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kernel add
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#ifndef _ASM_PARISC_FTRACE_H
#define _ASM_PARISC_FTRACE_H
#ifndef __ASSEMBLY__
extern void mcount(void);
/*
* Stack of return addresses for functions of a thread.
* Used in struct thread_info
*/
struct ftrace_ret_stack {
unsigned long ret;
unsigned long func;
unsigned long long calltime;
};
/*
* Primary handler of a function return.
* It relays on ftrace_return_to_handler.
* Defined in entry.S
*/
extern void return_to_handler(void);
extern unsigned long return_address(unsigned int);
#define ftrace_return_address(n) return_address(n)
#endif /* __ASSEMBLY__ */
#endif /* _ASM_PARISC_FTRACE_H */
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