/* * Copyright (c) 2019, 2025, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package java.lang.invoke; import jdk.internal.foreign.AbstractMemorySegmentImpl; import jdk.internal.vm.annotation.ForceInline; import java.lang.foreign.MemorySegment; import static java.lang.invoke.SegmentVarHandle.*; #warn {#if[byte]?final:sealed} class VarHandleSegmentAs$Type$s { #if[!byte] static final int NON_PLAIN_ACCESS_MIN_ALIGN_MASK = $BoxType$.BYTES - 1; #end[byte] static VarForm selectForm(long alignmentMask, boolean constantOffset) { #if[byte] return constantOffset ? CONSTANT_OFFSET_FORM : VARIABLE_OFFSET_FORM; #else[byte] return (alignmentMask & NON_PLAIN_ACCESS_MIN_ALIGN_MASK) != NON_PLAIN_ACCESS_MIN_ALIGN_MASK ? (constantOffset ? CONSTANT_OFFSET_FORM : VARIABLE_OFFSET_FORM) : (constantOffset ? VarHandleSegmentAs$Type$sAligned.CONSTANT_OFFSET_FORM : VarHandleSegmentAs$Type$sAligned.VARIABLE_OFFSET_FORM); #end[byte] } static final VarForm CONSTANT_OFFSET_FORM = new VarForm(VarHandleSegmentAs$Type$s.class, MemorySegment.class, $type$.class, long.class); static final VarForm VARIABLE_OFFSET_FORM = new VarForm(VarHandleSegmentAs$Type$s.class, MemorySegment.class, $type$.class, long.class, long.class); VarHandleSegmentAs$Type$s() { throw new AssertionError(); } @ForceInline static $type$ get(VarHandle ob, Object obb, long base) { return get(ob, obb, base, ((SegmentVarHandle) ob).offset); } @ForceInline static $type$ get(VarHandle ob, Object obb, long base, long offset) { SegmentVarHandle handle = (SegmentVarHandle)ob; AbstractMemorySegmentImpl bb = handle.checkSegment(obb, base, true); #if[floatingPoint] $rawType$ rawValue = SCOPED_MEMORY_ACCESS.get$RawType$Unaligned(bb.sessionImpl(), bb.unsafeGetBase(), offset(bb, base, offset), handle.be); return $Type$.$rawType$BitsTo$Type$(rawValue); #else[floatingPoint] #if[byte] return SCOPED_MEMORY_ACCESS.get$Type$(bb.sessionImpl(), bb.unsafeGetBase(), offset(bb, base, offset)); #else[byte] return SCOPED_MEMORY_ACCESS.get$Type$Unaligned(bb.sessionImpl(), bb.unsafeGetBase(), offset(bb, base, offset), handle.be); #end[byte] #end[floatingPoint] } @ForceInline static void set(VarHandle ob, Object obb, long base, $type$ value) { set(ob, obb, base, ((SegmentVarHandle) ob).offset, value); } @ForceInline static void set(VarHandle ob, Object obb, long base, long offset, $type$ value) { SegmentVarHandle handle = (SegmentVarHandle)ob; AbstractMemorySegmentImpl bb = handle.checkSegment(obb, base, false); #if[floatingPoint] SCOPED_MEMORY_ACCESS.put$RawType$Unaligned(bb.sessionImpl(), bb.unsafeGetBase(), offset(bb, base, offset), $Type$.$type$ToRaw$RawType$Bits(value), handle.be); #else[floatingPoint] #if[byte] SCOPED_MEMORY_ACCESS.put$Type$(bb.sessionImpl(), bb.unsafeGetBase(), offset(bb, base, offset), value); #else[byte] SCOPED_MEMORY_ACCESS.put$Type$Unaligned(bb.sessionImpl(), bb.unsafeGetBase(), offset(bb, base, offset), value, handle.be); #end[byte] #end[floatingPoint] } #if[!byte] } // This class must be accessed through non-aligned VarHandleSegmentAs$Type$s final class VarHandleSegmentAs$Type$sAligned extends VarHandleSegmentAs$Type$s { static final VarForm CONSTANT_OFFSET_FORM = new VarForm(VarHandleSegmentAs$Type$sAligned.class, VarHandleSegmentAs$Type$s.CONSTANT_OFFSET_FORM); static final VarForm VARIABLE_OFFSET_FORM = new VarForm(VarHandleSegmentAs$Type$sAligned.class, VarHandleSegmentAs$Type$s.VARIABLE_OFFSET_FORM); VarHandleSegmentAs$Type$sAligned() { throw new AssertionError(); } #end[byte] #if[floatingPoint] @ForceInline static $rawType$ convEndian(boolean big, $type$ v) { $rawType$ rv = $Type$.