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They are called linkers | 360 comments | Create New Account

Comments belong to whoever posts them. Please notify us of inappropriate comments.

They are called linkers

Authored by: jesse on Wednesday, May 09 2012 @ 09:19 AM EDT

And every operating system does it.

Many do weak linking (put a reference to a shared library+symbolic name) where
the final link is done at runtime when the application is about to be executed.
Strong (and weak) linking is done during the translation of the source file into
an object/target executable.

Runtime linking resolves any remaining undefined symbols (the library+symbolic
name) by adding the library to memory, and replacing the symbolic name with the
final address of the referenced function.

The only other "symbolic linking" I can remember now was developed for
LISP interpreters where everything was a symbol... The symbols were resolved
during the reading of the source...

[ Reply to This | Parent | # ]

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