Hardware breakpoint limitation issue during the gdb regression test

[Eli Zaretskii]

> Date: Thu, 9 Aug 2012 12:42:09 +0200
> From: Jan Kratochvil <jan.kratochvil@redhat.com>
> Cc: flameroc@gmail.com, yao@codesourcery.com, gdb@sourceware.org
> 
> On Thu, 09 Aug 2012 12:30:27 +0200, Mark Kettenis wrote:
> > No, x86 has even less hardware breakpoints (4).  But it will fall back
> > to using software breakpoints.
> 
> It will not.

Right, it cannot do that, because whether a hardware break/watchpoint
can or cannot be inserted is only known when we resume the debuggee.