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f3eb44a94d
Upstream latest changes of the Foreign-Memory Access API Co-authored-by: Jorn Vernee <jorn.vernee@oracle.com> Co-authored-by: Mandy Chung <mandy.chung@oracle.com> Co-authored-by: Paul Sandoz <paul.sandoz@oracle.com> Co-authored-by: Peter Levart <peter.levart@gmail.com> Reviewed-by: chegar, psandoz
1047 lines
44 KiB
Text
1047 lines
44 KiB
Text
/*
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* Copyright (c) 2015, 2019, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package java.lang.invoke;
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import jdk.internal.access.JavaNioAccess;
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import jdk.internal.access.SharedSecrets;
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import jdk.internal.access.foreign.MemorySegmentProxy;
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import jdk.internal.misc.Unsafe;
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import jdk.internal.util.Preconditions;
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import jdk.internal.vm.annotation.ForceInline;
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import java.nio.ByteBuffer;
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import java.nio.ReadOnlyBufferException;
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import java.util.Objects;
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import static java.lang.invoke.MethodHandleStatics.UNSAFE;
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#warn
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final class VarHandleByteArrayAs$Type$s extends VarHandleByteArrayBase {
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static JavaNioAccess nioAccess = SharedSecrets.getJavaNioAccess();
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static final int ALIGN = $BoxType$.BYTES - 1;
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#if[floatingPoint]
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@ForceInline
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static $rawType$ convEndian(boolean big, $type$ v) {
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$rawType$ rv = $Type$.$type$ToRaw$RawType$Bits(v);
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return big == BE ? rv : $RawBoxType$.reverseBytes(rv);
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}
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@ForceInline
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static $type$ convEndian(boolean big, $rawType$ rv) {
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rv = big == BE ? rv : $RawBoxType$.reverseBytes(rv);
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return $Type$.$rawType$BitsTo$Type$(rv);
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}
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#else[floatingPoint]
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@ForceInline
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static $type$ convEndian(boolean big, $type$ n) {
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return big == BE ? n : $BoxType$.reverseBytes(n);
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}
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#end[floatingPoint]
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private static abstract class ByteArrayViewVarHandle extends VarHandle {
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final boolean be;
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ByteArrayViewVarHandle(VarForm form, boolean be) {
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super(form);
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this.be = be;
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}
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}
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static final class ArrayHandle extends ByteArrayViewVarHandle {
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ArrayHandle(boolean be) {
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super(ArrayHandle.FORM, be);
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}
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@Override
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final MethodType accessModeTypeUncached(AccessMode accessMode) {
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return accessMode.at.accessModeType(byte[].class, $type$.class, int.class);
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}
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@ForceInline
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static int index(byte[] ba, int index) {
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return Preconditions.checkIndex(index, ba.length - ALIGN, null);
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}
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@ForceInline
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static long address(byte[] ba, int index) {
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long address = ((long) index) + Unsafe.ARRAY_BYTE_BASE_OFFSET;
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if ((address & ALIGN) != 0)
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throw newIllegalStateExceptionForMisalignedAccess(index);
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return address;
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}
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@ForceInline
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static $type$ get(VarHandle ob, Object oba, int index) {
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ArrayHandle handle = (ArrayHandle)ob;
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byte[] ba = (byte[]) oba;
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#if[floatingPoint]
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$rawType$ rawValue = UNSAFE.get$RawType$Unaligned(
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ba,
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((long) index(ba, index)) + Unsafe.ARRAY_BYTE_BASE_OFFSET,
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handle.be);
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return $Type$.$rawType$BitsTo$Type$(rawValue);
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#else[floatingPoint]
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return UNSAFE.get$Type$Unaligned(
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ba,
