__weak_symbol
extern const Elf_Rela __rela_iplt_start[] __dso_hidden __weak_symbol;
extern const Elf_Rela __rela_iplt_end[] __dso_hidden __weak_symbol;
extern ptype __weak_symbol *__CONCAT(__start_set_,set); \
extern ptype __weak_symbol *__CONCAT(__stop_set_,set)