$type$ToRaw$RawType$Bits(v); return big == BE ? rv : $RawBoxType$.reverseBytes(rv); } @ForceInline static $type$ convEndian(boolean big, $rawType$ rv) { rv = big == BE ? rv : $RawBoxType$.reverseBytes(rv); return $Type$.$rawType$BitsTo$Type$(rv); } #else[floatingPoint] #if[byte] @ForceInline static $type$ convEndian(boolean big, $type$ n) { return n; } #else[byte] @ForceInline static $type$ convEndian(boolean big, $type$ n) { return big == BE ? n : $BoxType$.reverseBytes(n); } #end[byte] #end[floatingPoint] @ForceInline static $type$ getVolatile(VarHandle ob, Object obb, long base) { return getVolatile(ob, obb, base, ((SegmentVarHandle) ob).offset); } @ForceInline static $type$ getVolatile(VarHandle ob, Object obb, long base, long offset) { SegmentVarHandle handle = (SegmentVarHandle)ob; AbstractMemorySegmentImpl bb = handle.checkSegment(obb, base, true); return convEndian(handle.be, SCOPED_MEMORY_ACCESS.get$RawType$Volatile(bb.sessionImpl(), bb.unsafeGetBase(), offset(bb, base, offset))); } @ForceInline static void setVolatile(VarHandle ob, Object obb, long base, $type$ value) { setVolatile(ob, obb, base, ((SegmentVarHandle) ob).offset, value); } @ForceInline static void setVolatile(VarHandle ob, Object obb, long base, long offset, $type$ value) { SegmentVarHandle handle = (SegmentVarHandle)ob; AbstractMemorySegmentImpl bb = handle.checkSegment(obb, base, false); SCOPED_MEMORY_ACCESS.put$RawType$Volatile(bb.sessionImpl(), bb.unsafeGetBase(), offset(bb, base, offset), convEndian(handle.be, value)); } @ForceInline static $type$ getAcquire(VarHandle ob, Object obb, long base) { return getAcquire(ob, obb, base, ((SegmentVarHandle) ob).offset); } @ForceInline static $type$ getAcquire(VarHandle ob, Object obb, long base, long offset) { SegmentVarHandle handle = (SegmentVarHandle)ob; AbstractMemorySegmentImpl bb = handle.checkSegment(obb, base, true); return convEndian(handle.be, SCOPED_MEMORY_ACCESS.get$RawType$Acquire(bb.sessionImpl(), bb.unsafeGetBase(), offset(bb, base, offset))); } @ForceInline static void setRelease(VarHandle ob, Object obb, long base, $type$ value) { setRelease(ob, obb, base, ((SegmentVarHandle) ob).offset, value); } @ForceInline static void setRelease(VarHandle ob, Object obb, long base, long offset, $type$ value) { SegmentVarHandle handle = (SegmentVarHandle)ob; AbstractMemorySegmentImpl bb = handle.checkSegment(obb, base, false); SCOPED_MEMORY_ACCESS.put$RawType$Release(bb.sessionImpl(), bb.unsafeGetBase(), offset(bb, base, offset), convEndian(handle.be, value)); } @ForceInline static $type$ getOpaque(VarHandle ob, Object obb, long base) { return getOpaque(ob, obb, base, ((SegmentVarHandle) ob).offset); } @ForceInline