| /* Enumerate available IFUNC implementations of a function. PowerPC32 version. |
| Copyright (C) 2013-2014 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| |
| The GNU C Library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| The GNU C Library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library; if not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #include <assert.h> |
| #include <string.h> |
| #include <wchar.h> |
| #include <ldsodefs.h> |
| #include <ifunc-impl-list.h> |
| |
| /* Maximum number of IFUNC implementations. */ |
| #define MAX_IFUNC 6 |
| |
| size_t |
| __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array, |
| size_t max) |
| { |
| assert (max >= MAX_IFUNC); |
| |
| size_t i = 0; |
| |
| unsigned long int hwcap = GLRO(dl_hwcap); |
| /* hwcap contains only the latest supported ISA, the code checks which is |
| and fills the previous supported ones. */ |
| if (hwcap & PPC_FEATURE_ARCH_2_06) |
| hwcap |= PPC_FEATURE_ARCH_2_05 | PPC_FEATURE_POWER5_PLUS | |
| PPC_FEATURE_POWER5 | PPC_FEATURE_POWER4; |
| else if (hwcap & PPC_FEATURE_ARCH_2_05) |
| hwcap |= PPC_FEATURE_POWER5_PLUS | PPC_FEATURE_POWER5 | PPC_FEATURE_POWER4; |
| else if (hwcap & PPC_FEATURE_POWER5_PLUS) |
| hwcap |= PPC_FEATURE_POWER5 | PPC_FEATURE_POWER4; |
| else if (hwcap & PPC_FEATURE_POWER5) |
| hwcap |= PPC_FEATURE_POWER4; |
| |
| #ifdef SHARED |
| /* Support sysdeps/powerpc/powerpc32/power4/multiarch/memcpy.c. */ |
| IFUNC_IMPL (i, name, memcpy, |
| IFUNC_IMPL_ADD (array, i, memcpy, hwcap & PPC_FEATURE_HAS_VSX, |
| __memcpy_power7) |
| IFUNC_IMPL_ADD (array, i, memcpy, hwcap & PPC_FEATURE_ARCH_2_06, |
| __memcpy_a2) |
| IFUNC_IMPL_ADD (array, i, memcpy, hwcap & PPC_FEATURE_ARCH_2_05, |
| __memcpy_power6) |
| IFUNC_IMPL_ADD (array, i, memcpy, hwcap & PPC_FEATURE_CELL_BE, |
| __memcpy_cell) |
| IFUNC_IMPL_ADD (array, i, memcpy, 1, __memcpy_ppc)) |
| |
| /* Support sysdeps/powerpc/powerpc32/power4/multiarch/memmove.c. */ |
| IFUNC_IMPL (i, name, memmove, |
| IFUNC_IMPL_ADD (array, i, memmove, hwcap & PPC_FEATURE_HAS_VSX, |
| __memmove_power7) |
| IFUNC_IMPL_ADD (array, i, memmove, 1, __memmove_ppc)) |
| |
| /* Support sysdeps/powerpc/powerpc32/power4/multiarch/memset.c. */ |
| IFUNC_IMPL (i, name, memset, |
| IFUNC_IMPL_ADD (array, i, memset, hwcap & PPC_FEATURE_HAS_VSX, |
| __memset_power7) |
| IFUNC_IMPL_ADD (array, i, memset, hwcap & PPC_FEATURE_ARCH_2_05, |
| __memset_power6) |
| IFUNC_IMPL_ADD (array, i, memset, 1, __memset_ppc)) |
| |
| /* Support sysdeps/powerpc/powerpc32/power4/multiarch/bzero.c. */ |
