On 10/16/18 11:27 AM, Alexei Starovoitov wrote: > On Fri, Oct 12, 2018 at 11:54:20AM -0700, Yonghong Song wrote: >> The BTF support was added to kernel by Commit 69b693f0aefa >> ("bpf: btf: Introduce BPF Type Format (BTF)"), which introduced >> .BTF section into ELF file and is primarily >> used for map pretty print. >> pahole is used to convert dwarf to BTF for ELF files. >> >> The next step would be add func type info and debug line info >> into BTF. For debug line info, it is desirable to encode >> source code directly in the BTF to ease deployment and >> introspection. > > it's kinda confusing that cover letter talks about line info next step, > but these kernel side patches are only for full prog name from btf. > It certainly makes sense for llvm to do both at the same time. > Please make the cover letter more clear.
Make sense. Will remove line_info stuff from the cover letter.