[Docs] [Document Request] Is there any specifications on the symbol ordering file?

[Tanya Lattner via Docs]

Please email llvm-dev

Thanks,
Tanya

> On Jun 2, 2020, at 11:10 PM, 朱一帆 via Docs <docs at lists.llvm.org> wrote:
> 
> Dear LLVM developers,
> 
> I see `ld.lld` support `symbol-ordering-file` option to support custom symbol layout. Unfortunately, there seems to be no accompanied documents on this feature. I do not know what kind of format I should use to customize the layout.
> 
> P.S. I was to use my own runtime profiling tool is generate the function placement. The code is compiled with `-ffunction-sections` and I wanted to reorder the function symbols in the final binary output.
> 
> Best.
> 
> Yifan ZHU
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