PATCH: Re: ia64 ltoff22x/ldxmov relaxation

["H. J. Lu" <hjl at lucon dot org>]

On Mon, Apr 28, 2003 at 03:14:16PM +0200, Andreas Schwab wrote:
> "H. J. Lu" <hjl at lucon dot org> writes:
> 
> |> On Thu, Apr 24, 2003 at 06:09:56PM +0200, Andreas Schwab wrote:
> |> > Richard Henderson <rth at redhat dot com> writes:
> |> > 
> |> > |> Also misses properly choosing a new gp when jump buffers are added.
> |> > |> Technically this is a potential correctness issue.  Failures will
> |> > |> be caught by relocate_section in the form of GPREL22 overflows.
> |> > |> However this should should work well in practice because of the default
> |> > |> 2**61 byte separation of the text and data segments in executables.
> |> > |> In order for this to be fixed, I need a callback from the main ld
> |> > |> relaxation loop at the start of a new round of relaxation.
> |> > 
> |> > Unfortunately, this bites with large shared libraries where this text/data
> |> > separation does not exist.  For example, we get GPREL22 overflows when
> |> > linking libjava from gcc mainline.  I can prepare a test case if you need.
> |> > 
> |> 
> |> Yes, plase. I am interested in a testcase for that.
> 
> You can download it from
> <ftp://ftp.suse.com/pub/people/schwab/libjava-test.tar.bz2>.
> Unfortunately it is quite big, but I couldn't reduce it without the bug
> going away.  Unpack the archive and run link-java, you will get these
> errors:
> 

This patch seems to work for me.


H.J.

Attachment: binutils-final-relax.patch
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