Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP
Path: utzoo!utgpu!water!watmath!clyde!rutgers!seismo!uunet!swlabs!jack
From: jack@swlabs.UUCP
Newsgroups: comp.lang.c
Subject: Re: Types
Message-ID: <320@swlabs.UUCP>
Date: Tue, 1-Sep-87 08:52:27 EDT
Article-I.D.: swlabs.320
Posted: Tue Sep  1 08:52:27 1987
Date-Received: Thu, 3-Sep-87 01:43:43 EDT
References: <7264@brl-adm.ARPA> <734@sdchema.sdchem.UUCP> <293@osupyr.UUCP> <364@mcdsun.UUCP>
Organization: Software Labs, Ltd. Easton CT USA
Lines: 21

In article <364@mcdsun.UUCP>, fnf@mcdsun.UUCP (Fred Fish) writes:
> In article <296@swlabs.UUCP> jack@swlabs.UUCP I wrote: 
> >		  Then let the assembler choose the long or short form of
> >the jump depending on the worst case distance from the target.
> 
> This only works for jumps to local symbols within the same assembly module,
> and GREATLY complicates the work of a linker which optimizes both local
> and global references (since it must now cope with relocation done by
> the assembler when it inserts or deletes code between the definition and
> reference of a local symbol).  


The algorithm presented requires no such optimization by the linker.  The
assembler described yields object code with the correct long/short jumps and
no additional relocation/fixup information.  

There is nothing for the linker to fixup.

-- 
Jack Bonn, <> Software Labs, Ltd, Box 451, Easton CT  06612
seismo!uunet!swlabs!jack