Ksplice: Add functions for walking kallsyms symbols

[linux-block.git] / kernel / module.c

diff --git a/kernel/module.c b/kernel/module.c
index 8ddca629e07942631e3eaa6e7cf7c875c328792e..dd4389be915215ae3ca2179598a76283825889fc 100644 (file)
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -2612,6 +2612,25 @@ unsigned long module_kallsyms_lookup_name(const char *name)
        preempt_enable();
        return ret;
 }
+
+int module_kallsyms_on_each_symbol(int (*fn)(void *, const char *,
+                                            struct module *, unsigned long),
+                                  void *data)
+{
+       struct module *mod;
+       unsigned int i;
+       int ret;
+
+       list_for_each_entry(mod, &modules, list) {
+               for (i = 0; i < mod->num_symtab; i++) {
+                       ret = fn(data, mod->strtab + mod->symtab[i].st_name,
+                                mod, mod->symtab[i].st_value);
+                       if (ret != 0)
+                               return ret;
+               }
+       }
+       return 0;
+}
 #endif /* CONFIG_KALLSYMS */
 
 static char *module_flags(struct module *mod, char *buf)