diff --git a/src/arch/alpha/faults.hh b/src/arch/alpha/faults.hh
index 6342122c2..ed0c3a6b1 100644
--- a/src/arch/alpha/faults.hh
+++ b/src/arch/alpha/faults.hh
@@ -66,10 +66,10 @@ class MachineCheckFault : public AlphaFault
     static FaultVect _vect;
     static FaultStat _count;
   public:
-    FaultName name() {return _name;}
+    FaultName name() const {return _name;}
     FaultVect vect() {return _vect;}
     FaultStat & countStat() {return _count;}
-    bool isMachineCheckFault() {return true;}
+    bool isMachineCheckFault() const {return true;}
 };
 
 class AlignmentFault : public AlphaFault
@@ -79,10 +79,10 @@ class AlignmentFault : public AlphaFault
     static FaultVect _vect;
     static FaultStat _count;
   public:
-    FaultName name() {return _name;}
+    FaultName name() const {return _name;}
     FaultVect vect() {return _vect;}
     FaultStat & countStat() {return _count;}
-    bool isAlignmentFault() {return true;}
+    bool isAlignmentFault() const {return true;}
 };
 
 static inline Fault genMachineCheckFault()
@@ -102,7 +102,7 @@ class ResetFault : public AlphaFault
     static FaultVect _vect;
     static FaultStat _count;
   public:
-    FaultName name() {return _name;}
+    FaultName name() const {return _name;}
     FaultVect vect() {return _vect;}
     FaultStat & countStat() {return _count;}
 };
@@ -116,7 +116,7 @@ class ArithmeticFault : public AlphaFault
     static FaultVect _vect;
     static FaultStat _count;
   public:
-    FaultName name() {return _name;}
+    FaultName name() const {return _name;}
     FaultVect vect() {return _vect;}
     FaultStat & countStat() {return _count;}
 #if FULL_SYSTEM
@@ -133,7 +133,7 @@ class InterruptFault : public AlphaFault
     static FaultVect _vect;
     static FaultStat _count;
   public:
-    FaultName name() {return _name;}
+    FaultName name() const {return _name;}
     FaultVect vect() {return _vect;}
     FaultStat & countStat() {return _count;}
 };
@@ -150,7 +150,7 @@ class DtbFault : public AlphaFault
         : vaddr(_vaddr), reqFlags(_reqFlags), flags(_flags)
     { }
 #endif
-    FaultName name() = 0;
+    FaultName name() const = 0;
     FaultVect vect() = 0;
     FaultStat & countStat() = 0;
 #if FULL_SYSTEM
@@ -170,7 +170,7 @@ class NDtbMissFault : public DtbFault
         : DtbFault(vaddr, reqFlags, flags)
     { }
 #endif
-    FaultName name() {return _name;}
+    FaultName name() const {return _name;}
     FaultVect vect() {return _vect;}
     FaultStat & countStat() {return _count;}
 };
@@ -187,7 +187,7 @@ class PDtbMissFault : public DtbFault
         : DtbFault(vaddr, reqFlags, flags)
     { }
 #endif
-    FaultName name() {return _name;}
+    FaultName name() const {return _name;}
     FaultVect vect() {return _vect;}
     FaultStat & countStat() {return _count;}
 };
@@ -204,7 +204,7 @@ class DtbPageFault : public DtbFault
         : DtbFault(vaddr, reqFlags, flags)
     { }
 #endif
-    FaultName name() {return _name;}
+    FaultName name() const {return _name;}
     FaultVect vect() {return _vect;}
     FaultStat & countStat() {return _count;}
 };
@@ -221,7 +221,7 @@ class DtbAcvFault : public DtbFault
         : DtbFault(vaddr, reqFlags, flags)
     { }
 #endif
-    FaultName name() {return _name;}
+    FaultName name() const {return _name;}
     FaultVect vect() {return _vect;}
     FaultStat & countStat() {return _count;}
 };
@@ -238,7 +238,7 @@ class DtbAlignmentFault : public DtbFault
         : DtbFault(vaddr, reqFlags, flags)
     { }
