Path: utzoo!attcan!uunet!cbmvax!thomas
From: thomas@cbmvax.UUCP (Dave Thomas QA)
Newsgroups: comp.sys.amiga.tech
Subject: Re: ExecBase
Message-ID: <6978@cbmvax.UUCP>
Date: 25 May 89 12:53:05 GMT
References: <31472@sri-unix.SRI.COM> <45382@csvax1.cs.tcd.ie>
Reply-To: thomas@cbmvax.UUCP (Dave Thomas QA)
Organization: Commodore Technology, West Chester, PA
Lines: 37

In article <10702@cit-vax.Caltech.Edu> bdiscoe@tybalt.caltech.edu.UUCP
(Ben W. Discoe) writes:
> 
>    I'm trying to find Execbase.  I seem to remember reading somewhere that 
> it's always at 0000004 in memory, but it doesn't seem to be there, and
> I can't find my reference any more.  Could anyone tell me where it is or
> how to find it?

In article <31472@sri-unix.SRI.COM>, I wrote:
> The pointer to ExecBase is in address 4. In other words:
>    struct ExecBase *ExecBase = (struct ExecBase *) 4;  

In article <45382@csvax1.cs.tcd.ie> ecarroll@csvax1.cs.tcd.ie (Eddy Carroll)
writes:
> Shouldn't this be:
> 
> 	#include <exec/execbase.h>
> 	struct ExecBase *SysBase;
> 	   ...
> 	main()
> 	{
> 	       ...
> 	    SysBase = *(struct ExecBase **) 4;
> 	       ...
> 	}
> 
> i.e. set SysBase to the contents of the location which contains the
> pointer to ExecBase?
> 

Eddy is correct.  I must stop posting when I come in to work in the morning.
I don't wake up until lunch :-).  Sorry if I misled anyone...

Dave
-- 
Dave Thomas, Commodore Amiga Test Engineering
UUCP  ...{allegra,rutgers}!cbmvax!thomas