static $type$ getOpaque(VarHandle ob, Object obb, long base, long offset) { SegmentVarHandle handle = (SegmentVarHandle)ob; AbstractMemorySegmentImpl bb = handle.checkSegment(obb, base, true); return convEndian(handle.be, SCOPED_MEMORY_ACCESS.get$RawType$Opaque(bb.sessionImpl(), bb.unsafeGetBase(), offset(bb, base, offset))); } @ForceInline static void setOpaque(VarHandle ob, Object obb, long base, $type$ value) { setOpaque(ob, obb, base, ((SegmentVarHandle) ob).offset, value); } @ForceInline static void setOpaque(VarHandle ob, Object obb, long base, long offset, $type$ value) { SegmentVarHandle handle = (SegmentVarHandle)ob; AbstractMemorySegmentImpl bb = handle.checkSegment(obb, base, false); SCOPED_MEMORY_ACCESS.put$RawType$Opaque(bb.sessionImpl(), bb.unsafeGetBase(), offset(bb, base, offset), convEndian(handle.be, value)); } #if[CAS] @ForceInline static boolean compareAndSet(VarHandle ob, Object obb, long base, $type$ expected, $type$ value) { return compareAndSet(ob, obb, base, ((SegmentVarHandle) ob).offset, expected, value); } @ForceInline static boolean compareAndSet(VarHandle ob, Object obb, long base, long offset, $type$ expected, $type$ value) { SegmentVarHandle handle = (SegmentVarHandle)ob; AbstractMemorySegmentImpl bb = handle.checkSegment(obb, base, false); return SCOPED_MEMORY_ACCESS.compareAndSet$RawType$(bb.sessionImpl(), bb.unsafeGetBase(), offset(bb, base, offset), convEndian(handle.be, expected), convEndian(handle.be, value)); } @ForceInline static $type$ compareAndExchange(VarHandle ob, Object obb, long base, $type$ expected, $type$ value) { return compareAndExchange(ob, obb, base, ((SegmentVarHandle) ob).offset, expected, value); } @ForceInline static $type$ compareAndExchange(VarHandle ob, Object obb, long base, long offset, $type$ expected, $type$ value) { SegmentVarHandle handle = (SegmentVarHandle)ob; AbstractMemorySegmentImpl bb = handle.checkSegment(obb, base, false); return convEndian(handle.be, SCOPED_MEMORY_ACCESS.compareAndExchange$RawType$(bb.sessionImpl(), bb.unsafeGetBase(), offset(bb, base, offset), convEndian(handle.be, expected), convEndian(handle.be, value))); } @ForceInline static $type$ compareAndExchangeAcquire(VarHandle ob, Object obb, long base, $type$ expected, $type$ value) { return compareAndExchangeAcquire(ob, obb, base, ((SegmentVarHandle) ob).offset, expected, value); } @ForceInline static $type$ compareAndExchangeAcquire(VarHandle ob, Object obb, long base, long offset, $type$ expected, $type$ value) { SegmentVarHandle handle = (SegmentVarHandle)ob; AbstractMemorySegmentImpl bb = handle.checkSegment(obb, base, false); return convEndian(handle.be, SCOPED_MEMORY_ACCESS.compareAndExchange$RawType$Acquire(bb.sessionImpl(), bb.unsafeGetBase(), offset(bb, base, offset), convEndian(handle.be, expected), convEndian(handle.be, value))); } @ForceInline static $type$ compareAndExchangeRelease(VarHandle ob, Object obb, long base, $type$ expected, $type$ value) { return compareAndExchangeRelease(ob, obb, base, ((SegmentVarHandle) ob).offset, expected, value); } @ForceInline static $type$ compareAndExchangeRelease(VarHandle