Libbpf userspace function btf__add_decl_tag

0.6.0

Append new BTF_KIND_DECL_TAG type with a given value to BTF object.

Definition

int btf__add_decl_tag(struct btf *btf, const char *value, int ref_type_id, int component_idx);

Parameters

• btf: pointer to a struct btf object
• value: tag value, can't be NULL or empty;
• ref_type_id: referenced type ID, it might not exist yet;
• component_idx: -1 for tagging reference type, otherwise struct/union member or function argument index;

Return

>0, type ID of newly added BTF type; <0, on error.

Usage

Docs could be improved

This part of the docs is incomplete, contributions are very welcome

Example

Docs could be improved

This part of the docs is incomplete, contributions are very welcome