1 files changed, 48 insertions, 0 deletions
diff --git a/libpthread/linuxthreads/sysdeps/frv/pt-machine.h b/libpthread/linuxthreads/sysdeps/frv/pt-machine.h
new file mode 100644
index 000000000..067928062
--- /dev/null
+++ b/libpthread/linuxthreads/sysdeps/frv/pt-machine.h
@@ -0,0 +1,48 @@
+/* Machine-dependent pthreads configuration and inline functions.
+   ARM version.
+   Copyright (C) 1997, 1998, 2000, 2002, 2003 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Alexandre Oliva <aoliva@redhat.com>
+
+   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; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#ifndef _PT_MACHINE_H
+#define _PT_MACHINE_H   1
+
+#ifndef PT_EI
+# define PT_EI extern inline
+#endif
+
+/* Get some notion of the current stack.  Need not be exactly the top
+   of the stack, just something somewhere in the current frame.  */
+#define CURRENT_STACK_FRAME  __builtin_frame_address (0)
+
+
+extern long int testandset (int *spinlock);
+
+/* Spinlock implementation; required.  */
+PT_EI long int
+testandset (int *spinlock)
+{
+  register long int ret = 1;
+
+  __asm__ __volatile__("swap%I1\t%M1,%0"
+		       : "+r"(ret), "+m"(*spinlock));
+
+  return ret;
+}
+
+#endif /* pt-machine.h */