How to understand the signature from lib file?

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  • 3mwn8tbfrd19ph0@mail.htl22.at
    #1

    How to understand the signature from lib file?

    I used dumpbin to dump all the functions from the lib file.
    But I don't understand the function signature. Something like
    __imp_?Update@C Set@@IAEXXZ

    Where can I find the document to understand this or any tool to
    translate that into c/c++ language?

    Thanks,
    Steve
    Tags: None
    • Sam
      #2
      Re: How to understand the signature from lib file?

      3mwn8tbfrd19ph0 @mail.htl22.at writes:
      I used dumpbin to dump all the functions from the lib file.
      But I don't understand the function signature. Something like
      __imp_?Update@C Set@@IAEXXZ
      >
      Where can I find the document to understand this or any tool to
      translate that into c/c++ language?
      This is compiler-specific. Check your compiler's documentation for more
      information.


      -----BEGIN PGP SIGNATURE-----
      Version: GnuPG v1.4.9 (GNU/Linux)

      iEYEABECAAYFAkk cywoACgkQx9p3GY HlUOKp7wCeItzC5 HYF07PkRyEvHQtr AfrC
      GusAnjAD6n1NiN8 jRHhUiq/XRQqVybKY
      =iuUv
      -----END PGP SIGNATURE-----

        Comment

        • Jack Klein
          #3
          Re: How to understand the signature from lib file?

          On Thu, 13 Nov 2008 16:24:17 -0800 (PST),
          3mwn8tbfrd19ph0 @mail.htl22.at wrote in comp.lang.c++:
          I used dumpbin to dump all the functions from the lib file.
          But I don't understand the function signature. Something like
          __imp_?Update@C Set@@IAEXXZ
          >
          Where can I find the document to understand this or any tool to
          translate that into c/c++ language?
          The C++ language itself does not define the file format of compiled
          object files or library files. They can, and do, vary greatly from
          one compiler/operating system combination to another.

          So you need to ask in a group specific to your platform. From the
          headers on your post, I would suggest one of microsoft's groups on
          news:microsoft. public.*, or a group like
          news:comp.os.ms-windows.program mer.win32.

          --
          Jack Klein
          Home: http://JK-Technology.Com
          FAQs for
          comp.lang.c http://c-faq.com/
          comp.lang.c++ http://www.parashift.com/c++-faq-lite/
          alt.comp.lang.l earn.c-c++
          http://www.club.cc.cmu.edu/~ajo/docs/FAQ-acllc.html

            Comment

            • James Kanze
              #4
              Re: How to understand the signature from lib file?

              On Nov 14, 1:24 am, 3mwn8tbfrd19... @mail.htl22.at wrote:
              I used dumpbin to dump all the functions from the lib file.
              But I don't understand the function signature. Something like
              __imp_?Update@C Set@@IAEXXZ
              Where can I find the document to understand this or any tool to
              translate that into c/c++ language?
              It's implementation defined, but your compiler probably comes
              with a tool to convert it. With Unix based compilers, look for
              something like c++filt or c++filter---the nm command also
              usually has an option -C, which sometime even works. In the
              Windows world, mangling is sometimes called decoration, so you
              might want to look for something with either undecorate or
              demangle its name as well.

              --
              James Kanze (GABI Software) email:james.kan ze@gmail.com
              Conseils en informatique orientée objet/
              Beratung in objektorientier ter Datenverarbeitu ng
              9 place Sémard, 78210 St.-Cyr-l'École, France, +33 (0)1 30 23 00 34

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