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42. Advanced Features of Shared Libraries

Chapter 42. Advanced Features of Shared Libraries

The previous chapter covered the fundamentals of shared libraries. This chapter describes a number of advanced features of shared libraries, including the following:

  • dynamically loading shared libraries;

  • controlling the visibility of symbols defined by a shared library;

  • using linker scripts to create versioned symbols;

  • using initialization and finalization functions to automatically execute code when a library is loaded and unloaded;

  • shared library preloading; and

  • using LD_DEBUG to monitor the operation of the dynamic linker.


  

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