2 files changed, 22 insertions, 0 deletions
diff --git a/src/sim/system.cc b/src/sim/system.cc
index 4871ac824..65eb0e3eb 100644
--- a/src/sim/system.cc
+++ b/src/sim/system.cc
@@ -341,6 +341,7 @@ System::serialize(ostream &os)
         kernelSymtab->serialize("kernel_symtab", os);
     SERIALIZE_SCALAR(pagePtr);
     SERIALIZE_SCALAR(nextPID);
+    serializeSymtab(os);
 }
 
 
@@ -351,6 +352,7 @@ System::unserialize(Checkpoint *cp, const string &section)
         kernelSymtab->unserialize("kernel_symtab", cp, section);
     UNSERIALIZE_SCALAR(pagePtr);
     UNSERIALIZE_SCALAR(nextPID);
+    unserializeSymtab(cp, section);
 }
 
 void
diff --git a/src/sim/system.hh b/src/sim/system.hh
index 4348ecaca..2393c83f2 100644
--- a/src/sim/system.hh
+++ b/src/sim/system.hh
@@ -403,6 +403,26 @@ class System : public MemObject
     // For futex system call
     std::map<uint64_t, std::list<ThreadContext *> * > futexMap;
 
+  protected:
+
+    /**
+     * If needed, serialize additional symbol table entries for a
+     * specific subclass of this sytem. Currently this is used by
+     * Alpha and MIPS.
+     *
+     * @param os stream to serialize to
+     */
+    virtual void serializeSymtab(std::ostream &os) {}
+
+    /**
+     * If needed, unserialize additional symbol table entries for a
+     * specific subclass of this system.
+     *
+     * @param cp checkpoint to unserialize from
+     * @param section relevant section in the checkpoint
+     */
+    virtual void unserializeSymtab(Checkpoint *cp,
+                                   const std::string &section) {}
 
 };