Module com.yasuenag.ffmasm

Package com.yasuenag.ffmasm

Class AsmBuilder<T extends AsmBuilder>

java.lang.Object

com.yasuenag.ffmasm.AsmBuilder<T>

Type Parameters:

T - Implementation of AsmBuilder

Direct Known Subclasses:

AArch64AsmBuilder, AMD64AsmBuilder

public class AsmBuilder<T extends AsmBuilder>
extends Object

Base class of assembly builder.

Author:

Yasumasa Suenaga

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static final class	AsmBuilder.AArch64	Builder class for AArch64
static final class	AsmBuilder.AMD64	Builder class for AMD64
static final class	AsmBuilder.AVX	Builder class for AVX
static final record	AsmBuilder.PendingJump
static final class	AsmBuilder.SSE	Builder class for SSE

Field Summary

Fields

Modifier and Type	Field	Description
protected final ByteBuffer	byteBuf	ByteBuffer which includes code content.
protected final Map<String,Integer>	labelMap
protected final Map<String,Set<AsmBuilder.PendingJump>>	pendingLabelMap

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	AsmBuilder(CodeSegment seg, FunctionDescriptor desc)

Method Summary

Modifier and Type	Method	Description
MethodHandle	build(Linker.Option... options)	Build as a MethodHandle
MethodHandle	build(String name, JitDump jitdump, Linker.Option... options)	Build as a MethodHandle
MethodHandle	build(String name, Linker.Option... options)	Build as a MethodHandle
protected T	castToT()	Cast "this" to "T" without unchecked warning.
MemorySegment	getMemorySegment()	Get MemorySegment which is associated with this builder.
MemorySegment	getMemorySegment(String name)	Get MemorySegment which is associated with this builder.
MemorySegment	getMemorySegment(String name, JitDump jitdump)	Get MemorySegment which is associated with this builder.

Methods inherited from class java.lang.Object

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

Field Details

byteBuf

protected final ByteBuffer byteBuf

ByteBuffer which includes code content.

labelMap

protected final Map<String,Integer> labelMap

pendingLabelMap

protected final Map<String,Set<AsmBuilder.PendingJump>> pendingLabelMap

Constructor Details

AsmBuilder

protected AsmBuilder(CodeSegment seg,
 FunctionDescriptor desc)

Method Details

castToT

protected T castToT()

Cast "this" to "T" without unchecked warning.

Returns:

"this" casted to "T"

build

public MethodHandle build(Linker.Option... options)

Build as a MethodHandle

Parameters:

options - Linker options to pass to downcallHandle().

Returns:

MethodHandle for this assembly

Throws:

IllegalStateException - when label(s) are not defined even if they are used

build

public MethodHandle build(String name,
 Linker.Option... options)

Build as a MethodHandle

Parameters:

name - Method name

options - Linker options to pass to downcallHandle().

Returns:

MethodHandle for this assembly

Throws:

IllegalStateException - when label(s) are not defined even if they are used

build

public MethodHandle build(String name,
 JitDump jitdump,
 Linker.Option... options)

Build as a MethodHandle

Parameters:

name - Method name

jitdump - JitDump instance which should be written.

options - Linker options to pass to downcallHandle().

Returns:

MethodHandle for this assembly

Throws:

IllegalStateException - when label(s) are not defined even if they are used

getMemorySegment

public MemorySegment getMemorySegment()

Get MemorySegment which is associated with this builder.

Returns:

MemorySegment of this builder

Throws:

IllegalStateException - when label(s) are not defined even if they are used

getMemorySegment

public MemorySegment getMemorySegment(String name)

Get MemorySegment which is associated with this builder.

Parameters:

name - Method name

Returns:

MemorySegment of this builder

Throws:

IllegalStateException - when label(s) are not defined even if they are used

getMemorySegment

public MemorySegment getMemorySegment(String name,
 JitDump jitdump)

Get MemorySegment which is associated with this builder.

Parameters:

name - Method name

jitdump - JitDump instance which should be written.

Returns:

MemorySegment of this builder

Throws:

IllegalStateException - when label(s) are not defined even if they are used