Uses of Interface
java.lang.foreign.MemorySegment

Packages that use MemorySegment^PREVIEW

Package	Description
java.lang.foreign	Provides low-level access to memory and functions outside the Java runtime.
java.nio.channels	Defines channels, which represent connections to entities that are capable of performing I/O operations, such as files and sockets; defines selectors, for multiplexed, non-blocking I/O operations.
jdk.incubator.vector	Incubating Feature. Will be removed in a future release.

Uses of MemorySegment^PREVIEW in java.lang.foreign

Methods in java.lang.foreign that return MemorySegment^PREVIEW

Modifier and Type	Method	Description
default MemorySegmentPREVIEW	MemorySession.allocate(long bytesSize, long bytesAlignment)	Allocates a native segment, using this session.
default MemorySegmentPREVIEW	SegmentAllocator.allocate(long bytesSize)	Allocates a memory segment with the given size.
MemorySegmentPREVIEW	SegmentAllocator.allocate(long bytesSize, long bytesAlignment)	Allocates a memory segment with the given size and alignment constraints.
default MemorySegmentPREVIEW	SegmentAllocator.allocate(MemoryLayoutPREVIEW layout)	Allocates a memory segment with the given layout.
default MemorySegmentPREVIEW	SegmentAllocator.allocate(ValueLayout.OfAddressPREVIEW layout, AddressablePREVIEW value)	Allocates a memory segment with the given layout and initializes it with the given address value.
default MemorySegmentPREVIEW	SegmentAllocator.allocate(ValueLayout.OfBytePREVIEW layout, byte value)	Allocates a memory segment with the given layout and initializes it with the given byte value.
default MemorySegmentPREVIEW	SegmentAllocator.allocate(ValueLayout.OfCharPREVIEW layout, char value)	Allocates a memory segment with the given layout and initializes it with the given char value.
default MemorySegmentPREVIEW	SegmentAllocator.allocate(ValueLayout.OfDoublePREVIEW layout, double value)	Allocates a memory segment with the given layout and initializes it with the given double value.
default MemorySegmentPREVIEW	SegmentAllocator.allocate(ValueLayout.OfFloatPREVIEW layout, float value)	Allocates a memory segment with the given layout and initializes it with the given float value.
default MemorySegmentPREVIEW	SegmentAllocator.allocate(ValueLayout.OfIntPREVIEW layout, int value)	Allocates a memory segment with the given layout and initializes it with the given int value.
default MemorySegmentPREVIEW	SegmentAllocator.allocate(ValueLayout.OfLongPREVIEW layout, long value)	Allocates a memory segment with the given layout and initializes it with the given long value.
default MemorySegmentPREVIEW	SegmentAllocator.allocate(ValueLayout.OfShortPREVIEW layout, short value)	Allocates a memory segment with the given layout and initializes it with the given short value.
default MemorySegmentPREVIEW	SegmentAllocator.allocateArray(MemoryLayoutPREVIEW elementLayout, long count)	Allocates a memory segment with the given element layout and size.
default MemorySegmentPREVIEW	SegmentAllocator.allocateArray(ValueLayout.OfBytePREVIEW elementLayout, byte... elements)	Allocates a memory segment with the given layout and initializes it with the given byte elements.
default MemorySegmentPREVIEW	SegmentAllocator.allocateArray(ValueLayout.OfCharPREVIEW elementLayout, char... elements)	Allocates a memory segment with the given layout and initializes it with the given char elements.
default MemorySegmentPREVIEW	SegmentAllocator.allocateArray(ValueLayout.OfDoublePREVIEW elementLayout, double... elements)	Allocates a memory segment with the given layout and initializes it with the given double elements.
default MemorySegmentPREVIEW	SegmentAllocator.allocateArray(ValueLayout.OfFloatPREVIEW elementLayout, float... elements)	Allocates a memory segment with the given layout and initializes it with the given float elements.
