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Re: simple assembler program

To: linux-mips@linux-mips.org
Subject: Re: simple assembler program
From: Jan-Benedict Glaw <jbglaw@lug-owl.de>
Date: Wed, 21 Jul 2004 08:56:44 +0200
In-reply-to: <002701c46ee1$feeb7fc0$cc20bdd3@roman>
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References: <002701c46ee1$feeb7fc0$cc20bdd3@roman>
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On Wed, 2004-07-21 14:17:14 +0900, Roman Mashak <mrv@tusur.ru>
wrote in message <002701c46ee1$feeb7fc0$cc20bdd3@roman>:

> #define a 1
> #define b 2
> 
> .ent main
> .global main
> main:
>         li $3, a
>         li $2, b
>         addu $4, $2, $3
> .end main
> 
> I use SDE-lite kit version 5.03.06 and compile with sde-as:
> #sde-as test.S -o testtest.S: Assembler messages:
> test.S:9: Error: absolute expression required `li'
> test.S:10: Error: absolute expression required `li'
> 
> When I eliminate #define and use just 'li $3, 1' and so on - everything is
> compiled correctly. Where is my problem?

Assembler sources aren't commonly fed through a preprocessor, so your
assembler just ignores the comments (your defines) and uses "a" and "b"
as-is.

MfG, JBG

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