linux-kernel - Re: [PATCH bpf-next v2 1/3] bpf: btf: export btf types and name by offset from lib

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Date:   Mon, 2 Jul 2018 21:07:29 -0700
From:   Jakub Kicinski <jakub.kicinski@...ronome.com>
To:     Okash Khawaja <osk@...com>
Cc:     Daniel Borkmann <daniel@...earbox.net>,
        Martin KaFai Lau <kafai@...com>,
        Alexei Starovoitov <ast@...nel.org>,
        Yonghong Song <yhs@...com>,
        "Quentin Monnet" <quentin.monnet@...ronome.com>,
        "David S. Miller" <davem@...emloft.net>, <netdev@...r.kernel.org>,
        <kernel-team@...com>, <linux-kernel@...r.kernel.org>,
        Song Liu <songliubraving@...com>
Subject: Re: [PATCH bpf-next v2 1/3] bpf: btf: export btf types and name by
 offset from lib

On Mon, 2 Jul 2018 11:39:14 -0700, Okash Khawaja wrote:
> --- a/tools/lib/bpf/btf.h
> +++ b/tools/lib/bpf/btf.h
> @@ -17,6 +17,9 @@ void btf__free(struct btf *btf);
>  struct btf *btf__new(uint8_t *data, uint32_t size, btf_print_fn_t err_log);
>  int32_t btf__find_by_name(const struct btf *btf, const char *type_name);
>  int64_t btf__resolve_size(const struct btf *btf, uint32_t type_id);
> +int32_t btf__resolve_type(const struct btf *btf, uint32_t type_id);
>  int btf__fd(const struct btf *btf);
> +const char *btf__name_by_offset(const struct btf *btf, uint32_t offset);
> +const struct btf_type *btf__type_by_id(const struct btf *btf, uint32_t type_id);

Why is BTF code using stdint types?  libbpf used to follow the kernel
coding style AFA int types go.