| 1 | /* Multiple versions of strrchr. PowerPC64 version. |
|---|
| 2 | Copyright (C) 2014-2024 Free Software Foundation, Inc. |
|---|
| 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 | <https://www.gnu.org/licenses/>. */ |
|---|
| 18 | |
|---|
| 19 | /* Define multiple versions only for definition in libc. */ |
|---|
| 20 | #if IS_IN (libc) |
|---|
| 21 | # define strrchr __redirect_strrchr |
|---|
| 22 | # include <string.h> |
|---|
| 23 | # include <shlib-compat.h> |
|---|
| 24 | # include "init-arch.h" |
|---|
| 25 | |
|---|
| 26 | extern __typeof (strrchr) __strrchr_ppc attribute_hidden; |
|---|
| 27 | extern __typeof (strrchr) __strrchr_power7 attribute_hidden; |
|---|
| 28 | extern __typeof (strrchr) __strrchr_power8 attribute_hidden; |
|---|
| 29 | #undef strrchr |
|---|
| 30 | |
|---|
| 31 | /* Avoid DWARF definition DIE on ifunc symbol so that GDB can handle |
|---|
| 32 | ifunc symbol properly. */ |
|---|
| 33 | libc_ifunc_redirected (__redirect_strrchr, strrchr, |
|---|
| 34 | (hwcap2 & PPC_FEATURE2_ARCH_2_07 |
|---|
| 35 | && hwcap & PPC_FEATURE_HAS_ALTIVEC) |
|---|
| 36 | ? __strrchr_power8 : |
|---|
| 37 | (hwcap & PPC_FEATURE_ARCH_2_06) |
|---|
| 38 | ? __strrchr_power7 |
|---|
| 39 | : __strrchr_ppc); |
|---|
| 40 | weak_alias (strrchr, rindex) |
|---|
| 41 | #endif |
|---|
| 42 | |
|---|
