Subject: Re: [PATCH bpf-next 2/6] libbpf: Collect static vs global info about functions

From: Toke Høiland-Jørgensen <[email-masked]>
Date: Wed, 08 Jan 2020 11:25:02 +0100

Alexei Starovoitov <[email-masked]> writes:

> Collect static vs global information about BPF functions from ELF file and
> improve BTF with this additional info if llvm is too old and doesn't emit it on
> its own.

Has the support for this actually landed in LLVM yet? I tried grep'ing
in the commit log and couldn't find anything...

[...]
> @@ -313,6 +321,7 @@ struct bpf_object {
>  	bool loaded;
>  	bool has_pseudo_calls;
>  	bool relaxed_core_relocs;
> +	bool llvm_emits_func_linkage;

Nit: s/llvm/compiler/? Presumably GCC will also support this at some
point?

-Toke