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((long) index(ba, index)) + Unsafe.ARRAY_BYTE_BASE_OFFSET,
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handle.be);
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#end[floatingPoint]
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}
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@ForceInline
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static void set(VarHandle ob, Object oba, int index, $type$ value) {
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ArrayHandle handle = (ArrayHandle)ob;
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byte[] ba = (byte[]) oba;
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#if[floatingPoint]
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UNSAFE.put$RawType$Unaligned(
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ba,
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((long) index(ba, index)) + Unsafe.ARRAY_BYTE_BASE_OFFSET,
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$Type$.$type$ToRaw$RawType$Bits(value),
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handle.be);
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#else[floatingPoint]
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UNSAFE.put$RawType$Unaligned(
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ba,
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((long) index(ba, index)) + Unsafe.ARRAY_BYTE_BASE_OFFSET,
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value,
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handle.be);
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#end[floatingPoint]
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}
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@ForceInline
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static $type$ getVolatile(VarHandle ob, Object oba, int index) {
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ArrayHandle handle = (ArrayHandle)ob;
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byte[] ba = (byte[]) oba;
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return convEndian(handle.be,
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UNSAFE.get$RawType$Volatile(
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ba,
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address(ba, index(ba, index))));
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}
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@ForceInline
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static void setVolatile(VarHandle ob, Object oba, int index, $type$ value) {
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ArrayHandle handle = (ArrayHandle)ob;
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byte[] ba = (byte[]) oba;
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UNSAFE.put$RawType$Volatile(
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ba,
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address(ba, index(ba, index)),
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convEndian(handle.be, value));
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}
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@ForceInline
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static $type$ getAcquire(VarHandle ob, Object oba, int index) {
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ArrayHandle handle = (ArrayHandle)ob;
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byte[] ba = (byte[]) oba;
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return convEndian(handle.be,
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UNSAFE.get$RawType$Acquire(
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ba,
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address(ba, index(ba, index))));
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}
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@ForceInline
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static void setRelease(VarHandle ob, Object oba, int index, $type$ value) {
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ArrayHandle handle = (ArrayHandle)ob;
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byte[] ba = (byte[]) oba;
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UNSAFE.put$RawType$Release(
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ba,
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address(ba, index(ba, index)),
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convEndian(handle.be, value));
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}
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@ForceInline
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static $type$ getOpaque(VarHandle ob, Object oba, int index) {
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ArrayHandle handle = (ArrayHandle)ob;
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byte[] ba = (byte[]) oba;
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return convEndian(handle.be,
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UNSAFE.get$RawType$Opaque(
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ba,
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address(ba, index(ba, index))));
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}
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@ForceInline
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static void setOpaque(VarHandle ob, Object oba, int index, $type$ value) {
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ArrayHandle handle = (ArrayHandle)ob;
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byte[] ba = (byte[]) oba;
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UNSAFE.put$RawType$Opaque(
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ba,
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address(ba, index(ba, index)),
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convEndian(handle.be, value));
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}
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#if[CAS]
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@ForceInline
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static boolean compareAndSet(VarHandle ob, Object oba, int index, $type$ expected, $type$ value) {
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ArrayHandle handle = (ArrayHandle)ob;
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byte[] ba = (byte[]) oba;
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#if[Object]
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return UNSAFE.compareAndSetReference(
