[rfc, gdbserver] Support hardware watchpoints on ARM

[Ulrich Weigand]

Pedro Alves wrote:
> On Wednesday 21 September 2011 14:57:15, Ulrich Weigand wrote:
> > Well, since this is global system property that is actually only
> > queried once and then returned from a cache, adding a LWP argument
> > would appear to be somewhat misleading ...
> 
> We can always just document what the argument means :-)  In this
> case, it'd serve as currently stopped LWP to run ptrace on in case
> the cache is not set yet.

That still seems odd to me :-)  I'd rather make the caching explicit,
e.g. by retrieving the information once in arm_arch_setup and then
just always using it.

Bye,
Ulrich

-- 
  Dr. Ulrich Weigand
  GNU Toolchain for Linux on System z and Cell BE
  Ulrich.Weigand@de.ibm.com