allocated blocks holding pointers to other allocated blocks
marc.glisse at inria.fr
Thu Mar 6 20:52:50 UTC 2014
On Wed, 5 Mar 2014, David Warme wrote:
> The GMP manual on Custom Allocation contains the following paragraph:
> GMP may use allocated blocks to hold pointers to other allocated
> blocks. This will limit the assumptions a conservative garbage
> collection scheme can make.
> 1. This seems like a situation that can only exist while certain GMP
> routines are active in the call stack context -- if no GMP function is
> active, then this situation will not exist, correct?
That's not obvious to me.
> 2. What places within GMP use this technique (pervasive, or hopefully
> just a few places)?
I am surprised google didn't point you to:
Apparently, I had only found one at the time, and I doubt we introduced
many since. But I could have missed other places.
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