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- #ifndef _PERSONALITY_H
- #define _PERSONALITY_H
-
- #include <linux/linkage.h>
- #include <linux/ptrace.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_XENIX (0x0007 | STICKY_TIMEOUTS)
- #define PER_LINUX32 (0x0008)
-
- /* Prototype for an lcall7 syscall handler. */
- typedef void (*lcall7_func)(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 struct exec_domain *lookup_exec_domain(unsigned long personality);
- extern int register_exec_domain(struct exec_domain *it);
- extern int unregister_exec_domain(struct exec_domain *it);
- asmlinkage int sys_personality(unsigned long personality);
-
- #endif /* _PERSONALITY_H */
-