4383 	struct bpf_core_accessor spec[BPF_CORE_SPEC_MAX_LEN];  member
4517 			       struct bpf_core_spec *spec)  in bpf_core_parse_spec()  argument
4529 	memset(spec, 0, sizeof(*spec));  in bpf_core_parse_spec()
4530 	spec->btf = btf;  in bpf_core_parse_spec()
4531 	spec->root_type_id = type_id;  in bpf_core_parse_spec()
4532 	spec->relo_kind = relo_kind;  in bpf_core_parse_spec()
4547 		if (spec->raw_len == BPF_CORE_SPEC_MAX_LEN)  in bpf_core_parse_spec()
4550 		spec->raw_spec[spec->raw_len++] = access_idx;  in bpf_core_parse_spec()
4553 	if (spec->raw_len == 0)  in bpf_core_parse_spec()
4560 	access_idx = spec->raw_spec[0];  in bpf_core_parse_spec()
4561 	acc = &spec->spec[0];  in bpf_core_parse_spec()
4564 	spec->len++;  in bpf_core_parse_spec()
4567 		if (!btf_is_enum(t) || spec->raw_len > 1 || access_idx >= btf_vlen(t))  in bpf_core_parse_spec()
4581 	spec->bit_offset = access_idx * sz * 8;  in bpf_core_parse_spec()
4583 	for (i = 1; i < spec->raw_len; i++) {  in bpf_core_parse_spec()
4588 		access_idx = spec->raw_spec[i];  in bpf_core_parse_spec()
4589 		acc = &spec->spec[spec->len];  in bpf_core_parse_spec()
4599 			spec->bit_offset += bit_offset;  in bpf_core_parse_spec()
4610 				spec->len++;  in bpf_core_parse_spec()
4626 			spec->spec[spec->len].type_id = id;  in bpf_core_parse_spec()
4627 			spec->spec[spec->len].idx = access_idx;  in bpf_core_parse_spec()
4628 			spec->len++;  in bpf_core_parse_spec()
4633 			spec->bit_offset += access_idx * sz * 8;  in bpf_core_parse_spec()
4828 				 struct bpf_core_spec *spec,  in bpf_core_match_member()  argument
4856 		if (spec->raw_len == BPF_CORE_SPEC_MAX_LEN)  in bpf_core_match_member()
4860 		spec->bit_offset += bit_offset;  in bpf_core_match_member()
4861 		spec->raw_spec[spec->raw_len++] = i;  in bpf_core_match_member()
4868 						      spec, next_targ_id);  in bpf_core_match_member()
4875 			targ_acc = &spec->spec[spec->len++];  in bpf_core_match_member()
4885 				spec->len--; /* pop accessor */  in bpf_core_match_member()
4889 		spec->bit_offset -= bit_offset;  in bpf_core_match_member()
4890 		spec->raw_len--;  in bpf_core_match_member()
5014 	local_acc = &local_spec->spec[0];  in bpf_core_spec_match()
5015 	targ_acc = &targ_spec->spec[0];  in bpf_core_spec_match()
5107 				    const struct bpf_core_spec *spec,  in bpf_core_calc_field_relo()  argument
5122 		*val = spec ? 1 : 0;  in bpf_core_calc_field_relo()
5126 	if (!spec)  in bpf_core_calc_field_relo()
5129 	acc = &spec->spec[spec->len - 1];  in bpf_core_calc_field_relo()
5130 	t = btf__type_by_id(spec->btf, acc->type_id);  in bpf_core_calc_field_relo()
5135 			*val = spec->bit_offset / 8;  in bpf_core_calc_field_relo()
5137 			sz = btf__resolve_size(spec->btf, acc->type_id);  in bpf_core_calc_field_relo()
5143 			sz = btf__resolve_size(spec->btf, acc->type_id);  in bpf_core_calc_field_relo()
5158 	mt = skip_mods_and_typedefs(spec->btf, m->type, &field_type_id);  in bpf_core_calc_field_relo()
5159 	bit_off = spec->bit_offset;  in bpf_core_calc_field_relo()
5178 		sz = btf__resolve_size(spec->btf, field_type_id);  in bpf_core_calc_field_relo()
5182 		byte_off = spec->bit_offset / 8;  in bpf_core_calc_field_relo()
5232 				   const struct bpf_core_spec *spec,  in bpf_core_calc_type_relo()  argument
5238 	if (!spec) {  in bpf_core_calc_type_relo()
5245 		*val = spec->root_type_id;  in bpf_core_calc_type_relo()
5251 		sz = btf__resolve_size(spec->btf, spec->root_type_id);  in bpf_core_calc_type_relo()
5266 				      const struct bpf_core_spec *spec,  in bpf_core_calc_enumval_relo()  argument
5274 		*val = spec ? 1 : 0;  in bpf_core_calc_enumval_relo()
5277 		if (!spec)  in bpf_core_calc_enumval_relo()
5279 		t = btf__type_by_id(spec->btf, spec->spec[0].type_id);  in bpf_core_calc_enumval_relo()
5280 		e = btf_enum(t) + spec->spec[0].idx;  in bpf_core_calc_enumval_relo()
5613 static void bpf_core_dump_spec(int level, const struct bpf_core_spec *spec)  in bpf_core_dump_spec()  argument
5621 	type_id = spec->root_type_id;  in bpf_core_dump_spec()
5622 	t = btf__type_by_id(spec->btf, type_id);  in bpf_core_dump_spec()
5623 	s = btf__name_by_offset(spec->btf, t->name_off);  in bpf_core_dump_spec()
5627 	if (core_relo_is_type_based(spec->relo_kind))  in bpf_core_dump_spec()
5630 	if (core_relo_is_enumval_based(spec->relo_kind)) {  in bpf_core_dump_spec()
5631 		t = skip_mods_and_typedefs(spec->btf, type_id, NULL);  in bpf_core_dump_spec()
5632 		e = btf_enum(t) + spec->raw_spec[0];  in bpf_core_dump_spec()
5633 		s = btf__name_by_offset(spec->btf, e->name_off);  in bpf_core_dump_spec()
5639 	if (core_relo_is_field_based(spec->relo_kind)) {  in bpf_core_dump_spec()
5640 		for (i = 0; i < spec->len; i++) {  in bpf_core_dump_spec()
5641 			if (spec->spec[i].name)  in bpf_core_dump_spec()
5642 				libbpf_print(level, ".%s", spec->spec[i].name);  in bpf_core_dump_spec()
5643 			else if (i > 0 || spec->spec[i].idx > 0)  in bpf_core_dump_spec()
5644 				libbpf_print(level, "[%u]", spec->spec[i].idx);  in bpf_core_dump_spec()
5648 		for (i = 0; i < spec->raw_len; i++)  in bpf_core_dump_spec()
5649 			libbpf_print(level, "%s%d", i == 0 ? "" : ":", spec->raw_spec[i]);  in bpf_core_dump_spec()
5651 		if (spec->bit_offset % 8)  in bpf_core_dump_spec()
5653 				     spec->bit_offset / 8, spec->bit_offset % 8);  in bpf_core_dump_spec()
5655 			libbpf_print(level, " @ offset %u)", spec->bit_offset / 8);  in bpf_core_dump_spec()