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-rw-r--r--sysdeps/unix/sysv/linux/ia64/syscall.S33
1 files changed, 33 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/ia64/syscall.S b/sysdeps/unix/sysv/linux/ia64/syscall.S
new file mode 100644
index 0000000000..826f14cbd2
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/ia64/syscall.S
@@ -0,0 +1,33 @@
+/* Copyright (C) 1999-2014 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Jes Sorensen <Jes.Sorensen@cern.ch>.
+
+   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, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <sysdep.h>
+
+ENTRY(syscall)
+	/* We are called like so:
+	   {out0,out1,...,out6} registers -> {NR, arg1, ..., arg6}
+	   Shift the register window so that {out1...out6} are available
+	   in {out0...out5} like the kernel syscall handler expects.  */
+	alloc r2=ar.pfs,1,0,8,0
+	mov r15=r32		/* syscall number */
+	break __BREAK_SYSCALL
+	;;
+	cmp.ne p6,p0=-1,r10	/* r10 = -1 on error */
+(p6)	ret
+	br.cond.spnt.few __syscall_error
+PSEUDO_END(syscall)