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Message-ID: <6097c4905062408414be88eb5@mail.gmail.com>
Date:	Fri, 24 Jun 2005 19:41:48 +0400
From:	Maxim Osipov <maxim.osipov@gmail.com>
Reply-To: maxim@mox.ru
To:	linux-mips@linux-mips.org
Subject: Fwd: mips64 gdb problem
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Hello,

I wonder, is there some way to get debuger working on N64 target?

Thanks,
Maxim

---------- Forwarded message ----------
From: Daniel Jacobowitz <drow@false.org>
Date: Jun 24, 2005 6:10 PM
Subject: Re: mips64 gdb problem
To: maxim@mox.ru
Cc: gdb@sources.redhat.com


On Fri, Jun 24, 2005 at 05:42:25PM +0400, Maxim Osipov wrote:
> Hello,
>
> I have a problem trying to debug 64-bit mips binary with gdb-6.3. It
> fails with the following message:
>
> /home # gdb 64test
> GNU gdb 6.3
> Copyright 2004 Free Software Foundation, Inc.
> GDB is free software, covered by the GNU General Public License, and you are
> welcome to change it and/or distribute copies of it under certain conditions.
> Type "show copying" to see the conditions.
> There is absolutely no warranty for GDB.  Type "show warranty" for details.
> This GDB was configured as "mips64-linux-gnu"...
> ../../gdb-6.3/gdb/dwarf2-frame.c:1411: internal-error:
> decode_frame_entry_1: Assertion `fde->cie != NULL' failed.
> A problem internal to GDB has been detected,
> further debugging may prove unreliable.
> Quit this debugging session? (y or n)

GCC generates a wacky 64-bit format, otherwise only used on IRIX.  I
think this is a bug in GCC.  GDB could be adapted to generally sort of
cope with it, but not completely - there's some ambiguity.

--
Daniel Jacobowitz
CodeSourcery, LLC