.text
.align 5
-/* Prototype: unsigned long __arch_strnlen_user(const char *str, long n)
+/* Prototype: unsigned long __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)
- save_lr
+ENTRY(__strnlen_user)
mov r2, r0
1:
-USER( ldrbt r3, [r0], #1)
+ ldrusr r3, r0, 1
teq r3, #0
beq 2f
subs r1, r1, #1
bne 1b
add r0, r0, #1
2: sub r0, r0, r2
- restore_pc
+ mov pc, lr
+ENDPROC(__strnlen_user)
- .section .fixup,"ax"
+ .pushsection .fixup,"ax"
.align 0
9001: mov r0, #0
- restore_pc
- .previous
+ mov pc, lr
+ .popsection