diff options
| -rw-r--r-- | ChangeLog | 6 | ||||
| -rw-r--r-- | sysdeps/arm/fpu/fedisblxcpt.c | 40 | ||||
| -rw-r--r-- | sysdeps/arm/fpu/feenablxcpt.c | 40 | ||||
| -rw-r--r-- | sysdeps/arm/fpu/fegetexcept.c | 32 |
4 files changed, 118 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog index 4c7a9db35f..dd2d5db398 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,11 @@ 2001-04-22 Philip Blundell <philb@gnu.org> + * sysdeps/arm/fpu/feenablxcpt.c: New file. + * sysdeps/arm/fpu/fedisablxcpt.c: New file. + * sysdeps/arm/fpu/fegetexcpt.c: New file. + +2001-04-22 Philip Blundell <philb@gnu.org> + * sysdeps/unix/sysv/linux/arm/sys/user.h (struct user_fpregs): Renamed from struct user_fp. (struct user_regs): New. diff --git a/sysdeps/arm/fpu/fedisblxcpt.c b/sysdeps/arm/fpu/fedisblxcpt.c new file mode 100644 index 0000000000..e41bd52ed7 --- /dev/null +++ b/sysdeps/arm/fpu/fedisblxcpt.c @@ -0,0 +1,40 @@ +/* Disable floating-point exceptions. + Copyright (C) 2001 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Philip Blundell <philb@gnu.org>, 2001. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include <fenv.h> +#include <fpu_control.h> + +int +fedisableexcept (int excepts) +{ + unsigned long int new_exc, old_exc; + + _FPU_GETCW(new_exc); + + old_exc = (new_exc >> FE_EXCEPT_SHIFT) & FE_ALL_EXCEPT; + + excepts &= FE_ALL_EXCEPT; + + new_exc &= ~(excepts << FE_EXCEPT_SHIFT); + + _FPU_SETCW(new_exc); + + return old_exc; +} diff --git a/sysdeps/arm/fpu/feenablxcpt.c b/sysdeps/arm/fpu/feenablxcpt.c new file mode 100644 index 0000000000..24c4363b24 --- /dev/null +++ b/sysdeps/arm/fpu/feenablxcpt.c @@ -0,0 +1,40 @@ +/* Enable floating-point exceptions. + Copyright (C) 2001 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Philip Blundell <philb@gnu.org>, 2001. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include <fenv.h> +#include <fpu_control.h> + +int +feenableexcept (int excepts) +{ + unsigned long int new_exc, old_exc; + + _FPU_GETCW(new_exc); + + old_exc = (new_exc >> FE_EXCEPT_SHIFT) & FE_ALL_EXCEPT; + + excepts &= FE_ALL_EXCEPT; + + new_exc |= (excepts << FE_EXCEPT_SHIFT); + + _FPU_SETCW(new_exc); + + return old_exc; +} diff --git a/sysdeps/arm/fpu/fegetexcept.c b/sysdeps/arm/fpu/fegetexcept.c new file mode 100644 index 0000000000..eda7b6ddcc --- /dev/null +++ b/sysdeps/arm/fpu/fegetexcept.c @@ -0,0 +1,32 @@ +/* Get floating-point exceptions. + Copyright (C) 2001 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Philip Blundell <philb@gnu.org>, 2001 + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include <fenv.h> +#include <fpu_control.h> + +int +fegetexcept (void) +{ + unsigned long temp; + + _FPU_GETCW (temp); + + return (temp >> FE_EXCEPT_SHIFT) & FE_ALL_EXCEPT; +} |