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ba,
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address(ba, index(ba, index)),
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convEndian(handle.be, expected), convEndian(handle.be, value));
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#else[Object]
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return UNSAFE.compareAndSet$RawType$(
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ba,
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address(ba, index(ba, index)),
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convEndian(handle.be, expected), convEndian(handle.be, value));
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#end[Object]
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}
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@ForceInline
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static $type$ compareAndExchange(VarHandle ob, Object oba, int index, $type$ expected, $type$ value) {
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ArrayHandle handle = (ArrayHandle)ob;
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byte[] ba = (byte[]) oba;
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return convEndian(handle.be,
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UNSAFE.compareAndExchange$RawType$(
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ba,
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address(ba, index(ba, index)),
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convEndian(handle.be, expected), convEndian(handle.be, value)));
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}
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@ForceInline
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static $type$ compareAndExchangeAcquire(VarHandle ob, Object oba, int index, $type$ expected, $type$ value) {
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ArrayHandle handle = (ArrayHandle)ob;
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byte[] ba = (byte[]) oba;
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return convEndian(handle.be,
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UNSAFE.compareAndExchange$RawType$Acquire(
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ba,
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address(ba, index(ba, index)),
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convEndian(handle.be, expected), convEndian(handle.be, value)));
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}
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@ForceInline
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static $type$ compareAndExchangeRelease(VarHandle ob, Object oba, int index, $type$ expected, $type$ value) {
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ArrayHandle handle = (ArrayHandle)ob;
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byte[] ba = (byte[]) oba;
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return convEndian(handle.be,
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UNSAFE.compareAndExchange$RawType$Release(
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ba,
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address(ba, index(ba, index)),
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convEndian(handle.be, expected), convEndian(handle.be, value)));
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}
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@ForceInline
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static boolean weakCompareAndSetPlain(VarHandle ob, Object oba, int index, $type$ expected, $type$ value) {
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ArrayHandle handle = (ArrayHandle)ob;
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byte[] ba = (byte[]) oba;
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return UNSAFE.weakCompareAndSet$RawType$Plain(
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ba,
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address(ba, index(ba, index)),
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convEndian(handle.be, expected), convEndian(handle.be, value));
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}
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@ForceInline
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static boolean weakCompareAndSet(VarHandle ob, Object oba, int index, $type$ expected, $type$ value) {
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ArrayHandle handle = (ArrayHandle)ob;
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byte[] ba = (byte[]) oba;
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return UNSAFE.weakCompareAndSet$RawType$(
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ba,
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address(ba, index(ba, index)),
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convEndian(handle.be, expected), convEndian(handle.be, value));
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}
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@ForceInline
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static boolean weakCompareAndSetAcquire(VarHandle ob, Object oba, int index, $type$ expected, $type$ value) {
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ArrayHandle handle = (ArrayHandle)ob;
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byte[] ba = (byte[]) oba;
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return UNSAFE.weakCompareAndSet$RawType$Acquire(
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ba,
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address(ba, index(ba, index)),
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convEndian(handle.be, expected), convEndian(handle.be, value));
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}
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@ForceInline
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static boolean weakCompareAndSetRelease(VarHandle ob, Object oba, int index, $type$ expected, $type$ value) {
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ArrayHandle handle = (ArrayHandle)ob;
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byte[] ba = (byte[]) oba;
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return UNSAFE.weakCompareAndSet$RawType$Release(
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ba,
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address(ba, index(ba, index)),
