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8331865: Consolidate size and alignment checks in LayoutPath

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Reviewed-by: psandoz, jvernee
This commit is contained in:
Maurizio Cimadamore 2024-05-29 11:12:30 +00:00
parent 6d718ae51a
commit c003c1207f
12 changed files with 166 additions and 133 deletions
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99
src/java.base/share/classes/java/lang/invoke/X-VarHandleSegmentView.java.template
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2019, 2023, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2019, 2024, 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
@ -47,8 +47,8 @@ final class VarHandleSegmentAs$Type$s extends VarHandleSegmentViewBase {
static final VarForm FORM = new VarForm(VarHandleSegmentAs$Type$s.class, MemorySegment.class, $type$.class, long.class);
VarHandleSegmentAs$Type$s(boolean be, long length, long alignmentMask, boolean exact) {
super(FORM, be, length, alignmentMask, exact);
VarHandleSegmentAs$Type$s(boolean be, long alignmentMask, boolean exact) {
super(FORM, be, alignmentMask, exact);
}
@Override
@ -60,14 +60,14 @@ final class VarHandleSegmentAs$Type$s extends VarHandleSegmentViewBase {
public VarHandleSegmentAs$Type$s withInvokeExactBehavior() {
return hasInvokeExactBehavior() ?
this :
new VarHandleSegmentAs$Type$s(be, length, alignmentMask, true);
new VarHandleSegmentAs$Type$s(be, alignmentMask, true);
}
@Override
public VarHandleSegmentAs$Type$s withInvokeBehavior() {
return !hasInvokeExactBehavior() ?
this :
new VarHandleSegmentAs$Type$s(be, length, alignmentMask, false);
new VarHandleSegmentAs$Type$s(be, alignmentMask, false);
}
#if[floatingPoint]
@ -97,9 +97,9 @@ final class VarHandleSegmentAs$Type$s extends VarHandleSegmentViewBase {
#end[floatingPoint]
@ForceInline
static AbstractMemorySegmentImpl checkAddress(Object obb, long offset, long length, boolean ro) {
static AbstractMemorySegmentImpl checkReadOnly(Object obb, boolean ro) {
AbstractMemorySegmentImpl oo = (AbstractMemorySegmentImpl)Objects.requireNonNull(obb);
oo.checkAccess(offset, length, ro);
oo.checkReadOnly(ro);
return oo;
}
@ -108,39 +108,34 @@ final class VarHandleSegmentAs$Type$s extends VarHandleSegmentViewBase {
if ((alignmentMask & NON_PLAIN_ACCESS_MIN_ALIGN_MASK) != NON_PLAIN_ACCESS_MIN_ALIGN_MASK) {
throw VarHandleSegmentViewBase.newUnsupportedAccessModeForAlignment(alignmentMask + 1);
}
return offsetPlain(bb, offset, alignmentMask);
return offsetPlain(bb, offset);
}
@ForceInline
static long offsetPlain(AbstractMemorySegmentImpl bb, long offset, long alignmentMask) {
static long offsetPlain(AbstractMemorySegmentImpl bb, long offset) {
long base = bb.unsafeGetOffset();
long address = base + offset;
long maxAlignMask = bb.maxAlignMask();
if (((address | maxAlignMask) & alignmentMask) != 0) {
throw VarHandleSegmentViewBase.newIllegalArgumentExceptionForMisalignedAccess(address);
}
return address;
return base + offset;
}
@ForceInline
static $type$ get(VarHandle ob, Object obb, long base) {
VarHandleSegmentViewBase handle = (VarHandleSegmentViewBase)ob;
AbstractMemorySegmentImpl bb = checkAddress(obb, base, handle.length, true);
AbstractMemorySegmentImpl bb = checkReadOnly(obb, true);
#if[floatingPoint]
