Update copyright dates with scripts/update-copyrights.

[thirdparty/glibc.git] / sysdeps / mips / mips64 / __longjmp.c

diff --git a/sysdeps/mips/mips64/__longjmp.c b/sysdeps/mips/mips64/__longjmp.c
index 546493f8420f12cdda604f9d4452a6a13fa1a41f..d4947be7f32648e098841c647a56de62765ac628 100644 (file)
--- a/sysdeps/mips/mips64/__longjmp.c
+++ b/sysdeps/mips/mips64/__longjmp.c
@@ -1,5 +1,4 @@
-/* Copyright (C) 1992, 1995, 1997, 2000, 2003, 2004
-   Free Software Foundation, Inc.
+/* Copyright (C) 1992-2019 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Brendan Kehoe (brendan@zen.org).
 
@@ -14,31 +13,32 @@
    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, write to the Free
-   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
-   02111-1307 USA.  */
+   License along with the GNU C Library.  If not, see
+   <http://www.gnu.org/licenses/>.  */
 
 #include <setjmp.h>
 #include <sgidefs.h>
 #include <stdlib.h>
 
-#undef __longjmp
-
 #ifndef        __GNUC__
   #error This file uses GNU C extensions; you must compile with GCC.
 #endif
 
 void
-__longjmp (env, val_arg)
-     __jmp_buf env;
-     int val_arg;
+__longjmp (__jmp_buf env_arg, int val_arg)
 {
   /* gcc 1.39.19 miscompiled the longjmp routine (as it did setjmp before
      the hack around it); force it to use $a1 for the longjmp value.
      Without this it saves $a1 in a register which gets clobbered
      along the way.  */
+  register struct __jmp_buf_internal_tag *env asm ("a0");
   register int val asm ("a1");
+#ifdef CHECK_SP
+  register long long sp asm ("$29");
+  CHECK_SP (env[0].__sp, sp, long long);
+#endif
 
+#ifdef __mips_hard_float
   /* Pull back the floating point callee-saved registers.  */
 #if _MIPS_SIM == _ABI64
   asm volatile ("l.d $f24, %0" : : "m" (env[0].__fpregs[0]));
@@ -57,10 +57,7 @@ __longjmp (env, val_arg)
   asm volatile ("l.d $f28, %0" : : "m" (env[0].__fpregs[4]));
   asm volatile ("l.d $f30, %0" : : "m" (env[0].__fpregs[5]));
 #endif
-
-  /* Get and reconstruct the floating point csr.  */
-  asm volatile ("lw $2, %0" : : "m" (env[0].__fpc_csr));
-  asm volatile ("ctc1 $2, $31");
+#endif
 
   /* Get the GP. */
   asm volatile ("ld $gp, %0" : : "m" (env[0].__gp));