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convEndian(handle.be, expected), convEndian(handle.be, value));
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}
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@ForceInline
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static $type$ getAndSet(VarHandle ob, Object oba, int index, $type$ value) {
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ArrayHandle handle = (ArrayHandle)ob;
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byte[] ba = (byte[]) oba;
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#if[Object]
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return convEndian(handle.be,
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UNSAFE.getAndSetReference(
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ba,
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address(ba, index(ba, index)),
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convEndian(handle.be, value)));
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#else[Object]
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return convEndian(handle.be,
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UNSAFE.getAndSet$RawType$(
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ba,
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address(ba, index(ba, index)),
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convEndian(handle.be, value)));
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#end[Object]
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}
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@ForceInline
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static $type$ getAndSetAcquire(VarHandle ob, Object oba, int index, $type$ value) {
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ArrayHandle handle = (ArrayHandle)ob;
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byte[] ba = (byte[]) oba;
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return convEndian(handle.be,
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UNSAFE.getAndSet$RawType$Acquire(
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ba,
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address(ba, index(ba, index)),
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convEndian(handle.be, value)));
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}
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@ForceInline
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static $type$ getAndSetRelease(VarHandle ob, Object oba, int index, $type$ value) {
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ArrayHandle handle = (ArrayHandle)ob;
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byte[] ba = (byte[]) oba;
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return convEndian(handle.be,
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UNSAFE.getAndSet$RawType$Release(
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ba,
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address(ba, index(ba, index)),
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convEndian(handle.be, value)));
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}
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#end[CAS]
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#if[AtomicAdd]
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@ForceInline
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static $type$ getAndAdd(VarHandle ob, Object oba, int index, $type$ delta) {
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ArrayHandle handle = (ArrayHandle)ob;
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byte[] ba = (byte[]) oba;
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if (handle.be == BE) {
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return UNSAFE.getAndAdd$RawType$(
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ba,
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address(ba, index(ba, index)),
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delta);
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} else {
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return getAndAddConvEndianWithCAS(ba, index, delta);
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}
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}
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@ForceInline
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static $type$ getAndAddAcquire(VarHandle ob, Object oba, int index, $type$ delta) {
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ArrayHandle handle = (ArrayHandle)ob;
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byte[] ba = (byte[]) oba;
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if (handle.be == BE) {
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return UNSAFE.getAndAdd$RawType$Acquire(
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ba,
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address(ba, index(ba, index)),
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delta);
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} else {
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return getAndAddConvEndianWithCAS(ba, index, delta);
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}
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}
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@ForceInline
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static $type$ getAndAddRelease(VarHandle ob, Object oba, int index, $type$ delta) {
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ArrayHandle handle = (ArrayHandle)ob;
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byte[] ba = (byte[]) oba;
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if (handle.be == BE) {
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return UNSAFE.getAndAdd$RawType$Release(
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ba,
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address(ba, index(ba, index)),
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delta);
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} else {
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return getAndAddConvEndianWithCAS(ba, index, delta);
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}
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}
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@ForceInline
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static $type$ getAndAddConvEndianWithCAS(byte[] ba, int index, $type$ delta) {
