release/src-rt-6.x.4708/linux/linux-2.6.36/arch/ia64/include/asm/ftrace.h

   1 #ifndef _ASM_IA64_FTRACE_H
   2 #define _ASM_IA64_FTRACE_H
   3
   4 #ifdef CONFIG_FUNCTION_TRACER
   5 #define MCOUNT_INSN_SIZE        32 /* sizeof mcount call */
   6
   7 #ifndef __ASSEMBLY__
   8 extern void _mcount(unsigned long pfs, unsigned long r1, unsigned long b0, unsigned long r0);
   9 #define mcount _mcount
  10
  11 /* In IA64, MCOUNT_ADDR is set in link time, so it's not a constant at compile time */
  12 #define MCOUNT_ADDR (((struct fnptr *)mcount)->ip)
  13 #define FTRACE_ADDR (((struct fnptr *)ftrace_caller)->ip)
  14
  15 static inline unsigned long ftrace_call_adjust(unsigned long addr)
  16 {
  17         /* second bundle, insn 2 */
  18         return addr - 0x12;
  19 }
  20
  21 struct dyn_arch_ftrace {
  22 };
  23 #endif
  24
  25 #endif /* CONFIG_FUNCTION_TRACER */
  26
  27 #endif /* _ASM_IA64_FTRACE_H */