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-rw-r--r--sysdeps/s390/s390-64/elf/setjmp.S53
1 files changed, 53 insertions, 0 deletions
diff --git a/sysdeps/s390/s390-64/elf/setjmp.S b/sysdeps/s390/s390-64/elf/setjmp.S
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+++ b/sysdeps/s390/s390-64/elf/setjmp.S
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+/* setjmp for 64 bit S/390, ELF version.
+   Copyright (C) 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.  */
+
+#include <sysdep.h>
+#define _ASM
+#define _SETJMP_H
+#include <bits/setjmp.h>
+
+	/* We include the BSD entry points here as well but we make
+	   them weak.  */
+ENTRY (setjmp)
+	.weak C_SYMBOL_NAME (setjmp)
+        lghi   %r3,1                /* Second argument of one.  */
+        j      .Linternal_sigsetjmp /* Branch relativ to __sigsetjmp.  */
+END (setjmp)
+
+	/* Binary compatibility entry point.  */
+ENTRY(_setjmp)
+        .weak  C_SYMBOL_NAME (_setjmp)
+ENTRY(__setjmp)
+        slgr   %r3,%r3              /* Second argument of zero.  */
+
+ENTRY(__sigsetjmp)
+.Linternal_sigsetjmp:
+        stmg   %r6,%r15,0(%r2)      /* Store registers in jmp_buf.  */
+	std    %f1,80(%r2)
+	std    %f3,88(%r2)
+	std    %f5,96(%r2)
+	std    %f7,104(%r2)
+#ifdef PIC
+        jg     __sigjmp_save@PLT    /* Branch to PLT of __sigsetjmp.  */
+#else
+	jg     __sigjmp_save
+#endif
+END (__sigsetjmp)
+