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$type$ nativeExpectedValue, expectedValue;
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long offset = address(ba, index(ba, index));
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do {
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nativeExpectedValue = UNSAFE.get$RawType$Volatile(ba, offset);
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expectedValue = $RawBoxType$.reverseBytes(nativeExpectedValue);
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} while (!UNSAFE.weakCompareAndSet$RawType$(ba, offset,
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nativeExpectedValue, $RawBoxType$.reverseBytes(expectedValue + delta)));
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return expectedValue;
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}
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#end[AtomicAdd]
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#if[Bitwise]
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@ForceInline
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static $type$ getAndBitwiseOr(VarHandle ob, Object oba, int index, $type$ value) {
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ArrayHandle handle = (ArrayHandle)ob;
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byte[] ba = (byte[]) oba;
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if (handle.be == BE) {
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return UNSAFE.getAndBitwiseOr$RawType$(
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ba,
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address(ba, index(ba, index)),
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value);
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} else {
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return getAndBitwiseOrConvEndianWithCAS(ba, index, value);
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}
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}
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@ForceInline
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static $type$ getAndBitwiseOrRelease(VarHandle ob, Object oba, int index, $type$ value) {
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ArrayHandle handle = (ArrayHandle)ob;
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byte[] ba = (byte[]) oba;
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if (handle.be == BE) {
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return UNSAFE.getAndBitwiseOr$RawType$Release(
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ba,
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address(ba, index(ba, index)),
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value);
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} else {
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return getAndBitwiseOrConvEndianWithCAS(ba, index, value);
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}
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}
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|
@ForceInline
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static $type$ getAndBitwiseOrAcquire(VarHandle ob, Object oba, int index, $type$ value) {
|
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ArrayHandle handle = (ArrayHandle)ob;
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byte[] ba = (byte[]) oba;
|
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if (handle.be == BE) {
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return UNSAFE.getAndBitwiseOr$RawType$Acquire(
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ba,
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address(ba, index(ba, index)),
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value);
|
|
} else {
|
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return getAndBitwiseOrConvEndianWithCAS(ba, index, value);
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|
}
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|
}
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|
|
@ForceInline
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static $type$ getAndBitwiseOrConvEndianWithCAS(byte[] ba, int index, $type$ value) {
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$type$ nativeExpectedValue, expectedValue;
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long offset = address(ba, index(ba, index));
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do {
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nativeExpectedValue = UNSAFE.get$RawType$Volatile(ba, offset);
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expectedValue = $RawBoxType$.reverseBytes(nativeExpectedValue);
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|
} while (!UNSAFE.weakCompareAndSet$RawType$(ba, offset,
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|
nativeExpectedValue, $RawBoxType$.reverseBytes(expectedValue | value)));
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|
return expectedValue;
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|
}
|
|
|
|
@ForceInline
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|
static $type$ getAndBitwiseAnd(VarHandle ob, Object oba, int index, $type$ value) {
|
|
ArrayHandle handle = (ArrayHandle)ob;
|
|
byte[] ba = (byte[]) oba;
|
|
if (handle.be == BE) {
|
|
return UNSAFE.getAndBitwiseAnd$RawType$(
|
|
ba,
|
|
address(ba, index(ba, index)),
|
|
value);
|
|
} else {
|
|
return getAndBitwiseAndConvEndianWithCAS(ba, index, value);
|
|
}
|
|
}
|
|
|
|
@ForceInline
|
|
static $type$ getAndBitwiseAndRelease(VarHandle ob, Object oba, int index, $type$ value) {
|
|
ArrayHandle handle = (ArrayHandle)ob;
|
|
byte[] ba = (byte[]) oba;
|
|
if (handle.be == BE) {
|
|
return UNSAFE.getAndBitwiseAnd$RawType$Release(
|
|
ba,
|
|
address(ba, index(ba, index)),
|
|
value);
|
|
} else {
|
|
return getAndBitwiseAndConvEndianWithCAS(ba, index, value);
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|
}
|
|
}
|
|
|
|
@ForceInline
|
|
static $type$ getAndBitwiseAndAcquire(VarHandle ob, Object oba, int index, $type$ value) {
|
|
ArrayHandle handle = (ArrayHandle)ob;
|
|
byte[] ba = (byte[]) oba;
|
|
if (handle.be == BE) {
|
|
return UNSAFE.getAndBitwiseAnd$RawType$Acquire(
|
|
ba,
|
|
address(ba, index(ba, index)),
|
|
value);
|
|
} else {
|
|
return getAndBitwiseAndConvEndianWithCAS(ba, index, value);
|
|
}
|
|
}
|
|
|
|
@ForceInline
|
|
static $type$ getAndBitwiseAndConvEndianWithCAS(byte[] ba, int index, $type$ value) {
|
|
$type$ nativeExpectedValue, expectedValue;
|
|
