From: Alan Modra <amodra@bigpond.net.au>
To: Vivek Goyal <vgoyal@in.ibm.com>,
gdb@sourceware.org, Dave Anderson <anderson@redhat.com>,
binutils@sourceware.org
Subject: Re: "gdb vmlinux" gives wrong symbol addresses
Date: Mon, 21 Aug 2006 03:24:00 -0000 [thread overview]
Message-ID: <20060821032419.GB20875@bubble.grove.modra.org> (raw)
In-Reply-To: <20060821015430.GA4615@nevyn.them.org>
On Sun, Aug 20, 2006 at 09:54:30PM -0400, Daniel Jacobowitz wrote:
> On Mon, Aug 21, 2006 at 11:08:29AM +0930, Alan Modra wrote:
> > I think that for ET_EXEC and ET_DYN gdb should ignore relocs that use
> > the normal symbol table. Sane ELF targets will have dynamic reloc
> > section(s) with sh_link pointing at a symtab section with sh_type of
> > SHT_DYNSYM. --emit-relocs creates reloc sections with sh_link pointing
> > at a symtab section with sh_type of SHT_SYMTAB.
>
> This amounts to always ignoring relocations; GDB only uses relocations
> for debug sections, which will never point at SHT_DYNSYM (I don't
> think?).
When we emitted relocs for debug sections on some targets (eg. ppc32
prior to 2005-04-19), they were against SHT_DYNSYM symbols.
--
Alan Modra
IBM OzLabs - Linux Technology Centre
next prev parent reply other threads:[~2006-08-21 3:24 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-08-18 18:38 Vivek Goyal
2006-08-18 18:48 ` Daniel Jacobowitz
2006-08-18 19:15 ` Vivek Goyal
2006-08-21 1:38 ` Alan Modra
2006-08-21 1:54 ` Daniel Jacobowitz
2006-08-21 3:24 ` Alan Modra [this message]
2006-08-23 17:33 ` Jan Kratochvil
2006-08-23 18:31 ` Mark Kettenis
2006-08-23 18:36 ` Daniel Jacobowitz
2006-08-21 15:15 ` Vivek Goyal
2006-08-21 15:25 ` Daniel Jacobowitz
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