From: Daniel Jacobowitz <drow@mvista.com>
To: Paul Koning <pkoning@equallogic.com>
Cc: gp@qnx.com, gdb@sources.redhat.com
Subject: Re: set env affects host?
Date: Wed, 13 Nov 2002 14:57:00 -0000 [thread overview]
Message-ID: <20021113225905.GA11998@nevyn.them.org> (raw)
In-Reply-To: <15826.54940.676306.297836@pkoning.dev.equallogic.com>
On Wed, Nov 13, 2002 at 05:47:56PM -0500, Paul Koning wrote:
> >>>>> "Graeme" == Graeme Peterson <gp@qnx.com> writes:
>
> Graeme> Well, I think I have answered my own question by checking in
> Graeme> the source. I found a comment in solib.c for solib_open that
> Graeme> says that solib symbols are found in the inferior's
> Graeme> LD_LIBRARY_PATH, and never in the host's. So I guess that is
> Graeme> that. :-)
>
> Graeme> Search order: * If path is absolute, look in
> Graeme> SOLIB_ABSOLUTE_PREFIX. * If path is absolute or relative,
> Graeme> look for it literally (unmodified). * Look in
> Graeme> SOLIB_SEARCH_PATH. * Look in inferior's $PATH. * Look in
> Graeme> inferior's $LD_LIBRARY_PATH.
>
> Graeme> Anyone care to comment on the rationale behind the behavior?
> Graeme> Clearly it seemed reasonable to me to find the solibs for
> Graeme> symbols in the host's LD_LIBRARY_PATH, but that is wrong.
>
> Looking in the host LD_LIBRARY_PATH, or for that matter using absolute
> names literally, is likely to be wrong for cross-debugging.
> Fortunately the literal lookup is not the first thing tried, but as
> far as I'm concerned it might as well go away entirely if host !=
> target.
I think that was the consensus the last time this came up: cross
debuggers should only do some of those. Check the large discussion
resulting from gdb/633.
Either local/remote or native/cross should control this; someone just
needs to decide the exact behavior and implement it :)
--
Daniel Jacobowitz
MontaVista Software Debian GNU/Linux Developer
next prev parent reply other threads:[~2002-11-13 22:57 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-11-13 13:02 Graeme Peterson
2002-11-13 14:44 ` Graeme Peterson
2002-11-13 14:47 ` Paul Koning
2002-11-13 14:57 ` Daniel Jacobowitz [this message]
2002-11-13 18:56 ` gp
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