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[Glass] Understanding numbers (OOP?) from a gem log

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Mariano Martinez Peck

[Glass] Understanding numbers (OOP?) from a gem log

Hi guys,

I am trying to understand a crash I had. I am checking my logs of gemnetobjectX and I have 2 lines like:

Object >> _doesNotUnderstand:args:envId:reason: (envId 0) @ 0x7f7fb67df27e=@natCode+0x14e [GsNMethod 3526913]

AClassOfMine >> aMethodOfMine (envId 0) @ 0x7f7fb6918553=@natCode+0x133 [GsNMethod 1230379009]

Is there a way I can get the OOP of the receiver (that instance of AClassOfMine)? And say that yes, somehow I can get the OOP of that object. How can I open an inspector in GemTool for the object with that OOP?

Also, from the above 2 lines, it is not clear to me which was the message send from #aMethodOfMIne that ended in a DNU. Is there a way to know all these?

Thanks in advance,

--
Mariano
http://marianopeck.wordpress.com

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Re: [Glass] Understanding numbers (OOP?) from a gem log

On Sun, Aug 17, 2014 at 6:05 PM, Mariano Martinez Peck <[hidden email]> wrote:

Hi guys,

I am trying to understand a crash I had. I am checking my logs of gemnetobjectX and I have 2 lines like:

Object >> _doesNotUnderstand:args:envId:reason: (envId 0) @ 0x7f7fb67df27e=@natCode+0x14e [GsNMethod 3526913]

3526913 is the oop of the method...

AClassOfMine >> aMethodOfMine (envId 0) @ 0x7f7fb6918553=@natCode+0x133 [GsNMethod 1230379009]

1230379009 is the oop of the method

Is there a way I can get the OOP of the receiver (that instance of AClassOfMine)?

Not from the information here:(

And say that yes, somehow I can get the OOP of that object. How can I open an inspector in GemTool for the object with that OOP?

The expression:

Object _objectForOop: 3526913

can be inspected and in this case will bring up an inspector on the Object >> _doesNotUnderstand:args:envId:reason: method

In tODE you would do the following:

gs objectFor 3526913; edit

to get in inspector up on an object given an oop...

Also, from the above 2 lines, it is not clear to me which was the message send from #aMethodOfMIne that ended in a DNU. Is there a way to know all these?

Good question... the `0x7f7fb6918553=@natCode+0x133` is the offset into the native code, for the method which is not much help ... I do believe that here in development we can interpret that information for our own methods ...

Dale

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