how to build kernel in debug mode?

From: Nasser Abbasi (
Date: Thu Jun 01 2000 - 06:56:48 EST

hello linux experts,

this seems like a simple thing, but how to build linux in debug (-g) mode?

I need to do this:

$ cd /usr/src/linux ; gdb vmlinux /proc/kcore

but I think kernel needs to be build with -g for the kernel symbols
to be there.

the obvious thing (edit /usr/src/linux/Makefile) and added -g to the
HOSTCFLAGS (near the top of the file), and recompile, did not do it.

what is the best way to do it?


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