lib/bpf/relo_core.c

56 #define libbpf_print(level, fmt, ...)	bpf_log((void *)prog_name, fmt, ##__VA_ARGS__)
263 int bpf_core_parse_spec(const char *prog_name, const struct btf *btf,
387 				prog_name, relo->type_id, spec_str, i, id, btf_kind_str(t));
678 static int bpf_core_calc_field_relo(const char *prog_name,
722 				prog_name, relo->kind, relo->insn_off / 8);
744 					prog_name, relo->kind, relo->insn_off / 8);
879 static int bpf_core_calc_relo(const char *prog_name,
897 		err = bpf_core_calc_field_relo(prog_name, relo, local_spec,
900 		err = err ?: bpf_core_calc_field_relo(prog_name, relo, targ_spec,
958 			prog_name, relo_idx, core_relo_kind_str(relo->kind),
969 static void bpf_core_poison_insn(const char *prog_name, int relo_idx,
973 		 prog_name, relo_idx, insn_idx);
1024 int bpf_core_patch_insn(const char *prog_name, struct bpf_insn *insn,
1039 			bpf_core_poison_insn(prog_name, relo_idx, insn_idx + 1, insn + 1);
1040 		bpf_core_poison_insn(prog_name, relo_idx, insn_idx, insn);
1054 				prog_name, relo_idx,
1062 			 prog_name, relo_idx, insn_idx,
1070 				prog_name, relo_idx, insn_idx, insn->off, (unsigned long long)orig_val,
1076 				prog_name, relo_idx, insn_idx, (unsigned long long)new_val);
1082 				prog_name, relo_idx, insn_idx);
1089 			 prog_name, relo_idx, insn_idx, (unsigned long long)orig_val,
1098 					prog_name, relo_idx, insn_idx, insn_bytes_sz, res->orig_sz);
1105 					prog_name, relo_idx, insn_idx, res->new_sz);
1111 				 prog_name, relo_idx, insn_idx, res->orig_sz, res->new_sz);
1122 				prog_name, relo_idx, insn_idx);
1129 				prog_name, relo_idx,
1138 			 prog_name, relo_idx, insn_idx,
1144 			prog_name, relo_idx, insn_idx, insn->code,
1280 int bpf_core_calc_relo_insn(const char *prog_name,
1304 	err = bpf_core_parse_spec(prog_name, local_btf, relo, local_spec);
1310 			prog_name, relo_idx, local_id, btf_kind_str(local_type),
1317 	pr_debug("prog '%s': relo #%d: %s\n", prog_name, relo_idx, spec_buf);
1333 			prog_name, relo_idx, core_relo_kind_str(relo->kind), relo->kind);
1343 				prog_name, relo_idx, i, spec_buf, err);
1348 		pr_debug("prog '%s': relo #%d: %s candidate #%d %s\n", prog_name,
1354 		err = bpf_core_calc_relo(prog_name, relo, relo_idx, local_spec, cand_spec, &cand_res);
1366 				prog_name, relo_idx, cand_spec->bit_offset,
1376 				prog_name, relo_idx,
1411 			 prog_name, relo_idx);
1414 		err = bpf_core_calc_relo(prog_name, relo, relo_idx, local_spec, NULL, targ_res);