Auto detect whether file is XIP file before loading module in posix like and linux-sgx platforms, and if yes, mmap executable memory automatically to run the XIP file. Add document about XIP feature. Enable test spec cases with XIP feature.
Auto detect whether file is XIP file before loading module in posix like and linux-sgx platforms, and if yes, mmap executable memory automatically to run the XIP file. Add document about XIP feature. Enable test spec cases with XIP feature.