JDK 11 java.base.jmod - Base Module
JDK 11 java.base.jmod is the JMOD file for JDK 11 Base module.
JDK 11 Base module compiled class files are stored in \fyicenter\jdk-11.0.1\jmods\java.base.jmod.
JDK 11 Base module compiled class files are also linked and stored in the \fyicenter\jdk-11.0.1\lib\modules JImage file.
JDK 11 Base module source code files are stored in \fyicenter\jdk-11.0.1\lib\src.zip\java.base.
You can click and view the content of each source code file in the list below.
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⏎ java/nio/DirectFloatBufferS.java
/*
* Copyright (c) 2000, 2018, Oracle and/or its affiliates. All rights reserved.
* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
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// -- This file was mechanically generated: Do not edit! -- //
package java.nio;
import java.io.FileDescriptor;
import java.lang.ref.Reference;
import jdk.internal.misc.VM;
import jdk.internal.ref.Cleaner;
import sun.nio.ch.DirectBuffer;
class DirectFloatBufferS
extends FloatBuffer
implements DirectBuffer
{
// Cached array base offset
private static final long ARRAY_BASE_OFFSET = UNSAFE.arrayBaseOffset(float[].class);
// Cached unaligned-access capability
protected static final boolean UNALIGNED = Bits.unaligned();
// Base address, used in all indexing calculations
// NOTE: moved up to Buffer.java for speed in JNI GetDirectBufferAddress
// protected long address;
// An object attached to this buffer. If this buffer is a view of another
// buffer then we use this field to keep a reference to that buffer to
// ensure that its memory isn't freed before we are done with it.
private final Object att;
public Object attachment() {
return att;
}
public Cleaner cleaner() { return null; }
// For duplicates and slices
//
DirectFloatBufferS(DirectBuffer db, // package-private
int mark, int pos, int lim, int cap,
int off)
{
super(mark, pos, lim, cap);
address = db.address() + off;
att = db;
}
@Override
Object base() {
return null;
}
public FloatBuffer slice() {
int pos = this.position();
int lim = this.limit();
assert (pos <= lim);
int rem = (pos <= lim ? lim - pos : 0);
int off = (pos << 2);
assert (off >= 0);
return new DirectFloatBufferS(this, -1, 0, rem, rem, off);
}
public FloatBuffer duplicate() {
return new DirectFloatBufferS(this,
this.markValue(),
this.position(),
this.limit(),
this.capacity(),
0);
}
public FloatBuffer asReadOnlyBuffer() {
return new DirectFloatBufferRS(this,
this.markValue(),
this.position(),
this.limit(),
this.capacity(),
0);
}
public long address() {
return address;
}
private long ix(int i) {
return address + ((long)i << 2);
}
public float get() {
try {
return Float.intBitsToFloat(Bits.swap(UNSAFE.getInt(ix(nextGetIndex()))));
} finally {
Reference.reachabilityFence(this);
}
}
public float get(int i) {
try {
return Float.intBitsToFloat(Bits.swap(UNSAFE.getInt(ix(checkIndex(i)))));
} finally {
Reference.reachabilityFence(this);
}
}
public FloatBuffer get(float[] dst, int offset, int length) {
if (((long)length << 2) > Bits.JNI_COPY_TO_ARRAY_THRESHOLD) {
checkBounds(offset, length, dst.length);
int pos = position();
int lim = limit();
assert (pos <= lim);
int rem = (pos <= lim ? lim - pos : 0);
if (length > rem)
throw new BufferUnderflowException();
long dstOffset = ARRAY_BASE_OFFSET + ((long)offset << 2);
try {
if (order() != ByteOrder.nativeOrder())
UNSAFE.copySwapMemory(null,
ix(pos),
dst,
dstOffset,
(long)length << 2,
(long)1 << 2);
else
UNSAFE.copyMemory(null,
ix(pos),
dst,
dstOffset,
(long)length << 2);
} finally {
Reference.reachabilityFence(this);
}
position(pos + length);
} else {
super.get(dst, offset, length);
}
return this;
}
public FloatBuffer put(float x) {
try {
UNSAFE.putInt(ix(nextPutIndex()), Bits.swap(Float.floatToRawIntBits(x)));
} finally {
Reference.reachabilityFence(this);
}
return this;
}
public FloatBuffer put(int i, float x) {
try {
UNSAFE.putInt(ix(checkIndex(i)), Bits.swap(Float.floatToRawIntBits(x)));
} finally {
Reference.reachabilityFence(this);
}
return this;
}
public FloatBuffer put(FloatBuffer src) {
if (src instanceof DirectFloatBufferS) {
if (src == this)
throw createSameBufferException();
DirectFloatBufferS sb = (DirectFloatBufferS)src;
int spos = sb.position();
int slim = sb.limit();
assert (spos <= slim);
int srem = (spos <= slim ? slim - spos : 0);
int pos = position();
int lim = limit();
assert (pos <= lim);
int rem = (pos <= lim ? lim - pos : 0);
if (srem > rem)
throw new BufferOverflowException();
try {
UNSAFE.copyMemory(sb.ix(spos), ix(pos), (long)srem << 2);
} finally {
Reference.reachabilityFence(sb);
Reference.reachabilityFence(this);
}
sb.position(spos + srem);
position(pos + srem);
} else if (src.hb != null) {
int spos = src.position();
int slim = src.limit();
assert (spos <= slim);
int srem = (spos <= slim ? slim - spos : 0);
put(src.hb, src.offset + spos, srem);
src.position(spos + srem);
} else {
super.put(src);
}
return this;
}
public FloatBuffer put(float[] src, int offset, int length) {
if (((long)length << 2) > Bits.JNI_COPY_FROM_ARRAY_THRESHOLD) {
checkBounds(offset, length, src.length);
int pos = position();
int lim = limit();
assert (pos <= lim);
int rem = (pos <= lim ? lim - pos : 0);
if (length > rem)
throw new BufferOverflowException();
long srcOffset = ARRAY_BASE_OFFSET + ((long)offset << 2);
try {
if (order() != ByteOrder.nativeOrder())
UNSAFE.copySwapMemory(src,
srcOffset,
null,
ix(pos),
(long)length << 2,
(long)1 << 2);
else
UNSAFE.copyMemory(src,
srcOffset,
null,
ix(pos),
(long)length << 2);
} finally {
Reference.reachabilityFence(this);
}
position(pos + length);
} else {
super.put(src, offset, length);
}
return this;
}
public FloatBuffer compact() {
int pos = position();
int lim = limit();
assert (pos <= lim);
int rem = (pos <= lim ? lim - pos : 0);
try {
UNSAFE.copyMemory(ix(pos), ix(0), (long)rem << 2);
} finally {
Reference.reachabilityFence(this);
}
position(rem);
limit(capacity());
discardMark();
return this;
}
public boolean isDirect() {
return true;
}
public boolean isReadOnly() {
return false;
}
public ByteOrder order() {
return ((ByteOrder.nativeOrder() == ByteOrder.BIG_ENDIAN)
? ByteOrder.LITTLE_ENDIAN : ByteOrder.BIG_ENDIAN);
}
}
⏎ java/nio/DirectFloatBufferS.java
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