lib/bpf/btf.c

2131 int btf__add_int(struct btf *btf, const char *name, size_t byte_sz, int encoding)
2139 	/* byte_sz must be power of 2 */
2140 	if (!byte_sz || (byte_sz & (byte_sz - 1)) || byte_sz > 16)
2164 	t->size = byte_sz;
2166 	*(__u32 *)(t + 1) = (encoding << 24) | (byte_sz * 8);
2179 int btf__add_float(struct btf *btf, const char *name, size_t byte_sz)
2188 	/* byte_sz must be one of the explicitly allowed values */
2189 	if (byte_sz != 2 && byte_sz != 4 && byte_sz != 8 && byte_sz != 12 &&
2190 	    byte_sz != 16)
2207 	t->size = byte_sz;
2336  *   - *byte_sz* - size of the struct, in bytes;
2345 int btf__add_struct(struct btf *btf, const char *name, __u32 byte_sz)
2347 	return btf_add_composite(btf, BTF_KIND_STRUCT, name, byte_sz);
2353  *   - *byte_sz* - size of the union, in bytes;
2363 int btf__add_union(struct btf *btf, const char *name, __u32 byte_sz)
2365 	return btf_add_composite(btf, BTF_KIND_UNION, name, byte_sz);
2438 static int btf_add_enum_common(struct btf *btf, const char *name, __u32 byte_sz,
2444 	/* byte_sz must be power of 2 */
2445 	if (!byte_sz || (byte_sz & (byte_sz - 1)) || byte_sz > 8)
2465 	t->size = byte_sz;
2473  *   - *byte_sz* - size of the enum, in bytes.
2483 int btf__add_enum(struct btf *btf, const char *name, __u32 byte_sz)
2489 	return btf_add_enum_common(btf, name, byte_sz, false, BTF_KIND_ENUM);
2551  *   - *byte_sz* - size of the enum, in bytes.
2562 int btf__add_enum64(struct btf *btf, const char *name, __u32 byte_sz,
2565 	return btf_add_enum_common(btf, name, byte_sz, is_signed,
2910  *   - *byte_sz* - data section size, in bytes.
2919 int btf__add_datasec(struct btf *btf, const char *name, __u32 byte_sz)
2943 	t->size = byte_sz;
2952  *   - *byte_sz* - variable size, in bytes.
2958 int btf__add_datasec_var_info(struct btf *btf, int var_type_id, __u32 offset, __u32 byte_sz)
2985 	v->size = byte_sz;