1 files changed, 95 insertions, 0 deletions
diff --git a/c/src/exec/score/include/rtems/score/stack.h b/c/src/exec/score/include/rtems/score/stack.h
new file mode 100644
index 0000000000..a0fce1ef04
--- /dev/null
+++ b/c/src/exec/score/include/rtems/score/stack.h
@@ -0,0 +1,95 @@
+/*  stack.h
+ *
+ *  This include file contains all information about the thread
+ *  Stack Handler.  This Handler provides mechanisms which can be used to
+ *  initialize and utilize stacks.
+ *
+ *  COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994.
+ *  On-Line Applications Research Corporation (OAR).
+ *  All rights assigned to U.S. Government, 1994.
+ *
+ *  This material may be reproduced by or for the U.S. Government pursuant
+ *  to the copyright license under the clause at DFARS 252.227-7013.  This
+ *  notice must appear in all copies of this file and its derivatives.
+ *
+ *  $Id$
+ */
+
+#ifndef __RTEMS_STACK_h
+#define __RTEMS_STACK_h
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ *  The following constant defines the minimum stack size which every
+ *  thread must exceed.
+ */
+
+#define RTEMS_MINIMUM_STACK_SIZE  CPU_STACK_MINIMUM_SIZE
+
+/*
+ *  The following defines the control block used to manage each stack.
+ */
+
+typedef struct {
+  unsigned32  size;        /* stack size */
+  void       *area;        /* low memory addr of stack */
+}   Stack_Control;
+
+/*
+ *  _Stack_Initialize
+ *
+ *  DESCRIPTION:
+ *
+ *  This routine initializes the_stack record to indicate that
+ *  size bytes of memory starting at starting_address have been
+ *  reserved for a stack.
+ */
+
+STATIC INLINE void _Stack_Initialize (
+  Stack_Control    *the_stack,
+  void             *starting_address,
+  unsigned32        size
+);
+
+/*
+ *  _Stack_Is_enough
+ *
+ *  DESCRIPTION:
+ *
+ *  This function returns TRUE if size bytes is enough memory for
+ *  a valid stack area on this processor, and FALSE otherwise.
+ */
+
+STATIC INLINE boolean _Stack_Is_enough (
+  unsigned32 size
+);
+
+/*
+ *  _Stack_Adjust_size
+ *
+ *  DESCRIPTION:
+ *
+ *  This function increases the stack size to insure that the thread
+ *  has the desired amount of stack space after the initial stack
+ *  pointer is determined based on alignment restrictions.
+ *
+ *  NOTE:
+ *
+ *  The amount of adjustment for alignment is CPU dependent.
+ */
+
+STATIC INLINE unsigned32 _Stack_Adjust_size (
+  unsigned32 size
+);
+
+#include <rtems/stack.inl>
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+/* end of include file */