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Base Address

Scheduled Pinned Locked Moved C / C++ / MFC
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  • N Naveen

    1 simple doubt.. why cant u change the private to public?

    nave

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    Shouvik Das
    wrote on last edited by
    #26

    Naveen R wrote:

    why cant u change the private to public

    Read my first post. I said I can't change 1 byte in the source classes


    There are only two kinds of people who are really fascinating-people who know absolutely everything, and people who know absolutely nothing. Oscar Wilde (1854-1900) Regards... Shouvik

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    • N Naveen

      1 simple doubt.. why cant u change the private to public?

      nave

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      Shouvik Das
      wrote on last edited by
      #27

      Sorry naveen Read this Proj details[^]


      There are only two kinds of people who are really fascinating-people who know absolutely everything, and people who know absolutely nothing. Oscar Wilde (1854-1900) Regards... Shouvik

      N 2 Replies Last reply
      0
      • S Shouvik Das

        Sorry naveen Read this Proj details[^]


        There are only two kinds of people who are really fascinating-people who know absolutely everything, and people who know absolutely nothing. Oscar Wilde (1854-1900) Regards... Shouvik

        N Offline
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        Naveen
        wrote on last edited by
        #28

        i am not sure Suppose ur class have a public function. U can get the address of that function at the runtime. The private function will be also at some address near to it. By adding some value to the address of the public function u can get the address of private function.

        nave

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        • S Shouvik Das

          Sorry naveen Read this Proj details[^]


          There are only two kinds of people who are really fascinating-people who know absolutely everything, and people who know absolutely nothing. Oscar Wilde (1854-1900) Regards... Shouvik

          N Offline
          N Offline
          Naveen
          wrote on last edited by
          #29

          please let me know the above metioned way will work or not in ur case...

          nave

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          • N Naveen

            please let me know the above metioned way will work or not in ur case...

            nave

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            Shouvik Das
            wrote on last edited by
            #30

            yes but the addres is always a Rva so u cant just add subtract like tht. Its better to leave it to the compiler to do it. even though u will use sizeof() opeartor knowing the load address is imp isn't it


            There are only two kinds of people who are really fascinating-people who know absolutely everything, and people who know absolutely nothing. Oscar Wilde (1854-1900) Regards... Shouvik

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            • S Shouvik Das

              yes but the addres is always a Rva so u cant just add subtract like tht. Its better to leave it to the compiler to do it. even though u will use sizeof() opeartor knowing the load address is imp isn't it


              There are only two kinds of people who are really fascinating-people who know absolutely everything, and people who know absolutely nothing. Oscar Wilde (1854-1900) Regards... Shouvik

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              Naveen
              wrote on last edited by
              #31

              shouvik.d wrote:

              the addres is always a Rva

              Rva means? so then how u gonne do it?

              nave

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              • N Naveen

                shouvik.d wrote:

                the addres is always a Rva

                Rva means? so then how u gonne do it?

                nave

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                Shouvik Das
                wrote on last edited by
                #32

                Rva means relative virtual address. have you taken a look at the map file i mean are you aware of the map file structure.


                There are only two kinds of people who are really fascinating-people who know absolutely everything, and people who know absolutely nothing. Oscar Wilde (1854-1900) Regards... Shouvik

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                • S Stephen Hewitt

                  Theoretically even recompiling the EXE to update the address could change the address (although in practice this is unlikely). The best approach would be to read in the address at runtime from a file you produce after the build is complete by parsing the map file. Not that I approve of such things; private functions are private for a reason.

                  Steve

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                  Shouvik Das
                  wrote on last edited by
                  #33

                  hi steve your help has pulled me off a catastrophe. I did the tokenizing of the .map file and could retrieve the address. noe since the address is of a string type in the as 0x00401190 so now i need to convert it into a HEX format. then I can pass it as an address where earlier we were passing the constant adress. So the dangling pointer error is removed. thanks for the immense help you have provided


                  There are only two kinds of people who are really fascinating-people who know absolutely everything, and people who know absolutely nothing. Oscar Wilde (1854-1900) Regards... Shouvik

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                  • S Stephen Hewitt

                    Theoretically even recompiling the EXE to update the address could change the address (although in practice this is unlikely). The best approach would be to read in the address at runtime from a file you produce after the build is complete by parsing the map file. Not that I approve of such things; private functions are private for a reason.

                    Steve

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                    Shouvik Das
                    wrote on last edited by
                    #34

                    I did a conversion for string type to unsigned long using strtoul() method. Now works fine


                    There are only two kinds of people who are really fascinating-people who know absolutely everything, and people who know absolutely nothing. Oscar Wilde (1854-1900) Regards... Shouvik

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                    • S Stephen Hewitt

                      Theoretically even recompiling the EXE to update the address could change the address (although in practice this is unlikely). The best approach would be to read in the address at runtime from a file you produce after the build is complete by parsing the map file. Not that I approve of such things; private functions are private for a reason.

                      Steve

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                      S Offline
                      Shouvik Das
                      wrote on last edited by
                      #35

                      So when I could achieve it in VC now next comes in line is GCC where the name mangling starts with _Z and then few traits are there. Anyhow can you help me out in generating the map file for a GCC environment. I mean a detailed help. I really am greatful to you for the help you extended hence looking forward for a next one;). Thanks steve!:)


                      There are only two kinds of people who are really fascinating-people who know absolutely everything, and people who know absolutely nothing. Oscar Wilde (1854-1900) Regards... Shouvik

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