1 | /* Copyright (C) 2000-2024 Free Software Foundation, Inc. |
2 | This file is part of the GNU C Library. |
3 | |
4 | The GNU C Library is free software; you can redistribute it and/or |
5 | modify it under the terms of the GNU Lesser General Public |
6 | License as published by the Free Software Foundation; either |
7 | version 2.1 of the License, or (at your option) any later version. |
8 | |
9 | The GNU C Library is distributed in the hope that it will be useful, |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
12 | Lesser General Public License for more details. |
13 | |
14 | You should have received a copy of the GNU Lesser General Public |
15 | License along with the GNU C Library. If not, see |
16 | <https://www.gnu.org/licenses/>. */ |
17 | |
18 | /* Copy SRC to DEST returning the address of the terminating 0 in DEST. */ |
19 | |
20 | #include <sysdep.h> |
21 | |
22 | .arch ev6 |
23 | .set noreorder |
24 | .set noat |
25 | .text |
26 | |
27 | ENTRY(__stpcpy) |
28 | ldgp gp, 0(pv) |
29 | #ifdef PROF |
30 | lda AT, _mcount |
31 | jsr AT, (AT), _mcount |
32 | #endif |
33 | .prologue 1 |
34 | |
35 | .align 4 |
36 | mov a0, v0 |
37 | nop |
38 | jsr t9, __stxcpy |
39 | |
40 | # t8 = bitmask (with one bit set) indicating the last byte written |
41 | # a0 = unaligned address of the last *word* written |
42 | |
43 | cttz t8, t8 |
44 | andnot a0, 7, a0 |
45 | addq a0, t8, v0 |
46 | ret |
47 | |
48 | END(__stpcpy) |
49 | |
50 | weak_alias (__stpcpy, stpcpy) |
51 | libc_hidden_def (__stpcpy) |
52 | libc_hidden_builtin_def (stpcpy) |
53 | |