On 26.11.2016 04:31, Kamil Rytarowski wrote:
> On 22.11.2016 07:05, Kamil Rytarowski wrote:
>>
>> On 21.11.2016 05:23, Kamil Rytarowski wrote:
>> [...]
>>> My plan for the coming days:
>>>
>>> A. Add introductory man-pages for pthread_dbg, currently just for the
>>> used functions in the existing ATF tests, as other interfaces might be
>>> altered later... or just dropped as unneeded. This library keeps having
>>> dept from Scheduler Activation times, and that shall be just revamped.
>>>
>>
>> I consider this finished (as in good enough for now). I switch to CPU
>> (amd64) debug registers tomorrow.
>>
>> I plan to keep verifying and improving pthread_dbg(3) later during work
>> on LLDB.
>>
>>> B. Implement debug registers, base this code on FreeBSD. Add ATF tests,
>>> commit to master repository.
>>>
>>> C. Implement locally PT_SUSPEND and keep it on a local branch.
>>>
>>> D. Implement locally PTRACE_VFORK (right now just for calling vfork(2)
>>> and for creating a child) and keep it on a local branch.
>>>
>>> ... switch to LLDB
>>>
>>
> 
> I would trade PT_SUSPEND and PTRACE_VFORK for now for more extensive
> implementation of cpu debug registers on x86 - for i386 and amd64 at
> once. It's more invasive than I estimated and since it's started I will
> finish it.
> 
> C. & D. weren't planned to be committed before implementing in lldb anyway.
> 

I've published internally draft for debug registers on amd64 and I'm
working towards finalization of it. I need to add amd64 (and i386)
specific CPU Debug registers tests in ATF. Once committed to src I will
publish a summary on the TNF blog.

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