 #endif
-    FaultName name() {return _name;}
+    FaultName name() const {return _name;}
     FaultVect vect() {return _vect;}
     FaultStat & countStat() {return _count;}
 };
@@ -251,7 +251,7 @@ class ItbFault : public AlphaFault
     ItbFault(Addr _pc)
         : pc(_pc)
     { }
-    FaultName name() = 0;
+    FaultName name() const = 0;
     FaultVect vect() = 0;
     FaultStat & countStat() = 0;
 #if FULL_SYSTEM
@@ -269,7 +269,7 @@ class ItbMissFault : public ItbFault
     ItbMissFault(Addr pc)
         : ItbFault(pc)
     { }
-    FaultName name() {return _name;}
+    FaultName name() const {return _name;}
     FaultVect vect() {return _vect;}
     FaultStat & countStat() {return _count;}
 };
@@ -284,7 +284,7 @@ class ItbPageFault : public ItbFault
     ItbPageFault(Addr pc)
         : ItbFault(pc)
     { }
-    FaultName name() {return _name;}
+    FaultName name() const {return _name;}
     FaultVect vect() {return _vect;}
     FaultStat & countStat() {return _count;}
 };
@@ -299,7 +299,7 @@ class ItbAcvFault : public ItbFault
     ItbAcvFault(Addr pc)
         : ItbFault(pc)
     { }
-    FaultName name() {return _name;}
+    FaultName name() const {return _name;}
     FaultVect vect() {return _vect;}
     FaultStat & countStat() {return _count;}
 };
@@ -311,7 +311,7 @@ class UnimplementedOpcodeFault : public AlphaFault
     static FaultVect _vect;
     static FaultStat _count;
   public:
-    FaultName name() {return _name;}
+    FaultName name() const {return _name;}
     FaultVect vect() {return _vect;}
     FaultStat & countStat() {return _count;}
 };
@@ -323,7 +323,7 @@ class FloatEnableFault : public AlphaFault
     static FaultVect _vect;
     static FaultStat _count;
   public:
-    FaultName name() {return _name;}
+    FaultName name() const {return _name;}
     FaultVect vect() {return _vect;}
     FaultStat & countStat() {return _count;}
 };
@@ -337,7 +337,7 @@ class PalFault : public AlphaFault
     static FaultVect _vect;
     static FaultStat _count;
   public:
-    FaultName name() {return _name;}
+    FaultName name() const {return _name;}
     FaultVect vect() {return _vect;}
     FaultStat & countStat() {return _count;}
 };
@@ -349,7 +349,7 @@ class IntegerOverflowFault : public AlphaFault
     static FaultVect _vect;
     static FaultStat _count;
   public:
-    FaultName name() {return _name;}
+    FaultName name() const {return _name;}
     FaultVect vect() {return _vect;}
     FaultStat & countStat() {return _count;}
 };
diff --git a/src/arch/mips/faults.hh b/src/arch/mips/faults.hh
index 05a86acd7..2e5aa81d6 100644
--- a/src/arch/mips/faults.hh
+++ b/src/arch/mips/faults.hh
@@ -61,10 +61,10 @@ class MachineCheckFault : public MipsFault
     static FaultVect _vect;
     static FaultStat _count;
   public:
-    FaultName name() {return _name;}
+    FaultName name() const {return _name;}
     FaultVect vect() {return _vect;}
     FaultStat & countStat() {return _count;}
-    bool isMachineCheckFault() {return true;}
+    bool isMachineCheckFault() const {return true;}
 };
 
 class AlignmentFault : public MipsFault
@@ -74,10 +74,10 @@ class AlignmentFault : public MipsFault
     static FaultVect _vect;
     static FaultStat _count;
   public:
-    FaultName name() {return _name;}
+    FaultName name() const {return _name;}
     FaultVect vect() {return _vect;}
     FaultStat & countStat() {return _count;}
-    bool isAlignmentFault() {return true;}
+    bool isAlignmentFault() const {return true;}
 };
 
