These files all come from the GNU Binutils package.

The source code is available here:
https://www.gnu.org/software/binutils/

We have made no alterations to the software, except
for changing the build-system slightly to allow the
creating of a disassembler with a horrifically large
number of supported architectures.

The binaries are to the best of our knowledge redistributable
under GPL, which is available here:

https://www.gnu.org/licenses/gpl.html
