Libbpf userspace function btf__add_field

0.2.0

Append new field for the current STRUCT/UNION type in BTF object.

Definition

int btf__add_field(struct btf *btf, const char *name, int field_type_id, __u32 bit_offset, __u32 bit_size);

Parameters

• btf: pointer to a struct btf object
• name: name of the field, can be NULL or empty for anonymous field;
• field_type_id: type ID for the type describing field type;
• bit_offset: bit offset of the start of the field within struct/union;
• bit_size: bit size of a bitfield, 0 for non-bitfield fields;

Return

0, on success; <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