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MESC TOOL NEWS: MESCT-NC30WA_2-990316D

NC30WA, NC79WA
Precaution

Please take note of the following problem in using C compilers (with assembler and integrated development environmetn) NC30WA for the M16C/60 and M16C/20 series and NC79WA for the 7900 series of microcomputers. Note that this problem has been fixed in NC30WA V.3.10 Release 1 and NC79WA V.3.10 Release 1 upgraded on March 16, 1999.


On Debug Information
  1. Problem
    When compilation executed under the following conditions, emulator debuggers PD30 and PD79 may not debug programs (for example, breakpoints cannot be set) by insufficient debug information.

  2. Conditions
    This problem occurs if the following three conditions are satisfied:
    (1)The program exists in an include file included in the C source file.
    (2)No programs exist in the lines prior to the above inclusion.
    (3)Option "-g" is chosen at compilation.

         [Example]
         [sample.h]
          -----------------------------------------------------------------------
         |  func(){
         |
         |           [Omitted]
         |
         |  }
         |
          -----------------------------------------------------------------------
         
         [smp.c]
          -----------------------------------------------------------------------
         |  #include [sample.h]
         |         main()
         |         {
         |
         |         }
         |
          -----------------------------------------------------------------------
    

  3. Workaround
    Don't write any program in an include file.




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