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libbpf: Add btf__str_by_offset() as a more generic variant of name_by_offset

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BTF strings are used not just for names, they can be arbitrary strings used
for CO-RE relocations, line/func infos, etc. Thus "name_by_offset" terminology
is too specific and might be misleading. Instead, introduce
btf__str_by_offset() API which uses generic string terminology.

Signed-off-by: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: John Fastabend <john.fastabend@gmail.com>
Link: https://lore.kernel.org/bpf/20200929020533.711288-3-andriin@fb.com
This commit is contained in:
Andrii Nakryiko
2020-09-28 19:05:31 -07:00
committed by Andrii Nakryiko
parent a388fcb0f5
commit 6f90197ab0
3 changed files with 8 additions and 1 deletions
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src/libbpf.map
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@@ -327,6 +327,7 @@ LIBBPF_0.2.0 {
btf__add_volatile;
btf__find_str;
btf__new_empty;
btf__str_by_offset;
perf_buffer__buffer_cnt;
perf_buffer__buffer_fd;
perf_buffer__epoll_fd;