Binutils is a collection of binary utilities, including ar (for
creating, modifying and extracting from archives), as (a family of GNU
assemblers), gprof (for displaying call graph profile data), ld (the
GNU linker), nm (for listing symbols from object files), objcopy (for
copying and translating object files), objdump (for displaying
information from object files), ranlib (for generating an index for
the contents of an archive), size (for listing the section sizes of an
object or archive file), strings (for listing printable strings from
files), strip (for discarding symbols), and addr2line (for converting
addresses to file and line).