Re:LibPhenom, a high-performance C eventing framework from F...
by nwmcsween on Tuesday September 17, 2013 @01:30AM
(#6397757)
Why do you do -fno-omit-frame-pointer on x86_64 the ABI requires dwarf or is there something I'm missing?
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Re:LibPhenom, a high-performance C eventing framework from F...
by wezfurlong on Tuesday September 17, 2013 @01:36AM
(#6397770)
Frame pointers make things easier for tools to get backtraces without requiring complex dwarf unwinders. The observability is something I value more than not being able to use that register for other things.