RE: [sdcc-devel] [ sdcc-Bugs-453919 ] --xstack and C-support functions

[Sandeep D. <sa...@dd...>]

Hi Johan,

I would recommend against disabling it, at some point, I want to
make this work, this is especially useful for RTOS implementation.

Regards
Sandeep

> -----Original Message-----
> From: sdc...@li...
> [mailto:sdc...@li...]On Behalf Of Johan Knol
> Sent: Wednesday, August 22, 2001 4:57 AM
> To: sdc...@li...
> Subject: Re: [sdcc-devel] [ sdcc-Bugs-453919 ] --xstack and C-support
> functions
>
>
> I wonder if --xstack isn't obsolete. E.g. P2 and _spx are initialized
> with --xdata-loc instead of --xstack-loc. Yes, the xstack
> area is located at
> the beginning of XSEG. But any further usage of XSEG would
> ruin P2 and thus
> corrupt the external stack access.
>
> I couldn't make any of my test cases work with --xstack, so
> shouldn't we
> disable it?
>
> Johan
>
> ----- Original Message -----
> From: <no...@so...>
> To: <no...@so...>
> Sent: Tuesday, August 21, 2001 10:02 PM
> Subject: [sdcc-devel] [ sdcc-Bugs-453919 ] --xstack and
> C-support functions
>
>
> > Bugs item #453919, was opened at 2001-08-21 13:02
> > You can respond by visiting:
> >
> http://sourceforge.net/tracker/?func=detail&atid=100599&aid=45
3919&group_id=
599
>
> Category: msc51(8051) target
> Group: None
> Status: Open
> Resolution: None
> Priority: 5
> Submitted By: Bernhard Held (bernhardheld)
> Assigned to: Nobody/Anonymous (nobody)
> Summary: --xstack and C-support functions
>
> Initial Comment:
> compile with --xstack:
>
> extern f2 (int c, int d);
>
> f (int a)
> {
>   f2 (3, a); // OK : parameter on xstack
>   return 3 * a; // BUG: parameter in DSEG
> }
>
> The 2nd parameter of _mulsint is written to DSEG
> instead of xstack. (I don't need --xstack at all, but
> I want to show, that there's a problem.)
>
>
> ----------------------------------------------------------------------
>
> You can respond by visiting:
>
http://sourceforge.net/tracker/?func=detail&atid=100599&aid=453919&group_id=
599
>
> _______________________________________________
> sdcc-devel mailing list
> sdc...@li...
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>


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