1 files changed, 46 insertions, 0 deletions
diff --git a/sysdeps/s390/s390-32/bsd-_setjmp.S b/sysdeps/s390/s390-32/bsd-_setjmp.S
new file mode 100644
index 0000000..db07a3d
--- /dev/null
+++ b/sysdeps/s390/s390-32/bsd-_setjmp.S
@@ -0,0 +1,46 @@
+/* BSD `setjmp' entry point to `sigsetjmp (..., 1)'.  s390 version.
+   Copyright (C) 2000, 2001 Free Software Foundation, Inc.
+   Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
+   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 Library General Public License as
+   published by the Free Software Foundation   ; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+/* This just does a tail-call to `__sigsetjmp (ARG, 0)'.
+   We cannot do it in C because it must be a tail-call, so frame-unwinding
+   in setjmp doesn't clobber the state restored by longjmp.  */
+
+#include <sysdep.h>
+
+ENTRY(_setjmp)
+#ifdef PIC
+        /* We cannot use the PLT, because it requires that %r12 be set, but
+           we can't save and restore our caller's value.  Instead, we do an
+           indirect jump through the GOT. */
+        basr   %r1,0
+.L0:    al     %r1,.L1 - .L0(0,%r1) /* get address of global offset table */
+                                    /* get address of __sigjmp_save from got */
+	l      %r1,__sigjmp_save@GOT12(0,%r1)
+        lhi    %r3,0                /* second argument of one */
+        br     %r1
+.L1:    .long  _GLOBAL_OFFSET_TABLE_ - .L0
+#else
+        basr   %r1,0
+.L0:    l      %r1,.L1 - .L0(0,%r1) /* load address of __sigsetjmp */
+        lhi    %r3,0                /* second argument of zero */
+        br     %r1                  /* branch to __sigsetjmp */
+.L1:    .long  __sigsetjmp
+#endif
+END (_setjmp)