summaryrefslogtreecommitdiff
path: root/sysdeps/s390/s390-32/strcpy.S
blob: ab06ff8d72495e698cff95c01a568a57beb79e8e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
/* strcpy - copy a string from source to destination. For IBM S390
   This file is part of the GNU C Library.
   Copyright (C) 2000-2017 Free Software Foundation, Inc.
   Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, see
   <http://www.gnu.org/licenses/>.  */

/*
 * R2 = address of destination
 * R3 = address of source
 */

#include "sysdep.h"
#include "asm-syntax.h"

	.text
ENTRY(strcpy)
	slr   %r0,%r0
	lr    %r1,%r2
0:      mvst  %r1,%r3
	jo    0b
	br    %r14
END(strcpy)
libc_hidden_builtin_def (strcpy)