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
   8 struct dyn_arch_ftrace { };
   9
  10 #define MCOUNT_ADDR ((long)_mcount)
  11
  12 #ifdef CONFIG_64BIT
  13 #define MCOUNT_INSN_SIZE  12
  14 #define MCOUNT_OFFSET      8
  15 #else
  16 #define MCOUNT_INSN_SIZE  20
  17 #define MCOUNT_OFFSET      4
  18 #endif
  19
  20 static inline unsigned long ftrace_call_adjust(unsigned long addr)
  21 {
  22         return addr - MCOUNT_OFFSET;
  23 }
  24
  25 #endif /* __ASSEMBLY__ */
  26 #endif /* _ASM_S390_FTRACE_H */