1/* 2 * linux/arch/arm/lib/strrchr.S 3 * 4 * Copyright (C) 1995-2000 Russell King 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License version 2 as 8 * published by the Free Software Foundation. 9 * 10 * ASM optimised string functions 11 */ 12#include <linux/linkage.h> 13#include <asm/assembler.h> 14 15 .text 16 .align 5 17ENTRY(strrchr) 18 mov r3, #0 191: ldrb r2, [r0], #1 20 teq r2, r1 21 subeq r3, r0, #1 22 teq r2, #0 23 bne 1b 24 mov r0, r3 25 ret lr 26ENDPROC(strrchr) 27