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Editorial Team
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Asked: 2026-05-31T12:27:35+00:00

In one particular project, we’re trying to embed version information into shared object files.

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In one particular project, we’re trying to embed version information into shared object files. We’d like to be able to use some standard linux tool to parse the shared object to determine the version for automated testing.
Currently I have “const int plugin_version = 14;”. I can use ‘nm’ and ‘objdump’ and verify that it’s there:

00000000000dcfbc r plugin_version

I can’t, however, seem to be able to get the value of that variable easily from command line. I figured there’d be a POSIX tool for showing the initialized values for globals. I have contemplated using a format for the variable as the information itself, ie, plugin_version_14, but that seems like a huge hack. Embedding the information in the filename unfortunately is NOT an option. Any other suggestions welcome.

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1 Answer

  1. Editorial Team

    A terrible hack that I’ve used in the past is to embed the version information in a variable name, so nm will show:

    00000000000dcfbc r plugin_version_14
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