1 files changed, 50 insertions, 0 deletions
diff --git a/gcc-4.8/libjava/sysdep/sh/locks.h b/gcc-4.8/libjava/sysdep/sh/locks.h
new file mode 100644
index 000000000..727c3aa87
--- /dev/null
+++ b/gcc-4.8/libjava/sysdep/sh/locks.h
@@ -0,0 +1,50 @@
+// locks.h - Thread synchronization primitives. SuperH implementation.
+
+/* Copyright (C) 2002, 2007  Free Software Foundation
+
+   This file is part of libgcj.
+
+This software is copyrighted work licensed under the terms of the
+Libgcj License.  Please consult the file "LIBGCJ_LICENSE" for
+details.  */
+
+#ifndef __SYSDEP_LOCKS_H__
+#define __SYSDEP_LOCKS_H__
+
+typedef size_t obj_addr_t;	/* Integer type big enough for object	*/
+				/* address.				*/
+
+inline static bool
+compare_and_swap (volatile obj_addr_t *addr, obj_addr_t old,
+		  obj_addr_t new_val)
+{
+  return __sync_bool_compare_and_swap (addr, old, new_val);
+}
+
+inline static void
+release_set (volatile obj_addr_t *addr, obj_addr_t new_val)
+{
+  __asm__ __volatile__ (" " : : : "memory");
+  *(addr) = new_val;
+}
+
+inline static bool
+compare_and_swap_release (volatile obj_addr_t *addr, obj_addr_t old,
+			  obj_addr_t new_val)
+{
+  return compare_and_swap (addr, old, new_val);
+}
+
+inline static void
+read_barrier()
+{
+  __asm__ __volatile__(" " : : : "memory");
+}
+
+inline static void
+write_barrier()
+{
+  __asm__ __volatile__(" " : : : "memory");
+}
+
+#endif /* ! __SYSDEP_LOCKS_H__ */