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libbpf: Add btf__new_split() API that was declared but not implemented

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Seems like original commit adding split BTF support intended to add
btf__new_split() API, and even declared it in libbpf.map, but never
added (trivial) implementation. Fix this.

Fixes: ba451366bf ("libbpf: Implement basic split BTF support")
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Eduard Zingerman <eddyz87@gmail.com>
Link: https://lore.kernel.org/bpf/20240201172027.604869-4-andrii@kernel.org
This commit is contained in:
Andrii Nakryiko 2024-02-01 09:20:25 -08:00 • committed by Daniel Borkmann
parent 93ee1eb85e
commit c81a8ab196
2 changed files with 7 additions and 1 deletions
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5
tools/lib/bpf/btf.c
View file

@ -1079,6 +1079,11 @@ struct btf *btf__new(const void *data, __u32 size)
return libbpf_ptr(btf_new(data, size, NULL));
}
struct btf *btf__new_split(const void *data, __u32 size, struct btf *base_btf)
{
return libbpf_ptr(btf_new(data, size, base_btf));
}
static struct btf *btf_parse_elf(const char *path, struct btf *base_btf,
struct btf_ext **btf_ext)
{

3
tools/lib/bpf/libbpf.map
View file

@ -245,7 +245,6 @@ LIBBPF_0.3.0 {
btf__parse_raw_split;
btf__parse_split;
btf__new_empty_split;
btf__new_split;
ring_buffer__epoll_fd;
} LIBBPF_0.2.0;
@ -411,5 +410,7 @@ LIBBPF_1.3.0 {
} LIBBPF_1.2.0;
LIBBPF_1.4.0 {
global:
bpf_token_create;
btf__new_split;
} LIBBPF_1.3.0;