+static struct symbol *__find_kernel_function(u64 addr, struct map **mapp)
+{
+ return machine__find_kernel_function(host_machine, addr, mapp, NULL);
+}
+
+static struct ref_reloc_sym *kernel_get_ref_reloc_sym(void)
+{
+ /* kmap->ref_reloc_sym should be set if host_machine is initialized */
+ struct kmap *kmap;
+
+ if (map__load(host_machine->vmlinux_maps[MAP__FUNCTION], NULL) < 0)
+ return NULL;
+
+ kmap = map__kmap(host_machine->vmlinux_maps[MAP__FUNCTION]);
+ return kmap->ref_reloc_sym;
+}
+
+static u64 kernel_get_symbol_address_by_name(const char *name, bool reloc)
+{
+ struct ref_reloc_sym *reloc_sym;
+ struct symbol *sym;
+ struct map *map;
+
+ /* ref_reloc_sym is just a label. Need a special fix*/
+ reloc_sym = kernel_get_ref_reloc_sym();
+ if (reloc_sym && strcmp(name, reloc_sym->name) == 0)
+ return (reloc) ? reloc_sym->addr : reloc_sym->unrelocated_addr;
+ else {
+ sym = __find_kernel_function_by_name(name, &map);
+ if (sym)
+ return map->unmap_ip(map, sym->start) -
+ (reloc) ? 0 : map->reloc;
+ }
+ return 0;
+}
+