#ifndef _PERSONALITY_H
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#ifndef _PERSONALITY_H
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#define _PERSONALITY_H
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#define _PERSONALITY_H
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#include <linux/linkage.h>
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#include <linux/linkage.h>
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#include <linux/ptrace.h>
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#include <linux/ptrace.h>
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/* Flags for bug emulation. These occupy the top three bytes. */
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/* Flags for bug emulation. These occupy the top three bytes. */
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#define STICKY_TIMEOUTS 0x4000000
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#define STICKY_TIMEOUTS 0x4000000
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#define WHOLE_SECONDS 0x2000000
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#define WHOLE_SECONDS 0x2000000
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#define ADDR_MAX_32BIT 0x1000000
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#define ADDR_MAX_32BIT 0x1000000
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#define ADDR_MAX_31BIT 0x0800000
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#define ADDR_MAX_31BIT 0x0800000
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/* Personality types. These go in the low byte. Avoid using the top bit,
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/* Personality types. These go in the low byte. Avoid using the top bit,
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* it will conflict with error returns.
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* it will conflict with error returns.
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*/
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*/
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#define PER_MASK (0x00ff)
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#define PER_MASK (0x00ff)
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#define PER_LINUX (0x0000)
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#define PER_LINUX (0x0000)
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#define PER_LINUX_32BIT (PER_LINUX | ADDR_MAX_32BIT)
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#define PER_LINUX_32BIT (PER_LINUX | ADDR_MAX_32BIT)
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#define PER_LINUX_EM86 (PER_LINUX | ADDR_MAX_31BIT)
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#define PER_LINUX_EM86 (PER_LINUX | ADDR_MAX_31BIT)
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#define PER_SVR4 (0x0001 | STICKY_TIMEOUTS)
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#define PER_SVR4 (0x0001 | STICKY_TIMEOUTS)
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#define PER_SVR3 (0x0002 | STICKY_TIMEOUTS)
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#define PER_SVR3 (0x0002 | STICKY_TIMEOUTS)
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#define PER_SCOSVR3 (0x0003 | STICKY_TIMEOUTS | WHOLE_SECONDS)
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#define PER_SCOSVR3 (0x0003 | STICKY_TIMEOUTS | WHOLE_SECONDS)
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#define PER_WYSEV386 (0x0004 | STICKY_TIMEOUTS)
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#define PER_WYSEV386 (0x0004 | STICKY_TIMEOUTS)
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#define PER_ISCR4 (0x0005 | STICKY_TIMEOUTS)
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#define PER_ISCR4 (0x0005 | STICKY_TIMEOUTS)
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#define PER_BSD (0x0006)
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#define PER_BSD (0x0006)
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#define PER_XENIX (0x0007 | STICKY_TIMEOUTS)
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#define PER_XENIX (0x0007 | STICKY_TIMEOUTS)
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/* Prototype for an lcall7 syscall handler. */
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/* Prototype for an lcall7 syscall handler. */
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typedef void (*lcall7_func)(struct pt_regs *);
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typedef void (*lcall7_func)(struct pt_regs *);
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/* Description of an execution domain - personality range supported,
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/* Description of an execution domain - personality range supported,
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* lcall7 syscall handler, start up / shut down functions etc.
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* lcall7 syscall handler, start up / shut down functions etc.
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* N.B. The name and lcall7 handler must be where they are since the
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* N.B. The name and lcall7 handler must be where they are since the
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* offset of the handler is hard coded in kernel/sys_call.S.
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* offset of the handler is hard coded in kernel/sys_call.S.
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*/
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*/
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struct exec_domain {
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struct exec_domain {
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const char *name;
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const char *name;
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lcall7_func handler;
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lcall7_func handler;
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unsigned char pers_low, pers_high;
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unsigned char pers_low, pers_high;
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unsigned long * signal_map;
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unsigned long * signal_map;
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unsigned long * signal_invmap;
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unsigned long * signal_invmap;
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long *use_count;
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long *use_count;
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struct exec_domain *next;
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struct exec_domain *next;
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};
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};
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extern struct exec_domain default_exec_domain;
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extern struct exec_domain default_exec_domain;
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extern struct exec_domain *lookup_exec_domain(unsigned long personality);
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extern struct exec_domain *lookup_exec_domain(unsigned long personality);
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extern int register_exec_domain(struct exec_domain *it);
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extern int register_exec_domain(struct exec_domain *it);
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extern int unregister_exec_domain(struct exec_domain *it);
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extern int unregister_exec_domain(struct exec_domain *it);
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asmlinkage int sys_personality(unsigned long personality);
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asmlinkage int sys_personality(unsigned long personality);
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#endif /* _PERSONALITY_H */
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#endif /* _PERSONALITY_H */
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