Sym
DEFINE_ELF_TYPE(Sym, elf_sym);
? sizeof(ElfClass64::Sym) : sizeof(ElfClass32::Sym);
typedef typename ElfClass::Sym Sym;
if (entrySize < sizeof(Sym) || symbolCount > dataSize
? sizeof(ElfClass64::Sym) : sizeof(ElfClass32::Sym);
typedef typename ElfClass::Sym ElfSym;