[LLVMdev] Patchpoint and Stackmap Instrinsics on Linux/ELF

[Tim Northover]

Hi Jörg,

> serializeToStackMapSection writes the information using MCStreamer,
> which seems to work properly.
> I'm using MCJIT with a custom memory manager to intercept the stackmap
> datasection, but no memory is allocated for this purpose.

I think the ELF MCJIT decides whether to load a section for runtime
based on whether it has the SHF_ALLOC flag set, which your patch
doesn't seem to set. If you're lucky that'll make everything spring to
life.

Cheers.

Tim.