1*ea6088e7Sguenther/* $OpenBSD: strchr.S,v 1.8 2017/11/29 05:13:57 guenther Exp $ */ 25b859c19Sderaadt/* 35b859c19Sderaadt * Written by J.T. Conklin <jtc@netbsd.org>. 45b859c19Sderaadt * Public domain. 55b859c19Sderaadt */ 65b859c19Sderaadt 7*ea6088e7Sguenther#include "DEFS.h" 85b859c19Sderaadt 9cb39b413SmillertWEAK_ALIAS(index, strchr) 10f1bfdb2bSkettenis 115b859c19SderaadtENTRY(strchr) 125b859c19Sderaadt movl 4(%esp),%eax 135b859c19Sderaadt movb 8(%esp),%cl 145b859c19Sderaadt .align 2,0x90 155b859c19SderaadtL1: 165b859c19Sderaadt movb (%eax),%dl 175b859c19Sderaadt cmpb %dl,%cl /* found char??? */ 185b859c19Sderaadt je L2 195b859c19Sderaadt incl %eax 205b859c19Sderaadt testb %dl,%dl /* null terminator??? */ 215b859c19Sderaadt jnz L1 225b859c19Sderaadt xorl %eax,%eax 235b859c19SderaadtL2: 245b859c19Sderaadt ret 259b9d2a55SguentherEND_STRONG(strchr) 26