Dissecting Shared Libraries
By Peter Seebach2005-03-22
Resources
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• Linkers and Loaders by John Levine (Morgan Kauffman, October 1999) is an authoritative source devoted to compile-time and run-time processes. (Some manuscript chapters are available online.)
• Try this source for more information on the ELF binary format.
• Read this communique if you ever wondered why a versioning scheme for shared libraries is important.
• Override the GNU C library -- painlessly (developerWorks, April 2002) shows how to use dynamic linking to override individual library functions without root privileges and without rebuilding the entire library.
• Writing DLLs for Linux apps (developerWorks, October 2001) demonstrates how dynamically linked libraries are often a great way to add functionality without writing a whole new Linux application.
• Shared objects for the object disoriented! (developerWorks, April 2001) explains how to write dynamically loadable libraries and suggests tools to use in the process.
• Use shared objects on Linux (developerWorks, May 2004) demonstrates how to make shared memory processes work.
• Find more resources for Linux developers in the developerWorks Linux zone.
• Get involved in the developerWorks community by participating in developerWorks blogs.
• Purchase Linux books at discounted prices in the Linux section of the Developer Bookstore.
Tutorial Pages:
» Get to know your shared library
» How shared libraries work
» Compatibility's not just for relationships
» To debug, first you must know how to compile
» Modifying the dynamic linker search path
» Linking Mozilla
» Learning more about shared libraries
» Resources
First published by IBM DeveloperWorks
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