1 #ifndef _ASM_PARISC_FTRACE_H 2 #define _ASM_PARISC_FTRACE_H 3 4 #ifndef __ASSEMBLY__ 5 extern void mcount(void); 6 7 /* 8 * Stack of return addresses for functions of a thread. 9 * Used in struct thread_info 10 */ 11 struct ftrace_ret_stack { 12 unsigned long ret; 13 unsigned long func; 14 unsigned long long calltime; 15 }; 16 17 /* 18 * Primary handler of a function return. 19 * It relays on ftrace_return_to_handler. 20 * Defined in entry.S 21 */ 22 extern void return_to_handler(void); 23 24 25 extern unsigned long return_address(unsigned int); 26 27 #define ftrace_return_address(n) return_address(n) 28 29 #endif /* __ASSEMBLY__ */ 30 31 #endif /* _ASM_PARISC_FTRACE_H */ 32