Directives Reference
7-44 Copyright © 2000, 2001 ARM Limited. A ll rights reserved. ARM DUI 0068B
7.6 Reporting direct ives
This section describes the following directives:
•ASSERT
generates an error message if an assertion is false during assembly.
•INFO on page 7-45
generates diagnostic information during assembly.
•OPT on page7-46
sets listing options.
•TTL and SUBT on page7-48
insert titles and subtitles in listings.
7.6.1 ASSERT
The
ASSERT
directive generates an error message during the second pass of the assembly
if a given assertion is false.
Syntax
ASSERT logical-expression
where:
logical-expression
is an assertion that can evaluate to either
{TRUE}
or
{FALSE}
.
Usage
Use
ASSERT
to ensure that any necessary condition is met during assembly.
If the assertion is false an error message is generated and assembly fails.
See also INFO on page 7-45.
Example
ASSERT label1 <= label2 ; Tests if the address
; represented by label1
; is <= the address
; represented by label2.