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Re: [RFA] enable software single step on alpha-osf
On Tue, Aug 20, 2002 at 08:29:18PM -0400, Andrew Cagney wrote:
> >>Here is a patch to update the NEWS file,
> >>as suggested by Eli. I'm not very good at wording, so any suggestion for
> >>improvement is more than welcome.
> >>
> >>2002-08-17 Joel Brobecker <brobecker@gnat.com>
> >>
> >> * NEWS: Add an entry regarding the improvement of the next/step
> >> operation on Alpha Tru64 multi-processor machines.
> >
> >
> >I am just realizing that I was probably not very clear... I am asking
> >for approval before I check this change in, in case the wording, or
> >maybe the way I organized this item in the NEWS file can be improved.
>
> No one maintains the NEWS file. If you get no comments after a few
> days, it's likely probably ok.
>
> Andrew
>
>
> >>Index: NEWS
> >>===================================================================
> >>RCS file: /cvs/src/src/gdb/NEWS,v
> >>retrieving revision 1.86
> >>diff -c -3 -r1.86 NEWS
> >>*** NEWS 15 Aug 2002 22:51:40 -0000 1.86
> >>--- NEWS 17 Aug 2002 06:22:04 -0000
> >>***************
> >>*** 91,96 ****
> >>--- 91,102 ----
> >> to a bfd-format or binary file (dump and append), and back
> >> from a file into memory (restore).
> >>
> >>+ * Improved "next/step" support on multi-processor Alpha Tru64.
> >>+
> >>+ On multi-processor Alpha Tru64, next/step operations sometimes used to
> >>+ cause problems, such as the random apperance of SIGSEGV or SIGTRAP
> >>+ signals for instance.
> >>+
If I may suggest...
* Improved "next/step" support on multi-processor Alpha Tru64.
The previous single-step mechanism could cause unpredictable problems,
including the random appearance of SIGSEGV or SIGTRAP signals. The use
of a software single-step mechanism prevents this.
--
Daniel Jacobowitz
MontaVista Software Debian GNU/Linux Developer