1/* 2 * Written by J.T. Conklin <jtc@netbsd.org>. 3 * Public domain. 4 */ 5 6#include <machine/asm.h> 7 8#if defined(LIBC_SCCS) 9 RCSID("$NetBSD: index.S,v 1.10 2000/08/07 14:46:52 ad Exp $") 10#endif 11 12#ifdef STRCHR 13ENTRY(strchr) 14#else 15ENTRY(index) 16#endif 17 movl 4(%esp),%eax 18 movb 8(%esp),%cl 19 _ALIGN_TEXT,0x90 20L1: 21 movb (%eax),%dl 22 cmpb %dl,%cl /* found char??? */ 23 je L2 24 incl %eax 25 testb %dl,%dl /* null terminator??? */ 26 jnz L1 27 xorl %eax,%eax 28L2: 29 ret 30