ob, Object obb, long base, long offset, $type$ expected, $type$ value) { SegmentVarHandle handle = (SegmentVarHandle)ob; AbstractMemorySegmentImpl bb = handle.checkSegment(obb, base, false); return convEndian(handle.be, SCOPED_MEMORY_ACCESS.compareAndExchange$RawType$Release(bb.sessionImpl(), bb.unsafeGetBase(), offset(bb, base, offset), convEndian(handle.be, expected), convEndian(handle.be, value))); } @ForceInline static boolean weakCompareAndSetPlain(VarHandle ob, Object obb, long base, $type$ expected, $type$ value) { return weakCompareAndSetPlain(ob, obb, base, ((SegmentVarHandle) ob).offset, expected, value); } @ForceInline static boolean weakCompareAndSetPlain(VarHandle ob, Object obb, long base, long offset, $type$ expected, $type$ value) { SegmentVarHandle handle = (SegmentVarHandle)ob; AbstractMemorySegmentImpl bb = handle.checkSegment(obb, base, false); return SCOPED_MEMORY_ACCESS.weakCompareAndSet$RawType$Plain(bb.sessionImpl(), bb.unsafeGetBase(), offset(bb, base, offset), convEndian(handle.be, expected), convEndian(handle.be, value)); } @ForceInline static boolean weakCompareAndSet(VarHandle ob, Object obb, long base, $type$ expected, $type$ value) { return weakCompareAndSet(ob, obb, base, ((SegmentVarHandle) ob).offset, expected, value); } @ForceInline static boolean weakCompareAndSet(VarHandle ob, Object obb, long base, long offset, $type$ expected, $type$ value) { SegmentVarHandle handle = (SegmentVarHandle)ob; AbstractMemorySegmentImpl bb = handle.checkSegment(obb, base, false); return SCOPED_MEMORY_ACCESS.weakCompareAndSet$RawType$(bb.sessionImpl(), bb.unsafeGetBase(), offset(bb, base, offset), convEndian(handle.be, expected), convEndian(handle.be, value)); } @ForceInline static boolean weakCompareAndSetAcquire(VarHandle ob, Object obb, long base, $type$ expected, $type$ value) { return weakCompareAndSetAcquire(ob, obb, base, ((SegmentVarHandle) ob).offset, expected, value); } @ForceInline static boolean weakCompareAndSetAcquire(VarHandle ob, Object obb, long base, long offset, $type$ expected, $type$ value) { SegmentVarHandle handle = (SegmentVarHandle)ob; AbstractMemorySegmentImpl bb = handle.checkSegment(obb, base, false); return SCOPED_MEMORY_ACCESS.weakCompareAndSet$RawType$Acquire(bb.sessionImpl(), bb.unsafeGetBase(), offset(bb, base, offset), convEndian(handle.be, expected), convEndian(handle.be, value)); } @ForceInline static boolean weakCompareAndSetRelease(VarHandle ob, Object obb, long base, $type$ expected, $type$ value) { return weakCompareAndSetRelease(ob, obb, base, ((SegmentVarHandle) ob).offset, expected, value); } @ForceInline static boolean weakCompareAndSetRelease(VarHandle ob, Object obb, long base, long offset, $type$ expected, $type$ value) { SegmentVarHandle handle = (SegmentVarHandle)ob; AbstractMemorySegmentImpl bb = handle.checkSegment(obb, base, false); return SCOPED_MEMORY_ACCESS.weakCompareAndSet$RawType$Release(bb.sessionImpl(), bb.unsafeGetBase(), offset(bb, base, offset), convEndian(handle.be, expected), convEndian(handle.be, value)); } @ForceInline static $type$ getAndSet(VarHandle ob, Object obb, long