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libbpf: Add libbpf_kallsyms_parse function

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Move the kallsyms parsing in internal libbpf_kallsyms_parse
function, so it can be used from other places.

It will be used in following changes.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20220316122419.933957-8-jolsa@kernel.org
This commit is contained in:
Jiri Olsa
2022-03-16 13:24:13 +01:00
committed by Andrii Nakryiko
parent 50ae8c25d2
commit 42f78dd5ac
2 changed files with 43 additions and 24 deletions
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5
src/libbpf_internal.h
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@@ -449,6 +449,11 @@ __s32 btf__find_by_name_kind_own(const struct btf *btf, const char *type_name,
extern enum libbpf_strict_mode libbpf_mode;
typedef int (*kallsyms_cb_t)(unsigned long long sym_addr, char sym_type,
const char *sym_name, void *ctx);
int libbpf_kallsyms_parse(kallsyms_cb_t cb, void *arg);
/* handle direct returned errors */
static inline int libbpf_err(int ret)
{