ARM VERSION 1.2 - Manual (Page 302)

Directives Reference
7-20 Copyright © 2000, 2001 ARM Limited. All rights reserved. ARM DUI 0068B
7.3.7 DCDO
The DCDO directive allocates one or more words of memory, aligned on 4-byte
boundaries, and defines the initial runtime contents of the memory as an offset from the
static base register, sb (r9).
Syntax
{label} DCDO expr{,expr}...
where:
expr is a register-relative expression or label. The base register must be sb.
Usage
Use DCDO to allocate space in memory for static base register relative relocatable
addresses.
Example
IMPORT externsym
DCDO externsym ; 32-bit word relocated by offset of
; externsym from base of SB section.