default MemorySegmentPREVIEW	SegmentAllocator.allocateArray(ValueLayout.OfIntPREVIEW elementLayout, int... elements)	Allocates a memory segment with the given layout and initializes it with the given int elements.
default MemorySegmentPREVIEW	SegmentAllocator.allocateArray(ValueLayout.OfLongPREVIEW elementLayout, long... elements)	Allocates a memory segment with the given layout and initializes it with the given long elements.
default MemorySegmentPREVIEW	SegmentAllocator.allocateArray(ValueLayout.OfShortPREVIEW elementLayout, short... elements)	Allocates a memory segment with the given layout and initializes it with the given short elements.
static MemorySegmentPREVIEW	MemorySegment.allocateNative(long bytesSize, long alignmentBytes, MemorySessionPREVIEW session)	Creates a native memory segment with the given size (in bytes), alignment constraint (in bytes) and memory session.
static MemorySegmentPREVIEW	MemorySegment.allocateNative(long bytesSize, MemorySessionPREVIEW session)	Creates a native memory segment with the given size (in bytes) and memory session.
static MemorySegmentPREVIEW	MemorySegment.allocateNative(MemoryLayoutPREVIEW layout, MemorySessionPREVIEW session)	Creates a native memory segment with the given layout and memory session.
default MemorySegmentPREVIEW	SegmentAllocator.allocateUtf8String(String str)	Converts a Java string into a UTF-8 encoded, null-terminated C string, storing the result into a memory segment.
MemorySegmentPREVIEW	MemorySegment.asReadOnly()	Returns a read-only view of this segment.
default MemorySegmentPREVIEW	MemorySegment.asSlice(long offset)	Returns a slice of this memory segment, at the given offset.
MemorySegmentPREVIEW	MemorySegment.asSlice(long offset, long newSize)	Returns a slice of this memory segment, at the given offset.
default MemorySegmentPREVIEW	MemorySegment.copyFrom(MemorySegmentPREVIEW src)	Performs a bulk copy from given source segment to this segment.
MemorySegmentPREVIEW	MemorySegment.fill(byte value)	Fills a value into this memory segment.
MemorySegmentPREVIEW	VaList.nextVarg(GroupLayoutPREVIEW layout, SegmentAllocatorPREVIEW allocator)	Reads the next value as a MemorySegment, and advances this variable argument list's position.
static MemorySegmentPREVIEW	MemorySegment.ofAddress(MemoryAddressPREVIEW address, long bytesSize, MemorySessionPREVIEW session)	Creates a native memory segment with the given size, base address, and memory session.
static MemorySegmentPREVIEW	MemorySegment.ofArray(byte[] arr)	Creates an array memory segment that models the memory associated with the given heap-allocated byte array.
static MemorySegmentPREVIEW	MemorySegment.ofArray(char[] arr)	Creates an array memory segment that models the memory associated with the given heap-allocated char array.
static MemorySegmentPREVIEW	MemorySegment.ofArray(double[] arr)	Creates an array memory segment that models the memory associated with the given heap-allocated double array.
static MemorySegmentPREVIEW	MemorySegment.ofArray(float[] arr)	Creates an array memory segment that models the memory associated with the given heap-allocated float array.
static MemorySegmentPREVIEW	MemorySegment.ofArray(int[] arr)	Creates an array memory segment that models the memory associated with the given heap-allocated int array.
static MemorySegmentPREVIEW	MemorySegment.ofArray(long[] arr)	Creates an array memory segment that models the memory associated with the given heap-allocated long array.
static MemorySegmentPREVIEW	MemorySegment.ofArray(short[] arr)	Creates an array memory segment that models the memory associated with the given heap-allocated short array.
static MemorySegmentPREVIEW	MemorySegment.ofBuffer(Buffer buffer)	Creates a buffer memory segment that models the memory associated with the given Buffer instance.
MemorySegmentPREVIEW	Linker.upcallStub(MethodHandle target, FunctionDescriptorPREVIEW function, MemorySessionPREVIEW session)	Creates a stub which can be passed to other foreign functions as a function pointer, with the given memory session.

