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Re: please help about garbage collector.
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From: |
Stefan Monnier |
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Subject: |
Re: please help about garbage collector. |
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Date: |
Thu, 02 Dec 2010 18:15:06 -0500 |
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User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.0.50 (gnu/linux) |
>> > Could you explain me what kind of Lisp Objects are keps on the stack ?
>> Anything in automatic varables that the compiler puts there.
> How can you detect that at a given address on the stack there is a lisp
> object, and not something else ?
You can't, but we do it anyway. It's called "conservative stack scanning".
Stefan