1  /* Copyright (C) 2010-2023 Free Software Foundation, Inc.
       2  
       3  This file is part of the GNU Fortran runtime library (libgfortran).
       4  
       5  Libgfortran is free software; you can redistribute it and/or modify
       6  it under the terms of the GNU General Public License as published by
       7  the Free Software Foundation; either version 3, or (at your option)
       8  any later version.
       9  
      10  Libgfortran 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
      13  GNU General Public License for more details.
      14  
      15  Under Section 7 of GPL version 3, you are granted additional
      16  permissions described in the GCC Runtime Library Exception, version
      17  3.1, as published by the Free Software Foundation.
      18  
      19  You should have received a copy of the GNU General Public License and
      20  a copy of the GCC Runtime Library Exception along with this program;
      21  see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
      22  <http://www.gnu.org/licenses/>.  */
      23  
      24  /* Note: This file needs to be a separate translation unit (.o file)
      25     to make sure that for static linkage, the libquad dependence only
      26     occurs if needed.  */
      27  
      28  #include "io.h"
      29  
      30  
      31  #if defined(GFC_REAL_16_IS_FLOAT128) || defined(HAVE_GFC_REAL_17)
      32  
      33  /* The prototypes for the called procedures in transfer.c.  */
      34  
      35  extern void transfer_real (st_parameter_dt *, void *, int);
      36  export_proto(transfer_real);
      37  
      38  extern void transfer_real_write (st_parameter_dt *, void *, int);
      39  export_proto(transfer_real_write);
      40  
      41  extern void transfer_complex (st_parameter_dt *, void *, int);
      42  export_proto(transfer_complex);
      43  
      44  extern void transfer_complex_write (st_parameter_dt *, void *, int);
      45  export_proto(transfer_complex_write);
      46  
      47  
      48  /* The prototypes for the procedures in this file.  */
      49  
      50  extern void transfer_real128 (st_parameter_dt *, void *, int);
      51  export_proto(transfer_real128);
      52  
      53  extern void transfer_real128_write (st_parameter_dt *, void *, int);
      54  export_proto(transfer_real128_write);
      55  
      56  extern void transfer_complex128 (st_parameter_dt *, void *, int);
      57  export_proto(transfer_complex128);
      58  
      59  extern void transfer_complex128_write (st_parameter_dt *, void *, int);
      60  export_proto(transfer_complex128_write);
      61  
      62  
      63  /* Make sure that libquadmath is pulled in. The functions strtoflt128
      64     and quadmath_snprintf are weakly referrenced in convert_real and
      65     write_float; the pointer assignment with USED attribute make sure
      66     that there is a non-weakref dependence if the quadmath functions
      67     are used. That avoids segfault when libquadmath is statically linked.  */
      68  # if (defined(HAVE_GFC_REAL_17) && !defined(POWER_IEEE128) \
      69        && !defined(GFC_REAL_17_USE_IEC_60559)) \
      70       || (!defined(HAVE_GFC_REAL_17) && !defined(GFC_REAL_16_USE_IEC_60559))
      71  static void __attribute__((used)) *tmp1 = strtoflt128;
      72  static void __attribute__((used)) *tmp2 = quadmath_snprintf;
      73  # endif
      74  
      75  void
      76  transfer_real128 (st_parameter_dt *dtp, void *p, int kind)
      77  {
      78    transfer_real (dtp, p, kind);
      79  }
      80  
      81  
      82  void
      83  transfer_real128_write (st_parameter_dt *dtp, void *p, int kind)
      84  {
      85    transfer_real (dtp, p, kind);
      86  }
      87  
      88  
      89  void
      90  transfer_complex128 (st_parameter_dt *dtp, void *p, int kind)
      91  {
      92    transfer_complex (dtp, p, kind);
      93  }
      94  
      95  
      96  void
      97  transfer_complex128_write (st_parameter_dt *dtp, void *p, int kind)
      98  {
      99    transfer_complex_write (dtp, p, kind);
     100  }
     101  #endif