Implement RtlGetStackLimits() routine

xtoskrnl/rtl/i686/dispatch.c

@@ -0,0 +1,33 @@
+/**
+ * PROJECT:         ExectOS
+ * COPYRIGHT:       See COPYING.md in the top level directory
+ * FILE:            xtoskrnl/rtl/i686/dispatch.c
+ * DESCRIPTION:     Dispatching support for i686 architecture
+ * DEVELOPERS:      Rafal Kupiec <belliash@codingworkshop.eu.org>
+ */
+
+#include <xtos.h>
+
+
+/**
+ * Returns the stack limits for the current thread.
+ *
+ * @param StackBase
+ *        Supplies a pointer to memory area, where the stack base will be stored.
+ *
+ * @param StackLimit
+ *        Suppliws a pointer to memory area, where the stack limit will be stored.
+ *
+ * @return This routine does not return any value.
+ *
+ * @since XT 1.0
+ */
+XTAPI
+VOID
+RtlGetStackLimits(OUT PULONG_PTR StackBase,
+                  OUT PULONG_PTR StackLimit)
+{
+    PKTHREAD Thread = KeGetCurrentThread();
+    *StackBase = (ULONG_PTR)Thread->StackBase - sizeof(FX_SAVE_AREA);
+    *StackLimit = (ULONG_PTR)Thread->StackLimit;
+}