[llvm-dev] Implementing GC: Custom stackmaps for statepoints

[Philip Reames via llvm-dev]

Anton,

It sounds like you have general getting started type questions. If you 
reach out to me directly, I'm happy to jump on a call and help answer 
any questions you've got.  I strongly prefer spoken conversation over 
email for this type of thing, so please *don't* send me a list of 
detailed questions.

Philip

On 4/8/21 3:33 AM, Anton Nadolskiy via llvm-dev wrote:
> Hi,
> I’m trying to build a GC for my language and have some issues there, 
> in particular with stack maps. I’m using the statepoints approach and 
> need custom stackmap format (for AOT compiled code), which is 
> basically just offsets of pointers on the stack. I’ve read the doc 
> https://llvm.org/docs/StackMaps.html 
> <https://llvm.org/docs/StackMaps.html>, but I can’t understand how to 
> use it to get just offsets of pointers on the stack. Could you please 
> help?
>
> Another question is about value types with pointers. Consider
> %String = type {i32, i8*}
> Does stackmap also records pointer within this value type?
>
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