Uses of Interface
java.lang.foreign.MemoryLayout

Packages that use MemoryLayout

Package	Description
java.lang.foreign	Provides low-level access to memory and functions outside the Java runtime.

Uses of MemoryLayout in java.lang.foreign

Subinterfaces of MemoryLayout in java.lang.foreign

Modifier and Type	Interface	Description
interface	AddressLayout	A value layout used to model the address of some region of memory.
interface	GroupLayout	A compound layout that is an aggregation of multiple, heterogeneous member layouts.
interface	PaddingLayout	A padding layout.
interface	SequenceLayout	A compound layout that denotes a homogeneous repetition of a given element layout.
interface	StructLayout	A group layout whose member layouts are laid out one after the other.
interface	UnionLayout	A group layout whose member layouts are laid out at the same starting offset.
interface	ValueLayout	A layout that models values of basic data types.
static interface	ValueLayout.OfBoolean	A value layout whose carrier is boolean.class.
static interface	ValueLayout.OfByte	A value layout whose carrier is byte.class.
static interface	ValueLayout.OfChar	A value layout whose carrier is char.class.
static interface	ValueLayout.OfDouble	A value layout whose carrier is double.class.
static interface	ValueLayout.OfFloat	A value layout whose carrier is float.class.
static interface	ValueLayout.OfInt	A value layout whose carrier is int.class.
static interface	ValueLayout.OfLong	A value layout whose carrier is long.class.
static interface	ValueLayout.OfShort	A value layout whose carrier is short.class.

Methods in java.lang.foreign that return MemoryLayout

Modifier and Type	Method	Description
MemoryLayout	SequenceLayout.elementLayout()	Returns the element layout of this sequence layout.
MemoryLayout	MemoryLayout.select(MemoryLayout.PathElement... elements)	Returns the layout selected from the provided path, where the initial layout in the path is this layout.
MemoryLayout	MemoryLayout.withByteAlignment(long byteAlignment)	Returns a memory layout with the same characteristics as this layout, but with the given alignment constraint (in bytes).
MemoryLayout	MemoryLayout.withName(String name)	Returns a memory layout with the same characteristics as this layout, but with the given name.
MemoryLayout	MemoryLayout.withoutName()	Returns a memory layout with the same characteristics as this layout, but with no name.

Methods in java.lang.foreign that return types with arguments of type MemoryLayout

Modifier and Type	Method	Description
List<MemoryLayout>	FunctionDescriptor.argumentLayouts()	Returns the argument layouts of this function descriptor (as an unmodifiable list).
Map<String,MemoryLayout>	Linker.canonicalLayouts()	Returns an unmodifiable mapping between the names of data types used by the ABI implemented by this linker and their canonical layouts.
List<MemoryLayout>	GroupLayout.memberLayouts()	Returns the member layouts of this group layout.
Optional<MemoryLayout>	FunctionDescriptor.returnLayout()	Returns the return layout (if any) of this function descriptor.
Optional<MemoryLayout>	AddressLayout.targetLayout()	Returns the target layout associated with this address layout (if any).

Methods in java.lang.foreign with parameters of type MemoryLayout

Modifier and Type	Method	Description
default MemorySegment	SegmentAllocator.allocate(MemoryLayout layout)	Returns a new memory segment with the given layout.
default MemorySegment	SegmentAllocator.allocate(MemoryLayout elementLayout, long count)	Returns a new memory segment with the given elementLayout and count.
FunctionDescriptor	FunctionDescriptor.appendArgumentLayouts(MemoryLayout... addedLayouts)	Returns a function descriptor with the given argument layouts appended to the argument layouts of this function descriptor.
MemorySegment	MemorySegment.asSlice(long offset, MemoryLayout layout)	Returns a slice of this memory segment with the given layout, at the given offset.
FunctionDescriptor	FunctionDescriptor.changeReturnLayout(MemoryLayout newReturn)	Returns a function descriptor with the provided return layout.
Stream<MemorySegment>	MemorySegment.elements(MemoryLayout elementLayout)	Returns a sequential Stream over disjoint slices (whose size matches that of the specified layout) in this segment.
FunctionDescriptor	FunctionDescriptor.insertArgumentLayouts(int index, MemoryLayout... addedLayouts)	Returns a function descriptor with the given argument layouts inserted at the given index, into the argument layout array of this function descriptor.
static FunctionDescriptor	FunctionDescriptor.of(MemoryLayout resLayout, MemoryLayout... argLayouts)	Creates a function descriptor with the given return and argument layouts.
static FunctionDescriptor	FunctionDescriptor.ofVoid(MemoryLayout... argLayouts)	Creates a function descriptor with the given argument layouts and no return layout.
static SequenceLayout	MemoryLayout.sequenceLayout(long elementCount, MemoryLayout elementLayout)	Creates a sequence layout with the given element layout and element count.
Spliterator<MemorySegment>	MemorySegment.spliterator(MemoryLayout elementLayout)	Returns a spliterator for this memory segment.
static StructLayout	MemoryLayout.structLayout(MemoryLayout... elements)	Creates a struct layout with the given member layouts.
static UnionLayout	MemoryLayout.unionLayout(MemoryLayout... elements)	Creates a union layout with the given member layouts.
AddressLayout	AddressLayout.withTargetLayout(MemoryLayout layout)	Restricted. Returns an address layout with the same carrier, alignment constraint, name and order as this address layout, but associated with the specified target layout.