6 reporting directives, 1 assert, Reporting directives -44 – ARM VERSION 1.2 User Manual
Page 326
Directives Reference
7-44
Copyright © 2000, 2001 ARM Limited. All rights reserved.
ARM DUI 0068B
7.6
Reporting directives
This section describes the following directives:
•
generates an error message if an assertion is false during assembly.
•
generates diagnostic information during assembly.
•
sets listing options.
•
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.