This is the base64-encoded hsdis-amd64.so
JVM disassembler binary: https://gist.github.com/lorban/f15d11884f9bccc5625da4b3ba823233
The original file can be recreated with:
cat hsdis-amd64.so.base64 | base64 -d > hsdis-amd64.so
To install it, save it somewhere safe then make a symlink into $JAVA_HOME/lib/server
:
pushd $JAVA_HOME/lib/server
ln -s /the/path/to/hsdis-amd64.so