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-rw-r--r--sysdeps/s390/bits/setjmp.h59
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diff --git a/sysdeps/s390/bits/setjmp.h b/sysdeps/s390/bits/setjmp.h
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+/* Copyright (C) 2000, 2001, 2002 Free Software Foundation, Inc.
+   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, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+/* Define the machine-dependent type `jmp_buf'.  IBM s390 version.  */
+
+#ifndef __S390_SETJMP_H__
+#define __S390_SETJMP_H__
+
+#include <bits/wordsize.h>
+
+#define __JB_GPR6	0
+#define __JB_GPR7	1
+#define __JB_GPR8	2
+#define __JB_GPR9	3
+#define __JB_GPR10	4
+#define __JB_GPR11	5
+#define __JB_GPR12	6
+#define __JB_GPR13	7
+#define __JB_GPR14	8
+#define __JB_GPR15	9
+
+#ifndef	_ASM
+
+typedef struct {
+    /* We save registers 6-15.  */
+    long int __gregs[10];
+
+#if __WORDSIZE == 64
+   /* We save fpu registers 1, 3, 5 and 7.  */
+    long __fpregs[8];
+#else
+    /* We save fpu registers 4 and 6.  */
+    long __fpregs[4];
+#endif
+} __jmp_buf[1];
+
+#endif
+
+/* Test if longjmp to JMPBUF would unwind the frame
+   containing a local variable at ADDRESS.  */
+#define _JMPBUF_UNWINDS(jmpbuf, address) \
+  ((void *) (address) < (void *) (jmpbuf)->__gregs[__JB_GPR15])
+
+#endif /* __S390_SETJMP_H__ */