From: Daniel Jacobowitz <dan@debian.org>
To: Florian Lohoff <flo@rfc822.org>
Cc: linux-mips@oss.sgi.com
Subject: Re: gdb disassemble bug
Date: Fri, 8 Feb 2002 17:10:51 -0500 [thread overview]
Message-ID: <20020208171051.A1829@nevyn.them.org> (raw)
In-Reply-To: <20020208215851.GA18416@paradigm.rfc822.org>
On Fri, Feb 08, 2002 at 10:58:51PM +0100, Florian Lohoff wrote:
>
> Hi,
> while debugging arcboot and some interesting crashes related to caching
> etc i found a disassemble bug in gdb
>
> 0x88166b58 <probe_scache+188>: mtc0 zero,gp
> 0x88166b5c <probe_scache+192>: nop
> 0x88166b60 <probe_scache+196>: mtc0 zero,sp
> 0x88166b64 <probe_scache+200>: nop
>
> mtc0/mfc0 do not address cpu registers but CP0 registers. The decoding
> as "gp" or "sp" is not correct. These are "TagLo" and "TagHi".
- what version of GDB?
- does objdump do the same thing?
--
Daniel Jacobowitz Carnegie Mellon University
MontaVista Software Debian GNU/Linux Developer
next prev parent reply other threads:[~2002-02-08 22:11 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-02-08 21:58 gdb disassemble bug Florian Lohoff
2002-02-08 22:10 ` Daniel Jacobowitz [this message]
2002-02-08 22:18 ` Florian Lohoff
2002-02-08 22:31 ` Daniel Jacobowitz
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