linkers

Tags: compilers

• https://blog.thea.codes/the-most-thoroughly-commented-linker-script/
• https://www-sigbus-info.translate.goog/compilerbook?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en&_x_tr_pto=wapp

COMDAT

• https://maskray.me/blog/2021-07-25-comdat-and-section-group
• Basically a section used for duplicate code, like cpp templates

LTO (and ThinLTO)

• ThinLTO actually evolved out of the work done in Li, David Xinliang, Raksit Ashok, and Robert Hundt. “Lightweight Feedback-Directed Cross-Module Optimization.” Proceedings of the 8th Annual IEEE/ACM International Symposium on Code Generation and Optimization, ACM, April 24, 2010, 53–61. https://doi.org/10.1145/1772954.1772964.
• Nearly 5 years later, where it took the ideas of using combined summaries to do LTO, during the .o transofrmation

alt-linkers

• gold
  • https://lwn.net/Articles/274859/
  • https://lwn.net/Articles/276782/
• mold
  • https://www-sigbus-info.translate.goog/compilerbook?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en&_x_tr_pto=wapp
  • https://github.com/rui314/mold/blob/main/docs/design.md
• lld
  • https://www.youtube.com/watch?v=CYCRqjVa6l4
  • https://lld.llvm.org/

profiling linkers

Static Linking

• https://eli.thegreenplace.net/2013/07/09/library-order-in-static-linking

Tools

• check ldd and file for linking, although ldd is different