$rawType$ rawValue = SCOPED_MEMORY_ACCESS.get$RawType$Unaligned(bb.sessionImpl(),
bb.unsafeGetBase(),
offsetPlain(bb, base, handle.alignmentMask),
offsetPlain(bb, base),
handle.be);
return $Type$.$rawType$BitsTo$Type$(rawValue);
#else[floatingPoint]
#if[byte]
return SCOPED_MEMORY_ACCESS.get$Type$(bb.sessionImpl(),
bb.unsafeGetBase(),
offsetPlain(bb, base, handle.alignmentMask));
offsetPlain(bb, base));
#else[byte]
return SCOPED_MEMORY_ACCESS.get$Type$Unaligned(bb.sessionImpl(),
bb.unsafeGetBase(),
offsetPlain(bb, base, handle.alignmentMask),
offsetPlain(bb, base),
handle.be);
#end[byte]
#end[floatingPoint]
@ -149,23 +144,23 @@ final class VarHandleSegmentAs$Type$s extends VarHandleSegmentViewBase {
@ForceInline
static void set(VarHandle ob, Object obb, long base, $type$ value) {
VarHandleSegmentViewBase handle = (VarHandleSegmentViewBase)ob;
AbstractMemorySegmentImpl bb = checkAddress(obb, base, handle.length, false);
AbstractMemorySegmentImpl bb = checkReadOnly(obb, false);
#if[floatingPoint]
SCOPED_MEMORY_ACCESS.put$RawType$Unaligned(bb.sessionImpl(),
bb.unsafeGetBase(),
offsetPlain(bb, base, handle.alignmentMask),
offsetPlain(bb, base),
$Type$.$type$ToRaw$RawType$Bits(value),
handle.be);
#else[floatingPoint]
#if[byte]
SCOPED_MEMORY_ACCESS.put$Type$(bb.sessionImpl(),
bb.unsafeGetBase(),
offsetPlain(bb, base, handle.alignmentMask),
offsetPlain(bb, base),
value);
#else[byte]
SCOPED_MEMORY_ACCESS.put$Type$Unaligned(bb.sessionImpl(),
bb.unsafeGetBase(),
offsetPlain(bb, base, handle.alignmentMask),
offsetPlain(bb, base),
value,
handle.be);
#end[byte]
@ -175,7 +170,7 @@ final class VarHandleSegmentAs$Type$s extends VarHandleSegmentViewBase {
@ForceInline
static $type$ getVolatile(VarHandle ob, Object obb, long base) {
VarHandleSegmentViewBase handle = (VarHandleSegmentViewBase)ob;
AbstractMemorySegmentImpl bb = checkAddress(obb, base, handle.length, true);
AbstractMemorySegmentImpl bb = checkReadOnly(obb, true);
return convEndian(handle.be,
SCOPED_MEMORY_ACCESS.get$RawType$Volatile(bb.sessionImpl(),
bb.unsafeGetBase(),
@ -185,7 +180,7 @@ final class VarHandleSegmentAs$Type$s extends VarHandleSegmentViewBase {
@ForceInline
static void setVolatile(VarHandle ob, Object obb, long base, $type$ value) {
VarHandleSegmentViewBase handle = (VarHandleSegmentViewBase)ob;
AbstractMemorySegmentImpl bb = checkAddress(obb, base, handle.length, false);
AbstractMemorySegmentImpl bb = checkReadOnly(obb, false);
SCOPED_MEMORY_ACCESS.put$RawType$Volatile(bb.sessionImpl(),
bb.unsafeGetBase(),
offsetNonPlain(bb, base, handle.alignmentMask),
@ -195,7 +190,7 @@ final class VarHandleSegmentAs$Type$s extends VarHandleSegmentViewBase {
@ForceInline
static $type$ getAcquire(VarHandle ob, Object obb, long base) {
VarHandleSegmentViewBase handle = (VarHandleSegmentViewBase)ob;
AbstractMemorySegmentImpl bb = checkAddress(obb, base, handle.length, true);
AbstractMemorySegmentImpl bb = checkReadOnly(obb, true);
return convEndian(handle.be,
SCOPED_MEMORY_ACCESS.get$RawType$Acquire(bb.sessionImpl(),
bb.unsafeGetBase(),
@ -205,7 +200,7 @@ final class VarHandleSegmentAs$Type$s extends VarHandleSegmentViewBase {
@ForceInline
static void setRelease(VarHandle ob, Object obb, long base, $type$ value) {
VarHandleSegmentViewBase handle = (VarHandleSegmentViewBase)ob;
