1 files changed, 71 insertions, 0 deletions
diff --git a/gcc-4.2.1-5666.3/libgomp/config/linux/ia64/futex.h b/gcc-4.2.1-5666.3/libgomp/config/linux/ia64/futex.h
new file mode 100644
index 000000000..5e54982d6
--- /dev/null
+++ b/gcc-4.2.1-5666.3/libgomp/config/linux/ia64/futex.h
@@ -0,0 +1,71 @@
+/* Copyright (C) 2005 Free Software Foundation, Inc.
+   Contributed by Richard Henderson <rth@redhat.com>.
+
+   This file is part of the GNU OpenMP Library (libgomp).
+
+   Libgomp 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.
+
+   Libgomp 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 libgomp; see the file COPYING.LIB.  If not, write to the
+   Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+   MA 02110-1301, USA.  */
+
+/* As a special exception, if you link this library with other files, some
+   of which are compiled with GCC, to produce an executable, this library
+   does not by itself cause the resulting executable to be covered by the
+   GNU General Public License.  This exception does not however invalidate
+   any other reasons why the executable file might be covered by the GNU
+   General Public License.  */
+
+/* Provide target-specific access to the futex system call.  */
+
+#include <sys/syscall.h>
+
+#define FUTEX_WAIT	0
+#define FUTEX_WAKE	1
+
+
+static inline void
+sys_futex0(int *addr, int op, int val)
+{
+  register long out0 asm ("out0") = (long) addr;
+  register long out1 asm ("out1") = op;
+  register long out2 asm ("out2") = val;
+  register long out3 asm ("out3") = 0;
+  register long r15 asm ("r15") = SYS_futex;
+
+  __asm __volatile ("break 0x100000"
+	: "=r"(r15), "=r"(out0), "=r"(out1), "=r"(out2), "=r"(out3)
+	: "r"(r15), "r"(out0), "r"(out1), "r"(out2), "r"(out3)
+        : "memory", "r8", "r10", "out4", "out5", "out6", "out7",
+	  /* Non-stacked integer registers, minus r8, r10, r15.  */
+	  "r2", "r3", "r9", "r11", "r12", "r13", "r14", "r16", "r17", "r18",
+	  "r19", "r20", "r21", "r22", "r23", "r24", "r25", "r26", "r27",
+	  "r28", "r29", "r30", "r31",
+	  /* Predicate registers.  */
+	  "p6", "p7", "p8", "p9", "p10", "p11", "p12", "p13", "p14", "p15",
+	  /* Non-rotating fp registers.  */
+	  "f6", "f7", "f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15",
+	  /* Branch registers.  */
+	  "b6");
+}
+
+static inline void
+futex_wait (int *addr, int val)
+{
+  sys_futex0 (addr, FUTEX_WAIT, val);
+}
+
+static inline void
+futex_wake (int *addr, int count)
+{
+  sys_futex0 (addr, FUTEX_WAKE, count);
+}