base, $type$ value) { return getAndSet(ob, obb, base, ((SegmentVarHandle) ob).offset, value); } @ForceInline static $type$ getAndSet(VarHandle ob, Object obb, long base, long offset, $type$ value) { SegmentVarHandle handle = (SegmentVarHandle)ob; AbstractMemorySegmentImpl bb = handle.checkSegment(obb, base, false); return convEndian(handle.be, SCOPED_MEMORY_ACCESS.getAndSet$RawType$(bb.sessionImpl(), bb.unsafeGetBase(), offset(bb, base, offset), convEndian(handle.be, value))); } @ForceInline static $type$ getAndSetAcquire(VarHandle ob, Object obb, long base, $type$ value) { return getAndSetAcquire(ob, obb, base, ((SegmentVarHandle) ob).offset, value); } @ForceInline static $type$ getAndSetAcquire(VarHandle ob, Object obb, long base, long offset, $type$ value) { SegmentVarHandle handle = (SegmentVarHandle)ob; AbstractMemorySegmentImpl bb = handle.checkSegment(obb, base, false); return convEndian(handle.be, SCOPED_MEMORY_ACCESS.getAndSet$RawType$Acquire(bb.sessionImpl(), bb.unsafeGetBase(), offset(bb, base, offset), convEndian(handle.be, value))); } @ForceInline static $type$ getAndSetRelease(VarHandle ob, Object obb, long base, $type$ value) { return getAndSetRelease(ob, obb, base, ((SegmentVarHandle) ob).offset, value); } @ForceInline static $type$ getAndSetRelease(VarHandle ob, Object obb, long base, long offset, $type$ value) { SegmentVarHandle handle = (SegmentVarHandle)ob; AbstractMemorySegmentImpl bb = handle.checkSegment(obb, base, false); return convEndian(handle.be, SCOPED_MEMORY_ACCESS.getAndSet$RawType$Release(bb.sessionImpl(), bb.unsafeGetBase(), offset(bb, base, offset), convEndian(handle.be, value))); } #end[CAS] #if[AtomicAdd] @ForceInline static $type$ getAndAdd(VarHandle ob, Object obb, long base, $type$ value) { return getAndAdd(ob, obb, base, ((SegmentVarHandle) ob).offset, value); } @ForceInline static $type$ getAndAdd(VarHandle ob, Object obb, long base, long offset, $type$ delta) { SegmentVarHandle handle = (SegmentVarHandle)ob; AbstractMemorySegmentImpl bb = handle.checkSegment(obb, base, false); #if[!byte] if (handle.be == BE) { #end[byte] return SCOPED_MEMORY_ACCESS.getAndAdd$RawType$(bb.sessionImpl(), bb.unsafeGetBase(), offset(bb, base, offset), delta); #if[!byte] } else { return getAndAddConvEndianWithCAS(bb, offset(bb, base, offset), delta); } #end[byte] } @ForceInline static $type$ getAndAddAcquire(VarHandle ob, Object obb, long base, $type$ value) { return getAndAddAcquire(ob, obb, base, ((SegmentVarHandle) ob).offset, value); } @ForceInline static $type$ getAndAddAcquire(VarHandle ob, Object obb, long base, long offset, $type$ delta) { SegmentVarHandle handle = (SegmentVarHandle)ob; AbstractMemorySegmentImpl bb = handle.checkSegment(obb, base, false); #if[!byte] if (handle.be == BE) { #end[byte] return SCOPED_MEMORY_ACCESS.getAndAdd$RawType$Acquire(bb.sessionImpl(), bb.unsafeGetBase(), offset(bb, base, offset), delta); #if[!byte] } else { return getAndAddConvEndianWithCAS(bb, offset(bb, base, offset), delta); } #end[byte] } @ForceInline static $type$ getAndAddRelease(VarHandle ob, Object obb, long base, $type$ value) { return