/* Internal support stuff for complete soft float. Copyright (C) 2002-2016 Free Software Foundation, Inc. Contributed by Aldy Hernandez , 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 . */ #if defined __NO_FPRS__ && !defined _SOFT_FLOAT # include #else # include 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 #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;