1 files changed, 7 insertions, 0 deletions
diff --git a/riscv/trap.h b/riscv/trap.h
index 1cd62e1..b5afce9 100644
--- a/riscv/trap.h
+++ b/riscv/trap.h
@@ -8,6 +8,11 @@
 
 struct state_t;
 
+class trap_debug_mode
+{
+  /* Used to enter debug mode, which isn't quite a normal trap. */
+};
+
 class trap_t
 {
  public:
@@ -28,6 +33,8 @@ class trap_t
     return _name;
   }
 
+  virtual ~trap_t() = default;
+
  private:
   char _name[16];
   reg_t which;