Update copyright dates with scripts/update-copyrights.

[thirdparty/glibc.git] / sysdeps / powerpc / nofpu / sim-full.c

diff --git a/sysdeps/powerpc/nofpu/sim-full.c b/sysdeps/powerpc/nofpu/sim-full.c
index 32c71af6960ef5936cd0465b4a530d73d913e217..fa2ee3c75d287fa498a506cfb904d5b405591658 100644 (file)
--- a/sysdeps/powerpc/nofpu/sim-full.c
+++ b/sysdeps/powerpc/nofpu/sim-full.c
@@ -1,5 +1,5 @@
 /* Software floating-point exception handling emulation.
-   Copyright (C) 2002, 2004 Free Software Foundation, Inc.
+   Copyright (C) 2002-2020 Free Software Foundation, Inc.
    Contributed by Aldy Hernandez <aldyh@redhat.com>, 2002.
    This file is part of the GNU C Library.
 
@@ -15,27 +15,43 @@
 
    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/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #include <signal.h>
 #include "soft-fp.h"
 #include "soft-supp.h"
 
-/* Global to store sticky exceptions.  */
-int __sim_exceptions __attribute__ ((nocommon));
-libc_hidden_data_def (__sim_exceptions);
+/* Thread-local to store sticky exceptions.  */
+__thread int __sim_exceptions_thread __attribute__ ((nocommon));
+libc_hidden_tls_def (__sim_exceptions_thread);
 
 /* By default, no exceptions should trap.  */
-int __sim_disabled_exceptions = 0xffffffff;
-libc_hidden_data_def (__sim_disabled_exceptions);
+__thread int __sim_disabled_exceptions_thread = 0xffffffff;
+libc_hidden_tls_def (__sim_disabled_exceptions_thread);
 
-int __sim_round_mode __attribute__ ((nocommon));
-libc_hidden_data_def (__sim_round_mode);
+__thread int __sim_round_mode_thread __attribute__ ((nocommon));
+libc_hidden_tls_def (__sim_round_mode_thread);
+
+#if SIM_GLOBAL_COMPAT
+int __sim_exceptions_global __attribute__ ((nocommon));
+libc_hidden_data_def (__sim_exceptions_global);
+SIM_COMPAT_SYMBOL (__sim_exceptions_global, __sim_exceptions);
+
+int __sim_disabled_exceptions_global = 0xffffffff;
+libc_hidden_data_def (__sim_disabled_exceptions_global);
+SIM_COMPAT_SYMBOL (__sim_disabled_exceptions_global,
+                  __sim_disabled_exceptions);
+
+int __sim_round_mode_global __attribute__ ((nocommon));
+libc_hidden_data_def (__sim_round_mode_global);
+SIM_COMPAT_SYMBOL (__sim_round_mode_global, __sim_round_mode);
+#endif
 
 void
 __simulate_exceptions (int x)
 {
-  __sim_exceptions |= x;
-  if (x & ~__sim_disabled_exceptions)
+  __sim_exceptions_thread |= x;
+  SIM_SET_GLOBAL (__sim_exceptions_global, __sim_exceptions_thread);
+  if (x & ~__sim_disabled_exceptions_thread)
     raise (SIGFPE);
 }