Methods in java.lang.foreign that return types with arguments of type MemorySegment^PREVIEW

Modifier and Type	Method	Description
Optional<MemorySegmentPREVIEW>	MemorySegment.asOverlappingSlice(MemorySegmentPREVIEW other)	Returns a slice of this segment that is the overlap between this and the provided segment.
Stream<MemorySegmentPREVIEW>	MemorySegment.elements(MemoryLayoutPREVIEW elementLayout)	Returns a sequential Stream over disjoint slices (whose size matches that of the specified layout) in this segment.
Optional<MemorySegmentPREVIEW>	SymbolLookup.lookup(String name)	Returns the address of the symbol with the given name.
Spliterator<MemorySegmentPREVIEW>	MemorySegment.spliterator(MemoryLayoutPREVIEW elementLayout)	Returns a spliterator for this memory segment.

Methods in java.lang.foreign with parameters of type MemorySegment^PREVIEW

Modifier and Type	Method	Description
VaList.BuilderPREVIEW	VaList.Builder.addVarg(GroupLayoutPREVIEW layout, MemorySegmentPREVIEW value)	Writes a MemorySegment value, with the given layout, to the variable argument list being constructed.
Optional<MemorySegmentPREVIEW>	MemorySegment.asOverlappingSlice(MemorySegmentPREVIEW other)	Returns a slice of this segment that is the overlap between this and the provided segment.
static void	MemorySegment.copy(MemorySegmentPREVIEW srcSegment, long srcOffset, MemorySegmentPREVIEW dstSegment, long dstOffset, long bytes)	Performs a bulk copy from source segment to destination segment.
static void	MemorySegment.copy(MemorySegmentPREVIEW srcSegment, ValueLayoutPREVIEW srcElementLayout, long srcOffset, MemorySegmentPREVIEW dstSegment, ValueLayoutPREVIEW dstElementLayout, long dstOffset, long elementCount)	Performs a bulk copy from source segment to destination segment.
static void	MemorySegment.copy(MemorySegmentPREVIEW srcSegment, ValueLayoutPREVIEW srcLayout, long srcOffset, Object dstArray, int dstIndex, int elementCount)	Copies a number of elements from a source memory segment to a destination array.
static void	MemorySegment.copy(Object srcArray, int srcIndex, MemorySegmentPREVIEW dstSegment, ValueLayoutPREVIEW dstLayout, long dstOffset, int elementCount)	Copies a number of elements from a source array to a destination memory segment.
default MemorySegmentPREVIEW	MemorySegment.copyFrom(MemorySegmentPREVIEW src)	Performs a bulk copy from given source segment to this segment.
long	MemorySegment.mismatch(MemorySegmentPREVIEW other)	Finds and returns the offset, in bytes, of the first mismatch between this segment and the given other segment.
static SegmentAllocatorPREVIEW	SegmentAllocator.prefixAllocator(MemorySegmentPREVIEW segment)	Returns a segment allocator which responds to allocation requests by recycling a single segment.
long	MemorySegment.segmentOffset(MemorySegmentPREVIEW other)	Returns the offset, in bytes, of the provided segment, relative to this segment.

Uses of MemorySegment^PREVIEW in java.nio.channels

Methods in java.nio.channels that return MemorySegment^PREVIEW

Modifier and Type	Method	Description
MemorySegmentPREVIEW	FileChannel.map(FileChannel.MapMode mode, long offset, long size, MemorySessionPREVIEW session)	Preview. Maps a region of this channel's file into a new mapped memory segment, with the given offset, size and memory session.

