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Date: Thu, 09 Aug 2012 16:00:00 -0000
From: Eli Zaretskii <eliz@gnu.org>
Subject: Re: Hardware breakpoint limitation issue during the gdb regression test
In-reply-to: <20120809104209.GA25622@host2.jankratochvil.net>
To: Jan Kratochvil <jan.kratochvil@redhat.com>
Cc: mark.kettenis@xs4all.nl, flameroc@gmail.com, yao@codesourcery.com, gdb@sourceware.org
Reply-to: Eli Zaretskii <eliz@gnu.org>
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References: <CAGbRaL4uR0MZJHwre7j16ybiEViO5ChRp8QXa4HTEDz9ikiT2A@mail.gmail.com> <2908402.0pCVQUbaGe@qiyao.dyndns.org> <CAGbRaL6+XrKRUV_wcrjwGXkV2uk=Oyfmj8khaHYf=u-mQzz8VQ@mail.gmail.com> <201208091030.q79AURkU017337@glazunov.sibelius.xs4all.nl> <20120809104209.GA25622@host2.jankratochvil.net>
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> 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.