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authorThomas Schwinge <thomas@codesourcery.com>2013-12-20 09:29:29 +0100
committerThomas Schwinge <thomas@codesourcery.com>2013-12-20 09:29:29 +0100
commita65dd355fb80a05215e15ae97649de52aec885e3 (patch)
tree81701bb0c6b648630f2bf1729a85d7f5eb49e67b /sysdeps/powerpc/nofpu/soft-supp.h
parent296a5732f94abe4d5699dc981e4ccfb950b48cee (diff)
parentb4578bab30f72cddd2cf38abfb39f9c8dc892249 (diff)
Merge branch 'baseline' into refs/top-bases/tschwinge/Roger_Whittaker
Diffstat (limited to 'sysdeps/powerpc/nofpu/soft-supp.h')
-rw-r--r--sysdeps/powerpc/nofpu/soft-supp.h63
1 files changed, 63 insertions, 0 deletions
diff --git a/sysdeps/powerpc/nofpu/soft-supp.h b/sysdeps/powerpc/nofpu/soft-supp.h
new file mode 100644
index 0000000000..0a0614aa6a
--- /dev/null
+++ b/sysdeps/powerpc/nofpu/soft-supp.h
@@ -0,0 +1,63 @@
+/* Internal support stuff for complete soft float.
+ Copyright (C) 2002-2013 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;