# HG changeset patch
# User Josef Eisl <josef.eisl@jku.at>
# Date 1416939648 -3600
# Node ID a21a4039ce7bd6708657a7f50ef8907e2fc75fce
# Parent  bcf66634c55c1dcde01e0f5072c999c1fb2d0651
Add javadoc for StackSlotValue and VirtualStackSlot.

diff -r bcf66634c55c -r a21a4039ce7b graal/com.oracle.graal.api.code/src/com/oracle/graal/api/code/StackSlotValue.java
--- a/graal/com.oracle.graal.api.code/src/com/oracle/graal/api/code/StackSlotValue.java	Tue Nov 25 15:23:40 2014 +0100
+++ b/graal/com.oracle.graal.api.code/src/com/oracle/graal/api/code/StackSlotValue.java	Tue Nov 25 19:20:48 2014 +0100
@@ -24,6 +24,10 @@
 
 import com.oracle.graal.api.meta.*;
 
+/**
+ * Common base class for {@linkplain StackSlot real} and {@linkplain VirtualStackSlot virtual} stack
+ * slots.
+ */
 public abstract class StackSlotValue extends AllocatableValue {
 
     private static final long serialVersionUID = 5106407801795483337L;
diff -r bcf66634c55c -r a21a4039ce7b graal/com.oracle.graal.api.code/src/com/oracle/graal/api/code/VirtualStackSlot.java
--- a/graal/com.oracle.graal.api.code/src/com/oracle/graal/api/code/VirtualStackSlot.java	Tue Nov 25 15:23:40 2014 +0100
+++ b/graal/com.oracle.graal.api.code/src/com/oracle/graal/api/code/VirtualStackSlot.java	Tue Nov 25 19:20:48 2014 +0100
@@ -24,6 +24,10 @@
 
 import com.oracle.graal.api.meta.*;
 
+/**
+ * {@link VirtualStackSlot}s are stack slots that are not yet fixed to specific frame offset. They
+ * are replaced by real {@link StackSlot}s with a fixed position in the frame before code emission.
+ */
 public abstract class VirtualStackSlot extends StackSlotValue {
 
     private static final long serialVersionUID = 2823688688873398219L;