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From: stone@mckinley.cs.unc.edu (Donald Stone)
Newsgroups: comp.unix.ultrix
Subject: "as" question
Message-ID: <STONE.91Jun18090312@mckinley.cs.unc.edu>
Date: 18 Jun 91 13:03:12 GMT
Sender: news@cs.unc.edu
Distribution: comp
Organization: /theta/theta6/unc/stone/.organization
Lines: 28


I'm new to the ultrix community and I can't find an assembler manual.

The following program (test.s)

	.data
	one: 	.word 0
	     	.word 1
	two: 	.word three-one
	     	.word 3
	three:  .word 4

when run through "as"

	as -o test.o test.s

generates the following error message

	as0: Error: test.s, line 5: Symbol must have absolute value: one
	     two:  .word three-one

What's going on here?  Most assemblers support subtracting two labels to get
the relative length between them.  Is there any way to get this value?  Or am
I missing something?

Thanks much, 
Don Stone (stone@cs.unc.edu)