AbstractMemorySegmentImpl bb = checkAddress(obb, base, handle.length, false);
AbstractMemorySegmentImpl bb = checkReadOnly(obb, false);
SCOPED_MEMORY_ACCESS.put$RawType$Release(bb.sessionImpl(),
bb.unsafeGetBase(),
offsetNonPlain(bb, base, handle.alignmentMask),
@ -215,7 +210,7 @@ final class VarHandleSegmentAs$Type$s extends VarHandleSegmentViewBase {
@ForceInline
static $type$ getOpaque(VarHandle ob, Object obb, long base) {
VarHandleSegmentViewBase handle = (VarHandleSegmentViewBase)ob;
AbstractMemorySegmentImpl bb = checkAddress(obb, base, handle.length, true);
AbstractMemorySegmentImpl bb = checkReadOnly(obb, true);
return convEndian(handle.be,
SCOPED_MEMORY_ACCESS.get$RawType$Opaque(bb.sessionImpl(),
bb.unsafeGetBase(),
@ -225,7 +220,7 @@ final class VarHandleSegmentAs$Type$s extends VarHandleSegmentViewBase {
@ForceInline
static void setOpaque(VarHandle ob, Object obb, long base, $type$ value) {
VarHandleSegmentViewBase handle = (VarHandleSegmentViewBase)ob;
AbstractMemorySegmentImpl bb = checkAddress(obb, base, handle.length, false);
AbstractMemorySegmentImpl bb = checkReadOnly(obb, false);
SCOPED_MEMORY_ACCESS.put$RawType$Opaque(bb.sessionImpl(),
bb.unsafeGetBase(),
offsetNonPlain(bb, base, handle.alignmentMask),
@ -236,7 +231,7 @@ final class VarHandleSegmentAs$Type$s extends VarHandleSegmentViewBase {
@ForceInline
static boolean compareAndSet(VarHandle ob, Object obb, long base, $type$ expected, $type$ value) {
VarHandleSegmentViewBase handle = (VarHandleSegmentViewBase)ob;
AbstractMemorySegmentImpl bb = checkAddress(obb, base, handle.length, false);
AbstractMemorySegmentImpl bb = checkReadOnly(obb, false);
return SCOPED_MEMORY_ACCESS.compareAndSet$RawType$(bb.sessionImpl(),
bb.unsafeGetBase(),
offsetNonPlain(bb, base, handle.alignmentMask),
@ -246,7 +241,7 @@ final class VarHandleSegmentAs$Type$s extends VarHandleSegmentViewBase {
@ForceInline
static $type$ compareAndExchange(VarHandle ob, Object obb, long base, $type$ expected, $type$ value) {
VarHandleSegmentViewBase handle = (VarHandleSegmentViewBase)ob;
AbstractMemorySegmentImpl bb = checkAddress(obb, base, handle.length, false);
AbstractMemorySegmentImpl bb = checkReadOnly(obb, false);
return convEndian(handle.be,
SCOPED_MEMORY_ACCESS.compareAndExchange$RawType$(bb.sessionImpl(),
bb.unsafeGetBase(),
@ -257,7 +252,7 @@ final class VarHandleSegmentAs$Type$s extends VarHandleSegmentViewBase {
@ForceInline
static $type$ compareAndExchangeAcquire(VarHandle ob, Object obb, long base, $type$ expected, $type$ value) {
VarHandleSegmentViewBase handle = (VarHandleSegmentViewBase)ob;
AbstractMemorySegmentImpl bb = checkAddress(obb, base, handle.length, false);
AbstractMemorySegmentImpl bb = checkReadOnly(obb, false);
return convEndian(handle.be,
SCOPED_MEMORY_ACCESS.compareAndExchange$RawType$Acquire(bb.sessionImpl(),
bb.unsafeGetBase(),
@ -268,7 +263,7 @@ final class VarHandleSegmentAs$Type$s extends VarHandleSegmentViewBase {
@ForceInline
static $type$ compareAndExchangeRelease(VarHandle ob, Object obb, long base, $type$ expected, $type$ value) {
VarHandleSegmentViewBase handle = (VarHandleSegmentViewBase)ob;
AbstractMemorySegmentImpl bb = checkAddress(obb, base, handle.length, false);
AbstractMemorySegmentImpl bb = checkReadOnly(obb, false);
return convEndian(handle.be,
SCOPED_MEMORY_ACCESS.compareAndExchange$RawType$Release(bb.sessionImpl(),
