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64 lines
2.3 KiB
C
64 lines
2.3 KiB
C
/* Internal support stuff for complete soft float.
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Copyright (C) 2002-2020 Free Software Foundation, Inc.
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Contributed by Aldy Hernandez <aldyh@redhat.com>, 2002.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library. If not, see
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<https://www.gnu.org/licenses/>. */
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#if defined __NO_FPRS__ && !defined _SOFT_FLOAT
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# include <fenv_libc.h>
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#else
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# include <fenv.h>
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typedef union
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{
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fenv_t fenv;
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unsigned int l[2];
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} fenv_union_t;
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#endif
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extern __thread int __sim_exceptions_thread attribute_tls_model_ie;
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libc_hidden_tls_proto (__sim_exceptions_thread, tls_model ("initial-exec"));
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extern __thread int __sim_disabled_exceptions_thread attribute_tls_model_ie;
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libc_hidden_tls_proto (__sim_disabled_exceptions_thread,
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tls_model ("initial-exec"));
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extern __thread int __sim_round_mode_thread attribute_tls_model_ie;
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libc_hidden_tls_proto (__sim_round_mode_thread, tls_model ("initial-exec"));
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/* These variables were formerly global, so there are compat symbols
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for global versions as well. */
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#include <shlib-compat.h>
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#define SIM_GLOBAL_COMPAT SHLIB_COMPAT (libc, GLIBC_2_3_2, GLIBC_2_19)
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#if SIM_GLOBAL_COMPAT
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extern int __sim_exceptions_global;
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libc_hidden_proto (__sim_exceptions_global);
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extern int __sim_disabled_exceptions_global ;
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libc_hidden_proto (__sim_disabled_exceptions_global);
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extern int __sim_round_mode_global;
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libc_hidden_proto (__sim_round_mode_global);
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# define SIM_COMPAT_SYMBOL(GLOBAL_NAME, NAME) \
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compat_symbol (libc, GLOBAL_NAME, NAME, GLIBC_2_3_2)
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# define SIM_SET_GLOBAL(GLOBAL_VAR, THREAD_VAR) ((GLOBAL_VAR) = (THREAD_VAR))
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#else
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# define SIM_SET_GLOBAL(GLOBAL_VAR, THREAD_VAR) ((void) 0)
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#endif
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extern void __simulate_exceptions (int x) attribute_hidden;
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