getAndAddRelease(ob, obb, base, ((SegmentVarHandle) ob).offset, value); } @ForceInline static $type$ getAndAddRelease(VarHandle ob, Object obb, long base, long offset, $type$ delta) { SegmentVarHandle handle = (SegmentVarHandle)ob; AbstractMemorySegmentImpl bb = handle.checkSegment(obb, base, false); #if[!byte] if (handle.be == BE) { #end[byte] return SCOPED_MEMORY_ACCESS.getAndAdd$RawType$Release(bb.sessionImpl(), bb.unsafeGetBase(), offset(bb, base, offset), delta); #if[!byte] } else { return getAndAddConvEndianWithCAS(bb, offset(bb, base, offset), delta); } #end[byte] } #if[!byte] @ForceInline static $type$ getAndAddConvEndianWithCAS(AbstractMemorySegmentImpl bb, long offset, $type$ delta) { $type$ nativeExpectedValue, expectedValue; Object base = bb.unsafeGetBase(); do { nativeExpectedValue = SCOPED_MEMORY_ACCESS.get$RawType$Volatile(bb.sessionImpl(),base, offset); expectedValue = $RawBoxType$.reverseBytes(nativeExpectedValue); } while (!SCOPED_MEMORY_ACCESS.weakCompareAndSet$RawType$(bb.sessionImpl(),base, offset, nativeExpectedValue, $RawBoxType$.reverseBytes({#if[ShorterThanInt]?($type$) }(expectedValue + delta)))); return expectedValue; } #end[byte] #end[AtomicAdd] #if[Bitwise] @ForceInline static $type$ getAndBitwiseOr(VarHandle ob, Object obb, long base, $type$ value) { return getAndBitwiseOr(ob, obb, base, ((SegmentVarHandle) ob).offset, value); } @ForceInline static $type$ getAndBitwiseOr(VarHandle ob, Object obb, long base, long offset, $type$ value) { SegmentVarHandle handle = (SegmentVarHandle)ob; AbstractMemorySegmentImpl bb = handle.checkSegment(obb, base, false); #if[!byte] if (handle.be == BE) { #end[byte] return SCOPED_MEMORY_ACCESS.getAndBitwiseOr$RawType$(bb.sessionImpl(), bb.unsafeGetBase(), offset(bb, base, offset), value); #if[!byte] } else { return getAndBitwiseOrConvEndianWithCAS(bb, offset(bb, base, offset), value); } #end[byte] } @ForceInline static $type$ getAndBitwiseOrRelease(VarHandle ob, Object obb, long base, $type$ value) { return getAndBitwiseOrRelease(ob, obb, base, ((SegmentVarHandle) ob).offset, value); } @ForceInline static $type$ getAndBitwiseOrRelease(VarHandle ob, Object obb, long base, long offset, $type$ value) { SegmentVarHandle handle = (SegmentVarHandle)ob; AbstractMemorySegmentImpl bb = handle.checkSegment(obb, base, false); #if[!byte] if (handle.be == BE) { #end[byte] return SCOPED_MEMORY_ACCESS.getAndBitwiseOr$RawType$Release(bb.sessionImpl(), bb.unsafeGetBase(), offset(bb, base, offset), value); #if[!byte] } else { return getAndBitwiseOrConvEndianWithCAS(bb, offset(bb, base, offset), value); } #end[byte] } @ForceInline static $type$ getAndBitwiseOrAcquire(VarHandle ob, Object obb, long base, $type$ value) { return getAndBitwiseOrAcquire(ob, obb, base, ((SegmentVarHandle) ob).offset, value); } @ForceInline static $type$ getAndBitwiseOrAcquire(VarHandle ob, Object obb, long base, long offset, $type$ value) { SegmentVarHandle handle = (SegmentVarHandle)ob; AbstractMemorySegmentImpl bb = handle.checkSegment(obb, base, false); #if[!byte] if (handle.be == BE) { #end[byte] return