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12.17 DCDO

The DCDO directive allocates one or more words of memory, aligned on four-byte boundaries, and defines the initial runtime contents of the memory as an offset from the static base register, sb (R9).


{label} DCDO expr{,expr}...
is a register-relative expression or label. The base register must be sb.


Use DCDO to allocate space in memory for static base register relative relocatable addresses.


        IMPORT  externsym
        DCDO    externsym   ; 32-bit word relocated by offset of
                            ; externsym from base of SB section.
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