Feature: Provide functions to map other application memory

[fuqiuluo]

A function is provided to map the memory of the target application to the Hakutaku process. Because the process _ VM _ preadv will switch from the user mode to the kernel mode, a lot of time will be spent on scheduling in the long run. A function is provided to map a certain data that needs to be read continuously in, which can avoid scheduling and improve performance.

Code Contributor: TBD