commit f5bafb202aeed5f4bd12854452275bf70201dc63
author drusso <drusso@6a79697e-3843-0410-8446-a9668620458d> Mon Jul 20 15:47:42 2009 +0000
committer drusso <drusso@6a79697e-3843-0410-8446-a9668620458d> Mon Jul 20 15:47:42 2009 +0000
tree ea7bf7050e5a87930c80fc69942559ce57f7f90c
parent 4c84302102711994c98efbe9ffae6225c5836197

added ability to check stack pointer from an ISR

src/part2/examples/local/runtime/utils/Stack.c

diff --git a/src/part2/examples/local/runtime/utils/Stack.c b/src/part2/examples/local/runtime/utils/Stack.c
index 67a5f55..8726f07 100644
--- a/src/part2/examples/local/runtime/utils/Stack.c
+++ b/src/part2/examples/local/runtime/utils/Stack.c
@@ -35,6 +35,14 @@
 }
 
 /*
+ *  ======== Stack_check ========
+ */
+Bool Stack_check(void)
+{
+    Int sp;
+    return (&sp > &_stack);
+}
+/*
  *  ======== Stack_fill ========
  */
 Void Stack_fill(void)

src/part2/examples/local/runtime/utils/Stack.xdc

diff --git a/src/part2/examples/local/runtime/utils/Stack.xdc b/src/part2/examples/local/runtime/utils/Stack.xdc
index 386553c..0df5e86 100644
--- a/src/part2/examples/local/runtime/utils/Stack.xdc
+++ b/src/part2/examples/local/runtime/utils/Stack.xdc
@@ -28,6 +28,16 @@
     };
 
     /*!
+     *  ======== check ========
+     *  Return non-zero is stack pointer is within allocated stack
+     *
+     *  If this function returns 0, the current stack pointer is pointing
+     *  to a location _outside_ the caller's allocated stack.
+     */
+    @DirectCall
+    Bool check();
+
+    /*!
      *  ======== fill ========
      *  Fill unused stack with initial value
      *