sysdeps/m68k/fpu/fegetenv.c

   1 /* Store current floating-point environment.
   2    Copyright (C) 1997,99,2000,01,10 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4    Contributed by Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
   5
   6    The GNU C Library is free software; you can redistribute it and/or
   7    modify it under the terms of the GNU Lesser General Public
   8    License as published by the Free Software Foundation; either
   9    version 2.1 of the License, or (at your option) any later version.
  10
  11    The GNU C Library is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14    Lesser General Public License for more details.
  15
  16    You should have received a copy of the GNU Lesser General Public
  17    License along with the GNU C Library; if not, write to the Free
  18    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  19    02111-1307 USA.  */
  20
  21 #include <fenv.h>
  22
  23 int
  24 __fegetenv (fenv_t *envp)
  25 {
  26 #ifdef __mcoldfire__
  27   __asm__ ("fmove%.l %/fpcr,%0" : "=dm" (envp->__control_register));
  28   __asm__ ("fmove%.l %/fpsr,%0" : "=dm" (envp->__status_register));
  29   __asm__ ("fmove%.l %/fpiar,%0" : "=dm" (envp->__instruction_address));
  30 #else
  31   __asm__ ("fmovem%.l %/fpcr/%/fpsr/%/fpiar,%0" : "=m" (*envp));
  32 #endif
  33
  34   /* Success.  */
  35   return 0;
  36 }
  37
  38 #include <shlib-compat.h>
  39 #if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2)
  40 strong_alias (__fegetenv, __old_fegetenv)
  41 compat_symbol (libm, __old_fegetenv, fegetenv, GLIBC_2_1);
  42 #endif
  43
  44 libm_hidden_ver (__fegetenv, fegetenv)
  45 versioned_symbol (libm, __fegetenv, fegetenv, GLIBC_2_2);