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| author | Andrii Nakryiko <andrii@kernel.org> | 2023-12-14 17:13:32 -0800 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2023-12-19 18:06:47 -0800 |
| commit | aae9c25dda159045b223ecb471cd0729ccec8285 (patch) | |
| tree | 9deb9267269fb33e487df552afa5fa6bd416942b /tools/lib | |
| parent | a64bfe618665ea9c722f922cba8c6e3234eac5ac (diff) | |
| download | linux-aae9c25dda159045b223ecb471cd0729ccec8285.tar.gz | |
libbpf: add __arg_xxx macros for annotating global func args
Add a set of __arg_xxx macros which can be used to augment BPF global
subprogs/functions with extra information for use by BPF verifier.
Acked-by: Eduard Zingerman <eddyz87@gmail.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/r/20231215011334.2307144-9-andrii@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'tools/lib')
| -rw-r--r-- | tools/lib/bpf/bpf_helpers.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/tools/lib/bpf/bpf_helpers.h b/tools/lib/bpf/bpf_helpers.h index 77ceea575dc75..2324cc42b0178 100644 --- a/tools/lib/bpf/bpf_helpers.h +++ b/tools/lib/bpf/bpf_helpers.h @@ -188,6 +188,9 @@ enum libbpf_tristate { !!sym; \ }) +#define __arg_ctx __attribute__((btf_decl_tag("arg:ctx"))) +#define __arg_nonnull __attribute((btf_decl_tag("arg:nonnull"))) + #ifndef ___bpf_concat #define ___bpf_concat(a, b) a ## b #endif |