#ifndef _LINUX_PERSONALITY_H
#define _LINUX_PERSONALITY_H

#include <uapi/linux/personality.h>


/*
* Handling of different ABIs (personalities).
*/

struct exec_domain;
struct pt_regs;

extern int register_exec_domain(struct exec_domain *);
extern int unregister_exec_domain(struct exec_domain *);
extern int __set_personality(unsigned int);


/*
* Description of an execution domain.
*
* The first two members are refernced from assembly source
* and should stay where they are unless explicitly needed.
*/
typedef void (*handler_t)(int, struct pt_regs *);

struct exec_domain {
const char *name; /* name of the execdomain */
handler_t handler; /* handler for syscalls */
unsigned char pers_low; /* lowest personality */
unsigned char pers_high; /* highest personality */
unsigned long *signal_map; /* signal mapping */
unsigned long *signal_invmap; /* reverse signal mapping */
struct map_segment *err_map; /* error mapping */
struct map_segment *socktype_map; /* socket type mapping */
struct map_segment *sockopt_map; /* socket option mapping */
struct map_segment *af_map; /* address family mapping */
struct module *module; /* module context of the ed. */
struct exec_domain *next; /* linked list (internal) */
};

/*
* Return the base personality without flags.
*/
#define personality(pers) (pers & PER_MASK)


/*
* Change personality of the currently running process.
*/
#define set_personality(pers) \
((current->personality == (pers)) ? 0 : __set_personality(pers))

#endif /* _LINUX_PERSONALITY_H */