1  /* _Float128 aliasing macro support for ifunc generation on PPC.
       2     Copyright (C) 2020-2023 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  #ifndef _FLOAT128_IFUNC_MACROS_PPC64LE
      20  #define _FLOAT128_IFUNC_MACROS_PPC64LE 1
      21  
      22  /* Bring in the various alias-providing headers, and disable
      23     _Float128 related macros.  This prevents exporting any ABI
      24     from _Float128 implementation objects.  */
      25  #include <libm-alias-float128.h>
      26  #include <libm-alias-finite.h>
      27  #include <math-narrow-alias.h>
      28  
      29  #undef libm_alias_float128_r
      30  #undef libm_alias_finite
      31  #undef libm_alias_exclusive_ldouble
      32  #undef libm_alias_float128_other_r_ldbl
      33  #undef libm_alias_float128_narrow
      34  #undef declare_mgen_finite_alias
      35  #undef declare_mgen_alias
      36  #undef declare_mgen_alias_r
      37  #undef declare_mgen_alias_narrow
      38  
      39  #define libm_alias_finite(from, to)
      40  #define libm_alias_float128_r(from, to, r)
      41  #define libm_alias_exclusive_ldouble(from, to)
      42  #define libm_alias_float128_other_r_ldbl(from, to, r)
      43  #define libm_alias_float128_narrow(from, to)
      44  #define declare_mgen_finite_alias(from, to)
      45  #define declare_mgen_alias(from, to)
      46  #define declare_mgen_alias_r(from, to)
      47  #define declare_mgen_alias_narrow(from, to)
      48  
      49  /*  Likewise, disable hidden symbol support.  This is not needed
      50      for the implementation objects as the redirects already give
      51      us this support.  This also means any non-_Float128 headers
      52      which provide hidden_def's should be included prior to this
      53      header (e.g fenv.h).  */
      54  #undef libm_hidden_def
      55  #define libm_hidden_def(func)
      56  #undef libm_hidden_proto
      57  #define libm_hidden_proto(f)
      58  
      59  #include <float128-ifunc-redirect-macros.h>
      60  
      61  #endif /* _FLOAT128_IFUNC_MACROS_PPC64LE */