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4c628e00 | 1 | /* Enumerate available IFUNC implementations of a function. PowerPC32 version. |
d4697bc9 | 2 | Copyright (C) 2013-2014 Free Software Foundation, Inc. |
4c628e00 AZ |
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 | <http://www.gnu.org/licenses/>. */ | |
18 | ||
19 | #include <assert.h> | |
20 | #include <string.h> | |
21 | #include <wchar.h> | |
22 | #include <ldsodefs.h> | |
23 | #include <ifunc-impl-list.h> | |
24 | ||
25 | /* Maximum number of IFUNC implementations. */ | |
26 | #define MAX_IFUNC 6 | |
27 | ||
28 | size_t | |
29 | __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array, | |
30 | size_t max) | |
31 | { | |
32 | assert (max >= MAX_IFUNC); | |
33 | ||
34 | size_t i = 0; | |
35 | ||
36 | unsigned long int hwcap = GLRO(dl_hwcap); | |
37 | /* hwcap contains only the latest supported ISA, the code checks which is | |
38 | and fills the previous supported ones. */ | |
39 | if (hwcap & PPC_FEATURE_ARCH_2_06) | |
40 | hwcap |= PPC_FEATURE_ARCH_2_05 | PPC_FEATURE_POWER5_PLUS | | |
41 | PPC_FEATURE_POWER5 | PPC_FEATURE_POWER4; | |
42 | else if (hwcap & PPC_FEATURE_ARCH_2_05) | |
43 | hwcap |= PPC_FEATURE_POWER5_PLUS | PPC_FEATURE_POWER5 | PPC_FEATURE_POWER4; | |
44 | else if (hwcap & PPC_FEATURE_POWER5_PLUS) | |
45 | hwcap |= PPC_FEATURE_POWER5 | PPC_FEATURE_POWER4; | |
46 | else if (hwcap & PPC_FEATURE_POWER5) | |
47 | hwcap |= PPC_FEATURE_POWER4; | |
48 | ||
930de6f0 AZ |
49 | #ifdef SHARED |
50 | /* Support sysdeps/powerpc/powerpc32/power4/multiarch/memcpy.c. */ | |
51 | IFUNC_IMPL (i, name, memcpy, | |
52 | IFUNC_IMPL_ADD (array, i, memcpy, hwcap & PPC_FEATURE_HAS_VSX, | |
53 | __memcpy_power7) | |
54 | IFUNC_IMPL_ADD (array, i, memcpy, hwcap & PPC_FEATURE_ARCH_2_06, | |
55 | __memcpy_a2) | |
56 | IFUNC_IMPL_ADD (array, i, memcpy, hwcap & PPC_FEATURE_ARCH_2_05, | |
57 | __memcpy_power6) | |
58 | IFUNC_IMPL_ADD (array, i, memcpy, hwcap & PPC_FEATURE_CELL_BE, | |
59 | __memcpy_cell) | |
60 | IFUNC_IMPL_ADD (array, i, memcpy, 1, __memcpy_ppc)) | |
20ed4714 AZ |
61 | |
62 | /* Support sysdeps/powerpc/powerpc32/power4/multiarch/memset.c. */ | |
63 | IFUNC_IMPL (i, name, memset, | |
64 | IFUNC_IMPL_ADD (array, i, memset, hwcap & PPC_FEATURE_HAS_VSX, | |
65 | __memset_power7) | |
66 | IFUNC_IMPL_ADD (array, i, memset, hwcap & PPC_FEATURE_ARCH_2_05, | |
67 | __memset_power6) | |
68 | IFUNC_IMPL_ADD (array, i, memset, 1, __memset_ppc)) | |
69 | ||
70 | /* Support sysdeps/powerpc/powerpc32/power4/multiarch/bzero.c. */ | |
71 | IFUNC_IMPL (i, name, bzero, | |
72 | IFUNC_IMPL_ADD (array, i, bzero, hwcap & PPC_FEATURE_HAS_VSX, | |
73 | __bzero_power7) | |
74 | IFUNC_IMPL_ADD (array, i, bzero, hwcap & PPC_FEATURE_ARCH_2_05, | |
75 | __bzero_power6) | |
76 | IFUNC_IMPL_ADD (array, i, bzero, 1, __bzero_ppc)) | |
77 | ||
3148bb7d AZ |
78 | /* Support sysdeps/powerpc/powerpc32/power4/multiarch/strlen.c. */ |
