Re: 2.4.19-rc1 broke OSF binaries on alpha

[Jeff Garzik <jgarzik@mandrakesoft.com>]

Kurt Garloff wrote:
> Hi Ivan, Alan, Marcelo,
> 
> On Sun, Jun 30, 2002 at 03:50:58AM +0400, Ivan Kokshaysky wrote:
> 
>>On Sat, Jun 29, 2002 at 03:28:50AM +0100, Alan Cox wrote:
>>
>>>Please back it back in. The bug is the Alpha port. Alpha needs its own OSF
>>>readv/writev entry point which masks the top bits.
>>
>>Ouch. The new entry point just because of this?!
>>Marcelo, if you're going to back in that patch, please apply
>>the following on the top of it.
> 
> 
> This patch indeed makes acroread & netscape work again on my alpha. Nice
> spotting.
> Don't we know about the type of binary? (Like personality ...)
> So we could use something like
>    ssize_t len
>  #ifdef __alpha__
>    if (current->personality == DEC_OSF_OLD)
>      len = (int) iov[i].iov_len;
>    else
>      len = (ssize_t) iov[i].iov_len;
>  #else
>    len = (ssize_t) iov[i].iov_len;
>  #endif
> 
> Not really beautiful, but working for all cases.


That's a good point.

FWIW we have Mozilla 1.0.x working just fine on Alpha, so I don't mind 
second-classing, or making optional, OSF/1 binary support.

It _should_ be possible to correctly support SuSv3 and OSF/1 binaries 
simultaneously.

	Jeff