Re: SF Bay area hackfest

From: Julian Elischer <julian_at_elischer.org>
Date: Wed, 24 Mar 2004 11:47:38 -0800 (PST)
On Wed, 24 Mar 2004, Scott Long wrote:

> Daniel Eischen wrote:
> > On Wed, 24 Mar 2004, Scott Long wrote:
> > 
> > 
> >>On Wed, 24 Mar 2004, Daniel Eischen wrote:
> >>
> >>>>What happens when the compiler, toolchain, etc, etc, are all updated to
> >>>>make TLS work, but the user libmaps C_R in?  Does stuff blow up?  I'm ok
> >>>>with C_R not explicitely supporting it so long as it doesn't create new
> >>>>failure cases.
> >>>
> >>>I guess stuff blows up, probably very similar to what already
> >>>happens when someone tries to use nvidia drivers/openGL with
> >>>libpthread or libthr.  But as far as I know, nothing we have
> >>>is currently built to use it (it probably can't be because
> >>>our released toolchain first needs to support it).
> >>>
> >>
> >>This isn't terribly desirable since C_R is going to be the fallback thread
> >>package for 5.x.  Is there any way for C_R to detect when it's in a
> >>position to blow up and/or give an intelligent message to the user?
> > 
> > 
> > It's probably easier just to add TLS support to libc_r if it's
> > highly desirable.
> > 
> 
> Note that it's highly desirable, but not the highest priority.
> 
> So our table is now:
> 
> 
>   Task                                 Owner
> 
>   Import new GCC                       Alexander Kabaev
>   Import new binutils                  ???
>   Modify loader (image activator?)
>    to understand TLS                   ???
>   Modify KSE to understand TLS         Dan Eischen/David Xu
>   Modify dynamic linker for TLS        Doug Rabson
>   Modify THR to understand TLS         ???
>   Modify C_R to understand TLS         ???
  dogsbody and 2nd set of eyes..	julian(will be working with everyone I
think)



> 
> It looks like we are gaining critical mass on this.  C_R and THR are
> less important, and I'd even be willing to take a look at them myself.
> David, can you help with the binutils?  It sounds like there might be
> some issues with libbfd if binutils is upgraded but gdb is not.  Can we
> discuss the options here?
> 
> Thanks,
> 
> Scott
> 
Received on Wed Mar 24 2004 - 10:44:23 UTC

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