From: Rich Felker <dalias@libc.org>
To: musl@lists.openwall.com
Subject: Re: [PATCH v10] Build process uses script to add CFI directives to x86 asm
Date: Wed, 26 Aug 2015 23:47:23 -0400 [thread overview]
Message-ID: <20150827034723.GU32742@brightrain.aerifal.cx> (raw)
In-Reply-To: <CACsECNd_DVuotfZx=ebZOeJ3DfeRshqTQDVzpZGrtvKiswV0wA@mail.gmail.com>
On Thu, Aug 27, 2015 at 05:38:12AM +0200, Alex wrote:
> On Wed, Aug 26, 2015 at 10:29 PM, Rich Felker <dalias@libc.org> wrote:
> > On Fri, Jul 10, 2015 at 03:03:24PM +0200, Alex Dowad wrote:
> >> Some functions implemented in asm need to use EBP for purposes other than acting
> >> as a frame pointer. (Notably, it is used for the 6th argument to syscalls with
> >> 6 arguments.) Without frame pointers, GDB can only show backtraces if it gets
> >> CFI information from a .debug_frame or .eh_frame ELF section.
> >> [...]
> >
> > Committed, finally!
> >
> > Sorry for the long delay. I was using this locally without problem and
> > somehow forgot that I had not actually committed it despite saying I
> > would do so if no problems were found.
> >
> > The only change I made was re-folding the commit message to fit well
> > in 80 columns.
>
> So I guess a script for x86-64 is needed now?
Yes, that would be great. I'm trying to package up 1.1.11 now, so
maybe we can plan to get the x86_64 CFI committed somewhere early in
the next release cycle?
Thanks again for your work on this!
Rich
prev parent reply other threads:[~2015-08-27 3:47 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-10 13:03 Alex Dowad
2015-07-25 4:10 ` Rich Felker
2015-08-26 20:29 ` Rich Felker
2015-08-27 3:38 ` Alex
2015-08-27 3:47 ` Rich Felker [this message]
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