initial import

1 files changed, 29 insertions, 0 deletions

diff --git a/sysdeps/alpha/setjmp.S b/sysdeps/alpha/setjmp.S
new file mode 100644
index 0000000000..08932ccd1a
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+++ b/sysdeps/alpha/setjmp.S
@@ -0,0 +1,29 @@
+/* Copyright (C) 1992, 1994 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 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., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#include <sysdep.h>
+
+/* The function __sigsetjmp_aux saves all the registers, but it can't
+   reliably access the stack or frame pointers, so we pass them in as
+   extra arguments.  */
+ENTRY (__sigsetjmp)
+	lda $27, __sigsetjmp_aux/* Load address to jump to.  */
+	bis $15, $15, $18	/* Pass FP as 3rd arg.  */
+	bis $30, $30, $19	/* Pass SP as 4th arg.  */
+	jmp $31, ($27), __sigsetjmp_aux /* Call __sigsetjmp_aux.  */
+	.end __sigsetjmp