long offset = address(ba, index(ba, index));
|
|
do {
|
|
nativeExpectedValue = UNSAFE.get$RawType$Volatile(ba, offset);
|
|
expectedValue = $RawBoxType$.reverseBytes(nativeExpectedValue);
|
|
} while (!UNSAFE.weakCompareAndSet$RawType$(ba, offset,
|
|
nativeExpectedValue, $RawBoxType$.reverseBytes(expectedValue & value)));
|
|
return expectedValue;
|
|
}
|
|
|
|
@ForceInline
|
|
static $type$ getAndBitwiseXor(VarHandle ob, Object oba, int index, $type$ value) {
|
|
ArrayHandle handle = (ArrayHandle)ob;
|
|
byte[] ba = (byte[]) oba;
|
|
if (handle.be == BE) {
|
|
return UNSAFE.getAndBitwiseXor$RawType$(
|
|
ba,
|
|
address(ba, index(ba, index)),
|
|
value);
|
|
} else {
|
|
return getAndBitwiseXorConvEndianWithCAS(ba, index, value);
|
|
}
|
|
}
|
|
|
|
@ForceInline
|
|
static $type$ getAndBitwiseXorRelease(VarHandle ob, Object oba, int index, $type$ value) {
|
|
ArrayHandle handle = (ArrayHandle)ob;
|
|
byte[] ba = (byte[]) oba;
|
|
if (handle.be == BE) {
|
|
return UNSAFE.getAndBitwiseXor$RawType$Release(
|
|
ba,
|
|
address(ba, index(ba, index)),
|
|
value);
|
|
} else {
|
|
return getAndBitwiseXorConvEndianWithCAS(ba, index, value);
|
|
}
|
|
}
|
|
|
|
@ForceInline
|
|
static $type$ getAndBitwiseXorAcquire(VarHandle ob, Object oba, int index, $type$ value) {
|
|
ArrayHandle handle = (ArrayHandle)ob;
|
|
byte[] ba = (byte[]) oba;
|
|
if (handle.be == BE) {
|
|
return UNSAFE.getAndBitwiseXor$RawType$Acquire(
|
|
ba,
|
|
address(ba, index(ba, index)),
|
|
value);
|
|
} else {
|
|
return getAndBitwiseXorConvEndianWithCAS(ba, index, value);
|
|
}
|
|
}
|
|
|
|
@ForceInline
|
|
static $type$ getAndBitwiseXorConvEndianWithCAS(byte[] ba, int index, $type$ value) {
|
|
$type$ nativeExpectedValue, expectedValue;
|
|
long offset = address(ba, index(ba, index));
|
|
do {
|
|
nativeExpectedValue = UNSAFE.get$RawType$Volatile(ba, offset);
|
|
expectedValue = $RawBoxType$.reverseBytes(nativeExpectedValue);
|
|
} while (!UNSAFE.weakCompareAndSet$RawType$(ba, offset,
|
|
nativeExpectedValue, $RawBoxType$.reverseBytes(expectedValue ^ value)));
|
|
return expectedValue;
|
|
}
|
|
#end[Bitwise]
|
|
|
|
static final VarForm FORM = new VarForm(ArrayHandle.class, byte[].class, $type$.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, $type$.class, int.class);
|
|
}
|
|
|
|
@ForceInline
|
|
static int index(ByteBuffer bb, int index) {
|
|
MemorySegmentProxy segmentProxy = nioAccess.bufferSegment(bb);
|
|
if (segmentProxy != null) {
|
|
segmentProxy.checkValidState();
|
|
}
|
|
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 index(bb, index);
|
|
}
|
|
|
|
@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 $type$ get(VarHandle ob, Object obb, int index) {
|
|
ByteBufferHandle handle = (ByteBufferHandle)ob;
|
|
ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
|
|
#if[floatingPoint]
|
|
$rawType$ rawValue = UNSAFE.get$RawType$Unaligned(
|
|
UNSAFE.getReference(bb, BYTE_BUFFER_HB),
|
|
((long) index(bb, index)) + UNSAFE.getLong(bb, BUFFER_ADDRESS),
|
|
handle.be);
|
|
return $Type$.$rawType$BitsTo$Type$(rawValue);
|
|
#else[floatingPoint]
|
|
return UNSAFE.get$Type$Unaligned(
|
|
UNSAFE.getReference(bb, BYTE_BUFFER_HB),
|
|
((long) index(bb, index)) + UNSAFE.getLong(bb, BUFFER_ADDRESS),
|
|
handle.be);
|
|
#end[floatingPoint]
|
|
}
|
|
|
|
@ForceInline
|
|
static void set(VarHandle ob, Object obb, int index, $type$ value) {
|
|
ByteBufferHandle handle = (ByteBufferHandle)ob;
|
|
ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
|
|
#if[floatingPoint]
|
|
UNSAFE.put$RawType$Unaligned(
|
|
UNSAFE.getReference(bb, BYTE_BUFFER_HB),
|
|
((long) indexRO(bb, index)) + UNSAFE.getLong(bb, BUFFER_ADDRESS),
|
|
$Type$.$type$ToRaw$RawType$Bits(value),
|
|
handle.be);
|
|
#else[floatingPoint]
|
|
UNSAFE.put$Type$Unaligned(
|
|
UNSAFE.getReference(bb, BYTE_BUFFER_HB),
|
|
((long) indexRO(bb, index)) + UNSAFE.getLong(bb, BUFFER_ADDRESS),
|
|
value,
|
|
handle.be);
|
|
#end[floatingPoint]
|
|
}
|
|
|
|
@ForceInline
|
|
static $type$ getVolatile(VarHandle ob, Object obb, int index) {
|
|
ByteBufferHandle handle = (ByteBufferHandle)ob;
|
|
ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
|
|
return convEndian(handle.be,
|
|
UNSAFE.get$RawType$Volatile(
|
|
UNSAFE.getReference(bb, BYTE_BUFFER_HB),
|
|
address(bb, index(bb, index))));
|
|
}
|
|
|
|
@ForceInline
|
|
static void setVolatile(VarHandle ob, Object obb, int index, $type$ value) {
|
|
ByteBufferHandle handle = (ByteBufferHandle)ob;
|
|
ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
|
|
UNSAFE.put$RawType$Volatile(
|
|
UNSAFE.getReference(bb, BYTE_BUFFER_HB),
|
|
address(bb, indexRO(bb, index)),
|
|
convEndian(handle.be, value));
|
|
}
|
|
|
|
@ForceInline
|
|
static $type$ getAcquire(VarHandle ob, Object obb, int index) {
|
|
ByteBufferHandle handle = (ByteBufferHandle)ob;
|
|
ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
|
|
return convEndian(handle.be,
|
|
UNSAFE.get$RawType$Acquire(
|
|
UNSAFE.getReference(bb, BYTE_BUFFER_HB),
|
|
address(bb, index(bb, index))));
|
|
}
|
|
|
|
@ForceInline
|
|
static void setRelease(VarHandle ob, Object obb, int index, $type$ value) {
|
|
ByteBufferHandle handle = (ByteBufferHandle)ob;
|
|
ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
|
|
UNSAFE.put$RawType$Release(
|
|
UNSAFE.getReference(bb, BYTE_BUFFER_HB),
|
|
address(bb, indexRO(bb, index)),
|
|
convEndian(handle.be, value));
|
|
}
|
|
|
|
@ForceInline
|
|
static $type$ getOpaque(VarHandle ob, Object obb, int index) {
|
|
ByteBufferHandle handle = (ByteBufferHandle)ob;
|
|
ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
|
|
return convEndian(handle.be,
|
|
UNSAFE.get$RawType$Opaque(
|
|
UNSAFE.getReference(bb, BYTE_BUFFER_HB),
|
|
address(bb, index(bb, index))));
|
|
}
|
|
|
|
@ForceInline
|
|
static void setOpaque(VarHandle ob, Object obb, int index, $type$ value) {
|
|
ByteBufferHandle handle = (ByteBufferHandle)ob;
|
|
ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
|
|
UNSAFE.put$RawType$Opaque(
|
|
UNSAFE.getReference(bb, BYTE_BUFFER_HB),
|
|
address(bb, indexRO(bb, index)),
|
|
convEndian(handle.be, value));
|
|
}
|
|
#if[CAS]
|
|
|
|
@ForceInline
|
|
static boolean compareAndSet(VarHandle ob, Object obb, int index, $type$ expected, $type$ value) {
|
|
ByteBufferHandle handle = (ByteBufferHandle)ob;
|
|
ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
|
|
#if[Object]
|
|
return UNSAFE.compareAndSetReference(
|
|
UNSAFE.getReference(bb, BYTE_BUFFER_HB),
|
|
address(bb, indexRO(bb, index)),
|
|
convEndian(handle.be, expected), convEndian(handle.be, value));
|
|
#else[Object]
|
|
return UNSAFE.compareAndSet$RawType$(
