if (!symbols)
return -EINVAL;
-
scn = elf_sec_by_idx(obj, obj->efile.maps_shndx);
data = elf_sec_data(obj, scn);
if (!scn || !data) {
return -LIBBPF_ERRNO__FORMAT;
}
+ if (GELF_ST_TYPE(sym.st_info) == STT_SECTION
+ || GELF_ST_BIND(sym.st_info) == STB_LOCAL) {
+ pr_warn("map '%s' (legacy): static maps are not supported\n", map_name);
+ return -ENOTSUP;
+ }
+
map->libbpf_type = LIBBPF_MAP_UNSPEC;
map->sec_idx = sym.st_shndx;
map->sec_offset = sym.st_value;
pr_debug("map '%s': found inner map definition.\n", map->name);
}
+static const char *btf_var_linkage_str(__u32 linkage)
+{
+ switch (linkage) {
+ case BTF_VAR_STATIC: return "static";
+ case BTF_VAR_GLOBAL_ALLOCATED: return "global";
+ case BTF_VAR_GLOBAL_EXTERN: return "extern";
+ default: return "unknown";
+ }
+}
+
static int bpf_object__init_user_btf_map(struct bpf_object *obj,
const struct btf_type *sec,
int var_idx, int sec_idx,
map_name, btf_kind_str(var));
return -EINVAL;
}
- if (var_extra->linkage != BTF_VAR_GLOBAL_ALLOCATED &&
- var_extra->linkage != BTF_VAR_STATIC) {
- pr_warn("map '%s': unsupported var linkage %u.\n",
- map_name, var_extra->linkage);
+ if (var_extra->linkage != BTF_VAR_GLOBAL_ALLOCATED) {
+ pr_warn("map '%s': unsupported map linkage %s.\n",
+ map_name, btf_var_linkage_str(var_extra->linkage));
return -EOPNOTSUPP;
}