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Load-time relocation of shared libraries (2011)

Load-time relocation of shared libraries (2011)

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·October 25, 2025
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saltypal

With two[1] other[2] great articles about the guts of how programs _actually_ get loaded and run, I was reminded of the above great (multi-part) article, which I remember reading on the subway in tiny chunks and being surprised it ever works at all.

My CS degree was from a liberal arts university, and while I wouldn't trade anything for the coverage of ethics, previous AI bubbles/winters, and my time in the business and mathematics departments, these articles along with the glibc author's What Every Programmer Should Know About Memory[4] rounded out my education. I still make use of concepts from both when profiling and debugging programs.

[1]: https://news.ycombinator.com/item?id=45706938

[2]: https://news.ycombinator.com/item?id=45706380

[3]: https://www.cs.dartmouth.edu/sergey/cs108/ABI/UlrichDrepper-...

[4]: https://people.freebsd.org/~lstewart/articles/cpumemory.pdf

See also: https://stackoverflow.com/questions/8126311/how-much-of-what...