|
|
UNSAFE.getReference(bb, BYTE_BUFFER_HB),
|
|
address(bb, indexRO(bb, index)),
|
|
convEndian(handle.be, expected), convEndian(handle.be, value));
|
|
#end[Object]
|
|
}
|
|
|
|
@ForceInline
|
|
static $type$ compareAndExchange(VarHandle ob, Object obb, int index, $type$ expected, $type$ value) {
|
|
ByteBufferHandle handle = (ByteBufferHandle)ob;
|
|
ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
|
|
return convEndian(handle.be,
|
|
UNSAFE.compareAndExchange$RawType$(
|
|
UNSAFE.getReference(bb, BYTE_BUFFER_HB),
|
|
address(bb, indexRO(bb, index)),
|
|
convEndian(handle.be, expected), convEndian(handle.be, value)));
|
|
}
|
|
|
|
@ForceInline
|
|
static $type$ compareAndExchangeAcquire(VarHandle ob, Object obb, int index, $type$ expected, $type$ value) {
|
|
ByteBufferHandle handle = (ByteBufferHandle)ob;
|
|
ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
|
|
return convEndian(handle.be,
|
|
UNSAFE.compareAndExchange$RawType$Acquire(
|
|
UNSAFE.getReference(bb, BYTE_BUFFER_HB),
|
|
address(bb, indexRO(bb, index)),
|
|
convEndian(handle.be, expected), convEndian(handle.be, value)));
|
|
}
|
|
|
|
@ForceInline
|
|
static $type$ compareAndExchangeRelease(VarHandle ob, Object obb, int index, $type$ expected, $type$ value) {
|
|
ByteBufferHandle handle = (ByteBufferHandle)ob;
|
|
ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
|
|
return convEndian(handle.be,
|
|
UNSAFE.compareAndExchange$RawType$Release(
|
|
UNSAFE.getReference(bb, BYTE_BUFFER_HB),
|
|
address(bb, indexRO(bb, index)),
|
|
convEndian(handle.be, expected), convEndian(handle.be, value)));
|
|
}
|
|
|
|
@ForceInline
|
|
static boolean weakCompareAndSetPlain(VarHandle ob, Object obb, int index, $type$ expected, $type$ value) {
|
|
ByteBufferHandle handle = (ByteBufferHandle)ob;
|
|
ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
|
|
return UNSAFE.weakCompareAndSet$RawType$Plain(
|
|
UNSAFE.getReference(bb, BYTE_BUFFER_HB),
|
|
address(bb, indexRO(bb, index)),
|
|
convEndian(handle.be, expected), convEndian(handle.be, value));
|
|
}
|
|
|
|
@ForceInline
|
|
static boolean weakCompareAndSet(VarHandle ob, Object obb, int index, $type$ expected, $type$ value) {
|
|
ByteBufferHandle handle = (ByteBufferHandle)ob;
|
|
ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
|
|
return UNSAFE.weakCompareAndSet$RawType$(
|
|
UNSAFE.getReference(bb, BYTE_BUFFER_HB),
|
|
address(bb, indexRO(bb, index)),
|
|
convEndian(handle.be, expected), convEndian(handle.be, value));
|
|
}
|
|
|
|
@ForceInline
|
|
static boolean weakCompareAndSetAcquire(VarHandle ob, Object obb, int index, $type$ expected, $type$ value) {
|
|
ByteBufferHandle handle = (ByteBufferHandle)ob;
|
|
ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
|
|
return UNSAFE.weakCompareAndSet$RawType$Acquire(
|
|
UNSAFE.getReference(bb, BYTE_BUFFER_HB),
|
|
address(bb, indexRO(bb, index)),
|
|
convEndian(handle.be, expected), convEndian(handle.be, value));
|
|
}
|
|
|
|
@ForceInline
|
|
static boolean weakCompareAndSetRelease(VarHandle ob, Object obb, int index, $type$ expected, $type$ value) {
|
|
ByteBufferHandle handle = (ByteBufferHandle)ob;
|
|
ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
|
|
return UNSAFE.weakCompareAndSet$RawType$Release(
|
|
UNSAFE.getReference(bb, BYTE_BUFFER_HB),
|
|
address(bb, indexRO(bb, index)),
|
|
convEndian(handle.be, expected), convEndian(handle.be, value));
|
|
}
|
|
|
|
@ForceInline
|
|
static $type$ getAndSet(VarHandle ob, Object obb, int index, $type$ value) {
|
|
ByteBufferHandle handle = (ByteBufferHandle)ob;
|
|
ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
|
|
#if[Object]
|
|
return convEndian(handle.be,
|
|
UNSAFE.getAndSetReference(
|
|
UNSAFE.getReference(bb, BYTE_BUFFER_HB),
|
|
address(bb, indexRO(bb, index)),
|
|
convEndian(handle.be, value)));
|
|
#else[Object]
|
|
return convEndian(handle.be,
|
|
UNSAFE.getAndSet$RawType$(
|
|
UNSAFE.getReference(bb, BYTE_BUFFER_HB),
|
|
address(bb, indexRO(bb, index)),
|
|
convEndian(handle.be, value)));
|
|
#end[Object]
|
|
}
|
|
|
|
@ForceInline
|
|
static $type$ getAndSetAcquire(VarHandle ob, Object obb, int index, $type$ value) {
|
|
ByteBufferHandle handle = (ByteBufferHandle)ob;
|
|
ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
|
|
return convEndian(handle.be,
|
|
UNSAFE.getAndSet$RawType$Acquire(
|
|
UNSAFE.getReference(bb, BYTE_BUFFER_HB),
|
|
address(bb, indexRO(bb, index)),
|
|
convEndian(handle.be, value)));
|
|
}
|
|
|
|
@ForceInline
|
|
static $type$ getAndSetRelease(VarHandle ob, Object obb, int index, $type$ value) {
|
|
ByteBufferHandle handle = (ByteBufferHandle)ob;
|
|
ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
|
|
return convEndian(handle.be,
|
|
UNSAFE.getAndSet$RawType$Release(
|
|
UNSAFE.getReference(bb, BYTE_BUFFER_HB),
|
|
address(bb, indexRO(bb, index)),
|
|
convEndian(handle.be, value)));
|
|
}
|
|
#end[CAS]
|
|
#if[AtomicAdd]
|
|
|
|
@ForceInline
|
|
static $type$ getAndAdd(VarHandle ob, Object obb, int index, $type$ delta) {
|
|
ByteBufferHandle handle = (ByteBufferHandle)ob;
|
|
ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
|
|
if (handle.be == BE) {
|
|
return UNSAFE.getAndAdd$RawType$(
|
|
UNSAFE.getReference(bb, BYTE_BUFFER_HB),
|
|
address(bb, indexRO(bb, index)),
|
|
delta);
|
|
} else {
|
|
return getAndAddConvEndianWithCAS(bb, index, delta);
|
|
}
|
|
}
|
|
|
|
@ForceInline
|
|
static $type$ getAndAddAcquire(VarHandle ob, Object obb, int index, $type$ delta) {
|
|
ByteBufferHandle handle = (ByteBufferHandle)ob;
|
|
ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
|
|
if (handle.be == BE) {
|
|
return UNSAFE.getAndAdd$RawType$Acquire(
|
|
UNSAFE.getReference(bb, BYTE_BUFFER_HB),
|
|
address(bb, indexRO(bb, index)),
|
|
delta);
|
|
} else {
|
|
return getAndAddConvEndianWithCAS(bb, index, delta);
|
|
}
|
|
}
|
|
|
|
@ForceInline
|
|
static $type$ getAndAddRelease(VarHandle ob, Object obb, int index, $type$ delta) {
|
|
ByteBufferHandle handle = (ByteBufferHandle)ob;
|
|
ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
|
|
if (handle.be == BE) {
|
|
return UNSAFE.getAndAdd$RawType$Release(
|
|
UNSAFE.getReference(bb, BYTE_BUFFER_HB),
|
|
address(bb, indexRO(bb, index)),
|
|
delta);
|
|
} else {
|
|
return getAndAddConvEndianWithCAS(bb, index, delta);
|
|
}
|
|
}
|
|
|
|
@ForceInline
|
|
static $type$ getAndAddConvEndianWithCAS(ByteBuffer bb, int index, $type$ delta) {
|
|
$type$ nativeExpectedValue, expectedValue;
|
|
Object base = UNSAFE.getReference(bb, BYTE_BUFFER_HB);
|
|
long offset = address(bb, indexRO(bb, index));
|
|
do {
|
|
