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line coverage with gcov


ciroceissler

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hello,

 

I trying to do coverage using gcov and can't reach 100% for line coverage, for example:

 

#####:  32: SC_MODULE(test) {
        -:   33:        sc_in<bool> clk;
        -:   34:        sc_in<bool> arst_n;
        -:   35:  
        -:   36:        void func1 ();
        -:   37:        void func2 ();
        -:   38:
      18:  39:        SC_CTOR(test)  {
      18:  40:                SC_CTHREAD(func1, clk.pos())
      18:  41:                async_reset_signal_is(arst_n, false);
        -:   42:
      18:  43:                SC_CTHREAD(func2, clk.pos());
      18:  44:                async_reset_signal_is(arst_n, false);
        -:   45:
        -:   46:        } // end of SC_CTOR
        -:   47: }; // end of SC_MODULE
 
From other project, I have another behavior (just put a stub from module), here above:
 
      18:  32: SC_MODULE(test2) {
        -:   33:        sc_in<bool> clk;
        -:   34:        sc_in<bool> arst_n;
        -:   35:  
      18:   36:        void func1 ();
      18:   37:        void func2 ();
        -:   38:
      18:  39:        SC_CTOR(test2)  {
      18:  40:                SC_CTHREAD(func1, clk.pos())
      18:  41:                async_reset_signal_is(arst_n, false);
        -:   42:
      18:  43:                SC_CTHREAD(func2, clk.pos());
      18:  44:                async_reset_signal_is(arst_n, false);
        -:   45:
        -:   46:        } // end of SC_CTOR
        -:   47: }; // end of SC_MODULE
 
I don't understand why SC_MODULE wasn't covered from the first example, but SC_CTOR was.
 
Can anyone tell me why this happen or could suggest another tool for coverage?
 
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