Symbol: __libunwind_arch__unwind_step_ppc64
tools/perf/util/libunwind-arch/libunwind-arch.c
306
return __libunwind_arch__unwind_step_ppc64(ui);
tools/perf/util/libunwind-arch/libunwind-arch.h
289
int __libunwind_arch__unwind_step_ppc64(struct unwind_info *ui);