arch/parisc/include/asm/ftrace.h

   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 HAVE_ARCH_CALLER_ADDR
  28
  29 #define CALLER_ADDR0 ((unsigned long)__builtin_return_address(0))
  30 #define CALLER_ADDR1 return_address(1)
  31 #define CALLER_ADDR2 return_address(2)
  32 #define CALLER_ADDR3 return_address(3)
  33 #define CALLER_ADDR4 return_address(4)
  34 #define CALLER_ADDR5 return_address(5)
  35 #define CALLER_ADDR6 return_address(6)
  36
  37 #endif /* __ASSEMBLY__ */
  38
  39 #endif /* _ASM_PARISC_FTRACE_H */