diff --git a/debug/org.eclipse.cdt.debug.core/ChangeLog b/debug/org.eclipse.cdt.debug.core/ChangeLog
index 2b62b7473ff..35887993214 100644
--- a/debug/org.eclipse.cdt.debug.core/ChangeLog
+++ b/debug/org.eclipse.cdt.debug.core/ChangeLog
@@ -1,3 +1,12 @@
+2004-11-19 Alain Magloire
+
+	Clear the confusion about sublist of stackframes.
+	PR 78611
+
+	* cdi/org/eclipse/cdt/debug/core/cdi/model/ICDIStackFrame.java
+	* cdi/org/eclipse/cdt/debug/core/cdi/model/ICDIThread.java
+	* src/org/eclipse/cdt/debug/internal/model/CThread.java
+
 2004-11-17 David Inglis
 	
 	Change debug target to use IBinaryObject instead of IBinaryExecutable
diff --git a/debug/org.eclipse.cdt.debug.core/cdi/org/eclipse/cdt/debug/core/cdi/model/ICDIStackFrame.java b/debug/org.eclipse.cdt.debug.core/cdi/org/eclipse/cdt/debug/core/cdi/model/ICDIStackFrame.java
index 0e4ca2527a8..410001d8cff 100644
--- a/debug/org.eclipse.cdt.debug.core/cdi/org/eclipse/cdt/debug/core/cdi/model/ICDIStackFrame.java
+++ b/debug/org.eclipse.cdt.debug.core/cdi/org/eclipse/cdt/debug/core/cdi/model/ICDIStackFrame.java
@@ -58,7 +58,7 @@ public interface ICDIStackFrame extends ICDIExecuteStepReturn, ICDIObject {
 	ICDIThread getThread();
 
 	/**
-	 * Returns the level of the stack frame.
+	 * Returns the level of the stack frame, 1 based.
 	 * 
 	 * @return the level of the stack frame 
 	 */
diff --git a/debug/org.eclipse.cdt.debug.core/cdi/org/eclipse/cdt/debug/core/cdi/model/ICDIThread.java b/debug/org.eclipse.cdt.debug.core/cdi/org/eclipse/cdt/debug/core/cdi/model/ICDIThread.java
index b890e6021cd..86591b3214e 100644
--- a/debug/org.eclipse.cdt.debug.core/cdi/org/eclipse/cdt/debug/core/cdi/model/ICDIThread.java
+++ b/debug/org.eclipse.cdt.debug.core/cdi/org/eclipse/cdt/debug/core/cdi/model/ICDIThread.java
@@ -36,16 +36,19 @@ public interface ICDIThread extends ICDIExecuteStep, ICDIExecuteResume, ICDISusp
 	ICDIStackFrame[] getStackFrames() throws CDIException;
 
 	/**
-	 * Returns the stack frames contained in this thread whose levels
-	 * are between the two arguments(inclusive).
+	 * Returns the stack frames contained in this thread between the specified
+     * <tt>fromIndex</tt>, inclusive, and <tt>toIndex</tt>, exclusive.
 	 * An empty collection is returned if this thread contains
 	 * no stack frames, or is not currently suspended. Stack frames
 	 * are returned in top down order.
 	 * 
 	 * @return  a collection of stack frames
 	 * @throws CDIException if this method fails.  Reasons include:
+	 * @throws IndexOutOfBoundsException for an illegal endpoint index value
+     *     (fromIndex &lt; 0 || toIndex &gt; size || fromIndex &gt; toIndex).
+ 
 	 */
-	ICDIStackFrame[] getStackFrames(int lowFrame, int highFrame) throws CDIException;
+	ICDIStackFrame[] getStackFrames(int fromIndex, int len) throws CDIException;
 
 	/**
 	 * Returns the depth of the stack frames.
diff --git a/debug/org.eclipse.cdt.debug.core/src/org/eclipse/cdt/debug/internal/core/model/CThread.java b/debug/org.eclipse.cdt.debug.core/src/org/eclipse/cdt/debug/internal/core/model/CThread.java
index 5d7b46320ba..e5a9a415e24 100644
--- a/debug/org.eclipse.cdt.debug.core/src/org/eclipse/cdt/debug/internal/core/model/CThread.java
+++ b/debug/org.eclipse.cdt.debug.core/src/org/eclipse/cdt/debug/internal/core/model/CThread.java
@@ -154,7 +154,7 @@ public class CThread extends CDebugElement implements ICThread, IRestart, IResum
 					}
 				}
 				int depth = getStackDepth();
-				ICDIStackFrame[] frames = (depth != 0) ? getCDIStackFrames( 0, (depth > getMaxStackDepth()) ? getMaxStackDepth() - 1 : depth - 1 ) : new ICDIStackFrame[0];
+				ICDIStackFrame[] frames = (depth != 0) ? getCDIStackFrames( 0, (depth > getMaxStackDepth()) ? getMaxStackDepth() : depth ) : new ICDIStackFrame[0];
 				if ( fStackFrames.isEmpty() ) {
 					addStackFrames( frames, 0, frames.length );
 				}