79 | IFUNC_IMPL (i, name, strlen, | |
80 | IFUNC_IMPL_ADD (array, i, strlen, hwcap & PPC_FEATURE_HAS_VSX, | |
81 | __strlen_power7) | |
82 | IFUNC_IMPL_ADD (array, i, strlen, 1, | |
83 | __strlen_ppc)) | |
ae9cf7a2 AZ |
84 | |
85 | /* Support sysdeps/powerpc/powerpc32/power4/multiarch/strnlen.c. */ | |
86 | IFUNC_IMPL (i, name, strnlen, | |
87 | IFUNC_IMPL_ADD (array, i, strnlen, hwcap & PPC_FEATURE_HAS_VSX, | |
88 | __strnlen_power7) | |
89 | IFUNC_IMPL_ADD (array, i, strnlen, 1, | |
90 | __strnlen_ppc)) | |
a19e01a3 AZ |
91 | |
92 | /* Support sysdeps/powerpc/powerpc32/multiarch/strncmp.c. */ | |
93 | IFUNC_IMPL (i, name, strncmp, | |
94 | IFUNC_IMPL_ADD (array, i, strncmp, hwcap & PPC_FEATURE_HAS_VSX, | |
95 | __strncmp_power7) | |
96 | IFUNC_IMPL_ADD (array, i, strncmp, 1, | |
97 | __strncmp_ppc)) | |
930de6f0 AZ |
98 | #endif |
99 | ||
ab3e3a46 AZ |
100 | /* Support sysdeps/powerpc/powerpc32/power4/multiarch/memcmp.c. */ |
101 | IFUNC_IMPL (i, name, memcmp, | |
102 | IFUNC_IMPL_ADD (array, i, memcmp, hwcap & PPC_FEATURE_HAS_VSX, | |
103 | __memcmp_power7) | |
104 | IFUNC_IMPL_ADD (array, i, memcmp, 1, __memcmp_ppc)) | |
105 | ||
87da8bdb AZ |
106 | /* Support sysdeps/powerpc/powerpc32/power4/multiarch/mempcpy.c. */ |
107 | IFUNC_IMPL (i, name, mempcpy, | |
108 | IFUNC_IMPL_ADD (array, i, mempcpy, | |
109 | hwcap & PPC_FEATURE_HAS_VSX, | |
110 | __mempcpy_power7) | |
111 | IFUNC_IMPL_ADD (array, i, mempcpy, 1, | |
112 | __mempcpy_ppc)) | |
113 | ||
1c62e6d9 AZ |
114 | /* Support sysdeps/powerpc/powerpc32/power4/multiarch/memchr.c. */ |
115 | IFUNC_IMPL (i, name, memchr, | |
116 | IFUNC_IMPL_ADD (array, i, memchr, | |
117 | hwcap & PPC_FEATURE_HAS_VSX, | |
118 | __memchr_power7) | |
119 | IFUNC_IMPL_ADD (array, i, memchr, 1, | |
120 | __memchr_ppc)) | |
121 | ||
03a6aa6a AZ |
122 | /* Support sysdeps/powerpc/powerpc32/power4/multiarch/memrchr.c. */ |
123 | IFUNC_IMPL (i, name, memrchr, | |
124 | IFUNC_IMPL_ADD (array, i, memrchr, | |
125 | hwcap & PPC_FEATURE_HAS_VSX, | |
126 | __memrchr_power7) | |
127 | IFUNC_IMPL_ADD (array, i, memrchr, 1, | |
128 | __memrchr_ppc)) | |
129 | ||
7af8b946 AZ |
130 | /* Support sysdeps/powerpc/powerpc32/power4/multiarch/rawmemchr.c. */ |
131 | IFUNC_IMPL (i, name, rawmemchr, | |
132 | IFUNC_IMPL_ADD (array, i, rawmemchr, | |
133 | hwcap & PPC_FEATURE_HAS_VSX, | |
134 | __rawmemchr_power7) | |
135 | IFUNC_IMPL_ADD (array, i, rawmemchr, 1, | |
136 | __rawmemchr_ppc)) | |
137 | ||
4dfd5c86 AZ |
138 | /* Support sysdeps/powerpc/powerpc32/power4/multiarch/strcasecmp.c. */ |
139 | IFUNC_IMPL (i, name, strcasecmp, | |
140 | IFUNC_IMPL_ADD (array, i, strcasecmp, | |
141 | hwcap & PPC_FEATURE_HAS_VSX, | |
142 | __strcasecmp_power7) | |
143 | IFUNC_IMPL_ADD (array, i, strcasecmp, 1, __strcasecmp_ppc)) | |
144 | ||
145 | /* Support sysdeps/powerpc/powerpc32/power4/multiarch/strcasecmp_l.c. */ | |
146 | IFUNC_IMPL (i, name, strcasecmp_l, | |
