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Re: O2 KGDB problem

To: Ricardo Mendoza <ricmm@kanux.com>
Subject: Re: O2 KGDB problem
From: Daniel Jacobowitz <dan@debian.org>
Date: Wed, 10 Oct 2007 08:55:53 -0400
Cc: linux-mips@linux-mips.org
In-reply-to: <470C8F8E.3010301@kanux.com>
Original-recipient: rfc822;linux-mips@linux-mips.org
References: <470C8F8E.3010301@kanux.com>
Sender: linux-mips-bounce@linux-mips.org
User-agent: Mutt/1.5.15 (2007-04-09)
On Wed, Oct 10, 2007 at 04:38:38AM -0400, Ricardo Mendoza wrote:
> Been messing around with the O2 and KGDB and well, theres a problem that
> I don't quite know how to tackle, when building a 64-bit kernel with
> mips64 target toolchain and with CONFIG_BUILD_ELF64 and then trying to
> start remote gdb with that image I get a Segfault from gdb. What do you
> think is the cause of this?
> 
> I guess its just file format mixup confusing gdb? any pointer from a gdb
> guru
> towards making this work?

I believe a CVS snapshot of GDB will "work" but refuse to show you
line numbers, and if you use a CVS snapshot of gas too then things
will work OK.  gas was doing something horribly wrong to the
.debug_line sections it generated.

-- 
Daniel Jacobowitz
CodeSourcery

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