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From: Sean Bruno <sbruno@ignoranthack.me>
To: Peter Maydell <peter.maydell@linaro.org>
Cc: QEMU Developers <qemu-devel@nongnu.org>
Subject: Re: [Qemu-devel] [PATCH 05/10 v4] bsd-user: Implement new syscall print_sysarch and add strace support
Date: Sun, 15 Jun 2014 12:30:03 -0700	[thread overview]
Message-ID: <1402860603.2347.8.camel@bruno> (raw)
In-Reply-To: <CAFEAcA-httakRb7zK8jGHerChNHJVONnio5ga0mn1ncJmQOp3Q@mail.gmail.com>

On Sun, 2014-06-15 at 20:20 +0100, Peter Maydell wrote:
> On 15 June 2014 16:33, Sean Bruno <sbruno@ignoranthack.me> wrote:
> > I think there's some confusion between the strace support for the new
> > print_sysarch() and the existing syscall do_freebsd_sysarch().
> 
> Only because you've put parts of both in the same patch :-)
> 

Oh, I didn't say *where* the confusion was.  It is most definitely on my
side.  :-)

> > If I follow the code, the existing do_freebsd_sysarch() syscall is a
> > programtical way of figuring out what arch is running.  Whereas
> > print_sysarch() spams the arch into your strace output.
> 
> The existing do_freebsd_sysarch() is a bunch of functions in
> syscall.c, with TARGET_* ifdefs selecting which one you get.
> This patch seems to be attempting to change that to having
> the per-arch implementations in the per-arch files. That's a
> good idea, but this patch is only doing half of the job -- you
> need to remove the old implementations and wire up the new.
> Really the changes to the implementation and to the strace
> support should go in separate patches.
> 
> > Bearing that in mind, I think that the changes here are indeed correct
> > for this patchset.
> 
> I still disagree here. Look at the TARGET_I386 implementation
> of do_freebsd_sysarch() in the existing syscall.c, and at the
> new function do_freebsd_arch_sysarch() you've added in this patch in
> bsd-user/x86_64/target_arch_sysarch.h. They're basically
> identical -- this should be a code-move change, but you've
> only got the 'add new version', not the 'and remove the old'.
> 
> I think if you remove all the do_freebsd_arch_sysarch()
> functions from this patch you're left with just the strace
> support (the strace related functions all have 'print' in
> their names).
> 
> thanks
> -- PMM


Ok, more staring required.

sean

  reply	other threads:[~2014-06-15 19:30 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-06-08 16:57 [Qemu-devel] [PATCH 00/10 v4] bsd-user: update strace syscalls and breakout BSD distros Sean Bruno
2014-06-08 16:57 ` [Qemu-devel] [PATCH 01/10 v4] bsd-user: add HOST_VARIANT_DIR for various *BSD dependent code Sean Bruno
2014-06-08 16:57 ` [Qemu-devel] [PATCH 02/10 v4] bsd-user: GPL v2 attribution update and style Sean Bruno
2014-06-08 16:57 ` [Qemu-devel] [PATCH 03/10 v4] bsd-user: Implement strace support for print_sysctl syscall Sean Bruno
2014-06-08 16:57 ` [Qemu-devel] [PATCH 04/10 v4] bsd-user: Implement strace support for print_ioctl syscall Sean Bruno
2014-06-08 16:57 ` [Qemu-devel] [PATCH 05/10 v4] bsd-user: Implement new syscall print_sysarch and add strace support Sean Bruno
2014-06-10 22:53   ` Peter Maydell
2014-06-11 18:52     ` Sean Bruno
2014-06-15 15:33     ` Sean Bruno
2014-06-15 19:20       ` Peter Maydell
2014-06-15 19:30         ` Sean Bruno [this message]
2014-06-08 16:57 ` [Qemu-devel] [PATCH 06/10 v4] bsd-user: Implement strace support for __acl_* syscalls Sean Bruno
2014-06-08 16:57 ` [Qemu-devel] [PATCH 07/10 v4] bsd-user: Implement strace support for extattr_* syscalls Sean Bruno
2014-06-08 16:57 ` [Qemu-devel] [PATCH 08/10 v4] bsd-user: Implement strace support for thr_* syscalls Sean Bruno
2014-06-08 16:57 ` [Qemu-devel] [PATCH 09/10 v4] bsd-user: Fix syscall format, add strace support for more syscalls Sean Bruno
2014-06-08 16:57 ` [Qemu-devel] [PATCH 10/10 v4] bsd-user: Add TARGET_HW_MACHINE TARGET_HW_MACHINE_ARCH for future use Sean Bruno
2014-06-10 23:00   ` Peter Maydell
2014-06-10 23:29 ` [Qemu-devel] [PATCH 00/10 v4] bsd-user: update strace syscalls and breakout BSD distros Peter Maydell

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