[pypy-dev] how do you parse jit log containing binary dump ?

[Shubha Ramani]

I assume it's backend/x86? Why is what I'm doing a waste of time though ?

Sent from Shubha Ramani's iPhone 7

> On Dec 9, 2016, at 9:34 AM, Shubha Ramani via pypy-dev <pypy-dev at python.org> wrote:
> 
> Armin you articulated exactly what I want. Please tell me the right place to look then ?
> 
> Shubha 
> 
> Sent from Shubha Ramani's iPhone 7
> 
>> On Dec 9, 2016, at 8:29 AM, Armin Rigo <armin.rigo at gmail.com> wrote:
>> 
>> Hi,
>> 
>> On 9 December 2016 at 15:55, Shubha Ramani via pypy-dev
>> <pypy-dev at python.org> wrote:
>>> I am no longer confused about that.
>> 
>> I think the rest of your mail shows there is still confusion.
>> 
>>> But so far, in order to be able to dump
>>> jitcodes, I have to instrument python code with
>>> "JitDriver", "merge_point", "meta_interp", etc...under the test directory -
>> 
>> Maybe you should start again by describing in detail what you want to
>> do, from the start.
>> 
>> Let me take a wild guess, completely unrelated to the questions you're
>> asking.  Maybe
>> your goal is to run a "pypy" binary, which JITs some parts of the user
>> Python code.
>> What you want then is to map the raw machine code emitted in memory,
>> back to Python-
>> level information.  For example, from an IP, you want an answer like
>> "this 'add' instruction
>> comes from JIT-compiling through this Python function, precisely here
>> [Python bytecode of a CALL], with the call inlined, and running this
>> other Python
>> function, precisely here [Python bytecode of a BINARY_ADD].
>> 
>> If that's anywhere close to what you're looking for, then you are
>> looking at the wrong place.
>> 
>> 
>> A bientôt,
>> 
>> Armin.
> 
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