| /* Internal support stuff for complete soft float. |
| Copyright (C) 2002-2018 Free Software Foundation, Inc. |
| Contributed by Aldy Hernandez <aldyh@redhat.com>, 2002. |
| 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/>. */ |
| |
| #if defined __NO_FPRS__ && !defined _SOFT_FLOAT |
| |
| # include <fenv_libc.h> |
| |
| #else |
| |
| # include <fenv.h> |
| |
| typedef union |
| { |
| fenv_t fenv; |
| unsigned int l[2]; |
| } fenv_union_t; |
| |
| #endif |
| |
| extern __thread int __sim_exceptions_thread attribute_tls_model_ie; |
| libc_hidden_tls_proto (__sim_exceptions_thread, tls_model ("initial-exec")); |
| extern __thread int __sim_disabled_exceptions_thread attribute_tls_model_ie; |
| libc_hidden_tls_proto (__sim_disabled_exceptions_thread, |
| tls_model ("initial-exec")); |
| extern __thread int __sim_round_mode_thread attribute_tls_model_ie; |
| libc_hidden_tls_proto (__sim_round_mode_thread, tls_model ("initial-exec")); |
| |
| /* These variables were formerly global, so there are compat symbols |
| for global versions as well. */ |
| |
| #include <shlib-compat.h> |
| #define SIM_GLOBAL_COMPAT SHLIB_COMPAT (libc, GLIBC_2_3_2, GLIBC_2_19) |
| #if SIM_GLOBAL_COMPAT |
| extern int __sim_exceptions_global; |
| libc_hidden_proto (__sim_exceptions_global); |
| extern int __sim_disabled_exceptions_global ; |
| libc_hidden_proto (__sim_disabled_exceptions_global); |
| extern int __sim_round_mode_global; |
| libc_hidden_proto (__sim_round_mode_global); |
| # define SIM_COMPAT_SYMBOL(GLOBAL_NAME, NAME) \ |
| compat_symbol (libc, GLOBAL_NAME, NAME, GLIBC_2_3_2) |
| # define SIM_SET_GLOBAL(GLOBAL_VAR, THREAD_VAR) ((GLOBAL_VAR) = (THREAD_VAR)) |
| #else |
| # define SIM_SET_GLOBAL(GLOBAL_VAR, THREAD_VAR) ((void) 0) |
| #endif |
| |
| extern void __simulate_exceptions (int x) attribute_hidden; |