Hi,
I am working on a target that will not support JIT, however I want to
support function calling from expressions.
I have managed to get this working by adding a CALL instruction
interpreter to IRInterpreter.cpp where a CALL instruction
executes a ThreadPlanCallFunction. I have function arguments handled
correctly, however getting back the
return value has been tricky.
ThreadPlanCallFunction expects a ClangASTType (describing the return
type) which is passed to the ABI which actually extracts it.
Since the functions I want to call have not been JIT compiled I have no
clang context to reference.
It seems this could be useful for other targets that don't support JIT
too so I would like to find a clean way to implement
this that I can submit it upstream. Can anyone point me towards a clean
approach?
Thanks,
Aidan
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