Re: pa-risc/linux abi
Interesting ;) curious to test too.
> -- Original Message --
> Date: Tue, 22 Jun 2004 22:56:21 -0600
> From: Grant Grundler <firstname.lastname@example.org>
> To: Camm Maguire <email@example.com>
> Cc: R Clint Whaley <firstname.lastname@example.org>,
> Randolph Chung <email@example.com>,
> Grant Grundler <firstname.lastname@example.org>,
> Matthew Wilcox <email@example.com>, LaMont Jones <firstname.lastname@example.org>,
> Grant Grundler <email@example.com>, firstname.lastname@example.org
> Subject: Re: pa-risc/linux abi
> On Tue, Jun 22, 2004 at 11:33:03AM -0400, Camm Maguire wrote:
> > > Damn you. For reasons known only to my personal demons, I have developed
> > :-) You truly are a wonderful creation, you know!
> > > a pa-risc assembler kernel to make up for gcc's crappy single precision
> > > performance, so I can have defaults that work without HP's compiler.
> > > Can you confirm that Linux uses HP's 32 bit ABI (i.e., which registers
> > > are used in argument passing, and how the stack frame works)? My
> > Debian hppa is 32 bit -- will forward the rest of this to the experts.
> Debian HPPA is 32-bit ELF.
> HPUX is 32-bit SOM. Different binary format.
> I'm pretty sure the calling convention is the same for both.
> (But I'm not the expert, tausq is traveling, hopefully jda/willy can reply)
> > > assembly kernel works under HP-UX, and I'm wondering if it will under
> > > linux. The document I used to write it I found on the linux site,
> > > it's an HP doc:
> > > http://ftp.parisc-linux.org/docs/arch/rad_11_0_32.pdf
> > I can try it out if it will work with 2.6.0. I tried a build with
> > just the prefetch and -mpa-risc-2-0, and it failed. If I can't figure
> > it out I may give you a shout.
> Anyone who has deamons that drive him to writing assembly for
> "dead" architectures deserves access to said architectures at least.
> If Debian or some other kind soul can't provide it, please contact
> me offline and I can arrange remote access to a crash and bash system.
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