This is to ensure that the loader correctly zeroes-out zerofill sections when mapping them. For context, Apple's loader dyld will map the regions where any zerofill would theoretically reside as belonging to zerofill section.
This is to ensure that the loader correctly zeroes-out zerofill sections when mapping them. For context, Apple's loader dyld will map the regions where any zerofill would theoretically reside as belonging to zerofill section.