llvm dev - Nov 2017 - Does the ORC JIT on Linux eliminate frame pointers - if so - how does one disable this?

Hi,

I suspect that the ORC JIT is eliminating frame pointers on Linux for jitted
code - is there a way to prevent this and get frame pointer?
I use the ORC JIT for our Common Lisp compiler.  On OS X everything is fine and
backtraces are complete and easy to collect and work with.  On linux there are
frames that I can’t get backtrace info on or disassemble.   I suspect that they
don’t have frame pointers.


Christian Schafmeister
Professor, Chemistry
Temple University

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