1 | /* Store current floating-point environment. |
2 | Copyright (C) 1997-2024 Free Software Foundation, Inc. |
3 | This file is part of the GNU C Library. |
4 | |
5 | The GNU C Library is free software; you can redistribute it and/or |
6 | modify it under the terms of the GNU Lesser General Public |
7 | License as published by the Free Software Foundation; either |
8 | version 2.1 of the License, or (at your option) any later version. |
9 | |
10 | The GNU C Library is distributed in the hope that it will be useful, |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 | Lesser General Public License for more details. |
14 | |
15 | You should have received a copy of the GNU Lesser General Public |
16 | License along with the GNU C Library. If not, see |
17 | <https://www.gnu.org/licenses/>. */ |
18 | |
19 | #include <fenv.h> |
20 | |
21 | int |
22 | __fegetenv (fenv_t *envp) |
23 | { |
24 | #ifdef __mcoldfire__ |
25 | __asm__ ("fmove%.l %/fpcr,%0" : "=dm" (envp->__control_register)); |
26 | __asm__ ("fmove%.l %/fpsr,%0" : "=dm" (envp->__status_register)); |
27 | __asm__ ("fmove%.l %/fpiar,%0" : "=dm" (envp->__instruction_address)); |
28 | #else |
29 | __asm__ ("fmovem%.l %/fpcr/%/fpsr/%/fpiar,%0" : "=m" (*envp)); |
30 | #endif |
31 | |
32 | /* Success. */ |
33 | return 0; |
34 | } |
35 | |
36 | #include <shlib-compat.h> |
37 | #if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2) |
38 | strong_alias (__fegetenv, __old_fegetenv) |
39 | compat_symbol (libm, __old_fegetenv, fegetenv, GLIBC_2_1); |
40 | #endif |
41 | |
42 | libm_hidden_def (__fegetenv) |
43 | libm_hidden_ver (__fegetenv, fegetenv) |
44 | versioned_symbol (libm, __fegetenv, fegetenv, GLIBC_2_2); |
45 | |