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From: mitch@stride1.UUCP
Newsgroups: comp.emacs
Subject: Re: GnuEmacs on Data General ?
Message-ID: <671@stride.Stride.COM>
Date: Wed, 20-May-87 19:29:56 EDT
Article-I.D.: stride.671
Posted: Wed May 20 19:29:56 1987
Date-Received: Sat, 23-May-87 01:50:06 EDT
References: <8705180121.AA08181@icst-cmr.arpa.ARPA>
Sender: news@stride.Stride.COM
Reply-To: mitch@stride1.UUCP (Thomas P. Mitchell)
Distribution: world
Organization: MicroSage Comp. Sys. Inc., 680 S. Rock Blvd, Reno, NV 89502
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In article <8705180121.AA08181@icst-cmr.arpa.ARPA> rbj@ICST-CMR.ARPA (Root Boy Jim) writes:
>? Two final things, that are important.  DG stacks grow the oppisite direction
>? as most other UNIX machines, so there may be all sorts of assumptions about
>? stack growth (though I suspect if it runs on a pyramid, there may not be).

Jim,
These lines (greped) from Gnu Emacs sources should clear your doubt stack.

TAGS:find_stack_direction
alloca.c:#ifndef STACK_DIRECTION
alloca.c:-- must know STACK_DIRECTION at compile-time
alloca.c:	Define STACK_DIRECTION if you know the direction of stack
alloca.c:	STACK_DIRECTION > 0 => grows toward higher addresses
alloca.c:	STACK_DIRECTION < 0 => grows toward lower addresses
alloca.c:	STACK_DIRECTION = 0 => direction of growth unknown
alloca.c:    find_stack_direction ();
m-att3b.h:#define STACK_DIRECTION 1
m-gould.h:#define STACK_DIRECTION -1  /* grows towards lower addresses on Gould UTX/32 */
m-wicat.h:#define	STACK_DIRECTION	-1  /* grows towards lower addresses on WICAT */

Thomas P. Mitchell (mitch@stride1.Stride.COM)
Phone:	(702) 322-6868 TWX:	910-395-6073
MicroSage Computer Systems Inc. a Division of Stride Micro.
Opinions expressed are probably mine.