arch/s390/include/asm/ftrace.h

   1 #ifndef _ASM_S390_FTRACE_H
   2 #define _ASM_S390_FTRACE_H
   3
   4 #ifndef __ASSEMBLY__
   5
   6 extern void _mcount(void);
   7 extern unsigned long ftrace_dyn_func;
   8
   9 struct dyn_arch_ftrace { };
  10
  11 #define MCOUNT_ADDR ((long)_mcount)
  12
  13 #ifdef CONFIG_64BIT
  14 #define MCOUNT_OFFSET_RET 18
  15 #define MCOUNT_INSN_SIZE  24
  16 #define MCOUNT_OFFSET     14
  17 #else
  18 #define MCOUNT_OFFSET_RET 26
  19 #define MCOUNT_INSN_SIZE  30
  20 #define MCOUNT_OFFSET      8
  21 #endif
  22
  23 static inline unsigned long ftrace_call_adjust(unsigned long addr)
  24 {
  25         return addr - MCOUNT_OFFSET;
  26 }
  27
  28 #endif /* __ASSEMBLY__ */
  29 #endif /* _ASM_S390_FTRACE_H */