linux-kernel - Re: how to add debug information into the vmlinux

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Date:	Sat, 18 Aug 2007 22:01:34 +0200
From:	"Xu Yang" <risingsunxy@...glemail.com>
To:	"Jan Engelhardt" <jengelh@...putergmbh.de>
Cc:	"Jesper Juhl" <jesper.juhl@...il.com>, linux-kernel@...r.kernel.org
Subject: Re: how to add debug information into the vmlinux

this vmlinux file is running on my software virtual prototype system.
and my software enviorment can only load elf file, so I am using this
real vmlinux file.

regards,

Yang

2007/8/18, Jan Engelhardt <jengelh@...putergmbh.de>:
>
> On Aug 18 2007 21:49, Xu Yang wrote:
> >
> >I tried as what you told me. and the vmlinux does contain debug
> >information. but the start address of this vmlinux is 0xc0008000. when
> >I tried to run this vmlinux, the program always exit at 0x80a0. I
> >checked out that here is the place mmu is turned on.
> >so I used objcopy --change-addresses 0x40000000 to change the start
> >address of the vmlinux, and the program goes further.but the debug
> >information disappeared.
>
> Are you using an UML image... or were you really trying to gdb a real vmlinux?
>
>
>
>        Jan
> --
>
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