bb.unsafeGetBase(),
@ -279,7 +274,7 @@ final class VarHandleSegmentAs$Type$s extends VarHandleSegmentViewBase {
@ForceInline
static boolean weakCompareAndSetPlain(VarHandle ob, Object obb, long base, $type$ expected, $type$ value) {
VarHandleSegmentViewBase handle = (VarHandleSegmentViewBase)ob;
AbstractMemorySegmentImpl bb = checkAddress(obb, base, handle.length, false);
AbstractMemorySegmentImpl bb = checkReadOnly(obb, false);
return SCOPED_MEMORY_ACCESS.weakCompareAndSet$RawType$Plain(bb.sessionImpl(),
bb.unsafeGetBase(),
offsetNonPlain(bb, base, handle.alignmentMask),
@ -289,7 +284,7 @@ final class VarHandleSegmentAs$Type$s extends VarHandleSegmentViewBase {
@ForceInline
static boolean weakCompareAndSet(VarHandle ob, Object obb, long base, $type$ expected, $type$ value) {
VarHandleSegmentViewBase handle = (VarHandleSegmentViewBase)ob;
AbstractMemorySegmentImpl bb = checkAddress(obb, base, handle.length, false);
AbstractMemorySegmentImpl bb = checkReadOnly(obb, false);
return SCOPED_MEMORY_ACCESS.weakCompareAndSet$RawType$(bb.sessionImpl(),
bb.unsafeGetBase(),
offsetNonPlain(bb, base, handle.alignmentMask),
@ -299,7 +294,7 @@ final class VarHandleSegmentAs$Type$s extends VarHandleSegmentViewBase {
@ForceInline
static boolean weakCompareAndSetAcquire(VarHandle ob, Object obb, long base, $type$ expected, $type$ value) {
VarHandleSegmentViewBase handle = (VarHandleSegmentViewBase)ob;
AbstractMemorySegmentImpl bb = checkAddress(obb, base, handle.length, false);
AbstractMemorySegmentImpl bb = checkReadOnly(obb, false);
return SCOPED_MEMORY_ACCESS.weakCompareAndSet$RawType$Acquire(bb.sessionImpl(),
bb.unsafeGetBase(),
offsetNonPlain(bb, base, handle.alignmentMask),
@ -309,7 +304,7 @@ final class VarHandleSegmentAs$Type$s extends VarHandleSegmentViewBase {
@ForceInline
static boolean weakCompareAndSetRelease(VarHandle ob, Object obb, long base, $type$ expected, $type$ value) {
VarHandleSegmentViewBase handle = (VarHandleSegmentViewBase)ob;
AbstractMemorySegmentImpl bb = checkAddress(obb, base, handle.length, false);
AbstractMemorySegmentImpl bb = checkReadOnly(obb, false);
return SCOPED_MEMORY_ACCESS.weakCompareAndSet$RawType$Release(bb.sessionImpl(),
bb.unsafeGetBase(),
offsetNonPlain(bb, base, handle.alignmentMask),
@ -319,7 +314,7 @@ final class VarHandleSegmentAs$Type$s extends VarHandleSegmentViewBase {
@ForceInline
static $type$ getAndSet(VarHandle ob, Object obb, long base, $type$ value) {
VarHandleSegmentViewBase handle = (VarHandleSegmentViewBase)ob;
AbstractMemorySegmentImpl bb = checkAddress(obb, base, handle.length, false);
AbstractMemorySegmentImpl bb = checkReadOnly(obb, false);
return convEndian(handle.be,
SCOPED_MEMORY_ACCESS.getAndSet$RawType$(bb.sessionImpl(),
bb.unsafeGetBase(),
@ -330,7 +325,7 @@ final class VarHandleSegmentAs$Type$s extends VarHandleSegmentViewBase {
@ForceInline
static $type$ getAndSetAcquire(VarHandle ob, Object obb, long base, $type$ value) {
VarHandleSegmentViewBase handle = (VarHandleSegmentViewBase)ob;
AbstractMemorySegmentImpl bb = checkAddress(obb, base, handle.length, false);
AbstractMemorySegmentImpl bb = checkReadOnly(obb, false);
return convEndian(handle.be,
SCOPED_MEMORY_ACCESS.getAndSet$RawType$Acquire(bb.sessionImpl(),
bb.unsafeGetBase(),
