Assembler Reference

DCDO

ARM Compiler toolchain v5.02 for µVision Assembler Reference

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).

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.

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DCDO

DCDO

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