Dwarf.FrameSourceaddress entry return the address range of the entry
cfa entry return the canonical frame address of the entry
load img extract and interpret the content of either .debug_frame or .eh_frame section
fold f frame iterate through the frame matrix columns is the list of valid column indexes of the given entry return_address is the column index of the return address of the function
iter frame same as fold but without return
include Binsec_base.Sigs.PRINTABLE with type t := t