glibc/sysdeps/s390/s390-32/strcpy.S

37 lines
1.1 KiB
ArmAsm

/* strcpy - copy a string from source to destination. For IBM S390
This file is part of the GNU C Library.
Copyright (C) 2000-2016 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)