#define user_mode(regs) (((regs)->iaoq[0] & 3) ? 1 : 0)
#define user_space(regs) (((regs)->iasq[1] != 0) ? 1 : 0)
#define instruction_pointer(regs) ((regs)->iaoq[0] & ~3)
-#define profile_pc(regs) instruction_pointer(regs)
+unsigned long profile_pc(struct pt_regs *);
extern void show_regs(struct pt_regs *);
#endif