[llvm-dev] [RFC] Making .eh_frame more linker-friendly

George Rimar via llvm-dev llvm-dev at lists.llvm.org
Mon Nov 27 04:45:42 PST 2017

>What we gonna do next ? My plan is to prepare demo patch for LLD to stop parsing .eh_frames

>for GC step and benchmark the results with use of -gc-sections. It also can show amount of LLD
>code reduction/simplification we can have.



Demo patch for LLD that stops parsing .eh_frame during GC stage

is: https://reviews.llvm.org/D40484. With it LLD GC code is slightly simpler.

I tested it both together with lib/mc patch for emiting multiple .eh_frames

(https://reviews.llvm.org/D40352) and along, it looks it has no any visible effect on

perfomance by itself.

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