| IFUNC_IMPL (i, name, bzero, |
| IFUNC_IMPL_ADD (array, i, bzero, hwcap & PPC_FEATURE_HAS_VSX, |
| __bzero_power7) |
| IFUNC_IMPL_ADD (array, i, bzero, hwcap & PPC_FEATURE_ARCH_2_05, |
| __bzero_power6) |
| IFUNC_IMPL_ADD (array, i, bzero, 1, __bzero_ppc)) |
| |
| /* Support sysdeps/powerpc/powerpc32/power4/multiarch/strlen.c. */ |
| IFUNC_IMPL (i, name, strlen, |
| IFUNC_IMPL_ADD (array, i, strlen, hwcap & PPC_FEATURE_HAS_VSX, |
| __strlen_power7) |
| IFUNC_IMPL_ADD (array, i, strlen, 1, |
| __strlen_ppc)) |
| |
| /* Support sysdeps/powerpc/powerpc32/power4/multiarch/strnlen.c. */ |
| IFUNC_IMPL (i, name, strnlen, |
| IFUNC_IMPL_ADD (array, i, strnlen, hwcap & PPC_FEATURE_HAS_VSX, |
| __strnlen_power7) |
| IFUNC_IMPL_ADD (array, i, strnlen, 1, |
| __strnlen_ppc)) |
| |
| /* Support sysdeps/powerpc/powerpc32/multiarch/strncmp.c. */ |
| IFUNC_IMPL (i, name, strncmp, |
| IFUNC_IMPL_ADD (array, i, strncmp, hwcap & PPC_FEATURE_HAS_VSX, |
| __strncmp_power7) |
| IFUNC_IMPL_ADD (array, i, strncmp, 1, |
| __strncmp_ppc)) |
| #endif |
| |
| /* Support sysdeps/powerpc/powerpc32/power4/multiarch/memcmp.c. */ |
| IFUNC_IMPL (i, name, memcmp, |
| IFUNC_IMPL_ADD (array, i, memcmp, hwcap & PPC_FEATURE_HAS_VSX, |
| __memcmp_power7) |
| IFUNC_IMPL_ADD (array, i, memcmp, 1, __memcmp_ppc)) |
| |
| /* Support sysdeps/powerpc/powerpc32/power4/multiarch/mempcpy.c. */ |
| IFUNC_IMPL (i, name, mempcpy, |
| IFUNC_IMPL_ADD (array, i, mempcpy, |
| hwcap & PPC_FEATURE_HAS_VSX, |
| __mempcpy_power7) |
| IFUNC_IMPL_ADD (array, i, mempcpy, 1, |
| __mempcpy_ppc)) |
| |
| /* Support sysdeps/powerpc/powerpc32/power4/multiarch/memchr.c. */ |
| IFUNC_IMPL (i, name, memchr, |
| IFUNC_IMPL_ADD (array, i, memchr, |
| hwcap & PPC_FEATURE_HAS_VSX, |
| __memchr_power7) |
| IFUNC_IMPL_ADD (array, i, memchr, 1, |
| __memchr_ppc)) |
| |
| /* Support sysdeps/powerpc/powerpc32/power4/multiarch/memrchr.c. */ |
| IFUNC_IMPL (i, name, memrchr, |
| IFUNC_IMPL_ADD (array, i, memrchr, |
| hwcap & PPC_FEATURE_HAS_VSX, |
| __memrchr_power7) |
| IFUNC_IMPL_ADD (array, i, memrchr, 1, |
| __memrchr_ppc)) |
| |
| /* Support sysdeps/powerpc/powerpc32/power4/multiarch/rawmemchr.c. */ |
| IFUNC_IMPL (i, name, rawmemchr, |
| IFUNC_IMPL_ADD (array, i, rawmemchr, |
| hwcap & PPC_FEATURE_HAS_VSX, |
| __rawmemchr_power7) |
| IFUNC_IMPL_ADD (array, i, rawmemchr, 1, |
| __rawmemchr_ppc)) |
| |
| /* Support sysdeps/powerpc/powerpc32/power4/multiarch/strcasecmp.c. */ |
| IFUNC_IMPL (i, name, strcasecmp, |
| IFUNC_IMPL_ADD (array, i, strcasecmp, |
| hwcap & PPC_FEATURE_HAS_VSX, |
| __strcasecmp_power7) |
