<rdar://problem/29099600> dyld should tell the kernel when it is doing root fix-ups

build targets table

Look up sycalls in host dyld needed by coresymbolication_ routines in dyld_sim

returns false if entry point not found

used in macOS host dyld to support old dyld_sim that need access to host dyld_all_image_info also used for dyld_process_info_create to get dyld_all_im

For duplicate class names: duplicated classes are duplicateOffsets[duplicateIndex..duplicateIndex+duplicateCount-1]

for use with already mmap()ed file

return the ceiling of the log (base 2) of val */

mmap() an shared cache file read/only but laid out like it would be at runtime

Returns true if the given Region should be saved as a Mapping in the shared cache

Added in version 6