jit.h File Reference

Just-in-time compilation support. More...

#include "../types.h"
#include "virtmem.h"

Go to the source code of this file.

Data Structures
struct	Jit
	JIT buffer object. More...

Enumerations
enum	JitType {   JitType_SetProcessMemoryPermission ,   JitType_CodeMemory }
	JIT implementation type. More...

Functions
Result	jitCreate (Jit *j, size_t size)
	Creates a JIT buffer.
Result	jitTransitionToWritable (Jit *j)
	Transition a JIT buffer to have writable permission.
Result	jitTransitionToExecutable (Jit *j)
	Transition a JIT buffer to have executable permission.
Result	jitClose (Jit *j)
	Destroys a JIT buffer.
static void *	jitGetRwAddr (Jit *j)
	Gets the address of the writable memory alias of a JIT buffer.
static void *	jitGetRxAddr (Jit *j)
	Gets the address of the executable memory alias of a JIT buffer.

Detailed Description

Just-in-time compilation support.

Author

plutoo

Copyright

libnx Authors

Enumeration Type Documentation

JitType

enum JitType

JIT implementation type.

Enumerator
JitType_SetProcessMemoryPermission	JIT supported using svcSetProcessMemoryPermission.
JitType_CodeMemory	JIT supported using [4.0.0+] CodeMemory syscalls.

Function Documentation

jitClose()

Result jitClose

(

Jit *

j

)

Destroys a JIT buffer.

Parameters

j	JIT buffer.

Returns

Result code.

jitCreate()

Result jitCreate	(	Jit *	j,
		size_t	size
	)

Creates a JIT buffer.

Parameters

j	JIT buffer.
size	Size of the JIT buffer.

Returns

Result code.

jitGetRwAddr()

static void * jitGetRwAddr ( Jit *  j )

inlinestatic

Gets the address of the writable memory alias of a JIT buffer.

Parameters

j	JIT buffer.

Returns

Pointer to alias of the JIT buffer that can be written to.

jitGetRxAddr()

static void * jitGetRxAddr ( Jit *  j )

inlinestatic

Gets the address of the executable memory alias of a JIT buffer.

Parameters

j	JIT buffer.

Returns

Pointer to alias of the JIT buffer that can be executed.

jitTransitionToExecutable()

Result jitTransitionToExecutable

(

Jit *

j

)

Transition a JIT buffer to have executable permission.

Parameters

j	JIT buffer.

Returns

Result code.

jitTransitionToWritable()

Result jitTransitionToWritable

(

Jit *

j

)

Transition a JIT buffer to have writable permission.

Parameters

j	JIT buffer.

Returns

Result code.