return NULL;
}
-/* Replace "%s" in format with address, or returns -errno. */
-void __print_symbol(const char *fmt, unsigned long address)
+/* Look up a kernel symbol and return it in a text buffer. */
+int sprint_symbol(char *buffer, unsigned long address)
{
char *modname;
const char *name;
unsigned long offset, size;
char namebuf[KSYM_NAME_LEN+1];
- char buffer[sizeof("%s+%#lx/%#lx [%s]") + KSYM_NAME_LEN +
- 2*(BITS_PER_LONG*3/10) + MODULE_NAME_LEN + 1];
name = kallsyms_lookup(address, &size, &offset, &modname, namebuf);
-
if (!name)
- sprintf(buffer, "0x%lx", address);
+ return sprintf(buffer, "0x%lx", address);
else {
if (modname)
- sprintf(buffer, "%s+%#lx/%#lx [%s]", name, offset,
+ return sprintf(buffer, "%s+%#lx/%#lx [%s]", name, offset,
size, modname);
else
- sprintf(buffer, "%s+%#lx/%#lx", name, offset, size);
+ return sprintf(buffer, "%s+%#lx/%#lx", name, offset, size);
}
+}
+
+/* Look up a kernel symbol and print it to the kernel messages. */
+void __print_symbol(const char *fmt, unsigned long address)
+{
+ char buffer[KSYM_SYMBOL_LEN];
+
+ sprint_symbol(buffer, address);
+
printk(fmt, buffer);
}
__initcall(kallsyms_init);
EXPORT_SYMBOL(__print_symbol);
+EXPORT_SYMBOL_GPL(sprint_symbol);