mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-15 17:40:06 +00:00
64 lines
2.3 KiB
C
64 lines
2.3 KiB
C
/* Internal support stuff for complete soft float.
|
|
Copyright (C) 2002-2017 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;
|