1 files changed, 44 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/sparc64/longjmp.S b/sysdeps/unix/sysv/linux/sparc64/longjmp.S
new file mode 100644
index 0000000000..c81b10495e
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/sparc64/longjmp.S
@@ -0,0 +1,44 @@
+/* Copyright (C) 1997 Free Software Foundation, Inc.
+   Contributed by Richard Henderson (rth@tamu.edu).
+
+   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.  */
+
+/* longjmp is implemented in terms of the setcontext trap on Linux/Sparc64.  */
+
+#include <sysdep.h>
+
+/* Offsets into the jmp_buf structure.  */
+
+#define O_mask_was_saved	512
+#define O_gregs			32
+#define O_g1			(O_gregs + 4*8)
+
+
+/* void longjmp (sigjmp_buf env, int val) */
+
+ENTRY(longjmp)
+
+	/* Modify the context with the value we want to return.  */
+	movre	%o1, 1, %o1
+	stx	%o1, [%o0 + O_g1]
+
+	/* Let setcontext know if we want to modify the current sigmask. */
+	ld	[%o0 + O_mask_was_saved], %o1
+
+	/* And bamf back to where we belong!  */
+	ta	0x6f
+
+END(longjmp)