 class UnimplementedOpcodeFault : public MipsFault
@@ -87,7 +87,7 @@ class UnimplementedOpcodeFault : public MipsFault
     static FaultVect _vect;
     static FaultStat _count;
   public:
-    FaultName name() {return _name;}
+    FaultName name() const {return _name;}
     FaultVect vect() {return _vect;}
     FaultStat & countStat() {return _count;}
 };
@@ -133,7 +133,7 @@ class ResetFault : public MipsFault
     static FaultVect _vect;
     static FaultStat _count;
   public:
-    FaultName name() {return _name;}
+    FaultName name() const {return _name;}
     FaultVect vect() {return _vect;}
     FaultStat & countStat() {return _count;}
     void invoke(ThreadContext * tc);
@@ -146,7 +146,7 @@ class CoprocessorUnusableFault : public MipsFault
     static FaultVect _vect;
     static FaultStat _count;
   public:
-    FaultName name() {return _name;}
+    FaultName name() const {return _name;}
     FaultVect vect() {return _vect;}
     FaultStat & countStat() {return _count;}
     void invoke(ThreadContext * tc);
@@ -159,7 +159,7 @@ class ReservedInstructionFault : public MipsFault
     static FaultVect _vect;
     static FaultStat _count;
   public:
-    FaultName name() {return _name;}
+    FaultName name() const {return _name;}
     FaultVect vect() {return _vect;}
     FaultStat & countStat() {return _count;}
     void invoke(ThreadContext * tc);
@@ -172,7 +172,7 @@ class ThreadFault : public MipsFault
     static FaultVect _vect;
     static FaultStat _count;
   public:
-    FaultName name() {return _name;}
+    FaultName name() const {return _name;}
     FaultVect vect() {return _vect;}
     FaultStat & countStat() {return _count;}
     void invoke(ThreadContext * tc);
@@ -188,7 +188,7 @@ class ArithmeticFault : public MipsFault
     static FaultVect _vect;
     static FaultStat _count;
   public:
-    FaultName name() {return _name;}
+    FaultName name() const {return _name;}
     FaultVect vect() {return _vect;}
     FaultStat & countStat() {return _count;}
 #if FULL_SYSTEM
@@ -205,7 +205,7 @@ class InterruptFault : public MipsFault
     static FaultVect _vect;
     static FaultStat _count;
   public:
-    FaultName name() {return _name;}
+    FaultName name() const {return _name;}
     FaultVect vect() {return _vect;}
     FaultStat & countStat() {return _count;}
 };
@@ -217,7 +217,7 @@ class NDtbMissFault : public MipsFault
     static FaultVect _vect;
     static FaultStat _count;
   public:
-    FaultName name() {return _name;}
+    FaultName name() const {return _name;}
     FaultVect vect() {return _vect;}
     FaultStat & countStat() {return _count;}
 };
@@ -229,7 +229,7 @@ class PDtbMissFault : public MipsFault
     static FaultVect _vect;
     static FaultStat _count;
   public:
-    FaultName name() {return _name;}
+    FaultName name() const {return _name;}
     FaultVect vect() {return _vect;}
     FaultStat & countStat() {return _count;}
 };
@@ -241,7 +241,7 @@ class DtbPageFault : public MipsFault
     static FaultVect _vect;
     static FaultStat _count;
   public:
-    FaultName name() {return _name;}
+    FaultName name() const {return _name;}
     FaultVect vect() {return _vect;}
     FaultStat & countStat() {return _count;}
 };
@@ -253,7 +253,7 @@ class DtbAcvFault : public MipsFault
     static FaultVect _vect;
     static FaultStat _count;
   public:
-    FaultName name() {return _name;}
+    FaultName name() const {return _name;}
     FaultVect vect() {return _vect;}
     FaultStat & countStat() {return _count;}
 };
@@ -265,7 +265,7 @@ class ItbMissFault : public MipsFault
     static FaultVect _vect;
     static FaultStat _count;
   public:
-    FaultName name() {return _name;}
+    FaultName name() const {return _name;}
     FaultVect vect() {return _vect;}
     FaultStat & countStat() {return _count;}
 };
@@ -277,7 +277,7 @@ class ItbPageFault : public MipsFault
     static FaultVect _vect;
     static FaultStat _count;
   public:
-    FaultName name() {return _name;}
+    FaultName name() const {return _name;}
     FaultVect vect() {return _vect;}
     FaultStat & countStat() {return _count;}
 };
@@ -289,7 +289,7 @@ class ItbAcvFault : public MipsFault
     static FaultVect _vect;
     static FaultStat _count;
   public:
-    FaultName name() {return _name;}
+    FaultName name() const {return _name;}
     FaultVect vect() {return _vect;}
     FaultStat & countStat() {return _count;}
 };
@@ -301,7 +301,7 @@ class FloatEnableFault : public MipsFault
     static FaultVect _vect;
     static FaultStat _count;
   public:
-    FaultName name() {return _name;}
+    FaultName name() const {return _name;}
     FaultVect vect() {return _vect;}
     FaultStat & countStat() {return _count;}
 };
@@ -313,7 +313,7 @@ class IntegerOverflowFault : public MipsFault
     static FaultVect _vect;
     static FaultStat _count;
   public:
-    FaultName name() {return _name;}
+    FaultName name() const {return _name;}
     FaultVect vect() {return _vect;}
     FaultStat & countStat() {return _count;}
 };
@@ -325,7 +325,7 @@ class DspStateDisabledFault : public MipsFault
     static FaultVect _vect;
     static FaultStat _count;
   public:
-    FaultName name() {return _name;}
+    FaultName name() const {return _name;}
     FaultVect vect() {return _vect;}
     FaultStat & countStat() {return _count;}
     void invoke(ThreadContext * tc);
diff --git a/src/arch/sparc/faults.hh b/src/arch/sparc/faults.hh
index 10ef89279..2456ad28a 100644
--- a/src/arch/sparc/faults.hh
+++ b/src/arch/sparc/faults.hh
@@ -65,7 +65,6 @@ class SparcFaultBase : public FaultBase
 #if FULL_SYSTEM
     void invoke(ThreadContext * tc);
 #endif
-    virtual FaultName name() = 0;
     virtual TrapType trapType() = 0;
     virtual FaultPriority priority() = 0;
     virtual FaultStat & countStat() = 0;
@@ -78,7 +77,7 @@ class SparcFault : public SparcFaultBase
   protected:
     static FaultVals vals;
   public:
-    FaultName name() {return vals.name;}
+    FaultName name() const {return vals.name;}
     TrapType trapType() {return vals.trapType;}
     FaultPriority priority() {return vals.priority;}
     FaultStat & countStat() {return vals.count;}
@@ -133,7 +132,7 @@ class InternalProcessorError :
     public SparcFault<InternalProcessorError>
 {
   public:
-    bool isMachineCheckFault() {return true;}
+    bool isMachineCheckFault() const {return true;}
 };
 
