elf_sym_by_idx
sym = elf_sym_by_idx(obj, ELF64_R_SYM(rel->r_info));
Elf64_Sym *sym = elf_sym_by_idx(obj, si);
Elf64_Sym *sym = elf_sym_by_idx(obj, i);
sym = elf_sym_by_idx(obj, sym_idx);
sym = elf_sym_by_idx(obj, ELF64_R_SYM(rel->r_info));
static Elf64_Sym *elf_sym_by_idx(const struct bpf_object *obj, size_t idx);
sym = elf_sym_by_idx(obj, i);