1 files changed, 46 insertions, 0 deletions
diff --git a/linuxthreads/sysdeps/sh/pt-machine.h b/linuxthreads/sysdeps/sh/pt-machine.h
new file mode 100644
index 0000000000..1fc9c47773
--- /dev/null
+++ b/linuxthreads/sysdeps/sh/pt-machine.h
@@ -0,0 +1,46 @@
+/* Machine-dependent pthreads configuration and inline functions.
+   SuperH version.
+   Copyright (C) 1999, 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Niibe Yutaka <gniibe@m17n.org>.
+
+   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.  */
+
+#ifndef PT_EI
+# define PT_EI extern inline
+#endif
+
+/* Spinlock implementation; required.  */
+PT_EI int
+testandset (int *spinlock)
+{
+  int ret;
+
+  __asm__ __volatile__(
+       "tas.b	%1\n\t"
+       "movt	%0"
+       : "=z" (ret), "=m" (*spinlock)
+       : /* "1" (*spinlock) */
+       : "memory", "cc");
+
+  return ret;
+}
+
+
+/* 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  stack_pointer
+register char * stack_pointer __asm__ ("r15");