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libbpf: Split CO-RE logic into relo_core.c.

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Move CO-RE logic into separate file.
The internal interface between libbpf and CO-RE is through
bpf_core_apply_relo_insn() function and few structs defined in relo_core.h.

Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20210721000822.40958-5-alexei.starovoitov@gmail.com
This commit is contained in:
Alexei Starovoitov
2021-07-20 17:08:22 -07:00
committed by Andrii Nakryiko
parent 301ba4d710
commit b0588390db
5 changed files with 1319 additions and 1297 deletions
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10
tools/lib/bpf/libbpf_internal.h
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@@ -425,4 +425,14 @@ static inline void *libbpf_ptr(void *ret)
return ret;
}
static inline bool str_is_empty(const char *s)
{
return !s || !s[0];
}
static inline bool is_ldimm64_insn(struct bpf_insn *insn)
{
return insn->code == (BPF_LD | BPF_IMM | BPF_DW);
}
#endif /* __LIBBPF_LIBBPF_INTERNAL_H */