| 1 | /* strstr variant information on S/390 version. |
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| 2 | Copyright (C) 2018-2024 Free Software Foundation, Inc. |
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| 3 | This file is part of the GNU C Library. |
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| 4 | |
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| 5 | The GNU C Library is free software; you can redistribute it and/or |
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| 6 | modify it under the terms of the GNU Lesser General Public |
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| 7 | License as published by the Free Software Foundation; either |
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| 8 | version 2.1 of the License, or (at your option) any later version. |
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| 9 | |
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| 10 | The GNU C Library is distributed in the hope that it will be useful, |
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| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 13 | Lesser General Public License for more details. |
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| 14 | |
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| 15 | You should have received a copy of the GNU Lesser General Public |
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| 16 | License along with the GNU C Library; if not, see |
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| 17 | <https://www.gnu.org/licenses/>. */ |
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| 18 | |
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| 19 | #if defined USE_MULTIARCH && IS_IN (libc) \ |
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| 20 | && ! defined HAVE_S390_MIN_ARCH13_ZARCH_ASM_SUPPORT |
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| 21 | # define HAVE_STRSTR_IFUNC 1 |
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| 22 | #else |
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| 23 | # define HAVE_STRSTR_IFUNC 0 |
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| 24 | #endif |
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| 25 | |
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| 26 | #ifdef HAVE_S390_VX_ASM_SUPPORT |
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| 27 | # define HAVE_STRSTR_IFUNC_AND_VX_SUPPORT HAVE_STRSTR_IFUNC |
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| 28 | #else |
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| 29 | # define HAVE_STRSTR_IFUNC_AND_VX_SUPPORT 0 |
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| 30 | #endif |
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| 31 | |
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| 32 | #ifdef HAVE_S390_ARCH13_ASM_SUPPORT |
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| 33 | # define HAVE_STRSTR_IFUNC_AND_ARCH13_SUPPORT HAVE_STRSTR_IFUNC |
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| 34 | #else |
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| 35 | # define HAVE_STRSTR_IFUNC_AND_ARCH13_SUPPORT 0 |
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| 36 | #endif |
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| 37 | |
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| 38 | #if defined HAVE_S390_MIN_ARCH13_ZARCH_ASM_SUPPORT |
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| 39 | # define STRSTR_DEFAULT STRSTR_ARCH13 |
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| 40 | # define HAVE_STRSTR_C 0 |
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| 41 | # define HAVE_STRSTR_Z13 1 |
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| 42 | # define STRSTR_Z13_ONLY_USED_AS_FALLBACK 1 |
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| 43 | # define HAVE_STRSTR_ARCH13 1 |
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| 44 | #elif defined HAVE_S390_MIN_Z13_ZARCH_ASM_SUPPORT |
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| 45 | # define STRSTR_DEFAULT STRSTR_Z13 |
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| 46 | # define HAVE_STRSTR_C 0 |
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| 47 | # define HAVE_STRSTR_Z13 1 |
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| 48 | # define HAVE_STRSTR_ARCH13 HAVE_STRSTR_IFUNC_AND_ARCH13_SUPPORT |
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| 49 | #else |
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| 50 | # define STRSTR_DEFAULT STRSTR_C |
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| 51 | # define HAVE_STRSTR_C 1 |
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| 52 | # define HAVE_STRSTR_Z13 HAVE_STRSTR_IFUNC_AND_VX_SUPPORT |
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| 53 | # define HAVE_STRSTR_ARCH13 HAVE_STRSTR_IFUNC_AND_ARCH13_SUPPORT |
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| 54 | #endif |
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| 55 | |
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| 56 | #ifndef STRSTR_Z13_ONLY_USED_AS_FALLBACK |
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| 57 | # define STRSTR_Z13_ONLY_USED_AS_FALLBACK 0 |
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| 58 | #endif |
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| 59 | |
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| 60 | #if HAVE_STRSTR_C |
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| 61 | # define STRSTR_C __strstr_c |
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| 62 | #else |
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| 63 | # define STRSTR_C NULL |
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| 64 | #endif |
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| 65 | |
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| 66 | #if HAVE_STRSTR_Z13 |
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| 67 | # define STRSTR_Z13 __strstr_vx |
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| 68 | #else |
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| 69 | # define STRSTR_Z13 NULL |
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| 70 | #endif |
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| 71 | |
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| 72 | #if HAVE_STRSTR_ARCH13 |
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| 73 | # define STRSTR_ARCH13 __strstr_arch13 |
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| 74 | #else |
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| 75 | # define STRSTR_ARCH13 NULL |
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| 76 | #endif |
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| 77 | |
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