@ -341,7 +336,7 @@ final class VarHandleSegmentAs$Type$s extends VarHandleSegmentViewBase {
@ForceInline
static $type$ getAndSetRelease(VarHandle ob, Object obb, long base, $type$ value) {
VarHandleSegmentViewBase handle = (VarHandleSegmentViewBase)ob;
AbstractMemorySegmentImpl bb = checkAddress(obb, base, handle.length, false);
AbstractMemorySegmentImpl bb = checkReadOnly(obb, false);
return convEndian(handle.be,
SCOPED_MEMORY_ACCESS.getAndSet$RawType$Release(bb.sessionImpl(),
bb.unsafeGetBase(),
@ -354,7 +349,7 @@ final class VarHandleSegmentAs$Type$s extends VarHandleSegmentViewBase {
@ForceInline
static $type$ getAndAdd(VarHandle ob, Object obb, long base, $type$ delta) {
VarHandleSegmentViewBase handle = (VarHandleSegmentViewBase)ob;
AbstractMemorySegmentImpl bb = checkAddress(obb, base, handle.length, false);
AbstractMemorySegmentImpl bb = checkReadOnly(obb, false);
if (handle.be == BE) {
return SCOPED_MEMORY_ACCESS.getAndAdd$RawType$(bb.sessionImpl(),
bb.unsafeGetBase(),
@ -368,7 +363,7 @@ final class VarHandleSegmentAs$Type$s extends VarHandleSegmentViewBase {
@ForceInline
static $type$ getAndAddAcquire(VarHandle ob, Object obb, long base, $type$ delta) {
VarHandleSegmentViewBase handle = (VarHandleSegmentViewBase)ob;
AbstractMemorySegmentImpl bb = checkAddress(obb, base, handle.length, false);
AbstractMemorySegmentImpl bb = checkReadOnly(obb, false);
if (handle.be == BE) {
return SCOPED_MEMORY_ACCESS.getAndAdd$RawType$Acquire(bb.sessionImpl(),
bb.unsafeGetBase(),
@ -382,7 +377,7 @@ final class VarHandleSegmentAs$Type$s extends VarHandleSegmentViewBase {
@ForceInline
static $type$ getAndAddRelease(VarHandle ob, Object obb, long base, $type$ delta) {
VarHandleSegmentViewBase handle = (VarHandleSegmentViewBase)ob;
AbstractMemorySegmentImpl bb = checkAddress(obb, base, handle.length, false);
AbstractMemorySegmentImpl bb = checkReadOnly(obb, false);
if (handle.be == BE) {
return SCOPED_MEMORY_ACCESS.getAndAdd$RawType$Release(bb.sessionImpl(),
bb.unsafeGetBase(),
@ -410,7 +405,7 @@ final class VarHandleSegmentAs$Type$s extends VarHandleSegmentViewBase {
@ForceInline
static $type$ getAndBitwiseOr(VarHandle ob, Object obb, long base, $type$ value) {
VarHandleSegmentViewBase handle = (VarHandleSegmentViewBase)ob;
AbstractMemorySegmentImpl bb = checkAddress(obb, base, handle.length, false);
AbstractMemorySegmentImpl bb = checkReadOnly(obb, false);
if (handle.be == BE) {
return SCOPED_MEMORY_ACCESS.getAndBitwiseOr$RawType$(bb.sessionImpl(),
bb.unsafeGetBase(),
@ -424,7 +419,7 @@ final class VarHandleSegmentAs$Type$s extends VarHandleSegmentViewBase {
@ForceInline
static $type$ getAndBitwiseOrRelease(VarHandle ob, Object obb, long base, $type$ value) {
VarHandleSegmentViewBase handle = (VarHandleSegmentViewBase)ob;
AbstractMemorySegmentImpl bb = checkAddress(obb, base, handle.length, false);
AbstractMemorySegmentImpl bb = checkReadOnly(obb, false);
if (handle.be == BE) {
return SCOPED_MEMORY_ACCESS.getAndBitwiseOr$RawType$Release(bb.sessionImpl(),
bb.unsafeGetBase(),
@ -438,7 +433,7 @@ final class VarHandleSegmentAs$Type$s extends VarHandleSegmentViewBase {
@ForceInline
static $type$ getAndBitwiseOrAcquire(VarHandle ob, Object obb, long base, $type$ value) {
VarHandleSegmentViewBase handle = (VarHandleSegmentViewBase)ob;
