(root)/
glibc-2.38/
sysdeps/
sparc/
sparc64/
multiarch/
ifunc-impl-list.c
       1  /* Enumerate available IFUNC implementations of a function.  sparc version.
       2     Copyright (C) 2012-2023 Free Software Foundation, Inc.
       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     <https://www.gnu.org/licenses/>.  */
      18  
      19  #include <assert.h>
      20  #include <string.h>
      21  #include <wchar.h>
      22  #include <ldsodefs.h>
      23  #include <sysdep.h>
      24  #include <ifunc-impl-list.h>
      25  
      26  /* Fill ARRAY of MAX elements with IFUNC implementations for function
      27     NAME and return the number of valid entries.  */
      28  
      29  size_t
      30  __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
      31  			size_t max)
      32  {
      33    size_t i = max;
      34    int hwcap;
      35  
      36    hwcap = GLRO(dl_hwcap);
      37  
      38    IFUNC_IMPL (i, name, memcpy,
      39  	      IFUNC_IMPL_ADD (array, i, memcpy, hwcap & HWCAP_SPARC_ADP,
      40  			      __memcpy_niagara7)
      41  	      IFUNC_IMPL_ADD (array, i, memcpy, hwcap & HWCAP_SPARC_CRYPTO,
      42  			      __memcpy_niagara4)
      43  	      IFUNC_IMPL_ADD (array, i, memcpy, hwcap & HWCAP_SPARC_N2,
      44  			      __memcpy_niagara2)
      45  	      IFUNC_IMPL_ADD (array, i, memcpy, hwcap & HWCAP_SPARC_BLKINIT,
      46  			      __memcpy_niagara1)
      47  	      IFUNC_IMPL_ADD (array, i, memcpy, hwcap & HWCAP_SPARC_ULTRA3,
      48  			      __memcpy_ultra3)
      49  	      IFUNC_IMPL_ADD (array, i, memcpy, 1, __memcpy_ultra1));
      50  
      51    IFUNC_IMPL (i, name, mempcpy,
      52  	      IFUNC_IMPL_ADD (array, i, mempcpy, hwcap & HWCAP_SPARC_ADP,
      53  			      __mempcpy_niagara7)
      54  	      IFUNC_IMPL_ADD (array, i, mempcpy, hwcap & HWCAP_SPARC_CRYPTO,
      55  			      __mempcpy_niagara4)
      56  	      IFUNC_IMPL_ADD (array, i, mempcpy, hwcap & HWCAP_SPARC_N2,
      57  			      __mempcpy_niagara2)
      58  	      IFUNC_IMPL_ADD (array, i, mempcpy, hwcap & HWCAP_SPARC_BLKINIT,
      59  			      __mempcpy_niagara1)
      60  	      IFUNC_IMPL_ADD (array, i, mempcpy, hwcap & HWCAP_SPARC_ULTRA3,
      61  			      __mempcpy_ultra3)
      62  	      IFUNC_IMPL_ADD (array, i, mempcpy, 1, __mempcpy_ultra1));
      63  
      64    IFUNC_IMPL (i, name, memset,
      65  	      IFUNC_IMPL_ADD (array, i, memset, hwcap & HWCAP_SPARC_ADP,
      66  			      __memset_niagara7)
      67  	      IFUNC_IMPL_ADD (array, i, memset, hwcap & HWCAP_SPARC_CRYPTO,
      68  			      __memset_niagara4)
      69  	      IFUNC_IMPL_ADD (array, i, memset, hwcap & HWCAP_SPARC_BLKINIT,
      70  			      __memset_niagara1)
      71  	      IFUNC_IMPL_ADD (array, i, memset, 1, __memset_ultra1));
      72  
      73    IFUNC_IMPL (i, name, memmove,
      74  	      IFUNC_IMPL_ADD (array, i, memmove, hwcap & HWCAP_SPARC_ADP,
      75  			      __memmove_niagara7)
      76  	      IFUNC_IMPL_ADD (array, i, memmove, 1, __memmove_ultra1));
      77  
      78    return 0;
      79  }