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libbpf: define __uptr.

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Make __uptr available to BPF programs to enable them to define uptrs.

Acked-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Kui-Feng Lee <thinker.li@gmail.com>
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
Link: https://lore.kernel.org/r/20241023234759.860539-8-martin.lau@linux.dev
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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Kui-Feng Lee 2024-10-23 16:47:54 -07:00 committed by Alexei Starovoitov
parent ba512b00e5
commit 7aa12b8d9f
1 changed files with 1 additions and 0 deletions
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tools/lib/bpf/bpf_helpers.h
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@ -185,6 +185,7 @@ enum libbpf_tristate {
#define __kptr_untrusted __attribute__((btf_type_tag("kptr_untrusted")))
#define __kptr __attribute__((btf_type_tag("kptr")))
#define __percpu_kptr __attribute__((btf_type_tag("percpu_kptr")))
#define __uptr __attribute__((btf_type_tag("uptr")))
#if defined (__clang__)
#define bpf_ksym_exists(sym) ({ \