 class InstructionInvalidTSBEntry : public SparcFault<InstructionInvalidTSBEntry> {};
@@ -152,7 +151,7 @@ class MemAddressNotAligned :
     public SparcFault<MemAddressNotAligned>
 {
   public:
-    bool isAlignmentFault() {return true;}
+    bool isAlignmentFault() const {return true;}
 };
 
 class LDDFMemAddressNotAligned : public SparcFault<LDDFMemAddressNotAligned> {};
diff --git a/src/sim/faults.hh b/src/sim/faults.hh
index 2f0b5af62..f2e638945 100644
--- a/src/sim/faults.hh
+++ b/src/sim/faults.hh
@@ -53,12 +53,12 @@ typedef Stats::Scalar<> FaultStat;
 class FaultBase : public RefCounted
 {
   public:
-    virtual FaultName name() = 0;
+    virtual FaultName name() const = 0;
     virtual void invoke(ThreadContext * tc);
 //    template<typename T>
 //    bool isA() {return dynamic_cast<T *>(this);}
-    virtual bool isMachineCheckFault() {return false;}
-    virtual bool isAlignmentFault() {return false;}
+    virtual bool isMachineCheckFault() const {return false;}
+    virtual bool isAlignmentFault() const {return false;}
 };
 
 FaultBase * const NoFault = 0;
@@ -72,7 +72,7 @@ class UnimpFault : public FaultBase
         : panicStr(_str)
     { }
 
-    FaultName name() {return "Unimplemented simulator feature";}
+    FaultName name() const {return "Unimplemented simulator feature";}
     void invoke(ThreadContext * tc);
 };
 
@@ -82,7 +82,7 @@ class PageTableFault : public FaultBase
   private:
     Addr vaddr;
   public:
-    FaultName name() {return "M5 page table fault";}
+    FaultName name() const {return "M5 page table fault";}
     PageTableFault(Addr va) : vaddr(va) {}
     void invoke(ThreadContext * tc);
 };