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24c2c3b9 | 1 | /* Multiple versions of strncmp. |
04277e02 | 2 | Copyright (C) 2013-2019 Free Software Foundation, Inc. |
24c2c3b9 AZ |
3 | This file is part of the GNU C Library. |
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 | /* Define multiple versions only for definition in libc. */ | |
4f41c682 | 20 | #if defined SHARED && IS_IN (libc) |
00980d84 SL |
21 | # define strncmp __redirect_strncmp |
22 | /* Omit the strncmp inline definitions because it would redefine strncmp. */ | |
23 | # define __NO_STRING_INLINES | |
24c2c3b9 AZ |
24 | # include <string.h> |
25 | # include <shlib-compat.h> | |
26 | # include "init-arch.h" | |
27 | ||
28 | extern __typeof (strncmp) __strncmp_ppc attribute_hidden; | |
29 | extern __typeof (strncmp) __strncmp_power4 attribute_hidden; | |
30 | extern __typeof (strncmp) __strncmp_power7 attribute_hidden; | |
d3b00f46 | 31 | extern __typeof (strncmp) __strncmp_power8 attribute_hidden; |
7793ad7a | 32 | # ifdef __LITTLE_ENDIAN__ |
d89060d6 | 33 | extern __typeof (strncmp) __strncmp_power9 attribute_hidden; |
7793ad7a | 34 | # endif |
00980d84 | 35 | # undef strncmp |
24c2c3b9 AZ |
36 | |
37 | /* Avoid DWARF definition DIE on ifunc symbol so that GDB can handle | |
38 | ifunc symbol properly. */ | |
00980d84 | 39 | libc_ifunc_redirected (__redirect_strncmp, strncmp, |
7793ad7a | 40 | # ifdef __LITTLE_ENDIAN_ |
d89060d6 RS |
41 | (hwcap2 & PPC_FEATURE2_ARCH_3_00) |
42 | ? __strncmp_power9 : | |
7793ad7a | 43 | # endif |
00980d84 SL |
44 | (hwcap2 & PPC_FEATURE2_ARCH_2_07) |
45 | ? __strncmp_power8 | |
46 | : (hwcap & PPC_FEATURE_HAS_VSX) | |
47 | ? __strncmp_power7 | |
48 | : (hwcap & PPC_FEATURE_POWER4) | |
49 | ? __strncmp_power4 | |
50 | : __strncmp_ppc); | |
24c2c3b9 | 51 | #endif |