Hi Zhangjin, On 2023-06-07 13:39:20+0800, Zhangjin Wu wrote: > > As a summary, will use 'sysret()' and something like: > > static __attribute__((unused)) > int chdir(const char *path) > { > return sysret(chdir(path)); > } > > to renew the syscall helper patchset, Thanks you very much. But please to use the "__" prefix. Otherwise it could conflict with user code. Thomas