[Vm-dev] How to track message sends in CompiledMethod object?

[Mariano Martinez Peck]

On Mon, Aug 23, 2010 at 8:41 PM, Eliot Miranda <eliot.miranda at gmail.com>wrote:

>
> Hi Mariano,
>
> I would put it in addNewMethodToCache.
>

Thanks Eliot, puting it here worked perfect :)


>  I wold also consider using the unused header bit in CompiledMethod instead
> of the unused object header bit (see CompiledMethod>>clearFlag
> & CompiledMethod>>flag).
>
>
The thing is that I also want to track all objects in addition to
CompiledMethod....so..

thanks

Mariano


> On Mon, Aug 23, 2010 at 9:34 AM, Mariano Martinez Peck <
> marianopeck at gmail.com> wrote:
>
>>
>> Hi folks. I am using the lsat free bit of the Squeak Object header to do
>> some experiments. What I need to do now is to be able to set such bit for
>> the CompiledMethod objects, when those selectors are sent.
>>
>> Suppose that from the image side I do "Date today yyyymmdd"  then I want
>> to set that bit in the object header of the CompiledMethod Date>> #today and
>> CompiledMethod Date>> #yyyymmdd
>>
>> Now....I check in the VM and I am not sure where I should do that. I
>> already have my own primitive so that I can do something like this:
>>
>> ((self isIntegerObject: rcvr) not and: [hasToTrace])
>>         ifTrue: [
>>             self internalTurnOnUsedBit: rcvr.
>>             ].
>>
>> Now...where I can intercept this in the VM? I found Interpreter >>
>> internalExecuteNewMethod
>>
>> is it there? should I access to "newMethod" and do something like this:
>>
>> rcvr := "somehow I access to Interpreter newMethod"
>> ((self isIntegerObject: rcvr) not and: [hasToTrace])
>>         ifTrue: [
>>             self internalTurnOnUsedBit: rcvr.
>>             ].
>>
>>
>> thanks for any help
>>
>> mariano
>>
>>
>
>
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