| 1 | /* Default memmem implementation with vector string functions for S/390. |
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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 | #include <ifunc-memmem.h> |
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| 20 | |
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| 21 | #if HAVE_MEMMEM_Z13 |
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| 22 | # include <string.h> |
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| 23 | # if HAVE_MEMMEM_IFUNC || MEMMEM_Z13_ONLY_USED_AS_FALLBACK |
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| 24 | |
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| 25 | # ifndef _LIBC |
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| 26 | # define memmem MEMMEM_Z13 |
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| 27 | # else |
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| 28 | # define __memmem MEMMEM_Z13 |
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| 29 | # endif |
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| 30 | |
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| 31 | # if defined SHARED && IS_IN (libc) |
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| 32 | # undef libc_hidden_def |
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| 33 | # undef libc_hidden_weak |
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| 34 | |
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| 35 | # if HAVE_MEMMEM_C || MEMMEM_Z13_ONLY_USED_AS_FALLBACK |
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| 36 | # define libc_hidden_def(name) |
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| 37 | # define libc_hidden_weak(name) |
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| 38 | # else |
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| 39 | # define libc_hidden_def(name) \ |
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| 40 | strong_alias (__memmem_vx, __memmem_vx_1); \ |
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| 41 | __hidden_ver1 (__memmem_vx, __GI___memmem, __memmem_vx); |
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| 42 | |
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| 43 | # define libc_hidden_weak(name) \ |
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| 44 | __hidden_ver1 (__memmem_vx_1, __GI_memmem, __memmem_vx_1) __attribute__((weak)); |
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| 45 | # endif |
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| 46 | # endif |
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| 47 | |
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| 48 | # undef weak_alias |
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| 49 | # define weak_alias(a, b) |
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| 50 | # endif |
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| 51 | |
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| 52 | # ifdef USE_MULTIARCH |
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| 53 | extern __typeof (memchr) __memchr_vx attribute_hidden; |
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| 54 | # define memchr __memchr_vx |
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| 55 | |
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| 56 | extern __typeof (memcmp) __memcmp_z196 attribute_hidden; |
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| 57 | # define memcmp __memcmp_z196 |
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| 58 | # endif |
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| 59 | |
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| 60 | # include <string/memmem.c> |
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| 61 | #endif |
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| 62 | |
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