Uses of MemorySegment^PREVIEW in jdk.incubator.vector

Methods in jdk.incubator.vector with parameters of type MemorySegment^PREVIEW

Modifier and Type	Method	Description
static ByteVector	ByteVector.fromMemorySegment(VectorSpecies<Byte> species, MemorySegmentPREVIEW ms, long offset, ByteOrder bo)	Loads a vector from a memory segmentPREVIEW starting at an offset into the memory segment.
static ByteVector	ByteVector.fromMemorySegment(VectorSpecies<Byte> species, MemorySegmentPREVIEW ms, long offset, ByteOrder bo, VectorMask<Byte> m)	Loads a vector from a memory segmentPREVIEW starting at an offset into the memory segment and using a mask.
static DoubleVector	DoubleVector.fromMemorySegment(VectorSpecies<Double> species, MemorySegmentPREVIEW ms, long offset, ByteOrder bo)	Loads a vector from a memory segmentPREVIEW starting at an offset into the memory segment.
static DoubleVector	DoubleVector.fromMemorySegment(VectorSpecies<Double> species, MemorySegmentPREVIEW ms, long offset, ByteOrder bo, VectorMask<Double> m)	Loads a vector from a memory segmentPREVIEW starting at an offset into the memory segment and using a mask.
static FloatVector	FloatVector.fromMemorySegment(VectorSpecies<Float> species, MemorySegmentPREVIEW ms, long offset, ByteOrder bo)	Loads a vector from a memory segmentPREVIEW starting at an offset into the memory segment.
static FloatVector	FloatVector.fromMemorySegment(VectorSpecies<Float> species, MemorySegmentPREVIEW ms, long offset, ByteOrder bo, VectorMask<Float> m)	Loads a vector from a memory segmentPREVIEW starting at an offset into the memory segment and using a mask.
static IntVector	IntVector.fromMemorySegment(VectorSpecies<Integer> species, MemorySegmentPREVIEW ms, long offset, ByteOrder bo)	Loads a vector from a memory segmentPREVIEW starting at an offset into the memory segment.
static IntVector	IntVector.fromMemorySegment(VectorSpecies<Integer> species, MemorySegmentPREVIEW ms, long offset, ByteOrder bo, VectorMask<Integer> m)	Loads a vector from a memory segmentPREVIEW starting at an offset into the memory segment and using a mask.
static LongVector	LongVector.fromMemorySegment(VectorSpecies<Long> species, MemorySegmentPREVIEW ms, long offset, ByteOrder bo)	Loads a vector from a memory segmentPREVIEW starting at an offset into the memory segment.
static LongVector	LongVector.fromMemorySegment(VectorSpecies<Long> species, MemorySegmentPREVIEW ms, long offset, ByteOrder bo, VectorMask<Long> m)	Loads a vector from a memory segmentPREVIEW starting at an offset into the memory segment and using a mask.
static ShortVector	ShortVector.fromMemorySegment(VectorSpecies<Short> species, MemorySegmentPREVIEW ms, long offset, ByteOrder bo)	Loads a vector from a memory segmentPREVIEW starting at an offset into the memory segment.
static ShortVector	ShortVector.fromMemorySegment(VectorSpecies<Short> species, MemorySegmentPREVIEW ms, long offset, ByteOrder bo, VectorMask<Short> m)	Loads a vector from a memory segmentPREVIEW starting at an offset into the memory segment and using a mask.
Vector<E>	VectorSpecies.fromMemorySegment(MemorySegmentPREVIEW ms, long offset, ByteOrder bo)	Loads a vector of this species from a memory segmentPREVIEW starting at an offset into the memory segment.
final void	ByteVector.intoMemorySegment(MemorySegmentPREVIEW ms, long offset, ByteOrder bo)	Stores this vector into a memory segmentPREVIEW starting at an offset using explicit byte order.
final void	ByteVector.intoMemorySegment(MemorySegmentPREVIEW ms, long offset, ByteOrder bo, VectorMask<Byte> m)	Stores this vector into a memory segmentPREVIEW starting at an offset using explicit byte order and a mask.
final void	DoubleVector.intoMemorySegment(MemorySegmentPREVIEW ms, long offset, ByteOrder bo)	Stores this vector into a memory segmentPREVIEW starting at an offset using explicit byte order.
final void	DoubleVector.intoMemorySegment(MemorySegmentPREVIEW ms, long offset, ByteOrder bo, VectorMask<Double> m)	Stores this vector into a memory segmentPREVIEW starting at an offset using explicit byte order and a mask.
final void	FloatVector.intoMemorySegment(MemorySegmentPREVIEW ms, long offset, ByteOrder bo)	Stores this vector into a memory segmentPREVIEW starting at an offset using explicit byte order.
final void	FloatVector.intoMemorySegment(MemorySegmentPREVIEW ms, long offset, ByteOrder bo, VectorMask<Float> m)	Stores this vector into a memory segmentPREVIEW starting at an offset using explicit byte order and a mask.
final void	IntVector.intoMemorySegment(MemorySegmentPREVIEW ms, long offset, ByteOrder bo)	Stores this vector into a memory segmentPREVIEW starting at an offset using explicit byte order.
final void	IntVector.intoMemorySegment(MemorySegmentPREVIEW ms, long offset, ByteOrder bo, VectorMask<Integer> m)	Stores this vector into a memory segmentPREVIEW starting at an offset using explicit byte order and a mask.
final void	LongVector.intoMemorySegment(MemorySegmentPREVIEW ms, long offset, ByteOrder bo)	Stores this vector into a memory segmentPREVIEW starting at an offset using explicit byte order.
final void	LongVector.intoMemorySegment(MemorySegmentPREVIEW ms, long offset, ByteOrder bo, VectorMask<Long> m)	Stores this vector into a memory segmentPREVIEW starting at an offset using explicit byte order and a mask.
final void	ShortVector.intoMemorySegment(MemorySegmentPREVIEW ms, long offset, ByteOrder bo)	Stores this vector into a memory segmentPREVIEW starting at an offset using explicit byte order.
final void	ShortVector.intoMemorySegment(MemorySegmentPREVIEW ms, long offset, ByteOrder bo, VectorMask<Short> m)	Stores this vector into a memory segmentPREVIEW starting at an offset using explicit byte order and a mask.
abstract void	Vector.intoMemorySegment(MemorySegmentPREVIEW ms, long offset, ByteOrder bo)	Stores this vector into a memory segmentPREVIEW starting at an offset using explicit byte order.
abstract void	Vector.intoMemorySegment(MemorySegmentPREVIEW ms, long offset, ByteOrder bo, VectorMask<E> m)	Stores this vector into a memory segmentPREVIEW starting at an offset using explicit byte order and a mask.