CODE

    Prevents the linker from replacing the Jump to Subroutine (JSR)
    instruction sequence with the more efficient Branch to Subroutine
    (BSR) instruction sequence when the target of the branch crosses
    an image section boundary.

 DATA

    Directs the linker to check for address calculations that create
    dependencies on the layout of data image sections. The linker
    reports such occurrences.

    When the /SECTION_BINDING qualifier is specified without either
    the CODE or DATA keyword, the linker performs both types of
    checking by default.