Ok here's the output
I copied the file over to /mnt/us
and ran the command from my linux machine
Code:
/media/Kindle$ file ./libpthread.so
./libpthread.so: ELF 32-bit LSB shared object, ARM, version 1 (SYSV), dynamically linked (uses shared libs), BuildID[sha1]=0x245a6c47c401422afb251b0bb4d29e9e309404dc, for GNU/Linux 2.6.16, not stripped