From: Bill Marcotte <bill@pentek.com>
To: jlarmour@redhat.co.uk, bill@pentek.com
Cc: ecos-discuss@sourceware.cygnus.com
Subject: Re: [ECOS] Mismatch between 'C' and 'C++' structures
Date: Thu, 22 Jun 2000 12:34:00 -0000 [thread overview]
Message-ID: <9786.961702487.0@NO-ID-FOUND.mhonarc.org> (raw)
> > I am currently working on an i960 port of ECOS. When I build ECOS
> with
> > Asserts enabled, I get the following message when I run the code:
> >
> > Size of C struct (cyg_mempool_var) !=
> > Size of C++ struct (Cyg_Mempool_Variable)
> >
> > sizeof(cyg_mempool_var) = 0x30
> > sizeof(Cyg_Mempool_Variable) = 0x40
> >
> > Does anyone know how to resolve this?
>
> Well the obvious question is whether you modified any of the generic
> kernel
> code in this area.
>
> Failing that, it would appear that the i960 g++ must pad C++ classes in
> some way different to i960 gcc pads structs. Perhaps there is some
> compiler
> switch that can be used to prevent this.
>
> And just to check, you are compiling the kernel with -fno-rtti aren't
> you?
>
I was able to resolve this problem by compiling with the mic-compat switch.
next reply other threads:[~2000-06-22 12:34 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-06-22 12:34 Bill Marcotte [this message]
[not found] <200006202028.NAA03734@cygnus.com>
2000-06-20 14:04 ` Jonathan Larmour
-- strict thread matches above, loose matches on Subject: below --
2000-06-20 13:27 Bill Marcotte
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