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Date:      Thu, 10 Apr 2014 17:34:03 -0600
From:      Warner Losh <imp@bsdimp.com>
To:        Adrian Chadd <adrian@freebsd.org>
Cc:        Ed Maste <emaste@freebsd.org>, Ian Lepore <ian@freebsd.org>, Steve Kargl <sgk@troutmask.apl.washington.edu>, freebsd-arch <freebsd-arch@freebsd.org>
Subject:   Re: Time for turning off gdb by default? Or worse...
Message-ID:  <03C737FA-45A4-4BCE-9F7C-B2B0889C71AC@bsdimp.com>
In-Reply-To: <CAJ-VmomW8XJQEdSO7J4DKZ-o3Abk_jViK5r1mFoBDoQsOcdtMA@mail.gmail.com>
References:  <DD38131E-9A43-4EFA-A27D-ED6B64F6A35A@bsdimp.com> <20140408212435.GA75404@troutmask.apl.washington.edu> <57ECB078-3D7A-4BE8-AA29-1ED7BB347DBD@bsdimp.com> <1396995427.81853.449.camel@revolution.hippie.lan> <CAPyFy2BhWEzNqUvonLLpVwOKbOR42gmrw=wUZ3zbzcN4LQMDDA@mail.gmail.com> <CAJ-VmomW8XJQEdSO7J4DKZ-o3Abk_jViK5r1mFoBDoQsOcdtMA@mail.gmail.com>

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On Apr 10, 2014, at 5:21 PM, Adrian Chadd <adrian@freebsd.org> wrote:

> On 10 April 2014 16:16, Ed Maste <emaste@freebsd.org> wrote:
>> On 8 April 2014 18:17, Ian Lepore <ian@freebsd.org> wrote:
>>>=20
>>> Only when building the kernel.  For userland we've got nothing.  gdb
>>> aside, even addr2line doesn't work on userland binaries anymore.  It
>>> used to be hard to do debugging for arm.  Now it's impossible.
>>=20
>> The elftoolchain-based binutils replacements (nm, addr2line, etc.)
>> work well, although there are a few remaining features that need to =
be
>> implemented in some of them.  They also inherently support (at least
>> some) cross-arch use cases.  I'm hopeful that they'll see these
>> features added, and be imported, before too long.
>=20
> Right, so can we flip back to dwarf-2 and make that stuff continue to
> somewhat-work until the replacements are ready? :)

You are asking the wrong question: would anybody hurt me if I just did =
this? :)

Warner




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