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Re: [patch] Sanity check PIE displacement (like the PIC one)

From: Tom Tromey <tromey at redhat dot com>
To: Jan Kratochvil <jan dot kratochvil at redhat dot com>
Cc: gdb-patches at sourceware dot org
Date: Thu, 11 Feb 2010 14:47:12 -0700
Subject: Re: [patch] Sanity check PIE displacement (like the PIC one)
References: <20100201012004.GA6015@host0.dyn.jankratochvil.net> <m31vgrsgmz.fsf@fleche.redhat.com> <20100211200506.GA24110@caradoc.them.org>
Reply-to: Tom Tromey <tromey at redhat dot com>

>>>>> "Daniel" == Daniel Jacobowitz <dan@codesourcery.com> writes:

Jan> warning: .dynamic section for "/lib64/librt-2.11.1.so" is not at the expected address
Jan> warning: difference appears to be caused by prelink, adjusting expectations

Tom> I don't find that PIC message particularly useful, either.
Tom> Is there some situation where that information is helpful?
Tom> If not, then IMO we should remove it.

Daniel> Under what circumstances would you remove it?  I'd favor
Daniel> removing the former warning when the second one would be
Daniel> printed, but not otherwise.

Ok.

Daniel> The first message is a real life-saver.  It triggers when you
Daniel> have the wrong C library when loading a core file or using a
Daniel> sysroot.

Thanks, I had not considered this scenario.

Tom

References:
- [patch] Sanity check PIE displacement (like the PIC one)
  - From: Jan Kratochvil
- Re: [patch] Sanity check PIE displacement (like the PIC one)
  - From: Tom Tromey
- Re: [patch] Sanity check PIE displacement (like the PIC one)
  - From: Daniel Jacobowitz

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