SCOPED_MEMORY_ACCESS.getAndBitwiseOr$RawType$Acquire(bb.sessionImpl(), bb.unsafeGetBase(), offset(bb, base, offset), value); #if[!byte] } else { return getAndBitwiseOrConvEndianWithCAS(bb, offset(bb, base, offset), value); } #end[byte] } #if[!byte] @ForceInline static $type$ getAndBitwiseOrConvEndianWithCAS(AbstractMemorySegmentImpl bb, long offset, $type$ value) { $type$ nativeExpectedValue, expectedValue; Object base = bb.unsafeGetBase(); do { nativeExpectedValue = SCOPED_MEMORY_ACCESS.get$RawType$Volatile(bb.sessionImpl(),base, offset); expectedValue = $RawBoxType$.reverseBytes(nativeExpectedValue); } while (!SCOPED_MEMORY_ACCESS.weakCompareAndSet$RawType$(bb.sessionImpl(),base, offset, nativeExpectedValue, $RawBoxType$.reverseBytes({#if[ShorterThanInt]?($type$) }(expectedValue | value)))); return expectedValue; } #end[byte] @ForceInline static $type$ getAndBitwiseAnd(VarHandle ob, Object obb, long base, $type$ value) { return getAndBitwiseAnd(ob, obb, base, ((SegmentVarHandle) ob).offset, value); } @ForceInline static $type$ getAndBitwiseAnd(VarHandle ob, Object obb, long base, long offset, $type$ value) { SegmentVarHandle handle = (SegmentVarHandle)ob; AbstractMemorySegmentImpl bb = handle.checkSegment(obb, base, false); #if[!byte] if (handle.be == BE) { #end[byte] return SCOPED_MEMORY_ACCESS.getAndBitwiseAnd$RawType$(bb.sessionImpl(), bb.unsafeGetBase(), offset(bb, base, offset), value); #if[!byte] } else { return getAndBitwiseAndConvEndianWithCAS(bb, offset(bb, base, offset), value); } #end[byte] } @ForceInline static $type$ getAndBitwiseAndRelease(VarHandle ob, Object obb, long base, $type$ value) { return getAndBitwiseAndRelease(ob, obb, base, ((SegmentVarHandle) ob).offset, value); } @ForceInline static $type$ getAndBitwiseAndRelease(VarHandle ob, Object obb, long base, long offset, $type$ value) { SegmentVarHandle handle = (SegmentVarHandle)ob; AbstractMemorySegmentImpl bb = handle.checkSegment(obb, base, false); #if[!byte] if (handle.be == BE) { #end[byte] return SCOPED_MEMORY_ACCESS.getAndBitwiseAnd$RawType$Release(bb.sessionImpl(), bb.unsafeGetBase(), offset(bb, base, offset), value); #if[!byte] } else { return getAndBitwiseAndConvEndianWithCAS(bb, offset(bb, base, offset), value); } #end[byte] } @ForceInline static $type$ getAndBitwiseAndAcquire(VarHandle ob, Object obb, long base, $type$ value) { return getAndBitwiseAndAcquire(ob, obb, base, ((SegmentVarHandle) ob).offset, value); } @ForceInline static $type$ getAndBitwiseAndAcquire(VarHandle ob, Object obb, long base, long offset, $type$ value) { SegmentVarHandle handle = (SegmentVarHandle)ob; AbstractMemorySegmentImpl bb = handle.checkSegment(obb, base, false); #if[!byte] if (handle.be == BE) { #end[byte] return SCOPED_MEMORY_ACCESS.getAndBitwiseAnd$RawType$Acquire(bb.sessionImpl(), bb.unsafeGetBase(), offset(bb, base, offset), value); #if[!byte] } else { return getAndBitwiseAndConvEndianWithCAS(bb, offset(bb, base, offset), value); } #end[byte] } #if[!byte] @ForceInline static $type$ getAndBitwiseAndConvEndianWithCAS(AbstractMemorySegmentImpl bb, long offset, $type$ value) { $type$ nativeExpectedValue, expectedValue; Object base = bb.unsafeGetBase(); do { nativeExpectedValue = SCOPED_MEMORY_ACCESS.get$RawType$Volatile(bb.sessionImpl(),base, offset); expectedValue = $RawBoxType$.reverseBytes(nativeExpectedValue); } while (!SCOPED_MEMORY_ACCESS.weakCompareAndSet$RawType$(bb.sessionImpl(),base, offset, nativeExpectedValue, $RawBoxType$.reverseBytes({#if[ShorterThanInt]?