[Lldb-commits] [PATCH] D15046: Fix for TestNoreturnUnwind.py on i386

Jason Molenda via lldb-commits lldb-commits at lists.llvm.org
Tue Dec 1 22:16:19 PST 2015

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jasonmolenda added a comment.

Hi Ravitheja, thanks for the logging output.  It does look like the assembly profiling is failing for some reason, and with your patch we fall back to using the eh_frame instructions and it succeeds.  I'll look at the patch closely tomorrow (I meant to do it tonight but I'm running out of time before I need to head home) - but I'm just curious what lldb will report for

(lldb) image show-unwind -n __kernel_vsyscall

when you have the process running.  Looking at the assembly instructions, it seems like the assembly language profile inspection should have done the right thing here.  The rule "CFA=ebp+16 => ebp=[CFA-16] esp=CFA+0 eip=[CFA-4]" looks right to me at this point in the function.




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