The definitive series on linkers is definitely Ian Lance Taylor's: https://wingolog.org/archives/2012/05/23/list-of-ian-lance-t...

I'd also recommend "Linkers and Loaders". It's a bit dated, but it's a classic and most of the core underlying ideas are still relevant today:

http://www.iecc.com/linker/

This is an in-depth introduction to linkers by Ian Lance Taylor, the author of the gold linker. Before reading this I thought I knew what linker did and how it worked, this series set me straight.

Ah, this was the last step for my JIT compiler; manually performing relocation (that previously I was deferring to the system linker): https://nickdesaulniers.github.io/blog/2015/05/25/interprete...