-extern int __init pmu_init(struct oprofile_operations *ops, struct op_arm_model_spec *spec);
-extern void pmu_exit(void);
+extern void arm_backtrace(struct pt_regs * const regs, unsigned int depth);
+
+extern int __init op_arm_init(struct oprofile_operations *ops, struct op_arm_model_spec *spec);
+extern void op_arm_exit(void);