On 19-12-07 21:31, Binyamin Dissen wrote:
I am looking at the kernel and I see a call to foobar.
How can I easily determine which source file has the foobar code?
The easiest way is using an editor that supports "tags". After you run "make
tags" in the root of the source tree (and have the ctags program installed)
"vim -t foobar" will take you to the definition of the "foobar" function.
Well, to _a_ definition of foobar at least. It doesn't work all that well
when there's multiple things named foobar, which happens quite a lot.
The -t command line option is not the main tag usage in vim -- htting Ctrl-[
with the cursor on "foobar" is. Ctrl-T to return to the previous spot. ":ts"
to select from a list of matching tags, and ":help tags" for more.
See "make TAGS" for equivalent Emacs functionality, "cscope" for another
useful tool, "lxr" for generating hyperlinked HTML from the tree...
Rene,
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