| 1 | /* Install given floating-point environment and raise exceptions |
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| 2 | (soft-float edition). |
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| 3 | Copyright (C) 2002-2024 Free Software Foundation, Inc. |
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| 4 | This file is part of the GNU C Library. |
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| 5 | |
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| 6 | The GNU C Library is free software; you can redistribute it and/or |
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| 7 | modify it under the terms of the GNU Lesser General Public |
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| 8 | License as published by the Free Software Foundation; either |
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| 9 | version 2.1 of the License, or (at your option) any later version. |
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| 10 | |
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| 11 | The GNU C Library is distributed in the hope that it will be useful, |
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| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 14 | Lesser General Public License for more details. |
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| 15 | |
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| 16 | You should have received a copy of the GNU Lesser General Public |
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| 17 | License along with the GNU C Library. If not, see |
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| 18 | <https://www.gnu.org/licenses/>. */ |
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| 19 | |
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| 20 | #include "soft-fp.h" |
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| 21 | #include "soft-supp.h" |
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| 22 | #include <signal.h> |
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| 23 | |
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| 24 | int |
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| 25 | __feupdateenv (const fenv_t *envp) |
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| 26 | { |
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| 27 | int saved_exceptions; |
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| 28 | |
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| 29 | /* Save currently set exceptions. */ |
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| 30 | saved_exceptions = __sim_exceptions_thread; |
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| 31 | |
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| 32 | /* Set environment. */ |
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| 33 | __fesetenv (envp: envp); |
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| 34 | |
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| 35 | /* Raise old exceptions. */ |
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| 36 | __sim_exceptions_thread |= saved_exceptions; |
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| 37 | SIM_SET_GLOBAL (__sim_exceptions_global, __sim_exceptions_thread); |
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| 38 | if (saved_exceptions & ~__sim_disabled_exceptions_thread) |
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| 39 | raise (SIGFPE); |
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| 40 | |
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| 41 | return 0; |
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| 42 | } |
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| 43 | |
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| 44 | #include <shlib-compat.h> |
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| 45 | #if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2) |
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| 46 | strong_alias (__feupdateenv, __old_feupdateenv) |
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| 47 | compat_symbol (libm, __old_feupdateenv, feupdateenv, GLIBC_2_1); |
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| 48 | #endif |
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| 49 | |
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| 50 | libm_hidden_def (__feupdateenv) |
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| 51 | libm_hidden_ver (__feupdateenv, feupdateenv) |
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| 52 | versioned_symbol (libm, __feupdateenv, feupdateenv, GLIBC_2_2); |
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| 53 | |
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