sysdeps/alpha/strcpy.S

   1 /* Copyright (C) 1996-2019 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Richard Henderson <rth@tamu.edu>, 1996.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library.  If not, see
  17    <http://www.gnu.org/licenses/>.  */
  18
  19 /* Copy a null-terminated string from SRC to DST.  Return a pointer
  20    to the null-terminator in the source.  */
  21
  22 #include <sysdep.h>
  23
  24         .text
  25
  26 ENTRY(strcpy)
  27         ldgp    gp, 0(pv)
  28 #ifdef PROF
  29         .set noat
  30         lda     AT, _mcount
  31         jsr     AT, (AT), _mcount
  32         .set at
  33 #endif
  34         .prologue 1
  35
  36         mov     a0, v0          # set up return value
  37         mov     ra, t9
  38         jmp     $31, __stxcpy   # do the copy
  39
  40         END(strcpy)
  41 libc_hidden_builtin_def (strcpy)