| 1 | /* Helper for getting proper name of overflow fallback function for |
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| 2 | {wc|st}{p|r|s}n{cat|cpy} |
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| 3 | |
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| 4 | All versions must be listed in ifunc-impl-list.c. |
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| 5 | Copyright (C) 2022-2024 Free Software Foundation, Inc. |
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| 6 | This file is part of the GNU C Library. |
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| 7 | |
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| 8 | The GNU C Library is free software; you can redistribute it and/or |
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| 9 | modify it under the terms of the GNU Lesser General Public |
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| 10 | License as published by the Free Software Foundation; either |
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| 11 | version 2.1 of the License, or (at your option) any later version. |
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| 12 | |
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| 13 | The GNU C Library is distributed in the hope that it will be useful, |
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| 14 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 16 | Lesser General Public License for more details. |
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| 17 | |
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| 18 | You should have received a copy of the GNU Lesser General Public |
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| 19 | License along with the GNU C Library; if not, see |
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| 20 | <https://www.gnu.org/licenses/>. */ |
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| 21 | |
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| 22 | #ifndef _STRNCPY_OR_CAT_OVERFLOW_DEF_H_ |
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| 23 | #define _STRNCPY_OR_CAT_OVERFLOW_DEF_H_ 1 |
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| 24 | |
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| 25 | #if defined USE_MULTIARCH && IS_IN(libc) |
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| 26 | # define UNDERSCORES __ |
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| 27 | # ifdef USE_WITH_SSE2 |
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| 28 | # define ISA_EXT _sse2 |
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| 29 | # elif defined USE_WITH_AVX2 |
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| 30 | # ifdef USE_WITH_RTM |
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| 31 | # define ISA_EXT _avx2_rtm |
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| 32 | # else |
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| 33 | # define ISA_EXT _avx2 |
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| 34 | # endif |
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| 35 | |
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| 36 | # elif defined USE_WITH_EVEX256 |
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| 37 | # define ISA_EXT _evex |
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| 38 | # elif defined USE_WITH_EVEX512 |
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| 39 | # define ISA_EXT _evex512 |
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| 40 | # endif |
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| 41 | #else |
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| 42 | # define UNDERSCORES |
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| 43 | # define ISA_EXT |
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| 44 | #endif |
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| 45 | |
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| 46 | #ifdef USE_AS_WCSCPY |
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| 47 | # define STRCPY_PREFIX wc |
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| 48 | # define STRCAT_PREFIX wcs |
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| 49 | # ifdef USE_AS_STPCPY |
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| 50 | # define STRCPY_POSTFIX pcpy |
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| 51 | # else |
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| 52 | # define STRCPY_POSTFIX scpy |
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| 53 | # endif |
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| 54 | #else |
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| 55 | # define STRCPY_PREFIX st |
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| 56 | # define STRCAT_PREFIX str |
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| 57 | # ifdef USE_AS_STPCPY |
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| 58 | # define STRCPY_POSTFIX pcpy |
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| 59 | # else |
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| 60 | # define STRCPY_POSTFIX rcpy |
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| 61 | # endif |
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| 62 | #endif |
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| 63 | #define STRCAT_POSTFIX cat |
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| 64 | |
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| 65 | #define PRIMITIVE_OF_NAMER(underscores, prefix, postfix, ext) \ |
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| 66 | underscores##prefix##postfix##ext |
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| 67 | |
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| 68 | #define OF_NAMER(...) PRIMITIVE_OF_NAMER (__VA_ARGS__) |
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| 69 | |
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| 70 | #ifndef OVERFLOW_STRCPY |
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| 71 | # define OVERFLOW_STRCPY \ |
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| 72 | OF_NAMER (UNDERSCORES, STRCPY_PREFIX, STRCPY_POSTFIX, ISA_EXT) |
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| 73 | #endif |
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| 74 | |
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| 75 | #ifndef OVERFLOW_STRCAT |
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| 76 | # define OVERFLOW_STRCAT \ |
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| 77 | OF_NAMER (UNDERSCORES, STRCAT_PREFIX, STRCAT_POSTFIX, ISA_EXT) |
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| 78 | #endif |
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| 79 | |
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| 80 | #endif |
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| 81 | |
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