From: Jiri Olsa <jolsa@redhat.com>
To: Andrii Nakryiko <andrii.nakryiko@gmail.com>
Cc: Veronika Kabatova <vkabatov@redhat.com>,
Andrii Nakryiko <andriin@fb.com>,
Alexei Starovoitov <ast@kernel.org>,
Arnaldo Carvalho de Melo <acme@redhat.com>,
bpf <bpf@vger.kernel.org>, "Frank Ch. Eigler" <fche@redhat.com>
Subject: Re: Build failures: unresolved symbol vfs_getattr
Date: Wed, 16 Sep 2020 11:06:24 +0200 [thread overview]
Message-ID: <20200916090624.GD2301783@krava> (raw)
In-Reply-To: <20200915121743.GA2199675@krava>
On Tue, Sep 15, 2020 at 02:17:46PM +0200, Jiri Olsa wrote:
SNIP
> <2><140d7aa>: Abbrev Number: 3 (DW_TAG_formal_parameter)
> <140d7ab> DW_AT_type : <0x140cfb6>
> <2><140d7af>: Abbrev Number: 3 (DW_TAG_formal_parameter)
> <140d7b0> DW_AT_type : <0x1406176>
> <2><140d7b4>: Abbrev Number: 3 (DW_TAG_formal_parameter)
> <140d7b5> DW_AT_type : <0x14060c9>
> <2><140d7b9>: Abbrev Number: 0
>
> the latter is just declaration.. but it's missing the
> <365d69d> DW_AT_declaration : 1
>
> so it goes through pahole's function processing:
>
> cu__encode_btf:
> ...
> cu__for_each_function(cu, core_id, fn) {
> int btf_fnproto_id, btf_fn_id;
>
> if (fn->declaration || !fn->external)
> continue;
> ...
>
>
> CC-ing Frank.. any idea why is the DW_AT_declaration : 1 missing?
looks like gcc issue:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97060
let's see ;-)
jirka
next prev parent reply other threads:[~2020-09-16 9:06 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1723352278.11013122.1600093319730.JavaMail.zimbra@redhat.com>
2020-09-14 14:48 ` Build failures: unresolved symbol vfs_getattr Veronika Kabatova
2020-09-14 18:25 ` Jiri Olsa
2020-09-14 22:26 ` Andrii Nakryiko
2020-09-15 7:30 ` Jiri Olsa
2020-09-15 12:17 ` Jiri Olsa
2020-09-16 9:06 ` Jiri Olsa [this message]
2020-10-16 21:38 ` Jiri Olsa
2020-10-21 19:42 ` Jiri Olsa
2020-10-22 20:00 ` Andrii Nakryiko
2020-10-23 5:36 ` Jiri Olsa
2020-10-23 6:58 ` Jiri Olsa
2020-10-23 18:22 ` Andrii Nakryiko
2020-10-23 20:17 ` Jiri Olsa
2020-10-23 20:32 ` Andrii Nakryiko
2020-10-23 20:45 ` Jiri Olsa
2020-10-23 22:02 ` Andrii Nakryiko
2020-10-26 10:14 ` Jiri Olsa
2020-10-26 22:06 ` Andrii Nakryiko
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