($type$) }(expectedValue & value)))); return expectedValue; } #end[byte] @ForceInline static $type$ getAndBitwiseXor(VarHandle ob, Object obb, long base, $type$ value) { return getAndBitwiseXor(ob, obb, base, ((SegmentVarHandle) ob).offset, value); } @ForceInline static $type$ getAndBitwiseXor(VarHandle ob, Object obb, long base, long offset, $type$ value) { SegmentVarHandle handle = (SegmentVarHandle)ob; AbstractMemorySegmentImpl bb = handle.checkSegment(obb, base, false); #if[!byte] if (handle.be == BE) { #end[byte] return SCOPED_MEMORY_ACCESS.getAndBitwiseXor$RawType$(bb.sessionImpl(), bb.unsafeGetBase(), offset(bb, base, offset), value); #if[!byte] } else { return getAndBitwiseXorConvEndianWithCAS(bb, offset(bb, base, offset), value); } #end[byte] } @ForceInline static $type$ getAndBitwiseXorRelease(VarHandle ob, Object obb, long base, $type$ value) { return getAndBitwiseXorRelease(ob, obb, base, ((SegmentVarHandle) ob).offset, value); } @ForceInline static $type$ getAndBitwiseXorRelease(VarHandle ob, Object obb, long base, long offset, $type$ value) { SegmentVarHandle handle = (SegmentVarHandle)ob; AbstractMemorySegmentImpl bb = handle.checkSegment(obb, base, false); #if[!byte] if (handle.be == BE) { #end[byte] return SCOPED_MEMORY_ACCESS.getAndBitwiseXor$RawType$Release(bb.sessionImpl(), bb.unsafeGetBase(), offset(bb, base, offset), value); #if[!byte] } else { return getAndBitwiseXorConvEndianWithCAS(bb, offset(bb, base, offset), value); } #end[byte] } @ForceInline static $type$ getAndBitwiseXorAcquire(VarHandle ob, Object obb, long base, $type$ value) { return getAndBitwiseXorAcquire(ob, obb, base, ((SegmentVarHandle) ob).offset, value); } @ForceInline static $type$ getAndBitwiseXorAcquire(VarHandle ob, Object obb, long base, long offset, $type$ value) { SegmentVarHandle handle = (SegmentVarHandle)ob; AbstractMemorySegmentImpl bb = handle.checkSegment(obb, base, false); #if[!byte] if (handle.be == BE) { #end[byte] return SCOPED_MEMORY_ACCESS.getAndBitwiseXor$RawType$Acquire(bb.sessionImpl(), bb.unsafeGetBase(), offset(bb, base, offset), value); #if[!byte] } else { return getAndBitwiseXorConvEndianWithCAS(bb, offset(bb, base, offset), value); } #end[byte] } #if[!byte] @ForceInline static $type$ getAndBitwiseXorConvEndianWithCAS(AbstractMemorySegmentImpl bb, long offset, $type$ value) { $type$ nativeExpectedValue, expectedValue; Object base = bb.unsafeGetBase(); do { nativeExpectedValue = SCOPED_MEMORY_ACCESS.get$RawType$Volatile(bb.sessionImpl(),base, offset); expectedValue = $RawBoxType$.reverseBytes(nativeExpectedValue); } while (!SCOPED_MEMORY_ACCESS.weakCompareAndSet$RawType$(bb.sessionImpl(),base, offset, nativeExpectedValue, $RawBoxType$.reverseBytes({#if[ShorterThanInt]?($type$) }(expectedValue ^ value)))); return expectedValue; } #end[byte] #end[Bitwise] }