Re: Add MKCTF

[Ryota Ozaki <ozaki-r%NetBSD.org@localhost>]

On Wed, Mar 26, 2014 at 11:31 AM, Thor Lancelot Simon <tls%panix.com@localhost> 
wrote:
> On Mon, Mar 24, 2014 at 07:27:33PM +0900, Ryota Ozaki wrote:
>> Hi,
>>
>> I'm adding a new build variable MKCTF, which
>> was discussed on the chat some days ago.
>>
>> Currently CTF tools are built and used to generate
>> and manipulate CTF data of ELF binaries when
>> we build with MKDTRACE=yes. Unfortunately,
>> current CTF tools don't work on i386/amd64/arm,
>> and that adds a burden to try DTrace by users.
>>
>> The new variable is intended to separate CTF
>> stuffs from MKDTRACE; we can build DTrace
>> solely without worrying about the CTF issues.
>> Fortunately, CTF data are not used yet by
>> current DTrace of NetBSD, so DTrace still
>> works without CTF data.
>
> The CTF data for the kernel are needed in order to use
> DTrace on the kernel, no?

DTrace works anyway w/o CTF data. Nonetheless, it lacks
some detailed information. We will of course support CTF
data at some point.

  ozaki-r

>
> Thor