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RE: cygwin issues
- To: "Boehm, Hans" <hans_boehm at hp dot com>, <tromey at redhat dot com>, "Bryce McKinlay" <bryce at waitaki dot otago dot ac dot nz>
- Subject: RE: cygwin issues
- From: "Anthony Green" <green at redhat dot com>
- Date: Thu, 31 May 2001 19:45:07 -0700
- Cc: <alk at pobox dot com>, <java at gcc dot gnu dot org>
- Reply-To: <green at redhat dot com>
Hans wrote:
> Unless its needed for some embedded platforms, we might consider
> getting rid
> of that in the trunk, or for some later version.
AFAIK, it isn't required for any embedded platforms. It was added, I
believe, for PPC and Alpha Linux.
> Recent versions
> of the GC
> under Linux should
>
> 1) Look for __data_start, and if that fails
> 2) Look for data_start, and if that fails
> 3) Look for _end, and walk backwards until they encounter an unwritable
> address
>
> I claim at least the 3rd step should work everywhere, though it's
> suboptimal
> in several respects.
IIRC, the change was also motivated somewhat by issues related to data in
shared libraries on either Alpha or PPC Linux. Do you believe this is a
non-issue now?
AG