bb, indexRO(bb, index)),
value);
} else {
return getAndBitwiseXorConvEndianWithCAS(bb, index, value);
}
}
@ForceInline
static int getAndBitwiseXorAcquire(ByteBufferHandle handle, Object obb, int index, int value) {
ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
if (handle.be == BE) {
return UNSAFE.getAndBitwiseXorIntAcquire(
UNSAFE.getObject(bb, BYTE_BUFFER_HB),
address(bb, indexRO(bb, index)),
value);
} else {
return getAndBitwiseXorConvEndianWithCAS(bb, index, value);
}
}
@ForceInline
static int getAndBitwiseXorConvEndianWithCAS(ByteBuffer bb, int index, int value) {
int nativeExpectedValue, expectedValue;
Object base = UNSAFE.getObject(bb, BYTE_BUFFER_HB);
long offset = address(bb, indexRO(bb, index));
do {
nativeExpectedValue = UNSAFE.getIntVolatile(base, offset);
expectedValue = Integer.reverseBytes(nativeExpectedValue);
} while (!UNSAFE.weakCompareAndSetInt(base, offset,
nativeExpectedValue, Integer.reverseBytes(expectedValue ^ value)));
return expectedValue;
}
static final VarForm FORM = new VarForm(ByteBufferHandle.class, ByteBuffer.class, int.class, int.class);
}
}