nativeExpectedValue = UNSAFE.get$RawType$Volatile(base, offset);
|
|
expectedValue = $RawBoxType$.reverseBytes(nativeExpectedValue);
|
|
} while (!UNSAFE.weakCompareAndSet$RawType$(base, offset,
|
|
nativeExpectedValue, $RawBoxType$.reverseBytes(expectedValue + delta)));
|
|
return expectedValue;
|
|
}
|
|
#end[AtomicAdd]
|
|
#if[Bitwise]
|
|
|
|
@ForceInline
|
|
static $type$ getAndBitwiseOr(VarHandle ob, Object obb, int index, $type$ value) {
|
|
ByteBufferHandle handle = (ByteBufferHandle)ob;
|
|
ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
|
|
if (handle.be == BE) {
|
|
return UNSAFE.getAndBitwiseOr$RawType$(
|
|
UNSAFE.getReference(bb, BYTE_BUFFER_HB),
|
|
address(bb, indexRO(bb, index)),
|
|
value);
|
|
} else {
|
|
return getAndBitwiseOrConvEndianWithCAS(bb, index, value);
|
|
}
|
|
}
|
|
|
|
@ForceInline
|
|
static $type$ getAndBitwiseOrRelease(VarHandle ob, Object obb, int index, $type$ value) {
|
|
ByteBufferHandle handle = (ByteBufferHandle)ob;
|
|
ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
|
|
if (handle.be == BE) {
|
|
return UNSAFE.getAndBitwiseOr$RawType$Release(
|
|
UNSAFE.getReference(bb, BYTE_BUFFER_HB),
|
|
address(bb, indexRO(bb, index)),
|
|
value);
|
|
} else {
|
|
return getAndBitwiseOrConvEndianWithCAS(bb, index, value);
|
|
}
|
|
}
|
|
|
|
@ForceInline
|
|
static $type$ getAndBitwiseOrAcquire(VarHandle ob, Object obb, int index, $type$ value) {
|
|
ByteBufferHandle handle = (ByteBufferHandle)ob;
|
|
ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
|
|
if (handle.be == BE) {
|
|
return UNSAFE.getAndBitwiseOr$RawType$Acquire(
|
|
UNSAFE.getReference(bb, BYTE_BUFFER_HB),
|
|
address(bb, indexRO(bb, index)),
|
|
value);
|
|
} else {
|
|
return getAndBitwiseOrConvEndianWithCAS(bb, index, value);
|
|
}
|
|
}
|
|
|
|
@ForceInline
|
|
static $type$ getAndBitwiseOrConvEndianWithCAS(ByteBuffer bb, int index, $type$ value) {
|
|
$type$ nativeExpectedValue, expectedValue;
|
|
Object base = UNSAFE.getReference(bb, BYTE_BUFFER_HB);
|
|
long offset = address(bb, indexRO(bb, index));
|
|
do {
|
|
nativeExpectedValue = UNSAFE.get$RawType$Volatile(base, offset);
|
|
expectedValue = $RawBoxType$.reverseBytes(nativeExpectedValue);
|
|
} while (!UNSAFE.weakCompareAndSet$RawType$(base, offset,
|
|
nativeExpectedValue, $RawBoxType$.reverseBytes(expectedValue | value)));
|
|
return expectedValue;
|
|
}
|
|
|
|
@ForceInline
|
|
static $type$ getAndBitwiseAnd(VarHandle ob, Object obb, int index, $type$ value) {
|
|
ByteBufferHandle handle = (ByteBufferHandle)ob;
|
|
ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
|
|
if (handle.be == BE) {
|
|
return UNSAFE.getAndBitwiseAnd$RawType$(
|
|
UNSAFE.getReference(bb, BYTE_BUFFER_HB),
|
|
address(bb, indexRO(bb, index)),
|
|
value);
|
|
} else {
|
|
return getAndBitwiseAndConvEndianWithCAS(bb, index, value);
|
|
}
|
|
}
|
|
|
|
@ForceInline
|
|
static $type$ getAndBitwiseAndRelease(VarHandle ob, Object obb, int index, $type$ value) {
|
|
ByteBufferHandle handle = (ByteBufferHandle)ob;
|
|
ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
|
|
if (handle.be == BE) {
|
|
return UNSAFE.getAndBitwiseAnd$RawType$Release(
|
|
UNSAFE.getReference(bb, BYTE_BUFFER_HB),
|
|
address(bb, indexRO(bb, index)),
|
|
value);
|
|
} else {
|
|
return getAndBitwiseAndConvEndianWithCAS(bb, index, value);
|
|
}
|
|
}
|
|
|
|
@ForceInline
|
|
static $type$ getAndBitwiseAndAcquire(VarHandle ob, Object obb, int index, $type$ value) {
|
|
ByteBufferHandle handle = (ByteBufferHandle)ob;
|
|
ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
|
|
if (handle.be == BE) {
|
|
return UNSAFE.getAndBitwiseAnd$RawType$Acquire(
|
|
UNSAFE.getReference(bb, BYTE_BUFFER_HB),
|
|
address(bb, indexRO(bb, index)),
|
|
value);
|
|
} else {
|
|
return getAndBitwiseAndConvEndianWithCAS(bb, index, value);
|
|
}
|
|
}
|
|
|
|
@ForceInline
|
|
static $type$ getAndBitwiseAndConvEndianWithCAS(ByteBuffer bb, int index, $type$ value) {
|
|
$type$ nativeExpectedValue, expectedValue;
|
|
Object base = UNSAFE.getReference(bb, BYTE_BUFFER_HB);
|
|
long offset = address(bb, indexRO(bb, index));
|
|
do {
|
|
nativeExpectedValue = UNSAFE.get$RawType$Volatile(base, offset);
|
|
expectedValue = $RawBoxType$.reverseBytes(nativeExpectedValue);
|
|
} while (!UNSAFE.weakCompareAndSet$RawType$(base, offset,
|
|
nativeExpectedValue, $RawBoxType$.reverseBytes(expectedValue & value)));
|
|
return expectedValue;
|
|
}
|
|
|
|
|
|
@ForceInline
|
|
static $type$ getAndBitwiseXor(VarHandle ob, Object obb, int index, $type$ value) {
|
|
ByteBufferHandle handle = (ByteBufferHandle)ob;
|
|
ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
|
|
if (handle.be == BE) {
|
|
return UNSAFE.getAndBitwiseXor$RawType$(
|
|
UNSAFE.getReference(bb, BYTE_BUFFER_HB),
|
|
address(bb, indexRO(bb, index)),
|
|
value);
|
|
} else {
|
|
return getAndBitwiseXorConvEndianWithCAS(bb, index, value);
|
|
}
|
|
}
|
|
|
|
@ForceInline
|
|
static $type$ getAndBitwiseXorRelease(VarHandle ob, Object obb, int index, $type$ value) {
|
|
ByteBufferHandle handle = (ByteBufferHandle)ob;
|
|
ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
|
|
if (handle.be == BE) {
|
|
return UNSAFE.getAndBitwiseXor$RawType$Release(
|
|
UNSAFE.getReference(bb, BYTE_BUFFER_HB),
|
|
address(bb, indexRO(bb, index)),
|
|
value);
|
|
} else {
|
|
return getAndBitwiseXorConvEndianWithCAS(bb, index, value);
|
|
}
|
|
}
|
|
|
|
@ForceInline
|
|
static $type$ getAndBitwiseXorAcquire(VarHandle ob, Object obb, int index, $type$ value) {
|
|
ByteBufferHandle handle = (ByteBufferHandle)ob;
|
|
ByteBuffer bb = (ByteBuffer) Objects.requireNonNull(obb);
|
|
if (handle.be == BE) {
|
|
return UNSAFE.getAndBitwiseXor$RawType$Acquire(
|
|
UNSAFE.getReference(bb, BYTE_BUFFER_HB),
|
|
address(bb, indexRO(bb, index)),
|
|
value);
|
|
} else {
|
|
return getAndBitwiseXorConvEndianWithCAS(bb, index, value);
|
|
}
|
|
}
|
|
|
|
@ForceInline
|
|
static $type$ getAndBitwiseXorConvEndianWithCAS(ByteBuffer bb, int index, $type$ value) {
|
|
$type$ nativeExpectedValue, expectedValue;
|
|
Object base = UNSAFE.getReference(bb, BYTE_BUFFER_HB);
|
|
long offset = address(bb, indexRO(bb, index));
|
|
do {
|
|
nativeExpectedValue = UNSAFE.get$RawType$Volatile(base, offset);
|
|
expectedValue = $RawBoxType$.reverseBytes(nativeExpectedValue);
|
|
} while (!UNSAFE.weakCompareAndSet$RawType$(base, offset,
|
|
nativeExpectedValue, $RawBoxType$.reverseBytes(expectedValue ^ value)));
|
|
return expectedValue;
|
|
}
|
|
#end[Bitwise]
|
|
|
|
static final VarForm FORM = new VarForm(ByteBufferHandle.class, ByteBuffer.class, $type$.class, int.class);
|
|
}
|
|
}
|