Class PanamaMemory

java.lang.Object

ai.tegmentum.wasmtime4j.panama.PanamaMemory

All Implemented Interfaces:

ai.tegmentum.wasmtime4j.WasmMemory

public final class PanamaMemory
extends Object
implements ai.tegmentum.wasmtime4j.WasmMemory

Panama FFI implementation of WebAssembly Memory.

Since:

1.0.0

Method Summary

Modifier and Type	Method	Description
int	atomicAddInt(int offset, int value)
long	atomicAddLong(int offset, long value)
int	atomicAndInt(int offset, int value)
long	atomicAndLong(int offset, long value)
int	atomicCompareAndSwapInt(int offset, int expected, int newValue)
long	atomicCompareAndSwapLong(int offset, long expected, long newValue)
void	atomicFence()
int	atomicLoadInt(int offset)
long	atomicLoadLong(int offset)
int	atomicNotify(int offset, int count)
int	atomicOrInt(int offset, int value)
long	atomicOrLong(int offset, long value)
void	atomicStoreInt(int offset, int value)
void	atomicStoreLong(int offset, long value)
ai.tegmentum.wasmtime4j.WaitResult	atomicWait32(int offset, int expected, long timeoutNanos)
ai.tegmentum.wasmtime4j.WaitResult	atomicWait64(int offset, long expected, long timeoutNanos)
int	atomicXorInt(int offset, int value)
long	atomicXorLong(int offset, long value)
void	close()	Closes the memory and releases resources.
void	copy(int destOffset, int srcOffset, int length)
long	dataPtr()
long	dataSize()
void	dropDataSegment(int dataSegmentIndex)
void	fill(int offset, byte value, int length)
ByteBuffer	getBuffer()
int	getMaxSize()
ai.tegmentum.wasmtime4j.type.MemoryType	getMemoryType()
MemorySegment	getNativeMemory()	Gets the native memory pointer.
int	getSize()
long	getSize64()
int	grow(int pages)
long	grow64(long pages)
long	growAsync(long pages)
void	init(int destOffset, int dataSegmentIndex, int srcOffset, int length)
boolean	isShared()
int	pageSize()
int	pageSizeLog2()
byte	readByte(int offset)
void	readBytes(int offset, byte[] dest, int destOffset, int length)
void	readBytes64(long offset, byte[] dest, int destOffset, int length)
boolean	supports64BitAddressing()
void	writeByte(int offset, byte value)
void	writeBytes(int offset, byte[] src, int srcOffset, int length)
void	writeBytes64(long offset, byte[] src, int srcOffset, int length)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface ai.tegmentum.wasmtime4j.WasmMemory

copy, copy64, fill, fill64, getMaxSize64, getMaxSizeInBytes64, getMinSize, getSizeInBytes64, init64, readByte64, readFloat32, readFloat64, readInt32, readInt64, size, writeByte64, writeFloat32, writeFloat64, writeInt32, writeInt64

Method Details

dataPtr

public long dataPtr()

Specified by:

dataPtr in interface ai.tegmentum.wasmtime4j.WasmMemory

pageSizeLog2

public int pageSizeLog2()

Specified by:

pageSizeLog2 in interface ai.tegmentum.wasmtime4j.WasmMemory

pageSize

public int pageSize()

Specified by:

pageSize in interface ai.tegmentum.wasmtime4j.WasmMemory

dataSize

public long dataSize()

Specified by:

dataSize in interface ai.tegmentum.wasmtime4j.WasmMemory

getSize

public int getSize()

Specified by:

getSize in interface ai.tegmentum.wasmtime4j.WasmMemory

grow

public int grow(int pages)

Specified by:

grow in interface ai.tegmentum.wasmtime4j.WasmMemory

getMaxSize

public int getMaxSize()

Specified by:

getMaxSize in interface ai.tegmentum.wasmtime4j.WasmMemory

getBuffer

public ByteBuffer getBuffer()

Specified by:

getBuffer in interface ai.tegmentum.wasmtime4j.WasmMemory

readByte

public byte readByte(int offset)

Specified by:

readByte in interface ai.tegmentum.wasmtime4j.WasmMemory

writeByte

public void writeByte(int offset,
 byte value)

Specified by:

writeByte in interface ai.tegmentum.wasmtime4j.WasmMemory

readBytes

public void readBytes(int offset,
 byte[] dest,
 int destOffset,
 int length)

Specified by:

readBytes in interface ai.tegmentum.wasmtime4j.WasmMemory

writeBytes

public void writeBytes(int offset,
 byte[] src,
 int srcOffset,
 int length)

Specified by:

writeBytes in interface ai.tegmentum.wasmtime4j.WasmMemory

copy

public void copy(int destOffset,
 int srcOffset,
 int length)

Specified by:

copy in interface ai.tegmentum.wasmtime4j.WasmMemory

fill

public void fill(int offset,
 byte value,
 int length)

Specified by:

fill in interface ai.tegmentum.wasmtime4j.WasmMemory

init

public void init(int destOffset,
 int dataSegmentIndex,
 int srcOffset,
 int length)

Specified by:

init in interface ai.tegmentum.wasmtime4j.WasmMemory

dropDataSegment

public void dropDataSegment(int dataSegmentIndex)

