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authorAndrii Nakryiko <andriin@fb.com>2020-08-18 15:39:14 -0700
committerAlexei Starovoitov <ast@kernel.org>2020-08-18 18:12:45 -0700
commit28b93c64499ae09d9dc8c04123b15f8654a93c4c (patch)
tree2bd626b180c389f75f281501b213c059c132bb6e /tools/lib/bpf/btf.c
parent81ba0889027505b7d5136319117e473a69a923c4 (diff)
downloadlinux-next-28b93c64499ae09d9dc8c04123b15f8654a93c4c.tar.gz
libbpf: Clean up and improve CO-RE reloc logging
Add logging of local/target type kind (struct/union/typedef/etc). Preserve unresolved root type ID (for cases of typedef). Improve the format of CO-RE reloc spec output format to contain only relevant and succinct info. Signed-off-by: Andrii Nakryiko <andriin@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Link: https://lore.kernel.org/bpf/20200818223921.2911963-3-andriin@fb.com
Diffstat (limited to 'tools/lib/bpf/btf.c')
-rw-r--r--tools/lib/bpf/btf.c17
1 files changed, 8 insertions, 9 deletions
diff --git a/tools/lib/bpf/btf.c b/tools/lib/bpf/btf.c
index 7dfca7016aaa..1deedbd19c6c 100644
--- a/tools/lib/bpf/btf.c
+++ b/tools/lib/bpf/btf.c
@@ -1131,14 +1131,14 @@ static int btf_ext_setup_line_info(struct btf_ext *btf_ext)
return btf_ext_setup_info(btf_ext, &param);
}
-static int btf_ext_setup_field_reloc(struct btf_ext *btf_ext)
+static int btf_ext_setup_core_relos(struct btf_ext *btf_ext)
{
struct btf_ext_sec_setup_param param = {
- .off = btf_ext->hdr->field_reloc_off,
- .len = btf_ext->hdr->field_reloc_len,
- .min_rec_size = sizeof(struct bpf_field_reloc),
- .ext_info = &btf_ext->field_reloc_info,
- .desc = "field_reloc",
+ .off = btf_ext->hdr->core_relo_off,
+ .len = btf_ext->hdr->core_relo_len,
+ .min_rec_size = sizeof(struct bpf_core_relo),
+ .ext_info = &btf_ext->core_relo_info,
+ .desc = "core_relo",
};
return btf_ext_setup_info(btf_ext, &param);
@@ -1217,10 +1217,9 @@ struct btf_ext *btf_ext__new(__u8 *data, __u32 size)
if (err)
goto done;
- if (btf_ext->hdr->hdr_len <
- offsetofend(struct btf_ext_header, field_reloc_len))
+ if (btf_ext->hdr->hdr_len < offsetofend(struct btf_ext_header, core_relo_len))
goto done;
- err = btf_ext_setup_field_reloc(btf_ext);
+ err = btf_ext_setup_core_relos(btf_ext);
if (err)
goto done;