Thank you Manuel. Sent from Shubha Ramani's iPhone 7
> On Jan 1, 2017, at 8:06 PM, Manuel Jacob <m...@manueljacob.de> wrote: > > Hi Shubha, > > I forgot to mention that the code line starting with "fptr_type = " is valid > Python code, but not valid RPython code. More details on this in the > documentation [1]. You should be able to fix the error by moving the line to > the module toplevel. > > -Manuel > > [1] http://rpython.readthedocs.io/en/latest/getting-started.html > >> On 2016-12-30 19:10, Shubha Ramani wrote: >> I don't know the signature of the function coming into execute_frame >> ahead of time. Therefore as you suggested Manuel,I am leaving the >> argument is an empty list []. This doesn't seem to work though. See >> the assertion error I'm getting below.All other examples of this >> technique I see being used are passing in specific argument types to >> define a succinctfunction signature, i.e. in >> test_warmstate.py: ENTER_JIT = >> lltype.Ptr(lltype.FuncType([lltype.Signed, lltype.Float, >> lltype.Signed], >> lltype.Bool)) >> The following causes an assertion error: >> fun_name = _safe(pycode.co_name) >> fptr_type = lltype.Ptr(lltype.FuncType([], >> lltype.Void)) fptr = >> llhelper(fptr_type, fun_name) >> [translation] start debugger...> >> /opt/shubha_vtune_pypy/rpython/rtyper/lltypesystem/lltype.py(776)constPtr()-> >> assert T.is_constant() >> On Friday, December 30, 2016 8:59 AM, Shubha Ramani >> <shubharam...@yahoo.com> wrote: >> This is very helpful. Thank you Manuel ! >> I will try your suggestion. >> Shubha >>> On Dec 30, 2016, at 8:04 AM, Manuel Jacob <m...@manueljacob.de> wrote: >>> The id of an object is not necessarily related in any way to the address of >>> an object in Python. >>> In RPython, you can convert a function to a low-level function pointer with >>> llhelper() from rpython.rtyper.annlowlevel. You can call it like this: >>> fptr_type = lltype.Ptr(lltype.FuncType([], lltype.Void)) >>> fptr = llhelper(fptr_type, func) >>> Depending on what you want to do with the function address exactly, you >>> might need to cast the function pointer to a RPython "Address" with >>> cast_ptr_to_adr() from rpython.rtyper.lltypesystem.llmemory. >>>> On 2016-12-30 14:42, Shubha Ramani via pypy-dev wrote: >>>> It's not a bad idea for me. I'm hooking up to a tool made by intel >>>> called "vtune" which requires the function name, function size and >>>> function address from the original python script code. I got the first >>>> two from Python reflection (the way VmProf does it) but I need the >>>> third (original script function address). Is __repr__ supported in >>>> Rpython ? The string returned by __repr__ contains the Python address >>>> at least in Python. If id() doesn't work but __repr__ does then I can >>>> use it in the overloaded execute_frame and that should be fine. >>>> Shubha >>>>> On Dec 29, 2016, at 4:29 PM, Ryan Gonzalez <rym...@gmail.com> wrote: >>>>> What exactly are you trying to do. Using id to get the address of a >>>>> function is usually a bad idea... >>>>> -- >>>>> Ryan (ライアン) >>>>> Yoko Shimomura > ryo (supercell/EGOIST) > Hiroyuki Sawano >> everyone else >>>>> http://kirbyfan64.github.io/ >>>>>> On Dec 29, 2016 1:19 PM, "Shubha Ramani via pypy-dev" >>>>>> <pypy-dev@python.org> wrote: >>>>>> What can I use then ? I need the address of the function ? >>>>>> [translation:ERROR] Exception: cannot use id() in RPython; see >>>>>> objectmodel.compute_xxx() >>>>>> Processing block: >>>>>> block@19 is a <class 'rpython.flowspace.flowcontext.SpamBlock'> >>>>>> in (pypy.module._vtune.interp_vtune:28)_get_full_name >>>>>> containing the following operations: >>>>>> buf_0 = simple_call((type RStringIO)) >>>>>> v943 = getattr(buf_0, ('write')) >>>>>> v944 = getattr(pycode_0, ('co_code')) >>>>>> v945 = simple_call(v943, v944) >>>>>> v946 = getattr(buf_0, ('getsize')) >>>>>> size_code_0 = simple_call(v946) >>>>>> v947 = getattr(pycode_0, ('co_name')) >>>>>> id_func_0 = id(v947) >>>>>> v948 = getattr(pycode_0, ('co_name')) >>>>>> v949 = simple_call((function _safe), v948) >>>>>> v950 = getattr(pycode_0, ('co_firstlineno')) >>>>>> v951 = getattr(pycode_0, ('co_filename')) >>>>>> v952 = simple_call((function _safe), v951) >>>>>> v953 = newtuple(v949, v950, v952, size_code_0, id_func_0) >>>>>> v954 = mod(('vtune:%s:%d:%s:%d:%d'), v953) >>>>>> --end-- >>>>>> [translation] start debugger... >>>>>> > /opt/shubha_vtune_pypy/rpython/annotator/unaryop.py(188)id() >>>>>> -> raise Exception("cannot use id() in RPython; " >>>>>> (Pdb+) >>>>>> _______________________________________________ >>>>>> pypy-dev mailing list >>>>>> pypy-dev@python.org >>>>>> https://mail.python.org/mailman/listinfo/pypy-dev >>>> _______________________________________________ >>>> pypy-dev mailing list >>>> pypy-dev@python.org >>>> https://mail.python.org/mailman/listinfo/pypy-dev _______________________________________________ pypy-dev mailing list pypy-dev@python.org https://mail.python.org/mailman/listinfo/pypy-dev