147 | IFUNC_IMPL_ADD (array, i, strcasecmp_l, | |
148 | hwcap & PPC_FEATURE_HAS_VSX, | |
149 | __strcasecmp_l_power7) | |
150 | IFUNC_IMPL_ADD (array, i, strcasecmp_l, 1, | |
151 | __strcasecmp_l_ppc)) | |
152 | ||
0d0607d9 AZ |
153 | /* Support sysdeps/powerpc/powerpc32/power4/multiarch/strncase.c. */ |
154 | IFUNC_IMPL (i, name, strncasecmp, | |
155 | IFUNC_IMPL_ADD (array, i, strncasecmp, | |
156 | hwcap & PPC_FEATURE_HAS_VSX, | |
157 | __strncasecmp_power7) | |
158 | IFUNC_IMPL_ADD (array, i, strncasecmp, 1, __strncasecmp_ppc)) | |
159 | ||
160 | /* Support sysdeps/powerpc/powerpc32/power4/multiarch/strncase_l.c. */ | |
161 | IFUNC_IMPL (i, name, strncasecmp_l, | |
162 | IFUNC_IMPL_ADD (array, i, strncasecmp_l, | |
163 | hwcap & PPC_FEATURE_HAS_VSX, | |
164 | __strncasecmp_l_power7) | |
165 | IFUNC_IMPL_ADD (array, i, strncasecmp_l, 1, | |
166 | __strncasecmp_l_ppc)) | |
167 | ||
31c81aaa AZ |
168 | /* Support sysdeps/powerpc/powerpc32/power4/multiarch/strchrnul.c. */ |
169 | IFUNC_IMPL (i, name, strchrnul, | |
170 | IFUNC_IMPL_ADD (array, i, strchrnul, | |
171 | hwcap & PPC_FEATURE_HAS_VSX, | |
172 | __strchrnul_power7) | |
173 | IFUNC_IMPL_ADD (array, i, strchrnul, 1, | |
174 | __strchrnul_ppc)) | |
175 | ||
ba964147 AZ |
176 | /* Support sysdeps/powerpc/powerpc32/power4/multiarch/strchr.c. */ |
177 | IFUNC_IMPL (i, name, strchr, | |
178 | IFUNC_IMPL_ADD (array, i, strchr, | |
179 | hwcap & PPC_FEATURE_HAS_VSX, | |
180 | __strchr_power7) | |
181 | IFUNC_IMPL_ADD (array, i, strchr, 1, | |
182 | __strchr_ppc)) | |
183 | ||
05b5cd1c AZ |
184 | /* Support sysdeps/powerpc/powerpc32/power4/multiarch/wcschr.c. */ |
185 | IFUNC_IMPL (i, name, wcschr, | |
186 | IFUNC_IMPL_ADD (array, i, wcschr, | |
187 | hwcap & PPC_FEATURE_HAS_VSX, | |
188 | __wcschr_power7) | |
189 | IFUNC_IMPL_ADD (array, i, wcschr, | |
190 | hwcap & PPC_FEATURE_ARCH_2_05, | |
191 | __wcschr_power6) | |
192 | IFUNC_IMPL_ADD (array, i, wcschr, 1, | |
193 | __wcschr_ppc)) | |
194 | ||
bb04e529 AZ |
195 | /* Support sysdeps/powerpc/powerpc32/power4/multiarch/wcsrchr.c. */ |
196 | IFUNC_IMPL (i, name, wcsrchr, | |
197 | IFUNC_IMPL_ADD (array, i, wcsrchr, | |
198 | hwcap & PPC_FEATURE_HAS_VSX, | |
199 | __wcsrchr_power7) | |
200 | IFUNC_IMPL_ADD (array, i, wcsrchr, | |
201 | hwcap & PPC_FEATURE_ARCH_2_05, | |
202 | __wcsrchr_power6) | |
203 | IFUNC_IMPL_ADD (array, i, wcsrchr, 1, | |
204 | __wcsrchr_ppc)) | |
205 | ||
93be09e7 AZ |
206 | /* Support sysdeps/powerpc/powerpc32/power4/multiarch/wcscpy.c. */ |
207 | IFUNC_IMPL (i, name, wcscpy, | |
208 | IFUNC_IMPL_ADD (array, i, wcscpy, | |
209 | hwcap & PPC_FEATURE_HAS_VSX, | |
210 | __wcscpy_power7) | |
211 | IFUNC_IMPL_ADD (array, i, wcscpy, | |
212 | hwcap & PPC_FEATURE_ARCH_2_05, | |
213 | __wcscpy_power6) | |
214 | IFUNC_IMPL_ADD (array, i, wcscpy, 1, | |
215 | __wcscpy_ppc)) | |
216 | ||
4c628e00 AZ |
217 | return i; |
218 | } |