53 lines
1.5 KiB
C
53 lines
1.5 KiB
C
#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))
|
|
|
|
#endif /* _LINUX_PERSONALITY_H */
|