add mdb_kallsyms function and export kallsyms lookup functions
Signed-off-by: Jeffrey Vernon Merkey (jmerkey@wolfmountaingroup.com)
--- a/kernel/kallsyms.c 2008-08-18 23:39:33.000000000 -0600
+++ b/kernel/kallsyms.c 2008-08-18 23:40:26.000000000 -0600
@@ -160,6 +160,7 @@
}
return module_kallsyms_lookup_name(name);
}
+EXPORT_SYMBOL_GPL(kallsyms_lookup_name);
static unsigned long get_symbol_pos(unsigned long addr,
unsigned long *symbolsize,
@@ -262,6 +263,7 @@
namebuf);
return NULL;
}
+EXPORT_SYMBOL_GPL(kallsyms_lookup);
int lookup_symbol_name(unsigned long addr, char *symname)
{
@@ -477,5 +479,49 @@
}
__initcall(kallsyms_init);
+#if defined(CONFIG_MDB) || defined(CONFIG_MDB_MODULE)
+struct kallsym_iter mdb_iter;
+int mdb_kallsyms(char *str, int (*print)(char *s, ...))
+{
+ register loff_t pos = 0;
+ register struct kallsym_iter *iter = &mdb_iter;
+
+ if (!print)
+ return 0;
+
+ // set to beginning of the kallsyms list
+ reset_iter(iter, 0);
+ while (1)
+ {
+ // search the kallsyms list
+ if (!update_iter(iter, pos++))
+ break;
+
+ if (!iter->name[0])
+ continue;
+
+ // if an exclusion search was specified, skip non-matching entries
+ if (str && *str && !strstr(iter->name, str))
+ continue;
+
+ if (iter->module_name[0])
+ {
+ if (print("%0*lx %c %s [%s]\n", (int)(2*sizeof(void*)),
+ iter->value, iter->type, iter->name,
+ iter->module_name))
+ return 1;
+ }
+ else
+ {
+ if (print("%0*lx %c %s\n", (int)(2*sizeof(void*)),
+ iter->value, iter->type, iter->name))
+ return 1;
+ }
+ }
+ return 0;
+}
+EXPORT_SYMBOL_GPL(mdb_kallsyms);
+#endif
+
EXPORT_SYMBOL(__print_symbol);
EXPORT_SYMBOL_GPL(sprint_symbol);
--
