strcpy.s revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2003 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
.ident "%Z%%M% %I% %E% SMI"
.file "%M%"
/*
* strcpy(s1, s2)
*
* Copy string s2 to s1. s1 must be large enough. Return s1.
*
* Fast assembler language version of the following C-program strcpy
* which represents the `standard' for the C-library.
*
* char *
* strcpy(s1, s2)
* register char *s1;
* register const char *s2;
* {
* char *os1 = s1;
*
* while(*s1++ = *s2++)
* ;
* return(os1);
* }
*
*/
#include <sys/asm_linkage.h>
#include "synonyms.h"
! copies.
.align 32
sethi %hi(0x80808080), %o5 ! Alan Mycroft's magic2
.copyword:
.zerobyte:
.done: