Arm VERSION 1.2 Uživatelský manuál stáhnout pdf (Strana 302)

100

101

Directives Reference

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.

1 2 ... 297 298 299 300 301 302 303 304 305 306 307 ... 359 360

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