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Re: GDB 8.0 release/branching 2017-03-20 update


"Metzger, Markus T" <markus.t.metzger@intel.com> writes:

>> struct PyGetSetDef py_insn_getset[] =
>>  {
>>   { "data", py_insn_data, NULL, "raw instruction data", NULL},
>>   { "decoded", py_insn_decode, NULL, "decoded instruction", NULL},
>>   { "size", py_insn_size, NULL, "instruction size in byte", NULL},
>>   { "pc", py_insn_pc, NULL, "instruction address", NULL },
>>   {NULL}
>> };
>
> This is for the (abstract) base-class, I assume.
>

Yes, it is the base class, but it is the implementation detail about the
class is abstract or not.  I haven't think about it yet.  Again, I only
care about python interface at this stage.

> We don't store any data in the base class so the Python object would
> contain the PyObject header and nothing else, correct?
>
> And the above functions would throw an exception or return None.
> Correct?
>

I didn't go that far yet :)

>
>> struct PyGetSetDef btpy_insn_getset[] =
>> {
>>   { "data", btpy_insn_data, NULL, "raw instruction data", NULL},
>>   { "decoded", btpy_insn_decode, NULL, "decoded instruction", NULL},
>>   { "size", btpy_insn_size, NULL, "instruction size in byte", NULL},
>>   { "pc", btpy_insn_pc, NULL, "instruction address", NULL },
>> 
>>   { "number", btpy_number, NULL, "instruction number", NULL},
>>   { "sal", btpy_sal, NULL, "instruction number", NULL},
>>   {NULL}
>> };
>
> This is for the BtraceInstruction derived class, I assume.  That's essentially
> what Tim implemented.  Correct?
>
> This doesn't look too far away from what we have in GDB today.

I requested to change the python interface in Tim's patch, not the
implementation.

-- 
Yao (齐尧)


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