Specified by:

dropDataSegment in interface ai.tegmentum.wasmtime4j.WasmMemory

isShared

public boolean isShared()

Specified by:

isShared in interface ai.tegmentum.wasmtime4j.WasmMemory

getMemoryType

public ai.tegmentum.wasmtime4j.type.MemoryType getMemoryType()

Specified by:

getMemoryType in interface ai.tegmentum.wasmtime4j.WasmMemory

atomicCompareAndSwapInt

public int atomicCompareAndSwapInt(int offset,
 int expected,
 int newValue)

Specified by:

atomicCompareAndSwapInt in interface ai.tegmentum.wasmtime4j.WasmMemory

atomicCompareAndSwapLong

public long atomicCompareAndSwapLong(int offset,
 long expected,
 long newValue)

Specified by:

atomicCompareAndSwapLong in interface ai.tegmentum.wasmtime4j.WasmMemory

atomicLoadInt

public int atomicLoadInt(int offset)

Specified by:

atomicLoadInt in interface ai.tegmentum.wasmtime4j.WasmMemory

atomicLoadLong

public long atomicLoadLong(int offset)

Specified by:

atomicLoadLong in interface ai.tegmentum.wasmtime4j.WasmMemory

atomicStoreInt

public void atomicStoreInt(int offset,
 int value)

Specified by:

atomicStoreInt in interface ai.tegmentum.wasmtime4j.WasmMemory

atomicStoreLong

public void atomicStoreLong(int offset,
 long value)

Specified by:

atomicStoreLong in interface ai.tegmentum.wasmtime4j.WasmMemory

atomicAddInt

public int atomicAddInt(int offset,
 int value)

Specified by:

atomicAddInt in interface ai.tegmentum.wasmtime4j.WasmMemory

atomicAddLong

public long atomicAddLong(int offset,
 long value)

Specified by:

atomicAddLong in interface ai.tegmentum.wasmtime4j.WasmMemory

atomicAndInt

public int atomicAndInt(int offset,
 int value)

Specified by:

atomicAndInt in interface ai.tegmentum.wasmtime4j.WasmMemory

atomicOrInt

public int atomicOrInt(int offset,
 int value)

Specified by:

atomicOrInt in interface ai.tegmentum.wasmtime4j.WasmMemory

atomicXorInt

public int atomicXorInt(int offset,
 int value)

Specified by:

atomicXorInt in interface ai.tegmentum.wasmtime4j.WasmMemory

atomicAndLong

public long atomicAndLong(int offset,
 long value)

Specified by:

atomicAndLong in interface ai.tegmentum.wasmtime4j.WasmMemory

atomicOrLong

public long atomicOrLong(int offset,
 long value)

Specified by:

atomicOrLong in interface ai.tegmentum.wasmtime4j.WasmMemory

atomicXorLong

public long atomicXorLong(int offset,
 long value)

Specified by:

atomicXorLong in interface ai.tegmentum.wasmtime4j.WasmMemory

readBytes64

public void readBytes64(long offset,
 byte[] dest,
 int destOffset,
 int length)

Specified by:

readBytes64 in interface ai.tegmentum.wasmtime4j.WasmMemory

writeBytes64

public void writeBytes64(long offset,
 byte[] src,
 int srcOffset,
 int length)

Specified by:

writeBytes64 in interface ai.tegmentum.wasmtime4j.WasmMemory

getSize64

public long getSize64()

Specified by:

getSize64 in interface ai.tegmentum.wasmtime4j.WasmMemory

grow64

public long grow64(long pages)

Specified by:

grow64 in interface ai.tegmentum.wasmtime4j.WasmMemory

supports64BitAddressing

public boolean supports64BitAddressing()

Specified by:

supports64BitAddressing in interface ai.tegmentum.wasmtime4j.WasmMemory

atomicFence

public void atomicFence()

Specified by:

atomicFence in interface ai.tegmentum.wasmtime4j.WasmMemory

atomicNotify

public int atomicNotify(int offset,
 int count)

Specified by:

atomicNotify in interface ai.tegmentum.wasmtime4j.WasmMemory

atomicWait32

public ai.tegmentum.wasmtime4j.WaitResult atomicWait32(int offset,
 int expected,
 long timeoutNanos)

Specified by:

atomicWait32 in interface ai.tegmentum.wasmtime4j.WasmMemory

atomicWait64

public ai.tegmentum.wasmtime4j.WaitResult atomicWait64(int offset,
 long expected,
 long timeoutNanos)

Specified by:

atomicWait64 in interface ai.tegmentum.wasmtime4j.WasmMemory

growAsync

public long growAsync(long pages)
               throws ai.tegmentum.wasmtime4j.exception.WasmException

Specified by:

growAsync in interface ai.tegmentum.wasmtime4j.WasmMemory

Throws:

ai.tegmentum.wasmtime4j.exception.WasmException

close

public void close()

Closes the memory and releases resources.

getNativeMemory

public MemorySegment getNativeMemory()

Gets the native memory pointer.

For instance-exported memories, this method looks up the memory pointer by name. For store-created memories, it returns the stored native pointer.

Returns:

native memory segment, or NULL if the memory pointer cannot be obtained