lkml.org 
[lkml]   [2006]   [May]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: Segfault on the i386 enter instruction
Tomasz Malesinski wrote:
> On Fri, May 12, 2006 at 03:50:20PM +0200, Andi Kleen wrote:
>> Handling it like you expect would require to disassemble
>> the function in the page fault handler and it's probably not
>> worth doing that for this weird case.
>
> Does it mean that the ENTER instruction should not be used to create
> stack frames in Linux programs?
>

Basically, yes. Here is a link to a relevant discussion in the 2.2.7 era:

http://groups.google.co.nz/groups?selm=7i86ni%24b7n%241%40palladium.transmeta.com

And perhaps x86-64 is handled different because of the red zone (some
memory below the stack-pointer that can be accessed legally)?

Groeten,
Bart

--
Bart Hartgers - TUE Eindhoven - http://plasimo.phys.tue.nl/bart/contact/
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2006-05-15 13:39    [from the cache]
©2003-2011 Jasper Spaans