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#ifndef _PERSONALITY_H
#define _PERSONALITY_H
#include <linux/linkage.h>
#include <linux/ptrace.h>
#include <asm/current.h>
/* Flags for bug emulation. These occupy the top three bytes. */
#define STICKY_TIMEOUTS 0x4000000
#define WHOLE_SECONDS 0x2000000
#define ADDR_LIMIT_32BIT 0x0800000
/* Personality types. These go in the low byte. Avoid using the top bit,
* it will conflict with error returns.
*/
#define PER_MASK (0x00ff)
#define PER_LINUX (0x0000)
#define PER_LINUX_32BIT (0x0000 | ADDR_LIMIT_32BIT)
#define PER_SVR4 (0x0001 | STICKY_TIMEOUTS)
#define PER_SVR3 (0x0002 | STICKY_TIMEOUTS)
#define PER_SCOSVR3 (0x0003 | STICKY_TIMEOUTS | WHOLE_SECONDS)
#define PER_WYSEV386 (0x0004 | STICKY_TIMEOUTS)
#define PER_ISCR4 (0x0005 | STICKY_TIMEOUTS)
#define PER_BSD (0x0006)
#define PER_SUNOS (PER_BSD | STICKY_TIMEOUTS)
#define PER_XENIX (0x0007 | STICKY_TIMEOUTS)
#define PER_LINUX32 (0x0008)
#define PER_IRIX32 (0x0009 | STICKY_TIMEOUTS) /* IRIX5 32-bit */
#define PER_IRIXN32 (0x000a | STICKY_TIMEOUTS) /* IRIX6 new 32-bit */
#define PER_IRIX64 (0x000b | STICKY_TIMEOUTS) /* IRIX6 64-bit */
#define PER_RISCOS (0x000c)
#define PER_SOLARIS (0x000d | STICKY_TIMEOUTS)
/* Prototype for an lcall7 syscall handler. */
typedef void (*lcall7_func)(int, struct pt_regs *);
/* Description of an execution domain - personality range supported,
* lcall7 syscall handler, start up / shut down functions etc.
* N.B. The name and lcall7 handler must be where they are since the
* offset of the handler is hard coded in kernel/sys_call.S.
*/
struct exec_domain {
const char *name;
lcall7_func handler;
unsigned char pers_low, pers_high;
unsigned long * signal_map;
unsigned long * signal_invmap;
struct module * module;
struct exec_domain *next;
};
extern struct exec_domain default_exec_domain;
extern int register_exec_domain(struct exec_domain *it);
extern int unregister_exec_domain(struct exec_domain *it);
#define put_exec_domain(it) \
if (it && it->module) __MOD_DEC_USE_COUNT(it->module);
#define get_exec_domain(it) \
if (it && it->module) __MOD_INC_USE_COUNT(it->module);
extern void __set_personality(unsigned long personality);
#define set_personality(pers) do { \
if (current->personality != pers) \
__set_personality(pers); \
} while (0)
asmlinkage long sys_personality(unsigned long personality);
#endif /* _PERSONALITY_H */
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