19 Jan
2011
19 Jan
'11
4:32 p.m.
On Wed, Jan 19, 2011 at 05:24:38PM +0100, Loïc Minier wrote:
actually, I thought ltrace was still a toolchain WG topic, but it had been moved to developer platform: https://wiki.linaro.org/Releases/1105/TechnicalTopics#Developer%20Platform https://blueprints.launchpad.net/ubuntu/+spec/other-linaro-n-profiling-tools
oddly, ltrace was apparently verified to work
Work was done on ltrace last cycle to *get* it working; this cycle it's on the DevPlat agenda to verify it *stays* working. :-) If there are further fixes/enhancements planned for ltrace this cycle by the toolchain WG, please coordinate those with Avik Sil (Cc:ed) who is shepherding these packages for us.
Thanks,
--
Steve Langasek Give me a lever long enough and a Free OS
Debian Developer to set it on, and I can move the world.
Ubuntu Developer http://www.debian.org/
slangasek@ubuntu.com vorlon@debian.org
> On Wed, Jan 19, 2011, Nicolas Pitre wrote:
> > On Wed, 19 Jan 2011, Loïc Minier wrote:
> >
> > > Hey
> > >
> > > I think we need to keep an eye on this and be ready to check ltrace if
> > > this gets merged
> >
> > I think ltrace is broken already and needs to be fixed regardless.
> >
> > Motivations for the removal of PTRACE_SINGLESTEP on ARM are:
> >
> > 1.) Only a subset of ARMv7 instructions are supported
> > 2.) Thumb-2 is unsupported
> > 3.) The code is not SMP safe
> >
> > As we are using ARMv7, Thumb-2 and SMP in the Linaro images, this makes
> > ltrace tripply broken.