| IFUNC_IMPL_ADD (array, i, strcasecmp, 1, __strcasecmp_ppc)) |
| |
| /* Support sysdeps/powerpc/powerpc32/power4/multiarch/strcasecmp_l.c. */ |
| IFUNC_IMPL (i, name, strcasecmp_l, |
| IFUNC_IMPL_ADD (array, i, strcasecmp_l, |
| hwcap & PPC_FEATURE_HAS_VSX, |
| __strcasecmp_l_power7) |
| IFUNC_IMPL_ADD (array, i, strcasecmp_l, 1, |
| __strcasecmp_l_ppc)) |
| |
| /* Support sysdeps/powerpc/powerpc32/power4/multiarch/strncase.c. */ |
| IFUNC_IMPL (i, name, strncasecmp, |
| IFUNC_IMPL_ADD (array, i, strncasecmp, |
| hwcap & PPC_FEATURE_HAS_VSX, |
| __strncasecmp_power7) |
| IFUNC_IMPL_ADD (array, i, strncasecmp, 1, __strncasecmp_ppc)) |
| |
| /* Support sysdeps/powerpc/powerpc32/power4/multiarch/strncase_l.c. */ |
| IFUNC_IMPL (i, name, strncasecmp_l, |
| IFUNC_IMPL_ADD (array, i, strncasecmp_l, |
| hwcap & PPC_FEATURE_HAS_VSX, |
| __strncasecmp_l_power7) |
| IFUNC_IMPL_ADD (array, i, strncasecmp_l, 1, |
| __strncasecmp_l_ppc)) |
| |
| /* Support sysdeps/powerpc/powerpc32/power4/multiarch/strchrnul.c. */ |
| IFUNC_IMPL (i, name, strchrnul, |
| IFUNC_IMPL_ADD (array, i, strchrnul, |
| hwcap & PPC_FEATURE_HAS_VSX, |
| __strchrnul_power7) |
| IFUNC_IMPL_ADD (array, i, strchrnul, 1, |
| __strchrnul_ppc)) |
| |
| /* Support sysdeps/powerpc/powerpc32/power4/multiarch/strchr.c. */ |
| IFUNC_IMPL (i, name, strchr, |
| IFUNC_IMPL_ADD (array, i, strchr, |
| hwcap & PPC_FEATURE_HAS_VSX, |
| __strchr_power7) |
| IFUNC_IMPL_ADD (array, i, strchr, 1, |
| __strchr_ppc)) |
| |
| /* Support sysdeps/powerpc/powerpc32/power4/multiarch/wcschr.c. */ |
| IFUNC_IMPL (i, name, wcschr, |
| IFUNC_IMPL_ADD (array, i, wcschr, |
| hwcap & PPC_FEATURE_HAS_VSX, |
| __wcschr_power7) |
| IFUNC_IMPL_ADD (array, i, wcschr, |
| hwcap & PPC_FEATURE_ARCH_2_05, |
| __wcschr_power6) |
| IFUNC_IMPL_ADD (array, i, wcschr, 1, |
| __wcschr_ppc)) |
| |
| /* Support sysdeps/powerpc/powerpc32/power4/multiarch/wcsrchr.c. */ |
| IFUNC_IMPL (i, name, wcsrchr, |
| IFUNC_IMPL_ADD (array, i, wcsrchr, |
| hwcap & PPC_FEATURE_HAS_VSX, |
| __wcsrchr_power7) |
| IFUNC_IMPL_ADD (array, i, wcsrchr, |
| hwcap & PPC_FEATURE_ARCH_2_05, |
| __wcsrchr_power6) |
| IFUNC_IMPL_ADD (array, i, wcsrchr, 1, |
| __wcsrchr_ppc)) |
| |
| /* Support sysdeps/powerpc/powerpc32/power4/multiarch/wcscpy.c. */ |
| IFUNC_IMPL (i, name, wcscpy, |
| IFUNC_IMPL_ADD (array, i, wcscpy, |
| hwcap & PPC_FEATURE_HAS_VSX, |
| __wcscpy_power7) |
| IFUNC_IMPL_ADD (array, i, wcscpy, |
| hwcap & PPC_FEATURE_ARCH_2_05, |
| __wcscpy_power6) |
| IFUNC_IMPL_ADD (array, i, wcscpy, 1, |
| __wcscpy_ppc)) |
| |
| return i; |
| } |
