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Hi, I'm running fedora 6 on an 32 bit intel processor and I would like to known where the esp register gets its value when a user process switches to ...
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- 02-23-2009 #1
kernel stack and the esp register
I'm running fedora 6 on an 32 bit intel processor and I would like to known where the esp register gets its value when a user process switches to kernel mode...I looked around but can't find any definitive answers maybe someone here can shed some light on this topic...Thanks Gerard4143
- 02-24-2009 #2
found the answer...Gerard4143
- 02-24-2009 #3
So....please do share the answer with us, you never know, someone else may need the answer too and you would be doing them a great service. Enjoy!
- 02-24-2009 #4
I found an answer on this web site - section 3.3.2 Task State Segment
Section 3.3. Process Switch
Now I haven't verified any of this information but for now I'm assuming its correct until proven otherwise...Gerard4143
- 02-24-2009 #5
Well I did some coding and the kernel stack pointer (%esp) for a user process is indeed stored in the TSS(task state segment)....Gerard4143