int arch_install_hw_breakpoint(struct perf_event *bp);
void arch_uninstall_hw_breakpoint(struct perf_event *bp);
void hw_breakpoint_pmu_read(struct perf_event *bp);
-void hw_breakpoint_pmu_unthrottle(struct perf_event *bp);
extern void arch_fill_perf_breakpoint(struct perf_event *bp);
extern int register_sh_ubc(struct sh_ubc *);