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List:       gdb
Subject:    Re: Chicken-or-egg problem with shared libraries
From:       Daniel Jacobowitz <drow () false ! org>
Date:       2006-05-23 23:02:37
Message-ID: 20060523230237.GA9621 () nevyn ! them ! org
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On Tue, May 23, 2006 at 02:56:17PM -0700, PAUL GILLIAM wrote:
> bkpt_at_symbol:
>   warning (_("Unable to find dynamic linker breakpoint function.\n"
>            "GDB will be unable to debug shared library initializers\n"
>            "and track explicitly loaded dynamic code."));
> 
> I believe this is executed because although it finds
> "_dl_debug_state" (now that Alan made his change to BFD), on a ppc64
> system, that symbol is not in the a code section and so it is rejected:
> 
> >   sym_addr = bfd_lookup_symbol (tmp_bfd, *bkpt_namep, SEC_CODE);
>                                                        ^^^^^^^^^

I understood from Alan that GDB ought to actually deal with the
function descriptor here and go from that to the code address; or is
that wrong?

[I'm clueless for function descriptor platforms.]

-- 
Daniel Jacobowitz
CodeSourcery

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