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JDK 17 java.base.jmod - Base Module
JDK 17 java.base.jmod is the JMOD file for JDK 17 Base module.
JDK 17 Base module compiled class files are stored in \fyicenter\jdk-17.0.5\jmods\java.base.jmod.
JDK 17 Base module compiled class files are also linked and stored in the \fyicenter\jdk-17.0.5\lib\modules JImage file.
JDK 17 Base module source code files are stored in \fyicenter\jdk-17.0.5\lib\src.zip\java.base.
You can click and view the content of each source code file in the list below.
✍: FYIcenter
⏎ java/lang/invoke/MemoryAccessVarHandleCharHelper.java
/* * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved. * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. * * * * * * * * * * * * * * * * * * * * */ package java.lang.invoke; import jdk.internal.access.foreign.MemorySegmentProxy; import jdk.internal.misc.ScopedMemoryAccess; import jdk.internal.vm.annotation.ForceInline; import java.lang.ref.Reference; import java.util.Objects; import static java.lang.invoke.MethodHandleStatics.UNSAFE; // -- This file was mechanically generated: Do not edit! -- // final class MemoryAccessVarHandleCharHelper extends MemoryAccessVarHandleBase { static final boolean BE = UNSAFE.isBigEndian(); static final ScopedMemoryAccess SCOPED_MEMORY_ACCESS = ScopedMemoryAccess.getScopedMemoryAccess(); static final int VM_ALIGN = Character.BYTES - 1; static final VarForm FORM = new VarForm(MemoryAccessVarHandleCharHelper.class, MemorySegmentProxy.class, char.class, long.class); MemoryAccessVarHandleCharHelper(boolean skipAlignmentMaskCheck, boolean be, long length, long alignmentMask, boolean exact) { super(FORM, skipAlignmentMaskCheck, be, length, alignmentMask, exact); } @Override final MethodType accessModeTypeUncached(VarHandle.AccessType accessType) { return accessType.accessModeType(MemorySegmentProxy.class, char.class, long.class); } @Override public MemoryAccessVarHandleCharHelper withInvokeExactBehavior() { return hasInvokeExactBehavior() ? this : new MemoryAccessVarHandleCharHelper(skipAlignmentMaskCheck, be, length, alignmentMask, true); } @Override public MemoryAccessVarHandleCharHelper withInvokeBehavior() { return !hasInvokeExactBehavior() ? this : new MemoryAccessVarHandleCharHelper(skipAlignmentMaskCheck, be, length, alignmentMask, false); } @ForceInline static char convEndian(boolean big, char n) { return big == BE ? n : Character.reverseBytes(n); } @ForceInline static MemorySegmentProxy checkAddress(Object obb, long offset, long length, boolean ro) { MemorySegmentProxy oo = (MemorySegmentProxy)Objects.requireNonNull(obb); oo.checkAccess(offset, length, ro); return oo; } @ForceInline static long offset(boolean skipAlignmentMaskCheck, MemorySegmentProxy bb, long offset, long alignmentMask) { long address = offsetNoVMAlignCheck(skipAlignmentMaskCheck, bb, offset, alignmentMask); if ((address & VM_ALIGN) != 0) { throw MemoryAccessVarHandleBase.newIllegalStateExceptionForMisalignedAccess(address); } return address; } @ForceInline static long offsetNoVMAlignCheck(boolean skipAlignmentMaskCheck, MemorySegmentProxy bb, long offset, long alignmentMask) { long base = bb.unsafeGetOffset(); long address = base + offset; if (skipAlignmentMaskCheck) { //note: the offset portion has already been aligned-checked, by construction if ((base & alignmentMask) != 0) { throw MemoryAccessVarHandleBase.newIllegalStateExceptionForMisalignedAccess(address); } } else { if ((address & alignmentMask) != 0) { throw