| * linux/arch/arm/lib/strnlen_user.S |
| * Copyright (C) 1995-2000 Russell King |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 as |
| * published by the Free Software Foundation. |
| #include <linux/linkage.h> |
| #include <asm/assembler.h> |
| /* Prototype: unsigned long __arch_strnlen_user(const char *str, long n) |
| * Purpose : get length of a string in user memory |
| * Params : str - address of string in user memory |
| * Returns : length of string *including terminator* |
| * or zero on exception, or n + 1 if too long |
| ENTRY(__arch_strnlen_user) |
| USER( ldrbt r3, [r0], #1) |