This option makes the load and execution region containing the RO output section position-independent. If this option is not used, the region is marked as absolute. Usually each read-only input section must be Read-Only Position-Independent (ROPI). If this option is selected, the linker:
checks that relocations between sections are valid
ensures that any code generated by the linker itself, such as interworking veneers, is ROPI.
The linker gives a downgradable error if