Re: [PATCH dwarves v2 0/2] btf: support typedef DW_TAG_LLVM_annotation

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On 11/11/21 9:46 AM, Arnaldo Carvalho de Melo wrote:
Em Tue, Nov 09, 2021 at 09:23:30PM -0800, Yonghong Song escreveu:


On 11/2/21 5:11 PM, Andrii Nakryiko wrote:
On Tue, Nov 2, 2021 at 4:35 PM Yonghong Song <yhs@xxxxxx> wrote:

Latest llvm is able to generate DW_TAG_LLVM_annotation for typedef
declarations. Latest bpf-next supports BTF_KIND_DECL_TAG for
typedef declarations. This patch implemented dwarf DW_TAG_LLVM_annotation
to btf BTF_KIND_DECL_TAG conversion. Patch 1 is for dwarf_loader
to process DW_TAG_LLVM_annotation tags. Patch 2 is for the
dwarf->btf conversion.

Changelog:
    v1 -> v2:
     - change some "if" statements to "switch" statement.


LGTM.

Acked-by: Andrii Nakryiko <andrii@xxxxxxxxxx>

Arnaldo, did you get chance to look at this patch set?

Yeah, I've merged and put it in the tmp.master branch so that libbpf's
CI can have a go on it.

I'm also updating my clang/llvm build to test it.

Great! Thanks.


Thanks,

- Arnaldo

Yonghong Song (2):
    dwarf_loader: support typedef DW_TAG_LLVM_annotation
    btf_encoder: generate BTF_KIND_DECL_TAGs for typedef btf_decl_tag
      attributes

   btf_encoder.c  | 17 ++++++++++++++---
   dwarf_loader.c |  7 ++-----
   2 files changed, 16 insertions(+), 8 deletions(-)

--
2.30.2





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