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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) #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 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 long sys_personality(unsigned long personality); #endif /* _PERSONALITY_H */ |