MemoryAccessVarHandleBase.newIllegalStateExceptionForMisalignedAccess(address); } } return address; } @ForceInline static char get(VarHandle ob, Object obb, long base) { MemoryAccessVarHandleBase handle = (MemoryAccessVarHandleBase)ob; MemorySegmentProxy bb = checkAddress(obb, base, handle.length, true); return SCOPED_MEMORY_ACCESS.getCharUnaligned(bb.scope(), bb.unsafeGetBase(), offsetNoVMAlignCheck(handle.skipAlignmentMaskCheck, bb, base, handle.alignmentMask), handle.be); } @ForceInline static void set(VarHandle ob, Object obb, long base, char value) { MemoryAccessVarHandleBase handle = (MemoryAccessVarHandleBase)ob; MemorySegmentProxy bb = checkAddress(obb, base, handle.length, false); SCOPED_MEMORY_ACCESS.putCharUnaligned(bb.scope(), bb.unsafeGetBase(), offsetNoVMAlignCheck(handle.skipAlignmentMaskCheck, bb, base, handle.alignmentMask), value, handle.be); } @ForceInline static char getVolatile(VarHandle ob, Object obb, long base) { MemoryAccessVarHandleBase handle = (MemoryAccessVarHandleBase)ob; MemorySegmentProxy bb = checkAddress(obb, base, handle.length, true); return convEndian(handle.be, SCOPED_MEMORY_ACCESS.getCharVolatile(bb.scope(), bb.unsafeGetBase(), offset(handle.skipAlignmentMaskCheck, bb, base, handle.alignmentMask))); } @ForceInline static void setVolatile(VarHandle ob, Object obb, long base, char value) { MemoryAccessVarHandleBase handle = (MemoryAccessVarHandleBase)ob; MemorySegmentProxy bb = checkAddress(obb, base, handle.length, false); SCOPED_MEMORY_ACCESS.putCharVolatile(bb.scope(), bb.unsafeGetBase(), offset(handle.skipAlignmentMaskCheck, bb, base, handle.alignmentMask), convEndian(handle.be, value)); } @ForceInline static char getAcquire(VarHandle ob, Object obb, long base) { MemoryAccessVarHandleBase handle = (MemoryAccessVarHandleBase)ob; MemorySegmentProxy bb = checkAddress(obb, base, handle.length, true); return convEndian(handle.be, SCOPED_MEMORY_ACCESS.getCharAcquire(bb.scope(), bb.unsafeGetBase(), offset(handle.skipAlignmentMaskCheck, bb, base, handle.alignmentMask))); } @ForceInline static void setRelease(VarHandle ob, Object obb, long base, char value) { MemoryAccessVarHandleBase handle = (MemoryAccessVarHandleBase)ob; MemorySegmentProxy bb = checkAddress(obb, base, handle.length, false); SCOPED_MEMORY_ACCESS.putCharRelease(bb.scope(), bb.unsafeGetBase(), offset(handle.skipAlignmentMaskCheck, bb, base, handle.alignmentMask), convEndian(handle.be, value)); } @ForceInline static char getOpaque(VarHandle ob, Object obb, long base) { MemoryAccessVarHandleBase handle = (MemoryAccessVarHandleBase)ob; MemorySegmentProxy bb = checkAddress(obb, base, handle.length, true); return convEndian(handle.be, SCOPED_MEMORY_ACCESS.getCharOpaque(bb.scope(), bb.unsafeGetBase(), offset(handle.skipAlignmentMaskCheck, bb, base, handle.alignmentMask))); } @ForceInline static void setOpaque(VarHandle ob, Object obb, long base, char value) { MemoryAccessVarHandleBase handle = (MemoryAccessVarHandleBase)ob; MemorySegmentProxy bb = checkAddress(obb, base, handle.length, false); SCOPED_MEMORY_ACCESS.putCharOpaque(bb.scope(), bb.unsafeGetBase(), offset(handle.skipAlignmentMaskCheck, bb, base, handle.alignmentMask), convEndian(handle.be, value)); } }
⏎ java/lang/invoke/MemoryAccessVarHandleCharHelper.java
Or download all of them as a single archive file:
File name: java.base-17.0.5-src.zip File size: 8883851 bytes Release date: 2022-09-13 Download
2023-09-26, 44428👍, 1💬
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