memdump

example use:

# ps // get pid 3149
# cat /proc/3149/maps // get b6946000-b6a12000 r-xp 00000000 08:06 652        /system/lib/libsqlite.so
# ./memdump -pid 3149 -saddr b6946000 -eaddr b6a12000

test OK on x86 android 4.2 (Genymotion Android Emulator)