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RE: [Patch, ARM, ping1] Fix PR target/56846


Thanks. Ccing release manager for their opinion.

Best regards,

Thomas

> -----Original Message-----
> From: Jonathan Wakely [mailto:jwakely@redhat.com]
> Sent: Wednesday, November 26, 2014 5:33 PM
> To: Thomas Preud'homme
> Cc: Tony Wang; gcc-patches@gcc.gnu.org; dan@debian.org; aph-
> gcc@littlepinkcloud.com; Richard Earnshaw; Ramana Radhakrishnan;
> libstdc++@gcc.gnu.org
> Subject: Re: [Patch, ARM, ping1] Fix PR target/56846
> 
> On 26/11/14 17:23 -0000, Thomas Preud'homme wrote:
> >Ping?
> 
> I'm OK with backporting it if a release manager approves it.
> 
> 
> >> -----Original Message-----
> >> From: gcc-patches-owner@gcc.gnu.org [mailto:gcc-patches-
> >> owner@gcc.gnu.org] On Behalf Of Thomas Preud'homme
> >> Sent: Wednesday, November 19, 2014 6:00 PM
> >> To: Tony Wang; gcc-patches@gcc.gnu.org; dan@debian.org; aph-
> >> gcc@littlepinkcloud.com; Richard Earnshaw; Ramana Radhakrishnan;
> >> libstdc++@gcc.gnu.org
> >> Subject: RE: [Patch ARM] Fix PR target/56846
> >>
> >> > From: gcc-patches-owner@gcc.gnu.org [mailto:gcc-patches-
> >> > owner@gcc.gnu.org] On Behalf Of Tony Wang
> >> >
> >>
> >> >
> >> > Hi all,
> >> >
> >> > The bug is reported at
> >> > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56846, and itâs about
> the
> >> > problem that
> >> > when exception handler is involved in the function, then
> >> > _Unwind_Backtrace function will run into deadloop on
> >> > arm target.
> >>
> >> The patch (in r215101) can be backported without any change on 4.8
> and
> >> 4.9 branches. I checked in QEMU with and without the patch on both
> >> branches and it indeed solves the problem.
> >>
> >> Testsuite run without regression when compiled with arm-none-eabi
> >> cross compiler and executed on QEMU emulating Cortex-M3.
> >>
> >> I also bootstrapped gcc on x86_64-linux-gnu and run the testsuite
> >> without
> >> regressions.
> >>
> >> Is it ok for backport?
> >>
> >> Best regards,
> >>
> >> Thomas
> >>
> >>
> >>
> >>
> >
> >
> >
> >





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