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From: Jeffrey A Law <law@cygnus.com>
To: David Huggins-Daines <dhd@linuxcare.com>
Cc: Paul Bame <bame@noam.fc.hp.com>,
	Alan Modra <amodra@puffin.external.hp.com>,
	parisc-linux@thepuffingroup.com
Subject: Re: [parisc-linux] Non-bootable kernel problems
Date: Thu, 13 Jul 2000 13:20:35 -0600	[thread overview]
Message-ID: <2654.963516035@upchuck> (raw)
In-Reply-To: Your message of 13 Jul 2000 17:14:55 EDT. <87sntd20mo.fsf@linuxcare.com>


  In message <87sntd20mo.fsf@linuxcare.com>you write:
  > David Huggins-Daines <dhd@linuxcare.com> writes:
  > 
  > > It looks like binutils is incorrectly treating those fields as
  > > unsigned, or has an off by one error, or something similar.  The
  > 
  > No.  My mistake.  binutils is doing the right thing, the problem is
  > that, due to the way the LR' and RR' field selectors work, there is a
  > bad interaction between cases in which the DPREL21L and DPREL14R (or
  > any 21L and 14R relocations actually) are "split" like this, and ld
  > -r, which tends to increase the addends to a point where LR' and RR'
  > have different effects (LR' expects RR' to be positive, but it isn't).
  > Then during final relocation, the wrong thing happens.
How/why is ld -r changing the addends?  That seems wrong at first glance.

You might look at how the HP SOM tools handle addends during ld -r;
I suspect they don't change.

To the best of my knowledge GCC is using LR/RR in the prescribed way.

jeff

  reply	other threads:[~2000-07-14 16:49 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2000-07-12 23:35 [parisc-linux] Non-bootable kernel problems Richard Hirst
2000-07-13 17:14 ` Paul Bame
2000-07-13 18:46   ` David Huggins-Daines
2000-07-13 21:14     ` David Huggins-Daines
2000-07-13 19:20       ` Jeffrey A Law [this message]
2000-07-14 16:10         ` David Huggins-Daines
2000-07-14 16:39           ` Jeffrey A Law
2000-07-14 18:53             ` David Huggins-Daines
2000-07-14 20:40               ` David Huggins-Daines
2000-07-14 22:14                 ` GAS fix for reloc problems (was Re: [parisc-linux] Non-bootable kernel problems) David Huggins-Daines
2000-07-15  8:33                   ` Alan Modra
2000-07-15  1:31               ` [parisc-linux] Non-bootable kernel problems Alan Modra
2000-07-13 23:45       ` David Huggins-Daines
2000-07-14  0:44         ` Alan Modra
2000-07-14 16:02           ` Jeffrey A Law
2000-07-14 16:02             ` David Huggins-Daines
2000-07-14 16:37               ` Jeffrey A Law

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