Fixed a couple bugs in roxl/roxr. X flag wasn't being saved properly and rotates of more than 31 bits were messed up as the X flag was being thrown away between the first 31 bits of rotate and the rest.

#ifndef MEM_H_
#define MEM_H_

#include <stddef.h>

#define PAGE_SIZE 4096

void * alloc_code(size_t *size);

#endif //MEM_H_