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author | Thomas Schwinge <thomas@codesourcery.com> | 2013-12-20 09:31:59 +0100 |
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committer | Thomas Schwinge <thomas@codesourcery.com> | 2013-12-20 09:31:59 +0100 |
commit | ddd183dfa34297ea2660882ba01f9f9cbb59f646 (patch) | |
tree | 739b491c60afdc13c6af161d94958dda42f6a00a /sysdeps/powerpc/powerpc32/e500/nofpu/fexcepts_from_prctl.c | |
parent | 9ffaf99a07ea17353af001d081ac56dad908ae49 (diff) | |
parent | 2f039f057ed773214e104983a07da7a566962d7a (diff) |
Merge commit 'refs/top-bases/t/hurdsig-global-dispositions' into t/hurdsig-global-dispositions
Diffstat (limited to 'sysdeps/powerpc/powerpc32/e500/nofpu/fexcepts_from_prctl.c')
-rw-r--r-- | sysdeps/powerpc/powerpc32/e500/nofpu/fexcepts_from_prctl.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/sysdeps/powerpc/powerpc32/e500/nofpu/fexcepts_from_prctl.c b/sysdeps/powerpc/powerpc32/e500/nofpu/fexcepts_from_prctl.c new file mode 100644 index 0000000000..c094a04cbd --- /dev/null +++ b/sysdeps/powerpc/powerpc32/e500/nofpu/fexcepts_from_prctl.c @@ -0,0 +1,42 @@ +/* Convert floating-point exceptions from prctl form. + Copyright (C) 2013 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 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, see + <http://www.gnu.org/licenses/>. */ + +#include <fenv_libc.h> +#include <sys/prctl.h> + +/* Convert EXCEPTS from prctl bits to FE_* form, returning the + converted value. */ + +int +__fexcepts_from_prctl (int excepts) +{ + int result = 0; + if (excepts & PR_FP_EXC_OVF) + result |= FE_OVERFLOW; + if (excepts & PR_FP_EXC_UND) + result |= FE_UNDERFLOW; + if (excepts & PR_FP_EXC_INV) + result |= FE_INVALID; + if (excepts & PR_FP_EXC_DIV) + result |= FE_DIVBYZERO; + if (excepts & PR_FP_EXC_RES) + result |= FE_INEXACT; + return result; +} + +libm_hidden_def (__fexcepts_from_prctl) |