AbstractMemorySegmentImpl bb = checkAddress(obb, base, handle.length, false);
AbstractMemorySegmentImpl bb = checkReadOnly(obb, false);
if (handle.be == BE) {
return SCOPED_MEMORY_ACCESS.getAndBitwiseOr$RawType$Acquire(bb.sessionImpl(),
bb.unsafeGetBase(),
@ -464,7 +459,7 @@ final class VarHandleSegmentAs$Type$s extends VarHandleSegmentViewBase {
@ForceInline
static $type$ getAndBitwiseAnd(VarHandle ob, Object obb, long base, $type$ value) {
VarHandleSegmentViewBase handle = (VarHandleSegmentViewBase)ob;
AbstractMemorySegmentImpl bb = checkAddress(obb, base, handle.length, false);
AbstractMemorySegmentImpl bb = checkReadOnly(obb, false);
if (handle.be == BE) {
return SCOPED_MEMORY_ACCESS.getAndBitwiseAnd$RawType$(bb.sessionImpl(),
bb.unsafeGetBase(),
@ -478,7 +473,7 @@ final class VarHandleSegmentAs$Type$s extends VarHandleSegmentViewBase {
@ForceInline
static $type$ getAndBitwiseAndRelease(VarHandle ob, Object obb, long base, $type$ value) {
VarHandleSegmentViewBase handle = (VarHandleSegmentViewBase)ob;
AbstractMemorySegmentImpl bb = checkAddress(obb, base, handle.length, false);
AbstractMemorySegmentImpl bb = checkReadOnly(obb, false);
if (handle.be == BE) {
return SCOPED_MEMORY_ACCESS.getAndBitwiseAnd$RawType$Release(bb.sessionImpl(),
bb.unsafeGetBase(),
@ -492,7 +487,7 @@ final class VarHandleSegmentAs$Type$s extends VarHandleSegmentViewBase {
@ForceInline
static $type$ getAndBitwiseAndAcquire(VarHandle ob, Object obb, long base, $type$ value) {
VarHandleSegmentViewBase handle = (VarHandleSegmentViewBase)ob;
AbstractMemorySegmentImpl bb = checkAddress(obb, base, handle.length, false);
AbstractMemorySegmentImpl bb = checkReadOnly(obb, false);
if (handle.be == BE) {
return SCOPED_MEMORY_ACCESS.getAndBitwiseAnd$RawType$Acquire(bb.sessionImpl(),
bb.unsafeGetBase(),
@ -519,7 +514,7 @@ final class VarHandleSegmentAs$Type$s extends VarHandleSegmentViewBase {
@ForceInline
static $type$ getAndBitwiseXor(VarHandle ob, Object obb, long base, $type$ value) {
VarHandleSegmentViewBase handle = (VarHandleSegmentViewBase)ob;
AbstractMemorySegmentImpl bb = checkAddress(obb, base, handle.length, false);
AbstractMemorySegmentImpl bb = checkReadOnly(obb, false);
if (handle.be == BE) {
return SCOPED_MEMORY_ACCESS.getAndBitwiseXor$RawType$(bb.sessionImpl(),
bb.unsafeGetBase(),
@ -533,7 +528,7 @@ final class VarHandleSegmentAs$Type$s extends VarHandleSegmentViewBase {
@ForceInline
static $type$ getAndBitwiseXorRelease(VarHandle ob, Object obb, long base, $type$ value) {
VarHandleSegmentViewBase handle = (VarHandleSegmentViewBase)ob;
AbstractMemorySegmentImpl bb = checkAddress(obb, base, handle.length, false);
AbstractMemorySegmentImpl bb = checkReadOnly(obb, false);
if (handle.be == BE) {
return SCOPED_MEMORY_ACCESS.getAndBitwiseXor$RawType$Release(bb.sessionImpl(),
bb.unsafeGetBase(),
@ -547,7 +542,7 @@ final class VarHandleSegmentAs$Type$s extends VarHandleSegmentViewBase {
@ForceInline
static $type$ getAndBitwiseXorAcquire(VarHandle ob, Object obb, long base, $type$ value) {
VarHandleSegmentViewBase handle = (VarHandleSegmentViewBase)ob;
AbstractMemorySegmentImpl bb = checkAddress(obb, base, handle.length, false);
AbstractMemorySegmentImpl bb = checkReadOnly(obb, false);
if (handle.be == BE) {
return SCOPED_MEMORY_ACCESS.getAndBitwiseXor$RawType$Acquire(bb.sessionImpl(),
bb.unsafeGetBase(),