From: Ralf Baechle <ralf@linux-mips.org>
To: renwei <renwei@huawei.com>
Cc: linux-mips@linux-mips.org
Subject: Re: gdb/insight 5.3 buggy in kernel module debug
Date: Wed, 9 Jul 2003 14:36:57 +0200 [thread overview]
Message-ID: <20030709123657.GA30305@linux-mips.org> (raw)
In-Reply-To: <003501c34526$f5adfcc0$6efc0b0a@huawei.com>
On Tue, Jul 08, 2003 at 04:00:08PM +0800, renwei wrote:
> new thead xxxxxx
> 0xffffffff83f28040 in ??()
> something like that.
> and the backtrace command can't work, also.
> but my gdb5.0 for mipsel is ok.
>
>
> I think that's the gdb get the pc as 64bit, but my
> board's cpu is 32bit, so it can't get the correct pc ...
> The kernel addr is up to 0x80000000, so it's negative.
On 64-bit processors running 32-bit code the actual values in the
registers are sign-extended to 64-bit, so that behaviour of your gdb
seems right. Fix whatever places do return a zero-extended values.
Ralf
next prev parent reply other threads:[~2003-07-09 12:37 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-07-08 8:00 gdb/insight 5.3 buggy in kernel module debug renwei
2003-07-09 12:36 ` Ralf Baechle [this message]
2003-07-11 2:14 ` [patch]: " renwei
2003-07-11 2:31 ` Ralf Baechle
2003-07-11 2:43 ` Daniel Jacobowitz
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