glibc/sysdeps/powerpc/nofpu/feupdateenv.c

54 lines
1.7 KiB
C

/* Install given floating-point environment and raise exceptions
(soft-float edition).
Copyright (C) 2002, 2010 Free Software Foundation, Inc.
Contributed by Aldy Hernandez <aldyh@redhat.com>, 2002.
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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include "soft-fp.h"
#include "soft-supp.h"
#include <signal.h>
#include <bp-sym.h>
int
__feupdateenv (const fenv_t *envp)
{
int saved_exceptions;
/* Save currently set exceptions. */
saved_exceptions = __sim_exceptions;
/* Set environment. */
fesetenv (envp);
/* Raise old exceptions. */
__sim_exceptions |= saved_exceptions;
if (saved_exceptions & ~__sim_disabled_exceptions)
raise (SIGFPE);
return 0;
}
#include <shlib-compat.h>
#if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2)
strong_alias (__feupdateenv, __old_feupdateenv)
compat_symbol (libm, BP_SYM (__old_feupdateenv), BP_SYM (feupdateenv), GLIBC_2_1);
#endif
libm_hidden_ver (__feupdateenv, feupdateenv)
versioned_symbol (libm, BP_SYM (__feupdateenv), BP_SYM (feupdateenv), GLIBC_2_2);