jit.h File Reference

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

#include "../types.h"

Go to the source code of this file.

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

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

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

Detailed Description

Just-in-time compilation support.

Author

plutoo

Copyright

libnx Authors

Enumeration Type Documentation

enum JitType

JIT implementation type.

Enumerator
JitType_CodeMemory	JIT supported using svcSetProcessMemoryPermission.
JitType_JitMemory	JIT supported using 4.0.0+ JIT syscalls.

Function Documentation

Result jitClose

(

Jit *

j

)

Destroys a JIT buffer.

Parameters

j	JIT buffer.

Returns

Result code.

Result jitCreate	(	Jit *	j,
		size_t	size
	)

Creates a JIT buffer.

Parameters

j	JIT buffer.
size	Size of the JIT buffer.

Returns

Result code.

void* jitGetRwAddr

(

Jit *

j

)

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.

void* jitGetRxAddr

(

Jit *

j

)

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.

Result jitTransitionToExecutable

(

Jit *

j

)

Transition a JIT buffer to have executable permission.

Parameters

j	JIT buffer.

Returns

Result code.

Result jitTransitionToWritable

(

Jit *

j

)

Transition a JIT buffer to have writable permission.

Parameters

j	JIT buffer.

Returns

Result code.