Hopefully Simple Question on Debugging Kernel Modules
Scott Long
scottl at samsco.org
Mon Feb 23 10:56:06 PST 2009
Doug Barton wrote:
> Scott Long wrote:
>> Ah, I was still using 'CFLAGS+= -g". Thanks to you and Mr. Campbell for
>> the tip.
>
> IME in order to make sure I get debug symbols in everything (base and
> ports) I need to include both of these:
>
> CFLAGS+= -ggdb
> DEBUG_FLAGS+= -ggdb
>
> BTW, I've always used -ggdb out of habit, is using just -g preferable
> for some reason?
>
>
> hope this I helps,
>
> Doug
>
Never heard of -ggdb =-) One other tip is to compile with -O0 or
-fno_inline so that kdb doesn't get fooled by all of the foolish
auto-inlining that gcc wants to do. gdb is able to handle it, but
I still find it a good practice to do.
Scott
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