On Fri, 22 Apr 2011 07:27:30 -0700 Chuck Tuffli <ctuf...@gmail.com> wrote:
> On Thu, Apr 21, 2011 at 7:16 PM, Alexander Kabaev <kab...@gmail.com> > wrote: ... > > There is an omission on our .mk files which prevents CTF info to be > > generated for kld modules, regardless of WITH_CTF flag. I had > > discovered this at work just recently and have been using the > > following patch for the time being: > > > > http://people.freebsd.org/~kan/kmod-dtrace.diff > > > > If you can confirm it works for you too, I'll get it committed. > > I patched /usr/src/sys/conf/kmod.mk and rebuilt my kld. It looks like > ctfmerge is called at the end of the build, but dtrace still shows > just the address. Maybe I missed a step? > > ---chuck Do ctfdump -tf on your kld and verify that what it outputs actually makes sense. Do kldload and see if fbt provider knows about your module and functions. There is nothing else special that I can think off. Maybe make sure that you compile your sources with -g in the first place? DWARF debug info is what CTF generation utils use to figure out types and function prototypes. -- Alexander Kabaev
signature.asc
Description: PGP signature
