adds additional functionality by fetching delay information

incl/iss/plugin/pctrace.h

@@ -52,6 +52,18 @@ class cov : public iss::vm_plugin {
         size_t not_taken_delay;
         size_t taken_delay;
     };
+    BEGIN_BF_DECL(instr_desc, uint32_t)
+        BF_FIELD(taken, 24, 8)
+        BF_FIELD(not_taken, 16, 8)
+        BF_FIELD(is_branch, 8, 8)
+        BF_FIELD(size, 0, 8)
+        instr_desc(uint32_t size, uint32_t taken, uint32_t not_taken, bool branch): instr_desc() {
+            this->size=size;
+            this->taken=taken;
+            this->not_taken=not_taken;
+            this->is_branch=branch;
+        }
+    END_BF_DECL();
 
 public:
 
@@ -59,7 +71,7 @@ public:
 
     cov(const cov &&) = delete;
 
-    cov();
+    cov(std::string const &);
 
     virtual ~cov();
 
@@ -75,8 +87,10 @@ public:
 
 private:
     iss::instrumentation_if *instr_if  {nullptr};
-    int counter {0};
     std::ofstream output;
+    std::string filename;
+    std::vector<instr_desc> delays;
+
 };
 }
 }