From mboxrd@z Thu Jan  1 00:00:00 1970
From: htmldeveloper@gmail.com (Peter Teoh)
Date: Sat, 2 Aug 2014 00:31:16 +0800
Subject: userspace stack start and end
In-Reply-To: <CAHnt0GXSVKo6u2EsxbX5=jyPPco=XgHBbk85W_zBDnVhjDcB1w@mail.gmail.com>
References: <CA+JLOiv2V82aYYUq4X-Xm8jG58nfweLLbZjDDPsx6G11zJyyfQ@mail.gmail.com>
	<CAHnt0GXSVKo6u2EsxbX5=jyPPco=XgHBbk85W_zBDnVhjDcB1w@mail.gmail.com>
Message-ID: <CAHnt0GWE-fW6ew-aPx+uW2fQj79uKnTFqoSHprvzoXfNUXKinw@mail.gmail.com>
To: kernelnewbies@lists.kernelnewbies.org
List-Id: kernelnewbies.lists.kernelnewbies.org

and look into the function "print_context_stack()" which will teach u how
to identify the start/end of stack, whether the address is valid, how to
traverse from one frame to another (using RBP / EBP of course, so CONFIG
for framepointer is definitely needed).


On Sat, Aug 2, 2014 at 12:22 AM, Peter Teoh <htmldeveloper@gmail.com> wrote:

> FYI, there are many different types of kernel stack:
>
> http://www.x86-64.org/pipermail/discuss/2005-April/005944.html
>
>
> On Mon, Jul 28, 2014 at 12:52 AM, Xin Tong <trent.tong@gmail.com> wrote:
>
>> I am trying to find the start and end address of the userspace stack. I
>> see in the task_struct there is start_stack. But I could not find end_start
>> anywhere in the kernel code ?
>>
>> Can someone please tell me how to find the end of the stack ?
>>
>> Thanks,
>> Xin
>>
>> _______________________________________________
>> Kernelnewbies mailing list
>> Kernelnewbies at kernelnewbies.org
>> http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
>>
>>
>
>
> --
> Regards,
> Peter Teoh
>



-- 
Regards,
Peter Teoh
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.kernelnewbies.org/pipermail/kernelnewbies/attachments/20140802/7546b092/attachment.html