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Re: MIPS gas/ld -xgot handling is broken for at least mips*-linux
- From: Eric Christopher <echristo at redhat dot com>
- To: Thiemo Seufer <ica2_ts at csv dot ica dot uni-stuttgart dot de>
- Cc: binutils at sources dot redhat dot com
- Date: Wed, 18 Aug 2004 10:25:01 -0700
- Subject: Re: MIPS gas/ld -xgot handling is broken for at least mips*-linux
- References: <20040818163437.GL23756@rembrandt.csv.ica.uni-stuttgart.de>
On Wed, 2004-08-18 at 09:34, Thiemo Seufer wrote:
> Hello All,
>
> since the introduction of multi-got in the mips gas/ld the -xgot
> option breaks in ld as soon as the GOT size grows over the
> (single-GOT) 64 kB limit. ld tries to handle it as multi-GOT
> instead of a large single GOT.
>
> I see two approaches to fix this:
> - Disallow the -xgot option for traditional mips. The appended patch
> does so. This will leave SGI-style configurations broken. On IRIX,
> this would imply using the native ld.
Unfortunately we can't do this since gcc is now requiring gas/ld :)
> - Let ld handle xgot compiled code as large single GOT again. For this,
> it needs either some xgot flag, or has to generally disable multi-GOT
> for SGI-style configurations. The elf header provides a EF_MIPS_XGOT
> flag, but this isn't set by gas yet.
This is probably the best bet. I'd be in favor of just disabling
multi-got for irix.
-eric
--
Eric Christopher <echristo@redhat.com>