565 	struct ksym_relo_desc *relo;  in bpf_gen__record_extern()  local
567 	relo = libbpf_reallocarray(gen->relos, gen->relo_cnt + 1, sizeof(*relo));  in bpf_gen__record_extern()
568 	if (!relo) {  in bpf_gen__record_extern()
572 	gen->relos = relo;  in bpf_gen__record_extern()
573 	relo += gen->relo_cnt;  in bpf_gen__record_extern()
574 	relo->name = name;  in bpf_gen__record_extern()
575 	relo->is_weak = is_weak;  in bpf_gen__record_extern()
576 	relo->is_typeless = is_typeless;  in bpf_gen__record_extern()
577 	relo->is_ld64 = is_ld64;  in bpf_gen__record_extern()
578 	relo->kind = kind;  in bpf_gen__record_extern()
579 	relo->insn_idx = insn_idx;  in bpf_gen__record_extern()
584 static struct ksym_desc *get_ksym_desc(struct bpf_gen *gen, struct ksym_relo_desc *relo)  in get_ksym_desc()  argument
591 		if (kdesc->kind == relo->kind && kdesc->is_ld64 == relo->is_ld64 &&  in get_ksym_desc()
592 		    !strcmp(kdesc->name, relo->name)) {  in get_ksym_desc()
604 	kdesc->name = relo->name;  in get_ksym_desc()
605 	kdesc->kind = relo->kind;  in get_ksym_desc()
609 	kdesc->is_ld64 = relo->is_ld64;  in get_ksym_desc()
616 static void emit_bpf_find_by_name_kind(struct bpf_gen *gen, struct ksym_relo_desc *relo)  in emit_bpf_find_by_name_kind()  argument
618 	int name_off, len = strlen(relo->name) + 1;  in emit_bpf_find_by_name_kind()
620 	name_off = add_data(gen, relo->name, len);  in emit_bpf_find_by_name_kind()
624 	emit(gen, BPF_MOV64_IMM(BPF_REG_3, relo->kind));  in emit_bpf_find_by_name_kind()
628 	debug_ret(gen, "find_by_name_kind(%s,%d)", relo->name, relo->kind);  in emit_bpf_find_by_name_kind()
635 static void emit_bpf_kallsyms_lookup_name(struct bpf_gen *gen, struct ksym_relo_desc *relo)  in emit_bpf_kallsyms_lookup_name()  argument
637 	int name_off, len = strlen(relo->name) + 1, res_off;  in emit_bpf_kallsyms_lookup_name()
639 	name_off = add_data(gen, relo->name, len);  in emit_bpf_kallsyms_lookup_name()
651 	debug_ret(gen, "kallsyms_lookup_name(%s,%d)", relo->name, relo->kind);  in emit_bpf_kallsyms_lookup_name()
664 static void emit_relo_kfunc_btf(struct bpf_gen *gen, struct ksym_relo_desc *relo, int insn)  in emit_relo_kfunc_btf()  argument
669 	kdesc = get_ksym_desc(gen, relo);  in emit_relo_kfunc_btf()
682 	emit_bpf_find_by_name_kind(gen, relo);  in emit_relo_kfunc_btf()
683 	if (!relo->is_weak)  in emit_relo_kfunc_btf()
689 			btf_fd_idx, relo->name);  in emit_relo_kfunc_btf()
727 		   relo->name, kdesc->ref);  in emit_relo_kfunc_btf()
732 		   relo->name, kdesc->ref);  in emit_relo_kfunc_btf()
735 static void emit_ksym_relo_log(struct bpf_gen *gen, struct ksym_relo_desc *relo,  in emit_ksym_relo_log()  argument
745 		   relo->is_typeless, relo->is_weak, relo->name, ref);  in emit_ksym_relo_log()
748 		   relo->is_typeless, relo->is_weak, relo->name, ref);  in emit_ksym_relo_log()
755 				    struct ksym_relo_desc *relo, int insn)  in emit_relo_ksym_typeless()  argument
759 	kdesc = get_ksym_desc(gen, relo);  in emit_relo_ksym_typeless()
774 	emit_bpf_kallsyms_lookup_name(gen, relo);  in emit_relo_ksym_typeless()
784 	emit_ksym_relo_log(gen, relo, kdesc->ref);  in emit_relo_ksym_typeless()
801 static void emit_relo_ksym_btf(struct bpf_gen *gen, struct ksym_relo_desc *relo, int insn)  in emit_relo_ksym_btf()  argument
806 	kdesc = get_ksym_desc(gen, relo);  in emit_relo_ksym_btf()
823 	emit_bpf_find_by_name_kind(gen, relo);  in emit_relo_ksym_btf()
824 	if (!relo->is_weak)  in emit_relo_ksym_btf()
848 	emit_ksym_relo_log(gen, relo, kdesc->ref);  in emit_relo_ksym_btf()
867 static void emit_relo(struct bpf_gen *gen, struct ksym_relo_desc *relo, int insns)  in emit_relo()  argument
872 		 relo->kind, relo->name, relo->insn_idx, relo->is_ld64 ? "ld64" : "call");  in emit_relo()
873 	insn = insns + sizeof(struct bpf_insn) * relo->insn_idx;  in emit_relo()
875 	if (relo->is_ld64) {  in emit_relo()
876 		if (relo->is_typeless)  in emit_relo()
877 			emit_relo_ksym_typeless(gen, relo, insn);  in emit_relo()
879 			emit_relo_ksym_btf(gen, relo, insn);  in emit_relo()
881 		emit_relo_kfunc_btf(gen, relo, insn);  in emit_relo()