uword clib_elf_symbol_by_name (char *name, clib_elf_symbol_t * result);
uword clib_elf_symbol_by_address (uword address, clib_elf_symbol_t * result);
uword clib_elf_symbol_by_name (char *name, clib_elf_symbol_t * result);
uword clib_elf_symbol_by_address (uword address, clib_elf_symbol_t * result);