[Mono-list] Unmanaged Stack bound to prevent corruption

[Shankari]

Hello,
 
I am trying to locate the bounds for the unmanaged or managed stack. The purpose is to sandbox my unmanaged code.
 
I looked into metadata/threads.c and there is "stack_ptr" defined for each managed thread. But how can I know the size of it , so that I can arrive at managed stack extent.
 
If I can get the bounds of the unmanaged stack, that would be fine too. 
 
The issue here is , i tried passing a value by reference to the unmanaged code and printed out its address in both C# and C, they look pretty close together. I am not sure why this happens.
 
Any way of finding this info out?
 
 
Thanks,
Shankari

		
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