Function is in System.map but not in /proc/ksyms

From: Friedrich Seuhs (friedrich.seuhs_at_hasos.com)
Date: 10/19/05

  • Next message: Friedrich Seuhs: "Function is in System.map but still an "unresolved symbol"" 
    Date: Wed, 19 Oct 2005 18:14:02 +0200

    Hi,

    I use

    int function_name()
    { /* some stuff */
    }
    EXPORT_SYMBOL(function_name);

    in a .c file and modified the Makefile to include the appropriate .o file in
    export-objs

    Everything compiles fine, function_name appears in System.map like this:

    c0020bb0 T function_name
    c015682c R __kstrab_function_name
    c02352ac R __ksymtab_function_name

    However, when I try to insmod a module that uses function_name, it's
    unresolved.

    when I delete the line with EXPORT_SYMBOL in the .c file, the "R-entries" in
    System.map dissapears. (Not surprisingly still unresolved on insmod)

    Either way, the symbol does not appear in /proc/ksyms on the target
    hardware, which is pretty strange, because all symbols that are
    successfully in /proc/ksyms look the same in System.map (one T-entry, 2
    R-entries)

    Probably I do something wrong, could somebody give me a hint?

    Thank you very much,

    FS

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