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author | Ulrich Drepper <drepper@redhat.com> | 1998-05-21 15:40:14 +0000 |
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committer | Ulrich Drepper <drepper@redhat.com> | 1998-05-21 15:40:14 +0000 |
commit | 23f0c99c0eb54cd481167d5927dafc1650bcbca1 (patch) | |
tree | cd1db4054738b46da815bf3a258b143b20063170 /sysdeps/arm/fpu/bits/fenv.h | |
parent | 32c85e43ed25cc954cb9ba62a6aad7c9338a2a08 (diff) | |
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Update.
1998-05-21 15:27 Ulrich Drepper <drepper@cygnus.com>
* wcsmbs/wcsnrtombs.c: Correct computation of result.
* wcsmbs/wcsrtombs.c: Likewise.
* wcsmbs/Makefile (tests): Add wcsmbs-tst1.c.
* wcsmbs/wcsmbs-tst1.c: New file.
* iconv/loop.c (COUNT_CONVERTED): Correct computation.
* locale/C-ctype.c (_nl_C_LC_CTYPE): Define MB_CUR_MAX for C locale
as 1.
* locale/setlocale.c: Don't make _nl_current_* and _nl_C_* references
weak.
1998-05-21 Philip Blundell <philb@gnu.org>
* sysdeps/arm/fpu_control.h: Replace stub file with real
implementation.
* sysdeps/arm/fpu/bits/fenv.h: New file.
* sysdeps/arm/fpu/fesetround.c: Likewise.
* sysdeps/arm/fpu/fclrexcpt.c: Likewise.
* sysdeps/arm/fpu/fsetexcptflag.c: Likewise.
* sysdeps/arm/fpu/ftestexcpt.c: Likewise.
* sysdeps/arm/fpu/fraiseexcpt.c: Likewise.
* sysdeps/arm/fpu/fegetenv.c: Likewise.
* sysdeps/arm/fpu/fesetenv.c: Likewise.
1998-05-21 16:34 Richard Henderson <rth@cygnus.com>
* elf/dl-load.c (_dl_map_object_from_fd): Get file header with
read instead of mmap.
Diffstat (limited to 'sysdeps/arm/fpu/bits/fenv.h')
-rw-r--r-- | sysdeps/arm/fpu/bits/fenv.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/sysdeps/arm/fpu/bits/fenv.h b/sysdeps/arm/fpu/bits/fenv.h new file mode 100644 index 0000000000..17b9702751 --- /dev/null +++ b/sysdeps/arm/fpu/bits/fenv.h @@ -0,0 +1,58 @@ +/* Copyright (C) 1997, 1998 Free Software Foundation, Inc. + 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 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. */ + +#ifndef _FENV_H +# error "Never use <bits/fenv.h> directly; include <fenv.h> instead." +#endif + +/* Define bits representing exceptions in the FPU status word. */ +enum + { + FE_INVALID = 1, +#define FE_INVALID FE_INVALID + FE_DIVBYZERO = 2, +#define FE_DIVBYZERO FE_DIVBYZERO + FE_OVERFLOW = 4, +#define FE_OVERFLOW FE_OVERFLOW + FE_UNDERFLOW = 8, +#define FE_UNDERFLOW FE_UNDERFLOW + }; + +/* Amount to shift by to convert an exception to a mask bit. */ +#define FE_EXCEPTION_SHIFT 16 + +/* All supported exceptions. */ +#define FE_ALL_EXCEPT \ + (FE_INVALID | FE_DIVBYZERO | FE_OVERFLOW | FE_UNDERFLOW) + +/* The ARM FPU basically only supports round-to-nearest. Other rounding + modes exist, but you have to encode them in the actual instruction. */ +#define FE_TONEAREST 0 + +/* Type representing exception flags. */ +typedef unsigned long fexcept_t; + +/* Type representing floating-point environment. */ +typedef struct + { + unsigned long cw; + } +fenv_t; + +/* If the default argument is used we use this value. */ +#define FE_DFL_ENV ((fenv_t *) -1l) |