Commit aae9c25d authored by Andrii Nakryiko's avatar Andrii Nakryiko Committed by Alexei Starovoitov
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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: default avatarEduard Zingerman <eddyz87@gmail.com>
Signed-off-by: default avatarAndrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/r/20231215011334.2307144-9-andrii@kernel.org


Signed-off-by: default avatarAlexei Starovoitov <ast@kernel.org>
parent a64bfe61

tools/lib/bpf/bpf_helpers.h

+3 −0
Original line number Diff line number Diff line
@@ -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