1/* Helper for getting proper name of overflow fallback function for
2 {wc|st}{p|r|s}n{cat|cpy}
3
4 All versions must be listed in ifunc-impl-list.c.
5 Copyright (C) 2022-2023 Free Software Foundation, Inc.
6 This file is part of the GNU C Library.
7
8 The GNU C Library is free software; you can redistribute it and/or
9 modify it under the terms of the GNU Lesser General Public
10 License as published by the Free Software Foundation; either
11 version 2.1 of the License, or (at your option) any later version.
12
13 The GNU C Library is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 Lesser General Public License for more details.
17
18 You should have received a copy of the GNU Lesser General Public
19 License along with the GNU C Library; if not, see
20 <https://www.gnu.org/licenses/>. */
21
22#ifndef _STRNCPY_OR_CAT_OVERFLOW_DEF_H_
23#define _STRNCPY_OR_CAT_OVERFLOW_DEF_H_ 1
24
25#if defined USE_MULTIARCH && IS_IN(libc)
26# define UNDERSCORES __
27# ifdef USE_WITH_SSE2
28# define ISA_EXT _sse2
29# elif defined USE_WITH_AVX2
30# ifdef USE_WITH_RTM
31# define ISA_EXT _avx2_rtm
32# else
33# define ISA_EXT _avx2
34# endif
35
36# elif defined USE_WITH_EVEX256
37# define ISA_EXT _evex
38# elif defined USE_WITH_EVEX512
39# define ISA_EXT _evex512
40# endif
41#else
42# define UNDERSCORES
43# define ISA_EXT
44#endif
45
46#ifdef USE_AS_WCSCPY
47# define STRCPY_PREFIX wc
48# define STRCAT_PREFIX wcs
49# ifdef USE_AS_STPCPY
50# define STRCPY_POSTFIX pcpy
51# else
52# define STRCPY_POSTFIX scpy
53# endif
54#else
55# define STRCPY_PREFIX st
56# define STRCAT_PREFIX str
57# ifdef USE_AS_STPCPY
58# define STRCPY_POSTFIX pcpy
59# else
60# define STRCPY_POSTFIX rcpy
61# endif
62#endif
63#define STRCAT_POSTFIX cat
64
65#define PRIMITIVE_OF_NAMER(underscores, prefix, postfix, ext) \
66 underscores##prefix##postfix##ext
67
68#define OF_NAMER(...) PRIMITIVE_OF_NAMER (__VA_ARGS__)
69
70#ifndef OVERFLOW_STRCPY
71# define OVERFLOW_STRCPY \
72 OF_NAMER (UNDERSCORES, STRCPY_PREFIX, STRCPY_POSTFIX, ISA_EXT)
73#endif
74
75#ifndef OVERFLOW_STRCAT
76# define OVERFLOW_STRCAT \
77 OF_NAMER (UNDERSCORES, STRCAT_PREFIX, STRCAT_POSTFIX, ISA_EXT)
78#endif
79
80#endif
81